xref: /openbmc/qemu/target/ppc/translate.c (revision 8779fccb)
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;
75 static TCGv cpu_reserve;
76 static TCGv cpu_fpscr;
77 static TCGv_i32 cpu_access_type;
78 
79 #include "exec/gen-icount.h"
80 
81 void ppc_translate_init(void)
82 {
83     int i;
84     char* p;
85     size_t cpu_reg_names_size;
86     static int done_init = 0;
87 
88     if (done_init)
89         return;
90 
91     cpu_env = tcg_global_reg_new_ptr(TCG_AREG0, "env");
92     tcg_ctx.tcg_env = cpu_env;
93 
94     p = cpu_reg_names;
95     cpu_reg_names_size = sizeof(cpu_reg_names);
96 
97     for (i = 0; i < 8; i++) {
98         snprintf(p, cpu_reg_names_size, "crf%d", i);
99         cpu_crf[i] = tcg_global_mem_new_i32(cpu_env,
100                                             offsetof(CPUPPCState, crf[i]), p);
101         p += 5;
102         cpu_reg_names_size -= 5;
103     }
104 
105     for (i = 0; i < 32; i++) {
106         snprintf(p, cpu_reg_names_size, "r%d", i);
107         cpu_gpr[i] = tcg_global_mem_new(cpu_env,
108                                         offsetof(CPUPPCState, gpr[i]), p);
109         p += (i < 10) ? 3 : 4;
110         cpu_reg_names_size -= (i < 10) ? 3 : 4;
111         snprintf(p, cpu_reg_names_size, "r%dH", i);
112         cpu_gprh[i] = tcg_global_mem_new(cpu_env,
113                                          offsetof(CPUPPCState, gprh[i]), p);
114         p += (i < 10) ? 4 : 5;
115         cpu_reg_names_size -= (i < 10) ? 4 : 5;
116 
117         snprintf(p, cpu_reg_names_size, "fp%d", i);
118         cpu_fpr[i] = tcg_global_mem_new_i64(cpu_env,
119                                             offsetof(CPUPPCState, fpr[i]), p);
120         p += (i < 10) ? 4 : 5;
121         cpu_reg_names_size -= (i < 10) ? 4 : 5;
122 
123         snprintf(p, cpu_reg_names_size, "avr%dH", i);
124 #ifdef HOST_WORDS_BIGENDIAN
125         cpu_avrh[i] = tcg_global_mem_new_i64(cpu_env,
126                                              offsetof(CPUPPCState, avr[i].u64[0]), p);
127 #else
128         cpu_avrh[i] = tcg_global_mem_new_i64(cpu_env,
129                                              offsetof(CPUPPCState, avr[i].u64[1]), p);
130 #endif
131         p += (i < 10) ? 6 : 7;
132         cpu_reg_names_size -= (i < 10) ? 6 : 7;
133 
134         snprintf(p, cpu_reg_names_size, "avr%dL", i);
135 #ifdef HOST_WORDS_BIGENDIAN
136         cpu_avrl[i] = tcg_global_mem_new_i64(cpu_env,
137                                              offsetof(CPUPPCState, avr[i].u64[1]), p);
138 #else
139         cpu_avrl[i] = tcg_global_mem_new_i64(cpu_env,
140                                              offsetof(CPUPPCState, avr[i].u64[0]), p);
141 #endif
142         p += (i < 10) ? 6 : 7;
143         cpu_reg_names_size -= (i < 10) ? 6 : 7;
144         snprintf(p, cpu_reg_names_size, "vsr%d", i);
145         cpu_vsr[i] = tcg_global_mem_new_i64(cpu_env,
146                                             offsetof(CPUPPCState, vsr[i]), p);
147         p += (i < 10) ? 5 : 6;
148         cpu_reg_names_size -= (i < 10) ? 5 : 6;
149     }
150 
151     cpu_nip = tcg_global_mem_new(cpu_env,
152                                  offsetof(CPUPPCState, nip), "nip");
153 
154     cpu_msr = tcg_global_mem_new(cpu_env,
155                                  offsetof(CPUPPCState, msr), "msr");
156 
157     cpu_ctr = tcg_global_mem_new(cpu_env,
158                                  offsetof(CPUPPCState, ctr), "ctr");
159 
160     cpu_lr = tcg_global_mem_new(cpu_env,
161                                 offsetof(CPUPPCState, lr), "lr");
162 
163 #if defined(TARGET_PPC64)
164     cpu_cfar = tcg_global_mem_new(cpu_env,
165                                   offsetof(CPUPPCState, cfar), "cfar");
166 #endif
167 
168     cpu_xer = tcg_global_mem_new(cpu_env,
169                                  offsetof(CPUPPCState, xer), "xer");
170     cpu_so = tcg_global_mem_new(cpu_env,
171                                 offsetof(CPUPPCState, so), "SO");
172     cpu_ov = tcg_global_mem_new(cpu_env,
173                                 offsetof(CPUPPCState, ov), "OV");
174     cpu_ca = tcg_global_mem_new(cpu_env,
175                                 offsetof(CPUPPCState, ca), "CA");
176 
177     cpu_reserve = tcg_global_mem_new(cpu_env,
178                                      offsetof(CPUPPCState, reserve_addr),
179                                      "reserve_addr");
180 
181     cpu_fpscr = tcg_global_mem_new(cpu_env,
182                                    offsetof(CPUPPCState, fpscr), "fpscr");
183 
184     cpu_access_type = tcg_global_mem_new_i32(cpu_env,
185                                              offsetof(CPUPPCState, access_type), "access_type");
186 
187     done_init = 1;
188 }
189 
190 /* internal defines */
191 struct DisasContext {
192     struct TranslationBlock *tb;
193     target_ulong nip;
194     uint32_t opcode;
195     uint32_t exception;
196     /* Routine used to access memory */
197     bool pr, hv, dr, le_mode;
198     bool lazy_tlb_flush;
199     bool need_access_type;
200     int mem_idx;
201     int access_type;
202     /* Translation flags */
203     TCGMemOp default_tcg_memop_mask;
204 #if defined(TARGET_PPC64)
205     bool sf_mode;
206     bool has_cfar;
207 #endif
208     bool fpu_enabled;
209     bool altivec_enabled;
210     bool vsx_enabled;
211     bool spe_enabled;
212     bool tm_enabled;
213     ppc_spr_t *spr_cb; /* Needed to check rights for mfspr/mtspr */
214     int singlestep_enabled;
215     uint64_t insns_flags;
216     uint64_t insns_flags2;
217 };
218 
219 /* Return true iff byteswap is needed in a scalar memop */
220 static inline bool need_byteswap(const DisasContext *ctx)
221 {
222 #if defined(TARGET_WORDS_BIGENDIAN)
223      return ctx->le_mode;
224 #else
225      return !ctx->le_mode;
226 #endif
227 }
228 
229 /* True when active word size < size of target_long.  */
230 #ifdef TARGET_PPC64
231 # define NARROW_MODE(C)  (!(C)->sf_mode)
232 #else
233 # define NARROW_MODE(C)  0
234 #endif
235 
236 struct opc_handler_t {
237     /* invalid bits for instruction 1 (Rc(opcode) == 0) */
238     uint32_t inval1;
239     /* invalid bits for instruction 2 (Rc(opcode) == 1) */
240     uint32_t inval2;
241     /* instruction type */
242     uint64_t type;
243     /* extended instruction type */
244     uint64_t type2;
245     /* handler */
246     void (*handler)(DisasContext *ctx);
247 #if defined(DO_PPC_STATISTICS) || defined(PPC_DUMP_CPU)
248     const char *oname;
249 #endif
250 #if defined(DO_PPC_STATISTICS)
251     uint64_t count;
252 #endif
253 };
254 
255 static inline void gen_set_access_type(DisasContext *ctx, int access_type)
256 {
257     if (ctx->need_access_type && ctx->access_type != access_type) {
258         tcg_gen_movi_i32(cpu_access_type, access_type);
259         ctx->access_type = access_type;
260     }
261 }
262 
263 static inline void gen_update_nip(DisasContext *ctx, target_ulong nip)
264 {
265     if (NARROW_MODE(ctx)) {
266         nip = (uint32_t)nip;
267     }
268     tcg_gen_movi_tl(cpu_nip, nip);
269 }
270 
271 static void gen_exception_err(DisasContext *ctx, uint32_t excp, uint32_t error)
272 {
273     TCGv_i32 t0, t1;
274 
275     /* These are all synchronous exceptions, we set the PC back to
276      * the faulting instruction
277      */
278     if (ctx->exception == POWERPC_EXCP_NONE) {
279         gen_update_nip(ctx, ctx->nip - 4);
280     }
281     t0 = tcg_const_i32(excp);
282     t1 = tcg_const_i32(error);
283     gen_helper_raise_exception_err(cpu_env, t0, t1);
284     tcg_temp_free_i32(t0);
285     tcg_temp_free_i32(t1);
286     ctx->exception = (excp);
287 }
288 
289 static void gen_exception(DisasContext *ctx, uint32_t excp)
290 {
291     TCGv_i32 t0;
292 
293     /* These are all synchronous exceptions, we set the PC back to
294      * the faulting instruction
295      */
296     if (ctx->exception == POWERPC_EXCP_NONE) {
297         gen_update_nip(ctx, ctx->nip - 4);
298     }
299     t0 = tcg_const_i32(excp);
300     gen_helper_raise_exception(cpu_env, t0);
301     tcg_temp_free_i32(t0);
302     ctx->exception = (excp);
303 }
304 
305 static void gen_exception_nip(DisasContext *ctx, uint32_t excp,
306                               target_ulong nip)
307 {
308     TCGv_i32 t0;
309 
310     gen_update_nip(ctx, nip);
311     t0 = tcg_const_i32(excp);
312     gen_helper_raise_exception(cpu_env, t0);
313     tcg_temp_free_i32(t0);
314     ctx->exception = (excp);
315 }
316 
317 static void gen_debug_exception(DisasContext *ctx)
318 {
319     TCGv_i32 t0;
320 
321     /* These are all synchronous exceptions, we set the PC back to
322      * the faulting instruction
323      */
324     if ((ctx->exception != POWERPC_EXCP_BRANCH) &&
325         (ctx->exception != POWERPC_EXCP_SYNC)) {
326         gen_update_nip(ctx, ctx->nip);
327     }
328     t0 = tcg_const_i32(EXCP_DEBUG);
329     gen_helper_raise_exception(cpu_env, t0);
330     tcg_temp_free_i32(t0);
331 }
332 
333 static inline void gen_inval_exception(DisasContext *ctx, uint32_t error)
334 {
335     /* Will be converted to program check if needed */
336     gen_exception_err(ctx, POWERPC_EXCP_HV_EMU, POWERPC_EXCP_INVAL | error);
337 }
338 
339 static inline void gen_priv_exception(DisasContext *ctx, uint32_t error)
340 {
341     gen_exception_err(ctx, POWERPC_EXCP_PROGRAM, POWERPC_EXCP_PRIV | error);
342 }
343 
344 static inline void gen_hvpriv_exception(DisasContext *ctx, uint32_t error)
345 {
346     /* Will be converted to program check if needed */
347     gen_exception_err(ctx, POWERPC_EXCP_HV_EMU, POWERPC_EXCP_PRIV | error);
348 }
349 
350 /* Stop translation */
351 static inline void gen_stop_exception(DisasContext *ctx)
352 {
353     gen_update_nip(ctx, ctx->nip);
354     ctx->exception = POWERPC_EXCP_STOP;
355 }
356 
357 #ifndef CONFIG_USER_ONLY
358 /* No need to update nip here, as execution flow will change */
359 static inline void gen_sync_exception(DisasContext *ctx)
360 {
361     ctx->exception = POWERPC_EXCP_SYNC;
362 }
363 #endif
364 
365 #define GEN_HANDLER(name, opc1, opc2, opc3, inval, type)                      \
366 GEN_OPCODE(name, opc1, opc2, opc3, inval, type, PPC_NONE)
367 
368 #define GEN_HANDLER_E(name, opc1, opc2, opc3, inval, type, type2)             \
369 GEN_OPCODE(name, opc1, opc2, opc3, inval, type, type2)
370 
371 #define GEN_HANDLER2(name, onam, opc1, opc2, opc3, inval, type)               \
372 GEN_OPCODE2(name, onam, opc1, opc2, opc3, inval, type, PPC_NONE)
373 
374 #define GEN_HANDLER2_E(name, onam, opc1, opc2, opc3, inval, type, type2)      \
375 GEN_OPCODE2(name, onam, opc1, opc2, opc3, inval, type, type2)
376 
377 #define GEN_HANDLER_E_2(name, opc1, opc2, opc3, opc4, inval, type, type2)     \
378 GEN_OPCODE3(name, opc1, opc2, opc3, opc4, inval, type, type2)
379 
380 #define GEN_HANDLER2_E_2(name, onam, opc1, opc2, opc3, opc4, inval, typ, typ2) \
381 GEN_OPCODE4(name, onam, opc1, opc2, opc3, opc4, inval, typ, typ2)
382 
383 typedef struct opcode_t {
384     unsigned char opc1, opc2, opc3, opc4;
385 #if HOST_LONG_BITS == 64 /* Explicitly align to 64 bits */
386     unsigned char pad[4];
387 #endif
388     opc_handler_t handler;
389     const char *oname;
390 } opcode_t;
391 
392 /* Helpers for priv. check */
393 #define GEN_PRIV                                                \
394     do {                                                        \
395         gen_priv_exception(ctx, POWERPC_EXCP_PRIV_OPC); return; \
396     } while (0)
397 
398 #if defined(CONFIG_USER_ONLY)
399 #define CHK_HV GEN_PRIV
400 #define CHK_SV GEN_PRIV
401 #define CHK_HVRM GEN_PRIV
402 #else
403 #define CHK_HV                                                          \
404     do {                                                                \
405         if (unlikely(ctx->pr || !ctx->hv)) {                            \
406             GEN_PRIV;                                                   \
407         }                                                               \
408     } while (0)
409 #define CHK_SV                   \
410     do {                         \
411         if (unlikely(ctx->pr)) { \
412             GEN_PRIV;            \
413         }                        \
414     } while (0)
415 #define CHK_HVRM                                            \
416     do {                                                    \
417         if (unlikely(ctx->pr || !ctx->hv || ctx->dr)) {     \
418             GEN_PRIV;                                       \
419         }                                                   \
420     } while (0)
421 #endif
422 
423 #define CHK_NONE
424 
425 /*****************************************************************************/
426 /* PowerPC instructions table                                                */
427 
428 #if defined(DO_PPC_STATISTICS)
429 #define GEN_OPCODE(name, op1, op2, op3, invl, _typ, _typ2)                    \
430 {                                                                             \
431     .opc1 = op1,                                                              \
432     .opc2 = op2,                                                              \
433     .opc3 = op3,                                                              \
434     .opc4 = 0xff,                                                             \
435     .handler = {                                                              \
436         .inval1  = invl,                                                      \
437         .type = _typ,                                                         \
438         .type2 = _typ2,                                                       \
439         .handler = &gen_##name,                                               \
440         .oname = stringify(name),                                             \
441     },                                                                        \
442     .oname = stringify(name),                                                 \
443 }
444 #define GEN_OPCODE_DUAL(name, op1, op2, op3, invl1, invl2, _typ, _typ2)       \
445 {                                                                             \
446     .opc1 = op1,                                                              \
447     .opc2 = op2,                                                              \
448     .opc3 = op3,                                                              \
449     .opc4 = 0xff,                                                             \
450     .handler = {                                                              \
451         .inval1  = invl1,                                                     \
452         .inval2  = invl2,                                                     \
453         .type = _typ,                                                         \
454         .type2 = _typ2,                                                       \
455         .handler = &gen_##name,                                               \
456         .oname = stringify(name),                                             \
457     },                                                                        \
458     .oname = stringify(name),                                                 \
459 }
460 #define GEN_OPCODE2(name, onam, op1, op2, op3, invl, _typ, _typ2)             \
461 {                                                                             \
462     .opc1 = op1,                                                              \
463     .opc2 = op2,                                                              \
464     .opc3 = op3,                                                              \
465     .opc4 = 0xff,                                                             \
466     .handler = {                                                              \
467         .inval1  = invl,                                                      \
468         .type = _typ,                                                         \
469         .type2 = _typ2,                                                       \
470         .handler = &gen_##name,                                               \
471         .oname = onam,                                                        \
472     },                                                                        \
473     .oname = onam,                                                            \
474 }
475 #define GEN_OPCODE3(name, op1, op2, op3, op4, invl, _typ, _typ2)              \
476 {                                                                             \
477     .opc1 = op1,                                                              \
478     .opc2 = op2,                                                              \
479     .opc3 = op3,                                                              \
480     .opc4 = op4,                                                              \
481     .handler = {                                                              \
482         .inval1  = invl,                                                      \
483         .type = _typ,                                                         \
484         .type2 = _typ2,                                                       \
485         .handler = &gen_##name,                                               \
486         .oname = stringify(name),                                             \
487     },                                                                        \
488     .oname = stringify(name),                                                 \
489 }
490 #define GEN_OPCODE4(name, onam, op1, op2, op3, op4, invl, _typ, _typ2)        \
491 {                                                                             \
492     .opc1 = op1,                                                              \
493     .opc2 = op2,                                                              \
494     .opc3 = op3,                                                              \
495     .opc4 = op4,                                                              \
496     .handler = {                                                              \
497         .inval1  = invl,                                                      \
498         .type = _typ,                                                         \
499         .type2 = _typ2,                                                       \
500         .handler = &gen_##name,                                               \
501         .oname = onam,                                                        \
502     },                                                                        \
503     .oname = onam,                                                            \
504 }
505 #else
506 #define GEN_OPCODE(name, op1, op2, op3, invl, _typ, _typ2)                    \
507 {                                                                             \
508     .opc1 = op1,                                                              \
509     .opc2 = op2,                                                              \
510     .opc3 = op3,                                                              \
511     .opc4 = 0xff,                                                             \
512     .handler = {                                                              \
513         .inval1  = invl,                                                      \
514         .type = _typ,                                                         \
515         .type2 = _typ2,                                                       \
516         .handler = &gen_##name,                                               \
517     },                                                                        \
518     .oname = stringify(name),                                                 \
519 }
520 #define GEN_OPCODE_DUAL(name, op1, op2, op3, invl1, invl2, _typ, _typ2)       \
521 {                                                                             \
522     .opc1 = op1,                                                              \
523     .opc2 = op2,                                                              \
524     .opc3 = op3,                                                              \
525     .opc4 = 0xff,                                                             \
526     .handler = {                                                              \
527         .inval1  = invl1,                                                     \
528         .inval2  = invl2,                                                     \
529         .type = _typ,                                                         \
530         .type2 = _typ2,                                                       \
531         .handler = &gen_##name,                                               \
532     },                                                                        \
533     .oname = stringify(name),                                                 \
534 }
535 #define GEN_OPCODE2(name, onam, op1, op2, op3, invl, _typ, _typ2)             \
536 {                                                                             \
537     .opc1 = op1,                                                              \
538     .opc2 = op2,                                                              \
539     .opc3 = op3,                                                              \
540     .opc4 = 0xff,                                                             \
541     .handler = {                                                              \
542         .inval1  = invl,                                                      \
543         .type = _typ,                                                         \
544         .type2 = _typ2,                                                       \
545         .handler = &gen_##name,                                               \
546     },                                                                        \
547     .oname = onam,                                                            \
548 }
549 #define GEN_OPCODE3(name, op1, op2, op3, op4, invl, _typ, _typ2)              \
550 {                                                                             \
551     .opc1 = op1,                                                              \
552     .opc2 = op2,                                                              \
553     .opc3 = op3,                                                              \
554     .opc4 = op4,                                                              \
555     .handler = {                                                              \
556         .inval1  = invl,                                                      \
557         .type = _typ,                                                         \
558         .type2 = _typ2,                                                       \
559         .handler = &gen_##name,                                               \
560     },                                                                        \
561     .oname = stringify(name),                                                 \
562 }
563 #define GEN_OPCODE4(name, onam, op1, op2, op3, op4, invl, _typ, _typ2)        \
564 {                                                                             \
565     .opc1 = op1,                                                              \
566     .opc2 = op2,                                                              \
567     .opc3 = op3,                                                              \
568     .opc4 = op4,                                                              \
569     .handler = {                                                              \
570         .inval1  = invl,                                                      \
571         .type = _typ,                                                         \
572         .type2 = _typ2,                                                       \
573         .handler = &gen_##name,                                               \
574     },                                                                        \
575     .oname = onam,                                                            \
576 }
577 #endif
578 
579 /* SPR load/store helpers */
580 static inline void gen_load_spr(TCGv t, int reg)
581 {
582     tcg_gen_ld_tl(t, cpu_env, offsetof(CPUPPCState, spr[reg]));
583 }
584 
585 static inline void gen_store_spr(int reg, TCGv t)
586 {
587     tcg_gen_st_tl(t, cpu_env, offsetof(CPUPPCState, spr[reg]));
588 }
589 
590 /* Invalid instruction */
591 static void gen_invalid(DisasContext *ctx)
592 {
593     gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
594 }
595 
596 static opc_handler_t invalid_handler = {
597     .inval1  = 0xFFFFFFFF,
598     .inval2  = 0xFFFFFFFF,
599     .type    = PPC_NONE,
600     .type2   = PPC_NONE,
601     .handler = gen_invalid,
602 };
603 
604 /***                           Integer comparison                          ***/
605 
606 static inline void gen_op_cmp(TCGv arg0, TCGv arg1, int s, int crf)
607 {
608     TCGv t0 = tcg_temp_new();
609     TCGv_i32 t1 = tcg_temp_new_i32();
610 
611     tcg_gen_trunc_tl_i32(cpu_crf[crf], cpu_so);
612 
613     tcg_gen_setcond_tl((s ? TCG_COND_LT: TCG_COND_LTU), t0, arg0, arg1);
614     tcg_gen_trunc_tl_i32(t1, t0);
615     tcg_gen_shli_i32(t1, t1, CRF_LT_BIT);
616     tcg_gen_or_i32(cpu_crf[crf], cpu_crf[crf], t1);
617 
618     tcg_gen_setcond_tl((s ? TCG_COND_GT: TCG_COND_GTU), t0, arg0, arg1);
619     tcg_gen_trunc_tl_i32(t1, t0);
620     tcg_gen_shli_i32(t1, t1, CRF_GT_BIT);
621     tcg_gen_or_i32(cpu_crf[crf], cpu_crf[crf], t1);
622 
623     tcg_gen_setcond_tl(TCG_COND_EQ, t0, arg0, arg1);
624     tcg_gen_trunc_tl_i32(t1, t0);
625     tcg_gen_shli_i32(t1, t1, CRF_EQ_BIT);
626     tcg_gen_or_i32(cpu_crf[crf], cpu_crf[crf], t1);
627 
628     tcg_temp_free(t0);
629     tcg_temp_free_i32(t1);
630 }
631 
632 static inline void gen_op_cmpi(TCGv arg0, target_ulong arg1, int s, int crf)
633 {
634     TCGv t0 = tcg_const_tl(arg1);
635     gen_op_cmp(arg0, t0, s, crf);
636     tcg_temp_free(t0);
637 }
638 
639 static inline void gen_op_cmp32(TCGv arg0, TCGv arg1, int s, int crf)
640 {
641     TCGv t0, t1;
642     t0 = tcg_temp_new();
643     t1 = tcg_temp_new();
644     if (s) {
645         tcg_gen_ext32s_tl(t0, arg0);
646         tcg_gen_ext32s_tl(t1, arg1);
647     } else {
648         tcg_gen_ext32u_tl(t0, arg0);
649         tcg_gen_ext32u_tl(t1, arg1);
650     }
651     gen_op_cmp(t0, t1, s, crf);
652     tcg_temp_free(t1);
653     tcg_temp_free(t0);
654 }
655 
656 static inline void gen_op_cmpi32(TCGv arg0, target_ulong arg1, int s, int crf)
657 {
658     TCGv t0 = tcg_const_tl(arg1);
659     gen_op_cmp32(arg0, t0, s, crf);
660     tcg_temp_free(t0);
661 }
662 
663 static inline void gen_set_Rc0(DisasContext *ctx, TCGv reg)
664 {
665     if (NARROW_MODE(ctx)) {
666         gen_op_cmpi32(reg, 0, 1, 0);
667     } else {
668         gen_op_cmpi(reg, 0, 1, 0);
669     }
670 }
671 
672 /* cmp */
673 static void gen_cmp(DisasContext *ctx)
674 {
675     if ((ctx->opcode & 0x00200000) && (ctx->insns_flags & PPC_64B)) {
676         gen_op_cmp(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],
677                    1, crfD(ctx->opcode));
678     } else {
679         gen_op_cmp32(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],
680                      1, crfD(ctx->opcode));
681     }
682 }
683 
684 /* cmpi */
685 static void gen_cmpi(DisasContext *ctx)
686 {
687     if ((ctx->opcode & 0x00200000) && (ctx->insns_flags & PPC_64B)) {
688         gen_op_cmpi(cpu_gpr[rA(ctx->opcode)], SIMM(ctx->opcode),
689                     1, crfD(ctx->opcode));
690     } else {
691         gen_op_cmpi32(cpu_gpr[rA(ctx->opcode)], SIMM(ctx->opcode),
692                       1, crfD(ctx->opcode));
693     }
694 }
695 
696 /* cmpl */
697 static void gen_cmpl(DisasContext *ctx)
698 {
699     if ((ctx->opcode & 0x00200000) && (ctx->insns_flags & PPC_64B)) {
700         gen_op_cmp(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],
701                    0, crfD(ctx->opcode));
702     } else {
703         gen_op_cmp32(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],
704                      0, crfD(ctx->opcode));
705     }
706 }
707 
708 /* cmpli */
709 static void gen_cmpli(DisasContext *ctx)
710 {
711     if ((ctx->opcode & 0x00200000) && (ctx->insns_flags & PPC_64B)) {
712         gen_op_cmpi(cpu_gpr[rA(ctx->opcode)], UIMM(ctx->opcode),
713                     0, crfD(ctx->opcode));
714     } else {
715         gen_op_cmpi32(cpu_gpr[rA(ctx->opcode)], UIMM(ctx->opcode),
716                       0, crfD(ctx->opcode));
717     }
718 }
719 
720 /* cmprb - range comparison: isupper, isaplha, islower*/
721 static void gen_cmprb(DisasContext *ctx)
722 {
723     TCGv_i32 src1 = tcg_temp_new_i32();
724     TCGv_i32 src2 = tcg_temp_new_i32();
725     TCGv_i32 src2lo = tcg_temp_new_i32();
726     TCGv_i32 src2hi = tcg_temp_new_i32();
727     TCGv_i32 crf = cpu_crf[crfD(ctx->opcode)];
728 
729     tcg_gen_trunc_tl_i32(src1, cpu_gpr[rA(ctx->opcode)]);
730     tcg_gen_trunc_tl_i32(src2, cpu_gpr[rB(ctx->opcode)]);
731 
732     tcg_gen_andi_i32(src1, src1, 0xFF);
733     tcg_gen_ext8u_i32(src2lo, src2);
734     tcg_gen_shri_i32(src2, src2, 8);
735     tcg_gen_ext8u_i32(src2hi, src2);
736 
737     tcg_gen_setcond_i32(TCG_COND_LEU, src2lo, src2lo, src1);
738     tcg_gen_setcond_i32(TCG_COND_LEU, src2hi, src1, src2hi);
739     tcg_gen_and_i32(crf, src2lo, src2hi);
740 
741     if (ctx->opcode & 0x00200000) {
742         tcg_gen_shri_i32(src2, src2, 8);
743         tcg_gen_ext8u_i32(src2lo, src2);
744         tcg_gen_shri_i32(src2, src2, 8);
745         tcg_gen_ext8u_i32(src2hi, src2);
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(src2lo, src2lo, src2hi);
749         tcg_gen_or_i32(crf, crf, src2lo);
750     }
751     tcg_gen_shli_i32(crf, crf, CRF_GT_BIT);
752     tcg_temp_free_i32(src1);
753     tcg_temp_free_i32(src2);
754     tcg_temp_free_i32(src2lo);
755     tcg_temp_free_i32(src2hi);
756 }
757 
758 #if defined(TARGET_PPC64)
759 /* cmpeqb */
760 static void gen_cmpeqb(DisasContext *ctx)
761 {
762     gen_helper_cmpeqb(cpu_crf[crfD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
763                       cpu_gpr[rB(ctx->opcode)]);
764 }
765 #endif
766 
767 /* isel (PowerPC 2.03 specification) */
768 static void gen_isel(DisasContext *ctx)
769 {
770     uint32_t bi = rC(ctx->opcode);
771     uint32_t mask = 0x08 >> (bi & 0x03);
772     TCGv t0 = tcg_temp_new();
773     TCGv zr;
774 
775     tcg_gen_extu_i32_tl(t0, cpu_crf[bi >> 2]);
776     tcg_gen_andi_tl(t0, t0, mask);
777 
778     zr = tcg_const_tl(0);
779     tcg_gen_movcond_tl(TCG_COND_NE, cpu_gpr[rD(ctx->opcode)], t0, zr,
780                        rA(ctx->opcode) ? cpu_gpr[rA(ctx->opcode)] : zr,
781                        cpu_gpr[rB(ctx->opcode)]);
782     tcg_temp_free(zr);
783     tcg_temp_free(t0);
784 }
785 
786 /* cmpb: PowerPC 2.05 specification */
787 static void gen_cmpb(DisasContext *ctx)
788 {
789     gen_helper_cmpb(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)],
790                     cpu_gpr[rB(ctx->opcode)]);
791 }
792 
793 /***                           Integer arithmetic                          ***/
794 
795 static inline void gen_op_arith_compute_ov(DisasContext *ctx, TCGv arg0,
796                                            TCGv arg1, TCGv arg2, int sub)
797 {
798     TCGv t0 = tcg_temp_new();
799 
800     tcg_gen_xor_tl(cpu_ov, arg0, arg2);
801     tcg_gen_xor_tl(t0, arg1, arg2);
802     if (sub) {
803         tcg_gen_and_tl(cpu_ov, cpu_ov, t0);
804     } else {
805         tcg_gen_andc_tl(cpu_ov, cpu_ov, t0);
806     }
807     tcg_temp_free(t0);
808     if (NARROW_MODE(ctx)) {
809         tcg_gen_ext32s_tl(cpu_ov, cpu_ov);
810     }
811     tcg_gen_shri_tl(cpu_ov, cpu_ov, TARGET_LONG_BITS - 1);
812     tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov);
813 }
814 
815 /* Common add function */
816 static inline void gen_op_arith_add(DisasContext *ctx, TCGv ret, TCGv arg1,
817                                     TCGv arg2, bool add_ca, bool compute_ca,
818                                     bool compute_ov, bool compute_rc0)
819 {
820     TCGv t0 = ret;
821 
822     if (compute_ca || compute_ov) {
823         t0 = tcg_temp_new();
824     }
825 
826     if (compute_ca) {
827         if (NARROW_MODE(ctx)) {
828             /* Caution: a non-obvious corner case of the spec is that we
829                must produce the *entire* 64-bit addition, but produce the
830                carry into bit 32.  */
831             TCGv t1 = tcg_temp_new();
832             tcg_gen_xor_tl(t1, arg1, arg2);        /* add without carry */
833             tcg_gen_add_tl(t0, arg1, arg2);
834             if (add_ca) {
835                 tcg_gen_add_tl(t0, t0, cpu_ca);
836             }
837             tcg_gen_xor_tl(cpu_ca, t0, t1);        /* bits changed w/ carry */
838             tcg_temp_free(t1);
839             tcg_gen_shri_tl(cpu_ca, cpu_ca, 32);   /* extract bit 32 */
840             tcg_gen_andi_tl(cpu_ca, cpu_ca, 1);
841         } else {
842             TCGv zero = tcg_const_tl(0);
843             if (add_ca) {
844                 tcg_gen_add2_tl(t0, cpu_ca, arg1, zero, cpu_ca, zero);
845                 tcg_gen_add2_tl(t0, cpu_ca, t0, cpu_ca, arg2, zero);
846             } else {
847                 tcg_gen_add2_tl(t0, cpu_ca, arg1, zero, arg2, zero);
848             }
849             tcg_temp_free(zero);
850         }
851     } else {
852         tcg_gen_add_tl(t0, arg1, arg2);
853         if (add_ca) {
854             tcg_gen_add_tl(t0, t0, cpu_ca);
855         }
856     }
857 
858     if (compute_ov) {
859         gen_op_arith_compute_ov(ctx, t0, arg1, arg2, 0);
860     }
861     if (unlikely(compute_rc0)) {
862         gen_set_Rc0(ctx, t0);
863     }
864 
865     if (!TCGV_EQUAL(t0, ret)) {
866         tcg_gen_mov_tl(ret, t0);
867         tcg_temp_free(t0);
868     }
869 }
870 /* Add functions with two operands */
871 #define GEN_INT_ARITH_ADD(name, opc3, add_ca, compute_ca, compute_ov)         \
872 static void glue(gen_, name)(DisasContext *ctx)                               \
873 {                                                                             \
874     gen_op_arith_add(ctx, cpu_gpr[rD(ctx->opcode)],                           \
875                      cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],      \
876                      add_ca, compute_ca, compute_ov, Rc(ctx->opcode));        \
877 }
878 /* Add functions with one operand and one immediate */
879 #define GEN_INT_ARITH_ADD_CONST(name, opc3, const_val,                        \
880                                 add_ca, compute_ca, compute_ov)               \
881 static void glue(gen_, name)(DisasContext *ctx)                               \
882 {                                                                             \
883     TCGv t0 = tcg_const_tl(const_val);                                        \
884     gen_op_arith_add(ctx, cpu_gpr[rD(ctx->opcode)],                           \
885                      cpu_gpr[rA(ctx->opcode)], t0,                            \
886                      add_ca, compute_ca, compute_ov, Rc(ctx->opcode));        \
887     tcg_temp_free(t0);                                                        \
888 }
889 
890 /* add  add.  addo  addo. */
891 GEN_INT_ARITH_ADD(add, 0x08, 0, 0, 0)
892 GEN_INT_ARITH_ADD(addo, 0x18, 0, 0, 1)
893 /* addc  addc.  addco  addco. */
894 GEN_INT_ARITH_ADD(addc, 0x00, 0, 1, 0)
895 GEN_INT_ARITH_ADD(addco, 0x10, 0, 1, 1)
896 /* adde  adde.  addeo  addeo. */
897 GEN_INT_ARITH_ADD(adde, 0x04, 1, 1, 0)
898 GEN_INT_ARITH_ADD(addeo, 0x14, 1, 1, 1)
899 /* addme  addme.  addmeo  addmeo.  */
900 GEN_INT_ARITH_ADD_CONST(addme, 0x07, -1LL, 1, 1, 0)
901 GEN_INT_ARITH_ADD_CONST(addmeo, 0x17, -1LL, 1, 1, 1)
902 /* addze  addze.  addzeo  addzeo.*/
903 GEN_INT_ARITH_ADD_CONST(addze, 0x06, 0, 1, 1, 0)
904 GEN_INT_ARITH_ADD_CONST(addzeo, 0x16, 0, 1, 1, 1)
905 /* addi */
906 static void gen_addi(DisasContext *ctx)
907 {
908     target_long simm = SIMM(ctx->opcode);
909 
910     if (rA(ctx->opcode) == 0) {
911         /* li case */
912         tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], simm);
913     } else {
914         tcg_gen_addi_tl(cpu_gpr[rD(ctx->opcode)],
915                         cpu_gpr[rA(ctx->opcode)], simm);
916     }
917 }
918 /* addic  addic.*/
919 static inline void gen_op_addic(DisasContext *ctx, bool compute_rc0)
920 {
921     TCGv c = tcg_const_tl(SIMM(ctx->opcode));
922     gen_op_arith_add(ctx, cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
923                      c, 0, 1, 0, compute_rc0);
924     tcg_temp_free(c);
925 }
926 
927 static void gen_addic(DisasContext *ctx)
928 {
929     gen_op_addic(ctx, 0);
930 }
931 
932 static void gen_addic_(DisasContext *ctx)
933 {
934     gen_op_addic(ctx, 1);
935 }
936 
937 /* addis */
938 static void gen_addis(DisasContext *ctx)
939 {
940     target_long simm = SIMM(ctx->opcode);
941 
942     if (rA(ctx->opcode) == 0) {
943         /* lis case */
944         tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], simm << 16);
945     } else {
946         tcg_gen_addi_tl(cpu_gpr[rD(ctx->opcode)],
947                         cpu_gpr[rA(ctx->opcode)], simm << 16);
948     }
949 }
950 
951 /* addpcis */
952 static void gen_addpcis(DisasContext *ctx)
953 {
954     target_long d = DX(ctx->opcode);
955 
956     tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], ctx->nip + (d << 16));
957 }
958 
959 static inline void gen_op_arith_divw(DisasContext *ctx, TCGv ret, TCGv arg1,
960                                      TCGv arg2, int sign, int compute_ov)
961 {
962     TCGv_i32 t0 = tcg_temp_new_i32();
963     TCGv_i32 t1 = tcg_temp_new_i32();
964     TCGv_i32 t2 = tcg_temp_new_i32();
965     TCGv_i32 t3 = tcg_temp_new_i32();
966 
967     tcg_gen_trunc_tl_i32(t0, arg1);
968     tcg_gen_trunc_tl_i32(t1, arg2);
969     if (sign) {
970         tcg_gen_setcondi_i32(TCG_COND_EQ, t2, t0, INT_MIN);
971         tcg_gen_setcondi_i32(TCG_COND_EQ, t3, t1, -1);
972         tcg_gen_and_i32(t2, t2, t3);
973         tcg_gen_setcondi_i32(TCG_COND_EQ, t3, t1, 0);
974         tcg_gen_or_i32(t2, t2, t3);
975         tcg_gen_movi_i32(t3, 0);
976         tcg_gen_movcond_i32(TCG_COND_NE, t1, t2, t3, t2, t1);
977         tcg_gen_div_i32(t3, t0, t1);
978         tcg_gen_extu_i32_tl(ret, t3);
979     } else {
980         tcg_gen_setcondi_i32(TCG_COND_EQ, t2, t1, 0);
981         tcg_gen_movi_i32(t3, 0);
982         tcg_gen_movcond_i32(TCG_COND_NE, t1, t2, t3, t2, t1);
983         tcg_gen_divu_i32(t3, t0, t1);
984         tcg_gen_extu_i32_tl(ret, t3);
985     }
986     if (compute_ov) {
987         tcg_gen_extu_i32_tl(cpu_ov, t2);
988         tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov);
989     }
990     tcg_temp_free_i32(t0);
991     tcg_temp_free_i32(t1);
992     tcg_temp_free_i32(t2);
993     tcg_temp_free_i32(t3);
994 
995     if (unlikely(Rc(ctx->opcode) != 0))
996         gen_set_Rc0(ctx, ret);
997 }
998 /* Div functions */
999 #define GEN_INT_ARITH_DIVW(name, opc3, sign, compute_ov)                      \
1000 static void glue(gen_, name)(DisasContext *ctx)                                       \
1001 {                                                                             \
1002     gen_op_arith_divw(ctx, cpu_gpr[rD(ctx->opcode)],                          \
1003                      cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],      \
1004                      sign, compute_ov);                                       \
1005 }
1006 /* divwu  divwu.  divwuo  divwuo.   */
1007 GEN_INT_ARITH_DIVW(divwu, 0x0E, 0, 0);
1008 GEN_INT_ARITH_DIVW(divwuo, 0x1E, 0, 1);
1009 /* divw  divw.  divwo  divwo.   */
1010 GEN_INT_ARITH_DIVW(divw, 0x0F, 1, 0);
1011 GEN_INT_ARITH_DIVW(divwo, 0x1F, 1, 1);
1012 
1013 /* div[wd]eu[o][.] */
1014 #define GEN_DIVE(name, hlpr, compute_ov)                                      \
1015 static void gen_##name(DisasContext *ctx)                                     \
1016 {                                                                             \
1017     TCGv_i32 t0 = tcg_const_i32(compute_ov);                                  \
1018     gen_helper_##hlpr(cpu_gpr[rD(ctx->opcode)], cpu_env,                      \
1019                      cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], t0); \
1020     tcg_temp_free_i32(t0);                                                    \
1021     if (unlikely(Rc(ctx->opcode) != 0)) {                                     \
1022         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);                           \
1023     }                                                                         \
1024 }
1025 
1026 GEN_DIVE(divweu, divweu, 0);
1027 GEN_DIVE(divweuo, divweu, 1);
1028 GEN_DIVE(divwe, divwe, 0);
1029 GEN_DIVE(divweo, divwe, 1);
1030 
1031 #if defined(TARGET_PPC64)
1032 static inline void gen_op_arith_divd(DisasContext *ctx, TCGv ret, TCGv arg1,
1033                                      TCGv arg2, int sign, int compute_ov)
1034 {
1035     TCGv_i64 t0 = tcg_temp_new_i64();
1036     TCGv_i64 t1 = tcg_temp_new_i64();
1037     TCGv_i64 t2 = tcg_temp_new_i64();
1038     TCGv_i64 t3 = tcg_temp_new_i64();
1039 
1040     tcg_gen_mov_i64(t0, arg1);
1041     tcg_gen_mov_i64(t1, arg2);
1042     if (sign) {
1043         tcg_gen_setcondi_i64(TCG_COND_EQ, t2, t0, INT64_MIN);
1044         tcg_gen_setcondi_i64(TCG_COND_EQ, t3, t1, -1);
1045         tcg_gen_and_i64(t2, t2, t3);
1046         tcg_gen_setcondi_i64(TCG_COND_EQ, t3, t1, 0);
1047         tcg_gen_or_i64(t2, t2, t3);
1048         tcg_gen_movi_i64(t3, 0);
1049         tcg_gen_movcond_i64(TCG_COND_NE, t1, t2, t3, t2, t1);
1050         tcg_gen_div_i64(ret, t0, t1);
1051     } else {
1052         tcg_gen_setcondi_i64(TCG_COND_EQ, t2, t1, 0);
1053         tcg_gen_movi_i64(t3, 0);
1054         tcg_gen_movcond_i64(TCG_COND_NE, t1, t2, t3, t2, t1);
1055         tcg_gen_divu_i64(ret, t0, t1);
1056     }
1057     if (compute_ov) {
1058         tcg_gen_mov_tl(cpu_ov, t2);
1059         tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov);
1060     }
1061     tcg_temp_free_i64(t0);
1062     tcg_temp_free_i64(t1);
1063     tcg_temp_free_i64(t2);
1064     tcg_temp_free_i64(t3);
1065 
1066     if (unlikely(Rc(ctx->opcode) != 0))
1067         gen_set_Rc0(ctx, ret);
1068 }
1069 
1070 #define GEN_INT_ARITH_DIVD(name, opc3, sign, compute_ov)                      \
1071 static void glue(gen_, name)(DisasContext *ctx)                                       \
1072 {                                                                             \
1073     gen_op_arith_divd(ctx, cpu_gpr[rD(ctx->opcode)],                          \
1074                       cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],     \
1075                       sign, compute_ov);                                      \
1076 }
1077 /* divwu  divwu.  divwuo  divwuo.   */
1078 GEN_INT_ARITH_DIVD(divdu, 0x0E, 0, 0);
1079 GEN_INT_ARITH_DIVD(divduo, 0x1E, 0, 1);
1080 /* divw  divw.  divwo  divwo.   */
1081 GEN_INT_ARITH_DIVD(divd, 0x0F, 1, 0);
1082 GEN_INT_ARITH_DIVD(divdo, 0x1F, 1, 1);
1083 
1084 GEN_DIVE(divdeu, divdeu, 0);
1085 GEN_DIVE(divdeuo, divdeu, 1);
1086 GEN_DIVE(divde, divde, 0);
1087 GEN_DIVE(divdeo, divde, 1);
1088 #endif
1089 
1090 static inline void gen_op_arith_modw(DisasContext *ctx, TCGv ret, TCGv arg1,
1091                                      TCGv arg2, int sign)
1092 {
1093     TCGv_i32 t0 = tcg_temp_new_i32();
1094     TCGv_i32 t1 = tcg_temp_new_i32();
1095 
1096     tcg_gen_trunc_tl_i32(t0, arg1);
1097     tcg_gen_trunc_tl_i32(t1, arg2);
1098     if (sign) {
1099         TCGv_i32 t2 = tcg_temp_new_i32();
1100         TCGv_i32 t3 = tcg_temp_new_i32();
1101         tcg_gen_setcondi_i32(TCG_COND_EQ, t2, t0, INT_MIN);
1102         tcg_gen_setcondi_i32(TCG_COND_EQ, t3, t1, -1);
1103         tcg_gen_and_i32(t2, t2, t3);
1104         tcg_gen_setcondi_i32(TCG_COND_EQ, t3, t1, 0);
1105         tcg_gen_or_i32(t2, t2, t3);
1106         tcg_gen_movi_i32(t3, 0);
1107         tcg_gen_movcond_i32(TCG_COND_NE, t1, t2, t3, t2, t1);
1108         tcg_gen_rem_i32(t3, t0, t1);
1109         tcg_gen_ext_i32_tl(ret, t3);
1110         tcg_temp_free_i32(t2);
1111         tcg_temp_free_i32(t3);
1112     } else {
1113         TCGv_i32 t2 = tcg_const_i32(1);
1114         TCGv_i32 t3 = tcg_const_i32(0);
1115         tcg_gen_movcond_i32(TCG_COND_EQ, t1, t1, t3, t2, t1);
1116         tcg_gen_remu_i32(t3, t0, t1);
1117         tcg_gen_extu_i32_tl(ret, t3);
1118         tcg_temp_free_i32(t2);
1119         tcg_temp_free_i32(t3);
1120     }
1121     tcg_temp_free_i32(t0);
1122     tcg_temp_free_i32(t1);
1123 }
1124 
1125 #define GEN_INT_ARITH_MODW(name, opc3, sign)                                \
1126 static void glue(gen_, name)(DisasContext *ctx)                             \
1127 {                                                                           \
1128     gen_op_arith_modw(ctx, cpu_gpr[rD(ctx->opcode)],                        \
1129                       cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],   \
1130                       sign);                                                \
1131 }
1132 
1133 GEN_INT_ARITH_MODW(moduw, 0x08, 0);
1134 GEN_INT_ARITH_MODW(modsw, 0x18, 1);
1135 
1136 #if defined(TARGET_PPC64)
1137 static inline void gen_op_arith_modd(DisasContext *ctx, TCGv ret, TCGv arg1,
1138                                      TCGv arg2, int sign)
1139 {
1140     TCGv_i64 t0 = tcg_temp_new_i64();
1141     TCGv_i64 t1 = tcg_temp_new_i64();
1142 
1143     tcg_gen_mov_i64(t0, arg1);
1144     tcg_gen_mov_i64(t1, arg2);
1145     if (sign) {
1146         TCGv_i64 t2 = tcg_temp_new_i64();
1147         TCGv_i64 t3 = tcg_temp_new_i64();
1148         tcg_gen_setcondi_i64(TCG_COND_EQ, t2, t0, INT64_MIN);
1149         tcg_gen_setcondi_i64(TCG_COND_EQ, t3, t1, -1);
1150         tcg_gen_and_i64(t2, t2, t3);
1151         tcg_gen_setcondi_i64(TCG_COND_EQ, t3, t1, 0);
1152         tcg_gen_or_i64(t2, t2, t3);
1153         tcg_gen_movi_i64(t3, 0);
1154         tcg_gen_movcond_i64(TCG_COND_NE, t1, t2, t3, t2, t1);
1155         tcg_gen_rem_i64(ret, t0, t1);
1156         tcg_temp_free_i64(t2);
1157         tcg_temp_free_i64(t3);
1158     } else {
1159         TCGv_i64 t2 = tcg_const_i64(1);
1160         TCGv_i64 t3 = tcg_const_i64(0);
1161         tcg_gen_movcond_i64(TCG_COND_EQ, t1, t1, t3, t2, t1);
1162         tcg_gen_remu_i64(ret, t0, t1);
1163         tcg_temp_free_i64(t2);
1164         tcg_temp_free_i64(t3);
1165     }
1166     tcg_temp_free_i64(t0);
1167     tcg_temp_free_i64(t1);
1168 }
1169 
1170 #define GEN_INT_ARITH_MODD(name, opc3, sign)                            \
1171 static void glue(gen_, name)(DisasContext *ctx)                           \
1172 {                                                                         \
1173   gen_op_arith_modd(ctx, cpu_gpr[rD(ctx->opcode)],                        \
1174                     cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],   \
1175                     sign);                                                \
1176 }
1177 
1178 GEN_INT_ARITH_MODD(modud, 0x08, 0);
1179 GEN_INT_ARITH_MODD(modsd, 0x18, 1);
1180 #endif
1181 
1182 /* mulhw  mulhw. */
1183 static void gen_mulhw(DisasContext *ctx)
1184 {
1185     TCGv_i32 t0 = tcg_temp_new_i32();
1186     TCGv_i32 t1 = tcg_temp_new_i32();
1187 
1188     tcg_gen_trunc_tl_i32(t0, cpu_gpr[rA(ctx->opcode)]);
1189     tcg_gen_trunc_tl_i32(t1, cpu_gpr[rB(ctx->opcode)]);
1190     tcg_gen_muls2_i32(t0, t1, t0, t1);
1191     tcg_gen_extu_i32_tl(cpu_gpr[rD(ctx->opcode)], t1);
1192     tcg_temp_free_i32(t0);
1193     tcg_temp_free_i32(t1);
1194     if (unlikely(Rc(ctx->opcode) != 0))
1195         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
1196 }
1197 
1198 /* mulhwu  mulhwu.  */
1199 static void gen_mulhwu(DisasContext *ctx)
1200 {
1201     TCGv_i32 t0 = tcg_temp_new_i32();
1202     TCGv_i32 t1 = tcg_temp_new_i32();
1203 
1204     tcg_gen_trunc_tl_i32(t0, cpu_gpr[rA(ctx->opcode)]);
1205     tcg_gen_trunc_tl_i32(t1, cpu_gpr[rB(ctx->opcode)]);
1206     tcg_gen_mulu2_i32(t0, t1, t0, t1);
1207     tcg_gen_extu_i32_tl(cpu_gpr[rD(ctx->opcode)], t1);
1208     tcg_temp_free_i32(t0);
1209     tcg_temp_free_i32(t1);
1210     if (unlikely(Rc(ctx->opcode) != 0))
1211         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
1212 }
1213 
1214 /* mullw  mullw. */
1215 static void gen_mullw(DisasContext *ctx)
1216 {
1217 #if defined(TARGET_PPC64)
1218     TCGv_i64 t0, t1;
1219     t0 = tcg_temp_new_i64();
1220     t1 = tcg_temp_new_i64();
1221     tcg_gen_ext32s_tl(t0, cpu_gpr[rA(ctx->opcode)]);
1222     tcg_gen_ext32s_tl(t1, cpu_gpr[rB(ctx->opcode)]);
1223     tcg_gen_mul_i64(cpu_gpr[rD(ctx->opcode)], t0, t1);
1224     tcg_temp_free(t0);
1225     tcg_temp_free(t1);
1226 #else
1227     tcg_gen_mul_i32(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
1228                     cpu_gpr[rB(ctx->opcode)]);
1229 #endif
1230     if (unlikely(Rc(ctx->opcode) != 0))
1231         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
1232 }
1233 
1234 /* mullwo  mullwo. */
1235 static void gen_mullwo(DisasContext *ctx)
1236 {
1237     TCGv_i32 t0 = tcg_temp_new_i32();
1238     TCGv_i32 t1 = tcg_temp_new_i32();
1239 
1240     tcg_gen_trunc_tl_i32(t0, cpu_gpr[rA(ctx->opcode)]);
1241     tcg_gen_trunc_tl_i32(t1, cpu_gpr[rB(ctx->opcode)]);
1242     tcg_gen_muls2_i32(t0, t1, t0, t1);
1243 #if defined(TARGET_PPC64)
1244     tcg_gen_concat_i32_i64(cpu_gpr[rD(ctx->opcode)], t0, t1);
1245 #else
1246     tcg_gen_mov_i32(cpu_gpr[rD(ctx->opcode)], t0);
1247 #endif
1248 
1249     tcg_gen_sari_i32(t0, t0, 31);
1250     tcg_gen_setcond_i32(TCG_COND_NE, t0, t0, t1);
1251     tcg_gen_extu_i32_tl(cpu_ov, t0);
1252     tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov);
1253 
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 /* mulli */
1261 static void gen_mulli(DisasContext *ctx)
1262 {
1263     tcg_gen_muli_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
1264                     SIMM(ctx->opcode));
1265 }
1266 
1267 #if defined(TARGET_PPC64)
1268 /* mulhd  mulhd. */
1269 static void gen_mulhd(DisasContext *ctx)
1270 {
1271     TCGv lo = tcg_temp_new();
1272     tcg_gen_muls2_tl(lo, cpu_gpr[rD(ctx->opcode)],
1273                      cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
1274     tcg_temp_free(lo);
1275     if (unlikely(Rc(ctx->opcode) != 0)) {
1276         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
1277     }
1278 }
1279 
1280 /* mulhdu  mulhdu. */
1281 static void gen_mulhdu(DisasContext *ctx)
1282 {
1283     TCGv lo = tcg_temp_new();
1284     tcg_gen_mulu2_tl(lo, cpu_gpr[rD(ctx->opcode)],
1285                      cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
1286     tcg_temp_free(lo);
1287     if (unlikely(Rc(ctx->opcode) != 0)) {
1288         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
1289     }
1290 }
1291 
1292 /* mulld  mulld. */
1293 static void gen_mulld(DisasContext *ctx)
1294 {
1295     tcg_gen_mul_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
1296                    cpu_gpr[rB(ctx->opcode)]);
1297     if (unlikely(Rc(ctx->opcode) != 0))
1298         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
1299 }
1300 
1301 /* mulldo  mulldo. */
1302 static void gen_mulldo(DisasContext *ctx)
1303 {
1304     TCGv_i64 t0 = tcg_temp_new_i64();
1305     TCGv_i64 t1 = tcg_temp_new_i64();
1306 
1307     tcg_gen_muls2_i64(t0, t1, cpu_gpr[rA(ctx->opcode)],
1308                       cpu_gpr[rB(ctx->opcode)]);
1309     tcg_gen_mov_i64(cpu_gpr[rD(ctx->opcode)], t0);
1310 
1311     tcg_gen_sari_i64(t0, t0, 63);
1312     tcg_gen_setcond_i64(TCG_COND_NE, cpu_ov, t0, t1);
1313     tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov);
1314 
1315     tcg_temp_free_i64(t0);
1316     tcg_temp_free_i64(t1);
1317 
1318     if (unlikely(Rc(ctx->opcode) != 0)) {
1319         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
1320     }
1321 }
1322 #endif
1323 
1324 /* Common subf function */
1325 static inline void gen_op_arith_subf(DisasContext *ctx, TCGv ret, TCGv arg1,
1326                                      TCGv arg2, bool add_ca, bool compute_ca,
1327                                      bool compute_ov, bool compute_rc0)
1328 {
1329     TCGv t0 = ret;
1330 
1331     if (compute_ca || compute_ov) {
1332         t0 = tcg_temp_new();
1333     }
1334 
1335     if (compute_ca) {
1336         /* dest = ~arg1 + arg2 [+ ca].  */
1337         if (NARROW_MODE(ctx)) {
1338             /* Caution: a non-obvious corner case of the spec is that we
1339                must produce the *entire* 64-bit addition, but produce the
1340                carry into bit 32.  */
1341             TCGv inv1 = tcg_temp_new();
1342             TCGv t1 = tcg_temp_new();
1343             tcg_gen_not_tl(inv1, arg1);
1344             if (add_ca) {
1345                 tcg_gen_add_tl(t0, arg2, cpu_ca);
1346             } else {
1347                 tcg_gen_addi_tl(t0, arg2, 1);
1348             }
1349             tcg_gen_xor_tl(t1, arg2, inv1);         /* add without carry */
1350             tcg_gen_add_tl(t0, t0, inv1);
1351             tcg_temp_free(inv1);
1352             tcg_gen_xor_tl(cpu_ca, t0, t1);         /* bits changes w/ carry */
1353             tcg_temp_free(t1);
1354             tcg_gen_shri_tl(cpu_ca, cpu_ca, 32);    /* extract bit 32 */
1355             tcg_gen_andi_tl(cpu_ca, cpu_ca, 1);
1356         } else if (add_ca) {
1357             TCGv zero, inv1 = tcg_temp_new();
1358             tcg_gen_not_tl(inv1, arg1);
1359             zero = tcg_const_tl(0);
1360             tcg_gen_add2_tl(t0, cpu_ca, arg2, zero, cpu_ca, zero);
1361             tcg_gen_add2_tl(t0, cpu_ca, t0, cpu_ca, inv1, zero);
1362             tcg_temp_free(zero);
1363             tcg_temp_free(inv1);
1364         } else {
1365             tcg_gen_setcond_tl(TCG_COND_GEU, cpu_ca, arg2, arg1);
1366             tcg_gen_sub_tl(t0, arg2, arg1);
1367         }
1368     } else if (add_ca) {
1369         /* Since we're ignoring carry-out, we can simplify the
1370            standard ~arg1 + arg2 + ca to arg2 - arg1 + ca - 1.  */
1371         tcg_gen_sub_tl(t0, arg2, arg1);
1372         tcg_gen_add_tl(t0, t0, cpu_ca);
1373         tcg_gen_subi_tl(t0, t0, 1);
1374     } else {
1375         tcg_gen_sub_tl(t0, arg2, arg1);
1376     }
1377 
1378     if (compute_ov) {
1379         gen_op_arith_compute_ov(ctx, t0, arg1, arg2, 1);
1380     }
1381     if (unlikely(compute_rc0)) {
1382         gen_set_Rc0(ctx, t0);
1383     }
1384 
1385     if (!TCGV_EQUAL(t0, ret)) {
1386         tcg_gen_mov_tl(ret, t0);
1387         tcg_temp_free(t0);
1388     }
1389 }
1390 /* Sub functions with Two operands functions */
1391 #define GEN_INT_ARITH_SUBF(name, opc3, add_ca, compute_ca, compute_ov)        \
1392 static void glue(gen_, name)(DisasContext *ctx)                               \
1393 {                                                                             \
1394     gen_op_arith_subf(ctx, cpu_gpr[rD(ctx->opcode)],                          \
1395                       cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],     \
1396                       add_ca, compute_ca, compute_ov, Rc(ctx->opcode));       \
1397 }
1398 /* Sub functions with one operand and one immediate */
1399 #define GEN_INT_ARITH_SUBF_CONST(name, opc3, const_val,                       \
1400                                 add_ca, compute_ca, compute_ov)               \
1401 static void glue(gen_, name)(DisasContext *ctx)                               \
1402 {                                                                             \
1403     TCGv t0 = tcg_const_tl(const_val);                                        \
1404     gen_op_arith_subf(ctx, cpu_gpr[rD(ctx->opcode)],                          \
1405                       cpu_gpr[rA(ctx->opcode)], t0,                           \
1406                       add_ca, compute_ca, compute_ov, Rc(ctx->opcode));       \
1407     tcg_temp_free(t0);                                                        \
1408 }
1409 /* subf  subf.  subfo  subfo. */
1410 GEN_INT_ARITH_SUBF(subf, 0x01, 0, 0, 0)
1411 GEN_INT_ARITH_SUBF(subfo, 0x11, 0, 0, 1)
1412 /* subfc  subfc.  subfco  subfco. */
1413 GEN_INT_ARITH_SUBF(subfc, 0x00, 0, 1, 0)
1414 GEN_INT_ARITH_SUBF(subfco, 0x10, 0, 1, 1)
1415 /* subfe  subfe.  subfeo  subfo. */
1416 GEN_INT_ARITH_SUBF(subfe, 0x04, 1, 1, 0)
1417 GEN_INT_ARITH_SUBF(subfeo, 0x14, 1, 1, 1)
1418 /* subfme  subfme.  subfmeo  subfmeo.  */
1419 GEN_INT_ARITH_SUBF_CONST(subfme, 0x07, -1LL, 1, 1, 0)
1420 GEN_INT_ARITH_SUBF_CONST(subfmeo, 0x17, -1LL, 1, 1, 1)
1421 /* subfze  subfze.  subfzeo  subfzeo.*/
1422 GEN_INT_ARITH_SUBF_CONST(subfze, 0x06, 0, 1, 1, 0)
1423 GEN_INT_ARITH_SUBF_CONST(subfzeo, 0x16, 0, 1, 1, 1)
1424 
1425 /* subfic */
1426 static void gen_subfic(DisasContext *ctx)
1427 {
1428     TCGv c = tcg_const_tl(SIMM(ctx->opcode));
1429     gen_op_arith_subf(ctx, cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
1430                       c, 0, 1, 0, 0);
1431     tcg_temp_free(c);
1432 }
1433 
1434 /* neg neg. nego nego. */
1435 static inline void gen_op_arith_neg(DisasContext *ctx, bool compute_ov)
1436 {
1437     TCGv zero = tcg_const_tl(0);
1438     gen_op_arith_subf(ctx, cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
1439                       zero, 0, 0, compute_ov, Rc(ctx->opcode));
1440     tcg_temp_free(zero);
1441 }
1442 
1443 static void gen_neg(DisasContext *ctx)
1444 {
1445     gen_op_arith_neg(ctx, 0);
1446 }
1447 
1448 static void gen_nego(DisasContext *ctx)
1449 {
1450     gen_op_arith_neg(ctx, 1);
1451 }
1452 
1453 /***                            Integer logical                            ***/
1454 #define GEN_LOGICAL2(name, tcg_op, opc, type)                                 \
1455 static void glue(gen_, name)(DisasContext *ctx)                                       \
1456 {                                                                             \
1457     tcg_op(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)],                \
1458        cpu_gpr[rB(ctx->opcode)]);                                             \
1459     if (unlikely(Rc(ctx->opcode) != 0))                                       \
1460         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);                           \
1461 }
1462 
1463 #define GEN_LOGICAL1(name, tcg_op, opc, type)                                 \
1464 static void glue(gen_, name)(DisasContext *ctx)                                       \
1465 {                                                                             \
1466     tcg_op(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);               \
1467     if (unlikely(Rc(ctx->opcode) != 0))                                       \
1468         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);                           \
1469 }
1470 
1471 /* and & and. */
1472 GEN_LOGICAL2(and, tcg_gen_and_tl, 0x00, PPC_INTEGER);
1473 /* andc & andc. */
1474 GEN_LOGICAL2(andc, tcg_gen_andc_tl, 0x01, PPC_INTEGER);
1475 
1476 /* andi. */
1477 static void gen_andi_(DisasContext *ctx)
1478 {
1479     tcg_gen_andi_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], UIMM(ctx->opcode));
1480     gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
1481 }
1482 
1483 /* andis. */
1484 static void gen_andis_(DisasContext *ctx)
1485 {
1486     tcg_gen_andi_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], UIMM(ctx->opcode) << 16);
1487     gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
1488 }
1489 
1490 /* cntlzw */
1491 static void gen_cntlzw(DisasContext *ctx)
1492 {
1493     TCGv_i32 t = tcg_temp_new_i32();
1494 
1495     tcg_gen_trunc_tl_i32(t, cpu_gpr[rS(ctx->opcode)]);
1496     tcg_gen_clzi_i32(t, t, 32);
1497     tcg_gen_extu_i32_tl(cpu_gpr[rA(ctx->opcode)], t);
1498     tcg_temp_free_i32(t);
1499 
1500     if (unlikely(Rc(ctx->opcode) != 0))
1501         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
1502 }
1503 
1504 /* cnttzw */
1505 static void gen_cnttzw(DisasContext *ctx)
1506 {
1507     TCGv_i32 t = tcg_temp_new_i32();
1508 
1509     tcg_gen_trunc_tl_i32(t, cpu_gpr[rS(ctx->opcode)]);
1510     tcg_gen_ctzi_i32(t, t, 32);
1511     tcg_gen_extu_i32_tl(cpu_gpr[rA(ctx->opcode)], t);
1512     tcg_temp_free_i32(t);
1513 
1514     if (unlikely(Rc(ctx->opcode) != 0)) {
1515         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
1516     }
1517 }
1518 
1519 /* eqv & eqv. */
1520 GEN_LOGICAL2(eqv, tcg_gen_eqv_tl, 0x08, PPC_INTEGER);
1521 /* extsb & extsb. */
1522 GEN_LOGICAL1(extsb, tcg_gen_ext8s_tl, 0x1D, PPC_INTEGER);
1523 /* extsh & extsh. */
1524 GEN_LOGICAL1(extsh, tcg_gen_ext16s_tl, 0x1C, PPC_INTEGER);
1525 /* nand & nand. */
1526 GEN_LOGICAL2(nand, tcg_gen_nand_tl, 0x0E, PPC_INTEGER);
1527 /* nor & nor. */
1528 GEN_LOGICAL2(nor, tcg_gen_nor_tl, 0x03, PPC_INTEGER);
1529 
1530 #if defined(TARGET_PPC64) && !defined(CONFIG_USER_ONLY)
1531 static void gen_pause(DisasContext *ctx)
1532 {
1533     TCGv_i32 t0 = tcg_const_i32(0);
1534     tcg_gen_st_i32(t0, cpu_env,
1535                    -offsetof(PowerPCCPU, env) + offsetof(CPUState, halted));
1536     tcg_temp_free_i32(t0);
1537 
1538     /* Stop translation, this gives other CPUs a chance to run */
1539     gen_exception_nip(ctx, EXCP_HLT, ctx->nip);
1540 }
1541 #endif /* defined(TARGET_PPC64) */
1542 
1543 /* or & or. */
1544 static void gen_or(DisasContext *ctx)
1545 {
1546     int rs, ra, rb;
1547 
1548     rs = rS(ctx->opcode);
1549     ra = rA(ctx->opcode);
1550     rb = rB(ctx->opcode);
1551     /* Optimisation for mr. ri case */
1552     if (rs != ra || rs != rb) {
1553         if (rs != rb)
1554             tcg_gen_or_tl(cpu_gpr[ra], cpu_gpr[rs], cpu_gpr[rb]);
1555         else
1556             tcg_gen_mov_tl(cpu_gpr[ra], cpu_gpr[rs]);
1557         if (unlikely(Rc(ctx->opcode) != 0))
1558             gen_set_Rc0(ctx, cpu_gpr[ra]);
1559     } else if (unlikely(Rc(ctx->opcode) != 0)) {
1560         gen_set_Rc0(ctx, cpu_gpr[rs]);
1561 #if defined(TARGET_PPC64)
1562     } else if (rs != 0) { /* 0 is nop */
1563         int prio = 0;
1564 
1565         switch (rs) {
1566         case 1:
1567             /* Set process priority to low */
1568             prio = 2;
1569             break;
1570         case 6:
1571             /* Set process priority to medium-low */
1572             prio = 3;
1573             break;
1574         case 2:
1575             /* Set process priority to normal */
1576             prio = 4;
1577             break;
1578 #if !defined(CONFIG_USER_ONLY)
1579         case 31:
1580             if (!ctx->pr) {
1581                 /* Set process priority to very low */
1582                 prio = 1;
1583             }
1584             break;
1585         case 5:
1586             if (!ctx->pr) {
1587                 /* Set process priority to medium-hight */
1588                 prio = 5;
1589             }
1590             break;
1591         case 3:
1592             if (!ctx->pr) {
1593                 /* Set process priority to high */
1594                 prio = 6;
1595             }
1596             break;
1597         case 7:
1598             if (ctx->hv && !ctx->pr) {
1599                 /* Set process priority to very high */
1600                 prio = 7;
1601             }
1602             break;
1603 #endif
1604         default:
1605             break;
1606         }
1607         if (prio) {
1608             TCGv t0 = tcg_temp_new();
1609             gen_load_spr(t0, SPR_PPR);
1610             tcg_gen_andi_tl(t0, t0, ~0x001C000000000000ULL);
1611             tcg_gen_ori_tl(t0, t0, ((uint64_t)prio) << 50);
1612             gen_store_spr(SPR_PPR, t0);
1613             tcg_temp_free(t0);
1614         }
1615 #if !defined(CONFIG_USER_ONLY)
1616         /* Pause out of TCG otherwise spin loops with smt_low eat too much
1617          * CPU and the kernel hangs.  This applies to all encodings other
1618          * than no-op, e.g., miso(rs=26), yield(27), mdoio(29), mdoom(30),
1619          * and all currently undefined.
1620          */
1621         gen_pause(ctx);
1622 #endif
1623 #endif
1624     }
1625 }
1626 /* orc & orc. */
1627 GEN_LOGICAL2(orc, tcg_gen_orc_tl, 0x0C, PPC_INTEGER);
1628 
1629 /* xor & xor. */
1630 static void gen_xor(DisasContext *ctx)
1631 {
1632     /* Optimisation for "set to zero" case */
1633     if (rS(ctx->opcode) != rB(ctx->opcode))
1634         tcg_gen_xor_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
1635     else
1636         tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0);
1637     if (unlikely(Rc(ctx->opcode) != 0))
1638         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
1639 }
1640 
1641 /* ori */
1642 static void gen_ori(DisasContext *ctx)
1643 {
1644     target_ulong uimm = UIMM(ctx->opcode);
1645 
1646     if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) {
1647         return;
1648     }
1649     tcg_gen_ori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], uimm);
1650 }
1651 
1652 /* oris */
1653 static void gen_oris(DisasContext *ctx)
1654 {
1655     target_ulong uimm = UIMM(ctx->opcode);
1656 
1657     if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) {
1658         /* NOP */
1659         return;
1660     }
1661     tcg_gen_ori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], uimm << 16);
1662 }
1663 
1664 /* xori */
1665 static void gen_xori(DisasContext *ctx)
1666 {
1667     target_ulong uimm = UIMM(ctx->opcode);
1668 
1669     if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) {
1670         /* NOP */
1671         return;
1672     }
1673     tcg_gen_xori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], uimm);
1674 }
1675 
1676 /* xoris */
1677 static void gen_xoris(DisasContext *ctx)
1678 {
1679     target_ulong uimm = UIMM(ctx->opcode);
1680 
1681     if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) {
1682         /* NOP */
1683         return;
1684     }
1685     tcg_gen_xori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], uimm << 16);
1686 }
1687 
1688 /* popcntb : PowerPC 2.03 specification */
1689 static void gen_popcntb(DisasContext *ctx)
1690 {
1691     gen_helper_popcntb(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);
1692 }
1693 
1694 static void gen_popcntw(DisasContext *ctx)
1695 {
1696 #if defined(TARGET_PPC64)
1697     gen_helper_popcntw(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);
1698 #else
1699     tcg_gen_ctpop_i32(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);
1700 #endif
1701 }
1702 
1703 #if defined(TARGET_PPC64)
1704 /* popcntd: PowerPC 2.06 specification */
1705 static void gen_popcntd(DisasContext *ctx)
1706 {
1707     tcg_gen_ctpop_i64(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);
1708 }
1709 #endif
1710 
1711 /* prtyw: PowerPC 2.05 specification */
1712 static void gen_prtyw(DisasContext *ctx)
1713 {
1714     TCGv ra = cpu_gpr[rA(ctx->opcode)];
1715     TCGv rs = cpu_gpr[rS(ctx->opcode)];
1716     TCGv t0 = tcg_temp_new();
1717     tcg_gen_shri_tl(t0, rs, 16);
1718     tcg_gen_xor_tl(ra, rs, t0);
1719     tcg_gen_shri_tl(t0, ra, 8);
1720     tcg_gen_xor_tl(ra, ra, t0);
1721     tcg_gen_andi_tl(ra, ra, (target_ulong)0x100000001ULL);
1722     tcg_temp_free(t0);
1723 }
1724 
1725 #if defined(TARGET_PPC64)
1726 /* prtyd: PowerPC 2.05 specification */
1727 static void gen_prtyd(DisasContext *ctx)
1728 {
1729     TCGv ra = cpu_gpr[rA(ctx->opcode)];
1730     TCGv rs = cpu_gpr[rS(ctx->opcode)];
1731     TCGv t0 = tcg_temp_new();
1732     tcg_gen_shri_tl(t0, rs, 32);
1733     tcg_gen_xor_tl(ra, rs, t0);
1734     tcg_gen_shri_tl(t0, ra, 16);
1735     tcg_gen_xor_tl(ra, ra, t0);
1736     tcg_gen_shri_tl(t0, ra, 8);
1737     tcg_gen_xor_tl(ra, ra, t0);
1738     tcg_gen_andi_tl(ra, ra, 1);
1739     tcg_temp_free(t0);
1740 }
1741 #endif
1742 
1743 #if defined(TARGET_PPC64)
1744 /* bpermd */
1745 static void gen_bpermd(DisasContext *ctx)
1746 {
1747     gen_helper_bpermd(cpu_gpr[rA(ctx->opcode)],
1748                       cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
1749 }
1750 #endif
1751 
1752 #if defined(TARGET_PPC64)
1753 /* extsw & extsw. */
1754 GEN_LOGICAL1(extsw, tcg_gen_ext32s_tl, 0x1E, PPC_64B);
1755 
1756 /* cntlzd */
1757 static void gen_cntlzd(DisasContext *ctx)
1758 {
1759     tcg_gen_clzi_i64(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], 64);
1760     if (unlikely(Rc(ctx->opcode) != 0))
1761         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
1762 }
1763 
1764 /* cnttzd */
1765 static void gen_cnttzd(DisasContext *ctx)
1766 {
1767     tcg_gen_ctzi_i64(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], 64);
1768     if (unlikely(Rc(ctx->opcode) != 0)) {
1769         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
1770     }
1771 }
1772 
1773 /* darn */
1774 static void gen_darn(DisasContext *ctx)
1775 {
1776     int l = L(ctx->opcode);
1777 
1778     if (l == 0) {
1779         gen_helper_darn32(cpu_gpr[rD(ctx->opcode)]);
1780     } else if (l <= 2) {
1781         /* Return 64-bit random for both CRN and RRN */
1782         gen_helper_darn64(cpu_gpr[rD(ctx->opcode)]);
1783     } else {
1784         tcg_gen_movi_i64(cpu_gpr[rD(ctx->opcode)], -1);
1785     }
1786 }
1787 #endif
1788 
1789 /***                             Integer rotate                            ***/
1790 
1791 /* rlwimi & rlwimi. */
1792 static void gen_rlwimi(DisasContext *ctx)
1793 {
1794     TCGv t_ra = cpu_gpr[rA(ctx->opcode)];
1795     TCGv t_rs = cpu_gpr[rS(ctx->opcode)];
1796     uint32_t sh = SH(ctx->opcode);
1797     uint32_t mb = MB(ctx->opcode);
1798     uint32_t me = ME(ctx->opcode);
1799 
1800     if (sh == (31-me) && mb <= me) {
1801         tcg_gen_deposit_tl(t_ra, t_ra, t_rs, sh, me - mb + 1);
1802     } else {
1803         target_ulong mask;
1804         TCGv t1;
1805 
1806 #if defined(TARGET_PPC64)
1807         mb += 32;
1808         me += 32;
1809 #endif
1810         mask = MASK(mb, me);
1811 
1812         t1 = tcg_temp_new();
1813         if (mask <= 0xffffffffu) {
1814             TCGv_i32 t0 = tcg_temp_new_i32();
1815             tcg_gen_trunc_tl_i32(t0, t_rs);
1816             tcg_gen_rotli_i32(t0, t0, sh);
1817             tcg_gen_extu_i32_tl(t1, t0);
1818             tcg_temp_free_i32(t0);
1819         } else {
1820 #if defined(TARGET_PPC64)
1821             tcg_gen_deposit_i64(t1, t_rs, t_rs, 32, 32);
1822             tcg_gen_rotli_i64(t1, t1, sh);
1823 #else
1824             g_assert_not_reached();
1825 #endif
1826         }
1827 
1828         tcg_gen_andi_tl(t1, t1, mask);
1829         tcg_gen_andi_tl(t_ra, t_ra, ~mask);
1830         tcg_gen_or_tl(t_ra, t_ra, t1);
1831         tcg_temp_free(t1);
1832     }
1833     if (unlikely(Rc(ctx->opcode) != 0)) {
1834         gen_set_Rc0(ctx, t_ra);
1835     }
1836 }
1837 
1838 /* rlwinm & rlwinm. */
1839 static void gen_rlwinm(DisasContext *ctx)
1840 {
1841     TCGv t_ra = cpu_gpr[rA(ctx->opcode)];
1842     TCGv t_rs = cpu_gpr[rS(ctx->opcode)];
1843     int sh = SH(ctx->opcode);
1844     int mb = MB(ctx->opcode);
1845     int me = ME(ctx->opcode);
1846     int len = me - mb + 1;
1847     int rsh = (32 - sh) & 31;
1848 
1849     if (sh != 0 && len > 0 && me == (31 - sh)) {
1850         tcg_gen_deposit_z_tl(t_ra, t_rs, sh, len);
1851     } else if (me == 31 && rsh + len <= 32) {
1852         tcg_gen_extract_tl(t_ra, t_rs, rsh, len);
1853     } else {
1854         target_ulong mask;
1855 #if defined(TARGET_PPC64)
1856         mb += 32;
1857         me += 32;
1858 #endif
1859         mask = MASK(mb, me);
1860         if (sh == 0) {
1861             tcg_gen_andi_tl(t_ra, t_rs, mask);
1862         } else if (mask <= 0xffffffffu) {
1863             TCGv_i32 t0 = tcg_temp_new_i32();
1864             tcg_gen_trunc_tl_i32(t0, t_rs);
1865             tcg_gen_rotli_i32(t0, t0, sh);
1866             tcg_gen_andi_i32(t0, t0, mask);
1867             tcg_gen_extu_i32_tl(t_ra, t0);
1868             tcg_temp_free_i32(t0);
1869         } else {
1870 #if defined(TARGET_PPC64)
1871             tcg_gen_deposit_i64(t_ra, t_rs, t_rs, 32, 32);
1872             tcg_gen_rotli_i64(t_ra, t_ra, sh);
1873             tcg_gen_andi_i64(t_ra, t_ra, mask);
1874 #else
1875             g_assert_not_reached();
1876 #endif
1877         }
1878     }
1879     if (unlikely(Rc(ctx->opcode) != 0)) {
1880         gen_set_Rc0(ctx, t_ra);
1881     }
1882 }
1883 
1884 /* rlwnm & rlwnm. */
1885 static void gen_rlwnm(DisasContext *ctx)
1886 {
1887     TCGv t_ra = cpu_gpr[rA(ctx->opcode)];
1888     TCGv t_rs = cpu_gpr[rS(ctx->opcode)];
1889     TCGv t_rb = cpu_gpr[rB(ctx->opcode)];
1890     uint32_t mb = MB(ctx->opcode);
1891     uint32_t me = ME(ctx->opcode);
1892     target_ulong mask;
1893 
1894 #if defined(TARGET_PPC64)
1895     mb += 32;
1896     me += 32;
1897 #endif
1898     mask = MASK(mb, me);
1899 
1900     if (mask <= 0xffffffffu) {
1901         TCGv_i32 t0 = tcg_temp_new_i32();
1902         TCGv_i32 t1 = tcg_temp_new_i32();
1903         tcg_gen_trunc_tl_i32(t0, t_rb);
1904         tcg_gen_trunc_tl_i32(t1, t_rs);
1905         tcg_gen_andi_i32(t0, t0, 0x1f);
1906         tcg_gen_rotl_i32(t1, t1, t0);
1907         tcg_gen_extu_i32_tl(t_ra, t1);
1908         tcg_temp_free_i32(t0);
1909         tcg_temp_free_i32(t1);
1910     } else {
1911 #if defined(TARGET_PPC64)
1912         TCGv_i64 t0 = tcg_temp_new_i64();
1913         tcg_gen_andi_i64(t0, t_rb, 0x1f);
1914         tcg_gen_deposit_i64(t_ra, t_rs, t_rs, 32, 32);
1915         tcg_gen_rotl_i64(t_ra, t_ra, t0);
1916         tcg_temp_free_i64(t0);
1917 #else
1918         g_assert_not_reached();
1919 #endif
1920     }
1921 
1922     tcg_gen_andi_tl(t_ra, t_ra, mask);
1923 
1924     if (unlikely(Rc(ctx->opcode) != 0)) {
1925         gen_set_Rc0(ctx, t_ra);
1926     }
1927 }
1928 
1929 #if defined(TARGET_PPC64)
1930 #define GEN_PPC64_R2(name, opc1, opc2)                                        \
1931 static void glue(gen_, name##0)(DisasContext *ctx)                            \
1932 {                                                                             \
1933     gen_##name(ctx, 0);                                                       \
1934 }                                                                             \
1935                                                                               \
1936 static void glue(gen_, name##1)(DisasContext *ctx)                            \
1937 {                                                                             \
1938     gen_##name(ctx, 1);                                                       \
1939 }
1940 #define GEN_PPC64_R4(name, opc1, opc2)                                        \
1941 static void glue(gen_, name##0)(DisasContext *ctx)                            \
1942 {                                                                             \
1943     gen_##name(ctx, 0, 0);                                                    \
1944 }                                                                             \
1945                                                                               \
1946 static void glue(gen_, name##1)(DisasContext *ctx)                            \
1947 {                                                                             \
1948     gen_##name(ctx, 0, 1);                                                    \
1949 }                                                                             \
1950                                                                               \
1951 static void glue(gen_, name##2)(DisasContext *ctx)                            \
1952 {                                                                             \
1953     gen_##name(ctx, 1, 0);                                                    \
1954 }                                                                             \
1955                                                                               \
1956 static void glue(gen_, name##3)(DisasContext *ctx)                            \
1957 {                                                                             \
1958     gen_##name(ctx, 1, 1);                                                    \
1959 }
1960 
1961 static void gen_rldinm(DisasContext *ctx, int mb, int me, int sh)
1962 {
1963     TCGv t_ra = cpu_gpr[rA(ctx->opcode)];
1964     TCGv t_rs = cpu_gpr[rS(ctx->opcode)];
1965     int len = me - mb + 1;
1966     int rsh = (64 - sh) & 63;
1967 
1968     if (sh != 0 && len > 0 && me == (63 - sh)) {
1969         tcg_gen_deposit_z_tl(t_ra, t_rs, sh, len);
1970     } else if (me == 63 && rsh + len <= 64) {
1971         tcg_gen_extract_tl(t_ra, t_rs, rsh, len);
1972     } else {
1973         tcg_gen_rotli_tl(t_ra, t_rs, sh);
1974         tcg_gen_andi_tl(t_ra, t_ra, MASK(mb, me));
1975     }
1976     if (unlikely(Rc(ctx->opcode) != 0)) {
1977         gen_set_Rc0(ctx, t_ra);
1978     }
1979 }
1980 
1981 /* rldicl - rldicl. */
1982 static inline void gen_rldicl(DisasContext *ctx, int mbn, int shn)
1983 {
1984     uint32_t sh, mb;
1985 
1986     sh = SH(ctx->opcode) | (shn << 5);
1987     mb = MB(ctx->opcode) | (mbn << 5);
1988     gen_rldinm(ctx, mb, 63, sh);
1989 }
1990 GEN_PPC64_R4(rldicl, 0x1E, 0x00);
1991 
1992 /* rldicr - rldicr. */
1993 static inline void gen_rldicr(DisasContext *ctx, int men, int shn)
1994 {
1995     uint32_t sh, me;
1996 
1997     sh = SH(ctx->opcode) | (shn << 5);
1998     me = MB(ctx->opcode) | (men << 5);
1999     gen_rldinm(ctx, 0, me, sh);
2000 }
2001 GEN_PPC64_R4(rldicr, 0x1E, 0x02);
2002 
2003 /* rldic - rldic. */
2004 static inline void gen_rldic(DisasContext *ctx, int mbn, int shn)
2005 {
2006     uint32_t sh, mb;
2007 
2008     sh = SH(ctx->opcode) | (shn << 5);
2009     mb = MB(ctx->opcode) | (mbn << 5);
2010     gen_rldinm(ctx, mb, 63 - sh, sh);
2011 }
2012 GEN_PPC64_R4(rldic, 0x1E, 0x04);
2013 
2014 static void gen_rldnm(DisasContext *ctx, int mb, int me)
2015 {
2016     TCGv t_ra = cpu_gpr[rA(ctx->opcode)];
2017     TCGv t_rs = cpu_gpr[rS(ctx->opcode)];
2018     TCGv t_rb = cpu_gpr[rB(ctx->opcode)];
2019     TCGv t0;
2020 
2021     t0 = tcg_temp_new();
2022     tcg_gen_andi_tl(t0, t_rb, 0x3f);
2023     tcg_gen_rotl_tl(t_ra, t_rs, t0);
2024     tcg_temp_free(t0);
2025 
2026     tcg_gen_andi_tl(t_ra, t_ra, MASK(mb, me));
2027     if (unlikely(Rc(ctx->opcode) != 0)) {
2028         gen_set_Rc0(ctx, t_ra);
2029     }
2030 }
2031 
2032 /* rldcl - rldcl. */
2033 static inline void gen_rldcl(DisasContext *ctx, int mbn)
2034 {
2035     uint32_t mb;
2036 
2037     mb = MB(ctx->opcode) | (mbn << 5);
2038     gen_rldnm(ctx, mb, 63);
2039 }
2040 GEN_PPC64_R2(rldcl, 0x1E, 0x08);
2041 
2042 /* rldcr - rldcr. */
2043 static inline void gen_rldcr(DisasContext *ctx, int men)
2044 {
2045     uint32_t me;
2046 
2047     me = MB(ctx->opcode) | (men << 5);
2048     gen_rldnm(ctx, 0, me);
2049 }
2050 GEN_PPC64_R2(rldcr, 0x1E, 0x09);
2051 
2052 /* rldimi - rldimi. */
2053 static void gen_rldimi(DisasContext *ctx, int mbn, int shn)
2054 {
2055     TCGv t_ra = cpu_gpr[rA(ctx->opcode)];
2056     TCGv t_rs = cpu_gpr[rS(ctx->opcode)];
2057     uint32_t sh = SH(ctx->opcode) | (shn << 5);
2058     uint32_t mb = MB(ctx->opcode) | (mbn << 5);
2059     uint32_t me = 63 - sh;
2060 
2061     if (mb <= me) {
2062         tcg_gen_deposit_tl(t_ra, t_ra, t_rs, sh, me - mb + 1);
2063     } else {
2064         target_ulong mask = MASK(mb, me);
2065         TCGv t1 = tcg_temp_new();
2066 
2067         tcg_gen_rotli_tl(t1, t_rs, sh);
2068         tcg_gen_andi_tl(t1, t1, mask);
2069         tcg_gen_andi_tl(t_ra, t_ra, ~mask);
2070         tcg_gen_or_tl(t_ra, t_ra, t1);
2071         tcg_temp_free(t1);
2072     }
2073     if (unlikely(Rc(ctx->opcode) != 0)) {
2074         gen_set_Rc0(ctx, t_ra);
2075     }
2076 }
2077 GEN_PPC64_R4(rldimi, 0x1E, 0x06);
2078 #endif
2079 
2080 /***                             Integer shift                             ***/
2081 
2082 /* slw & slw. */
2083 static void gen_slw(DisasContext *ctx)
2084 {
2085     TCGv t0, t1;
2086 
2087     t0 = tcg_temp_new();
2088     /* AND rS with a mask that is 0 when rB >= 0x20 */
2089 #if defined(TARGET_PPC64)
2090     tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x3a);
2091     tcg_gen_sari_tl(t0, t0, 0x3f);
2092 #else
2093     tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1a);
2094     tcg_gen_sari_tl(t0, t0, 0x1f);
2095 #endif
2096     tcg_gen_andc_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
2097     t1 = tcg_temp_new();
2098     tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1f);
2099     tcg_gen_shl_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
2100     tcg_temp_free(t1);
2101     tcg_temp_free(t0);
2102     tcg_gen_ext32u_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
2103     if (unlikely(Rc(ctx->opcode) != 0))
2104         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
2105 }
2106 
2107 /* sraw & sraw. */
2108 static void gen_sraw(DisasContext *ctx)
2109 {
2110     gen_helper_sraw(cpu_gpr[rA(ctx->opcode)], cpu_env,
2111                     cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
2112     if (unlikely(Rc(ctx->opcode) != 0))
2113         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
2114 }
2115 
2116 /* srawi & srawi. */
2117 static void gen_srawi(DisasContext *ctx)
2118 {
2119     int sh = SH(ctx->opcode);
2120     TCGv dst = cpu_gpr[rA(ctx->opcode)];
2121     TCGv src = cpu_gpr[rS(ctx->opcode)];
2122     if (sh == 0) {
2123         tcg_gen_ext32s_tl(dst, src);
2124         tcg_gen_movi_tl(cpu_ca, 0);
2125     } else {
2126         TCGv t0;
2127         tcg_gen_ext32s_tl(dst, src);
2128         tcg_gen_andi_tl(cpu_ca, dst, (1ULL << sh) - 1);
2129         t0 = tcg_temp_new();
2130         tcg_gen_sari_tl(t0, dst, TARGET_LONG_BITS - 1);
2131         tcg_gen_and_tl(cpu_ca, cpu_ca, t0);
2132         tcg_temp_free(t0);
2133         tcg_gen_setcondi_tl(TCG_COND_NE, cpu_ca, cpu_ca, 0);
2134         tcg_gen_sari_tl(dst, dst, sh);
2135     }
2136     if (unlikely(Rc(ctx->opcode) != 0)) {
2137         gen_set_Rc0(ctx, dst);
2138     }
2139 }
2140 
2141 /* srw & srw. */
2142 static void gen_srw(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     tcg_gen_ext32u_tl(t0, t0);
2157     t1 = tcg_temp_new();
2158     tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1f);
2159     tcg_gen_shr_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
2160     tcg_temp_free(t1);
2161     tcg_temp_free(t0);
2162     if (unlikely(Rc(ctx->opcode) != 0))
2163         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
2164 }
2165 
2166 #if defined(TARGET_PPC64)
2167 /* sld & sld. */
2168 static void gen_sld(DisasContext *ctx)
2169 {
2170     TCGv t0, t1;
2171 
2172     t0 = tcg_temp_new();
2173     /* AND rS with a mask that is 0 when rB >= 0x40 */
2174     tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x39);
2175     tcg_gen_sari_tl(t0, t0, 0x3f);
2176     tcg_gen_andc_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
2177     t1 = tcg_temp_new();
2178     tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x3f);
2179     tcg_gen_shl_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
2180     tcg_temp_free(t1);
2181     tcg_temp_free(t0);
2182     if (unlikely(Rc(ctx->opcode) != 0))
2183         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
2184 }
2185 
2186 /* srad & srad. */
2187 static void gen_srad(DisasContext *ctx)
2188 {
2189     gen_helper_srad(cpu_gpr[rA(ctx->opcode)], cpu_env,
2190                     cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
2191     if (unlikely(Rc(ctx->opcode) != 0))
2192         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
2193 }
2194 /* sradi & sradi. */
2195 static inline void gen_sradi(DisasContext *ctx, int n)
2196 {
2197     int sh = SH(ctx->opcode) + (n << 5);
2198     TCGv dst = cpu_gpr[rA(ctx->opcode)];
2199     TCGv src = cpu_gpr[rS(ctx->opcode)];
2200     if (sh == 0) {
2201         tcg_gen_mov_tl(dst, src);
2202         tcg_gen_movi_tl(cpu_ca, 0);
2203     } else {
2204         TCGv t0;
2205         tcg_gen_andi_tl(cpu_ca, src, (1ULL << sh) - 1);
2206         t0 = tcg_temp_new();
2207         tcg_gen_sari_tl(t0, src, TARGET_LONG_BITS - 1);
2208         tcg_gen_and_tl(cpu_ca, cpu_ca, t0);
2209         tcg_temp_free(t0);
2210         tcg_gen_setcondi_tl(TCG_COND_NE, cpu_ca, cpu_ca, 0);
2211         tcg_gen_sari_tl(dst, src, sh);
2212     }
2213     if (unlikely(Rc(ctx->opcode) != 0)) {
2214         gen_set_Rc0(ctx, dst);
2215     }
2216 }
2217 
2218 static void gen_sradi0(DisasContext *ctx)
2219 {
2220     gen_sradi(ctx, 0);
2221 }
2222 
2223 static void gen_sradi1(DisasContext *ctx)
2224 {
2225     gen_sradi(ctx, 1);
2226 }
2227 
2228 /* extswsli & extswsli. */
2229 static inline void gen_extswsli(DisasContext *ctx, int n)
2230 {
2231     int sh = SH(ctx->opcode) + (n << 5);
2232     TCGv dst = cpu_gpr[rA(ctx->opcode)];
2233     TCGv src = cpu_gpr[rS(ctx->opcode)];
2234 
2235     tcg_gen_ext32s_tl(dst, src);
2236     tcg_gen_shli_tl(dst, dst, sh);
2237     if (unlikely(Rc(ctx->opcode) != 0)) {
2238         gen_set_Rc0(ctx, dst);
2239     }
2240 }
2241 
2242 static void gen_extswsli0(DisasContext *ctx)
2243 {
2244     gen_extswsli(ctx, 0);
2245 }
2246 
2247 static void gen_extswsli1(DisasContext *ctx)
2248 {
2249     gen_extswsli(ctx, 1);
2250 }
2251 
2252 /* srd & srd. */
2253 static void gen_srd(DisasContext *ctx)
2254 {
2255     TCGv t0, t1;
2256 
2257     t0 = tcg_temp_new();
2258     /* AND rS with a mask that is 0 when rB >= 0x40 */
2259     tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x39);
2260     tcg_gen_sari_tl(t0, t0, 0x3f);
2261     tcg_gen_andc_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
2262     t1 = tcg_temp_new();
2263     tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x3f);
2264     tcg_gen_shr_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
2265     tcg_temp_free(t1);
2266     tcg_temp_free(t0);
2267     if (unlikely(Rc(ctx->opcode) != 0))
2268         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
2269 }
2270 #endif
2271 
2272 /***                           Addressing modes                            ***/
2273 /* Register indirect with immediate index : EA = (rA|0) + SIMM */
2274 static inline void gen_addr_imm_index(DisasContext *ctx, TCGv EA,
2275                                       target_long maskl)
2276 {
2277     target_long simm = SIMM(ctx->opcode);
2278 
2279     simm &= ~maskl;
2280     if (rA(ctx->opcode) == 0) {
2281         if (NARROW_MODE(ctx)) {
2282             simm = (uint32_t)simm;
2283         }
2284         tcg_gen_movi_tl(EA, simm);
2285     } else if (likely(simm != 0)) {
2286         tcg_gen_addi_tl(EA, cpu_gpr[rA(ctx->opcode)], simm);
2287         if (NARROW_MODE(ctx)) {
2288             tcg_gen_ext32u_tl(EA, EA);
2289         }
2290     } else {
2291         if (NARROW_MODE(ctx)) {
2292             tcg_gen_ext32u_tl(EA, cpu_gpr[rA(ctx->opcode)]);
2293         } else {
2294             tcg_gen_mov_tl(EA, cpu_gpr[rA(ctx->opcode)]);
2295         }
2296     }
2297 }
2298 
2299 static inline void gen_addr_reg_index(DisasContext *ctx, TCGv EA)
2300 {
2301     if (rA(ctx->opcode) == 0) {
2302         if (NARROW_MODE(ctx)) {
2303             tcg_gen_ext32u_tl(EA, cpu_gpr[rB(ctx->opcode)]);
2304         } else {
2305             tcg_gen_mov_tl(EA, cpu_gpr[rB(ctx->opcode)]);
2306         }
2307     } else {
2308         tcg_gen_add_tl(EA, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
2309         if (NARROW_MODE(ctx)) {
2310             tcg_gen_ext32u_tl(EA, EA);
2311         }
2312     }
2313 }
2314 
2315 static inline void gen_addr_register(DisasContext *ctx, TCGv EA)
2316 {
2317     if (rA(ctx->opcode) == 0) {
2318         tcg_gen_movi_tl(EA, 0);
2319     } else if (NARROW_MODE(ctx)) {
2320         tcg_gen_ext32u_tl(EA, cpu_gpr[rA(ctx->opcode)]);
2321     } else {
2322         tcg_gen_mov_tl(EA, cpu_gpr[rA(ctx->opcode)]);
2323     }
2324 }
2325 
2326 static inline void gen_addr_add(DisasContext *ctx, TCGv ret, TCGv arg1,
2327                                 target_long val)
2328 {
2329     tcg_gen_addi_tl(ret, arg1, val);
2330     if (NARROW_MODE(ctx)) {
2331         tcg_gen_ext32u_tl(ret, ret);
2332     }
2333 }
2334 
2335 static inline void gen_check_align(DisasContext *ctx, TCGv EA, int mask)
2336 {
2337     TCGLabel *l1 = gen_new_label();
2338     TCGv t0 = tcg_temp_new();
2339     TCGv_i32 t1, t2;
2340     tcg_gen_andi_tl(t0, EA, mask);
2341     tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1);
2342     t1 = tcg_const_i32(POWERPC_EXCP_ALIGN);
2343     t2 = tcg_const_i32(ctx->opcode & 0x03FF0000);
2344     gen_update_nip(ctx, ctx->nip - 4);
2345     gen_helper_raise_exception_err(cpu_env, t1, t2);
2346     tcg_temp_free_i32(t1);
2347     tcg_temp_free_i32(t2);
2348     gen_set_label(l1);
2349     tcg_temp_free(t0);
2350 }
2351 
2352 static inline void gen_align_no_le(DisasContext *ctx)
2353 {
2354     gen_exception_err(ctx, POWERPC_EXCP_ALIGN,
2355                       (ctx->opcode & 0x03FF0000) | POWERPC_EXCP_ALIGN_LE);
2356 }
2357 
2358 /***                             Integer load                              ***/
2359 #define DEF_MEMOP(op) ((op) | ctx->default_tcg_memop_mask)
2360 #define BSWAP_MEMOP(op) ((op) | (ctx->default_tcg_memop_mask ^ MO_BSWAP))
2361 
2362 #define GEN_QEMU_LOAD_TL(ldop, op)                                      \
2363 static void glue(gen_qemu_, ldop)(DisasContext *ctx,                    \
2364                                   TCGv val,                             \
2365                                   TCGv addr)                            \
2366 {                                                                       \
2367     tcg_gen_qemu_ld_tl(val, addr, ctx->mem_idx, op);                    \
2368 }
2369 
2370 GEN_QEMU_LOAD_TL(ld8u,  DEF_MEMOP(MO_UB))
2371 GEN_QEMU_LOAD_TL(ld16u, DEF_MEMOP(MO_UW))
2372 GEN_QEMU_LOAD_TL(ld16s, DEF_MEMOP(MO_SW))
2373 GEN_QEMU_LOAD_TL(ld32u, DEF_MEMOP(MO_UL))
2374 GEN_QEMU_LOAD_TL(ld32s, DEF_MEMOP(MO_SL))
2375 
2376 GEN_QEMU_LOAD_TL(ld16ur, BSWAP_MEMOP(MO_UW))
2377 GEN_QEMU_LOAD_TL(ld32ur, BSWAP_MEMOP(MO_UL))
2378 
2379 #define GEN_QEMU_LOAD_64(ldop, op)                                  \
2380 static void glue(gen_qemu_, glue(ldop, _i64))(DisasContext *ctx,    \
2381                                              TCGv_i64 val,          \
2382                                              TCGv addr)             \
2383 {                                                                   \
2384     tcg_gen_qemu_ld_i64(val, addr, ctx->mem_idx, op);               \
2385 }
2386 
2387 GEN_QEMU_LOAD_64(ld8u,  DEF_MEMOP(MO_UB))
2388 GEN_QEMU_LOAD_64(ld16u, DEF_MEMOP(MO_UW))
2389 GEN_QEMU_LOAD_64(ld32u, DEF_MEMOP(MO_UL))
2390 GEN_QEMU_LOAD_64(ld32s, DEF_MEMOP(MO_SL))
2391 GEN_QEMU_LOAD_64(ld64,  DEF_MEMOP(MO_Q))
2392 
2393 #if defined(TARGET_PPC64)
2394 GEN_QEMU_LOAD_64(ld64ur, BSWAP_MEMOP(MO_Q))
2395 #endif
2396 
2397 #define GEN_QEMU_STORE_TL(stop, op)                                     \
2398 static void glue(gen_qemu_, stop)(DisasContext *ctx,                    \
2399                                   TCGv val,                             \
2400                                   TCGv addr)                            \
2401 {                                                                       \
2402     tcg_gen_qemu_st_tl(val, addr, ctx->mem_idx, op);                    \
2403 }
2404 
2405 GEN_QEMU_STORE_TL(st8,  DEF_MEMOP(MO_UB))
2406 GEN_QEMU_STORE_TL(st16, DEF_MEMOP(MO_UW))
2407 GEN_QEMU_STORE_TL(st32, DEF_MEMOP(MO_UL))
2408 
2409 GEN_QEMU_STORE_TL(st16r, BSWAP_MEMOP(MO_UW))
2410 GEN_QEMU_STORE_TL(st32r, BSWAP_MEMOP(MO_UL))
2411 
2412 #define GEN_QEMU_STORE_64(stop, op)                               \
2413 static void glue(gen_qemu_, glue(stop, _i64))(DisasContext *ctx,  \
2414                                               TCGv_i64 val,       \
2415                                               TCGv addr)          \
2416 {                                                                 \
2417     tcg_gen_qemu_st_i64(val, addr, ctx->mem_idx, op);             \
2418 }
2419 
2420 GEN_QEMU_STORE_64(st8,  DEF_MEMOP(MO_UB))
2421 GEN_QEMU_STORE_64(st16, DEF_MEMOP(MO_UW))
2422 GEN_QEMU_STORE_64(st32, DEF_MEMOP(MO_UL))
2423 GEN_QEMU_STORE_64(st64, DEF_MEMOP(MO_Q))
2424 
2425 #if defined(TARGET_PPC64)
2426 GEN_QEMU_STORE_64(st64r, BSWAP_MEMOP(MO_Q))
2427 #endif
2428 
2429 #define GEN_LD(name, ldop, opc, type)                                         \
2430 static void glue(gen_, name)(DisasContext *ctx)                                       \
2431 {                                                                             \
2432     TCGv EA;                                                                  \
2433     gen_set_access_type(ctx, ACCESS_INT);                                     \
2434     EA = tcg_temp_new();                                                      \
2435     gen_addr_imm_index(ctx, EA, 0);                                           \
2436     gen_qemu_##ldop(ctx, cpu_gpr[rD(ctx->opcode)], EA);                       \
2437     tcg_temp_free(EA);                                                        \
2438 }
2439 
2440 #define GEN_LDU(name, ldop, opc, type)                                        \
2441 static void glue(gen_, name##u)(DisasContext *ctx)                                    \
2442 {                                                                             \
2443     TCGv EA;                                                                  \
2444     if (unlikely(rA(ctx->opcode) == 0 ||                                      \
2445                  rA(ctx->opcode) == rD(ctx->opcode))) {                       \
2446         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);                   \
2447         return;                                                               \
2448     }                                                                         \
2449     gen_set_access_type(ctx, ACCESS_INT);                                     \
2450     EA = tcg_temp_new();                                                      \
2451     if (type == PPC_64B)                                                      \
2452         gen_addr_imm_index(ctx, EA, 0x03);                                    \
2453     else                                                                      \
2454         gen_addr_imm_index(ctx, EA, 0);                                       \
2455     gen_qemu_##ldop(ctx, cpu_gpr[rD(ctx->opcode)], EA);                       \
2456     tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA);                             \
2457     tcg_temp_free(EA);                                                        \
2458 }
2459 
2460 #define GEN_LDUX(name, ldop, opc2, opc3, type)                                \
2461 static void glue(gen_, name##ux)(DisasContext *ctx)                                   \
2462 {                                                                             \
2463     TCGv EA;                                                                  \
2464     if (unlikely(rA(ctx->opcode) == 0 ||                                      \
2465                  rA(ctx->opcode) == rD(ctx->opcode))) {                       \
2466         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);                   \
2467         return;                                                               \
2468     }                                                                         \
2469     gen_set_access_type(ctx, ACCESS_INT);                                     \
2470     EA = tcg_temp_new();                                                      \
2471     gen_addr_reg_index(ctx, EA);                                              \
2472     gen_qemu_##ldop(ctx, cpu_gpr[rD(ctx->opcode)], EA);                       \
2473     tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA);                             \
2474     tcg_temp_free(EA);                                                        \
2475 }
2476 
2477 #define GEN_LDX_E(name, ldop, opc2, opc3, type, type2, chk)                   \
2478 static void glue(gen_, name##x)(DisasContext *ctx)                            \
2479 {                                                                             \
2480     TCGv EA;                                                                  \
2481     chk;                                                                      \
2482     gen_set_access_type(ctx, ACCESS_INT);                                     \
2483     EA = tcg_temp_new();                                                      \
2484     gen_addr_reg_index(ctx, EA);                                              \
2485     gen_qemu_##ldop(ctx, cpu_gpr[rD(ctx->opcode)], EA);                       \
2486     tcg_temp_free(EA);                                                        \
2487 }
2488 
2489 #define GEN_LDX(name, ldop, opc2, opc3, type)                                 \
2490     GEN_LDX_E(name, ldop, opc2, opc3, type, PPC_NONE, CHK_NONE)
2491 
2492 #define GEN_LDX_HVRM(name, ldop, opc2, opc3, type)                            \
2493     GEN_LDX_E(name, ldop, opc2, opc3, type, PPC_NONE, CHK_HVRM)
2494 
2495 #define GEN_LDS(name, ldop, op, type)                                         \
2496 GEN_LD(name, ldop, op | 0x20, type);                                          \
2497 GEN_LDU(name, ldop, op | 0x21, type);                                         \
2498 GEN_LDUX(name, ldop, 0x17, op | 0x01, type);                                  \
2499 GEN_LDX(name, ldop, 0x17, op | 0x00, type)
2500 
2501 /* lbz lbzu lbzux lbzx */
2502 GEN_LDS(lbz, ld8u, 0x02, PPC_INTEGER);
2503 /* lha lhau lhaux lhax */
2504 GEN_LDS(lha, ld16s, 0x0A, PPC_INTEGER);
2505 /* lhz lhzu lhzux lhzx */
2506 GEN_LDS(lhz, ld16u, 0x08, PPC_INTEGER);
2507 /* lwz lwzu lwzux lwzx */
2508 GEN_LDS(lwz, ld32u, 0x00, PPC_INTEGER);
2509 #if defined(TARGET_PPC64)
2510 /* lwaux */
2511 GEN_LDUX(lwa, ld32s, 0x15, 0x0B, PPC_64B);
2512 /* lwax */
2513 GEN_LDX(lwa, ld32s, 0x15, 0x0A, PPC_64B);
2514 /* ldux */
2515 GEN_LDUX(ld, ld64_i64, 0x15, 0x01, PPC_64B);
2516 /* ldx */
2517 GEN_LDX(ld, ld64_i64, 0x15, 0x00, PPC_64B);
2518 
2519 /* CI load/store variants */
2520 GEN_LDX_HVRM(ldcix, ld64_i64, 0x15, 0x1b, PPC_CILDST)
2521 GEN_LDX_HVRM(lwzcix, ld32u, 0x15, 0x15, PPC_CILDST)
2522 GEN_LDX_HVRM(lhzcix, ld16u, 0x15, 0x19, PPC_CILDST)
2523 GEN_LDX_HVRM(lbzcix, ld8u, 0x15, 0x1a, PPC_CILDST)
2524 
2525 static void gen_ld(DisasContext *ctx)
2526 {
2527     TCGv EA;
2528     if (Rc(ctx->opcode)) {
2529         if (unlikely(rA(ctx->opcode) == 0 ||
2530                      rA(ctx->opcode) == rD(ctx->opcode))) {
2531             gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
2532             return;
2533         }
2534     }
2535     gen_set_access_type(ctx, ACCESS_INT);
2536     EA = tcg_temp_new();
2537     gen_addr_imm_index(ctx, EA, 0x03);
2538     if (ctx->opcode & 0x02) {
2539         /* lwa (lwau is undefined) */
2540         gen_qemu_ld32s(ctx, cpu_gpr[rD(ctx->opcode)], EA);
2541     } else {
2542         /* ld - ldu */
2543         gen_qemu_ld64_i64(ctx, cpu_gpr[rD(ctx->opcode)], EA);
2544     }
2545     if (Rc(ctx->opcode))
2546         tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA);
2547     tcg_temp_free(EA);
2548 }
2549 
2550 /* lq */
2551 static void gen_lq(DisasContext *ctx)
2552 {
2553     int ra, rd;
2554     TCGv EA;
2555 
2556     /* lq is a legal user mode instruction starting in ISA 2.07 */
2557     bool legal_in_user_mode = (ctx->insns_flags2 & PPC2_LSQ_ISA207) != 0;
2558     bool le_is_supported = (ctx->insns_flags2 & PPC2_LSQ_ISA207) != 0;
2559 
2560     if (!legal_in_user_mode && ctx->pr) {
2561         gen_priv_exception(ctx, POWERPC_EXCP_PRIV_OPC);
2562         return;
2563     }
2564 
2565     if (!le_is_supported && ctx->le_mode) {
2566         gen_align_no_le(ctx);
2567         return;
2568     }
2569     ra = rA(ctx->opcode);
2570     rd = rD(ctx->opcode);
2571     if (unlikely((rd & 1) || rd == ra)) {
2572         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
2573         return;
2574     }
2575 
2576     gen_set_access_type(ctx, ACCESS_INT);
2577     EA = tcg_temp_new();
2578     gen_addr_imm_index(ctx, EA, 0x0F);
2579 
2580     /* We only need to swap high and low halves. gen_qemu_ld64_i64 does
2581        necessary 64-bit byteswap already. */
2582     if (unlikely(ctx->le_mode)) {
2583         gen_qemu_ld64_i64(ctx, cpu_gpr[rd + 1], EA);
2584         gen_addr_add(ctx, EA, EA, 8);
2585         gen_qemu_ld64_i64(ctx, cpu_gpr[rd], EA);
2586     } else {
2587         gen_qemu_ld64_i64(ctx, cpu_gpr[rd], EA);
2588         gen_addr_add(ctx, EA, EA, 8);
2589         gen_qemu_ld64_i64(ctx, cpu_gpr[rd + 1], EA);
2590     }
2591     tcg_temp_free(EA);
2592 }
2593 #endif
2594 
2595 /***                              Integer store                            ***/
2596 #define GEN_ST(name, stop, opc, type)                                         \
2597 static void glue(gen_, name)(DisasContext *ctx)                                       \
2598 {                                                                             \
2599     TCGv EA;                                                                  \
2600     gen_set_access_type(ctx, ACCESS_INT);                                     \
2601     EA = tcg_temp_new();                                                      \
2602     gen_addr_imm_index(ctx, EA, 0);                                           \
2603     gen_qemu_##stop(ctx, cpu_gpr[rS(ctx->opcode)], EA);                       \
2604     tcg_temp_free(EA);                                                        \
2605 }
2606 
2607 #define GEN_STU(name, stop, opc, type)                                        \
2608 static void glue(gen_, stop##u)(DisasContext *ctx)                                    \
2609 {                                                                             \
2610     TCGv EA;                                                                  \
2611     if (unlikely(rA(ctx->opcode) == 0)) {                                     \
2612         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);                   \
2613         return;                                                               \
2614     }                                                                         \
2615     gen_set_access_type(ctx, ACCESS_INT);                                     \
2616     EA = tcg_temp_new();                                                      \
2617     if (type == PPC_64B)                                                      \
2618         gen_addr_imm_index(ctx, EA, 0x03);                                    \
2619     else                                                                      \
2620         gen_addr_imm_index(ctx, EA, 0);                                       \
2621     gen_qemu_##stop(ctx, cpu_gpr[rS(ctx->opcode)], EA);                       \
2622     tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA);                             \
2623     tcg_temp_free(EA);                                                        \
2624 }
2625 
2626 #define GEN_STUX(name, stop, opc2, opc3, type)                                \
2627 static void glue(gen_, name##ux)(DisasContext *ctx)                                   \
2628 {                                                                             \
2629     TCGv EA;                                                                  \
2630     if (unlikely(rA(ctx->opcode) == 0)) {                                     \
2631         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);                   \
2632         return;                                                               \
2633     }                                                                         \
2634     gen_set_access_type(ctx, ACCESS_INT);                                     \
2635     EA = tcg_temp_new();                                                      \
2636     gen_addr_reg_index(ctx, EA);                                              \
2637     gen_qemu_##stop(ctx, cpu_gpr[rS(ctx->opcode)], EA);                       \
2638     tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA);                             \
2639     tcg_temp_free(EA);                                                        \
2640 }
2641 
2642 #define GEN_STX_E(name, stop, opc2, opc3, type, type2, chk)                   \
2643 static void glue(gen_, name##x)(DisasContext *ctx)                            \
2644 {                                                                             \
2645     TCGv EA;                                                                  \
2646     chk;                                                                      \
2647     gen_set_access_type(ctx, ACCESS_INT);                                     \
2648     EA = tcg_temp_new();                                                      \
2649     gen_addr_reg_index(ctx, EA);                                              \
2650     gen_qemu_##stop(ctx, cpu_gpr[rS(ctx->opcode)], EA);                       \
2651     tcg_temp_free(EA);                                                        \
2652 }
2653 #define GEN_STX(name, stop, opc2, opc3, type)                                 \
2654     GEN_STX_E(name, stop, opc2, opc3, type, PPC_NONE, CHK_NONE)
2655 
2656 #define GEN_STX_HVRM(name, stop, opc2, opc3, type)                            \
2657     GEN_STX_E(name, stop, opc2, opc3, type, PPC_NONE, CHK_HVRM)
2658 
2659 #define GEN_STS(name, stop, op, type)                                         \
2660 GEN_ST(name, stop, op | 0x20, type);                                          \
2661 GEN_STU(name, stop, op | 0x21, type);                                         \
2662 GEN_STUX(name, stop, 0x17, op | 0x01, type);                                  \
2663 GEN_STX(name, stop, 0x17, op | 0x00, type)
2664 
2665 /* stb stbu stbux stbx */
2666 GEN_STS(stb, st8, 0x06, PPC_INTEGER);
2667 /* sth sthu sthux sthx */
2668 GEN_STS(sth, st16, 0x0C, PPC_INTEGER);
2669 /* stw stwu stwux stwx */
2670 GEN_STS(stw, st32, 0x04, PPC_INTEGER);
2671 #if defined(TARGET_PPC64)
2672 GEN_STUX(std, st64_i64, 0x15, 0x05, PPC_64B);
2673 GEN_STX(std, st64_i64, 0x15, 0x04, PPC_64B);
2674 GEN_STX_HVRM(stdcix, st64_i64, 0x15, 0x1f, PPC_CILDST)
2675 GEN_STX_HVRM(stwcix, st32, 0x15, 0x1c, PPC_CILDST)
2676 GEN_STX_HVRM(sthcix, st16, 0x15, 0x1d, PPC_CILDST)
2677 GEN_STX_HVRM(stbcix, st8, 0x15, 0x1e, PPC_CILDST)
2678 
2679 static void gen_std(DisasContext *ctx)
2680 {
2681     int rs;
2682     TCGv EA;
2683 
2684     rs = rS(ctx->opcode);
2685     if ((ctx->opcode & 0x3) == 0x2) { /* stq */
2686         bool legal_in_user_mode = (ctx->insns_flags2 & PPC2_LSQ_ISA207) != 0;
2687         bool le_is_supported = (ctx->insns_flags2 & PPC2_LSQ_ISA207) != 0;
2688 
2689         if (!(ctx->insns_flags & PPC_64BX)) {
2690             gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
2691         }
2692 
2693         if (!legal_in_user_mode && ctx->pr) {
2694             gen_priv_exception(ctx, POWERPC_EXCP_PRIV_OPC);
2695             return;
2696         }
2697 
2698         if (!le_is_supported && ctx->le_mode) {
2699             gen_align_no_le(ctx);
2700             return;
2701         }
2702 
2703         if (unlikely(rs & 1)) {
2704             gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
2705             return;
2706         }
2707         gen_set_access_type(ctx, ACCESS_INT);
2708         EA = tcg_temp_new();
2709         gen_addr_imm_index(ctx, EA, 0x03);
2710 
2711         /* We only need to swap high and low halves. gen_qemu_st64_i64 does
2712            necessary 64-bit byteswap already. */
2713         if (unlikely(ctx->le_mode)) {
2714             gen_qemu_st64_i64(ctx, cpu_gpr[rs + 1], EA);
2715             gen_addr_add(ctx, EA, EA, 8);
2716             gen_qemu_st64_i64(ctx, cpu_gpr[rs], EA);
2717         } else {
2718             gen_qemu_st64_i64(ctx, cpu_gpr[rs], EA);
2719             gen_addr_add(ctx, EA, EA, 8);
2720             gen_qemu_st64_i64(ctx, cpu_gpr[rs + 1], EA);
2721         }
2722         tcg_temp_free(EA);
2723     } else {
2724         /* std / stdu*/
2725         if (Rc(ctx->opcode)) {
2726             if (unlikely(rA(ctx->opcode) == 0)) {
2727                 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
2728                 return;
2729             }
2730         }
2731         gen_set_access_type(ctx, ACCESS_INT);
2732         EA = tcg_temp_new();
2733         gen_addr_imm_index(ctx, EA, 0x03);
2734         gen_qemu_st64_i64(ctx, cpu_gpr[rs], EA);
2735         if (Rc(ctx->opcode))
2736             tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA);
2737         tcg_temp_free(EA);
2738     }
2739 }
2740 #endif
2741 /***                Integer load and store with byte reverse               ***/
2742 
2743 /* lhbrx */
2744 GEN_LDX(lhbr, ld16ur, 0x16, 0x18, PPC_INTEGER);
2745 
2746 /* lwbrx */
2747 GEN_LDX(lwbr, ld32ur, 0x16, 0x10, PPC_INTEGER);
2748 
2749 #if defined(TARGET_PPC64)
2750 /* ldbrx */
2751 GEN_LDX_E(ldbr, ld64ur_i64, 0x14, 0x10, PPC_NONE, PPC2_DBRX, CHK_NONE);
2752 /* stdbrx */
2753 GEN_STX_E(stdbr, st64r_i64, 0x14, 0x14, PPC_NONE, PPC2_DBRX, CHK_NONE);
2754 #endif  /* TARGET_PPC64 */
2755 
2756 /* sthbrx */
2757 GEN_STX(sthbr, st16r, 0x16, 0x1C, PPC_INTEGER);
2758 /* stwbrx */
2759 GEN_STX(stwbr, st32r, 0x16, 0x14, PPC_INTEGER);
2760 
2761 /***                    Integer load and store multiple                    ***/
2762 
2763 /* lmw */
2764 static void gen_lmw(DisasContext *ctx)
2765 {
2766     TCGv t0;
2767     TCGv_i32 t1;
2768 
2769     if (ctx->le_mode) {
2770         gen_align_no_le(ctx);
2771         return;
2772     }
2773     gen_set_access_type(ctx, ACCESS_INT);
2774     t0 = tcg_temp_new();
2775     t1 = tcg_const_i32(rD(ctx->opcode));
2776     gen_addr_imm_index(ctx, t0, 0);
2777     gen_helper_lmw(cpu_env, t0, t1);
2778     tcg_temp_free(t0);
2779     tcg_temp_free_i32(t1);
2780 }
2781 
2782 /* stmw */
2783 static void gen_stmw(DisasContext *ctx)
2784 {
2785     TCGv t0;
2786     TCGv_i32 t1;
2787 
2788     if (ctx->le_mode) {
2789         gen_align_no_le(ctx);
2790         return;
2791     }
2792     gen_set_access_type(ctx, ACCESS_INT);
2793     t0 = tcg_temp_new();
2794     t1 = tcg_const_i32(rS(ctx->opcode));
2795     gen_addr_imm_index(ctx, t0, 0);
2796     gen_helper_stmw(cpu_env, t0, t1);
2797     tcg_temp_free(t0);
2798     tcg_temp_free_i32(t1);
2799 }
2800 
2801 /***                    Integer load and store strings                     ***/
2802 
2803 /* lswi */
2804 /* PowerPC32 specification says we must generate an exception if
2805  * rA is in the range of registers to be loaded.
2806  * In an other hand, IBM says this is valid, but rA won't be loaded.
2807  * For now, I'll follow the spec...
2808  */
2809 static void gen_lswi(DisasContext *ctx)
2810 {
2811     TCGv t0;
2812     TCGv_i32 t1, t2;
2813     int nb = NB(ctx->opcode);
2814     int start = rD(ctx->opcode);
2815     int ra = rA(ctx->opcode);
2816     int nr;
2817 
2818     if (ctx->le_mode) {
2819         gen_align_no_le(ctx);
2820         return;
2821     }
2822     if (nb == 0)
2823         nb = 32;
2824     nr = (nb + 3) / 4;
2825     if (unlikely(lsw_reg_in_range(start, nr, ra))) {
2826         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_LSWX);
2827         return;
2828     }
2829     gen_set_access_type(ctx, ACCESS_INT);
2830     t0 = tcg_temp_new();
2831     gen_addr_register(ctx, t0);
2832     t1 = tcg_const_i32(nb);
2833     t2 = tcg_const_i32(start);
2834     gen_helper_lsw(cpu_env, t0, t1, t2);
2835     tcg_temp_free(t0);
2836     tcg_temp_free_i32(t1);
2837     tcg_temp_free_i32(t2);
2838 }
2839 
2840 /* lswx */
2841 static void gen_lswx(DisasContext *ctx)
2842 {
2843     TCGv t0;
2844     TCGv_i32 t1, t2, t3;
2845 
2846     if (ctx->le_mode) {
2847         gen_align_no_le(ctx);
2848         return;
2849     }
2850     gen_set_access_type(ctx, ACCESS_INT);
2851     t0 = tcg_temp_new();
2852     gen_addr_reg_index(ctx, t0);
2853     t1 = tcg_const_i32(rD(ctx->opcode));
2854     t2 = tcg_const_i32(rA(ctx->opcode));
2855     t3 = tcg_const_i32(rB(ctx->opcode));
2856     gen_helper_lswx(cpu_env, t0, t1, t2, t3);
2857     tcg_temp_free(t0);
2858     tcg_temp_free_i32(t1);
2859     tcg_temp_free_i32(t2);
2860     tcg_temp_free_i32(t3);
2861 }
2862 
2863 /* stswi */
2864 static void gen_stswi(DisasContext *ctx)
2865 {
2866     TCGv t0;
2867     TCGv_i32 t1, t2;
2868     int nb = NB(ctx->opcode);
2869 
2870     if (ctx->le_mode) {
2871         gen_align_no_le(ctx);
2872         return;
2873     }
2874     gen_set_access_type(ctx, ACCESS_INT);
2875     t0 = tcg_temp_new();
2876     gen_addr_register(ctx, t0);
2877     if (nb == 0)
2878         nb = 32;
2879     t1 = tcg_const_i32(nb);
2880     t2 = tcg_const_i32(rS(ctx->opcode));
2881     gen_helper_stsw(cpu_env, t0, t1, t2);
2882     tcg_temp_free(t0);
2883     tcg_temp_free_i32(t1);
2884     tcg_temp_free_i32(t2);
2885 }
2886 
2887 /* stswx */
2888 static void gen_stswx(DisasContext *ctx)
2889 {
2890     TCGv t0;
2891     TCGv_i32 t1, t2;
2892 
2893     if (ctx->le_mode) {
2894         gen_align_no_le(ctx);
2895         return;
2896     }
2897     gen_set_access_type(ctx, ACCESS_INT);
2898     t0 = tcg_temp_new();
2899     gen_addr_reg_index(ctx, t0);
2900     t1 = tcg_temp_new_i32();
2901     tcg_gen_trunc_tl_i32(t1, cpu_xer);
2902     tcg_gen_andi_i32(t1, t1, 0x7F);
2903     t2 = tcg_const_i32(rS(ctx->opcode));
2904     gen_helper_stsw(cpu_env, t0, t1, t2);
2905     tcg_temp_free(t0);
2906     tcg_temp_free_i32(t1);
2907     tcg_temp_free_i32(t2);
2908 }
2909 
2910 /***                        Memory synchronisation                         ***/
2911 /* eieio */
2912 static void gen_eieio(DisasContext *ctx)
2913 {
2914 }
2915 
2916 #if !defined(CONFIG_USER_ONLY)
2917 static inline void gen_check_tlb_flush(DisasContext *ctx, bool global)
2918 {
2919     TCGv_i32 t;
2920     TCGLabel *l;
2921 
2922     if (!ctx->lazy_tlb_flush) {
2923         return;
2924     }
2925     l = gen_new_label();
2926     t = tcg_temp_new_i32();
2927     tcg_gen_ld_i32(t, cpu_env, offsetof(CPUPPCState, tlb_need_flush));
2928     tcg_gen_brcondi_i32(TCG_COND_EQ, t, 0, l);
2929     if (global) {
2930         gen_helper_check_tlb_flush_global(cpu_env);
2931     } else {
2932         gen_helper_check_tlb_flush_local(cpu_env);
2933     }
2934     gen_set_label(l);
2935     tcg_temp_free_i32(t);
2936 }
2937 #else
2938 static inline void gen_check_tlb_flush(DisasContext *ctx, bool global) { }
2939 #endif
2940 
2941 /* isync */
2942 static void gen_isync(DisasContext *ctx)
2943 {
2944     /*
2945      * We need to check for a pending TLB flush. This can only happen in
2946      * kernel mode however so check MSR_PR
2947      */
2948     if (!ctx->pr) {
2949         gen_check_tlb_flush(ctx, false);
2950     }
2951     gen_stop_exception(ctx);
2952 }
2953 
2954 #define MEMOP_GET_SIZE(x)  (1 << ((x) & MO_SIZE))
2955 
2956 #define LARX(name, memop)                                            \
2957 static void gen_##name(DisasContext *ctx)                            \
2958 {                                                                    \
2959     TCGv t0;                                                         \
2960     TCGv gpr = cpu_gpr[rD(ctx->opcode)];                             \
2961     int len = MEMOP_GET_SIZE(memop);                                 \
2962     gen_set_access_type(ctx, ACCESS_RES);                            \
2963     t0 = tcg_temp_local_new();                                       \
2964     gen_addr_reg_index(ctx, t0);                                     \
2965     if ((len) > 1) {                                                 \
2966         gen_check_align(ctx, t0, (len)-1);                           \
2967     }                                                                \
2968     tcg_gen_qemu_ld_tl(gpr, t0, ctx->mem_idx, memop);                \
2969     tcg_gen_mov_tl(cpu_reserve, t0);                                 \
2970     tcg_gen_st_tl(gpr, cpu_env, offsetof(CPUPPCState, reserve_val)); \
2971     tcg_temp_free(t0);                                               \
2972 }
2973 
2974 /* lwarx */
2975 LARX(lbarx, DEF_MEMOP(MO_UB))
2976 LARX(lharx, DEF_MEMOP(MO_UW))
2977 LARX(lwarx, DEF_MEMOP(MO_UL))
2978 
2979 #define LD_ATOMIC(name, memop, tp, op, eop)                             \
2980 static void gen_##name(DisasContext *ctx)                               \
2981 {                                                                       \
2982     int len = MEMOP_GET_SIZE(memop);                                    \
2983     uint32_t gpr_FC = FC(ctx->opcode);                                  \
2984     TCGv EA = tcg_temp_local_new();                                     \
2985     TCGv_##tp t0, t1;                                                   \
2986                                                                         \
2987     gen_addr_register(ctx, EA);                                         \
2988     if (len > 1) {                                                      \
2989         gen_check_align(ctx, EA, len - 1);                              \
2990     }                                                                   \
2991     t0 = tcg_temp_new_##tp();                                           \
2992     t1 = tcg_temp_new_##tp();                                           \
2993     tcg_gen_##op(t0, cpu_gpr[rD(ctx->opcode) + 1]);                     \
2994                                                                         \
2995     switch (gpr_FC) {                                                   \
2996     case 0: /* Fetch and add */                                         \
2997         tcg_gen_atomic_fetch_add_##tp(t1, EA, t0, ctx->mem_idx, memop); \
2998         break;                                                          \
2999     case 1: /* Fetch and xor */                                         \
3000         tcg_gen_atomic_fetch_xor_##tp(t1, EA, t0, ctx->mem_idx, memop); \
3001         break;                                                          \
3002     case 2: /* Fetch and or */                                          \
3003         tcg_gen_atomic_fetch_or_##tp(t1, EA, t0, ctx->mem_idx, memop);  \
3004         break;                                                          \
3005     case 3: /* Fetch and 'and' */                                       \
3006         tcg_gen_atomic_fetch_and_##tp(t1, EA, t0, ctx->mem_idx, memop); \
3007         break;                                                          \
3008     case 8: /* Swap */                                                  \
3009         tcg_gen_atomic_xchg_##tp(t1, EA, t0, ctx->mem_idx, memop);      \
3010         break;                                                          \
3011     case 4:  /* Fetch and max unsigned */                               \
3012     case 5:  /* Fetch and max signed */                                 \
3013     case 6:  /* Fetch and min unsigned */                               \
3014     case 7:  /* Fetch and min signed */                                 \
3015     case 16: /* compare and swap not equal */                           \
3016     case 24: /* Fetch and increment bounded */                          \
3017     case 25: /* Fetch and increment equal */                            \
3018     case 28: /* Fetch and decrement bounded */                          \
3019         gen_invalid(ctx);                                               \
3020         break;                                                          \
3021     default:                                                            \
3022         /* invoke data storage error handler */                         \
3023         gen_exception_err(ctx, POWERPC_EXCP_DSI, POWERPC_EXCP_INVAL);   \
3024     }                                                                   \
3025     tcg_gen_##eop(cpu_gpr[rD(ctx->opcode)], t1);                        \
3026     tcg_temp_free_##tp(t0);                                             \
3027     tcg_temp_free_##tp(t1);                                             \
3028     tcg_temp_free(EA);                                                  \
3029 }
3030 
3031 LD_ATOMIC(lwat, DEF_MEMOP(MO_UL), i32, trunc_tl_i32, extu_i32_tl)
3032 #if defined(TARGET_PPC64)
3033 LD_ATOMIC(ldat, DEF_MEMOP(MO_Q), i64, mov_i64, mov_i64)
3034 #endif
3035 
3036 #define ST_ATOMIC(name, memop, tp, op)                                  \
3037 static void gen_##name(DisasContext *ctx)                               \
3038 {                                                                       \
3039     int len = MEMOP_GET_SIZE(memop);                                    \
3040     uint32_t gpr_FC = FC(ctx->opcode);                                  \
3041     TCGv EA = tcg_temp_local_new();                                     \
3042     TCGv_##tp t0, t1;                                                   \
3043                                                                         \
3044     gen_addr_register(ctx, EA);                                         \
3045     if (len > 1) {                                                      \
3046         gen_check_align(ctx, EA, len - 1);                              \
3047     }                                                                   \
3048     t0 = tcg_temp_new_##tp();                                           \
3049     t1 = tcg_temp_new_##tp();                                           \
3050     tcg_gen_##op(t0, cpu_gpr[rD(ctx->opcode) + 1]);                     \
3051                                                                         \
3052     switch (gpr_FC) {                                                   \
3053     case 0: /* add and Store */                                         \
3054         tcg_gen_atomic_add_fetch_##tp(t1, EA, t0, ctx->mem_idx, memop); \
3055         break;                                                          \
3056     case 1: /* xor and Store */                                         \
3057         tcg_gen_atomic_xor_fetch_##tp(t1, EA, t0, ctx->mem_idx, memop); \
3058         break;                                                          \
3059     case 2: /* Or and Store */                                          \
3060         tcg_gen_atomic_or_fetch_##tp(t1, EA, t0, ctx->mem_idx, memop);  \
3061         break;                                                          \
3062     case 3: /* 'and' and Store */                                       \
3063         tcg_gen_atomic_and_fetch_##tp(t1, EA, t0, ctx->mem_idx, memop); \
3064         break;                                                          \
3065     case 4:  /* Store max unsigned */                                   \
3066     case 5:  /* Store max signed */                                     \
3067     case 6:  /* Store min unsigned */                                   \
3068     case 7:  /* Store min signed */                                     \
3069     case 24: /* Store twin  */                                          \
3070         gen_invalid(ctx);                                               \
3071         break;                                                          \
3072     default:                                                            \
3073         /* invoke data storage error handler */                         \
3074         gen_exception_err(ctx, POWERPC_EXCP_DSI, POWERPC_EXCP_INVAL);   \
3075     }                                                                   \
3076     tcg_temp_free_##tp(t0);                                             \
3077     tcg_temp_free_##tp(t1);                                             \
3078     tcg_temp_free(EA);                                                  \
3079 }
3080 
3081 ST_ATOMIC(stwat, DEF_MEMOP(MO_UL), i32, trunc_tl_i32)
3082 #if defined(TARGET_PPC64)
3083 ST_ATOMIC(stdat, DEF_MEMOP(MO_Q), i64, mov_i64)
3084 #endif
3085 
3086 #if defined(CONFIG_USER_ONLY)
3087 static void gen_conditional_store(DisasContext *ctx, TCGv EA,
3088                                   int reg, int memop)
3089 {
3090     TCGv t0 = tcg_temp_new();
3091 
3092     tcg_gen_st_tl(EA, cpu_env, offsetof(CPUPPCState, reserve_ea));
3093     tcg_gen_movi_tl(t0, (MEMOP_GET_SIZE(memop) << 5) | reg);
3094     tcg_gen_st_tl(t0, cpu_env, offsetof(CPUPPCState, reserve_info));
3095     tcg_temp_free(t0);
3096     gen_exception_err(ctx, POWERPC_EXCP_STCX, 0);
3097 }
3098 #else
3099 static void gen_conditional_store(DisasContext *ctx, TCGv EA,
3100                                   int reg, int memop)
3101 {
3102     TCGLabel *l1;
3103 
3104     tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so);
3105     l1 = gen_new_label();
3106     tcg_gen_brcond_tl(TCG_COND_NE, EA, cpu_reserve, l1);
3107     tcg_gen_ori_i32(cpu_crf[0], cpu_crf[0], CRF_EQ);
3108     tcg_gen_qemu_st_tl(cpu_gpr[reg], EA, ctx->mem_idx, memop);
3109     gen_set_label(l1);
3110     tcg_gen_movi_tl(cpu_reserve, -1);
3111 }
3112 #endif
3113 
3114 #define STCX(name, memop)                                   \
3115 static void gen_##name(DisasContext *ctx)                   \
3116 {                                                           \
3117     TCGv t0;                                                \
3118     int len = MEMOP_GET_SIZE(memop);                        \
3119     gen_set_access_type(ctx, ACCESS_RES);                   \
3120     t0 = tcg_temp_local_new();                              \
3121     gen_addr_reg_index(ctx, t0);                            \
3122     if (len > 1) {                                          \
3123         gen_check_align(ctx, t0, (len) - 1);                \
3124     }                                                       \
3125     gen_conditional_store(ctx, t0, rS(ctx->opcode), memop); \
3126     tcg_temp_free(t0);                                      \
3127 }
3128 
3129 STCX(stbcx_, DEF_MEMOP(MO_UB))
3130 STCX(sthcx_, DEF_MEMOP(MO_UW))
3131 STCX(stwcx_, DEF_MEMOP(MO_UL))
3132 
3133 #if defined(TARGET_PPC64)
3134 /* ldarx */
3135 LARX(ldarx, DEF_MEMOP(MO_Q))
3136 /* stdcx. */
3137 STCX(stdcx_, DEF_MEMOP(MO_Q))
3138 
3139 /* lqarx */
3140 static void gen_lqarx(DisasContext *ctx)
3141 {
3142     TCGv EA;
3143     int rd = rD(ctx->opcode);
3144     TCGv gpr1, gpr2;
3145 
3146     if (unlikely((rd & 1) || (rd == rA(ctx->opcode)) ||
3147                  (rd == rB(ctx->opcode)))) {
3148         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
3149         return;
3150     }
3151 
3152     gen_set_access_type(ctx, ACCESS_RES);
3153     EA = tcg_temp_local_new();
3154     gen_addr_reg_index(ctx, EA);
3155     gen_check_align(ctx, EA, 15);
3156     if (unlikely(ctx->le_mode)) {
3157         gpr1 = cpu_gpr[rd+1];
3158         gpr2 = cpu_gpr[rd];
3159     } else {
3160         gpr1 = cpu_gpr[rd];
3161         gpr2 = cpu_gpr[rd+1];
3162     }
3163     tcg_gen_qemu_ld_i64(gpr1, EA, ctx->mem_idx, DEF_MEMOP(MO_Q));
3164     tcg_gen_mov_tl(cpu_reserve, EA);
3165     gen_addr_add(ctx, EA, EA, 8);
3166     tcg_gen_qemu_ld_i64(gpr2, EA, ctx->mem_idx, DEF_MEMOP(MO_Q));
3167 
3168     tcg_gen_st_tl(gpr1, cpu_env, offsetof(CPUPPCState, reserve_val));
3169     tcg_gen_st_tl(gpr2, cpu_env, offsetof(CPUPPCState, reserve_val2));
3170     tcg_temp_free(EA);
3171 }
3172 
3173 /* stqcx. */
3174 static void gen_stqcx_(DisasContext *ctx)
3175 {
3176     TCGv EA;
3177     int reg = rS(ctx->opcode);
3178     int len = 16;
3179 #if !defined(CONFIG_USER_ONLY)
3180     TCGLabel *l1;
3181     TCGv gpr1, gpr2;
3182 #endif
3183 
3184     if (unlikely((rD(ctx->opcode) & 1))) {
3185         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
3186         return;
3187     }
3188     gen_set_access_type(ctx, ACCESS_RES);
3189     EA = tcg_temp_local_new();
3190     gen_addr_reg_index(ctx, EA);
3191     if (len > 1) {
3192         gen_check_align(ctx, EA, (len) - 1);
3193     }
3194 
3195 #if defined(CONFIG_USER_ONLY)
3196     gen_conditional_store(ctx, EA, reg, 16);
3197 #else
3198     tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so);
3199     l1 = gen_new_label();
3200     tcg_gen_brcond_tl(TCG_COND_NE, EA, cpu_reserve, l1);
3201     tcg_gen_ori_i32(cpu_crf[0], cpu_crf[0], CRF_EQ);
3202 
3203     if (unlikely(ctx->le_mode)) {
3204         gpr1 = cpu_gpr[reg + 1];
3205         gpr2 = cpu_gpr[reg];
3206     } else {
3207         gpr1 = cpu_gpr[reg];
3208         gpr2 = cpu_gpr[reg + 1];
3209     }
3210     tcg_gen_qemu_st_tl(gpr1, EA, ctx->mem_idx, DEF_MEMOP(MO_Q));
3211     gen_addr_add(ctx, EA, EA, 8);
3212     tcg_gen_qemu_st_tl(gpr2, EA, ctx->mem_idx, DEF_MEMOP(MO_Q));
3213 
3214     gen_set_label(l1);
3215     tcg_gen_movi_tl(cpu_reserve, -1);
3216 #endif
3217     tcg_temp_free(EA);
3218 }
3219 
3220 #endif /* defined(TARGET_PPC64) */
3221 
3222 /* sync */
3223 static void gen_sync(DisasContext *ctx)
3224 {
3225     uint32_t l = (ctx->opcode >> 21) & 3;
3226 
3227     /*
3228      * We may need to check for a pending TLB flush.
3229      *
3230      * We do this on ptesync (l == 2) on ppc64 and any sync pn ppc32.
3231      *
3232      * Additionally, this can only happen in kernel mode however so
3233      * check MSR_PR as well.
3234      */
3235     if (((l == 2) || !(ctx->insns_flags & PPC_64B)) && !ctx->pr) {
3236         gen_check_tlb_flush(ctx, true);
3237     }
3238 }
3239 
3240 /* wait */
3241 static void gen_wait(DisasContext *ctx)
3242 {
3243     TCGv_i32 t0 = tcg_const_i32(1);
3244     tcg_gen_st_i32(t0, cpu_env,
3245                    -offsetof(PowerPCCPU, env) + offsetof(CPUState, halted));
3246     tcg_temp_free_i32(t0);
3247     /* Stop translation, as the CPU is supposed to sleep from now */
3248     gen_exception_nip(ctx, EXCP_HLT, ctx->nip);
3249 }
3250 
3251 #if defined(TARGET_PPC64)
3252 static void gen_doze(DisasContext *ctx)
3253 {
3254 #if defined(CONFIG_USER_ONLY)
3255     GEN_PRIV;
3256 #else
3257     TCGv_i32 t;
3258 
3259     CHK_HV;
3260     t = tcg_const_i32(PPC_PM_DOZE);
3261     gen_helper_pminsn(cpu_env, t);
3262     tcg_temp_free_i32(t);
3263     gen_stop_exception(ctx);
3264 #endif /* defined(CONFIG_USER_ONLY) */
3265 }
3266 
3267 static void gen_nap(DisasContext *ctx)
3268 {
3269 #if defined(CONFIG_USER_ONLY)
3270     GEN_PRIV;
3271 #else
3272     TCGv_i32 t;
3273 
3274     CHK_HV;
3275     t = tcg_const_i32(PPC_PM_NAP);
3276     gen_helper_pminsn(cpu_env, t);
3277     tcg_temp_free_i32(t);
3278     gen_stop_exception(ctx);
3279 #endif /* defined(CONFIG_USER_ONLY) */
3280 }
3281 
3282 static void gen_stop(DisasContext *ctx)
3283 {
3284     gen_nap(ctx);
3285 }
3286 
3287 static void gen_sleep(DisasContext *ctx)
3288 {
3289 #if defined(CONFIG_USER_ONLY)
3290     GEN_PRIV;
3291 #else
3292     TCGv_i32 t;
3293 
3294     CHK_HV;
3295     t = tcg_const_i32(PPC_PM_SLEEP);
3296     gen_helper_pminsn(cpu_env, t);
3297     tcg_temp_free_i32(t);
3298     gen_stop_exception(ctx);
3299 #endif /* defined(CONFIG_USER_ONLY) */
3300 }
3301 
3302 static void gen_rvwinkle(DisasContext *ctx)
3303 {
3304 #if defined(CONFIG_USER_ONLY)
3305     GEN_PRIV;
3306 #else
3307     TCGv_i32 t;
3308 
3309     CHK_HV;
3310     t = tcg_const_i32(PPC_PM_RVWINKLE);
3311     gen_helper_pminsn(cpu_env, t);
3312     tcg_temp_free_i32(t);
3313     gen_stop_exception(ctx);
3314 #endif /* defined(CONFIG_USER_ONLY) */
3315 }
3316 #endif /* #if defined(TARGET_PPC64) */
3317 
3318 static inline void gen_update_cfar(DisasContext *ctx, target_ulong nip)
3319 {
3320 #if defined(TARGET_PPC64)
3321     if (ctx->has_cfar)
3322         tcg_gen_movi_tl(cpu_cfar, nip);
3323 #endif
3324 }
3325 
3326 static inline bool use_goto_tb(DisasContext *ctx, target_ulong dest)
3327 {
3328     if (unlikely(ctx->singlestep_enabled)) {
3329         return false;
3330     }
3331 
3332 #ifndef CONFIG_USER_ONLY
3333     return (ctx->tb->pc & TARGET_PAGE_MASK) == (dest & TARGET_PAGE_MASK);
3334 #else
3335     return true;
3336 #endif
3337 }
3338 
3339 /***                                Branch                                 ***/
3340 static inline void gen_goto_tb(DisasContext *ctx, int n, target_ulong dest)
3341 {
3342     if (NARROW_MODE(ctx)) {
3343         dest = (uint32_t) dest;
3344     }
3345     if (use_goto_tb(ctx, dest)) {
3346         tcg_gen_goto_tb(n);
3347         tcg_gen_movi_tl(cpu_nip, dest & ~3);
3348         tcg_gen_exit_tb((uintptr_t)ctx->tb + n);
3349     } else {
3350         tcg_gen_movi_tl(cpu_nip, dest & ~3);
3351         if (unlikely(ctx->singlestep_enabled)) {
3352             if ((ctx->singlestep_enabled &
3353                 (CPU_BRANCH_STEP | CPU_SINGLE_STEP)) &&
3354                 (ctx->exception == POWERPC_EXCP_BRANCH ||
3355                  ctx->exception == POWERPC_EXCP_TRACE)) {
3356                 gen_exception_nip(ctx, POWERPC_EXCP_TRACE, dest);
3357             }
3358             if (ctx->singlestep_enabled & GDBSTUB_SINGLE_STEP) {
3359                 gen_debug_exception(ctx);
3360             }
3361         }
3362         tcg_gen_exit_tb(0);
3363     }
3364 }
3365 
3366 static inline void gen_setlr(DisasContext *ctx, target_ulong nip)
3367 {
3368     if (NARROW_MODE(ctx)) {
3369         nip = (uint32_t)nip;
3370     }
3371     tcg_gen_movi_tl(cpu_lr, nip);
3372 }
3373 
3374 /* b ba bl bla */
3375 static void gen_b(DisasContext *ctx)
3376 {
3377     target_ulong li, target;
3378 
3379     ctx->exception = POWERPC_EXCP_BRANCH;
3380     /* sign extend LI */
3381     li = LI(ctx->opcode);
3382     li = (li ^ 0x02000000) - 0x02000000;
3383     if (likely(AA(ctx->opcode) == 0)) {
3384         target = ctx->nip + li - 4;
3385     } else {
3386         target = li;
3387     }
3388     if (LK(ctx->opcode)) {
3389         gen_setlr(ctx, ctx->nip);
3390     }
3391     gen_update_cfar(ctx, ctx->nip - 4);
3392     gen_goto_tb(ctx, 0, target);
3393 }
3394 
3395 #define BCOND_IM  0
3396 #define BCOND_LR  1
3397 #define BCOND_CTR 2
3398 #define BCOND_TAR 3
3399 
3400 static inline void gen_bcond(DisasContext *ctx, int type)
3401 {
3402     uint32_t bo = BO(ctx->opcode);
3403     TCGLabel *l1;
3404     TCGv target;
3405 
3406     ctx->exception = POWERPC_EXCP_BRANCH;
3407     if (type == BCOND_LR || type == BCOND_CTR || type == BCOND_TAR) {
3408         target = tcg_temp_local_new();
3409         if (type == BCOND_CTR)
3410             tcg_gen_mov_tl(target, cpu_ctr);
3411         else if (type == BCOND_TAR)
3412             gen_load_spr(target, SPR_TAR);
3413         else
3414             tcg_gen_mov_tl(target, cpu_lr);
3415     } else {
3416         TCGV_UNUSED(target);
3417     }
3418     if (LK(ctx->opcode))
3419         gen_setlr(ctx, ctx->nip);
3420     l1 = gen_new_label();
3421     if ((bo & 0x4) == 0) {
3422         /* Decrement and test CTR */
3423         TCGv temp = tcg_temp_new();
3424         if (unlikely(type == BCOND_CTR)) {
3425             gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
3426             return;
3427         }
3428         tcg_gen_subi_tl(cpu_ctr, cpu_ctr, 1);
3429         if (NARROW_MODE(ctx)) {
3430             tcg_gen_ext32u_tl(temp, cpu_ctr);
3431         } else {
3432             tcg_gen_mov_tl(temp, cpu_ctr);
3433         }
3434         if (bo & 0x2) {
3435             tcg_gen_brcondi_tl(TCG_COND_NE, temp, 0, l1);
3436         } else {
3437             tcg_gen_brcondi_tl(TCG_COND_EQ, temp, 0, l1);
3438         }
3439         tcg_temp_free(temp);
3440     }
3441     if ((bo & 0x10) == 0) {
3442         /* Test CR */
3443         uint32_t bi = BI(ctx->opcode);
3444         uint32_t mask = 0x08 >> (bi & 0x03);
3445         TCGv_i32 temp = tcg_temp_new_i32();
3446 
3447         if (bo & 0x8) {
3448             tcg_gen_andi_i32(temp, cpu_crf[bi >> 2], mask);
3449             tcg_gen_brcondi_i32(TCG_COND_EQ, temp, 0, l1);
3450         } else {
3451             tcg_gen_andi_i32(temp, cpu_crf[bi >> 2], mask);
3452             tcg_gen_brcondi_i32(TCG_COND_NE, temp, 0, l1);
3453         }
3454         tcg_temp_free_i32(temp);
3455     }
3456     gen_update_cfar(ctx, ctx->nip - 4);
3457     if (type == BCOND_IM) {
3458         target_ulong li = (target_long)((int16_t)(BD(ctx->opcode)));
3459         if (likely(AA(ctx->opcode) == 0)) {
3460             gen_goto_tb(ctx, 0, ctx->nip + li - 4);
3461         } else {
3462             gen_goto_tb(ctx, 0, li);
3463         }
3464         if ((bo & 0x14) != 0x14) {
3465             gen_set_label(l1);
3466             gen_goto_tb(ctx, 1, ctx->nip);
3467         }
3468     } else {
3469         if (NARROW_MODE(ctx)) {
3470             tcg_gen_andi_tl(cpu_nip, target, (uint32_t)~3);
3471         } else {
3472             tcg_gen_andi_tl(cpu_nip, target, ~3);
3473         }
3474         tcg_gen_exit_tb(0);
3475         if ((bo & 0x14) != 0x14) {
3476             gen_set_label(l1);
3477             gen_update_nip(ctx, ctx->nip);
3478             tcg_gen_exit_tb(0);
3479         }
3480     }
3481     if (type == BCOND_LR || type == BCOND_CTR || type == BCOND_TAR) {
3482         tcg_temp_free(target);
3483     }
3484 }
3485 
3486 static void gen_bc(DisasContext *ctx)
3487 {
3488     gen_bcond(ctx, BCOND_IM);
3489 }
3490 
3491 static void gen_bcctr(DisasContext *ctx)
3492 {
3493     gen_bcond(ctx, BCOND_CTR);
3494 }
3495 
3496 static void gen_bclr(DisasContext *ctx)
3497 {
3498     gen_bcond(ctx, BCOND_LR);
3499 }
3500 
3501 static void gen_bctar(DisasContext *ctx)
3502 {
3503     gen_bcond(ctx, BCOND_TAR);
3504 }
3505 
3506 /***                      Condition register logical                       ***/
3507 #define GEN_CRLOGIC(name, tcg_op, opc)                                        \
3508 static void glue(gen_, name)(DisasContext *ctx)                                       \
3509 {                                                                             \
3510     uint8_t bitmask;                                                          \
3511     int sh;                                                                   \
3512     TCGv_i32 t0, t1;                                                          \
3513     sh = (crbD(ctx->opcode) & 0x03) - (crbA(ctx->opcode) & 0x03);             \
3514     t0 = tcg_temp_new_i32();                                                  \
3515     if (sh > 0)                                                               \
3516         tcg_gen_shri_i32(t0, cpu_crf[crbA(ctx->opcode) >> 2], sh);            \
3517     else if (sh < 0)                                                          \
3518         tcg_gen_shli_i32(t0, cpu_crf[crbA(ctx->opcode) >> 2], -sh);           \
3519     else                                                                      \
3520         tcg_gen_mov_i32(t0, cpu_crf[crbA(ctx->opcode) >> 2]);                 \
3521     t1 = tcg_temp_new_i32();                                                  \
3522     sh = (crbD(ctx->opcode) & 0x03) - (crbB(ctx->opcode) & 0x03);             \
3523     if (sh > 0)                                                               \
3524         tcg_gen_shri_i32(t1, cpu_crf[crbB(ctx->opcode) >> 2], sh);            \
3525     else if (sh < 0)                                                          \
3526         tcg_gen_shli_i32(t1, cpu_crf[crbB(ctx->opcode) >> 2], -sh);           \
3527     else                                                                      \
3528         tcg_gen_mov_i32(t1, cpu_crf[crbB(ctx->opcode) >> 2]);                 \
3529     tcg_op(t0, t0, t1);                                                       \
3530     bitmask = 0x08 >> (crbD(ctx->opcode) & 0x03);                             \
3531     tcg_gen_andi_i32(t0, t0, bitmask);                                        \
3532     tcg_gen_andi_i32(t1, cpu_crf[crbD(ctx->opcode) >> 2], ~bitmask);          \
3533     tcg_gen_or_i32(cpu_crf[crbD(ctx->opcode) >> 2], t0, t1);                  \
3534     tcg_temp_free_i32(t0);                                                    \
3535     tcg_temp_free_i32(t1);                                                    \
3536 }
3537 
3538 /* crand */
3539 GEN_CRLOGIC(crand, tcg_gen_and_i32, 0x08);
3540 /* crandc */
3541 GEN_CRLOGIC(crandc, tcg_gen_andc_i32, 0x04);
3542 /* creqv */
3543 GEN_CRLOGIC(creqv, tcg_gen_eqv_i32, 0x09);
3544 /* crnand */
3545 GEN_CRLOGIC(crnand, tcg_gen_nand_i32, 0x07);
3546 /* crnor */
3547 GEN_CRLOGIC(crnor, tcg_gen_nor_i32, 0x01);
3548 /* cror */
3549 GEN_CRLOGIC(cror, tcg_gen_or_i32, 0x0E);
3550 /* crorc */
3551 GEN_CRLOGIC(crorc, tcg_gen_orc_i32, 0x0D);
3552 /* crxor */
3553 GEN_CRLOGIC(crxor, tcg_gen_xor_i32, 0x06);
3554 
3555 /* mcrf */
3556 static void gen_mcrf(DisasContext *ctx)
3557 {
3558     tcg_gen_mov_i32(cpu_crf[crfD(ctx->opcode)], cpu_crf[crfS(ctx->opcode)]);
3559 }
3560 
3561 /***                           System linkage                              ***/
3562 
3563 /* rfi (supervisor only) */
3564 static void gen_rfi(DisasContext *ctx)
3565 {
3566 #if defined(CONFIG_USER_ONLY)
3567     GEN_PRIV;
3568 #else
3569     /* This instruction doesn't exist anymore on 64-bit server
3570      * processors compliant with arch 2.x
3571      */
3572     if (ctx->insns_flags & PPC_SEGMENT_64B) {
3573         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
3574         return;
3575     }
3576     /* Restore CPU state */
3577     CHK_SV;
3578     gen_update_cfar(ctx, ctx->nip - 4);
3579     gen_helper_rfi(cpu_env);
3580     gen_sync_exception(ctx);
3581 #endif
3582 }
3583 
3584 #if defined(TARGET_PPC64)
3585 static void gen_rfid(DisasContext *ctx)
3586 {
3587 #if defined(CONFIG_USER_ONLY)
3588     GEN_PRIV;
3589 #else
3590     /* Restore CPU state */
3591     CHK_SV;
3592     gen_update_cfar(ctx, ctx->nip - 4);
3593     gen_helper_rfid(cpu_env);
3594     gen_sync_exception(ctx);
3595 #endif
3596 }
3597 
3598 static void gen_hrfid(DisasContext *ctx)
3599 {
3600 #if defined(CONFIG_USER_ONLY)
3601     GEN_PRIV;
3602 #else
3603     /* Restore CPU state */
3604     CHK_HV;
3605     gen_helper_hrfid(cpu_env);
3606     gen_sync_exception(ctx);
3607 #endif
3608 }
3609 #endif
3610 
3611 /* sc */
3612 #if defined(CONFIG_USER_ONLY)
3613 #define POWERPC_SYSCALL POWERPC_EXCP_SYSCALL_USER
3614 #else
3615 #define POWERPC_SYSCALL POWERPC_EXCP_SYSCALL
3616 #endif
3617 static void gen_sc(DisasContext *ctx)
3618 {
3619     uint32_t lev;
3620 
3621     lev = (ctx->opcode >> 5) & 0x7F;
3622     gen_exception_err(ctx, POWERPC_SYSCALL, lev);
3623 }
3624 
3625 /***                                Trap                                   ***/
3626 
3627 /* Check for unconditional traps (always or never) */
3628 static bool check_unconditional_trap(DisasContext *ctx)
3629 {
3630     /* Trap never */
3631     if (TO(ctx->opcode) == 0) {
3632         return true;
3633     }
3634     /* Trap always */
3635     if (TO(ctx->opcode) == 31) {
3636         gen_exception_err(ctx, POWERPC_EXCP_PROGRAM, POWERPC_EXCP_TRAP);
3637         return true;
3638     }
3639     return false;
3640 }
3641 
3642 /* tw */
3643 static void gen_tw(DisasContext *ctx)
3644 {
3645     TCGv_i32 t0;
3646 
3647     if (check_unconditional_trap(ctx)) {
3648         return;
3649     }
3650     t0 = tcg_const_i32(TO(ctx->opcode));
3651     gen_helper_tw(cpu_env, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],
3652                   t0);
3653     tcg_temp_free_i32(t0);
3654 }
3655 
3656 /* twi */
3657 static void gen_twi(DisasContext *ctx)
3658 {
3659     TCGv t0;
3660     TCGv_i32 t1;
3661 
3662     if (check_unconditional_trap(ctx)) {
3663         return;
3664     }
3665     t0 = tcg_const_tl(SIMM(ctx->opcode));
3666     t1 = tcg_const_i32(TO(ctx->opcode));
3667     gen_helper_tw(cpu_env, cpu_gpr[rA(ctx->opcode)], t0, t1);
3668     tcg_temp_free(t0);
3669     tcg_temp_free_i32(t1);
3670 }
3671 
3672 #if defined(TARGET_PPC64)
3673 /* td */
3674 static void gen_td(DisasContext *ctx)
3675 {
3676     TCGv_i32 t0;
3677 
3678     if (check_unconditional_trap(ctx)) {
3679         return;
3680     }
3681     t0 = tcg_const_i32(TO(ctx->opcode));
3682     gen_helper_td(cpu_env, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],
3683                   t0);
3684     tcg_temp_free_i32(t0);
3685 }
3686 
3687 /* tdi */
3688 static void gen_tdi(DisasContext *ctx)
3689 {
3690     TCGv t0;
3691     TCGv_i32 t1;
3692 
3693     if (check_unconditional_trap(ctx)) {
3694         return;
3695     }
3696     t0 = tcg_const_tl(SIMM(ctx->opcode));
3697     t1 = tcg_const_i32(TO(ctx->opcode));
3698     gen_helper_td(cpu_env, cpu_gpr[rA(ctx->opcode)], t0, t1);
3699     tcg_temp_free(t0);
3700     tcg_temp_free_i32(t1);
3701 }
3702 #endif
3703 
3704 /***                          Processor control                            ***/
3705 
3706 static void gen_read_xer(TCGv dst)
3707 {
3708     TCGv t0 = tcg_temp_new();
3709     TCGv t1 = tcg_temp_new();
3710     TCGv t2 = tcg_temp_new();
3711     tcg_gen_mov_tl(dst, cpu_xer);
3712     tcg_gen_shli_tl(t0, cpu_so, XER_SO);
3713     tcg_gen_shli_tl(t1, cpu_ov, XER_OV);
3714     tcg_gen_shli_tl(t2, cpu_ca, XER_CA);
3715     tcg_gen_or_tl(t0, t0, t1);
3716     tcg_gen_or_tl(dst, dst, t2);
3717     tcg_gen_or_tl(dst, dst, t0);
3718     tcg_temp_free(t0);
3719     tcg_temp_free(t1);
3720     tcg_temp_free(t2);
3721 }
3722 
3723 static void gen_write_xer(TCGv src)
3724 {
3725     tcg_gen_andi_tl(cpu_xer, src,
3726                     ~((1u << XER_SO) | (1u << XER_OV) | (1u << XER_CA)));
3727     tcg_gen_shri_tl(cpu_so, src, XER_SO);
3728     tcg_gen_shri_tl(cpu_ov, src, XER_OV);
3729     tcg_gen_shri_tl(cpu_ca, src, XER_CA);
3730     tcg_gen_andi_tl(cpu_so, cpu_so, 1);
3731     tcg_gen_andi_tl(cpu_ov, cpu_ov, 1);
3732     tcg_gen_andi_tl(cpu_ca, cpu_ca, 1);
3733 }
3734 
3735 /* mcrxr */
3736 static void gen_mcrxr(DisasContext *ctx)
3737 {
3738     TCGv_i32 t0 = tcg_temp_new_i32();
3739     TCGv_i32 t1 = tcg_temp_new_i32();
3740     TCGv_i32 dst = cpu_crf[crfD(ctx->opcode)];
3741 
3742     tcg_gen_trunc_tl_i32(t0, cpu_so);
3743     tcg_gen_trunc_tl_i32(t1, cpu_ov);
3744     tcg_gen_trunc_tl_i32(dst, cpu_ca);
3745     tcg_gen_shli_i32(t0, t0, 3);
3746     tcg_gen_shli_i32(t1, t1, 2);
3747     tcg_gen_shli_i32(dst, dst, 1);
3748     tcg_gen_or_i32(dst, dst, t0);
3749     tcg_gen_or_i32(dst, dst, t1);
3750     tcg_temp_free_i32(t0);
3751     tcg_temp_free_i32(t1);
3752 
3753     tcg_gen_movi_tl(cpu_so, 0);
3754     tcg_gen_movi_tl(cpu_ov, 0);
3755     tcg_gen_movi_tl(cpu_ca, 0);
3756 }
3757 
3758 /* mfcr mfocrf */
3759 static void gen_mfcr(DisasContext *ctx)
3760 {
3761     uint32_t crm, crn;
3762 
3763     if (likely(ctx->opcode & 0x00100000)) {
3764         crm = CRM(ctx->opcode);
3765         if (likely(crm && ((crm & (crm - 1)) == 0))) {
3766             crn = ctz32 (crm);
3767             tcg_gen_extu_i32_tl(cpu_gpr[rD(ctx->opcode)], cpu_crf[7 - crn]);
3768             tcg_gen_shli_tl(cpu_gpr[rD(ctx->opcode)],
3769                             cpu_gpr[rD(ctx->opcode)], crn * 4);
3770         }
3771     } else {
3772         TCGv_i32 t0 = tcg_temp_new_i32();
3773         tcg_gen_mov_i32(t0, cpu_crf[0]);
3774         tcg_gen_shli_i32(t0, t0, 4);
3775         tcg_gen_or_i32(t0, t0, cpu_crf[1]);
3776         tcg_gen_shli_i32(t0, t0, 4);
3777         tcg_gen_or_i32(t0, t0, cpu_crf[2]);
3778         tcg_gen_shli_i32(t0, t0, 4);
3779         tcg_gen_or_i32(t0, t0, cpu_crf[3]);
3780         tcg_gen_shli_i32(t0, t0, 4);
3781         tcg_gen_or_i32(t0, t0, cpu_crf[4]);
3782         tcg_gen_shli_i32(t0, t0, 4);
3783         tcg_gen_or_i32(t0, t0, cpu_crf[5]);
3784         tcg_gen_shli_i32(t0, t0, 4);
3785         tcg_gen_or_i32(t0, t0, cpu_crf[6]);
3786         tcg_gen_shli_i32(t0, t0, 4);
3787         tcg_gen_or_i32(t0, t0, cpu_crf[7]);
3788         tcg_gen_extu_i32_tl(cpu_gpr[rD(ctx->opcode)], t0);
3789         tcg_temp_free_i32(t0);
3790     }
3791 }
3792 
3793 /* mfmsr */
3794 static void gen_mfmsr(DisasContext *ctx)
3795 {
3796     CHK_SV;
3797     tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_msr);
3798 }
3799 
3800 static void spr_noaccess(DisasContext *ctx, int gprn, int sprn)
3801 {
3802 #if 0
3803     sprn = ((sprn >> 5) & 0x1F) | ((sprn & 0x1F) << 5);
3804     printf("ERROR: try to access SPR %d !\n", sprn);
3805 #endif
3806 }
3807 #define SPR_NOACCESS (&spr_noaccess)
3808 
3809 /* mfspr */
3810 static inline void gen_op_mfspr(DisasContext *ctx)
3811 {
3812     void (*read_cb)(DisasContext *ctx, int gprn, int sprn);
3813     uint32_t sprn = SPR(ctx->opcode);
3814 
3815 #if defined(CONFIG_USER_ONLY)
3816     read_cb = ctx->spr_cb[sprn].uea_read;
3817 #else
3818     if (ctx->pr) {
3819         read_cb = ctx->spr_cb[sprn].uea_read;
3820     } else if (ctx->hv) {
3821         read_cb = ctx->spr_cb[sprn].hea_read;
3822     } else {
3823         read_cb = ctx->spr_cb[sprn].oea_read;
3824     }
3825 #endif
3826     if (likely(read_cb != NULL)) {
3827         if (likely(read_cb != SPR_NOACCESS)) {
3828             (*read_cb)(ctx, rD(ctx->opcode), sprn);
3829         } else {
3830             /* Privilege exception */
3831             /* This is a hack to avoid warnings when running Linux:
3832              * this OS breaks the PowerPC virtualisation model,
3833              * allowing userland application to read the PVR
3834              */
3835             if (sprn != SPR_PVR) {
3836                 fprintf(stderr, "Trying to read privileged spr %d (0x%03x) at "
3837                         TARGET_FMT_lx "\n", sprn, sprn, ctx->nip - 4);
3838                 if (qemu_log_separate()) {
3839                     qemu_log("Trying to read privileged spr %d (0x%03x) at "
3840                              TARGET_FMT_lx "\n", sprn, sprn, ctx->nip - 4);
3841                 }
3842             }
3843             gen_priv_exception(ctx, POWERPC_EXCP_PRIV_REG);
3844         }
3845     } else {
3846         /* ISA 2.07 defines these as no-ops */
3847         if ((ctx->insns_flags2 & PPC2_ISA207S) &&
3848             (sprn >= 808 && sprn <= 811)) {
3849             /* This is a nop */
3850             return;
3851         }
3852         /* Not defined */
3853         fprintf(stderr, "Trying to read invalid spr %d (0x%03x) at "
3854                 TARGET_FMT_lx "\n", sprn, sprn, ctx->nip - 4);
3855         if (qemu_log_separate()) {
3856             qemu_log("Trying to read invalid spr %d (0x%03x) at "
3857                      TARGET_FMT_lx "\n", sprn, sprn, ctx->nip - 4);
3858         }
3859 
3860         /* The behaviour depends on MSR:PR and SPR# bit 0x10,
3861          * it can generate a priv, a hv emu or a no-op
3862          */
3863         if (sprn & 0x10) {
3864             if (ctx->pr) {
3865                 gen_priv_exception(ctx, POWERPC_EXCP_INVAL_SPR);
3866             }
3867         } else {
3868             if (ctx->pr || sprn == 0 || sprn == 4 || sprn == 5 || sprn == 6) {
3869                 gen_hvpriv_exception(ctx, POWERPC_EXCP_INVAL_SPR);
3870             }
3871         }
3872     }
3873 }
3874 
3875 static void gen_mfspr(DisasContext *ctx)
3876 {
3877     gen_op_mfspr(ctx);
3878 }
3879 
3880 /* mftb */
3881 static void gen_mftb(DisasContext *ctx)
3882 {
3883     gen_op_mfspr(ctx);
3884 }
3885 
3886 /* mtcrf mtocrf*/
3887 static void gen_mtcrf(DisasContext *ctx)
3888 {
3889     uint32_t crm, crn;
3890 
3891     crm = CRM(ctx->opcode);
3892     if (likely((ctx->opcode & 0x00100000))) {
3893         if (crm && ((crm & (crm - 1)) == 0)) {
3894             TCGv_i32 temp = tcg_temp_new_i32();
3895             crn = ctz32 (crm);
3896             tcg_gen_trunc_tl_i32(temp, cpu_gpr[rS(ctx->opcode)]);
3897             tcg_gen_shri_i32(temp, temp, crn * 4);
3898             tcg_gen_andi_i32(cpu_crf[7 - crn], temp, 0xf);
3899             tcg_temp_free_i32(temp);
3900         }
3901     } else {
3902         TCGv_i32 temp = tcg_temp_new_i32();
3903         tcg_gen_trunc_tl_i32(temp, cpu_gpr[rS(ctx->opcode)]);
3904         for (crn = 0 ; crn < 8 ; crn++) {
3905             if (crm & (1 << crn)) {
3906                     tcg_gen_shri_i32(cpu_crf[7 - crn], temp, crn * 4);
3907                     tcg_gen_andi_i32(cpu_crf[7 - crn], cpu_crf[7 - crn], 0xf);
3908             }
3909         }
3910         tcg_temp_free_i32(temp);
3911     }
3912 }
3913 
3914 /* mtmsr */
3915 #if defined(TARGET_PPC64)
3916 static void gen_mtmsrd(DisasContext *ctx)
3917 {
3918     CHK_SV;
3919 
3920 #if !defined(CONFIG_USER_ONLY)
3921     if (ctx->opcode & 0x00010000) {
3922         /* Special form that does not need any synchronisation */
3923         TCGv t0 = tcg_temp_new();
3924         tcg_gen_andi_tl(t0, cpu_gpr[rS(ctx->opcode)], (1 << MSR_RI) | (1 << MSR_EE));
3925         tcg_gen_andi_tl(cpu_msr, cpu_msr, ~(target_ulong)((1 << MSR_RI) | (1 << MSR_EE)));
3926         tcg_gen_or_tl(cpu_msr, cpu_msr, t0);
3927         tcg_temp_free(t0);
3928     } else {
3929         /* XXX: we need to update nip before the store
3930          *      if we enter power saving mode, we will exit the loop
3931          *      directly from ppc_store_msr
3932          */
3933         gen_update_nip(ctx, ctx->nip);
3934         gen_helper_store_msr(cpu_env, cpu_gpr[rS(ctx->opcode)]);
3935         /* Must stop the translation as machine state (may have) changed */
3936         /* Note that mtmsr is not always defined as context-synchronizing */
3937         gen_stop_exception(ctx);
3938     }
3939 #endif /* !defined(CONFIG_USER_ONLY) */
3940 }
3941 #endif /* defined(TARGET_PPC64) */
3942 
3943 static void gen_mtmsr(DisasContext *ctx)
3944 {
3945     CHK_SV;
3946 
3947 #if !defined(CONFIG_USER_ONLY)
3948    if (ctx->opcode & 0x00010000) {
3949         /* Special form that does not need any synchronisation */
3950         TCGv t0 = tcg_temp_new();
3951         tcg_gen_andi_tl(t0, cpu_gpr[rS(ctx->opcode)], (1 << MSR_RI) | (1 << MSR_EE));
3952         tcg_gen_andi_tl(cpu_msr, cpu_msr, ~(target_ulong)((1 << MSR_RI) | (1 << MSR_EE)));
3953         tcg_gen_or_tl(cpu_msr, cpu_msr, t0);
3954         tcg_temp_free(t0);
3955     } else {
3956         TCGv msr = tcg_temp_new();
3957 
3958         /* XXX: we need to update nip before the store
3959          *      if we enter power saving mode, we will exit the loop
3960          *      directly from ppc_store_msr
3961          */
3962         gen_update_nip(ctx, ctx->nip);
3963 #if defined(TARGET_PPC64)
3964         tcg_gen_deposit_tl(msr, cpu_msr, cpu_gpr[rS(ctx->opcode)], 0, 32);
3965 #else
3966         tcg_gen_mov_tl(msr, cpu_gpr[rS(ctx->opcode)]);
3967 #endif
3968         gen_helper_store_msr(cpu_env, msr);
3969         tcg_temp_free(msr);
3970         /* Must stop the translation as machine state (may have) changed */
3971         /* Note that mtmsr is not always defined as context-synchronizing */
3972         gen_stop_exception(ctx);
3973     }
3974 #endif
3975 }
3976 
3977 /* mtspr */
3978 static void gen_mtspr(DisasContext *ctx)
3979 {
3980     void (*write_cb)(DisasContext *ctx, int sprn, int gprn);
3981     uint32_t sprn = SPR(ctx->opcode);
3982 
3983 #if defined(CONFIG_USER_ONLY)
3984     write_cb = ctx->spr_cb[sprn].uea_write;
3985 #else
3986     if (ctx->pr) {
3987         write_cb = ctx->spr_cb[sprn].uea_write;
3988     } else if (ctx->hv) {
3989         write_cb = ctx->spr_cb[sprn].hea_write;
3990     } else {
3991         write_cb = ctx->spr_cb[sprn].oea_write;
3992     }
3993 #endif
3994     if (likely(write_cb != NULL)) {
3995         if (likely(write_cb != SPR_NOACCESS)) {
3996             (*write_cb)(ctx, sprn, rS(ctx->opcode));
3997         } else {
3998             /* Privilege exception */
3999             fprintf(stderr, "Trying to write privileged spr %d (0x%03x) at "
4000                     TARGET_FMT_lx "\n", sprn, sprn, ctx->nip - 4);
4001             if (qemu_log_separate()) {
4002                 qemu_log("Trying to write privileged spr %d (0x%03x) at "
4003                          TARGET_FMT_lx "\n", sprn, sprn, ctx->nip - 4);
4004             }
4005             gen_priv_exception(ctx, POWERPC_EXCP_PRIV_REG);
4006         }
4007     } else {
4008         /* ISA 2.07 defines these as no-ops */
4009         if ((ctx->insns_flags2 & PPC2_ISA207S) &&
4010             (sprn >= 808 && sprn <= 811)) {
4011             /* This is a nop */
4012             return;
4013         }
4014 
4015         /* Not defined */
4016         if (qemu_log_separate()) {
4017             qemu_log("Trying to write invalid spr %d (0x%03x) at "
4018                      TARGET_FMT_lx "\n", sprn, sprn, ctx->nip - 4);
4019         }
4020         fprintf(stderr, "Trying to write invalid spr %d (0x%03x) at "
4021                 TARGET_FMT_lx "\n", sprn, sprn, ctx->nip - 4);
4022 
4023 
4024         /* The behaviour depends on MSR:PR and SPR# bit 0x10,
4025          * it can generate a priv, a hv emu or a no-op
4026          */
4027         if (sprn & 0x10) {
4028             if (ctx->pr) {
4029                 gen_priv_exception(ctx, POWERPC_EXCP_INVAL_SPR);
4030             }
4031         } else {
4032             if (ctx->pr || sprn == 0) {
4033                 gen_hvpriv_exception(ctx, POWERPC_EXCP_INVAL_SPR);
4034             }
4035         }
4036     }
4037 }
4038 
4039 #if defined(TARGET_PPC64)
4040 /* setb */
4041 static void gen_setb(DisasContext *ctx)
4042 {
4043     TCGv_i32 t0 = tcg_temp_new_i32();
4044     TCGv_i32 t8 = tcg_temp_new_i32();
4045     TCGv_i32 tm1 = tcg_temp_new_i32();
4046     int crf = crfS(ctx->opcode);
4047 
4048     tcg_gen_setcondi_i32(TCG_COND_GEU, t0, cpu_crf[crf], 4);
4049     tcg_gen_movi_i32(t8, 8);
4050     tcg_gen_movi_i32(tm1, -1);
4051     tcg_gen_movcond_i32(TCG_COND_GEU, t0, cpu_crf[crf], t8, tm1, t0);
4052     tcg_gen_ext_i32_tl(cpu_gpr[rD(ctx->opcode)], t0);
4053 
4054     tcg_temp_free_i32(t0);
4055     tcg_temp_free_i32(t8);
4056     tcg_temp_free_i32(tm1);
4057 }
4058 #endif
4059 
4060 /***                         Cache management                              ***/
4061 
4062 /* dcbf */
4063 static void gen_dcbf(DisasContext *ctx)
4064 {
4065     /* XXX: specification says this is treated as a load by the MMU */
4066     TCGv t0;
4067     gen_set_access_type(ctx, ACCESS_CACHE);
4068     t0 = tcg_temp_new();
4069     gen_addr_reg_index(ctx, t0);
4070     gen_qemu_ld8u(ctx, t0, t0);
4071     tcg_temp_free(t0);
4072 }
4073 
4074 /* dcbi (Supervisor only) */
4075 static void gen_dcbi(DisasContext *ctx)
4076 {
4077 #if defined(CONFIG_USER_ONLY)
4078     GEN_PRIV;
4079 #else
4080     TCGv EA, val;
4081 
4082     CHK_SV;
4083     EA = tcg_temp_new();
4084     gen_set_access_type(ctx, ACCESS_CACHE);
4085     gen_addr_reg_index(ctx, EA);
4086     val = tcg_temp_new();
4087     /* XXX: specification says this should be treated as a store by the MMU */
4088     gen_qemu_ld8u(ctx, val, EA);
4089     gen_qemu_st8(ctx, val, EA);
4090     tcg_temp_free(val);
4091     tcg_temp_free(EA);
4092 #endif /* defined(CONFIG_USER_ONLY) */
4093 }
4094 
4095 /* dcdst */
4096 static void gen_dcbst(DisasContext *ctx)
4097 {
4098     /* XXX: specification say this is treated as a load by the MMU */
4099     TCGv t0;
4100     gen_set_access_type(ctx, ACCESS_CACHE);
4101     t0 = tcg_temp_new();
4102     gen_addr_reg_index(ctx, t0);
4103     gen_qemu_ld8u(ctx, t0, t0);
4104     tcg_temp_free(t0);
4105 }
4106 
4107 /* dcbt */
4108 static void gen_dcbt(DisasContext *ctx)
4109 {
4110     /* interpreted as no-op */
4111     /* XXX: specification say this is treated as a load by the MMU
4112      *      but does not generate any exception
4113      */
4114 }
4115 
4116 /* dcbtst */
4117 static void gen_dcbtst(DisasContext *ctx)
4118 {
4119     /* interpreted as no-op */
4120     /* XXX: specification say this is treated as a load by the MMU
4121      *      but does not generate any exception
4122      */
4123 }
4124 
4125 /* dcbtls */
4126 static void gen_dcbtls(DisasContext *ctx)
4127 {
4128     /* Always fails locking the cache */
4129     TCGv t0 = tcg_temp_new();
4130     gen_load_spr(t0, SPR_Exxx_L1CSR0);
4131     tcg_gen_ori_tl(t0, t0, L1CSR0_CUL);
4132     gen_store_spr(SPR_Exxx_L1CSR0, t0);
4133     tcg_temp_free(t0);
4134 }
4135 
4136 /* dcbz */
4137 static void gen_dcbz(DisasContext *ctx)
4138 {
4139     TCGv tcgv_addr;
4140     TCGv_i32 tcgv_op;
4141 
4142     gen_set_access_type(ctx, ACCESS_CACHE);
4143     tcgv_addr = tcg_temp_new();
4144     tcgv_op = tcg_const_i32(ctx->opcode & 0x03FF000);
4145     gen_addr_reg_index(ctx, tcgv_addr);
4146     gen_helper_dcbz(cpu_env, tcgv_addr, tcgv_op);
4147     tcg_temp_free(tcgv_addr);
4148     tcg_temp_free_i32(tcgv_op);
4149 }
4150 
4151 /* dst / dstt */
4152 static void gen_dst(DisasContext *ctx)
4153 {
4154     if (rA(ctx->opcode) == 0) {
4155         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
4156     } else {
4157         /* interpreted as no-op */
4158     }
4159 }
4160 
4161 /* dstst /dststt */
4162 static void gen_dstst(DisasContext *ctx)
4163 {
4164     if (rA(ctx->opcode) == 0) {
4165         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
4166     } else {
4167         /* interpreted as no-op */
4168     }
4169 
4170 }
4171 
4172 /* dss / dssall */
4173 static void gen_dss(DisasContext *ctx)
4174 {
4175     /* interpreted as no-op */
4176 }
4177 
4178 /* icbi */
4179 static void gen_icbi(DisasContext *ctx)
4180 {
4181     TCGv t0;
4182     gen_set_access_type(ctx, ACCESS_CACHE);
4183     t0 = tcg_temp_new();
4184     gen_addr_reg_index(ctx, t0);
4185     gen_helper_icbi(cpu_env, t0);
4186     tcg_temp_free(t0);
4187 }
4188 
4189 /* Optional: */
4190 /* dcba */
4191 static void gen_dcba(DisasContext *ctx)
4192 {
4193     /* interpreted as no-op */
4194     /* XXX: specification say this is treated as a store by the MMU
4195      *      but does not generate any exception
4196      */
4197 }
4198 
4199 /***                    Segment register manipulation                      ***/
4200 /* Supervisor only: */
4201 
4202 /* mfsr */
4203 static void gen_mfsr(DisasContext *ctx)
4204 {
4205 #if defined(CONFIG_USER_ONLY)
4206     GEN_PRIV;
4207 #else
4208     TCGv t0;
4209 
4210     CHK_SV;
4211     t0 = tcg_const_tl(SR(ctx->opcode));
4212     gen_helper_load_sr(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
4213     tcg_temp_free(t0);
4214 #endif /* defined(CONFIG_USER_ONLY) */
4215 }
4216 
4217 /* mfsrin */
4218 static void gen_mfsrin(DisasContext *ctx)
4219 {
4220 #if defined(CONFIG_USER_ONLY)
4221     GEN_PRIV;
4222 #else
4223     TCGv t0;
4224 
4225     CHK_SV;
4226     t0 = tcg_temp_new();
4227     tcg_gen_shri_tl(t0, cpu_gpr[rB(ctx->opcode)], 28);
4228     tcg_gen_andi_tl(t0, t0, 0xF);
4229     gen_helper_load_sr(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
4230     tcg_temp_free(t0);
4231 #endif /* defined(CONFIG_USER_ONLY) */
4232 }
4233 
4234 /* mtsr */
4235 static void gen_mtsr(DisasContext *ctx)
4236 {
4237 #if defined(CONFIG_USER_ONLY)
4238     GEN_PRIV;
4239 #else
4240     TCGv t0;
4241 
4242     CHK_SV;
4243     t0 = tcg_const_tl(SR(ctx->opcode));
4244     gen_helper_store_sr(cpu_env, t0, cpu_gpr[rS(ctx->opcode)]);
4245     tcg_temp_free(t0);
4246 #endif /* defined(CONFIG_USER_ONLY) */
4247 }
4248 
4249 /* mtsrin */
4250 static void gen_mtsrin(DisasContext *ctx)
4251 {
4252 #if defined(CONFIG_USER_ONLY)
4253     GEN_PRIV;
4254 #else
4255     TCGv t0;
4256     CHK_SV;
4257 
4258     t0 = tcg_temp_new();
4259     tcg_gen_shri_tl(t0, cpu_gpr[rB(ctx->opcode)], 28);
4260     tcg_gen_andi_tl(t0, t0, 0xF);
4261     gen_helper_store_sr(cpu_env, t0, cpu_gpr[rD(ctx->opcode)]);
4262     tcg_temp_free(t0);
4263 #endif /* defined(CONFIG_USER_ONLY) */
4264 }
4265 
4266 #if defined(TARGET_PPC64)
4267 /* Specific implementation for PowerPC 64 "bridge" emulation using SLB */
4268 
4269 /* mfsr */
4270 static void gen_mfsr_64b(DisasContext *ctx)
4271 {
4272 #if defined(CONFIG_USER_ONLY)
4273     GEN_PRIV;
4274 #else
4275     TCGv t0;
4276 
4277     CHK_SV;
4278     t0 = tcg_const_tl(SR(ctx->opcode));
4279     gen_helper_load_sr(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
4280     tcg_temp_free(t0);
4281 #endif /* defined(CONFIG_USER_ONLY) */
4282 }
4283 
4284 /* mfsrin */
4285 static void gen_mfsrin_64b(DisasContext *ctx)
4286 {
4287 #if defined(CONFIG_USER_ONLY)
4288     GEN_PRIV;
4289 #else
4290     TCGv t0;
4291 
4292     CHK_SV;
4293     t0 = tcg_temp_new();
4294     tcg_gen_shri_tl(t0, cpu_gpr[rB(ctx->opcode)], 28);
4295     tcg_gen_andi_tl(t0, t0, 0xF);
4296     gen_helper_load_sr(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
4297     tcg_temp_free(t0);
4298 #endif /* defined(CONFIG_USER_ONLY) */
4299 }
4300 
4301 /* mtsr */
4302 static void gen_mtsr_64b(DisasContext *ctx)
4303 {
4304 #if defined(CONFIG_USER_ONLY)
4305     GEN_PRIV;
4306 #else
4307     TCGv t0;
4308 
4309     CHK_SV;
4310     t0 = tcg_const_tl(SR(ctx->opcode));
4311     gen_helper_store_sr(cpu_env, t0, cpu_gpr[rS(ctx->opcode)]);
4312     tcg_temp_free(t0);
4313 #endif /* defined(CONFIG_USER_ONLY) */
4314 }
4315 
4316 /* mtsrin */
4317 static void gen_mtsrin_64b(DisasContext *ctx)
4318 {
4319 #if defined(CONFIG_USER_ONLY)
4320     GEN_PRIV;
4321 #else
4322     TCGv t0;
4323 
4324     CHK_SV;
4325     t0 = tcg_temp_new();
4326     tcg_gen_shri_tl(t0, cpu_gpr[rB(ctx->opcode)], 28);
4327     tcg_gen_andi_tl(t0, t0, 0xF);
4328     gen_helper_store_sr(cpu_env, t0, cpu_gpr[rS(ctx->opcode)]);
4329     tcg_temp_free(t0);
4330 #endif /* defined(CONFIG_USER_ONLY) */
4331 }
4332 
4333 /* slbmte */
4334 static void gen_slbmte(DisasContext *ctx)
4335 {
4336 #if defined(CONFIG_USER_ONLY)
4337     GEN_PRIV;
4338 #else
4339     CHK_SV;
4340 
4341     gen_helper_store_slb(cpu_env, cpu_gpr[rB(ctx->opcode)],
4342                          cpu_gpr[rS(ctx->opcode)]);
4343 #endif /* defined(CONFIG_USER_ONLY) */
4344 }
4345 
4346 static void gen_slbmfee(DisasContext *ctx)
4347 {
4348 #if defined(CONFIG_USER_ONLY)
4349     GEN_PRIV;
4350 #else
4351     CHK_SV;
4352 
4353     gen_helper_load_slb_esid(cpu_gpr[rS(ctx->opcode)], cpu_env,
4354                              cpu_gpr[rB(ctx->opcode)]);
4355 #endif /* defined(CONFIG_USER_ONLY) */
4356 }
4357 
4358 static void gen_slbmfev(DisasContext *ctx)
4359 {
4360 #if defined(CONFIG_USER_ONLY)
4361     GEN_PRIV;
4362 #else
4363     CHK_SV;
4364 
4365     gen_helper_load_slb_vsid(cpu_gpr[rS(ctx->opcode)], cpu_env,
4366                              cpu_gpr[rB(ctx->opcode)]);
4367 #endif /* defined(CONFIG_USER_ONLY) */
4368 }
4369 
4370 static void gen_slbfee_(DisasContext *ctx)
4371 {
4372 #if defined(CONFIG_USER_ONLY)
4373     gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG);
4374 #else
4375     TCGLabel *l1, *l2;
4376 
4377     if (unlikely(ctx->pr)) {
4378         gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG);
4379         return;
4380     }
4381     gen_helper_find_slb_vsid(cpu_gpr[rS(ctx->opcode)], cpu_env,
4382                              cpu_gpr[rB(ctx->opcode)]);
4383     l1 = gen_new_label();
4384     l2 = gen_new_label();
4385     tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so);
4386     tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[rS(ctx->opcode)], -1, l1);
4387     tcg_gen_ori_i32(cpu_crf[0], cpu_crf[0], CRF_EQ);
4388     tcg_gen_br(l2);
4389     gen_set_label(l1);
4390     tcg_gen_movi_tl(cpu_gpr[rS(ctx->opcode)], 0);
4391     gen_set_label(l2);
4392 #endif
4393 }
4394 #endif /* defined(TARGET_PPC64) */
4395 
4396 /***                      Lookaside buffer management                      ***/
4397 /* Optional & supervisor only: */
4398 
4399 /* tlbia */
4400 static void gen_tlbia(DisasContext *ctx)
4401 {
4402 #if defined(CONFIG_USER_ONLY)
4403     GEN_PRIV;
4404 #else
4405     CHK_HV;
4406 
4407     gen_helper_tlbia(cpu_env);
4408 #endif  /* defined(CONFIG_USER_ONLY) */
4409 }
4410 
4411 /* tlbiel */
4412 static void gen_tlbiel(DisasContext *ctx)
4413 {
4414 #if defined(CONFIG_USER_ONLY)
4415     GEN_PRIV;
4416 #else
4417     CHK_SV;
4418 
4419     gen_helper_tlbie(cpu_env, cpu_gpr[rB(ctx->opcode)]);
4420 #endif /* defined(CONFIG_USER_ONLY) */
4421 }
4422 
4423 /* tlbie */
4424 static void gen_tlbie(DisasContext *ctx)
4425 {
4426 #if defined(CONFIG_USER_ONLY)
4427     GEN_PRIV;
4428 #else
4429     TCGv_i32 t1;
4430     CHK_HV;
4431 
4432     if (NARROW_MODE(ctx)) {
4433         TCGv t0 = tcg_temp_new();
4434         tcg_gen_ext32u_tl(t0, cpu_gpr[rB(ctx->opcode)]);
4435         gen_helper_tlbie(cpu_env, t0);
4436         tcg_temp_free(t0);
4437     } else {
4438         gen_helper_tlbie(cpu_env, cpu_gpr[rB(ctx->opcode)]);
4439     }
4440     t1 = tcg_temp_new_i32();
4441     tcg_gen_ld_i32(t1, cpu_env, offsetof(CPUPPCState, tlb_need_flush));
4442     tcg_gen_ori_i32(t1, t1, TLB_NEED_GLOBAL_FLUSH);
4443     tcg_gen_st_i32(t1, cpu_env, offsetof(CPUPPCState, tlb_need_flush));
4444     tcg_temp_free_i32(t1);
4445 #endif /* defined(CONFIG_USER_ONLY) */
4446 }
4447 
4448 /* tlbsync */
4449 static void gen_tlbsync(DisasContext *ctx)
4450 {
4451 #if defined(CONFIG_USER_ONLY)
4452     GEN_PRIV;
4453 #else
4454     CHK_HV;
4455 
4456     /* BookS does both ptesync and tlbsync make tlbsync a nop for server */
4457     if (ctx->insns_flags & PPC_BOOKE) {
4458         gen_check_tlb_flush(ctx, true);
4459     }
4460 #endif /* defined(CONFIG_USER_ONLY) */
4461 }
4462 
4463 #if defined(TARGET_PPC64)
4464 /* slbia */
4465 static void gen_slbia(DisasContext *ctx)
4466 {
4467 #if defined(CONFIG_USER_ONLY)
4468     GEN_PRIV;
4469 #else
4470     CHK_SV;
4471 
4472     gen_helper_slbia(cpu_env);
4473 #endif /* defined(CONFIG_USER_ONLY) */
4474 }
4475 
4476 /* slbie */
4477 static void gen_slbie(DisasContext *ctx)
4478 {
4479 #if defined(CONFIG_USER_ONLY)
4480     GEN_PRIV;
4481 #else
4482     CHK_SV;
4483 
4484     gen_helper_slbie(cpu_env, cpu_gpr[rB(ctx->opcode)]);
4485 #endif /* defined(CONFIG_USER_ONLY) */
4486 }
4487 
4488 /* slbieg */
4489 static void gen_slbieg(DisasContext *ctx)
4490 {
4491 #if defined(CONFIG_USER_ONLY)
4492     GEN_PRIV;
4493 #else
4494     CHK_SV;
4495 
4496     gen_helper_slbieg(cpu_env, cpu_gpr[rB(ctx->opcode)]);
4497 #endif /* defined(CONFIG_USER_ONLY) */
4498 }
4499 
4500 /* slbsync */
4501 static void gen_slbsync(DisasContext *ctx)
4502 {
4503 #if defined(CONFIG_USER_ONLY)
4504     GEN_PRIV;
4505 #else
4506     CHK_SV;
4507     gen_check_tlb_flush(ctx, true);
4508 #endif /* defined(CONFIG_USER_ONLY) */
4509 }
4510 
4511 #endif  /* defined(TARGET_PPC64) */
4512 
4513 /***                              External control                         ***/
4514 /* Optional: */
4515 
4516 /* eciwx */
4517 static void gen_eciwx(DisasContext *ctx)
4518 {
4519     TCGv t0;
4520     /* Should check EAR[E] ! */
4521     gen_set_access_type(ctx, ACCESS_EXT);
4522     t0 = tcg_temp_new();
4523     gen_addr_reg_index(ctx, t0);
4524     gen_check_align(ctx, t0, 0x03);
4525     gen_qemu_ld32u(ctx, cpu_gpr[rD(ctx->opcode)], t0);
4526     tcg_temp_free(t0);
4527 }
4528 
4529 /* ecowx */
4530 static void gen_ecowx(DisasContext *ctx)
4531 {
4532     TCGv t0;
4533     /* Should check EAR[E] ! */
4534     gen_set_access_type(ctx, ACCESS_EXT);
4535     t0 = tcg_temp_new();
4536     gen_addr_reg_index(ctx, t0);
4537     gen_check_align(ctx, t0, 0x03);
4538     gen_qemu_st32(ctx, cpu_gpr[rD(ctx->opcode)], t0);
4539     tcg_temp_free(t0);
4540 }
4541 
4542 /* PowerPC 601 specific instructions */
4543 
4544 /* abs - abs. */
4545 static void gen_abs(DisasContext *ctx)
4546 {
4547     TCGLabel *l1 = gen_new_label();
4548     TCGLabel *l2 = gen_new_label();
4549     tcg_gen_brcondi_tl(TCG_COND_GE, cpu_gpr[rA(ctx->opcode)], 0, l1);
4550     tcg_gen_neg_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
4551     tcg_gen_br(l2);
4552     gen_set_label(l1);
4553     tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
4554     gen_set_label(l2);
4555     if (unlikely(Rc(ctx->opcode) != 0))
4556         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
4557 }
4558 
4559 /* abso - abso. */
4560 static void gen_abso(DisasContext *ctx)
4561 {
4562     TCGLabel *l1 = gen_new_label();
4563     TCGLabel *l2 = gen_new_label();
4564     TCGLabel *l3 = gen_new_label();
4565     /* Start with XER OV disabled, the most likely case */
4566     tcg_gen_movi_tl(cpu_ov, 0);
4567     tcg_gen_brcondi_tl(TCG_COND_GE, cpu_gpr[rA(ctx->opcode)], 0, l2);
4568     tcg_gen_brcondi_tl(TCG_COND_NE, cpu_gpr[rA(ctx->opcode)], 0x80000000, l1);
4569     tcg_gen_movi_tl(cpu_ov, 1);
4570     tcg_gen_movi_tl(cpu_so, 1);
4571     tcg_gen_br(l2);
4572     gen_set_label(l1);
4573     tcg_gen_neg_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
4574     tcg_gen_br(l3);
4575     gen_set_label(l2);
4576     tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
4577     gen_set_label(l3);
4578     if (unlikely(Rc(ctx->opcode) != 0))
4579         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
4580 }
4581 
4582 /* clcs */
4583 static void gen_clcs(DisasContext *ctx)
4584 {
4585     TCGv_i32 t0 = tcg_const_i32(rA(ctx->opcode));
4586     gen_helper_clcs(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
4587     tcg_temp_free_i32(t0);
4588     /* Rc=1 sets CR0 to an undefined state */
4589 }
4590 
4591 /* div - div. */
4592 static void gen_div(DisasContext *ctx)
4593 {
4594     gen_helper_div(cpu_gpr[rD(ctx->opcode)], cpu_env, cpu_gpr[rA(ctx->opcode)],
4595                    cpu_gpr[rB(ctx->opcode)]);
4596     if (unlikely(Rc(ctx->opcode) != 0))
4597         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
4598 }
4599 
4600 /* divo - divo. */
4601 static void gen_divo(DisasContext *ctx)
4602 {
4603     gen_helper_divo(cpu_gpr[rD(ctx->opcode)], cpu_env, cpu_gpr[rA(ctx->opcode)],
4604                     cpu_gpr[rB(ctx->opcode)]);
4605     if (unlikely(Rc(ctx->opcode) != 0))
4606         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
4607 }
4608 
4609 /* divs - divs. */
4610 static void gen_divs(DisasContext *ctx)
4611 {
4612     gen_helper_divs(cpu_gpr[rD(ctx->opcode)], cpu_env, cpu_gpr[rA(ctx->opcode)],
4613                     cpu_gpr[rB(ctx->opcode)]);
4614     if (unlikely(Rc(ctx->opcode) != 0))
4615         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
4616 }
4617 
4618 /* divso - divso. */
4619 static void gen_divso(DisasContext *ctx)
4620 {
4621     gen_helper_divso(cpu_gpr[rD(ctx->opcode)], cpu_env,
4622                      cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
4623     if (unlikely(Rc(ctx->opcode) != 0))
4624         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
4625 }
4626 
4627 /* doz - doz. */
4628 static void gen_doz(DisasContext *ctx)
4629 {
4630     TCGLabel *l1 = gen_new_label();
4631     TCGLabel *l2 = gen_new_label();
4632     tcg_gen_brcond_tl(TCG_COND_GE, cpu_gpr[rB(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], l1);
4633     tcg_gen_sub_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
4634     tcg_gen_br(l2);
4635     gen_set_label(l1);
4636     tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], 0);
4637     gen_set_label(l2);
4638     if (unlikely(Rc(ctx->opcode) != 0))
4639         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
4640 }
4641 
4642 /* dozo - dozo. */
4643 static void gen_dozo(DisasContext *ctx)
4644 {
4645     TCGLabel *l1 = gen_new_label();
4646     TCGLabel *l2 = gen_new_label();
4647     TCGv t0 = tcg_temp_new();
4648     TCGv t1 = tcg_temp_new();
4649     TCGv t2 = tcg_temp_new();
4650     /* Start with XER OV disabled, the most likely case */
4651     tcg_gen_movi_tl(cpu_ov, 0);
4652     tcg_gen_brcond_tl(TCG_COND_GE, cpu_gpr[rB(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], l1);
4653     tcg_gen_sub_tl(t0, cpu_gpr[rB(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
4654     tcg_gen_xor_tl(t1, cpu_gpr[rB(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
4655     tcg_gen_xor_tl(t2, cpu_gpr[rA(ctx->opcode)], t0);
4656     tcg_gen_andc_tl(t1, t1, t2);
4657     tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], t0);
4658     tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l2);
4659     tcg_gen_movi_tl(cpu_ov, 1);
4660     tcg_gen_movi_tl(cpu_so, 1);
4661     tcg_gen_br(l2);
4662     gen_set_label(l1);
4663     tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], 0);
4664     gen_set_label(l2);
4665     tcg_temp_free(t0);
4666     tcg_temp_free(t1);
4667     tcg_temp_free(t2);
4668     if (unlikely(Rc(ctx->opcode) != 0))
4669         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
4670 }
4671 
4672 /* dozi */
4673 static void gen_dozi(DisasContext *ctx)
4674 {
4675     target_long simm = SIMM(ctx->opcode);
4676     TCGLabel *l1 = gen_new_label();
4677     TCGLabel *l2 = gen_new_label();
4678     tcg_gen_brcondi_tl(TCG_COND_LT, cpu_gpr[rA(ctx->opcode)], simm, l1);
4679     tcg_gen_subfi_tl(cpu_gpr[rD(ctx->opcode)], simm, cpu_gpr[rA(ctx->opcode)]);
4680     tcg_gen_br(l2);
4681     gen_set_label(l1);
4682     tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], 0);
4683     gen_set_label(l2);
4684     if (unlikely(Rc(ctx->opcode) != 0))
4685         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
4686 }
4687 
4688 /* lscbx - lscbx. */
4689 static void gen_lscbx(DisasContext *ctx)
4690 {
4691     TCGv t0 = tcg_temp_new();
4692     TCGv_i32 t1 = tcg_const_i32(rD(ctx->opcode));
4693     TCGv_i32 t2 = tcg_const_i32(rA(ctx->opcode));
4694     TCGv_i32 t3 = tcg_const_i32(rB(ctx->opcode));
4695 
4696     gen_addr_reg_index(ctx, t0);
4697     gen_helper_lscbx(t0, cpu_env, t0, t1, t2, t3);
4698     tcg_temp_free_i32(t1);
4699     tcg_temp_free_i32(t2);
4700     tcg_temp_free_i32(t3);
4701     tcg_gen_andi_tl(cpu_xer, cpu_xer, ~0x7F);
4702     tcg_gen_or_tl(cpu_xer, cpu_xer, t0);
4703     if (unlikely(Rc(ctx->opcode) != 0))
4704         gen_set_Rc0(ctx, t0);
4705     tcg_temp_free(t0);
4706 }
4707 
4708 /* maskg - maskg. */
4709 static void gen_maskg(DisasContext *ctx)
4710 {
4711     TCGLabel *l1 = gen_new_label();
4712     TCGv t0 = tcg_temp_new();
4713     TCGv t1 = tcg_temp_new();
4714     TCGv t2 = tcg_temp_new();
4715     TCGv t3 = tcg_temp_new();
4716     tcg_gen_movi_tl(t3, 0xFFFFFFFF);
4717     tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F);
4718     tcg_gen_andi_tl(t1, cpu_gpr[rS(ctx->opcode)], 0x1F);
4719     tcg_gen_addi_tl(t2, t0, 1);
4720     tcg_gen_shr_tl(t2, t3, t2);
4721     tcg_gen_shr_tl(t3, t3, t1);
4722     tcg_gen_xor_tl(cpu_gpr[rA(ctx->opcode)], t2, t3);
4723     tcg_gen_brcond_tl(TCG_COND_GE, t0, t1, l1);
4724     tcg_gen_neg_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
4725     gen_set_label(l1);
4726     tcg_temp_free(t0);
4727     tcg_temp_free(t1);
4728     tcg_temp_free(t2);
4729     tcg_temp_free(t3);
4730     if (unlikely(Rc(ctx->opcode) != 0))
4731         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
4732 }
4733 
4734 /* maskir - maskir. */
4735 static void gen_maskir(DisasContext *ctx)
4736 {
4737     TCGv t0 = tcg_temp_new();
4738     TCGv t1 = tcg_temp_new();
4739     tcg_gen_and_tl(t0, cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
4740     tcg_gen_andc_tl(t1, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
4741     tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
4742     tcg_temp_free(t0);
4743     tcg_temp_free(t1);
4744     if (unlikely(Rc(ctx->opcode) != 0))
4745         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
4746 }
4747 
4748 /* mul - mul. */
4749 static void gen_mul(DisasContext *ctx)
4750 {
4751     TCGv_i64 t0 = tcg_temp_new_i64();
4752     TCGv_i64 t1 = tcg_temp_new_i64();
4753     TCGv t2 = tcg_temp_new();
4754     tcg_gen_extu_tl_i64(t0, cpu_gpr[rA(ctx->opcode)]);
4755     tcg_gen_extu_tl_i64(t1, cpu_gpr[rB(ctx->opcode)]);
4756     tcg_gen_mul_i64(t0, t0, t1);
4757     tcg_gen_trunc_i64_tl(t2, t0);
4758     gen_store_spr(SPR_MQ, t2);
4759     tcg_gen_shri_i64(t1, t0, 32);
4760     tcg_gen_trunc_i64_tl(cpu_gpr[rD(ctx->opcode)], t1);
4761     tcg_temp_free_i64(t0);
4762     tcg_temp_free_i64(t1);
4763     tcg_temp_free(t2);
4764     if (unlikely(Rc(ctx->opcode) != 0))
4765         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
4766 }
4767 
4768 /* mulo - mulo. */
4769 static void gen_mulo(DisasContext *ctx)
4770 {
4771     TCGLabel *l1 = gen_new_label();
4772     TCGv_i64 t0 = tcg_temp_new_i64();
4773     TCGv_i64 t1 = tcg_temp_new_i64();
4774     TCGv t2 = tcg_temp_new();
4775     /* Start with XER OV disabled, the most likely case */
4776     tcg_gen_movi_tl(cpu_ov, 0);
4777     tcg_gen_extu_tl_i64(t0, cpu_gpr[rA(ctx->opcode)]);
4778     tcg_gen_extu_tl_i64(t1, cpu_gpr[rB(ctx->opcode)]);
4779     tcg_gen_mul_i64(t0, t0, t1);
4780     tcg_gen_trunc_i64_tl(t2, t0);
4781     gen_store_spr(SPR_MQ, t2);
4782     tcg_gen_shri_i64(t1, t0, 32);
4783     tcg_gen_trunc_i64_tl(cpu_gpr[rD(ctx->opcode)], t1);
4784     tcg_gen_ext32s_i64(t1, t0);
4785     tcg_gen_brcond_i64(TCG_COND_EQ, t0, t1, l1);
4786     tcg_gen_movi_tl(cpu_ov, 1);
4787     tcg_gen_movi_tl(cpu_so, 1);
4788     gen_set_label(l1);
4789     tcg_temp_free_i64(t0);
4790     tcg_temp_free_i64(t1);
4791     tcg_temp_free(t2);
4792     if (unlikely(Rc(ctx->opcode) != 0))
4793         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
4794 }
4795 
4796 /* nabs - nabs. */
4797 static void gen_nabs(DisasContext *ctx)
4798 {
4799     TCGLabel *l1 = gen_new_label();
4800     TCGLabel *l2 = gen_new_label();
4801     tcg_gen_brcondi_tl(TCG_COND_GT, cpu_gpr[rA(ctx->opcode)], 0, l1);
4802     tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
4803     tcg_gen_br(l2);
4804     gen_set_label(l1);
4805     tcg_gen_neg_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
4806     gen_set_label(l2);
4807     if (unlikely(Rc(ctx->opcode) != 0))
4808         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
4809 }
4810 
4811 /* nabso - nabso. */
4812 static void gen_nabso(DisasContext *ctx)
4813 {
4814     TCGLabel *l1 = gen_new_label();
4815     TCGLabel *l2 = gen_new_label();
4816     tcg_gen_brcondi_tl(TCG_COND_GT, cpu_gpr[rA(ctx->opcode)], 0, l1);
4817     tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
4818     tcg_gen_br(l2);
4819     gen_set_label(l1);
4820     tcg_gen_neg_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
4821     gen_set_label(l2);
4822     /* nabs never overflows */
4823     tcg_gen_movi_tl(cpu_ov, 0);
4824     if (unlikely(Rc(ctx->opcode) != 0))
4825         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
4826 }
4827 
4828 /* rlmi - rlmi. */
4829 static void gen_rlmi(DisasContext *ctx)
4830 {
4831     uint32_t mb = MB(ctx->opcode);
4832     uint32_t me = ME(ctx->opcode);
4833     TCGv t0 = tcg_temp_new();
4834     tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F);
4835     tcg_gen_rotl_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
4836     tcg_gen_andi_tl(t0, t0, MASK(mb, me));
4837     tcg_gen_andi_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], ~MASK(mb, me));
4838     tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], t0);
4839     tcg_temp_free(t0);
4840     if (unlikely(Rc(ctx->opcode) != 0))
4841         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
4842 }
4843 
4844 /* rrib - rrib. */
4845 static void gen_rrib(DisasContext *ctx)
4846 {
4847     TCGv t0 = tcg_temp_new();
4848     TCGv t1 = tcg_temp_new();
4849     tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F);
4850     tcg_gen_movi_tl(t1, 0x80000000);
4851     tcg_gen_shr_tl(t1, t1, t0);
4852     tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
4853     tcg_gen_and_tl(t0, t0, t1);
4854     tcg_gen_andc_tl(t1, cpu_gpr[rA(ctx->opcode)], t1);
4855     tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
4856     tcg_temp_free(t0);
4857     tcg_temp_free(t1);
4858     if (unlikely(Rc(ctx->opcode) != 0))
4859         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
4860 }
4861 
4862 /* sle - sle. */
4863 static void gen_sle(DisasContext *ctx)
4864 {
4865     TCGv t0 = tcg_temp_new();
4866     TCGv t1 = tcg_temp_new();
4867     tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F);
4868     tcg_gen_shl_tl(t0, cpu_gpr[rS(ctx->opcode)], t1);
4869     tcg_gen_subfi_tl(t1, 32, t1);
4870     tcg_gen_shr_tl(t1, cpu_gpr[rS(ctx->opcode)], t1);
4871     tcg_gen_or_tl(t1, t0, t1);
4872     tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
4873     gen_store_spr(SPR_MQ, t1);
4874     tcg_temp_free(t0);
4875     tcg_temp_free(t1);
4876     if (unlikely(Rc(ctx->opcode) != 0))
4877         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
4878 }
4879 
4880 /* sleq - sleq. */
4881 static void gen_sleq(DisasContext *ctx)
4882 {
4883     TCGv t0 = tcg_temp_new();
4884     TCGv t1 = tcg_temp_new();
4885     TCGv t2 = tcg_temp_new();
4886     tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F);
4887     tcg_gen_movi_tl(t2, 0xFFFFFFFF);
4888     tcg_gen_shl_tl(t2, t2, t0);
4889     tcg_gen_rotl_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
4890     gen_load_spr(t1, SPR_MQ);
4891     gen_store_spr(SPR_MQ, t0);
4892     tcg_gen_and_tl(t0, t0, t2);
4893     tcg_gen_andc_tl(t1, t1, t2);
4894     tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
4895     tcg_temp_free(t0);
4896     tcg_temp_free(t1);
4897     tcg_temp_free(t2);
4898     if (unlikely(Rc(ctx->opcode) != 0))
4899         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
4900 }
4901 
4902 /* sliq - sliq. */
4903 static void gen_sliq(DisasContext *ctx)
4904 {
4905     int sh = SH(ctx->opcode);
4906     TCGv t0 = tcg_temp_new();
4907     TCGv t1 = tcg_temp_new();
4908     tcg_gen_shli_tl(t0, cpu_gpr[rS(ctx->opcode)], sh);
4909     tcg_gen_shri_tl(t1, cpu_gpr[rS(ctx->opcode)], 32 - sh);
4910     tcg_gen_or_tl(t1, t0, t1);
4911     tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
4912     gen_store_spr(SPR_MQ, t1);
4913     tcg_temp_free(t0);
4914     tcg_temp_free(t1);
4915     if (unlikely(Rc(ctx->opcode) != 0))
4916         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
4917 }
4918 
4919 /* slliq - slliq. */
4920 static void gen_slliq(DisasContext *ctx)
4921 {
4922     int sh = SH(ctx->opcode);
4923     TCGv t0 = tcg_temp_new();
4924     TCGv t1 = tcg_temp_new();
4925     tcg_gen_rotli_tl(t0, cpu_gpr[rS(ctx->opcode)], sh);
4926     gen_load_spr(t1, SPR_MQ);
4927     gen_store_spr(SPR_MQ, t0);
4928     tcg_gen_andi_tl(t0, t0,  (0xFFFFFFFFU << sh));
4929     tcg_gen_andi_tl(t1, t1, ~(0xFFFFFFFFU << sh));
4930     tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
4931     tcg_temp_free(t0);
4932     tcg_temp_free(t1);
4933     if (unlikely(Rc(ctx->opcode) != 0))
4934         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
4935 }
4936 
4937 /* sllq - sllq. */
4938 static void gen_sllq(DisasContext *ctx)
4939 {
4940     TCGLabel *l1 = gen_new_label();
4941     TCGLabel *l2 = gen_new_label();
4942     TCGv t0 = tcg_temp_local_new();
4943     TCGv t1 = tcg_temp_local_new();
4944     TCGv t2 = tcg_temp_local_new();
4945     tcg_gen_andi_tl(t2, cpu_gpr[rB(ctx->opcode)], 0x1F);
4946     tcg_gen_movi_tl(t1, 0xFFFFFFFF);
4947     tcg_gen_shl_tl(t1, t1, t2);
4948     tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x20);
4949     tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1);
4950     gen_load_spr(t0, SPR_MQ);
4951     tcg_gen_and_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
4952     tcg_gen_br(l2);
4953     gen_set_label(l1);
4954     tcg_gen_shl_tl(t0, cpu_gpr[rS(ctx->opcode)], t2);
4955     gen_load_spr(t2, SPR_MQ);
4956     tcg_gen_andc_tl(t1, t2, t1);
4957     tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
4958     gen_set_label(l2);
4959     tcg_temp_free(t0);
4960     tcg_temp_free(t1);
4961     tcg_temp_free(t2);
4962     if (unlikely(Rc(ctx->opcode) != 0))
4963         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
4964 }
4965 
4966 /* slq - slq. */
4967 static void gen_slq(DisasContext *ctx)
4968 {
4969     TCGLabel *l1 = gen_new_label();
4970     TCGv t0 = tcg_temp_new();
4971     TCGv t1 = tcg_temp_new();
4972     tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F);
4973     tcg_gen_shl_tl(t0, cpu_gpr[rS(ctx->opcode)], t1);
4974     tcg_gen_subfi_tl(t1, 32, t1);
4975     tcg_gen_shr_tl(t1, cpu_gpr[rS(ctx->opcode)], t1);
4976     tcg_gen_or_tl(t1, t0, t1);
4977     gen_store_spr(SPR_MQ, t1);
4978     tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x20);
4979     tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
4980     tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1);
4981     tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0);
4982     gen_set_label(l1);
4983     tcg_temp_free(t0);
4984     tcg_temp_free(t1);
4985     if (unlikely(Rc(ctx->opcode) != 0))
4986         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
4987 }
4988 
4989 /* sraiq - sraiq. */
4990 static void gen_sraiq(DisasContext *ctx)
4991 {
4992     int sh = SH(ctx->opcode);
4993     TCGLabel *l1 = gen_new_label();
4994     TCGv t0 = tcg_temp_new();
4995     TCGv t1 = tcg_temp_new();
4996     tcg_gen_shri_tl(t0, cpu_gpr[rS(ctx->opcode)], sh);
4997     tcg_gen_shli_tl(t1, cpu_gpr[rS(ctx->opcode)], 32 - sh);
4998     tcg_gen_or_tl(t0, t0, t1);
4999     gen_store_spr(SPR_MQ, t0);
5000     tcg_gen_movi_tl(cpu_ca, 0);
5001     tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1);
5002     tcg_gen_brcondi_tl(TCG_COND_GE, cpu_gpr[rS(ctx->opcode)], 0, l1);
5003     tcg_gen_movi_tl(cpu_ca, 1);
5004     gen_set_label(l1);
5005     tcg_gen_sari_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], sh);
5006     tcg_temp_free(t0);
5007     tcg_temp_free(t1);
5008     if (unlikely(Rc(ctx->opcode) != 0))
5009         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5010 }
5011 
5012 /* sraq - sraq. */
5013 static void gen_sraq(DisasContext *ctx)
5014 {
5015     TCGLabel *l1 = gen_new_label();
5016     TCGLabel *l2 = gen_new_label();
5017     TCGv t0 = tcg_temp_new();
5018     TCGv t1 = tcg_temp_local_new();
5019     TCGv t2 = tcg_temp_local_new();
5020     tcg_gen_andi_tl(t2, cpu_gpr[rB(ctx->opcode)], 0x1F);
5021     tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t2);
5022     tcg_gen_sar_tl(t1, cpu_gpr[rS(ctx->opcode)], t2);
5023     tcg_gen_subfi_tl(t2, 32, t2);
5024     tcg_gen_shl_tl(t2, cpu_gpr[rS(ctx->opcode)], t2);
5025     tcg_gen_or_tl(t0, t0, t2);
5026     gen_store_spr(SPR_MQ, t0);
5027     tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x20);
5028     tcg_gen_brcondi_tl(TCG_COND_EQ, t2, 0, l1);
5029     tcg_gen_mov_tl(t2, cpu_gpr[rS(ctx->opcode)]);
5030     tcg_gen_sari_tl(t1, cpu_gpr[rS(ctx->opcode)], 31);
5031     gen_set_label(l1);
5032     tcg_temp_free(t0);
5033     tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t1);
5034     tcg_gen_movi_tl(cpu_ca, 0);
5035     tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l2);
5036     tcg_gen_brcondi_tl(TCG_COND_EQ, t2, 0, l2);
5037     tcg_gen_movi_tl(cpu_ca, 1);
5038     gen_set_label(l2);
5039     tcg_temp_free(t1);
5040     tcg_temp_free(t2);
5041     if (unlikely(Rc(ctx->opcode) != 0))
5042         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5043 }
5044 
5045 /* sre - sre. */
5046 static void gen_sre(DisasContext *ctx)
5047 {
5048     TCGv t0 = tcg_temp_new();
5049     TCGv t1 = tcg_temp_new();
5050     tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F);
5051     tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t1);
5052     tcg_gen_subfi_tl(t1, 32, t1);
5053     tcg_gen_shl_tl(t1, cpu_gpr[rS(ctx->opcode)], t1);
5054     tcg_gen_or_tl(t1, t0, t1);
5055     tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
5056     gen_store_spr(SPR_MQ, t1);
5057     tcg_temp_free(t0);
5058     tcg_temp_free(t1);
5059     if (unlikely(Rc(ctx->opcode) != 0))
5060         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5061 }
5062 
5063 /* srea - srea. */
5064 static void gen_srea(DisasContext *ctx)
5065 {
5066     TCGv t0 = tcg_temp_new();
5067     TCGv t1 = tcg_temp_new();
5068     tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F);
5069     tcg_gen_rotr_tl(t0, cpu_gpr[rS(ctx->opcode)], t1);
5070     gen_store_spr(SPR_MQ, t0);
5071     tcg_gen_sar_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], t1);
5072     tcg_temp_free(t0);
5073     tcg_temp_free(t1);
5074     if (unlikely(Rc(ctx->opcode) != 0))
5075         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5076 }
5077 
5078 /* sreq */
5079 static void gen_sreq(DisasContext *ctx)
5080 {
5081     TCGv t0 = tcg_temp_new();
5082     TCGv t1 = tcg_temp_new();
5083     TCGv t2 = tcg_temp_new();
5084     tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F);
5085     tcg_gen_movi_tl(t1, 0xFFFFFFFF);
5086     tcg_gen_shr_tl(t1, t1, t0);
5087     tcg_gen_rotr_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
5088     gen_load_spr(t2, SPR_MQ);
5089     gen_store_spr(SPR_MQ, t0);
5090     tcg_gen_and_tl(t0, t0, t1);
5091     tcg_gen_andc_tl(t2, t2, t1);
5092     tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t2);
5093     tcg_temp_free(t0);
5094     tcg_temp_free(t1);
5095     tcg_temp_free(t2);
5096     if (unlikely(Rc(ctx->opcode) != 0))
5097         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5098 }
5099 
5100 /* sriq */
5101 static void gen_sriq(DisasContext *ctx)
5102 {
5103     int sh = SH(ctx->opcode);
5104     TCGv t0 = tcg_temp_new();
5105     TCGv t1 = tcg_temp_new();
5106     tcg_gen_shri_tl(t0, cpu_gpr[rS(ctx->opcode)], sh);
5107     tcg_gen_shli_tl(t1, cpu_gpr[rS(ctx->opcode)], 32 - sh);
5108     tcg_gen_or_tl(t1, t0, t1);
5109     tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
5110     gen_store_spr(SPR_MQ, t1);
5111     tcg_temp_free(t0);
5112     tcg_temp_free(t1);
5113     if (unlikely(Rc(ctx->opcode) != 0))
5114         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5115 }
5116 
5117 /* srliq */
5118 static void gen_srliq(DisasContext *ctx)
5119 {
5120     int sh = SH(ctx->opcode);
5121     TCGv t0 = tcg_temp_new();
5122     TCGv t1 = tcg_temp_new();
5123     tcg_gen_rotri_tl(t0, cpu_gpr[rS(ctx->opcode)], sh);
5124     gen_load_spr(t1, SPR_MQ);
5125     gen_store_spr(SPR_MQ, t0);
5126     tcg_gen_andi_tl(t0, t0,  (0xFFFFFFFFU >> sh));
5127     tcg_gen_andi_tl(t1, t1, ~(0xFFFFFFFFU >> sh));
5128     tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
5129     tcg_temp_free(t0);
5130     tcg_temp_free(t1);
5131     if (unlikely(Rc(ctx->opcode) != 0))
5132         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5133 }
5134 
5135 /* srlq */
5136 static void gen_srlq(DisasContext *ctx)
5137 {
5138     TCGLabel *l1 = gen_new_label();
5139     TCGLabel *l2 = gen_new_label();
5140     TCGv t0 = tcg_temp_local_new();
5141     TCGv t1 = tcg_temp_local_new();
5142     TCGv t2 = tcg_temp_local_new();
5143     tcg_gen_andi_tl(t2, cpu_gpr[rB(ctx->opcode)], 0x1F);
5144     tcg_gen_movi_tl(t1, 0xFFFFFFFF);
5145     tcg_gen_shr_tl(t2, t1, t2);
5146     tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x20);
5147     tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1);
5148     gen_load_spr(t0, SPR_MQ);
5149     tcg_gen_and_tl(cpu_gpr[rA(ctx->opcode)], t0, t2);
5150     tcg_gen_br(l2);
5151     gen_set_label(l1);
5152     tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t2);
5153     tcg_gen_and_tl(t0, t0, t2);
5154     gen_load_spr(t1, SPR_MQ);
5155     tcg_gen_andc_tl(t1, t1, t2);
5156     tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
5157     gen_set_label(l2);
5158     tcg_temp_free(t0);
5159     tcg_temp_free(t1);
5160     tcg_temp_free(t2);
5161     if (unlikely(Rc(ctx->opcode) != 0))
5162         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5163 }
5164 
5165 /* srq */
5166 static void gen_srq(DisasContext *ctx)
5167 {
5168     TCGLabel *l1 = gen_new_label();
5169     TCGv t0 = tcg_temp_new();
5170     TCGv t1 = tcg_temp_new();
5171     tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F);
5172     tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t1);
5173     tcg_gen_subfi_tl(t1, 32, t1);
5174     tcg_gen_shl_tl(t1, cpu_gpr[rS(ctx->opcode)], t1);
5175     tcg_gen_or_tl(t1, t0, t1);
5176     gen_store_spr(SPR_MQ, t1);
5177     tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x20);
5178     tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
5179     tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1);
5180     tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0);
5181     gen_set_label(l1);
5182     tcg_temp_free(t0);
5183     tcg_temp_free(t1);
5184     if (unlikely(Rc(ctx->opcode) != 0))
5185         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5186 }
5187 
5188 /* PowerPC 602 specific instructions */
5189 
5190 /* dsa  */
5191 static void gen_dsa(DisasContext *ctx)
5192 {
5193     /* XXX: TODO */
5194     gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
5195 }
5196 
5197 /* esa */
5198 static void gen_esa(DisasContext *ctx)
5199 {
5200     /* XXX: TODO */
5201     gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
5202 }
5203 
5204 /* mfrom */
5205 static void gen_mfrom(DisasContext *ctx)
5206 {
5207 #if defined(CONFIG_USER_ONLY)
5208     GEN_PRIV;
5209 #else
5210     CHK_SV;
5211     gen_helper_602_mfrom(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
5212 #endif /* defined(CONFIG_USER_ONLY) */
5213 }
5214 
5215 /* 602 - 603 - G2 TLB management */
5216 
5217 /* tlbld */
5218 static void gen_tlbld_6xx(DisasContext *ctx)
5219 {
5220 #if defined(CONFIG_USER_ONLY)
5221     GEN_PRIV;
5222 #else
5223     CHK_SV;
5224     gen_helper_6xx_tlbd(cpu_env, cpu_gpr[rB(ctx->opcode)]);
5225 #endif /* defined(CONFIG_USER_ONLY) */
5226 }
5227 
5228 /* tlbli */
5229 static void gen_tlbli_6xx(DisasContext *ctx)
5230 {
5231 #if defined(CONFIG_USER_ONLY)
5232     GEN_PRIV;
5233 #else
5234     CHK_SV;
5235     gen_helper_6xx_tlbi(cpu_env, cpu_gpr[rB(ctx->opcode)]);
5236 #endif /* defined(CONFIG_USER_ONLY) */
5237 }
5238 
5239 /* 74xx TLB management */
5240 
5241 /* tlbld */
5242 static void gen_tlbld_74xx(DisasContext *ctx)
5243 {
5244 #if defined(CONFIG_USER_ONLY)
5245     GEN_PRIV;
5246 #else
5247     CHK_SV;
5248     gen_helper_74xx_tlbd(cpu_env, cpu_gpr[rB(ctx->opcode)]);
5249 #endif /* defined(CONFIG_USER_ONLY) */
5250 }
5251 
5252 /* tlbli */
5253 static void gen_tlbli_74xx(DisasContext *ctx)
5254 {
5255 #if defined(CONFIG_USER_ONLY)
5256     GEN_PRIV;
5257 #else
5258     CHK_SV;
5259     gen_helper_74xx_tlbi(cpu_env, cpu_gpr[rB(ctx->opcode)]);
5260 #endif /* defined(CONFIG_USER_ONLY) */
5261 }
5262 
5263 /* POWER instructions not in PowerPC 601 */
5264 
5265 /* clf */
5266 static void gen_clf(DisasContext *ctx)
5267 {
5268     /* Cache line flush: implemented as no-op */
5269 }
5270 
5271 /* cli */
5272 static void gen_cli(DisasContext *ctx)
5273 {
5274 #if defined(CONFIG_USER_ONLY)
5275     GEN_PRIV;
5276 #else
5277     /* Cache line invalidate: privileged and treated as no-op */
5278     CHK_SV;
5279 #endif /* defined(CONFIG_USER_ONLY) */
5280 }
5281 
5282 /* dclst */
5283 static void gen_dclst(DisasContext *ctx)
5284 {
5285     /* Data cache line store: treated as no-op */
5286 }
5287 
5288 static void gen_mfsri(DisasContext *ctx)
5289 {
5290 #if defined(CONFIG_USER_ONLY)
5291     GEN_PRIV;
5292 #else
5293     int ra = rA(ctx->opcode);
5294     int rd = rD(ctx->opcode);
5295     TCGv t0;
5296 
5297     CHK_SV;
5298     t0 = tcg_temp_new();
5299     gen_addr_reg_index(ctx, t0);
5300     tcg_gen_shri_tl(t0, t0, 28);
5301     tcg_gen_andi_tl(t0, t0, 0xF);
5302     gen_helper_load_sr(cpu_gpr[rd], cpu_env, t0);
5303     tcg_temp_free(t0);
5304     if (ra != 0 && ra != rd)
5305         tcg_gen_mov_tl(cpu_gpr[ra], cpu_gpr[rd]);
5306 #endif /* defined(CONFIG_USER_ONLY) */
5307 }
5308 
5309 static void gen_rac(DisasContext *ctx)
5310 {
5311 #if defined(CONFIG_USER_ONLY)
5312     GEN_PRIV;
5313 #else
5314     TCGv t0;
5315 
5316     CHK_SV;
5317     t0 = tcg_temp_new();
5318     gen_addr_reg_index(ctx, t0);
5319     gen_helper_rac(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
5320     tcg_temp_free(t0);
5321 #endif /* defined(CONFIG_USER_ONLY) */
5322 }
5323 
5324 static void gen_rfsvc(DisasContext *ctx)
5325 {
5326 #if defined(CONFIG_USER_ONLY)
5327     GEN_PRIV;
5328 #else
5329     CHK_SV;
5330 
5331     gen_helper_rfsvc(cpu_env);
5332     gen_sync_exception(ctx);
5333 #endif /* defined(CONFIG_USER_ONLY) */
5334 }
5335 
5336 /* svc is not implemented for now */
5337 
5338 /* BookE specific instructions */
5339 
5340 /* XXX: not implemented on 440 ? */
5341 static void gen_mfapidi(DisasContext *ctx)
5342 {
5343     /* XXX: TODO */
5344     gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
5345 }
5346 
5347 /* XXX: not implemented on 440 ? */
5348 static void gen_tlbiva(DisasContext *ctx)
5349 {
5350 #if defined(CONFIG_USER_ONLY)
5351     GEN_PRIV;
5352 #else
5353     TCGv t0;
5354 
5355     CHK_SV;
5356     t0 = tcg_temp_new();
5357     gen_addr_reg_index(ctx, t0);
5358     gen_helper_tlbiva(cpu_env, cpu_gpr[rB(ctx->opcode)]);
5359     tcg_temp_free(t0);
5360 #endif /* defined(CONFIG_USER_ONLY) */
5361 }
5362 
5363 /* All 405 MAC instructions are translated here */
5364 static inline void gen_405_mulladd_insn(DisasContext *ctx, int opc2, int opc3,
5365                                         int ra, int rb, int rt, int Rc)
5366 {
5367     TCGv t0, t1;
5368 
5369     t0 = tcg_temp_local_new();
5370     t1 = tcg_temp_local_new();
5371 
5372     switch (opc3 & 0x0D) {
5373     case 0x05:
5374         /* macchw    - macchw.    - macchwo   - macchwo.   */
5375         /* macchws   - macchws.   - macchwso  - macchwso.  */
5376         /* nmacchw   - nmacchw.   - nmacchwo  - nmacchwo.  */
5377         /* nmacchws  - nmacchws.  - nmacchwso - nmacchwso. */
5378         /* mulchw - mulchw. */
5379         tcg_gen_ext16s_tl(t0, cpu_gpr[ra]);
5380         tcg_gen_sari_tl(t1, cpu_gpr[rb], 16);
5381         tcg_gen_ext16s_tl(t1, t1);
5382         break;
5383     case 0x04:
5384         /* macchwu   - macchwu.   - macchwuo  - macchwuo.  */
5385         /* macchwsu  - macchwsu.  - macchwsuo - macchwsuo. */
5386         /* mulchwu - mulchwu. */
5387         tcg_gen_ext16u_tl(t0, cpu_gpr[ra]);
5388         tcg_gen_shri_tl(t1, cpu_gpr[rb], 16);
5389         tcg_gen_ext16u_tl(t1, t1);
5390         break;
5391     case 0x01:
5392         /* machhw    - machhw.    - machhwo   - machhwo.   */
5393         /* machhws   - machhws.   - machhwso  - machhwso.  */
5394         /* nmachhw   - nmachhw.   - nmachhwo  - nmachhwo.  */
5395         /* nmachhws  - nmachhws.  - nmachhwso - nmachhwso. */
5396         /* mulhhw - mulhhw. */
5397         tcg_gen_sari_tl(t0, cpu_gpr[ra], 16);
5398         tcg_gen_ext16s_tl(t0, t0);
5399         tcg_gen_sari_tl(t1, cpu_gpr[rb], 16);
5400         tcg_gen_ext16s_tl(t1, t1);
5401         break;
5402     case 0x00:
5403         /* machhwu   - machhwu.   - machhwuo  - machhwuo.  */
5404         /* machhwsu  - machhwsu.  - machhwsuo - machhwsuo. */
5405         /* mulhhwu - mulhhwu. */
5406         tcg_gen_shri_tl(t0, cpu_gpr[ra], 16);
5407         tcg_gen_ext16u_tl(t0, t0);
5408         tcg_gen_shri_tl(t1, cpu_gpr[rb], 16);
5409         tcg_gen_ext16u_tl(t1, t1);
5410         break;
5411     case 0x0D:
5412         /* maclhw    - maclhw.    - maclhwo   - maclhwo.   */
5413         /* maclhws   - maclhws.   - maclhwso  - maclhwso.  */
5414         /* nmaclhw   - nmaclhw.   - nmaclhwo  - nmaclhwo.  */
5415         /* nmaclhws  - nmaclhws.  - nmaclhwso - nmaclhwso. */
5416         /* mullhw - mullhw. */
5417         tcg_gen_ext16s_tl(t0, cpu_gpr[ra]);
5418         tcg_gen_ext16s_tl(t1, cpu_gpr[rb]);
5419         break;
5420     case 0x0C:
5421         /* maclhwu   - maclhwu.   - maclhwuo  - maclhwuo.  */
5422         /* maclhwsu  - maclhwsu.  - maclhwsuo - maclhwsuo. */
5423         /* mullhwu - mullhwu. */
5424         tcg_gen_ext16u_tl(t0, cpu_gpr[ra]);
5425         tcg_gen_ext16u_tl(t1, cpu_gpr[rb]);
5426         break;
5427     }
5428     if (opc2 & 0x04) {
5429         /* (n)multiply-and-accumulate (0x0C / 0x0E) */
5430         tcg_gen_mul_tl(t1, t0, t1);
5431         if (opc2 & 0x02) {
5432             /* nmultiply-and-accumulate (0x0E) */
5433             tcg_gen_sub_tl(t0, cpu_gpr[rt], t1);
5434         } else {
5435             /* multiply-and-accumulate (0x0C) */
5436             tcg_gen_add_tl(t0, cpu_gpr[rt], t1);
5437         }
5438 
5439         if (opc3 & 0x12) {
5440             /* Check overflow and/or saturate */
5441             TCGLabel *l1 = gen_new_label();
5442 
5443             if (opc3 & 0x10) {
5444                 /* Start with XER OV disabled, the most likely case */
5445                 tcg_gen_movi_tl(cpu_ov, 0);
5446             }
5447             if (opc3 & 0x01) {
5448                 /* Signed */
5449                 tcg_gen_xor_tl(t1, cpu_gpr[rt], t1);
5450                 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1);
5451                 tcg_gen_xor_tl(t1, cpu_gpr[rt], t0);
5452                 tcg_gen_brcondi_tl(TCG_COND_LT, t1, 0, l1);
5453                 if (opc3 & 0x02) {
5454                     /* Saturate */
5455                     tcg_gen_sari_tl(t0, cpu_gpr[rt], 31);
5456                     tcg_gen_xori_tl(t0, t0, 0x7fffffff);
5457                 }
5458             } else {
5459                 /* Unsigned */
5460                 tcg_gen_brcond_tl(TCG_COND_GEU, t0, t1, l1);
5461                 if (opc3 & 0x02) {
5462                     /* Saturate */
5463                     tcg_gen_movi_tl(t0, UINT32_MAX);
5464                 }
5465             }
5466             if (opc3 & 0x10) {
5467                 /* Check overflow */
5468                 tcg_gen_movi_tl(cpu_ov, 1);
5469                 tcg_gen_movi_tl(cpu_so, 1);
5470             }
5471             gen_set_label(l1);
5472             tcg_gen_mov_tl(cpu_gpr[rt], t0);
5473         }
5474     } else {
5475         tcg_gen_mul_tl(cpu_gpr[rt], t0, t1);
5476     }
5477     tcg_temp_free(t0);
5478     tcg_temp_free(t1);
5479     if (unlikely(Rc) != 0) {
5480         /* Update Rc0 */
5481         gen_set_Rc0(ctx, cpu_gpr[rt]);
5482     }
5483 }
5484 
5485 #define GEN_MAC_HANDLER(name, opc2, opc3)                                     \
5486 static void glue(gen_, name)(DisasContext *ctx)                               \
5487 {                                                                             \
5488     gen_405_mulladd_insn(ctx, opc2, opc3, rA(ctx->opcode), rB(ctx->opcode),   \
5489                          rD(ctx->opcode), Rc(ctx->opcode));                   \
5490 }
5491 
5492 /* macchw    - macchw.    */
5493 GEN_MAC_HANDLER(macchw, 0x0C, 0x05);
5494 /* macchwo   - macchwo.   */
5495 GEN_MAC_HANDLER(macchwo, 0x0C, 0x15);
5496 /* macchws   - macchws.   */
5497 GEN_MAC_HANDLER(macchws, 0x0C, 0x07);
5498 /* macchwso  - macchwso.  */
5499 GEN_MAC_HANDLER(macchwso, 0x0C, 0x17);
5500 /* macchwsu  - macchwsu.  */
5501 GEN_MAC_HANDLER(macchwsu, 0x0C, 0x06);
5502 /* macchwsuo - macchwsuo. */
5503 GEN_MAC_HANDLER(macchwsuo, 0x0C, 0x16);
5504 /* macchwu   - macchwu.   */
5505 GEN_MAC_HANDLER(macchwu, 0x0C, 0x04);
5506 /* macchwuo  - macchwuo.  */
5507 GEN_MAC_HANDLER(macchwuo, 0x0C, 0x14);
5508 /* machhw    - machhw.    */
5509 GEN_MAC_HANDLER(machhw, 0x0C, 0x01);
5510 /* machhwo   - machhwo.   */
5511 GEN_MAC_HANDLER(machhwo, 0x0C, 0x11);
5512 /* machhws   - machhws.   */
5513 GEN_MAC_HANDLER(machhws, 0x0C, 0x03);
5514 /* machhwso  - machhwso.  */
5515 GEN_MAC_HANDLER(machhwso, 0x0C, 0x13);
5516 /* machhwsu  - machhwsu.  */
5517 GEN_MAC_HANDLER(machhwsu, 0x0C, 0x02);
5518 /* machhwsuo - machhwsuo. */
5519 GEN_MAC_HANDLER(machhwsuo, 0x0C, 0x12);
5520 /* machhwu   - machhwu.   */
5521 GEN_MAC_HANDLER(machhwu, 0x0C, 0x00);
5522 /* machhwuo  - machhwuo.  */
5523 GEN_MAC_HANDLER(machhwuo, 0x0C, 0x10);
5524 /* maclhw    - maclhw.    */
5525 GEN_MAC_HANDLER(maclhw, 0x0C, 0x0D);
5526 /* maclhwo   - maclhwo.   */
5527 GEN_MAC_HANDLER(maclhwo, 0x0C, 0x1D);
5528 /* maclhws   - maclhws.   */
5529 GEN_MAC_HANDLER(maclhws, 0x0C, 0x0F);
5530 /* maclhwso  - maclhwso.  */
5531 GEN_MAC_HANDLER(maclhwso, 0x0C, 0x1F);
5532 /* maclhwu   - maclhwu.   */
5533 GEN_MAC_HANDLER(maclhwu, 0x0C, 0x0C);
5534 /* maclhwuo  - maclhwuo.  */
5535 GEN_MAC_HANDLER(maclhwuo, 0x0C, 0x1C);
5536 /* maclhwsu  - maclhwsu.  */
5537 GEN_MAC_HANDLER(maclhwsu, 0x0C, 0x0E);
5538 /* maclhwsuo - maclhwsuo. */
5539 GEN_MAC_HANDLER(maclhwsuo, 0x0C, 0x1E);
5540 /* nmacchw   - nmacchw.   */
5541 GEN_MAC_HANDLER(nmacchw, 0x0E, 0x05);
5542 /* nmacchwo  - nmacchwo.  */
5543 GEN_MAC_HANDLER(nmacchwo, 0x0E, 0x15);
5544 /* nmacchws  - nmacchws.  */
5545 GEN_MAC_HANDLER(nmacchws, 0x0E, 0x07);
5546 /* nmacchwso - nmacchwso. */
5547 GEN_MAC_HANDLER(nmacchwso, 0x0E, 0x17);
5548 /* nmachhw   - nmachhw.   */
5549 GEN_MAC_HANDLER(nmachhw, 0x0E, 0x01);
5550 /* nmachhwo  - nmachhwo.  */
5551 GEN_MAC_HANDLER(nmachhwo, 0x0E, 0x11);
5552 /* nmachhws  - nmachhws.  */
5553 GEN_MAC_HANDLER(nmachhws, 0x0E, 0x03);
5554 /* nmachhwso - nmachhwso. */
5555 GEN_MAC_HANDLER(nmachhwso, 0x0E, 0x13);
5556 /* nmaclhw   - nmaclhw.   */
5557 GEN_MAC_HANDLER(nmaclhw, 0x0E, 0x0D);
5558 /* nmaclhwo  - nmaclhwo.  */
5559 GEN_MAC_HANDLER(nmaclhwo, 0x0E, 0x1D);
5560 /* nmaclhws  - nmaclhws.  */
5561 GEN_MAC_HANDLER(nmaclhws, 0x0E, 0x0F);
5562 /* nmaclhwso - nmaclhwso. */
5563 GEN_MAC_HANDLER(nmaclhwso, 0x0E, 0x1F);
5564 
5565 /* mulchw  - mulchw.  */
5566 GEN_MAC_HANDLER(mulchw, 0x08, 0x05);
5567 /* mulchwu - mulchwu. */
5568 GEN_MAC_HANDLER(mulchwu, 0x08, 0x04);
5569 /* mulhhw  - mulhhw.  */
5570 GEN_MAC_HANDLER(mulhhw, 0x08, 0x01);
5571 /* mulhhwu - mulhhwu. */
5572 GEN_MAC_HANDLER(mulhhwu, 0x08, 0x00);
5573 /* mullhw  - mullhw.  */
5574 GEN_MAC_HANDLER(mullhw, 0x08, 0x0D);
5575 /* mullhwu - mullhwu. */
5576 GEN_MAC_HANDLER(mullhwu, 0x08, 0x0C);
5577 
5578 /* mfdcr */
5579 static void gen_mfdcr(DisasContext *ctx)
5580 {
5581 #if defined(CONFIG_USER_ONLY)
5582     GEN_PRIV;
5583 #else
5584     TCGv dcrn;
5585 
5586     CHK_SV;
5587     dcrn = tcg_const_tl(SPR(ctx->opcode));
5588     gen_helper_load_dcr(cpu_gpr[rD(ctx->opcode)], cpu_env, dcrn);
5589     tcg_temp_free(dcrn);
5590 #endif /* defined(CONFIG_USER_ONLY) */
5591 }
5592 
5593 /* mtdcr */
5594 static void gen_mtdcr(DisasContext *ctx)
5595 {
5596 #if defined(CONFIG_USER_ONLY)
5597     GEN_PRIV;
5598 #else
5599     TCGv dcrn;
5600 
5601     CHK_SV;
5602     dcrn = tcg_const_tl(SPR(ctx->opcode));
5603     gen_helper_store_dcr(cpu_env, dcrn, cpu_gpr[rS(ctx->opcode)]);
5604     tcg_temp_free(dcrn);
5605 #endif /* defined(CONFIG_USER_ONLY) */
5606 }
5607 
5608 /* mfdcrx */
5609 /* XXX: not implemented on 440 ? */
5610 static void gen_mfdcrx(DisasContext *ctx)
5611 {
5612 #if defined(CONFIG_USER_ONLY)
5613     GEN_PRIV;
5614 #else
5615     CHK_SV;
5616     gen_helper_load_dcr(cpu_gpr[rD(ctx->opcode)], cpu_env,
5617                         cpu_gpr[rA(ctx->opcode)]);
5618     /* Note: Rc update flag set leads to undefined state of Rc0 */
5619 #endif /* defined(CONFIG_USER_ONLY) */
5620 }
5621 
5622 /* mtdcrx */
5623 /* XXX: not implemented on 440 ? */
5624 static void gen_mtdcrx(DisasContext *ctx)
5625 {
5626 #if defined(CONFIG_USER_ONLY)
5627     GEN_PRIV;
5628 #else
5629     CHK_SV;
5630     gen_helper_store_dcr(cpu_env, cpu_gpr[rA(ctx->opcode)],
5631                          cpu_gpr[rS(ctx->opcode)]);
5632     /* Note: Rc update flag set leads to undefined state of Rc0 */
5633 #endif /* defined(CONFIG_USER_ONLY) */
5634 }
5635 
5636 /* mfdcrux (PPC 460) : user-mode access to DCR */
5637 static void gen_mfdcrux(DisasContext *ctx)
5638 {
5639     gen_helper_load_dcr(cpu_gpr[rD(ctx->opcode)], cpu_env,
5640                         cpu_gpr[rA(ctx->opcode)]);
5641     /* Note: Rc update flag set leads to undefined state of Rc0 */
5642 }
5643 
5644 /* mtdcrux (PPC 460) : user-mode access to DCR */
5645 static void gen_mtdcrux(DisasContext *ctx)
5646 {
5647     gen_helper_store_dcr(cpu_env, cpu_gpr[rA(ctx->opcode)],
5648                          cpu_gpr[rS(ctx->opcode)]);
5649     /* Note: Rc update flag set leads to undefined state of Rc0 */
5650 }
5651 
5652 /* dccci */
5653 static void gen_dccci(DisasContext *ctx)
5654 {
5655     CHK_SV;
5656     /* interpreted as no-op */
5657 }
5658 
5659 /* dcread */
5660 static void gen_dcread(DisasContext *ctx)
5661 {
5662 #if defined(CONFIG_USER_ONLY)
5663     GEN_PRIV;
5664 #else
5665     TCGv EA, val;
5666 
5667     CHK_SV;
5668     gen_set_access_type(ctx, ACCESS_CACHE);
5669     EA = tcg_temp_new();
5670     gen_addr_reg_index(ctx, EA);
5671     val = tcg_temp_new();
5672     gen_qemu_ld32u(ctx, val, EA);
5673     tcg_temp_free(val);
5674     tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], EA);
5675     tcg_temp_free(EA);
5676 #endif /* defined(CONFIG_USER_ONLY) */
5677 }
5678 
5679 /* icbt */
5680 static void gen_icbt_40x(DisasContext *ctx)
5681 {
5682     /* interpreted as no-op */
5683     /* XXX: specification say this is treated as a load by the MMU
5684      *      but does not generate any exception
5685      */
5686 }
5687 
5688 /* iccci */
5689 static void gen_iccci(DisasContext *ctx)
5690 {
5691     CHK_SV;
5692     /* interpreted as no-op */
5693 }
5694 
5695 /* icread */
5696 static void gen_icread(DisasContext *ctx)
5697 {
5698     CHK_SV;
5699     /* interpreted as no-op */
5700 }
5701 
5702 /* rfci (supervisor only) */
5703 static void gen_rfci_40x(DisasContext *ctx)
5704 {
5705 #if defined(CONFIG_USER_ONLY)
5706     GEN_PRIV;
5707 #else
5708     CHK_SV;
5709     /* Restore CPU state */
5710     gen_helper_40x_rfci(cpu_env);
5711     gen_sync_exception(ctx);
5712 #endif /* defined(CONFIG_USER_ONLY) */
5713 }
5714 
5715 static void gen_rfci(DisasContext *ctx)
5716 {
5717 #if defined(CONFIG_USER_ONLY)
5718     GEN_PRIV;
5719 #else
5720     CHK_SV;
5721     /* Restore CPU state */
5722     gen_helper_rfci(cpu_env);
5723     gen_sync_exception(ctx);
5724 #endif /* defined(CONFIG_USER_ONLY) */
5725 }
5726 
5727 /* BookE specific */
5728 
5729 /* XXX: not implemented on 440 ? */
5730 static void gen_rfdi(DisasContext *ctx)
5731 {
5732 #if defined(CONFIG_USER_ONLY)
5733     GEN_PRIV;
5734 #else
5735     CHK_SV;
5736     /* Restore CPU state */
5737     gen_helper_rfdi(cpu_env);
5738     gen_sync_exception(ctx);
5739 #endif /* defined(CONFIG_USER_ONLY) */
5740 }
5741 
5742 /* XXX: not implemented on 440 ? */
5743 static void gen_rfmci(DisasContext *ctx)
5744 {
5745 #if defined(CONFIG_USER_ONLY)
5746     GEN_PRIV;
5747 #else
5748     CHK_SV;
5749     /* Restore CPU state */
5750     gen_helper_rfmci(cpu_env);
5751     gen_sync_exception(ctx);
5752 #endif /* defined(CONFIG_USER_ONLY) */
5753 }
5754 
5755 /* TLB management - PowerPC 405 implementation */
5756 
5757 /* tlbre */
5758 static void gen_tlbre_40x(DisasContext *ctx)
5759 {
5760 #if defined(CONFIG_USER_ONLY)
5761     GEN_PRIV;
5762 #else
5763     CHK_SV;
5764     switch (rB(ctx->opcode)) {
5765     case 0:
5766         gen_helper_4xx_tlbre_hi(cpu_gpr[rD(ctx->opcode)], cpu_env,
5767                                 cpu_gpr[rA(ctx->opcode)]);
5768         break;
5769     case 1:
5770         gen_helper_4xx_tlbre_lo(cpu_gpr[rD(ctx->opcode)], cpu_env,
5771                                 cpu_gpr[rA(ctx->opcode)]);
5772         break;
5773     default:
5774         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
5775         break;
5776     }
5777 #endif /* defined(CONFIG_USER_ONLY) */
5778 }
5779 
5780 /* tlbsx - tlbsx. */
5781 static void gen_tlbsx_40x(DisasContext *ctx)
5782 {
5783 #if defined(CONFIG_USER_ONLY)
5784     GEN_PRIV;
5785 #else
5786     TCGv t0;
5787 
5788     CHK_SV;
5789     t0 = tcg_temp_new();
5790     gen_addr_reg_index(ctx, t0);
5791     gen_helper_4xx_tlbsx(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
5792     tcg_temp_free(t0);
5793     if (Rc(ctx->opcode)) {
5794         TCGLabel *l1 = gen_new_label();
5795         tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so);
5796         tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[rD(ctx->opcode)], -1, l1);
5797         tcg_gen_ori_i32(cpu_crf[0], cpu_crf[0], 0x02);
5798         gen_set_label(l1);
5799     }
5800 #endif /* defined(CONFIG_USER_ONLY) */
5801 }
5802 
5803 /* tlbwe */
5804 static void gen_tlbwe_40x(DisasContext *ctx)
5805 {
5806 #if defined(CONFIG_USER_ONLY)
5807     GEN_PRIV;
5808 #else
5809     CHK_SV;
5810 
5811     switch (rB(ctx->opcode)) {
5812     case 0:
5813         gen_helper_4xx_tlbwe_hi(cpu_env, cpu_gpr[rA(ctx->opcode)],
5814                                 cpu_gpr[rS(ctx->opcode)]);
5815         break;
5816     case 1:
5817         gen_helper_4xx_tlbwe_lo(cpu_env, cpu_gpr[rA(ctx->opcode)],
5818                                 cpu_gpr[rS(ctx->opcode)]);
5819         break;
5820     default:
5821         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
5822         break;
5823     }
5824 #endif /* defined(CONFIG_USER_ONLY) */
5825 }
5826 
5827 /* TLB management - PowerPC 440 implementation */
5828 
5829 /* tlbre */
5830 static void gen_tlbre_440(DisasContext *ctx)
5831 {
5832 #if defined(CONFIG_USER_ONLY)
5833     GEN_PRIV;
5834 #else
5835     CHK_SV;
5836 
5837     switch (rB(ctx->opcode)) {
5838     case 0:
5839     case 1:
5840     case 2:
5841         {
5842             TCGv_i32 t0 = tcg_const_i32(rB(ctx->opcode));
5843             gen_helper_440_tlbre(cpu_gpr[rD(ctx->opcode)], cpu_env,
5844                                  t0, cpu_gpr[rA(ctx->opcode)]);
5845             tcg_temp_free_i32(t0);
5846         }
5847         break;
5848     default:
5849         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
5850         break;
5851     }
5852 #endif /* defined(CONFIG_USER_ONLY) */
5853 }
5854 
5855 /* tlbsx - tlbsx. */
5856 static void gen_tlbsx_440(DisasContext *ctx)
5857 {
5858 #if defined(CONFIG_USER_ONLY)
5859     GEN_PRIV;
5860 #else
5861     TCGv t0;
5862 
5863     CHK_SV;
5864     t0 = tcg_temp_new();
5865     gen_addr_reg_index(ctx, t0);
5866     gen_helper_440_tlbsx(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
5867     tcg_temp_free(t0);
5868     if (Rc(ctx->opcode)) {
5869         TCGLabel *l1 = gen_new_label();
5870         tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so);
5871         tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[rD(ctx->opcode)], -1, l1);
5872         tcg_gen_ori_i32(cpu_crf[0], cpu_crf[0], 0x02);
5873         gen_set_label(l1);
5874     }
5875 #endif /* defined(CONFIG_USER_ONLY) */
5876 }
5877 
5878 /* tlbwe */
5879 static void gen_tlbwe_440(DisasContext *ctx)
5880 {
5881 #if defined(CONFIG_USER_ONLY)
5882     GEN_PRIV;
5883 #else
5884     CHK_SV;
5885     switch (rB(ctx->opcode)) {
5886     case 0:
5887     case 1:
5888     case 2:
5889         {
5890             TCGv_i32 t0 = tcg_const_i32(rB(ctx->opcode));
5891             gen_helper_440_tlbwe(cpu_env, t0, cpu_gpr[rA(ctx->opcode)],
5892                                  cpu_gpr[rS(ctx->opcode)]);
5893             tcg_temp_free_i32(t0);
5894         }
5895         break;
5896     default:
5897         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
5898         break;
5899     }
5900 #endif /* defined(CONFIG_USER_ONLY) */
5901 }
5902 
5903 /* TLB management - PowerPC BookE 2.06 implementation */
5904 
5905 /* tlbre */
5906 static void gen_tlbre_booke206(DisasContext *ctx)
5907 {
5908  #if defined(CONFIG_USER_ONLY)
5909     GEN_PRIV;
5910 #else
5911    CHK_SV;
5912     gen_helper_booke206_tlbre(cpu_env);
5913 #endif /* defined(CONFIG_USER_ONLY) */
5914 }
5915 
5916 /* tlbsx - tlbsx. */
5917 static void gen_tlbsx_booke206(DisasContext *ctx)
5918 {
5919 #if defined(CONFIG_USER_ONLY)
5920     GEN_PRIV;
5921 #else
5922     TCGv t0;
5923 
5924     CHK_SV;
5925     if (rA(ctx->opcode)) {
5926         t0 = tcg_temp_new();
5927         tcg_gen_mov_tl(t0, cpu_gpr[rD(ctx->opcode)]);
5928     } else {
5929         t0 = tcg_const_tl(0);
5930     }
5931 
5932     tcg_gen_add_tl(t0, t0, cpu_gpr[rB(ctx->opcode)]);
5933     gen_helper_booke206_tlbsx(cpu_env, t0);
5934     tcg_temp_free(t0);
5935 #endif /* defined(CONFIG_USER_ONLY) */
5936 }
5937 
5938 /* tlbwe */
5939 static void gen_tlbwe_booke206(DisasContext *ctx)
5940 {
5941 #if defined(CONFIG_USER_ONLY)
5942     GEN_PRIV;
5943 #else
5944     CHK_SV;
5945     gen_helper_booke206_tlbwe(cpu_env);
5946 #endif /* defined(CONFIG_USER_ONLY) */
5947 }
5948 
5949 static void gen_tlbivax_booke206(DisasContext *ctx)
5950 {
5951 #if defined(CONFIG_USER_ONLY)
5952     GEN_PRIV;
5953 #else
5954     TCGv t0;
5955 
5956     CHK_SV;
5957     t0 = tcg_temp_new();
5958     gen_addr_reg_index(ctx, t0);
5959     gen_helper_booke206_tlbivax(cpu_env, t0);
5960     tcg_temp_free(t0);
5961 #endif /* defined(CONFIG_USER_ONLY) */
5962 }
5963 
5964 static void gen_tlbilx_booke206(DisasContext *ctx)
5965 {
5966 #if defined(CONFIG_USER_ONLY)
5967     GEN_PRIV;
5968 #else
5969     TCGv t0;
5970 
5971     CHK_SV;
5972     t0 = tcg_temp_new();
5973     gen_addr_reg_index(ctx, t0);
5974 
5975     switch((ctx->opcode >> 21) & 0x3) {
5976     case 0:
5977         gen_helper_booke206_tlbilx0(cpu_env, t0);
5978         break;
5979     case 1:
5980         gen_helper_booke206_tlbilx1(cpu_env, t0);
5981         break;
5982     case 3:
5983         gen_helper_booke206_tlbilx3(cpu_env, t0);
5984         break;
5985     default:
5986         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
5987         break;
5988     }
5989 
5990     tcg_temp_free(t0);
5991 #endif /* defined(CONFIG_USER_ONLY) */
5992 }
5993 
5994 
5995 /* wrtee */
5996 static void gen_wrtee(DisasContext *ctx)
5997 {
5998 #if defined(CONFIG_USER_ONLY)
5999     GEN_PRIV;
6000 #else
6001     TCGv t0;
6002 
6003     CHK_SV;
6004     t0 = tcg_temp_new();
6005     tcg_gen_andi_tl(t0, cpu_gpr[rD(ctx->opcode)], (1 << MSR_EE));
6006     tcg_gen_andi_tl(cpu_msr, cpu_msr, ~(1 << MSR_EE));
6007     tcg_gen_or_tl(cpu_msr, cpu_msr, t0);
6008     tcg_temp_free(t0);
6009     /* Stop translation to have a chance to raise an exception
6010      * if we just set msr_ee to 1
6011      */
6012     gen_stop_exception(ctx);
6013 #endif /* defined(CONFIG_USER_ONLY) */
6014 }
6015 
6016 /* wrteei */
6017 static void gen_wrteei(DisasContext *ctx)
6018 {
6019 #if defined(CONFIG_USER_ONLY)
6020     GEN_PRIV;
6021 #else
6022     CHK_SV;
6023     if (ctx->opcode & 0x00008000) {
6024         tcg_gen_ori_tl(cpu_msr, cpu_msr, (1 << MSR_EE));
6025         /* Stop translation to have a chance to raise an exception */
6026         gen_stop_exception(ctx);
6027     } else {
6028         tcg_gen_andi_tl(cpu_msr, cpu_msr, ~(1 << MSR_EE));
6029     }
6030 #endif /* defined(CONFIG_USER_ONLY) */
6031 }
6032 
6033 /* PowerPC 440 specific instructions */
6034 
6035 /* dlmzb */
6036 static void gen_dlmzb(DisasContext *ctx)
6037 {
6038     TCGv_i32 t0 = tcg_const_i32(Rc(ctx->opcode));
6039     gen_helper_dlmzb(cpu_gpr[rA(ctx->opcode)], cpu_env,
6040                      cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], t0);
6041     tcg_temp_free_i32(t0);
6042 }
6043 
6044 /* mbar replaces eieio on 440 */
6045 static void gen_mbar(DisasContext *ctx)
6046 {
6047     /* interpreted as no-op */
6048 }
6049 
6050 /* msync replaces sync on 440 */
6051 static void gen_msync_4xx(DisasContext *ctx)
6052 {
6053     /* interpreted as no-op */
6054 }
6055 
6056 /* icbt */
6057 static void gen_icbt_440(DisasContext *ctx)
6058 {
6059     /* interpreted as no-op */
6060     /* XXX: specification say this is treated as a load by the MMU
6061      *      but does not generate any exception
6062      */
6063 }
6064 
6065 /* Embedded.Processor Control */
6066 
6067 static void gen_msgclr(DisasContext *ctx)
6068 {
6069 #if defined(CONFIG_USER_ONLY)
6070     GEN_PRIV;
6071 #else
6072     CHK_SV;
6073     gen_helper_msgclr(cpu_env, cpu_gpr[rB(ctx->opcode)]);
6074 #endif /* defined(CONFIG_USER_ONLY) */
6075 }
6076 
6077 static void gen_msgsnd(DisasContext *ctx)
6078 {
6079 #if defined(CONFIG_USER_ONLY)
6080     GEN_PRIV;
6081 #else
6082     CHK_SV;
6083     gen_helper_msgsnd(cpu_gpr[rB(ctx->opcode)]);
6084 #endif /* defined(CONFIG_USER_ONLY) */
6085 }
6086 
6087 
6088 #if defined(TARGET_PPC64)
6089 static void gen_maddld(DisasContext *ctx)
6090 {
6091     TCGv_i64 t1 = tcg_temp_new_i64();
6092 
6093     tcg_gen_mul_i64(t1, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
6094     tcg_gen_add_i64(cpu_gpr[rD(ctx->opcode)], t1, cpu_gpr[rC(ctx->opcode)]);
6095     tcg_temp_free_i64(t1);
6096 }
6097 
6098 /* maddhd maddhdu */
6099 static void gen_maddhd_maddhdu(DisasContext *ctx)
6100 {
6101     TCGv_i64 lo = tcg_temp_new_i64();
6102     TCGv_i64 hi = tcg_temp_new_i64();
6103     TCGv_i64 t1 = tcg_temp_new_i64();
6104 
6105     if (Rc(ctx->opcode)) {
6106         tcg_gen_mulu2_i64(lo, hi, cpu_gpr[rA(ctx->opcode)],
6107                           cpu_gpr[rB(ctx->opcode)]);
6108         tcg_gen_movi_i64(t1, 0);
6109     } else {
6110         tcg_gen_muls2_i64(lo, hi, cpu_gpr[rA(ctx->opcode)],
6111                           cpu_gpr[rB(ctx->opcode)]);
6112         tcg_gen_sari_i64(t1, cpu_gpr[rC(ctx->opcode)], 63);
6113     }
6114     tcg_gen_add2_i64(t1, cpu_gpr[rD(ctx->opcode)], lo, hi,
6115                      cpu_gpr[rC(ctx->opcode)], t1);
6116     tcg_temp_free_i64(lo);
6117     tcg_temp_free_i64(hi);
6118     tcg_temp_free_i64(t1);
6119 }
6120 #endif /* defined(TARGET_PPC64) */
6121 
6122 static void gen_tbegin(DisasContext *ctx)
6123 {
6124     if (unlikely(!ctx->tm_enabled)) {
6125         gen_exception_err(ctx, POWERPC_EXCP_FU, FSCR_IC_TM);
6126         return;
6127     }
6128     gen_helper_tbegin(cpu_env);
6129 }
6130 
6131 #define GEN_TM_NOOP(name)                                      \
6132 static inline void gen_##name(DisasContext *ctx)               \
6133 {                                                              \
6134     if (unlikely(!ctx->tm_enabled)) {                          \
6135         gen_exception_err(ctx, POWERPC_EXCP_FU, FSCR_IC_TM);   \
6136         return;                                                \
6137     }                                                          \
6138     /* Because tbegin always fails in QEMU, these user         \
6139      * space instructions all have a simple implementation:    \
6140      *                                                         \
6141      *     CR[0] = 0b0 || MSR[TS] || 0b0                       \
6142      *           = 0b0 || 0b00    || 0b0                       \
6143      */                                                        \
6144     tcg_gen_movi_i32(cpu_crf[0], 0);                           \
6145 }
6146 
6147 GEN_TM_NOOP(tend);
6148 GEN_TM_NOOP(tabort);
6149 GEN_TM_NOOP(tabortwc);
6150 GEN_TM_NOOP(tabortwci);
6151 GEN_TM_NOOP(tabortdc);
6152 GEN_TM_NOOP(tabortdci);
6153 GEN_TM_NOOP(tsr);
6154 static inline void gen_cp_abort(DisasContext *ctx)
6155 {
6156     // Do Nothing
6157 }
6158 
6159 #define GEN_CP_PASTE_NOOP(name)                           \
6160 static inline void gen_##name(DisasContext *ctx)          \
6161 {                                                         \
6162     /* Generate invalid exception until                   \
6163      * we have an implementation of the copy              \
6164      * paste facility                                     \
6165      */                                                   \
6166     gen_invalid(ctx);                                     \
6167 }
6168 
6169 GEN_CP_PASTE_NOOP(copy)
6170 GEN_CP_PASTE_NOOP(paste)
6171 
6172 static void gen_tcheck(DisasContext *ctx)
6173 {
6174     if (unlikely(!ctx->tm_enabled)) {
6175         gen_exception_err(ctx, POWERPC_EXCP_FU, FSCR_IC_TM);
6176         return;
6177     }
6178     /* Because tbegin always fails, the tcheck implementation
6179      * is simple:
6180      *
6181      * CR[CRF] = TDOOMED || MSR[TS] || 0b0
6182      *         = 0b1 || 0b00 || 0b0
6183      */
6184     tcg_gen_movi_i32(cpu_crf[crfD(ctx->opcode)], 0x8);
6185 }
6186 
6187 #if defined(CONFIG_USER_ONLY)
6188 #define GEN_TM_PRIV_NOOP(name)                                 \
6189 static inline void gen_##name(DisasContext *ctx)               \
6190 {                                                              \
6191     gen_priv_exception(ctx, POWERPC_EXCP_PRIV_OPC);           \
6192 }
6193 
6194 #else
6195 
6196 #define GEN_TM_PRIV_NOOP(name)                                 \
6197 static inline void gen_##name(DisasContext *ctx)               \
6198 {                                                              \
6199     CHK_SV;                                                    \
6200     if (unlikely(!ctx->tm_enabled)) {                          \
6201         gen_exception_err(ctx, POWERPC_EXCP_FU, FSCR_IC_TM);   \
6202         return;                                                \
6203     }                                                          \
6204     /* Because tbegin always fails, the implementation is      \
6205      * simple:                                                 \
6206      *                                                         \
6207      *   CR[0] = 0b0 || MSR[TS] || 0b0                         \
6208      *         = 0b0 || 0b00 | 0b0                             \
6209      */                                                        \
6210     tcg_gen_movi_i32(cpu_crf[0], 0);                           \
6211 }
6212 
6213 #endif
6214 
6215 GEN_TM_PRIV_NOOP(treclaim);
6216 GEN_TM_PRIV_NOOP(trechkpt);
6217 
6218 #include "translate/fp-impl.inc.c"
6219 
6220 #include "translate/vmx-impl.inc.c"
6221 
6222 #include "translate/vsx-impl.inc.c"
6223 
6224 #include "translate/dfp-impl.inc.c"
6225 
6226 #include "translate/spe-impl.inc.c"
6227 
6228 /* Handles lfdp, lxsd, lxssp */
6229 static void gen_dform39(DisasContext *ctx)
6230 {
6231     switch (ctx->opcode & 0x3) {
6232     case 0: /* lfdp */
6233         if (ctx->insns_flags2 & PPC2_ISA205) {
6234             return gen_lfdp(ctx);
6235         }
6236         break;
6237     case 2: /* lxsd */
6238         if (ctx->insns_flags2 & PPC2_ISA300) {
6239             return gen_lxsd(ctx);
6240         }
6241         break;
6242     case 3: /* lxssp */
6243         if (ctx->insns_flags2 & PPC2_ISA300) {
6244             return gen_lxssp(ctx);
6245         }
6246         break;
6247     }
6248     return gen_invalid(ctx);
6249 }
6250 
6251 /* handles stfdp, lxv, stxsd, stxssp lxvx */
6252 static void gen_dform3D(DisasContext *ctx)
6253 {
6254     if ((ctx->opcode & 3) == 1) { /* DQ-FORM */
6255         switch (ctx->opcode & 0x7) {
6256         case 1: /* lxv */
6257             if (ctx->insns_flags2 & PPC2_ISA300) {
6258                 return gen_lxv(ctx);
6259             }
6260             break;
6261         case 5: /* stxv */
6262             if (ctx->insns_flags2 & PPC2_ISA300) {
6263                 return gen_stxv(ctx);
6264             }
6265             break;
6266         }
6267     } else { /* DS-FORM */
6268         switch (ctx->opcode & 0x3) {
6269         case 0: /* stfdp */
6270             if (ctx->insns_flags2 & PPC2_ISA205) {
6271                 return gen_stfdp(ctx);
6272             }
6273             break;
6274         case 2: /* stxsd */
6275             if (ctx->insns_flags2 & PPC2_ISA300) {
6276                 return gen_stxsd(ctx);
6277             }
6278             break;
6279         case 3: /* stxssp */
6280             if (ctx->insns_flags2 & PPC2_ISA300) {
6281                 return gen_stxssp(ctx);
6282             }
6283             break;
6284         }
6285     }
6286     return gen_invalid(ctx);
6287 }
6288 
6289 static opcode_t opcodes[] = {
6290 GEN_HANDLER(invalid, 0x00, 0x00, 0x00, 0xFFFFFFFF, PPC_NONE),
6291 GEN_HANDLER(cmp, 0x1F, 0x00, 0x00, 0x00400000, PPC_INTEGER),
6292 GEN_HANDLER(cmpi, 0x0B, 0xFF, 0xFF, 0x00400000, PPC_INTEGER),
6293 GEN_HANDLER(cmpl, 0x1F, 0x00, 0x01, 0x00400001, PPC_INTEGER),
6294 GEN_HANDLER(cmpli, 0x0A, 0xFF, 0xFF, 0x00400000, PPC_INTEGER),
6295 #if defined(TARGET_PPC64)
6296 GEN_HANDLER_E(cmpeqb, 0x1F, 0x00, 0x07, 0x00600000, PPC_NONE, PPC2_ISA300),
6297 #endif
6298 GEN_HANDLER_E(cmpb, 0x1F, 0x1C, 0x0F, 0x00000001, PPC_NONE, PPC2_ISA205),
6299 GEN_HANDLER_E(cmprb, 0x1F, 0x00, 0x06, 0x00400001, PPC_NONE, PPC2_ISA300),
6300 GEN_HANDLER(isel, 0x1F, 0x0F, 0xFF, 0x00000001, PPC_ISEL),
6301 GEN_HANDLER(addi, 0x0E, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6302 GEN_HANDLER(addic, 0x0C, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6303 GEN_HANDLER2(addic_, "addic.", 0x0D, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6304 GEN_HANDLER(addis, 0x0F, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6305 GEN_HANDLER_E(addpcis, 0x13, 0x2, 0xFF, 0x00000000, PPC_NONE, PPC2_ISA300),
6306 GEN_HANDLER(mulhw, 0x1F, 0x0B, 0x02, 0x00000400, PPC_INTEGER),
6307 GEN_HANDLER(mulhwu, 0x1F, 0x0B, 0x00, 0x00000400, PPC_INTEGER),
6308 GEN_HANDLER(mullw, 0x1F, 0x0B, 0x07, 0x00000000, PPC_INTEGER),
6309 GEN_HANDLER(mullwo, 0x1F, 0x0B, 0x17, 0x00000000, PPC_INTEGER),
6310 GEN_HANDLER(mulli, 0x07, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6311 #if defined(TARGET_PPC64)
6312 GEN_HANDLER(mulld, 0x1F, 0x09, 0x07, 0x00000000, PPC_64B),
6313 #endif
6314 GEN_HANDLER(neg, 0x1F, 0x08, 0x03, 0x0000F800, PPC_INTEGER),
6315 GEN_HANDLER(nego, 0x1F, 0x08, 0x13, 0x0000F800, PPC_INTEGER),
6316 GEN_HANDLER(subfic, 0x08, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6317 GEN_HANDLER2(andi_, "andi.", 0x1C, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6318 GEN_HANDLER2(andis_, "andis.", 0x1D, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6319 GEN_HANDLER(cntlzw, 0x1F, 0x1A, 0x00, 0x00000000, PPC_INTEGER),
6320 GEN_HANDLER_E(cnttzw, 0x1F, 0x1A, 0x10, 0x00000000, PPC_NONE, PPC2_ISA300),
6321 GEN_HANDLER_E(copy, 0x1F, 0x06, 0x18, 0x03C00001, PPC_NONE, PPC2_ISA300),
6322 GEN_HANDLER_E(cp_abort, 0x1F, 0x06, 0x1A, 0x03FFF801, PPC_NONE, PPC2_ISA300),
6323 GEN_HANDLER_E(paste, 0x1F, 0x06, 0x1C, 0x03C00000, PPC_NONE, PPC2_ISA300),
6324 GEN_HANDLER(or, 0x1F, 0x1C, 0x0D, 0x00000000, PPC_INTEGER),
6325 GEN_HANDLER(xor, 0x1F, 0x1C, 0x09, 0x00000000, PPC_INTEGER),
6326 GEN_HANDLER(ori, 0x18, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6327 GEN_HANDLER(oris, 0x19, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6328 GEN_HANDLER(xori, 0x1A, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6329 GEN_HANDLER(xoris, 0x1B, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6330 GEN_HANDLER(popcntb, 0x1F, 0x1A, 0x03, 0x0000F801, PPC_POPCNTB),
6331 GEN_HANDLER(popcntw, 0x1F, 0x1A, 0x0b, 0x0000F801, PPC_POPCNTWD),
6332 GEN_HANDLER_E(prtyw, 0x1F, 0x1A, 0x04, 0x0000F801, PPC_NONE, PPC2_ISA205),
6333 #if defined(TARGET_PPC64)
6334 GEN_HANDLER(popcntd, 0x1F, 0x1A, 0x0F, 0x0000F801, PPC_POPCNTWD),
6335 GEN_HANDLER(cntlzd, 0x1F, 0x1A, 0x01, 0x00000000, PPC_64B),
6336 GEN_HANDLER_E(cnttzd, 0x1F, 0x1A, 0x11, 0x00000000, PPC_NONE, PPC2_ISA300),
6337 GEN_HANDLER_E(darn, 0x1F, 0x13, 0x17, 0x001CF801, PPC_NONE, PPC2_ISA300),
6338 GEN_HANDLER_E(prtyd, 0x1F, 0x1A, 0x05, 0x0000F801, PPC_NONE, PPC2_ISA205),
6339 GEN_HANDLER_E(bpermd, 0x1F, 0x1C, 0x07, 0x00000001, PPC_NONE, PPC2_PERM_ISA206),
6340 #endif
6341 GEN_HANDLER(rlwimi, 0x14, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6342 GEN_HANDLER(rlwinm, 0x15, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6343 GEN_HANDLER(rlwnm, 0x17, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6344 GEN_HANDLER(slw, 0x1F, 0x18, 0x00, 0x00000000, PPC_INTEGER),
6345 GEN_HANDLER(sraw, 0x1F, 0x18, 0x18, 0x00000000, PPC_INTEGER),
6346 GEN_HANDLER(srawi, 0x1F, 0x18, 0x19, 0x00000000, PPC_INTEGER),
6347 GEN_HANDLER(srw, 0x1F, 0x18, 0x10, 0x00000000, PPC_INTEGER),
6348 #if defined(TARGET_PPC64)
6349 GEN_HANDLER(sld, 0x1F, 0x1B, 0x00, 0x00000000, PPC_64B),
6350 GEN_HANDLER(srad, 0x1F, 0x1A, 0x18, 0x00000000, PPC_64B),
6351 GEN_HANDLER2(sradi0, "sradi", 0x1F, 0x1A, 0x19, 0x00000000, PPC_64B),
6352 GEN_HANDLER2(sradi1, "sradi", 0x1F, 0x1B, 0x19, 0x00000000, PPC_64B),
6353 GEN_HANDLER(srd, 0x1F, 0x1B, 0x10, 0x00000000, PPC_64B),
6354 GEN_HANDLER2_E(extswsli0, "extswsli", 0x1F, 0x1A, 0x1B, 0x00000000,
6355                PPC_NONE, PPC2_ISA300),
6356 GEN_HANDLER2_E(extswsli1, "extswsli", 0x1F, 0x1B, 0x1B, 0x00000000,
6357                PPC_NONE, PPC2_ISA300),
6358 #endif
6359 #if defined(TARGET_PPC64)
6360 GEN_HANDLER(ld, 0x3A, 0xFF, 0xFF, 0x00000000, PPC_64B),
6361 GEN_HANDLER(lq, 0x38, 0xFF, 0xFF, 0x00000000, PPC_64BX),
6362 GEN_HANDLER(std, 0x3E, 0xFF, 0xFF, 0x00000000, PPC_64B),
6363 #endif
6364 /* handles lfdp, lxsd, lxssp */
6365 GEN_HANDLER_E(dform39, 0x39, 0xFF, 0xFF, 0x00000000, PPC_NONE, PPC2_ISA205),
6366 /* handles stfdp, lxv, stxsd, stxssp, stxv */
6367 GEN_HANDLER_E(dform3D, 0x3D, 0xFF, 0xFF, 0x00000000, PPC_NONE, PPC2_ISA205),
6368 GEN_HANDLER(lmw, 0x2E, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6369 GEN_HANDLER(stmw, 0x2F, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6370 GEN_HANDLER(lswi, 0x1F, 0x15, 0x12, 0x00000001, PPC_STRING),
6371 GEN_HANDLER(lswx, 0x1F, 0x15, 0x10, 0x00000001, PPC_STRING),
6372 GEN_HANDLER(stswi, 0x1F, 0x15, 0x16, 0x00000001, PPC_STRING),
6373 GEN_HANDLER(stswx, 0x1F, 0x15, 0x14, 0x00000001, PPC_STRING),
6374 GEN_HANDLER(eieio, 0x1F, 0x16, 0x1A, 0x03FFF801, PPC_MEM_EIEIO),
6375 GEN_HANDLER(isync, 0x13, 0x16, 0x04, 0x03FFF801, PPC_MEM),
6376 GEN_HANDLER_E(lbarx, 0x1F, 0x14, 0x01, 0, PPC_NONE, PPC2_ATOMIC_ISA206),
6377 GEN_HANDLER_E(lharx, 0x1F, 0x14, 0x03, 0, PPC_NONE, PPC2_ATOMIC_ISA206),
6378 GEN_HANDLER(lwarx, 0x1F, 0x14, 0x00, 0x00000000, PPC_RES),
6379 GEN_HANDLER_E(lwat, 0x1F, 0x06, 0x12, 0x00000001, PPC_NONE, PPC2_ISA300),
6380 GEN_HANDLER_E(stwat, 0x1F, 0x06, 0x16, 0x00000001, PPC_NONE, PPC2_ISA300),
6381 GEN_HANDLER_E(stbcx_, 0x1F, 0x16, 0x15, 0, PPC_NONE, PPC2_ATOMIC_ISA206),
6382 GEN_HANDLER_E(sthcx_, 0x1F, 0x16, 0x16, 0, PPC_NONE, PPC2_ATOMIC_ISA206),
6383 GEN_HANDLER2(stwcx_, "stwcx.", 0x1F, 0x16, 0x04, 0x00000000, PPC_RES),
6384 #if defined(TARGET_PPC64)
6385 GEN_HANDLER_E(ldat, 0x1F, 0x06, 0x13, 0x00000001, PPC_NONE, PPC2_ISA300),
6386 GEN_HANDLER_E(stdat, 0x1F, 0x06, 0x17, 0x00000001, PPC_NONE, PPC2_ISA300),
6387 GEN_HANDLER(ldarx, 0x1F, 0x14, 0x02, 0x00000000, PPC_64B),
6388 GEN_HANDLER_E(lqarx, 0x1F, 0x14, 0x08, 0, PPC_NONE, PPC2_LSQ_ISA207),
6389 GEN_HANDLER2(stdcx_, "stdcx.", 0x1F, 0x16, 0x06, 0x00000000, PPC_64B),
6390 GEN_HANDLER_E(stqcx_, 0x1F, 0x16, 0x05, 0, PPC_NONE, PPC2_LSQ_ISA207),
6391 #endif
6392 GEN_HANDLER(sync, 0x1F, 0x16, 0x12, 0x039FF801, PPC_MEM_SYNC),
6393 GEN_HANDLER(wait, 0x1F, 0x1E, 0x01, 0x03FFF801, PPC_WAIT),
6394 GEN_HANDLER_E(wait, 0x1F, 0x1E, 0x00, 0x039FF801, PPC_NONE, PPC2_ISA300),
6395 GEN_HANDLER(b, 0x12, 0xFF, 0xFF, 0x00000000, PPC_FLOW),
6396 GEN_HANDLER(bc, 0x10, 0xFF, 0xFF, 0x00000000, PPC_FLOW),
6397 GEN_HANDLER(bcctr, 0x13, 0x10, 0x10, 0x00000000, PPC_FLOW),
6398 GEN_HANDLER(bclr, 0x13, 0x10, 0x00, 0x00000000, PPC_FLOW),
6399 GEN_HANDLER_E(bctar, 0x13, 0x10, 0x11, 0x0000E000, PPC_NONE, PPC2_BCTAR_ISA207),
6400 GEN_HANDLER(mcrf, 0x13, 0x00, 0xFF, 0x00000001, PPC_INTEGER),
6401 GEN_HANDLER(rfi, 0x13, 0x12, 0x01, 0x03FF8001, PPC_FLOW),
6402 #if defined(TARGET_PPC64)
6403 GEN_HANDLER(rfid, 0x13, 0x12, 0x00, 0x03FF8001, PPC_64B),
6404 GEN_HANDLER_E(stop, 0x13, 0x12, 0x0b, 0x03FFF801, PPC_NONE, PPC2_ISA300),
6405 GEN_HANDLER_E(doze, 0x13, 0x12, 0x0c, 0x03FFF801, PPC_NONE, PPC2_PM_ISA206),
6406 GEN_HANDLER_E(nap, 0x13, 0x12, 0x0d, 0x03FFF801, PPC_NONE, PPC2_PM_ISA206),
6407 GEN_HANDLER_E(sleep, 0x13, 0x12, 0x0e, 0x03FFF801, PPC_NONE, PPC2_PM_ISA206),
6408 GEN_HANDLER_E(rvwinkle, 0x13, 0x12, 0x0f, 0x03FFF801, PPC_NONE, PPC2_PM_ISA206),
6409 GEN_HANDLER(hrfid, 0x13, 0x12, 0x08, 0x03FF8001, PPC_64H),
6410 #endif
6411 GEN_HANDLER(sc, 0x11, 0xFF, 0xFF, 0x03FFF01D, PPC_FLOW),
6412 GEN_HANDLER(tw, 0x1F, 0x04, 0x00, 0x00000001, PPC_FLOW),
6413 GEN_HANDLER(twi, 0x03, 0xFF, 0xFF, 0x00000000, PPC_FLOW),
6414 #if defined(TARGET_PPC64)
6415 GEN_HANDLER(td, 0x1F, 0x04, 0x02, 0x00000001, PPC_64B),
6416 GEN_HANDLER(tdi, 0x02, 0xFF, 0xFF, 0x00000000, PPC_64B),
6417 #endif
6418 GEN_HANDLER(mcrxr, 0x1F, 0x00, 0x10, 0x007FF801, PPC_MISC),
6419 GEN_HANDLER(mfcr, 0x1F, 0x13, 0x00, 0x00000801, PPC_MISC),
6420 GEN_HANDLER(mfmsr, 0x1F, 0x13, 0x02, 0x001FF801, PPC_MISC),
6421 GEN_HANDLER(mfspr, 0x1F, 0x13, 0x0A, 0x00000001, PPC_MISC),
6422 GEN_HANDLER(mftb, 0x1F, 0x13, 0x0B, 0x00000001, PPC_MFTB),
6423 GEN_HANDLER(mtcrf, 0x1F, 0x10, 0x04, 0x00000801, PPC_MISC),
6424 #if defined(TARGET_PPC64)
6425 GEN_HANDLER(mtmsrd, 0x1F, 0x12, 0x05, 0x001EF801, PPC_64B),
6426 GEN_HANDLER_E(setb, 0x1F, 0x00, 0x04, 0x0003F801, PPC_NONE, PPC2_ISA300),
6427 #endif
6428 GEN_HANDLER(mtmsr, 0x1F, 0x12, 0x04, 0x001EF801, PPC_MISC),
6429 GEN_HANDLER(mtspr, 0x1F, 0x13, 0x0E, 0x00000000, PPC_MISC),
6430 GEN_HANDLER(dcbf, 0x1F, 0x16, 0x02, 0x03C00001, PPC_CACHE),
6431 GEN_HANDLER(dcbi, 0x1F, 0x16, 0x0E, 0x03E00001, PPC_CACHE),
6432 GEN_HANDLER(dcbst, 0x1F, 0x16, 0x01, 0x03E00001, PPC_CACHE),
6433 GEN_HANDLER(dcbt, 0x1F, 0x16, 0x08, 0x00000001, PPC_CACHE),
6434 GEN_HANDLER(dcbtst, 0x1F, 0x16, 0x07, 0x00000001, PPC_CACHE),
6435 GEN_HANDLER_E(dcbtls, 0x1F, 0x06, 0x05, 0x02000001, PPC_BOOKE, PPC2_BOOKE206),
6436 GEN_HANDLER(dcbz, 0x1F, 0x16, 0x1F, 0x03C00001, PPC_CACHE_DCBZ),
6437 GEN_HANDLER(dst, 0x1F, 0x16, 0x0A, 0x01800001, PPC_ALTIVEC),
6438 GEN_HANDLER(dstst, 0x1F, 0x16, 0x0B, 0x02000001, PPC_ALTIVEC),
6439 GEN_HANDLER(dss, 0x1F, 0x16, 0x19, 0x019FF801, PPC_ALTIVEC),
6440 GEN_HANDLER(icbi, 0x1F, 0x16, 0x1E, 0x03E00001, PPC_CACHE_ICBI),
6441 GEN_HANDLER(dcba, 0x1F, 0x16, 0x17, 0x03E00001, PPC_CACHE_DCBA),
6442 GEN_HANDLER(mfsr, 0x1F, 0x13, 0x12, 0x0010F801, PPC_SEGMENT),
6443 GEN_HANDLER(mfsrin, 0x1F, 0x13, 0x14, 0x001F0001, PPC_SEGMENT),
6444 GEN_HANDLER(mtsr, 0x1F, 0x12, 0x06, 0x0010F801, PPC_SEGMENT),
6445 GEN_HANDLER(mtsrin, 0x1F, 0x12, 0x07, 0x001F0001, PPC_SEGMENT),
6446 #if defined(TARGET_PPC64)
6447 GEN_HANDLER2(mfsr_64b, "mfsr", 0x1F, 0x13, 0x12, 0x0010F801, PPC_SEGMENT_64B),
6448 GEN_HANDLER2(mfsrin_64b, "mfsrin", 0x1F, 0x13, 0x14, 0x001F0001,
6449              PPC_SEGMENT_64B),
6450 GEN_HANDLER2(mtsr_64b, "mtsr", 0x1F, 0x12, 0x06, 0x0010F801, PPC_SEGMENT_64B),
6451 GEN_HANDLER2(mtsrin_64b, "mtsrin", 0x1F, 0x12, 0x07, 0x001F0001,
6452              PPC_SEGMENT_64B),
6453 GEN_HANDLER2(slbmte, "slbmte", 0x1F, 0x12, 0x0C, 0x001F0001, PPC_SEGMENT_64B),
6454 GEN_HANDLER2(slbmfee, "slbmfee", 0x1F, 0x13, 0x1C, 0x001F0001, PPC_SEGMENT_64B),
6455 GEN_HANDLER2(slbmfev, "slbmfev", 0x1F, 0x13, 0x1A, 0x001F0001, PPC_SEGMENT_64B),
6456 GEN_HANDLER2(slbfee_, "slbfee.", 0x1F, 0x13, 0x1E, 0x001F0000, PPC_SEGMENT_64B),
6457 #endif
6458 GEN_HANDLER(tlbia, 0x1F, 0x12, 0x0B, 0x03FFFC01, PPC_MEM_TLBIA),
6459 /* XXX Those instructions will need to be handled differently for
6460  * different ISA versions */
6461 GEN_HANDLER(tlbiel, 0x1F, 0x12, 0x08, 0x001F0001, PPC_MEM_TLBIE),
6462 GEN_HANDLER(tlbie, 0x1F, 0x12, 0x09, 0x001F0001, PPC_MEM_TLBIE),
6463 GEN_HANDLER(tlbsync, 0x1F, 0x16, 0x11, 0x03FFF801, PPC_MEM_TLBSYNC),
6464 #if defined(TARGET_PPC64)
6465 GEN_HANDLER(slbia, 0x1F, 0x12, 0x0F, 0x031FFC01, PPC_SLBI),
6466 GEN_HANDLER(slbie, 0x1F, 0x12, 0x0D, 0x03FF0001, PPC_SLBI),
6467 GEN_HANDLER_E(slbieg, 0x1F, 0x12, 0x0E, 0x001F0001, PPC_NONE, PPC2_ISA300),
6468 GEN_HANDLER_E(slbsync, 0x1F, 0x12, 0x0A, 0x03FFF801, PPC_NONE, PPC2_ISA300),
6469 #endif
6470 GEN_HANDLER(eciwx, 0x1F, 0x16, 0x0D, 0x00000001, PPC_EXTERN),
6471 GEN_HANDLER(ecowx, 0x1F, 0x16, 0x09, 0x00000001, PPC_EXTERN),
6472 GEN_HANDLER(abs, 0x1F, 0x08, 0x0B, 0x0000F800, PPC_POWER_BR),
6473 GEN_HANDLER(abso, 0x1F, 0x08, 0x1B, 0x0000F800, PPC_POWER_BR),
6474 GEN_HANDLER(clcs, 0x1F, 0x10, 0x13, 0x0000F800, PPC_POWER_BR),
6475 GEN_HANDLER(div, 0x1F, 0x0B, 0x0A, 0x00000000, PPC_POWER_BR),
6476 GEN_HANDLER(divo, 0x1F, 0x0B, 0x1A, 0x00000000, PPC_POWER_BR),
6477 GEN_HANDLER(divs, 0x1F, 0x0B, 0x0B, 0x00000000, PPC_POWER_BR),
6478 GEN_HANDLER(divso, 0x1F, 0x0B, 0x1B, 0x00000000, PPC_POWER_BR),
6479 GEN_HANDLER(doz, 0x1F, 0x08, 0x08, 0x00000000, PPC_POWER_BR),
6480 GEN_HANDLER(dozo, 0x1F, 0x08, 0x18, 0x00000000, PPC_POWER_BR),
6481 GEN_HANDLER(dozi, 0x09, 0xFF, 0xFF, 0x00000000, PPC_POWER_BR),
6482 GEN_HANDLER(lscbx, 0x1F, 0x15, 0x08, 0x00000000, PPC_POWER_BR),
6483 GEN_HANDLER(maskg, 0x1F, 0x1D, 0x00, 0x00000000, PPC_POWER_BR),
6484 GEN_HANDLER(maskir, 0x1F, 0x1D, 0x10, 0x00000000, PPC_POWER_BR),
6485 GEN_HANDLER(mul, 0x1F, 0x0B, 0x03, 0x00000000, PPC_POWER_BR),
6486 GEN_HANDLER(mulo, 0x1F, 0x0B, 0x13, 0x00000000, PPC_POWER_BR),
6487 GEN_HANDLER(nabs, 0x1F, 0x08, 0x0F, 0x00000000, PPC_POWER_BR),
6488 GEN_HANDLER(nabso, 0x1F, 0x08, 0x1F, 0x00000000, PPC_POWER_BR),
6489 GEN_HANDLER(rlmi, 0x16, 0xFF, 0xFF, 0x00000000, PPC_POWER_BR),
6490 GEN_HANDLER(rrib, 0x1F, 0x19, 0x10, 0x00000000, PPC_POWER_BR),
6491 GEN_HANDLER(sle, 0x1F, 0x19, 0x04, 0x00000000, PPC_POWER_BR),
6492 GEN_HANDLER(sleq, 0x1F, 0x19, 0x06, 0x00000000, PPC_POWER_BR),
6493 GEN_HANDLER(sliq, 0x1F, 0x18, 0x05, 0x00000000, PPC_POWER_BR),
6494 GEN_HANDLER(slliq, 0x1F, 0x18, 0x07, 0x00000000, PPC_POWER_BR),
6495 GEN_HANDLER(sllq, 0x1F, 0x18, 0x06, 0x00000000, PPC_POWER_BR),
6496 GEN_HANDLER(slq, 0x1F, 0x18, 0x04, 0x00000000, PPC_POWER_BR),
6497 GEN_HANDLER(sraiq, 0x1F, 0x18, 0x1D, 0x00000000, PPC_POWER_BR),
6498 GEN_HANDLER(sraq, 0x1F, 0x18, 0x1C, 0x00000000, PPC_POWER_BR),
6499 GEN_HANDLER(sre, 0x1F, 0x19, 0x14, 0x00000000, PPC_POWER_BR),
6500 GEN_HANDLER(srea, 0x1F, 0x19, 0x1C, 0x00000000, PPC_POWER_BR),
6501 GEN_HANDLER(sreq, 0x1F, 0x19, 0x16, 0x00000000, PPC_POWER_BR),
6502 GEN_HANDLER(sriq, 0x1F, 0x18, 0x15, 0x00000000, PPC_POWER_BR),
6503 GEN_HANDLER(srliq, 0x1F, 0x18, 0x17, 0x00000000, PPC_POWER_BR),
6504 GEN_HANDLER(srlq, 0x1F, 0x18, 0x16, 0x00000000, PPC_POWER_BR),
6505 GEN_HANDLER(srq, 0x1F, 0x18, 0x14, 0x00000000, PPC_POWER_BR),
6506 GEN_HANDLER(dsa, 0x1F, 0x14, 0x13, 0x03FFF801, PPC_602_SPEC),
6507 GEN_HANDLER(esa, 0x1F, 0x14, 0x12, 0x03FFF801, PPC_602_SPEC),
6508 GEN_HANDLER(mfrom, 0x1F, 0x09, 0x08, 0x03E0F801, PPC_602_SPEC),
6509 GEN_HANDLER2(tlbld_6xx, "tlbld", 0x1F, 0x12, 0x1E, 0x03FF0001, PPC_6xx_TLB),
6510 GEN_HANDLER2(tlbli_6xx, "tlbli", 0x1F, 0x12, 0x1F, 0x03FF0001, PPC_6xx_TLB),
6511 GEN_HANDLER2(tlbld_74xx, "tlbld", 0x1F, 0x12, 0x1E, 0x03FF0001, PPC_74xx_TLB),
6512 GEN_HANDLER2(tlbli_74xx, "tlbli", 0x1F, 0x12, 0x1F, 0x03FF0001, PPC_74xx_TLB),
6513 GEN_HANDLER(clf, 0x1F, 0x16, 0x03, 0x03E00000, PPC_POWER),
6514 GEN_HANDLER(cli, 0x1F, 0x16, 0x0F, 0x03E00000, PPC_POWER),
6515 GEN_HANDLER(dclst, 0x1F, 0x16, 0x13, 0x03E00000, PPC_POWER),
6516 GEN_HANDLER(mfsri, 0x1F, 0x13, 0x13, 0x00000001, PPC_POWER),
6517 GEN_HANDLER(rac, 0x1F, 0x12, 0x19, 0x00000001, PPC_POWER),
6518 GEN_HANDLER(rfsvc, 0x13, 0x12, 0x02, 0x03FFF0001, PPC_POWER),
6519 GEN_HANDLER(lfq, 0x38, 0xFF, 0xFF, 0x00000003, PPC_POWER2),
6520 GEN_HANDLER(lfqu, 0x39, 0xFF, 0xFF, 0x00000003, PPC_POWER2),
6521 GEN_HANDLER(lfqux, 0x1F, 0x17, 0x19, 0x00000001, PPC_POWER2),
6522 GEN_HANDLER(lfqx, 0x1F, 0x17, 0x18, 0x00000001, PPC_POWER2),
6523 GEN_HANDLER(stfq, 0x3C, 0xFF, 0xFF, 0x00000003, PPC_POWER2),
6524 GEN_HANDLER(stfqu, 0x3D, 0xFF, 0xFF, 0x00000003, PPC_POWER2),
6525 GEN_HANDLER(stfqux, 0x1F, 0x17, 0x1D, 0x00000001, PPC_POWER2),
6526 GEN_HANDLER(stfqx, 0x1F, 0x17, 0x1C, 0x00000001, PPC_POWER2),
6527 GEN_HANDLER(mfapidi, 0x1F, 0x13, 0x08, 0x0000F801, PPC_MFAPIDI),
6528 GEN_HANDLER(tlbiva, 0x1F, 0x12, 0x18, 0x03FFF801, PPC_TLBIVA),
6529 GEN_HANDLER(mfdcr, 0x1F, 0x03, 0x0A, 0x00000001, PPC_DCR),
6530 GEN_HANDLER(mtdcr, 0x1F, 0x03, 0x0E, 0x00000001, PPC_DCR),
6531 GEN_HANDLER(mfdcrx, 0x1F, 0x03, 0x08, 0x00000000, PPC_DCRX),
6532 GEN_HANDLER(mtdcrx, 0x1F, 0x03, 0x0C, 0x00000000, PPC_DCRX),
6533 GEN_HANDLER(mfdcrux, 0x1F, 0x03, 0x09, 0x00000000, PPC_DCRUX),
6534 GEN_HANDLER(mtdcrux, 0x1F, 0x03, 0x0D, 0x00000000, PPC_DCRUX),
6535 GEN_HANDLER(dccci, 0x1F, 0x06, 0x0E, 0x03E00001, PPC_4xx_COMMON),
6536 GEN_HANDLER(dcread, 0x1F, 0x06, 0x0F, 0x00000001, PPC_4xx_COMMON),
6537 GEN_HANDLER2(icbt_40x, "icbt", 0x1F, 0x06, 0x08, 0x03E00001, PPC_40x_ICBT),
6538 GEN_HANDLER(iccci, 0x1F, 0x06, 0x1E, 0x00000001, PPC_4xx_COMMON),
6539 GEN_HANDLER(icread, 0x1F, 0x06, 0x1F, 0x03E00001, PPC_4xx_COMMON),
6540 GEN_HANDLER2(rfci_40x, "rfci", 0x13, 0x13, 0x01, 0x03FF8001, PPC_40x_EXCP),
6541 GEN_HANDLER_E(rfci, 0x13, 0x13, 0x01, 0x03FF8001, PPC_BOOKE, PPC2_BOOKE206),
6542 GEN_HANDLER(rfdi, 0x13, 0x07, 0x01, 0x03FF8001, PPC_RFDI),
6543 GEN_HANDLER(rfmci, 0x13, 0x06, 0x01, 0x03FF8001, PPC_RFMCI),
6544 GEN_HANDLER2(tlbre_40x, "tlbre", 0x1F, 0x12, 0x1D, 0x00000001, PPC_40x_TLB),
6545 GEN_HANDLER2(tlbsx_40x, "tlbsx", 0x1F, 0x12, 0x1C, 0x00000000, PPC_40x_TLB),
6546 GEN_HANDLER2(tlbwe_40x, "tlbwe", 0x1F, 0x12, 0x1E, 0x00000001, PPC_40x_TLB),
6547 GEN_HANDLER2(tlbre_440, "tlbre", 0x1F, 0x12, 0x1D, 0x00000001, PPC_BOOKE),
6548 GEN_HANDLER2(tlbsx_440, "tlbsx", 0x1F, 0x12, 0x1C, 0x00000000, PPC_BOOKE),
6549 GEN_HANDLER2(tlbwe_440, "tlbwe", 0x1F, 0x12, 0x1E, 0x00000001, PPC_BOOKE),
6550 GEN_HANDLER2_E(tlbre_booke206, "tlbre", 0x1F, 0x12, 0x1D, 0x00000001,
6551                PPC_NONE, PPC2_BOOKE206),
6552 GEN_HANDLER2_E(tlbsx_booke206, "tlbsx", 0x1F, 0x12, 0x1C, 0x00000000,
6553                PPC_NONE, PPC2_BOOKE206),
6554 GEN_HANDLER2_E(tlbwe_booke206, "tlbwe", 0x1F, 0x12, 0x1E, 0x00000001,
6555                PPC_NONE, PPC2_BOOKE206),
6556 GEN_HANDLER2_E(tlbivax_booke206, "tlbivax", 0x1F, 0x12, 0x18, 0x00000001,
6557                PPC_NONE, PPC2_BOOKE206),
6558 GEN_HANDLER2_E(tlbilx_booke206, "tlbilx", 0x1F, 0x12, 0x00, 0x03800001,
6559                PPC_NONE, PPC2_BOOKE206),
6560 GEN_HANDLER2_E(msgsnd, "msgsnd", 0x1F, 0x0E, 0x06, 0x03ff0001,
6561                PPC_NONE, PPC2_PRCNTL),
6562 GEN_HANDLER2_E(msgclr, "msgclr", 0x1F, 0x0E, 0x07, 0x03ff0001,
6563                PPC_NONE, PPC2_PRCNTL),
6564 GEN_HANDLER(wrtee, 0x1F, 0x03, 0x04, 0x000FFC01, PPC_WRTEE),
6565 GEN_HANDLER(wrteei, 0x1F, 0x03, 0x05, 0x000E7C01, PPC_WRTEE),
6566 GEN_HANDLER(dlmzb, 0x1F, 0x0E, 0x02, 0x00000000, PPC_440_SPEC),
6567 GEN_HANDLER_E(mbar, 0x1F, 0x16, 0x1a, 0x001FF801,
6568               PPC_BOOKE, PPC2_BOOKE206),
6569 GEN_HANDLER(msync_4xx, 0x1F, 0x16, 0x12, 0x03FFF801, PPC_BOOKE),
6570 GEN_HANDLER2_E(icbt_440, "icbt", 0x1F, 0x16, 0x00, 0x03E00001,
6571                PPC_BOOKE, PPC2_BOOKE206),
6572 GEN_HANDLER(lvsl, 0x1f, 0x06, 0x00, 0x00000001, PPC_ALTIVEC),
6573 GEN_HANDLER(lvsr, 0x1f, 0x06, 0x01, 0x00000001, PPC_ALTIVEC),
6574 GEN_HANDLER(mfvscr, 0x04, 0x2, 0x18, 0x001ff800, PPC_ALTIVEC),
6575 GEN_HANDLER(mtvscr, 0x04, 0x2, 0x19, 0x03ff0000, PPC_ALTIVEC),
6576 GEN_HANDLER(vmladduhm, 0x04, 0x11, 0xFF, 0x00000000, PPC_ALTIVEC),
6577 #if defined(TARGET_PPC64)
6578 GEN_HANDLER_E(maddhd_maddhdu, 0x04, 0x18, 0xFF, 0x00000000, PPC_NONE,
6579               PPC2_ISA300),
6580 GEN_HANDLER_E(maddld, 0x04, 0x19, 0xFF, 0x00000000, PPC_NONE, PPC2_ISA300),
6581 #endif
6582 
6583 #undef GEN_INT_ARITH_ADD
6584 #undef GEN_INT_ARITH_ADD_CONST
6585 #define GEN_INT_ARITH_ADD(name, opc3, add_ca, compute_ca, compute_ov)         \
6586 GEN_HANDLER(name, 0x1F, 0x0A, opc3, 0x00000000, PPC_INTEGER),
6587 #define GEN_INT_ARITH_ADD_CONST(name, opc3, const_val,                        \
6588                                 add_ca, compute_ca, compute_ov)               \
6589 GEN_HANDLER(name, 0x1F, 0x0A, opc3, 0x0000F800, PPC_INTEGER),
6590 GEN_INT_ARITH_ADD(add, 0x08, 0, 0, 0)
6591 GEN_INT_ARITH_ADD(addo, 0x18, 0, 0, 1)
6592 GEN_INT_ARITH_ADD(addc, 0x00, 0, 1, 0)
6593 GEN_INT_ARITH_ADD(addco, 0x10, 0, 1, 1)
6594 GEN_INT_ARITH_ADD(adde, 0x04, 1, 1, 0)
6595 GEN_INT_ARITH_ADD(addeo, 0x14, 1, 1, 1)
6596 GEN_INT_ARITH_ADD_CONST(addme, 0x07, -1LL, 1, 1, 0)
6597 GEN_INT_ARITH_ADD_CONST(addmeo, 0x17, -1LL, 1, 1, 1)
6598 GEN_INT_ARITH_ADD_CONST(addze, 0x06, 0, 1, 1, 0)
6599 GEN_INT_ARITH_ADD_CONST(addzeo, 0x16, 0, 1, 1, 1)
6600 
6601 #undef GEN_INT_ARITH_DIVW
6602 #define GEN_INT_ARITH_DIVW(name, opc3, sign, compute_ov)                      \
6603 GEN_HANDLER(name, 0x1F, 0x0B, opc3, 0x00000000, PPC_INTEGER)
6604 GEN_INT_ARITH_DIVW(divwu, 0x0E, 0, 0),
6605 GEN_INT_ARITH_DIVW(divwuo, 0x1E, 0, 1),
6606 GEN_INT_ARITH_DIVW(divw, 0x0F, 1, 0),
6607 GEN_INT_ARITH_DIVW(divwo, 0x1F, 1, 1),
6608 GEN_HANDLER_E(divwe, 0x1F, 0x0B, 0x0D, 0, PPC_NONE, PPC2_DIVE_ISA206),
6609 GEN_HANDLER_E(divweo, 0x1F, 0x0B, 0x1D, 0, PPC_NONE, PPC2_DIVE_ISA206),
6610 GEN_HANDLER_E(divweu, 0x1F, 0x0B, 0x0C, 0, PPC_NONE, PPC2_DIVE_ISA206),
6611 GEN_HANDLER_E(divweuo, 0x1F, 0x0B, 0x1C, 0, PPC_NONE, PPC2_DIVE_ISA206),
6612 GEN_HANDLER_E(modsw, 0x1F, 0x0B, 0x18, 0x00000001, PPC_NONE, PPC2_ISA300),
6613 GEN_HANDLER_E(moduw, 0x1F, 0x0B, 0x08, 0x00000001, PPC_NONE, PPC2_ISA300),
6614 
6615 #if defined(TARGET_PPC64)
6616 #undef GEN_INT_ARITH_DIVD
6617 #define GEN_INT_ARITH_DIVD(name, opc3, sign, compute_ov)                      \
6618 GEN_HANDLER(name, 0x1F, 0x09, opc3, 0x00000000, PPC_64B)
6619 GEN_INT_ARITH_DIVD(divdu, 0x0E, 0, 0),
6620 GEN_INT_ARITH_DIVD(divduo, 0x1E, 0, 1),
6621 GEN_INT_ARITH_DIVD(divd, 0x0F, 1, 0),
6622 GEN_INT_ARITH_DIVD(divdo, 0x1F, 1, 1),
6623 
6624 GEN_HANDLER_E(divdeu, 0x1F, 0x09, 0x0C, 0, PPC_NONE, PPC2_DIVE_ISA206),
6625 GEN_HANDLER_E(divdeuo, 0x1F, 0x09, 0x1C, 0, PPC_NONE, PPC2_DIVE_ISA206),
6626 GEN_HANDLER_E(divde, 0x1F, 0x09, 0x0D, 0, PPC_NONE, PPC2_DIVE_ISA206),
6627 GEN_HANDLER_E(divdeo, 0x1F, 0x09, 0x1D, 0, PPC_NONE, PPC2_DIVE_ISA206),
6628 GEN_HANDLER_E(modsd, 0x1F, 0x09, 0x18, 0x00000001, PPC_NONE, PPC2_ISA300),
6629 GEN_HANDLER_E(modud, 0x1F, 0x09, 0x08, 0x00000001, PPC_NONE, PPC2_ISA300),
6630 
6631 #undef GEN_INT_ARITH_MUL_HELPER
6632 #define GEN_INT_ARITH_MUL_HELPER(name, opc3)                                  \
6633 GEN_HANDLER(name, 0x1F, 0x09, opc3, 0x00000000, PPC_64B)
6634 GEN_INT_ARITH_MUL_HELPER(mulhdu, 0x00),
6635 GEN_INT_ARITH_MUL_HELPER(mulhd, 0x02),
6636 GEN_INT_ARITH_MUL_HELPER(mulldo, 0x17),
6637 #endif
6638 
6639 #undef GEN_INT_ARITH_SUBF
6640 #undef GEN_INT_ARITH_SUBF_CONST
6641 #define GEN_INT_ARITH_SUBF(name, opc3, add_ca, compute_ca, compute_ov)        \
6642 GEN_HANDLER(name, 0x1F, 0x08, opc3, 0x00000000, PPC_INTEGER),
6643 #define GEN_INT_ARITH_SUBF_CONST(name, opc3, const_val,                       \
6644                                 add_ca, compute_ca, compute_ov)               \
6645 GEN_HANDLER(name, 0x1F, 0x08, opc3, 0x0000F800, PPC_INTEGER),
6646 GEN_INT_ARITH_SUBF(subf, 0x01, 0, 0, 0)
6647 GEN_INT_ARITH_SUBF(subfo, 0x11, 0, 0, 1)
6648 GEN_INT_ARITH_SUBF(subfc, 0x00, 0, 1, 0)
6649 GEN_INT_ARITH_SUBF(subfco, 0x10, 0, 1, 1)
6650 GEN_INT_ARITH_SUBF(subfe, 0x04, 1, 1, 0)
6651 GEN_INT_ARITH_SUBF(subfeo, 0x14, 1, 1, 1)
6652 GEN_INT_ARITH_SUBF_CONST(subfme, 0x07, -1LL, 1, 1, 0)
6653 GEN_INT_ARITH_SUBF_CONST(subfmeo, 0x17, -1LL, 1, 1, 1)
6654 GEN_INT_ARITH_SUBF_CONST(subfze, 0x06, 0, 1, 1, 0)
6655 GEN_INT_ARITH_SUBF_CONST(subfzeo, 0x16, 0, 1, 1, 1)
6656 
6657 #undef GEN_LOGICAL1
6658 #undef GEN_LOGICAL2
6659 #define GEN_LOGICAL2(name, tcg_op, opc, type)                                 \
6660 GEN_HANDLER(name, 0x1F, 0x1C, opc, 0x00000000, type)
6661 #define GEN_LOGICAL1(name, tcg_op, opc, type)                                 \
6662 GEN_HANDLER(name, 0x1F, 0x1A, opc, 0x00000000, type)
6663 GEN_LOGICAL2(and, tcg_gen_and_tl, 0x00, PPC_INTEGER),
6664 GEN_LOGICAL2(andc, tcg_gen_andc_tl, 0x01, PPC_INTEGER),
6665 GEN_LOGICAL2(eqv, tcg_gen_eqv_tl, 0x08, PPC_INTEGER),
6666 GEN_LOGICAL1(extsb, tcg_gen_ext8s_tl, 0x1D, PPC_INTEGER),
6667 GEN_LOGICAL1(extsh, tcg_gen_ext16s_tl, 0x1C, PPC_INTEGER),
6668 GEN_LOGICAL2(nand, tcg_gen_nand_tl, 0x0E, PPC_INTEGER),
6669 GEN_LOGICAL2(nor, tcg_gen_nor_tl, 0x03, PPC_INTEGER),
6670 GEN_LOGICAL2(orc, tcg_gen_orc_tl, 0x0C, PPC_INTEGER),
6671 #if defined(TARGET_PPC64)
6672 GEN_LOGICAL1(extsw, tcg_gen_ext32s_tl, 0x1E, PPC_64B),
6673 #endif
6674 
6675 #if defined(TARGET_PPC64)
6676 #undef GEN_PPC64_R2
6677 #undef GEN_PPC64_R4
6678 #define GEN_PPC64_R2(name, opc1, opc2)                                        \
6679 GEN_HANDLER2(name##0, stringify(name), opc1, opc2, 0xFF, 0x00000000, PPC_64B),\
6680 GEN_HANDLER2(name##1, stringify(name), opc1, opc2 | 0x10, 0xFF, 0x00000000,   \
6681              PPC_64B)
6682 #define GEN_PPC64_R4(name, opc1, opc2)                                        \
6683 GEN_HANDLER2(name##0, stringify(name), opc1, opc2, 0xFF, 0x00000000, PPC_64B),\
6684 GEN_HANDLER2(name##1, stringify(name), opc1, opc2 | 0x01, 0xFF, 0x00000000,   \
6685              PPC_64B),                                                        \
6686 GEN_HANDLER2(name##2, stringify(name), opc1, opc2 | 0x10, 0xFF, 0x00000000,   \
6687              PPC_64B),                                                        \
6688 GEN_HANDLER2(name##3, stringify(name), opc1, opc2 | 0x11, 0xFF, 0x00000000,   \
6689              PPC_64B)
6690 GEN_PPC64_R4(rldicl, 0x1E, 0x00),
6691 GEN_PPC64_R4(rldicr, 0x1E, 0x02),
6692 GEN_PPC64_R4(rldic, 0x1E, 0x04),
6693 GEN_PPC64_R2(rldcl, 0x1E, 0x08),
6694 GEN_PPC64_R2(rldcr, 0x1E, 0x09),
6695 GEN_PPC64_R4(rldimi, 0x1E, 0x06),
6696 #endif
6697 
6698 #undef GEN_LD
6699 #undef GEN_LDU
6700 #undef GEN_LDUX
6701 #undef GEN_LDX_E
6702 #undef GEN_LDS
6703 #define GEN_LD(name, ldop, opc, type)                                         \
6704 GEN_HANDLER(name, opc, 0xFF, 0xFF, 0x00000000, type),
6705 #define GEN_LDU(name, ldop, opc, type)                                        \
6706 GEN_HANDLER(name##u, opc, 0xFF, 0xFF, 0x00000000, type),
6707 #define GEN_LDUX(name, ldop, opc2, opc3, type)                                \
6708 GEN_HANDLER(name##ux, 0x1F, opc2, opc3, 0x00000001, type),
6709 #define GEN_LDX_E(name, ldop, opc2, opc3, type, type2, chk)                   \
6710 GEN_HANDLER_E(name##x, 0x1F, opc2, opc3, 0x00000001, type, type2),
6711 #define GEN_LDS(name, ldop, op, type)                                         \
6712 GEN_LD(name, ldop, op | 0x20, type)                                           \
6713 GEN_LDU(name, ldop, op | 0x21, type)                                          \
6714 GEN_LDUX(name, ldop, 0x17, op | 0x01, type)                                   \
6715 GEN_LDX(name, ldop, 0x17, op | 0x00, type)
6716 
6717 GEN_LDS(lbz, ld8u, 0x02, PPC_INTEGER)
6718 GEN_LDS(lha, ld16s, 0x0A, PPC_INTEGER)
6719 GEN_LDS(lhz, ld16u, 0x08, PPC_INTEGER)
6720 GEN_LDS(lwz, ld32u, 0x00, PPC_INTEGER)
6721 #if defined(TARGET_PPC64)
6722 GEN_LDUX(lwa, ld32s, 0x15, 0x0B, PPC_64B)
6723 GEN_LDX(lwa, ld32s, 0x15, 0x0A, PPC_64B)
6724 GEN_LDUX(ld, ld64_i64, 0x15, 0x01, PPC_64B)
6725 GEN_LDX(ld, ld64_i64, 0x15, 0x00, PPC_64B)
6726 GEN_LDX_E(ldbr, ld64ur_i64, 0x14, 0x10, PPC_NONE, PPC2_DBRX, CHK_NONE)
6727 
6728 /* HV/P7 and later only */
6729 GEN_LDX_HVRM(ldcix, ld64_i64, 0x15, 0x1b, PPC_CILDST)
6730 GEN_LDX_HVRM(lwzcix, ld32u, 0x15, 0x18, PPC_CILDST)
6731 GEN_LDX_HVRM(lhzcix, ld16u, 0x15, 0x19, PPC_CILDST)
6732 GEN_LDX_HVRM(lbzcix, ld8u, 0x15, 0x1a, PPC_CILDST)
6733 #endif
6734 GEN_LDX(lhbr, ld16ur, 0x16, 0x18, PPC_INTEGER)
6735 GEN_LDX(lwbr, ld32ur, 0x16, 0x10, PPC_INTEGER)
6736 
6737 #undef GEN_ST
6738 #undef GEN_STU
6739 #undef GEN_STUX
6740 #undef GEN_STX_E
6741 #undef GEN_STS
6742 #define GEN_ST(name, stop, opc, type)                                         \
6743 GEN_HANDLER(name, opc, 0xFF, 0xFF, 0x00000000, type),
6744 #define GEN_STU(name, stop, opc, type)                                        \
6745 GEN_HANDLER(stop##u, opc, 0xFF, 0xFF, 0x00000000, type),
6746 #define GEN_STUX(name, stop, opc2, opc3, type)                                \
6747 GEN_HANDLER(name##ux, 0x1F, opc2, opc3, 0x00000001, type),
6748 #define GEN_STX_E(name, stop, opc2, opc3, type, type2, chk)                   \
6749 GEN_HANDLER_E(name##x, 0x1F, opc2, opc3, 0x00000001, type, type2),
6750 #define GEN_STS(name, stop, op, type)                                         \
6751 GEN_ST(name, stop, op | 0x20, type)                                           \
6752 GEN_STU(name, stop, op | 0x21, type)                                          \
6753 GEN_STUX(name, stop, 0x17, op | 0x01, type)                                   \
6754 GEN_STX(name, stop, 0x17, op | 0x00, type)
6755 
6756 GEN_STS(stb, st8, 0x06, PPC_INTEGER)
6757 GEN_STS(sth, st16, 0x0C, PPC_INTEGER)
6758 GEN_STS(stw, st32, 0x04, PPC_INTEGER)
6759 #if defined(TARGET_PPC64)
6760 GEN_STUX(std, st64_i64, 0x15, 0x05, PPC_64B)
6761 GEN_STX(std, st64_i64, 0x15, 0x04, PPC_64B)
6762 GEN_STX_E(stdbr, st64r_i64, 0x14, 0x14, PPC_NONE, PPC2_DBRX, CHK_NONE)
6763 GEN_STX_HVRM(stdcix, st64_i64, 0x15, 0x1f, PPC_CILDST)
6764 GEN_STX_HVRM(stwcix, st32, 0x15, 0x1c, PPC_CILDST)
6765 GEN_STX_HVRM(sthcix, st16, 0x15, 0x1d, PPC_CILDST)
6766 GEN_STX_HVRM(stbcix, st8, 0x15, 0x1e, PPC_CILDST)
6767 #endif
6768 GEN_STX(sthbr, st16r, 0x16, 0x1C, PPC_INTEGER)
6769 GEN_STX(stwbr, st32r, 0x16, 0x14, PPC_INTEGER)
6770 
6771 #undef GEN_CRLOGIC
6772 #define GEN_CRLOGIC(name, tcg_op, opc)                                        \
6773 GEN_HANDLER(name, 0x13, 0x01, opc, 0x00000001, PPC_INTEGER)
6774 GEN_CRLOGIC(crand, tcg_gen_and_i32, 0x08),
6775 GEN_CRLOGIC(crandc, tcg_gen_andc_i32, 0x04),
6776 GEN_CRLOGIC(creqv, tcg_gen_eqv_i32, 0x09),
6777 GEN_CRLOGIC(crnand, tcg_gen_nand_i32, 0x07),
6778 GEN_CRLOGIC(crnor, tcg_gen_nor_i32, 0x01),
6779 GEN_CRLOGIC(cror, tcg_gen_or_i32, 0x0E),
6780 GEN_CRLOGIC(crorc, tcg_gen_orc_i32, 0x0D),
6781 GEN_CRLOGIC(crxor, tcg_gen_xor_i32, 0x06),
6782 
6783 #undef GEN_MAC_HANDLER
6784 #define GEN_MAC_HANDLER(name, opc2, opc3)                                     \
6785 GEN_HANDLER(name, 0x04, opc2, opc3, 0x00000000, PPC_405_MAC)
6786 GEN_MAC_HANDLER(macchw, 0x0C, 0x05),
6787 GEN_MAC_HANDLER(macchwo, 0x0C, 0x15),
6788 GEN_MAC_HANDLER(macchws, 0x0C, 0x07),
6789 GEN_MAC_HANDLER(macchwso, 0x0C, 0x17),
6790 GEN_MAC_HANDLER(macchwsu, 0x0C, 0x06),
6791 GEN_MAC_HANDLER(macchwsuo, 0x0C, 0x16),
6792 GEN_MAC_HANDLER(macchwu, 0x0C, 0x04),
6793 GEN_MAC_HANDLER(macchwuo, 0x0C, 0x14),
6794 GEN_MAC_HANDLER(machhw, 0x0C, 0x01),
6795 GEN_MAC_HANDLER(machhwo, 0x0C, 0x11),
6796 GEN_MAC_HANDLER(machhws, 0x0C, 0x03),
6797 GEN_MAC_HANDLER(machhwso, 0x0C, 0x13),
6798 GEN_MAC_HANDLER(machhwsu, 0x0C, 0x02),
6799 GEN_MAC_HANDLER(machhwsuo, 0x0C, 0x12),
6800 GEN_MAC_HANDLER(machhwu, 0x0C, 0x00),
6801 GEN_MAC_HANDLER(machhwuo, 0x0C, 0x10),
6802 GEN_MAC_HANDLER(maclhw, 0x0C, 0x0D),
6803 GEN_MAC_HANDLER(maclhwo, 0x0C, 0x1D),
6804 GEN_MAC_HANDLER(maclhws, 0x0C, 0x0F),
6805 GEN_MAC_HANDLER(maclhwso, 0x0C, 0x1F),
6806 GEN_MAC_HANDLER(maclhwu, 0x0C, 0x0C),
6807 GEN_MAC_HANDLER(maclhwuo, 0x0C, 0x1C),
6808 GEN_MAC_HANDLER(maclhwsu, 0x0C, 0x0E),
6809 GEN_MAC_HANDLER(maclhwsuo, 0x0C, 0x1E),
6810 GEN_MAC_HANDLER(nmacchw, 0x0E, 0x05),
6811 GEN_MAC_HANDLER(nmacchwo, 0x0E, 0x15),
6812 GEN_MAC_HANDLER(nmacchws, 0x0E, 0x07),
6813 GEN_MAC_HANDLER(nmacchwso, 0x0E, 0x17),
6814 GEN_MAC_HANDLER(nmachhw, 0x0E, 0x01),
6815 GEN_MAC_HANDLER(nmachhwo, 0x0E, 0x11),
6816 GEN_MAC_HANDLER(nmachhws, 0x0E, 0x03),
6817 GEN_MAC_HANDLER(nmachhwso, 0x0E, 0x13),
6818 GEN_MAC_HANDLER(nmaclhw, 0x0E, 0x0D),
6819 GEN_MAC_HANDLER(nmaclhwo, 0x0E, 0x1D),
6820 GEN_MAC_HANDLER(nmaclhws, 0x0E, 0x0F),
6821 GEN_MAC_HANDLER(nmaclhwso, 0x0E, 0x1F),
6822 GEN_MAC_HANDLER(mulchw, 0x08, 0x05),
6823 GEN_MAC_HANDLER(mulchwu, 0x08, 0x04),
6824 GEN_MAC_HANDLER(mulhhw, 0x08, 0x01),
6825 GEN_MAC_HANDLER(mulhhwu, 0x08, 0x00),
6826 GEN_MAC_HANDLER(mullhw, 0x08, 0x0D),
6827 GEN_MAC_HANDLER(mullhwu, 0x08, 0x0C),
6828 
6829 GEN_HANDLER2_E(tbegin, "tbegin", 0x1F, 0x0E, 0x14, 0x01DFF800, \
6830                PPC_NONE, PPC2_TM),
6831 GEN_HANDLER2_E(tend,   "tend",   0x1F, 0x0E, 0x15, 0x01FFF800, \
6832                PPC_NONE, PPC2_TM),
6833 GEN_HANDLER2_E(tabort, "tabort", 0x1F, 0x0E, 0x1C, 0x03E0F800, \
6834                PPC_NONE, PPC2_TM),
6835 GEN_HANDLER2_E(tabortwc, "tabortwc", 0x1F, 0x0E, 0x18, 0x00000000, \
6836                PPC_NONE, PPC2_TM),
6837 GEN_HANDLER2_E(tabortwci, "tabortwci", 0x1F, 0x0E, 0x1A, 0x00000000, \
6838                PPC_NONE, PPC2_TM),
6839 GEN_HANDLER2_E(tabortdc, "tabortdc", 0x1F, 0x0E, 0x19, 0x00000000, \
6840                PPC_NONE, PPC2_TM),
6841 GEN_HANDLER2_E(tabortdci, "tabortdci", 0x1F, 0x0E, 0x1B, 0x00000000, \
6842                PPC_NONE, PPC2_TM),
6843 GEN_HANDLER2_E(tsr, "tsr", 0x1F, 0x0E, 0x17, 0x03DFF800, \
6844                PPC_NONE, PPC2_TM),
6845 GEN_HANDLER2_E(tcheck, "tcheck", 0x1F, 0x0E, 0x16, 0x007FF800, \
6846                PPC_NONE, PPC2_TM),
6847 GEN_HANDLER2_E(treclaim, "treclaim", 0x1F, 0x0E, 0x1D, 0x03E0F800, \
6848                PPC_NONE, PPC2_TM),
6849 GEN_HANDLER2_E(trechkpt, "trechkpt", 0x1F, 0x0E, 0x1F, 0x03FFF800, \
6850                PPC_NONE, PPC2_TM),
6851 
6852 #include "translate/fp-ops.inc.c"
6853 
6854 #include "translate/vmx-ops.inc.c"
6855 
6856 #include "translate/vsx-ops.inc.c"
6857 
6858 #include "translate/dfp-ops.inc.c"
6859 
6860 #include "translate/spe-ops.inc.c"
6861 };
6862 
6863 #include "helper_regs.h"
6864 #include "translate_init.c"
6865 
6866 /*****************************************************************************/
6867 /* Misc PowerPC helpers */
6868 void ppc_cpu_dump_state(CPUState *cs, FILE *f, fprintf_function cpu_fprintf,
6869                         int flags)
6870 {
6871 #define RGPL  4
6872 #define RFPL  4
6873 
6874     PowerPCCPU *cpu = POWERPC_CPU(cs);
6875     CPUPPCState *env = &cpu->env;
6876     int i;
6877 
6878     cpu_fprintf(f, "NIP " TARGET_FMT_lx "   LR " TARGET_FMT_lx " CTR "
6879                 TARGET_FMT_lx " XER " TARGET_FMT_lx " CPU#%d\n",
6880                 env->nip, env->lr, env->ctr, cpu_read_xer(env),
6881                 cs->cpu_index);
6882     cpu_fprintf(f, "MSR " TARGET_FMT_lx " HID0 " TARGET_FMT_lx "  HF "
6883                 TARGET_FMT_lx " iidx %d didx %d\n",
6884                 env->msr, env->spr[SPR_HID0],
6885                 env->hflags, env->immu_idx, env->dmmu_idx);
6886 #if !defined(NO_TIMER_DUMP)
6887     cpu_fprintf(f, "TB %08" PRIu32 " %08" PRIu64
6888 #if !defined(CONFIG_USER_ONLY)
6889                 " DECR %08" PRIu32
6890 #endif
6891                 "\n",
6892                 cpu_ppc_load_tbu(env), cpu_ppc_load_tbl(env)
6893 #if !defined(CONFIG_USER_ONLY)
6894                 , cpu_ppc_load_decr(env)
6895 #endif
6896                 );
6897 #endif
6898     for (i = 0; i < 32; i++) {
6899         if ((i & (RGPL - 1)) == 0)
6900             cpu_fprintf(f, "GPR%02d", i);
6901         cpu_fprintf(f, " %016" PRIx64, ppc_dump_gpr(env, i));
6902         if ((i & (RGPL - 1)) == (RGPL - 1))
6903             cpu_fprintf(f, "\n");
6904     }
6905     cpu_fprintf(f, "CR ");
6906     for (i = 0; i < 8; i++)
6907         cpu_fprintf(f, "%01x", env->crf[i]);
6908     cpu_fprintf(f, "  [");
6909     for (i = 0; i < 8; i++) {
6910         char a = '-';
6911         if (env->crf[i] & 0x08)
6912             a = 'L';
6913         else if (env->crf[i] & 0x04)
6914             a = 'G';
6915         else if (env->crf[i] & 0x02)
6916             a = 'E';
6917         cpu_fprintf(f, " %c%c", a, env->crf[i] & 0x01 ? 'O' : ' ');
6918     }
6919     cpu_fprintf(f, " ]             RES " TARGET_FMT_lx "\n",
6920                 env->reserve_addr);
6921     for (i = 0; i < 32; i++) {
6922         if ((i & (RFPL - 1)) == 0)
6923             cpu_fprintf(f, "FPR%02d", i);
6924         cpu_fprintf(f, " %016" PRIx64, *((uint64_t *)&env->fpr[i]));
6925         if ((i & (RFPL - 1)) == (RFPL - 1))
6926             cpu_fprintf(f, "\n");
6927     }
6928     cpu_fprintf(f, "FPSCR " TARGET_FMT_lx "\n", env->fpscr);
6929 #if !defined(CONFIG_USER_ONLY)
6930     cpu_fprintf(f, " SRR0 " TARGET_FMT_lx "  SRR1 " TARGET_FMT_lx
6931                    "    PVR " TARGET_FMT_lx " VRSAVE " TARGET_FMT_lx "\n",
6932                 env->spr[SPR_SRR0], env->spr[SPR_SRR1],
6933                 env->spr[SPR_PVR], env->spr[SPR_VRSAVE]);
6934 
6935     cpu_fprintf(f, "SPRG0 " TARGET_FMT_lx " SPRG1 " TARGET_FMT_lx
6936                    "  SPRG2 " TARGET_FMT_lx "  SPRG3 " TARGET_FMT_lx "\n",
6937                 env->spr[SPR_SPRG0], env->spr[SPR_SPRG1],
6938                 env->spr[SPR_SPRG2], env->spr[SPR_SPRG3]);
6939 
6940     cpu_fprintf(f, "SPRG4 " TARGET_FMT_lx " SPRG5 " TARGET_FMT_lx
6941                    "  SPRG6 " TARGET_FMT_lx "  SPRG7 " TARGET_FMT_lx "\n",
6942                 env->spr[SPR_SPRG4], env->spr[SPR_SPRG5],
6943                 env->spr[SPR_SPRG6], env->spr[SPR_SPRG7]);
6944 
6945 #if defined(TARGET_PPC64)
6946     if (env->excp_model == POWERPC_EXCP_POWER7 ||
6947         env->excp_model == POWERPC_EXCP_POWER8) {
6948         cpu_fprintf(f, "HSRR0 " TARGET_FMT_lx " HSRR1 " TARGET_FMT_lx "\n",
6949                     env->spr[SPR_HSRR0], env->spr[SPR_HSRR1]);
6950     }
6951 #endif
6952     if (env->excp_model == POWERPC_EXCP_BOOKE) {
6953         cpu_fprintf(f, "CSRR0 " TARGET_FMT_lx " CSRR1 " TARGET_FMT_lx
6954                        " MCSRR0 " TARGET_FMT_lx " MCSRR1 " TARGET_FMT_lx "\n",
6955                     env->spr[SPR_BOOKE_CSRR0], env->spr[SPR_BOOKE_CSRR1],
6956                     env->spr[SPR_BOOKE_MCSRR0], env->spr[SPR_BOOKE_MCSRR1]);
6957 
6958         cpu_fprintf(f, "  TCR " TARGET_FMT_lx "   TSR " TARGET_FMT_lx
6959                        "    ESR " TARGET_FMT_lx "   DEAR " TARGET_FMT_lx "\n",
6960                     env->spr[SPR_BOOKE_TCR], env->spr[SPR_BOOKE_TSR],
6961                     env->spr[SPR_BOOKE_ESR], env->spr[SPR_BOOKE_DEAR]);
6962 
6963         cpu_fprintf(f, "  PIR " TARGET_FMT_lx " DECAR " TARGET_FMT_lx
6964                        "   IVPR " TARGET_FMT_lx "   EPCR " TARGET_FMT_lx "\n",
6965                     env->spr[SPR_BOOKE_PIR], env->spr[SPR_BOOKE_DECAR],
6966                     env->spr[SPR_BOOKE_IVPR], env->spr[SPR_BOOKE_EPCR]);
6967 
6968         cpu_fprintf(f, " MCSR " TARGET_FMT_lx " SPRG8 " TARGET_FMT_lx
6969                        "    EPR " TARGET_FMT_lx "\n",
6970                     env->spr[SPR_BOOKE_MCSR], env->spr[SPR_BOOKE_SPRG8],
6971                     env->spr[SPR_BOOKE_EPR]);
6972 
6973         /* FSL-specific */
6974         cpu_fprintf(f, " MCAR " TARGET_FMT_lx "  PID1 " TARGET_FMT_lx
6975                        "   PID2 " TARGET_FMT_lx "    SVR " TARGET_FMT_lx "\n",
6976                     env->spr[SPR_Exxx_MCAR], env->spr[SPR_BOOKE_PID1],
6977                     env->spr[SPR_BOOKE_PID2], env->spr[SPR_E500_SVR]);
6978 
6979         /*
6980          * IVORs are left out as they are large and do not change often --
6981          * they can be read with "p $ivor0", "p $ivor1", etc.
6982          */
6983     }
6984 
6985 #if defined(TARGET_PPC64)
6986     if (env->flags & POWERPC_FLAG_CFAR) {
6987         cpu_fprintf(f, " CFAR " TARGET_FMT_lx"\n", env->cfar);
6988     }
6989 #endif
6990 
6991     if (env->spr_cb[SPR_LPCR].name)
6992         cpu_fprintf(f, " LPCR " TARGET_FMT_lx "\n", env->spr[SPR_LPCR]);
6993 
6994     switch (env->mmu_model) {
6995     case POWERPC_MMU_32B:
6996     case POWERPC_MMU_601:
6997     case POWERPC_MMU_SOFT_6xx:
6998     case POWERPC_MMU_SOFT_74xx:
6999 #if defined(TARGET_PPC64)
7000     case POWERPC_MMU_64B:
7001     case POWERPC_MMU_2_03:
7002     case POWERPC_MMU_2_06:
7003     case POWERPC_MMU_2_06a:
7004     case POWERPC_MMU_2_07:
7005     case POWERPC_MMU_2_07a:
7006 #endif
7007         cpu_fprintf(f, " SDR1 " TARGET_FMT_lx "   DAR " TARGET_FMT_lx
7008                        "  DSISR " TARGET_FMT_lx "\n", env->spr[SPR_SDR1],
7009                     env->spr[SPR_DAR], env->spr[SPR_DSISR]);
7010         break;
7011     case POWERPC_MMU_BOOKE206:
7012         cpu_fprintf(f, " MAS0 " TARGET_FMT_lx "  MAS1 " TARGET_FMT_lx
7013                        "   MAS2 " TARGET_FMT_lx "   MAS3 " TARGET_FMT_lx "\n",
7014                     env->spr[SPR_BOOKE_MAS0], env->spr[SPR_BOOKE_MAS1],
7015                     env->spr[SPR_BOOKE_MAS2], env->spr[SPR_BOOKE_MAS3]);
7016 
7017         cpu_fprintf(f, " MAS4 " TARGET_FMT_lx "  MAS6 " TARGET_FMT_lx
7018                        "   MAS7 " TARGET_FMT_lx "    PID " TARGET_FMT_lx "\n",
7019                     env->spr[SPR_BOOKE_MAS4], env->spr[SPR_BOOKE_MAS6],
7020                     env->spr[SPR_BOOKE_MAS7], env->spr[SPR_BOOKE_PID]);
7021 
7022         cpu_fprintf(f, "MMUCFG " TARGET_FMT_lx " TLB0CFG " TARGET_FMT_lx
7023                        " TLB1CFG " TARGET_FMT_lx "\n",
7024                     env->spr[SPR_MMUCFG], env->spr[SPR_BOOKE_TLB0CFG],
7025                     env->spr[SPR_BOOKE_TLB1CFG]);
7026         break;
7027     default:
7028         break;
7029     }
7030 #endif
7031 
7032 #undef RGPL
7033 #undef RFPL
7034 }
7035 
7036 void ppc_cpu_dump_statistics(CPUState *cs, FILE*f,
7037                              fprintf_function cpu_fprintf, int flags)
7038 {
7039 #if defined(DO_PPC_STATISTICS)
7040     PowerPCCPU *cpu = POWERPC_CPU(cs);
7041     opc_handler_t **t1, **t2, **t3, *handler;
7042     int op1, op2, op3;
7043 
7044     t1 = cpu->env.opcodes;
7045     for (op1 = 0; op1 < 64; op1++) {
7046         handler = t1[op1];
7047         if (is_indirect_opcode(handler)) {
7048             t2 = ind_table(handler);
7049             for (op2 = 0; op2 < 32; op2++) {
7050                 handler = t2[op2];
7051                 if (is_indirect_opcode(handler)) {
7052                     t3 = ind_table(handler);
7053                     for (op3 = 0; op3 < 32; op3++) {
7054                         handler = t3[op3];
7055                         if (handler->count == 0)
7056                             continue;
7057                         cpu_fprintf(f, "%02x %02x %02x (%02x %04d) %16s: "
7058                                     "%016" PRIx64 " %" PRId64 "\n",
7059                                     op1, op2, op3, op1, (op3 << 5) | op2,
7060                                     handler->oname,
7061                                     handler->count, handler->count);
7062                     }
7063                 } else {
7064                     if (handler->count == 0)
7065                         continue;
7066                     cpu_fprintf(f, "%02x %02x    (%02x %04d) %16s: "
7067                                 "%016" PRIx64 " %" PRId64 "\n",
7068                                 op1, op2, op1, op2, handler->oname,
7069                                 handler->count, handler->count);
7070                 }
7071             }
7072         } else {
7073             if (handler->count == 0)
7074                 continue;
7075             cpu_fprintf(f, "%02x       (%02x     ) %16s: %016" PRIx64
7076                         " %" PRId64 "\n",
7077                         op1, op1, handler->oname,
7078                         handler->count, handler->count);
7079         }
7080     }
7081 #endif
7082 }
7083 
7084 /*****************************************************************************/
7085 void gen_intermediate_code(CPUPPCState *env, struct TranslationBlock *tb)
7086 {
7087     PowerPCCPU *cpu = ppc_env_get_cpu(env);
7088     CPUState *cs = CPU(cpu);
7089     DisasContext ctx, *ctxp = &ctx;
7090     opc_handler_t **table, *handler;
7091     target_ulong pc_start;
7092     int num_insns;
7093     int max_insns;
7094 
7095     pc_start = tb->pc;
7096     ctx.nip = pc_start;
7097     ctx.tb = tb;
7098     ctx.exception = POWERPC_EXCP_NONE;
7099     ctx.spr_cb = env->spr_cb;
7100     ctx.pr = msr_pr;
7101     ctx.mem_idx = env->dmmu_idx;
7102     ctx.dr = msr_dr;
7103 #if !defined(CONFIG_USER_ONLY)
7104     ctx.hv = msr_hv || !env->has_hv_mode;
7105 #endif
7106     ctx.insns_flags = env->insns_flags;
7107     ctx.insns_flags2 = env->insns_flags2;
7108     ctx.access_type = -1;
7109     ctx.need_access_type = !(env->mmu_model & POWERPC_MMU_64B);
7110     ctx.le_mode = !!(env->hflags & (1 << MSR_LE));
7111     ctx.default_tcg_memop_mask = ctx.le_mode ? MO_LE : MO_BE;
7112 #if defined(TARGET_PPC64)
7113     ctx.sf_mode = msr_is_64bit(env, env->msr);
7114     ctx.has_cfar = !!(env->flags & POWERPC_FLAG_CFAR);
7115 #endif
7116     if (env->mmu_model == POWERPC_MMU_32B ||
7117         env->mmu_model == POWERPC_MMU_601 ||
7118         (env->mmu_model & POWERPC_MMU_64B))
7119             ctx.lazy_tlb_flush = true;
7120 
7121     ctx.fpu_enabled = !!msr_fp;
7122     if ((env->flags & POWERPC_FLAG_SPE) && msr_spe)
7123         ctx.spe_enabled = !!msr_spe;
7124     else
7125         ctx.spe_enabled = false;
7126     if ((env->flags & POWERPC_FLAG_VRE) && msr_vr)
7127         ctx.altivec_enabled = !!msr_vr;
7128     else
7129         ctx.altivec_enabled = false;
7130     if ((env->flags & POWERPC_FLAG_VSX) && msr_vsx) {
7131         ctx.vsx_enabled = !!msr_vsx;
7132     } else {
7133         ctx.vsx_enabled = false;
7134     }
7135 #if defined(TARGET_PPC64)
7136     if ((env->flags & POWERPC_FLAG_TM) && msr_tm) {
7137         ctx.tm_enabled = !!msr_tm;
7138     } else {
7139         ctx.tm_enabled = false;
7140     }
7141 #endif
7142     if ((env->flags & POWERPC_FLAG_SE) && msr_se)
7143         ctx.singlestep_enabled = CPU_SINGLE_STEP;
7144     else
7145         ctx.singlestep_enabled = 0;
7146     if ((env->flags & POWERPC_FLAG_BE) && msr_be)
7147         ctx.singlestep_enabled |= CPU_BRANCH_STEP;
7148     if (unlikely(cs->singlestep_enabled)) {
7149         ctx.singlestep_enabled |= GDBSTUB_SINGLE_STEP;
7150     }
7151 #if defined (DO_SINGLE_STEP) && 0
7152     /* Single step trace mode */
7153     msr_se = 1;
7154 #endif
7155     num_insns = 0;
7156     max_insns = tb->cflags & CF_COUNT_MASK;
7157     if (max_insns == 0) {
7158         max_insns = CF_COUNT_MASK;
7159     }
7160     if (max_insns > TCG_MAX_INSNS) {
7161         max_insns = TCG_MAX_INSNS;
7162     }
7163 
7164     gen_tb_start(tb);
7165     tcg_clear_temp_count();
7166     /* Set env in case of segfault during code fetch */
7167     while (ctx.exception == POWERPC_EXCP_NONE && !tcg_op_buf_full()) {
7168         tcg_gen_insn_start(ctx.nip);
7169         num_insns++;
7170 
7171         if (unlikely(cpu_breakpoint_test(cs, ctx.nip, BP_ANY))) {
7172             gen_debug_exception(ctxp);
7173             /* The address covered by the breakpoint must be included in
7174                [tb->pc, tb->pc + tb->size) in order to for it to be
7175                properly cleared -- thus we increment the PC here so that
7176                the logic setting tb->size below does the right thing.  */
7177             ctx.nip += 4;
7178             break;
7179         }
7180 
7181         LOG_DISAS("----------------\n");
7182         LOG_DISAS("nip=" TARGET_FMT_lx " super=%d ir=%d\n",
7183                   ctx.nip, ctx.mem_idx, (int)msr_ir);
7184         if (num_insns == max_insns && (tb->cflags & CF_LAST_IO))
7185             gen_io_start();
7186         if (unlikely(need_byteswap(&ctx))) {
7187             ctx.opcode = bswap32(cpu_ldl_code(env, ctx.nip));
7188         } else {
7189             ctx.opcode = cpu_ldl_code(env, ctx.nip);
7190         }
7191         LOG_DISAS("translate opcode %08x (%02x %02x %02x %02x) (%s)\n",
7192                   ctx.opcode, opc1(ctx.opcode), opc2(ctx.opcode),
7193                   opc3(ctx.opcode), opc4(ctx.opcode),
7194                   ctx.le_mode ? "little" : "big");
7195         ctx.nip += 4;
7196         table = env->opcodes;
7197         handler = table[opc1(ctx.opcode)];
7198         if (is_indirect_opcode(handler)) {
7199             table = ind_table(handler);
7200             handler = table[opc2(ctx.opcode)];
7201             if (is_indirect_opcode(handler)) {
7202                 table = ind_table(handler);
7203                 handler = table[opc3(ctx.opcode)];
7204                 if (is_indirect_opcode(handler)) {
7205                     table = ind_table(handler);
7206                     handler = table[opc4(ctx.opcode)];
7207                 }
7208             }
7209         }
7210         /* Is opcode *REALLY* valid ? */
7211         if (unlikely(handler->handler == &gen_invalid)) {
7212             qemu_log_mask(LOG_GUEST_ERROR, "invalid/unsupported opcode: "
7213                           "%02x - %02x - %02x - %02x (%08x) "
7214                           TARGET_FMT_lx " %d\n",
7215                           opc1(ctx.opcode), opc2(ctx.opcode),
7216                           opc3(ctx.opcode), opc4(ctx.opcode),
7217                           ctx.opcode, ctx.nip - 4, (int)msr_ir);
7218         } else {
7219             uint32_t inval;
7220 
7221             if (unlikely(handler->type & (PPC_SPE | PPC_SPE_SINGLE | PPC_SPE_DOUBLE) && Rc(ctx.opcode))) {
7222                 inval = handler->inval2;
7223             } else {
7224                 inval = handler->inval1;
7225             }
7226 
7227             if (unlikely((ctx.opcode & inval) != 0)) {
7228                 qemu_log_mask(LOG_GUEST_ERROR, "invalid bits: %08x for opcode: "
7229                               "%02x - %02x - %02x - %02x (%08x) "
7230                               TARGET_FMT_lx "\n", ctx.opcode & inval,
7231                               opc1(ctx.opcode), opc2(ctx.opcode),
7232                               opc3(ctx.opcode), opc4(ctx.opcode),
7233                               ctx.opcode, ctx.nip - 4);
7234                 gen_inval_exception(ctxp, POWERPC_EXCP_INVAL_INVAL);
7235                 break;
7236             }
7237         }
7238         (*(handler->handler))(&ctx);
7239 #if defined(DO_PPC_STATISTICS)
7240         handler->count++;
7241 #endif
7242         /* Check trace mode exceptions */
7243         if (unlikely(ctx.singlestep_enabled & CPU_SINGLE_STEP &&
7244                      (ctx.nip <= 0x100 || ctx.nip > 0xF00) &&
7245                      ctx.exception != POWERPC_SYSCALL &&
7246                      ctx.exception != POWERPC_EXCP_TRAP &&
7247                      ctx.exception != POWERPC_EXCP_BRANCH)) {
7248             gen_exception_nip(ctxp, POWERPC_EXCP_TRACE, ctx.nip);
7249         } else if (unlikely(((ctx.nip & (TARGET_PAGE_SIZE - 1)) == 0) ||
7250                             (cs->singlestep_enabled) ||
7251                             singlestep ||
7252                             num_insns >= max_insns)) {
7253             /* if we reach a page boundary or are single stepping, stop
7254              * generation
7255              */
7256             break;
7257         }
7258         if (tcg_check_temp_count()) {
7259             fprintf(stderr, "Opcode %02x %02x %02x %02x (%08x) leaked "
7260                     "temporaries\n", opc1(ctx.opcode), opc2(ctx.opcode),
7261                     opc3(ctx.opcode), opc4(ctx.opcode), ctx.opcode);
7262             exit(1);
7263         }
7264     }
7265     if (tb->cflags & CF_LAST_IO)
7266         gen_io_end();
7267     if (ctx.exception == POWERPC_EXCP_NONE) {
7268         gen_goto_tb(&ctx, 0, ctx.nip);
7269     } else if (ctx.exception != POWERPC_EXCP_BRANCH) {
7270         if (unlikely(cs->singlestep_enabled)) {
7271             gen_debug_exception(ctxp);
7272         }
7273         /* Generate the return instruction */
7274         tcg_gen_exit_tb(0);
7275     }
7276     gen_tb_end(tb, num_insns);
7277 
7278     tb->size = ctx.nip - pc_start;
7279     tb->icount = num_insns;
7280 
7281 #if defined(DEBUG_DISAS)
7282     if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)
7283         && qemu_log_in_addr_range(pc_start)) {
7284         int flags;
7285         flags = env->bfd_mach;
7286         flags |= ctx.le_mode << 16;
7287         qemu_log_lock();
7288         qemu_log("IN: %s\n", lookup_symbol(pc_start));
7289         log_target_disas(cs, pc_start, ctx.nip - pc_start, flags);
7290         qemu_log("\n");
7291         qemu_log_unlock();
7292     }
7293 #endif
7294 }
7295 
7296 void restore_state_to_opc(CPUPPCState *env, TranslationBlock *tb,
7297                           target_ulong *data)
7298 {
7299     env->nip = data[0];
7300 }
7301