xref: /openbmc/qemu/target/ppc/translate.c (revision 10df8ff1)
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/translator.h"
35 #include "exec/log.h"
36 #include "qemu/atomic128.h"
37 
38 
39 #define CPU_SINGLE_STEP 0x1
40 #define CPU_BRANCH_STEP 0x2
41 #define GDBSTUB_SINGLE_STEP 0x4
42 
43 /* Include definitions for instructions classes and implementations flags */
44 //#define PPC_DEBUG_DISAS
45 //#define DO_PPC_STATISTICS
46 
47 #ifdef PPC_DEBUG_DISAS
48 #  define LOG_DISAS(...) qemu_log_mask(CPU_LOG_TB_IN_ASM, ## __VA_ARGS__)
49 #else
50 #  define LOG_DISAS(...) do { } while (0)
51 #endif
52 /*****************************************************************************/
53 /* Code translation helpers                                                  */
54 
55 /* global register indexes */
56 static char cpu_reg_names[10*3 + 22*4 /* GPR */
57     + 10*4 + 22*5 /* SPE GPRh */
58     + 8*5 /* CRF */];
59 static TCGv cpu_gpr[32];
60 static TCGv cpu_gprh[32];
61 static TCGv_i32 cpu_crf[8];
62 static TCGv cpu_nip;
63 static TCGv cpu_msr;
64 static TCGv cpu_ctr;
65 static TCGv cpu_lr;
66 #if defined(TARGET_PPC64)
67 static TCGv cpu_cfar;
68 #endif
69 static TCGv cpu_xer, cpu_so, cpu_ov, cpu_ca, cpu_ov32, cpu_ca32;
70 static TCGv cpu_reserve;
71 static TCGv cpu_reserve_val;
72 static TCGv cpu_fpscr;
73 static TCGv_i32 cpu_access_type;
74 
75 #include "exec/gen-icount.h"
76 
77 void ppc_translate_init(void)
78 {
79     int i;
80     char* p;
81     size_t cpu_reg_names_size;
82 
83     p = cpu_reg_names;
84     cpu_reg_names_size = sizeof(cpu_reg_names);
85 
86     for (i = 0; i < 8; i++) {
87         snprintf(p, cpu_reg_names_size, "crf%d", i);
88         cpu_crf[i] = tcg_global_mem_new_i32(cpu_env,
89                                             offsetof(CPUPPCState, crf[i]), p);
90         p += 5;
91         cpu_reg_names_size -= 5;
92     }
93 
94     for (i = 0; i < 32; i++) {
95         snprintf(p, cpu_reg_names_size, "r%d", i);
96         cpu_gpr[i] = tcg_global_mem_new(cpu_env,
97                                         offsetof(CPUPPCState, gpr[i]), p);
98         p += (i < 10) ? 3 : 4;
99         cpu_reg_names_size -= (i < 10) ? 3 : 4;
100         snprintf(p, cpu_reg_names_size, "r%dH", i);
101         cpu_gprh[i] = tcg_global_mem_new(cpu_env,
102                                          offsetof(CPUPPCState, gprh[i]), p);
103         p += (i < 10) ? 4 : 5;
104         cpu_reg_names_size -= (i < 10) ? 4 : 5;
105     }
106 
107     cpu_nip = tcg_global_mem_new(cpu_env,
108                                  offsetof(CPUPPCState, nip), "nip");
109 
110     cpu_msr = tcg_global_mem_new(cpu_env,
111                                  offsetof(CPUPPCState, msr), "msr");
112 
113     cpu_ctr = tcg_global_mem_new(cpu_env,
114                                  offsetof(CPUPPCState, ctr), "ctr");
115 
116     cpu_lr = tcg_global_mem_new(cpu_env,
117                                 offsetof(CPUPPCState, lr), "lr");
118 
119 #if defined(TARGET_PPC64)
120     cpu_cfar = tcg_global_mem_new(cpu_env,
121                                   offsetof(CPUPPCState, cfar), "cfar");
122 #endif
123 
124     cpu_xer = tcg_global_mem_new(cpu_env,
125                                  offsetof(CPUPPCState, xer), "xer");
126     cpu_so = tcg_global_mem_new(cpu_env,
127                                 offsetof(CPUPPCState, so), "SO");
128     cpu_ov = tcg_global_mem_new(cpu_env,
129                                 offsetof(CPUPPCState, ov), "OV");
130     cpu_ca = tcg_global_mem_new(cpu_env,
131                                 offsetof(CPUPPCState, ca), "CA");
132     cpu_ov32 = tcg_global_mem_new(cpu_env,
133                                   offsetof(CPUPPCState, ov32), "OV32");
134     cpu_ca32 = tcg_global_mem_new(cpu_env,
135                                   offsetof(CPUPPCState, ca32), "CA32");
136 
137     cpu_reserve = tcg_global_mem_new(cpu_env,
138                                      offsetof(CPUPPCState, reserve_addr),
139                                      "reserve_addr");
140     cpu_reserve_val = tcg_global_mem_new(cpu_env,
141                                      offsetof(CPUPPCState, reserve_val),
142                                      "reserve_val");
143 
144     cpu_fpscr = tcg_global_mem_new(cpu_env,
145                                    offsetof(CPUPPCState, fpscr), "fpscr");
146 
147     cpu_access_type = tcg_global_mem_new_i32(cpu_env,
148                                              offsetof(CPUPPCState, access_type), "access_type");
149 }
150 
151 /* internal defines */
152 struct DisasContext {
153     DisasContextBase base;
154     uint32_t opcode;
155     uint32_t exception;
156     /* Routine used to access memory */
157     bool pr, hv, dr, le_mode;
158     bool lazy_tlb_flush;
159     bool need_access_type;
160     int mem_idx;
161     int access_type;
162     /* Translation flags */
163     TCGMemOp default_tcg_memop_mask;
164 #if defined(TARGET_PPC64)
165     bool sf_mode;
166     bool has_cfar;
167 #endif
168     bool fpu_enabled;
169     bool altivec_enabled;
170     bool vsx_enabled;
171     bool spe_enabled;
172     bool tm_enabled;
173     bool gtse;
174     ppc_spr_t *spr_cb; /* Needed to check rights for mfspr/mtspr */
175     int singlestep_enabled;
176     uint32_t flags;
177     uint64_t insns_flags;
178     uint64_t insns_flags2;
179 };
180 
181 /* Return true iff byteswap is needed in a scalar memop */
182 static inline bool need_byteswap(const DisasContext *ctx)
183 {
184 #if defined(TARGET_WORDS_BIGENDIAN)
185      return ctx->le_mode;
186 #else
187      return !ctx->le_mode;
188 #endif
189 }
190 
191 /* True when active word size < size of target_long.  */
192 #ifdef TARGET_PPC64
193 # define NARROW_MODE(C)  (!(C)->sf_mode)
194 #else
195 # define NARROW_MODE(C)  0
196 #endif
197 
198 struct opc_handler_t {
199     /* invalid bits for instruction 1 (Rc(opcode) == 0) */
200     uint32_t inval1;
201     /* invalid bits for instruction 2 (Rc(opcode) == 1) */
202     uint32_t inval2;
203     /* instruction type */
204     uint64_t type;
205     /* extended instruction type */
206     uint64_t type2;
207     /* handler */
208     void (*handler)(DisasContext *ctx);
209 #if defined(DO_PPC_STATISTICS) || defined(PPC_DUMP_CPU)
210     const char *oname;
211 #endif
212 #if defined(DO_PPC_STATISTICS)
213     uint64_t count;
214 #endif
215 };
216 
217 /* SPR load/store helpers */
218 static inline void gen_load_spr(TCGv t, int reg)
219 {
220     tcg_gen_ld_tl(t, cpu_env, offsetof(CPUPPCState, spr[reg]));
221 }
222 
223 static inline void gen_store_spr(int reg, TCGv t)
224 {
225     tcg_gen_st_tl(t, cpu_env, offsetof(CPUPPCState, spr[reg]));
226 }
227 
228 static inline void gen_set_access_type(DisasContext *ctx, int access_type)
229 {
230     if (ctx->need_access_type && ctx->access_type != access_type) {
231         tcg_gen_movi_i32(cpu_access_type, access_type);
232         ctx->access_type = access_type;
233     }
234 }
235 
236 static inline void gen_update_nip(DisasContext *ctx, target_ulong nip)
237 {
238     if (NARROW_MODE(ctx)) {
239         nip = (uint32_t)nip;
240     }
241     tcg_gen_movi_tl(cpu_nip, nip);
242 }
243 
244 static void gen_exception_err(DisasContext *ctx, uint32_t excp, uint32_t error)
245 {
246     TCGv_i32 t0, t1;
247 
248     /* These are all synchronous exceptions, we set the PC back to
249      * the faulting instruction
250      */
251     if (ctx->exception == POWERPC_EXCP_NONE) {
252         gen_update_nip(ctx, ctx->base.pc_next - 4);
253     }
254     t0 = tcg_const_i32(excp);
255     t1 = tcg_const_i32(error);
256     gen_helper_raise_exception_err(cpu_env, t0, t1);
257     tcg_temp_free_i32(t0);
258     tcg_temp_free_i32(t1);
259     ctx->exception = (excp);
260 }
261 
262 static void gen_exception(DisasContext *ctx, uint32_t excp)
263 {
264     TCGv_i32 t0;
265 
266     /* These are all synchronous exceptions, we set the PC back to
267      * the faulting instruction
268      */
269     if (ctx->exception == POWERPC_EXCP_NONE) {
270         gen_update_nip(ctx, ctx->base.pc_next - 4);
271     }
272     t0 = tcg_const_i32(excp);
273     gen_helper_raise_exception(cpu_env, t0);
274     tcg_temp_free_i32(t0);
275     ctx->exception = (excp);
276 }
277 
278 static void gen_exception_nip(DisasContext *ctx, uint32_t excp,
279                               target_ulong nip)
280 {
281     TCGv_i32 t0;
282 
283     gen_update_nip(ctx, nip);
284     t0 = tcg_const_i32(excp);
285     gen_helper_raise_exception(cpu_env, t0);
286     tcg_temp_free_i32(t0);
287     ctx->exception = (excp);
288 }
289 
290 /* Translates the EXCP_TRACE/BRANCH exceptions used on most PowerPCs to
291  * EXCP_DEBUG, if we are running on cores using the debug enable bit (e.g.
292  * BookE).
293  */
294 static uint32_t gen_prep_dbgex(DisasContext *ctx, uint32_t excp)
295 {
296     if ((ctx->singlestep_enabled & CPU_SINGLE_STEP)
297         && (excp == POWERPC_EXCP_BRANCH)) {
298         /* Trace excpt. has priority */
299         excp = POWERPC_EXCP_TRACE;
300     }
301     if (ctx->flags & POWERPC_FLAG_DE) {
302         target_ulong dbsr = 0;
303         switch (excp) {
304         case POWERPC_EXCP_TRACE:
305             dbsr = DBCR0_ICMP;
306             break;
307         case POWERPC_EXCP_BRANCH:
308             dbsr = DBCR0_BRT;
309             break;
310         }
311         TCGv t0 = tcg_temp_new();
312         gen_load_spr(t0, SPR_BOOKE_DBSR);
313         tcg_gen_ori_tl(t0, t0, dbsr);
314         gen_store_spr(SPR_BOOKE_DBSR, t0);
315         tcg_temp_free(t0);
316         return POWERPC_EXCP_DEBUG;
317     } else {
318         return excp;
319     }
320 }
321 
322 static void gen_debug_exception(DisasContext *ctx)
323 {
324     TCGv_i32 t0;
325 
326     /* These are all synchronous exceptions, we set the PC back to
327      * the faulting instruction
328      */
329     if ((ctx->exception != POWERPC_EXCP_BRANCH) &&
330         (ctx->exception != POWERPC_EXCP_SYNC)) {
331         gen_update_nip(ctx, ctx->base.pc_next);
332     }
333     t0 = tcg_const_i32(EXCP_DEBUG);
334     gen_helper_raise_exception(cpu_env, t0);
335     tcg_temp_free_i32(t0);
336 }
337 
338 static inline void gen_inval_exception(DisasContext *ctx, uint32_t error)
339 {
340     /* Will be converted to program check if needed */
341     gen_exception_err(ctx, POWERPC_EXCP_HV_EMU, POWERPC_EXCP_INVAL | error);
342 }
343 
344 static inline void gen_priv_exception(DisasContext *ctx, uint32_t error)
345 {
346     gen_exception_err(ctx, POWERPC_EXCP_PROGRAM, POWERPC_EXCP_PRIV | error);
347 }
348 
349 static inline void gen_hvpriv_exception(DisasContext *ctx, uint32_t error)
350 {
351     /* Will be converted to program check if needed */
352     gen_exception_err(ctx, POWERPC_EXCP_HV_EMU, POWERPC_EXCP_PRIV | error);
353 }
354 
355 /* Stop translation */
356 static inline void gen_stop_exception(DisasContext *ctx)
357 {
358     gen_update_nip(ctx, ctx->base.pc_next);
359     ctx->exception = POWERPC_EXCP_STOP;
360 }
361 
362 #ifndef CONFIG_USER_ONLY
363 /* No need to update nip here, as execution flow will change */
364 static inline void gen_sync_exception(DisasContext *ctx)
365 {
366     ctx->exception = POWERPC_EXCP_SYNC;
367 }
368 #endif
369 
370 #define GEN_HANDLER(name, opc1, opc2, opc3, inval, type)                      \
371 GEN_OPCODE(name, opc1, opc2, opc3, inval, type, PPC_NONE)
372 
373 #define GEN_HANDLER_E(name, opc1, opc2, opc3, inval, type, type2)             \
374 GEN_OPCODE(name, opc1, opc2, opc3, inval, type, type2)
375 
376 #define GEN_HANDLER2(name, onam, opc1, opc2, opc3, inval, type)               \
377 GEN_OPCODE2(name, onam, opc1, opc2, opc3, inval, type, PPC_NONE)
378 
379 #define GEN_HANDLER2_E(name, onam, opc1, opc2, opc3, inval, type, type2)      \
380 GEN_OPCODE2(name, onam, opc1, opc2, opc3, inval, type, type2)
381 
382 #define GEN_HANDLER_E_2(name, opc1, opc2, opc3, opc4, inval, type, type2)     \
383 GEN_OPCODE3(name, opc1, opc2, opc3, opc4, inval, type, type2)
384 
385 #define GEN_HANDLER2_E_2(name, onam, opc1, opc2, opc3, opc4, inval, typ, typ2) \
386 GEN_OPCODE4(name, onam, opc1, opc2, opc3, opc4, inval, typ, typ2)
387 
388 typedef struct opcode_t {
389     unsigned char opc1, opc2, opc3, opc4;
390 #if HOST_LONG_BITS == 64 /* Explicitly align to 64 bits */
391     unsigned char pad[4];
392 #endif
393     opc_handler_t handler;
394     const char *oname;
395 } opcode_t;
396 
397 /* Helpers for priv. check */
398 #define GEN_PRIV                                                \
399     do {                                                        \
400         gen_priv_exception(ctx, POWERPC_EXCP_PRIV_OPC); return; \
401     } while (0)
402 
403 #if defined(CONFIG_USER_ONLY)
404 #define CHK_HV GEN_PRIV
405 #define CHK_SV GEN_PRIV
406 #define CHK_HVRM GEN_PRIV
407 #else
408 #define CHK_HV                                                          \
409     do {                                                                \
410         if (unlikely(ctx->pr || !ctx->hv)) {                            \
411             GEN_PRIV;                                                   \
412         }                                                               \
413     } while (0)
414 #define CHK_SV                   \
415     do {                         \
416         if (unlikely(ctx->pr)) { \
417             GEN_PRIV;            \
418         }                        \
419     } while (0)
420 #define CHK_HVRM                                            \
421     do {                                                    \
422         if (unlikely(ctx->pr || !ctx->hv || ctx->dr)) {     \
423             GEN_PRIV;                                       \
424         }                                                   \
425     } while (0)
426 #endif
427 
428 #define CHK_NONE
429 
430 /*****************************************************************************/
431 /* PowerPC instructions table                                                */
432 
433 #if defined(DO_PPC_STATISTICS)
434 #define GEN_OPCODE(name, op1, op2, op3, invl, _typ, _typ2)                    \
435 {                                                                             \
436     .opc1 = op1,                                                              \
437     .opc2 = op2,                                                              \
438     .opc3 = op3,                                                              \
439     .opc4 = 0xff,                                                             \
440     .handler = {                                                              \
441         .inval1  = invl,                                                      \
442         .type = _typ,                                                         \
443         .type2 = _typ2,                                                       \
444         .handler = &gen_##name,                                               \
445         .oname = stringify(name),                                             \
446     },                                                                        \
447     .oname = stringify(name),                                                 \
448 }
449 #define GEN_OPCODE_DUAL(name, op1, op2, op3, invl1, invl2, _typ, _typ2)       \
450 {                                                                             \
451     .opc1 = op1,                                                              \
452     .opc2 = op2,                                                              \
453     .opc3 = op3,                                                              \
454     .opc4 = 0xff,                                                             \
455     .handler = {                                                              \
456         .inval1  = invl1,                                                     \
457         .inval2  = invl2,                                                     \
458         .type = _typ,                                                         \
459         .type2 = _typ2,                                                       \
460         .handler = &gen_##name,                                               \
461         .oname = stringify(name),                                             \
462     },                                                                        \
463     .oname = stringify(name),                                                 \
464 }
465 #define GEN_OPCODE2(name, onam, op1, op2, op3, invl, _typ, _typ2)             \
466 {                                                                             \
467     .opc1 = op1,                                                              \
468     .opc2 = op2,                                                              \
469     .opc3 = op3,                                                              \
470     .opc4 = 0xff,                                                             \
471     .handler = {                                                              \
472         .inval1  = invl,                                                      \
473         .type = _typ,                                                         \
474         .type2 = _typ2,                                                       \
475         .handler = &gen_##name,                                               \
476         .oname = onam,                                                        \
477     },                                                                        \
478     .oname = onam,                                                            \
479 }
480 #define GEN_OPCODE3(name, op1, op2, op3, op4, invl, _typ, _typ2)              \
481 {                                                                             \
482     .opc1 = op1,                                                              \
483     .opc2 = op2,                                                              \
484     .opc3 = op3,                                                              \
485     .opc4 = op4,                                                              \
486     .handler = {                                                              \
487         .inval1  = invl,                                                      \
488         .type = _typ,                                                         \
489         .type2 = _typ2,                                                       \
490         .handler = &gen_##name,                                               \
491         .oname = stringify(name),                                             \
492     },                                                                        \
493     .oname = stringify(name),                                                 \
494 }
495 #define GEN_OPCODE4(name, onam, op1, op2, op3, op4, invl, _typ, _typ2)        \
496 {                                                                             \
497     .opc1 = op1,                                                              \
498     .opc2 = op2,                                                              \
499     .opc3 = op3,                                                              \
500     .opc4 = op4,                                                              \
501     .handler = {                                                              \
502         .inval1  = invl,                                                      \
503         .type = _typ,                                                         \
504         .type2 = _typ2,                                                       \
505         .handler = &gen_##name,                                               \
506         .oname = onam,                                                        \
507     },                                                                        \
508     .oname = onam,                                                            \
509 }
510 #else
511 #define GEN_OPCODE(name, op1, op2, op3, invl, _typ, _typ2)                    \
512 {                                                                             \
513     .opc1 = op1,                                                              \
514     .opc2 = op2,                                                              \
515     .opc3 = op3,                                                              \
516     .opc4 = 0xff,                                                             \
517     .handler = {                                                              \
518         .inval1  = invl,                                                      \
519         .type = _typ,                                                         \
520         .type2 = _typ2,                                                       \
521         .handler = &gen_##name,                                               \
522     },                                                                        \
523     .oname = stringify(name),                                                 \
524 }
525 #define GEN_OPCODE_DUAL(name, op1, op2, op3, invl1, invl2, _typ, _typ2)       \
526 {                                                                             \
527     .opc1 = op1,                                                              \
528     .opc2 = op2,                                                              \
529     .opc3 = op3,                                                              \
530     .opc4 = 0xff,                                                             \
531     .handler = {                                                              \
532         .inval1  = invl1,                                                     \
533         .inval2  = invl2,                                                     \
534         .type = _typ,                                                         \
535         .type2 = _typ2,                                                       \
536         .handler = &gen_##name,                                               \
537     },                                                                        \
538     .oname = stringify(name),                                                 \
539 }
540 #define GEN_OPCODE2(name, onam, op1, op2, op3, invl, _typ, _typ2)             \
541 {                                                                             \
542     .opc1 = op1,                                                              \
543     .opc2 = op2,                                                              \
544     .opc3 = op3,                                                              \
545     .opc4 = 0xff,                                                             \
546     .handler = {                                                              \
547         .inval1  = invl,                                                      \
548         .type = _typ,                                                         \
549         .type2 = _typ2,                                                       \
550         .handler = &gen_##name,                                               \
551     },                                                                        \
552     .oname = onam,                                                            \
553 }
554 #define GEN_OPCODE3(name, op1, op2, op3, op4, invl, _typ, _typ2)              \
555 {                                                                             \
556     .opc1 = op1,                                                              \
557     .opc2 = op2,                                                              \
558     .opc3 = op3,                                                              \
559     .opc4 = op4,                                                              \
560     .handler = {                                                              \
561         .inval1  = invl,                                                      \
562         .type = _typ,                                                         \
563         .type2 = _typ2,                                                       \
564         .handler = &gen_##name,                                               \
565     },                                                                        \
566     .oname = stringify(name),                                                 \
567 }
568 #define GEN_OPCODE4(name, onam, op1, op2, op3, op4, invl, _typ, _typ2)        \
569 {                                                                             \
570     .opc1 = op1,                                                              \
571     .opc2 = op2,                                                              \
572     .opc3 = op3,                                                              \
573     .opc4 = op4,                                                              \
574     .handler = {                                                              \
575         .inval1  = invl,                                                      \
576         .type = _typ,                                                         \
577         .type2 = _typ2,                                                       \
578         .handler = &gen_##name,                                               \
579     },                                                                        \
580     .oname = onam,                                                            \
581 }
582 #endif
583 
584 /* Invalid instruction */
585 static void gen_invalid(DisasContext *ctx)
586 {
587     gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
588 }
589 
590 static opc_handler_t invalid_handler = {
591     .inval1  = 0xFFFFFFFF,
592     .inval2  = 0xFFFFFFFF,
593     .type    = PPC_NONE,
594     .type2   = PPC_NONE,
595     .handler = gen_invalid,
596 };
597 
598 /***                           Integer comparison                          ***/
599 
600 static inline void gen_op_cmp(TCGv arg0, TCGv arg1, int s, int crf)
601 {
602     TCGv t0 = tcg_temp_new();
603     TCGv t1 = tcg_temp_new();
604     TCGv_i32 t = tcg_temp_new_i32();
605 
606     tcg_gen_movi_tl(t0, CRF_EQ);
607     tcg_gen_movi_tl(t1, CRF_LT);
608     tcg_gen_movcond_tl((s ? TCG_COND_LT : TCG_COND_LTU), t0, arg0, arg1, t1, t0);
609     tcg_gen_movi_tl(t1, CRF_GT);
610     tcg_gen_movcond_tl((s ? TCG_COND_GT : TCG_COND_GTU), t0, arg0, arg1, t1, t0);
611 
612     tcg_gen_trunc_tl_i32(t, t0);
613     tcg_gen_trunc_tl_i32(cpu_crf[crf], cpu_so);
614     tcg_gen_or_i32(cpu_crf[crf], cpu_crf[crf], t);
615 
616     tcg_temp_free(t0);
617     tcg_temp_free(t1);
618     tcg_temp_free_i32(t);
619 }
620 
621 static inline void gen_op_cmpi(TCGv arg0, target_ulong arg1, int s, int crf)
622 {
623     TCGv t0 = tcg_const_tl(arg1);
624     gen_op_cmp(arg0, t0, s, crf);
625     tcg_temp_free(t0);
626 }
627 
628 static inline void gen_op_cmp32(TCGv arg0, TCGv arg1, int s, int crf)
629 {
630     TCGv t0, t1;
631     t0 = tcg_temp_new();
632     t1 = tcg_temp_new();
633     if (s) {
634         tcg_gen_ext32s_tl(t0, arg0);
635         tcg_gen_ext32s_tl(t1, arg1);
636     } else {
637         tcg_gen_ext32u_tl(t0, arg0);
638         tcg_gen_ext32u_tl(t1, arg1);
639     }
640     gen_op_cmp(t0, t1, s, crf);
641     tcg_temp_free(t1);
642     tcg_temp_free(t0);
643 }
644 
645 static inline void gen_op_cmpi32(TCGv arg0, target_ulong arg1, int s, int crf)
646 {
647     TCGv t0 = tcg_const_tl(arg1);
648     gen_op_cmp32(arg0, t0, s, crf);
649     tcg_temp_free(t0);
650 }
651 
652 static inline void gen_set_Rc0(DisasContext *ctx, TCGv reg)
653 {
654     if (NARROW_MODE(ctx)) {
655         gen_op_cmpi32(reg, 0, 1, 0);
656     } else {
657         gen_op_cmpi(reg, 0, 1, 0);
658     }
659 }
660 
661 /* cmp */
662 static void gen_cmp(DisasContext *ctx)
663 {
664     if ((ctx->opcode & 0x00200000) && (ctx->insns_flags & PPC_64B)) {
665         gen_op_cmp(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],
666                    1, crfD(ctx->opcode));
667     } else {
668         gen_op_cmp32(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],
669                      1, crfD(ctx->opcode));
670     }
671 }
672 
673 /* cmpi */
674 static void gen_cmpi(DisasContext *ctx)
675 {
676     if ((ctx->opcode & 0x00200000) && (ctx->insns_flags & PPC_64B)) {
677         gen_op_cmpi(cpu_gpr[rA(ctx->opcode)], SIMM(ctx->opcode),
678                     1, crfD(ctx->opcode));
679     } else {
680         gen_op_cmpi32(cpu_gpr[rA(ctx->opcode)], SIMM(ctx->opcode),
681                       1, crfD(ctx->opcode));
682     }
683 }
684 
685 /* cmpl */
686 static void gen_cmpl(DisasContext *ctx)
687 {
688     if ((ctx->opcode & 0x00200000) && (ctx->insns_flags & PPC_64B)) {
689         gen_op_cmp(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],
690                    0, crfD(ctx->opcode));
691     } else {
692         gen_op_cmp32(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],
693                      0, crfD(ctx->opcode));
694     }
695 }
696 
697 /* cmpli */
698 static void gen_cmpli(DisasContext *ctx)
699 {
700     if ((ctx->opcode & 0x00200000) && (ctx->insns_flags & PPC_64B)) {
701         gen_op_cmpi(cpu_gpr[rA(ctx->opcode)], UIMM(ctx->opcode),
702                     0, crfD(ctx->opcode));
703     } else {
704         gen_op_cmpi32(cpu_gpr[rA(ctx->opcode)], UIMM(ctx->opcode),
705                       0, crfD(ctx->opcode));
706     }
707 }
708 
709 /* cmprb - range comparison: isupper, isaplha, islower*/
710 static void gen_cmprb(DisasContext *ctx)
711 {
712     TCGv_i32 src1 = tcg_temp_new_i32();
713     TCGv_i32 src2 = tcg_temp_new_i32();
714     TCGv_i32 src2lo = tcg_temp_new_i32();
715     TCGv_i32 src2hi = tcg_temp_new_i32();
716     TCGv_i32 crf = cpu_crf[crfD(ctx->opcode)];
717 
718     tcg_gen_trunc_tl_i32(src1, cpu_gpr[rA(ctx->opcode)]);
719     tcg_gen_trunc_tl_i32(src2, cpu_gpr[rB(ctx->opcode)]);
720 
721     tcg_gen_andi_i32(src1, src1, 0xFF);
722     tcg_gen_ext8u_i32(src2lo, src2);
723     tcg_gen_shri_i32(src2, src2, 8);
724     tcg_gen_ext8u_i32(src2hi, src2);
725 
726     tcg_gen_setcond_i32(TCG_COND_LEU, src2lo, src2lo, src1);
727     tcg_gen_setcond_i32(TCG_COND_LEU, src2hi, src1, src2hi);
728     tcg_gen_and_i32(crf, src2lo, src2hi);
729 
730     if (ctx->opcode & 0x00200000) {
731         tcg_gen_shri_i32(src2, src2, 8);
732         tcg_gen_ext8u_i32(src2lo, src2);
733         tcg_gen_shri_i32(src2, src2, 8);
734         tcg_gen_ext8u_i32(src2hi, src2);
735         tcg_gen_setcond_i32(TCG_COND_LEU, src2lo, src2lo, src1);
736         tcg_gen_setcond_i32(TCG_COND_LEU, src2hi, src1, src2hi);
737         tcg_gen_and_i32(src2lo, src2lo, src2hi);
738         tcg_gen_or_i32(crf, crf, src2lo);
739     }
740     tcg_gen_shli_i32(crf, crf, CRF_GT_BIT);
741     tcg_temp_free_i32(src1);
742     tcg_temp_free_i32(src2);
743     tcg_temp_free_i32(src2lo);
744     tcg_temp_free_i32(src2hi);
745 }
746 
747 #if defined(TARGET_PPC64)
748 /* cmpeqb */
749 static void gen_cmpeqb(DisasContext *ctx)
750 {
751     gen_helper_cmpeqb(cpu_crf[crfD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
752                       cpu_gpr[rB(ctx->opcode)]);
753 }
754 #endif
755 
756 /* isel (PowerPC 2.03 specification) */
757 static void gen_isel(DisasContext *ctx)
758 {
759     uint32_t bi = rC(ctx->opcode);
760     uint32_t mask = 0x08 >> (bi & 0x03);
761     TCGv t0 = tcg_temp_new();
762     TCGv zr;
763 
764     tcg_gen_extu_i32_tl(t0, cpu_crf[bi >> 2]);
765     tcg_gen_andi_tl(t0, t0, mask);
766 
767     zr = tcg_const_tl(0);
768     tcg_gen_movcond_tl(TCG_COND_NE, cpu_gpr[rD(ctx->opcode)], t0, zr,
769                        rA(ctx->opcode) ? cpu_gpr[rA(ctx->opcode)] : zr,
770                        cpu_gpr[rB(ctx->opcode)]);
771     tcg_temp_free(zr);
772     tcg_temp_free(t0);
773 }
774 
775 /* cmpb: PowerPC 2.05 specification */
776 static void gen_cmpb(DisasContext *ctx)
777 {
778     gen_helper_cmpb(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)],
779                     cpu_gpr[rB(ctx->opcode)]);
780 }
781 
782 /***                           Integer arithmetic                          ***/
783 
784 static inline void gen_op_arith_compute_ov(DisasContext *ctx, TCGv arg0,
785                                            TCGv arg1, TCGv arg2, int sub)
786 {
787     TCGv t0 = tcg_temp_new();
788 
789     tcg_gen_xor_tl(cpu_ov, arg0, arg2);
790     tcg_gen_xor_tl(t0, arg1, arg2);
791     if (sub) {
792         tcg_gen_and_tl(cpu_ov, cpu_ov, t0);
793     } else {
794         tcg_gen_andc_tl(cpu_ov, cpu_ov, t0);
795     }
796     tcg_temp_free(t0);
797     if (NARROW_MODE(ctx)) {
798         tcg_gen_extract_tl(cpu_ov, cpu_ov, 31, 1);
799         if (is_isa300(ctx)) {
800             tcg_gen_mov_tl(cpu_ov32, cpu_ov);
801         }
802     } else {
803         if (is_isa300(ctx)) {
804             tcg_gen_extract_tl(cpu_ov32, cpu_ov, 31, 1);
805         }
806         tcg_gen_extract_tl(cpu_ov, cpu_ov, TARGET_LONG_BITS - 1, 1);
807     }
808     tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov);
809 }
810 
811 static inline void gen_op_arith_compute_ca32(DisasContext *ctx,
812                                              TCGv res, TCGv arg0, TCGv arg1,
813                                              TCGv ca32, int sub)
814 {
815     TCGv t0;
816 
817     if (!is_isa300(ctx)) {
818         return;
819     }
820 
821     t0 = tcg_temp_new();
822     if (sub) {
823         tcg_gen_eqv_tl(t0, arg0, arg1);
824     } else {
825         tcg_gen_xor_tl(t0, arg0, arg1);
826     }
827     tcg_gen_xor_tl(t0, t0, res);
828     tcg_gen_extract_tl(ca32, t0, 32, 1);
829     tcg_temp_free(t0);
830 }
831 
832 /* Common add function */
833 static inline void gen_op_arith_add(DisasContext *ctx, TCGv ret, TCGv arg1,
834                                     TCGv arg2, TCGv ca, TCGv ca32,
835                                     bool add_ca, bool compute_ca,
836                                     bool compute_ov, bool compute_rc0)
837 {
838     TCGv t0 = ret;
839 
840     if (compute_ca || compute_ov) {
841         t0 = tcg_temp_new();
842     }
843 
844     if (compute_ca) {
845         if (NARROW_MODE(ctx)) {
846             /* Caution: a non-obvious corner case of the spec is that we
847                must produce the *entire* 64-bit addition, but produce the
848                carry into bit 32.  */
849             TCGv t1 = tcg_temp_new();
850             tcg_gen_xor_tl(t1, arg1, arg2);        /* add without carry */
851             tcg_gen_add_tl(t0, arg1, arg2);
852             if (add_ca) {
853                 tcg_gen_add_tl(t0, t0, ca);
854             }
855             tcg_gen_xor_tl(ca, t0, t1);        /* bits changed w/ carry */
856             tcg_temp_free(t1);
857             tcg_gen_extract_tl(ca, ca, 32, 1);
858             if (is_isa300(ctx)) {
859                 tcg_gen_mov_tl(ca32, ca);
860             }
861         } else {
862             TCGv zero = tcg_const_tl(0);
863             if (add_ca) {
864                 tcg_gen_add2_tl(t0, ca, arg1, zero, ca, zero);
865                 tcg_gen_add2_tl(t0, ca, t0, ca, arg2, zero);
866             } else {
867                 tcg_gen_add2_tl(t0, ca, arg1, zero, arg2, zero);
868             }
869             gen_op_arith_compute_ca32(ctx, t0, arg1, arg2, ca32, 0);
870             tcg_temp_free(zero);
871         }
872     } else {
873         tcg_gen_add_tl(t0, arg1, arg2);
874         if (add_ca) {
875             tcg_gen_add_tl(t0, t0, ca);
876         }
877     }
878 
879     if (compute_ov) {
880         gen_op_arith_compute_ov(ctx, t0, arg1, arg2, 0);
881     }
882     if (unlikely(compute_rc0)) {
883         gen_set_Rc0(ctx, t0);
884     }
885 
886     if (t0 != ret) {
887         tcg_gen_mov_tl(ret, t0);
888         tcg_temp_free(t0);
889     }
890 }
891 /* Add functions with two operands */
892 #define GEN_INT_ARITH_ADD(name, opc3, ca, add_ca, compute_ca, compute_ov)     \
893 static void glue(gen_, name)(DisasContext *ctx)                               \
894 {                                                                             \
895     gen_op_arith_add(ctx, cpu_gpr[rD(ctx->opcode)],                           \
896                      cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],      \
897                      ca, glue(ca, 32),                                        \
898                      add_ca, compute_ca, compute_ov, Rc(ctx->opcode));        \
899 }
900 /* Add functions with one operand and one immediate */
901 #define GEN_INT_ARITH_ADD_CONST(name, opc3, const_val, ca,                    \
902                                 add_ca, compute_ca, compute_ov)               \
903 static void glue(gen_, name)(DisasContext *ctx)                               \
904 {                                                                             \
905     TCGv t0 = tcg_const_tl(const_val);                                        \
906     gen_op_arith_add(ctx, cpu_gpr[rD(ctx->opcode)],                           \
907                      cpu_gpr[rA(ctx->opcode)], t0,                            \
908                      ca, glue(ca, 32),                                        \
909                      add_ca, compute_ca, compute_ov, Rc(ctx->opcode));        \
910     tcg_temp_free(t0);                                                        \
911 }
912 
913 /* add  add.  addo  addo. */
914 GEN_INT_ARITH_ADD(add, 0x08, cpu_ca, 0, 0, 0)
915 GEN_INT_ARITH_ADD(addo, 0x18, cpu_ca, 0, 0, 1)
916 /* addc  addc.  addco  addco. */
917 GEN_INT_ARITH_ADD(addc, 0x00, cpu_ca, 0, 1, 0)
918 GEN_INT_ARITH_ADD(addco, 0x10, cpu_ca, 0, 1, 1)
919 /* adde  adde.  addeo  addeo. */
920 GEN_INT_ARITH_ADD(adde, 0x04, cpu_ca, 1, 1, 0)
921 GEN_INT_ARITH_ADD(addeo, 0x14, cpu_ca, 1, 1, 1)
922 /* addme  addme.  addmeo  addmeo.  */
923 GEN_INT_ARITH_ADD_CONST(addme, 0x07, -1LL, cpu_ca, 1, 1, 0)
924 GEN_INT_ARITH_ADD_CONST(addmeo, 0x17, -1LL, cpu_ca, 1, 1, 1)
925 /* addex */
926 GEN_INT_ARITH_ADD(addex, 0x05, cpu_ov, 1, 1, 0);
927 /* addze  addze.  addzeo  addzeo.*/
928 GEN_INT_ARITH_ADD_CONST(addze, 0x06, 0, cpu_ca, 1, 1, 0)
929 GEN_INT_ARITH_ADD_CONST(addzeo, 0x16, 0, cpu_ca, 1, 1, 1)
930 /* addi */
931 static void gen_addi(DisasContext *ctx)
932 {
933     target_long simm = SIMM(ctx->opcode);
934 
935     if (rA(ctx->opcode) == 0) {
936         /* li case */
937         tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], simm);
938     } else {
939         tcg_gen_addi_tl(cpu_gpr[rD(ctx->opcode)],
940                         cpu_gpr[rA(ctx->opcode)], simm);
941     }
942 }
943 /* addic  addic.*/
944 static inline void gen_op_addic(DisasContext *ctx, bool compute_rc0)
945 {
946     TCGv c = tcg_const_tl(SIMM(ctx->opcode));
947     gen_op_arith_add(ctx, cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
948                      c, cpu_ca, cpu_ca32, 0, 1, 0, compute_rc0);
949     tcg_temp_free(c);
950 }
951 
952 static void gen_addic(DisasContext *ctx)
953 {
954     gen_op_addic(ctx, 0);
955 }
956 
957 static void gen_addic_(DisasContext *ctx)
958 {
959     gen_op_addic(ctx, 1);
960 }
961 
962 /* addis */
963 static void gen_addis(DisasContext *ctx)
964 {
965     target_long simm = SIMM(ctx->opcode);
966 
967     if (rA(ctx->opcode) == 0) {
968         /* lis case */
969         tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], simm << 16);
970     } else {
971         tcg_gen_addi_tl(cpu_gpr[rD(ctx->opcode)],
972                         cpu_gpr[rA(ctx->opcode)], simm << 16);
973     }
974 }
975 
976 /* addpcis */
977 static void gen_addpcis(DisasContext *ctx)
978 {
979     target_long d = DX(ctx->opcode);
980 
981     tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], ctx->base.pc_next + (d << 16));
982 }
983 
984 static inline void gen_op_arith_divw(DisasContext *ctx, TCGv ret, TCGv arg1,
985                                      TCGv arg2, int sign, int compute_ov)
986 {
987     TCGv_i32 t0 = tcg_temp_new_i32();
988     TCGv_i32 t1 = tcg_temp_new_i32();
989     TCGv_i32 t2 = tcg_temp_new_i32();
990     TCGv_i32 t3 = tcg_temp_new_i32();
991 
992     tcg_gen_trunc_tl_i32(t0, arg1);
993     tcg_gen_trunc_tl_i32(t1, arg2);
994     if (sign) {
995         tcg_gen_setcondi_i32(TCG_COND_EQ, t2, t0, INT_MIN);
996         tcg_gen_setcondi_i32(TCG_COND_EQ, t3, t1, -1);
997         tcg_gen_and_i32(t2, t2, t3);
998         tcg_gen_setcondi_i32(TCG_COND_EQ, t3, t1, 0);
999         tcg_gen_or_i32(t2, t2, t3);
1000         tcg_gen_movi_i32(t3, 0);
1001         tcg_gen_movcond_i32(TCG_COND_NE, t1, t2, t3, t2, t1);
1002         tcg_gen_div_i32(t3, t0, t1);
1003         tcg_gen_extu_i32_tl(ret, t3);
1004     } else {
1005         tcg_gen_setcondi_i32(TCG_COND_EQ, t2, t1, 0);
1006         tcg_gen_movi_i32(t3, 0);
1007         tcg_gen_movcond_i32(TCG_COND_NE, t1, t2, t3, t2, t1);
1008         tcg_gen_divu_i32(t3, t0, t1);
1009         tcg_gen_extu_i32_tl(ret, t3);
1010     }
1011     if (compute_ov) {
1012         tcg_gen_extu_i32_tl(cpu_ov, t2);
1013         if (is_isa300(ctx)) {
1014             tcg_gen_extu_i32_tl(cpu_ov32, t2);
1015         }
1016         tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov);
1017     }
1018     tcg_temp_free_i32(t0);
1019     tcg_temp_free_i32(t1);
1020     tcg_temp_free_i32(t2);
1021     tcg_temp_free_i32(t3);
1022 
1023     if (unlikely(Rc(ctx->opcode) != 0))
1024         gen_set_Rc0(ctx, ret);
1025 }
1026 /* Div functions */
1027 #define GEN_INT_ARITH_DIVW(name, opc3, sign, compute_ov)                      \
1028 static void glue(gen_, name)(DisasContext *ctx)                                       \
1029 {                                                                             \
1030     gen_op_arith_divw(ctx, cpu_gpr[rD(ctx->opcode)],                          \
1031                      cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],      \
1032                      sign, compute_ov);                                       \
1033 }
1034 /* divwu  divwu.  divwuo  divwuo.   */
1035 GEN_INT_ARITH_DIVW(divwu, 0x0E, 0, 0);
1036 GEN_INT_ARITH_DIVW(divwuo, 0x1E, 0, 1);
1037 /* divw  divw.  divwo  divwo.   */
1038 GEN_INT_ARITH_DIVW(divw, 0x0F, 1, 0);
1039 GEN_INT_ARITH_DIVW(divwo, 0x1F, 1, 1);
1040 
1041 /* div[wd]eu[o][.] */
1042 #define GEN_DIVE(name, hlpr, compute_ov)                                      \
1043 static void gen_##name(DisasContext *ctx)                                     \
1044 {                                                                             \
1045     TCGv_i32 t0 = tcg_const_i32(compute_ov);                                  \
1046     gen_helper_##hlpr(cpu_gpr[rD(ctx->opcode)], cpu_env,                      \
1047                      cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], t0); \
1048     tcg_temp_free_i32(t0);                                                    \
1049     if (unlikely(Rc(ctx->opcode) != 0)) {                                     \
1050         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);                           \
1051     }                                                                         \
1052 }
1053 
1054 GEN_DIVE(divweu, divweu, 0);
1055 GEN_DIVE(divweuo, divweu, 1);
1056 GEN_DIVE(divwe, divwe, 0);
1057 GEN_DIVE(divweo, divwe, 1);
1058 
1059 #if defined(TARGET_PPC64)
1060 static inline void gen_op_arith_divd(DisasContext *ctx, TCGv ret, TCGv arg1,
1061                                      TCGv arg2, int sign, int compute_ov)
1062 {
1063     TCGv_i64 t0 = tcg_temp_new_i64();
1064     TCGv_i64 t1 = tcg_temp_new_i64();
1065     TCGv_i64 t2 = tcg_temp_new_i64();
1066     TCGv_i64 t3 = tcg_temp_new_i64();
1067 
1068     tcg_gen_mov_i64(t0, arg1);
1069     tcg_gen_mov_i64(t1, arg2);
1070     if (sign) {
1071         tcg_gen_setcondi_i64(TCG_COND_EQ, t2, t0, INT64_MIN);
1072         tcg_gen_setcondi_i64(TCG_COND_EQ, t3, t1, -1);
1073         tcg_gen_and_i64(t2, t2, t3);
1074         tcg_gen_setcondi_i64(TCG_COND_EQ, t3, t1, 0);
1075         tcg_gen_or_i64(t2, t2, t3);
1076         tcg_gen_movi_i64(t3, 0);
1077         tcg_gen_movcond_i64(TCG_COND_NE, t1, t2, t3, t2, t1);
1078         tcg_gen_div_i64(ret, t0, t1);
1079     } else {
1080         tcg_gen_setcondi_i64(TCG_COND_EQ, t2, t1, 0);
1081         tcg_gen_movi_i64(t3, 0);
1082         tcg_gen_movcond_i64(TCG_COND_NE, t1, t2, t3, t2, t1);
1083         tcg_gen_divu_i64(ret, t0, t1);
1084     }
1085     if (compute_ov) {
1086         tcg_gen_mov_tl(cpu_ov, t2);
1087         if (is_isa300(ctx)) {
1088             tcg_gen_mov_tl(cpu_ov32, t2);
1089         }
1090         tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov);
1091     }
1092     tcg_temp_free_i64(t0);
1093     tcg_temp_free_i64(t1);
1094     tcg_temp_free_i64(t2);
1095     tcg_temp_free_i64(t3);
1096 
1097     if (unlikely(Rc(ctx->opcode) != 0))
1098         gen_set_Rc0(ctx, ret);
1099 }
1100 
1101 #define GEN_INT_ARITH_DIVD(name, opc3, sign, compute_ov)                      \
1102 static void glue(gen_, name)(DisasContext *ctx)                                       \
1103 {                                                                             \
1104     gen_op_arith_divd(ctx, cpu_gpr[rD(ctx->opcode)],                          \
1105                       cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],     \
1106                       sign, compute_ov);                                      \
1107 }
1108 /* divdu  divdu.  divduo  divduo.   */
1109 GEN_INT_ARITH_DIVD(divdu, 0x0E, 0, 0);
1110 GEN_INT_ARITH_DIVD(divduo, 0x1E, 0, 1);
1111 /* divd  divd.  divdo  divdo.   */
1112 GEN_INT_ARITH_DIVD(divd, 0x0F, 1, 0);
1113 GEN_INT_ARITH_DIVD(divdo, 0x1F, 1, 1);
1114 
1115 GEN_DIVE(divdeu, divdeu, 0);
1116 GEN_DIVE(divdeuo, divdeu, 1);
1117 GEN_DIVE(divde, divde, 0);
1118 GEN_DIVE(divdeo, divde, 1);
1119 #endif
1120 
1121 static inline void gen_op_arith_modw(DisasContext *ctx, TCGv ret, TCGv arg1,
1122                                      TCGv arg2, int sign)
1123 {
1124     TCGv_i32 t0 = tcg_temp_new_i32();
1125     TCGv_i32 t1 = tcg_temp_new_i32();
1126 
1127     tcg_gen_trunc_tl_i32(t0, arg1);
1128     tcg_gen_trunc_tl_i32(t1, arg2);
1129     if (sign) {
1130         TCGv_i32 t2 = tcg_temp_new_i32();
1131         TCGv_i32 t3 = tcg_temp_new_i32();
1132         tcg_gen_setcondi_i32(TCG_COND_EQ, t2, t0, INT_MIN);
1133         tcg_gen_setcondi_i32(TCG_COND_EQ, t3, t1, -1);
1134         tcg_gen_and_i32(t2, t2, t3);
1135         tcg_gen_setcondi_i32(TCG_COND_EQ, t3, t1, 0);
1136         tcg_gen_or_i32(t2, t2, t3);
1137         tcg_gen_movi_i32(t3, 0);
1138         tcg_gen_movcond_i32(TCG_COND_NE, t1, t2, t3, t2, t1);
1139         tcg_gen_rem_i32(t3, t0, t1);
1140         tcg_gen_ext_i32_tl(ret, t3);
1141         tcg_temp_free_i32(t2);
1142         tcg_temp_free_i32(t3);
1143     } else {
1144         TCGv_i32 t2 = tcg_const_i32(1);
1145         TCGv_i32 t3 = tcg_const_i32(0);
1146         tcg_gen_movcond_i32(TCG_COND_EQ, t1, t1, t3, t2, t1);
1147         tcg_gen_remu_i32(t3, t0, t1);
1148         tcg_gen_extu_i32_tl(ret, t3);
1149         tcg_temp_free_i32(t2);
1150         tcg_temp_free_i32(t3);
1151     }
1152     tcg_temp_free_i32(t0);
1153     tcg_temp_free_i32(t1);
1154 }
1155 
1156 #define GEN_INT_ARITH_MODW(name, opc3, sign)                                \
1157 static void glue(gen_, name)(DisasContext *ctx)                             \
1158 {                                                                           \
1159     gen_op_arith_modw(ctx, cpu_gpr[rD(ctx->opcode)],                        \
1160                       cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],   \
1161                       sign);                                                \
1162 }
1163 
1164 GEN_INT_ARITH_MODW(moduw, 0x08, 0);
1165 GEN_INT_ARITH_MODW(modsw, 0x18, 1);
1166 
1167 #if defined(TARGET_PPC64)
1168 static inline void gen_op_arith_modd(DisasContext *ctx, TCGv ret, TCGv arg1,
1169                                      TCGv arg2, int sign)
1170 {
1171     TCGv_i64 t0 = tcg_temp_new_i64();
1172     TCGv_i64 t1 = tcg_temp_new_i64();
1173 
1174     tcg_gen_mov_i64(t0, arg1);
1175     tcg_gen_mov_i64(t1, arg2);
1176     if (sign) {
1177         TCGv_i64 t2 = tcg_temp_new_i64();
1178         TCGv_i64 t3 = tcg_temp_new_i64();
1179         tcg_gen_setcondi_i64(TCG_COND_EQ, t2, t0, INT64_MIN);
1180         tcg_gen_setcondi_i64(TCG_COND_EQ, t3, t1, -1);
1181         tcg_gen_and_i64(t2, t2, t3);
1182         tcg_gen_setcondi_i64(TCG_COND_EQ, t3, t1, 0);
1183         tcg_gen_or_i64(t2, t2, t3);
1184         tcg_gen_movi_i64(t3, 0);
1185         tcg_gen_movcond_i64(TCG_COND_NE, t1, t2, t3, t2, t1);
1186         tcg_gen_rem_i64(ret, t0, t1);
1187         tcg_temp_free_i64(t2);
1188         tcg_temp_free_i64(t3);
1189     } else {
1190         TCGv_i64 t2 = tcg_const_i64(1);
1191         TCGv_i64 t3 = tcg_const_i64(0);
1192         tcg_gen_movcond_i64(TCG_COND_EQ, t1, t1, t3, t2, t1);
1193         tcg_gen_remu_i64(ret, t0, t1);
1194         tcg_temp_free_i64(t2);
1195         tcg_temp_free_i64(t3);
1196     }
1197     tcg_temp_free_i64(t0);
1198     tcg_temp_free_i64(t1);
1199 }
1200 
1201 #define GEN_INT_ARITH_MODD(name, opc3, sign)                            \
1202 static void glue(gen_, name)(DisasContext *ctx)                           \
1203 {                                                                         \
1204   gen_op_arith_modd(ctx, cpu_gpr[rD(ctx->opcode)],                        \
1205                     cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],   \
1206                     sign);                                                \
1207 }
1208 
1209 GEN_INT_ARITH_MODD(modud, 0x08, 0);
1210 GEN_INT_ARITH_MODD(modsd, 0x18, 1);
1211 #endif
1212 
1213 /* mulhw  mulhw. */
1214 static void gen_mulhw(DisasContext *ctx)
1215 {
1216     TCGv_i32 t0 = tcg_temp_new_i32();
1217     TCGv_i32 t1 = tcg_temp_new_i32();
1218 
1219     tcg_gen_trunc_tl_i32(t0, cpu_gpr[rA(ctx->opcode)]);
1220     tcg_gen_trunc_tl_i32(t1, cpu_gpr[rB(ctx->opcode)]);
1221     tcg_gen_muls2_i32(t0, t1, t0, t1);
1222     tcg_gen_extu_i32_tl(cpu_gpr[rD(ctx->opcode)], t1);
1223     tcg_temp_free_i32(t0);
1224     tcg_temp_free_i32(t1);
1225     if (unlikely(Rc(ctx->opcode) != 0))
1226         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
1227 }
1228 
1229 /* mulhwu  mulhwu.  */
1230 static void gen_mulhwu(DisasContext *ctx)
1231 {
1232     TCGv_i32 t0 = tcg_temp_new_i32();
1233     TCGv_i32 t1 = tcg_temp_new_i32();
1234 
1235     tcg_gen_trunc_tl_i32(t0, cpu_gpr[rA(ctx->opcode)]);
1236     tcg_gen_trunc_tl_i32(t1, cpu_gpr[rB(ctx->opcode)]);
1237     tcg_gen_mulu2_i32(t0, t1, t0, t1);
1238     tcg_gen_extu_i32_tl(cpu_gpr[rD(ctx->opcode)], t1);
1239     tcg_temp_free_i32(t0);
1240     tcg_temp_free_i32(t1);
1241     if (unlikely(Rc(ctx->opcode) != 0))
1242         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
1243 }
1244 
1245 /* mullw  mullw. */
1246 static void gen_mullw(DisasContext *ctx)
1247 {
1248 #if defined(TARGET_PPC64)
1249     TCGv_i64 t0, t1;
1250     t0 = tcg_temp_new_i64();
1251     t1 = tcg_temp_new_i64();
1252     tcg_gen_ext32s_tl(t0, cpu_gpr[rA(ctx->opcode)]);
1253     tcg_gen_ext32s_tl(t1, cpu_gpr[rB(ctx->opcode)]);
1254     tcg_gen_mul_i64(cpu_gpr[rD(ctx->opcode)], t0, t1);
1255     tcg_temp_free(t0);
1256     tcg_temp_free(t1);
1257 #else
1258     tcg_gen_mul_i32(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
1259                     cpu_gpr[rB(ctx->opcode)]);
1260 #endif
1261     if (unlikely(Rc(ctx->opcode) != 0))
1262         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
1263 }
1264 
1265 /* mullwo  mullwo. */
1266 static void gen_mullwo(DisasContext *ctx)
1267 {
1268     TCGv_i32 t0 = tcg_temp_new_i32();
1269     TCGv_i32 t1 = tcg_temp_new_i32();
1270 
1271     tcg_gen_trunc_tl_i32(t0, cpu_gpr[rA(ctx->opcode)]);
1272     tcg_gen_trunc_tl_i32(t1, cpu_gpr[rB(ctx->opcode)]);
1273     tcg_gen_muls2_i32(t0, t1, t0, t1);
1274 #if defined(TARGET_PPC64)
1275     tcg_gen_concat_i32_i64(cpu_gpr[rD(ctx->opcode)], t0, t1);
1276 #else
1277     tcg_gen_mov_i32(cpu_gpr[rD(ctx->opcode)], t0);
1278 #endif
1279 
1280     tcg_gen_sari_i32(t0, t0, 31);
1281     tcg_gen_setcond_i32(TCG_COND_NE, t0, t0, t1);
1282     tcg_gen_extu_i32_tl(cpu_ov, t0);
1283     if (is_isa300(ctx)) {
1284         tcg_gen_mov_tl(cpu_ov32, cpu_ov);
1285     }
1286     tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov);
1287 
1288     tcg_temp_free_i32(t0);
1289     tcg_temp_free_i32(t1);
1290     if (unlikely(Rc(ctx->opcode) != 0))
1291         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
1292 }
1293 
1294 /* mulli */
1295 static void gen_mulli(DisasContext *ctx)
1296 {
1297     tcg_gen_muli_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
1298                     SIMM(ctx->opcode));
1299 }
1300 
1301 #if defined(TARGET_PPC64)
1302 /* mulhd  mulhd. */
1303 static void gen_mulhd(DisasContext *ctx)
1304 {
1305     TCGv lo = tcg_temp_new();
1306     tcg_gen_muls2_tl(lo, cpu_gpr[rD(ctx->opcode)],
1307                      cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
1308     tcg_temp_free(lo);
1309     if (unlikely(Rc(ctx->opcode) != 0)) {
1310         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
1311     }
1312 }
1313 
1314 /* mulhdu  mulhdu. */
1315 static void gen_mulhdu(DisasContext *ctx)
1316 {
1317     TCGv lo = tcg_temp_new();
1318     tcg_gen_mulu2_tl(lo, cpu_gpr[rD(ctx->opcode)],
1319                      cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
1320     tcg_temp_free(lo);
1321     if (unlikely(Rc(ctx->opcode) != 0)) {
1322         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
1323     }
1324 }
1325 
1326 /* mulld  mulld. */
1327 static void gen_mulld(DisasContext *ctx)
1328 {
1329     tcg_gen_mul_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
1330                    cpu_gpr[rB(ctx->opcode)]);
1331     if (unlikely(Rc(ctx->opcode) != 0))
1332         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
1333 }
1334 
1335 /* mulldo  mulldo. */
1336 static void gen_mulldo(DisasContext *ctx)
1337 {
1338     TCGv_i64 t0 = tcg_temp_new_i64();
1339     TCGv_i64 t1 = tcg_temp_new_i64();
1340 
1341     tcg_gen_muls2_i64(t0, t1, cpu_gpr[rA(ctx->opcode)],
1342                       cpu_gpr[rB(ctx->opcode)]);
1343     tcg_gen_mov_i64(cpu_gpr[rD(ctx->opcode)], t0);
1344 
1345     tcg_gen_sari_i64(t0, t0, 63);
1346     tcg_gen_setcond_i64(TCG_COND_NE, cpu_ov, t0, t1);
1347     if (is_isa300(ctx)) {
1348         tcg_gen_mov_tl(cpu_ov32, cpu_ov);
1349     }
1350     tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov);
1351 
1352     tcg_temp_free_i64(t0);
1353     tcg_temp_free_i64(t1);
1354 
1355     if (unlikely(Rc(ctx->opcode) != 0)) {
1356         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
1357     }
1358 }
1359 #endif
1360 
1361 /* Common subf function */
1362 static inline void gen_op_arith_subf(DisasContext *ctx, TCGv ret, TCGv arg1,
1363                                      TCGv arg2, bool add_ca, bool compute_ca,
1364                                      bool compute_ov, bool compute_rc0)
1365 {
1366     TCGv t0 = ret;
1367 
1368     if (compute_ca || compute_ov) {
1369         t0 = tcg_temp_new();
1370     }
1371 
1372     if (compute_ca) {
1373         /* dest = ~arg1 + arg2 [+ ca].  */
1374         if (NARROW_MODE(ctx)) {
1375             /* Caution: a non-obvious corner case of the spec is that we
1376                must produce the *entire* 64-bit addition, but produce the
1377                carry into bit 32.  */
1378             TCGv inv1 = tcg_temp_new();
1379             TCGv t1 = tcg_temp_new();
1380             tcg_gen_not_tl(inv1, arg1);
1381             if (add_ca) {
1382                 tcg_gen_add_tl(t0, arg2, cpu_ca);
1383             } else {
1384                 tcg_gen_addi_tl(t0, arg2, 1);
1385             }
1386             tcg_gen_xor_tl(t1, arg2, inv1);         /* add without carry */
1387             tcg_gen_add_tl(t0, t0, inv1);
1388             tcg_temp_free(inv1);
1389             tcg_gen_xor_tl(cpu_ca, t0, t1);         /* bits changes w/ carry */
1390             tcg_temp_free(t1);
1391             tcg_gen_extract_tl(cpu_ca, cpu_ca, 32, 1);
1392             if (is_isa300(ctx)) {
1393                 tcg_gen_mov_tl(cpu_ca32, cpu_ca);
1394             }
1395         } else if (add_ca) {
1396             TCGv zero, inv1 = tcg_temp_new();
1397             tcg_gen_not_tl(inv1, arg1);
1398             zero = tcg_const_tl(0);
1399             tcg_gen_add2_tl(t0, cpu_ca, arg2, zero, cpu_ca, zero);
1400             tcg_gen_add2_tl(t0, cpu_ca, t0, cpu_ca, inv1, zero);
1401             gen_op_arith_compute_ca32(ctx, t0, inv1, arg2, cpu_ca32, 0);
1402             tcg_temp_free(zero);
1403             tcg_temp_free(inv1);
1404         } else {
1405             tcg_gen_setcond_tl(TCG_COND_GEU, cpu_ca, arg2, arg1);
1406             tcg_gen_sub_tl(t0, arg2, arg1);
1407             gen_op_arith_compute_ca32(ctx, t0, arg1, arg2, cpu_ca32, 1);
1408         }
1409     } else if (add_ca) {
1410         /* Since we're ignoring carry-out, we can simplify the
1411            standard ~arg1 + arg2 + ca to arg2 - arg1 + ca - 1.  */
1412         tcg_gen_sub_tl(t0, arg2, arg1);
1413         tcg_gen_add_tl(t0, t0, cpu_ca);
1414         tcg_gen_subi_tl(t0, t0, 1);
1415     } else {
1416         tcg_gen_sub_tl(t0, arg2, arg1);
1417     }
1418 
1419     if (compute_ov) {
1420         gen_op_arith_compute_ov(ctx, t0, arg1, arg2, 1);
1421     }
1422     if (unlikely(compute_rc0)) {
1423         gen_set_Rc0(ctx, t0);
1424     }
1425 
1426     if (t0 != ret) {
1427         tcg_gen_mov_tl(ret, t0);
1428         tcg_temp_free(t0);
1429     }
1430 }
1431 /* Sub functions with Two operands functions */
1432 #define GEN_INT_ARITH_SUBF(name, opc3, add_ca, compute_ca, compute_ov)        \
1433 static void glue(gen_, name)(DisasContext *ctx)                               \
1434 {                                                                             \
1435     gen_op_arith_subf(ctx, cpu_gpr[rD(ctx->opcode)],                          \
1436                       cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],     \
1437                       add_ca, compute_ca, compute_ov, Rc(ctx->opcode));       \
1438 }
1439 /* Sub functions with one operand and one immediate */
1440 #define GEN_INT_ARITH_SUBF_CONST(name, opc3, const_val,                       \
1441                                 add_ca, compute_ca, compute_ov)               \
1442 static void glue(gen_, name)(DisasContext *ctx)                               \
1443 {                                                                             \
1444     TCGv t0 = tcg_const_tl(const_val);                                        \
1445     gen_op_arith_subf(ctx, cpu_gpr[rD(ctx->opcode)],                          \
1446                       cpu_gpr[rA(ctx->opcode)], t0,                           \
1447                       add_ca, compute_ca, compute_ov, Rc(ctx->opcode));       \
1448     tcg_temp_free(t0);                                                        \
1449 }
1450 /* subf  subf.  subfo  subfo. */
1451 GEN_INT_ARITH_SUBF(subf, 0x01, 0, 0, 0)
1452 GEN_INT_ARITH_SUBF(subfo, 0x11, 0, 0, 1)
1453 /* subfc  subfc.  subfco  subfco. */
1454 GEN_INT_ARITH_SUBF(subfc, 0x00, 0, 1, 0)
1455 GEN_INT_ARITH_SUBF(subfco, 0x10, 0, 1, 1)
1456 /* subfe  subfe.  subfeo  subfo. */
1457 GEN_INT_ARITH_SUBF(subfe, 0x04, 1, 1, 0)
1458 GEN_INT_ARITH_SUBF(subfeo, 0x14, 1, 1, 1)
1459 /* subfme  subfme.  subfmeo  subfmeo.  */
1460 GEN_INT_ARITH_SUBF_CONST(subfme, 0x07, -1LL, 1, 1, 0)
1461 GEN_INT_ARITH_SUBF_CONST(subfmeo, 0x17, -1LL, 1, 1, 1)
1462 /* subfze  subfze.  subfzeo  subfzeo.*/
1463 GEN_INT_ARITH_SUBF_CONST(subfze, 0x06, 0, 1, 1, 0)
1464 GEN_INT_ARITH_SUBF_CONST(subfzeo, 0x16, 0, 1, 1, 1)
1465 
1466 /* subfic */
1467 static void gen_subfic(DisasContext *ctx)
1468 {
1469     TCGv c = tcg_const_tl(SIMM(ctx->opcode));
1470     gen_op_arith_subf(ctx, cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
1471                       c, 0, 1, 0, 0);
1472     tcg_temp_free(c);
1473 }
1474 
1475 /* neg neg. nego nego. */
1476 static inline void gen_op_arith_neg(DisasContext *ctx, bool compute_ov)
1477 {
1478     TCGv zero = tcg_const_tl(0);
1479     gen_op_arith_subf(ctx, cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
1480                       zero, 0, 0, compute_ov, Rc(ctx->opcode));
1481     tcg_temp_free(zero);
1482 }
1483 
1484 static void gen_neg(DisasContext *ctx)
1485 {
1486     tcg_gen_neg_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
1487     if (unlikely(Rc(ctx->opcode))) {
1488         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
1489     }
1490 }
1491 
1492 static void gen_nego(DisasContext *ctx)
1493 {
1494     gen_op_arith_neg(ctx, 1);
1495 }
1496 
1497 /***                            Integer logical                            ***/
1498 #define GEN_LOGICAL2(name, tcg_op, opc, type)                                 \
1499 static void glue(gen_, name)(DisasContext *ctx)                                       \
1500 {                                                                             \
1501     tcg_op(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)],                \
1502        cpu_gpr[rB(ctx->opcode)]);                                             \
1503     if (unlikely(Rc(ctx->opcode) != 0))                                       \
1504         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);                           \
1505 }
1506 
1507 #define GEN_LOGICAL1(name, tcg_op, opc, type)                                 \
1508 static void glue(gen_, name)(DisasContext *ctx)                                       \
1509 {                                                                             \
1510     tcg_op(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);               \
1511     if (unlikely(Rc(ctx->opcode) != 0))                                       \
1512         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);                           \
1513 }
1514 
1515 /* and & and. */
1516 GEN_LOGICAL2(and, tcg_gen_and_tl, 0x00, PPC_INTEGER);
1517 /* andc & andc. */
1518 GEN_LOGICAL2(andc, tcg_gen_andc_tl, 0x01, PPC_INTEGER);
1519 
1520 /* andi. */
1521 static void gen_andi_(DisasContext *ctx)
1522 {
1523     tcg_gen_andi_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], UIMM(ctx->opcode));
1524     gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
1525 }
1526 
1527 /* andis. */
1528 static void gen_andis_(DisasContext *ctx)
1529 {
1530     tcg_gen_andi_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], UIMM(ctx->opcode) << 16);
1531     gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
1532 }
1533 
1534 /* cntlzw */
1535 static void gen_cntlzw(DisasContext *ctx)
1536 {
1537     TCGv_i32 t = tcg_temp_new_i32();
1538 
1539     tcg_gen_trunc_tl_i32(t, cpu_gpr[rS(ctx->opcode)]);
1540     tcg_gen_clzi_i32(t, t, 32);
1541     tcg_gen_extu_i32_tl(cpu_gpr[rA(ctx->opcode)], t);
1542     tcg_temp_free_i32(t);
1543 
1544     if (unlikely(Rc(ctx->opcode) != 0))
1545         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
1546 }
1547 
1548 /* cnttzw */
1549 static void gen_cnttzw(DisasContext *ctx)
1550 {
1551     TCGv_i32 t = tcg_temp_new_i32();
1552 
1553     tcg_gen_trunc_tl_i32(t, cpu_gpr[rS(ctx->opcode)]);
1554     tcg_gen_ctzi_i32(t, t, 32);
1555     tcg_gen_extu_i32_tl(cpu_gpr[rA(ctx->opcode)], t);
1556     tcg_temp_free_i32(t);
1557 
1558     if (unlikely(Rc(ctx->opcode) != 0)) {
1559         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
1560     }
1561 }
1562 
1563 /* eqv & eqv. */
1564 GEN_LOGICAL2(eqv, tcg_gen_eqv_tl, 0x08, PPC_INTEGER);
1565 /* extsb & extsb. */
1566 GEN_LOGICAL1(extsb, tcg_gen_ext8s_tl, 0x1D, PPC_INTEGER);
1567 /* extsh & extsh. */
1568 GEN_LOGICAL1(extsh, tcg_gen_ext16s_tl, 0x1C, PPC_INTEGER);
1569 /* nand & nand. */
1570 GEN_LOGICAL2(nand, tcg_gen_nand_tl, 0x0E, PPC_INTEGER);
1571 /* nor & nor. */
1572 GEN_LOGICAL2(nor, tcg_gen_nor_tl, 0x03, PPC_INTEGER);
1573 
1574 #if defined(TARGET_PPC64) && !defined(CONFIG_USER_ONLY)
1575 static void gen_pause(DisasContext *ctx)
1576 {
1577     TCGv_i32 t0 = tcg_const_i32(0);
1578     tcg_gen_st_i32(t0, cpu_env,
1579                    -offsetof(PowerPCCPU, env) + offsetof(CPUState, halted));
1580     tcg_temp_free_i32(t0);
1581 
1582     /* Stop translation, this gives other CPUs a chance to run */
1583     gen_exception_nip(ctx, EXCP_HLT, ctx->base.pc_next);
1584 }
1585 #endif /* defined(TARGET_PPC64) */
1586 
1587 /* or & or. */
1588 static void gen_or(DisasContext *ctx)
1589 {
1590     int rs, ra, rb;
1591 
1592     rs = rS(ctx->opcode);
1593     ra = rA(ctx->opcode);
1594     rb = rB(ctx->opcode);
1595     /* Optimisation for mr. ri case */
1596     if (rs != ra || rs != rb) {
1597         if (rs != rb)
1598             tcg_gen_or_tl(cpu_gpr[ra], cpu_gpr[rs], cpu_gpr[rb]);
1599         else
1600             tcg_gen_mov_tl(cpu_gpr[ra], cpu_gpr[rs]);
1601         if (unlikely(Rc(ctx->opcode) != 0))
1602             gen_set_Rc0(ctx, cpu_gpr[ra]);
1603     } else if (unlikely(Rc(ctx->opcode) != 0)) {
1604         gen_set_Rc0(ctx, cpu_gpr[rs]);
1605 #if defined(TARGET_PPC64)
1606     } else if (rs != 0) { /* 0 is nop */
1607         int prio = 0;
1608 
1609         switch (rs) {
1610         case 1:
1611             /* Set process priority to low */
1612             prio = 2;
1613             break;
1614         case 6:
1615             /* Set process priority to medium-low */
1616             prio = 3;
1617             break;
1618         case 2:
1619             /* Set process priority to normal */
1620             prio = 4;
1621             break;
1622 #if !defined(CONFIG_USER_ONLY)
1623         case 31:
1624             if (!ctx->pr) {
1625                 /* Set process priority to very low */
1626                 prio = 1;
1627             }
1628             break;
1629         case 5:
1630             if (!ctx->pr) {
1631                 /* Set process priority to medium-hight */
1632                 prio = 5;
1633             }
1634             break;
1635         case 3:
1636             if (!ctx->pr) {
1637                 /* Set process priority to high */
1638                 prio = 6;
1639             }
1640             break;
1641         case 7:
1642             if (ctx->hv && !ctx->pr) {
1643                 /* Set process priority to very high */
1644                 prio = 7;
1645             }
1646             break;
1647 #endif
1648         default:
1649             break;
1650         }
1651         if (prio) {
1652             TCGv t0 = tcg_temp_new();
1653             gen_load_spr(t0, SPR_PPR);
1654             tcg_gen_andi_tl(t0, t0, ~0x001C000000000000ULL);
1655             tcg_gen_ori_tl(t0, t0, ((uint64_t)prio) << 50);
1656             gen_store_spr(SPR_PPR, t0);
1657             tcg_temp_free(t0);
1658         }
1659 #if !defined(CONFIG_USER_ONLY)
1660         /* Pause out of TCG otherwise spin loops with smt_low eat too much
1661          * CPU and the kernel hangs.  This applies to all encodings other
1662          * than no-op, e.g., miso(rs=26), yield(27), mdoio(29), mdoom(30),
1663          * and all currently undefined.
1664          */
1665         gen_pause(ctx);
1666 #endif
1667 #endif
1668     }
1669 }
1670 /* orc & orc. */
1671 GEN_LOGICAL2(orc, tcg_gen_orc_tl, 0x0C, PPC_INTEGER);
1672 
1673 /* xor & xor. */
1674 static void gen_xor(DisasContext *ctx)
1675 {
1676     /* Optimisation for "set to zero" case */
1677     if (rS(ctx->opcode) != rB(ctx->opcode))
1678         tcg_gen_xor_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
1679     else
1680         tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0);
1681     if (unlikely(Rc(ctx->opcode) != 0))
1682         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
1683 }
1684 
1685 /* ori */
1686 static void gen_ori(DisasContext *ctx)
1687 {
1688     target_ulong uimm = UIMM(ctx->opcode);
1689 
1690     if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) {
1691         return;
1692     }
1693     tcg_gen_ori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], uimm);
1694 }
1695 
1696 /* oris */
1697 static void gen_oris(DisasContext *ctx)
1698 {
1699     target_ulong uimm = UIMM(ctx->opcode);
1700 
1701     if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) {
1702         /* NOP */
1703         return;
1704     }
1705     tcg_gen_ori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], uimm << 16);
1706 }
1707 
1708 /* xori */
1709 static void gen_xori(DisasContext *ctx)
1710 {
1711     target_ulong uimm = UIMM(ctx->opcode);
1712 
1713     if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) {
1714         /* NOP */
1715         return;
1716     }
1717     tcg_gen_xori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], uimm);
1718 }
1719 
1720 /* xoris */
1721 static void gen_xoris(DisasContext *ctx)
1722 {
1723     target_ulong uimm = UIMM(ctx->opcode);
1724 
1725     if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) {
1726         /* NOP */
1727         return;
1728     }
1729     tcg_gen_xori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], uimm << 16);
1730 }
1731 
1732 /* popcntb : PowerPC 2.03 specification */
1733 static void gen_popcntb(DisasContext *ctx)
1734 {
1735     gen_helper_popcntb(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);
1736 }
1737 
1738 static void gen_popcntw(DisasContext *ctx)
1739 {
1740 #if defined(TARGET_PPC64)
1741     gen_helper_popcntw(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);
1742 #else
1743     tcg_gen_ctpop_i32(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);
1744 #endif
1745 }
1746 
1747 #if defined(TARGET_PPC64)
1748 /* popcntd: PowerPC 2.06 specification */
1749 static void gen_popcntd(DisasContext *ctx)
1750 {
1751     tcg_gen_ctpop_i64(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);
1752 }
1753 #endif
1754 
1755 /* prtyw: PowerPC 2.05 specification */
1756 static void gen_prtyw(DisasContext *ctx)
1757 {
1758     TCGv ra = cpu_gpr[rA(ctx->opcode)];
1759     TCGv rs = cpu_gpr[rS(ctx->opcode)];
1760     TCGv t0 = tcg_temp_new();
1761     tcg_gen_shri_tl(t0, rs, 16);
1762     tcg_gen_xor_tl(ra, rs, t0);
1763     tcg_gen_shri_tl(t0, ra, 8);
1764     tcg_gen_xor_tl(ra, ra, t0);
1765     tcg_gen_andi_tl(ra, ra, (target_ulong)0x100000001ULL);
1766     tcg_temp_free(t0);
1767 }
1768 
1769 #if defined(TARGET_PPC64)
1770 /* prtyd: PowerPC 2.05 specification */
1771 static void gen_prtyd(DisasContext *ctx)
1772 {
1773     TCGv ra = cpu_gpr[rA(ctx->opcode)];
1774     TCGv rs = cpu_gpr[rS(ctx->opcode)];
1775     TCGv t0 = tcg_temp_new();
1776     tcg_gen_shri_tl(t0, rs, 32);
1777     tcg_gen_xor_tl(ra, rs, t0);
1778     tcg_gen_shri_tl(t0, ra, 16);
1779     tcg_gen_xor_tl(ra, ra, t0);
1780     tcg_gen_shri_tl(t0, ra, 8);
1781     tcg_gen_xor_tl(ra, ra, t0);
1782     tcg_gen_andi_tl(ra, ra, 1);
1783     tcg_temp_free(t0);
1784 }
1785 #endif
1786 
1787 #if defined(TARGET_PPC64)
1788 /* bpermd */
1789 static void gen_bpermd(DisasContext *ctx)
1790 {
1791     gen_helper_bpermd(cpu_gpr[rA(ctx->opcode)],
1792                       cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
1793 }
1794 #endif
1795 
1796 #if defined(TARGET_PPC64)
1797 /* extsw & extsw. */
1798 GEN_LOGICAL1(extsw, tcg_gen_ext32s_tl, 0x1E, PPC_64B);
1799 
1800 /* cntlzd */
1801 static void gen_cntlzd(DisasContext *ctx)
1802 {
1803     tcg_gen_clzi_i64(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], 64);
1804     if (unlikely(Rc(ctx->opcode) != 0))
1805         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
1806 }
1807 
1808 /* cnttzd */
1809 static void gen_cnttzd(DisasContext *ctx)
1810 {
1811     tcg_gen_ctzi_i64(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], 64);
1812     if (unlikely(Rc(ctx->opcode) != 0)) {
1813         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
1814     }
1815 }
1816 
1817 /* darn */
1818 static void gen_darn(DisasContext *ctx)
1819 {
1820     int l = L(ctx->opcode);
1821 
1822     if (l == 0) {
1823         gen_helper_darn32(cpu_gpr[rD(ctx->opcode)]);
1824     } else if (l <= 2) {
1825         /* Return 64-bit random for both CRN and RRN */
1826         gen_helper_darn64(cpu_gpr[rD(ctx->opcode)]);
1827     } else {
1828         tcg_gen_movi_i64(cpu_gpr[rD(ctx->opcode)], -1);
1829     }
1830 }
1831 #endif
1832 
1833 /***                             Integer rotate                            ***/
1834 
1835 /* rlwimi & rlwimi. */
1836 static void gen_rlwimi(DisasContext *ctx)
1837 {
1838     TCGv t_ra = cpu_gpr[rA(ctx->opcode)];
1839     TCGv t_rs = cpu_gpr[rS(ctx->opcode)];
1840     uint32_t sh = SH(ctx->opcode);
1841     uint32_t mb = MB(ctx->opcode);
1842     uint32_t me = ME(ctx->opcode);
1843 
1844     if (sh == (31-me) && mb <= me) {
1845         tcg_gen_deposit_tl(t_ra, t_ra, t_rs, sh, me - mb + 1);
1846     } else {
1847         target_ulong mask;
1848         TCGv t1;
1849 
1850 #if defined(TARGET_PPC64)
1851         mb += 32;
1852         me += 32;
1853 #endif
1854         mask = MASK(mb, me);
1855 
1856         t1 = tcg_temp_new();
1857         if (mask <= 0xffffffffu) {
1858             TCGv_i32 t0 = tcg_temp_new_i32();
1859             tcg_gen_trunc_tl_i32(t0, t_rs);
1860             tcg_gen_rotli_i32(t0, t0, sh);
1861             tcg_gen_extu_i32_tl(t1, t0);
1862             tcg_temp_free_i32(t0);
1863         } else {
1864 #if defined(TARGET_PPC64)
1865             tcg_gen_deposit_i64(t1, t_rs, t_rs, 32, 32);
1866             tcg_gen_rotli_i64(t1, t1, sh);
1867 #else
1868             g_assert_not_reached();
1869 #endif
1870         }
1871 
1872         tcg_gen_andi_tl(t1, t1, mask);
1873         tcg_gen_andi_tl(t_ra, t_ra, ~mask);
1874         tcg_gen_or_tl(t_ra, t_ra, t1);
1875         tcg_temp_free(t1);
1876     }
1877     if (unlikely(Rc(ctx->opcode) != 0)) {
1878         gen_set_Rc0(ctx, t_ra);
1879     }
1880 }
1881 
1882 /* rlwinm & rlwinm. */
1883 static void gen_rlwinm(DisasContext *ctx)
1884 {
1885     TCGv t_ra = cpu_gpr[rA(ctx->opcode)];
1886     TCGv t_rs = cpu_gpr[rS(ctx->opcode)];
1887     int sh = SH(ctx->opcode);
1888     int mb = MB(ctx->opcode);
1889     int me = ME(ctx->opcode);
1890     int len = me - mb + 1;
1891     int rsh = (32 - sh) & 31;
1892 
1893     if (sh != 0 && len > 0 && me == (31 - sh)) {
1894         tcg_gen_deposit_z_tl(t_ra, t_rs, sh, len);
1895     } else if (me == 31 && rsh + len <= 32) {
1896         tcg_gen_extract_tl(t_ra, t_rs, rsh, len);
1897     } else {
1898         target_ulong mask;
1899 #if defined(TARGET_PPC64)
1900         mb += 32;
1901         me += 32;
1902 #endif
1903         mask = MASK(mb, me);
1904         if (sh == 0) {
1905             tcg_gen_andi_tl(t_ra, t_rs, mask);
1906         } else if (mask <= 0xffffffffu) {
1907             TCGv_i32 t0 = tcg_temp_new_i32();
1908             tcg_gen_trunc_tl_i32(t0, t_rs);
1909             tcg_gen_rotli_i32(t0, t0, sh);
1910             tcg_gen_andi_i32(t0, t0, mask);
1911             tcg_gen_extu_i32_tl(t_ra, t0);
1912             tcg_temp_free_i32(t0);
1913         } else {
1914 #if defined(TARGET_PPC64)
1915             tcg_gen_deposit_i64(t_ra, t_rs, t_rs, 32, 32);
1916             tcg_gen_rotli_i64(t_ra, t_ra, sh);
1917             tcg_gen_andi_i64(t_ra, t_ra, mask);
1918 #else
1919             g_assert_not_reached();
1920 #endif
1921         }
1922     }
1923     if (unlikely(Rc(ctx->opcode) != 0)) {
1924         gen_set_Rc0(ctx, t_ra);
1925     }
1926 }
1927 
1928 /* rlwnm & rlwnm. */
1929 static void gen_rlwnm(DisasContext *ctx)
1930 {
1931     TCGv t_ra = cpu_gpr[rA(ctx->opcode)];
1932     TCGv t_rs = cpu_gpr[rS(ctx->opcode)];
1933     TCGv t_rb = cpu_gpr[rB(ctx->opcode)];
1934     uint32_t mb = MB(ctx->opcode);
1935     uint32_t me = ME(ctx->opcode);
1936     target_ulong mask;
1937 
1938 #if defined(TARGET_PPC64)
1939     mb += 32;
1940     me += 32;
1941 #endif
1942     mask = MASK(mb, me);
1943 
1944     if (mask <= 0xffffffffu) {
1945         TCGv_i32 t0 = tcg_temp_new_i32();
1946         TCGv_i32 t1 = tcg_temp_new_i32();
1947         tcg_gen_trunc_tl_i32(t0, t_rb);
1948         tcg_gen_trunc_tl_i32(t1, t_rs);
1949         tcg_gen_andi_i32(t0, t0, 0x1f);
1950         tcg_gen_rotl_i32(t1, t1, t0);
1951         tcg_gen_extu_i32_tl(t_ra, t1);
1952         tcg_temp_free_i32(t0);
1953         tcg_temp_free_i32(t1);
1954     } else {
1955 #if defined(TARGET_PPC64)
1956         TCGv_i64 t0 = tcg_temp_new_i64();
1957         tcg_gen_andi_i64(t0, t_rb, 0x1f);
1958         tcg_gen_deposit_i64(t_ra, t_rs, t_rs, 32, 32);
1959         tcg_gen_rotl_i64(t_ra, t_ra, t0);
1960         tcg_temp_free_i64(t0);
1961 #else
1962         g_assert_not_reached();
1963 #endif
1964     }
1965 
1966     tcg_gen_andi_tl(t_ra, t_ra, mask);
1967 
1968     if (unlikely(Rc(ctx->opcode) != 0)) {
1969         gen_set_Rc0(ctx, t_ra);
1970     }
1971 }
1972 
1973 #if defined(TARGET_PPC64)
1974 #define GEN_PPC64_R2(name, opc1, opc2)                                        \
1975 static void glue(gen_, name##0)(DisasContext *ctx)                            \
1976 {                                                                             \
1977     gen_##name(ctx, 0);                                                       \
1978 }                                                                             \
1979                                                                               \
1980 static void glue(gen_, name##1)(DisasContext *ctx)                            \
1981 {                                                                             \
1982     gen_##name(ctx, 1);                                                       \
1983 }
1984 #define GEN_PPC64_R4(name, opc1, opc2)                                        \
1985 static void glue(gen_, name##0)(DisasContext *ctx)                            \
1986 {                                                                             \
1987     gen_##name(ctx, 0, 0);                                                    \
1988 }                                                                             \
1989                                                                               \
1990 static void glue(gen_, name##1)(DisasContext *ctx)                            \
1991 {                                                                             \
1992     gen_##name(ctx, 0, 1);                                                    \
1993 }                                                                             \
1994                                                                               \
1995 static void glue(gen_, name##2)(DisasContext *ctx)                            \
1996 {                                                                             \
1997     gen_##name(ctx, 1, 0);                                                    \
1998 }                                                                             \
1999                                                                               \
2000 static void glue(gen_, name##3)(DisasContext *ctx)                            \
2001 {                                                                             \
2002     gen_##name(ctx, 1, 1);                                                    \
2003 }
2004 
2005 static void gen_rldinm(DisasContext *ctx, int mb, int me, int sh)
2006 {
2007     TCGv t_ra = cpu_gpr[rA(ctx->opcode)];
2008     TCGv t_rs = cpu_gpr[rS(ctx->opcode)];
2009     int len = me - mb + 1;
2010     int rsh = (64 - sh) & 63;
2011 
2012     if (sh != 0 && len > 0 && me == (63 - sh)) {
2013         tcg_gen_deposit_z_tl(t_ra, t_rs, sh, len);
2014     } else if (me == 63 && rsh + len <= 64) {
2015         tcg_gen_extract_tl(t_ra, t_rs, rsh, len);
2016     } else {
2017         tcg_gen_rotli_tl(t_ra, t_rs, sh);
2018         tcg_gen_andi_tl(t_ra, t_ra, MASK(mb, me));
2019     }
2020     if (unlikely(Rc(ctx->opcode) != 0)) {
2021         gen_set_Rc0(ctx, t_ra);
2022     }
2023 }
2024 
2025 /* rldicl - rldicl. */
2026 static inline void gen_rldicl(DisasContext *ctx, int mbn, int shn)
2027 {
2028     uint32_t sh, mb;
2029 
2030     sh = SH(ctx->opcode) | (shn << 5);
2031     mb = MB(ctx->opcode) | (mbn << 5);
2032     gen_rldinm(ctx, mb, 63, sh);
2033 }
2034 GEN_PPC64_R4(rldicl, 0x1E, 0x00);
2035 
2036 /* rldicr - rldicr. */
2037 static inline void gen_rldicr(DisasContext *ctx, int men, int shn)
2038 {
2039     uint32_t sh, me;
2040 
2041     sh = SH(ctx->opcode) | (shn << 5);
2042     me = MB(ctx->opcode) | (men << 5);
2043     gen_rldinm(ctx, 0, me, sh);
2044 }
2045 GEN_PPC64_R4(rldicr, 0x1E, 0x02);
2046 
2047 /* rldic - rldic. */
2048 static inline void gen_rldic(DisasContext *ctx, int mbn, int shn)
2049 {
2050     uint32_t sh, mb;
2051 
2052     sh = SH(ctx->opcode) | (shn << 5);
2053     mb = MB(ctx->opcode) | (mbn << 5);
2054     gen_rldinm(ctx, mb, 63 - sh, sh);
2055 }
2056 GEN_PPC64_R4(rldic, 0x1E, 0x04);
2057 
2058 static void gen_rldnm(DisasContext *ctx, int mb, int me)
2059 {
2060     TCGv t_ra = cpu_gpr[rA(ctx->opcode)];
2061     TCGv t_rs = cpu_gpr[rS(ctx->opcode)];
2062     TCGv t_rb = cpu_gpr[rB(ctx->opcode)];
2063     TCGv t0;
2064 
2065     t0 = tcg_temp_new();
2066     tcg_gen_andi_tl(t0, t_rb, 0x3f);
2067     tcg_gen_rotl_tl(t_ra, t_rs, t0);
2068     tcg_temp_free(t0);
2069 
2070     tcg_gen_andi_tl(t_ra, t_ra, MASK(mb, me));
2071     if (unlikely(Rc(ctx->opcode) != 0)) {
2072         gen_set_Rc0(ctx, t_ra);
2073     }
2074 }
2075 
2076 /* rldcl - rldcl. */
2077 static inline void gen_rldcl(DisasContext *ctx, int mbn)
2078 {
2079     uint32_t mb;
2080 
2081     mb = MB(ctx->opcode) | (mbn << 5);
2082     gen_rldnm(ctx, mb, 63);
2083 }
2084 GEN_PPC64_R2(rldcl, 0x1E, 0x08);
2085 
2086 /* rldcr - rldcr. */
2087 static inline void gen_rldcr(DisasContext *ctx, int men)
2088 {
2089     uint32_t me;
2090 
2091     me = MB(ctx->opcode) | (men << 5);
2092     gen_rldnm(ctx, 0, me);
2093 }
2094 GEN_PPC64_R2(rldcr, 0x1E, 0x09);
2095 
2096 /* rldimi - rldimi. */
2097 static void gen_rldimi(DisasContext *ctx, int mbn, int shn)
2098 {
2099     TCGv t_ra = cpu_gpr[rA(ctx->opcode)];
2100     TCGv t_rs = cpu_gpr[rS(ctx->opcode)];
2101     uint32_t sh = SH(ctx->opcode) | (shn << 5);
2102     uint32_t mb = MB(ctx->opcode) | (mbn << 5);
2103     uint32_t me = 63 - sh;
2104 
2105     if (mb <= me) {
2106         tcg_gen_deposit_tl(t_ra, t_ra, t_rs, sh, me - mb + 1);
2107     } else {
2108         target_ulong mask = MASK(mb, me);
2109         TCGv t1 = tcg_temp_new();
2110 
2111         tcg_gen_rotli_tl(t1, t_rs, sh);
2112         tcg_gen_andi_tl(t1, t1, mask);
2113         tcg_gen_andi_tl(t_ra, t_ra, ~mask);
2114         tcg_gen_or_tl(t_ra, t_ra, t1);
2115         tcg_temp_free(t1);
2116     }
2117     if (unlikely(Rc(ctx->opcode) != 0)) {
2118         gen_set_Rc0(ctx, t_ra);
2119     }
2120 }
2121 GEN_PPC64_R4(rldimi, 0x1E, 0x06);
2122 #endif
2123 
2124 /***                             Integer shift                             ***/
2125 
2126 /* slw & slw. */
2127 static void gen_slw(DisasContext *ctx)
2128 {
2129     TCGv t0, t1;
2130 
2131     t0 = tcg_temp_new();
2132     /* AND rS with a mask that is 0 when rB >= 0x20 */
2133 #if defined(TARGET_PPC64)
2134     tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x3a);
2135     tcg_gen_sari_tl(t0, t0, 0x3f);
2136 #else
2137     tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1a);
2138     tcg_gen_sari_tl(t0, t0, 0x1f);
2139 #endif
2140     tcg_gen_andc_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
2141     t1 = tcg_temp_new();
2142     tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1f);
2143     tcg_gen_shl_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
2144     tcg_temp_free(t1);
2145     tcg_temp_free(t0);
2146     tcg_gen_ext32u_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
2147     if (unlikely(Rc(ctx->opcode) != 0))
2148         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
2149 }
2150 
2151 /* sraw & sraw. */
2152 static void gen_sraw(DisasContext *ctx)
2153 {
2154     gen_helper_sraw(cpu_gpr[rA(ctx->opcode)], cpu_env,
2155                     cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
2156     if (unlikely(Rc(ctx->opcode) != 0))
2157         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
2158 }
2159 
2160 /* srawi & srawi. */
2161 static void gen_srawi(DisasContext *ctx)
2162 {
2163     int sh = SH(ctx->opcode);
2164     TCGv dst = cpu_gpr[rA(ctx->opcode)];
2165     TCGv src = cpu_gpr[rS(ctx->opcode)];
2166     if (sh == 0) {
2167         tcg_gen_ext32s_tl(dst, src);
2168         tcg_gen_movi_tl(cpu_ca, 0);
2169         if (is_isa300(ctx)) {
2170             tcg_gen_movi_tl(cpu_ca32, 0);
2171         }
2172     } else {
2173         TCGv t0;
2174         tcg_gen_ext32s_tl(dst, src);
2175         tcg_gen_andi_tl(cpu_ca, dst, (1ULL << sh) - 1);
2176         t0 = tcg_temp_new();
2177         tcg_gen_sari_tl(t0, dst, TARGET_LONG_BITS - 1);
2178         tcg_gen_and_tl(cpu_ca, cpu_ca, t0);
2179         tcg_temp_free(t0);
2180         tcg_gen_setcondi_tl(TCG_COND_NE, cpu_ca, cpu_ca, 0);
2181         if (is_isa300(ctx)) {
2182             tcg_gen_mov_tl(cpu_ca32, cpu_ca);
2183         }
2184         tcg_gen_sari_tl(dst, dst, sh);
2185     }
2186     if (unlikely(Rc(ctx->opcode) != 0)) {
2187         gen_set_Rc0(ctx, dst);
2188     }
2189 }
2190 
2191 /* srw & srw. */
2192 static void gen_srw(DisasContext *ctx)
2193 {
2194     TCGv t0, t1;
2195 
2196     t0 = tcg_temp_new();
2197     /* AND rS with a mask that is 0 when rB >= 0x20 */
2198 #if defined(TARGET_PPC64)
2199     tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x3a);
2200     tcg_gen_sari_tl(t0, t0, 0x3f);
2201 #else
2202     tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1a);
2203     tcg_gen_sari_tl(t0, t0, 0x1f);
2204 #endif
2205     tcg_gen_andc_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
2206     tcg_gen_ext32u_tl(t0, t0);
2207     t1 = tcg_temp_new();
2208     tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1f);
2209     tcg_gen_shr_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
2210     tcg_temp_free(t1);
2211     tcg_temp_free(t0);
2212     if (unlikely(Rc(ctx->opcode) != 0))
2213         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
2214 }
2215 
2216 #if defined(TARGET_PPC64)
2217 /* sld & sld. */
2218 static void gen_sld(DisasContext *ctx)
2219 {
2220     TCGv t0, t1;
2221 
2222     t0 = tcg_temp_new();
2223     /* AND rS with a mask that is 0 when rB >= 0x40 */
2224     tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x39);
2225     tcg_gen_sari_tl(t0, t0, 0x3f);
2226     tcg_gen_andc_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
2227     t1 = tcg_temp_new();
2228     tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x3f);
2229     tcg_gen_shl_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
2230     tcg_temp_free(t1);
2231     tcg_temp_free(t0);
2232     if (unlikely(Rc(ctx->opcode) != 0))
2233         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
2234 }
2235 
2236 /* srad & srad. */
2237 static void gen_srad(DisasContext *ctx)
2238 {
2239     gen_helper_srad(cpu_gpr[rA(ctx->opcode)], cpu_env,
2240                     cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
2241     if (unlikely(Rc(ctx->opcode) != 0))
2242         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
2243 }
2244 /* sradi & sradi. */
2245 static inline void gen_sradi(DisasContext *ctx, int n)
2246 {
2247     int sh = SH(ctx->opcode) + (n << 5);
2248     TCGv dst = cpu_gpr[rA(ctx->opcode)];
2249     TCGv src = cpu_gpr[rS(ctx->opcode)];
2250     if (sh == 0) {
2251         tcg_gen_mov_tl(dst, src);
2252         tcg_gen_movi_tl(cpu_ca, 0);
2253         if (is_isa300(ctx)) {
2254             tcg_gen_movi_tl(cpu_ca32, 0);
2255         }
2256     } else {
2257         TCGv t0;
2258         tcg_gen_andi_tl(cpu_ca, src, (1ULL << sh) - 1);
2259         t0 = tcg_temp_new();
2260         tcg_gen_sari_tl(t0, src, TARGET_LONG_BITS - 1);
2261         tcg_gen_and_tl(cpu_ca, cpu_ca, t0);
2262         tcg_temp_free(t0);
2263         tcg_gen_setcondi_tl(TCG_COND_NE, cpu_ca, cpu_ca, 0);
2264         if (is_isa300(ctx)) {
2265             tcg_gen_mov_tl(cpu_ca32, cpu_ca);
2266         }
2267         tcg_gen_sari_tl(dst, src, sh);
2268     }
2269     if (unlikely(Rc(ctx->opcode) != 0)) {
2270         gen_set_Rc0(ctx, dst);
2271     }
2272 }
2273 
2274 static void gen_sradi0(DisasContext *ctx)
2275 {
2276     gen_sradi(ctx, 0);
2277 }
2278 
2279 static void gen_sradi1(DisasContext *ctx)
2280 {
2281     gen_sradi(ctx, 1);
2282 }
2283 
2284 /* extswsli & extswsli. */
2285 static inline void gen_extswsli(DisasContext *ctx, int n)
2286 {
2287     int sh = SH(ctx->opcode) + (n << 5);
2288     TCGv dst = cpu_gpr[rA(ctx->opcode)];
2289     TCGv src = cpu_gpr[rS(ctx->opcode)];
2290 
2291     tcg_gen_ext32s_tl(dst, src);
2292     tcg_gen_shli_tl(dst, dst, sh);
2293     if (unlikely(Rc(ctx->opcode) != 0)) {
2294         gen_set_Rc0(ctx, dst);
2295     }
2296 }
2297 
2298 static void gen_extswsli0(DisasContext *ctx)
2299 {
2300     gen_extswsli(ctx, 0);
2301 }
2302 
2303 static void gen_extswsli1(DisasContext *ctx)
2304 {
2305     gen_extswsli(ctx, 1);
2306 }
2307 
2308 /* srd & srd. */
2309 static void gen_srd(DisasContext *ctx)
2310 {
2311     TCGv t0, t1;
2312 
2313     t0 = tcg_temp_new();
2314     /* AND rS with a mask that is 0 when rB >= 0x40 */
2315     tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x39);
2316     tcg_gen_sari_tl(t0, t0, 0x3f);
2317     tcg_gen_andc_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
2318     t1 = tcg_temp_new();
2319     tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x3f);
2320     tcg_gen_shr_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
2321     tcg_temp_free(t1);
2322     tcg_temp_free(t0);
2323     if (unlikely(Rc(ctx->opcode) != 0))
2324         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
2325 }
2326 #endif
2327 
2328 /***                           Addressing modes                            ***/
2329 /* Register indirect with immediate index : EA = (rA|0) + SIMM */
2330 static inline void gen_addr_imm_index(DisasContext *ctx, TCGv EA,
2331                                       target_long maskl)
2332 {
2333     target_long simm = SIMM(ctx->opcode);
2334 
2335     simm &= ~maskl;
2336     if (rA(ctx->opcode) == 0) {
2337         if (NARROW_MODE(ctx)) {
2338             simm = (uint32_t)simm;
2339         }
2340         tcg_gen_movi_tl(EA, simm);
2341     } else if (likely(simm != 0)) {
2342         tcg_gen_addi_tl(EA, cpu_gpr[rA(ctx->opcode)], simm);
2343         if (NARROW_MODE(ctx)) {
2344             tcg_gen_ext32u_tl(EA, EA);
2345         }
2346     } else {
2347         if (NARROW_MODE(ctx)) {
2348             tcg_gen_ext32u_tl(EA, cpu_gpr[rA(ctx->opcode)]);
2349         } else {
2350             tcg_gen_mov_tl(EA, cpu_gpr[rA(ctx->opcode)]);
2351         }
2352     }
2353 }
2354 
2355 static inline void gen_addr_reg_index(DisasContext *ctx, TCGv EA)
2356 {
2357     if (rA(ctx->opcode) == 0) {
2358         if (NARROW_MODE(ctx)) {
2359             tcg_gen_ext32u_tl(EA, cpu_gpr[rB(ctx->opcode)]);
2360         } else {
2361             tcg_gen_mov_tl(EA, cpu_gpr[rB(ctx->opcode)]);
2362         }
2363     } else {
2364         tcg_gen_add_tl(EA, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
2365         if (NARROW_MODE(ctx)) {
2366             tcg_gen_ext32u_tl(EA, EA);
2367         }
2368     }
2369 }
2370 
2371 static inline void gen_addr_register(DisasContext *ctx, TCGv EA)
2372 {
2373     if (rA(ctx->opcode) == 0) {
2374         tcg_gen_movi_tl(EA, 0);
2375     } else if (NARROW_MODE(ctx)) {
2376         tcg_gen_ext32u_tl(EA, cpu_gpr[rA(ctx->opcode)]);
2377     } else {
2378         tcg_gen_mov_tl(EA, cpu_gpr[rA(ctx->opcode)]);
2379     }
2380 }
2381 
2382 static inline void gen_addr_add(DisasContext *ctx, TCGv ret, TCGv arg1,
2383                                 target_long val)
2384 {
2385     tcg_gen_addi_tl(ret, arg1, val);
2386     if (NARROW_MODE(ctx)) {
2387         tcg_gen_ext32u_tl(ret, ret);
2388     }
2389 }
2390 
2391 static inline void gen_align_no_le(DisasContext *ctx)
2392 {
2393     gen_exception_err(ctx, POWERPC_EXCP_ALIGN,
2394                       (ctx->opcode & 0x03FF0000) | POWERPC_EXCP_ALIGN_LE);
2395 }
2396 
2397 /***                             Integer load                              ***/
2398 #define DEF_MEMOP(op) ((op) | ctx->default_tcg_memop_mask)
2399 #define BSWAP_MEMOP(op) ((op) | (ctx->default_tcg_memop_mask ^ MO_BSWAP))
2400 
2401 #define GEN_QEMU_LOAD_TL(ldop, op)                                      \
2402 static void glue(gen_qemu_, ldop)(DisasContext *ctx,                    \
2403                                   TCGv val,                             \
2404                                   TCGv addr)                            \
2405 {                                                                       \
2406     tcg_gen_qemu_ld_tl(val, addr, ctx->mem_idx, op);                    \
2407 }
2408 
2409 GEN_QEMU_LOAD_TL(ld8u,  DEF_MEMOP(MO_UB))
2410 GEN_QEMU_LOAD_TL(ld16u, DEF_MEMOP(MO_UW))
2411 GEN_QEMU_LOAD_TL(ld16s, DEF_MEMOP(MO_SW))
2412 GEN_QEMU_LOAD_TL(ld32u, DEF_MEMOP(MO_UL))
2413 GEN_QEMU_LOAD_TL(ld32s, DEF_MEMOP(MO_SL))
2414 
2415 GEN_QEMU_LOAD_TL(ld16ur, BSWAP_MEMOP(MO_UW))
2416 GEN_QEMU_LOAD_TL(ld32ur, BSWAP_MEMOP(MO_UL))
2417 
2418 #define GEN_QEMU_LOAD_64(ldop, op)                                  \
2419 static void glue(gen_qemu_, glue(ldop, _i64))(DisasContext *ctx,    \
2420                                              TCGv_i64 val,          \
2421                                              TCGv addr)             \
2422 {                                                                   \
2423     tcg_gen_qemu_ld_i64(val, addr, ctx->mem_idx, op);               \
2424 }
2425 
2426 GEN_QEMU_LOAD_64(ld8u,  DEF_MEMOP(MO_UB))
2427 GEN_QEMU_LOAD_64(ld16u, DEF_MEMOP(MO_UW))
2428 GEN_QEMU_LOAD_64(ld32u, DEF_MEMOP(MO_UL))
2429 GEN_QEMU_LOAD_64(ld32s, DEF_MEMOP(MO_SL))
2430 GEN_QEMU_LOAD_64(ld64,  DEF_MEMOP(MO_Q))
2431 
2432 #if defined(TARGET_PPC64)
2433 GEN_QEMU_LOAD_64(ld64ur, BSWAP_MEMOP(MO_Q))
2434 #endif
2435 
2436 #define GEN_QEMU_STORE_TL(stop, op)                                     \
2437 static void glue(gen_qemu_, stop)(DisasContext *ctx,                    \
2438                                   TCGv val,                             \
2439                                   TCGv addr)                            \
2440 {                                                                       \
2441     tcg_gen_qemu_st_tl(val, addr, ctx->mem_idx, op);                    \
2442 }
2443 
2444 GEN_QEMU_STORE_TL(st8,  DEF_MEMOP(MO_UB))
2445 GEN_QEMU_STORE_TL(st16, DEF_MEMOP(MO_UW))
2446 GEN_QEMU_STORE_TL(st32, DEF_MEMOP(MO_UL))
2447 
2448 GEN_QEMU_STORE_TL(st16r, BSWAP_MEMOP(MO_UW))
2449 GEN_QEMU_STORE_TL(st32r, BSWAP_MEMOP(MO_UL))
2450 
2451 #define GEN_QEMU_STORE_64(stop, op)                               \
2452 static void glue(gen_qemu_, glue(stop, _i64))(DisasContext *ctx,  \
2453                                               TCGv_i64 val,       \
2454                                               TCGv addr)          \
2455 {                                                                 \
2456     tcg_gen_qemu_st_i64(val, addr, ctx->mem_idx, op);             \
2457 }
2458 
2459 GEN_QEMU_STORE_64(st8,  DEF_MEMOP(MO_UB))
2460 GEN_QEMU_STORE_64(st16, DEF_MEMOP(MO_UW))
2461 GEN_QEMU_STORE_64(st32, DEF_MEMOP(MO_UL))
2462 GEN_QEMU_STORE_64(st64, DEF_MEMOP(MO_Q))
2463 
2464 #if defined(TARGET_PPC64)
2465 GEN_QEMU_STORE_64(st64r, BSWAP_MEMOP(MO_Q))
2466 #endif
2467 
2468 #define GEN_LD(name, ldop, opc, type)                                         \
2469 static void glue(gen_, name)(DisasContext *ctx)                                       \
2470 {                                                                             \
2471     TCGv EA;                                                                  \
2472     gen_set_access_type(ctx, ACCESS_INT);                                     \
2473     EA = tcg_temp_new();                                                      \
2474     gen_addr_imm_index(ctx, EA, 0);                                           \
2475     gen_qemu_##ldop(ctx, cpu_gpr[rD(ctx->opcode)], EA);                       \
2476     tcg_temp_free(EA);                                                        \
2477 }
2478 
2479 #define GEN_LDU(name, ldop, opc, type)                                        \
2480 static void glue(gen_, name##u)(DisasContext *ctx)                                    \
2481 {                                                                             \
2482     TCGv EA;                                                                  \
2483     if (unlikely(rA(ctx->opcode) == 0 ||                                      \
2484                  rA(ctx->opcode) == rD(ctx->opcode))) {                       \
2485         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);                   \
2486         return;                                                               \
2487     }                                                                         \
2488     gen_set_access_type(ctx, ACCESS_INT);                                     \
2489     EA = tcg_temp_new();                                                      \
2490     if (type == PPC_64B)                                                      \
2491         gen_addr_imm_index(ctx, EA, 0x03);                                    \
2492     else                                                                      \
2493         gen_addr_imm_index(ctx, EA, 0);                                       \
2494     gen_qemu_##ldop(ctx, cpu_gpr[rD(ctx->opcode)], EA);                       \
2495     tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA);                             \
2496     tcg_temp_free(EA);                                                        \
2497 }
2498 
2499 #define GEN_LDUX(name, ldop, opc2, opc3, type)                                \
2500 static void glue(gen_, name##ux)(DisasContext *ctx)                                   \
2501 {                                                                             \
2502     TCGv EA;                                                                  \
2503     if (unlikely(rA(ctx->opcode) == 0 ||                                      \
2504                  rA(ctx->opcode) == rD(ctx->opcode))) {                       \
2505         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);                   \
2506         return;                                                               \
2507     }                                                                         \
2508     gen_set_access_type(ctx, ACCESS_INT);                                     \
2509     EA = tcg_temp_new();                                                      \
2510     gen_addr_reg_index(ctx, EA);                                              \
2511     gen_qemu_##ldop(ctx, cpu_gpr[rD(ctx->opcode)], EA);                       \
2512     tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA);                             \
2513     tcg_temp_free(EA);                                                        \
2514 }
2515 
2516 #define GEN_LDX_E(name, ldop, opc2, opc3, type, type2, chk)                   \
2517 static void glue(gen_, name##x)(DisasContext *ctx)                            \
2518 {                                                                             \
2519     TCGv EA;                                                                  \
2520     chk;                                                                      \
2521     gen_set_access_type(ctx, ACCESS_INT);                                     \
2522     EA = tcg_temp_new();                                                      \
2523     gen_addr_reg_index(ctx, EA);                                              \
2524     gen_qemu_##ldop(ctx, cpu_gpr[rD(ctx->opcode)], EA);                       \
2525     tcg_temp_free(EA);                                                        \
2526 }
2527 
2528 #define GEN_LDX(name, ldop, opc2, opc3, type)                                 \
2529     GEN_LDX_E(name, ldop, opc2, opc3, type, PPC_NONE, CHK_NONE)
2530 
2531 #define GEN_LDX_HVRM(name, ldop, opc2, opc3, type)                            \
2532     GEN_LDX_E(name, ldop, opc2, opc3, type, PPC_NONE, CHK_HVRM)
2533 
2534 #define GEN_LDS(name, ldop, op, type)                                         \
2535 GEN_LD(name, ldop, op | 0x20, type);                                          \
2536 GEN_LDU(name, ldop, op | 0x21, type);                                         \
2537 GEN_LDUX(name, ldop, 0x17, op | 0x01, type);                                  \
2538 GEN_LDX(name, ldop, 0x17, op | 0x00, type)
2539 
2540 /* lbz lbzu lbzux lbzx */
2541 GEN_LDS(lbz, ld8u, 0x02, PPC_INTEGER);
2542 /* lha lhau lhaux lhax */
2543 GEN_LDS(lha, ld16s, 0x0A, PPC_INTEGER);
2544 /* lhz lhzu lhzux lhzx */
2545 GEN_LDS(lhz, ld16u, 0x08, PPC_INTEGER);
2546 /* lwz lwzu lwzux lwzx */
2547 GEN_LDS(lwz, ld32u, 0x00, PPC_INTEGER);
2548 
2549 #define GEN_LDEPX(name, ldop, opc2, opc3)                                     \
2550 static void glue(gen_, name##epx)(DisasContext *ctx)                          \
2551 {                                                                             \
2552     TCGv EA;                                                                  \
2553     CHK_SV;                                                                   \
2554     gen_set_access_type(ctx, ACCESS_INT);                                     \
2555     EA = tcg_temp_new();                                                      \
2556     gen_addr_reg_index(ctx, EA);                                              \
2557     tcg_gen_qemu_ld_tl(cpu_gpr[rD(ctx->opcode)], EA, PPC_TLB_EPID_LOAD, ldop);\
2558     tcg_temp_free(EA);                                                        \
2559 }
2560 
2561 GEN_LDEPX(lb, DEF_MEMOP(MO_UB), 0x1F, 0x02)
2562 GEN_LDEPX(lh, DEF_MEMOP(MO_UW), 0x1F, 0x08)
2563 GEN_LDEPX(lw, DEF_MEMOP(MO_UL), 0x1F, 0x00)
2564 #if defined(TARGET_PPC64)
2565 GEN_LDEPX(ld, DEF_MEMOP(MO_Q), 0x1D, 0x00)
2566 #endif
2567 
2568 #if defined(TARGET_PPC64)
2569 /* lwaux */
2570 GEN_LDUX(lwa, ld32s, 0x15, 0x0B, PPC_64B);
2571 /* lwax */
2572 GEN_LDX(lwa, ld32s, 0x15, 0x0A, PPC_64B);
2573 /* ldux */
2574 GEN_LDUX(ld, ld64_i64, 0x15, 0x01, PPC_64B);
2575 /* ldx */
2576 GEN_LDX(ld, ld64_i64, 0x15, 0x00, PPC_64B);
2577 
2578 /* CI load/store variants */
2579 GEN_LDX_HVRM(ldcix, ld64_i64, 0x15, 0x1b, PPC_CILDST)
2580 GEN_LDX_HVRM(lwzcix, ld32u, 0x15, 0x15, PPC_CILDST)
2581 GEN_LDX_HVRM(lhzcix, ld16u, 0x15, 0x19, PPC_CILDST)
2582 GEN_LDX_HVRM(lbzcix, ld8u, 0x15, 0x1a, PPC_CILDST)
2583 
2584 static void gen_ld(DisasContext *ctx)
2585 {
2586     TCGv EA;
2587     if (Rc(ctx->opcode)) {
2588         if (unlikely(rA(ctx->opcode) == 0 ||
2589                      rA(ctx->opcode) == rD(ctx->opcode))) {
2590             gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
2591             return;
2592         }
2593     }
2594     gen_set_access_type(ctx, ACCESS_INT);
2595     EA = tcg_temp_new();
2596     gen_addr_imm_index(ctx, EA, 0x03);
2597     if (ctx->opcode & 0x02) {
2598         /* lwa (lwau is undefined) */
2599         gen_qemu_ld32s(ctx, cpu_gpr[rD(ctx->opcode)], EA);
2600     } else {
2601         /* ld - ldu */
2602         gen_qemu_ld64_i64(ctx, cpu_gpr[rD(ctx->opcode)], EA);
2603     }
2604     if (Rc(ctx->opcode))
2605         tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA);
2606     tcg_temp_free(EA);
2607 }
2608 
2609 /* lq */
2610 static void gen_lq(DisasContext *ctx)
2611 {
2612     int ra, rd;
2613     TCGv EA, hi, lo;
2614 
2615     /* lq is a legal user mode instruction starting in ISA 2.07 */
2616     bool legal_in_user_mode = (ctx->insns_flags2 & PPC2_LSQ_ISA207) != 0;
2617     bool le_is_supported = (ctx->insns_flags2 & PPC2_LSQ_ISA207) != 0;
2618 
2619     if (!legal_in_user_mode && ctx->pr) {
2620         gen_priv_exception(ctx, POWERPC_EXCP_PRIV_OPC);
2621         return;
2622     }
2623 
2624     if (!le_is_supported && ctx->le_mode) {
2625         gen_align_no_le(ctx);
2626         return;
2627     }
2628     ra = rA(ctx->opcode);
2629     rd = rD(ctx->opcode);
2630     if (unlikely((rd & 1) || rd == ra)) {
2631         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
2632         return;
2633     }
2634 
2635     gen_set_access_type(ctx, ACCESS_INT);
2636     EA = tcg_temp_new();
2637     gen_addr_imm_index(ctx, EA, 0x0F);
2638 
2639     /* Note that the low part is always in RD+1, even in LE mode.  */
2640     lo = cpu_gpr[rd + 1];
2641     hi = cpu_gpr[rd];
2642 
2643     if (tb_cflags(ctx->base.tb) & CF_PARALLEL) {
2644         if (HAVE_ATOMIC128) {
2645             TCGv_i32 oi = tcg_temp_new_i32();
2646             if (ctx->le_mode) {
2647                 tcg_gen_movi_i32(oi, make_memop_idx(MO_LEQ, ctx->mem_idx));
2648                 gen_helper_lq_le_parallel(lo, cpu_env, EA, oi);
2649             } else {
2650                 tcg_gen_movi_i32(oi, make_memop_idx(MO_BEQ, ctx->mem_idx));
2651                 gen_helper_lq_be_parallel(lo, cpu_env, EA, oi);
2652             }
2653             tcg_temp_free_i32(oi);
2654             tcg_gen_ld_i64(hi, cpu_env, offsetof(CPUPPCState, retxh));
2655         } else {
2656             /* Restart with exclusive lock.  */
2657             gen_helper_exit_atomic(cpu_env);
2658             ctx->base.is_jmp = DISAS_NORETURN;
2659         }
2660     } else if (ctx->le_mode) {
2661         tcg_gen_qemu_ld_i64(lo, EA, ctx->mem_idx, MO_LEQ);
2662         gen_addr_add(ctx, EA, EA, 8);
2663         tcg_gen_qemu_ld_i64(hi, EA, ctx->mem_idx, MO_LEQ);
2664     } else {
2665         tcg_gen_qemu_ld_i64(hi, EA, ctx->mem_idx, MO_BEQ);
2666         gen_addr_add(ctx, EA, EA, 8);
2667         tcg_gen_qemu_ld_i64(lo, EA, ctx->mem_idx, MO_BEQ);
2668     }
2669     tcg_temp_free(EA);
2670 }
2671 #endif
2672 
2673 /***                              Integer store                            ***/
2674 #define GEN_ST(name, stop, opc, type)                                         \
2675 static void glue(gen_, name)(DisasContext *ctx)                                       \
2676 {                                                                             \
2677     TCGv EA;                                                                  \
2678     gen_set_access_type(ctx, ACCESS_INT);                                     \
2679     EA = tcg_temp_new();                                                      \
2680     gen_addr_imm_index(ctx, EA, 0);                                           \
2681     gen_qemu_##stop(ctx, cpu_gpr[rS(ctx->opcode)], EA);                       \
2682     tcg_temp_free(EA);                                                        \
2683 }
2684 
2685 #define GEN_STU(name, stop, opc, type)                                        \
2686 static void glue(gen_, stop##u)(DisasContext *ctx)                                    \
2687 {                                                                             \
2688     TCGv EA;                                                                  \
2689     if (unlikely(rA(ctx->opcode) == 0)) {                                     \
2690         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);                   \
2691         return;                                                               \
2692     }                                                                         \
2693     gen_set_access_type(ctx, ACCESS_INT);                                     \
2694     EA = tcg_temp_new();                                                      \
2695     if (type == PPC_64B)                                                      \
2696         gen_addr_imm_index(ctx, EA, 0x03);                                    \
2697     else                                                                      \
2698         gen_addr_imm_index(ctx, EA, 0);                                       \
2699     gen_qemu_##stop(ctx, cpu_gpr[rS(ctx->opcode)], EA);                       \
2700     tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA);                             \
2701     tcg_temp_free(EA);                                                        \
2702 }
2703 
2704 #define GEN_STUX(name, stop, opc2, opc3, type)                                \
2705 static void glue(gen_, name##ux)(DisasContext *ctx)                                   \
2706 {                                                                             \
2707     TCGv EA;                                                                  \
2708     if (unlikely(rA(ctx->opcode) == 0)) {                                     \
2709         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);                   \
2710         return;                                                               \
2711     }                                                                         \
2712     gen_set_access_type(ctx, ACCESS_INT);                                     \
2713     EA = tcg_temp_new();                                                      \
2714     gen_addr_reg_index(ctx, EA);                                              \
2715     gen_qemu_##stop(ctx, cpu_gpr[rS(ctx->opcode)], EA);                       \
2716     tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA);                             \
2717     tcg_temp_free(EA);                                                        \
2718 }
2719 
2720 #define GEN_STX_E(name, stop, opc2, opc3, type, type2, chk)                   \
2721 static void glue(gen_, name##x)(DisasContext *ctx)                            \
2722 {                                                                             \
2723     TCGv EA;                                                                  \
2724     chk;                                                                      \
2725     gen_set_access_type(ctx, ACCESS_INT);                                     \
2726     EA = tcg_temp_new();                                                      \
2727     gen_addr_reg_index(ctx, EA);                                              \
2728     gen_qemu_##stop(ctx, cpu_gpr[rS(ctx->opcode)], EA);                       \
2729     tcg_temp_free(EA);                                                        \
2730 }
2731 #define GEN_STX(name, stop, opc2, opc3, type)                                 \
2732     GEN_STX_E(name, stop, opc2, opc3, type, PPC_NONE, CHK_NONE)
2733 
2734 #define GEN_STX_HVRM(name, stop, opc2, opc3, type)                            \
2735     GEN_STX_E(name, stop, opc2, opc3, type, PPC_NONE, CHK_HVRM)
2736 
2737 #define GEN_STS(name, stop, op, type)                                         \
2738 GEN_ST(name, stop, op | 0x20, type);                                          \
2739 GEN_STU(name, stop, op | 0x21, type);                                         \
2740 GEN_STUX(name, stop, 0x17, op | 0x01, type);                                  \
2741 GEN_STX(name, stop, 0x17, op | 0x00, type)
2742 
2743 /* stb stbu stbux stbx */
2744 GEN_STS(stb, st8, 0x06, PPC_INTEGER);
2745 /* sth sthu sthux sthx */
2746 GEN_STS(sth, st16, 0x0C, PPC_INTEGER);
2747 /* stw stwu stwux stwx */
2748 GEN_STS(stw, st32, 0x04, PPC_INTEGER);
2749 
2750 #define GEN_STEPX(name, stop, opc2, opc3)                                     \
2751 static void glue(gen_, name##epx)(DisasContext *ctx)                          \
2752 {                                                                             \
2753     TCGv EA;                                                                  \
2754     CHK_SV;                                                                   \
2755     gen_set_access_type(ctx, ACCESS_INT);                                     \
2756     EA = tcg_temp_new();                                                      \
2757     gen_addr_reg_index(ctx, EA);                                              \
2758     tcg_gen_qemu_st_tl(                                                       \
2759         cpu_gpr[rD(ctx->opcode)], EA, PPC_TLB_EPID_STORE, stop);              \
2760     tcg_temp_free(EA);                                                        \
2761 }
2762 
2763 GEN_STEPX(stb, DEF_MEMOP(MO_UB), 0x1F, 0x06)
2764 GEN_STEPX(sth, DEF_MEMOP(MO_UW), 0x1F, 0x0C)
2765 GEN_STEPX(stw, DEF_MEMOP(MO_UL), 0x1F, 0x04)
2766 #if defined(TARGET_PPC64)
2767 GEN_STEPX(std, DEF_MEMOP(MO_Q), 0x1d, 0x04)
2768 #endif
2769 
2770 #if defined(TARGET_PPC64)
2771 GEN_STUX(std, st64_i64, 0x15, 0x05, PPC_64B);
2772 GEN_STX(std, st64_i64, 0x15, 0x04, PPC_64B);
2773 GEN_STX_HVRM(stdcix, st64_i64, 0x15, 0x1f, PPC_CILDST)
2774 GEN_STX_HVRM(stwcix, st32, 0x15, 0x1c, PPC_CILDST)
2775 GEN_STX_HVRM(sthcix, st16, 0x15, 0x1d, PPC_CILDST)
2776 GEN_STX_HVRM(stbcix, st8, 0x15, 0x1e, PPC_CILDST)
2777 
2778 static void gen_std(DisasContext *ctx)
2779 {
2780     int rs;
2781     TCGv EA;
2782 
2783     rs = rS(ctx->opcode);
2784     if ((ctx->opcode & 0x3) == 0x2) { /* stq */
2785         bool legal_in_user_mode = (ctx->insns_flags2 & PPC2_LSQ_ISA207) != 0;
2786         bool le_is_supported = (ctx->insns_flags2 & PPC2_LSQ_ISA207) != 0;
2787         TCGv hi, lo;
2788 
2789         if (!(ctx->insns_flags & PPC_64BX)) {
2790             gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
2791         }
2792 
2793         if (!legal_in_user_mode && ctx->pr) {
2794             gen_priv_exception(ctx, POWERPC_EXCP_PRIV_OPC);
2795             return;
2796         }
2797 
2798         if (!le_is_supported && ctx->le_mode) {
2799             gen_align_no_le(ctx);
2800             return;
2801         }
2802 
2803         if (unlikely(rs & 1)) {
2804             gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
2805             return;
2806         }
2807         gen_set_access_type(ctx, ACCESS_INT);
2808         EA = tcg_temp_new();
2809         gen_addr_imm_index(ctx, EA, 0x03);
2810 
2811         /* Note that the low part is always in RS+1, even in LE mode.  */
2812         lo = cpu_gpr[rs + 1];
2813         hi = cpu_gpr[rs];
2814 
2815         if (tb_cflags(ctx->base.tb) & CF_PARALLEL) {
2816             if (HAVE_ATOMIC128) {
2817                 TCGv_i32 oi = tcg_temp_new_i32();
2818                 if (ctx->le_mode) {
2819                     tcg_gen_movi_i32(oi, make_memop_idx(MO_LEQ, ctx->mem_idx));
2820                     gen_helper_stq_le_parallel(cpu_env, EA, lo, hi, oi);
2821                 } else {
2822                     tcg_gen_movi_i32(oi, make_memop_idx(MO_BEQ, ctx->mem_idx));
2823                     gen_helper_stq_be_parallel(cpu_env, EA, lo, hi, oi);
2824                 }
2825                 tcg_temp_free_i32(oi);
2826             } else {
2827                 /* Restart with exclusive lock.  */
2828                 gen_helper_exit_atomic(cpu_env);
2829                 ctx->base.is_jmp = DISAS_NORETURN;
2830             }
2831         } else if (ctx->le_mode) {
2832             tcg_gen_qemu_st_i64(lo, EA, ctx->mem_idx, MO_LEQ);
2833             gen_addr_add(ctx, EA, EA, 8);
2834             tcg_gen_qemu_st_i64(hi, EA, ctx->mem_idx, MO_LEQ);
2835         } else {
2836             tcg_gen_qemu_st_i64(hi, EA, ctx->mem_idx, MO_BEQ);
2837             gen_addr_add(ctx, EA, EA, 8);
2838             tcg_gen_qemu_st_i64(lo, EA, ctx->mem_idx, MO_BEQ);
2839         }
2840         tcg_temp_free(EA);
2841     } else {
2842         /* std / stdu */
2843         if (Rc(ctx->opcode)) {
2844             if (unlikely(rA(ctx->opcode) == 0)) {
2845                 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
2846                 return;
2847             }
2848         }
2849         gen_set_access_type(ctx, ACCESS_INT);
2850         EA = tcg_temp_new();
2851         gen_addr_imm_index(ctx, EA, 0x03);
2852         gen_qemu_st64_i64(ctx, cpu_gpr[rs], EA);
2853         if (Rc(ctx->opcode))
2854             tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA);
2855         tcg_temp_free(EA);
2856     }
2857 }
2858 #endif
2859 /***                Integer load and store with byte reverse               ***/
2860 
2861 /* lhbrx */
2862 GEN_LDX(lhbr, ld16ur, 0x16, 0x18, PPC_INTEGER);
2863 
2864 /* lwbrx */
2865 GEN_LDX(lwbr, ld32ur, 0x16, 0x10, PPC_INTEGER);
2866 
2867 #if defined(TARGET_PPC64)
2868 /* ldbrx */
2869 GEN_LDX_E(ldbr, ld64ur_i64, 0x14, 0x10, PPC_NONE, PPC2_DBRX, CHK_NONE);
2870 /* stdbrx */
2871 GEN_STX_E(stdbr, st64r_i64, 0x14, 0x14, PPC_NONE, PPC2_DBRX, CHK_NONE);
2872 #endif  /* TARGET_PPC64 */
2873 
2874 /* sthbrx */
2875 GEN_STX(sthbr, st16r, 0x16, 0x1C, PPC_INTEGER);
2876 /* stwbrx */
2877 GEN_STX(stwbr, st32r, 0x16, 0x14, PPC_INTEGER);
2878 
2879 /***                    Integer load and store multiple                    ***/
2880 
2881 /* lmw */
2882 static void gen_lmw(DisasContext *ctx)
2883 {
2884     TCGv t0;
2885     TCGv_i32 t1;
2886 
2887     if (ctx->le_mode) {
2888         gen_align_no_le(ctx);
2889         return;
2890     }
2891     gen_set_access_type(ctx, ACCESS_INT);
2892     t0 = tcg_temp_new();
2893     t1 = tcg_const_i32(rD(ctx->opcode));
2894     gen_addr_imm_index(ctx, t0, 0);
2895     gen_helper_lmw(cpu_env, t0, t1);
2896     tcg_temp_free(t0);
2897     tcg_temp_free_i32(t1);
2898 }
2899 
2900 /* stmw */
2901 static void gen_stmw(DisasContext *ctx)
2902 {
2903     TCGv t0;
2904     TCGv_i32 t1;
2905 
2906     if (ctx->le_mode) {
2907         gen_align_no_le(ctx);
2908         return;
2909     }
2910     gen_set_access_type(ctx, ACCESS_INT);
2911     t0 = tcg_temp_new();
2912     t1 = tcg_const_i32(rS(ctx->opcode));
2913     gen_addr_imm_index(ctx, t0, 0);
2914     gen_helper_stmw(cpu_env, t0, t1);
2915     tcg_temp_free(t0);
2916     tcg_temp_free_i32(t1);
2917 }
2918 
2919 /***                    Integer load and store strings                     ***/
2920 
2921 /* lswi */
2922 /* PowerPC32 specification says we must generate an exception if
2923  * rA is in the range of registers to be loaded.
2924  * In an other hand, IBM says this is valid, but rA won't be loaded.
2925  * For now, I'll follow the spec...
2926  */
2927 static void gen_lswi(DisasContext *ctx)
2928 {
2929     TCGv t0;
2930     TCGv_i32 t1, t2;
2931     int nb = NB(ctx->opcode);
2932     int start = rD(ctx->opcode);
2933     int ra = rA(ctx->opcode);
2934     int nr;
2935 
2936     if (ctx->le_mode) {
2937         gen_align_no_le(ctx);
2938         return;
2939     }
2940     if (nb == 0)
2941         nb = 32;
2942     nr = DIV_ROUND_UP(nb, 4);
2943     if (unlikely(lsw_reg_in_range(start, nr, ra))) {
2944         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_LSWX);
2945         return;
2946     }
2947     gen_set_access_type(ctx, ACCESS_INT);
2948     t0 = tcg_temp_new();
2949     gen_addr_register(ctx, t0);
2950     t1 = tcg_const_i32(nb);
2951     t2 = tcg_const_i32(start);
2952     gen_helper_lsw(cpu_env, t0, t1, t2);
2953     tcg_temp_free(t0);
2954     tcg_temp_free_i32(t1);
2955     tcg_temp_free_i32(t2);
2956 }
2957 
2958 /* lswx */
2959 static void gen_lswx(DisasContext *ctx)
2960 {
2961     TCGv t0;
2962     TCGv_i32 t1, t2, t3;
2963 
2964     if (ctx->le_mode) {
2965         gen_align_no_le(ctx);
2966         return;
2967     }
2968     gen_set_access_type(ctx, ACCESS_INT);
2969     t0 = tcg_temp_new();
2970     gen_addr_reg_index(ctx, t0);
2971     t1 = tcg_const_i32(rD(ctx->opcode));
2972     t2 = tcg_const_i32(rA(ctx->opcode));
2973     t3 = tcg_const_i32(rB(ctx->opcode));
2974     gen_helper_lswx(cpu_env, t0, t1, t2, t3);
2975     tcg_temp_free(t0);
2976     tcg_temp_free_i32(t1);
2977     tcg_temp_free_i32(t2);
2978     tcg_temp_free_i32(t3);
2979 }
2980 
2981 /* stswi */
2982 static void gen_stswi(DisasContext *ctx)
2983 {
2984     TCGv t0;
2985     TCGv_i32 t1, t2;
2986     int nb = NB(ctx->opcode);
2987 
2988     if (ctx->le_mode) {
2989         gen_align_no_le(ctx);
2990         return;
2991     }
2992     gen_set_access_type(ctx, ACCESS_INT);
2993     t0 = tcg_temp_new();
2994     gen_addr_register(ctx, t0);
2995     if (nb == 0)
2996         nb = 32;
2997     t1 = tcg_const_i32(nb);
2998     t2 = tcg_const_i32(rS(ctx->opcode));
2999     gen_helper_stsw(cpu_env, t0, t1, t2);
3000     tcg_temp_free(t0);
3001     tcg_temp_free_i32(t1);
3002     tcg_temp_free_i32(t2);
3003 }
3004 
3005 /* stswx */
3006 static void gen_stswx(DisasContext *ctx)
3007 {
3008     TCGv t0;
3009     TCGv_i32 t1, t2;
3010 
3011     if (ctx->le_mode) {
3012         gen_align_no_le(ctx);
3013         return;
3014     }
3015     gen_set_access_type(ctx, ACCESS_INT);
3016     t0 = tcg_temp_new();
3017     gen_addr_reg_index(ctx, t0);
3018     t1 = tcg_temp_new_i32();
3019     tcg_gen_trunc_tl_i32(t1, cpu_xer);
3020     tcg_gen_andi_i32(t1, t1, 0x7F);
3021     t2 = tcg_const_i32(rS(ctx->opcode));
3022     gen_helper_stsw(cpu_env, t0, t1, t2);
3023     tcg_temp_free(t0);
3024     tcg_temp_free_i32(t1);
3025     tcg_temp_free_i32(t2);
3026 }
3027 
3028 /***                        Memory synchronisation                         ***/
3029 /* eieio */
3030 static void gen_eieio(DisasContext *ctx)
3031 {
3032     TCGBar bar = TCG_MO_LD_ST;
3033 
3034     /*
3035      * POWER9 has a eieio instruction variant using bit 6 as a hint to
3036      * tell the CPU it is a store-forwarding barrier.
3037      */
3038     if (ctx->opcode & 0x2000000) {
3039         /*
3040          * ISA says that "Reserved fields in instructions are ignored
3041          * by the processor". So ignore the bit 6 on non-POWER9 CPU but
3042          * as this is not an instruction software should be using,
3043          * complain to the user.
3044          */
3045         if (!(ctx->insns_flags2 & PPC2_ISA300)) {
3046             qemu_log_mask(LOG_GUEST_ERROR, "invalid eieio using bit 6 at @"
3047                           TARGET_FMT_lx "\n", ctx->base.pc_next - 4);
3048         } else {
3049             bar = TCG_MO_ST_LD;
3050         }
3051     }
3052 
3053     tcg_gen_mb(bar | TCG_BAR_SC);
3054 }
3055 
3056 #if !defined(CONFIG_USER_ONLY)
3057 static inline void gen_check_tlb_flush(DisasContext *ctx, bool global)
3058 {
3059     TCGv_i32 t;
3060     TCGLabel *l;
3061 
3062     if (!ctx->lazy_tlb_flush) {
3063         return;
3064     }
3065     l = gen_new_label();
3066     t = tcg_temp_new_i32();
3067     tcg_gen_ld_i32(t, cpu_env, offsetof(CPUPPCState, tlb_need_flush));
3068     tcg_gen_brcondi_i32(TCG_COND_EQ, t, 0, l);
3069     if (global) {
3070         gen_helper_check_tlb_flush_global(cpu_env);
3071     } else {
3072         gen_helper_check_tlb_flush_local(cpu_env);
3073     }
3074     gen_set_label(l);
3075     tcg_temp_free_i32(t);
3076 }
3077 #else
3078 static inline void gen_check_tlb_flush(DisasContext *ctx, bool global) { }
3079 #endif
3080 
3081 /* isync */
3082 static void gen_isync(DisasContext *ctx)
3083 {
3084     /*
3085      * We need to check for a pending TLB flush. This can only happen in
3086      * kernel mode however so check MSR_PR
3087      */
3088     if (!ctx->pr) {
3089         gen_check_tlb_flush(ctx, false);
3090     }
3091     tcg_gen_mb(TCG_MO_ALL | TCG_BAR_SC);
3092     gen_stop_exception(ctx);
3093 }
3094 
3095 #define MEMOP_GET_SIZE(x)  (1 << ((x) & MO_SIZE))
3096 
3097 static void gen_load_locked(DisasContext *ctx, TCGMemOp memop)
3098 {
3099     TCGv gpr = cpu_gpr[rD(ctx->opcode)];
3100     TCGv t0 = tcg_temp_new();
3101 
3102     gen_set_access_type(ctx, ACCESS_RES);
3103     gen_addr_reg_index(ctx, t0);
3104     tcg_gen_qemu_ld_tl(gpr, t0, ctx->mem_idx, memop | MO_ALIGN);
3105     tcg_gen_mov_tl(cpu_reserve, t0);
3106     tcg_gen_mov_tl(cpu_reserve_val, gpr);
3107     tcg_gen_mb(TCG_MO_ALL | TCG_BAR_LDAQ);
3108     tcg_temp_free(t0);
3109 }
3110 
3111 #define LARX(name, memop)                  \
3112 static void gen_##name(DisasContext *ctx)  \
3113 {                                          \
3114     gen_load_locked(ctx, memop);           \
3115 }
3116 
3117 /* lwarx */
3118 LARX(lbarx, DEF_MEMOP(MO_UB))
3119 LARX(lharx, DEF_MEMOP(MO_UW))
3120 LARX(lwarx, DEF_MEMOP(MO_UL))
3121 
3122 static void gen_fetch_inc_conditional(DisasContext *ctx, TCGMemOp memop,
3123                                       TCGv EA, TCGCond cond, int addend)
3124 {
3125     TCGv t = tcg_temp_new();
3126     TCGv t2 = tcg_temp_new();
3127     TCGv u = tcg_temp_new();
3128 
3129     tcg_gen_qemu_ld_tl(t, EA, ctx->mem_idx, memop);
3130     tcg_gen_addi_tl(t2, EA, MEMOP_GET_SIZE(memop));
3131     tcg_gen_qemu_ld_tl(t2, t2, ctx->mem_idx, memop);
3132     tcg_gen_addi_tl(u, t, addend);
3133 
3134     /* E.g. for fetch and increment bounded... */
3135     /* mem(EA,s) = (t != t2 ? u = t + 1 : t) */
3136     tcg_gen_movcond_tl(cond, u, t, t2, u, t);
3137     tcg_gen_qemu_st_tl(u, EA, ctx->mem_idx, memop);
3138 
3139     /* RT = (t != t2 ? t : u = 1<<(s*8-1)) */
3140     tcg_gen_movi_tl(u, 1 << (MEMOP_GET_SIZE(memop) * 8 - 1));
3141     tcg_gen_movcond_tl(cond, cpu_gpr[rD(ctx->opcode)], t, t2, t, u);
3142 
3143     tcg_temp_free(t);
3144     tcg_temp_free(t2);
3145     tcg_temp_free(u);
3146 }
3147 
3148 static void gen_ld_atomic(DisasContext *ctx, TCGMemOp memop)
3149 {
3150     uint32_t gpr_FC = FC(ctx->opcode);
3151     TCGv EA = tcg_temp_new();
3152     int rt = rD(ctx->opcode);
3153     bool need_serial;
3154     TCGv src, dst;
3155 
3156     gen_addr_register(ctx, EA);
3157     dst = cpu_gpr[rt];
3158     src = cpu_gpr[(rt + 1) & 31];
3159 
3160     need_serial = false;
3161     memop |= MO_ALIGN;
3162     switch (gpr_FC) {
3163     case 0: /* Fetch and add */
3164         tcg_gen_atomic_fetch_add_tl(dst, EA, src, ctx->mem_idx, memop);
3165         break;
3166     case 1: /* Fetch and xor */
3167         tcg_gen_atomic_fetch_xor_tl(dst, EA, src, ctx->mem_idx, memop);
3168         break;
3169     case 2: /* Fetch and or */
3170         tcg_gen_atomic_fetch_or_tl(dst, EA, src, ctx->mem_idx, memop);
3171         break;
3172     case 3: /* Fetch and 'and' */
3173         tcg_gen_atomic_fetch_and_tl(dst, EA, src, ctx->mem_idx, memop);
3174         break;
3175     case 4:  /* Fetch and max unsigned */
3176         tcg_gen_atomic_fetch_umax_tl(dst, EA, src, ctx->mem_idx, memop);
3177         break;
3178     case 5:  /* Fetch and max signed */
3179         tcg_gen_atomic_fetch_smax_tl(dst, EA, src, ctx->mem_idx, memop);
3180         break;
3181     case 6:  /* Fetch and min unsigned */
3182         tcg_gen_atomic_fetch_umin_tl(dst, EA, src, ctx->mem_idx, memop);
3183         break;
3184     case 7:  /* Fetch and min signed */
3185         tcg_gen_atomic_fetch_smin_tl(dst, EA, src, ctx->mem_idx, memop);
3186         break;
3187     case 8: /* Swap */
3188         tcg_gen_atomic_xchg_tl(dst, EA, src, ctx->mem_idx, memop);
3189         break;
3190 
3191     case 16: /* Compare and swap not equal */
3192         if (tb_cflags(ctx->base.tb) & CF_PARALLEL) {
3193             need_serial = true;
3194         } else {
3195             TCGv t0 = tcg_temp_new();
3196             TCGv t1 = tcg_temp_new();
3197 
3198             tcg_gen_qemu_ld_tl(t0, EA, ctx->mem_idx, memop);
3199             if ((memop & MO_SIZE) == MO_64 || TARGET_LONG_BITS == 32) {
3200                 tcg_gen_mov_tl(t1, src);
3201             } else {
3202                 tcg_gen_ext32u_tl(t1, src);
3203             }
3204             tcg_gen_movcond_tl(TCG_COND_NE, t1, t0, t1,
3205                                cpu_gpr[(rt + 2) & 31], t0);
3206             tcg_gen_qemu_st_tl(t1, EA, ctx->mem_idx, memop);
3207             tcg_gen_mov_tl(dst, t0);
3208 
3209             tcg_temp_free(t0);
3210             tcg_temp_free(t1);
3211         }
3212         break;
3213 
3214     case 24: /* Fetch and increment bounded */
3215         if (tb_cflags(ctx->base.tb) & CF_PARALLEL) {
3216             need_serial = true;
3217         } else {
3218             gen_fetch_inc_conditional(ctx, memop, EA, TCG_COND_NE, 1);
3219         }
3220         break;
3221     case 25: /* Fetch and increment equal */
3222         if (tb_cflags(ctx->base.tb) & CF_PARALLEL) {
3223             need_serial = true;
3224         } else {
3225             gen_fetch_inc_conditional(ctx, memop, EA, TCG_COND_EQ, 1);
3226         }
3227         break;
3228     case 28: /* Fetch and decrement bounded */
3229         if (tb_cflags(ctx->base.tb) & CF_PARALLEL) {
3230             need_serial = true;
3231         } else {
3232             gen_fetch_inc_conditional(ctx, memop, EA, TCG_COND_NE, -1);
3233         }
3234         break;
3235 
3236     default:
3237         /* invoke data storage error handler */
3238         gen_exception_err(ctx, POWERPC_EXCP_DSI, POWERPC_EXCP_INVAL);
3239     }
3240     tcg_temp_free(EA);
3241 
3242     if (need_serial) {
3243         /* Restart with exclusive lock.  */
3244         gen_helper_exit_atomic(cpu_env);
3245         ctx->base.is_jmp = DISAS_NORETURN;
3246     }
3247 }
3248 
3249 static void gen_lwat(DisasContext *ctx)
3250 {
3251     gen_ld_atomic(ctx, DEF_MEMOP(MO_UL));
3252 }
3253 
3254 #ifdef TARGET_PPC64
3255 static void gen_ldat(DisasContext *ctx)
3256 {
3257     gen_ld_atomic(ctx, DEF_MEMOP(MO_Q));
3258 }
3259 #endif
3260 
3261 static void gen_st_atomic(DisasContext *ctx, TCGMemOp memop)
3262 {
3263     uint32_t gpr_FC = FC(ctx->opcode);
3264     TCGv EA = tcg_temp_new();
3265     TCGv src, discard;
3266 
3267     gen_addr_register(ctx, EA);
3268     src = cpu_gpr[rD(ctx->opcode)];
3269     discard = tcg_temp_new();
3270 
3271     memop |= MO_ALIGN;
3272     switch (gpr_FC) {
3273     case 0: /* add and Store */
3274         tcg_gen_atomic_add_fetch_tl(discard, EA, src, ctx->mem_idx, memop);
3275         break;
3276     case 1: /* xor and Store */
3277         tcg_gen_atomic_xor_fetch_tl(discard, EA, src, ctx->mem_idx, memop);
3278         break;
3279     case 2: /* Or and Store */
3280         tcg_gen_atomic_or_fetch_tl(discard, EA, src, ctx->mem_idx, memop);
3281         break;
3282     case 3: /* 'and' and Store */
3283         tcg_gen_atomic_and_fetch_tl(discard, EA, src, ctx->mem_idx, memop);
3284         break;
3285     case 4:  /* Store max unsigned */
3286         tcg_gen_atomic_umax_fetch_tl(discard, EA, src, ctx->mem_idx, memop);
3287         break;
3288     case 5:  /* Store max signed */
3289         tcg_gen_atomic_smax_fetch_tl(discard, EA, src, ctx->mem_idx, memop);
3290         break;
3291     case 6:  /* Store min unsigned */
3292         tcg_gen_atomic_umin_fetch_tl(discard, EA, src, ctx->mem_idx, memop);
3293         break;
3294     case 7:  /* Store min signed */
3295         tcg_gen_atomic_smin_fetch_tl(discard, EA, src, ctx->mem_idx, memop);
3296         break;
3297     case 24: /* Store twin  */
3298         if (tb_cflags(ctx->base.tb) & CF_PARALLEL) {
3299             /* Restart with exclusive lock.  */
3300             gen_helper_exit_atomic(cpu_env);
3301             ctx->base.is_jmp = DISAS_NORETURN;
3302         } else {
3303             TCGv t = tcg_temp_new();
3304             TCGv t2 = tcg_temp_new();
3305             TCGv s = tcg_temp_new();
3306             TCGv s2 = tcg_temp_new();
3307             TCGv ea_plus_s = tcg_temp_new();
3308 
3309             tcg_gen_qemu_ld_tl(t, EA, ctx->mem_idx, memop);
3310             tcg_gen_addi_tl(ea_plus_s, EA, MEMOP_GET_SIZE(memop));
3311             tcg_gen_qemu_ld_tl(t2, ea_plus_s, ctx->mem_idx, memop);
3312             tcg_gen_movcond_tl(TCG_COND_EQ, s, t, t2, src, t);
3313             tcg_gen_movcond_tl(TCG_COND_EQ, s2, t, t2, src, t2);
3314             tcg_gen_qemu_st_tl(s, EA, ctx->mem_idx, memop);
3315             tcg_gen_qemu_st_tl(s2, ea_plus_s, ctx->mem_idx, memop);
3316 
3317             tcg_temp_free(ea_plus_s);
3318             tcg_temp_free(s2);
3319             tcg_temp_free(s);
3320             tcg_temp_free(t2);
3321             tcg_temp_free(t);
3322         }
3323         break;
3324     default:
3325         /* invoke data storage error handler */
3326         gen_exception_err(ctx, POWERPC_EXCP_DSI, POWERPC_EXCP_INVAL);
3327     }
3328     tcg_temp_free(discard);
3329     tcg_temp_free(EA);
3330 }
3331 
3332 static void gen_stwat(DisasContext *ctx)
3333 {
3334     gen_st_atomic(ctx, DEF_MEMOP(MO_UL));
3335 }
3336 
3337 #ifdef TARGET_PPC64
3338 static void gen_stdat(DisasContext *ctx)
3339 {
3340     gen_st_atomic(ctx, DEF_MEMOP(MO_Q));
3341 }
3342 #endif
3343 
3344 static void gen_conditional_store(DisasContext *ctx, TCGMemOp memop)
3345 {
3346     TCGLabel *l1 = gen_new_label();
3347     TCGLabel *l2 = gen_new_label();
3348     TCGv t0 = tcg_temp_new();
3349     int reg = rS(ctx->opcode);
3350 
3351     gen_set_access_type(ctx, ACCESS_RES);
3352     gen_addr_reg_index(ctx, t0);
3353     tcg_gen_brcond_tl(TCG_COND_NE, t0, cpu_reserve, l1);
3354     tcg_temp_free(t0);
3355 
3356     t0 = tcg_temp_new();
3357     tcg_gen_atomic_cmpxchg_tl(t0, cpu_reserve, cpu_reserve_val,
3358                               cpu_gpr[reg], ctx->mem_idx,
3359                               DEF_MEMOP(memop) | MO_ALIGN);
3360     tcg_gen_setcond_tl(TCG_COND_EQ, t0, t0, cpu_reserve_val);
3361     tcg_gen_shli_tl(t0, t0, CRF_EQ_BIT);
3362     tcg_gen_or_tl(t0, t0, cpu_so);
3363     tcg_gen_trunc_tl_i32(cpu_crf[0], t0);
3364     tcg_temp_free(t0);
3365     tcg_gen_br(l2);
3366 
3367     gen_set_label(l1);
3368 
3369     /* Address mismatch implies failure.  But we still need to provide the
3370        memory barrier semantics of the instruction.  */
3371     tcg_gen_mb(TCG_MO_ALL | TCG_BAR_STRL);
3372     tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so);
3373 
3374     gen_set_label(l2);
3375     tcg_gen_movi_tl(cpu_reserve, -1);
3376 }
3377 
3378 #define STCX(name, memop)                  \
3379 static void gen_##name(DisasContext *ctx)  \
3380 {                                          \
3381     gen_conditional_store(ctx, memop);     \
3382 }
3383 
3384 STCX(stbcx_, DEF_MEMOP(MO_UB))
3385 STCX(sthcx_, DEF_MEMOP(MO_UW))
3386 STCX(stwcx_, DEF_MEMOP(MO_UL))
3387 
3388 #if defined(TARGET_PPC64)
3389 /* ldarx */
3390 LARX(ldarx, DEF_MEMOP(MO_Q))
3391 /* stdcx. */
3392 STCX(stdcx_, DEF_MEMOP(MO_Q))
3393 
3394 /* lqarx */
3395 static void gen_lqarx(DisasContext *ctx)
3396 {
3397     int rd = rD(ctx->opcode);
3398     TCGv EA, hi, lo;
3399 
3400     if (unlikely((rd & 1) || (rd == rA(ctx->opcode)) ||
3401                  (rd == rB(ctx->opcode)))) {
3402         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
3403         return;
3404     }
3405 
3406     gen_set_access_type(ctx, ACCESS_RES);
3407     EA = tcg_temp_new();
3408     gen_addr_reg_index(ctx, EA);
3409 
3410     /* Note that the low part is always in RD+1, even in LE mode.  */
3411     lo = cpu_gpr[rd + 1];
3412     hi = cpu_gpr[rd];
3413 
3414     if (tb_cflags(ctx->base.tb) & CF_PARALLEL) {
3415         if (HAVE_ATOMIC128) {
3416             TCGv_i32 oi = tcg_temp_new_i32();
3417             if (ctx->le_mode) {
3418                 tcg_gen_movi_i32(oi, make_memop_idx(MO_LEQ | MO_ALIGN_16,
3419                                                     ctx->mem_idx));
3420                 gen_helper_lq_le_parallel(lo, cpu_env, EA, oi);
3421             } else {
3422                 tcg_gen_movi_i32(oi, make_memop_idx(MO_BEQ | MO_ALIGN_16,
3423                                                     ctx->mem_idx));
3424                 gen_helper_lq_be_parallel(lo, cpu_env, EA, oi);
3425             }
3426             tcg_temp_free_i32(oi);
3427             tcg_gen_ld_i64(hi, cpu_env, offsetof(CPUPPCState, retxh));
3428         } else {
3429             /* Restart with exclusive lock.  */
3430             gen_helper_exit_atomic(cpu_env);
3431             ctx->base.is_jmp = DISAS_NORETURN;
3432             tcg_temp_free(EA);
3433             return;
3434         }
3435     } else if (ctx->le_mode) {
3436         tcg_gen_qemu_ld_i64(lo, EA, ctx->mem_idx, MO_LEQ | MO_ALIGN_16);
3437         tcg_gen_mov_tl(cpu_reserve, EA);
3438         gen_addr_add(ctx, EA, EA, 8);
3439         tcg_gen_qemu_ld_i64(hi, EA, ctx->mem_idx, MO_LEQ);
3440     } else {
3441         tcg_gen_qemu_ld_i64(hi, EA, ctx->mem_idx, MO_BEQ | MO_ALIGN_16);
3442         tcg_gen_mov_tl(cpu_reserve, EA);
3443         gen_addr_add(ctx, EA, EA, 8);
3444         tcg_gen_qemu_ld_i64(lo, EA, ctx->mem_idx, MO_BEQ);
3445     }
3446     tcg_temp_free(EA);
3447 
3448     tcg_gen_st_tl(hi, cpu_env, offsetof(CPUPPCState, reserve_val));
3449     tcg_gen_st_tl(lo, cpu_env, offsetof(CPUPPCState, reserve_val2));
3450 }
3451 
3452 /* stqcx. */
3453 static void gen_stqcx_(DisasContext *ctx)
3454 {
3455     int rs = rS(ctx->opcode);
3456     TCGv EA, hi, lo;
3457 
3458     if (unlikely(rs & 1)) {
3459         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
3460         return;
3461     }
3462 
3463     gen_set_access_type(ctx, ACCESS_RES);
3464     EA = tcg_temp_new();
3465     gen_addr_reg_index(ctx, EA);
3466 
3467     /* Note that the low part is always in RS+1, even in LE mode.  */
3468     lo = cpu_gpr[rs + 1];
3469     hi = cpu_gpr[rs];
3470 
3471     if (tb_cflags(ctx->base.tb) & CF_PARALLEL) {
3472         if (HAVE_CMPXCHG128) {
3473             TCGv_i32 oi = tcg_const_i32(DEF_MEMOP(MO_Q) | MO_ALIGN_16);
3474             if (ctx->le_mode) {
3475                 gen_helper_stqcx_le_parallel(cpu_crf[0], cpu_env,
3476                                              EA, lo, hi, oi);
3477             } else {
3478                 gen_helper_stqcx_be_parallel(cpu_crf[0], cpu_env,
3479                                              EA, lo, hi, oi);
3480             }
3481             tcg_temp_free_i32(oi);
3482         } else {
3483             /* Restart with exclusive lock.  */
3484             gen_helper_exit_atomic(cpu_env);
3485             ctx->base.is_jmp = DISAS_NORETURN;
3486         }
3487         tcg_temp_free(EA);
3488     } else {
3489         TCGLabel *lab_fail = gen_new_label();
3490         TCGLabel *lab_over = gen_new_label();
3491         TCGv_i64 t0 = tcg_temp_new_i64();
3492         TCGv_i64 t1 = tcg_temp_new_i64();
3493 
3494         tcg_gen_brcond_tl(TCG_COND_NE, EA, cpu_reserve, lab_fail);
3495         tcg_temp_free(EA);
3496 
3497         gen_qemu_ld64_i64(ctx, t0, cpu_reserve);
3498         tcg_gen_ld_i64(t1, cpu_env, (ctx->le_mode
3499                                      ? offsetof(CPUPPCState, reserve_val2)
3500                                      : offsetof(CPUPPCState, reserve_val)));
3501         tcg_gen_brcond_i64(TCG_COND_NE, t0, t1, lab_fail);
3502 
3503         tcg_gen_addi_i64(t0, cpu_reserve, 8);
3504         gen_qemu_ld64_i64(ctx, t0, t0);
3505         tcg_gen_ld_i64(t1, cpu_env, (ctx->le_mode
3506                                      ? offsetof(CPUPPCState, reserve_val)
3507                                      : offsetof(CPUPPCState, reserve_val2)));
3508         tcg_gen_brcond_i64(TCG_COND_NE, t0, t1, lab_fail);
3509 
3510         /* Success */
3511         gen_qemu_st64_i64(ctx, ctx->le_mode ? lo : hi, cpu_reserve);
3512         tcg_gen_addi_i64(t0, cpu_reserve, 8);
3513         gen_qemu_st64_i64(ctx, ctx->le_mode ? hi : lo, t0);
3514 
3515         tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so);
3516         tcg_gen_ori_i32(cpu_crf[0], cpu_crf[0], CRF_EQ);
3517         tcg_gen_br(lab_over);
3518 
3519         gen_set_label(lab_fail);
3520         tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so);
3521 
3522         gen_set_label(lab_over);
3523         tcg_gen_movi_tl(cpu_reserve, -1);
3524         tcg_temp_free_i64(t0);
3525         tcg_temp_free_i64(t1);
3526     }
3527 }
3528 #endif /* defined(TARGET_PPC64) */
3529 
3530 /* sync */
3531 static void gen_sync(DisasContext *ctx)
3532 {
3533     uint32_t l = (ctx->opcode >> 21) & 3;
3534 
3535     /*
3536      * We may need to check for a pending TLB flush.
3537      *
3538      * We do this on ptesync (l == 2) on ppc64 and any sync pn ppc32.
3539      *
3540      * Additionally, this can only happen in kernel mode however so
3541      * check MSR_PR as well.
3542      */
3543     if (((l == 2) || !(ctx->insns_flags & PPC_64B)) && !ctx->pr) {
3544         gen_check_tlb_flush(ctx, true);
3545     }
3546     tcg_gen_mb(TCG_MO_ALL | TCG_BAR_SC);
3547 }
3548 
3549 /* wait */
3550 static void gen_wait(DisasContext *ctx)
3551 {
3552     TCGv_i32 t0 = tcg_const_i32(1);
3553     tcg_gen_st_i32(t0, cpu_env,
3554                    -offsetof(PowerPCCPU, env) + offsetof(CPUState, halted));
3555     tcg_temp_free_i32(t0);
3556     /* Stop translation, as the CPU is supposed to sleep from now */
3557     gen_exception_nip(ctx, EXCP_HLT, ctx->base.pc_next);
3558 }
3559 
3560 #if defined(TARGET_PPC64)
3561 static void gen_doze(DisasContext *ctx)
3562 {
3563 #if defined(CONFIG_USER_ONLY)
3564     GEN_PRIV;
3565 #else
3566     TCGv_i32 t;
3567 
3568     CHK_HV;
3569     t = tcg_const_i32(PPC_PM_DOZE);
3570     gen_helper_pminsn(cpu_env, t);
3571     tcg_temp_free_i32(t);
3572     gen_stop_exception(ctx);
3573 #endif /* defined(CONFIG_USER_ONLY) */
3574 }
3575 
3576 static void gen_nap(DisasContext *ctx)
3577 {
3578 #if defined(CONFIG_USER_ONLY)
3579     GEN_PRIV;
3580 #else
3581     TCGv_i32 t;
3582 
3583     CHK_HV;
3584     t = tcg_const_i32(PPC_PM_NAP);
3585     gen_helper_pminsn(cpu_env, t);
3586     tcg_temp_free_i32(t);
3587     gen_stop_exception(ctx);
3588 #endif /* defined(CONFIG_USER_ONLY) */
3589 }
3590 
3591 static void gen_stop(DisasContext *ctx)
3592 {
3593     gen_nap(ctx);
3594 }
3595 
3596 static void gen_sleep(DisasContext *ctx)
3597 {
3598 #if defined(CONFIG_USER_ONLY)
3599     GEN_PRIV;
3600 #else
3601     TCGv_i32 t;
3602 
3603     CHK_HV;
3604     t = tcg_const_i32(PPC_PM_SLEEP);
3605     gen_helper_pminsn(cpu_env, t);
3606     tcg_temp_free_i32(t);
3607     gen_stop_exception(ctx);
3608 #endif /* defined(CONFIG_USER_ONLY) */
3609 }
3610 
3611 static void gen_rvwinkle(DisasContext *ctx)
3612 {
3613 #if defined(CONFIG_USER_ONLY)
3614     GEN_PRIV;
3615 #else
3616     TCGv_i32 t;
3617 
3618     CHK_HV;
3619     t = tcg_const_i32(PPC_PM_RVWINKLE);
3620     gen_helper_pminsn(cpu_env, t);
3621     tcg_temp_free_i32(t);
3622     gen_stop_exception(ctx);
3623 #endif /* defined(CONFIG_USER_ONLY) */
3624 }
3625 #endif /* #if defined(TARGET_PPC64) */
3626 
3627 static inline void gen_update_cfar(DisasContext *ctx, target_ulong nip)
3628 {
3629 #if defined(TARGET_PPC64)
3630     if (ctx->has_cfar)
3631         tcg_gen_movi_tl(cpu_cfar, nip);
3632 #endif
3633 }
3634 
3635 static inline bool use_goto_tb(DisasContext *ctx, target_ulong dest)
3636 {
3637     if (unlikely(ctx->singlestep_enabled)) {
3638         return false;
3639     }
3640 
3641 #ifndef CONFIG_USER_ONLY
3642     return (ctx->base.tb->pc & TARGET_PAGE_MASK) == (dest & TARGET_PAGE_MASK);
3643 #else
3644     return true;
3645 #endif
3646 }
3647 
3648 static void gen_lookup_and_goto_ptr(DisasContext *ctx)
3649 {
3650     int sse = ctx->singlestep_enabled;
3651     if (unlikely(sse)) {
3652         if (sse & GDBSTUB_SINGLE_STEP) {
3653             gen_debug_exception(ctx);
3654         } else if (sse & (CPU_SINGLE_STEP | CPU_BRANCH_STEP)) {
3655             uint32_t excp = gen_prep_dbgex(ctx, POWERPC_EXCP_BRANCH);
3656             if (excp != POWERPC_EXCP_NONE) {
3657                 gen_exception(ctx, excp);
3658             }
3659         }
3660         tcg_gen_exit_tb(NULL, 0);
3661     } else {
3662         tcg_gen_lookup_and_goto_ptr();
3663     }
3664 }
3665 
3666 /***                                Branch                                 ***/
3667 static void gen_goto_tb(DisasContext *ctx, int n, target_ulong dest)
3668 {
3669     if (NARROW_MODE(ctx)) {
3670         dest = (uint32_t) dest;
3671     }
3672     if (use_goto_tb(ctx, dest)) {
3673         tcg_gen_goto_tb(n);
3674         tcg_gen_movi_tl(cpu_nip, dest & ~3);
3675         tcg_gen_exit_tb(ctx->base.tb, n);
3676     } else {
3677         tcg_gen_movi_tl(cpu_nip, dest & ~3);
3678         gen_lookup_and_goto_ptr(ctx);
3679     }
3680 }
3681 
3682 static inline void gen_setlr(DisasContext *ctx, target_ulong nip)
3683 {
3684     if (NARROW_MODE(ctx)) {
3685         nip = (uint32_t)nip;
3686     }
3687     tcg_gen_movi_tl(cpu_lr, nip);
3688 }
3689 
3690 /* b ba bl bla */
3691 static void gen_b(DisasContext *ctx)
3692 {
3693     target_ulong li, target;
3694 
3695     ctx->exception = POWERPC_EXCP_BRANCH;
3696     /* sign extend LI */
3697     li = LI(ctx->opcode);
3698     li = (li ^ 0x02000000) - 0x02000000;
3699     if (likely(AA(ctx->opcode) == 0)) {
3700         target = ctx->base.pc_next + li - 4;
3701     } else {
3702         target = li;
3703     }
3704     if (LK(ctx->opcode)) {
3705         gen_setlr(ctx, ctx->base.pc_next);
3706     }
3707     gen_update_cfar(ctx, ctx->base.pc_next - 4);
3708     gen_goto_tb(ctx, 0, target);
3709 }
3710 
3711 #define BCOND_IM  0
3712 #define BCOND_LR  1
3713 #define BCOND_CTR 2
3714 #define BCOND_TAR 3
3715 
3716 static void gen_bcond(DisasContext *ctx, int type)
3717 {
3718     uint32_t bo = BO(ctx->opcode);
3719     TCGLabel *l1;
3720     TCGv target;
3721     ctx->exception = POWERPC_EXCP_BRANCH;
3722 
3723     if (type == BCOND_LR || type == BCOND_CTR || type == BCOND_TAR) {
3724         target = tcg_temp_local_new();
3725         if (type == BCOND_CTR)
3726             tcg_gen_mov_tl(target, cpu_ctr);
3727         else if (type == BCOND_TAR)
3728             gen_load_spr(target, SPR_TAR);
3729         else
3730             tcg_gen_mov_tl(target, cpu_lr);
3731     } else {
3732         target = NULL;
3733     }
3734     if (LK(ctx->opcode))
3735         gen_setlr(ctx, ctx->base.pc_next);
3736     l1 = gen_new_label();
3737     if ((bo & 0x4) == 0) {
3738         /* Decrement and test CTR */
3739         TCGv temp = tcg_temp_new();
3740         if (unlikely(type == BCOND_CTR)) {
3741             gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
3742             return;
3743         }
3744         tcg_gen_subi_tl(cpu_ctr, cpu_ctr, 1);
3745         if (NARROW_MODE(ctx)) {
3746             tcg_gen_ext32u_tl(temp, cpu_ctr);
3747         } else {
3748             tcg_gen_mov_tl(temp, cpu_ctr);
3749         }
3750         if (bo & 0x2) {
3751             tcg_gen_brcondi_tl(TCG_COND_NE, temp, 0, l1);
3752         } else {
3753             tcg_gen_brcondi_tl(TCG_COND_EQ, temp, 0, l1);
3754         }
3755         tcg_temp_free(temp);
3756     }
3757     if ((bo & 0x10) == 0) {
3758         /* Test CR */
3759         uint32_t bi = BI(ctx->opcode);
3760         uint32_t mask = 0x08 >> (bi & 0x03);
3761         TCGv_i32 temp = tcg_temp_new_i32();
3762 
3763         if (bo & 0x8) {
3764             tcg_gen_andi_i32(temp, cpu_crf[bi >> 2], mask);
3765             tcg_gen_brcondi_i32(TCG_COND_EQ, temp, 0, l1);
3766         } else {
3767             tcg_gen_andi_i32(temp, cpu_crf[bi >> 2], mask);
3768             tcg_gen_brcondi_i32(TCG_COND_NE, temp, 0, l1);
3769         }
3770         tcg_temp_free_i32(temp);
3771     }
3772     gen_update_cfar(ctx, ctx->base.pc_next - 4);
3773     if (type == BCOND_IM) {
3774         target_ulong li = (target_long)((int16_t)(BD(ctx->opcode)));
3775         if (likely(AA(ctx->opcode) == 0)) {
3776             gen_goto_tb(ctx, 0, ctx->base.pc_next + li - 4);
3777         } else {
3778             gen_goto_tb(ctx, 0, li);
3779         }
3780     } else {
3781         if (NARROW_MODE(ctx)) {
3782             tcg_gen_andi_tl(cpu_nip, target, (uint32_t)~3);
3783         } else {
3784             tcg_gen_andi_tl(cpu_nip, target, ~3);
3785         }
3786         gen_lookup_and_goto_ptr(ctx);
3787         tcg_temp_free(target);
3788     }
3789     if ((bo & 0x14) != 0x14) {
3790         /* fallthrough case */
3791         gen_set_label(l1);
3792         gen_goto_tb(ctx, 1, ctx->base.pc_next);
3793     }
3794 }
3795 
3796 static void gen_bc(DisasContext *ctx)
3797 {
3798     gen_bcond(ctx, BCOND_IM);
3799 }
3800 
3801 static void gen_bcctr(DisasContext *ctx)
3802 {
3803     gen_bcond(ctx, BCOND_CTR);
3804 }
3805 
3806 static void gen_bclr(DisasContext *ctx)
3807 {
3808     gen_bcond(ctx, BCOND_LR);
3809 }
3810 
3811 static void gen_bctar(DisasContext *ctx)
3812 {
3813     gen_bcond(ctx, BCOND_TAR);
3814 }
3815 
3816 /***                      Condition register logical                       ***/
3817 #define GEN_CRLOGIC(name, tcg_op, opc)                                        \
3818 static void glue(gen_, name)(DisasContext *ctx)                                       \
3819 {                                                                             \
3820     uint8_t bitmask;                                                          \
3821     int sh;                                                                   \
3822     TCGv_i32 t0, t1;                                                          \
3823     sh = (crbD(ctx->opcode) & 0x03) - (crbA(ctx->opcode) & 0x03);             \
3824     t0 = tcg_temp_new_i32();                                                  \
3825     if (sh > 0)                                                               \
3826         tcg_gen_shri_i32(t0, cpu_crf[crbA(ctx->opcode) >> 2], sh);            \
3827     else if (sh < 0)                                                          \
3828         tcg_gen_shli_i32(t0, cpu_crf[crbA(ctx->opcode) >> 2], -sh);           \
3829     else                                                                      \
3830         tcg_gen_mov_i32(t0, cpu_crf[crbA(ctx->opcode) >> 2]);                 \
3831     t1 = tcg_temp_new_i32();                                                  \
3832     sh = (crbD(ctx->opcode) & 0x03) - (crbB(ctx->opcode) & 0x03);             \
3833     if (sh > 0)                                                               \
3834         tcg_gen_shri_i32(t1, cpu_crf[crbB(ctx->opcode) >> 2], sh);            \
3835     else if (sh < 0)                                                          \
3836         tcg_gen_shli_i32(t1, cpu_crf[crbB(ctx->opcode) >> 2], -sh);           \
3837     else                                                                      \
3838         tcg_gen_mov_i32(t1, cpu_crf[crbB(ctx->opcode) >> 2]);                 \
3839     tcg_op(t0, t0, t1);                                                       \
3840     bitmask = 0x08 >> (crbD(ctx->opcode) & 0x03);                             \
3841     tcg_gen_andi_i32(t0, t0, bitmask);                                        \
3842     tcg_gen_andi_i32(t1, cpu_crf[crbD(ctx->opcode) >> 2], ~bitmask);          \
3843     tcg_gen_or_i32(cpu_crf[crbD(ctx->opcode) >> 2], t0, t1);                  \
3844     tcg_temp_free_i32(t0);                                                    \
3845     tcg_temp_free_i32(t1);                                                    \
3846 }
3847 
3848 /* crand */
3849 GEN_CRLOGIC(crand, tcg_gen_and_i32, 0x08);
3850 /* crandc */
3851 GEN_CRLOGIC(crandc, tcg_gen_andc_i32, 0x04);
3852 /* creqv */
3853 GEN_CRLOGIC(creqv, tcg_gen_eqv_i32, 0x09);
3854 /* crnand */
3855 GEN_CRLOGIC(crnand, tcg_gen_nand_i32, 0x07);
3856 /* crnor */
3857 GEN_CRLOGIC(crnor, tcg_gen_nor_i32, 0x01);
3858 /* cror */
3859 GEN_CRLOGIC(cror, tcg_gen_or_i32, 0x0E);
3860 /* crorc */
3861 GEN_CRLOGIC(crorc, tcg_gen_orc_i32, 0x0D);
3862 /* crxor */
3863 GEN_CRLOGIC(crxor, tcg_gen_xor_i32, 0x06);
3864 
3865 /* mcrf */
3866 static void gen_mcrf(DisasContext *ctx)
3867 {
3868     tcg_gen_mov_i32(cpu_crf[crfD(ctx->opcode)], cpu_crf[crfS(ctx->opcode)]);
3869 }
3870 
3871 /***                           System linkage                              ***/
3872 
3873 /* rfi (supervisor only) */
3874 static void gen_rfi(DisasContext *ctx)
3875 {
3876 #if defined(CONFIG_USER_ONLY)
3877     GEN_PRIV;
3878 #else
3879     /* This instruction doesn't exist anymore on 64-bit server
3880      * processors compliant with arch 2.x
3881      */
3882     if (ctx->insns_flags & PPC_SEGMENT_64B) {
3883         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
3884         return;
3885     }
3886     /* Restore CPU state */
3887     CHK_SV;
3888     if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) {
3889         gen_io_start();
3890     }
3891     gen_update_cfar(ctx, ctx->base.pc_next - 4);
3892     gen_helper_rfi(cpu_env);
3893     gen_sync_exception(ctx);
3894     if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) {
3895         gen_io_end();
3896     }
3897 #endif
3898 }
3899 
3900 #if defined(TARGET_PPC64)
3901 static void gen_rfid(DisasContext *ctx)
3902 {
3903 #if defined(CONFIG_USER_ONLY)
3904     GEN_PRIV;
3905 #else
3906     /* Restore CPU state */
3907     CHK_SV;
3908     if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) {
3909         gen_io_start();
3910     }
3911     gen_update_cfar(ctx, ctx->base.pc_next - 4);
3912     gen_helper_rfid(cpu_env);
3913     gen_sync_exception(ctx);
3914     if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) {
3915         gen_io_end();
3916     }
3917 #endif
3918 }
3919 
3920 static void gen_hrfid(DisasContext *ctx)
3921 {
3922 #if defined(CONFIG_USER_ONLY)
3923     GEN_PRIV;
3924 #else
3925     /* Restore CPU state */
3926     CHK_HV;
3927     gen_helper_hrfid(cpu_env);
3928     gen_sync_exception(ctx);
3929 #endif
3930 }
3931 #endif
3932 
3933 /* sc */
3934 #if defined(CONFIG_USER_ONLY)
3935 #define POWERPC_SYSCALL POWERPC_EXCP_SYSCALL_USER
3936 #else
3937 #define POWERPC_SYSCALL POWERPC_EXCP_SYSCALL
3938 #endif
3939 static void gen_sc(DisasContext *ctx)
3940 {
3941     uint32_t lev;
3942 
3943     lev = (ctx->opcode >> 5) & 0x7F;
3944     gen_exception_err(ctx, POWERPC_SYSCALL, lev);
3945 }
3946 
3947 /***                                Trap                                   ***/
3948 
3949 /* Check for unconditional traps (always or never) */
3950 static bool check_unconditional_trap(DisasContext *ctx)
3951 {
3952     /* Trap never */
3953     if (TO(ctx->opcode) == 0) {
3954         return true;
3955     }
3956     /* Trap always */
3957     if (TO(ctx->opcode) == 31) {
3958         gen_exception_err(ctx, POWERPC_EXCP_PROGRAM, POWERPC_EXCP_TRAP);
3959         return true;
3960     }
3961     return false;
3962 }
3963 
3964 /* tw */
3965 static void gen_tw(DisasContext *ctx)
3966 {
3967     TCGv_i32 t0;
3968 
3969     if (check_unconditional_trap(ctx)) {
3970         return;
3971     }
3972     t0 = tcg_const_i32(TO(ctx->opcode));
3973     gen_helper_tw(cpu_env, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],
3974                   t0);
3975     tcg_temp_free_i32(t0);
3976 }
3977 
3978 /* twi */
3979 static void gen_twi(DisasContext *ctx)
3980 {
3981     TCGv t0;
3982     TCGv_i32 t1;
3983 
3984     if (check_unconditional_trap(ctx)) {
3985         return;
3986     }
3987     t0 = tcg_const_tl(SIMM(ctx->opcode));
3988     t1 = tcg_const_i32(TO(ctx->opcode));
3989     gen_helper_tw(cpu_env, cpu_gpr[rA(ctx->opcode)], t0, t1);
3990     tcg_temp_free(t0);
3991     tcg_temp_free_i32(t1);
3992 }
3993 
3994 #if defined(TARGET_PPC64)
3995 /* td */
3996 static void gen_td(DisasContext *ctx)
3997 {
3998     TCGv_i32 t0;
3999 
4000     if (check_unconditional_trap(ctx)) {
4001         return;
4002     }
4003     t0 = tcg_const_i32(TO(ctx->opcode));
4004     gen_helper_td(cpu_env, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],
4005                   t0);
4006     tcg_temp_free_i32(t0);
4007 }
4008 
4009 /* tdi */
4010 static void gen_tdi(DisasContext *ctx)
4011 {
4012     TCGv t0;
4013     TCGv_i32 t1;
4014 
4015     if (check_unconditional_trap(ctx)) {
4016         return;
4017     }
4018     t0 = tcg_const_tl(SIMM(ctx->opcode));
4019     t1 = tcg_const_i32(TO(ctx->opcode));
4020     gen_helper_td(cpu_env, cpu_gpr[rA(ctx->opcode)], t0, t1);
4021     tcg_temp_free(t0);
4022     tcg_temp_free_i32(t1);
4023 }
4024 #endif
4025 
4026 /***                          Processor control                            ***/
4027 
4028 static void gen_read_xer(DisasContext *ctx, TCGv dst)
4029 {
4030     TCGv t0 = tcg_temp_new();
4031     TCGv t1 = tcg_temp_new();
4032     TCGv t2 = tcg_temp_new();
4033     tcg_gen_mov_tl(dst, cpu_xer);
4034     tcg_gen_shli_tl(t0, cpu_so, XER_SO);
4035     tcg_gen_shli_tl(t1, cpu_ov, XER_OV);
4036     tcg_gen_shli_tl(t2, cpu_ca, XER_CA);
4037     tcg_gen_or_tl(t0, t0, t1);
4038     tcg_gen_or_tl(dst, dst, t2);
4039     tcg_gen_or_tl(dst, dst, t0);
4040     if (is_isa300(ctx)) {
4041         tcg_gen_shli_tl(t0, cpu_ov32, XER_OV32);
4042         tcg_gen_or_tl(dst, dst, t0);
4043         tcg_gen_shli_tl(t0, cpu_ca32, XER_CA32);
4044         tcg_gen_or_tl(dst, dst, t0);
4045     }
4046     tcg_temp_free(t0);
4047     tcg_temp_free(t1);
4048     tcg_temp_free(t2);
4049 }
4050 
4051 static void gen_write_xer(TCGv src)
4052 {
4053     /* Write all flags, while reading back check for isa300 */
4054     tcg_gen_andi_tl(cpu_xer, src,
4055                     ~((1u << XER_SO) |
4056                       (1u << XER_OV) | (1u << XER_OV32) |
4057                       (1u << XER_CA) | (1u << XER_CA32)));
4058     tcg_gen_extract_tl(cpu_ov32, src, XER_OV32, 1);
4059     tcg_gen_extract_tl(cpu_ca32, src, XER_CA32, 1);
4060     tcg_gen_extract_tl(cpu_so, src, XER_SO, 1);
4061     tcg_gen_extract_tl(cpu_ov, src, XER_OV, 1);
4062     tcg_gen_extract_tl(cpu_ca, src, XER_CA, 1);
4063 }
4064 
4065 /* mcrxr */
4066 static void gen_mcrxr(DisasContext *ctx)
4067 {
4068     TCGv_i32 t0 = tcg_temp_new_i32();
4069     TCGv_i32 t1 = tcg_temp_new_i32();
4070     TCGv_i32 dst = cpu_crf[crfD(ctx->opcode)];
4071 
4072     tcg_gen_trunc_tl_i32(t0, cpu_so);
4073     tcg_gen_trunc_tl_i32(t1, cpu_ov);
4074     tcg_gen_trunc_tl_i32(dst, cpu_ca);
4075     tcg_gen_shli_i32(t0, t0, 3);
4076     tcg_gen_shli_i32(t1, t1, 2);
4077     tcg_gen_shli_i32(dst, dst, 1);
4078     tcg_gen_or_i32(dst, dst, t0);
4079     tcg_gen_or_i32(dst, dst, t1);
4080     tcg_temp_free_i32(t0);
4081     tcg_temp_free_i32(t1);
4082 
4083     tcg_gen_movi_tl(cpu_so, 0);
4084     tcg_gen_movi_tl(cpu_ov, 0);
4085     tcg_gen_movi_tl(cpu_ca, 0);
4086 }
4087 
4088 #ifdef TARGET_PPC64
4089 /* mcrxrx */
4090 static void gen_mcrxrx(DisasContext *ctx)
4091 {
4092     TCGv t0 = tcg_temp_new();
4093     TCGv t1 = tcg_temp_new();
4094     TCGv_i32 dst = cpu_crf[crfD(ctx->opcode)];
4095 
4096     /* copy OV and OV32 */
4097     tcg_gen_shli_tl(t0, cpu_ov, 1);
4098     tcg_gen_or_tl(t0, t0, cpu_ov32);
4099     tcg_gen_shli_tl(t0, t0, 2);
4100     /* copy CA and CA32 */
4101     tcg_gen_shli_tl(t1, cpu_ca, 1);
4102     tcg_gen_or_tl(t1, t1, cpu_ca32);
4103     tcg_gen_or_tl(t0, t0, t1);
4104     tcg_gen_trunc_tl_i32(dst, t0);
4105     tcg_temp_free(t0);
4106     tcg_temp_free(t1);
4107 }
4108 #endif
4109 
4110 /* mfcr mfocrf */
4111 static void gen_mfcr(DisasContext *ctx)
4112 {
4113     uint32_t crm, crn;
4114 
4115     if (likely(ctx->opcode & 0x00100000)) {
4116         crm = CRM(ctx->opcode);
4117         if (likely(crm && ((crm & (crm - 1)) == 0))) {
4118             crn = ctz32 (crm);
4119             tcg_gen_extu_i32_tl(cpu_gpr[rD(ctx->opcode)], cpu_crf[7 - crn]);
4120             tcg_gen_shli_tl(cpu_gpr[rD(ctx->opcode)],
4121                             cpu_gpr[rD(ctx->opcode)], crn * 4);
4122         }
4123     } else {
4124         TCGv_i32 t0 = tcg_temp_new_i32();
4125         tcg_gen_mov_i32(t0, cpu_crf[0]);
4126         tcg_gen_shli_i32(t0, t0, 4);
4127         tcg_gen_or_i32(t0, t0, cpu_crf[1]);
4128         tcg_gen_shli_i32(t0, t0, 4);
4129         tcg_gen_or_i32(t0, t0, cpu_crf[2]);
4130         tcg_gen_shli_i32(t0, t0, 4);
4131         tcg_gen_or_i32(t0, t0, cpu_crf[3]);
4132         tcg_gen_shli_i32(t0, t0, 4);
4133         tcg_gen_or_i32(t0, t0, cpu_crf[4]);
4134         tcg_gen_shli_i32(t0, t0, 4);
4135         tcg_gen_or_i32(t0, t0, cpu_crf[5]);
4136         tcg_gen_shli_i32(t0, t0, 4);
4137         tcg_gen_or_i32(t0, t0, cpu_crf[6]);
4138         tcg_gen_shli_i32(t0, t0, 4);
4139         tcg_gen_or_i32(t0, t0, cpu_crf[7]);
4140         tcg_gen_extu_i32_tl(cpu_gpr[rD(ctx->opcode)], t0);
4141         tcg_temp_free_i32(t0);
4142     }
4143 }
4144 
4145 /* mfmsr */
4146 static void gen_mfmsr(DisasContext *ctx)
4147 {
4148     CHK_SV;
4149     tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_msr);
4150 }
4151 
4152 static void spr_noaccess(DisasContext *ctx, int gprn, int sprn)
4153 {
4154 #if 0
4155     sprn = ((sprn >> 5) & 0x1F) | ((sprn & 0x1F) << 5);
4156     printf("ERROR: try to access SPR %d !\n", sprn);
4157 #endif
4158 }
4159 #define SPR_NOACCESS (&spr_noaccess)
4160 
4161 /* mfspr */
4162 static inline void gen_op_mfspr(DisasContext *ctx)
4163 {
4164     void (*read_cb)(DisasContext *ctx, int gprn, int sprn);
4165     uint32_t sprn = SPR(ctx->opcode);
4166 
4167 #if defined(CONFIG_USER_ONLY)
4168     read_cb = ctx->spr_cb[sprn].uea_read;
4169 #else
4170     if (ctx->pr) {
4171         read_cb = ctx->spr_cb[sprn].uea_read;
4172     } else if (ctx->hv) {
4173         read_cb = ctx->spr_cb[sprn].hea_read;
4174     } else {
4175         read_cb = ctx->spr_cb[sprn].oea_read;
4176     }
4177 #endif
4178     if (likely(read_cb != NULL)) {
4179         if (likely(read_cb != SPR_NOACCESS)) {
4180             (*read_cb)(ctx, rD(ctx->opcode), sprn);
4181         } else {
4182             /* Privilege exception */
4183             /* This is a hack to avoid warnings when running Linux:
4184              * this OS breaks the PowerPC virtualisation model,
4185              * allowing userland application to read the PVR
4186              */
4187             if (sprn != SPR_PVR) {
4188                 qemu_log_mask(LOG_GUEST_ERROR, "Trying to read privileged spr "
4189                               "%d (0x%03x) at " TARGET_FMT_lx "\n", sprn, sprn,
4190                               ctx->base.pc_next - 4);
4191             }
4192             gen_priv_exception(ctx, POWERPC_EXCP_PRIV_REG);
4193         }
4194     } else {
4195         /* ISA 2.07 defines these as no-ops */
4196         if ((ctx->insns_flags2 & PPC2_ISA207S) &&
4197             (sprn >= 808 && sprn <= 811)) {
4198             /* This is a nop */
4199             return;
4200         }
4201         /* Not defined */
4202         qemu_log_mask(LOG_GUEST_ERROR,
4203                       "Trying to read invalid spr %d (0x%03x) at "
4204                       TARGET_FMT_lx "\n", sprn, sprn, ctx->base.pc_next - 4);
4205 
4206         /* The behaviour depends on MSR:PR and SPR# bit 0x10,
4207          * it can generate a priv, a hv emu or a no-op
4208          */
4209         if (sprn & 0x10) {
4210             if (ctx->pr) {
4211                 gen_priv_exception(ctx, POWERPC_EXCP_INVAL_SPR);
4212             }
4213         } else {
4214             if (ctx->pr || sprn == 0 || sprn == 4 || sprn == 5 || sprn == 6) {
4215                 gen_hvpriv_exception(ctx, POWERPC_EXCP_INVAL_SPR);
4216             }
4217         }
4218     }
4219 }
4220 
4221 static void gen_mfspr(DisasContext *ctx)
4222 {
4223     gen_op_mfspr(ctx);
4224 }
4225 
4226 /* mftb */
4227 static void gen_mftb(DisasContext *ctx)
4228 {
4229     gen_op_mfspr(ctx);
4230 }
4231 
4232 /* mtcrf mtocrf*/
4233 static void gen_mtcrf(DisasContext *ctx)
4234 {
4235     uint32_t crm, crn;
4236 
4237     crm = CRM(ctx->opcode);
4238     if (likely((ctx->opcode & 0x00100000))) {
4239         if (crm && ((crm & (crm - 1)) == 0)) {
4240             TCGv_i32 temp = tcg_temp_new_i32();
4241             crn = ctz32 (crm);
4242             tcg_gen_trunc_tl_i32(temp, cpu_gpr[rS(ctx->opcode)]);
4243             tcg_gen_shri_i32(temp, temp, crn * 4);
4244             tcg_gen_andi_i32(cpu_crf[7 - crn], temp, 0xf);
4245             tcg_temp_free_i32(temp);
4246         }
4247     } else {
4248         TCGv_i32 temp = tcg_temp_new_i32();
4249         tcg_gen_trunc_tl_i32(temp, cpu_gpr[rS(ctx->opcode)]);
4250         for (crn = 0 ; crn < 8 ; crn++) {
4251             if (crm & (1 << crn)) {
4252                     tcg_gen_shri_i32(cpu_crf[7 - crn], temp, crn * 4);
4253                     tcg_gen_andi_i32(cpu_crf[7 - crn], cpu_crf[7 - crn], 0xf);
4254             }
4255         }
4256         tcg_temp_free_i32(temp);
4257     }
4258 }
4259 
4260 /* mtmsr */
4261 #if defined(TARGET_PPC64)
4262 static void gen_mtmsrd(DisasContext *ctx)
4263 {
4264     CHK_SV;
4265 
4266 #if !defined(CONFIG_USER_ONLY)
4267     if (ctx->opcode & 0x00010000) {
4268         /* Special form that does not need any synchronisation */
4269         TCGv t0 = tcg_temp_new();
4270         tcg_gen_andi_tl(t0, cpu_gpr[rS(ctx->opcode)], (1 << MSR_RI) | (1 << MSR_EE));
4271         tcg_gen_andi_tl(cpu_msr, cpu_msr, ~(target_ulong)((1 << MSR_RI) | (1 << MSR_EE)));
4272         tcg_gen_or_tl(cpu_msr, cpu_msr, t0);
4273         tcg_temp_free(t0);
4274     } else {
4275         /* XXX: we need to update nip before the store
4276          *      if we enter power saving mode, we will exit the loop
4277          *      directly from ppc_store_msr
4278          */
4279         if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) {
4280             gen_io_start();
4281         }
4282         gen_update_nip(ctx, ctx->base.pc_next);
4283         gen_helper_store_msr(cpu_env, cpu_gpr[rS(ctx->opcode)]);
4284         /* Must stop the translation as machine state (may have) changed */
4285         /* Note that mtmsr is not always defined as context-synchronizing */
4286         gen_stop_exception(ctx);
4287         if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) {
4288             gen_io_end();
4289         }
4290     }
4291 #endif /* !defined(CONFIG_USER_ONLY) */
4292 }
4293 #endif /* defined(TARGET_PPC64) */
4294 
4295 static void gen_mtmsr(DisasContext *ctx)
4296 {
4297     CHK_SV;
4298 
4299 #if !defined(CONFIG_USER_ONLY)
4300    if (ctx->opcode & 0x00010000) {
4301         /* Special form that does not need any synchronisation */
4302         TCGv t0 = tcg_temp_new();
4303         tcg_gen_andi_tl(t0, cpu_gpr[rS(ctx->opcode)], (1 << MSR_RI) | (1 << MSR_EE));
4304         tcg_gen_andi_tl(cpu_msr, cpu_msr, ~(target_ulong)((1 << MSR_RI) | (1 << MSR_EE)));
4305         tcg_gen_or_tl(cpu_msr, cpu_msr, t0);
4306         tcg_temp_free(t0);
4307     } else {
4308         TCGv msr = tcg_temp_new();
4309 
4310         /* XXX: we need to update nip before the store
4311          *      if we enter power saving mode, we will exit the loop
4312          *      directly from ppc_store_msr
4313          */
4314         if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) {
4315             gen_io_start();
4316         }
4317         gen_update_nip(ctx, ctx->base.pc_next);
4318 #if defined(TARGET_PPC64)
4319         tcg_gen_deposit_tl(msr, cpu_msr, cpu_gpr[rS(ctx->opcode)], 0, 32);
4320 #else
4321         tcg_gen_mov_tl(msr, cpu_gpr[rS(ctx->opcode)]);
4322 #endif
4323         gen_helper_store_msr(cpu_env, msr);
4324         if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) {
4325             gen_io_end();
4326         }
4327         tcg_temp_free(msr);
4328         /* Must stop the translation as machine state (may have) changed */
4329         /* Note that mtmsr is not always defined as context-synchronizing */
4330         gen_stop_exception(ctx);
4331     }
4332 #endif
4333 }
4334 
4335 /* mtspr */
4336 static void gen_mtspr(DisasContext *ctx)
4337 {
4338     void (*write_cb)(DisasContext *ctx, int sprn, int gprn);
4339     uint32_t sprn = SPR(ctx->opcode);
4340 
4341 #if defined(CONFIG_USER_ONLY)
4342     write_cb = ctx->spr_cb[sprn].uea_write;
4343 #else
4344     if (ctx->pr) {
4345         write_cb = ctx->spr_cb[sprn].uea_write;
4346     } else if (ctx->hv) {
4347         write_cb = ctx->spr_cb[sprn].hea_write;
4348     } else {
4349         write_cb = ctx->spr_cb[sprn].oea_write;
4350     }
4351 #endif
4352     if (likely(write_cb != NULL)) {
4353         if (likely(write_cb != SPR_NOACCESS)) {
4354             (*write_cb)(ctx, sprn, rS(ctx->opcode));
4355         } else {
4356             /* Privilege exception */
4357             qemu_log_mask(LOG_GUEST_ERROR, "Trying to write privileged spr "
4358                           "%d (0x%03x) at " TARGET_FMT_lx "\n", sprn, sprn,
4359                           ctx->base.pc_next - 4);
4360             gen_priv_exception(ctx, POWERPC_EXCP_PRIV_REG);
4361         }
4362     } else {
4363         /* ISA 2.07 defines these as no-ops */
4364         if ((ctx->insns_flags2 & PPC2_ISA207S) &&
4365             (sprn >= 808 && sprn <= 811)) {
4366             /* This is a nop */
4367             return;
4368         }
4369 
4370         /* Not defined */
4371         qemu_log_mask(LOG_GUEST_ERROR,
4372                       "Trying to write invalid spr %d (0x%03x) at "
4373                       TARGET_FMT_lx "\n", sprn, sprn, ctx->base.pc_next - 4);
4374 
4375 
4376         /* The behaviour depends on MSR:PR and SPR# bit 0x10,
4377          * it can generate a priv, a hv emu or a no-op
4378          */
4379         if (sprn & 0x10) {
4380             if (ctx->pr) {
4381                 gen_priv_exception(ctx, POWERPC_EXCP_INVAL_SPR);
4382             }
4383         } else {
4384             if (ctx->pr || sprn == 0) {
4385                 gen_hvpriv_exception(ctx, POWERPC_EXCP_INVAL_SPR);
4386             }
4387         }
4388     }
4389 }
4390 
4391 #if defined(TARGET_PPC64)
4392 /* setb */
4393 static void gen_setb(DisasContext *ctx)
4394 {
4395     TCGv_i32 t0 = tcg_temp_new_i32();
4396     TCGv_i32 t8 = tcg_temp_new_i32();
4397     TCGv_i32 tm1 = tcg_temp_new_i32();
4398     int crf = crfS(ctx->opcode);
4399 
4400     tcg_gen_setcondi_i32(TCG_COND_GEU, t0, cpu_crf[crf], 4);
4401     tcg_gen_movi_i32(t8, 8);
4402     tcg_gen_movi_i32(tm1, -1);
4403     tcg_gen_movcond_i32(TCG_COND_GEU, t0, cpu_crf[crf], t8, tm1, t0);
4404     tcg_gen_ext_i32_tl(cpu_gpr[rD(ctx->opcode)], t0);
4405 
4406     tcg_temp_free_i32(t0);
4407     tcg_temp_free_i32(t8);
4408     tcg_temp_free_i32(tm1);
4409 }
4410 #endif
4411 
4412 /***                         Cache management                              ***/
4413 
4414 /* dcbf */
4415 static void gen_dcbf(DisasContext *ctx)
4416 {
4417     /* XXX: specification says this is treated as a load by the MMU */
4418     TCGv t0;
4419     gen_set_access_type(ctx, ACCESS_CACHE);
4420     t0 = tcg_temp_new();
4421     gen_addr_reg_index(ctx, t0);
4422     gen_qemu_ld8u(ctx, t0, t0);
4423     tcg_temp_free(t0);
4424 }
4425 
4426 /* dcbfep (external PID dcbf) */
4427 static void gen_dcbfep(DisasContext *ctx)
4428 {
4429     /* XXX: specification says this is treated as a load by the MMU */
4430     TCGv t0;
4431     CHK_SV;
4432     gen_set_access_type(ctx, ACCESS_CACHE);
4433     t0 = tcg_temp_new();
4434     gen_addr_reg_index(ctx, t0);
4435     tcg_gen_qemu_ld_tl(t0, t0, PPC_TLB_EPID_LOAD, DEF_MEMOP(MO_UB));
4436     tcg_temp_free(t0);
4437 }
4438 
4439 /* dcbi (Supervisor only) */
4440 static void gen_dcbi(DisasContext *ctx)
4441 {
4442 #if defined(CONFIG_USER_ONLY)
4443     GEN_PRIV;
4444 #else
4445     TCGv EA, val;
4446 
4447     CHK_SV;
4448     EA = tcg_temp_new();
4449     gen_set_access_type(ctx, ACCESS_CACHE);
4450     gen_addr_reg_index(ctx, EA);
4451     val = tcg_temp_new();
4452     /* XXX: specification says this should be treated as a store by the MMU */
4453     gen_qemu_ld8u(ctx, val, EA);
4454     gen_qemu_st8(ctx, val, EA);
4455     tcg_temp_free(val);
4456     tcg_temp_free(EA);
4457 #endif /* defined(CONFIG_USER_ONLY) */
4458 }
4459 
4460 /* dcdst */
4461 static void gen_dcbst(DisasContext *ctx)
4462 {
4463     /* XXX: specification say this is treated as a load by the MMU */
4464     TCGv t0;
4465     gen_set_access_type(ctx, ACCESS_CACHE);
4466     t0 = tcg_temp_new();
4467     gen_addr_reg_index(ctx, t0);
4468     gen_qemu_ld8u(ctx, t0, t0);
4469     tcg_temp_free(t0);
4470 }
4471 
4472 /* dcbstep (dcbstep External PID version) */
4473 static void gen_dcbstep(DisasContext *ctx)
4474 {
4475     /* XXX: specification say this is treated as a load by the MMU */
4476     TCGv t0;
4477     gen_set_access_type(ctx, ACCESS_CACHE);
4478     t0 = tcg_temp_new();
4479     gen_addr_reg_index(ctx, t0);
4480     tcg_gen_qemu_ld_tl(t0, t0, PPC_TLB_EPID_LOAD, DEF_MEMOP(MO_UB));
4481     tcg_temp_free(t0);
4482 }
4483 
4484 /* dcbt */
4485 static void gen_dcbt(DisasContext *ctx)
4486 {
4487     /* interpreted as no-op */
4488     /* XXX: specification say this is treated as a load by the MMU
4489      *      but does not generate any exception
4490      */
4491 }
4492 
4493 /* dcbtep */
4494 static void gen_dcbtep(DisasContext *ctx)
4495 {
4496     /* interpreted as no-op */
4497     /* XXX: specification say this is treated as a load by the MMU
4498      *      but does not generate any exception
4499      */
4500 }
4501 
4502 /* dcbtst */
4503 static void gen_dcbtst(DisasContext *ctx)
4504 {
4505     /* interpreted as no-op */
4506     /* XXX: specification say this is treated as a load by the MMU
4507      *      but does not generate any exception
4508      */
4509 }
4510 
4511 /* dcbtstep */
4512 static void gen_dcbtstep(DisasContext *ctx)
4513 {
4514     /* interpreted as no-op */
4515     /* XXX: specification say this is treated as a load by the MMU
4516      *      but does not generate any exception
4517      */
4518 }
4519 
4520 /* dcbtls */
4521 static void gen_dcbtls(DisasContext *ctx)
4522 {
4523     /* Always fails locking the cache */
4524     TCGv t0 = tcg_temp_new();
4525     gen_load_spr(t0, SPR_Exxx_L1CSR0);
4526     tcg_gen_ori_tl(t0, t0, L1CSR0_CUL);
4527     gen_store_spr(SPR_Exxx_L1CSR0, t0);
4528     tcg_temp_free(t0);
4529 }
4530 
4531 /* dcbz */
4532 static void gen_dcbz(DisasContext *ctx)
4533 {
4534     TCGv tcgv_addr;
4535     TCGv_i32 tcgv_op;
4536 
4537     gen_set_access_type(ctx, ACCESS_CACHE);
4538     tcgv_addr = tcg_temp_new();
4539     tcgv_op = tcg_const_i32(ctx->opcode & 0x03FF000);
4540     gen_addr_reg_index(ctx, tcgv_addr);
4541     gen_helper_dcbz(cpu_env, tcgv_addr, tcgv_op);
4542     tcg_temp_free(tcgv_addr);
4543     tcg_temp_free_i32(tcgv_op);
4544 }
4545 
4546 /* dcbzep */
4547 static void gen_dcbzep(DisasContext *ctx)
4548 {
4549     TCGv tcgv_addr;
4550     TCGv_i32 tcgv_op;
4551 
4552     gen_set_access_type(ctx, ACCESS_CACHE);
4553     tcgv_addr = tcg_temp_new();
4554     tcgv_op = tcg_const_i32(ctx->opcode & 0x03FF000);
4555     gen_addr_reg_index(ctx, tcgv_addr);
4556     gen_helper_dcbzep(cpu_env, tcgv_addr, tcgv_op);
4557     tcg_temp_free(tcgv_addr);
4558     tcg_temp_free_i32(tcgv_op);
4559 }
4560 
4561 /* dst / dstt */
4562 static void gen_dst(DisasContext *ctx)
4563 {
4564     if (rA(ctx->opcode) == 0) {
4565         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
4566     } else {
4567         /* interpreted as no-op */
4568     }
4569 }
4570 
4571 /* dstst /dststt */
4572 static void gen_dstst(DisasContext *ctx)
4573 {
4574     if (rA(ctx->opcode) == 0) {
4575         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
4576     } else {
4577         /* interpreted as no-op */
4578     }
4579 
4580 }
4581 
4582 /* dss / dssall */
4583 static void gen_dss(DisasContext *ctx)
4584 {
4585     /* interpreted as no-op */
4586 }
4587 
4588 /* icbi */
4589 static void gen_icbi(DisasContext *ctx)
4590 {
4591     TCGv t0;
4592     gen_set_access_type(ctx, ACCESS_CACHE);
4593     t0 = tcg_temp_new();
4594     gen_addr_reg_index(ctx, t0);
4595     gen_helper_icbi(cpu_env, t0);
4596     tcg_temp_free(t0);
4597 }
4598 
4599 /* icbiep */
4600 static void gen_icbiep(DisasContext *ctx)
4601 {
4602     TCGv t0;
4603     gen_set_access_type(ctx, ACCESS_CACHE);
4604     t0 = tcg_temp_new();
4605     gen_addr_reg_index(ctx, t0);
4606     gen_helper_icbiep(cpu_env, t0);
4607     tcg_temp_free(t0);
4608 }
4609 
4610 /* Optional: */
4611 /* dcba */
4612 static void gen_dcba(DisasContext *ctx)
4613 {
4614     /* interpreted as no-op */
4615     /* XXX: specification say this is treated as a store by the MMU
4616      *      but does not generate any exception
4617      */
4618 }
4619 
4620 /***                    Segment register manipulation                      ***/
4621 /* Supervisor only: */
4622 
4623 /* mfsr */
4624 static void gen_mfsr(DisasContext *ctx)
4625 {
4626 #if defined(CONFIG_USER_ONLY)
4627     GEN_PRIV;
4628 #else
4629     TCGv t0;
4630 
4631     CHK_SV;
4632     t0 = tcg_const_tl(SR(ctx->opcode));
4633     gen_helper_load_sr(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
4634     tcg_temp_free(t0);
4635 #endif /* defined(CONFIG_USER_ONLY) */
4636 }
4637 
4638 /* mfsrin */
4639 static void gen_mfsrin(DisasContext *ctx)
4640 {
4641 #if defined(CONFIG_USER_ONLY)
4642     GEN_PRIV;
4643 #else
4644     TCGv t0;
4645 
4646     CHK_SV;
4647     t0 = tcg_temp_new();
4648     tcg_gen_extract_tl(t0, cpu_gpr[rB(ctx->opcode)], 28, 4);
4649     gen_helper_load_sr(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
4650     tcg_temp_free(t0);
4651 #endif /* defined(CONFIG_USER_ONLY) */
4652 }
4653 
4654 /* mtsr */
4655 static void gen_mtsr(DisasContext *ctx)
4656 {
4657 #if defined(CONFIG_USER_ONLY)
4658     GEN_PRIV;
4659 #else
4660     TCGv t0;
4661 
4662     CHK_SV;
4663     t0 = tcg_const_tl(SR(ctx->opcode));
4664     gen_helper_store_sr(cpu_env, t0, cpu_gpr[rS(ctx->opcode)]);
4665     tcg_temp_free(t0);
4666 #endif /* defined(CONFIG_USER_ONLY) */
4667 }
4668 
4669 /* mtsrin */
4670 static void gen_mtsrin(DisasContext *ctx)
4671 {
4672 #if defined(CONFIG_USER_ONLY)
4673     GEN_PRIV;
4674 #else
4675     TCGv t0;
4676     CHK_SV;
4677 
4678     t0 = tcg_temp_new();
4679     tcg_gen_extract_tl(t0, cpu_gpr[rB(ctx->opcode)], 28, 4);
4680     gen_helper_store_sr(cpu_env, t0, cpu_gpr[rD(ctx->opcode)]);
4681     tcg_temp_free(t0);
4682 #endif /* defined(CONFIG_USER_ONLY) */
4683 }
4684 
4685 #if defined(TARGET_PPC64)
4686 /* Specific implementation for PowerPC 64 "bridge" emulation using SLB */
4687 
4688 /* mfsr */
4689 static void gen_mfsr_64b(DisasContext *ctx)
4690 {
4691 #if defined(CONFIG_USER_ONLY)
4692     GEN_PRIV;
4693 #else
4694     TCGv t0;
4695 
4696     CHK_SV;
4697     t0 = tcg_const_tl(SR(ctx->opcode));
4698     gen_helper_load_sr(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
4699     tcg_temp_free(t0);
4700 #endif /* defined(CONFIG_USER_ONLY) */
4701 }
4702 
4703 /* mfsrin */
4704 static void gen_mfsrin_64b(DisasContext *ctx)
4705 {
4706 #if defined(CONFIG_USER_ONLY)
4707     GEN_PRIV;
4708 #else
4709     TCGv t0;
4710 
4711     CHK_SV;
4712     t0 = tcg_temp_new();
4713     tcg_gen_extract_tl(t0, cpu_gpr[rB(ctx->opcode)], 28, 4);
4714     gen_helper_load_sr(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
4715     tcg_temp_free(t0);
4716 #endif /* defined(CONFIG_USER_ONLY) */
4717 }
4718 
4719 /* mtsr */
4720 static void gen_mtsr_64b(DisasContext *ctx)
4721 {
4722 #if defined(CONFIG_USER_ONLY)
4723     GEN_PRIV;
4724 #else
4725     TCGv t0;
4726 
4727     CHK_SV;
4728     t0 = tcg_const_tl(SR(ctx->opcode));
4729     gen_helper_store_sr(cpu_env, t0, cpu_gpr[rS(ctx->opcode)]);
4730     tcg_temp_free(t0);
4731 #endif /* defined(CONFIG_USER_ONLY) */
4732 }
4733 
4734 /* mtsrin */
4735 static void gen_mtsrin_64b(DisasContext *ctx)
4736 {
4737 #if defined(CONFIG_USER_ONLY)
4738     GEN_PRIV;
4739 #else
4740     TCGv t0;
4741 
4742     CHK_SV;
4743     t0 = tcg_temp_new();
4744     tcg_gen_extract_tl(t0, cpu_gpr[rB(ctx->opcode)], 28, 4);
4745     gen_helper_store_sr(cpu_env, t0, cpu_gpr[rS(ctx->opcode)]);
4746     tcg_temp_free(t0);
4747 #endif /* defined(CONFIG_USER_ONLY) */
4748 }
4749 
4750 /* slbmte */
4751 static void gen_slbmte(DisasContext *ctx)
4752 {
4753 #if defined(CONFIG_USER_ONLY)
4754     GEN_PRIV;
4755 #else
4756     CHK_SV;
4757 
4758     gen_helper_store_slb(cpu_env, cpu_gpr[rB(ctx->opcode)],
4759                          cpu_gpr[rS(ctx->opcode)]);
4760 #endif /* defined(CONFIG_USER_ONLY) */
4761 }
4762 
4763 static void gen_slbmfee(DisasContext *ctx)
4764 {
4765 #if defined(CONFIG_USER_ONLY)
4766     GEN_PRIV;
4767 #else
4768     CHK_SV;
4769 
4770     gen_helper_load_slb_esid(cpu_gpr[rS(ctx->opcode)], cpu_env,
4771                              cpu_gpr[rB(ctx->opcode)]);
4772 #endif /* defined(CONFIG_USER_ONLY) */
4773 }
4774 
4775 static void gen_slbmfev(DisasContext *ctx)
4776 {
4777 #if defined(CONFIG_USER_ONLY)
4778     GEN_PRIV;
4779 #else
4780     CHK_SV;
4781 
4782     gen_helper_load_slb_vsid(cpu_gpr[rS(ctx->opcode)], cpu_env,
4783                              cpu_gpr[rB(ctx->opcode)]);
4784 #endif /* defined(CONFIG_USER_ONLY) */
4785 }
4786 
4787 static void gen_slbfee_(DisasContext *ctx)
4788 {
4789 #if defined(CONFIG_USER_ONLY)
4790     gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG);
4791 #else
4792     TCGLabel *l1, *l2;
4793 
4794     if (unlikely(ctx->pr)) {
4795         gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG);
4796         return;
4797     }
4798     gen_helper_find_slb_vsid(cpu_gpr[rS(ctx->opcode)], cpu_env,
4799                              cpu_gpr[rB(ctx->opcode)]);
4800     l1 = gen_new_label();
4801     l2 = gen_new_label();
4802     tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so);
4803     tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[rS(ctx->opcode)], -1, l1);
4804     tcg_gen_ori_i32(cpu_crf[0], cpu_crf[0], CRF_EQ);
4805     tcg_gen_br(l2);
4806     gen_set_label(l1);
4807     tcg_gen_movi_tl(cpu_gpr[rS(ctx->opcode)], 0);
4808     gen_set_label(l2);
4809 #endif
4810 }
4811 #endif /* defined(TARGET_PPC64) */
4812 
4813 /***                      Lookaside buffer management                      ***/
4814 /* Optional & supervisor only: */
4815 
4816 /* tlbia */
4817 static void gen_tlbia(DisasContext *ctx)
4818 {
4819 #if defined(CONFIG_USER_ONLY)
4820     GEN_PRIV;
4821 #else
4822     CHK_HV;
4823 
4824     gen_helper_tlbia(cpu_env);
4825 #endif  /* defined(CONFIG_USER_ONLY) */
4826 }
4827 
4828 /* tlbiel */
4829 static void gen_tlbiel(DisasContext *ctx)
4830 {
4831 #if defined(CONFIG_USER_ONLY)
4832     GEN_PRIV;
4833 #else
4834     CHK_SV;
4835 
4836     gen_helper_tlbie(cpu_env, cpu_gpr[rB(ctx->opcode)]);
4837 #endif /* defined(CONFIG_USER_ONLY) */
4838 }
4839 
4840 /* tlbie */
4841 static void gen_tlbie(DisasContext *ctx)
4842 {
4843 #if defined(CONFIG_USER_ONLY)
4844     GEN_PRIV;
4845 #else
4846     TCGv_i32 t1;
4847 
4848     if (ctx->gtse) {
4849         CHK_SV; /* If gtse is set then tlbie is supervisor privileged */
4850     } else {
4851         CHK_HV; /* Else hypervisor privileged */
4852     }
4853 
4854     if (NARROW_MODE(ctx)) {
4855         TCGv t0 = tcg_temp_new();
4856         tcg_gen_ext32u_tl(t0, cpu_gpr[rB(ctx->opcode)]);
4857         gen_helper_tlbie(cpu_env, t0);
4858         tcg_temp_free(t0);
4859     } else {
4860         gen_helper_tlbie(cpu_env, cpu_gpr[rB(ctx->opcode)]);
4861     }
4862     t1 = tcg_temp_new_i32();
4863     tcg_gen_ld_i32(t1, cpu_env, offsetof(CPUPPCState, tlb_need_flush));
4864     tcg_gen_ori_i32(t1, t1, TLB_NEED_GLOBAL_FLUSH);
4865     tcg_gen_st_i32(t1, cpu_env, offsetof(CPUPPCState, tlb_need_flush));
4866     tcg_temp_free_i32(t1);
4867 #endif /* defined(CONFIG_USER_ONLY) */
4868 }
4869 
4870 /* tlbsync */
4871 static void gen_tlbsync(DisasContext *ctx)
4872 {
4873 #if defined(CONFIG_USER_ONLY)
4874     GEN_PRIV;
4875 #else
4876 
4877     if (ctx->gtse) {
4878         CHK_SV; /* If gtse is set then tlbsync is supervisor privileged */
4879     } else {
4880         CHK_HV; /* Else hypervisor privileged */
4881     }
4882 
4883     /* BookS does both ptesync and tlbsync make tlbsync a nop for server */
4884     if (ctx->insns_flags & PPC_BOOKE) {
4885         gen_check_tlb_flush(ctx, true);
4886     }
4887 #endif /* defined(CONFIG_USER_ONLY) */
4888 }
4889 
4890 #if defined(TARGET_PPC64)
4891 /* slbia */
4892 static void gen_slbia(DisasContext *ctx)
4893 {
4894 #if defined(CONFIG_USER_ONLY)
4895     GEN_PRIV;
4896 #else
4897     CHK_SV;
4898 
4899     gen_helper_slbia(cpu_env);
4900 #endif /* defined(CONFIG_USER_ONLY) */
4901 }
4902 
4903 /* slbie */
4904 static void gen_slbie(DisasContext *ctx)
4905 {
4906 #if defined(CONFIG_USER_ONLY)
4907     GEN_PRIV;
4908 #else
4909     CHK_SV;
4910 
4911     gen_helper_slbie(cpu_env, cpu_gpr[rB(ctx->opcode)]);
4912 #endif /* defined(CONFIG_USER_ONLY) */
4913 }
4914 
4915 /* slbieg */
4916 static void gen_slbieg(DisasContext *ctx)
4917 {
4918 #if defined(CONFIG_USER_ONLY)
4919     GEN_PRIV;
4920 #else
4921     CHK_SV;
4922 
4923     gen_helper_slbieg(cpu_env, cpu_gpr[rB(ctx->opcode)]);
4924 #endif /* defined(CONFIG_USER_ONLY) */
4925 }
4926 
4927 /* slbsync */
4928 static void gen_slbsync(DisasContext *ctx)
4929 {
4930 #if defined(CONFIG_USER_ONLY)
4931     GEN_PRIV;
4932 #else
4933     CHK_SV;
4934     gen_check_tlb_flush(ctx, true);
4935 #endif /* defined(CONFIG_USER_ONLY) */
4936 }
4937 
4938 #endif  /* defined(TARGET_PPC64) */
4939 
4940 /***                              External control                         ***/
4941 /* Optional: */
4942 
4943 /* eciwx */
4944 static void gen_eciwx(DisasContext *ctx)
4945 {
4946     TCGv t0;
4947     /* Should check EAR[E] ! */
4948     gen_set_access_type(ctx, ACCESS_EXT);
4949     t0 = tcg_temp_new();
4950     gen_addr_reg_index(ctx, t0);
4951     tcg_gen_qemu_ld_tl(cpu_gpr[rD(ctx->opcode)], t0, ctx->mem_idx,
4952                        DEF_MEMOP(MO_UL | MO_ALIGN));
4953     tcg_temp_free(t0);
4954 }
4955 
4956 /* ecowx */
4957 static void gen_ecowx(DisasContext *ctx)
4958 {
4959     TCGv t0;
4960     /* Should check EAR[E] ! */
4961     gen_set_access_type(ctx, ACCESS_EXT);
4962     t0 = tcg_temp_new();
4963     gen_addr_reg_index(ctx, t0);
4964     tcg_gen_qemu_st_tl(cpu_gpr[rD(ctx->opcode)], t0, ctx->mem_idx,
4965                        DEF_MEMOP(MO_UL | MO_ALIGN));
4966     tcg_temp_free(t0);
4967 }
4968 
4969 /* PowerPC 601 specific instructions */
4970 
4971 /* abs - abs. */
4972 static void gen_abs(DisasContext *ctx)
4973 {
4974     TCGLabel *l1 = gen_new_label();
4975     TCGLabel *l2 = gen_new_label();
4976     tcg_gen_brcondi_tl(TCG_COND_GE, cpu_gpr[rA(ctx->opcode)], 0, l1);
4977     tcg_gen_neg_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
4978     tcg_gen_br(l2);
4979     gen_set_label(l1);
4980     tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
4981     gen_set_label(l2);
4982     if (unlikely(Rc(ctx->opcode) != 0))
4983         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
4984 }
4985 
4986 /* abso - abso. */
4987 static void gen_abso(DisasContext *ctx)
4988 {
4989     TCGLabel *l1 = gen_new_label();
4990     TCGLabel *l2 = gen_new_label();
4991     TCGLabel *l3 = gen_new_label();
4992     /* Start with XER OV disabled, the most likely case */
4993     tcg_gen_movi_tl(cpu_ov, 0);
4994     tcg_gen_brcondi_tl(TCG_COND_GE, cpu_gpr[rA(ctx->opcode)], 0, l2);
4995     tcg_gen_brcondi_tl(TCG_COND_NE, cpu_gpr[rA(ctx->opcode)], 0x80000000, l1);
4996     tcg_gen_movi_tl(cpu_ov, 1);
4997     tcg_gen_movi_tl(cpu_so, 1);
4998     tcg_gen_br(l2);
4999     gen_set_label(l1);
5000     tcg_gen_neg_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
5001     tcg_gen_br(l3);
5002     gen_set_label(l2);
5003     tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
5004     gen_set_label(l3);
5005     if (unlikely(Rc(ctx->opcode) != 0))
5006         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
5007 }
5008 
5009 /* clcs */
5010 static void gen_clcs(DisasContext *ctx)
5011 {
5012     TCGv_i32 t0 = tcg_const_i32(rA(ctx->opcode));
5013     gen_helper_clcs(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
5014     tcg_temp_free_i32(t0);
5015     /* Rc=1 sets CR0 to an undefined state */
5016 }
5017 
5018 /* div - div. */
5019 static void gen_div(DisasContext *ctx)
5020 {
5021     gen_helper_div(cpu_gpr[rD(ctx->opcode)], cpu_env, cpu_gpr[rA(ctx->opcode)],
5022                    cpu_gpr[rB(ctx->opcode)]);
5023     if (unlikely(Rc(ctx->opcode) != 0))
5024         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
5025 }
5026 
5027 /* divo - divo. */
5028 static void gen_divo(DisasContext *ctx)
5029 {
5030     gen_helper_divo(cpu_gpr[rD(ctx->opcode)], cpu_env, cpu_gpr[rA(ctx->opcode)],
5031                     cpu_gpr[rB(ctx->opcode)]);
5032     if (unlikely(Rc(ctx->opcode) != 0))
5033         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
5034 }
5035 
5036 /* divs - divs. */
5037 static void gen_divs(DisasContext *ctx)
5038 {
5039     gen_helper_divs(cpu_gpr[rD(ctx->opcode)], cpu_env, cpu_gpr[rA(ctx->opcode)],
5040                     cpu_gpr[rB(ctx->opcode)]);
5041     if (unlikely(Rc(ctx->opcode) != 0))
5042         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
5043 }
5044 
5045 /* divso - divso. */
5046 static void gen_divso(DisasContext *ctx)
5047 {
5048     gen_helper_divso(cpu_gpr[rD(ctx->opcode)], cpu_env,
5049                      cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
5050     if (unlikely(Rc(ctx->opcode) != 0))
5051         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
5052 }
5053 
5054 /* doz - doz. */
5055 static void gen_doz(DisasContext *ctx)
5056 {
5057     TCGLabel *l1 = gen_new_label();
5058     TCGLabel *l2 = gen_new_label();
5059     tcg_gen_brcond_tl(TCG_COND_GE, cpu_gpr[rB(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], l1);
5060     tcg_gen_sub_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
5061     tcg_gen_br(l2);
5062     gen_set_label(l1);
5063     tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], 0);
5064     gen_set_label(l2);
5065     if (unlikely(Rc(ctx->opcode) != 0))
5066         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
5067 }
5068 
5069 /* dozo - dozo. */
5070 static void gen_dozo(DisasContext *ctx)
5071 {
5072     TCGLabel *l1 = gen_new_label();
5073     TCGLabel *l2 = gen_new_label();
5074     TCGv t0 = tcg_temp_new();
5075     TCGv t1 = tcg_temp_new();
5076     TCGv t2 = tcg_temp_new();
5077     /* Start with XER OV disabled, the most likely case */
5078     tcg_gen_movi_tl(cpu_ov, 0);
5079     tcg_gen_brcond_tl(TCG_COND_GE, cpu_gpr[rB(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], l1);
5080     tcg_gen_sub_tl(t0, cpu_gpr[rB(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
5081     tcg_gen_xor_tl(t1, cpu_gpr[rB(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
5082     tcg_gen_xor_tl(t2, cpu_gpr[rA(ctx->opcode)], t0);
5083     tcg_gen_andc_tl(t1, t1, t2);
5084     tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], t0);
5085     tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l2);
5086     tcg_gen_movi_tl(cpu_ov, 1);
5087     tcg_gen_movi_tl(cpu_so, 1);
5088     tcg_gen_br(l2);
5089     gen_set_label(l1);
5090     tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], 0);
5091     gen_set_label(l2);
5092     tcg_temp_free(t0);
5093     tcg_temp_free(t1);
5094     tcg_temp_free(t2);
5095     if (unlikely(Rc(ctx->opcode) != 0))
5096         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
5097 }
5098 
5099 /* dozi */
5100 static void gen_dozi(DisasContext *ctx)
5101 {
5102     target_long simm = SIMM(ctx->opcode);
5103     TCGLabel *l1 = gen_new_label();
5104     TCGLabel *l2 = gen_new_label();
5105     tcg_gen_brcondi_tl(TCG_COND_LT, cpu_gpr[rA(ctx->opcode)], simm, l1);
5106     tcg_gen_subfi_tl(cpu_gpr[rD(ctx->opcode)], simm, cpu_gpr[rA(ctx->opcode)]);
5107     tcg_gen_br(l2);
5108     gen_set_label(l1);
5109     tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], 0);
5110     gen_set_label(l2);
5111     if (unlikely(Rc(ctx->opcode) != 0))
5112         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
5113 }
5114 
5115 /* lscbx - lscbx. */
5116 static void gen_lscbx(DisasContext *ctx)
5117 {
5118     TCGv t0 = tcg_temp_new();
5119     TCGv_i32 t1 = tcg_const_i32(rD(ctx->opcode));
5120     TCGv_i32 t2 = tcg_const_i32(rA(ctx->opcode));
5121     TCGv_i32 t3 = tcg_const_i32(rB(ctx->opcode));
5122 
5123     gen_addr_reg_index(ctx, t0);
5124     gen_helper_lscbx(t0, cpu_env, t0, t1, t2, t3);
5125     tcg_temp_free_i32(t1);
5126     tcg_temp_free_i32(t2);
5127     tcg_temp_free_i32(t3);
5128     tcg_gen_andi_tl(cpu_xer, cpu_xer, ~0x7F);
5129     tcg_gen_or_tl(cpu_xer, cpu_xer, t0);
5130     if (unlikely(Rc(ctx->opcode) != 0))
5131         gen_set_Rc0(ctx, t0);
5132     tcg_temp_free(t0);
5133 }
5134 
5135 /* maskg - maskg. */
5136 static void gen_maskg(DisasContext *ctx)
5137 {
5138     TCGLabel *l1 = gen_new_label();
5139     TCGv t0 = tcg_temp_new();
5140     TCGv t1 = tcg_temp_new();
5141     TCGv t2 = tcg_temp_new();
5142     TCGv t3 = tcg_temp_new();
5143     tcg_gen_movi_tl(t3, 0xFFFFFFFF);
5144     tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F);
5145     tcg_gen_andi_tl(t1, cpu_gpr[rS(ctx->opcode)], 0x1F);
5146     tcg_gen_addi_tl(t2, t0, 1);
5147     tcg_gen_shr_tl(t2, t3, t2);
5148     tcg_gen_shr_tl(t3, t3, t1);
5149     tcg_gen_xor_tl(cpu_gpr[rA(ctx->opcode)], t2, t3);
5150     tcg_gen_brcond_tl(TCG_COND_GE, t0, t1, l1);
5151     tcg_gen_neg_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
5152     gen_set_label(l1);
5153     tcg_temp_free(t0);
5154     tcg_temp_free(t1);
5155     tcg_temp_free(t2);
5156     tcg_temp_free(t3);
5157     if (unlikely(Rc(ctx->opcode) != 0))
5158         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5159 }
5160 
5161 /* maskir - maskir. */
5162 static void gen_maskir(DisasContext *ctx)
5163 {
5164     TCGv t0 = tcg_temp_new();
5165     TCGv t1 = tcg_temp_new();
5166     tcg_gen_and_tl(t0, cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
5167     tcg_gen_andc_tl(t1, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
5168     tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
5169     tcg_temp_free(t0);
5170     tcg_temp_free(t1);
5171     if (unlikely(Rc(ctx->opcode) != 0))
5172         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5173 }
5174 
5175 /* mul - mul. */
5176 static void gen_mul(DisasContext *ctx)
5177 {
5178     TCGv_i64 t0 = tcg_temp_new_i64();
5179     TCGv_i64 t1 = tcg_temp_new_i64();
5180     TCGv t2 = tcg_temp_new();
5181     tcg_gen_extu_tl_i64(t0, cpu_gpr[rA(ctx->opcode)]);
5182     tcg_gen_extu_tl_i64(t1, cpu_gpr[rB(ctx->opcode)]);
5183     tcg_gen_mul_i64(t0, t0, t1);
5184     tcg_gen_trunc_i64_tl(t2, t0);
5185     gen_store_spr(SPR_MQ, t2);
5186     tcg_gen_shri_i64(t1, t0, 32);
5187     tcg_gen_trunc_i64_tl(cpu_gpr[rD(ctx->opcode)], t1);
5188     tcg_temp_free_i64(t0);
5189     tcg_temp_free_i64(t1);
5190     tcg_temp_free(t2);
5191     if (unlikely(Rc(ctx->opcode) != 0))
5192         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
5193 }
5194 
5195 /* mulo - mulo. */
5196 static void gen_mulo(DisasContext *ctx)
5197 {
5198     TCGLabel *l1 = gen_new_label();
5199     TCGv_i64 t0 = tcg_temp_new_i64();
5200     TCGv_i64 t1 = tcg_temp_new_i64();
5201     TCGv t2 = tcg_temp_new();
5202     /* Start with XER OV disabled, the most likely case */
5203     tcg_gen_movi_tl(cpu_ov, 0);
5204     tcg_gen_extu_tl_i64(t0, cpu_gpr[rA(ctx->opcode)]);
5205     tcg_gen_extu_tl_i64(t1, cpu_gpr[rB(ctx->opcode)]);
5206     tcg_gen_mul_i64(t0, t0, t1);
5207     tcg_gen_trunc_i64_tl(t2, t0);
5208     gen_store_spr(SPR_MQ, t2);
5209     tcg_gen_shri_i64(t1, t0, 32);
5210     tcg_gen_trunc_i64_tl(cpu_gpr[rD(ctx->opcode)], t1);
5211     tcg_gen_ext32s_i64(t1, t0);
5212     tcg_gen_brcond_i64(TCG_COND_EQ, t0, t1, l1);
5213     tcg_gen_movi_tl(cpu_ov, 1);
5214     tcg_gen_movi_tl(cpu_so, 1);
5215     gen_set_label(l1);
5216     tcg_temp_free_i64(t0);
5217     tcg_temp_free_i64(t1);
5218     tcg_temp_free(t2);
5219     if (unlikely(Rc(ctx->opcode) != 0))
5220         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
5221 }
5222 
5223 /* nabs - nabs. */
5224 static void gen_nabs(DisasContext *ctx)
5225 {
5226     TCGLabel *l1 = gen_new_label();
5227     TCGLabel *l2 = gen_new_label();
5228     tcg_gen_brcondi_tl(TCG_COND_GT, cpu_gpr[rA(ctx->opcode)], 0, l1);
5229     tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
5230     tcg_gen_br(l2);
5231     gen_set_label(l1);
5232     tcg_gen_neg_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
5233     gen_set_label(l2);
5234     if (unlikely(Rc(ctx->opcode) != 0))
5235         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
5236 }
5237 
5238 /* nabso - nabso. */
5239 static void gen_nabso(DisasContext *ctx)
5240 {
5241     TCGLabel *l1 = gen_new_label();
5242     TCGLabel *l2 = gen_new_label();
5243     tcg_gen_brcondi_tl(TCG_COND_GT, cpu_gpr[rA(ctx->opcode)], 0, l1);
5244     tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
5245     tcg_gen_br(l2);
5246     gen_set_label(l1);
5247     tcg_gen_neg_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
5248     gen_set_label(l2);
5249     /* nabs never overflows */
5250     tcg_gen_movi_tl(cpu_ov, 0);
5251     if (unlikely(Rc(ctx->opcode) != 0))
5252         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
5253 }
5254 
5255 /* rlmi - rlmi. */
5256 static void gen_rlmi(DisasContext *ctx)
5257 {
5258     uint32_t mb = MB(ctx->opcode);
5259     uint32_t me = ME(ctx->opcode);
5260     TCGv t0 = tcg_temp_new();
5261     tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F);
5262     tcg_gen_rotl_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
5263     tcg_gen_andi_tl(t0, t0, MASK(mb, me));
5264     tcg_gen_andi_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], ~MASK(mb, me));
5265     tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], t0);
5266     tcg_temp_free(t0);
5267     if (unlikely(Rc(ctx->opcode) != 0))
5268         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5269 }
5270 
5271 /* rrib - rrib. */
5272 static void gen_rrib(DisasContext *ctx)
5273 {
5274     TCGv t0 = tcg_temp_new();
5275     TCGv t1 = tcg_temp_new();
5276     tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F);
5277     tcg_gen_movi_tl(t1, 0x80000000);
5278     tcg_gen_shr_tl(t1, t1, t0);
5279     tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
5280     tcg_gen_and_tl(t0, t0, t1);
5281     tcg_gen_andc_tl(t1, cpu_gpr[rA(ctx->opcode)], t1);
5282     tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
5283     tcg_temp_free(t0);
5284     tcg_temp_free(t1);
5285     if (unlikely(Rc(ctx->opcode) != 0))
5286         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5287 }
5288 
5289 /* sle - sle. */
5290 static void gen_sle(DisasContext *ctx)
5291 {
5292     TCGv t0 = tcg_temp_new();
5293     TCGv t1 = tcg_temp_new();
5294     tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F);
5295     tcg_gen_shl_tl(t0, cpu_gpr[rS(ctx->opcode)], t1);
5296     tcg_gen_subfi_tl(t1, 32, t1);
5297     tcg_gen_shr_tl(t1, cpu_gpr[rS(ctx->opcode)], t1);
5298     tcg_gen_or_tl(t1, t0, t1);
5299     tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
5300     gen_store_spr(SPR_MQ, t1);
5301     tcg_temp_free(t0);
5302     tcg_temp_free(t1);
5303     if (unlikely(Rc(ctx->opcode) != 0))
5304         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5305 }
5306 
5307 /* sleq - sleq. */
5308 static void gen_sleq(DisasContext *ctx)
5309 {
5310     TCGv t0 = tcg_temp_new();
5311     TCGv t1 = tcg_temp_new();
5312     TCGv t2 = tcg_temp_new();
5313     tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F);
5314     tcg_gen_movi_tl(t2, 0xFFFFFFFF);
5315     tcg_gen_shl_tl(t2, t2, t0);
5316     tcg_gen_rotl_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
5317     gen_load_spr(t1, SPR_MQ);
5318     gen_store_spr(SPR_MQ, t0);
5319     tcg_gen_and_tl(t0, t0, t2);
5320     tcg_gen_andc_tl(t1, t1, t2);
5321     tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
5322     tcg_temp_free(t0);
5323     tcg_temp_free(t1);
5324     tcg_temp_free(t2);
5325     if (unlikely(Rc(ctx->opcode) != 0))
5326         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5327 }
5328 
5329 /* sliq - sliq. */
5330 static void gen_sliq(DisasContext *ctx)
5331 {
5332     int sh = SH(ctx->opcode);
5333     TCGv t0 = tcg_temp_new();
5334     TCGv t1 = tcg_temp_new();
5335     tcg_gen_shli_tl(t0, cpu_gpr[rS(ctx->opcode)], sh);
5336     tcg_gen_shri_tl(t1, cpu_gpr[rS(ctx->opcode)], 32 - sh);
5337     tcg_gen_or_tl(t1, t0, t1);
5338     tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
5339     gen_store_spr(SPR_MQ, t1);
5340     tcg_temp_free(t0);
5341     tcg_temp_free(t1);
5342     if (unlikely(Rc(ctx->opcode) != 0))
5343         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5344 }
5345 
5346 /* slliq - slliq. */
5347 static void gen_slliq(DisasContext *ctx)
5348 {
5349     int sh = SH(ctx->opcode);
5350     TCGv t0 = tcg_temp_new();
5351     TCGv t1 = tcg_temp_new();
5352     tcg_gen_rotli_tl(t0, cpu_gpr[rS(ctx->opcode)], sh);
5353     gen_load_spr(t1, SPR_MQ);
5354     gen_store_spr(SPR_MQ, t0);
5355     tcg_gen_andi_tl(t0, t0,  (0xFFFFFFFFU << sh));
5356     tcg_gen_andi_tl(t1, t1, ~(0xFFFFFFFFU << sh));
5357     tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
5358     tcg_temp_free(t0);
5359     tcg_temp_free(t1);
5360     if (unlikely(Rc(ctx->opcode) != 0))
5361         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5362 }
5363 
5364 /* sllq - sllq. */
5365 static void gen_sllq(DisasContext *ctx)
5366 {
5367     TCGLabel *l1 = gen_new_label();
5368     TCGLabel *l2 = gen_new_label();
5369     TCGv t0 = tcg_temp_local_new();
5370     TCGv t1 = tcg_temp_local_new();
5371     TCGv t2 = tcg_temp_local_new();
5372     tcg_gen_andi_tl(t2, cpu_gpr[rB(ctx->opcode)], 0x1F);
5373     tcg_gen_movi_tl(t1, 0xFFFFFFFF);
5374     tcg_gen_shl_tl(t1, t1, t2);
5375     tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x20);
5376     tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1);
5377     gen_load_spr(t0, SPR_MQ);
5378     tcg_gen_and_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
5379     tcg_gen_br(l2);
5380     gen_set_label(l1);
5381     tcg_gen_shl_tl(t0, cpu_gpr[rS(ctx->opcode)], t2);
5382     gen_load_spr(t2, SPR_MQ);
5383     tcg_gen_andc_tl(t1, t2, t1);
5384     tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
5385     gen_set_label(l2);
5386     tcg_temp_free(t0);
5387     tcg_temp_free(t1);
5388     tcg_temp_free(t2);
5389     if (unlikely(Rc(ctx->opcode) != 0))
5390         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5391 }
5392 
5393 /* slq - slq. */
5394 static void gen_slq(DisasContext *ctx)
5395 {
5396     TCGLabel *l1 = gen_new_label();
5397     TCGv t0 = tcg_temp_new();
5398     TCGv t1 = tcg_temp_new();
5399     tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F);
5400     tcg_gen_shl_tl(t0, cpu_gpr[rS(ctx->opcode)], t1);
5401     tcg_gen_subfi_tl(t1, 32, t1);
5402     tcg_gen_shr_tl(t1, cpu_gpr[rS(ctx->opcode)], t1);
5403     tcg_gen_or_tl(t1, t0, t1);
5404     gen_store_spr(SPR_MQ, t1);
5405     tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x20);
5406     tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
5407     tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1);
5408     tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0);
5409     gen_set_label(l1);
5410     tcg_temp_free(t0);
5411     tcg_temp_free(t1);
5412     if (unlikely(Rc(ctx->opcode) != 0))
5413         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5414 }
5415 
5416 /* sraiq - sraiq. */
5417 static void gen_sraiq(DisasContext *ctx)
5418 {
5419     int sh = SH(ctx->opcode);
5420     TCGLabel *l1 = gen_new_label();
5421     TCGv t0 = tcg_temp_new();
5422     TCGv t1 = tcg_temp_new();
5423     tcg_gen_shri_tl(t0, cpu_gpr[rS(ctx->opcode)], sh);
5424     tcg_gen_shli_tl(t1, cpu_gpr[rS(ctx->opcode)], 32 - sh);
5425     tcg_gen_or_tl(t0, t0, t1);
5426     gen_store_spr(SPR_MQ, t0);
5427     tcg_gen_movi_tl(cpu_ca, 0);
5428     tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1);
5429     tcg_gen_brcondi_tl(TCG_COND_GE, cpu_gpr[rS(ctx->opcode)], 0, l1);
5430     tcg_gen_movi_tl(cpu_ca, 1);
5431     gen_set_label(l1);
5432     tcg_gen_sari_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], sh);
5433     tcg_temp_free(t0);
5434     tcg_temp_free(t1);
5435     if (unlikely(Rc(ctx->opcode) != 0))
5436         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5437 }
5438 
5439 /* sraq - sraq. */
5440 static void gen_sraq(DisasContext *ctx)
5441 {
5442     TCGLabel *l1 = gen_new_label();
5443     TCGLabel *l2 = gen_new_label();
5444     TCGv t0 = tcg_temp_new();
5445     TCGv t1 = tcg_temp_local_new();
5446     TCGv t2 = tcg_temp_local_new();
5447     tcg_gen_andi_tl(t2, cpu_gpr[rB(ctx->opcode)], 0x1F);
5448     tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t2);
5449     tcg_gen_sar_tl(t1, cpu_gpr[rS(ctx->opcode)], t2);
5450     tcg_gen_subfi_tl(t2, 32, t2);
5451     tcg_gen_shl_tl(t2, cpu_gpr[rS(ctx->opcode)], t2);
5452     tcg_gen_or_tl(t0, t0, t2);
5453     gen_store_spr(SPR_MQ, t0);
5454     tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x20);
5455     tcg_gen_brcondi_tl(TCG_COND_EQ, t2, 0, l1);
5456     tcg_gen_mov_tl(t2, cpu_gpr[rS(ctx->opcode)]);
5457     tcg_gen_sari_tl(t1, cpu_gpr[rS(ctx->opcode)], 31);
5458     gen_set_label(l1);
5459     tcg_temp_free(t0);
5460     tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t1);
5461     tcg_gen_movi_tl(cpu_ca, 0);
5462     tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l2);
5463     tcg_gen_brcondi_tl(TCG_COND_EQ, t2, 0, l2);
5464     tcg_gen_movi_tl(cpu_ca, 1);
5465     gen_set_label(l2);
5466     tcg_temp_free(t1);
5467     tcg_temp_free(t2);
5468     if (unlikely(Rc(ctx->opcode) != 0))
5469         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5470 }
5471 
5472 /* sre - sre. */
5473 static void gen_sre(DisasContext *ctx)
5474 {
5475     TCGv t0 = tcg_temp_new();
5476     TCGv t1 = tcg_temp_new();
5477     tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F);
5478     tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t1);
5479     tcg_gen_subfi_tl(t1, 32, t1);
5480     tcg_gen_shl_tl(t1, cpu_gpr[rS(ctx->opcode)], t1);
5481     tcg_gen_or_tl(t1, t0, t1);
5482     tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
5483     gen_store_spr(SPR_MQ, t1);
5484     tcg_temp_free(t0);
5485     tcg_temp_free(t1);
5486     if (unlikely(Rc(ctx->opcode) != 0))
5487         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5488 }
5489 
5490 /* srea - srea. */
5491 static void gen_srea(DisasContext *ctx)
5492 {
5493     TCGv t0 = tcg_temp_new();
5494     TCGv t1 = tcg_temp_new();
5495     tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F);
5496     tcg_gen_rotr_tl(t0, cpu_gpr[rS(ctx->opcode)], t1);
5497     gen_store_spr(SPR_MQ, t0);
5498     tcg_gen_sar_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], t1);
5499     tcg_temp_free(t0);
5500     tcg_temp_free(t1);
5501     if (unlikely(Rc(ctx->opcode) != 0))
5502         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5503 }
5504 
5505 /* sreq */
5506 static void gen_sreq(DisasContext *ctx)
5507 {
5508     TCGv t0 = tcg_temp_new();
5509     TCGv t1 = tcg_temp_new();
5510     TCGv t2 = tcg_temp_new();
5511     tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F);
5512     tcg_gen_movi_tl(t1, 0xFFFFFFFF);
5513     tcg_gen_shr_tl(t1, t1, t0);
5514     tcg_gen_rotr_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
5515     gen_load_spr(t2, SPR_MQ);
5516     gen_store_spr(SPR_MQ, t0);
5517     tcg_gen_and_tl(t0, t0, t1);
5518     tcg_gen_andc_tl(t2, t2, t1);
5519     tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t2);
5520     tcg_temp_free(t0);
5521     tcg_temp_free(t1);
5522     tcg_temp_free(t2);
5523     if (unlikely(Rc(ctx->opcode) != 0))
5524         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5525 }
5526 
5527 /* sriq */
5528 static void gen_sriq(DisasContext *ctx)
5529 {
5530     int sh = SH(ctx->opcode);
5531     TCGv t0 = tcg_temp_new();
5532     TCGv t1 = tcg_temp_new();
5533     tcg_gen_shri_tl(t0, cpu_gpr[rS(ctx->opcode)], sh);
5534     tcg_gen_shli_tl(t1, cpu_gpr[rS(ctx->opcode)], 32 - sh);
5535     tcg_gen_or_tl(t1, t0, t1);
5536     tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
5537     gen_store_spr(SPR_MQ, t1);
5538     tcg_temp_free(t0);
5539     tcg_temp_free(t1);
5540     if (unlikely(Rc(ctx->opcode) != 0))
5541         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5542 }
5543 
5544 /* srliq */
5545 static void gen_srliq(DisasContext *ctx)
5546 {
5547     int sh = SH(ctx->opcode);
5548     TCGv t0 = tcg_temp_new();
5549     TCGv t1 = tcg_temp_new();
5550     tcg_gen_rotri_tl(t0, cpu_gpr[rS(ctx->opcode)], sh);
5551     gen_load_spr(t1, SPR_MQ);
5552     gen_store_spr(SPR_MQ, t0);
5553     tcg_gen_andi_tl(t0, t0,  (0xFFFFFFFFU >> sh));
5554     tcg_gen_andi_tl(t1, t1, ~(0xFFFFFFFFU >> sh));
5555     tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
5556     tcg_temp_free(t0);
5557     tcg_temp_free(t1);
5558     if (unlikely(Rc(ctx->opcode) != 0))
5559         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5560 }
5561 
5562 /* srlq */
5563 static void gen_srlq(DisasContext *ctx)
5564 {
5565     TCGLabel *l1 = gen_new_label();
5566     TCGLabel *l2 = gen_new_label();
5567     TCGv t0 = tcg_temp_local_new();
5568     TCGv t1 = tcg_temp_local_new();
5569     TCGv t2 = tcg_temp_local_new();
5570     tcg_gen_andi_tl(t2, cpu_gpr[rB(ctx->opcode)], 0x1F);
5571     tcg_gen_movi_tl(t1, 0xFFFFFFFF);
5572     tcg_gen_shr_tl(t2, t1, t2);
5573     tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x20);
5574     tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1);
5575     gen_load_spr(t0, SPR_MQ);
5576     tcg_gen_and_tl(cpu_gpr[rA(ctx->opcode)], t0, t2);
5577     tcg_gen_br(l2);
5578     gen_set_label(l1);
5579     tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t2);
5580     tcg_gen_and_tl(t0, t0, t2);
5581     gen_load_spr(t1, SPR_MQ);
5582     tcg_gen_andc_tl(t1, t1, t2);
5583     tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
5584     gen_set_label(l2);
5585     tcg_temp_free(t0);
5586     tcg_temp_free(t1);
5587     tcg_temp_free(t2);
5588     if (unlikely(Rc(ctx->opcode) != 0))
5589         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5590 }
5591 
5592 /* srq */
5593 static void gen_srq(DisasContext *ctx)
5594 {
5595     TCGLabel *l1 = gen_new_label();
5596     TCGv t0 = tcg_temp_new();
5597     TCGv t1 = tcg_temp_new();
5598     tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F);
5599     tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t1);
5600     tcg_gen_subfi_tl(t1, 32, t1);
5601     tcg_gen_shl_tl(t1, cpu_gpr[rS(ctx->opcode)], t1);
5602     tcg_gen_or_tl(t1, t0, t1);
5603     gen_store_spr(SPR_MQ, t1);
5604     tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x20);
5605     tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
5606     tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1);
5607     tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0);
5608     gen_set_label(l1);
5609     tcg_temp_free(t0);
5610     tcg_temp_free(t1);
5611     if (unlikely(Rc(ctx->opcode) != 0))
5612         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5613 }
5614 
5615 /* PowerPC 602 specific instructions */
5616 
5617 /* dsa  */
5618 static void gen_dsa(DisasContext *ctx)
5619 {
5620     /* XXX: TODO */
5621     gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
5622 }
5623 
5624 /* esa */
5625 static void gen_esa(DisasContext *ctx)
5626 {
5627     /* XXX: TODO */
5628     gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
5629 }
5630 
5631 /* mfrom */
5632 static void gen_mfrom(DisasContext *ctx)
5633 {
5634 #if defined(CONFIG_USER_ONLY)
5635     GEN_PRIV;
5636 #else
5637     CHK_SV;
5638     gen_helper_602_mfrom(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
5639 #endif /* defined(CONFIG_USER_ONLY) */
5640 }
5641 
5642 /* 602 - 603 - G2 TLB management */
5643 
5644 /* tlbld */
5645 static void gen_tlbld_6xx(DisasContext *ctx)
5646 {
5647 #if defined(CONFIG_USER_ONLY)
5648     GEN_PRIV;
5649 #else
5650     CHK_SV;
5651     gen_helper_6xx_tlbd(cpu_env, cpu_gpr[rB(ctx->opcode)]);
5652 #endif /* defined(CONFIG_USER_ONLY) */
5653 }
5654 
5655 /* tlbli */
5656 static void gen_tlbli_6xx(DisasContext *ctx)
5657 {
5658 #if defined(CONFIG_USER_ONLY)
5659     GEN_PRIV;
5660 #else
5661     CHK_SV;
5662     gen_helper_6xx_tlbi(cpu_env, cpu_gpr[rB(ctx->opcode)]);
5663 #endif /* defined(CONFIG_USER_ONLY) */
5664 }
5665 
5666 /* 74xx TLB management */
5667 
5668 /* tlbld */
5669 static void gen_tlbld_74xx(DisasContext *ctx)
5670 {
5671 #if defined(CONFIG_USER_ONLY)
5672     GEN_PRIV;
5673 #else
5674     CHK_SV;
5675     gen_helper_74xx_tlbd(cpu_env, cpu_gpr[rB(ctx->opcode)]);
5676 #endif /* defined(CONFIG_USER_ONLY) */
5677 }
5678 
5679 /* tlbli */
5680 static void gen_tlbli_74xx(DisasContext *ctx)
5681 {
5682 #if defined(CONFIG_USER_ONLY)
5683     GEN_PRIV;
5684 #else
5685     CHK_SV;
5686     gen_helper_74xx_tlbi(cpu_env, cpu_gpr[rB(ctx->opcode)]);
5687 #endif /* defined(CONFIG_USER_ONLY) */
5688 }
5689 
5690 /* POWER instructions not in PowerPC 601 */
5691 
5692 /* clf */
5693 static void gen_clf(DisasContext *ctx)
5694 {
5695     /* Cache line flush: implemented as no-op */
5696 }
5697 
5698 /* cli */
5699 static void gen_cli(DisasContext *ctx)
5700 {
5701 #if defined(CONFIG_USER_ONLY)
5702     GEN_PRIV;
5703 #else
5704     /* Cache line invalidate: privileged and treated as no-op */
5705     CHK_SV;
5706 #endif /* defined(CONFIG_USER_ONLY) */
5707 }
5708 
5709 /* dclst */
5710 static void gen_dclst(DisasContext *ctx)
5711 {
5712     /* Data cache line store: treated as no-op */
5713 }
5714 
5715 static void gen_mfsri(DisasContext *ctx)
5716 {
5717 #if defined(CONFIG_USER_ONLY)
5718     GEN_PRIV;
5719 #else
5720     int ra = rA(ctx->opcode);
5721     int rd = rD(ctx->opcode);
5722     TCGv t0;
5723 
5724     CHK_SV;
5725     t0 = tcg_temp_new();
5726     gen_addr_reg_index(ctx, t0);
5727     tcg_gen_extract_tl(t0, t0, 28, 4);
5728     gen_helper_load_sr(cpu_gpr[rd], cpu_env, t0);
5729     tcg_temp_free(t0);
5730     if (ra != 0 && ra != rd)
5731         tcg_gen_mov_tl(cpu_gpr[ra], cpu_gpr[rd]);
5732 #endif /* defined(CONFIG_USER_ONLY) */
5733 }
5734 
5735 static void gen_rac(DisasContext *ctx)
5736 {
5737 #if defined(CONFIG_USER_ONLY)
5738     GEN_PRIV;
5739 #else
5740     TCGv t0;
5741 
5742     CHK_SV;
5743     t0 = tcg_temp_new();
5744     gen_addr_reg_index(ctx, t0);
5745     gen_helper_rac(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
5746     tcg_temp_free(t0);
5747 #endif /* defined(CONFIG_USER_ONLY) */
5748 }
5749 
5750 static void gen_rfsvc(DisasContext *ctx)
5751 {
5752 #if defined(CONFIG_USER_ONLY)
5753     GEN_PRIV;
5754 #else
5755     CHK_SV;
5756 
5757     gen_helper_rfsvc(cpu_env);
5758     gen_sync_exception(ctx);
5759 #endif /* defined(CONFIG_USER_ONLY) */
5760 }
5761 
5762 /* svc is not implemented for now */
5763 
5764 /* BookE specific instructions */
5765 
5766 /* XXX: not implemented on 440 ? */
5767 static void gen_mfapidi(DisasContext *ctx)
5768 {
5769     /* XXX: TODO */
5770     gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
5771 }
5772 
5773 /* XXX: not implemented on 440 ? */
5774 static void gen_tlbiva(DisasContext *ctx)
5775 {
5776 #if defined(CONFIG_USER_ONLY)
5777     GEN_PRIV;
5778 #else
5779     TCGv t0;
5780 
5781     CHK_SV;
5782     t0 = tcg_temp_new();
5783     gen_addr_reg_index(ctx, t0);
5784     gen_helper_tlbiva(cpu_env, cpu_gpr[rB(ctx->opcode)]);
5785     tcg_temp_free(t0);
5786 #endif /* defined(CONFIG_USER_ONLY) */
5787 }
5788 
5789 /* All 405 MAC instructions are translated here */
5790 static inline void gen_405_mulladd_insn(DisasContext *ctx, int opc2, int opc3,
5791                                         int ra, int rb, int rt, int Rc)
5792 {
5793     TCGv t0, t1;
5794 
5795     t0 = tcg_temp_local_new();
5796     t1 = tcg_temp_local_new();
5797 
5798     switch (opc3 & 0x0D) {
5799     case 0x05:
5800         /* macchw    - macchw.    - macchwo   - macchwo.   */
5801         /* macchws   - macchws.   - macchwso  - macchwso.  */
5802         /* nmacchw   - nmacchw.   - nmacchwo  - nmacchwo.  */
5803         /* nmacchws  - nmacchws.  - nmacchwso - nmacchwso. */
5804         /* mulchw - mulchw. */
5805         tcg_gen_ext16s_tl(t0, cpu_gpr[ra]);
5806         tcg_gen_sari_tl(t1, cpu_gpr[rb], 16);
5807         tcg_gen_ext16s_tl(t1, t1);
5808         break;
5809     case 0x04:
5810         /* macchwu   - macchwu.   - macchwuo  - macchwuo.  */
5811         /* macchwsu  - macchwsu.  - macchwsuo - macchwsuo. */
5812         /* mulchwu - mulchwu. */
5813         tcg_gen_ext16u_tl(t0, cpu_gpr[ra]);
5814         tcg_gen_shri_tl(t1, cpu_gpr[rb], 16);
5815         tcg_gen_ext16u_tl(t1, t1);
5816         break;
5817     case 0x01:
5818         /* machhw    - machhw.    - machhwo   - machhwo.   */
5819         /* machhws   - machhws.   - machhwso  - machhwso.  */
5820         /* nmachhw   - nmachhw.   - nmachhwo  - nmachhwo.  */
5821         /* nmachhws  - nmachhws.  - nmachhwso - nmachhwso. */
5822         /* mulhhw - mulhhw. */
5823         tcg_gen_sari_tl(t0, cpu_gpr[ra], 16);
5824         tcg_gen_ext16s_tl(t0, t0);
5825         tcg_gen_sari_tl(t1, cpu_gpr[rb], 16);
5826         tcg_gen_ext16s_tl(t1, t1);
5827         break;
5828     case 0x00:
5829         /* machhwu   - machhwu.   - machhwuo  - machhwuo.  */
5830         /* machhwsu  - machhwsu.  - machhwsuo - machhwsuo. */
5831         /* mulhhwu - mulhhwu. */
5832         tcg_gen_shri_tl(t0, cpu_gpr[ra], 16);
5833         tcg_gen_ext16u_tl(t0, t0);
5834         tcg_gen_shri_tl(t1, cpu_gpr[rb], 16);
5835         tcg_gen_ext16u_tl(t1, t1);
5836         break;
5837     case 0x0D:
5838         /* maclhw    - maclhw.    - maclhwo   - maclhwo.   */
5839         /* maclhws   - maclhws.   - maclhwso  - maclhwso.  */
5840         /* nmaclhw   - nmaclhw.   - nmaclhwo  - nmaclhwo.  */
5841         /* nmaclhws  - nmaclhws.  - nmaclhwso - nmaclhwso. */
5842         /* mullhw - mullhw. */
5843         tcg_gen_ext16s_tl(t0, cpu_gpr[ra]);
5844         tcg_gen_ext16s_tl(t1, cpu_gpr[rb]);
5845         break;
5846     case 0x0C:
5847         /* maclhwu   - maclhwu.   - maclhwuo  - maclhwuo.  */
5848         /* maclhwsu  - maclhwsu.  - maclhwsuo - maclhwsuo. */
5849         /* mullhwu - mullhwu. */
5850         tcg_gen_ext16u_tl(t0, cpu_gpr[ra]);
5851         tcg_gen_ext16u_tl(t1, cpu_gpr[rb]);
5852         break;
5853     }
5854     if (opc2 & 0x04) {
5855         /* (n)multiply-and-accumulate (0x0C / 0x0E) */
5856         tcg_gen_mul_tl(t1, t0, t1);
5857         if (opc2 & 0x02) {
5858             /* nmultiply-and-accumulate (0x0E) */
5859             tcg_gen_sub_tl(t0, cpu_gpr[rt], t1);
5860         } else {
5861             /* multiply-and-accumulate (0x0C) */
5862             tcg_gen_add_tl(t0, cpu_gpr[rt], t1);
5863         }
5864 
5865         if (opc3 & 0x12) {
5866             /* Check overflow and/or saturate */
5867             TCGLabel *l1 = gen_new_label();
5868 
5869             if (opc3 & 0x10) {
5870                 /* Start with XER OV disabled, the most likely case */
5871                 tcg_gen_movi_tl(cpu_ov, 0);
5872             }
5873             if (opc3 & 0x01) {
5874                 /* Signed */
5875                 tcg_gen_xor_tl(t1, cpu_gpr[rt], t1);
5876                 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1);
5877                 tcg_gen_xor_tl(t1, cpu_gpr[rt], t0);
5878                 tcg_gen_brcondi_tl(TCG_COND_LT, t1, 0, l1);
5879                 if (opc3 & 0x02) {
5880                     /* Saturate */
5881                     tcg_gen_sari_tl(t0, cpu_gpr[rt], 31);
5882                     tcg_gen_xori_tl(t0, t0, 0x7fffffff);
5883                 }
5884             } else {
5885                 /* Unsigned */
5886                 tcg_gen_brcond_tl(TCG_COND_GEU, t0, t1, l1);
5887                 if (opc3 & 0x02) {
5888                     /* Saturate */
5889                     tcg_gen_movi_tl(t0, UINT32_MAX);
5890                 }
5891             }
5892             if (opc3 & 0x10) {
5893                 /* Check overflow */
5894                 tcg_gen_movi_tl(cpu_ov, 1);
5895                 tcg_gen_movi_tl(cpu_so, 1);
5896             }
5897             gen_set_label(l1);
5898             tcg_gen_mov_tl(cpu_gpr[rt], t0);
5899         }
5900     } else {
5901         tcg_gen_mul_tl(cpu_gpr[rt], t0, t1);
5902     }
5903     tcg_temp_free(t0);
5904     tcg_temp_free(t1);
5905     if (unlikely(Rc) != 0) {
5906         /* Update Rc0 */
5907         gen_set_Rc0(ctx, cpu_gpr[rt]);
5908     }
5909 }
5910 
5911 #define GEN_MAC_HANDLER(name, opc2, opc3)                                     \
5912 static void glue(gen_, name)(DisasContext *ctx)                               \
5913 {                                                                             \
5914     gen_405_mulladd_insn(ctx, opc2, opc3, rA(ctx->opcode), rB(ctx->opcode),   \
5915                          rD(ctx->opcode), Rc(ctx->opcode));                   \
5916 }
5917 
5918 /* macchw    - macchw.    */
5919 GEN_MAC_HANDLER(macchw, 0x0C, 0x05);
5920 /* macchwo   - macchwo.   */
5921 GEN_MAC_HANDLER(macchwo, 0x0C, 0x15);
5922 /* macchws   - macchws.   */
5923 GEN_MAC_HANDLER(macchws, 0x0C, 0x07);
5924 /* macchwso  - macchwso.  */
5925 GEN_MAC_HANDLER(macchwso, 0x0C, 0x17);
5926 /* macchwsu  - macchwsu.  */
5927 GEN_MAC_HANDLER(macchwsu, 0x0C, 0x06);
5928 /* macchwsuo - macchwsuo. */
5929 GEN_MAC_HANDLER(macchwsuo, 0x0C, 0x16);
5930 /* macchwu   - macchwu.   */
5931 GEN_MAC_HANDLER(macchwu, 0x0C, 0x04);
5932 /* macchwuo  - macchwuo.  */
5933 GEN_MAC_HANDLER(macchwuo, 0x0C, 0x14);
5934 /* machhw    - machhw.    */
5935 GEN_MAC_HANDLER(machhw, 0x0C, 0x01);
5936 /* machhwo   - machhwo.   */
5937 GEN_MAC_HANDLER(machhwo, 0x0C, 0x11);
5938 /* machhws   - machhws.   */
5939 GEN_MAC_HANDLER(machhws, 0x0C, 0x03);
5940 /* machhwso  - machhwso.  */
5941 GEN_MAC_HANDLER(machhwso, 0x0C, 0x13);
5942 /* machhwsu  - machhwsu.  */
5943 GEN_MAC_HANDLER(machhwsu, 0x0C, 0x02);
5944 /* machhwsuo - machhwsuo. */
5945 GEN_MAC_HANDLER(machhwsuo, 0x0C, 0x12);
5946 /* machhwu   - machhwu.   */
5947 GEN_MAC_HANDLER(machhwu, 0x0C, 0x00);
5948 /* machhwuo  - machhwuo.  */
5949 GEN_MAC_HANDLER(machhwuo, 0x0C, 0x10);
5950 /* maclhw    - maclhw.    */
5951 GEN_MAC_HANDLER(maclhw, 0x0C, 0x0D);
5952 /* maclhwo   - maclhwo.   */
5953 GEN_MAC_HANDLER(maclhwo, 0x0C, 0x1D);
5954 /* maclhws   - maclhws.   */
5955 GEN_MAC_HANDLER(maclhws, 0x0C, 0x0F);
5956 /* maclhwso  - maclhwso.  */
5957 GEN_MAC_HANDLER(maclhwso, 0x0C, 0x1F);
5958 /* maclhwu   - maclhwu.   */
5959 GEN_MAC_HANDLER(maclhwu, 0x0C, 0x0C);
5960 /* maclhwuo  - maclhwuo.  */
5961 GEN_MAC_HANDLER(maclhwuo, 0x0C, 0x1C);
5962 /* maclhwsu  - maclhwsu.  */
5963 GEN_MAC_HANDLER(maclhwsu, 0x0C, 0x0E);
5964 /* maclhwsuo - maclhwsuo. */
5965 GEN_MAC_HANDLER(maclhwsuo, 0x0C, 0x1E);
5966 /* nmacchw   - nmacchw.   */
5967 GEN_MAC_HANDLER(nmacchw, 0x0E, 0x05);
5968 /* nmacchwo  - nmacchwo.  */
5969 GEN_MAC_HANDLER(nmacchwo, 0x0E, 0x15);
5970 /* nmacchws  - nmacchws.  */
5971 GEN_MAC_HANDLER(nmacchws, 0x0E, 0x07);
5972 /* nmacchwso - nmacchwso. */
5973 GEN_MAC_HANDLER(nmacchwso, 0x0E, 0x17);
5974 /* nmachhw   - nmachhw.   */
5975 GEN_MAC_HANDLER(nmachhw, 0x0E, 0x01);
5976 /* nmachhwo  - nmachhwo.  */
5977 GEN_MAC_HANDLER(nmachhwo, 0x0E, 0x11);
5978 /* nmachhws  - nmachhws.  */
5979 GEN_MAC_HANDLER(nmachhws, 0x0E, 0x03);
5980 /* nmachhwso - nmachhwso. */
5981 GEN_MAC_HANDLER(nmachhwso, 0x0E, 0x13);
5982 /* nmaclhw   - nmaclhw.   */
5983 GEN_MAC_HANDLER(nmaclhw, 0x0E, 0x0D);
5984 /* nmaclhwo  - nmaclhwo.  */
5985 GEN_MAC_HANDLER(nmaclhwo, 0x0E, 0x1D);
5986 /* nmaclhws  - nmaclhws.  */
5987 GEN_MAC_HANDLER(nmaclhws, 0x0E, 0x0F);
5988 /* nmaclhwso - nmaclhwso. */
5989 GEN_MAC_HANDLER(nmaclhwso, 0x0E, 0x1F);
5990 
5991 /* mulchw  - mulchw.  */
5992 GEN_MAC_HANDLER(mulchw, 0x08, 0x05);
5993 /* mulchwu - mulchwu. */
5994 GEN_MAC_HANDLER(mulchwu, 0x08, 0x04);
5995 /* mulhhw  - mulhhw.  */
5996 GEN_MAC_HANDLER(mulhhw, 0x08, 0x01);
5997 /* mulhhwu - mulhhwu. */
5998 GEN_MAC_HANDLER(mulhhwu, 0x08, 0x00);
5999 /* mullhw  - mullhw.  */
6000 GEN_MAC_HANDLER(mullhw, 0x08, 0x0D);
6001 /* mullhwu - mullhwu. */
6002 GEN_MAC_HANDLER(mullhwu, 0x08, 0x0C);
6003 
6004 /* mfdcr */
6005 static void gen_mfdcr(DisasContext *ctx)
6006 {
6007 #if defined(CONFIG_USER_ONLY)
6008     GEN_PRIV;
6009 #else
6010     TCGv dcrn;
6011 
6012     CHK_SV;
6013     dcrn = tcg_const_tl(SPR(ctx->opcode));
6014     gen_helper_load_dcr(cpu_gpr[rD(ctx->opcode)], cpu_env, dcrn);
6015     tcg_temp_free(dcrn);
6016 #endif /* defined(CONFIG_USER_ONLY) */
6017 }
6018 
6019 /* mtdcr */
6020 static void gen_mtdcr(DisasContext *ctx)
6021 {
6022 #if defined(CONFIG_USER_ONLY)
6023     GEN_PRIV;
6024 #else
6025     TCGv dcrn;
6026 
6027     CHK_SV;
6028     dcrn = tcg_const_tl(SPR(ctx->opcode));
6029     gen_helper_store_dcr(cpu_env, dcrn, cpu_gpr[rS(ctx->opcode)]);
6030     tcg_temp_free(dcrn);
6031 #endif /* defined(CONFIG_USER_ONLY) */
6032 }
6033 
6034 /* mfdcrx */
6035 /* XXX: not implemented on 440 ? */
6036 static void gen_mfdcrx(DisasContext *ctx)
6037 {
6038 #if defined(CONFIG_USER_ONLY)
6039     GEN_PRIV;
6040 #else
6041     CHK_SV;
6042     gen_helper_load_dcr(cpu_gpr[rD(ctx->opcode)], cpu_env,
6043                         cpu_gpr[rA(ctx->opcode)]);
6044     /* Note: Rc update flag set leads to undefined state of Rc0 */
6045 #endif /* defined(CONFIG_USER_ONLY) */
6046 }
6047 
6048 /* mtdcrx */
6049 /* XXX: not implemented on 440 ? */
6050 static void gen_mtdcrx(DisasContext *ctx)
6051 {
6052 #if defined(CONFIG_USER_ONLY)
6053     GEN_PRIV;
6054 #else
6055     CHK_SV;
6056     gen_helper_store_dcr(cpu_env, cpu_gpr[rA(ctx->opcode)],
6057                          cpu_gpr[rS(ctx->opcode)]);
6058     /* Note: Rc update flag set leads to undefined state of Rc0 */
6059 #endif /* defined(CONFIG_USER_ONLY) */
6060 }
6061 
6062 /* mfdcrux (PPC 460) : user-mode access to DCR */
6063 static void gen_mfdcrux(DisasContext *ctx)
6064 {
6065     gen_helper_load_dcr(cpu_gpr[rD(ctx->opcode)], cpu_env,
6066                         cpu_gpr[rA(ctx->opcode)]);
6067     /* Note: Rc update flag set leads to undefined state of Rc0 */
6068 }
6069 
6070 /* mtdcrux (PPC 460) : user-mode access to DCR */
6071 static void gen_mtdcrux(DisasContext *ctx)
6072 {
6073     gen_helper_store_dcr(cpu_env, cpu_gpr[rA(ctx->opcode)],
6074                          cpu_gpr[rS(ctx->opcode)]);
6075     /* Note: Rc update flag set leads to undefined state of Rc0 */
6076 }
6077 
6078 /* dccci */
6079 static void gen_dccci(DisasContext *ctx)
6080 {
6081     CHK_SV;
6082     /* interpreted as no-op */
6083 }
6084 
6085 /* dcread */
6086 static void gen_dcread(DisasContext *ctx)
6087 {
6088 #if defined(CONFIG_USER_ONLY)
6089     GEN_PRIV;
6090 #else
6091     TCGv EA, val;
6092 
6093     CHK_SV;
6094     gen_set_access_type(ctx, ACCESS_CACHE);
6095     EA = tcg_temp_new();
6096     gen_addr_reg_index(ctx, EA);
6097     val = tcg_temp_new();
6098     gen_qemu_ld32u(ctx, val, EA);
6099     tcg_temp_free(val);
6100     tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], EA);
6101     tcg_temp_free(EA);
6102 #endif /* defined(CONFIG_USER_ONLY) */
6103 }
6104 
6105 /* icbt */
6106 static void gen_icbt_40x(DisasContext *ctx)
6107 {
6108     /* interpreted as no-op */
6109     /* XXX: specification say this is treated as a load by the MMU
6110      *      but does not generate any exception
6111      */
6112 }
6113 
6114 /* iccci */
6115 static void gen_iccci(DisasContext *ctx)
6116 {
6117     CHK_SV;
6118     /* interpreted as no-op */
6119 }
6120 
6121 /* icread */
6122 static void gen_icread(DisasContext *ctx)
6123 {
6124     CHK_SV;
6125     /* interpreted as no-op */
6126 }
6127 
6128 /* rfci (supervisor only) */
6129 static void gen_rfci_40x(DisasContext *ctx)
6130 {
6131 #if defined(CONFIG_USER_ONLY)
6132     GEN_PRIV;
6133 #else
6134     CHK_SV;
6135     /* Restore CPU state */
6136     gen_helper_40x_rfci(cpu_env);
6137     gen_sync_exception(ctx);
6138 #endif /* defined(CONFIG_USER_ONLY) */
6139 }
6140 
6141 static void gen_rfci(DisasContext *ctx)
6142 {
6143 #if defined(CONFIG_USER_ONLY)
6144     GEN_PRIV;
6145 #else
6146     CHK_SV;
6147     /* Restore CPU state */
6148     gen_helper_rfci(cpu_env);
6149     gen_sync_exception(ctx);
6150 #endif /* defined(CONFIG_USER_ONLY) */
6151 }
6152 
6153 /* BookE specific */
6154 
6155 /* XXX: not implemented on 440 ? */
6156 static void gen_rfdi(DisasContext *ctx)
6157 {
6158 #if defined(CONFIG_USER_ONLY)
6159     GEN_PRIV;
6160 #else
6161     CHK_SV;
6162     /* Restore CPU state */
6163     gen_helper_rfdi(cpu_env);
6164     gen_sync_exception(ctx);
6165 #endif /* defined(CONFIG_USER_ONLY) */
6166 }
6167 
6168 /* XXX: not implemented on 440 ? */
6169 static void gen_rfmci(DisasContext *ctx)
6170 {
6171 #if defined(CONFIG_USER_ONLY)
6172     GEN_PRIV;
6173 #else
6174     CHK_SV;
6175     /* Restore CPU state */
6176     gen_helper_rfmci(cpu_env);
6177     gen_sync_exception(ctx);
6178 #endif /* defined(CONFIG_USER_ONLY) */
6179 }
6180 
6181 /* TLB management - PowerPC 405 implementation */
6182 
6183 /* tlbre */
6184 static void gen_tlbre_40x(DisasContext *ctx)
6185 {
6186 #if defined(CONFIG_USER_ONLY)
6187     GEN_PRIV;
6188 #else
6189     CHK_SV;
6190     switch (rB(ctx->opcode)) {
6191     case 0:
6192         gen_helper_4xx_tlbre_hi(cpu_gpr[rD(ctx->opcode)], cpu_env,
6193                                 cpu_gpr[rA(ctx->opcode)]);
6194         break;
6195     case 1:
6196         gen_helper_4xx_tlbre_lo(cpu_gpr[rD(ctx->opcode)], cpu_env,
6197                                 cpu_gpr[rA(ctx->opcode)]);
6198         break;
6199     default:
6200         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
6201         break;
6202     }
6203 #endif /* defined(CONFIG_USER_ONLY) */
6204 }
6205 
6206 /* tlbsx - tlbsx. */
6207 static void gen_tlbsx_40x(DisasContext *ctx)
6208 {
6209 #if defined(CONFIG_USER_ONLY)
6210     GEN_PRIV;
6211 #else
6212     TCGv t0;
6213 
6214     CHK_SV;
6215     t0 = tcg_temp_new();
6216     gen_addr_reg_index(ctx, t0);
6217     gen_helper_4xx_tlbsx(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
6218     tcg_temp_free(t0);
6219     if (Rc(ctx->opcode)) {
6220         TCGLabel *l1 = gen_new_label();
6221         tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so);
6222         tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[rD(ctx->opcode)], -1, l1);
6223         tcg_gen_ori_i32(cpu_crf[0], cpu_crf[0], 0x02);
6224         gen_set_label(l1);
6225     }
6226 #endif /* defined(CONFIG_USER_ONLY) */
6227 }
6228 
6229 /* tlbwe */
6230 static void gen_tlbwe_40x(DisasContext *ctx)
6231 {
6232 #if defined(CONFIG_USER_ONLY)
6233     GEN_PRIV;
6234 #else
6235     CHK_SV;
6236 
6237     switch (rB(ctx->opcode)) {
6238     case 0:
6239         gen_helper_4xx_tlbwe_hi(cpu_env, cpu_gpr[rA(ctx->opcode)],
6240                                 cpu_gpr[rS(ctx->opcode)]);
6241         break;
6242     case 1:
6243         gen_helper_4xx_tlbwe_lo(cpu_env, cpu_gpr[rA(ctx->opcode)],
6244                                 cpu_gpr[rS(ctx->opcode)]);
6245         break;
6246     default:
6247         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
6248         break;
6249     }
6250 #endif /* defined(CONFIG_USER_ONLY) */
6251 }
6252 
6253 /* TLB management - PowerPC 440 implementation */
6254 
6255 /* tlbre */
6256 static void gen_tlbre_440(DisasContext *ctx)
6257 {
6258 #if defined(CONFIG_USER_ONLY)
6259     GEN_PRIV;
6260 #else
6261     CHK_SV;
6262 
6263     switch (rB(ctx->opcode)) {
6264     case 0:
6265     case 1:
6266     case 2:
6267         {
6268             TCGv_i32 t0 = tcg_const_i32(rB(ctx->opcode));
6269             gen_helper_440_tlbre(cpu_gpr[rD(ctx->opcode)], cpu_env,
6270                                  t0, cpu_gpr[rA(ctx->opcode)]);
6271             tcg_temp_free_i32(t0);
6272         }
6273         break;
6274     default:
6275         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
6276         break;
6277     }
6278 #endif /* defined(CONFIG_USER_ONLY) */
6279 }
6280 
6281 /* tlbsx - tlbsx. */
6282 static void gen_tlbsx_440(DisasContext *ctx)
6283 {
6284 #if defined(CONFIG_USER_ONLY)
6285     GEN_PRIV;
6286 #else
6287     TCGv t0;
6288 
6289     CHK_SV;
6290     t0 = tcg_temp_new();
6291     gen_addr_reg_index(ctx, t0);
6292     gen_helper_440_tlbsx(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
6293     tcg_temp_free(t0);
6294     if (Rc(ctx->opcode)) {
6295         TCGLabel *l1 = gen_new_label();
6296         tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so);
6297         tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[rD(ctx->opcode)], -1, l1);
6298         tcg_gen_ori_i32(cpu_crf[0], cpu_crf[0], 0x02);
6299         gen_set_label(l1);
6300     }
6301 #endif /* defined(CONFIG_USER_ONLY) */
6302 }
6303 
6304 /* tlbwe */
6305 static void gen_tlbwe_440(DisasContext *ctx)
6306 {
6307 #if defined(CONFIG_USER_ONLY)
6308     GEN_PRIV;
6309 #else
6310     CHK_SV;
6311     switch (rB(ctx->opcode)) {
6312     case 0:
6313     case 1:
6314     case 2:
6315         {
6316             TCGv_i32 t0 = tcg_const_i32(rB(ctx->opcode));
6317             gen_helper_440_tlbwe(cpu_env, t0, cpu_gpr[rA(ctx->opcode)],
6318                                  cpu_gpr[rS(ctx->opcode)]);
6319             tcg_temp_free_i32(t0);
6320         }
6321         break;
6322     default:
6323         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
6324         break;
6325     }
6326 #endif /* defined(CONFIG_USER_ONLY) */
6327 }
6328 
6329 /* TLB management - PowerPC BookE 2.06 implementation */
6330 
6331 /* tlbre */
6332 static void gen_tlbre_booke206(DisasContext *ctx)
6333 {
6334  #if defined(CONFIG_USER_ONLY)
6335     GEN_PRIV;
6336 #else
6337    CHK_SV;
6338     gen_helper_booke206_tlbre(cpu_env);
6339 #endif /* defined(CONFIG_USER_ONLY) */
6340 }
6341 
6342 /* tlbsx - tlbsx. */
6343 static void gen_tlbsx_booke206(DisasContext *ctx)
6344 {
6345 #if defined(CONFIG_USER_ONLY)
6346     GEN_PRIV;
6347 #else
6348     TCGv t0;
6349 
6350     CHK_SV;
6351     if (rA(ctx->opcode)) {
6352         t0 = tcg_temp_new();
6353         tcg_gen_mov_tl(t0, cpu_gpr[rD(ctx->opcode)]);
6354     } else {
6355         t0 = tcg_const_tl(0);
6356     }
6357 
6358     tcg_gen_add_tl(t0, t0, cpu_gpr[rB(ctx->opcode)]);
6359     gen_helper_booke206_tlbsx(cpu_env, t0);
6360     tcg_temp_free(t0);
6361 #endif /* defined(CONFIG_USER_ONLY) */
6362 }
6363 
6364 /* tlbwe */
6365 static void gen_tlbwe_booke206(DisasContext *ctx)
6366 {
6367 #if defined(CONFIG_USER_ONLY)
6368     GEN_PRIV;
6369 #else
6370     CHK_SV;
6371     gen_helper_booke206_tlbwe(cpu_env);
6372 #endif /* defined(CONFIG_USER_ONLY) */
6373 }
6374 
6375 static void gen_tlbivax_booke206(DisasContext *ctx)
6376 {
6377 #if defined(CONFIG_USER_ONLY)
6378     GEN_PRIV;
6379 #else
6380     TCGv t0;
6381 
6382     CHK_SV;
6383     t0 = tcg_temp_new();
6384     gen_addr_reg_index(ctx, t0);
6385     gen_helper_booke206_tlbivax(cpu_env, t0);
6386     tcg_temp_free(t0);
6387 #endif /* defined(CONFIG_USER_ONLY) */
6388 }
6389 
6390 static void gen_tlbilx_booke206(DisasContext *ctx)
6391 {
6392 #if defined(CONFIG_USER_ONLY)
6393     GEN_PRIV;
6394 #else
6395     TCGv t0;
6396 
6397     CHK_SV;
6398     t0 = tcg_temp_new();
6399     gen_addr_reg_index(ctx, t0);
6400 
6401     switch((ctx->opcode >> 21) & 0x3) {
6402     case 0:
6403         gen_helper_booke206_tlbilx0(cpu_env, t0);
6404         break;
6405     case 1:
6406         gen_helper_booke206_tlbilx1(cpu_env, t0);
6407         break;
6408     case 3:
6409         gen_helper_booke206_tlbilx3(cpu_env, t0);
6410         break;
6411     default:
6412         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
6413         break;
6414     }
6415 
6416     tcg_temp_free(t0);
6417 #endif /* defined(CONFIG_USER_ONLY) */
6418 }
6419 
6420 
6421 /* wrtee */
6422 static void gen_wrtee(DisasContext *ctx)
6423 {
6424 #if defined(CONFIG_USER_ONLY)
6425     GEN_PRIV;
6426 #else
6427     TCGv t0;
6428 
6429     CHK_SV;
6430     t0 = tcg_temp_new();
6431     tcg_gen_andi_tl(t0, cpu_gpr[rD(ctx->opcode)], (1 << MSR_EE));
6432     tcg_gen_andi_tl(cpu_msr, cpu_msr, ~(1 << MSR_EE));
6433     tcg_gen_or_tl(cpu_msr, cpu_msr, t0);
6434     tcg_temp_free(t0);
6435     /* Stop translation to have a chance to raise an exception
6436      * if we just set msr_ee to 1
6437      */
6438     gen_stop_exception(ctx);
6439 #endif /* defined(CONFIG_USER_ONLY) */
6440 }
6441 
6442 /* wrteei */
6443 static void gen_wrteei(DisasContext *ctx)
6444 {
6445 #if defined(CONFIG_USER_ONLY)
6446     GEN_PRIV;
6447 #else
6448     CHK_SV;
6449     if (ctx->opcode & 0x00008000) {
6450         tcg_gen_ori_tl(cpu_msr, cpu_msr, (1 << MSR_EE));
6451         /* Stop translation to have a chance to raise an exception */
6452         gen_stop_exception(ctx);
6453     } else {
6454         tcg_gen_andi_tl(cpu_msr, cpu_msr, ~(1 << MSR_EE));
6455     }
6456 #endif /* defined(CONFIG_USER_ONLY) */
6457 }
6458 
6459 /* PowerPC 440 specific instructions */
6460 
6461 /* dlmzb */
6462 static void gen_dlmzb(DisasContext *ctx)
6463 {
6464     TCGv_i32 t0 = tcg_const_i32(Rc(ctx->opcode));
6465     gen_helper_dlmzb(cpu_gpr[rA(ctx->opcode)], cpu_env,
6466                      cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], t0);
6467     tcg_temp_free_i32(t0);
6468 }
6469 
6470 /* mbar replaces eieio on 440 */
6471 static void gen_mbar(DisasContext *ctx)
6472 {
6473     /* interpreted as no-op */
6474 }
6475 
6476 /* msync replaces sync on 440 */
6477 static void gen_msync_4xx(DisasContext *ctx)
6478 {
6479     /* interpreted as no-op */
6480 }
6481 
6482 /* icbt */
6483 static void gen_icbt_440(DisasContext *ctx)
6484 {
6485     /* interpreted as no-op */
6486     /* XXX: specification say this is treated as a load by the MMU
6487      *      but does not generate any exception
6488      */
6489 }
6490 
6491 /* Embedded.Processor Control */
6492 
6493 static void gen_msgclr(DisasContext *ctx)
6494 {
6495 #if defined(CONFIG_USER_ONLY)
6496     GEN_PRIV;
6497 #else
6498     CHK_HV;
6499     /* 64-bit server processors compliant with arch 2.x */
6500     if (ctx->insns_flags & PPC_SEGMENT_64B) {
6501         gen_helper_book3s_msgclr(cpu_env, cpu_gpr[rB(ctx->opcode)]);
6502     } else {
6503         gen_helper_msgclr(cpu_env, cpu_gpr[rB(ctx->opcode)]);
6504     }
6505 #endif /* defined(CONFIG_USER_ONLY) */
6506 }
6507 
6508 static void gen_msgsnd(DisasContext *ctx)
6509 {
6510 #if defined(CONFIG_USER_ONLY)
6511     GEN_PRIV;
6512 #else
6513     CHK_HV;
6514     /* 64-bit server processors compliant with arch 2.x */
6515     if (ctx->insns_flags & PPC_SEGMENT_64B) {
6516         gen_helper_book3s_msgsnd(cpu_gpr[rB(ctx->opcode)]);
6517     } else {
6518         gen_helper_msgsnd(cpu_gpr[rB(ctx->opcode)]);
6519     }
6520 #endif /* defined(CONFIG_USER_ONLY) */
6521 }
6522 
6523 static void gen_msgsync(DisasContext *ctx)
6524 {
6525 #if defined(CONFIG_USER_ONLY)
6526     GEN_PRIV;
6527 #else
6528     CHK_HV;
6529 #endif /* defined(CONFIG_USER_ONLY) */
6530     /* interpreted as no-op */
6531 }
6532 
6533 #if defined(TARGET_PPC64)
6534 static void gen_maddld(DisasContext *ctx)
6535 {
6536     TCGv_i64 t1 = tcg_temp_new_i64();
6537 
6538     tcg_gen_mul_i64(t1, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
6539     tcg_gen_add_i64(cpu_gpr[rD(ctx->opcode)], t1, cpu_gpr[rC(ctx->opcode)]);
6540     tcg_temp_free_i64(t1);
6541 }
6542 
6543 /* maddhd maddhdu */
6544 static void gen_maddhd_maddhdu(DisasContext *ctx)
6545 {
6546     TCGv_i64 lo = tcg_temp_new_i64();
6547     TCGv_i64 hi = tcg_temp_new_i64();
6548     TCGv_i64 t1 = tcg_temp_new_i64();
6549 
6550     if (Rc(ctx->opcode)) {
6551         tcg_gen_mulu2_i64(lo, hi, cpu_gpr[rA(ctx->opcode)],
6552                           cpu_gpr[rB(ctx->opcode)]);
6553         tcg_gen_movi_i64(t1, 0);
6554     } else {
6555         tcg_gen_muls2_i64(lo, hi, cpu_gpr[rA(ctx->opcode)],
6556                           cpu_gpr[rB(ctx->opcode)]);
6557         tcg_gen_sari_i64(t1, cpu_gpr[rC(ctx->opcode)], 63);
6558     }
6559     tcg_gen_add2_i64(t1, cpu_gpr[rD(ctx->opcode)], lo, hi,
6560                      cpu_gpr[rC(ctx->opcode)], t1);
6561     tcg_temp_free_i64(lo);
6562     tcg_temp_free_i64(hi);
6563     tcg_temp_free_i64(t1);
6564 }
6565 #endif /* defined(TARGET_PPC64) */
6566 
6567 static void gen_tbegin(DisasContext *ctx)
6568 {
6569     if (unlikely(!ctx->tm_enabled)) {
6570         gen_exception_err(ctx, POWERPC_EXCP_FU, FSCR_IC_TM);
6571         return;
6572     }
6573     gen_helper_tbegin(cpu_env);
6574 }
6575 
6576 #define GEN_TM_NOOP(name)                                      \
6577 static inline void gen_##name(DisasContext *ctx)               \
6578 {                                                              \
6579     if (unlikely(!ctx->tm_enabled)) {                          \
6580         gen_exception_err(ctx, POWERPC_EXCP_FU, FSCR_IC_TM);   \
6581         return;                                                \
6582     }                                                          \
6583     /* Because tbegin always fails in QEMU, these user         \
6584      * space instructions all have a simple implementation:    \
6585      *                                                         \
6586      *     CR[0] = 0b0 || MSR[TS] || 0b0                       \
6587      *           = 0b0 || 0b00    || 0b0                       \
6588      */                                                        \
6589     tcg_gen_movi_i32(cpu_crf[0], 0);                           \
6590 }
6591 
6592 GEN_TM_NOOP(tend);
6593 GEN_TM_NOOP(tabort);
6594 GEN_TM_NOOP(tabortwc);
6595 GEN_TM_NOOP(tabortwci);
6596 GEN_TM_NOOP(tabortdc);
6597 GEN_TM_NOOP(tabortdci);
6598 GEN_TM_NOOP(tsr);
6599 static inline void gen_cp_abort(DisasContext *ctx)
6600 {
6601     // Do Nothing
6602 }
6603 
6604 #define GEN_CP_PASTE_NOOP(name)                           \
6605 static inline void gen_##name(DisasContext *ctx)          \
6606 {                                                         \
6607     /* Generate invalid exception until                   \
6608      * we have an implementation of the copy              \
6609      * paste facility                                     \
6610      */                                                   \
6611     gen_invalid(ctx);                                     \
6612 }
6613 
6614 GEN_CP_PASTE_NOOP(copy)
6615 GEN_CP_PASTE_NOOP(paste)
6616 
6617 static void gen_tcheck(DisasContext *ctx)
6618 {
6619     if (unlikely(!ctx->tm_enabled)) {
6620         gen_exception_err(ctx, POWERPC_EXCP_FU, FSCR_IC_TM);
6621         return;
6622     }
6623     /* Because tbegin always fails, the tcheck implementation
6624      * is simple:
6625      *
6626      * CR[CRF] = TDOOMED || MSR[TS] || 0b0
6627      *         = 0b1 || 0b00 || 0b0
6628      */
6629     tcg_gen_movi_i32(cpu_crf[crfD(ctx->opcode)], 0x8);
6630 }
6631 
6632 #if defined(CONFIG_USER_ONLY)
6633 #define GEN_TM_PRIV_NOOP(name)                                 \
6634 static inline void gen_##name(DisasContext *ctx)               \
6635 {                                                              \
6636     gen_priv_exception(ctx, POWERPC_EXCP_PRIV_OPC);           \
6637 }
6638 
6639 #else
6640 
6641 #define GEN_TM_PRIV_NOOP(name)                                 \
6642 static inline void gen_##name(DisasContext *ctx)               \
6643 {                                                              \
6644     CHK_SV;                                                    \
6645     if (unlikely(!ctx->tm_enabled)) {                          \
6646         gen_exception_err(ctx, POWERPC_EXCP_FU, FSCR_IC_TM);   \
6647         return;                                                \
6648     }                                                          \
6649     /* Because tbegin always fails, the implementation is      \
6650      * simple:                                                 \
6651      *                                                         \
6652      *   CR[0] = 0b0 || MSR[TS] || 0b0                         \
6653      *         = 0b0 || 0b00 | 0b0                             \
6654      */                                                        \
6655     tcg_gen_movi_i32(cpu_crf[0], 0);                           \
6656 }
6657 
6658 #endif
6659 
6660 GEN_TM_PRIV_NOOP(treclaim);
6661 GEN_TM_PRIV_NOOP(trechkpt);
6662 
6663 static inline void get_fpr(TCGv_i64 dst, int regno)
6664 {
6665     tcg_gen_ld_i64(dst, cpu_env, offsetof(CPUPPCState, vsr[regno].u64[0]));
6666 }
6667 
6668 static inline void set_fpr(int regno, TCGv_i64 src)
6669 {
6670     tcg_gen_st_i64(src, cpu_env, offsetof(CPUPPCState, vsr[regno].u64[0]));
6671 }
6672 
6673 static inline void get_avr64(TCGv_i64 dst, int regno, bool high)
6674 {
6675 #ifdef HOST_WORDS_BIGENDIAN
6676     tcg_gen_ld_i64(dst, cpu_env, offsetof(CPUPPCState,
6677                                           vsr[32 + regno].u64[(high ? 0 : 1)]));
6678 #else
6679     tcg_gen_ld_i64(dst, cpu_env, offsetof(CPUPPCState,
6680                                           vsr[32 + regno].u64[(high ? 1 : 0)]));
6681 #endif
6682 }
6683 
6684 static inline void set_avr64(int regno, TCGv_i64 src, bool high)
6685 {
6686 #ifdef HOST_WORDS_BIGENDIAN
6687     tcg_gen_st_i64(src, cpu_env, offsetof(CPUPPCState,
6688                                           vsr[32 + regno].u64[(high ? 0 : 1)]));
6689 #else
6690     tcg_gen_st_i64(src, cpu_env, offsetof(CPUPPCState,
6691                                           vsr[32 + regno].u64[(high ? 1 : 0)]));
6692 #endif
6693 }
6694 
6695 #include "translate/fp-impl.inc.c"
6696 
6697 #include "translate/vmx-impl.inc.c"
6698 
6699 #include "translate/vsx-impl.inc.c"
6700 
6701 #include "translate/dfp-impl.inc.c"
6702 
6703 #include "translate/spe-impl.inc.c"
6704 
6705 /* Handles lfdp, lxsd, lxssp */
6706 static void gen_dform39(DisasContext *ctx)
6707 {
6708     switch (ctx->opcode & 0x3) {
6709     case 0: /* lfdp */
6710         if (ctx->insns_flags2 & PPC2_ISA205) {
6711             return gen_lfdp(ctx);
6712         }
6713         break;
6714     case 2: /* lxsd */
6715         if (ctx->insns_flags2 & PPC2_ISA300) {
6716             return gen_lxsd(ctx);
6717         }
6718         break;
6719     case 3: /* lxssp */
6720         if (ctx->insns_flags2 & PPC2_ISA300) {
6721             return gen_lxssp(ctx);
6722         }
6723         break;
6724     }
6725     return gen_invalid(ctx);
6726 }
6727 
6728 /* handles stfdp, lxv, stxsd, stxssp lxvx */
6729 static void gen_dform3D(DisasContext *ctx)
6730 {
6731     if ((ctx->opcode & 3) == 1) { /* DQ-FORM */
6732         switch (ctx->opcode & 0x7) {
6733         case 1: /* lxv */
6734             if (ctx->insns_flags2 & PPC2_ISA300) {
6735                 return gen_lxv(ctx);
6736             }
6737             break;
6738         case 5: /* stxv */
6739             if (ctx->insns_flags2 & PPC2_ISA300) {
6740                 return gen_stxv(ctx);
6741             }
6742             break;
6743         }
6744     } else { /* DS-FORM */
6745         switch (ctx->opcode & 0x3) {
6746         case 0: /* stfdp */
6747             if (ctx->insns_flags2 & PPC2_ISA205) {
6748                 return gen_stfdp(ctx);
6749             }
6750             break;
6751         case 2: /* stxsd */
6752             if (ctx->insns_flags2 & PPC2_ISA300) {
6753                 return gen_stxsd(ctx);
6754             }
6755             break;
6756         case 3: /* stxssp */
6757             if (ctx->insns_flags2 & PPC2_ISA300) {
6758                 return gen_stxssp(ctx);
6759             }
6760             break;
6761         }
6762     }
6763     return gen_invalid(ctx);
6764 }
6765 
6766 static opcode_t opcodes[] = {
6767 GEN_HANDLER(invalid, 0x00, 0x00, 0x00, 0xFFFFFFFF, PPC_NONE),
6768 GEN_HANDLER(cmp, 0x1F, 0x00, 0x00, 0x00400000, PPC_INTEGER),
6769 GEN_HANDLER(cmpi, 0x0B, 0xFF, 0xFF, 0x00400000, PPC_INTEGER),
6770 GEN_HANDLER(cmpl, 0x1F, 0x00, 0x01, 0x00400001, PPC_INTEGER),
6771 GEN_HANDLER(cmpli, 0x0A, 0xFF, 0xFF, 0x00400000, PPC_INTEGER),
6772 #if defined(TARGET_PPC64)
6773 GEN_HANDLER_E(cmpeqb, 0x1F, 0x00, 0x07, 0x00600000, PPC_NONE, PPC2_ISA300),
6774 #endif
6775 GEN_HANDLER_E(cmpb, 0x1F, 0x1C, 0x0F, 0x00000001, PPC_NONE, PPC2_ISA205),
6776 GEN_HANDLER_E(cmprb, 0x1F, 0x00, 0x06, 0x00400001, PPC_NONE, PPC2_ISA300),
6777 GEN_HANDLER(isel, 0x1F, 0x0F, 0xFF, 0x00000001, PPC_ISEL),
6778 GEN_HANDLER(addi, 0x0E, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6779 GEN_HANDLER(addic, 0x0C, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6780 GEN_HANDLER2(addic_, "addic.", 0x0D, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6781 GEN_HANDLER(addis, 0x0F, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6782 GEN_HANDLER_E(addpcis, 0x13, 0x2, 0xFF, 0x00000000, PPC_NONE, PPC2_ISA300),
6783 GEN_HANDLER(mulhw, 0x1F, 0x0B, 0x02, 0x00000400, PPC_INTEGER),
6784 GEN_HANDLER(mulhwu, 0x1F, 0x0B, 0x00, 0x00000400, PPC_INTEGER),
6785 GEN_HANDLER(mullw, 0x1F, 0x0B, 0x07, 0x00000000, PPC_INTEGER),
6786 GEN_HANDLER(mullwo, 0x1F, 0x0B, 0x17, 0x00000000, PPC_INTEGER),
6787 GEN_HANDLER(mulli, 0x07, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6788 #if defined(TARGET_PPC64)
6789 GEN_HANDLER(mulld, 0x1F, 0x09, 0x07, 0x00000000, PPC_64B),
6790 #endif
6791 GEN_HANDLER(neg, 0x1F, 0x08, 0x03, 0x0000F800, PPC_INTEGER),
6792 GEN_HANDLER(nego, 0x1F, 0x08, 0x13, 0x0000F800, PPC_INTEGER),
6793 GEN_HANDLER(subfic, 0x08, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6794 GEN_HANDLER2(andi_, "andi.", 0x1C, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6795 GEN_HANDLER2(andis_, "andis.", 0x1D, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6796 GEN_HANDLER(cntlzw, 0x1F, 0x1A, 0x00, 0x00000000, PPC_INTEGER),
6797 GEN_HANDLER_E(cnttzw, 0x1F, 0x1A, 0x10, 0x00000000, PPC_NONE, PPC2_ISA300),
6798 GEN_HANDLER_E(copy, 0x1F, 0x06, 0x18, 0x03C00001, PPC_NONE, PPC2_ISA300),
6799 GEN_HANDLER_E(cp_abort, 0x1F, 0x06, 0x1A, 0x03FFF801, PPC_NONE, PPC2_ISA300),
6800 GEN_HANDLER_E(paste, 0x1F, 0x06, 0x1C, 0x03C00000, PPC_NONE, PPC2_ISA300),
6801 GEN_HANDLER(or, 0x1F, 0x1C, 0x0D, 0x00000000, PPC_INTEGER),
6802 GEN_HANDLER(xor, 0x1F, 0x1C, 0x09, 0x00000000, PPC_INTEGER),
6803 GEN_HANDLER(ori, 0x18, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6804 GEN_HANDLER(oris, 0x19, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6805 GEN_HANDLER(xori, 0x1A, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6806 GEN_HANDLER(xoris, 0x1B, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6807 GEN_HANDLER(popcntb, 0x1F, 0x1A, 0x03, 0x0000F801, PPC_POPCNTB),
6808 GEN_HANDLER(popcntw, 0x1F, 0x1A, 0x0b, 0x0000F801, PPC_POPCNTWD),
6809 GEN_HANDLER_E(prtyw, 0x1F, 0x1A, 0x04, 0x0000F801, PPC_NONE, PPC2_ISA205),
6810 #if defined(TARGET_PPC64)
6811 GEN_HANDLER(popcntd, 0x1F, 0x1A, 0x0F, 0x0000F801, PPC_POPCNTWD),
6812 GEN_HANDLER(cntlzd, 0x1F, 0x1A, 0x01, 0x00000000, PPC_64B),
6813 GEN_HANDLER_E(cnttzd, 0x1F, 0x1A, 0x11, 0x00000000, PPC_NONE, PPC2_ISA300),
6814 GEN_HANDLER_E(darn, 0x1F, 0x13, 0x17, 0x001CF801, PPC_NONE, PPC2_ISA300),
6815 GEN_HANDLER_E(prtyd, 0x1F, 0x1A, 0x05, 0x0000F801, PPC_NONE, PPC2_ISA205),
6816 GEN_HANDLER_E(bpermd, 0x1F, 0x1C, 0x07, 0x00000001, PPC_NONE, PPC2_PERM_ISA206),
6817 #endif
6818 GEN_HANDLER(rlwimi, 0x14, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6819 GEN_HANDLER(rlwinm, 0x15, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6820 GEN_HANDLER(rlwnm, 0x17, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6821 GEN_HANDLER(slw, 0x1F, 0x18, 0x00, 0x00000000, PPC_INTEGER),
6822 GEN_HANDLER(sraw, 0x1F, 0x18, 0x18, 0x00000000, PPC_INTEGER),
6823 GEN_HANDLER(srawi, 0x1F, 0x18, 0x19, 0x00000000, PPC_INTEGER),
6824 GEN_HANDLER(srw, 0x1F, 0x18, 0x10, 0x00000000, PPC_INTEGER),
6825 #if defined(TARGET_PPC64)
6826 GEN_HANDLER(sld, 0x1F, 0x1B, 0x00, 0x00000000, PPC_64B),
6827 GEN_HANDLER(srad, 0x1F, 0x1A, 0x18, 0x00000000, PPC_64B),
6828 GEN_HANDLER2(sradi0, "sradi", 0x1F, 0x1A, 0x19, 0x00000000, PPC_64B),
6829 GEN_HANDLER2(sradi1, "sradi", 0x1F, 0x1B, 0x19, 0x00000000, PPC_64B),
6830 GEN_HANDLER(srd, 0x1F, 0x1B, 0x10, 0x00000000, PPC_64B),
6831 GEN_HANDLER2_E(extswsli0, "extswsli", 0x1F, 0x1A, 0x1B, 0x00000000,
6832                PPC_NONE, PPC2_ISA300),
6833 GEN_HANDLER2_E(extswsli1, "extswsli", 0x1F, 0x1B, 0x1B, 0x00000000,
6834                PPC_NONE, PPC2_ISA300),
6835 #endif
6836 #if defined(TARGET_PPC64)
6837 GEN_HANDLER(ld, 0x3A, 0xFF, 0xFF, 0x00000000, PPC_64B),
6838 GEN_HANDLER(lq, 0x38, 0xFF, 0xFF, 0x00000000, PPC_64BX),
6839 GEN_HANDLER(std, 0x3E, 0xFF, 0xFF, 0x00000000, PPC_64B),
6840 #endif
6841 /* handles lfdp, lxsd, lxssp */
6842 GEN_HANDLER_E(dform39, 0x39, 0xFF, 0xFF, 0x00000000, PPC_NONE, PPC2_ISA205),
6843 /* handles stfdp, lxv, stxsd, stxssp, stxv */
6844 GEN_HANDLER_E(dform3D, 0x3D, 0xFF, 0xFF, 0x00000000, PPC_NONE, PPC2_ISA205),
6845 GEN_HANDLER(lmw, 0x2E, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6846 GEN_HANDLER(stmw, 0x2F, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6847 GEN_HANDLER(lswi, 0x1F, 0x15, 0x12, 0x00000001, PPC_STRING),
6848 GEN_HANDLER(lswx, 0x1F, 0x15, 0x10, 0x00000001, PPC_STRING),
6849 GEN_HANDLER(stswi, 0x1F, 0x15, 0x16, 0x00000001, PPC_STRING),
6850 GEN_HANDLER(stswx, 0x1F, 0x15, 0x14, 0x00000001, PPC_STRING),
6851 GEN_HANDLER(eieio, 0x1F, 0x16, 0x1A, 0x01FFF801, PPC_MEM_EIEIO),
6852 GEN_HANDLER(isync, 0x13, 0x16, 0x04, 0x03FFF801, PPC_MEM),
6853 GEN_HANDLER_E(lbarx, 0x1F, 0x14, 0x01, 0, PPC_NONE, PPC2_ATOMIC_ISA206),
6854 GEN_HANDLER_E(lharx, 0x1F, 0x14, 0x03, 0, PPC_NONE, PPC2_ATOMIC_ISA206),
6855 GEN_HANDLER(lwarx, 0x1F, 0x14, 0x00, 0x00000000, PPC_RES),
6856 GEN_HANDLER_E(lwat, 0x1F, 0x06, 0x12, 0x00000001, PPC_NONE, PPC2_ISA300),
6857 GEN_HANDLER_E(stwat, 0x1F, 0x06, 0x16, 0x00000001, PPC_NONE, PPC2_ISA300),
6858 GEN_HANDLER_E(stbcx_, 0x1F, 0x16, 0x15, 0, PPC_NONE, PPC2_ATOMIC_ISA206),
6859 GEN_HANDLER_E(sthcx_, 0x1F, 0x16, 0x16, 0, PPC_NONE, PPC2_ATOMIC_ISA206),
6860 GEN_HANDLER2(stwcx_, "stwcx.", 0x1F, 0x16, 0x04, 0x00000000, PPC_RES),
6861 #if defined(TARGET_PPC64)
6862 GEN_HANDLER_E(ldat, 0x1F, 0x06, 0x13, 0x00000001, PPC_NONE, PPC2_ISA300),
6863 GEN_HANDLER_E(stdat, 0x1F, 0x06, 0x17, 0x00000001, PPC_NONE, PPC2_ISA300),
6864 GEN_HANDLER(ldarx, 0x1F, 0x14, 0x02, 0x00000000, PPC_64B),
6865 GEN_HANDLER_E(lqarx, 0x1F, 0x14, 0x08, 0, PPC_NONE, PPC2_LSQ_ISA207),
6866 GEN_HANDLER2(stdcx_, "stdcx.", 0x1F, 0x16, 0x06, 0x00000000, PPC_64B),
6867 GEN_HANDLER_E(stqcx_, 0x1F, 0x16, 0x05, 0, PPC_NONE, PPC2_LSQ_ISA207),
6868 #endif
6869 GEN_HANDLER(sync, 0x1F, 0x16, 0x12, 0x039FF801, PPC_MEM_SYNC),
6870 GEN_HANDLER(wait, 0x1F, 0x1E, 0x01, 0x03FFF801, PPC_WAIT),
6871 GEN_HANDLER_E(wait, 0x1F, 0x1E, 0x00, 0x039FF801, PPC_NONE, PPC2_ISA300),
6872 GEN_HANDLER(b, 0x12, 0xFF, 0xFF, 0x00000000, PPC_FLOW),
6873 GEN_HANDLER(bc, 0x10, 0xFF, 0xFF, 0x00000000, PPC_FLOW),
6874 GEN_HANDLER(bcctr, 0x13, 0x10, 0x10, 0x00000000, PPC_FLOW),
6875 GEN_HANDLER(bclr, 0x13, 0x10, 0x00, 0x00000000, PPC_FLOW),
6876 GEN_HANDLER_E(bctar, 0x13, 0x10, 0x11, 0x0000E000, PPC_NONE, PPC2_BCTAR_ISA207),
6877 GEN_HANDLER(mcrf, 0x13, 0x00, 0xFF, 0x00000001, PPC_INTEGER),
6878 GEN_HANDLER(rfi, 0x13, 0x12, 0x01, 0x03FF8001, PPC_FLOW),
6879 #if defined(TARGET_PPC64)
6880 GEN_HANDLER(rfid, 0x13, 0x12, 0x00, 0x03FF8001, PPC_64B),
6881 GEN_HANDLER_E(stop, 0x13, 0x12, 0x0b, 0x03FFF801, PPC_NONE, PPC2_ISA300),
6882 GEN_HANDLER_E(doze, 0x13, 0x12, 0x0c, 0x03FFF801, PPC_NONE, PPC2_PM_ISA206),
6883 GEN_HANDLER_E(nap, 0x13, 0x12, 0x0d, 0x03FFF801, PPC_NONE, PPC2_PM_ISA206),
6884 GEN_HANDLER_E(sleep, 0x13, 0x12, 0x0e, 0x03FFF801, PPC_NONE, PPC2_PM_ISA206),
6885 GEN_HANDLER_E(rvwinkle, 0x13, 0x12, 0x0f, 0x03FFF801, PPC_NONE, PPC2_PM_ISA206),
6886 GEN_HANDLER(hrfid, 0x13, 0x12, 0x08, 0x03FF8001, PPC_64H),
6887 #endif
6888 GEN_HANDLER(sc, 0x11, 0xFF, 0xFF, 0x03FFF01D, PPC_FLOW),
6889 GEN_HANDLER(tw, 0x1F, 0x04, 0x00, 0x00000001, PPC_FLOW),
6890 GEN_HANDLER(twi, 0x03, 0xFF, 0xFF, 0x00000000, PPC_FLOW),
6891 #if defined(TARGET_PPC64)
6892 GEN_HANDLER(td, 0x1F, 0x04, 0x02, 0x00000001, PPC_64B),
6893 GEN_HANDLER(tdi, 0x02, 0xFF, 0xFF, 0x00000000, PPC_64B),
6894 #endif
6895 GEN_HANDLER(mcrxr, 0x1F, 0x00, 0x10, 0x007FF801, PPC_MISC),
6896 GEN_HANDLER(mfcr, 0x1F, 0x13, 0x00, 0x00000801, PPC_MISC),
6897 GEN_HANDLER(mfmsr, 0x1F, 0x13, 0x02, 0x001FF801, PPC_MISC),
6898 GEN_HANDLER(mfspr, 0x1F, 0x13, 0x0A, 0x00000001, PPC_MISC),
6899 GEN_HANDLER(mftb, 0x1F, 0x13, 0x0B, 0x00000001, PPC_MFTB),
6900 GEN_HANDLER(mtcrf, 0x1F, 0x10, 0x04, 0x00000801, PPC_MISC),
6901 #if defined(TARGET_PPC64)
6902 GEN_HANDLER(mtmsrd, 0x1F, 0x12, 0x05, 0x001EF801, PPC_64B),
6903 GEN_HANDLER_E(setb, 0x1F, 0x00, 0x04, 0x0003F801, PPC_NONE, PPC2_ISA300),
6904 GEN_HANDLER_E(mcrxrx, 0x1F, 0x00, 0x12, 0x007FF801, PPC_NONE, PPC2_ISA300),
6905 #endif
6906 GEN_HANDLER(mtmsr, 0x1F, 0x12, 0x04, 0x001EF801, PPC_MISC),
6907 GEN_HANDLER(mtspr, 0x1F, 0x13, 0x0E, 0x00000000, PPC_MISC),
6908 GEN_HANDLER(dcbf, 0x1F, 0x16, 0x02, 0x03C00001, PPC_CACHE),
6909 GEN_HANDLER_E(dcbfep, 0x1F, 0x1F, 0x03, 0x03C00001, PPC_NONE, PPC2_BOOKE206),
6910 GEN_HANDLER(dcbi, 0x1F, 0x16, 0x0E, 0x03E00001, PPC_CACHE),
6911 GEN_HANDLER(dcbst, 0x1F, 0x16, 0x01, 0x03E00001, PPC_CACHE),
6912 GEN_HANDLER_E(dcbstep, 0x1F, 0x1F, 0x01, 0x03E00001, PPC_NONE, PPC2_BOOKE206),
6913 GEN_HANDLER(dcbt, 0x1F, 0x16, 0x08, 0x00000001, PPC_CACHE),
6914 GEN_HANDLER_E(dcbtep, 0x1F, 0x1F, 0x09, 0x00000001, PPC_NONE, PPC2_BOOKE206),
6915 GEN_HANDLER(dcbtst, 0x1F, 0x16, 0x07, 0x00000001, PPC_CACHE),
6916 GEN_HANDLER_E(dcbtstep, 0x1F, 0x1F, 0x07, 0x00000001, PPC_NONE, PPC2_BOOKE206),
6917 GEN_HANDLER_E(dcbtls, 0x1F, 0x06, 0x05, 0x02000001, PPC_BOOKE, PPC2_BOOKE206),
6918 GEN_HANDLER(dcbz, 0x1F, 0x16, 0x1F, 0x03C00001, PPC_CACHE_DCBZ),
6919 GEN_HANDLER_E(dcbzep, 0x1F, 0x1F, 0x1F, 0x03C00001, PPC_NONE, PPC2_BOOKE206),
6920 GEN_HANDLER(dst, 0x1F, 0x16, 0x0A, 0x01800001, PPC_ALTIVEC),
6921 GEN_HANDLER(dstst, 0x1F, 0x16, 0x0B, 0x01800001, PPC_ALTIVEC),
6922 GEN_HANDLER(dss, 0x1F, 0x16, 0x19, 0x019FF801, PPC_ALTIVEC),
6923 GEN_HANDLER(icbi, 0x1F, 0x16, 0x1E, 0x03E00001, PPC_CACHE_ICBI),
6924 GEN_HANDLER_E(icbiep, 0x1F, 0x1F, 0x1E, 0x03E00001, PPC_NONE, PPC2_BOOKE206),
6925 GEN_HANDLER(dcba, 0x1F, 0x16, 0x17, 0x03E00001, PPC_CACHE_DCBA),
6926 GEN_HANDLER(mfsr, 0x1F, 0x13, 0x12, 0x0010F801, PPC_SEGMENT),
6927 GEN_HANDLER(mfsrin, 0x1F, 0x13, 0x14, 0x001F0001, PPC_SEGMENT),
6928 GEN_HANDLER(mtsr, 0x1F, 0x12, 0x06, 0x0010F801, PPC_SEGMENT),
6929 GEN_HANDLER(mtsrin, 0x1F, 0x12, 0x07, 0x001F0001, PPC_SEGMENT),
6930 #if defined(TARGET_PPC64)
6931 GEN_HANDLER2(mfsr_64b, "mfsr", 0x1F, 0x13, 0x12, 0x0010F801, PPC_SEGMENT_64B),
6932 GEN_HANDLER2(mfsrin_64b, "mfsrin", 0x1F, 0x13, 0x14, 0x001F0001,
6933              PPC_SEGMENT_64B),
6934 GEN_HANDLER2(mtsr_64b, "mtsr", 0x1F, 0x12, 0x06, 0x0010F801, PPC_SEGMENT_64B),
6935 GEN_HANDLER2(mtsrin_64b, "mtsrin", 0x1F, 0x12, 0x07, 0x001F0001,
6936              PPC_SEGMENT_64B),
6937 GEN_HANDLER2(slbmte, "slbmte", 0x1F, 0x12, 0x0C, 0x001F0001, PPC_SEGMENT_64B),
6938 GEN_HANDLER2(slbmfee, "slbmfee", 0x1F, 0x13, 0x1C, 0x001F0001, PPC_SEGMENT_64B),
6939 GEN_HANDLER2(slbmfev, "slbmfev", 0x1F, 0x13, 0x1A, 0x001F0001, PPC_SEGMENT_64B),
6940 GEN_HANDLER2(slbfee_, "slbfee.", 0x1F, 0x13, 0x1E, 0x001F0000, PPC_SEGMENT_64B),
6941 #endif
6942 GEN_HANDLER(tlbia, 0x1F, 0x12, 0x0B, 0x03FFFC01, PPC_MEM_TLBIA),
6943 /* XXX Those instructions will need to be handled differently for
6944  * different ISA versions */
6945 GEN_HANDLER(tlbiel, 0x1F, 0x12, 0x08, 0x001F0001, PPC_MEM_TLBIE),
6946 GEN_HANDLER(tlbie, 0x1F, 0x12, 0x09, 0x001F0001, PPC_MEM_TLBIE),
6947 GEN_HANDLER_E(tlbiel, 0x1F, 0x12, 0x08, 0x00100001, PPC_NONE, PPC2_ISA300),
6948 GEN_HANDLER_E(tlbie, 0x1F, 0x12, 0x09, 0x00100001, PPC_NONE, PPC2_ISA300),
6949 GEN_HANDLER(tlbsync, 0x1F, 0x16, 0x11, 0x03FFF801, PPC_MEM_TLBSYNC),
6950 #if defined(TARGET_PPC64)
6951 GEN_HANDLER(slbia, 0x1F, 0x12, 0x0F, 0x031FFC01, PPC_SLBI),
6952 GEN_HANDLER(slbie, 0x1F, 0x12, 0x0D, 0x03FF0001, PPC_SLBI),
6953 GEN_HANDLER_E(slbieg, 0x1F, 0x12, 0x0E, 0x001F0001, PPC_NONE, PPC2_ISA300),
6954 GEN_HANDLER_E(slbsync, 0x1F, 0x12, 0x0A, 0x03FFF801, PPC_NONE, PPC2_ISA300),
6955 #endif
6956 GEN_HANDLER(eciwx, 0x1F, 0x16, 0x0D, 0x00000001, PPC_EXTERN),
6957 GEN_HANDLER(ecowx, 0x1F, 0x16, 0x09, 0x00000001, PPC_EXTERN),
6958 GEN_HANDLER(abs, 0x1F, 0x08, 0x0B, 0x0000F800, PPC_POWER_BR),
6959 GEN_HANDLER(abso, 0x1F, 0x08, 0x1B, 0x0000F800, PPC_POWER_BR),
6960 GEN_HANDLER(clcs, 0x1F, 0x10, 0x13, 0x0000F800, PPC_POWER_BR),
6961 GEN_HANDLER(div, 0x1F, 0x0B, 0x0A, 0x00000000, PPC_POWER_BR),
6962 GEN_HANDLER(divo, 0x1F, 0x0B, 0x1A, 0x00000000, PPC_POWER_BR),
6963 GEN_HANDLER(divs, 0x1F, 0x0B, 0x0B, 0x00000000, PPC_POWER_BR),
6964 GEN_HANDLER(divso, 0x1F, 0x0B, 0x1B, 0x00000000, PPC_POWER_BR),
6965 GEN_HANDLER(doz, 0x1F, 0x08, 0x08, 0x00000000, PPC_POWER_BR),
6966 GEN_HANDLER(dozo, 0x1F, 0x08, 0x18, 0x00000000, PPC_POWER_BR),
6967 GEN_HANDLER(dozi, 0x09, 0xFF, 0xFF, 0x00000000, PPC_POWER_BR),
6968 GEN_HANDLER(lscbx, 0x1F, 0x15, 0x08, 0x00000000, PPC_POWER_BR),
6969 GEN_HANDLER(maskg, 0x1F, 0x1D, 0x00, 0x00000000, PPC_POWER_BR),
6970 GEN_HANDLER(maskir, 0x1F, 0x1D, 0x10, 0x00000000, PPC_POWER_BR),
6971 GEN_HANDLER(mul, 0x1F, 0x0B, 0x03, 0x00000000, PPC_POWER_BR),
6972 GEN_HANDLER(mulo, 0x1F, 0x0B, 0x13, 0x00000000, PPC_POWER_BR),
6973 GEN_HANDLER(nabs, 0x1F, 0x08, 0x0F, 0x00000000, PPC_POWER_BR),
6974 GEN_HANDLER(nabso, 0x1F, 0x08, 0x1F, 0x00000000, PPC_POWER_BR),
6975 GEN_HANDLER(rlmi, 0x16, 0xFF, 0xFF, 0x00000000, PPC_POWER_BR),
6976 GEN_HANDLER(rrib, 0x1F, 0x19, 0x10, 0x00000000, PPC_POWER_BR),
6977 GEN_HANDLER(sle, 0x1F, 0x19, 0x04, 0x00000000, PPC_POWER_BR),
6978 GEN_HANDLER(sleq, 0x1F, 0x19, 0x06, 0x00000000, PPC_POWER_BR),
6979 GEN_HANDLER(sliq, 0x1F, 0x18, 0x05, 0x00000000, PPC_POWER_BR),
6980 GEN_HANDLER(slliq, 0x1F, 0x18, 0x07, 0x00000000, PPC_POWER_BR),
6981 GEN_HANDLER(sllq, 0x1F, 0x18, 0x06, 0x00000000, PPC_POWER_BR),
6982 GEN_HANDLER(slq, 0x1F, 0x18, 0x04, 0x00000000, PPC_POWER_BR),
6983 GEN_HANDLER(sraiq, 0x1F, 0x18, 0x1D, 0x00000000, PPC_POWER_BR),
6984 GEN_HANDLER(sraq, 0x1F, 0x18, 0x1C, 0x00000000, PPC_POWER_BR),
6985 GEN_HANDLER(sre, 0x1F, 0x19, 0x14, 0x00000000, PPC_POWER_BR),
6986 GEN_HANDLER(srea, 0x1F, 0x19, 0x1C, 0x00000000, PPC_POWER_BR),
6987 GEN_HANDLER(sreq, 0x1F, 0x19, 0x16, 0x00000000, PPC_POWER_BR),
6988 GEN_HANDLER(sriq, 0x1F, 0x18, 0x15, 0x00000000, PPC_POWER_BR),
6989 GEN_HANDLER(srliq, 0x1F, 0x18, 0x17, 0x00000000, PPC_POWER_BR),
6990 GEN_HANDLER(srlq, 0x1F, 0x18, 0x16, 0x00000000, PPC_POWER_BR),
6991 GEN_HANDLER(srq, 0x1F, 0x18, 0x14, 0x00000000, PPC_POWER_BR),
6992 GEN_HANDLER(dsa, 0x1F, 0x14, 0x13, 0x03FFF801, PPC_602_SPEC),
6993 GEN_HANDLER(esa, 0x1F, 0x14, 0x12, 0x03FFF801, PPC_602_SPEC),
6994 GEN_HANDLER(mfrom, 0x1F, 0x09, 0x08, 0x03E0F801, PPC_602_SPEC),
6995 GEN_HANDLER2(tlbld_6xx, "tlbld", 0x1F, 0x12, 0x1E, 0x03FF0001, PPC_6xx_TLB),
6996 GEN_HANDLER2(tlbli_6xx, "tlbli", 0x1F, 0x12, 0x1F, 0x03FF0001, PPC_6xx_TLB),
6997 GEN_HANDLER2(tlbld_74xx, "tlbld", 0x1F, 0x12, 0x1E, 0x03FF0001, PPC_74xx_TLB),
6998 GEN_HANDLER2(tlbli_74xx, "tlbli", 0x1F, 0x12, 0x1F, 0x03FF0001, PPC_74xx_TLB),
6999 GEN_HANDLER(clf, 0x1F, 0x16, 0x03, 0x03E00000, PPC_POWER),
7000 GEN_HANDLER(cli, 0x1F, 0x16, 0x0F, 0x03E00000, PPC_POWER),
7001 GEN_HANDLER(dclst, 0x1F, 0x16, 0x13, 0x03E00000, PPC_POWER),
7002 GEN_HANDLER(mfsri, 0x1F, 0x13, 0x13, 0x00000001, PPC_POWER),
7003 GEN_HANDLER(rac, 0x1F, 0x12, 0x19, 0x00000001, PPC_POWER),
7004 GEN_HANDLER(rfsvc, 0x13, 0x12, 0x02, 0x03FFF0001, PPC_POWER),
7005 GEN_HANDLER(lfq, 0x38, 0xFF, 0xFF, 0x00000003, PPC_POWER2),
7006 GEN_HANDLER(lfqu, 0x39, 0xFF, 0xFF, 0x00000003, PPC_POWER2),
7007 GEN_HANDLER(lfqux, 0x1F, 0x17, 0x19, 0x00000001, PPC_POWER2),
7008 GEN_HANDLER(lfqx, 0x1F, 0x17, 0x18, 0x00000001, PPC_POWER2),
7009 GEN_HANDLER(stfq, 0x3C, 0xFF, 0xFF, 0x00000003, PPC_POWER2),
7010 GEN_HANDLER(stfqu, 0x3D, 0xFF, 0xFF, 0x00000003, PPC_POWER2),
7011 GEN_HANDLER(stfqux, 0x1F, 0x17, 0x1D, 0x00000001, PPC_POWER2),
7012 GEN_HANDLER(stfqx, 0x1F, 0x17, 0x1C, 0x00000001, PPC_POWER2),
7013 GEN_HANDLER(mfapidi, 0x1F, 0x13, 0x08, 0x0000F801, PPC_MFAPIDI),
7014 GEN_HANDLER(tlbiva, 0x1F, 0x12, 0x18, 0x03FFF801, PPC_TLBIVA),
7015 GEN_HANDLER(mfdcr, 0x1F, 0x03, 0x0A, 0x00000001, PPC_DCR),
7016 GEN_HANDLER(mtdcr, 0x1F, 0x03, 0x0E, 0x00000001, PPC_DCR),
7017 GEN_HANDLER(mfdcrx, 0x1F, 0x03, 0x08, 0x00000000, PPC_DCRX),
7018 GEN_HANDLER(mtdcrx, 0x1F, 0x03, 0x0C, 0x00000000, PPC_DCRX),
7019 GEN_HANDLER(mfdcrux, 0x1F, 0x03, 0x09, 0x00000000, PPC_DCRUX),
7020 GEN_HANDLER(mtdcrux, 0x1F, 0x03, 0x0D, 0x00000000, PPC_DCRUX),
7021 GEN_HANDLER(dccci, 0x1F, 0x06, 0x0E, 0x03E00001, PPC_4xx_COMMON),
7022 GEN_HANDLER(dcread, 0x1F, 0x06, 0x0F, 0x00000001, PPC_4xx_COMMON),
7023 GEN_HANDLER2(icbt_40x, "icbt", 0x1F, 0x06, 0x08, 0x03E00001, PPC_40x_ICBT),
7024 GEN_HANDLER(iccci, 0x1F, 0x06, 0x1E, 0x00000001, PPC_4xx_COMMON),
7025 GEN_HANDLER(icread, 0x1F, 0x06, 0x1F, 0x03E00001, PPC_4xx_COMMON),
7026 GEN_HANDLER2(rfci_40x, "rfci", 0x13, 0x13, 0x01, 0x03FF8001, PPC_40x_EXCP),
7027 GEN_HANDLER_E(rfci, 0x13, 0x13, 0x01, 0x03FF8001, PPC_BOOKE, PPC2_BOOKE206),
7028 GEN_HANDLER(rfdi, 0x13, 0x07, 0x01, 0x03FF8001, PPC_RFDI),
7029 GEN_HANDLER(rfmci, 0x13, 0x06, 0x01, 0x03FF8001, PPC_RFMCI),
7030 GEN_HANDLER2(tlbre_40x, "tlbre", 0x1F, 0x12, 0x1D, 0x00000001, PPC_40x_TLB),
7031 GEN_HANDLER2(tlbsx_40x, "tlbsx", 0x1F, 0x12, 0x1C, 0x00000000, PPC_40x_TLB),
7032 GEN_HANDLER2(tlbwe_40x, "tlbwe", 0x1F, 0x12, 0x1E, 0x00000001, PPC_40x_TLB),
7033 GEN_HANDLER2(tlbre_440, "tlbre", 0x1F, 0x12, 0x1D, 0x00000001, PPC_BOOKE),
7034 GEN_HANDLER2(tlbsx_440, "tlbsx", 0x1F, 0x12, 0x1C, 0x00000000, PPC_BOOKE),
7035 GEN_HANDLER2(tlbwe_440, "tlbwe", 0x1F, 0x12, 0x1E, 0x00000001, PPC_BOOKE),
7036 GEN_HANDLER2_E(tlbre_booke206, "tlbre", 0x1F, 0x12, 0x1D, 0x00000001,
7037                PPC_NONE, PPC2_BOOKE206),
7038 GEN_HANDLER2_E(tlbsx_booke206, "tlbsx", 0x1F, 0x12, 0x1C, 0x00000000,
7039                PPC_NONE, PPC2_BOOKE206),
7040 GEN_HANDLER2_E(tlbwe_booke206, "tlbwe", 0x1F, 0x12, 0x1E, 0x00000001,
7041                PPC_NONE, PPC2_BOOKE206),
7042 GEN_HANDLER2_E(tlbivax_booke206, "tlbivax", 0x1F, 0x12, 0x18, 0x00000001,
7043                PPC_NONE, PPC2_BOOKE206),
7044 GEN_HANDLER2_E(tlbilx_booke206, "tlbilx", 0x1F, 0x12, 0x00, 0x03800001,
7045                PPC_NONE, PPC2_BOOKE206),
7046 GEN_HANDLER2_E(msgsnd, "msgsnd", 0x1F, 0x0E, 0x06, 0x03ff0001,
7047                PPC_NONE, PPC2_PRCNTL),
7048 GEN_HANDLER2_E(msgclr, "msgclr", 0x1F, 0x0E, 0x07, 0x03ff0001,
7049                PPC_NONE, PPC2_PRCNTL),
7050 GEN_HANDLER2_E(msgsync, "msgsync", 0x1F, 0x16, 0x1B, 0x00000000,
7051                PPC_NONE, PPC2_PRCNTL),
7052 GEN_HANDLER(wrtee, 0x1F, 0x03, 0x04, 0x000FFC01, PPC_WRTEE),
7053 GEN_HANDLER(wrteei, 0x1F, 0x03, 0x05, 0x000E7C01, PPC_WRTEE),
7054 GEN_HANDLER(dlmzb, 0x1F, 0x0E, 0x02, 0x00000000, PPC_440_SPEC),
7055 GEN_HANDLER_E(mbar, 0x1F, 0x16, 0x1a, 0x001FF801,
7056               PPC_BOOKE, PPC2_BOOKE206),
7057 GEN_HANDLER(msync_4xx, 0x1F, 0x16, 0x12, 0x03FFF801, PPC_BOOKE),
7058 GEN_HANDLER2_E(icbt_440, "icbt", 0x1F, 0x16, 0x00, 0x03E00001,
7059                PPC_BOOKE, PPC2_BOOKE206),
7060 GEN_HANDLER2(icbt_440, "icbt", 0x1F, 0x06, 0x08, 0x03E00001,
7061                PPC_440_SPEC),
7062 GEN_HANDLER(lvsl, 0x1f, 0x06, 0x00, 0x00000001, PPC_ALTIVEC),
7063 GEN_HANDLER(lvsr, 0x1f, 0x06, 0x01, 0x00000001, PPC_ALTIVEC),
7064 GEN_HANDLER(mfvscr, 0x04, 0x2, 0x18, 0x001ff800, PPC_ALTIVEC),
7065 GEN_HANDLER(mtvscr, 0x04, 0x2, 0x19, 0x03ff0000, PPC_ALTIVEC),
7066 GEN_HANDLER(vmladduhm, 0x04, 0x11, 0xFF, 0x00000000, PPC_ALTIVEC),
7067 #if defined(TARGET_PPC64)
7068 GEN_HANDLER_E(maddhd_maddhdu, 0x04, 0x18, 0xFF, 0x00000000, PPC_NONE,
7069               PPC2_ISA300),
7070 GEN_HANDLER_E(maddld, 0x04, 0x19, 0xFF, 0x00000000, PPC_NONE, PPC2_ISA300),
7071 #endif
7072 
7073 #undef GEN_INT_ARITH_ADD
7074 #undef GEN_INT_ARITH_ADD_CONST
7075 #define GEN_INT_ARITH_ADD(name, opc3, add_ca, compute_ca, compute_ov)         \
7076 GEN_HANDLER(name, 0x1F, 0x0A, opc3, 0x00000000, PPC_INTEGER),
7077 #define GEN_INT_ARITH_ADD_CONST(name, opc3, const_val,                        \
7078                                 add_ca, compute_ca, compute_ov)               \
7079 GEN_HANDLER(name, 0x1F, 0x0A, opc3, 0x0000F800, PPC_INTEGER),
7080 GEN_INT_ARITH_ADD(add, 0x08, 0, 0, 0)
7081 GEN_INT_ARITH_ADD(addo, 0x18, 0, 0, 1)
7082 GEN_INT_ARITH_ADD(addc, 0x00, 0, 1, 0)
7083 GEN_INT_ARITH_ADD(addco, 0x10, 0, 1, 1)
7084 GEN_INT_ARITH_ADD(adde, 0x04, 1, 1, 0)
7085 GEN_INT_ARITH_ADD(addeo, 0x14, 1, 1, 1)
7086 GEN_INT_ARITH_ADD_CONST(addme, 0x07, -1LL, 1, 1, 0)
7087 GEN_INT_ARITH_ADD_CONST(addmeo, 0x17, -1LL, 1, 1, 1)
7088 GEN_HANDLER_E(addex, 0x1F, 0x0A, 0x05, 0x00000000, PPC_NONE, PPC2_ISA300),
7089 GEN_INT_ARITH_ADD_CONST(addze, 0x06, 0, 1, 1, 0)
7090 GEN_INT_ARITH_ADD_CONST(addzeo, 0x16, 0, 1, 1, 1)
7091 
7092 #undef GEN_INT_ARITH_DIVW
7093 #define GEN_INT_ARITH_DIVW(name, opc3, sign, compute_ov)                      \
7094 GEN_HANDLER(name, 0x1F, 0x0B, opc3, 0x00000000, PPC_INTEGER)
7095 GEN_INT_ARITH_DIVW(divwu, 0x0E, 0, 0),
7096 GEN_INT_ARITH_DIVW(divwuo, 0x1E, 0, 1),
7097 GEN_INT_ARITH_DIVW(divw, 0x0F, 1, 0),
7098 GEN_INT_ARITH_DIVW(divwo, 0x1F, 1, 1),
7099 GEN_HANDLER_E(divwe, 0x1F, 0x0B, 0x0D, 0, PPC_NONE, PPC2_DIVE_ISA206),
7100 GEN_HANDLER_E(divweo, 0x1F, 0x0B, 0x1D, 0, PPC_NONE, PPC2_DIVE_ISA206),
7101 GEN_HANDLER_E(divweu, 0x1F, 0x0B, 0x0C, 0, PPC_NONE, PPC2_DIVE_ISA206),
7102 GEN_HANDLER_E(divweuo, 0x1F, 0x0B, 0x1C, 0, PPC_NONE, PPC2_DIVE_ISA206),
7103 GEN_HANDLER_E(modsw, 0x1F, 0x0B, 0x18, 0x00000001, PPC_NONE, PPC2_ISA300),
7104 GEN_HANDLER_E(moduw, 0x1F, 0x0B, 0x08, 0x00000001, PPC_NONE, PPC2_ISA300),
7105 
7106 #if defined(TARGET_PPC64)
7107 #undef GEN_INT_ARITH_DIVD
7108 #define GEN_INT_ARITH_DIVD(name, opc3, sign, compute_ov)                      \
7109 GEN_HANDLER(name, 0x1F, 0x09, opc3, 0x00000000, PPC_64B)
7110 GEN_INT_ARITH_DIVD(divdu, 0x0E, 0, 0),
7111 GEN_INT_ARITH_DIVD(divduo, 0x1E, 0, 1),
7112 GEN_INT_ARITH_DIVD(divd, 0x0F, 1, 0),
7113 GEN_INT_ARITH_DIVD(divdo, 0x1F, 1, 1),
7114 
7115 GEN_HANDLER_E(divdeu, 0x1F, 0x09, 0x0C, 0, PPC_NONE, PPC2_DIVE_ISA206),
7116 GEN_HANDLER_E(divdeuo, 0x1F, 0x09, 0x1C, 0, PPC_NONE, PPC2_DIVE_ISA206),
7117 GEN_HANDLER_E(divde, 0x1F, 0x09, 0x0D, 0, PPC_NONE, PPC2_DIVE_ISA206),
7118 GEN_HANDLER_E(divdeo, 0x1F, 0x09, 0x1D, 0, PPC_NONE, PPC2_DIVE_ISA206),
7119 GEN_HANDLER_E(modsd, 0x1F, 0x09, 0x18, 0x00000001, PPC_NONE, PPC2_ISA300),
7120 GEN_HANDLER_E(modud, 0x1F, 0x09, 0x08, 0x00000001, PPC_NONE, PPC2_ISA300),
7121 
7122 #undef GEN_INT_ARITH_MUL_HELPER
7123 #define GEN_INT_ARITH_MUL_HELPER(name, opc3)                                  \
7124 GEN_HANDLER(name, 0x1F, 0x09, opc3, 0x00000000, PPC_64B)
7125 GEN_INT_ARITH_MUL_HELPER(mulhdu, 0x00),
7126 GEN_INT_ARITH_MUL_HELPER(mulhd, 0x02),
7127 GEN_INT_ARITH_MUL_HELPER(mulldo, 0x17),
7128 #endif
7129 
7130 #undef GEN_INT_ARITH_SUBF
7131 #undef GEN_INT_ARITH_SUBF_CONST
7132 #define GEN_INT_ARITH_SUBF(name, opc3, add_ca, compute_ca, compute_ov)        \
7133 GEN_HANDLER(name, 0x1F, 0x08, opc3, 0x00000000, PPC_INTEGER),
7134 #define GEN_INT_ARITH_SUBF_CONST(name, opc3, const_val,                       \
7135                                 add_ca, compute_ca, compute_ov)               \
7136 GEN_HANDLER(name, 0x1F, 0x08, opc3, 0x0000F800, PPC_INTEGER),
7137 GEN_INT_ARITH_SUBF(subf, 0x01, 0, 0, 0)
7138 GEN_INT_ARITH_SUBF(subfo, 0x11, 0, 0, 1)
7139 GEN_INT_ARITH_SUBF(subfc, 0x00, 0, 1, 0)
7140 GEN_INT_ARITH_SUBF(subfco, 0x10, 0, 1, 1)
7141 GEN_INT_ARITH_SUBF(subfe, 0x04, 1, 1, 0)
7142 GEN_INT_ARITH_SUBF(subfeo, 0x14, 1, 1, 1)
7143 GEN_INT_ARITH_SUBF_CONST(subfme, 0x07, -1LL, 1, 1, 0)
7144 GEN_INT_ARITH_SUBF_CONST(subfmeo, 0x17, -1LL, 1, 1, 1)
7145 GEN_INT_ARITH_SUBF_CONST(subfze, 0x06, 0, 1, 1, 0)
7146 GEN_INT_ARITH_SUBF_CONST(subfzeo, 0x16, 0, 1, 1, 1)
7147 
7148 #undef GEN_LOGICAL1
7149 #undef GEN_LOGICAL2
7150 #define GEN_LOGICAL2(name, tcg_op, opc, type)                                 \
7151 GEN_HANDLER(name, 0x1F, 0x1C, opc, 0x00000000, type)
7152 #define GEN_LOGICAL1(name, tcg_op, opc, type)                                 \
7153 GEN_HANDLER(name, 0x1F, 0x1A, opc, 0x00000000, type)
7154 GEN_LOGICAL2(and, tcg_gen_and_tl, 0x00, PPC_INTEGER),
7155 GEN_LOGICAL2(andc, tcg_gen_andc_tl, 0x01, PPC_INTEGER),
7156 GEN_LOGICAL2(eqv, tcg_gen_eqv_tl, 0x08, PPC_INTEGER),
7157 GEN_LOGICAL1(extsb, tcg_gen_ext8s_tl, 0x1D, PPC_INTEGER),
7158 GEN_LOGICAL1(extsh, tcg_gen_ext16s_tl, 0x1C, PPC_INTEGER),
7159 GEN_LOGICAL2(nand, tcg_gen_nand_tl, 0x0E, PPC_INTEGER),
7160 GEN_LOGICAL2(nor, tcg_gen_nor_tl, 0x03, PPC_INTEGER),
7161 GEN_LOGICAL2(orc, tcg_gen_orc_tl, 0x0C, PPC_INTEGER),
7162 #if defined(TARGET_PPC64)
7163 GEN_LOGICAL1(extsw, tcg_gen_ext32s_tl, 0x1E, PPC_64B),
7164 #endif
7165 
7166 #if defined(TARGET_PPC64)
7167 #undef GEN_PPC64_R2
7168 #undef GEN_PPC64_R4
7169 #define GEN_PPC64_R2(name, opc1, opc2)                                        \
7170 GEN_HANDLER2(name##0, stringify(name), opc1, opc2, 0xFF, 0x00000000, PPC_64B),\
7171 GEN_HANDLER2(name##1, stringify(name), opc1, opc2 | 0x10, 0xFF, 0x00000000,   \
7172              PPC_64B)
7173 #define GEN_PPC64_R4(name, opc1, opc2)                                        \
7174 GEN_HANDLER2(name##0, stringify(name), opc1, opc2, 0xFF, 0x00000000, PPC_64B),\
7175 GEN_HANDLER2(name##1, stringify(name), opc1, opc2 | 0x01, 0xFF, 0x00000000,   \
7176              PPC_64B),                                                        \
7177 GEN_HANDLER2(name##2, stringify(name), opc1, opc2 | 0x10, 0xFF, 0x00000000,   \
7178              PPC_64B),                                                        \
7179 GEN_HANDLER2(name##3, stringify(name), opc1, opc2 | 0x11, 0xFF, 0x00000000,   \
7180              PPC_64B)
7181 GEN_PPC64_R4(rldicl, 0x1E, 0x00),
7182 GEN_PPC64_R4(rldicr, 0x1E, 0x02),
7183 GEN_PPC64_R4(rldic, 0x1E, 0x04),
7184 GEN_PPC64_R2(rldcl, 0x1E, 0x08),
7185 GEN_PPC64_R2(rldcr, 0x1E, 0x09),
7186 GEN_PPC64_R4(rldimi, 0x1E, 0x06),
7187 #endif
7188 
7189 #undef GEN_LD
7190 #undef GEN_LDU
7191 #undef GEN_LDUX
7192 #undef GEN_LDX_E
7193 #undef GEN_LDS
7194 #define GEN_LD(name, ldop, opc, type)                                         \
7195 GEN_HANDLER(name, opc, 0xFF, 0xFF, 0x00000000, type),
7196 #define GEN_LDU(name, ldop, opc, type)                                        \
7197 GEN_HANDLER(name##u, opc, 0xFF, 0xFF, 0x00000000, type),
7198 #define GEN_LDUX(name, ldop, opc2, opc3, type)                                \
7199 GEN_HANDLER(name##ux, 0x1F, opc2, opc3, 0x00000001, type),
7200 #define GEN_LDX_E(name, ldop, opc2, opc3, type, type2, chk)                   \
7201 GEN_HANDLER_E(name##x, 0x1F, opc2, opc3, 0x00000001, type, type2),
7202 #define GEN_LDS(name, ldop, op, type)                                         \
7203 GEN_LD(name, ldop, op | 0x20, type)                                           \
7204 GEN_LDU(name, ldop, op | 0x21, type)                                          \
7205 GEN_LDUX(name, ldop, 0x17, op | 0x01, type)                                   \
7206 GEN_LDX(name, ldop, 0x17, op | 0x00, type)
7207 
7208 GEN_LDS(lbz, ld8u, 0x02, PPC_INTEGER)
7209 GEN_LDS(lha, ld16s, 0x0A, PPC_INTEGER)
7210 GEN_LDS(lhz, ld16u, 0x08, PPC_INTEGER)
7211 GEN_LDS(lwz, ld32u, 0x00, PPC_INTEGER)
7212 #if defined(TARGET_PPC64)
7213 GEN_LDUX(lwa, ld32s, 0x15, 0x0B, PPC_64B)
7214 GEN_LDX(lwa, ld32s, 0x15, 0x0A, PPC_64B)
7215 GEN_LDUX(ld, ld64_i64, 0x15, 0x01, PPC_64B)
7216 GEN_LDX(ld, ld64_i64, 0x15, 0x00, PPC_64B)
7217 GEN_LDX_E(ldbr, ld64ur_i64, 0x14, 0x10, PPC_NONE, PPC2_DBRX, CHK_NONE)
7218 
7219 /* HV/P7 and later only */
7220 GEN_LDX_HVRM(ldcix, ld64_i64, 0x15, 0x1b, PPC_CILDST)
7221 GEN_LDX_HVRM(lwzcix, ld32u, 0x15, 0x18, PPC_CILDST)
7222 GEN_LDX_HVRM(lhzcix, ld16u, 0x15, 0x19, PPC_CILDST)
7223 GEN_LDX_HVRM(lbzcix, ld8u, 0x15, 0x1a, PPC_CILDST)
7224 #endif
7225 GEN_LDX(lhbr, ld16ur, 0x16, 0x18, PPC_INTEGER)
7226 GEN_LDX(lwbr, ld32ur, 0x16, 0x10, PPC_INTEGER)
7227 
7228 /* External PID based load */
7229 #undef GEN_LDEPX
7230 #define GEN_LDEPX(name, ldop, opc2, opc3)                                     \
7231 GEN_HANDLER_E(name##epx, 0x1F, opc2, opc3,                                    \
7232               0x00000001, PPC_NONE, PPC2_BOOKE206),
7233 
7234 GEN_LDEPX(lb, DEF_MEMOP(MO_UB), 0x1F, 0x02)
7235 GEN_LDEPX(lh, DEF_MEMOP(MO_UW), 0x1F, 0x08)
7236 GEN_LDEPX(lw, DEF_MEMOP(MO_UL), 0x1F, 0x00)
7237 #if defined(TARGET_PPC64)
7238 GEN_LDEPX(ld, DEF_MEMOP(MO_Q), 0x1D, 0x00)
7239 #endif
7240 
7241 #undef GEN_ST
7242 #undef GEN_STU
7243 #undef GEN_STUX
7244 #undef GEN_STX_E
7245 #undef GEN_STS
7246 #define GEN_ST(name, stop, opc, type)                                         \
7247 GEN_HANDLER(name, opc, 0xFF, 0xFF, 0x00000000, type),
7248 #define GEN_STU(name, stop, opc, type)                                        \
7249 GEN_HANDLER(stop##u, opc, 0xFF, 0xFF, 0x00000000, type),
7250 #define GEN_STUX(name, stop, opc2, opc3, type)                                \
7251 GEN_HANDLER(name##ux, 0x1F, opc2, opc3, 0x00000001, type),
7252 #define GEN_STX_E(name, stop, opc2, opc3, type, type2, chk)                   \
7253 GEN_HANDLER_E(name##x, 0x1F, opc2, opc3, 0x00000000, type, type2),
7254 #define GEN_STS(name, stop, op, type)                                         \
7255 GEN_ST(name, stop, op | 0x20, type)                                           \
7256 GEN_STU(name, stop, op | 0x21, type)                                          \
7257 GEN_STUX(name, stop, 0x17, op | 0x01, type)                                   \
7258 GEN_STX(name, stop, 0x17, op | 0x00, type)
7259 
7260 GEN_STS(stb, st8, 0x06, PPC_INTEGER)
7261 GEN_STS(sth, st16, 0x0C, PPC_INTEGER)
7262 GEN_STS(stw, st32, 0x04, PPC_INTEGER)
7263 #if defined(TARGET_PPC64)
7264 GEN_STUX(std, st64_i64, 0x15, 0x05, PPC_64B)
7265 GEN_STX(std, st64_i64, 0x15, 0x04, PPC_64B)
7266 GEN_STX_E(stdbr, st64r_i64, 0x14, 0x14, PPC_NONE, PPC2_DBRX, CHK_NONE)
7267 GEN_STX_HVRM(stdcix, st64_i64, 0x15, 0x1f, PPC_CILDST)
7268 GEN_STX_HVRM(stwcix, st32, 0x15, 0x1c, PPC_CILDST)
7269 GEN_STX_HVRM(sthcix, st16, 0x15, 0x1d, PPC_CILDST)
7270 GEN_STX_HVRM(stbcix, st8, 0x15, 0x1e, PPC_CILDST)
7271 #endif
7272 GEN_STX(sthbr, st16r, 0x16, 0x1C, PPC_INTEGER)
7273 GEN_STX(stwbr, st32r, 0x16, 0x14, PPC_INTEGER)
7274 
7275 #undef GEN_STEPX
7276 #define GEN_STEPX(name, ldop, opc2, opc3)                                     \
7277 GEN_HANDLER_E(name##epx, 0x1F, opc2, opc3,                                    \
7278               0x00000001, PPC_NONE, PPC2_BOOKE206),
7279 
7280 GEN_STEPX(stb, DEF_MEMOP(MO_UB), 0x1F, 0x06)
7281 GEN_STEPX(sth, DEF_MEMOP(MO_UW), 0x1F, 0x0C)
7282 GEN_STEPX(stw, DEF_MEMOP(MO_UL), 0x1F, 0x04)
7283 #if defined(TARGET_PPC64)
7284 GEN_STEPX(std, DEF_MEMOP(MO_Q), 0x1D, 0x04)
7285 #endif
7286 
7287 #undef GEN_CRLOGIC
7288 #define GEN_CRLOGIC(name, tcg_op, opc)                                        \
7289 GEN_HANDLER(name, 0x13, 0x01, opc, 0x00000001, PPC_INTEGER)
7290 GEN_CRLOGIC(crand, tcg_gen_and_i32, 0x08),
7291 GEN_CRLOGIC(crandc, tcg_gen_andc_i32, 0x04),
7292 GEN_CRLOGIC(creqv, tcg_gen_eqv_i32, 0x09),
7293 GEN_CRLOGIC(crnand, tcg_gen_nand_i32, 0x07),
7294 GEN_CRLOGIC(crnor, tcg_gen_nor_i32, 0x01),
7295 GEN_CRLOGIC(cror, tcg_gen_or_i32, 0x0E),
7296 GEN_CRLOGIC(crorc, tcg_gen_orc_i32, 0x0D),
7297 GEN_CRLOGIC(crxor, tcg_gen_xor_i32, 0x06),
7298 
7299 #undef GEN_MAC_HANDLER
7300 #define GEN_MAC_HANDLER(name, opc2, opc3)                                     \
7301 GEN_HANDLER(name, 0x04, opc2, opc3, 0x00000000, PPC_405_MAC)
7302 GEN_MAC_HANDLER(macchw, 0x0C, 0x05),
7303 GEN_MAC_HANDLER(macchwo, 0x0C, 0x15),
7304 GEN_MAC_HANDLER(macchws, 0x0C, 0x07),
7305 GEN_MAC_HANDLER(macchwso, 0x0C, 0x17),
7306 GEN_MAC_HANDLER(macchwsu, 0x0C, 0x06),
7307 GEN_MAC_HANDLER(macchwsuo, 0x0C, 0x16),
7308 GEN_MAC_HANDLER(macchwu, 0x0C, 0x04),
7309 GEN_MAC_HANDLER(macchwuo, 0x0C, 0x14),
7310 GEN_MAC_HANDLER(machhw, 0x0C, 0x01),
7311 GEN_MAC_HANDLER(machhwo, 0x0C, 0x11),
7312 GEN_MAC_HANDLER(machhws, 0x0C, 0x03),
7313 GEN_MAC_HANDLER(machhwso, 0x0C, 0x13),
7314 GEN_MAC_HANDLER(machhwsu, 0x0C, 0x02),
7315 GEN_MAC_HANDLER(machhwsuo, 0x0C, 0x12),
7316 GEN_MAC_HANDLER(machhwu, 0x0C, 0x00),
7317 GEN_MAC_HANDLER(machhwuo, 0x0C, 0x10),
7318 GEN_MAC_HANDLER(maclhw, 0x0C, 0x0D),
7319 GEN_MAC_HANDLER(maclhwo, 0x0C, 0x1D),
7320 GEN_MAC_HANDLER(maclhws, 0x0C, 0x0F),
7321 GEN_MAC_HANDLER(maclhwso, 0x0C, 0x1F),
7322 GEN_MAC_HANDLER(maclhwu, 0x0C, 0x0C),
7323 GEN_MAC_HANDLER(maclhwuo, 0x0C, 0x1C),
7324 GEN_MAC_HANDLER(maclhwsu, 0x0C, 0x0E),
7325 GEN_MAC_HANDLER(maclhwsuo, 0x0C, 0x1E),
7326 GEN_MAC_HANDLER(nmacchw, 0x0E, 0x05),
7327 GEN_MAC_HANDLER(nmacchwo, 0x0E, 0x15),
7328 GEN_MAC_HANDLER(nmacchws, 0x0E, 0x07),
7329 GEN_MAC_HANDLER(nmacchwso, 0x0E, 0x17),
7330 GEN_MAC_HANDLER(nmachhw, 0x0E, 0x01),
7331 GEN_MAC_HANDLER(nmachhwo, 0x0E, 0x11),
7332 GEN_MAC_HANDLER(nmachhws, 0x0E, 0x03),
7333 GEN_MAC_HANDLER(nmachhwso, 0x0E, 0x13),
7334 GEN_MAC_HANDLER(nmaclhw, 0x0E, 0x0D),
7335 GEN_MAC_HANDLER(nmaclhwo, 0x0E, 0x1D),
7336 GEN_MAC_HANDLER(nmaclhws, 0x0E, 0x0F),
7337 GEN_MAC_HANDLER(nmaclhwso, 0x0E, 0x1F),
7338 GEN_MAC_HANDLER(mulchw, 0x08, 0x05),
7339 GEN_MAC_HANDLER(mulchwu, 0x08, 0x04),
7340 GEN_MAC_HANDLER(mulhhw, 0x08, 0x01),
7341 GEN_MAC_HANDLER(mulhhwu, 0x08, 0x00),
7342 GEN_MAC_HANDLER(mullhw, 0x08, 0x0D),
7343 GEN_MAC_HANDLER(mullhwu, 0x08, 0x0C),
7344 
7345 GEN_HANDLER2_E(tbegin, "tbegin", 0x1F, 0x0E, 0x14, 0x01DFF800, \
7346                PPC_NONE, PPC2_TM),
7347 GEN_HANDLER2_E(tend,   "tend",   0x1F, 0x0E, 0x15, 0x01FFF800, \
7348                PPC_NONE, PPC2_TM),
7349 GEN_HANDLER2_E(tabort, "tabort", 0x1F, 0x0E, 0x1C, 0x03E0F800, \
7350                PPC_NONE, PPC2_TM),
7351 GEN_HANDLER2_E(tabortwc, "tabortwc", 0x1F, 0x0E, 0x18, 0x00000000, \
7352                PPC_NONE, PPC2_TM),
7353 GEN_HANDLER2_E(tabortwci, "tabortwci", 0x1F, 0x0E, 0x1A, 0x00000000, \
7354                PPC_NONE, PPC2_TM),
7355 GEN_HANDLER2_E(tabortdc, "tabortdc", 0x1F, 0x0E, 0x19, 0x00000000, \
7356                PPC_NONE, PPC2_TM),
7357 GEN_HANDLER2_E(tabortdci, "tabortdci", 0x1F, 0x0E, 0x1B, 0x00000000, \
7358                PPC_NONE, PPC2_TM),
7359 GEN_HANDLER2_E(tsr, "tsr", 0x1F, 0x0E, 0x17, 0x03DFF800, \
7360                PPC_NONE, PPC2_TM),
7361 GEN_HANDLER2_E(tcheck, "tcheck", 0x1F, 0x0E, 0x16, 0x007FF800, \
7362                PPC_NONE, PPC2_TM),
7363 GEN_HANDLER2_E(treclaim, "treclaim", 0x1F, 0x0E, 0x1D, 0x03E0F800, \
7364                PPC_NONE, PPC2_TM),
7365 GEN_HANDLER2_E(trechkpt, "trechkpt", 0x1F, 0x0E, 0x1F, 0x03FFF800, \
7366                PPC_NONE, PPC2_TM),
7367 
7368 #include "translate/fp-ops.inc.c"
7369 
7370 #include "translate/vmx-ops.inc.c"
7371 
7372 #include "translate/vsx-ops.inc.c"
7373 
7374 #include "translate/dfp-ops.inc.c"
7375 
7376 #include "translate/spe-ops.inc.c"
7377 };
7378 
7379 #include "helper_regs.h"
7380 #include "translate_init.inc.c"
7381 
7382 /*****************************************************************************/
7383 /* Misc PowerPC helpers */
7384 void ppc_cpu_dump_state(CPUState *cs, FILE *f, fprintf_function cpu_fprintf,
7385                         int flags)
7386 {
7387 #define RGPL  4
7388 #define RFPL  4
7389 
7390     PowerPCCPU *cpu = POWERPC_CPU(cs);
7391     CPUPPCState *env = &cpu->env;
7392     int i;
7393 
7394     cpu_fprintf(f, "NIP " TARGET_FMT_lx "   LR " TARGET_FMT_lx " CTR "
7395                 TARGET_FMT_lx " XER " TARGET_FMT_lx " CPU#%d\n",
7396                 env->nip, env->lr, env->ctr, cpu_read_xer(env),
7397                 cs->cpu_index);
7398     cpu_fprintf(f, "MSR " TARGET_FMT_lx " HID0 " TARGET_FMT_lx "  HF "
7399                 TARGET_FMT_lx " iidx %d didx %d\n",
7400                 env->msr, env->spr[SPR_HID0],
7401                 env->hflags, env->immu_idx, env->dmmu_idx);
7402 #if !defined(NO_TIMER_DUMP)
7403     cpu_fprintf(f, "TB %08" PRIu32 " %08" PRIu64
7404 #if !defined(CONFIG_USER_ONLY)
7405                 " DECR %08" PRIu32
7406 #endif
7407                 "\n",
7408                 cpu_ppc_load_tbu(env), cpu_ppc_load_tbl(env)
7409 #if !defined(CONFIG_USER_ONLY)
7410                 , cpu_ppc_load_decr(env)
7411 #endif
7412                 );
7413 #endif
7414     for (i = 0; i < 32; i++) {
7415         if ((i & (RGPL - 1)) == 0)
7416             cpu_fprintf(f, "GPR%02d", i);
7417         cpu_fprintf(f, " %016" PRIx64, ppc_dump_gpr(env, i));
7418         if ((i & (RGPL - 1)) == (RGPL - 1))
7419             cpu_fprintf(f, "\n");
7420     }
7421     cpu_fprintf(f, "CR ");
7422     for (i = 0; i < 8; i++)
7423         cpu_fprintf(f, "%01x", env->crf[i]);
7424     cpu_fprintf(f, "  [");
7425     for (i = 0; i < 8; i++) {
7426         char a = '-';
7427         if (env->crf[i] & 0x08)
7428             a = 'L';
7429         else if (env->crf[i] & 0x04)
7430             a = 'G';
7431         else if (env->crf[i] & 0x02)
7432             a = 'E';
7433         cpu_fprintf(f, " %c%c", a, env->crf[i] & 0x01 ? 'O' : ' ');
7434     }
7435     cpu_fprintf(f, " ]             RES " TARGET_FMT_lx "\n",
7436                 env->reserve_addr);
7437 
7438     if (flags & CPU_DUMP_FPU) {
7439         for (i = 0; i < 32; i++) {
7440             if ((i & (RFPL - 1)) == 0) {
7441                 cpu_fprintf(f, "FPR%02d", i);
7442             }
7443             cpu_fprintf(f, " %016" PRIx64, *cpu_fpr_ptr(env, i));
7444             if ((i & (RFPL - 1)) == (RFPL - 1)) {
7445                 cpu_fprintf(f, "\n");
7446             }
7447         }
7448         cpu_fprintf(f, "FPSCR " TARGET_FMT_lx "\n", env->fpscr);
7449     }
7450 
7451 #if !defined(CONFIG_USER_ONLY)
7452     cpu_fprintf(f, " SRR0 " TARGET_FMT_lx "  SRR1 " TARGET_FMT_lx
7453                    "    PVR " TARGET_FMT_lx " VRSAVE " TARGET_FMT_lx "\n",
7454                 env->spr[SPR_SRR0], env->spr[SPR_SRR1],
7455                 env->spr[SPR_PVR], env->spr[SPR_VRSAVE]);
7456 
7457     cpu_fprintf(f, "SPRG0 " TARGET_FMT_lx " SPRG1 " TARGET_FMT_lx
7458                    "  SPRG2 " TARGET_FMT_lx "  SPRG3 " TARGET_FMT_lx "\n",
7459                 env->spr[SPR_SPRG0], env->spr[SPR_SPRG1],
7460                 env->spr[SPR_SPRG2], env->spr[SPR_SPRG3]);
7461 
7462     cpu_fprintf(f, "SPRG4 " TARGET_FMT_lx " SPRG5 " TARGET_FMT_lx
7463                    "  SPRG6 " TARGET_FMT_lx "  SPRG7 " TARGET_FMT_lx "\n",
7464                 env->spr[SPR_SPRG4], env->spr[SPR_SPRG5],
7465                 env->spr[SPR_SPRG6], env->spr[SPR_SPRG7]);
7466 
7467 #if defined(TARGET_PPC64)
7468     if (env->excp_model == POWERPC_EXCP_POWER7 ||
7469         env->excp_model == POWERPC_EXCP_POWER8) {
7470         cpu_fprintf(f, "HSRR0 " TARGET_FMT_lx " HSRR1 " TARGET_FMT_lx "\n",
7471                     env->spr[SPR_HSRR0], env->spr[SPR_HSRR1]);
7472     }
7473 #endif
7474     if (env->excp_model == POWERPC_EXCP_BOOKE) {
7475         cpu_fprintf(f, "CSRR0 " TARGET_FMT_lx " CSRR1 " TARGET_FMT_lx
7476                        " MCSRR0 " TARGET_FMT_lx " MCSRR1 " TARGET_FMT_lx "\n",
7477                     env->spr[SPR_BOOKE_CSRR0], env->spr[SPR_BOOKE_CSRR1],
7478                     env->spr[SPR_BOOKE_MCSRR0], env->spr[SPR_BOOKE_MCSRR1]);
7479 
7480         cpu_fprintf(f, "  TCR " TARGET_FMT_lx "   TSR " TARGET_FMT_lx
7481                        "    ESR " TARGET_FMT_lx "   DEAR " TARGET_FMT_lx "\n",
7482                     env->spr[SPR_BOOKE_TCR], env->spr[SPR_BOOKE_TSR],
7483                     env->spr[SPR_BOOKE_ESR], env->spr[SPR_BOOKE_DEAR]);
7484 
7485         cpu_fprintf(f, "  PIR " TARGET_FMT_lx " DECAR " TARGET_FMT_lx
7486                        "   IVPR " TARGET_FMT_lx "   EPCR " TARGET_FMT_lx "\n",
7487                     env->spr[SPR_BOOKE_PIR], env->spr[SPR_BOOKE_DECAR],
7488                     env->spr[SPR_BOOKE_IVPR], env->spr[SPR_BOOKE_EPCR]);
7489 
7490         cpu_fprintf(f, " MCSR " TARGET_FMT_lx " SPRG8 " TARGET_FMT_lx
7491                        "    EPR " TARGET_FMT_lx "\n",
7492                     env->spr[SPR_BOOKE_MCSR], env->spr[SPR_BOOKE_SPRG8],
7493                     env->spr[SPR_BOOKE_EPR]);
7494 
7495         /* FSL-specific */
7496         cpu_fprintf(f, " MCAR " TARGET_FMT_lx "  PID1 " TARGET_FMT_lx
7497                        "   PID2 " TARGET_FMT_lx "    SVR " TARGET_FMT_lx "\n",
7498                     env->spr[SPR_Exxx_MCAR], env->spr[SPR_BOOKE_PID1],
7499                     env->spr[SPR_BOOKE_PID2], env->spr[SPR_E500_SVR]);
7500 
7501         /*
7502          * IVORs are left out as they are large and do not change often --
7503          * they can be read with "p $ivor0", "p $ivor1", etc.
7504          */
7505     }
7506 
7507 #if defined(TARGET_PPC64)
7508     if (env->flags & POWERPC_FLAG_CFAR) {
7509         cpu_fprintf(f, " CFAR " TARGET_FMT_lx"\n", env->cfar);
7510     }
7511 #endif
7512 
7513     if (env->spr_cb[SPR_LPCR].name)
7514         cpu_fprintf(f, " LPCR " TARGET_FMT_lx "\n", env->spr[SPR_LPCR]);
7515 
7516     switch (env->mmu_model) {
7517     case POWERPC_MMU_32B:
7518     case POWERPC_MMU_601:
7519     case POWERPC_MMU_SOFT_6xx:
7520     case POWERPC_MMU_SOFT_74xx:
7521 #if defined(TARGET_PPC64)
7522     case POWERPC_MMU_64B:
7523     case POWERPC_MMU_2_03:
7524     case POWERPC_MMU_2_06:
7525     case POWERPC_MMU_2_07:
7526     case POWERPC_MMU_3_00:
7527 #endif
7528         if (env->spr_cb[SPR_SDR1].name) { /* SDR1 Exists */
7529             cpu_fprintf(f, " SDR1 " TARGET_FMT_lx " ", env->spr[SPR_SDR1]);
7530         }
7531         if (env->spr_cb[SPR_PTCR].name) { /* PTCR Exists */
7532             cpu_fprintf(f, " PTCR " TARGET_FMT_lx " ", env->spr[SPR_PTCR]);
7533         }
7534         cpu_fprintf(f, "  DAR " TARGET_FMT_lx "  DSISR " TARGET_FMT_lx "\n",
7535                     env->spr[SPR_DAR], env->spr[SPR_DSISR]);
7536         break;
7537     case POWERPC_MMU_BOOKE206:
7538         cpu_fprintf(f, " MAS0 " TARGET_FMT_lx "  MAS1 " TARGET_FMT_lx
7539                        "   MAS2 " TARGET_FMT_lx "   MAS3 " TARGET_FMT_lx "\n",
7540                     env->spr[SPR_BOOKE_MAS0], env->spr[SPR_BOOKE_MAS1],
7541                     env->spr[SPR_BOOKE_MAS2], env->spr[SPR_BOOKE_MAS3]);
7542 
7543         cpu_fprintf(f, " MAS4 " TARGET_FMT_lx "  MAS6 " TARGET_FMT_lx
7544                        "   MAS7 " TARGET_FMT_lx "    PID " TARGET_FMT_lx "\n",
7545                     env->spr[SPR_BOOKE_MAS4], env->spr[SPR_BOOKE_MAS6],
7546                     env->spr[SPR_BOOKE_MAS7], env->spr[SPR_BOOKE_PID]);
7547 
7548         cpu_fprintf(f, "MMUCFG " TARGET_FMT_lx " TLB0CFG " TARGET_FMT_lx
7549                        " TLB1CFG " TARGET_FMT_lx "\n",
7550                     env->spr[SPR_MMUCFG], env->spr[SPR_BOOKE_TLB0CFG],
7551                     env->spr[SPR_BOOKE_TLB1CFG]);
7552         break;
7553     default:
7554         break;
7555     }
7556 #endif
7557 
7558 #undef RGPL
7559 #undef RFPL
7560 }
7561 
7562 void ppc_cpu_dump_statistics(CPUState *cs, FILE*f,
7563                              fprintf_function cpu_fprintf, int flags)
7564 {
7565 #if defined(DO_PPC_STATISTICS)
7566     PowerPCCPU *cpu = POWERPC_CPU(cs);
7567     opc_handler_t **t1, **t2, **t3, *handler;
7568     int op1, op2, op3;
7569 
7570     t1 = cpu->env.opcodes;
7571     for (op1 = 0; op1 < 64; op1++) {
7572         handler = t1[op1];
7573         if (is_indirect_opcode(handler)) {
7574             t2 = ind_table(handler);
7575             for (op2 = 0; op2 < 32; op2++) {
7576                 handler = t2[op2];
7577                 if (is_indirect_opcode(handler)) {
7578                     t3 = ind_table(handler);
7579                     for (op3 = 0; op3 < 32; op3++) {
7580                         handler = t3[op3];
7581                         if (handler->count == 0)
7582                             continue;
7583                         cpu_fprintf(f, "%02x %02x %02x (%02x %04d) %16s: "
7584                                     "%016" PRIx64 " %" PRId64 "\n",
7585                                     op1, op2, op3, op1, (op3 << 5) | op2,
7586                                     handler->oname,
7587                                     handler->count, handler->count);
7588                     }
7589                 } else {
7590                     if (handler->count == 0)
7591                         continue;
7592                     cpu_fprintf(f, "%02x %02x    (%02x %04d) %16s: "
7593                                 "%016" PRIx64 " %" PRId64 "\n",
7594                                 op1, op2, op1, op2, handler->oname,
7595                                 handler->count, handler->count);
7596                 }
7597             }
7598         } else {
7599             if (handler->count == 0)
7600                 continue;
7601             cpu_fprintf(f, "%02x       (%02x     ) %16s: %016" PRIx64
7602                         " %" PRId64 "\n",
7603                         op1, op1, handler->oname,
7604                         handler->count, handler->count);
7605         }
7606     }
7607 #endif
7608 }
7609 
7610 static void ppc_tr_init_disas_context(DisasContextBase *dcbase, CPUState *cs)
7611 {
7612     DisasContext *ctx = container_of(dcbase, DisasContext, base);
7613     CPUPPCState *env = cs->env_ptr;
7614     int bound;
7615 
7616     ctx->exception = POWERPC_EXCP_NONE;
7617     ctx->spr_cb = env->spr_cb;
7618     ctx->pr = msr_pr;
7619     ctx->mem_idx = env->dmmu_idx;
7620     ctx->dr = msr_dr;
7621 #if !defined(CONFIG_USER_ONLY)
7622     ctx->hv = msr_hv || !env->has_hv_mode;
7623 #endif
7624     ctx->insns_flags = env->insns_flags;
7625     ctx->insns_flags2 = env->insns_flags2;
7626     ctx->access_type = -1;
7627     ctx->need_access_type = !(env->mmu_model & POWERPC_MMU_64B);
7628     ctx->le_mode = !!(env->hflags & (1 << MSR_LE));
7629     ctx->default_tcg_memop_mask = ctx->le_mode ? MO_LE : MO_BE;
7630     ctx->flags = env->flags;
7631 #if defined(TARGET_PPC64)
7632     ctx->sf_mode = msr_is_64bit(env, env->msr);
7633     ctx->has_cfar = !!(env->flags & POWERPC_FLAG_CFAR);
7634 #endif
7635     ctx->lazy_tlb_flush = env->mmu_model == POWERPC_MMU_32B
7636         || env->mmu_model == POWERPC_MMU_601
7637         || (env->mmu_model & POWERPC_MMU_64B);
7638 
7639     ctx->fpu_enabled = !!msr_fp;
7640     if ((env->flags & POWERPC_FLAG_SPE) && msr_spe)
7641         ctx->spe_enabled = !!msr_spe;
7642     else
7643         ctx->spe_enabled = false;
7644     if ((env->flags & POWERPC_FLAG_VRE) && msr_vr)
7645         ctx->altivec_enabled = !!msr_vr;
7646     else
7647         ctx->altivec_enabled = false;
7648     if ((env->flags & POWERPC_FLAG_VSX) && msr_vsx) {
7649         ctx->vsx_enabled = !!msr_vsx;
7650     } else {
7651         ctx->vsx_enabled = false;
7652     }
7653 #if defined(TARGET_PPC64)
7654     if ((env->flags & POWERPC_FLAG_TM) && msr_tm) {
7655         ctx->tm_enabled = !!msr_tm;
7656     } else {
7657         ctx->tm_enabled = false;
7658     }
7659 #endif
7660     ctx->gtse = !!(env->spr[SPR_LPCR] & LPCR_GTSE);
7661     if ((env->flags & POWERPC_FLAG_SE) && msr_se)
7662         ctx->singlestep_enabled = CPU_SINGLE_STEP;
7663     else
7664         ctx->singlestep_enabled = 0;
7665     if ((env->flags & POWERPC_FLAG_BE) && msr_be)
7666         ctx->singlestep_enabled |= CPU_BRANCH_STEP;
7667     if ((env->flags & POWERPC_FLAG_DE) && msr_de) {
7668         ctx->singlestep_enabled = 0;
7669         target_ulong dbcr0 = env->spr[SPR_BOOKE_DBCR0];
7670         if (dbcr0 & DBCR0_ICMP) {
7671             ctx->singlestep_enabled |= CPU_SINGLE_STEP;
7672         }
7673         if (dbcr0 & DBCR0_BRT) {
7674             ctx->singlestep_enabled |= CPU_BRANCH_STEP;
7675         }
7676 
7677     }
7678     if (unlikely(ctx->base.singlestep_enabled)) {
7679         ctx->singlestep_enabled |= GDBSTUB_SINGLE_STEP;
7680     }
7681 #if defined (DO_SINGLE_STEP) && 0
7682     /* Single step trace mode */
7683     msr_se = 1;
7684 #endif
7685 
7686     bound = -(ctx->base.pc_first | TARGET_PAGE_MASK) / 4;
7687     ctx->base.max_insns = MIN(ctx->base.max_insns, bound);
7688 }
7689 
7690 static void ppc_tr_tb_start(DisasContextBase *db, CPUState *cs)
7691 {
7692 }
7693 
7694 static void ppc_tr_insn_start(DisasContextBase *dcbase, CPUState *cs)
7695 {
7696     tcg_gen_insn_start(dcbase->pc_next);
7697 }
7698 
7699 static bool ppc_tr_breakpoint_check(DisasContextBase *dcbase, CPUState *cs,
7700                                     const CPUBreakpoint *bp)
7701 {
7702     DisasContext *ctx = container_of(dcbase, DisasContext, base);
7703 
7704     gen_debug_exception(ctx);
7705     dcbase->is_jmp = DISAS_NORETURN;
7706     /* The address covered by the breakpoint must be included in
7707        [tb->pc, tb->pc + tb->size) in order to for it to be
7708        properly cleared -- thus we increment the PC here so that
7709        the logic setting tb->size below does the right thing.  */
7710     ctx->base.pc_next += 4;
7711     return true;
7712 }
7713 
7714 static void ppc_tr_translate_insn(DisasContextBase *dcbase, CPUState *cs)
7715 {
7716     DisasContext *ctx = container_of(dcbase, DisasContext, base);
7717     CPUPPCState *env = cs->env_ptr;
7718     opc_handler_t **table, *handler;
7719 
7720     LOG_DISAS("----------------\n");
7721     LOG_DISAS("nip=" TARGET_FMT_lx " super=%d ir=%d\n",
7722               ctx->base.pc_next, ctx->mem_idx, (int)msr_ir);
7723 
7724     if (unlikely(need_byteswap(ctx))) {
7725         ctx->opcode = bswap32(cpu_ldl_code(env, ctx->base.pc_next));
7726     } else {
7727         ctx->opcode = cpu_ldl_code(env, ctx->base.pc_next);
7728     }
7729     LOG_DISAS("translate opcode %08x (%02x %02x %02x %02x) (%s)\n",
7730               ctx->opcode, opc1(ctx->opcode), opc2(ctx->opcode),
7731               opc3(ctx->opcode), opc4(ctx->opcode),
7732               ctx->le_mode ? "little" : "big");
7733     ctx->base.pc_next += 4;
7734     table = env->opcodes;
7735     handler = table[opc1(ctx->opcode)];
7736     if (is_indirect_opcode(handler)) {
7737         table = ind_table(handler);
7738         handler = table[opc2(ctx->opcode)];
7739         if (is_indirect_opcode(handler)) {
7740             table = ind_table(handler);
7741             handler = table[opc3(ctx->opcode)];
7742             if (is_indirect_opcode(handler)) {
7743                 table = ind_table(handler);
7744                 handler = table[opc4(ctx->opcode)];
7745             }
7746         }
7747     }
7748     /* Is opcode *REALLY* valid ? */
7749     if (unlikely(handler->handler == &gen_invalid)) {
7750         qemu_log_mask(LOG_GUEST_ERROR, "invalid/unsupported opcode: "
7751                       "%02x - %02x - %02x - %02x (%08x) "
7752                       TARGET_FMT_lx " %d\n",
7753                       opc1(ctx->opcode), opc2(ctx->opcode),
7754                       opc3(ctx->opcode), opc4(ctx->opcode),
7755                       ctx->opcode, ctx->base.pc_next - 4, (int)msr_ir);
7756     } else {
7757         uint32_t inval;
7758 
7759         if (unlikely(handler->type & (PPC_SPE | PPC_SPE_SINGLE | PPC_SPE_DOUBLE)
7760                      && Rc(ctx->opcode))) {
7761             inval = handler->inval2;
7762         } else {
7763             inval = handler->inval1;
7764         }
7765 
7766         if (unlikely((ctx->opcode & inval) != 0)) {
7767             qemu_log_mask(LOG_GUEST_ERROR, "invalid bits: %08x for opcode: "
7768                           "%02x - %02x - %02x - %02x (%08x) "
7769                           TARGET_FMT_lx "\n", ctx->opcode & inval,
7770                           opc1(ctx->opcode), opc2(ctx->opcode),
7771                           opc3(ctx->opcode), opc4(ctx->opcode),
7772                           ctx->opcode, ctx->base.pc_next - 4);
7773             gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
7774             ctx->base.is_jmp = DISAS_NORETURN;
7775             return;
7776         }
7777     }
7778     (*(handler->handler))(ctx);
7779 #if defined(DO_PPC_STATISTICS)
7780     handler->count++;
7781 #endif
7782     /* Check trace mode exceptions */
7783     if (unlikely(ctx->singlestep_enabled & CPU_SINGLE_STEP &&
7784                  (ctx->base.pc_next <= 0x100 || ctx->base.pc_next > 0xF00) &&
7785                  ctx->exception != POWERPC_SYSCALL &&
7786                  ctx->exception != POWERPC_EXCP_TRAP &&
7787                  ctx->exception != POWERPC_EXCP_BRANCH)) {
7788         uint32_t excp = gen_prep_dbgex(ctx, POWERPC_EXCP_TRACE);
7789         if (excp != POWERPC_EXCP_NONE)
7790             gen_exception_nip(ctx, excp, ctx->base.pc_next);
7791     }
7792 
7793     if (tcg_check_temp_count()) {
7794         qemu_log("Opcode %02x %02x %02x %02x (%08x) leaked "
7795                  "temporaries\n", opc1(ctx->opcode), opc2(ctx->opcode),
7796                  opc3(ctx->opcode), opc4(ctx->opcode), ctx->opcode);
7797     }
7798 
7799     ctx->base.is_jmp = ctx->exception == POWERPC_EXCP_NONE ?
7800         DISAS_NEXT : DISAS_NORETURN;
7801 }
7802 
7803 static void ppc_tr_tb_stop(DisasContextBase *dcbase, CPUState *cs)
7804 {
7805     DisasContext *ctx = container_of(dcbase, DisasContext, base);
7806 
7807     if (ctx->exception == POWERPC_EXCP_NONE) {
7808         gen_goto_tb(ctx, 0, ctx->base.pc_next);
7809     } else if (ctx->exception != POWERPC_EXCP_BRANCH) {
7810         if (unlikely(ctx->base.singlestep_enabled)) {
7811             gen_debug_exception(ctx);
7812         }
7813         /* Generate the return instruction */
7814         tcg_gen_exit_tb(NULL, 0);
7815     }
7816 }
7817 
7818 static void ppc_tr_disas_log(const DisasContextBase *dcbase, CPUState *cs)
7819 {
7820     qemu_log("IN: %s\n", lookup_symbol(dcbase->pc_first));
7821     log_target_disas(cs, dcbase->pc_first, dcbase->tb->size);
7822 }
7823 
7824 static const TranslatorOps ppc_tr_ops = {
7825     .init_disas_context = ppc_tr_init_disas_context,
7826     .tb_start           = ppc_tr_tb_start,
7827     .insn_start         = ppc_tr_insn_start,
7828     .breakpoint_check   = ppc_tr_breakpoint_check,
7829     .translate_insn     = ppc_tr_translate_insn,
7830     .tb_stop            = ppc_tr_tb_stop,
7831     .disas_log          = ppc_tr_disas_log,
7832 };
7833 
7834 void gen_intermediate_code(CPUState *cs, struct TranslationBlock *tb)
7835 {
7836     DisasContext ctx;
7837 
7838     translator_loop(&ppc_tr_ops, &ctx.base, cs, tb);
7839 }
7840 
7841 void restore_state_to_opc(CPUPPCState *env, TranslationBlock *tb,
7842                           target_ulong *data)
7843 {
7844     env->nip = data[0];
7845 }
7846