1 /*
2 * MIPS emulation for QEMU - main translation routines
3 *
4 * Copyright (c) 2004-2005 Jocelyn Mayer
5 * Copyright (c) 2006 Marius Groeger (FPU operations)
6 * Copyright (c) 2006 Thiemo Seufer (MIPS32R2 support)
7 * Copyright (c) 2009 CodeSourcery (MIPS16 and microMIPS support)
8 * Copyright (c) 2012 Jia Liu & Dongxue Zhang (MIPS ASE DSP support)
9 * Copyright (c) 2020 Philippe Mathieu-Daudé
10 *
11 * This library is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU Lesser General Public
13 * License as published by the Free Software Foundation; either
14 * version 2.1 of the License, or (at your option) any later version.
15 *
16 * This library is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 * Lesser General Public License for more details.
20 *
21 * You should have received a copy of the GNU Lesser General Public
22 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
23 */
24
25 #include "qemu/osdep.h"
26 #include "translate.h"
27 #include "internal.h"
28 #include "exec/helper-proto.h"
29 #include "exec/translation-block.h"
30 #include "semihosting/semihost.h"
31 #include "trace.h"
32 #include "fpu_helper.h"
33
34 #define HELPER_H "helper.h"
35 #include "exec/helper-info.c.inc"
36 #undef HELPER_H
37
38
39 /*
40 * Many sysemu-only helpers are not reachable for user-only.
41 * Define stub generators here, so that we need not either sprinkle
42 * ifdefs through the translator, nor provide the helper function.
43 */
44 #define STUB_HELPER(NAME, ...) \
45 static inline void gen_helper_##NAME(__VA_ARGS__) \
46 { g_assert_not_reached(); }
47
48 #ifdef CONFIG_USER_ONLY
49 STUB_HELPER(cache, TCGv_env env, TCGv val, TCGv_i32 reg)
50 #endif
51
52 enum {
53 /* indirect opcode tables */
54 OPC_SPECIAL = (0x00 << 26),
55 OPC_REGIMM = (0x01 << 26),
56 OPC_CP0 = (0x10 << 26),
57 OPC_CP2 = (0x12 << 26),
58 OPC_CP3 = (0x13 << 26),
59 OPC_SPECIAL2 = (0x1C << 26),
60 OPC_SPECIAL3 = (0x1F << 26),
61 /* arithmetic with immediate */
62 OPC_ADDI = (0x08 << 26),
63 OPC_ADDIU = (0x09 << 26),
64 OPC_SLTI = (0x0A << 26),
65 OPC_SLTIU = (0x0B << 26),
66 /* logic with immediate */
67 OPC_ANDI = (0x0C << 26),
68 OPC_ORI = (0x0D << 26),
69 OPC_XORI = (0x0E << 26),
70 OPC_LUI = (0x0F << 26),
71 /* arithmetic with immediate */
72 OPC_DADDI = (0x18 << 26),
73 OPC_DADDIU = (0x19 << 26),
74 /* Jump and branches */
75 OPC_J = (0x02 << 26),
76 OPC_JAL = (0x03 << 26),
77 OPC_BEQ = (0x04 << 26), /* Unconditional if rs = rt = 0 (B) */
78 OPC_BEQL = (0x14 << 26),
79 OPC_BNE = (0x05 << 26),
80 OPC_BNEL = (0x15 << 26),
81 OPC_BLEZ = (0x06 << 26),
82 OPC_BLEZL = (0x16 << 26),
83 OPC_BGTZ = (0x07 << 26),
84 OPC_BGTZL = (0x17 << 26),
85 OPC_JALX = (0x1D << 26),
86 OPC_DAUI = (0x1D << 26),
87 /* Load and stores */
88 OPC_LDL = (0x1A << 26),
89 OPC_LDR = (0x1B << 26),
90 OPC_LB = (0x20 << 26),
91 OPC_LH = (0x21 << 26),
92 OPC_LWL = (0x22 << 26),
93 OPC_LW = (0x23 << 26),
94 OPC_LWPC = OPC_LW | 0x5,
95 OPC_LBU = (0x24 << 26),
96 OPC_LHU = (0x25 << 26),
97 OPC_LWR = (0x26 << 26),
98 OPC_LWU = (0x27 << 26),
99 OPC_SB = (0x28 << 26),
100 OPC_SH = (0x29 << 26),
101 OPC_SWL = (0x2A << 26),
102 OPC_SW = (0x2B << 26),
103 OPC_SDL = (0x2C << 26),
104 OPC_SDR = (0x2D << 26),
105 OPC_SWR = (0x2E << 26),
106 OPC_LL = (0x30 << 26),
107 OPC_LLD = (0x34 << 26),
108 OPC_LD = (0x37 << 26),
109 OPC_LDPC = OPC_LD | 0x5,
110 OPC_SC = (0x38 << 26),
111 OPC_SCD = (0x3C << 26),
112 OPC_SD = (0x3F << 26),
113 /* Floating point load/store */
114 OPC_LWC1 = (0x31 << 26),
115 OPC_LWC2 = (0x32 << 26),
116 OPC_LDC1 = (0x35 << 26),
117 OPC_LDC2 = (0x36 << 26),
118 OPC_SWC1 = (0x39 << 26),
119 OPC_SWC2 = (0x3A << 26),
120 OPC_SDC1 = (0x3D << 26),
121 OPC_SDC2 = (0x3E << 26),
122 /* Compact Branches */
123 OPC_BLEZALC = (0x06 << 26),
124 OPC_BGEZALC = (0x06 << 26),
125 OPC_BGEUC = (0x06 << 26),
126 OPC_BGTZALC = (0x07 << 26),
127 OPC_BLTZALC = (0x07 << 26),
128 OPC_BLTUC = (0x07 << 26),
129 OPC_BOVC = (0x08 << 26),
130 OPC_BEQZALC = (0x08 << 26),
131 OPC_BEQC = (0x08 << 26),
132 OPC_BLEZC = (0x16 << 26),
133 OPC_BGEZC = (0x16 << 26),
134 OPC_BGEC = (0x16 << 26),
135 OPC_BGTZC = (0x17 << 26),
136 OPC_BLTZC = (0x17 << 26),
137 OPC_BLTC = (0x17 << 26),
138 OPC_BNVC = (0x18 << 26),
139 OPC_BNEZALC = (0x18 << 26),
140 OPC_BNEC = (0x18 << 26),
141 OPC_BC = (0x32 << 26),
142 OPC_BEQZC = (0x36 << 26),
143 OPC_JIC = (0x36 << 26),
144 OPC_BALC = (0x3A << 26),
145 OPC_BNEZC = (0x3E << 26),
146 OPC_JIALC = (0x3E << 26),
147 /* MDMX ASE specific */
148 OPC_MDMX = (0x1E << 26),
149 /* Cache and prefetch */
150 OPC_CACHE = (0x2F << 26),
151 OPC_PREF = (0x33 << 26),
152 /* PC-relative address computation / loads */
153 OPC_PCREL = (0x3B << 26),
154 };
155
156 /* PC-relative address computation / loads */
157 #define MASK_OPC_PCREL_TOP2BITS(op) (MASK_OP_MAJOR(op) | (op & (3 << 19)))
158 #define MASK_OPC_PCREL_TOP5BITS(op) (MASK_OP_MAJOR(op) | (op & (0x1f << 16)))
159 enum {
160 /* Instructions determined by bits 19 and 20 */
161 OPC_ADDIUPC = OPC_PCREL | (0 << 19),
162 R6_OPC_LWPC = OPC_PCREL | (1 << 19),
163 OPC_LWUPC = OPC_PCREL | (2 << 19),
164
165 /* Instructions determined by bits 16 ... 20 */
166 OPC_AUIPC = OPC_PCREL | (0x1e << 16),
167 OPC_ALUIPC = OPC_PCREL | (0x1f << 16),
168
169 /* Other */
170 R6_OPC_LDPC = OPC_PCREL | (6 << 18),
171 };
172
173 /* MIPS special opcodes */
174 #define MASK_SPECIAL(op) (MASK_OP_MAJOR(op) | (op & 0x3F))
175
176 enum {
177 /* Shifts */
178 OPC_SLL = 0x00 | OPC_SPECIAL,
179 /* NOP is SLL r0, r0, 0 */
180 /* SSNOP is SLL r0, r0, 1 */
181 /* EHB is SLL r0, r0, 3 */
182 OPC_SRL = 0x02 | OPC_SPECIAL, /* also ROTR */
183 OPC_ROTR = OPC_SRL | (1 << 21),
184 OPC_SRA = 0x03 | OPC_SPECIAL,
185 OPC_SLLV = 0x04 | OPC_SPECIAL,
186 OPC_SRLV = 0x06 | OPC_SPECIAL, /* also ROTRV */
187 OPC_ROTRV = OPC_SRLV | (1 << 6),
188 OPC_SRAV = 0x07 | OPC_SPECIAL,
189 OPC_DSLLV = 0x14 | OPC_SPECIAL,
190 OPC_DSRLV = 0x16 | OPC_SPECIAL, /* also DROTRV */
191 OPC_DROTRV = OPC_DSRLV | (1 << 6),
192 OPC_DSRAV = 0x17 | OPC_SPECIAL,
193 OPC_DSLL = 0x38 | OPC_SPECIAL,
194 OPC_DSRL = 0x3A | OPC_SPECIAL, /* also DROTR */
195 OPC_DROTR = OPC_DSRL | (1 << 21),
196 OPC_DSRA = 0x3B | OPC_SPECIAL,
197 OPC_DSLL32 = 0x3C | OPC_SPECIAL,
198 OPC_DSRL32 = 0x3E | OPC_SPECIAL, /* also DROTR32 */
199 OPC_DROTR32 = OPC_DSRL32 | (1 << 21),
200 OPC_DSRA32 = 0x3F | OPC_SPECIAL,
201 /* Multiplication / division */
202 OPC_MULT = 0x18 | OPC_SPECIAL,
203 OPC_MULTU = 0x19 | OPC_SPECIAL,
204 OPC_DIV = 0x1A | OPC_SPECIAL,
205 OPC_DIVU = 0x1B | OPC_SPECIAL,
206 OPC_DMULT = 0x1C | OPC_SPECIAL,
207 OPC_DMULTU = 0x1D | OPC_SPECIAL,
208 OPC_DDIV = 0x1E | OPC_SPECIAL,
209 OPC_DDIVU = 0x1F | OPC_SPECIAL,
210
211 /* 2 registers arithmetic / logic */
212 OPC_ADD = 0x20 | OPC_SPECIAL,
213 OPC_ADDU = 0x21 | OPC_SPECIAL,
214 OPC_SUB = 0x22 | OPC_SPECIAL,
215 OPC_SUBU = 0x23 | OPC_SPECIAL,
216 OPC_AND = 0x24 | OPC_SPECIAL,
217 OPC_OR = 0x25 | OPC_SPECIAL,
218 OPC_XOR = 0x26 | OPC_SPECIAL,
219 OPC_NOR = 0x27 | OPC_SPECIAL,
220 OPC_SLT = 0x2A | OPC_SPECIAL,
221 OPC_SLTU = 0x2B | OPC_SPECIAL,
222 OPC_DADD = 0x2C | OPC_SPECIAL,
223 OPC_DADDU = 0x2D | OPC_SPECIAL,
224 OPC_DSUB = 0x2E | OPC_SPECIAL,
225 OPC_DSUBU = 0x2F | OPC_SPECIAL,
226 /* Jumps */
227 OPC_JR = 0x08 | OPC_SPECIAL, /* Also JR.HB */
228 OPC_JALR = 0x09 | OPC_SPECIAL, /* Also JALR.HB */
229 /* Traps */
230 OPC_TGE = 0x30 | OPC_SPECIAL,
231 OPC_TGEU = 0x31 | OPC_SPECIAL,
232 OPC_TLT = 0x32 | OPC_SPECIAL,
233 OPC_TLTU = 0x33 | OPC_SPECIAL,
234 OPC_TEQ = 0x34 | OPC_SPECIAL,
235 OPC_TNE = 0x36 | OPC_SPECIAL,
236 /* HI / LO registers load & stores */
237 OPC_MFHI = 0x10 | OPC_SPECIAL,
238 OPC_MTHI = 0x11 | OPC_SPECIAL,
239 OPC_MFLO = 0x12 | OPC_SPECIAL,
240 OPC_MTLO = 0x13 | OPC_SPECIAL,
241 /* Conditional moves */
242 OPC_MOVZ = 0x0A | OPC_SPECIAL,
243 OPC_MOVN = 0x0B | OPC_SPECIAL,
244
245 OPC_SELEQZ = 0x35 | OPC_SPECIAL,
246 OPC_SELNEZ = 0x37 | OPC_SPECIAL,
247
248 OPC_MOVCI = 0x01 | OPC_SPECIAL,
249
250 /* Special */
251 OPC_PMON = 0x05 | OPC_SPECIAL, /* unofficial */
252 OPC_SYSCALL = 0x0C | OPC_SPECIAL,
253 OPC_BREAK = 0x0D | OPC_SPECIAL,
254 OPC_SPIM = 0x0E | OPC_SPECIAL, /* unofficial */
255 OPC_SYNC = 0x0F | OPC_SPECIAL,
256
257 OPC_SPECIAL28_RESERVED = 0x28 | OPC_SPECIAL,
258 OPC_SPECIAL29_RESERVED = 0x29 | OPC_SPECIAL,
259 OPC_SPECIAL39_RESERVED = 0x39 | OPC_SPECIAL,
260 OPC_SPECIAL3D_RESERVED = 0x3D | OPC_SPECIAL,
261 };
262
263 /*
264 * R6 Multiply and Divide instructions have the same opcode
265 * and function field as legacy OPC_MULT[U]/OPC_DIV[U]
266 */
267 #define MASK_R6_MULDIV(op) (MASK_SPECIAL(op) | (op & (0x7ff)))
268
269 enum {
270 R6_OPC_MUL = OPC_MULT | (2 << 6),
271 R6_OPC_MUH = OPC_MULT | (3 << 6),
272 R6_OPC_MULU = OPC_MULTU | (2 << 6),
273 R6_OPC_MUHU = OPC_MULTU | (3 << 6),
274 R6_OPC_DIV = OPC_DIV | (2 << 6),
275 R6_OPC_MOD = OPC_DIV | (3 << 6),
276 R6_OPC_DIVU = OPC_DIVU | (2 << 6),
277 R6_OPC_MODU = OPC_DIVU | (3 << 6),
278
279 R6_OPC_DMUL = OPC_DMULT | (2 << 6),
280 R6_OPC_DMUH = OPC_DMULT | (3 << 6),
281 R6_OPC_DMULU = OPC_DMULTU | (2 << 6),
282 R6_OPC_DMUHU = OPC_DMULTU | (3 << 6),
283 R6_OPC_DDIV = OPC_DDIV | (2 << 6),
284 R6_OPC_DMOD = OPC_DDIV | (3 << 6),
285 R6_OPC_DDIVU = OPC_DDIVU | (2 << 6),
286 R6_OPC_DMODU = OPC_DDIVU | (3 << 6),
287
288 R6_OPC_CLZ = 0x10 | OPC_SPECIAL,
289 R6_OPC_CLO = 0x11 | OPC_SPECIAL,
290 R6_OPC_DCLZ = 0x12 | OPC_SPECIAL,
291 R6_OPC_DCLO = 0x13 | OPC_SPECIAL,
292 R6_OPC_SDBBP = 0x0e | OPC_SPECIAL,
293 };
294
295 /* REGIMM (rt field) opcodes */
296 #define MASK_REGIMM(op) (MASK_OP_MAJOR(op) | (op & (0x1F << 16)))
297
298 enum {
299 OPC_BLTZ = (0x00 << 16) | OPC_REGIMM,
300 OPC_BLTZL = (0x02 << 16) | OPC_REGIMM,
301 OPC_BGEZ = (0x01 << 16) | OPC_REGIMM,
302 OPC_BGEZL = (0x03 << 16) | OPC_REGIMM,
303 OPC_BLTZAL = (0x10 << 16) | OPC_REGIMM,
304 OPC_BLTZALL = (0x12 << 16) | OPC_REGIMM,
305 OPC_BGEZAL = (0x11 << 16) | OPC_REGIMM,
306 OPC_BGEZALL = (0x13 << 16) | OPC_REGIMM,
307 OPC_TGEI = (0x08 << 16) | OPC_REGIMM,
308 OPC_TGEIU = (0x09 << 16) | OPC_REGIMM,
309 OPC_TLTI = (0x0A << 16) | OPC_REGIMM,
310 OPC_TLTIU = (0x0B << 16) | OPC_REGIMM,
311 OPC_TEQI = (0x0C << 16) | OPC_REGIMM,
312 OPC_TNEI = (0x0E << 16) | OPC_REGIMM,
313 OPC_SIGRIE = (0x17 << 16) | OPC_REGIMM,
314 OPC_SYNCI = (0x1F << 16) | OPC_REGIMM,
315
316 OPC_DAHI = (0x06 << 16) | OPC_REGIMM,
317 OPC_DATI = (0x1e << 16) | OPC_REGIMM,
318 };
319
320 /* Special2 opcodes */
321 #define MASK_SPECIAL2(op) (MASK_OP_MAJOR(op) | (op & 0x3F))
322
323 enum {
324 /* Multiply & xxx operations */
325 OPC_MADD = 0x00 | OPC_SPECIAL2,
326 OPC_MADDU = 0x01 | OPC_SPECIAL2,
327 OPC_MUL = 0x02 | OPC_SPECIAL2,
328 OPC_MSUB = 0x04 | OPC_SPECIAL2,
329 OPC_MSUBU = 0x05 | OPC_SPECIAL2,
330 /* Loongson 2F */
331 OPC_MULT_G_2F = 0x10 | OPC_SPECIAL2,
332 OPC_DMULT_G_2F = 0x11 | OPC_SPECIAL2,
333 OPC_MULTU_G_2F = 0x12 | OPC_SPECIAL2,
334 OPC_DMULTU_G_2F = 0x13 | OPC_SPECIAL2,
335 OPC_DIV_G_2F = 0x14 | OPC_SPECIAL2,
336 OPC_DDIV_G_2F = 0x15 | OPC_SPECIAL2,
337 OPC_DIVU_G_2F = 0x16 | OPC_SPECIAL2,
338 OPC_DDIVU_G_2F = 0x17 | OPC_SPECIAL2,
339 OPC_MOD_G_2F = 0x1c | OPC_SPECIAL2,
340 OPC_DMOD_G_2F = 0x1d | OPC_SPECIAL2,
341 OPC_MODU_G_2F = 0x1e | OPC_SPECIAL2,
342 OPC_DMODU_G_2F = 0x1f | OPC_SPECIAL2,
343 /* Misc */
344 OPC_CLZ = 0x20 | OPC_SPECIAL2,
345 OPC_CLO = 0x21 | OPC_SPECIAL2,
346 OPC_DCLZ = 0x24 | OPC_SPECIAL2,
347 OPC_DCLO = 0x25 | OPC_SPECIAL2,
348 /* Special */
349 OPC_SDBBP = 0x3F | OPC_SPECIAL2,
350 };
351
352 /* Special3 opcodes */
353 #define MASK_SPECIAL3(op) (MASK_OP_MAJOR(op) | (op & 0x3F))
354
355 enum {
356 OPC_EXT = 0x00 | OPC_SPECIAL3,
357 OPC_DEXTM = 0x01 | OPC_SPECIAL3,
358 OPC_DEXTU = 0x02 | OPC_SPECIAL3,
359 OPC_DEXT = 0x03 | OPC_SPECIAL3,
360 OPC_INS = 0x04 | OPC_SPECIAL3,
361 OPC_DINSM = 0x05 | OPC_SPECIAL3,
362 OPC_DINSU = 0x06 | OPC_SPECIAL3,
363 OPC_DINS = 0x07 | OPC_SPECIAL3,
364 OPC_FORK = 0x08 | OPC_SPECIAL3,
365 OPC_YIELD = 0x09 | OPC_SPECIAL3,
366 OPC_BSHFL = 0x20 | OPC_SPECIAL3,
367 OPC_DBSHFL = 0x24 | OPC_SPECIAL3,
368 OPC_RDHWR = 0x3B | OPC_SPECIAL3,
369 OPC_GINV = 0x3D | OPC_SPECIAL3,
370
371 /* Loongson 2E */
372 OPC_MULT_G_2E = 0x18 | OPC_SPECIAL3,
373 OPC_MULTU_G_2E = 0x19 | OPC_SPECIAL3,
374 OPC_DIV_G_2E = 0x1A | OPC_SPECIAL3,
375 OPC_DIVU_G_2E = 0x1B | OPC_SPECIAL3,
376 OPC_DMULT_G_2E = 0x1C | OPC_SPECIAL3,
377 OPC_DMULTU_G_2E = 0x1D | OPC_SPECIAL3,
378 OPC_DDIV_G_2E = 0x1E | OPC_SPECIAL3,
379 OPC_DDIVU_G_2E = 0x1F | OPC_SPECIAL3,
380 OPC_MOD_G_2E = 0x22 | OPC_SPECIAL3,
381 OPC_MODU_G_2E = 0x23 | OPC_SPECIAL3,
382 OPC_DMOD_G_2E = 0x26 | OPC_SPECIAL3,
383 OPC_DMODU_G_2E = 0x27 | OPC_SPECIAL3,
384
385 /* MIPS DSP Load */
386 OPC_LX_DSP = 0x0A | OPC_SPECIAL3,
387 /* MIPS DSP Arithmetic */
388 OPC_ADDU_QB_DSP = 0x10 | OPC_SPECIAL3,
389 OPC_ADDU_OB_DSP = 0x14 | OPC_SPECIAL3,
390 OPC_ABSQ_S_PH_DSP = 0x12 | OPC_SPECIAL3,
391 OPC_ABSQ_S_QH_DSP = 0x16 | OPC_SPECIAL3,
392 /* OPC_ADDUH_QB_DSP is same as OPC_MULT_G_2E. */
393 /* OPC_ADDUH_QB_DSP = 0x18 | OPC_SPECIAL3, */
394 OPC_CMPU_EQ_QB_DSP = 0x11 | OPC_SPECIAL3,
395 OPC_CMPU_EQ_OB_DSP = 0x15 | OPC_SPECIAL3,
396 /* MIPS DSP GPR-Based Shift Sub-class */
397 OPC_SHLL_QB_DSP = 0x13 | OPC_SPECIAL3,
398 OPC_SHLL_OB_DSP = 0x17 | OPC_SPECIAL3,
399 /* MIPS DSP Multiply Sub-class insns */
400 /* OPC_MUL_PH_DSP is same as OPC_ADDUH_QB_DSP. */
401 /* OPC_MUL_PH_DSP = 0x18 | OPC_SPECIAL3, */
402 OPC_DPA_W_PH_DSP = 0x30 | OPC_SPECIAL3,
403 OPC_DPAQ_W_QH_DSP = 0x34 | OPC_SPECIAL3,
404 /* DSP Bit/Manipulation Sub-class */
405 OPC_INSV_DSP = 0x0C | OPC_SPECIAL3,
406 OPC_DINSV_DSP = 0x0D | OPC_SPECIAL3,
407 /* MIPS DSP Append Sub-class */
408 OPC_APPEND_DSP = 0x31 | OPC_SPECIAL3,
409 OPC_DAPPEND_DSP = 0x35 | OPC_SPECIAL3,
410 /* MIPS DSP Accumulator and DSPControl Access Sub-class */
411 OPC_EXTR_W_DSP = 0x38 | OPC_SPECIAL3,
412 OPC_DEXTR_W_DSP = 0x3C | OPC_SPECIAL3,
413
414 /* EVA */
415 OPC_LWLE = 0x19 | OPC_SPECIAL3,
416 OPC_LWRE = 0x1A | OPC_SPECIAL3,
417 OPC_CACHEE = 0x1B | OPC_SPECIAL3,
418 OPC_SBE = 0x1C | OPC_SPECIAL3,
419 OPC_SHE = 0x1D | OPC_SPECIAL3,
420 OPC_SCE = 0x1E | OPC_SPECIAL3,
421 OPC_SWE = 0x1F | OPC_SPECIAL3,
422 OPC_SWLE = 0x21 | OPC_SPECIAL3,
423 OPC_SWRE = 0x22 | OPC_SPECIAL3,
424 OPC_PREFE = 0x23 | OPC_SPECIAL3,
425 OPC_LBUE = 0x28 | OPC_SPECIAL3,
426 OPC_LHUE = 0x29 | OPC_SPECIAL3,
427 OPC_LBE = 0x2C | OPC_SPECIAL3,
428 OPC_LHE = 0x2D | OPC_SPECIAL3,
429 OPC_LLE = 0x2E | OPC_SPECIAL3,
430 OPC_LWE = 0x2F | OPC_SPECIAL3,
431
432 /* R6 */
433 R6_OPC_PREF = 0x35 | OPC_SPECIAL3,
434 R6_OPC_CACHE = 0x25 | OPC_SPECIAL3,
435 R6_OPC_LL = 0x36 | OPC_SPECIAL3,
436 R6_OPC_SC = 0x26 | OPC_SPECIAL3,
437 R6_OPC_LLD = 0x37 | OPC_SPECIAL3,
438 R6_OPC_SCD = 0x27 | OPC_SPECIAL3,
439 };
440
441 /* Loongson EXT load/store quad word opcodes */
442 #define MASK_LOONGSON_GSLSQ(op) (MASK_OP_MAJOR(op) | (op & 0x8020))
443 enum {
444 OPC_GSLQ = 0x0020 | OPC_LWC2,
445 OPC_GSLQC1 = 0x8020 | OPC_LWC2,
446 OPC_GSSHFL = OPC_LWC2,
447 OPC_GSSQ = 0x0020 | OPC_SWC2,
448 OPC_GSSQC1 = 0x8020 | OPC_SWC2,
449 OPC_GSSHFS = OPC_SWC2,
450 };
451
452 /* Loongson EXT shifted load/store opcodes */
453 #define MASK_LOONGSON_GSSHFLS(op) (MASK_OP_MAJOR(op) | (op & 0xc03f))
454 enum {
455 OPC_GSLWLC1 = 0x4 | OPC_GSSHFL,
456 OPC_GSLWRC1 = 0x5 | OPC_GSSHFL,
457 OPC_GSLDLC1 = 0x6 | OPC_GSSHFL,
458 OPC_GSLDRC1 = 0x7 | OPC_GSSHFL,
459 OPC_GSSWLC1 = 0x4 | OPC_GSSHFS,
460 OPC_GSSWRC1 = 0x5 | OPC_GSSHFS,
461 OPC_GSSDLC1 = 0x6 | OPC_GSSHFS,
462 OPC_GSSDRC1 = 0x7 | OPC_GSSHFS,
463 };
464
465 /* Loongson EXT LDC2/SDC2 opcodes */
466 #define MASK_LOONGSON_LSDC2(op) (MASK_OP_MAJOR(op) | (op & 0x7))
467
468 enum {
469 OPC_GSLBX = 0x0 | OPC_LDC2,
470 OPC_GSLHX = 0x1 | OPC_LDC2,
471 OPC_GSLWX = 0x2 | OPC_LDC2,
472 OPC_GSLDX = 0x3 | OPC_LDC2,
473 OPC_GSLWXC1 = 0x6 | OPC_LDC2,
474 OPC_GSLDXC1 = 0x7 | OPC_LDC2,
475 OPC_GSSBX = 0x0 | OPC_SDC2,
476 OPC_GSSHX = 0x1 | OPC_SDC2,
477 OPC_GSSWX = 0x2 | OPC_SDC2,
478 OPC_GSSDX = 0x3 | OPC_SDC2,
479 OPC_GSSWXC1 = 0x6 | OPC_SDC2,
480 OPC_GSSDXC1 = 0x7 | OPC_SDC2,
481 };
482
483 /* BSHFL opcodes */
484 #define MASK_BSHFL(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
485
486 enum {
487 OPC_WSBH = (0x02 << 6) | OPC_BSHFL,
488 OPC_SEB = (0x10 << 6) | OPC_BSHFL,
489 OPC_SEH = (0x18 << 6) | OPC_BSHFL,
490 OPC_ALIGN = (0x08 << 6) | OPC_BSHFL, /* 010.bp (010.00 to 010.11) */
491 OPC_ALIGN_1 = (0x09 << 6) | OPC_BSHFL,
492 OPC_ALIGN_2 = (0x0A << 6) | OPC_BSHFL,
493 OPC_ALIGN_3 = (0x0B << 6) | OPC_BSHFL,
494 OPC_BITSWAP = (0x00 << 6) | OPC_BSHFL /* 00000 */
495 };
496
497 /* DBSHFL opcodes */
498 #define MASK_DBSHFL(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
499
500 enum {
501 OPC_DSBH = (0x02 << 6) | OPC_DBSHFL,
502 OPC_DSHD = (0x05 << 6) | OPC_DBSHFL,
503 OPC_DALIGN = (0x08 << 6) | OPC_DBSHFL, /* 01.bp (01.000 to 01.111) */
504 OPC_DALIGN_1 = (0x09 << 6) | OPC_DBSHFL,
505 OPC_DALIGN_2 = (0x0A << 6) | OPC_DBSHFL,
506 OPC_DALIGN_3 = (0x0B << 6) | OPC_DBSHFL,
507 OPC_DALIGN_4 = (0x0C << 6) | OPC_DBSHFL,
508 OPC_DALIGN_5 = (0x0D << 6) | OPC_DBSHFL,
509 OPC_DALIGN_6 = (0x0E << 6) | OPC_DBSHFL,
510 OPC_DALIGN_7 = (0x0F << 6) | OPC_DBSHFL,
511 OPC_DBITSWAP = (0x00 << 6) | OPC_DBSHFL, /* 00000 */
512 };
513
514 /* MIPS DSP REGIMM opcodes */
515 enum {
516 OPC_BPOSGE32 = (0x1C << 16) | OPC_REGIMM,
517 OPC_BPOSGE64 = (0x1D << 16) | OPC_REGIMM,
518 };
519
520 #define MASK_LX(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
521 /* MIPS DSP Load */
522 enum {
523 OPC_LBUX = (0x06 << 6) | OPC_LX_DSP,
524 OPC_LHX = (0x04 << 6) | OPC_LX_DSP,
525 OPC_LWX = (0x00 << 6) | OPC_LX_DSP,
526 OPC_LDX = (0x08 << 6) | OPC_LX_DSP,
527 };
528
529 #define MASK_ADDU_QB(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
530 enum {
531 /* MIPS DSP Arithmetic Sub-class */
532 OPC_ADDQ_PH = (0x0A << 6) | OPC_ADDU_QB_DSP,
533 OPC_ADDQ_S_PH = (0x0E << 6) | OPC_ADDU_QB_DSP,
534 OPC_ADDQ_S_W = (0x16 << 6) | OPC_ADDU_QB_DSP,
535 OPC_ADDU_QB = (0x00 << 6) | OPC_ADDU_QB_DSP,
536 OPC_ADDU_S_QB = (0x04 << 6) | OPC_ADDU_QB_DSP,
537 OPC_ADDU_PH = (0x08 << 6) | OPC_ADDU_QB_DSP,
538 OPC_ADDU_S_PH = (0x0C << 6) | OPC_ADDU_QB_DSP,
539 OPC_SUBQ_PH = (0x0B << 6) | OPC_ADDU_QB_DSP,
540 OPC_SUBQ_S_PH = (0x0F << 6) | OPC_ADDU_QB_DSP,
541 OPC_SUBQ_S_W = (0x17 << 6) | OPC_ADDU_QB_DSP,
542 OPC_SUBU_QB = (0x01 << 6) | OPC_ADDU_QB_DSP,
543 OPC_SUBU_S_QB = (0x05 << 6) | OPC_ADDU_QB_DSP,
544 OPC_SUBU_PH = (0x09 << 6) | OPC_ADDU_QB_DSP,
545 OPC_SUBU_S_PH = (0x0D << 6) | OPC_ADDU_QB_DSP,
546 OPC_ADDSC = (0x10 << 6) | OPC_ADDU_QB_DSP,
547 OPC_ADDWC = (0x11 << 6) | OPC_ADDU_QB_DSP,
548 OPC_MODSUB = (0x12 << 6) | OPC_ADDU_QB_DSP,
549 OPC_RADDU_W_QB = (0x14 << 6) | OPC_ADDU_QB_DSP,
550 /* MIPS DSP Multiply Sub-class insns */
551 OPC_MULEU_S_PH_QBL = (0x06 << 6) | OPC_ADDU_QB_DSP,
552 OPC_MULEU_S_PH_QBR = (0x07 << 6) | OPC_ADDU_QB_DSP,
553 OPC_MULQ_RS_PH = (0x1F << 6) | OPC_ADDU_QB_DSP,
554 OPC_MULEQ_S_W_PHL = (0x1C << 6) | OPC_ADDU_QB_DSP,
555 OPC_MULEQ_S_W_PHR = (0x1D << 6) | OPC_ADDU_QB_DSP,
556 OPC_MULQ_S_PH = (0x1E << 6) | OPC_ADDU_QB_DSP,
557 };
558
559 #define OPC_ADDUH_QB_DSP OPC_MULT_G_2E
560 #define MASK_ADDUH_QB(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
561 enum {
562 /* MIPS DSP Arithmetic Sub-class */
563 OPC_ADDUH_QB = (0x00 << 6) | OPC_ADDUH_QB_DSP,
564 OPC_ADDUH_R_QB = (0x02 << 6) | OPC_ADDUH_QB_DSP,
565 OPC_ADDQH_PH = (0x08 << 6) | OPC_ADDUH_QB_DSP,
566 OPC_ADDQH_R_PH = (0x0A << 6) | OPC_ADDUH_QB_DSP,
567 OPC_ADDQH_W = (0x10 << 6) | OPC_ADDUH_QB_DSP,
568 OPC_ADDQH_R_W = (0x12 << 6) | OPC_ADDUH_QB_DSP,
569 OPC_SUBUH_QB = (0x01 << 6) | OPC_ADDUH_QB_DSP,
570 OPC_SUBUH_R_QB = (0x03 << 6) | OPC_ADDUH_QB_DSP,
571 OPC_SUBQH_PH = (0x09 << 6) | OPC_ADDUH_QB_DSP,
572 OPC_SUBQH_R_PH = (0x0B << 6) | OPC_ADDUH_QB_DSP,
573 OPC_SUBQH_W = (0x11 << 6) | OPC_ADDUH_QB_DSP,
574 OPC_SUBQH_R_W = (0x13 << 6) | OPC_ADDUH_QB_DSP,
575 /* MIPS DSP Multiply Sub-class insns */
576 OPC_MUL_PH = (0x0C << 6) | OPC_ADDUH_QB_DSP,
577 OPC_MUL_S_PH = (0x0E << 6) | OPC_ADDUH_QB_DSP,
578 OPC_MULQ_S_W = (0x16 << 6) | OPC_ADDUH_QB_DSP,
579 OPC_MULQ_RS_W = (0x17 << 6) | OPC_ADDUH_QB_DSP,
580 };
581
582 #define MASK_ABSQ_S_PH(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
583 enum {
584 /* MIPS DSP Arithmetic Sub-class */
585 OPC_ABSQ_S_QB = (0x01 << 6) | OPC_ABSQ_S_PH_DSP,
586 OPC_ABSQ_S_PH = (0x09 << 6) | OPC_ABSQ_S_PH_DSP,
587 OPC_ABSQ_S_W = (0x11 << 6) | OPC_ABSQ_S_PH_DSP,
588 OPC_PRECEQ_W_PHL = (0x0C << 6) | OPC_ABSQ_S_PH_DSP,
589 OPC_PRECEQ_W_PHR = (0x0D << 6) | OPC_ABSQ_S_PH_DSP,
590 OPC_PRECEQU_PH_QBL = (0x04 << 6) | OPC_ABSQ_S_PH_DSP,
591 OPC_PRECEQU_PH_QBR = (0x05 << 6) | OPC_ABSQ_S_PH_DSP,
592 OPC_PRECEQU_PH_QBLA = (0x06 << 6) | OPC_ABSQ_S_PH_DSP,
593 OPC_PRECEQU_PH_QBRA = (0x07 << 6) | OPC_ABSQ_S_PH_DSP,
594 OPC_PRECEU_PH_QBL = (0x1C << 6) | OPC_ABSQ_S_PH_DSP,
595 OPC_PRECEU_PH_QBR = (0x1D << 6) | OPC_ABSQ_S_PH_DSP,
596 OPC_PRECEU_PH_QBLA = (0x1E << 6) | OPC_ABSQ_S_PH_DSP,
597 OPC_PRECEU_PH_QBRA = (0x1F << 6) | OPC_ABSQ_S_PH_DSP,
598 /* DSP Bit/Manipulation Sub-class */
599 OPC_BITREV = (0x1B << 6) | OPC_ABSQ_S_PH_DSP,
600 OPC_REPL_QB = (0x02 << 6) | OPC_ABSQ_S_PH_DSP,
601 OPC_REPLV_QB = (0x03 << 6) | OPC_ABSQ_S_PH_DSP,
602 OPC_REPL_PH = (0x0A << 6) | OPC_ABSQ_S_PH_DSP,
603 OPC_REPLV_PH = (0x0B << 6) | OPC_ABSQ_S_PH_DSP,
604 };
605
606 #define MASK_CMPU_EQ_QB(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
607 enum {
608 /* MIPS DSP Arithmetic Sub-class */
609 OPC_PRECR_QB_PH = (0x0D << 6) | OPC_CMPU_EQ_QB_DSP,
610 OPC_PRECRQ_QB_PH = (0x0C << 6) | OPC_CMPU_EQ_QB_DSP,
611 OPC_PRECR_SRA_PH_W = (0x1E << 6) | OPC_CMPU_EQ_QB_DSP,
612 OPC_PRECR_SRA_R_PH_W = (0x1F << 6) | OPC_CMPU_EQ_QB_DSP,
613 OPC_PRECRQ_PH_W = (0x14 << 6) | OPC_CMPU_EQ_QB_DSP,
614 OPC_PRECRQ_RS_PH_W = (0x15 << 6) | OPC_CMPU_EQ_QB_DSP,
615 OPC_PRECRQU_S_QB_PH = (0x0F << 6) | OPC_CMPU_EQ_QB_DSP,
616 /* DSP Compare-Pick Sub-class */
617 OPC_CMPU_EQ_QB = (0x00 << 6) | OPC_CMPU_EQ_QB_DSP,
618 OPC_CMPU_LT_QB = (0x01 << 6) | OPC_CMPU_EQ_QB_DSP,
619 OPC_CMPU_LE_QB = (0x02 << 6) | OPC_CMPU_EQ_QB_DSP,
620 OPC_CMPGU_EQ_QB = (0x04 << 6) | OPC_CMPU_EQ_QB_DSP,
621 OPC_CMPGU_LT_QB = (0x05 << 6) | OPC_CMPU_EQ_QB_DSP,
622 OPC_CMPGU_LE_QB = (0x06 << 6) | OPC_CMPU_EQ_QB_DSP,
623 OPC_CMPGDU_EQ_QB = (0x18 << 6) | OPC_CMPU_EQ_QB_DSP,
624 OPC_CMPGDU_LT_QB = (0x19 << 6) | OPC_CMPU_EQ_QB_DSP,
625 OPC_CMPGDU_LE_QB = (0x1A << 6) | OPC_CMPU_EQ_QB_DSP,
626 OPC_CMP_EQ_PH = (0x08 << 6) | OPC_CMPU_EQ_QB_DSP,
627 OPC_CMP_LT_PH = (0x09 << 6) | OPC_CMPU_EQ_QB_DSP,
628 OPC_CMP_LE_PH = (0x0A << 6) | OPC_CMPU_EQ_QB_DSP,
629 OPC_PICK_QB = (0x03 << 6) | OPC_CMPU_EQ_QB_DSP,
630 OPC_PICK_PH = (0x0B << 6) | OPC_CMPU_EQ_QB_DSP,
631 OPC_PACKRL_PH = (0x0E << 6) | OPC_CMPU_EQ_QB_DSP,
632 };
633
634 #define MASK_SHLL_QB(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
635 enum {
636 /* MIPS DSP GPR-Based Shift Sub-class */
637 OPC_SHLL_QB = (0x00 << 6) | OPC_SHLL_QB_DSP,
638 OPC_SHLLV_QB = (0x02 << 6) | OPC_SHLL_QB_DSP,
639 OPC_SHLL_PH = (0x08 << 6) | OPC_SHLL_QB_DSP,
640 OPC_SHLLV_PH = (0x0A << 6) | OPC_SHLL_QB_DSP,
641 OPC_SHLL_S_PH = (0x0C << 6) | OPC_SHLL_QB_DSP,
642 OPC_SHLLV_S_PH = (0x0E << 6) | OPC_SHLL_QB_DSP,
643 OPC_SHLL_S_W = (0x14 << 6) | OPC_SHLL_QB_DSP,
644 OPC_SHLLV_S_W = (0x16 << 6) | OPC_SHLL_QB_DSP,
645 OPC_SHRL_QB = (0x01 << 6) | OPC_SHLL_QB_DSP,
646 OPC_SHRLV_QB = (0x03 << 6) | OPC_SHLL_QB_DSP,
647 OPC_SHRL_PH = (0x19 << 6) | OPC_SHLL_QB_DSP,
648 OPC_SHRLV_PH = (0x1B << 6) | OPC_SHLL_QB_DSP,
649 OPC_SHRA_QB = (0x04 << 6) | OPC_SHLL_QB_DSP,
650 OPC_SHRA_R_QB = (0x05 << 6) | OPC_SHLL_QB_DSP,
651 OPC_SHRAV_QB = (0x06 << 6) | OPC_SHLL_QB_DSP,
652 OPC_SHRAV_R_QB = (0x07 << 6) | OPC_SHLL_QB_DSP,
653 OPC_SHRA_PH = (0x09 << 6) | OPC_SHLL_QB_DSP,
654 OPC_SHRAV_PH = (0x0B << 6) | OPC_SHLL_QB_DSP,
655 OPC_SHRA_R_PH = (0x0D << 6) | OPC_SHLL_QB_DSP,
656 OPC_SHRAV_R_PH = (0x0F << 6) | OPC_SHLL_QB_DSP,
657 OPC_SHRA_R_W = (0x15 << 6) | OPC_SHLL_QB_DSP,
658 OPC_SHRAV_R_W = (0x17 << 6) | OPC_SHLL_QB_DSP,
659 };
660
661 #define MASK_DPA_W_PH(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
662 enum {
663 /* MIPS DSP Multiply Sub-class insns */
664 OPC_DPAU_H_QBL = (0x03 << 6) | OPC_DPA_W_PH_DSP,
665 OPC_DPAU_H_QBR = (0x07 << 6) | OPC_DPA_W_PH_DSP,
666 OPC_DPSU_H_QBL = (0x0B << 6) | OPC_DPA_W_PH_DSP,
667 OPC_DPSU_H_QBR = (0x0F << 6) | OPC_DPA_W_PH_DSP,
668 OPC_DPA_W_PH = (0x00 << 6) | OPC_DPA_W_PH_DSP,
669 OPC_DPAX_W_PH = (0x08 << 6) | OPC_DPA_W_PH_DSP,
670 OPC_DPAQ_S_W_PH = (0x04 << 6) | OPC_DPA_W_PH_DSP,
671 OPC_DPAQX_S_W_PH = (0x18 << 6) | OPC_DPA_W_PH_DSP,
672 OPC_DPAQX_SA_W_PH = (0x1A << 6) | OPC_DPA_W_PH_DSP,
673 OPC_DPS_W_PH = (0x01 << 6) | OPC_DPA_W_PH_DSP,
674 OPC_DPSX_W_PH = (0x09 << 6) | OPC_DPA_W_PH_DSP,
675 OPC_DPSQ_S_W_PH = (0x05 << 6) | OPC_DPA_W_PH_DSP,
676 OPC_DPSQX_S_W_PH = (0x19 << 6) | OPC_DPA_W_PH_DSP,
677 OPC_DPSQX_SA_W_PH = (0x1B << 6) | OPC_DPA_W_PH_DSP,
678 OPC_MULSAQ_S_W_PH = (0x06 << 6) | OPC_DPA_W_PH_DSP,
679 OPC_DPAQ_SA_L_W = (0x0C << 6) | OPC_DPA_W_PH_DSP,
680 OPC_DPSQ_SA_L_W = (0x0D << 6) | OPC_DPA_W_PH_DSP,
681 OPC_MAQ_S_W_PHL = (0x14 << 6) | OPC_DPA_W_PH_DSP,
682 OPC_MAQ_S_W_PHR = (0x16 << 6) | OPC_DPA_W_PH_DSP,
683 OPC_MAQ_SA_W_PHL = (0x10 << 6) | OPC_DPA_W_PH_DSP,
684 OPC_MAQ_SA_W_PHR = (0x12 << 6) | OPC_DPA_W_PH_DSP,
685 OPC_MULSA_W_PH = (0x02 << 6) | OPC_DPA_W_PH_DSP,
686 };
687
688 #define MASK_INSV(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
689 enum {
690 /* DSP Bit/Manipulation Sub-class */
691 OPC_INSV = (0x00 << 6) | OPC_INSV_DSP,
692 };
693
694 #define MASK_APPEND(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
695 enum {
696 /* MIPS DSP Append Sub-class */
697 OPC_APPEND = (0x00 << 6) | OPC_APPEND_DSP,
698 OPC_PREPEND = (0x01 << 6) | OPC_APPEND_DSP,
699 OPC_BALIGN = (0x10 << 6) | OPC_APPEND_DSP,
700 };
701
702 #define MASK_EXTR_W(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
703 enum {
704 /* MIPS DSP Accumulator and DSPControl Access Sub-class */
705 OPC_EXTR_W = (0x00 << 6) | OPC_EXTR_W_DSP,
706 OPC_EXTR_R_W = (0x04 << 6) | OPC_EXTR_W_DSP,
707 OPC_EXTR_RS_W = (0x06 << 6) | OPC_EXTR_W_DSP,
708 OPC_EXTR_S_H = (0x0E << 6) | OPC_EXTR_W_DSP,
709 OPC_EXTRV_S_H = (0x0F << 6) | OPC_EXTR_W_DSP,
710 OPC_EXTRV_W = (0x01 << 6) | OPC_EXTR_W_DSP,
711 OPC_EXTRV_R_W = (0x05 << 6) | OPC_EXTR_W_DSP,
712 OPC_EXTRV_RS_W = (0x07 << 6) | OPC_EXTR_W_DSP,
713 OPC_EXTP = (0x02 << 6) | OPC_EXTR_W_DSP,
714 OPC_EXTPV = (0x03 << 6) | OPC_EXTR_W_DSP,
715 OPC_EXTPDP = (0x0A << 6) | OPC_EXTR_W_DSP,
716 OPC_EXTPDPV = (0x0B << 6) | OPC_EXTR_W_DSP,
717 OPC_SHILO = (0x1A << 6) | OPC_EXTR_W_DSP,
718 OPC_SHILOV = (0x1B << 6) | OPC_EXTR_W_DSP,
719 OPC_MTHLIP = (0x1F << 6) | OPC_EXTR_W_DSP,
720 OPC_WRDSP = (0x13 << 6) | OPC_EXTR_W_DSP,
721 OPC_RDDSP = (0x12 << 6) | OPC_EXTR_W_DSP,
722 };
723
724 #define MASK_ABSQ_S_QH(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
725 enum {
726 /* MIPS DSP Arithmetic Sub-class */
727 OPC_PRECEQ_L_PWL = (0x14 << 6) | OPC_ABSQ_S_QH_DSP,
728 OPC_PRECEQ_L_PWR = (0x15 << 6) | OPC_ABSQ_S_QH_DSP,
729 OPC_PRECEQ_PW_QHL = (0x0C << 6) | OPC_ABSQ_S_QH_DSP,
730 OPC_PRECEQ_PW_QHR = (0x0D << 6) | OPC_ABSQ_S_QH_DSP,
731 OPC_PRECEQ_PW_QHLA = (0x0E << 6) | OPC_ABSQ_S_QH_DSP,
732 OPC_PRECEQ_PW_QHRA = (0x0F << 6) | OPC_ABSQ_S_QH_DSP,
733 OPC_PRECEQU_QH_OBL = (0x04 << 6) | OPC_ABSQ_S_QH_DSP,
734 OPC_PRECEQU_QH_OBR = (0x05 << 6) | OPC_ABSQ_S_QH_DSP,
735 OPC_PRECEQU_QH_OBLA = (0x06 << 6) | OPC_ABSQ_S_QH_DSP,
736 OPC_PRECEQU_QH_OBRA = (0x07 << 6) | OPC_ABSQ_S_QH_DSP,
737 OPC_PRECEU_QH_OBL = (0x1C << 6) | OPC_ABSQ_S_QH_DSP,
738 OPC_PRECEU_QH_OBR = (0x1D << 6) | OPC_ABSQ_S_QH_DSP,
739 OPC_PRECEU_QH_OBLA = (0x1E << 6) | OPC_ABSQ_S_QH_DSP,
740 OPC_PRECEU_QH_OBRA = (0x1F << 6) | OPC_ABSQ_S_QH_DSP,
741 OPC_ABSQ_S_OB = (0x01 << 6) | OPC_ABSQ_S_QH_DSP,
742 OPC_ABSQ_S_PW = (0x11 << 6) | OPC_ABSQ_S_QH_DSP,
743 OPC_ABSQ_S_QH = (0x09 << 6) | OPC_ABSQ_S_QH_DSP,
744 /* DSP Bit/Manipulation Sub-class */
745 OPC_REPL_OB = (0x02 << 6) | OPC_ABSQ_S_QH_DSP,
746 OPC_REPL_PW = (0x12 << 6) | OPC_ABSQ_S_QH_DSP,
747 OPC_REPL_QH = (0x0A << 6) | OPC_ABSQ_S_QH_DSP,
748 OPC_REPLV_OB = (0x03 << 6) | OPC_ABSQ_S_QH_DSP,
749 OPC_REPLV_PW = (0x13 << 6) | OPC_ABSQ_S_QH_DSP,
750 OPC_REPLV_QH = (0x0B << 6) | OPC_ABSQ_S_QH_DSP,
751 };
752
753 #define MASK_ADDU_OB(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
754 enum {
755 /* MIPS DSP Multiply Sub-class insns */
756 OPC_MULEQ_S_PW_QHL = (0x1C << 6) | OPC_ADDU_OB_DSP,
757 OPC_MULEQ_S_PW_QHR = (0x1D << 6) | OPC_ADDU_OB_DSP,
758 OPC_MULEU_S_QH_OBL = (0x06 << 6) | OPC_ADDU_OB_DSP,
759 OPC_MULEU_S_QH_OBR = (0x07 << 6) | OPC_ADDU_OB_DSP,
760 OPC_MULQ_RS_QH = (0x1F << 6) | OPC_ADDU_OB_DSP,
761 /* MIPS DSP Arithmetic Sub-class */
762 OPC_RADDU_L_OB = (0x14 << 6) | OPC_ADDU_OB_DSP,
763 OPC_SUBQ_PW = (0x13 << 6) | OPC_ADDU_OB_DSP,
764 OPC_SUBQ_S_PW = (0x17 << 6) | OPC_ADDU_OB_DSP,
765 OPC_SUBQ_QH = (0x0B << 6) | OPC_ADDU_OB_DSP,
766 OPC_SUBQ_S_QH = (0x0F << 6) | OPC_ADDU_OB_DSP,
767 OPC_SUBU_OB = (0x01 << 6) | OPC_ADDU_OB_DSP,
768 OPC_SUBU_S_OB = (0x05 << 6) | OPC_ADDU_OB_DSP,
769 OPC_SUBU_QH = (0x09 << 6) | OPC_ADDU_OB_DSP,
770 OPC_SUBU_S_QH = (0x0D << 6) | OPC_ADDU_OB_DSP,
771 OPC_SUBUH_OB = (0x19 << 6) | OPC_ADDU_OB_DSP,
772 OPC_SUBUH_R_OB = (0x1B << 6) | OPC_ADDU_OB_DSP,
773 OPC_ADDQ_PW = (0x12 << 6) | OPC_ADDU_OB_DSP,
774 OPC_ADDQ_S_PW = (0x16 << 6) | OPC_ADDU_OB_DSP,
775 OPC_ADDQ_QH = (0x0A << 6) | OPC_ADDU_OB_DSP,
776 OPC_ADDQ_S_QH = (0x0E << 6) | OPC_ADDU_OB_DSP,
777 OPC_ADDU_OB = (0x00 << 6) | OPC_ADDU_OB_DSP,
778 OPC_ADDU_S_OB = (0x04 << 6) | OPC_ADDU_OB_DSP,
779 OPC_ADDU_QH = (0x08 << 6) | OPC_ADDU_OB_DSP,
780 OPC_ADDU_S_QH = (0x0C << 6) | OPC_ADDU_OB_DSP,
781 OPC_ADDUH_OB = (0x18 << 6) | OPC_ADDU_OB_DSP,
782 OPC_ADDUH_R_OB = (0x1A << 6) | OPC_ADDU_OB_DSP,
783 };
784
785 #define MASK_CMPU_EQ_OB(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
786 enum {
787 /* DSP Compare-Pick Sub-class */
788 OPC_CMP_EQ_PW = (0x10 << 6) | OPC_CMPU_EQ_OB_DSP,
789 OPC_CMP_LT_PW = (0x11 << 6) | OPC_CMPU_EQ_OB_DSP,
790 OPC_CMP_LE_PW = (0x12 << 6) | OPC_CMPU_EQ_OB_DSP,
791 OPC_CMP_EQ_QH = (0x08 << 6) | OPC_CMPU_EQ_OB_DSP,
792 OPC_CMP_LT_QH = (0x09 << 6) | OPC_CMPU_EQ_OB_DSP,
793 OPC_CMP_LE_QH = (0x0A << 6) | OPC_CMPU_EQ_OB_DSP,
794 OPC_CMPGDU_EQ_OB = (0x18 << 6) | OPC_CMPU_EQ_OB_DSP,
795 OPC_CMPGDU_LT_OB = (0x19 << 6) | OPC_CMPU_EQ_OB_DSP,
796 OPC_CMPGDU_LE_OB = (0x1A << 6) | OPC_CMPU_EQ_OB_DSP,
797 OPC_CMPGU_EQ_OB = (0x04 << 6) | OPC_CMPU_EQ_OB_DSP,
798 OPC_CMPGU_LT_OB = (0x05 << 6) | OPC_CMPU_EQ_OB_DSP,
799 OPC_CMPGU_LE_OB = (0x06 << 6) | OPC_CMPU_EQ_OB_DSP,
800 OPC_CMPU_EQ_OB = (0x00 << 6) | OPC_CMPU_EQ_OB_DSP,
801 OPC_CMPU_LT_OB = (0x01 << 6) | OPC_CMPU_EQ_OB_DSP,
802 OPC_CMPU_LE_OB = (0x02 << 6) | OPC_CMPU_EQ_OB_DSP,
803 OPC_PACKRL_PW = (0x0E << 6) | OPC_CMPU_EQ_OB_DSP,
804 OPC_PICK_OB = (0x03 << 6) | OPC_CMPU_EQ_OB_DSP,
805 OPC_PICK_PW = (0x13 << 6) | OPC_CMPU_EQ_OB_DSP,
806 OPC_PICK_QH = (0x0B << 6) | OPC_CMPU_EQ_OB_DSP,
807 /* MIPS DSP Arithmetic Sub-class */
808 OPC_PRECR_OB_QH = (0x0D << 6) | OPC_CMPU_EQ_OB_DSP,
809 OPC_PRECR_SRA_QH_PW = (0x1E << 6) | OPC_CMPU_EQ_OB_DSP,
810 OPC_PRECR_SRA_R_QH_PW = (0x1F << 6) | OPC_CMPU_EQ_OB_DSP,
811 OPC_PRECRQ_OB_QH = (0x0C << 6) | OPC_CMPU_EQ_OB_DSP,
812 OPC_PRECRQ_PW_L = (0x1C << 6) | OPC_CMPU_EQ_OB_DSP,
813 OPC_PRECRQ_QH_PW = (0x14 << 6) | OPC_CMPU_EQ_OB_DSP,
814 OPC_PRECRQ_RS_QH_PW = (0x15 << 6) | OPC_CMPU_EQ_OB_DSP,
815 OPC_PRECRQU_S_OB_QH = (0x0F << 6) | OPC_CMPU_EQ_OB_DSP,
816 };
817
818 #define MASK_DAPPEND(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
819 enum {
820 /* DSP Append Sub-class */
821 OPC_DAPPEND = (0x00 << 6) | OPC_DAPPEND_DSP,
822 OPC_PREPENDD = (0x03 << 6) | OPC_DAPPEND_DSP,
823 OPC_PREPENDW = (0x01 << 6) | OPC_DAPPEND_DSP,
824 OPC_DBALIGN = (0x10 << 6) | OPC_DAPPEND_DSP,
825 };
826
827 #define MASK_DEXTR_W(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
828 enum {
829 /* MIPS DSP Accumulator and DSPControl Access Sub-class */
830 OPC_DMTHLIP = (0x1F << 6) | OPC_DEXTR_W_DSP,
831 OPC_DSHILO = (0x1A << 6) | OPC_DEXTR_W_DSP,
832 OPC_DEXTP = (0x02 << 6) | OPC_DEXTR_W_DSP,
833 OPC_DEXTPDP = (0x0A << 6) | OPC_DEXTR_W_DSP,
834 OPC_DEXTPDPV = (0x0B << 6) | OPC_DEXTR_W_DSP,
835 OPC_DEXTPV = (0x03 << 6) | OPC_DEXTR_W_DSP,
836 OPC_DEXTR_L = (0x10 << 6) | OPC_DEXTR_W_DSP,
837 OPC_DEXTR_R_L = (0x14 << 6) | OPC_DEXTR_W_DSP,
838 OPC_DEXTR_RS_L = (0x16 << 6) | OPC_DEXTR_W_DSP,
839 OPC_DEXTR_W = (0x00 << 6) | OPC_DEXTR_W_DSP,
840 OPC_DEXTR_R_W = (0x04 << 6) | OPC_DEXTR_W_DSP,
841 OPC_DEXTR_RS_W = (0x06 << 6) | OPC_DEXTR_W_DSP,
842 OPC_DEXTR_S_H = (0x0E << 6) | OPC_DEXTR_W_DSP,
843 OPC_DEXTRV_L = (0x11 << 6) | OPC_DEXTR_W_DSP,
844 OPC_DEXTRV_R_L = (0x15 << 6) | OPC_DEXTR_W_DSP,
845 OPC_DEXTRV_RS_L = (0x17 << 6) | OPC_DEXTR_W_DSP,
846 OPC_DEXTRV_S_H = (0x0F << 6) | OPC_DEXTR_W_DSP,
847 OPC_DEXTRV_W = (0x01 << 6) | OPC_DEXTR_W_DSP,
848 OPC_DEXTRV_R_W = (0x05 << 6) | OPC_DEXTR_W_DSP,
849 OPC_DEXTRV_RS_W = (0x07 << 6) | OPC_DEXTR_W_DSP,
850 OPC_DSHILOV = (0x1B << 6) | OPC_DEXTR_W_DSP,
851 };
852
853 #define MASK_DINSV(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
854 enum {
855 /* DSP Bit/Manipulation Sub-class */
856 OPC_DINSV = (0x00 << 6) | OPC_DINSV_DSP,
857 };
858
859 #define MASK_DPAQ_W_QH(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
860 enum {
861 /* MIPS DSP Multiply Sub-class insns */
862 OPC_DMADD = (0x19 << 6) | OPC_DPAQ_W_QH_DSP,
863 OPC_DMADDU = (0x1D << 6) | OPC_DPAQ_W_QH_DSP,
864 OPC_DMSUB = (0x1B << 6) | OPC_DPAQ_W_QH_DSP,
865 OPC_DMSUBU = (0x1F << 6) | OPC_DPAQ_W_QH_DSP,
866 OPC_DPA_W_QH = (0x00 << 6) | OPC_DPAQ_W_QH_DSP,
867 OPC_DPAQ_S_W_QH = (0x04 << 6) | OPC_DPAQ_W_QH_DSP,
868 OPC_DPAQ_SA_L_PW = (0x0C << 6) | OPC_DPAQ_W_QH_DSP,
869 OPC_DPAU_H_OBL = (0x03 << 6) | OPC_DPAQ_W_QH_DSP,
870 OPC_DPAU_H_OBR = (0x07 << 6) | OPC_DPAQ_W_QH_DSP,
871 OPC_DPS_W_QH = (0x01 << 6) | OPC_DPAQ_W_QH_DSP,
872 OPC_DPSQ_S_W_QH = (0x05 << 6) | OPC_DPAQ_W_QH_DSP,
873 OPC_DPSQ_SA_L_PW = (0x0D << 6) | OPC_DPAQ_W_QH_DSP,
874 OPC_DPSU_H_OBL = (0x0B << 6) | OPC_DPAQ_W_QH_DSP,
875 OPC_DPSU_H_OBR = (0x0F << 6) | OPC_DPAQ_W_QH_DSP,
876 OPC_MAQ_S_L_PWL = (0x1C << 6) | OPC_DPAQ_W_QH_DSP,
877 OPC_MAQ_S_L_PWR = (0x1E << 6) | OPC_DPAQ_W_QH_DSP,
878 OPC_MAQ_S_W_QHLL = (0x14 << 6) | OPC_DPAQ_W_QH_DSP,
879 OPC_MAQ_SA_W_QHLL = (0x10 << 6) | OPC_DPAQ_W_QH_DSP,
880 OPC_MAQ_S_W_QHLR = (0x15 << 6) | OPC_DPAQ_W_QH_DSP,
881 OPC_MAQ_SA_W_QHLR = (0x11 << 6) | OPC_DPAQ_W_QH_DSP,
882 OPC_MAQ_S_W_QHRL = (0x16 << 6) | OPC_DPAQ_W_QH_DSP,
883 OPC_MAQ_SA_W_QHRL = (0x12 << 6) | OPC_DPAQ_W_QH_DSP,
884 OPC_MAQ_S_W_QHRR = (0x17 << 6) | OPC_DPAQ_W_QH_DSP,
885 OPC_MAQ_SA_W_QHRR = (0x13 << 6) | OPC_DPAQ_W_QH_DSP,
886 OPC_MULSAQ_S_L_PW = (0x0E << 6) | OPC_DPAQ_W_QH_DSP,
887 OPC_MULSAQ_S_W_QH = (0x06 << 6) | OPC_DPAQ_W_QH_DSP,
888 };
889
890 #define MASK_SHLL_OB(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
891 enum {
892 /* MIPS DSP GPR-Based Shift Sub-class */
893 OPC_SHLL_PW = (0x10 << 6) | OPC_SHLL_OB_DSP,
894 OPC_SHLL_S_PW = (0x14 << 6) | OPC_SHLL_OB_DSP,
895 OPC_SHLLV_OB = (0x02 << 6) | OPC_SHLL_OB_DSP,
896 OPC_SHLLV_PW = (0x12 << 6) | OPC_SHLL_OB_DSP,
897 OPC_SHLLV_S_PW = (0x16 << 6) | OPC_SHLL_OB_DSP,
898 OPC_SHLLV_QH = (0x0A << 6) | OPC_SHLL_OB_DSP,
899 OPC_SHLLV_S_QH = (0x0E << 6) | OPC_SHLL_OB_DSP,
900 OPC_SHRA_PW = (0x11 << 6) | OPC_SHLL_OB_DSP,
901 OPC_SHRA_R_PW = (0x15 << 6) | OPC_SHLL_OB_DSP,
902 OPC_SHRAV_OB = (0x06 << 6) | OPC_SHLL_OB_DSP,
903 OPC_SHRAV_R_OB = (0x07 << 6) | OPC_SHLL_OB_DSP,
904 OPC_SHRAV_PW = (0x13 << 6) | OPC_SHLL_OB_DSP,
905 OPC_SHRAV_R_PW = (0x17 << 6) | OPC_SHLL_OB_DSP,
906 OPC_SHRAV_QH = (0x0B << 6) | OPC_SHLL_OB_DSP,
907 OPC_SHRAV_R_QH = (0x0F << 6) | OPC_SHLL_OB_DSP,
908 OPC_SHRLV_OB = (0x03 << 6) | OPC_SHLL_OB_DSP,
909 OPC_SHRLV_QH = (0x1B << 6) | OPC_SHLL_OB_DSP,
910 OPC_SHLL_OB = (0x00 << 6) | OPC_SHLL_OB_DSP,
911 OPC_SHLL_QH = (0x08 << 6) | OPC_SHLL_OB_DSP,
912 OPC_SHLL_S_QH = (0x0C << 6) | OPC_SHLL_OB_DSP,
913 OPC_SHRA_OB = (0x04 << 6) | OPC_SHLL_OB_DSP,
914 OPC_SHRA_R_OB = (0x05 << 6) | OPC_SHLL_OB_DSP,
915 OPC_SHRA_QH = (0x09 << 6) | OPC_SHLL_OB_DSP,
916 OPC_SHRA_R_QH = (0x0D << 6) | OPC_SHLL_OB_DSP,
917 OPC_SHRL_OB = (0x01 << 6) | OPC_SHLL_OB_DSP,
918 OPC_SHRL_QH = (0x19 << 6) | OPC_SHLL_OB_DSP,
919 };
920
921 /* Coprocessor 0 (rs field) */
922 #define MASK_CP0(op) (MASK_OP_MAJOR(op) | (op & (0x1F << 21)))
923
924 enum {
925 OPC_MFC0 = (0x00 << 21) | OPC_CP0,
926 OPC_DMFC0 = (0x01 << 21) | OPC_CP0,
927 OPC_MFHC0 = (0x02 << 21) | OPC_CP0,
928 OPC_MTC0 = (0x04 << 21) | OPC_CP0,
929 OPC_DMTC0 = (0x05 << 21) | OPC_CP0,
930 OPC_MTHC0 = (0x06 << 21) | OPC_CP0,
931 OPC_MFTR = (0x08 << 21) | OPC_CP0,
932 OPC_RDPGPR = (0x0A << 21) | OPC_CP0,
933 OPC_MFMC0 = (0x0B << 21) | OPC_CP0,
934 OPC_MTTR = (0x0C << 21) | OPC_CP0,
935 OPC_WRPGPR = (0x0E << 21) | OPC_CP0,
936 OPC_C0 = (0x10 << 21) | OPC_CP0,
937 OPC_C0_1 = (0x11 << 21) | OPC_CP0,
938 OPC_C0_2 = (0x12 << 21) | OPC_CP0,
939 OPC_C0_3 = (0x13 << 21) | OPC_CP0,
940 OPC_C0_4 = (0x14 << 21) | OPC_CP0,
941 OPC_C0_5 = (0x15 << 21) | OPC_CP0,
942 OPC_C0_6 = (0x16 << 21) | OPC_CP0,
943 OPC_C0_7 = (0x17 << 21) | OPC_CP0,
944 OPC_C0_8 = (0x18 << 21) | OPC_CP0,
945 OPC_C0_9 = (0x19 << 21) | OPC_CP0,
946 OPC_C0_A = (0x1A << 21) | OPC_CP0,
947 OPC_C0_B = (0x1B << 21) | OPC_CP0,
948 OPC_C0_C = (0x1C << 21) | OPC_CP0,
949 OPC_C0_D = (0x1D << 21) | OPC_CP0,
950 OPC_C0_E = (0x1E << 21) | OPC_CP0,
951 OPC_C0_F = (0x1F << 21) | OPC_CP0,
952 };
953
954 /* MFMC0 opcodes */
955 #define MASK_MFMC0(op) (MASK_CP0(op) | (op & 0xFFFF))
956
957 enum {
958 OPC_DMT = 0x01 | (0 << 5) | (0x0F << 6) | (0x01 << 11) | OPC_MFMC0,
959 OPC_EMT = 0x01 | (1 << 5) | (0x0F << 6) | (0x01 << 11) | OPC_MFMC0,
960 OPC_DVPE = 0x01 | (0 << 5) | OPC_MFMC0,
961 OPC_EVPE = 0x01 | (1 << 5) | OPC_MFMC0,
962 OPC_DI = (0 << 5) | (0x0C << 11) | OPC_MFMC0,
963 OPC_EI = (1 << 5) | (0x0C << 11) | OPC_MFMC0,
964 OPC_DVP = 0x04 | (0 << 3) | (1 << 5) | (0 << 11) | OPC_MFMC0,
965 OPC_EVP = 0x04 | (0 << 3) | (0 << 5) | (0 << 11) | OPC_MFMC0,
966 };
967
968 /* Coprocessor 0 (with rs == C0) */
969 #define MASK_C0(op) (MASK_CP0(op) | (op & 0x3F))
970
971 enum {
972 OPC_TLBR = 0x01 | OPC_C0,
973 OPC_TLBWI = 0x02 | OPC_C0,
974 OPC_TLBINV = 0x03 | OPC_C0,
975 OPC_TLBINVF = 0x04 | OPC_C0,
976 OPC_TLBWR = 0x06 | OPC_C0,
977 OPC_TLBP = 0x08 | OPC_C0,
978 OPC_RFE = 0x10 | OPC_C0,
979 OPC_ERET = 0x18 | OPC_C0,
980 OPC_DERET = 0x1F | OPC_C0,
981 OPC_WAIT = 0x20 | OPC_C0,
982 };
983
984 #define MASK_CP2(op) (MASK_OP_MAJOR(op) | (op & (0x1F << 21)))
985
986 enum {
987 OPC_MFC2 = (0x00 << 21) | OPC_CP2,
988 OPC_DMFC2 = (0x01 << 21) | OPC_CP2,
989 OPC_CFC2 = (0x02 << 21) | OPC_CP2,
990 OPC_MFHC2 = (0x03 << 21) | OPC_CP2,
991 OPC_MTC2 = (0x04 << 21) | OPC_CP2,
992 OPC_DMTC2 = (0x05 << 21) | OPC_CP2,
993 OPC_CTC2 = (0x06 << 21) | OPC_CP2,
994 OPC_MTHC2 = (0x07 << 21) | OPC_CP2,
995 OPC_BC2 = (0x08 << 21) | OPC_CP2,
996 OPC_BC2EQZ = (0x09 << 21) | OPC_CP2,
997 OPC_BC2NEZ = (0x0D << 21) | OPC_CP2,
998 };
999
1000 #define MASK_LMMI(op) (MASK_OP_MAJOR(op) | (op & (0x1F << 21)) | (op & 0x1F))
1001
1002 enum {
1003 OPC_PADDSH = (24 << 21) | (0x00) | OPC_CP2,
1004 OPC_PADDUSH = (25 << 21) | (0x00) | OPC_CP2,
1005 OPC_PADDH = (26 << 21) | (0x00) | OPC_CP2,
1006 OPC_PADDW = (27 << 21) | (0x00) | OPC_CP2,
1007 OPC_PADDSB = (28 << 21) | (0x00) | OPC_CP2,
1008 OPC_PADDUSB = (29 << 21) | (0x00) | OPC_CP2,
1009 OPC_PADDB = (30 << 21) | (0x00) | OPC_CP2,
1010 OPC_PADDD = (31 << 21) | (0x00) | OPC_CP2,
1011
1012 OPC_PSUBSH = (24 << 21) | (0x01) | OPC_CP2,
1013 OPC_PSUBUSH = (25 << 21) | (0x01) | OPC_CP2,
1014 OPC_PSUBH = (26 << 21) | (0x01) | OPC_CP2,
1015 OPC_PSUBW = (27 << 21) | (0x01) | OPC_CP2,
1016 OPC_PSUBSB = (28 << 21) | (0x01) | OPC_CP2,
1017 OPC_PSUBUSB = (29 << 21) | (0x01) | OPC_CP2,
1018 OPC_PSUBB = (30 << 21) | (0x01) | OPC_CP2,
1019 OPC_PSUBD = (31 << 21) | (0x01) | OPC_CP2,
1020
1021 OPC_PSHUFH = (24 << 21) | (0x02) | OPC_CP2,
1022 OPC_PACKSSWH = (25 << 21) | (0x02) | OPC_CP2,
1023 OPC_PACKSSHB = (26 << 21) | (0x02) | OPC_CP2,
1024 OPC_PACKUSHB = (27 << 21) | (0x02) | OPC_CP2,
1025 OPC_XOR_CP2 = (28 << 21) | (0x02) | OPC_CP2,
1026 OPC_NOR_CP2 = (29 << 21) | (0x02) | OPC_CP2,
1027 OPC_AND_CP2 = (30 << 21) | (0x02) | OPC_CP2,
1028 OPC_PANDN = (31 << 21) | (0x02) | OPC_CP2,
1029
1030 OPC_PUNPCKLHW = (24 << 21) | (0x03) | OPC_CP2,
1031 OPC_PUNPCKHHW = (25 << 21) | (0x03) | OPC_CP2,
1032 OPC_PUNPCKLBH = (26 << 21) | (0x03) | OPC_CP2,
1033 OPC_PUNPCKHBH = (27 << 21) | (0x03) | OPC_CP2,
1034 OPC_PINSRH_0 = (28 << 21) | (0x03) | OPC_CP2,
1035 OPC_PINSRH_1 = (29 << 21) | (0x03) | OPC_CP2,
1036 OPC_PINSRH_2 = (30 << 21) | (0x03) | OPC_CP2,
1037 OPC_PINSRH_3 = (31 << 21) | (0x03) | OPC_CP2,
1038
1039 OPC_PAVGH = (24 << 21) | (0x08) | OPC_CP2,
1040 OPC_PAVGB = (25 << 21) | (0x08) | OPC_CP2,
1041 OPC_PMAXSH = (26 << 21) | (0x08) | OPC_CP2,
1042 OPC_PMINSH = (27 << 21) | (0x08) | OPC_CP2,
1043 OPC_PMAXUB = (28 << 21) | (0x08) | OPC_CP2,
1044 OPC_PMINUB = (29 << 21) | (0x08) | OPC_CP2,
1045
1046 OPC_PCMPEQW = (24 << 21) | (0x09) | OPC_CP2,
1047 OPC_PCMPGTW = (25 << 21) | (0x09) | OPC_CP2,
1048 OPC_PCMPEQH = (26 << 21) | (0x09) | OPC_CP2,
1049 OPC_PCMPGTH = (27 << 21) | (0x09) | OPC_CP2,
1050 OPC_PCMPEQB = (28 << 21) | (0x09) | OPC_CP2,
1051 OPC_PCMPGTB = (29 << 21) | (0x09) | OPC_CP2,
1052
1053 OPC_PSLLW = (24 << 21) | (0x0A) | OPC_CP2,
1054 OPC_PSLLH = (25 << 21) | (0x0A) | OPC_CP2,
1055 OPC_PMULLH = (26 << 21) | (0x0A) | OPC_CP2,
1056 OPC_PMULHH = (27 << 21) | (0x0A) | OPC_CP2,
1057 OPC_PMULUW = (28 << 21) | (0x0A) | OPC_CP2,
1058 OPC_PMULHUH = (29 << 21) | (0x0A) | OPC_CP2,
1059
1060 OPC_PSRLW = (24 << 21) | (0x0B) | OPC_CP2,
1061 OPC_PSRLH = (25 << 21) | (0x0B) | OPC_CP2,
1062 OPC_PSRAW = (26 << 21) | (0x0B) | OPC_CP2,
1063 OPC_PSRAH = (27 << 21) | (0x0B) | OPC_CP2,
1064 OPC_PUNPCKLWD = (28 << 21) | (0x0B) | OPC_CP2,
1065 OPC_PUNPCKHWD = (29 << 21) | (0x0B) | OPC_CP2,
1066
1067 OPC_ADDU_CP2 = (24 << 21) | (0x0C) | OPC_CP2,
1068 OPC_OR_CP2 = (25 << 21) | (0x0C) | OPC_CP2,
1069 OPC_ADD_CP2 = (26 << 21) | (0x0C) | OPC_CP2,
1070 OPC_DADD_CP2 = (27 << 21) | (0x0C) | OPC_CP2,
1071 OPC_SEQU_CP2 = (28 << 21) | (0x0C) | OPC_CP2,
1072 OPC_SEQ_CP2 = (29 << 21) | (0x0C) | OPC_CP2,
1073
1074 OPC_SUBU_CP2 = (24 << 21) | (0x0D) | OPC_CP2,
1075 OPC_PASUBUB = (25 << 21) | (0x0D) | OPC_CP2,
1076 OPC_SUB_CP2 = (26 << 21) | (0x0D) | OPC_CP2,
1077 OPC_DSUB_CP2 = (27 << 21) | (0x0D) | OPC_CP2,
1078 OPC_SLTU_CP2 = (28 << 21) | (0x0D) | OPC_CP2,
1079 OPC_SLT_CP2 = (29 << 21) | (0x0D) | OPC_CP2,
1080
1081 OPC_SLL_CP2 = (24 << 21) | (0x0E) | OPC_CP2,
1082 OPC_DSLL_CP2 = (25 << 21) | (0x0E) | OPC_CP2,
1083 OPC_PEXTRH = (26 << 21) | (0x0E) | OPC_CP2,
1084 OPC_PMADDHW = (27 << 21) | (0x0E) | OPC_CP2,
1085 OPC_SLEU_CP2 = (28 << 21) | (0x0E) | OPC_CP2,
1086 OPC_SLE_CP2 = (29 << 21) | (0x0E) | OPC_CP2,
1087
1088 OPC_SRL_CP2 = (24 << 21) | (0x0F) | OPC_CP2,
1089 OPC_DSRL_CP2 = (25 << 21) | (0x0F) | OPC_CP2,
1090 OPC_SRA_CP2 = (26 << 21) | (0x0F) | OPC_CP2,
1091 OPC_DSRA_CP2 = (27 << 21) | (0x0F) | OPC_CP2,
1092 OPC_BIADD = (28 << 21) | (0x0F) | OPC_CP2,
1093 OPC_PMOVMSKB = (29 << 21) | (0x0F) | OPC_CP2,
1094 };
1095
1096
1097 #define MASK_CP3(op) (MASK_OP_MAJOR(op) | (op & 0x3F))
1098
1099 enum {
1100 OPC_LWXC1 = 0x00 | OPC_CP3,
1101 OPC_LDXC1 = 0x01 | OPC_CP3,
1102 OPC_LUXC1 = 0x05 | OPC_CP3,
1103 OPC_SWXC1 = 0x08 | OPC_CP3,
1104 OPC_SDXC1 = 0x09 | OPC_CP3,
1105 OPC_SUXC1 = 0x0D | OPC_CP3,
1106 OPC_PREFX = 0x0F | OPC_CP3,
1107 OPC_ALNV_PS = 0x1E | OPC_CP3,
1108 OPC_MADD_S = 0x20 | OPC_CP3,
1109 OPC_MADD_D = 0x21 | OPC_CP3,
1110 OPC_MADD_PS = 0x26 | OPC_CP3,
1111 OPC_MSUB_S = 0x28 | OPC_CP3,
1112 OPC_MSUB_D = 0x29 | OPC_CP3,
1113 OPC_MSUB_PS = 0x2E | OPC_CP3,
1114 OPC_NMADD_S = 0x30 | OPC_CP3,
1115 OPC_NMADD_D = 0x31 | OPC_CP3,
1116 OPC_NMADD_PS = 0x36 | OPC_CP3,
1117 OPC_NMSUB_S = 0x38 | OPC_CP3,
1118 OPC_NMSUB_D = 0x39 | OPC_CP3,
1119 OPC_NMSUB_PS = 0x3E | OPC_CP3,
1120 };
1121
1122 /*
1123 * MMI (MultiMedia Instruction) encodings
1124 * ======================================
1125 *
1126 * MMI instructions encoding table keys:
1127 *
1128 * * This code is reserved for future use. An attempt to execute it
1129 * causes a Reserved Instruction exception.
1130 * % This code indicates an instruction class. The instruction word
1131 * must be further decoded by examining additional tables that show
1132 * the values for other instruction fields.
1133 * # This code is reserved for the unsupported instructions DMULT,
1134 * DMULTU, DDIV, DDIVU, LL, LLD, SC, SCD, LWC2 and SWC2. An attempt
1135 * to execute it causes a Reserved Instruction exception.
1136 *
1137 * MMI instructions encoded by opcode field (MMI, LQ, SQ):
1138 *
1139 * 31 26 0
1140 * +--------+----------------------------------------+
1141 * | opcode | |
1142 * +--------+----------------------------------------+
1143 *
1144 * opcode bits 28..26
1145 * bits | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7
1146 * 31..29 | 000 | 001 | 010 | 011 | 100 | 101 | 110 | 111
1147 * -------+-------+-------+-------+-------+-------+-------+-------+-------
1148 * 0 000 |SPECIAL| REGIMM| J | JAL | BEQ | BNE | BLEZ | BGTZ
1149 * 1 001 | ADDI | ADDIU | SLTI | SLTIU | ANDI | ORI | XORI | LUI
1150 * 2 010 | COP0 | COP1 | * | * | BEQL | BNEL | BLEZL | BGTZL
1151 * 3 011 | DADDI | DADDIU| LDL | LDR | MMI% | * | LQ | SQ
1152 * 4 100 | LB | LH | LWL | LW | LBU | LHU | LWR | LWU
1153 * 5 101 | SB | SH | SWL | SW | SDL | SDR | SWR | CACHE
1154 * 6 110 | # | LWC1 | # | PREF | # | LDC1 | # | LD
1155 * 7 111 | # | SWC1 | # | * | # | SDC1 | # | SD
1156 */
1157
1158 enum {
1159 MMI_OPC_CLASS_MMI = 0x1C << 26, /* Same as OPC_SPECIAL2 */
1160 MMI_OPC_SQ = 0x1F << 26, /* Same as OPC_SPECIAL3 */
1161 };
1162
1163 /*
1164 * MMI instructions with opcode field = MMI:
1165 *
1166 * 31 26 5 0
1167 * +--------+-------------------------------+--------+
1168 * | MMI | |function|
1169 * +--------+-------------------------------+--------+
1170 *
1171 * function bits 2..0
1172 * bits | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7
1173 * 5..3 | 000 | 001 | 010 | 011 | 100 | 101 | 110 | 111
1174 * -------+-------+-------+-------+-------+-------+-------+-------+-------
1175 * 0 000 | MADD | MADDU | * | * | PLZCW | * | * | *
1176 * 1 001 | MMI0% | MMI2% | * | * | * | * | * | *
1177 * 2 010 | MFHI1 | MTHI1 | MFLO1 | MTLO1 | * | * | * | *
1178 * 3 011 | MULT1 | MULTU1| DIV1 | DIVU1 | * | * | * | *
1179 * 4 100 | MADD1 | MADDU1| * | * | * | * | * | *
1180 * 5 101 | MMI1% | MMI3% | * | * | * | * | * | *
1181 * 6 110 | PMFHL | PMTHL | * | * | PSLLH | * | PSRLH | PSRAH
1182 * 7 111 | * | * | * | * | PSLLW | * | PSRLW | PSRAW
1183 */
1184
1185 #define MASK_MMI(op) (MASK_OP_MAJOR(op) | ((op) & 0x3F))
1186 enum {
1187 MMI_OPC_MADD = 0x00 | MMI_OPC_CLASS_MMI, /* Same as OPC_MADD */
1188 MMI_OPC_MADDU = 0x01 | MMI_OPC_CLASS_MMI, /* Same as OPC_MADDU */
1189 MMI_OPC_MULT1 = 0x18 | MMI_OPC_CLASS_MMI, /* Same minor as OPC_MULT */
1190 MMI_OPC_MULTU1 = 0x19 | MMI_OPC_CLASS_MMI, /* Same min. as OPC_MULTU */
1191 MMI_OPC_DIV1 = 0x1A | MMI_OPC_CLASS_MMI, /* Same minor as OPC_DIV */
1192 MMI_OPC_DIVU1 = 0x1B | MMI_OPC_CLASS_MMI, /* Same minor as OPC_DIVU */
1193 MMI_OPC_MADD1 = 0x20 | MMI_OPC_CLASS_MMI,
1194 MMI_OPC_MADDU1 = 0x21 | MMI_OPC_CLASS_MMI,
1195 };
1196
1197 /* global register indices */
1198 TCGv cpu_gpr[32], cpu_PC;
1199 /*
1200 * For CPUs using 128-bit GPR registers, we put the lower halves in cpu_gpr[])
1201 * and the upper halves in cpu_gpr_hi[].
1202 */
1203 TCGv_i64 cpu_gpr_hi[32];
1204 TCGv cpu_HI[MIPS_DSP_ACC], cpu_LO[MIPS_DSP_ACC];
1205 static TCGv cpu_dspctrl, btarget;
1206 TCGv bcond;
1207 static TCGv cpu_lladdr, cpu_llval;
1208 static TCGv_i32 hflags;
1209 TCGv_i32 fpu_fcr0, fpu_fcr31;
1210 TCGv_i64 fpu_f64[32];
1211
1212 static const char regnames_HI[][4] = {
1213 "HI0", "HI1", "HI2", "HI3",
1214 };
1215
1216 static const char regnames_LO[][4] = {
1217 "LO0", "LO1", "LO2", "LO3",
1218 };
1219
1220 /* General purpose registers moves. */
gen_load_gpr(TCGv t,int reg)1221 void gen_load_gpr(TCGv t, int reg)
1222 {
1223 assert(reg >= 0 && reg <= ARRAY_SIZE(cpu_gpr));
1224 if (reg == 0) {
1225 tcg_gen_movi_tl(t, 0);
1226 } else {
1227 tcg_gen_mov_tl(t, cpu_gpr[reg]);
1228 }
1229 }
1230
gen_store_gpr(TCGv t,int reg)1231 void gen_store_gpr(TCGv t, int reg)
1232 {
1233 assert(reg >= 0 && reg <= ARRAY_SIZE(cpu_gpr));
1234 if (reg != 0) {
1235 tcg_gen_mov_tl(cpu_gpr[reg], t);
1236 }
1237 }
1238
1239 #if defined(TARGET_MIPS64)
gen_load_gpr_hi(TCGv_i64 t,int reg)1240 void gen_load_gpr_hi(TCGv_i64 t, int reg)
1241 {
1242 assert(reg >= 0 && reg <= ARRAY_SIZE(cpu_gpr_hi));
1243 if (reg == 0) {
1244 tcg_gen_movi_i64(t, 0);
1245 } else {
1246 tcg_gen_mov_i64(t, cpu_gpr_hi[reg]);
1247 }
1248 }
1249
gen_store_gpr_hi(TCGv_i64 t,int reg)1250 void gen_store_gpr_hi(TCGv_i64 t, int reg)
1251 {
1252 assert(reg >= 0 && reg <= ARRAY_SIZE(cpu_gpr_hi));
1253 if (reg != 0) {
1254 tcg_gen_mov_i64(cpu_gpr_hi[reg], t);
1255 }
1256 }
1257 #endif /* TARGET_MIPS64 */
1258
1259 /* Moves to/from shadow registers. */
gen_load_srsgpr(int from,int to)1260 static inline void gen_load_srsgpr(int from, int to)
1261 {
1262 TCGv t0 = tcg_temp_new();
1263
1264 if (from == 0) {
1265 tcg_gen_movi_tl(t0, 0);
1266 } else {
1267 TCGv_i32 t2 = tcg_temp_new_i32();
1268 TCGv_ptr addr = tcg_temp_new_ptr();
1269
1270 tcg_gen_ld_i32(t2, tcg_env, offsetof(CPUMIPSState, CP0_SRSCtl));
1271 tcg_gen_shri_i32(t2, t2, CP0SRSCtl_PSS);
1272 tcg_gen_andi_i32(t2, t2, 0xf);
1273 tcg_gen_muli_i32(t2, t2, sizeof(target_ulong) * 32);
1274 tcg_gen_ext_i32_ptr(addr, t2);
1275 tcg_gen_add_ptr(addr, tcg_env, addr);
1276
1277 tcg_gen_ld_tl(t0, addr, sizeof(target_ulong) * from);
1278 }
1279 gen_store_gpr(t0, to);
1280 }
1281
gen_store_srsgpr(int from,int to)1282 static inline void gen_store_srsgpr(int from, int to)
1283 {
1284 if (to != 0) {
1285 TCGv t0 = tcg_temp_new();
1286 TCGv_i32 t2 = tcg_temp_new_i32();
1287 TCGv_ptr addr = tcg_temp_new_ptr();
1288
1289 gen_load_gpr(t0, from);
1290 tcg_gen_ld_i32(t2, tcg_env, offsetof(CPUMIPSState, CP0_SRSCtl));
1291 tcg_gen_shri_i32(t2, t2, CP0SRSCtl_PSS);
1292 tcg_gen_andi_i32(t2, t2, 0xf);
1293 tcg_gen_muli_i32(t2, t2, sizeof(target_ulong) * 32);
1294 tcg_gen_ext_i32_ptr(addr, t2);
1295 tcg_gen_add_ptr(addr, tcg_env, addr);
1296
1297 tcg_gen_st_tl(t0, addr, sizeof(target_ulong) * to);
1298 }
1299 }
1300
1301 /* Tests */
gen_save_pc(target_ulong pc)1302 static inline void gen_save_pc(target_ulong pc)
1303 {
1304 tcg_gen_movi_tl(cpu_PC, pc);
1305 }
1306
save_cpu_state(DisasContext * ctx,int do_save_pc)1307 static inline void save_cpu_state(DisasContext *ctx, int do_save_pc)
1308 {
1309 LOG_DISAS("hflags %08x saved %08x\n", ctx->hflags, ctx->saved_hflags);
1310 if (do_save_pc && ctx->base.pc_next != ctx->saved_pc) {
1311 gen_save_pc(ctx->base.pc_next);
1312 ctx->saved_pc = ctx->base.pc_next;
1313 }
1314 if (ctx->hflags != ctx->saved_hflags) {
1315 tcg_gen_movi_i32(hflags, ctx->hflags);
1316 ctx->saved_hflags = ctx->hflags;
1317 switch (ctx->hflags & MIPS_HFLAG_BMASK_BASE) {
1318 case MIPS_HFLAG_BR:
1319 break;
1320 case MIPS_HFLAG_BC:
1321 case MIPS_HFLAG_BL:
1322 case MIPS_HFLAG_B:
1323 tcg_gen_movi_tl(btarget, ctx->btarget);
1324 break;
1325 }
1326 }
1327 }
1328
restore_cpu_state(CPUMIPSState * env,DisasContext * ctx)1329 static inline void restore_cpu_state(CPUMIPSState *env, DisasContext *ctx)
1330 {
1331 ctx->saved_hflags = ctx->hflags;
1332 switch (ctx->hflags & MIPS_HFLAG_BMASK_BASE) {
1333 case MIPS_HFLAG_BR:
1334 break;
1335 case MIPS_HFLAG_BC:
1336 case MIPS_HFLAG_BL:
1337 case MIPS_HFLAG_B:
1338 ctx->btarget = env->btarget;
1339 break;
1340 }
1341 }
1342
generate_exception_err(DisasContext * ctx,int excp,int err)1343 void generate_exception_err(DisasContext *ctx, int excp, int err)
1344 {
1345 save_cpu_state(ctx, 1);
1346 gen_helper_raise_exception_err(tcg_env, tcg_constant_i32(excp),
1347 tcg_constant_i32(err));
1348 ctx->base.is_jmp = DISAS_NORETURN;
1349 }
1350
generate_exception(DisasContext * ctx,int excp)1351 void generate_exception(DisasContext *ctx, int excp)
1352 {
1353 gen_helper_raise_exception(tcg_env, tcg_constant_i32(excp));
1354 }
1355
generate_exception_end(DisasContext * ctx,int excp)1356 void generate_exception_end(DisasContext *ctx, int excp)
1357 {
1358 generate_exception_err(ctx, excp, 0);
1359 }
1360
generate_exception_break(DisasContext * ctx,int code)1361 void generate_exception_break(DisasContext *ctx, int code)
1362 {
1363 #ifdef CONFIG_USER_ONLY
1364 /* Pass the break code along to cpu_loop. */
1365 tcg_gen_st_i32(tcg_constant_i32(code), tcg_env,
1366 offsetof(CPUMIPSState, error_code));
1367 #endif
1368 generate_exception_end(ctx, EXCP_BREAK);
1369 }
1370
gen_reserved_instruction(DisasContext * ctx)1371 void gen_reserved_instruction(DisasContext *ctx)
1372 {
1373 generate_exception_end(ctx, EXCP_RI);
1374 }
1375
1376 /* Floating point register moves. */
gen_load_fpr32(DisasContext * ctx,TCGv_i32 t,int reg)1377 void gen_load_fpr32(DisasContext *ctx, TCGv_i32 t, int reg)
1378 {
1379 if (ctx->hflags & MIPS_HFLAG_FRE) {
1380 generate_exception(ctx, EXCP_RI);
1381 }
1382 tcg_gen_extrl_i64_i32(t, fpu_f64[reg]);
1383 }
1384
gen_store_fpr32(DisasContext * ctx,TCGv_i32 t,int reg)1385 void gen_store_fpr32(DisasContext *ctx, TCGv_i32 t, int reg)
1386 {
1387 TCGv_i64 t64;
1388 if (ctx->hflags & MIPS_HFLAG_FRE) {
1389 generate_exception(ctx, EXCP_RI);
1390 }
1391 t64 = tcg_temp_new_i64();
1392 tcg_gen_extu_i32_i64(t64, t);
1393 tcg_gen_deposit_i64(fpu_f64[reg], fpu_f64[reg], t64, 0, 32);
1394 }
1395
gen_load_fpr32h(DisasContext * ctx,TCGv_i32 t,int reg)1396 static void gen_load_fpr32h(DisasContext *ctx, TCGv_i32 t, int reg)
1397 {
1398 if (ctx->hflags & MIPS_HFLAG_F64) {
1399 tcg_gen_extrh_i64_i32(t, fpu_f64[reg]);
1400 } else {
1401 gen_load_fpr32(ctx, t, reg | 1);
1402 }
1403 }
1404
gen_store_fpr32h(DisasContext * ctx,TCGv_i32 t,int reg)1405 static void gen_store_fpr32h(DisasContext *ctx, TCGv_i32 t, int reg)
1406 {
1407 if (ctx->hflags & MIPS_HFLAG_F64) {
1408 TCGv_i64 t64 = tcg_temp_new_i64();
1409 tcg_gen_extu_i32_i64(t64, t);
1410 tcg_gen_deposit_i64(fpu_f64[reg], fpu_f64[reg], t64, 32, 32);
1411 } else {
1412 gen_store_fpr32(ctx, t, reg | 1);
1413 }
1414 }
1415
gen_load_fpr64(DisasContext * ctx,TCGv_i64 t,int reg)1416 void gen_load_fpr64(DisasContext *ctx, TCGv_i64 t, int reg)
1417 {
1418 if (ctx->hflags & MIPS_HFLAG_F64) {
1419 tcg_gen_mov_i64(t, fpu_f64[reg]);
1420 } else {
1421 tcg_gen_concat32_i64(t, fpu_f64[reg & ~1], fpu_f64[reg | 1]);
1422 }
1423 }
1424
gen_store_fpr64(DisasContext * ctx,TCGv_i64 t,int reg)1425 void gen_store_fpr64(DisasContext *ctx, TCGv_i64 t, int reg)
1426 {
1427 if (ctx->hflags & MIPS_HFLAG_F64) {
1428 tcg_gen_mov_i64(fpu_f64[reg], t);
1429 } else {
1430 TCGv_i64 t0;
1431 tcg_gen_deposit_i64(fpu_f64[reg & ~1], fpu_f64[reg & ~1], t, 0, 32);
1432 t0 = tcg_temp_new_i64();
1433 tcg_gen_shri_i64(t0, t, 32);
1434 tcg_gen_deposit_i64(fpu_f64[reg | 1], fpu_f64[reg | 1], t0, 0, 32);
1435 }
1436 }
1437
get_fp_bit(int cc)1438 int get_fp_bit(int cc)
1439 {
1440 if (cc) {
1441 return 24 + cc;
1442 } else {
1443 return 23;
1444 }
1445 }
1446
1447 /* Addresses computation */
gen_op_addr_add(DisasContext * ctx,TCGv ret,TCGv arg0,TCGv arg1)1448 void gen_op_addr_add(DisasContext *ctx, TCGv ret, TCGv arg0, TCGv arg1)
1449 {
1450 tcg_gen_add_tl(ret, arg0, arg1);
1451
1452 #if defined(TARGET_MIPS64)
1453 if (ctx->hflags & MIPS_HFLAG_AWRAP) {
1454 tcg_gen_ext32s_i64(ret, ret);
1455 }
1456 #endif
1457 }
1458
gen_op_addr_addi(DisasContext * ctx,TCGv ret,TCGv base,target_long ofs)1459 static inline void gen_op_addr_addi(DisasContext *ctx, TCGv ret, TCGv base,
1460 target_long ofs)
1461 {
1462 tcg_gen_addi_tl(ret, base, ofs);
1463
1464 #if defined(TARGET_MIPS64)
1465 if (ctx->hflags & MIPS_HFLAG_AWRAP) {
1466 tcg_gen_ext32s_i64(ret, ret);
1467 }
1468 #endif
1469 }
1470
1471 /* Addresses computation (translation time) */
addr_add(DisasContext * ctx,target_long base,target_long offset)1472 static target_long addr_add(DisasContext *ctx, target_long base,
1473 target_long offset)
1474 {
1475 target_long sum = base + offset;
1476
1477 #if defined(TARGET_MIPS64)
1478 if (ctx->hflags & MIPS_HFLAG_AWRAP) {
1479 sum = (int32_t)sum;
1480 }
1481 #endif
1482 return sum;
1483 }
1484
1485 /* Sign-extract the low 32-bits to a target_long. */
gen_move_low32(TCGv ret,TCGv_i64 arg)1486 void gen_move_low32(TCGv ret, TCGv_i64 arg)
1487 {
1488 #if defined(TARGET_MIPS64)
1489 tcg_gen_ext32s_i64(ret, arg);
1490 #else
1491 tcg_gen_extrl_i64_i32(ret, arg);
1492 #endif
1493 }
1494
1495 /* Sign-extract the high 32-bits to a target_long. */
gen_move_high32(TCGv ret,TCGv_i64 arg)1496 void gen_move_high32(TCGv ret, TCGv_i64 arg)
1497 {
1498 #if defined(TARGET_MIPS64)
1499 tcg_gen_sari_i64(ret, arg, 32);
1500 #else
1501 tcg_gen_extrh_i64_i32(ret, arg);
1502 #endif
1503 }
1504
check_cp0_enabled(DisasContext * ctx)1505 bool check_cp0_enabled(DisasContext *ctx)
1506 {
1507 if (unlikely(!(ctx->hflags & MIPS_HFLAG_CP0))) {
1508 generate_exception_end(ctx, EXCP_CpU);
1509 return false;
1510 }
1511 return true;
1512 }
1513
check_cp1_enabled(DisasContext * ctx)1514 void check_cp1_enabled(DisasContext *ctx)
1515 {
1516 if (unlikely(!(ctx->hflags & MIPS_HFLAG_FPU))) {
1517 generate_exception_err(ctx, EXCP_CpU, 1);
1518 }
1519 }
1520
1521 /*
1522 * Verify that the processor is running with COP1X instructions enabled.
1523 * This is associated with the nabla symbol in the MIPS32 and MIPS64
1524 * opcode tables.
1525 */
check_cop1x(DisasContext * ctx)1526 void check_cop1x(DisasContext *ctx)
1527 {
1528 if (unlikely(!(ctx->hflags & MIPS_HFLAG_COP1X))) {
1529 gen_reserved_instruction(ctx);
1530 }
1531 }
1532
1533 /*
1534 * Verify that the processor is running with 64-bit floating-point
1535 * operations enabled.
1536 */
check_cp1_64bitmode(DisasContext * ctx)1537 void check_cp1_64bitmode(DisasContext *ctx)
1538 {
1539 if (unlikely(~ctx->hflags & MIPS_HFLAG_F64)) {
1540 gen_reserved_instruction(ctx);
1541 }
1542 }
1543
1544 /*
1545 * Verify if floating point register is valid; an operation is not defined
1546 * if bit 0 of any register specification is set and the FR bit in the
1547 * Status register equals zero, since the register numbers specify an
1548 * even-odd pair of adjacent coprocessor general registers. When the FR bit
1549 * in the Status register equals one, both even and odd register numbers
1550 * are valid. This limitation exists only for 64 bit wide (d,l,ps) registers.
1551 *
1552 * Multiple 64 bit wide registers can be checked by calling
1553 * gen_op_cp1_registers(freg1 | freg2 | ... | fregN);
1554 */
check_cp1_registers(DisasContext * ctx,int regs)1555 void check_cp1_registers(DisasContext *ctx, int regs)
1556 {
1557 if (unlikely(!(ctx->hflags & MIPS_HFLAG_F64) && (regs & 1))) {
1558 gen_reserved_instruction(ctx);
1559 }
1560 }
1561
1562 /*
1563 * Verify that the processor is running with DSP instructions enabled.
1564 * This is enabled by CP0 Status register MX(24) bit.
1565 */
check_dsp(DisasContext * ctx)1566 static inline void check_dsp(DisasContext *ctx)
1567 {
1568 if (unlikely(!(ctx->hflags & MIPS_HFLAG_DSP))) {
1569 if (ctx->insn_flags & ASE_DSP) {
1570 generate_exception_end(ctx, EXCP_DSPDIS);
1571 } else {
1572 gen_reserved_instruction(ctx);
1573 }
1574 }
1575 }
1576
check_dsp_r2(DisasContext * ctx)1577 static inline void check_dsp_r2(DisasContext *ctx)
1578 {
1579 if (unlikely(!(ctx->hflags & MIPS_HFLAG_DSP_R2))) {
1580 if (ctx->insn_flags & ASE_DSP) {
1581 generate_exception_end(ctx, EXCP_DSPDIS);
1582 } else {
1583 gen_reserved_instruction(ctx);
1584 }
1585 }
1586 }
1587
check_dsp_r3(DisasContext * ctx)1588 static inline void check_dsp_r3(DisasContext *ctx)
1589 {
1590 if (unlikely(!(ctx->hflags & MIPS_HFLAG_DSP_R3))) {
1591 if (ctx->insn_flags & ASE_DSP) {
1592 generate_exception_end(ctx, EXCP_DSPDIS);
1593 } else {
1594 gen_reserved_instruction(ctx);
1595 }
1596 }
1597 }
1598
1599 /*
1600 * This code generates a "reserved instruction" exception if the
1601 * CPU does not support the instruction set corresponding to flags.
1602 */
check_insn(DisasContext * ctx,uint64_t flags)1603 void check_insn(DisasContext *ctx, uint64_t flags)
1604 {
1605 if (unlikely(!(ctx->insn_flags & flags))) {
1606 gen_reserved_instruction(ctx);
1607 }
1608 }
1609
1610 /*
1611 * This code generates a "reserved instruction" exception if the
1612 * CPU has corresponding flag set which indicates that the instruction
1613 * has been removed.
1614 */
check_insn_opc_removed(DisasContext * ctx,uint64_t flags)1615 static inline void check_insn_opc_removed(DisasContext *ctx, uint64_t flags)
1616 {
1617 if (unlikely(ctx->insn_flags & flags)) {
1618 gen_reserved_instruction(ctx);
1619 }
1620 }
1621
1622 /*
1623 * The Linux kernel traps certain reserved instruction exceptions to
1624 * emulate the corresponding instructions. QEMU is the kernel in user
1625 * mode, so those traps are emulated by accepting the instructions.
1626 *
1627 * A reserved instruction exception is generated for flagged CPUs if
1628 * QEMU runs in system mode.
1629 */
check_insn_opc_user_only(DisasContext * ctx,uint64_t flags)1630 static inline void check_insn_opc_user_only(DisasContext *ctx, uint64_t flags)
1631 {
1632 #ifndef CONFIG_USER_ONLY
1633 check_insn_opc_removed(ctx, flags);
1634 #endif
1635 }
1636
1637 /*
1638 * This code generates a "reserved instruction" exception if the
1639 * CPU does not support 64-bit paired-single (PS) floating point data type.
1640 */
check_ps(DisasContext * ctx)1641 static inline void check_ps(DisasContext *ctx)
1642 {
1643 if (unlikely(!ctx->ps)) {
1644 generate_exception(ctx, EXCP_RI);
1645 }
1646 check_cp1_64bitmode(ctx);
1647 }
1648
1649 /*
1650 * This code generates a "reserved instruction" exception if cpu is not
1651 * 64-bit or 64-bit instructions are not enabled.
1652 */
check_mips_64(DisasContext * ctx)1653 void check_mips_64(DisasContext *ctx)
1654 {
1655 if (unlikely((TARGET_LONG_BITS != 64) || !(ctx->hflags & MIPS_HFLAG_64))) {
1656 gen_reserved_instruction(ctx);
1657 }
1658 }
1659
1660 #ifndef CONFIG_USER_ONLY
check_mvh(DisasContext * ctx)1661 static inline void check_mvh(DisasContext *ctx)
1662 {
1663 if (unlikely(!ctx->mvh)) {
1664 generate_exception(ctx, EXCP_RI);
1665 }
1666 }
1667 #endif
1668
1669 /*
1670 * This code generates a "reserved instruction" exception if the
1671 * Config5 XNP bit is set.
1672 */
check_xnp(DisasContext * ctx)1673 static inline void check_xnp(DisasContext *ctx)
1674 {
1675 if (unlikely(ctx->CP0_Config5 & (1 << CP0C5_XNP))) {
1676 gen_reserved_instruction(ctx);
1677 }
1678 }
1679
1680 #ifndef CONFIG_USER_ONLY
1681 /*
1682 * This code generates a "reserved instruction" exception if the
1683 * Config3 PW bit is NOT set.
1684 */
check_pw(DisasContext * ctx)1685 static inline void check_pw(DisasContext *ctx)
1686 {
1687 if (unlikely(!(ctx->CP0_Config3 & (1 << CP0C3_PW)))) {
1688 gen_reserved_instruction(ctx);
1689 }
1690 }
1691 #endif
1692
1693 /*
1694 * This code generates a "reserved instruction" exception if the
1695 * Config3 MT bit is NOT set.
1696 */
check_mt(DisasContext * ctx)1697 static inline void check_mt(DisasContext *ctx)
1698 {
1699 if (unlikely(!(ctx->CP0_Config3 & (1 << CP0C3_MT)))) {
1700 gen_reserved_instruction(ctx);
1701 }
1702 }
1703
1704 #ifndef CONFIG_USER_ONLY
1705 /*
1706 * This code generates a "coprocessor unusable" exception if CP0 is not
1707 * available, and, if that is not the case, generates a "reserved instruction"
1708 * exception if the Config5 MT bit is NOT set. This is needed for availability
1709 * control of some of MT ASE instructions.
1710 */
check_cp0_mt(DisasContext * ctx)1711 static inline void check_cp0_mt(DisasContext *ctx)
1712 {
1713 if (unlikely(!(ctx->hflags & MIPS_HFLAG_CP0))) {
1714 generate_exception_end(ctx, EXCP_CpU);
1715 } else {
1716 if (unlikely(!(ctx->CP0_Config3 & (1 << CP0C3_MT)))) {
1717 gen_reserved_instruction(ctx);
1718 }
1719 }
1720 }
1721 #endif
1722
1723 /*
1724 * This code generates a "reserved instruction" exception if the
1725 * Config5 NMS bit is set.
1726 */
check_nms(DisasContext * ctx)1727 static inline void check_nms(DisasContext *ctx)
1728 {
1729 if (unlikely(ctx->CP0_Config5 & (1 << CP0C5_NMS))) {
1730 gen_reserved_instruction(ctx);
1731 }
1732 }
1733
1734 /*
1735 * This code generates a "reserved instruction" exception if the
1736 * Config5 NMS bit is set, and Config1 DL, Config1 IL, Config2 SL,
1737 * Config2 TL, and Config5 L2C are unset.
1738 */
check_nms_dl_il_sl_tl_l2c(DisasContext * ctx)1739 static inline void check_nms_dl_il_sl_tl_l2c(DisasContext *ctx)
1740 {
1741 if (unlikely((ctx->CP0_Config5 & (1 << CP0C5_NMS)) &&
1742 !(ctx->CP0_Config1 & (1 << CP0C1_DL)) &&
1743 !(ctx->CP0_Config1 & (1 << CP0C1_IL)) &&
1744 !(ctx->CP0_Config2 & (1 << CP0C2_SL)) &&
1745 !(ctx->CP0_Config2 & (1 << CP0C2_TL)) &&
1746 !(ctx->CP0_Config5 & (1 << CP0C5_L2C)))) {
1747 gen_reserved_instruction(ctx);
1748 }
1749 }
1750
1751 /*
1752 * This code generates a "reserved instruction" exception if the
1753 * Config5 EVA bit is NOT set.
1754 */
check_eva(DisasContext * ctx)1755 static inline void check_eva(DisasContext *ctx)
1756 {
1757 if (unlikely(!(ctx->CP0_Config5 & (1 << CP0C5_EVA)))) {
1758 gen_reserved_instruction(ctx);
1759 }
1760 }
1761
1762
1763 /*
1764 * Define small wrappers for gen_load_fpr* so that we have a uniform
1765 * calling interface for 32 and 64-bit FPRs. No sense in changing
1766 * all callers for gen_load_fpr32 when we need the CTX parameter for
1767 * this one use.
1768 */
1769 #define gen_ldcmp_fpr32(ctx, x, y) gen_load_fpr32(ctx, x, y)
1770 #define gen_ldcmp_fpr64(ctx, x, y) gen_load_fpr64(ctx, x, y)
1771 #define FOP_CONDS(type, abs, fmt, ifmt, bits) \
1772 static inline void gen_cmp ## type ## _ ## fmt(DisasContext *ctx, int n, \
1773 int ft, int fs, int cc) \
1774 { \
1775 TCGv_i##bits fp0 = tcg_temp_new_i##bits(); \
1776 TCGv_i##bits fp1 = tcg_temp_new_i##bits(); \
1777 switch (ifmt) { \
1778 case FMT_PS: \
1779 check_ps(ctx); \
1780 break; \
1781 case FMT_D: \
1782 if (abs) { \
1783 check_cop1x(ctx); \
1784 } \
1785 check_cp1_registers(ctx, fs | ft); \
1786 break; \
1787 case FMT_S: \
1788 if (abs) { \
1789 check_cop1x(ctx); \
1790 } \
1791 break; \
1792 } \
1793 gen_ldcmp_fpr##bits(ctx, fp0, fs); \
1794 gen_ldcmp_fpr##bits(ctx, fp1, ft); \
1795 switch (n) { \
1796 case 0: \
1797 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _f, fp0, fp1, cc); \
1798 break; \
1799 case 1: \
1800 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _un, fp0, fp1, cc); \
1801 break; \
1802 case 2: \
1803 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _eq, fp0, fp1, cc); \
1804 break; \
1805 case 3: \
1806 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _ueq, fp0, fp1, cc); \
1807 break; \
1808 case 4: \
1809 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _olt, fp0, fp1, cc); \
1810 break; \
1811 case 5: \
1812 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _ult, fp0, fp1, cc); \
1813 break; \
1814 case 6: \
1815 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _ole, fp0, fp1, cc); \
1816 break; \
1817 case 7: \
1818 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _ule, fp0, fp1, cc); \
1819 break; \
1820 case 8: \
1821 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _sf, fp0, fp1, cc); \
1822 break; \
1823 case 9: \
1824 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _ngle, fp0, fp1, cc); \
1825 break; \
1826 case 10: \
1827 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _seq, fp0, fp1, cc); \
1828 break; \
1829 case 11: \
1830 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _ngl, fp0, fp1, cc); \
1831 break; \
1832 case 12: \
1833 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _lt, fp0, fp1, cc); \
1834 break; \
1835 case 13: \
1836 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _nge, fp0, fp1, cc); \
1837 break; \
1838 case 14: \
1839 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _le, fp0, fp1, cc); \
1840 break; \
1841 case 15: \
1842 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _ngt, fp0, fp1, cc); \
1843 break; \
1844 default: \
1845 abort(); \
1846 } \
1847 }
1848
1849 FOP_CONDS(, 0, d, FMT_D, 64)
1850 FOP_CONDS(abs, 1, d, FMT_D, 64)
1851 FOP_CONDS(, 0, s, FMT_S, 32)
1852 FOP_CONDS(abs, 1, s, FMT_S, 32)
1853 FOP_CONDS(, 0, ps, FMT_PS, 64)
1854 FOP_CONDS(abs, 1, ps, FMT_PS, 64)
1855 #undef FOP_CONDS
1856
1857 #define FOP_CONDNS(fmt, ifmt, bits, STORE) \
1858 static inline void gen_r6_cmp_ ## fmt(DisasContext *ctx, int n, \
1859 int ft, int fs, int fd) \
1860 { \
1861 TCGv_i ## bits fp0 = tcg_temp_new_i ## bits(); \
1862 TCGv_i ## bits fp1 = tcg_temp_new_i ## bits(); \
1863 if (ifmt == FMT_D) { \
1864 check_cp1_registers(ctx, fs | ft | fd); \
1865 } \
1866 gen_ldcmp_fpr ## bits(ctx, fp0, fs); \
1867 gen_ldcmp_fpr ## bits(ctx, fp1, ft); \
1868 switch (n) { \
1869 case 0: \
1870 gen_helper_r6_cmp_ ## fmt ## _af(fp0, tcg_env, fp0, fp1); \
1871 break; \
1872 case 1: \
1873 gen_helper_r6_cmp_ ## fmt ## _un(fp0, tcg_env, fp0, fp1); \
1874 break; \
1875 case 2: \
1876 gen_helper_r6_cmp_ ## fmt ## _eq(fp0, tcg_env, fp0, fp1); \
1877 break; \
1878 case 3: \
1879 gen_helper_r6_cmp_ ## fmt ## _ueq(fp0, tcg_env, fp0, fp1); \
1880 break; \
1881 case 4: \
1882 gen_helper_r6_cmp_ ## fmt ## _lt(fp0, tcg_env, fp0, fp1); \
1883 break; \
1884 case 5: \
1885 gen_helper_r6_cmp_ ## fmt ## _ult(fp0, tcg_env, fp0, fp1); \
1886 break; \
1887 case 6: \
1888 gen_helper_r6_cmp_ ## fmt ## _le(fp0, tcg_env, fp0, fp1); \
1889 break; \
1890 case 7: \
1891 gen_helper_r6_cmp_ ## fmt ## _ule(fp0, tcg_env, fp0, fp1); \
1892 break; \
1893 case 8: \
1894 gen_helper_r6_cmp_ ## fmt ## _saf(fp0, tcg_env, fp0, fp1); \
1895 break; \
1896 case 9: \
1897 gen_helper_r6_cmp_ ## fmt ## _sun(fp0, tcg_env, fp0, fp1); \
1898 break; \
1899 case 10: \
1900 gen_helper_r6_cmp_ ## fmt ## _seq(fp0, tcg_env, fp0, fp1); \
1901 break; \
1902 case 11: \
1903 gen_helper_r6_cmp_ ## fmt ## _sueq(fp0, tcg_env, fp0, fp1); \
1904 break; \
1905 case 12: \
1906 gen_helper_r6_cmp_ ## fmt ## _slt(fp0, tcg_env, fp0, fp1); \
1907 break; \
1908 case 13: \
1909 gen_helper_r6_cmp_ ## fmt ## _sult(fp0, tcg_env, fp0, fp1); \
1910 break; \
1911 case 14: \
1912 gen_helper_r6_cmp_ ## fmt ## _sle(fp0, tcg_env, fp0, fp1); \
1913 break; \
1914 case 15: \
1915 gen_helper_r6_cmp_ ## fmt ## _sule(fp0, tcg_env, fp0, fp1); \
1916 break; \
1917 case 17: \
1918 gen_helper_r6_cmp_ ## fmt ## _or(fp0, tcg_env, fp0, fp1); \
1919 break; \
1920 case 18: \
1921 gen_helper_r6_cmp_ ## fmt ## _une(fp0, tcg_env, fp0, fp1); \
1922 break; \
1923 case 19: \
1924 gen_helper_r6_cmp_ ## fmt ## _ne(fp0, tcg_env, fp0, fp1); \
1925 break; \
1926 case 25: \
1927 gen_helper_r6_cmp_ ## fmt ## _sor(fp0, tcg_env, fp0, fp1); \
1928 break; \
1929 case 26: \
1930 gen_helper_r6_cmp_ ## fmt ## _sune(fp0, tcg_env, fp0, fp1); \
1931 break; \
1932 case 27: \
1933 gen_helper_r6_cmp_ ## fmt ## _sne(fp0, tcg_env, fp0, fp1); \
1934 break; \
1935 default: \
1936 abort(); \
1937 } \
1938 STORE; \
1939 }
1940
1941 FOP_CONDNS(d, FMT_D, 64, gen_store_fpr64(ctx, fp0, fd))
1942 FOP_CONDNS(s, FMT_S, 32, gen_store_fpr32(ctx, fp0, fd))
1943 #undef FOP_CONDNS
1944 #undef gen_ldcmp_fpr32
1945 #undef gen_ldcmp_fpr64
1946
1947 /* load/store instructions. */
1948 #ifdef CONFIG_USER_ONLY
1949 #define OP_LD_ATOMIC(insn, memop) \
1950 static inline void op_ld_##insn(TCGv ret, TCGv arg1, int mem_idx, \
1951 DisasContext *ctx) \
1952 { \
1953 TCGv t0 = tcg_temp_new(); \
1954 tcg_gen_mov_tl(t0, arg1); \
1955 tcg_gen_qemu_ld_tl(ret, arg1, ctx->mem_idx, memop); \
1956 tcg_gen_st_tl(t0, tcg_env, offsetof(CPUMIPSState, lladdr)); \
1957 tcg_gen_st_tl(ret, tcg_env, offsetof(CPUMIPSState, llval)); \
1958 }
1959 #else
1960 #define OP_LD_ATOMIC(insn, fname) \
1961 static inline void op_ld_##insn(TCGv ret, TCGv arg1, int mem_idx, \
1962 DisasContext *ctx) \
1963 { \
1964 gen_helper_##insn(ret, tcg_env, arg1, tcg_constant_i32(mem_idx)); \
1965 }
1966 #endif
1967 OP_LD_ATOMIC(ll, MO_TESL);
1968 #if defined(TARGET_MIPS64)
1969 OP_LD_ATOMIC(lld, MO_TEUQ);
1970 #endif
1971 #undef OP_LD_ATOMIC
1972
gen_base_offset_addr(DisasContext * ctx,TCGv addr,int base,int offset)1973 void gen_base_offset_addr(DisasContext *ctx, TCGv addr, int base, int offset)
1974 {
1975 if (base == 0) {
1976 tcg_gen_movi_tl(addr, offset);
1977 } else if (offset == 0) {
1978 gen_load_gpr(addr, base);
1979 } else {
1980 tcg_gen_movi_tl(addr, offset);
1981 gen_op_addr_add(ctx, addr, cpu_gpr[base], addr);
1982 }
1983 }
1984
pc_relative_pc(DisasContext * ctx)1985 static target_ulong pc_relative_pc(DisasContext *ctx)
1986 {
1987 target_ulong pc = ctx->base.pc_next;
1988
1989 if (ctx->hflags & MIPS_HFLAG_BMASK) {
1990 int branch_bytes = ctx->hflags & MIPS_HFLAG_BDS16 ? 2 : 4;
1991
1992 pc -= branch_bytes;
1993 }
1994
1995 pc &= ~(target_ulong)3;
1996 return pc;
1997 }
1998
1999 /* LWL or LDL, depending on MemOp. */
gen_lxl(DisasContext * ctx,TCGv reg,TCGv addr,int mem_idx,MemOp mop)2000 static void gen_lxl(DisasContext *ctx, TCGv reg, TCGv addr,
2001 int mem_idx, MemOp mop)
2002 {
2003 int sizem1 = memop_size(mop) - 1;
2004 TCGv t0 = tcg_temp_new();
2005 TCGv t1 = tcg_temp_new();
2006
2007 /*
2008 * Do a byte access to possibly trigger a page
2009 * fault with the unaligned address.
2010 */
2011 tcg_gen_qemu_ld_tl(t1, addr, mem_idx, MO_UB);
2012 tcg_gen_andi_tl(t1, addr, sizem1);
2013 if (!cpu_is_bigendian(ctx)) {
2014 tcg_gen_xori_tl(t1, t1, sizem1);
2015 }
2016 tcg_gen_shli_tl(t1, t1, 3);
2017 tcg_gen_andi_tl(t0, addr, ~sizem1);
2018 tcg_gen_qemu_ld_tl(t0, t0, mem_idx, mop);
2019 tcg_gen_shl_tl(t0, t0, t1);
2020 tcg_gen_shl_tl(t1, tcg_constant_tl(-1), t1);
2021 tcg_gen_andc_tl(t1, reg, t1);
2022 tcg_gen_or_tl(reg, t0, t1);
2023 }
2024
2025 /* LWR or LDR, depending on MemOp. */
gen_lxr(DisasContext * ctx,TCGv reg,TCGv addr,int mem_idx,MemOp mop)2026 static void gen_lxr(DisasContext *ctx, TCGv reg, TCGv addr,
2027 int mem_idx, MemOp mop)
2028 {
2029 int size = memop_size(mop);
2030 int sizem1 = size - 1;
2031 TCGv t0 = tcg_temp_new();
2032 TCGv t1 = tcg_temp_new();
2033
2034 /*
2035 * Do a byte access to possibly trigger a page
2036 * fault with the unaligned address.
2037 */
2038 tcg_gen_qemu_ld_tl(t1, addr, mem_idx, MO_UB);
2039 tcg_gen_andi_tl(t1, addr, sizem1);
2040 if (cpu_is_bigendian(ctx)) {
2041 tcg_gen_xori_tl(t1, t1, sizem1);
2042 }
2043 tcg_gen_shli_tl(t1, t1, 3);
2044 tcg_gen_andi_tl(t0, addr, ~sizem1);
2045 tcg_gen_qemu_ld_tl(t0, t0, mem_idx, mop);
2046 tcg_gen_shr_tl(t0, t0, t1);
2047 tcg_gen_xori_tl(t1, t1, size * 8 - 1);
2048 tcg_gen_shl_tl(t1, tcg_constant_tl(~1), t1);
2049 tcg_gen_and_tl(t1, reg, t1);
2050 tcg_gen_or_tl(reg, t0, t1);
2051 }
2052
2053 /* Load */
gen_ld(DisasContext * ctx,uint32_t opc,int rt,int base,int offset)2054 static void gen_ld(DisasContext *ctx, uint32_t opc,
2055 int rt, int base, int offset)
2056 {
2057 TCGv t0, t1;
2058 int mem_idx = ctx->mem_idx;
2059
2060 if (rt == 0 && ctx->insn_flags & (INSN_LOONGSON2E | INSN_LOONGSON2F |
2061 INSN_LOONGSON3A)) {
2062 /*
2063 * Loongson CPU uses a load to zero register for prefetch.
2064 * We emulate it as a NOP. On other CPU we must perform the
2065 * actual memory access.
2066 */
2067 return;
2068 }
2069
2070 t0 = tcg_temp_new();
2071 gen_base_offset_addr(ctx, t0, base, offset);
2072
2073 switch (opc) {
2074 #if defined(TARGET_MIPS64)
2075 case OPC_LWU:
2076 tcg_gen_qemu_ld_tl(t0, t0, mem_idx, MO_TEUL |
2077 ctx->default_tcg_memop_mask);
2078 gen_store_gpr(t0, rt);
2079 break;
2080 case OPC_LD:
2081 tcg_gen_qemu_ld_tl(t0, t0, mem_idx, MO_TEUQ |
2082 ctx->default_tcg_memop_mask);
2083 gen_store_gpr(t0, rt);
2084 break;
2085 case OPC_LLD:
2086 case R6_OPC_LLD:
2087 op_ld_lld(t0, t0, mem_idx, ctx);
2088 gen_store_gpr(t0, rt);
2089 break;
2090 case OPC_LDL:
2091 t1 = tcg_temp_new();
2092 gen_load_gpr(t1, rt);
2093 gen_lxl(ctx, t1, t0, mem_idx, MO_TEUQ);
2094 gen_store_gpr(t1, rt);
2095 break;
2096 case OPC_LDR:
2097 t1 = tcg_temp_new();
2098 gen_load_gpr(t1, rt);
2099 gen_lxr(ctx, t1, t0, mem_idx, MO_TEUQ);
2100 gen_store_gpr(t1, rt);
2101 break;
2102 case OPC_LDPC:
2103 t1 = tcg_constant_tl(pc_relative_pc(ctx));
2104 gen_op_addr_add(ctx, t0, t0, t1);
2105 tcg_gen_qemu_ld_tl(t0, t0, mem_idx, MO_TEUQ);
2106 gen_store_gpr(t0, rt);
2107 break;
2108 #endif
2109 case OPC_LWPC:
2110 t1 = tcg_constant_tl(pc_relative_pc(ctx));
2111 gen_op_addr_add(ctx, t0, t0, t1);
2112 tcg_gen_qemu_ld_tl(t0, t0, mem_idx, MO_TESL);
2113 gen_store_gpr(t0, rt);
2114 break;
2115 case OPC_LWE:
2116 mem_idx = MIPS_HFLAG_UM;
2117 /* fall through */
2118 case OPC_LW:
2119 tcg_gen_qemu_ld_tl(t0, t0, mem_idx, MO_TESL |
2120 ctx->default_tcg_memop_mask);
2121 gen_store_gpr(t0, rt);
2122 break;
2123 case OPC_LHE:
2124 mem_idx = MIPS_HFLAG_UM;
2125 /* fall through */
2126 case OPC_LH:
2127 tcg_gen_qemu_ld_tl(t0, t0, mem_idx, MO_TESW |
2128 ctx->default_tcg_memop_mask);
2129 gen_store_gpr(t0, rt);
2130 break;
2131 case OPC_LHUE:
2132 mem_idx = MIPS_HFLAG_UM;
2133 /* fall through */
2134 case OPC_LHU:
2135 tcg_gen_qemu_ld_tl(t0, t0, mem_idx, MO_TEUW |
2136 ctx->default_tcg_memop_mask);
2137 gen_store_gpr(t0, rt);
2138 break;
2139 case OPC_LBE:
2140 mem_idx = MIPS_HFLAG_UM;
2141 /* fall through */
2142 case OPC_LB:
2143 tcg_gen_qemu_ld_tl(t0, t0, mem_idx, MO_SB);
2144 gen_store_gpr(t0, rt);
2145 break;
2146 case OPC_LBUE:
2147 mem_idx = MIPS_HFLAG_UM;
2148 /* fall through */
2149 case OPC_LBU:
2150 tcg_gen_qemu_ld_tl(t0, t0, mem_idx, MO_UB);
2151 gen_store_gpr(t0, rt);
2152 break;
2153 case OPC_LWLE:
2154 mem_idx = MIPS_HFLAG_UM;
2155 /* fall through */
2156 case OPC_LWL:
2157 t1 = tcg_temp_new();
2158 gen_load_gpr(t1, rt);
2159 gen_lxl(ctx, t1, t0, mem_idx, MO_TEUL);
2160 tcg_gen_ext32s_tl(t1, t1);
2161 gen_store_gpr(t1, rt);
2162 break;
2163 case OPC_LWRE:
2164 mem_idx = MIPS_HFLAG_UM;
2165 /* fall through */
2166 case OPC_LWR:
2167 t1 = tcg_temp_new();
2168 gen_load_gpr(t1, rt);
2169 gen_lxr(ctx, t1, t0, mem_idx, MO_TEUL);
2170 tcg_gen_ext32s_tl(t1, t1);
2171 gen_store_gpr(t1, rt);
2172 break;
2173 case OPC_LLE:
2174 mem_idx = MIPS_HFLAG_UM;
2175 /* fall through */
2176 case OPC_LL:
2177 case R6_OPC_LL:
2178 op_ld_ll(t0, t0, mem_idx, ctx);
2179 gen_store_gpr(t0, rt);
2180 break;
2181 }
2182 }
2183
2184 /* Store */
gen_st(DisasContext * ctx,uint32_t opc,int rt,int base,int offset)2185 static void gen_st(DisasContext *ctx, uint32_t opc, int rt,
2186 int base, int offset)
2187 {
2188 TCGv t0 = tcg_temp_new();
2189 TCGv t1 = tcg_temp_new();
2190 int mem_idx = ctx->mem_idx;
2191
2192 gen_base_offset_addr(ctx, t0, base, offset);
2193 gen_load_gpr(t1, rt);
2194 switch (opc) {
2195 #if defined(TARGET_MIPS64)
2196 case OPC_SD:
2197 tcg_gen_qemu_st_tl(t1, t0, mem_idx, MO_TEUQ |
2198 ctx->default_tcg_memop_mask);
2199 break;
2200 case OPC_SDL:
2201 gen_helper_0e2i(sdl, t1, t0, mem_idx);
2202 break;
2203 case OPC_SDR:
2204 gen_helper_0e2i(sdr, t1, t0, mem_idx);
2205 break;
2206 #endif
2207 case OPC_SWE:
2208 mem_idx = MIPS_HFLAG_UM;
2209 /* fall through */
2210 case OPC_SW:
2211 tcg_gen_qemu_st_tl(t1, t0, mem_idx, MO_TEUL |
2212 ctx->default_tcg_memop_mask);
2213 break;
2214 case OPC_SHE:
2215 mem_idx = MIPS_HFLAG_UM;
2216 /* fall through */
2217 case OPC_SH:
2218 tcg_gen_qemu_st_tl(t1, t0, mem_idx, MO_TEUW |
2219 ctx->default_tcg_memop_mask);
2220 break;
2221 case OPC_SBE:
2222 mem_idx = MIPS_HFLAG_UM;
2223 /* fall through */
2224 case OPC_SB:
2225 tcg_gen_qemu_st_tl(t1, t0, mem_idx, MO_8);
2226 break;
2227 case OPC_SWLE:
2228 mem_idx = MIPS_HFLAG_UM;
2229 /* fall through */
2230 case OPC_SWL:
2231 gen_helper_0e2i(swl, t1, t0, mem_idx);
2232 break;
2233 case OPC_SWRE:
2234 mem_idx = MIPS_HFLAG_UM;
2235 /* fall through */
2236 case OPC_SWR:
2237 gen_helper_0e2i(swr, t1, t0, mem_idx);
2238 break;
2239 }
2240 }
2241
2242
2243 /* Store conditional */
gen_st_cond(DisasContext * ctx,int rt,int base,int offset,MemOp tcg_mo,bool eva)2244 static void gen_st_cond(DisasContext *ctx, int rt, int base, int offset,
2245 MemOp tcg_mo, bool eva)
2246 {
2247 TCGv addr, t0, val;
2248 TCGLabel *l1 = gen_new_label();
2249 TCGLabel *done = gen_new_label();
2250
2251 t0 = tcg_temp_new();
2252 addr = tcg_temp_new();
2253 /* compare the address against that of the preceding LL */
2254 gen_base_offset_addr(ctx, addr, base, offset);
2255 tcg_gen_brcond_tl(TCG_COND_EQ, addr, cpu_lladdr, l1);
2256 tcg_gen_movi_tl(t0, 0);
2257 gen_store_gpr(t0, rt);
2258 tcg_gen_br(done);
2259
2260 gen_set_label(l1);
2261 /* generate cmpxchg */
2262 val = tcg_temp_new();
2263 gen_load_gpr(val, rt);
2264 tcg_gen_atomic_cmpxchg_tl(t0, cpu_lladdr, cpu_llval, val,
2265 eva ? MIPS_HFLAG_UM : ctx->mem_idx, tcg_mo);
2266 tcg_gen_setcond_tl(TCG_COND_EQ, t0, t0, cpu_llval);
2267 gen_store_gpr(t0, rt);
2268
2269 gen_set_label(done);
2270 }
2271
2272 /* Load and store */
gen_flt_ldst(DisasContext * ctx,uint32_t opc,int ft,TCGv t0)2273 static void gen_flt_ldst(DisasContext *ctx, uint32_t opc, int ft,
2274 TCGv t0)
2275 {
2276 /*
2277 * Don't do NOP if destination is zero: we must perform the actual
2278 * memory access.
2279 */
2280 switch (opc) {
2281 case OPC_LWC1:
2282 {
2283 TCGv_i32 fp0 = tcg_temp_new_i32();
2284 tcg_gen_qemu_ld_i32(fp0, t0, ctx->mem_idx, MO_TESL |
2285 ctx->default_tcg_memop_mask);
2286 gen_store_fpr32(ctx, fp0, ft);
2287 }
2288 break;
2289 case OPC_SWC1:
2290 {
2291 TCGv_i32 fp0 = tcg_temp_new_i32();
2292 gen_load_fpr32(ctx, fp0, ft);
2293 tcg_gen_qemu_st_i32(fp0, t0, ctx->mem_idx, MO_TEUL |
2294 ctx->default_tcg_memop_mask);
2295 }
2296 break;
2297 case OPC_LDC1:
2298 {
2299 TCGv_i64 fp0 = tcg_temp_new_i64();
2300 tcg_gen_qemu_ld_i64(fp0, t0, ctx->mem_idx, MO_TEUQ |
2301 ctx->default_tcg_memop_mask);
2302 gen_store_fpr64(ctx, fp0, ft);
2303 }
2304 break;
2305 case OPC_SDC1:
2306 {
2307 TCGv_i64 fp0 = tcg_temp_new_i64();
2308 gen_load_fpr64(ctx, fp0, ft);
2309 tcg_gen_qemu_st_i64(fp0, t0, ctx->mem_idx, MO_TEUQ |
2310 ctx->default_tcg_memop_mask);
2311 }
2312 break;
2313 default:
2314 MIPS_INVAL("flt_ldst");
2315 gen_reserved_instruction(ctx);
2316 break;
2317 }
2318 }
2319
gen_cop1_ldst(DisasContext * ctx,uint32_t op,int rt,int rs,int16_t imm)2320 static void gen_cop1_ldst(DisasContext *ctx, uint32_t op, int rt,
2321 int rs, int16_t imm)
2322 {
2323 TCGv t0 = tcg_temp_new();
2324
2325 if (ctx->CP0_Config1 & (1 << CP0C1_FP)) {
2326 check_cp1_enabled(ctx);
2327 switch (op) {
2328 case OPC_LDC1:
2329 case OPC_SDC1:
2330 check_insn(ctx, ISA_MIPS2);
2331 /* Fallthrough */
2332 default:
2333 gen_base_offset_addr(ctx, t0, rs, imm);
2334 gen_flt_ldst(ctx, op, rt, t0);
2335 }
2336 } else {
2337 generate_exception_err(ctx, EXCP_CpU, 1);
2338 }
2339 }
2340
2341 /* Arithmetic with immediate operand */
gen_arith_imm(DisasContext * ctx,uint32_t opc,int rt,int rs,int imm)2342 static void gen_arith_imm(DisasContext *ctx, uint32_t opc,
2343 int rt, int rs, int imm)
2344 {
2345 target_ulong uimm = (target_long)imm; /* Sign extend to 32/64 bits */
2346
2347 if (rt == 0 && opc != OPC_ADDI && opc != OPC_DADDI) {
2348 /*
2349 * If no destination, treat it as a NOP.
2350 * For addi, we must generate the overflow exception when needed.
2351 */
2352 return;
2353 }
2354 switch (opc) {
2355 case OPC_ADDI:
2356 {
2357 TCGv t0 = tcg_temp_new();
2358 TCGv t1 = tcg_temp_new();
2359 TCGv t2 = tcg_temp_new();
2360 TCGLabel *l1 = gen_new_label();
2361
2362 gen_load_gpr(t1, rs);
2363 tcg_gen_addi_tl(t0, t1, uimm);
2364 tcg_gen_ext32s_tl(t0, t0);
2365
2366 tcg_gen_xori_tl(t1, t1, ~uimm);
2367 tcg_gen_xori_tl(t2, t0, uimm);
2368 tcg_gen_and_tl(t1, t1, t2);
2369 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1);
2370 /* operands of same sign, result different sign */
2371 generate_exception(ctx, EXCP_OVERFLOW);
2372 gen_set_label(l1);
2373 tcg_gen_ext32s_tl(t0, t0);
2374 gen_store_gpr(t0, rt);
2375 }
2376 break;
2377 case OPC_ADDIU:
2378 if (rs != 0) {
2379 tcg_gen_addi_tl(cpu_gpr[rt], cpu_gpr[rs], uimm);
2380 tcg_gen_ext32s_tl(cpu_gpr[rt], cpu_gpr[rt]);
2381 } else {
2382 tcg_gen_movi_tl(cpu_gpr[rt], uimm);
2383 }
2384 break;
2385 #if defined(TARGET_MIPS64)
2386 case OPC_DADDI:
2387 {
2388 TCGv t0 = tcg_temp_new();
2389 TCGv t1 = tcg_temp_new();
2390 TCGv t2 = tcg_temp_new();
2391 TCGLabel *l1 = gen_new_label();
2392
2393 gen_load_gpr(t1, rs);
2394 tcg_gen_addi_tl(t0, t1, uimm);
2395
2396 tcg_gen_xori_tl(t1, t1, ~uimm);
2397 tcg_gen_xori_tl(t2, t0, uimm);
2398 tcg_gen_and_tl(t1, t1, t2);
2399 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1);
2400 /* operands of same sign, result different sign */
2401 generate_exception(ctx, EXCP_OVERFLOW);
2402 gen_set_label(l1);
2403 gen_store_gpr(t0, rt);
2404 }
2405 break;
2406 case OPC_DADDIU:
2407 if (rs != 0) {
2408 tcg_gen_addi_tl(cpu_gpr[rt], cpu_gpr[rs], uimm);
2409 } else {
2410 tcg_gen_movi_tl(cpu_gpr[rt], uimm);
2411 }
2412 break;
2413 #endif
2414 }
2415 }
2416
2417 /* Logic with immediate operand */
gen_logic_imm(DisasContext * ctx,uint32_t opc,int rt,int rs,int16_t imm)2418 static void gen_logic_imm(DisasContext *ctx, uint32_t opc,
2419 int rt, int rs, int16_t imm)
2420 {
2421 target_ulong uimm;
2422
2423 if (rt == 0) {
2424 /* If no destination, treat it as a NOP. */
2425 return;
2426 }
2427 uimm = (uint16_t)imm;
2428 switch (opc) {
2429 case OPC_ANDI:
2430 if (likely(rs != 0)) {
2431 tcg_gen_andi_tl(cpu_gpr[rt], cpu_gpr[rs], uimm);
2432 } else {
2433 tcg_gen_movi_tl(cpu_gpr[rt], 0);
2434 }
2435 break;
2436 case OPC_ORI:
2437 if (rs != 0) {
2438 tcg_gen_ori_tl(cpu_gpr[rt], cpu_gpr[rs], uimm);
2439 } else {
2440 tcg_gen_movi_tl(cpu_gpr[rt], uimm);
2441 }
2442 break;
2443 case OPC_XORI:
2444 if (likely(rs != 0)) {
2445 tcg_gen_xori_tl(cpu_gpr[rt], cpu_gpr[rs], uimm);
2446 } else {
2447 tcg_gen_movi_tl(cpu_gpr[rt], uimm);
2448 }
2449 break;
2450 case OPC_LUI:
2451 if (rs != 0 && (ctx->insn_flags & ISA_MIPS_R6)) {
2452 /* OPC_AUI */
2453 tcg_gen_addi_tl(cpu_gpr[rt], cpu_gpr[rs], imm << 16);
2454 tcg_gen_ext32s_tl(cpu_gpr[rt], cpu_gpr[rt]);
2455 } else {
2456 tcg_gen_movi_tl(cpu_gpr[rt], imm << 16);
2457 }
2458 break;
2459
2460 default:
2461 break;
2462 }
2463 }
2464
2465 /* Set on less than with immediate operand */
gen_slt_imm(DisasContext * ctx,uint32_t opc,int rt,int rs,int16_t imm)2466 static void gen_slt_imm(DisasContext *ctx, uint32_t opc,
2467 int rt, int rs, int16_t imm)
2468 {
2469 target_ulong uimm = (target_long)imm; /* Sign extend to 32/64 bits */
2470 TCGv t0;
2471
2472 if (rt == 0) {
2473 /* If no destination, treat it as a NOP. */
2474 return;
2475 }
2476 t0 = tcg_temp_new();
2477 gen_load_gpr(t0, rs);
2478 switch (opc) {
2479 case OPC_SLTI:
2480 tcg_gen_setcondi_tl(TCG_COND_LT, cpu_gpr[rt], t0, uimm);
2481 break;
2482 case OPC_SLTIU:
2483 tcg_gen_setcondi_tl(TCG_COND_LTU, cpu_gpr[rt], t0, uimm);
2484 break;
2485 }
2486 }
2487
2488 /* Shifts with immediate operand */
gen_shift_imm(DisasContext * ctx,uint32_t opc,int rt,int rs,int16_t imm)2489 static void gen_shift_imm(DisasContext *ctx, uint32_t opc,
2490 int rt, int rs, int16_t imm)
2491 {
2492 target_ulong uimm = ((uint16_t)imm) & 0x1f;
2493 TCGv t0;
2494
2495 if (rt == 0) {
2496 /* If no destination, treat it as a NOP. */
2497 return;
2498 }
2499
2500 t0 = tcg_temp_new();
2501 gen_load_gpr(t0, rs);
2502 switch (opc) {
2503 case OPC_SLL:
2504 tcg_gen_shli_tl(t0, t0, uimm);
2505 tcg_gen_ext32s_tl(cpu_gpr[rt], t0);
2506 break;
2507 case OPC_SRA:
2508 tcg_gen_sari_tl(cpu_gpr[rt], t0, uimm);
2509 break;
2510 case OPC_SRL:
2511 if (uimm != 0) {
2512 tcg_gen_ext32u_tl(t0, t0);
2513 tcg_gen_shri_tl(cpu_gpr[rt], t0, uimm);
2514 } else {
2515 tcg_gen_ext32s_tl(cpu_gpr[rt], t0);
2516 }
2517 break;
2518 case OPC_ROTR:
2519 if (uimm != 0) {
2520 TCGv_i32 t1 = tcg_temp_new_i32();
2521
2522 tcg_gen_trunc_tl_i32(t1, t0);
2523 tcg_gen_rotri_i32(t1, t1, uimm);
2524 tcg_gen_ext_i32_tl(cpu_gpr[rt], t1);
2525 } else {
2526 tcg_gen_ext32s_tl(cpu_gpr[rt], t0);
2527 }
2528 break;
2529 #if defined(TARGET_MIPS64)
2530 case OPC_DSLL:
2531 tcg_gen_shli_tl(cpu_gpr[rt], t0, uimm);
2532 break;
2533 case OPC_DSRA:
2534 tcg_gen_sari_tl(cpu_gpr[rt], t0, uimm);
2535 break;
2536 case OPC_DSRL:
2537 tcg_gen_shri_tl(cpu_gpr[rt], t0, uimm);
2538 break;
2539 case OPC_DROTR:
2540 if (uimm != 0) {
2541 tcg_gen_rotri_tl(cpu_gpr[rt], t0, uimm);
2542 } else {
2543 tcg_gen_mov_tl(cpu_gpr[rt], t0);
2544 }
2545 break;
2546 case OPC_DSLL32:
2547 tcg_gen_shli_tl(cpu_gpr[rt], t0, uimm + 32);
2548 break;
2549 case OPC_DSRA32:
2550 tcg_gen_sari_tl(cpu_gpr[rt], t0, uimm + 32);
2551 break;
2552 case OPC_DSRL32:
2553 tcg_gen_shri_tl(cpu_gpr[rt], t0, uimm + 32);
2554 break;
2555 case OPC_DROTR32:
2556 tcg_gen_rotri_tl(cpu_gpr[rt], t0, uimm + 32);
2557 break;
2558 #endif
2559 }
2560 }
2561
2562 /* Arithmetic */
gen_arith(DisasContext * ctx,uint32_t opc,int rd,int rs,int rt)2563 static void gen_arith(DisasContext *ctx, uint32_t opc,
2564 int rd, int rs, int rt)
2565 {
2566 if (rd == 0 && opc != OPC_ADD && opc != OPC_SUB
2567 && opc != OPC_DADD && opc != OPC_DSUB) {
2568 /*
2569 * If no destination, treat it as a NOP.
2570 * For add & sub, we must generate the overflow exception when needed.
2571 */
2572 return;
2573 }
2574
2575 switch (opc) {
2576 case OPC_ADD:
2577 {
2578 TCGv t0 = tcg_temp_new();
2579 TCGv t1 = tcg_temp_new();
2580 TCGv t2 = tcg_temp_new();
2581 TCGLabel *l1 = gen_new_label();
2582
2583 gen_load_gpr(t1, rs);
2584 gen_load_gpr(t2, rt);
2585 tcg_gen_add_tl(t0, t1, t2);
2586 tcg_gen_ext32s_tl(t0, t0);
2587 tcg_gen_xor_tl(t1, t1, t2);
2588 tcg_gen_xor_tl(t2, t0, t2);
2589 tcg_gen_andc_tl(t1, t2, t1);
2590 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1);
2591 /* operands of same sign, result different sign */
2592 generate_exception(ctx, EXCP_OVERFLOW);
2593 gen_set_label(l1);
2594 gen_store_gpr(t0, rd);
2595 }
2596 break;
2597 case OPC_ADDU:
2598 if (rs != 0 && rt != 0) {
2599 tcg_gen_add_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]);
2600 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
2601 } else if (rs == 0 && rt != 0) {
2602 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rt]);
2603 } else if (rs != 0 && rt == 0) {
2604 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]);
2605 } else {
2606 tcg_gen_movi_tl(cpu_gpr[rd], 0);
2607 }
2608 break;
2609 case OPC_SUB:
2610 {
2611 TCGv t0 = tcg_temp_new();
2612 TCGv t1 = tcg_temp_new();
2613 TCGv t2 = tcg_temp_new();
2614 TCGLabel *l1 = gen_new_label();
2615
2616 gen_load_gpr(t1, rs);
2617 gen_load_gpr(t2, rt);
2618 tcg_gen_sub_tl(t0, t1, t2);
2619 tcg_gen_ext32s_tl(t0, t0);
2620 tcg_gen_xor_tl(t2, t1, t2);
2621 tcg_gen_xor_tl(t1, t0, t1);
2622 tcg_gen_and_tl(t1, t1, t2);
2623 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1);
2624 /*
2625 * operands of different sign, first operand and the result
2626 * of different sign
2627 */
2628 generate_exception(ctx, EXCP_OVERFLOW);
2629 gen_set_label(l1);
2630 gen_store_gpr(t0, rd);
2631 }
2632 break;
2633 case OPC_SUBU:
2634 if (rs != 0 && rt != 0) {
2635 tcg_gen_sub_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]);
2636 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
2637 } else if (rs == 0 && rt != 0) {
2638 tcg_gen_neg_tl(cpu_gpr[rd], cpu_gpr[rt]);
2639 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
2640 } else if (rs != 0 && rt == 0) {
2641 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]);
2642 } else {
2643 tcg_gen_movi_tl(cpu_gpr[rd], 0);
2644 }
2645 break;
2646 #if defined(TARGET_MIPS64)
2647 case OPC_DADD:
2648 {
2649 TCGv t0 = tcg_temp_new();
2650 TCGv t1 = tcg_temp_new();
2651 TCGv t2 = tcg_temp_new();
2652 TCGLabel *l1 = gen_new_label();
2653
2654 gen_load_gpr(t1, rs);
2655 gen_load_gpr(t2, rt);
2656 tcg_gen_add_tl(t0, t1, t2);
2657 tcg_gen_xor_tl(t1, t1, t2);
2658 tcg_gen_xor_tl(t2, t0, t2);
2659 tcg_gen_andc_tl(t1, t2, t1);
2660 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1);
2661 /* operands of same sign, result different sign */
2662 generate_exception(ctx, EXCP_OVERFLOW);
2663 gen_set_label(l1);
2664 gen_store_gpr(t0, rd);
2665 }
2666 break;
2667 case OPC_DADDU:
2668 if (rs != 0 && rt != 0) {
2669 tcg_gen_add_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]);
2670 } else if (rs == 0 && rt != 0) {
2671 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rt]);
2672 } else if (rs != 0 && rt == 0) {
2673 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]);
2674 } else {
2675 tcg_gen_movi_tl(cpu_gpr[rd], 0);
2676 }
2677 break;
2678 case OPC_DSUB:
2679 {
2680 TCGv t0 = tcg_temp_new();
2681 TCGv t1 = tcg_temp_new();
2682 TCGv t2 = tcg_temp_new();
2683 TCGLabel *l1 = gen_new_label();
2684
2685 gen_load_gpr(t1, rs);
2686 gen_load_gpr(t2, rt);
2687 tcg_gen_sub_tl(t0, t1, t2);
2688 tcg_gen_xor_tl(t2, t1, t2);
2689 tcg_gen_xor_tl(t1, t0, t1);
2690 tcg_gen_and_tl(t1, t1, t2);
2691 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1);
2692 /*
2693 * Operands of different sign, first operand and result different
2694 * sign.
2695 */
2696 generate_exception(ctx, EXCP_OVERFLOW);
2697 gen_set_label(l1);
2698 gen_store_gpr(t0, rd);
2699 }
2700 break;
2701 case OPC_DSUBU:
2702 if (rs != 0 && rt != 0) {
2703 tcg_gen_sub_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]);
2704 } else if (rs == 0 && rt != 0) {
2705 tcg_gen_neg_tl(cpu_gpr[rd], cpu_gpr[rt]);
2706 } else if (rs != 0 && rt == 0) {
2707 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]);
2708 } else {
2709 tcg_gen_movi_tl(cpu_gpr[rd], 0);
2710 }
2711 break;
2712 #endif
2713 case OPC_MUL:
2714 if (likely(rs != 0 && rt != 0)) {
2715 tcg_gen_mul_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]);
2716 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
2717 } else {
2718 tcg_gen_movi_tl(cpu_gpr[rd], 0);
2719 }
2720 break;
2721 }
2722 }
2723
2724 /* Conditional move */
gen_cond_move(DisasContext * ctx,uint32_t opc,int rd,int rs,int rt)2725 static void gen_cond_move(DisasContext *ctx, uint32_t opc,
2726 int rd, int rs, int rt)
2727 {
2728 TCGv t0, t1, t2;
2729
2730 if (rd == 0) {
2731 /* If no destination, treat it as a NOP. */
2732 return;
2733 }
2734
2735 t0 = tcg_temp_new();
2736 gen_load_gpr(t0, rt);
2737 t1 = tcg_constant_tl(0);
2738 t2 = tcg_temp_new();
2739 gen_load_gpr(t2, rs);
2740 switch (opc) {
2741 case OPC_MOVN:
2742 tcg_gen_movcond_tl(TCG_COND_NE, cpu_gpr[rd], t0, t1, t2, cpu_gpr[rd]);
2743 break;
2744 case OPC_MOVZ:
2745 tcg_gen_movcond_tl(TCG_COND_EQ, cpu_gpr[rd], t0, t1, t2, cpu_gpr[rd]);
2746 break;
2747 case OPC_SELNEZ:
2748 tcg_gen_movcond_tl(TCG_COND_NE, cpu_gpr[rd], t0, t1, t2, t1);
2749 break;
2750 case OPC_SELEQZ:
2751 tcg_gen_movcond_tl(TCG_COND_EQ, cpu_gpr[rd], t0, t1, t2, t1);
2752 break;
2753 }
2754 }
2755
2756 /* Logic */
gen_logic(DisasContext * ctx,uint32_t opc,int rd,int rs,int rt)2757 static void gen_logic(DisasContext *ctx, uint32_t opc,
2758 int rd, int rs, int rt)
2759 {
2760 if (rd == 0) {
2761 /* If no destination, treat it as a NOP. */
2762 return;
2763 }
2764
2765 switch (opc) {
2766 case OPC_AND:
2767 if (likely(rs != 0 && rt != 0)) {
2768 tcg_gen_and_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]);
2769 } else {
2770 tcg_gen_movi_tl(cpu_gpr[rd], 0);
2771 }
2772 break;
2773 case OPC_NOR:
2774 if (rs != 0 && rt != 0) {
2775 tcg_gen_nor_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]);
2776 } else if (rs == 0 && rt != 0) {
2777 tcg_gen_not_tl(cpu_gpr[rd], cpu_gpr[rt]);
2778 } else if (rs != 0 && rt == 0) {
2779 tcg_gen_not_tl(cpu_gpr[rd], cpu_gpr[rs]);
2780 } else {
2781 tcg_gen_movi_tl(cpu_gpr[rd], ~((target_ulong)0));
2782 }
2783 break;
2784 case OPC_OR:
2785 if (likely(rs != 0 && rt != 0)) {
2786 tcg_gen_or_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]);
2787 } else if (rs == 0 && rt != 0) {
2788 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rt]);
2789 } else if (rs != 0 && rt == 0) {
2790 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]);
2791 } else {
2792 tcg_gen_movi_tl(cpu_gpr[rd], 0);
2793 }
2794 break;
2795 case OPC_XOR:
2796 if (likely(rs != 0 && rt != 0)) {
2797 tcg_gen_xor_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]);
2798 } else if (rs == 0 && rt != 0) {
2799 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rt]);
2800 } else if (rs != 0 && rt == 0) {
2801 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]);
2802 } else {
2803 tcg_gen_movi_tl(cpu_gpr[rd], 0);
2804 }
2805 break;
2806 }
2807 }
2808
2809 /* Set on lower than */
gen_slt(DisasContext * ctx,uint32_t opc,int rd,int rs,int rt)2810 static void gen_slt(DisasContext *ctx, uint32_t opc,
2811 int rd, int rs, int rt)
2812 {
2813 TCGv t0, t1;
2814
2815 if (rd == 0) {
2816 /* If no destination, treat it as a NOP. */
2817 return;
2818 }
2819
2820 t0 = tcg_temp_new();
2821 t1 = tcg_temp_new();
2822 gen_load_gpr(t0, rs);
2823 gen_load_gpr(t1, rt);
2824 switch (opc) {
2825 case OPC_SLT:
2826 tcg_gen_setcond_tl(TCG_COND_LT, cpu_gpr[rd], t0, t1);
2827 break;
2828 case OPC_SLTU:
2829 tcg_gen_setcond_tl(TCG_COND_LTU, cpu_gpr[rd], t0, t1);
2830 break;
2831 }
2832 }
2833
2834 /* Shifts */
gen_shift(DisasContext * ctx,uint32_t opc,int rd,int rs,int rt)2835 static void gen_shift(DisasContext *ctx, uint32_t opc,
2836 int rd, int rs, int rt)
2837 {
2838 TCGv t0, t1;
2839
2840 if (rd == 0) {
2841 /*
2842 * If no destination, treat it as a NOP.
2843 * For add & sub, we must generate the overflow exception when needed.
2844 */
2845 return;
2846 }
2847
2848 t0 = tcg_temp_new();
2849 t1 = tcg_temp_new();
2850 gen_load_gpr(t0, rs);
2851 gen_load_gpr(t1, rt);
2852 switch (opc) {
2853 case OPC_SLLV:
2854 tcg_gen_andi_tl(t0, t0, 0x1f);
2855 tcg_gen_shl_tl(t0, t1, t0);
2856 tcg_gen_ext32s_tl(cpu_gpr[rd], t0);
2857 break;
2858 case OPC_SRAV:
2859 tcg_gen_andi_tl(t0, t0, 0x1f);
2860 tcg_gen_sar_tl(cpu_gpr[rd], t1, t0);
2861 break;
2862 case OPC_SRLV:
2863 tcg_gen_ext32u_tl(t1, t1);
2864 tcg_gen_andi_tl(t0, t0, 0x1f);
2865 tcg_gen_shr_tl(t0, t1, t0);
2866 tcg_gen_ext32s_tl(cpu_gpr[rd], t0);
2867 break;
2868 case OPC_ROTRV:
2869 {
2870 TCGv_i32 t2 = tcg_temp_new_i32();
2871 TCGv_i32 t3 = tcg_temp_new_i32();
2872
2873 tcg_gen_trunc_tl_i32(t2, t0);
2874 tcg_gen_trunc_tl_i32(t3, t1);
2875 tcg_gen_andi_i32(t2, t2, 0x1f);
2876 tcg_gen_rotr_i32(t2, t3, t2);
2877 tcg_gen_ext_i32_tl(cpu_gpr[rd], t2);
2878 }
2879 break;
2880 #if defined(TARGET_MIPS64)
2881 case OPC_DSLLV:
2882 tcg_gen_andi_tl(t0, t0, 0x3f);
2883 tcg_gen_shl_tl(cpu_gpr[rd], t1, t0);
2884 break;
2885 case OPC_DSRAV:
2886 tcg_gen_andi_tl(t0, t0, 0x3f);
2887 tcg_gen_sar_tl(cpu_gpr[rd], t1, t0);
2888 break;
2889 case OPC_DSRLV:
2890 tcg_gen_andi_tl(t0, t0, 0x3f);
2891 tcg_gen_shr_tl(cpu_gpr[rd], t1, t0);
2892 break;
2893 case OPC_DROTRV:
2894 tcg_gen_andi_tl(t0, t0, 0x3f);
2895 tcg_gen_rotr_tl(cpu_gpr[rd], t1, t0);
2896 break;
2897 #endif
2898 }
2899 }
2900
2901 /* Arithmetic on HI/LO registers */
gen_HILO(DisasContext * ctx,uint32_t opc,int acc,int reg)2902 static void gen_HILO(DisasContext *ctx, uint32_t opc, int acc, int reg)
2903 {
2904 if (reg == 0 && (opc == OPC_MFHI || opc == OPC_MFLO)) {
2905 /* Treat as NOP. */
2906 return;
2907 }
2908
2909 if (acc != 0) {
2910 check_dsp(ctx);
2911 }
2912
2913 switch (opc) {
2914 case OPC_MFHI:
2915 #if defined(TARGET_MIPS64)
2916 if (acc != 0) {
2917 tcg_gen_ext32s_tl(cpu_gpr[reg], cpu_HI[acc]);
2918 } else
2919 #endif
2920 {
2921 tcg_gen_mov_tl(cpu_gpr[reg], cpu_HI[acc]);
2922 }
2923 break;
2924 case OPC_MFLO:
2925 #if defined(TARGET_MIPS64)
2926 if (acc != 0) {
2927 tcg_gen_ext32s_tl(cpu_gpr[reg], cpu_LO[acc]);
2928 } else
2929 #endif
2930 {
2931 tcg_gen_mov_tl(cpu_gpr[reg], cpu_LO[acc]);
2932 }
2933 break;
2934 case OPC_MTHI:
2935 if (reg != 0) {
2936 #if defined(TARGET_MIPS64)
2937 if (acc != 0) {
2938 tcg_gen_ext32s_tl(cpu_HI[acc], cpu_gpr[reg]);
2939 } else
2940 #endif
2941 {
2942 tcg_gen_mov_tl(cpu_HI[acc], cpu_gpr[reg]);
2943 }
2944 } else {
2945 tcg_gen_movi_tl(cpu_HI[acc], 0);
2946 }
2947 break;
2948 case OPC_MTLO:
2949 if (reg != 0) {
2950 #if defined(TARGET_MIPS64)
2951 if (acc != 0) {
2952 tcg_gen_ext32s_tl(cpu_LO[acc], cpu_gpr[reg]);
2953 } else
2954 #endif
2955 {
2956 tcg_gen_mov_tl(cpu_LO[acc], cpu_gpr[reg]);
2957 }
2958 } else {
2959 tcg_gen_movi_tl(cpu_LO[acc], 0);
2960 }
2961 break;
2962 }
2963 }
2964
gen_r6_ld(target_long addr,int reg,int memidx,MemOp memop)2965 static inline void gen_r6_ld(target_long addr, int reg, int memidx,
2966 MemOp memop)
2967 {
2968 TCGv t0 = tcg_temp_new();
2969 tcg_gen_qemu_ld_tl(t0, tcg_constant_tl(addr), memidx, memop);
2970 gen_store_gpr(t0, reg);
2971 }
2972
gen_pcrel(DisasContext * ctx,int opc,target_ulong pc,int rs)2973 static inline void gen_pcrel(DisasContext *ctx, int opc, target_ulong pc,
2974 int rs)
2975 {
2976 target_long offset;
2977 target_long addr;
2978
2979 switch (MASK_OPC_PCREL_TOP2BITS(opc)) {
2980 case OPC_ADDIUPC:
2981 if (rs != 0) {
2982 offset = sextract32(ctx->opcode << 2, 0, 21);
2983 addr = addr_add(ctx, pc, offset);
2984 tcg_gen_movi_tl(cpu_gpr[rs], addr);
2985 }
2986 break;
2987 case R6_OPC_LWPC:
2988 offset = sextract32(ctx->opcode << 2, 0, 21);
2989 addr = addr_add(ctx, pc, offset);
2990 gen_r6_ld(addr, rs, ctx->mem_idx, MO_TESL);
2991 break;
2992 #if defined(TARGET_MIPS64)
2993 case OPC_LWUPC:
2994 check_mips_64(ctx);
2995 offset = sextract32(ctx->opcode << 2, 0, 21);
2996 addr = addr_add(ctx, pc, offset);
2997 gen_r6_ld(addr, rs, ctx->mem_idx, MO_TEUL);
2998 break;
2999 #endif
3000 default:
3001 switch (MASK_OPC_PCREL_TOP5BITS(opc)) {
3002 case OPC_AUIPC:
3003 if (rs != 0) {
3004 offset = sextract32(ctx->opcode, 0, 16) << 16;
3005 addr = addr_add(ctx, pc, offset);
3006 tcg_gen_movi_tl(cpu_gpr[rs], addr);
3007 }
3008 break;
3009 case OPC_ALUIPC:
3010 if (rs != 0) {
3011 offset = sextract32(ctx->opcode, 0, 16) << 16;
3012 addr = ~0xFFFF & addr_add(ctx, pc, offset);
3013 tcg_gen_movi_tl(cpu_gpr[rs], addr);
3014 }
3015 break;
3016 #if defined(TARGET_MIPS64)
3017 case R6_OPC_LDPC: /* bits 16 and 17 are part of immediate */
3018 case R6_OPC_LDPC + (1 << 16):
3019 case R6_OPC_LDPC + (2 << 16):
3020 case R6_OPC_LDPC + (3 << 16):
3021 check_mips_64(ctx);
3022 offset = sextract32(ctx->opcode << 3, 0, 21);
3023 addr = addr_add(ctx, (pc & ~0x7), offset);
3024 gen_r6_ld(addr, rs, ctx->mem_idx, MO_TEUQ);
3025 break;
3026 #endif
3027 default:
3028 MIPS_INVAL("OPC_PCREL");
3029 gen_reserved_instruction(ctx);
3030 break;
3031 }
3032 break;
3033 }
3034 }
3035
gen_r6_muldiv(DisasContext * ctx,int opc,int rd,int rs,int rt)3036 static void gen_r6_muldiv(DisasContext *ctx, int opc, int rd, int rs, int rt)
3037 {
3038 TCGv t0, t1;
3039
3040 if (rd == 0) {
3041 /* Treat as NOP. */
3042 return;
3043 }
3044
3045 t0 = tcg_temp_new();
3046 t1 = tcg_temp_new();
3047
3048 gen_load_gpr(t0, rs);
3049 gen_load_gpr(t1, rt);
3050
3051 switch (opc) {
3052 case R6_OPC_DIV:
3053 {
3054 TCGv t2 = tcg_temp_new();
3055 TCGv t3 = tcg_temp_new();
3056 tcg_gen_ext32s_tl(t0, t0);
3057 tcg_gen_ext32s_tl(t1, t1);
3058 tcg_gen_setcondi_tl(TCG_COND_EQ, t2, t0, INT_MIN);
3059 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, -1);
3060 tcg_gen_and_tl(t2, t2, t3);
3061 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, 0);
3062 tcg_gen_or_tl(t2, t2, t3);
3063 tcg_gen_movi_tl(t3, 0);
3064 tcg_gen_movcond_tl(TCG_COND_NE, t1, t2, t3, t2, t1);
3065 tcg_gen_div_tl(cpu_gpr[rd], t0, t1);
3066 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
3067 }
3068 break;
3069 case R6_OPC_MOD:
3070 {
3071 TCGv t2 = tcg_temp_new();
3072 TCGv t3 = tcg_temp_new();
3073 tcg_gen_ext32s_tl(t0, t0);
3074 tcg_gen_ext32s_tl(t1, t1);
3075 tcg_gen_setcondi_tl(TCG_COND_EQ, t2, t0, INT_MIN);
3076 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, -1);
3077 tcg_gen_and_tl(t2, t2, t3);
3078 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, 0);
3079 tcg_gen_or_tl(t2, t2, t3);
3080 tcg_gen_movi_tl(t3, 0);
3081 tcg_gen_movcond_tl(TCG_COND_NE, t1, t2, t3, t2, t1);
3082 tcg_gen_rem_tl(cpu_gpr[rd], t0, t1);
3083 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
3084 }
3085 break;
3086 case R6_OPC_DIVU:
3087 {
3088 TCGv t2 = tcg_constant_tl(0);
3089 TCGv t3 = tcg_constant_tl(1);
3090 tcg_gen_ext32u_tl(t0, t0);
3091 tcg_gen_ext32u_tl(t1, t1);
3092 tcg_gen_movcond_tl(TCG_COND_EQ, t1, t1, t2, t3, t1);
3093 tcg_gen_divu_tl(cpu_gpr[rd], t0, t1);
3094 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
3095 }
3096 break;
3097 case R6_OPC_MODU:
3098 {
3099 TCGv t2 = tcg_constant_tl(0);
3100 TCGv t3 = tcg_constant_tl(1);
3101 tcg_gen_ext32u_tl(t0, t0);
3102 tcg_gen_ext32u_tl(t1, t1);
3103 tcg_gen_movcond_tl(TCG_COND_EQ, t1, t1, t2, t3, t1);
3104 tcg_gen_remu_tl(cpu_gpr[rd], t0, t1);
3105 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
3106 }
3107 break;
3108 case R6_OPC_MUL:
3109 {
3110 TCGv_i32 t2 = tcg_temp_new_i32();
3111 TCGv_i32 t3 = tcg_temp_new_i32();
3112 tcg_gen_trunc_tl_i32(t2, t0);
3113 tcg_gen_trunc_tl_i32(t3, t1);
3114 tcg_gen_mul_i32(t2, t2, t3);
3115 tcg_gen_ext_i32_tl(cpu_gpr[rd], t2);
3116 }
3117 break;
3118 case R6_OPC_MUH:
3119 {
3120 TCGv_i32 t2 = tcg_temp_new_i32();
3121 TCGv_i32 t3 = tcg_temp_new_i32();
3122 tcg_gen_trunc_tl_i32(t2, t0);
3123 tcg_gen_trunc_tl_i32(t3, t1);
3124 tcg_gen_muls2_i32(t2, t3, t2, t3);
3125 tcg_gen_ext_i32_tl(cpu_gpr[rd], t3);
3126 }
3127 break;
3128 case R6_OPC_MULU:
3129 {
3130 TCGv_i32 t2 = tcg_temp_new_i32();
3131 TCGv_i32 t3 = tcg_temp_new_i32();
3132 tcg_gen_trunc_tl_i32(t2, t0);
3133 tcg_gen_trunc_tl_i32(t3, t1);
3134 tcg_gen_mul_i32(t2, t2, t3);
3135 tcg_gen_ext_i32_tl(cpu_gpr[rd], t2);
3136 }
3137 break;
3138 case R6_OPC_MUHU:
3139 {
3140 TCGv_i32 t2 = tcg_temp_new_i32();
3141 TCGv_i32 t3 = tcg_temp_new_i32();
3142 tcg_gen_trunc_tl_i32(t2, t0);
3143 tcg_gen_trunc_tl_i32(t3, t1);
3144 tcg_gen_mulu2_i32(t2, t3, t2, t3);
3145 tcg_gen_ext_i32_tl(cpu_gpr[rd], t3);
3146 }
3147 break;
3148 #if defined(TARGET_MIPS64)
3149 case R6_OPC_DDIV:
3150 {
3151 TCGv t2 = tcg_temp_new();
3152 TCGv t3 = tcg_temp_new();
3153 tcg_gen_setcondi_tl(TCG_COND_EQ, t2, t0, -1LL << 63);
3154 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, -1LL);
3155 tcg_gen_and_tl(t2, t2, t3);
3156 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, 0);
3157 tcg_gen_or_tl(t2, t2, t3);
3158 tcg_gen_movi_tl(t3, 0);
3159 tcg_gen_movcond_tl(TCG_COND_NE, t1, t2, t3, t2, t1);
3160 tcg_gen_div_tl(cpu_gpr[rd], t0, t1);
3161 }
3162 break;
3163 case R6_OPC_DMOD:
3164 {
3165 TCGv t2 = tcg_temp_new();
3166 TCGv t3 = tcg_temp_new();
3167 tcg_gen_setcondi_tl(TCG_COND_EQ, t2, t0, -1LL << 63);
3168 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, -1LL);
3169 tcg_gen_and_tl(t2, t2, t3);
3170 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, 0);
3171 tcg_gen_or_tl(t2, t2, t3);
3172 tcg_gen_movi_tl(t3, 0);
3173 tcg_gen_movcond_tl(TCG_COND_NE, t1, t2, t3, t2, t1);
3174 tcg_gen_rem_tl(cpu_gpr[rd], t0, t1);
3175 }
3176 break;
3177 case R6_OPC_DDIVU:
3178 {
3179 TCGv t2 = tcg_constant_tl(0);
3180 TCGv t3 = tcg_constant_tl(1);
3181 tcg_gen_movcond_tl(TCG_COND_EQ, t1, t1, t2, t3, t1);
3182 tcg_gen_divu_i64(cpu_gpr[rd], t0, t1);
3183 }
3184 break;
3185 case R6_OPC_DMODU:
3186 {
3187 TCGv t2 = tcg_constant_tl(0);
3188 TCGv t3 = tcg_constant_tl(1);
3189 tcg_gen_movcond_tl(TCG_COND_EQ, t1, t1, t2, t3, t1);
3190 tcg_gen_remu_i64(cpu_gpr[rd], t0, t1);
3191 }
3192 break;
3193 case R6_OPC_DMUL:
3194 tcg_gen_mul_i64(cpu_gpr[rd], t0, t1);
3195 break;
3196 case R6_OPC_DMUH:
3197 {
3198 TCGv t2 = tcg_temp_new();
3199 tcg_gen_muls2_i64(t2, cpu_gpr[rd], t0, t1);
3200 }
3201 break;
3202 case R6_OPC_DMULU:
3203 tcg_gen_mul_i64(cpu_gpr[rd], t0, t1);
3204 break;
3205 case R6_OPC_DMUHU:
3206 {
3207 TCGv t2 = tcg_temp_new();
3208 tcg_gen_mulu2_i64(t2, cpu_gpr[rd], t0, t1);
3209 }
3210 break;
3211 #endif
3212 default:
3213 MIPS_INVAL("r6 mul/div");
3214 gen_reserved_instruction(ctx);
3215 break;
3216 }
3217 }
3218
3219 #if defined(TARGET_MIPS64)
gen_div1_tx79(DisasContext * ctx,uint32_t opc,int rs,int rt)3220 static void gen_div1_tx79(DisasContext *ctx, uint32_t opc, int rs, int rt)
3221 {
3222 TCGv t0, t1;
3223
3224 t0 = tcg_temp_new();
3225 t1 = tcg_temp_new();
3226
3227 gen_load_gpr(t0, rs);
3228 gen_load_gpr(t1, rt);
3229
3230 switch (opc) {
3231 case MMI_OPC_DIV1:
3232 {
3233 TCGv t2 = tcg_temp_new();
3234 TCGv t3 = tcg_temp_new();
3235 tcg_gen_ext32s_tl(t0, t0);
3236 tcg_gen_ext32s_tl(t1, t1);
3237 tcg_gen_setcondi_tl(TCG_COND_EQ, t2, t0, INT_MIN);
3238 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, -1);
3239 tcg_gen_and_tl(t2, t2, t3);
3240 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, 0);
3241 tcg_gen_or_tl(t2, t2, t3);
3242 tcg_gen_movi_tl(t3, 0);
3243 tcg_gen_movcond_tl(TCG_COND_NE, t1, t2, t3, t2, t1);
3244 tcg_gen_div_tl(cpu_LO[1], t0, t1);
3245 tcg_gen_rem_tl(cpu_HI[1], t0, t1);
3246 tcg_gen_ext32s_tl(cpu_LO[1], cpu_LO[1]);
3247 tcg_gen_ext32s_tl(cpu_HI[1], cpu_HI[1]);
3248 }
3249 break;
3250 case MMI_OPC_DIVU1:
3251 {
3252 TCGv t2 = tcg_constant_tl(0);
3253 TCGv t3 = tcg_constant_tl(1);
3254 tcg_gen_ext32u_tl(t0, t0);
3255 tcg_gen_ext32u_tl(t1, t1);
3256 tcg_gen_movcond_tl(TCG_COND_EQ, t1, t1, t2, t3, t1);
3257 tcg_gen_divu_tl(cpu_LO[1], t0, t1);
3258 tcg_gen_remu_tl(cpu_HI[1], t0, t1);
3259 tcg_gen_ext32s_tl(cpu_LO[1], cpu_LO[1]);
3260 tcg_gen_ext32s_tl(cpu_HI[1], cpu_HI[1]);
3261 }
3262 break;
3263 default:
3264 MIPS_INVAL("div1 TX79");
3265 gen_reserved_instruction(ctx);
3266 break;
3267 }
3268 }
3269 #endif
3270
gen_muldiv(DisasContext * ctx,uint32_t opc,int acc,int rs,int rt)3271 static void gen_muldiv(DisasContext *ctx, uint32_t opc,
3272 int acc, int rs, int rt)
3273 {
3274 TCGv t0, t1;
3275
3276 t0 = tcg_temp_new();
3277 t1 = tcg_temp_new();
3278
3279 gen_load_gpr(t0, rs);
3280 gen_load_gpr(t1, rt);
3281
3282 if (acc != 0) {
3283 check_dsp(ctx);
3284 }
3285
3286 switch (opc) {
3287 case OPC_DIV:
3288 {
3289 TCGv t2 = tcg_temp_new();
3290 TCGv t3 = tcg_temp_new();
3291 tcg_gen_ext32s_tl(t0, t0);
3292 tcg_gen_ext32s_tl(t1, t1);
3293 tcg_gen_setcondi_tl(TCG_COND_EQ, t2, t0, INT_MIN);
3294 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, -1);
3295 tcg_gen_and_tl(t2, t2, t3);
3296 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, 0);
3297 tcg_gen_or_tl(t2, t2, t3);
3298 tcg_gen_movi_tl(t3, 0);
3299 tcg_gen_movcond_tl(TCG_COND_NE, t1, t2, t3, t2, t1);
3300 tcg_gen_div_tl(cpu_LO[acc], t0, t1);
3301 tcg_gen_rem_tl(cpu_HI[acc], t0, t1);
3302 tcg_gen_ext32s_tl(cpu_LO[acc], cpu_LO[acc]);
3303 tcg_gen_ext32s_tl(cpu_HI[acc], cpu_HI[acc]);
3304 }
3305 break;
3306 case OPC_DIVU:
3307 {
3308 TCGv t2 = tcg_constant_tl(0);
3309 TCGv t3 = tcg_constant_tl(1);
3310 tcg_gen_ext32u_tl(t0, t0);
3311 tcg_gen_ext32u_tl(t1, t1);
3312 tcg_gen_movcond_tl(TCG_COND_EQ, t1, t1, t2, t3, t1);
3313 tcg_gen_divu_tl(cpu_LO[acc], t0, t1);
3314 tcg_gen_remu_tl(cpu_HI[acc], t0, t1);
3315 tcg_gen_ext32s_tl(cpu_LO[acc], cpu_LO[acc]);
3316 tcg_gen_ext32s_tl(cpu_HI[acc], cpu_HI[acc]);
3317 }
3318 break;
3319 case OPC_MULT:
3320 {
3321 TCGv_i32 t2 = tcg_temp_new_i32();
3322 TCGv_i32 t3 = tcg_temp_new_i32();
3323 tcg_gen_trunc_tl_i32(t2, t0);
3324 tcg_gen_trunc_tl_i32(t3, t1);
3325 tcg_gen_muls2_i32(t2, t3, t2, t3);
3326 tcg_gen_ext_i32_tl(cpu_LO[acc], t2);
3327 tcg_gen_ext_i32_tl(cpu_HI[acc], t3);
3328 }
3329 break;
3330 case OPC_MULTU:
3331 {
3332 TCGv_i32 t2 = tcg_temp_new_i32();
3333 TCGv_i32 t3 = tcg_temp_new_i32();
3334 tcg_gen_trunc_tl_i32(t2, t0);
3335 tcg_gen_trunc_tl_i32(t3, t1);
3336 tcg_gen_mulu2_i32(t2, t3, t2, t3);
3337 tcg_gen_ext_i32_tl(cpu_LO[acc], t2);
3338 tcg_gen_ext_i32_tl(cpu_HI[acc], t3);
3339 }
3340 break;
3341 #if defined(TARGET_MIPS64)
3342 case OPC_DDIV:
3343 {
3344 TCGv t2 = tcg_temp_new();
3345 TCGv t3 = tcg_temp_new();
3346 tcg_gen_setcondi_tl(TCG_COND_EQ, t2, t0, -1LL << 63);
3347 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, -1LL);
3348 tcg_gen_and_tl(t2, t2, t3);
3349 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, 0);
3350 tcg_gen_or_tl(t2, t2, t3);
3351 tcg_gen_movi_tl(t3, 0);
3352 tcg_gen_movcond_tl(TCG_COND_NE, t1, t2, t3, t2, t1);
3353 tcg_gen_div_tl(cpu_LO[acc], t0, t1);
3354 tcg_gen_rem_tl(cpu_HI[acc], t0, t1);
3355 }
3356 break;
3357 case OPC_DDIVU:
3358 {
3359 TCGv t2 = tcg_constant_tl(0);
3360 TCGv t3 = tcg_constant_tl(1);
3361 tcg_gen_movcond_tl(TCG_COND_EQ, t1, t1, t2, t3, t1);
3362 tcg_gen_divu_i64(cpu_LO[acc], t0, t1);
3363 tcg_gen_remu_i64(cpu_HI[acc], t0, t1);
3364 }
3365 break;
3366 case OPC_DMULT:
3367 tcg_gen_muls2_i64(cpu_LO[acc], cpu_HI[acc], t0, t1);
3368 break;
3369 case OPC_DMULTU:
3370 tcg_gen_mulu2_i64(cpu_LO[acc], cpu_HI[acc], t0, t1);
3371 break;
3372 #endif
3373 case OPC_MADD:
3374 {
3375 TCGv_i64 t2 = tcg_temp_new_i64();
3376 TCGv_i64 t3 = tcg_temp_new_i64();
3377
3378 tcg_gen_ext_tl_i64(t2, t0);
3379 tcg_gen_ext_tl_i64(t3, t1);
3380 tcg_gen_mul_i64(t2, t2, t3);
3381 tcg_gen_concat_tl_i64(t3, cpu_LO[acc], cpu_HI[acc]);
3382 tcg_gen_add_i64(t2, t2, t3);
3383 gen_move_low32(cpu_LO[acc], t2);
3384 gen_move_high32(cpu_HI[acc], t2);
3385 }
3386 break;
3387 case OPC_MADDU:
3388 {
3389 TCGv_i64 t2 = tcg_temp_new_i64();
3390 TCGv_i64 t3 = tcg_temp_new_i64();
3391
3392 tcg_gen_ext32u_tl(t0, t0);
3393 tcg_gen_ext32u_tl(t1, t1);
3394 tcg_gen_extu_tl_i64(t2, t0);
3395 tcg_gen_extu_tl_i64(t3, t1);
3396 tcg_gen_mul_i64(t2, t2, t3);
3397 tcg_gen_concat_tl_i64(t3, cpu_LO[acc], cpu_HI[acc]);
3398 tcg_gen_add_i64(t2, t2, t3);
3399 gen_move_low32(cpu_LO[acc], t2);
3400 gen_move_high32(cpu_HI[acc], t2);
3401 }
3402 break;
3403 case OPC_MSUB:
3404 {
3405 TCGv_i64 t2 = tcg_temp_new_i64();
3406 TCGv_i64 t3 = tcg_temp_new_i64();
3407
3408 tcg_gen_ext_tl_i64(t2, t0);
3409 tcg_gen_ext_tl_i64(t3, t1);
3410 tcg_gen_mul_i64(t2, t2, t3);
3411 tcg_gen_concat_tl_i64(t3, cpu_LO[acc], cpu_HI[acc]);
3412 tcg_gen_sub_i64(t2, t3, t2);
3413 gen_move_low32(cpu_LO[acc], t2);
3414 gen_move_high32(cpu_HI[acc], t2);
3415 }
3416 break;
3417 case OPC_MSUBU:
3418 {
3419 TCGv_i64 t2 = tcg_temp_new_i64();
3420 TCGv_i64 t3 = tcg_temp_new_i64();
3421
3422 tcg_gen_ext32u_tl(t0, t0);
3423 tcg_gen_ext32u_tl(t1, t1);
3424 tcg_gen_extu_tl_i64(t2, t0);
3425 tcg_gen_extu_tl_i64(t3, t1);
3426 tcg_gen_mul_i64(t2, t2, t3);
3427 tcg_gen_concat_tl_i64(t3, cpu_LO[acc], cpu_HI[acc]);
3428 tcg_gen_sub_i64(t2, t3, t2);
3429 gen_move_low32(cpu_LO[acc], t2);
3430 gen_move_high32(cpu_HI[acc], t2);
3431 }
3432 break;
3433 default:
3434 MIPS_INVAL("mul/div");
3435 gen_reserved_instruction(ctx);
3436 break;
3437 }
3438 }
3439
3440 /*
3441 * These MULT[U] and MADD[U] instructions implemented in for example
3442 * the Toshiba/Sony R5900 and the Toshiba TX19, TX39 and TX79 core
3443 * architectures are special three-operand variants with the syntax
3444 *
3445 * MULT[U][1] rd, rs, rt
3446 *
3447 * such that
3448 *
3449 * (rd, LO, HI) <- rs * rt
3450 *
3451 * and
3452 *
3453 * MADD[U][1] rd, rs, rt
3454 *
3455 * such that
3456 *
3457 * (rd, LO, HI) <- (LO, HI) + rs * rt
3458 *
3459 * where the low-order 32-bits of the result is placed into both the
3460 * GPR rd and the special register LO. The high-order 32-bits of the
3461 * result is placed into the special register HI.
3462 *
3463 * If the GPR rd is omitted in assembly language, it is taken to be 0,
3464 * which is the zero register that always reads as 0.
3465 */
gen_mul_txx9(DisasContext * ctx,uint32_t opc,int rd,int rs,int rt)3466 static void gen_mul_txx9(DisasContext *ctx, uint32_t opc,
3467 int rd, int rs, int rt)
3468 {
3469 TCGv t0 = tcg_temp_new();
3470 TCGv t1 = tcg_temp_new();
3471 int acc = 0;
3472
3473 gen_load_gpr(t0, rs);
3474 gen_load_gpr(t1, rt);
3475
3476 switch (opc) {
3477 case MMI_OPC_MULT1:
3478 acc = 1;
3479 /* Fall through */
3480 case OPC_MULT:
3481 {
3482 TCGv_i32 t2 = tcg_temp_new_i32();
3483 TCGv_i32 t3 = tcg_temp_new_i32();
3484 tcg_gen_trunc_tl_i32(t2, t0);
3485 tcg_gen_trunc_tl_i32(t3, t1);
3486 tcg_gen_muls2_i32(t2, t3, t2, t3);
3487 if (rd) {
3488 tcg_gen_ext_i32_tl(cpu_gpr[rd], t2);
3489 }
3490 tcg_gen_ext_i32_tl(cpu_LO[acc], t2);
3491 tcg_gen_ext_i32_tl(cpu_HI[acc], t3);
3492 }
3493 break;
3494 case MMI_OPC_MULTU1:
3495 acc = 1;
3496 /* Fall through */
3497 case OPC_MULTU:
3498 {
3499 TCGv_i32 t2 = tcg_temp_new_i32();
3500 TCGv_i32 t3 = tcg_temp_new_i32();
3501 tcg_gen_trunc_tl_i32(t2, t0);
3502 tcg_gen_trunc_tl_i32(t3, t1);
3503 tcg_gen_mulu2_i32(t2, t3, t2, t3);
3504 if (rd) {
3505 tcg_gen_ext_i32_tl(cpu_gpr[rd], t2);
3506 }
3507 tcg_gen_ext_i32_tl(cpu_LO[acc], t2);
3508 tcg_gen_ext_i32_tl(cpu_HI[acc], t3);
3509 }
3510 break;
3511 case MMI_OPC_MADD1:
3512 acc = 1;
3513 /* Fall through */
3514 case MMI_OPC_MADD:
3515 {
3516 TCGv_i64 t2 = tcg_temp_new_i64();
3517 TCGv_i64 t3 = tcg_temp_new_i64();
3518
3519 tcg_gen_ext_tl_i64(t2, t0);
3520 tcg_gen_ext_tl_i64(t3, t1);
3521 tcg_gen_mul_i64(t2, t2, t3);
3522 tcg_gen_concat_tl_i64(t3, cpu_LO[acc], cpu_HI[acc]);
3523 tcg_gen_add_i64(t2, t2, t3);
3524 gen_move_low32(cpu_LO[acc], t2);
3525 gen_move_high32(cpu_HI[acc], t2);
3526 if (rd) {
3527 gen_move_low32(cpu_gpr[rd], t2);
3528 }
3529 }
3530 break;
3531 case MMI_OPC_MADDU1:
3532 acc = 1;
3533 /* Fall through */
3534 case MMI_OPC_MADDU:
3535 {
3536 TCGv_i64 t2 = tcg_temp_new_i64();
3537 TCGv_i64 t3 = tcg_temp_new_i64();
3538
3539 tcg_gen_ext32u_tl(t0, t0);
3540 tcg_gen_ext32u_tl(t1, t1);
3541 tcg_gen_extu_tl_i64(t2, t0);
3542 tcg_gen_extu_tl_i64(t3, t1);
3543 tcg_gen_mul_i64(t2, t2, t3);
3544 tcg_gen_concat_tl_i64(t3, cpu_LO[acc], cpu_HI[acc]);
3545 tcg_gen_add_i64(t2, t2, t3);
3546 gen_move_low32(cpu_LO[acc], t2);
3547 gen_move_high32(cpu_HI[acc], t2);
3548 if (rd) {
3549 gen_move_low32(cpu_gpr[rd], t2);
3550 }
3551 }
3552 break;
3553 default:
3554 MIPS_INVAL("mul/madd TXx9");
3555 gen_reserved_instruction(ctx);
3556 break;
3557 }
3558 }
3559
gen_cl(DisasContext * ctx,uint32_t opc,int rd,int rs)3560 static void gen_cl(DisasContext *ctx, uint32_t opc,
3561 int rd, int rs)
3562 {
3563 TCGv t0;
3564
3565 if (rd == 0) {
3566 /* Treat as NOP. */
3567 return;
3568 }
3569 t0 = cpu_gpr[rd];
3570 gen_load_gpr(t0, rs);
3571
3572 switch (opc) {
3573 case OPC_CLO:
3574 case R6_OPC_CLO:
3575 #if defined(TARGET_MIPS64)
3576 case OPC_DCLO:
3577 case R6_OPC_DCLO:
3578 #endif
3579 tcg_gen_not_tl(t0, t0);
3580 break;
3581 }
3582
3583 switch (opc) {
3584 case OPC_CLO:
3585 case R6_OPC_CLO:
3586 case OPC_CLZ:
3587 case R6_OPC_CLZ:
3588 tcg_gen_ext32u_tl(t0, t0);
3589 tcg_gen_clzi_tl(t0, t0, TARGET_LONG_BITS);
3590 tcg_gen_subi_tl(t0, t0, TARGET_LONG_BITS - 32);
3591 break;
3592 #if defined(TARGET_MIPS64)
3593 case OPC_DCLO:
3594 case R6_OPC_DCLO:
3595 case OPC_DCLZ:
3596 case R6_OPC_DCLZ:
3597 tcg_gen_clzi_i64(t0, t0, 64);
3598 break;
3599 #endif
3600 }
3601 }
3602
3603 /* Godson integer instructions */
gen_loongson_integer(DisasContext * ctx,uint32_t opc,int rd,int rs,int rt)3604 static void gen_loongson_integer(DisasContext *ctx, uint32_t opc,
3605 int rd, int rs, int rt)
3606 {
3607 TCGv t0, t1;
3608
3609 if (rd == 0) {
3610 /* Treat as NOP. */
3611 return;
3612 }
3613
3614 t0 = tcg_temp_new();
3615 t1 = tcg_temp_new();
3616 gen_load_gpr(t0, rs);
3617 gen_load_gpr(t1, rt);
3618
3619 switch (opc) {
3620 case OPC_MULT_G_2E:
3621 case OPC_MULT_G_2F:
3622 tcg_gen_mul_tl(cpu_gpr[rd], t0, t1);
3623 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
3624 break;
3625 case OPC_MULTU_G_2E:
3626 case OPC_MULTU_G_2F:
3627 tcg_gen_ext32u_tl(t0, t0);
3628 tcg_gen_ext32u_tl(t1, t1);
3629 tcg_gen_mul_tl(cpu_gpr[rd], t0, t1);
3630 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
3631 break;
3632 case OPC_DIV_G_2E:
3633 case OPC_DIV_G_2F:
3634 {
3635 TCGLabel *l1 = gen_new_label();
3636 TCGLabel *l2 = gen_new_label();
3637 TCGLabel *l3 = gen_new_label();
3638 tcg_gen_ext32s_tl(t0, t0);
3639 tcg_gen_ext32s_tl(t1, t1);
3640 tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1);
3641 tcg_gen_movi_tl(cpu_gpr[rd], 0);
3642 tcg_gen_br(l3);
3643 gen_set_label(l1);
3644 tcg_gen_brcondi_tl(TCG_COND_NE, t0, INT_MIN, l2);
3645 tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1, l2);
3646 tcg_gen_mov_tl(cpu_gpr[rd], t0);
3647 tcg_gen_br(l3);
3648 gen_set_label(l2);
3649 tcg_gen_div_tl(cpu_gpr[rd], t0, t1);
3650 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
3651 gen_set_label(l3);
3652 }
3653 break;
3654 case OPC_DIVU_G_2E:
3655 case OPC_DIVU_G_2F:
3656 {
3657 TCGLabel *l1 = gen_new_label();
3658 TCGLabel *l2 = gen_new_label();
3659 tcg_gen_ext32u_tl(t0, t0);
3660 tcg_gen_ext32u_tl(t1, t1);
3661 tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1);
3662 tcg_gen_movi_tl(cpu_gpr[rd], 0);
3663 tcg_gen_br(l2);
3664 gen_set_label(l1);
3665 tcg_gen_divu_tl(cpu_gpr[rd], t0, t1);
3666 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
3667 gen_set_label(l2);
3668 }
3669 break;
3670 case OPC_MOD_G_2E:
3671 case OPC_MOD_G_2F:
3672 {
3673 TCGLabel *l1 = gen_new_label();
3674 TCGLabel *l2 = gen_new_label();
3675 TCGLabel *l3 = gen_new_label();
3676 tcg_gen_ext32u_tl(t0, t0);
3677 tcg_gen_ext32u_tl(t1, t1);
3678 tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1);
3679 tcg_gen_brcondi_tl(TCG_COND_NE, t0, INT_MIN, l2);
3680 tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1, l2);
3681 gen_set_label(l1);
3682 tcg_gen_movi_tl(cpu_gpr[rd], 0);
3683 tcg_gen_br(l3);
3684 gen_set_label(l2);
3685 tcg_gen_rem_tl(cpu_gpr[rd], t0, t1);
3686 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
3687 gen_set_label(l3);
3688 }
3689 break;
3690 case OPC_MODU_G_2E:
3691 case OPC_MODU_G_2F:
3692 {
3693 TCGLabel *l1 = gen_new_label();
3694 TCGLabel *l2 = gen_new_label();
3695 tcg_gen_ext32u_tl(t0, t0);
3696 tcg_gen_ext32u_tl(t1, t1);
3697 tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1);
3698 tcg_gen_movi_tl(cpu_gpr[rd], 0);
3699 tcg_gen_br(l2);
3700 gen_set_label(l1);
3701 tcg_gen_remu_tl(cpu_gpr[rd], t0, t1);
3702 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
3703 gen_set_label(l2);
3704 }
3705 break;
3706 #if defined(TARGET_MIPS64)
3707 case OPC_DMULT_G_2E:
3708 case OPC_DMULT_G_2F:
3709 tcg_gen_mul_tl(cpu_gpr[rd], t0, t1);
3710 break;
3711 case OPC_DMULTU_G_2E:
3712 case OPC_DMULTU_G_2F:
3713 tcg_gen_mul_tl(cpu_gpr[rd], t0, t1);
3714 break;
3715 case OPC_DDIV_G_2E:
3716 case OPC_DDIV_G_2F:
3717 {
3718 TCGLabel *l1 = gen_new_label();
3719 TCGLabel *l2 = gen_new_label();
3720 TCGLabel *l3 = gen_new_label();
3721 tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1);
3722 tcg_gen_movi_tl(cpu_gpr[rd], 0);
3723 tcg_gen_br(l3);
3724 gen_set_label(l1);
3725 tcg_gen_brcondi_tl(TCG_COND_NE, t0, -1LL << 63, l2);
3726 tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1LL, l2);
3727 tcg_gen_mov_tl(cpu_gpr[rd], t0);
3728 tcg_gen_br(l3);
3729 gen_set_label(l2);
3730 tcg_gen_div_tl(cpu_gpr[rd], t0, t1);
3731 gen_set_label(l3);
3732 }
3733 break;
3734 case OPC_DDIVU_G_2E:
3735 case OPC_DDIVU_G_2F:
3736 {
3737 TCGLabel *l1 = gen_new_label();
3738 TCGLabel *l2 = gen_new_label();
3739 tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1);
3740 tcg_gen_movi_tl(cpu_gpr[rd], 0);
3741 tcg_gen_br(l2);
3742 gen_set_label(l1);
3743 tcg_gen_divu_tl(cpu_gpr[rd], t0, t1);
3744 gen_set_label(l2);
3745 }
3746 break;
3747 case OPC_DMOD_G_2E:
3748 case OPC_DMOD_G_2F:
3749 {
3750 TCGLabel *l1 = gen_new_label();
3751 TCGLabel *l2 = gen_new_label();
3752 TCGLabel *l3 = gen_new_label();
3753 tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1);
3754 tcg_gen_brcondi_tl(TCG_COND_NE, t0, -1LL << 63, l2);
3755 tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1LL, l2);
3756 gen_set_label(l1);
3757 tcg_gen_movi_tl(cpu_gpr[rd], 0);
3758 tcg_gen_br(l3);
3759 gen_set_label(l2);
3760 tcg_gen_rem_tl(cpu_gpr[rd], t0, t1);
3761 gen_set_label(l3);
3762 }
3763 break;
3764 case OPC_DMODU_G_2E:
3765 case OPC_DMODU_G_2F:
3766 {
3767 TCGLabel *l1 = gen_new_label();
3768 TCGLabel *l2 = gen_new_label();
3769 tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1);
3770 tcg_gen_movi_tl(cpu_gpr[rd], 0);
3771 tcg_gen_br(l2);
3772 gen_set_label(l1);
3773 tcg_gen_remu_tl(cpu_gpr[rd], t0, t1);
3774 gen_set_label(l2);
3775 }
3776 break;
3777 #endif
3778 }
3779 }
3780
3781 /* Loongson multimedia instructions */
gen_loongson_multimedia(DisasContext * ctx,int rd,int rs,int rt)3782 static void gen_loongson_multimedia(DisasContext *ctx, int rd, int rs, int rt)
3783 {
3784 uint32_t opc, shift_max;
3785 TCGv_i64 t0, t1;
3786 TCGCond cond;
3787
3788 opc = MASK_LMMI(ctx->opcode);
3789 check_cp1_enabled(ctx);
3790
3791 t0 = tcg_temp_new_i64();
3792 t1 = tcg_temp_new_i64();
3793 gen_load_fpr64(ctx, t0, rs);
3794 gen_load_fpr64(ctx, t1, rt);
3795
3796 switch (opc) {
3797 case OPC_PADDSH:
3798 gen_helper_paddsh(t0, t0, t1);
3799 break;
3800 case OPC_PADDUSH:
3801 gen_helper_paddush(t0, t0, t1);
3802 break;
3803 case OPC_PADDH:
3804 gen_helper_paddh(t0, t0, t1);
3805 break;
3806 case OPC_PADDW:
3807 gen_helper_paddw(t0, t0, t1);
3808 break;
3809 case OPC_PADDSB:
3810 gen_helper_paddsb(t0, t0, t1);
3811 break;
3812 case OPC_PADDUSB:
3813 gen_helper_paddusb(t0, t0, t1);
3814 break;
3815 case OPC_PADDB:
3816 gen_helper_paddb(t0, t0, t1);
3817 break;
3818
3819 case OPC_PSUBSH:
3820 gen_helper_psubsh(t0, t0, t1);
3821 break;
3822 case OPC_PSUBUSH:
3823 gen_helper_psubush(t0, t0, t1);
3824 break;
3825 case OPC_PSUBH:
3826 gen_helper_psubh(t0, t0, t1);
3827 break;
3828 case OPC_PSUBW:
3829 gen_helper_psubw(t0, t0, t1);
3830 break;
3831 case OPC_PSUBSB:
3832 gen_helper_psubsb(t0, t0, t1);
3833 break;
3834 case OPC_PSUBUSB:
3835 gen_helper_psubusb(t0, t0, t1);
3836 break;
3837 case OPC_PSUBB:
3838 gen_helper_psubb(t0, t0, t1);
3839 break;
3840
3841 case OPC_PSHUFH:
3842 gen_helper_pshufh(t0, t0, t1);
3843 break;
3844 case OPC_PACKSSWH:
3845 gen_helper_packsswh(t0, t0, t1);
3846 break;
3847 case OPC_PACKSSHB:
3848 gen_helper_packsshb(t0, t0, t1);
3849 break;
3850 case OPC_PACKUSHB:
3851 gen_helper_packushb(t0, t0, t1);
3852 break;
3853
3854 case OPC_PUNPCKLHW:
3855 gen_helper_punpcklhw(t0, t0, t1);
3856 break;
3857 case OPC_PUNPCKHHW:
3858 gen_helper_punpckhhw(t0, t0, t1);
3859 break;
3860 case OPC_PUNPCKLBH:
3861 gen_helper_punpcklbh(t0, t0, t1);
3862 break;
3863 case OPC_PUNPCKHBH:
3864 gen_helper_punpckhbh(t0, t0, t1);
3865 break;
3866 case OPC_PUNPCKLWD:
3867 gen_helper_punpcklwd(t0, t0, t1);
3868 break;
3869 case OPC_PUNPCKHWD:
3870 gen_helper_punpckhwd(t0, t0, t1);
3871 break;
3872
3873 case OPC_PAVGH:
3874 gen_helper_pavgh(t0, t0, t1);
3875 break;
3876 case OPC_PAVGB:
3877 gen_helper_pavgb(t0, t0, t1);
3878 break;
3879 case OPC_PMAXSH:
3880 gen_helper_pmaxsh(t0, t0, t1);
3881 break;
3882 case OPC_PMINSH:
3883 gen_helper_pminsh(t0, t0, t1);
3884 break;
3885 case OPC_PMAXUB:
3886 gen_helper_pmaxub(t0, t0, t1);
3887 break;
3888 case OPC_PMINUB:
3889 gen_helper_pminub(t0, t0, t1);
3890 break;
3891
3892 case OPC_PCMPEQW:
3893 gen_helper_pcmpeqw(t0, t0, t1);
3894 break;
3895 case OPC_PCMPGTW:
3896 gen_helper_pcmpgtw(t0, t0, t1);
3897 break;
3898 case OPC_PCMPEQH:
3899 gen_helper_pcmpeqh(t0, t0, t1);
3900 break;
3901 case OPC_PCMPGTH:
3902 gen_helper_pcmpgth(t0, t0, t1);
3903 break;
3904 case OPC_PCMPEQB:
3905 gen_helper_pcmpeqb(t0, t0, t1);
3906 break;
3907 case OPC_PCMPGTB:
3908 gen_helper_pcmpgtb(t0, t0, t1);
3909 break;
3910
3911 case OPC_PSLLW:
3912 gen_helper_psllw(t0, t0, t1);
3913 break;
3914 case OPC_PSLLH:
3915 gen_helper_psllh(t0, t0, t1);
3916 break;
3917 case OPC_PSRLW:
3918 gen_helper_psrlw(t0, t0, t1);
3919 break;
3920 case OPC_PSRLH:
3921 gen_helper_psrlh(t0, t0, t1);
3922 break;
3923 case OPC_PSRAW:
3924 gen_helper_psraw(t0, t0, t1);
3925 break;
3926 case OPC_PSRAH:
3927 gen_helper_psrah(t0, t0, t1);
3928 break;
3929
3930 case OPC_PMULLH:
3931 gen_helper_pmullh(t0, t0, t1);
3932 break;
3933 case OPC_PMULHH:
3934 gen_helper_pmulhh(t0, t0, t1);
3935 break;
3936 case OPC_PMULHUH:
3937 gen_helper_pmulhuh(t0, t0, t1);
3938 break;
3939 case OPC_PMADDHW:
3940 gen_helper_pmaddhw(t0, t0, t1);
3941 break;
3942
3943 case OPC_PASUBUB:
3944 gen_helper_pasubub(t0, t0, t1);
3945 break;
3946 case OPC_BIADD:
3947 gen_helper_biadd(t0, t0);
3948 break;
3949 case OPC_PMOVMSKB:
3950 gen_helper_pmovmskb(t0, t0);
3951 break;
3952
3953 case OPC_PADDD:
3954 tcg_gen_add_i64(t0, t0, t1);
3955 break;
3956 case OPC_PSUBD:
3957 tcg_gen_sub_i64(t0, t0, t1);
3958 break;
3959 case OPC_XOR_CP2:
3960 tcg_gen_xor_i64(t0, t0, t1);
3961 break;
3962 case OPC_NOR_CP2:
3963 tcg_gen_nor_i64(t0, t0, t1);
3964 break;
3965 case OPC_AND_CP2:
3966 tcg_gen_and_i64(t0, t0, t1);
3967 break;
3968 case OPC_OR_CP2:
3969 tcg_gen_or_i64(t0, t0, t1);
3970 break;
3971
3972 case OPC_PANDN:
3973 tcg_gen_andc_i64(t0, t1, t0);
3974 break;
3975
3976 case OPC_PINSRH_0:
3977 tcg_gen_deposit_i64(t0, t0, t1, 0, 16);
3978 break;
3979 case OPC_PINSRH_1:
3980 tcg_gen_deposit_i64(t0, t0, t1, 16, 16);
3981 break;
3982 case OPC_PINSRH_2:
3983 tcg_gen_deposit_i64(t0, t0, t1, 32, 16);
3984 break;
3985 case OPC_PINSRH_3:
3986 tcg_gen_deposit_i64(t0, t0, t1, 48, 16);
3987 break;
3988
3989 case OPC_PEXTRH:
3990 tcg_gen_andi_i64(t1, t1, 3);
3991 tcg_gen_shli_i64(t1, t1, 4);
3992 tcg_gen_shr_i64(t0, t0, t1);
3993 tcg_gen_ext16u_i64(t0, t0);
3994 break;
3995
3996 case OPC_ADDU_CP2:
3997 tcg_gen_add_i64(t0, t0, t1);
3998 tcg_gen_ext32s_i64(t0, t0);
3999 break;
4000 case OPC_SUBU_CP2:
4001 tcg_gen_sub_i64(t0, t0, t1);
4002 tcg_gen_ext32s_i64(t0, t0);
4003 break;
4004
4005 case OPC_SLL_CP2:
4006 shift_max = 32;
4007 goto do_shift;
4008 case OPC_SRL_CP2:
4009 shift_max = 32;
4010 goto do_shift;
4011 case OPC_SRA_CP2:
4012 shift_max = 32;
4013 goto do_shift;
4014 case OPC_DSLL_CP2:
4015 shift_max = 64;
4016 goto do_shift;
4017 case OPC_DSRL_CP2:
4018 shift_max = 64;
4019 goto do_shift;
4020 case OPC_DSRA_CP2:
4021 shift_max = 64;
4022 goto do_shift;
4023 do_shift:
4024 /* Make sure shift count isn't TCG undefined behaviour. */
4025 tcg_gen_andi_i64(t1, t1, shift_max - 1);
4026
4027 switch (opc) {
4028 case OPC_SLL_CP2:
4029 case OPC_DSLL_CP2:
4030 tcg_gen_shl_i64(t0, t0, t1);
4031 break;
4032 case OPC_SRA_CP2:
4033 case OPC_DSRA_CP2:
4034 /*
4035 * Since SRA is UndefinedResult without sign-extended inputs,
4036 * we can treat SRA and DSRA the same.
4037 */
4038 tcg_gen_sar_i64(t0, t0, t1);
4039 break;
4040 case OPC_SRL_CP2:
4041 /* We want to shift in zeros for SRL; zero-extend first. */
4042 tcg_gen_ext32u_i64(t0, t0);
4043 /* FALLTHRU */
4044 case OPC_DSRL_CP2:
4045 tcg_gen_shr_i64(t0, t0, t1);
4046 break;
4047 }
4048
4049 if (shift_max == 32) {
4050 tcg_gen_ext32s_i64(t0, t0);
4051 }
4052
4053 /* Shifts larger than MAX produce zero. */
4054 tcg_gen_setcondi_i64(TCG_COND_LTU, t1, t1, shift_max);
4055 tcg_gen_neg_i64(t1, t1);
4056 tcg_gen_and_i64(t0, t0, t1);
4057 break;
4058
4059 case OPC_ADD_CP2:
4060 case OPC_DADD_CP2:
4061 {
4062 TCGv_i64 t2 = tcg_temp_new_i64();
4063 TCGLabel *lab = gen_new_label();
4064
4065 tcg_gen_mov_i64(t2, t0);
4066 tcg_gen_add_i64(t0, t1, t2);
4067 if (opc == OPC_ADD_CP2) {
4068 tcg_gen_ext32s_i64(t0, t0);
4069 }
4070 tcg_gen_xor_i64(t1, t1, t2);
4071 tcg_gen_xor_i64(t2, t2, t0);
4072 tcg_gen_andc_i64(t1, t2, t1);
4073 tcg_gen_brcondi_i64(TCG_COND_GE, t1, 0, lab);
4074 generate_exception(ctx, EXCP_OVERFLOW);
4075 gen_set_label(lab);
4076 break;
4077 }
4078
4079 case OPC_SUB_CP2:
4080 case OPC_DSUB_CP2:
4081 {
4082 TCGv_i64 t2 = tcg_temp_new_i64();
4083 TCGLabel *lab = gen_new_label();
4084
4085 tcg_gen_mov_i64(t2, t0);
4086 tcg_gen_sub_i64(t0, t1, t2);
4087 if (opc == OPC_SUB_CP2) {
4088 tcg_gen_ext32s_i64(t0, t0);
4089 }
4090 tcg_gen_xor_i64(t1, t1, t2);
4091 tcg_gen_xor_i64(t2, t2, t0);
4092 tcg_gen_and_i64(t1, t1, t2);
4093 tcg_gen_brcondi_i64(TCG_COND_GE, t1, 0, lab);
4094 generate_exception(ctx, EXCP_OVERFLOW);
4095 gen_set_label(lab);
4096 break;
4097 }
4098
4099 case OPC_PMULUW:
4100 tcg_gen_ext32u_i64(t0, t0);
4101 tcg_gen_ext32u_i64(t1, t1);
4102 tcg_gen_mul_i64(t0, t0, t1);
4103 break;
4104
4105 case OPC_SEQU_CP2:
4106 case OPC_SEQ_CP2:
4107 cond = TCG_COND_EQ;
4108 goto do_cc_cond;
4109 break;
4110 case OPC_SLTU_CP2:
4111 cond = TCG_COND_LTU;
4112 goto do_cc_cond;
4113 break;
4114 case OPC_SLT_CP2:
4115 cond = TCG_COND_LT;
4116 goto do_cc_cond;
4117 break;
4118 case OPC_SLEU_CP2:
4119 cond = TCG_COND_LEU;
4120 goto do_cc_cond;
4121 break;
4122 case OPC_SLE_CP2:
4123 cond = TCG_COND_LE;
4124 do_cc_cond:
4125 {
4126 int cc = (ctx->opcode >> 8) & 0x7;
4127 TCGv_i64 t64 = tcg_temp_new_i64();
4128 TCGv_i32 t32 = tcg_temp_new_i32();
4129
4130 tcg_gen_setcond_i64(cond, t64, t0, t1);
4131 tcg_gen_extrl_i64_i32(t32, t64);
4132 tcg_gen_deposit_i32(fpu_fcr31, fpu_fcr31, t32,
4133 get_fp_bit(cc), 1);
4134 }
4135 return;
4136 default:
4137 MIPS_INVAL("loongson_cp2");
4138 gen_reserved_instruction(ctx);
4139 return;
4140 }
4141
4142 gen_store_fpr64(ctx, t0, rd);
4143 }
4144
gen_loongson_lswc2(DisasContext * ctx,int rt,int rs,int rd)4145 static void gen_loongson_lswc2(DisasContext *ctx, int rt,
4146 int rs, int rd)
4147 {
4148 TCGv t0, t1;
4149 TCGv_i32 fp0;
4150 #if defined(TARGET_MIPS64)
4151 int lsq_rt1 = ctx->opcode & 0x1f;
4152 int lsq_offset = sextract32(ctx->opcode, 6, 9) << 4;
4153 #endif
4154 int shf_offset = sextract32(ctx->opcode, 6, 8);
4155
4156 t0 = tcg_temp_new();
4157
4158 switch (MASK_LOONGSON_GSLSQ(ctx->opcode)) {
4159 #if defined(TARGET_MIPS64)
4160 case OPC_GSLQ:
4161 t1 = tcg_temp_new();
4162 gen_base_offset_addr(ctx, t0, rs, lsq_offset);
4163 tcg_gen_qemu_ld_tl(t1, t0, ctx->mem_idx, MO_TEUQ |
4164 ctx->default_tcg_memop_mask);
4165 gen_base_offset_addr(ctx, t0, rs, lsq_offset + 8);
4166 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TEUQ |
4167 ctx->default_tcg_memop_mask);
4168 gen_store_gpr(t1, rt);
4169 gen_store_gpr(t0, lsq_rt1);
4170 break;
4171 case OPC_GSLQC1:
4172 check_cp1_enabled(ctx);
4173 t1 = tcg_temp_new();
4174 gen_base_offset_addr(ctx, t0, rs, lsq_offset);
4175 tcg_gen_qemu_ld_tl(t1, t0, ctx->mem_idx, MO_TEUQ |
4176 ctx->default_tcg_memop_mask);
4177 gen_base_offset_addr(ctx, t0, rs, lsq_offset + 8);
4178 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TEUQ |
4179 ctx->default_tcg_memop_mask);
4180 gen_store_fpr64(ctx, t1, rt);
4181 gen_store_fpr64(ctx, t0, lsq_rt1);
4182 break;
4183 case OPC_GSSQ:
4184 t1 = tcg_temp_new();
4185 gen_base_offset_addr(ctx, t0, rs, lsq_offset);
4186 gen_load_gpr(t1, rt);
4187 tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_TEUQ |
4188 ctx->default_tcg_memop_mask);
4189 gen_base_offset_addr(ctx, t0, rs, lsq_offset + 8);
4190 gen_load_gpr(t1, lsq_rt1);
4191 tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_TEUQ |
4192 ctx->default_tcg_memop_mask);
4193 break;
4194 case OPC_GSSQC1:
4195 check_cp1_enabled(ctx);
4196 t1 = tcg_temp_new();
4197 gen_base_offset_addr(ctx, t0, rs, lsq_offset);
4198 gen_load_fpr64(ctx, t1, rt);
4199 tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_TEUQ |
4200 ctx->default_tcg_memop_mask);
4201 gen_base_offset_addr(ctx, t0, rs, lsq_offset + 8);
4202 gen_load_fpr64(ctx, t1, lsq_rt1);
4203 tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_TEUQ |
4204 ctx->default_tcg_memop_mask);
4205 break;
4206 #endif
4207 case OPC_GSSHFL:
4208 switch (MASK_LOONGSON_GSSHFLS(ctx->opcode)) {
4209 case OPC_GSLWLC1:
4210 check_cp1_enabled(ctx);
4211 gen_base_offset_addr(ctx, t0, rs, shf_offset);
4212 fp0 = tcg_temp_new_i32();
4213 gen_load_fpr32(ctx, fp0, rt);
4214 t1 = tcg_temp_new();
4215 tcg_gen_ext_i32_tl(t1, fp0);
4216 gen_lxl(ctx, t1, t0, ctx->mem_idx, MO_TEUL);
4217 tcg_gen_trunc_tl_i32(fp0, t1);
4218 gen_store_fpr32(ctx, fp0, rt);
4219 break;
4220 case OPC_GSLWRC1:
4221 check_cp1_enabled(ctx);
4222 gen_base_offset_addr(ctx, t0, rs, shf_offset);
4223 fp0 = tcg_temp_new_i32();
4224 gen_load_fpr32(ctx, fp0, rt);
4225 t1 = tcg_temp_new();
4226 tcg_gen_ext_i32_tl(t1, fp0);
4227 gen_lxr(ctx, t1, t0, ctx->mem_idx, MO_TEUL);
4228 tcg_gen_trunc_tl_i32(fp0, t1);
4229 gen_store_fpr32(ctx, fp0, rt);
4230 break;
4231 #if defined(TARGET_MIPS64)
4232 case OPC_GSLDLC1:
4233 check_cp1_enabled(ctx);
4234 gen_base_offset_addr(ctx, t0, rs, shf_offset);
4235 t1 = tcg_temp_new();
4236 gen_load_fpr64(ctx, t1, rt);
4237 gen_lxl(ctx, t1, t0, ctx->mem_idx, MO_TEUQ);
4238 gen_store_fpr64(ctx, t1, rt);
4239 break;
4240 case OPC_GSLDRC1:
4241 check_cp1_enabled(ctx);
4242 gen_base_offset_addr(ctx, t0, rs, shf_offset);
4243 t1 = tcg_temp_new();
4244 gen_load_fpr64(ctx, t1, rt);
4245 gen_lxr(ctx, t1, t0, ctx->mem_idx, MO_TEUQ);
4246 gen_store_fpr64(ctx, t1, rt);
4247 break;
4248 #endif
4249 default:
4250 MIPS_INVAL("loongson_gsshfl");
4251 gen_reserved_instruction(ctx);
4252 break;
4253 }
4254 break;
4255 case OPC_GSSHFS:
4256 switch (MASK_LOONGSON_GSSHFLS(ctx->opcode)) {
4257 case OPC_GSSWLC1:
4258 check_cp1_enabled(ctx);
4259 t1 = tcg_temp_new();
4260 gen_base_offset_addr(ctx, t0, rs, shf_offset);
4261 fp0 = tcg_temp_new_i32();
4262 gen_load_fpr32(ctx, fp0, rt);
4263 tcg_gen_ext_i32_tl(t1, fp0);
4264 gen_helper_0e2i(swl, t1, t0, ctx->mem_idx);
4265 break;
4266 case OPC_GSSWRC1:
4267 check_cp1_enabled(ctx);
4268 t1 = tcg_temp_new();
4269 gen_base_offset_addr(ctx, t0, rs, shf_offset);
4270 fp0 = tcg_temp_new_i32();
4271 gen_load_fpr32(ctx, fp0, rt);
4272 tcg_gen_ext_i32_tl(t1, fp0);
4273 gen_helper_0e2i(swr, t1, t0, ctx->mem_idx);
4274 break;
4275 #if defined(TARGET_MIPS64)
4276 case OPC_GSSDLC1:
4277 check_cp1_enabled(ctx);
4278 t1 = tcg_temp_new();
4279 gen_base_offset_addr(ctx, t0, rs, shf_offset);
4280 gen_load_fpr64(ctx, t1, rt);
4281 gen_helper_0e2i(sdl, t1, t0, ctx->mem_idx);
4282 break;
4283 case OPC_GSSDRC1:
4284 check_cp1_enabled(ctx);
4285 t1 = tcg_temp_new();
4286 gen_base_offset_addr(ctx, t0, rs, shf_offset);
4287 gen_load_fpr64(ctx, t1, rt);
4288 gen_helper_0e2i(sdr, t1, t0, ctx->mem_idx);
4289 break;
4290 #endif
4291 default:
4292 MIPS_INVAL("loongson_gsshfs");
4293 gen_reserved_instruction(ctx);
4294 break;
4295 }
4296 break;
4297 default:
4298 MIPS_INVAL("loongson_gslsq");
4299 gen_reserved_instruction(ctx);
4300 break;
4301 }
4302 }
4303
4304 /* Loongson EXT LDC2/SDC2 */
gen_loongson_lsdc2(DisasContext * ctx,int rt,int rs,int rd)4305 static void gen_loongson_lsdc2(DisasContext *ctx, int rt,
4306 int rs, int rd)
4307 {
4308 int offset = sextract32(ctx->opcode, 3, 8);
4309 uint32_t opc = MASK_LOONGSON_LSDC2(ctx->opcode);
4310 TCGv t0, t1;
4311 TCGv_i32 fp0;
4312
4313 /* Pre-conditions */
4314 switch (opc) {
4315 case OPC_GSLBX:
4316 case OPC_GSLHX:
4317 case OPC_GSLWX:
4318 case OPC_GSLDX:
4319 /* prefetch, implement as NOP */
4320 if (rt == 0) {
4321 return;
4322 }
4323 break;
4324 case OPC_GSSBX:
4325 case OPC_GSSHX:
4326 case OPC_GSSWX:
4327 case OPC_GSSDX:
4328 break;
4329 case OPC_GSLWXC1:
4330 #if defined(TARGET_MIPS64)
4331 case OPC_GSLDXC1:
4332 #endif
4333 check_cp1_enabled(ctx);
4334 /* prefetch, implement as NOP */
4335 if (rt == 0) {
4336 return;
4337 }
4338 break;
4339 case OPC_GSSWXC1:
4340 #if defined(TARGET_MIPS64)
4341 case OPC_GSSDXC1:
4342 #endif
4343 check_cp1_enabled(ctx);
4344 break;
4345 default:
4346 MIPS_INVAL("loongson_lsdc2");
4347 gen_reserved_instruction(ctx);
4348 return;
4349 break;
4350 }
4351
4352 t0 = tcg_temp_new();
4353
4354 gen_base_offset_addr(ctx, t0, rs, offset);
4355 gen_op_addr_add(ctx, t0, cpu_gpr[rd], t0);
4356
4357 switch (opc) {
4358 case OPC_GSLBX:
4359 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_SB);
4360 gen_store_gpr(t0, rt);
4361 break;
4362 case OPC_GSLHX:
4363 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TESW |
4364 ctx->default_tcg_memop_mask);
4365 gen_store_gpr(t0, rt);
4366 break;
4367 case OPC_GSLWX:
4368 gen_base_offset_addr(ctx, t0, rs, offset);
4369 if (rd) {
4370 gen_op_addr_add(ctx, t0, cpu_gpr[rd], t0);
4371 }
4372 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TESL |
4373 ctx->default_tcg_memop_mask);
4374 gen_store_gpr(t0, rt);
4375 break;
4376 #if defined(TARGET_MIPS64)
4377 case OPC_GSLDX:
4378 gen_base_offset_addr(ctx, t0, rs, offset);
4379 if (rd) {
4380 gen_op_addr_add(ctx, t0, cpu_gpr[rd], t0);
4381 }
4382 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TEUQ |
4383 ctx->default_tcg_memop_mask);
4384 gen_store_gpr(t0, rt);
4385 break;
4386 #endif
4387 case OPC_GSLWXC1:
4388 gen_base_offset_addr(ctx, t0, rs, offset);
4389 if (rd) {
4390 gen_op_addr_add(ctx, t0, cpu_gpr[rd], t0);
4391 }
4392 fp0 = tcg_temp_new_i32();
4393 tcg_gen_qemu_ld_i32(fp0, t0, ctx->mem_idx, MO_TESL |
4394 ctx->default_tcg_memop_mask);
4395 gen_store_fpr32(ctx, fp0, rt);
4396 break;
4397 #if defined(TARGET_MIPS64)
4398 case OPC_GSLDXC1:
4399 gen_base_offset_addr(ctx, t0, rs, offset);
4400 if (rd) {
4401 gen_op_addr_add(ctx, t0, cpu_gpr[rd], t0);
4402 }
4403 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TEUQ |
4404 ctx->default_tcg_memop_mask);
4405 gen_store_fpr64(ctx, t0, rt);
4406 break;
4407 #endif
4408 case OPC_GSSBX:
4409 t1 = tcg_temp_new();
4410 gen_load_gpr(t1, rt);
4411 tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_SB);
4412 break;
4413 case OPC_GSSHX:
4414 t1 = tcg_temp_new();
4415 gen_load_gpr(t1, rt);
4416 tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_TEUW |
4417 ctx->default_tcg_memop_mask);
4418 break;
4419 case OPC_GSSWX:
4420 t1 = tcg_temp_new();
4421 gen_load_gpr(t1, rt);
4422 tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_TEUL |
4423 ctx->default_tcg_memop_mask);
4424 break;
4425 #if defined(TARGET_MIPS64)
4426 case OPC_GSSDX:
4427 t1 = tcg_temp_new();
4428 gen_load_gpr(t1, rt);
4429 tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_TEUQ |
4430 ctx->default_tcg_memop_mask);
4431 break;
4432 #endif
4433 case OPC_GSSWXC1:
4434 fp0 = tcg_temp_new_i32();
4435 gen_load_fpr32(ctx, fp0, rt);
4436 tcg_gen_qemu_st_i32(fp0, t0, ctx->mem_idx, MO_TEUL |
4437 ctx->default_tcg_memop_mask);
4438 break;
4439 #if defined(TARGET_MIPS64)
4440 case OPC_GSSDXC1:
4441 t1 = tcg_temp_new();
4442 gen_load_fpr64(ctx, t1, rt);
4443 tcg_gen_qemu_st_i64(t1, t0, ctx->mem_idx, MO_TEUQ |
4444 ctx->default_tcg_memop_mask);
4445 break;
4446 #endif
4447 default:
4448 break;
4449 }
4450 }
4451
4452 /* Traps */
gen_trap(DisasContext * ctx,uint32_t opc,int rs,int rt,int16_t imm,int code)4453 static void gen_trap(DisasContext *ctx, uint32_t opc,
4454 int rs, int rt, int16_t imm, int code)
4455 {
4456 int cond;
4457 TCGv t0 = tcg_temp_new();
4458 TCGv t1 = tcg_temp_new();
4459
4460 cond = 0;
4461 /* Load needed operands */
4462 switch (opc) {
4463 case OPC_TEQ:
4464 case OPC_TGE:
4465 case OPC_TGEU:
4466 case OPC_TLT:
4467 case OPC_TLTU:
4468 case OPC_TNE:
4469 /* Compare two registers */
4470 if (rs != rt) {
4471 gen_load_gpr(t0, rs);
4472 gen_load_gpr(t1, rt);
4473 cond = 1;
4474 }
4475 break;
4476 case OPC_TEQI:
4477 case OPC_TGEI:
4478 case OPC_TGEIU:
4479 case OPC_TLTI:
4480 case OPC_TLTIU:
4481 case OPC_TNEI:
4482 /* Compare register to immediate */
4483 if (rs != 0 || imm != 0) {
4484 gen_load_gpr(t0, rs);
4485 tcg_gen_movi_tl(t1, (int32_t)imm);
4486 cond = 1;
4487 }
4488 break;
4489 }
4490 if (cond == 0) {
4491 switch (opc) {
4492 case OPC_TEQ: /* rs == rs */
4493 case OPC_TEQI: /* r0 == 0 */
4494 case OPC_TGE: /* rs >= rs */
4495 case OPC_TGEI: /* r0 >= 0 */
4496 case OPC_TGEU: /* rs >= rs unsigned */
4497 case OPC_TGEIU: /* r0 >= 0 unsigned */
4498 /* Always trap */
4499 #ifdef CONFIG_USER_ONLY
4500 /* Pass the break code along to cpu_loop. */
4501 tcg_gen_st_i32(tcg_constant_i32(code), tcg_env,
4502 offsetof(CPUMIPSState, error_code));
4503 #endif
4504 generate_exception_end(ctx, EXCP_TRAP);
4505 break;
4506 case OPC_TLT: /* rs < rs */
4507 case OPC_TLTI: /* r0 < 0 */
4508 case OPC_TLTU: /* rs < rs unsigned */
4509 case OPC_TLTIU: /* r0 < 0 unsigned */
4510 case OPC_TNE: /* rs != rs */
4511 case OPC_TNEI: /* r0 != 0 */
4512 /* Never trap: treat as NOP. */
4513 break;
4514 }
4515 } else {
4516 TCGLabel *l1 = gen_new_label();
4517
4518 switch (opc) {
4519 case OPC_TEQ:
4520 case OPC_TEQI:
4521 tcg_gen_brcond_tl(TCG_COND_NE, t0, t1, l1);
4522 break;
4523 case OPC_TGE:
4524 case OPC_TGEI:
4525 tcg_gen_brcond_tl(TCG_COND_LT, t0, t1, l1);
4526 break;
4527 case OPC_TGEU:
4528 case OPC_TGEIU:
4529 tcg_gen_brcond_tl(TCG_COND_LTU, t0, t1, l1);
4530 break;
4531 case OPC_TLT:
4532 case OPC_TLTI:
4533 tcg_gen_brcond_tl(TCG_COND_GE, t0, t1, l1);
4534 break;
4535 case OPC_TLTU:
4536 case OPC_TLTIU:
4537 tcg_gen_brcond_tl(TCG_COND_GEU, t0, t1, l1);
4538 break;
4539 case OPC_TNE:
4540 case OPC_TNEI:
4541 tcg_gen_brcond_tl(TCG_COND_EQ, t0, t1, l1);
4542 break;
4543 }
4544 #ifdef CONFIG_USER_ONLY
4545 /* Pass the break code along to cpu_loop. */
4546 tcg_gen_st_i32(tcg_constant_i32(code), tcg_env,
4547 offsetof(CPUMIPSState, error_code));
4548 #endif
4549 /* Like save_cpu_state, only don't update saved values. */
4550 if (ctx->base.pc_next != ctx->saved_pc) {
4551 gen_save_pc(ctx->base.pc_next);
4552 }
4553 if (ctx->hflags != ctx->saved_hflags) {
4554 tcg_gen_movi_i32(hflags, ctx->hflags);
4555 }
4556 generate_exception(ctx, EXCP_TRAP);
4557 gen_set_label(l1);
4558 }
4559 }
4560
gen_goto_tb(DisasContext * ctx,int n,target_ulong dest)4561 static void gen_goto_tb(DisasContext *ctx, int n, target_ulong dest)
4562 {
4563 if (translator_use_goto_tb(&ctx->base, dest)) {
4564 tcg_gen_goto_tb(n);
4565 gen_save_pc(dest);
4566 tcg_gen_exit_tb(ctx->base.tb, n);
4567 } else {
4568 gen_save_pc(dest);
4569 tcg_gen_lookup_and_goto_ptr();
4570 }
4571 }
4572
4573 /* Branches (before delay slot) */
gen_compute_branch(DisasContext * ctx,uint32_t opc,int insn_bytes,int rs,int rt,int32_t offset,int delayslot_size)4574 static void gen_compute_branch(DisasContext *ctx, uint32_t opc,
4575 int insn_bytes,
4576 int rs, int rt, int32_t offset,
4577 int delayslot_size)
4578 {
4579 target_ulong btgt = -1;
4580 int blink = 0;
4581 int bcond_compute = 0;
4582 TCGv t0 = tcg_temp_new();
4583 TCGv t1 = tcg_temp_new();
4584
4585 if (ctx->hflags & MIPS_HFLAG_BMASK) {
4586 #ifdef MIPS_DEBUG_DISAS
4587 LOG_DISAS("Branch in delay / forbidden slot at PC 0x%016"
4588 VADDR_PRIx "\n", ctx->base.pc_next);
4589 #endif
4590 gen_reserved_instruction(ctx);
4591 goto out;
4592 }
4593
4594 /* Load needed operands */
4595 switch (opc) {
4596 case OPC_BEQ:
4597 case OPC_BEQL:
4598 case OPC_BNE:
4599 case OPC_BNEL:
4600 /* Compare two registers */
4601 if (rs != rt) {
4602 gen_load_gpr(t0, rs);
4603 gen_load_gpr(t1, rt);
4604 bcond_compute = 1;
4605 }
4606 btgt = ctx->base.pc_next + insn_bytes + offset;
4607 break;
4608 case OPC_BGEZ:
4609 case OPC_BGEZAL:
4610 case OPC_BGEZALL:
4611 case OPC_BGEZL:
4612 case OPC_BGTZ:
4613 case OPC_BGTZL:
4614 case OPC_BLEZ:
4615 case OPC_BLEZL:
4616 case OPC_BLTZ:
4617 case OPC_BLTZAL:
4618 case OPC_BLTZALL:
4619 case OPC_BLTZL:
4620 /* Compare to zero */
4621 if (rs != 0) {
4622 gen_load_gpr(t0, rs);
4623 bcond_compute = 1;
4624 }
4625 btgt = ctx->base.pc_next + insn_bytes + offset;
4626 break;
4627 case OPC_BPOSGE32:
4628 #if defined(TARGET_MIPS64)
4629 case OPC_BPOSGE64:
4630 tcg_gen_andi_tl(t0, cpu_dspctrl, 0x7F);
4631 #else
4632 tcg_gen_andi_tl(t0, cpu_dspctrl, 0x3F);
4633 #endif
4634 bcond_compute = 1;
4635 btgt = ctx->base.pc_next + insn_bytes + offset;
4636 break;
4637 case OPC_J:
4638 case OPC_JAL:
4639 {
4640 /* Jump to immediate */
4641 int jal_mask = ctx->hflags & MIPS_HFLAG_M16 ? 0xF8000000
4642 : 0xF0000000;
4643 btgt = ((ctx->base.pc_next + insn_bytes) & jal_mask)
4644 | (uint32_t)offset;
4645 break;
4646 }
4647 case OPC_JALX:
4648 /* Jump to immediate */
4649 btgt = ((ctx->base.pc_next + insn_bytes) & (int32_t)0xF0000000) |
4650 (uint32_t)offset;
4651 break;
4652 case OPC_JR:
4653 case OPC_JALR:
4654 /* Jump to register */
4655 if (offset != 0 && offset != 16) {
4656 /*
4657 * Hint = 0 is JR/JALR, hint 16 is JR.HB/JALR.HB, the
4658 * others are reserved.
4659 */
4660 MIPS_INVAL("jump hint");
4661 gen_reserved_instruction(ctx);
4662 goto out;
4663 }
4664 gen_load_gpr(btarget, rs);
4665 break;
4666 default:
4667 MIPS_INVAL("branch/jump");
4668 gen_reserved_instruction(ctx);
4669 goto out;
4670 }
4671 if (bcond_compute == 0) {
4672 /* No condition to be computed */
4673 switch (opc) {
4674 case OPC_BEQ: /* rx == rx */
4675 case OPC_BEQL: /* rx == rx likely */
4676 case OPC_BGEZ: /* 0 >= 0 */
4677 case OPC_BGEZL: /* 0 >= 0 likely */
4678 case OPC_BLEZ: /* 0 <= 0 */
4679 case OPC_BLEZL: /* 0 <= 0 likely */
4680 /* Always take */
4681 ctx->hflags |= MIPS_HFLAG_B;
4682 break;
4683 case OPC_BGEZAL: /* 0 >= 0 */
4684 case OPC_BGEZALL: /* 0 >= 0 likely */
4685 /* Always take and link */
4686 blink = 31;
4687 ctx->hflags |= MIPS_HFLAG_B;
4688 break;
4689 case OPC_BNE: /* rx != rx */
4690 case OPC_BGTZ: /* 0 > 0 */
4691 case OPC_BLTZ: /* 0 < 0 */
4692 /* Treat as NOP. */
4693 goto out;
4694 case OPC_BLTZAL: /* 0 < 0 */
4695 /*
4696 * Handle as an unconditional branch to get correct delay
4697 * slot checking.
4698 */
4699 blink = 31;
4700 btgt = ctx->base.pc_next + insn_bytes + delayslot_size;
4701 ctx->hflags |= MIPS_HFLAG_B;
4702 break;
4703 case OPC_BLTZALL: /* 0 < 0 likely */
4704 tcg_gen_movi_tl(cpu_gpr[31], ctx->base.pc_next + 8);
4705 /* Skip the instruction in the delay slot */
4706 ctx->base.pc_next += 4;
4707 goto out;
4708 case OPC_BNEL: /* rx != rx likely */
4709 case OPC_BGTZL: /* 0 > 0 likely */
4710 case OPC_BLTZL: /* 0 < 0 likely */
4711 /* Skip the instruction in the delay slot */
4712 ctx->base.pc_next += 4;
4713 goto out;
4714 case OPC_J:
4715 ctx->hflags |= MIPS_HFLAG_B;
4716 break;
4717 case OPC_JALX:
4718 ctx->hflags |= MIPS_HFLAG_BX;
4719 /* Fallthrough */
4720 case OPC_JAL:
4721 blink = 31;
4722 ctx->hflags |= MIPS_HFLAG_B;
4723 break;
4724 case OPC_JR:
4725 ctx->hflags |= MIPS_HFLAG_BR;
4726 break;
4727 case OPC_JALR:
4728 blink = rt;
4729 ctx->hflags |= MIPS_HFLAG_BR;
4730 break;
4731 default:
4732 MIPS_INVAL("branch/jump");
4733 gen_reserved_instruction(ctx);
4734 goto out;
4735 }
4736 } else {
4737 switch (opc) {
4738 case OPC_BEQ:
4739 tcg_gen_setcond_tl(TCG_COND_EQ, bcond, t0, t1);
4740 goto not_likely;
4741 case OPC_BEQL:
4742 tcg_gen_setcond_tl(TCG_COND_EQ, bcond, t0, t1);
4743 goto likely;
4744 case OPC_BNE:
4745 tcg_gen_setcond_tl(TCG_COND_NE, bcond, t0, t1);
4746 goto not_likely;
4747 case OPC_BNEL:
4748 tcg_gen_setcond_tl(TCG_COND_NE, bcond, t0, t1);
4749 goto likely;
4750 case OPC_BGEZ:
4751 tcg_gen_setcondi_tl(TCG_COND_GE, bcond, t0, 0);
4752 goto not_likely;
4753 case OPC_BGEZL:
4754 tcg_gen_setcondi_tl(TCG_COND_GE, bcond, t0, 0);
4755 goto likely;
4756 case OPC_BGEZAL:
4757 tcg_gen_setcondi_tl(TCG_COND_GE, bcond, t0, 0);
4758 blink = 31;
4759 goto not_likely;
4760 case OPC_BGEZALL:
4761 tcg_gen_setcondi_tl(TCG_COND_GE, bcond, t0, 0);
4762 blink = 31;
4763 goto likely;
4764 case OPC_BGTZ:
4765 tcg_gen_setcondi_tl(TCG_COND_GT, bcond, t0, 0);
4766 goto not_likely;
4767 case OPC_BGTZL:
4768 tcg_gen_setcondi_tl(TCG_COND_GT, bcond, t0, 0);
4769 goto likely;
4770 case OPC_BLEZ:
4771 tcg_gen_setcondi_tl(TCG_COND_LE, bcond, t0, 0);
4772 goto not_likely;
4773 case OPC_BLEZL:
4774 tcg_gen_setcondi_tl(TCG_COND_LE, bcond, t0, 0);
4775 goto likely;
4776 case OPC_BLTZ:
4777 tcg_gen_setcondi_tl(TCG_COND_LT, bcond, t0, 0);
4778 goto not_likely;
4779 case OPC_BLTZL:
4780 tcg_gen_setcondi_tl(TCG_COND_LT, bcond, t0, 0);
4781 goto likely;
4782 case OPC_BPOSGE32:
4783 tcg_gen_setcondi_tl(TCG_COND_GE, bcond, t0, 32);
4784 goto not_likely;
4785 #if defined(TARGET_MIPS64)
4786 case OPC_BPOSGE64:
4787 tcg_gen_setcondi_tl(TCG_COND_GE, bcond, t0, 64);
4788 goto not_likely;
4789 #endif
4790 case OPC_BLTZAL:
4791 tcg_gen_setcondi_tl(TCG_COND_LT, bcond, t0, 0);
4792 blink = 31;
4793 not_likely:
4794 ctx->hflags |= MIPS_HFLAG_BC;
4795 break;
4796 case OPC_BLTZALL:
4797 tcg_gen_setcondi_tl(TCG_COND_LT, bcond, t0, 0);
4798 blink = 31;
4799 likely:
4800 ctx->hflags |= MIPS_HFLAG_BL;
4801 break;
4802 default:
4803 MIPS_INVAL("conditional branch/jump");
4804 gen_reserved_instruction(ctx);
4805 goto out;
4806 }
4807 }
4808
4809 ctx->btarget = btgt;
4810
4811 switch (delayslot_size) {
4812 case 2:
4813 ctx->hflags |= MIPS_HFLAG_BDS16;
4814 break;
4815 case 4:
4816 ctx->hflags |= MIPS_HFLAG_BDS32;
4817 break;
4818 }
4819
4820 if (blink > 0) {
4821 int post_delay = insn_bytes + delayslot_size;
4822 int lowbit = !!(ctx->hflags & MIPS_HFLAG_M16);
4823
4824 tcg_gen_movi_tl(cpu_gpr[blink],
4825 ctx->base.pc_next + post_delay + lowbit);
4826 }
4827
4828 out:
4829 if (insn_bytes == 2) {
4830 ctx->hflags |= MIPS_HFLAG_B16;
4831 }
4832 }
4833
4834
4835 /* special3 bitfield operations */
gen_bitops(DisasContext * ctx,uint32_t opc,int rt,int rs,int lsb,int msb)4836 static void gen_bitops(DisasContext *ctx, uint32_t opc, int rt,
4837 int rs, int lsb, int msb)
4838 {
4839 TCGv t0 = tcg_temp_new();
4840 TCGv t1 = tcg_temp_new();
4841
4842 gen_load_gpr(t1, rs);
4843 switch (opc) {
4844 case OPC_EXT:
4845 if (lsb + msb > 31) {
4846 goto fail;
4847 }
4848 if (msb != 31) {
4849 tcg_gen_extract_tl(t0, t1, lsb, msb + 1);
4850 } else {
4851 /*
4852 * The two checks together imply that lsb == 0,
4853 * so this is a simple sign-extension.
4854 */
4855 tcg_gen_ext32s_tl(t0, t1);
4856 }
4857 break;
4858 #if defined(TARGET_MIPS64)
4859 case OPC_DEXTU:
4860 lsb += 32;
4861 goto do_dext;
4862 case OPC_DEXTM:
4863 msb += 32;
4864 goto do_dext;
4865 case OPC_DEXT:
4866 do_dext:
4867 if (lsb + msb > 63) {
4868 goto fail;
4869 }
4870 tcg_gen_extract_tl(t0, t1, lsb, msb + 1);
4871 break;
4872 #endif
4873 case OPC_INS:
4874 if (lsb > msb) {
4875 goto fail;
4876 }
4877 gen_load_gpr(t0, rt);
4878 tcg_gen_deposit_tl(t0, t0, t1, lsb, msb - lsb + 1);
4879 tcg_gen_ext32s_tl(t0, t0);
4880 break;
4881 #if defined(TARGET_MIPS64)
4882 case OPC_DINSU:
4883 lsb += 32;
4884 /* FALLTHRU */
4885 case OPC_DINSM:
4886 msb += 32;
4887 /* FALLTHRU */
4888 case OPC_DINS:
4889 if (lsb > msb) {
4890 goto fail;
4891 }
4892 gen_load_gpr(t0, rt);
4893 tcg_gen_deposit_tl(t0, t0, t1, lsb, msb - lsb + 1);
4894 break;
4895 #endif
4896 default:
4897 fail:
4898 MIPS_INVAL("bitops");
4899 gen_reserved_instruction(ctx);
4900 return;
4901 }
4902 gen_store_gpr(t0, rt);
4903 }
4904
gen_bshfl(DisasContext * ctx,uint32_t op2,int rt,int rd)4905 static void gen_bshfl(DisasContext *ctx, uint32_t op2, int rt, int rd)
4906 {
4907 TCGv t0;
4908
4909 if (rd == 0) {
4910 /* If no destination, treat it as a NOP. */
4911 return;
4912 }
4913
4914 t0 = tcg_temp_new();
4915 gen_load_gpr(t0, rt);
4916 switch (op2) {
4917 case OPC_WSBH:
4918 {
4919 TCGv t1 = tcg_temp_new();
4920 TCGv t2 = tcg_constant_tl(0x00FF00FF);
4921
4922 tcg_gen_shri_tl(t1, t0, 8);
4923 tcg_gen_and_tl(t1, t1, t2);
4924 tcg_gen_and_tl(t0, t0, t2);
4925 tcg_gen_shli_tl(t0, t0, 8);
4926 tcg_gen_or_tl(t0, t0, t1);
4927 tcg_gen_ext32s_tl(cpu_gpr[rd], t0);
4928 }
4929 break;
4930 case OPC_SEB:
4931 tcg_gen_ext8s_tl(cpu_gpr[rd], t0);
4932 break;
4933 case OPC_SEH:
4934 tcg_gen_ext16s_tl(cpu_gpr[rd], t0);
4935 break;
4936 #if defined(TARGET_MIPS64)
4937 case OPC_DSBH:
4938 {
4939 TCGv t1 = tcg_temp_new();
4940 TCGv t2 = tcg_constant_tl(0x00FF00FF00FF00FFULL);
4941
4942 tcg_gen_shri_tl(t1, t0, 8);
4943 tcg_gen_and_tl(t1, t1, t2);
4944 tcg_gen_and_tl(t0, t0, t2);
4945 tcg_gen_shli_tl(t0, t0, 8);
4946 tcg_gen_or_tl(cpu_gpr[rd], t0, t1);
4947 }
4948 break;
4949 case OPC_DSHD:
4950 {
4951 TCGv t1 = tcg_temp_new();
4952 TCGv t2 = tcg_constant_tl(0x0000FFFF0000FFFFULL);
4953
4954 tcg_gen_shri_tl(t1, t0, 16);
4955 tcg_gen_and_tl(t1, t1, t2);
4956 tcg_gen_and_tl(t0, t0, t2);
4957 tcg_gen_shli_tl(t0, t0, 16);
4958 tcg_gen_or_tl(t0, t0, t1);
4959 tcg_gen_shri_tl(t1, t0, 32);
4960 tcg_gen_shli_tl(t0, t0, 32);
4961 tcg_gen_or_tl(cpu_gpr[rd], t0, t1);
4962 }
4963 break;
4964 #endif
4965 default:
4966 MIPS_INVAL("bsfhl");
4967 gen_reserved_instruction(ctx);
4968 return;
4969 }
4970 }
4971
gen_align_bits(DisasContext * ctx,int wordsz,int rd,int rs,int rt,int bits)4972 static void gen_align_bits(DisasContext *ctx, int wordsz, int rd, int rs,
4973 int rt, int bits)
4974 {
4975 TCGv t0;
4976 if (rd == 0) {
4977 /* Treat as NOP. */
4978 return;
4979 }
4980 t0 = tcg_temp_new();
4981 if (bits == 0 || bits == wordsz) {
4982 if (bits == 0) {
4983 gen_load_gpr(t0, rt);
4984 } else {
4985 gen_load_gpr(t0, rs);
4986 }
4987 switch (wordsz) {
4988 case 32:
4989 tcg_gen_ext32s_tl(cpu_gpr[rd], t0);
4990 break;
4991 #if defined(TARGET_MIPS64)
4992 case 64:
4993 tcg_gen_mov_tl(cpu_gpr[rd], t0);
4994 break;
4995 #endif
4996 }
4997 } else {
4998 TCGv t1 = tcg_temp_new();
4999 gen_load_gpr(t0, rt);
5000 gen_load_gpr(t1, rs);
5001 switch (wordsz) {
5002 case 32:
5003 {
5004 TCGv_i64 t2 = tcg_temp_new_i64();
5005 tcg_gen_concat_tl_i64(t2, t1, t0);
5006 tcg_gen_shri_i64(t2, t2, 32 - bits);
5007 gen_move_low32(cpu_gpr[rd], t2);
5008 }
5009 break;
5010 #if defined(TARGET_MIPS64)
5011 case 64:
5012 tcg_gen_shli_tl(t0, t0, bits);
5013 tcg_gen_shri_tl(t1, t1, 64 - bits);
5014 tcg_gen_or_tl(cpu_gpr[rd], t1, t0);
5015 break;
5016 #endif
5017 }
5018 }
5019 }
5020
gen_align(DisasContext * ctx,int wordsz,int rd,int rs,int rt,int bp)5021 void gen_align(DisasContext *ctx, int wordsz, int rd, int rs, int rt, int bp)
5022 {
5023 gen_align_bits(ctx, wordsz, rd, rs, rt, bp * 8);
5024 }
5025
gen_bitswap(DisasContext * ctx,int opc,int rd,int rt)5026 static void gen_bitswap(DisasContext *ctx, int opc, int rd, int rt)
5027 {
5028 TCGv t0;
5029 if (rd == 0) {
5030 /* Treat as NOP. */
5031 return;
5032 }
5033 t0 = tcg_temp_new();
5034 gen_load_gpr(t0, rt);
5035 switch (opc) {
5036 case OPC_BITSWAP:
5037 gen_helper_bitswap(cpu_gpr[rd], t0);
5038 break;
5039 #if defined(TARGET_MIPS64)
5040 case OPC_DBITSWAP:
5041 gen_helper_dbitswap(cpu_gpr[rd], t0);
5042 break;
5043 #endif
5044 }
5045 }
5046
5047 #ifndef CONFIG_USER_ONLY
5048 /* CP0 (MMU and control) */
gen_mthc0_entrylo(TCGv arg,target_ulong off)5049 static inline void gen_mthc0_entrylo(TCGv arg, target_ulong off)
5050 {
5051 TCGv_i64 t0 = tcg_temp_new_i64();
5052 TCGv_i64 t1 = tcg_temp_new_i64();
5053
5054 tcg_gen_ext_tl_i64(t0, arg);
5055 tcg_gen_ld_i64(t1, tcg_env, off);
5056 #if defined(TARGET_MIPS64)
5057 tcg_gen_deposit_i64(t1, t1, t0, 30, 32);
5058 #else
5059 tcg_gen_concat32_i64(t1, t1, t0);
5060 #endif
5061 tcg_gen_st_i64(t1, tcg_env, off);
5062 }
5063
gen_mthc0_store64(TCGv arg,target_ulong off)5064 static inline void gen_mthc0_store64(TCGv arg, target_ulong off)
5065 {
5066 TCGv_i64 t0 = tcg_temp_new_i64();
5067 TCGv_i64 t1 = tcg_temp_new_i64();
5068
5069 tcg_gen_ext_tl_i64(t0, arg);
5070 tcg_gen_ld_i64(t1, tcg_env, off);
5071 tcg_gen_concat32_i64(t1, t1, t0);
5072 tcg_gen_st_i64(t1, tcg_env, off);
5073 }
5074
gen_mfhc0_entrylo(TCGv arg,target_ulong off)5075 static inline void gen_mfhc0_entrylo(TCGv arg, target_ulong off)
5076 {
5077 TCGv_i64 t0 = tcg_temp_new_i64();
5078
5079 tcg_gen_ld_i64(t0, tcg_env, off);
5080 #if defined(TARGET_MIPS64)
5081 tcg_gen_shri_i64(t0, t0, 30);
5082 #else
5083 tcg_gen_shri_i64(t0, t0, 32);
5084 #endif
5085 gen_move_low32(arg, t0);
5086 }
5087
gen_mfhc0_load64(TCGv arg,target_ulong off,int shift)5088 static inline void gen_mfhc0_load64(TCGv arg, target_ulong off, int shift)
5089 {
5090 TCGv_i64 t0 = tcg_temp_new_i64();
5091
5092 tcg_gen_ld_i64(t0, tcg_env, off);
5093 tcg_gen_shri_i64(t0, t0, 32 + shift);
5094 gen_move_low32(arg, t0);
5095 }
5096
gen_mfc0_load32(TCGv arg,target_ulong off)5097 static inline void gen_mfc0_load32(TCGv arg, target_ulong off)
5098 {
5099 TCGv_i32 t0 = tcg_temp_new_i32();
5100
5101 tcg_gen_ld_i32(t0, tcg_env, off);
5102 tcg_gen_ext_i32_tl(arg, t0);
5103 }
5104
gen_mfc0_load64(TCGv arg,target_ulong off)5105 static inline void gen_mfc0_load64(TCGv arg, target_ulong off)
5106 {
5107 tcg_gen_ld_tl(arg, tcg_env, off);
5108 tcg_gen_ext32s_tl(arg, arg);
5109 }
5110
gen_mtc0_store32(TCGv arg,target_ulong off)5111 static inline void gen_mtc0_store32(TCGv arg, target_ulong off)
5112 {
5113 TCGv_i32 t0 = tcg_temp_new_i32();
5114
5115 tcg_gen_trunc_tl_i32(t0, arg);
5116 tcg_gen_st_i32(t0, tcg_env, off);
5117 }
5118
5119 #define CP0_CHECK(c) \
5120 do { \
5121 if (!(c)) { \
5122 goto cp0_unimplemented; \
5123 } \
5124 } while (0)
5125
gen_mfhc0(DisasContext * ctx,TCGv arg,int reg,int sel)5126 static void gen_mfhc0(DisasContext *ctx, TCGv arg, int reg, int sel)
5127 {
5128 const char *register_name = "invalid";
5129
5130 switch (reg) {
5131 case CP0_REGISTER_02:
5132 switch (sel) {
5133 case 0:
5134 CP0_CHECK(ctx->hflags & MIPS_HFLAG_ELPA);
5135 gen_mfhc0_entrylo(arg, offsetof(CPUMIPSState, CP0_EntryLo0));
5136 register_name = "EntryLo0";
5137 break;
5138 default:
5139 goto cp0_unimplemented;
5140 }
5141 break;
5142 case CP0_REGISTER_03:
5143 switch (sel) {
5144 case CP0_REG03__ENTRYLO1:
5145 CP0_CHECK(ctx->hflags & MIPS_HFLAG_ELPA);
5146 gen_mfhc0_entrylo(arg, offsetof(CPUMIPSState, CP0_EntryLo1));
5147 register_name = "EntryLo1";
5148 break;
5149 default:
5150 goto cp0_unimplemented;
5151 }
5152 break;
5153 case CP0_REGISTER_17:
5154 switch (sel) {
5155 case CP0_REG17__LLADDR:
5156 gen_mfhc0_load64(arg, offsetof(CPUMIPSState, CP0_LLAddr),
5157 ctx->CP0_LLAddr_shift);
5158 register_name = "LLAddr";
5159 break;
5160 case CP0_REG17__MAAR:
5161 CP0_CHECK(ctx->mrp);
5162 gen_helper_mfhc0_maar(arg, tcg_env);
5163 register_name = "MAAR";
5164 break;
5165 default:
5166 goto cp0_unimplemented;
5167 }
5168 break;
5169 case CP0_REGISTER_19:
5170 switch (sel) {
5171 case CP0_REG19__WATCHHI0:
5172 case CP0_REG19__WATCHHI1:
5173 case CP0_REG19__WATCHHI2:
5174 case CP0_REG19__WATCHHI3:
5175 case CP0_REG19__WATCHHI4:
5176 case CP0_REG19__WATCHHI5:
5177 case CP0_REG19__WATCHHI6:
5178 case CP0_REG19__WATCHHI7:
5179 /* upper 32 bits are only available when Config5MI != 0 */
5180 CP0_CHECK(ctx->mi);
5181 gen_mfhc0_load64(arg, offsetof(CPUMIPSState, CP0_WatchHi[sel]), 0);
5182 register_name = "WatchHi";
5183 break;
5184 default:
5185 goto cp0_unimplemented;
5186 }
5187 break;
5188 case CP0_REGISTER_28:
5189 switch (sel) {
5190 case 0:
5191 case 2:
5192 case 4:
5193 case 6:
5194 gen_mfhc0_load64(arg, offsetof(CPUMIPSState, CP0_TagLo), 0);
5195 register_name = "TagLo";
5196 break;
5197 default:
5198 goto cp0_unimplemented;
5199 }
5200 break;
5201 default:
5202 goto cp0_unimplemented;
5203 }
5204 trace_mips_translate_c0("mfhc0", register_name, reg, sel);
5205 return;
5206
5207 cp0_unimplemented:
5208 qemu_log_mask(LOG_UNIMP, "mfhc0 %s (reg %d sel %d)\n",
5209 register_name, reg, sel);
5210 tcg_gen_movi_tl(arg, 0);
5211 }
5212
gen_mthc0(DisasContext * ctx,TCGv arg,int reg,int sel)5213 static void gen_mthc0(DisasContext *ctx, TCGv arg, int reg, int sel)
5214 {
5215 const char *register_name = "invalid";
5216 uint64_t mask = ctx->PAMask >> 36;
5217
5218 switch (reg) {
5219 case CP0_REGISTER_02:
5220 switch (sel) {
5221 case 0:
5222 CP0_CHECK(ctx->hflags & MIPS_HFLAG_ELPA);
5223 tcg_gen_andi_tl(arg, arg, mask);
5224 gen_mthc0_entrylo(arg, offsetof(CPUMIPSState, CP0_EntryLo0));
5225 register_name = "EntryLo0";
5226 break;
5227 default:
5228 goto cp0_unimplemented;
5229 }
5230 break;
5231 case CP0_REGISTER_03:
5232 switch (sel) {
5233 case CP0_REG03__ENTRYLO1:
5234 CP0_CHECK(ctx->hflags & MIPS_HFLAG_ELPA);
5235 tcg_gen_andi_tl(arg, arg, mask);
5236 gen_mthc0_entrylo(arg, offsetof(CPUMIPSState, CP0_EntryLo1));
5237 register_name = "EntryLo1";
5238 break;
5239 default:
5240 goto cp0_unimplemented;
5241 }
5242 break;
5243 case CP0_REGISTER_17:
5244 switch (sel) {
5245 case CP0_REG17__LLADDR:
5246 /*
5247 * LLAddr is read-only (the only exception is bit 0 if LLB is
5248 * supported); the CP0_LLAddr_rw_bitmask does not seem to be
5249 * relevant for modern MIPS cores supporting MTHC0, therefore
5250 * treating MTHC0 to LLAddr as NOP.
5251 */
5252 register_name = "LLAddr";
5253 break;
5254 case CP0_REG17__MAAR:
5255 CP0_CHECK(ctx->mrp);
5256 gen_helper_mthc0_maar(tcg_env, arg);
5257 register_name = "MAAR";
5258 break;
5259 default:
5260 goto cp0_unimplemented;
5261 }
5262 break;
5263 case CP0_REGISTER_19:
5264 switch (sel) {
5265 case CP0_REG19__WATCHHI0:
5266 case CP0_REG19__WATCHHI1:
5267 case CP0_REG19__WATCHHI2:
5268 case CP0_REG19__WATCHHI3:
5269 case CP0_REG19__WATCHHI4:
5270 case CP0_REG19__WATCHHI5:
5271 case CP0_REG19__WATCHHI6:
5272 case CP0_REG19__WATCHHI7:
5273 /* upper 32 bits are only available when Config5MI != 0 */
5274 CP0_CHECK(ctx->mi);
5275 gen_helper_0e1i(mthc0_watchhi, arg, sel);
5276 register_name = "WatchHi";
5277 break;
5278 default:
5279 goto cp0_unimplemented;
5280 }
5281 break;
5282 case CP0_REGISTER_28:
5283 switch (sel) {
5284 case 0:
5285 case 2:
5286 case 4:
5287 case 6:
5288 tcg_gen_andi_tl(arg, arg, mask);
5289 gen_mthc0_store64(arg, offsetof(CPUMIPSState, CP0_TagLo));
5290 register_name = "TagLo";
5291 break;
5292 default:
5293 goto cp0_unimplemented;
5294 }
5295 break;
5296 default:
5297 goto cp0_unimplemented;
5298 }
5299 trace_mips_translate_c0("mthc0", register_name, reg, sel);
5300 return;
5301
5302 cp0_unimplemented:
5303 qemu_log_mask(LOG_UNIMP, "mthc0 %s (reg %d sel %d)\n",
5304 register_name, reg, sel);
5305 }
5306
gen_mfc0_unimplemented(DisasContext * ctx,TCGv arg)5307 static inline void gen_mfc0_unimplemented(DisasContext *ctx, TCGv arg)
5308 {
5309 if (ctx->insn_flags & ISA_MIPS_R6) {
5310 tcg_gen_movi_tl(arg, 0);
5311 } else {
5312 tcg_gen_movi_tl(arg, ~0);
5313 }
5314 }
5315
gen_mfc0(DisasContext * ctx,TCGv arg,int reg,int sel)5316 static void gen_mfc0(DisasContext *ctx, TCGv arg, int reg, int sel)
5317 {
5318 const char *register_name = "invalid";
5319
5320 if (sel != 0) {
5321 check_insn(ctx, ISA_MIPS_R1);
5322 }
5323
5324 switch (reg) {
5325 case CP0_REGISTER_00:
5326 switch (sel) {
5327 case CP0_REG00__INDEX:
5328 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Index));
5329 register_name = "Index";
5330 break;
5331 case CP0_REG00__MVPCONTROL:
5332 CP0_CHECK(ctx->insn_flags & ASE_MT);
5333 gen_helper_mfc0_mvpcontrol(arg, tcg_env);
5334 register_name = "MVPControl";
5335 break;
5336 case CP0_REG00__MVPCONF0:
5337 CP0_CHECK(ctx->insn_flags & ASE_MT);
5338 gen_helper_mfc0_mvpconf0(arg, tcg_env);
5339 register_name = "MVPConf0";
5340 break;
5341 case CP0_REG00__MVPCONF1:
5342 CP0_CHECK(ctx->insn_flags & ASE_MT);
5343 gen_helper_mfc0_mvpconf1(arg, tcg_env);
5344 register_name = "MVPConf1";
5345 break;
5346 case CP0_REG00__VPCONTROL:
5347 CP0_CHECK(ctx->vp);
5348 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_VPControl));
5349 register_name = "VPControl";
5350 break;
5351 default:
5352 goto cp0_unimplemented;
5353 }
5354 break;
5355 case CP0_REGISTER_01:
5356 switch (sel) {
5357 case CP0_REG01__RANDOM:
5358 CP0_CHECK(!(ctx->insn_flags & ISA_MIPS_R6));
5359 gen_helper_mfc0_random(arg, tcg_env);
5360 register_name = "Random";
5361 break;
5362 case CP0_REG01__VPECONTROL:
5363 CP0_CHECK(ctx->insn_flags & ASE_MT);
5364 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_VPEControl));
5365 register_name = "VPEControl";
5366 break;
5367 case CP0_REG01__VPECONF0:
5368 CP0_CHECK(ctx->insn_flags & ASE_MT);
5369 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_VPEConf0));
5370 register_name = "VPEConf0";
5371 break;
5372 case CP0_REG01__VPECONF1:
5373 CP0_CHECK(ctx->insn_flags & ASE_MT);
5374 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_VPEConf1));
5375 register_name = "VPEConf1";
5376 break;
5377 case CP0_REG01__YQMASK:
5378 CP0_CHECK(ctx->insn_flags & ASE_MT);
5379 gen_mfc0_load64(arg, offsetof(CPUMIPSState, CP0_YQMask));
5380 register_name = "YQMask";
5381 break;
5382 case CP0_REG01__VPESCHEDULE:
5383 CP0_CHECK(ctx->insn_flags & ASE_MT);
5384 gen_mfc0_load64(arg, offsetof(CPUMIPSState, CP0_VPESchedule));
5385 register_name = "VPESchedule";
5386 break;
5387 case CP0_REG01__VPESCHEFBACK:
5388 CP0_CHECK(ctx->insn_flags & ASE_MT);
5389 gen_mfc0_load64(arg, offsetof(CPUMIPSState, CP0_VPEScheFBack));
5390 register_name = "VPEScheFBack";
5391 break;
5392 case CP0_REG01__VPEOPT:
5393 CP0_CHECK(ctx->insn_flags & ASE_MT);
5394 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_VPEOpt));
5395 register_name = "VPEOpt";
5396 break;
5397 default:
5398 goto cp0_unimplemented;
5399 }
5400 break;
5401 case CP0_REGISTER_02:
5402 switch (sel) {
5403 case CP0_REG02__ENTRYLO0:
5404 {
5405 TCGv_i64 tmp = tcg_temp_new_i64();
5406 tcg_gen_ld_i64(tmp, tcg_env,
5407 offsetof(CPUMIPSState, CP0_EntryLo0));
5408 #if defined(TARGET_MIPS64)
5409 if (ctx->rxi) {
5410 /* Move RI/XI fields to bits 31:30 */
5411 tcg_gen_shri_tl(arg, tmp, CP0EnLo_XI);
5412 tcg_gen_deposit_tl(tmp, tmp, arg, 30, 2);
5413 }
5414 #endif
5415 gen_move_low32(arg, tmp);
5416 }
5417 register_name = "EntryLo0";
5418 break;
5419 case CP0_REG02__TCSTATUS:
5420 CP0_CHECK(ctx->insn_flags & ASE_MT);
5421 gen_helper_mfc0_tcstatus(arg, tcg_env);
5422 register_name = "TCStatus";
5423 break;
5424 case CP0_REG02__TCBIND:
5425 CP0_CHECK(ctx->insn_flags & ASE_MT);
5426 gen_helper_mfc0_tcbind(arg, tcg_env);
5427 register_name = "TCBind";
5428 break;
5429 case CP0_REG02__TCRESTART:
5430 CP0_CHECK(ctx->insn_flags & ASE_MT);
5431 gen_helper_mfc0_tcrestart(arg, tcg_env);
5432 register_name = "TCRestart";
5433 break;
5434 case CP0_REG02__TCHALT:
5435 CP0_CHECK(ctx->insn_flags & ASE_MT);
5436 gen_helper_mfc0_tchalt(arg, tcg_env);
5437 register_name = "TCHalt";
5438 break;
5439 case CP0_REG02__TCCONTEXT:
5440 CP0_CHECK(ctx->insn_flags & ASE_MT);
5441 gen_helper_mfc0_tccontext(arg, tcg_env);
5442 register_name = "TCContext";
5443 break;
5444 case CP0_REG02__TCSCHEDULE:
5445 CP0_CHECK(ctx->insn_flags & ASE_MT);
5446 gen_helper_mfc0_tcschedule(arg, tcg_env);
5447 register_name = "TCSchedule";
5448 break;
5449 case CP0_REG02__TCSCHEFBACK:
5450 CP0_CHECK(ctx->insn_flags & ASE_MT);
5451 gen_helper_mfc0_tcschefback(arg, tcg_env);
5452 register_name = "TCScheFBack";
5453 break;
5454 default:
5455 goto cp0_unimplemented;
5456 }
5457 break;
5458 case CP0_REGISTER_03:
5459 switch (sel) {
5460 case CP0_REG03__ENTRYLO1:
5461 {
5462 TCGv_i64 tmp = tcg_temp_new_i64();
5463 tcg_gen_ld_i64(tmp, tcg_env,
5464 offsetof(CPUMIPSState, CP0_EntryLo1));
5465 #if defined(TARGET_MIPS64)
5466 if (ctx->rxi) {
5467 /* Move RI/XI fields to bits 31:30 */
5468 tcg_gen_shri_tl(arg, tmp, CP0EnLo_XI);
5469 tcg_gen_deposit_tl(tmp, tmp, arg, 30, 2);
5470 }
5471 #endif
5472 gen_move_low32(arg, tmp);
5473 }
5474 register_name = "EntryLo1";
5475 break;
5476 case CP0_REG03__GLOBALNUM:
5477 CP0_CHECK(ctx->vp);
5478 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_GlobalNumber));
5479 register_name = "GlobalNumber";
5480 break;
5481 default:
5482 goto cp0_unimplemented;
5483 }
5484 break;
5485 case CP0_REGISTER_04:
5486 switch (sel) {
5487 case CP0_REG04__CONTEXT:
5488 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_Context));
5489 tcg_gen_ext32s_tl(arg, arg);
5490 register_name = "Context";
5491 break;
5492 case CP0_REG04__CONTEXTCONFIG:
5493 /* SmartMIPS ASE */
5494 /* gen_helper_mfc0_contextconfig(arg); */
5495 register_name = "ContextConfig";
5496 goto cp0_unimplemented;
5497 case CP0_REG04__USERLOCAL:
5498 CP0_CHECK(ctx->ulri);
5499 tcg_gen_ld_tl(arg, tcg_env,
5500 offsetof(CPUMIPSState, active_tc.CP0_UserLocal));
5501 tcg_gen_ext32s_tl(arg, arg);
5502 register_name = "UserLocal";
5503 break;
5504 case CP0_REG04__MMID:
5505 CP0_CHECK(ctx->mi);
5506 gen_helper_mtc0_memorymapid(tcg_env, arg);
5507 register_name = "MMID";
5508 break;
5509 default:
5510 goto cp0_unimplemented;
5511 }
5512 break;
5513 case CP0_REGISTER_05:
5514 switch (sel) {
5515 case CP0_REG05__PAGEMASK:
5516 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PageMask));
5517 register_name = "PageMask";
5518 break;
5519 case CP0_REG05__PAGEGRAIN:
5520 check_insn(ctx, ISA_MIPS_R2);
5521 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PageGrain));
5522 register_name = "PageGrain";
5523 break;
5524 case CP0_REG05__SEGCTL0:
5525 CP0_CHECK(ctx->sc);
5526 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_SegCtl0));
5527 tcg_gen_ext32s_tl(arg, arg);
5528 register_name = "SegCtl0";
5529 break;
5530 case CP0_REG05__SEGCTL1:
5531 CP0_CHECK(ctx->sc);
5532 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_SegCtl1));
5533 tcg_gen_ext32s_tl(arg, arg);
5534 register_name = "SegCtl1";
5535 break;
5536 case CP0_REG05__SEGCTL2:
5537 CP0_CHECK(ctx->sc);
5538 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_SegCtl2));
5539 tcg_gen_ext32s_tl(arg, arg);
5540 register_name = "SegCtl2";
5541 break;
5542 case CP0_REG05__PWBASE:
5543 check_pw(ctx);
5544 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PWBase));
5545 register_name = "PWBase";
5546 break;
5547 case CP0_REG05__PWFIELD:
5548 check_pw(ctx);
5549 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PWField));
5550 register_name = "PWField";
5551 break;
5552 case CP0_REG05__PWSIZE:
5553 check_pw(ctx);
5554 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PWSize));
5555 register_name = "PWSize";
5556 break;
5557 default:
5558 goto cp0_unimplemented;
5559 }
5560 break;
5561 case CP0_REGISTER_06:
5562 switch (sel) {
5563 case CP0_REG06__WIRED:
5564 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Wired));
5565 register_name = "Wired";
5566 break;
5567 case CP0_REG06__SRSCONF0:
5568 check_insn(ctx, ISA_MIPS_R2);
5569 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSConf0));
5570 register_name = "SRSConf0";
5571 break;
5572 case CP0_REG06__SRSCONF1:
5573 check_insn(ctx, ISA_MIPS_R2);
5574 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSConf1));
5575 register_name = "SRSConf1";
5576 break;
5577 case CP0_REG06__SRSCONF2:
5578 check_insn(ctx, ISA_MIPS_R2);
5579 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSConf2));
5580 register_name = "SRSConf2";
5581 break;
5582 case CP0_REG06__SRSCONF3:
5583 check_insn(ctx, ISA_MIPS_R2);
5584 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSConf3));
5585 register_name = "SRSConf3";
5586 break;
5587 case CP0_REG06__SRSCONF4:
5588 check_insn(ctx, ISA_MIPS_R2);
5589 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSConf4));
5590 register_name = "SRSConf4";
5591 break;
5592 case CP0_REG06__PWCTL:
5593 check_pw(ctx);
5594 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PWCtl));
5595 register_name = "PWCtl";
5596 break;
5597 default:
5598 goto cp0_unimplemented;
5599 }
5600 break;
5601 case CP0_REGISTER_07:
5602 switch (sel) {
5603 case CP0_REG07__HWRENA:
5604 check_insn(ctx, ISA_MIPS_R2);
5605 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_HWREna));
5606 register_name = "HWREna";
5607 break;
5608 default:
5609 goto cp0_unimplemented;
5610 }
5611 break;
5612 case CP0_REGISTER_08:
5613 switch (sel) {
5614 case CP0_REG08__BADVADDR:
5615 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_BadVAddr));
5616 tcg_gen_ext32s_tl(arg, arg);
5617 register_name = "BadVAddr";
5618 break;
5619 case CP0_REG08__BADINSTR:
5620 CP0_CHECK(ctx->bi);
5621 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_BadInstr));
5622 register_name = "BadInstr";
5623 break;
5624 case CP0_REG08__BADINSTRP:
5625 CP0_CHECK(ctx->bp);
5626 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_BadInstrP));
5627 register_name = "BadInstrP";
5628 break;
5629 case CP0_REG08__BADINSTRX:
5630 CP0_CHECK(ctx->bi);
5631 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_BadInstrX));
5632 tcg_gen_andi_tl(arg, arg, ~0xffff);
5633 register_name = "BadInstrX";
5634 break;
5635 default:
5636 goto cp0_unimplemented;
5637 }
5638 break;
5639 case CP0_REGISTER_09:
5640 switch (sel) {
5641 case CP0_REG09__COUNT:
5642 /* Mark as an IO operation because we read the time. */
5643 translator_io_start(&ctx->base);
5644
5645 gen_helper_mfc0_count(arg, tcg_env);
5646 /*
5647 * Break the TB to be able to take timer interrupts immediately
5648 * after reading count. DISAS_STOP isn't sufficient, we need to
5649 * ensure we break completely out of translated code.
5650 */
5651 gen_save_pc(ctx->base.pc_next + 4);
5652 ctx->base.is_jmp = DISAS_EXIT;
5653 register_name = "Count";
5654 break;
5655 default:
5656 goto cp0_unimplemented;
5657 }
5658 break;
5659 case CP0_REGISTER_10:
5660 switch (sel) {
5661 case CP0_REG10__ENTRYHI:
5662 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_EntryHi));
5663 tcg_gen_ext32s_tl(arg, arg);
5664 register_name = "EntryHi";
5665 break;
5666 default:
5667 goto cp0_unimplemented;
5668 }
5669 break;
5670 case CP0_REGISTER_11:
5671 switch (sel) {
5672 case CP0_REG11__COMPARE:
5673 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Compare));
5674 register_name = "Compare";
5675 break;
5676 /* 6,7 are implementation dependent */
5677 default:
5678 goto cp0_unimplemented;
5679 }
5680 break;
5681 case CP0_REGISTER_12:
5682 switch (sel) {
5683 case CP0_REG12__STATUS:
5684 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Status));
5685 register_name = "Status";
5686 break;
5687 case CP0_REG12__INTCTL:
5688 check_insn(ctx, ISA_MIPS_R2);
5689 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_IntCtl));
5690 register_name = "IntCtl";
5691 break;
5692 case CP0_REG12__SRSCTL:
5693 check_insn(ctx, ISA_MIPS_R2);
5694 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSCtl));
5695 register_name = "SRSCtl";
5696 break;
5697 case CP0_REG12__SRSMAP:
5698 check_insn(ctx, ISA_MIPS_R2);
5699 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSMap));
5700 register_name = "SRSMap";
5701 break;
5702 default:
5703 goto cp0_unimplemented;
5704 }
5705 break;
5706 case CP0_REGISTER_13:
5707 switch (sel) {
5708 case CP0_REG13__CAUSE:
5709 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Cause));
5710 register_name = "Cause";
5711 break;
5712 default:
5713 goto cp0_unimplemented;
5714 }
5715 break;
5716 case CP0_REGISTER_14:
5717 switch (sel) {
5718 case CP0_REG14__EPC:
5719 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_EPC));
5720 tcg_gen_ext32s_tl(arg, arg);
5721 register_name = "EPC";
5722 break;
5723 default:
5724 goto cp0_unimplemented;
5725 }
5726 break;
5727 case CP0_REGISTER_15:
5728 switch (sel) {
5729 case CP0_REG15__PRID:
5730 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PRid));
5731 register_name = "PRid";
5732 break;
5733 case CP0_REG15__EBASE:
5734 check_insn(ctx, ISA_MIPS_R2);
5735 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_EBase));
5736 tcg_gen_ext32s_tl(arg, arg);
5737 register_name = "EBase";
5738 break;
5739 case CP0_REG15__CMGCRBASE:
5740 check_insn(ctx, ISA_MIPS_R2);
5741 CP0_CHECK(ctx->cmgcr);
5742 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_CMGCRBase));
5743 tcg_gen_ext32s_tl(arg, arg);
5744 register_name = "CMGCRBase";
5745 break;
5746 default:
5747 goto cp0_unimplemented;
5748 }
5749 break;
5750 case CP0_REGISTER_16:
5751 switch (sel) {
5752 case CP0_REG16__CONFIG:
5753 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config0));
5754 register_name = "Config";
5755 break;
5756 case CP0_REG16__CONFIG1:
5757 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config1));
5758 register_name = "Config1";
5759 break;
5760 case CP0_REG16__CONFIG2:
5761 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config2));
5762 register_name = "Config2";
5763 break;
5764 case CP0_REG16__CONFIG3:
5765 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config3));
5766 register_name = "Config3";
5767 break;
5768 case CP0_REG16__CONFIG4:
5769 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config4));
5770 register_name = "Config4";
5771 break;
5772 case CP0_REG16__CONFIG5:
5773 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config5));
5774 register_name = "Config5";
5775 break;
5776 /* 6,7 are implementation dependent */
5777 case CP0_REG16__CONFIG6:
5778 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config6));
5779 register_name = "Config6";
5780 break;
5781 case CP0_REG16__CONFIG7:
5782 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config7));
5783 register_name = "Config7";
5784 break;
5785 default:
5786 goto cp0_unimplemented;
5787 }
5788 break;
5789 case CP0_REGISTER_17:
5790 switch (sel) {
5791 case CP0_REG17__LLADDR:
5792 gen_helper_mfc0_lladdr(arg, tcg_env);
5793 register_name = "LLAddr";
5794 break;
5795 case CP0_REG17__MAAR:
5796 CP0_CHECK(ctx->mrp);
5797 gen_helper_mfc0_maar(arg, tcg_env);
5798 register_name = "MAAR";
5799 break;
5800 case CP0_REG17__MAARI:
5801 CP0_CHECK(ctx->mrp);
5802 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_MAARI));
5803 register_name = "MAARI";
5804 break;
5805 default:
5806 goto cp0_unimplemented;
5807 }
5808 break;
5809 case CP0_REGISTER_18:
5810 switch (sel) {
5811 case CP0_REG18__WATCHLO0:
5812 case CP0_REG18__WATCHLO1:
5813 case CP0_REG18__WATCHLO2:
5814 case CP0_REG18__WATCHLO3:
5815 case CP0_REG18__WATCHLO4:
5816 case CP0_REG18__WATCHLO5:
5817 case CP0_REG18__WATCHLO6:
5818 case CP0_REG18__WATCHLO7:
5819 CP0_CHECK(ctx->CP0_Config1 & (1 << CP0C1_WR));
5820 gen_helper_1e0i(mfc0_watchlo, arg, sel);
5821 register_name = "WatchLo";
5822 break;
5823 default:
5824 goto cp0_unimplemented;
5825 }
5826 break;
5827 case CP0_REGISTER_19:
5828 switch (sel) {
5829 case CP0_REG19__WATCHHI0:
5830 case CP0_REG19__WATCHHI1:
5831 case CP0_REG19__WATCHHI2:
5832 case CP0_REG19__WATCHHI3:
5833 case CP0_REG19__WATCHHI4:
5834 case CP0_REG19__WATCHHI5:
5835 case CP0_REG19__WATCHHI6:
5836 case CP0_REG19__WATCHHI7:
5837 CP0_CHECK(ctx->CP0_Config1 & (1 << CP0C1_WR));
5838 gen_helper_1e0i(mfc0_watchhi, arg, sel);
5839 register_name = "WatchHi";
5840 break;
5841 default:
5842 goto cp0_unimplemented;
5843 }
5844 break;
5845 case CP0_REGISTER_20:
5846 switch (sel) {
5847 case CP0_REG20__XCONTEXT:
5848 #if defined(TARGET_MIPS64)
5849 check_insn(ctx, ISA_MIPS3);
5850 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_XContext));
5851 tcg_gen_ext32s_tl(arg, arg);
5852 register_name = "XContext";
5853 break;
5854 #endif
5855 default:
5856 goto cp0_unimplemented;
5857 }
5858 break;
5859 case CP0_REGISTER_21:
5860 /* Officially reserved, but sel 0 is used for R1x000 framemask */
5861 CP0_CHECK(!(ctx->insn_flags & ISA_MIPS_R6));
5862 switch (sel) {
5863 case 0:
5864 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Framemask));
5865 register_name = "Framemask";
5866 break;
5867 default:
5868 goto cp0_unimplemented;
5869 }
5870 break;
5871 case CP0_REGISTER_22:
5872 tcg_gen_movi_tl(arg, 0); /* unimplemented */
5873 register_name = "'Diagnostic"; /* implementation dependent */
5874 break;
5875 case CP0_REGISTER_23:
5876 switch (sel) {
5877 case CP0_REG23__DEBUG:
5878 gen_helper_mfc0_debug(arg, tcg_env); /* EJTAG support */
5879 register_name = "Debug";
5880 break;
5881 case CP0_REG23__TRACECONTROL:
5882 /* PDtrace support */
5883 /* gen_helper_mfc0_tracecontrol(arg); */
5884 register_name = "TraceControl";
5885 goto cp0_unimplemented;
5886 case CP0_REG23__TRACECONTROL2:
5887 /* PDtrace support */
5888 /* gen_helper_mfc0_tracecontrol2(arg); */
5889 register_name = "TraceControl2";
5890 goto cp0_unimplemented;
5891 case CP0_REG23__USERTRACEDATA1:
5892 /* PDtrace support */
5893 /* gen_helper_mfc0_usertracedata1(arg);*/
5894 register_name = "UserTraceData1";
5895 goto cp0_unimplemented;
5896 case CP0_REG23__TRACEIBPC:
5897 /* PDtrace support */
5898 /* gen_helper_mfc0_traceibpc(arg); */
5899 register_name = "TraceIBPC";
5900 goto cp0_unimplemented;
5901 case CP0_REG23__TRACEDBPC:
5902 /* PDtrace support */
5903 /* gen_helper_mfc0_tracedbpc(arg); */
5904 register_name = "TraceDBPC";
5905 goto cp0_unimplemented;
5906 default:
5907 goto cp0_unimplemented;
5908 }
5909 break;
5910 case CP0_REGISTER_24:
5911 switch (sel) {
5912 case CP0_REG24__DEPC:
5913 /* EJTAG support */
5914 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_DEPC));
5915 tcg_gen_ext32s_tl(arg, arg);
5916 register_name = "DEPC";
5917 break;
5918 default:
5919 goto cp0_unimplemented;
5920 }
5921 break;
5922 case CP0_REGISTER_25:
5923 switch (sel) {
5924 case CP0_REG25__PERFCTL0:
5925 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Performance0));
5926 register_name = "Performance0";
5927 break;
5928 case CP0_REG25__PERFCNT0:
5929 /* gen_helper_mfc0_performance1(arg); */
5930 register_name = "Performance1";
5931 goto cp0_unimplemented;
5932 case CP0_REG25__PERFCTL1:
5933 /* gen_helper_mfc0_performance2(arg); */
5934 register_name = "Performance2";
5935 goto cp0_unimplemented;
5936 case CP0_REG25__PERFCNT1:
5937 /* gen_helper_mfc0_performance3(arg); */
5938 register_name = "Performance3";
5939 goto cp0_unimplemented;
5940 case CP0_REG25__PERFCTL2:
5941 /* gen_helper_mfc0_performance4(arg); */
5942 register_name = "Performance4";
5943 goto cp0_unimplemented;
5944 case CP0_REG25__PERFCNT2:
5945 /* gen_helper_mfc0_performance5(arg); */
5946 register_name = "Performance5";
5947 goto cp0_unimplemented;
5948 case CP0_REG25__PERFCTL3:
5949 /* gen_helper_mfc0_performance6(arg); */
5950 register_name = "Performance6";
5951 goto cp0_unimplemented;
5952 case CP0_REG25__PERFCNT3:
5953 /* gen_helper_mfc0_performance7(arg); */
5954 register_name = "Performance7";
5955 goto cp0_unimplemented;
5956 default:
5957 goto cp0_unimplemented;
5958 }
5959 break;
5960 case CP0_REGISTER_26:
5961 switch (sel) {
5962 case CP0_REG26__ERRCTL:
5963 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_ErrCtl));
5964 register_name = "ErrCtl";
5965 break;
5966 default:
5967 goto cp0_unimplemented;
5968 }
5969 break;
5970 case CP0_REGISTER_27:
5971 switch (sel) {
5972 case CP0_REG27__CACHERR:
5973 tcg_gen_movi_tl(arg, 0); /* unimplemented */
5974 register_name = "CacheErr";
5975 break;
5976 default:
5977 goto cp0_unimplemented;
5978 }
5979 break;
5980 case CP0_REGISTER_28:
5981 switch (sel) {
5982 case CP0_REG28__TAGLO:
5983 case CP0_REG28__TAGLO1:
5984 case CP0_REG28__TAGLO2:
5985 case CP0_REG28__TAGLO3:
5986 {
5987 TCGv_i64 tmp = tcg_temp_new_i64();
5988 tcg_gen_ld_i64(tmp, tcg_env, offsetof(CPUMIPSState, CP0_TagLo));
5989 gen_move_low32(arg, tmp);
5990 }
5991 register_name = "TagLo";
5992 break;
5993 case CP0_REG28__DATALO:
5994 case CP0_REG28__DATALO1:
5995 case CP0_REG28__DATALO2:
5996 case CP0_REG28__DATALO3:
5997 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_DataLo));
5998 register_name = "DataLo";
5999 break;
6000 default:
6001 goto cp0_unimplemented;
6002 }
6003 break;
6004 case CP0_REGISTER_29:
6005 switch (sel) {
6006 case CP0_REG29__TAGHI:
6007 case CP0_REG29__TAGHI1:
6008 case CP0_REG29__TAGHI2:
6009 case CP0_REG29__TAGHI3:
6010 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_TagHi));
6011 register_name = "TagHi";
6012 break;
6013 case CP0_REG29__DATAHI:
6014 case CP0_REG29__DATAHI1:
6015 case CP0_REG29__DATAHI2:
6016 case CP0_REG29__DATAHI3:
6017 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_DataHi));
6018 register_name = "DataHi";
6019 break;
6020 default:
6021 goto cp0_unimplemented;
6022 }
6023 break;
6024 case CP0_REGISTER_30:
6025 switch (sel) {
6026 case CP0_REG30__ERROREPC:
6027 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_ErrorEPC));
6028 tcg_gen_ext32s_tl(arg, arg);
6029 register_name = "ErrorEPC";
6030 break;
6031 default:
6032 goto cp0_unimplemented;
6033 }
6034 break;
6035 case CP0_REGISTER_31:
6036 switch (sel) {
6037 case CP0_REG31__DESAVE:
6038 /* EJTAG support */
6039 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_DESAVE));
6040 register_name = "DESAVE";
6041 break;
6042 case CP0_REG31__KSCRATCH1:
6043 case CP0_REG31__KSCRATCH2:
6044 case CP0_REG31__KSCRATCH3:
6045 case CP0_REG31__KSCRATCH4:
6046 case CP0_REG31__KSCRATCH5:
6047 case CP0_REG31__KSCRATCH6:
6048 CP0_CHECK(ctx->kscrexist & (1 << sel));
6049 tcg_gen_ld_tl(arg, tcg_env,
6050 offsetof(CPUMIPSState, CP0_KScratch[sel - 2]));
6051 tcg_gen_ext32s_tl(arg, arg);
6052 register_name = "KScratch";
6053 break;
6054 default:
6055 goto cp0_unimplemented;
6056 }
6057 break;
6058 default:
6059 goto cp0_unimplemented;
6060 }
6061 trace_mips_translate_c0("mfc0", register_name, reg, sel);
6062 return;
6063
6064 cp0_unimplemented:
6065 qemu_log_mask(LOG_UNIMP, "mfc0 %s (reg %d sel %d)\n",
6066 register_name, reg, sel);
6067 gen_mfc0_unimplemented(ctx, arg);
6068 }
6069
gen_mtc0(DisasContext * ctx,TCGv arg,int reg,int sel)6070 static void gen_mtc0(DisasContext *ctx, TCGv arg, int reg, int sel)
6071 {
6072 const char *register_name = "invalid";
6073 bool icount;
6074
6075 if (sel != 0) {
6076 check_insn(ctx, ISA_MIPS_R1);
6077 }
6078
6079 icount = translator_io_start(&ctx->base);
6080
6081 switch (reg) {
6082 case CP0_REGISTER_00:
6083 switch (sel) {
6084 case CP0_REG00__INDEX:
6085 gen_helper_mtc0_index(tcg_env, arg);
6086 register_name = "Index";
6087 break;
6088 case CP0_REG00__MVPCONTROL:
6089 CP0_CHECK(ctx->insn_flags & ASE_MT);
6090 gen_helper_mtc0_mvpcontrol(tcg_env, arg);
6091 register_name = "MVPControl";
6092 break;
6093 case CP0_REG00__MVPCONF0:
6094 CP0_CHECK(ctx->insn_flags & ASE_MT);
6095 /* ignored */
6096 register_name = "MVPConf0";
6097 break;
6098 case CP0_REG00__MVPCONF1:
6099 CP0_CHECK(ctx->insn_flags & ASE_MT);
6100 /* ignored */
6101 register_name = "MVPConf1";
6102 break;
6103 case CP0_REG00__VPCONTROL:
6104 CP0_CHECK(ctx->vp);
6105 /* ignored */
6106 register_name = "VPControl";
6107 break;
6108 default:
6109 goto cp0_unimplemented;
6110 }
6111 break;
6112 case CP0_REGISTER_01:
6113 switch (sel) {
6114 case CP0_REG01__RANDOM:
6115 /* ignored */
6116 register_name = "Random";
6117 break;
6118 case CP0_REG01__VPECONTROL:
6119 CP0_CHECK(ctx->insn_flags & ASE_MT);
6120 gen_helper_mtc0_vpecontrol(tcg_env, arg);
6121 register_name = "VPEControl";
6122 break;
6123 case CP0_REG01__VPECONF0:
6124 CP0_CHECK(ctx->insn_flags & ASE_MT);
6125 gen_helper_mtc0_vpeconf0(tcg_env, arg);
6126 register_name = "VPEConf0";
6127 break;
6128 case CP0_REG01__VPECONF1:
6129 CP0_CHECK(ctx->insn_flags & ASE_MT);
6130 gen_helper_mtc0_vpeconf1(tcg_env, arg);
6131 register_name = "VPEConf1";
6132 break;
6133 case CP0_REG01__YQMASK:
6134 CP0_CHECK(ctx->insn_flags & ASE_MT);
6135 gen_helper_mtc0_yqmask(tcg_env, arg);
6136 register_name = "YQMask";
6137 break;
6138 case CP0_REG01__VPESCHEDULE:
6139 CP0_CHECK(ctx->insn_flags & ASE_MT);
6140 tcg_gen_st_tl(arg, tcg_env,
6141 offsetof(CPUMIPSState, CP0_VPESchedule));
6142 register_name = "VPESchedule";
6143 break;
6144 case CP0_REG01__VPESCHEFBACK:
6145 CP0_CHECK(ctx->insn_flags & ASE_MT);
6146 tcg_gen_st_tl(arg, tcg_env,
6147 offsetof(CPUMIPSState, CP0_VPEScheFBack));
6148 register_name = "VPEScheFBack";
6149 break;
6150 case CP0_REG01__VPEOPT:
6151 CP0_CHECK(ctx->insn_flags & ASE_MT);
6152 gen_helper_mtc0_vpeopt(tcg_env, arg);
6153 register_name = "VPEOpt";
6154 break;
6155 default:
6156 goto cp0_unimplemented;
6157 }
6158 break;
6159 case CP0_REGISTER_02:
6160 switch (sel) {
6161 case CP0_REG02__ENTRYLO0:
6162 gen_helper_mtc0_entrylo0(tcg_env, arg);
6163 register_name = "EntryLo0";
6164 break;
6165 case CP0_REG02__TCSTATUS:
6166 CP0_CHECK(ctx->insn_flags & ASE_MT);
6167 gen_helper_mtc0_tcstatus(tcg_env, arg);
6168 register_name = "TCStatus";
6169 break;
6170 case CP0_REG02__TCBIND:
6171 CP0_CHECK(ctx->insn_flags & ASE_MT);
6172 gen_helper_mtc0_tcbind(tcg_env, arg);
6173 register_name = "TCBind";
6174 break;
6175 case CP0_REG02__TCRESTART:
6176 CP0_CHECK(ctx->insn_flags & ASE_MT);
6177 gen_helper_mtc0_tcrestart(tcg_env, arg);
6178 register_name = "TCRestart";
6179 break;
6180 case CP0_REG02__TCHALT:
6181 CP0_CHECK(ctx->insn_flags & ASE_MT);
6182 gen_helper_mtc0_tchalt(tcg_env, arg);
6183 register_name = "TCHalt";
6184 break;
6185 case CP0_REG02__TCCONTEXT:
6186 CP0_CHECK(ctx->insn_flags & ASE_MT);
6187 gen_helper_mtc0_tccontext(tcg_env, arg);
6188 register_name = "TCContext";
6189 break;
6190 case CP0_REG02__TCSCHEDULE:
6191 CP0_CHECK(ctx->insn_flags & ASE_MT);
6192 gen_helper_mtc0_tcschedule(tcg_env, arg);
6193 register_name = "TCSchedule";
6194 break;
6195 case CP0_REG02__TCSCHEFBACK:
6196 CP0_CHECK(ctx->insn_flags & ASE_MT);
6197 gen_helper_mtc0_tcschefback(tcg_env, arg);
6198 register_name = "TCScheFBack";
6199 break;
6200 default:
6201 goto cp0_unimplemented;
6202 }
6203 break;
6204 case CP0_REGISTER_03:
6205 switch (sel) {
6206 case CP0_REG03__ENTRYLO1:
6207 gen_helper_mtc0_entrylo1(tcg_env, arg);
6208 register_name = "EntryLo1";
6209 break;
6210 case CP0_REG03__GLOBALNUM:
6211 CP0_CHECK(ctx->vp);
6212 /* ignored */
6213 register_name = "GlobalNumber";
6214 break;
6215 default:
6216 goto cp0_unimplemented;
6217 }
6218 break;
6219 case CP0_REGISTER_04:
6220 switch (sel) {
6221 case CP0_REG04__CONTEXT:
6222 gen_helper_mtc0_context(tcg_env, arg);
6223 register_name = "Context";
6224 break;
6225 case CP0_REG04__CONTEXTCONFIG:
6226 /* SmartMIPS ASE */
6227 /* gen_helper_mtc0_contextconfig(arg); */
6228 register_name = "ContextConfig";
6229 goto cp0_unimplemented;
6230 case CP0_REG04__USERLOCAL:
6231 CP0_CHECK(ctx->ulri);
6232 tcg_gen_st_tl(arg, tcg_env,
6233 offsetof(CPUMIPSState, active_tc.CP0_UserLocal));
6234 register_name = "UserLocal";
6235 break;
6236 case CP0_REG04__MMID:
6237 CP0_CHECK(ctx->mi);
6238 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_MemoryMapID));
6239 register_name = "MMID";
6240 break;
6241 default:
6242 goto cp0_unimplemented;
6243 }
6244 break;
6245 case CP0_REGISTER_05:
6246 switch (sel) {
6247 case CP0_REG05__PAGEMASK:
6248 gen_helper_mtc0_pagemask(tcg_env, arg);
6249 register_name = "PageMask";
6250 break;
6251 case CP0_REG05__PAGEGRAIN:
6252 check_insn(ctx, ISA_MIPS_R2);
6253 gen_helper_mtc0_pagegrain(tcg_env, arg);
6254 register_name = "PageGrain";
6255 ctx->base.is_jmp = DISAS_STOP;
6256 break;
6257 case CP0_REG05__SEGCTL0:
6258 CP0_CHECK(ctx->sc);
6259 gen_helper_mtc0_segctl0(tcg_env, arg);
6260 register_name = "SegCtl0";
6261 break;
6262 case CP0_REG05__SEGCTL1:
6263 CP0_CHECK(ctx->sc);
6264 gen_helper_mtc0_segctl1(tcg_env, arg);
6265 register_name = "SegCtl1";
6266 break;
6267 case CP0_REG05__SEGCTL2:
6268 CP0_CHECK(ctx->sc);
6269 gen_helper_mtc0_segctl2(tcg_env, arg);
6270 register_name = "SegCtl2";
6271 break;
6272 case CP0_REG05__PWBASE:
6273 check_pw(ctx);
6274 gen_mtc0_store32(arg, offsetof(CPUMIPSState, CP0_PWBase));
6275 register_name = "PWBase";
6276 break;
6277 case CP0_REG05__PWFIELD:
6278 check_pw(ctx);
6279 gen_helper_mtc0_pwfield(tcg_env, arg);
6280 register_name = "PWField";
6281 break;
6282 case CP0_REG05__PWSIZE:
6283 check_pw(ctx);
6284 gen_helper_mtc0_pwsize(tcg_env, arg);
6285 register_name = "PWSize";
6286 break;
6287 default:
6288 goto cp0_unimplemented;
6289 }
6290 break;
6291 case CP0_REGISTER_06:
6292 switch (sel) {
6293 case CP0_REG06__WIRED:
6294 gen_helper_mtc0_wired(tcg_env, arg);
6295 register_name = "Wired";
6296 break;
6297 case CP0_REG06__SRSCONF0:
6298 check_insn(ctx, ISA_MIPS_R2);
6299 gen_helper_mtc0_srsconf0(tcg_env, arg);
6300 register_name = "SRSConf0";
6301 break;
6302 case CP0_REG06__SRSCONF1:
6303 check_insn(ctx, ISA_MIPS_R2);
6304 gen_helper_mtc0_srsconf1(tcg_env, arg);
6305 register_name = "SRSConf1";
6306 break;
6307 case CP0_REG06__SRSCONF2:
6308 check_insn(ctx, ISA_MIPS_R2);
6309 gen_helper_mtc0_srsconf2(tcg_env, arg);
6310 register_name = "SRSConf2";
6311 break;
6312 case CP0_REG06__SRSCONF3:
6313 check_insn(ctx, ISA_MIPS_R2);
6314 gen_helper_mtc0_srsconf3(tcg_env, arg);
6315 register_name = "SRSConf3";
6316 break;
6317 case CP0_REG06__SRSCONF4:
6318 check_insn(ctx, ISA_MIPS_R2);
6319 gen_helper_mtc0_srsconf4(tcg_env, arg);
6320 register_name = "SRSConf4";
6321 break;
6322 case CP0_REG06__PWCTL:
6323 check_pw(ctx);
6324 gen_helper_mtc0_pwctl(tcg_env, arg);
6325 register_name = "PWCtl";
6326 break;
6327 default:
6328 goto cp0_unimplemented;
6329 }
6330 break;
6331 case CP0_REGISTER_07:
6332 switch (sel) {
6333 case CP0_REG07__HWRENA:
6334 check_insn(ctx, ISA_MIPS_R2);
6335 gen_helper_mtc0_hwrena(tcg_env, arg);
6336 ctx->base.is_jmp = DISAS_STOP;
6337 register_name = "HWREna";
6338 break;
6339 default:
6340 goto cp0_unimplemented;
6341 }
6342 break;
6343 case CP0_REGISTER_08:
6344 switch (sel) {
6345 case CP0_REG08__BADVADDR:
6346 /* ignored */
6347 register_name = "BadVAddr";
6348 break;
6349 case CP0_REG08__BADINSTR:
6350 /* ignored */
6351 register_name = "BadInstr";
6352 break;
6353 case CP0_REG08__BADINSTRP:
6354 /* ignored */
6355 register_name = "BadInstrP";
6356 break;
6357 case CP0_REG08__BADINSTRX:
6358 /* ignored */
6359 register_name = "BadInstrX";
6360 break;
6361 default:
6362 goto cp0_unimplemented;
6363 }
6364 break;
6365 case CP0_REGISTER_09:
6366 switch (sel) {
6367 case CP0_REG09__COUNT:
6368 gen_helper_mtc0_count(tcg_env, arg);
6369 register_name = "Count";
6370 break;
6371 default:
6372 goto cp0_unimplemented;
6373 }
6374 break;
6375 case CP0_REGISTER_10:
6376 switch (sel) {
6377 case CP0_REG10__ENTRYHI:
6378 gen_helper_mtc0_entryhi(tcg_env, arg);
6379 register_name = "EntryHi";
6380 break;
6381 default:
6382 goto cp0_unimplemented;
6383 }
6384 break;
6385 case CP0_REGISTER_11:
6386 switch (sel) {
6387 case CP0_REG11__COMPARE:
6388 gen_helper_mtc0_compare(tcg_env, arg);
6389 register_name = "Compare";
6390 break;
6391 /* 6,7 are implementation dependent */
6392 default:
6393 goto cp0_unimplemented;
6394 }
6395 break;
6396 case CP0_REGISTER_12:
6397 switch (sel) {
6398 case CP0_REG12__STATUS:
6399 save_cpu_state(ctx, 1);
6400 gen_helper_mtc0_status(tcg_env, arg);
6401 /* DISAS_STOP isn't good enough here, hflags may have changed. */
6402 gen_save_pc(ctx->base.pc_next + 4);
6403 ctx->base.is_jmp = DISAS_EXIT;
6404 register_name = "Status";
6405 break;
6406 case CP0_REG12__INTCTL:
6407 check_insn(ctx, ISA_MIPS_R2);
6408 gen_helper_mtc0_intctl(tcg_env, arg);
6409 /* Stop translation as we may have switched the execution mode */
6410 ctx->base.is_jmp = DISAS_STOP;
6411 register_name = "IntCtl";
6412 break;
6413 case CP0_REG12__SRSCTL:
6414 check_insn(ctx, ISA_MIPS_R2);
6415 gen_helper_mtc0_srsctl(tcg_env, arg);
6416 /* Stop translation as we may have switched the execution mode */
6417 ctx->base.is_jmp = DISAS_STOP;
6418 register_name = "SRSCtl";
6419 break;
6420 case CP0_REG12__SRSMAP:
6421 check_insn(ctx, ISA_MIPS_R2);
6422 gen_mtc0_store32(arg, offsetof(CPUMIPSState, CP0_SRSMap));
6423 /* Stop translation as we may have switched the execution mode */
6424 ctx->base.is_jmp = DISAS_STOP;
6425 register_name = "SRSMap";
6426 break;
6427 default:
6428 goto cp0_unimplemented;
6429 }
6430 break;
6431 case CP0_REGISTER_13:
6432 switch (sel) {
6433 case CP0_REG13__CAUSE:
6434 save_cpu_state(ctx, 1);
6435 gen_helper_mtc0_cause(tcg_env, arg);
6436 /*
6437 * Stop translation as we may have triggered an interrupt.
6438 * DISAS_STOP isn't sufficient, we need to ensure we break out of
6439 * translated code to check for pending interrupts.
6440 */
6441 gen_save_pc(ctx->base.pc_next + 4);
6442 ctx->base.is_jmp = DISAS_EXIT;
6443 register_name = "Cause";
6444 break;
6445 default:
6446 goto cp0_unimplemented;
6447 }
6448 break;
6449 case CP0_REGISTER_14:
6450 switch (sel) {
6451 case CP0_REG14__EPC:
6452 tcg_gen_st_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_EPC));
6453 register_name = "EPC";
6454 break;
6455 default:
6456 goto cp0_unimplemented;
6457 }
6458 break;
6459 case CP0_REGISTER_15:
6460 switch (sel) {
6461 case CP0_REG15__PRID:
6462 /* ignored */
6463 register_name = "PRid";
6464 break;
6465 case CP0_REG15__EBASE:
6466 check_insn(ctx, ISA_MIPS_R2);
6467 gen_helper_mtc0_ebase(tcg_env, arg);
6468 register_name = "EBase";
6469 break;
6470 default:
6471 goto cp0_unimplemented;
6472 }
6473 break;
6474 case CP0_REGISTER_16:
6475 switch (sel) {
6476 case CP0_REG16__CONFIG:
6477 gen_helper_mtc0_config0(tcg_env, arg);
6478 register_name = "Config";
6479 /* Stop translation as we may have switched the execution mode */
6480 ctx->base.is_jmp = DISAS_STOP;
6481 break;
6482 case CP0_REG16__CONFIG1:
6483 /* ignored, read only */
6484 register_name = "Config1";
6485 break;
6486 case CP0_REG16__CONFIG2:
6487 gen_helper_mtc0_config2(tcg_env, arg);
6488 register_name = "Config2";
6489 /* Stop translation as we may have switched the execution mode */
6490 ctx->base.is_jmp = DISAS_STOP;
6491 break;
6492 case CP0_REG16__CONFIG3:
6493 gen_helper_mtc0_config3(tcg_env, arg);
6494 register_name = "Config3";
6495 /* Stop translation as we may have switched the execution mode */
6496 ctx->base.is_jmp = DISAS_STOP;
6497 break;
6498 case CP0_REG16__CONFIG4:
6499 gen_helper_mtc0_config4(tcg_env, arg);
6500 register_name = "Config4";
6501 ctx->base.is_jmp = DISAS_STOP;
6502 break;
6503 case CP0_REG16__CONFIG5:
6504 gen_helper_mtc0_config5(tcg_env, arg);
6505 register_name = "Config5";
6506 /* Stop translation as we may have switched the execution mode */
6507 ctx->base.is_jmp = DISAS_STOP;
6508 break;
6509 /* 6,7 are implementation dependent */
6510 case CP0_REG16__CONFIG6:
6511 /* ignored */
6512 register_name = "Config6";
6513 break;
6514 case CP0_REG16__CONFIG7:
6515 /* ignored */
6516 register_name = "Config7";
6517 break;
6518 default:
6519 register_name = "Invalid config selector";
6520 goto cp0_unimplemented;
6521 }
6522 break;
6523 case CP0_REGISTER_17:
6524 switch (sel) {
6525 case CP0_REG17__LLADDR:
6526 gen_helper_mtc0_lladdr(tcg_env, arg);
6527 register_name = "LLAddr";
6528 break;
6529 case CP0_REG17__MAAR:
6530 CP0_CHECK(ctx->mrp);
6531 gen_helper_mtc0_maar(tcg_env, arg);
6532 register_name = "MAAR";
6533 break;
6534 case CP0_REG17__MAARI:
6535 CP0_CHECK(ctx->mrp);
6536 gen_helper_mtc0_maari(tcg_env, arg);
6537 register_name = "MAARI";
6538 break;
6539 default:
6540 goto cp0_unimplemented;
6541 }
6542 break;
6543 case CP0_REGISTER_18:
6544 switch (sel) {
6545 case CP0_REG18__WATCHLO0:
6546 case CP0_REG18__WATCHLO1:
6547 case CP0_REG18__WATCHLO2:
6548 case CP0_REG18__WATCHLO3:
6549 case CP0_REG18__WATCHLO4:
6550 case CP0_REG18__WATCHLO5:
6551 case CP0_REG18__WATCHLO6:
6552 case CP0_REG18__WATCHLO7:
6553 CP0_CHECK(ctx->CP0_Config1 & (1 << CP0C1_WR));
6554 gen_helper_0e1i(mtc0_watchlo, arg, sel);
6555 register_name = "WatchLo";
6556 break;
6557 default:
6558 goto cp0_unimplemented;
6559 }
6560 break;
6561 case CP0_REGISTER_19:
6562 switch (sel) {
6563 case CP0_REG19__WATCHHI0:
6564 case CP0_REG19__WATCHHI1:
6565 case CP0_REG19__WATCHHI2:
6566 case CP0_REG19__WATCHHI3:
6567 case CP0_REG19__WATCHHI4:
6568 case CP0_REG19__WATCHHI5:
6569 case CP0_REG19__WATCHHI6:
6570 case CP0_REG19__WATCHHI7:
6571 CP0_CHECK(ctx->CP0_Config1 & (1 << CP0C1_WR));
6572 gen_helper_0e1i(mtc0_watchhi, arg, sel);
6573 register_name = "WatchHi";
6574 break;
6575 default:
6576 goto cp0_unimplemented;
6577 }
6578 break;
6579 case CP0_REGISTER_20:
6580 switch (sel) {
6581 case CP0_REG20__XCONTEXT:
6582 #if defined(TARGET_MIPS64)
6583 check_insn(ctx, ISA_MIPS3);
6584 gen_helper_mtc0_xcontext(tcg_env, arg);
6585 register_name = "XContext";
6586 break;
6587 #endif
6588 default:
6589 goto cp0_unimplemented;
6590 }
6591 break;
6592 case CP0_REGISTER_21:
6593 /* Officially reserved, but sel 0 is used for R1x000 framemask */
6594 CP0_CHECK(!(ctx->insn_flags & ISA_MIPS_R6));
6595 switch (sel) {
6596 case 0:
6597 gen_helper_mtc0_framemask(tcg_env, arg);
6598 register_name = "Framemask";
6599 break;
6600 default:
6601 goto cp0_unimplemented;
6602 }
6603 break;
6604 case CP0_REGISTER_22:
6605 /* ignored */
6606 register_name = "Diagnostic"; /* implementation dependent */
6607 break;
6608 case CP0_REGISTER_23:
6609 switch (sel) {
6610 case CP0_REG23__DEBUG:
6611 gen_helper_mtc0_debug(tcg_env, arg); /* EJTAG support */
6612 /* DISAS_STOP isn't good enough here, hflags may have changed. */
6613 gen_save_pc(ctx->base.pc_next + 4);
6614 ctx->base.is_jmp = DISAS_EXIT;
6615 register_name = "Debug";
6616 break;
6617 case CP0_REG23__TRACECONTROL:
6618 /* PDtrace support */
6619 /* gen_helper_mtc0_tracecontrol(tcg_env, arg); */
6620 register_name = "TraceControl";
6621 /* Stop translation as we may have switched the execution mode */
6622 ctx->base.is_jmp = DISAS_STOP;
6623 goto cp0_unimplemented;
6624 case CP0_REG23__TRACECONTROL2:
6625 /* PDtrace support */
6626 /* gen_helper_mtc0_tracecontrol2(tcg_env, arg); */
6627 register_name = "TraceControl2";
6628 /* Stop translation as we may have switched the execution mode */
6629 ctx->base.is_jmp = DISAS_STOP;
6630 goto cp0_unimplemented;
6631 case CP0_REG23__USERTRACEDATA1:
6632 /* Stop translation as we may have switched the execution mode */
6633 ctx->base.is_jmp = DISAS_STOP;
6634 /* PDtrace support */
6635 /* gen_helper_mtc0_usertracedata1(tcg_env, arg);*/
6636 register_name = "UserTraceData";
6637 /* Stop translation as we may have switched the execution mode */
6638 ctx->base.is_jmp = DISAS_STOP;
6639 goto cp0_unimplemented;
6640 case CP0_REG23__TRACEIBPC:
6641 /* PDtrace support */
6642 /* gen_helper_mtc0_traceibpc(tcg_env, arg); */
6643 /* Stop translation as we may have switched the execution mode */
6644 ctx->base.is_jmp = DISAS_STOP;
6645 register_name = "TraceIBPC";
6646 goto cp0_unimplemented;
6647 case CP0_REG23__TRACEDBPC:
6648 /* PDtrace support */
6649 /* gen_helper_mtc0_tracedbpc(tcg_env, arg); */
6650 /* Stop translation as we may have switched the execution mode */
6651 ctx->base.is_jmp = DISAS_STOP;
6652 register_name = "TraceDBPC";
6653 goto cp0_unimplemented;
6654 default:
6655 goto cp0_unimplemented;
6656 }
6657 break;
6658 case CP0_REGISTER_24:
6659 switch (sel) {
6660 case CP0_REG24__DEPC:
6661 /* EJTAG support */
6662 tcg_gen_st_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_DEPC));
6663 register_name = "DEPC";
6664 break;
6665 default:
6666 goto cp0_unimplemented;
6667 }
6668 break;
6669 case CP0_REGISTER_25:
6670 switch (sel) {
6671 case CP0_REG25__PERFCTL0:
6672 gen_helper_mtc0_performance0(tcg_env, arg);
6673 register_name = "Performance0";
6674 break;
6675 case CP0_REG25__PERFCNT0:
6676 /* gen_helper_mtc0_performance1(arg); */
6677 register_name = "Performance1";
6678 goto cp0_unimplemented;
6679 case CP0_REG25__PERFCTL1:
6680 /* gen_helper_mtc0_performance2(arg); */
6681 register_name = "Performance2";
6682 goto cp0_unimplemented;
6683 case CP0_REG25__PERFCNT1:
6684 /* gen_helper_mtc0_performance3(arg); */
6685 register_name = "Performance3";
6686 goto cp0_unimplemented;
6687 case CP0_REG25__PERFCTL2:
6688 /* gen_helper_mtc0_performance4(arg); */
6689 register_name = "Performance4";
6690 goto cp0_unimplemented;
6691 case CP0_REG25__PERFCNT2:
6692 /* gen_helper_mtc0_performance5(arg); */
6693 register_name = "Performance5";
6694 goto cp0_unimplemented;
6695 case CP0_REG25__PERFCTL3:
6696 /* gen_helper_mtc0_performance6(arg); */
6697 register_name = "Performance6";
6698 goto cp0_unimplemented;
6699 case CP0_REG25__PERFCNT3:
6700 /* gen_helper_mtc0_performance7(arg); */
6701 register_name = "Performance7";
6702 goto cp0_unimplemented;
6703 default:
6704 goto cp0_unimplemented;
6705 }
6706 break;
6707 case CP0_REGISTER_26:
6708 switch (sel) {
6709 case CP0_REG26__ERRCTL:
6710 gen_helper_mtc0_errctl(tcg_env, arg);
6711 ctx->base.is_jmp = DISAS_STOP;
6712 register_name = "ErrCtl";
6713 break;
6714 default:
6715 goto cp0_unimplemented;
6716 }
6717 break;
6718 case CP0_REGISTER_27:
6719 switch (sel) {
6720 case CP0_REG27__CACHERR:
6721 /* ignored */
6722 register_name = "CacheErr";
6723 break;
6724 default:
6725 goto cp0_unimplemented;
6726 }
6727 break;
6728 case CP0_REGISTER_28:
6729 switch (sel) {
6730 case CP0_REG28__TAGLO:
6731 case CP0_REG28__TAGLO1:
6732 case CP0_REG28__TAGLO2:
6733 case CP0_REG28__TAGLO3:
6734 gen_helper_mtc0_taglo(tcg_env, arg);
6735 register_name = "TagLo";
6736 break;
6737 case CP0_REG28__DATALO:
6738 case CP0_REG28__DATALO1:
6739 case CP0_REG28__DATALO2:
6740 case CP0_REG28__DATALO3:
6741 gen_helper_mtc0_datalo(tcg_env, arg);
6742 register_name = "DataLo";
6743 break;
6744 default:
6745 goto cp0_unimplemented;
6746 }
6747 break;
6748 case CP0_REGISTER_29:
6749 switch (sel) {
6750 case CP0_REG29__TAGHI:
6751 case CP0_REG29__TAGHI1:
6752 case CP0_REG29__TAGHI2:
6753 case CP0_REG29__TAGHI3:
6754 gen_helper_mtc0_taghi(tcg_env, arg);
6755 register_name = "TagHi";
6756 break;
6757 case CP0_REG29__DATAHI:
6758 case CP0_REG29__DATAHI1:
6759 case CP0_REG29__DATAHI2:
6760 case CP0_REG29__DATAHI3:
6761 gen_helper_mtc0_datahi(tcg_env, arg);
6762 register_name = "DataHi";
6763 break;
6764 default:
6765 register_name = "invalid sel";
6766 goto cp0_unimplemented;
6767 }
6768 break;
6769 case CP0_REGISTER_30:
6770 switch (sel) {
6771 case CP0_REG30__ERROREPC:
6772 tcg_gen_st_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_ErrorEPC));
6773 register_name = "ErrorEPC";
6774 break;
6775 default:
6776 goto cp0_unimplemented;
6777 }
6778 break;
6779 case CP0_REGISTER_31:
6780 switch (sel) {
6781 case CP0_REG31__DESAVE:
6782 /* EJTAG support */
6783 gen_mtc0_store32(arg, offsetof(CPUMIPSState, CP0_DESAVE));
6784 register_name = "DESAVE";
6785 break;
6786 case CP0_REG31__KSCRATCH1:
6787 case CP0_REG31__KSCRATCH2:
6788 case CP0_REG31__KSCRATCH3:
6789 case CP0_REG31__KSCRATCH4:
6790 case CP0_REG31__KSCRATCH5:
6791 case CP0_REG31__KSCRATCH6:
6792 CP0_CHECK(ctx->kscrexist & (1 << sel));
6793 tcg_gen_st_tl(arg, tcg_env,
6794 offsetof(CPUMIPSState, CP0_KScratch[sel - 2]));
6795 register_name = "KScratch";
6796 break;
6797 default:
6798 goto cp0_unimplemented;
6799 }
6800 break;
6801 default:
6802 goto cp0_unimplemented;
6803 }
6804 trace_mips_translate_c0("mtc0", register_name, reg, sel);
6805
6806 /* For simplicity assume that all writes can cause interrupts. */
6807 if (icount) {
6808 /*
6809 * DISAS_STOP isn't sufficient, we need to ensure we break out of
6810 * translated code to check for pending interrupts.
6811 */
6812 gen_save_pc(ctx->base.pc_next + 4);
6813 ctx->base.is_jmp = DISAS_EXIT;
6814 }
6815 return;
6816
6817 cp0_unimplemented:
6818 qemu_log_mask(LOG_UNIMP, "mtc0 %s (reg %d sel %d)\n",
6819 register_name, reg, sel);
6820 }
6821
6822 #if defined(TARGET_MIPS64)
gen_dmfc0(DisasContext * ctx,TCGv arg,int reg,int sel)6823 static void gen_dmfc0(DisasContext *ctx, TCGv arg, int reg, int sel)
6824 {
6825 const char *register_name = "invalid";
6826
6827 if (sel != 0) {
6828 check_insn(ctx, ISA_MIPS_R1);
6829 }
6830
6831 switch (reg) {
6832 case CP0_REGISTER_00:
6833 switch (sel) {
6834 case CP0_REG00__INDEX:
6835 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Index));
6836 register_name = "Index";
6837 break;
6838 case CP0_REG00__MVPCONTROL:
6839 CP0_CHECK(ctx->insn_flags & ASE_MT);
6840 gen_helper_mfc0_mvpcontrol(arg, tcg_env);
6841 register_name = "MVPControl";
6842 break;
6843 case CP0_REG00__MVPCONF0:
6844 CP0_CHECK(ctx->insn_flags & ASE_MT);
6845 gen_helper_mfc0_mvpconf0(arg, tcg_env);
6846 register_name = "MVPConf0";
6847 break;
6848 case CP0_REG00__MVPCONF1:
6849 CP0_CHECK(ctx->insn_flags & ASE_MT);
6850 gen_helper_mfc0_mvpconf1(arg, tcg_env);
6851 register_name = "MVPConf1";
6852 break;
6853 case CP0_REG00__VPCONTROL:
6854 CP0_CHECK(ctx->vp);
6855 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_VPControl));
6856 register_name = "VPControl";
6857 break;
6858 default:
6859 goto cp0_unimplemented;
6860 }
6861 break;
6862 case CP0_REGISTER_01:
6863 switch (sel) {
6864 case CP0_REG01__RANDOM:
6865 CP0_CHECK(!(ctx->insn_flags & ISA_MIPS_R6));
6866 gen_helper_mfc0_random(arg, tcg_env);
6867 register_name = "Random";
6868 break;
6869 case CP0_REG01__VPECONTROL:
6870 CP0_CHECK(ctx->insn_flags & ASE_MT);
6871 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_VPEControl));
6872 register_name = "VPEControl";
6873 break;
6874 case CP0_REG01__VPECONF0:
6875 CP0_CHECK(ctx->insn_flags & ASE_MT);
6876 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_VPEConf0));
6877 register_name = "VPEConf0";
6878 break;
6879 case CP0_REG01__VPECONF1:
6880 CP0_CHECK(ctx->insn_flags & ASE_MT);
6881 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_VPEConf1));
6882 register_name = "VPEConf1";
6883 break;
6884 case CP0_REG01__YQMASK:
6885 CP0_CHECK(ctx->insn_flags & ASE_MT);
6886 tcg_gen_ld_tl(arg, tcg_env,
6887 offsetof(CPUMIPSState, CP0_YQMask));
6888 register_name = "YQMask";
6889 break;
6890 case CP0_REG01__VPESCHEDULE:
6891 CP0_CHECK(ctx->insn_flags & ASE_MT);
6892 tcg_gen_ld_tl(arg, tcg_env,
6893 offsetof(CPUMIPSState, CP0_VPESchedule));
6894 register_name = "VPESchedule";
6895 break;
6896 case CP0_REG01__VPESCHEFBACK:
6897 CP0_CHECK(ctx->insn_flags & ASE_MT);
6898 tcg_gen_ld_tl(arg, tcg_env,
6899 offsetof(CPUMIPSState, CP0_VPEScheFBack));
6900 register_name = "VPEScheFBack";
6901 break;
6902 case CP0_REG01__VPEOPT:
6903 CP0_CHECK(ctx->insn_flags & ASE_MT);
6904 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_VPEOpt));
6905 register_name = "VPEOpt";
6906 break;
6907 default:
6908 goto cp0_unimplemented;
6909 }
6910 break;
6911 case CP0_REGISTER_02:
6912 switch (sel) {
6913 case CP0_REG02__ENTRYLO0:
6914 tcg_gen_ld_tl(arg, tcg_env,
6915 offsetof(CPUMIPSState, CP0_EntryLo0));
6916 register_name = "EntryLo0";
6917 break;
6918 case CP0_REG02__TCSTATUS:
6919 CP0_CHECK(ctx->insn_flags & ASE_MT);
6920 gen_helper_mfc0_tcstatus(arg, tcg_env);
6921 register_name = "TCStatus";
6922 break;
6923 case CP0_REG02__TCBIND:
6924 CP0_CHECK(ctx->insn_flags & ASE_MT);
6925 gen_helper_mfc0_tcbind(arg, tcg_env);
6926 register_name = "TCBind";
6927 break;
6928 case CP0_REG02__TCRESTART:
6929 CP0_CHECK(ctx->insn_flags & ASE_MT);
6930 gen_helper_dmfc0_tcrestart(arg, tcg_env);
6931 register_name = "TCRestart";
6932 break;
6933 case CP0_REG02__TCHALT:
6934 CP0_CHECK(ctx->insn_flags & ASE_MT);
6935 gen_helper_dmfc0_tchalt(arg, tcg_env);
6936 register_name = "TCHalt";
6937 break;
6938 case CP0_REG02__TCCONTEXT:
6939 CP0_CHECK(ctx->insn_flags & ASE_MT);
6940 gen_helper_dmfc0_tccontext(arg, tcg_env);
6941 register_name = "TCContext";
6942 break;
6943 case CP0_REG02__TCSCHEDULE:
6944 CP0_CHECK(ctx->insn_flags & ASE_MT);
6945 gen_helper_dmfc0_tcschedule(arg, tcg_env);
6946 register_name = "TCSchedule";
6947 break;
6948 case CP0_REG02__TCSCHEFBACK:
6949 CP0_CHECK(ctx->insn_flags & ASE_MT);
6950 gen_helper_dmfc0_tcschefback(arg, tcg_env);
6951 register_name = "TCScheFBack";
6952 break;
6953 default:
6954 goto cp0_unimplemented;
6955 }
6956 break;
6957 case CP0_REGISTER_03:
6958 switch (sel) {
6959 case CP0_REG03__ENTRYLO1:
6960 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_EntryLo1));
6961 register_name = "EntryLo1";
6962 break;
6963 case CP0_REG03__GLOBALNUM:
6964 CP0_CHECK(ctx->vp);
6965 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_GlobalNumber));
6966 register_name = "GlobalNumber";
6967 break;
6968 default:
6969 goto cp0_unimplemented;
6970 }
6971 break;
6972 case CP0_REGISTER_04:
6973 switch (sel) {
6974 case CP0_REG04__CONTEXT:
6975 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_Context));
6976 register_name = "Context";
6977 break;
6978 case CP0_REG04__CONTEXTCONFIG:
6979 /* SmartMIPS ASE */
6980 /* gen_helper_dmfc0_contextconfig(arg); */
6981 register_name = "ContextConfig";
6982 goto cp0_unimplemented;
6983 case CP0_REG04__USERLOCAL:
6984 CP0_CHECK(ctx->ulri);
6985 tcg_gen_ld_tl(arg, tcg_env,
6986 offsetof(CPUMIPSState, active_tc.CP0_UserLocal));
6987 register_name = "UserLocal";
6988 break;
6989 case CP0_REG04__MMID:
6990 CP0_CHECK(ctx->mi);
6991 gen_helper_mtc0_memorymapid(tcg_env, arg);
6992 register_name = "MMID";
6993 break;
6994 default:
6995 goto cp0_unimplemented;
6996 }
6997 break;
6998 case CP0_REGISTER_05:
6999 switch (sel) {
7000 case CP0_REG05__PAGEMASK:
7001 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PageMask));
7002 register_name = "PageMask";
7003 break;
7004 case CP0_REG05__PAGEGRAIN:
7005 check_insn(ctx, ISA_MIPS_R2);
7006 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PageGrain));
7007 register_name = "PageGrain";
7008 break;
7009 case CP0_REG05__SEGCTL0:
7010 CP0_CHECK(ctx->sc);
7011 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_SegCtl0));
7012 register_name = "SegCtl0";
7013 break;
7014 case CP0_REG05__SEGCTL1:
7015 CP0_CHECK(ctx->sc);
7016 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_SegCtl1));
7017 register_name = "SegCtl1";
7018 break;
7019 case CP0_REG05__SEGCTL2:
7020 CP0_CHECK(ctx->sc);
7021 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_SegCtl2));
7022 register_name = "SegCtl2";
7023 break;
7024 case CP0_REG05__PWBASE:
7025 check_pw(ctx);
7026 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_PWBase));
7027 register_name = "PWBase";
7028 break;
7029 case CP0_REG05__PWFIELD:
7030 check_pw(ctx);
7031 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_PWField));
7032 register_name = "PWField";
7033 break;
7034 case CP0_REG05__PWSIZE:
7035 check_pw(ctx);
7036 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_PWSize));
7037 register_name = "PWSize";
7038 break;
7039 default:
7040 goto cp0_unimplemented;
7041 }
7042 break;
7043 case CP0_REGISTER_06:
7044 switch (sel) {
7045 case CP0_REG06__WIRED:
7046 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Wired));
7047 register_name = "Wired";
7048 break;
7049 case CP0_REG06__SRSCONF0:
7050 check_insn(ctx, ISA_MIPS_R2);
7051 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSConf0));
7052 register_name = "SRSConf0";
7053 break;
7054 case CP0_REG06__SRSCONF1:
7055 check_insn(ctx, ISA_MIPS_R2);
7056 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSConf1));
7057 register_name = "SRSConf1";
7058 break;
7059 case CP0_REG06__SRSCONF2:
7060 check_insn(ctx, ISA_MIPS_R2);
7061 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSConf2));
7062 register_name = "SRSConf2";
7063 break;
7064 case CP0_REG06__SRSCONF3:
7065 check_insn(ctx, ISA_MIPS_R2);
7066 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSConf3));
7067 register_name = "SRSConf3";
7068 break;
7069 case CP0_REG06__SRSCONF4:
7070 check_insn(ctx, ISA_MIPS_R2);
7071 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSConf4));
7072 register_name = "SRSConf4";
7073 break;
7074 case CP0_REG06__PWCTL:
7075 check_pw(ctx);
7076 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PWCtl));
7077 register_name = "PWCtl";
7078 break;
7079 default:
7080 goto cp0_unimplemented;
7081 }
7082 break;
7083 case CP0_REGISTER_07:
7084 switch (sel) {
7085 case CP0_REG07__HWRENA:
7086 check_insn(ctx, ISA_MIPS_R2);
7087 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_HWREna));
7088 register_name = "HWREna";
7089 break;
7090 default:
7091 goto cp0_unimplemented;
7092 }
7093 break;
7094 case CP0_REGISTER_08:
7095 switch (sel) {
7096 case CP0_REG08__BADVADDR:
7097 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_BadVAddr));
7098 register_name = "BadVAddr";
7099 break;
7100 case CP0_REG08__BADINSTR:
7101 CP0_CHECK(ctx->bi);
7102 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_BadInstr));
7103 register_name = "BadInstr";
7104 break;
7105 case CP0_REG08__BADINSTRP:
7106 CP0_CHECK(ctx->bp);
7107 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_BadInstrP));
7108 register_name = "BadInstrP";
7109 break;
7110 case CP0_REG08__BADINSTRX:
7111 CP0_CHECK(ctx->bi);
7112 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_BadInstrX));
7113 tcg_gen_andi_tl(arg, arg, ~0xffff);
7114 register_name = "BadInstrX";
7115 break;
7116 default:
7117 goto cp0_unimplemented;
7118 }
7119 break;
7120 case CP0_REGISTER_09:
7121 switch (sel) {
7122 case CP0_REG09__COUNT:
7123 /* Mark as an IO operation because we read the time. */
7124 translator_io_start(&ctx->base);
7125 gen_helper_mfc0_count(arg, tcg_env);
7126 /*
7127 * Break the TB to be able to take timer interrupts immediately
7128 * after reading count. DISAS_STOP isn't sufficient, we need to
7129 * ensure we break completely out of translated code.
7130 */
7131 gen_save_pc(ctx->base.pc_next + 4);
7132 ctx->base.is_jmp = DISAS_EXIT;
7133 register_name = "Count";
7134 break;
7135 default:
7136 goto cp0_unimplemented;
7137 }
7138 break;
7139 case CP0_REGISTER_10:
7140 switch (sel) {
7141 case CP0_REG10__ENTRYHI:
7142 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_EntryHi));
7143 register_name = "EntryHi";
7144 break;
7145 default:
7146 goto cp0_unimplemented;
7147 }
7148 break;
7149 case CP0_REGISTER_11:
7150 switch (sel) {
7151 case CP0_REG11__COMPARE:
7152 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Compare));
7153 register_name = "Compare";
7154 break;
7155 /* 6,7 are implementation dependent */
7156 default:
7157 goto cp0_unimplemented;
7158 }
7159 break;
7160 case CP0_REGISTER_12:
7161 switch (sel) {
7162 case CP0_REG12__STATUS:
7163 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Status));
7164 register_name = "Status";
7165 break;
7166 case CP0_REG12__INTCTL:
7167 check_insn(ctx, ISA_MIPS_R2);
7168 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_IntCtl));
7169 register_name = "IntCtl";
7170 break;
7171 case CP0_REG12__SRSCTL:
7172 check_insn(ctx, ISA_MIPS_R2);
7173 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSCtl));
7174 register_name = "SRSCtl";
7175 break;
7176 case CP0_REG12__SRSMAP:
7177 check_insn(ctx, ISA_MIPS_R2);
7178 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSMap));
7179 register_name = "SRSMap";
7180 break;
7181 default:
7182 goto cp0_unimplemented;
7183 }
7184 break;
7185 case CP0_REGISTER_13:
7186 switch (sel) {
7187 case CP0_REG13__CAUSE:
7188 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Cause));
7189 register_name = "Cause";
7190 break;
7191 default:
7192 goto cp0_unimplemented;
7193 }
7194 break;
7195 case CP0_REGISTER_14:
7196 switch (sel) {
7197 case CP0_REG14__EPC:
7198 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_EPC));
7199 register_name = "EPC";
7200 break;
7201 default:
7202 goto cp0_unimplemented;
7203 }
7204 break;
7205 case CP0_REGISTER_15:
7206 switch (sel) {
7207 case CP0_REG15__PRID:
7208 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PRid));
7209 register_name = "PRid";
7210 break;
7211 case CP0_REG15__EBASE:
7212 check_insn(ctx, ISA_MIPS_R2);
7213 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_EBase));
7214 register_name = "EBase";
7215 break;
7216 case CP0_REG15__CMGCRBASE:
7217 check_insn(ctx, ISA_MIPS_R2);
7218 CP0_CHECK(ctx->cmgcr);
7219 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_CMGCRBase));
7220 register_name = "CMGCRBase";
7221 break;
7222 default:
7223 goto cp0_unimplemented;
7224 }
7225 break;
7226 case CP0_REGISTER_16:
7227 switch (sel) {
7228 case CP0_REG16__CONFIG:
7229 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config0));
7230 register_name = "Config";
7231 break;
7232 case CP0_REG16__CONFIG1:
7233 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config1));
7234 register_name = "Config1";
7235 break;
7236 case CP0_REG16__CONFIG2:
7237 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config2));
7238 register_name = "Config2";
7239 break;
7240 case CP0_REG16__CONFIG3:
7241 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config3));
7242 register_name = "Config3";
7243 break;
7244 case CP0_REG16__CONFIG4:
7245 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config4));
7246 register_name = "Config4";
7247 break;
7248 case CP0_REG16__CONFIG5:
7249 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config5));
7250 register_name = "Config5";
7251 break;
7252 /* 6,7 are implementation dependent */
7253 case CP0_REG16__CONFIG6:
7254 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config6));
7255 register_name = "Config6";
7256 break;
7257 case CP0_REG16__CONFIG7:
7258 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config7));
7259 register_name = "Config7";
7260 break;
7261 default:
7262 goto cp0_unimplemented;
7263 }
7264 break;
7265 case CP0_REGISTER_17:
7266 switch (sel) {
7267 case CP0_REG17__LLADDR:
7268 gen_helper_dmfc0_lladdr(arg, tcg_env);
7269 register_name = "LLAddr";
7270 break;
7271 case CP0_REG17__MAAR:
7272 CP0_CHECK(ctx->mrp);
7273 gen_helper_dmfc0_maar(arg, tcg_env);
7274 register_name = "MAAR";
7275 break;
7276 case CP0_REG17__MAARI:
7277 CP0_CHECK(ctx->mrp);
7278 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_MAARI));
7279 register_name = "MAARI";
7280 break;
7281 default:
7282 goto cp0_unimplemented;
7283 }
7284 break;
7285 case CP0_REGISTER_18:
7286 switch (sel) {
7287 case CP0_REG18__WATCHLO0:
7288 case CP0_REG18__WATCHLO1:
7289 case CP0_REG18__WATCHLO2:
7290 case CP0_REG18__WATCHLO3:
7291 case CP0_REG18__WATCHLO4:
7292 case CP0_REG18__WATCHLO5:
7293 case CP0_REG18__WATCHLO6:
7294 case CP0_REG18__WATCHLO7:
7295 CP0_CHECK(ctx->CP0_Config1 & (1 << CP0C1_WR));
7296 gen_helper_1e0i(dmfc0_watchlo, arg, sel);
7297 register_name = "WatchLo";
7298 break;
7299 default:
7300 goto cp0_unimplemented;
7301 }
7302 break;
7303 case CP0_REGISTER_19:
7304 switch (sel) {
7305 case CP0_REG19__WATCHHI0:
7306 case CP0_REG19__WATCHHI1:
7307 case CP0_REG19__WATCHHI2:
7308 case CP0_REG19__WATCHHI3:
7309 case CP0_REG19__WATCHHI4:
7310 case CP0_REG19__WATCHHI5:
7311 case CP0_REG19__WATCHHI6:
7312 case CP0_REG19__WATCHHI7:
7313 CP0_CHECK(ctx->CP0_Config1 & (1 << CP0C1_WR));
7314 gen_helper_1e0i(dmfc0_watchhi, arg, sel);
7315 register_name = "WatchHi";
7316 break;
7317 default:
7318 goto cp0_unimplemented;
7319 }
7320 break;
7321 case CP0_REGISTER_20:
7322 switch (sel) {
7323 case CP0_REG20__XCONTEXT:
7324 check_insn(ctx, ISA_MIPS3);
7325 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_XContext));
7326 register_name = "XContext";
7327 break;
7328 default:
7329 goto cp0_unimplemented;
7330 }
7331 break;
7332 case CP0_REGISTER_21:
7333 /* Officially reserved, but sel 0 is used for R1x000 framemask */
7334 CP0_CHECK(!(ctx->insn_flags & ISA_MIPS_R6));
7335 switch (sel) {
7336 case 0:
7337 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Framemask));
7338 register_name = "Framemask";
7339 break;
7340 default:
7341 goto cp0_unimplemented;
7342 }
7343 break;
7344 case CP0_REGISTER_22:
7345 tcg_gen_movi_tl(arg, 0); /* unimplemented */
7346 register_name = "'Diagnostic"; /* implementation dependent */
7347 break;
7348 case CP0_REGISTER_23:
7349 switch (sel) {
7350 case CP0_REG23__DEBUG:
7351 gen_helper_mfc0_debug(arg, tcg_env); /* EJTAG support */
7352 register_name = "Debug";
7353 break;
7354 case CP0_REG23__TRACECONTROL:
7355 /* PDtrace support */
7356 /* gen_helper_dmfc0_tracecontrol(arg, tcg_env); */
7357 register_name = "TraceControl";
7358 goto cp0_unimplemented;
7359 case CP0_REG23__TRACECONTROL2:
7360 /* PDtrace support */
7361 /* gen_helper_dmfc0_tracecontrol2(arg, tcg_env); */
7362 register_name = "TraceControl2";
7363 goto cp0_unimplemented;
7364 case CP0_REG23__USERTRACEDATA1:
7365 /* PDtrace support */
7366 /* gen_helper_dmfc0_usertracedata1(arg, tcg_env);*/
7367 register_name = "UserTraceData1";
7368 goto cp0_unimplemented;
7369 case CP0_REG23__TRACEIBPC:
7370 /* PDtrace support */
7371 /* gen_helper_dmfc0_traceibpc(arg, tcg_env); */
7372 register_name = "TraceIBPC";
7373 goto cp0_unimplemented;
7374 case CP0_REG23__TRACEDBPC:
7375 /* PDtrace support */
7376 /* gen_helper_dmfc0_tracedbpc(arg, tcg_env); */
7377 register_name = "TraceDBPC";
7378 goto cp0_unimplemented;
7379 default:
7380 goto cp0_unimplemented;
7381 }
7382 break;
7383 case CP0_REGISTER_24:
7384 switch (sel) {
7385 case CP0_REG24__DEPC:
7386 /* EJTAG support */
7387 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_DEPC));
7388 register_name = "DEPC";
7389 break;
7390 default:
7391 goto cp0_unimplemented;
7392 }
7393 break;
7394 case CP0_REGISTER_25:
7395 switch (sel) {
7396 case CP0_REG25__PERFCTL0:
7397 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Performance0));
7398 register_name = "Performance0";
7399 break;
7400 case CP0_REG25__PERFCNT0:
7401 /* gen_helper_dmfc0_performance1(arg); */
7402 register_name = "Performance1";
7403 goto cp0_unimplemented;
7404 case CP0_REG25__PERFCTL1:
7405 /* gen_helper_dmfc0_performance2(arg); */
7406 register_name = "Performance2";
7407 goto cp0_unimplemented;
7408 case CP0_REG25__PERFCNT1:
7409 /* gen_helper_dmfc0_performance3(arg); */
7410 register_name = "Performance3";
7411 goto cp0_unimplemented;
7412 case CP0_REG25__PERFCTL2:
7413 /* gen_helper_dmfc0_performance4(arg); */
7414 register_name = "Performance4";
7415 goto cp0_unimplemented;
7416 case CP0_REG25__PERFCNT2:
7417 /* gen_helper_dmfc0_performance5(arg); */
7418 register_name = "Performance5";
7419 goto cp0_unimplemented;
7420 case CP0_REG25__PERFCTL3:
7421 /* gen_helper_dmfc0_performance6(arg); */
7422 register_name = "Performance6";
7423 goto cp0_unimplemented;
7424 case CP0_REG25__PERFCNT3:
7425 /* gen_helper_dmfc0_performance7(arg); */
7426 register_name = "Performance7";
7427 goto cp0_unimplemented;
7428 default:
7429 goto cp0_unimplemented;
7430 }
7431 break;
7432 case CP0_REGISTER_26:
7433 switch (sel) {
7434 case CP0_REG26__ERRCTL:
7435 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_ErrCtl));
7436 register_name = "ErrCtl";
7437 break;
7438 default:
7439 goto cp0_unimplemented;
7440 }
7441 break;
7442 case CP0_REGISTER_27:
7443 switch (sel) {
7444 /* ignored */
7445 case CP0_REG27__CACHERR:
7446 tcg_gen_movi_tl(arg, 0); /* unimplemented */
7447 register_name = "CacheErr";
7448 break;
7449 default:
7450 goto cp0_unimplemented;
7451 }
7452 break;
7453 case CP0_REGISTER_28:
7454 switch (sel) {
7455 case CP0_REG28__TAGLO:
7456 case CP0_REG28__TAGLO1:
7457 case CP0_REG28__TAGLO2:
7458 case CP0_REG28__TAGLO3:
7459 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_TagLo));
7460 register_name = "TagLo";
7461 break;
7462 case CP0_REG28__DATALO:
7463 case CP0_REG28__DATALO1:
7464 case CP0_REG28__DATALO2:
7465 case CP0_REG28__DATALO3:
7466 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_DataLo));
7467 register_name = "DataLo";
7468 break;
7469 default:
7470 goto cp0_unimplemented;
7471 }
7472 break;
7473 case CP0_REGISTER_29:
7474 switch (sel) {
7475 case CP0_REG29__TAGHI:
7476 case CP0_REG29__TAGHI1:
7477 case CP0_REG29__TAGHI2:
7478 case CP0_REG29__TAGHI3:
7479 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_TagHi));
7480 register_name = "TagHi";
7481 break;
7482 case CP0_REG29__DATAHI:
7483 case CP0_REG29__DATAHI1:
7484 case CP0_REG29__DATAHI2:
7485 case CP0_REG29__DATAHI3:
7486 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_DataHi));
7487 register_name = "DataHi";
7488 break;
7489 default:
7490 goto cp0_unimplemented;
7491 }
7492 break;
7493 case CP0_REGISTER_30:
7494 switch (sel) {
7495 case CP0_REG30__ERROREPC:
7496 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_ErrorEPC));
7497 register_name = "ErrorEPC";
7498 break;
7499 default:
7500 goto cp0_unimplemented;
7501 }
7502 break;
7503 case CP0_REGISTER_31:
7504 switch (sel) {
7505 case CP0_REG31__DESAVE:
7506 /* EJTAG support */
7507 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_DESAVE));
7508 register_name = "DESAVE";
7509 break;
7510 case CP0_REG31__KSCRATCH1:
7511 case CP0_REG31__KSCRATCH2:
7512 case CP0_REG31__KSCRATCH3:
7513 case CP0_REG31__KSCRATCH4:
7514 case CP0_REG31__KSCRATCH5:
7515 case CP0_REG31__KSCRATCH6:
7516 CP0_CHECK(ctx->kscrexist & (1 << sel));
7517 tcg_gen_ld_tl(arg, tcg_env,
7518 offsetof(CPUMIPSState, CP0_KScratch[sel - 2]));
7519 register_name = "KScratch";
7520 break;
7521 default:
7522 goto cp0_unimplemented;
7523 }
7524 break;
7525 default:
7526 goto cp0_unimplemented;
7527 }
7528 trace_mips_translate_c0("dmfc0", register_name, reg, sel);
7529 return;
7530
7531 cp0_unimplemented:
7532 qemu_log_mask(LOG_UNIMP, "dmfc0 %s (reg %d sel %d)\n",
7533 register_name, reg, sel);
7534 gen_mfc0_unimplemented(ctx, arg);
7535 }
7536
gen_dmtc0(DisasContext * ctx,TCGv arg,int reg,int sel)7537 static void gen_dmtc0(DisasContext *ctx, TCGv arg, int reg, int sel)
7538 {
7539 const char *register_name = "invalid";
7540 bool icount;
7541
7542 if (sel != 0) {
7543 check_insn(ctx, ISA_MIPS_R1);
7544 }
7545
7546 icount = translator_io_start(&ctx->base);
7547
7548 switch (reg) {
7549 case CP0_REGISTER_00:
7550 switch (sel) {
7551 case CP0_REG00__INDEX:
7552 gen_helper_mtc0_index(tcg_env, arg);
7553 register_name = "Index";
7554 break;
7555 case CP0_REG00__MVPCONTROL:
7556 CP0_CHECK(ctx->insn_flags & ASE_MT);
7557 gen_helper_mtc0_mvpcontrol(tcg_env, arg);
7558 register_name = "MVPControl";
7559 break;
7560 case CP0_REG00__MVPCONF0:
7561 CP0_CHECK(ctx->insn_flags & ASE_MT);
7562 /* ignored */
7563 register_name = "MVPConf0";
7564 break;
7565 case CP0_REG00__MVPCONF1:
7566 CP0_CHECK(ctx->insn_flags & ASE_MT);
7567 /* ignored */
7568 register_name = "MVPConf1";
7569 break;
7570 case CP0_REG00__VPCONTROL:
7571 CP0_CHECK(ctx->vp);
7572 /* ignored */
7573 register_name = "VPControl";
7574 break;
7575 default:
7576 goto cp0_unimplemented;
7577 }
7578 break;
7579 case CP0_REGISTER_01:
7580 switch (sel) {
7581 case CP0_REG01__RANDOM:
7582 /* ignored */
7583 register_name = "Random";
7584 break;
7585 case CP0_REG01__VPECONTROL:
7586 CP0_CHECK(ctx->insn_flags & ASE_MT);
7587 gen_helper_mtc0_vpecontrol(tcg_env, arg);
7588 register_name = "VPEControl";
7589 break;
7590 case CP0_REG01__VPECONF0:
7591 CP0_CHECK(ctx->insn_flags & ASE_MT);
7592 gen_helper_mtc0_vpeconf0(tcg_env, arg);
7593 register_name = "VPEConf0";
7594 break;
7595 case CP0_REG01__VPECONF1:
7596 CP0_CHECK(ctx->insn_flags & ASE_MT);
7597 gen_helper_mtc0_vpeconf1(tcg_env, arg);
7598 register_name = "VPEConf1";
7599 break;
7600 case CP0_REG01__YQMASK:
7601 CP0_CHECK(ctx->insn_flags & ASE_MT);
7602 gen_helper_mtc0_yqmask(tcg_env, arg);
7603 register_name = "YQMask";
7604 break;
7605 case CP0_REG01__VPESCHEDULE:
7606 CP0_CHECK(ctx->insn_flags & ASE_MT);
7607 tcg_gen_st_tl(arg, tcg_env,
7608 offsetof(CPUMIPSState, CP0_VPESchedule));
7609 register_name = "VPESchedule";
7610 break;
7611 case CP0_REG01__VPESCHEFBACK:
7612 CP0_CHECK(ctx->insn_flags & ASE_MT);
7613 tcg_gen_st_tl(arg, tcg_env,
7614 offsetof(CPUMIPSState, CP0_VPEScheFBack));
7615 register_name = "VPEScheFBack";
7616 break;
7617 case CP0_REG01__VPEOPT:
7618 CP0_CHECK(ctx->insn_flags & ASE_MT);
7619 gen_helper_mtc0_vpeopt(tcg_env, arg);
7620 register_name = "VPEOpt";
7621 break;
7622 default:
7623 goto cp0_unimplemented;
7624 }
7625 break;
7626 case CP0_REGISTER_02:
7627 switch (sel) {
7628 case CP0_REG02__ENTRYLO0:
7629 gen_helper_dmtc0_entrylo0(tcg_env, arg);
7630 register_name = "EntryLo0";
7631 break;
7632 case CP0_REG02__TCSTATUS:
7633 CP0_CHECK(ctx->insn_flags & ASE_MT);
7634 gen_helper_mtc0_tcstatus(tcg_env, arg);
7635 register_name = "TCStatus";
7636 break;
7637 case CP0_REG02__TCBIND:
7638 CP0_CHECK(ctx->insn_flags & ASE_MT);
7639 gen_helper_mtc0_tcbind(tcg_env, arg);
7640 register_name = "TCBind";
7641 break;
7642 case CP0_REG02__TCRESTART:
7643 CP0_CHECK(ctx->insn_flags & ASE_MT);
7644 gen_helper_mtc0_tcrestart(tcg_env, arg);
7645 register_name = "TCRestart";
7646 break;
7647 case CP0_REG02__TCHALT:
7648 CP0_CHECK(ctx->insn_flags & ASE_MT);
7649 gen_helper_mtc0_tchalt(tcg_env, arg);
7650 register_name = "TCHalt";
7651 break;
7652 case CP0_REG02__TCCONTEXT:
7653 CP0_CHECK(ctx->insn_flags & ASE_MT);
7654 gen_helper_mtc0_tccontext(tcg_env, arg);
7655 register_name = "TCContext";
7656 break;
7657 case CP0_REG02__TCSCHEDULE:
7658 CP0_CHECK(ctx->insn_flags & ASE_MT);
7659 gen_helper_mtc0_tcschedule(tcg_env, arg);
7660 register_name = "TCSchedule";
7661 break;
7662 case CP0_REG02__TCSCHEFBACK:
7663 CP0_CHECK(ctx->insn_flags & ASE_MT);
7664 gen_helper_mtc0_tcschefback(tcg_env, arg);
7665 register_name = "TCScheFBack";
7666 break;
7667 default:
7668 goto cp0_unimplemented;
7669 }
7670 break;
7671 case CP0_REGISTER_03:
7672 switch (sel) {
7673 case CP0_REG03__ENTRYLO1:
7674 gen_helper_dmtc0_entrylo1(tcg_env, arg);
7675 register_name = "EntryLo1";
7676 break;
7677 case CP0_REG03__GLOBALNUM:
7678 CP0_CHECK(ctx->vp);
7679 /* ignored */
7680 register_name = "GlobalNumber";
7681 break;
7682 default:
7683 goto cp0_unimplemented;
7684 }
7685 break;
7686 case CP0_REGISTER_04:
7687 switch (sel) {
7688 case CP0_REG04__CONTEXT:
7689 gen_helper_mtc0_context(tcg_env, arg);
7690 register_name = "Context";
7691 break;
7692 case CP0_REG04__CONTEXTCONFIG:
7693 /* SmartMIPS ASE */
7694 /* gen_helper_dmtc0_contextconfig(arg); */
7695 register_name = "ContextConfig";
7696 goto cp0_unimplemented;
7697 case CP0_REG04__USERLOCAL:
7698 CP0_CHECK(ctx->ulri);
7699 tcg_gen_st_tl(arg, tcg_env,
7700 offsetof(CPUMIPSState, active_tc.CP0_UserLocal));
7701 register_name = "UserLocal";
7702 break;
7703 case CP0_REG04__MMID:
7704 CP0_CHECK(ctx->mi);
7705 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_MemoryMapID));
7706 register_name = "MMID";
7707 break;
7708 default:
7709 goto cp0_unimplemented;
7710 }
7711 break;
7712 case CP0_REGISTER_05:
7713 switch (sel) {
7714 case CP0_REG05__PAGEMASK:
7715 gen_helper_mtc0_pagemask(tcg_env, arg);
7716 register_name = "PageMask";
7717 break;
7718 case CP0_REG05__PAGEGRAIN:
7719 check_insn(ctx, ISA_MIPS_R2);
7720 gen_helper_mtc0_pagegrain(tcg_env, arg);
7721 register_name = "PageGrain";
7722 break;
7723 case CP0_REG05__SEGCTL0:
7724 CP0_CHECK(ctx->sc);
7725 gen_helper_mtc0_segctl0(tcg_env, arg);
7726 register_name = "SegCtl0";
7727 break;
7728 case CP0_REG05__SEGCTL1:
7729 CP0_CHECK(ctx->sc);
7730 gen_helper_mtc0_segctl1(tcg_env, arg);
7731 register_name = "SegCtl1";
7732 break;
7733 case CP0_REG05__SEGCTL2:
7734 CP0_CHECK(ctx->sc);
7735 gen_helper_mtc0_segctl2(tcg_env, arg);
7736 register_name = "SegCtl2";
7737 break;
7738 case CP0_REG05__PWBASE:
7739 check_pw(ctx);
7740 tcg_gen_st_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_PWBase));
7741 register_name = "PWBase";
7742 break;
7743 case CP0_REG05__PWFIELD:
7744 check_pw(ctx);
7745 gen_helper_mtc0_pwfield(tcg_env, arg);
7746 register_name = "PWField";
7747 break;
7748 case CP0_REG05__PWSIZE:
7749 check_pw(ctx);
7750 gen_helper_mtc0_pwsize(tcg_env, arg);
7751 register_name = "PWSize";
7752 break;
7753 default:
7754 goto cp0_unimplemented;
7755 }
7756 break;
7757 case CP0_REGISTER_06:
7758 switch (sel) {
7759 case CP0_REG06__WIRED:
7760 gen_helper_mtc0_wired(tcg_env, arg);
7761 register_name = "Wired";
7762 break;
7763 case CP0_REG06__SRSCONF0:
7764 check_insn(ctx, ISA_MIPS_R2);
7765 gen_helper_mtc0_srsconf0(tcg_env, arg);
7766 register_name = "SRSConf0";
7767 break;
7768 case CP0_REG06__SRSCONF1:
7769 check_insn(ctx, ISA_MIPS_R2);
7770 gen_helper_mtc0_srsconf1(tcg_env, arg);
7771 register_name = "SRSConf1";
7772 break;
7773 case CP0_REG06__SRSCONF2:
7774 check_insn(ctx, ISA_MIPS_R2);
7775 gen_helper_mtc0_srsconf2(tcg_env, arg);
7776 register_name = "SRSConf2";
7777 break;
7778 case CP0_REG06__SRSCONF3:
7779 check_insn(ctx, ISA_MIPS_R2);
7780 gen_helper_mtc0_srsconf3(tcg_env, arg);
7781 register_name = "SRSConf3";
7782 break;
7783 case CP0_REG06__SRSCONF4:
7784 check_insn(ctx, ISA_MIPS_R2);
7785 gen_helper_mtc0_srsconf4(tcg_env, arg);
7786 register_name = "SRSConf4";
7787 break;
7788 case CP0_REG06__PWCTL:
7789 check_pw(ctx);
7790 gen_helper_mtc0_pwctl(tcg_env, arg);
7791 register_name = "PWCtl";
7792 break;
7793 default:
7794 goto cp0_unimplemented;
7795 }
7796 break;
7797 case CP0_REGISTER_07:
7798 switch (sel) {
7799 case CP0_REG07__HWRENA:
7800 check_insn(ctx, ISA_MIPS_R2);
7801 gen_helper_mtc0_hwrena(tcg_env, arg);
7802 ctx->base.is_jmp = DISAS_STOP;
7803 register_name = "HWREna";
7804 break;
7805 default:
7806 goto cp0_unimplemented;
7807 }
7808 break;
7809 case CP0_REGISTER_08:
7810 switch (sel) {
7811 case CP0_REG08__BADVADDR:
7812 /* ignored */
7813 register_name = "BadVAddr";
7814 break;
7815 case CP0_REG08__BADINSTR:
7816 /* ignored */
7817 register_name = "BadInstr";
7818 break;
7819 case CP0_REG08__BADINSTRP:
7820 /* ignored */
7821 register_name = "BadInstrP";
7822 break;
7823 case CP0_REG08__BADINSTRX:
7824 /* ignored */
7825 register_name = "BadInstrX";
7826 break;
7827 default:
7828 goto cp0_unimplemented;
7829 }
7830 break;
7831 case CP0_REGISTER_09:
7832 switch (sel) {
7833 case CP0_REG09__COUNT:
7834 gen_helper_mtc0_count(tcg_env, arg);
7835 register_name = "Count";
7836 break;
7837 default:
7838 goto cp0_unimplemented;
7839 }
7840 /* Stop translation as we may have switched the execution mode */
7841 ctx->base.is_jmp = DISAS_STOP;
7842 break;
7843 case CP0_REGISTER_10:
7844 switch (sel) {
7845 case CP0_REG10__ENTRYHI:
7846 gen_helper_mtc0_entryhi(tcg_env, arg);
7847 register_name = "EntryHi";
7848 break;
7849 default:
7850 goto cp0_unimplemented;
7851 }
7852 break;
7853 case CP0_REGISTER_11:
7854 switch (sel) {
7855 case CP0_REG11__COMPARE:
7856 gen_helper_mtc0_compare(tcg_env, arg);
7857 register_name = "Compare";
7858 break;
7859 /* 6,7 are implementation dependent */
7860 default:
7861 goto cp0_unimplemented;
7862 }
7863 /* Stop translation as we may have switched the execution mode */
7864 ctx->base.is_jmp = DISAS_STOP;
7865 break;
7866 case CP0_REGISTER_12:
7867 switch (sel) {
7868 case CP0_REG12__STATUS:
7869 save_cpu_state(ctx, 1);
7870 gen_helper_mtc0_status(tcg_env, arg);
7871 /* DISAS_STOP isn't good enough here, hflags may have changed. */
7872 gen_save_pc(ctx->base.pc_next + 4);
7873 ctx->base.is_jmp = DISAS_EXIT;
7874 register_name = "Status";
7875 break;
7876 case CP0_REG12__INTCTL:
7877 check_insn(ctx, ISA_MIPS_R2);
7878 gen_helper_mtc0_intctl(tcg_env, arg);
7879 /* Stop translation as we may have switched the execution mode */
7880 ctx->base.is_jmp = DISAS_STOP;
7881 register_name = "IntCtl";
7882 break;
7883 case CP0_REG12__SRSCTL:
7884 check_insn(ctx, ISA_MIPS_R2);
7885 gen_helper_mtc0_srsctl(tcg_env, arg);
7886 /* Stop translation as we may have switched the execution mode */
7887 ctx->base.is_jmp = DISAS_STOP;
7888 register_name = "SRSCtl";
7889 break;
7890 case CP0_REG12__SRSMAP:
7891 check_insn(ctx, ISA_MIPS_R2);
7892 gen_mtc0_store32(arg, offsetof(CPUMIPSState, CP0_SRSMap));
7893 /* Stop translation as we may have switched the execution mode */
7894 ctx->base.is_jmp = DISAS_STOP;
7895 register_name = "SRSMap";
7896 break;
7897 default:
7898 goto cp0_unimplemented;
7899 }
7900 break;
7901 case CP0_REGISTER_13:
7902 switch (sel) {
7903 case CP0_REG13__CAUSE:
7904 save_cpu_state(ctx, 1);
7905 gen_helper_mtc0_cause(tcg_env, arg);
7906 /*
7907 * Stop translation as we may have triggered an interrupt.
7908 * DISAS_STOP isn't sufficient, we need to ensure we break out of
7909 * translated code to check for pending interrupts.
7910 */
7911 gen_save_pc(ctx->base.pc_next + 4);
7912 ctx->base.is_jmp = DISAS_EXIT;
7913 register_name = "Cause";
7914 break;
7915 default:
7916 goto cp0_unimplemented;
7917 }
7918 break;
7919 case CP0_REGISTER_14:
7920 switch (sel) {
7921 case CP0_REG14__EPC:
7922 tcg_gen_st_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_EPC));
7923 register_name = "EPC";
7924 break;
7925 default:
7926 goto cp0_unimplemented;
7927 }
7928 break;
7929 case CP0_REGISTER_15:
7930 switch (sel) {
7931 case CP0_REG15__PRID:
7932 /* ignored */
7933 register_name = "PRid";
7934 break;
7935 case CP0_REG15__EBASE:
7936 check_insn(ctx, ISA_MIPS_R2);
7937 gen_helper_mtc0_ebase(tcg_env, arg);
7938 register_name = "EBase";
7939 break;
7940 default:
7941 goto cp0_unimplemented;
7942 }
7943 break;
7944 case CP0_REGISTER_16:
7945 switch (sel) {
7946 case CP0_REG16__CONFIG:
7947 gen_helper_mtc0_config0(tcg_env, arg);
7948 register_name = "Config";
7949 /* Stop translation as we may have switched the execution mode */
7950 ctx->base.is_jmp = DISAS_STOP;
7951 break;
7952 case CP0_REG16__CONFIG1:
7953 /* ignored, read only */
7954 register_name = "Config1";
7955 break;
7956 case CP0_REG16__CONFIG2:
7957 gen_helper_mtc0_config2(tcg_env, arg);
7958 register_name = "Config2";
7959 /* Stop translation as we may have switched the execution mode */
7960 ctx->base.is_jmp = DISAS_STOP;
7961 break;
7962 case CP0_REG16__CONFIG3:
7963 gen_helper_mtc0_config3(tcg_env, arg);
7964 register_name = "Config3";
7965 /* Stop translation as we may have switched the execution mode */
7966 ctx->base.is_jmp = DISAS_STOP;
7967 break;
7968 case CP0_REG16__CONFIG4:
7969 /* currently ignored */
7970 register_name = "Config4";
7971 break;
7972 case CP0_REG16__CONFIG5:
7973 gen_helper_mtc0_config5(tcg_env, arg);
7974 register_name = "Config5";
7975 /* Stop translation as we may have switched the execution mode */
7976 ctx->base.is_jmp = DISAS_STOP;
7977 break;
7978 /* 6,7 are implementation dependent */
7979 default:
7980 register_name = "Invalid config selector";
7981 goto cp0_unimplemented;
7982 }
7983 break;
7984 case CP0_REGISTER_17:
7985 switch (sel) {
7986 case CP0_REG17__LLADDR:
7987 gen_helper_mtc0_lladdr(tcg_env, arg);
7988 register_name = "LLAddr";
7989 break;
7990 case CP0_REG17__MAAR:
7991 CP0_CHECK(ctx->mrp);
7992 gen_helper_mtc0_maar(tcg_env, arg);
7993 register_name = "MAAR";
7994 break;
7995 case CP0_REG17__MAARI:
7996 CP0_CHECK(ctx->mrp);
7997 gen_helper_mtc0_maari(tcg_env, arg);
7998 register_name = "MAARI";
7999 break;
8000 default:
8001 goto cp0_unimplemented;
8002 }
8003 break;
8004 case CP0_REGISTER_18:
8005 switch (sel) {
8006 case CP0_REG18__WATCHLO0:
8007 case CP0_REG18__WATCHLO1:
8008 case CP0_REG18__WATCHLO2:
8009 case CP0_REG18__WATCHLO3:
8010 case CP0_REG18__WATCHLO4:
8011 case CP0_REG18__WATCHLO5:
8012 case CP0_REG18__WATCHLO6:
8013 case CP0_REG18__WATCHLO7:
8014 CP0_CHECK(ctx->CP0_Config1 & (1 << CP0C1_WR));
8015 gen_helper_0e1i(mtc0_watchlo, arg, sel);
8016 register_name = "WatchLo";
8017 break;
8018 default:
8019 goto cp0_unimplemented;
8020 }
8021 break;
8022 case CP0_REGISTER_19:
8023 switch (sel) {
8024 case CP0_REG19__WATCHHI0:
8025 case CP0_REG19__WATCHHI1:
8026 case CP0_REG19__WATCHHI2:
8027 case CP0_REG19__WATCHHI3:
8028 case CP0_REG19__WATCHHI4:
8029 case CP0_REG19__WATCHHI5:
8030 case CP0_REG19__WATCHHI6:
8031 case CP0_REG19__WATCHHI7:
8032 CP0_CHECK(ctx->CP0_Config1 & (1 << CP0C1_WR));
8033 gen_helper_0e1i(mtc0_watchhi, arg, sel);
8034 register_name = "WatchHi";
8035 break;
8036 default:
8037 goto cp0_unimplemented;
8038 }
8039 break;
8040 case CP0_REGISTER_20:
8041 switch (sel) {
8042 case CP0_REG20__XCONTEXT:
8043 check_insn(ctx, ISA_MIPS3);
8044 gen_helper_mtc0_xcontext(tcg_env, arg);
8045 register_name = "XContext";
8046 break;
8047 default:
8048 goto cp0_unimplemented;
8049 }
8050 break;
8051 case CP0_REGISTER_21:
8052 /* Officially reserved, but sel 0 is used for R1x000 framemask */
8053 CP0_CHECK(!(ctx->insn_flags & ISA_MIPS_R6));
8054 switch (sel) {
8055 case 0:
8056 gen_helper_mtc0_framemask(tcg_env, arg);
8057 register_name = "Framemask";
8058 break;
8059 default:
8060 goto cp0_unimplemented;
8061 }
8062 break;
8063 case CP0_REGISTER_22:
8064 /* ignored */
8065 register_name = "Diagnostic"; /* implementation dependent */
8066 break;
8067 case CP0_REGISTER_23:
8068 switch (sel) {
8069 case CP0_REG23__DEBUG:
8070 gen_helper_mtc0_debug(tcg_env, arg); /* EJTAG support */
8071 /* DISAS_STOP isn't good enough here, hflags may have changed. */
8072 gen_save_pc(ctx->base.pc_next + 4);
8073 ctx->base.is_jmp = DISAS_EXIT;
8074 register_name = "Debug";
8075 break;
8076 case CP0_REG23__TRACECONTROL:
8077 /* PDtrace support */
8078 /* gen_helper_mtc0_tracecontrol(tcg_env, arg); */
8079 /* Stop translation as we may have switched the execution mode */
8080 ctx->base.is_jmp = DISAS_STOP;
8081 register_name = "TraceControl";
8082 goto cp0_unimplemented;
8083 case CP0_REG23__TRACECONTROL2:
8084 /* PDtrace support */
8085 /* gen_helper_mtc0_tracecontrol2(tcg_env, arg); */
8086 /* Stop translation as we may have switched the execution mode */
8087 ctx->base.is_jmp = DISAS_STOP;
8088 register_name = "TraceControl2";
8089 goto cp0_unimplemented;
8090 case CP0_REG23__USERTRACEDATA1:
8091 /* PDtrace support */
8092 /* gen_helper_mtc0_usertracedata1(tcg_env, arg);*/
8093 /* Stop translation as we may have switched the execution mode */
8094 ctx->base.is_jmp = DISAS_STOP;
8095 register_name = "UserTraceData1";
8096 goto cp0_unimplemented;
8097 case CP0_REG23__TRACEIBPC:
8098 /* PDtrace support */
8099 /* gen_helper_mtc0_traceibpc(tcg_env, arg); */
8100 /* Stop translation as we may have switched the execution mode */
8101 ctx->base.is_jmp = DISAS_STOP;
8102 register_name = "TraceIBPC";
8103 goto cp0_unimplemented;
8104 case CP0_REG23__TRACEDBPC:
8105 /* PDtrace support */
8106 /* gen_helper_mtc0_tracedbpc(tcg_env, arg); */
8107 /* Stop translation as we may have switched the execution mode */
8108 ctx->base.is_jmp = DISAS_STOP;
8109 register_name = "TraceDBPC";
8110 goto cp0_unimplemented;
8111 default:
8112 goto cp0_unimplemented;
8113 }
8114 break;
8115 case CP0_REGISTER_24:
8116 switch (sel) {
8117 case CP0_REG24__DEPC:
8118 /* EJTAG support */
8119 tcg_gen_st_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_DEPC));
8120 register_name = "DEPC";
8121 break;
8122 default:
8123 goto cp0_unimplemented;
8124 }
8125 break;
8126 case CP0_REGISTER_25:
8127 switch (sel) {
8128 case CP0_REG25__PERFCTL0:
8129 gen_helper_mtc0_performance0(tcg_env, arg);
8130 register_name = "Performance0";
8131 break;
8132 case CP0_REG25__PERFCNT0:
8133 /* gen_helper_mtc0_performance1(tcg_env, arg); */
8134 register_name = "Performance1";
8135 goto cp0_unimplemented;
8136 case CP0_REG25__PERFCTL1:
8137 /* gen_helper_mtc0_performance2(tcg_env, arg); */
8138 register_name = "Performance2";
8139 goto cp0_unimplemented;
8140 case CP0_REG25__PERFCNT1:
8141 /* gen_helper_mtc0_performance3(tcg_env, arg); */
8142 register_name = "Performance3";
8143 goto cp0_unimplemented;
8144 case CP0_REG25__PERFCTL2:
8145 /* gen_helper_mtc0_performance4(tcg_env, arg); */
8146 register_name = "Performance4";
8147 goto cp0_unimplemented;
8148 case CP0_REG25__PERFCNT2:
8149 /* gen_helper_mtc0_performance5(tcg_env, arg); */
8150 register_name = "Performance5";
8151 goto cp0_unimplemented;
8152 case CP0_REG25__PERFCTL3:
8153 /* gen_helper_mtc0_performance6(tcg_env, arg); */
8154 register_name = "Performance6";
8155 goto cp0_unimplemented;
8156 case CP0_REG25__PERFCNT3:
8157 /* gen_helper_mtc0_performance7(tcg_env, arg); */
8158 register_name = "Performance7";
8159 goto cp0_unimplemented;
8160 default:
8161 goto cp0_unimplemented;
8162 }
8163 break;
8164 case CP0_REGISTER_26:
8165 switch (sel) {
8166 case CP0_REG26__ERRCTL:
8167 gen_helper_mtc0_errctl(tcg_env, arg);
8168 ctx->base.is_jmp = DISAS_STOP;
8169 register_name = "ErrCtl";
8170 break;
8171 default:
8172 goto cp0_unimplemented;
8173 }
8174 break;
8175 case CP0_REGISTER_27:
8176 switch (sel) {
8177 case CP0_REG27__CACHERR:
8178 /* ignored */
8179 register_name = "CacheErr";
8180 break;
8181 default:
8182 goto cp0_unimplemented;
8183 }
8184 break;
8185 case CP0_REGISTER_28:
8186 switch (sel) {
8187 case CP0_REG28__TAGLO:
8188 case CP0_REG28__TAGLO1:
8189 case CP0_REG28__TAGLO2:
8190 case CP0_REG28__TAGLO3:
8191 gen_helper_mtc0_taglo(tcg_env, arg);
8192 register_name = "TagLo";
8193 break;
8194 case CP0_REG28__DATALO:
8195 case CP0_REG28__DATALO1:
8196 case CP0_REG28__DATALO2:
8197 case CP0_REG28__DATALO3:
8198 gen_helper_mtc0_datalo(tcg_env, arg);
8199 register_name = "DataLo";
8200 break;
8201 default:
8202 goto cp0_unimplemented;
8203 }
8204 break;
8205 case CP0_REGISTER_29:
8206 switch (sel) {
8207 case CP0_REG29__TAGHI:
8208 case CP0_REG29__TAGHI1:
8209 case CP0_REG29__TAGHI2:
8210 case CP0_REG29__TAGHI3:
8211 gen_helper_mtc0_taghi(tcg_env, arg);
8212 register_name = "TagHi";
8213 break;
8214 case CP0_REG29__DATAHI:
8215 case CP0_REG29__DATAHI1:
8216 case CP0_REG29__DATAHI2:
8217 case CP0_REG29__DATAHI3:
8218 gen_helper_mtc0_datahi(tcg_env, arg);
8219 register_name = "DataHi";
8220 break;
8221 default:
8222 register_name = "invalid sel";
8223 goto cp0_unimplemented;
8224 }
8225 break;
8226 case CP0_REGISTER_30:
8227 switch (sel) {
8228 case CP0_REG30__ERROREPC:
8229 tcg_gen_st_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_ErrorEPC));
8230 register_name = "ErrorEPC";
8231 break;
8232 default:
8233 goto cp0_unimplemented;
8234 }
8235 break;
8236 case CP0_REGISTER_31:
8237 switch (sel) {
8238 case CP0_REG31__DESAVE:
8239 /* EJTAG support */
8240 gen_mtc0_store32(arg, offsetof(CPUMIPSState, CP0_DESAVE));
8241 register_name = "DESAVE";
8242 break;
8243 case CP0_REG31__KSCRATCH1:
8244 case CP0_REG31__KSCRATCH2:
8245 case CP0_REG31__KSCRATCH3:
8246 case CP0_REG31__KSCRATCH4:
8247 case CP0_REG31__KSCRATCH5:
8248 case CP0_REG31__KSCRATCH6:
8249 CP0_CHECK(ctx->kscrexist & (1 << sel));
8250 tcg_gen_st_tl(arg, tcg_env,
8251 offsetof(CPUMIPSState, CP0_KScratch[sel - 2]));
8252 register_name = "KScratch";
8253 break;
8254 default:
8255 goto cp0_unimplemented;
8256 }
8257 break;
8258 default:
8259 goto cp0_unimplemented;
8260 }
8261 trace_mips_translate_c0("dmtc0", register_name, reg, sel);
8262
8263 /* For simplicity assume that all writes can cause interrupts. */
8264 if (icount) {
8265 /*
8266 * DISAS_STOP isn't sufficient, we need to ensure we break out of
8267 * translated code to check for pending interrupts.
8268 */
8269 gen_save_pc(ctx->base.pc_next + 4);
8270 ctx->base.is_jmp = DISAS_EXIT;
8271 }
8272 return;
8273
8274 cp0_unimplemented:
8275 qemu_log_mask(LOG_UNIMP, "dmtc0 %s (reg %d sel %d)\n",
8276 register_name, reg, sel);
8277 }
8278 #endif /* TARGET_MIPS64 */
8279
gen_mftr(CPUMIPSState * env,DisasContext * ctx,int rt,int rd,int u,int sel,int h)8280 static void gen_mftr(CPUMIPSState *env, DisasContext *ctx, int rt, int rd,
8281 int u, int sel, int h)
8282 {
8283 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
8284 TCGv t0 = tcg_temp_new();
8285
8286 if ((env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP)) == 0 &&
8287 ((env->tcs[other_tc].CP0_TCBind & (0xf << CP0TCBd_CurVPE)) !=
8288 (env->active_tc.CP0_TCBind & (0xf << CP0TCBd_CurVPE)))) {
8289 tcg_gen_movi_tl(t0, -1);
8290 } else if ((env->CP0_VPEControl & (0xff << CP0VPECo_TargTC)) >
8291 (env->mvp->CP0_MVPConf0 & (0xff << CP0MVPC0_PTC))) {
8292 tcg_gen_movi_tl(t0, -1);
8293 } else if (u == 0) {
8294 switch (rt) {
8295 case 1:
8296 switch (sel) {
8297 case 1:
8298 gen_helper_mftc0_vpecontrol(t0, tcg_env);
8299 break;
8300 case 2:
8301 gen_helper_mftc0_vpeconf0(t0, tcg_env);
8302 break;
8303 default:
8304 goto die;
8305 break;
8306 }
8307 break;
8308 case 2:
8309 switch (sel) {
8310 case 1:
8311 gen_helper_mftc0_tcstatus(t0, tcg_env);
8312 break;
8313 case 2:
8314 gen_helper_mftc0_tcbind(t0, tcg_env);
8315 break;
8316 case 3:
8317 gen_helper_mftc0_tcrestart(t0, tcg_env);
8318 break;
8319 case 4:
8320 gen_helper_mftc0_tchalt(t0, tcg_env);
8321 break;
8322 case 5:
8323 gen_helper_mftc0_tccontext(t0, tcg_env);
8324 break;
8325 case 6:
8326 gen_helper_mftc0_tcschedule(t0, tcg_env);
8327 break;
8328 case 7:
8329 gen_helper_mftc0_tcschefback(t0, tcg_env);
8330 break;
8331 default:
8332 gen_mfc0(ctx, t0, rt, sel);
8333 break;
8334 }
8335 break;
8336 case 10:
8337 switch (sel) {
8338 case 0:
8339 gen_helper_mftc0_entryhi(t0, tcg_env);
8340 break;
8341 default:
8342 gen_mfc0(ctx, t0, rt, sel);
8343 break;
8344 }
8345 break;
8346 case 12:
8347 switch (sel) {
8348 case 0:
8349 gen_helper_mftc0_status(t0, tcg_env);
8350 break;
8351 default:
8352 gen_mfc0(ctx, t0, rt, sel);
8353 break;
8354 }
8355 break;
8356 case 13:
8357 switch (sel) {
8358 case 0:
8359 gen_helper_mftc0_cause(t0, tcg_env);
8360 break;
8361 default:
8362 goto die;
8363 break;
8364 }
8365 break;
8366 case 14:
8367 switch (sel) {
8368 case 0:
8369 gen_helper_mftc0_epc(t0, tcg_env);
8370 break;
8371 default:
8372 goto die;
8373 break;
8374 }
8375 break;
8376 case 15:
8377 switch (sel) {
8378 case 1:
8379 gen_helper_mftc0_ebase(t0, tcg_env);
8380 break;
8381 default:
8382 goto die;
8383 break;
8384 }
8385 break;
8386 case 16:
8387 switch (sel) {
8388 case 0:
8389 case 1:
8390 case 2:
8391 case 3:
8392 case 4:
8393 case 5:
8394 case 6:
8395 case 7:
8396 gen_helper_mftc0_configx(t0, tcg_env, tcg_constant_tl(sel));
8397 break;
8398 default:
8399 goto die;
8400 break;
8401 }
8402 break;
8403 case 23:
8404 switch (sel) {
8405 case 0:
8406 gen_helper_mftc0_debug(t0, tcg_env);
8407 break;
8408 default:
8409 gen_mfc0(ctx, t0, rt, sel);
8410 break;
8411 }
8412 break;
8413 default:
8414 gen_mfc0(ctx, t0, rt, sel);
8415 }
8416 } else {
8417 switch (sel) {
8418 /* GPR registers. */
8419 case 0:
8420 gen_helper_1e0i(mftgpr, t0, rt);
8421 break;
8422 /* Auxiliary CPU registers */
8423 case 1:
8424 switch (rt) {
8425 case 0:
8426 gen_helper_1e0i(mftlo, t0, 0);
8427 break;
8428 case 1:
8429 gen_helper_1e0i(mfthi, t0, 0);
8430 break;
8431 case 2:
8432 gen_helper_1e0i(mftacx, t0, 0);
8433 break;
8434 case 4:
8435 gen_helper_1e0i(mftlo, t0, 1);
8436 break;
8437 case 5:
8438 gen_helper_1e0i(mfthi, t0, 1);
8439 break;
8440 case 6:
8441 gen_helper_1e0i(mftacx, t0, 1);
8442 break;
8443 case 8:
8444 gen_helper_1e0i(mftlo, t0, 2);
8445 break;
8446 case 9:
8447 gen_helper_1e0i(mfthi, t0, 2);
8448 break;
8449 case 10:
8450 gen_helper_1e0i(mftacx, t0, 2);
8451 break;
8452 case 12:
8453 gen_helper_1e0i(mftlo, t0, 3);
8454 break;
8455 case 13:
8456 gen_helper_1e0i(mfthi, t0, 3);
8457 break;
8458 case 14:
8459 gen_helper_1e0i(mftacx, t0, 3);
8460 break;
8461 case 16:
8462 gen_helper_mftdsp(t0, tcg_env);
8463 break;
8464 default:
8465 goto die;
8466 }
8467 break;
8468 /* Floating point (COP1). */
8469 case 2:
8470 /* XXX: For now we support only a single FPU context. */
8471 if (h == 0) {
8472 TCGv_i32 fp0 = tcg_temp_new_i32();
8473
8474 gen_load_fpr32(ctx, fp0, rt);
8475 tcg_gen_ext_i32_tl(t0, fp0);
8476 } else {
8477 TCGv_i32 fp0 = tcg_temp_new_i32();
8478
8479 gen_load_fpr32h(ctx, fp0, rt);
8480 tcg_gen_ext_i32_tl(t0, fp0);
8481 }
8482 break;
8483 case 3:
8484 /* XXX: For now we support only a single FPU context. */
8485 gen_helper_1e0i(cfc1, t0, rt);
8486 break;
8487 /* COP2: Not implemented. */
8488 case 4:
8489 case 5:
8490 /* fall through */
8491 default:
8492 goto die;
8493 }
8494 }
8495 trace_mips_translate_tr("mftr", rt, u, sel, h);
8496 gen_store_gpr(t0, rd);
8497 return;
8498
8499 die:
8500 LOG_DISAS("mftr (reg %d u %d sel %d h %d)\n", rt, u, sel, h);
8501 gen_reserved_instruction(ctx);
8502 }
8503
gen_mttr(CPUMIPSState * env,DisasContext * ctx,int rd,int rt,int u,int sel,int h)8504 static void gen_mttr(CPUMIPSState *env, DisasContext *ctx, int rd, int rt,
8505 int u, int sel, int h)
8506 {
8507 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
8508 TCGv t0 = tcg_temp_new();
8509
8510 gen_load_gpr(t0, rt);
8511 if ((env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP)) == 0 &&
8512 ((env->tcs[other_tc].CP0_TCBind & (0xf << CP0TCBd_CurVPE)) !=
8513 (env->active_tc.CP0_TCBind & (0xf << CP0TCBd_CurVPE)))) {
8514 /* NOP */
8515 ;
8516 } else if ((env->CP0_VPEControl & (0xff << CP0VPECo_TargTC)) >
8517 (env->mvp->CP0_MVPConf0 & (0xff << CP0MVPC0_PTC))) {
8518 /* NOP */
8519 ;
8520 } else if (u == 0) {
8521 switch (rd) {
8522 case 1:
8523 switch (sel) {
8524 case 1:
8525 gen_helper_mttc0_vpecontrol(tcg_env, t0);
8526 break;
8527 case 2:
8528 gen_helper_mttc0_vpeconf0(tcg_env, t0);
8529 break;
8530 default:
8531 goto die;
8532 break;
8533 }
8534 break;
8535 case 2:
8536 switch (sel) {
8537 case 1:
8538 gen_helper_mttc0_tcstatus(tcg_env, t0);
8539 break;
8540 case 2:
8541 gen_helper_mttc0_tcbind(tcg_env, t0);
8542 break;
8543 case 3:
8544 gen_helper_mttc0_tcrestart(tcg_env, t0);
8545 break;
8546 case 4:
8547 gen_helper_mttc0_tchalt(tcg_env, t0);
8548 break;
8549 case 5:
8550 gen_helper_mttc0_tccontext(tcg_env, t0);
8551 break;
8552 case 6:
8553 gen_helper_mttc0_tcschedule(tcg_env, t0);
8554 break;
8555 case 7:
8556 gen_helper_mttc0_tcschefback(tcg_env, t0);
8557 break;
8558 default:
8559 gen_mtc0(ctx, t0, rd, sel);
8560 break;
8561 }
8562 break;
8563 case 10:
8564 switch (sel) {
8565 case 0:
8566 gen_helper_mttc0_entryhi(tcg_env, t0);
8567 break;
8568 default:
8569 gen_mtc0(ctx, t0, rd, sel);
8570 break;
8571 }
8572 break;
8573 case 12:
8574 switch (sel) {
8575 case 0:
8576 gen_helper_mttc0_status(tcg_env, t0);
8577 break;
8578 default:
8579 gen_mtc0(ctx, t0, rd, sel);
8580 break;
8581 }
8582 break;
8583 case 13:
8584 switch (sel) {
8585 case 0:
8586 gen_helper_mttc0_cause(tcg_env, t0);
8587 break;
8588 default:
8589 goto die;
8590 break;
8591 }
8592 break;
8593 case 15:
8594 switch (sel) {
8595 case 1:
8596 gen_helper_mttc0_ebase(tcg_env, t0);
8597 break;
8598 default:
8599 goto die;
8600 break;
8601 }
8602 break;
8603 case 23:
8604 switch (sel) {
8605 case 0:
8606 gen_helper_mttc0_debug(tcg_env, t0);
8607 break;
8608 default:
8609 gen_mtc0(ctx, t0, rd, sel);
8610 break;
8611 }
8612 break;
8613 default:
8614 gen_mtc0(ctx, t0, rd, sel);
8615 }
8616 } else {
8617 switch (sel) {
8618 /* GPR registers. */
8619 case 0:
8620 gen_helper_0e1i(mttgpr, t0, rd);
8621 break;
8622 /* Auxiliary CPU registers */
8623 case 1:
8624 switch (rd) {
8625 case 0:
8626 gen_helper_0e1i(mttlo, t0, 0);
8627 break;
8628 case 1:
8629 gen_helper_0e1i(mtthi, t0, 0);
8630 break;
8631 case 2:
8632 gen_helper_0e1i(mttacx, t0, 0);
8633 break;
8634 case 4:
8635 gen_helper_0e1i(mttlo, t0, 1);
8636 break;
8637 case 5:
8638 gen_helper_0e1i(mtthi, t0, 1);
8639 break;
8640 case 6:
8641 gen_helper_0e1i(mttacx, t0, 1);
8642 break;
8643 case 8:
8644 gen_helper_0e1i(mttlo, t0, 2);
8645 break;
8646 case 9:
8647 gen_helper_0e1i(mtthi, t0, 2);
8648 break;
8649 case 10:
8650 gen_helper_0e1i(mttacx, t0, 2);
8651 break;
8652 case 12:
8653 gen_helper_0e1i(mttlo, t0, 3);
8654 break;
8655 case 13:
8656 gen_helper_0e1i(mtthi, t0, 3);
8657 break;
8658 case 14:
8659 gen_helper_0e1i(mttacx, t0, 3);
8660 break;
8661 case 16:
8662 gen_helper_mttdsp(tcg_env, t0);
8663 break;
8664 default:
8665 goto die;
8666 }
8667 break;
8668 /* Floating point (COP1). */
8669 case 2:
8670 /* XXX: For now we support only a single FPU context. */
8671 if (h == 0) {
8672 TCGv_i32 fp0 = tcg_temp_new_i32();
8673
8674 tcg_gen_trunc_tl_i32(fp0, t0);
8675 gen_store_fpr32(ctx, fp0, rd);
8676 } else {
8677 TCGv_i32 fp0 = tcg_temp_new_i32();
8678
8679 tcg_gen_trunc_tl_i32(fp0, t0);
8680 gen_store_fpr32h(ctx, fp0, rd);
8681 }
8682 break;
8683 case 3:
8684 /* XXX: For now we support only a single FPU context. */
8685 gen_helper_0e2i(ctc1, t0, tcg_constant_i32(rd), rt);
8686 /* Stop translation as we may have changed hflags */
8687 ctx->base.is_jmp = DISAS_STOP;
8688 break;
8689 /* COP2: Not implemented. */
8690 case 4:
8691 case 5:
8692 /* fall through */
8693 default:
8694 goto die;
8695 }
8696 }
8697 trace_mips_translate_tr("mttr", rd, u, sel, h);
8698 return;
8699
8700 die:
8701 LOG_DISAS("mttr (reg %d u %d sel %d h %d)\n", rd, u, sel, h);
8702 gen_reserved_instruction(ctx);
8703 }
8704
gen_cp0(CPUMIPSState * env,DisasContext * ctx,uint32_t opc,int rt,int rd)8705 static void gen_cp0(CPUMIPSState *env, DisasContext *ctx, uint32_t opc,
8706 int rt, int rd)
8707 {
8708 const char *opn = "ldst";
8709
8710 check_cp0_enabled(ctx);
8711 switch (opc) {
8712 case OPC_MFC0:
8713 if (rt == 0) {
8714 /* Treat as NOP. */
8715 return;
8716 }
8717 gen_mfc0(ctx, cpu_gpr[rt], rd, ctx->opcode & 0x7);
8718 opn = "mfc0";
8719 break;
8720 case OPC_MTC0:
8721 {
8722 TCGv t0 = tcg_temp_new();
8723
8724 gen_load_gpr(t0, rt);
8725 gen_mtc0(ctx, t0, rd, ctx->opcode & 0x7);
8726 }
8727 opn = "mtc0";
8728 break;
8729 #if defined(TARGET_MIPS64)
8730 case OPC_DMFC0:
8731 check_insn(ctx, ISA_MIPS3);
8732 if (rt == 0) {
8733 /* Treat as NOP. */
8734 return;
8735 }
8736 gen_dmfc0(ctx, cpu_gpr[rt], rd, ctx->opcode & 0x7);
8737 opn = "dmfc0";
8738 break;
8739 case OPC_DMTC0:
8740 check_insn(ctx, ISA_MIPS3);
8741 {
8742 TCGv t0 = tcg_temp_new();
8743
8744 gen_load_gpr(t0, rt);
8745 gen_dmtc0(ctx, t0, rd, ctx->opcode & 0x7);
8746 }
8747 opn = "dmtc0";
8748 break;
8749 #endif
8750 case OPC_MFHC0:
8751 check_mvh(ctx);
8752 if (rt == 0) {
8753 /* Treat as NOP. */
8754 return;
8755 }
8756 gen_mfhc0(ctx, cpu_gpr[rt], rd, ctx->opcode & 0x7);
8757 opn = "mfhc0";
8758 break;
8759 case OPC_MTHC0:
8760 check_mvh(ctx);
8761 {
8762 TCGv t0 = tcg_temp_new();
8763 gen_load_gpr(t0, rt);
8764 gen_mthc0(ctx, t0, rd, ctx->opcode & 0x7);
8765 }
8766 opn = "mthc0";
8767 break;
8768 case OPC_MFTR:
8769 check_cp0_enabled(ctx);
8770 if (rd == 0) {
8771 /* Treat as NOP. */
8772 return;
8773 }
8774 gen_mftr(env, ctx, rt, rd, (ctx->opcode >> 5) & 1,
8775 ctx->opcode & 0x7, (ctx->opcode >> 4) & 1);
8776 opn = "mftr";
8777 break;
8778 case OPC_MTTR:
8779 check_cp0_enabled(ctx);
8780 gen_mttr(env, ctx, rd, rt, (ctx->opcode >> 5) & 1,
8781 ctx->opcode & 0x7, (ctx->opcode >> 4) & 1);
8782 opn = "mttr";
8783 break;
8784 case OPC_TLBWI:
8785 opn = "tlbwi";
8786 if (!env->tlb->helper_tlbwi) {
8787 goto die;
8788 }
8789 gen_helper_tlbwi(tcg_env);
8790 break;
8791 case OPC_TLBINV:
8792 opn = "tlbinv";
8793 if (ctx->ie >= 2) {
8794 if (!env->tlb->helper_tlbinv) {
8795 goto die;
8796 }
8797 gen_helper_tlbinv(tcg_env);
8798 } /* treat as nop if TLBINV not supported */
8799 break;
8800 case OPC_TLBINVF:
8801 opn = "tlbinvf";
8802 if (ctx->ie >= 2) {
8803 if (!env->tlb->helper_tlbinvf) {
8804 goto die;
8805 }
8806 gen_helper_tlbinvf(tcg_env);
8807 } /* treat as nop if TLBINV not supported */
8808 break;
8809 case OPC_TLBWR:
8810 opn = "tlbwr";
8811 if (!env->tlb->helper_tlbwr) {
8812 goto die;
8813 }
8814 gen_helper_tlbwr(tcg_env);
8815 break;
8816 case OPC_TLBP:
8817 opn = "tlbp";
8818 if (!env->tlb->helper_tlbp) {
8819 goto die;
8820 }
8821 gen_helper_tlbp(tcg_env);
8822 break;
8823 case OPC_TLBR:
8824 opn = "tlbr";
8825 if (!env->tlb->helper_tlbr) {
8826 goto die;
8827 }
8828 gen_helper_tlbr(tcg_env);
8829 break;
8830 case OPC_ERET: /* OPC_ERETNC */
8831 if ((ctx->insn_flags & ISA_MIPS_R6) &&
8832 (ctx->hflags & MIPS_HFLAG_BMASK)) {
8833 goto die;
8834 } else {
8835 int bit_shift = (ctx->hflags & MIPS_HFLAG_M16) ? 16 : 6;
8836 if (ctx->opcode & (1 << bit_shift)) {
8837 /* OPC_ERETNC */
8838 opn = "eretnc";
8839 check_insn(ctx, ISA_MIPS_R5);
8840 gen_helper_eretnc(tcg_env);
8841 } else {
8842 /* OPC_ERET */
8843 opn = "eret";
8844 check_insn(ctx, ISA_MIPS2);
8845 gen_helper_eret(tcg_env);
8846 }
8847 ctx->base.is_jmp = DISAS_EXIT;
8848 }
8849 break;
8850 case OPC_DERET:
8851 opn = "deret";
8852 check_insn(ctx, ISA_MIPS_R1);
8853 if ((ctx->insn_flags & ISA_MIPS_R6) &&
8854 (ctx->hflags & MIPS_HFLAG_BMASK)) {
8855 goto die;
8856 }
8857 if (!(ctx->hflags & MIPS_HFLAG_DM)) {
8858 MIPS_INVAL(opn);
8859 gen_reserved_instruction(ctx);
8860 } else {
8861 gen_helper_deret(tcg_env);
8862 ctx->base.is_jmp = DISAS_EXIT;
8863 }
8864 break;
8865 case OPC_WAIT:
8866 opn = "wait";
8867 check_insn(ctx, ISA_MIPS3 | ISA_MIPS_R1);
8868 if ((ctx->insn_flags & ISA_MIPS_R6) &&
8869 (ctx->hflags & MIPS_HFLAG_BMASK)) {
8870 goto die;
8871 }
8872 /* If we get an exception, we want to restart at next instruction */
8873 ctx->base.pc_next += 4;
8874 save_cpu_state(ctx, 1);
8875 ctx->base.pc_next -= 4;
8876 gen_helper_wait(tcg_env);
8877 ctx->base.is_jmp = DISAS_NORETURN;
8878 break;
8879 default:
8880 die:
8881 MIPS_INVAL(opn);
8882 gen_reserved_instruction(ctx);
8883 return;
8884 }
8885 (void)opn; /* avoid a compiler warning */
8886 }
8887 #endif /* !CONFIG_USER_ONLY */
8888
8889 /* CP1 Branches (before delay slot) */
gen_compute_branch1(DisasContext * ctx,uint32_t op,int32_t cc,int32_t offset)8890 static void gen_compute_branch1(DisasContext *ctx, uint32_t op,
8891 int32_t cc, int32_t offset)
8892 {
8893 target_ulong btarget;
8894 TCGv_i32 t0 = tcg_temp_new_i32();
8895
8896 if ((ctx->insn_flags & ISA_MIPS_R6) && (ctx->hflags & MIPS_HFLAG_BMASK)) {
8897 gen_reserved_instruction(ctx);
8898 return;
8899 }
8900
8901 if (cc != 0) {
8902 check_insn(ctx, ISA_MIPS4 | ISA_MIPS_R1);
8903 }
8904
8905 btarget = ctx->base.pc_next + 4 + offset;
8906
8907 switch (op) {
8908 case OPC_BC1F:
8909 tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc));
8910 tcg_gen_not_i32(t0, t0);
8911 tcg_gen_andi_i32(t0, t0, 1);
8912 tcg_gen_extu_i32_tl(bcond, t0);
8913 goto not_likely;
8914 case OPC_BC1FL:
8915 tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc));
8916 tcg_gen_not_i32(t0, t0);
8917 tcg_gen_andi_i32(t0, t0, 1);
8918 tcg_gen_extu_i32_tl(bcond, t0);
8919 goto likely;
8920 case OPC_BC1T:
8921 tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc));
8922 tcg_gen_andi_i32(t0, t0, 1);
8923 tcg_gen_extu_i32_tl(bcond, t0);
8924 goto not_likely;
8925 case OPC_BC1TL:
8926 tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc));
8927 tcg_gen_andi_i32(t0, t0, 1);
8928 tcg_gen_extu_i32_tl(bcond, t0);
8929 likely:
8930 ctx->hflags |= MIPS_HFLAG_BL;
8931 break;
8932 case OPC_BC1FANY2:
8933 {
8934 TCGv_i32 t1 = tcg_temp_new_i32();
8935 tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc));
8936 tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc + 1));
8937 tcg_gen_nand_i32(t0, t0, t1);
8938 tcg_gen_andi_i32(t0, t0, 1);
8939 tcg_gen_extu_i32_tl(bcond, t0);
8940 }
8941 goto not_likely;
8942 case OPC_BC1TANY2:
8943 {
8944 TCGv_i32 t1 = tcg_temp_new_i32();
8945 tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc));
8946 tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc + 1));
8947 tcg_gen_or_i32(t0, t0, t1);
8948 tcg_gen_andi_i32(t0, t0, 1);
8949 tcg_gen_extu_i32_tl(bcond, t0);
8950 }
8951 goto not_likely;
8952 case OPC_BC1FANY4:
8953 {
8954 TCGv_i32 t1 = tcg_temp_new_i32();
8955 tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc));
8956 tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc + 1));
8957 tcg_gen_and_i32(t0, t0, t1);
8958 tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc + 2));
8959 tcg_gen_and_i32(t0, t0, t1);
8960 tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc + 3));
8961 tcg_gen_nand_i32(t0, t0, t1);
8962 tcg_gen_andi_i32(t0, t0, 1);
8963 tcg_gen_extu_i32_tl(bcond, t0);
8964 }
8965 goto not_likely;
8966 case OPC_BC1TANY4:
8967 {
8968 TCGv_i32 t1 = tcg_temp_new_i32();
8969 tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc));
8970 tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc + 1));
8971 tcg_gen_or_i32(t0, t0, t1);
8972 tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc + 2));
8973 tcg_gen_or_i32(t0, t0, t1);
8974 tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc + 3));
8975 tcg_gen_or_i32(t0, t0, t1);
8976 tcg_gen_andi_i32(t0, t0, 1);
8977 tcg_gen_extu_i32_tl(bcond, t0);
8978 }
8979 not_likely:
8980 ctx->hflags |= MIPS_HFLAG_BC;
8981 break;
8982 default:
8983 MIPS_INVAL("cp1 cond branch");
8984 gen_reserved_instruction(ctx);
8985 return;
8986 }
8987 ctx->btarget = btarget;
8988 ctx->hflags |= MIPS_HFLAG_BDS32;
8989 }
8990
8991 /* R6 CP1 Branches */
gen_compute_branch1_r6(DisasContext * ctx,uint32_t op,int32_t ft,int32_t offset,int delayslot_size)8992 static void gen_compute_branch1_r6(DisasContext *ctx, uint32_t op,
8993 int32_t ft, int32_t offset,
8994 int delayslot_size)
8995 {
8996 target_ulong btarget;
8997 TCGv_i64 t0 = tcg_temp_new_i64();
8998
8999 if (ctx->hflags & MIPS_HFLAG_BMASK) {
9000 #ifdef MIPS_DEBUG_DISAS
9001 LOG_DISAS("Branch in delay / forbidden slot at PC 0x%016"
9002 VADDR_PRIx "\n", ctx->base.pc_next);
9003 #endif
9004 gen_reserved_instruction(ctx);
9005 return;
9006 }
9007
9008 gen_load_fpr64(ctx, t0, ft);
9009 tcg_gen_andi_i64(t0, t0, 1);
9010
9011 btarget = addr_add(ctx, ctx->base.pc_next + 4, offset);
9012
9013 switch (op) {
9014 case OPC_BC1EQZ:
9015 tcg_gen_xori_i64(t0, t0, 1);
9016 ctx->hflags |= MIPS_HFLAG_BC;
9017 break;
9018 case OPC_BC1NEZ:
9019 /* t0 already set */
9020 ctx->hflags |= MIPS_HFLAG_BC;
9021 break;
9022 default:
9023 MIPS_INVAL("cp1 cond branch");
9024 gen_reserved_instruction(ctx);
9025 return;
9026 }
9027
9028 tcg_gen_trunc_i64_tl(bcond, t0);
9029
9030 ctx->btarget = btarget;
9031
9032 switch (delayslot_size) {
9033 case 2:
9034 ctx->hflags |= MIPS_HFLAG_BDS16;
9035 break;
9036 case 4:
9037 ctx->hflags |= MIPS_HFLAG_BDS32;
9038 break;
9039 }
9040 }
9041
9042 /* Coprocessor 1 (FPU) */
9043
9044 #define FOP(func, fmt) (((fmt) << 21) | (func))
9045
9046 enum fopcode {
9047 OPC_ADD_S = FOP(0, FMT_S),
9048 OPC_SUB_S = FOP(1, FMT_S),
9049 OPC_MUL_S = FOP(2, FMT_S),
9050 OPC_DIV_S = FOP(3, FMT_S),
9051 OPC_SQRT_S = FOP(4, FMT_S),
9052 OPC_ABS_S = FOP(5, FMT_S),
9053 OPC_MOV_S = FOP(6, FMT_S),
9054 OPC_NEG_S = FOP(7, FMT_S),
9055 OPC_ROUND_L_S = FOP(8, FMT_S),
9056 OPC_TRUNC_L_S = FOP(9, FMT_S),
9057 OPC_CEIL_L_S = FOP(10, FMT_S),
9058 OPC_FLOOR_L_S = FOP(11, FMT_S),
9059 OPC_ROUND_W_S = FOP(12, FMT_S),
9060 OPC_TRUNC_W_S = FOP(13, FMT_S),
9061 OPC_CEIL_W_S = FOP(14, FMT_S),
9062 OPC_FLOOR_W_S = FOP(15, FMT_S),
9063 OPC_SEL_S = FOP(16, FMT_S),
9064 OPC_MOVCF_S = FOP(17, FMT_S),
9065 OPC_MOVZ_S = FOP(18, FMT_S),
9066 OPC_MOVN_S = FOP(19, FMT_S),
9067 OPC_SELEQZ_S = FOP(20, FMT_S),
9068 OPC_RECIP_S = FOP(21, FMT_S),
9069 OPC_RSQRT_S = FOP(22, FMT_S),
9070 OPC_SELNEZ_S = FOP(23, FMT_S),
9071 OPC_MADDF_S = FOP(24, FMT_S),
9072 OPC_MSUBF_S = FOP(25, FMT_S),
9073 OPC_RINT_S = FOP(26, FMT_S),
9074 OPC_CLASS_S = FOP(27, FMT_S),
9075 OPC_MIN_S = FOP(28, FMT_S),
9076 OPC_RECIP2_S = FOP(28, FMT_S),
9077 OPC_MINA_S = FOP(29, FMT_S),
9078 OPC_RECIP1_S = FOP(29, FMT_S),
9079 OPC_MAX_S = FOP(30, FMT_S),
9080 OPC_RSQRT1_S = FOP(30, FMT_S),
9081 OPC_MAXA_S = FOP(31, FMT_S),
9082 OPC_RSQRT2_S = FOP(31, FMT_S),
9083 OPC_CVT_D_S = FOP(33, FMT_S),
9084 OPC_CVT_W_S = FOP(36, FMT_S),
9085 OPC_CVT_L_S = FOP(37, FMT_S),
9086 OPC_CVT_PS_S = FOP(38, FMT_S),
9087 OPC_CMP_F_S = FOP(48, FMT_S),
9088 OPC_CMP_UN_S = FOP(49, FMT_S),
9089 OPC_CMP_EQ_S = FOP(50, FMT_S),
9090 OPC_CMP_UEQ_S = FOP(51, FMT_S),
9091 OPC_CMP_OLT_S = FOP(52, FMT_S),
9092 OPC_CMP_ULT_S = FOP(53, FMT_S),
9093 OPC_CMP_OLE_S = FOP(54, FMT_S),
9094 OPC_CMP_ULE_S = FOP(55, FMT_S),
9095 OPC_CMP_SF_S = FOP(56, FMT_S),
9096 OPC_CMP_NGLE_S = FOP(57, FMT_S),
9097 OPC_CMP_SEQ_S = FOP(58, FMT_S),
9098 OPC_CMP_NGL_S = FOP(59, FMT_S),
9099 OPC_CMP_LT_S = FOP(60, FMT_S),
9100 OPC_CMP_NGE_S = FOP(61, FMT_S),
9101 OPC_CMP_LE_S = FOP(62, FMT_S),
9102 OPC_CMP_NGT_S = FOP(63, FMT_S),
9103
9104 OPC_ADD_D = FOP(0, FMT_D),
9105 OPC_SUB_D = FOP(1, FMT_D),
9106 OPC_MUL_D = FOP(2, FMT_D),
9107 OPC_DIV_D = FOP(3, FMT_D),
9108 OPC_SQRT_D = FOP(4, FMT_D),
9109 OPC_ABS_D = FOP(5, FMT_D),
9110 OPC_MOV_D = FOP(6, FMT_D),
9111 OPC_NEG_D = FOP(7, FMT_D),
9112 OPC_ROUND_L_D = FOP(8, FMT_D),
9113 OPC_TRUNC_L_D = FOP(9, FMT_D),
9114 OPC_CEIL_L_D = FOP(10, FMT_D),
9115 OPC_FLOOR_L_D = FOP(11, FMT_D),
9116 OPC_ROUND_W_D = FOP(12, FMT_D),
9117 OPC_TRUNC_W_D = FOP(13, FMT_D),
9118 OPC_CEIL_W_D = FOP(14, FMT_D),
9119 OPC_FLOOR_W_D = FOP(15, FMT_D),
9120 OPC_SEL_D = FOP(16, FMT_D),
9121 OPC_MOVCF_D = FOP(17, FMT_D),
9122 OPC_MOVZ_D = FOP(18, FMT_D),
9123 OPC_MOVN_D = FOP(19, FMT_D),
9124 OPC_SELEQZ_D = FOP(20, FMT_D),
9125 OPC_RECIP_D = FOP(21, FMT_D),
9126 OPC_RSQRT_D = FOP(22, FMT_D),
9127 OPC_SELNEZ_D = FOP(23, FMT_D),
9128 OPC_MADDF_D = FOP(24, FMT_D),
9129 OPC_MSUBF_D = FOP(25, FMT_D),
9130 OPC_RINT_D = FOP(26, FMT_D),
9131 OPC_CLASS_D = FOP(27, FMT_D),
9132 OPC_MIN_D = FOP(28, FMT_D),
9133 OPC_RECIP2_D = FOP(28, FMT_D),
9134 OPC_MINA_D = FOP(29, FMT_D),
9135 OPC_RECIP1_D = FOP(29, FMT_D),
9136 OPC_MAX_D = FOP(30, FMT_D),
9137 OPC_RSQRT1_D = FOP(30, FMT_D),
9138 OPC_MAXA_D = FOP(31, FMT_D),
9139 OPC_RSQRT2_D = FOP(31, FMT_D),
9140 OPC_CVT_S_D = FOP(32, FMT_D),
9141 OPC_CVT_W_D = FOP(36, FMT_D),
9142 OPC_CVT_L_D = FOP(37, FMT_D),
9143 OPC_CMP_F_D = FOP(48, FMT_D),
9144 OPC_CMP_UN_D = FOP(49, FMT_D),
9145 OPC_CMP_EQ_D = FOP(50, FMT_D),
9146 OPC_CMP_UEQ_D = FOP(51, FMT_D),
9147 OPC_CMP_OLT_D = FOP(52, FMT_D),
9148 OPC_CMP_ULT_D = FOP(53, FMT_D),
9149 OPC_CMP_OLE_D = FOP(54, FMT_D),
9150 OPC_CMP_ULE_D = FOP(55, FMT_D),
9151 OPC_CMP_SF_D = FOP(56, FMT_D),
9152 OPC_CMP_NGLE_D = FOP(57, FMT_D),
9153 OPC_CMP_SEQ_D = FOP(58, FMT_D),
9154 OPC_CMP_NGL_D = FOP(59, FMT_D),
9155 OPC_CMP_LT_D = FOP(60, FMT_D),
9156 OPC_CMP_NGE_D = FOP(61, FMT_D),
9157 OPC_CMP_LE_D = FOP(62, FMT_D),
9158 OPC_CMP_NGT_D = FOP(63, FMT_D),
9159
9160 OPC_CVT_S_W = FOP(32, FMT_W),
9161 OPC_CVT_D_W = FOP(33, FMT_W),
9162 OPC_CVT_S_L = FOP(32, FMT_L),
9163 OPC_CVT_D_L = FOP(33, FMT_L),
9164 OPC_CVT_PS_PW = FOP(38, FMT_W),
9165
9166 OPC_ADD_PS = FOP(0, FMT_PS),
9167 OPC_SUB_PS = FOP(1, FMT_PS),
9168 OPC_MUL_PS = FOP(2, FMT_PS),
9169 OPC_DIV_PS = FOP(3, FMT_PS),
9170 OPC_ABS_PS = FOP(5, FMT_PS),
9171 OPC_MOV_PS = FOP(6, FMT_PS),
9172 OPC_NEG_PS = FOP(7, FMT_PS),
9173 OPC_MOVCF_PS = FOP(17, FMT_PS),
9174 OPC_MOVZ_PS = FOP(18, FMT_PS),
9175 OPC_MOVN_PS = FOP(19, FMT_PS),
9176 OPC_ADDR_PS = FOP(24, FMT_PS),
9177 OPC_MULR_PS = FOP(26, FMT_PS),
9178 OPC_RECIP2_PS = FOP(28, FMT_PS),
9179 OPC_RECIP1_PS = FOP(29, FMT_PS),
9180 OPC_RSQRT1_PS = FOP(30, FMT_PS),
9181 OPC_RSQRT2_PS = FOP(31, FMT_PS),
9182
9183 OPC_CVT_S_PU = FOP(32, FMT_PS),
9184 OPC_CVT_PW_PS = FOP(36, FMT_PS),
9185 OPC_CVT_S_PL = FOP(40, FMT_PS),
9186 OPC_PLL_PS = FOP(44, FMT_PS),
9187 OPC_PLU_PS = FOP(45, FMT_PS),
9188 OPC_PUL_PS = FOP(46, FMT_PS),
9189 OPC_PUU_PS = FOP(47, FMT_PS),
9190 OPC_CMP_F_PS = FOP(48, FMT_PS),
9191 OPC_CMP_UN_PS = FOP(49, FMT_PS),
9192 OPC_CMP_EQ_PS = FOP(50, FMT_PS),
9193 OPC_CMP_UEQ_PS = FOP(51, FMT_PS),
9194 OPC_CMP_OLT_PS = FOP(52, FMT_PS),
9195 OPC_CMP_ULT_PS = FOP(53, FMT_PS),
9196 OPC_CMP_OLE_PS = FOP(54, FMT_PS),
9197 OPC_CMP_ULE_PS = FOP(55, FMT_PS),
9198 OPC_CMP_SF_PS = FOP(56, FMT_PS),
9199 OPC_CMP_NGLE_PS = FOP(57, FMT_PS),
9200 OPC_CMP_SEQ_PS = FOP(58, FMT_PS),
9201 OPC_CMP_NGL_PS = FOP(59, FMT_PS),
9202 OPC_CMP_LT_PS = FOP(60, FMT_PS),
9203 OPC_CMP_NGE_PS = FOP(61, FMT_PS),
9204 OPC_CMP_LE_PS = FOP(62, FMT_PS),
9205 OPC_CMP_NGT_PS = FOP(63, FMT_PS),
9206 };
9207
9208 enum r6_f_cmp_op {
9209 R6_OPC_CMP_AF_S = FOP(0, FMT_W),
9210 R6_OPC_CMP_UN_S = FOP(1, FMT_W),
9211 R6_OPC_CMP_EQ_S = FOP(2, FMT_W),
9212 R6_OPC_CMP_UEQ_S = FOP(3, FMT_W),
9213 R6_OPC_CMP_LT_S = FOP(4, FMT_W),
9214 R6_OPC_CMP_ULT_S = FOP(5, FMT_W),
9215 R6_OPC_CMP_LE_S = FOP(6, FMT_W),
9216 R6_OPC_CMP_ULE_S = FOP(7, FMT_W),
9217 R6_OPC_CMP_SAF_S = FOP(8, FMT_W),
9218 R6_OPC_CMP_SUN_S = FOP(9, FMT_W),
9219 R6_OPC_CMP_SEQ_S = FOP(10, FMT_W),
9220 R6_OPC_CMP_SEUQ_S = FOP(11, FMT_W),
9221 R6_OPC_CMP_SLT_S = FOP(12, FMT_W),
9222 R6_OPC_CMP_SULT_S = FOP(13, FMT_W),
9223 R6_OPC_CMP_SLE_S = FOP(14, FMT_W),
9224 R6_OPC_CMP_SULE_S = FOP(15, FMT_W),
9225 R6_OPC_CMP_OR_S = FOP(17, FMT_W),
9226 R6_OPC_CMP_UNE_S = FOP(18, FMT_W),
9227 R6_OPC_CMP_NE_S = FOP(19, FMT_W),
9228 R6_OPC_CMP_SOR_S = FOP(25, FMT_W),
9229 R6_OPC_CMP_SUNE_S = FOP(26, FMT_W),
9230 R6_OPC_CMP_SNE_S = FOP(27, FMT_W),
9231
9232 R6_OPC_CMP_AF_D = FOP(0, FMT_L),
9233 R6_OPC_CMP_UN_D = FOP(1, FMT_L),
9234 R6_OPC_CMP_EQ_D = FOP(2, FMT_L),
9235 R6_OPC_CMP_UEQ_D = FOP(3, FMT_L),
9236 R6_OPC_CMP_LT_D = FOP(4, FMT_L),
9237 R6_OPC_CMP_ULT_D = FOP(5, FMT_L),
9238 R6_OPC_CMP_LE_D = FOP(6, FMT_L),
9239 R6_OPC_CMP_ULE_D = FOP(7, FMT_L),
9240 R6_OPC_CMP_SAF_D = FOP(8, FMT_L),
9241 R6_OPC_CMP_SUN_D = FOP(9, FMT_L),
9242 R6_OPC_CMP_SEQ_D = FOP(10, FMT_L),
9243 R6_OPC_CMP_SEUQ_D = FOP(11, FMT_L),
9244 R6_OPC_CMP_SLT_D = FOP(12, FMT_L),
9245 R6_OPC_CMP_SULT_D = FOP(13, FMT_L),
9246 R6_OPC_CMP_SLE_D = FOP(14, FMT_L),
9247 R6_OPC_CMP_SULE_D = FOP(15, FMT_L),
9248 R6_OPC_CMP_OR_D = FOP(17, FMT_L),
9249 R6_OPC_CMP_UNE_D = FOP(18, FMT_L),
9250 R6_OPC_CMP_NE_D = FOP(19, FMT_L),
9251 R6_OPC_CMP_SOR_D = FOP(25, FMT_L),
9252 R6_OPC_CMP_SUNE_D = FOP(26, FMT_L),
9253 R6_OPC_CMP_SNE_D = FOP(27, FMT_L),
9254 };
9255
gen_cp1(DisasContext * ctx,uint32_t opc,int rt,int fs)9256 static void gen_cp1(DisasContext *ctx, uint32_t opc, int rt, int fs)
9257 {
9258 TCGv t0 = tcg_temp_new();
9259
9260 switch (opc) {
9261 case OPC_MFC1:
9262 {
9263 TCGv_i32 fp0 = tcg_temp_new_i32();
9264
9265 gen_load_fpr32(ctx, fp0, fs);
9266 tcg_gen_ext_i32_tl(t0, fp0);
9267 }
9268 gen_store_gpr(t0, rt);
9269 break;
9270 case OPC_MTC1:
9271 gen_load_gpr(t0, rt);
9272 {
9273 TCGv_i32 fp0 = tcg_temp_new_i32();
9274
9275 tcg_gen_trunc_tl_i32(fp0, t0);
9276 gen_store_fpr32(ctx, fp0, fs);
9277 }
9278 break;
9279 case OPC_CFC1:
9280 gen_helper_1e0i(cfc1, t0, fs);
9281 gen_store_gpr(t0, rt);
9282 break;
9283 case OPC_CTC1:
9284 gen_load_gpr(t0, rt);
9285 save_cpu_state(ctx, 0);
9286 gen_helper_0e2i(ctc1, t0, tcg_constant_i32(fs), rt);
9287 /* Stop translation as we may have changed hflags */
9288 ctx->base.is_jmp = DISAS_STOP;
9289 break;
9290 #if defined(TARGET_MIPS64)
9291 case OPC_DMFC1:
9292 gen_load_fpr64(ctx, t0, fs);
9293 gen_store_gpr(t0, rt);
9294 break;
9295 case OPC_DMTC1:
9296 gen_load_gpr(t0, rt);
9297 gen_store_fpr64(ctx, t0, fs);
9298 break;
9299 #endif
9300 case OPC_MFHC1:
9301 {
9302 TCGv_i32 fp0 = tcg_temp_new_i32();
9303
9304 gen_load_fpr32h(ctx, fp0, fs);
9305 tcg_gen_ext_i32_tl(t0, fp0);
9306 }
9307 gen_store_gpr(t0, rt);
9308 break;
9309 case OPC_MTHC1:
9310 gen_load_gpr(t0, rt);
9311 {
9312 TCGv_i32 fp0 = tcg_temp_new_i32();
9313
9314 tcg_gen_trunc_tl_i32(fp0, t0);
9315 gen_store_fpr32h(ctx, fp0, fs);
9316 }
9317 break;
9318 default:
9319 MIPS_INVAL("cp1 move");
9320 gen_reserved_instruction(ctx);
9321 return;
9322 }
9323 }
9324
gen_movci(DisasContext * ctx,int rd,int rs,int cc,int tf)9325 static void gen_movci(DisasContext *ctx, int rd, int rs, int cc, int tf)
9326 {
9327 TCGLabel *l1;
9328 TCGCond cond;
9329 TCGv_i32 t0;
9330
9331 if (rd == 0) {
9332 /* Treat as NOP. */
9333 return;
9334 }
9335
9336 if (tf) {
9337 cond = TCG_COND_EQ;
9338 } else {
9339 cond = TCG_COND_NE;
9340 }
9341
9342 l1 = gen_new_label();
9343 t0 = tcg_temp_new_i32();
9344 tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc));
9345 tcg_gen_brcondi_i32(cond, t0, 0, l1);
9346 gen_load_gpr(cpu_gpr[rd], rs);
9347 gen_set_label(l1);
9348 }
9349
gen_movcf_s(DisasContext * ctx,int fs,int fd,int cc,int tf)9350 static inline void gen_movcf_s(DisasContext *ctx, int fs, int fd, int cc,
9351 int tf)
9352 {
9353 int cond;
9354 TCGv_i32 t0 = tcg_temp_new_i32();
9355 TCGLabel *l1 = gen_new_label();
9356
9357 if (tf) {
9358 cond = TCG_COND_EQ;
9359 } else {
9360 cond = TCG_COND_NE;
9361 }
9362
9363 tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc));
9364 tcg_gen_brcondi_i32(cond, t0, 0, l1);
9365 gen_load_fpr32(ctx, t0, fs);
9366 gen_store_fpr32(ctx, t0, fd);
9367 gen_set_label(l1);
9368 }
9369
gen_movcf_d(DisasContext * ctx,int fs,int fd,int cc,int tf)9370 static inline void gen_movcf_d(DisasContext *ctx, int fs, int fd, int cc,
9371 int tf)
9372 {
9373 int cond;
9374 TCGv_i32 t0 = tcg_temp_new_i32();
9375 TCGv_i64 fp0;
9376 TCGLabel *l1 = gen_new_label();
9377
9378 if (tf) {
9379 cond = TCG_COND_EQ;
9380 } else {
9381 cond = TCG_COND_NE;
9382 }
9383
9384 tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc));
9385 tcg_gen_brcondi_i32(cond, t0, 0, l1);
9386 fp0 = tcg_temp_new_i64();
9387 gen_load_fpr64(ctx, fp0, fs);
9388 gen_store_fpr64(ctx, fp0, fd);
9389 gen_set_label(l1);
9390 }
9391
gen_movcf_ps(DisasContext * ctx,int fs,int fd,int cc,int tf)9392 static inline void gen_movcf_ps(DisasContext *ctx, int fs, int fd,
9393 int cc, int tf)
9394 {
9395 int cond;
9396 TCGv_i32 t0 = tcg_temp_new_i32();
9397 TCGLabel *l1 = gen_new_label();
9398 TCGLabel *l2 = gen_new_label();
9399
9400 if (tf) {
9401 cond = TCG_COND_EQ;
9402 } else {
9403 cond = TCG_COND_NE;
9404 }
9405
9406 tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc));
9407 tcg_gen_brcondi_i32(cond, t0, 0, l1);
9408 gen_load_fpr32(ctx, t0, fs);
9409 gen_store_fpr32(ctx, t0, fd);
9410 gen_set_label(l1);
9411
9412 tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc + 1));
9413 tcg_gen_brcondi_i32(cond, t0, 0, l2);
9414 gen_load_fpr32h(ctx, t0, fs);
9415 gen_store_fpr32h(ctx, t0, fd);
9416 gen_set_label(l2);
9417 }
9418
gen_sel_s(DisasContext * ctx,enum fopcode op1,int fd,int ft,int fs)9419 static void gen_sel_s(DisasContext *ctx, enum fopcode op1, int fd, int ft,
9420 int fs)
9421 {
9422 TCGv_i32 t1 = tcg_constant_i32(0);
9423 TCGv_i32 fp0 = tcg_temp_new_i32();
9424 TCGv_i32 fp1 = tcg_temp_new_i32();
9425 TCGv_i32 fp2 = tcg_temp_new_i32();
9426 gen_load_fpr32(ctx, fp0, fd);
9427 gen_load_fpr32(ctx, fp1, ft);
9428 gen_load_fpr32(ctx, fp2, fs);
9429
9430 switch (op1) {
9431 case OPC_SEL_S:
9432 tcg_gen_andi_i32(fp0, fp0, 1);
9433 tcg_gen_movcond_i32(TCG_COND_NE, fp0, fp0, t1, fp1, fp2);
9434 break;
9435 case OPC_SELEQZ_S:
9436 tcg_gen_andi_i32(fp1, fp1, 1);
9437 tcg_gen_movcond_i32(TCG_COND_EQ, fp0, fp1, t1, fp2, t1);
9438 break;
9439 case OPC_SELNEZ_S:
9440 tcg_gen_andi_i32(fp1, fp1, 1);
9441 tcg_gen_movcond_i32(TCG_COND_NE, fp0, fp1, t1, fp2, t1);
9442 break;
9443 default:
9444 MIPS_INVAL("gen_sel_s");
9445 gen_reserved_instruction(ctx);
9446 break;
9447 }
9448
9449 gen_store_fpr32(ctx, fp0, fd);
9450 }
9451
gen_sel_d(DisasContext * ctx,enum fopcode op1,int fd,int ft,int fs)9452 static void gen_sel_d(DisasContext *ctx, enum fopcode op1, int fd, int ft,
9453 int fs)
9454 {
9455 TCGv_i64 t1 = tcg_constant_i64(0);
9456 TCGv_i64 fp0 = tcg_temp_new_i64();
9457 TCGv_i64 fp1 = tcg_temp_new_i64();
9458 TCGv_i64 fp2 = tcg_temp_new_i64();
9459 gen_load_fpr64(ctx, fp0, fd);
9460 gen_load_fpr64(ctx, fp1, ft);
9461 gen_load_fpr64(ctx, fp2, fs);
9462
9463 switch (op1) {
9464 case OPC_SEL_D:
9465 tcg_gen_andi_i64(fp0, fp0, 1);
9466 tcg_gen_movcond_i64(TCG_COND_NE, fp0, fp0, t1, fp1, fp2);
9467 break;
9468 case OPC_SELEQZ_D:
9469 tcg_gen_andi_i64(fp1, fp1, 1);
9470 tcg_gen_movcond_i64(TCG_COND_EQ, fp0, fp1, t1, fp2, t1);
9471 break;
9472 case OPC_SELNEZ_D:
9473 tcg_gen_andi_i64(fp1, fp1, 1);
9474 tcg_gen_movcond_i64(TCG_COND_NE, fp0, fp1, t1, fp2, t1);
9475 break;
9476 default:
9477 MIPS_INVAL("gen_sel_d");
9478 gen_reserved_instruction(ctx);
9479 break;
9480 }
9481
9482 gen_store_fpr64(ctx, fp0, fd);
9483 }
9484
gen_farith(DisasContext * ctx,enum fopcode op1,int ft,int fs,int fd,int cc)9485 static void gen_farith(DisasContext *ctx, enum fopcode op1,
9486 int ft, int fs, int fd, int cc)
9487 {
9488 uint32_t func = ctx->opcode & 0x3f;
9489 switch (op1) {
9490 case OPC_ADD_S:
9491 {
9492 TCGv_i32 fp0 = tcg_temp_new_i32();
9493 TCGv_i32 fp1 = tcg_temp_new_i32();
9494
9495 gen_load_fpr32(ctx, fp0, fs);
9496 gen_load_fpr32(ctx, fp1, ft);
9497 gen_helper_float_add_s(fp0, tcg_env, fp0, fp1);
9498 gen_store_fpr32(ctx, fp0, fd);
9499 }
9500 break;
9501 case OPC_SUB_S:
9502 {
9503 TCGv_i32 fp0 = tcg_temp_new_i32();
9504 TCGv_i32 fp1 = tcg_temp_new_i32();
9505
9506 gen_load_fpr32(ctx, fp0, fs);
9507 gen_load_fpr32(ctx, fp1, ft);
9508 gen_helper_float_sub_s(fp0, tcg_env, fp0, fp1);
9509 gen_store_fpr32(ctx, fp0, fd);
9510 }
9511 break;
9512 case OPC_MUL_S:
9513 {
9514 TCGv_i32 fp0 = tcg_temp_new_i32();
9515 TCGv_i32 fp1 = tcg_temp_new_i32();
9516
9517 gen_load_fpr32(ctx, fp0, fs);
9518 gen_load_fpr32(ctx, fp1, ft);
9519 gen_helper_float_mul_s(fp0, tcg_env, fp0, fp1);
9520 gen_store_fpr32(ctx, fp0, fd);
9521 }
9522 break;
9523 case OPC_DIV_S:
9524 {
9525 TCGv_i32 fp0 = tcg_temp_new_i32();
9526 TCGv_i32 fp1 = tcg_temp_new_i32();
9527
9528 gen_load_fpr32(ctx, fp0, fs);
9529 gen_load_fpr32(ctx, fp1, ft);
9530 gen_helper_float_div_s(fp0, tcg_env, fp0, fp1);
9531 gen_store_fpr32(ctx, fp0, fd);
9532 }
9533 break;
9534 case OPC_SQRT_S:
9535 {
9536 TCGv_i32 fp0 = tcg_temp_new_i32();
9537
9538 gen_load_fpr32(ctx, fp0, fs);
9539 gen_helper_float_sqrt_s(fp0, tcg_env, fp0);
9540 gen_store_fpr32(ctx, fp0, fd);
9541 }
9542 break;
9543 case OPC_ABS_S:
9544 {
9545 TCGv_i32 fp0 = tcg_temp_new_i32();
9546
9547 gen_load_fpr32(ctx, fp0, fs);
9548 if (ctx->abs2008) {
9549 tcg_gen_andi_i32(fp0, fp0, 0x7fffffffUL);
9550 } else {
9551 gen_helper_float_abs_s(fp0, fp0);
9552 }
9553 gen_store_fpr32(ctx, fp0, fd);
9554 }
9555 break;
9556 case OPC_MOV_S:
9557 {
9558 TCGv_i32 fp0 = tcg_temp_new_i32();
9559
9560 gen_load_fpr32(ctx, fp0, fs);
9561 gen_store_fpr32(ctx, fp0, fd);
9562 }
9563 break;
9564 case OPC_NEG_S:
9565 {
9566 TCGv_i32 fp0 = tcg_temp_new_i32();
9567
9568 gen_load_fpr32(ctx, fp0, fs);
9569 if (ctx->abs2008) {
9570 tcg_gen_xori_i32(fp0, fp0, 1UL << 31);
9571 } else {
9572 gen_helper_float_chs_s(fp0, fp0);
9573 }
9574 gen_store_fpr32(ctx, fp0, fd);
9575 }
9576 break;
9577 case OPC_ROUND_L_S:
9578 check_cp1_64bitmode(ctx);
9579 {
9580 TCGv_i32 fp32 = tcg_temp_new_i32();
9581 TCGv_i64 fp64 = tcg_temp_new_i64();
9582
9583 gen_load_fpr32(ctx, fp32, fs);
9584 if (ctx->nan2008) {
9585 gen_helper_float_round_2008_l_s(fp64, tcg_env, fp32);
9586 } else {
9587 gen_helper_float_round_l_s(fp64, tcg_env, fp32);
9588 }
9589 gen_store_fpr64(ctx, fp64, fd);
9590 }
9591 break;
9592 case OPC_TRUNC_L_S:
9593 check_cp1_64bitmode(ctx);
9594 {
9595 TCGv_i32 fp32 = tcg_temp_new_i32();
9596 TCGv_i64 fp64 = tcg_temp_new_i64();
9597
9598 gen_load_fpr32(ctx, fp32, fs);
9599 if (ctx->nan2008) {
9600 gen_helper_float_trunc_2008_l_s(fp64, tcg_env, fp32);
9601 } else {
9602 gen_helper_float_trunc_l_s(fp64, tcg_env, fp32);
9603 }
9604 gen_store_fpr64(ctx, fp64, fd);
9605 }
9606 break;
9607 case OPC_CEIL_L_S:
9608 check_cp1_64bitmode(ctx);
9609 {
9610 TCGv_i32 fp32 = tcg_temp_new_i32();
9611 TCGv_i64 fp64 = tcg_temp_new_i64();
9612
9613 gen_load_fpr32(ctx, fp32, fs);
9614 if (ctx->nan2008) {
9615 gen_helper_float_ceil_2008_l_s(fp64, tcg_env, fp32);
9616 } else {
9617 gen_helper_float_ceil_l_s(fp64, tcg_env, fp32);
9618 }
9619 gen_store_fpr64(ctx, fp64, fd);
9620 }
9621 break;
9622 case OPC_FLOOR_L_S:
9623 check_cp1_64bitmode(ctx);
9624 {
9625 TCGv_i32 fp32 = tcg_temp_new_i32();
9626 TCGv_i64 fp64 = tcg_temp_new_i64();
9627
9628 gen_load_fpr32(ctx, fp32, fs);
9629 if (ctx->nan2008) {
9630 gen_helper_float_floor_2008_l_s(fp64, tcg_env, fp32);
9631 } else {
9632 gen_helper_float_floor_l_s(fp64, tcg_env, fp32);
9633 }
9634 gen_store_fpr64(ctx, fp64, fd);
9635 }
9636 break;
9637 case OPC_ROUND_W_S:
9638 {
9639 TCGv_i32 fp0 = tcg_temp_new_i32();
9640
9641 gen_load_fpr32(ctx, fp0, fs);
9642 if (ctx->nan2008) {
9643 gen_helper_float_round_2008_w_s(fp0, tcg_env, fp0);
9644 } else {
9645 gen_helper_float_round_w_s(fp0, tcg_env, fp0);
9646 }
9647 gen_store_fpr32(ctx, fp0, fd);
9648 }
9649 break;
9650 case OPC_TRUNC_W_S:
9651 {
9652 TCGv_i32 fp0 = tcg_temp_new_i32();
9653
9654 gen_load_fpr32(ctx, fp0, fs);
9655 if (ctx->nan2008) {
9656 gen_helper_float_trunc_2008_w_s(fp0, tcg_env, fp0);
9657 } else {
9658 gen_helper_float_trunc_w_s(fp0, tcg_env, fp0);
9659 }
9660 gen_store_fpr32(ctx, fp0, fd);
9661 }
9662 break;
9663 case OPC_CEIL_W_S:
9664 {
9665 TCGv_i32 fp0 = tcg_temp_new_i32();
9666
9667 gen_load_fpr32(ctx, fp0, fs);
9668 if (ctx->nan2008) {
9669 gen_helper_float_ceil_2008_w_s(fp0, tcg_env, fp0);
9670 } else {
9671 gen_helper_float_ceil_w_s(fp0, tcg_env, fp0);
9672 }
9673 gen_store_fpr32(ctx, fp0, fd);
9674 }
9675 break;
9676 case OPC_FLOOR_W_S:
9677 {
9678 TCGv_i32 fp0 = tcg_temp_new_i32();
9679
9680 gen_load_fpr32(ctx, fp0, fs);
9681 if (ctx->nan2008) {
9682 gen_helper_float_floor_2008_w_s(fp0, tcg_env, fp0);
9683 } else {
9684 gen_helper_float_floor_w_s(fp0, tcg_env, fp0);
9685 }
9686 gen_store_fpr32(ctx, fp0, fd);
9687 }
9688 break;
9689 case OPC_SEL_S:
9690 check_insn(ctx, ISA_MIPS_R6);
9691 gen_sel_s(ctx, op1, fd, ft, fs);
9692 break;
9693 case OPC_SELEQZ_S:
9694 check_insn(ctx, ISA_MIPS_R6);
9695 gen_sel_s(ctx, op1, fd, ft, fs);
9696 break;
9697 case OPC_SELNEZ_S:
9698 check_insn(ctx, ISA_MIPS_R6);
9699 gen_sel_s(ctx, op1, fd, ft, fs);
9700 break;
9701 case OPC_MOVCF_S:
9702 check_insn_opc_removed(ctx, ISA_MIPS_R6);
9703 gen_movcf_s(ctx, fs, fd, (ft >> 2) & 0x7, ft & 0x1);
9704 break;
9705 case OPC_MOVZ_S:
9706 check_insn_opc_removed(ctx, ISA_MIPS_R6);
9707 {
9708 TCGLabel *l1 = gen_new_label();
9709 TCGv_i32 fp0;
9710
9711 if (ft != 0) {
9712 tcg_gen_brcondi_tl(TCG_COND_NE, cpu_gpr[ft], 0, l1);
9713 }
9714 fp0 = tcg_temp_new_i32();
9715 gen_load_fpr32(ctx, fp0, fs);
9716 gen_store_fpr32(ctx, fp0, fd);
9717 gen_set_label(l1);
9718 }
9719 break;
9720 case OPC_MOVN_S:
9721 check_insn_opc_removed(ctx, ISA_MIPS_R6);
9722 {
9723 TCGLabel *l1 = gen_new_label();
9724 TCGv_i32 fp0;
9725
9726 if (ft != 0) {
9727 tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[ft], 0, l1);
9728 fp0 = tcg_temp_new_i32();
9729 gen_load_fpr32(ctx, fp0, fs);
9730 gen_store_fpr32(ctx, fp0, fd);
9731 gen_set_label(l1);
9732 }
9733 }
9734 break;
9735 case OPC_RECIP_S:
9736 {
9737 TCGv_i32 fp0 = tcg_temp_new_i32();
9738
9739 gen_load_fpr32(ctx, fp0, fs);
9740 gen_helper_float_recip_s(fp0, tcg_env, fp0);
9741 gen_store_fpr32(ctx, fp0, fd);
9742 }
9743 break;
9744 case OPC_RSQRT_S:
9745 {
9746 TCGv_i32 fp0 = tcg_temp_new_i32();
9747
9748 gen_load_fpr32(ctx, fp0, fs);
9749 gen_helper_float_rsqrt_s(fp0, tcg_env, fp0);
9750 gen_store_fpr32(ctx, fp0, fd);
9751 }
9752 break;
9753 case OPC_MADDF_S:
9754 check_insn(ctx, ISA_MIPS_R6);
9755 {
9756 TCGv_i32 fp0 = tcg_temp_new_i32();
9757 TCGv_i32 fp1 = tcg_temp_new_i32();
9758 TCGv_i32 fp2 = tcg_temp_new_i32();
9759 gen_load_fpr32(ctx, fp0, fs);
9760 gen_load_fpr32(ctx, fp1, ft);
9761 gen_load_fpr32(ctx, fp2, fd);
9762 gen_helper_float_maddf_s(fp2, tcg_env, fp0, fp1, fp2);
9763 gen_store_fpr32(ctx, fp2, fd);
9764 }
9765 break;
9766 case OPC_MSUBF_S:
9767 check_insn(ctx, ISA_MIPS_R6);
9768 {
9769 TCGv_i32 fp0 = tcg_temp_new_i32();
9770 TCGv_i32 fp1 = tcg_temp_new_i32();
9771 TCGv_i32 fp2 = tcg_temp_new_i32();
9772 gen_load_fpr32(ctx, fp0, fs);
9773 gen_load_fpr32(ctx, fp1, ft);
9774 gen_load_fpr32(ctx, fp2, fd);
9775 gen_helper_float_msubf_s(fp2, tcg_env, fp0, fp1, fp2);
9776 gen_store_fpr32(ctx, fp2, fd);
9777 }
9778 break;
9779 case OPC_RINT_S:
9780 check_insn(ctx, ISA_MIPS_R6);
9781 {
9782 TCGv_i32 fp0 = tcg_temp_new_i32();
9783 gen_load_fpr32(ctx, fp0, fs);
9784 gen_helper_float_rint_s(fp0, tcg_env, fp0);
9785 gen_store_fpr32(ctx, fp0, fd);
9786 }
9787 break;
9788 case OPC_CLASS_S:
9789 check_insn(ctx, ISA_MIPS_R6);
9790 {
9791 TCGv_i32 fp0 = tcg_temp_new_i32();
9792 gen_load_fpr32(ctx, fp0, fs);
9793 gen_helper_float_class_s(fp0, tcg_env, fp0);
9794 gen_store_fpr32(ctx, fp0, fd);
9795 }
9796 break;
9797 case OPC_MIN_S: /* OPC_RECIP2_S */
9798 if (ctx->insn_flags & ISA_MIPS_R6) {
9799 /* OPC_MIN_S */
9800 TCGv_i32 fp0 = tcg_temp_new_i32();
9801 TCGv_i32 fp1 = tcg_temp_new_i32();
9802 TCGv_i32 fp2 = tcg_temp_new_i32();
9803 gen_load_fpr32(ctx, fp0, fs);
9804 gen_load_fpr32(ctx, fp1, ft);
9805 gen_helper_float_min_s(fp2, tcg_env, fp0, fp1);
9806 gen_store_fpr32(ctx, fp2, fd);
9807 } else {
9808 /* OPC_RECIP2_S */
9809 check_cp1_64bitmode(ctx);
9810 {
9811 TCGv_i32 fp0 = tcg_temp_new_i32();
9812 TCGv_i32 fp1 = tcg_temp_new_i32();
9813
9814 gen_load_fpr32(ctx, fp0, fs);
9815 gen_load_fpr32(ctx, fp1, ft);
9816 gen_helper_float_recip2_s(fp0, tcg_env, fp0, fp1);
9817 gen_store_fpr32(ctx, fp0, fd);
9818 }
9819 }
9820 break;
9821 case OPC_MINA_S: /* OPC_RECIP1_S */
9822 if (ctx->insn_flags & ISA_MIPS_R6) {
9823 /* OPC_MINA_S */
9824 TCGv_i32 fp0 = tcg_temp_new_i32();
9825 TCGv_i32 fp1 = tcg_temp_new_i32();
9826 TCGv_i32 fp2 = tcg_temp_new_i32();
9827 gen_load_fpr32(ctx, fp0, fs);
9828 gen_load_fpr32(ctx, fp1, ft);
9829 gen_helper_float_mina_s(fp2, tcg_env, fp0, fp1);
9830 gen_store_fpr32(ctx, fp2, fd);
9831 } else {
9832 /* OPC_RECIP1_S */
9833 check_cp1_64bitmode(ctx);
9834 {
9835 TCGv_i32 fp0 = tcg_temp_new_i32();
9836
9837 gen_load_fpr32(ctx, fp0, fs);
9838 gen_helper_float_recip1_s(fp0, tcg_env, fp0);
9839 gen_store_fpr32(ctx, fp0, fd);
9840 }
9841 }
9842 break;
9843 case OPC_MAX_S: /* OPC_RSQRT1_S */
9844 if (ctx->insn_flags & ISA_MIPS_R6) {
9845 /* OPC_MAX_S */
9846 TCGv_i32 fp0 = tcg_temp_new_i32();
9847 TCGv_i32 fp1 = tcg_temp_new_i32();
9848 gen_load_fpr32(ctx, fp0, fs);
9849 gen_load_fpr32(ctx, fp1, ft);
9850 gen_helper_float_max_s(fp1, tcg_env, fp0, fp1);
9851 gen_store_fpr32(ctx, fp1, fd);
9852 } else {
9853 /* OPC_RSQRT1_S */
9854 check_cp1_64bitmode(ctx);
9855 {
9856 TCGv_i32 fp0 = tcg_temp_new_i32();
9857
9858 gen_load_fpr32(ctx, fp0, fs);
9859 gen_helper_float_rsqrt1_s(fp0, tcg_env, fp0);
9860 gen_store_fpr32(ctx, fp0, fd);
9861 }
9862 }
9863 break;
9864 case OPC_MAXA_S: /* OPC_RSQRT2_S */
9865 if (ctx->insn_flags & ISA_MIPS_R6) {
9866 /* OPC_MAXA_S */
9867 TCGv_i32 fp0 = tcg_temp_new_i32();
9868 TCGv_i32 fp1 = tcg_temp_new_i32();
9869 gen_load_fpr32(ctx, fp0, fs);
9870 gen_load_fpr32(ctx, fp1, ft);
9871 gen_helper_float_maxa_s(fp1, tcg_env, fp0, fp1);
9872 gen_store_fpr32(ctx, fp1, fd);
9873 } else {
9874 /* OPC_RSQRT2_S */
9875 check_cp1_64bitmode(ctx);
9876 {
9877 TCGv_i32 fp0 = tcg_temp_new_i32();
9878 TCGv_i32 fp1 = tcg_temp_new_i32();
9879
9880 gen_load_fpr32(ctx, fp0, fs);
9881 gen_load_fpr32(ctx, fp1, ft);
9882 gen_helper_float_rsqrt2_s(fp0, tcg_env, fp0, fp1);
9883 gen_store_fpr32(ctx, fp0, fd);
9884 }
9885 }
9886 break;
9887 case OPC_CVT_D_S:
9888 check_cp1_registers(ctx, fd);
9889 {
9890 TCGv_i32 fp32 = tcg_temp_new_i32();
9891 TCGv_i64 fp64 = tcg_temp_new_i64();
9892
9893 gen_load_fpr32(ctx, fp32, fs);
9894 gen_helper_float_cvtd_s(fp64, tcg_env, fp32);
9895 gen_store_fpr64(ctx, fp64, fd);
9896 }
9897 break;
9898 case OPC_CVT_W_S:
9899 {
9900 TCGv_i32 fp0 = tcg_temp_new_i32();
9901
9902 gen_load_fpr32(ctx, fp0, fs);
9903 if (ctx->nan2008) {
9904 gen_helper_float_cvt_2008_w_s(fp0, tcg_env, fp0);
9905 } else {
9906 gen_helper_float_cvt_w_s(fp0, tcg_env, fp0);
9907 }
9908 gen_store_fpr32(ctx, fp0, fd);
9909 }
9910 break;
9911 case OPC_CVT_L_S:
9912 check_cp1_64bitmode(ctx);
9913 {
9914 TCGv_i32 fp32 = tcg_temp_new_i32();
9915 TCGv_i64 fp64 = tcg_temp_new_i64();
9916
9917 gen_load_fpr32(ctx, fp32, fs);
9918 if (ctx->nan2008) {
9919 gen_helper_float_cvt_2008_l_s(fp64, tcg_env, fp32);
9920 } else {
9921 gen_helper_float_cvt_l_s(fp64, tcg_env, fp32);
9922 }
9923 gen_store_fpr64(ctx, fp64, fd);
9924 }
9925 break;
9926 case OPC_CVT_PS_S:
9927 check_ps(ctx);
9928 {
9929 TCGv_i64 fp64 = tcg_temp_new_i64();
9930 TCGv_i32 fp32_0 = tcg_temp_new_i32();
9931 TCGv_i32 fp32_1 = tcg_temp_new_i32();
9932
9933 gen_load_fpr32(ctx, fp32_0, fs);
9934 gen_load_fpr32(ctx, fp32_1, ft);
9935 tcg_gen_concat_i32_i64(fp64, fp32_1, fp32_0);
9936 gen_store_fpr64(ctx, fp64, fd);
9937 }
9938 break;
9939 case OPC_CMP_F_S:
9940 case OPC_CMP_UN_S:
9941 case OPC_CMP_EQ_S:
9942 case OPC_CMP_UEQ_S:
9943 case OPC_CMP_OLT_S:
9944 case OPC_CMP_ULT_S:
9945 case OPC_CMP_OLE_S:
9946 case OPC_CMP_ULE_S:
9947 case OPC_CMP_SF_S:
9948 case OPC_CMP_NGLE_S:
9949 case OPC_CMP_SEQ_S:
9950 case OPC_CMP_NGL_S:
9951 case OPC_CMP_LT_S:
9952 case OPC_CMP_NGE_S:
9953 case OPC_CMP_LE_S:
9954 case OPC_CMP_NGT_S:
9955 check_insn_opc_removed(ctx, ISA_MIPS_R6);
9956 if (ctx->opcode & (1 << 6)) {
9957 gen_cmpabs_s(ctx, func - 48, ft, fs, cc);
9958 } else {
9959 gen_cmp_s(ctx, func - 48, ft, fs, cc);
9960 }
9961 break;
9962 case OPC_ADD_D:
9963 check_cp1_registers(ctx, fs | ft | fd);
9964 {
9965 TCGv_i64 fp0 = tcg_temp_new_i64();
9966 TCGv_i64 fp1 = tcg_temp_new_i64();
9967
9968 gen_load_fpr64(ctx, fp0, fs);
9969 gen_load_fpr64(ctx, fp1, ft);
9970 gen_helper_float_add_d(fp0, tcg_env, fp0, fp1);
9971 gen_store_fpr64(ctx, fp0, fd);
9972 }
9973 break;
9974 case OPC_SUB_D:
9975 check_cp1_registers(ctx, fs | ft | fd);
9976 {
9977 TCGv_i64 fp0 = tcg_temp_new_i64();
9978 TCGv_i64 fp1 = tcg_temp_new_i64();
9979
9980 gen_load_fpr64(ctx, fp0, fs);
9981 gen_load_fpr64(ctx, fp1, ft);
9982 gen_helper_float_sub_d(fp0, tcg_env, fp0, fp1);
9983 gen_store_fpr64(ctx, fp0, fd);
9984 }
9985 break;
9986 case OPC_MUL_D:
9987 check_cp1_registers(ctx, fs | ft | fd);
9988 {
9989 TCGv_i64 fp0 = tcg_temp_new_i64();
9990 TCGv_i64 fp1 = tcg_temp_new_i64();
9991
9992 gen_load_fpr64(ctx, fp0, fs);
9993 gen_load_fpr64(ctx, fp1, ft);
9994 gen_helper_float_mul_d(fp0, tcg_env, fp0, fp1);
9995 gen_store_fpr64(ctx, fp0, fd);
9996 }
9997 break;
9998 case OPC_DIV_D:
9999 check_cp1_registers(ctx, fs | ft | fd);
10000 {
10001 TCGv_i64 fp0 = tcg_temp_new_i64();
10002 TCGv_i64 fp1 = tcg_temp_new_i64();
10003
10004 gen_load_fpr64(ctx, fp0, fs);
10005 gen_load_fpr64(ctx, fp1, ft);
10006 gen_helper_float_div_d(fp0, tcg_env, fp0, fp1);
10007 gen_store_fpr64(ctx, fp0, fd);
10008 }
10009 break;
10010 case OPC_SQRT_D:
10011 check_cp1_registers(ctx, fs | fd);
10012 {
10013 TCGv_i64 fp0 = tcg_temp_new_i64();
10014
10015 gen_load_fpr64(ctx, fp0, fs);
10016 gen_helper_float_sqrt_d(fp0, tcg_env, fp0);
10017 gen_store_fpr64(ctx, fp0, fd);
10018 }
10019 break;
10020 case OPC_ABS_D:
10021 check_cp1_registers(ctx, fs | fd);
10022 {
10023 TCGv_i64 fp0 = tcg_temp_new_i64();
10024
10025 gen_load_fpr64(ctx, fp0, fs);
10026 if (ctx->abs2008) {
10027 tcg_gen_andi_i64(fp0, fp0, 0x7fffffffffffffffULL);
10028 } else {
10029 gen_helper_float_abs_d(fp0, fp0);
10030 }
10031 gen_store_fpr64(ctx, fp0, fd);
10032 }
10033 break;
10034 case OPC_MOV_D:
10035 check_cp1_registers(ctx, fs | fd);
10036 {
10037 TCGv_i64 fp0 = tcg_temp_new_i64();
10038
10039 gen_load_fpr64(ctx, fp0, fs);
10040 gen_store_fpr64(ctx, fp0, fd);
10041 }
10042 break;
10043 case OPC_NEG_D:
10044 check_cp1_registers(ctx, fs | fd);
10045 {
10046 TCGv_i64 fp0 = tcg_temp_new_i64();
10047
10048 gen_load_fpr64(ctx, fp0, fs);
10049 if (ctx->abs2008) {
10050 tcg_gen_xori_i64(fp0, fp0, 1ULL << 63);
10051 } else {
10052 gen_helper_float_chs_d(fp0, fp0);
10053 }
10054 gen_store_fpr64(ctx, fp0, fd);
10055 }
10056 break;
10057 case OPC_ROUND_L_D:
10058 check_cp1_64bitmode(ctx);
10059 {
10060 TCGv_i64 fp0 = tcg_temp_new_i64();
10061
10062 gen_load_fpr64(ctx, fp0, fs);
10063 if (ctx->nan2008) {
10064 gen_helper_float_round_2008_l_d(fp0, tcg_env, fp0);
10065 } else {
10066 gen_helper_float_round_l_d(fp0, tcg_env, fp0);
10067 }
10068 gen_store_fpr64(ctx, fp0, fd);
10069 }
10070 break;
10071 case OPC_TRUNC_L_D:
10072 check_cp1_64bitmode(ctx);
10073 {
10074 TCGv_i64 fp0 = tcg_temp_new_i64();
10075
10076 gen_load_fpr64(ctx, fp0, fs);
10077 if (ctx->nan2008) {
10078 gen_helper_float_trunc_2008_l_d(fp0, tcg_env, fp0);
10079 } else {
10080 gen_helper_float_trunc_l_d(fp0, tcg_env, fp0);
10081 }
10082 gen_store_fpr64(ctx, fp0, fd);
10083 }
10084 break;
10085 case OPC_CEIL_L_D:
10086 check_cp1_64bitmode(ctx);
10087 {
10088 TCGv_i64 fp0 = tcg_temp_new_i64();
10089
10090 gen_load_fpr64(ctx, fp0, fs);
10091 if (ctx->nan2008) {
10092 gen_helper_float_ceil_2008_l_d(fp0, tcg_env, fp0);
10093 } else {
10094 gen_helper_float_ceil_l_d(fp0, tcg_env, fp0);
10095 }
10096 gen_store_fpr64(ctx, fp0, fd);
10097 }
10098 break;
10099 case OPC_FLOOR_L_D:
10100 check_cp1_64bitmode(ctx);
10101 {
10102 TCGv_i64 fp0 = tcg_temp_new_i64();
10103
10104 gen_load_fpr64(ctx, fp0, fs);
10105 if (ctx->nan2008) {
10106 gen_helper_float_floor_2008_l_d(fp0, tcg_env, fp0);
10107 } else {
10108 gen_helper_float_floor_l_d(fp0, tcg_env, fp0);
10109 }
10110 gen_store_fpr64(ctx, fp0, fd);
10111 }
10112 break;
10113 case OPC_ROUND_W_D:
10114 check_cp1_registers(ctx, fs);
10115 {
10116 TCGv_i32 fp32 = tcg_temp_new_i32();
10117 TCGv_i64 fp64 = tcg_temp_new_i64();
10118
10119 gen_load_fpr64(ctx, fp64, fs);
10120 if (ctx->nan2008) {
10121 gen_helper_float_round_2008_w_d(fp32, tcg_env, fp64);
10122 } else {
10123 gen_helper_float_round_w_d(fp32, tcg_env, fp64);
10124 }
10125 gen_store_fpr32(ctx, fp32, fd);
10126 }
10127 break;
10128 case OPC_TRUNC_W_D:
10129 check_cp1_registers(ctx, fs);
10130 {
10131 TCGv_i32 fp32 = tcg_temp_new_i32();
10132 TCGv_i64 fp64 = tcg_temp_new_i64();
10133
10134 gen_load_fpr64(ctx, fp64, fs);
10135 if (ctx->nan2008) {
10136 gen_helper_float_trunc_2008_w_d(fp32, tcg_env, fp64);
10137 } else {
10138 gen_helper_float_trunc_w_d(fp32, tcg_env, fp64);
10139 }
10140 gen_store_fpr32(ctx, fp32, fd);
10141 }
10142 break;
10143 case OPC_CEIL_W_D:
10144 check_cp1_registers(ctx, fs);
10145 {
10146 TCGv_i32 fp32 = tcg_temp_new_i32();
10147 TCGv_i64 fp64 = tcg_temp_new_i64();
10148
10149 gen_load_fpr64(ctx, fp64, fs);
10150 if (ctx->nan2008) {
10151 gen_helper_float_ceil_2008_w_d(fp32, tcg_env, fp64);
10152 } else {
10153 gen_helper_float_ceil_w_d(fp32, tcg_env, fp64);
10154 }
10155 gen_store_fpr32(ctx, fp32, fd);
10156 }
10157 break;
10158 case OPC_FLOOR_W_D:
10159 check_cp1_registers(ctx, fs);
10160 {
10161 TCGv_i32 fp32 = tcg_temp_new_i32();
10162 TCGv_i64 fp64 = tcg_temp_new_i64();
10163
10164 gen_load_fpr64(ctx, fp64, fs);
10165 if (ctx->nan2008) {
10166 gen_helper_float_floor_2008_w_d(fp32, tcg_env, fp64);
10167 } else {
10168 gen_helper_float_floor_w_d(fp32, tcg_env, fp64);
10169 }
10170 gen_store_fpr32(ctx, fp32, fd);
10171 }
10172 break;
10173 case OPC_SEL_D:
10174 check_insn(ctx, ISA_MIPS_R6);
10175 gen_sel_d(ctx, op1, fd, ft, fs);
10176 break;
10177 case OPC_SELEQZ_D:
10178 check_insn(ctx, ISA_MIPS_R6);
10179 gen_sel_d(ctx, op1, fd, ft, fs);
10180 break;
10181 case OPC_SELNEZ_D:
10182 check_insn(ctx, ISA_MIPS_R6);
10183 gen_sel_d(ctx, op1, fd, ft, fs);
10184 break;
10185 case OPC_MOVCF_D:
10186 check_insn_opc_removed(ctx, ISA_MIPS_R6);
10187 gen_movcf_d(ctx, fs, fd, (ft >> 2) & 0x7, ft & 0x1);
10188 break;
10189 case OPC_MOVZ_D:
10190 check_insn_opc_removed(ctx, ISA_MIPS_R6);
10191 {
10192 TCGLabel *l1 = gen_new_label();
10193 TCGv_i64 fp0;
10194
10195 if (ft != 0) {
10196 tcg_gen_brcondi_tl(TCG_COND_NE, cpu_gpr[ft], 0, l1);
10197 }
10198 fp0 = tcg_temp_new_i64();
10199 gen_load_fpr64(ctx, fp0, fs);
10200 gen_store_fpr64(ctx, fp0, fd);
10201 gen_set_label(l1);
10202 }
10203 break;
10204 case OPC_MOVN_D:
10205 check_insn_opc_removed(ctx, ISA_MIPS_R6);
10206 {
10207 TCGLabel *l1 = gen_new_label();
10208 TCGv_i64 fp0;
10209
10210 if (ft != 0) {
10211 tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[ft], 0, l1);
10212 fp0 = tcg_temp_new_i64();
10213 gen_load_fpr64(ctx, fp0, fs);
10214 gen_store_fpr64(ctx, fp0, fd);
10215 gen_set_label(l1);
10216 }
10217 }
10218 break;
10219 case OPC_RECIP_D:
10220 check_cp1_registers(ctx, fs | fd);
10221 {
10222 TCGv_i64 fp0 = tcg_temp_new_i64();
10223
10224 gen_load_fpr64(ctx, fp0, fs);
10225 gen_helper_float_recip_d(fp0, tcg_env, fp0);
10226 gen_store_fpr64(ctx, fp0, fd);
10227 }
10228 break;
10229 case OPC_RSQRT_D:
10230 check_cp1_registers(ctx, fs | fd);
10231 {
10232 TCGv_i64 fp0 = tcg_temp_new_i64();
10233
10234 gen_load_fpr64(ctx, fp0, fs);
10235 gen_helper_float_rsqrt_d(fp0, tcg_env, fp0);
10236 gen_store_fpr64(ctx, fp0, fd);
10237 }
10238 break;
10239 case OPC_MADDF_D:
10240 check_insn(ctx, ISA_MIPS_R6);
10241 {
10242 TCGv_i64 fp0 = tcg_temp_new_i64();
10243 TCGv_i64 fp1 = tcg_temp_new_i64();
10244 TCGv_i64 fp2 = tcg_temp_new_i64();
10245 gen_load_fpr64(ctx, fp0, fs);
10246 gen_load_fpr64(ctx, fp1, ft);
10247 gen_load_fpr64(ctx, fp2, fd);
10248 gen_helper_float_maddf_d(fp2, tcg_env, fp0, fp1, fp2);
10249 gen_store_fpr64(ctx, fp2, fd);
10250 }
10251 break;
10252 case OPC_MSUBF_D:
10253 check_insn(ctx, ISA_MIPS_R6);
10254 {
10255 TCGv_i64 fp0 = tcg_temp_new_i64();
10256 TCGv_i64 fp1 = tcg_temp_new_i64();
10257 TCGv_i64 fp2 = tcg_temp_new_i64();
10258 gen_load_fpr64(ctx, fp0, fs);
10259 gen_load_fpr64(ctx, fp1, ft);
10260 gen_load_fpr64(ctx, fp2, fd);
10261 gen_helper_float_msubf_d(fp2, tcg_env, fp0, fp1, fp2);
10262 gen_store_fpr64(ctx, fp2, fd);
10263 }
10264 break;
10265 case OPC_RINT_D:
10266 check_insn(ctx, ISA_MIPS_R6);
10267 {
10268 TCGv_i64 fp0 = tcg_temp_new_i64();
10269 gen_load_fpr64(ctx, fp0, fs);
10270 gen_helper_float_rint_d(fp0, tcg_env, fp0);
10271 gen_store_fpr64(ctx, fp0, fd);
10272 }
10273 break;
10274 case OPC_CLASS_D:
10275 check_insn(ctx, ISA_MIPS_R6);
10276 {
10277 TCGv_i64 fp0 = tcg_temp_new_i64();
10278 gen_load_fpr64(ctx, fp0, fs);
10279 gen_helper_float_class_d(fp0, tcg_env, fp0);
10280 gen_store_fpr64(ctx, fp0, fd);
10281 }
10282 break;
10283 case OPC_MIN_D: /* OPC_RECIP2_D */
10284 if (ctx->insn_flags & ISA_MIPS_R6) {
10285 /* OPC_MIN_D */
10286 TCGv_i64 fp0 = tcg_temp_new_i64();
10287 TCGv_i64 fp1 = tcg_temp_new_i64();
10288 gen_load_fpr64(ctx, fp0, fs);
10289 gen_load_fpr64(ctx, fp1, ft);
10290 gen_helper_float_min_d(fp1, tcg_env, fp0, fp1);
10291 gen_store_fpr64(ctx, fp1, fd);
10292 } else {
10293 /* OPC_RECIP2_D */
10294 check_cp1_64bitmode(ctx);
10295 {
10296 TCGv_i64 fp0 = tcg_temp_new_i64();
10297 TCGv_i64 fp1 = tcg_temp_new_i64();
10298
10299 gen_load_fpr64(ctx, fp0, fs);
10300 gen_load_fpr64(ctx, fp1, ft);
10301 gen_helper_float_recip2_d(fp0, tcg_env, fp0, fp1);
10302 gen_store_fpr64(ctx, fp0, fd);
10303 }
10304 }
10305 break;
10306 case OPC_MINA_D: /* OPC_RECIP1_D */
10307 if (ctx->insn_flags & ISA_MIPS_R6) {
10308 /* OPC_MINA_D */
10309 TCGv_i64 fp0 = tcg_temp_new_i64();
10310 TCGv_i64 fp1 = tcg_temp_new_i64();
10311 gen_load_fpr64(ctx, fp0, fs);
10312 gen_load_fpr64(ctx, fp1, ft);
10313 gen_helper_float_mina_d(fp1, tcg_env, fp0, fp1);
10314 gen_store_fpr64(ctx, fp1, fd);
10315 } else {
10316 /* OPC_RECIP1_D */
10317 check_cp1_64bitmode(ctx);
10318 {
10319 TCGv_i64 fp0 = tcg_temp_new_i64();
10320
10321 gen_load_fpr64(ctx, fp0, fs);
10322 gen_helper_float_recip1_d(fp0, tcg_env, fp0);
10323 gen_store_fpr64(ctx, fp0, fd);
10324 }
10325 }
10326 break;
10327 case OPC_MAX_D: /* OPC_RSQRT1_D */
10328 if (ctx->insn_flags & ISA_MIPS_R6) {
10329 /* OPC_MAX_D */
10330 TCGv_i64 fp0 = tcg_temp_new_i64();
10331 TCGv_i64 fp1 = tcg_temp_new_i64();
10332 gen_load_fpr64(ctx, fp0, fs);
10333 gen_load_fpr64(ctx, fp1, ft);
10334 gen_helper_float_max_d(fp1, tcg_env, fp0, fp1);
10335 gen_store_fpr64(ctx, fp1, fd);
10336 } else {
10337 /* OPC_RSQRT1_D */
10338 check_cp1_64bitmode(ctx);
10339 {
10340 TCGv_i64 fp0 = tcg_temp_new_i64();
10341
10342 gen_load_fpr64(ctx, fp0, fs);
10343 gen_helper_float_rsqrt1_d(fp0, tcg_env, fp0);
10344 gen_store_fpr64(ctx, fp0, fd);
10345 }
10346 }
10347 break;
10348 case OPC_MAXA_D: /* OPC_RSQRT2_D */
10349 if (ctx->insn_flags & ISA_MIPS_R6) {
10350 /* OPC_MAXA_D */
10351 TCGv_i64 fp0 = tcg_temp_new_i64();
10352 TCGv_i64 fp1 = tcg_temp_new_i64();
10353 gen_load_fpr64(ctx, fp0, fs);
10354 gen_load_fpr64(ctx, fp1, ft);
10355 gen_helper_float_maxa_d(fp1, tcg_env, fp0, fp1);
10356 gen_store_fpr64(ctx, fp1, fd);
10357 } else {
10358 /* OPC_RSQRT2_D */
10359 check_cp1_64bitmode(ctx);
10360 {
10361 TCGv_i64 fp0 = tcg_temp_new_i64();
10362 TCGv_i64 fp1 = tcg_temp_new_i64();
10363
10364 gen_load_fpr64(ctx, fp0, fs);
10365 gen_load_fpr64(ctx, fp1, ft);
10366 gen_helper_float_rsqrt2_d(fp0, tcg_env, fp0, fp1);
10367 gen_store_fpr64(ctx, fp0, fd);
10368 }
10369 }
10370 break;
10371 case OPC_CMP_F_D:
10372 case OPC_CMP_UN_D:
10373 case OPC_CMP_EQ_D:
10374 case OPC_CMP_UEQ_D:
10375 case OPC_CMP_OLT_D:
10376 case OPC_CMP_ULT_D:
10377 case OPC_CMP_OLE_D:
10378 case OPC_CMP_ULE_D:
10379 case OPC_CMP_SF_D:
10380 case OPC_CMP_NGLE_D:
10381 case OPC_CMP_SEQ_D:
10382 case OPC_CMP_NGL_D:
10383 case OPC_CMP_LT_D:
10384 case OPC_CMP_NGE_D:
10385 case OPC_CMP_LE_D:
10386 case OPC_CMP_NGT_D:
10387 check_insn_opc_removed(ctx, ISA_MIPS_R6);
10388 if (ctx->opcode & (1 << 6)) {
10389 gen_cmpabs_d(ctx, func - 48, ft, fs, cc);
10390 } else {
10391 gen_cmp_d(ctx, func - 48, ft, fs, cc);
10392 }
10393 break;
10394 case OPC_CVT_S_D:
10395 check_cp1_registers(ctx, fs);
10396 {
10397 TCGv_i32 fp32 = tcg_temp_new_i32();
10398 TCGv_i64 fp64 = tcg_temp_new_i64();
10399
10400 gen_load_fpr64(ctx, fp64, fs);
10401 gen_helper_float_cvts_d(fp32, tcg_env, fp64);
10402 gen_store_fpr32(ctx, fp32, fd);
10403 }
10404 break;
10405 case OPC_CVT_W_D:
10406 check_cp1_registers(ctx, fs);
10407 {
10408 TCGv_i32 fp32 = tcg_temp_new_i32();
10409 TCGv_i64 fp64 = tcg_temp_new_i64();
10410
10411 gen_load_fpr64(ctx, fp64, fs);
10412 if (ctx->nan2008) {
10413 gen_helper_float_cvt_2008_w_d(fp32, tcg_env, fp64);
10414 } else {
10415 gen_helper_float_cvt_w_d(fp32, tcg_env, fp64);
10416 }
10417 gen_store_fpr32(ctx, fp32, fd);
10418 }
10419 break;
10420 case OPC_CVT_L_D:
10421 check_cp1_64bitmode(ctx);
10422 {
10423 TCGv_i64 fp0 = tcg_temp_new_i64();
10424
10425 gen_load_fpr64(ctx, fp0, fs);
10426 if (ctx->nan2008) {
10427 gen_helper_float_cvt_2008_l_d(fp0, tcg_env, fp0);
10428 } else {
10429 gen_helper_float_cvt_l_d(fp0, tcg_env, fp0);
10430 }
10431 gen_store_fpr64(ctx, fp0, fd);
10432 }
10433 break;
10434 case OPC_CVT_S_W:
10435 {
10436 TCGv_i32 fp0 = tcg_temp_new_i32();
10437
10438 gen_load_fpr32(ctx, fp0, fs);
10439 gen_helper_float_cvts_w(fp0, tcg_env, fp0);
10440 gen_store_fpr32(ctx, fp0, fd);
10441 }
10442 break;
10443 case OPC_CVT_D_W:
10444 check_cp1_registers(ctx, fd);
10445 {
10446 TCGv_i32 fp32 = tcg_temp_new_i32();
10447 TCGv_i64 fp64 = tcg_temp_new_i64();
10448
10449 gen_load_fpr32(ctx, fp32, fs);
10450 gen_helper_float_cvtd_w(fp64, tcg_env, fp32);
10451 gen_store_fpr64(ctx, fp64, fd);
10452 }
10453 break;
10454 case OPC_CVT_S_L:
10455 check_cp1_64bitmode(ctx);
10456 {
10457 TCGv_i32 fp32 = tcg_temp_new_i32();
10458 TCGv_i64 fp64 = tcg_temp_new_i64();
10459
10460 gen_load_fpr64(ctx, fp64, fs);
10461 gen_helper_float_cvts_l(fp32, tcg_env, fp64);
10462 gen_store_fpr32(ctx, fp32, fd);
10463 }
10464 break;
10465 case OPC_CVT_D_L:
10466 check_cp1_64bitmode(ctx);
10467 {
10468 TCGv_i64 fp0 = tcg_temp_new_i64();
10469
10470 gen_load_fpr64(ctx, fp0, fs);
10471 gen_helper_float_cvtd_l(fp0, tcg_env, fp0);
10472 gen_store_fpr64(ctx, fp0, fd);
10473 }
10474 break;
10475 case OPC_CVT_PS_PW:
10476 check_ps(ctx);
10477 {
10478 TCGv_i64 fp0 = tcg_temp_new_i64();
10479
10480 gen_load_fpr64(ctx, fp0, fs);
10481 gen_helper_float_cvtps_pw(fp0, tcg_env, fp0);
10482 gen_store_fpr64(ctx, fp0, fd);
10483 }
10484 break;
10485 case OPC_ADD_PS:
10486 check_ps(ctx);
10487 {
10488 TCGv_i64 fp0 = tcg_temp_new_i64();
10489 TCGv_i64 fp1 = tcg_temp_new_i64();
10490
10491 gen_load_fpr64(ctx, fp0, fs);
10492 gen_load_fpr64(ctx, fp1, ft);
10493 gen_helper_float_add_ps(fp0, tcg_env, fp0, fp1);
10494 gen_store_fpr64(ctx, fp0, fd);
10495 }
10496 break;
10497 case OPC_SUB_PS:
10498 check_ps(ctx);
10499 {
10500 TCGv_i64 fp0 = tcg_temp_new_i64();
10501 TCGv_i64 fp1 = tcg_temp_new_i64();
10502
10503 gen_load_fpr64(ctx, fp0, fs);
10504 gen_load_fpr64(ctx, fp1, ft);
10505 gen_helper_float_sub_ps(fp0, tcg_env, fp0, fp1);
10506 gen_store_fpr64(ctx, fp0, fd);
10507 }
10508 break;
10509 case OPC_MUL_PS:
10510 check_ps(ctx);
10511 {
10512 TCGv_i64 fp0 = tcg_temp_new_i64();
10513 TCGv_i64 fp1 = tcg_temp_new_i64();
10514
10515 gen_load_fpr64(ctx, fp0, fs);
10516 gen_load_fpr64(ctx, fp1, ft);
10517 gen_helper_float_mul_ps(fp0, tcg_env, fp0, fp1);
10518 gen_store_fpr64(ctx, fp0, fd);
10519 }
10520 break;
10521 case OPC_ABS_PS:
10522 check_ps(ctx);
10523 {
10524 TCGv_i64 fp0 = tcg_temp_new_i64();
10525
10526 gen_load_fpr64(ctx, fp0, fs);
10527 gen_helper_float_abs_ps(fp0, fp0);
10528 gen_store_fpr64(ctx, fp0, fd);
10529 }
10530 break;
10531 case OPC_MOV_PS:
10532 check_ps(ctx);
10533 {
10534 TCGv_i64 fp0 = tcg_temp_new_i64();
10535
10536 gen_load_fpr64(ctx, fp0, fs);
10537 gen_store_fpr64(ctx, fp0, fd);
10538 }
10539 break;
10540 case OPC_NEG_PS:
10541 check_ps(ctx);
10542 {
10543 TCGv_i64 fp0 = tcg_temp_new_i64();
10544
10545 gen_load_fpr64(ctx, fp0, fs);
10546 gen_helper_float_chs_ps(fp0, fp0);
10547 gen_store_fpr64(ctx, fp0, fd);
10548 }
10549 break;
10550 case OPC_MOVCF_PS:
10551 check_ps(ctx);
10552 gen_movcf_ps(ctx, fs, fd, (ft >> 2) & 0x7, ft & 0x1);
10553 break;
10554 case OPC_MOVZ_PS:
10555 check_ps(ctx);
10556 {
10557 TCGLabel *l1 = gen_new_label();
10558 TCGv_i64 fp0;
10559
10560 if (ft != 0) {
10561 tcg_gen_brcondi_tl(TCG_COND_NE, cpu_gpr[ft], 0, l1);
10562 }
10563 fp0 = tcg_temp_new_i64();
10564 gen_load_fpr64(ctx, fp0, fs);
10565 gen_store_fpr64(ctx, fp0, fd);
10566 gen_set_label(l1);
10567 }
10568 break;
10569 case OPC_MOVN_PS:
10570 check_ps(ctx);
10571 {
10572 TCGLabel *l1 = gen_new_label();
10573 TCGv_i64 fp0;
10574
10575 if (ft != 0) {
10576 tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[ft], 0, l1);
10577 fp0 = tcg_temp_new_i64();
10578 gen_load_fpr64(ctx, fp0, fs);
10579 gen_store_fpr64(ctx, fp0, fd);
10580 gen_set_label(l1);
10581 }
10582 }
10583 break;
10584 case OPC_ADDR_PS:
10585 check_ps(ctx);
10586 {
10587 TCGv_i64 fp0 = tcg_temp_new_i64();
10588 TCGv_i64 fp1 = tcg_temp_new_i64();
10589
10590 gen_load_fpr64(ctx, fp0, ft);
10591 gen_load_fpr64(ctx, fp1, fs);
10592 gen_helper_float_addr_ps(fp0, tcg_env, fp0, fp1);
10593 gen_store_fpr64(ctx, fp0, fd);
10594 }
10595 break;
10596 case OPC_MULR_PS:
10597 check_ps(ctx);
10598 {
10599 TCGv_i64 fp0 = tcg_temp_new_i64();
10600 TCGv_i64 fp1 = tcg_temp_new_i64();
10601
10602 gen_load_fpr64(ctx, fp0, ft);
10603 gen_load_fpr64(ctx, fp1, fs);
10604 gen_helper_float_mulr_ps(fp0, tcg_env, fp0, fp1);
10605 gen_store_fpr64(ctx, fp0, fd);
10606 }
10607 break;
10608 case OPC_RECIP2_PS:
10609 check_ps(ctx);
10610 {
10611 TCGv_i64 fp0 = tcg_temp_new_i64();
10612 TCGv_i64 fp1 = tcg_temp_new_i64();
10613
10614 gen_load_fpr64(ctx, fp0, fs);
10615 gen_load_fpr64(ctx, fp1, ft);
10616 gen_helper_float_recip2_ps(fp0, tcg_env, fp0, fp1);
10617 gen_store_fpr64(ctx, fp0, fd);
10618 }
10619 break;
10620 case OPC_RECIP1_PS:
10621 check_ps(ctx);
10622 {
10623 TCGv_i64 fp0 = tcg_temp_new_i64();
10624
10625 gen_load_fpr64(ctx, fp0, fs);
10626 gen_helper_float_recip1_ps(fp0, tcg_env, fp0);
10627 gen_store_fpr64(ctx, fp0, fd);
10628 }
10629 break;
10630 case OPC_RSQRT1_PS:
10631 check_ps(ctx);
10632 {
10633 TCGv_i64 fp0 = tcg_temp_new_i64();
10634
10635 gen_load_fpr64(ctx, fp0, fs);
10636 gen_helper_float_rsqrt1_ps(fp0, tcg_env, fp0);
10637 gen_store_fpr64(ctx, fp0, fd);
10638 }
10639 break;
10640 case OPC_RSQRT2_PS:
10641 check_ps(ctx);
10642 {
10643 TCGv_i64 fp0 = tcg_temp_new_i64();
10644 TCGv_i64 fp1 = tcg_temp_new_i64();
10645
10646 gen_load_fpr64(ctx, fp0, fs);
10647 gen_load_fpr64(ctx, fp1, ft);
10648 gen_helper_float_rsqrt2_ps(fp0, tcg_env, fp0, fp1);
10649 gen_store_fpr64(ctx, fp0, fd);
10650 }
10651 break;
10652 case OPC_CVT_S_PU:
10653 check_cp1_64bitmode(ctx);
10654 {
10655 TCGv_i32 fp0 = tcg_temp_new_i32();
10656
10657 gen_load_fpr32h(ctx, fp0, fs);
10658 gen_helper_float_cvts_pu(fp0, tcg_env, fp0);
10659 gen_store_fpr32(ctx, fp0, fd);
10660 }
10661 break;
10662 case OPC_CVT_PW_PS:
10663 check_ps(ctx);
10664 {
10665 TCGv_i64 fp0 = tcg_temp_new_i64();
10666
10667 gen_load_fpr64(ctx, fp0, fs);
10668 gen_helper_float_cvtpw_ps(fp0, tcg_env, fp0);
10669 gen_store_fpr64(ctx, fp0, fd);
10670 }
10671 break;
10672 case OPC_CVT_S_PL:
10673 check_cp1_64bitmode(ctx);
10674 {
10675 TCGv_i32 fp0 = tcg_temp_new_i32();
10676
10677 gen_load_fpr32(ctx, fp0, fs);
10678 gen_helper_float_cvts_pl(fp0, tcg_env, fp0);
10679 gen_store_fpr32(ctx, fp0, fd);
10680 }
10681 break;
10682 case OPC_PLL_PS:
10683 check_ps(ctx);
10684 {
10685 TCGv_i32 fp0 = tcg_temp_new_i32();
10686 TCGv_i32 fp1 = tcg_temp_new_i32();
10687
10688 gen_load_fpr32(ctx, fp0, fs);
10689 gen_load_fpr32(ctx, fp1, ft);
10690 gen_store_fpr32h(ctx, fp0, fd);
10691 gen_store_fpr32(ctx, fp1, fd);
10692 }
10693 break;
10694 case OPC_PLU_PS:
10695 check_ps(ctx);
10696 {
10697 TCGv_i32 fp0 = tcg_temp_new_i32();
10698 TCGv_i32 fp1 = tcg_temp_new_i32();
10699
10700 gen_load_fpr32(ctx, fp0, fs);
10701 gen_load_fpr32h(ctx, fp1, ft);
10702 gen_store_fpr32(ctx, fp1, fd);
10703 gen_store_fpr32h(ctx, fp0, fd);
10704 }
10705 break;
10706 case OPC_PUL_PS:
10707 check_ps(ctx);
10708 {
10709 TCGv_i32 fp0 = tcg_temp_new_i32();
10710 TCGv_i32 fp1 = tcg_temp_new_i32();
10711
10712 gen_load_fpr32h(ctx, fp0, fs);
10713 gen_load_fpr32(ctx, fp1, ft);
10714 gen_store_fpr32(ctx, fp1, fd);
10715 gen_store_fpr32h(ctx, fp0, fd);
10716 }
10717 break;
10718 case OPC_PUU_PS:
10719 check_ps(ctx);
10720 {
10721 TCGv_i32 fp0 = tcg_temp_new_i32();
10722 TCGv_i32 fp1 = tcg_temp_new_i32();
10723
10724 gen_load_fpr32h(ctx, fp0, fs);
10725 gen_load_fpr32h(ctx, fp1, ft);
10726 gen_store_fpr32(ctx, fp1, fd);
10727 gen_store_fpr32h(ctx, fp0, fd);
10728 }
10729 break;
10730 case OPC_CMP_F_PS:
10731 case OPC_CMP_UN_PS:
10732 case OPC_CMP_EQ_PS:
10733 case OPC_CMP_UEQ_PS:
10734 case OPC_CMP_OLT_PS:
10735 case OPC_CMP_ULT_PS:
10736 case OPC_CMP_OLE_PS:
10737 case OPC_CMP_ULE_PS:
10738 case OPC_CMP_SF_PS:
10739 case OPC_CMP_NGLE_PS:
10740 case OPC_CMP_SEQ_PS:
10741 case OPC_CMP_NGL_PS:
10742 case OPC_CMP_LT_PS:
10743 case OPC_CMP_NGE_PS:
10744 case OPC_CMP_LE_PS:
10745 case OPC_CMP_NGT_PS:
10746 if (ctx->opcode & (1 << 6)) {
10747 gen_cmpabs_ps(ctx, func - 48, ft, fs, cc);
10748 } else {
10749 gen_cmp_ps(ctx, func - 48, ft, fs, cc);
10750 }
10751 break;
10752 default:
10753 MIPS_INVAL("farith");
10754 gen_reserved_instruction(ctx);
10755 return;
10756 }
10757 }
10758
10759 /* Coprocessor 3 (FPU) */
gen_flt3_ldst(DisasContext * ctx,uint32_t opc,int fd,int fs,int base,int index)10760 static void gen_flt3_ldst(DisasContext *ctx, uint32_t opc,
10761 int fd, int fs, int base, int index)
10762 {
10763 TCGv t0 = tcg_temp_new();
10764
10765 if (base == 0) {
10766 gen_load_gpr(t0, index);
10767 } else if (index == 0) {
10768 gen_load_gpr(t0, base);
10769 } else {
10770 gen_op_addr_add(ctx, t0, cpu_gpr[base], cpu_gpr[index]);
10771 }
10772 /*
10773 * Don't do NOP if destination is zero: we must perform the actual
10774 * memory access.
10775 */
10776 switch (opc) {
10777 case OPC_LWXC1:
10778 check_cop1x(ctx);
10779 {
10780 TCGv_i32 fp0 = tcg_temp_new_i32();
10781
10782 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TESL);
10783 tcg_gen_trunc_tl_i32(fp0, t0);
10784 gen_store_fpr32(ctx, fp0, fd);
10785 }
10786 break;
10787 case OPC_LDXC1:
10788 check_cop1x(ctx);
10789 check_cp1_registers(ctx, fd);
10790 {
10791 TCGv_i64 fp0 = tcg_temp_new_i64();
10792 tcg_gen_qemu_ld_i64(fp0, t0, ctx->mem_idx, MO_TEUQ);
10793 gen_store_fpr64(ctx, fp0, fd);
10794 }
10795 break;
10796 case OPC_LUXC1:
10797 check_cp1_64bitmode(ctx);
10798 tcg_gen_andi_tl(t0, t0, ~0x7);
10799 {
10800 TCGv_i64 fp0 = tcg_temp_new_i64();
10801
10802 tcg_gen_qemu_ld_i64(fp0, t0, ctx->mem_idx, MO_TEUQ);
10803 gen_store_fpr64(ctx, fp0, fd);
10804 }
10805 break;
10806 case OPC_SWXC1:
10807 check_cop1x(ctx);
10808 {
10809 TCGv_i32 fp0 = tcg_temp_new_i32();
10810 gen_load_fpr32(ctx, fp0, fs);
10811 tcg_gen_qemu_st_i32(fp0, t0, ctx->mem_idx, MO_TEUL);
10812 }
10813 break;
10814 case OPC_SDXC1:
10815 check_cop1x(ctx);
10816 check_cp1_registers(ctx, fs);
10817 {
10818 TCGv_i64 fp0 = tcg_temp_new_i64();
10819 gen_load_fpr64(ctx, fp0, fs);
10820 tcg_gen_qemu_st_i64(fp0, t0, ctx->mem_idx, MO_TEUQ);
10821 }
10822 break;
10823 case OPC_SUXC1:
10824 check_cp1_64bitmode(ctx);
10825 tcg_gen_andi_tl(t0, t0, ~0x7);
10826 {
10827 TCGv_i64 fp0 = tcg_temp_new_i64();
10828 gen_load_fpr64(ctx, fp0, fs);
10829 tcg_gen_qemu_st_i64(fp0, t0, ctx->mem_idx, MO_TEUQ);
10830 }
10831 break;
10832 }
10833 }
10834
gen_flt3_arith(DisasContext * ctx,uint32_t opc,int fd,int fr,int fs,int ft)10835 static void gen_flt3_arith(DisasContext *ctx, uint32_t opc,
10836 int fd, int fr, int fs, int ft)
10837 {
10838 switch (opc) {
10839 case OPC_ALNV_PS:
10840 check_ps(ctx);
10841 {
10842 TCGv t0 = tcg_temp_new();
10843 TCGv_i32 fp = tcg_temp_new_i32();
10844 TCGv_i32 fph = tcg_temp_new_i32();
10845 TCGLabel *l1 = gen_new_label();
10846 TCGLabel *l2 = gen_new_label();
10847
10848 gen_load_gpr(t0, fr);
10849 tcg_gen_andi_tl(t0, t0, 0x7);
10850
10851 tcg_gen_brcondi_tl(TCG_COND_NE, t0, 0, l1);
10852 gen_load_fpr32(ctx, fp, fs);
10853 gen_load_fpr32h(ctx, fph, fs);
10854 gen_store_fpr32(ctx, fp, fd);
10855 gen_store_fpr32h(ctx, fph, fd);
10856 tcg_gen_br(l2);
10857 gen_set_label(l1);
10858 tcg_gen_brcondi_tl(TCG_COND_NE, t0, 4, l2);
10859 if (cpu_is_bigendian(ctx)) {
10860 gen_load_fpr32(ctx, fp, fs);
10861 gen_load_fpr32h(ctx, fph, ft);
10862 gen_store_fpr32h(ctx, fp, fd);
10863 gen_store_fpr32(ctx, fph, fd);
10864 } else {
10865 gen_load_fpr32h(ctx, fph, fs);
10866 gen_load_fpr32(ctx, fp, ft);
10867 gen_store_fpr32(ctx, fph, fd);
10868 gen_store_fpr32h(ctx, fp, fd);
10869 }
10870 gen_set_label(l2);
10871 }
10872 break;
10873 case OPC_MADD_S:
10874 check_cop1x(ctx);
10875 {
10876 TCGv_i32 fp0 = tcg_temp_new_i32();
10877 TCGv_i32 fp1 = tcg_temp_new_i32();
10878 TCGv_i32 fp2 = tcg_temp_new_i32();
10879
10880 gen_load_fpr32(ctx, fp0, fs);
10881 gen_load_fpr32(ctx, fp1, ft);
10882 gen_load_fpr32(ctx, fp2, fr);
10883 gen_helper_float_madd_s(fp2, tcg_env, fp0, fp1, fp2);
10884 gen_store_fpr32(ctx, fp2, fd);
10885 }
10886 break;
10887 case OPC_MADD_D:
10888 check_cop1x(ctx);
10889 check_cp1_registers(ctx, fd | fs | ft | fr);
10890 {
10891 TCGv_i64 fp0 = tcg_temp_new_i64();
10892 TCGv_i64 fp1 = tcg_temp_new_i64();
10893 TCGv_i64 fp2 = tcg_temp_new_i64();
10894
10895 gen_load_fpr64(ctx, fp0, fs);
10896 gen_load_fpr64(ctx, fp1, ft);
10897 gen_load_fpr64(ctx, fp2, fr);
10898 gen_helper_float_madd_d(fp2, tcg_env, fp0, fp1, fp2);
10899 gen_store_fpr64(ctx, fp2, fd);
10900 }
10901 break;
10902 case OPC_MADD_PS:
10903 check_ps(ctx);
10904 {
10905 TCGv_i64 fp0 = tcg_temp_new_i64();
10906 TCGv_i64 fp1 = tcg_temp_new_i64();
10907 TCGv_i64 fp2 = tcg_temp_new_i64();
10908
10909 gen_load_fpr64(ctx, fp0, fs);
10910 gen_load_fpr64(ctx, fp1, ft);
10911 gen_load_fpr64(ctx, fp2, fr);
10912 gen_helper_float_madd_ps(fp2, tcg_env, fp0, fp1, fp2);
10913 gen_store_fpr64(ctx, fp2, fd);
10914 }
10915 break;
10916 case OPC_MSUB_S:
10917 check_cop1x(ctx);
10918 {
10919 TCGv_i32 fp0 = tcg_temp_new_i32();
10920 TCGv_i32 fp1 = tcg_temp_new_i32();
10921 TCGv_i32 fp2 = tcg_temp_new_i32();
10922
10923 gen_load_fpr32(ctx, fp0, fs);
10924 gen_load_fpr32(ctx, fp1, ft);
10925 gen_load_fpr32(ctx, fp2, fr);
10926 gen_helper_float_msub_s(fp2, tcg_env, fp0, fp1, fp2);
10927 gen_store_fpr32(ctx, fp2, fd);
10928 }
10929 break;
10930 case OPC_MSUB_D:
10931 check_cop1x(ctx);
10932 check_cp1_registers(ctx, fd | fs | ft | fr);
10933 {
10934 TCGv_i64 fp0 = tcg_temp_new_i64();
10935 TCGv_i64 fp1 = tcg_temp_new_i64();
10936 TCGv_i64 fp2 = tcg_temp_new_i64();
10937
10938 gen_load_fpr64(ctx, fp0, fs);
10939 gen_load_fpr64(ctx, fp1, ft);
10940 gen_load_fpr64(ctx, fp2, fr);
10941 gen_helper_float_msub_d(fp2, tcg_env, fp0, fp1, fp2);
10942 gen_store_fpr64(ctx, fp2, fd);
10943 }
10944 break;
10945 case OPC_MSUB_PS:
10946 check_ps(ctx);
10947 {
10948 TCGv_i64 fp0 = tcg_temp_new_i64();
10949 TCGv_i64 fp1 = tcg_temp_new_i64();
10950 TCGv_i64 fp2 = tcg_temp_new_i64();
10951
10952 gen_load_fpr64(ctx, fp0, fs);
10953 gen_load_fpr64(ctx, fp1, ft);
10954 gen_load_fpr64(ctx, fp2, fr);
10955 gen_helper_float_msub_ps(fp2, tcg_env, fp0, fp1, fp2);
10956 gen_store_fpr64(ctx, fp2, fd);
10957 }
10958 break;
10959 case OPC_NMADD_S:
10960 check_cop1x(ctx);
10961 {
10962 TCGv_i32 fp0 = tcg_temp_new_i32();
10963 TCGv_i32 fp1 = tcg_temp_new_i32();
10964 TCGv_i32 fp2 = tcg_temp_new_i32();
10965
10966 gen_load_fpr32(ctx, fp0, fs);
10967 gen_load_fpr32(ctx, fp1, ft);
10968 gen_load_fpr32(ctx, fp2, fr);
10969 gen_helper_float_nmadd_s(fp2, tcg_env, fp0, fp1, fp2);
10970 gen_store_fpr32(ctx, fp2, fd);
10971 }
10972 break;
10973 case OPC_NMADD_D:
10974 check_cop1x(ctx);
10975 check_cp1_registers(ctx, fd | fs | ft | fr);
10976 {
10977 TCGv_i64 fp0 = tcg_temp_new_i64();
10978 TCGv_i64 fp1 = tcg_temp_new_i64();
10979 TCGv_i64 fp2 = tcg_temp_new_i64();
10980
10981 gen_load_fpr64(ctx, fp0, fs);
10982 gen_load_fpr64(ctx, fp1, ft);
10983 gen_load_fpr64(ctx, fp2, fr);
10984 gen_helper_float_nmadd_d(fp2, tcg_env, fp0, fp1, fp2);
10985 gen_store_fpr64(ctx, fp2, fd);
10986 }
10987 break;
10988 case OPC_NMADD_PS:
10989 check_ps(ctx);
10990 {
10991 TCGv_i64 fp0 = tcg_temp_new_i64();
10992 TCGv_i64 fp1 = tcg_temp_new_i64();
10993 TCGv_i64 fp2 = tcg_temp_new_i64();
10994
10995 gen_load_fpr64(ctx, fp0, fs);
10996 gen_load_fpr64(ctx, fp1, ft);
10997 gen_load_fpr64(ctx, fp2, fr);
10998 gen_helper_float_nmadd_ps(fp2, tcg_env, fp0, fp1, fp2);
10999 gen_store_fpr64(ctx, fp2, fd);
11000 }
11001 break;
11002 case OPC_NMSUB_S:
11003 check_cop1x(ctx);
11004 {
11005 TCGv_i32 fp0 = tcg_temp_new_i32();
11006 TCGv_i32 fp1 = tcg_temp_new_i32();
11007 TCGv_i32 fp2 = tcg_temp_new_i32();
11008
11009 gen_load_fpr32(ctx, fp0, fs);
11010 gen_load_fpr32(ctx, fp1, ft);
11011 gen_load_fpr32(ctx, fp2, fr);
11012 gen_helper_float_nmsub_s(fp2, tcg_env, fp0, fp1, fp2);
11013 gen_store_fpr32(ctx, fp2, fd);
11014 }
11015 break;
11016 case OPC_NMSUB_D:
11017 check_cop1x(ctx);
11018 check_cp1_registers(ctx, fd | fs | ft | fr);
11019 {
11020 TCGv_i64 fp0 = tcg_temp_new_i64();
11021 TCGv_i64 fp1 = tcg_temp_new_i64();
11022 TCGv_i64 fp2 = tcg_temp_new_i64();
11023
11024 gen_load_fpr64(ctx, fp0, fs);
11025 gen_load_fpr64(ctx, fp1, ft);
11026 gen_load_fpr64(ctx, fp2, fr);
11027 gen_helper_float_nmsub_d(fp2, tcg_env, fp0, fp1, fp2);
11028 gen_store_fpr64(ctx, fp2, fd);
11029 }
11030 break;
11031 case OPC_NMSUB_PS:
11032 check_ps(ctx);
11033 {
11034 TCGv_i64 fp0 = tcg_temp_new_i64();
11035 TCGv_i64 fp1 = tcg_temp_new_i64();
11036 TCGv_i64 fp2 = tcg_temp_new_i64();
11037
11038 gen_load_fpr64(ctx, fp0, fs);
11039 gen_load_fpr64(ctx, fp1, ft);
11040 gen_load_fpr64(ctx, fp2, fr);
11041 gen_helper_float_nmsub_ps(fp2, tcg_env, fp0, fp1, fp2);
11042 gen_store_fpr64(ctx, fp2, fd);
11043 }
11044 break;
11045 default:
11046 MIPS_INVAL("flt3_arith");
11047 gen_reserved_instruction(ctx);
11048 return;
11049 }
11050 }
11051
gen_rdhwr(DisasContext * ctx,int rt,int rd,int sel)11052 void gen_rdhwr(DisasContext *ctx, int rt, int rd, int sel)
11053 {
11054 TCGv t0;
11055
11056 #if !defined(CONFIG_USER_ONLY)
11057 /*
11058 * The Linux kernel will emulate rdhwr if it's not supported natively.
11059 * Therefore only check the ISA in system mode.
11060 */
11061 check_insn(ctx, ISA_MIPS_R2);
11062 #endif
11063 t0 = tcg_temp_new();
11064
11065 switch (rd) {
11066 case 0:
11067 gen_helper_rdhwr_cpunum(t0, tcg_env);
11068 gen_store_gpr(t0, rt);
11069 break;
11070 case 1:
11071 gen_helper_rdhwr_synci_step(t0, tcg_env);
11072 gen_store_gpr(t0, rt);
11073 break;
11074 case 2:
11075 translator_io_start(&ctx->base);
11076 gen_helper_rdhwr_cc(t0, tcg_env);
11077 gen_store_gpr(t0, rt);
11078 /*
11079 * Break the TB to be able to take timer interrupts immediately
11080 * after reading count. DISAS_STOP isn't sufficient, we need to ensure
11081 * we break completely out of translated code.
11082 */
11083 gen_save_pc(ctx->base.pc_next + 4);
11084 ctx->base.is_jmp = DISAS_EXIT;
11085 break;
11086 case 3:
11087 gen_helper_rdhwr_ccres(t0, tcg_env);
11088 gen_store_gpr(t0, rt);
11089 break;
11090 case 4:
11091 check_insn(ctx, ISA_MIPS_R6);
11092 if (sel != 0) {
11093 /*
11094 * Performance counter registers are not implemented other than
11095 * control register 0.
11096 */
11097 generate_exception(ctx, EXCP_RI);
11098 }
11099 gen_helper_rdhwr_performance(t0, tcg_env);
11100 gen_store_gpr(t0, rt);
11101 break;
11102 case 5:
11103 check_insn(ctx, ISA_MIPS_R6);
11104 gen_helper_rdhwr_xnp(t0, tcg_env);
11105 gen_store_gpr(t0, rt);
11106 break;
11107 case 29:
11108 #if defined(CONFIG_USER_ONLY)
11109 tcg_gen_ld_tl(t0, tcg_env,
11110 offsetof(CPUMIPSState, active_tc.CP0_UserLocal));
11111 gen_store_gpr(t0, rt);
11112 break;
11113 #else
11114 if ((ctx->hflags & MIPS_HFLAG_CP0) ||
11115 (ctx->hflags & MIPS_HFLAG_HWRENA_ULR)) {
11116 tcg_gen_ld_tl(t0, tcg_env,
11117 offsetof(CPUMIPSState, active_tc.CP0_UserLocal));
11118 gen_store_gpr(t0, rt);
11119 } else {
11120 gen_reserved_instruction(ctx);
11121 }
11122 break;
11123 #endif
11124 default: /* Invalid */
11125 MIPS_INVAL("rdhwr");
11126 gen_reserved_instruction(ctx);
11127 break;
11128 }
11129 }
11130
clear_branch_hflags(DisasContext * ctx)11131 static inline void clear_branch_hflags(DisasContext *ctx)
11132 {
11133 ctx->hflags &= ~MIPS_HFLAG_BMASK;
11134 if (ctx->base.is_jmp == DISAS_NEXT) {
11135 save_cpu_state(ctx, 0);
11136 } else {
11137 /*
11138 * It is not safe to save ctx->hflags as hflags may be changed
11139 * in execution time by the instruction in delay / forbidden slot.
11140 */
11141 tcg_gen_andi_i32(hflags, hflags, ~MIPS_HFLAG_BMASK);
11142 }
11143 }
11144
gen_branch(DisasContext * ctx,int insn_bytes)11145 static void gen_branch(DisasContext *ctx, int insn_bytes)
11146 {
11147 if (ctx->hflags & MIPS_HFLAG_BMASK) {
11148 int proc_hflags = ctx->hflags & MIPS_HFLAG_BMASK;
11149 /* Branches completion */
11150 clear_branch_hflags(ctx);
11151 ctx->base.is_jmp = DISAS_NORETURN;
11152 switch (proc_hflags & MIPS_HFLAG_BMASK_BASE) {
11153 case MIPS_HFLAG_FBNSLOT:
11154 gen_goto_tb(ctx, 0, ctx->base.pc_next + insn_bytes);
11155 break;
11156 case MIPS_HFLAG_B:
11157 /* unconditional branch */
11158 if (proc_hflags & MIPS_HFLAG_BX) {
11159 tcg_gen_xori_i32(hflags, hflags, MIPS_HFLAG_M16);
11160 }
11161 gen_goto_tb(ctx, 0, ctx->btarget);
11162 break;
11163 case MIPS_HFLAG_BL:
11164 /* blikely taken case */
11165 gen_goto_tb(ctx, 0, ctx->btarget);
11166 break;
11167 case MIPS_HFLAG_BC:
11168 /* Conditional branch */
11169 {
11170 TCGLabel *l1 = gen_new_label();
11171
11172 tcg_gen_brcondi_tl(TCG_COND_NE, bcond, 0, l1);
11173 gen_goto_tb(ctx, 1, ctx->base.pc_next + insn_bytes);
11174 gen_set_label(l1);
11175 gen_goto_tb(ctx, 0, ctx->btarget);
11176 }
11177 break;
11178 case MIPS_HFLAG_BR:
11179 /* unconditional branch to register */
11180 if (ctx->insn_flags & (ASE_MIPS16 | ASE_MICROMIPS)) {
11181 TCGv t0 = tcg_temp_new();
11182 TCGv_i32 t1 = tcg_temp_new_i32();
11183
11184 tcg_gen_andi_tl(t0, btarget, 0x1);
11185 tcg_gen_trunc_tl_i32(t1, t0);
11186 tcg_gen_andi_i32(hflags, hflags, ~(uint32_t)MIPS_HFLAG_M16);
11187 tcg_gen_shli_i32(t1, t1, MIPS_HFLAG_M16_SHIFT);
11188 tcg_gen_or_i32(hflags, hflags, t1);
11189
11190 tcg_gen_andi_tl(cpu_PC, btarget, ~(target_ulong)0x1);
11191 } else {
11192 tcg_gen_mov_tl(cpu_PC, btarget);
11193 }
11194 tcg_gen_lookup_and_goto_ptr();
11195 break;
11196 default:
11197 LOG_DISAS("unknown branch 0x%x\n", proc_hflags);
11198 gen_reserved_instruction(ctx);
11199 }
11200 }
11201 }
11202
11203 /* Compact Branches */
gen_compute_compact_branch(DisasContext * ctx,uint32_t opc,int rs,int rt,int32_t offset)11204 static void gen_compute_compact_branch(DisasContext *ctx, uint32_t opc,
11205 int rs, int rt, int32_t offset)
11206 {
11207 int bcond_compute = 0;
11208 TCGv t0 = tcg_temp_new();
11209 TCGv t1 = tcg_temp_new();
11210 int m16_lowbit = (ctx->hflags & MIPS_HFLAG_M16) != 0;
11211
11212 if (ctx->hflags & MIPS_HFLAG_BMASK) {
11213 #ifdef MIPS_DEBUG_DISAS
11214 LOG_DISAS("Branch in delay / forbidden slot at PC 0x%016"
11215 VADDR_PRIx "\n", ctx->base.pc_next);
11216 #endif
11217 gen_reserved_instruction(ctx);
11218 return;
11219 }
11220
11221 /* Load needed operands and calculate btarget */
11222 switch (opc) {
11223 /* compact branch */
11224 case OPC_BOVC: /* OPC_BEQZALC, OPC_BEQC */
11225 case OPC_BNVC: /* OPC_BNEZALC, OPC_BNEC */
11226 gen_load_gpr(t0, rs);
11227 gen_load_gpr(t1, rt);
11228 bcond_compute = 1;
11229 ctx->btarget = addr_add(ctx, ctx->base.pc_next + 4, offset);
11230 if (rs <= rt && rs == 0) {
11231 /* OPC_BEQZALC, OPC_BNEZALC */
11232 tcg_gen_movi_tl(cpu_gpr[31], ctx->base.pc_next + 4 + m16_lowbit);
11233 }
11234 break;
11235 case OPC_BLEZC: /* OPC_BGEZC, OPC_BGEC */
11236 case OPC_BGTZC: /* OPC_BLTZC, OPC_BLTC */
11237 gen_load_gpr(t0, rs);
11238 gen_load_gpr(t1, rt);
11239 bcond_compute = 1;
11240 ctx->btarget = addr_add(ctx, ctx->base.pc_next + 4, offset);
11241 break;
11242 case OPC_BLEZALC: /* OPC_BGEZALC, OPC_BGEUC */
11243 case OPC_BGTZALC: /* OPC_BLTZALC, OPC_BLTUC */
11244 if (rs == 0 || rs == rt) {
11245 /* OPC_BLEZALC, OPC_BGEZALC */
11246 /* OPC_BGTZALC, OPC_BLTZALC */
11247 tcg_gen_movi_tl(cpu_gpr[31], ctx->base.pc_next + 4 + m16_lowbit);
11248 }
11249 gen_load_gpr(t0, rs);
11250 gen_load_gpr(t1, rt);
11251 bcond_compute = 1;
11252 ctx->btarget = addr_add(ctx, ctx->base.pc_next + 4, offset);
11253 break;
11254 case OPC_BC:
11255 case OPC_BALC:
11256 ctx->btarget = addr_add(ctx, ctx->base.pc_next + 4, offset);
11257 break;
11258 case OPC_BEQZC:
11259 case OPC_BNEZC:
11260 if (rs != 0) {
11261 /* OPC_BEQZC, OPC_BNEZC */
11262 gen_load_gpr(t0, rs);
11263 bcond_compute = 1;
11264 ctx->btarget = addr_add(ctx, ctx->base.pc_next + 4, offset);
11265 } else {
11266 /* OPC_JIC, OPC_JIALC */
11267 TCGv tbase = tcg_temp_new();
11268 TCGv toffset = tcg_constant_tl(offset);
11269
11270 gen_load_gpr(tbase, rt);
11271 gen_op_addr_add(ctx, btarget, tbase, toffset);
11272 }
11273 break;
11274 default:
11275 MIPS_INVAL("Compact branch/jump");
11276 gen_reserved_instruction(ctx);
11277 return;
11278 }
11279
11280 if (bcond_compute == 0) {
11281 /* Unconditional compact branch */
11282 switch (opc) {
11283 case OPC_JIALC:
11284 tcg_gen_movi_tl(cpu_gpr[31], ctx->base.pc_next + 4 + m16_lowbit);
11285 /* Fallthrough */
11286 case OPC_JIC:
11287 ctx->hflags |= MIPS_HFLAG_BR;
11288 break;
11289 case OPC_BALC:
11290 tcg_gen_movi_tl(cpu_gpr[31], ctx->base.pc_next + 4 + m16_lowbit);
11291 /* Fallthrough */
11292 case OPC_BC:
11293 ctx->hflags |= MIPS_HFLAG_B;
11294 break;
11295 default:
11296 MIPS_INVAL("Compact branch/jump");
11297 gen_reserved_instruction(ctx);
11298 return;
11299 }
11300
11301 /* Generating branch here as compact branches don't have delay slot */
11302 gen_branch(ctx, 4);
11303 } else {
11304 /* Conditional compact branch */
11305 TCGLabel *fs = gen_new_label();
11306 save_cpu_state(ctx, 0);
11307
11308 switch (opc) {
11309 case OPC_BLEZALC: /* OPC_BGEZALC, OPC_BGEUC */
11310 if (rs == 0 && rt != 0) {
11311 /* OPC_BLEZALC */
11312 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_LE), t1, 0, fs);
11313 } else if (rs != 0 && rt != 0 && rs == rt) {
11314 /* OPC_BGEZALC */
11315 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_GE), t1, 0, fs);
11316 } else {
11317 /* OPC_BGEUC */
11318 tcg_gen_brcond_tl(tcg_invert_cond(TCG_COND_GEU), t0, t1, fs);
11319 }
11320 break;
11321 case OPC_BGTZALC: /* OPC_BLTZALC, OPC_BLTUC */
11322 if (rs == 0 && rt != 0) {
11323 /* OPC_BGTZALC */
11324 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_GT), t1, 0, fs);
11325 } else if (rs != 0 && rt != 0 && rs == rt) {
11326 /* OPC_BLTZALC */
11327 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_LT), t1, 0, fs);
11328 } else {
11329 /* OPC_BLTUC */
11330 tcg_gen_brcond_tl(tcg_invert_cond(TCG_COND_LTU), t0, t1, fs);
11331 }
11332 break;
11333 case OPC_BLEZC: /* OPC_BGEZC, OPC_BGEC */
11334 if (rs == 0 && rt != 0) {
11335 /* OPC_BLEZC */
11336 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_LE), t1, 0, fs);
11337 } else if (rs != 0 && rt != 0 && rs == rt) {
11338 /* OPC_BGEZC */
11339 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_GE), t1, 0, fs);
11340 } else {
11341 /* OPC_BGEC */
11342 tcg_gen_brcond_tl(tcg_invert_cond(TCG_COND_GE), t0, t1, fs);
11343 }
11344 break;
11345 case OPC_BGTZC: /* OPC_BLTZC, OPC_BLTC */
11346 if (rs == 0 && rt != 0) {
11347 /* OPC_BGTZC */
11348 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_GT), t1, 0, fs);
11349 } else if (rs != 0 && rt != 0 && rs == rt) {
11350 /* OPC_BLTZC */
11351 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_LT), t1, 0, fs);
11352 } else {
11353 /* OPC_BLTC */
11354 tcg_gen_brcond_tl(tcg_invert_cond(TCG_COND_LT), t0, t1, fs);
11355 }
11356 break;
11357 case OPC_BOVC: /* OPC_BEQZALC, OPC_BEQC */
11358 case OPC_BNVC: /* OPC_BNEZALC, OPC_BNEC */
11359 if (rs >= rt) {
11360 /* OPC_BOVC, OPC_BNVC */
11361 TCGv t2 = tcg_temp_new();
11362 TCGv t3 = tcg_temp_new();
11363 TCGv t4 = tcg_temp_new();
11364 TCGv input_overflow = tcg_temp_new();
11365
11366 gen_load_gpr(t0, rs);
11367 gen_load_gpr(t1, rt);
11368 tcg_gen_ext32s_tl(t2, t0);
11369 tcg_gen_setcond_tl(TCG_COND_NE, input_overflow, t2, t0);
11370 tcg_gen_ext32s_tl(t3, t1);
11371 tcg_gen_setcond_tl(TCG_COND_NE, t4, t3, t1);
11372 tcg_gen_or_tl(input_overflow, input_overflow, t4);
11373
11374 tcg_gen_add_tl(t4, t2, t3);
11375 tcg_gen_ext32s_tl(t4, t4);
11376 tcg_gen_xor_tl(t2, t2, t3);
11377 tcg_gen_xor_tl(t3, t4, t3);
11378 tcg_gen_andc_tl(t2, t3, t2);
11379 tcg_gen_setcondi_tl(TCG_COND_LT, t4, t2, 0);
11380 tcg_gen_or_tl(t4, t4, input_overflow);
11381 if (opc == OPC_BOVC) {
11382 /* OPC_BOVC */
11383 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_NE), t4, 0, fs);
11384 } else {
11385 /* OPC_BNVC */
11386 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_EQ), t4, 0, fs);
11387 }
11388 } else if (rs < rt && rs == 0) {
11389 /* OPC_BEQZALC, OPC_BNEZALC */
11390 if (opc == OPC_BEQZALC) {
11391 /* OPC_BEQZALC */
11392 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_EQ), t1, 0, fs);
11393 } else {
11394 /* OPC_BNEZALC */
11395 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_NE), t1, 0, fs);
11396 }
11397 } else {
11398 /* OPC_BEQC, OPC_BNEC */
11399 if (opc == OPC_BEQC) {
11400 /* OPC_BEQC */
11401 tcg_gen_brcond_tl(tcg_invert_cond(TCG_COND_EQ), t0, t1, fs);
11402 } else {
11403 /* OPC_BNEC */
11404 tcg_gen_brcond_tl(tcg_invert_cond(TCG_COND_NE), t0, t1, fs);
11405 }
11406 }
11407 break;
11408 case OPC_BEQZC:
11409 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_EQ), t0, 0, fs);
11410 break;
11411 case OPC_BNEZC:
11412 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_NE), t0, 0, fs);
11413 break;
11414 default:
11415 MIPS_INVAL("Compact conditional branch/jump");
11416 gen_reserved_instruction(ctx);
11417 return;
11418 }
11419
11420 /* Generating branch here as compact branches don't have delay slot */
11421 gen_goto_tb(ctx, 1, ctx->btarget);
11422 gen_set_label(fs);
11423
11424 ctx->hflags |= MIPS_HFLAG_FBNSLOT;
11425 }
11426 }
11427
gen_addiupc(DisasContext * ctx,int rx,int imm,int is_64_bit,int extended)11428 void gen_addiupc(DisasContext *ctx, int rx, int imm,
11429 int is_64_bit, int extended)
11430 {
11431 TCGv t0;
11432
11433 if (extended && (ctx->hflags & MIPS_HFLAG_BMASK)) {
11434 gen_reserved_instruction(ctx);
11435 return;
11436 }
11437
11438 t0 = tcg_temp_new();
11439
11440 tcg_gen_movi_tl(t0, pc_relative_pc(ctx));
11441 tcg_gen_addi_tl(cpu_gpr[rx], t0, imm);
11442 if (!is_64_bit) {
11443 tcg_gen_ext32s_tl(cpu_gpr[rx], cpu_gpr[rx]);
11444 }
11445 }
11446
gen_cache_operation(DisasContext * ctx,uint32_t op,int base,int16_t offset)11447 static void gen_cache_operation(DisasContext *ctx, uint32_t op, int base,
11448 int16_t offset)
11449 {
11450 TCGv_i32 t0 = tcg_constant_i32(op);
11451 TCGv t1 = tcg_temp_new();
11452 gen_base_offset_addr(ctx, t1, base, offset);
11453 gen_helper_cache(tcg_env, t1, t0);
11454 }
11455
is_uhi(DisasContext * ctx,int sdbbp_code)11456 static inline bool is_uhi(DisasContext *ctx, int sdbbp_code)
11457 {
11458 #ifdef CONFIG_USER_ONLY
11459 return false;
11460 #else
11461 bool is_user = (ctx->hflags & MIPS_HFLAG_KSU) == MIPS_HFLAG_UM;
11462 return semihosting_enabled(is_user) && sdbbp_code == 1;
11463 #endif
11464 }
11465
gen_ldxs(DisasContext * ctx,int base,int index,int rd)11466 void gen_ldxs(DisasContext *ctx, int base, int index, int rd)
11467 {
11468 TCGv t0 = tcg_temp_new();
11469 TCGv t1 = tcg_temp_new();
11470
11471 gen_load_gpr(t0, base);
11472
11473 if (index != 0) {
11474 gen_load_gpr(t1, index);
11475 tcg_gen_shli_tl(t1, t1, 2);
11476 gen_op_addr_add(ctx, t0, t1, t0);
11477 }
11478
11479 tcg_gen_qemu_ld_tl(t1, t0, ctx->mem_idx, MO_TESL);
11480 gen_store_gpr(t1, rd);
11481 }
11482
gen_sync(int stype)11483 static void gen_sync(int stype)
11484 {
11485 TCGBar tcg_mo = TCG_BAR_SC;
11486
11487 switch (stype) {
11488 case 0x4: /* SYNC_WMB */
11489 tcg_mo |= TCG_MO_ST_ST;
11490 break;
11491 case 0x10: /* SYNC_MB */
11492 tcg_mo |= TCG_MO_ALL;
11493 break;
11494 case 0x11: /* SYNC_ACQUIRE */
11495 tcg_mo |= TCG_MO_LD_LD | TCG_MO_LD_ST;
11496 break;
11497 case 0x12: /* SYNC_RELEASE */
11498 tcg_mo |= TCG_MO_ST_ST | TCG_MO_LD_ST;
11499 break;
11500 case 0x13: /* SYNC_RMB */
11501 tcg_mo |= TCG_MO_LD_LD;
11502 break;
11503 default:
11504 tcg_mo |= TCG_MO_ALL;
11505 break;
11506 }
11507
11508 tcg_gen_mb(tcg_mo);
11509 }
11510
11511 /* ISA extensions (ASEs) */
11512
11513 /* MIPS16 extension to MIPS32 */
11514 #include "mips16e_translate.c.inc"
11515
11516 /* microMIPS extension to MIPS32/MIPS64 */
11517
11518 /*
11519 * Values for microMIPS fmt field. Variable-width, depending on which
11520 * formats the instruction supports.
11521 */
11522 enum {
11523 FMT_SD_S = 0,
11524 FMT_SD_D = 1,
11525
11526 FMT_SDPS_S = 0,
11527 FMT_SDPS_D = 1,
11528 FMT_SDPS_PS = 2,
11529
11530 FMT_SWL_S = 0,
11531 FMT_SWL_W = 1,
11532 FMT_SWL_L = 2,
11533
11534 FMT_DWL_D = 0,
11535 FMT_DWL_W = 1,
11536 FMT_DWL_L = 2
11537 };
11538
11539 #include "micromips_translate.c.inc"
11540
11541 #include "nanomips_translate.c.inc"
11542
11543 /* MIPSDSP functions. */
11544
11545 /* Indexed load is not for DSP only */
gen_mips_lx(DisasContext * ctx,uint32_t opc,int rd,int base,int offset)11546 static void gen_mips_lx(DisasContext *ctx, uint32_t opc,
11547 int rd, int base, int offset)
11548 {
11549 TCGv t0;
11550
11551 if (!(ctx->insn_flags & INSN_OCTEON)) {
11552 check_dsp(ctx);
11553 }
11554 t0 = tcg_temp_new();
11555
11556 if (base == 0) {
11557 gen_load_gpr(t0, offset);
11558 } else if (offset == 0) {
11559 gen_load_gpr(t0, base);
11560 } else {
11561 gen_op_addr_add(ctx, t0, cpu_gpr[base], cpu_gpr[offset]);
11562 }
11563
11564 switch (opc) {
11565 case OPC_LBUX:
11566 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_UB);
11567 gen_store_gpr(t0, rd);
11568 break;
11569 case OPC_LHX:
11570 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TESW);
11571 gen_store_gpr(t0, rd);
11572 break;
11573 case OPC_LWX:
11574 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TESL);
11575 gen_store_gpr(t0, rd);
11576 break;
11577 #if defined(TARGET_MIPS64)
11578 case OPC_LDX:
11579 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TEUQ);
11580 gen_store_gpr(t0, rd);
11581 break;
11582 #endif
11583 }
11584 }
11585
gen_mipsdsp_arith(DisasContext * ctx,uint32_t op1,uint32_t op2,int ret,int v1,int v2)11586 static void gen_mipsdsp_arith(DisasContext *ctx, uint32_t op1, uint32_t op2,
11587 int ret, int v1, int v2)
11588 {
11589 TCGv v1_t;
11590 TCGv v2_t;
11591
11592 if (ret == 0) {
11593 /* Treat as NOP. */
11594 return;
11595 }
11596
11597 v1_t = tcg_temp_new();
11598 v2_t = tcg_temp_new();
11599
11600 gen_load_gpr(v1_t, v1);
11601 gen_load_gpr(v2_t, v2);
11602
11603 switch (op1) {
11604 /* OPC_MULT_G_2E is equal OPC_ADDUH_QB_DSP */
11605 case OPC_MULT_G_2E:
11606 check_dsp_r2(ctx);
11607 switch (op2) {
11608 case OPC_ADDUH_QB:
11609 gen_helper_adduh_qb(cpu_gpr[ret], v1_t, v2_t);
11610 break;
11611 case OPC_ADDUH_R_QB:
11612 gen_helper_adduh_r_qb(cpu_gpr[ret], v1_t, v2_t);
11613 break;
11614 case OPC_ADDQH_PH:
11615 gen_helper_addqh_ph(cpu_gpr[ret], v1_t, v2_t);
11616 break;
11617 case OPC_ADDQH_R_PH:
11618 gen_helper_addqh_r_ph(cpu_gpr[ret], v1_t, v2_t);
11619 break;
11620 case OPC_ADDQH_W:
11621 gen_helper_addqh_w(cpu_gpr[ret], v1_t, v2_t);
11622 break;
11623 case OPC_ADDQH_R_W:
11624 gen_helper_addqh_r_w(cpu_gpr[ret], v1_t, v2_t);
11625 break;
11626 case OPC_SUBUH_QB:
11627 gen_helper_subuh_qb(cpu_gpr[ret], v1_t, v2_t);
11628 break;
11629 case OPC_SUBUH_R_QB:
11630 gen_helper_subuh_r_qb(cpu_gpr[ret], v1_t, v2_t);
11631 break;
11632 case OPC_SUBQH_PH:
11633 gen_helper_subqh_ph(cpu_gpr[ret], v1_t, v2_t);
11634 break;
11635 case OPC_SUBQH_R_PH:
11636 gen_helper_subqh_r_ph(cpu_gpr[ret], v1_t, v2_t);
11637 break;
11638 case OPC_SUBQH_W:
11639 gen_helper_subqh_w(cpu_gpr[ret], v1_t, v2_t);
11640 break;
11641 case OPC_SUBQH_R_W:
11642 gen_helper_subqh_r_w(cpu_gpr[ret], v1_t, v2_t);
11643 break;
11644 }
11645 break;
11646 case OPC_ABSQ_S_PH_DSP:
11647 switch (op2) {
11648 case OPC_ABSQ_S_QB:
11649 check_dsp_r2(ctx);
11650 gen_helper_absq_s_qb(cpu_gpr[ret], v2_t, tcg_env);
11651 break;
11652 case OPC_ABSQ_S_PH:
11653 check_dsp(ctx);
11654 gen_helper_absq_s_ph(cpu_gpr[ret], v2_t, tcg_env);
11655 break;
11656 case OPC_ABSQ_S_W:
11657 check_dsp(ctx);
11658 gen_helper_absq_s_w(cpu_gpr[ret], v2_t, tcg_env);
11659 break;
11660 case OPC_PRECEQ_W_PHL:
11661 check_dsp(ctx);
11662 tcg_gen_andi_tl(cpu_gpr[ret], v2_t, 0xFFFF0000);
11663 tcg_gen_ext32s_tl(cpu_gpr[ret], cpu_gpr[ret]);
11664 break;
11665 case OPC_PRECEQ_W_PHR:
11666 check_dsp(ctx);
11667 tcg_gen_andi_tl(cpu_gpr[ret], v2_t, 0x0000FFFF);
11668 tcg_gen_shli_tl(cpu_gpr[ret], cpu_gpr[ret], 16);
11669 tcg_gen_ext32s_tl(cpu_gpr[ret], cpu_gpr[ret]);
11670 break;
11671 case OPC_PRECEQU_PH_QBL:
11672 check_dsp(ctx);
11673 gen_helper_precequ_ph_qbl(cpu_gpr[ret], v2_t);
11674 break;
11675 case OPC_PRECEQU_PH_QBR:
11676 check_dsp(ctx);
11677 gen_helper_precequ_ph_qbr(cpu_gpr[ret], v2_t);
11678 break;
11679 case OPC_PRECEQU_PH_QBLA:
11680 check_dsp(ctx);
11681 gen_helper_precequ_ph_qbla(cpu_gpr[ret], v2_t);
11682 break;
11683 case OPC_PRECEQU_PH_QBRA:
11684 check_dsp(ctx);
11685 gen_helper_precequ_ph_qbra(cpu_gpr[ret], v2_t);
11686 break;
11687 case OPC_PRECEU_PH_QBL:
11688 check_dsp(ctx);
11689 gen_helper_preceu_ph_qbl(cpu_gpr[ret], v2_t);
11690 break;
11691 case OPC_PRECEU_PH_QBR:
11692 check_dsp(ctx);
11693 gen_helper_preceu_ph_qbr(cpu_gpr[ret], v2_t);
11694 break;
11695 case OPC_PRECEU_PH_QBLA:
11696 check_dsp(ctx);
11697 gen_helper_preceu_ph_qbla(cpu_gpr[ret], v2_t);
11698 break;
11699 case OPC_PRECEU_PH_QBRA:
11700 check_dsp(ctx);
11701 gen_helper_preceu_ph_qbra(cpu_gpr[ret], v2_t);
11702 break;
11703 }
11704 break;
11705 case OPC_ADDU_QB_DSP:
11706 switch (op2) {
11707 case OPC_ADDQ_PH:
11708 check_dsp(ctx);
11709 gen_helper_addq_ph(cpu_gpr[ret], v1_t, v2_t, tcg_env);
11710 break;
11711 case OPC_ADDQ_S_PH:
11712 check_dsp(ctx);
11713 gen_helper_addq_s_ph(cpu_gpr[ret], v1_t, v2_t, tcg_env);
11714 break;
11715 case OPC_ADDQ_S_W:
11716 check_dsp(ctx);
11717 gen_helper_addq_s_w(cpu_gpr[ret], v1_t, v2_t, tcg_env);
11718 break;
11719 case OPC_ADDU_QB:
11720 check_dsp(ctx);
11721 gen_helper_addu_qb(cpu_gpr[ret], v1_t, v2_t, tcg_env);
11722 break;
11723 case OPC_ADDU_S_QB:
11724 check_dsp(ctx);
11725 gen_helper_addu_s_qb(cpu_gpr[ret], v1_t, v2_t, tcg_env);
11726 break;
11727 case OPC_ADDU_PH:
11728 check_dsp_r2(ctx);
11729 gen_helper_addu_ph(cpu_gpr[ret], v1_t, v2_t, tcg_env);
11730 break;
11731 case OPC_ADDU_S_PH:
11732 check_dsp_r2(ctx);
11733 gen_helper_addu_s_ph(cpu_gpr[ret], v1_t, v2_t, tcg_env);
11734 break;
11735 case OPC_SUBQ_PH:
11736 check_dsp(ctx);
11737 gen_helper_subq_ph(cpu_gpr[ret], v1_t, v2_t, tcg_env);
11738 break;
11739 case OPC_SUBQ_S_PH:
11740 check_dsp(ctx);
11741 gen_helper_subq_s_ph(cpu_gpr[ret], v1_t, v2_t, tcg_env);
11742 break;
11743 case OPC_SUBQ_S_W:
11744 check_dsp(ctx);
11745 gen_helper_subq_s_w(cpu_gpr[ret], v1_t, v2_t, tcg_env);
11746 break;
11747 case OPC_SUBU_QB:
11748 check_dsp(ctx);
11749 gen_helper_subu_qb(cpu_gpr[ret], v1_t, v2_t, tcg_env);
11750 break;
11751 case OPC_SUBU_S_QB:
11752 check_dsp(ctx);
11753 gen_helper_subu_s_qb(cpu_gpr[ret], v1_t, v2_t, tcg_env);
11754 break;
11755 case OPC_SUBU_PH:
11756 check_dsp_r2(ctx);
11757 gen_helper_subu_ph(cpu_gpr[ret], v1_t, v2_t, tcg_env);
11758 break;
11759 case OPC_SUBU_S_PH:
11760 check_dsp_r2(ctx);
11761 gen_helper_subu_s_ph(cpu_gpr[ret], v1_t, v2_t, tcg_env);
11762 break;
11763 case OPC_ADDSC:
11764 check_dsp(ctx);
11765 gen_helper_addsc(cpu_gpr[ret], v1_t, v2_t, tcg_env);
11766 break;
11767 case OPC_ADDWC:
11768 check_dsp(ctx);
11769 gen_helper_addwc(cpu_gpr[ret], v1_t, v2_t, tcg_env);
11770 break;
11771 case OPC_MODSUB:
11772 check_dsp(ctx);
11773 gen_helper_modsub(cpu_gpr[ret], v1_t, v2_t);
11774 break;
11775 case OPC_RADDU_W_QB:
11776 check_dsp(ctx);
11777 gen_helper_raddu_w_qb(cpu_gpr[ret], v1_t);
11778 break;
11779 }
11780 break;
11781 case OPC_CMPU_EQ_QB_DSP:
11782 switch (op2) {
11783 case OPC_PRECR_QB_PH:
11784 check_dsp_r2(ctx);
11785 gen_helper_precr_qb_ph(cpu_gpr[ret], v1_t, v2_t);
11786 break;
11787 case OPC_PRECRQ_QB_PH:
11788 check_dsp(ctx);
11789 gen_helper_precrq_qb_ph(cpu_gpr[ret], v1_t, v2_t);
11790 break;
11791 case OPC_PRECR_SRA_PH_W:
11792 check_dsp_r2(ctx);
11793 {
11794 TCGv_i32 sa_t = tcg_constant_i32(v2);
11795 gen_helper_precr_sra_ph_w(cpu_gpr[ret], sa_t, v1_t,
11796 cpu_gpr[ret]);
11797 break;
11798 }
11799 case OPC_PRECR_SRA_R_PH_W:
11800 check_dsp_r2(ctx);
11801 {
11802 TCGv_i32 sa_t = tcg_constant_i32(v2);
11803 gen_helper_precr_sra_r_ph_w(cpu_gpr[ret], sa_t, v1_t,
11804 cpu_gpr[ret]);
11805 break;
11806 }
11807 case OPC_PRECRQ_PH_W:
11808 check_dsp(ctx);
11809 gen_helper_precrq_ph_w(cpu_gpr[ret], v1_t, v2_t);
11810 break;
11811 case OPC_PRECRQ_RS_PH_W:
11812 check_dsp(ctx);
11813 gen_helper_precrq_rs_ph_w(cpu_gpr[ret], v1_t, v2_t, tcg_env);
11814 break;
11815 case OPC_PRECRQU_S_QB_PH:
11816 check_dsp(ctx);
11817 gen_helper_precrqu_s_qb_ph(cpu_gpr[ret], v1_t, v2_t, tcg_env);
11818 break;
11819 }
11820 break;
11821 #ifdef TARGET_MIPS64
11822 case OPC_ABSQ_S_QH_DSP:
11823 switch (op2) {
11824 case OPC_PRECEQ_L_PWL:
11825 check_dsp(ctx);
11826 tcg_gen_andi_tl(cpu_gpr[ret], v2_t, 0xFFFFFFFF00000000ull);
11827 break;
11828 case OPC_PRECEQ_L_PWR:
11829 check_dsp(ctx);
11830 tcg_gen_shli_tl(cpu_gpr[ret], v2_t, 32);
11831 break;
11832 case OPC_PRECEQ_PW_QHL:
11833 check_dsp(ctx);
11834 gen_helper_preceq_pw_qhl(cpu_gpr[ret], v2_t);
11835 break;
11836 case OPC_PRECEQ_PW_QHR:
11837 check_dsp(ctx);
11838 gen_helper_preceq_pw_qhr(cpu_gpr[ret], v2_t);
11839 break;
11840 case OPC_PRECEQ_PW_QHLA:
11841 check_dsp(ctx);
11842 gen_helper_preceq_pw_qhla(cpu_gpr[ret], v2_t);
11843 break;
11844 case OPC_PRECEQ_PW_QHRA:
11845 check_dsp(ctx);
11846 gen_helper_preceq_pw_qhra(cpu_gpr[ret], v2_t);
11847 break;
11848 case OPC_PRECEQU_QH_OBL:
11849 check_dsp(ctx);
11850 gen_helper_precequ_qh_obl(cpu_gpr[ret], v2_t);
11851 break;
11852 case OPC_PRECEQU_QH_OBR:
11853 check_dsp(ctx);
11854 gen_helper_precequ_qh_obr(cpu_gpr[ret], v2_t);
11855 break;
11856 case OPC_PRECEQU_QH_OBLA:
11857 check_dsp(ctx);
11858 gen_helper_precequ_qh_obla(cpu_gpr[ret], v2_t);
11859 break;
11860 case OPC_PRECEQU_QH_OBRA:
11861 check_dsp(ctx);
11862 gen_helper_precequ_qh_obra(cpu_gpr[ret], v2_t);
11863 break;
11864 case OPC_PRECEU_QH_OBL:
11865 check_dsp(ctx);
11866 gen_helper_preceu_qh_obl(cpu_gpr[ret], v2_t);
11867 break;
11868 case OPC_PRECEU_QH_OBR:
11869 check_dsp(ctx);
11870 gen_helper_preceu_qh_obr(cpu_gpr[ret], v2_t);
11871 break;
11872 case OPC_PRECEU_QH_OBLA:
11873 check_dsp(ctx);
11874 gen_helper_preceu_qh_obla(cpu_gpr[ret], v2_t);
11875 break;
11876 case OPC_PRECEU_QH_OBRA:
11877 check_dsp(ctx);
11878 gen_helper_preceu_qh_obra(cpu_gpr[ret], v2_t);
11879 break;
11880 case OPC_ABSQ_S_OB:
11881 check_dsp_r2(ctx);
11882 gen_helper_absq_s_ob(cpu_gpr[ret], v2_t, tcg_env);
11883 break;
11884 case OPC_ABSQ_S_PW:
11885 check_dsp(ctx);
11886 gen_helper_absq_s_pw(cpu_gpr[ret], v2_t, tcg_env);
11887 break;
11888 case OPC_ABSQ_S_QH:
11889 check_dsp(ctx);
11890 gen_helper_absq_s_qh(cpu_gpr[ret], v2_t, tcg_env);
11891 break;
11892 }
11893 break;
11894 case OPC_ADDU_OB_DSP:
11895 switch (op2) {
11896 case OPC_RADDU_L_OB:
11897 check_dsp(ctx);
11898 gen_helper_raddu_l_ob(cpu_gpr[ret], v1_t);
11899 break;
11900 case OPC_SUBQ_PW:
11901 check_dsp(ctx);
11902 gen_helper_subq_pw(cpu_gpr[ret], v1_t, v2_t, tcg_env);
11903 break;
11904 case OPC_SUBQ_S_PW:
11905 check_dsp(ctx);
11906 gen_helper_subq_s_pw(cpu_gpr[ret], v1_t, v2_t, tcg_env);
11907 break;
11908 case OPC_SUBQ_QH:
11909 check_dsp(ctx);
11910 gen_helper_subq_qh(cpu_gpr[ret], v1_t, v2_t, tcg_env);
11911 break;
11912 case OPC_SUBQ_S_QH:
11913 check_dsp(ctx);
11914 gen_helper_subq_s_qh(cpu_gpr[ret], v1_t, v2_t, tcg_env);
11915 break;
11916 case OPC_SUBU_OB:
11917 check_dsp(ctx);
11918 gen_helper_subu_ob(cpu_gpr[ret], v1_t, v2_t, tcg_env);
11919 break;
11920 case OPC_SUBU_S_OB:
11921 check_dsp(ctx);
11922 gen_helper_subu_s_ob(cpu_gpr[ret], v1_t, v2_t, tcg_env);
11923 break;
11924 case OPC_SUBU_QH:
11925 check_dsp_r2(ctx);
11926 gen_helper_subu_qh(cpu_gpr[ret], v1_t, v2_t, tcg_env);
11927 break;
11928 case OPC_SUBU_S_QH:
11929 check_dsp_r2(ctx);
11930 gen_helper_subu_s_qh(cpu_gpr[ret], v1_t, v2_t, tcg_env);
11931 break;
11932 case OPC_SUBUH_OB:
11933 check_dsp_r2(ctx);
11934 gen_helper_subuh_ob(cpu_gpr[ret], v1_t, v2_t);
11935 break;
11936 case OPC_SUBUH_R_OB:
11937 check_dsp_r2(ctx);
11938 gen_helper_subuh_r_ob(cpu_gpr[ret], v1_t, v2_t);
11939 break;
11940 case OPC_ADDQ_PW:
11941 check_dsp(ctx);
11942 gen_helper_addq_pw(cpu_gpr[ret], v1_t, v2_t, tcg_env);
11943 break;
11944 case OPC_ADDQ_S_PW:
11945 check_dsp(ctx);
11946 gen_helper_addq_s_pw(cpu_gpr[ret], v1_t, v2_t, tcg_env);
11947 break;
11948 case OPC_ADDQ_QH:
11949 check_dsp(ctx);
11950 gen_helper_addq_qh(cpu_gpr[ret], v1_t, v2_t, tcg_env);
11951 break;
11952 case OPC_ADDQ_S_QH:
11953 check_dsp(ctx);
11954 gen_helper_addq_s_qh(cpu_gpr[ret], v1_t, v2_t, tcg_env);
11955 break;
11956 case OPC_ADDU_OB:
11957 check_dsp(ctx);
11958 gen_helper_addu_ob(cpu_gpr[ret], v1_t, v2_t, tcg_env);
11959 break;
11960 case OPC_ADDU_S_OB:
11961 check_dsp(ctx);
11962 gen_helper_addu_s_ob(cpu_gpr[ret], v1_t, v2_t, tcg_env);
11963 break;
11964 case OPC_ADDU_QH:
11965 check_dsp_r2(ctx);
11966 gen_helper_addu_qh(cpu_gpr[ret], v1_t, v2_t, tcg_env);
11967 break;
11968 case OPC_ADDU_S_QH:
11969 check_dsp_r2(ctx);
11970 gen_helper_addu_s_qh(cpu_gpr[ret], v1_t, v2_t, tcg_env);
11971 break;
11972 case OPC_ADDUH_OB:
11973 check_dsp_r2(ctx);
11974 gen_helper_adduh_ob(cpu_gpr[ret], v1_t, v2_t);
11975 break;
11976 case OPC_ADDUH_R_OB:
11977 check_dsp_r2(ctx);
11978 gen_helper_adduh_r_ob(cpu_gpr[ret], v1_t, v2_t);
11979 break;
11980 }
11981 break;
11982 case OPC_CMPU_EQ_OB_DSP:
11983 switch (op2) {
11984 case OPC_PRECR_OB_QH:
11985 check_dsp_r2(ctx);
11986 gen_helper_precr_ob_qh(cpu_gpr[ret], v1_t, v2_t);
11987 break;
11988 case OPC_PRECR_SRA_QH_PW:
11989 check_dsp_r2(ctx);
11990 {
11991 TCGv_i32 ret_t = tcg_constant_i32(ret);
11992 gen_helper_precr_sra_qh_pw(v2_t, v1_t, v2_t, ret_t);
11993 break;
11994 }
11995 case OPC_PRECR_SRA_R_QH_PW:
11996 check_dsp_r2(ctx);
11997 {
11998 TCGv_i32 sa_v = tcg_constant_i32(ret);
11999 gen_helper_precr_sra_r_qh_pw(v2_t, v1_t, v2_t, sa_v);
12000 break;
12001 }
12002 case OPC_PRECRQ_OB_QH:
12003 check_dsp(ctx);
12004 gen_helper_precrq_ob_qh(cpu_gpr[ret], v1_t, v2_t);
12005 break;
12006 case OPC_PRECRQ_PW_L:
12007 check_dsp(ctx);
12008 gen_helper_precrq_pw_l(cpu_gpr[ret], v1_t, v2_t);
12009 break;
12010 case OPC_PRECRQ_QH_PW:
12011 check_dsp(ctx);
12012 gen_helper_precrq_qh_pw(cpu_gpr[ret], v1_t, v2_t);
12013 break;
12014 case OPC_PRECRQ_RS_QH_PW:
12015 check_dsp(ctx);
12016 gen_helper_precrq_rs_qh_pw(cpu_gpr[ret], v1_t, v2_t, tcg_env);
12017 break;
12018 case OPC_PRECRQU_S_OB_QH:
12019 check_dsp(ctx);
12020 gen_helper_precrqu_s_ob_qh(cpu_gpr[ret], v1_t, v2_t, tcg_env);
12021 break;
12022 }
12023 break;
12024 #endif
12025 }
12026 }
12027
gen_mipsdsp_shift(DisasContext * ctx,uint32_t opc,int ret,int v1,int v2)12028 static void gen_mipsdsp_shift(DisasContext *ctx, uint32_t opc,
12029 int ret, int v1, int v2)
12030 {
12031 uint32_t op2;
12032 TCGv t0;
12033 TCGv v1_t;
12034 TCGv v2_t;
12035
12036 if (ret == 0) {
12037 /* Treat as NOP. */
12038 return;
12039 }
12040
12041 t0 = tcg_temp_new();
12042 v1_t = tcg_temp_new();
12043 v2_t = tcg_temp_new();
12044
12045 tcg_gen_movi_tl(t0, v1);
12046 gen_load_gpr(v1_t, v1);
12047 gen_load_gpr(v2_t, v2);
12048
12049 switch (opc) {
12050 case OPC_SHLL_QB_DSP:
12051 {
12052 op2 = MASK_SHLL_QB(ctx->opcode);
12053 switch (op2) {
12054 case OPC_SHLL_QB:
12055 check_dsp(ctx);
12056 gen_helper_shll_qb(cpu_gpr[ret], t0, v2_t, tcg_env);
12057 break;
12058 case OPC_SHLLV_QB:
12059 check_dsp(ctx);
12060 gen_helper_shll_qb(cpu_gpr[ret], v1_t, v2_t, tcg_env);
12061 break;
12062 case OPC_SHLL_PH:
12063 check_dsp(ctx);
12064 gen_helper_shll_ph(cpu_gpr[ret], t0, v2_t, tcg_env);
12065 break;
12066 case OPC_SHLLV_PH:
12067 check_dsp(ctx);
12068 gen_helper_shll_ph(cpu_gpr[ret], v1_t, v2_t, tcg_env);
12069 break;
12070 case OPC_SHLL_S_PH:
12071 check_dsp(ctx);
12072 gen_helper_shll_s_ph(cpu_gpr[ret], t0, v2_t, tcg_env);
12073 break;
12074 case OPC_SHLLV_S_PH:
12075 check_dsp(ctx);
12076 gen_helper_shll_s_ph(cpu_gpr[ret], v1_t, v2_t, tcg_env);
12077 break;
12078 case OPC_SHLL_S_W:
12079 check_dsp(ctx);
12080 gen_helper_shll_s_w(cpu_gpr[ret], t0, v2_t, tcg_env);
12081 break;
12082 case OPC_SHLLV_S_W:
12083 check_dsp(ctx);
12084 gen_helper_shll_s_w(cpu_gpr[ret], v1_t, v2_t, tcg_env);
12085 break;
12086 case OPC_SHRL_QB:
12087 check_dsp(ctx);
12088 gen_helper_shrl_qb(cpu_gpr[ret], t0, v2_t);
12089 break;
12090 case OPC_SHRLV_QB:
12091 check_dsp(ctx);
12092 gen_helper_shrl_qb(cpu_gpr[ret], v1_t, v2_t);
12093 break;
12094 case OPC_SHRL_PH:
12095 check_dsp_r2(ctx);
12096 gen_helper_shrl_ph(cpu_gpr[ret], t0, v2_t);
12097 break;
12098 case OPC_SHRLV_PH:
12099 check_dsp_r2(ctx);
12100 gen_helper_shrl_ph(cpu_gpr[ret], v1_t, v2_t);
12101 break;
12102 case OPC_SHRA_QB:
12103 check_dsp_r2(ctx);
12104 gen_helper_shra_qb(cpu_gpr[ret], t0, v2_t);
12105 break;
12106 case OPC_SHRA_R_QB:
12107 check_dsp_r2(ctx);
12108 gen_helper_shra_r_qb(cpu_gpr[ret], t0, v2_t);
12109 break;
12110 case OPC_SHRAV_QB:
12111 check_dsp_r2(ctx);
12112 gen_helper_shra_qb(cpu_gpr[ret], v1_t, v2_t);
12113 break;
12114 case OPC_SHRAV_R_QB:
12115 check_dsp_r2(ctx);
12116 gen_helper_shra_r_qb(cpu_gpr[ret], v1_t, v2_t);
12117 break;
12118 case OPC_SHRA_PH:
12119 check_dsp(ctx);
12120 gen_helper_shra_ph(cpu_gpr[ret], t0, v2_t);
12121 break;
12122 case OPC_SHRA_R_PH:
12123 check_dsp(ctx);
12124 gen_helper_shra_r_ph(cpu_gpr[ret], t0, v2_t);
12125 break;
12126 case OPC_SHRAV_PH:
12127 check_dsp(ctx);
12128 gen_helper_shra_ph(cpu_gpr[ret], v1_t, v2_t);
12129 break;
12130 case OPC_SHRAV_R_PH:
12131 check_dsp(ctx);
12132 gen_helper_shra_r_ph(cpu_gpr[ret], v1_t, v2_t);
12133 break;
12134 case OPC_SHRA_R_W:
12135 check_dsp(ctx);
12136 gen_helper_shra_r_w(cpu_gpr[ret], t0, v2_t);
12137 break;
12138 case OPC_SHRAV_R_W:
12139 check_dsp(ctx);
12140 gen_helper_shra_r_w(cpu_gpr[ret], v1_t, v2_t);
12141 break;
12142 default: /* Invalid */
12143 MIPS_INVAL("MASK SHLL.QB");
12144 gen_reserved_instruction(ctx);
12145 break;
12146 }
12147 break;
12148 }
12149 #ifdef TARGET_MIPS64
12150 case OPC_SHLL_OB_DSP:
12151 op2 = MASK_SHLL_OB(ctx->opcode);
12152 switch (op2) {
12153 case OPC_SHLL_PW:
12154 check_dsp(ctx);
12155 gen_helper_shll_pw(cpu_gpr[ret], v2_t, t0, tcg_env);
12156 break;
12157 case OPC_SHLLV_PW:
12158 check_dsp(ctx);
12159 gen_helper_shll_pw(cpu_gpr[ret], v2_t, v1_t, tcg_env);
12160 break;
12161 case OPC_SHLL_S_PW:
12162 check_dsp(ctx);
12163 gen_helper_shll_s_pw(cpu_gpr[ret], v2_t, t0, tcg_env);
12164 break;
12165 case OPC_SHLLV_S_PW:
12166 check_dsp(ctx);
12167 gen_helper_shll_s_pw(cpu_gpr[ret], v2_t, v1_t, tcg_env);
12168 break;
12169 case OPC_SHLL_OB:
12170 check_dsp(ctx);
12171 gen_helper_shll_ob(cpu_gpr[ret], v2_t, t0, tcg_env);
12172 break;
12173 case OPC_SHLLV_OB:
12174 check_dsp(ctx);
12175 gen_helper_shll_ob(cpu_gpr[ret], v2_t, v1_t, tcg_env);
12176 break;
12177 case OPC_SHLL_QH:
12178 check_dsp(ctx);
12179 gen_helper_shll_qh(cpu_gpr[ret], v2_t, t0, tcg_env);
12180 break;
12181 case OPC_SHLLV_QH:
12182 check_dsp(ctx);
12183 gen_helper_shll_qh(cpu_gpr[ret], v2_t, v1_t, tcg_env);
12184 break;
12185 case OPC_SHLL_S_QH:
12186 check_dsp(ctx);
12187 gen_helper_shll_s_qh(cpu_gpr[ret], v2_t, t0, tcg_env);
12188 break;
12189 case OPC_SHLLV_S_QH:
12190 check_dsp(ctx);
12191 gen_helper_shll_s_qh(cpu_gpr[ret], v2_t, v1_t, tcg_env);
12192 break;
12193 case OPC_SHRA_OB:
12194 check_dsp_r2(ctx);
12195 gen_helper_shra_ob(cpu_gpr[ret], v2_t, t0);
12196 break;
12197 case OPC_SHRAV_OB:
12198 check_dsp_r2(ctx);
12199 gen_helper_shra_ob(cpu_gpr[ret], v2_t, v1_t);
12200 break;
12201 case OPC_SHRA_R_OB:
12202 check_dsp_r2(ctx);
12203 gen_helper_shra_r_ob(cpu_gpr[ret], v2_t, t0);
12204 break;
12205 case OPC_SHRAV_R_OB:
12206 check_dsp_r2(ctx);
12207 gen_helper_shra_r_ob(cpu_gpr[ret], v2_t, v1_t);
12208 break;
12209 case OPC_SHRA_PW:
12210 check_dsp(ctx);
12211 gen_helper_shra_pw(cpu_gpr[ret], v2_t, t0);
12212 break;
12213 case OPC_SHRAV_PW:
12214 check_dsp(ctx);
12215 gen_helper_shra_pw(cpu_gpr[ret], v2_t, v1_t);
12216 break;
12217 case OPC_SHRA_R_PW:
12218 check_dsp(ctx);
12219 gen_helper_shra_r_pw(cpu_gpr[ret], v2_t, t0);
12220 break;
12221 case OPC_SHRAV_R_PW:
12222 check_dsp(ctx);
12223 gen_helper_shra_r_pw(cpu_gpr[ret], v2_t, v1_t);
12224 break;
12225 case OPC_SHRA_QH:
12226 check_dsp(ctx);
12227 gen_helper_shra_qh(cpu_gpr[ret], v2_t, t0);
12228 break;
12229 case OPC_SHRAV_QH:
12230 check_dsp(ctx);
12231 gen_helper_shra_qh(cpu_gpr[ret], v2_t, v1_t);
12232 break;
12233 case OPC_SHRA_R_QH:
12234 check_dsp(ctx);
12235 gen_helper_shra_r_qh(cpu_gpr[ret], v2_t, t0);
12236 break;
12237 case OPC_SHRAV_R_QH:
12238 check_dsp(ctx);
12239 gen_helper_shra_r_qh(cpu_gpr[ret], v2_t, v1_t);
12240 break;
12241 case OPC_SHRL_OB:
12242 check_dsp(ctx);
12243 gen_helper_shrl_ob(cpu_gpr[ret], v2_t, t0);
12244 break;
12245 case OPC_SHRLV_OB:
12246 check_dsp(ctx);
12247 gen_helper_shrl_ob(cpu_gpr[ret], v2_t, v1_t);
12248 break;
12249 case OPC_SHRL_QH:
12250 check_dsp_r2(ctx);
12251 gen_helper_shrl_qh(cpu_gpr[ret], v2_t, t0);
12252 break;
12253 case OPC_SHRLV_QH:
12254 check_dsp_r2(ctx);
12255 gen_helper_shrl_qh(cpu_gpr[ret], v2_t, v1_t);
12256 break;
12257 default: /* Invalid */
12258 MIPS_INVAL("MASK SHLL.OB");
12259 gen_reserved_instruction(ctx);
12260 break;
12261 }
12262 break;
12263 #endif
12264 }
12265 }
12266
gen_mipsdsp_multiply(DisasContext * ctx,uint32_t op1,uint32_t op2,int ret,int v1,int v2,int check_ret)12267 static void gen_mipsdsp_multiply(DisasContext *ctx, uint32_t op1, uint32_t op2,
12268 int ret, int v1, int v2, int check_ret)
12269 {
12270 TCGv_i32 t0;
12271 TCGv v1_t;
12272 TCGv v2_t;
12273
12274 if ((ret == 0) && (check_ret == 1)) {
12275 /* Treat as NOP. */
12276 return;
12277 }
12278
12279 t0 = tcg_temp_new_i32();
12280 v1_t = tcg_temp_new();
12281 v2_t = tcg_temp_new();
12282
12283 tcg_gen_movi_i32(t0, ret);
12284 gen_load_gpr(v1_t, v1);
12285 gen_load_gpr(v2_t, v2);
12286
12287 switch (op1) {
12288 /*
12289 * OPC_MULT_G_2E, OPC_ADDUH_QB_DSP, OPC_MUL_PH_DSP have
12290 * the same mask and op1.
12291 */
12292 case OPC_MULT_G_2E:
12293 check_dsp_r2(ctx);
12294 switch (op2) {
12295 case OPC_MUL_PH:
12296 gen_helper_mul_ph(cpu_gpr[ret], v1_t, v2_t, tcg_env);
12297 break;
12298 case OPC_MUL_S_PH:
12299 gen_helper_mul_s_ph(cpu_gpr[ret], v1_t, v2_t, tcg_env);
12300 break;
12301 case OPC_MULQ_S_W:
12302 gen_helper_mulq_s_w(cpu_gpr[ret], v1_t, v2_t, tcg_env);
12303 break;
12304 case OPC_MULQ_RS_W:
12305 gen_helper_mulq_rs_w(cpu_gpr[ret], v1_t, v2_t, tcg_env);
12306 break;
12307 }
12308 break;
12309 case OPC_DPA_W_PH_DSP:
12310 switch (op2) {
12311 case OPC_DPAU_H_QBL:
12312 check_dsp(ctx);
12313 gen_helper_dpau_h_qbl(t0, v1_t, v2_t, tcg_env);
12314 break;
12315 case OPC_DPAU_H_QBR:
12316 check_dsp(ctx);
12317 gen_helper_dpau_h_qbr(t0, v1_t, v2_t, tcg_env);
12318 break;
12319 case OPC_DPSU_H_QBL:
12320 check_dsp(ctx);
12321 gen_helper_dpsu_h_qbl(t0, v1_t, v2_t, tcg_env);
12322 break;
12323 case OPC_DPSU_H_QBR:
12324 check_dsp(ctx);
12325 gen_helper_dpsu_h_qbr(t0, v1_t, v2_t, tcg_env);
12326 break;
12327 case OPC_DPA_W_PH:
12328 check_dsp_r2(ctx);
12329 gen_helper_dpa_w_ph(t0, v1_t, v2_t, tcg_env);
12330 break;
12331 case OPC_DPAX_W_PH:
12332 check_dsp_r2(ctx);
12333 gen_helper_dpax_w_ph(t0, v1_t, v2_t, tcg_env);
12334 break;
12335 case OPC_DPAQ_S_W_PH:
12336 check_dsp(ctx);
12337 gen_helper_dpaq_s_w_ph(t0, v1_t, v2_t, tcg_env);
12338 break;
12339 case OPC_DPAQX_S_W_PH:
12340 check_dsp_r2(ctx);
12341 gen_helper_dpaqx_s_w_ph(t0, v1_t, v2_t, tcg_env);
12342 break;
12343 case OPC_DPAQX_SA_W_PH:
12344 check_dsp_r2(ctx);
12345 gen_helper_dpaqx_sa_w_ph(t0, v1_t, v2_t, tcg_env);
12346 break;
12347 case OPC_DPS_W_PH:
12348 check_dsp_r2(ctx);
12349 gen_helper_dps_w_ph(t0, v1_t, v2_t, tcg_env);
12350 break;
12351 case OPC_DPSX_W_PH:
12352 check_dsp_r2(ctx);
12353 gen_helper_dpsx_w_ph(t0, v1_t, v2_t, tcg_env);
12354 break;
12355 case OPC_DPSQ_S_W_PH:
12356 check_dsp(ctx);
12357 gen_helper_dpsq_s_w_ph(t0, v1_t, v2_t, tcg_env);
12358 break;
12359 case OPC_DPSQX_S_W_PH:
12360 check_dsp_r2(ctx);
12361 gen_helper_dpsqx_s_w_ph(t0, v1_t, v2_t, tcg_env);
12362 break;
12363 case OPC_DPSQX_SA_W_PH:
12364 check_dsp_r2(ctx);
12365 gen_helper_dpsqx_sa_w_ph(t0, v1_t, v2_t, tcg_env);
12366 break;
12367 case OPC_MULSAQ_S_W_PH:
12368 check_dsp(ctx);
12369 gen_helper_mulsaq_s_w_ph(t0, v1_t, v2_t, tcg_env);
12370 break;
12371 case OPC_DPAQ_SA_L_W:
12372 check_dsp(ctx);
12373 gen_helper_dpaq_sa_l_w(t0, v1_t, v2_t, tcg_env);
12374 break;
12375 case OPC_DPSQ_SA_L_W:
12376 check_dsp(ctx);
12377 gen_helper_dpsq_sa_l_w(t0, v1_t, v2_t, tcg_env);
12378 break;
12379 case OPC_MAQ_S_W_PHL:
12380 check_dsp(ctx);
12381 gen_helper_maq_s_w_phl(t0, v1_t, v2_t, tcg_env);
12382 break;
12383 case OPC_MAQ_S_W_PHR:
12384 check_dsp(ctx);
12385 gen_helper_maq_s_w_phr(t0, v1_t, v2_t, tcg_env);
12386 break;
12387 case OPC_MAQ_SA_W_PHL:
12388 check_dsp(ctx);
12389 gen_helper_maq_sa_w_phl(t0, v1_t, v2_t, tcg_env);
12390 break;
12391 case OPC_MAQ_SA_W_PHR:
12392 check_dsp(ctx);
12393 gen_helper_maq_sa_w_phr(t0, v1_t, v2_t, tcg_env);
12394 break;
12395 case OPC_MULSA_W_PH:
12396 check_dsp_r2(ctx);
12397 gen_helper_mulsa_w_ph(t0, v1_t, v2_t, tcg_env);
12398 break;
12399 }
12400 break;
12401 #ifdef TARGET_MIPS64
12402 case OPC_DPAQ_W_QH_DSP:
12403 {
12404 int ac = ret & 0x03;
12405 tcg_gen_movi_i32(t0, ac);
12406
12407 switch (op2) {
12408 case OPC_DMADD:
12409 check_dsp(ctx);
12410 gen_helper_dmadd(v1_t, v2_t, t0, tcg_env);
12411 break;
12412 case OPC_DMADDU:
12413 check_dsp(ctx);
12414 gen_helper_dmaddu(v1_t, v2_t, t0, tcg_env);
12415 break;
12416 case OPC_DMSUB:
12417 check_dsp(ctx);
12418 gen_helper_dmsub(v1_t, v2_t, t0, tcg_env);
12419 break;
12420 case OPC_DMSUBU:
12421 check_dsp(ctx);
12422 gen_helper_dmsubu(v1_t, v2_t, t0, tcg_env);
12423 break;
12424 case OPC_DPA_W_QH:
12425 check_dsp_r2(ctx);
12426 gen_helper_dpa_w_qh(v1_t, v2_t, t0, tcg_env);
12427 break;
12428 case OPC_DPAQ_S_W_QH:
12429 check_dsp(ctx);
12430 gen_helper_dpaq_s_w_qh(v1_t, v2_t, t0, tcg_env);
12431 break;
12432 case OPC_DPAQ_SA_L_PW:
12433 check_dsp(ctx);
12434 gen_helper_dpaq_sa_l_pw(v1_t, v2_t, t0, tcg_env);
12435 break;
12436 case OPC_DPAU_H_OBL:
12437 check_dsp(ctx);
12438 gen_helper_dpau_h_obl(v1_t, v2_t, t0, tcg_env);
12439 break;
12440 case OPC_DPAU_H_OBR:
12441 check_dsp(ctx);
12442 gen_helper_dpau_h_obr(v1_t, v2_t, t0, tcg_env);
12443 break;
12444 case OPC_DPS_W_QH:
12445 check_dsp_r2(ctx);
12446 gen_helper_dps_w_qh(v1_t, v2_t, t0, tcg_env);
12447 break;
12448 case OPC_DPSQ_S_W_QH:
12449 check_dsp(ctx);
12450 gen_helper_dpsq_s_w_qh(v1_t, v2_t, t0, tcg_env);
12451 break;
12452 case OPC_DPSQ_SA_L_PW:
12453 check_dsp(ctx);
12454 gen_helper_dpsq_sa_l_pw(v1_t, v2_t, t0, tcg_env);
12455 break;
12456 case OPC_DPSU_H_OBL:
12457 check_dsp(ctx);
12458 gen_helper_dpsu_h_obl(v1_t, v2_t, t0, tcg_env);
12459 break;
12460 case OPC_DPSU_H_OBR:
12461 check_dsp(ctx);
12462 gen_helper_dpsu_h_obr(v1_t, v2_t, t0, tcg_env);
12463 break;
12464 case OPC_MAQ_S_L_PWL:
12465 check_dsp(ctx);
12466 gen_helper_maq_s_l_pwl(v1_t, v2_t, t0, tcg_env);
12467 break;
12468 case OPC_MAQ_S_L_PWR:
12469 check_dsp(ctx);
12470 gen_helper_maq_s_l_pwr(v1_t, v2_t, t0, tcg_env);
12471 break;
12472 case OPC_MAQ_S_W_QHLL:
12473 check_dsp(ctx);
12474 gen_helper_maq_s_w_qhll(v1_t, v2_t, t0, tcg_env);
12475 break;
12476 case OPC_MAQ_SA_W_QHLL:
12477 check_dsp(ctx);
12478 gen_helper_maq_sa_w_qhll(v1_t, v2_t, t0, tcg_env);
12479 break;
12480 case OPC_MAQ_S_W_QHLR:
12481 check_dsp(ctx);
12482 gen_helper_maq_s_w_qhlr(v1_t, v2_t, t0, tcg_env);
12483 break;
12484 case OPC_MAQ_SA_W_QHLR:
12485 check_dsp(ctx);
12486 gen_helper_maq_sa_w_qhlr(v1_t, v2_t, t0, tcg_env);
12487 break;
12488 case OPC_MAQ_S_W_QHRL:
12489 check_dsp(ctx);
12490 gen_helper_maq_s_w_qhrl(v1_t, v2_t, t0, tcg_env);
12491 break;
12492 case OPC_MAQ_SA_W_QHRL:
12493 check_dsp(ctx);
12494 gen_helper_maq_sa_w_qhrl(v1_t, v2_t, t0, tcg_env);
12495 break;
12496 case OPC_MAQ_S_W_QHRR:
12497 check_dsp(ctx);
12498 gen_helper_maq_s_w_qhrr(v1_t, v2_t, t0, tcg_env);
12499 break;
12500 case OPC_MAQ_SA_W_QHRR:
12501 check_dsp(ctx);
12502 gen_helper_maq_sa_w_qhrr(v1_t, v2_t, t0, tcg_env);
12503 break;
12504 case OPC_MULSAQ_S_L_PW:
12505 check_dsp(ctx);
12506 gen_helper_mulsaq_s_l_pw(v1_t, v2_t, t0, tcg_env);
12507 break;
12508 case OPC_MULSAQ_S_W_QH:
12509 check_dsp(ctx);
12510 gen_helper_mulsaq_s_w_qh(v1_t, v2_t, t0, tcg_env);
12511 break;
12512 }
12513 }
12514 break;
12515 #endif
12516 case OPC_ADDU_QB_DSP:
12517 switch (op2) {
12518 case OPC_MULEU_S_PH_QBL:
12519 check_dsp(ctx);
12520 gen_helper_muleu_s_ph_qbl(cpu_gpr[ret], v1_t, v2_t, tcg_env);
12521 break;
12522 case OPC_MULEU_S_PH_QBR:
12523 check_dsp(ctx);
12524 gen_helper_muleu_s_ph_qbr(cpu_gpr[ret], v1_t, v2_t, tcg_env);
12525 break;
12526 case OPC_MULQ_RS_PH:
12527 check_dsp(ctx);
12528 gen_helper_mulq_rs_ph(cpu_gpr[ret], v1_t, v2_t, tcg_env);
12529 break;
12530 case OPC_MULEQ_S_W_PHL:
12531 check_dsp(ctx);
12532 gen_helper_muleq_s_w_phl(cpu_gpr[ret], v1_t, v2_t, tcg_env);
12533 break;
12534 case OPC_MULEQ_S_W_PHR:
12535 check_dsp(ctx);
12536 gen_helper_muleq_s_w_phr(cpu_gpr[ret], v1_t, v2_t, tcg_env);
12537 break;
12538 case OPC_MULQ_S_PH:
12539 check_dsp_r2(ctx);
12540 gen_helper_mulq_s_ph(cpu_gpr[ret], v1_t, v2_t, tcg_env);
12541 break;
12542 }
12543 break;
12544 #ifdef TARGET_MIPS64
12545 case OPC_ADDU_OB_DSP:
12546 switch (op2) {
12547 case OPC_MULEQ_S_PW_QHL:
12548 check_dsp(ctx);
12549 gen_helper_muleq_s_pw_qhl(cpu_gpr[ret], v1_t, v2_t, tcg_env);
12550 break;
12551 case OPC_MULEQ_S_PW_QHR:
12552 check_dsp(ctx);
12553 gen_helper_muleq_s_pw_qhr(cpu_gpr[ret], v1_t, v2_t, tcg_env);
12554 break;
12555 case OPC_MULEU_S_QH_OBL:
12556 check_dsp(ctx);
12557 gen_helper_muleu_s_qh_obl(cpu_gpr[ret], v1_t, v2_t, tcg_env);
12558 break;
12559 case OPC_MULEU_S_QH_OBR:
12560 check_dsp(ctx);
12561 gen_helper_muleu_s_qh_obr(cpu_gpr[ret], v1_t, v2_t, tcg_env);
12562 break;
12563 case OPC_MULQ_RS_QH:
12564 check_dsp(ctx);
12565 gen_helper_mulq_rs_qh(cpu_gpr[ret], v1_t, v2_t, tcg_env);
12566 break;
12567 }
12568 break;
12569 #endif
12570 }
12571 }
12572
gen_mipsdsp_bitinsn(DisasContext * ctx,uint32_t op1,uint32_t op2,int ret,int val)12573 static void gen_mipsdsp_bitinsn(DisasContext *ctx, uint32_t op1, uint32_t op2,
12574 int ret, int val)
12575 {
12576 int16_t imm;
12577 TCGv t0;
12578 TCGv val_t;
12579
12580 if (ret == 0) {
12581 /* Treat as NOP. */
12582 return;
12583 }
12584
12585 t0 = tcg_temp_new();
12586 val_t = tcg_temp_new();
12587 gen_load_gpr(val_t, val);
12588
12589 switch (op1) {
12590 case OPC_ABSQ_S_PH_DSP:
12591 switch (op2) {
12592 case OPC_BITREV:
12593 check_dsp(ctx);
12594 gen_helper_bitrev(cpu_gpr[ret], val_t);
12595 break;
12596 case OPC_REPL_QB:
12597 check_dsp(ctx);
12598 {
12599 target_long result;
12600 imm = (ctx->opcode >> 16) & 0xFF;
12601 result = (uint32_t)imm << 24 |
12602 (uint32_t)imm << 16 |
12603 (uint32_t)imm << 8 |
12604 (uint32_t)imm;
12605 result = (int32_t)result;
12606 tcg_gen_movi_tl(cpu_gpr[ret], result);
12607 }
12608 break;
12609 case OPC_REPLV_QB:
12610 check_dsp(ctx);
12611 tcg_gen_ext8u_tl(cpu_gpr[ret], val_t);
12612 tcg_gen_shli_tl(t0, cpu_gpr[ret], 8);
12613 tcg_gen_or_tl(cpu_gpr[ret], cpu_gpr[ret], t0);
12614 tcg_gen_shli_tl(t0, cpu_gpr[ret], 16);
12615 tcg_gen_or_tl(cpu_gpr[ret], cpu_gpr[ret], t0);
12616 tcg_gen_ext32s_tl(cpu_gpr[ret], cpu_gpr[ret]);
12617 break;
12618 case OPC_REPL_PH:
12619 check_dsp(ctx);
12620 {
12621 imm = (ctx->opcode >> 16) & 0x03FF;
12622 imm = (int16_t)(imm << 6) >> 6;
12623 tcg_gen_movi_tl(cpu_gpr[ret], \
12624 (target_long)((int32_t)imm << 16 | \
12625 (uint16_t)imm));
12626 }
12627 break;
12628 case OPC_REPLV_PH:
12629 check_dsp(ctx);
12630 tcg_gen_ext16u_tl(cpu_gpr[ret], val_t);
12631 tcg_gen_shli_tl(t0, cpu_gpr[ret], 16);
12632 tcg_gen_or_tl(cpu_gpr[ret], cpu_gpr[ret], t0);
12633 tcg_gen_ext32s_tl(cpu_gpr[ret], cpu_gpr[ret]);
12634 break;
12635 }
12636 break;
12637 #ifdef TARGET_MIPS64
12638 case OPC_ABSQ_S_QH_DSP:
12639 switch (op2) {
12640 case OPC_REPL_OB:
12641 check_dsp(ctx);
12642 {
12643 target_long temp;
12644
12645 imm = (ctx->opcode >> 16) & 0xFF;
12646 temp = ((uint64_t)imm << 8) | (uint64_t)imm;
12647 temp = (temp << 16) | temp;
12648 temp = (temp << 32) | temp;
12649 tcg_gen_movi_tl(cpu_gpr[ret], temp);
12650 break;
12651 }
12652 case OPC_REPL_PW:
12653 check_dsp(ctx);
12654 {
12655 target_long temp;
12656
12657 imm = (ctx->opcode >> 16) & 0x03FF;
12658 imm = (int16_t)(imm << 6) >> 6;
12659 temp = ((target_long)imm << 32) \
12660 | ((target_long)imm & 0xFFFFFFFF);
12661 tcg_gen_movi_tl(cpu_gpr[ret], temp);
12662 break;
12663 }
12664 case OPC_REPL_QH:
12665 check_dsp(ctx);
12666 {
12667 target_long temp;
12668
12669 imm = (ctx->opcode >> 16) & 0x03FF;
12670 imm = (int16_t)(imm << 6) >> 6;
12671
12672 temp = ((uint64_t)(uint16_t)imm << 48) |
12673 ((uint64_t)(uint16_t)imm << 32) |
12674 ((uint64_t)(uint16_t)imm << 16) |
12675 (uint64_t)(uint16_t)imm;
12676 tcg_gen_movi_tl(cpu_gpr[ret], temp);
12677 break;
12678 }
12679 case OPC_REPLV_OB:
12680 check_dsp(ctx);
12681 tcg_gen_ext8u_tl(cpu_gpr[ret], val_t);
12682 tcg_gen_shli_tl(t0, cpu_gpr[ret], 8);
12683 tcg_gen_or_tl(cpu_gpr[ret], cpu_gpr[ret], t0);
12684 tcg_gen_shli_tl(t0, cpu_gpr[ret], 16);
12685 tcg_gen_or_tl(cpu_gpr[ret], cpu_gpr[ret], t0);
12686 tcg_gen_shli_tl(t0, cpu_gpr[ret], 32);
12687 tcg_gen_or_tl(cpu_gpr[ret], cpu_gpr[ret], t0);
12688 break;
12689 case OPC_REPLV_PW:
12690 check_dsp(ctx);
12691 tcg_gen_ext32u_i64(cpu_gpr[ret], val_t);
12692 tcg_gen_shli_tl(t0, cpu_gpr[ret], 32);
12693 tcg_gen_or_tl(cpu_gpr[ret], cpu_gpr[ret], t0);
12694 break;
12695 case OPC_REPLV_QH:
12696 check_dsp(ctx);
12697 tcg_gen_ext16u_tl(cpu_gpr[ret], val_t);
12698 tcg_gen_shli_tl(t0, cpu_gpr[ret], 16);
12699 tcg_gen_or_tl(cpu_gpr[ret], cpu_gpr[ret], t0);
12700 tcg_gen_shli_tl(t0, cpu_gpr[ret], 32);
12701 tcg_gen_or_tl(cpu_gpr[ret], cpu_gpr[ret], t0);
12702 break;
12703 }
12704 break;
12705 #endif
12706 }
12707 }
12708
gen_mipsdsp_add_cmp_pick(DisasContext * ctx,uint32_t op1,uint32_t op2,int ret,int v1,int v2,int check_ret)12709 static void gen_mipsdsp_add_cmp_pick(DisasContext *ctx,
12710 uint32_t op1, uint32_t op2,
12711 int ret, int v1, int v2, int check_ret)
12712 {
12713 TCGv t1;
12714 TCGv v1_t;
12715 TCGv v2_t;
12716
12717 if ((ret == 0) && (check_ret == 1)) {
12718 /* Treat as NOP. */
12719 return;
12720 }
12721
12722 t1 = tcg_temp_new();
12723 v1_t = tcg_temp_new();
12724 v2_t = tcg_temp_new();
12725
12726 gen_load_gpr(v1_t, v1);
12727 gen_load_gpr(v2_t, v2);
12728
12729 switch (op1) {
12730 case OPC_CMPU_EQ_QB_DSP:
12731 switch (op2) {
12732 case OPC_CMPU_EQ_QB:
12733 check_dsp(ctx);
12734 gen_helper_cmpu_eq_qb(v1_t, v2_t, tcg_env);
12735 break;
12736 case OPC_CMPU_LT_QB:
12737 check_dsp(ctx);
12738 gen_helper_cmpu_lt_qb(v1_t, v2_t, tcg_env);
12739 break;
12740 case OPC_CMPU_LE_QB:
12741 check_dsp(ctx);
12742 gen_helper_cmpu_le_qb(v1_t, v2_t, tcg_env);
12743 break;
12744 case OPC_CMPGU_EQ_QB:
12745 check_dsp(ctx);
12746 gen_helper_cmpgu_eq_qb(cpu_gpr[ret], v1_t, v2_t);
12747 break;
12748 case OPC_CMPGU_LT_QB:
12749 check_dsp(ctx);
12750 gen_helper_cmpgu_lt_qb(cpu_gpr[ret], v1_t, v2_t);
12751 break;
12752 case OPC_CMPGU_LE_QB:
12753 check_dsp(ctx);
12754 gen_helper_cmpgu_le_qb(cpu_gpr[ret], v1_t, v2_t);
12755 break;
12756 case OPC_CMPGDU_EQ_QB:
12757 check_dsp_r2(ctx);
12758 gen_helper_cmpgu_eq_qb(t1, v1_t, v2_t);
12759 tcg_gen_mov_tl(cpu_gpr[ret], t1);
12760 tcg_gen_andi_tl(cpu_dspctrl, cpu_dspctrl, 0xF0FFFFFF);
12761 tcg_gen_shli_tl(t1, t1, 24);
12762 tcg_gen_or_tl(cpu_dspctrl, cpu_dspctrl, t1);
12763 break;
12764 case OPC_CMPGDU_LT_QB:
12765 check_dsp_r2(ctx);
12766 gen_helper_cmpgu_lt_qb(t1, v1_t, v2_t);
12767 tcg_gen_mov_tl(cpu_gpr[ret], t1);
12768 tcg_gen_andi_tl(cpu_dspctrl, cpu_dspctrl, 0xF0FFFFFF);
12769 tcg_gen_shli_tl(t1, t1, 24);
12770 tcg_gen_or_tl(cpu_dspctrl, cpu_dspctrl, t1);
12771 break;
12772 case OPC_CMPGDU_LE_QB:
12773 check_dsp_r2(ctx);
12774 gen_helper_cmpgu_le_qb(t1, v1_t, v2_t);
12775 tcg_gen_mov_tl(cpu_gpr[ret], t1);
12776 tcg_gen_andi_tl(cpu_dspctrl, cpu_dspctrl, 0xF0FFFFFF);
12777 tcg_gen_shli_tl(t1, t1, 24);
12778 tcg_gen_or_tl(cpu_dspctrl, cpu_dspctrl, t1);
12779 break;
12780 case OPC_CMP_EQ_PH:
12781 check_dsp(ctx);
12782 gen_helper_cmp_eq_ph(v1_t, v2_t, tcg_env);
12783 break;
12784 case OPC_CMP_LT_PH:
12785 check_dsp(ctx);
12786 gen_helper_cmp_lt_ph(v1_t, v2_t, tcg_env);
12787 break;
12788 case OPC_CMP_LE_PH:
12789 check_dsp(ctx);
12790 gen_helper_cmp_le_ph(v1_t, v2_t, tcg_env);
12791 break;
12792 case OPC_PICK_QB:
12793 check_dsp(ctx);
12794 gen_helper_pick_qb(cpu_gpr[ret], v1_t, v2_t, tcg_env);
12795 break;
12796 case OPC_PICK_PH:
12797 check_dsp(ctx);
12798 gen_helper_pick_ph(cpu_gpr[ret], v1_t, v2_t, tcg_env);
12799 break;
12800 case OPC_PACKRL_PH:
12801 check_dsp(ctx);
12802 gen_helper_packrl_ph(cpu_gpr[ret], v1_t, v2_t);
12803 break;
12804 }
12805 break;
12806 #ifdef TARGET_MIPS64
12807 case OPC_CMPU_EQ_OB_DSP:
12808 switch (op2) {
12809 case OPC_CMP_EQ_PW:
12810 check_dsp(ctx);
12811 gen_helper_cmp_eq_pw(v1_t, v2_t, tcg_env);
12812 break;
12813 case OPC_CMP_LT_PW:
12814 check_dsp(ctx);
12815 gen_helper_cmp_lt_pw(v1_t, v2_t, tcg_env);
12816 break;
12817 case OPC_CMP_LE_PW:
12818 check_dsp(ctx);
12819 gen_helper_cmp_le_pw(v1_t, v2_t, tcg_env);
12820 break;
12821 case OPC_CMP_EQ_QH:
12822 check_dsp(ctx);
12823 gen_helper_cmp_eq_qh(v1_t, v2_t, tcg_env);
12824 break;
12825 case OPC_CMP_LT_QH:
12826 check_dsp(ctx);
12827 gen_helper_cmp_lt_qh(v1_t, v2_t, tcg_env);
12828 break;
12829 case OPC_CMP_LE_QH:
12830 check_dsp(ctx);
12831 gen_helper_cmp_le_qh(v1_t, v2_t, tcg_env);
12832 break;
12833 case OPC_CMPGDU_EQ_OB:
12834 check_dsp_r2(ctx);
12835 gen_helper_cmpgdu_eq_ob(cpu_gpr[ret], v1_t, v2_t, tcg_env);
12836 break;
12837 case OPC_CMPGDU_LT_OB:
12838 check_dsp_r2(ctx);
12839 gen_helper_cmpgdu_lt_ob(cpu_gpr[ret], v1_t, v2_t, tcg_env);
12840 break;
12841 case OPC_CMPGDU_LE_OB:
12842 check_dsp_r2(ctx);
12843 gen_helper_cmpgdu_le_ob(cpu_gpr[ret], v1_t, v2_t, tcg_env);
12844 break;
12845 case OPC_CMPGU_EQ_OB:
12846 check_dsp(ctx);
12847 gen_helper_cmpgu_eq_ob(cpu_gpr[ret], v1_t, v2_t);
12848 break;
12849 case OPC_CMPGU_LT_OB:
12850 check_dsp(ctx);
12851 gen_helper_cmpgu_lt_ob(cpu_gpr[ret], v1_t, v2_t);
12852 break;
12853 case OPC_CMPGU_LE_OB:
12854 check_dsp(ctx);
12855 gen_helper_cmpgu_le_ob(cpu_gpr[ret], v1_t, v2_t);
12856 break;
12857 case OPC_CMPU_EQ_OB:
12858 check_dsp(ctx);
12859 gen_helper_cmpu_eq_ob(v1_t, v2_t, tcg_env);
12860 break;
12861 case OPC_CMPU_LT_OB:
12862 check_dsp(ctx);
12863 gen_helper_cmpu_lt_ob(v1_t, v2_t, tcg_env);
12864 break;
12865 case OPC_CMPU_LE_OB:
12866 check_dsp(ctx);
12867 gen_helper_cmpu_le_ob(v1_t, v2_t, tcg_env);
12868 break;
12869 case OPC_PACKRL_PW:
12870 check_dsp(ctx);
12871 gen_helper_packrl_pw(cpu_gpr[ret], v1_t, v2_t);
12872 break;
12873 case OPC_PICK_OB:
12874 check_dsp(ctx);
12875 gen_helper_pick_ob(cpu_gpr[ret], v1_t, v2_t, tcg_env);
12876 break;
12877 case OPC_PICK_PW:
12878 check_dsp(ctx);
12879 gen_helper_pick_pw(cpu_gpr[ret], v1_t, v2_t, tcg_env);
12880 break;
12881 case OPC_PICK_QH:
12882 check_dsp(ctx);
12883 gen_helper_pick_qh(cpu_gpr[ret], v1_t, v2_t, tcg_env);
12884 break;
12885 }
12886 break;
12887 #endif
12888 }
12889 }
12890
gen_mipsdsp_append(CPUMIPSState * env,DisasContext * ctx,uint32_t op1,int rt,int rs,int sa)12891 static void gen_mipsdsp_append(CPUMIPSState *env, DisasContext *ctx,
12892 uint32_t op1, int rt, int rs, int sa)
12893 {
12894 TCGv t0;
12895
12896 check_dsp_r2(ctx);
12897
12898 if (rt == 0) {
12899 /* Treat as NOP. */
12900 return;
12901 }
12902
12903 t0 = tcg_temp_new();
12904 gen_load_gpr(t0, rs);
12905
12906 switch (op1) {
12907 case OPC_APPEND_DSP:
12908 switch (MASK_APPEND(ctx->opcode)) {
12909 case OPC_APPEND:
12910 if (sa != 0) {
12911 tcg_gen_deposit_tl(cpu_gpr[rt], t0, cpu_gpr[rt], sa, 32 - sa);
12912 }
12913 tcg_gen_ext32s_tl(cpu_gpr[rt], cpu_gpr[rt]);
12914 break;
12915 case OPC_PREPEND:
12916 if (sa != 0) {
12917 tcg_gen_ext32u_tl(cpu_gpr[rt], cpu_gpr[rt]);
12918 tcg_gen_shri_tl(cpu_gpr[rt], cpu_gpr[rt], sa);
12919 tcg_gen_shli_tl(t0, t0, 32 - sa);
12920 tcg_gen_or_tl(cpu_gpr[rt], cpu_gpr[rt], t0);
12921 }
12922 tcg_gen_ext32s_tl(cpu_gpr[rt], cpu_gpr[rt]);
12923 break;
12924 case OPC_BALIGN:
12925 sa &= 3;
12926 if (sa != 0 && sa != 2) {
12927 tcg_gen_shli_tl(cpu_gpr[rt], cpu_gpr[rt], 8 * sa);
12928 tcg_gen_ext32u_tl(t0, t0);
12929 tcg_gen_shri_tl(t0, t0, 8 * (4 - sa));
12930 tcg_gen_or_tl(cpu_gpr[rt], cpu_gpr[rt], t0);
12931 }
12932 tcg_gen_ext32s_tl(cpu_gpr[rt], cpu_gpr[rt]);
12933 break;
12934 default: /* Invalid */
12935 MIPS_INVAL("MASK APPEND");
12936 gen_reserved_instruction(ctx);
12937 break;
12938 }
12939 break;
12940 #ifdef TARGET_MIPS64
12941 case OPC_DAPPEND_DSP:
12942 switch (MASK_DAPPEND(ctx->opcode)) {
12943 case OPC_DAPPEND:
12944 if (sa != 0) {
12945 tcg_gen_deposit_tl(cpu_gpr[rt], t0, cpu_gpr[rt], sa, 64 - sa);
12946 }
12947 break;
12948 case OPC_PREPENDD:
12949 tcg_gen_shri_tl(cpu_gpr[rt], cpu_gpr[rt], 0x20 | sa);
12950 tcg_gen_shli_tl(t0, t0, 64 - (0x20 | sa));
12951 tcg_gen_or_tl(cpu_gpr[rt], t0, t0);
12952 break;
12953 case OPC_PREPENDW:
12954 if (sa != 0) {
12955 tcg_gen_shri_tl(cpu_gpr[rt], cpu_gpr[rt], sa);
12956 tcg_gen_shli_tl(t0, t0, 64 - sa);
12957 tcg_gen_or_tl(cpu_gpr[rt], cpu_gpr[rt], t0);
12958 }
12959 break;
12960 case OPC_DBALIGN:
12961 sa &= 7;
12962 if (sa != 0 && sa != 2 && sa != 4) {
12963 tcg_gen_shli_tl(cpu_gpr[rt], cpu_gpr[rt], 8 * sa);
12964 tcg_gen_shri_tl(t0, t0, 8 * (8 - sa));
12965 tcg_gen_or_tl(cpu_gpr[rt], cpu_gpr[rt], t0);
12966 }
12967 break;
12968 default: /* Invalid */
12969 MIPS_INVAL("MASK DAPPEND");
12970 gen_reserved_instruction(ctx);
12971 break;
12972 }
12973 break;
12974 #endif
12975 }
12976 }
12977
gen_mipsdsp_accinsn(DisasContext * ctx,uint32_t op1,uint32_t op2,int ret,int v1,int v2,int check_ret)12978 static void gen_mipsdsp_accinsn(DisasContext *ctx, uint32_t op1, uint32_t op2,
12979 int ret, int v1, int v2, int check_ret)
12980
12981 {
12982 TCGv t0;
12983 TCGv t1;
12984 TCGv v1_t;
12985 int16_t imm;
12986
12987 if ((ret == 0) && (check_ret == 1)) {
12988 /* Treat as NOP. */
12989 return;
12990 }
12991
12992 t0 = tcg_temp_new();
12993 t1 = tcg_temp_new();
12994 v1_t = tcg_temp_new();
12995
12996 gen_load_gpr(v1_t, v1);
12997
12998 switch (op1) {
12999 case OPC_EXTR_W_DSP:
13000 check_dsp(ctx);
13001 switch (op2) {
13002 case OPC_EXTR_W:
13003 tcg_gen_movi_tl(t0, v2);
13004 tcg_gen_movi_tl(t1, v1);
13005 gen_helper_extr_w(cpu_gpr[ret], t0, t1, tcg_env);
13006 break;
13007 case OPC_EXTR_R_W:
13008 tcg_gen_movi_tl(t0, v2);
13009 tcg_gen_movi_tl(t1, v1);
13010 gen_helper_extr_r_w(cpu_gpr[ret], t0, t1, tcg_env);
13011 break;
13012 case OPC_EXTR_RS_W:
13013 tcg_gen_movi_tl(t0, v2);
13014 tcg_gen_movi_tl(t1, v1);
13015 gen_helper_extr_rs_w(cpu_gpr[ret], t0, t1, tcg_env);
13016 break;
13017 case OPC_EXTR_S_H:
13018 tcg_gen_movi_tl(t0, v2);
13019 tcg_gen_movi_tl(t1, v1);
13020 gen_helper_extr_s_h(cpu_gpr[ret], t0, t1, tcg_env);
13021 break;
13022 case OPC_EXTRV_S_H:
13023 tcg_gen_movi_tl(t0, v2);
13024 gen_helper_extr_s_h(cpu_gpr[ret], t0, v1_t, tcg_env);
13025 break;
13026 case OPC_EXTRV_W:
13027 tcg_gen_movi_tl(t0, v2);
13028 gen_helper_extr_w(cpu_gpr[ret], t0, v1_t, tcg_env);
13029 break;
13030 case OPC_EXTRV_R_W:
13031 tcg_gen_movi_tl(t0, v2);
13032 gen_helper_extr_r_w(cpu_gpr[ret], t0, v1_t, tcg_env);
13033 break;
13034 case OPC_EXTRV_RS_W:
13035 tcg_gen_movi_tl(t0, v2);
13036 gen_helper_extr_rs_w(cpu_gpr[ret], t0, v1_t, tcg_env);
13037 break;
13038 case OPC_EXTP:
13039 tcg_gen_movi_tl(t0, v2);
13040 tcg_gen_movi_tl(t1, v1);
13041 gen_helper_extp(cpu_gpr[ret], t0, t1, tcg_env);
13042 break;
13043 case OPC_EXTPV:
13044 tcg_gen_movi_tl(t0, v2);
13045 gen_helper_extp(cpu_gpr[ret], t0, v1_t, tcg_env);
13046 break;
13047 case OPC_EXTPDP:
13048 tcg_gen_movi_tl(t0, v2);
13049 tcg_gen_movi_tl(t1, v1);
13050 gen_helper_extpdp(cpu_gpr[ret], t0, t1, tcg_env);
13051 break;
13052 case OPC_EXTPDPV:
13053 tcg_gen_movi_tl(t0, v2);
13054 gen_helper_extpdp(cpu_gpr[ret], t0, v1_t, tcg_env);
13055 break;
13056 case OPC_SHILO:
13057 imm = (ctx->opcode >> 20) & 0x3F;
13058 tcg_gen_movi_tl(t0, ret);
13059 tcg_gen_movi_tl(t1, imm);
13060 gen_helper_shilo(t0, t1, tcg_env);
13061 break;
13062 case OPC_SHILOV:
13063 tcg_gen_movi_tl(t0, ret);
13064 gen_helper_shilo(t0, v1_t, tcg_env);
13065 break;
13066 case OPC_MTHLIP:
13067 tcg_gen_movi_tl(t0, ret);
13068 gen_helper_mthlip(t0, v1_t, tcg_env);
13069 break;
13070 case OPC_WRDSP:
13071 imm = (ctx->opcode >> 11) & 0x3FF;
13072 tcg_gen_movi_tl(t0, imm);
13073 gen_helper_wrdsp(v1_t, t0, tcg_env);
13074 break;
13075 case OPC_RDDSP:
13076 imm = (ctx->opcode >> 16) & 0x03FF;
13077 tcg_gen_movi_tl(t0, imm);
13078 gen_helper_rddsp(cpu_gpr[ret], t0, tcg_env);
13079 break;
13080 }
13081 break;
13082 #ifdef TARGET_MIPS64
13083 case OPC_DEXTR_W_DSP:
13084 check_dsp(ctx);
13085 switch (op2) {
13086 case OPC_DMTHLIP:
13087 tcg_gen_movi_tl(t0, ret);
13088 gen_helper_dmthlip(v1_t, t0, tcg_env);
13089 break;
13090 case OPC_DSHILO:
13091 {
13092 int shift = (ctx->opcode >> 19) & 0x7F;
13093 int ac = (ctx->opcode >> 11) & 0x03;
13094 tcg_gen_movi_tl(t0, shift);
13095 tcg_gen_movi_tl(t1, ac);
13096 gen_helper_dshilo(t0, t1, tcg_env);
13097 break;
13098 }
13099 case OPC_DSHILOV:
13100 {
13101 int ac = (ctx->opcode >> 11) & 0x03;
13102 tcg_gen_movi_tl(t0, ac);
13103 gen_helper_dshilo(v1_t, t0, tcg_env);
13104 break;
13105 }
13106 case OPC_DEXTP:
13107 tcg_gen_movi_tl(t0, v2);
13108 tcg_gen_movi_tl(t1, v1);
13109
13110 gen_helper_dextp(cpu_gpr[ret], t0, t1, tcg_env);
13111 break;
13112 case OPC_DEXTPV:
13113 tcg_gen_movi_tl(t0, v2);
13114 gen_helper_dextp(cpu_gpr[ret], t0, v1_t, tcg_env);
13115 break;
13116 case OPC_DEXTPDP:
13117 tcg_gen_movi_tl(t0, v2);
13118 tcg_gen_movi_tl(t1, v1);
13119 gen_helper_dextpdp(cpu_gpr[ret], t0, t1, tcg_env);
13120 break;
13121 case OPC_DEXTPDPV:
13122 tcg_gen_movi_tl(t0, v2);
13123 gen_helper_dextpdp(cpu_gpr[ret], t0, v1_t, tcg_env);
13124 break;
13125 case OPC_DEXTR_L:
13126 tcg_gen_movi_tl(t0, v2);
13127 tcg_gen_movi_tl(t1, v1);
13128 gen_helper_dextr_l(cpu_gpr[ret], t0, t1, tcg_env);
13129 break;
13130 case OPC_DEXTR_R_L:
13131 tcg_gen_movi_tl(t0, v2);
13132 tcg_gen_movi_tl(t1, v1);
13133 gen_helper_dextr_r_l(cpu_gpr[ret], t0, t1, tcg_env);
13134 break;
13135 case OPC_DEXTR_RS_L:
13136 tcg_gen_movi_tl(t0, v2);
13137 tcg_gen_movi_tl(t1, v1);
13138 gen_helper_dextr_rs_l(cpu_gpr[ret], t0, t1, tcg_env);
13139 break;
13140 case OPC_DEXTR_W:
13141 tcg_gen_movi_tl(t0, v2);
13142 tcg_gen_movi_tl(t1, v1);
13143 gen_helper_dextr_w(cpu_gpr[ret], t0, t1, tcg_env);
13144 break;
13145 case OPC_DEXTR_R_W:
13146 tcg_gen_movi_tl(t0, v2);
13147 tcg_gen_movi_tl(t1, v1);
13148 gen_helper_dextr_r_w(cpu_gpr[ret], t0, t1, tcg_env);
13149 break;
13150 case OPC_DEXTR_RS_W:
13151 tcg_gen_movi_tl(t0, v2);
13152 tcg_gen_movi_tl(t1, v1);
13153 gen_helper_dextr_rs_w(cpu_gpr[ret], t0, t1, tcg_env);
13154 break;
13155 case OPC_DEXTR_S_H:
13156 tcg_gen_movi_tl(t0, v2);
13157 tcg_gen_movi_tl(t1, v1);
13158 gen_helper_dextr_s_h(cpu_gpr[ret], t0, t1, tcg_env);
13159 break;
13160 case OPC_DEXTRV_S_H:
13161 tcg_gen_movi_tl(t0, v2);
13162 gen_helper_dextr_s_h(cpu_gpr[ret], t0, v1_t, tcg_env);
13163 break;
13164 case OPC_DEXTRV_L:
13165 tcg_gen_movi_tl(t0, v2);
13166 gen_helper_dextr_l(cpu_gpr[ret], t0, v1_t, tcg_env);
13167 break;
13168 case OPC_DEXTRV_R_L:
13169 tcg_gen_movi_tl(t0, v2);
13170 gen_helper_dextr_r_l(cpu_gpr[ret], t0, v1_t, tcg_env);
13171 break;
13172 case OPC_DEXTRV_RS_L:
13173 tcg_gen_movi_tl(t0, v2);
13174 gen_helper_dextr_rs_l(cpu_gpr[ret], t0, v1_t, tcg_env);
13175 break;
13176 case OPC_DEXTRV_W:
13177 tcg_gen_movi_tl(t0, v2);
13178 gen_helper_dextr_w(cpu_gpr[ret], t0, v1_t, tcg_env);
13179 break;
13180 case OPC_DEXTRV_R_W:
13181 tcg_gen_movi_tl(t0, v2);
13182 gen_helper_dextr_r_w(cpu_gpr[ret], t0, v1_t, tcg_env);
13183 break;
13184 case OPC_DEXTRV_RS_W:
13185 tcg_gen_movi_tl(t0, v2);
13186 gen_helper_dextr_rs_w(cpu_gpr[ret], t0, v1_t, tcg_env);
13187 break;
13188 }
13189 break;
13190 #endif
13191 }
13192 }
13193
13194 /* End MIPSDSP functions. */
13195
decode_opc_special_r6(CPUMIPSState * env,DisasContext * ctx)13196 static void decode_opc_special_r6(CPUMIPSState *env, DisasContext *ctx)
13197 {
13198 int rs, rt, rd, sa;
13199 uint32_t op1, op2;
13200
13201 rs = (ctx->opcode >> 21) & 0x1f;
13202 rt = (ctx->opcode >> 16) & 0x1f;
13203 rd = (ctx->opcode >> 11) & 0x1f;
13204 sa = (ctx->opcode >> 6) & 0x1f;
13205
13206 op1 = MASK_SPECIAL(ctx->opcode);
13207 switch (op1) {
13208 case OPC_MULT:
13209 case OPC_MULTU:
13210 case OPC_DIV:
13211 case OPC_DIVU:
13212 op2 = MASK_R6_MULDIV(ctx->opcode);
13213 switch (op2) {
13214 case R6_OPC_MUL:
13215 case R6_OPC_MUH:
13216 case R6_OPC_MULU:
13217 case R6_OPC_MUHU:
13218 case R6_OPC_DIV:
13219 case R6_OPC_MOD:
13220 case R6_OPC_DIVU:
13221 case R6_OPC_MODU:
13222 gen_r6_muldiv(ctx, op2, rd, rs, rt);
13223 break;
13224 default:
13225 MIPS_INVAL("special_r6 muldiv");
13226 gen_reserved_instruction(ctx);
13227 break;
13228 }
13229 break;
13230 case OPC_SELEQZ:
13231 case OPC_SELNEZ:
13232 gen_cond_move(ctx, op1, rd, rs, rt);
13233 break;
13234 case R6_OPC_CLO:
13235 case R6_OPC_CLZ:
13236 if (rt == 0 && sa == 1) {
13237 /*
13238 * Major opcode and function field is shared with preR6 MFHI/MTHI.
13239 * We need additionally to check other fields.
13240 */
13241 gen_cl(ctx, op1, rd, rs);
13242 } else {
13243 gen_reserved_instruction(ctx);
13244 }
13245 break;
13246 case R6_OPC_SDBBP:
13247 if (is_uhi(ctx, extract32(ctx->opcode, 6, 20))) {
13248 ctx->base.is_jmp = DISAS_SEMIHOST;
13249 } else {
13250 if (ctx->hflags & MIPS_HFLAG_SBRI) {
13251 gen_reserved_instruction(ctx);
13252 } else {
13253 generate_exception_end(ctx, EXCP_DBp);
13254 }
13255 }
13256 break;
13257 #if defined(TARGET_MIPS64)
13258 case R6_OPC_DCLO:
13259 case R6_OPC_DCLZ:
13260 if (rt == 0 && sa == 1) {
13261 /*
13262 * Major opcode and function field is shared with preR6 MFHI/MTHI.
13263 * We need additionally to check other fields.
13264 */
13265 check_mips_64(ctx);
13266 gen_cl(ctx, op1, rd, rs);
13267 } else {
13268 gen_reserved_instruction(ctx);
13269 }
13270 break;
13271 case OPC_DMULT:
13272 case OPC_DMULTU:
13273 case OPC_DDIV:
13274 case OPC_DDIVU:
13275
13276 op2 = MASK_R6_MULDIV(ctx->opcode);
13277 switch (op2) {
13278 case R6_OPC_DMUL:
13279 case R6_OPC_DMUH:
13280 case R6_OPC_DMULU:
13281 case R6_OPC_DMUHU:
13282 case R6_OPC_DDIV:
13283 case R6_OPC_DMOD:
13284 case R6_OPC_DDIVU:
13285 case R6_OPC_DMODU:
13286 check_mips_64(ctx);
13287 gen_r6_muldiv(ctx, op2, rd, rs, rt);
13288 break;
13289 default:
13290 MIPS_INVAL("special_r6 muldiv");
13291 gen_reserved_instruction(ctx);
13292 break;
13293 }
13294 break;
13295 #endif
13296 default: /* Invalid */
13297 MIPS_INVAL("special_r6");
13298 gen_reserved_instruction(ctx);
13299 break;
13300 }
13301 }
13302
decode_opc_special_tx79(CPUMIPSState * env,DisasContext * ctx)13303 static void decode_opc_special_tx79(CPUMIPSState *env, DisasContext *ctx)
13304 {
13305 int rs = extract32(ctx->opcode, 21, 5);
13306 int rt = extract32(ctx->opcode, 16, 5);
13307 int rd = extract32(ctx->opcode, 11, 5);
13308 uint32_t op1 = MASK_SPECIAL(ctx->opcode);
13309
13310 switch (op1) {
13311 case OPC_MOVN: /* Conditional move */
13312 case OPC_MOVZ:
13313 gen_cond_move(ctx, op1, rd, rs, rt);
13314 break;
13315 case OPC_MFHI: /* Move from HI/LO */
13316 case OPC_MFLO:
13317 gen_HILO(ctx, op1, 0, rd);
13318 break;
13319 case OPC_MTHI:
13320 case OPC_MTLO: /* Move to HI/LO */
13321 gen_HILO(ctx, op1, 0, rs);
13322 break;
13323 case OPC_MULT:
13324 case OPC_MULTU:
13325 gen_mul_txx9(ctx, op1, rd, rs, rt);
13326 break;
13327 case OPC_DIV:
13328 case OPC_DIVU:
13329 gen_muldiv(ctx, op1, 0, rs, rt);
13330 break;
13331 #if defined(TARGET_MIPS64)
13332 case OPC_DMULT:
13333 case OPC_DMULTU:
13334 case OPC_DDIV:
13335 case OPC_DDIVU:
13336 check_insn_opc_user_only(ctx, INSN_R5900);
13337 gen_muldiv(ctx, op1, 0, rs, rt);
13338 break;
13339 #endif
13340 case OPC_JR:
13341 gen_compute_branch(ctx, op1, 4, rs, 0, 0, 4);
13342 break;
13343 default: /* Invalid */
13344 MIPS_INVAL("special_tx79");
13345 gen_reserved_instruction(ctx);
13346 break;
13347 }
13348 }
13349
decode_opc_special_legacy(CPUMIPSState * env,DisasContext * ctx)13350 static void decode_opc_special_legacy(CPUMIPSState *env, DisasContext *ctx)
13351 {
13352 int rs, rt, rd;
13353 uint32_t op1;
13354
13355 rs = (ctx->opcode >> 21) & 0x1f;
13356 rt = (ctx->opcode >> 16) & 0x1f;
13357 rd = (ctx->opcode >> 11) & 0x1f;
13358
13359 op1 = MASK_SPECIAL(ctx->opcode);
13360 switch (op1) {
13361 case OPC_MOVN: /* Conditional move */
13362 case OPC_MOVZ:
13363 check_insn(ctx, ISA_MIPS4 | ISA_MIPS_R1 |
13364 INSN_LOONGSON2E | INSN_LOONGSON2F);
13365 gen_cond_move(ctx, op1, rd, rs, rt);
13366 break;
13367 case OPC_MFHI: /* Move from HI/LO */
13368 case OPC_MFLO:
13369 gen_HILO(ctx, op1, rs & 3, rd);
13370 break;
13371 case OPC_MTHI:
13372 case OPC_MTLO: /* Move to HI/LO */
13373 gen_HILO(ctx, op1, rd & 3, rs);
13374 break;
13375 case OPC_MOVCI:
13376 check_insn(ctx, ISA_MIPS4 | ISA_MIPS_R1);
13377 if (env->CP0_Config1 & (1 << CP0C1_FP)) {
13378 check_cp1_enabled(ctx);
13379 gen_movci(ctx, rd, rs, (ctx->opcode >> 18) & 0x7,
13380 (ctx->opcode >> 16) & 1);
13381 } else {
13382 generate_exception_err(ctx, EXCP_CpU, 1);
13383 }
13384 break;
13385 case OPC_MULT:
13386 case OPC_MULTU:
13387 gen_muldiv(ctx, op1, rd & 3, rs, rt);
13388 break;
13389 case OPC_DIV:
13390 case OPC_DIVU:
13391 gen_muldiv(ctx, op1, 0, rs, rt);
13392 break;
13393 #if defined(TARGET_MIPS64)
13394 case OPC_DMULT:
13395 case OPC_DMULTU:
13396 case OPC_DDIV:
13397 case OPC_DDIVU:
13398 check_insn(ctx, ISA_MIPS3);
13399 check_mips_64(ctx);
13400 gen_muldiv(ctx, op1, 0, rs, rt);
13401 break;
13402 #endif
13403 case OPC_JR:
13404 gen_compute_branch(ctx, op1, 4, rs, 0, 0, 4);
13405 break;
13406 case OPC_SPIM:
13407 #ifdef MIPS_STRICT_STANDARD
13408 MIPS_INVAL("SPIM");
13409 gen_reserved_instruction(ctx);
13410 #else
13411 /* Implemented as RI exception for now. */
13412 MIPS_INVAL("spim (unofficial)");
13413 gen_reserved_instruction(ctx);
13414 #endif
13415 break;
13416 default: /* Invalid */
13417 MIPS_INVAL("special_legacy");
13418 gen_reserved_instruction(ctx);
13419 break;
13420 }
13421 }
13422
decode_opc_special(CPUMIPSState * env,DisasContext * ctx)13423 static void decode_opc_special(CPUMIPSState *env, DisasContext *ctx)
13424 {
13425 int rs, rt, rd, sa;
13426 uint32_t op1;
13427
13428 rs = (ctx->opcode >> 21) & 0x1f;
13429 rt = (ctx->opcode >> 16) & 0x1f;
13430 rd = (ctx->opcode >> 11) & 0x1f;
13431 sa = (ctx->opcode >> 6) & 0x1f;
13432
13433 op1 = MASK_SPECIAL(ctx->opcode);
13434 switch (op1) {
13435 case OPC_SLL: /* Shift with immediate */
13436 if (sa == 5 && rd == 0 &&
13437 rs == 0 && rt == 0) { /* PAUSE */
13438 if ((ctx->insn_flags & ISA_MIPS_R6) &&
13439 (ctx->hflags & MIPS_HFLAG_BMASK)) {
13440 gen_reserved_instruction(ctx);
13441 break;
13442 }
13443 }
13444 /* Fallthrough */
13445 case OPC_SRA:
13446 gen_shift_imm(ctx, op1, rd, rt, sa);
13447 break;
13448 case OPC_SRL:
13449 switch ((ctx->opcode >> 21) & 0x1f) {
13450 case 1:
13451 /* rotr is decoded as srl on non-R2 CPUs */
13452 if (ctx->insn_flags & ISA_MIPS_R2) {
13453 op1 = OPC_ROTR;
13454 }
13455 /* Fallthrough */
13456 case 0:
13457 gen_shift_imm(ctx, op1, rd, rt, sa);
13458 break;
13459 default:
13460 gen_reserved_instruction(ctx);
13461 break;
13462 }
13463 break;
13464 case OPC_ADD:
13465 case OPC_ADDU:
13466 case OPC_SUB:
13467 case OPC_SUBU:
13468 gen_arith(ctx, op1, rd, rs, rt);
13469 break;
13470 case OPC_SLLV: /* Shifts */
13471 case OPC_SRAV:
13472 gen_shift(ctx, op1, rd, rs, rt);
13473 break;
13474 case OPC_SRLV:
13475 switch ((ctx->opcode >> 6) & 0x1f) {
13476 case 1:
13477 /* rotrv is decoded as srlv on non-R2 CPUs */
13478 if (ctx->insn_flags & ISA_MIPS_R2) {
13479 op1 = OPC_ROTRV;
13480 }
13481 /* Fallthrough */
13482 case 0:
13483 gen_shift(ctx, op1, rd, rs, rt);
13484 break;
13485 default:
13486 gen_reserved_instruction(ctx);
13487 break;
13488 }
13489 break;
13490 case OPC_SLT: /* Set on less than */
13491 case OPC_SLTU:
13492 gen_slt(ctx, op1, rd, rs, rt);
13493 break;
13494 case OPC_AND: /* Logic*/
13495 case OPC_OR:
13496 case OPC_NOR:
13497 case OPC_XOR:
13498 gen_logic(ctx, op1, rd, rs, rt);
13499 break;
13500 case OPC_JALR:
13501 gen_compute_branch(ctx, op1, 4, rs, rd, sa, 4);
13502 break;
13503 case OPC_TGE: /* Traps */
13504 case OPC_TGEU:
13505 case OPC_TLT:
13506 case OPC_TLTU:
13507 case OPC_TEQ:
13508 case OPC_TNE:
13509 check_insn(ctx, ISA_MIPS2);
13510 gen_trap(ctx, op1, rs, rt, -1, extract32(ctx->opcode, 6, 10));
13511 break;
13512 case OPC_PMON:
13513 /* Pmon entry point, also R4010 selsl */
13514 #ifdef MIPS_STRICT_STANDARD
13515 MIPS_INVAL("PMON / selsl");
13516 gen_reserved_instruction(ctx);
13517 #else
13518 gen_helper_pmon(tcg_env, tcg_constant_i32(sa));
13519 #endif
13520 break;
13521 case OPC_SYSCALL:
13522 generate_exception_end(ctx, EXCP_SYSCALL);
13523 break;
13524 case OPC_BREAK:
13525 generate_exception_break(ctx, extract32(ctx->opcode, 6, 20));
13526 break;
13527 case OPC_SYNC:
13528 check_insn(ctx, ISA_MIPS2);
13529 gen_sync(extract32(ctx->opcode, 6, 5));
13530 break;
13531
13532 #if defined(TARGET_MIPS64)
13533 /* MIPS64 specific opcodes */
13534 case OPC_DSLL:
13535 case OPC_DSRA:
13536 case OPC_DSLL32:
13537 case OPC_DSRA32:
13538 check_insn(ctx, ISA_MIPS3);
13539 check_mips_64(ctx);
13540 gen_shift_imm(ctx, op1, rd, rt, sa);
13541 break;
13542 case OPC_DSRL:
13543 switch ((ctx->opcode >> 21) & 0x1f) {
13544 case 1:
13545 /* drotr is decoded as dsrl on non-R2 CPUs */
13546 if (ctx->insn_flags & ISA_MIPS_R2) {
13547 op1 = OPC_DROTR;
13548 }
13549 /* Fallthrough */
13550 case 0:
13551 check_insn(ctx, ISA_MIPS3);
13552 check_mips_64(ctx);
13553 gen_shift_imm(ctx, op1, rd, rt, sa);
13554 break;
13555 default:
13556 gen_reserved_instruction(ctx);
13557 break;
13558 }
13559 break;
13560 case OPC_DSRL32:
13561 switch ((ctx->opcode >> 21) & 0x1f) {
13562 case 1:
13563 /* drotr32 is decoded as dsrl32 on non-R2 CPUs */
13564 if (ctx->insn_flags & ISA_MIPS_R2) {
13565 op1 = OPC_DROTR32;
13566 }
13567 /* Fallthrough */
13568 case 0:
13569 check_insn(ctx, ISA_MIPS3);
13570 check_mips_64(ctx);
13571 gen_shift_imm(ctx, op1, rd, rt, sa);
13572 break;
13573 default:
13574 gen_reserved_instruction(ctx);
13575 break;
13576 }
13577 break;
13578 case OPC_DADD:
13579 case OPC_DADDU:
13580 case OPC_DSUB:
13581 case OPC_DSUBU:
13582 check_insn(ctx, ISA_MIPS3);
13583 check_mips_64(ctx);
13584 gen_arith(ctx, op1, rd, rs, rt);
13585 break;
13586 case OPC_DSLLV:
13587 case OPC_DSRAV:
13588 check_insn(ctx, ISA_MIPS3);
13589 check_mips_64(ctx);
13590 gen_shift(ctx, op1, rd, rs, rt);
13591 break;
13592 case OPC_DSRLV:
13593 switch ((ctx->opcode >> 6) & 0x1f) {
13594 case 1:
13595 /* drotrv is decoded as dsrlv on non-R2 CPUs */
13596 if (ctx->insn_flags & ISA_MIPS_R2) {
13597 op1 = OPC_DROTRV;
13598 }
13599 /* Fallthrough */
13600 case 0:
13601 check_insn(ctx, ISA_MIPS3);
13602 check_mips_64(ctx);
13603 gen_shift(ctx, op1, rd, rs, rt);
13604 break;
13605 default:
13606 gen_reserved_instruction(ctx);
13607 break;
13608 }
13609 break;
13610 #endif
13611 default:
13612 if (ctx->insn_flags & ISA_MIPS_R6) {
13613 decode_opc_special_r6(env, ctx);
13614 } else if (ctx->insn_flags & INSN_R5900) {
13615 decode_opc_special_tx79(env, ctx);
13616 } else {
13617 decode_opc_special_legacy(env, ctx);
13618 }
13619 }
13620 }
13621
13622
decode_opc_special2_legacy(CPUMIPSState * env,DisasContext * ctx)13623 static void decode_opc_special2_legacy(CPUMIPSState *env, DisasContext *ctx)
13624 {
13625 int rs, rt, rd;
13626 uint32_t op1;
13627
13628 rs = (ctx->opcode >> 21) & 0x1f;
13629 rt = (ctx->opcode >> 16) & 0x1f;
13630 rd = (ctx->opcode >> 11) & 0x1f;
13631
13632 op1 = MASK_SPECIAL2(ctx->opcode);
13633 switch (op1) {
13634 case OPC_MADD: /* Multiply and add/sub */
13635 case OPC_MADDU:
13636 case OPC_MSUB:
13637 case OPC_MSUBU:
13638 check_insn(ctx, ISA_MIPS_R1);
13639 gen_muldiv(ctx, op1, rd & 3, rs, rt);
13640 break;
13641 case OPC_MUL:
13642 gen_arith(ctx, op1, rd, rs, rt);
13643 break;
13644 case OPC_DIV_G_2F:
13645 case OPC_DIVU_G_2F:
13646 case OPC_MULT_G_2F:
13647 case OPC_MULTU_G_2F:
13648 case OPC_MOD_G_2F:
13649 case OPC_MODU_G_2F:
13650 check_insn(ctx, INSN_LOONGSON2F | ASE_LEXT);
13651 gen_loongson_integer(ctx, op1, rd, rs, rt);
13652 break;
13653 case OPC_CLO:
13654 case OPC_CLZ:
13655 check_insn(ctx, ISA_MIPS_R1);
13656 gen_cl(ctx, op1, rd, rs);
13657 break;
13658 case OPC_SDBBP:
13659 if (is_uhi(ctx, extract32(ctx->opcode, 6, 20))) {
13660 ctx->base.is_jmp = DISAS_SEMIHOST;
13661 } else {
13662 /*
13663 * XXX: not clear which exception should be raised
13664 * when in debug mode...
13665 */
13666 check_insn(ctx, ISA_MIPS_R1);
13667 generate_exception_end(ctx, EXCP_DBp);
13668 }
13669 break;
13670 #if defined(TARGET_MIPS64)
13671 case OPC_DCLO:
13672 case OPC_DCLZ:
13673 check_insn(ctx, ISA_MIPS_R1);
13674 check_mips_64(ctx);
13675 gen_cl(ctx, op1, rd, rs);
13676 break;
13677 case OPC_DMULT_G_2F:
13678 case OPC_DMULTU_G_2F:
13679 case OPC_DDIV_G_2F:
13680 case OPC_DDIVU_G_2F:
13681 case OPC_DMOD_G_2F:
13682 case OPC_DMODU_G_2F:
13683 check_insn(ctx, INSN_LOONGSON2F | ASE_LEXT);
13684 gen_loongson_integer(ctx, op1, rd, rs, rt);
13685 break;
13686 #endif
13687 default: /* Invalid */
13688 MIPS_INVAL("special2_legacy");
13689 gen_reserved_instruction(ctx);
13690 break;
13691 }
13692 }
13693
decode_opc_special3_r6(CPUMIPSState * env,DisasContext * ctx)13694 static void decode_opc_special3_r6(CPUMIPSState *env, DisasContext *ctx)
13695 {
13696 int rs, rt, rd, sa;
13697 uint32_t op1, op2;
13698 int16_t imm;
13699
13700 rs = (ctx->opcode >> 21) & 0x1f;
13701 rt = (ctx->opcode >> 16) & 0x1f;
13702 rd = (ctx->opcode >> 11) & 0x1f;
13703 sa = (ctx->opcode >> 6) & 0x1f;
13704 imm = (int16_t)ctx->opcode >> 7;
13705
13706 op1 = MASK_SPECIAL3(ctx->opcode);
13707 switch (op1) {
13708 case R6_OPC_PREF:
13709 if (rt >= 24) {
13710 /* hint codes 24-31 are reserved and signal RI */
13711 gen_reserved_instruction(ctx);
13712 }
13713 /* Treat as NOP. */
13714 break;
13715 case R6_OPC_CACHE:
13716 check_cp0_enabled(ctx);
13717 if (ctx->hflags & MIPS_HFLAG_ITC_CACHE) {
13718 gen_cache_operation(ctx, rt, rs, imm);
13719 }
13720 break;
13721 case R6_OPC_SC:
13722 gen_st_cond(ctx, rt, rs, imm, MO_TESL, false);
13723 break;
13724 case R6_OPC_LL:
13725 gen_ld(ctx, op1, rt, rs, imm);
13726 break;
13727 case OPC_BSHFL:
13728 {
13729 if (rd == 0) {
13730 /* Treat as NOP. */
13731 break;
13732 }
13733 op2 = MASK_BSHFL(ctx->opcode);
13734 switch (op2) {
13735 case OPC_ALIGN:
13736 case OPC_ALIGN_1:
13737 case OPC_ALIGN_2:
13738 case OPC_ALIGN_3:
13739 gen_align(ctx, 32, rd, rs, rt, sa & 3);
13740 break;
13741 case OPC_BITSWAP:
13742 gen_bitswap(ctx, op2, rd, rt);
13743 break;
13744 }
13745 }
13746 break;
13747 #ifndef CONFIG_USER_ONLY
13748 case OPC_GINV:
13749 if (unlikely(ctx->gi <= 1)) {
13750 gen_reserved_instruction(ctx);
13751 }
13752 check_cp0_enabled(ctx);
13753 switch ((ctx->opcode >> 6) & 3) {
13754 case 0: /* GINVI */
13755 /* Treat as NOP. */
13756 break;
13757 case 2: /* GINVT */
13758 gen_helper_0e1i(ginvt, cpu_gpr[rs], extract32(ctx->opcode, 8, 2));
13759 break;
13760 default:
13761 gen_reserved_instruction(ctx);
13762 break;
13763 }
13764 break;
13765 #endif
13766 #if defined(TARGET_MIPS64)
13767 case R6_OPC_SCD:
13768 gen_st_cond(ctx, rt, rs, imm, MO_TEUQ, false);
13769 break;
13770 case R6_OPC_LLD:
13771 gen_ld(ctx, op1, rt, rs, imm);
13772 break;
13773 case OPC_DBSHFL:
13774 check_mips_64(ctx);
13775 {
13776 if (rd == 0) {
13777 /* Treat as NOP. */
13778 break;
13779 }
13780 op2 = MASK_DBSHFL(ctx->opcode);
13781 switch (op2) {
13782 case OPC_DALIGN:
13783 case OPC_DALIGN_1:
13784 case OPC_DALIGN_2:
13785 case OPC_DALIGN_3:
13786 case OPC_DALIGN_4:
13787 case OPC_DALIGN_5:
13788 case OPC_DALIGN_6:
13789 case OPC_DALIGN_7:
13790 gen_align(ctx, 64, rd, rs, rt, sa & 7);
13791 break;
13792 case OPC_DBITSWAP:
13793 gen_bitswap(ctx, op2, rd, rt);
13794 break;
13795 }
13796
13797 }
13798 break;
13799 #endif
13800 default: /* Invalid */
13801 MIPS_INVAL("special3_r6");
13802 gen_reserved_instruction(ctx);
13803 break;
13804 }
13805 }
13806
decode_opc_special3_legacy(CPUMIPSState * env,DisasContext * ctx)13807 static void decode_opc_special3_legacy(CPUMIPSState *env, DisasContext *ctx)
13808 {
13809 int rs, rt, rd;
13810 uint32_t op1, op2;
13811
13812 rs = (ctx->opcode >> 21) & 0x1f;
13813 rt = (ctx->opcode >> 16) & 0x1f;
13814 rd = (ctx->opcode >> 11) & 0x1f;
13815
13816 op1 = MASK_SPECIAL3(ctx->opcode);
13817 switch (op1) {
13818 case OPC_DIV_G_2E:
13819 case OPC_DIVU_G_2E:
13820 case OPC_MOD_G_2E:
13821 case OPC_MODU_G_2E:
13822 case OPC_MULT_G_2E:
13823 case OPC_MULTU_G_2E:
13824 /*
13825 * OPC_MULT_G_2E, OPC_ADDUH_QB_DSP, OPC_MUL_PH_DSP have
13826 * the same mask and op1.
13827 */
13828 if ((ctx->insn_flags & ASE_DSP_R2) && (op1 == OPC_MULT_G_2E)) {
13829 op2 = MASK_ADDUH_QB(ctx->opcode);
13830 switch (op2) {
13831 case OPC_ADDUH_QB:
13832 case OPC_ADDUH_R_QB:
13833 case OPC_ADDQH_PH:
13834 case OPC_ADDQH_R_PH:
13835 case OPC_ADDQH_W:
13836 case OPC_ADDQH_R_W:
13837 case OPC_SUBUH_QB:
13838 case OPC_SUBUH_R_QB:
13839 case OPC_SUBQH_PH:
13840 case OPC_SUBQH_R_PH:
13841 case OPC_SUBQH_W:
13842 case OPC_SUBQH_R_W:
13843 gen_mipsdsp_arith(ctx, op1, op2, rd, rs, rt);
13844 break;
13845 case OPC_MUL_PH:
13846 case OPC_MUL_S_PH:
13847 case OPC_MULQ_S_W:
13848 case OPC_MULQ_RS_W:
13849 gen_mipsdsp_multiply(ctx, op1, op2, rd, rs, rt, 1);
13850 break;
13851 default:
13852 MIPS_INVAL("MASK ADDUH.QB");
13853 gen_reserved_instruction(ctx);
13854 break;
13855 }
13856 } else if (ctx->insn_flags & INSN_LOONGSON2E) {
13857 gen_loongson_integer(ctx, op1, rd, rs, rt);
13858 } else {
13859 gen_reserved_instruction(ctx);
13860 }
13861 break;
13862 case OPC_LX_DSP:
13863 op2 = MASK_LX(ctx->opcode);
13864 switch (op2) {
13865 #if defined(TARGET_MIPS64)
13866 case OPC_LDX:
13867 #endif
13868 case OPC_LBUX:
13869 case OPC_LHX:
13870 case OPC_LWX:
13871 gen_mips_lx(ctx, op2, rd, rs, rt);
13872 break;
13873 default: /* Invalid */
13874 MIPS_INVAL("MASK LX");
13875 gen_reserved_instruction(ctx);
13876 break;
13877 }
13878 break;
13879 case OPC_ABSQ_S_PH_DSP:
13880 op2 = MASK_ABSQ_S_PH(ctx->opcode);
13881 switch (op2) {
13882 case OPC_ABSQ_S_QB:
13883 case OPC_ABSQ_S_PH:
13884 case OPC_ABSQ_S_W:
13885 case OPC_PRECEQ_W_PHL:
13886 case OPC_PRECEQ_W_PHR:
13887 case OPC_PRECEQU_PH_QBL:
13888 case OPC_PRECEQU_PH_QBR:
13889 case OPC_PRECEQU_PH_QBLA:
13890 case OPC_PRECEQU_PH_QBRA:
13891 case OPC_PRECEU_PH_QBL:
13892 case OPC_PRECEU_PH_QBR:
13893 case OPC_PRECEU_PH_QBLA:
13894 case OPC_PRECEU_PH_QBRA:
13895 gen_mipsdsp_arith(ctx, op1, op2, rd, rs, rt);
13896 break;
13897 case OPC_BITREV:
13898 case OPC_REPL_QB:
13899 case OPC_REPLV_QB:
13900 case OPC_REPL_PH:
13901 case OPC_REPLV_PH:
13902 gen_mipsdsp_bitinsn(ctx, op1, op2, rd, rt);
13903 break;
13904 default:
13905 MIPS_INVAL("MASK ABSQ_S.PH");
13906 gen_reserved_instruction(ctx);
13907 break;
13908 }
13909 break;
13910 case OPC_ADDU_QB_DSP:
13911 op2 = MASK_ADDU_QB(ctx->opcode);
13912 switch (op2) {
13913 case OPC_ADDQ_PH:
13914 case OPC_ADDQ_S_PH:
13915 case OPC_ADDQ_S_W:
13916 case OPC_ADDU_QB:
13917 case OPC_ADDU_S_QB:
13918 case OPC_ADDU_PH:
13919 case OPC_ADDU_S_PH:
13920 case OPC_SUBQ_PH:
13921 case OPC_SUBQ_S_PH:
13922 case OPC_SUBQ_S_W:
13923 case OPC_SUBU_QB:
13924 case OPC_SUBU_S_QB:
13925 case OPC_SUBU_PH:
13926 case OPC_SUBU_S_PH:
13927 case OPC_ADDSC:
13928 case OPC_ADDWC:
13929 case OPC_MODSUB:
13930 case OPC_RADDU_W_QB:
13931 gen_mipsdsp_arith(ctx, op1, op2, rd, rs, rt);
13932 break;
13933 case OPC_MULEU_S_PH_QBL:
13934 case OPC_MULEU_S_PH_QBR:
13935 case OPC_MULQ_RS_PH:
13936 case OPC_MULEQ_S_W_PHL:
13937 case OPC_MULEQ_S_W_PHR:
13938 case OPC_MULQ_S_PH:
13939 gen_mipsdsp_multiply(ctx, op1, op2, rd, rs, rt, 1);
13940 break;
13941 default: /* Invalid */
13942 MIPS_INVAL("MASK ADDU.QB");
13943 gen_reserved_instruction(ctx);
13944 break;
13945
13946 }
13947 break;
13948 case OPC_CMPU_EQ_QB_DSP:
13949 op2 = MASK_CMPU_EQ_QB(ctx->opcode);
13950 switch (op2) {
13951 case OPC_PRECR_SRA_PH_W:
13952 case OPC_PRECR_SRA_R_PH_W:
13953 gen_mipsdsp_arith(ctx, op1, op2, rt, rs, rd);
13954 break;
13955 case OPC_PRECR_QB_PH:
13956 case OPC_PRECRQ_QB_PH:
13957 case OPC_PRECRQ_PH_W:
13958 case OPC_PRECRQ_RS_PH_W:
13959 case OPC_PRECRQU_S_QB_PH:
13960 gen_mipsdsp_arith(ctx, op1, op2, rd, rs, rt);
13961 break;
13962 case OPC_CMPU_EQ_QB:
13963 case OPC_CMPU_LT_QB:
13964 case OPC_CMPU_LE_QB:
13965 case OPC_CMP_EQ_PH:
13966 case OPC_CMP_LT_PH:
13967 case OPC_CMP_LE_PH:
13968 gen_mipsdsp_add_cmp_pick(ctx, op1, op2, rd, rs, rt, 0);
13969 break;
13970 case OPC_CMPGU_EQ_QB:
13971 case OPC_CMPGU_LT_QB:
13972 case OPC_CMPGU_LE_QB:
13973 case OPC_CMPGDU_EQ_QB:
13974 case OPC_CMPGDU_LT_QB:
13975 case OPC_CMPGDU_LE_QB:
13976 case OPC_PICK_QB:
13977 case OPC_PICK_PH:
13978 case OPC_PACKRL_PH:
13979 gen_mipsdsp_add_cmp_pick(ctx, op1, op2, rd, rs, rt, 1);
13980 break;
13981 default: /* Invalid */
13982 MIPS_INVAL("MASK CMPU.EQ.QB");
13983 gen_reserved_instruction(ctx);
13984 break;
13985 }
13986 break;
13987 case OPC_SHLL_QB_DSP:
13988 gen_mipsdsp_shift(ctx, op1, rd, rs, rt);
13989 break;
13990 case OPC_DPA_W_PH_DSP:
13991 op2 = MASK_DPA_W_PH(ctx->opcode);
13992 switch (op2) {
13993 case OPC_DPAU_H_QBL:
13994 case OPC_DPAU_H_QBR:
13995 case OPC_DPSU_H_QBL:
13996 case OPC_DPSU_H_QBR:
13997 case OPC_DPA_W_PH:
13998 case OPC_DPAX_W_PH:
13999 case OPC_DPAQ_S_W_PH:
14000 case OPC_DPAQX_S_W_PH:
14001 case OPC_DPAQX_SA_W_PH:
14002 case OPC_DPS_W_PH:
14003 case OPC_DPSX_W_PH:
14004 case OPC_DPSQ_S_W_PH:
14005 case OPC_DPSQX_S_W_PH:
14006 case OPC_DPSQX_SA_W_PH:
14007 case OPC_MULSAQ_S_W_PH:
14008 case OPC_DPAQ_SA_L_W:
14009 case OPC_DPSQ_SA_L_W:
14010 case OPC_MAQ_S_W_PHL:
14011 case OPC_MAQ_S_W_PHR:
14012 case OPC_MAQ_SA_W_PHL:
14013 case OPC_MAQ_SA_W_PHR:
14014 case OPC_MULSA_W_PH:
14015 gen_mipsdsp_multiply(ctx, op1, op2, rd, rs, rt, 0);
14016 break;
14017 default: /* Invalid */
14018 MIPS_INVAL("MASK DPAW.PH");
14019 gen_reserved_instruction(ctx);
14020 break;
14021 }
14022 break;
14023 case OPC_INSV_DSP:
14024 op2 = MASK_INSV(ctx->opcode);
14025 switch (op2) {
14026 case OPC_INSV:
14027 check_dsp(ctx);
14028 {
14029 TCGv t0, t1;
14030
14031 if (rt == 0) {
14032 break;
14033 }
14034
14035 t0 = tcg_temp_new();
14036 t1 = tcg_temp_new();
14037
14038 gen_load_gpr(t0, rt);
14039 gen_load_gpr(t1, rs);
14040
14041 gen_helper_insv(cpu_gpr[rt], tcg_env, t1, t0);
14042 break;
14043 }
14044 default: /* Invalid */
14045 MIPS_INVAL("MASK INSV");
14046 gen_reserved_instruction(ctx);
14047 break;
14048 }
14049 break;
14050 case OPC_APPEND_DSP:
14051 gen_mipsdsp_append(env, ctx, op1, rt, rs, rd);
14052 break;
14053 case OPC_EXTR_W_DSP:
14054 op2 = MASK_EXTR_W(ctx->opcode);
14055 switch (op2) {
14056 case OPC_EXTR_W:
14057 case OPC_EXTR_R_W:
14058 case OPC_EXTR_RS_W:
14059 case OPC_EXTR_S_H:
14060 case OPC_EXTRV_S_H:
14061 case OPC_EXTRV_W:
14062 case OPC_EXTRV_R_W:
14063 case OPC_EXTRV_RS_W:
14064 case OPC_EXTP:
14065 case OPC_EXTPV:
14066 case OPC_EXTPDP:
14067 case OPC_EXTPDPV:
14068 gen_mipsdsp_accinsn(ctx, op1, op2, rt, rs, rd, 1);
14069 break;
14070 case OPC_RDDSP:
14071 gen_mipsdsp_accinsn(ctx, op1, op2, rd, rs, rt, 1);
14072 break;
14073 case OPC_SHILO:
14074 case OPC_SHILOV:
14075 case OPC_MTHLIP:
14076 case OPC_WRDSP:
14077 gen_mipsdsp_accinsn(ctx, op1, op2, rd, rs, rt, 0);
14078 break;
14079 default: /* Invalid */
14080 MIPS_INVAL("MASK EXTR.W");
14081 gen_reserved_instruction(ctx);
14082 break;
14083 }
14084 break;
14085 #if defined(TARGET_MIPS64)
14086 case OPC_DDIV_G_2E:
14087 case OPC_DDIVU_G_2E:
14088 case OPC_DMULT_G_2E:
14089 case OPC_DMULTU_G_2E:
14090 case OPC_DMOD_G_2E:
14091 case OPC_DMODU_G_2E:
14092 check_insn(ctx, INSN_LOONGSON2E);
14093 gen_loongson_integer(ctx, op1, rd, rs, rt);
14094 break;
14095 case OPC_ABSQ_S_QH_DSP:
14096 op2 = MASK_ABSQ_S_QH(ctx->opcode);
14097 switch (op2) {
14098 case OPC_PRECEQ_L_PWL:
14099 case OPC_PRECEQ_L_PWR:
14100 case OPC_PRECEQ_PW_QHL:
14101 case OPC_PRECEQ_PW_QHR:
14102 case OPC_PRECEQ_PW_QHLA:
14103 case OPC_PRECEQ_PW_QHRA:
14104 case OPC_PRECEQU_QH_OBL:
14105 case OPC_PRECEQU_QH_OBR:
14106 case OPC_PRECEQU_QH_OBLA:
14107 case OPC_PRECEQU_QH_OBRA:
14108 case OPC_PRECEU_QH_OBL:
14109 case OPC_PRECEU_QH_OBR:
14110 case OPC_PRECEU_QH_OBLA:
14111 case OPC_PRECEU_QH_OBRA:
14112 case OPC_ABSQ_S_OB:
14113 case OPC_ABSQ_S_PW:
14114 case OPC_ABSQ_S_QH:
14115 gen_mipsdsp_arith(ctx, op1, op2, rd, rs, rt);
14116 break;
14117 case OPC_REPL_OB:
14118 case OPC_REPL_PW:
14119 case OPC_REPL_QH:
14120 case OPC_REPLV_OB:
14121 case OPC_REPLV_PW:
14122 case OPC_REPLV_QH:
14123 gen_mipsdsp_bitinsn(ctx, op1, op2, rd, rt);
14124 break;
14125 default: /* Invalid */
14126 MIPS_INVAL("MASK ABSQ_S.QH");
14127 gen_reserved_instruction(ctx);
14128 break;
14129 }
14130 break;
14131 case OPC_ADDU_OB_DSP:
14132 op2 = MASK_ADDU_OB(ctx->opcode);
14133 switch (op2) {
14134 case OPC_RADDU_L_OB:
14135 case OPC_SUBQ_PW:
14136 case OPC_SUBQ_S_PW:
14137 case OPC_SUBQ_QH:
14138 case OPC_SUBQ_S_QH:
14139 case OPC_SUBU_OB:
14140 case OPC_SUBU_S_OB:
14141 case OPC_SUBU_QH:
14142 case OPC_SUBU_S_QH:
14143 case OPC_SUBUH_OB:
14144 case OPC_SUBUH_R_OB:
14145 case OPC_ADDQ_PW:
14146 case OPC_ADDQ_S_PW:
14147 case OPC_ADDQ_QH:
14148 case OPC_ADDQ_S_QH:
14149 case OPC_ADDU_OB:
14150 case OPC_ADDU_S_OB:
14151 case OPC_ADDU_QH:
14152 case OPC_ADDU_S_QH:
14153 case OPC_ADDUH_OB:
14154 case OPC_ADDUH_R_OB:
14155 gen_mipsdsp_arith(ctx, op1, op2, rd, rs, rt);
14156 break;
14157 case OPC_MULEQ_S_PW_QHL:
14158 case OPC_MULEQ_S_PW_QHR:
14159 case OPC_MULEU_S_QH_OBL:
14160 case OPC_MULEU_S_QH_OBR:
14161 case OPC_MULQ_RS_QH:
14162 gen_mipsdsp_multiply(ctx, op1, op2, rd, rs, rt, 1);
14163 break;
14164 default: /* Invalid */
14165 MIPS_INVAL("MASK ADDU.OB");
14166 gen_reserved_instruction(ctx);
14167 break;
14168 }
14169 break;
14170 case OPC_CMPU_EQ_OB_DSP:
14171 op2 = MASK_CMPU_EQ_OB(ctx->opcode);
14172 switch (op2) {
14173 case OPC_PRECR_SRA_QH_PW:
14174 case OPC_PRECR_SRA_R_QH_PW:
14175 /* Return value is rt. */
14176 gen_mipsdsp_arith(ctx, op1, op2, rt, rs, rd);
14177 break;
14178 case OPC_PRECR_OB_QH:
14179 case OPC_PRECRQ_OB_QH:
14180 case OPC_PRECRQ_PW_L:
14181 case OPC_PRECRQ_QH_PW:
14182 case OPC_PRECRQ_RS_QH_PW:
14183 case OPC_PRECRQU_S_OB_QH:
14184 gen_mipsdsp_arith(ctx, op1, op2, rd, rs, rt);
14185 break;
14186 case OPC_CMPU_EQ_OB:
14187 case OPC_CMPU_LT_OB:
14188 case OPC_CMPU_LE_OB:
14189 case OPC_CMP_EQ_QH:
14190 case OPC_CMP_LT_QH:
14191 case OPC_CMP_LE_QH:
14192 case OPC_CMP_EQ_PW:
14193 case OPC_CMP_LT_PW:
14194 case OPC_CMP_LE_PW:
14195 gen_mipsdsp_add_cmp_pick(ctx, op1, op2, rd, rs, rt, 0);
14196 break;
14197 case OPC_CMPGDU_EQ_OB:
14198 case OPC_CMPGDU_LT_OB:
14199 case OPC_CMPGDU_LE_OB:
14200 case OPC_CMPGU_EQ_OB:
14201 case OPC_CMPGU_LT_OB:
14202 case OPC_CMPGU_LE_OB:
14203 case OPC_PACKRL_PW:
14204 case OPC_PICK_OB:
14205 case OPC_PICK_PW:
14206 case OPC_PICK_QH:
14207 gen_mipsdsp_add_cmp_pick(ctx, op1, op2, rd, rs, rt, 1);
14208 break;
14209 default: /* Invalid */
14210 MIPS_INVAL("MASK CMPU_EQ.OB");
14211 gen_reserved_instruction(ctx);
14212 break;
14213 }
14214 break;
14215 case OPC_DAPPEND_DSP:
14216 gen_mipsdsp_append(env, ctx, op1, rt, rs, rd);
14217 break;
14218 case OPC_DEXTR_W_DSP:
14219 op2 = MASK_DEXTR_W(ctx->opcode);
14220 switch (op2) {
14221 case OPC_DEXTP:
14222 case OPC_DEXTPDP:
14223 case OPC_DEXTPDPV:
14224 case OPC_DEXTPV:
14225 case OPC_DEXTR_L:
14226 case OPC_DEXTR_R_L:
14227 case OPC_DEXTR_RS_L:
14228 case OPC_DEXTR_W:
14229 case OPC_DEXTR_R_W:
14230 case OPC_DEXTR_RS_W:
14231 case OPC_DEXTR_S_H:
14232 case OPC_DEXTRV_L:
14233 case OPC_DEXTRV_R_L:
14234 case OPC_DEXTRV_RS_L:
14235 case OPC_DEXTRV_S_H:
14236 case OPC_DEXTRV_W:
14237 case OPC_DEXTRV_R_W:
14238 case OPC_DEXTRV_RS_W:
14239 gen_mipsdsp_accinsn(ctx, op1, op2, rt, rs, rd, 1);
14240 break;
14241 case OPC_DMTHLIP:
14242 case OPC_DSHILO:
14243 case OPC_DSHILOV:
14244 gen_mipsdsp_accinsn(ctx, op1, op2, rd, rs, rt, 0);
14245 break;
14246 default: /* Invalid */
14247 MIPS_INVAL("MASK EXTR.W");
14248 gen_reserved_instruction(ctx);
14249 break;
14250 }
14251 break;
14252 case OPC_DPAQ_W_QH_DSP:
14253 op2 = MASK_DPAQ_W_QH(ctx->opcode);
14254 switch (op2) {
14255 case OPC_DPAU_H_OBL:
14256 case OPC_DPAU_H_OBR:
14257 case OPC_DPSU_H_OBL:
14258 case OPC_DPSU_H_OBR:
14259 case OPC_DPA_W_QH:
14260 case OPC_DPAQ_S_W_QH:
14261 case OPC_DPS_W_QH:
14262 case OPC_DPSQ_S_W_QH:
14263 case OPC_MULSAQ_S_W_QH:
14264 case OPC_DPAQ_SA_L_PW:
14265 case OPC_DPSQ_SA_L_PW:
14266 case OPC_MULSAQ_S_L_PW:
14267 gen_mipsdsp_multiply(ctx, op1, op2, rd, rs, rt, 0);
14268 break;
14269 case OPC_MAQ_S_W_QHLL:
14270 case OPC_MAQ_S_W_QHLR:
14271 case OPC_MAQ_S_W_QHRL:
14272 case OPC_MAQ_S_W_QHRR:
14273 case OPC_MAQ_SA_W_QHLL:
14274 case OPC_MAQ_SA_W_QHLR:
14275 case OPC_MAQ_SA_W_QHRL:
14276 case OPC_MAQ_SA_W_QHRR:
14277 case OPC_MAQ_S_L_PWL:
14278 case OPC_MAQ_S_L_PWR:
14279 case OPC_DMADD:
14280 case OPC_DMADDU:
14281 case OPC_DMSUB:
14282 case OPC_DMSUBU:
14283 gen_mipsdsp_multiply(ctx, op1, op2, rd, rs, rt, 0);
14284 break;
14285 default: /* Invalid */
14286 MIPS_INVAL("MASK DPAQ.W.QH");
14287 gen_reserved_instruction(ctx);
14288 break;
14289 }
14290 break;
14291 case OPC_DINSV_DSP:
14292 op2 = MASK_INSV(ctx->opcode);
14293 switch (op2) {
14294 case OPC_DINSV:
14295 {
14296 TCGv t0, t1;
14297
14298 check_dsp(ctx);
14299
14300 if (rt == 0) {
14301 break;
14302 }
14303
14304 t0 = tcg_temp_new();
14305 t1 = tcg_temp_new();
14306
14307 gen_load_gpr(t0, rt);
14308 gen_load_gpr(t1, rs);
14309
14310 gen_helper_dinsv(cpu_gpr[rt], tcg_env, t1, t0);
14311 break;
14312 }
14313 default: /* Invalid */
14314 MIPS_INVAL("MASK DINSV");
14315 gen_reserved_instruction(ctx);
14316 break;
14317 }
14318 break;
14319 case OPC_SHLL_OB_DSP:
14320 gen_mipsdsp_shift(ctx, op1, rd, rs, rt);
14321 break;
14322 #endif
14323 default: /* Invalid */
14324 MIPS_INVAL("special3_legacy");
14325 gen_reserved_instruction(ctx);
14326 break;
14327 }
14328 }
14329
14330
14331 #if defined(TARGET_MIPS64)
14332
decode_mmi(CPUMIPSState * env,DisasContext * ctx)14333 static void decode_mmi(CPUMIPSState *env, DisasContext *ctx)
14334 {
14335 uint32_t opc = MASK_MMI(ctx->opcode);
14336 int rs = extract32(ctx->opcode, 21, 5);
14337 int rt = extract32(ctx->opcode, 16, 5);
14338 int rd = extract32(ctx->opcode, 11, 5);
14339
14340 switch (opc) {
14341 case MMI_OPC_MULT1:
14342 case MMI_OPC_MULTU1:
14343 case MMI_OPC_MADD:
14344 case MMI_OPC_MADDU:
14345 case MMI_OPC_MADD1:
14346 case MMI_OPC_MADDU1:
14347 gen_mul_txx9(ctx, opc, rd, rs, rt);
14348 break;
14349 case MMI_OPC_DIV1:
14350 case MMI_OPC_DIVU1:
14351 gen_div1_tx79(ctx, opc, rs, rt);
14352 break;
14353 default:
14354 MIPS_INVAL("TX79 MMI class");
14355 gen_reserved_instruction(ctx);
14356 break;
14357 }
14358 }
14359
gen_mmi_sq(DisasContext * ctx,int base,int rt,int offset)14360 static void gen_mmi_sq(DisasContext *ctx, int base, int rt, int offset)
14361 {
14362 gen_reserved_instruction(ctx); /* TODO: MMI_OPC_SQ */
14363 }
14364
14365 /*
14366 * The TX79-specific instruction Store Quadword
14367 *
14368 * +--------+-------+-------+------------------------+
14369 * | 011111 | base | rt | offset | SQ
14370 * +--------+-------+-------+------------------------+
14371 * 6 5 5 16
14372 *
14373 * has the same opcode as the Read Hardware Register instruction
14374 *
14375 * +--------+-------+-------+-------+-------+--------+
14376 * | 011111 | 00000 | rt | rd | 00000 | 111011 | RDHWR
14377 * +--------+-------+-------+-------+-------+--------+
14378 * 6 5 5 5 5 6
14379 *
14380 * that is required, trapped and emulated by the Linux kernel. However, all
14381 * RDHWR encodings yield address error exceptions on the TX79 since the SQ
14382 * offset is odd. Therefore all valid SQ instructions can execute normally.
14383 * In user mode, QEMU must verify the upper and lower 11 bits to distinguish
14384 * between SQ and RDHWR, as the Linux kernel does.
14385 */
decode_mmi_sq(CPUMIPSState * env,DisasContext * ctx)14386 static void decode_mmi_sq(CPUMIPSState *env, DisasContext *ctx)
14387 {
14388 int base = extract32(ctx->opcode, 21, 5);
14389 int rt = extract32(ctx->opcode, 16, 5);
14390 int offset = extract32(ctx->opcode, 0, 16);
14391
14392 #ifdef CONFIG_USER_ONLY
14393 uint32_t op1 = MASK_SPECIAL3(ctx->opcode);
14394 uint32_t op2 = extract32(ctx->opcode, 6, 5);
14395
14396 if (base == 0 && op2 == 0 && op1 == OPC_RDHWR) {
14397 int rd = extract32(ctx->opcode, 11, 5);
14398
14399 gen_rdhwr(ctx, rt, rd, 0);
14400 return;
14401 }
14402 #endif
14403
14404 gen_mmi_sq(ctx, base, rt, offset);
14405 }
14406
14407 #endif
14408
decode_opc_special3(CPUMIPSState * env,DisasContext * ctx)14409 static void decode_opc_special3(CPUMIPSState *env, DisasContext *ctx)
14410 {
14411 int rs, rt, rd, sa;
14412 uint32_t op1, op2;
14413 int16_t imm;
14414
14415 rs = (ctx->opcode >> 21) & 0x1f;
14416 rt = (ctx->opcode >> 16) & 0x1f;
14417 rd = (ctx->opcode >> 11) & 0x1f;
14418 sa = (ctx->opcode >> 6) & 0x1f;
14419 imm = sextract32(ctx->opcode, 7, 9);
14420
14421 op1 = MASK_SPECIAL3(ctx->opcode);
14422
14423 /*
14424 * EVA loads and stores overlap Loongson 2E instructions decoded by
14425 * decode_opc_special3_legacy(), so be careful to allow their decoding when
14426 * EVA is absent.
14427 */
14428 if (ctx->eva) {
14429 switch (op1) {
14430 case OPC_LWLE:
14431 case OPC_LWRE:
14432 case OPC_LBUE:
14433 case OPC_LHUE:
14434 case OPC_LBE:
14435 case OPC_LHE:
14436 case OPC_LLE:
14437 case OPC_LWE:
14438 check_cp0_enabled(ctx);
14439 gen_ld(ctx, op1, rt, rs, imm);
14440 return;
14441 case OPC_SWLE:
14442 case OPC_SWRE:
14443 case OPC_SBE:
14444 case OPC_SHE:
14445 case OPC_SWE:
14446 check_cp0_enabled(ctx);
14447 gen_st(ctx, op1, rt, rs, imm);
14448 return;
14449 case OPC_SCE:
14450 check_cp0_enabled(ctx);
14451 gen_st_cond(ctx, rt, rs, imm, MO_TESL, true);
14452 return;
14453 case OPC_CACHEE:
14454 check_eva(ctx);
14455 check_cp0_enabled(ctx);
14456 if (ctx->hflags & MIPS_HFLAG_ITC_CACHE) {
14457 gen_cache_operation(ctx, rt, rs, imm);
14458 }
14459 return;
14460 case OPC_PREFE:
14461 check_cp0_enabled(ctx);
14462 /* Treat as NOP. */
14463 return;
14464 }
14465 }
14466
14467 switch (op1) {
14468 case OPC_EXT:
14469 case OPC_INS:
14470 check_insn(ctx, ISA_MIPS_R2);
14471 gen_bitops(ctx, op1, rt, rs, sa, rd);
14472 break;
14473 case OPC_BSHFL:
14474 op2 = MASK_BSHFL(ctx->opcode);
14475 switch (op2) {
14476 case OPC_ALIGN:
14477 case OPC_ALIGN_1:
14478 case OPC_ALIGN_2:
14479 case OPC_ALIGN_3:
14480 case OPC_BITSWAP:
14481 check_insn(ctx, ISA_MIPS_R6);
14482 decode_opc_special3_r6(env, ctx);
14483 break;
14484 default:
14485 check_insn(ctx, ISA_MIPS_R2);
14486 gen_bshfl(ctx, op2, rt, rd);
14487 break;
14488 }
14489 break;
14490 #if defined(TARGET_MIPS64)
14491 case OPC_DEXTM:
14492 case OPC_DEXTU:
14493 case OPC_DEXT:
14494 case OPC_DINSM:
14495 case OPC_DINSU:
14496 case OPC_DINS:
14497 check_insn(ctx, ISA_MIPS_R2);
14498 check_mips_64(ctx);
14499 gen_bitops(ctx, op1, rt, rs, sa, rd);
14500 break;
14501 case OPC_DBSHFL:
14502 op2 = MASK_DBSHFL(ctx->opcode);
14503 switch (op2) {
14504 case OPC_DALIGN:
14505 case OPC_DALIGN_1:
14506 case OPC_DALIGN_2:
14507 case OPC_DALIGN_3:
14508 case OPC_DALIGN_4:
14509 case OPC_DALIGN_5:
14510 case OPC_DALIGN_6:
14511 case OPC_DALIGN_7:
14512 case OPC_DBITSWAP:
14513 check_insn(ctx, ISA_MIPS_R6);
14514 decode_opc_special3_r6(env, ctx);
14515 break;
14516 default:
14517 check_insn(ctx, ISA_MIPS_R2);
14518 check_mips_64(ctx);
14519 op2 = MASK_DBSHFL(ctx->opcode);
14520 gen_bshfl(ctx, op2, rt, rd);
14521 break;
14522 }
14523 break;
14524 #endif
14525 case OPC_RDHWR:
14526 gen_rdhwr(ctx, rt, rd, extract32(ctx->opcode, 6, 3));
14527 break;
14528 case OPC_FORK:
14529 check_mt(ctx);
14530 {
14531 TCGv t0 = tcg_temp_new();
14532 TCGv t1 = tcg_temp_new();
14533
14534 gen_load_gpr(t0, rt);
14535 gen_load_gpr(t1, rs);
14536 gen_helper_fork(t0, t1);
14537 }
14538 break;
14539 case OPC_YIELD:
14540 check_mt(ctx);
14541 {
14542 TCGv t0 = tcg_temp_new();
14543
14544 gen_load_gpr(t0, rs);
14545 gen_helper_yield(t0, tcg_env, t0);
14546 gen_store_gpr(t0, rd);
14547 }
14548 break;
14549 default:
14550 if (ctx->insn_flags & ISA_MIPS_R6) {
14551 decode_opc_special3_r6(env, ctx);
14552 } else {
14553 decode_opc_special3_legacy(env, ctx);
14554 }
14555 }
14556 }
14557
decode_opc_legacy(CPUMIPSState * env,DisasContext * ctx)14558 static bool decode_opc_legacy(CPUMIPSState *env, DisasContext *ctx)
14559 {
14560 int32_t offset;
14561 int rs, rt, rd, sa;
14562 uint32_t op, op1;
14563 int16_t imm;
14564
14565 op = MASK_OP_MAJOR(ctx->opcode);
14566 rs = (ctx->opcode >> 21) & 0x1f;
14567 rt = (ctx->opcode >> 16) & 0x1f;
14568 rd = (ctx->opcode >> 11) & 0x1f;
14569 sa = (ctx->opcode >> 6) & 0x1f;
14570 imm = (int16_t)ctx->opcode;
14571 switch (op) {
14572 case OPC_SPECIAL:
14573 decode_opc_special(env, ctx);
14574 break;
14575 case OPC_SPECIAL2:
14576 #if defined(TARGET_MIPS64)
14577 if ((ctx->insn_flags & INSN_R5900) && (ctx->insn_flags & ASE_MMI)) {
14578 decode_mmi(env, ctx);
14579 break;
14580 }
14581 #endif
14582 if (TARGET_LONG_BITS == 32 && (ctx->insn_flags & ASE_MXU)) {
14583 if (decode_ase_mxu(ctx, ctx->opcode)) {
14584 break;
14585 }
14586 }
14587 decode_opc_special2_legacy(env, ctx);
14588 break;
14589 case OPC_SPECIAL3:
14590 #if defined(TARGET_MIPS64)
14591 if (ctx->insn_flags & INSN_R5900) {
14592 decode_mmi_sq(env, ctx); /* MMI_OPC_SQ */
14593 } else {
14594 decode_opc_special3(env, ctx);
14595 }
14596 #else
14597 decode_opc_special3(env, ctx);
14598 #endif
14599 break;
14600 case OPC_REGIMM:
14601 op1 = MASK_REGIMM(ctx->opcode);
14602 switch (op1) {
14603 case OPC_BLTZL: /* REGIMM branches */
14604 case OPC_BGEZL:
14605 case OPC_BLTZALL:
14606 case OPC_BGEZALL:
14607 check_insn(ctx, ISA_MIPS2);
14608 check_insn_opc_removed(ctx, ISA_MIPS_R6);
14609 /* Fallthrough */
14610 case OPC_BLTZ:
14611 case OPC_BGEZ:
14612 gen_compute_branch(ctx, op1, 4, rs, -1, imm << 2, 4);
14613 break;
14614 case OPC_BLTZAL:
14615 case OPC_BGEZAL:
14616 if (ctx->insn_flags & ISA_MIPS_R6) {
14617 if (rs == 0) {
14618 /* OPC_NAL, OPC_BAL */
14619 gen_compute_branch(ctx, op1, 4, 0, -1, imm << 2, 4);
14620 } else {
14621 gen_reserved_instruction(ctx);
14622 }
14623 } else {
14624 gen_compute_branch(ctx, op1, 4, rs, -1, imm << 2, 4);
14625 }
14626 break;
14627 case OPC_TGEI: /* REGIMM traps */
14628 case OPC_TGEIU:
14629 case OPC_TLTI:
14630 case OPC_TLTIU:
14631 case OPC_TEQI:
14632 case OPC_TNEI:
14633 check_insn(ctx, ISA_MIPS2);
14634 check_insn_opc_removed(ctx, ISA_MIPS_R6);
14635 gen_trap(ctx, op1, rs, -1, imm, 0);
14636 break;
14637 case OPC_SIGRIE:
14638 check_insn(ctx, ISA_MIPS_R6);
14639 gen_reserved_instruction(ctx);
14640 break;
14641 case OPC_SYNCI:
14642 check_insn(ctx, ISA_MIPS_R2);
14643 /*
14644 * Break the TB to be able to sync copied instructions
14645 * immediately.
14646 */
14647 ctx->base.is_jmp = DISAS_STOP;
14648 break;
14649 case OPC_BPOSGE32: /* MIPS DSP branch */
14650 #if defined(TARGET_MIPS64)
14651 case OPC_BPOSGE64:
14652 #endif
14653 check_dsp(ctx);
14654 gen_compute_branch(ctx, op1, 4, -1, -2, (int32_t)imm << 2, 4);
14655 break;
14656 #if defined(TARGET_MIPS64)
14657 case OPC_DAHI:
14658 check_insn(ctx, ISA_MIPS_R6);
14659 check_mips_64(ctx);
14660 if (rs != 0) {
14661 tcg_gen_addi_tl(cpu_gpr[rs], cpu_gpr[rs], (int64_t)imm << 32);
14662 }
14663 break;
14664 case OPC_DATI:
14665 check_insn(ctx, ISA_MIPS_R6);
14666 check_mips_64(ctx);
14667 if (rs != 0) {
14668 tcg_gen_addi_tl(cpu_gpr[rs], cpu_gpr[rs], (int64_t)imm << 48);
14669 }
14670 break;
14671 #endif
14672 default: /* Invalid */
14673 MIPS_INVAL("regimm");
14674 gen_reserved_instruction(ctx);
14675 break;
14676 }
14677 break;
14678 case OPC_CP0:
14679 check_cp0_enabled(ctx);
14680 op1 = MASK_CP0(ctx->opcode);
14681 switch (op1) {
14682 case OPC_MFC0:
14683 case OPC_MTC0:
14684 case OPC_MFTR:
14685 case OPC_MTTR:
14686 case OPC_MFHC0:
14687 case OPC_MTHC0:
14688 #if defined(TARGET_MIPS64)
14689 case OPC_DMFC0:
14690 case OPC_DMTC0:
14691 #endif
14692 #ifndef CONFIG_USER_ONLY
14693 gen_cp0(env, ctx, op1, rt, rd);
14694 #endif /* !CONFIG_USER_ONLY */
14695 break;
14696 case OPC_C0:
14697 case OPC_C0_1:
14698 case OPC_C0_2:
14699 case OPC_C0_3:
14700 case OPC_C0_4:
14701 case OPC_C0_5:
14702 case OPC_C0_6:
14703 case OPC_C0_7:
14704 case OPC_C0_8:
14705 case OPC_C0_9:
14706 case OPC_C0_A:
14707 case OPC_C0_B:
14708 case OPC_C0_C:
14709 case OPC_C0_D:
14710 case OPC_C0_E:
14711 case OPC_C0_F:
14712 #ifndef CONFIG_USER_ONLY
14713 gen_cp0(env, ctx, MASK_C0(ctx->opcode), rt, rd);
14714 #endif /* !CONFIG_USER_ONLY */
14715 break;
14716 case OPC_MFMC0:
14717 #ifndef CONFIG_USER_ONLY
14718 {
14719 uint32_t op2;
14720 TCGv t0 = tcg_temp_new();
14721
14722 op2 = MASK_MFMC0(ctx->opcode);
14723 switch (op2) {
14724 case OPC_DMT:
14725 check_cp0_mt(ctx);
14726 gen_helper_dmt(t0);
14727 gen_store_gpr(t0, rt);
14728 break;
14729 case OPC_EMT:
14730 check_cp0_mt(ctx);
14731 gen_helper_emt(t0);
14732 gen_store_gpr(t0, rt);
14733 break;
14734 case OPC_DVPE:
14735 check_cp0_mt(ctx);
14736 gen_helper_dvpe(t0, tcg_env);
14737 gen_store_gpr(t0, rt);
14738 break;
14739 case OPC_EVPE:
14740 check_cp0_mt(ctx);
14741 gen_helper_evpe(t0, tcg_env);
14742 gen_store_gpr(t0, rt);
14743 break;
14744 case OPC_DVP:
14745 check_insn(ctx, ISA_MIPS_R6);
14746 if (ctx->vp) {
14747 gen_helper_dvp(t0, tcg_env);
14748 gen_store_gpr(t0, rt);
14749 }
14750 break;
14751 case OPC_EVP:
14752 check_insn(ctx, ISA_MIPS_R6);
14753 if (ctx->vp) {
14754 gen_helper_evp(t0, tcg_env);
14755 gen_store_gpr(t0, rt);
14756 }
14757 break;
14758 case OPC_DI:
14759 check_insn(ctx, ISA_MIPS_R2);
14760 save_cpu_state(ctx, 1);
14761 gen_helper_di(t0, tcg_env);
14762 gen_store_gpr(t0, rt);
14763 /*
14764 * Stop translation as we may have switched
14765 * the execution mode.
14766 */
14767 ctx->base.is_jmp = DISAS_STOP;
14768 break;
14769 case OPC_EI:
14770 check_insn(ctx, ISA_MIPS_R2);
14771 save_cpu_state(ctx, 1);
14772 gen_helper_ei(t0, tcg_env);
14773 gen_store_gpr(t0, rt);
14774 /*
14775 * DISAS_STOP isn't sufficient, we need to ensure we break
14776 * out of translated code to check for pending interrupts.
14777 */
14778 gen_save_pc(ctx->base.pc_next + 4);
14779 ctx->base.is_jmp = DISAS_EXIT;
14780 break;
14781 default: /* Invalid */
14782 MIPS_INVAL("mfmc0");
14783 gen_reserved_instruction(ctx);
14784 break;
14785 }
14786 }
14787 #endif /* !CONFIG_USER_ONLY */
14788 break;
14789 case OPC_RDPGPR:
14790 check_insn(ctx, ISA_MIPS_R2);
14791 gen_load_srsgpr(rt, rd);
14792 break;
14793 case OPC_WRPGPR:
14794 check_insn(ctx, ISA_MIPS_R2);
14795 gen_store_srsgpr(rt, rd);
14796 break;
14797 default:
14798 MIPS_INVAL("cp0");
14799 gen_reserved_instruction(ctx);
14800 break;
14801 }
14802 break;
14803 case OPC_BOVC: /* OPC_BEQZALC, OPC_BEQC, OPC_ADDI */
14804 if (ctx->insn_flags & ISA_MIPS_R6) {
14805 /* OPC_BOVC, OPC_BEQZALC, OPC_BEQC */
14806 gen_compute_compact_branch(ctx, op, rs, rt, imm << 2);
14807 } else {
14808 /* OPC_ADDI */
14809 /* Arithmetic with immediate opcode */
14810 gen_arith_imm(ctx, op, rt, rs, imm);
14811 }
14812 break;
14813 case OPC_ADDIU:
14814 gen_arith_imm(ctx, op, rt, rs, imm);
14815 break;
14816 case OPC_SLTI: /* Set on less than with immediate opcode */
14817 case OPC_SLTIU:
14818 gen_slt_imm(ctx, op, rt, rs, imm);
14819 break;
14820 case OPC_ANDI: /* Arithmetic with immediate opcode */
14821 case OPC_LUI: /* OPC_AUI */
14822 case OPC_ORI:
14823 case OPC_XORI:
14824 gen_logic_imm(ctx, op, rt, rs, imm);
14825 break;
14826 case OPC_J: /* Jump */
14827 case OPC_JAL:
14828 offset = (int32_t)(ctx->opcode & 0x3FFFFFF) << 2;
14829 gen_compute_branch(ctx, op, 4, rs, rt, offset, 4);
14830 break;
14831 /* Branch */
14832 case OPC_BLEZC: /* OPC_BGEZC, OPC_BGEC, OPC_BLEZL */
14833 if (ctx->insn_flags & ISA_MIPS_R6) {
14834 if (rt == 0) {
14835 gen_reserved_instruction(ctx);
14836 break;
14837 }
14838 /* OPC_BLEZC, OPC_BGEZC, OPC_BGEC */
14839 gen_compute_compact_branch(ctx, op, rs, rt, imm << 2);
14840 } else {
14841 /* OPC_BLEZL */
14842 gen_compute_branch(ctx, op, 4, rs, rt, imm << 2, 4);
14843 }
14844 break;
14845 case OPC_BGTZC: /* OPC_BLTZC, OPC_BLTC, OPC_BGTZL */
14846 if (ctx->insn_flags & ISA_MIPS_R6) {
14847 if (rt == 0) {
14848 gen_reserved_instruction(ctx);
14849 break;
14850 }
14851 /* OPC_BGTZC, OPC_BLTZC, OPC_BLTC */
14852 gen_compute_compact_branch(ctx, op, rs, rt, imm << 2);
14853 } else {
14854 /* OPC_BGTZL */
14855 gen_compute_branch(ctx, op, 4, rs, rt, imm << 2, 4);
14856 }
14857 break;
14858 case OPC_BLEZALC: /* OPC_BGEZALC, OPC_BGEUC, OPC_BLEZ */
14859 if (rt == 0) {
14860 /* OPC_BLEZ */
14861 gen_compute_branch(ctx, op, 4, rs, rt, imm << 2, 4);
14862 } else {
14863 check_insn(ctx, ISA_MIPS_R6);
14864 /* OPC_BLEZALC, OPC_BGEZALC, OPC_BGEUC */
14865 gen_compute_compact_branch(ctx, op, rs, rt, imm << 2);
14866 }
14867 break;
14868 case OPC_BGTZALC: /* OPC_BLTZALC, OPC_BLTUC, OPC_BGTZ */
14869 if (rt == 0) {
14870 /* OPC_BGTZ */
14871 gen_compute_branch(ctx, op, 4, rs, rt, imm << 2, 4);
14872 } else {
14873 check_insn(ctx, ISA_MIPS_R6);
14874 /* OPC_BGTZALC, OPC_BLTZALC, OPC_BLTUC */
14875 gen_compute_compact_branch(ctx, op, rs, rt, imm << 2);
14876 }
14877 break;
14878 case OPC_BEQL:
14879 case OPC_BNEL:
14880 check_insn(ctx, ISA_MIPS2);
14881 check_insn_opc_removed(ctx, ISA_MIPS_R6);
14882 /* Fallthrough */
14883 case OPC_BEQ:
14884 case OPC_BNE:
14885 gen_compute_branch(ctx, op, 4, rs, rt, imm << 2, 4);
14886 break;
14887 case OPC_LL: /* Load and stores */
14888 check_insn(ctx, ISA_MIPS2);
14889 if (ctx->insn_flags & INSN_R5900) {
14890 check_insn_opc_user_only(ctx, INSN_R5900);
14891 }
14892 /* Fallthrough */
14893 case OPC_LWL:
14894 case OPC_LWR:
14895 case OPC_LB:
14896 case OPC_LH:
14897 case OPC_LW:
14898 case OPC_LWPC:
14899 case OPC_LBU:
14900 case OPC_LHU:
14901 gen_ld(ctx, op, rt, rs, imm);
14902 break;
14903 case OPC_SWL:
14904 case OPC_SWR:
14905 case OPC_SB:
14906 case OPC_SH:
14907 case OPC_SW:
14908 gen_st(ctx, op, rt, rs, imm);
14909 break;
14910 case OPC_SC:
14911 check_insn(ctx, ISA_MIPS2);
14912 if (ctx->insn_flags & INSN_R5900) {
14913 check_insn_opc_user_only(ctx, INSN_R5900);
14914 }
14915 gen_st_cond(ctx, rt, rs, imm, MO_TESL, false);
14916 break;
14917 case OPC_CACHE:
14918 check_cp0_enabled(ctx);
14919 check_insn(ctx, ISA_MIPS3 | ISA_MIPS_R1);
14920 if (ctx->hflags & MIPS_HFLAG_ITC_CACHE) {
14921 gen_cache_operation(ctx, rt, rs, imm);
14922 }
14923 /* Treat as NOP. */
14924 break;
14925 case OPC_PREF:
14926 check_insn(ctx, ISA_MIPS4 | ISA_MIPS_R1 | INSN_R5900);
14927 /* Treat as NOP. */
14928 break;
14929
14930 /* Floating point (COP1). */
14931 case OPC_LWC1:
14932 case OPC_LDC1:
14933 case OPC_SWC1:
14934 case OPC_SDC1:
14935 gen_cop1_ldst(ctx, op, rt, rs, imm);
14936 break;
14937
14938 case OPC_CP1:
14939 op1 = MASK_CP1(ctx->opcode);
14940
14941 switch (op1) {
14942 case OPC_MFHC1:
14943 case OPC_MTHC1:
14944 check_cp1_enabled(ctx);
14945 check_insn(ctx, ISA_MIPS_R2);
14946 /* fall through */
14947 case OPC_MFC1:
14948 case OPC_CFC1:
14949 case OPC_MTC1:
14950 case OPC_CTC1:
14951 check_cp1_enabled(ctx);
14952 gen_cp1(ctx, op1, rt, rd);
14953 break;
14954 #if defined(TARGET_MIPS64)
14955 case OPC_DMFC1:
14956 case OPC_DMTC1:
14957 check_cp1_enabled(ctx);
14958 check_insn(ctx, ISA_MIPS3);
14959 check_mips_64(ctx);
14960 gen_cp1(ctx, op1, rt, rd);
14961 break;
14962 #endif
14963 case OPC_BC1EQZ: /* OPC_BC1ANY2 */
14964 check_cp1_enabled(ctx);
14965 if (ctx->insn_flags & ISA_MIPS_R6) {
14966 /* OPC_BC1EQZ */
14967 gen_compute_branch1_r6(ctx, MASK_CP1(ctx->opcode),
14968 rt, imm << 2, 4);
14969 } else {
14970 /* OPC_BC1ANY2 */
14971 check_cop1x(ctx);
14972 check_insn(ctx, ASE_MIPS3D);
14973 gen_compute_branch1(ctx, MASK_BC1(ctx->opcode),
14974 (rt >> 2) & 0x7, imm << 2);
14975 }
14976 break;
14977 case OPC_BC1NEZ:
14978 check_cp1_enabled(ctx);
14979 check_insn(ctx, ISA_MIPS_R6);
14980 gen_compute_branch1_r6(ctx, MASK_CP1(ctx->opcode),
14981 rt, imm << 2, 4);
14982 break;
14983 case OPC_BC1ANY4:
14984 check_cp1_enabled(ctx);
14985 check_insn_opc_removed(ctx, ISA_MIPS_R6);
14986 check_cop1x(ctx);
14987 check_insn(ctx, ASE_MIPS3D);
14988 /* fall through */
14989 case OPC_BC1:
14990 check_cp1_enabled(ctx);
14991 check_insn_opc_removed(ctx, ISA_MIPS_R6);
14992 gen_compute_branch1(ctx, MASK_BC1(ctx->opcode),
14993 (rt >> 2) & 0x7, imm << 2);
14994 break;
14995 case OPC_PS_FMT:
14996 check_ps(ctx);
14997 /* fall through */
14998 case OPC_S_FMT:
14999 case OPC_D_FMT:
15000 check_cp1_enabled(ctx);
15001 gen_farith(ctx, ctx->opcode & FOP(0x3f, 0x1f), rt, rd, sa,
15002 (imm >> 8) & 0x7);
15003 break;
15004 case OPC_W_FMT:
15005 case OPC_L_FMT:
15006 {
15007 int r6_op = ctx->opcode & FOP(0x3f, 0x1f);
15008 check_cp1_enabled(ctx);
15009 if (ctx->insn_flags & ISA_MIPS_R6) {
15010 switch (r6_op) {
15011 case R6_OPC_CMP_AF_S:
15012 case R6_OPC_CMP_UN_S:
15013 case R6_OPC_CMP_EQ_S:
15014 case R6_OPC_CMP_UEQ_S:
15015 case R6_OPC_CMP_LT_S:
15016 case R6_OPC_CMP_ULT_S:
15017 case R6_OPC_CMP_LE_S:
15018 case R6_OPC_CMP_ULE_S:
15019 case R6_OPC_CMP_SAF_S:
15020 case R6_OPC_CMP_SUN_S:
15021 case R6_OPC_CMP_SEQ_S:
15022 case R6_OPC_CMP_SEUQ_S:
15023 case R6_OPC_CMP_SLT_S:
15024 case R6_OPC_CMP_SULT_S:
15025 case R6_OPC_CMP_SLE_S:
15026 case R6_OPC_CMP_SULE_S:
15027 case R6_OPC_CMP_OR_S:
15028 case R6_OPC_CMP_UNE_S:
15029 case R6_OPC_CMP_NE_S:
15030 case R6_OPC_CMP_SOR_S:
15031 case R6_OPC_CMP_SUNE_S:
15032 case R6_OPC_CMP_SNE_S:
15033 gen_r6_cmp_s(ctx, ctx->opcode & 0x1f, rt, rd, sa);
15034 break;
15035 case R6_OPC_CMP_AF_D:
15036 case R6_OPC_CMP_UN_D:
15037 case R6_OPC_CMP_EQ_D:
15038 case R6_OPC_CMP_UEQ_D:
15039 case R6_OPC_CMP_LT_D:
15040 case R6_OPC_CMP_ULT_D:
15041 case R6_OPC_CMP_LE_D:
15042 case R6_OPC_CMP_ULE_D:
15043 case R6_OPC_CMP_SAF_D:
15044 case R6_OPC_CMP_SUN_D:
15045 case R6_OPC_CMP_SEQ_D:
15046 case R6_OPC_CMP_SEUQ_D:
15047 case R6_OPC_CMP_SLT_D:
15048 case R6_OPC_CMP_SULT_D:
15049 case R6_OPC_CMP_SLE_D:
15050 case R6_OPC_CMP_SULE_D:
15051 case R6_OPC_CMP_OR_D:
15052 case R6_OPC_CMP_UNE_D:
15053 case R6_OPC_CMP_NE_D:
15054 case R6_OPC_CMP_SOR_D:
15055 case R6_OPC_CMP_SUNE_D:
15056 case R6_OPC_CMP_SNE_D:
15057 gen_r6_cmp_d(ctx, ctx->opcode & 0x1f, rt, rd, sa);
15058 break;
15059 default:
15060 gen_farith(ctx, ctx->opcode & FOP(0x3f, 0x1f),
15061 rt, rd, sa, (imm >> 8) & 0x7);
15062
15063 break;
15064 }
15065 } else {
15066 gen_farith(ctx, ctx->opcode & FOP(0x3f, 0x1f), rt, rd, sa,
15067 (imm >> 8) & 0x7);
15068 }
15069 break;
15070 }
15071 default:
15072 MIPS_INVAL("cp1");
15073 gen_reserved_instruction(ctx);
15074 break;
15075 }
15076 break;
15077
15078 /* Compact branches [R6] and COP2 [non-R6] */
15079 case OPC_BC: /* OPC_LWC2 */
15080 case OPC_BALC: /* OPC_SWC2 */
15081 if (ctx->insn_flags & ISA_MIPS_R6) {
15082 /* OPC_BC, OPC_BALC */
15083 gen_compute_compact_branch(ctx, op, 0, 0,
15084 sextract32(ctx->opcode << 2, 0, 28));
15085 } else if (ctx->insn_flags & ASE_LEXT) {
15086 gen_loongson_lswc2(ctx, rt, rs, rd);
15087 } else {
15088 /* OPC_LWC2, OPC_SWC2 */
15089 /* COP2: Not implemented. */
15090 generate_exception_err(ctx, EXCP_CpU, 2);
15091 }
15092 break;
15093 case OPC_BEQZC: /* OPC_JIC, OPC_LDC2 */
15094 case OPC_BNEZC: /* OPC_JIALC, OPC_SDC2 */
15095 if (ctx->insn_flags & ISA_MIPS_R6) {
15096 if (rs != 0) {
15097 /* OPC_BEQZC, OPC_BNEZC */
15098 gen_compute_compact_branch(ctx, op, rs, 0,
15099 sextract32(ctx->opcode << 2, 0, 23));
15100 } else {
15101 /* OPC_JIC, OPC_JIALC */
15102 gen_compute_compact_branch(ctx, op, 0, rt, imm);
15103 }
15104 } else if (ctx->insn_flags & ASE_LEXT) {
15105 gen_loongson_lsdc2(ctx, rt, rs, rd);
15106 } else {
15107 /* OPC_LWC2, OPC_SWC2 */
15108 /* COP2: Not implemented. */
15109 generate_exception_err(ctx, EXCP_CpU, 2);
15110 }
15111 break;
15112 case OPC_CP2:
15113 check_insn(ctx, ASE_LMMI);
15114 /* Note that these instructions use different fields. */
15115 gen_loongson_multimedia(ctx, sa, rd, rt);
15116 break;
15117
15118 case OPC_CP3:
15119 if (ctx->CP0_Config1 & (1 << CP0C1_FP)) {
15120 check_cp1_enabled(ctx);
15121 op1 = MASK_CP3(ctx->opcode);
15122 switch (op1) {
15123 case OPC_LUXC1:
15124 case OPC_SUXC1:
15125 check_insn(ctx, ISA_MIPS5 | ISA_MIPS_R2);
15126 /* Fallthrough */
15127 case OPC_LWXC1:
15128 case OPC_LDXC1:
15129 case OPC_SWXC1:
15130 case OPC_SDXC1:
15131 check_insn(ctx, ISA_MIPS4 | ISA_MIPS_R2);
15132 gen_flt3_ldst(ctx, op1, sa, rd, rs, rt);
15133 break;
15134 case OPC_PREFX:
15135 check_insn(ctx, ISA_MIPS4 | ISA_MIPS_R2);
15136 /* Treat as NOP. */
15137 break;
15138 case OPC_ALNV_PS:
15139 check_insn(ctx, ISA_MIPS5 | ISA_MIPS_R2);
15140 /* Fallthrough */
15141 case OPC_MADD_S:
15142 case OPC_MADD_D:
15143 case OPC_MADD_PS:
15144 case OPC_MSUB_S:
15145 case OPC_MSUB_D:
15146 case OPC_MSUB_PS:
15147 case OPC_NMADD_S:
15148 case OPC_NMADD_D:
15149 case OPC_NMADD_PS:
15150 case OPC_NMSUB_S:
15151 case OPC_NMSUB_D:
15152 case OPC_NMSUB_PS:
15153 check_insn(ctx, ISA_MIPS4 | ISA_MIPS_R2);
15154 gen_flt3_arith(ctx, op1, sa, rs, rd, rt);
15155 break;
15156 default:
15157 MIPS_INVAL("cp3");
15158 gen_reserved_instruction(ctx);
15159 break;
15160 }
15161 } else {
15162 generate_exception_err(ctx, EXCP_CpU, 1);
15163 }
15164 break;
15165
15166 #if defined(TARGET_MIPS64)
15167 /* MIPS64 opcodes */
15168 case OPC_LLD:
15169 if (ctx->insn_flags & INSN_R5900) {
15170 check_insn_opc_user_only(ctx, INSN_R5900);
15171 }
15172 /* fall through */
15173 case OPC_LDL:
15174 case OPC_LDR:
15175 case OPC_LWU:
15176 case OPC_LD:
15177 check_insn(ctx, ISA_MIPS3);
15178 check_mips_64(ctx);
15179 gen_ld(ctx, op, rt, rs, imm);
15180 break;
15181 case OPC_SDL:
15182 case OPC_SDR:
15183 case OPC_SD:
15184 check_insn(ctx, ISA_MIPS3);
15185 check_mips_64(ctx);
15186 gen_st(ctx, op, rt, rs, imm);
15187 break;
15188 case OPC_SCD:
15189 check_insn(ctx, ISA_MIPS3);
15190 if (ctx->insn_flags & INSN_R5900) {
15191 check_insn_opc_user_only(ctx, INSN_R5900);
15192 }
15193 check_mips_64(ctx);
15194 gen_st_cond(ctx, rt, rs, imm, MO_TEUQ, false);
15195 break;
15196 case OPC_BNVC: /* OPC_BNEZALC, OPC_BNEC, OPC_DADDI */
15197 if (ctx->insn_flags & ISA_MIPS_R6) {
15198 /* OPC_BNVC, OPC_BNEZALC, OPC_BNEC */
15199 gen_compute_compact_branch(ctx, op, rs, rt, imm << 2);
15200 } else {
15201 /* OPC_DADDI */
15202 check_insn(ctx, ISA_MIPS3);
15203 check_mips_64(ctx);
15204 gen_arith_imm(ctx, op, rt, rs, imm);
15205 }
15206 break;
15207 case OPC_DADDIU:
15208 check_insn(ctx, ISA_MIPS3);
15209 check_mips_64(ctx);
15210 gen_arith_imm(ctx, op, rt, rs, imm);
15211 break;
15212 #else
15213 case OPC_BNVC: /* OPC_BNEZALC, OPC_BNEC */
15214 if (ctx->insn_flags & ISA_MIPS_R6) {
15215 gen_compute_compact_branch(ctx, op, rs, rt, imm << 2);
15216 } else {
15217 MIPS_INVAL("major opcode");
15218 gen_reserved_instruction(ctx);
15219 }
15220 break;
15221 #endif
15222 case OPC_DAUI: /* OPC_JALX */
15223 if (ctx->insn_flags & ISA_MIPS_R6) {
15224 #if defined(TARGET_MIPS64)
15225 /* OPC_DAUI */
15226 check_mips_64(ctx);
15227 if (rs == 0) {
15228 generate_exception(ctx, EXCP_RI);
15229 } else if (rt != 0) {
15230 TCGv t0 = tcg_temp_new();
15231 gen_load_gpr(t0, rs);
15232 tcg_gen_addi_tl(cpu_gpr[rt], t0, imm << 16);
15233 }
15234 #else
15235 gen_reserved_instruction(ctx);
15236 MIPS_INVAL("major opcode");
15237 #endif
15238 } else {
15239 /* OPC_JALX */
15240 check_insn(ctx, ASE_MIPS16 | ASE_MICROMIPS);
15241 offset = (int32_t)(ctx->opcode & 0x3FFFFFF) << 2;
15242 gen_compute_branch(ctx, op, 4, rs, rt, offset, 4);
15243 }
15244 break;
15245 case OPC_MDMX:
15246 /* MDMX: Not implemented. */
15247 break;
15248 case OPC_PCREL:
15249 check_insn(ctx, ISA_MIPS_R6);
15250 gen_pcrel(ctx, ctx->opcode, ctx->base.pc_next, rs);
15251 break;
15252 default: /* Invalid */
15253 MIPS_INVAL("major opcode");
15254 return false;
15255 }
15256 return true;
15257 }
15258
decode_opc(CPUMIPSState * env,DisasContext * ctx)15259 static void decode_opc(CPUMIPSState *env, DisasContext *ctx)
15260 {
15261 /* make sure instructions are on a word boundary */
15262 if (ctx->base.pc_next & 0x3) {
15263 env->CP0_BadVAddr = ctx->base.pc_next;
15264 generate_exception_err(ctx, EXCP_AdEL, EXCP_INST_NOTAVAIL);
15265 return;
15266 }
15267
15268 /* Handle blikely not taken case */
15269 if ((ctx->hflags & MIPS_HFLAG_BMASK_BASE) == MIPS_HFLAG_BL) {
15270 TCGLabel *l1 = gen_new_label();
15271
15272 tcg_gen_brcondi_tl(TCG_COND_NE, bcond, 0, l1);
15273 tcg_gen_movi_i32(hflags, ctx->hflags & ~MIPS_HFLAG_BMASK);
15274 gen_goto_tb(ctx, 1, ctx->base.pc_next + 4);
15275 gen_set_label(l1);
15276 }
15277
15278 /* Transition to the auto-generated decoder. */
15279
15280 /* Vendor specific extensions */
15281 if (cpu_supports_isa(env, INSN_R5900) && decode_ext_txx9(ctx, ctx->opcode)) {
15282 return;
15283 }
15284 if (cpu_supports_isa(env, INSN_VR54XX) && decode_ext_vr54xx(ctx, ctx->opcode)) {
15285 return;
15286 }
15287 #if defined(TARGET_MIPS64)
15288 if (ase_lcsr_available(env) && decode_ase_lcsr(ctx, ctx->opcode)) {
15289 return;
15290 }
15291 if (cpu_supports_isa(env, INSN_OCTEON) && decode_ext_octeon(ctx, ctx->opcode)) {
15292 return;
15293 }
15294 #endif
15295
15296 /* ISA extensions */
15297 if (ase_msa_available(env) && decode_ase_msa(ctx, ctx->opcode)) {
15298 return;
15299 }
15300
15301 /* ISA (from latest to oldest) */
15302 if (cpu_supports_isa(env, ISA_MIPS_R6) && decode_isa_rel6(ctx, ctx->opcode)) {
15303 return;
15304 }
15305
15306 if (decode_opc_legacy(env, ctx)) {
15307 return;
15308 }
15309
15310 gen_reserved_instruction(ctx);
15311 }
15312
mips_tr_init_disas_context(DisasContextBase * dcbase,CPUState * cs)15313 static void mips_tr_init_disas_context(DisasContextBase *dcbase, CPUState *cs)
15314 {
15315 DisasContext *ctx = container_of(dcbase, DisasContext, base);
15316 CPUMIPSState *env = cpu_env(cs);
15317
15318 ctx->page_start = ctx->base.pc_first & TARGET_PAGE_MASK;
15319 ctx->saved_pc = -1;
15320 ctx->insn_flags = env->insn_flags;
15321 ctx->CP0_Config0 = env->CP0_Config0;
15322 ctx->CP0_Config1 = env->CP0_Config1;
15323 ctx->CP0_Config2 = env->CP0_Config2;
15324 ctx->CP0_Config3 = env->CP0_Config3;
15325 ctx->CP0_Config5 = env->CP0_Config5;
15326 ctx->btarget = 0;
15327 ctx->kscrexist = (env->CP0_Config4 >> CP0C4_KScrExist) & 0xff;
15328 ctx->rxi = (env->CP0_Config3 >> CP0C3_RXI) & 1;
15329 ctx->ie = (env->CP0_Config4 >> CP0C4_IE) & 3;
15330 ctx->bi = (env->CP0_Config3 >> CP0C3_BI) & 1;
15331 ctx->bp = (env->CP0_Config3 >> CP0C3_BP) & 1;
15332 ctx->PAMask = env->PAMask;
15333 ctx->mvh = (env->CP0_Config5 >> CP0C5_MVH) & 1;
15334 ctx->eva = (env->CP0_Config5 >> CP0C5_EVA) & 1;
15335 ctx->sc = (env->CP0_Config3 >> CP0C3_SC) & 1;
15336 ctx->CP0_LLAddr_shift = env->CP0_LLAddr_shift;
15337 ctx->cmgcr = (env->CP0_Config3 >> CP0C3_CMGCR) & 1;
15338 /* Restore delay slot state from the tb context. */
15339 ctx->hflags = (uint32_t)ctx->base.tb->flags; /* FIXME: maybe use 64 bits? */
15340 ctx->ulri = (env->CP0_Config3 >> CP0C3_ULRI) & 1;
15341 ctx->ps = ((env->active_fpu.fcr0 >> FCR0_PS) & 1) ||
15342 (env->insn_flags & (INSN_LOONGSON2E | INSN_LOONGSON2F));
15343 ctx->vp = (env->CP0_Config5 >> CP0C5_VP) & 1;
15344 ctx->mrp = (env->CP0_Config5 >> CP0C5_MRP) & 1;
15345 ctx->nan2008 = (env->active_fpu.fcr31 >> FCR31_NAN2008) & 1;
15346 ctx->abs2008 = (env->active_fpu.fcr31 >> FCR31_ABS2008) & 1;
15347 ctx->mi = (env->CP0_Config5 >> CP0C5_MI) & 1;
15348 ctx->gi = (env->CP0_Config5 >> CP0C5_GI) & 3;
15349 restore_cpu_state(env, ctx);
15350 #ifdef CONFIG_USER_ONLY
15351 ctx->mem_idx = MIPS_HFLAG_UM;
15352 #else
15353 ctx->mem_idx = hflags_mmu_index(ctx->hflags);
15354 #endif
15355 ctx->default_tcg_memop_mask = (!(ctx->insn_flags & ISA_NANOMIPS32) &&
15356 (ctx->insn_flags & (ISA_MIPS_R6 |
15357 INSN_LOONGSON3A))) ? MO_UNALN : MO_ALIGN;
15358
15359 /*
15360 * Execute a branch and its delay slot as a single instruction.
15361 * This is what GDB expects and is consistent with what the
15362 * hardware does (e.g. if a delay slot instruction faults, the
15363 * reported PC is the PC of the branch).
15364 */
15365 if (ctx->base.singlestep_enabled && (ctx->hflags & MIPS_HFLAG_BMASK)) {
15366 ctx->base.max_insns = 2;
15367 }
15368
15369 LOG_DISAS("\ntb %p idx %d hflags %04x\n", ctx->base.tb, ctx->mem_idx,
15370 ctx->hflags);
15371 }
15372
mips_tr_tb_start(DisasContextBase * dcbase,CPUState * cs)15373 static void mips_tr_tb_start(DisasContextBase *dcbase, CPUState *cs)
15374 {
15375 }
15376
mips_tr_insn_start(DisasContextBase * dcbase,CPUState * cs)15377 static void mips_tr_insn_start(DisasContextBase *dcbase, CPUState *cs)
15378 {
15379 DisasContext *ctx = container_of(dcbase, DisasContext, base);
15380
15381 tcg_gen_insn_start(ctx->base.pc_next, ctx->hflags & MIPS_HFLAG_BMASK,
15382 ctx->btarget);
15383 }
15384
mips_tr_translate_insn(DisasContextBase * dcbase,CPUState * cs)15385 static void mips_tr_translate_insn(DisasContextBase *dcbase, CPUState *cs)
15386 {
15387 CPUMIPSState *env = cpu_env(cs);
15388 DisasContext *ctx = container_of(dcbase, DisasContext, base);
15389 int insn_bytes;
15390 int is_slot;
15391
15392 is_slot = ctx->hflags & MIPS_HFLAG_BMASK;
15393 if (ctx->insn_flags & ISA_NANOMIPS32) {
15394 ctx->opcode = translator_lduw(env, &ctx->base, ctx->base.pc_next);
15395 insn_bytes = decode_isa_nanomips(env, ctx);
15396 } else if (!(ctx->hflags & MIPS_HFLAG_M16)) {
15397 ctx->opcode = translator_ldl(env, &ctx->base, ctx->base.pc_next);
15398 insn_bytes = 4;
15399 decode_opc(env, ctx);
15400 } else if (ctx->insn_flags & ASE_MICROMIPS) {
15401 ctx->opcode = translator_lduw(env, &ctx->base, ctx->base.pc_next);
15402 insn_bytes = decode_isa_micromips(env, ctx);
15403 } else if (ctx->insn_flags & ASE_MIPS16) {
15404 ctx->opcode = translator_lduw(env, &ctx->base, ctx->base.pc_next);
15405 insn_bytes = decode_ase_mips16e(env, ctx);
15406 } else {
15407 gen_reserved_instruction(ctx);
15408 g_assert(ctx->base.is_jmp == DISAS_NORETURN);
15409 return;
15410 }
15411
15412 if (ctx->hflags & MIPS_HFLAG_BMASK) {
15413 if (!(ctx->hflags & (MIPS_HFLAG_BDS16 | MIPS_HFLAG_BDS32 |
15414 MIPS_HFLAG_FBNSLOT))) {
15415 /*
15416 * Force to generate branch as there is neither delay nor
15417 * forbidden slot.
15418 */
15419 is_slot = 1;
15420 }
15421 if ((ctx->hflags & MIPS_HFLAG_M16) &&
15422 (ctx->hflags & MIPS_HFLAG_FBNSLOT)) {
15423 /*
15424 * Force to generate branch as microMIPS R6 doesn't restrict
15425 * branches in the forbidden slot.
15426 */
15427 is_slot = 1;
15428 }
15429 }
15430 if (is_slot) {
15431 gen_branch(ctx, insn_bytes);
15432 }
15433 if (ctx->base.is_jmp == DISAS_SEMIHOST) {
15434 generate_exception_err(ctx, EXCP_SEMIHOST, insn_bytes);
15435 }
15436 ctx->base.pc_next += insn_bytes;
15437
15438 if (ctx->base.is_jmp != DISAS_NEXT) {
15439 return;
15440 }
15441
15442 /*
15443 * End the TB on (most) page crossings.
15444 * See mips_tr_init_disas_context about single-stepping a branch
15445 * together with its delay slot.
15446 */
15447 if (ctx->base.pc_next - ctx->page_start >= TARGET_PAGE_SIZE
15448 && !ctx->base.singlestep_enabled) {
15449 ctx->base.is_jmp = DISAS_TOO_MANY;
15450 }
15451 }
15452
mips_tr_tb_stop(DisasContextBase * dcbase,CPUState * cs)15453 static void mips_tr_tb_stop(DisasContextBase *dcbase, CPUState *cs)
15454 {
15455 DisasContext *ctx = container_of(dcbase, DisasContext, base);
15456
15457 switch (ctx->base.is_jmp) {
15458 case DISAS_STOP:
15459 gen_save_pc(ctx->base.pc_next);
15460 tcg_gen_lookup_and_goto_ptr();
15461 break;
15462 case DISAS_NEXT:
15463 case DISAS_TOO_MANY:
15464 save_cpu_state(ctx, 0);
15465 gen_goto_tb(ctx, 0, ctx->base.pc_next);
15466 break;
15467 case DISAS_EXIT:
15468 tcg_gen_exit_tb(NULL, 0);
15469 break;
15470 case DISAS_NORETURN:
15471 break;
15472 default:
15473 g_assert_not_reached();
15474 }
15475 }
15476
15477 static const TranslatorOps mips_tr_ops = {
15478 .init_disas_context = mips_tr_init_disas_context,
15479 .tb_start = mips_tr_tb_start,
15480 .insn_start = mips_tr_insn_start,
15481 .translate_insn = mips_tr_translate_insn,
15482 .tb_stop = mips_tr_tb_stop,
15483 };
15484
gen_intermediate_code(CPUState * cs,TranslationBlock * tb,int * max_insns,vaddr pc,void * host_pc)15485 void gen_intermediate_code(CPUState *cs, TranslationBlock *tb, int *max_insns,
15486 vaddr pc, void *host_pc)
15487 {
15488 DisasContext ctx;
15489
15490 translator_loop(cs, tb, max_insns, pc, host_pc, &mips_tr_ops, &ctx.base);
15491 }
15492
mips_tcg_init(void)15493 void mips_tcg_init(void)
15494 {
15495 cpu_gpr[0] = NULL;
15496 for (unsigned i = 1; i < 32; i++)
15497 cpu_gpr[i] = tcg_global_mem_new(tcg_env,
15498 offsetof(CPUMIPSState,
15499 active_tc.gpr[i]),
15500 regnames[i]);
15501 #if defined(TARGET_MIPS64)
15502 cpu_gpr_hi[0] = NULL;
15503
15504 for (unsigned i = 1; i < 32; i++) {
15505 g_autofree char *rname = g_strdup_printf("%s[hi]", regnames[i]);
15506
15507 cpu_gpr_hi[i] = tcg_global_mem_new_i64(tcg_env,
15508 offsetof(CPUMIPSState,
15509 active_tc.gpr_hi[i]),
15510 rname);
15511 }
15512 #endif /* !TARGET_MIPS64 */
15513 for (unsigned i = 0; i < 32; i++) {
15514 int off = offsetof(CPUMIPSState, active_fpu.fpr[i].wr.d[0]);
15515
15516 fpu_f64[i] = tcg_global_mem_new_i64(tcg_env, off, fregnames[i]);
15517 }
15518 msa_translate_init();
15519 cpu_PC = tcg_global_mem_new(tcg_env,
15520 offsetof(CPUMIPSState, active_tc.PC), "PC");
15521 for (unsigned i = 0; i < MIPS_DSP_ACC; i++) {
15522 cpu_HI[i] = tcg_global_mem_new(tcg_env,
15523 offsetof(CPUMIPSState, active_tc.HI[i]),
15524 regnames_HI[i]);
15525 cpu_LO[i] = tcg_global_mem_new(tcg_env,
15526 offsetof(CPUMIPSState, active_tc.LO[i]),
15527 regnames_LO[i]);
15528 }
15529 cpu_dspctrl = tcg_global_mem_new(tcg_env,
15530 offsetof(CPUMIPSState,
15531 active_tc.DSPControl),
15532 "DSPControl");
15533 bcond = tcg_global_mem_new(tcg_env,
15534 offsetof(CPUMIPSState, bcond), "bcond");
15535 btarget = tcg_global_mem_new(tcg_env,
15536 offsetof(CPUMIPSState, btarget), "btarget");
15537 hflags = tcg_global_mem_new_i32(tcg_env,
15538 offsetof(CPUMIPSState, hflags), "hflags");
15539
15540 fpu_fcr0 = tcg_global_mem_new_i32(tcg_env,
15541 offsetof(CPUMIPSState, active_fpu.fcr0),
15542 "fcr0");
15543 fpu_fcr31 = tcg_global_mem_new_i32(tcg_env,
15544 offsetof(CPUMIPSState, active_fpu.fcr31),
15545 "fcr31");
15546 cpu_lladdr = tcg_global_mem_new(tcg_env, offsetof(CPUMIPSState, lladdr),
15547 "lladdr");
15548 cpu_llval = tcg_global_mem_new(tcg_env, offsetof(CPUMIPSState, llval),
15549 "llval");
15550
15551 if (TARGET_LONG_BITS == 32) {
15552 mxu_translate_init();
15553 }
15554 }
15555
mips_restore_state_to_opc(CPUState * cs,const TranslationBlock * tb,const uint64_t * data)15556 void mips_restore_state_to_opc(CPUState *cs,
15557 const TranslationBlock *tb,
15558 const uint64_t *data)
15559 {
15560 CPUMIPSState *env = cpu_env(cs);
15561
15562 env->active_tc.PC = data[0];
15563 env->hflags &= ~MIPS_HFLAG_BMASK;
15564 env->hflags |= data[1];
15565 switch (env->hflags & MIPS_HFLAG_BMASK_BASE) {
15566 case MIPS_HFLAG_BR:
15567 break;
15568 case MIPS_HFLAG_BC:
15569 case MIPS_HFLAG_BL:
15570 case MIPS_HFLAG_B:
15571 env->btarget = data[2];
15572 break;
15573 }
15574 }
15575