xref: /qemu/target/ppc/translate.c (revision 6402cbbb)
1 /*
2  *  PowerPC emulation for qemu: main translation routines.
3  *
4  *  Copyright (c) 2003-2007 Jocelyn Mayer
5  *  Copyright (C) 2011 Freescale Semiconductor, Inc.
6  *
7  * This library is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU Lesser General Public
9  * License as published by the Free Software Foundation; either
10  * version 2 of the License, or (at your option) any later version.
11  *
12  * This library is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15  * Lesser General Public License for more details.
16  *
17  * You should have received a copy of the GNU Lesser General Public
18  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
19  */
20 
21 #include "qemu/osdep.h"
22 #include "cpu.h"
23 #include "internal.h"
24 #include "disas/disas.h"
25 #include "exec/exec-all.h"
26 #include "tcg-op.h"
27 #include "qemu/host-utils.h"
28 #include "exec/cpu_ldst.h"
29 
30 #include "exec/helper-proto.h"
31 #include "exec/helper-gen.h"
32 
33 #include "trace-tcg.h"
34 #include "exec/log.h"
35 
36 
37 #define CPU_SINGLE_STEP 0x1
38 #define CPU_BRANCH_STEP 0x2
39 #define GDBSTUB_SINGLE_STEP 0x4
40 
41 /* Include definitions for instructions classes and implementations flags */
42 //#define PPC_DEBUG_DISAS
43 //#define DO_PPC_STATISTICS
44 
45 #ifdef PPC_DEBUG_DISAS
46 #  define LOG_DISAS(...) qemu_log_mask(CPU_LOG_TB_IN_ASM, ## __VA_ARGS__)
47 #else
48 #  define LOG_DISAS(...) do { } while (0)
49 #endif
50 /*****************************************************************************/
51 /* Code translation helpers                                                  */
52 
53 /* global register indexes */
54 static TCGv_env cpu_env;
55 static char cpu_reg_names[10*3 + 22*4 /* GPR */
56     + 10*4 + 22*5 /* SPE GPRh */
57     + 10*4 + 22*5 /* FPR */
58     + 2*(10*6 + 22*7) /* AVRh, AVRl */
59     + 10*5 + 22*6 /* VSR */
60     + 8*5 /* CRF */];
61 static TCGv cpu_gpr[32];
62 static TCGv cpu_gprh[32];
63 static TCGv_i64 cpu_fpr[32];
64 static TCGv_i64 cpu_avrh[32], cpu_avrl[32];
65 static TCGv_i64 cpu_vsr[32];
66 static TCGv_i32 cpu_crf[8];
67 static TCGv cpu_nip;
68 static TCGv cpu_msr;
69 static TCGv cpu_ctr;
70 static TCGv cpu_lr;
71 #if defined(TARGET_PPC64)
72 static TCGv cpu_cfar;
73 #endif
74 static TCGv cpu_xer, cpu_so, cpu_ov, cpu_ca, cpu_ov32, cpu_ca32;
75 static TCGv cpu_reserve;
76 static TCGv cpu_reserve_val;
77 static TCGv cpu_fpscr;
78 static TCGv_i32 cpu_access_type;
79 
80 #include "exec/gen-icount.h"
81 
82 void ppc_translate_init(void)
83 {
84     int i;
85     char* p;
86     size_t cpu_reg_names_size;
87     static int done_init = 0;
88 
89     if (done_init)
90         return;
91 
92     cpu_env = tcg_global_reg_new_ptr(TCG_AREG0, "env");
93     tcg_ctx.tcg_env = cpu_env;
94 
95     p = cpu_reg_names;
96     cpu_reg_names_size = sizeof(cpu_reg_names);
97 
98     for (i = 0; i < 8; i++) {
99         snprintf(p, cpu_reg_names_size, "crf%d", i);
100         cpu_crf[i] = tcg_global_mem_new_i32(cpu_env,
101                                             offsetof(CPUPPCState, crf[i]), p);
102         p += 5;
103         cpu_reg_names_size -= 5;
104     }
105 
106     for (i = 0; i < 32; i++) {
107         snprintf(p, cpu_reg_names_size, "r%d", i);
108         cpu_gpr[i] = tcg_global_mem_new(cpu_env,
109                                         offsetof(CPUPPCState, gpr[i]), p);
110         p += (i < 10) ? 3 : 4;
111         cpu_reg_names_size -= (i < 10) ? 3 : 4;
112         snprintf(p, cpu_reg_names_size, "r%dH", i);
113         cpu_gprh[i] = tcg_global_mem_new(cpu_env,
114                                          offsetof(CPUPPCState, gprh[i]), p);
115         p += (i < 10) ? 4 : 5;
116         cpu_reg_names_size -= (i < 10) ? 4 : 5;
117 
118         snprintf(p, cpu_reg_names_size, "fp%d", i);
119         cpu_fpr[i] = tcg_global_mem_new_i64(cpu_env,
120                                             offsetof(CPUPPCState, fpr[i]), p);
121         p += (i < 10) ? 4 : 5;
122         cpu_reg_names_size -= (i < 10) ? 4 : 5;
123 
124         snprintf(p, cpu_reg_names_size, "avr%dH", i);
125 #ifdef HOST_WORDS_BIGENDIAN
126         cpu_avrh[i] = tcg_global_mem_new_i64(cpu_env,
127                                              offsetof(CPUPPCState, avr[i].u64[0]), p);
128 #else
129         cpu_avrh[i] = tcg_global_mem_new_i64(cpu_env,
130                                              offsetof(CPUPPCState, avr[i].u64[1]), p);
131 #endif
132         p += (i < 10) ? 6 : 7;
133         cpu_reg_names_size -= (i < 10) ? 6 : 7;
134 
135         snprintf(p, cpu_reg_names_size, "avr%dL", i);
136 #ifdef HOST_WORDS_BIGENDIAN
137         cpu_avrl[i] = tcg_global_mem_new_i64(cpu_env,
138                                              offsetof(CPUPPCState, avr[i].u64[1]), p);
139 #else
140         cpu_avrl[i] = tcg_global_mem_new_i64(cpu_env,
141                                              offsetof(CPUPPCState, avr[i].u64[0]), p);
142 #endif
143         p += (i < 10) ? 6 : 7;
144         cpu_reg_names_size -= (i < 10) ? 6 : 7;
145         snprintf(p, cpu_reg_names_size, "vsr%d", i);
146         cpu_vsr[i] = tcg_global_mem_new_i64(cpu_env,
147                                             offsetof(CPUPPCState, vsr[i]), p);
148         p += (i < 10) ? 5 : 6;
149         cpu_reg_names_size -= (i < 10) ? 5 : 6;
150     }
151 
152     cpu_nip = tcg_global_mem_new(cpu_env,
153                                  offsetof(CPUPPCState, nip), "nip");
154 
155     cpu_msr = tcg_global_mem_new(cpu_env,
156                                  offsetof(CPUPPCState, msr), "msr");
157 
158     cpu_ctr = tcg_global_mem_new(cpu_env,
159                                  offsetof(CPUPPCState, ctr), "ctr");
160 
161     cpu_lr = tcg_global_mem_new(cpu_env,
162                                 offsetof(CPUPPCState, lr), "lr");
163 
164 #if defined(TARGET_PPC64)
165     cpu_cfar = tcg_global_mem_new(cpu_env,
166                                   offsetof(CPUPPCState, cfar), "cfar");
167 #endif
168 
169     cpu_xer = tcg_global_mem_new(cpu_env,
170                                  offsetof(CPUPPCState, xer), "xer");
171     cpu_so = tcg_global_mem_new(cpu_env,
172                                 offsetof(CPUPPCState, so), "SO");
173     cpu_ov = tcg_global_mem_new(cpu_env,
174                                 offsetof(CPUPPCState, ov), "OV");
175     cpu_ca = tcg_global_mem_new(cpu_env,
176                                 offsetof(CPUPPCState, ca), "CA");
177     cpu_ov32 = tcg_global_mem_new(cpu_env,
178                                   offsetof(CPUPPCState, ov32), "OV32");
179     cpu_ca32 = tcg_global_mem_new(cpu_env,
180                                   offsetof(CPUPPCState, ca32), "CA32");
181 
182     cpu_reserve = tcg_global_mem_new(cpu_env,
183                                      offsetof(CPUPPCState, reserve_addr),
184                                      "reserve_addr");
185     cpu_reserve_val = tcg_global_mem_new(cpu_env,
186                                      offsetof(CPUPPCState, reserve_val),
187                                      "reserve_val");
188 
189     cpu_fpscr = tcg_global_mem_new(cpu_env,
190                                    offsetof(CPUPPCState, fpscr), "fpscr");
191 
192     cpu_access_type = tcg_global_mem_new_i32(cpu_env,
193                                              offsetof(CPUPPCState, access_type), "access_type");
194 
195     done_init = 1;
196 }
197 
198 /* internal defines */
199 struct DisasContext {
200     struct TranslationBlock *tb;
201     target_ulong nip;
202     uint32_t opcode;
203     uint32_t exception;
204     /* Routine used to access memory */
205     bool pr, hv, dr, le_mode;
206     bool lazy_tlb_flush;
207     bool need_access_type;
208     int mem_idx;
209     int access_type;
210     /* Translation flags */
211     TCGMemOp default_tcg_memop_mask;
212 #if defined(TARGET_PPC64)
213     bool sf_mode;
214     bool has_cfar;
215 #endif
216     bool fpu_enabled;
217     bool altivec_enabled;
218     bool vsx_enabled;
219     bool spe_enabled;
220     bool tm_enabled;
221     bool gtse;
222     ppc_spr_t *spr_cb; /* Needed to check rights for mfspr/mtspr */
223     int singlestep_enabled;
224     uint64_t insns_flags;
225     uint64_t insns_flags2;
226 };
227 
228 /* Return true iff byteswap is needed in a scalar memop */
229 static inline bool need_byteswap(const DisasContext *ctx)
230 {
231 #if defined(TARGET_WORDS_BIGENDIAN)
232      return ctx->le_mode;
233 #else
234      return !ctx->le_mode;
235 #endif
236 }
237 
238 /* True when active word size < size of target_long.  */
239 #ifdef TARGET_PPC64
240 # define NARROW_MODE(C)  (!(C)->sf_mode)
241 #else
242 # define NARROW_MODE(C)  0
243 #endif
244 
245 struct opc_handler_t {
246     /* invalid bits for instruction 1 (Rc(opcode) == 0) */
247     uint32_t inval1;
248     /* invalid bits for instruction 2 (Rc(opcode) == 1) */
249     uint32_t inval2;
250     /* instruction type */
251     uint64_t type;
252     /* extended instruction type */
253     uint64_t type2;
254     /* handler */
255     void (*handler)(DisasContext *ctx);
256 #if defined(DO_PPC_STATISTICS) || defined(PPC_DUMP_CPU)
257     const char *oname;
258 #endif
259 #if defined(DO_PPC_STATISTICS)
260     uint64_t count;
261 #endif
262 };
263 
264 static inline void gen_set_access_type(DisasContext *ctx, int access_type)
265 {
266     if (ctx->need_access_type && ctx->access_type != access_type) {
267         tcg_gen_movi_i32(cpu_access_type, access_type);
268         ctx->access_type = access_type;
269     }
270 }
271 
272 static inline void gen_update_nip(DisasContext *ctx, target_ulong nip)
273 {
274     if (NARROW_MODE(ctx)) {
275         nip = (uint32_t)nip;
276     }
277     tcg_gen_movi_tl(cpu_nip, nip);
278 }
279 
280 static void gen_exception_err(DisasContext *ctx, uint32_t excp, uint32_t error)
281 {
282     TCGv_i32 t0, t1;
283 
284     /* These are all synchronous exceptions, we set the PC back to
285      * the faulting instruction
286      */
287     if (ctx->exception == POWERPC_EXCP_NONE) {
288         gen_update_nip(ctx, ctx->nip - 4);
289     }
290     t0 = tcg_const_i32(excp);
291     t1 = tcg_const_i32(error);
292     gen_helper_raise_exception_err(cpu_env, t0, t1);
293     tcg_temp_free_i32(t0);
294     tcg_temp_free_i32(t1);
295     ctx->exception = (excp);
296 }
297 
298 static void gen_exception(DisasContext *ctx, uint32_t excp)
299 {
300     TCGv_i32 t0;
301 
302     /* These are all synchronous exceptions, we set the PC back to
303      * the faulting instruction
304      */
305     if (ctx->exception == POWERPC_EXCP_NONE) {
306         gen_update_nip(ctx, ctx->nip - 4);
307     }
308     t0 = tcg_const_i32(excp);
309     gen_helper_raise_exception(cpu_env, t0);
310     tcg_temp_free_i32(t0);
311     ctx->exception = (excp);
312 }
313 
314 static void gen_exception_nip(DisasContext *ctx, uint32_t excp,
315                               target_ulong nip)
316 {
317     TCGv_i32 t0;
318 
319     gen_update_nip(ctx, nip);
320     t0 = tcg_const_i32(excp);
321     gen_helper_raise_exception(cpu_env, t0);
322     tcg_temp_free_i32(t0);
323     ctx->exception = (excp);
324 }
325 
326 static void gen_debug_exception(DisasContext *ctx)
327 {
328     TCGv_i32 t0;
329 
330     /* These are all synchronous exceptions, we set the PC back to
331      * the faulting instruction
332      */
333     if ((ctx->exception != POWERPC_EXCP_BRANCH) &&
334         (ctx->exception != POWERPC_EXCP_SYNC)) {
335         gen_update_nip(ctx, ctx->nip);
336     }
337     t0 = tcg_const_i32(EXCP_DEBUG);
338     gen_helper_raise_exception(cpu_env, t0);
339     tcg_temp_free_i32(t0);
340 }
341 
342 static inline void gen_inval_exception(DisasContext *ctx, uint32_t error)
343 {
344     /* Will be converted to program check if needed */
345     gen_exception_err(ctx, POWERPC_EXCP_HV_EMU, POWERPC_EXCP_INVAL | error);
346 }
347 
348 static inline void gen_priv_exception(DisasContext *ctx, uint32_t error)
349 {
350     gen_exception_err(ctx, POWERPC_EXCP_PROGRAM, POWERPC_EXCP_PRIV | error);
351 }
352 
353 static inline void gen_hvpriv_exception(DisasContext *ctx, uint32_t error)
354 {
355     /* Will be converted to program check if needed */
356     gen_exception_err(ctx, POWERPC_EXCP_HV_EMU, POWERPC_EXCP_PRIV | error);
357 }
358 
359 /* Stop translation */
360 static inline void gen_stop_exception(DisasContext *ctx)
361 {
362     gen_update_nip(ctx, ctx->nip);
363     ctx->exception = POWERPC_EXCP_STOP;
364 }
365 
366 #ifndef CONFIG_USER_ONLY
367 /* No need to update nip here, as execution flow will change */
368 static inline void gen_sync_exception(DisasContext *ctx)
369 {
370     ctx->exception = POWERPC_EXCP_SYNC;
371 }
372 #endif
373 
374 #define GEN_HANDLER(name, opc1, opc2, opc3, inval, type)                      \
375 GEN_OPCODE(name, opc1, opc2, opc3, inval, type, PPC_NONE)
376 
377 #define GEN_HANDLER_E(name, opc1, opc2, opc3, inval, type, type2)             \
378 GEN_OPCODE(name, opc1, opc2, opc3, inval, type, type2)
379 
380 #define GEN_HANDLER2(name, onam, opc1, opc2, opc3, inval, type)               \
381 GEN_OPCODE2(name, onam, opc1, opc2, opc3, inval, type, PPC_NONE)
382 
383 #define GEN_HANDLER2_E(name, onam, opc1, opc2, opc3, inval, type, type2)      \
384 GEN_OPCODE2(name, onam, opc1, opc2, opc3, inval, type, type2)
385 
386 #define GEN_HANDLER_E_2(name, opc1, opc2, opc3, opc4, inval, type, type2)     \
387 GEN_OPCODE3(name, opc1, opc2, opc3, opc4, inval, type, type2)
388 
389 #define GEN_HANDLER2_E_2(name, onam, opc1, opc2, opc3, opc4, inval, typ, typ2) \
390 GEN_OPCODE4(name, onam, opc1, opc2, opc3, opc4, inval, typ, typ2)
391 
392 typedef struct opcode_t {
393     unsigned char opc1, opc2, opc3, opc4;
394 #if HOST_LONG_BITS == 64 /* Explicitly align to 64 bits */
395     unsigned char pad[4];
396 #endif
397     opc_handler_t handler;
398     const char *oname;
399 } opcode_t;
400 
401 /* Helpers for priv. check */
402 #define GEN_PRIV                                                \
403     do {                                                        \
404         gen_priv_exception(ctx, POWERPC_EXCP_PRIV_OPC); return; \
405     } while (0)
406 
407 #if defined(CONFIG_USER_ONLY)
408 #define CHK_HV GEN_PRIV
409 #define CHK_SV GEN_PRIV
410 #define CHK_HVRM GEN_PRIV
411 #else
412 #define CHK_HV                                                          \
413     do {                                                                \
414         if (unlikely(ctx->pr || !ctx->hv)) {                            \
415             GEN_PRIV;                                                   \
416         }                                                               \
417     } while (0)
418 #define CHK_SV                   \
419     do {                         \
420         if (unlikely(ctx->pr)) { \
421             GEN_PRIV;            \
422         }                        \
423     } while (0)
424 #define CHK_HVRM                                            \
425     do {                                                    \
426         if (unlikely(ctx->pr || !ctx->hv || ctx->dr)) {     \
427             GEN_PRIV;                                       \
428         }                                                   \
429     } while (0)
430 #endif
431 
432 #define CHK_NONE
433 
434 /*****************************************************************************/
435 /* PowerPC instructions table                                                */
436 
437 #if defined(DO_PPC_STATISTICS)
438 #define GEN_OPCODE(name, op1, op2, op3, invl, _typ, _typ2)                    \
439 {                                                                             \
440     .opc1 = op1,                                                              \
441     .opc2 = op2,                                                              \
442     .opc3 = op3,                                                              \
443     .opc4 = 0xff,                                                             \
444     .handler = {                                                              \
445         .inval1  = invl,                                                      \
446         .type = _typ,                                                         \
447         .type2 = _typ2,                                                       \
448         .handler = &gen_##name,                                               \
449         .oname = stringify(name),                                             \
450     },                                                                        \
451     .oname = stringify(name),                                                 \
452 }
453 #define GEN_OPCODE_DUAL(name, op1, op2, op3, invl1, invl2, _typ, _typ2)       \
454 {                                                                             \
455     .opc1 = op1,                                                              \
456     .opc2 = op2,                                                              \
457     .opc3 = op3,                                                              \
458     .opc4 = 0xff,                                                             \
459     .handler = {                                                              \
460         .inval1  = invl1,                                                     \
461         .inval2  = invl2,                                                     \
462         .type = _typ,                                                         \
463         .type2 = _typ2,                                                       \
464         .handler = &gen_##name,                                               \
465         .oname = stringify(name),                                             \
466     },                                                                        \
467     .oname = stringify(name),                                                 \
468 }
469 #define GEN_OPCODE2(name, onam, op1, op2, op3, invl, _typ, _typ2)             \
470 {                                                                             \
471     .opc1 = op1,                                                              \
472     .opc2 = op2,                                                              \
473     .opc3 = op3,                                                              \
474     .opc4 = 0xff,                                                             \
475     .handler = {                                                              \
476         .inval1  = invl,                                                      \
477         .type = _typ,                                                         \
478         .type2 = _typ2,                                                       \
479         .handler = &gen_##name,                                               \
480         .oname = onam,                                                        \
481     },                                                                        \
482     .oname = onam,                                                            \
483 }
484 #define GEN_OPCODE3(name, op1, op2, op3, op4, invl, _typ, _typ2)              \
485 {                                                                             \
486     .opc1 = op1,                                                              \
487     .opc2 = op2,                                                              \
488     .opc3 = op3,                                                              \
489     .opc4 = op4,                                                              \
490     .handler = {                                                              \
491         .inval1  = invl,                                                      \
492         .type = _typ,                                                         \
493         .type2 = _typ2,                                                       \
494         .handler = &gen_##name,                                               \
495         .oname = stringify(name),                                             \
496     },                                                                        \
497     .oname = stringify(name),                                                 \
498 }
499 #define GEN_OPCODE4(name, onam, op1, op2, op3, op4, invl, _typ, _typ2)        \
500 {                                                                             \
501     .opc1 = op1,                                                              \
502     .opc2 = op2,                                                              \
503     .opc3 = op3,                                                              \
504     .opc4 = op4,                                                              \
505     .handler = {                                                              \
506         .inval1  = invl,                                                      \
507         .type = _typ,                                                         \
508         .type2 = _typ2,                                                       \
509         .handler = &gen_##name,                                               \
510         .oname = onam,                                                        \
511     },                                                                        \
512     .oname = onam,                                                            \
513 }
514 #else
515 #define GEN_OPCODE(name, op1, op2, op3, invl, _typ, _typ2)                    \
516 {                                                                             \
517     .opc1 = op1,                                                              \
518     .opc2 = op2,                                                              \
519     .opc3 = op3,                                                              \
520     .opc4 = 0xff,                                                             \
521     .handler = {                                                              \
522         .inval1  = invl,                                                      \
523         .type = _typ,                                                         \
524         .type2 = _typ2,                                                       \
525         .handler = &gen_##name,                                               \
526     },                                                                        \
527     .oname = stringify(name),                                                 \
528 }
529 #define GEN_OPCODE_DUAL(name, op1, op2, op3, invl1, invl2, _typ, _typ2)       \
530 {                                                                             \
531     .opc1 = op1,                                                              \
532     .opc2 = op2,                                                              \
533     .opc3 = op3,                                                              \
534     .opc4 = 0xff,                                                             \
535     .handler = {                                                              \
536         .inval1  = invl1,                                                     \
537         .inval2  = invl2,                                                     \
538         .type = _typ,                                                         \
539         .type2 = _typ2,                                                       \
540         .handler = &gen_##name,                                               \
541     },                                                                        \
542     .oname = stringify(name),                                                 \
543 }
544 #define GEN_OPCODE2(name, onam, op1, op2, op3, invl, _typ, _typ2)             \
545 {                                                                             \
546     .opc1 = op1,                                                              \
547     .opc2 = op2,                                                              \
548     .opc3 = op3,                                                              \
549     .opc4 = 0xff,                                                             \
550     .handler = {                                                              \
551         .inval1  = invl,                                                      \
552         .type = _typ,                                                         \
553         .type2 = _typ2,                                                       \
554         .handler = &gen_##name,                                               \
555     },                                                                        \
556     .oname = onam,                                                            \
557 }
558 #define GEN_OPCODE3(name, op1, op2, op3, op4, invl, _typ, _typ2)              \
559 {                                                                             \
560     .opc1 = op1,                                                              \
561     .opc2 = op2,                                                              \
562     .opc3 = op3,                                                              \
563     .opc4 = op4,                                                              \
564     .handler = {                                                              \
565         .inval1  = invl,                                                      \
566         .type = _typ,                                                         \
567         .type2 = _typ2,                                                       \
568         .handler = &gen_##name,                                               \
569     },                                                                        \
570     .oname = stringify(name),                                                 \
571 }
572 #define GEN_OPCODE4(name, onam, op1, op2, op3, op4, invl, _typ, _typ2)        \
573 {                                                                             \
574     .opc1 = op1,                                                              \
575     .opc2 = op2,                                                              \
576     .opc3 = op3,                                                              \
577     .opc4 = op4,                                                              \
578     .handler = {                                                              \
579         .inval1  = invl,                                                      \
580         .type = _typ,                                                         \
581         .type2 = _typ2,                                                       \
582         .handler = &gen_##name,                                               \
583     },                                                                        \
584     .oname = onam,                                                            \
585 }
586 #endif
587 
588 /* SPR load/store helpers */
589 static inline void gen_load_spr(TCGv t, int reg)
590 {
591     tcg_gen_ld_tl(t, cpu_env, offsetof(CPUPPCState, spr[reg]));
592 }
593 
594 static inline void gen_store_spr(int reg, TCGv t)
595 {
596     tcg_gen_st_tl(t, cpu_env, offsetof(CPUPPCState, spr[reg]));
597 }
598 
599 /* Invalid instruction */
600 static void gen_invalid(DisasContext *ctx)
601 {
602     gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
603 }
604 
605 static opc_handler_t invalid_handler = {
606     .inval1  = 0xFFFFFFFF,
607     .inval2  = 0xFFFFFFFF,
608     .type    = PPC_NONE,
609     .type2   = PPC_NONE,
610     .handler = gen_invalid,
611 };
612 
613 /***                           Integer comparison                          ***/
614 
615 static inline void gen_op_cmp(TCGv arg0, TCGv arg1, int s, int crf)
616 {
617     TCGv t0 = tcg_temp_new();
618     TCGv_i32 t1 = tcg_temp_new_i32();
619 
620     tcg_gen_trunc_tl_i32(cpu_crf[crf], cpu_so);
621 
622     tcg_gen_setcond_tl((s ? TCG_COND_LT: TCG_COND_LTU), t0, arg0, arg1);
623     tcg_gen_trunc_tl_i32(t1, t0);
624     tcg_gen_shli_i32(t1, t1, CRF_LT_BIT);
625     tcg_gen_or_i32(cpu_crf[crf], cpu_crf[crf], t1);
626 
627     tcg_gen_setcond_tl((s ? TCG_COND_GT: TCG_COND_GTU), t0, arg0, arg1);
628     tcg_gen_trunc_tl_i32(t1, t0);
629     tcg_gen_shli_i32(t1, t1, CRF_GT_BIT);
630     tcg_gen_or_i32(cpu_crf[crf], cpu_crf[crf], t1);
631 
632     tcg_gen_setcond_tl(TCG_COND_EQ, t0, arg0, arg1);
633     tcg_gen_trunc_tl_i32(t1, t0);
634     tcg_gen_shli_i32(t1, t1, CRF_EQ_BIT);
635     tcg_gen_or_i32(cpu_crf[crf], cpu_crf[crf], t1);
636 
637     tcg_temp_free(t0);
638     tcg_temp_free_i32(t1);
639 }
640 
641 static inline void gen_op_cmpi(TCGv arg0, target_ulong arg1, int s, int crf)
642 {
643     TCGv t0 = tcg_const_tl(arg1);
644     gen_op_cmp(arg0, t0, s, crf);
645     tcg_temp_free(t0);
646 }
647 
648 static inline void gen_op_cmp32(TCGv arg0, TCGv arg1, int s, int crf)
649 {
650     TCGv t0, t1;
651     t0 = tcg_temp_new();
652     t1 = tcg_temp_new();
653     if (s) {
654         tcg_gen_ext32s_tl(t0, arg0);
655         tcg_gen_ext32s_tl(t1, arg1);
656     } else {
657         tcg_gen_ext32u_tl(t0, arg0);
658         tcg_gen_ext32u_tl(t1, arg1);
659     }
660     gen_op_cmp(t0, t1, s, crf);
661     tcg_temp_free(t1);
662     tcg_temp_free(t0);
663 }
664 
665 static inline void gen_op_cmpi32(TCGv arg0, target_ulong arg1, int s, int crf)
666 {
667     TCGv t0 = tcg_const_tl(arg1);
668     gen_op_cmp32(arg0, t0, s, crf);
669     tcg_temp_free(t0);
670 }
671 
672 static inline void gen_set_Rc0(DisasContext *ctx, TCGv reg)
673 {
674     if (NARROW_MODE(ctx)) {
675         gen_op_cmpi32(reg, 0, 1, 0);
676     } else {
677         gen_op_cmpi(reg, 0, 1, 0);
678     }
679 }
680 
681 /* cmp */
682 static void gen_cmp(DisasContext *ctx)
683 {
684     if ((ctx->opcode & 0x00200000) && (ctx->insns_flags & PPC_64B)) {
685         gen_op_cmp(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],
686                    1, crfD(ctx->opcode));
687     } else {
688         gen_op_cmp32(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],
689                      1, crfD(ctx->opcode));
690     }
691 }
692 
693 /* cmpi */
694 static void gen_cmpi(DisasContext *ctx)
695 {
696     if ((ctx->opcode & 0x00200000) && (ctx->insns_flags & PPC_64B)) {
697         gen_op_cmpi(cpu_gpr[rA(ctx->opcode)], SIMM(ctx->opcode),
698                     1, crfD(ctx->opcode));
699     } else {
700         gen_op_cmpi32(cpu_gpr[rA(ctx->opcode)], SIMM(ctx->opcode),
701                       1, crfD(ctx->opcode));
702     }
703 }
704 
705 /* cmpl */
706 static void gen_cmpl(DisasContext *ctx)
707 {
708     if ((ctx->opcode & 0x00200000) && (ctx->insns_flags & PPC_64B)) {
709         gen_op_cmp(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],
710                    0, crfD(ctx->opcode));
711     } else {
712         gen_op_cmp32(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],
713                      0, crfD(ctx->opcode));
714     }
715 }
716 
717 /* cmpli */
718 static void gen_cmpli(DisasContext *ctx)
719 {
720     if ((ctx->opcode & 0x00200000) && (ctx->insns_flags & PPC_64B)) {
721         gen_op_cmpi(cpu_gpr[rA(ctx->opcode)], UIMM(ctx->opcode),
722                     0, crfD(ctx->opcode));
723     } else {
724         gen_op_cmpi32(cpu_gpr[rA(ctx->opcode)], UIMM(ctx->opcode),
725                       0, crfD(ctx->opcode));
726     }
727 }
728 
729 /* cmprb - range comparison: isupper, isaplha, islower*/
730 static void gen_cmprb(DisasContext *ctx)
731 {
732     TCGv_i32 src1 = tcg_temp_new_i32();
733     TCGv_i32 src2 = tcg_temp_new_i32();
734     TCGv_i32 src2lo = tcg_temp_new_i32();
735     TCGv_i32 src2hi = tcg_temp_new_i32();
736     TCGv_i32 crf = cpu_crf[crfD(ctx->opcode)];
737 
738     tcg_gen_trunc_tl_i32(src1, cpu_gpr[rA(ctx->opcode)]);
739     tcg_gen_trunc_tl_i32(src2, cpu_gpr[rB(ctx->opcode)]);
740 
741     tcg_gen_andi_i32(src1, src1, 0xFF);
742     tcg_gen_ext8u_i32(src2lo, src2);
743     tcg_gen_shri_i32(src2, src2, 8);
744     tcg_gen_ext8u_i32(src2hi, src2);
745 
746     tcg_gen_setcond_i32(TCG_COND_LEU, src2lo, src2lo, src1);
747     tcg_gen_setcond_i32(TCG_COND_LEU, src2hi, src1, src2hi);
748     tcg_gen_and_i32(crf, src2lo, src2hi);
749 
750     if (ctx->opcode & 0x00200000) {
751         tcg_gen_shri_i32(src2, src2, 8);
752         tcg_gen_ext8u_i32(src2lo, src2);
753         tcg_gen_shri_i32(src2, src2, 8);
754         tcg_gen_ext8u_i32(src2hi, src2);
755         tcg_gen_setcond_i32(TCG_COND_LEU, src2lo, src2lo, src1);
756         tcg_gen_setcond_i32(TCG_COND_LEU, src2hi, src1, src2hi);
757         tcg_gen_and_i32(src2lo, src2lo, src2hi);
758         tcg_gen_or_i32(crf, crf, src2lo);
759     }
760     tcg_gen_shli_i32(crf, crf, CRF_GT_BIT);
761     tcg_temp_free_i32(src1);
762     tcg_temp_free_i32(src2);
763     tcg_temp_free_i32(src2lo);
764     tcg_temp_free_i32(src2hi);
765 }
766 
767 #if defined(TARGET_PPC64)
768 /* cmpeqb */
769 static void gen_cmpeqb(DisasContext *ctx)
770 {
771     gen_helper_cmpeqb(cpu_crf[crfD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
772                       cpu_gpr[rB(ctx->opcode)]);
773 }
774 #endif
775 
776 /* isel (PowerPC 2.03 specification) */
777 static void gen_isel(DisasContext *ctx)
778 {
779     uint32_t bi = rC(ctx->opcode);
780     uint32_t mask = 0x08 >> (bi & 0x03);
781     TCGv t0 = tcg_temp_new();
782     TCGv zr;
783 
784     tcg_gen_extu_i32_tl(t0, cpu_crf[bi >> 2]);
785     tcg_gen_andi_tl(t0, t0, mask);
786 
787     zr = tcg_const_tl(0);
788     tcg_gen_movcond_tl(TCG_COND_NE, cpu_gpr[rD(ctx->opcode)], t0, zr,
789                        rA(ctx->opcode) ? cpu_gpr[rA(ctx->opcode)] : zr,
790                        cpu_gpr[rB(ctx->opcode)]);
791     tcg_temp_free(zr);
792     tcg_temp_free(t0);
793 }
794 
795 /* cmpb: PowerPC 2.05 specification */
796 static void gen_cmpb(DisasContext *ctx)
797 {
798     gen_helper_cmpb(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)],
799                     cpu_gpr[rB(ctx->opcode)]);
800 }
801 
802 /***                           Integer arithmetic                          ***/
803 
804 static inline void gen_op_arith_compute_ov(DisasContext *ctx, TCGv arg0,
805                                            TCGv arg1, TCGv arg2, int sub)
806 {
807     TCGv t0 = tcg_temp_new();
808 
809     tcg_gen_xor_tl(cpu_ov, arg0, arg2);
810     tcg_gen_xor_tl(t0, arg1, arg2);
811     if (sub) {
812         tcg_gen_and_tl(cpu_ov, cpu_ov, t0);
813     } else {
814         tcg_gen_andc_tl(cpu_ov, cpu_ov, t0);
815     }
816     tcg_temp_free(t0);
817     if (NARROW_MODE(ctx)) {
818         tcg_gen_extract_tl(cpu_ov, cpu_ov, 31, 1);
819         if (is_isa300(ctx)) {
820             tcg_gen_mov_tl(cpu_ov32, cpu_ov);
821         }
822     } else {
823         if (is_isa300(ctx)) {
824             tcg_gen_extract_tl(cpu_ov32, cpu_ov, 31, 1);
825         }
826         tcg_gen_extract_tl(cpu_ov, cpu_ov, TARGET_LONG_BITS - 1, 1);
827     }
828     tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov);
829 }
830 
831 static inline void gen_op_arith_compute_ca32(DisasContext *ctx,
832                                              TCGv res, TCGv arg0, TCGv arg1,
833                                              int sub)
834 {
835     TCGv t0;
836 
837     if (!is_isa300(ctx)) {
838         return;
839     }
840 
841     t0 = tcg_temp_new();
842     if (sub) {
843         tcg_gen_eqv_tl(t0, arg0, arg1);
844     } else {
845         tcg_gen_xor_tl(t0, arg0, arg1);
846     }
847     tcg_gen_xor_tl(t0, t0, res);
848     tcg_gen_extract_tl(cpu_ca32, t0, 32, 1);
849     tcg_temp_free(t0);
850 }
851 
852 /* Common add function */
853 static inline void gen_op_arith_add(DisasContext *ctx, TCGv ret, TCGv arg1,
854                                     TCGv arg2, bool add_ca, bool compute_ca,
855                                     bool compute_ov, bool compute_rc0)
856 {
857     TCGv t0 = ret;
858 
859     if (compute_ca || compute_ov) {
860         t0 = tcg_temp_new();
861     }
862 
863     if (compute_ca) {
864         if (NARROW_MODE(ctx)) {
865             /* Caution: a non-obvious corner case of the spec is that we
866                must produce the *entire* 64-bit addition, but produce the
867                carry into bit 32.  */
868             TCGv t1 = tcg_temp_new();
869             tcg_gen_xor_tl(t1, arg1, arg2);        /* add without carry */
870             tcg_gen_add_tl(t0, arg1, arg2);
871             if (add_ca) {
872                 tcg_gen_add_tl(t0, t0, cpu_ca);
873             }
874             tcg_gen_xor_tl(cpu_ca, t0, t1);        /* bits changed w/ carry */
875             tcg_temp_free(t1);
876             tcg_gen_extract_tl(cpu_ca, cpu_ca, 32, 1);
877             if (is_isa300(ctx)) {
878                 tcg_gen_mov_tl(cpu_ca32, cpu_ca);
879             }
880         } else {
881             TCGv zero = tcg_const_tl(0);
882             if (add_ca) {
883                 tcg_gen_add2_tl(t0, cpu_ca, arg1, zero, cpu_ca, zero);
884                 tcg_gen_add2_tl(t0, cpu_ca, t0, cpu_ca, arg2, zero);
885             } else {
886                 tcg_gen_add2_tl(t0, cpu_ca, arg1, zero, arg2, zero);
887             }
888             gen_op_arith_compute_ca32(ctx, t0, arg1, arg2, 0);
889             tcg_temp_free(zero);
890         }
891     } else {
892         tcg_gen_add_tl(t0, arg1, arg2);
893         if (add_ca) {
894             tcg_gen_add_tl(t0, t0, cpu_ca);
895         }
896     }
897 
898     if (compute_ov) {
899         gen_op_arith_compute_ov(ctx, t0, arg1, arg2, 0);
900     }
901     if (unlikely(compute_rc0)) {
902         gen_set_Rc0(ctx, t0);
903     }
904 
905     if (!TCGV_EQUAL(t0, ret)) {
906         tcg_gen_mov_tl(ret, t0);
907         tcg_temp_free(t0);
908     }
909 }
910 /* Add functions with two operands */
911 #define GEN_INT_ARITH_ADD(name, opc3, add_ca, compute_ca, compute_ov)         \
912 static void glue(gen_, name)(DisasContext *ctx)                               \
913 {                                                                             \
914     gen_op_arith_add(ctx, cpu_gpr[rD(ctx->opcode)],                           \
915                      cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],      \
916                      add_ca, compute_ca, compute_ov, Rc(ctx->opcode));        \
917 }
918 /* Add functions with one operand and one immediate */
919 #define GEN_INT_ARITH_ADD_CONST(name, opc3, const_val,                        \
920                                 add_ca, compute_ca, compute_ov)               \
921 static void glue(gen_, name)(DisasContext *ctx)                               \
922 {                                                                             \
923     TCGv t0 = tcg_const_tl(const_val);                                        \
924     gen_op_arith_add(ctx, cpu_gpr[rD(ctx->opcode)],                           \
925                      cpu_gpr[rA(ctx->opcode)], t0,                            \
926                      add_ca, compute_ca, compute_ov, Rc(ctx->opcode));        \
927     tcg_temp_free(t0);                                                        \
928 }
929 
930 /* add  add.  addo  addo. */
931 GEN_INT_ARITH_ADD(add, 0x08, 0, 0, 0)
932 GEN_INT_ARITH_ADD(addo, 0x18, 0, 0, 1)
933 /* addc  addc.  addco  addco. */
934 GEN_INT_ARITH_ADD(addc, 0x00, 0, 1, 0)
935 GEN_INT_ARITH_ADD(addco, 0x10, 0, 1, 1)
936 /* adde  adde.  addeo  addeo. */
937 GEN_INT_ARITH_ADD(adde, 0x04, 1, 1, 0)
938 GEN_INT_ARITH_ADD(addeo, 0x14, 1, 1, 1)
939 /* addme  addme.  addmeo  addmeo.  */
940 GEN_INT_ARITH_ADD_CONST(addme, 0x07, -1LL, 1, 1, 0)
941 GEN_INT_ARITH_ADD_CONST(addmeo, 0x17, -1LL, 1, 1, 1)
942 /* addze  addze.  addzeo  addzeo.*/
943 GEN_INT_ARITH_ADD_CONST(addze, 0x06, 0, 1, 1, 0)
944 GEN_INT_ARITH_ADD_CONST(addzeo, 0x16, 0, 1, 1, 1)
945 /* addi */
946 static void gen_addi(DisasContext *ctx)
947 {
948     target_long simm = SIMM(ctx->opcode);
949 
950     if (rA(ctx->opcode) == 0) {
951         /* li case */
952         tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], simm);
953     } else {
954         tcg_gen_addi_tl(cpu_gpr[rD(ctx->opcode)],
955                         cpu_gpr[rA(ctx->opcode)], simm);
956     }
957 }
958 /* addic  addic.*/
959 static inline void gen_op_addic(DisasContext *ctx, bool compute_rc0)
960 {
961     TCGv c = tcg_const_tl(SIMM(ctx->opcode));
962     gen_op_arith_add(ctx, cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
963                      c, 0, 1, 0, compute_rc0);
964     tcg_temp_free(c);
965 }
966 
967 static void gen_addic(DisasContext *ctx)
968 {
969     gen_op_addic(ctx, 0);
970 }
971 
972 static void gen_addic_(DisasContext *ctx)
973 {
974     gen_op_addic(ctx, 1);
975 }
976 
977 /* addis */
978 static void gen_addis(DisasContext *ctx)
979 {
980     target_long simm = SIMM(ctx->opcode);
981 
982     if (rA(ctx->opcode) == 0) {
983         /* lis case */
984         tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], simm << 16);
985     } else {
986         tcg_gen_addi_tl(cpu_gpr[rD(ctx->opcode)],
987                         cpu_gpr[rA(ctx->opcode)], simm << 16);
988     }
989 }
990 
991 /* addpcis */
992 static void gen_addpcis(DisasContext *ctx)
993 {
994     target_long d = DX(ctx->opcode);
995 
996     tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], ctx->nip + (d << 16));
997 }
998 
999 static inline void gen_op_arith_divw(DisasContext *ctx, TCGv ret, TCGv arg1,
1000                                      TCGv arg2, int sign, int compute_ov)
1001 {
1002     TCGv_i32 t0 = tcg_temp_new_i32();
1003     TCGv_i32 t1 = tcg_temp_new_i32();
1004     TCGv_i32 t2 = tcg_temp_new_i32();
1005     TCGv_i32 t3 = tcg_temp_new_i32();
1006 
1007     tcg_gen_trunc_tl_i32(t0, arg1);
1008     tcg_gen_trunc_tl_i32(t1, arg2);
1009     if (sign) {
1010         tcg_gen_setcondi_i32(TCG_COND_EQ, t2, t0, INT_MIN);
1011         tcg_gen_setcondi_i32(TCG_COND_EQ, t3, t1, -1);
1012         tcg_gen_and_i32(t2, t2, t3);
1013         tcg_gen_setcondi_i32(TCG_COND_EQ, t3, t1, 0);
1014         tcg_gen_or_i32(t2, t2, t3);
1015         tcg_gen_movi_i32(t3, 0);
1016         tcg_gen_movcond_i32(TCG_COND_NE, t1, t2, t3, t2, t1);
1017         tcg_gen_div_i32(t3, t0, t1);
1018         tcg_gen_extu_i32_tl(ret, t3);
1019     } else {
1020         tcg_gen_setcondi_i32(TCG_COND_EQ, t2, t1, 0);
1021         tcg_gen_movi_i32(t3, 0);
1022         tcg_gen_movcond_i32(TCG_COND_NE, t1, t2, t3, t2, t1);
1023         tcg_gen_divu_i32(t3, t0, t1);
1024         tcg_gen_extu_i32_tl(ret, t3);
1025     }
1026     if (compute_ov) {
1027         tcg_gen_extu_i32_tl(cpu_ov, t2);
1028         if (is_isa300(ctx)) {
1029             tcg_gen_extu_i32_tl(cpu_ov32, t2);
1030         }
1031         tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov);
1032     }
1033     tcg_temp_free_i32(t0);
1034     tcg_temp_free_i32(t1);
1035     tcg_temp_free_i32(t2);
1036     tcg_temp_free_i32(t3);
1037 
1038     if (unlikely(Rc(ctx->opcode) != 0))
1039         gen_set_Rc0(ctx, ret);
1040 }
1041 /* Div functions */
1042 #define GEN_INT_ARITH_DIVW(name, opc3, sign, compute_ov)                      \
1043 static void glue(gen_, name)(DisasContext *ctx)                                       \
1044 {                                                                             \
1045     gen_op_arith_divw(ctx, cpu_gpr[rD(ctx->opcode)],                          \
1046                      cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],      \
1047                      sign, compute_ov);                                       \
1048 }
1049 /* divwu  divwu.  divwuo  divwuo.   */
1050 GEN_INT_ARITH_DIVW(divwu, 0x0E, 0, 0);
1051 GEN_INT_ARITH_DIVW(divwuo, 0x1E, 0, 1);
1052 /* divw  divw.  divwo  divwo.   */
1053 GEN_INT_ARITH_DIVW(divw, 0x0F, 1, 0);
1054 GEN_INT_ARITH_DIVW(divwo, 0x1F, 1, 1);
1055 
1056 /* div[wd]eu[o][.] */
1057 #define GEN_DIVE(name, hlpr, compute_ov)                                      \
1058 static void gen_##name(DisasContext *ctx)                                     \
1059 {                                                                             \
1060     TCGv_i32 t0 = tcg_const_i32(compute_ov);                                  \
1061     gen_helper_##hlpr(cpu_gpr[rD(ctx->opcode)], cpu_env,                      \
1062                      cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], t0); \
1063     tcg_temp_free_i32(t0);                                                    \
1064     if (unlikely(Rc(ctx->opcode) != 0)) {                                     \
1065         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);                           \
1066     }                                                                         \
1067 }
1068 
1069 GEN_DIVE(divweu, divweu, 0);
1070 GEN_DIVE(divweuo, divweu, 1);
1071 GEN_DIVE(divwe, divwe, 0);
1072 GEN_DIVE(divweo, divwe, 1);
1073 
1074 #if defined(TARGET_PPC64)
1075 static inline void gen_op_arith_divd(DisasContext *ctx, TCGv ret, TCGv arg1,
1076                                      TCGv arg2, int sign, int compute_ov)
1077 {
1078     TCGv_i64 t0 = tcg_temp_new_i64();
1079     TCGv_i64 t1 = tcg_temp_new_i64();
1080     TCGv_i64 t2 = tcg_temp_new_i64();
1081     TCGv_i64 t3 = tcg_temp_new_i64();
1082 
1083     tcg_gen_mov_i64(t0, arg1);
1084     tcg_gen_mov_i64(t1, arg2);
1085     if (sign) {
1086         tcg_gen_setcondi_i64(TCG_COND_EQ, t2, t0, INT64_MIN);
1087         tcg_gen_setcondi_i64(TCG_COND_EQ, t3, t1, -1);
1088         tcg_gen_and_i64(t2, t2, t3);
1089         tcg_gen_setcondi_i64(TCG_COND_EQ, t3, t1, 0);
1090         tcg_gen_or_i64(t2, t2, t3);
1091         tcg_gen_movi_i64(t3, 0);
1092         tcg_gen_movcond_i64(TCG_COND_NE, t1, t2, t3, t2, t1);
1093         tcg_gen_div_i64(ret, t0, t1);
1094     } else {
1095         tcg_gen_setcondi_i64(TCG_COND_EQ, t2, t1, 0);
1096         tcg_gen_movi_i64(t3, 0);
1097         tcg_gen_movcond_i64(TCG_COND_NE, t1, t2, t3, t2, t1);
1098         tcg_gen_divu_i64(ret, t0, t1);
1099     }
1100     if (compute_ov) {
1101         tcg_gen_mov_tl(cpu_ov, t2);
1102         if (is_isa300(ctx)) {
1103             tcg_gen_mov_tl(cpu_ov32, t2);
1104         }
1105         tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov);
1106     }
1107     tcg_temp_free_i64(t0);
1108     tcg_temp_free_i64(t1);
1109     tcg_temp_free_i64(t2);
1110     tcg_temp_free_i64(t3);
1111 
1112     if (unlikely(Rc(ctx->opcode) != 0))
1113         gen_set_Rc0(ctx, ret);
1114 }
1115 
1116 #define GEN_INT_ARITH_DIVD(name, opc3, sign, compute_ov)                      \
1117 static void glue(gen_, name)(DisasContext *ctx)                                       \
1118 {                                                                             \
1119     gen_op_arith_divd(ctx, cpu_gpr[rD(ctx->opcode)],                          \
1120                       cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],     \
1121                       sign, compute_ov);                                      \
1122 }
1123 /* divdu  divdu.  divduo  divduo.   */
1124 GEN_INT_ARITH_DIVD(divdu, 0x0E, 0, 0);
1125 GEN_INT_ARITH_DIVD(divduo, 0x1E, 0, 1);
1126 /* divd  divd.  divdo  divdo.   */
1127 GEN_INT_ARITH_DIVD(divd, 0x0F, 1, 0);
1128 GEN_INT_ARITH_DIVD(divdo, 0x1F, 1, 1);
1129 
1130 GEN_DIVE(divdeu, divdeu, 0);
1131 GEN_DIVE(divdeuo, divdeu, 1);
1132 GEN_DIVE(divde, divde, 0);
1133 GEN_DIVE(divdeo, divde, 1);
1134 #endif
1135 
1136 static inline void gen_op_arith_modw(DisasContext *ctx, TCGv ret, TCGv arg1,
1137                                      TCGv arg2, int sign)
1138 {
1139     TCGv_i32 t0 = tcg_temp_new_i32();
1140     TCGv_i32 t1 = tcg_temp_new_i32();
1141 
1142     tcg_gen_trunc_tl_i32(t0, arg1);
1143     tcg_gen_trunc_tl_i32(t1, arg2);
1144     if (sign) {
1145         TCGv_i32 t2 = tcg_temp_new_i32();
1146         TCGv_i32 t3 = tcg_temp_new_i32();
1147         tcg_gen_setcondi_i32(TCG_COND_EQ, t2, t0, INT_MIN);
1148         tcg_gen_setcondi_i32(TCG_COND_EQ, t3, t1, -1);
1149         tcg_gen_and_i32(t2, t2, t3);
1150         tcg_gen_setcondi_i32(TCG_COND_EQ, t3, t1, 0);
1151         tcg_gen_or_i32(t2, t2, t3);
1152         tcg_gen_movi_i32(t3, 0);
1153         tcg_gen_movcond_i32(TCG_COND_NE, t1, t2, t3, t2, t1);
1154         tcg_gen_rem_i32(t3, t0, t1);
1155         tcg_gen_ext_i32_tl(ret, t3);
1156         tcg_temp_free_i32(t2);
1157         tcg_temp_free_i32(t3);
1158     } else {
1159         TCGv_i32 t2 = tcg_const_i32(1);
1160         TCGv_i32 t3 = tcg_const_i32(0);
1161         tcg_gen_movcond_i32(TCG_COND_EQ, t1, t1, t3, t2, t1);
1162         tcg_gen_remu_i32(t3, t0, t1);
1163         tcg_gen_extu_i32_tl(ret, t3);
1164         tcg_temp_free_i32(t2);
1165         tcg_temp_free_i32(t3);
1166     }
1167     tcg_temp_free_i32(t0);
1168     tcg_temp_free_i32(t1);
1169 }
1170 
1171 #define GEN_INT_ARITH_MODW(name, opc3, sign)                                \
1172 static void glue(gen_, name)(DisasContext *ctx)                             \
1173 {                                                                           \
1174     gen_op_arith_modw(ctx, cpu_gpr[rD(ctx->opcode)],                        \
1175                       cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],   \
1176                       sign);                                                \
1177 }
1178 
1179 GEN_INT_ARITH_MODW(moduw, 0x08, 0);
1180 GEN_INT_ARITH_MODW(modsw, 0x18, 1);
1181 
1182 #if defined(TARGET_PPC64)
1183 static inline void gen_op_arith_modd(DisasContext *ctx, TCGv ret, TCGv arg1,
1184                                      TCGv arg2, int sign)
1185 {
1186     TCGv_i64 t0 = tcg_temp_new_i64();
1187     TCGv_i64 t1 = tcg_temp_new_i64();
1188 
1189     tcg_gen_mov_i64(t0, arg1);
1190     tcg_gen_mov_i64(t1, arg2);
1191     if (sign) {
1192         TCGv_i64 t2 = tcg_temp_new_i64();
1193         TCGv_i64 t3 = tcg_temp_new_i64();
1194         tcg_gen_setcondi_i64(TCG_COND_EQ, t2, t0, INT64_MIN);
1195         tcg_gen_setcondi_i64(TCG_COND_EQ, t3, t1, -1);
1196         tcg_gen_and_i64(t2, t2, t3);
1197         tcg_gen_setcondi_i64(TCG_COND_EQ, t3, t1, 0);
1198         tcg_gen_or_i64(t2, t2, t3);
1199         tcg_gen_movi_i64(t3, 0);
1200         tcg_gen_movcond_i64(TCG_COND_NE, t1, t2, t3, t2, t1);
1201         tcg_gen_rem_i64(ret, t0, t1);
1202         tcg_temp_free_i64(t2);
1203         tcg_temp_free_i64(t3);
1204     } else {
1205         TCGv_i64 t2 = tcg_const_i64(1);
1206         TCGv_i64 t3 = tcg_const_i64(0);
1207         tcg_gen_movcond_i64(TCG_COND_EQ, t1, t1, t3, t2, t1);
1208         tcg_gen_remu_i64(ret, t0, t1);
1209         tcg_temp_free_i64(t2);
1210         tcg_temp_free_i64(t3);
1211     }
1212     tcg_temp_free_i64(t0);
1213     tcg_temp_free_i64(t1);
1214 }
1215 
1216 #define GEN_INT_ARITH_MODD(name, opc3, sign)                            \
1217 static void glue(gen_, name)(DisasContext *ctx)                           \
1218 {                                                                         \
1219   gen_op_arith_modd(ctx, cpu_gpr[rD(ctx->opcode)],                        \
1220                     cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],   \
1221                     sign);                                                \
1222 }
1223 
1224 GEN_INT_ARITH_MODD(modud, 0x08, 0);
1225 GEN_INT_ARITH_MODD(modsd, 0x18, 1);
1226 #endif
1227 
1228 /* mulhw  mulhw. */
1229 static void gen_mulhw(DisasContext *ctx)
1230 {
1231     TCGv_i32 t0 = tcg_temp_new_i32();
1232     TCGv_i32 t1 = tcg_temp_new_i32();
1233 
1234     tcg_gen_trunc_tl_i32(t0, cpu_gpr[rA(ctx->opcode)]);
1235     tcg_gen_trunc_tl_i32(t1, cpu_gpr[rB(ctx->opcode)]);
1236     tcg_gen_muls2_i32(t0, t1, t0, t1);
1237     tcg_gen_extu_i32_tl(cpu_gpr[rD(ctx->opcode)], t1);
1238     tcg_temp_free_i32(t0);
1239     tcg_temp_free_i32(t1);
1240     if (unlikely(Rc(ctx->opcode) != 0))
1241         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
1242 }
1243 
1244 /* mulhwu  mulhwu.  */
1245 static void gen_mulhwu(DisasContext *ctx)
1246 {
1247     TCGv_i32 t0 = tcg_temp_new_i32();
1248     TCGv_i32 t1 = tcg_temp_new_i32();
1249 
1250     tcg_gen_trunc_tl_i32(t0, cpu_gpr[rA(ctx->opcode)]);
1251     tcg_gen_trunc_tl_i32(t1, cpu_gpr[rB(ctx->opcode)]);
1252     tcg_gen_mulu2_i32(t0, t1, t0, t1);
1253     tcg_gen_extu_i32_tl(cpu_gpr[rD(ctx->opcode)], t1);
1254     tcg_temp_free_i32(t0);
1255     tcg_temp_free_i32(t1);
1256     if (unlikely(Rc(ctx->opcode) != 0))
1257         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
1258 }
1259 
1260 /* mullw  mullw. */
1261 static void gen_mullw(DisasContext *ctx)
1262 {
1263 #if defined(TARGET_PPC64)
1264     TCGv_i64 t0, t1;
1265     t0 = tcg_temp_new_i64();
1266     t1 = tcg_temp_new_i64();
1267     tcg_gen_ext32s_tl(t0, cpu_gpr[rA(ctx->opcode)]);
1268     tcg_gen_ext32s_tl(t1, cpu_gpr[rB(ctx->opcode)]);
1269     tcg_gen_mul_i64(cpu_gpr[rD(ctx->opcode)], t0, t1);
1270     tcg_temp_free(t0);
1271     tcg_temp_free(t1);
1272 #else
1273     tcg_gen_mul_i32(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
1274                     cpu_gpr[rB(ctx->opcode)]);
1275 #endif
1276     if (unlikely(Rc(ctx->opcode) != 0))
1277         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
1278 }
1279 
1280 /* mullwo  mullwo. */
1281 static void gen_mullwo(DisasContext *ctx)
1282 {
1283     TCGv_i32 t0 = tcg_temp_new_i32();
1284     TCGv_i32 t1 = tcg_temp_new_i32();
1285 
1286     tcg_gen_trunc_tl_i32(t0, cpu_gpr[rA(ctx->opcode)]);
1287     tcg_gen_trunc_tl_i32(t1, cpu_gpr[rB(ctx->opcode)]);
1288     tcg_gen_muls2_i32(t0, t1, t0, t1);
1289 #if defined(TARGET_PPC64)
1290     tcg_gen_concat_i32_i64(cpu_gpr[rD(ctx->opcode)], t0, t1);
1291 #else
1292     tcg_gen_mov_i32(cpu_gpr[rD(ctx->opcode)], t0);
1293 #endif
1294 
1295     tcg_gen_sari_i32(t0, t0, 31);
1296     tcg_gen_setcond_i32(TCG_COND_NE, t0, t0, t1);
1297     tcg_gen_extu_i32_tl(cpu_ov, t0);
1298     if (is_isa300(ctx)) {
1299         tcg_gen_mov_tl(cpu_ov32, cpu_ov);
1300     }
1301     tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov);
1302 
1303     tcg_temp_free_i32(t0);
1304     tcg_temp_free_i32(t1);
1305     if (unlikely(Rc(ctx->opcode) != 0))
1306         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
1307 }
1308 
1309 /* mulli */
1310 static void gen_mulli(DisasContext *ctx)
1311 {
1312     tcg_gen_muli_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
1313                     SIMM(ctx->opcode));
1314 }
1315 
1316 #if defined(TARGET_PPC64)
1317 /* mulhd  mulhd. */
1318 static void gen_mulhd(DisasContext *ctx)
1319 {
1320     TCGv lo = tcg_temp_new();
1321     tcg_gen_muls2_tl(lo, cpu_gpr[rD(ctx->opcode)],
1322                      cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
1323     tcg_temp_free(lo);
1324     if (unlikely(Rc(ctx->opcode) != 0)) {
1325         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
1326     }
1327 }
1328 
1329 /* mulhdu  mulhdu. */
1330 static void gen_mulhdu(DisasContext *ctx)
1331 {
1332     TCGv lo = tcg_temp_new();
1333     tcg_gen_mulu2_tl(lo, cpu_gpr[rD(ctx->opcode)],
1334                      cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
1335     tcg_temp_free(lo);
1336     if (unlikely(Rc(ctx->opcode) != 0)) {
1337         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
1338     }
1339 }
1340 
1341 /* mulld  mulld. */
1342 static void gen_mulld(DisasContext *ctx)
1343 {
1344     tcg_gen_mul_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
1345                    cpu_gpr[rB(ctx->opcode)]);
1346     if (unlikely(Rc(ctx->opcode) != 0))
1347         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
1348 }
1349 
1350 /* mulldo  mulldo. */
1351 static void gen_mulldo(DisasContext *ctx)
1352 {
1353     TCGv_i64 t0 = tcg_temp_new_i64();
1354     TCGv_i64 t1 = tcg_temp_new_i64();
1355 
1356     tcg_gen_muls2_i64(t0, t1, cpu_gpr[rA(ctx->opcode)],
1357                       cpu_gpr[rB(ctx->opcode)]);
1358     tcg_gen_mov_i64(cpu_gpr[rD(ctx->opcode)], t0);
1359 
1360     tcg_gen_sari_i64(t0, t0, 63);
1361     tcg_gen_setcond_i64(TCG_COND_NE, cpu_ov, t0, t1);
1362     if (is_isa300(ctx)) {
1363         tcg_gen_mov_tl(cpu_ov32, cpu_ov);
1364     }
1365     tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov);
1366 
1367     tcg_temp_free_i64(t0);
1368     tcg_temp_free_i64(t1);
1369 
1370     if (unlikely(Rc(ctx->opcode) != 0)) {
1371         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
1372     }
1373 }
1374 #endif
1375 
1376 /* Common subf function */
1377 static inline void gen_op_arith_subf(DisasContext *ctx, TCGv ret, TCGv arg1,
1378                                      TCGv arg2, bool add_ca, bool compute_ca,
1379                                      bool compute_ov, bool compute_rc0)
1380 {
1381     TCGv t0 = ret;
1382 
1383     if (compute_ca || compute_ov) {
1384         t0 = tcg_temp_new();
1385     }
1386 
1387     if (compute_ca) {
1388         /* dest = ~arg1 + arg2 [+ ca].  */
1389         if (NARROW_MODE(ctx)) {
1390             /* Caution: a non-obvious corner case of the spec is that we
1391                must produce the *entire* 64-bit addition, but produce the
1392                carry into bit 32.  */
1393             TCGv inv1 = tcg_temp_new();
1394             TCGv t1 = tcg_temp_new();
1395             tcg_gen_not_tl(inv1, arg1);
1396             if (add_ca) {
1397                 tcg_gen_add_tl(t0, arg2, cpu_ca);
1398             } else {
1399                 tcg_gen_addi_tl(t0, arg2, 1);
1400             }
1401             tcg_gen_xor_tl(t1, arg2, inv1);         /* add without carry */
1402             tcg_gen_add_tl(t0, t0, inv1);
1403             tcg_temp_free(inv1);
1404             tcg_gen_xor_tl(cpu_ca, t0, t1);         /* bits changes w/ carry */
1405             tcg_temp_free(t1);
1406             tcg_gen_extract_tl(cpu_ca, cpu_ca, 32, 1);
1407             if (is_isa300(ctx)) {
1408                 tcg_gen_mov_tl(cpu_ca32, cpu_ca);
1409             }
1410         } else if (add_ca) {
1411             TCGv zero, inv1 = tcg_temp_new();
1412             tcg_gen_not_tl(inv1, arg1);
1413             zero = tcg_const_tl(0);
1414             tcg_gen_add2_tl(t0, cpu_ca, arg2, zero, cpu_ca, zero);
1415             tcg_gen_add2_tl(t0, cpu_ca, t0, cpu_ca, inv1, zero);
1416             gen_op_arith_compute_ca32(ctx, t0, inv1, arg2, 0);
1417             tcg_temp_free(zero);
1418             tcg_temp_free(inv1);
1419         } else {
1420             tcg_gen_setcond_tl(TCG_COND_GEU, cpu_ca, arg2, arg1);
1421             tcg_gen_sub_tl(t0, arg2, arg1);
1422             gen_op_arith_compute_ca32(ctx, t0, arg1, arg2, 1);
1423         }
1424     } else if (add_ca) {
1425         /* Since we're ignoring carry-out, we can simplify the
1426            standard ~arg1 + arg2 + ca to arg2 - arg1 + ca - 1.  */
1427         tcg_gen_sub_tl(t0, arg2, arg1);
1428         tcg_gen_add_tl(t0, t0, cpu_ca);
1429         tcg_gen_subi_tl(t0, t0, 1);
1430     } else {
1431         tcg_gen_sub_tl(t0, arg2, arg1);
1432     }
1433 
1434     if (compute_ov) {
1435         gen_op_arith_compute_ov(ctx, t0, arg1, arg2, 1);
1436     }
1437     if (unlikely(compute_rc0)) {
1438         gen_set_Rc0(ctx, t0);
1439     }
1440 
1441     if (!TCGV_EQUAL(t0, ret)) {
1442         tcg_gen_mov_tl(ret, t0);
1443         tcg_temp_free(t0);
1444     }
1445 }
1446 /* Sub functions with Two operands functions */
1447 #define GEN_INT_ARITH_SUBF(name, opc3, add_ca, compute_ca, compute_ov)        \
1448 static void glue(gen_, name)(DisasContext *ctx)                               \
1449 {                                                                             \
1450     gen_op_arith_subf(ctx, cpu_gpr[rD(ctx->opcode)],                          \
1451                       cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],     \
1452                       add_ca, compute_ca, compute_ov, Rc(ctx->opcode));       \
1453 }
1454 /* Sub functions with one operand and one immediate */
1455 #define GEN_INT_ARITH_SUBF_CONST(name, opc3, const_val,                       \
1456                                 add_ca, compute_ca, compute_ov)               \
1457 static void glue(gen_, name)(DisasContext *ctx)                               \
1458 {                                                                             \
1459     TCGv t0 = tcg_const_tl(const_val);                                        \
1460     gen_op_arith_subf(ctx, cpu_gpr[rD(ctx->opcode)],                          \
1461                       cpu_gpr[rA(ctx->opcode)], t0,                           \
1462                       add_ca, compute_ca, compute_ov, Rc(ctx->opcode));       \
1463     tcg_temp_free(t0);                                                        \
1464 }
1465 /* subf  subf.  subfo  subfo. */
1466 GEN_INT_ARITH_SUBF(subf, 0x01, 0, 0, 0)
1467 GEN_INT_ARITH_SUBF(subfo, 0x11, 0, 0, 1)
1468 /* subfc  subfc.  subfco  subfco. */
1469 GEN_INT_ARITH_SUBF(subfc, 0x00, 0, 1, 0)
1470 GEN_INT_ARITH_SUBF(subfco, 0x10, 0, 1, 1)
1471 /* subfe  subfe.  subfeo  subfo. */
1472 GEN_INT_ARITH_SUBF(subfe, 0x04, 1, 1, 0)
1473 GEN_INT_ARITH_SUBF(subfeo, 0x14, 1, 1, 1)
1474 /* subfme  subfme.  subfmeo  subfmeo.  */
1475 GEN_INT_ARITH_SUBF_CONST(subfme, 0x07, -1LL, 1, 1, 0)
1476 GEN_INT_ARITH_SUBF_CONST(subfmeo, 0x17, -1LL, 1, 1, 1)
1477 /* subfze  subfze.  subfzeo  subfzeo.*/
1478 GEN_INT_ARITH_SUBF_CONST(subfze, 0x06, 0, 1, 1, 0)
1479 GEN_INT_ARITH_SUBF_CONST(subfzeo, 0x16, 0, 1, 1, 1)
1480 
1481 /* subfic */
1482 static void gen_subfic(DisasContext *ctx)
1483 {
1484     TCGv c = tcg_const_tl(SIMM(ctx->opcode));
1485     gen_op_arith_subf(ctx, cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
1486                       c, 0, 1, 0, 0);
1487     tcg_temp_free(c);
1488 }
1489 
1490 /* neg neg. nego nego. */
1491 static inline void gen_op_arith_neg(DisasContext *ctx, bool compute_ov)
1492 {
1493     TCGv zero = tcg_const_tl(0);
1494     gen_op_arith_subf(ctx, cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
1495                       zero, 0, 0, compute_ov, Rc(ctx->opcode));
1496     tcg_temp_free(zero);
1497 }
1498 
1499 static void gen_neg(DisasContext *ctx)
1500 {
1501     tcg_gen_neg_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
1502     if (unlikely(Rc(ctx->opcode))) {
1503         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
1504     }
1505 }
1506 
1507 static void gen_nego(DisasContext *ctx)
1508 {
1509     gen_op_arith_neg(ctx, 1);
1510 }
1511 
1512 /***                            Integer logical                            ***/
1513 #define GEN_LOGICAL2(name, tcg_op, opc, type)                                 \
1514 static void glue(gen_, name)(DisasContext *ctx)                                       \
1515 {                                                                             \
1516     tcg_op(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)],                \
1517        cpu_gpr[rB(ctx->opcode)]);                                             \
1518     if (unlikely(Rc(ctx->opcode) != 0))                                       \
1519         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);                           \
1520 }
1521 
1522 #define GEN_LOGICAL1(name, tcg_op, opc, type)                                 \
1523 static void glue(gen_, name)(DisasContext *ctx)                                       \
1524 {                                                                             \
1525     tcg_op(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);               \
1526     if (unlikely(Rc(ctx->opcode) != 0))                                       \
1527         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);                           \
1528 }
1529 
1530 /* and & and. */
1531 GEN_LOGICAL2(and, tcg_gen_and_tl, 0x00, PPC_INTEGER);
1532 /* andc & andc. */
1533 GEN_LOGICAL2(andc, tcg_gen_andc_tl, 0x01, PPC_INTEGER);
1534 
1535 /* andi. */
1536 static void gen_andi_(DisasContext *ctx)
1537 {
1538     tcg_gen_andi_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], UIMM(ctx->opcode));
1539     gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
1540 }
1541 
1542 /* andis. */
1543 static void gen_andis_(DisasContext *ctx)
1544 {
1545     tcg_gen_andi_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], UIMM(ctx->opcode) << 16);
1546     gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
1547 }
1548 
1549 /* cntlzw */
1550 static void gen_cntlzw(DisasContext *ctx)
1551 {
1552     TCGv_i32 t = tcg_temp_new_i32();
1553 
1554     tcg_gen_trunc_tl_i32(t, cpu_gpr[rS(ctx->opcode)]);
1555     tcg_gen_clzi_i32(t, t, 32);
1556     tcg_gen_extu_i32_tl(cpu_gpr[rA(ctx->opcode)], t);
1557     tcg_temp_free_i32(t);
1558 
1559     if (unlikely(Rc(ctx->opcode) != 0))
1560         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
1561 }
1562 
1563 /* cnttzw */
1564 static void gen_cnttzw(DisasContext *ctx)
1565 {
1566     TCGv_i32 t = tcg_temp_new_i32();
1567 
1568     tcg_gen_trunc_tl_i32(t, cpu_gpr[rS(ctx->opcode)]);
1569     tcg_gen_ctzi_i32(t, t, 32);
1570     tcg_gen_extu_i32_tl(cpu_gpr[rA(ctx->opcode)], t);
1571     tcg_temp_free_i32(t);
1572 
1573     if (unlikely(Rc(ctx->opcode) != 0)) {
1574         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
1575     }
1576 }
1577 
1578 /* eqv & eqv. */
1579 GEN_LOGICAL2(eqv, tcg_gen_eqv_tl, 0x08, PPC_INTEGER);
1580 /* extsb & extsb. */
1581 GEN_LOGICAL1(extsb, tcg_gen_ext8s_tl, 0x1D, PPC_INTEGER);
1582 /* extsh & extsh. */
1583 GEN_LOGICAL1(extsh, tcg_gen_ext16s_tl, 0x1C, PPC_INTEGER);
1584 /* nand & nand. */
1585 GEN_LOGICAL2(nand, tcg_gen_nand_tl, 0x0E, PPC_INTEGER);
1586 /* nor & nor. */
1587 GEN_LOGICAL2(nor, tcg_gen_nor_tl, 0x03, PPC_INTEGER);
1588 
1589 #if defined(TARGET_PPC64) && !defined(CONFIG_USER_ONLY)
1590 static void gen_pause(DisasContext *ctx)
1591 {
1592     TCGv_i32 t0 = tcg_const_i32(0);
1593     tcg_gen_st_i32(t0, cpu_env,
1594                    -offsetof(PowerPCCPU, env) + offsetof(CPUState, halted));
1595     tcg_temp_free_i32(t0);
1596 
1597     /* Stop translation, this gives other CPUs a chance to run */
1598     gen_exception_nip(ctx, EXCP_HLT, ctx->nip);
1599 }
1600 #endif /* defined(TARGET_PPC64) */
1601 
1602 /* or & or. */
1603 static void gen_or(DisasContext *ctx)
1604 {
1605     int rs, ra, rb;
1606 
1607     rs = rS(ctx->opcode);
1608     ra = rA(ctx->opcode);
1609     rb = rB(ctx->opcode);
1610     /* Optimisation for mr. ri case */
1611     if (rs != ra || rs != rb) {
1612         if (rs != rb)
1613             tcg_gen_or_tl(cpu_gpr[ra], cpu_gpr[rs], cpu_gpr[rb]);
1614         else
1615             tcg_gen_mov_tl(cpu_gpr[ra], cpu_gpr[rs]);
1616         if (unlikely(Rc(ctx->opcode) != 0))
1617             gen_set_Rc0(ctx, cpu_gpr[ra]);
1618     } else if (unlikely(Rc(ctx->opcode) != 0)) {
1619         gen_set_Rc0(ctx, cpu_gpr[rs]);
1620 #if defined(TARGET_PPC64)
1621     } else if (rs != 0) { /* 0 is nop */
1622         int prio = 0;
1623 
1624         switch (rs) {
1625         case 1:
1626             /* Set process priority to low */
1627             prio = 2;
1628             break;
1629         case 6:
1630             /* Set process priority to medium-low */
1631             prio = 3;
1632             break;
1633         case 2:
1634             /* Set process priority to normal */
1635             prio = 4;
1636             break;
1637 #if !defined(CONFIG_USER_ONLY)
1638         case 31:
1639             if (!ctx->pr) {
1640                 /* Set process priority to very low */
1641                 prio = 1;
1642             }
1643             break;
1644         case 5:
1645             if (!ctx->pr) {
1646                 /* Set process priority to medium-hight */
1647                 prio = 5;
1648             }
1649             break;
1650         case 3:
1651             if (!ctx->pr) {
1652                 /* Set process priority to high */
1653                 prio = 6;
1654             }
1655             break;
1656         case 7:
1657             if (ctx->hv && !ctx->pr) {
1658                 /* Set process priority to very high */
1659                 prio = 7;
1660             }
1661             break;
1662 #endif
1663         default:
1664             break;
1665         }
1666         if (prio) {
1667             TCGv t0 = tcg_temp_new();
1668             gen_load_spr(t0, SPR_PPR);
1669             tcg_gen_andi_tl(t0, t0, ~0x001C000000000000ULL);
1670             tcg_gen_ori_tl(t0, t0, ((uint64_t)prio) << 50);
1671             gen_store_spr(SPR_PPR, t0);
1672             tcg_temp_free(t0);
1673         }
1674 #if !defined(CONFIG_USER_ONLY)
1675         /* Pause out of TCG otherwise spin loops with smt_low eat too much
1676          * CPU and the kernel hangs.  This applies to all encodings other
1677          * than no-op, e.g., miso(rs=26), yield(27), mdoio(29), mdoom(30),
1678          * and all currently undefined.
1679          */
1680         gen_pause(ctx);
1681 #endif
1682 #endif
1683     }
1684 }
1685 /* orc & orc. */
1686 GEN_LOGICAL2(orc, tcg_gen_orc_tl, 0x0C, PPC_INTEGER);
1687 
1688 /* xor & xor. */
1689 static void gen_xor(DisasContext *ctx)
1690 {
1691     /* Optimisation for "set to zero" case */
1692     if (rS(ctx->opcode) != rB(ctx->opcode))
1693         tcg_gen_xor_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
1694     else
1695         tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0);
1696     if (unlikely(Rc(ctx->opcode) != 0))
1697         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
1698 }
1699 
1700 /* ori */
1701 static void gen_ori(DisasContext *ctx)
1702 {
1703     target_ulong uimm = UIMM(ctx->opcode);
1704 
1705     if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) {
1706         return;
1707     }
1708     tcg_gen_ori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], uimm);
1709 }
1710 
1711 /* oris */
1712 static void gen_oris(DisasContext *ctx)
1713 {
1714     target_ulong uimm = UIMM(ctx->opcode);
1715 
1716     if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) {
1717         /* NOP */
1718         return;
1719     }
1720     tcg_gen_ori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], uimm << 16);
1721 }
1722 
1723 /* xori */
1724 static void gen_xori(DisasContext *ctx)
1725 {
1726     target_ulong uimm = UIMM(ctx->opcode);
1727 
1728     if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) {
1729         /* NOP */
1730         return;
1731     }
1732     tcg_gen_xori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], uimm);
1733 }
1734 
1735 /* xoris */
1736 static void gen_xoris(DisasContext *ctx)
1737 {
1738     target_ulong uimm = UIMM(ctx->opcode);
1739 
1740     if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) {
1741         /* NOP */
1742         return;
1743     }
1744     tcg_gen_xori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], uimm << 16);
1745 }
1746 
1747 /* popcntb : PowerPC 2.03 specification */
1748 static void gen_popcntb(DisasContext *ctx)
1749 {
1750     gen_helper_popcntb(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);
1751 }
1752 
1753 static void gen_popcntw(DisasContext *ctx)
1754 {
1755 #if defined(TARGET_PPC64)
1756     gen_helper_popcntw(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);
1757 #else
1758     tcg_gen_ctpop_i32(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);
1759 #endif
1760 }
1761 
1762 #if defined(TARGET_PPC64)
1763 /* popcntd: PowerPC 2.06 specification */
1764 static void gen_popcntd(DisasContext *ctx)
1765 {
1766     tcg_gen_ctpop_i64(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);
1767 }
1768 #endif
1769 
1770 /* prtyw: PowerPC 2.05 specification */
1771 static void gen_prtyw(DisasContext *ctx)
1772 {
1773     TCGv ra = cpu_gpr[rA(ctx->opcode)];
1774     TCGv rs = cpu_gpr[rS(ctx->opcode)];
1775     TCGv t0 = tcg_temp_new();
1776     tcg_gen_shri_tl(t0, rs, 16);
1777     tcg_gen_xor_tl(ra, rs, t0);
1778     tcg_gen_shri_tl(t0, ra, 8);
1779     tcg_gen_xor_tl(ra, ra, t0);
1780     tcg_gen_andi_tl(ra, ra, (target_ulong)0x100000001ULL);
1781     tcg_temp_free(t0);
1782 }
1783 
1784 #if defined(TARGET_PPC64)
1785 /* prtyd: PowerPC 2.05 specification */
1786 static void gen_prtyd(DisasContext *ctx)
1787 {
1788     TCGv ra = cpu_gpr[rA(ctx->opcode)];
1789     TCGv rs = cpu_gpr[rS(ctx->opcode)];
1790     TCGv t0 = tcg_temp_new();
1791     tcg_gen_shri_tl(t0, rs, 32);
1792     tcg_gen_xor_tl(ra, rs, t0);
1793     tcg_gen_shri_tl(t0, ra, 16);
1794     tcg_gen_xor_tl(ra, ra, t0);
1795     tcg_gen_shri_tl(t0, ra, 8);
1796     tcg_gen_xor_tl(ra, ra, t0);
1797     tcg_gen_andi_tl(ra, ra, 1);
1798     tcg_temp_free(t0);
1799 }
1800 #endif
1801 
1802 #if defined(TARGET_PPC64)
1803 /* bpermd */
1804 static void gen_bpermd(DisasContext *ctx)
1805 {
1806     gen_helper_bpermd(cpu_gpr[rA(ctx->opcode)],
1807                       cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
1808 }
1809 #endif
1810 
1811 #if defined(TARGET_PPC64)
1812 /* extsw & extsw. */
1813 GEN_LOGICAL1(extsw, tcg_gen_ext32s_tl, 0x1E, PPC_64B);
1814 
1815 /* cntlzd */
1816 static void gen_cntlzd(DisasContext *ctx)
1817 {
1818     tcg_gen_clzi_i64(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], 64);
1819     if (unlikely(Rc(ctx->opcode) != 0))
1820         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
1821 }
1822 
1823 /* cnttzd */
1824 static void gen_cnttzd(DisasContext *ctx)
1825 {
1826     tcg_gen_ctzi_i64(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], 64);
1827     if (unlikely(Rc(ctx->opcode) != 0)) {
1828         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
1829     }
1830 }
1831 
1832 /* darn */
1833 static void gen_darn(DisasContext *ctx)
1834 {
1835     int l = L(ctx->opcode);
1836 
1837     if (l == 0) {
1838         gen_helper_darn32(cpu_gpr[rD(ctx->opcode)]);
1839     } else if (l <= 2) {
1840         /* Return 64-bit random for both CRN and RRN */
1841         gen_helper_darn64(cpu_gpr[rD(ctx->opcode)]);
1842     } else {
1843         tcg_gen_movi_i64(cpu_gpr[rD(ctx->opcode)], -1);
1844     }
1845 }
1846 #endif
1847 
1848 /***                             Integer rotate                            ***/
1849 
1850 /* rlwimi & rlwimi. */
1851 static void gen_rlwimi(DisasContext *ctx)
1852 {
1853     TCGv t_ra = cpu_gpr[rA(ctx->opcode)];
1854     TCGv t_rs = cpu_gpr[rS(ctx->opcode)];
1855     uint32_t sh = SH(ctx->opcode);
1856     uint32_t mb = MB(ctx->opcode);
1857     uint32_t me = ME(ctx->opcode);
1858 
1859     if (sh == (31-me) && mb <= me) {
1860         tcg_gen_deposit_tl(t_ra, t_ra, t_rs, sh, me - mb + 1);
1861     } else {
1862         target_ulong mask;
1863         TCGv t1;
1864 
1865 #if defined(TARGET_PPC64)
1866         mb += 32;
1867         me += 32;
1868 #endif
1869         mask = MASK(mb, me);
1870 
1871         t1 = tcg_temp_new();
1872         if (mask <= 0xffffffffu) {
1873             TCGv_i32 t0 = tcg_temp_new_i32();
1874             tcg_gen_trunc_tl_i32(t0, t_rs);
1875             tcg_gen_rotli_i32(t0, t0, sh);
1876             tcg_gen_extu_i32_tl(t1, t0);
1877             tcg_temp_free_i32(t0);
1878         } else {
1879 #if defined(TARGET_PPC64)
1880             tcg_gen_deposit_i64(t1, t_rs, t_rs, 32, 32);
1881             tcg_gen_rotli_i64(t1, t1, sh);
1882 #else
1883             g_assert_not_reached();
1884 #endif
1885         }
1886 
1887         tcg_gen_andi_tl(t1, t1, mask);
1888         tcg_gen_andi_tl(t_ra, t_ra, ~mask);
1889         tcg_gen_or_tl(t_ra, t_ra, t1);
1890         tcg_temp_free(t1);
1891     }
1892     if (unlikely(Rc(ctx->opcode) != 0)) {
1893         gen_set_Rc0(ctx, t_ra);
1894     }
1895 }
1896 
1897 /* rlwinm & rlwinm. */
1898 static void gen_rlwinm(DisasContext *ctx)
1899 {
1900     TCGv t_ra = cpu_gpr[rA(ctx->opcode)];
1901     TCGv t_rs = cpu_gpr[rS(ctx->opcode)];
1902     int sh = SH(ctx->opcode);
1903     int mb = MB(ctx->opcode);
1904     int me = ME(ctx->opcode);
1905     int len = me - mb + 1;
1906     int rsh = (32 - sh) & 31;
1907 
1908     if (sh != 0 && len > 0 && me == (31 - sh)) {
1909         tcg_gen_deposit_z_tl(t_ra, t_rs, sh, len);
1910     } else if (me == 31 && rsh + len <= 32) {
1911         tcg_gen_extract_tl(t_ra, t_rs, rsh, len);
1912     } else {
1913         target_ulong mask;
1914 #if defined(TARGET_PPC64)
1915         mb += 32;
1916         me += 32;
1917 #endif
1918         mask = MASK(mb, me);
1919         if (sh == 0) {
1920             tcg_gen_andi_tl(t_ra, t_rs, mask);
1921         } else if (mask <= 0xffffffffu) {
1922             TCGv_i32 t0 = tcg_temp_new_i32();
1923             tcg_gen_trunc_tl_i32(t0, t_rs);
1924             tcg_gen_rotli_i32(t0, t0, sh);
1925             tcg_gen_andi_i32(t0, t0, mask);
1926             tcg_gen_extu_i32_tl(t_ra, t0);
1927             tcg_temp_free_i32(t0);
1928         } else {
1929 #if defined(TARGET_PPC64)
1930             tcg_gen_deposit_i64(t_ra, t_rs, t_rs, 32, 32);
1931             tcg_gen_rotli_i64(t_ra, t_ra, sh);
1932             tcg_gen_andi_i64(t_ra, t_ra, mask);
1933 #else
1934             g_assert_not_reached();
1935 #endif
1936         }
1937     }
1938     if (unlikely(Rc(ctx->opcode) != 0)) {
1939         gen_set_Rc0(ctx, t_ra);
1940     }
1941 }
1942 
1943 /* rlwnm & rlwnm. */
1944 static void gen_rlwnm(DisasContext *ctx)
1945 {
1946     TCGv t_ra = cpu_gpr[rA(ctx->opcode)];
1947     TCGv t_rs = cpu_gpr[rS(ctx->opcode)];
1948     TCGv t_rb = cpu_gpr[rB(ctx->opcode)];
1949     uint32_t mb = MB(ctx->opcode);
1950     uint32_t me = ME(ctx->opcode);
1951     target_ulong mask;
1952 
1953 #if defined(TARGET_PPC64)
1954     mb += 32;
1955     me += 32;
1956 #endif
1957     mask = MASK(mb, me);
1958 
1959     if (mask <= 0xffffffffu) {
1960         TCGv_i32 t0 = tcg_temp_new_i32();
1961         TCGv_i32 t1 = tcg_temp_new_i32();
1962         tcg_gen_trunc_tl_i32(t0, t_rb);
1963         tcg_gen_trunc_tl_i32(t1, t_rs);
1964         tcg_gen_andi_i32(t0, t0, 0x1f);
1965         tcg_gen_rotl_i32(t1, t1, t0);
1966         tcg_gen_extu_i32_tl(t_ra, t1);
1967         tcg_temp_free_i32(t0);
1968         tcg_temp_free_i32(t1);
1969     } else {
1970 #if defined(TARGET_PPC64)
1971         TCGv_i64 t0 = tcg_temp_new_i64();
1972         tcg_gen_andi_i64(t0, t_rb, 0x1f);
1973         tcg_gen_deposit_i64(t_ra, t_rs, t_rs, 32, 32);
1974         tcg_gen_rotl_i64(t_ra, t_ra, t0);
1975         tcg_temp_free_i64(t0);
1976 #else
1977         g_assert_not_reached();
1978 #endif
1979     }
1980 
1981     tcg_gen_andi_tl(t_ra, t_ra, mask);
1982 
1983     if (unlikely(Rc(ctx->opcode) != 0)) {
1984         gen_set_Rc0(ctx, t_ra);
1985     }
1986 }
1987 
1988 #if defined(TARGET_PPC64)
1989 #define GEN_PPC64_R2(name, opc1, opc2)                                        \
1990 static void glue(gen_, name##0)(DisasContext *ctx)                            \
1991 {                                                                             \
1992     gen_##name(ctx, 0);                                                       \
1993 }                                                                             \
1994                                                                               \
1995 static void glue(gen_, name##1)(DisasContext *ctx)                            \
1996 {                                                                             \
1997     gen_##name(ctx, 1);                                                       \
1998 }
1999 #define GEN_PPC64_R4(name, opc1, opc2)                                        \
2000 static void glue(gen_, name##0)(DisasContext *ctx)                            \
2001 {                                                                             \
2002     gen_##name(ctx, 0, 0);                                                    \
2003 }                                                                             \
2004                                                                               \
2005 static void glue(gen_, name##1)(DisasContext *ctx)                            \
2006 {                                                                             \
2007     gen_##name(ctx, 0, 1);                                                    \
2008 }                                                                             \
2009                                                                               \
2010 static void glue(gen_, name##2)(DisasContext *ctx)                            \
2011 {                                                                             \
2012     gen_##name(ctx, 1, 0);                                                    \
2013 }                                                                             \
2014                                                                               \
2015 static void glue(gen_, name##3)(DisasContext *ctx)                            \
2016 {                                                                             \
2017     gen_##name(ctx, 1, 1);                                                    \
2018 }
2019 
2020 static void gen_rldinm(DisasContext *ctx, int mb, int me, int sh)
2021 {
2022     TCGv t_ra = cpu_gpr[rA(ctx->opcode)];
2023     TCGv t_rs = cpu_gpr[rS(ctx->opcode)];
2024     int len = me - mb + 1;
2025     int rsh = (64 - sh) & 63;
2026 
2027     if (sh != 0 && len > 0 && me == (63 - sh)) {
2028         tcg_gen_deposit_z_tl(t_ra, t_rs, sh, len);
2029     } else if (me == 63 && rsh + len <= 64) {
2030         tcg_gen_extract_tl(t_ra, t_rs, rsh, len);
2031     } else {
2032         tcg_gen_rotli_tl(t_ra, t_rs, sh);
2033         tcg_gen_andi_tl(t_ra, t_ra, MASK(mb, me));
2034     }
2035     if (unlikely(Rc(ctx->opcode) != 0)) {
2036         gen_set_Rc0(ctx, t_ra);
2037     }
2038 }
2039 
2040 /* rldicl - rldicl. */
2041 static inline void gen_rldicl(DisasContext *ctx, int mbn, int shn)
2042 {
2043     uint32_t sh, mb;
2044 
2045     sh = SH(ctx->opcode) | (shn << 5);
2046     mb = MB(ctx->opcode) | (mbn << 5);
2047     gen_rldinm(ctx, mb, 63, sh);
2048 }
2049 GEN_PPC64_R4(rldicl, 0x1E, 0x00);
2050 
2051 /* rldicr - rldicr. */
2052 static inline void gen_rldicr(DisasContext *ctx, int men, int shn)
2053 {
2054     uint32_t sh, me;
2055 
2056     sh = SH(ctx->opcode) | (shn << 5);
2057     me = MB(ctx->opcode) | (men << 5);
2058     gen_rldinm(ctx, 0, me, sh);
2059 }
2060 GEN_PPC64_R4(rldicr, 0x1E, 0x02);
2061 
2062 /* rldic - rldic. */
2063 static inline void gen_rldic(DisasContext *ctx, int mbn, int shn)
2064 {
2065     uint32_t sh, mb;
2066 
2067     sh = SH(ctx->opcode) | (shn << 5);
2068     mb = MB(ctx->opcode) | (mbn << 5);
2069     gen_rldinm(ctx, mb, 63 - sh, sh);
2070 }
2071 GEN_PPC64_R4(rldic, 0x1E, 0x04);
2072 
2073 static void gen_rldnm(DisasContext *ctx, int mb, int me)
2074 {
2075     TCGv t_ra = cpu_gpr[rA(ctx->opcode)];
2076     TCGv t_rs = cpu_gpr[rS(ctx->opcode)];
2077     TCGv t_rb = cpu_gpr[rB(ctx->opcode)];
2078     TCGv t0;
2079 
2080     t0 = tcg_temp_new();
2081     tcg_gen_andi_tl(t0, t_rb, 0x3f);
2082     tcg_gen_rotl_tl(t_ra, t_rs, t0);
2083     tcg_temp_free(t0);
2084 
2085     tcg_gen_andi_tl(t_ra, t_ra, MASK(mb, me));
2086     if (unlikely(Rc(ctx->opcode) != 0)) {
2087         gen_set_Rc0(ctx, t_ra);
2088     }
2089 }
2090 
2091 /* rldcl - rldcl. */
2092 static inline void gen_rldcl(DisasContext *ctx, int mbn)
2093 {
2094     uint32_t mb;
2095 
2096     mb = MB(ctx->opcode) | (mbn << 5);
2097     gen_rldnm(ctx, mb, 63);
2098 }
2099 GEN_PPC64_R2(rldcl, 0x1E, 0x08);
2100 
2101 /* rldcr - rldcr. */
2102 static inline void gen_rldcr(DisasContext *ctx, int men)
2103 {
2104     uint32_t me;
2105 
2106     me = MB(ctx->opcode) | (men << 5);
2107     gen_rldnm(ctx, 0, me);
2108 }
2109 GEN_PPC64_R2(rldcr, 0x1E, 0x09);
2110 
2111 /* rldimi - rldimi. */
2112 static void gen_rldimi(DisasContext *ctx, int mbn, int shn)
2113 {
2114     TCGv t_ra = cpu_gpr[rA(ctx->opcode)];
2115     TCGv t_rs = cpu_gpr[rS(ctx->opcode)];
2116     uint32_t sh = SH(ctx->opcode) | (shn << 5);
2117     uint32_t mb = MB(ctx->opcode) | (mbn << 5);
2118     uint32_t me = 63 - sh;
2119 
2120     if (mb <= me) {
2121         tcg_gen_deposit_tl(t_ra, t_ra, t_rs, sh, me - mb + 1);
2122     } else {
2123         target_ulong mask = MASK(mb, me);
2124         TCGv t1 = tcg_temp_new();
2125 
2126         tcg_gen_rotli_tl(t1, t_rs, sh);
2127         tcg_gen_andi_tl(t1, t1, mask);
2128         tcg_gen_andi_tl(t_ra, t_ra, ~mask);
2129         tcg_gen_or_tl(t_ra, t_ra, t1);
2130         tcg_temp_free(t1);
2131     }
2132     if (unlikely(Rc(ctx->opcode) != 0)) {
2133         gen_set_Rc0(ctx, t_ra);
2134     }
2135 }
2136 GEN_PPC64_R4(rldimi, 0x1E, 0x06);
2137 #endif
2138 
2139 /***                             Integer shift                             ***/
2140 
2141 /* slw & slw. */
2142 static void gen_slw(DisasContext *ctx)
2143 {
2144     TCGv t0, t1;
2145 
2146     t0 = tcg_temp_new();
2147     /* AND rS with a mask that is 0 when rB >= 0x20 */
2148 #if defined(TARGET_PPC64)
2149     tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x3a);
2150     tcg_gen_sari_tl(t0, t0, 0x3f);
2151 #else
2152     tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1a);
2153     tcg_gen_sari_tl(t0, t0, 0x1f);
2154 #endif
2155     tcg_gen_andc_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
2156     t1 = tcg_temp_new();
2157     tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1f);
2158     tcg_gen_shl_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
2159     tcg_temp_free(t1);
2160     tcg_temp_free(t0);
2161     tcg_gen_ext32u_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
2162     if (unlikely(Rc(ctx->opcode) != 0))
2163         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
2164 }
2165 
2166 /* sraw & sraw. */
2167 static void gen_sraw(DisasContext *ctx)
2168 {
2169     gen_helper_sraw(cpu_gpr[rA(ctx->opcode)], cpu_env,
2170                     cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
2171     if (unlikely(Rc(ctx->opcode) != 0))
2172         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
2173 }
2174 
2175 /* srawi & srawi. */
2176 static void gen_srawi(DisasContext *ctx)
2177 {
2178     int sh = SH(ctx->opcode);
2179     TCGv dst = cpu_gpr[rA(ctx->opcode)];
2180     TCGv src = cpu_gpr[rS(ctx->opcode)];
2181     if (sh == 0) {
2182         tcg_gen_ext32s_tl(dst, src);
2183         tcg_gen_movi_tl(cpu_ca, 0);
2184     } else {
2185         TCGv t0;
2186         tcg_gen_ext32s_tl(dst, src);
2187         tcg_gen_andi_tl(cpu_ca, dst, (1ULL << sh) - 1);
2188         t0 = tcg_temp_new();
2189         tcg_gen_sari_tl(t0, dst, TARGET_LONG_BITS - 1);
2190         tcg_gen_and_tl(cpu_ca, cpu_ca, t0);
2191         tcg_temp_free(t0);
2192         tcg_gen_setcondi_tl(TCG_COND_NE, cpu_ca, cpu_ca, 0);
2193         tcg_gen_sari_tl(dst, dst, sh);
2194     }
2195     if (unlikely(Rc(ctx->opcode) != 0)) {
2196         gen_set_Rc0(ctx, dst);
2197     }
2198 }
2199 
2200 /* srw & srw. */
2201 static void gen_srw(DisasContext *ctx)
2202 {
2203     TCGv t0, t1;
2204 
2205     t0 = tcg_temp_new();
2206     /* AND rS with a mask that is 0 when rB >= 0x20 */
2207 #if defined(TARGET_PPC64)
2208     tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x3a);
2209     tcg_gen_sari_tl(t0, t0, 0x3f);
2210 #else
2211     tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1a);
2212     tcg_gen_sari_tl(t0, t0, 0x1f);
2213 #endif
2214     tcg_gen_andc_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
2215     tcg_gen_ext32u_tl(t0, t0);
2216     t1 = tcg_temp_new();
2217     tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1f);
2218     tcg_gen_shr_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
2219     tcg_temp_free(t1);
2220     tcg_temp_free(t0);
2221     if (unlikely(Rc(ctx->opcode) != 0))
2222         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
2223 }
2224 
2225 #if defined(TARGET_PPC64)
2226 /* sld & sld. */
2227 static void gen_sld(DisasContext *ctx)
2228 {
2229     TCGv t0, t1;
2230 
2231     t0 = tcg_temp_new();
2232     /* AND rS with a mask that is 0 when rB >= 0x40 */
2233     tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x39);
2234     tcg_gen_sari_tl(t0, t0, 0x3f);
2235     tcg_gen_andc_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
2236     t1 = tcg_temp_new();
2237     tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x3f);
2238     tcg_gen_shl_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
2239     tcg_temp_free(t1);
2240     tcg_temp_free(t0);
2241     if (unlikely(Rc(ctx->opcode) != 0))
2242         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
2243 }
2244 
2245 /* srad & srad. */
2246 static void gen_srad(DisasContext *ctx)
2247 {
2248     gen_helper_srad(cpu_gpr[rA(ctx->opcode)], cpu_env,
2249                     cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
2250     if (unlikely(Rc(ctx->opcode) != 0))
2251         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
2252 }
2253 /* sradi & sradi. */
2254 static inline void gen_sradi(DisasContext *ctx, int n)
2255 {
2256     int sh = SH(ctx->opcode) + (n << 5);
2257     TCGv dst = cpu_gpr[rA(ctx->opcode)];
2258     TCGv src = cpu_gpr[rS(ctx->opcode)];
2259     if (sh == 0) {
2260         tcg_gen_mov_tl(dst, src);
2261         tcg_gen_movi_tl(cpu_ca, 0);
2262     } else {
2263         TCGv t0;
2264         tcg_gen_andi_tl(cpu_ca, src, (1ULL << sh) - 1);
2265         t0 = tcg_temp_new();
2266         tcg_gen_sari_tl(t0, src, TARGET_LONG_BITS - 1);
2267         tcg_gen_and_tl(cpu_ca, cpu_ca, t0);
2268         tcg_temp_free(t0);
2269         tcg_gen_setcondi_tl(TCG_COND_NE, cpu_ca, cpu_ca, 0);
2270         tcg_gen_sari_tl(dst, src, sh);
2271     }
2272     if (unlikely(Rc(ctx->opcode) != 0)) {
2273         gen_set_Rc0(ctx, dst);
2274     }
2275 }
2276 
2277 static void gen_sradi0(DisasContext *ctx)
2278 {
2279     gen_sradi(ctx, 0);
2280 }
2281 
2282 static void gen_sradi1(DisasContext *ctx)
2283 {
2284     gen_sradi(ctx, 1);
2285 }
2286 
2287 /* extswsli & extswsli. */
2288 static inline void gen_extswsli(DisasContext *ctx, int n)
2289 {
2290     int sh = SH(ctx->opcode) + (n << 5);
2291     TCGv dst = cpu_gpr[rA(ctx->opcode)];
2292     TCGv src = cpu_gpr[rS(ctx->opcode)];
2293 
2294     tcg_gen_ext32s_tl(dst, src);
2295     tcg_gen_shli_tl(dst, dst, sh);
2296     if (unlikely(Rc(ctx->opcode) != 0)) {
2297         gen_set_Rc0(ctx, dst);
2298     }
2299 }
2300 
2301 static void gen_extswsli0(DisasContext *ctx)
2302 {
2303     gen_extswsli(ctx, 0);
2304 }
2305 
2306 static void gen_extswsli1(DisasContext *ctx)
2307 {
2308     gen_extswsli(ctx, 1);
2309 }
2310 
2311 /* srd & srd. */
2312 static void gen_srd(DisasContext *ctx)
2313 {
2314     TCGv t0, t1;
2315 
2316     t0 = tcg_temp_new();
2317     /* AND rS with a mask that is 0 when rB >= 0x40 */
2318     tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x39);
2319     tcg_gen_sari_tl(t0, t0, 0x3f);
2320     tcg_gen_andc_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
2321     t1 = tcg_temp_new();
2322     tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x3f);
2323     tcg_gen_shr_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
2324     tcg_temp_free(t1);
2325     tcg_temp_free(t0);
2326     if (unlikely(Rc(ctx->opcode) != 0))
2327         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
2328 }
2329 #endif
2330 
2331 /***                           Addressing modes                            ***/
2332 /* Register indirect with immediate index : EA = (rA|0) + SIMM */
2333 static inline void gen_addr_imm_index(DisasContext *ctx, TCGv EA,
2334                                       target_long maskl)
2335 {
2336     target_long simm = SIMM(ctx->opcode);
2337 
2338     simm &= ~maskl;
2339     if (rA(ctx->opcode) == 0) {
2340         if (NARROW_MODE(ctx)) {
2341             simm = (uint32_t)simm;
2342         }
2343         tcg_gen_movi_tl(EA, simm);
2344     } else if (likely(simm != 0)) {
2345         tcg_gen_addi_tl(EA, cpu_gpr[rA(ctx->opcode)], simm);
2346         if (NARROW_MODE(ctx)) {
2347             tcg_gen_ext32u_tl(EA, EA);
2348         }
2349     } else {
2350         if (NARROW_MODE(ctx)) {
2351             tcg_gen_ext32u_tl(EA, cpu_gpr[rA(ctx->opcode)]);
2352         } else {
2353             tcg_gen_mov_tl(EA, cpu_gpr[rA(ctx->opcode)]);
2354         }
2355     }
2356 }
2357 
2358 static inline void gen_addr_reg_index(DisasContext *ctx, TCGv EA)
2359 {
2360     if (rA(ctx->opcode) == 0) {
2361         if (NARROW_MODE(ctx)) {
2362             tcg_gen_ext32u_tl(EA, cpu_gpr[rB(ctx->opcode)]);
2363         } else {
2364             tcg_gen_mov_tl(EA, cpu_gpr[rB(ctx->opcode)]);
2365         }
2366     } else {
2367         tcg_gen_add_tl(EA, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
2368         if (NARROW_MODE(ctx)) {
2369             tcg_gen_ext32u_tl(EA, EA);
2370         }
2371     }
2372 }
2373 
2374 static inline void gen_addr_register(DisasContext *ctx, TCGv EA)
2375 {
2376     if (rA(ctx->opcode) == 0) {
2377         tcg_gen_movi_tl(EA, 0);
2378     } else if (NARROW_MODE(ctx)) {
2379         tcg_gen_ext32u_tl(EA, cpu_gpr[rA(ctx->opcode)]);
2380     } else {
2381         tcg_gen_mov_tl(EA, cpu_gpr[rA(ctx->opcode)]);
2382     }
2383 }
2384 
2385 static inline void gen_addr_add(DisasContext *ctx, TCGv ret, TCGv arg1,
2386                                 target_long val)
2387 {
2388     tcg_gen_addi_tl(ret, arg1, val);
2389     if (NARROW_MODE(ctx)) {
2390         tcg_gen_ext32u_tl(ret, ret);
2391     }
2392 }
2393 
2394 static inline void gen_check_align(DisasContext *ctx, TCGv EA, int mask)
2395 {
2396     TCGLabel *l1 = gen_new_label();
2397     TCGv t0 = tcg_temp_new();
2398     TCGv_i32 t1, t2;
2399     tcg_gen_andi_tl(t0, EA, mask);
2400     tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1);
2401     t1 = tcg_const_i32(POWERPC_EXCP_ALIGN);
2402     t2 = tcg_const_i32(ctx->opcode & 0x03FF0000);
2403     gen_update_nip(ctx, ctx->nip - 4);
2404     gen_helper_raise_exception_err(cpu_env, t1, t2);
2405     tcg_temp_free_i32(t1);
2406     tcg_temp_free_i32(t2);
2407     gen_set_label(l1);
2408     tcg_temp_free(t0);
2409 }
2410 
2411 static inline void gen_align_no_le(DisasContext *ctx)
2412 {
2413     gen_exception_err(ctx, POWERPC_EXCP_ALIGN,
2414                       (ctx->opcode & 0x03FF0000) | POWERPC_EXCP_ALIGN_LE);
2415 }
2416 
2417 /***                             Integer load                              ***/
2418 #define DEF_MEMOP(op) ((op) | ctx->default_tcg_memop_mask)
2419 #define BSWAP_MEMOP(op) ((op) | (ctx->default_tcg_memop_mask ^ MO_BSWAP))
2420 
2421 #define GEN_QEMU_LOAD_TL(ldop, op)                                      \
2422 static void glue(gen_qemu_, ldop)(DisasContext *ctx,                    \
2423                                   TCGv val,                             \
2424                                   TCGv addr)                            \
2425 {                                                                       \
2426     tcg_gen_qemu_ld_tl(val, addr, ctx->mem_idx, op);                    \
2427 }
2428 
2429 GEN_QEMU_LOAD_TL(ld8u,  DEF_MEMOP(MO_UB))
2430 GEN_QEMU_LOAD_TL(ld16u, DEF_MEMOP(MO_UW))
2431 GEN_QEMU_LOAD_TL(ld16s, DEF_MEMOP(MO_SW))
2432 GEN_QEMU_LOAD_TL(ld32u, DEF_MEMOP(MO_UL))
2433 GEN_QEMU_LOAD_TL(ld32s, DEF_MEMOP(MO_SL))
2434 
2435 GEN_QEMU_LOAD_TL(ld16ur, BSWAP_MEMOP(MO_UW))
2436 GEN_QEMU_LOAD_TL(ld32ur, BSWAP_MEMOP(MO_UL))
2437 
2438 #define GEN_QEMU_LOAD_64(ldop, op)                                  \
2439 static void glue(gen_qemu_, glue(ldop, _i64))(DisasContext *ctx,    \
2440                                              TCGv_i64 val,          \
2441                                              TCGv addr)             \
2442 {                                                                   \
2443     tcg_gen_qemu_ld_i64(val, addr, ctx->mem_idx, op);               \
2444 }
2445 
2446 GEN_QEMU_LOAD_64(ld8u,  DEF_MEMOP(MO_UB))
2447 GEN_QEMU_LOAD_64(ld16u, DEF_MEMOP(MO_UW))
2448 GEN_QEMU_LOAD_64(ld32u, DEF_MEMOP(MO_UL))
2449 GEN_QEMU_LOAD_64(ld32s, DEF_MEMOP(MO_SL))
2450 GEN_QEMU_LOAD_64(ld64,  DEF_MEMOP(MO_Q))
2451 
2452 #if defined(TARGET_PPC64)
2453 GEN_QEMU_LOAD_64(ld64ur, BSWAP_MEMOP(MO_Q))
2454 #endif
2455 
2456 #define GEN_QEMU_STORE_TL(stop, op)                                     \
2457 static void glue(gen_qemu_, stop)(DisasContext *ctx,                    \
2458                                   TCGv val,                             \
2459                                   TCGv addr)                            \
2460 {                                                                       \
2461     tcg_gen_qemu_st_tl(val, addr, ctx->mem_idx, op);                    \
2462 }
2463 
2464 GEN_QEMU_STORE_TL(st8,  DEF_MEMOP(MO_UB))
2465 GEN_QEMU_STORE_TL(st16, DEF_MEMOP(MO_UW))
2466 GEN_QEMU_STORE_TL(st32, DEF_MEMOP(MO_UL))
2467 
2468 GEN_QEMU_STORE_TL(st16r, BSWAP_MEMOP(MO_UW))
2469 GEN_QEMU_STORE_TL(st32r, BSWAP_MEMOP(MO_UL))
2470 
2471 #define GEN_QEMU_STORE_64(stop, op)                               \
2472 static void glue(gen_qemu_, glue(stop, _i64))(DisasContext *ctx,  \
2473                                               TCGv_i64 val,       \
2474                                               TCGv addr)          \
2475 {                                                                 \
2476     tcg_gen_qemu_st_i64(val, addr, ctx->mem_idx, op);             \
2477 }
2478 
2479 GEN_QEMU_STORE_64(st8,  DEF_MEMOP(MO_UB))
2480 GEN_QEMU_STORE_64(st16, DEF_MEMOP(MO_UW))
2481 GEN_QEMU_STORE_64(st32, DEF_MEMOP(MO_UL))
2482 GEN_QEMU_STORE_64(st64, DEF_MEMOP(MO_Q))
2483 
2484 #if defined(TARGET_PPC64)
2485 GEN_QEMU_STORE_64(st64r, BSWAP_MEMOP(MO_Q))
2486 #endif
2487 
2488 #define GEN_LD(name, ldop, opc, type)                                         \
2489 static void glue(gen_, name)(DisasContext *ctx)                                       \
2490 {                                                                             \
2491     TCGv EA;                                                                  \
2492     gen_set_access_type(ctx, ACCESS_INT);                                     \
2493     EA = tcg_temp_new();                                                      \
2494     gen_addr_imm_index(ctx, EA, 0);                                           \
2495     gen_qemu_##ldop(ctx, cpu_gpr[rD(ctx->opcode)], EA);                       \
2496     tcg_temp_free(EA);                                                        \
2497 }
2498 
2499 #define GEN_LDU(name, ldop, opc, type)                                        \
2500 static void glue(gen_, name##u)(DisasContext *ctx)                                    \
2501 {                                                                             \
2502     TCGv EA;                                                                  \
2503     if (unlikely(rA(ctx->opcode) == 0 ||                                      \
2504                  rA(ctx->opcode) == rD(ctx->opcode))) {                       \
2505         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);                   \
2506         return;                                                               \
2507     }                                                                         \
2508     gen_set_access_type(ctx, ACCESS_INT);                                     \
2509     EA = tcg_temp_new();                                                      \
2510     if (type == PPC_64B)                                                      \
2511         gen_addr_imm_index(ctx, EA, 0x03);                                    \
2512     else                                                                      \
2513         gen_addr_imm_index(ctx, EA, 0);                                       \
2514     gen_qemu_##ldop(ctx, cpu_gpr[rD(ctx->opcode)], EA);                       \
2515     tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA);                             \
2516     tcg_temp_free(EA);                                                        \
2517 }
2518 
2519 #define GEN_LDUX(name, ldop, opc2, opc3, type)                                \
2520 static void glue(gen_, name##ux)(DisasContext *ctx)                                   \
2521 {                                                                             \
2522     TCGv EA;                                                                  \
2523     if (unlikely(rA(ctx->opcode) == 0 ||                                      \
2524                  rA(ctx->opcode) == rD(ctx->opcode))) {                       \
2525         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);                   \
2526         return;                                                               \
2527     }                                                                         \
2528     gen_set_access_type(ctx, ACCESS_INT);                                     \
2529     EA = tcg_temp_new();                                                      \
2530     gen_addr_reg_index(ctx, EA);                                              \
2531     gen_qemu_##ldop(ctx, cpu_gpr[rD(ctx->opcode)], EA);                       \
2532     tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA);                             \
2533     tcg_temp_free(EA);                                                        \
2534 }
2535 
2536 #define GEN_LDX_E(name, ldop, opc2, opc3, type, type2, chk)                   \
2537 static void glue(gen_, name##x)(DisasContext *ctx)                            \
2538 {                                                                             \
2539     TCGv EA;                                                                  \
2540     chk;                                                                      \
2541     gen_set_access_type(ctx, ACCESS_INT);                                     \
2542     EA = tcg_temp_new();                                                      \
2543     gen_addr_reg_index(ctx, EA);                                              \
2544     gen_qemu_##ldop(ctx, cpu_gpr[rD(ctx->opcode)], EA);                       \
2545     tcg_temp_free(EA);                                                        \
2546 }
2547 
2548 #define GEN_LDX(name, ldop, opc2, opc3, type)                                 \
2549     GEN_LDX_E(name, ldop, opc2, opc3, type, PPC_NONE, CHK_NONE)
2550 
2551 #define GEN_LDX_HVRM(name, ldop, opc2, opc3, type)                            \
2552     GEN_LDX_E(name, ldop, opc2, opc3, type, PPC_NONE, CHK_HVRM)
2553 
2554 #define GEN_LDS(name, ldop, op, type)                                         \
2555 GEN_LD(name, ldop, op | 0x20, type);                                          \
2556 GEN_LDU(name, ldop, op | 0x21, type);                                         \
2557 GEN_LDUX(name, ldop, 0x17, op | 0x01, type);                                  \
2558 GEN_LDX(name, ldop, 0x17, op | 0x00, type)
2559 
2560 /* lbz lbzu lbzux lbzx */
2561 GEN_LDS(lbz, ld8u, 0x02, PPC_INTEGER);
2562 /* lha lhau lhaux lhax */
2563 GEN_LDS(lha, ld16s, 0x0A, PPC_INTEGER);
2564 /* lhz lhzu lhzux lhzx */
2565 GEN_LDS(lhz, ld16u, 0x08, PPC_INTEGER);
2566 /* lwz lwzu lwzux lwzx */
2567 GEN_LDS(lwz, ld32u, 0x00, PPC_INTEGER);
2568 #if defined(TARGET_PPC64)
2569 /* lwaux */
2570 GEN_LDUX(lwa, ld32s, 0x15, 0x0B, PPC_64B);
2571 /* lwax */
2572 GEN_LDX(lwa, ld32s, 0x15, 0x0A, PPC_64B);
2573 /* ldux */
2574 GEN_LDUX(ld, ld64_i64, 0x15, 0x01, PPC_64B);
2575 /* ldx */
2576 GEN_LDX(ld, ld64_i64, 0x15, 0x00, PPC_64B);
2577 
2578 /* CI load/store variants */
2579 GEN_LDX_HVRM(ldcix, ld64_i64, 0x15, 0x1b, PPC_CILDST)
2580 GEN_LDX_HVRM(lwzcix, ld32u, 0x15, 0x15, PPC_CILDST)
2581 GEN_LDX_HVRM(lhzcix, ld16u, 0x15, 0x19, PPC_CILDST)
2582 GEN_LDX_HVRM(lbzcix, ld8u, 0x15, 0x1a, PPC_CILDST)
2583 
2584 static void gen_ld(DisasContext *ctx)
2585 {
2586     TCGv EA;
2587     if (Rc(ctx->opcode)) {
2588         if (unlikely(rA(ctx->opcode) == 0 ||
2589                      rA(ctx->opcode) == rD(ctx->opcode))) {
2590             gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
2591             return;
2592         }
2593     }
2594     gen_set_access_type(ctx, ACCESS_INT);
2595     EA = tcg_temp_new();
2596     gen_addr_imm_index(ctx, EA, 0x03);
2597     if (ctx->opcode & 0x02) {
2598         /* lwa (lwau is undefined) */
2599         gen_qemu_ld32s(ctx, cpu_gpr[rD(ctx->opcode)], EA);
2600     } else {
2601         /* ld - ldu */
2602         gen_qemu_ld64_i64(ctx, cpu_gpr[rD(ctx->opcode)], EA);
2603     }
2604     if (Rc(ctx->opcode))
2605         tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA);
2606     tcg_temp_free(EA);
2607 }
2608 
2609 /* lq */
2610 static void gen_lq(DisasContext *ctx)
2611 {
2612     int ra, rd;
2613     TCGv EA;
2614 
2615     /* lq is a legal user mode instruction starting in ISA 2.07 */
2616     bool legal_in_user_mode = (ctx->insns_flags2 & PPC2_LSQ_ISA207) != 0;
2617     bool le_is_supported = (ctx->insns_flags2 & PPC2_LSQ_ISA207) != 0;
2618 
2619     if (!legal_in_user_mode && ctx->pr) {
2620         gen_priv_exception(ctx, POWERPC_EXCP_PRIV_OPC);
2621         return;
2622     }
2623 
2624     if (!le_is_supported && ctx->le_mode) {
2625         gen_align_no_le(ctx);
2626         return;
2627     }
2628     ra = rA(ctx->opcode);
2629     rd = rD(ctx->opcode);
2630     if (unlikely((rd & 1) || rd == ra)) {
2631         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
2632         return;
2633     }
2634 
2635     gen_set_access_type(ctx, ACCESS_INT);
2636     EA = tcg_temp_new();
2637     gen_addr_imm_index(ctx, EA, 0x0F);
2638 
2639     /* We only need to swap high and low halves. gen_qemu_ld64_i64 does
2640        necessary 64-bit byteswap already. */
2641     if (unlikely(ctx->le_mode)) {
2642         gen_qemu_ld64_i64(ctx, cpu_gpr[rd + 1], EA);
2643         gen_addr_add(ctx, EA, EA, 8);
2644         gen_qemu_ld64_i64(ctx, cpu_gpr[rd], EA);
2645     } else {
2646         gen_qemu_ld64_i64(ctx, cpu_gpr[rd], EA);
2647         gen_addr_add(ctx, EA, EA, 8);
2648         gen_qemu_ld64_i64(ctx, cpu_gpr[rd + 1], EA);
2649     }
2650     tcg_temp_free(EA);
2651 }
2652 #endif
2653 
2654 /***                              Integer store                            ***/
2655 #define GEN_ST(name, stop, opc, type)                                         \
2656 static void glue(gen_, name)(DisasContext *ctx)                                       \
2657 {                                                                             \
2658     TCGv EA;                                                                  \
2659     gen_set_access_type(ctx, ACCESS_INT);                                     \
2660     EA = tcg_temp_new();                                                      \
2661     gen_addr_imm_index(ctx, EA, 0);                                           \
2662     gen_qemu_##stop(ctx, cpu_gpr[rS(ctx->opcode)], EA);                       \
2663     tcg_temp_free(EA);                                                        \
2664 }
2665 
2666 #define GEN_STU(name, stop, opc, type)                                        \
2667 static void glue(gen_, stop##u)(DisasContext *ctx)                                    \
2668 {                                                                             \
2669     TCGv EA;                                                                  \
2670     if (unlikely(rA(ctx->opcode) == 0)) {                                     \
2671         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);                   \
2672         return;                                                               \
2673     }                                                                         \
2674     gen_set_access_type(ctx, ACCESS_INT);                                     \
2675     EA = tcg_temp_new();                                                      \
2676     if (type == PPC_64B)                                                      \
2677         gen_addr_imm_index(ctx, EA, 0x03);                                    \
2678     else                                                                      \
2679         gen_addr_imm_index(ctx, EA, 0);                                       \
2680     gen_qemu_##stop(ctx, cpu_gpr[rS(ctx->opcode)], EA);                       \
2681     tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA);                             \
2682     tcg_temp_free(EA);                                                        \
2683 }
2684 
2685 #define GEN_STUX(name, stop, opc2, opc3, type)                                \
2686 static void glue(gen_, name##ux)(DisasContext *ctx)                                   \
2687 {                                                                             \
2688     TCGv EA;                                                                  \
2689     if (unlikely(rA(ctx->opcode) == 0)) {                                     \
2690         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);                   \
2691         return;                                                               \
2692     }                                                                         \
2693     gen_set_access_type(ctx, ACCESS_INT);                                     \
2694     EA = tcg_temp_new();                                                      \
2695     gen_addr_reg_index(ctx, EA);                                              \
2696     gen_qemu_##stop(ctx, cpu_gpr[rS(ctx->opcode)], EA);                       \
2697     tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA);                             \
2698     tcg_temp_free(EA);                                                        \
2699 }
2700 
2701 #define GEN_STX_E(name, stop, opc2, opc3, type, type2, chk)                   \
2702 static void glue(gen_, name##x)(DisasContext *ctx)                            \
2703 {                                                                             \
2704     TCGv EA;                                                                  \
2705     chk;                                                                      \
2706     gen_set_access_type(ctx, ACCESS_INT);                                     \
2707     EA = tcg_temp_new();                                                      \
2708     gen_addr_reg_index(ctx, EA);                                              \
2709     gen_qemu_##stop(ctx, cpu_gpr[rS(ctx->opcode)], EA);                       \
2710     tcg_temp_free(EA);                                                        \
2711 }
2712 #define GEN_STX(name, stop, opc2, opc3, type)                                 \
2713     GEN_STX_E(name, stop, opc2, opc3, type, PPC_NONE, CHK_NONE)
2714 
2715 #define GEN_STX_HVRM(name, stop, opc2, opc3, type)                            \
2716     GEN_STX_E(name, stop, opc2, opc3, type, PPC_NONE, CHK_HVRM)
2717 
2718 #define GEN_STS(name, stop, op, type)                                         \
2719 GEN_ST(name, stop, op | 0x20, type);                                          \
2720 GEN_STU(name, stop, op | 0x21, type);                                         \
2721 GEN_STUX(name, stop, 0x17, op | 0x01, type);                                  \
2722 GEN_STX(name, stop, 0x17, op | 0x00, type)
2723 
2724 /* stb stbu stbux stbx */
2725 GEN_STS(stb, st8, 0x06, PPC_INTEGER);
2726 /* sth sthu sthux sthx */
2727 GEN_STS(sth, st16, 0x0C, PPC_INTEGER);
2728 /* stw stwu stwux stwx */
2729 GEN_STS(stw, st32, 0x04, PPC_INTEGER);
2730 #if defined(TARGET_PPC64)
2731 GEN_STUX(std, st64_i64, 0x15, 0x05, PPC_64B);
2732 GEN_STX(std, st64_i64, 0x15, 0x04, PPC_64B);
2733 GEN_STX_HVRM(stdcix, st64_i64, 0x15, 0x1f, PPC_CILDST)
2734 GEN_STX_HVRM(stwcix, st32, 0x15, 0x1c, PPC_CILDST)
2735 GEN_STX_HVRM(sthcix, st16, 0x15, 0x1d, PPC_CILDST)
2736 GEN_STX_HVRM(stbcix, st8, 0x15, 0x1e, PPC_CILDST)
2737 
2738 static void gen_std(DisasContext *ctx)
2739 {
2740     int rs;
2741     TCGv EA;
2742 
2743     rs = rS(ctx->opcode);
2744     if ((ctx->opcode & 0x3) == 0x2) { /* stq */
2745         bool legal_in_user_mode = (ctx->insns_flags2 & PPC2_LSQ_ISA207) != 0;
2746         bool le_is_supported = (ctx->insns_flags2 & PPC2_LSQ_ISA207) != 0;
2747 
2748         if (!(ctx->insns_flags & PPC_64BX)) {
2749             gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
2750         }
2751 
2752         if (!legal_in_user_mode && ctx->pr) {
2753             gen_priv_exception(ctx, POWERPC_EXCP_PRIV_OPC);
2754             return;
2755         }
2756 
2757         if (!le_is_supported && ctx->le_mode) {
2758             gen_align_no_le(ctx);
2759             return;
2760         }
2761 
2762         if (unlikely(rs & 1)) {
2763             gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
2764             return;
2765         }
2766         gen_set_access_type(ctx, ACCESS_INT);
2767         EA = tcg_temp_new();
2768         gen_addr_imm_index(ctx, EA, 0x03);
2769 
2770         /* We only need to swap high and low halves. gen_qemu_st64_i64 does
2771            necessary 64-bit byteswap already. */
2772         if (unlikely(ctx->le_mode)) {
2773             gen_qemu_st64_i64(ctx, cpu_gpr[rs + 1], EA);
2774             gen_addr_add(ctx, EA, EA, 8);
2775             gen_qemu_st64_i64(ctx, cpu_gpr[rs], EA);
2776         } else {
2777             gen_qemu_st64_i64(ctx, cpu_gpr[rs], EA);
2778             gen_addr_add(ctx, EA, EA, 8);
2779             gen_qemu_st64_i64(ctx, cpu_gpr[rs + 1], EA);
2780         }
2781         tcg_temp_free(EA);
2782     } else {
2783         /* std / stdu*/
2784         if (Rc(ctx->opcode)) {
2785             if (unlikely(rA(ctx->opcode) == 0)) {
2786                 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
2787                 return;
2788             }
2789         }
2790         gen_set_access_type(ctx, ACCESS_INT);
2791         EA = tcg_temp_new();
2792         gen_addr_imm_index(ctx, EA, 0x03);
2793         gen_qemu_st64_i64(ctx, cpu_gpr[rs], EA);
2794         if (Rc(ctx->opcode))
2795             tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA);
2796         tcg_temp_free(EA);
2797     }
2798 }
2799 #endif
2800 /***                Integer load and store with byte reverse               ***/
2801 
2802 /* lhbrx */
2803 GEN_LDX(lhbr, ld16ur, 0x16, 0x18, PPC_INTEGER);
2804 
2805 /* lwbrx */
2806 GEN_LDX(lwbr, ld32ur, 0x16, 0x10, PPC_INTEGER);
2807 
2808 #if defined(TARGET_PPC64)
2809 /* ldbrx */
2810 GEN_LDX_E(ldbr, ld64ur_i64, 0x14, 0x10, PPC_NONE, PPC2_DBRX, CHK_NONE);
2811 /* stdbrx */
2812 GEN_STX_E(stdbr, st64r_i64, 0x14, 0x14, PPC_NONE, PPC2_DBRX, CHK_NONE);
2813 #endif  /* TARGET_PPC64 */
2814 
2815 /* sthbrx */
2816 GEN_STX(sthbr, st16r, 0x16, 0x1C, PPC_INTEGER);
2817 /* stwbrx */
2818 GEN_STX(stwbr, st32r, 0x16, 0x14, PPC_INTEGER);
2819 
2820 /***                    Integer load and store multiple                    ***/
2821 
2822 /* lmw */
2823 static void gen_lmw(DisasContext *ctx)
2824 {
2825     TCGv t0;
2826     TCGv_i32 t1;
2827 
2828     if (ctx->le_mode) {
2829         gen_align_no_le(ctx);
2830         return;
2831     }
2832     gen_set_access_type(ctx, ACCESS_INT);
2833     t0 = tcg_temp_new();
2834     t1 = tcg_const_i32(rD(ctx->opcode));
2835     gen_addr_imm_index(ctx, t0, 0);
2836     gen_helper_lmw(cpu_env, t0, t1);
2837     tcg_temp_free(t0);
2838     tcg_temp_free_i32(t1);
2839 }
2840 
2841 /* stmw */
2842 static void gen_stmw(DisasContext *ctx)
2843 {
2844     TCGv t0;
2845     TCGv_i32 t1;
2846 
2847     if (ctx->le_mode) {
2848         gen_align_no_le(ctx);
2849         return;
2850     }
2851     gen_set_access_type(ctx, ACCESS_INT);
2852     t0 = tcg_temp_new();
2853     t1 = tcg_const_i32(rS(ctx->opcode));
2854     gen_addr_imm_index(ctx, t0, 0);
2855     gen_helper_stmw(cpu_env, t0, t1);
2856     tcg_temp_free(t0);
2857     tcg_temp_free_i32(t1);
2858 }
2859 
2860 /***                    Integer load and store strings                     ***/
2861 
2862 /* lswi */
2863 /* PowerPC32 specification says we must generate an exception if
2864  * rA is in the range of registers to be loaded.
2865  * In an other hand, IBM says this is valid, but rA won't be loaded.
2866  * For now, I'll follow the spec...
2867  */
2868 static void gen_lswi(DisasContext *ctx)
2869 {
2870     TCGv t0;
2871     TCGv_i32 t1, t2;
2872     int nb = NB(ctx->opcode);
2873     int start = rD(ctx->opcode);
2874     int ra = rA(ctx->opcode);
2875     int nr;
2876 
2877     if (ctx->le_mode) {
2878         gen_align_no_le(ctx);
2879         return;
2880     }
2881     if (nb == 0)
2882         nb = 32;
2883     nr = DIV_ROUND_UP(nb, 4);
2884     if (unlikely(lsw_reg_in_range(start, nr, ra))) {
2885         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_LSWX);
2886         return;
2887     }
2888     gen_set_access_type(ctx, ACCESS_INT);
2889     t0 = tcg_temp_new();
2890     gen_addr_register(ctx, t0);
2891     t1 = tcg_const_i32(nb);
2892     t2 = tcg_const_i32(start);
2893     gen_helper_lsw(cpu_env, t0, t1, t2);
2894     tcg_temp_free(t0);
2895     tcg_temp_free_i32(t1);
2896     tcg_temp_free_i32(t2);
2897 }
2898 
2899 /* lswx */
2900 static void gen_lswx(DisasContext *ctx)
2901 {
2902     TCGv t0;
2903     TCGv_i32 t1, t2, t3;
2904 
2905     if (ctx->le_mode) {
2906         gen_align_no_le(ctx);
2907         return;
2908     }
2909     gen_set_access_type(ctx, ACCESS_INT);
2910     t0 = tcg_temp_new();
2911     gen_addr_reg_index(ctx, t0);
2912     t1 = tcg_const_i32(rD(ctx->opcode));
2913     t2 = tcg_const_i32(rA(ctx->opcode));
2914     t3 = tcg_const_i32(rB(ctx->opcode));
2915     gen_helper_lswx(cpu_env, t0, t1, t2, t3);
2916     tcg_temp_free(t0);
2917     tcg_temp_free_i32(t1);
2918     tcg_temp_free_i32(t2);
2919     tcg_temp_free_i32(t3);
2920 }
2921 
2922 /* stswi */
2923 static void gen_stswi(DisasContext *ctx)
2924 {
2925     TCGv t0;
2926     TCGv_i32 t1, t2;
2927     int nb = NB(ctx->opcode);
2928 
2929     if (ctx->le_mode) {
2930         gen_align_no_le(ctx);
2931         return;
2932     }
2933     gen_set_access_type(ctx, ACCESS_INT);
2934     t0 = tcg_temp_new();
2935     gen_addr_register(ctx, t0);
2936     if (nb == 0)
2937         nb = 32;
2938     t1 = tcg_const_i32(nb);
2939     t2 = tcg_const_i32(rS(ctx->opcode));
2940     gen_helper_stsw(cpu_env, t0, t1, t2);
2941     tcg_temp_free(t0);
2942     tcg_temp_free_i32(t1);
2943     tcg_temp_free_i32(t2);
2944 }
2945 
2946 /* stswx */
2947 static void gen_stswx(DisasContext *ctx)
2948 {
2949     TCGv t0;
2950     TCGv_i32 t1, t2;
2951 
2952     if (ctx->le_mode) {
2953         gen_align_no_le(ctx);
2954         return;
2955     }
2956     gen_set_access_type(ctx, ACCESS_INT);
2957     t0 = tcg_temp_new();
2958     gen_addr_reg_index(ctx, t0);
2959     t1 = tcg_temp_new_i32();
2960     tcg_gen_trunc_tl_i32(t1, cpu_xer);
2961     tcg_gen_andi_i32(t1, t1, 0x7F);
2962     t2 = tcg_const_i32(rS(ctx->opcode));
2963     gen_helper_stsw(cpu_env, t0, t1, t2);
2964     tcg_temp_free(t0);
2965     tcg_temp_free_i32(t1);
2966     tcg_temp_free_i32(t2);
2967 }
2968 
2969 /***                        Memory synchronisation                         ***/
2970 /* eieio */
2971 static void gen_eieio(DisasContext *ctx)
2972 {
2973     tcg_gen_mb(TCG_MO_LD_ST | TCG_BAR_SC);
2974 }
2975 
2976 #if !defined(CONFIG_USER_ONLY)
2977 static inline void gen_check_tlb_flush(DisasContext *ctx, bool global)
2978 {
2979     TCGv_i32 t;
2980     TCGLabel *l;
2981 
2982     if (!ctx->lazy_tlb_flush) {
2983         return;
2984     }
2985     l = gen_new_label();
2986     t = tcg_temp_new_i32();
2987     tcg_gen_ld_i32(t, cpu_env, offsetof(CPUPPCState, tlb_need_flush));
2988     tcg_gen_brcondi_i32(TCG_COND_EQ, t, 0, l);
2989     if (global) {
2990         gen_helper_check_tlb_flush_global(cpu_env);
2991     } else {
2992         gen_helper_check_tlb_flush_local(cpu_env);
2993     }
2994     gen_set_label(l);
2995     tcg_temp_free_i32(t);
2996 }
2997 #else
2998 static inline void gen_check_tlb_flush(DisasContext *ctx, bool global) { }
2999 #endif
3000 
3001 /* isync */
3002 static void gen_isync(DisasContext *ctx)
3003 {
3004     /*
3005      * We need to check for a pending TLB flush. This can only happen in
3006      * kernel mode however so check MSR_PR
3007      */
3008     if (!ctx->pr) {
3009         gen_check_tlb_flush(ctx, false);
3010     }
3011     tcg_gen_mb(TCG_MO_ALL | TCG_BAR_SC);
3012     gen_stop_exception(ctx);
3013 }
3014 
3015 #define MEMOP_GET_SIZE(x)  (1 << ((x) & MO_SIZE))
3016 
3017 #define LARX(name, memop)                                            \
3018 static void gen_##name(DisasContext *ctx)                            \
3019 {                                                                    \
3020     TCGv t0;                                                         \
3021     TCGv gpr = cpu_gpr[rD(ctx->opcode)];                             \
3022     int len = MEMOP_GET_SIZE(memop);                                 \
3023     gen_set_access_type(ctx, ACCESS_RES);                            \
3024     t0 = tcg_temp_local_new();                                       \
3025     gen_addr_reg_index(ctx, t0);                                     \
3026     if ((len) > 1) {                                                 \
3027         gen_check_align(ctx, t0, (len)-1);                           \
3028     }                                                                \
3029     tcg_gen_qemu_ld_tl(gpr, t0, ctx->mem_idx, memop);                \
3030     tcg_gen_mov_tl(cpu_reserve, t0);                                 \
3031     tcg_gen_mov_tl(cpu_reserve_val, gpr);                            \
3032     tcg_gen_mb(TCG_MO_ALL | TCG_BAR_LDAQ);                           \
3033     tcg_temp_free(t0);                                               \
3034 }
3035 
3036 /* lwarx */
3037 LARX(lbarx, DEF_MEMOP(MO_UB))
3038 LARX(lharx, DEF_MEMOP(MO_UW))
3039 LARX(lwarx, DEF_MEMOP(MO_UL))
3040 
3041 #define LD_ATOMIC(name, memop, tp, op, eop)                             \
3042 static void gen_##name(DisasContext *ctx)                               \
3043 {                                                                       \
3044     int len = MEMOP_GET_SIZE(memop);                                    \
3045     uint32_t gpr_FC = FC(ctx->opcode);                                  \
3046     TCGv EA = tcg_temp_local_new();                                     \
3047     TCGv_##tp t0, t1;                                                   \
3048                                                                         \
3049     gen_addr_register(ctx, EA);                                         \
3050     if (len > 1) {                                                      \
3051         gen_check_align(ctx, EA, len - 1);                              \
3052     }                                                                   \
3053     t0 = tcg_temp_new_##tp();                                           \
3054     t1 = tcg_temp_new_##tp();                                           \
3055     tcg_gen_##op(t0, cpu_gpr[rD(ctx->opcode) + 1]);                     \
3056                                                                         \
3057     switch (gpr_FC) {                                                   \
3058     case 0: /* Fetch and add */                                         \
3059         tcg_gen_atomic_fetch_add_##tp(t1, EA, t0, ctx->mem_idx, memop); \
3060         break;                                                          \
3061     case 1: /* Fetch and xor */                                         \
3062         tcg_gen_atomic_fetch_xor_##tp(t1, EA, t0, ctx->mem_idx, memop); \
3063         break;                                                          \
3064     case 2: /* Fetch and or */                                          \
3065         tcg_gen_atomic_fetch_or_##tp(t1, EA, t0, ctx->mem_idx, memop);  \
3066         break;                                                          \
3067     case 3: /* Fetch and 'and' */                                       \
3068         tcg_gen_atomic_fetch_and_##tp(t1, EA, t0, ctx->mem_idx, memop); \
3069         break;                                                          \
3070     case 8: /* Swap */                                                  \
3071         tcg_gen_atomic_xchg_##tp(t1, EA, t0, ctx->mem_idx, memop);      \
3072         break;                                                          \
3073     case 4:  /* Fetch and max unsigned */                               \
3074     case 5:  /* Fetch and max signed */                                 \
3075     case 6:  /* Fetch and min unsigned */                               \
3076     case 7:  /* Fetch and min signed */                                 \
3077     case 16: /* compare and swap not equal */                           \
3078     case 24: /* Fetch and increment bounded */                          \
3079     case 25: /* Fetch and increment equal */                            \
3080     case 28: /* Fetch and decrement bounded */                          \
3081         gen_invalid(ctx);                                               \
3082         break;                                                          \
3083     default:                                                            \
3084         /* invoke data storage error handler */                         \
3085         gen_exception_err(ctx, POWERPC_EXCP_DSI, POWERPC_EXCP_INVAL);   \
3086     }                                                                   \
3087     tcg_gen_##eop(cpu_gpr[rD(ctx->opcode)], t1);                        \
3088     tcg_temp_free_##tp(t0);                                             \
3089     tcg_temp_free_##tp(t1);                                             \
3090     tcg_temp_free(EA);                                                  \
3091 }
3092 
3093 LD_ATOMIC(lwat, DEF_MEMOP(MO_UL), i32, trunc_tl_i32, extu_i32_tl)
3094 #if defined(TARGET_PPC64)
3095 LD_ATOMIC(ldat, DEF_MEMOP(MO_Q), i64, mov_i64, mov_i64)
3096 #endif
3097 
3098 #define ST_ATOMIC(name, memop, tp, op)                                  \
3099 static void gen_##name(DisasContext *ctx)                               \
3100 {                                                                       \
3101     int len = MEMOP_GET_SIZE(memop);                                    \
3102     uint32_t gpr_FC = FC(ctx->opcode);                                  \
3103     TCGv EA = tcg_temp_local_new();                                     \
3104     TCGv_##tp t0, t1;                                                   \
3105                                                                         \
3106     gen_addr_register(ctx, EA);                                         \
3107     if (len > 1) {                                                      \
3108         gen_check_align(ctx, EA, len - 1);                              \
3109     }                                                                   \
3110     t0 = tcg_temp_new_##tp();                                           \
3111     t1 = tcg_temp_new_##tp();                                           \
3112     tcg_gen_##op(t0, cpu_gpr[rD(ctx->opcode) + 1]);                     \
3113                                                                         \
3114     switch (gpr_FC) {                                                   \
3115     case 0: /* add and Store */                                         \
3116         tcg_gen_atomic_add_fetch_##tp(t1, EA, t0, ctx->mem_idx, memop); \
3117         break;                                                          \
3118     case 1: /* xor and Store */                                         \
3119         tcg_gen_atomic_xor_fetch_##tp(t1, EA, t0, ctx->mem_idx, memop); \
3120         break;                                                          \
3121     case 2: /* Or and Store */                                          \
3122         tcg_gen_atomic_or_fetch_##tp(t1, EA, t0, ctx->mem_idx, memop);  \
3123         break;                                                          \
3124     case 3: /* 'and' and Store */                                       \
3125         tcg_gen_atomic_and_fetch_##tp(t1, EA, t0, ctx->mem_idx, memop); \
3126         break;                                                          \
3127     case 4:  /* Store max unsigned */                                   \
3128     case 5:  /* Store max signed */                                     \
3129     case 6:  /* Store min unsigned */                                   \
3130     case 7:  /* Store min signed */                                     \
3131     case 24: /* Store twin  */                                          \
3132         gen_invalid(ctx);                                               \
3133         break;                                                          \
3134     default:                                                            \
3135         /* invoke data storage error handler */                         \
3136         gen_exception_err(ctx, POWERPC_EXCP_DSI, POWERPC_EXCP_INVAL);   \
3137     }                                                                   \
3138     tcg_temp_free_##tp(t0);                                             \
3139     tcg_temp_free_##tp(t1);                                             \
3140     tcg_temp_free(EA);                                                  \
3141 }
3142 
3143 ST_ATOMIC(stwat, DEF_MEMOP(MO_UL), i32, trunc_tl_i32)
3144 #if defined(TARGET_PPC64)
3145 ST_ATOMIC(stdat, DEF_MEMOP(MO_Q), i64, mov_i64)
3146 #endif
3147 
3148 #if defined(CONFIG_USER_ONLY)
3149 static void gen_conditional_store(DisasContext *ctx, TCGv EA,
3150                                   int reg, int memop)
3151 {
3152     TCGv t0 = tcg_temp_new();
3153 
3154     tcg_gen_st_tl(EA, cpu_env, offsetof(CPUPPCState, reserve_ea));
3155     tcg_gen_movi_tl(t0, (MEMOP_GET_SIZE(memop) << 5) | reg);
3156     tcg_gen_st_tl(t0, cpu_env, offsetof(CPUPPCState, reserve_info));
3157     tcg_temp_free(t0);
3158     gen_exception_err(ctx, POWERPC_EXCP_STCX, 0);
3159 }
3160 #else
3161 static void gen_conditional_store(DisasContext *ctx, TCGv EA,
3162                                   int reg, int memop)
3163 {
3164     TCGLabel *l1 = gen_new_label();
3165     TCGLabel *l2 = gen_new_label();
3166     TCGv t0;
3167 
3168     tcg_gen_brcond_tl(TCG_COND_NE, EA, cpu_reserve, l1);
3169 
3170     t0 = tcg_temp_new();
3171     tcg_gen_atomic_cmpxchg_tl(t0, cpu_reserve, cpu_reserve_val,
3172                               cpu_gpr[reg], ctx->mem_idx,
3173                               DEF_MEMOP(memop) | MO_ALIGN);
3174     tcg_gen_setcond_tl(TCG_COND_EQ, t0, t0, cpu_reserve_val);
3175     tcg_gen_shli_tl(t0, t0, CRF_EQ_BIT);
3176     tcg_gen_or_tl(t0, t0, cpu_so);
3177     tcg_gen_trunc_tl_i32(cpu_crf[0], t0);
3178     tcg_temp_free(t0);
3179     tcg_gen_br(l2);
3180 
3181     gen_set_label(l1);
3182 
3183     /* Address mismatch implies failure.  But we still need to provide the
3184        memory barrier semantics of the instruction.  */
3185     tcg_gen_mb(TCG_MO_ALL | TCG_BAR_STRL);
3186     tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so);
3187 
3188     gen_set_label(l2);
3189     tcg_gen_movi_tl(cpu_reserve, -1);
3190 }
3191 #endif
3192 
3193 #define STCX(name, memop)                                   \
3194 static void gen_##name(DisasContext *ctx)                   \
3195 {                                                           \
3196     TCGv t0;                                                \
3197     int len = MEMOP_GET_SIZE(memop);                        \
3198     gen_set_access_type(ctx, ACCESS_RES);                   \
3199     t0 = tcg_temp_local_new();                              \
3200     gen_addr_reg_index(ctx, t0);                            \
3201     if (len > 1) {                                          \
3202         gen_check_align(ctx, t0, (len) - 1);                \
3203     }                                                       \
3204     gen_conditional_store(ctx, t0, rS(ctx->opcode), memop); \
3205     tcg_temp_free(t0);                                      \
3206 }
3207 
3208 STCX(stbcx_, DEF_MEMOP(MO_UB))
3209 STCX(sthcx_, DEF_MEMOP(MO_UW))
3210 STCX(stwcx_, DEF_MEMOP(MO_UL))
3211 
3212 #if defined(TARGET_PPC64)
3213 /* ldarx */
3214 LARX(ldarx, DEF_MEMOP(MO_Q))
3215 /* stdcx. */
3216 STCX(stdcx_, DEF_MEMOP(MO_Q))
3217 
3218 /* lqarx */
3219 static void gen_lqarx(DisasContext *ctx)
3220 {
3221     TCGv EA;
3222     int rd = rD(ctx->opcode);
3223     TCGv gpr1, gpr2;
3224 
3225     if (unlikely((rd & 1) || (rd == rA(ctx->opcode)) ||
3226                  (rd == rB(ctx->opcode)))) {
3227         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
3228         return;
3229     }
3230 
3231     gen_set_access_type(ctx, ACCESS_RES);
3232     EA = tcg_temp_local_new();
3233     gen_addr_reg_index(ctx, EA);
3234     gen_check_align(ctx, EA, 15);
3235     if (unlikely(ctx->le_mode)) {
3236         gpr1 = cpu_gpr[rd+1];
3237         gpr2 = cpu_gpr[rd];
3238     } else {
3239         gpr1 = cpu_gpr[rd];
3240         gpr2 = cpu_gpr[rd+1];
3241     }
3242     tcg_gen_qemu_ld_i64(gpr1, EA, ctx->mem_idx, DEF_MEMOP(MO_Q));
3243     tcg_gen_mov_tl(cpu_reserve, EA);
3244     gen_addr_add(ctx, EA, EA, 8);
3245     tcg_gen_qemu_ld_i64(gpr2, EA, ctx->mem_idx, DEF_MEMOP(MO_Q));
3246 
3247     tcg_gen_st_tl(gpr1, cpu_env, offsetof(CPUPPCState, reserve_val));
3248     tcg_gen_st_tl(gpr2, cpu_env, offsetof(CPUPPCState, reserve_val2));
3249     tcg_temp_free(EA);
3250 }
3251 
3252 /* stqcx. */
3253 static void gen_stqcx_(DisasContext *ctx)
3254 {
3255     TCGv EA;
3256     int reg = rS(ctx->opcode);
3257     int len = 16;
3258 #if !defined(CONFIG_USER_ONLY)
3259     TCGLabel *l1;
3260     TCGv gpr1, gpr2;
3261 #endif
3262 
3263     if (unlikely((rD(ctx->opcode) & 1))) {
3264         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
3265         return;
3266     }
3267     gen_set_access_type(ctx, ACCESS_RES);
3268     EA = tcg_temp_local_new();
3269     gen_addr_reg_index(ctx, EA);
3270     if (len > 1) {
3271         gen_check_align(ctx, EA, (len) - 1);
3272     }
3273 
3274 #if defined(CONFIG_USER_ONLY)
3275     gen_conditional_store(ctx, EA, reg, 16);
3276 #else
3277     tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so);
3278     l1 = gen_new_label();
3279     tcg_gen_brcond_tl(TCG_COND_NE, EA, cpu_reserve, l1);
3280     tcg_gen_ori_i32(cpu_crf[0], cpu_crf[0], CRF_EQ);
3281 
3282     if (unlikely(ctx->le_mode)) {
3283         gpr1 = cpu_gpr[reg + 1];
3284         gpr2 = cpu_gpr[reg];
3285     } else {
3286         gpr1 = cpu_gpr[reg];
3287         gpr2 = cpu_gpr[reg + 1];
3288     }
3289     tcg_gen_qemu_st_tl(gpr1, EA, ctx->mem_idx, DEF_MEMOP(MO_Q));
3290     gen_addr_add(ctx, EA, EA, 8);
3291     tcg_gen_qemu_st_tl(gpr2, EA, ctx->mem_idx, DEF_MEMOP(MO_Q));
3292 
3293     gen_set_label(l1);
3294     tcg_gen_movi_tl(cpu_reserve, -1);
3295 #endif
3296     tcg_temp_free(EA);
3297 }
3298 
3299 #endif /* defined(TARGET_PPC64) */
3300 
3301 /* sync */
3302 static void gen_sync(DisasContext *ctx)
3303 {
3304     uint32_t l = (ctx->opcode >> 21) & 3;
3305 
3306     /*
3307      * We may need to check for a pending TLB flush.
3308      *
3309      * We do this on ptesync (l == 2) on ppc64 and any sync pn ppc32.
3310      *
3311      * Additionally, this can only happen in kernel mode however so
3312      * check MSR_PR as well.
3313      */
3314     if (((l == 2) || !(ctx->insns_flags & PPC_64B)) && !ctx->pr) {
3315         gen_check_tlb_flush(ctx, true);
3316     }
3317     tcg_gen_mb(TCG_MO_ALL | TCG_BAR_SC);
3318 }
3319 
3320 /* wait */
3321 static void gen_wait(DisasContext *ctx)
3322 {
3323     TCGv_i32 t0 = tcg_const_i32(1);
3324     tcg_gen_st_i32(t0, cpu_env,
3325                    -offsetof(PowerPCCPU, env) + offsetof(CPUState, halted));
3326     tcg_temp_free_i32(t0);
3327     /* Stop translation, as the CPU is supposed to sleep from now */
3328     gen_exception_nip(ctx, EXCP_HLT, ctx->nip);
3329 }
3330 
3331 #if defined(TARGET_PPC64)
3332 static void gen_doze(DisasContext *ctx)
3333 {
3334 #if defined(CONFIG_USER_ONLY)
3335     GEN_PRIV;
3336 #else
3337     TCGv_i32 t;
3338 
3339     CHK_HV;
3340     t = tcg_const_i32(PPC_PM_DOZE);
3341     gen_helper_pminsn(cpu_env, t);
3342     tcg_temp_free_i32(t);
3343     gen_stop_exception(ctx);
3344 #endif /* defined(CONFIG_USER_ONLY) */
3345 }
3346 
3347 static void gen_nap(DisasContext *ctx)
3348 {
3349 #if defined(CONFIG_USER_ONLY)
3350     GEN_PRIV;
3351 #else
3352     TCGv_i32 t;
3353 
3354     CHK_HV;
3355     t = tcg_const_i32(PPC_PM_NAP);
3356     gen_helper_pminsn(cpu_env, t);
3357     tcg_temp_free_i32(t);
3358     gen_stop_exception(ctx);
3359 #endif /* defined(CONFIG_USER_ONLY) */
3360 }
3361 
3362 static void gen_stop(DisasContext *ctx)
3363 {
3364     gen_nap(ctx);
3365 }
3366 
3367 static void gen_sleep(DisasContext *ctx)
3368 {
3369 #if defined(CONFIG_USER_ONLY)
3370     GEN_PRIV;
3371 #else
3372     TCGv_i32 t;
3373 
3374     CHK_HV;
3375     t = tcg_const_i32(PPC_PM_SLEEP);
3376     gen_helper_pminsn(cpu_env, t);
3377     tcg_temp_free_i32(t);
3378     gen_stop_exception(ctx);
3379 #endif /* defined(CONFIG_USER_ONLY) */
3380 }
3381 
3382 static void gen_rvwinkle(DisasContext *ctx)
3383 {
3384 #if defined(CONFIG_USER_ONLY)
3385     GEN_PRIV;
3386 #else
3387     TCGv_i32 t;
3388 
3389     CHK_HV;
3390     t = tcg_const_i32(PPC_PM_RVWINKLE);
3391     gen_helper_pminsn(cpu_env, t);
3392     tcg_temp_free_i32(t);
3393     gen_stop_exception(ctx);
3394 #endif /* defined(CONFIG_USER_ONLY) */
3395 }
3396 #endif /* #if defined(TARGET_PPC64) */
3397 
3398 static inline void gen_update_cfar(DisasContext *ctx, target_ulong nip)
3399 {
3400 #if defined(TARGET_PPC64)
3401     if (ctx->has_cfar)
3402         tcg_gen_movi_tl(cpu_cfar, nip);
3403 #endif
3404 }
3405 
3406 static inline bool use_goto_tb(DisasContext *ctx, target_ulong dest)
3407 {
3408     if (unlikely(ctx->singlestep_enabled)) {
3409         return false;
3410     }
3411 
3412 #ifndef CONFIG_USER_ONLY
3413     return (ctx->tb->pc & TARGET_PAGE_MASK) == (dest & TARGET_PAGE_MASK);
3414 #else
3415     return true;
3416 #endif
3417 }
3418 
3419 /***                                Branch                                 ***/
3420 static inline void gen_goto_tb(DisasContext *ctx, int n, target_ulong dest)
3421 {
3422     if (NARROW_MODE(ctx)) {
3423         dest = (uint32_t) dest;
3424     }
3425     if (use_goto_tb(ctx, dest)) {
3426         tcg_gen_goto_tb(n);
3427         tcg_gen_movi_tl(cpu_nip, dest & ~3);
3428         tcg_gen_exit_tb((uintptr_t)ctx->tb + n);
3429     } else {
3430         tcg_gen_movi_tl(cpu_nip, dest & ~3);
3431         if (unlikely(ctx->singlestep_enabled)) {
3432             if ((ctx->singlestep_enabled &
3433                 (CPU_BRANCH_STEP | CPU_SINGLE_STEP)) &&
3434                 (ctx->exception == POWERPC_EXCP_BRANCH ||
3435                  ctx->exception == POWERPC_EXCP_TRACE)) {
3436                 gen_exception_nip(ctx, POWERPC_EXCP_TRACE, dest);
3437             }
3438             if (ctx->singlestep_enabled & GDBSTUB_SINGLE_STEP) {
3439                 gen_debug_exception(ctx);
3440             }
3441         }
3442         tcg_gen_exit_tb(0);
3443     }
3444 }
3445 
3446 static inline void gen_setlr(DisasContext *ctx, target_ulong nip)
3447 {
3448     if (NARROW_MODE(ctx)) {
3449         nip = (uint32_t)nip;
3450     }
3451     tcg_gen_movi_tl(cpu_lr, nip);
3452 }
3453 
3454 /* b ba bl bla */
3455 static void gen_b(DisasContext *ctx)
3456 {
3457     target_ulong li, target;
3458 
3459     ctx->exception = POWERPC_EXCP_BRANCH;
3460     /* sign extend LI */
3461     li = LI(ctx->opcode);
3462     li = (li ^ 0x02000000) - 0x02000000;
3463     if (likely(AA(ctx->opcode) == 0)) {
3464         target = ctx->nip + li - 4;
3465     } else {
3466         target = li;
3467     }
3468     if (LK(ctx->opcode)) {
3469         gen_setlr(ctx, ctx->nip);
3470     }
3471     gen_update_cfar(ctx, ctx->nip - 4);
3472     gen_goto_tb(ctx, 0, target);
3473 }
3474 
3475 #define BCOND_IM  0
3476 #define BCOND_LR  1
3477 #define BCOND_CTR 2
3478 #define BCOND_TAR 3
3479 
3480 static inline void gen_bcond(DisasContext *ctx, int type)
3481 {
3482     uint32_t bo = BO(ctx->opcode);
3483     TCGLabel *l1;
3484     TCGv target;
3485 
3486     ctx->exception = POWERPC_EXCP_BRANCH;
3487     if (type == BCOND_LR || type == BCOND_CTR || type == BCOND_TAR) {
3488         target = tcg_temp_local_new();
3489         if (type == BCOND_CTR)
3490             tcg_gen_mov_tl(target, cpu_ctr);
3491         else if (type == BCOND_TAR)
3492             gen_load_spr(target, SPR_TAR);
3493         else
3494             tcg_gen_mov_tl(target, cpu_lr);
3495     } else {
3496         TCGV_UNUSED(target);
3497     }
3498     if (LK(ctx->opcode))
3499         gen_setlr(ctx, ctx->nip);
3500     l1 = gen_new_label();
3501     if ((bo & 0x4) == 0) {
3502         /* Decrement and test CTR */
3503         TCGv temp = tcg_temp_new();
3504         if (unlikely(type == BCOND_CTR)) {
3505             gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
3506             return;
3507         }
3508         tcg_gen_subi_tl(cpu_ctr, cpu_ctr, 1);
3509         if (NARROW_MODE(ctx)) {
3510             tcg_gen_ext32u_tl(temp, cpu_ctr);
3511         } else {
3512             tcg_gen_mov_tl(temp, cpu_ctr);
3513         }
3514         if (bo & 0x2) {
3515             tcg_gen_brcondi_tl(TCG_COND_NE, temp, 0, l1);
3516         } else {
3517             tcg_gen_brcondi_tl(TCG_COND_EQ, temp, 0, l1);
3518         }
3519         tcg_temp_free(temp);
3520     }
3521     if ((bo & 0x10) == 0) {
3522         /* Test CR */
3523         uint32_t bi = BI(ctx->opcode);
3524         uint32_t mask = 0x08 >> (bi & 0x03);
3525         TCGv_i32 temp = tcg_temp_new_i32();
3526 
3527         if (bo & 0x8) {
3528             tcg_gen_andi_i32(temp, cpu_crf[bi >> 2], mask);
3529             tcg_gen_brcondi_i32(TCG_COND_EQ, temp, 0, l1);
3530         } else {
3531             tcg_gen_andi_i32(temp, cpu_crf[bi >> 2], mask);
3532             tcg_gen_brcondi_i32(TCG_COND_NE, temp, 0, l1);
3533         }
3534         tcg_temp_free_i32(temp);
3535     }
3536     gen_update_cfar(ctx, ctx->nip - 4);
3537     if (type == BCOND_IM) {
3538         target_ulong li = (target_long)((int16_t)(BD(ctx->opcode)));
3539         if (likely(AA(ctx->opcode) == 0)) {
3540             gen_goto_tb(ctx, 0, ctx->nip + li - 4);
3541         } else {
3542             gen_goto_tb(ctx, 0, li);
3543         }
3544         if ((bo & 0x14) != 0x14) {
3545             gen_set_label(l1);
3546             gen_goto_tb(ctx, 1, ctx->nip);
3547         }
3548     } else {
3549         if (NARROW_MODE(ctx)) {
3550             tcg_gen_andi_tl(cpu_nip, target, (uint32_t)~3);
3551         } else {
3552             tcg_gen_andi_tl(cpu_nip, target, ~3);
3553         }
3554         tcg_gen_exit_tb(0);
3555         if ((bo & 0x14) != 0x14) {
3556             gen_set_label(l1);
3557             gen_update_nip(ctx, ctx->nip);
3558             tcg_gen_exit_tb(0);
3559         }
3560     }
3561     if (type == BCOND_LR || type == BCOND_CTR || type == BCOND_TAR) {
3562         tcg_temp_free(target);
3563     }
3564 }
3565 
3566 static void gen_bc(DisasContext *ctx)
3567 {
3568     gen_bcond(ctx, BCOND_IM);
3569 }
3570 
3571 static void gen_bcctr(DisasContext *ctx)
3572 {
3573     gen_bcond(ctx, BCOND_CTR);
3574 }
3575 
3576 static void gen_bclr(DisasContext *ctx)
3577 {
3578     gen_bcond(ctx, BCOND_LR);
3579 }
3580 
3581 static void gen_bctar(DisasContext *ctx)
3582 {
3583     gen_bcond(ctx, BCOND_TAR);
3584 }
3585 
3586 /***                      Condition register logical                       ***/
3587 #define GEN_CRLOGIC(name, tcg_op, opc)                                        \
3588 static void glue(gen_, name)(DisasContext *ctx)                                       \
3589 {                                                                             \
3590     uint8_t bitmask;                                                          \
3591     int sh;                                                                   \
3592     TCGv_i32 t0, t1;                                                          \
3593     sh = (crbD(ctx->opcode) & 0x03) - (crbA(ctx->opcode) & 0x03);             \
3594     t0 = tcg_temp_new_i32();                                                  \
3595     if (sh > 0)                                                               \
3596         tcg_gen_shri_i32(t0, cpu_crf[crbA(ctx->opcode) >> 2], sh);            \
3597     else if (sh < 0)                                                          \
3598         tcg_gen_shli_i32(t0, cpu_crf[crbA(ctx->opcode) >> 2], -sh);           \
3599     else                                                                      \
3600         tcg_gen_mov_i32(t0, cpu_crf[crbA(ctx->opcode) >> 2]);                 \
3601     t1 = tcg_temp_new_i32();                                                  \
3602     sh = (crbD(ctx->opcode) & 0x03) - (crbB(ctx->opcode) & 0x03);             \
3603     if (sh > 0)                                                               \
3604         tcg_gen_shri_i32(t1, cpu_crf[crbB(ctx->opcode) >> 2], sh);            \
3605     else if (sh < 0)                                                          \
3606         tcg_gen_shli_i32(t1, cpu_crf[crbB(ctx->opcode) >> 2], -sh);           \
3607     else                                                                      \
3608         tcg_gen_mov_i32(t1, cpu_crf[crbB(ctx->opcode) >> 2]);                 \
3609     tcg_op(t0, t0, t1);                                                       \
3610     bitmask = 0x08 >> (crbD(ctx->opcode) & 0x03);                             \
3611     tcg_gen_andi_i32(t0, t0, bitmask);                                        \
3612     tcg_gen_andi_i32(t1, cpu_crf[crbD(ctx->opcode) >> 2], ~bitmask);          \
3613     tcg_gen_or_i32(cpu_crf[crbD(ctx->opcode) >> 2], t0, t1);                  \
3614     tcg_temp_free_i32(t0);                                                    \
3615     tcg_temp_free_i32(t1);                                                    \
3616 }
3617 
3618 /* crand */
3619 GEN_CRLOGIC(crand, tcg_gen_and_i32, 0x08);
3620 /* crandc */
3621 GEN_CRLOGIC(crandc, tcg_gen_andc_i32, 0x04);
3622 /* creqv */
3623 GEN_CRLOGIC(creqv, tcg_gen_eqv_i32, 0x09);
3624 /* crnand */
3625 GEN_CRLOGIC(crnand, tcg_gen_nand_i32, 0x07);
3626 /* crnor */
3627 GEN_CRLOGIC(crnor, tcg_gen_nor_i32, 0x01);
3628 /* cror */
3629 GEN_CRLOGIC(cror, tcg_gen_or_i32, 0x0E);
3630 /* crorc */
3631 GEN_CRLOGIC(crorc, tcg_gen_orc_i32, 0x0D);
3632 /* crxor */
3633 GEN_CRLOGIC(crxor, tcg_gen_xor_i32, 0x06);
3634 
3635 /* mcrf */
3636 static void gen_mcrf(DisasContext *ctx)
3637 {
3638     tcg_gen_mov_i32(cpu_crf[crfD(ctx->opcode)], cpu_crf[crfS(ctx->opcode)]);
3639 }
3640 
3641 /***                           System linkage                              ***/
3642 
3643 /* rfi (supervisor only) */
3644 static void gen_rfi(DisasContext *ctx)
3645 {
3646 #if defined(CONFIG_USER_ONLY)
3647     GEN_PRIV;
3648 #else
3649     /* This instruction doesn't exist anymore on 64-bit server
3650      * processors compliant with arch 2.x
3651      */
3652     if (ctx->insns_flags & PPC_SEGMENT_64B) {
3653         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
3654         return;
3655     }
3656     /* Restore CPU state */
3657     CHK_SV;
3658     gen_update_cfar(ctx, ctx->nip - 4);
3659     gen_helper_rfi(cpu_env);
3660     gen_sync_exception(ctx);
3661 #endif
3662 }
3663 
3664 #if defined(TARGET_PPC64)
3665 static void gen_rfid(DisasContext *ctx)
3666 {
3667 #if defined(CONFIG_USER_ONLY)
3668     GEN_PRIV;
3669 #else
3670     /* Restore CPU state */
3671     CHK_SV;
3672     gen_update_cfar(ctx, ctx->nip - 4);
3673     gen_helper_rfid(cpu_env);
3674     gen_sync_exception(ctx);
3675 #endif
3676 }
3677 
3678 static void gen_hrfid(DisasContext *ctx)
3679 {
3680 #if defined(CONFIG_USER_ONLY)
3681     GEN_PRIV;
3682 #else
3683     /* Restore CPU state */
3684     CHK_HV;
3685     gen_helper_hrfid(cpu_env);
3686     gen_sync_exception(ctx);
3687 #endif
3688 }
3689 #endif
3690 
3691 /* sc */
3692 #if defined(CONFIG_USER_ONLY)
3693 #define POWERPC_SYSCALL POWERPC_EXCP_SYSCALL_USER
3694 #else
3695 #define POWERPC_SYSCALL POWERPC_EXCP_SYSCALL
3696 #endif
3697 static void gen_sc(DisasContext *ctx)
3698 {
3699     uint32_t lev;
3700 
3701     lev = (ctx->opcode >> 5) & 0x7F;
3702     gen_exception_err(ctx, POWERPC_SYSCALL, lev);
3703 }
3704 
3705 /***                                Trap                                   ***/
3706 
3707 /* Check for unconditional traps (always or never) */
3708 static bool check_unconditional_trap(DisasContext *ctx)
3709 {
3710     /* Trap never */
3711     if (TO(ctx->opcode) == 0) {
3712         return true;
3713     }
3714     /* Trap always */
3715     if (TO(ctx->opcode) == 31) {
3716         gen_exception_err(ctx, POWERPC_EXCP_PROGRAM, POWERPC_EXCP_TRAP);
3717         return true;
3718     }
3719     return false;
3720 }
3721 
3722 /* tw */
3723 static void gen_tw(DisasContext *ctx)
3724 {
3725     TCGv_i32 t0;
3726 
3727     if (check_unconditional_trap(ctx)) {
3728         return;
3729     }
3730     t0 = tcg_const_i32(TO(ctx->opcode));
3731     gen_helper_tw(cpu_env, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],
3732                   t0);
3733     tcg_temp_free_i32(t0);
3734 }
3735 
3736 /* twi */
3737 static void gen_twi(DisasContext *ctx)
3738 {
3739     TCGv t0;
3740     TCGv_i32 t1;
3741 
3742     if (check_unconditional_trap(ctx)) {
3743         return;
3744     }
3745     t0 = tcg_const_tl(SIMM(ctx->opcode));
3746     t1 = tcg_const_i32(TO(ctx->opcode));
3747     gen_helper_tw(cpu_env, cpu_gpr[rA(ctx->opcode)], t0, t1);
3748     tcg_temp_free(t0);
3749     tcg_temp_free_i32(t1);
3750 }
3751 
3752 #if defined(TARGET_PPC64)
3753 /* td */
3754 static void gen_td(DisasContext *ctx)
3755 {
3756     TCGv_i32 t0;
3757 
3758     if (check_unconditional_trap(ctx)) {
3759         return;
3760     }
3761     t0 = tcg_const_i32(TO(ctx->opcode));
3762     gen_helper_td(cpu_env, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],
3763                   t0);
3764     tcg_temp_free_i32(t0);
3765 }
3766 
3767 /* tdi */
3768 static void gen_tdi(DisasContext *ctx)
3769 {
3770     TCGv t0;
3771     TCGv_i32 t1;
3772 
3773     if (check_unconditional_trap(ctx)) {
3774         return;
3775     }
3776     t0 = tcg_const_tl(SIMM(ctx->opcode));
3777     t1 = tcg_const_i32(TO(ctx->opcode));
3778     gen_helper_td(cpu_env, cpu_gpr[rA(ctx->opcode)], t0, t1);
3779     tcg_temp_free(t0);
3780     tcg_temp_free_i32(t1);
3781 }
3782 #endif
3783 
3784 /***                          Processor control                            ***/
3785 
3786 static void gen_read_xer(DisasContext *ctx, TCGv dst)
3787 {
3788     TCGv t0 = tcg_temp_new();
3789     TCGv t1 = tcg_temp_new();
3790     TCGv t2 = tcg_temp_new();
3791     tcg_gen_mov_tl(dst, cpu_xer);
3792     tcg_gen_shli_tl(t0, cpu_so, XER_SO);
3793     tcg_gen_shli_tl(t1, cpu_ov, XER_OV);
3794     tcg_gen_shli_tl(t2, cpu_ca, XER_CA);
3795     tcg_gen_or_tl(t0, t0, t1);
3796     tcg_gen_or_tl(dst, dst, t2);
3797     tcg_gen_or_tl(dst, dst, t0);
3798     if (is_isa300(ctx)) {
3799         tcg_gen_shli_tl(t0, cpu_ov32, XER_OV32);
3800         tcg_gen_or_tl(dst, dst, t0);
3801         tcg_gen_shli_tl(t0, cpu_ca32, XER_CA32);
3802         tcg_gen_or_tl(dst, dst, t0);
3803     }
3804     tcg_temp_free(t0);
3805     tcg_temp_free(t1);
3806     tcg_temp_free(t2);
3807 }
3808 
3809 static void gen_write_xer(TCGv src)
3810 {
3811     /* Write all flags, while reading back check for isa300 */
3812     tcg_gen_andi_tl(cpu_xer, src,
3813                     ~((1u << XER_SO) |
3814                       (1u << XER_OV) | (1u << XER_OV32) |
3815                       (1u << XER_CA) | (1u << XER_CA32)));
3816     tcg_gen_extract_tl(cpu_ov32, src, XER_OV32, 1);
3817     tcg_gen_extract_tl(cpu_ca32, src, XER_CA32, 1);
3818     tcg_gen_extract_tl(cpu_so, src, XER_SO, 1);
3819     tcg_gen_extract_tl(cpu_ov, src, XER_OV, 1);
3820     tcg_gen_extract_tl(cpu_ca, src, XER_CA, 1);
3821 }
3822 
3823 /* mcrxr */
3824 static void gen_mcrxr(DisasContext *ctx)
3825 {
3826     TCGv_i32 t0 = tcg_temp_new_i32();
3827     TCGv_i32 t1 = tcg_temp_new_i32();
3828     TCGv_i32 dst = cpu_crf[crfD(ctx->opcode)];
3829 
3830     tcg_gen_trunc_tl_i32(t0, cpu_so);
3831     tcg_gen_trunc_tl_i32(t1, cpu_ov);
3832     tcg_gen_trunc_tl_i32(dst, cpu_ca);
3833     tcg_gen_shli_i32(t0, t0, 3);
3834     tcg_gen_shli_i32(t1, t1, 2);
3835     tcg_gen_shli_i32(dst, dst, 1);
3836     tcg_gen_or_i32(dst, dst, t0);
3837     tcg_gen_or_i32(dst, dst, t1);
3838     tcg_temp_free_i32(t0);
3839     tcg_temp_free_i32(t1);
3840 
3841     tcg_gen_movi_tl(cpu_so, 0);
3842     tcg_gen_movi_tl(cpu_ov, 0);
3843     tcg_gen_movi_tl(cpu_ca, 0);
3844 }
3845 
3846 #ifdef TARGET_PPC64
3847 /* mcrxrx */
3848 static void gen_mcrxrx(DisasContext *ctx)
3849 {
3850     TCGv t0 = tcg_temp_new();
3851     TCGv t1 = tcg_temp_new();
3852     TCGv_i32 dst = cpu_crf[crfD(ctx->opcode)];
3853 
3854     /* copy OV and OV32 */
3855     tcg_gen_shli_tl(t0, cpu_ov, 1);
3856     tcg_gen_or_tl(t0, t0, cpu_ov32);
3857     tcg_gen_shli_tl(t0, t0, 2);
3858     /* copy CA and CA32 */
3859     tcg_gen_shli_tl(t1, cpu_ca, 1);
3860     tcg_gen_or_tl(t1, t1, cpu_ca32);
3861     tcg_gen_or_tl(t0, t0, t1);
3862     tcg_gen_trunc_tl_i32(dst, t0);
3863     tcg_temp_free(t0);
3864     tcg_temp_free(t1);
3865 }
3866 #endif
3867 
3868 /* mfcr mfocrf */
3869 static void gen_mfcr(DisasContext *ctx)
3870 {
3871     uint32_t crm, crn;
3872 
3873     if (likely(ctx->opcode & 0x00100000)) {
3874         crm = CRM(ctx->opcode);
3875         if (likely(crm && ((crm & (crm - 1)) == 0))) {
3876             crn = ctz32 (crm);
3877             tcg_gen_extu_i32_tl(cpu_gpr[rD(ctx->opcode)], cpu_crf[7 - crn]);
3878             tcg_gen_shli_tl(cpu_gpr[rD(ctx->opcode)],
3879                             cpu_gpr[rD(ctx->opcode)], crn * 4);
3880         }
3881     } else {
3882         TCGv_i32 t0 = tcg_temp_new_i32();
3883         tcg_gen_mov_i32(t0, cpu_crf[0]);
3884         tcg_gen_shli_i32(t0, t0, 4);
3885         tcg_gen_or_i32(t0, t0, cpu_crf[1]);
3886         tcg_gen_shli_i32(t0, t0, 4);
3887         tcg_gen_or_i32(t0, t0, cpu_crf[2]);
3888         tcg_gen_shli_i32(t0, t0, 4);
3889         tcg_gen_or_i32(t0, t0, cpu_crf[3]);
3890         tcg_gen_shli_i32(t0, t0, 4);
3891         tcg_gen_or_i32(t0, t0, cpu_crf[4]);
3892         tcg_gen_shli_i32(t0, t0, 4);
3893         tcg_gen_or_i32(t0, t0, cpu_crf[5]);
3894         tcg_gen_shli_i32(t0, t0, 4);
3895         tcg_gen_or_i32(t0, t0, cpu_crf[6]);
3896         tcg_gen_shli_i32(t0, t0, 4);
3897         tcg_gen_or_i32(t0, t0, cpu_crf[7]);
3898         tcg_gen_extu_i32_tl(cpu_gpr[rD(ctx->opcode)], t0);
3899         tcg_temp_free_i32(t0);
3900     }
3901 }
3902 
3903 /* mfmsr */
3904 static void gen_mfmsr(DisasContext *ctx)
3905 {
3906     CHK_SV;
3907     tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_msr);
3908 }
3909 
3910 static void spr_noaccess(DisasContext *ctx, int gprn, int sprn)
3911 {
3912 #if 0
3913     sprn = ((sprn >> 5) & 0x1F) | ((sprn & 0x1F) << 5);
3914     printf("ERROR: try to access SPR %d !\n", sprn);
3915 #endif
3916 }
3917 #define SPR_NOACCESS (&spr_noaccess)
3918 
3919 /* mfspr */
3920 static inline void gen_op_mfspr(DisasContext *ctx)
3921 {
3922     void (*read_cb)(DisasContext *ctx, int gprn, int sprn);
3923     uint32_t sprn = SPR(ctx->opcode);
3924 
3925 #if defined(CONFIG_USER_ONLY)
3926     read_cb = ctx->spr_cb[sprn].uea_read;
3927 #else
3928     if (ctx->pr) {
3929         read_cb = ctx->spr_cb[sprn].uea_read;
3930     } else if (ctx->hv) {
3931         read_cb = ctx->spr_cb[sprn].hea_read;
3932     } else {
3933         read_cb = ctx->spr_cb[sprn].oea_read;
3934     }
3935 #endif
3936     if (likely(read_cb != NULL)) {
3937         if (likely(read_cb != SPR_NOACCESS)) {
3938             (*read_cb)(ctx, rD(ctx->opcode), sprn);
3939         } else {
3940             /* Privilege exception */
3941             /* This is a hack to avoid warnings when running Linux:
3942              * this OS breaks the PowerPC virtualisation model,
3943              * allowing userland application to read the PVR
3944              */
3945             if (sprn != SPR_PVR) {
3946                 fprintf(stderr, "Trying to read privileged spr %d (0x%03x) at "
3947                         TARGET_FMT_lx "\n", sprn, sprn, ctx->nip - 4);
3948                 if (qemu_log_separate()) {
3949                     qemu_log("Trying to read privileged spr %d (0x%03x) at "
3950                              TARGET_FMT_lx "\n", sprn, sprn, ctx->nip - 4);
3951                 }
3952             }
3953             gen_priv_exception(ctx, POWERPC_EXCP_PRIV_REG);
3954         }
3955     } else {
3956         /* ISA 2.07 defines these as no-ops */
3957         if ((ctx->insns_flags2 & PPC2_ISA207S) &&
3958             (sprn >= 808 && sprn <= 811)) {
3959             /* This is a nop */
3960             return;
3961         }
3962         /* Not defined */
3963         fprintf(stderr, "Trying to read invalid spr %d (0x%03x) at "
3964                 TARGET_FMT_lx "\n", sprn, sprn, ctx->nip - 4);
3965         if (qemu_log_separate()) {
3966             qemu_log("Trying to read invalid spr %d (0x%03x) at "
3967                      TARGET_FMT_lx "\n", sprn, sprn, ctx->nip - 4);
3968         }
3969 
3970         /* The behaviour depends on MSR:PR and SPR# bit 0x10,
3971          * it can generate a priv, a hv emu or a no-op
3972          */
3973         if (sprn & 0x10) {
3974             if (ctx->pr) {
3975                 gen_priv_exception(ctx, POWERPC_EXCP_INVAL_SPR);
3976             }
3977         } else {
3978             if (ctx->pr || sprn == 0 || sprn == 4 || sprn == 5 || sprn == 6) {
3979                 gen_hvpriv_exception(ctx, POWERPC_EXCP_INVAL_SPR);
3980             }
3981         }
3982     }
3983 }
3984 
3985 static void gen_mfspr(DisasContext *ctx)
3986 {
3987     gen_op_mfspr(ctx);
3988 }
3989 
3990 /* mftb */
3991 static void gen_mftb(DisasContext *ctx)
3992 {
3993     gen_op_mfspr(ctx);
3994 }
3995 
3996 /* mtcrf mtocrf*/
3997 static void gen_mtcrf(DisasContext *ctx)
3998 {
3999     uint32_t crm, crn;
4000 
4001     crm = CRM(ctx->opcode);
4002     if (likely((ctx->opcode & 0x00100000))) {
4003         if (crm && ((crm & (crm - 1)) == 0)) {
4004             TCGv_i32 temp = tcg_temp_new_i32();
4005             crn = ctz32 (crm);
4006             tcg_gen_trunc_tl_i32(temp, cpu_gpr[rS(ctx->opcode)]);
4007             tcg_gen_shri_i32(temp, temp, crn * 4);
4008             tcg_gen_andi_i32(cpu_crf[7 - crn], temp, 0xf);
4009             tcg_temp_free_i32(temp);
4010         }
4011     } else {
4012         TCGv_i32 temp = tcg_temp_new_i32();
4013         tcg_gen_trunc_tl_i32(temp, cpu_gpr[rS(ctx->opcode)]);
4014         for (crn = 0 ; crn < 8 ; crn++) {
4015             if (crm & (1 << crn)) {
4016                     tcg_gen_shri_i32(cpu_crf[7 - crn], temp, crn * 4);
4017                     tcg_gen_andi_i32(cpu_crf[7 - crn], cpu_crf[7 - crn], 0xf);
4018             }
4019         }
4020         tcg_temp_free_i32(temp);
4021     }
4022 }
4023 
4024 /* mtmsr */
4025 #if defined(TARGET_PPC64)
4026 static void gen_mtmsrd(DisasContext *ctx)
4027 {
4028     CHK_SV;
4029 
4030 #if !defined(CONFIG_USER_ONLY)
4031     if (ctx->opcode & 0x00010000) {
4032         /* Special form that does not need any synchronisation */
4033         TCGv t0 = tcg_temp_new();
4034         tcg_gen_andi_tl(t0, cpu_gpr[rS(ctx->opcode)], (1 << MSR_RI) | (1 << MSR_EE));
4035         tcg_gen_andi_tl(cpu_msr, cpu_msr, ~(target_ulong)((1 << MSR_RI) | (1 << MSR_EE)));
4036         tcg_gen_or_tl(cpu_msr, cpu_msr, t0);
4037         tcg_temp_free(t0);
4038     } else {
4039         /* XXX: we need to update nip before the store
4040          *      if we enter power saving mode, we will exit the loop
4041          *      directly from ppc_store_msr
4042          */
4043         gen_update_nip(ctx, ctx->nip);
4044         gen_helper_store_msr(cpu_env, cpu_gpr[rS(ctx->opcode)]);
4045         /* Must stop the translation as machine state (may have) changed */
4046         /* Note that mtmsr is not always defined as context-synchronizing */
4047         gen_stop_exception(ctx);
4048     }
4049 #endif /* !defined(CONFIG_USER_ONLY) */
4050 }
4051 #endif /* defined(TARGET_PPC64) */
4052 
4053 static void gen_mtmsr(DisasContext *ctx)
4054 {
4055     CHK_SV;
4056 
4057 #if !defined(CONFIG_USER_ONLY)
4058    if (ctx->opcode & 0x00010000) {
4059         /* Special form that does not need any synchronisation */
4060         TCGv t0 = tcg_temp_new();
4061         tcg_gen_andi_tl(t0, cpu_gpr[rS(ctx->opcode)], (1 << MSR_RI) | (1 << MSR_EE));
4062         tcg_gen_andi_tl(cpu_msr, cpu_msr, ~(target_ulong)((1 << MSR_RI) | (1 << MSR_EE)));
4063         tcg_gen_or_tl(cpu_msr, cpu_msr, t0);
4064         tcg_temp_free(t0);
4065     } else {
4066         TCGv msr = tcg_temp_new();
4067 
4068         /* XXX: we need to update nip before the store
4069          *      if we enter power saving mode, we will exit the loop
4070          *      directly from ppc_store_msr
4071          */
4072         gen_update_nip(ctx, ctx->nip);
4073 #if defined(TARGET_PPC64)
4074         tcg_gen_deposit_tl(msr, cpu_msr, cpu_gpr[rS(ctx->opcode)], 0, 32);
4075 #else
4076         tcg_gen_mov_tl(msr, cpu_gpr[rS(ctx->opcode)]);
4077 #endif
4078         gen_helper_store_msr(cpu_env, msr);
4079         tcg_temp_free(msr);
4080         /* Must stop the translation as machine state (may have) changed */
4081         /* Note that mtmsr is not always defined as context-synchronizing */
4082         gen_stop_exception(ctx);
4083     }
4084 #endif
4085 }
4086 
4087 /* mtspr */
4088 static void gen_mtspr(DisasContext *ctx)
4089 {
4090     void (*write_cb)(DisasContext *ctx, int sprn, int gprn);
4091     uint32_t sprn = SPR(ctx->opcode);
4092 
4093 #if defined(CONFIG_USER_ONLY)
4094     write_cb = ctx->spr_cb[sprn].uea_write;
4095 #else
4096     if (ctx->pr) {
4097         write_cb = ctx->spr_cb[sprn].uea_write;
4098     } else if (ctx->hv) {
4099         write_cb = ctx->spr_cb[sprn].hea_write;
4100     } else {
4101         write_cb = ctx->spr_cb[sprn].oea_write;
4102     }
4103 #endif
4104     if (likely(write_cb != NULL)) {
4105         if (likely(write_cb != SPR_NOACCESS)) {
4106             (*write_cb)(ctx, sprn, rS(ctx->opcode));
4107         } else {
4108             /* Privilege exception */
4109             fprintf(stderr, "Trying to write privileged spr %d (0x%03x) at "
4110                     TARGET_FMT_lx "\n", sprn, sprn, ctx->nip - 4);
4111             if (qemu_log_separate()) {
4112                 qemu_log("Trying to write privileged spr %d (0x%03x) at "
4113                          TARGET_FMT_lx "\n", sprn, sprn, ctx->nip - 4);
4114             }
4115             gen_priv_exception(ctx, POWERPC_EXCP_PRIV_REG);
4116         }
4117     } else {
4118         /* ISA 2.07 defines these as no-ops */
4119         if ((ctx->insns_flags2 & PPC2_ISA207S) &&
4120             (sprn >= 808 && sprn <= 811)) {
4121             /* This is a nop */
4122             return;
4123         }
4124 
4125         /* Not defined */
4126         if (qemu_log_separate()) {
4127             qemu_log("Trying to write invalid spr %d (0x%03x) at "
4128                      TARGET_FMT_lx "\n", sprn, sprn, ctx->nip - 4);
4129         }
4130         fprintf(stderr, "Trying to write invalid spr %d (0x%03x) at "
4131                 TARGET_FMT_lx "\n", sprn, sprn, ctx->nip - 4);
4132 
4133 
4134         /* The behaviour depends on MSR:PR and SPR# bit 0x10,
4135          * it can generate a priv, a hv emu or a no-op
4136          */
4137         if (sprn & 0x10) {
4138             if (ctx->pr) {
4139                 gen_priv_exception(ctx, POWERPC_EXCP_INVAL_SPR);
4140             }
4141         } else {
4142             if (ctx->pr || sprn == 0) {
4143                 gen_hvpriv_exception(ctx, POWERPC_EXCP_INVAL_SPR);
4144             }
4145         }
4146     }
4147 }
4148 
4149 #if defined(TARGET_PPC64)
4150 /* setb */
4151 static void gen_setb(DisasContext *ctx)
4152 {
4153     TCGv_i32 t0 = tcg_temp_new_i32();
4154     TCGv_i32 t8 = tcg_temp_new_i32();
4155     TCGv_i32 tm1 = tcg_temp_new_i32();
4156     int crf = crfS(ctx->opcode);
4157 
4158     tcg_gen_setcondi_i32(TCG_COND_GEU, t0, cpu_crf[crf], 4);
4159     tcg_gen_movi_i32(t8, 8);
4160     tcg_gen_movi_i32(tm1, -1);
4161     tcg_gen_movcond_i32(TCG_COND_GEU, t0, cpu_crf[crf], t8, tm1, t0);
4162     tcg_gen_ext_i32_tl(cpu_gpr[rD(ctx->opcode)], t0);
4163 
4164     tcg_temp_free_i32(t0);
4165     tcg_temp_free_i32(t8);
4166     tcg_temp_free_i32(tm1);
4167 }
4168 #endif
4169 
4170 /***                         Cache management                              ***/
4171 
4172 /* dcbf */
4173 static void gen_dcbf(DisasContext *ctx)
4174 {
4175     /* XXX: specification says this is treated as a load by the MMU */
4176     TCGv t0;
4177     gen_set_access_type(ctx, ACCESS_CACHE);
4178     t0 = tcg_temp_new();
4179     gen_addr_reg_index(ctx, t0);
4180     gen_qemu_ld8u(ctx, t0, t0);
4181     tcg_temp_free(t0);
4182 }
4183 
4184 /* dcbi (Supervisor only) */
4185 static void gen_dcbi(DisasContext *ctx)
4186 {
4187 #if defined(CONFIG_USER_ONLY)
4188     GEN_PRIV;
4189 #else
4190     TCGv EA, val;
4191 
4192     CHK_SV;
4193     EA = tcg_temp_new();
4194     gen_set_access_type(ctx, ACCESS_CACHE);
4195     gen_addr_reg_index(ctx, EA);
4196     val = tcg_temp_new();
4197     /* XXX: specification says this should be treated as a store by the MMU */
4198     gen_qemu_ld8u(ctx, val, EA);
4199     gen_qemu_st8(ctx, val, EA);
4200     tcg_temp_free(val);
4201     tcg_temp_free(EA);
4202 #endif /* defined(CONFIG_USER_ONLY) */
4203 }
4204 
4205 /* dcdst */
4206 static void gen_dcbst(DisasContext *ctx)
4207 {
4208     /* XXX: specification say this is treated as a load by the MMU */
4209     TCGv t0;
4210     gen_set_access_type(ctx, ACCESS_CACHE);
4211     t0 = tcg_temp_new();
4212     gen_addr_reg_index(ctx, t0);
4213     gen_qemu_ld8u(ctx, t0, t0);
4214     tcg_temp_free(t0);
4215 }
4216 
4217 /* dcbt */
4218 static void gen_dcbt(DisasContext *ctx)
4219 {
4220     /* interpreted as no-op */
4221     /* XXX: specification say this is treated as a load by the MMU
4222      *      but does not generate any exception
4223      */
4224 }
4225 
4226 /* dcbtst */
4227 static void gen_dcbtst(DisasContext *ctx)
4228 {
4229     /* interpreted as no-op */
4230     /* XXX: specification say this is treated as a load by the MMU
4231      *      but does not generate any exception
4232      */
4233 }
4234 
4235 /* dcbtls */
4236 static void gen_dcbtls(DisasContext *ctx)
4237 {
4238     /* Always fails locking the cache */
4239     TCGv t0 = tcg_temp_new();
4240     gen_load_spr(t0, SPR_Exxx_L1CSR0);
4241     tcg_gen_ori_tl(t0, t0, L1CSR0_CUL);
4242     gen_store_spr(SPR_Exxx_L1CSR0, t0);
4243     tcg_temp_free(t0);
4244 }
4245 
4246 /* dcbz */
4247 static void gen_dcbz(DisasContext *ctx)
4248 {
4249     TCGv tcgv_addr;
4250     TCGv_i32 tcgv_op;
4251 
4252     gen_set_access_type(ctx, ACCESS_CACHE);
4253     tcgv_addr = tcg_temp_new();
4254     tcgv_op = tcg_const_i32(ctx->opcode & 0x03FF000);
4255     gen_addr_reg_index(ctx, tcgv_addr);
4256     gen_helper_dcbz(cpu_env, tcgv_addr, tcgv_op);
4257     tcg_temp_free(tcgv_addr);
4258     tcg_temp_free_i32(tcgv_op);
4259 }
4260 
4261 /* dst / dstt */
4262 static void gen_dst(DisasContext *ctx)
4263 {
4264     if (rA(ctx->opcode) == 0) {
4265         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
4266     } else {
4267         /* interpreted as no-op */
4268     }
4269 }
4270 
4271 /* dstst /dststt */
4272 static void gen_dstst(DisasContext *ctx)
4273 {
4274     if (rA(ctx->opcode) == 0) {
4275         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
4276     } else {
4277         /* interpreted as no-op */
4278     }
4279 
4280 }
4281 
4282 /* dss / dssall */
4283 static void gen_dss(DisasContext *ctx)
4284 {
4285     /* interpreted as no-op */
4286 }
4287 
4288 /* icbi */
4289 static void gen_icbi(DisasContext *ctx)
4290 {
4291     TCGv t0;
4292     gen_set_access_type(ctx, ACCESS_CACHE);
4293     t0 = tcg_temp_new();
4294     gen_addr_reg_index(ctx, t0);
4295     gen_helper_icbi(cpu_env, t0);
4296     tcg_temp_free(t0);
4297 }
4298 
4299 /* Optional: */
4300 /* dcba */
4301 static void gen_dcba(DisasContext *ctx)
4302 {
4303     /* interpreted as no-op */
4304     /* XXX: specification say this is treated as a store by the MMU
4305      *      but does not generate any exception
4306      */
4307 }
4308 
4309 /***                    Segment register manipulation                      ***/
4310 /* Supervisor only: */
4311 
4312 /* mfsr */
4313 static void gen_mfsr(DisasContext *ctx)
4314 {
4315 #if defined(CONFIG_USER_ONLY)
4316     GEN_PRIV;
4317 #else
4318     TCGv t0;
4319 
4320     CHK_SV;
4321     t0 = tcg_const_tl(SR(ctx->opcode));
4322     gen_helper_load_sr(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
4323     tcg_temp_free(t0);
4324 #endif /* defined(CONFIG_USER_ONLY) */
4325 }
4326 
4327 /* mfsrin */
4328 static void gen_mfsrin(DisasContext *ctx)
4329 {
4330 #if defined(CONFIG_USER_ONLY)
4331     GEN_PRIV;
4332 #else
4333     TCGv t0;
4334 
4335     CHK_SV;
4336     t0 = tcg_temp_new();
4337     tcg_gen_extract_tl(t0, cpu_gpr[rB(ctx->opcode)], 28, 4);
4338     gen_helper_load_sr(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
4339     tcg_temp_free(t0);
4340 #endif /* defined(CONFIG_USER_ONLY) */
4341 }
4342 
4343 /* mtsr */
4344 static void gen_mtsr(DisasContext *ctx)
4345 {
4346 #if defined(CONFIG_USER_ONLY)
4347     GEN_PRIV;
4348 #else
4349     TCGv t0;
4350 
4351     CHK_SV;
4352     t0 = tcg_const_tl(SR(ctx->opcode));
4353     gen_helper_store_sr(cpu_env, t0, cpu_gpr[rS(ctx->opcode)]);
4354     tcg_temp_free(t0);
4355 #endif /* defined(CONFIG_USER_ONLY) */
4356 }
4357 
4358 /* mtsrin */
4359 static void gen_mtsrin(DisasContext *ctx)
4360 {
4361 #if defined(CONFIG_USER_ONLY)
4362     GEN_PRIV;
4363 #else
4364     TCGv t0;
4365     CHK_SV;
4366 
4367     t0 = tcg_temp_new();
4368     tcg_gen_extract_tl(t0, cpu_gpr[rB(ctx->opcode)], 28, 4);
4369     gen_helper_store_sr(cpu_env, t0, cpu_gpr[rD(ctx->opcode)]);
4370     tcg_temp_free(t0);
4371 #endif /* defined(CONFIG_USER_ONLY) */
4372 }
4373 
4374 #if defined(TARGET_PPC64)
4375 /* Specific implementation for PowerPC 64 "bridge" emulation using SLB */
4376 
4377 /* mfsr */
4378 static void gen_mfsr_64b(DisasContext *ctx)
4379 {
4380 #if defined(CONFIG_USER_ONLY)
4381     GEN_PRIV;
4382 #else
4383     TCGv t0;
4384 
4385     CHK_SV;
4386     t0 = tcg_const_tl(SR(ctx->opcode));
4387     gen_helper_load_sr(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
4388     tcg_temp_free(t0);
4389 #endif /* defined(CONFIG_USER_ONLY) */
4390 }
4391 
4392 /* mfsrin */
4393 static void gen_mfsrin_64b(DisasContext *ctx)
4394 {
4395 #if defined(CONFIG_USER_ONLY)
4396     GEN_PRIV;
4397 #else
4398     TCGv t0;
4399 
4400     CHK_SV;
4401     t0 = tcg_temp_new();
4402     tcg_gen_extract_tl(t0, cpu_gpr[rB(ctx->opcode)], 28, 4);
4403     gen_helper_load_sr(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
4404     tcg_temp_free(t0);
4405 #endif /* defined(CONFIG_USER_ONLY) */
4406 }
4407 
4408 /* mtsr */
4409 static void gen_mtsr_64b(DisasContext *ctx)
4410 {
4411 #if defined(CONFIG_USER_ONLY)
4412     GEN_PRIV;
4413 #else
4414     TCGv t0;
4415 
4416     CHK_SV;
4417     t0 = tcg_const_tl(SR(ctx->opcode));
4418     gen_helper_store_sr(cpu_env, t0, cpu_gpr[rS(ctx->opcode)]);
4419     tcg_temp_free(t0);
4420 #endif /* defined(CONFIG_USER_ONLY) */
4421 }
4422 
4423 /* mtsrin */
4424 static void gen_mtsrin_64b(DisasContext *ctx)
4425 {
4426 #if defined(CONFIG_USER_ONLY)
4427     GEN_PRIV;
4428 #else
4429     TCGv t0;
4430 
4431     CHK_SV;
4432     t0 = tcg_temp_new();
4433     tcg_gen_extract_tl(t0, cpu_gpr[rB(ctx->opcode)], 28, 4);
4434     gen_helper_store_sr(cpu_env, t0, cpu_gpr[rS(ctx->opcode)]);
4435     tcg_temp_free(t0);
4436 #endif /* defined(CONFIG_USER_ONLY) */
4437 }
4438 
4439 /* slbmte */
4440 static void gen_slbmte(DisasContext *ctx)
4441 {
4442 #if defined(CONFIG_USER_ONLY)
4443     GEN_PRIV;
4444 #else
4445     CHK_SV;
4446 
4447     gen_helper_store_slb(cpu_env, cpu_gpr[rB(ctx->opcode)],
4448                          cpu_gpr[rS(ctx->opcode)]);
4449 #endif /* defined(CONFIG_USER_ONLY) */
4450 }
4451 
4452 static void gen_slbmfee(DisasContext *ctx)
4453 {
4454 #if defined(CONFIG_USER_ONLY)
4455     GEN_PRIV;
4456 #else
4457     CHK_SV;
4458 
4459     gen_helper_load_slb_esid(cpu_gpr[rS(ctx->opcode)], cpu_env,
4460                              cpu_gpr[rB(ctx->opcode)]);
4461 #endif /* defined(CONFIG_USER_ONLY) */
4462 }
4463 
4464 static void gen_slbmfev(DisasContext *ctx)
4465 {
4466 #if defined(CONFIG_USER_ONLY)
4467     GEN_PRIV;
4468 #else
4469     CHK_SV;
4470 
4471     gen_helper_load_slb_vsid(cpu_gpr[rS(ctx->opcode)], cpu_env,
4472                              cpu_gpr[rB(ctx->opcode)]);
4473 #endif /* defined(CONFIG_USER_ONLY) */
4474 }
4475 
4476 static void gen_slbfee_(DisasContext *ctx)
4477 {
4478 #if defined(CONFIG_USER_ONLY)
4479     gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG);
4480 #else
4481     TCGLabel *l1, *l2;
4482 
4483     if (unlikely(ctx->pr)) {
4484         gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG);
4485         return;
4486     }
4487     gen_helper_find_slb_vsid(cpu_gpr[rS(ctx->opcode)], cpu_env,
4488                              cpu_gpr[rB(ctx->opcode)]);
4489     l1 = gen_new_label();
4490     l2 = gen_new_label();
4491     tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so);
4492     tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[rS(ctx->opcode)], -1, l1);
4493     tcg_gen_ori_i32(cpu_crf[0], cpu_crf[0], CRF_EQ);
4494     tcg_gen_br(l2);
4495     gen_set_label(l1);
4496     tcg_gen_movi_tl(cpu_gpr[rS(ctx->opcode)], 0);
4497     gen_set_label(l2);
4498 #endif
4499 }
4500 #endif /* defined(TARGET_PPC64) */
4501 
4502 /***                      Lookaside buffer management                      ***/
4503 /* Optional & supervisor only: */
4504 
4505 /* tlbia */
4506 static void gen_tlbia(DisasContext *ctx)
4507 {
4508 #if defined(CONFIG_USER_ONLY)
4509     GEN_PRIV;
4510 #else
4511     CHK_HV;
4512 
4513     gen_helper_tlbia(cpu_env);
4514 #endif  /* defined(CONFIG_USER_ONLY) */
4515 }
4516 
4517 /* tlbiel */
4518 static void gen_tlbiel(DisasContext *ctx)
4519 {
4520 #if defined(CONFIG_USER_ONLY)
4521     GEN_PRIV;
4522 #else
4523     CHK_SV;
4524 
4525     gen_helper_tlbie(cpu_env, cpu_gpr[rB(ctx->opcode)]);
4526 #endif /* defined(CONFIG_USER_ONLY) */
4527 }
4528 
4529 /* tlbie */
4530 static void gen_tlbie(DisasContext *ctx)
4531 {
4532 #if defined(CONFIG_USER_ONLY)
4533     GEN_PRIV;
4534 #else
4535     TCGv_i32 t1;
4536 
4537     if (ctx->gtse) {
4538         CHK_SV; /* If gtse is set then tblie is supervisor privileged */
4539     } else {
4540         CHK_HV; /* Else hypervisor privileged */
4541     }
4542 
4543     if (NARROW_MODE(ctx)) {
4544         TCGv t0 = tcg_temp_new();
4545         tcg_gen_ext32u_tl(t0, cpu_gpr[rB(ctx->opcode)]);
4546         gen_helper_tlbie(cpu_env, t0);
4547         tcg_temp_free(t0);
4548     } else {
4549         gen_helper_tlbie(cpu_env, cpu_gpr[rB(ctx->opcode)]);
4550     }
4551     t1 = tcg_temp_new_i32();
4552     tcg_gen_ld_i32(t1, cpu_env, offsetof(CPUPPCState, tlb_need_flush));
4553     tcg_gen_ori_i32(t1, t1, TLB_NEED_GLOBAL_FLUSH);
4554     tcg_gen_st_i32(t1, cpu_env, offsetof(CPUPPCState, tlb_need_flush));
4555     tcg_temp_free_i32(t1);
4556 #endif /* defined(CONFIG_USER_ONLY) */
4557 }
4558 
4559 /* tlbsync */
4560 static void gen_tlbsync(DisasContext *ctx)
4561 {
4562 #if defined(CONFIG_USER_ONLY)
4563     GEN_PRIV;
4564 #else
4565     CHK_HV;
4566 
4567     /* BookS does both ptesync and tlbsync make tlbsync a nop for server */
4568     if (ctx->insns_flags & PPC_BOOKE) {
4569         gen_check_tlb_flush(ctx, true);
4570     }
4571 #endif /* defined(CONFIG_USER_ONLY) */
4572 }
4573 
4574 #if defined(TARGET_PPC64)
4575 /* slbia */
4576 static void gen_slbia(DisasContext *ctx)
4577 {
4578 #if defined(CONFIG_USER_ONLY)
4579     GEN_PRIV;
4580 #else
4581     CHK_SV;
4582 
4583     gen_helper_slbia(cpu_env);
4584 #endif /* defined(CONFIG_USER_ONLY) */
4585 }
4586 
4587 /* slbie */
4588 static void gen_slbie(DisasContext *ctx)
4589 {
4590 #if defined(CONFIG_USER_ONLY)
4591     GEN_PRIV;
4592 #else
4593     CHK_SV;
4594 
4595     gen_helper_slbie(cpu_env, cpu_gpr[rB(ctx->opcode)]);
4596 #endif /* defined(CONFIG_USER_ONLY) */
4597 }
4598 
4599 /* slbieg */
4600 static void gen_slbieg(DisasContext *ctx)
4601 {
4602 #if defined(CONFIG_USER_ONLY)
4603     GEN_PRIV;
4604 #else
4605     CHK_SV;
4606 
4607     gen_helper_slbieg(cpu_env, cpu_gpr[rB(ctx->opcode)]);
4608 #endif /* defined(CONFIG_USER_ONLY) */
4609 }
4610 
4611 /* slbsync */
4612 static void gen_slbsync(DisasContext *ctx)
4613 {
4614 #if defined(CONFIG_USER_ONLY)
4615     GEN_PRIV;
4616 #else
4617     CHK_SV;
4618     gen_check_tlb_flush(ctx, true);
4619 #endif /* defined(CONFIG_USER_ONLY) */
4620 }
4621 
4622 #endif  /* defined(TARGET_PPC64) */
4623 
4624 /***                              External control                         ***/
4625 /* Optional: */
4626 
4627 /* eciwx */
4628 static void gen_eciwx(DisasContext *ctx)
4629 {
4630     TCGv t0;
4631     /* Should check EAR[E] ! */
4632     gen_set_access_type(ctx, ACCESS_EXT);
4633     t0 = tcg_temp_new();
4634     gen_addr_reg_index(ctx, t0);
4635     gen_check_align(ctx, t0, 0x03);
4636     gen_qemu_ld32u(ctx, cpu_gpr[rD(ctx->opcode)], t0);
4637     tcg_temp_free(t0);
4638 }
4639 
4640 /* ecowx */
4641 static void gen_ecowx(DisasContext *ctx)
4642 {
4643     TCGv t0;
4644     /* Should check EAR[E] ! */
4645     gen_set_access_type(ctx, ACCESS_EXT);
4646     t0 = tcg_temp_new();
4647     gen_addr_reg_index(ctx, t0);
4648     gen_check_align(ctx, t0, 0x03);
4649     gen_qemu_st32(ctx, cpu_gpr[rD(ctx->opcode)], t0);
4650     tcg_temp_free(t0);
4651 }
4652 
4653 /* PowerPC 601 specific instructions */
4654 
4655 /* abs - abs. */
4656 static void gen_abs(DisasContext *ctx)
4657 {
4658     TCGLabel *l1 = gen_new_label();
4659     TCGLabel *l2 = gen_new_label();
4660     tcg_gen_brcondi_tl(TCG_COND_GE, cpu_gpr[rA(ctx->opcode)], 0, l1);
4661     tcg_gen_neg_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
4662     tcg_gen_br(l2);
4663     gen_set_label(l1);
4664     tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
4665     gen_set_label(l2);
4666     if (unlikely(Rc(ctx->opcode) != 0))
4667         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
4668 }
4669 
4670 /* abso - abso. */
4671 static void gen_abso(DisasContext *ctx)
4672 {
4673     TCGLabel *l1 = gen_new_label();
4674     TCGLabel *l2 = gen_new_label();
4675     TCGLabel *l3 = gen_new_label();
4676     /* Start with XER OV disabled, the most likely case */
4677     tcg_gen_movi_tl(cpu_ov, 0);
4678     tcg_gen_brcondi_tl(TCG_COND_GE, cpu_gpr[rA(ctx->opcode)], 0, l2);
4679     tcg_gen_brcondi_tl(TCG_COND_NE, cpu_gpr[rA(ctx->opcode)], 0x80000000, l1);
4680     tcg_gen_movi_tl(cpu_ov, 1);
4681     tcg_gen_movi_tl(cpu_so, 1);
4682     tcg_gen_br(l2);
4683     gen_set_label(l1);
4684     tcg_gen_neg_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
4685     tcg_gen_br(l3);
4686     gen_set_label(l2);
4687     tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
4688     gen_set_label(l3);
4689     if (unlikely(Rc(ctx->opcode) != 0))
4690         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
4691 }
4692 
4693 /* clcs */
4694 static void gen_clcs(DisasContext *ctx)
4695 {
4696     TCGv_i32 t0 = tcg_const_i32(rA(ctx->opcode));
4697     gen_helper_clcs(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
4698     tcg_temp_free_i32(t0);
4699     /* Rc=1 sets CR0 to an undefined state */
4700 }
4701 
4702 /* div - div. */
4703 static void gen_div(DisasContext *ctx)
4704 {
4705     gen_helper_div(cpu_gpr[rD(ctx->opcode)], cpu_env, cpu_gpr[rA(ctx->opcode)],
4706                    cpu_gpr[rB(ctx->opcode)]);
4707     if (unlikely(Rc(ctx->opcode) != 0))
4708         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
4709 }
4710 
4711 /* divo - divo. */
4712 static void gen_divo(DisasContext *ctx)
4713 {
4714     gen_helper_divo(cpu_gpr[rD(ctx->opcode)], cpu_env, cpu_gpr[rA(ctx->opcode)],
4715                     cpu_gpr[rB(ctx->opcode)]);
4716     if (unlikely(Rc(ctx->opcode) != 0))
4717         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
4718 }
4719 
4720 /* divs - divs. */
4721 static void gen_divs(DisasContext *ctx)
4722 {
4723     gen_helper_divs(cpu_gpr[rD(ctx->opcode)], cpu_env, cpu_gpr[rA(ctx->opcode)],
4724                     cpu_gpr[rB(ctx->opcode)]);
4725     if (unlikely(Rc(ctx->opcode) != 0))
4726         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
4727 }
4728 
4729 /* divso - divso. */
4730 static void gen_divso(DisasContext *ctx)
4731 {
4732     gen_helper_divso(cpu_gpr[rD(ctx->opcode)], cpu_env,
4733                      cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
4734     if (unlikely(Rc(ctx->opcode) != 0))
4735         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
4736 }
4737 
4738 /* doz - doz. */
4739 static void gen_doz(DisasContext *ctx)
4740 {
4741     TCGLabel *l1 = gen_new_label();
4742     TCGLabel *l2 = gen_new_label();
4743     tcg_gen_brcond_tl(TCG_COND_GE, cpu_gpr[rB(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], l1);
4744     tcg_gen_sub_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
4745     tcg_gen_br(l2);
4746     gen_set_label(l1);
4747     tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], 0);
4748     gen_set_label(l2);
4749     if (unlikely(Rc(ctx->opcode) != 0))
4750         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
4751 }
4752 
4753 /* dozo - dozo. */
4754 static void gen_dozo(DisasContext *ctx)
4755 {
4756     TCGLabel *l1 = gen_new_label();
4757     TCGLabel *l2 = gen_new_label();
4758     TCGv t0 = tcg_temp_new();
4759     TCGv t1 = tcg_temp_new();
4760     TCGv t2 = tcg_temp_new();
4761     /* Start with XER OV disabled, the most likely case */
4762     tcg_gen_movi_tl(cpu_ov, 0);
4763     tcg_gen_brcond_tl(TCG_COND_GE, cpu_gpr[rB(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], l1);
4764     tcg_gen_sub_tl(t0, cpu_gpr[rB(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
4765     tcg_gen_xor_tl(t1, cpu_gpr[rB(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
4766     tcg_gen_xor_tl(t2, cpu_gpr[rA(ctx->opcode)], t0);
4767     tcg_gen_andc_tl(t1, t1, t2);
4768     tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], t0);
4769     tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l2);
4770     tcg_gen_movi_tl(cpu_ov, 1);
4771     tcg_gen_movi_tl(cpu_so, 1);
4772     tcg_gen_br(l2);
4773     gen_set_label(l1);
4774     tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], 0);
4775     gen_set_label(l2);
4776     tcg_temp_free(t0);
4777     tcg_temp_free(t1);
4778     tcg_temp_free(t2);
4779     if (unlikely(Rc(ctx->opcode) != 0))
4780         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
4781 }
4782 
4783 /* dozi */
4784 static void gen_dozi(DisasContext *ctx)
4785 {
4786     target_long simm = SIMM(ctx->opcode);
4787     TCGLabel *l1 = gen_new_label();
4788     TCGLabel *l2 = gen_new_label();
4789     tcg_gen_brcondi_tl(TCG_COND_LT, cpu_gpr[rA(ctx->opcode)], simm, l1);
4790     tcg_gen_subfi_tl(cpu_gpr[rD(ctx->opcode)], simm, cpu_gpr[rA(ctx->opcode)]);
4791     tcg_gen_br(l2);
4792     gen_set_label(l1);
4793     tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], 0);
4794     gen_set_label(l2);
4795     if (unlikely(Rc(ctx->opcode) != 0))
4796         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
4797 }
4798 
4799 /* lscbx - lscbx. */
4800 static void gen_lscbx(DisasContext *ctx)
4801 {
4802     TCGv t0 = tcg_temp_new();
4803     TCGv_i32 t1 = tcg_const_i32(rD(ctx->opcode));
4804     TCGv_i32 t2 = tcg_const_i32(rA(ctx->opcode));
4805     TCGv_i32 t3 = tcg_const_i32(rB(ctx->opcode));
4806 
4807     gen_addr_reg_index(ctx, t0);
4808     gen_helper_lscbx(t0, cpu_env, t0, t1, t2, t3);
4809     tcg_temp_free_i32(t1);
4810     tcg_temp_free_i32(t2);
4811     tcg_temp_free_i32(t3);
4812     tcg_gen_andi_tl(cpu_xer, cpu_xer, ~0x7F);
4813     tcg_gen_or_tl(cpu_xer, cpu_xer, t0);
4814     if (unlikely(Rc(ctx->opcode) != 0))
4815         gen_set_Rc0(ctx, t0);
4816     tcg_temp_free(t0);
4817 }
4818 
4819 /* maskg - maskg. */
4820 static void gen_maskg(DisasContext *ctx)
4821 {
4822     TCGLabel *l1 = gen_new_label();
4823     TCGv t0 = tcg_temp_new();
4824     TCGv t1 = tcg_temp_new();
4825     TCGv t2 = tcg_temp_new();
4826     TCGv t3 = tcg_temp_new();
4827     tcg_gen_movi_tl(t3, 0xFFFFFFFF);
4828     tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F);
4829     tcg_gen_andi_tl(t1, cpu_gpr[rS(ctx->opcode)], 0x1F);
4830     tcg_gen_addi_tl(t2, t0, 1);
4831     tcg_gen_shr_tl(t2, t3, t2);
4832     tcg_gen_shr_tl(t3, t3, t1);
4833     tcg_gen_xor_tl(cpu_gpr[rA(ctx->opcode)], t2, t3);
4834     tcg_gen_brcond_tl(TCG_COND_GE, t0, t1, l1);
4835     tcg_gen_neg_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
4836     gen_set_label(l1);
4837     tcg_temp_free(t0);
4838     tcg_temp_free(t1);
4839     tcg_temp_free(t2);
4840     tcg_temp_free(t3);
4841     if (unlikely(Rc(ctx->opcode) != 0))
4842         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
4843 }
4844 
4845 /* maskir - maskir. */
4846 static void gen_maskir(DisasContext *ctx)
4847 {
4848     TCGv t0 = tcg_temp_new();
4849     TCGv t1 = tcg_temp_new();
4850     tcg_gen_and_tl(t0, cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
4851     tcg_gen_andc_tl(t1, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
4852     tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
4853     tcg_temp_free(t0);
4854     tcg_temp_free(t1);
4855     if (unlikely(Rc(ctx->opcode) != 0))
4856         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
4857 }
4858 
4859 /* mul - mul. */
4860 static void gen_mul(DisasContext *ctx)
4861 {
4862     TCGv_i64 t0 = tcg_temp_new_i64();
4863     TCGv_i64 t1 = tcg_temp_new_i64();
4864     TCGv t2 = tcg_temp_new();
4865     tcg_gen_extu_tl_i64(t0, cpu_gpr[rA(ctx->opcode)]);
4866     tcg_gen_extu_tl_i64(t1, cpu_gpr[rB(ctx->opcode)]);
4867     tcg_gen_mul_i64(t0, t0, t1);
4868     tcg_gen_trunc_i64_tl(t2, t0);
4869     gen_store_spr(SPR_MQ, t2);
4870     tcg_gen_shri_i64(t1, t0, 32);
4871     tcg_gen_trunc_i64_tl(cpu_gpr[rD(ctx->opcode)], t1);
4872     tcg_temp_free_i64(t0);
4873     tcg_temp_free_i64(t1);
4874     tcg_temp_free(t2);
4875     if (unlikely(Rc(ctx->opcode) != 0))
4876         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
4877 }
4878 
4879 /* mulo - mulo. */
4880 static void gen_mulo(DisasContext *ctx)
4881 {
4882     TCGLabel *l1 = gen_new_label();
4883     TCGv_i64 t0 = tcg_temp_new_i64();
4884     TCGv_i64 t1 = tcg_temp_new_i64();
4885     TCGv t2 = tcg_temp_new();
4886     /* Start with XER OV disabled, the most likely case */
4887     tcg_gen_movi_tl(cpu_ov, 0);
4888     tcg_gen_extu_tl_i64(t0, cpu_gpr[rA(ctx->opcode)]);
4889     tcg_gen_extu_tl_i64(t1, cpu_gpr[rB(ctx->opcode)]);
4890     tcg_gen_mul_i64(t0, t0, t1);
4891     tcg_gen_trunc_i64_tl(t2, t0);
4892     gen_store_spr(SPR_MQ, t2);
4893     tcg_gen_shri_i64(t1, t0, 32);
4894     tcg_gen_trunc_i64_tl(cpu_gpr[rD(ctx->opcode)], t1);
4895     tcg_gen_ext32s_i64(t1, t0);
4896     tcg_gen_brcond_i64(TCG_COND_EQ, t0, t1, l1);
4897     tcg_gen_movi_tl(cpu_ov, 1);
4898     tcg_gen_movi_tl(cpu_so, 1);
4899     gen_set_label(l1);
4900     tcg_temp_free_i64(t0);
4901     tcg_temp_free_i64(t1);
4902     tcg_temp_free(t2);
4903     if (unlikely(Rc(ctx->opcode) != 0))
4904         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
4905 }
4906 
4907 /* nabs - nabs. */
4908 static void gen_nabs(DisasContext *ctx)
4909 {
4910     TCGLabel *l1 = gen_new_label();
4911     TCGLabel *l2 = gen_new_label();
4912     tcg_gen_brcondi_tl(TCG_COND_GT, cpu_gpr[rA(ctx->opcode)], 0, l1);
4913     tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
4914     tcg_gen_br(l2);
4915     gen_set_label(l1);
4916     tcg_gen_neg_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
4917     gen_set_label(l2);
4918     if (unlikely(Rc(ctx->opcode) != 0))
4919         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
4920 }
4921 
4922 /* nabso - nabso. */
4923 static void gen_nabso(DisasContext *ctx)
4924 {
4925     TCGLabel *l1 = gen_new_label();
4926     TCGLabel *l2 = gen_new_label();
4927     tcg_gen_brcondi_tl(TCG_COND_GT, cpu_gpr[rA(ctx->opcode)], 0, l1);
4928     tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
4929     tcg_gen_br(l2);
4930     gen_set_label(l1);
4931     tcg_gen_neg_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
4932     gen_set_label(l2);
4933     /* nabs never overflows */
4934     tcg_gen_movi_tl(cpu_ov, 0);
4935     if (unlikely(Rc(ctx->opcode) != 0))
4936         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
4937 }
4938 
4939 /* rlmi - rlmi. */
4940 static void gen_rlmi(DisasContext *ctx)
4941 {
4942     uint32_t mb = MB(ctx->opcode);
4943     uint32_t me = ME(ctx->opcode);
4944     TCGv t0 = tcg_temp_new();
4945     tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F);
4946     tcg_gen_rotl_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
4947     tcg_gen_andi_tl(t0, t0, MASK(mb, me));
4948     tcg_gen_andi_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], ~MASK(mb, me));
4949     tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], t0);
4950     tcg_temp_free(t0);
4951     if (unlikely(Rc(ctx->opcode) != 0))
4952         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
4953 }
4954 
4955 /* rrib - rrib. */
4956 static void gen_rrib(DisasContext *ctx)
4957 {
4958     TCGv t0 = tcg_temp_new();
4959     TCGv t1 = tcg_temp_new();
4960     tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F);
4961     tcg_gen_movi_tl(t1, 0x80000000);
4962     tcg_gen_shr_tl(t1, t1, t0);
4963     tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
4964     tcg_gen_and_tl(t0, t0, t1);
4965     tcg_gen_andc_tl(t1, cpu_gpr[rA(ctx->opcode)], t1);
4966     tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
4967     tcg_temp_free(t0);
4968     tcg_temp_free(t1);
4969     if (unlikely(Rc(ctx->opcode) != 0))
4970         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
4971 }
4972 
4973 /* sle - sle. */
4974 static void gen_sle(DisasContext *ctx)
4975 {
4976     TCGv t0 = tcg_temp_new();
4977     TCGv t1 = tcg_temp_new();
4978     tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F);
4979     tcg_gen_shl_tl(t0, cpu_gpr[rS(ctx->opcode)], t1);
4980     tcg_gen_subfi_tl(t1, 32, t1);
4981     tcg_gen_shr_tl(t1, cpu_gpr[rS(ctx->opcode)], t1);
4982     tcg_gen_or_tl(t1, t0, t1);
4983     tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
4984     gen_store_spr(SPR_MQ, t1);
4985     tcg_temp_free(t0);
4986     tcg_temp_free(t1);
4987     if (unlikely(Rc(ctx->opcode) != 0))
4988         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
4989 }
4990 
4991 /* sleq - sleq. */
4992 static void gen_sleq(DisasContext *ctx)
4993 {
4994     TCGv t0 = tcg_temp_new();
4995     TCGv t1 = tcg_temp_new();
4996     TCGv t2 = tcg_temp_new();
4997     tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F);
4998     tcg_gen_movi_tl(t2, 0xFFFFFFFF);
4999     tcg_gen_shl_tl(t2, t2, t0);
5000     tcg_gen_rotl_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
5001     gen_load_spr(t1, SPR_MQ);
5002     gen_store_spr(SPR_MQ, t0);
5003     tcg_gen_and_tl(t0, t0, t2);
5004     tcg_gen_andc_tl(t1, t1, t2);
5005     tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
5006     tcg_temp_free(t0);
5007     tcg_temp_free(t1);
5008     tcg_temp_free(t2);
5009     if (unlikely(Rc(ctx->opcode) != 0))
5010         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5011 }
5012 
5013 /* sliq - sliq. */
5014 static void gen_sliq(DisasContext *ctx)
5015 {
5016     int sh = SH(ctx->opcode);
5017     TCGv t0 = tcg_temp_new();
5018     TCGv t1 = tcg_temp_new();
5019     tcg_gen_shli_tl(t0, cpu_gpr[rS(ctx->opcode)], sh);
5020     tcg_gen_shri_tl(t1, cpu_gpr[rS(ctx->opcode)], 32 - sh);
5021     tcg_gen_or_tl(t1, t0, t1);
5022     tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
5023     gen_store_spr(SPR_MQ, t1);
5024     tcg_temp_free(t0);
5025     tcg_temp_free(t1);
5026     if (unlikely(Rc(ctx->opcode) != 0))
5027         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5028 }
5029 
5030 /* slliq - slliq. */
5031 static void gen_slliq(DisasContext *ctx)
5032 {
5033     int sh = SH(ctx->opcode);
5034     TCGv t0 = tcg_temp_new();
5035     TCGv t1 = tcg_temp_new();
5036     tcg_gen_rotli_tl(t0, cpu_gpr[rS(ctx->opcode)], sh);
5037     gen_load_spr(t1, SPR_MQ);
5038     gen_store_spr(SPR_MQ, t0);
5039     tcg_gen_andi_tl(t0, t0,  (0xFFFFFFFFU << sh));
5040     tcg_gen_andi_tl(t1, t1, ~(0xFFFFFFFFU << sh));
5041     tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
5042     tcg_temp_free(t0);
5043     tcg_temp_free(t1);
5044     if (unlikely(Rc(ctx->opcode) != 0))
5045         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5046 }
5047 
5048 /* sllq - sllq. */
5049 static void gen_sllq(DisasContext *ctx)
5050 {
5051     TCGLabel *l1 = gen_new_label();
5052     TCGLabel *l2 = gen_new_label();
5053     TCGv t0 = tcg_temp_local_new();
5054     TCGv t1 = tcg_temp_local_new();
5055     TCGv t2 = tcg_temp_local_new();
5056     tcg_gen_andi_tl(t2, cpu_gpr[rB(ctx->opcode)], 0x1F);
5057     tcg_gen_movi_tl(t1, 0xFFFFFFFF);
5058     tcg_gen_shl_tl(t1, t1, t2);
5059     tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x20);
5060     tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1);
5061     gen_load_spr(t0, SPR_MQ);
5062     tcg_gen_and_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
5063     tcg_gen_br(l2);
5064     gen_set_label(l1);
5065     tcg_gen_shl_tl(t0, cpu_gpr[rS(ctx->opcode)], t2);
5066     gen_load_spr(t2, SPR_MQ);
5067     tcg_gen_andc_tl(t1, t2, t1);
5068     tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
5069     gen_set_label(l2);
5070     tcg_temp_free(t0);
5071     tcg_temp_free(t1);
5072     tcg_temp_free(t2);
5073     if (unlikely(Rc(ctx->opcode) != 0))
5074         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5075 }
5076 
5077 /* slq - slq. */
5078 static void gen_slq(DisasContext *ctx)
5079 {
5080     TCGLabel *l1 = gen_new_label();
5081     TCGv t0 = tcg_temp_new();
5082     TCGv t1 = tcg_temp_new();
5083     tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F);
5084     tcg_gen_shl_tl(t0, cpu_gpr[rS(ctx->opcode)], t1);
5085     tcg_gen_subfi_tl(t1, 32, t1);
5086     tcg_gen_shr_tl(t1, cpu_gpr[rS(ctx->opcode)], t1);
5087     tcg_gen_or_tl(t1, t0, t1);
5088     gen_store_spr(SPR_MQ, t1);
5089     tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x20);
5090     tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
5091     tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1);
5092     tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0);
5093     gen_set_label(l1);
5094     tcg_temp_free(t0);
5095     tcg_temp_free(t1);
5096     if (unlikely(Rc(ctx->opcode) != 0))
5097         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5098 }
5099 
5100 /* sraiq - sraiq. */
5101 static void gen_sraiq(DisasContext *ctx)
5102 {
5103     int sh = SH(ctx->opcode);
5104     TCGLabel *l1 = gen_new_label();
5105     TCGv t0 = tcg_temp_new();
5106     TCGv t1 = tcg_temp_new();
5107     tcg_gen_shri_tl(t0, cpu_gpr[rS(ctx->opcode)], sh);
5108     tcg_gen_shli_tl(t1, cpu_gpr[rS(ctx->opcode)], 32 - sh);
5109     tcg_gen_or_tl(t0, t0, t1);
5110     gen_store_spr(SPR_MQ, t0);
5111     tcg_gen_movi_tl(cpu_ca, 0);
5112     tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1);
5113     tcg_gen_brcondi_tl(TCG_COND_GE, cpu_gpr[rS(ctx->opcode)], 0, l1);
5114     tcg_gen_movi_tl(cpu_ca, 1);
5115     gen_set_label(l1);
5116     tcg_gen_sari_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], sh);
5117     tcg_temp_free(t0);
5118     tcg_temp_free(t1);
5119     if (unlikely(Rc(ctx->opcode) != 0))
5120         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5121 }
5122 
5123 /* sraq - sraq. */
5124 static void gen_sraq(DisasContext *ctx)
5125 {
5126     TCGLabel *l1 = gen_new_label();
5127     TCGLabel *l2 = gen_new_label();
5128     TCGv t0 = tcg_temp_new();
5129     TCGv t1 = tcg_temp_local_new();
5130     TCGv t2 = tcg_temp_local_new();
5131     tcg_gen_andi_tl(t2, cpu_gpr[rB(ctx->opcode)], 0x1F);
5132     tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t2);
5133     tcg_gen_sar_tl(t1, cpu_gpr[rS(ctx->opcode)], t2);
5134     tcg_gen_subfi_tl(t2, 32, t2);
5135     tcg_gen_shl_tl(t2, cpu_gpr[rS(ctx->opcode)], t2);
5136     tcg_gen_or_tl(t0, t0, t2);
5137     gen_store_spr(SPR_MQ, t0);
5138     tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x20);
5139     tcg_gen_brcondi_tl(TCG_COND_EQ, t2, 0, l1);
5140     tcg_gen_mov_tl(t2, cpu_gpr[rS(ctx->opcode)]);
5141     tcg_gen_sari_tl(t1, cpu_gpr[rS(ctx->opcode)], 31);
5142     gen_set_label(l1);
5143     tcg_temp_free(t0);
5144     tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t1);
5145     tcg_gen_movi_tl(cpu_ca, 0);
5146     tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l2);
5147     tcg_gen_brcondi_tl(TCG_COND_EQ, t2, 0, l2);
5148     tcg_gen_movi_tl(cpu_ca, 1);
5149     gen_set_label(l2);
5150     tcg_temp_free(t1);
5151     tcg_temp_free(t2);
5152     if (unlikely(Rc(ctx->opcode) != 0))
5153         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5154 }
5155 
5156 /* sre - sre. */
5157 static void gen_sre(DisasContext *ctx)
5158 {
5159     TCGv t0 = tcg_temp_new();
5160     TCGv t1 = tcg_temp_new();
5161     tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F);
5162     tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t1);
5163     tcg_gen_subfi_tl(t1, 32, t1);
5164     tcg_gen_shl_tl(t1, cpu_gpr[rS(ctx->opcode)], t1);
5165     tcg_gen_or_tl(t1, t0, t1);
5166     tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
5167     gen_store_spr(SPR_MQ, t1);
5168     tcg_temp_free(t0);
5169     tcg_temp_free(t1);
5170     if (unlikely(Rc(ctx->opcode) != 0))
5171         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5172 }
5173 
5174 /* srea - srea. */
5175 static void gen_srea(DisasContext *ctx)
5176 {
5177     TCGv t0 = tcg_temp_new();
5178     TCGv t1 = tcg_temp_new();
5179     tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F);
5180     tcg_gen_rotr_tl(t0, cpu_gpr[rS(ctx->opcode)], t1);
5181     gen_store_spr(SPR_MQ, t0);
5182     tcg_gen_sar_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], t1);
5183     tcg_temp_free(t0);
5184     tcg_temp_free(t1);
5185     if (unlikely(Rc(ctx->opcode) != 0))
5186         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5187 }
5188 
5189 /* sreq */
5190 static void gen_sreq(DisasContext *ctx)
5191 {
5192     TCGv t0 = tcg_temp_new();
5193     TCGv t1 = tcg_temp_new();
5194     TCGv t2 = tcg_temp_new();
5195     tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F);
5196     tcg_gen_movi_tl(t1, 0xFFFFFFFF);
5197     tcg_gen_shr_tl(t1, t1, t0);
5198     tcg_gen_rotr_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
5199     gen_load_spr(t2, SPR_MQ);
5200     gen_store_spr(SPR_MQ, t0);
5201     tcg_gen_and_tl(t0, t0, t1);
5202     tcg_gen_andc_tl(t2, t2, t1);
5203     tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t2);
5204     tcg_temp_free(t0);
5205     tcg_temp_free(t1);
5206     tcg_temp_free(t2);
5207     if (unlikely(Rc(ctx->opcode) != 0))
5208         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5209 }
5210 
5211 /* sriq */
5212 static void gen_sriq(DisasContext *ctx)
5213 {
5214     int sh = SH(ctx->opcode);
5215     TCGv t0 = tcg_temp_new();
5216     TCGv t1 = tcg_temp_new();
5217     tcg_gen_shri_tl(t0, cpu_gpr[rS(ctx->opcode)], sh);
5218     tcg_gen_shli_tl(t1, cpu_gpr[rS(ctx->opcode)], 32 - sh);
5219     tcg_gen_or_tl(t1, t0, t1);
5220     tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
5221     gen_store_spr(SPR_MQ, t1);
5222     tcg_temp_free(t0);
5223     tcg_temp_free(t1);
5224     if (unlikely(Rc(ctx->opcode) != 0))
5225         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5226 }
5227 
5228 /* srliq */
5229 static void gen_srliq(DisasContext *ctx)
5230 {
5231     int sh = SH(ctx->opcode);
5232     TCGv t0 = tcg_temp_new();
5233     TCGv t1 = tcg_temp_new();
5234     tcg_gen_rotri_tl(t0, cpu_gpr[rS(ctx->opcode)], sh);
5235     gen_load_spr(t1, SPR_MQ);
5236     gen_store_spr(SPR_MQ, t0);
5237     tcg_gen_andi_tl(t0, t0,  (0xFFFFFFFFU >> sh));
5238     tcg_gen_andi_tl(t1, t1, ~(0xFFFFFFFFU >> sh));
5239     tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
5240     tcg_temp_free(t0);
5241     tcg_temp_free(t1);
5242     if (unlikely(Rc(ctx->opcode) != 0))
5243         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5244 }
5245 
5246 /* srlq */
5247 static void gen_srlq(DisasContext *ctx)
5248 {
5249     TCGLabel *l1 = gen_new_label();
5250     TCGLabel *l2 = gen_new_label();
5251     TCGv t0 = tcg_temp_local_new();
5252     TCGv t1 = tcg_temp_local_new();
5253     TCGv t2 = tcg_temp_local_new();
5254     tcg_gen_andi_tl(t2, cpu_gpr[rB(ctx->opcode)], 0x1F);
5255     tcg_gen_movi_tl(t1, 0xFFFFFFFF);
5256     tcg_gen_shr_tl(t2, t1, t2);
5257     tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x20);
5258     tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1);
5259     gen_load_spr(t0, SPR_MQ);
5260     tcg_gen_and_tl(cpu_gpr[rA(ctx->opcode)], t0, t2);
5261     tcg_gen_br(l2);
5262     gen_set_label(l1);
5263     tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t2);
5264     tcg_gen_and_tl(t0, t0, t2);
5265     gen_load_spr(t1, SPR_MQ);
5266     tcg_gen_andc_tl(t1, t1, t2);
5267     tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
5268     gen_set_label(l2);
5269     tcg_temp_free(t0);
5270     tcg_temp_free(t1);
5271     tcg_temp_free(t2);
5272     if (unlikely(Rc(ctx->opcode) != 0))
5273         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5274 }
5275 
5276 /* srq */
5277 static void gen_srq(DisasContext *ctx)
5278 {
5279     TCGLabel *l1 = gen_new_label();
5280     TCGv t0 = tcg_temp_new();
5281     TCGv t1 = tcg_temp_new();
5282     tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F);
5283     tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t1);
5284     tcg_gen_subfi_tl(t1, 32, t1);
5285     tcg_gen_shl_tl(t1, cpu_gpr[rS(ctx->opcode)], t1);
5286     tcg_gen_or_tl(t1, t0, t1);
5287     gen_store_spr(SPR_MQ, t1);
5288     tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x20);
5289     tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
5290     tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1);
5291     tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0);
5292     gen_set_label(l1);
5293     tcg_temp_free(t0);
5294     tcg_temp_free(t1);
5295     if (unlikely(Rc(ctx->opcode) != 0))
5296         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5297 }
5298 
5299 /* PowerPC 602 specific instructions */
5300 
5301 /* dsa  */
5302 static void gen_dsa(DisasContext *ctx)
5303 {
5304     /* XXX: TODO */
5305     gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
5306 }
5307 
5308 /* esa */
5309 static void gen_esa(DisasContext *ctx)
5310 {
5311     /* XXX: TODO */
5312     gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
5313 }
5314 
5315 /* mfrom */
5316 static void gen_mfrom(DisasContext *ctx)
5317 {
5318 #if defined(CONFIG_USER_ONLY)
5319     GEN_PRIV;
5320 #else
5321     CHK_SV;
5322     gen_helper_602_mfrom(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
5323 #endif /* defined(CONFIG_USER_ONLY) */
5324 }
5325 
5326 /* 602 - 603 - G2 TLB management */
5327 
5328 /* tlbld */
5329 static void gen_tlbld_6xx(DisasContext *ctx)
5330 {
5331 #if defined(CONFIG_USER_ONLY)
5332     GEN_PRIV;
5333 #else
5334     CHK_SV;
5335     gen_helper_6xx_tlbd(cpu_env, cpu_gpr[rB(ctx->opcode)]);
5336 #endif /* defined(CONFIG_USER_ONLY) */
5337 }
5338 
5339 /* tlbli */
5340 static void gen_tlbli_6xx(DisasContext *ctx)
5341 {
5342 #if defined(CONFIG_USER_ONLY)
5343     GEN_PRIV;
5344 #else
5345     CHK_SV;
5346     gen_helper_6xx_tlbi(cpu_env, cpu_gpr[rB(ctx->opcode)]);
5347 #endif /* defined(CONFIG_USER_ONLY) */
5348 }
5349 
5350 /* 74xx TLB management */
5351 
5352 /* tlbld */
5353 static void gen_tlbld_74xx(DisasContext *ctx)
5354 {
5355 #if defined(CONFIG_USER_ONLY)
5356     GEN_PRIV;
5357 #else
5358     CHK_SV;
5359     gen_helper_74xx_tlbd(cpu_env, cpu_gpr[rB(ctx->opcode)]);
5360 #endif /* defined(CONFIG_USER_ONLY) */
5361 }
5362 
5363 /* tlbli */
5364 static void gen_tlbli_74xx(DisasContext *ctx)
5365 {
5366 #if defined(CONFIG_USER_ONLY)
5367     GEN_PRIV;
5368 #else
5369     CHK_SV;
5370     gen_helper_74xx_tlbi(cpu_env, cpu_gpr[rB(ctx->opcode)]);
5371 #endif /* defined(CONFIG_USER_ONLY) */
5372 }
5373 
5374 /* POWER instructions not in PowerPC 601 */
5375 
5376 /* clf */
5377 static void gen_clf(DisasContext *ctx)
5378 {
5379     /* Cache line flush: implemented as no-op */
5380 }
5381 
5382 /* cli */
5383 static void gen_cli(DisasContext *ctx)
5384 {
5385 #if defined(CONFIG_USER_ONLY)
5386     GEN_PRIV;
5387 #else
5388     /* Cache line invalidate: privileged and treated as no-op */
5389     CHK_SV;
5390 #endif /* defined(CONFIG_USER_ONLY) */
5391 }
5392 
5393 /* dclst */
5394 static void gen_dclst(DisasContext *ctx)
5395 {
5396     /* Data cache line store: treated as no-op */
5397 }
5398 
5399 static void gen_mfsri(DisasContext *ctx)
5400 {
5401 #if defined(CONFIG_USER_ONLY)
5402     GEN_PRIV;
5403 #else
5404     int ra = rA(ctx->opcode);
5405     int rd = rD(ctx->opcode);
5406     TCGv t0;
5407 
5408     CHK_SV;
5409     t0 = tcg_temp_new();
5410     gen_addr_reg_index(ctx, t0);
5411     tcg_gen_extract_tl(t0, t0, 28, 4);
5412     gen_helper_load_sr(cpu_gpr[rd], cpu_env, t0);
5413     tcg_temp_free(t0);
5414     if (ra != 0 && ra != rd)
5415         tcg_gen_mov_tl(cpu_gpr[ra], cpu_gpr[rd]);
5416 #endif /* defined(CONFIG_USER_ONLY) */
5417 }
5418 
5419 static void gen_rac(DisasContext *ctx)
5420 {
5421 #if defined(CONFIG_USER_ONLY)
5422     GEN_PRIV;
5423 #else
5424     TCGv t0;
5425 
5426     CHK_SV;
5427     t0 = tcg_temp_new();
5428     gen_addr_reg_index(ctx, t0);
5429     gen_helper_rac(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
5430     tcg_temp_free(t0);
5431 #endif /* defined(CONFIG_USER_ONLY) */
5432 }
5433 
5434 static void gen_rfsvc(DisasContext *ctx)
5435 {
5436 #if defined(CONFIG_USER_ONLY)
5437     GEN_PRIV;
5438 #else
5439     CHK_SV;
5440 
5441     gen_helper_rfsvc(cpu_env);
5442     gen_sync_exception(ctx);
5443 #endif /* defined(CONFIG_USER_ONLY) */
5444 }
5445 
5446 /* svc is not implemented for now */
5447 
5448 /* BookE specific instructions */
5449 
5450 /* XXX: not implemented on 440 ? */
5451 static void gen_mfapidi(DisasContext *ctx)
5452 {
5453     /* XXX: TODO */
5454     gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
5455 }
5456 
5457 /* XXX: not implemented on 440 ? */
5458 static void gen_tlbiva(DisasContext *ctx)
5459 {
5460 #if defined(CONFIG_USER_ONLY)
5461     GEN_PRIV;
5462 #else
5463     TCGv t0;
5464 
5465     CHK_SV;
5466     t0 = tcg_temp_new();
5467     gen_addr_reg_index(ctx, t0);
5468     gen_helper_tlbiva(cpu_env, cpu_gpr[rB(ctx->opcode)]);
5469     tcg_temp_free(t0);
5470 #endif /* defined(CONFIG_USER_ONLY) */
5471 }
5472 
5473 /* All 405 MAC instructions are translated here */
5474 static inline void gen_405_mulladd_insn(DisasContext *ctx, int opc2, int opc3,
5475                                         int ra, int rb, int rt, int Rc)
5476 {
5477     TCGv t0, t1;
5478 
5479     t0 = tcg_temp_local_new();
5480     t1 = tcg_temp_local_new();
5481 
5482     switch (opc3 & 0x0D) {
5483     case 0x05:
5484         /* macchw    - macchw.    - macchwo   - macchwo.   */
5485         /* macchws   - macchws.   - macchwso  - macchwso.  */
5486         /* nmacchw   - nmacchw.   - nmacchwo  - nmacchwo.  */
5487         /* nmacchws  - nmacchws.  - nmacchwso - nmacchwso. */
5488         /* mulchw - mulchw. */
5489         tcg_gen_ext16s_tl(t0, cpu_gpr[ra]);
5490         tcg_gen_sari_tl(t1, cpu_gpr[rb], 16);
5491         tcg_gen_ext16s_tl(t1, t1);
5492         break;
5493     case 0x04:
5494         /* macchwu   - macchwu.   - macchwuo  - macchwuo.  */
5495         /* macchwsu  - macchwsu.  - macchwsuo - macchwsuo. */
5496         /* mulchwu - mulchwu. */
5497         tcg_gen_ext16u_tl(t0, cpu_gpr[ra]);
5498         tcg_gen_shri_tl(t1, cpu_gpr[rb], 16);
5499         tcg_gen_ext16u_tl(t1, t1);
5500         break;
5501     case 0x01:
5502         /* machhw    - machhw.    - machhwo   - machhwo.   */
5503         /* machhws   - machhws.   - machhwso  - machhwso.  */
5504         /* nmachhw   - nmachhw.   - nmachhwo  - nmachhwo.  */
5505         /* nmachhws  - nmachhws.  - nmachhwso - nmachhwso. */
5506         /* mulhhw - mulhhw. */
5507         tcg_gen_sari_tl(t0, cpu_gpr[ra], 16);
5508         tcg_gen_ext16s_tl(t0, t0);
5509         tcg_gen_sari_tl(t1, cpu_gpr[rb], 16);
5510         tcg_gen_ext16s_tl(t1, t1);
5511         break;
5512     case 0x00:
5513         /* machhwu   - machhwu.   - machhwuo  - machhwuo.  */
5514         /* machhwsu  - machhwsu.  - machhwsuo - machhwsuo. */
5515         /* mulhhwu - mulhhwu. */
5516         tcg_gen_shri_tl(t0, cpu_gpr[ra], 16);
5517         tcg_gen_ext16u_tl(t0, t0);
5518         tcg_gen_shri_tl(t1, cpu_gpr[rb], 16);
5519         tcg_gen_ext16u_tl(t1, t1);
5520         break;
5521     case 0x0D:
5522         /* maclhw    - maclhw.    - maclhwo   - maclhwo.   */
5523         /* maclhws   - maclhws.   - maclhwso  - maclhwso.  */
5524         /* nmaclhw   - nmaclhw.   - nmaclhwo  - nmaclhwo.  */
5525         /* nmaclhws  - nmaclhws.  - nmaclhwso - nmaclhwso. */
5526         /* mullhw - mullhw. */
5527         tcg_gen_ext16s_tl(t0, cpu_gpr[ra]);
5528         tcg_gen_ext16s_tl(t1, cpu_gpr[rb]);
5529         break;
5530     case 0x0C:
5531         /* maclhwu   - maclhwu.   - maclhwuo  - maclhwuo.  */
5532         /* maclhwsu  - maclhwsu.  - maclhwsuo - maclhwsuo. */
5533         /* mullhwu - mullhwu. */
5534         tcg_gen_ext16u_tl(t0, cpu_gpr[ra]);
5535         tcg_gen_ext16u_tl(t1, cpu_gpr[rb]);
5536         break;
5537     }
5538     if (opc2 & 0x04) {
5539         /* (n)multiply-and-accumulate (0x0C / 0x0E) */
5540         tcg_gen_mul_tl(t1, t0, t1);
5541         if (opc2 & 0x02) {
5542             /* nmultiply-and-accumulate (0x0E) */
5543             tcg_gen_sub_tl(t0, cpu_gpr[rt], t1);
5544         } else {
5545             /* multiply-and-accumulate (0x0C) */
5546             tcg_gen_add_tl(t0, cpu_gpr[rt], t1);
5547         }
5548 
5549         if (opc3 & 0x12) {
5550             /* Check overflow and/or saturate */
5551             TCGLabel *l1 = gen_new_label();
5552 
5553             if (opc3 & 0x10) {
5554                 /* Start with XER OV disabled, the most likely case */
5555                 tcg_gen_movi_tl(cpu_ov, 0);
5556             }
5557             if (opc3 & 0x01) {
5558                 /* Signed */
5559                 tcg_gen_xor_tl(t1, cpu_gpr[rt], t1);
5560                 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1);
5561                 tcg_gen_xor_tl(t1, cpu_gpr[rt], t0);
5562                 tcg_gen_brcondi_tl(TCG_COND_LT, t1, 0, l1);
5563                 if (opc3 & 0x02) {
5564                     /* Saturate */
5565                     tcg_gen_sari_tl(t0, cpu_gpr[rt], 31);
5566                     tcg_gen_xori_tl(t0, t0, 0x7fffffff);
5567                 }
5568             } else {
5569                 /* Unsigned */
5570                 tcg_gen_brcond_tl(TCG_COND_GEU, t0, t1, l1);
5571                 if (opc3 & 0x02) {
5572                     /* Saturate */
5573                     tcg_gen_movi_tl(t0, UINT32_MAX);
5574                 }
5575             }
5576             if (opc3 & 0x10) {
5577                 /* Check overflow */
5578                 tcg_gen_movi_tl(cpu_ov, 1);
5579                 tcg_gen_movi_tl(cpu_so, 1);
5580             }
5581             gen_set_label(l1);
5582             tcg_gen_mov_tl(cpu_gpr[rt], t0);
5583         }
5584     } else {
5585         tcg_gen_mul_tl(cpu_gpr[rt], t0, t1);
5586     }
5587     tcg_temp_free(t0);
5588     tcg_temp_free(t1);
5589     if (unlikely(Rc) != 0) {
5590         /* Update Rc0 */
5591         gen_set_Rc0(ctx, cpu_gpr[rt]);
5592     }
5593 }
5594 
5595 #define GEN_MAC_HANDLER(name, opc2, opc3)                                     \
5596 static void glue(gen_, name)(DisasContext *ctx)                               \
5597 {                                                                             \
5598     gen_405_mulladd_insn(ctx, opc2, opc3, rA(ctx->opcode), rB(ctx->opcode),   \
5599                          rD(ctx->opcode), Rc(ctx->opcode));                   \
5600 }
5601 
5602 /* macchw    - macchw.    */
5603 GEN_MAC_HANDLER(macchw, 0x0C, 0x05);
5604 /* macchwo   - macchwo.   */
5605 GEN_MAC_HANDLER(macchwo, 0x0C, 0x15);
5606 /* macchws   - macchws.   */
5607 GEN_MAC_HANDLER(macchws, 0x0C, 0x07);
5608 /* macchwso  - macchwso.  */
5609 GEN_MAC_HANDLER(macchwso, 0x0C, 0x17);
5610 /* macchwsu  - macchwsu.  */
5611 GEN_MAC_HANDLER(macchwsu, 0x0C, 0x06);
5612 /* macchwsuo - macchwsuo. */
5613 GEN_MAC_HANDLER(macchwsuo, 0x0C, 0x16);
5614 /* macchwu   - macchwu.   */
5615 GEN_MAC_HANDLER(macchwu, 0x0C, 0x04);
5616 /* macchwuo  - macchwuo.  */
5617 GEN_MAC_HANDLER(macchwuo, 0x0C, 0x14);
5618 /* machhw    - machhw.    */
5619 GEN_MAC_HANDLER(machhw, 0x0C, 0x01);
5620 /* machhwo   - machhwo.   */
5621 GEN_MAC_HANDLER(machhwo, 0x0C, 0x11);
5622 /* machhws   - machhws.   */
5623 GEN_MAC_HANDLER(machhws, 0x0C, 0x03);
5624 /* machhwso  - machhwso.  */
5625 GEN_MAC_HANDLER(machhwso, 0x0C, 0x13);
5626 /* machhwsu  - machhwsu.  */
5627 GEN_MAC_HANDLER(machhwsu, 0x0C, 0x02);
5628 /* machhwsuo - machhwsuo. */
5629 GEN_MAC_HANDLER(machhwsuo, 0x0C, 0x12);
5630 /* machhwu   - machhwu.   */
5631 GEN_MAC_HANDLER(machhwu, 0x0C, 0x00);
5632 /* machhwuo  - machhwuo.  */
5633 GEN_MAC_HANDLER(machhwuo, 0x0C, 0x10);
5634 /* maclhw    - maclhw.    */
5635 GEN_MAC_HANDLER(maclhw, 0x0C, 0x0D);
5636 /* maclhwo   - maclhwo.   */
5637 GEN_MAC_HANDLER(maclhwo, 0x0C, 0x1D);
5638 /* maclhws   - maclhws.   */
5639 GEN_MAC_HANDLER(maclhws, 0x0C, 0x0F);
5640 /* maclhwso  - maclhwso.  */
5641 GEN_MAC_HANDLER(maclhwso, 0x0C, 0x1F);
5642 /* maclhwu   - maclhwu.   */
5643 GEN_MAC_HANDLER(maclhwu, 0x0C, 0x0C);
5644 /* maclhwuo  - maclhwuo.  */
5645 GEN_MAC_HANDLER(maclhwuo, 0x0C, 0x1C);
5646 /* maclhwsu  - maclhwsu.  */
5647 GEN_MAC_HANDLER(maclhwsu, 0x0C, 0x0E);
5648 /* maclhwsuo - maclhwsuo. */
5649 GEN_MAC_HANDLER(maclhwsuo, 0x0C, 0x1E);
5650 /* nmacchw   - nmacchw.   */
5651 GEN_MAC_HANDLER(nmacchw, 0x0E, 0x05);
5652 /* nmacchwo  - nmacchwo.  */
5653 GEN_MAC_HANDLER(nmacchwo, 0x0E, 0x15);
5654 /* nmacchws  - nmacchws.  */
5655 GEN_MAC_HANDLER(nmacchws, 0x0E, 0x07);
5656 /* nmacchwso - nmacchwso. */
5657 GEN_MAC_HANDLER(nmacchwso, 0x0E, 0x17);
5658 /* nmachhw   - nmachhw.   */
5659 GEN_MAC_HANDLER(nmachhw, 0x0E, 0x01);
5660 /* nmachhwo  - nmachhwo.  */
5661 GEN_MAC_HANDLER(nmachhwo, 0x0E, 0x11);
5662 /* nmachhws  - nmachhws.  */
5663 GEN_MAC_HANDLER(nmachhws, 0x0E, 0x03);
5664 /* nmachhwso - nmachhwso. */
5665 GEN_MAC_HANDLER(nmachhwso, 0x0E, 0x13);
5666 /* nmaclhw   - nmaclhw.   */
5667 GEN_MAC_HANDLER(nmaclhw, 0x0E, 0x0D);
5668 /* nmaclhwo  - nmaclhwo.  */
5669 GEN_MAC_HANDLER(nmaclhwo, 0x0E, 0x1D);
5670 /* nmaclhws  - nmaclhws.  */
5671 GEN_MAC_HANDLER(nmaclhws, 0x0E, 0x0F);
5672 /* nmaclhwso - nmaclhwso. */
5673 GEN_MAC_HANDLER(nmaclhwso, 0x0E, 0x1F);
5674 
5675 /* mulchw  - mulchw.  */
5676 GEN_MAC_HANDLER(mulchw, 0x08, 0x05);
5677 /* mulchwu - mulchwu. */
5678 GEN_MAC_HANDLER(mulchwu, 0x08, 0x04);
5679 /* mulhhw  - mulhhw.  */
5680 GEN_MAC_HANDLER(mulhhw, 0x08, 0x01);
5681 /* mulhhwu - mulhhwu. */
5682 GEN_MAC_HANDLER(mulhhwu, 0x08, 0x00);
5683 /* mullhw  - mullhw.  */
5684 GEN_MAC_HANDLER(mullhw, 0x08, 0x0D);
5685 /* mullhwu - mullhwu. */
5686 GEN_MAC_HANDLER(mullhwu, 0x08, 0x0C);
5687 
5688 /* mfdcr */
5689 static void gen_mfdcr(DisasContext *ctx)
5690 {
5691 #if defined(CONFIG_USER_ONLY)
5692     GEN_PRIV;
5693 #else
5694     TCGv dcrn;
5695 
5696     CHK_SV;
5697     dcrn = tcg_const_tl(SPR(ctx->opcode));
5698     gen_helper_load_dcr(cpu_gpr[rD(ctx->opcode)], cpu_env, dcrn);
5699     tcg_temp_free(dcrn);
5700 #endif /* defined(CONFIG_USER_ONLY) */
5701 }
5702 
5703 /* mtdcr */
5704 static void gen_mtdcr(DisasContext *ctx)
5705 {
5706 #if defined(CONFIG_USER_ONLY)
5707     GEN_PRIV;
5708 #else
5709     TCGv dcrn;
5710 
5711     CHK_SV;
5712     dcrn = tcg_const_tl(SPR(ctx->opcode));
5713     gen_helper_store_dcr(cpu_env, dcrn, cpu_gpr[rS(ctx->opcode)]);
5714     tcg_temp_free(dcrn);
5715 #endif /* defined(CONFIG_USER_ONLY) */
5716 }
5717 
5718 /* mfdcrx */
5719 /* XXX: not implemented on 440 ? */
5720 static void gen_mfdcrx(DisasContext *ctx)
5721 {
5722 #if defined(CONFIG_USER_ONLY)
5723     GEN_PRIV;
5724 #else
5725     CHK_SV;
5726     gen_helper_load_dcr(cpu_gpr[rD(ctx->opcode)], cpu_env,
5727                         cpu_gpr[rA(ctx->opcode)]);
5728     /* Note: Rc update flag set leads to undefined state of Rc0 */
5729 #endif /* defined(CONFIG_USER_ONLY) */
5730 }
5731 
5732 /* mtdcrx */
5733 /* XXX: not implemented on 440 ? */
5734 static void gen_mtdcrx(DisasContext *ctx)
5735 {
5736 #if defined(CONFIG_USER_ONLY)
5737     GEN_PRIV;
5738 #else
5739     CHK_SV;
5740     gen_helper_store_dcr(cpu_env, cpu_gpr[rA(ctx->opcode)],
5741                          cpu_gpr[rS(ctx->opcode)]);
5742     /* Note: Rc update flag set leads to undefined state of Rc0 */
5743 #endif /* defined(CONFIG_USER_ONLY) */
5744 }
5745 
5746 /* mfdcrux (PPC 460) : user-mode access to DCR */
5747 static void gen_mfdcrux(DisasContext *ctx)
5748 {
5749     gen_helper_load_dcr(cpu_gpr[rD(ctx->opcode)], cpu_env,
5750                         cpu_gpr[rA(ctx->opcode)]);
5751     /* Note: Rc update flag set leads to undefined state of Rc0 */
5752 }
5753 
5754 /* mtdcrux (PPC 460) : user-mode access to DCR */
5755 static void gen_mtdcrux(DisasContext *ctx)
5756 {
5757     gen_helper_store_dcr(cpu_env, cpu_gpr[rA(ctx->opcode)],
5758                          cpu_gpr[rS(ctx->opcode)]);
5759     /* Note: Rc update flag set leads to undefined state of Rc0 */
5760 }
5761 
5762 /* dccci */
5763 static void gen_dccci(DisasContext *ctx)
5764 {
5765     CHK_SV;
5766     /* interpreted as no-op */
5767 }
5768 
5769 /* dcread */
5770 static void gen_dcread(DisasContext *ctx)
5771 {
5772 #if defined(CONFIG_USER_ONLY)
5773     GEN_PRIV;
5774 #else
5775     TCGv EA, val;
5776 
5777     CHK_SV;
5778     gen_set_access_type(ctx, ACCESS_CACHE);
5779     EA = tcg_temp_new();
5780     gen_addr_reg_index(ctx, EA);
5781     val = tcg_temp_new();
5782     gen_qemu_ld32u(ctx, val, EA);
5783     tcg_temp_free(val);
5784     tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], EA);
5785     tcg_temp_free(EA);
5786 #endif /* defined(CONFIG_USER_ONLY) */
5787 }
5788 
5789 /* icbt */
5790 static void gen_icbt_40x(DisasContext *ctx)
5791 {
5792     /* interpreted as no-op */
5793     /* XXX: specification say this is treated as a load by the MMU
5794      *      but does not generate any exception
5795      */
5796 }
5797 
5798 /* iccci */
5799 static void gen_iccci(DisasContext *ctx)
5800 {
5801     CHK_SV;
5802     /* interpreted as no-op */
5803 }
5804 
5805 /* icread */
5806 static void gen_icread(DisasContext *ctx)
5807 {
5808     CHK_SV;
5809     /* interpreted as no-op */
5810 }
5811 
5812 /* rfci (supervisor only) */
5813 static void gen_rfci_40x(DisasContext *ctx)
5814 {
5815 #if defined(CONFIG_USER_ONLY)
5816     GEN_PRIV;
5817 #else
5818     CHK_SV;
5819     /* Restore CPU state */
5820     gen_helper_40x_rfci(cpu_env);
5821     gen_sync_exception(ctx);
5822 #endif /* defined(CONFIG_USER_ONLY) */
5823 }
5824 
5825 static void gen_rfci(DisasContext *ctx)
5826 {
5827 #if defined(CONFIG_USER_ONLY)
5828     GEN_PRIV;
5829 #else
5830     CHK_SV;
5831     /* Restore CPU state */
5832     gen_helper_rfci(cpu_env);
5833     gen_sync_exception(ctx);
5834 #endif /* defined(CONFIG_USER_ONLY) */
5835 }
5836 
5837 /* BookE specific */
5838 
5839 /* XXX: not implemented on 440 ? */
5840 static void gen_rfdi(DisasContext *ctx)
5841 {
5842 #if defined(CONFIG_USER_ONLY)
5843     GEN_PRIV;
5844 #else
5845     CHK_SV;
5846     /* Restore CPU state */
5847     gen_helper_rfdi(cpu_env);
5848     gen_sync_exception(ctx);
5849 #endif /* defined(CONFIG_USER_ONLY) */
5850 }
5851 
5852 /* XXX: not implemented on 440 ? */
5853 static void gen_rfmci(DisasContext *ctx)
5854 {
5855 #if defined(CONFIG_USER_ONLY)
5856     GEN_PRIV;
5857 #else
5858     CHK_SV;
5859     /* Restore CPU state */
5860     gen_helper_rfmci(cpu_env);
5861     gen_sync_exception(ctx);
5862 #endif /* defined(CONFIG_USER_ONLY) */
5863 }
5864 
5865 /* TLB management - PowerPC 405 implementation */
5866 
5867 /* tlbre */
5868 static void gen_tlbre_40x(DisasContext *ctx)
5869 {
5870 #if defined(CONFIG_USER_ONLY)
5871     GEN_PRIV;
5872 #else
5873     CHK_SV;
5874     switch (rB(ctx->opcode)) {
5875     case 0:
5876         gen_helper_4xx_tlbre_hi(cpu_gpr[rD(ctx->opcode)], cpu_env,
5877                                 cpu_gpr[rA(ctx->opcode)]);
5878         break;
5879     case 1:
5880         gen_helper_4xx_tlbre_lo(cpu_gpr[rD(ctx->opcode)], cpu_env,
5881                                 cpu_gpr[rA(ctx->opcode)]);
5882         break;
5883     default:
5884         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
5885         break;
5886     }
5887 #endif /* defined(CONFIG_USER_ONLY) */
5888 }
5889 
5890 /* tlbsx - tlbsx. */
5891 static void gen_tlbsx_40x(DisasContext *ctx)
5892 {
5893 #if defined(CONFIG_USER_ONLY)
5894     GEN_PRIV;
5895 #else
5896     TCGv t0;
5897 
5898     CHK_SV;
5899     t0 = tcg_temp_new();
5900     gen_addr_reg_index(ctx, t0);
5901     gen_helper_4xx_tlbsx(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
5902     tcg_temp_free(t0);
5903     if (Rc(ctx->opcode)) {
5904         TCGLabel *l1 = gen_new_label();
5905         tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so);
5906         tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[rD(ctx->opcode)], -1, l1);
5907         tcg_gen_ori_i32(cpu_crf[0], cpu_crf[0], 0x02);
5908         gen_set_label(l1);
5909     }
5910 #endif /* defined(CONFIG_USER_ONLY) */
5911 }
5912 
5913 /* tlbwe */
5914 static void gen_tlbwe_40x(DisasContext *ctx)
5915 {
5916 #if defined(CONFIG_USER_ONLY)
5917     GEN_PRIV;
5918 #else
5919     CHK_SV;
5920 
5921     switch (rB(ctx->opcode)) {
5922     case 0:
5923         gen_helper_4xx_tlbwe_hi(cpu_env, cpu_gpr[rA(ctx->opcode)],
5924                                 cpu_gpr[rS(ctx->opcode)]);
5925         break;
5926     case 1:
5927         gen_helper_4xx_tlbwe_lo(cpu_env, cpu_gpr[rA(ctx->opcode)],
5928                                 cpu_gpr[rS(ctx->opcode)]);
5929         break;
5930     default:
5931         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
5932         break;
5933     }
5934 #endif /* defined(CONFIG_USER_ONLY) */
5935 }
5936 
5937 /* TLB management - PowerPC 440 implementation */
5938 
5939 /* tlbre */
5940 static void gen_tlbre_440(DisasContext *ctx)
5941 {
5942 #if defined(CONFIG_USER_ONLY)
5943     GEN_PRIV;
5944 #else
5945     CHK_SV;
5946 
5947     switch (rB(ctx->opcode)) {
5948     case 0:
5949     case 1:
5950     case 2:
5951         {
5952             TCGv_i32 t0 = tcg_const_i32(rB(ctx->opcode));
5953             gen_helper_440_tlbre(cpu_gpr[rD(ctx->opcode)], cpu_env,
5954                                  t0, cpu_gpr[rA(ctx->opcode)]);
5955             tcg_temp_free_i32(t0);
5956         }
5957         break;
5958     default:
5959         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
5960         break;
5961     }
5962 #endif /* defined(CONFIG_USER_ONLY) */
5963 }
5964 
5965 /* tlbsx - tlbsx. */
5966 static void gen_tlbsx_440(DisasContext *ctx)
5967 {
5968 #if defined(CONFIG_USER_ONLY)
5969     GEN_PRIV;
5970 #else
5971     TCGv t0;
5972 
5973     CHK_SV;
5974     t0 = tcg_temp_new();
5975     gen_addr_reg_index(ctx, t0);
5976     gen_helper_440_tlbsx(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
5977     tcg_temp_free(t0);
5978     if (Rc(ctx->opcode)) {
5979         TCGLabel *l1 = gen_new_label();
5980         tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so);
5981         tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[rD(ctx->opcode)], -1, l1);
5982         tcg_gen_ori_i32(cpu_crf[0], cpu_crf[0], 0x02);
5983         gen_set_label(l1);
5984     }
5985 #endif /* defined(CONFIG_USER_ONLY) */
5986 }
5987 
5988 /* tlbwe */
5989 static void gen_tlbwe_440(DisasContext *ctx)
5990 {
5991 #if defined(CONFIG_USER_ONLY)
5992     GEN_PRIV;
5993 #else
5994     CHK_SV;
5995     switch (rB(ctx->opcode)) {
5996     case 0:
5997     case 1:
5998     case 2:
5999         {
6000             TCGv_i32 t0 = tcg_const_i32(rB(ctx->opcode));
6001             gen_helper_440_tlbwe(cpu_env, t0, cpu_gpr[rA(ctx->opcode)],
6002                                  cpu_gpr[rS(ctx->opcode)]);
6003             tcg_temp_free_i32(t0);
6004         }
6005         break;
6006     default:
6007         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
6008         break;
6009     }
6010 #endif /* defined(CONFIG_USER_ONLY) */
6011 }
6012 
6013 /* TLB management - PowerPC BookE 2.06 implementation */
6014 
6015 /* tlbre */
6016 static void gen_tlbre_booke206(DisasContext *ctx)
6017 {
6018  #if defined(CONFIG_USER_ONLY)
6019     GEN_PRIV;
6020 #else
6021    CHK_SV;
6022     gen_helper_booke206_tlbre(cpu_env);
6023 #endif /* defined(CONFIG_USER_ONLY) */
6024 }
6025 
6026 /* tlbsx - tlbsx. */
6027 static void gen_tlbsx_booke206(DisasContext *ctx)
6028 {
6029 #if defined(CONFIG_USER_ONLY)
6030     GEN_PRIV;
6031 #else
6032     TCGv t0;
6033 
6034     CHK_SV;
6035     if (rA(ctx->opcode)) {
6036         t0 = tcg_temp_new();
6037         tcg_gen_mov_tl(t0, cpu_gpr[rD(ctx->opcode)]);
6038     } else {
6039         t0 = tcg_const_tl(0);
6040     }
6041 
6042     tcg_gen_add_tl(t0, t0, cpu_gpr[rB(ctx->opcode)]);
6043     gen_helper_booke206_tlbsx(cpu_env, t0);
6044     tcg_temp_free(t0);
6045 #endif /* defined(CONFIG_USER_ONLY) */
6046 }
6047 
6048 /* tlbwe */
6049 static void gen_tlbwe_booke206(DisasContext *ctx)
6050 {
6051 #if defined(CONFIG_USER_ONLY)
6052     GEN_PRIV;
6053 #else
6054     CHK_SV;
6055     gen_helper_booke206_tlbwe(cpu_env);
6056 #endif /* defined(CONFIG_USER_ONLY) */
6057 }
6058 
6059 static void gen_tlbivax_booke206(DisasContext *ctx)
6060 {
6061 #if defined(CONFIG_USER_ONLY)
6062     GEN_PRIV;
6063 #else
6064     TCGv t0;
6065 
6066     CHK_SV;
6067     t0 = tcg_temp_new();
6068     gen_addr_reg_index(ctx, t0);
6069     gen_helper_booke206_tlbivax(cpu_env, t0);
6070     tcg_temp_free(t0);
6071 #endif /* defined(CONFIG_USER_ONLY) */
6072 }
6073 
6074 static void gen_tlbilx_booke206(DisasContext *ctx)
6075 {
6076 #if defined(CONFIG_USER_ONLY)
6077     GEN_PRIV;
6078 #else
6079     TCGv t0;
6080 
6081     CHK_SV;
6082     t0 = tcg_temp_new();
6083     gen_addr_reg_index(ctx, t0);
6084 
6085     switch((ctx->opcode >> 21) & 0x3) {
6086     case 0:
6087         gen_helper_booke206_tlbilx0(cpu_env, t0);
6088         break;
6089     case 1:
6090         gen_helper_booke206_tlbilx1(cpu_env, t0);
6091         break;
6092     case 3:
6093         gen_helper_booke206_tlbilx3(cpu_env, t0);
6094         break;
6095     default:
6096         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
6097         break;
6098     }
6099 
6100     tcg_temp_free(t0);
6101 #endif /* defined(CONFIG_USER_ONLY) */
6102 }
6103 
6104 
6105 /* wrtee */
6106 static void gen_wrtee(DisasContext *ctx)
6107 {
6108 #if defined(CONFIG_USER_ONLY)
6109     GEN_PRIV;
6110 #else
6111     TCGv t0;
6112 
6113     CHK_SV;
6114     t0 = tcg_temp_new();
6115     tcg_gen_andi_tl(t0, cpu_gpr[rD(ctx->opcode)], (1 << MSR_EE));
6116     tcg_gen_andi_tl(cpu_msr, cpu_msr, ~(1 << MSR_EE));
6117     tcg_gen_or_tl(cpu_msr, cpu_msr, t0);
6118     tcg_temp_free(t0);
6119     /* Stop translation to have a chance to raise an exception
6120      * if we just set msr_ee to 1
6121      */
6122     gen_stop_exception(ctx);
6123 #endif /* defined(CONFIG_USER_ONLY) */
6124 }
6125 
6126 /* wrteei */
6127 static void gen_wrteei(DisasContext *ctx)
6128 {
6129 #if defined(CONFIG_USER_ONLY)
6130     GEN_PRIV;
6131 #else
6132     CHK_SV;
6133     if (ctx->opcode & 0x00008000) {
6134         tcg_gen_ori_tl(cpu_msr, cpu_msr, (1 << MSR_EE));
6135         /* Stop translation to have a chance to raise an exception */
6136         gen_stop_exception(ctx);
6137     } else {
6138         tcg_gen_andi_tl(cpu_msr, cpu_msr, ~(1 << MSR_EE));
6139     }
6140 #endif /* defined(CONFIG_USER_ONLY) */
6141 }
6142 
6143 /* PowerPC 440 specific instructions */
6144 
6145 /* dlmzb */
6146 static void gen_dlmzb(DisasContext *ctx)
6147 {
6148     TCGv_i32 t0 = tcg_const_i32(Rc(ctx->opcode));
6149     gen_helper_dlmzb(cpu_gpr[rA(ctx->opcode)], cpu_env,
6150                      cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], t0);
6151     tcg_temp_free_i32(t0);
6152 }
6153 
6154 /* mbar replaces eieio on 440 */
6155 static void gen_mbar(DisasContext *ctx)
6156 {
6157     /* interpreted as no-op */
6158 }
6159 
6160 /* msync replaces sync on 440 */
6161 static void gen_msync_4xx(DisasContext *ctx)
6162 {
6163     /* interpreted as no-op */
6164 }
6165 
6166 /* icbt */
6167 static void gen_icbt_440(DisasContext *ctx)
6168 {
6169     /* interpreted as no-op */
6170     /* XXX: specification say this is treated as a load by the MMU
6171      *      but does not generate any exception
6172      */
6173 }
6174 
6175 /* Embedded.Processor Control */
6176 
6177 static void gen_msgclr(DisasContext *ctx)
6178 {
6179 #if defined(CONFIG_USER_ONLY)
6180     GEN_PRIV;
6181 #else
6182     CHK_SV;
6183     gen_helper_msgclr(cpu_env, cpu_gpr[rB(ctx->opcode)]);
6184 #endif /* defined(CONFIG_USER_ONLY) */
6185 }
6186 
6187 static void gen_msgsnd(DisasContext *ctx)
6188 {
6189 #if defined(CONFIG_USER_ONLY)
6190     GEN_PRIV;
6191 #else
6192     CHK_SV;
6193     gen_helper_msgsnd(cpu_gpr[rB(ctx->opcode)]);
6194 #endif /* defined(CONFIG_USER_ONLY) */
6195 }
6196 
6197 
6198 #if defined(TARGET_PPC64)
6199 static void gen_maddld(DisasContext *ctx)
6200 {
6201     TCGv_i64 t1 = tcg_temp_new_i64();
6202 
6203     tcg_gen_mul_i64(t1, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
6204     tcg_gen_add_i64(cpu_gpr[rD(ctx->opcode)], t1, cpu_gpr[rC(ctx->opcode)]);
6205     tcg_temp_free_i64(t1);
6206 }
6207 
6208 /* maddhd maddhdu */
6209 static void gen_maddhd_maddhdu(DisasContext *ctx)
6210 {
6211     TCGv_i64 lo = tcg_temp_new_i64();
6212     TCGv_i64 hi = tcg_temp_new_i64();
6213     TCGv_i64 t1 = tcg_temp_new_i64();
6214 
6215     if (Rc(ctx->opcode)) {
6216         tcg_gen_mulu2_i64(lo, hi, cpu_gpr[rA(ctx->opcode)],
6217                           cpu_gpr[rB(ctx->opcode)]);
6218         tcg_gen_movi_i64(t1, 0);
6219     } else {
6220         tcg_gen_muls2_i64(lo, hi, cpu_gpr[rA(ctx->opcode)],
6221                           cpu_gpr[rB(ctx->opcode)]);
6222         tcg_gen_sari_i64(t1, cpu_gpr[rC(ctx->opcode)], 63);
6223     }
6224     tcg_gen_add2_i64(t1, cpu_gpr[rD(ctx->opcode)], lo, hi,
6225                      cpu_gpr[rC(ctx->opcode)], t1);
6226     tcg_temp_free_i64(lo);
6227     tcg_temp_free_i64(hi);
6228     tcg_temp_free_i64(t1);
6229 }
6230 #endif /* defined(TARGET_PPC64) */
6231 
6232 static void gen_tbegin(DisasContext *ctx)
6233 {
6234     if (unlikely(!ctx->tm_enabled)) {
6235         gen_exception_err(ctx, POWERPC_EXCP_FU, FSCR_IC_TM);
6236         return;
6237     }
6238     gen_helper_tbegin(cpu_env);
6239 }
6240 
6241 #define GEN_TM_NOOP(name)                                      \
6242 static inline void gen_##name(DisasContext *ctx)               \
6243 {                                                              \
6244     if (unlikely(!ctx->tm_enabled)) {                          \
6245         gen_exception_err(ctx, POWERPC_EXCP_FU, FSCR_IC_TM);   \
6246         return;                                                \
6247     }                                                          \
6248     /* Because tbegin always fails in QEMU, these user         \
6249      * space instructions all have a simple implementation:    \
6250      *                                                         \
6251      *     CR[0] = 0b0 || MSR[TS] || 0b0                       \
6252      *           = 0b0 || 0b00    || 0b0                       \
6253      */                                                        \
6254     tcg_gen_movi_i32(cpu_crf[0], 0);                           \
6255 }
6256 
6257 GEN_TM_NOOP(tend);
6258 GEN_TM_NOOP(tabort);
6259 GEN_TM_NOOP(tabortwc);
6260 GEN_TM_NOOP(tabortwci);
6261 GEN_TM_NOOP(tabortdc);
6262 GEN_TM_NOOP(tabortdci);
6263 GEN_TM_NOOP(tsr);
6264 static inline void gen_cp_abort(DisasContext *ctx)
6265 {
6266     // Do Nothing
6267 }
6268 
6269 #define GEN_CP_PASTE_NOOP(name)                           \
6270 static inline void gen_##name(DisasContext *ctx)          \
6271 {                                                         \
6272     /* Generate invalid exception until                   \
6273      * we have an implementation of the copy              \
6274      * paste facility                                     \
6275      */                                                   \
6276     gen_invalid(ctx);                                     \
6277 }
6278 
6279 GEN_CP_PASTE_NOOP(copy)
6280 GEN_CP_PASTE_NOOP(paste)
6281 
6282 static void gen_tcheck(DisasContext *ctx)
6283 {
6284     if (unlikely(!ctx->tm_enabled)) {
6285         gen_exception_err(ctx, POWERPC_EXCP_FU, FSCR_IC_TM);
6286         return;
6287     }
6288     /* Because tbegin always fails, the tcheck implementation
6289      * is simple:
6290      *
6291      * CR[CRF] = TDOOMED || MSR[TS] || 0b0
6292      *         = 0b1 || 0b00 || 0b0
6293      */
6294     tcg_gen_movi_i32(cpu_crf[crfD(ctx->opcode)], 0x8);
6295 }
6296 
6297 #if defined(CONFIG_USER_ONLY)
6298 #define GEN_TM_PRIV_NOOP(name)                                 \
6299 static inline void gen_##name(DisasContext *ctx)               \
6300 {                                                              \
6301     gen_priv_exception(ctx, POWERPC_EXCP_PRIV_OPC);           \
6302 }
6303 
6304 #else
6305 
6306 #define GEN_TM_PRIV_NOOP(name)                                 \
6307 static inline void gen_##name(DisasContext *ctx)               \
6308 {                                                              \
6309     CHK_SV;                                                    \
6310     if (unlikely(!ctx->tm_enabled)) {                          \
6311         gen_exception_err(ctx, POWERPC_EXCP_FU, FSCR_IC_TM);   \
6312         return;                                                \
6313     }                                                          \
6314     /* Because tbegin always fails, the implementation is      \
6315      * simple:                                                 \
6316      *                                                         \
6317      *   CR[0] = 0b0 || MSR[TS] || 0b0                         \
6318      *         = 0b0 || 0b00 | 0b0                             \
6319      */                                                        \
6320     tcg_gen_movi_i32(cpu_crf[0], 0);                           \
6321 }
6322 
6323 #endif
6324 
6325 GEN_TM_PRIV_NOOP(treclaim);
6326 GEN_TM_PRIV_NOOP(trechkpt);
6327 
6328 #include "translate/fp-impl.inc.c"
6329 
6330 #include "translate/vmx-impl.inc.c"
6331 
6332 #include "translate/vsx-impl.inc.c"
6333 
6334 #include "translate/dfp-impl.inc.c"
6335 
6336 #include "translate/spe-impl.inc.c"
6337 
6338 /* Handles lfdp, lxsd, lxssp */
6339 static void gen_dform39(DisasContext *ctx)
6340 {
6341     switch (ctx->opcode & 0x3) {
6342     case 0: /* lfdp */
6343         if (ctx->insns_flags2 & PPC2_ISA205) {
6344             return gen_lfdp(ctx);
6345         }
6346         break;
6347     case 2: /* lxsd */
6348         if (ctx->insns_flags2 & PPC2_ISA300) {
6349             return gen_lxsd(ctx);
6350         }
6351         break;
6352     case 3: /* lxssp */
6353         if (ctx->insns_flags2 & PPC2_ISA300) {
6354             return gen_lxssp(ctx);
6355         }
6356         break;
6357     }
6358     return gen_invalid(ctx);
6359 }
6360 
6361 /* handles stfdp, lxv, stxsd, stxssp lxvx */
6362 static void gen_dform3D(DisasContext *ctx)
6363 {
6364     if ((ctx->opcode & 3) == 1) { /* DQ-FORM */
6365         switch (ctx->opcode & 0x7) {
6366         case 1: /* lxv */
6367             if (ctx->insns_flags2 & PPC2_ISA300) {
6368                 return gen_lxv(ctx);
6369             }
6370             break;
6371         case 5: /* stxv */
6372             if (ctx->insns_flags2 & PPC2_ISA300) {
6373                 return gen_stxv(ctx);
6374             }
6375             break;
6376         }
6377     } else { /* DS-FORM */
6378         switch (ctx->opcode & 0x3) {
6379         case 0: /* stfdp */
6380             if (ctx->insns_flags2 & PPC2_ISA205) {
6381                 return gen_stfdp(ctx);
6382             }
6383             break;
6384         case 2: /* stxsd */
6385             if (ctx->insns_flags2 & PPC2_ISA300) {
6386                 return gen_stxsd(ctx);
6387             }
6388             break;
6389         case 3: /* stxssp */
6390             if (ctx->insns_flags2 & PPC2_ISA300) {
6391                 return gen_stxssp(ctx);
6392             }
6393             break;
6394         }
6395     }
6396     return gen_invalid(ctx);
6397 }
6398 
6399 static opcode_t opcodes[] = {
6400 GEN_HANDLER(invalid, 0x00, 0x00, 0x00, 0xFFFFFFFF, PPC_NONE),
6401 GEN_HANDLER(cmp, 0x1F, 0x00, 0x00, 0x00400000, PPC_INTEGER),
6402 GEN_HANDLER(cmpi, 0x0B, 0xFF, 0xFF, 0x00400000, PPC_INTEGER),
6403 GEN_HANDLER(cmpl, 0x1F, 0x00, 0x01, 0x00400001, PPC_INTEGER),
6404 GEN_HANDLER(cmpli, 0x0A, 0xFF, 0xFF, 0x00400000, PPC_INTEGER),
6405 #if defined(TARGET_PPC64)
6406 GEN_HANDLER_E(cmpeqb, 0x1F, 0x00, 0x07, 0x00600000, PPC_NONE, PPC2_ISA300),
6407 #endif
6408 GEN_HANDLER_E(cmpb, 0x1F, 0x1C, 0x0F, 0x00000001, PPC_NONE, PPC2_ISA205),
6409 GEN_HANDLER_E(cmprb, 0x1F, 0x00, 0x06, 0x00400001, PPC_NONE, PPC2_ISA300),
6410 GEN_HANDLER(isel, 0x1F, 0x0F, 0xFF, 0x00000001, PPC_ISEL),
6411 GEN_HANDLER(addi, 0x0E, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6412 GEN_HANDLER(addic, 0x0C, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6413 GEN_HANDLER2(addic_, "addic.", 0x0D, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6414 GEN_HANDLER(addis, 0x0F, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6415 GEN_HANDLER_E(addpcis, 0x13, 0x2, 0xFF, 0x00000000, PPC_NONE, PPC2_ISA300),
6416 GEN_HANDLER(mulhw, 0x1F, 0x0B, 0x02, 0x00000400, PPC_INTEGER),
6417 GEN_HANDLER(mulhwu, 0x1F, 0x0B, 0x00, 0x00000400, PPC_INTEGER),
6418 GEN_HANDLER(mullw, 0x1F, 0x0B, 0x07, 0x00000000, PPC_INTEGER),
6419 GEN_HANDLER(mullwo, 0x1F, 0x0B, 0x17, 0x00000000, PPC_INTEGER),
6420 GEN_HANDLER(mulli, 0x07, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6421 #if defined(TARGET_PPC64)
6422 GEN_HANDLER(mulld, 0x1F, 0x09, 0x07, 0x00000000, PPC_64B),
6423 #endif
6424 GEN_HANDLER(neg, 0x1F, 0x08, 0x03, 0x0000F800, PPC_INTEGER),
6425 GEN_HANDLER(nego, 0x1F, 0x08, 0x13, 0x0000F800, PPC_INTEGER),
6426 GEN_HANDLER(subfic, 0x08, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6427 GEN_HANDLER2(andi_, "andi.", 0x1C, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6428 GEN_HANDLER2(andis_, "andis.", 0x1D, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6429 GEN_HANDLER(cntlzw, 0x1F, 0x1A, 0x00, 0x00000000, PPC_INTEGER),
6430 GEN_HANDLER_E(cnttzw, 0x1F, 0x1A, 0x10, 0x00000000, PPC_NONE, PPC2_ISA300),
6431 GEN_HANDLER_E(copy, 0x1F, 0x06, 0x18, 0x03C00001, PPC_NONE, PPC2_ISA300),
6432 GEN_HANDLER_E(cp_abort, 0x1F, 0x06, 0x1A, 0x03FFF801, PPC_NONE, PPC2_ISA300),
6433 GEN_HANDLER_E(paste, 0x1F, 0x06, 0x1C, 0x03C00000, PPC_NONE, PPC2_ISA300),
6434 GEN_HANDLER(or, 0x1F, 0x1C, 0x0D, 0x00000000, PPC_INTEGER),
6435 GEN_HANDLER(xor, 0x1F, 0x1C, 0x09, 0x00000000, PPC_INTEGER),
6436 GEN_HANDLER(ori, 0x18, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6437 GEN_HANDLER(oris, 0x19, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6438 GEN_HANDLER(xori, 0x1A, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6439 GEN_HANDLER(xoris, 0x1B, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6440 GEN_HANDLER(popcntb, 0x1F, 0x1A, 0x03, 0x0000F801, PPC_POPCNTB),
6441 GEN_HANDLER(popcntw, 0x1F, 0x1A, 0x0b, 0x0000F801, PPC_POPCNTWD),
6442 GEN_HANDLER_E(prtyw, 0x1F, 0x1A, 0x04, 0x0000F801, PPC_NONE, PPC2_ISA205),
6443 #if defined(TARGET_PPC64)
6444 GEN_HANDLER(popcntd, 0x1F, 0x1A, 0x0F, 0x0000F801, PPC_POPCNTWD),
6445 GEN_HANDLER(cntlzd, 0x1F, 0x1A, 0x01, 0x00000000, PPC_64B),
6446 GEN_HANDLER_E(cnttzd, 0x1F, 0x1A, 0x11, 0x00000000, PPC_NONE, PPC2_ISA300),
6447 GEN_HANDLER_E(darn, 0x1F, 0x13, 0x17, 0x001CF801, PPC_NONE, PPC2_ISA300),
6448 GEN_HANDLER_E(prtyd, 0x1F, 0x1A, 0x05, 0x0000F801, PPC_NONE, PPC2_ISA205),
6449 GEN_HANDLER_E(bpermd, 0x1F, 0x1C, 0x07, 0x00000001, PPC_NONE, PPC2_PERM_ISA206),
6450 #endif
6451 GEN_HANDLER(rlwimi, 0x14, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6452 GEN_HANDLER(rlwinm, 0x15, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6453 GEN_HANDLER(rlwnm, 0x17, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6454 GEN_HANDLER(slw, 0x1F, 0x18, 0x00, 0x00000000, PPC_INTEGER),
6455 GEN_HANDLER(sraw, 0x1F, 0x18, 0x18, 0x00000000, PPC_INTEGER),
6456 GEN_HANDLER(srawi, 0x1F, 0x18, 0x19, 0x00000000, PPC_INTEGER),
6457 GEN_HANDLER(srw, 0x1F, 0x18, 0x10, 0x00000000, PPC_INTEGER),
6458 #if defined(TARGET_PPC64)
6459 GEN_HANDLER(sld, 0x1F, 0x1B, 0x00, 0x00000000, PPC_64B),
6460 GEN_HANDLER(srad, 0x1F, 0x1A, 0x18, 0x00000000, PPC_64B),
6461 GEN_HANDLER2(sradi0, "sradi", 0x1F, 0x1A, 0x19, 0x00000000, PPC_64B),
6462 GEN_HANDLER2(sradi1, "sradi", 0x1F, 0x1B, 0x19, 0x00000000, PPC_64B),
6463 GEN_HANDLER(srd, 0x1F, 0x1B, 0x10, 0x00000000, PPC_64B),
6464 GEN_HANDLER2_E(extswsli0, "extswsli", 0x1F, 0x1A, 0x1B, 0x00000000,
6465                PPC_NONE, PPC2_ISA300),
6466 GEN_HANDLER2_E(extswsli1, "extswsli", 0x1F, 0x1B, 0x1B, 0x00000000,
6467                PPC_NONE, PPC2_ISA300),
6468 #endif
6469 #if defined(TARGET_PPC64)
6470 GEN_HANDLER(ld, 0x3A, 0xFF, 0xFF, 0x00000000, PPC_64B),
6471 GEN_HANDLER(lq, 0x38, 0xFF, 0xFF, 0x00000000, PPC_64BX),
6472 GEN_HANDLER(std, 0x3E, 0xFF, 0xFF, 0x00000000, PPC_64B),
6473 #endif
6474 /* handles lfdp, lxsd, lxssp */
6475 GEN_HANDLER_E(dform39, 0x39, 0xFF, 0xFF, 0x00000000, PPC_NONE, PPC2_ISA205),
6476 /* handles stfdp, lxv, stxsd, stxssp, stxv */
6477 GEN_HANDLER_E(dform3D, 0x3D, 0xFF, 0xFF, 0x00000000, PPC_NONE, PPC2_ISA205),
6478 GEN_HANDLER(lmw, 0x2E, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6479 GEN_HANDLER(stmw, 0x2F, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6480 GEN_HANDLER(lswi, 0x1F, 0x15, 0x12, 0x00000001, PPC_STRING),
6481 GEN_HANDLER(lswx, 0x1F, 0x15, 0x10, 0x00000001, PPC_STRING),
6482 GEN_HANDLER(stswi, 0x1F, 0x15, 0x16, 0x00000001, PPC_STRING),
6483 GEN_HANDLER(stswx, 0x1F, 0x15, 0x14, 0x00000001, PPC_STRING),
6484 GEN_HANDLER(eieio, 0x1F, 0x16, 0x1A, 0x03FFF801, PPC_MEM_EIEIO),
6485 GEN_HANDLER(isync, 0x13, 0x16, 0x04, 0x03FFF801, PPC_MEM),
6486 GEN_HANDLER_E(lbarx, 0x1F, 0x14, 0x01, 0, PPC_NONE, PPC2_ATOMIC_ISA206),
6487 GEN_HANDLER_E(lharx, 0x1F, 0x14, 0x03, 0, PPC_NONE, PPC2_ATOMIC_ISA206),
6488 GEN_HANDLER(lwarx, 0x1F, 0x14, 0x00, 0x00000000, PPC_RES),
6489 GEN_HANDLER_E(lwat, 0x1F, 0x06, 0x12, 0x00000001, PPC_NONE, PPC2_ISA300),
6490 GEN_HANDLER_E(stwat, 0x1F, 0x06, 0x16, 0x00000001, PPC_NONE, PPC2_ISA300),
6491 GEN_HANDLER_E(stbcx_, 0x1F, 0x16, 0x15, 0, PPC_NONE, PPC2_ATOMIC_ISA206),
6492 GEN_HANDLER_E(sthcx_, 0x1F, 0x16, 0x16, 0, PPC_NONE, PPC2_ATOMIC_ISA206),
6493 GEN_HANDLER2(stwcx_, "stwcx.", 0x1F, 0x16, 0x04, 0x00000000, PPC_RES),
6494 #if defined(TARGET_PPC64)
6495 GEN_HANDLER_E(ldat, 0x1F, 0x06, 0x13, 0x00000001, PPC_NONE, PPC2_ISA300),
6496 GEN_HANDLER_E(stdat, 0x1F, 0x06, 0x17, 0x00000001, PPC_NONE, PPC2_ISA300),
6497 GEN_HANDLER(ldarx, 0x1F, 0x14, 0x02, 0x00000000, PPC_64B),
6498 GEN_HANDLER_E(lqarx, 0x1F, 0x14, 0x08, 0, PPC_NONE, PPC2_LSQ_ISA207),
6499 GEN_HANDLER2(stdcx_, "stdcx.", 0x1F, 0x16, 0x06, 0x00000000, PPC_64B),
6500 GEN_HANDLER_E(stqcx_, 0x1F, 0x16, 0x05, 0, PPC_NONE, PPC2_LSQ_ISA207),
6501 #endif
6502 GEN_HANDLER(sync, 0x1F, 0x16, 0x12, 0x039FF801, PPC_MEM_SYNC),
6503 GEN_HANDLER(wait, 0x1F, 0x1E, 0x01, 0x03FFF801, PPC_WAIT),
6504 GEN_HANDLER_E(wait, 0x1F, 0x1E, 0x00, 0x039FF801, PPC_NONE, PPC2_ISA300),
6505 GEN_HANDLER(b, 0x12, 0xFF, 0xFF, 0x00000000, PPC_FLOW),
6506 GEN_HANDLER(bc, 0x10, 0xFF, 0xFF, 0x00000000, PPC_FLOW),
6507 GEN_HANDLER(bcctr, 0x13, 0x10, 0x10, 0x00000000, PPC_FLOW),
6508 GEN_HANDLER(bclr, 0x13, 0x10, 0x00, 0x00000000, PPC_FLOW),
6509 GEN_HANDLER_E(bctar, 0x13, 0x10, 0x11, 0x0000E000, PPC_NONE, PPC2_BCTAR_ISA207),
6510 GEN_HANDLER(mcrf, 0x13, 0x00, 0xFF, 0x00000001, PPC_INTEGER),
6511 GEN_HANDLER(rfi, 0x13, 0x12, 0x01, 0x03FF8001, PPC_FLOW),
6512 #if defined(TARGET_PPC64)
6513 GEN_HANDLER(rfid, 0x13, 0x12, 0x00, 0x03FF8001, PPC_64B),
6514 GEN_HANDLER_E(stop, 0x13, 0x12, 0x0b, 0x03FFF801, PPC_NONE, PPC2_ISA300),
6515 GEN_HANDLER_E(doze, 0x13, 0x12, 0x0c, 0x03FFF801, PPC_NONE, PPC2_PM_ISA206),
6516 GEN_HANDLER_E(nap, 0x13, 0x12, 0x0d, 0x03FFF801, PPC_NONE, PPC2_PM_ISA206),
6517 GEN_HANDLER_E(sleep, 0x13, 0x12, 0x0e, 0x03FFF801, PPC_NONE, PPC2_PM_ISA206),
6518 GEN_HANDLER_E(rvwinkle, 0x13, 0x12, 0x0f, 0x03FFF801, PPC_NONE, PPC2_PM_ISA206),
6519 GEN_HANDLER(hrfid, 0x13, 0x12, 0x08, 0x03FF8001, PPC_64H),
6520 #endif
6521 GEN_HANDLER(sc, 0x11, 0xFF, 0xFF, 0x03FFF01D, PPC_FLOW),
6522 GEN_HANDLER(tw, 0x1F, 0x04, 0x00, 0x00000001, PPC_FLOW),
6523 GEN_HANDLER(twi, 0x03, 0xFF, 0xFF, 0x00000000, PPC_FLOW),
6524 #if defined(TARGET_PPC64)
6525 GEN_HANDLER(td, 0x1F, 0x04, 0x02, 0x00000001, PPC_64B),
6526 GEN_HANDLER(tdi, 0x02, 0xFF, 0xFF, 0x00000000, PPC_64B),
6527 #endif
6528 GEN_HANDLER(mcrxr, 0x1F, 0x00, 0x10, 0x007FF801, PPC_MISC),
6529 GEN_HANDLER(mfcr, 0x1F, 0x13, 0x00, 0x00000801, PPC_MISC),
6530 GEN_HANDLER(mfmsr, 0x1F, 0x13, 0x02, 0x001FF801, PPC_MISC),
6531 GEN_HANDLER(mfspr, 0x1F, 0x13, 0x0A, 0x00000001, PPC_MISC),
6532 GEN_HANDLER(mftb, 0x1F, 0x13, 0x0B, 0x00000001, PPC_MFTB),
6533 GEN_HANDLER(mtcrf, 0x1F, 0x10, 0x04, 0x00000801, PPC_MISC),
6534 #if defined(TARGET_PPC64)
6535 GEN_HANDLER(mtmsrd, 0x1F, 0x12, 0x05, 0x001EF801, PPC_64B),
6536 GEN_HANDLER_E(setb, 0x1F, 0x00, 0x04, 0x0003F801, PPC_NONE, PPC2_ISA300),
6537 GEN_HANDLER_E(mcrxrx, 0x1F, 0x00, 0x12, 0x007FF801, PPC_NONE, PPC2_ISA300),
6538 #endif
6539 GEN_HANDLER(mtmsr, 0x1F, 0x12, 0x04, 0x001EF801, PPC_MISC),
6540 GEN_HANDLER(mtspr, 0x1F, 0x13, 0x0E, 0x00000000, PPC_MISC),
6541 GEN_HANDLER(dcbf, 0x1F, 0x16, 0x02, 0x03C00001, PPC_CACHE),
6542 GEN_HANDLER(dcbi, 0x1F, 0x16, 0x0E, 0x03E00001, PPC_CACHE),
6543 GEN_HANDLER(dcbst, 0x1F, 0x16, 0x01, 0x03E00001, PPC_CACHE),
6544 GEN_HANDLER(dcbt, 0x1F, 0x16, 0x08, 0x00000001, PPC_CACHE),
6545 GEN_HANDLER(dcbtst, 0x1F, 0x16, 0x07, 0x00000001, PPC_CACHE),
6546 GEN_HANDLER_E(dcbtls, 0x1F, 0x06, 0x05, 0x02000001, PPC_BOOKE, PPC2_BOOKE206),
6547 GEN_HANDLER(dcbz, 0x1F, 0x16, 0x1F, 0x03C00001, PPC_CACHE_DCBZ),
6548 GEN_HANDLER(dst, 0x1F, 0x16, 0x0A, 0x01800001, PPC_ALTIVEC),
6549 GEN_HANDLER(dstst, 0x1F, 0x16, 0x0B, 0x02000001, PPC_ALTIVEC),
6550 GEN_HANDLER(dss, 0x1F, 0x16, 0x19, 0x019FF801, PPC_ALTIVEC),
6551 GEN_HANDLER(icbi, 0x1F, 0x16, 0x1E, 0x03E00001, PPC_CACHE_ICBI),
6552 GEN_HANDLER(dcba, 0x1F, 0x16, 0x17, 0x03E00001, PPC_CACHE_DCBA),
6553 GEN_HANDLER(mfsr, 0x1F, 0x13, 0x12, 0x0010F801, PPC_SEGMENT),
6554 GEN_HANDLER(mfsrin, 0x1F, 0x13, 0x14, 0x001F0001, PPC_SEGMENT),
6555 GEN_HANDLER(mtsr, 0x1F, 0x12, 0x06, 0x0010F801, PPC_SEGMENT),
6556 GEN_HANDLER(mtsrin, 0x1F, 0x12, 0x07, 0x001F0001, PPC_SEGMENT),
6557 #if defined(TARGET_PPC64)
6558 GEN_HANDLER2(mfsr_64b, "mfsr", 0x1F, 0x13, 0x12, 0x0010F801, PPC_SEGMENT_64B),
6559 GEN_HANDLER2(mfsrin_64b, "mfsrin", 0x1F, 0x13, 0x14, 0x001F0001,
6560              PPC_SEGMENT_64B),
6561 GEN_HANDLER2(mtsr_64b, "mtsr", 0x1F, 0x12, 0x06, 0x0010F801, PPC_SEGMENT_64B),
6562 GEN_HANDLER2(mtsrin_64b, "mtsrin", 0x1F, 0x12, 0x07, 0x001F0001,
6563              PPC_SEGMENT_64B),
6564 GEN_HANDLER2(slbmte, "slbmte", 0x1F, 0x12, 0x0C, 0x001F0001, PPC_SEGMENT_64B),
6565 GEN_HANDLER2(slbmfee, "slbmfee", 0x1F, 0x13, 0x1C, 0x001F0001, PPC_SEGMENT_64B),
6566 GEN_HANDLER2(slbmfev, "slbmfev", 0x1F, 0x13, 0x1A, 0x001F0001, PPC_SEGMENT_64B),
6567 GEN_HANDLER2(slbfee_, "slbfee.", 0x1F, 0x13, 0x1E, 0x001F0000, PPC_SEGMENT_64B),
6568 #endif
6569 GEN_HANDLER(tlbia, 0x1F, 0x12, 0x0B, 0x03FFFC01, PPC_MEM_TLBIA),
6570 /* XXX Those instructions will need to be handled differently for
6571  * different ISA versions */
6572 GEN_HANDLER(tlbiel, 0x1F, 0x12, 0x08, 0x001F0001, PPC_MEM_TLBIE),
6573 GEN_HANDLER(tlbie, 0x1F, 0x12, 0x09, 0x001F0001, PPC_MEM_TLBIE),
6574 GEN_HANDLER_E(tlbiel, 0x1F, 0x12, 0x08, 0x00100001, PPC_NONE, PPC2_ISA300),
6575 GEN_HANDLER_E(tlbie, 0x1F, 0x12, 0x09, 0x00100001, PPC_NONE, PPC2_ISA300),
6576 GEN_HANDLER(tlbsync, 0x1F, 0x16, 0x11, 0x03FFF801, PPC_MEM_TLBSYNC),
6577 #if defined(TARGET_PPC64)
6578 GEN_HANDLER(slbia, 0x1F, 0x12, 0x0F, 0x031FFC01, PPC_SLBI),
6579 GEN_HANDLER(slbie, 0x1F, 0x12, 0x0D, 0x03FF0001, PPC_SLBI),
6580 GEN_HANDLER_E(slbieg, 0x1F, 0x12, 0x0E, 0x001F0001, PPC_NONE, PPC2_ISA300),
6581 GEN_HANDLER_E(slbsync, 0x1F, 0x12, 0x0A, 0x03FFF801, PPC_NONE, PPC2_ISA300),
6582 #endif
6583 GEN_HANDLER(eciwx, 0x1F, 0x16, 0x0D, 0x00000001, PPC_EXTERN),
6584 GEN_HANDLER(ecowx, 0x1F, 0x16, 0x09, 0x00000001, PPC_EXTERN),
6585 GEN_HANDLER(abs, 0x1F, 0x08, 0x0B, 0x0000F800, PPC_POWER_BR),
6586 GEN_HANDLER(abso, 0x1F, 0x08, 0x1B, 0x0000F800, PPC_POWER_BR),
6587 GEN_HANDLER(clcs, 0x1F, 0x10, 0x13, 0x0000F800, PPC_POWER_BR),
6588 GEN_HANDLER(div, 0x1F, 0x0B, 0x0A, 0x00000000, PPC_POWER_BR),
6589 GEN_HANDLER(divo, 0x1F, 0x0B, 0x1A, 0x00000000, PPC_POWER_BR),
6590 GEN_HANDLER(divs, 0x1F, 0x0B, 0x0B, 0x00000000, PPC_POWER_BR),
6591 GEN_HANDLER(divso, 0x1F, 0x0B, 0x1B, 0x00000000, PPC_POWER_BR),
6592 GEN_HANDLER(doz, 0x1F, 0x08, 0x08, 0x00000000, PPC_POWER_BR),
6593 GEN_HANDLER(dozo, 0x1F, 0x08, 0x18, 0x00000000, PPC_POWER_BR),
6594 GEN_HANDLER(dozi, 0x09, 0xFF, 0xFF, 0x00000000, PPC_POWER_BR),
6595 GEN_HANDLER(lscbx, 0x1F, 0x15, 0x08, 0x00000000, PPC_POWER_BR),
6596 GEN_HANDLER(maskg, 0x1F, 0x1D, 0x00, 0x00000000, PPC_POWER_BR),
6597 GEN_HANDLER(maskir, 0x1F, 0x1D, 0x10, 0x00000000, PPC_POWER_BR),
6598 GEN_HANDLER(mul, 0x1F, 0x0B, 0x03, 0x00000000, PPC_POWER_BR),
6599 GEN_HANDLER(mulo, 0x1F, 0x0B, 0x13, 0x00000000, PPC_POWER_BR),
6600 GEN_HANDLER(nabs, 0x1F, 0x08, 0x0F, 0x00000000, PPC_POWER_BR),
6601 GEN_HANDLER(nabso, 0x1F, 0x08, 0x1F, 0x00000000, PPC_POWER_BR),
6602 GEN_HANDLER(rlmi, 0x16, 0xFF, 0xFF, 0x00000000, PPC_POWER_BR),
6603 GEN_HANDLER(rrib, 0x1F, 0x19, 0x10, 0x00000000, PPC_POWER_BR),
6604 GEN_HANDLER(sle, 0x1F, 0x19, 0x04, 0x00000000, PPC_POWER_BR),
6605 GEN_HANDLER(sleq, 0x1F, 0x19, 0x06, 0x00000000, PPC_POWER_BR),
6606 GEN_HANDLER(sliq, 0x1F, 0x18, 0x05, 0x00000000, PPC_POWER_BR),
6607 GEN_HANDLER(slliq, 0x1F, 0x18, 0x07, 0x00000000, PPC_POWER_BR),
6608 GEN_HANDLER(sllq, 0x1F, 0x18, 0x06, 0x00000000, PPC_POWER_BR),
6609 GEN_HANDLER(slq, 0x1F, 0x18, 0x04, 0x00000000, PPC_POWER_BR),
6610 GEN_HANDLER(sraiq, 0x1F, 0x18, 0x1D, 0x00000000, PPC_POWER_BR),
6611 GEN_HANDLER(sraq, 0x1F, 0x18, 0x1C, 0x00000000, PPC_POWER_BR),
6612 GEN_HANDLER(sre, 0x1F, 0x19, 0x14, 0x00000000, PPC_POWER_BR),
6613 GEN_HANDLER(srea, 0x1F, 0x19, 0x1C, 0x00000000, PPC_POWER_BR),
6614 GEN_HANDLER(sreq, 0x1F, 0x19, 0x16, 0x00000000, PPC_POWER_BR),
6615 GEN_HANDLER(sriq, 0x1F, 0x18, 0x15, 0x00000000, PPC_POWER_BR),
6616 GEN_HANDLER(srliq, 0x1F, 0x18, 0x17, 0x00000000, PPC_POWER_BR),
6617 GEN_HANDLER(srlq, 0x1F, 0x18, 0x16, 0x00000000, PPC_POWER_BR),
6618 GEN_HANDLER(srq, 0x1F, 0x18, 0x14, 0x00000000, PPC_POWER_BR),
6619 GEN_HANDLER(dsa, 0x1F, 0x14, 0x13, 0x03FFF801, PPC_602_SPEC),
6620 GEN_HANDLER(esa, 0x1F, 0x14, 0x12, 0x03FFF801, PPC_602_SPEC),
6621 GEN_HANDLER(mfrom, 0x1F, 0x09, 0x08, 0x03E0F801, PPC_602_SPEC),
6622 GEN_HANDLER2(tlbld_6xx, "tlbld", 0x1F, 0x12, 0x1E, 0x03FF0001, PPC_6xx_TLB),
6623 GEN_HANDLER2(tlbli_6xx, "tlbli", 0x1F, 0x12, 0x1F, 0x03FF0001, PPC_6xx_TLB),
6624 GEN_HANDLER2(tlbld_74xx, "tlbld", 0x1F, 0x12, 0x1E, 0x03FF0001, PPC_74xx_TLB),
6625 GEN_HANDLER2(tlbli_74xx, "tlbli", 0x1F, 0x12, 0x1F, 0x03FF0001, PPC_74xx_TLB),
6626 GEN_HANDLER(clf, 0x1F, 0x16, 0x03, 0x03E00000, PPC_POWER),
6627 GEN_HANDLER(cli, 0x1F, 0x16, 0x0F, 0x03E00000, PPC_POWER),
6628 GEN_HANDLER(dclst, 0x1F, 0x16, 0x13, 0x03E00000, PPC_POWER),
6629 GEN_HANDLER(mfsri, 0x1F, 0x13, 0x13, 0x00000001, PPC_POWER),
6630 GEN_HANDLER(rac, 0x1F, 0x12, 0x19, 0x00000001, PPC_POWER),
6631 GEN_HANDLER(rfsvc, 0x13, 0x12, 0x02, 0x03FFF0001, PPC_POWER),
6632 GEN_HANDLER(lfq, 0x38, 0xFF, 0xFF, 0x00000003, PPC_POWER2),
6633 GEN_HANDLER(lfqu, 0x39, 0xFF, 0xFF, 0x00000003, PPC_POWER2),
6634 GEN_HANDLER(lfqux, 0x1F, 0x17, 0x19, 0x00000001, PPC_POWER2),
6635 GEN_HANDLER(lfqx, 0x1F, 0x17, 0x18, 0x00000001, PPC_POWER2),
6636 GEN_HANDLER(stfq, 0x3C, 0xFF, 0xFF, 0x00000003, PPC_POWER2),
6637 GEN_HANDLER(stfqu, 0x3D, 0xFF, 0xFF, 0x00000003, PPC_POWER2),
6638 GEN_HANDLER(stfqux, 0x1F, 0x17, 0x1D, 0x00000001, PPC_POWER2),
6639 GEN_HANDLER(stfqx, 0x1F, 0x17, 0x1C, 0x00000001, PPC_POWER2),
6640 GEN_HANDLER(mfapidi, 0x1F, 0x13, 0x08, 0x0000F801, PPC_MFAPIDI),
6641 GEN_HANDLER(tlbiva, 0x1F, 0x12, 0x18, 0x03FFF801, PPC_TLBIVA),
6642 GEN_HANDLER(mfdcr, 0x1F, 0x03, 0x0A, 0x00000001, PPC_DCR),
6643 GEN_HANDLER(mtdcr, 0x1F, 0x03, 0x0E, 0x00000001, PPC_DCR),
6644 GEN_HANDLER(mfdcrx, 0x1F, 0x03, 0x08, 0x00000000, PPC_DCRX),
6645 GEN_HANDLER(mtdcrx, 0x1F, 0x03, 0x0C, 0x00000000, PPC_DCRX),
6646 GEN_HANDLER(mfdcrux, 0x1F, 0x03, 0x09, 0x00000000, PPC_DCRUX),
6647 GEN_HANDLER(mtdcrux, 0x1F, 0x03, 0x0D, 0x00000000, PPC_DCRUX),
6648 GEN_HANDLER(dccci, 0x1F, 0x06, 0x0E, 0x03E00001, PPC_4xx_COMMON),
6649 GEN_HANDLER(dcread, 0x1F, 0x06, 0x0F, 0x00000001, PPC_4xx_COMMON),
6650 GEN_HANDLER2(icbt_40x, "icbt", 0x1F, 0x06, 0x08, 0x03E00001, PPC_40x_ICBT),
6651 GEN_HANDLER(iccci, 0x1F, 0x06, 0x1E, 0x00000001, PPC_4xx_COMMON),
6652 GEN_HANDLER(icread, 0x1F, 0x06, 0x1F, 0x03E00001, PPC_4xx_COMMON),
6653 GEN_HANDLER2(rfci_40x, "rfci", 0x13, 0x13, 0x01, 0x03FF8001, PPC_40x_EXCP),
6654 GEN_HANDLER_E(rfci, 0x13, 0x13, 0x01, 0x03FF8001, PPC_BOOKE, PPC2_BOOKE206),
6655 GEN_HANDLER(rfdi, 0x13, 0x07, 0x01, 0x03FF8001, PPC_RFDI),
6656 GEN_HANDLER(rfmci, 0x13, 0x06, 0x01, 0x03FF8001, PPC_RFMCI),
6657 GEN_HANDLER2(tlbre_40x, "tlbre", 0x1F, 0x12, 0x1D, 0x00000001, PPC_40x_TLB),
6658 GEN_HANDLER2(tlbsx_40x, "tlbsx", 0x1F, 0x12, 0x1C, 0x00000000, PPC_40x_TLB),
6659 GEN_HANDLER2(tlbwe_40x, "tlbwe", 0x1F, 0x12, 0x1E, 0x00000001, PPC_40x_TLB),
6660 GEN_HANDLER2(tlbre_440, "tlbre", 0x1F, 0x12, 0x1D, 0x00000001, PPC_BOOKE),
6661 GEN_HANDLER2(tlbsx_440, "tlbsx", 0x1F, 0x12, 0x1C, 0x00000000, PPC_BOOKE),
6662 GEN_HANDLER2(tlbwe_440, "tlbwe", 0x1F, 0x12, 0x1E, 0x00000001, PPC_BOOKE),
6663 GEN_HANDLER2_E(tlbre_booke206, "tlbre", 0x1F, 0x12, 0x1D, 0x00000001,
6664                PPC_NONE, PPC2_BOOKE206),
6665 GEN_HANDLER2_E(tlbsx_booke206, "tlbsx", 0x1F, 0x12, 0x1C, 0x00000000,
6666                PPC_NONE, PPC2_BOOKE206),
6667 GEN_HANDLER2_E(tlbwe_booke206, "tlbwe", 0x1F, 0x12, 0x1E, 0x00000001,
6668                PPC_NONE, PPC2_BOOKE206),
6669 GEN_HANDLER2_E(tlbivax_booke206, "tlbivax", 0x1F, 0x12, 0x18, 0x00000001,
6670                PPC_NONE, PPC2_BOOKE206),
6671 GEN_HANDLER2_E(tlbilx_booke206, "tlbilx", 0x1F, 0x12, 0x00, 0x03800001,
6672                PPC_NONE, PPC2_BOOKE206),
6673 GEN_HANDLER2_E(msgsnd, "msgsnd", 0x1F, 0x0E, 0x06, 0x03ff0001,
6674                PPC_NONE, PPC2_PRCNTL),
6675 GEN_HANDLER2_E(msgclr, "msgclr", 0x1F, 0x0E, 0x07, 0x03ff0001,
6676                PPC_NONE, PPC2_PRCNTL),
6677 GEN_HANDLER(wrtee, 0x1F, 0x03, 0x04, 0x000FFC01, PPC_WRTEE),
6678 GEN_HANDLER(wrteei, 0x1F, 0x03, 0x05, 0x000E7C01, PPC_WRTEE),
6679 GEN_HANDLER(dlmzb, 0x1F, 0x0E, 0x02, 0x00000000, PPC_440_SPEC),
6680 GEN_HANDLER_E(mbar, 0x1F, 0x16, 0x1a, 0x001FF801,
6681               PPC_BOOKE, PPC2_BOOKE206),
6682 GEN_HANDLER(msync_4xx, 0x1F, 0x16, 0x12, 0x03FFF801, PPC_BOOKE),
6683 GEN_HANDLER2_E(icbt_440, "icbt", 0x1F, 0x16, 0x00, 0x03E00001,
6684                PPC_BOOKE, PPC2_BOOKE206),
6685 GEN_HANDLER(lvsl, 0x1f, 0x06, 0x00, 0x00000001, PPC_ALTIVEC),
6686 GEN_HANDLER(lvsr, 0x1f, 0x06, 0x01, 0x00000001, PPC_ALTIVEC),
6687 GEN_HANDLER(mfvscr, 0x04, 0x2, 0x18, 0x001ff800, PPC_ALTIVEC),
6688 GEN_HANDLER(mtvscr, 0x04, 0x2, 0x19, 0x03ff0000, PPC_ALTIVEC),
6689 GEN_HANDLER(vmladduhm, 0x04, 0x11, 0xFF, 0x00000000, PPC_ALTIVEC),
6690 #if defined(TARGET_PPC64)
6691 GEN_HANDLER_E(maddhd_maddhdu, 0x04, 0x18, 0xFF, 0x00000000, PPC_NONE,
6692               PPC2_ISA300),
6693 GEN_HANDLER_E(maddld, 0x04, 0x19, 0xFF, 0x00000000, PPC_NONE, PPC2_ISA300),
6694 #endif
6695 
6696 #undef GEN_INT_ARITH_ADD
6697 #undef GEN_INT_ARITH_ADD_CONST
6698 #define GEN_INT_ARITH_ADD(name, opc3, add_ca, compute_ca, compute_ov)         \
6699 GEN_HANDLER(name, 0x1F, 0x0A, opc3, 0x00000000, PPC_INTEGER),
6700 #define GEN_INT_ARITH_ADD_CONST(name, opc3, const_val,                        \
6701                                 add_ca, compute_ca, compute_ov)               \
6702 GEN_HANDLER(name, 0x1F, 0x0A, opc3, 0x0000F800, PPC_INTEGER),
6703 GEN_INT_ARITH_ADD(add, 0x08, 0, 0, 0)
6704 GEN_INT_ARITH_ADD(addo, 0x18, 0, 0, 1)
6705 GEN_INT_ARITH_ADD(addc, 0x00, 0, 1, 0)
6706 GEN_INT_ARITH_ADD(addco, 0x10, 0, 1, 1)
6707 GEN_INT_ARITH_ADD(adde, 0x04, 1, 1, 0)
6708 GEN_INT_ARITH_ADD(addeo, 0x14, 1, 1, 1)
6709 GEN_INT_ARITH_ADD_CONST(addme, 0x07, -1LL, 1, 1, 0)
6710 GEN_INT_ARITH_ADD_CONST(addmeo, 0x17, -1LL, 1, 1, 1)
6711 GEN_INT_ARITH_ADD_CONST(addze, 0x06, 0, 1, 1, 0)
6712 GEN_INT_ARITH_ADD_CONST(addzeo, 0x16, 0, 1, 1, 1)
6713 
6714 #undef GEN_INT_ARITH_DIVW
6715 #define GEN_INT_ARITH_DIVW(name, opc3, sign, compute_ov)                      \
6716 GEN_HANDLER(name, 0x1F, 0x0B, opc3, 0x00000000, PPC_INTEGER)
6717 GEN_INT_ARITH_DIVW(divwu, 0x0E, 0, 0),
6718 GEN_INT_ARITH_DIVW(divwuo, 0x1E, 0, 1),
6719 GEN_INT_ARITH_DIVW(divw, 0x0F, 1, 0),
6720 GEN_INT_ARITH_DIVW(divwo, 0x1F, 1, 1),
6721 GEN_HANDLER_E(divwe, 0x1F, 0x0B, 0x0D, 0, PPC_NONE, PPC2_DIVE_ISA206),
6722 GEN_HANDLER_E(divweo, 0x1F, 0x0B, 0x1D, 0, PPC_NONE, PPC2_DIVE_ISA206),
6723 GEN_HANDLER_E(divweu, 0x1F, 0x0B, 0x0C, 0, PPC_NONE, PPC2_DIVE_ISA206),
6724 GEN_HANDLER_E(divweuo, 0x1F, 0x0B, 0x1C, 0, PPC_NONE, PPC2_DIVE_ISA206),
6725 GEN_HANDLER_E(modsw, 0x1F, 0x0B, 0x18, 0x00000001, PPC_NONE, PPC2_ISA300),
6726 GEN_HANDLER_E(moduw, 0x1F, 0x0B, 0x08, 0x00000001, PPC_NONE, PPC2_ISA300),
6727 
6728 #if defined(TARGET_PPC64)
6729 #undef GEN_INT_ARITH_DIVD
6730 #define GEN_INT_ARITH_DIVD(name, opc3, sign, compute_ov)                      \
6731 GEN_HANDLER(name, 0x1F, 0x09, opc3, 0x00000000, PPC_64B)
6732 GEN_INT_ARITH_DIVD(divdu, 0x0E, 0, 0),
6733 GEN_INT_ARITH_DIVD(divduo, 0x1E, 0, 1),
6734 GEN_INT_ARITH_DIVD(divd, 0x0F, 1, 0),
6735 GEN_INT_ARITH_DIVD(divdo, 0x1F, 1, 1),
6736 
6737 GEN_HANDLER_E(divdeu, 0x1F, 0x09, 0x0C, 0, PPC_NONE, PPC2_DIVE_ISA206),
6738 GEN_HANDLER_E(divdeuo, 0x1F, 0x09, 0x1C, 0, PPC_NONE, PPC2_DIVE_ISA206),
6739 GEN_HANDLER_E(divde, 0x1F, 0x09, 0x0D, 0, PPC_NONE, PPC2_DIVE_ISA206),
6740 GEN_HANDLER_E(divdeo, 0x1F, 0x09, 0x1D, 0, PPC_NONE, PPC2_DIVE_ISA206),
6741 GEN_HANDLER_E(modsd, 0x1F, 0x09, 0x18, 0x00000001, PPC_NONE, PPC2_ISA300),
6742 GEN_HANDLER_E(modud, 0x1F, 0x09, 0x08, 0x00000001, PPC_NONE, PPC2_ISA300),
6743 
6744 #undef GEN_INT_ARITH_MUL_HELPER
6745 #define GEN_INT_ARITH_MUL_HELPER(name, opc3)                                  \
6746 GEN_HANDLER(name, 0x1F, 0x09, opc3, 0x00000000, PPC_64B)
6747 GEN_INT_ARITH_MUL_HELPER(mulhdu, 0x00),
6748 GEN_INT_ARITH_MUL_HELPER(mulhd, 0x02),
6749 GEN_INT_ARITH_MUL_HELPER(mulldo, 0x17),
6750 #endif
6751 
6752 #undef GEN_INT_ARITH_SUBF
6753 #undef GEN_INT_ARITH_SUBF_CONST
6754 #define GEN_INT_ARITH_SUBF(name, opc3, add_ca, compute_ca, compute_ov)        \
6755 GEN_HANDLER(name, 0x1F, 0x08, opc3, 0x00000000, PPC_INTEGER),
6756 #define GEN_INT_ARITH_SUBF_CONST(name, opc3, const_val,                       \
6757                                 add_ca, compute_ca, compute_ov)               \
6758 GEN_HANDLER(name, 0x1F, 0x08, opc3, 0x0000F800, PPC_INTEGER),
6759 GEN_INT_ARITH_SUBF(subf, 0x01, 0, 0, 0)
6760 GEN_INT_ARITH_SUBF(subfo, 0x11, 0, 0, 1)
6761 GEN_INT_ARITH_SUBF(subfc, 0x00, 0, 1, 0)
6762 GEN_INT_ARITH_SUBF(subfco, 0x10, 0, 1, 1)
6763 GEN_INT_ARITH_SUBF(subfe, 0x04, 1, 1, 0)
6764 GEN_INT_ARITH_SUBF(subfeo, 0x14, 1, 1, 1)
6765 GEN_INT_ARITH_SUBF_CONST(subfme, 0x07, -1LL, 1, 1, 0)
6766 GEN_INT_ARITH_SUBF_CONST(subfmeo, 0x17, -1LL, 1, 1, 1)
6767 GEN_INT_ARITH_SUBF_CONST(subfze, 0x06, 0, 1, 1, 0)
6768 GEN_INT_ARITH_SUBF_CONST(subfzeo, 0x16, 0, 1, 1, 1)
6769 
6770 #undef GEN_LOGICAL1
6771 #undef GEN_LOGICAL2
6772 #define GEN_LOGICAL2(name, tcg_op, opc, type)                                 \
6773 GEN_HANDLER(name, 0x1F, 0x1C, opc, 0x00000000, type)
6774 #define GEN_LOGICAL1(name, tcg_op, opc, type)                                 \
6775 GEN_HANDLER(name, 0x1F, 0x1A, opc, 0x00000000, type)
6776 GEN_LOGICAL2(and, tcg_gen_and_tl, 0x00, PPC_INTEGER),
6777 GEN_LOGICAL2(andc, tcg_gen_andc_tl, 0x01, PPC_INTEGER),
6778 GEN_LOGICAL2(eqv, tcg_gen_eqv_tl, 0x08, PPC_INTEGER),
6779 GEN_LOGICAL1(extsb, tcg_gen_ext8s_tl, 0x1D, PPC_INTEGER),
6780 GEN_LOGICAL1(extsh, tcg_gen_ext16s_tl, 0x1C, PPC_INTEGER),
6781 GEN_LOGICAL2(nand, tcg_gen_nand_tl, 0x0E, PPC_INTEGER),
6782 GEN_LOGICAL2(nor, tcg_gen_nor_tl, 0x03, PPC_INTEGER),
6783 GEN_LOGICAL2(orc, tcg_gen_orc_tl, 0x0C, PPC_INTEGER),
6784 #if defined(TARGET_PPC64)
6785 GEN_LOGICAL1(extsw, tcg_gen_ext32s_tl, 0x1E, PPC_64B),
6786 #endif
6787 
6788 #if defined(TARGET_PPC64)
6789 #undef GEN_PPC64_R2
6790 #undef GEN_PPC64_R4
6791 #define GEN_PPC64_R2(name, opc1, opc2)                                        \
6792 GEN_HANDLER2(name##0, stringify(name), opc1, opc2, 0xFF, 0x00000000, PPC_64B),\
6793 GEN_HANDLER2(name##1, stringify(name), opc1, opc2 | 0x10, 0xFF, 0x00000000,   \
6794              PPC_64B)
6795 #define GEN_PPC64_R4(name, opc1, opc2)                                        \
6796 GEN_HANDLER2(name##0, stringify(name), opc1, opc2, 0xFF, 0x00000000, PPC_64B),\
6797 GEN_HANDLER2(name##1, stringify(name), opc1, opc2 | 0x01, 0xFF, 0x00000000,   \
6798              PPC_64B),                                                        \
6799 GEN_HANDLER2(name##2, stringify(name), opc1, opc2 | 0x10, 0xFF, 0x00000000,   \
6800              PPC_64B),                                                        \
6801 GEN_HANDLER2(name##3, stringify(name), opc1, opc2 | 0x11, 0xFF, 0x00000000,   \
6802              PPC_64B)
6803 GEN_PPC64_R4(rldicl, 0x1E, 0x00),
6804 GEN_PPC64_R4(rldicr, 0x1E, 0x02),
6805 GEN_PPC64_R4(rldic, 0x1E, 0x04),
6806 GEN_PPC64_R2(rldcl, 0x1E, 0x08),
6807 GEN_PPC64_R2(rldcr, 0x1E, 0x09),
6808 GEN_PPC64_R4(rldimi, 0x1E, 0x06),
6809 #endif
6810 
6811 #undef GEN_LD
6812 #undef GEN_LDU
6813 #undef GEN_LDUX
6814 #undef GEN_LDX_E
6815 #undef GEN_LDS
6816 #define GEN_LD(name, ldop, opc, type)                                         \
6817 GEN_HANDLER(name, opc, 0xFF, 0xFF, 0x00000000, type),
6818 #define GEN_LDU(name, ldop, opc, type)                                        \
6819 GEN_HANDLER(name##u, opc, 0xFF, 0xFF, 0x00000000, type),
6820 #define GEN_LDUX(name, ldop, opc2, opc3, type)                                \
6821 GEN_HANDLER(name##ux, 0x1F, opc2, opc3, 0x00000001, type),
6822 #define GEN_LDX_E(name, ldop, opc2, opc3, type, type2, chk)                   \
6823 GEN_HANDLER_E(name##x, 0x1F, opc2, opc3, 0x00000001, type, type2),
6824 #define GEN_LDS(name, ldop, op, type)                                         \
6825 GEN_LD(name, ldop, op | 0x20, type)                                           \
6826 GEN_LDU(name, ldop, op | 0x21, type)                                          \
6827 GEN_LDUX(name, ldop, 0x17, op | 0x01, type)                                   \
6828 GEN_LDX(name, ldop, 0x17, op | 0x00, type)
6829 
6830 GEN_LDS(lbz, ld8u, 0x02, PPC_INTEGER)
6831 GEN_LDS(lha, ld16s, 0x0A, PPC_INTEGER)
6832 GEN_LDS(lhz, ld16u, 0x08, PPC_INTEGER)
6833 GEN_LDS(lwz, ld32u, 0x00, PPC_INTEGER)
6834 #if defined(TARGET_PPC64)
6835 GEN_LDUX(lwa, ld32s, 0x15, 0x0B, PPC_64B)
6836 GEN_LDX(lwa, ld32s, 0x15, 0x0A, PPC_64B)
6837 GEN_LDUX(ld, ld64_i64, 0x15, 0x01, PPC_64B)
6838 GEN_LDX(ld, ld64_i64, 0x15, 0x00, PPC_64B)
6839 GEN_LDX_E(ldbr, ld64ur_i64, 0x14, 0x10, PPC_NONE, PPC2_DBRX, CHK_NONE)
6840 
6841 /* HV/P7 and later only */
6842 GEN_LDX_HVRM(ldcix, ld64_i64, 0x15, 0x1b, PPC_CILDST)
6843 GEN_LDX_HVRM(lwzcix, ld32u, 0x15, 0x18, PPC_CILDST)
6844 GEN_LDX_HVRM(lhzcix, ld16u, 0x15, 0x19, PPC_CILDST)
6845 GEN_LDX_HVRM(lbzcix, ld8u, 0x15, 0x1a, PPC_CILDST)
6846 #endif
6847 GEN_LDX(lhbr, ld16ur, 0x16, 0x18, PPC_INTEGER)
6848 GEN_LDX(lwbr, ld32ur, 0x16, 0x10, PPC_INTEGER)
6849 
6850 #undef GEN_ST
6851 #undef GEN_STU
6852 #undef GEN_STUX
6853 #undef GEN_STX_E
6854 #undef GEN_STS
6855 #define GEN_ST(name, stop, opc, type)                                         \
6856 GEN_HANDLER(name, opc, 0xFF, 0xFF, 0x00000000, type),
6857 #define GEN_STU(name, stop, opc, type)                                        \
6858 GEN_HANDLER(stop##u, opc, 0xFF, 0xFF, 0x00000000, type),
6859 #define GEN_STUX(name, stop, opc2, opc3, type)                                \
6860 GEN_HANDLER(name##ux, 0x1F, opc2, opc3, 0x00000001, type),
6861 #define GEN_STX_E(name, stop, opc2, opc3, type, type2, chk)                   \
6862 GEN_HANDLER_E(name##x, 0x1F, opc2, opc3, 0x00000001, type, type2),
6863 #define GEN_STS(name, stop, op, type)                                         \
6864 GEN_ST(name, stop, op | 0x20, type)                                           \
6865 GEN_STU(name, stop, op | 0x21, type)                                          \
6866 GEN_STUX(name, stop, 0x17, op | 0x01, type)                                   \
6867 GEN_STX(name, stop, 0x17, op | 0x00, type)
6868 
6869 GEN_STS(stb, st8, 0x06, PPC_INTEGER)
6870 GEN_STS(sth, st16, 0x0C, PPC_INTEGER)
6871 GEN_STS(stw, st32, 0x04, PPC_INTEGER)
6872 #if defined(TARGET_PPC64)
6873 GEN_STUX(std, st64_i64, 0x15, 0x05, PPC_64B)
6874 GEN_STX(std, st64_i64, 0x15, 0x04, PPC_64B)
6875 GEN_STX_E(stdbr, st64r_i64, 0x14, 0x14, PPC_NONE, PPC2_DBRX, CHK_NONE)
6876 GEN_STX_HVRM(stdcix, st64_i64, 0x15, 0x1f, PPC_CILDST)
6877 GEN_STX_HVRM(stwcix, st32, 0x15, 0x1c, PPC_CILDST)
6878 GEN_STX_HVRM(sthcix, st16, 0x15, 0x1d, PPC_CILDST)
6879 GEN_STX_HVRM(stbcix, st8, 0x15, 0x1e, PPC_CILDST)
6880 #endif
6881 GEN_STX(sthbr, st16r, 0x16, 0x1C, PPC_INTEGER)
6882 GEN_STX(stwbr, st32r, 0x16, 0x14, PPC_INTEGER)
6883 
6884 #undef GEN_CRLOGIC
6885 #define GEN_CRLOGIC(name, tcg_op, opc)                                        \
6886 GEN_HANDLER(name, 0x13, 0x01, opc, 0x00000001, PPC_INTEGER)
6887 GEN_CRLOGIC(crand, tcg_gen_and_i32, 0x08),
6888 GEN_CRLOGIC(crandc, tcg_gen_andc_i32, 0x04),
6889 GEN_CRLOGIC(creqv, tcg_gen_eqv_i32, 0x09),
6890 GEN_CRLOGIC(crnand, tcg_gen_nand_i32, 0x07),
6891 GEN_CRLOGIC(crnor, tcg_gen_nor_i32, 0x01),
6892 GEN_CRLOGIC(cror, tcg_gen_or_i32, 0x0E),
6893 GEN_CRLOGIC(crorc, tcg_gen_orc_i32, 0x0D),
6894 GEN_CRLOGIC(crxor, tcg_gen_xor_i32, 0x06),
6895 
6896 #undef GEN_MAC_HANDLER
6897 #define GEN_MAC_HANDLER(name, opc2, opc3)                                     \
6898 GEN_HANDLER(name, 0x04, opc2, opc3, 0x00000000, PPC_405_MAC)
6899 GEN_MAC_HANDLER(macchw, 0x0C, 0x05),
6900 GEN_MAC_HANDLER(macchwo, 0x0C, 0x15),
6901 GEN_MAC_HANDLER(macchws, 0x0C, 0x07),
6902 GEN_MAC_HANDLER(macchwso, 0x0C, 0x17),
6903 GEN_MAC_HANDLER(macchwsu, 0x0C, 0x06),
6904 GEN_MAC_HANDLER(macchwsuo, 0x0C, 0x16),
6905 GEN_MAC_HANDLER(macchwu, 0x0C, 0x04),
6906 GEN_MAC_HANDLER(macchwuo, 0x0C, 0x14),
6907 GEN_MAC_HANDLER(machhw, 0x0C, 0x01),
6908 GEN_MAC_HANDLER(machhwo, 0x0C, 0x11),
6909 GEN_MAC_HANDLER(machhws, 0x0C, 0x03),
6910 GEN_MAC_HANDLER(machhwso, 0x0C, 0x13),
6911 GEN_MAC_HANDLER(machhwsu, 0x0C, 0x02),
6912 GEN_MAC_HANDLER(machhwsuo, 0x0C, 0x12),
6913 GEN_MAC_HANDLER(machhwu, 0x0C, 0x00),
6914 GEN_MAC_HANDLER(machhwuo, 0x0C, 0x10),
6915 GEN_MAC_HANDLER(maclhw, 0x0C, 0x0D),
6916 GEN_MAC_HANDLER(maclhwo, 0x0C, 0x1D),
6917 GEN_MAC_HANDLER(maclhws, 0x0C, 0x0F),
6918 GEN_MAC_HANDLER(maclhwso, 0x0C, 0x1F),
6919 GEN_MAC_HANDLER(maclhwu, 0x0C, 0x0C),
6920 GEN_MAC_HANDLER(maclhwuo, 0x0C, 0x1C),
6921 GEN_MAC_HANDLER(maclhwsu, 0x0C, 0x0E),
6922 GEN_MAC_HANDLER(maclhwsuo, 0x0C, 0x1E),
6923 GEN_MAC_HANDLER(nmacchw, 0x0E, 0x05),
6924 GEN_MAC_HANDLER(nmacchwo, 0x0E, 0x15),
6925 GEN_MAC_HANDLER(nmacchws, 0x0E, 0x07),
6926 GEN_MAC_HANDLER(nmacchwso, 0x0E, 0x17),
6927 GEN_MAC_HANDLER(nmachhw, 0x0E, 0x01),
6928 GEN_MAC_HANDLER(nmachhwo, 0x0E, 0x11),
6929 GEN_MAC_HANDLER(nmachhws, 0x0E, 0x03),
6930 GEN_MAC_HANDLER(nmachhwso, 0x0E, 0x13),
6931 GEN_MAC_HANDLER(nmaclhw, 0x0E, 0x0D),
6932 GEN_MAC_HANDLER(nmaclhwo, 0x0E, 0x1D),
6933 GEN_MAC_HANDLER(nmaclhws, 0x0E, 0x0F),
6934 GEN_MAC_HANDLER(nmaclhwso, 0x0E, 0x1F),
6935 GEN_MAC_HANDLER(mulchw, 0x08, 0x05),
6936 GEN_MAC_HANDLER(mulchwu, 0x08, 0x04),
6937 GEN_MAC_HANDLER(mulhhw, 0x08, 0x01),
6938 GEN_MAC_HANDLER(mulhhwu, 0x08, 0x00),
6939 GEN_MAC_HANDLER(mullhw, 0x08, 0x0D),
6940 GEN_MAC_HANDLER(mullhwu, 0x08, 0x0C),
6941 
6942 GEN_HANDLER2_E(tbegin, "tbegin", 0x1F, 0x0E, 0x14, 0x01DFF800, \
6943                PPC_NONE, PPC2_TM),
6944 GEN_HANDLER2_E(tend,   "tend",   0x1F, 0x0E, 0x15, 0x01FFF800, \
6945                PPC_NONE, PPC2_TM),
6946 GEN_HANDLER2_E(tabort, "tabort", 0x1F, 0x0E, 0x1C, 0x03E0F800, \
6947                PPC_NONE, PPC2_TM),
6948 GEN_HANDLER2_E(tabortwc, "tabortwc", 0x1F, 0x0E, 0x18, 0x00000000, \
6949                PPC_NONE, PPC2_TM),
6950 GEN_HANDLER2_E(tabortwci, "tabortwci", 0x1F, 0x0E, 0x1A, 0x00000000, \
6951                PPC_NONE, PPC2_TM),
6952 GEN_HANDLER2_E(tabortdc, "tabortdc", 0x1F, 0x0E, 0x19, 0x00000000, \
6953                PPC_NONE, PPC2_TM),
6954 GEN_HANDLER2_E(tabortdci, "tabortdci", 0x1F, 0x0E, 0x1B, 0x00000000, \
6955                PPC_NONE, PPC2_TM),
6956 GEN_HANDLER2_E(tsr, "tsr", 0x1F, 0x0E, 0x17, 0x03DFF800, \
6957                PPC_NONE, PPC2_TM),
6958 GEN_HANDLER2_E(tcheck, "tcheck", 0x1F, 0x0E, 0x16, 0x007FF800, \
6959                PPC_NONE, PPC2_TM),
6960 GEN_HANDLER2_E(treclaim, "treclaim", 0x1F, 0x0E, 0x1D, 0x03E0F800, \
6961                PPC_NONE, PPC2_TM),
6962 GEN_HANDLER2_E(trechkpt, "trechkpt", 0x1F, 0x0E, 0x1F, 0x03FFF800, \
6963                PPC_NONE, PPC2_TM),
6964 
6965 #include "translate/fp-ops.inc.c"
6966 
6967 #include "translate/vmx-ops.inc.c"
6968 
6969 #include "translate/vsx-ops.inc.c"
6970 
6971 #include "translate/dfp-ops.inc.c"
6972 
6973 #include "translate/spe-ops.inc.c"
6974 };
6975 
6976 #include "helper_regs.h"
6977 #include "translate_init.c"
6978 
6979 /*****************************************************************************/
6980 /* Misc PowerPC helpers */
6981 void ppc_cpu_dump_state(CPUState *cs, FILE *f, fprintf_function cpu_fprintf,
6982                         int flags)
6983 {
6984 #define RGPL  4
6985 #define RFPL  4
6986 
6987     PowerPCCPU *cpu = POWERPC_CPU(cs);
6988     CPUPPCState *env = &cpu->env;
6989     int i;
6990 
6991     cpu_fprintf(f, "NIP " TARGET_FMT_lx "   LR " TARGET_FMT_lx " CTR "
6992                 TARGET_FMT_lx " XER " TARGET_FMT_lx " CPU#%d\n",
6993                 env->nip, env->lr, env->ctr, cpu_read_xer(env),
6994                 cs->cpu_index);
6995     cpu_fprintf(f, "MSR " TARGET_FMT_lx " HID0 " TARGET_FMT_lx "  HF "
6996                 TARGET_FMT_lx " iidx %d didx %d\n",
6997                 env->msr, env->spr[SPR_HID0],
6998                 env->hflags, env->immu_idx, env->dmmu_idx);
6999 #if !defined(NO_TIMER_DUMP)
7000     cpu_fprintf(f, "TB %08" PRIu32 " %08" PRIu64
7001 #if !defined(CONFIG_USER_ONLY)
7002                 " DECR %08" PRIu32
7003 #endif
7004                 "\n",
7005                 cpu_ppc_load_tbu(env), cpu_ppc_load_tbl(env)
7006 #if !defined(CONFIG_USER_ONLY)
7007                 , cpu_ppc_load_decr(env)
7008 #endif
7009                 );
7010 #endif
7011     for (i = 0; i < 32; i++) {
7012         if ((i & (RGPL - 1)) == 0)
7013             cpu_fprintf(f, "GPR%02d", i);
7014         cpu_fprintf(f, " %016" PRIx64, ppc_dump_gpr(env, i));
7015         if ((i & (RGPL - 1)) == (RGPL - 1))
7016             cpu_fprintf(f, "\n");
7017     }
7018     cpu_fprintf(f, "CR ");
7019     for (i = 0; i < 8; i++)
7020         cpu_fprintf(f, "%01x", env->crf[i]);
7021     cpu_fprintf(f, "  [");
7022     for (i = 0; i < 8; i++) {
7023         char a = '-';
7024         if (env->crf[i] & 0x08)
7025             a = 'L';
7026         else if (env->crf[i] & 0x04)
7027             a = 'G';
7028         else if (env->crf[i] & 0x02)
7029             a = 'E';
7030         cpu_fprintf(f, " %c%c", a, env->crf[i] & 0x01 ? 'O' : ' ');
7031     }
7032     cpu_fprintf(f, " ]             RES " TARGET_FMT_lx "\n",
7033                 env->reserve_addr);
7034     for (i = 0; i < 32; i++) {
7035         if ((i & (RFPL - 1)) == 0)
7036             cpu_fprintf(f, "FPR%02d", i);
7037         cpu_fprintf(f, " %016" PRIx64, *((uint64_t *)&env->fpr[i]));
7038         if ((i & (RFPL - 1)) == (RFPL - 1))
7039             cpu_fprintf(f, "\n");
7040     }
7041     cpu_fprintf(f, "FPSCR " TARGET_FMT_lx "\n", env->fpscr);
7042 #if !defined(CONFIG_USER_ONLY)
7043     cpu_fprintf(f, " SRR0 " TARGET_FMT_lx "  SRR1 " TARGET_FMT_lx
7044                    "    PVR " TARGET_FMT_lx " VRSAVE " TARGET_FMT_lx "\n",
7045                 env->spr[SPR_SRR0], env->spr[SPR_SRR1],
7046                 env->spr[SPR_PVR], env->spr[SPR_VRSAVE]);
7047 
7048     cpu_fprintf(f, "SPRG0 " TARGET_FMT_lx " SPRG1 " TARGET_FMT_lx
7049                    "  SPRG2 " TARGET_FMT_lx "  SPRG3 " TARGET_FMT_lx "\n",
7050                 env->spr[SPR_SPRG0], env->spr[SPR_SPRG1],
7051                 env->spr[SPR_SPRG2], env->spr[SPR_SPRG3]);
7052 
7053     cpu_fprintf(f, "SPRG4 " TARGET_FMT_lx " SPRG5 " TARGET_FMT_lx
7054                    "  SPRG6 " TARGET_FMT_lx "  SPRG7 " TARGET_FMT_lx "\n",
7055                 env->spr[SPR_SPRG4], env->spr[SPR_SPRG5],
7056                 env->spr[SPR_SPRG6], env->spr[SPR_SPRG7]);
7057 
7058 #if defined(TARGET_PPC64)
7059     if (env->excp_model == POWERPC_EXCP_POWER7 ||
7060         env->excp_model == POWERPC_EXCP_POWER8) {
7061         cpu_fprintf(f, "HSRR0 " TARGET_FMT_lx " HSRR1 " TARGET_FMT_lx "\n",
7062                     env->spr[SPR_HSRR0], env->spr[SPR_HSRR1]);
7063     }
7064 #endif
7065     if (env->excp_model == POWERPC_EXCP_BOOKE) {
7066         cpu_fprintf(f, "CSRR0 " TARGET_FMT_lx " CSRR1 " TARGET_FMT_lx
7067                        " MCSRR0 " TARGET_FMT_lx " MCSRR1 " TARGET_FMT_lx "\n",
7068                     env->spr[SPR_BOOKE_CSRR0], env->spr[SPR_BOOKE_CSRR1],
7069                     env->spr[SPR_BOOKE_MCSRR0], env->spr[SPR_BOOKE_MCSRR1]);
7070 
7071         cpu_fprintf(f, "  TCR " TARGET_FMT_lx "   TSR " TARGET_FMT_lx
7072                        "    ESR " TARGET_FMT_lx "   DEAR " TARGET_FMT_lx "\n",
7073                     env->spr[SPR_BOOKE_TCR], env->spr[SPR_BOOKE_TSR],
7074                     env->spr[SPR_BOOKE_ESR], env->spr[SPR_BOOKE_DEAR]);
7075 
7076         cpu_fprintf(f, "  PIR " TARGET_FMT_lx " DECAR " TARGET_FMT_lx
7077                        "   IVPR " TARGET_FMT_lx "   EPCR " TARGET_FMT_lx "\n",
7078                     env->spr[SPR_BOOKE_PIR], env->spr[SPR_BOOKE_DECAR],
7079                     env->spr[SPR_BOOKE_IVPR], env->spr[SPR_BOOKE_EPCR]);
7080 
7081         cpu_fprintf(f, " MCSR " TARGET_FMT_lx " SPRG8 " TARGET_FMT_lx
7082                        "    EPR " TARGET_FMT_lx "\n",
7083                     env->spr[SPR_BOOKE_MCSR], env->spr[SPR_BOOKE_SPRG8],
7084                     env->spr[SPR_BOOKE_EPR]);
7085 
7086         /* FSL-specific */
7087         cpu_fprintf(f, " MCAR " TARGET_FMT_lx "  PID1 " TARGET_FMT_lx
7088                        "   PID2 " TARGET_FMT_lx "    SVR " TARGET_FMT_lx "\n",
7089                     env->spr[SPR_Exxx_MCAR], env->spr[SPR_BOOKE_PID1],
7090                     env->spr[SPR_BOOKE_PID2], env->spr[SPR_E500_SVR]);
7091 
7092         /*
7093          * IVORs are left out as they are large and do not change often --
7094          * they can be read with "p $ivor0", "p $ivor1", etc.
7095          */
7096     }
7097 
7098 #if defined(TARGET_PPC64)
7099     if (env->flags & POWERPC_FLAG_CFAR) {
7100         cpu_fprintf(f, " CFAR " TARGET_FMT_lx"\n", env->cfar);
7101     }
7102 #endif
7103 
7104     if (env->spr_cb[SPR_LPCR].name)
7105         cpu_fprintf(f, " LPCR " TARGET_FMT_lx "\n", env->spr[SPR_LPCR]);
7106 
7107     switch (POWERPC_MMU_VER(env->mmu_model)) {
7108     case POWERPC_MMU_32B:
7109     case POWERPC_MMU_601:
7110     case POWERPC_MMU_SOFT_6xx:
7111     case POWERPC_MMU_SOFT_74xx:
7112 #if defined(TARGET_PPC64)
7113     case POWERPC_MMU_VER_64B:
7114     case POWERPC_MMU_VER_2_03:
7115     case POWERPC_MMU_VER_2_06:
7116     case POWERPC_MMU_VER_2_07:
7117     case POWERPC_MMU_VER_3_00:
7118 #endif
7119         if (env->spr_cb[SPR_SDR1].name) { /* SDR1 Exists */
7120             cpu_fprintf(f, " SDR1 " TARGET_FMT_lx " ", env->spr[SPR_SDR1]);
7121         }
7122         cpu_fprintf(f, "  DAR " TARGET_FMT_lx "  DSISR " TARGET_FMT_lx "\n",
7123                     env->spr[SPR_DAR], env->spr[SPR_DSISR]);
7124         break;
7125     case POWERPC_MMU_BOOKE206:
7126         cpu_fprintf(f, " MAS0 " TARGET_FMT_lx "  MAS1 " TARGET_FMT_lx
7127                        "   MAS2 " TARGET_FMT_lx "   MAS3 " TARGET_FMT_lx "\n",
7128                     env->spr[SPR_BOOKE_MAS0], env->spr[SPR_BOOKE_MAS1],
7129                     env->spr[SPR_BOOKE_MAS2], env->spr[SPR_BOOKE_MAS3]);
7130 
7131         cpu_fprintf(f, " MAS4 " TARGET_FMT_lx "  MAS6 " TARGET_FMT_lx
7132                        "   MAS7 " TARGET_FMT_lx "    PID " TARGET_FMT_lx "\n",
7133                     env->spr[SPR_BOOKE_MAS4], env->spr[SPR_BOOKE_MAS6],
7134                     env->spr[SPR_BOOKE_MAS7], env->spr[SPR_BOOKE_PID]);
7135 
7136         cpu_fprintf(f, "MMUCFG " TARGET_FMT_lx " TLB0CFG " TARGET_FMT_lx
7137                        " TLB1CFG " TARGET_FMT_lx "\n",
7138                     env->spr[SPR_MMUCFG], env->spr[SPR_BOOKE_TLB0CFG],
7139                     env->spr[SPR_BOOKE_TLB1CFG]);
7140         break;
7141     default:
7142         break;
7143     }
7144 #endif
7145 
7146 #undef RGPL
7147 #undef RFPL
7148 }
7149 
7150 void ppc_cpu_dump_statistics(CPUState *cs, FILE*f,
7151                              fprintf_function cpu_fprintf, int flags)
7152 {
7153 #if defined(DO_PPC_STATISTICS)
7154     PowerPCCPU *cpu = POWERPC_CPU(cs);
7155     opc_handler_t **t1, **t2, **t3, *handler;
7156     int op1, op2, op3;
7157 
7158     t1 = cpu->env.opcodes;
7159     for (op1 = 0; op1 < 64; op1++) {
7160         handler = t1[op1];
7161         if (is_indirect_opcode(handler)) {
7162             t2 = ind_table(handler);
7163             for (op2 = 0; op2 < 32; op2++) {
7164                 handler = t2[op2];
7165                 if (is_indirect_opcode(handler)) {
7166                     t3 = ind_table(handler);
7167                     for (op3 = 0; op3 < 32; op3++) {
7168                         handler = t3[op3];
7169                         if (handler->count == 0)
7170                             continue;
7171                         cpu_fprintf(f, "%02x %02x %02x (%02x %04d) %16s: "
7172                                     "%016" PRIx64 " %" PRId64 "\n",
7173                                     op1, op2, op3, op1, (op3 << 5) | op2,
7174                                     handler->oname,
7175                                     handler->count, handler->count);
7176                     }
7177                 } else {
7178                     if (handler->count == 0)
7179                         continue;
7180                     cpu_fprintf(f, "%02x %02x    (%02x %04d) %16s: "
7181                                 "%016" PRIx64 " %" PRId64 "\n",
7182                                 op1, op2, op1, op2, handler->oname,
7183                                 handler->count, handler->count);
7184                 }
7185             }
7186         } else {
7187             if (handler->count == 0)
7188                 continue;
7189             cpu_fprintf(f, "%02x       (%02x     ) %16s: %016" PRIx64
7190                         " %" PRId64 "\n",
7191                         op1, op1, handler->oname,
7192                         handler->count, handler->count);
7193         }
7194     }
7195 #endif
7196 }
7197 
7198 /*****************************************************************************/
7199 void gen_intermediate_code(CPUState *cs, struct TranslationBlock *tb)
7200 {
7201     CPUPPCState *env = cs->env_ptr;
7202     DisasContext ctx, *ctxp = &ctx;
7203     opc_handler_t **table, *handler;
7204     target_ulong pc_start;
7205     int num_insns;
7206     int max_insns;
7207 
7208     pc_start = tb->pc;
7209     ctx.nip = pc_start;
7210     ctx.tb = tb;
7211     ctx.exception = POWERPC_EXCP_NONE;
7212     ctx.spr_cb = env->spr_cb;
7213     ctx.pr = msr_pr;
7214     ctx.mem_idx = env->dmmu_idx;
7215     ctx.dr = msr_dr;
7216 #if !defined(CONFIG_USER_ONLY)
7217     ctx.hv = msr_hv || !env->has_hv_mode;
7218 #endif
7219     ctx.insns_flags = env->insns_flags;
7220     ctx.insns_flags2 = env->insns_flags2;
7221     ctx.access_type = -1;
7222     ctx.need_access_type = !(env->mmu_model & POWERPC_MMU_64B);
7223     ctx.le_mode = !!(env->hflags & (1 << MSR_LE));
7224     ctx.default_tcg_memop_mask = ctx.le_mode ? MO_LE : MO_BE;
7225 #if defined(TARGET_PPC64)
7226     ctx.sf_mode = msr_is_64bit(env, env->msr);
7227     ctx.has_cfar = !!(env->flags & POWERPC_FLAG_CFAR);
7228 #endif
7229     if (env->mmu_model == POWERPC_MMU_32B ||
7230         env->mmu_model == POWERPC_MMU_601 ||
7231         (env->mmu_model & POWERPC_MMU_64B))
7232             ctx.lazy_tlb_flush = true;
7233 
7234     ctx.fpu_enabled = !!msr_fp;
7235     if ((env->flags & POWERPC_FLAG_SPE) && msr_spe)
7236         ctx.spe_enabled = !!msr_spe;
7237     else
7238         ctx.spe_enabled = false;
7239     if ((env->flags & POWERPC_FLAG_VRE) && msr_vr)
7240         ctx.altivec_enabled = !!msr_vr;
7241     else
7242         ctx.altivec_enabled = false;
7243     if ((env->flags & POWERPC_FLAG_VSX) && msr_vsx) {
7244         ctx.vsx_enabled = !!msr_vsx;
7245     } else {
7246         ctx.vsx_enabled = false;
7247     }
7248 #if defined(TARGET_PPC64)
7249     if ((env->flags & POWERPC_FLAG_TM) && msr_tm) {
7250         ctx.tm_enabled = !!msr_tm;
7251     } else {
7252         ctx.tm_enabled = false;
7253     }
7254 #endif
7255     ctx.gtse = !!(env->spr[SPR_LPCR] & LPCR_GTSE);
7256     if ((env->flags & POWERPC_FLAG_SE) && msr_se)
7257         ctx.singlestep_enabled = CPU_SINGLE_STEP;
7258     else
7259         ctx.singlestep_enabled = 0;
7260     if ((env->flags & POWERPC_FLAG_BE) && msr_be)
7261         ctx.singlestep_enabled |= CPU_BRANCH_STEP;
7262     if (unlikely(cs->singlestep_enabled)) {
7263         ctx.singlestep_enabled |= GDBSTUB_SINGLE_STEP;
7264     }
7265 #if defined (DO_SINGLE_STEP) && 0
7266     /* Single step trace mode */
7267     msr_se = 1;
7268 #endif
7269     num_insns = 0;
7270     max_insns = tb->cflags & CF_COUNT_MASK;
7271     if (max_insns == 0) {
7272         max_insns = CF_COUNT_MASK;
7273     }
7274     if (max_insns > TCG_MAX_INSNS) {
7275         max_insns = TCG_MAX_INSNS;
7276     }
7277 
7278     gen_tb_start(tb);
7279     tcg_clear_temp_count();
7280     /* Set env in case of segfault during code fetch */
7281     while (ctx.exception == POWERPC_EXCP_NONE && !tcg_op_buf_full()) {
7282         tcg_gen_insn_start(ctx.nip);
7283         num_insns++;
7284 
7285         if (unlikely(cpu_breakpoint_test(cs, ctx.nip, BP_ANY))) {
7286             gen_debug_exception(ctxp);
7287             /* The address covered by the breakpoint must be included in
7288                [tb->pc, tb->pc + tb->size) in order to for it to be
7289                properly cleared -- thus we increment the PC here so that
7290                the logic setting tb->size below does the right thing.  */
7291             ctx.nip += 4;
7292             break;
7293         }
7294 
7295         LOG_DISAS("----------------\n");
7296         LOG_DISAS("nip=" TARGET_FMT_lx " super=%d ir=%d\n",
7297                   ctx.nip, ctx.mem_idx, (int)msr_ir);
7298         if (num_insns == max_insns && (tb->cflags & CF_LAST_IO))
7299             gen_io_start();
7300         if (unlikely(need_byteswap(&ctx))) {
7301             ctx.opcode = bswap32(cpu_ldl_code(env, ctx.nip));
7302         } else {
7303             ctx.opcode = cpu_ldl_code(env, ctx.nip);
7304         }
7305         LOG_DISAS("translate opcode %08x (%02x %02x %02x %02x) (%s)\n",
7306                   ctx.opcode, opc1(ctx.opcode), opc2(ctx.opcode),
7307                   opc3(ctx.opcode), opc4(ctx.opcode),
7308                   ctx.le_mode ? "little" : "big");
7309         ctx.nip += 4;
7310         table = env->opcodes;
7311         handler = table[opc1(ctx.opcode)];
7312         if (is_indirect_opcode(handler)) {
7313             table = ind_table(handler);
7314             handler = table[opc2(ctx.opcode)];
7315             if (is_indirect_opcode(handler)) {
7316                 table = ind_table(handler);
7317                 handler = table[opc3(ctx.opcode)];
7318                 if (is_indirect_opcode(handler)) {
7319                     table = ind_table(handler);
7320                     handler = table[opc4(ctx.opcode)];
7321                 }
7322             }
7323         }
7324         /* Is opcode *REALLY* valid ? */
7325         if (unlikely(handler->handler == &gen_invalid)) {
7326             qemu_log_mask(LOG_GUEST_ERROR, "invalid/unsupported opcode: "
7327                           "%02x - %02x - %02x - %02x (%08x) "
7328                           TARGET_FMT_lx " %d\n",
7329                           opc1(ctx.opcode), opc2(ctx.opcode),
7330                           opc3(ctx.opcode), opc4(ctx.opcode),
7331                           ctx.opcode, ctx.nip - 4, (int)msr_ir);
7332         } else {
7333             uint32_t inval;
7334 
7335             if (unlikely(handler->type & (PPC_SPE | PPC_SPE_SINGLE | PPC_SPE_DOUBLE) && Rc(ctx.opcode))) {
7336                 inval = handler->inval2;
7337             } else {
7338                 inval = handler->inval1;
7339             }
7340 
7341             if (unlikely((ctx.opcode & inval) != 0)) {
7342                 qemu_log_mask(LOG_GUEST_ERROR, "invalid bits: %08x for opcode: "
7343                               "%02x - %02x - %02x - %02x (%08x) "
7344                               TARGET_FMT_lx "\n", ctx.opcode & inval,
7345                               opc1(ctx.opcode), opc2(ctx.opcode),
7346                               opc3(ctx.opcode), opc4(ctx.opcode),
7347                               ctx.opcode, ctx.nip - 4);
7348                 gen_inval_exception(ctxp, POWERPC_EXCP_INVAL_INVAL);
7349                 break;
7350             }
7351         }
7352         (*(handler->handler))(&ctx);
7353 #if defined(DO_PPC_STATISTICS)
7354         handler->count++;
7355 #endif
7356         /* Check trace mode exceptions */
7357         if (unlikely(ctx.singlestep_enabled & CPU_SINGLE_STEP &&
7358                      (ctx.nip <= 0x100 || ctx.nip > 0xF00) &&
7359                      ctx.exception != POWERPC_SYSCALL &&
7360                      ctx.exception != POWERPC_EXCP_TRAP &&
7361                      ctx.exception != POWERPC_EXCP_BRANCH)) {
7362             gen_exception_nip(ctxp, POWERPC_EXCP_TRACE, ctx.nip);
7363         } else if (unlikely(((ctx.nip & (TARGET_PAGE_SIZE - 1)) == 0) ||
7364                             (cs->singlestep_enabled) ||
7365                             singlestep ||
7366                             num_insns >= max_insns)) {
7367             /* if we reach a page boundary or are single stepping, stop
7368              * generation
7369              */
7370             break;
7371         }
7372         if (tcg_check_temp_count()) {
7373             fprintf(stderr, "Opcode %02x %02x %02x %02x (%08x) leaked "
7374                     "temporaries\n", opc1(ctx.opcode), opc2(ctx.opcode),
7375                     opc3(ctx.opcode), opc4(ctx.opcode), ctx.opcode);
7376             exit(1);
7377         }
7378     }
7379     if (tb->cflags & CF_LAST_IO)
7380         gen_io_end();
7381     if (ctx.exception == POWERPC_EXCP_NONE) {
7382         gen_goto_tb(&ctx, 0, ctx.nip);
7383     } else if (ctx.exception != POWERPC_EXCP_BRANCH) {
7384         if (unlikely(cs->singlestep_enabled)) {
7385             gen_debug_exception(ctxp);
7386         }
7387         /* Generate the return instruction */
7388         tcg_gen_exit_tb(0);
7389     }
7390     gen_tb_end(tb, num_insns);
7391 
7392     tb->size = ctx.nip - pc_start;
7393     tb->icount = num_insns;
7394 
7395 #if defined(DEBUG_DISAS)
7396     if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)
7397         && qemu_log_in_addr_range(pc_start)) {
7398         int flags;
7399         flags = env->bfd_mach;
7400         flags |= ctx.le_mode << 16;
7401         qemu_log_lock();
7402         qemu_log("IN: %s\n", lookup_symbol(pc_start));
7403         log_target_disas(cs, pc_start, ctx.nip - pc_start, flags);
7404         qemu_log("\n");
7405         qemu_log_unlock();
7406     }
7407 #endif
7408 }
7409 
7410 void restore_state_to_opc(CPUPPCState *env, TranslationBlock *tb,
7411                           target_ulong *data)
7412 {
7413     env->nip = data[0];
7414 }
7415