1 /* nds32.h -- Header file for nds32 opcode table
2    Copyright (C) 2012-2021 Free Software Foundation, Inc.
3    Contributed by Andes Technology Corporation.
4 
5    This program is free software; you can redistribute it and/or modify
6    it under the terms of the GNU General Public License as published by
7    the Free Software Foundation; either version 3, or (at your option)
8    any later version.
9 
10    This program is distributed in the hope that it will be useful,
11    but WITHOUT ANY WARRANTY; without even the implied warranty of
12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13    GNU General Public License for more details.
14 
15    You should have received a copy of the GNU General Public License
16    along with this program; if not, write to the Free Software
17    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
18    02110-1301, USA.  */
19 
20 #ifndef OPCODE_NDS32_H
21 #define OPCODE_NDS32_H
22 
23 /* Registers.  */
24 #define REG_R0		(0)
25 #define REG_R5		(5)
26 #define REG_R8		(8)
27 #define REG_R10		(10)
28 #define REG_R12		(12)
29 #define REG_R15		(15)
30 #define REG_R16		(16)
31 #define REG_R20		(20)
32 #define REG_TA		(15)
33 #define REG_TP		(25)
34 #define REG_FP		(28)
35 #define REG_GP		(29)
36 #define REG_LP		(30)
37 #define REG_SP		(31)
38 
39 /* Macros for extracting fields or making an instruction.  */
40 static const int nds32_r45map[] ATTRIBUTE_UNUSED =
41 {
42   0, 1, 2,  3,  4,  5,  6,  7,
43   8, 9, 10, 11, 16, 17, 18, 19
44 };
45 
46 static const int nds32_r54map[] ATTRIBUTE_UNUSED =
47 {
48    0,  1,  2,  3,  4,  5,  6,  7,
49    8,  9, 10, 11, -1, -1, -1, -1,
50   12, 13, 14, 15, -1, -1, -1, -1,
51   -1, -1, -1, -1, -1, -1, -1, -1
52 };
53 
54 #define N32_BIT(n)		(1u << (n))
55 #define __MASK(n)		(N32_BIT (n) - 1)
56 #define __MF(v, off, bs)	(((v) & __MASK (bs)) << (off))
57 #define __GF(v, off, bs)	(((v) >> off) & __MASK (bs))
58 #define __SEXT(v, bs)		\
59   ((((v) & __MASK ((bs))) ^ N32_BIT ((bs) - 1)) - N32_BIT ((bs) - 1))
60 
61 /* Make nds32 instructions.  */
62 
63 #define N32_TYPE4(op6, rt5, ra5, rb5, rd5, sub5)  \
64 	(__MF (N32_OP6_##op6, 25, 6) | __MF (rt5, 20, 5) \
65 	 | __MF (ra5, 15, 5) | __MF (rb5, 10, 5) \
66 	 | __MF (rd5, 5, 5) | __MF (sub5, 0, 5))
67 #define N32_TYPE3(op6, rt5, ra5, rb5, sub10) \
68 	(N32_TYPE4 (op6, rt5, ra5, rb5, 0, 0) \
69 	 | __MF (sub10, 0, 10))
70 #define N32_TYPE2(op6, rt5, ra5, imm15)	\
71 	(N32_TYPE3 (op6, rt5, ra5, 0, 0) | __MF (imm15, 0, 15))
72 #define N32_TYPE1(op6, rt5, imm20) \
73 	(N32_TYPE2 (op6, rt5, 0, 0) | __MF (imm20, 0, 20))
74 #define N32_TYPE0(op6, imm25) \
75 	(N32_TYPE1 (op6, 0, 0) | __MF (imm25, 0, 25))
76 #define N32_ALU1(sub, rt, ra, rb) \
77 	N32_TYPE4 (ALU1, rt, ra, rb, 0, N32_ALU1_##sub)
78 #define N32_ALU1_SH(sub, rt, ra, rb, rd) \
79 	N32_TYPE4 (ALU1, rt, ra, rb, rd, N32_ALU1_##sub)
80 #define N32_ALU2(sub, rt, ra, rb) \
81 	N32_TYPE3 (ALU2, rt, ra, rb, N32_ALU2_##sub)
82 #define N32_BR1(sub, rt, ra, imm14s) \
83 	N32_TYPE2 (BR1, rt, ra, (N32_BR1_##sub << 14) | (imm14s & __MASK (14)))
84 #define N32_BR2(sub, rt, imm16s) \
85 	N32_TYPE1 (BR2, rt, (N32_BR2_##sub << 16) | (imm16s & __MASK (16)))
86 #define N32_BR3(sub, rt, imm11s, imm8s) \
87 	N32_TYPE1 (BR3, rt, (N32_BR3_##sub << 19) \
88 			    | ((imm11s & __MASK (11)) << 8) \
89 			    | (imm8s & __MASK (8)))
90 #define N32_JI(sub, imm24s) \
91 	N32_TYPE0 (JI, (N32_JI_##sub << 24) | (imm24s & __MASK (24)))
92 #define N32_JREG(sub, rt, rb, dtit, hint) \
93 	N32_TYPE4(JREG, rt, 0, rb, (dtit << 3) | (hint & 7), N32_JREG_##sub)
94 #define N32_MEM(sub, rt, ra, rb, sv) \
95 	N32_TYPE3 (MEM, rt, ra, rb, (sv << 8) | N32_MEM_##sub)
96 
97 #define N16_TYPE55(op5, rt5, ra5) \
98 	(0x8000 | __MF (N16_T55_##op5, 10, 5) | __MF (rt5, 5, 5) \
99 	 | __MF (ra5, 0, 5))
100 #define N16_TYPE45(op6, rt4, ra5) \
101 	(0x8000 | __MF (N16_T45_##op6, 9, 6) | __MF (rt4, 5, 4) \
102 	 | __MF (ra5, 0, 5))
103 #define N16_TYPE333(op6, rt3, ra3, rb3)	\
104 	(0x8000 | __MF (N16_T333_##op6, 9, 6) | __MF (rt3, 6, 3) \
105 	 | __MF (ra3, 3, 3) | __MF (rb3, 0, 3))
106 #define N16_TYPE36(op6, rt3, imm6) \
107 	(0x8000 | __MF (N16_T36_##op6, 9, 6) | __MF (rt3, 6, 3) \
108 	 | __MF (imm6, 0, 6))
109 #define N16_TYPE38(op4, rt3, imm8) \
110 	(0x8000 | __MF (N16_T38_##op4, 11, 4) | __MF (rt3, 8, 3) \
111 	 | __MF (imm8, 0, 8))
112 #define N16_TYPE37(op4, rt3, ls, imm7) \
113 	(0x8000 | __MF (N16_T37_##op4, 11, 4) | __MF (rt3, 8, 3) \
114 	 | __MF (imm7, 0, 7) | __MF (ls, 7, 1))
115 #define N16_TYPE5(op10, imm5) \
116 	(0x8000 | __MF (N16_T5_##op10, 5, 10) | __MF (imm5, 0, 5))
117 #define N16_TYPE8(op7, imm8) \
118 	(0x8000 | __MF (N16_T8_##op7, 8, 7) | __MF (imm8, 0, 8))
119 #define N16_TYPE9(op6, imm9) \
120 	(0x8000 | __MF (N16_T9_##op6, 9, 6) | __MF (imm9, 0, 9))
121 #define N16_TYPE10(op5, imm10) \
122 	(0x8000 | __MF (N16_T10_##op5, 10, 5) | __MF (imm10, 0, 10))
123 #define N16_TYPE25(op8, re, imm5) \
124 	(0x8000 | __MF (N16_T25_##op8, 7, 8) | __MF (re, 5, 2) \
125 	 | __MF (imm5, 0, 5))
126 
127 #define N16_MISC33(sub, rt, ra) \
128 	N16_TYPE333 (MISC33, rt, ra, N16_MISC33_##sub)
129 #define N16_BFMI333(sub, rt, ra) \
130 	N16_TYPE333 (BFMI333, rt, ra, N16_BFMI333_##sub)
131 
132 /* Get instruction fields.
133 
134    Macros used for handling 32-bit and 16-bit instructions are
135    prefixed with N32_ and N16_ respectively.  */
136 
137 #define N32_OP6(insn)		(((insn) >> 25) & 0x3f)
138 #define N32_RT5(insn)		(((insn) >> 20) & 0x1f)
139 #define N32_RT53(insn)		(N32_RT5 (insn) & 0x7)
140 #define N32_RT54(insn)		nds32_r54map[N32_RT5 (insn)]
141 #define N32_RA5(insn)		(((insn) >> 15) & 0x1f)
142 #define N32_RA53(insn)		(N32_RA5 (insn) & 0x7)
143 #define N32_RA54(insn)		nds32_r54map[N32_RA5 (insn)]
144 #define N32_RB5(insn)		(((insn) >> 10) & 0x1f)
145 #define N32_UB5(insn)		(((insn) >> 10) & 0x1f)
146 #define N32_RB53(insn)		(N32_RB5 (insn) & 0x7)
147 #define N32_RB54(insn)		nds32_r54map[N32_RB5 (insn)]
148 #define N32_RD5(insn)		(((insn) >> 5) & 0x1f)
149 #define N32_SH5(insn)		(((insn) >> 5) & 0x1f)
150 #define N32_SUB5(insn)		(((insn) >> 0) & 0x1f)
151 #define N32_SUB6(insn)		(((insn) >> 0) & 0x3f)
152 #define N32_SWID(insn)		(((insn) >> 5) & 0x3ff)
153 #define N32_IMMU(insn, bs)	((insn) & __MASK (bs))
154 #define N32_IMMS(insn, bs)	((signed) __SEXT ((insn), (bs)))
155 #define N32_IMM5U(insn)		N32_IMMU (insn, 5)
156 #define N32_IMM12S(insn)	N32_IMMS (insn, 12)
157 #define N32_IMM14S(insn)	N32_IMMS (insn, 14)
158 #define N32_IMM15U(insn)	N32_IMMU (insn, 15)
159 #define N32_IMM15S(insn)	N32_IMMS (insn, 15)
160 #define N32_IMM16S(insn)	N32_IMMS (insn, 16)
161 #define N32_IMM17S(insn)	N32_IMMS (insn, 17)
162 #define N32_IMM20S(insn)	N32_IMMS (insn, 20)
163 #define N32_IMM20U(insn)	N32_IMMU (insn, 20)
164 #define N32_IMM24S(insn)	N32_IMMS (insn, 24)
165 
166 #define N16_RT5(insn)		(((insn) >> 5) & 0x1f)
167 #define N16_RT4(insn)		nds32_r45map[(((insn) >> 5) & 0xf)]
168 #define N16_RT3(insn)		(((insn) >> 6) & 0x7)
169 #define N16_RT38(insn)		(((insn) >> 8) & 0x7)
170 #define N16_RT8(insn)		(((insn) >> 8) & 0x7)
171 #define N16_RA5(insn)		((insn) & 0x1f)
172 #define N16_RA3(insn)		(((insn) >> 3) & 0x7)
173 #define N16_RB3(insn)		((insn) & 0x7)
174 #define N16_IMM3U(insn)		N32_IMMU (insn, 3)
175 #define N16_IMM5U(insn)		N32_IMMU (insn, 5)
176 #define N16_IMM5S(insn)		N32_IMMS (insn, 5)
177 #define N16_IMM6U(insn)		N32_IMMU (insn, 6)
178 #define N16_IMM7U(insn)		N32_IMMU (insn, 7)
179 #define N16_IMM8S(insn)		N32_IMMS (insn, 8)
180 #define N16_IMM9U(insn)		N32_IMMU (insn, 9)
181 #define N16_IMM10S(insn)	N32_IMMS (insn, 10)
182 
183 #define IS_WITHIN_U(v, n)	(((v) >> n) == 0)
184 #define IS_WITHIN_S(v, n)	IS_WITHIN_U ((v) + (1 << ((n) - 1)), n)
185 
186 /* Get fields for specific instruction.  */
187 #define N32_JREG_T(insn)	(((insn) >> 8) & 0x3)
188 #define N32_JREG_HINT(insn)	(((insn) >> 5) & 0x7)
189 #define N32_BR2_SUB(insn)	(((insn) >> 16) & 0xf)
190 #define N32_COP_SUB(insn)	((insn) & 0xf)
191 #define N32_COP_CP(insn)	(((insn) >> 4) & 0x3)
192 
193 /* Check fields.  */
194 #define N32_IS_RT3(insn)	(N32_RT5 (insn) < 8)
195 #define N32_IS_RA3(insn)	(N32_RA5 (insn) < 8)
196 #define N32_IS_RB3(insn)	(N32_RB5 (insn) < 8)
197 #define N32_IS_RT4(insn)	(nds32_r54map[N32_RT5 (insn)] != -1)
198 #define N32_IS_RA4(insn)	(nds32_r54map[N32_RA5 (insn)] != -1)
199 #define N32_IS_RB4(insn)	(nds32_r54map[N32_RB5 (insn)] != -1)
200 
201 
202 /* These are opcodes for Nxx_TYPE macros.
203    They are prefixed by corresponding TYPE to avoid misusing.  */
204 
205 enum n32_opcodes
206 {
207   /* Main opcodes (OP6).  */
208 
209   N32_OP6_LBI = 0x0,
210   N32_OP6_LHI,
211   N32_OP6_LWI,
212   N32_OP6_LDI,
213   N32_OP6_LBI_BI,
214   N32_OP6_LHI_BI,
215   N32_OP6_LWI_BI,
216   N32_OP6_LDI_BI,
217 
218   N32_OP6_SBI = 0x8,
219   N32_OP6_SHI,
220   N32_OP6_SWI,
221   N32_OP6_SDI,
222   N32_OP6_SBI_BI,
223   N32_OP6_SHI_BI,
224   N32_OP6_SWI_BI,
225   N32_OP6_SDI_BI,
226 
227   N32_OP6_LBSI = 0x10,
228   N32_OP6_LHSI,
229   N32_OP6_LWSI,
230   N32_OP6_DPREFI,
231   N32_OP6_LBSI_BI,
232   N32_OP6_LHSI_BI,
233   N32_OP6_LWSI_BI,
234   N32_OP6_LBGP,
235 
236   N32_OP6_LWC = 0x18,
237   N32_OP6_SWC,
238   N32_OP6_LDC,
239   N32_OP6_SDC,
240   N32_OP6_MEM,
241   N32_OP6_LSMW,
242   N32_OP6_HWGP,
243   N32_OP6_SBGP,
244 
245   N32_OP6_ALU1 = 0x20,
246   N32_OP6_ALU2,
247   N32_OP6_MOVI,
248   N32_OP6_SETHI,
249   N32_OP6_JI,
250   N32_OP6_JREG,
251   N32_OP6_BR1,
252   N32_OP6_BR2,
253 
254   N32_OP6_ADDI = 0x28,
255   N32_OP6_SUBRI,
256   N32_OP6_ANDI,
257   N32_OP6_XORI,
258   N32_OP6_ORI,
259   N32_OP6_BR3,
260   N32_OP6_SLTI,
261   N32_OP6_SLTSI,
262 
263   N32_OP6_AEXT = 0x30,
264   N32_OP6_CEXT,
265   N32_OP6_MISC,
266   N32_OP6_BITCI,
267   N32_OP6_0x34,
268   N32_OP6_COP,
269   N32_OP6_0x36,
270   N32_OP6_0x37,
271 
272   N32_OP6_SIMD = 0x38,
273 
274   /* Sub-opcodes of specific opcode.  */
275 
276   /* bit-24 */
277   N32_BR1_BEQ = 0,
278   N32_BR1_BNE = 1,
279 
280   /* bit[16:19] */
281   N32_BR2_SOP0 = 0,
282   N32_BR2_BEQZ = 2,
283   N32_BR2_BNEZ = 3,
284   N32_BR2_BGEZ = 4,
285   N32_BR2_BLTZ = 5,
286   N32_BR2_BGTZ = 6,
287   N32_BR2_BLEZ = 7,
288   N32_BR2_BGEZAL = 0xc,
289   N32_BR2_BLTZAL = 0xd,
290 
291   /* bit-19 */
292   N32_BR3_BEQC = 0,
293   N32_BR3_BNEC = 1,
294 
295   /* bit-24 */
296   N32_JI_J = 0,
297   N32_JI_JAL = 1,
298 
299   /* bit[0:4] */
300   N32_JREG_JR = 0,
301   N32_JREG_JRAL = 1,
302   N32_JREG_JRNEZ = 2,
303   N32_JREG_JRALNEZ = 3,
304 
305   /* bit[0:4] */
306   N32_ALU1_ADD_SLLI = 0x0,
307   N32_ALU1_SUB_SLLI,
308   N32_ALU1_AND_SLLI,
309   N32_ALU1_XOR_SLLI,
310   N32_ALU1_OR_SLLI,
311   N32_ALU1_ADD = 0x0,
312   N32_ALU1_SUB,
313   N32_ALU1_AND,
314   N32_ALU1_XOR,
315   N32_ALU1_OR,
316   N32_ALU1_NOR,
317   N32_ALU1_SLT,
318   N32_ALU1_SLTS,
319   N32_ALU1_SLLI = 0x8,
320   N32_ALU1_SRLI,
321   N32_ALU1_SRAI,
322   N32_ALU1_ROTRI,
323   N32_ALU1_SLL,
324   N32_ALU1_SRL,
325   N32_ALU1_SRA,
326   N32_ALU1_ROTR,
327   N32_ALU1_SEB = 0x10,
328   N32_ALU1_SEH,
329   N32_ALU1_BITC,
330   N32_ALU1_ZEH,
331   N32_ALU1_WSBH,
332   N32_ALU1_OR_SRLI,
333   N32_ALU1_DIVSR,
334   N32_ALU1_DIVR,
335   N32_ALU1_SVA = 0x18,
336   N32_ALU1_SVS,
337   N32_ALU1_CMOVZ,
338   N32_ALU1_CMOVN,
339   N32_ALU1_ADD_SRLI,
340   N32_ALU1_SUB_SRLI,
341   N32_ALU1_AND_SRLI,
342   N32_ALU1_XOR_SRLI,
343 
344   /* bit[0:5], where bit[6:9] == 0 */
345   N32_ALU2_MAX = 0,
346   N32_ALU2_MIN,
347   N32_ALU2_AVE,
348   N32_ALU2_ABS,
349   N32_ALU2_CLIPS,
350   N32_ALU2_CLIP,
351   N32_ALU2_CLO,
352   N32_ALU2_CLZ,
353   N32_ALU2_BSET = 0x8,
354   N32_ALU2_BCLR,
355   N32_ALU2_BTGL,
356   N32_ALU2_BTST,
357   N32_ALU2_BSE,
358   N32_ALU2_BSP,
359   N32_ALU2_FFB,
360   N32_ALU2_FFMISM,
361   N32_ALU2_ADD_SC = 0x10,
362   N32_ALU2_SUB_SC,
363   N32_ALU2_ADD_WC,
364   N32_ALU2_SUB_WC,
365   N32_ALU2_KMxy,
366   N32_ALU2_0x15,
367   N32_ALU2_0x16,
368   N32_ALU2_FFZMISM,
369   N32_ALU2_KADD = 0x18,
370   N32_ALU2_KSUB,
371   N32_ALU2_KSLRAW,
372   N32_ALU2_KSLRAWu,
373   N32_ALU2_MFUSR = 0x20,
374   N32_ALU2_MTUSR,
375   N32_ALU2_0x22,
376   N32_ALU2_0x23,
377   N32_ALU2_MUL,
378   N32_ALU2_0x25,
379   N32_ALU2_0x26,
380   N32_ALU2_MULTS64 = 0x28,
381   N32_ALU2_MULT64,
382   N32_ALU2_MADDS64,
383   N32_ALU2_MADD64,
384   N32_ALU2_MSUBS64,
385   N32_ALU2_MSUB64,
386   N32_ALU2_DIVS,
387   N32_ALU2_DIV,
388   N32_ALU2_ADD64 = 0x30,
389   N32_ALU2_MULT32,
390   N32_ALU2_SMAL,
391   N32_ALU2_MADD32,
392   N32_ALU2_SUB64,
393   N32_ALU2_MSUB32,
394   N32_ALU2_0x36,
395   N32_ALU2_0x37,
396   N32_ALU2_RADD64 = 0x38,
397   N32_ALU2_URADD64,
398   N32_ALU2_KADD64,
399   N32_ALU2_UKADD64,
400   N32_ALU2_RSUB64,
401   N32_ALU2_URSUB64,
402   N32_ALU2_KSUB64,
403   N32_ALU2_UKSUB64,
404 
405   /* bit[0:5], where bit[6:9] = 0001  */
406   N32_ALU2_SMAR64 = 0x0,
407   N32_ALU2_UMAR64,
408   N32_ALU2_SMSR64,
409   N32_ALU2_UMSR64,
410   N32_ALU2_KMAR64,
411   N32_ALU2_UKMAR64,
412   N32_ALU2_KMSR64,
413   N32_ALU2_UKMSR64,
414   N32_ALU2_SMALDA = 0x8,
415   N32_ALU2_SMSLDA,
416   N32_ALU2_SMALDS,
417   N32_ALU2_SMALBB,
418   N32_ALU2_FFBI = 0xe,
419   N32_ALU2_FLMISM = 0xf,
420   N32_ALU2_SMALXDA = 0x10,
421   N32_ALU2_SMSLXDA,
422   N32_ALU2_SMALXDS,
423   N32_ALU2_SMALBT,
424   N32_ALU2_SMALDRS = 0x1a,
425   N32_ALU2_SMALTT,
426   N32_ALU2_RDOV = 0x20,
427   N32_ALU2_CLROV,
428   N32_ALU2_MULSR64 = 0x28,
429   N32_ALU2_MULR64 = 0x29,
430   N32_ALU2_SMDS = 0x30,
431   N32_ALU2_SMXDS,
432   N32_ALU2_SMDRS,
433   N32_ALU2_MADDR32,
434   N32_ALU2_KMADRS,
435   N32_ALU2_MSUBR32,
436   N32_ALU2_KMADS,
437   N32_ALU2_KMAXDS,
438 
439   /* bit[0:5], where bit[6:9] = 0010  */
440   N32_ALU2_KADD16 = 0x0,
441   N32_ALU2_KSUB16,
442   N32_ALU2_KCRAS16,
443   N32_ALU2_KCRSA16,
444   N32_ALU2_KADD8,
445   N32_ALU2_KSUB8,
446   N32_ALU2_WEXT,
447   N32_ALU2_WEXTI,
448   N32_ALU2_UKADD16 = 0x8,
449   N32_ALU2_UKSUB16,
450   N32_ALU2_UKCRAS16,
451   N32_ALU2_UKCRSA16,
452   N32_ALU2_UKADD8,
453   N32_ALU2_UKSUB8,
454   N32_ALU2_ONEOP = 0xf,
455   N32_ALU2_SMBB = 0x10,
456   N32_ALU2_SMBT,
457   N32_ALU2_SMTT,
458   N32_ALU2_KMABB = 0x15,
459   N32_ALU2_KMABT,
460   N32_ALU2_KMATT,
461   N32_ALU2_KMDA = 0x18,
462   N32_ALU2_KMXDA,
463   N32_ALU2_KMADA,
464   N32_ALU2_KMAXDA,
465   N32_ALU2_KMSDA,
466   N32_ALU2_KMSXDA,
467   N32_ALU2_RADD16 = 0x20,
468   N32_ALU2_RSUB16,
469   N32_ALU2_RCRAS16,
470   N32_ALU2_RCRSA16,
471   N32_ALU2_RADD8,
472   N32_ALU2_RSUB8,
473   N32_ALU2_RADDW,
474   N32_ALU2_RSUBW,
475   N32_ALU2_URADD16 = 0x28,
476   N32_ALU2_URSUB16,
477   N32_ALU2_URCRAS16,
478   N32_ALU2_URCRSA16,
479   N32_ALU2_URADD8,
480   N32_ALU2_URSUB8,
481   N32_ALU2_URADDW,
482   N32_ALU2_URSUBW,
483   N32_ALU2_ADD16 = 0x30,
484   N32_ALU2_SUB16,
485   N32_ALU2_CRAS16,
486   N32_ALU2_CRSA16,
487   N32_ALU2_ADD8,
488   N32_ALU2_SUB8,
489   N32_ALU2_BITREV,
490   N32_ALU2_BITREVI,
491   N32_ALU2_SMMUL = 0x38,
492   N32_ALU2_SMMULu,
493   N32_ALU2_KMMAC,
494   N32_ALU2_KMMACu,
495   N32_ALU2_KMMSB,
496   N32_ALU2_KMMSBu,
497   N32_ALU2_KWMMUL,
498   N32_ALU2_KWMMULu,
499 
500   /* bit[0:5], where bit[6:9] = 0011  */
501   N32_ALU2_SMMWB = 0x0,
502   N32_ALU2_SMMWBu,
503   N32_ALU2_SMMWT,
504   N32_ALU2_SMMWTu,
505   N32_ALU2_KMMAWB,
506   N32_ALU2_KMMAWBu,
507   N32_ALU2_KMMAWT,
508   N32_ALU2_KMMAWTu,
509   N32_ALU2_PKTT16 = 0x8,
510   N32_ALU2_PKTB16,
511   N32_ALU2_PKBT16,
512   N32_ALU2_PKBB16,
513   N32_ALU2_0x10 = 0x10,
514   N32_ALU2_SCLIP16,
515   N32_ALU2_0x12,
516   N32_ALU2_SMAX16,
517   N32_ALU2_SMAX8 = 0x17,
518   N32_ALU2_0x18 = 0x18,
519   N32_ALU2_UCLIP16,
520   N32_ALU2_0x1a,
521   N32_ALU2_UMAX16,
522   N32_ALU2_UMAX8 = 0x1f,
523   N32_ALU2_SRA16 = 0x20,
524   N32_ALU2_SRA16u,
525   N32_ALU2_SRL16,
526   N32_ALU2_SRL16u,
527   N32_ALU2_SLL16,
528   N32_ALU2_KSLRA16,
529   N32_ALU2_KSLRA16u,
530   N32_ALU2_SRAu,
531   N32_ALU2_SRAI16 = 0x28,
532   N32_ALU2_SRAI16u,
533   N32_ALU2_SRLI16,
534   N32_ALU2_SRLI16u,
535   N32_ALU2_SLLI16,
536   N32_ALU2_KSLLI16,
537   N32_ALU2_KSLLI,
538   N32_ALU2_SRAIu,
539   N32_ALU2_CMPEQ16 = 0x30,
540   N32_ALU2_SCMPLT16,
541   N32_ALU2_SCMPLE16,
542   N32_ALU2_SMIN16,
543   N32_ALU2_CMPEQ8,
544   N32_ALU2_SCMPLT8,
545   N32_ALU2_SCMPLE8,
546   N32_ALU2_SMIN8,
547   N32_ALU2_0x38,
548   N32_ALU2_UCMPLT16 = 0x39,
549   N32_ALU2_UCMPLE16,
550   N32_ALU2_UMIN16,
551   N32_ALU2_0x3c,
552   N32_ALU2_UCMPLT8,
553   N32_ALU2_UCMPLE8,
554   N32_ALU2_UMIN8,
555 
556   /* bit[0:5] */
557   N32_MEM_LB = 0,
558   N32_MEM_LH,
559   N32_MEM_LW,
560   N32_MEM_LD,
561   N32_MEM_LB_BI,
562   N32_MEM_LH_BI,
563   N32_MEM_LW_BI,
564   N32_MEM_LD_BI,
565   N32_MEM_SB,
566   N32_MEM_SH,
567   N32_MEM_SW,
568   N32_MEM_SD,
569   N32_MEM_SB_BI,
570   N32_MEM_SH_BI,
571   N32_MEM_SW_BI,
572   N32_MEM_SD_BI,
573   N32_MEM_LBS,
574   N32_MEM_LHS,
575   N32_MEM_LWS, /* Not used.  */
576   N32_MEM_DPREF,
577   N32_MEM_LBS_BI,
578   N32_MEM_LHS_BI,
579   N32_MEM_LWS_BI, /* Not used.  */
580   N32_MEM_0x17, /* Not used.  */
581   N32_MEM_LLW,
582   N32_MEM_SCW,
583   N32_MEM_LBUP = 0x20,
584   N32_MEM_LWUP = 0x22,
585   N32_MEM_SBUP = 0x28,
586   N32_MEM_SWUP = 0x2a,
587 
588   /* bit[0:1] */
589   N32_LSMW_LSMW = 0,
590   N32_LSMW_LSMWA,
591   N32_LSMW_LSMWZB,
592 
593   /* bit[2:4] */
594   N32_LSMW_BI = 0,
595   N32_LSMW_BIM,
596   N32_LSMW_BD,
597   N32_LSMW_BDM,
598   N32_LSMW_AI,
599   N32_LSMW_AIM,
600   N32_LSMW_AD,
601   N32_LSMW_ADM,
602 
603   /* bit[0:4] */
604   N32_MISC_STANDBY = 0,
605   N32_MISC_CCTL,
606   N32_MISC_MFSR,
607   N32_MISC_MTSR,
608   N32_MISC_IRET,
609   N32_MISC_TRAP,
610   N32_MISC_TEQZ,
611   N32_MISC_TNEZ,
612   N32_MISC_DSB = 0x8,
613   N32_MISC_ISB,
614   N32_MISC_BREAK,
615   N32_MISC_SYSCALL,
616   N32_MISC_MSYNC,
617   N32_MISC_ISYNC,
618   N32_MISC_TLBOP,
619   N32_MISC_SPECL,
620   N32_MISC_BPICK = 0x10,
621 
622   /* bit[0:4] */
623   N32_SIMD_PBSAD = 0,
624   N32_SIMD_PBSADA = 1,
625 
626   /* bit[0:3] */
627   N32_COP_CPE1 = 0,
628   N32_COP_MFCP,
629   N32_COP_CPLW,
630   N32_COP_CPLD,
631   N32_COP_CPE2,
632   N32_COP_CPE3 = 8,
633   N32_COP_MTCP,
634   N32_COP_CPSW,
635   N32_COP_CPSD,
636   N32_COP_CPE4,
637 
638   /* cop/0 b[3:0] */
639   N32_FPU_FS1 = 0,
640   N32_FPU_MFCP,
641   N32_FPU_FLS,
642   N32_FPU_FLD,
643   N32_FPU_FS2,
644   N32_FPU_FD1 = 8,
645   N32_FPU_MTCP,
646   N32_FPU_FSS,
647   N32_FPU_FSD,
648   N32_FPU_FD2,
649 
650   /* FS1 b[9:6] */
651   N32_FPU_FS1_FADDS = 0,
652   N32_FPU_FS1_FSUBS,
653   N32_FPU_FS1_FCPYNSS,
654   N32_FPU_FS1_FCPYSS,
655   N32_FPU_FS1_FMADDS,
656   N32_FPU_FS1_FMSUBS,
657   N32_FPU_FS1_FCMOVNS,
658   N32_FPU_FS1_FCMOVZS,
659   N32_FPU_FS1_FNMADDS,
660   N32_FPU_FS1_FNMSUBS,
661   N32_FPU_FS1_10,
662   N32_FPU_FS1_11,
663   N32_FPU_FS1_FMULS = 12,
664   N32_FPU_FS1_FDIVS,
665   N32_FPU_FS1_14,
666   N32_FPU_FS1_F2OP = 15,
667 
668   /* FS1/F2OP b[14:10] */
669   N32_FPU_FS1_F2OP_FS2D = 0x00,
670   N32_FPU_FS1_F2OP_FSQRTS  = 0x01,
671   N32_FPU_FS1_F2OP_FABSS  = 0x05,
672   N32_FPU_FS1_F2OP_FUI2S  = 0x08,
673   N32_FPU_FS1_F2OP_FSI2S  = 0x0c,
674   N32_FPU_FS1_F2OP_FS2UI  = 0x10,
675   N32_FPU_FS1_F2OP_FS2UI_Z = 0x14,
676   N32_FPU_FS1_F2OP_FS2SI  = 0x18,
677   N32_FPU_FS1_F2OP_FS2SI_Z = 0x1c,
678 
679   /* FS2 b[9:6] */
680   N32_FPU_FS2_FCMPEQS = 0x0,
681   N32_FPU_FS2_FCMPLTS = 0x2,
682   N32_FPU_FS2_FCMPLES = 0x4,
683   N32_FPU_FS2_FCMPUNS = 0x6,
684   N32_FPU_FS2_FCMPEQS_E = 0x1,
685   N32_FPU_FS2_FCMPLTS_E = 0x3,
686   N32_FPU_FS2_FCMPLES_E = 0x5,
687   N32_FPU_FS2_FCMPUNS_E = 0x7,
688 
689   /* FD1 b[9:6] */
690   N32_FPU_FD1_FADDD = 0,
691   N32_FPU_FD1_FSUBD,
692   N32_FPU_FD1_FCPYNSD,
693   N32_FPU_FD1_FCPYSD,
694   N32_FPU_FD1_FMADDD,
695   N32_FPU_FD1_FMSUBD,
696   N32_FPU_FD1_FCMOVND,
697   N32_FPU_FD1_FCMOVZD,
698   N32_FPU_FD1_FNMADDD,
699   N32_FPU_FD1_FNMSUBD,
700   N32_FPU_FD1_10,
701   N32_FPU_FD1_11,
702   N32_FPU_FD1_FMULD = 12,
703   N32_FPU_FD1_FDIVD,
704   N32_FPU_FD1_14,
705   N32_FPU_FD1_F2OP = 15,
706 
707   /* FD1/F2OP b[14:10] */
708   N32_FPU_FD1_F2OP_FD2S = 0x00,
709   N32_FPU_FD1_F2OP_FSQRTD = 0x01,
710   N32_FPU_FD1_F2OP_FABSD = 0x05,
711   N32_FPU_FD1_F2OP_FUI2D = 0x08,
712   N32_FPU_FD1_F2OP_FSI2D = 0x0c,
713   N32_FPU_FD1_F2OP_FD2UI = 0x10,
714   N32_FPU_FD1_F2OP_FD2UI_Z = 0x14,
715   N32_FPU_FD1_F2OP_FD2SI = 0x18,
716   N32_FPU_FD1_F2OP_FD2SI_Z = 0x1c,
717 
718   /* FD2 b[9:6] */
719   N32_FPU_FD2_FCMPEQD = 0x0,
720   N32_FPU_FD2_FCMPLTD = 0x2,
721   N32_FPU_FD2_FCMPLED = 0x4,
722   N32_FPU_FD2_FCMPUND = 0x6,
723   N32_FPU_FD2_FCMPEQD_E = 0x1,
724   N32_FPU_FD2_FCMPLTD_E = 0x3,
725   N32_FPU_FD2_FCMPLED_E = 0x5,
726   N32_FPU_FD2_FCMPUND_E = 0x7,
727 
728   /* MFCP b[9:6] */
729   N32_FPU_MFCP_FMFSR = 0x0,
730   N32_FPU_MFCP_FMFDR = 0x1,
731   N32_FPU_MFCP_XR = 0xc,
732 
733   /* MFCP/XR b[14:10] */
734   N32_FPU_MFCP_XR_FMFCFG = 0x0,
735   N32_FPU_MFCP_XR_FMFCSR = 0x1,
736 
737   /* MTCP b[9:6] */
738   N32_FPU_MTCP_FMTSR = 0x0,
739   N32_FPU_MTCP_FMTDR = 0x1,
740   N32_FPU_MTCP_XR = 0xc,
741 
742   /* MTCP/XR b[14:10] */
743   N32_FPU_MTCP_XR_FMTCSR = 0x1
744 };
745 
746 enum n16_opcodes
747 {
748   N16_T55_MOV55 = 0x0,
749   N16_T55_MOVI55 = 0x1,
750 
751   N16_T45_0 = 0,
752   N16_T45_ADD45 = 0x4,
753   N16_T45_SUB45 = 0x5,
754   N16_T45_ADDI45 = 0x6,
755   N16_T45_SUBI45 = 0x7,
756   N16_T45_SRAI45 = 0x8,
757   N16_T45_SRLI45 = 0x9,
758   N16_T45_LWI45_FE = 0x19,
759   N16_T45_LWI450 = 0x1a,
760   N16_T45_SWI450 = 0x1b,
761   N16_T45_SLTS45 = 0x30,
762   N16_T45_SLT45 = 0x31,
763   N16_T45_SLTSI45 = 0x32,
764   N16_T45_SLTI45 = 0x33,
765   N16_T45_MOVPI45 = 0x3d,
766 
767   N15_T44_MOVD44 = 0x7d,
768 
769   N16_T333_0 = 0,
770   N16_T333_SLLI333 = 0xa,
771   N16_T333_BFMI333 = 0xb,
772   N16_T333_ADD333 = 0xc,
773   N16_T333_SUB333 = 0xd,
774   N16_T333_ADDI333 = 0xe,
775   N16_T333_SUBI333 = 0xf,
776   N16_T333_LWI333 = 0x10,
777   N16_T333_LWI333_BI = 0x11,
778   N16_T333_LHI333 = 0x12,
779   N16_T333_LBI333 = 0x13,
780   N16_T333_SWI333 = 0x14,
781   N16_T333_SWI333_BI = 0x15,
782   N16_T333_SHI333 = 0x16,
783   N16_T333_SBI333 = 0x17,
784   N16_T333_MISC33 = 0x3f,
785 
786   N16_T36_ADDRI36_SP = 0x18,
787 
788   N16_T37_XWI37 = 0x7,
789   N16_T37_XWI37SP = 0xe,
790 
791   N16_T38_BEQZ38 = 0x8,
792   N16_T38_BNEZ38 = 0x9,
793   N16_T38_BEQS38 = 0xa,
794   N16_T38_BNES38 = 0xb,
795 
796   N16_T5_JR5 = 0x2e8,
797   N16_T5_JRAL5 = 0x2e9,
798   N16_T5_EX9IT = 0x2ea,
799   /* 0x2eb reserved.  */
800   N16_T5_RET5 = 0x2ec,
801   N16_T5_ADD5PC = 0x2ed,
802   /* 0x2e[ef] reserved.  */
803   N16_T5_BREAK16 = 0x350,
804 
805   N16_T8_J8 = 0x55,
806   N16_T8_BEQZS8 = 0x68,
807   N16_T8_BNEZS8 = 0x69,
808 
809   /* N16_T9_BREAK16 = 0x35
810      Since v3, SWID of BREAK16 above 32 are used for encoding EX9.IT.  */
811   N16_T9_EX9IT = 0x35,
812   N16_T9_IFCALL9 = 0x3c,
813 
814   N16_T10_ADDI10S = 0x1b,
815 
816   N16_T25_PUSH25 = 0xf8,
817   N16_T25_POP25 = 0xf9,
818 
819   /* Sub-opcodes.  */
820   N16_MISC33_0 = 0,
821   N16_MISC33_1 = 1,
822   N16_MISC33_NEG33 = 2,
823   N16_MISC33_NOT33 = 3,
824   N16_MISC33_MUL33 = 4,
825   N16_MISC33_XOR33 = 5,
826   N16_MISC33_AND33 = 6,
827   N16_MISC33_OR33 = 7,
828 
829   N16_BFMI333_ZEB33 = 0,
830   N16_BFMI333_ZEH33 = 1,
831   N16_BFMI333_SEB33 = 2,
832   N16_BFMI333_SEH33 = 3,
833   N16_BFMI333_XLSB33 = 4,
834   N16_BFMI333_X11B33 = 5,
835   N16_BFMI333_BMSKI33 = 6,
836   N16_BFMI333_FEXTI33 = 7
837 };
838 
839 /* These macros a deprecated.  DO NOT use them anymore.
840    And please help rewrite code used them.  */
841 
842 /* 32-bit instructions without operands.  */
843 #define INSN_SETHI  0x46000000
844 #define INSN_ORI    0x58000000
845 #define INSN_JR     0x4a000000
846 #define INSN_RET    0x4a000020
847 #define INSN_JAL    0x49000000
848 #define INSN_J      0x48000000
849 #define INSN_JRAL   0x4a000001
850 #define INSN_BGEZAL 0x4e0c0000
851 #define INSN_BLTZAL 0x4e0d0000
852 #define INSN_BEQ    0x4c000000
853 #define INSN_BNE    0x4c004000
854 #define INSN_BEQZ   0x4e020000
855 #define INSN_BNEZ   0x4e030000
856 #define INSN_BGEZ   0x4e040000
857 #define INSN_BLTZ   0x4e050000
858 #define INSN_BGTZ   0x4e060000
859 #define INSN_BLEZ   0x4e070000
860 #define INSN_MOVI   0x44000000
861 #define INSN_ADDI   0x50000000
862 #define INSN_ANDI   0x54000000
863 #define INSN_LDI    0x06000000
864 #define INSN_SDI    0x16000000
865 #define INSN_LW     0x38000002
866 #define INSN_LWI    0x04000000
867 #define INSN_LWSI   0x24000000
868 #define INSN_LWIP   0x0c000000
869 #define INSN_LHI    0x02000000
870 #define INSN_LHSI   0x22000000
871 #define INSN_LBI    0x00000000
872 #define INSN_LBSI   0x20000000
873 #define INSN_SWI    0x14000000
874 #define INSN_SWIP   0x1c000000
875 #define INSN_SHI    0x12000000
876 #define INSN_SBI    0x10000000
877 #define INSN_SLTI   0x5c000000
878 #define INSN_SLTSI  0x5e000000
879 #define INSN_ADD    0x40000000
880 #define INSN_SUB    0x40000001
881 #define INSN_SLT    0x40000006
882 #define INSN_SLTS   0x40000007
883 #define INSN_SLLI   0x40000008
884 #define INSN_SRLI   0x40000009
885 #define INSN_SRAI   0x4000000a
886 #define INSN_SEB    0x40000010
887 #define INSN_SEH    0x40000011
888 #define INSN_ZEB    INSN_ANDI + 0xFF
889 #define INSN_ZEH    0x40000013
890 #define INSN_BREAK  0x6400000a
891 #define INSN_NOP    0x40000009
892 #define INSN_FLSI   0x30000000
893 #define INSN_FSSI   0x32000000
894 #define INSN_FLDI   0x34000000
895 #define INSN_FSDI   0x36000000
896 #define INSN_BEQC   0x5a000000
897 #define INSN_BNEC   0x5a080000
898 #define INSN_DSB    0x64000008
899 #define INSN_IFCALL 0x4e000000
900 #define INSN_IFRET  0x4a000060
901 #define INSN_BR1    0x4c000000
902 #define INSN_BR2    0x4e000000
903 
904 /* 16-bit instructions without operand.  */
905 #define INSN_MOV55	0x8000
906 #define INSN_MOVI55	0x8400
907 #define INSN_ADD45	0x8800
908 #define INSN_SUB45	0x8a00
909 #define INSN_ADDI45	0x8c00
910 #define INSN_SUBI45	0x8e00
911 #define INSN_SRAI45	0x9000
912 #define INSN_SRLI45	0x9200
913 #define INSN_SLLI333	0x9400
914 #define INSN_BFMI333	0x9600
915 #define INSN_ADD333	0x9800
916 #define INSN_SUB333	0x9a00
917 #define INSN_ADDI333	0x9c00
918 #define INSN_SUBI333	0x9e00
919 #define INSN_LWI333	0xa000
920 #define INSN_LWI333P	0xa200
921 #define INSN_LHI333	0xa400
922 #define INSN_LBI333	0xa600
923 #define INSN_SWI333	0xa800
924 #define INSN_SWI333P	0xaa00
925 #define INSN_SHI333	0xac00
926 #define INSN_SBI333	0xae00
927 #define INSN_RSV01	0xb000
928 #define INSN_RSV02	0xb200
929 #define INSN_LWI450	0xb400
930 #define INSN_SWI450	0xb600
931 #define INSN_LWI37	0xb800
932 #define INSN_SWI37	0xb880
933 #define INSN_BEQZ38	0xc000
934 #define INSN_BNEZ38	0xc800
935 #define INSN_BEQS38	0xd000
936 #define INSN_J8		0xd500
937 #define INSN_BNES38	0xd800
938 #define INSN_JR5	0xdd00
939 #define INSN_RET5	0xdd80
940 #define INSN_JRAL5	0xdd20
941 #define INSN_EX9_IT_2	0xdd40
942 #define INSN_SLTS45	0xe000
943 #define INSN_SLT45	0xe200
944 #define INSN_SLTSI45	0xe400
945 #define INSN_SLTI45	0xe600
946 #define INSN_BEQZS8	0xe800
947 #define INSN_BNEZS8	0xe900
948 #define INSN_BREAK16	0xea00
949 #define INSN_EX9_IT_1	0xea00
950 #define INSN_NOP16	0x9200
951 /* 16-bit version 2.  */
952 #define INSN_ADDI10_SP	0xec00
953 #define INSN_LWI37SP	0xf000
954 #define INSN_SWI37SP	0xf080
955 /* 16-bit version 3.  */
956 #define INSN_IFRET16	0x83ff
957 #define INSN_ADDRI36_SP	0xb000
958 #define INSN_LWI45_FE	0xb200
959 #define INSN_IFCALL9	0xf800
960 #define INSN_MISC33	0xfe00
961 
962 /* Instruction with specific operands.  */
963 #define INSN_ADDI_GP_TO_FP	0x51cd8000	/* BASELINE_V1.  */
964 #define INSN_ADDIGP_TO_FP	0x3fc80000	/* BASELINE_V2.  */
965 #define INSN_MOVI_TO_FP		0x45c00000
966 #define INSN_MFUSR_PC		0x420F8020
967 #define INSN_MFUSR_PC_MASK	0xFE0FFFFF
968 
969 /* Instructions use $ta register as operand.  */
970 #define INSN_SETHI_TA	(INSN_SETHI | (REG_TA << 20))
971 #define INSN_ORI_TA	(INSN_ORI | (REG_TA << 20) | (REG_TA << 15))
972 #define INSN_ADD_TA	(INSN_ADD | (REG_TA << 20))
973 #define INSN_ADD45_TA	(INSN_ADD45 | (REG_TA << 5))
974 #define INSN_JR5_TA	(INSN_JR5 | (REG_TA << 0))
975 #define INSN_RET5_TA	(INSN_RET5 | (REG_TA << 0))
976 #define INSN_JR_TA	(INSN_JR | (REG_TA << 10))
977 #define INSN_RET_TA	(INSN_RET | (REG_TA << 10))
978 #define INSN_JRAL_TA	(INSN_JRAL | (REG_LP << 20) | (REG_TA << 10))
979 #define INSN_JRAL5_TA	(INSN_JRAL5 | (REG_TA << 0))
980 #define INSN_BEQZ_TA	(INSN_BEQZ | (REG_TA << 20))
981 #define INSN_BNEZ_TA	(INSN_BNEZ | (REG_TA << 20))
982 #define INSN_MOVI_TA	(INSN_MOVI | (REG_TA << 20))
983 #define INSN_BEQ_TA	(INSN_BEQ | (REG_TA << 15))
984 #define INSN_BNE_TA	(INSN_BNE | (REG_TA << 15))
985 
986 /* Instructions use $r5 register as operand.  */
987 #define INSN_BNE_R5	(INSN_BNE | (REG_R5 << 15))
988 #define INSN_BEQ_R5	(INSN_BEQ | (REG_R5 << 15))
989 
990 #endif
991