xref: /openbmc/qemu/target/ppc/translate.c (revision 503bb0b9)
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 "tcg-op-gvec.h"
28 #include "qemu/host-utils.h"
29 #include "exec/cpu_ldst.h"
30 
31 #include "exec/helper-proto.h"
32 #include "exec/helper-gen.h"
33 
34 #include "trace-tcg.h"
35 #include "exec/translator.h"
36 #include "exec/log.h"
37 #include "qemu/atomic128.h"
38 
39 
40 #define CPU_SINGLE_STEP 0x1
41 #define CPU_BRANCH_STEP 0x2
42 #define GDBSTUB_SINGLE_STEP 0x4
43 
44 /* Include definitions for instructions classes and implementations flags */
45 //#define PPC_DEBUG_DISAS
46 //#define DO_PPC_STATISTICS
47 
48 #ifdef PPC_DEBUG_DISAS
49 #  define LOG_DISAS(...) qemu_log_mask(CPU_LOG_TB_IN_ASM, ## __VA_ARGS__)
50 #else
51 #  define LOG_DISAS(...) do { } while (0)
52 #endif
53 /*****************************************************************************/
54 /* Code translation helpers                                                  */
55 
56 /* global register indexes */
57 static char cpu_reg_names[10*3 + 22*4 /* GPR */
58     + 10*4 + 22*5 /* SPE GPRh */
59     + 8*5 /* CRF */];
60 static TCGv cpu_gpr[32];
61 static TCGv cpu_gprh[32];
62 static TCGv_i32 cpu_crf[8];
63 static TCGv cpu_nip;
64 static TCGv cpu_msr;
65 static TCGv cpu_ctr;
66 static TCGv cpu_lr;
67 #if defined(TARGET_PPC64)
68 static TCGv cpu_cfar;
69 #endif
70 static TCGv cpu_xer, cpu_so, cpu_ov, cpu_ca, cpu_ov32, cpu_ca32;
71 static TCGv cpu_reserve;
72 static TCGv cpu_reserve_val;
73 static TCGv cpu_fpscr;
74 static TCGv_i32 cpu_access_type;
75 
76 #include "exec/gen-icount.h"
77 
78 void ppc_translate_init(void)
79 {
80     int i;
81     char* p;
82     size_t cpu_reg_names_size;
83 
84     p = cpu_reg_names;
85     cpu_reg_names_size = sizeof(cpu_reg_names);
86 
87     for (i = 0; i < 8; i++) {
88         snprintf(p, cpu_reg_names_size, "crf%d", i);
89         cpu_crf[i] = tcg_global_mem_new_i32(cpu_env,
90                                             offsetof(CPUPPCState, crf[i]), p);
91         p += 5;
92         cpu_reg_names_size -= 5;
93     }
94 
95     for (i = 0; i < 32; i++) {
96         snprintf(p, cpu_reg_names_size, "r%d", i);
97         cpu_gpr[i] = tcg_global_mem_new(cpu_env,
98                                         offsetof(CPUPPCState, gpr[i]), p);
99         p += (i < 10) ? 3 : 4;
100         cpu_reg_names_size -= (i < 10) ? 3 : 4;
101         snprintf(p, cpu_reg_names_size, "r%dH", i);
102         cpu_gprh[i] = tcg_global_mem_new(cpu_env,
103                                          offsetof(CPUPPCState, gprh[i]), p);
104         p += (i < 10) ? 4 : 5;
105         cpu_reg_names_size -= (i < 10) ? 4 : 5;
106     }
107 
108     cpu_nip = tcg_global_mem_new(cpu_env,
109                                  offsetof(CPUPPCState, nip), "nip");
110 
111     cpu_msr = tcg_global_mem_new(cpu_env,
112                                  offsetof(CPUPPCState, msr), "msr");
113 
114     cpu_ctr = tcg_global_mem_new(cpu_env,
115                                  offsetof(CPUPPCState, ctr), "ctr");
116 
117     cpu_lr = tcg_global_mem_new(cpu_env,
118                                 offsetof(CPUPPCState, lr), "lr");
119 
120 #if defined(TARGET_PPC64)
121     cpu_cfar = tcg_global_mem_new(cpu_env,
122                                   offsetof(CPUPPCState, cfar), "cfar");
123 #endif
124 
125     cpu_xer = tcg_global_mem_new(cpu_env,
126                                  offsetof(CPUPPCState, xer), "xer");
127     cpu_so = tcg_global_mem_new(cpu_env,
128                                 offsetof(CPUPPCState, so), "SO");
129     cpu_ov = tcg_global_mem_new(cpu_env,
130                                 offsetof(CPUPPCState, ov), "OV");
131     cpu_ca = tcg_global_mem_new(cpu_env,
132                                 offsetof(CPUPPCState, ca), "CA");
133     cpu_ov32 = tcg_global_mem_new(cpu_env,
134                                   offsetof(CPUPPCState, ov32), "OV32");
135     cpu_ca32 = tcg_global_mem_new(cpu_env,
136                                   offsetof(CPUPPCState, ca32), "CA32");
137 
138     cpu_reserve = tcg_global_mem_new(cpu_env,
139                                      offsetof(CPUPPCState, reserve_addr),
140                                      "reserve_addr");
141     cpu_reserve_val = tcg_global_mem_new(cpu_env,
142                                      offsetof(CPUPPCState, reserve_val),
143                                      "reserve_val");
144 
145     cpu_fpscr = tcg_global_mem_new(cpu_env,
146                                    offsetof(CPUPPCState, fpscr), "fpscr");
147 
148     cpu_access_type = tcg_global_mem_new_i32(cpu_env,
149                                              offsetof(CPUPPCState, access_type), "access_type");
150 }
151 
152 /* internal defines */
153 struct DisasContext {
154     DisasContextBase base;
155     uint32_t opcode;
156     uint32_t exception;
157     /* Routine used to access memory */
158     bool pr, hv, dr, le_mode;
159     bool lazy_tlb_flush;
160     bool need_access_type;
161     int mem_idx;
162     int access_type;
163     /* Translation flags */
164     TCGMemOp default_tcg_memop_mask;
165 #if defined(TARGET_PPC64)
166     bool sf_mode;
167     bool has_cfar;
168 #endif
169     bool fpu_enabled;
170     bool altivec_enabled;
171     bool vsx_enabled;
172     bool spe_enabled;
173     bool tm_enabled;
174     bool gtse;
175     ppc_spr_t *spr_cb; /* Needed to check rights for mfspr/mtspr */
176     int singlestep_enabled;
177     uint32_t flags;
178     uint64_t insns_flags;
179     uint64_t insns_flags2;
180 };
181 
182 /* Return true iff byteswap is needed in a scalar memop */
183 static inline bool need_byteswap(const DisasContext *ctx)
184 {
185 #if defined(TARGET_WORDS_BIGENDIAN)
186      return ctx->le_mode;
187 #else
188      return !ctx->le_mode;
189 #endif
190 }
191 
192 /* True when active word size < size of target_long.  */
193 #ifdef TARGET_PPC64
194 # define NARROW_MODE(C)  (!(C)->sf_mode)
195 #else
196 # define NARROW_MODE(C)  0
197 #endif
198 
199 struct opc_handler_t {
200     /* invalid bits for instruction 1 (Rc(opcode) == 0) */
201     uint32_t inval1;
202     /* invalid bits for instruction 2 (Rc(opcode) == 1) */
203     uint32_t inval2;
204     /* instruction type */
205     uint64_t type;
206     /* extended instruction type */
207     uint64_t type2;
208     /* handler */
209     void (*handler)(DisasContext *ctx);
210 #if defined(DO_PPC_STATISTICS) || defined(PPC_DUMP_CPU)
211     const char *oname;
212 #endif
213 #if defined(DO_PPC_STATISTICS)
214     uint64_t count;
215 #endif
216 };
217 
218 /* SPR load/store helpers */
219 static inline void gen_load_spr(TCGv t, int reg)
220 {
221     tcg_gen_ld_tl(t, cpu_env, offsetof(CPUPPCState, spr[reg]));
222 }
223 
224 static inline void gen_store_spr(int reg, TCGv t)
225 {
226     tcg_gen_st_tl(t, cpu_env, offsetof(CPUPPCState, spr[reg]));
227 }
228 
229 static inline void gen_set_access_type(DisasContext *ctx, int access_type)
230 {
231     if (ctx->need_access_type && ctx->access_type != access_type) {
232         tcg_gen_movi_i32(cpu_access_type, access_type);
233         ctx->access_type = access_type;
234     }
235 }
236 
237 static inline void gen_update_nip(DisasContext *ctx, target_ulong nip)
238 {
239     if (NARROW_MODE(ctx)) {
240         nip = (uint32_t)nip;
241     }
242     tcg_gen_movi_tl(cpu_nip, nip);
243 }
244 
245 static void gen_exception_err(DisasContext *ctx, uint32_t excp, uint32_t error)
246 {
247     TCGv_i32 t0, t1;
248 
249     /* These are all synchronous exceptions, we set the PC back to
250      * the faulting instruction
251      */
252     if (ctx->exception == POWERPC_EXCP_NONE) {
253         gen_update_nip(ctx, ctx->base.pc_next - 4);
254     }
255     t0 = tcg_const_i32(excp);
256     t1 = tcg_const_i32(error);
257     gen_helper_raise_exception_err(cpu_env, t0, t1);
258     tcg_temp_free_i32(t0);
259     tcg_temp_free_i32(t1);
260     ctx->exception = (excp);
261 }
262 
263 static void gen_exception(DisasContext *ctx, uint32_t excp)
264 {
265     TCGv_i32 t0;
266 
267     /* These are all synchronous exceptions, we set the PC back to
268      * the faulting instruction
269      */
270     if (ctx->exception == POWERPC_EXCP_NONE) {
271         gen_update_nip(ctx, ctx->base.pc_next - 4);
272     }
273     t0 = tcg_const_i32(excp);
274     gen_helper_raise_exception(cpu_env, t0);
275     tcg_temp_free_i32(t0);
276     ctx->exception = (excp);
277 }
278 
279 static void gen_exception_nip(DisasContext *ctx, uint32_t excp,
280                               target_ulong nip)
281 {
282     TCGv_i32 t0;
283 
284     gen_update_nip(ctx, nip);
285     t0 = tcg_const_i32(excp);
286     gen_helper_raise_exception(cpu_env, t0);
287     tcg_temp_free_i32(t0);
288     ctx->exception = (excp);
289 }
290 
291 /*
292  * Tells the caller what is the appropriate exception to generate and prepares
293  * SPR registers for this exception.
294  *
295  * The exception can be either POWERPC_EXCP_TRACE (on most PowerPCs) or
296  * POWERPC_EXCP_DEBUG (on BookE).
297  */
298 static uint32_t gen_prep_dbgex(DisasContext *ctx)
299 {
300     if (ctx->flags & POWERPC_FLAG_DE) {
301         target_ulong dbsr = 0;
302         if (ctx->singlestep_enabled & CPU_SINGLE_STEP) {
303             dbsr = DBCR0_ICMP;
304         } else {
305             /* Must have been branch */
306             dbsr = DBCR0_BRT;
307         }
308         TCGv t0 = tcg_temp_new();
309         gen_load_spr(t0, SPR_BOOKE_DBSR);
310         tcg_gen_ori_tl(t0, t0, dbsr);
311         gen_store_spr(SPR_BOOKE_DBSR, t0);
312         tcg_temp_free(t0);
313         return POWERPC_EXCP_DEBUG;
314     } else {
315         return POWERPC_EXCP_TRACE;
316     }
317 }
318 
319 static void gen_debug_exception(DisasContext *ctx)
320 {
321     TCGv_i32 t0;
322 
323     /* These are all synchronous exceptions, we set the PC back to
324      * the faulting instruction
325      */
326     if ((ctx->exception != POWERPC_EXCP_BRANCH) &&
327         (ctx->exception != POWERPC_EXCP_SYNC)) {
328         gen_update_nip(ctx, ctx->base.pc_next);
329     }
330     t0 = tcg_const_i32(EXCP_DEBUG);
331     gen_helper_raise_exception(cpu_env, t0);
332     tcg_temp_free_i32(t0);
333 }
334 
335 static inline void gen_inval_exception(DisasContext *ctx, uint32_t error)
336 {
337     /* Will be converted to program check if needed */
338     gen_exception_err(ctx, POWERPC_EXCP_HV_EMU, POWERPC_EXCP_INVAL | error);
339 }
340 
341 static inline void gen_priv_exception(DisasContext *ctx, uint32_t error)
342 {
343     gen_exception_err(ctx, POWERPC_EXCP_PROGRAM, POWERPC_EXCP_PRIV | error);
344 }
345 
346 static inline void gen_hvpriv_exception(DisasContext *ctx, uint32_t error)
347 {
348     /* Will be converted to program check if needed */
349     gen_exception_err(ctx, POWERPC_EXCP_HV_EMU, POWERPC_EXCP_PRIV | error);
350 }
351 
352 /* Stop translation */
353 static inline void gen_stop_exception(DisasContext *ctx)
354 {
355     gen_update_nip(ctx, ctx->base.pc_next);
356     ctx->exception = POWERPC_EXCP_STOP;
357 }
358 
359 #ifndef CONFIG_USER_ONLY
360 /* No need to update nip here, as execution flow will change */
361 static inline void gen_sync_exception(DisasContext *ctx)
362 {
363     ctx->exception = POWERPC_EXCP_SYNC;
364 }
365 #endif
366 
367 #define GEN_HANDLER(name, opc1, opc2, opc3, inval, type)                      \
368 GEN_OPCODE(name, opc1, opc2, opc3, inval, type, PPC_NONE)
369 
370 #define GEN_HANDLER_E(name, opc1, opc2, opc3, inval, type, type2)             \
371 GEN_OPCODE(name, opc1, opc2, opc3, inval, type, type2)
372 
373 #define GEN_HANDLER2(name, onam, opc1, opc2, opc3, inval, type)               \
374 GEN_OPCODE2(name, onam, opc1, opc2, opc3, inval, type, PPC_NONE)
375 
376 #define GEN_HANDLER2_E(name, onam, opc1, opc2, opc3, inval, type, type2)      \
377 GEN_OPCODE2(name, onam, opc1, opc2, opc3, inval, type, type2)
378 
379 #define GEN_HANDLER_E_2(name, opc1, opc2, opc3, opc4, inval, type, type2)     \
380 GEN_OPCODE3(name, opc1, opc2, opc3, opc4, inval, type, type2)
381 
382 #define GEN_HANDLER2_E_2(name, onam, opc1, opc2, opc3, opc4, inval, typ, typ2) \
383 GEN_OPCODE4(name, onam, opc1, opc2, opc3, opc4, inval, typ, typ2)
384 
385 typedef struct opcode_t {
386     unsigned char opc1, opc2, opc3, opc4;
387 #if HOST_LONG_BITS == 64 /* Explicitly align to 64 bits */
388     unsigned char pad[4];
389 #endif
390     opc_handler_t handler;
391     const char *oname;
392 } opcode_t;
393 
394 /* Helpers for priv. check */
395 #define GEN_PRIV                                                \
396     do {                                                        \
397         gen_priv_exception(ctx, POWERPC_EXCP_PRIV_OPC); return; \
398     } while (0)
399 
400 #if defined(CONFIG_USER_ONLY)
401 #define CHK_HV GEN_PRIV
402 #define CHK_SV GEN_PRIV
403 #define CHK_HVRM GEN_PRIV
404 #else
405 #define CHK_HV                                                          \
406     do {                                                                \
407         if (unlikely(ctx->pr || !ctx->hv)) {                            \
408             GEN_PRIV;                                                   \
409         }                                                               \
410     } while (0)
411 #define CHK_SV                   \
412     do {                         \
413         if (unlikely(ctx->pr)) { \
414             GEN_PRIV;            \
415         }                        \
416     } while (0)
417 #define CHK_HVRM                                            \
418     do {                                                    \
419         if (unlikely(ctx->pr || !ctx->hv || ctx->dr)) {     \
420             GEN_PRIV;                                       \
421         }                                                   \
422     } while (0)
423 #endif
424 
425 #define CHK_NONE
426 
427 /*****************************************************************************/
428 /* PowerPC instructions table                                                */
429 
430 #if defined(DO_PPC_STATISTICS)
431 #define GEN_OPCODE(name, op1, op2, op3, invl, _typ, _typ2)                    \
432 {                                                                             \
433     .opc1 = op1,                                                              \
434     .opc2 = op2,                                                              \
435     .opc3 = op3,                                                              \
436     .opc4 = 0xff,                                                             \
437     .handler = {                                                              \
438         .inval1  = invl,                                                      \
439         .type = _typ,                                                         \
440         .type2 = _typ2,                                                       \
441         .handler = &gen_##name,                                               \
442         .oname = stringify(name),                                             \
443     },                                                                        \
444     .oname = stringify(name),                                                 \
445 }
446 #define GEN_OPCODE_DUAL(name, op1, op2, op3, invl1, invl2, _typ, _typ2)       \
447 {                                                                             \
448     .opc1 = op1,                                                              \
449     .opc2 = op2,                                                              \
450     .opc3 = op3,                                                              \
451     .opc4 = 0xff,                                                             \
452     .handler = {                                                              \
453         .inval1  = invl1,                                                     \
454         .inval2  = invl2,                                                     \
455         .type = _typ,                                                         \
456         .type2 = _typ2,                                                       \
457         .handler = &gen_##name,                                               \
458         .oname = stringify(name),                                             \
459     },                                                                        \
460     .oname = stringify(name),                                                 \
461 }
462 #define GEN_OPCODE2(name, onam, op1, op2, op3, invl, _typ, _typ2)             \
463 {                                                                             \
464     .opc1 = op1,                                                              \
465     .opc2 = op2,                                                              \
466     .opc3 = op3,                                                              \
467     .opc4 = 0xff,                                                             \
468     .handler = {                                                              \
469         .inval1  = invl,                                                      \
470         .type = _typ,                                                         \
471         .type2 = _typ2,                                                       \
472         .handler = &gen_##name,                                               \
473         .oname = onam,                                                        \
474     },                                                                        \
475     .oname = onam,                                                            \
476 }
477 #define GEN_OPCODE3(name, op1, op2, op3, op4, invl, _typ, _typ2)              \
478 {                                                                             \
479     .opc1 = op1,                                                              \
480     .opc2 = op2,                                                              \
481     .opc3 = op3,                                                              \
482     .opc4 = op4,                                                              \
483     .handler = {                                                              \
484         .inval1  = invl,                                                      \
485         .type = _typ,                                                         \
486         .type2 = _typ2,                                                       \
487         .handler = &gen_##name,                                               \
488         .oname = stringify(name),                                             \
489     },                                                                        \
490     .oname = stringify(name),                                                 \
491 }
492 #define GEN_OPCODE4(name, onam, op1, op2, op3, op4, invl, _typ, _typ2)        \
493 {                                                                             \
494     .opc1 = op1,                                                              \
495     .opc2 = op2,                                                              \
496     .opc3 = op3,                                                              \
497     .opc4 = op4,                                                              \
498     .handler = {                                                              \
499         .inval1  = invl,                                                      \
500         .type = _typ,                                                         \
501         .type2 = _typ2,                                                       \
502         .handler = &gen_##name,                                               \
503         .oname = onam,                                                        \
504     },                                                                        \
505     .oname = onam,                                                            \
506 }
507 #else
508 #define GEN_OPCODE(name, op1, op2, op3, invl, _typ, _typ2)                    \
509 {                                                                             \
510     .opc1 = op1,                                                              \
511     .opc2 = op2,                                                              \
512     .opc3 = op3,                                                              \
513     .opc4 = 0xff,                                                             \
514     .handler = {                                                              \
515         .inval1  = invl,                                                      \
516         .type = _typ,                                                         \
517         .type2 = _typ2,                                                       \
518         .handler = &gen_##name,                                               \
519     },                                                                        \
520     .oname = stringify(name),                                                 \
521 }
522 #define GEN_OPCODE_DUAL(name, op1, op2, op3, invl1, invl2, _typ, _typ2)       \
523 {                                                                             \
524     .opc1 = op1,                                                              \
525     .opc2 = op2,                                                              \
526     .opc3 = op3,                                                              \
527     .opc4 = 0xff,                                                             \
528     .handler = {                                                              \
529         .inval1  = invl1,                                                     \
530         .inval2  = invl2,                                                     \
531         .type = _typ,                                                         \
532         .type2 = _typ2,                                                       \
533         .handler = &gen_##name,                                               \
534     },                                                                        \
535     .oname = stringify(name),                                                 \
536 }
537 #define GEN_OPCODE2(name, onam, op1, op2, op3, invl, _typ, _typ2)             \
538 {                                                                             \
539     .opc1 = op1,                                                              \
540     .opc2 = op2,                                                              \
541     .opc3 = op3,                                                              \
542     .opc4 = 0xff,                                                             \
543     .handler = {                                                              \
544         .inval1  = invl,                                                      \
545         .type = _typ,                                                         \
546         .type2 = _typ2,                                                       \
547         .handler = &gen_##name,                                               \
548     },                                                                        \
549     .oname = onam,                                                            \
550 }
551 #define GEN_OPCODE3(name, op1, op2, op3, op4, invl, _typ, _typ2)              \
552 {                                                                             \
553     .opc1 = op1,                                                              \
554     .opc2 = op2,                                                              \
555     .opc3 = op3,                                                              \
556     .opc4 = op4,                                                              \
557     .handler = {                                                              \
558         .inval1  = invl,                                                      \
559         .type = _typ,                                                         \
560         .type2 = _typ2,                                                       \
561         .handler = &gen_##name,                                               \
562     },                                                                        \
563     .oname = stringify(name),                                                 \
564 }
565 #define GEN_OPCODE4(name, onam, op1, op2, op3, op4, invl, _typ, _typ2)        \
566 {                                                                             \
567     .opc1 = op1,                                                              \
568     .opc2 = op2,                                                              \
569     .opc3 = op3,                                                              \
570     .opc4 = op4,                                                              \
571     .handler = {                                                              \
572         .inval1  = invl,                                                      \
573         .type = _typ,                                                         \
574         .type2 = _typ2,                                                       \
575         .handler = &gen_##name,                                               \
576     },                                                                        \
577     .oname = onam,                                                            \
578 }
579 #endif
580 
581 /* Invalid instruction */
582 static void gen_invalid(DisasContext *ctx)
583 {
584     gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
585 }
586 
587 static opc_handler_t invalid_handler = {
588     .inval1  = 0xFFFFFFFF,
589     .inval2  = 0xFFFFFFFF,
590     .type    = PPC_NONE,
591     .type2   = PPC_NONE,
592     .handler = gen_invalid,
593 };
594 
595 /***                           Integer comparison                          ***/
596 
597 static inline void gen_op_cmp(TCGv arg0, TCGv arg1, int s, int crf)
598 {
599     TCGv t0 = tcg_temp_new();
600     TCGv t1 = tcg_temp_new();
601     TCGv_i32 t = tcg_temp_new_i32();
602 
603     tcg_gen_movi_tl(t0, CRF_EQ);
604     tcg_gen_movi_tl(t1, CRF_LT);
605     tcg_gen_movcond_tl((s ? TCG_COND_LT : TCG_COND_LTU), t0, arg0, arg1, t1, t0);
606     tcg_gen_movi_tl(t1, CRF_GT);
607     tcg_gen_movcond_tl((s ? TCG_COND_GT : TCG_COND_GTU), t0, arg0, arg1, t1, t0);
608 
609     tcg_gen_trunc_tl_i32(t, t0);
610     tcg_gen_trunc_tl_i32(cpu_crf[crf], cpu_so);
611     tcg_gen_or_i32(cpu_crf[crf], cpu_crf[crf], t);
612 
613     tcg_temp_free(t0);
614     tcg_temp_free(t1);
615     tcg_temp_free_i32(t);
616 }
617 
618 static inline void gen_op_cmpi(TCGv arg0, target_ulong arg1, int s, int crf)
619 {
620     TCGv t0 = tcg_const_tl(arg1);
621     gen_op_cmp(arg0, t0, s, crf);
622     tcg_temp_free(t0);
623 }
624 
625 static inline void gen_op_cmp32(TCGv arg0, TCGv arg1, int s, int crf)
626 {
627     TCGv t0, t1;
628     t0 = tcg_temp_new();
629     t1 = tcg_temp_new();
630     if (s) {
631         tcg_gen_ext32s_tl(t0, arg0);
632         tcg_gen_ext32s_tl(t1, arg1);
633     } else {
634         tcg_gen_ext32u_tl(t0, arg0);
635         tcg_gen_ext32u_tl(t1, arg1);
636     }
637     gen_op_cmp(t0, t1, s, crf);
638     tcg_temp_free(t1);
639     tcg_temp_free(t0);
640 }
641 
642 static inline void gen_op_cmpi32(TCGv arg0, target_ulong arg1, int s, int crf)
643 {
644     TCGv t0 = tcg_const_tl(arg1);
645     gen_op_cmp32(arg0, t0, s, crf);
646     tcg_temp_free(t0);
647 }
648 
649 static inline void gen_set_Rc0(DisasContext *ctx, TCGv reg)
650 {
651     if (NARROW_MODE(ctx)) {
652         gen_op_cmpi32(reg, 0, 1, 0);
653     } else {
654         gen_op_cmpi(reg, 0, 1, 0);
655     }
656 }
657 
658 /* cmp */
659 static void gen_cmp(DisasContext *ctx)
660 {
661     if ((ctx->opcode & 0x00200000) && (ctx->insns_flags & PPC_64B)) {
662         gen_op_cmp(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],
663                    1, crfD(ctx->opcode));
664     } else {
665         gen_op_cmp32(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],
666                      1, crfD(ctx->opcode));
667     }
668 }
669 
670 /* cmpi */
671 static void gen_cmpi(DisasContext *ctx)
672 {
673     if ((ctx->opcode & 0x00200000) && (ctx->insns_flags & PPC_64B)) {
674         gen_op_cmpi(cpu_gpr[rA(ctx->opcode)], SIMM(ctx->opcode),
675                     1, crfD(ctx->opcode));
676     } else {
677         gen_op_cmpi32(cpu_gpr[rA(ctx->opcode)], SIMM(ctx->opcode),
678                       1, crfD(ctx->opcode));
679     }
680 }
681 
682 /* cmpl */
683 static void gen_cmpl(DisasContext *ctx)
684 {
685     if ((ctx->opcode & 0x00200000) && (ctx->insns_flags & PPC_64B)) {
686         gen_op_cmp(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],
687                    0, crfD(ctx->opcode));
688     } else {
689         gen_op_cmp32(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],
690                      0, crfD(ctx->opcode));
691     }
692 }
693 
694 /* cmpli */
695 static void gen_cmpli(DisasContext *ctx)
696 {
697     if ((ctx->opcode & 0x00200000) && (ctx->insns_flags & PPC_64B)) {
698         gen_op_cmpi(cpu_gpr[rA(ctx->opcode)], UIMM(ctx->opcode),
699                     0, crfD(ctx->opcode));
700     } else {
701         gen_op_cmpi32(cpu_gpr[rA(ctx->opcode)], UIMM(ctx->opcode),
702                       0, crfD(ctx->opcode));
703     }
704 }
705 
706 /* cmprb - range comparison: isupper, isaplha, islower*/
707 static void gen_cmprb(DisasContext *ctx)
708 {
709     TCGv_i32 src1 = tcg_temp_new_i32();
710     TCGv_i32 src2 = tcg_temp_new_i32();
711     TCGv_i32 src2lo = tcg_temp_new_i32();
712     TCGv_i32 src2hi = tcg_temp_new_i32();
713     TCGv_i32 crf = cpu_crf[crfD(ctx->opcode)];
714 
715     tcg_gen_trunc_tl_i32(src1, cpu_gpr[rA(ctx->opcode)]);
716     tcg_gen_trunc_tl_i32(src2, cpu_gpr[rB(ctx->opcode)]);
717 
718     tcg_gen_andi_i32(src1, src1, 0xFF);
719     tcg_gen_ext8u_i32(src2lo, src2);
720     tcg_gen_shri_i32(src2, src2, 8);
721     tcg_gen_ext8u_i32(src2hi, src2);
722 
723     tcg_gen_setcond_i32(TCG_COND_LEU, src2lo, src2lo, src1);
724     tcg_gen_setcond_i32(TCG_COND_LEU, src2hi, src1, src2hi);
725     tcg_gen_and_i32(crf, src2lo, src2hi);
726 
727     if (ctx->opcode & 0x00200000) {
728         tcg_gen_shri_i32(src2, src2, 8);
729         tcg_gen_ext8u_i32(src2lo, src2);
730         tcg_gen_shri_i32(src2, src2, 8);
731         tcg_gen_ext8u_i32(src2hi, src2);
732         tcg_gen_setcond_i32(TCG_COND_LEU, src2lo, src2lo, src1);
733         tcg_gen_setcond_i32(TCG_COND_LEU, src2hi, src1, src2hi);
734         tcg_gen_and_i32(src2lo, src2lo, src2hi);
735         tcg_gen_or_i32(crf, crf, src2lo);
736     }
737     tcg_gen_shli_i32(crf, crf, CRF_GT_BIT);
738     tcg_temp_free_i32(src1);
739     tcg_temp_free_i32(src2);
740     tcg_temp_free_i32(src2lo);
741     tcg_temp_free_i32(src2hi);
742 }
743 
744 #if defined(TARGET_PPC64)
745 /* cmpeqb */
746 static void gen_cmpeqb(DisasContext *ctx)
747 {
748     gen_helper_cmpeqb(cpu_crf[crfD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
749                       cpu_gpr[rB(ctx->opcode)]);
750 }
751 #endif
752 
753 /* isel (PowerPC 2.03 specification) */
754 static void gen_isel(DisasContext *ctx)
755 {
756     uint32_t bi = rC(ctx->opcode);
757     uint32_t mask = 0x08 >> (bi & 0x03);
758     TCGv t0 = tcg_temp_new();
759     TCGv zr;
760 
761     tcg_gen_extu_i32_tl(t0, cpu_crf[bi >> 2]);
762     tcg_gen_andi_tl(t0, t0, mask);
763 
764     zr = tcg_const_tl(0);
765     tcg_gen_movcond_tl(TCG_COND_NE, cpu_gpr[rD(ctx->opcode)], t0, zr,
766                        rA(ctx->opcode) ? cpu_gpr[rA(ctx->opcode)] : zr,
767                        cpu_gpr[rB(ctx->opcode)]);
768     tcg_temp_free(zr);
769     tcg_temp_free(t0);
770 }
771 
772 /* cmpb: PowerPC 2.05 specification */
773 static void gen_cmpb(DisasContext *ctx)
774 {
775     gen_helper_cmpb(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)],
776                     cpu_gpr[rB(ctx->opcode)]);
777 }
778 
779 /***                           Integer arithmetic                          ***/
780 
781 static inline void gen_op_arith_compute_ov(DisasContext *ctx, TCGv arg0,
782                                            TCGv arg1, TCGv arg2, int sub)
783 {
784     TCGv t0 = tcg_temp_new();
785 
786     tcg_gen_xor_tl(cpu_ov, arg0, arg2);
787     tcg_gen_xor_tl(t0, arg1, arg2);
788     if (sub) {
789         tcg_gen_and_tl(cpu_ov, cpu_ov, t0);
790     } else {
791         tcg_gen_andc_tl(cpu_ov, cpu_ov, t0);
792     }
793     tcg_temp_free(t0);
794     if (NARROW_MODE(ctx)) {
795         tcg_gen_extract_tl(cpu_ov, cpu_ov, 31, 1);
796         if (is_isa300(ctx)) {
797             tcg_gen_mov_tl(cpu_ov32, cpu_ov);
798         }
799     } else {
800         if (is_isa300(ctx)) {
801             tcg_gen_extract_tl(cpu_ov32, cpu_ov, 31, 1);
802         }
803         tcg_gen_extract_tl(cpu_ov, cpu_ov, TARGET_LONG_BITS - 1, 1);
804     }
805     tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov);
806 }
807 
808 static inline void gen_op_arith_compute_ca32(DisasContext *ctx,
809                                              TCGv res, TCGv arg0, TCGv arg1,
810                                              TCGv ca32, int sub)
811 {
812     TCGv t0;
813 
814     if (!is_isa300(ctx)) {
815         return;
816     }
817 
818     t0 = tcg_temp_new();
819     if (sub) {
820         tcg_gen_eqv_tl(t0, arg0, arg1);
821     } else {
822         tcg_gen_xor_tl(t0, arg0, arg1);
823     }
824     tcg_gen_xor_tl(t0, t0, res);
825     tcg_gen_extract_tl(ca32, t0, 32, 1);
826     tcg_temp_free(t0);
827 }
828 
829 /* Common add function */
830 static inline void gen_op_arith_add(DisasContext *ctx, TCGv ret, TCGv arg1,
831                                     TCGv arg2, TCGv ca, TCGv ca32,
832                                     bool add_ca, bool compute_ca,
833                                     bool compute_ov, bool compute_rc0)
834 {
835     TCGv t0 = ret;
836 
837     if (compute_ca || compute_ov) {
838         t0 = tcg_temp_new();
839     }
840 
841     if (compute_ca) {
842         if (NARROW_MODE(ctx)) {
843             /* Caution: a non-obvious corner case of the spec is that we
844                must produce the *entire* 64-bit addition, but produce the
845                carry into bit 32.  */
846             TCGv t1 = tcg_temp_new();
847             tcg_gen_xor_tl(t1, arg1, arg2);        /* add without carry */
848             tcg_gen_add_tl(t0, arg1, arg2);
849             if (add_ca) {
850                 tcg_gen_add_tl(t0, t0, ca);
851             }
852             tcg_gen_xor_tl(ca, t0, t1);        /* bits changed w/ carry */
853             tcg_temp_free(t1);
854             tcg_gen_extract_tl(ca, ca, 32, 1);
855             if (is_isa300(ctx)) {
856                 tcg_gen_mov_tl(ca32, ca);
857             }
858         } else {
859             TCGv zero = tcg_const_tl(0);
860             if (add_ca) {
861                 tcg_gen_add2_tl(t0, ca, arg1, zero, ca, zero);
862                 tcg_gen_add2_tl(t0, ca, t0, ca, arg2, zero);
863             } else {
864                 tcg_gen_add2_tl(t0, ca, arg1, zero, arg2, zero);
865             }
866             gen_op_arith_compute_ca32(ctx, t0, arg1, arg2, ca32, 0);
867             tcg_temp_free(zero);
868         }
869     } else {
870         tcg_gen_add_tl(t0, arg1, arg2);
871         if (add_ca) {
872             tcg_gen_add_tl(t0, t0, ca);
873         }
874     }
875 
876     if (compute_ov) {
877         gen_op_arith_compute_ov(ctx, t0, arg1, arg2, 0);
878     }
879     if (unlikely(compute_rc0)) {
880         gen_set_Rc0(ctx, t0);
881     }
882 
883     if (t0 != ret) {
884         tcg_gen_mov_tl(ret, t0);
885         tcg_temp_free(t0);
886     }
887 }
888 /* Add functions with two operands */
889 #define GEN_INT_ARITH_ADD(name, opc3, ca, add_ca, compute_ca, compute_ov)     \
890 static void glue(gen_, name)(DisasContext *ctx)                               \
891 {                                                                             \
892     gen_op_arith_add(ctx, cpu_gpr[rD(ctx->opcode)],                           \
893                      cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],      \
894                      ca, glue(ca, 32),                                        \
895                      add_ca, compute_ca, compute_ov, Rc(ctx->opcode));        \
896 }
897 /* Add functions with one operand and one immediate */
898 #define GEN_INT_ARITH_ADD_CONST(name, opc3, const_val, ca,                    \
899                                 add_ca, compute_ca, compute_ov)               \
900 static void glue(gen_, name)(DisasContext *ctx)                               \
901 {                                                                             \
902     TCGv t0 = tcg_const_tl(const_val);                                        \
903     gen_op_arith_add(ctx, cpu_gpr[rD(ctx->opcode)],                           \
904                      cpu_gpr[rA(ctx->opcode)], t0,                            \
905                      ca, glue(ca, 32),                                        \
906                      add_ca, compute_ca, compute_ov, Rc(ctx->opcode));        \
907     tcg_temp_free(t0);                                                        \
908 }
909 
910 /* add  add.  addo  addo. */
911 GEN_INT_ARITH_ADD(add, 0x08, cpu_ca, 0, 0, 0)
912 GEN_INT_ARITH_ADD(addo, 0x18, cpu_ca, 0, 0, 1)
913 /* addc  addc.  addco  addco. */
914 GEN_INT_ARITH_ADD(addc, 0x00, cpu_ca, 0, 1, 0)
915 GEN_INT_ARITH_ADD(addco, 0x10, cpu_ca, 0, 1, 1)
916 /* adde  adde.  addeo  addeo. */
917 GEN_INT_ARITH_ADD(adde, 0x04, cpu_ca, 1, 1, 0)
918 GEN_INT_ARITH_ADD(addeo, 0x14, cpu_ca, 1, 1, 1)
919 /* addme  addme.  addmeo  addmeo.  */
920 GEN_INT_ARITH_ADD_CONST(addme, 0x07, -1LL, cpu_ca, 1, 1, 0)
921 GEN_INT_ARITH_ADD_CONST(addmeo, 0x17, -1LL, cpu_ca, 1, 1, 1)
922 /* addex */
923 GEN_INT_ARITH_ADD(addex, 0x05, cpu_ov, 1, 1, 0);
924 /* addze  addze.  addzeo  addzeo.*/
925 GEN_INT_ARITH_ADD_CONST(addze, 0x06, 0, cpu_ca, 1, 1, 0)
926 GEN_INT_ARITH_ADD_CONST(addzeo, 0x16, 0, cpu_ca, 1, 1, 1)
927 /* addi */
928 static void gen_addi(DisasContext *ctx)
929 {
930     target_long simm = SIMM(ctx->opcode);
931 
932     if (rA(ctx->opcode) == 0) {
933         /* li case */
934         tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], simm);
935     } else {
936         tcg_gen_addi_tl(cpu_gpr[rD(ctx->opcode)],
937                         cpu_gpr[rA(ctx->opcode)], simm);
938     }
939 }
940 /* addic  addic.*/
941 static inline void gen_op_addic(DisasContext *ctx, bool compute_rc0)
942 {
943     TCGv c = tcg_const_tl(SIMM(ctx->opcode));
944     gen_op_arith_add(ctx, cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
945                      c, cpu_ca, cpu_ca32, 0, 1, 0, compute_rc0);
946     tcg_temp_free(c);
947 }
948 
949 static void gen_addic(DisasContext *ctx)
950 {
951     gen_op_addic(ctx, 0);
952 }
953 
954 static void gen_addic_(DisasContext *ctx)
955 {
956     gen_op_addic(ctx, 1);
957 }
958 
959 /* addis */
960 static void gen_addis(DisasContext *ctx)
961 {
962     target_long simm = SIMM(ctx->opcode);
963 
964     if (rA(ctx->opcode) == 0) {
965         /* lis case */
966         tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], simm << 16);
967     } else {
968         tcg_gen_addi_tl(cpu_gpr[rD(ctx->opcode)],
969                         cpu_gpr[rA(ctx->opcode)], simm << 16);
970     }
971 }
972 
973 /* addpcis */
974 static void gen_addpcis(DisasContext *ctx)
975 {
976     target_long d = DX(ctx->opcode);
977 
978     tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], ctx->base.pc_next + (d << 16));
979 }
980 
981 static inline void gen_op_arith_divw(DisasContext *ctx, TCGv ret, TCGv arg1,
982                                      TCGv arg2, int sign, int compute_ov)
983 {
984     TCGv_i32 t0 = tcg_temp_new_i32();
985     TCGv_i32 t1 = tcg_temp_new_i32();
986     TCGv_i32 t2 = tcg_temp_new_i32();
987     TCGv_i32 t3 = tcg_temp_new_i32();
988 
989     tcg_gen_trunc_tl_i32(t0, arg1);
990     tcg_gen_trunc_tl_i32(t1, arg2);
991     if (sign) {
992         tcg_gen_setcondi_i32(TCG_COND_EQ, t2, t0, INT_MIN);
993         tcg_gen_setcondi_i32(TCG_COND_EQ, t3, t1, -1);
994         tcg_gen_and_i32(t2, t2, t3);
995         tcg_gen_setcondi_i32(TCG_COND_EQ, t3, t1, 0);
996         tcg_gen_or_i32(t2, t2, t3);
997         tcg_gen_movi_i32(t3, 0);
998         tcg_gen_movcond_i32(TCG_COND_NE, t1, t2, t3, t2, t1);
999         tcg_gen_div_i32(t3, t0, t1);
1000         tcg_gen_extu_i32_tl(ret, t3);
1001     } else {
1002         tcg_gen_setcondi_i32(TCG_COND_EQ, t2, t1, 0);
1003         tcg_gen_movi_i32(t3, 0);
1004         tcg_gen_movcond_i32(TCG_COND_NE, t1, t2, t3, t2, t1);
1005         tcg_gen_divu_i32(t3, t0, t1);
1006         tcg_gen_extu_i32_tl(ret, t3);
1007     }
1008     if (compute_ov) {
1009         tcg_gen_extu_i32_tl(cpu_ov, t2);
1010         if (is_isa300(ctx)) {
1011             tcg_gen_extu_i32_tl(cpu_ov32, t2);
1012         }
1013         tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov);
1014     }
1015     tcg_temp_free_i32(t0);
1016     tcg_temp_free_i32(t1);
1017     tcg_temp_free_i32(t2);
1018     tcg_temp_free_i32(t3);
1019 
1020     if (unlikely(Rc(ctx->opcode) != 0))
1021         gen_set_Rc0(ctx, ret);
1022 }
1023 /* Div functions */
1024 #define GEN_INT_ARITH_DIVW(name, opc3, sign, compute_ov)                      \
1025 static void glue(gen_, name)(DisasContext *ctx)                                       \
1026 {                                                                             \
1027     gen_op_arith_divw(ctx, cpu_gpr[rD(ctx->opcode)],                          \
1028                      cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],      \
1029                      sign, compute_ov);                                       \
1030 }
1031 /* divwu  divwu.  divwuo  divwuo.   */
1032 GEN_INT_ARITH_DIVW(divwu, 0x0E, 0, 0);
1033 GEN_INT_ARITH_DIVW(divwuo, 0x1E, 0, 1);
1034 /* divw  divw.  divwo  divwo.   */
1035 GEN_INT_ARITH_DIVW(divw, 0x0F, 1, 0);
1036 GEN_INT_ARITH_DIVW(divwo, 0x1F, 1, 1);
1037 
1038 /* div[wd]eu[o][.] */
1039 #define GEN_DIVE(name, hlpr, compute_ov)                                      \
1040 static void gen_##name(DisasContext *ctx)                                     \
1041 {                                                                             \
1042     TCGv_i32 t0 = tcg_const_i32(compute_ov);                                  \
1043     gen_helper_##hlpr(cpu_gpr[rD(ctx->opcode)], cpu_env,                      \
1044                      cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], t0); \
1045     tcg_temp_free_i32(t0);                                                    \
1046     if (unlikely(Rc(ctx->opcode) != 0)) {                                     \
1047         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);                           \
1048     }                                                                         \
1049 }
1050 
1051 GEN_DIVE(divweu, divweu, 0);
1052 GEN_DIVE(divweuo, divweu, 1);
1053 GEN_DIVE(divwe, divwe, 0);
1054 GEN_DIVE(divweo, divwe, 1);
1055 
1056 #if defined(TARGET_PPC64)
1057 static inline void gen_op_arith_divd(DisasContext *ctx, TCGv ret, TCGv arg1,
1058                                      TCGv arg2, int sign, int compute_ov)
1059 {
1060     TCGv_i64 t0 = tcg_temp_new_i64();
1061     TCGv_i64 t1 = tcg_temp_new_i64();
1062     TCGv_i64 t2 = tcg_temp_new_i64();
1063     TCGv_i64 t3 = tcg_temp_new_i64();
1064 
1065     tcg_gen_mov_i64(t0, arg1);
1066     tcg_gen_mov_i64(t1, arg2);
1067     if (sign) {
1068         tcg_gen_setcondi_i64(TCG_COND_EQ, t2, t0, INT64_MIN);
1069         tcg_gen_setcondi_i64(TCG_COND_EQ, t3, t1, -1);
1070         tcg_gen_and_i64(t2, t2, t3);
1071         tcg_gen_setcondi_i64(TCG_COND_EQ, t3, t1, 0);
1072         tcg_gen_or_i64(t2, t2, t3);
1073         tcg_gen_movi_i64(t3, 0);
1074         tcg_gen_movcond_i64(TCG_COND_NE, t1, t2, t3, t2, t1);
1075         tcg_gen_div_i64(ret, t0, t1);
1076     } else {
1077         tcg_gen_setcondi_i64(TCG_COND_EQ, t2, t1, 0);
1078         tcg_gen_movi_i64(t3, 0);
1079         tcg_gen_movcond_i64(TCG_COND_NE, t1, t2, t3, t2, t1);
1080         tcg_gen_divu_i64(ret, t0, t1);
1081     }
1082     if (compute_ov) {
1083         tcg_gen_mov_tl(cpu_ov, t2);
1084         if (is_isa300(ctx)) {
1085             tcg_gen_mov_tl(cpu_ov32, t2);
1086         }
1087         tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov);
1088     }
1089     tcg_temp_free_i64(t0);
1090     tcg_temp_free_i64(t1);
1091     tcg_temp_free_i64(t2);
1092     tcg_temp_free_i64(t3);
1093 
1094     if (unlikely(Rc(ctx->opcode) != 0))
1095         gen_set_Rc0(ctx, ret);
1096 }
1097 
1098 #define GEN_INT_ARITH_DIVD(name, opc3, sign, compute_ov)                      \
1099 static void glue(gen_, name)(DisasContext *ctx)                                       \
1100 {                                                                             \
1101     gen_op_arith_divd(ctx, cpu_gpr[rD(ctx->opcode)],                          \
1102                       cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],     \
1103                       sign, compute_ov);                                      \
1104 }
1105 /* divdu  divdu.  divduo  divduo.   */
1106 GEN_INT_ARITH_DIVD(divdu, 0x0E, 0, 0);
1107 GEN_INT_ARITH_DIVD(divduo, 0x1E, 0, 1);
1108 /* divd  divd.  divdo  divdo.   */
1109 GEN_INT_ARITH_DIVD(divd, 0x0F, 1, 0);
1110 GEN_INT_ARITH_DIVD(divdo, 0x1F, 1, 1);
1111 
1112 GEN_DIVE(divdeu, divdeu, 0);
1113 GEN_DIVE(divdeuo, divdeu, 1);
1114 GEN_DIVE(divde, divde, 0);
1115 GEN_DIVE(divdeo, divde, 1);
1116 #endif
1117 
1118 static inline void gen_op_arith_modw(DisasContext *ctx, TCGv ret, TCGv arg1,
1119                                      TCGv arg2, int sign)
1120 {
1121     TCGv_i32 t0 = tcg_temp_new_i32();
1122     TCGv_i32 t1 = tcg_temp_new_i32();
1123 
1124     tcg_gen_trunc_tl_i32(t0, arg1);
1125     tcg_gen_trunc_tl_i32(t1, arg2);
1126     if (sign) {
1127         TCGv_i32 t2 = tcg_temp_new_i32();
1128         TCGv_i32 t3 = tcg_temp_new_i32();
1129         tcg_gen_setcondi_i32(TCG_COND_EQ, t2, t0, INT_MIN);
1130         tcg_gen_setcondi_i32(TCG_COND_EQ, t3, t1, -1);
1131         tcg_gen_and_i32(t2, t2, t3);
1132         tcg_gen_setcondi_i32(TCG_COND_EQ, t3, t1, 0);
1133         tcg_gen_or_i32(t2, t2, t3);
1134         tcg_gen_movi_i32(t3, 0);
1135         tcg_gen_movcond_i32(TCG_COND_NE, t1, t2, t3, t2, t1);
1136         tcg_gen_rem_i32(t3, t0, t1);
1137         tcg_gen_ext_i32_tl(ret, t3);
1138         tcg_temp_free_i32(t2);
1139         tcg_temp_free_i32(t3);
1140     } else {
1141         TCGv_i32 t2 = tcg_const_i32(1);
1142         TCGv_i32 t3 = tcg_const_i32(0);
1143         tcg_gen_movcond_i32(TCG_COND_EQ, t1, t1, t3, t2, t1);
1144         tcg_gen_remu_i32(t3, t0, t1);
1145         tcg_gen_extu_i32_tl(ret, t3);
1146         tcg_temp_free_i32(t2);
1147         tcg_temp_free_i32(t3);
1148     }
1149     tcg_temp_free_i32(t0);
1150     tcg_temp_free_i32(t1);
1151 }
1152 
1153 #define GEN_INT_ARITH_MODW(name, opc3, sign)                                \
1154 static void glue(gen_, name)(DisasContext *ctx)                             \
1155 {                                                                           \
1156     gen_op_arith_modw(ctx, cpu_gpr[rD(ctx->opcode)],                        \
1157                       cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],   \
1158                       sign);                                                \
1159 }
1160 
1161 GEN_INT_ARITH_MODW(moduw, 0x08, 0);
1162 GEN_INT_ARITH_MODW(modsw, 0x18, 1);
1163 
1164 #if defined(TARGET_PPC64)
1165 static inline void gen_op_arith_modd(DisasContext *ctx, TCGv ret, TCGv arg1,
1166                                      TCGv arg2, int sign)
1167 {
1168     TCGv_i64 t0 = tcg_temp_new_i64();
1169     TCGv_i64 t1 = tcg_temp_new_i64();
1170 
1171     tcg_gen_mov_i64(t0, arg1);
1172     tcg_gen_mov_i64(t1, arg2);
1173     if (sign) {
1174         TCGv_i64 t2 = tcg_temp_new_i64();
1175         TCGv_i64 t3 = tcg_temp_new_i64();
1176         tcg_gen_setcondi_i64(TCG_COND_EQ, t2, t0, INT64_MIN);
1177         tcg_gen_setcondi_i64(TCG_COND_EQ, t3, t1, -1);
1178         tcg_gen_and_i64(t2, t2, t3);
1179         tcg_gen_setcondi_i64(TCG_COND_EQ, t3, t1, 0);
1180         tcg_gen_or_i64(t2, t2, t3);
1181         tcg_gen_movi_i64(t3, 0);
1182         tcg_gen_movcond_i64(TCG_COND_NE, t1, t2, t3, t2, t1);
1183         tcg_gen_rem_i64(ret, t0, t1);
1184         tcg_temp_free_i64(t2);
1185         tcg_temp_free_i64(t3);
1186     } else {
1187         TCGv_i64 t2 = tcg_const_i64(1);
1188         TCGv_i64 t3 = tcg_const_i64(0);
1189         tcg_gen_movcond_i64(TCG_COND_EQ, t1, t1, t3, t2, t1);
1190         tcg_gen_remu_i64(ret, t0, t1);
1191         tcg_temp_free_i64(t2);
1192         tcg_temp_free_i64(t3);
1193     }
1194     tcg_temp_free_i64(t0);
1195     tcg_temp_free_i64(t1);
1196 }
1197 
1198 #define GEN_INT_ARITH_MODD(name, opc3, sign)                            \
1199 static void glue(gen_, name)(DisasContext *ctx)                           \
1200 {                                                                         \
1201   gen_op_arith_modd(ctx, cpu_gpr[rD(ctx->opcode)],                        \
1202                     cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],   \
1203                     sign);                                                \
1204 }
1205 
1206 GEN_INT_ARITH_MODD(modud, 0x08, 0);
1207 GEN_INT_ARITH_MODD(modsd, 0x18, 1);
1208 #endif
1209 
1210 /* mulhw  mulhw. */
1211 static void gen_mulhw(DisasContext *ctx)
1212 {
1213     TCGv_i32 t0 = tcg_temp_new_i32();
1214     TCGv_i32 t1 = tcg_temp_new_i32();
1215 
1216     tcg_gen_trunc_tl_i32(t0, cpu_gpr[rA(ctx->opcode)]);
1217     tcg_gen_trunc_tl_i32(t1, cpu_gpr[rB(ctx->opcode)]);
1218     tcg_gen_muls2_i32(t0, t1, t0, t1);
1219     tcg_gen_extu_i32_tl(cpu_gpr[rD(ctx->opcode)], t1);
1220     tcg_temp_free_i32(t0);
1221     tcg_temp_free_i32(t1);
1222     if (unlikely(Rc(ctx->opcode) != 0))
1223         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
1224 }
1225 
1226 /* mulhwu  mulhwu.  */
1227 static void gen_mulhwu(DisasContext *ctx)
1228 {
1229     TCGv_i32 t0 = tcg_temp_new_i32();
1230     TCGv_i32 t1 = tcg_temp_new_i32();
1231 
1232     tcg_gen_trunc_tl_i32(t0, cpu_gpr[rA(ctx->opcode)]);
1233     tcg_gen_trunc_tl_i32(t1, cpu_gpr[rB(ctx->opcode)]);
1234     tcg_gen_mulu2_i32(t0, t1, t0, t1);
1235     tcg_gen_extu_i32_tl(cpu_gpr[rD(ctx->opcode)], t1);
1236     tcg_temp_free_i32(t0);
1237     tcg_temp_free_i32(t1);
1238     if (unlikely(Rc(ctx->opcode) != 0))
1239         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
1240 }
1241 
1242 /* mullw  mullw. */
1243 static void gen_mullw(DisasContext *ctx)
1244 {
1245 #if defined(TARGET_PPC64)
1246     TCGv_i64 t0, t1;
1247     t0 = tcg_temp_new_i64();
1248     t1 = tcg_temp_new_i64();
1249     tcg_gen_ext32s_tl(t0, cpu_gpr[rA(ctx->opcode)]);
1250     tcg_gen_ext32s_tl(t1, cpu_gpr[rB(ctx->opcode)]);
1251     tcg_gen_mul_i64(cpu_gpr[rD(ctx->opcode)], t0, t1);
1252     tcg_temp_free(t0);
1253     tcg_temp_free(t1);
1254 #else
1255     tcg_gen_mul_i32(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
1256                     cpu_gpr[rB(ctx->opcode)]);
1257 #endif
1258     if (unlikely(Rc(ctx->opcode) != 0))
1259         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
1260 }
1261 
1262 /* mullwo  mullwo. */
1263 static void gen_mullwo(DisasContext *ctx)
1264 {
1265     TCGv_i32 t0 = tcg_temp_new_i32();
1266     TCGv_i32 t1 = tcg_temp_new_i32();
1267 
1268     tcg_gen_trunc_tl_i32(t0, cpu_gpr[rA(ctx->opcode)]);
1269     tcg_gen_trunc_tl_i32(t1, cpu_gpr[rB(ctx->opcode)]);
1270     tcg_gen_muls2_i32(t0, t1, t0, t1);
1271 #if defined(TARGET_PPC64)
1272     tcg_gen_concat_i32_i64(cpu_gpr[rD(ctx->opcode)], t0, t1);
1273 #else
1274     tcg_gen_mov_i32(cpu_gpr[rD(ctx->opcode)], t0);
1275 #endif
1276 
1277     tcg_gen_sari_i32(t0, t0, 31);
1278     tcg_gen_setcond_i32(TCG_COND_NE, t0, t0, t1);
1279     tcg_gen_extu_i32_tl(cpu_ov, t0);
1280     if (is_isa300(ctx)) {
1281         tcg_gen_mov_tl(cpu_ov32, cpu_ov);
1282     }
1283     tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov);
1284 
1285     tcg_temp_free_i32(t0);
1286     tcg_temp_free_i32(t1);
1287     if (unlikely(Rc(ctx->opcode) != 0))
1288         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
1289 }
1290 
1291 /* mulli */
1292 static void gen_mulli(DisasContext *ctx)
1293 {
1294     tcg_gen_muli_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
1295                     SIMM(ctx->opcode));
1296 }
1297 
1298 #if defined(TARGET_PPC64)
1299 /* mulhd  mulhd. */
1300 static void gen_mulhd(DisasContext *ctx)
1301 {
1302     TCGv lo = tcg_temp_new();
1303     tcg_gen_muls2_tl(lo, cpu_gpr[rD(ctx->opcode)],
1304                      cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
1305     tcg_temp_free(lo);
1306     if (unlikely(Rc(ctx->opcode) != 0)) {
1307         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
1308     }
1309 }
1310 
1311 /* mulhdu  mulhdu. */
1312 static void gen_mulhdu(DisasContext *ctx)
1313 {
1314     TCGv lo = tcg_temp_new();
1315     tcg_gen_mulu2_tl(lo, cpu_gpr[rD(ctx->opcode)],
1316                      cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
1317     tcg_temp_free(lo);
1318     if (unlikely(Rc(ctx->opcode) != 0)) {
1319         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
1320     }
1321 }
1322 
1323 /* mulld  mulld. */
1324 static void gen_mulld(DisasContext *ctx)
1325 {
1326     tcg_gen_mul_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
1327                    cpu_gpr[rB(ctx->opcode)]);
1328     if (unlikely(Rc(ctx->opcode) != 0))
1329         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
1330 }
1331 
1332 /* mulldo  mulldo. */
1333 static void gen_mulldo(DisasContext *ctx)
1334 {
1335     TCGv_i64 t0 = tcg_temp_new_i64();
1336     TCGv_i64 t1 = tcg_temp_new_i64();
1337 
1338     tcg_gen_muls2_i64(t0, t1, cpu_gpr[rA(ctx->opcode)],
1339                       cpu_gpr[rB(ctx->opcode)]);
1340     tcg_gen_mov_i64(cpu_gpr[rD(ctx->opcode)], t0);
1341 
1342     tcg_gen_sari_i64(t0, t0, 63);
1343     tcg_gen_setcond_i64(TCG_COND_NE, cpu_ov, t0, t1);
1344     if (is_isa300(ctx)) {
1345         tcg_gen_mov_tl(cpu_ov32, cpu_ov);
1346     }
1347     tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov);
1348 
1349     tcg_temp_free_i64(t0);
1350     tcg_temp_free_i64(t1);
1351 
1352     if (unlikely(Rc(ctx->opcode) != 0)) {
1353         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
1354     }
1355 }
1356 #endif
1357 
1358 /* Common subf function */
1359 static inline void gen_op_arith_subf(DisasContext *ctx, TCGv ret, TCGv arg1,
1360                                      TCGv arg2, bool add_ca, bool compute_ca,
1361                                      bool compute_ov, bool compute_rc0)
1362 {
1363     TCGv t0 = ret;
1364 
1365     if (compute_ca || compute_ov) {
1366         t0 = tcg_temp_new();
1367     }
1368 
1369     if (compute_ca) {
1370         /* dest = ~arg1 + arg2 [+ ca].  */
1371         if (NARROW_MODE(ctx)) {
1372             /* Caution: a non-obvious corner case of the spec is that we
1373                must produce the *entire* 64-bit addition, but produce the
1374                carry into bit 32.  */
1375             TCGv inv1 = tcg_temp_new();
1376             TCGv t1 = tcg_temp_new();
1377             tcg_gen_not_tl(inv1, arg1);
1378             if (add_ca) {
1379                 tcg_gen_add_tl(t0, arg2, cpu_ca);
1380             } else {
1381                 tcg_gen_addi_tl(t0, arg2, 1);
1382             }
1383             tcg_gen_xor_tl(t1, arg2, inv1);         /* add without carry */
1384             tcg_gen_add_tl(t0, t0, inv1);
1385             tcg_temp_free(inv1);
1386             tcg_gen_xor_tl(cpu_ca, t0, t1);         /* bits changes w/ carry */
1387             tcg_temp_free(t1);
1388             tcg_gen_extract_tl(cpu_ca, cpu_ca, 32, 1);
1389             if (is_isa300(ctx)) {
1390                 tcg_gen_mov_tl(cpu_ca32, cpu_ca);
1391             }
1392         } else if (add_ca) {
1393             TCGv zero, inv1 = tcg_temp_new();
1394             tcg_gen_not_tl(inv1, arg1);
1395             zero = tcg_const_tl(0);
1396             tcg_gen_add2_tl(t0, cpu_ca, arg2, zero, cpu_ca, zero);
1397             tcg_gen_add2_tl(t0, cpu_ca, t0, cpu_ca, inv1, zero);
1398             gen_op_arith_compute_ca32(ctx, t0, inv1, arg2, cpu_ca32, 0);
1399             tcg_temp_free(zero);
1400             tcg_temp_free(inv1);
1401         } else {
1402             tcg_gen_setcond_tl(TCG_COND_GEU, cpu_ca, arg2, arg1);
1403             tcg_gen_sub_tl(t0, arg2, arg1);
1404             gen_op_arith_compute_ca32(ctx, t0, arg1, arg2, cpu_ca32, 1);
1405         }
1406     } else if (add_ca) {
1407         /* Since we're ignoring carry-out, we can simplify the
1408            standard ~arg1 + arg2 + ca to arg2 - arg1 + ca - 1.  */
1409         tcg_gen_sub_tl(t0, arg2, arg1);
1410         tcg_gen_add_tl(t0, t0, cpu_ca);
1411         tcg_gen_subi_tl(t0, t0, 1);
1412     } else {
1413         tcg_gen_sub_tl(t0, arg2, arg1);
1414     }
1415 
1416     if (compute_ov) {
1417         gen_op_arith_compute_ov(ctx, t0, arg1, arg2, 1);
1418     }
1419     if (unlikely(compute_rc0)) {
1420         gen_set_Rc0(ctx, t0);
1421     }
1422 
1423     if (t0 != ret) {
1424         tcg_gen_mov_tl(ret, t0);
1425         tcg_temp_free(t0);
1426     }
1427 }
1428 /* Sub functions with Two operands functions */
1429 #define GEN_INT_ARITH_SUBF(name, opc3, add_ca, compute_ca, compute_ov)        \
1430 static void glue(gen_, name)(DisasContext *ctx)                               \
1431 {                                                                             \
1432     gen_op_arith_subf(ctx, cpu_gpr[rD(ctx->opcode)],                          \
1433                       cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],     \
1434                       add_ca, compute_ca, compute_ov, Rc(ctx->opcode));       \
1435 }
1436 /* Sub functions with one operand and one immediate */
1437 #define GEN_INT_ARITH_SUBF_CONST(name, opc3, const_val,                       \
1438                                 add_ca, compute_ca, compute_ov)               \
1439 static void glue(gen_, name)(DisasContext *ctx)                               \
1440 {                                                                             \
1441     TCGv t0 = tcg_const_tl(const_val);                                        \
1442     gen_op_arith_subf(ctx, cpu_gpr[rD(ctx->opcode)],                          \
1443                       cpu_gpr[rA(ctx->opcode)], t0,                           \
1444                       add_ca, compute_ca, compute_ov, Rc(ctx->opcode));       \
1445     tcg_temp_free(t0);                                                        \
1446 }
1447 /* subf  subf.  subfo  subfo. */
1448 GEN_INT_ARITH_SUBF(subf, 0x01, 0, 0, 0)
1449 GEN_INT_ARITH_SUBF(subfo, 0x11, 0, 0, 1)
1450 /* subfc  subfc.  subfco  subfco. */
1451 GEN_INT_ARITH_SUBF(subfc, 0x00, 0, 1, 0)
1452 GEN_INT_ARITH_SUBF(subfco, 0x10, 0, 1, 1)
1453 /* subfe  subfe.  subfeo  subfo. */
1454 GEN_INT_ARITH_SUBF(subfe, 0x04, 1, 1, 0)
1455 GEN_INT_ARITH_SUBF(subfeo, 0x14, 1, 1, 1)
1456 /* subfme  subfme.  subfmeo  subfmeo.  */
1457 GEN_INT_ARITH_SUBF_CONST(subfme, 0x07, -1LL, 1, 1, 0)
1458 GEN_INT_ARITH_SUBF_CONST(subfmeo, 0x17, -1LL, 1, 1, 1)
1459 /* subfze  subfze.  subfzeo  subfzeo.*/
1460 GEN_INT_ARITH_SUBF_CONST(subfze, 0x06, 0, 1, 1, 0)
1461 GEN_INT_ARITH_SUBF_CONST(subfzeo, 0x16, 0, 1, 1, 1)
1462 
1463 /* subfic */
1464 static void gen_subfic(DisasContext *ctx)
1465 {
1466     TCGv c = tcg_const_tl(SIMM(ctx->opcode));
1467     gen_op_arith_subf(ctx, cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
1468                       c, 0, 1, 0, 0);
1469     tcg_temp_free(c);
1470 }
1471 
1472 /* neg neg. nego nego. */
1473 static inline void gen_op_arith_neg(DisasContext *ctx, bool compute_ov)
1474 {
1475     TCGv zero = tcg_const_tl(0);
1476     gen_op_arith_subf(ctx, cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
1477                       zero, 0, 0, compute_ov, Rc(ctx->opcode));
1478     tcg_temp_free(zero);
1479 }
1480 
1481 static void gen_neg(DisasContext *ctx)
1482 {
1483     tcg_gen_neg_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
1484     if (unlikely(Rc(ctx->opcode))) {
1485         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
1486     }
1487 }
1488 
1489 static void gen_nego(DisasContext *ctx)
1490 {
1491     gen_op_arith_neg(ctx, 1);
1492 }
1493 
1494 /***                            Integer logical                            ***/
1495 #define GEN_LOGICAL2(name, tcg_op, opc, type)                                 \
1496 static void glue(gen_, name)(DisasContext *ctx)                                       \
1497 {                                                                             \
1498     tcg_op(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)],                \
1499        cpu_gpr[rB(ctx->opcode)]);                                             \
1500     if (unlikely(Rc(ctx->opcode) != 0))                                       \
1501         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);                           \
1502 }
1503 
1504 #define GEN_LOGICAL1(name, tcg_op, opc, type)                                 \
1505 static void glue(gen_, name)(DisasContext *ctx)                                       \
1506 {                                                                             \
1507     tcg_op(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);               \
1508     if (unlikely(Rc(ctx->opcode) != 0))                                       \
1509         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);                           \
1510 }
1511 
1512 /* and & and. */
1513 GEN_LOGICAL2(and, tcg_gen_and_tl, 0x00, PPC_INTEGER);
1514 /* andc & andc. */
1515 GEN_LOGICAL2(andc, tcg_gen_andc_tl, 0x01, PPC_INTEGER);
1516 
1517 /* andi. */
1518 static void gen_andi_(DisasContext *ctx)
1519 {
1520     tcg_gen_andi_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], UIMM(ctx->opcode));
1521     gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
1522 }
1523 
1524 /* andis. */
1525 static void gen_andis_(DisasContext *ctx)
1526 {
1527     tcg_gen_andi_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], UIMM(ctx->opcode) << 16);
1528     gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
1529 }
1530 
1531 /* cntlzw */
1532 static void gen_cntlzw(DisasContext *ctx)
1533 {
1534     TCGv_i32 t = tcg_temp_new_i32();
1535 
1536     tcg_gen_trunc_tl_i32(t, cpu_gpr[rS(ctx->opcode)]);
1537     tcg_gen_clzi_i32(t, t, 32);
1538     tcg_gen_extu_i32_tl(cpu_gpr[rA(ctx->opcode)], t);
1539     tcg_temp_free_i32(t);
1540 
1541     if (unlikely(Rc(ctx->opcode) != 0))
1542         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
1543 }
1544 
1545 /* cnttzw */
1546 static void gen_cnttzw(DisasContext *ctx)
1547 {
1548     TCGv_i32 t = tcg_temp_new_i32();
1549 
1550     tcg_gen_trunc_tl_i32(t, cpu_gpr[rS(ctx->opcode)]);
1551     tcg_gen_ctzi_i32(t, t, 32);
1552     tcg_gen_extu_i32_tl(cpu_gpr[rA(ctx->opcode)], t);
1553     tcg_temp_free_i32(t);
1554 
1555     if (unlikely(Rc(ctx->opcode) != 0)) {
1556         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
1557     }
1558 }
1559 
1560 /* eqv & eqv. */
1561 GEN_LOGICAL2(eqv, tcg_gen_eqv_tl, 0x08, PPC_INTEGER);
1562 /* extsb & extsb. */
1563 GEN_LOGICAL1(extsb, tcg_gen_ext8s_tl, 0x1D, PPC_INTEGER);
1564 /* extsh & extsh. */
1565 GEN_LOGICAL1(extsh, tcg_gen_ext16s_tl, 0x1C, PPC_INTEGER);
1566 /* nand & nand. */
1567 GEN_LOGICAL2(nand, tcg_gen_nand_tl, 0x0E, PPC_INTEGER);
1568 /* nor & nor. */
1569 GEN_LOGICAL2(nor, tcg_gen_nor_tl, 0x03, PPC_INTEGER);
1570 
1571 #if defined(TARGET_PPC64) && !defined(CONFIG_USER_ONLY)
1572 static void gen_pause(DisasContext *ctx)
1573 {
1574     TCGv_i32 t0 = tcg_const_i32(0);
1575     tcg_gen_st_i32(t0, cpu_env,
1576                    -offsetof(PowerPCCPU, env) + offsetof(CPUState, halted));
1577     tcg_temp_free_i32(t0);
1578 
1579     /* Stop translation, this gives other CPUs a chance to run */
1580     gen_exception_nip(ctx, EXCP_HLT, ctx->base.pc_next);
1581 }
1582 #endif /* defined(TARGET_PPC64) */
1583 
1584 /* or & or. */
1585 static void gen_or(DisasContext *ctx)
1586 {
1587     int rs, ra, rb;
1588 
1589     rs = rS(ctx->opcode);
1590     ra = rA(ctx->opcode);
1591     rb = rB(ctx->opcode);
1592     /* Optimisation for mr. ri case */
1593     if (rs != ra || rs != rb) {
1594         if (rs != rb)
1595             tcg_gen_or_tl(cpu_gpr[ra], cpu_gpr[rs], cpu_gpr[rb]);
1596         else
1597             tcg_gen_mov_tl(cpu_gpr[ra], cpu_gpr[rs]);
1598         if (unlikely(Rc(ctx->opcode) != 0))
1599             gen_set_Rc0(ctx, cpu_gpr[ra]);
1600     } else if (unlikely(Rc(ctx->opcode) != 0)) {
1601         gen_set_Rc0(ctx, cpu_gpr[rs]);
1602 #if defined(TARGET_PPC64)
1603     } else if (rs != 0) { /* 0 is nop */
1604         int prio = 0;
1605 
1606         switch (rs) {
1607         case 1:
1608             /* Set process priority to low */
1609             prio = 2;
1610             break;
1611         case 6:
1612             /* Set process priority to medium-low */
1613             prio = 3;
1614             break;
1615         case 2:
1616             /* Set process priority to normal */
1617             prio = 4;
1618             break;
1619 #if !defined(CONFIG_USER_ONLY)
1620         case 31:
1621             if (!ctx->pr) {
1622                 /* Set process priority to very low */
1623                 prio = 1;
1624             }
1625             break;
1626         case 5:
1627             if (!ctx->pr) {
1628                 /* Set process priority to medium-hight */
1629                 prio = 5;
1630             }
1631             break;
1632         case 3:
1633             if (!ctx->pr) {
1634                 /* Set process priority to high */
1635                 prio = 6;
1636             }
1637             break;
1638         case 7:
1639             if (ctx->hv && !ctx->pr) {
1640                 /* Set process priority to very high */
1641                 prio = 7;
1642             }
1643             break;
1644 #endif
1645         default:
1646             break;
1647         }
1648         if (prio) {
1649             TCGv t0 = tcg_temp_new();
1650             gen_load_spr(t0, SPR_PPR);
1651             tcg_gen_andi_tl(t0, t0, ~0x001C000000000000ULL);
1652             tcg_gen_ori_tl(t0, t0, ((uint64_t)prio) << 50);
1653             gen_store_spr(SPR_PPR, t0);
1654             tcg_temp_free(t0);
1655         }
1656 #if !defined(CONFIG_USER_ONLY)
1657         /* Pause out of TCG otherwise spin loops with smt_low eat too much
1658          * CPU and the kernel hangs.  This applies to all encodings other
1659          * than no-op, e.g., miso(rs=26), yield(27), mdoio(29), mdoom(30),
1660          * and all currently undefined.
1661          */
1662         gen_pause(ctx);
1663 #endif
1664 #endif
1665     }
1666 }
1667 /* orc & orc. */
1668 GEN_LOGICAL2(orc, tcg_gen_orc_tl, 0x0C, PPC_INTEGER);
1669 
1670 /* xor & xor. */
1671 static void gen_xor(DisasContext *ctx)
1672 {
1673     /* Optimisation for "set to zero" case */
1674     if (rS(ctx->opcode) != rB(ctx->opcode))
1675         tcg_gen_xor_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
1676     else
1677         tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0);
1678     if (unlikely(Rc(ctx->opcode) != 0))
1679         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
1680 }
1681 
1682 /* ori */
1683 static void gen_ori(DisasContext *ctx)
1684 {
1685     target_ulong uimm = UIMM(ctx->opcode);
1686 
1687     if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) {
1688         return;
1689     }
1690     tcg_gen_ori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], uimm);
1691 }
1692 
1693 /* oris */
1694 static void gen_oris(DisasContext *ctx)
1695 {
1696     target_ulong uimm = UIMM(ctx->opcode);
1697 
1698     if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) {
1699         /* NOP */
1700         return;
1701     }
1702     tcg_gen_ori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], uimm << 16);
1703 }
1704 
1705 /* xori */
1706 static void gen_xori(DisasContext *ctx)
1707 {
1708     target_ulong uimm = UIMM(ctx->opcode);
1709 
1710     if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) {
1711         /* NOP */
1712         return;
1713     }
1714     tcg_gen_xori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], uimm);
1715 }
1716 
1717 /* xoris */
1718 static void gen_xoris(DisasContext *ctx)
1719 {
1720     target_ulong uimm = UIMM(ctx->opcode);
1721 
1722     if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) {
1723         /* NOP */
1724         return;
1725     }
1726     tcg_gen_xori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], uimm << 16);
1727 }
1728 
1729 /* popcntb : PowerPC 2.03 specification */
1730 static void gen_popcntb(DisasContext *ctx)
1731 {
1732     gen_helper_popcntb(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);
1733 }
1734 
1735 static void gen_popcntw(DisasContext *ctx)
1736 {
1737 #if defined(TARGET_PPC64)
1738     gen_helper_popcntw(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);
1739 #else
1740     tcg_gen_ctpop_i32(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);
1741 #endif
1742 }
1743 
1744 #if defined(TARGET_PPC64)
1745 /* popcntd: PowerPC 2.06 specification */
1746 static void gen_popcntd(DisasContext *ctx)
1747 {
1748     tcg_gen_ctpop_i64(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);
1749 }
1750 #endif
1751 
1752 /* prtyw: PowerPC 2.05 specification */
1753 static void gen_prtyw(DisasContext *ctx)
1754 {
1755     TCGv ra = cpu_gpr[rA(ctx->opcode)];
1756     TCGv rs = cpu_gpr[rS(ctx->opcode)];
1757     TCGv t0 = tcg_temp_new();
1758     tcg_gen_shri_tl(t0, rs, 16);
1759     tcg_gen_xor_tl(ra, rs, t0);
1760     tcg_gen_shri_tl(t0, ra, 8);
1761     tcg_gen_xor_tl(ra, ra, t0);
1762     tcg_gen_andi_tl(ra, ra, (target_ulong)0x100000001ULL);
1763     tcg_temp_free(t0);
1764 }
1765 
1766 #if defined(TARGET_PPC64)
1767 /* prtyd: PowerPC 2.05 specification */
1768 static void gen_prtyd(DisasContext *ctx)
1769 {
1770     TCGv ra = cpu_gpr[rA(ctx->opcode)];
1771     TCGv rs = cpu_gpr[rS(ctx->opcode)];
1772     TCGv t0 = tcg_temp_new();
1773     tcg_gen_shri_tl(t0, rs, 32);
1774     tcg_gen_xor_tl(ra, rs, t0);
1775     tcg_gen_shri_tl(t0, ra, 16);
1776     tcg_gen_xor_tl(ra, ra, t0);
1777     tcg_gen_shri_tl(t0, ra, 8);
1778     tcg_gen_xor_tl(ra, ra, t0);
1779     tcg_gen_andi_tl(ra, ra, 1);
1780     tcg_temp_free(t0);
1781 }
1782 #endif
1783 
1784 #if defined(TARGET_PPC64)
1785 /* bpermd */
1786 static void gen_bpermd(DisasContext *ctx)
1787 {
1788     gen_helper_bpermd(cpu_gpr[rA(ctx->opcode)],
1789                       cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
1790 }
1791 #endif
1792 
1793 #if defined(TARGET_PPC64)
1794 /* extsw & extsw. */
1795 GEN_LOGICAL1(extsw, tcg_gen_ext32s_tl, 0x1E, PPC_64B);
1796 
1797 /* cntlzd */
1798 static void gen_cntlzd(DisasContext *ctx)
1799 {
1800     tcg_gen_clzi_i64(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], 64);
1801     if (unlikely(Rc(ctx->opcode) != 0))
1802         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
1803 }
1804 
1805 /* cnttzd */
1806 static void gen_cnttzd(DisasContext *ctx)
1807 {
1808     tcg_gen_ctzi_i64(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], 64);
1809     if (unlikely(Rc(ctx->opcode) != 0)) {
1810         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
1811     }
1812 }
1813 
1814 /* darn */
1815 static void gen_darn(DisasContext *ctx)
1816 {
1817     int l = L(ctx->opcode);
1818 
1819     if (l == 0) {
1820         gen_helper_darn32(cpu_gpr[rD(ctx->opcode)]);
1821     } else if (l <= 2) {
1822         /* Return 64-bit random for both CRN and RRN */
1823         gen_helper_darn64(cpu_gpr[rD(ctx->opcode)]);
1824     } else {
1825         tcg_gen_movi_i64(cpu_gpr[rD(ctx->opcode)], -1);
1826     }
1827 }
1828 #endif
1829 
1830 /***                             Integer rotate                            ***/
1831 
1832 /* rlwimi & rlwimi. */
1833 static void gen_rlwimi(DisasContext *ctx)
1834 {
1835     TCGv t_ra = cpu_gpr[rA(ctx->opcode)];
1836     TCGv t_rs = cpu_gpr[rS(ctx->opcode)];
1837     uint32_t sh = SH(ctx->opcode);
1838     uint32_t mb = MB(ctx->opcode);
1839     uint32_t me = ME(ctx->opcode);
1840 
1841     if (sh == (31-me) && mb <= me) {
1842         tcg_gen_deposit_tl(t_ra, t_ra, t_rs, sh, me - mb + 1);
1843     } else {
1844         target_ulong mask;
1845         TCGv t1;
1846 
1847 #if defined(TARGET_PPC64)
1848         mb += 32;
1849         me += 32;
1850 #endif
1851         mask = MASK(mb, me);
1852 
1853         t1 = tcg_temp_new();
1854         if (mask <= 0xffffffffu) {
1855             TCGv_i32 t0 = tcg_temp_new_i32();
1856             tcg_gen_trunc_tl_i32(t0, t_rs);
1857             tcg_gen_rotli_i32(t0, t0, sh);
1858             tcg_gen_extu_i32_tl(t1, t0);
1859             tcg_temp_free_i32(t0);
1860         } else {
1861 #if defined(TARGET_PPC64)
1862             tcg_gen_deposit_i64(t1, t_rs, t_rs, 32, 32);
1863             tcg_gen_rotli_i64(t1, t1, sh);
1864 #else
1865             g_assert_not_reached();
1866 #endif
1867         }
1868 
1869         tcg_gen_andi_tl(t1, t1, mask);
1870         tcg_gen_andi_tl(t_ra, t_ra, ~mask);
1871         tcg_gen_or_tl(t_ra, t_ra, t1);
1872         tcg_temp_free(t1);
1873     }
1874     if (unlikely(Rc(ctx->opcode) != 0)) {
1875         gen_set_Rc0(ctx, t_ra);
1876     }
1877 }
1878 
1879 /* rlwinm & rlwinm. */
1880 static void gen_rlwinm(DisasContext *ctx)
1881 {
1882     TCGv t_ra = cpu_gpr[rA(ctx->opcode)];
1883     TCGv t_rs = cpu_gpr[rS(ctx->opcode)];
1884     int sh = SH(ctx->opcode);
1885     int mb = MB(ctx->opcode);
1886     int me = ME(ctx->opcode);
1887     int len = me - mb + 1;
1888     int rsh = (32 - sh) & 31;
1889 
1890     if (sh != 0 && len > 0 && me == (31 - sh)) {
1891         tcg_gen_deposit_z_tl(t_ra, t_rs, sh, len);
1892     } else if (me == 31 && rsh + len <= 32) {
1893         tcg_gen_extract_tl(t_ra, t_rs, rsh, len);
1894     } else {
1895         target_ulong mask;
1896 #if defined(TARGET_PPC64)
1897         mb += 32;
1898         me += 32;
1899 #endif
1900         mask = MASK(mb, me);
1901         if (sh == 0) {
1902             tcg_gen_andi_tl(t_ra, t_rs, mask);
1903         } else if (mask <= 0xffffffffu) {
1904             TCGv_i32 t0 = tcg_temp_new_i32();
1905             tcg_gen_trunc_tl_i32(t0, t_rs);
1906             tcg_gen_rotli_i32(t0, t0, sh);
1907             tcg_gen_andi_i32(t0, t0, mask);
1908             tcg_gen_extu_i32_tl(t_ra, t0);
1909             tcg_temp_free_i32(t0);
1910         } else {
1911 #if defined(TARGET_PPC64)
1912             tcg_gen_deposit_i64(t_ra, t_rs, t_rs, 32, 32);
1913             tcg_gen_rotli_i64(t_ra, t_ra, sh);
1914             tcg_gen_andi_i64(t_ra, t_ra, mask);
1915 #else
1916             g_assert_not_reached();
1917 #endif
1918         }
1919     }
1920     if (unlikely(Rc(ctx->opcode) != 0)) {
1921         gen_set_Rc0(ctx, t_ra);
1922     }
1923 }
1924 
1925 /* rlwnm & rlwnm. */
1926 static void gen_rlwnm(DisasContext *ctx)
1927 {
1928     TCGv t_ra = cpu_gpr[rA(ctx->opcode)];
1929     TCGv t_rs = cpu_gpr[rS(ctx->opcode)];
1930     TCGv t_rb = cpu_gpr[rB(ctx->opcode)];
1931     uint32_t mb = MB(ctx->opcode);
1932     uint32_t me = ME(ctx->opcode);
1933     target_ulong mask;
1934 
1935 #if defined(TARGET_PPC64)
1936     mb += 32;
1937     me += 32;
1938 #endif
1939     mask = MASK(mb, me);
1940 
1941     if (mask <= 0xffffffffu) {
1942         TCGv_i32 t0 = tcg_temp_new_i32();
1943         TCGv_i32 t1 = tcg_temp_new_i32();
1944         tcg_gen_trunc_tl_i32(t0, t_rb);
1945         tcg_gen_trunc_tl_i32(t1, t_rs);
1946         tcg_gen_andi_i32(t0, t0, 0x1f);
1947         tcg_gen_rotl_i32(t1, t1, t0);
1948         tcg_gen_extu_i32_tl(t_ra, t1);
1949         tcg_temp_free_i32(t0);
1950         tcg_temp_free_i32(t1);
1951     } else {
1952 #if defined(TARGET_PPC64)
1953         TCGv_i64 t0 = tcg_temp_new_i64();
1954         tcg_gen_andi_i64(t0, t_rb, 0x1f);
1955         tcg_gen_deposit_i64(t_ra, t_rs, t_rs, 32, 32);
1956         tcg_gen_rotl_i64(t_ra, t_ra, t0);
1957         tcg_temp_free_i64(t0);
1958 #else
1959         g_assert_not_reached();
1960 #endif
1961     }
1962 
1963     tcg_gen_andi_tl(t_ra, t_ra, mask);
1964 
1965     if (unlikely(Rc(ctx->opcode) != 0)) {
1966         gen_set_Rc0(ctx, t_ra);
1967     }
1968 }
1969 
1970 #if defined(TARGET_PPC64)
1971 #define GEN_PPC64_R2(name, opc1, opc2)                                        \
1972 static void glue(gen_, name##0)(DisasContext *ctx)                            \
1973 {                                                                             \
1974     gen_##name(ctx, 0);                                                       \
1975 }                                                                             \
1976                                                                               \
1977 static void glue(gen_, name##1)(DisasContext *ctx)                            \
1978 {                                                                             \
1979     gen_##name(ctx, 1);                                                       \
1980 }
1981 #define GEN_PPC64_R4(name, opc1, opc2)                                        \
1982 static void glue(gen_, name##0)(DisasContext *ctx)                            \
1983 {                                                                             \
1984     gen_##name(ctx, 0, 0);                                                    \
1985 }                                                                             \
1986                                                                               \
1987 static void glue(gen_, name##1)(DisasContext *ctx)                            \
1988 {                                                                             \
1989     gen_##name(ctx, 0, 1);                                                    \
1990 }                                                                             \
1991                                                                               \
1992 static void glue(gen_, name##2)(DisasContext *ctx)                            \
1993 {                                                                             \
1994     gen_##name(ctx, 1, 0);                                                    \
1995 }                                                                             \
1996                                                                               \
1997 static void glue(gen_, name##3)(DisasContext *ctx)                            \
1998 {                                                                             \
1999     gen_##name(ctx, 1, 1);                                                    \
2000 }
2001 
2002 static void gen_rldinm(DisasContext *ctx, int mb, int me, int sh)
2003 {
2004     TCGv t_ra = cpu_gpr[rA(ctx->opcode)];
2005     TCGv t_rs = cpu_gpr[rS(ctx->opcode)];
2006     int len = me - mb + 1;
2007     int rsh = (64 - sh) & 63;
2008 
2009     if (sh != 0 && len > 0 && me == (63 - sh)) {
2010         tcg_gen_deposit_z_tl(t_ra, t_rs, sh, len);
2011     } else if (me == 63 && rsh + len <= 64) {
2012         tcg_gen_extract_tl(t_ra, t_rs, rsh, len);
2013     } else {
2014         tcg_gen_rotli_tl(t_ra, t_rs, sh);
2015         tcg_gen_andi_tl(t_ra, t_ra, MASK(mb, me));
2016     }
2017     if (unlikely(Rc(ctx->opcode) != 0)) {
2018         gen_set_Rc0(ctx, t_ra);
2019     }
2020 }
2021 
2022 /* rldicl - rldicl. */
2023 static inline void gen_rldicl(DisasContext *ctx, int mbn, int shn)
2024 {
2025     uint32_t sh, mb;
2026 
2027     sh = SH(ctx->opcode) | (shn << 5);
2028     mb = MB(ctx->opcode) | (mbn << 5);
2029     gen_rldinm(ctx, mb, 63, sh);
2030 }
2031 GEN_PPC64_R4(rldicl, 0x1E, 0x00);
2032 
2033 /* rldicr - rldicr. */
2034 static inline void gen_rldicr(DisasContext *ctx, int men, int shn)
2035 {
2036     uint32_t sh, me;
2037 
2038     sh = SH(ctx->opcode) | (shn << 5);
2039     me = MB(ctx->opcode) | (men << 5);
2040     gen_rldinm(ctx, 0, me, sh);
2041 }
2042 GEN_PPC64_R4(rldicr, 0x1E, 0x02);
2043 
2044 /* rldic - rldic. */
2045 static inline void gen_rldic(DisasContext *ctx, int mbn, int shn)
2046 {
2047     uint32_t sh, mb;
2048 
2049     sh = SH(ctx->opcode) | (shn << 5);
2050     mb = MB(ctx->opcode) | (mbn << 5);
2051     gen_rldinm(ctx, mb, 63 - sh, sh);
2052 }
2053 GEN_PPC64_R4(rldic, 0x1E, 0x04);
2054 
2055 static void gen_rldnm(DisasContext *ctx, int mb, int me)
2056 {
2057     TCGv t_ra = cpu_gpr[rA(ctx->opcode)];
2058     TCGv t_rs = cpu_gpr[rS(ctx->opcode)];
2059     TCGv t_rb = cpu_gpr[rB(ctx->opcode)];
2060     TCGv t0;
2061 
2062     t0 = tcg_temp_new();
2063     tcg_gen_andi_tl(t0, t_rb, 0x3f);
2064     tcg_gen_rotl_tl(t_ra, t_rs, t0);
2065     tcg_temp_free(t0);
2066 
2067     tcg_gen_andi_tl(t_ra, t_ra, MASK(mb, me));
2068     if (unlikely(Rc(ctx->opcode) != 0)) {
2069         gen_set_Rc0(ctx, t_ra);
2070     }
2071 }
2072 
2073 /* rldcl - rldcl. */
2074 static inline void gen_rldcl(DisasContext *ctx, int mbn)
2075 {
2076     uint32_t mb;
2077 
2078     mb = MB(ctx->opcode) | (mbn << 5);
2079     gen_rldnm(ctx, mb, 63);
2080 }
2081 GEN_PPC64_R2(rldcl, 0x1E, 0x08);
2082 
2083 /* rldcr - rldcr. */
2084 static inline void gen_rldcr(DisasContext *ctx, int men)
2085 {
2086     uint32_t me;
2087 
2088     me = MB(ctx->opcode) | (men << 5);
2089     gen_rldnm(ctx, 0, me);
2090 }
2091 GEN_PPC64_R2(rldcr, 0x1E, 0x09);
2092 
2093 /* rldimi - rldimi. */
2094 static void gen_rldimi(DisasContext *ctx, int mbn, int shn)
2095 {
2096     TCGv t_ra = cpu_gpr[rA(ctx->opcode)];
2097     TCGv t_rs = cpu_gpr[rS(ctx->opcode)];
2098     uint32_t sh = SH(ctx->opcode) | (shn << 5);
2099     uint32_t mb = MB(ctx->opcode) | (mbn << 5);
2100     uint32_t me = 63 - sh;
2101 
2102     if (mb <= me) {
2103         tcg_gen_deposit_tl(t_ra, t_ra, t_rs, sh, me - mb + 1);
2104     } else {
2105         target_ulong mask = MASK(mb, me);
2106         TCGv t1 = tcg_temp_new();
2107 
2108         tcg_gen_rotli_tl(t1, t_rs, sh);
2109         tcg_gen_andi_tl(t1, t1, mask);
2110         tcg_gen_andi_tl(t_ra, t_ra, ~mask);
2111         tcg_gen_or_tl(t_ra, t_ra, t1);
2112         tcg_temp_free(t1);
2113     }
2114     if (unlikely(Rc(ctx->opcode) != 0)) {
2115         gen_set_Rc0(ctx, t_ra);
2116     }
2117 }
2118 GEN_PPC64_R4(rldimi, 0x1E, 0x06);
2119 #endif
2120 
2121 /***                             Integer shift                             ***/
2122 
2123 /* slw & slw. */
2124 static void gen_slw(DisasContext *ctx)
2125 {
2126     TCGv t0, t1;
2127 
2128     t0 = tcg_temp_new();
2129     /* AND rS with a mask that is 0 when rB >= 0x20 */
2130 #if defined(TARGET_PPC64)
2131     tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x3a);
2132     tcg_gen_sari_tl(t0, t0, 0x3f);
2133 #else
2134     tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1a);
2135     tcg_gen_sari_tl(t0, t0, 0x1f);
2136 #endif
2137     tcg_gen_andc_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
2138     t1 = tcg_temp_new();
2139     tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1f);
2140     tcg_gen_shl_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
2141     tcg_temp_free(t1);
2142     tcg_temp_free(t0);
2143     tcg_gen_ext32u_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
2144     if (unlikely(Rc(ctx->opcode) != 0))
2145         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
2146 }
2147 
2148 /* sraw & sraw. */
2149 static void gen_sraw(DisasContext *ctx)
2150 {
2151     gen_helper_sraw(cpu_gpr[rA(ctx->opcode)], cpu_env,
2152                     cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
2153     if (unlikely(Rc(ctx->opcode) != 0))
2154         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
2155 }
2156 
2157 /* srawi & srawi. */
2158 static void gen_srawi(DisasContext *ctx)
2159 {
2160     int sh = SH(ctx->opcode);
2161     TCGv dst = cpu_gpr[rA(ctx->opcode)];
2162     TCGv src = cpu_gpr[rS(ctx->opcode)];
2163     if (sh == 0) {
2164         tcg_gen_ext32s_tl(dst, src);
2165         tcg_gen_movi_tl(cpu_ca, 0);
2166         if (is_isa300(ctx)) {
2167             tcg_gen_movi_tl(cpu_ca32, 0);
2168         }
2169     } else {
2170         TCGv t0;
2171         tcg_gen_ext32s_tl(dst, src);
2172         tcg_gen_andi_tl(cpu_ca, dst, (1ULL << sh) - 1);
2173         t0 = tcg_temp_new();
2174         tcg_gen_sari_tl(t0, dst, TARGET_LONG_BITS - 1);
2175         tcg_gen_and_tl(cpu_ca, cpu_ca, t0);
2176         tcg_temp_free(t0);
2177         tcg_gen_setcondi_tl(TCG_COND_NE, cpu_ca, cpu_ca, 0);
2178         if (is_isa300(ctx)) {
2179             tcg_gen_mov_tl(cpu_ca32, cpu_ca);
2180         }
2181         tcg_gen_sari_tl(dst, dst, sh);
2182     }
2183     if (unlikely(Rc(ctx->opcode) != 0)) {
2184         gen_set_Rc0(ctx, dst);
2185     }
2186 }
2187 
2188 /* srw & srw. */
2189 static void gen_srw(DisasContext *ctx)
2190 {
2191     TCGv t0, t1;
2192 
2193     t0 = tcg_temp_new();
2194     /* AND rS with a mask that is 0 when rB >= 0x20 */
2195 #if defined(TARGET_PPC64)
2196     tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x3a);
2197     tcg_gen_sari_tl(t0, t0, 0x3f);
2198 #else
2199     tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1a);
2200     tcg_gen_sari_tl(t0, t0, 0x1f);
2201 #endif
2202     tcg_gen_andc_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
2203     tcg_gen_ext32u_tl(t0, t0);
2204     t1 = tcg_temp_new();
2205     tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1f);
2206     tcg_gen_shr_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
2207     tcg_temp_free(t1);
2208     tcg_temp_free(t0);
2209     if (unlikely(Rc(ctx->opcode) != 0))
2210         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
2211 }
2212 
2213 #if defined(TARGET_PPC64)
2214 /* sld & sld. */
2215 static void gen_sld(DisasContext *ctx)
2216 {
2217     TCGv t0, t1;
2218 
2219     t0 = tcg_temp_new();
2220     /* AND rS with a mask that is 0 when rB >= 0x40 */
2221     tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x39);
2222     tcg_gen_sari_tl(t0, t0, 0x3f);
2223     tcg_gen_andc_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
2224     t1 = tcg_temp_new();
2225     tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x3f);
2226     tcg_gen_shl_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
2227     tcg_temp_free(t1);
2228     tcg_temp_free(t0);
2229     if (unlikely(Rc(ctx->opcode) != 0))
2230         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
2231 }
2232 
2233 /* srad & srad. */
2234 static void gen_srad(DisasContext *ctx)
2235 {
2236     gen_helper_srad(cpu_gpr[rA(ctx->opcode)], cpu_env,
2237                     cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
2238     if (unlikely(Rc(ctx->opcode) != 0))
2239         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
2240 }
2241 /* sradi & sradi. */
2242 static inline void gen_sradi(DisasContext *ctx, int n)
2243 {
2244     int sh = SH(ctx->opcode) + (n << 5);
2245     TCGv dst = cpu_gpr[rA(ctx->opcode)];
2246     TCGv src = cpu_gpr[rS(ctx->opcode)];
2247     if (sh == 0) {
2248         tcg_gen_mov_tl(dst, src);
2249         tcg_gen_movi_tl(cpu_ca, 0);
2250         if (is_isa300(ctx)) {
2251             tcg_gen_movi_tl(cpu_ca32, 0);
2252         }
2253     } else {
2254         TCGv t0;
2255         tcg_gen_andi_tl(cpu_ca, src, (1ULL << sh) - 1);
2256         t0 = tcg_temp_new();
2257         tcg_gen_sari_tl(t0, src, TARGET_LONG_BITS - 1);
2258         tcg_gen_and_tl(cpu_ca, cpu_ca, t0);
2259         tcg_temp_free(t0);
2260         tcg_gen_setcondi_tl(TCG_COND_NE, cpu_ca, cpu_ca, 0);
2261         if (is_isa300(ctx)) {
2262             tcg_gen_mov_tl(cpu_ca32, cpu_ca);
2263         }
2264         tcg_gen_sari_tl(dst, src, sh);
2265     }
2266     if (unlikely(Rc(ctx->opcode) != 0)) {
2267         gen_set_Rc0(ctx, dst);
2268     }
2269 }
2270 
2271 static void gen_sradi0(DisasContext *ctx)
2272 {
2273     gen_sradi(ctx, 0);
2274 }
2275 
2276 static void gen_sradi1(DisasContext *ctx)
2277 {
2278     gen_sradi(ctx, 1);
2279 }
2280 
2281 /* extswsli & extswsli. */
2282 static inline void gen_extswsli(DisasContext *ctx, int n)
2283 {
2284     int sh = SH(ctx->opcode) + (n << 5);
2285     TCGv dst = cpu_gpr[rA(ctx->opcode)];
2286     TCGv src = cpu_gpr[rS(ctx->opcode)];
2287 
2288     tcg_gen_ext32s_tl(dst, src);
2289     tcg_gen_shli_tl(dst, dst, sh);
2290     if (unlikely(Rc(ctx->opcode) != 0)) {
2291         gen_set_Rc0(ctx, dst);
2292     }
2293 }
2294 
2295 static void gen_extswsli0(DisasContext *ctx)
2296 {
2297     gen_extswsli(ctx, 0);
2298 }
2299 
2300 static void gen_extswsli1(DisasContext *ctx)
2301 {
2302     gen_extswsli(ctx, 1);
2303 }
2304 
2305 /* srd & srd. */
2306 static void gen_srd(DisasContext *ctx)
2307 {
2308     TCGv t0, t1;
2309 
2310     t0 = tcg_temp_new();
2311     /* AND rS with a mask that is 0 when rB >= 0x40 */
2312     tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x39);
2313     tcg_gen_sari_tl(t0, t0, 0x3f);
2314     tcg_gen_andc_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
2315     t1 = tcg_temp_new();
2316     tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x3f);
2317     tcg_gen_shr_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
2318     tcg_temp_free(t1);
2319     tcg_temp_free(t0);
2320     if (unlikely(Rc(ctx->opcode) != 0))
2321         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
2322 }
2323 #endif
2324 
2325 /***                           Addressing modes                            ***/
2326 /* Register indirect with immediate index : EA = (rA|0) + SIMM */
2327 static inline void gen_addr_imm_index(DisasContext *ctx, TCGv EA,
2328                                       target_long maskl)
2329 {
2330     target_long simm = SIMM(ctx->opcode);
2331 
2332     simm &= ~maskl;
2333     if (rA(ctx->opcode) == 0) {
2334         if (NARROW_MODE(ctx)) {
2335             simm = (uint32_t)simm;
2336         }
2337         tcg_gen_movi_tl(EA, simm);
2338     } else if (likely(simm != 0)) {
2339         tcg_gen_addi_tl(EA, cpu_gpr[rA(ctx->opcode)], simm);
2340         if (NARROW_MODE(ctx)) {
2341             tcg_gen_ext32u_tl(EA, EA);
2342         }
2343     } else {
2344         if (NARROW_MODE(ctx)) {
2345             tcg_gen_ext32u_tl(EA, cpu_gpr[rA(ctx->opcode)]);
2346         } else {
2347             tcg_gen_mov_tl(EA, cpu_gpr[rA(ctx->opcode)]);
2348         }
2349     }
2350 }
2351 
2352 static inline void gen_addr_reg_index(DisasContext *ctx, TCGv EA)
2353 {
2354     if (rA(ctx->opcode) == 0) {
2355         if (NARROW_MODE(ctx)) {
2356             tcg_gen_ext32u_tl(EA, cpu_gpr[rB(ctx->opcode)]);
2357         } else {
2358             tcg_gen_mov_tl(EA, cpu_gpr[rB(ctx->opcode)]);
2359         }
2360     } else {
2361         tcg_gen_add_tl(EA, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
2362         if (NARROW_MODE(ctx)) {
2363             tcg_gen_ext32u_tl(EA, EA);
2364         }
2365     }
2366 }
2367 
2368 static inline void gen_addr_register(DisasContext *ctx, TCGv EA)
2369 {
2370     if (rA(ctx->opcode) == 0) {
2371         tcg_gen_movi_tl(EA, 0);
2372     } else if (NARROW_MODE(ctx)) {
2373         tcg_gen_ext32u_tl(EA, cpu_gpr[rA(ctx->opcode)]);
2374     } else {
2375         tcg_gen_mov_tl(EA, cpu_gpr[rA(ctx->opcode)]);
2376     }
2377 }
2378 
2379 static inline void gen_addr_add(DisasContext *ctx, TCGv ret, TCGv arg1,
2380                                 target_long val)
2381 {
2382     tcg_gen_addi_tl(ret, arg1, val);
2383     if (NARROW_MODE(ctx)) {
2384         tcg_gen_ext32u_tl(ret, ret);
2385     }
2386 }
2387 
2388 static inline void gen_align_no_le(DisasContext *ctx)
2389 {
2390     gen_exception_err(ctx, POWERPC_EXCP_ALIGN,
2391                       (ctx->opcode & 0x03FF0000) | POWERPC_EXCP_ALIGN_LE);
2392 }
2393 
2394 /***                             Integer load                              ***/
2395 #define DEF_MEMOP(op) ((op) | ctx->default_tcg_memop_mask)
2396 #define BSWAP_MEMOP(op) ((op) | (ctx->default_tcg_memop_mask ^ MO_BSWAP))
2397 
2398 #define GEN_QEMU_LOAD_TL(ldop, op)                                      \
2399 static void glue(gen_qemu_, ldop)(DisasContext *ctx,                    \
2400                                   TCGv val,                             \
2401                                   TCGv addr)                            \
2402 {                                                                       \
2403     tcg_gen_qemu_ld_tl(val, addr, ctx->mem_idx, op);                    \
2404 }
2405 
2406 GEN_QEMU_LOAD_TL(ld8u,  DEF_MEMOP(MO_UB))
2407 GEN_QEMU_LOAD_TL(ld16u, DEF_MEMOP(MO_UW))
2408 GEN_QEMU_LOAD_TL(ld16s, DEF_MEMOP(MO_SW))
2409 GEN_QEMU_LOAD_TL(ld32u, DEF_MEMOP(MO_UL))
2410 GEN_QEMU_LOAD_TL(ld32s, DEF_MEMOP(MO_SL))
2411 
2412 GEN_QEMU_LOAD_TL(ld16ur, BSWAP_MEMOP(MO_UW))
2413 GEN_QEMU_LOAD_TL(ld32ur, BSWAP_MEMOP(MO_UL))
2414 
2415 #define GEN_QEMU_LOAD_64(ldop, op)                                  \
2416 static void glue(gen_qemu_, glue(ldop, _i64))(DisasContext *ctx,    \
2417                                              TCGv_i64 val,          \
2418                                              TCGv addr)             \
2419 {                                                                   \
2420     tcg_gen_qemu_ld_i64(val, addr, ctx->mem_idx, op);               \
2421 }
2422 
2423 GEN_QEMU_LOAD_64(ld8u,  DEF_MEMOP(MO_UB))
2424 GEN_QEMU_LOAD_64(ld16u, DEF_MEMOP(MO_UW))
2425 GEN_QEMU_LOAD_64(ld32u, DEF_MEMOP(MO_UL))
2426 GEN_QEMU_LOAD_64(ld32s, DEF_MEMOP(MO_SL))
2427 GEN_QEMU_LOAD_64(ld64,  DEF_MEMOP(MO_Q))
2428 
2429 #if defined(TARGET_PPC64)
2430 GEN_QEMU_LOAD_64(ld64ur, BSWAP_MEMOP(MO_Q))
2431 #endif
2432 
2433 #define GEN_QEMU_STORE_TL(stop, op)                                     \
2434 static void glue(gen_qemu_, stop)(DisasContext *ctx,                    \
2435                                   TCGv val,                             \
2436                                   TCGv addr)                            \
2437 {                                                                       \
2438     tcg_gen_qemu_st_tl(val, addr, ctx->mem_idx, op);                    \
2439 }
2440 
2441 GEN_QEMU_STORE_TL(st8,  DEF_MEMOP(MO_UB))
2442 GEN_QEMU_STORE_TL(st16, DEF_MEMOP(MO_UW))
2443 GEN_QEMU_STORE_TL(st32, DEF_MEMOP(MO_UL))
2444 
2445 GEN_QEMU_STORE_TL(st16r, BSWAP_MEMOP(MO_UW))
2446 GEN_QEMU_STORE_TL(st32r, BSWAP_MEMOP(MO_UL))
2447 
2448 #define GEN_QEMU_STORE_64(stop, op)                               \
2449 static void glue(gen_qemu_, glue(stop, _i64))(DisasContext *ctx,  \
2450                                               TCGv_i64 val,       \
2451                                               TCGv addr)          \
2452 {                                                                 \
2453     tcg_gen_qemu_st_i64(val, addr, ctx->mem_idx, op);             \
2454 }
2455 
2456 GEN_QEMU_STORE_64(st8,  DEF_MEMOP(MO_UB))
2457 GEN_QEMU_STORE_64(st16, DEF_MEMOP(MO_UW))
2458 GEN_QEMU_STORE_64(st32, DEF_MEMOP(MO_UL))
2459 GEN_QEMU_STORE_64(st64, DEF_MEMOP(MO_Q))
2460 
2461 #if defined(TARGET_PPC64)
2462 GEN_QEMU_STORE_64(st64r, BSWAP_MEMOP(MO_Q))
2463 #endif
2464 
2465 #define GEN_LD(name, ldop, opc, type)                                         \
2466 static void glue(gen_, name)(DisasContext *ctx)                                       \
2467 {                                                                             \
2468     TCGv EA;                                                                  \
2469     gen_set_access_type(ctx, ACCESS_INT);                                     \
2470     EA = tcg_temp_new();                                                      \
2471     gen_addr_imm_index(ctx, EA, 0);                                           \
2472     gen_qemu_##ldop(ctx, cpu_gpr[rD(ctx->opcode)], EA);                       \
2473     tcg_temp_free(EA);                                                        \
2474 }
2475 
2476 #define GEN_LDU(name, ldop, opc, type)                                        \
2477 static void glue(gen_, name##u)(DisasContext *ctx)                                    \
2478 {                                                                             \
2479     TCGv EA;                                                                  \
2480     if (unlikely(rA(ctx->opcode) == 0 ||                                      \
2481                  rA(ctx->opcode) == rD(ctx->opcode))) {                       \
2482         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);                   \
2483         return;                                                               \
2484     }                                                                         \
2485     gen_set_access_type(ctx, ACCESS_INT);                                     \
2486     EA = tcg_temp_new();                                                      \
2487     if (type == PPC_64B)                                                      \
2488         gen_addr_imm_index(ctx, EA, 0x03);                                    \
2489     else                                                                      \
2490         gen_addr_imm_index(ctx, EA, 0);                                       \
2491     gen_qemu_##ldop(ctx, cpu_gpr[rD(ctx->opcode)], EA);                       \
2492     tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA);                             \
2493     tcg_temp_free(EA);                                                        \
2494 }
2495 
2496 #define GEN_LDUX(name, ldop, opc2, opc3, type)                                \
2497 static void glue(gen_, name##ux)(DisasContext *ctx)                                   \
2498 {                                                                             \
2499     TCGv EA;                                                                  \
2500     if (unlikely(rA(ctx->opcode) == 0 ||                                      \
2501                  rA(ctx->opcode) == rD(ctx->opcode))) {                       \
2502         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);                   \
2503         return;                                                               \
2504     }                                                                         \
2505     gen_set_access_type(ctx, ACCESS_INT);                                     \
2506     EA = tcg_temp_new();                                                      \
2507     gen_addr_reg_index(ctx, EA);                                              \
2508     gen_qemu_##ldop(ctx, cpu_gpr[rD(ctx->opcode)], EA);                       \
2509     tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA);                             \
2510     tcg_temp_free(EA);                                                        \
2511 }
2512 
2513 #define GEN_LDX_E(name, ldop, opc2, opc3, type, type2, chk)                   \
2514 static void glue(gen_, name##x)(DisasContext *ctx)                            \
2515 {                                                                             \
2516     TCGv EA;                                                                  \
2517     chk;                                                                      \
2518     gen_set_access_type(ctx, ACCESS_INT);                                     \
2519     EA = tcg_temp_new();                                                      \
2520     gen_addr_reg_index(ctx, EA);                                              \
2521     gen_qemu_##ldop(ctx, cpu_gpr[rD(ctx->opcode)], EA);                       \
2522     tcg_temp_free(EA);                                                        \
2523 }
2524 
2525 #define GEN_LDX(name, ldop, opc2, opc3, type)                                 \
2526     GEN_LDX_E(name, ldop, opc2, opc3, type, PPC_NONE, CHK_NONE)
2527 
2528 #define GEN_LDX_HVRM(name, ldop, opc2, opc3, type)                            \
2529     GEN_LDX_E(name, ldop, opc2, opc3, type, PPC_NONE, CHK_HVRM)
2530 
2531 #define GEN_LDS(name, ldop, op, type)                                         \
2532 GEN_LD(name, ldop, op | 0x20, type);                                          \
2533 GEN_LDU(name, ldop, op | 0x21, type);                                         \
2534 GEN_LDUX(name, ldop, 0x17, op | 0x01, type);                                  \
2535 GEN_LDX(name, ldop, 0x17, op | 0x00, type)
2536 
2537 /* lbz lbzu lbzux lbzx */
2538 GEN_LDS(lbz, ld8u, 0x02, PPC_INTEGER);
2539 /* lha lhau lhaux lhax */
2540 GEN_LDS(lha, ld16s, 0x0A, PPC_INTEGER);
2541 /* lhz lhzu lhzux lhzx */
2542 GEN_LDS(lhz, ld16u, 0x08, PPC_INTEGER);
2543 /* lwz lwzu lwzux lwzx */
2544 GEN_LDS(lwz, ld32u, 0x00, PPC_INTEGER);
2545 
2546 #define GEN_LDEPX(name, ldop, opc2, opc3)                                     \
2547 static void glue(gen_, name##epx)(DisasContext *ctx)                          \
2548 {                                                                             \
2549     TCGv EA;                                                                  \
2550     CHK_SV;                                                                   \
2551     gen_set_access_type(ctx, ACCESS_INT);                                     \
2552     EA = tcg_temp_new();                                                      \
2553     gen_addr_reg_index(ctx, EA);                                              \
2554     tcg_gen_qemu_ld_tl(cpu_gpr[rD(ctx->opcode)], EA, PPC_TLB_EPID_LOAD, ldop);\
2555     tcg_temp_free(EA);                                                        \
2556 }
2557 
2558 GEN_LDEPX(lb, DEF_MEMOP(MO_UB), 0x1F, 0x02)
2559 GEN_LDEPX(lh, DEF_MEMOP(MO_UW), 0x1F, 0x08)
2560 GEN_LDEPX(lw, DEF_MEMOP(MO_UL), 0x1F, 0x00)
2561 #if defined(TARGET_PPC64)
2562 GEN_LDEPX(ld, DEF_MEMOP(MO_Q), 0x1D, 0x00)
2563 #endif
2564 
2565 #if defined(TARGET_PPC64)
2566 /* lwaux */
2567 GEN_LDUX(lwa, ld32s, 0x15, 0x0B, PPC_64B);
2568 /* lwax */
2569 GEN_LDX(lwa, ld32s, 0x15, 0x0A, PPC_64B);
2570 /* ldux */
2571 GEN_LDUX(ld, ld64_i64, 0x15, 0x01, PPC_64B);
2572 /* ldx */
2573 GEN_LDX(ld, ld64_i64, 0x15, 0x00, PPC_64B);
2574 
2575 /* CI load/store variants */
2576 GEN_LDX_HVRM(ldcix, ld64_i64, 0x15, 0x1b, PPC_CILDST)
2577 GEN_LDX_HVRM(lwzcix, ld32u, 0x15, 0x15, PPC_CILDST)
2578 GEN_LDX_HVRM(lhzcix, ld16u, 0x15, 0x19, PPC_CILDST)
2579 GEN_LDX_HVRM(lbzcix, ld8u, 0x15, 0x1a, PPC_CILDST)
2580 
2581 static void gen_ld(DisasContext *ctx)
2582 {
2583     TCGv EA;
2584     if (Rc(ctx->opcode)) {
2585         if (unlikely(rA(ctx->opcode) == 0 ||
2586                      rA(ctx->opcode) == rD(ctx->opcode))) {
2587             gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
2588             return;
2589         }
2590     }
2591     gen_set_access_type(ctx, ACCESS_INT);
2592     EA = tcg_temp_new();
2593     gen_addr_imm_index(ctx, EA, 0x03);
2594     if (ctx->opcode & 0x02) {
2595         /* lwa (lwau is undefined) */
2596         gen_qemu_ld32s(ctx, cpu_gpr[rD(ctx->opcode)], EA);
2597     } else {
2598         /* ld - ldu */
2599         gen_qemu_ld64_i64(ctx, cpu_gpr[rD(ctx->opcode)], EA);
2600     }
2601     if (Rc(ctx->opcode))
2602         tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA);
2603     tcg_temp_free(EA);
2604 }
2605 
2606 /* lq */
2607 static void gen_lq(DisasContext *ctx)
2608 {
2609     int ra, rd;
2610     TCGv EA, hi, lo;
2611 
2612     /* lq is a legal user mode instruction starting in ISA 2.07 */
2613     bool legal_in_user_mode = (ctx->insns_flags2 & PPC2_LSQ_ISA207) != 0;
2614     bool le_is_supported = (ctx->insns_flags2 & PPC2_LSQ_ISA207) != 0;
2615 
2616     if (!legal_in_user_mode && ctx->pr) {
2617         gen_priv_exception(ctx, POWERPC_EXCP_PRIV_OPC);
2618         return;
2619     }
2620 
2621     if (!le_is_supported && ctx->le_mode) {
2622         gen_align_no_le(ctx);
2623         return;
2624     }
2625     ra = rA(ctx->opcode);
2626     rd = rD(ctx->opcode);
2627     if (unlikely((rd & 1) || rd == ra)) {
2628         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
2629         return;
2630     }
2631 
2632     gen_set_access_type(ctx, ACCESS_INT);
2633     EA = tcg_temp_new();
2634     gen_addr_imm_index(ctx, EA, 0x0F);
2635 
2636     /* Note that the low part is always in RD+1, even in LE mode.  */
2637     lo = cpu_gpr[rd + 1];
2638     hi = cpu_gpr[rd];
2639 
2640     if (tb_cflags(ctx->base.tb) & CF_PARALLEL) {
2641         if (HAVE_ATOMIC128) {
2642             TCGv_i32 oi = tcg_temp_new_i32();
2643             if (ctx->le_mode) {
2644                 tcg_gen_movi_i32(oi, make_memop_idx(MO_LEQ, ctx->mem_idx));
2645                 gen_helper_lq_le_parallel(lo, cpu_env, EA, oi);
2646             } else {
2647                 tcg_gen_movi_i32(oi, make_memop_idx(MO_BEQ, ctx->mem_idx));
2648                 gen_helper_lq_be_parallel(lo, cpu_env, EA, oi);
2649             }
2650             tcg_temp_free_i32(oi);
2651             tcg_gen_ld_i64(hi, cpu_env, offsetof(CPUPPCState, retxh));
2652         } else {
2653             /* Restart with exclusive lock.  */
2654             gen_helper_exit_atomic(cpu_env);
2655             ctx->base.is_jmp = DISAS_NORETURN;
2656         }
2657     } else if (ctx->le_mode) {
2658         tcg_gen_qemu_ld_i64(lo, EA, ctx->mem_idx, MO_LEQ);
2659         gen_addr_add(ctx, EA, EA, 8);
2660         tcg_gen_qemu_ld_i64(hi, EA, ctx->mem_idx, MO_LEQ);
2661     } else {
2662         tcg_gen_qemu_ld_i64(hi, EA, ctx->mem_idx, MO_BEQ);
2663         gen_addr_add(ctx, EA, EA, 8);
2664         tcg_gen_qemu_ld_i64(lo, EA, ctx->mem_idx, MO_BEQ);
2665     }
2666     tcg_temp_free(EA);
2667 }
2668 #endif
2669 
2670 /***                              Integer store                            ***/
2671 #define GEN_ST(name, stop, opc, type)                                         \
2672 static void glue(gen_, name)(DisasContext *ctx)                                       \
2673 {                                                                             \
2674     TCGv EA;                                                                  \
2675     gen_set_access_type(ctx, ACCESS_INT);                                     \
2676     EA = tcg_temp_new();                                                      \
2677     gen_addr_imm_index(ctx, EA, 0);                                           \
2678     gen_qemu_##stop(ctx, cpu_gpr[rS(ctx->opcode)], EA);                       \
2679     tcg_temp_free(EA);                                                        \
2680 }
2681 
2682 #define GEN_STU(name, stop, opc, type)                                        \
2683 static void glue(gen_, stop##u)(DisasContext *ctx)                                    \
2684 {                                                                             \
2685     TCGv EA;                                                                  \
2686     if (unlikely(rA(ctx->opcode) == 0)) {                                     \
2687         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);                   \
2688         return;                                                               \
2689     }                                                                         \
2690     gen_set_access_type(ctx, ACCESS_INT);                                     \
2691     EA = tcg_temp_new();                                                      \
2692     if (type == PPC_64B)                                                      \
2693         gen_addr_imm_index(ctx, EA, 0x03);                                    \
2694     else                                                                      \
2695         gen_addr_imm_index(ctx, EA, 0);                                       \
2696     gen_qemu_##stop(ctx, cpu_gpr[rS(ctx->opcode)], EA);                       \
2697     tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA);                             \
2698     tcg_temp_free(EA);                                                        \
2699 }
2700 
2701 #define GEN_STUX(name, stop, opc2, opc3, type)                                \
2702 static void glue(gen_, name##ux)(DisasContext *ctx)                                   \
2703 {                                                                             \
2704     TCGv EA;                                                                  \
2705     if (unlikely(rA(ctx->opcode) == 0)) {                                     \
2706         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);                   \
2707         return;                                                               \
2708     }                                                                         \
2709     gen_set_access_type(ctx, ACCESS_INT);                                     \
2710     EA = tcg_temp_new();                                                      \
2711     gen_addr_reg_index(ctx, EA);                                              \
2712     gen_qemu_##stop(ctx, cpu_gpr[rS(ctx->opcode)], EA);                       \
2713     tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA);                             \
2714     tcg_temp_free(EA);                                                        \
2715 }
2716 
2717 #define GEN_STX_E(name, stop, opc2, opc3, type, type2, chk)                   \
2718 static void glue(gen_, name##x)(DisasContext *ctx)                            \
2719 {                                                                             \
2720     TCGv EA;                                                                  \
2721     chk;                                                                      \
2722     gen_set_access_type(ctx, ACCESS_INT);                                     \
2723     EA = tcg_temp_new();                                                      \
2724     gen_addr_reg_index(ctx, EA);                                              \
2725     gen_qemu_##stop(ctx, cpu_gpr[rS(ctx->opcode)], EA);                       \
2726     tcg_temp_free(EA);                                                        \
2727 }
2728 #define GEN_STX(name, stop, opc2, opc3, type)                                 \
2729     GEN_STX_E(name, stop, opc2, opc3, type, PPC_NONE, CHK_NONE)
2730 
2731 #define GEN_STX_HVRM(name, stop, opc2, opc3, type)                            \
2732     GEN_STX_E(name, stop, opc2, opc3, type, PPC_NONE, CHK_HVRM)
2733 
2734 #define GEN_STS(name, stop, op, type)                                         \
2735 GEN_ST(name, stop, op | 0x20, type);                                          \
2736 GEN_STU(name, stop, op | 0x21, type);                                         \
2737 GEN_STUX(name, stop, 0x17, op | 0x01, type);                                  \
2738 GEN_STX(name, stop, 0x17, op | 0x00, type)
2739 
2740 /* stb stbu stbux stbx */
2741 GEN_STS(stb, st8, 0x06, PPC_INTEGER);
2742 /* sth sthu sthux sthx */
2743 GEN_STS(sth, st16, 0x0C, PPC_INTEGER);
2744 /* stw stwu stwux stwx */
2745 GEN_STS(stw, st32, 0x04, PPC_INTEGER);
2746 
2747 #define GEN_STEPX(name, stop, opc2, opc3)                                     \
2748 static void glue(gen_, name##epx)(DisasContext *ctx)                          \
2749 {                                                                             \
2750     TCGv EA;                                                                  \
2751     CHK_SV;                                                                   \
2752     gen_set_access_type(ctx, ACCESS_INT);                                     \
2753     EA = tcg_temp_new();                                                      \
2754     gen_addr_reg_index(ctx, EA);                                              \
2755     tcg_gen_qemu_st_tl(                                                       \
2756         cpu_gpr[rD(ctx->opcode)], EA, PPC_TLB_EPID_STORE, stop);              \
2757     tcg_temp_free(EA);                                                        \
2758 }
2759 
2760 GEN_STEPX(stb, DEF_MEMOP(MO_UB), 0x1F, 0x06)
2761 GEN_STEPX(sth, DEF_MEMOP(MO_UW), 0x1F, 0x0C)
2762 GEN_STEPX(stw, DEF_MEMOP(MO_UL), 0x1F, 0x04)
2763 #if defined(TARGET_PPC64)
2764 GEN_STEPX(std, DEF_MEMOP(MO_Q), 0x1d, 0x04)
2765 #endif
2766 
2767 #if defined(TARGET_PPC64)
2768 GEN_STUX(std, st64_i64, 0x15, 0x05, PPC_64B);
2769 GEN_STX(std, st64_i64, 0x15, 0x04, PPC_64B);
2770 GEN_STX_HVRM(stdcix, st64_i64, 0x15, 0x1f, PPC_CILDST)
2771 GEN_STX_HVRM(stwcix, st32, 0x15, 0x1c, PPC_CILDST)
2772 GEN_STX_HVRM(sthcix, st16, 0x15, 0x1d, PPC_CILDST)
2773 GEN_STX_HVRM(stbcix, st8, 0x15, 0x1e, PPC_CILDST)
2774 
2775 static void gen_std(DisasContext *ctx)
2776 {
2777     int rs;
2778     TCGv EA;
2779 
2780     rs = rS(ctx->opcode);
2781     if ((ctx->opcode & 0x3) == 0x2) { /* stq */
2782         bool legal_in_user_mode = (ctx->insns_flags2 & PPC2_LSQ_ISA207) != 0;
2783         bool le_is_supported = (ctx->insns_flags2 & PPC2_LSQ_ISA207) != 0;
2784         TCGv hi, lo;
2785 
2786         if (!(ctx->insns_flags & PPC_64BX)) {
2787             gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
2788         }
2789 
2790         if (!legal_in_user_mode && ctx->pr) {
2791             gen_priv_exception(ctx, POWERPC_EXCP_PRIV_OPC);
2792             return;
2793         }
2794 
2795         if (!le_is_supported && ctx->le_mode) {
2796             gen_align_no_le(ctx);
2797             return;
2798         }
2799 
2800         if (unlikely(rs & 1)) {
2801             gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
2802             return;
2803         }
2804         gen_set_access_type(ctx, ACCESS_INT);
2805         EA = tcg_temp_new();
2806         gen_addr_imm_index(ctx, EA, 0x03);
2807 
2808         /* Note that the low part is always in RS+1, even in LE mode.  */
2809         lo = cpu_gpr[rs + 1];
2810         hi = cpu_gpr[rs];
2811 
2812         if (tb_cflags(ctx->base.tb) & CF_PARALLEL) {
2813             if (HAVE_ATOMIC128) {
2814                 TCGv_i32 oi = tcg_temp_new_i32();
2815                 if (ctx->le_mode) {
2816                     tcg_gen_movi_i32(oi, make_memop_idx(MO_LEQ, ctx->mem_idx));
2817                     gen_helper_stq_le_parallel(cpu_env, EA, lo, hi, oi);
2818                 } else {
2819                     tcg_gen_movi_i32(oi, make_memop_idx(MO_BEQ, ctx->mem_idx));
2820                     gen_helper_stq_be_parallel(cpu_env, EA, lo, hi, oi);
2821                 }
2822                 tcg_temp_free_i32(oi);
2823             } else {
2824                 /* Restart with exclusive lock.  */
2825                 gen_helper_exit_atomic(cpu_env);
2826                 ctx->base.is_jmp = DISAS_NORETURN;
2827             }
2828         } else if (ctx->le_mode) {
2829             tcg_gen_qemu_st_i64(lo, EA, ctx->mem_idx, MO_LEQ);
2830             gen_addr_add(ctx, EA, EA, 8);
2831             tcg_gen_qemu_st_i64(hi, EA, ctx->mem_idx, MO_LEQ);
2832         } else {
2833             tcg_gen_qemu_st_i64(hi, EA, ctx->mem_idx, MO_BEQ);
2834             gen_addr_add(ctx, EA, EA, 8);
2835             tcg_gen_qemu_st_i64(lo, EA, ctx->mem_idx, MO_BEQ);
2836         }
2837         tcg_temp_free(EA);
2838     } else {
2839         /* std / stdu */
2840         if (Rc(ctx->opcode)) {
2841             if (unlikely(rA(ctx->opcode) == 0)) {
2842                 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
2843                 return;
2844             }
2845         }
2846         gen_set_access_type(ctx, ACCESS_INT);
2847         EA = tcg_temp_new();
2848         gen_addr_imm_index(ctx, EA, 0x03);
2849         gen_qemu_st64_i64(ctx, cpu_gpr[rs], EA);
2850         if (Rc(ctx->opcode))
2851             tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA);
2852         tcg_temp_free(EA);
2853     }
2854 }
2855 #endif
2856 /***                Integer load and store with byte reverse               ***/
2857 
2858 /* lhbrx */
2859 GEN_LDX(lhbr, ld16ur, 0x16, 0x18, PPC_INTEGER);
2860 
2861 /* lwbrx */
2862 GEN_LDX(lwbr, ld32ur, 0x16, 0x10, PPC_INTEGER);
2863 
2864 #if defined(TARGET_PPC64)
2865 /* ldbrx */
2866 GEN_LDX_E(ldbr, ld64ur_i64, 0x14, 0x10, PPC_NONE, PPC2_DBRX, CHK_NONE);
2867 /* stdbrx */
2868 GEN_STX_E(stdbr, st64r_i64, 0x14, 0x14, PPC_NONE, PPC2_DBRX, CHK_NONE);
2869 #endif  /* TARGET_PPC64 */
2870 
2871 /* sthbrx */
2872 GEN_STX(sthbr, st16r, 0x16, 0x1C, PPC_INTEGER);
2873 /* stwbrx */
2874 GEN_STX(stwbr, st32r, 0x16, 0x14, PPC_INTEGER);
2875 
2876 /***                    Integer load and store multiple                    ***/
2877 
2878 /* lmw */
2879 static void gen_lmw(DisasContext *ctx)
2880 {
2881     TCGv t0;
2882     TCGv_i32 t1;
2883 
2884     if (ctx->le_mode) {
2885         gen_align_no_le(ctx);
2886         return;
2887     }
2888     gen_set_access_type(ctx, ACCESS_INT);
2889     t0 = tcg_temp_new();
2890     t1 = tcg_const_i32(rD(ctx->opcode));
2891     gen_addr_imm_index(ctx, t0, 0);
2892     gen_helper_lmw(cpu_env, t0, t1);
2893     tcg_temp_free(t0);
2894     tcg_temp_free_i32(t1);
2895 }
2896 
2897 /* stmw */
2898 static void gen_stmw(DisasContext *ctx)
2899 {
2900     TCGv t0;
2901     TCGv_i32 t1;
2902 
2903     if (ctx->le_mode) {
2904         gen_align_no_le(ctx);
2905         return;
2906     }
2907     gen_set_access_type(ctx, ACCESS_INT);
2908     t0 = tcg_temp_new();
2909     t1 = tcg_const_i32(rS(ctx->opcode));
2910     gen_addr_imm_index(ctx, t0, 0);
2911     gen_helper_stmw(cpu_env, t0, t1);
2912     tcg_temp_free(t0);
2913     tcg_temp_free_i32(t1);
2914 }
2915 
2916 /***                    Integer load and store strings                     ***/
2917 
2918 /* lswi */
2919 /* PowerPC32 specification says we must generate an exception if
2920  * rA is in the range of registers to be loaded.
2921  * In an other hand, IBM says this is valid, but rA won't be loaded.
2922  * For now, I'll follow the spec...
2923  */
2924 static void gen_lswi(DisasContext *ctx)
2925 {
2926     TCGv t0;
2927     TCGv_i32 t1, t2;
2928     int nb = NB(ctx->opcode);
2929     int start = rD(ctx->opcode);
2930     int ra = rA(ctx->opcode);
2931     int nr;
2932 
2933     if (ctx->le_mode) {
2934         gen_align_no_le(ctx);
2935         return;
2936     }
2937     if (nb == 0)
2938         nb = 32;
2939     nr = DIV_ROUND_UP(nb, 4);
2940     if (unlikely(lsw_reg_in_range(start, nr, ra))) {
2941         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_LSWX);
2942         return;
2943     }
2944     gen_set_access_type(ctx, ACCESS_INT);
2945     t0 = tcg_temp_new();
2946     gen_addr_register(ctx, t0);
2947     t1 = tcg_const_i32(nb);
2948     t2 = tcg_const_i32(start);
2949     gen_helper_lsw(cpu_env, t0, t1, t2);
2950     tcg_temp_free(t0);
2951     tcg_temp_free_i32(t1);
2952     tcg_temp_free_i32(t2);
2953 }
2954 
2955 /* lswx */
2956 static void gen_lswx(DisasContext *ctx)
2957 {
2958     TCGv t0;
2959     TCGv_i32 t1, t2, t3;
2960 
2961     if (ctx->le_mode) {
2962         gen_align_no_le(ctx);
2963         return;
2964     }
2965     gen_set_access_type(ctx, ACCESS_INT);
2966     t0 = tcg_temp_new();
2967     gen_addr_reg_index(ctx, t0);
2968     t1 = tcg_const_i32(rD(ctx->opcode));
2969     t2 = tcg_const_i32(rA(ctx->opcode));
2970     t3 = tcg_const_i32(rB(ctx->opcode));
2971     gen_helper_lswx(cpu_env, t0, t1, t2, t3);
2972     tcg_temp_free(t0);
2973     tcg_temp_free_i32(t1);
2974     tcg_temp_free_i32(t2);
2975     tcg_temp_free_i32(t3);
2976 }
2977 
2978 /* stswi */
2979 static void gen_stswi(DisasContext *ctx)
2980 {
2981     TCGv t0;
2982     TCGv_i32 t1, t2;
2983     int nb = NB(ctx->opcode);
2984 
2985     if (ctx->le_mode) {
2986         gen_align_no_le(ctx);
2987         return;
2988     }
2989     gen_set_access_type(ctx, ACCESS_INT);
2990     t0 = tcg_temp_new();
2991     gen_addr_register(ctx, t0);
2992     if (nb == 0)
2993         nb = 32;
2994     t1 = tcg_const_i32(nb);
2995     t2 = tcg_const_i32(rS(ctx->opcode));
2996     gen_helper_stsw(cpu_env, t0, t1, t2);
2997     tcg_temp_free(t0);
2998     tcg_temp_free_i32(t1);
2999     tcg_temp_free_i32(t2);
3000 }
3001 
3002 /* stswx */
3003 static void gen_stswx(DisasContext *ctx)
3004 {
3005     TCGv t0;
3006     TCGv_i32 t1, t2;
3007 
3008     if (ctx->le_mode) {
3009         gen_align_no_le(ctx);
3010         return;
3011     }
3012     gen_set_access_type(ctx, ACCESS_INT);
3013     t0 = tcg_temp_new();
3014     gen_addr_reg_index(ctx, t0);
3015     t1 = tcg_temp_new_i32();
3016     tcg_gen_trunc_tl_i32(t1, cpu_xer);
3017     tcg_gen_andi_i32(t1, t1, 0x7F);
3018     t2 = tcg_const_i32(rS(ctx->opcode));
3019     gen_helper_stsw(cpu_env, t0, t1, t2);
3020     tcg_temp_free(t0);
3021     tcg_temp_free_i32(t1);
3022     tcg_temp_free_i32(t2);
3023 }
3024 
3025 /***                        Memory synchronisation                         ***/
3026 /* eieio */
3027 static void gen_eieio(DisasContext *ctx)
3028 {
3029     TCGBar bar = TCG_MO_LD_ST;
3030 
3031     /*
3032      * POWER9 has a eieio instruction variant using bit 6 as a hint to
3033      * tell the CPU it is a store-forwarding barrier.
3034      */
3035     if (ctx->opcode & 0x2000000) {
3036         /*
3037          * ISA says that "Reserved fields in instructions are ignored
3038          * by the processor". So ignore the bit 6 on non-POWER9 CPU but
3039          * as this is not an instruction software should be using,
3040          * complain to the user.
3041          */
3042         if (!(ctx->insns_flags2 & PPC2_ISA300)) {
3043             qemu_log_mask(LOG_GUEST_ERROR, "invalid eieio using bit 6 at @"
3044                           TARGET_FMT_lx "\n", ctx->base.pc_next - 4);
3045         } else {
3046             bar = TCG_MO_ST_LD;
3047         }
3048     }
3049 
3050     tcg_gen_mb(bar | TCG_BAR_SC);
3051 }
3052 
3053 #if !defined(CONFIG_USER_ONLY)
3054 static inline void gen_check_tlb_flush(DisasContext *ctx, bool global)
3055 {
3056     TCGv_i32 t;
3057     TCGLabel *l;
3058 
3059     if (!ctx->lazy_tlb_flush) {
3060         return;
3061     }
3062     l = gen_new_label();
3063     t = tcg_temp_new_i32();
3064     tcg_gen_ld_i32(t, cpu_env, offsetof(CPUPPCState, tlb_need_flush));
3065     tcg_gen_brcondi_i32(TCG_COND_EQ, t, 0, l);
3066     if (global) {
3067         gen_helper_check_tlb_flush_global(cpu_env);
3068     } else {
3069         gen_helper_check_tlb_flush_local(cpu_env);
3070     }
3071     gen_set_label(l);
3072     tcg_temp_free_i32(t);
3073 }
3074 #else
3075 static inline void gen_check_tlb_flush(DisasContext *ctx, bool global) { }
3076 #endif
3077 
3078 /* isync */
3079 static void gen_isync(DisasContext *ctx)
3080 {
3081     /*
3082      * We need to check for a pending TLB flush. This can only happen in
3083      * kernel mode however so check MSR_PR
3084      */
3085     if (!ctx->pr) {
3086         gen_check_tlb_flush(ctx, false);
3087     }
3088     tcg_gen_mb(TCG_MO_ALL | TCG_BAR_SC);
3089     gen_stop_exception(ctx);
3090 }
3091 
3092 #define MEMOP_GET_SIZE(x)  (1 << ((x) & MO_SIZE))
3093 
3094 static void gen_load_locked(DisasContext *ctx, TCGMemOp memop)
3095 {
3096     TCGv gpr = cpu_gpr[rD(ctx->opcode)];
3097     TCGv t0 = tcg_temp_new();
3098 
3099     gen_set_access_type(ctx, ACCESS_RES);
3100     gen_addr_reg_index(ctx, t0);
3101     tcg_gen_qemu_ld_tl(gpr, t0, ctx->mem_idx, memop | MO_ALIGN);
3102     tcg_gen_mov_tl(cpu_reserve, t0);
3103     tcg_gen_mov_tl(cpu_reserve_val, gpr);
3104     tcg_gen_mb(TCG_MO_ALL | TCG_BAR_LDAQ);
3105     tcg_temp_free(t0);
3106 }
3107 
3108 #define LARX(name, memop)                  \
3109 static void gen_##name(DisasContext *ctx)  \
3110 {                                          \
3111     gen_load_locked(ctx, memop);           \
3112 }
3113 
3114 /* lwarx */
3115 LARX(lbarx, DEF_MEMOP(MO_UB))
3116 LARX(lharx, DEF_MEMOP(MO_UW))
3117 LARX(lwarx, DEF_MEMOP(MO_UL))
3118 
3119 static void gen_fetch_inc_conditional(DisasContext *ctx, TCGMemOp memop,
3120                                       TCGv EA, TCGCond cond, int addend)
3121 {
3122     TCGv t = tcg_temp_new();
3123     TCGv t2 = tcg_temp_new();
3124     TCGv u = tcg_temp_new();
3125 
3126     tcg_gen_qemu_ld_tl(t, EA, ctx->mem_idx, memop);
3127     tcg_gen_addi_tl(t2, EA, MEMOP_GET_SIZE(memop));
3128     tcg_gen_qemu_ld_tl(t2, t2, ctx->mem_idx, memop);
3129     tcg_gen_addi_tl(u, t, addend);
3130 
3131     /* E.g. for fetch and increment bounded... */
3132     /* mem(EA,s) = (t != t2 ? u = t + 1 : t) */
3133     tcg_gen_movcond_tl(cond, u, t, t2, u, t);
3134     tcg_gen_qemu_st_tl(u, EA, ctx->mem_idx, memop);
3135 
3136     /* RT = (t != t2 ? t : u = 1<<(s*8-1)) */
3137     tcg_gen_movi_tl(u, 1 << (MEMOP_GET_SIZE(memop) * 8 - 1));
3138     tcg_gen_movcond_tl(cond, cpu_gpr[rD(ctx->opcode)], t, t2, t, u);
3139 
3140     tcg_temp_free(t);
3141     tcg_temp_free(t2);
3142     tcg_temp_free(u);
3143 }
3144 
3145 static void gen_ld_atomic(DisasContext *ctx, TCGMemOp memop)
3146 {
3147     uint32_t gpr_FC = FC(ctx->opcode);
3148     TCGv EA = tcg_temp_new();
3149     int rt = rD(ctx->opcode);
3150     bool need_serial;
3151     TCGv src, dst;
3152 
3153     gen_addr_register(ctx, EA);
3154     dst = cpu_gpr[rt];
3155     src = cpu_gpr[(rt + 1) & 31];
3156 
3157     need_serial = false;
3158     memop |= MO_ALIGN;
3159     switch (gpr_FC) {
3160     case 0: /* Fetch and add */
3161         tcg_gen_atomic_fetch_add_tl(dst, EA, src, ctx->mem_idx, memop);
3162         break;
3163     case 1: /* Fetch and xor */
3164         tcg_gen_atomic_fetch_xor_tl(dst, EA, src, ctx->mem_idx, memop);
3165         break;
3166     case 2: /* Fetch and or */
3167         tcg_gen_atomic_fetch_or_tl(dst, EA, src, ctx->mem_idx, memop);
3168         break;
3169     case 3: /* Fetch and 'and' */
3170         tcg_gen_atomic_fetch_and_tl(dst, EA, src, ctx->mem_idx, memop);
3171         break;
3172     case 4:  /* Fetch and max unsigned */
3173         tcg_gen_atomic_fetch_umax_tl(dst, EA, src, ctx->mem_idx, memop);
3174         break;
3175     case 5:  /* Fetch and max signed */
3176         tcg_gen_atomic_fetch_smax_tl(dst, EA, src, ctx->mem_idx, memop);
3177         break;
3178     case 6:  /* Fetch and min unsigned */
3179         tcg_gen_atomic_fetch_umin_tl(dst, EA, src, ctx->mem_idx, memop);
3180         break;
3181     case 7:  /* Fetch and min signed */
3182         tcg_gen_atomic_fetch_smin_tl(dst, EA, src, ctx->mem_idx, memop);
3183         break;
3184     case 8: /* Swap */
3185         tcg_gen_atomic_xchg_tl(dst, EA, src, ctx->mem_idx, memop);
3186         break;
3187 
3188     case 16: /* Compare and swap not equal */
3189         if (tb_cflags(ctx->base.tb) & CF_PARALLEL) {
3190             need_serial = true;
3191         } else {
3192             TCGv t0 = tcg_temp_new();
3193             TCGv t1 = tcg_temp_new();
3194 
3195             tcg_gen_qemu_ld_tl(t0, EA, ctx->mem_idx, memop);
3196             if ((memop & MO_SIZE) == MO_64 || TARGET_LONG_BITS == 32) {
3197                 tcg_gen_mov_tl(t1, src);
3198             } else {
3199                 tcg_gen_ext32u_tl(t1, src);
3200             }
3201             tcg_gen_movcond_tl(TCG_COND_NE, t1, t0, t1,
3202                                cpu_gpr[(rt + 2) & 31], t0);
3203             tcg_gen_qemu_st_tl(t1, EA, ctx->mem_idx, memop);
3204             tcg_gen_mov_tl(dst, t0);
3205 
3206             tcg_temp_free(t0);
3207             tcg_temp_free(t1);
3208         }
3209         break;
3210 
3211     case 24: /* Fetch and increment bounded */
3212         if (tb_cflags(ctx->base.tb) & CF_PARALLEL) {
3213             need_serial = true;
3214         } else {
3215             gen_fetch_inc_conditional(ctx, memop, EA, TCG_COND_NE, 1);
3216         }
3217         break;
3218     case 25: /* Fetch and increment equal */
3219         if (tb_cflags(ctx->base.tb) & CF_PARALLEL) {
3220             need_serial = true;
3221         } else {
3222             gen_fetch_inc_conditional(ctx, memop, EA, TCG_COND_EQ, 1);
3223         }
3224         break;
3225     case 28: /* Fetch and decrement bounded */
3226         if (tb_cflags(ctx->base.tb) & CF_PARALLEL) {
3227             need_serial = true;
3228         } else {
3229             gen_fetch_inc_conditional(ctx, memop, EA, TCG_COND_NE, -1);
3230         }
3231         break;
3232 
3233     default:
3234         /* invoke data storage error handler */
3235         gen_exception_err(ctx, POWERPC_EXCP_DSI, POWERPC_EXCP_INVAL);
3236     }
3237     tcg_temp_free(EA);
3238 
3239     if (need_serial) {
3240         /* Restart with exclusive lock.  */
3241         gen_helper_exit_atomic(cpu_env);
3242         ctx->base.is_jmp = DISAS_NORETURN;
3243     }
3244 }
3245 
3246 static void gen_lwat(DisasContext *ctx)
3247 {
3248     gen_ld_atomic(ctx, DEF_MEMOP(MO_UL));
3249 }
3250 
3251 #ifdef TARGET_PPC64
3252 static void gen_ldat(DisasContext *ctx)
3253 {
3254     gen_ld_atomic(ctx, DEF_MEMOP(MO_Q));
3255 }
3256 #endif
3257 
3258 static void gen_st_atomic(DisasContext *ctx, TCGMemOp memop)
3259 {
3260     uint32_t gpr_FC = FC(ctx->opcode);
3261     TCGv EA = tcg_temp_new();
3262     TCGv src, discard;
3263 
3264     gen_addr_register(ctx, EA);
3265     src = cpu_gpr[rD(ctx->opcode)];
3266     discard = tcg_temp_new();
3267 
3268     memop |= MO_ALIGN;
3269     switch (gpr_FC) {
3270     case 0: /* add and Store */
3271         tcg_gen_atomic_add_fetch_tl(discard, EA, src, ctx->mem_idx, memop);
3272         break;
3273     case 1: /* xor and Store */
3274         tcg_gen_atomic_xor_fetch_tl(discard, EA, src, ctx->mem_idx, memop);
3275         break;
3276     case 2: /* Or and Store */
3277         tcg_gen_atomic_or_fetch_tl(discard, EA, src, ctx->mem_idx, memop);
3278         break;
3279     case 3: /* 'and' and Store */
3280         tcg_gen_atomic_and_fetch_tl(discard, EA, src, ctx->mem_idx, memop);
3281         break;
3282     case 4:  /* Store max unsigned */
3283         tcg_gen_atomic_umax_fetch_tl(discard, EA, src, ctx->mem_idx, memop);
3284         break;
3285     case 5:  /* Store max signed */
3286         tcg_gen_atomic_smax_fetch_tl(discard, EA, src, ctx->mem_idx, memop);
3287         break;
3288     case 6:  /* Store min unsigned */
3289         tcg_gen_atomic_umin_fetch_tl(discard, EA, src, ctx->mem_idx, memop);
3290         break;
3291     case 7:  /* Store min signed */
3292         tcg_gen_atomic_smin_fetch_tl(discard, EA, src, ctx->mem_idx, memop);
3293         break;
3294     case 24: /* Store twin  */
3295         if (tb_cflags(ctx->base.tb) & CF_PARALLEL) {
3296             /* Restart with exclusive lock.  */
3297             gen_helper_exit_atomic(cpu_env);
3298             ctx->base.is_jmp = DISAS_NORETURN;
3299         } else {
3300             TCGv t = tcg_temp_new();
3301             TCGv t2 = tcg_temp_new();
3302             TCGv s = tcg_temp_new();
3303             TCGv s2 = tcg_temp_new();
3304             TCGv ea_plus_s = tcg_temp_new();
3305 
3306             tcg_gen_qemu_ld_tl(t, EA, ctx->mem_idx, memop);
3307             tcg_gen_addi_tl(ea_plus_s, EA, MEMOP_GET_SIZE(memop));
3308             tcg_gen_qemu_ld_tl(t2, ea_plus_s, ctx->mem_idx, memop);
3309             tcg_gen_movcond_tl(TCG_COND_EQ, s, t, t2, src, t);
3310             tcg_gen_movcond_tl(TCG_COND_EQ, s2, t, t2, src, t2);
3311             tcg_gen_qemu_st_tl(s, EA, ctx->mem_idx, memop);
3312             tcg_gen_qemu_st_tl(s2, ea_plus_s, ctx->mem_idx, memop);
3313 
3314             tcg_temp_free(ea_plus_s);
3315             tcg_temp_free(s2);
3316             tcg_temp_free(s);
3317             tcg_temp_free(t2);
3318             tcg_temp_free(t);
3319         }
3320         break;
3321     default:
3322         /* invoke data storage error handler */
3323         gen_exception_err(ctx, POWERPC_EXCP_DSI, POWERPC_EXCP_INVAL);
3324     }
3325     tcg_temp_free(discard);
3326     tcg_temp_free(EA);
3327 }
3328 
3329 static void gen_stwat(DisasContext *ctx)
3330 {
3331     gen_st_atomic(ctx, DEF_MEMOP(MO_UL));
3332 }
3333 
3334 #ifdef TARGET_PPC64
3335 static void gen_stdat(DisasContext *ctx)
3336 {
3337     gen_st_atomic(ctx, DEF_MEMOP(MO_Q));
3338 }
3339 #endif
3340 
3341 static void gen_conditional_store(DisasContext *ctx, TCGMemOp memop)
3342 {
3343     TCGLabel *l1 = gen_new_label();
3344     TCGLabel *l2 = gen_new_label();
3345     TCGv t0 = tcg_temp_new();
3346     int reg = rS(ctx->opcode);
3347 
3348     gen_set_access_type(ctx, ACCESS_RES);
3349     gen_addr_reg_index(ctx, t0);
3350     tcg_gen_brcond_tl(TCG_COND_NE, t0, cpu_reserve, l1);
3351     tcg_temp_free(t0);
3352 
3353     t0 = tcg_temp_new();
3354     tcg_gen_atomic_cmpxchg_tl(t0, cpu_reserve, cpu_reserve_val,
3355                               cpu_gpr[reg], ctx->mem_idx,
3356                               DEF_MEMOP(memop) | MO_ALIGN);
3357     tcg_gen_setcond_tl(TCG_COND_EQ, t0, t0, cpu_reserve_val);
3358     tcg_gen_shli_tl(t0, t0, CRF_EQ_BIT);
3359     tcg_gen_or_tl(t0, t0, cpu_so);
3360     tcg_gen_trunc_tl_i32(cpu_crf[0], t0);
3361     tcg_temp_free(t0);
3362     tcg_gen_br(l2);
3363 
3364     gen_set_label(l1);
3365 
3366     /* Address mismatch implies failure.  But we still need to provide the
3367        memory barrier semantics of the instruction.  */
3368     tcg_gen_mb(TCG_MO_ALL | TCG_BAR_STRL);
3369     tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so);
3370 
3371     gen_set_label(l2);
3372     tcg_gen_movi_tl(cpu_reserve, -1);
3373 }
3374 
3375 #define STCX(name, memop)                  \
3376 static void gen_##name(DisasContext *ctx)  \
3377 {                                          \
3378     gen_conditional_store(ctx, memop);     \
3379 }
3380 
3381 STCX(stbcx_, DEF_MEMOP(MO_UB))
3382 STCX(sthcx_, DEF_MEMOP(MO_UW))
3383 STCX(stwcx_, DEF_MEMOP(MO_UL))
3384 
3385 #if defined(TARGET_PPC64)
3386 /* ldarx */
3387 LARX(ldarx, DEF_MEMOP(MO_Q))
3388 /* stdcx. */
3389 STCX(stdcx_, DEF_MEMOP(MO_Q))
3390 
3391 /* lqarx */
3392 static void gen_lqarx(DisasContext *ctx)
3393 {
3394     int rd = rD(ctx->opcode);
3395     TCGv EA, hi, lo;
3396 
3397     if (unlikely((rd & 1) || (rd == rA(ctx->opcode)) ||
3398                  (rd == rB(ctx->opcode)))) {
3399         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
3400         return;
3401     }
3402 
3403     gen_set_access_type(ctx, ACCESS_RES);
3404     EA = tcg_temp_new();
3405     gen_addr_reg_index(ctx, EA);
3406 
3407     /* Note that the low part is always in RD+1, even in LE mode.  */
3408     lo = cpu_gpr[rd + 1];
3409     hi = cpu_gpr[rd];
3410 
3411     if (tb_cflags(ctx->base.tb) & CF_PARALLEL) {
3412         if (HAVE_ATOMIC128) {
3413             TCGv_i32 oi = tcg_temp_new_i32();
3414             if (ctx->le_mode) {
3415                 tcg_gen_movi_i32(oi, make_memop_idx(MO_LEQ | MO_ALIGN_16,
3416                                                     ctx->mem_idx));
3417                 gen_helper_lq_le_parallel(lo, cpu_env, EA, oi);
3418             } else {
3419                 tcg_gen_movi_i32(oi, make_memop_idx(MO_BEQ | MO_ALIGN_16,
3420                                                     ctx->mem_idx));
3421                 gen_helper_lq_be_parallel(lo, cpu_env, EA, oi);
3422             }
3423             tcg_temp_free_i32(oi);
3424             tcg_gen_ld_i64(hi, cpu_env, offsetof(CPUPPCState, retxh));
3425         } else {
3426             /* Restart with exclusive lock.  */
3427             gen_helper_exit_atomic(cpu_env);
3428             ctx->base.is_jmp = DISAS_NORETURN;
3429             tcg_temp_free(EA);
3430             return;
3431         }
3432     } else if (ctx->le_mode) {
3433         tcg_gen_qemu_ld_i64(lo, EA, ctx->mem_idx, MO_LEQ | MO_ALIGN_16);
3434         tcg_gen_mov_tl(cpu_reserve, EA);
3435         gen_addr_add(ctx, EA, EA, 8);
3436         tcg_gen_qemu_ld_i64(hi, EA, ctx->mem_idx, MO_LEQ);
3437     } else {
3438         tcg_gen_qemu_ld_i64(hi, EA, ctx->mem_idx, MO_BEQ | MO_ALIGN_16);
3439         tcg_gen_mov_tl(cpu_reserve, EA);
3440         gen_addr_add(ctx, EA, EA, 8);
3441         tcg_gen_qemu_ld_i64(lo, EA, ctx->mem_idx, MO_BEQ);
3442     }
3443     tcg_temp_free(EA);
3444 
3445     tcg_gen_st_tl(hi, cpu_env, offsetof(CPUPPCState, reserve_val));
3446     tcg_gen_st_tl(lo, cpu_env, offsetof(CPUPPCState, reserve_val2));
3447 }
3448 
3449 /* stqcx. */
3450 static void gen_stqcx_(DisasContext *ctx)
3451 {
3452     int rs = rS(ctx->opcode);
3453     TCGv EA, hi, lo;
3454 
3455     if (unlikely(rs & 1)) {
3456         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
3457         return;
3458     }
3459 
3460     gen_set_access_type(ctx, ACCESS_RES);
3461     EA = tcg_temp_new();
3462     gen_addr_reg_index(ctx, EA);
3463 
3464     /* Note that the low part is always in RS+1, even in LE mode.  */
3465     lo = cpu_gpr[rs + 1];
3466     hi = cpu_gpr[rs];
3467 
3468     if (tb_cflags(ctx->base.tb) & CF_PARALLEL) {
3469         if (HAVE_CMPXCHG128) {
3470             TCGv_i32 oi = tcg_const_i32(DEF_MEMOP(MO_Q) | MO_ALIGN_16);
3471             if (ctx->le_mode) {
3472                 gen_helper_stqcx_le_parallel(cpu_crf[0], cpu_env,
3473                                              EA, lo, hi, oi);
3474             } else {
3475                 gen_helper_stqcx_be_parallel(cpu_crf[0], cpu_env,
3476                                              EA, lo, hi, oi);
3477             }
3478             tcg_temp_free_i32(oi);
3479         } else {
3480             /* Restart with exclusive lock.  */
3481             gen_helper_exit_atomic(cpu_env);
3482             ctx->base.is_jmp = DISAS_NORETURN;
3483         }
3484         tcg_temp_free(EA);
3485     } else {
3486         TCGLabel *lab_fail = gen_new_label();
3487         TCGLabel *lab_over = gen_new_label();
3488         TCGv_i64 t0 = tcg_temp_new_i64();
3489         TCGv_i64 t1 = tcg_temp_new_i64();
3490 
3491         tcg_gen_brcond_tl(TCG_COND_NE, EA, cpu_reserve, lab_fail);
3492         tcg_temp_free(EA);
3493 
3494         gen_qemu_ld64_i64(ctx, t0, cpu_reserve);
3495         tcg_gen_ld_i64(t1, cpu_env, (ctx->le_mode
3496                                      ? offsetof(CPUPPCState, reserve_val2)
3497                                      : offsetof(CPUPPCState, reserve_val)));
3498         tcg_gen_brcond_i64(TCG_COND_NE, t0, t1, lab_fail);
3499 
3500         tcg_gen_addi_i64(t0, cpu_reserve, 8);
3501         gen_qemu_ld64_i64(ctx, t0, t0);
3502         tcg_gen_ld_i64(t1, cpu_env, (ctx->le_mode
3503                                      ? offsetof(CPUPPCState, reserve_val)
3504                                      : offsetof(CPUPPCState, reserve_val2)));
3505         tcg_gen_brcond_i64(TCG_COND_NE, t0, t1, lab_fail);
3506 
3507         /* Success */
3508         gen_qemu_st64_i64(ctx, ctx->le_mode ? lo : hi, cpu_reserve);
3509         tcg_gen_addi_i64(t0, cpu_reserve, 8);
3510         gen_qemu_st64_i64(ctx, ctx->le_mode ? hi : lo, t0);
3511 
3512         tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so);
3513         tcg_gen_ori_i32(cpu_crf[0], cpu_crf[0], CRF_EQ);
3514         tcg_gen_br(lab_over);
3515 
3516         gen_set_label(lab_fail);
3517         tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so);
3518 
3519         gen_set_label(lab_over);
3520         tcg_gen_movi_tl(cpu_reserve, -1);
3521         tcg_temp_free_i64(t0);
3522         tcg_temp_free_i64(t1);
3523     }
3524 }
3525 #endif /* defined(TARGET_PPC64) */
3526 
3527 /* sync */
3528 static void gen_sync(DisasContext *ctx)
3529 {
3530     uint32_t l = (ctx->opcode >> 21) & 3;
3531 
3532     /*
3533      * We may need to check for a pending TLB flush.
3534      *
3535      * We do this on ptesync (l == 2) on ppc64 and any sync pn ppc32.
3536      *
3537      * Additionally, this can only happen in kernel mode however so
3538      * check MSR_PR as well.
3539      */
3540     if (((l == 2) || !(ctx->insns_flags & PPC_64B)) && !ctx->pr) {
3541         gen_check_tlb_flush(ctx, true);
3542     }
3543     tcg_gen_mb(TCG_MO_ALL | TCG_BAR_SC);
3544 }
3545 
3546 /* wait */
3547 static void gen_wait(DisasContext *ctx)
3548 {
3549     TCGv_i32 t0 = tcg_const_i32(1);
3550     tcg_gen_st_i32(t0, cpu_env,
3551                    -offsetof(PowerPCCPU, env) + offsetof(CPUState, halted));
3552     tcg_temp_free_i32(t0);
3553     /* Stop translation, as the CPU is supposed to sleep from now */
3554     gen_exception_nip(ctx, EXCP_HLT, ctx->base.pc_next);
3555 }
3556 
3557 #if defined(TARGET_PPC64)
3558 static void gen_doze(DisasContext *ctx)
3559 {
3560 #if defined(CONFIG_USER_ONLY)
3561     GEN_PRIV;
3562 #else
3563     TCGv_i32 t;
3564 
3565     CHK_HV;
3566     t = tcg_const_i32(PPC_PM_DOZE);
3567     gen_helper_pminsn(cpu_env, t);
3568     tcg_temp_free_i32(t);
3569     gen_stop_exception(ctx);
3570 #endif /* defined(CONFIG_USER_ONLY) */
3571 }
3572 
3573 static void gen_nap(DisasContext *ctx)
3574 {
3575 #if defined(CONFIG_USER_ONLY)
3576     GEN_PRIV;
3577 #else
3578     TCGv_i32 t;
3579 
3580     CHK_HV;
3581     t = tcg_const_i32(PPC_PM_NAP);
3582     gen_helper_pminsn(cpu_env, t);
3583     tcg_temp_free_i32(t);
3584     gen_stop_exception(ctx);
3585 #endif /* defined(CONFIG_USER_ONLY) */
3586 }
3587 
3588 static void gen_stop(DisasContext *ctx)
3589 {
3590     gen_nap(ctx);
3591 }
3592 
3593 static void gen_sleep(DisasContext *ctx)
3594 {
3595 #if defined(CONFIG_USER_ONLY)
3596     GEN_PRIV;
3597 #else
3598     TCGv_i32 t;
3599 
3600     CHK_HV;
3601     t = tcg_const_i32(PPC_PM_SLEEP);
3602     gen_helper_pminsn(cpu_env, t);
3603     tcg_temp_free_i32(t);
3604     gen_stop_exception(ctx);
3605 #endif /* defined(CONFIG_USER_ONLY) */
3606 }
3607 
3608 static void gen_rvwinkle(DisasContext *ctx)
3609 {
3610 #if defined(CONFIG_USER_ONLY)
3611     GEN_PRIV;
3612 #else
3613     TCGv_i32 t;
3614 
3615     CHK_HV;
3616     t = tcg_const_i32(PPC_PM_RVWINKLE);
3617     gen_helper_pminsn(cpu_env, t);
3618     tcg_temp_free_i32(t);
3619     gen_stop_exception(ctx);
3620 #endif /* defined(CONFIG_USER_ONLY) */
3621 }
3622 #endif /* #if defined(TARGET_PPC64) */
3623 
3624 static inline void gen_update_cfar(DisasContext *ctx, target_ulong nip)
3625 {
3626 #if defined(TARGET_PPC64)
3627     if (ctx->has_cfar)
3628         tcg_gen_movi_tl(cpu_cfar, nip);
3629 #endif
3630 }
3631 
3632 static inline bool use_goto_tb(DisasContext *ctx, target_ulong dest)
3633 {
3634     if (unlikely(ctx->singlestep_enabled)) {
3635         return false;
3636     }
3637 
3638 #ifndef CONFIG_USER_ONLY
3639     return (ctx->base.tb->pc & TARGET_PAGE_MASK) == (dest & TARGET_PAGE_MASK);
3640 #else
3641     return true;
3642 #endif
3643 }
3644 
3645 static void gen_lookup_and_goto_ptr(DisasContext *ctx)
3646 {
3647     int sse = ctx->singlestep_enabled;
3648     if (unlikely(sse)) {
3649         if (sse & GDBSTUB_SINGLE_STEP) {
3650             gen_debug_exception(ctx);
3651         } else if (sse & (CPU_SINGLE_STEP | CPU_BRANCH_STEP)) {
3652             uint32_t excp = gen_prep_dbgex(ctx);
3653             gen_exception(ctx, excp);
3654         }
3655         tcg_gen_exit_tb(NULL, 0);
3656     } else {
3657         tcg_gen_lookup_and_goto_ptr();
3658     }
3659 }
3660 
3661 /***                                Branch                                 ***/
3662 static void gen_goto_tb(DisasContext *ctx, int n, target_ulong dest)
3663 {
3664     if (NARROW_MODE(ctx)) {
3665         dest = (uint32_t) dest;
3666     }
3667     if (use_goto_tb(ctx, dest)) {
3668         tcg_gen_goto_tb(n);
3669         tcg_gen_movi_tl(cpu_nip, dest & ~3);
3670         tcg_gen_exit_tb(ctx->base.tb, n);
3671     } else {
3672         tcg_gen_movi_tl(cpu_nip, dest & ~3);
3673         gen_lookup_and_goto_ptr(ctx);
3674     }
3675 }
3676 
3677 static inline void gen_setlr(DisasContext *ctx, target_ulong nip)
3678 {
3679     if (NARROW_MODE(ctx)) {
3680         nip = (uint32_t)nip;
3681     }
3682     tcg_gen_movi_tl(cpu_lr, nip);
3683 }
3684 
3685 /* b ba bl bla */
3686 static void gen_b(DisasContext *ctx)
3687 {
3688     target_ulong li, target;
3689 
3690     ctx->exception = POWERPC_EXCP_BRANCH;
3691     /* sign extend LI */
3692     li = LI(ctx->opcode);
3693     li = (li ^ 0x02000000) - 0x02000000;
3694     if (likely(AA(ctx->opcode) == 0)) {
3695         target = ctx->base.pc_next + li - 4;
3696     } else {
3697         target = li;
3698     }
3699     if (LK(ctx->opcode)) {
3700         gen_setlr(ctx, ctx->base.pc_next);
3701     }
3702     gen_update_cfar(ctx, ctx->base.pc_next - 4);
3703     gen_goto_tb(ctx, 0, target);
3704 }
3705 
3706 #define BCOND_IM  0
3707 #define BCOND_LR  1
3708 #define BCOND_CTR 2
3709 #define BCOND_TAR 3
3710 
3711 static void gen_bcond(DisasContext *ctx, int type)
3712 {
3713     uint32_t bo = BO(ctx->opcode);
3714     TCGLabel *l1;
3715     TCGv target;
3716     ctx->exception = POWERPC_EXCP_BRANCH;
3717 
3718     if (type == BCOND_LR || type == BCOND_CTR || type == BCOND_TAR) {
3719         target = tcg_temp_local_new();
3720         if (type == BCOND_CTR)
3721             tcg_gen_mov_tl(target, cpu_ctr);
3722         else if (type == BCOND_TAR)
3723             gen_load_spr(target, SPR_TAR);
3724         else
3725             tcg_gen_mov_tl(target, cpu_lr);
3726     } else {
3727         target = NULL;
3728     }
3729     if (LK(ctx->opcode))
3730         gen_setlr(ctx, ctx->base.pc_next);
3731     l1 = gen_new_label();
3732     if ((bo & 0x4) == 0) {
3733         /* Decrement and test CTR */
3734         TCGv temp = tcg_temp_new();
3735         if (unlikely(type == BCOND_CTR)) {
3736             gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
3737             return;
3738         }
3739         tcg_gen_subi_tl(cpu_ctr, cpu_ctr, 1);
3740         if (NARROW_MODE(ctx)) {
3741             tcg_gen_ext32u_tl(temp, cpu_ctr);
3742         } else {
3743             tcg_gen_mov_tl(temp, cpu_ctr);
3744         }
3745         if (bo & 0x2) {
3746             tcg_gen_brcondi_tl(TCG_COND_NE, temp, 0, l1);
3747         } else {
3748             tcg_gen_brcondi_tl(TCG_COND_EQ, temp, 0, l1);
3749         }
3750         tcg_temp_free(temp);
3751     }
3752     if ((bo & 0x10) == 0) {
3753         /* Test CR */
3754         uint32_t bi = BI(ctx->opcode);
3755         uint32_t mask = 0x08 >> (bi & 0x03);
3756         TCGv_i32 temp = tcg_temp_new_i32();
3757 
3758         if (bo & 0x8) {
3759             tcg_gen_andi_i32(temp, cpu_crf[bi >> 2], mask);
3760             tcg_gen_brcondi_i32(TCG_COND_EQ, temp, 0, l1);
3761         } else {
3762             tcg_gen_andi_i32(temp, cpu_crf[bi >> 2], mask);
3763             tcg_gen_brcondi_i32(TCG_COND_NE, temp, 0, l1);
3764         }
3765         tcg_temp_free_i32(temp);
3766     }
3767     gen_update_cfar(ctx, ctx->base.pc_next - 4);
3768     if (type == BCOND_IM) {
3769         target_ulong li = (target_long)((int16_t)(BD(ctx->opcode)));
3770         if (likely(AA(ctx->opcode) == 0)) {
3771             gen_goto_tb(ctx, 0, ctx->base.pc_next + li - 4);
3772         } else {
3773             gen_goto_tb(ctx, 0, li);
3774         }
3775     } else {
3776         if (NARROW_MODE(ctx)) {
3777             tcg_gen_andi_tl(cpu_nip, target, (uint32_t)~3);
3778         } else {
3779             tcg_gen_andi_tl(cpu_nip, target, ~3);
3780         }
3781         gen_lookup_and_goto_ptr(ctx);
3782         tcg_temp_free(target);
3783     }
3784     if ((bo & 0x14) != 0x14) {
3785         /* fallthrough case */
3786         gen_set_label(l1);
3787         gen_goto_tb(ctx, 1, ctx->base.pc_next);
3788     }
3789 }
3790 
3791 static void gen_bc(DisasContext *ctx)
3792 {
3793     gen_bcond(ctx, BCOND_IM);
3794 }
3795 
3796 static void gen_bcctr(DisasContext *ctx)
3797 {
3798     gen_bcond(ctx, BCOND_CTR);
3799 }
3800 
3801 static void gen_bclr(DisasContext *ctx)
3802 {
3803     gen_bcond(ctx, BCOND_LR);
3804 }
3805 
3806 static void gen_bctar(DisasContext *ctx)
3807 {
3808     gen_bcond(ctx, BCOND_TAR);
3809 }
3810 
3811 /***                      Condition register logical                       ***/
3812 #define GEN_CRLOGIC(name, tcg_op, opc)                                        \
3813 static void glue(gen_, name)(DisasContext *ctx)                                       \
3814 {                                                                             \
3815     uint8_t bitmask;                                                          \
3816     int sh;                                                                   \
3817     TCGv_i32 t0, t1;                                                          \
3818     sh = (crbD(ctx->opcode) & 0x03) - (crbA(ctx->opcode) & 0x03);             \
3819     t0 = tcg_temp_new_i32();                                                  \
3820     if (sh > 0)                                                               \
3821         tcg_gen_shri_i32(t0, cpu_crf[crbA(ctx->opcode) >> 2], sh);            \
3822     else if (sh < 0)                                                          \
3823         tcg_gen_shli_i32(t0, cpu_crf[crbA(ctx->opcode) >> 2], -sh);           \
3824     else                                                                      \
3825         tcg_gen_mov_i32(t0, cpu_crf[crbA(ctx->opcode) >> 2]);                 \
3826     t1 = tcg_temp_new_i32();                                                  \
3827     sh = (crbD(ctx->opcode) & 0x03) - (crbB(ctx->opcode) & 0x03);             \
3828     if (sh > 0)                                                               \
3829         tcg_gen_shri_i32(t1, cpu_crf[crbB(ctx->opcode) >> 2], sh);            \
3830     else if (sh < 0)                                                          \
3831         tcg_gen_shli_i32(t1, cpu_crf[crbB(ctx->opcode) >> 2], -sh);           \
3832     else                                                                      \
3833         tcg_gen_mov_i32(t1, cpu_crf[crbB(ctx->opcode) >> 2]);                 \
3834     tcg_op(t0, t0, t1);                                                       \
3835     bitmask = 0x08 >> (crbD(ctx->opcode) & 0x03);                             \
3836     tcg_gen_andi_i32(t0, t0, bitmask);                                        \
3837     tcg_gen_andi_i32(t1, cpu_crf[crbD(ctx->opcode) >> 2], ~bitmask);          \
3838     tcg_gen_or_i32(cpu_crf[crbD(ctx->opcode) >> 2], t0, t1);                  \
3839     tcg_temp_free_i32(t0);                                                    \
3840     tcg_temp_free_i32(t1);                                                    \
3841 }
3842 
3843 /* crand */
3844 GEN_CRLOGIC(crand, tcg_gen_and_i32, 0x08);
3845 /* crandc */
3846 GEN_CRLOGIC(crandc, tcg_gen_andc_i32, 0x04);
3847 /* creqv */
3848 GEN_CRLOGIC(creqv, tcg_gen_eqv_i32, 0x09);
3849 /* crnand */
3850 GEN_CRLOGIC(crnand, tcg_gen_nand_i32, 0x07);
3851 /* crnor */
3852 GEN_CRLOGIC(crnor, tcg_gen_nor_i32, 0x01);
3853 /* cror */
3854 GEN_CRLOGIC(cror, tcg_gen_or_i32, 0x0E);
3855 /* crorc */
3856 GEN_CRLOGIC(crorc, tcg_gen_orc_i32, 0x0D);
3857 /* crxor */
3858 GEN_CRLOGIC(crxor, tcg_gen_xor_i32, 0x06);
3859 
3860 /* mcrf */
3861 static void gen_mcrf(DisasContext *ctx)
3862 {
3863     tcg_gen_mov_i32(cpu_crf[crfD(ctx->opcode)], cpu_crf[crfS(ctx->opcode)]);
3864 }
3865 
3866 /***                           System linkage                              ***/
3867 
3868 /* rfi (supervisor only) */
3869 static void gen_rfi(DisasContext *ctx)
3870 {
3871 #if defined(CONFIG_USER_ONLY)
3872     GEN_PRIV;
3873 #else
3874     /* This instruction doesn't exist anymore on 64-bit server
3875      * processors compliant with arch 2.x
3876      */
3877     if (ctx->insns_flags & PPC_SEGMENT_64B) {
3878         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
3879         return;
3880     }
3881     /* Restore CPU state */
3882     CHK_SV;
3883     if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) {
3884         gen_io_start();
3885     }
3886     gen_update_cfar(ctx, ctx->base.pc_next - 4);
3887     gen_helper_rfi(cpu_env);
3888     gen_sync_exception(ctx);
3889     if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) {
3890         gen_io_end();
3891     }
3892 #endif
3893 }
3894 
3895 #if defined(TARGET_PPC64)
3896 static void gen_rfid(DisasContext *ctx)
3897 {
3898 #if defined(CONFIG_USER_ONLY)
3899     GEN_PRIV;
3900 #else
3901     /* Restore CPU state */
3902     CHK_SV;
3903     if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) {
3904         gen_io_start();
3905     }
3906     gen_update_cfar(ctx, ctx->base.pc_next - 4);
3907     gen_helper_rfid(cpu_env);
3908     gen_sync_exception(ctx);
3909     if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) {
3910         gen_io_end();
3911     }
3912 #endif
3913 }
3914 
3915 static void gen_hrfid(DisasContext *ctx)
3916 {
3917 #if defined(CONFIG_USER_ONLY)
3918     GEN_PRIV;
3919 #else
3920     /* Restore CPU state */
3921     CHK_HV;
3922     gen_helper_hrfid(cpu_env);
3923     gen_sync_exception(ctx);
3924 #endif
3925 }
3926 #endif
3927 
3928 /* sc */
3929 #if defined(CONFIG_USER_ONLY)
3930 #define POWERPC_SYSCALL POWERPC_EXCP_SYSCALL_USER
3931 #else
3932 #define POWERPC_SYSCALL POWERPC_EXCP_SYSCALL
3933 #endif
3934 static void gen_sc(DisasContext *ctx)
3935 {
3936     uint32_t lev;
3937 
3938     lev = (ctx->opcode >> 5) & 0x7F;
3939     gen_exception_err(ctx, POWERPC_SYSCALL, lev);
3940 }
3941 
3942 /***                                Trap                                   ***/
3943 
3944 /* Check for unconditional traps (always or never) */
3945 static bool check_unconditional_trap(DisasContext *ctx)
3946 {
3947     /* Trap never */
3948     if (TO(ctx->opcode) == 0) {
3949         return true;
3950     }
3951     /* Trap always */
3952     if (TO(ctx->opcode) == 31) {
3953         gen_exception_err(ctx, POWERPC_EXCP_PROGRAM, POWERPC_EXCP_TRAP);
3954         return true;
3955     }
3956     return false;
3957 }
3958 
3959 /* tw */
3960 static void gen_tw(DisasContext *ctx)
3961 {
3962     TCGv_i32 t0;
3963 
3964     if (check_unconditional_trap(ctx)) {
3965         return;
3966     }
3967     t0 = tcg_const_i32(TO(ctx->opcode));
3968     gen_helper_tw(cpu_env, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],
3969                   t0);
3970     tcg_temp_free_i32(t0);
3971 }
3972 
3973 /* twi */
3974 static void gen_twi(DisasContext *ctx)
3975 {
3976     TCGv t0;
3977     TCGv_i32 t1;
3978 
3979     if (check_unconditional_trap(ctx)) {
3980         return;
3981     }
3982     t0 = tcg_const_tl(SIMM(ctx->opcode));
3983     t1 = tcg_const_i32(TO(ctx->opcode));
3984     gen_helper_tw(cpu_env, cpu_gpr[rA(ctx->opcode)], t0, t1);
3985     tcg_temp_free(t0);
3986     tcg_temp_free_i32(t1);
3987 }
3988 
3989 #if defined(TARGET_PPC64)
3990 /* td */
3991 static void gen_td(DisasContext *ctx)
3992 {
3993     TCGv_i32 t0;
3994 
3995     if (check_unconditional_trap(ctx)) {
3996         return;
3997     }
3998     t0 = tcg_const_i32(TO(ctx->opcode));
3999     gen_helper_td(cpu_env, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],
4000                   t0);
4001     tcg_temp_free_i32(t0);
4002 }
4003 
4004 /* tdi */
4005 static void gen_tdi(DisasContext *ctx)
4006 {
4007     TCGv t0;
4008     TCGv_i32 t1;
4009 
4010     if (check_unconditional_trap(ctx)) {
4011         return;
4012     }
4013     t0 = tcg_const_tl(SIMM(ctx->opcode));
4014     t1 = tcg_const_i32(TO(ctx->opcode));
4015     gen_helper_td(cpu_env, cpu_gpr[rA(ctx->opcode)], t0, t1);
4016     tcg_temp_free(t0);
4017     tcg_temp_free_i32(t1);
4018 }
4019 #endif
4020 
4021 /***                          Processor control                            ***/
4022 
4023 static void gen_read_xer(DisasContext *ctx, TCGv dst)
4024 {
4025     TCGv t0 = tcg_temp_new();
4026     TCGv t1 = tcg_temp_new();
4027     TCGv t2 = tcg_temp_new();
4028     tcg_gen_mov_tl(dst, cpu_xer);
4029     tcg_gen_shli_tl(t0, cpu_so, XER_SO);
4030     tcg_gen_shli_tl(t1, cpu_ov, XER_OV);
4031     tcg_gen_shli_tl(t2, cpu_ca, XER_CA);
4032     tcg_gen_or_tl(t0, t0, t1);
4033     tcg_gen_or_tl(dst, dst, t2);
4034     tcg_gen_or_tl(dst, dst, t0);
4035     if (is_isa300(ctx)) {
4036         tcg_gen_shli_tl(t0, cpu_ov32, XER_OV32);
4037         tcg_gen_or_tl(dst, dst, t0);
4038         tcg_gen_shli_tl(t0, cpu_ca32, XER_CA32);
4039         tcg_gen_or_tl(dst, dst, t0);
4040     }
4041     tcg_temp_free(t0);
4042     tcg_temp_free(t1);
4043     tcg_temp_free(t2);
4044 }
4045 
4046 static void gen_write_xer(TCGv src)
4047 {
4048     /* Write all flags, while reading back check for isa300 */
4049     tcg_gen_andi_tl(cpu_xer, src,
4050                     ~((1u << XER_SO) |
4051                       (1u << XER_OV) | (1u << XER_OV32) |
4052                       (1u << XER_CA) | (1u << XER_CA32)));
4053     tcg_gen_extract_tl(cpu_ov32, src, XER_OV32, 1);
4054     tcg_gen_extract_tl(cpu_ca32, src, XER_CA32, 1);
4055     tcg_gen_extract_tl(cpu_so, src, XER_SO, 1);
4056     tcg_gen_extract_tl(cpu_ov, src, XER_OV, 1);
4057     tcg_gen_extract_tl(cpu_ca, src, XER_CA, 1);
4058 }
4059 
4060 /* mcrxr */
4061 static void gen_mcrxr(DisasContext *ctx)
4062 {
4063     TCGv_i32 t0 = tcg_temp_new_i32();
4064     TCGv_i32 t1 = tcg_temp_new_i32();
4065     TCGv_i32 dst = cpu_crf[crfD(ctx->opcode)];
4066 
4067     tcg_gen_trunc_tl_i32(t0, cpu_so);
4068     tcg_gen_trunc_tl_i32(t1, cpu_ov);
4069     tcg_gen_trunc_tl_i32(dst, cpu_ca);
4070     tcg_gen_shli_i32(t0, t0, 3);
4071     tcg_gen_shli_i32(t1, t1, 2);
4072     tcg_gen_shli_i32(dst, dst, 1);
4073     tcg_gen_or_i32(dst, dst, t0);
4074     tcg_gen_or_i32(dst, dst, t1);
4075     tcg_temp_free_i32(t0);
4076     tcg_temp_free_i32(t1);
4077 
4078     tcg_gen_movi_tl(cpu_so, 0);
4079     tcg_gen_movi_tl(cpu_ov, 0);
4080     tcg_gen_movi_tl(cpu_ca, 0);
4081 }
4082 
4083 #ifdef TARGET_PPC64
4084 /* mcrxrx */
4085 static void gen_mcrxrx(DisasContext *ctx)
4086 {
4087     TCGv t0 = tcg_temp_new();
4088     TCGv t1 = tcg_temp_new();
4089     TCGv_i32 dst = cpu_crf[crfD(ctx->opcode)];
4090 
4091     /* copy OV and OV32 */
4092     tcg_gen_shli_tl(t0, cpu_ov, 1);
4093     tcg_gen_or_tl(t0, t0, cpu_ov32);
4094     tcg_gen_shli_tl(t0, t0, 2);
4095     /* copy CA and CA32 */
4096     tcg_gen_shli_tl(t1, cpu_ca, 1);
4097     tcg_gen_or_tl(t1, t1, cpu_ca32);
4098     tcg_gen_or_tl(t0, t0, t1);
4099     tcg_gen_trunc_tl_i32(dst, t0);
4100     tcg_temp_free(t0);
4101     tcg_temp_free(t1);
4102 }
4103 #endif
4104 
4105 /* mfcr mfocrf */
4106 static void gen_mfcr(DisasContext *ctx)
4107 {
4108     uint32_t crm, crn;
4109 
4110     if (likely(ctx->opcode & 0x00100000)) {
4111         crm = CRM(ctx->opcode);
4112         if (likely(crm && ((crm & (crm - 1)) == 0))) {
4113             crn = ctz32 (crm);
4114             tcg_gen_extu_i32_tl(cpu_gpr[rD(ctx->opcode)], cpu_crf[7 - crn]);
4115             tcg_gen_shli_tl(cpu_gpr[rD(ctx->opcode)],
4116                             cpu_gpr[rD(ctx->opcode)], crn * 4);
4117         }
4118     } else {
4119         TCGv_i32 t0 = tcg_temp_new_i32();
4120         tcg_gen_mov_i32(t0, cpu_crf[0]);
4121         tcg_gen_shli_i32(t0, t0, 4);
4122         tcg_gen_or_i32(t0, t0, cpu_crf[1]);
4123         tcg_gen_shli_i32(t0, t0, 4);
4124         tcg_gen_or_i32(t0, t0, cpu_crf[2]);
4125         tcg_gen_shli_i32(t0, t0, 4);
4126         tcg_gen_or_i32(t0, t0, cpu_crf[3]);
4127         tcg_gen_shli_i32(t0, t0, 4);
4128         tcg_gen_or_i32(t0, t0, cpu_crf[4]);
4129         tcg_gen_shli_i32(t0, t0, 4);
4130         tcg_gen_or_i32(t0, t0, cpu_crf[5]);
4131         tcg_gen_shli_i32(t0, t0, 4);
4132         tcg_gen_or_i32(t0, t0, cpu_crf[6]);
4133         tcg_gen_shli_i32(t0, t0, 4);
4134         tcg_gen_or_i32(t0, t0, cpu_crf[7]);
4135         tcg_gen_extu_i32_tl(cpu_gpr[rD(ctx->opcode)], t0);
4136         tcg_temp_free_i32(t0);
4137     }
4138 }
4139 
4140 /* mfmsr */
4141 static void gen_mfmsr(DisasContext *ctx)
4142 {
4143     CHK_SV;
4144     tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_msr);
4145 }
4146 
4147 static void spr_noaccess(DisasContext *ctx, int gprn, int sprn)
4148 {
4149 #if 0
4150     sprn = ((sprn >> 5) & 0x1F) | ((sprn & 0x1F) << 5);
4151     printf("ERROR: try to access SPR %d !\n", sprn);
4152 #endif
4153 }
4154 #define SPR_NOACCESS (&spr_noaccess)
4155 
4156 /* mfspr */
4157 static inline void gen_op_mfspr(DisasContext *ctx)
4158 {
4159     void (*read_cb)(DisasContext *ctx, int gprn, int sprn);
4160     uint32_t sprn = SPR(ctx->opcode);
4161 
4162 #if defined(CONFIG_USER_ONLY)
4163     read_cb = ctx->spr_cb[sprn].uea_read;
4164 #else
4165     if (ctx->pr) {
4166         read_cb = ctx->spr_cb[sprn].uea_read;
4167     } else if (ctx->hv) {
4168         read_cb = ctx->spr_cb[sprn].hea_read;
4169     } else {
4170         read_cb = ctx->spr_cb[sprn].oea_read;
4171     }
4172 #endif
4173     if (likely(read_cb != NULL)) {
4174         if (likely(read_cb != SPR_NOACCESS)) {
4175             (*read_cb)(ctx, rD(ctx->opcode), sprn);
4176         } else {
4177             /* Privilege exception */
4178             /* This is a hack to avoid warnings when running Linux:
4179              * this OS breaks the PowerPC virtualisation model,
4180              * allowing userland application to read the PVR
4181              */
4182             if (sprn != SPR_PVR) {
4183                 qemu_log_mask(LOG_GUEST_ERROR, "Trying to read privileged spr "
4184                               "%d (0x%03x) at " TARGET_FMT_lx "\n", sprn, sprn,
4185                               ctx->base.pc_next - 4);
4186             }
4187             gen_priv_exception(ctx, POWERPC_EXCP_PRIV_REG);
4188         }
4189     } else {
4190         /* ISA 2.07 defines these as no-ops */
4191         if ((ctx->insns_flags2 & PPC2_ISA207S) &&
4192             (sprn >= 808 && sprn <= 811)) {
4193             /* This is a nop */
4194             return;
4195         }
4196         /* Not defined */
4197         qemu_log_mask(LOG_GUEST_ERROR,
4198                       "Trying to read invalid spr %d (0x%03x) at "
4199                       TARGET_FMT_lx "\n", sprn, sprn, ctx->base.pc_next - 4);
4200 
4201         /* The behaviour depends on MSR:PR and SPR# bit 0x10,
4202          * it can generate a priv, a hv emu or a no-op
4203          */
4204         if (sprn & 0x10) {
4205             if (ctx->pr) {
4206                 gen_priv_exception(ctx, POWERPC_EXCP_INVAL_SPR);
4207             }
4208         } else {
4209             if (ctx->pr || sprn == 0 || sprn == 4 || sprn == 5 || sprn == 6) {
4210                 gen_hvpriv_exception(ctx, POWERPC_EXCP_INVAL_SPR);
4211             }
4212         }
4213     }
4214 }
4215 
4216 static void gen_mfspr(DisasContext *ctx)
4217 {
4218     gen_op_mfspr(ctx);
4219 }
4220 
4221 /* mftb */
4222 static void gen_mftb(DisasContext *ctx)
4223 {
4224     gen_op_mfspr(ctx);
4225 }
4226 
4227 /* mtcrf mtocrf*/
4228 static void gen_mtcrf(DisasContext *ctx)
4229 {
4230     uint32_t crm, crn;
4231 
4232     crm = CRM(ctx->opcode);
4233     if (likely((ctx->opcode & 0x00100000))) {
4234         if (crm && ((crm & (crm - 1)) == 0)) {
4235             TCGv_i32 temp = tcg_temp_new_i32();
4236             crn = ctz32 (crm);
4237             tcg_gen_trunc_tl_i32(temp, cpu_gpr[rS(ctx->opcode)]);
4238             tcg_gen_shri_i32(temp, temp, crn * 4);
4239             tcg_gen_andi_i32(cpu_crf[7 - crn], temp, 0xf);
4240             tcg_temp_free_i32(temp);
4241         }
4242     } else {
4243         TCGv_i32 temp = tcg_temp_new_i32();
4244         tcg_gen_trunc_tl_i32(temp, cpu_gpr[rS(ctx->opcode)]);
4245         for (crn = 0 ; crn < 8 ; crn++) {
4246             if (crm & (1 << crn)) {
4247                     tcg_gen_shri_i32(cpu_crf[7 - crn], temp, crn * 4);
4248                     tcg_gen_andi_i32(cpu_crf[7 - crn], cpu_crf[7 - crn], 0xf);
4249             }
4250         }
4251         tcg_temp_free_i32(temp);
4252     }
4253 }
4254 
4255 /* mtmsr */
4256 #if defined(TARGET_PPC64)
4257 static void gen_mtmsrd(DisasContext *ctx)
4258 {
4259     CHK_SV;
4260 
4261 #if !defined(CONFIG_USER_ONLY)
4262     if (ctx->opcode & 0x00010000) {
4263         /* Special form that does not need any synchronisation */
4264         TCGv t0 = tcg_temp_new();
4265         tcg_gen_andi_tl(t0, cpu_gpr[rS(ctx->opcode)], (1 << MSR_RI) | (1 << MSR_EE));
4266         tcg_gen_andi_tl(cpu_msr, cpu_msr, ~(target_ulong)((1 << MSR_RI) | (1 << MSR_EE)));
4267         tcg_gen_or_tl(cpu_msr, cpu_msr, t0);
4268         tcg_temp_free(t0);
4269     } else {
4270         /* XXX: we need to update nip before the store
4271          *      if we enter power saving mode, we will exit the loop
4272          *      directly from ppc_store_msr
4273          */
4274         if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) {
4275             gen_io_start();
4276         }
4277         gen_update_nip(ctx, ctx->base.pc_next);
4278         gen_helper_store_msr(cpu_env, cpu_gpr[rS(ctx->opcode)]);
4279         /* Must stop the translation as machine state (may have) changed */
4280         /* Note that mtmsr is not always defined as context-synchronizing */
4281         gen_stop_exception(ctx);
4282         if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) {
4283             gen_io_end();
4284         }
4285     }
4286 #endif /* !defined(CONFIG_USER_ONLY) */
4287 }
4288 #endif /* defined(TARGET_PPC64) */
4289 
4290 static void gen_mtmsr(DisasContext *ctx)
4291 {
4292     CHK_SV;
4293 
4294 #if !defined(CONFIG_USER_ONLY)
4295    if (ctx->opcode & 0x00010000) {
4296         /* Special form that does not need any synchronisation */
4297         TCGv t0 = tcg_temp_new();
4298         tcg_gen_andi_tl(t0, cpu_gpr[rS(ctx->opcode)], (1 << MSR_RI) | (1 << MSR_EE));
4299         tcg_gen_andi_tl(cpu_msr, cpu_msr, ~(target_ulong)((1 << MSR_RI) | (1 << MSR_EE)));
4300         tcg_gen_or_tl(cpu_msr, cpu_msr, t0);
4301         tcg_temp_free(t0);
4302     } else {
4303         TCGv msr = tcg_temp_new();
4304 
4305         /* XXX: we need to update nip before the store
4306          *      if we enter power saving mode, we will exit the loop
4307          *      directly from ppc_store_msr
4308          */
4309         if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) {
4310             gen_io_start();
4311         }
4312         gen_update_nip(ctx, ctx->base.pc_next);
4313 #if defined(TARGET_PPC64)
4314         tcg_gen_deposit_tl(msr, cpu_msr, cpu_gpr[rS(ctx->opcode)], 0, 32);
4315 #else
4316         tcg_gen_mov_tl(msr, cpu_gpr[rS(ctx->opcode)]);
4317 #endif
4318         gen_helper_store_msr(cpu_env, msr);
4319         if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) {
4320             gen_io_end();
4321         }
4322         tcg_temp_free(msr);
4323         /* Must stop the translation as machine state (may have) changed */
4324         /* Note that mtmsr is not always defined as context-synchronizing */
4325         gen_stop_exception(ctx);
4326     }
4327 #endif
4328 }
4329 
4330 /* mtspr */
4331 static void gen_mtspr(DisasContext *ctx)
4332 {
4333     void (*write_cb)(DisasContext *ctx, int sprn, int gprn);
4334     uint32_t sprn = SPR(ctx->opcode);
4335 
4336 #if defined(CONFIG_USER_ONLY)
4337     write_cb = ctx->spr_cb[sprn].uea_write;
4338 #else
4339     if (ctx->pr) {
4340         write_cb = ctx->spr_cb[sprn].uea_write;
4341     } else if (ctx->hv) {
4342         write_cb = ctx->spr_cb[sprn].hea_write;
4343     } else {
4344         write_cb = ctx->spr_cb[sprn].oea_write;
4345     }
4346 #endif
4347     if (likely(write_cb != NULL)) {
4348         if (likely(write_cb != SPR_NOACCESS)) {
4349             (*write_cb)(ctx, sprn, rS(ctx->opcode));
4350         } else {
4351             /* Privilege exception */
4352             qemu_log_mask(LOG_GUEST_ERROR, "Trying to write privileged spr "
4353                           "%d (0x%03x) at " TARGET_FMT_lx "\n", sprn, sprn,
4354                           ctx->base.pc_next - 4);
4355             gen_priv_exception(ctx, POWERPC_EXCP_PRIV_REG);
4356         }
4357     } else {
4358         /* ISA 2.07 defines these as no-ops */
4359         if ((ctx->insns_flags2 & PPC2_ISA207S) &&
4360             (sprn >= 808 && sprn <= 811)) {
4361             /* This is a nop */
4362             return;
4363         }
4364 
4365         /* Not defined */
4366         qemu_log_mask(LOG_GUEST_ERROR,
4367                       "Trying to write invalid spr %d (0x%03x) at "
4368                       TARGET_FMT_lx "\n", sprn, sprn, ctx->base.pc_next - 4);
4369 
4370 
4371         /* The behaviour depends on MSR:PR and SPR# bit 0x10,
4372          * it can generate a priv, a hv emu or a no-op
4373          */
4374         if (sprn & 0x10) {
4375             if (ctx->pr) {
4376                 gen_priv_exception(ctx, POWERPC_EXCP_INVAL_SPR);
4377             }
4378         } else {
4379             if (ctx->pr || sprn == 0) {
4380                 gen_hvpriv_exception(ctx, POWERPC_EXCP_INVAL_SPR);
4381             }
4382         }
4383     }
4384 }
4385 
4386 #if defined(TARGET_PPC64)
4387 /* setb */
4388 static void gen_setb(DisasContext *ctx)
4389 {
4390     TCGv_i32 t0 = tcg_temp_new_i32();
4391     TCGv_i32 t8 = tcg_temp_new_i32();
4392     TCGv_i32 tm1 = tcg_temp_new_i32();
4393     int crf = crfS(ctx->opcode);
4394 
4395     tcg_gen_setcondi_i32(TCG_COND_GEU, t0, cpu_crf[crf], 4);
4396     tcg_gen_movi_i32(t8, 8);
4397     tcg_gen_movi_i32(tm1, -1);
4398     tcg_gen_movcond_i32(TCG_COND_GEU, t0, cpu_crf[crf], t8, tm1, t0);
4399     tcg_gen_ext_i32_tl(cpu_gpr[rD(ctx->opcode)], t0);
4400 
4401     tcg_temp_free_i32(t0);
4402     tcg_temp_free_i32(t8);
4403     tcg_temp_free_i32(tm1);
4404 }
4405 #endif
4406 
4407 /***                         Cache management                              ***/
4408 
4409 /* dcbf */
4410 static void gen_dcbf(DisasContext *ctx)
4411 {
4412     /* XXX: specification says this is treated as a load by the MMU */
4413     TCGv t0;
4414     gen_set_access_type(ctx, ACCESS_CACHE);
4415     t0 = tcg_temp_new();
4416     gen_addr_reg_index(ctx, t0);
4417     gen_qemu_ld8u(ctx, t0, t0);
4418     tcg_temp_free(t0);
4419 }
4420 
4421 /* dcbfep (external PID dcbf) */
4422 static void gen_dcbfep(DisasContext *ctx)
4423 {
4424     /* XXX: specification says this is treated as a load by the MMU */
4425     TCGv t0;
4426     CHK_SV;
4427     gen_set_access_type(ctx, ACCESS_CACHE);
4428     t0 = tcg_temp_new();
4429     gen_addr_reg_index(ctx, t0);
4430     tcg_gen_qemu_ld_tl(t0, t0, PPC_TLB_EPID_LOAD, DEF_MEMOP(MO_UB));
4431     tcg_temp_free(t0);
4432 }
4433 
4434 /* dcbi (Supervisor only) */
4435 static void gen_dcbi(DisasContext *ctx)
4436 {
4437 #if defined(CONFIG_USER_ONLY)
4438     GEN_PRIV;
4439 #else
4440     TCGv EA, val;
4441 
4442     CHK_SV;
4443     EA = tcg_temp_new();
4444     gen_set_access_type(ctx, ACCESS_CACHE);
4445     gen_addr_reg_index(ctx, EA);
4446     val = tcg_temp_new();
4447     /* XXX: specification says this should be treated as a store by the MMU */
4448     gen_qemu_ld8u(ctx, val, EA);
4449     gen_qemu_st8(ctx, val, EA);
4450     tcg_temp_free(val);
4451     tcg_temp_free(EA);
4452 #endif /* defined(CONFIG_USER_ONLY) */
4453 }
4454 
4455 /* dcdst */
4456 static void gen_dcbst(DisasContext *ctx)
4457 {
4458     /* XXX: specification say this is treated as a load by the MMU */
4459     TCGv t0;
4460     gen_set_access_type(ctx, ACCESS_CACHE);
4461     t0 = tcg_temp_new();
4462     gen_addr_reg_index(ctx, t0);
4463     gen_qemu_ld8u(ctx, t0, t0);
4464     tcg_temp_free(t0);
4465 }
4466 
4467 /* dcbstep (dcbstep External PID version) */
4468 static void gen_dcbstep(DisasContext *ctx)
4469 {
4470     /* XXX: specification say this is treated as a load by the MMU */
4471     TCGv t0;
4472     gen_set_access_type(ctx, ACCESS_CACHE);
4473     t0 = tcg_temp_new();
4474     gen_addr_reg_index(ctx, t0);
4475     tcg_gen_qemu_ld_tl(t0, t0, PPC_TLB_EPID_LOAD, DEF_MEMOP(MO_UB));
4476     tcg_temp_free(t0);
4477 }
4478 
4479 /* dcbt */
4480 static void gen_dcbt(DisasContext *ctx)
4481 {
4482     /* interpreted as no-op */
4483     /* XXX: specification say this is treated as a load by the MMU
4484      *      but does not generate any exception
4485      */
4486 }
4487 
4488 /* dcbtep */
4489 static void gen_dcbtep(DisasContext *ctx)
4490 {
4491     /* interpreted as no-op */
4492     /* XXX: specification say this is treated as a load by the MMU
4493      *      but does not generate any exception
4494      */
4495 }
4496 
4497 /* dcbtst */
4498 static void gen_dcbtst(DisasContext *ctx)
4499 {
4500     /* interpreted as no-op */
4501     /* XXX: specification say this is treated as a load by the MMU
4502      *      but does not generate any exception
4503      */
4504 }
4505 
4506 /* dcbtstep */
4507 static void gen_dcbtstep(DisasContext *ctx)
4508 {
4509     /* interpreted as no-op */
4510     /* XXX: specification say this is treated as a load by the MMU
4511      *      but does not generate any exception
4512      */
4513 }
4514 
4515 /* dcbtls */
4516 static void gen_dcbtls(DisasContext *ctx)
4517 {
4518     /* Always fails locking the cache */
4519     TCGv t0 = tcg_temp_new();
4520     gen_load_spr(t0, SPR_Exxx_L1CSR0);
4521     tcg_gen_ori_tl(t0, t0, L1CSR0_CUL);
4522     gen_store_spr(SPR_Exxx_L1CSR0, t0);
4523     tcg_temp_free(t0);
4524 }
4525 
4526 /* dcbz */
4527 static void gen_dcbz(DisasContext *ctx)
4528 {
4529     TCGv tcgv_addr;
4530     TCGv_i32 tcgv_op;
4531 
4532     gen_set_access_type(ctx, ACCESS_CACHE);
4533     tcgv_addr = tcg_temp_new();
4534     tcgv_op = tcg_const_i32(ctx->opcode & 0x03FF000);
4535     gen_addr_reg_index(ctx, tcgv_addr);
4536     gen_helper_dcbz(cpu_env, tcgv_addr, tcgv_op);
4537     tcg_temp_free(tcgv_addr);
4538     tcg_temp_free_i32(tcgv_op);
4539 }
4540 
4541 /* dcbzep */
4542 static void gen_dcbzep(DisasContext *ctx)
4543 {
4544     TCGv tcgv_addr;
4545     TCGv_i32 tcgv_op;
4546 
4547     gen_set_access_type(ctx, ACCESS_CACHE);
4548     tcgv_addr = tcg_temp_new();
4549     tcgv_op = tcg_const_i32(ctx->opcode & 0x03FF000);
4550     gen_addr_reg_index(ctx, tcgv_addr);
4551     gen_helper_dcbzep(cpu_env, tcgv_addr, tcgv_op);
4552     tcg_temp_free(tcgv_addr);
4553     tcg_temp_free_i32(tcgv_op);
4554 }
4555 
4556 /* dst / dstt */
4557 static void gen_dst(DisasContext *ctx)
4558 {
4559     if (rA(ctx->opcode) == 0) {
4560         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
4561     } else {
4562         /* interpreted as no-op */
4563     }
4564 }
4565 
4566 /* dstst /dststt */
4567 static void gen_dstst(DisasContext *ctx)
4568 {
4569     if (rA(ctx->opcode) == 0) {
4570         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
4571     } else {
4572         /* interpreted as no-op */
4573     }
4574 
4575 }
4576 
4577 /* dss / dssall */
4578 static void gen_dss(DisasContext *ctx)
4579 {
4580     /* interpreted as no-op */
4581 }
4582 
4583 /* icbi */
4584 static void gen_icbi(DisasContext *ctx)
4585 {
4586     TCGv t0;
4587     gen_set_access_type(ctx, ACCESS_CACHE);
4588     t0 = tcg_temp_new();
4589     gen_addr_reg_index(ctx, t0);
4590     gen_helper_icbi(cpu_env, t0);
4591     tcg_temp_free(t0);
4592 }
4593 
4594 /* icbiep */
4595 static void gen_icbiep(DisasContext *ctx)
4596 {
4597     TCGv t0;
4598     gen_set_access_type(ctx, ACCESS_CACHE);
4599     t0 = tcg_temp_new();
4600     gen_addr_reg_index(ctx, t0);
4601     gen_helper_icbiep(cpu_env, t0);
4602     tcg_temp_free(t0);
4603 }
4604 
4605 /* Optional: */
4606 /* dcba */
4607 static void gen_dcba(DisasContext *ctx)
4608 {
4609     /* interpreted as no-op */
4610     /* XXX: specification say this is treated as a store by the MMU
4611      *      but does not generate any exception
4612      */
4613 }
4614 
4615 /***                    Segment register manipulation                      ***/
4616 /* Supervisor only: */
4617 
4618 /* mfsr */
4619 static void gen_mfsr(DisasContext *ctx)
4620 {
4621 #if defined(CONFIG_USER_ONLY)
4622     GEN_PRIV;
4623 #else
4624     TCGv t0;
4625 
4626     CHK_SV;
4627     t0 = tcg_const_tl(SR(ctx->opcode));
4628     gen_helper_load_sr(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
4629     tcg_temp_free(t0);
4630 #endif /* defined(CONFIG_USER_ONLY) */
4631 }
4632 
4633 /* mfsrin */
4634 static void gen_mfsrin(DisasContext *ctx)
4635 {
4636 #if defined(CONFIG_USER_ONLY)
4637     GEN_PRIV;
4638 #else
4639     TCGv t0;
4640 
4641     CHK_SV;
4642     t0 = tcg_temp_new();
4643     tcg_gen_extract_tl(t0, cpu_gpr[rB(ctx->opcode)], 28, 4);
4644     gen_helper_load_sr(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
4645     tcg_temp_free(t0);
4646 #endif /* defined(CONFIG_USER_ONLY) */
4647 }
4648 
4649 /* mtsr */
4650 static void gen_mtsr(DisasContext *ctx)
4651 {
4652 #if defined(CONFIG_USER_ONLY)
4653     GEN_PRIV;
4654 #else
4655     TCGv t0;
4656 
4657     CHK_SV;
4658     t0 = tcg_const_tl(SR(ctx->opcode));
4659     gen_helper_store_sr(cpu_env, t0, cpu_gpr[rS(ctx->opcode)]);
4660     tcg_temp_free(t0);
4661 #endif /* defined(CONFIG_USER_ONLY) */
4662 }
4663 
4664 /* mtsrin */
4665 static void gen_mtsrin(DisasContext *ctx)
4666 {
4667 #if defined(CONFIG_USER_ONLY)
4668     GEN_PRIV;
4669 #else
4670     TCGv t0;
4671     CHK_SV;
4672 
4673     t0 = tcg_temp_new();
4674     tcg_gen_extract_tl(t0, cpu_gpr[rB(ctx->opcode)], 28, 4);
4675     gen_helper_store_sr(cpu_env, t0, cpu_gpr[rD(ctx->opcode)]);
4676     tcg_temp_free(t0);
4677 #endif /* defined(CONFIG_USER_ONLY) */
4678 }
4679 
4680 #if defined(TARGET_PPC64)
4681 /* Specific implementation for PowerPC 64 "bridge" emulation using SLB */
4682 
4683 /* mfsr */
4684 static void gen_mfsr_64b(DisasContext *ctx)
4685 {
4686 #if defined(CONFIG_USER_ONLY)
4687     GEN_PRIV;
4688 #else
4689     TCGv t0;
4690 
4691     CHK_SV;
4692     t0 = tcg_const_tl(SR(ctx->opcode));
4693     gen_helper_load_sr(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
4694     tcg_temp_free(t0);
4695 #endif /* defined(CONFIG_USER_ONLY) */
4696 }
4697 
4698 /* mfsrin */
4699 static void gen_mfsrin_64b(DisasContext *ctx)
4700 {
4701 #if defined(CONFIG_USER_ONLY)
4702     GEN_PRIV;
4703 #else
4704     TCGv t0;
4705 
4706     CHK_SV;
4707     t0 = tcg_temp_new();
4708     tcg_gen_extract_tl(t0, cpu_gpr[rB(ctx->opcode)], 28, 4);
4709     gen_helper_load_sr(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
4710     tcg_temp_free(t0);
4711 #endif /* defined(CONFIG_USER_ONLY) */
4712 }
4713 
4714 /* mtsr */
4715 static void gen_mtsr_64b(DisasContext *ctx)
4716 {
4717 #if defined(CONFIG_USER_ONLY)
4718     GEN_PRIV;
4719 #else
4720     TCGv t0;
4721 
4722     CHK_SV;
4723     t0 = tcg_const_tl(SR(ctx->opcode));
4724     gen_helper_store_sr(cpu_env, t0, cpu_gpr[rS(ctx->opcode)]);
4725     tcg_temp_free(t0);
4726 #endif /* defined(CONFIG_USER_ONLY) */
4727 }
4728 
4729 /* mtsrin */
4730 static void gen_mtsrin_64b(DisasContext *ctx)
4731 {
4732 #if defined(CONFIG_USER_ONLY)
4733     GEN_PRIV;
4734 #else
4735     TCGv t0;
4736 
4737     CHK_SV;
4738     t0 = tcg_temp_new();
4739     tcg_gen_extract_tl(t0, cpu_gpr[rB(ctx->opcode)], 28, 4);
4740     gen_helper_store_sr(cpu_env, t0, cpu_gpr[rS(ctx->opcode)]);
4741     tcg_temp_free(t0);
4742 #endif /* defined(CONFIG_USER_ONLY) */
4743 }
4744 
4745 /* slbmte */
4746 static void gen_slbmte(DisasContext *ctx)
4747 {
4748 #if defined(CONFIG_USER_ONLY)
4749     GEN_PRIV;
4750 #else
4751     CHK_SV;
4752 
4753     gen_helper_store_slb(cpu_env, cpu_gpr[rB(ctx->opcode)],
4754                          cpu_gpr[rS(ctx->opcode)]);
4755 #endif /* defined(CONFIG_USER_ONLY) */
4756 }
4757 
4758 static void gen_slbmfee(DisasContext *ctx)
4759 {
4760 #if defined(CONFIG_USER_ONLY)
4761     GEN_PRIV;
4762 #else
4763     CHK_SV;
4764 
4765     gen_helper_load_slb_esid(cpu_gpr[rS(ctx->opcode)], cpu_env,
4766                              cpu_gpr[rB(ctx->opcode)]);
4767 #endif /* defined(CONFIG_USER_ONLY) */
4768 }
4769 
4770 static void gen_slbmfev(DisasContext *ctx)
4771 {
4772 #if defined(CONFIG_USER_ONLY)
4773     GEN_PRIV;
4774 #else
4775     CHK_SV;
4776 
4777     gen_helper_load_slb_vsid(cpu_gpr[rS(ctx->opcode)], cpu_env,
4778                              cpu_gpr[rB(ctx->opcode)]);
4779 #endif /* defined(CONFIG_USER_ONLY) */
4780 }
4781 
4782 static void gen_slbfee_(DisasContext *ctx)
4783 {
4784 #if defined(CONFIG_USER_ONLY)
4785     gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG);
4786 #else
4787     TCGLabel *l1, *l2;
4788 
4789     if (unlikely(ctx->pr)) {
4790         gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG);
4791         return;
4792     }
4793     gen_helper_find_slb_vsid(cpu_gpr[rS(ctx->opcode)], cpu_env,
4794                              cpu_gpr[rB(ctx->opcode)]);
4795     l1 = gen_new_label();
4796     l2 = gen_new_label();
4797     tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so);
4798     tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[rS(ctx->opcode)], -1, l1);
4799     tcg_gen_ori_i32(cpu_crf[0], cpu_crf[0], CRF_EQ);
4800     tcg_gen_br(l2);
4801     gen_set_label(l1);
4802     tcg_gen_movi_tl(cpu_gpr[rS(ctx->opcode)], 0);
4803     gen_set_label(l2);
4804 #endif
4805 }
4806 #endif /* defined(TARGET_PPC64) */
4807 
4808 /***                      Lookaside buffer management                      ***/
4809 /* Optional & supervisor only: */
4810 
4811 /* tlbia */
4812 static void gen_tlbia(DisasContext *ctx)
4813 {
4814 #if defined(CONFIG_USER_ONLY)
4815     GEN_PRIV;
4816 #else
4817     CHK_HV;
4818 
4819     gen_helper_tlbia(cpu_env);
4820 #endif  /* defined(CONFIG_USER_ONLY) */
4821 }
4822 
4823 /* tlbiel */
4824 static void gen_tlbiel(DisasContext *ctx)
4825 {
4826 #if defined(CONFIG_USER_ONLY)
4827     GEN_PRIV;
4828 #else
4829     CHK_SV;
4830 
4831     gen_helper_tlbie(cpu_env, cpu_gpr[rB(ctx->opcode)]);
4832 #endif /* defined(CONFIG_USER_ONLY) */
4833 }
4834 
4835 /* tlbie */
4836 static void gen_tlbie(DisasContext *ctx)
4837 {
4838 #if defined(CONFIG_USER_ONLY)
4839     GEN_PRIV;
4840 #else
4841     TCGv_i32 t1;
4842 
4843     if (ctx->gtse) {
4844         CHK_SV; /* If gtse is set then tlbie is supervisor privileged */
4845     } else {
4846         CHK_HV; /* Else hypervisor privileged */
4847     }
4848 
4849     if (NARROW_MODE(ctx)) {
4850         TCGv t0 = tcg_temp_new();
4851         tcg_gen_ext32u_tl(t0, cpu_gpr[rB(ctx->opcode)]);
4852         gen_helper_tlbie(cpu_env, t0);
4853         tcg_temp_free(t0);
4854     } else {
4855         gen_helper_tlbie(cpu_env, cpu_gpr[rB(ctx->opcode)]);
4856     }
4857     t1 = tcg_temp_new_i32();
4858     tcg_gen_ld_i32(t1, cpu_env, offsetof(CPUPPCState, tlb_need_flush));
4859     tcg_gen_ori_i32(t1, t1, TLB_NEED_GLOBAL_FLUSH);
4860     tcg_gen_st_i32(t1, cpu_env, offsetof(CPUPPCState, tlb_need_flush));
4861     tcg_temp_free_i32(t1);
4862 #endif /* defined(CONFIG_USER_ONLY) */
4863 }
4864 
4865 /* tlbsync */
4866 static void gen_tlbsync(DisasContext *ctx)
4867 {
4868 #if defined(CONFIG_USER_ONLY)
4869     GEN_PRIV;
4870 #else
4871 
4872     if (ctx->gtse) {
4873         CHK_SV; /* If gtse is set then tlbsync is supervisor privileged */
4874     } else {
4875         CHK_HV; /* Else hypervisor privileged */
4876     }
4877 
4878     /* BookS does both ptesync and tlbsync make tlbsync a nop for server */
4879     if (ctx->insns_flags & PPC_BOOKE) {
4880         gen_check_tlb_flush(ctx, true);
4881     }
4882 #endif /* defined(CONFIG_USER_ONLY) */
4883 }
4884 
4885 #if defined(TARGET_PPC64)
4886 /* slbia */
4887 static void gen_slbia(DisasContext *ctx)
4888 {
4889 #if defined(CONFIG_USER_ONLY)
4890     GEN_PRIV;
4891 #else
4892     CHK_SV;
4893 
4894     gen_helper_slbia(cpu_env);
4895 #endif /* defined(CONFIG_USER_ONLY) */
4896 }
4897 
4898 /* slbie */
4899 static void gen_slbie(DisasContext *ctx)
4900 {
4901 #if defined(CONFIG_USER_ONLY)
4902     GEN_PRIV;
4903 #else
4904     CHK_SV;
4905 
4906     gen_helper_slbie(cpu_env, cpu_gpr[rB(ctx->opcode)]);
4907 #endif /* defined(CONFIG_USER_ONLY) */
4908 }
4909 
4910 /* slbieg */
4911 static void gen_slbieg(DisasContext *ctx)
4912 {
4913 #if defined(CONFIG_USER_ONLY)
4914     GEN_PRIV;
4915 #else
4916     CHK_SV;
4917 
4918     gen_helper_slbieg(cpu_env, cpu_gpr[rB(ctx->opcode)]);
4919 #endif /* defined(CONFIG_USER_ONLY) */
4920 }
4921 
4922 /* slbsync */
4923 static void gen_slbsync(DisasContext *ctx)
4924 {
4925 #if defined(CONFIG_USER_ONLY)
4926     GEN_PRIV;
4927 #else
4928     CHK_SV;
4929     gen_check_tlb_flush(ctx, true);
4930 #endif /* defined(CONFIG_USER_ONLY) */
4931 }
4932 
4933 #endif  /* defined(TARGET_PPC64) */
4934 
4935 /***                              External control                         ***/
4936 /* Optional: */
4937 
4938 /* eciwx */
4939 static void gen_eciwx(DisasContext *ctx)
4940 {
4941     TCGv t0;
4942     /* Should check EAR[E] ! */
4943     gen_set_access_type(ctx, ACCESS_EXT);
4944     t0 = tcg_temp_new();
4945     gen_addr_reg_index(ctx, t0);
4946     tcg_gen_qemu_ld_tl(cpu_gpr[rD(ctx->opcode)], t0, ctx->mem_idx,
4947                        DEF_MEMOP(MO_UL | MO_ALIGN));
4948     tcg_temp_free(t0);
4949 }
4950 
4951 /* ecowx */
4952 static void gen_ecowx(DisasContext *ctx)
4953 {
4954     TCGv t0;
4955     /* Should check EAR[E] ! */
4956     gen_set_access_type(ctx, ACCESS_EXT);
4957     t0 = tcg_temp_new();
4958     gen_addr_reg_index(ctx, t0);
4959     tcg_gen_qemu_st_tl(cpu_gpr[rD(ctx->opcode)], t0, ctx->mem_idx,
4960                        DEF_MEMOP(MO_UL | MO_ALIGN));
4961     tcg_temp_free(t0);
4962 }
4963 
4964 /* PowerPC 601 specific instructions */
4965 
4966 /* abs - abs. */
4967 static void gen_abs(DisasContext *ctx)
4968 {
4969     TCGLabel *l1 = gen_new_label();
4970     TCGLabel *l2 = gen_new_label();
4971     tcg_gen_brcondi_tl(TCG_COND_GE, cpu_gpr[rA(ctx->opcode)], 0, l1);
4972     tcg_gen_neg_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
4973     tcg_gen_br(l2);
4974     gen_set_label(l1);
4975     tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
4976     gen_set_label(l2);
4977     if (unlikely(Rc(ctx->opcode) != 0))
4978         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
4979 }
4980 
4981 /* abso - abso. */
4982 static void gen_abso(DisasContext *ctx)
4983 {
4984     TCGLabel *l1 = gen_new_label();
4985     TCGLabel *l2 = gen_new_label();
4986     TCGLabel *l3 = gen_new_label();
4987     /* Start with XER OV disabled, the most likely case */
4988     tcg_gen_movi_tl(cpu_ov, 0);
4989     tcg_gen_brcondi_tl(TCG_COND_GE, cpu_gpr[rA(ctx->opcode)], 0, l2);
4990     tcg_gen_brcondi_tl(TCG_COND_NE, cpu_gpr[rA(ctx->opcode)], 0x80000000, l1);
4991     tcg_gen_movi_tl(cpu_ov, 1);
4992     tcg_gen_movi_tl(cpu_so, 1);
4993     tcg_gen_br(l2);
4994     gen_set_label(l1);
4995     tcg_gen_neg_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
4996     tcg_gen_br(l3);
4997     gen_set_label(l2);
4998     tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
4999     gen_set_label(l3);
5000     if (unlikely(Rc(ctx->opcode) != 0))
5001         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
5002 }
5003 
5004 /* clcs */
5005 static void gen_clcs(DisasContext *ctx)
5006 {
5007     TCGv_i32 t0 = tcg_const_i32(rA(ctx->opcode));
5008     gen_helper_clcs(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
5009     tcg_temp_free_i32(t0);
5010     /* Rc=1 sets CR0 to an undefined state */
5011 }
5012 
5013 /* div - div. */
5014 static void gen_div(DisasContext *ctx)
5015 {
5016     gen_helper_div(cpu_gpr[rD(ctx->opcode)], cpu_env, cpu_gpr[rA(ctx->opcode)],
5017                    cpu_gpr[rB(ctx->opcode)]);
5018     if (unlikely(Rc(ctx->opcode) != 0))
5019         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
5020 }
5021 
5022 /* divo - divo. */
5023 static void gen_divo(DisasContext *ctx)
5024 {
5025     gen_helper_divo(cpu_gpr[rD(ctx->opcode)], cpu_env, cpu_gpr[rA(ctx->opcode)],
5026                     cpu_gpr[rB(ctx->opcode)]);
5027     if (unlikely(Rc(ctx->opcode) != 0))
5028         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
5029 }
5030 
5031 /* divs - divs. */
5032 static void gen_divs(DisasContext *ctx)
5033 {
5034     gen_helper_divs(cpu_gpr[rD(ctx->opcode)], cpu_env, cpu_gpr[rA(ctx->opcode)],
5035                     cpu_gpr[rB(ctx->opcode)]);
5036     if (unlikely(Rc(ctx->opcode) != 0))
5037         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
5038 }
5039 
5040 /* divso - divso. */
5041 static void gen_divso(DisasContext *ctx)
5042 {
5043     gen_helper_divso(cpu_gpr[rD(ctx->opcode)], cpu_env,
5044                      cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
5045     if (unlikely(Rc(ctx->opcode) != 0))
5046         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
5047 }
5048 
5049 /* doz - doz. */
5050 static void gen_doz(DisasContext *ctx)
5051 {
5052     TCGLabel *l1 = gen_new_label();
5053     TCGLabel *l2 = gen_new_label();
5054     tcg_gen_brcond_tl(TCG_COND_GE, cpu_gpr[rB(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], l1);
5055     tcg_gen_sub_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
5056     tcg_gen_br(l2);
5057     gen_set_label(l1);
5058     tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], 0);
5059     gen_set_label(l2);
5060     if (unlikely(Rc(ctx->opcode) != 0))
5061         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
5062 }
5063 
5064 /* dozo - dozo. */
5065 static void gen_dozo(DisasContext *ctx)
5066 {
5067     TCGLabel *l1 = gen_new_label();
5068     TCGLabel *l2 = gen_new_label();
5069     TCGv t0 = tcg_temp_new();
5070     TCGv t1 = tcg_temp_new();
5071     TCGv t2 = tcg_temp_new();
5072     /* Start with XER OV disabled, the most likely case */
5073     tcg_gen_movi_tl(cpu_ov, 0);
5074     tcg_gen_brcond_tl(TCG_COND_GE, cpu_gpr[rB(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], l1);
5075     tcg_gen_sub_tl(t0, cpu_gpr[rB(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
5076     tcg_gen_xor_tl(t1, cpu_gpr[rB(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
5077     tcg_gen_xor_tl(t2, cpu_gpr[rA(ctx->opcode)], t0);
5078     tcg_gen_andc_tl(t1, t1, t2);
5079     tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], t0);
5080     tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l2);
5081     tcg_gen_movi_tl(cpu_ov, 1);
5082     tcg_gen_movi_tl(cpu_so, 1);
5083     tcg_gen_br(l2);
5084     gen_set_label(l1);
5085     tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], 0);
5086     gen_set_label(l2);
5087     tcg_temp_free(t0);
5088     tcg_temp_free(t1);
5089     tcg_temp_free(t2);
5090     if (unlikely(Rc(ctx->opcode) != 0))
5091         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
5092 }
5093 
5094 /* dozi */
5095 static void gen_dozi(DisasContext *ctx)
5096 {
5097     target_long simm = SIMM(ctx->opcode);
5098     TCGLabel *l1 = gen_new_label();
5099     TCGLabel *l2 = gen_new_label();
5100     tcg_gen_brcondi_tl(TCG_COND_LT, cpu_gpr[rA(ctx->opcode)], simm, l1);
5101     tcg_gen_subfi_tl(cpu_gpr[rD(ctx->opcode)], simm, cpu_gpr[rA(ctx->opcode)]);
5102     tcg_gen_br(l2);
5103     gen_set_label(l1);
5104     tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], 0);
5105     gen_set_label(l2);
5106     if (unlikely(Rc(ctx->opcode) != 0))
5107         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
5108 }
5109 
5110 /* lscbx - lscbx. */
5111 static void gen_lscbx(DisasContext *ctx)
5112 {
5113     TCGv t0 = tcg_temp_new();
5114     TCGv_i32 t1 = tcg_const_i32(rD(ctx->opcode));
5115     TCGv_i32 t2 = tcg_const_i32(rA(ctx->opcode));
5116     TCGv_i32 t3 = tcg_const_i32(rB(ctx->opcode));
5117 
5118     gen_addr_reg_index(ctx, t0);
5119     gen_helper_lscbx(t0, cpu_env, t0, t1, t2, t3);
5120     tcg_temp_free_i32(t1);
5121     tcg_temp_free_i32(t2);
5122     tcg_temp_free_i32(t3);
5123     tcg_gen_andi_tl(cpu_xer, cpu_xer, ~0x7F);
5124     tcg_gen_or_tl(cpu_xer, cpu_xer, t0);
5125     if (unlikely(Rc(ctx->opcode) != 0))
5126         gen_set_Rc0(ctx, t0);
5127     tcg_temp_free(t0);
5128 }
5129 
5130 /* maskg - maskg. */
5131 static void gen_maskg(DisasContext *ctx)
5132 {
5133     TCGLabel *l1 = gen_new_label();
5134     TCGv t0 = tcg_temp_new();
5135     TCGv t1 = tcg_temp_new();
5136     TCGv t2 = tcg_temp_new();
5137     TCGv t3 = tcg_temp_new();
5138     tcg_gen_movi_tl(t3, 0xFFFFFFFF);
5139     tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F);
5140     tcg_gen_andi_tl(t1, cpu_gpr[rS(ctx->opcode)], 0x1F);
5141     tcg_gen_addi_tl(t2, t0, 1);
5142     tcg_gen_shr_tl(t2, t3, t2);
5143     tcg_gen_shr_tl(t3, t3, t1);
5144     tcg_gen_xor_tl(cpu_gpr[rA(ctx->opcode)], t2, t3);
5145     tcg_gen_brcond_tl(TCG_COND_GE, t0, t1, l1);
5146     tcg_gen_neg_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
5147     gen_set_label(l1);
5148     tcg_temp_free(t0);
5149     tcg_temp_free(t1);
5150     tcg_temp_free(t2);
5151     tcg_temp_free(t3);
5152     if (unlikely(Rc(ctx->opcode) != 0))
5153         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5154 }
5155 
5156 /* maskir - maskir. */
5157 static void gen_maskir(DisasContext *ctx)
5158 {
5159     TCGv t0 = tcg_temp_new();
5160     TCGv t1 = tcg_temp_new();
5161     tcg_gen_and_tl(t0, cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
5162     tcg_gen_andc_tl(t1, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
5163     tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
5164     tcg_temp_free(t0);
5165     tcg_temp_free(t1);
5166     if (unlikely(Rc(ctx->opcode) != 0))
5167         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5168 }
5169 
5170 /* mul - mul. */
5171 static void gen_mul(DisasContext *ctx)
5172 {
5173     TCGv_i64 t0 = tcg_temp_new_i64();
5174     TCGv_i64 t1 = tcg_temp_new_i64();
5175     TCGv t2 = tcg_temp_new();
5176     tcg_gen_extu_tl_i64(t0, cpu_gpr[rA(ctx->opcode)]);
5177     tcg_gen_extu_tl_i64(t1, cpu_gpr[rB(ctx->opcode)]);
5178     tcg_gen_mul_i64(t0, t0, t1);
5179     tcg_gen_trunc_i64_tl(t2, t0);
5180     gen_store_spr(SPR_MQ, t2);
5181     tcg_gen_shri_i64(t1, t0, 32);
5182     tcg_gen_trunc_i64_tl(cpu_gpr[rD(ctx->opcode)], t1);
5183     tcg_temp_free_i64(t0);
5184     tcg_temp_free_i64(t1);
5185     tcg_temp_free(t2);
5186     if (unlikely(Rc(ctx->opcode) != 0))
5187         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
5188 }
5189 
5190 /* mulo - mulo. */
5191 static void gen_mulo(DisasContext *ctx)
5192 {
5193     TCGLabel *l1 = gen_new_label();
5194     TCGv_i64 t0 = tcg_temp_new_i64();
5195     TCGv_i64 t1 = tcg_temp_new_i64();
5196     TCGv t2 = tcg_temp_new();
5197     /* Start with XER OV disabled, the most likely case */
5198     tcg_gen_movi_tl(cpu_ov, 0);
5199     tcg_gen_extu_tl_i64(t0, cpu_gpr[rA(ctx->opcode)]);
5200     tcg_gen_extu_tl_i64(t1, cpu_gpr[rB(ctx->opcode)]);
5201     tcg_gen_mul_i64(t0, t0, t1);
5202     tcg_gen_trunc_i64_tl(t2, t0);
5203     gen_store_spr(SPR_MQ, t2);
5204     tcg_gen_shri_i64(t1, t0, 32);
5205     tcg_gen_trunc_i64_tl(cpu_gpr[rD(ctx->opcode)], t1);
5206     tcg_gen_ext32s_i64(t1, t0);
5207     tcg_gen_brcond_i64(TCG_COND_EQ, t0, t1, l1);
5208     tcg_gen_movi_tl(cpu_ov, 1);
5209     tcg_gen_movi_tl(cpu_so, 1);
5210     gen_set_label(l1);
5211     tcg_temp_free_i64(t0);
5212     tcg_temp_free_i64(t1);
5213     tcg_temp_free(t2);
5214     if (unlikely(Rc(ctx->opcode) != 0))
5215         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
5216 }
5217 
5218 /* nabs - nabs. */
5219 static void gen_nabs(DisasContext *ctx)
5220 {
5221     TCGLabel *l1 = gen_new_label();
5222     TCGLabel *l2 = gen_new_label();
5223     tcg_gen_brcondi_tl(TCG_COND_GT, cpu_gpr[rA(ctx->opcode)], 0, l1);
5224     tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
5225     tcg_gen_br(l2);
5226     gen_set_label(l1);
5227     tcg_gen_neg_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
5228     gen_set_label(l2);
5229     if (unlikely(Rc(ctx->opcode) != 0))
5230         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
5231 }
5232 
5233 /* nabso - nabso. */
5234 static void gen_nabso(DisasContext *ctx)
5235 {
5236     TCGLabel *l1 = gen_new_label();
5237     TCGLabel *l2 = gen_new_label();
5238     tcg_gen_brcondi_tl(TCG_COND_GT, cpu_gpr[rA(ctx->opcode)], 0, l1);
5239     tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
5240     tcg_gen_br(l2);
5241     gen_set_label(l1);
5242     tcg_gen_neg_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
5243     gen_set_label(l2);
5244     /* nabs never overflows */
5245     tcg_gen_movi_tl(cpu_ov, 0);
5246     if (unlikely(Rc(ctx->opcode) != 0))
5247         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
5248 }
5249 
5250 /* rlmi - rlmi. */
5251 static void gen_rlmi(DisasContext *ctx)
5252 {
5253     uint32_t mb = MB(ctx->opcode);
5254     uint32_t me = ME(ctx->opcode);
5255     TCGv t0 = tcg_temp_new();
5256     tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F);
5257     tcg_gen_rotl_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
5258     tcg_gen_andi_tl(t0, t0, MASK(mb, me));
5259     tcg_gen_andi_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], ~MASK(mb, me));
5260     tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], t0);
5261     tcg_temp_free(t0);
5262     if (unlikely(Rc(ctx->opcode) != 0))
5263         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5264 }
5265 
5266 /* rrib - rrib. */
5267 static void gen_rrib(DisasContext *ctx)
5268 {
5269     TCGv t0 = tcg_temp_new();
5270     TCGv t1 = tcg_temp_new();
5271     tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F);
5272     tcg_gen_movi_tl(t1, 0x80000000);
5273     tcg_gen_shr_tl(t1, t1, t0);
5274     tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
5275     tcg_gen_and_tl(t0, t0, t1);
5276     tcg_gen_andc_tl(t1, cpu_gpr[rA(ctx->opcode)], t1);
5277     tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
5278     tcg_temp_free(t0);
5279     tcg_temp_free(t1);
5280     if (unlikely(Rc(ctx->opcode) != 0))
5281         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5282 }
5283 
5284 /* sle - sle. */
5285 static void gen_sle(DisasContext *ctx)
5286 {
5287     TCGv t0 = tcg_temp_new();
5288     TCGv t1 = tcg_temp_new();
5289     tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F);
5290     tcg_gen_shl_tl(t0, cpu_gpr[rS(ctx->opcode)], t1);
5291     tcg_gen_subfi_tl(t1, 32, t1);
5292     tcg_gen_shr_tl(t1, cpu_gpr[rS(ctx->opcode)], t1);
5293     tcg_gen_or_tl(t1, t0, t1);
5294     tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
5295     gen_store_spr(SPR_MQ, t1);
5296     tcg_temp_free(t0);
5297     tcg_temp_free(t1);
5298     if (unlikely(Rc(ctx->opcode) != 0))
5299         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5300 }
5301 
5302 /* sleq - sleq. */
5303 static void gen_sleq(DisasContext *ctx)
5304 {
5305     TCGv t0 = tcg_temp_new();
5306     TCGv t1 = tcg_temp_new();
5307     TCGv t2 = tcg_temp_new();
5308     tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F);
5309     tcg_gen_movi_tl(t2, 0xFFFFFFFF);
5310     tcg_gen_shl_tl(t2, t2, t0);
5311     tcg_gen_rotl_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
5312     gen_load_spr(t1, SPR_MQ);
5313     gen_store_spr(SPR_MQ, t0);
5314     tcg_gen_and_tl(t0, t0, t2);
5315     tcg_gen_andc_tl(t1, t1, t2);
5316     tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
5317     tcg_temp_free(t0);
5318     tcg_temp_free(t1);
5319     tcg_temp_free(t2);
5320     if (unlikely(Rc(ctx->opcode) != 0))
5321         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5322 }
5323 
5324 /* sliq - sliq. */
5325 static void gen_sliq(DisasContext *ctx)
5326 {
5327     int sh = SH(ctx->opcode);
5328     TCGv t0 = tcg_temp_new();
5329     TCGv t1 = tcg_temp_new();
5330     tcg_gen_shli_tl(t0, cpu_gpr[rS(ctx->opcode)], sh);
5331     tcg_gen_shri_tl(t1, cpu_gpr[rS(ctx->opcode)], 32 - sh);
5332     tcg_gen_or_tl(t1, t0, t1);
5333     tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
5334     gen_store_spr(SPR_MQ, t1);
5335     tcg_temp_free(t0);
5336     tcg_temp_free(t1);
5337     if (unlikely(Rc(ctx->opcode) != 0))
5338         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5339 }
5340 
5341 /* slliq - slliq. */
5342 static void gen_slliq(DisasContext *ctx)
5343 {
5344     int sh = SH(ctx->opcode);
5345     TCGv t0 = tcg_temp_new();
5346     TCGv t1 = tcg_temp_new();
5347     tcg_gen_rotli_tl(t0, cpu_gpr[rS(ctx->opcode)], sh);
5348     gen_load_spr(t1, SPR_MQ);
5349     gen_store_spr(SPR_MQ, t0);
5350     tcg_gen_andi_tl(t0, t0,  (0xFFFFFFFFU << sh));
5351     tcg_gen_andi_tl(t1, t1, ~(0xFFFFFFFFU << sh));
5352     tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
5353     tcg_temp_free(t0);
5354     tcg_temp_free(t1);
5355     if (unlikely(Rc(ctx->opcode) != 0))
5356         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5357 }
5358 
5359 /* sllq - sllq. */
5360 static void gen_sllq(DisasContext *ctx)
5361 {
5362     TCGLabel *l1 = gen_new_label();
5363     TCGLabel *l2 = gen_new_label();
5364     TCGv t0 = tcg_temp_local_new();
5365     TCGv t1 = tcg_temp_local_new();
5366     TCGv t2 = tcg_temp_local_new();
5367     tcg_gen_andi_tl(t2, cpu_gpr[rB(ctx->opcode)], 0x1F);
5368     tcg_gen_movi_tl(t1, 0xFFFFFFFF);
5369     tcg_gen_shl_tl(t1, t1, t2);
5370     tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x20);
5371     tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1);
5372     gen_load_spr(t0, SPR_MQ);
5373     tcg_gen_and_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
5374     tcg_gen_br(l2);
5375     gen_set_label(l1);
5376     tcg_gen_shl_tl(t0, cpu_gpr[rS(ctx->opcode)], t2);
5377     gen_load_spr(t2, SPR_MQ);
5378     tcg_gen_andc_tl(t1, t2, t1);
5379     tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
5380     gen_set_label(l2);
5381     tcg_temp_free(t0);
5382     tcg_temp_free(t1);
5383     tcg_temp_free(t2);
5384     if (unlikely(Rc(ctx->opcode) != 0))
5385         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5386 }
5387 
5388 /* slq - slq. */
5389 static void gen_slq(DisasContext *ctx)
5390 {
5391     TCGLabel *l1 = gen_new_label();
5392     TCGv t0 = tcg_temp_new();
5393     TCGv t1 = tcg_temp_new();
5394     tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F);
5395     tcg_gen_shl_tl(t0, cpu_gpr[rS(ctx->opcode)], t1);
5396     tcg_gen_subfi_tl(t1, 32, t1);
5397     tcg_gen_shr_tl(t1, cpu_gpr[rS(ctx->opcode)], t1);
5398     tcg_gen_or_tl(t1, t0, t1);
5399     gen_store_spr(SPR_MQ, t1);
5400     tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x20);
5401     tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
5402     tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1);
5403     tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0);
5404     gen_set_label(l1);
5405     tcg_temp_free(t0);
5406     tcg_temp_free(t1);
5407     if (unlikely(Rc(ctx->opcode) != 0))
5408         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5409 }
5410 
5411 /* sraiq - sraiq. */
5412 static void gen_sraiq(DisasContext *ctx)
5413 {
5414     int sh = SH(ctx->opcode);
5415     TCGLabel *l1 = gen_new_label();
5416     TCGv t0 = tcg_temp_new();
5417     TCGv t1 = tcg_temp_new();
5418     tcg_gen_shri_tl(t0, cpu_gpr[rS(ctx->opcode)], sh);
5419     tcg_gen_shli_tl(t1, cpu_gpr[rS(ctx->opcode)], 32 - sh);
5420     tcg_gen_or_tl(t0, t0, t1);
5421     gen_store_spr(SPR_MQ, t0);
5422     tcg_gen_movi_tl(cpu_ca, 0);
5423     tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1);
5424     tcg_gen_brcondi_tl(TCG_COND_GE, cpu_gpr[rS(ctx->opcode)], 0, l1);
5425     tcg_gen_movi_tl(cpu_ca, 1);
5426     gen_set_label(l1);
5427     tcg_gen_sari_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], sh);
5428     tcg_temp_free(t0);
5429     tcg_temp_free(t1);
5430     if (unlikely(Rc(ctx->opcode) != 0))
5431         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5432 }
5433 
5434 /* sraq - sraq. */
5435 static void gen_sraq(DisasContext *ctx)
5436 {
5437     TCGLabel *l1 = gen_new_label();
5438     TCGLabel *l2 = gen_new_label();
5439     TCGv t0 = tcg_temp_new();
5440     TCGv t1 = tcg_temp_local_new();
5441     TCGv t2 = tcg_temp_local_new();
5442     tcg_gen_andi_tl(t2, cpu_gpr[rB(ctx->opcode)], 0x1F);
5443     tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t2);
5444     tcg_gen_sar_tl(t1, cpu_gpr[rS(ctx->opcode)], t2);
5445     tcg_gen_subfi_tl(t2, 32, t2);
5446     tcg_gen_shl_tl(t2, cpu_gpr[rS(ctx->opcode)], t2);
5447     tcg_gen_or_tl(t0, t0, t2);
5448     gen_store_spr(SPR_MQ, t0);
5449     tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x20);
5450     tcg_gen_brcondi_tl(TCG_COND_EQ, t2, 0, l1);
5451     tcg_gen_mov_tl(t2, cpu_gpr[rS(ctx->opcode)]);
5452     tcg_gen_sari_tl(t1, cpu_gpr[rS(ctx->opcode)], 31);
5453     gen_set_label(l1);
5454     tcg_temp_free(t0);
5455     tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t1);
5456     tcg_gen_movi_tl(cpu_ca, 0);
5457     tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l2);
5458     tcg_gen_brcondi_tl(TCG_COND_EQ, t2, 0, l2);
5459     tcg_gen_movi_tl(cpu_ca, 1);
5460     gen_set_label(l2);
5461     tcg_temp_free(t1);
5462     tcg_temp_free(t2);
5463     if (unlikely(Rc(ctx->opcode) != 0))
5464         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5465 }
5466 
5467 /* sre - sre. */
5468 static void gen_sre(DisasContext *ctx)
5469 {
5470     TCGv t0 = tcg_temp_new();
5471     TCGv t1 = tcg_temp_new();
5472     tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F);
5473     tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t1);
5474     tcg_gen_subfi_tl(t1, 32, t1);
5475     tcg_gen_shl_tl(t1, cpu_gpr[rS(ctx->opcode)], t1);
5476     tcg_gen_or_tl(t1, t0, t1);
5477     tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
5478     gen_store_spr(SPR_MQ, t1);
5479     tcg_temp_free(t0);
5480     tcg_temp_free(t1);
5481     if (unlikely(Rc(ctx->opcode) != 0))
5482         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5483 }
5484 
5485 /* srea - srea. */
5486 static void gen_srea(DisasContext *ctx)
5487 {
5488     TCGv t0 = tcg_temp_new();
5489     TCGv t1 = tcg_temp_new();
5490     tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F);
5491     tcg_gen_rotr_tl(t0, cpu_gpr[rS(ctx->opcode)], t1);
5492     gen_store_spr(SPR_MQ, t0);
5493     tcg_gen_sar_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], t1);
5494     tcg_temp_free(t0);
5495     tcg_temp_free(t1);
5496     if (unlikely(Rc(ctx->opcode) != 0))
5497         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5498 }
5499 
5500 /* sreq */
5501 static void gen_sreq(DisasContext *ctx)
5502 {
5503     TCGv t0 = tcg_temp_new();
5504     TCGv t1 = tcg_temp_new();
5505     TCGv t2 = tcg_temp_new();
5506     tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F);
5507     tcg_gen_movi_tl(t1, 0xFFFFFFFF);
5508     tcg_gen_shr_tl(t1, t1, t0);
5509     tcg_gen_rotr_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
5510     gen_load_spr(t2, SPR_MQ);
5511     gen_store_spr(SPR_MQ, t0);
5512     tcg_gen_and_tl(t0, t0, t1);
5513     tcg_gen_andc_tl(t2, t2, t1);
5514     tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t2);
5515     tcg_temp_free(t0);
5516     tcg_temp_free(t1);
5517     tcg_temp_free(t2);
5518     if (unlikely(Rc(ctx->opcode) != 0))
5519         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5520 }
5521 
5522 /* sriq */
5523 static void gen_sriq(DisasContext *ctx)
5524 {
5525     int sh = SH(ctx->opcode);
5526     TCGv t0 = tcg_temp_new();
5527     TCGv t1 = tcg_temp_new();
5528     tcg_gen_shri_tl(t0, cpu_gpr[rS(ctx->opcode)], sh);
5529     tcg_gen_shli_tl(t1, cpu_gpr[rS(ctx->opcode)], 32 - sh);
5530     tcg_gen_or_tl(t1, t0, t1);
5531     tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
5532     gen_store_spr(SPR_MQ, t1);
5533     tcg_temp_free(t0);
5534     tcg_temp_free(t1);
5535     if (unlikely(Rc(ctx->opcode) != 0))
5536         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5537 }
5538 
5539 /* srliq */
5540 static void gen_srliq(DisasContext *ctx)
5541 {
5542     int sh = SH(ctx->opcode);
5543     TCGv t0 = tcg_temp_new();
5544     TCGv t1 = tcg_temp_new();
5545     tcg_gen_rotri_tl(t0, cpu_gpr[rS(ctx->opcode)], sh);
5546     gen_load_spr(t1, SPR_MQ);
5547     gen_store_spr(SPR_MQ, t0);
5548     tcg_gen_andi_tl(t0, t0,  (0xFFFFFFFFU >> sh));
5549     tcg_gen_andi_tl(t1, t1, ~(0xFFFFFFFFU >> sh));
5550     tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
5551     tcg_temp_free(t0);
5552     tcg_temp_free(t1);
5553     if (unlikely(Rc(ctx->opcode) != 0))
5554         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5555 }
5556 
5557 /* srlq */
5558 static void gen_srlq(DisasContext *ctx)
5559 {
5560     TCGLabel *l1 = gen_new_label();
5561     TCGLabel *l2 = gen_new_label();
5562     TCGv t0 = tcg_temp_local_new();
5563     TCGv t1 = tcg_temp_local_new();
5564     TCGv t2 = tcg_temp_local_new();
5565     tcg_gen_andi_tl(t2, cpu_gpr[rB(ctx->opcode)], 0x1F);
5566     tcg_gen_movi_tl(t1, 0xFFFFFFFF);
5567     tcg_gen_shr_tl(t2, t1, t2);
5568     tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x20);
5569     tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1);
5570     gen_load_spr(t0, SPR_MQ);
5571     tcg_gen_and_tl(cpu_gpr[rA(ctx->opcode)], t0, t2);
5572     tcg_gen_br(l2);
5573     gen_set_label(l1);
5574     tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t2);
5575     tcg_gen_and_tl(t0, t0, t2);
5576     gen_load_spr(t1, SPR_MQ);
5577     tcg_gen_andc_tl(t1, t1, t2);
5578     tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
5579     gen_set_label(l2);
5580     tcg_temp_free(t0);
5581     tcg_temp_free(t1);
5582     tcg_temp_free(t2);
5583     if (unlikely(Rc(ctx->opcode) != 0))
5584         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5585 }
5586 
5587 /* srq */
5588 static void gen_srq(DisasContext *ctx)
5589 {
5590     TCGLabel *l1 = gen_new_label();
5591     TCGv t0 = tcg_temp_new();
5592     TCGv t1 = tcg_temp_new();
5593     tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F);
5594     tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t1);
5595     tcg_gen_subfi_tl(t1, 32, t1);
5596     tcg_gen_shl_tl(t1, cpu_gpr[rS(ctx->opcode)], t1);
5597     tcg_gen_or_tl(t1, t0, t1);
5598     gen_store_spr(SPR_MQ, t1);
5599     tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x20);
5600     tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
5601     tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1);
5602     tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0);
5603     gen_set_label(l1);
5604     tcg_temp_free(t0);
5605     tcg_temp_free(t1);
5606     if (unlikely(Rc(ctx->opcode) != 0))
5607         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5608 }
5609 
5610 /* PowerPC 602 specific instructions */
5611 
5612 /* dsa  */
5613 static void gen_dsa(DisasContext *ctx)
5614 {
5615     /* XXX: TODO */
5616     gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
5617 }
5618 
5619 /* esa */
5620 static void gen_esa(DisasContext *ctx)
5621 {
5622     /* XXX: TODO */
5623     gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
5624 }
5625 
5626 /* mfrom */
5627 static void gen_mfrom(DisasContext *ctx)
5628 {
5629 #if defined(CONFIG_USER_ONLY)
5630     GEN_PRIV;
5631 #else
5632     CHK_SV;
5633     gen_helper_602_mfrom(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
5634 #endif /* defined(CONFIG_USER_ONLY) */
5635 }
5636 
5637 /* 602 - 603 - G2 TLB management */
5638 
5639 /* tlbld */
5640 static void gen_tlbld_6xx(DisasContext *ctx)
5641 {
5642 #if defined(CONFIG_USER_ONLY)
5643     GEN_PRIV;
5644 #else
5645     CHK_SV;
5646     gen_helper_6xx_tlbd(cpu_env, cpu_gpr[rB(ctx->opcode)]);
5647 #endif /* defined(CONFIG_USER_ONLY) */
5648 }
5649 
5650 /* tlbli */
5651 static void gen_tlbli_6xx(DisasContext *ctx)
5652 {
5653 #if defined(CONFIG_USER_ONLY)
5654     GEN_PRIV;
5655 #else
5656     CHK_SV;
5657     gen_helper_6xx_tlbi(cpu_env, cpu_gpr[rB(ctx->opcode)]);
5658 #endif /* defined(CONFIG_USER_ONLY) */
5659 }
5660 
5661 /* 74xx TLB management */
5662 
5663 /* tlbld */
5664 static void gen_tlbld_74xx(DisasContext *ctx)
5665 {
5666 #if defined(CONFIG_USER_ONLY)
5667     GEN_PRIV;
5668 #else
5669     CHK_SV;
5670     gen_helper_74xx_tlbd(cpu_env, cpu_gpr[rB(ctx->opcode)]);
5671 #endif /* defined(CONFIG_USER_ONLY) */
5672 }
5673 
5674 /* tlbli */
5675 static void gen_tlbli_74xx(DisasContext *ctx)
5676 {
5677 #if defined(CONFIG_USER_ONLY)
5678     GEN_PRIV;
5679 #else
5680     CHK_SV;
5681     gen_helper_74xx_tlbi(cpu_env, cpu_gpr[rB(ctx->opcode)]);
5682 #endif /* defined(CONFIG_USER_ONLY) */
5683 }
5684 
5685 /* POWER instructions not in PowerPC 601 */
5686 
5687 /* clf */
5688 static void gen_clf(DisasContext *ctx)
5689 {
5690     /* Cache line flush: implemented as no-op */
5691 }
5692 
5693 /* cli */
5694 static void gen_cli(DisasContext *ctx)
5695 {
5696 #if defined(CONFIG_USER_ONLY)
5697     GEN_PRIV;
5698 #else
5699     /* Cache line invalidate: privileged and treated as no-op */
5700     CHK_SV;
5701 #endif /* defined(CONFIG_USER_ONLY) */
5702 }
5703 
5704 /* dclst */
5705 static void gen_dclst(DisasContext *ctx)
5706 {
5707     /* Data cache line store: treated as no-op */
5708 }
5709 
5710 static void gen_mfsri(DisasContext *ctx)
5711 {
5712 #if defined(CONFIG_USER_ONLY)
5713     GEN_PRIV;
5714 #else
5715     int ra = rA(ctx->opcode);
5716     int rd = rD(ctx->opcode);
5717     TCGv t0;
5718 
5719     CHK_SV;
5720     t0 = tcg_temp_new();
5721     gen_addr_reg_index(ctx, t0);
5722     tcg_gen_extract_tl(t0, t0, 28, 4);
5723     gen_helper_load_sr(cpu_gpr[rd], cpu_env, t0);
5724     tcg_temp_free(t0);
5725     if (ra != 0 && ra != rd)
5726         tcg_gen_mov_tl(cpu_gpr[ra], cpu_gpr[rd]);
5727 #endif /* defined(CONFIG_USER_ONLY) */
5728 }
5729 
5730 static void gen_rac(DisasContext *ctx)
5731 {
5732 #if defined(CONFIG_USER_ONLY)
5733     GEN_PRIV;
5734 #else
5735     TCGv t0;
5736 
5737     CHK_SV;
5738     t0 = tcg_temp_new();
5739     gen_addr_reg_index(ctx, t0);
5740     gen_helper_rac(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
5741     tcg_temp_free(t0);
5742 #endif /* defined(CONFIG_USER_ONLY) */
5743 }
5744 
5745 static void gen_rfsvc(DisasContext *ctx)
5746 {
5747 #if defined(CONFIG_USER_ONLY)
5748     GEN_PRIV;
5749 #else
5750     CHK_SV;
5751 
5752     gen_helper_rfsvc(cpu_env);
5753     gen_sync_exception(ctx);
5754 #endif /* defined(CONFIG_USER_ONLY) */
5755 }
5756 
5757 /* svc is not implemented for now */
5758 
5759 /* BookE specific instructions */
5760 
5761 /* XXX: not implemented on 440 ? */
5762 static void gen_mfapidi(DisasContext *ctx)
5763 {
5764     /* XXX: TODO */
5765     gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
5766 }
5767 
5768 /* XXX: not implemented on 440 ? */
5769 static void gen_tlbiva(DisasContext *ctx)
5770 {
5771 #if defined(CONFIG_USER_ONLY)
5772     GEN_PRIV;
5773 #else
5774     TCGv t0;
5775 
5776     CHK_SV;
5777     t0 = tcg_temp_new();
5778     gen_addr_reg_index(ctx, t0);
5779     gen_helper_tlbiva(cpu_env, cpu_gpr[rB(ctx->opcode)]);
5780     tcg_temp_free(t0);
5781 #endif /* defined(CONFIG_USER_ONLY) */
5782 }
5783 
5784 /* All 405 MAC instructions are translated here */
5785 static inline void gen_405_mulladd_insn(DisasContext *ctx, int opc2, int opc3,
5786                                         int ra, int rb, int rt, int Rc)
5787 {
5788     TCGv t0, t1;
5789 
5790     t0 = tcg_temp_local_new();
5791     t1 = tcg_temp_local_new();
5792 
5793     switch (opc3 & 0x0D) {
5794     case 0x05:
5795         /* macchw    - macchw.    - macchwo   - macchwo.   */
5796         /* macchws   - macchws.   - macchwso  - macchwso.  */
5797         /* nmacchw   - nmacchw.   - nmacchwo  - nmacchwo.  */
5798         /* nmacchws  - nmacchws.  - nmacchwso - nmacchwso. */
5799         /* mulchw - mulchw. */
5800         tcg_gen_ext16s_tl(t0, cpu_gpr[ra]);
5801         tcg_gen_sari_tl(t1, cpu_gpr[rb], 16);
5802         tcg_gen_ext16s_tl(t1, t1);
5803         break;
5804     case 0x04:
5805         /* macchwu   - macchwu.   - macchwuo  - macchwuo.  */
5806         /* macchwsu  - macchwsu.  - macchwsuo - macchwsuo. */
5807         /* mulchwu - mulchwu. */
5808         tcg_gen_ext16u_tl(t0, cpu_gpr[ra]);
5809         tcg_gen_shri_tl(t1, cpu_gpr[rb], 16);
5810         tcg_gen_ext16u_tl(t1, t1);
5811         break;
5812     case 0x01:
5813         /* machhw    - machhw.    - machhwo   - machhwo.   */
5814         /* machhws   - machhws.   - machhwso  - machhwso.  */
5815         /* nmachhw   - nmachhw.   - nmachhwo  - nmachhwo.  */
5816         /* nmachhws  - nmachhws.  - nmachhwso - nmachhwso. */
5817         /* mulhhw - mulhhw. */
5818         tcg_gen_sari_tl(t0, cpu_gpr[ra], 16);
5819         tcg_gen_ext16s_tl(t0, t0);
5820         tcg_gen_sari_tl(t1, cpu_gpr[rb], 16);
5821         tcg_gen_ext16s_tl(t1, t1);
5822         break;
5823     case 0x00:
5824         /* machhwu   - machhwu.   - machhwuo  - machhwuo.  */
5825         /* machhwsu  - machhwsu.  - machhwsuo - machhwsuo. */
5826         /* mulhhwu - mulhhwu. */
5827         tcg_gen_shri_tl(t0, cpu_gpr[ra], 16);
5828         tcg_gen_ext16u_tl(t0, t0);
5829         tcg_gen_shri_tl(t1, cpu_gpr[rb], 16);
5830         tcg_gen_ext16u_tl(t1, t1);
5831         break;
5832     case 0x0D:
5833         /* maclhw    - maclhw.    - maclhwo   - maclhwo.   */
5834         /* maclhws   - maclhws.   - maclhwso  - maclhwso.  */
5835         /* nmaclhw   - nmaclhw.   - nmaclhwo  - nmaclhwo.  */
5836         /* nmaclhws  - nmaclhws.  - nmaclhwso - nmaclhwso. */
5837         /* mullhw - mullhw. */
5838         tcg_gen_ext16s_tl(t0, cpu_gpr[ra]);
5839         tcg_gen_ext16s_tl(t1, cpu_gpr[rb]);
5840         break;
5841     case 0x0C:
5842         /* maclhwu   - maclhwu.   - maclhwuo  - maclhwuo.  */
5843         /* maclhwsu  - maclhwsu.  - maclhwsuo - maclhwsuo. */
5844         /* mullhwu - mullhwu. */
5845         tcg_gen_ext16u_tl(t0, cpu_gpr[ra]);
5846         tcg_gen_ext16u_tl(t1, cpu_gpr[rb]);
5847         break;
5848     }
5849     if (opc2 & 0x04) {
5850         /* (n)multiply-and-accumulate (0x0C / 0x0E) */
5851         tcg_gen_mul_tl(t1, t0, t1);
5852         if (opc2 & 0x02) {
5853             /* nmultiply-and-accumulate (0x0E) */
5854             tcg_gen_sub_tl(t0, cpu_gpr[rt], t1);
5855         } else {
5856             /* multiply-and-accumulate (0x0C) */
5857             tcg_gen_add_tl(t0, cpu_gpr[rt], t1);
5858         }
5859 
5860         if (opc3 & 0x12) {
5861             /* Check overflow and/or saturate */
5862             TCGLabel *l1 = gen_new_label();
5863 
5864             if (opc3 & 0x10) {
5865                 /* Start with XER OV disabled, the most likely case */
5866                 tcg_gen_movi_tl(cpu_ov, 0);
5867             }
5868             if (opc3 & 0x01) {
5869                 /* Signed */
5870                 tcg_gen_xor_tl(t1, cpu_gpr[rt], t1);
5871                 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1);
5872                 tcg_gen_xor_tl(t1, cpu_gpr[rt], t0);
5873                 tcg_gen_brcondi_tl(TCG_COND_LT, t1, 0, l1);
5874                 if (opc3 & 0x02) {
5875                     /* Saturate */
5876                     tcg_gen_sari_tl(t0, cpu_gpr[rt], 31);
5877                     tcg_gen_xori_tl(t0, t0, 0x7fffffff);
5878                 }
5879             } else {
5880                 /* Unsigned */
5881                 tcg_gen_brcond_tl(TCG_COND_GEU, t0, t1, l1);
5882                 if (opc3 & 0x02) {
5883                     /* Saturate */
5884                     tcg_gen_movi_tl(t0, UINT32_MAX);
5885                 }
5886             }
5887             if (opc3 & 0x10) {
5888                 /* Check overflow */
5889                 tcg_gen_movi_tl(cpu_ov, 1);
5890                 tcg_gen_movi_tl(cpu_so, 1);
5891             }
5892             gen_set_label(l1);
5893             tcg_gen_mov_tl(cpu_gpr[rt], t0);
5894         }
5895     } else {
5896         tcg_gen_mul_tl(cpu_gpr[rt], t0, t1);
5897     }
5898     tcg_temp_free(t0);
5899     tcg_temp_free(t1);
5900     if (unlikely(Rc) != 0) {
5901         /* Update Rc0 */
5902         gen_set_Rc0(ctx, cpu_gpr[rt]);
5903     }
5904 }
5905 
5906 #define GEN_MAC_HANDLER(name, opc2, opc3)                                     \
5907 static void glue(gen_, name)(DisasContext *ctx)                               \
5908 {                                                                             \
5909     gen_405_mulladd_insn(ctx, opc2, opc3, rA(ctx->opcode), rB(ctx->opcode),   \
5910                          rD(ctx->opcode), Rc(ctx->opcode));                   \
5911 }
5912 
5913 /* macchw    - macchw.    */
5914 GEN_MAC_HANDLER(macchw, 0x0C, 0x05);
5915 /* macchwo   - macchwo.   */
5916 GEN_MAC_HANDLER(macchwo, 0x0C, 0x15);
5917 /* macchws   - macchws.   */
5918 GEN_MAC_HANDLER(macchws, 0x0C, 0x07);
5919 /* macchwso  - macchwso.  */
5920 GEN_MAC_HANDLER(macchwso, 0x0C, 0x17);
5921 /* macchwsu  - macchwsu.  */
5922 GEN_MAC_HANDLER(macchwsu, 0x0C, 0x06);
5923 /* macchwsuo - macchwsuo. */
5924 GEN_MAC_HANDLER(macchwsuo, 0x0C, 0x16);
5925 /* macchwu   - macchwu.   */
5926 GEN_MAC_HANDLER(macchwu, 0x0C, 0x04);
5927 /* macchwuo  - macchwuo.  */
5928 GEN_MAC_HANDLER(macchwuo, 0x0C, 0x14);
5929 /* machhw    - machhw.    */
5930 GEN_MAC_HANDLER(machhw, 0x0C, 0x01);
5931 /* machhwo   - machhwo.   */
5932 GEN_MAC_HANDLER(machhwo, 0x0C, 0x11);
5933 /* machhws   - machhws.   */
5934 GEN_MAC_HANDLER(machhws, 0x0C, 0x03);
5935 /* machhwso  - machhwso.  */
5936 GEN_MAC_HANDLER(machhwso, 0x0C, 0x13);
5937 /* machhwsu  - machhwsu.  */
5938 GEN_MAC_HANDLER(machhwsu, 0x0C, 0x02);
5939 /* machhwsuo - machhwsuo. */
5940 GEN_MAC_HANDLER(machhwsuo, 0x0C, 0x12);
5941 /* machhwu   - machhwu.   */
5942 GEN_MAC_HANDLER(machhwu, 0x0C, 0x00);
5943 /* machhwuo  - machhwuo.  */
5944 GEN_MAC_HANDLER(machhwuo, 0x0C, 0x10);
5945 /* maclhw    - maclhw.    */
5946 GEN_MAC_HANDLER(maclhw, 0x0C, 0x0D);
5947 /* maclhwo   - maclhwo.   */
5948 GEN_MAC_HANDLER(maclhwo, 0x0C, 0x1D);
5949 /* maclhws   - maclhws.   */
5950 GEN_MAC_HANDLER(maclhws, 0x0C, 0x0F);
5951 /* maclhwso  - maclhwso.  */
5952 GEN_MAC_HANDLER(maclhwso, 0x0C, 0x1F);
5953 /* maclhwu   - maclhwu.   */
5954 GEN_MAC_HANDLER(maclhwu, 0x0C, 0x0C);
5955 /* maclhwuo  - maclhwuo.  */
5956 GEN_MAC_HANDLER(maclhwuo, 0x0C, 0x1C);
5957 /* maclhwsu  - maclhwsu.  */
5958 GEN_MAC_HANDLER(maclhwsu, 0x0C, 0x0E);
5959 /* maclhwsuo - maclhwsuo. */
5960 GEN_MAC_HANDLER(maclhwsuo, 0x0C, 0x1E);
5961 /* nmacchw   - nmacchw.   */
5962 GEN_MAC_HANDLER(nmacchw, 0x0E, 0x05);
5963 /* nmacchwo  - nmacchwo.  */
5964 GEN_MAC_HANDLER(nmacchwo, 0x0E, 0x15);
5965 /* nmacchws  - nmacchws.  */
5966 GEN_MAC_HANDLER(nmacchws, 0x0E, 0x07);
5967 /* nmacchwso - nmacchwso. */
5968 GEN_MAC_HANDLER(nmacchwso, 0x0E, 0x17);
5969 /* nmachhw   - nmachhw.   */
5970 GEN_MAC_HANDLER(nmachhw, 0x0E, 0x01);
5971 /* nmachhwo  - nmachhwo.  */
5972 GEN_MAC_HANDLER(nmachhwo, 0x0E, 0x11);
5973 /* nmachhws  - nmachhws.  */
5974 GEN_MAC_HANDLER(nmachhws, 0x0E, 0x03);
5975 /* nmachhwso - nmachhwso. */
5976 GEN_MAC_HANDLER(nmachhwso, 0x0E, 0x13);
5977 /* nmaclhw   - nmaclhw.   */
5978 GEN_MAC_HANDLER(nmaclhw, 0x0E, 0x0D);
5979 /* nmaclhwo  - nmaclhwo.  */
5980 GEN_MAC_HANDLER(nmaclhwo, 0x0E, 0x1D);
5981 /* nmaclhws  - nmaclhws.  */
5982 GEN_MAC_HANDLER(nmaclhws, 0x0E, 0x0F);
5983 /* nmaclhwso - nmaclhwso. */
5984 GEN_MAC_HANDLER(nmaclhwso, 0x0E, 0x1F);
5985 
5986 /* mulchw  - mulchw.  */
5987 GEN_MAC_HANDLER(mulchw, 0x08, 0x05);
5988 /* mulchwu - mulchwu. */
5989 GEN_MAC_HANDLER(mulchwu, 0x08, 0x04);
5990 /* mulhhw  - mulhhw.  */
5991 GEN_MAC_HANDLER(mulhhw, 0x08, 0x01);
5992 /* mulhhwu - mulhhwu. */
5993 GEN_MAC_HANDLER(mulhhwu, 0x08, 0x00);
5994 /* mullhw  - mullhw.  */
5995 GEN_MAC_HANDLER(mullhw, 0x08, 0x0D);
5996 /* mullhwu - mullhwu. */
5997 GEN_MAC_HANDLER(mullhwu, 0x08, 0x0C);
5998 
5999 /* mfdcr */
6000 static void gen_mfdcr(DisasContext *ctx)
6001 {
6002 #if defined(CONFIG_USER_ONLY)
6003     GEN_PRIV;
6004 #else
6005     TCGv dcrn;
6006 
6007     CHK_SV;
6008     dcrn = tcg_const_tl(SPR(ctx->opcode));
6009     gen_helper_load_dcr(cpu_gpr[rD(ctx->opcode)], cpu_env, dcrn);
6010     tcg_temp_free(dcrn);
6011 #endif /* defined(CONFIG_USER_ONLY) */
6012 }
6013 
6014 /* mtdcr */
6015 static void gen_mtdcr(DisasContext *ctx)
6016 {
6017 #if defined(CONFIG_USER_ONLY)
6018     GEN_PRIV;
6019 #else
6020     TCGv dcrn;
6021 
6022     CHK_SV;
6023     dcrn = tcg_const_tl(SPR(ctx->opcode));
6024     gen_helper_store_dcr(cpu_env, dcrn, cpu_gpr[rS(ctx->opcode)]);
6025     tcg_temp_free(dcrn);
6026 #endif /* defined(CONFIG_USER_ONLY) */
6027 }
6028 
6029 /* mfdcrx */
6030 /* XXX: not implemented on 440 ? */
6031 static void gen_mfdcrx(DisasContext *ctx)
6032 {
6033 #if defined(CONFIG_USER_ONLY)
6034     GEN_PRIV;
6035 #else
6036     CHK_SV;
6037     gen_helper_load_dcr(cpu_gpr[rD(ctx->opcode)], cpu_env,
6038                         cpu_gpr[rA(ctx->opcode)]);
6039     /* Note: Rc update flag set leads to undefined state of Rc0 */
6040 #endif /* defined(CONFIG_USER_ONLY) */
6041 }
6042 
6043 /* mtdcrx */
6044 /* XXX: not implemented on 440 ? */
6045 static void gen_mtdcrx(DisasContext *ctx)
6046 {
6047 #if defined(CONFIG_USER_ONLY)
6048     GEN_PRIV;
6049 #else
6050     CHK_SV;
6051     gen_helper_store_dcr(cpu_env, cpu_gpr[rA(ctx->opcode)],
6052                          cpu_gpr[rS(ctx->opcode)]);
6053     /* Note: Rc update flag set leads to undefined state of Rc0 */
6054 #endif /* defined(CONFIG_USER_ONLY) */
6055 }
6056 
6057 /* mfdcrux (PPC 460) : user-mode access to DCR */
6058 static void gen_mfdcrux(DisasContext *ctx)
6059 {
6060     gen_helper_load_dcr(cpu_gpr[rD(ctx->opcode)], cpu_env,
6061                         cpu_gpr[rA(ctx->opcode)]);
6062     /* Note: Rc update flag set leads to undefined state of Rc0 */
6063 }
6064 
6065 /* mtdcrux (PPC 460) : user-mode access to DCR */
6066 static void gen_mtdcrux(DisasContext *ctx)
6067 {
6068     gen_helper_store_dcr(cpu_env, cpu_gpr[rA(ctx->opcode)],
6069                          cpu_gpr[rS(ctx->opcode)]);
6070     /* Note: Rc update flag set leads to undefined state of Rc0 */
6071 }
6072 
6073 /* dccci */
6074 static void gen_dccci(DisasContext *ctx)
6075 {
6076     CHK_SV;
6077     /* interpreted as no-op */
6078 }
6079 
6080 /* dcread */
6081 static void gen_dcread(DisasContext *ctx)
6082 {
6083 #if defined(CONFIG_USER_ONLY)
6084     GEN_PRIV;
6085 #else
6086     TCGv EA, val;
6087 
6088     CHK_SV;
6089     gen_set_access_type(ctx, ACCESS_CACHE);
6090     EA = tcg_temp_new();
6091     gen_addr_reg_index(ctx, EA);
6092     val = tcg_temp_new();
6093     gen_qemu_ld32u(ctx, val, EA);
6094     tcg_temp_free(val);
6095     tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], EA);
6096     tcg_temp_free(EA);
6097 #endif /* defined(CONFIG_USER_ONLY) */
6098 }
6099 
6100 /* icbt */
6101 static void gen_icbt_40x(DisasContext *ctx)
6102 {
6103     /* interpreted as no-op */
6104     /* XXX: specification say this is treated as a load by the MMU
6105      *      but does not generate any exception
6106      */
6107 }
6108 
6109 /* iccci */
6110 static void gen_iccci(DisasContext *ctx)
6111 {
6112     CHK_SV;
6113     /* interpreted as no-op */
6114 }
6115 
6116 /* icread */
6117 static void gen_icread(DisasContext *ctx)
6118 {
6119     CHK_SV;
6120     /* interpreted as no-op */
6121 }
6122 
6123 /* rfci (supervisor only) */
6124 static void gen_rfci_40x(DisasContext *ctx)
6125 {
6126 #if defined(CONFIG_USER_ONLY)
6127     GEN_PRIV;
6128 #else
6129     CHK_SV;
6130     /* Restore CPU state */
6131     gen_helper_40x_rfci(cpu_env);
6132     gen_sync_exception(ctx);
6133 #endif /* defined(CONFIG_USER_ONLY) */
6134 }
6135 
6136 static void gen_rfci(DisasContext *ctx)
6137 {
6138 #if defined(CONFIG_USER_ONLY)
6139     GEN_PRIV;
6140 #else
6141     CHK_SV;
6142     /* Restore CPU state */
6143     gen_helper_rfci(cpu_env);
6144     gen_sync_exception(ctx);
6145 #endif /* defined(CONFIG_USER_ONLY) */
6146 }
6147 
6148 /* BookE specific */
6149 
6150 /* XXX: not implemented on 440 ? */
6151 static void gen_rfdi(DisasContext *ctx)
6152 {
6153 #if defined(CONFIG_USER_ONLY)
6154     GEN_PRIV;
6155 #else
6156     CHK_SV;
6157     /* Restore CPU state */
6158     gen_helper_rfdi(cpu_env);
6159     gen_sync_exception(ctx);
6160 #endif /* defined(CONFIG_USER_ONLY) */
6161 }
6162 
6163 /* XXX: not implemented on 440 ? */
6164 static void gen_rfmci(DisasContext *ctx)
6165 {
6166 #if defined(CONFIG_USER_ONLY)
6167     GEN_PRIV;
6168 #else
6169     CHK_SV;
6170     /* Restore CPU state */
6171     gen_helper_rfmci(cpu_env);
6172     gen_sync_exception(ctx);
6173 #endif /* defined(CONFIG_USER_ONLY) */
6174 }
6175 
6176 /* TLB management - PowerPC 405 implementation */
6177 
6178 /* tlbre */
6179 static void gen_tlbre_40x(DisasContext *ctx)
6180 {
6181 #if defined(CONFIG_USER_ONLY)
6182     GEN_PRIV;
6183 #else
6184     CHK_SV;
6185     switch (rB(ctx->opcode)) {
6186     case 0:
6187         gen_helper_4xx_tlbre_hi(cpu_gpr[rD(ctx->opcode)], cpu_env,
6188                                 cpu_gpr[rA(ctx->opcode)]);
6189         break;
6190     case 1:
6191         gen_helper_4xx_tlbre_lo(cpu_gpr[rD(ctx->opcode)], cpu_env,
6192                                 cpu_gpr[rA(ctx->opcode)]);
6193         break;
6194     default:
6195         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
6196         break;
6197     }
6198 #endif /* defined(CONFIG_USER_ONLY) */
6199 }
6200 
6201 /* tlbsx - tlbsx. */
6202 static void gen_tlbsx_40x(DisasContext *ctx)
6203 {
6204 #if defined(CONFIG_USER_ONLY)
6205     GEN_PRIV;
6206 #else
6207     TCGv t0;
6208 
6209     CHK_SV;
6210     t0 = tcg_temp_new();
6211     gen_addr_reg_index(ctx, t0);
6212     gen_helper_4xx_tlbsx(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
6213     tcg_temp_free(t0);
6214     if (Rc(ctx->opcode)) {
6215         TCGLabel *l1 = gen_new_label();
6216         tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so);
6217         tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[rD(ctx->opcode)], -1, l1);
6218         tcg_gen_ori_i32(cpu_crf[0], cpu_crf[0], 0x02);
6219         gen_set_label(l1);
6220     }
6221 #endif /* defined(CONFIG_USER_ONLY) */
6222 }
6223 
6224 /* tlbwe */
6225 static void gen_tlbwe_40x(DisasContext *ctx)
6226 {
6227 #if defined(CONFIG_USER_ONLY)
6228     GEN_PRIV;
6229 #else
6230     CHK_SV;
6231 
6232     switch (rB(ctx->opcode)) {
6233     case 0:
6234         gen_helper_4xx_tlbwe_hi(cpu_env, cpu_gpr[rA(ctx->opcode)],
6235                                 cpu_gpr[rS(ctx->opcode)]);
6236         break;
6237     case 1:
6238         gen_helper_4xx_tlbwe_lo(cpu_env, cpu_gpr[rA(ctx->opcode)],
6239                                 cpu_gpr[rS(ctx->opcode)]);
6240         break;
6241     default:
6242         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
6243         break;
6244     }
6245 #endif /* defined(CONFIG_USER_ONLY) */
6246 }
6247 
6248 /* TLB management - PowerPC 440 implementation */
6249 
6250 /* tlbre */
6251 static void gen_tlbre_440(DisasContext *ctx)
6252 {
6253 #if defined(CONFIG_USER_ONLY)
6254     GEN_PRIV;
6255 #else
6256     CHK_SV;
6257 
6258     switch (rB(ctx->opcode)) {
6259     case 0:
6260     case 1:
6261     case 2:
6262         {
6263             TCGv_i32 t0 = tcg_const_i32(rB(ctx->opcode));
6264             gen_helper_440_tlbre(cpu_gpr[rD(ctx->opcode)], cpu_env,
6265                                  t0, cpu_gpr[rA(ctx->opcode)]);
6266             tcg_temp_free_i32(t0);
6267         }
6268         break;
6269     default:
6270         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
6271         break;
6272     }
6273 #endif /* defined(CONFIG_USER_ONLY) */
6274 }
6275 
6276 /* tlbsx - tlbsx. */
6277 static void gen_tlbsx_440(DisasContext *ctx)
6278 {
6279 #if defined(CONFIG_USER_ONLY)
6280     GEN_PRIV;
6281 #else
6282     TCGv t0;
6283 
6284     CHK_SV;
6285     t0 = tcg_temp_new();
6286     gen_addr_reg_index(ctx, t0);
6287     gen_helper_440_tlbsx(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
6288     tcg_temp_free(t0);
6289     if (Rc(ctx->opcode)) {
6290         TCGLabel *l1 = gen_new_label();
6291         tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so);
6292         tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[rD(ctx->opcode)], -1, l1);
6293         tcg_gen_ori_i32(cpu_crf[0], cpu_crf[0], 0x02);
6294         gen_set_label(l1);
6295     }
6296 #endif /* defined(CONFIG_USER_ONLY) */
6297 }
6298 
6299 /* tlbwe */
6300 static void gen_tlbwe_440(DisasContext *ctx)
6301 {
6302 #if defined(CONFIG_USER_ONLY)
6303     GEN_PRIV;
6304 #else
6305     CHK_SV;
6306     switch (rB(ctx->opcode)) {
6307     case 0:
6308     case 1:
6309     case 2:
6310         {
6311             TCGv_i32 t0 = tcg_const_i32(rB(ctx->opcode));
6312             gen_helper_440_tlbwe(cpu_env, t0, cpu_gpr[rA(ctx->opcode)],
6313                                  cpu_gpr[rS(ctx->opcode)]);
6314             tcg_temp_free_i32(t0);
6315         }
6316         break;
6317     default:
6318         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
6319         break;
6320     }
6321 #endif /* defined(CONFIG_USER_ONLY) */
6322 }
6323 
6324 /* TLB management - PowerPC BookE 2.06 implementation */
6325 
6326 /* tlbre */
6327 static void gen_tlbre_booke206(DisasContext *ctx)
6328 {
6329  #if defined(CONFIG_USER_ONLY)
6330     GEN_PRIV;
6331 #else
6332    CHK_SV;
6333     gen_helper_booke206_tlbre(cpu_env);
6334 #endif /* defined(CONFIG_USER_ONLY) */
6335 }
6336 
6337 /* tlbsx - tlbsx. */
6338 static void gen_tlbsx_booke206(DisasContext *ctx)
6339 {
6340 #if defined(CONFIG_USER_ONLY)
6341     GEN_PRIV;
6342 #else
6343     TCGv t0;
6344 
6345     CHK_SV;
6346     if (rA(ctx->opcode)) {
6347         t0 = tcg_temp_new();
6348         tcg_gen_mov_tl(t0, cpu_gpr[rD(ctx->opcode)]);
6349     } else {
6350         t0 = tcg_const_tl(0);
6351     }
6352 
6353     tcg_gen_add_tl(t0, t0, cpu_gpr[rB(ctx->opcode)]);
6354     gen_helper_booke206_tlbsx(cpu_env, t0);
6355     tcg_temp_free(t0);
6356 #endif /* defined(CONFIG_USER_ONLY) */
6357 }
6358 
6359 /* tlbwe */
6360 static void gen_tlbwe_booke206(DisasContext *ctx)
6361 {
6362 #if defined(CONFIG_USER_ONLY)
6363     GEN_PRIV;
6364 #else
6365     CHK_SV;
6366     gen_helper_booke206_tlbwe(cpu_env);
6367 #endif /* defined(CONFIG_USER_ONLY) */
6368 }
6369 
6370 static void gen_tlbivax_booke206(DisasContext *ctx)
6371 {
6372 #if defined(CONFIG_USER_ONLY)
6373     GEN_PRIV;
6374 #else
6375     TCGv t0;
6376 
6377     CHK_SV;
6378     t0 = tcg_temp_new();
6379     gen_addr_reg_index(ctx, t0);
6380     gen_helper_booke206_tlbivax(cpu_env, t0);
6381     tcg_temp_free(t0);
6382 #endif /* defined(CONFIG_USER_ONLY) */
6383 }
6384 
6385 static void gen_tlbilx_booke206(DisasContext *ctx)
6386 {
6387 #if defined(CONFIG_USER_ONLY)
6388     GEN_PRIV;
6389 #else
6390     TCGv t0;
6391 
6392     CHK_SV;
6393     t0 = tcg_temp_new();
6394     gen_addr_reg_index(ctx, t0);
6395 
6396     switch((ctx->opcode >> 21) & 0x3) {
6397     case 0:
6398         gen_helper_booke206_tlbilx0(cpu_env, t0);
6399         break;
6400     case 1:
6401         gen_helper_booke206_tlbilx1(cpu_env, t0);
6402         break;
6403     case 3:
6404         gen_helper_booke206_tlbilx3(cpu_env, t0);
6405         break;
6406     default:
6407         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
6408         break;
6409     }
6410 
6411     tcg_temp_free(t0);
6412 #endif /* defined(CONFIG_USER_ONLY) */
6413 }
6414 
6415 
6416 /* wrtee */
6417 static void gen_wrtee(DisasContext *ctx)
6418 {
6419 #if defined(CONFIG_USER_ONLY)
6420     GEN_PRIV;
6421 #else
6422     TCGv t0;
6423 
6424     CHK_SV;
6425     t0 = tcg_temp_new();
6426     tcg_gen_andi_tl(t0, cpu_gpr[rD(ctx->opcode)], (1 << MSR_EE));
6427     tcg_gen_andi_tl(cpu_msr, cpu_msr, ~(1 << MSR_EE));
6428     tcg_gen_or_tl(cpu_msr, cpu_msr, t0);
6429     tcg_temp_free(t0);
6430     /* Stop translation to have a chance to raise an exception
6431      * if we just set msr_ee to 1
6432      */
6433     gen_stop_exception(ctx);
6434 #endif /* defined(CONFIG_USER_ONLY) */
6435 }
6436 
6437 /* wrteei */
6438 static void gen_wrteei(DisasContext *ctx)
6439 {
6440 #if defined(CONFIG_USER_ONLY)
6441     GEN_PRIV;
6442 #else
6443     CHK_SV;
6444     if (ctx->opcode & 0x00008000) {
6445         tcg_gen_ori_tl(cpu_msr, cpu_msr, (1 << MSR_EE));
6446         /* Stop translation to have a chance to raise an exception */
6447         gen_stop_exception(ctx);
6448     } else {
6449         tcg_gen_andi_tl(cpu_msr, cpu_msr, ~(1 << MSR_EE));
6450     }
6451 #endif /* defined(CONFIG_USER_ONLY) */
6452 }
6453 
6454 /* PowerPC 440 specific instructions */
6455 
6456 /* dlmzb */
6457 static void gen_dlmzb(DisasContext *ctx)
6458 {
6459     TCGv_i32 t0 = tcg_const_i32(Rc(ctx->opcode));
6460     gen_helper_dlmzb(cpu_gpr[rA(ctx->opcode)], cpu_env,
6461                      cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], t0);
6462     tcg_temp_free_i32(t0);
6463 }
6464 
6465 /* mbar replaces eieio on 440 */
6466 static void gen_mbar(DisasContext *ctx)
6467 {
6468     /* interpreted as no-op */
6469 }
6470 
6471 /* msync replaces sync on 440 */
6472 static void gen_msync_4xx(DisasContext *ctx)
6473 {
6474     /* Only e500 seems to treat reserved bits as invalid */
6475     if ((ctx->insns_flags2 & PPC2_BOOKE206) &&
6476         (ctx->opcode & 0x03FFF801)) {
6477         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
6478     }
6479     /* otherwise 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, 0x039FF801, 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);
7789         gen_exception_nip(ctx, excp, ctx->base.pc_next);
7790     }
7791 
7792     if (tcg_check_temp_count()) {
7793         qemu_log("Opcode %02x %02x %02x %02x (%08x) leaked "
7794                  "temporaries\n", opc1(ctx->opcode), opc2(ctx->opcode),
7795                  opc3(ctx->opcode), opc4(ctx->opcode), ctx->opcode);
7796     }
7797 
7798     ctx->base.is_jmp = ctx->exception == POWERPC_EXCP_NONE ?
7799         DISAS_NEXT : DISAS_NORETURN;
7800 }
7801 
7802 static void ppc_tr_tb_stop(DisasContextBase *dcbase, CPUState *cs)
7803 {
7804     DisasContext *ctx = container_of(dcbase, DisasContext, base);
7805 
7806     if (ctx->exception == POWERPC_EXCP_NONE) {
7807         gen_goto_tb(ctx, 0, ctx->base.pc_next);
7808     } else if (ctx->exception != POWERPC_EXCP_BRANCH) {
7809         if (unlikely(ctx->base.singlestep_enabled)) {
7810             gen_debug_exception(ctx);
7811         }
7812         /* Generate the return instruction */
7813         tcg_gen_exit_tb(NULL, 0);
7814     }
7815 }
7816 
7817 static void ppc_tr_disas_log(const DisasContextBase *dcbase, CPUState *cs)
7818 {
7819     qemu_log("IN: %s\n", lookup_symbol(dcbase->pc_first));
7820     log_target_disas(cs, dcbase->pc_first, dcbase->tb->size);
7821 }
7822 
7823 static const TranslatorOps ppc_tr_ops = {
7824     .init_disas_context = ppc_tr_init_disas_context,
7825     .tb_start           = ppc_tr_tb_start,
7826     .insn_start         = ppc_tr_insn_start,
7827     .breakpoint_check   = ppc_tr_breakpoint_check,
7828     .translate_insn     = ppc_tr_translate_insn,
7829     .tb_stop            = ppc_tr_tb_stop,
7830     .disas_log          = ppc_tr_disas_log,
7831 };
7832 
7833 void gen_intermediate_code(CPUState *cs, struct TranslationBlock *tb)
7834 {
7835     DisasContext ctx;
7836 
7837     translator_loop(&ppc_tr_ops, &ctx.base, cs, tb);
7838 }
7839 
7840 void restore_state_to_opc(CPUPPCState *env, TranslationBlock *tb,
7841                           target_ulong *data)
7842 {
7843     env->nip = data[0];
7844 }
7845