xref: /qemu/target/ppc/translate.c (revision 01b2ffce)
1 /*
2  *  PowerPC emulation for qemu: main translation routines.
3  *
4  *  Copyright (c) 2003-2007 Jocelyn Mayer
5  *  Copyright (C) 2011 Freescale Semiconductor, Inc.
6  *
7  * This library is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU Lesser General Public
9  * License as published by the Free Software Foundation; either
10  * version 2 of the License, or (at your option) any later version.
11  *
12  * This library is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15  * Lesser General Public License for more details.
16  *
17  * You should have received a copy of the GNU Lesser General Public
18  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
19  */
20 
21 #include "qemu/osdep.h"
22 #include "cpu.h"
23 #include "internal.h"
24 #include "disas/disas.h"
25 #include "exec/exec-all.h"
26 #include "tcg-op.h"
27 #include "qemu/host-utils.h"
28 #include "exec/cpu_ldst.h"
29 
30 #include "exec/helper-proto.h"
31 #include "exec/helper-gen.h"
32 
33 #include "trace-tcg.h"
34 #include "exec/log.h"
35 
36 
37 #define CPU_SINGLE_STEP 0x1
38 #define CPU_BRANCH_STEP 0x2
39 #define GDBSTUB_SINGLE_STEP 0x4
40 
41 /* Include definitions for instructions classes and implementations flags */
42 //#define PPC_DEBUG_DISAS
43 //#define DO_PPC_STATISTICS
44 
45 #ifdef PPC_DEBUG_DISAS
46 #  define LOG_DISAS(...) qemu_log_mask(CPU_LOG_TB_IN_ASM, ## __VA_ARGS__)
47 #else
48 #  define LOG_DISAS(...) do { } while (0)
49 #endif
50 /*****************************************************************************/
51 /* Code translation helpers                                                  */
52 
53 /* global register indexes */
54 static TCGv_env cpu_env;
55 static char cpu_reg_names[10*3 + 22*4 /* GPR */
56     + 10*4 + 22*5 /* SPE GPRh */
57     + 10*4 + 22*5 /* FPR */
58     + 2*(10*6 + 22*7) /* AVRh, AVRl */
59     + 10*5 + 22*6 /* VSR */
60     + 8*5 /* CRF */];
61 static TCGv cpu_gpr[32];
62 static TCGv cpu_gprh[32];
63 static TCGv_i64 cpu_fpr[32];
64 static TCGv_i64 cpu_avrh[32], cpu_avrl[32];
65 static TCGv_i64 cpu_vsr[32];
66 static TCGv_i32 cpu_crf[8];
67 static TCGv cpu_nip;
68 static TCGv cpu_msr;
69 static TCGv cpu_ctr;
70 static TCGv cpu_lr;
71 #if defined(TARGET_PPC64)
72 static TCGv cpu_cfar;
73 #endif
74 static TCGv cpu_xer, cpu_so, cpu_ov, cpu_ca, cpu_ov32, cpu_ca32;
75 static TCGv cpu_reserve;
76 static TCGv cpu_reserve_val;
77 static TCGv cpu_fpscr;
78 static TCGv_i32 cpu_access_type;
79 
80 #include "exec/gen-icount.h"
81 
82 void ppc_translate_init(void)
83 {
84     int i;
85     char* p;
86     size_t cpu_reg_names_size;
87     static int done_init = 0;
88 
89     if (done_init)
90         return;
91 
92     cpu_env = tcg_global_reg_new_ptr(TCG_AREG0, "env");
93     tcg_ctx.tcg_env = cpu_env;
94 
95     p = cpu_reg_names;
96     cpu_reg_names_size = sizeof(cpu_reg_names);
97 
98     for (i = 0; i < 8; i++) {
99         snprintf(p, cpu_reg_names_size, "crf%d", i);
100         cpu_crf[i] = tcg_global_mem_new_i32(cpu_env,
101                                             offsetof(CPUPPCState, crf[i]), p);
102         p += 5;
103         cpu_reg_names_size -= 5;
104     }
105 
106     for (i = 0; i < 32; i++) {
107         snprintf(p, cpu_reg_names_size, "r%d", i);
108         cpu_gpr[i] = tcg_global_mem_new(cpu_env,
109                                         offsetof(CPUPPCState, gpr[i]), p);
110         p += (i < 10) ? 3 : 4;
111         cpu_reg_names_size -= (i < 10) ? 3 : 4;
112         snprintf(p, cpu_reg_names_size, "r%dH", i);
113         cpu_gprh[i] = tcg_global_mem_new(cpu_env,
114                                          offsetof(CPUPPCState, gprh[i]), p);
115         p += (i < 10) ? 4 : 5;
116         cpu_reg_names_size -= (i < 10) ? 4 : 5;
117 
118         snprintf(p, cpu_reg_names_size, "fp%d", i);
119         cpu_fpr[i] = tcg_global_mem_new_i64(cpu_env,
120                                             offsetof(CPUPPCState, fpr[i]), p);
121         p += (i < 10) ? 4 : 5;
122         cpu_reg_names_size -= (i < 10) ? 4 : 5;
123 
124         snprintf(p, cpu_reg_names_size, "avr%dH", i);
125 #ifdef HOST_WORDS_BIGENDIAN
126         cpu_avrh[i] = tcg_global_mem_new_i64(cpu_env,
127                                              offsetof(CPUPPCState, avr[i].u64[0]), p);
128 #else
129         cpu_avrh[i] = tcg_global_mem_new_i64(cpu_env,
130                                              offsetof(CPUPPCState, avr[i].u64[1]), p);
131 #endif
132         p += (i < 10) ? 6 : 7;
133         cpu_reg_names_size -= (i < 10) ? 6 : 7;
134 
135         snprintf(p, cpu_reg_names_size, "avr%dL", i);
136 #ifdef HOST_WORDS_BIGENDIAN
137         cpu_avrl[i] = tcg_global_mem_new_i64(cpu_env,
138                                              offsetof(CPUPPCState, avr[i].u64[1]), p);
139 #else
140         cpu_avrl[i] = tcg_global_mem_new_i64(cpu_env,
141                                              offsetof(CPUPPCState, avr[i].u64[0]), p);
142 #endif
143         p += (i < 10) ? 6 : 7;
144         cpu_reg_names_size -= (i < 10) ? 6 : 7;
145         snprintf(p, cpu_reg_names_size, "vsr%d", i);
146         cpu_vsr[i] = tcg_global_mem_new_i64(cpu_env,
147                                             offsetof(CPUPPCState, vsr[i]), p);
148         p += (i < 10) ? 5 : 6;
149         cpu_reg_names_size -= (i < 10) ? 5 : 6;
150     }
151 
152     cpu_nip = tcg_global_mem_new(cpu_env,
153                                  offsetof(CPUPPCState, nip), "nip");
154 
155     cpu_msr = tcg_global_mem_new(cpu_env,
156                                  offsetof(CPUPPCState, msr), "msr");
157 
158     cpu_ctr = tcg_global_mem_new(cpu_env,
159                                  offsetof(CPUPPCState, ctr), "ctr");
160 
161     cpu_lr = tcg_global_mem_new(cpu_env,
162                                 offsetof(CPUPPCState, lr), "lr");
163 
164 #if defined(TARGET_PPC64)
165     cpu_cfar = tcg_global_mem_new(cpu_env,
166                                   offsetof(CPUPPCState, cfar), "cfar");
167 #endif
168 
169     cpu_xer = tcg_global_mem_new(cpu_env,
170                                  offsetof(CPUPPCState, xer), "xer");
171     cpu_so = tcg_global_mem_new(cpu_env,
172                                 offsetof(CPUPPCState, so), "SO");
173     cpu_ov = tcg_global_mem_new(cpu_env,
174                                 offsetof(CPUPPCState, ov), "OV");
175     cpu_ca = tcg_global_mem_new(cpu_env,
176                                 offsetof(CPUPPCState, ca), "CA");
177     cpu_ov32 = tcg_global_mem_new(cpu_env,
178                                   offsetof(CPUPPCState, ov32), "OV32");
179     cpu_ca32 = tcg_global_mem_new(cpu_env,
180                                   offsetof(CPUPPCState, ca32), "CA32");
181 
182     cpu_reserve = tcg_global_mem_new(cpu_env,
183                                      offsetof(CPUPPCState, reserve_addr),
184                                      "reserve_addr");
185     cpu_reserve_val = tcg_global_mem_new(cpu_env,
186                                      offsetof(CPUPPCState, reserve_val),
187                                      "reserve_val");
188 
189     cpu_fpscr = tcg_global_mem_new(cpu_env,
190                                    offsetof(CPUPPCState, fpscr), "fpscr");
191 
192     cpu_access_type = tcg_global_mem_new_i32(cpu_env,
193                                              offsetof(CPUPPCState, access_type), "access_type");
194 
195     done_init = 1;
196 }
197 
198 /* internal defines */
199 struct DisasContext {
200     struct TranslationBlock *tb;
201     target_ulong nip;
202     uint32_t opcode;
203     uint32_t exception;
204     /* Routine used to access memory */
205     bool pr, hv, dr, le_mode;
206     bool lazy_tlb_flush;
207     bool need_access_type;
208     int mem_idx;
209     int access_type;
210     /* Translation flags */
211     TCGMemOp default_tcg_memop_mask;
212 #if defined(TARGET_PPC64)
213     bool sf_mode;
214     bool has_cfar;
215 #endif
216     bool fpu_enabled;
217     bool altivec_enabled;
218     bool vsx_enabled;
219     bool spe_enabled;
220     bool tm_enabled;
221     bool gtse;
222     ppc_spr_t *spr_cb; /* Needed to check rights for mfspr/mtspr */
223     int singlestep_enabled;
224     uint64_t insns_flags;
225     uint64_t insns_flags2;
226 };
227 
228 /* Return true iff byteswap is needed in a scalar memop */
229 static inline bool need_byteswap(const DisasContext *ctx)
230 {
231 #if defined(TARGET_WORDS_BIGENDIAN)
232      return ctx->le_mode;
233 #else
234      return !ctx->le_mode;
235 #endif
236 }
237 
238 /* True when active word size < size of target_long.  */
239 #ifdef TARGET_PPC64
240 # define NARROW_MODE(C)  (!(C)->sf_mode)
241 #else
242 # define NARROW_MODE(C)  0
243 #endif
244 
245 struct opc_handler_t {
246     /* invalid bits for instruction 1 (Rc(opcode) == 0) */
247     uint32_t inval1;
248     /* invalid bits for instruction 2 (Rc(opcode) == 1) */
249     uint32_t inval2;
250     /* instruction type */
251     uint64_t type;
252     /* extended instruction type */
253     uint64_t type2;
254     /* handler */
255     void (*handler)(DisasContext *ctx);
256 #if defined(DO_PPC_STATISTICS) || defined(PPC_DUMP_CPU)
257     const char *oname;
258 #endif
259 #if defined(DO_PPC_STATISTICS)
260     uint64_t count;
261 #endif
262 };
263 
264 static inline void gen_set_access_type(DisasContext *ctx, int access_type)
265 {
266     if (ctx->need_access_type && ctx->access_type != access_type) {
267         tcg_gen_movi_i32(cpu_access_type, access_type);
268         ctx->access_type = access_type;
269     }
270 }
271 
272 static inline void gen_update_nip(DisasContext *ctx, target_ulong nip)
273 {
274     if (NARROW_MODE(ctx)) {
275         nip = (uint32_t)nip;
276     }
277     tcg_gen_movi_tl(cpu_nip, nip);
278 }
279 
280 static void gen_exception_err(DisasContext *ctx, uint32_t excp, uint32_t error)
281 {
282     TCGv_i32 t0, t1;
283 
284     /* These are all synchronous exceptions, we set the PC back to
285      * the faulting instruction
286      */
287     if (ctx->exception == POWERPC_EXCP_NONE) {
288         gen_update_nip(ctx, ctx->nip - 4);
289     }
290     t0 = tcg_const_i32(excp);
291     t1 = tcg_const_i32(error);
292     gen_helper_raise_exception_err(cpu_env, t0, t1);
293     tcg_temp_free_i32(t0);
294     tcg_temp_free_i32(t1);
295     ctx->exception = (excp);
296 }
297 
298 static void gen_exception(DisasContext *ctx, uint32_t excp)
299 {
300     TCGv_i32 t0;
301 
302     /* These are all synchronous exceptions, we set the PC back to
303      * the faulting instruction
304      */
305     if (ctx->exception == POWERPC_EXCP_NONE) {
306         gen_update_nip(ctx, ctx->nip - 4);
307     }
308     t0 = tcg_const_i32(excp);
309     gen_helper_raise_exception(cpu_env, t0);
310     tcg_temp_free_i32(t0);
311     ctx->exception = (excp);
312 }
313 
314 static void gen_exception_nip(DisasContext *ctx, uint32_t excp,
315                               target_ulong nip)
316 {
317     TCGv_i32 t0;
318 
319     gen_update_nip(ctx, nip);
320     t0 = tcg_const_i32(excp);
321     gen_helper_raise_exception(cpu_env, t0);
322     tcg_temp_free_i32(t0);
323     ctx->exception = (excp);
324 }
325 
326 static void gen_debug_exception(DisasContext *ctx)
327 {
328     TCGv_i32 t0;
329 
330     /* These are all synchronous exceptions, we set the PC back to
331      * the faulting instruction
332      */
333     if ((ctx->exception != POWERPC_EXCP_BRANCH) &&
334         (ctx->exception != POWERPC_EXCP_SYNC)) {
335         gen_update_nip(ctx, ctx->nip);
336     }
337     t0 = tcg_const_i32(EXCP_DEBUG);
338     gen_helper_raise_exception(cpu_env, t0);
339     tcg_temp_free_i32(t0);
340 }
341 
342 static inline void gen_inval_exception(DisasContext *ctx, uint32_t error)
343 {
344     /* Will be converted to program check if needed */
345     gen_exception_err(ctx, POWERPC_EXCP_HV_EMU, POWERPC_EXCP_INVAL | error);
346 }
347 
348 static inline void gen_priv_exception(DisasContext *ctx, uint32_t error)
349 {
350     gen_exception_err(ctx, POWERPC_EXCP_PROGRAM, POWERPC_EXCP_PRIV | error);
351 }
352 
353 static inline void gen_hvpriv_exception(DisasContext *ctx, uint32_t error)
354 {
355     /* Will be converted to program check if needed */
356     gen_exception_err(ctx, POWERPC_EXCP_HV_EMU, POWERPC_EXCP_PRIV | error);
357 }
358 
359 /* Stop translation */
360 static inline void gen_stop_exception(DisasContext *ctx)
361 {
362     gen_update_nip(ctx, ctx->nip);
363     ctx->exception = POWERPC_EXCP_STOP;
364 }
365 
366 #ifndef CONFIG_USER_ONLY
367 /* No need to update nip here, as execution flow will change */
368 static inline void gen_sync_exception(DisasContext *ctx)
369 {
370     ctx->exception = POWERPC_EXCP_SYNC;
371 }
372 #endif
373 
374 #define GEN_HANDLER(name, opc1, opc2, opc3, inval, type)                      \
375 GEN_OPCODE(name, opc1, opc2, opc3, inval, type, PPC_NONE)
376 
377 #define GEN_HANDLER_E(name, opc1, opc2, opc3, inval, type, type2)             \
378 GEN_OPCODE(name, opc1, opc2, opc3, inval, type, type2)
379 
380 #define GEN_HANDLER2(name, onam, opc1, opc2, opc3, inval, type)               \
381 GEN_OPCODE2(name, onam, opc1, opc2, opc3, inval, type, PPC_NONE)
382 
383 #define GEN_HANDLER2_E(name, onam, opc1, opc2, opc3, inval, type, type2)      \
384 GEN_OPCODE2(name, onam, opc1, opc2, opc3, inval, type, type2)
385 
386 #define GEN_HANDLER_E_2(name, opc1, opc2, opc3, opc4, inval, type, type2)     \
387 GEN_OPCODE3(name, opc1, opc2, opc3, opc4, inval, type, type2)
388 
389 #define GEN_HANDLER2_E_2(name, onam, opc1, opc2, opc3, opc4, inval, typ, typ2) \
390 GEN_OPCODE4(name, onam, opc1, opc2, opc3, opc4, inval, typ, typ2)
391 
392 typedef struct opcode_t {
393     unsigned char opc1, opc2, opc3, opc4;
394 #if HOST_LONG_BITS == 64 /* Explicitly align to 64 bits */
395     unsigned char pad[4];
396 #endif
397     opc_handler_t handler;
398     const char *oname;
399 } opcode_t;
400 
401 /* Helpers for priv. check */
402 #define GEN_PRIV                                                \
403     do {                                                        \
404         gen_priv_exception(ctx, POWERPC_EXCP_PRIV_OPC); return; \
405     } while (0)
406 
407 #if defined(CONFIG_USER_ONLY)
408 #define CHK_HV GEN_PRIV
409 #define CHK_SV GEN_PRIV
410 #define CHK_HVRM GEN_PRIV
411 #else
412 #define CHK_HV                                                          \
413     do {                                                                \
414         if (unlikely(ctx->pr || !ctx->hv)) {                            \
415             GEN_PRIV;                                                   \
416         }                                                               \
417     } while (0)
418 #define CHK_SV                   \
419     do {                         \
420         if (unlikely(ctx->pr)) { \
421             GEN_PRIV;            \
422         }                        \
423     } while (0)
424 #define CHK_HVRM                                            \
425     do {                                                    \
426         if (unlikely(ctx->pr || !ctx->hv || ctx->dr)) {     \
427             GEN_PRIV;                                       \
428         }                                                   \
429     } while (0)
430 #endif
431 
432 #define CHK_NONE
433 
434 /*****************************************************************************/
435 /* PowerPC instructions table                                                */
436 
437 #if defined(DO_PPC_STATISTICS)
438 #define GEN_OPCODE(name, op1, op2, op3, invl, _typ, _typ2)                    \
439 {                                                                             \
440     .opc1 = op1,                                                              \
441     .opc2 = op2,                                                              \
442     .opc3 = op3,                                                              \
443     .opc4 = 0xff,                                                             \
444     .handler = {                                                              \
445         .inval1  = invl,                                                      \
446         .type = _typ,                                                         \
447         .type2 = _typ2,                                                       \
448         .handler = &gen_##name,                                               \
449         .oname = stringify(name),                                             \
450     },                                                                        \
451     .oname = stringify(name),                                                 \
452 }
453 #define GEN_OPCODE_DUAL(name, op1, op2, op3, invl1, invl2, _typ, _typ2)       \
454 {                                                                             \
455     .opc1 = op1,                                                              \
456     .opc2 = op2,                                                              \
457     .opc3 = op3,                                                              \
458     .opc4 = 0xff,                                                             \
459     .handler = {                                                              \
460         .inval1  = invl1,                                                     \
461         .inval2  = invl2,                                                     \
462         .type = _typ,                                                         \
463         .type2 = _typ2,                                                       \
464         .handler = &gen_##name,                                               \
465         .oname = stringify(name),                                             \
466     },                                                                        \
467     .oname = stringify(name),                                                 \
468 }
469 #define GEN_OPCODE2(name, onam, op1, op2, op3, invl, _typ, _typ2)             \
470 {                                                                             \
471     .opc1 = op1,                                                              \
472     .opc2 = op2,                                                              \
473     .opc3 = op3,                                                              \
474     .opc4 = 0xff,                                                             \
475     .handler = {                                                              \
476         .inval1  = invl,                                                      \
477         .type = _typ,                                                         \
478         .type2 = _typ2,                                                       \
479         .handler = &gen_##name,                                               \
480         .oname = onam,                                                        \
481     },                                                                        \
482     .oname = onam,                                                            \
483 }
484 #define GEN_OPCODE3(name, op1, op2, op3, op4, invl, _typ, _typ2)              \
485 {                                                                             \
486     .opc1 = op1,                                                              \
487     .opc2 = op2,                                                              \
488     .opc3 = op3,                                                              \
489     .opc4 = op4,                                                              \
490     .handler = {                                                              \
491         .inval1  = invl,                                                      \
492         .type = _typ,                                                         \
493         .type2 = _typ2,                                                       \
494         .handler = &gen_##name,                                               \
495         .oname = stringify(name),                                             \
496     },                                                                        \
497     .oname = stringify(name),                                                 \
498 }
499 #define GEN_OPCODE4(name, onam, op1, op2, op3, op4, invl, _typ, _typ2)        \
500 {                                                                             \
501     .opc1 = op1,                                                              \
502     .opc2 = op2,                                                              \
503     .opc3 = op3,                                                              \
504     .opc4 = op4,                                                              \
505     .handler = {                                                              \
506         .inval1  = invl,                                                      \
507         .type = _typ,                                                         \
508         .type2 = _typ2,                                                       \
509         .handler = &gen_##name,                                               \
510         .oname = onam,                                                        \
511     },                                                                        \
512     .oname = onam,                                                            \
513 }
514 #else
515 #define GEN_OPCODE(name, op1, op2, op3, invl, _typ, _typ2)                    \
516 {                                                                             \
517     .opc1 = op1,                                                              \
518     .opc2 = op2,                                                              \
519     .opc3 = op3,                                                              \
520     .opc4 = 0xff,                                                             \
521     .handler = {                                                              \
522         .inval1  = invl,                                                      \
523         .type = _typ,                                                         \
524         .type2 = _typ2,                                                       \
525         .handler = &gen_##name,                                               \
526     },                                                                        \
527     .oname = stringify(name),                                                 \
528 }
529 #define GEN_OPCODE_DUAL(name, op1, op2, op3, invl1, invl2, _typ, _typ2)       \
530 {                                                                             \
531     .opc1 = op1,                                                              \
532     .opc2 = op2,                                                              \
533     .opc3 = op3,                                                              \
534     .opc4 = 0xff,                                                             \
535     .handler = {                                                              \
536         .inval1  = invl1,                                                     \
537         .inval2  = invl2,                                                     \
538         .type = _typ,                                                         \
539         .type2 = _typ2,                                                       \
540         .handler = &gen_##name,                                               \
541     },                                                                        \
542     .oname = stringify(name),                                                 \
543 }
544 #define GEN_OPCODE2(name, onam, op1, op2, op3, invl, _typ, _typ2)             \
545 {                                                                             \
546     .opc1 = op1,                                                              \
547     .opc2 = op2,                                                              \
548     .opc3 = op3,                                                              \
549     .opc4 = 0xff,                                                             \
550     .handler = {                                                              \
551         .inval1  = invl,                                                      \
552         .type = _typ,                                                         \
553         .type2 = _typ2,                                                       \
554         .handler = &gen_##name,                                               \
555     },                                                                        \
556     .oname = onam,                                                            \
557 }
558 #define GEN_OPCODE3(name, op1, op2, op3, op4, invl, _typ, _typ2)              \
559 {                                                                             \
560     .opc1 = op1,                                                              \
561     .opc2 = op2,                                                              \
562     .opc3 = op3,                                                              \
563     .opc4 = op4,                                                              \
564     .handler = {                                                              \
565         .inval1  = invl,                                                      \
566         .type = _typ,                                                         \
567         .type2 = _typ2,                                                       \
568         .handler = &gen_##name,                                               \
569     },                                                                        \
570     .oname = stringify(name),                                                 \
571 }
572 #define GEN_OPCODE4(name, onam, op1, op2, op3, op4, invl, _typ, _typ2)        \
573 {                                                                             \
574     .opc1 = op1,                                                              \
575     .opc2 = op2,                                                              \
576     .opc3 = op3,                                                              \
577     .opc4 = op4,                                                              \
578     .handler = {                                                              \
579         .inval1  = invl,                                                      \
580         .type = _typ,                                                         \
581         .type2 = _typ2,                                                       \
582         .handler = &gen_##name,                                               \
583     },                                                                        \
584     .oname = onam,                                                            \
585 }
586 #endif
587 
588 /* SPR load/store helpers */
589 static inline void gen_load_spr(TCGv t, int reg)
590 {
591     tcg_gen_ld_tl(t, cpu_env, offsetof(CPUPPCState, spr[reg]));
592 }
593 
594 static inline void gen_store_spr(int reg, TCGv t)
595 {
596     tcg_gen_st_tl(t, cpu_env, offsetof(CPUPPCState, spr[reg]));
597 }
598 
599 /* Invalid instruction */
600 static void gen_invalid(DisasContext *ctx)
601 {
602     gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
603 }
604 
605 static opc_handler_t invalid_handler = {
606     .inval1  = 0xFFFFFFFF,
607     .inval2  = 0xFFFFFFFF,
608     .type    = PPC_NONE,
609     .type2   = PPC_NONE,
610     .handler = gen_invalid,
611 };
612 
613 /***                           Integer comparison                          ***/
614 
615 static inline void gen_op_cmp(TCGv arg0, TCGv arg1, int s, int crf)
616 {
617     TCGv t0 = tcg_temp_new();
618     TCGv_i32 t1 = tcg_temp_new_i32();
619 
620     tcg_gen_trunc_tl_i32(cpu_crf[crf], cpu_so);
621 
622     tcg_gen_setcond_tl((s ? TCG_COND_LT: TCG_COND_LTU), t0, arg0, arg1);
623     tcg_gen_trunc_tl_i32(t1, t0);
624     tcg_gen_shli_i32(t1, t1, CRF_LT_BIT);
625     tcg_gen_or_i32(cpu_crf[crf], cpu_crf[crf], t1);
626 
627     tcg_gen_setcond_tl((s ? TCG_COND_GT: TCG_COND_GTU), t0, arg0, arg1);
628     tcg_gen_trunc_tl_i32(t1, t0);
629     tcg_gen_shli_i32(t1, t1, CRF_GT_BIT);
630     tcg_gen_or_i32(cpu_crf[crf], cpu_crf[crf], t1);
631 
632     tcg_gen_setcond_tl(TCG_COND_EQ, t0, arg0, arg1);
633     tcg_gen_trunc_tl_i32(t1, t0);
634     tcg_gen_shli_i32(t1, t1, CRF_EQ_BIT);
635     tcg_gen_or_i32(cpu_crf[crf], cpu_crf[crf], t1);
636 
637     tcg_temp_free(t0);
638     tcg_temp_free_i32(t1);
639 }
640 
641 static inline void gen_op_cmpi(TCGv arg0, target_ulong arg1, int s, int crf)
642 {
643     TCGv t0 = tcg_const_tl(arg1);
644     gen_op_cmp(arg0, t0, s, crf);
645     tcg_temp_free(t0);
646 }
647 
648 static inline void gen_op_cmp32(TCGv arg0, TCGv arg1, int s, int crf)
649 {
650     TCGv t0, t1;
651     t0 = tcg_temp_new();
652     t1 = tcg_temp_new();
653     if (s) {
654         tcg_gen_ext32s_tl(t0, arg0);
655         tcg_gen_ext32s_tl(t1, arg1);
656     } else {
657         tcg_gen_ext32u_tl(t0, arg0);
658         tcg_gen_ext32u_tl(t1, arg1);
659     }
660     gen_op_cmp(t0, t1, s, crf);
661     tcg_temp_free(t1);
662     tcg_temp_free(t0);
663 }
664 
665 static inline void gen_op_cmpi32(TCGv arg0, target_ulong arg1, int s, int crf)
666 {
667     TCGv t0 = tcg_const_tl(arg1);
668     gen_op_cmp32(arg0, t0, s, crf);
669     tcg_temp_free(t0);
670 }
671 
672 static inline void gen_set_Rc0(DisasContext *ctx, TCGv reg)
673 {
674     if (NARROW_MODE(ctx)) {
675         gen_op_cmpi32(reg, 0, 1, 0);
676     } else {
677         gen_op_cmpi(reg, 0, 1, 0);
678     }
679 }
680 
681 /* cmp */
682 static void gen_cmp(DisasContext *ctx)
683 {
684     if ((ctx->opcode & 0x00200000) && (ctx->insns_flags & PPC_64B)) {
685         gen_op_cmp(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],
686                    1, crfD(ctx->opcode));
687     } else {
688         gen_op_cmp32(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],
689                      1, crfD(ctx->opcode));
690     }
691 }
692 
693 /* cmpi */
694 static void gen_cmpi(DisasContext *ctx)
695 {
696     if ((ctx->opcode & 0x00200000) && (ctx->insns_flags & PPC_64B)) {
697         gen_op_cmpi(cpu_gpr[rA(ctx->opcode)], SIMM(ctx->opcode),
698                     1, crfD(ctx->opcode));
699     } else {
700         gen_op_cmpi32(cpu_gpr[rA(ctx->opcode)], SIMM(ctx->opcode),
701                       1, crfD(ctx->opcode));
702     }
703 }
704 
705 /* cmpl */
706 static void gen_cmpl(DisasContext *ctx)
707 {
708     if ((ctx->opcode & 0x00200000) && (ctx->insns_flags & PPC_64B)) {
709         gen_op_cmp(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],
710                    0, crfD(ctx->opcode));
711     } else {
712         gen_op_cmp32(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],
713                      0, crfD(ctx->opcode));
714     }
715 }
716 
717 /* cmpli */
718 static void gen_cmpli(DisasContext *ctx)
719 {
720     if ((ctx->opcode & 0x00200000) && (ctx->insns_flags & PPC_64B)) {
721         gen_op_cmpi(cpu_gpr[rA(ctx->opcode)], UIMM(ctx->opcode),
722                     0, crfD(ctx->opcode));
723     } else {
724         gen_op_cmpi32(cpu_gpr[rA(ctx->opcode)], UIMM(ctx->opcode),
725                       0, crfD(ctx->opcode));
726     }
727 }
728 
729 /* cmprb - range comparison: isupper, isaplha, islower*/
730 static void gen_cmprb(DisasContext *ctx)
731 {
732     TCGv_i32 src1 = tcg_temp_new_i32();
733     TCGv_i32 src2 = tcg_temp_new_i32();
734     TCGv_i32 src2lo = tcg_temp_new_i32();
735     TCGv_i32 src2hi = tcg_temp_new_i32();
736     TCGv_i32 crf = cpu_crf[crfD(ctx->opcode)];
737 
738     tcg_gen_trunc_tl_i32(src1, cpu_gpr[rA(ctx->opcode)]);
739     tcg_gen_trunc_tl_i32(src2, cpu_gpr[rB(ctx->opcode)]);
740 
741     tcg_gen_andi_i32(src1, src1, 0xFF);
742     tcg_gen_ext8u_i32(src2lo, src2);
743     tcg_gen_shri_i32(src2, src2, 8);
744     tcg_gen_ext8u_i32(src2hi, src2);
745 
746     tcg_gen_setcond_i32(TCG_COND_LEU, src2lo, src2lo, src1);
747     tcg_gen_setcond_i32(TCG_COND_LEU, src2hi, src1, src2hi);
748     tcg_gen_and_i32(crf, src2lo, src2hi);
749 
750     if (ctx->opcode & 0x00200000) {
751         tcg_gen_shri_i32(src2, src2, 8);
752         tcg_gen_ext8u_i32(src2lo, src2);
753         tcg_gen_shri_i32(src2, src2, 8);
754         tcg_gen_ext8u_i32(src2hi, src2);
755         tcg_gen_setcond_i32(TCG_COND_LEU, src2lo, src2lo, src1);
756         tcg_gen_setcond_i32(TCG_COND_LEU, src2hi, src1, src2hi);
757         tcg_gen_and_i32(src2lo, src2lo, src2hi);
758         tcg_gen_or_i32(crf, crf, src2lo);
759     }
760     tcg_gen_shli_i32(crf, crf, CRF_GT_BIT);
761     tcg_temp_free_i32(src1);
762     tcg_temp_free_i32(src2);
763     tcg_temp_free_i32(src2lo);
764     tcg_temp_free_i32(src2hi);
765 }
766 
767 #if defined(TARGET_PPC64)
768 /* cmpeqb */
769 static void gen_cmpeqb(DisasContext *ctx)
770 {
771     gen_helper_cmpeqb(cpu_crf[crfD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
772                       cpu_gpr[rB(ctx->opcode)]);
773 }
774 #endif
775 
776 /* isel (PowerPC 2.03 specification) */
777 static void gen_isel(DisasContext *ctx)
778 {
779     uint32_t bi = rC(ctx->opcode);
780     uint32_t mask = 0x08 >> (bi & 0x03);
781     TCGv t0 = tcg_temp_new();
782     TCGv zr;
783 
784     tcg_gen_extu_i32_tl(t0, cpu_crf[bi >> 2]);
785     tcg_gen_andi_tl(t0, t0, mask);
786 
787     zr = tcg_const_tl(0);
788     tcg_gen_movcond_tl(TCG_COND_NE, cpu_gpr[rD(ctx->opcode)], t0, zr,
789                        rA(ctx->opcode) ? cpu_gpr[rA(ctx->opcode)] : zr,
790                        cpu_gpr[rB(ctx->opcode)]);
791     tcg_temp_free(zr);
792     tcg_temp_free(t0);
793 }
794 
795 /* cmpb: PowerPC 2.05 specification */
796 static void gen_cmpb(DisasContext *ctx)
797 {
798     gen_helper_cmpb(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)],
799                     cpu_gpr[rB(ctx->opcode)]);
800 }
801 
802 /***                           Integer arithmetic                          ***/
803 
804 static inline void gen_op_arith_compute_ov(DisasContext *ctx, TCGv arg0,
805                                            TCGv arg1, TCGv arg2, int sub)
806 {
807     TCGv t0 = tcg_temp_new();
808 
809     tcg_gen_xor_tl(cpu_ov, arg0, arg2);
810     tcg_gen_xor_tl(t0, arg1, arg2);
811     if (sub) {
812         tcg_gen_and_tl(cpu_ov, cpu_ov, t0);
813     } else {
814         tcg_gen_andc_tl(cpu_ov, cpu_ov, t0);
815     }
816     tcg_temp_free(t0);
817     if (NARROW_MODE(ctx)) {
818         tcg_gen_extract_tl(cpu_ov, cpu_ov, 31, 1);
819         if (is_isa300(ctx)) {
820             tcg_gen_mov_tl(cpu_ov32, cpu_ov);
821         }
822     } else {
823         if (is_isa300(ctx)) {
824             tcg_gen_extract_tl(cpu_ov32, cpu_ov, 31, 1);
825         }
826         tcg_gen_extract_tl(cpu_ov, cpu_ov, TARGET_LONG_BITS - 1, 1);
827     }
828     tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov);
829 }
830 
831 static inline void gen_op_arith_compute_ca32(DisasContext *ctx,
832                                              TCGv res, TCGv arg0, TCGv arg1,
833                                              int sub)
834 {
835     TCGv t0;
836 
837     if (!is_isa300(ctx)) {
838         return;
839     }
840 
841     t0 = tcg_temp_new();
842     if (sub) {
843         tcg_gen_eqv_tl(t0, arg0, arg1);
844     } else {
845         tcg_gen_xor_tl(t0, arg0, arg1);
846     }
847     tcg_gen_xor_tl(t0, t0, res);
848     tcg_gen_extract_tl(cpu_ca32, t0, 32, 1);
849     tcg_temp_free(t0);
850 }
851 
852 /* Common add function */
853 static inline void gen_op_arith_add(DisasContext *ctx, TCGv ret, TCGv arg1,
854                                     TCGv arg2, bool add_ca, bool compute_ca,
855                                     bool compute_ov, bool compute_rc0)
856 {
857     TCGv t0 = ret;
858 
859     if (compute_ca || compute_ov) {
860         t0 = tcg_temp_new();
861     }
862 
863     if (compute_ca) {
864         if (NARROW_MODE(ctx)) {
865             /* Caution: a non-obvious corner case of the spec is that we
866                must produce the *entire* 64-bit addition, but produce the
867                carry into bit 32.  */
868             TCGv t1 = tcg_temp_new();
869             tcg_gen_xor_tl(t1, arg1, arg2);        /* add without carry */
870             tcg_gen_add_tl(t0, arg1, arg2);
871             if (add_ca) {
872                 tcg_gen_add_tl(t0, t0, cpu_ca);
873             }
874             tcg_gen_xor_tl(cpu_ca, t0, t1);        /* bits changed w/ carry */
875             tcg_temp_free(t1);
876             tcg_gen_shri_tl(cpu_ca, cpu_ca, 32);   /* extract bit 32 */
877             tcg_gen_andi_tl(cpu_ca, cpu_ca, 1);
878             if (is_isa300(ctx)) {
879                 tcg_gen_mov_tl(cpu_ca32, cpu_ca);
880             }
881         } else {
882             TCGv zero = tcg_const_tl(0);
883             if (add_ca) {
884                 tcg_gen_add2_tl(t0, cpu_ca, arg1, zero, cpu_ca, zero);
885                 tcg_gen_add2_tl(t0, cpu_ca, t0, cpu_ca, arg2, zero);
886             } else {
887                 tcg_gen_add2_tl(t0, cpu_ca, arg1, zero, arg2, zero);
888             }
889             gen_op_arith_compute_ca32(ctx, t0, arg1, arg2, 0);
890             tcg_temp_free(zero);
891         }
892     } else {
893         tcg_gen_add_tl(t0, arg1, arg2);
894         if (add_ca) {
895             tcg_gen_add_tl(t0, t0, cpu_ca);
896         }
897     }
898 
899     if (compute_ov) {
900         gen_op_arith_compute_ov(ctx, t0, arg1, arg2, 0);
901     }
902     if (unlikely(compute_rc0)) {
903         gen_set_Rc0(ctx, t0);
904     }
905 
906     if (!TCGV_EQUAL(t0, ret)) {
907         tcg_gen_mov_tl(ret, t0);
908         tcg_temp_free(t0);
909     }
910 }
911 /* Add functions with two operands */
912 #define GEN_INT_ARITH_ADD(name, opc3, add_ca, compute_ca, compute_ov)         \
913 static void glue(gen_, name)(DisasContext *ctx)                               \
914 {                                                                             \
915     gen_op_arith_add(ctx, cpu_gpr[rD(ctx->opcode)],                           \
916                      cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],      \
917                      add_ca, compute_ca, compute_ov, Rc(ctx->opcode));        \
918 }
919 /* Add functions with one operand and one immediate */
920 #define GEN_INT_ARITH_ADD_CONST(name, opc3, const_val,                        \
921                                 add_ca, compute_ca, compute_ov)               \
922 static void glue(gen_, name)(DisasContext *ctx)                               \
923 {                                                                             \
924     TCGv t0 = tcg_const_tl(const_val);                                        \
925     gen_op_arith_add(ctx, cpu_gpr[rD(ctx->opcode)],                           \
926                      cpu_gpr[rA(ctx->opcode)], t0,                            \
927                      add_ca, compute_ca, compute_ov, Rc(ctx->opcode));        \
928     tcg_temp_free(t0);                                                        \
929 }
930 
931 /* add  add.  addo  addo. */
932 GEN_INT_ARITH_ADD(add, 0x08, 0, 0, 0)
933 GEN_INT_ARITH_ADD(addo, 0x18, 0, 0, 1)
934 /* addc  addc.  addco  addco. */
935 GEN_INT_ARITH_ADD(addc, 0x00, 0, 1, 0)
936 GEN_INT_ARITH_ADD(addco, 0x10, 0, 1, 1)
937 /* adde  adde.  addeo  addeo. */
938 GEN_INT_ARITH_ADD(adde, 0x04, 1, 1, 0)
939 GEN_INT_ARITH_ADD(addeo, 0x14, 1, 1, 1)
940 /* addme  addme.  addmeo  addmeo.  */
941 GEN_INT_ARITH_ADD_CONST(addme, 0x07, -1LL, 1, 1, 0)
942 GEN_INT_ARITH_ADD_CONST(addmeo, 0x17, -1LL, 1, 1, 1)
943 /* addze  addze.  addzeo  addzeo.*/
944 GEN_INT_ARITH_ADD_CONST(addze, 0x06, 0, 1, 1, 0)
945 GEN_INT_ARITH_ADD_CONST(addzeo, 0x16, 0, 1, 1, 1)
946 /* addi */
947 static void gen_addi(DisasContext *ctx)
948 {
949     target_long simm = SIMM(ctx->opcode);
950 
951     if (rA(ctx->opcode) == 0) {
952         /* li case */
953         tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], simm);
954     } else {
955         tcg_gen_addi_tl(cpu_gpr[rD(ctx->opcode)],
956                         cpu_gpr[rA(ctx->opcode)], simm);
957     }
958 }
959 /* addic  addic.*/
960 static inline void gen_op_addic(DisasContext *ctx, bool compute_rc0)
961 {
962     TCGv c = tcg_const_tl(SIMM(ctx->opcode));
963     gen_op_arith_add(ctx, cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
964                      c, 0, 1, 0, compute_rc0);
965     tcg_temp_free(c);
966 }
967 
968 static void gen_addic(DisasContext *ctx)
969 {
970     gen_op_addic(ctx, 0);
971 }
972 
973 static void gen_addic_(DisasContext *ctx)
974 {
975     gen_op_addic(ctx, 1);
976 }
977 
978 /* addis */
979 static void gen_addis(DisasContext *ctx)
980 {
981     target_long simm = SIMM(ctx->opcode);
982 
983     if (rA(ctx->opcode) == 0) {
984         /* lis case */
985         tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], simm << 16);
986     } else {
987         tcg_gen_addi_tl(cpu_gpr[rD(ctx->opcode)],
988                         cpu_gpr[rA(ctx->opcode)], simm << 16);
989     }
990 }
991 
992 /* addpcis */
993 static void gen_addpcis(DisasContext *ctx)
994 {
995     target_long d = DX(ctx->opcode);
996 
997     tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], ctx->nip + (d << 16));
998 }
999 
1000 static inline void gen_op_arith_divw(DisasContext *ctx, TCGv ret, TCGv arg1,
1001                                      TCGv arg2, int sign, int compute_ov)
1002 {
1003     TCGv_i32 t0 = tcg_temp_new_i32();
1004     TCGv_i32 t1 = tcg_temp_new_i32();
1005     TCGv_i32 t2 = tcg_temp_new_i32();
1006     TCGv_i32 t3 = tcg_temp_new_i32();
1007 
1008     tcg_gen_trunc_tl_i32(t0, arg1);
1009     tcg_gen_trunc_tl_i32(t1, arg2);
1010     if (sign) {
1011         tcg_gen_setcondi_i32(TCG_COND_EQ, t2, t0, INT_MIN);
1012         tcg_gen_setcondi_i32(TCG_COND_EQ, t3, t1, -1);
1013         tcg_gen_and_i32(t2, t2, t3);
1014         tcg_gen_setcondi_i32(TCG_COND_EQ, t3, t1, 0);
1015         tcg_gen_or_i32(t2, t2, t3);
1016         tcg_gen_movi_i32(t3, 0);
1017         tcg_gen_movcond_i32(TCG_COND_NE, t1, t2, t3, t2, t1);
1018         tcg_gen_div_i32(t3, t0, t1);
1019         tcg_gen_extu_i32_tl(ret, t3);
1020     } else {
1021         tcg_gen_setcondi_i32(TCG_COND_EQ, t2, t1, 0);
1022         tcg_gen_movi_i32(t3, 0);
1023         tcg_gen_movcond_i32(TCG_COND_NE, t1, t2, t3, t2, t1);
1024         tcg_gen_divu_i32(t3, t0, t1);
1025         tcg_gen_extu_i32_tl(ret, t3);
1026     }
1027     if (compute_ov) {
1028         tcg_gen_extu_i32_tl(cpu_ov, t2);
1029         if (is_isa300(ctx)) {
1030             tcg_gen_extu_i32_tl(cpu_ov32, t2);
1031         }
1032         tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov);
1033     }
1034     tcg_temp_free_i32(t0);
1035     tcg_temp_free_i32(t1);
1036     tcg_temp_free_i32(t2);
1037     tcg_temp_free_i32(t3);
1038 
1039     if (unlikely(Rc(ctx->opcode) != 0))
1040         gen_set_Rc0(ctx, ret);
1041 }
1042 /* Div functions */
1043 #define GEN_INT_ARITH_DIVW(name, opc3, sign, compute_ov)                      \
1044 static void glue(gen_, name)(DisasContext *ctx)                                       \
1045 {                                                                             \
1046     gen_op_arith_divw(ctx, cpu_gpr[rD(ctx->opcode)],                          \
1047                      cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],      \
1048                      sign, compute_ov);                                       \
1049 }
1050 /* divwu  divwu.  divwuo  divwuo.   */
1051 GEN_INT_ARITH_DIVW(divwu, 0x0E, 0, 0);
1052 GEN_INT_ARITH_DIVW(divwuo, 0x1E, 0, 1);
1053 /* divw  divw.  divwo  divwo.   */
1054 GEN_INT_ARITH_DIVW(divw, 0x0F, 1, 0);
1055 GEN_INT_ARITH_DIVW(divwo, 0x1F, 1, 1);
1056 
1057 /* div[wd]eu[o][.] */
1058 #define GEN_DIVE(name, hlpr, compute_ov)                                      \
1059 static void gen_##name(DisasContext *ctx)                                     \
1060 {                                                                             \
1061     TCGv_i32 t0 = tcg_const_i32(compute_ov);                                  \
1062     gen_helper_##hlpr(cpu_gpr[rD(ctx->opcode)], cpu_env,                      \
1063                      cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], t0); \
1064     tcg_temp_free_i32(t0);                                                    \
1065     if (unlikely(Rc(ctx->opcode) != 0)) {                                     \
1066         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);                           \
1067     }                                                                         \
1068 }
1069 
1070 GEN_DIVE(divweu, divweu, 0);
1071 GEN_DIVE(divweuo, divweu, 1);
1072 GEN_DIVE(divwe, divwe, 0);
1073 GEN_DIVE(divweo, divwe, 1);
1074 
1075 #if defined(TARGET_PPC64)
1076 static inline void gen_op_arith_divd(DisasContext *ctx, TCGv ret, TCGv arg1,
1077                                      TCGv arg2, int sign, int compute_ov)
1078 {
1079     TCGv_i64 t0 = tcg_temp_new_i64();
1080     TCGv_i64 t1 = tcg_temp_new_i64();
1081     TCGv_i64 t2 = tcg_temp_new_i64();
1082     TCGv_i64 t3 = tcg_temp_new_i64();
1083 
1084     tcg_gen_mov_i64(t0, arg1);
1085     tcg_gen_mov_i64(t1, arg2);
1086     if (sign) {
1087         tcg_gen_setcondi_i64(TCG_COND_EQ, t2, t0, INT64_MIN);
1088         tcg_gen_setcondi_i64(TCG_COND_EQ, t3, t1, -1);
1089         tcg_gen_and_i64(t2, t2, t3);
1090         tcg_gen_setcondi_i64(TCG_COND_EQ, t3, t1, 0);
1091         tcg_gen_or_i64(t2, t2, t3);
1092         tcg_gen_movi_i64(t3, 0);
1093         tcg_gen_movcond_i64(TCG_COND_NE, t1, t2, t3, t2, t1);
1094         tcg_gen_div_i64(ret, t0, t1);
1095     } else {
1096         tcg_gen_setcondi_i64(TCG_COND_EQ, t2, t1, 0);
1097         tcg_gen_movi_i64(t3, 0);
1098         tcg_gen_movcond_i64(TCG_COND_NE, t1, t2, t3, t2, t1);
1099         tcg_gen_divu_i64(ret, t0, t1);
1100     }
1101     if (compute_ov) {
1102         tcg_gen_mov_tl(cpu_ov, t2);
1103         if (is_isa300(ctx)) {
1104             tcg_gen_mov_tl(cpu_ov32, t2);
1105         }
1106         tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov);
1107     }
1108     tcg_temp_free_i64(t0);
1109     tcg_temp_free_i64(t1);
1110     tcg_temp_free_i64(t2);
1111     tcg_temp_free_i64(t3);
1112 
1113     if (unlikely(Rc(ctx->opcode) != 0))
1114         gen_set_Rc0(ctx, ret);
1115 }
1116 
1117 #define GEN_INT_ARITH_DIVD(name, opc3, sign, compute_ov)                      \
1118 static void glue(gen_, name)(DisasContext *ctx)                                       \
1119 {                                                                             \
1120     gen_op_arith_divd(ctx, cpu_gpr[rD(ctx->opcode)],                          \
1121                       cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],     \
1122                       sign, compute_ov);                                      \
1123 }
1124 /* divdu  divdu.  divduo  divduo.   */
1125 GEN_INT_ARITH_DIVD(divdu, 0x0E, 0, 0);
1126 GEN_INT_ARITH_DIVD(divduo, 0x1E, 0, 1);
1127 /* divd  divd.  divdo  divdo.   */
1128 GEN_INT_ARITH_DIVD(divd, 0x0F, 1, 0);
1129 GEN_INT_ARITH_DIVD(divdo, 0x1F, 1, 1);
1130 
1131 GEN_DIVE(divdeu, divdeu, 0);
1132 GEN_DIVE(divdeuo, divdeu, 1);
1133 GEN_DIVE(divde, divde, 0);
1134 GEN_DIVE(divdeo, divde, 1);
1135 #endif
1136 
1137 static inline void gen_op_arith_modw(DisasContext *ctx, TCGv ret, TCGv arg1,
1138                                      TCGv arg2, int sign)
1139 {
1140     TCGv_i32 t0 = tcg_temp_new_i32();
1141     TCGv_i32 t1 = tcg_temp_new_i32();
1142 
1143     tcg_gen_trunc_tl_i32(t0, arg1);
1144     tcg_gen_trunc_tl_i32(t1, arg2);
1145     if (sign) {
1146         TCGv_i32 t2 = tcg_temp_new_i32();
1147         TCGv_i32 t3 = tcg_temp_new_i32();
1148         tcg_gen_setcondi_i32(TCG_COND_EQ, t2, t0, INT_MIN);
1149         tcg_gen_setcondi_i32(TCG_COND_EQ, t3, t1, -1);
1150         tcg_gen_and_i32(t2, t2, t3);
1151         tcg_gen_setcondi_i32(TCG_COND_EQ, t3, t1, 0);
1152         tcg_gen_or_i32(t2, t2, t3);
1153         tcg_gen_movi_i32(t3, 0);
1154         tcg_gen_movcond_i32(TCG_COND_NE, t1, t2, t3, t2, t1);
1155         tcg_gen_rem_i32(t3, t0, t1);
1156         tcg_gen_ext_i32_tl(ret, t3);
1157         tcg_temp_free_i32(t2);
1158         tcg_temp_free_i32(t3);
1159     } else {
1160         TCGv_i32 t2 = tcg_const_i32(1);
1161         TCGv_i32 t3 = tcg_const_i32(0);
1162         tcg_gen_movcond_i32(TCG_COND_EQ, t1, t1, t3, t2, t1);
1163         tcg_gen_remu_i32(t3, t0, t1);
1164         tcg_gen_extu_i32_tl(ret, t3);
1165         tcg_temp_free_i32(t2);
1166         tcg_temp_free_i32(t3);
1167     }
1168     tcg_temp_free_i32(t0);
1169     tcg_temp_free_i32(t1);
1170 }
1171 
1172 #define GEN_INT_ARITH_MODW(name, opc3, sign)                                \
1173 static void glue(gen_, name)(DisasContext *ctx)                             \
1174 {                                                                           \
1175     gen_op_arith_modw(ctx, cpu_gpr[rD(ctx->opcode)],                        \
1176                       cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],   \
1177                       sign);                                                \
1178 }
1179 
1180 GEN_INT_ARITH_MODW(moduw, 0x08, 0);
1181 GEN_INT_ARITH_MODW(modsw, 0x18, 1);
1182 
1183 #if defined(TARGET_PPC64)
1184 static inline void gen_op_arith_modd(DisasContext *ctx, TCGv ret, TCGv arg1,
1185                                      TCGv arg2, int sign)
1186 {
1187     TCGv_i64 t0 = tcg_temp_new_i64();
1188     TCGv_i64 t1 = tcg_temp_new_i64();
1189 
1190     tcg_gen_mov_i64(t0, arg1);
1191     tcg_gen_mov_i64(t1, arg2);
1192     if (sign) {
1193         TCGv_i64 t2 = tcg_temp_new_i64();
1194         TCGv_i64 t3 = tcg_temp_new_i64();
1195         tcg_gen_setcondi_i64(TCG_COND_EQ, t2, t0, INT64_MIN);
1196         tcg_gen_setcondi_i64(TCG_COND_EQ, t3, t1, -1);
1197         tcg_gen_and_i64(t2, t2, t3);
1198         tcg_gen_setcondi_i64(TCG_COND_EQ, t3, t1, 0);
1199         tcg_gen_or_i64(t2, t2, t3);
1200         tcg_gen_movi_i64(t3, 0);
1201         tcg_gen_movcond_i64(TCG_COND_NE, t1, t2, t3, t2, t1);
1202         tcg_gen_rem_i64(ret, t0, t1);
1203         tcg_temp_free_i64(t2);
1204         tcg_temp_free_i64(t3);
1205     } else {
1206         TCGv_i64 t2 = tcg_const_i64(1);
1207         TCGv_i64 t3 = tcg_const_i64(0);
1208         tcg_gen_movcond_i64(TCG_COND_EQ, t1, t1, t3, t2, t1);
1209         tcg_gen_remu_i64(ret, t0, t1);
1210         tcg_temp_free_i64(t2);
1211         tcg_temp_free_i64(t3);
1212     }
1213     tcg_temp_free_i64(t0);
1214     tcg_temp_free_i64(t1);
1215 }
1216 
1217 #define GEN_INT_ARITH_MODD(name, opc3, sign)                            \
1218 static void glue(gen_, name)(DisasContext *ctx)                           \
1219 {                                                                         \
1220   gen_op_arith_modd(ctx, cpu_gpr[rD(ctx->opcode)],                        \
1221                     cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],   \
1222                     sign);                                                \
1223 }
1224 
1225 GEN_INT_ARITH_MODD(modud, 0x08, 0);
1226 GEN_INT_ARITH_MODD(modsd, 0x18, 1);
1227 #endif
1228 
1229 /* mulhw  mulhw. */
1230 static void gen_mulhw(DisasContext *ctx)
1231 {
1232     TCGv_i32 t0 = tcg_temp_new_i32();
1233     TCGv_i32 t1 = tcg_temp_new_i32();
1234 
1235     tcg_gen_trunc_tl_i32(t0, cpu_gpr[rA(ctx->opcode)]);
1236     tcg_gen_trunc_tl_i32(t1, cpu_gpr[rB(ctx->opcode)]);
1237     tcg_gen_muls2_i32(t0, t1, t0, t1);
1238     tcg_gen_extu_i32_tl(cpu_gpr[rD(ctx->opcode)], t1);
1239     tcg_temp_free_i32(t0);
1240     tcg_temp_free_i32(t1);
1241     if (unlikely(Rc(ctx->opcode) != 0))
1242         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
1243 }
1244 
1245 /* mulhwu  mulhwu.  */
1246 static void gen_mulhwu(DisasContext *ctx)
1247 {
1248     TCGv_i32 t0 = tcg_temp_new_i32();
1249     TCGv_i32 t1 = tcg_temp_new_i32();
1250 
1251     tcg_gen_trunc_tl_i32(t0, cpu_gpr[rA(ctx->opcode)]);
1252     tcg_gen_trunc_tl_i32(t1, cpu_gpr[rB(ctx->opcode)]);
1253     tcg_gen_mulu2_i32(t0, t1, t0, t1);
1254     tcg_gen_extu_i32_tl(cpu_gpr[rD(ctx->opcode)], t1);
1255     tcg_temp_free_i32(t0);
1256     tcg_temp_free_i32(t1);
1257     if (unlikely(Rc(ctx->opcode) != 0))
1258         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
1259 }
1260 
1261 /* mullw  mullw. */
1262 static void gen_mullw(DisasContext *ctx)
1263 {
1264 #if defined(TARGET_PPC64)
1265     TCGv_i64 t0, t1;
1266     t0 = tcg_temp_new_i64();
1267     t1 = tcg_temp_new_i64();
1268     tcg_gen_ext32s_tl(t0, cpu_gpr[rA(ctx->opcode)]);
1269     tcg_gen_ext32s_tl(t1, cpu_gpr[rB(ctx->opcode)]);
1270     tcg_gen_mul_i64(cpu_gpr[rD(ctx->opcode)], t0, t1);
1271     tcg_temp_free(t0);
1272     tcg_temp_free(t1);
1273 #else
1274     tcg_gen_mul_i32(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
1275                     cpu_gpr[rB(ctx->opcode)]);
1276 #endif
1277     if (unlikely(Rc(ctx->opcode) != 0))
1278         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
1279 }
1280 
1281 /* mullwo  mullwo. */
1282 static void gen_mullwo(DisasContext *ctx)
1283 {
1284     TCGv_i32 t0 = tcg_temp_new_i32();
1285     TCGv_i32 t1 = tcg_temp_new_i32();
1286 
1287     tcg_gen_trunc_tl_i32(t0, cpu_gpr[rA(ctx->opcode)]);
1288     tcg_gen_trunc_tl_i32(t1, cpu_gpr[rB(ctx->opcode)]);
1289     tcg_gen_muls2_i32(t0, t1, t0, t1);
1290 #if defined(TARGET_PPC64)
1291     tcg_gen_concat_i32_i64(cpu_gpr[rD(ctx->opcode)], t0, t1);
1292 #else
1293     tcg_gen_mov_i32(cpu_gpr[rD(ctx->opcode)], t0);
1294 #endif
1295 
1296     tcg_gen_sari_i32(t0, t0, 31);
1297     tcg_gen_setcond_i32(TCG_COND_NE, t0, t0, t1);
1298     tcg_gen_extu_i32_tl(cpu_ov, t0);
1299     if (is_isa300(ctx)) {
1300         tcg_gen_mov_tl(cpu_ov32, cpu_ov);
1301     }
1302     tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov);
1303 
1304     tcg_temp_free_i32(t0);
1305     tcg_temp_free_i32(t1);
1306     if (unlikely(Rc(ctx->opcode) != 0))
1307         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
1308 }
1309 
1310 /* mulli */
1311 static void gen_mulli(DisasContext *ctx)
1312 {
1313     tcg_gen_muli_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
1314                     SIMM(ctx->opcode));
1315 }
1316 
1317 #if defined(TARGET_PPC64)
1318 /* mulhd  mulhd. */
1319 static void gen_mulhd(DisasContext *ctx)
1320 {
1321     TCGv lo = tcg_temp_new();
1322     tcg_gen_muls2_tl(lo, cpu_gpr[rD(ctx->opcode)],
1323                      cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
1324     tcg_temp_free(lo);
1325     if (unlikely(Rc(ctx->opcode) != 0)) {
1326         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
1327     }
1328 }
1329 
1330 /* mulhdu  mulhdu. */
1331 static void gen_mulhdu(DisasContext *ctx)
1332 {
1333     TCGv lo = tcg_temp_new();
1334     tcg_gen_mulu2_tl(lo, cpu_gpr[rD(ctx->opcode)],
1335                      cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
1336     tcg_temp_free(lo);
1337     if (unlikely(Rc(ctx->opcode) != 0)) {
1338         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
1339     }
1340 }
1341 
1342 /* mulld  mulld. */
1343 static void gen_mulld(DisasContext *ctx)
1344 {
1345     tcg_gen_mul_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
1346                    cpu_gpr[rB(ctx->opcode)]);
1347     if (unlikely(Rc(ctx->opcode) != 0))
1348         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
1349 }
1350 
1351 /* mulldo  mulldo. */
1352 static void gen_mulldo(DisasContext *ctx)
1353 {
1354     TCGv_i64 t0 = tcg_temp_new_i64();
1355     TCGv_i64 t1 = tcg_temp_new_i64();
1356 
1357     tcg_gen_muls2_i64(t0, t1, cpu_gpr[rA(ctx->opcode)],
1358                       cpu_gpr[rB(ctx->opcode)]);
1359     tcg_gen_mov_i64(cpu_gpr[rD(ctx->opcode)], t0);
1360 
1361     tcg_gen_sari_i64(t0, t0, 63);
1362     tcg_gen_setcond_i64(TCG_COND_NE, cpu_ov, t0, t1);
1363     if (is_isa300(ctx)) {
1364         tcg_gen_mov_tl(cpu_ov32, cpu_ov);
1365     }
1366     tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov);
1367 
1368     tcg_temp_free_i64(t0);
1369     tcg_temp_free_i64(t1);
1370 
1371     if (unlikely(Rc(ctx->opcode) != 0)) {
1372         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
1373     }
1374 }
1375 #endif
1376 
1377 /* Common subf function */
1378 static inline void gen_op_arith_subf(DisasContext *ctx, TCGv ret, TCGv arg1,
1379                                      TCGv arg2, bool add_ca, bool compute_ca,
1380                                      bool compute_ov, bool compute_rc0)
1381 {
1382     TCGv t0 = ret;
1383 
1384     if (compute_ca || compute_ov) {
1385         t0 = tcg_temp_new();
1386     }
1387 
1388     if (compute_ca) {
1389         /* dest = ~arg1 + arg2 [+ ca].  */
1390         if (NARROW_MODE(ctx)) {
1391             /* Caution: a non-obvious corner case of the spec is that we
1392                must produce the *entire* 64-bit addition, but produce the
1393                carry into bit 32.  */
1394             TCGv inv1 = tcg_temp_new();
1395             TCGv t1 = tcg_temp_new();
1396             tcg_gen_not_tl(inv1, arg1);
1397             if (add_ca) {
1398                 tcg_gen_add_tl(t0, arg2, cpu_ca);
1399             } else {
1400                 tcg_gen_addi_tl(t0, arg2, 1);
1401             }
1402             tcg_gen_xor_tl(t1, arg2, inv1);         /* add without carry */
1403             tcg_gen_add_tl(t0, t0, inv1);
1404             tcg_temp_free(inv1);
1405             tcg_gen_xor_tl(cpu_ca, t0, t1);         /* bits changes w/ carry */
1406             tcg_temp_free(t1);
1407             tcg_gen_shri_tl(cpu_ca, cpu_ca, 32);    /* extract bit 32 */
1408             tcg_gen_andi_tl(cpu_ca, cpu_ca, 1);
1409             if (is_isa300(ctx)) {
1410                 tcg_gen_mov_tl(cpu_ca32, cpu_ca);
1411             }
1412         } else if (add_ca) {
1413             TCGv zero, inv1 = tcg_temp_new();
1414             tcg_gen_not_tl(inv1, arg1);
1415             zero = tcg_const_tl(0);
1416             tcg_gen_add2_tl(t0, cpu_ca, arg2, zero, cpu_ca, zero);
1417             tcg_gen_add2_tl(t0, cpu_ca, t0, cpu_ca, inv1, zero);
1418             gen_op_arith_compute_ca32(ctx, t0, inv1, arg2, 0);
1419             tcg_temp_free(zero);
1420             tcg_temp_free(inv1);
1421         } else {
1422             tcg_gen_setcond_tl(TCG_COND_GEU, cpu_ca, arg2, arg1);
1423             tcg_gen_sub_tl(t0, arg2, arg1);
1424             gen_op_arith_compute_ca32(ctx, t0, arg1, arg2, 1);
1425         }
1426     } else if (add_ca) {
1427         /* Since we're ignoring carry-out, we can simplify the
1428            standard ~arg1 + arg2 + ca to arg2 - arg1 + ca - 1.  */
1429         tcg_gen_sub_tl(t0, arg2, arg1);
1430         tcg_gen_add_tl(t0, t0, cpu_ca);
1431         tcg_gen_subi_tl(t0, t0, 1);
1432     } else {
1433         tcg_gen_sub_tl(t0, arg2, arg1);
1434     }
1435 
1436     if (compute_ov) {
1437         gen_op_arith_compute_ov(ctx, t0, arg1, arg2, 1);
1438     }
1439     if (unlikely(compute_rc0)) {
1440         gen_set_Rc0(ctx, t0);
1441     }
1442 
1443     if (!TCGV_EQUAL(t0, ret)) {
1444         tcg_gen_mov_tl(ret, t0);
1445         tcg_temp_free(t0);
1446     }
1447 }
1448 /* Sub functions with Two operands functions */
1449 #define GEN_INT_ARITH_SUBF(name, opc3, add_ca, compute_ca, compute_ov)        \
1450 static void glue(gen_, name)(DisasContext *ctx)                               \
1451 {                                                                             \
1452     gen_op_arith_subf(ctx, cpu_gpr[rD(ctx->opcode)],                          \
1453                       cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],     \
1454                       add_ca, compute_ca, compute_ov, Rc(ctx->opcode));       \
1455 }
1456 /* Sub functions with one operand and one immediate */
1457 #define GEN_INT_ARITH_SUBF_CONST(name, opc3, const_val,                       \
1458                                 add_ca, compute_ca, compute_ov)               \
1459 static void glue(gen_, name)(DisasContext *ctx)                               \
1460 {                                                                             \
1461     TCGv t0 = tcg_const_tl(const_val);                                        \
1462     gen_op_arith_subf(ctx, cpu_gpr[rD(ctx->opcode)],                          \
1463                       cpu_gpr[rA(ctx->opcode)], t0,                           \
1464                       add_ca, compute_ca, compute_ov, Rc(ctx->opcode));       \
1465     tcg_temp_free(t0);                                                        \
1466 }
1467 /* subf  subf.  subfo  subfo. */
1468 GEN_INT_ARITH_SUBF(subf, 0x01, 0, 0, 0)
1469 GEN_INT_ARITH_SUBF(subfo, 0x11, 0, 0, 1)
1470 /* subfc  subfc.  subfco  subfco. */
1471 GEN_INT_ARITH_SUBF(subfc, 0x00, 0, 1, 0)
1472 GEN_INT_ARITH_SUBF(subfco, 0x10, 0, 1, 1)
1473 /* subfe  subfe.  subfeo  subfo. */
1474 GEN_INT_ARITH_SUBF(subfe, 0x04, 1, 1, 0)
1475 GEN_INT_ARITH_SUBF(subfeo, 0x14, 1, 1, 1)
1476 /* subfme  subfme.  subfmeo  subfmeo.  */
1477 GEN_INT_ARITH_SUBF_CONST(subfme, 0x07, -1LL, 1, 1, 0)
1478 GEN_INT_ARITH_SUBF_CONST(subfmeo, 0x17, -1LL, 1, 1, 1)
1479 /* subfze  subfze.  subfzeo  subfzeo.*/
1480 GEN_INT_ARITH_SUBF_CONST(subfze, 0x06, 0, 1, 1, 0)
1481 GEN_INT_ARITH_SUBF_CONST(subfzeo, 0x16, 0, 1, 1, 1)
1482 
1483 /* subfic */
1484 static void gen_subfic(DisasContext *ctx)
1485 {
1486     TCGv c = tcg_const_tl(SIMM(ctx->opcode));
1487     gen_op_arith_subf(ctx, cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
1488                       c, 0, 1, 0, 0);
1489     tcg_temp_free(c);
1490 }
1491 
1492 /* neg neg. nego nego. */
1493 static inline void gen_op_arith_neg(DisasContext *ctx, bool compute_ov)
1494 {
1495     TCGv zero = tcg_const_tl(0);
1496     gen_op_arith_subf(ctx, cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
1497                       zero, 0, 0, compute_ov, Rc(ctx->opcode));
1498     tcg_temp_free(zero);
1499 }
1500 
1501 static void gen_neg(DisasContext *ctx)
1502 {
1503     tcg_gen_neg_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
1504     if (unlikely(Rc(ctx->opcode))) {
1505         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
1506     }
1507 }
1508 
1509 static void gen_nego(DisasContext *ctx)
1510 {
1511     gen_op_arith_neg(ctx, 1);
1512 }
1513 
1514 /***                            Integer logical                            ***/
1515 #define GEN_LOGICAL2(name, tcg_op, opc, type)                                 \
1516 static void glue(gen_, name)(DisasContext *ctx)                                       \
1517 {                                                                             \
1518     tcg_op(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)],                \
1519        cpu_gpr[rB(ctx->opcode)]);                                             \
1520     if (unlikely(Rc(ctx->opcode) != 0))                                       \
1521         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);                           \
1522 }
1523 
1524 #define GEN_LOGICAL1(name, tcg_op, opc, type)                                 \
1525 static void glue(gen_, name)(DisasContext *ctx)                                       \
1526 {                                                                             \
1527     tcg_op(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);               \
1528     if (unlikely(Rc(ctx->opcode) != 0))                                       \
1529         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);                           \
1530 }
1531 
1532 /* and & and. */
1533 GEN_LOGICAL2(and, tcg_gen_and_tl, 0x00, PPC_INTEGER);
1534 /* andc & andc. */
1535 GEN_LOGICAL2(andc, tcg_gen_andc_tl, 0x01, PPC_INTEGER);
1536 
1537 /* andi. */
1538 static void gen_andi_(DisasContext *ctx)
1539 {
1540     tcg_gen_andi_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], UIMM(ctx->opcode));
1541     gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
1542 }
1543 
1544 /* andis. */
1545 static void gen_andis_(DisasContext *ctx)
1546 {
1547     tcg_gen_andi_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], UIMM(ctx->opcode) << 16);
1548     gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
1549 }
1550 
1551 /* cntlzw */
1552 static void gen_cntlzw(DisasContext *ctx)
1553 {
1554     TCGv_i32 t = tcg_temp_new_i32();
1555 
1556     tcg_gen_trunc_tl_i32(t, cpu_gpr[rS(ctx->opcode)]);
1557     tcg_gen_clzi_i32(t, t, 32);
1558     tcg_gen_extu_i32_tl(cpu_gpr[rA(ctx->opcode)], t);
1559     tcg_temp_free_i32(t);
1560 
1561     if (unlikely(Rc(ctx->opcode) != 0))
1562         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
1563 }
1564 
1565 /* cnttzw */
1566 static void gen_cnttzw(DisasContext *ctx)
1567 {
1568     TCGv_i32 t = tcg_temp_new_i32();
1569 
1570     tcg_gen_trunc_tl_i32(t, cpu_gpr[rS(ctx->opcode)]);
1571     tcg_gen_ctzi_i32(t, t, 32);
1572     tcg_gen_extu_i32_tl(cpu_gpr[rA(ctx->opcode)], t);
1573     tcg_temp_free_i32(t);
1574 
1575     if (unlikely(Rc(ctx->opcode) != 0)) {
1576         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
1577     }
1578 }
1579 
1580 /* eqv & eqv. */
1581 GEN_LOGICAL2(eqv, tcg_gen_eqv_tl, 0x08, PPC_INTEGER);
1582 /* extsb & extsb. */
1583 GEN_LOGICAL1(extsb, tcg_gen_ext8s_tl, 0x1D, PPC_INTEGER);
1584 /* extsh & extsh. */
1585 GEN_LOGICAL1(extsh, tcg_gen_ext16s_tl, 0x1C, PPC_INTEGER);
1586 /* nand & nand. */
1587 GEN_LOGICAL2(nand, tcg_gen_nand_tl, 0x0E, PPC_INTEGER);
1588 /* nor & nor. */
1589 GEN_LOGICAL2(nor, tcg_gen_nor_tl, 0x03, PPC_INTEGER);
1590 
1591 #if defined(TARGET_PPC64) && !defined(CONFIG_USER_ONLY)
1592 static void gen_pause(DisasContext *ctx)
1593 {
1594     TCGv_i32 t0 = tcg_const_i32(0);
1595     tcg_gen_st_i32(t0, cpu_env,
1596                    -offsetof(PowerPCCPU, env) + offsetof(CPUState, halted));
1597     tcg_temp_free_i32(t0);
1598 
1599     /* Stop translation, this gives other CPUs a chance to run */
1600     gen_exception_nip(ctx, EXCP_HLT, ctx->nip);
1601 }
1602 #endif /* defined(TARGET_PPC64) */
1603 
1604 /* or & or. */
1605 static void gen_or(DisasContext *ctx)
1606 {
1607     int rs, ra, rb;
1608 
1609     rs = rS(ctx->opcode);
1610     ra = rA(ctx->opcode);
1611     rb = rB(ctx->opcode);
1612     /* Optimisation for mr. ri case */
1613     if (rs != ra || rs != rb) {
1614         if (rs != rb)
1615             tcg_gen_or_tl(cpu_gpr[ra], cpu_gpr[rs], cpu_gpr[rb]);
1616         else
1617             tcg_gen_mov_tl(cpu_gpr[ra], cpu_gpr[rs]);
1618         if (unlikely(Rc(ctx->opcode) != 0))
1619             gen_set_Rc0(ctx, cpu_gpr[ra]);
1620     } else if (unlikely(Rc(ctx->opcode) != 0)) {
1621         gen_set_Rc0(ctx, cpu_gpr[rs]);
1622 #if defined(TARGET_PPC64)
1623     } else if (rs != 0) { /* 0 is nop */
1624         int prio = 0;
1625 
1626         switch (rs) {
1627         case 1:
1628             /* Set process priority to low */
1629             prio = 2;
1630             break;
1631         case 6:
1632             /* Set process priority to medium-low */
1633             prio = 3;
1634             break;
1635         case 2:
1636             /* Set process priority to normal */
1637             prio = 4;
1638             break;
1639 #if !defined(CONFIG_USER_ONLY)
1640         case 31:
1641             if (!ctx->pr) {
1642                 /* Set process priority to very low */
1643                 prio = 1;
1644             }
1645             break;
1646         case 5:
1647             if (!ctx->pr) {
1648                 /* Set process priority to medium-hight */
1649                 prio = 5;
1650             }
1651             break;
1652         case 3:
1653             if (!ctx->pr) {
1654                 /* Set process priority to high */
1655                 prio = 6;
1656             }
1657             break;
1658         case 7:
1659             if (ctx->hv && !ctx->pr) {
1660                 /* Set process priority to very high */
1661                 prio = 7;
1662             }
1663             break;
1664 #endif
1665         default:
1666             break;
1667         }
1668         if (prio) {
1669             TCGv t0 = tcg_temp_new();
1670             gen_load_spr(t0, SPR_PPR);
1671             tcg_gen_andi_tl(t0, t0, ~0x001C000000000000ULL);
1672             tcg_gen_ori_tl(t0, t0, ((uint64_t)prio) << 50);
1673             gen_store_spr(SPR_PPR, t0);
1674             tcg_temp_free(t0);
1675         }
1676 #if !defined(CONFIG_USER_ONLY)
1677         /* Pause out of TCG otherwise spin loops with smt_low eat too much
1678          * CPU and the kernel hangs.  This applies to all encodings other
1679          * than no-op, e.g., miso(rs=26), yield(27), mdoio(29), mdoom(30),
1680          * and all currently undefined.
1681          */
1682         gen_pause(ctx);
1683 #endif
1684 #endif
1685     }
1686 }
1687 /* orc & orc. */
1688 GEN_LOGICAL2(orc, tcg_gen_orc_tl, 0x0C, PPC_INTEGER);
1689 
1690 /* xor & xor. */
1691 static void gen_xor(DisasContext *ctx)
1692 {
1693     /* Optimisation for "set to zero" case */
1694     if (rS(ctx->opcode) != rB(ctx->opcode))
1695         tcg_gen_xor_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
1696     else
1697         tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0);
1698     if (unlikely(Rc(ctx->opcode) != 0))
1699         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
1700 }
1701 
1702 /* ori */
1703 static void gen_ori(DisasContext *ctx)
1704 {
1705     target_ulong uimm = UIMM(ctx->opcode);
1706 
1707     if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) {
1708         return;
1709     }
1710     tcg_gen_ori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], uimm);
1711 }
1712 
1713 /* oris */
1714 static void gen_oris(DisasContext *ctx)
1715 {
1716     target_ulong uimm = UIMM(ctx->opcode);
1717 
1718     if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) {
1719         /* NOP */
1720         return;
1721     }
1722     tcg_gen_ori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], uimm << 16);
1723 }
1724 
1725 /* xori */
1726 static void gen_xori(DisasContext *ctx)
1727 {
1728     target_ulong uimm = UIMM(ctx->opcode);
1729 
1730     if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) {
1731         /* NOP */
1732         return;
1733     }
1734     tcg_gen_xori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], uimm);
1735 }
1736 
1737 /* xoris */
1738 static void gen_xoris(DisasContext *ctx)
1739 {
1740     target_ulong uimm = UIMM(ctx->opcode);
1741 
1742     if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) {
1743         /* NOP */
1744         return;
1745     }
1746     tcg_gen_xori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], uimm << 16);
1747 }
1748 
1749 /* popcntb : PowerPC 2.03 specification */
1750 static void gen_popcntb(DisasContext *ctx)
1751 {
1752     gen_helper_popcntb(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);
1753 }
1754 
1755 static void gen_popcntw(DisasContext *ctx)
1756 {
1757 #if defined(TARGET_PPC64)
1758     gen_helper_popcntw(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);
1759 #else
1760     tcg_gen_ctpop_i32(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);
1761 #endif
1762 }
1763 
1764 #if defined(TARGET_PPC64)
1765 /* popcntd: PowerPC 2.06 specification */
1766 static void gen_popcntd(DisasContext *ctx)
1767 {
1768     tcg_gen_ctpop_i64(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);
1769 }
1770 #endif
1771 
1772 /* prtyw: PowerPC 2.05 specification */
1773 static void gen_prtyw(DisasContext *ctx)
1774 {
1775     TCGv ra = cpu_gpr[rA(ctx->opcode)];
1776     TCGv rs = cpu_gpr[rS(ctx->opcode)];
1777     TCGv t0 = tcg_temp_new();
1778     tcg_gen_shri_tl(t0, rs, 16);
1779     tcg_gen_xor_tl(ra, rs, t0);
1780     tcg_gen_shri_tl(t0, ra, 8);
1781     tcg_gen_xor_tl(ra, ra, t0);
1782     tcg_gen_andi_tl(ra, ra, (target_ulong)0x100000001ULL);
1783     tcg_temp_free(t0);
1784 }
1785 
1786 #if defined(TARGET_PPC64)
1787 /* prtyd: PowerPC 2.05 specification */
1788 static void gen_prtyd(DisasContext *ctx)
1789 {
1790     TCGv ra = cpu_gpr[rA(ctx->opcode)];
1791     TCGv rs = cpu_gpr[rS(ctx->opcode)];
1792     TCGv t0 = tcg_temp_new();
1793     tcg_gen_shri_tl(t0, rs, 32);
1794     tcg_gen_xor_tl(ra, rs, t0);
1795     tcg_gen_shri_tl(t0, ra, 16);
1796     tcg_gen_xor_tl(ra, ra, t0);
1797     tcg_gen_shri_tl(t0, ra, 8);
1798     tcg_gen_xor_tl(ra, ra, t0);
1799     tcg_gen_andi_tl(ra, ra, 1);
1800     tcg_temp_free(t0);
1801 }
1802 #endif
1803 
1804 #if defined(TARGET_PPC64)
1805 /* bpermd */
1806 static void gen_bpermd(DisasContext *ctx)
1807 {
1808     gen_helper_bpermd(cpu_gpr[rA(ctx->opcode)],
1809                       cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
1810 }
1811 #endif
1812 
1813 #if defined(TARGET_PPC64)
1814 /* extsw & extsw. */
1815 GEN_LOGICAL1(extsw, tcg_gen_ext32s_tl, 0x1E, PPC_64B);
1816 
1817 /* cntlzd */
1818 static void gen_cntlzd(DisasContext *ctx)
1819 {
1820     tcg_gen_clzi_i64(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], 64);
1821     if (unlikely(Rc(ctx->opcode) != 0))
1822         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
1823 }
1824 
1825 /* cnttzd */
1826 static void gen_cnttzd(DisasContext *ctx)
1827 {
1828     tcg_gen_ctzi_i64(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], 64);
1829     if (unlikely(Rc(ctx->opcode) != 0)) {
1830         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
1831     }
1832 }
1833 
1834 /* darn */
1835 static void gen_darn(DisasContext *ctx)
1836 {
1837     int l = L(ctx->opcode);
1838 
1839     if (l == 0) {
1840         gen_helper_darn32(cpu_gpr[rD(ctx->opcode)]);
1841     } else if (l <= 2) {
1842         /* Return 64-bit random for both CRN and RRN */
1843         gen_helper_darn64(cpu_gpr[rD(ctx->opcode)]);
1844     } else {
1845         tcg_gen_movi_i64(cpu_gpr[rD(ctx->opcode)], -1);
1846     }
1847 }
1848 #endif
1849 
1850 /***                             Integer rotate                            ***/
1851 
1852 /* rlwimi & rlwimi. */
1853 static void gen_rlwimi(DisasContext *ctx)
1854 {
1855     TCGv t_ra = cpu_gpr[rA(ctx->opcode)];
1856     TCGv t_rs = cpu_gpr[rS(ctx->opcode)];
1857     uint32_t sh = SH(ctx->opcode);
1858     uint32_t mb = MB(ctx->opcode);
1859     uint32_t me = ME(ctx->opcode);
1860 
1861     if (sh == (31-me) && mb <= me) {
1862         tcg_gen_deposit_tl(t_ra, t_ra, t_rs, sh, me - mb + 1);
1863     } else {
1864         target_ulong mask;
1865         TCGv t1;
1866 
1867 #if defined(TARGET_PPC64)
1868         mb += 32;
1869         me += 32;
1870 #endif
1871         mask = MASK(mb, me);
1872 
1873         t1 = tcg_temp_new();
1874         if (mask <= 0xffffffffu) {
1875             TCGv_i32 t0 = tcg_temp_new_i32();
1876             tcg_gen_trunc_tl_i32(t0, t_rs);
1877             tcg_gen_rotli_i32(t0, t0, sh);
1878             tcg_gen_extu_i32_tl(t1, t0);
1879             tcg_temp_free_i32(t0);
1880         } else {
1881 #if defined(TARGET_PPC64)
1882             tcg_gen_deposit_i64(t1, t_rs, t_rs, 32, 32);
1883             tcg_gen_rotli_i64(t1, t1, sh);
1884 #else
1885             g_assert_not_reached();
1886 #endif
1887         }
1888 
1889         tcg_gen_andi_tl(t1, t1, mask);
1890         tcg_gen_andi_tl(t_ra, t_ra, ~mask);
1891         tcg_gen_or_tl(t_ra, t_ra, t1);
1892         tcg_temp_free(t1);
1893     }
1894     if (unlikely(Rc(ctx->opcode) != 0)) {
1895         gen_set_Rc0(ctx, t_ra);
1896     }
1897 }
1898 
1899 /* rlwinm & rlwinm. */
1900 static void gen_rlwinm(DisasContext *ctx)
1901 {
1902     TCGv t_ra = cpu_gpr[rA(ctx->opcode)];
1903     TCGv t_rs = cpu_gpr[rS(ctx->opcode)];
1904     int sh = SH(ctx->opcode);
1905     int mb = MB(ctx->opcode);
1906     int me = ME(ctx->opcode);
1907     int len = me - mb + 1;
1908     int rsh = (32 - sh) & 31;
1909 
1910     if (sh != 0 && len > 0 && me == (31 - sh)) {
1911         tcg_gen_deposit_z_tl(t_ra, t_rs, sh, len);
1912     } else if (me == 31 && rsh + len <= 32) {
1913         tcg_gen_extract_tl(t_ra, t_rs, rsh, len);
1914     } else {
1915         target_ulong mask;
1916 #if defined(TARGET_PPC64)
1917         mb += 32;
1918         me += 32;
1919 #endif
1920         mask = MASK(mb, me);
1921         if (sh == 0) {
1922             tcg_gen_andi_tl(t_ra, t_rs, mask);
1923         } else if (mask <= 0xffffffffu) {
1924             TCGv_i32 t0 = tcg_temp_new_i32();
1925             tcg_gen_trunc_tl_i32(t0, t_rs);
1926             tcg_gen_rotli_i32(t0, t0, sh);
1927             tcg_gen_andi_i32(t0, t0, mask);
1928             tcg_gen_extu_i32_tl(t_ra, t0);
1929             tcg_temp_free_i32(t0);
1930         } else {
1931 #if defined(TARGET_PPC64)
1932             tcg_gen_deposit_i64(t_ra, t_rs, t_rs, 32, 32);
1933             tcg_gen_rotli_i64(t_ra, t_ra, sh);
1934             tcg_gen_andi_i64(t_ra, t_ra, mask);
1935 #else
1936             g_assert_not_reached();
1937 #endif
1938         }
1939     }
1940     if (unlikely(Rc(ctx->opcode) != 0)) {
1941         gen_set_Rc0(ctx, t_ra);
1942     }
1943 }
1944 
1945 /* rlwnm & rlwnm. */
1946 static void gen_rlwnm(DisasContext *ctx)
1947 {
1948     TCGv t_ra = cpu_gpr[rA(ctx->opcode)];
1949     TCGv t_rs = cpu_gpr[rS(ctx->opcode)];
1950     TCGv t_rb = cpu_gpr[rB(ctx->opcode)];
1951     uint32_t mb = MB(ctx->opcode);
1952     uint32_t me = ME(ctx->opcode);
1953     target_ulong mask;
1954 
1955 #if defined(TARGET_PPC64)
1956     mb += 32;
1957     me += 32;
1958 #endif
1959     mask = MASK(mb, me);
1960 
1961     if (mask <= 0xffffffffu) {
1962         TCGv_i32 t0 = tcg_temp_new_i32();
1963         TCGv_i32 t1 = tcg_temp_new_i32();
1964         tcg_gen_trunc_tl_i32(t0, t_rb);
1965         tcg_gen_trunc_tl_i32(t1, t_rs);
1966         tcg_gen_andi_i32(t0, t0, 0x1f);
1967         tcg_gen_rotl_i32(t1, t1, t0);
1968         tcg_gen_extu_i32_tl(t_ra, t1);
1969         tcg_temp_free_i32(t0);
1970         tcg_temp_free_i32(t1);
1971     } else {
1972 #if defined(TARGET_PPC64)
1973         TCGv_i64 t0 = tcg_temp_new_i64();
1974         tcg_gen_andi_i64(t0, t_rb, 0x1f);
1975         tcg_gen_deposit_i64(t_ra, t_rs, t_rs, 32, 32);
1976         tcg_gen_rotl_i64(t_ra, t_ra, t0);
1977         tcg_temp_free_i64(t0);
1978 #else
1979         g_assert_not_reached();
1980 #endif
1981     }
1982 
1983     tcg_gen_andi_tl(t_ra, t_ra, mask);
1984 
1985     if (unlikely(Rc(ctx->opcode) != 0)) {
1986         gen_set_Rc0(ctx, t_ra);
1987     }
1988 }
1989 
1990 #if defined(TARGET_PPC64)
1991 #define GEN_PPC64_R2(name, opc1, opc2)                                        \
1992 static void glue(gen_, name##0)(DisasContext *ctx)                            \
1993 {                                                                             \
1994     gen_##name(ctx, 0);                                                       \
1995 }                                                                             \
1996                                                                               \
1997 static void glue(gen_, name##1)(DisasContext *ctx)                            \
1998 {                                                                             \
1999     gen_##name(ctx, 1);                                                       \
2000 }
2001 #define GEN_PPC64_R4(name, opc1, opc2)                                        \
2002 static void glue(gen_, name##0)(DisasContext *ctx)                            \
2003 {                                                                             \
2004     gen_##name(ctx, 0, 0);                                                    \
2005 }                                                                             \
2006                                                                               \
2007 static void glue(gen_, name##1)(DisasContext *ctx)                            \
2008 {                                                                             \
2009     gen_##name(ctx, 0, 1);                                                    \
2010 }                                                                             \
2011                                                                               \
2012 static void glue(gen_, name##2)(DisasContext *ctx)                            \
2013 {                                                                             \
2014     gen_##name(ctx, 1, 0);                                                    \
2015 }                                                                             \
2016                                                                               \
2017 static void glue(gen_, name##3)(DisasContext *ctx)                            \
2018 {                                                                             \
2019     gen_##name(ctx, 1, 1);                                                    \
2020 }
2021 
2022 static void gen_rldinm(DisasContext *ctx, int mb, int me, int sh)
2023 {
2024     TCGv t_ra = cpu_gpr[rA(ctx->opcode)];
2025     TCGv t_rs = cpu_gpr[rS(ctx->opcode)];
2026     int len = me - mb + 1;
2027     int rsh = (64 - sh) & 63;
2028 
2029     if (sh != 0 && len > 0 && me == (63 - sh)) {
2030         tcg_gen_deposit_z_tl(t_ra, t_rs, sh, len);
2031     } else if (me == 63 && rsh + len <= 64) {
2032         tcg_gen_extract_tl(t_ra, t_rs, rsh, len);
2033     } else {
2034         tcg_gen_rotli_tl(t_ra, t_rs, sh);
2035         tcg_gen_andi_tl(t_ra, t_ra, MASK(mb, me));
2036     }
2037     if (unlikely(Rc(ctx->opcode) != 0)) {
2038         gen_set_Rc0(ctx, t_ra);
2039     }
2040 }
2041 
2042 /* rldicl - rldicl. */
2043 static inline void gen_rldicl(DisasContext *ctx, int mbn, int shn)
2044 {
2045     uint32_t sh, mb;
2046 
2047     sh = SH(ctx->opcode) | (shn << 5);
2048     mb = MB(ctx->opcode) | (mbn << 5);
2049     gen_rldinm(ctx, mb, 63, sh);
2050 }
2051 GEN_PPC64_R4(rldicl, 0x1E, 0x00);
2052 
2053 /* rldicr - rldicr. */
2054 static inline void gen_rldicr(DisasContext *ctx, int men, int shn)
2055 {
2056     uint32_t sh, me;
2057 
2058     sh = SH(ctx->opcode) | (shn << 5);
2059     me = MB(ctx->opcode) | (men << 5);
2060     gen_rldinm(ctx, 0, me, sh);
2061 }
2062 GEN_PPC64_R4(rldicr, 0x1E, 0x02);
2063 
2064 /* rldic - rldic. */
2065 static inline void gen_rldic(DisasContext *ctx, int mbn, int shn)
2066 {
2067     uint32_t sh, mb;
2068 
2069     sh = SH(ctx->opcode) | (shn << 5);
2070     mb = MB(ctx->opcode) | (mbn << 5);
2071     gen_rldinm(ctx, mb, 63 - sh, sh);
2072 }
2073 GEN_PPC64_R4(rldic, 0x1E, 0x04);
2074 
2075 static void gen_rldnm(DisasContext *ctx, int mb, int me)
2076 {
2077     TCGv t_ra = cpu_gpr[rA(ctx->opcode)];
2078     TCGv t_rs = cpu_gpr[rS(ctx->opcode)];
2079     TCGv t_rb = cpu_gpr[rB(ctx->opcode)];
2080     TCGv t0;
2081 
2082     t0 = tcg_temp_new();
2083     tcg_gen_andi_tl(t0, t_rb, 0x3f);
2084     tcg_gen_rotl_tl(t_ra, t_rs, t0);
2085     tcg_temp_free(t0);
2086 
2087     tcg_gen_andi_tl(t_ra, t_ra, MASK(mb, me));
2088     if (unlikely(Rc(ctx->opcode) != 0)) {
2089         gen_set_Rc0(ctx, t_ra);
2090     }
2091 }
2092 
2093 /* rldcl - rldcl. */
2094 static inline void gen_rldcl(DisasContext *ctx, int mbn)
2095 {
2096     uint32_t mb;
2097 
2098     mb = MB(ctx->opcode) | (mbn << 5);
2099     gen_rldnm(ctx, mb, 63);
2100 }
2101 GEN_PPC64_R2(rldcl, 0x1E, 0x08);
2102 
2103 /* rldcr - rldcr. */
2104 static inline void gen_rldcr(DisasContext *ctx, int men)
2105 {
2106     uint32_t me;
2107 
2108     me = MB(ctx->opcode) | (men << 5);
2109     gen_rldnm(ctx, 0, me);
2110 }
2111 GEN_PPC64_R2(rldcr, 0x1E, 0x09);
2112 
2113 /* rldimi - rldimi. */
2114 static void gen_rldimi(DisasContext *ctx, int mbn, int shn)
2115 {
2116     TCGv t_ra = cpu_gpr[rA(ctx->opcode)];
2117     TCGv t_rs = cpu_gpr[rS(ctx->opcode)];
2118     uint32_t sh = SH(ctx->opcode) | (shn << 5);
2119     uint32_t mb = MB(ctx->opcode) | (mbn << 5);
2120     uint32_t me = 63 - sh;
2121 
2122     if (mb <= me) {
2123         tcg_gen_deposit_tl(t_ra, t_ra, t_rs, sh, me - mb + 1);
2124     } else {
2125         target_ulong mask = MASK(mb, me);
2126         TCGv t1 = tcg_temp_new();
2127 
2128         tcg_gen_rotli_tl(t1, t_rs, sh);
2129         tcg_gen_andi_tl(t1, t1, mask);
2130         tcg_gen_andi_tl(t_ra, t_ra, ~mask);
2131         tcg_gen_or_tl(t_ra, t_ra, t1);
2132         tcg_temp_free(t1);
2133     }
2134     if (unlikely(Rc(ctx->opcode) != 0)) {
2135         gen_set_Rc0(ctx, t_ra);
2136     }
2137 }
2138 GEN_PPC64_R4(rldimi, 0x1E, 0x06);
2139 #endif
2140 
2141 /***                             Integer shift                             ***/
2142 
2143 /* slw & slw. */
2144 static void gen_slw(DisasContext *ctx)
2145 {
2146     TCGv t0, t1;
2147 
2148     t0 = tcg_temp_new();
2149     /* AND rS with a mask that is 0 when rB >= 0x20 */
2150 #if defined(TARGET_PPC64)
2151     tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x3a);
2152     tcg_gen_sari_tl(t0, t0, 0x3f);
2153 #else
2154     tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1a);
2155     tcg_gen_sari_tl(t0, t0, 0x1f);
2156 #endif
2157     tcg_gen_andc_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
2158     t1 = tcg_temp_new();
2159     tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1f);
2160     tcg_gen_shl_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
2161     tcg_temp_free(t1);
2162     tcg_temp_free(t0);
2163     tcg_gen_ext32u_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
2164     if (unlikely(Rc(ctx->opcode) != 0))
2165         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
2166 }
2167 
2168 /* sraw & sraw. */
2169 static void gen_sraw(DisasContext *ctx)
2170 {
2171     gen_helper_sraw(cpu_gpr[rA(ctx->opcode)], cpu_env,
2172                     cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
2173     if (unlikely(Rc(ctx->opcode) != 0))
2174         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
2175 }
2176 
2177 /* srawi & srawi. */
2178 static void gen_srawi(DisasContext *ctx)
2179 {
2180     int sh = SH(ctx->opcode);
2181     TCGv dst = cpu_gpr[rA(ctx->opcode)];
2182     TCGv src = cpu_gpr[rS(ctx->opcode)];
2183     if (sh == 0) {
2184         tcg_gen_ext32s_tl(dst, src);
2185         tcg_gen_movi_tl(cpu_ca, 0);
2186     } else {
2187         TCGv t0;
2188         tcg_gen_ext32s_tl(dst, src);
2189         tcg_gen_andi_tl(cpu_ca, dst, (1ULL << sh) - 1);
2190         t0 = tcg_temp_new();
2191         tcg_gen_sari_tl(t0, dst, TARGET_LONG_BITS - 1);
2192         tcg_gen_and_tl(cpu_ca, cpu_ca, t0);
2193         tcg_temp_free(t0);
2194         tcg_gen_setcondi_tl(TCG_COND_NE, cpu_ca, cpu_ca, 0);
2195         tcg_gen_sari_tl(dst, dst, sh);
2196     }
2197     if (unlikely(Rc(ctx->opcode) != 0)) {
2198         gen_set_Rc0(ctx, dst);
2199     }
2200 }
2201 
2202 /* srw & srw. */
2203 static void gen_srw(DisasContext *ctx)
2204 {
2205     TCGv t0, t1;
2206 
2207     t0 = tcg_temp_new();
2208     /* AND rS with a mask that is 0 when rB >= 0x20 */
2209 #if defined(TARGET_PPC64)
2210     tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x3a);
2211     tcg_gen_sari_tl(t0, t0, 0x3f);
2212 #else
2213     tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1a);
2214     tcg_gen_sari_tl(t0, t0, 0x1f);
2215 #endif
2216     tcg_gen_andc_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
2217     tcg_gen_ext32u_tl(t0, t0);
2218     t1 = tcg_temp_new();
2219     tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1f);
2220     tcg_gen_shr_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
2221     tcg_temp_free(t1);
2222     tcg_temp_free(t0);
2223     if (unlikely(Rc(ctx->opcode) != 0))
2224         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
2225 }
2226 
2227 #if defined(TARGET_PPC64)
2228 /* sld & sld. */
2229 static void gen_sld(DisasContext *ctx)
2230 {
2231     TCGv t0, t1;
2232 
2233     t0 = tcg_temp_new();
2234     /* AND rS with a mask that is 0 when rB >= 0x40 */
2235     tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x39);
2236     tcg_gen_sari_tl(t0, t0, 0x3f);
2237     tcg_gen_andc_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
2238     t1 = tcg_temp_new();
2239     tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x3f);
2240     tcg_gen_shl_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
2241     tcg_temp_free(t1);
2242     tcg_temp_free(t0);
2243     if (unlikely(Rc(ctx->opcode) != 0))
2244         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
2245 }
2246 
2247 /* srad & srad. */
2248 static void gen_srad(DisasContext *ctx)
2249 {
2250     gen_helper_srad(cpu_gpr[rA(ctx->opcode)], cpu_env,
2251                     cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
2252     if (unlikely(Rc(ctx->opcode) != 0))
2253         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
2254 }
2255 /* sradi & sradi. */
2256 static inline void gen_sradi(DisasContext *ctx, int n)
2257 {
2258     int sh = SH(ctx->opcode) + (n << 5);
2259     TCGv dst = cpu_gpr[rA(ctx->opcode)];
2260     TCGv src = cpu_gpr[rS(ctx->opcode)];
2261     if (sh == 0) {
2262         tcg_gen_mov_tl(dst, src);
2263         tcg_gen_movi_tl(cpu_ca, 0);
2264     } else {
2265         TCGv t0;
2266         tcg_gen_andi_tl(cpu_ca, src, (1ULL << sh) - 1);
2267         t0 = tcg_temp_new();
2268         tcg_gen_sari_tl(t0, src, TARGET_LONG_BITS - 1);
2269         tcg_gen_and_tl(cpu_ca, cpu_ca, t0);
2270         tcg_temp_free(t0);
2271         tcg_gen_setcondi_tl(TCG_COND_NE, cpu_ca, cpu_ca, 0);
2272         tcg_gen_sari_tl(dst, src, sh);
2273     }
2274     if (unlikely(Rc(ctx->opcode) != 0)) {
2275         gen_set_Rc0(ctx, dst);
2276     }
2277 }
2278 
2279 static void gen_sradi0(DisasContext *ctx)
2280 {
2281     gen_sradi(ctx, 0);
2282 }
2283 
2284 static void gen_sradi1(DisasContext *ctx)
2285 {
2286     gen_sradi(ctx, 1);
2287 }
2288 
2289 /* extswsli & extswsli. */
2290 static inline void gen_extswsli(DisasContext *ctx, int n)
2291 {
2292     int sh = SH(ctx->opcode) + (n << 5);
2293     TCGv dst = cpu_gpr[rA(ctx->opcode)];
2294     TCGv src = cpu_gpr[rS(ctx->opcode)];
2295 
2296     tcg_gen_ext32s_tl(dst, src);
2297     tcg_gen_shli_tl(dst, dst, sh);
2298     if (unlikely(Rc(ctx->opcode) != 0)) {
2299         gen_set_Rc0(ctx, dst);
2300     }
2301 }
2302 
2303 static void gen_extswsli0(DisasContext *ctx)
2304 {
2305     gen_extswsli(ctx, 0);
2306 }
2307 
2308 static void gen_extswsli1(DisasContext *ctx)
2309 {
2310     gen_extswsli(ctx, 1);
2311 }
2312 
2313 /* srd & srd. */
2314 static void gen_srd(DisasContext *ctx)
2315 {
2316     TCGv t0, t1;
2317 
2318     t0 = tcg_temp_new();
2319     /* AND rS with a mask that is 0 when rB >= 0x40 */
2320     tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x39);
2321     tcg_gen_sari_tl(t0, t0, 0x3f);
2322     tcg_gen_andc_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
2323     t1 = tcg_temp_new();
2324     tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x3f);
2325     tcg_gen_shr_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
2326     tcg_temp_free(t1);
2327     tcg_temp_free(t0);
2328     if (unlikely(Rc(ctx->opcode) != 0))
2329         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
2330 }
2331 #endif
2332 
2333 /***                           Addressing modes                            ***/
2334 /* Register indirect with immediate index : EA = (rA|0) + SIMM */
2335 static inline void gen_addr_imm_index(DisasContext *ctx, TCGv EA,
2336                                       target_long maskl)
2337 {
2338     target_long simm = SIMM(ctx->opcode);
2339 
2340     simm &= ~maskl;
2341     if (rA(ctx->opcode) == 0) {
2342         if (NARROW_MODE(ctx)) {
2343             simm = (uint32_t)simm;
2344         }
2345         tcg_gen_movi_tl(EA, simm);
2346     } else if (likely(simm != 0)) {
2347         tcg_gen_addi_tl(EA, cpu_gpr[rA(ctx->opcode)], simm);
2348         if (NARROW_MODE(ctx)) {
2349             tcg_gen_ext32u_tl(EA, EA);
2350         }
2351     } else {
2352         if (NARROW_MODE(ctx)) {
2353             tcg_gen_ext32u_tl(EA, cpu_gpr[rA(ctx->opcode)]);
2354         } else {
2355             tcg_gen_mov_tl(EA, cpu_gpr[rA(ctx->opcode)]);
2356         }
2357     }
2358 }
2359 
2360 static inline void gen_addr_reg_index(DisasContext *ctx, TCGv EA)
2361 {
2362     if (rA(ctx->opcode) == 0) {
2363         if (NARROW_MODE(ctx)) {
2364             tcg_gen_ext32u_tl(EA, cpu_gpr[rB(ctx->opcode)]);
2365         } else {
2366             tcg_gen_mov_tl(EA, cpu_gpr[rB(ctx->opcode)]);
2367         }
2368     } else {
2369         tcg_gen_add_tl(EA, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
2370         if (NARROW_MODE(ctx)) {
2371             tcg_gen_ext32u_tl(EA, EA);
2372         }
2373     }
2374 }
2375 
2376 static inline void gen_addr_register(DisasContext *ctx, TCGv EA)
2377 {
2378     if (rA(ctx->opcode) == 0) {
2379         tcg_gen_movi_tl(EA, 0);
2380     } else if (NARROW_MODE(ctx)) {
2381         tcg_gen_ext32u_tl(EA, cpu_gpr[rA(ctx->opcode)]);
2382     } else {
2383         tcg_gen_mov_tl(EA, cpu_gpr[rA(ctx->opcode)]);
2384     }
2385 }
2386 
2387 static inline void gen_addr_add(DisasContext *ctx, TCGv ret, TCGv arg1,
2388                                 target_long val)
2389 {
2390     tcg_gen_addi_tl(ret, arg1, val);
2391     if (NARROW_MODE(ctx)) {
2392         tcg_gen_ext32u_tl(ret, ret);
2393     }
2394 }
2395 
2396 static inline void gen_check_align(DisasContext *ctx, TCGv EA, int mask)
2397 {
2398     TCGLabel *l1 = gen_new_label();
2399     TCGv t0 = tcg_temp_new();
2400     TCGv_i32 t1, t2;
2401     tcg_gen_andi_tl(t0, EA, mask);
2402     tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1);
2403     t1 = tcg_const_i32(POWERPC_EXCP_ALIGN);
2404     t2 = tcg_const_i32(ctx->opcode & 0x03FF0000);
2405     gen_update_nip(ctx, ctx->nip - 4);
2406     gen_helper_raise_exception_err(cpu_env, t1, t2);
2407     tcg_temp_free_i32(t1);
2408     tcg_temp_free_i32(t2);
2409     gen_set_label(l1);
2410     tcg_temp_free(t0);
2411 }
2412 
2413 static inline void gen_align_no_le(DisasContext *ctx)
2414 {
2415     gen_exception_err(ctx, POWERPC_EXCP_ALIGN,
2416                       (ctx->opcode & 0x03FF0000) | POWERPC_EXCP_ALIGN_LE);
2417 }
2418 
2419 /***                             Integer load                              ***/
2420 #define DEF_MEMOP(op) ((op) | ctx->default_tcg_memop_mask)
2421 #define BSWAP_MEMOP(op) ((op) | (ctx->default_tcg_memop_mask ^ MO_BSWAP))
2422 
2423 #define GEN_QEMU_LOAD_TL(ldop, op)                                      \
2424 static void glue(gen_qemu_, ldop)(DisasContext *ctx,                    \
2425                                   TCGv val,                             \
2426                                   TCGv addr)                            \
2427 {                                                                       \
2428     tcg_gen_qemu_ld_tl(val, addr, ctx->mem_idx, op);                    \
2429 }
2430 
2431 GEN_QEMU_LOAD_TL(ld8u,  DEF_MEMOP(MO_UB))
2432 GEN_QEMU_LOAD_TL(ld16u, DEF_MEMOP(MO_UW))
2433 GEN_QEMU_LOAD_TL(ld16s, DEF_MEMOP(MO_SW))
2434 GEN_QEMU_LOAD_TL(ld32u, DEF_MEMOP(MO_UL))
2435 GEN_QEMU_LOAD_TL(ld32s, DEF_MEMOP(MO_SL))
2436 
2437 GEN_QEMU_LOAD_TL(ld16ur, BSWAP_MEMOP(MO_UW))
2438 GEN_QEMU_LOAD_TL(ld32ur, BSWAP_MEMOP(MO_UL))
2439 
2440 #define GEN_QEMU_LOAD_64(ldop, op)                                  \
2441 static void glue(gen_qemu_, glue(ldop, _i64))(DisasContext *ctx,    \
2442                                              TCGv_i64 val,          \
2443                                              TCGv addr)             \
2444 {                                                                   \
2445     tcg_gen_qemu_ld_i64(val, addr, ctx->mem_idx, op);               \
2446 }
2447 
2448 GEN_QEMU_LOAD_64(ld8u,  DEF_MEMOP(MO_UB))
2449 GEN_QEMU_LOAD_64(ld16u, DEF_MEMOP(MO_UW))
2450 GEN_QEMU_LOAD_64(ld32u, DEF_MEMOP(MO_UL))
2451 GEN_QEMU_LOAD_64(ld32s, DEF_MEMOP(MO_SL))
2452 GEN_QEMU_LOAD_64(ld64,  DEF_MEMOP(MO_Q))
2453 
2454 #if defined(TARGET_PPC64)
2455 GEN_QEMU_LOAD_64(ld64ur, BSWAP_MEMOP(MO_Q))
2456 #endif
2457 
2458 #define GEN_QEMU_STORE_TL(stop, op)                                     \
2459 static void glue(gen_qemu_, stop)(DisasContext *ctx,                    \
2460                                   TCGv val,                             \
2461                                   TCGv addr)                            \
2462 {                                                                       \
2463     tcg_gen_qemu_st_tl(val, addr, ctx->mem_idx, op);                    \
2464 }
2465 
2466 GEN_QEMU_STORE_TL(st8,  DEF_MEMOP(MO_UB))
2467 GEN_QEMU_STORE_TL(st16, DEF_MEMOP(MO_UW))
2468 GEN_QEMU_STORE_TL(st32, DEF_MEMOP(MO_UL))
2469 
2470 GEN_QEMU_STORE_TL(st16r, BSWAP_MEMOP(MO_UW))
2471 GEN_QEMU_STORE_TL(st32r, BSWAP_MEMOP(MO_UL))
2472 
2473 #define GEN_QEMU_STORE_64(stop, op)                               \
2474 static void glue(gen_qemu_, glue(stop, _i64))(DisasContext *ctx,  \
2475                                               TCGv_i64 val,       \
2476                                               TCGv addr)          \
2477 {                                                                 \
2478     tcg_gen_qemu_st_i64(val, addr, ctx->mem_idx, op);             \
2479 }
2480 
2481 GEN_QEMU_STORE_64(st8,  DEF_MEMOP(MO_UB))
2482 GEN_QEMU_STORE_64(st16, DEF_MEMOP(MO_UW))
2483 GEN_QEMU_STORE_64(st32, DEF_MEMOP(MO_UL))
2484 GEN_QEMU_STORE_64(st64, DEF_MEMOP(MO_Q))
2485 
2486 #if defined(TARGET_PPC64)
2487 GEN_QEMU_STORE_64(st64r, BSWAP_MEMOP(MO_Q))
2488 #endif
2489 
2490 #define GEN_LD(name, ldop, opc, type)                                         \
2491 static void glue(gen_, name)(DisasContext *ctx)                                       \
2492 {                                                                             \
2493     TCGv EA;                                                                  \
2494     gen_set_access_type(ctx, ACCESS_INT);                                     \
2495     EA = tcg_temp_new();                                                      \
2496     gen_addr_imm_index(ctx, EA, 0);                                           \
2497     gen_qemu_##ldop(ctx, cpu_gpr[rD(ctx->opcode)], EA);                       \
2498     tcg_temp_free(EA);                                                        \
2499 }
2500 
2501 #define GEN_LDU(name, ldop, opc, type)                                        \
2502 static void glue(gen_, name##u)(DisasContext *ctx)                                    \
2503 {                                                                             \
2504     TCGv EA;                                                                  \
2505     if (unlikely(rA(ctx->opcode) == 0 ||                                      \
2506                  rA(ctx->opcode) == rD(ctx->opcode))) {                       \
2507         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);                   \
2508         return;                                                               \
2509     }                                                                         \
2510     gen_set_access_type(ctx, ACCESS_INT);                                     \
2511     EA = tcg_temp_new();                                                      \
2512     if (type == PPC_64B)                                                      \
2513         gen_addr_imm_index(ctx, EA, 0x03);                                    \
2514     else                                                                      \
2515         gen_addr_imm_index(ctx, EA, 0);                                       \
2516     gen_qemu_##ldop(ctx, cpu_gpr[rD(ctx->opcode)], EA);                       \
2517     tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA);                             \
2518     tcg_temp_free(EA);                                                        \
2519 }
2520 
2521 #define GEN_LDUX(name, ldop, opc2, opc3, type)                                \
2522 static void glue(gen_, name##ux)(DisasContext *ctx)                                   \
2523 {                                                                             \
2524     TCGv EA;                                                                  \
2525     if (unlikely(rA(ctx->opcode) == 0 ||                                      \
2526                  rA(ctx->opcode) == rD(ctx->opcode))) {                       \
2527         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);                   \
2528         return;                                                               \
2529     }                                                                         \
2530     gen_set_access_type(ctx, ACCESS_INT);                                     \
2531     EA = tcg_temp_new();                                                      \
2532     gen_addr_reg_index(ctx, EA);                                              \
2533     gen_qemu_##ldop(ctx, cpu_gpr[rD(ctx->opcode)], EA);                       \
2534     tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA);                             \
2535     tcg_temp_free(EA);                                                        \
2536 }
2537 
2538 #define GEN_LDX_E(name, ldop, opc2, opc3, type, type2, chk)                   \
2539 static void glue(gen_, name##x)(DisasContext *ctx)                            \
2540 {                                                                             \
2541     TCGv EA;                                                                  \
2542     chk;                                                                      \
2543     gen_set_access_type(ctx, ACCESS_INT);                                     \
2544     EA = tcg_temp_new();                                                      \
2545     gen_addr_reg_index(ctx, EA);                                              \
2546     gen_qemu_##ldop(ctx, cpu_gpr[rD(ctx->opcode)], EA);                       \
2547     tcg_temp_free(EA);                                                        \
2548 }
2549 
2550 #define GEN_LDX(name, ldop, opc2, opc3, type)                                 \
2551     GEN_LDX_E(name, ldop, opc2, opc3, type, PPC_NONE, CHK_NONE)
2552 
2553 #define GEN_LDX_HVRM(name, ldop, opc2, opc3, type)                            \
2554     GEN_LDX_E(name, ldop, opc2, opc3, type, PPC_NONE, CHK_HVRM)
2555 
2556 #define GEN_LDS(name, ldop, op, type)                                         \
2557 GEN_LD(name, ldop, op | 0x20, type);                                          \
2558 GEN_LDU(name, ldop, op | 0x21, type);                                         \
2559 GEN_LDUX(name, ldop, 0x17, op | 0x01, type);                                  \
2560 GEN_LDX(name, ldop, 0x17, op | 0x00, type)
2561 
2562 /* lbz lbzu lbzux lbzx */
2563 GEN_LDS(lbz, ld8u, 0x02, PPC_INTEGER);
2564 /* lha lhau lhaux lhax */
2565 GEN_LDS(lha, ld16s, 0x0A, PPC_INTEGER);
2566 /* lhz lhzu lhzux lhzx */
2567 GEN_LDS(lhz, ld16u, 0x08, PPC_INTEGER);
2568 /* lwz lwzu lwzux lwzx */
2569 GEN_LDS(lwz, ld32u, 0x00, PPC_INTEGER);
2570 #if defined(TARGET_PPC64)
2571 /* lwaux */
2572 GEN_LDUX(lwa, ld32s, 0x15, 0x0B, PPC_64B);
2573 /* lwax */
2574 GEN_LDX(lwa, ld32s, 0x15, 0x0A, PPC_64B);
2575 /* ldux */
2576 GEN_LDUX(ld, ld64_i64, 0x15, 0x01, PPC_64B);
2577 /* ldx */
2578 GEN_LDX(ld, ld64_i64, 0x15, 0x00, PPC_64B);
2579 
2580 /* CI load/store variants */
2581 GEN_LDX_HVRM(ldcix, ld64_i64, 0x15, 0x1b, PPC_CILDST)
2582 GEN_LDX_HVRM(lwzcix, ld32u, 0x15, 0x15, PPC_CILDST)
2583 GEN_LDX_HVRM(lhzcix, ld16u, 0x15, 0x19, PPC_CILDST)
2584 GEN_LDX_HVRM(lbzcix, ld8u, 0x15, 0x1a, PPC_CILDST)
2585 
2586 static void gen_ld(DisasContext *ctx)
2587 {
2588     TCGv EA;
2589     if (Rc(ctx->opcode)) {
2590         if (unlikely(rA(ctx->opcode) == 0 ||
2591                      rA(ctx->opcode) == rD(ctx->opcode))) {
2592             gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
2593             return;
2594         }
2595     }
2596     gen_set_access_type(ctx, ACCESS_INT);
2597     EA = tcg_temp_new();
2598     gen_addr_imm_index(ctx, EA, 0x03);
2599     if (ctx->opcode & 0x02) {
2600         /* lwa (lwau is undefined) */
2601         gen_qemu_ld32s(ctx, cpu_gpr[rD(ctx->opcode)], EA);
2602     } else {
2603         /* ld - ldu */
2604         gen_qemu_ld64_i64(ctx, cpu_gpr[rD(ctx->opcode)], EA);
2605     }
2606     if (Rc(ctx->opcode))
2607         tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA);
2608     tcg_temp_free(EA);
2609 }
2610 
2611 /* lq */
2612 static void gen_lq(DisasContext *ctx)
2613 {
2614     int ra, rd;
2615     TCGv EA;
2616 
2617     /* lq is a legal user mode instruction starting in ISA 2.07 */
2618     bool legal_in_user_mode = (ctx->insns_flags2 & PPC2_LSQ_ISA207) != 0;
2619     bool le_is_supported = (ctx->insns_flags2 & PPC2_LSQ_ISA207) != 0;
2620 
2621     if (!legal_in_user_mode && ctx->pr) {
2622         gen_priv_exception(ctx, POWERPC_EXCP_PRIV_OPC);
2623         return;
2624     }
2625 
2626     if (!le_is_supported && ctx->le_mode) {
2627         gen_align_no_le(ctx);
2628         return;
2629     }
2630     ra = rA(ctx->opcode);
2631     rd = rD(ctx->opcode);
2632     if (unlikely((rd & 1) || rd == ra)) {
2633         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
2634         return;
2635     }
2636 
2637     gen_set_access_type(ctx, ACCESS_INT);
2638     EA = tcg_temp_new();
2639     gen_addr_imm_index(ctx, EA, 0x0F);
2640 
2641     /* We only need to swap high and low halves. gen_qemu_ld64_i64 does
2642        necessary 64-bit byteswap already. */
2643     if (unlikely(ctx->le_mode)) {
2644         gen_qemu_ld64_i64(ctx, cpu_gpr[rd + 1], EA);
2645         gen_addr_add(ctx, EA, EA, 8);
2646         gen_qemu_ld64_i64(ctx, cpu_gpr[rd], EA);
2647     } else {
2648         gen_qemu_ld64_i64(ctx, cpu_gpr[rd], EA);
2649         gen_addr_add(ctx, EA, EA, 8);
2650         gen_qemu_ld64_i64(ctx, cpu_gpr[rd + 1], EA);
2651     }
2652     tcg_temp_free(EA);
2653 }
2654 #endif
2655 
2656 /***                              Integer store                            ***/
2657 #define GEN_ST(name, stop, opc, type)                                         \
2658 static void glue(gen_, name)(DisasContext *ctx)                                       \
2659 {                                                                             \
2660     TCGv EA;                                                                  \
2661     gen_set_access_type(ctx, ACCESS_INT);                                     \
2662     EA = tcg_temp_new();                                                      \
2663     gen_addr_imm_index(ctx, EA, 0);                                           \
2664     gen_qemu_##stop(ctx, cpu_gpr[rS(ctx->opcode)], EA);                       \
2665     tcg_temp_free(EA);                                                        \
2666 }
2667 
2668 #define GEN_STU(name, stop, opc, type)                                        \
2669 static void glue(gen_, stop##u)(DisasContext *ctx)                                    \
2670 {                                                                             \
2671     TCGv EA;                                                                  \
2672     if (unlikely(rA(ctx->opcode) == 0)) {                                     \
2673         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);                   \
2674         return;                                                               \
2675     }                                                                         \
2676     gen_set_access_type(ctx, ACCESS_INT);                                     \
2677     EA = tcg_temp_new();                                                      \
2678     if (type == PPC_64B)                                                      \
2679         gen_addr_imm_index(ctx, EA, 0x03);                                    \
2680     else                                                                      \
2681         gen_addr_imm_index(ctx, EA, 0);                                       \
2682     gen_qemu_##stop(ctx, cpu_gpr[rS(ctx->opcode)], EA);                       \
2683     tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA);                             \
2684     tcg_temp_free(EA);                                                        \
2685 }
2686 
2687 #define GEN_STUX(name, stop, opc2, opc3, type)                                \
2688 static void glue(gen_, name##ux)(DisasContext *ctx)                                   \
2689 {                                                                             \
2690     TCGv EA;                                                                  \
2691     if (unlikely(rA(ctx->opcode) == 0)) {                                     \
2692         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);                   \
2693         return;                                                               \
2694     }                                                                         \
2695     gen_set_access_type(ctx, ACCESS_INT);                                     \
2696     EA = tcg_temp_new();                                                      \
2697     gen_addr_reg_index(ctx, EA);                                              \
2698     gen_qemu_##stop(ctx, cpu_gpr[rS(ctx->opcode)], EA);                       \
2699     tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA);                             \
2700     tcg_temp_free(EA);                                                        \
2701 }
2702 
2703 #define GEN_STX_E(name, stop, opc2, opc3, type, type2, chk)                   \
2704 static void glue(gen_, name##x)(DisasContext *ctx)                            \
2705 {                                                                             \
2706     TCGv EA;                                                                  \
2707     chk;                                                                      \
2708     gen_set_access_type(ctx, ACCESS_INT);                                     \
2709     EA = tcg_temp_new();                                                      \
2710     gen_addr_reg_index(ctx, EA);                                              \
2711     gen_qemu_##stop(ctx, cpu_gpr[rS(ctx->opcode)], EA);                       \
2712     tcg_temp_free(EA);                                                        \
2713 }
2714 #define GEN_STX(name, stop, opc2, opc3, type)                                 \
2715     GEN_STX_E(name, stop, opc2, opc3, type, PPC_NONE, CHK_NONE)
2716 
2717 #define GEN_STX_HVRM(name, stop, opc2, opc3, type)                            \
2718     GEN_STX_E(name, stop, opc2, opc3, type, PPC_NONE, CHK_HVRM)
2719 
2720 #define GEN_STS(name, stop, op, type)                                         \
2721 GEN_ST(name, stop, op | 0x20, type);                                          \
2722 GEN_STU(name, stop, op | 0x21, type);                                         \
2723 GEN_STUX(name, stop, 0x17, op | 0x01, type);                                  \
2724 GEN_STX(name, stop, 0x17, op | 0x00, type)
2725 
2726 /* stb stbu stbux stbx */
2727 GEN_STS(stb, st8, 0x06, PPC_INTEGER);
2728 /* sth sthu sthux sthx */
2729 GEN_STS(sth, st16, 0x0C, PPC_INTEGER);
2730 /* stw stwu stwux stwx */
2731 GEN_STS(stw, st32, 0x04, PPC_INTEGER);
2732 #if defined(TARGET_PPC64)
2733 GEN_STUX(std, st64_i64, 0x15, 0x05, PPC_64B);
2734 GEN_STX(std, st64_i64, 0x15, 0x04, PPC_64B);
2735 GEN_STX_HVRM(stdcix, st64_i64, 0x15, 0x1f, PPC_CILDST)
2736 GEN_STX_HVRM(stwcix, st32, 0x15, 0x1c, PPC_CILDST)
2737 GEN_STX_HVRM(sthcix, st16, 0x15, 0x1d, PPC_CILDST)
2738 GEN_STX_HVRM(stbcix, st8, 0x15, 0x1e, PPC_CILDST)
2739 
2740 static void gen_std(DisasContext *ctx)
2741 {
2742     int rs;
2743     TCGv EA;
2744 
2745     rs = rS(ctx->opcode);
2746     if ((ctx->opcode & 0x3) == 0x2) { /* stq */
2747         bool legal_in_user_mode = (ctx->insns_flags2 & PPC2_LSQ_ISA207) != 0;
2748         bool le_is_supported = (ctx->insns_flags2 & PPC2_LSQ_ISA207) != 0;
2749 
2750         if (!(ctx->insns_flags & PPC_64BX)) {
2751             gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
2752         }
2753 
2754         if (!legal_in_user_mode && ctx->pr) {
2755             gen_priv_exception(ctx, POWERPC_EXCP_PRIV_OPC);
2756             return;
2757         }
2758 
2759         if (!le_is_supported && ctx->le_mode) {
2760             gen_align_no_le(ctx);
2761             return;
2762         }
2763 
2764         if (unlikely(rs & 1)) {
2765             gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
2766             return;
2767         }
2768         gen_set_access_type(ctx, ACCESS_INT);
2769         EA = tcg_temp_new();
2770         gen_addr_imm_index(ctx, EA, 0x03);
2771 
2772         /* We only need to swap high and low halves. gen_qemu_st64_i64 does
2773            necessary 64-bit byteswap already. */
2774         if (unlikely(ctx->le_mode)) {
2775             gen_qemu_st64_i64(ctx, cpu_gpr[rs + 1], EA);
2776             gen_addr_add(ctx, EA, EA, 8);
2777             gen_qemu_st64_i64(ctx, cpu_gpr[rs], EA);
2778         } else {
2779             gen_qemu_st64_i64(ctx, cpu_gpr[rs], EA);
2780             gen_addr_add(ctx, EA, EA, 8);
2781             gen_qemu_st64_i64(ctx, cpu_gpr[rs + 1], EA);
2782         }
2783         tcg_temp_free(EA);
2784     } else {
2785         /* std / stdu*/
2786         if (Rc(ctx->opcode)) {
2787             if (unlikely(rA(ctx->opcode) == 0)) {
2788                 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
2789                 return;
2790             }
2791         }
2792         gen_set_access_type(ctx, ACCESS_INT);
2793         EA = tcg_temp_new();
2794         gen_addr_imm_index(ctx, EA, 0x03);
2795         gen_qemu_st64_i64(ctx, cpu_gpr[rs], EA);
2796         if (Rc(ctx->opcode))
2797             tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA);
2798         tcg_temp_free(EA);
2799     }
2800 }
2801 #endif
2802 /***                Integer load and store with byte reverse               ***/
2803 
2804 /* lhbrx */
2805 GEN_LDX(lhbr, ld16ur, 0x16, 0x18, PPC_INTEGER);
2806 
2807 /* lwbrx */
2808 GEN_LDX(lwbr, ld32ur, 0x16, 0x10, PPC_INTEGER);
2809 
2810 #if defined(TARGET_PPC64)
2811 /* ldbrx */
2812 GEN_LDX_E(ldbr, ld64ur_i64, 0x14, 0x10, PPC_NONE, PPC2_DBRX, CHK_NONE);
2813 /* stdbrx */
2814 GEN_STX_E(stdbr, st64r_i64, 0x14, 0x14, PPC_NONE, PPC2_DBRX, CHK_NONE);
2815 #endif  /* TARGET_PPC64 */
2816 
2817 /* sthbrx */
2818 GEN_STX(sthbr, st16r, 0x16, 0x1C, PPC_INTEGER);
2819 /* stwbrx */
2820 GEN_STX(stwbr, st32r, 0x16, 0x14, PPC_INTEGER);
2821 
2822 /***                    Integer load and store multiple                    ***/
2823 
2824 /* lmw */
2825 static void gen_lmw(DisasContext *ctx)
2826 {
2827     TCGv t0;
2828     TCGv_i32 t1;
2829 
2830     if (ctx->le_mode) {
2831         gen_align_no_le(ctx);
2832         return;
2833     }
2834     gen_set_access_type(ctx, ACCESS_INT);
2835     t0 = tcg_temp_new();
2836     t1 = tcg_const_i32(rD(ctx->opcode));
2837     gen_addr_imm_index(ctx, t0, 0);
2838     gen_helper_lmw(cpu_env, t0, t1);
2839     tcg_temp_free(t0);
2840     tcg_temp_free_i32(t1);
2841 }
2842 
2843 /* stmw */
2844 static void gen_stmw(DisasContext *ctx)
2845 {
2846     TCGv t0;
2847     TCGv_i32 t1;
2848 
2849     if (ctx->le_mode) {
2850         gen_align_no_le(ctx);
2851         return;
2852     }
2853     gen_set_access_type(ctx, ACCESS_INT);
2854     t0 = tcg_temp_new();
2855     t1 = tcg_const_i32(rS(ctx->opcode));
2856     gen_addr_imm_index(ctx, t0, 0);
2857     gen_helper_stmw(cpu_env, t0, t1);
2858     tcg_temp_free(t0);
2859     tcg_temp_free_i32(t1);
2860 }
2861 
2862 /***                    Integer load and store strings                     ***/
2863 
2864 /* lswi */
2865 /* PowerPC32 specification says we must generate an exception if
2866  * rA is in the range of registers to be loaded.
2867  * In an other hand, IBM says this is valid, but rA won't be loaded.
2868  * For now, I'll follow the spec...
2869  */
2870 static void gen_lswi(DisasContext *ctx)
2871 {
2872     TCGv t0;
2873     TCGv_i32 t1, t2;
2874     int nb = NB(ctx->opcode);
2875     int start = rD(ctx->opcode);
2876     int ra = rA(ctx->opcode);
2877     int nr;
2878 
2879     if (ctx->le_mode) {
2880         gen_align_no_le(ctx);
2881         return;
2882     }
2883     if (nb == 0)
2884         nb = 32;
2885     nr = (nb + 3) / 4;
2886     if (unlikely(lsw_reg_in_range(start, nr, ra))) {
2887         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_LSWX);
2888         return;
2889     }
2890     gen_set_access_type(ctx, ACCESS_INT);
2891     t0 = tcg_temp_new();
2892     gen_addr_register(ctx, t0);
2893     t1 = tcg_const_i32(nb);
2894     t2 = tcg_const_i32(start);
2895     gen_helper_lsw(cpu_env, t0, t1, t2);
2896     tcg_temp_free(t0);
2897     tcg_temp_free_i32(t1);
2898     tcg_temp_free_i32(t2);
2899 }
2900 
2901 /* lswx */
2902 static void gen_lswx(DisasContext *ctx)
2903 {
2904     TCGv t0;
2905     TCGv_i32 t1, t2, t3;
2906 
2907     if (ctx->le_mode) {
2908         gen_align_no_le(ctx);
2909         return;
2910     }
2911     gen_set_access_type(ctx, ACCESS_INT);
2912     t0 = tcg_temp_new();
2913     gen_addr_reg_index(ctx, t0);
2914     t1 = tcg_const_i32(rD(ctx->opcode));
2915     t2 = tcg_const_i32(rA(ctx->opcode));
2916     t3 = tcg_const_i32(rB(ctx->opcode));
2917     gen_helper_lswx(cpu_env, t0, t1, t2, t3);
2918     tcg_temp_free(t0);
2919     tcg_temp_free_i32(t1);
2920     tcg_temp_free_i32(t2);
2921     tcg_temp_free_i32(t3);
2922 }
2923 
2924 /* stswi */
2925 static void gen_stswi(DisasContext *ctx)
2926 {
2927     TCGv t0;
2928     TCGv_i32 t1, t2;
2929     int nb = NB(ctx->opcode);
2930 
2931     if (ctx->le_mode) {
2932         gen_align_no_le(ctx);
2933         return;
2934     }
2935     gen_set_access_type(ctx, ACCESS_INT);
2936     t0 = tcg_temp_new();
2937     gen_addr_register(ctx, t0);
2938     if (nb == 0)
2939         nb = 32;
2940     t1 = tcg_const_i32(nb);
2941     t2 = tcg_const_i32(rS(ctx->opcode));
2942     gen_helper_stsw(cpu_env, t0, t1, t2);
2943     tcg_temp_free(t0);
2944     tcg_temp_free_i32(t1);
2945     tcg_temp_free_i32(t2);
2946 }
2947 
2948 /* stswx */
2949 static void gen_stswx(DisasContext *ctx)
2950 {
2951     TCGv t0;
2952     TCGv_i32 t1, t2;
2953 
2954     if (ctx->le_mode) {
2955         gen_align_no_le(ctx);
2956         return;
2957     }
2958     gen_set_access_type(ctx, ACCESS_INT);
2959     t0 = tcg_temp_new();
2960     gen_addr_reg_index(ctx, t0);
2961     t1 = tcg_temp_new_i32();
2962     tcg_gen_trunc_tl_i32(t1, cpu_xer);
2963     tcg_gen_andi_i32(t1, t1, 0x7F);
2964     t2 = tcg_const_i32(rS(ctx->opcode));
2965     gen_helper_stsw(cpu_env, t0, t1, t2);
2966     tcg_temp_free(t0);
2967     tcg_temp_free_i32(t1);
2968     tcg_temp_free_i32(t2);
2969 }
2970 
2971 /***                        Memory synchronisation                         ***/
2972 /* eieio */
2973 static void gen_eieio(DisasContext *ctx)
2974 {
2975     tcg_gen_mb(TCG_MO_LD_ST | TCG_BAR_SC);
2976 }
2977 
2978 #if !defined(CONFIG_USER_ONLY)
2979 static inline void gen_check_tlb_flush(DisasContext *ctx, bool global)
2980 {
2981     TCGv_i32 t;
2982     TCGLabel *l;
2983 
2984     if (!ctx->lazy_tlb_flush) {
2985         return;
2986     }
2987     l = gen_new_label();
2988     t = tcg_temp_new_i32();
2989     tcg_gen_ld_i32(t, cpu_env, offsetof(CPUPPCState, tlb_need_flush));
2990     tcg_gen_brcondi_i32(TCG_COND_EQ, t, 0, l);
2991     if (global) {
2992         gen_helper_check_tlb_flush_global(cpu_env);
2993     } else {
2994         gen_helper_check_tlb_flush_local(cpu_env);
2995     }
2996     gen_set_label(l);
2997     tcg_temp_free_i32(t);
2998 }
2999 #else
3000 static inline void gen_check_tlb_flush(DisasContext *ctx, bool global) { }
3001 #endif
3002 
3003 /* isync */
3004 static void gen_isync(DisasContext *ctx)
3005 {
3006     /*
3007      * We need to check for a pending TLB flush. This can only happen in
3008      * kernel mode however so check MSR_PR
3009      */
3010     if (!ctx->pr) {
3011         gen_check_tlb_flush(ctx, false);
3012     }
3013     tcg_gen_mb(TCG_MO_ALL | TCG_BAR_SC);
3014     gen_stop_exception(ctx);
3015 }
3016 
3017 #define MEMOP_GET_SIZE(x)  (1 << ((x) & MO_SIZE))
3018 
3019 #define LARX(name, memop)                                            \
3020 static void gen_##name(DisasContext *ctx)                            \
3021 {                                                                    \
3022     TCGv t0;                                                         \
3023     TCGv gpr = cpu_gpr[rD(ctx->opcode)];                             \
3024     int len = MEMOP_GET_SIZE(memop);                                 \
3025     gen_set_access_type(ctx, ACCESS_RES);                            \
3026     t0 = tcg_temp_local_new();                                       \
3027     gen_addr_reg_index(ctx, t0);                                     \
3028     if ((len) > 1) {                                                 \
3029         gen_check_align(ctx, t0, (len)-1);                           \
3030     }                                                                \
3031     tcg_gen_qemu_ld_tl(gpr, t0, ctx->mem_idx, memop);                \
3032     tcg_gen_mov_tl(cpu_reserve, t0);                                 \
3033     tcg_gen_mov_tl(cpu_reserve_val, gpr);                            \
3034     tcg_gen_mb(TCG_MO_ALL | TCG_BAR_LDAQ);                           \
3035     tcg_temp_free(t0);                                               \
3036 }
3037 
3038 /* lwarx */
3039 LARX(lbarx, DEF_MEMOP(MO_UB))
3040 LARX(lharx, DEF_MEMOP(MO_UW))
3041 LARX(lwarx, DEF_MEMOP(MO_UL))
3042 
3043 #define LD_ATOMIC(name, memop, tp, op, eop)                             \
3044 static void gen_##name(DisasContext *ctx)                               \
3045 {                                                                       \
3046     int len = MEMOP_GET_SIZE(memop);                                    \
3047     uint32_t gpr_FC = FC(ctx->opcode);                                  \
3048     TCGv EA = tcg_temp_local_new();                                     \
3049     TCGv_##tp t0, t1;                                                   \
3050                                                                         \
3051     gen_addr_register(ctx, EA);                                         \
3052     if (len > 1) {                                                      \
3053         gen_check_align(ctx, EA, len - 1);                              \
3054     }                                                                   \
3055     t0 = tcg_temp_new_##tp();                                           \
3056     t1 = tcg_temp_new_##tp();                                           \
3057     tcg_gen_##op(t0, cpu_gpr[rD(ctx->opcode) + 1]);                     \
3058                                                                         \
3059     switch (gpr_FC) {                                                   \
3060     case 0: /* Fetch and add */                                         \
3061         tcg_gen_atomic_fetch_add_##tp(t1, EA, t0, ctx->mem_idx, memop); \
3062         break;                                                          \
3063     case 1: /* Fetch and xor */                                         \
3064         tcg_gen_atomic_fetch_xor_##tp(t1, EA, t0, ctx->mem_idx, memop); \
3065         break;                                                          \
3066     case 2: /* Fetch and or */                                          \
3067         tcg_gen_atomic_fetch_or_##tp(t1, EA, t0, ctx->mem_idx, memop);  \
3068         break;                                                          \
3069     case 3: /* Fetch and 'and' */                                       \
3070         tcg_gen_atomic_fetch_and_##tp(t1, EA, t0, ctx->mem_idx, memop); \
3071         break;                                                          \
3072     case 8: /* Swap */                                                  \
3073         tcg_gen_atomic_xchg_##tp(t1, EA, t0, ctx->mem_idx, memop);      \
3074         break;                                                          \
3075     case 4:  /* Fetch and max unsigned */                               \
3076     case 5:  /* Fetch and max signed */                                 \
3077     case 6:  /* Fetch and min unsigned */                               \
3078     case 7:  /* Fetch and min signed */                                 \
3079     case 16: /* compare and swap not equal */                           \
3080     case 24: /* Fetch and increment bounded */                          \
3081     case 25: /* Fetch and increment equal */                            \
3082     case 28: /* Fetch and decrement bounded */                          \
3083         gen_invalid(ctx);                                               \
3084         break;                                                          \
3085     default:                                                            \
3086         /* invoke data storage error handler */                         \
3087         gen_exception_err(ctx, POWERPC_EXCP_DSI, POWERPC_EXCP_INVAL);   \
3088     }                                                                   \
3089     tcg_gen_##eop(cpu_gpr[rD(ctx->opcode)], t1);                        \
3090     tcg_temp_free_##tp(t0);                                             \
3091     tcg_temp_free_##tp(t1);                                             \
3092     tcg_temp_free(EA);                                                  \
3093 }
3094 
3095 LD_ATOMIC(lwat, DEF_MEMOP(MO_UL), i32, trunc_tl_i32, extu_i32_tl)
3096 #if defined(TARGET_PPC64)
3097 LD_ATOMIC(ldat, DEF_MEMOP(MO_Q), i64, mov_i64, mov_i64)
3098 #endif
3099 
3100 #define ST_ATOMIC(name, memop, tp, op)                                  \
3101 static void gen_##name(DisasContext *ctx)                               \
3102 {                                                                       \
3103     int len = MEMOP_GET_SIZE(memop);                                    \
3104     uint32_t gpr_FC = FC(ctx->opcode);                                  \
3105     TCGv EA = tcg_temp_local_new();                                     \
3106     TCGv_##tp t0, t1;                                                   \
3107                                                                         \
3108     gen_addr_register(ctx, EA);                                         \
3109     if (len > 1) {                                                      \
3110         gen_check_align(ctx, EA, len - 1);                              \
3111     }                                                                   \
3112     t0 = tcg_temp_new_##tp();                                           \
3113     t1 = tcg_temp_new_##tp();                                           \
3114     tcg_gen_##op(t0, cpu_gpr[rD(ctx->opcode) + 1]);                     \
3115                                                                         \
3116     switch (gpr_FC) {                                                   \
3117     case 0: /* add and Store */                                         \
3118         tcg_gen_atomic_add_fetch_##tp(t1, EA, t0, ctx->mem_idx, memop); \
3119         break;                                                          \
3120     case 1: /* xor and Store */                                         \
3121         tcg_gen_atomic_xor_fetch_##tp(t1, EA, t0, ctx->mem_idx, memop); \
3122         break;                                                          \
3123     case 2: /* Or and Store */                                          \
3124         tcg_gen_atomic_or_fetch_##tp(t1, EA, t0, ctx->mem_idx, memop);  \
3125         break;                                                          \
3126     case 3: /* 'and' and Store */                                       \
3127         tcg_gen_atomic_and_fetch_##tp(t1, EA, t0, ctx->mem_idx, memop); \
3128         break;                                                          \
3129     case 4:  /* Store max unsigned */                                   \
3130     case 5:  /* Store max signed */                                     \
3131     case 6:  /* Store min unsigned */                                   \
3132     case 7:  /* Store min signed */                                     \
3133     case 24: /* Store twin  */                                          \
3134         gen_invalid(ctx);                                               \
3135         break;                                                          \
3136     default:                                                            \
3137         /* invoke data storage error handler */                         \
3138         gen_exception_err(ctx, POWERPC_EXCP_DSI, POWERPC_EXCP_INVAL);   \
3139     }                                                                   \
3140     tcg_temp_free_##tp(t0);                                             \
3141     tcg_temp_free_##tp(t1);                                             \
3142     tcg_temp_free(EA);                                                  \
3143 }
3144 
3145 ST_ATOMIC(stwat, DEF_MEMOP(MO_UL), i32, trunc_tl_i32)
3146 #if defined(TARGET_PPC64)
3147 ST_ATOMIC(stdat, DEF_MEMOP(MO_Q), i64, mov_i64)
3148 #endif
3149 
3150 #if defined(CONFIG_USER_ONLY)
3151 static void gen_conditional_store(DisasContext *ctx, TCGv EA,
3152                                   int reg, int memop)
3153 {
3154     TCGv t0 = tcg_temp_new();
3155 
3156     tcg_gen_st_tl(EA, cpu_env, offsetof(CPUPPCState, reserve_ea));
3157     tcg_gen_movi_tl(t0, (MEMOP_GET_SIZE(memop) << 5) | reg);
3158     tcg_gen_st_tl(t0, cpu_env, offsetof(CPUPPCState, reserve_info));
3159     tcg_temp_free(t0);
3160     gen_exception_err(ctx, POWERPC_EXCP_STCX, 0);
3161 }
3162 #else
3163 static void gen_conditional_store(DisasContext *ctx, TCGv EA,
3164                                   int reg, int memop)
3165 {
3166     TCGLabel *l1 = gen_new_label();
3167     TCGLabel *l2 = gen_new_label();
3168     TCGv t0;
3169 
3170     tcg_gen_brcond_tl(TCG_COND_NE, EA, cpu_reserve, l1);
3171 
3172     t0 = tcg_temp_new();
3173     tcg_gen_atomic_cmpxchg_tl(t0, cpu_reserve, cpu_reserve_val,
3174                               cpu_gpr[reg], ctx->mem_idx,
3175                               DEF_MEMOP(memop) | MO_ALIGN);
3176     tcg_gen_setcond_tl(TCG_COND_EQ, t0, t0, cpu_reserve_val);
3177     tcg_gen_shli_tl(t0, t0, CRF_EQ_BIT);
3178     tcg_gen_or_tl(t0, t0, cpu_so);
3179     tcg_gen_trunc_tl_i32(cpu_crf[0], t0);
3180     tcg_temp_free(t0);
3181     tcg_gen_br(l2);
3182 
3183     gen_set_label(l1);
3184 
3185     /* Address mismatch implies failure.  But we still need to provide the
3186        memory barrier semantics of the instruction.  */
3187     tcg_gen_mb(TCG_MO_ALL | TCG_BAR_STRL);
3188     tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so);
3189 
3190     gen_set_label(l2);
3191     tcg_gen_movi_tl(cpu_reserve, -1);
3192 }
3193 #endif
3194 
3195 #define STCX(name, memop)                                   \
3196 static void gen_##name(DisasContext *ctx)                   \
3197 {                                                           \
3198     TCGv t0;                                                \
3199     int len = MEMOP_GET_SIZE(memop);                        \
3200     gen_set_access_type(ctx, ACCESS_RES);                   \
3201     t0 = tcg_temp_local_new();                              \
3202     gen_addr_reg_index(ctx, t0);                            \
3203     if (len > 1) {                                          \
3204         gen_check_align(ctx, t0, (len) - 1);                \
3205     }                                                       \
3206     gen_conditional_store(ctx, t0, rS(ctx->opcode), memop); \
3207     tcg_temp_free(t0);                                      \
3208 }
3209 
3210 STCX(stbcx_, DEF_MEMOP(MO_UB))
3211 STCX(sthcx_, DEF_MEMOP(MO_UW))
3212 STCX(stwcx_, DEF_MEMOP(MO_UL))
3213 
3214 #if defined(TARGET_PPC64)
3215 /* ldarx */
3216 LARX(ldarx, DEF_MEMOP(MO_Q))
3217 /* stdcx. */
3218 STCX(stdcx_, DEF_MEMOP(MO_Q))
3219 
3220 /* lqarx */
3221 static void gen_lqarx(DisasContext *ctx)
3222 {
3223     TCGv EA;
3224     int rd = rD(ctx->opcode);
3225     TCGv gpr1, gpr2;
3226 
3227     if (unlikely((rd & 1) || (rd == rA(ctx->opcode)) ||
3228                  (rd == rB(ctx->opcode)))) {
3229         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
3230         return;
3231     }
3232 
3233     gen_set_access_type(ctx, ACCESS_RES);
3234     EA = tcg_temp_local_new();
3235     gen_addr_reg_index(ctx, EA);
3236     gen_check_align(ctx, EA, 15);
3237     if (unlikely(ctx->le_mode)) {
3238         gpr1 = cpu_gpr[rd+1];
3239         gpr2 = cpu_gpr[rd];
3240     } else {
3241         gpr1 = cpu_gpr[rd];
3242         gpr2 = cpu_gpr[rd+1];
3243     }
3244     tcg_gen_qemu_ld_i64(gpr1, EA, ctx->mem_idx, DEF_MEMOP(MO_Q));
3245     tcg_gen_mov_tl(cpu_reserve, EA);
3246     gen_addr_add(ctx, EA, EA, 8);
3247     tcg_gen_qemu_ld_i64(gpr2, EA, ctx->mem_idx, DEF_MEMOP(MO_Q));
3248 
3249     tcg_gen_st_tl(gpr1, cpu_env, offsetof(CPUPPCState, reserve_val));
3250     tcg_gen_st_tl(gpr2, cpu_env, offsetof(CPUPPCState, reserve_val2));
3251     tcg_temp_free(EA);
3252 }
3253 
3254 /* stqcx. */
3255 static void gen_stqcx_(DisasContext *ctx)
3256 {
3257     TCGv EA;
3258     int reg = rS(ctx->opcode);
3259     int len = 16;
3260 #if !defined(CONFIG_USER_ONLY)
3261     TCGLabel *l1;
3262     TCGv gpr1, gpr2;
3263 #endif
3264 
3265     if (unlikely((rD(ctx->opcode) & 1))) {
3266         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
3267         return;
3268     }
3269     gen_set_access_type(ctx, ACCESS_RES);
3270     EA = tcg_temp_local_new();
3271     gen_addr_reg_index(ctx, EA);
3272     if (len > 1) {
3273         gen_check_align(ctx, EA, (len) - 1);
3274     }
3275 
3276 #if defined(CONFIG_USER_ONLY)
3277     gen_conditional_store(ctx, EA, reg, 16);
3278 #else
3279     tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so);
3280     l1 = gen_new_label();
3281     tcg_gen_brcond_tl(TCG_COND_NE, EA, cpu_reserve, l1);
3282     tcg_gen_ori_i32(cpu_crf[0], cpu_crf[0], CRF_EQ);
3283 
3284     if (unlikely(ctx->le_mode)) {
3285         gpr1 = cpu_gpr[reg + 1];
3286         gpr2 = cpu_gpr[reg];
3287     } else {
3288         gpr1 = cpu_gpr[reg];
3289         gpr2 = cpu_gpr[reg + 1];
3290     }
3291     tcg_gen_qemu_st_tl(gpr1, EA, ctx->mem_idx, DEF_MEMOP(MO_Q));
3292     gen_addr_add(ctx, EA, EA, 8);
3293     tcg_gen_qemu_st_tl(gpr2, EA, ctx->mem_idx, DEF_MEMOP(MO_Q));
3294 
3295     gen_set_label(l1);
3296     tcg_gen_movi_tl(cpu_reserve, -1);
3297 #endif
3298     tcg_temp_free(EA);
3299 }
3300 
3301 #endif /* defined(TARGET_PPC64) */
3302 
3303 /* sync */
3304 static void gen_sync(DisasContext *ctx)
3305 {
3306     uint32_t l = (ctx->opcode >> 21) & 3;
3307 
3308     /*
3309      * We may need to check for a pending TLB flush.
3310      *
3311      * We do this on ptesync (l == 2) on ppc64 and any sync pn ppc32.
3312      *
3313      * Additionally, this can only happen in kernel mode however so
3314      * check MSR_PR as well.
3315      */
3316     if (((l == 2) || !(ctx->insns_flags & PPC_64B)) && !ctx->pr) {
3317         gen_check_tlb_flush(ctx, true);
3318     }
3319     tcg_gen_mb(TCG_MO_ALL | TCG_BAR_SC);
3320 }
3321 
3322 /* wait */
3323 static void gen_wait(DisasContext *ctx)
3324 {
3325     TCGv_i32 t0 = tcg_const_i32(1);
3326     tcg_gen_st_i32(t0, cpu_env,
3327                    -offsetof(PowerPCCPU, env) + offsetof(CPUState, halted));
3328     tcg_temp_free_i32(t0);
3329     /* Stop translation, as the CPU is supposed to sleep from now */
3330     gen_exception_nip(ctx, EXCP_HLT, ctx->nip);
3331 }
3332 
3333 #if defined(TARGET_PPC64)
3334 static void gen_doze(DisasContext *ctx)
3335 {
3336 #if defined(CONFIG_USER_ONLY)
3337     GEN_PRIV;
3338 #else
3339     TCGv_i32 t;
3340 
3341     CHK_HV;
3342     t = tcg_const_i32(PPC_PM_DOZE);
3343     gen_helper_pminsn(cpu_env, t);
3344     tcg_temp_free_i32(t);
3345     gen_stop_exception(ctx);
3346 #endif /* defined(CONFIG_USER_ONLY) */
3347 }
3348 
3349 static void gen_nap(DisasContext *ctx)
3350 {
3351 #if defined(CONFIG_USER_ONLY)
3352     GEN_PRIV;
3353 #else
3354     TCGv_i32 t;
3355 
3356     CHK_HV;
3357     t = tcg_const_i32(PPC_PM_NAP);
3358     gen_helper_pminsn(cpu_env, t);
3359     tcg_temp_free_i32(t);
3360     gen_stop_exception(ctx);
3361 #endif /* defined(CONFIG_USER_ONLY) */
3362 }
3363 
3364 static void gen_stop(DisasContext *ctx)
3365 {
3366     gen_nap(ctx);
3367 }
3368 
3369 static void gen_sleep(DisasContext *ctx)
3370 {
3371 #if defined(CONFIG_USER_ONLY)
3372     GEN_PRIV;
3373 #else
3374     TCGv_i32 t;
3375 
3376     CHK_HV;
3377     t = tcg_const_i32(PPC_PM_SLEEP);
3378     gen_helper_pminsn(cpu_env, t);
3379     tcg_temp_free_i32(t);
3380     gen_stop_exception(ctx);
3381 #endif /* defined(CONFIG_USER_ONLY) */
3382 }
3383 
3384 static void gen_rvwinkle(DisasContext *ctx)
3385 {
3386 #if defined(CONFIG_USER_ONLY)
3387     GEN_PRIV;
3388 #else
3389     TCGv_i32 t;
3390 
3391     CHK_HV;
3392     t = tcg_const_i32(PPC_PM_RVWINKLE);
3393     gen_helper_pminsn(cpu_env, t);
3394     tcg_temp_free_i32(t);
3395     gen_stop_exception(ctx);
3396 #endif /* defined(CONFIG_USER_ONLY) */
3397 }
3398 #endif /* #if defined(TARGET_PPC64) */
3399 
3400 static inline void gen_update_cfar(DisasContext *ctx, target_ulong nip)
3401 {
3402 #if defined(TARGET_PPC64)
3403     if (ctx->has_cfar)
3404         tcg_gen_movi_tl(cpu_cfar, nip);
3405 #endif
3406 }
3407 
3408 static inline bool use_goto_tb(DisasContext *ctx, target_ulong dest)
3409 {
3410     if (unlikely(ctx->singlestep_enabled)) {
3411         return false;
3412     }
3413 
3414 #ifndef CONFIG_USER_ONLY
3415     return (ctx->tb->pc & TARGET_PAGE_MASK) == (dest & TARGET_PAGE_MASK);
3416 #else
3417     return true;
3418 #endif
3419 }
3420 
3421 /***                                Branch                                 ***/
3422 static inline void gen_goto_tb(DisasContext *ctx, int n, target_ulong dest)
3423 {
3424     if (NARROW_MODE(ctx)) {
3425         dest = (uint32_t) dest;
3426     }
3427     if (use_goto_tb(ctx, dest)) {
3428         tcg_gen_goto_tb(n);
3429         tcg_gen_movi_tl(cpu_nip, dest & ~3);
3430         tcg_gen_exit_tb((uintptr_t)ctx->tb + n);
3431     } else {
3432         tcg_gen_movi_tl(cpu_nip, dest & ~3);
3433         if (unlikely(ctx->singlestep_enabled)) {
3434             if ((ctx->singlestep_enabled &
3435                 (CPU_BRANCH_STEP | CPU_SINGLE_STEP)) &&
3436                 (ctx->exception == POWERPC_EXCP_BRANCH ||
3437                  ctx->exception == POWERPC_EXCP_TRACE)) {
3438                 gen_exception_nip(ctx, POWERPC_EXCP_TRACE, dest);
3439             }
3440             if (ctx->singlestep_enabled & GDBSTUB_SINGLE_STEP) {
3441                 gen_debug_exception(ctx);
3442             }
3443         }
3444         tcg_gen_exit_tb(0);
3445     }
3446 }
3447 
3448 static inline void gen_setlr(DisasContext *ctx, target_ulong nip)
3449 {
3450     if (NARROW_MODE(ctx)) {
3451         nip = (uint32_t)nip;
3452     }
3453     tcg_gen_movi_tl(cpu_lr, nip);
3454 }
3455 
3456 /* b ba bl bla */
3457 static void gen_b(DisasContext *ctx)
3458 {
3459     target_ulong li, target;
3460 
3461     ctx->exception = POWERPC_EXCP_BRANCH;
3462     /* sign extend LI */
3463     li = LI(ctx->opcode);
3464     li = (li ^ 0x02000000) - 0x02000000;
3465     if (likely(AA(ctx->opcode) == 0)) {
3466         target = ctx->nip + li - 4;
3467     } else {
3468         target = li;
3469     }
3470     if (LK(ctx->opcode)) {
3471         gen_setlr(ctx, ctx->nip);
3472     }
3473     gen_update_cfar(ctx, ctx->nip - 4);
3474     gen_goto_tb(ctx, 0, target);
3475 }
3476 
3477 #define BCOND_IM  0
3478 #define BCOND_LR  1
3479 #define BCOND_CTR 2
3480 #define BCOND_TAR 3
3481 
3482 static inline void gen_bcond(DisasContext *ctx, int type)
3483 {
3484     uint32_t bo = BO(ctx->opcode);
3485     TCGLabel *l1;
3486     TCGv target;
3487 
3488     ctx->exception = POWERPC_EXCP_BRANCH;
3489     if (type == BCOND_LR || type == BCOND_CTR || type == BCOND_TAR) {
3490         target = tcg_temp_local_new();
3491         if (type == BCOND_CTR)
3492             tcg_gen_mov_tl(target, cpu_ctr);
3493         else if (type == BCOND_TAR)
3494             gen_load_spr(target, SPR_TAR);
3495         else
3496             tcg_gen_mov_tl(target, cpu_lr);
3497     } else {
3498         TCGV_UNUSED(target);
3499     }
3500     if (LK(ctx->opcode))
3501         gen_setlr(ctx, ctx->nip);
3502     l1 = gen_new_label();
3503     if ((bo & 0x4) == 0) {
3504         /* Decrement and test CTR */
3505         TCGv temp = tcg_temp_new();
3506         if (unlikely(type == BCOND_CTR)) {
3507             gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
3508             return;
3509         }
3510         tcg_gen_subi_tl(cpu_ctr, cpu_ctr, 1);
3511         if (NARROW_MODE(ctx)) {
3512             tcg_gen_ext32u_tl(temp, cpu_ctr);
3513         } else {
3514             tcg_gen_mov_tl(temp, cpu_ctr);
3515         }
3516         if (bo & 0x2) {
3517             tcg_gen_brcondi_tl(TCG_COND_NE, temp, 0, l1);
3518         } else {
3519             tcg_gen_brcondi_tl(TCG_COND_EQ, temp, 0, l1);
3520         }
3521         tcg_temp_free(temp);
3522     }
3523     if ((bo & 0x10) == 0) {
3524         /* Test CR */
3525         uint32_t bi = BI(ctx->opcode);
3526         uint32_t mask = 0x08 >> (bi & 0x03);
3527         TCGv_i32 temp = tcg_temp_new_i32();
3528 
3529         if (bo & 0x8) {
3530             tcg_gen_andi_i32(temp, cpu_crf[bi >> 2], mask);
3531             tcg_gen_brcondi_i32(TCG_COND_EQ, temp, 0, l1);
3532         } else {
3533             tcg_gen_andi_i32(temp, cpu_crf[bi >> 2], mask);
3534             tcg_gen_brcondi_i32(TCG_COND_NE, temp, 0, l1);
3535         }
3536         tcg_temp_free_i32(temp);
3537     }
3538     gen_update_cfar(ctx, ctx->nip - 4);
3539     if (type == BCOND_IM) {
3540         target_ulong li = (target_long)((int16_t)(BD(ctx->opcode)));
3541         if (likely(AA(ctx->opcode) == 0)) {
3542             gen_goto_tb(ctx, 0, ctx->nip + li - 4);
3543         } else {
3544             gen_goto_tb(ctx, 0, li);
3545         }
3546         if ((bo & 0x14) != 0x14) {
3547             gen_set_label(l1);
3548             gen_goto_tb(ctx, 1, ctx->nip);
3549         }
3550     } else {
3551         if (NARROW_MODE(ctx)) {
3552             tcg_gen_andi_tl(cpu_nip, target, (uint32_t)~3);
3553         } else {
3554             tcg_gen_andi_tl(cpu_nip, target, ~3);
3555         }
3556         tcg_gen_exit_tb(0);
3557         if ((bo & 0x14) != 0x14) {
3558             gen_set_label(l1);
3559             gen_update_nip(ctx, ctx->nip);
3560             tcg_gen_exit_tb(0);
3561         }
3562     }
3563     if (type == BCOND_LR || type == BCOND_CTR || type == BCOND_TAR) {
3564         tcg_temp_free(target);
3565     }
3566 }
3567 
3568 static void gen_bc(DisasContext *ctx)
3569 {
3570     gen_bcond(ctx, BCOND_IM);
3571 }
3572 
3573 static void gen_bcctr(DisasContext *ctx)
3574 {
3575     gen_bcond(ctx, BCOND_CTR);
3576 }
3577 
3578 static void gen_bclr(DisasContext *ctx)
3579 {
3580     gen_bcond(ctx, BCOND_LR);
3581 }
3582 
3583 static void gen_bctar(DisasContext *ctx)
3584 {
3585     gen_bcond(ctx, BCOND_TAR);
3586 }
3587 
3588 /***                      Condition register logical                       ***/
3589 #define GEN_CRLOGIC(name, tcg_op, opc)                                        \
3590 static void glue(gen_, name)(DisasContext *ctx)                                       \
3591 {                                                                             \
3592     uint8_t bitmask;                                                          \
3593     int sh;                                                                   \
3594     TCGv_i32 t0, t1;                                                          \
3595     sh = (crbD(ctx->opcode) & 0x03) - (crbA(ctx->opcode) & 0x03);             \
3596     t0 = tcg_temp_new_i32();                                                  \
3597     if (sh > 0)                                                               \
3598         tcg_gen_shri_i32(t0, cpu_crf[crbA(ctx->opcode) >> 2], sh);            \
3599     else if (sh < 0)                                                          \
3600         tcg_gen_shli_i32(t0, cpu_crf[crbA(ctx->opcode) >> 2], -sh);           \
3601     else                                                                      \
3602         tcg_gen_mov_i32(t0, cpu_crf[crbA(ctx->opcode) >> 2]);                 \
3603     t1 = tcg_temp_new_i32();                                                  \
3604     sh = (crbD(ctx->opcode) & 0x03) - (crbB(ctx->opcode) & 0x03);             \
3605     if (sh > 0)                                                               \
3606         tcg_gen_shri_i32(t1, cpu_crf[crbB(ctx->opcode) >> 2], sh);            \
3607     else if (sh < 0)                                                          \
3608         tcg_gen_shli_i32(t1, cpu_crf[crbB(ctx->opcode) >> 2], -sh);           \
3609     else                                                                      \
3610         tcg_gen_mov_i32(t1, cpu_crf[crbB(ctx->opcode) >> 2]);                 \
3611     tcg_op(t0, t0, t1);                                                       \
3612     bitmask = 0x08 >> (crbD(ctx->opcode) & 0x03);                             \
3613     tcg_gen_andi_i32(t0, t0, bitmask);                                        \
3614     tcg_gen_andi_i32(t1, cpu_crf[crbD(ctx->opcode) >> 2], ~bitmask);          \
3615     tcg_gen_or_i32(cpu_crf[crbD(ctx->opcode) >> 2], t0, t1);                  \
3616     tcg_temp_free_i32(t0);                                                    \
3617     tcg_temp_free_i32(t1);                                                    \
3618 }
3619 
3620 /* crand */
3621 GEN_CRLOGIC(crand, tcg_gen_and_i32, 0x08);
3622 /* crandc */
3623 GEN_CRLOGIC(crandc, tcg_gen_andc_i32, 0x04);
3624 /* creqv */
3625 GEN_CRLOGIC(creqv, tcg_gen_eqv_i32, 0x09);
3626 /* crnand */
3627 GEN_CRLOGIC(crnand, tcg_gen_nand_i32, 0x07);
3628 /* crnor */
3629 GEN_CRLOGIC(crnor, tcg_gen_nor_i32, 0x01);
3630 /* cror */
3631 GEN_CRLOGIC(cror, tcg_gen_or_i32, 0x0E);
3632 /* crorc */
3633 GEN_CRLOGIC(crorc, tcg_gen_orc_i32, 0x0D);
3634 /* crxor */
3635 GEN_CRLOGIC(crxor, tcg_gen_xor_i32, 0x06);
3636 
3637 /* mcrf */
3638 static void gen_mcrf(DisasContext *ctx)
3639 {
3640     tcg_gen_mov_i32(cpu_crf[crfD(ctx->opcode)], cpu_crf[crfS(ctx->opcode)]);
3641 }
3642 
3643 /***                           System linkage                              ***/
3644 
3645 /* rfi (supervisor only) */
3646 static void gen_rfi(DisasContext *ctx)
3647 {
3648 #if defined(CONFIG_USER_ONLY)
3649     GEN_PRIV;
3650 #else
3651     /* This instruction doesn't exist anymore on 64-bit server
3652      * processors compliant with arch 2.x
3653      */
3654     if (ctx->insns_flags & PPC_SEGMENT_64B) {
3655         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
3656         return;
3657     }
3658     /* Restore CPU state */
3659     CHK_SV;
3660     gen_update_cfar(ctx, ctx->nip - 4);
3661     gen_helper_rfi(cpu_env);
3662     gen_sync_exception(ctx);
3663 #endif
3664 }
3665 
3666 #if defined(TARGET_PPC64)
3667 static void gen_rfid(DisasContext *ctx)
3668 {
3669 #if defined(CONFIG_USER_ONLY)
3670     GEN_PRIV;
3671 #else
3672     /* Restore CPU state */
3673     CHK_SV;
3674     gen_update_cfar(ctx, ctx->nip - 4);
3675     gen_helper_rfid(cpu_env);
3676     gen_sync_exception(ctx);
3677 #endif
3678 }
3679 
3680 static void gen_hrfid(DisasContext *ctx)
3681 {
3682 #if defined(CONFIG_USER_ONLY)
3683     GEN_PRIV;
3684 #else
3685     /* Restore CPU state */
3686     CHK_HV;
3687     gen_helper_hrfid(cpu_env);
3688     gen_sync_exception(ctx);
3689 #endif
3690 }
3691 #endif
3692 
3693 /* sc */
3694 #if defined(CONFIG_USER_ONLY)
3695 #define POWERPC_SYSCALL POWERPC_EXCP_SYSCALL_USER
3696 #else
3697 #define POWERPC_SYSCALL POWERPC_EXCP_SYSCALL
3698 #endif
3699 static void gen_sc(DisasContext *ctx)
3700 {
3701     uint32_t lev;
3702 
3703     lev = (ctx->opcode >> 5) & 0x7F;
3704     gen_exception_err(ctx, POWERPC_SYSCALL, lev);
3705 }
3706 
3707 /***                                Trap                                   ***/
3708 
3709 /* Check for unconditional traps (always or never) */
3710 static bool check_unconditional_trap(DisasContext *ctx)
3711 {
3712     /* Trap never */
3713     if (TO(ctx->opcode) == 0) {
3714         return true;
3715     }
3716     /* Trap always */
3717     if (TO(ctx->opcode) == 31) {
3718         gen_exception_err(ctx, POWERPC_EXCP_PROGRAM, POWERPC_EXCP_TRAP);
3719         return true;
3720     }
3721     return false;
3722 }
3723 
3724 /* tw */
3725 static void gen_tw(DisasContext *ctx)
3726 {
3727     TCGv_i32 t0;
3728 
3729     if (check_unconditional_trap(ctx)) {
3730         return;
3731     }
3732     t0 = tcg_const_i32(TO(ctx->opcode));
3733     gen_helper_tw(cpu_env, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],
3734                   t0);
3735     tcg_temp_free_i32(t0);
3736 }
3737 
3738 /* twi */
3739 static void gen_twi(DisasContext *ctx)
3740 {
3741     TCGv t0;
3742     TCGv_i32 t1;
3743 
3744     if (check_unconditional_trap(ctx)) {
3745         return;
3746     }
3747     t0 = tcg_const_tl(SIMM(ctx->opcode));
3748     t1 = tcg_const_i32(TO(ctx->opcode));
3749     gen_helper_tw(cpu_env, cpu_gpr[rA(ctx->opcode)], t0, t1);
3750     tcg_temp_free(t0);
3751     tcg_temp_free_i32(t1);
3752 }
3753 
3754 #if defined(TARGET_PPC64)
3755 /* td */
3756 static void gen_td(DisasContext *ctx)
3757 {
3758     TCGv_i32 t0;
3759 
3760     if (check_unconditional_trap(ctx)) {
3761         return;
3762     }
3763     t0 = tcg_const_i32(TO(ctx->opcode));
3764     gen_helper_td(cpu_env, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],
3765                   t0);
3766     tcg_temp_free_i32(t0);
3767 }
3768 
3769 /* tdi */
3770 static void gen_tdi(DisasContext *ctx)
3771 {
3772     TCGv t0;
3773     TCGv_i32 t1;
3774 
3775     if (check_unconditional_trap(ctx)) {
3776         return;
3777     }
3778     t0 = tcg_const_tl(SIMM(ctx->opcode));
3779     t1 = tcg_const_i32(TO(ctx->opcode));
3780     gen_helper_td(cpu_env, cpu_gpr[rA(ctx->opcode)], t0, t1);
3781     tcg_temp_free(t0);
3782     tcg_temp_free_i32(t1);
3783 }
3784 #endif
3785 
3786 /***                          Processor control                            ***/
3787 
3788 static void gen_read_xer(DisasContext *ctx, TCGv dst)
3789 {
3790     TCGv t0 = tcg_temp_new();
3791     TCGv t1 = tcg_temp_new();
3792     TCGv t2 = tcg_temp_new();
3793     tcg_gen_mov_tl(dst, cpu_xer);
3794     tcg_gen_shli_tl(t0, cpu_so, XER_SO);
3795     tcg_gen_shli_tl(t1, cpu_ov, XER_OV);
3796     tcg_gen_shli_tl(t2, cpu_ca, XER_CA);
3797     tcg_gen_or_tl(t0, t0, t1);
3798     tcg_gen_or_tl(dst, dst, t2);
3799     tcg_gen_or_tl(dst, dst, t0);
3800     if (is_isa300(ctx)) {
3801         tcg_gen_shli_tl(t0, cpu_ov32, XER_OV32);
3802         tcg_gen_or_tl(dst, dst, t0);
3803         tcg_gen_shli_tl(t0, cpu_ca32, XER_CA32);
3804         tcg_gen_or_tl(dst, dst, t0);
3805     }
3806     tcg_temp_free(t0);
3807     tcg_temp_free(t1);
3808     tcg_temp_free(t2);
3809 }
3810 
3811 static void gen_write_xer(TCGv src)
3812 {
3813     /* Write all flags, while reading back check for isa300 */
3814     tcg_gen_andi_tl(cpu_xer, src,
3815                     ~((1u << XER_SO) |
3816                       (1u << XER_OV) | (1u << XER_OV32) |
3817                       (1u << XER_CA) | (1u << XER_CA32)));
3818     tcg_gen_extract_tl(cpu_ov32, src, XER_OV32, 1);
3819     tcg_gen_extract_tl(cpu_ca32, src, XER_CA32, 1);
3820     tcg_gen_extract_tl(cpu_so, src, XER_SO, 1);
3821     tcg_gen_extract_tl(cpu_ov, src, XER_OV, 1);
3822     tcg_gen_extract_tl(cpu_ca, src, XER_CA, 1);
3823 }
3824 
3825 /* mcrxr */
3826 static void gen_mcrxr(DisasContext *ctx)
3827 {
3828     TCGv_i32 t0 = tcg_temp_new_i32();
3829     TCGv_i32 t1 = tcg_temp_new_i32();
3830     TCGv_i32 dst = cpu_crf[crfD(ctx->opcode)];
3831 
3832     tcg_gen_trunc_tl_i32(t0, cpu_so);
3833     tcg_gen_trunc_tl_i32(t1, cpu_ov);
3834     tcg_gen_trunc_tl_i32(dst, cpu_ca);
3835     tcg_gen_shli_i32(t0, t0, 3);
3836     tcg_gen_shli_i32(t1, t1, 2);
3837     tcg_gen_shli_i32(dst, dst, 1);
3838     tcg_gen_or_i32(dst, dst, t0);
3839     tcg_gen_or_i32(dst, dst, t1);
3840     tcg_temp_free_i32(t0);
3841     tcg_temp_free_i32(t1);
3842 
3843     tcg_gen_movi_tl(cpu_so, 0);
3844     tcg_gen_movi_tl(cpu_ov, 0);
3845     tcg_gen_movi_tl(cpu_ca, 0);
3846 }
3847 
3848 #ifdef TARGET_PPC64
3849 /* mcrxrx */
3850 static void gen_mcrxrx(DisasContext *ctx)
3851 {
3852     TCGv t0 = tcg_temp_new();
3853     TCGv t1 = tcg_temp_new();
3854     TCGv_i32 dst = cpu_crf[crfD(ctx->opcode)];
3855 
3856     /* copy OV and OV32 */
3857     tcg_gen_shli_tl(t0, cpu_ov, 1);
3858     tcg_gen_or_tl(t0, t0, cpu_ov32);
3859     tcg_gen_shli_tl(t0, t0, 2);
3860     /* copy CA and CA32 */
3861     tcg_gen_shli_tl(t1, cpu_ca, 1);
3862     tcg_gen_or_tl(t1, t1, cpu_ca32);
3863     tcg_gen_or_tl(t0, t0, t1);
3864     tcg_gen_trunc_tl_i32(dst, t0);
3865     tcg_temp_free(t0);
3866     tcg_temp_free(t1);
3867 }
3868 #endif
3869 
3870 /* mfcr mfocrf */
3871 static void gen_mfcr(DisasContext *ctx)
3872 {
3873     uint32_t crm, crn;
3874 
3875     if (likely(ctx->opcode & 0x00100000)) {
3876         crm = CRM(ctx->opcode);
3877         if (likely(crm && ((crm & (crm - 1)) == 0))) {
3878             crn = ctz32 (crm);
3879             tcg_gen_extu_i32_tl(cpu_gpr[rD(ctx->opcode)], cpu_crf[7 - crn]);
3880             tcg_gen_shli_tl(cpu_gpr[rD(ctx->opcode)],
3881                             cpu_gpr[rD(ctx->opcode)], crn * 4);
3882         }
3883     } else {
3884         TCGv_i32 t0 = tcg_temp_new_i32();
3885         tcg_gen_mov_i32(t0, cpu_crf[0]);
3886         tcg_gen_shli_i32(t0, t0, 4);
3887         tcg_gen_or_i32(t0, t0, cpu_crf[1]);
3888         tcg_gen_shli_i32(t0, t0, 4);
3889         tcg_gen_or_i32(t0, t0, cpu_crf[2]);
3890         tcg_gen_shli_i32(t0, t0, 4);
3891         tcg_gen_or_i32(t0, t0, cpu_crf[3]);
3892         tcg_gen_shli_i32(t0, t0, 4);
3893         tcg_gen_or_i32(t0, t0, cpu_crf[4]);
3894         tcg_gen_shli_i32(t0, t0, 4);
3895         tcg_gen_or_i32(t0, t0, cpu_crf[5]);
3896         tcg_gen_shli_i32(t0, t0, 4);
3897         tcg_gen_or_i32(t0, t0, cpu_crf[6]);
3898         tcg_gen_shli_i32(t0, t0, 4);
3899         tcg_gen_or_i32(t0, t0, cpu_crf[7]);
3900         tcg_gen_extu_i32_tl(cpu_gpr[rD(ctx->opcode)], t0);
3901         tcg_temp_free_i32(t0);
3902     }
3903 }
3904 
3905 /* mfmsr */
3906 static void gen_mfmsr(DisasContext *ctx)
3907 {
3908     CHK_SV;
3909     tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_msr);
3910 }
3911 
3912 static void spr_noaccess(DisasContext *ctx, int gprn, int sprn)
3913 {
3914 #if 0
3915     sprn = ((sprn >> 5) & 0x1F) | ((sprn & 0x1F) << 5);
3916     printf("ERROR: try to access SPR %d !\n", sprn);
3917 #endif
3918 }
3919 #define SPR_NOACCESS (&spr_noaccess)
3920 
3921 /* mfspr */
3922 static inline void gen_op_mfspr(DisasContext *ctx)
3923 {
3924     void (*read_cb)(DisasContext *ctx, int gprn, int sprn);
3925     uint32_t sprn = SPR(ctx->opcode);
3926 
3927 #if defined(CONFIG_USER_ONLY)
3928     read_cb = ctx->spr_cb[sprn].uea_read;
3929 #else
3930     if (ctx->pr) {
3931         read_cb = ctx->spr_cb[sprn].uea_read;
3932     } else if (ctx->hv) {
3933         read_cb = ctx->spr_cb[sprn].hea_read;
3934     } else {
3935         read_cb = ctx->spr_cb[sprn].oea_read;
3936     }
3937 #endif
3938     if (likely(read_cb != NULL)) {
3939         if (likely(read_cb != SPR_NOACCESS)) {
3940             (*read_cb)(ctx, rD(ctx->opcode), sprn);
3941         } else {
3942             /* Privilege exception */
3943             /* This is a hack to avoid warnings when running Linux:
3944              * this OS breaks the PowerPC virtualisation model,
3945              * allowing userland application to read the PVR
3946              */
3947             if (sprn != SPR_PVR) {
3948                 fprintf(stderr, "Trying to read privileged spr %d (0x%03x) at "
3949                         TARGET_FMT_lx "\n", sprn, sprn, ctx->nip - 4);
3950                 if (qemu_log_separate()) {
3951                     qemu_log("Trying to read privileged spr %d (0x%03x) at "
3952                              TARGET_FMT_lx "\n", sprn, sprn, ctx->nip - 4);
3953                 }
3954             }
3955             gen_priv_exception(ctx, POWERPC_EXCP_PRIV_REG);
3956         }
3957     } else {
3958         /* ISA 2.07 defines these as no-ops */
3959         if ((ctx->insns_flags2 & PPC2_ISA207S) &&
3960             (sprn >= 808 && sprn <= 811)) {
3961             /* This is a nop */
3962             return;
3963         }
3964         /* Not defined */
3965         fprintf(stderr, "Trying to read invalid spr %d (0x%03x) at "
3966                 TARGET_FMT_lx "\n", sprn, sprn, ctx->nip - 4);
3967         if (qemu_log_separate()) {
3968             qemu_log("Trying to read invalid spr %d (0x%03x) at "
3969                      TARGET_FMT_lx "\n", sprn, sprn, ctx->nip - 4);
3970         }
3971 
3972         /* The behaviour depends on MSR:PR and SPR# bit 0x10,
3973          * it can generate a priv, a hv emu or a no-op
3974          */
3975         if (sprn & 0x10) {
3976             if (ctx->pr) {
3977                 gen_priv_exception(ctx, POWERPC_EXCP_INVAL_SPR);
3978             }
3979         } else {
3980             if (ctx->pr || sprn == 0 || sprn == 4 || sprn == 5 || sprn == 6) {
3981                 gen_hvpriv_exception(ctx, POWERPC_EXCP_INVAL_SPR);
3982             }
3983         }
3984     }
3985 }
3986 
3987 static void gen_mfspr(DisasContext *ctx)
3988 {
3989     gen_op_mfspr(ctx);
3990 }
3991 
3992 /* mftb */
3993 static void gen_mftb(DisasContext *ctx)
3994 {
3995     gen_op_mfspr(ctx);
3996 }
3997 
3998 /* mtcrf mtocrf*/
3999 static void gen_mtcrf(DisasContext *ctx)
4000 {
4001     uint32_t crm, crn;
4002 
4003     crm = CRM(ctx->opcode);
4004     if (likely((ctx->opcode & 0x00100000))) {
4005         if (crm && ((crm & (crm - 1)) == 0)) {
4006             TCGv_i32 temp = tcg_temp_new_i32();
4007             crn = ctz32 (crm);
4008             tcg_gen_trunc_tl_i32(temp, cpu_gpr[rS(ctx->opcode)]);
4009             tcg_gen_shri_i32(temp, temp, crn * 4);
4010             tcg_gen_andi_i32(cpu_crf[7 - crn], temp, 0xf);
4011             tcg_temp_free_i32(temp);
4012         }
4013     } else {
4014         TCGv_i32 temp = tcg_temp_new_i32();
4015         tcg_gen_trunc_tl_i32(temp, cpu_gpr[rS(ctx->opcode)]);
4016         for (crn = 0 ; crn < 8 ; crn++) {
4017             if (crm & (1 << crn)) {
4018                     tcg_gen_shri_i32(cpu_crf[7 - crn], temp, crn * 4);
4019                     tcg_gen_andi_i32(cpu_crf[7 - crn], cpu_crf[7 - crn], 0xf);
4020             }
4021         }
4022         tcg_temp_free_i32(temp);
4023     }
4024 }
4025 
4026 /* mtmsr */
4027 #if defined(TARGET_PPC64)
4028 static void gen_mtmsrd(DisasContext *ctx)
4029 {
4030     CHK_SV;
4031 
4032 #if !defined(CONFIG_USER_ONLY)
4033     if (ctx->opcode & 0x00010000) {
4034         /* Special form that does not need any synchronisation */
4035         TCGv t0 = tcg_temp_new();
4036         tcg_gen_andi_tl(t0, cpu_gpr[rS(ctx->opcode)], (1 << MSR_RI) | (1 << MSR_EE));
4037         tcg_gen_andi_tl(cpu_msr, cpu_msr, ~(target_ulong)((1 << MSR_RI) | (1 << MSR_EE)));
4038         tcg_gen_or_tl(cpu_msr, cpu_msr, t0);
4039         tcg_temp_free(t0);
4040     } else {
4041         /* XXX: we need to update nip before the store
4042          *      if we enter power saving mode, we will exit the loop
4043          *      directly from ppc_store_msr
4044          */
4045         gen_update_nip(ctx, ctx->nip);
4046         gen_helper_store_msr(cpu_env, cpu_gpr[rS(ctx->opcode)]);
4047         /* Must stop the translation as machine state (may have) changed */
4048         /* Note that mtmsr is not always defined as context-synchronizing */
4049         gen_stop_exception(ctx);
4050     }
4051 #endif /* !defined(CONFIG_USER_ONLY) */
4052 }
4053 #endif /* defined(TARGET_PPC64) */
4054 
4055 static void gen_mtmsr(DisasContext *ctx)
4056 {
4057     CHK_SV;
4058 
4059 #if !defined(CONFIG_USER_ONLY)
4060    if (ctx->opcode & 0x00010000) {
4061         /* Special form that does not need any synchronisation */
4062         TCGv t0 = tcg_temp_new();
4063         tcg_gen_andi_tl(t0, cpu_gpr[rS(ctx->opcode)], (1 << MSR_RI) | (1 << MSR_EE));
4064         tcg_gen_andi_tl(cpu_msr, cpu_msr, ~(target_ulong)((1 << MSR_RI) | (1 << MSR_EE)));
4065         tcg_gen_or_tl(cpu_msr, cpu_msr, t0);
4066         tcg_temp_free(t0);
4067     } else {
4068         TCGv msr = tcg_temp_new();
4069 
4070         /* XXX: we need to update nip before the store
4071          *      if we enter power saving mode, we will exit the loop
4072          *      directly from ppc_store_msr
4073          */
4074         gen_update_nip(ctx, ctx->nip);
4075 #if defined(TARGET_PPC64)
4076         tcg_gen_deposit_tl(msr, cpu_msr, cpu_gpr[rS(ctx->opcode)], 0, 32);
4077 #else
4078         tcg_gen_mov_tl(msr, cpu_gpr[rS(ctx->opcode)]);
4079 #endif
4080         gen_helper_store_msr(cpu_env, msr);
4081         tcg_temp_free(msr);
4082         /* Must stop the translation as machine state (may have) changed */
4083         /* Note that mtmsr is not always defined as context-synchronizing */
4084         gen_stop_exception(ctx);
4085     }
4086 #endif
4087 }
4088 
4089 /* mtspr */
4090 static void gen_mtspr(DisasContext *ctx)
4091 {
4092     void (*write_cb)(DisasContext *ctx, int sprn, int gprn);
4093     uint32_t sprn = SPR(ctx->opcode);
4094 
4095 #if defined(CONFIG_USER_ONLY)
4096     write_cb = ctx->spr_cb[sprn].uea_write;
4097 #else
4098     if (ctx->pr) {
4099         write_cb = ctx->spr_cb[sprn].uea_write;
4100     } else if (ctx->hv) {
4101         write_cb = ctx->spr_cb[sprn].hea_write;
4102     } else {
4103         write_cb = ctx->spr_cb[sprn].oea_write;
4104     }
4105 #endif
4106     if (likely(write_cb != NULL)) {
4107         if (likely(write_cb != SPR_NOACCESS)) {
4108             (*write_cb)(ctx, sprn, rS(ctx->opcode));
4109         } else {
4110             /* Privilege exception */
4111             fprintf(stderr, "Trying to write privileged spr %d (0x%03x) at "
4112                     TARGET_FMT_lx "\n", sprn, sprn, ctx->nip - 4);
4113             if (qemu_log_separate()) {
4114                 qemu_log("Trying to write privileged spr %d (0x%03x) at "
4115                          TARGET_FMT_lx "\n", sprn, sprn, ctx->nip - 4);
4116             }
4117             gen_priv_exception(ctx, POWERPC_EXCP_PRIV_REG);
4118         }
4119     } else {
4120         /* ISA 2.07 defines these as no-ops */
4121         if ((ctx->insns_flags2 & PPC2_ISA207S) &&
4122             (sprn >= 808 && sprn <= 811)) {
4123             /* This is a nop */
4124             return;
4125         }
4126 
4127         /* Not defined */
4128         if (qemu_log_separate()) {
4129             qemu_log("Trying to write invalid spr %d (0x%03x) at "
4130                      TARGET_FMT_lx "\n", sprn, sprn, ctx->nip - 4);
4131         }
4132         fprintf(stderr, "Trying to write invalid spr %d (0x%03x) at "
4133                 TARGET_FMT_lx "\n", sprn, sprn, ctx->nip - 4);
4134 
4135 
4136         /* The behaviour depends on MSR:PR and SPR# bit 0x10,
4137          * it can generate a priv, a hv emu or a no-op
4138          */
4139         if (sprn & 0x10) {
4140             if (ctx->pr) {
4141                 gen_priv_exception(ctx, POWERPC_EXCP_INVAL_SPR);
4142             }
4143         } else {
4144             if (ctx->pr || sprn == 0) {
4145                 gen_hvpriv_exception(ctx, POWERPC_EXCP_INVAL_SPR);
4146             }
4147         }
4148     }
4149 }
4150 
4151 #if defined(TARGET_PPC64)
4152 /* setb */
4153 static void gen_setb(DisasContext *ctx)
4154 {
4155     TCGv_i32 t0 = tcg_temp_new_i32();
4156     TCGv_i32 t8 = tcg_temp_new_i32();
4157     TCGv_i32 tm1 = tcg_temp_new_i32();
4158     int crf = crfS(ctx->opcode);
4159 
4160     tcg_gen_setcondi_i32(TCG_COND_GEU, t0, cpu_crf[crf], 4);
4161     tcg_gen_movi_i32(t8, 8);
4162     tcg_gen_movi_i32(tm1, -1);
4163     tcg_gen_movcond_i32(TCG_COND_GEU, t0, cpu_crf[crf], t8, tm1, t0);
4164     tcg_gen_ext_i32_tl(cpu_gpr[rD(ctx->opcode)], t0);
4165 
4166     tcg_temp_free_i32(t0);
4167     tcg_temp_free_i32(t8);
4168     tcg_temp_free_i32(tm1);
4169 }
4170 #endif
4171 
4172 /***                         Cache management                              ***/
4173 
4174 /* dcbf */
4175 static void gen_dcbf(DisasContext *ctx)
4176 {
4177     /* XXX: specification says this is treated as a load by the MMU */
4178     TCGv t0;
4179     gen_set_access_type(ctx, ACCESS_CACHE);
4180     t0 = tcg_temp_new();
4181     gen_addr_reg_index(ctx, t0);
4182     gen_qemu_ld8u(ctx, t0, t0);
4183     tcg_temp_free(t0);
4184 }
4185 
4186 /* dcbi (Supervisor only) */
4187 static void gen_dcbi(DisasContext *ctx)
4188 {
4189 #if defined(CONFIG_USER_ONLY)
4190     GEN_PRIV;
4191 #else
4192     TCGv EA, val;
4193 
4194     CHK_SV;
4195     EA = tcg_temp_new();
4196     gen_set_access_type(ctx, ACCESS_CACHE);
4197     gen_addr_reg_index(ctx, EA);
4198     val = tcg_temp_new();
4199     /* XXX: specification says this should be treated as a store by the MMU */
4200     gen_qemu_ld8u(ctx, val, EA);
4201     gen_qemu_st8(ctx, val, EA);
4202     tcg_temp_free(val);
4203     tcg_temp_free(EA);
4204 #endif /* defined(CONFIG_USER_ONLY) */
4205 }
4206 
4207 /* dcdst */
4208 static void gen_dcbst(DisasContext *ctx)
4209 {
4210     /* XXX: specification say this is treated as a load by the MMU */
4211     TCGv t0;
4212     gen_set_access_type(ctx, ACCESS_CACHE);
4213     t0 = tcg_temp_new();
4214     gen_addr_reg_index(ctx, t0);
4215     gen_qemu_ld8u(ctx, t0, t0);
4216     tcg_temp_free(t0);
4217 }
4218 
4219 /* dcbt */
4220 static void gen_dcbt(DisasContext *ctx)
4221 {
4222     /* interpreted as no-op */
4223     /* XXX: specification say this is treated as a load by the MMU
4224      *      but does not generate any exception
4225      */
4226 }
4227 
4228 /* dcbtst */
4229 static void gen_dcbtst(DisasContext *ctx)
4230 {
4231     /* interpreted as no-op */
4232     /* XXX: specification say this is treated as a load by the MMU
4233      *      but does not generate any exception
4234      */
4235 }
4236 
4237 /* dcbtls */
4238 static void gen_dcbtls(DisasContext *ctx)
4239 {
4240     /* Always fails locking the cache */
4241     TCGv t0 = tcg_temp_new();
4242     gen_load_spr(t0, SPR_Exxx_L1CSR0);
4243     tcg_gen_ori_tl(t0, t0, L1CSR0_CUL);
4244     gen_store_spr(SPR_Exxx_L1CSR0, t0);
4245     tcg_temp_free(t0);
4246 }
4247 
4248 /* dcbz */
4249 static void gen_dcbz(DisasContext *ctx)
4250 {
4251     TCGv tcgv_addr;
4252     TCGv_i32 tcgv_op;
4253 
4254     gen_set_access_type(ctx, ACCESS_CACHE);
4255     tcgv_addr = tcg_temp_new();
4256     tcgv_op = tcg_const_i32(ctx->opcode & 0x03FF000);
4257     gen_addr_reg_index(ctx, tcgv_addr);
4258     gen_helper_dcbz(cpu_env, tcgv_addr, tcgv_op);
4259     tcg_temp_free(tcgv_addr);
4260     tcg_temp_free_i32(tcgv_op);
4261 }
4262 
4263 /* dst / dstt */
4264 static void gen_dst(DisasContext *ctx)
4265 {
4266     if (rA(ctx->opcode) == 0) {
4267         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
4268     } else {
4269         /* interpreted as no-op */
4270     }
4271 }
4272 
4273 /* dstst /dststt */
4274 static void gen_dstst(DisasContext *ctx)
4275 {
4276     if (rA(ctx->opcode) == 0) {
4277         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
4278     } else {
4279         /* interpreted as no-op */
4280     }
4281 
4282 }
4283 
4284 /* dss / dssall */
4285 static void gen_dss(DisasContext *ctx)
4286 {
4287     /* interpreted as no-op */
4288 }
4289 
4290 /* icbi */
4291 static void gen_icbi(DisasContext *ctx)
4292 {
4293     TCGv t0;
4294     gen_set_access_type(ctx, ACCESS_CACHE);
4295     t0 = tcg_temp_new();
4296     gen_addr_reg_index(ctx, t0);
4297     gen_helper_icbi(cpu_env, t0);
4298     tcg_temp_free(t0);
4299 }
4300 
4301 /* Optional: */
4302 /* dcba */
4303 static void gen_dcba(DisasContext *ctx)
4304 {
4305     /* interpreted as no-op */
4306     /* XXX: specification say this is treated as a store by the MMU
4307      *      but does not generate any exception
4308      */
4309 }
4310 
4311 /***                    Segment register manipulation                      ***/
4312 /* Supervisor only: */
4313 
4314 /* mfsr */
4315 static void gen_mfsr(DisasContext *ctx)
4316 {
4317 #if defined(CONFIG_USER_ONLY)
4318     GEN_PRIV;
4319 #else
4320     TCGv t0;
4321 
4322     CHK_SV;
4323     t0 = tcg_const_tl(SR(ctx->opcode));
4324     gen_helper_load_sr(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
4325     tcg_temp_free(t0);
4326 #endif /* defined(CONFIG_USER_ONLY) */
4327 }
4328 
4329 /* mfsrin */
4330 static void gen_mfsrin(DisasContext *ctx)
4331 {
4332 #if defined(CONFIG_USER_ONLY)
4333     GEN_PRIV;
4334 #else
4335     TCGv t0;
4336 
4337     CHK_SV;
4338     t0 = tcg_temp_new();
4339     tcg_gen_shri_tl(t0, cpu_gpr[rB(ctx->opcode)], 28);
4340     tcg_gen_andi_tl(t0, t0, 0xF);
4341     gen_helper_load_sr(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
4342     tcg_temp_free(t0);
4343 #endif /* defined(CONFIG_USER_ONLY) */
4344 }
4345 
4346 /* mtsr */
4347 static void gen_mtsr(DisasContext *ctx)
4348 {
4349 #if defined(CONFIG_USER_ONLY)
4350     GEN_PRIV;
4351 #else
4352     TCGv t0;
4353 
4354     CHK_SV;
4355     t0 = tcg_const_tl(SR(ctx->opcode));
4356     gen_helper_store_sr(cpu_env, t0, cpu_gpr[rS(ctx->opcode)]);
4357     tcg_temp_free(t0);
4358 #endif /* defined(CONFIG_USER_ONLY) */
4359 }
4360 
4361 /* mtsrin */
4362 static void gen_mtsrin(DisasContext *ctx)
4363 {
4364 #if defined(CONFIG_USER_ONLY)
4365     GEN_PRIV;
4366 #else
4367     TCGv t0;
4368     CHK_SV;
4369 
4370     t0 = tcg_temp_new();
4371     tcg_gen_shri_tl(t0, cpu_gpr[rB(ctx->opcode)], 28);
4372     tcg_gen_andi_tl(t0, t0, 0xF);
4373     gen_helper_store_sr(cpu_env, t0, cpu_gpr[rD(ctx->opcode)]);
4374     tcg_temp_free(t0);
4375 #endif /* defined(CONFIG_USER_ONLY) */
4376 }
4377 
4378 #if defined(TARGET_PPC64)
4379 /* Specific implementation for PowerPC 64 "bridge" emulation using SLB */
4380 
4381 /* mfsr */
4382 static void gen_mfsr_64b(DisasContext *ctx)
4383 {
4384 #if defined(CONFIG_USER_ONLY)
4385     GEN_PRIV;
4386 #else
4387     TCGv t0;
4388 
4389     CHK_SV;
4390     t0 = tcg_const_tl(SR(ctx->opcode));
4391     gen_helper_load_sr(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
4392     tcg_temp_free(t0);
4393 #endif /* defined(CONFIG_USER_ONLY) */
4394 }
4395 
4396 /* mfsrin */
4397 static void gen_mfsrin_64b(DisasContext *ctx)
4398 {
4399 #if defined(CONFIG_USER_ONLY)
4400     GEN_PRIV;
4401 #else
4402     TCGv t0;
4403 
4404     CHK_SV;
4405     t0 = tcg_temp_new();
4406     tcg_gen_shri_tl(t0, cpu_gpr[rB(ctx->opcode)], 28);
4407     tcg_gen_andi_tl(t0, t0, 0xF);
4408     gen_helper_load_sr(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
4409     tcg_temp_free(t0);
4410 #endif /* defined(CONFIG_USER_ONLY) */
4411 }
4412 
4413 /* mtsr */
4414 static void gen_mtsr_64b(DisasContext *ctx)
4415 {
4416 #if defined(CONFIG_USER_ONLY)
4417     GEN_PRIV;
4418 #else
4419     TCGv t0;
4420 
4421     CHK_SV;
4422     t0 = tcg_const_tl(SR(ctx->opcode));
4423     gen_helper_store_sr(cpu_env, t0, cpu_gpr[rS(ctx->opcode)]);
4424     tcg_temp_free(t0);
4425 #endif /* defined(CONFIG_USER_ONLY) */
4426 }
4427 
4428 /* mtsrin */
4429 static void gen_mtsrin_64b(DisasContext *ctx)
4430 {
4431 #if defined(CONFIG_USER_ONLY)
4432     GEN_PRIV;
4433 #else
4434     TCGv t0;
4435 
4436     CHK_SV;
4437     t0 = tcg_temp_new();
4438     tcg_gen_shri_tl(t0, cpu_gpr[rB(ctx->opcode)], 28);
4439     tcg_gen_andi_tl(t0, t0, 0xF);
4440     gen_helper_store_sr(cpu_env, t0, cpu_gpr[rS(ctx->opcode)]);
4441     tcg_temp_free(t0);
4442 #endif /* defined(CONFIG_USER_ONLY) */
4443 }
4444 
4445 /* slbmte */
4446 static void gen_slbmte(DisasContext *ctx)
4447 {
4448 #if defined(CONFIG_USER_ONLY)
4449     GEN_PRIV;
4450 #else
4451     CHK_SV;
4452 
4453     gen_helper_store_slb(cpu_env, cpu_gpr[rB(ctx->opcode)],
4454                          cpu_gpr[rS(ctx->opcode)]);
4455 #endif /* defined(CONFIG_USER_ONLY) */
4456 }
4457 
4458 static void gen_slbmfee(DisasContext *ctx)
4459 {
4460 #if defined(CONFIG_USER_ONLY)
4461     GEN_PRIV;
4462 #else
4463     CHK_SV;
4464 
4465     gen_helper_load_slb_esid(cpu_gpr[rS(ctx->opcode)], cpu_env,
4466                              cpu_gpr[rB(ctx->opcode)]);
4467 #endif /* defined(CONFIG_USER_ONLY) */
4468 }
4469 
4470 static void gen_slbmfev(DisasContext *ctx)
4471 {
4472 #if defined(CONFIG_USER_ONLY)
4473     GEN_PRIV;
4474 #else
4475     CHK_SV;
4476 
4477     gen_helper_load_slb_vsid(cpu_gpr[rS(ctx->opcode)], cpu_env,
4478                              cpu_gpr[rB(ctx->opcode)]);
4479 #endif /* defined(CONFIG_USER_ONLY) */
4480 }
4481 
4482 static void gen_slbfee_(DisasContext *ctx)
4483 {
4484 #if defined(CONFIG_USER_ONLY)
4485     gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG);
4486 #else
4487     TCGLabel *l1, *l2;
4488 
4489     if (unlikely(ctx->pr)) {
4490         gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG);
4491         return;
4492     }
4493     gen_helper_find_slb_vsid(cpu_gpr[rS(ctx->opcode)], cpu_env,
4494                              cpu_gpr[rB(ctx->opcode)]);
4495     l1 = gen_new_label();
4496     l2 = gen_new_label();
4497     tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so);
4498     tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[rS(ctx->opcode)], -1, l1);
4499     tcg_gen_ori_i32(cpu_crf[0], cpu_crf[0], CRF_EQ);
4500     tcg_gen_br(l2);
4501     gen_set_label(l1);
4502     tcg_gen_movi_tl(cpu_gpr[rS(ctx->opcode)], 0);
4503     gen_set_label(l2);
4504 #endif
4505 }
4506 #endif /* defined(TARGET_PPC64) */
4507 
4508 /***                      Lookaside buffer management                      ***/
4509 /* Optional & supervisor only: */
4510 
4511 /* tlbia */
4512 static void gen_tlbia(DisasContext *ctx)
4513 {
4514 #if defined(CONFIG_USER_ONLY)
4515     GEN_PRIV;
4516 #else
4517     CHK_HV;
4518 
4519     gen_helper_tlbia(cpu_env);
4520 #endif  /* defined(CONFIG_USER_ONLY) */
4521 }
4522 
4523 /* tlbiel */
4524 static void gen_tlbiel(DisasContext *ctx)
4525 {
4526 #if defined(CONFIG_USER_ONLY)
4527     GEN_PRIV;
4528 #else
4529     CHK_SV;
4530 
4531     gen_helper_tlbie(cpu_env, cpu_gpr[rB(ctx->opcode)]);
4532 #endif /* defined(CONFIG_USER_ONLY) */
4533 }
4534 
4535 /* tlbie */
4536 static void gen_tlbie(DisasContext *ctx)
4537 {
4538 #if defined(CONFIG_USER_ONLY)
4539     GEN_PRIV;
4540 #else
4541     TCGv_i32 t1;
4542 
4543     if (ctx->gtse) {
4544         CHK_SV; /* If gtse is set then tblie is supervisor privileged */
4545     } else {
4546         CHK_HV; /* Else hypervisor privileged */
4547     }
4548 
4549     if (NARROW_MODE(ctx)) {
4550         TCGv t0 = tcg_temp_new();
4551         tcg_gen_ext32u_tl(t0, cpu_gpr[rB(ctx->opcode)]);
4552         gen_helper_tlbie(cpu_env, t0);
4553         tcg_temp_free(t0);
4554     } else {
4555         gen_helper_tlbie(cpu_env, cpu_gpr[rB(ctx->opcode)]);
4556     }
4557     t1 = tcg_temp_new_i32();
4558     tcg_gen_ld_i32(t1, cpu_env, offsetof(CPUPPCState, tlb_need_flush));
4559     tcg_gen_ori_i32(t1, t1, TLB_NEED_GLOBAL_FLUSH);
4560     tcg_gen_st_i32(t1, cpu_env, offsetof(CPUPPCState, tlb_need_flush));
4561     tcg_temp_free_i32(t1);
4562 #endif /* defined(CONFIG_USER_ONLY) */
4563 }
4564 
4565 /* tlbsync */
4566 static void gen_tlbsync(DisasContext *ctx)
4567 {
4568 #if defined(CONFIG_USER_ONLY)
4569     GEN_PRIV;
4570 #else
4571     CHK_HV;
4572 
4573     /* BookS does both ptesync and tlbsync make tlbsync a nop for server */
4574     if (ctx->insns_flags & PPC_BOOKE) {
4575         gen_check_tlb_flush(ctx, true);
4576     }
4577 #endif /* defined(CONFIG_USER_ONLY) */
4578 }
4579 
4580 #if defined(TARGET_PPC64)
4581 /* slbia */
4582 static void gen_slbia(DisasContext *ctx)
4583 {
4584 #if defined(CONFIG_USER_ONLY)
4585     GEN_PRIV;
4586 #else
4587     CHK_SV;
4588 
4589     gen_helper_slbia(cpu_env);
4590 #endif /* defined(CONFIG_USER_ONLY) */
4591 }
4592 
4593 /* slbie */
4594 static void gen_slbie(DisasContext *ctx)
4595 {
4596 #if defined(CONFIG_USER_ONLY)
4597     GEN_PRIV;
4598 #else
4599     CHK_SV;
4600 
4601     gen_helper_slbie(cpu_env, cpu_gpr[rB(ctx->opcode)]);
4602 #endif /* defined(CONFIG_USER_ONLY) */
4603 }
4604 
4605 /* slbieg */
4606 static void gen_slbieg(DisasContext *ctx)
4607 {
4608 #if defined(CONFIG_USER_ONLY)
4609     GEN_PRIV;
4610 #else
4611     CHK_SV;
4612 
4613     gen_helper_slbieg(cpu_env, cpu_gpr[rB(ctx->opcode)]);
4614 #endif /* defined(CONFIG_USER_ONLY) */
4615 }
4616 
4617 /* slbsync */
4618 static void gen_slbsync(DisasContext *ctx)
4619 {
4620 #if defined(CONFIG_USER_ONLY)
4621     GEN_PRIV;
4622 #else
4623     CHK_SV;
4624     gen_check_tlb_flush(ctx, true);
4625 #endif /* defined(CONFIG_USER_ONLY) */
4626 }
4627 
4628 #endif  /* defined(TARGET_PPC64) */
4629 
4630 /***                              External control                         ***/
4631 /* Optional: */
4632 
4633 /* eciwx */
4634 static void gen_eciwx(DisasContext *ctx)
4635 {
4636     TCGv t0;
4637     /* Should check EAR[E] ! */
4638     gen_set_access_type(ctx, ACCESS_EXT);
4639     t0 = tcg_temp_new();
4640     gen_addr_reg_index(ctx, t0);
4641     gen_check_align(ctx, t0, 0x03);
4642     gen_qemu_ld32u(ctx, cpu_gpr[rD(ctx->opcode)], t0);
4643     tcg_temp_free(t0);
4644 }
4645 
4646 /* ecowx */
4647 static void gen_ecowx(DisasContext *ctx)
4648 {
4649     TCGv t0;
4650     /* Should check EAR[E] ! */
4651     gen_set_access_type(ctx, ACCESS_EXT);
4652     t0 = tcg_temp_new();
4653     gen_addr_reg_index(ctx, t0);
4654     gen_check_align(ctx, t0, 0x03);
4655     gen_qemu_st32(ctx, cpu_gpr[rD(ctx->opcode)], t0);
4656     tcg_temp_free(t0);
4657 }
4658 
4659 /* PowerPC 601 specific instructions */
4660 
4661 /* abs - abs. */
4662 static void gen_abs(DisasContext *ctx)
4663 {
4664     TCGLabel *l1 = gen_new_label();
4665     TCGLabel *l2 = gen_new_label();
4666     tcg_gen_brcondi_tl(TCG_COND_GE, cpu_gpr[rA(ctx->opcode)], 0, l1);
4667     tcg_gen_neg_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
4668     tcg_gen_br(l2);
4669     gen_set_label(l1);
4670     tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
4671     gen_set_label(l2);
4672     if (unlikely(Rc(ctx->opcode) != 0))
4673         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
4674 }
4675 
4676 /* abso - abso. */
4677 static void gen_abso(DisasContext *ctx)
4678 {
4679     TCGLabel *l1 = gen_new_label();
4680     TCGLabel *l2 = gen_new_label();
4681     TCGLabel *l3 = gen_new_label();
4682     /* Start with XER OV disabled, the most likely case */
4683     tcg_gen_movi_tl(cpu_ov, 0);
4684     tcg_gen_brcondi_tl(TCG_COND_GE, cpu_gpr[rA(ctx->opcode)], 0, l2);
4685     tcg_gen_brcondi_tl(TCG_COND_NE, cpu_gpr[rA(ctx->opcode)], 0x80000000, l1);
4686     tcg_gen_movi_tl(cpu_ov, 1);
4687     tcg_gen_movi_tl(cpu_so, 1);
4688     tcg_gen_br(l2);
4689     gen_set_label(l1);
4690     tcg_gen_neg_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
4691     tcg_gen_br(l3);
4692     gen_set_label(l2);
4693     tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
4694     gen_set_label(l3);
4695     if (unlikely(Rc(ctx->opcode) != 0))
4696         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
4697 }
4698 
4699 /* clcs */
4700 static void gen_clcs(DisasContext *ctx)
4701 {
4702     TCGv_i32 t0 = tcg_const_i32(rA(ctx->opcode));
4703     gen_helper_clcs(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
4704     tcg_temp_free_i32(t0);
4705     /* Rc=1 sets CR0 to an undefined state */
4706 }
4707 
4708 /* div - div. */
4709 static void gen_div(DisasContext *ctx)
4710 {
4711     gen_helper_div(cpu_gpr[rD(ctx->opcode)], cpu_env, cpu_gpr[rA(ctx->opcode)],
4712                    cpu_gpr[rB(ctx->opcode)]);
4713     if (unlikely(Rc(ctx->opcode) != 0))
4714         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
4715 }
4716 
4717 /* divo - divo. */
4718 static void gen_divo(DisasContext *ctx)
4719 {
4720     gen_helper_divo(cpu_gpr[rD(ctx->opcode)], cpu_env, cpu_gpr[rA(ctx->opcode)],
4721                     cpu_gpr[rB(ctx->opcode)]);
4722     if (unlikely(Rc(ctx->opcode) != 0))
4723         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
4724 }
4725 
4726 /* divs - divs. */
4727 static void gen_divs(DisasContext *ctx)
4728 {
4729     gen_helper_divs(cpu_gpr[rD(ctx->opcode)], cpu_env, cpu_gpr[rA(ctx->opcode)],
4730                     cpu_gpr[rB(ctx->opcode)]);
4731     if (unlikely(Rc(ctx->opcode) != 0))
4732         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
4733 }
4734 
4735 /* divso - divso. */
4736 static void gen_divso(DisasContext *ctx)
4737 {
4738     gen_helper_divso(cpu_gpr[rD(ctx->opcode)], cpu_env,
4739                      cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
4740     if (unlikely(Rc(ctx->opcode) != 0))
4741         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
4742 }
4743 
4744 /* doz - doz. */
4745 static void gen_doz(DisasContext *ctx)
4746 {
4747     TCGLabel *l1 = gen_new_label();
4748     TCGLabel *l2 = gen_new_label();
4749     tcg_gen_brcond_tl(TCG_COND_GE, cpu_gpr[rB(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], l1);
4750     tcg_gen_sub_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
4751     tcg_gen_br(l2);
4752     gen_set_label(l1);
4753     tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], 0);
4754     gen_set_label(l2);
4755     if (unlikely(Rc(ctx->opcode) != 0))
4756         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
4757 }
4758 
4759 /* dozo - dozo. */
4760 static void gen_dozo(DisasContext *ctx)
4761 {
4762     TCGLabel *l1 = gen_new_label();
4763     TCGLabel *l2 = gen_new_label();
4764     TCGv t0 = tcg_temp_new();
4765     TCGv t1 = tcg_temp_new();
4766     TCGv t2 = tcg_temp_new();
4767     /* Start with XER OV disabled, the most likely case */
4768     tcg_gen_movi_tl(cpu_ov, 0);
4769     tcg_gen_brcond_tl(TCG_COND_GE, cpu_gpr[rB(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], l1);
4770     tcg_gen_sub_tl(t0, cpu_gpr[rB(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
4771     tcg_gen_xor_tl(t1, cpu_gpr[rB(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
4772     tcg_gen_xor_tl(t2, cpu_gpr[rA(ctx->opcode)], t0);
4773     tcg_gen_andc_tl(t1, t1, t2);
4774     tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], t0);
4775     tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l2);
4776     tcg_gen_movi_tl(cpu_ov, 1);
4777     tcg_gen_movi_tl(cpu_so, 1);
4778     tcg_gen_br(l2);
4779     gen_set_label(l1);
4780     tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], 0);
4781     gen_set_label(l2);
4782     tcg_temp_free(t0);
4783     tcg_temp_free(t1);
4784     tcg_temp_free(t2);
4785     if (unlikely(Rc(ctx->opcode) != 0))
4786         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
4787 }
4788 
4789 /* dozi */
4790 static void gen_dozi(DisasContext *ctx)
4791 {
4792     target_long simm = SIMM(ctx->opcode);
4793     TCGLabel *l1 = gen_new_label();
4794     TCGLabel *l2 = gen_new_label();
4795     tcg_gen_brcondi_tl(TCG_COND_LT, cpu_gpr[rA(ctx->opcode)], simm, l1);
4796     tcg_gen_subfi_tl(cpu_gpr[rD(ctx->opcode)], simm, cpu_gpr[rA(ctx->opcode)]);
4797     tcg_gen_br(l2);
4798     gen_set_label(l1);
4799     tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], 0);
4800     gen_set_label(l2);
4801     if (unlikely(Rc(ctx->opcode) != 0))
4802         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
4803 }
4804 
4805 /* lscbx - lscbx. */
4806 static void gen_lscbx(DisasContext *ctx)
4807 {
4808     TCGv t0 = tcg_temp_new();
4809     TCGv_i32 t1 = tcg_const_i32(rD(ctx->opcode));
4810     TCGv_i32 t2 = tcg_const_i32(rA(ctx->opcode));
4811     TCGv_i32 t3 = tcg_const_i32(rB(ctx->opcode));
4812 
4813     gen_addr_reg_index(ctx, t0);
4814     gen_helper_lscbx(t0, cpu_env, t0, t1, t2, t3);
4815     tcg_temp_free_i32(t1);
4816     tcg_temp_free_i32(t2);
4817     tcg_temp_free_i32(t3);
4818     tcg_gen_andi_tl(cpu_xer, cpu_xer, ~0x7F);
4819     tcg_gen_or_tl(cpu_xer, cpu_xer, t0);
4820     if (unlikely(Rc(ctx->opcode) != 0))
4821         gen_set_Rc0(ctx, t0);
4822     tcg_temp_free(t0);
4823 }
4824 
4825 /* maskg - maskg. */
4826 static void gen_maskg(DisasContext *ctx)
4827 {
4828     TCGLabel *l1 = gen_new_label();
4829     TCGv t0 = tcg_temp_new();
4830     TCGv t1 = tcg_temp_new();
4831     TCGv t2 = tcg_temp_new();
4832     TCGv t3 = tcg_temp_new();
4833     tcg_gen_movi_tl(t3, 0xFFFFFFFF);
4834     tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F);
4835     tcg_gen_andi_tl(t1, cpu_gpr[rS(ctx->opcode)], 0x1F);
4836     tcg_gen_addi_tl(t2, t0, 1);
4837     tcg_gen_shr_tl(t2, t3, t2);
4838     tcg_gen_shr_tl(t3, t3, t1);
4839     tcg_gen_xor_tl(cpu_gpr[rA(ctx->opcode)], t2, t3);
4840     tcg_gen_brcond_tl(TCG_COND_GE, t0, t1, l1);
4841     tcg_gen_neg_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
4842     gen_set_label(l1);
4843     tcg_temp_free(t0);
4844     tcg_temp_free(t1);
4845     tcg_temp_free(t2);
4846     tcg_temp_free(t3);
4847     if (unlikely(Rc(ctx->opcode) != 0))
4848         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
4849 }
4850 
4851 /* maskir - maskir. */
4852 static void gen_maskir(DisasContext *ctx)
4853 {
4854     TCGv t0 = tcg_temp_new();
4855     TCGv t1 = tcg_temp_new();
4856     tcg_gen_and_tl(t0, cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
4857     tcg_gen_andc_tl(t1, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
4858     tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
4859     tcg_temp_free(t0);
4860     tcg_temp_free(t1);
4861     if (unlikely(Rc(ctx->opcode) != 0))
4862         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
4863 }
4864 
4865 /* mul - mul. */
4866 static void gen_mul(DisasContext *ctx)
4867 {
4868     TCGv_i64 t0 = tcg_temp_new_i64();
4869     TCGv_i64 t1 = tcg_temp_new_i64();
4870     TCGv t2 = tcg_temp_new();
4871     tcg_gen_extu_tl_i64(t0, cpu_gpr[rA(ctx->opcode)]);
4872     tcg_gen_extu_tl_i64(t1, cpu_gpr[rB(ctx->opcode)]);
4873     tcg_gen_mul_i64(t0, t0, t1);
4874     tcg_gen_trunc_i64_tl(t2, t0);
4875     gen_store_spr(SPR_MQ, t2);
4876     tcg_gen_shri_i64(t1, t0, 32);
4877     tcg_gen_trunc_i64_tl(cpu_gpr[rD(ctx->opcode)], t1);
4878     tcg_temp_free_i64(t0);
4879     tcg_temp_free_i64(t1);
4880     tcg_temp_free(t2);
4881     if (unlikely(Rc(ctx->opcode) != 0))
4882         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
4883 }
4884 
4885 /* mulo - mulo. */
4886 static void gen_mulo(DisasContext *ctx)
4887 {
4888     TCGLabel *l1 = gen_new_label();
4889     TCGv_i64 t0 = tcg_temp_new_i64();
4890     TCGv_i64 t1 = tcg_temp_new_i64();
4891     TCGv t2 = tcg_temp_new();
4892     /* Start with XER OV disabled, the most likely case */
4893     tcg_gen_movi_tl(cpu_ov, 0);
4894     tcg_gen_extu_tl_i64(t0, cpu_gpr[rA(ctx->opcode)]);
4895     tcg_gen_extu_tl_i64(t1, cpu_gpr[rB(ctx->opcode)]);
4896     tcg_gen_mul_i64(t0, t0, t1);
4897     tcg_gen_trunc_i64_tl(t2, t0);
4898     gen_store_spr(SPR_MQ, t2);
4899     tcg_gen_shri_i64(t1, t0, 32);
4900     tcg_gen_trunc_i64_tl(cpu_gpr[rD(ctx->opcode)], t1);
4901     tcg_gen_ext32s_i64(t1, t0);
4902     tcg_gen_brcond_i64(TCG_COND_EQ, t0, t1, l1);
4903     tcg_gen_movi_tl(cpu_ov, 1);
4904     tcg_gen_movi_tl(cpu_so, 1);
4905     gen_set_label(l1);
4906     tcg_temp_free_i64(t0);
4907     tcg_temp_free_i64(t1);
4908     tcg_temp_free(t2);
4909     if (unlikely(Rc(ctx->opcode) != 0))
4910         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
4911 }
4912 
4913 /* nabs - nabs. */
4914 static void gen_nabs(DisasContext *ctx)
4915 {
4916     TCGLabel *l1 = gen_new_label();
4917     TCGLabel *l2 = gen_new_label();
4918     tcg_gen_brcondi_tl(TCG_COND_GT, cpu_gpr[rA(ctx->opcode)], 0, l1);
4919     tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
4920     tcg_gen_br(l2);
4921     gen_set_label(l1);
4922     tcg_gen_neg_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
4923     gen_set_label(l2);
4924     if (unlikely(Rc(ctx->opcode) != 0))
4925         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
4926 }
4927 
4928 /* nabso - nabso. */
4929 static void gen_nabso(DisasContext *ctx)
4930 {
4931     TCGLabel *l1 = gen_new_label();
4932     TCGLabel *l2 = gen_new_label();
4933     tcg_gen_brcondi_tl(TCG_COND_GT, cpu_gpr[rA(ctx->opcode)], 0, l1);
4934     tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
4935     tcg_gen_br(l2);
4936     gen_set_label(l1);
4937     tcg_gen_neg_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
4938     gen_set_label(l2);
4939     /* nabs never overflows */
4940     tcg_gen_movi_tl(cpu_ov, 0);
4941     if (unlikely(Rc(ctx->opcode) != 0))
4942         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
4943 }
4944 
4945 /* rlmi - rlmi. */
4946 static void gen_rlmi(DisasContext *ctx)
4947 {
4948     uint32_t mb = MB(ctx->opcode);
4949     uint32_t me = ME(ctx->opcode);
4950     TCGv t0 = tcg_temp_new();
4951     tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F);
4952     tcg_gen_rotl_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
4953     tcg_gen_andi_tl(t0, t0, MASK(mb, me));
4954     tcg_gen_andi_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], ~MASK(mb, me));
4955     tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], t0);
4956     tcg_temp_free(t0);
4957     if (unlikely(Rc(ctx->opcode) != 0))
4958         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
4959 }
4960 
4961 /* rrib - rrib. */
4962 static void gen_rrib(DisasContext *ctx)
4963 {
4964     TCGv t0 = tcg_temp_new();
4965     TCGv t1 = tcg_temp_new();
4966     tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F);
4967     tcg_gen_movi_tl(t1, 0x80000000);
4968     tcg_gen_shr_tl(t1, t1, t0);
4969     tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
4970     tcg_gen_and_tl(t0, t0, t1);
4971     tcg_gen_andc_tl(t1, cpu_gpr[rA(ctx->opcode)], t1);
4972     tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
4973     tcg_temp_free(t0);
4974     tcg_temp_free(t1);
4975     if (unlikely(Rc(ctx->opcode) != 0))
4976         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
4977 }
4978 
4979 /* sle - sle. */
4980 static void gen_sle(DisasContext *ctx)
4981 {
4982     TCGv t0 = tcg_temp_new();
4983     TCGv t1 = tcg_temp_new();
4984     tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F);
4985     tcg_gen_shl_tl(t0, cpu_gpr[rS(ctx->opcode)], t1);
4986     tcg_gen_subfi_tl(t1, 32, t1);
4987     tcg_gen_shr_tl(t1, cpu_gpr[rS(ctx->opcode)], t1);
4988     tcg_gen_or_tl(t1, t0, t1);
4989     tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
4990     gen_store_spr(SPR_MQ, t1);
4991     tcg_temp_free(t0);
4992     tcg_temp_free(t1);
4993     if (unlikely(Rc(ctx->opcode) != 0))
4994         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
4995 }
4996 
4997 /* sleq - sleq. */
4998 static void gen_sleq(DisasContext *ctx)
4999 {
5000     TCGv t0 = tcg_temp_new();
5001     TCGv t1 = tcg_temp_new();
5002     TCGv t2 = tcg_temp_new();
5003     tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F);
5004     tcg_gen_movi_tl(t2, 0xFFFFFFFF);
5005     tcg_gen_shl_tl(t2, t2, t0);
5006     tcg_gen_rotl_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
5007     gen_load_spr(t1, SPR_MQ);
5008     gen_store_spr(SPR_MQ, t0);
5009     tcg_gen_and_tl(t0, t0, t2);
5010     tcg_gen_andc_tl(t1, t1, t2);
5011     tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
5012     tcg_temp_free(t0);
5013     tcg_temp_free(t1);
5014     tcg_temp_free(t2);
5015     if (unlikely(Rc(ctx->opcode) != 0))
5016         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5017 }
5018 
5019 /* sliq - sliq. */
5020 static void gen_sliq(DisasContext *ctx)
5021 {
5022     int sh = SH(ctx->opcode);
5023     TCGv t0 = tcg_temp_new();
5024     TCGv t1 = tcg_temp_new();
5025     tcg_gen_shli_tl(t0, cpu_gpr[rS(ctx->opcode)], sh);
5026     tcg_gen_shri_tl(t1, cpu_gpr[rS(ctx->opcode)], 32 - sh);
5027     tcg_gen_or_tl(t1, t0, t1);
5028     tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
5029     gen_store_spr(SPR_MQ, t1);
5030     tcg_temp_free(t0);
5031     tcg_temp_free(t1);
5032     if (unlikely(Rc(ctx->opcode) != 0))
5033         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5034 }
5035 
5036 /* slliq - slliq. */
5037 static void gen_slliq(DisasContext *ctx)
5038 {
5039     int sh = SH(ctx->opcode);
5040     TCGv t0 = tcg_temp_new();
5041     TCGv t1 = tcg_temp_new();
5042     tcg_gen_rotli_tl(t0, cpu_gpr[rS(ctx->opcode)], sh);
5043     gen_load_spr(t1, SPR_MQ);
5044     gen_store_spr(SPR_MQ, t0);
5045     tcg_gen_andi_tl(t0, t0,  (0xFFFFFFFFU << sh));
5046     tcg_gen_andi_tl(t1, t1, ~(0xFFFFFFFFU << sh));
5047     tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
5048     tcg_temp_free(t0);
5049     tcg_temp_free(t1);
5050     if (unlikely(Rc(ctx->opcode) != 0))
5051         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5052 }
5053 
5054 /* sllq - sllq. */
5055 static void gen_sllq(DisasContext *ctx)
5056 {
5057     TCGLabel *l1 = gen_new_label();
5058     TCGLabel *l2 = gen_new_label();
5059     TCGv t0 = tcg_temp_local_new();
5060     TCGv t1 = tcg_temp_local_new();
5061     TCGv t2 = tcg_temp_local_new();
5062     tcg_gen_andi_tl(t2, cpu_gpr[rB(ctx->opcode)], 0x1F);
5063     tcg_gen_movi_tl(t1, 0xFFFFFFFF);
5064     tcg_gen_shl_tl(t1, t1, t2);
5065     tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x20);
5066     tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1);
5067     gen_load_spr(t0, SPR_MQ);
5068     tcg_gen_and_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
5069     tcg_gen_br(l2);
5070     gen_set_label(l1);
5071     tcg_gen_shl_tl(t0, cpu_gpr[rS(ctx->opcode)], t2);
5072     gen_load_spr(t2, SPR_MQ);
5073     tcg_gen_andc_tl(t1, t2, t1);
5074     tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
5075     gen_set_label(l2);
5076     tcg_temp_free(t0);
5077     tcg_temp_free(t1);
5078     tcg_temp_free(t2);
5079     if (unlikely(Rc(ctx->opcode) != 0))
5080         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5081 }
5082 
5083 /* slq - slq. */
5084 static void gen_slq(DisasContext *ctx)
5085 {
5086     TCGLabel *l1 = gen_new_label();
5087     TCGv t0 = tcg_temp_new();
5088     TCGv t1 = tcg_temp_new();
5089     tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F);
5090     tcg_gen_shl_tl(t0, cpu_gpr[rS(ctx->opcode)], t1);
5091     tcg_gen_subfi_tl(t1, 32, t1);
5092     tcg_gen_shr_tl(t1, cpu_gpr[rS(ctx->opcode)], t1);
5093     tcg_gen_or_tl(t1, t0, t1);
5094     gen_store_spr(SPR_MQ, t1);
5095     tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x20);
5096     tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
5097     tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1);
5098     tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0);
5099     gen_set_label(l1);
5100     tcg_temp_free(t0);
5101     tcg_temp_free(t1);
5102     if (unlikely(Rc(ctx->opcode) != 0))
5103         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5104 }
5105 
5106 /* sraiq - sraiq. */
5107 static void gen_sraiq(DisasContext *ctx)
5108 {
5109     int sh = SH(ctx->opcode);
5110     TCGLabel *l1 = gen_new_label();
5111     TCGv t0 = tcg_temp_new();
5112     TCGv t1 = tcg_temp_new();
5113     tcg_gen_shri_tl(t0, cpu_gpr[rS(ctx->opcode)], sh);
5114     tcg_gen_shli_tl(t1, cpu_gpr[rS(ctx->opcode)], 32 - sh);
5115     tcg_gen_or_tl(t0, t0, t1);
5116     gen_store_spr(SPR_MQ, t0);
5117     tcg_gen_movi_tl(cpu_ca, 0);
5118     tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1);
5119     tcg_gen_brcondi_tl(TCG_COND_GE, cpu_gpr[rS(ctx->opcode)], 0, l1);
5120     tcg_gen_movi_tl(cpu_ca, 1);
5121     gen_set_label(l1);
5122     tcg_gen_sari_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], sh);
5123     tcg_temp_free(t0);
5124     tcg_temp_free(t1);
5125     if (unlikely(Rc(ctx->opcode) != 0))
5126         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5127 }
5128 
5129 /* sraq - sraq. */
5130 static void gen_sraq(DisasContext *ctx)
5131 {
5132     TCGLabel *l1 = gen_new_label();
5133     TCGLabel *l2 = gen_new_label();
5134     TCGv t0 = tcg_temp_new();
5135     TCGv t1 = tcg_temp_local_new();
5136     TCGv t2 = tcg_temp_local_new();
5137     tcg_gen_andi_tl(t2, cpu_gpr[rB(ctx->opcode)], 0x1F);
5138     tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t2);
5139     tcg_gen_sar_tl(t1, cpu_gpr[rS(ctx->opcode)], t2);
5140     tcg_gen_subfi_tl(t2, 32, t2);
5141     tcg_gen_shl_tl(t2, cpu_gpr[rS(ctx->opcode)], t2);
5142     tcg_gen_or_tl(t0, t0, t2);
5143     gen_store_spr(SPR_MQ, t0);
5144     tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x20);
5145     tcg_gen_brcondi_tl(TCG_COND_EQ, t2, 0, l1);
5146     tcg_gen_mov_tl(t2, cpu_gpr[rS(ctx->opcode)]);
5147     tcg_gen_sari_tl(t1, cpu_gpr[rS(ctx->opcode)], 31);
5148     gen_set_label(l1);
5149     tcg_temp_free(t0);
5150     tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t1);
5151     tcg_gen_movi_tl(cpu_ca, 0);
5152     tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l2);
5153     tcg_gen_brcondi_tl(TCG_COND_EQ, t2, 0, l2);
5154     tcg_gen_movi_tl(cpu_ca, 1);
5155     gen_set_label(l2);
5156     tcg_temp_free(t1);
5157     tcg_temp_free(t2);
5158     if (unlikely(Rc(ctx->opcode) != 0))
5159         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5160 }
5161 
5162 /* sre - sre. */
5163 static void gen_sre(DisasContext *ctx)
5164 {
5165     TCGv t0 = tcg_temp_new();
5166     TCGv t1 = tcg_temp_new();
5167     tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F);
5168     tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t1);
5169     tcg_gen_subfi_tl(t1, 32, t1);
5170     tcg_gen_shl_tl(t1, cpu_gpr[rS(ctx->opcode)], t1);
5171     tcg_gen_or_tl(t1, t0, t1);
5172     tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
5173     gen_store_spr(SPR_MQ, t1);
5174     tcg_temp_free(t0);
5175     tcg_temp_free(t1);
5176     if (unlikely(Rc(ctx->opcode) != 0))
5177         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5178 }
5179 
5180 /* srea - srea. */
5181 static void gen_srea(DisasContext *ctx)
5182 {
5183     TCGv t0 = tcg_temp_new();
5184     TCGv t1 = tcg_temp_new();
5185     tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F);
5186     tcg_gen_rotr_tl(t0, cpu_gpr[rS(ctx->opcode)], t1);
5187     gen_store_spr(SPR_MQ, t0);
5188     tcg_gen_sar_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], t1);
5189     tcg_temp_free(t0);
5190     tcg_temp_free(t1);
5191     if (unlikely(Rc(ctx->opcode) != 0))
5192         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5193 }
5194 
5195 /* sreq */
5196 static void gen_sreq(DisasContext *ctx)
5197 {
5198     TCGv t0 = tcg_temp_new();
5199     TCGv t1 = tcg_temp_new();
5200     TCGv t2 = tcg_temp_new();
5201     tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F);
5202     tcg_gen_movi_tl(t1, 0xFFFFFFFF);
5203     tcg_gen_shr_tl(t1, t1, t0);
5204     tcg_gen_rotr_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
5205     gen_load_spr(t2, SPR_MQ);
5206     gen_store_spr(SPR_MQ, t0);
5207     tcg_gen_and_tl(t0, t0, t1);
5208     tcg_gen_andc_tl(t2, t2, t1);
5209     tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t2);
5210     tcg_temp_free(t0);
5211     tcg_temp_free(t1);
5212     tcg_temp_free(t2);
5213     if (unlikely(Rc(ctx->opcode) != 0))
5214         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5215 }
5216 
5217 /* sriq */
5218 static void gen_sriq(DisasContext *ctx)
5219 {
5220     int sh = SH(ctx->opcode);
5221     TCGv t0 = tcg_temp_new();
5222     TCGv t1 = tcg_temp_new();
5223     tcg_gen_shri_tl(t0, cpu_gpr[rS(ctx->opcode)], sh);
5224     tcg_gen_shli_tl(t1, cpu_gpr[rS(ctx->opcode)], 32 - sh);
5225     tcg_gen_or_tl(t1, t0, t1);
5226     tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
5227     gen_store_spr(SPR_MQ, t1);
5228     tcg_temp_free(t0);
5229     tcg_temp_free(t1);
5230     if (unlikely(Rc(ctx->opcode) != 0))
5231         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5232 }
5233 
5234 /* srliq */
5235 static void gen_srliq(DisasContext *ctx)
5236 {
5237     int sh = SH(ctx->opcode);
5238     TCGv t0 = tcg_temp_new();
5239     TCGv t1 = tcg_temp_new();
5240     tcg_gen_rotri_tl(t0, cpu_gpr[rS(ctx->opcode)], sh);
5241     gen_load_spr(t1, SPR_MQ);
5242     gen_store_spr(SPR_MQ, t0);
5243     tcg_gen_andi_tl(t0, t0,  (0xFFFFFFFFU >> sh));
5244     tcg_gen_andi_tl(t1, t1, ~(0xFFFFFFFFU >> sh));
5245     tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
5246     tcg_temp_free(t0);
5247     tcg_temp_free(t1);
5248     if (unlikely(Rc(ctx->opcode) != 0))
5249         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5250 }
5251 
5252 /* srlq */
5253 static void gen_srlq(DisasContext *ctx)
5254 {
5255     TCGLabel *l1 = gen_new_label();
5256     TCGLabel *l2 = gen_new_label();
5257     TCGv t0 = tcg_temp_local_new();
5258     TCGv t1 = tcg_temp_local_new();
5259     TCGv t2 = tcg_temp_local_new();
5260     tcg_gen_andi_tl(t2, cpu_gpr[rB(ctx->opcode)], 0x1F);
5261     tcg_gen_movi_tl(t1, 0xFFFFFFFF);
5262     tcg_gen_shr_tl(t2, t1, t2);
5263     tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x20);
5264     tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1);
5265     gen_load_spr(t0, SPR_MQ);
5266     tcg_gen_and_tl(cpu_gpr[rA(ctx->opcode)], t0, t2);
5267     tcg_gen_br(l2);
5268     gen_set_label(l1);
5269     tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t2);
5270     tcg_gen_and_tl(t0, t0, t2);
5271     gen_load_spr(t1, SPR_MQ);
5272     tcg_gen_andc_tl(t1, t1, t2);
5273     tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
5274     gen_set_label(l2);
5275     tcg_temp_free(t0);
5276     tcg_temp_free(t1);
5277     tcg_temp_free(t2);
5278     if (unlikely(Rc(ctx->opcode) != 0))
5279         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5280 }
5281 
5282 /* srq */
5283 static void gen_srq(DisasContext *ctx)
5284 {
5285     TCGLabel *l1 = gen_new_label();
5286     TCGv t0 = tcg_temp_new();
5287     TCGv t1 = tcg_temp_new();
5288     tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F);
5289     tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t1);
5290     tcg_gen_subfi_tl(t1, 32, t1);
5291     tcg_gen_shl_tl(t1, cpu_gpr[rS(ctx->opcode)], t1);
5292     tcg_gen_or_tl(t1, t0, t1);
5293     gen_store_spr(SPR_MQ, t1);
5294     tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x20);
5295     tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
5296     tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1);
5297     tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0);
5298     gen_set_label(l1);
5299     tcg_temp_free(t0);
5300     tcg_temp_free(t1);
5301     if (unlikely(Rc(ctx->opcode) != 0))
5302         gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5303 }
5304 
5305 /* PowerPC 602 specific instructions */
5306 
5307 /* dsa  */
5308 static void gen_dsa(DisasContext *ctx)
5309 {
5310     /* XXX: TODO */
5311     gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
5312 }
5313 
5314 /* esa */
5315 static void gen_esa(DisasContext *ctx)
5316 {
5317     /* XXX: TODO */
5318     gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
5319 }
5320 
5321 /* mfrom */
5322 static void gen_mfrom(DisasContext *ctx)
5323 {
5324 #if defined(CONFIG_USER_ONLY)
5325     GEN_PRIV;
5326 #else
5327     CHK_SV;
5328     gen_helper_602_mfrom(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
5329 #endif /* defined(CONFIG_USER_ONLY) */
5330 }
5331 
5332 /* 602 - 603 - G2 TLB management */
5333 
5334 /* tlbld */
5335 static void gen_tlbld_6xx(DisasContext *ctx)
5336 {
5337 #if defined(CONFIG_USER_ONLY)
5338     GEN_PRIV;
5339 #else
5340     CHK_SV;
5341     gen_helper_6xx_tlbd(cpu_env, cpu_gpr[rB(ctx->opcode)]);
5342 #endif /* defined(CONFIG_USER_ONLY) */
5343 }
5344 
5345 /* tlbli */
5346 static void gen_tlbli_6xx(DisasContext *ctx)
5347 {
5348 #if defined(CONFIG_USER_ONLY)
5349     GEN_PRIV;
5350 #else
5351     CHK_SV;
5352     gen_helper_6xx_tlbi(cpu_env, cpu_gpr[rB(ctx->opcode)]);
5353 #endif /* defined(CONFIG_USER_ONLY) */
5354 }
5355 
5356 /* 74xx TLB management */
5357 
5358 /* tlbld */
5359 static void gen_tlbld_74xx(DisasContext *ctx)
5360 {
5361 #if defined(CONFIG_USER_ONLY)
5362     GEN_PRIV;
5363 #else
5364     CHK_SV;
5365     gen_helper_74xx_tlbd(cpu_env, cpu_gpr[rB(ctx->opcode)]);
5366 #endif /* defined(CONFIG_USER_ONLY) */
5367 }
5368 
5369 /* tlbli */
5370 static void gen_tlbli_74xx(DisasContext *ctx)
5371 {
5372 #if defined(CONFIG_USER_ONLY)
5373     GEN_PRIV;
5374 #else
5375     CHK_SV;
5376     gen_helper_74xx_tlbi(cpu_env, cpu_gpr[rB(ctx->opcode)]);
5377 #endif /* defined(CONFIG_USER_ONLY) */
5378 }
5379 
5380 /* POWER instructions not in PowerPC 601 */
5381 
5382 /* clf */
5383 static void gen_clf(DisasContext *ctx)
5384 {
5385     /* Cache line flush: implemented as no-op */
5386 }
5387 
5388 /* cli */
5389 static void gen_cli(DisasContext *ctx)
5390 {
5391 #if defined(CONFIG_USER_ONLY)
5392     GEN_PRIV;
5393 #else
5394     /* Cache line invalidate: privileged and treated as no-op */
5395     CHK_SV;
5396 #endif /* defined(CONFIG_USER_ONLY) */
5397 }
5398 
5399 /* dclst */
5400 static void gen_dclst(DisasContext *ctx)
5401 {
5402     /* Data cache line store: treated as no-op */
5403 }
5404 
5405 static void gen_mfsri(DisasContext *ctx)
5406 {
5407 #if defined(CONFIG_USER_ONLY)
5408     GEN_PRIV;
5409 #else
5410     int ra = rA(ctx->opcode);
5411     int rd = rD(ctx->opcode);
5412     TCGv t0;
5413 
5414     CHK_SV;
5415     t0 = tcg_temp_new();
5416     gen_addr_reg_index(ctx, t0);
5417     tcg_gen_shri_tl(t0, t0, 28);
5418     tcg_gen_andi_tl(t0, t0, 0xF);
5419     gen_helper_load_sr(cpu_gpr[rd], cpu_env, t0);
5420     tcg_temp_free(t0);
5421     if (ra != 0 && ra != rd)
5422         tcg_gen_mov_tl(cpu_gpr[ra], cpu_gpr[rd]);
5423 #endif /* defined(CONFIG_USER_ONLY) */
5424 }
5425 
5426 static void gen_rac(DisasContext *ctx)
5427 {
5428 #if defined(CONFIG_USER_ONLY)
5429     GEN_PRIV;
5430 #else
5431     TCGv t0;
5432 
5433     CHK_SV;
5434     t0 = tcg_temp_new();
5435     gen_addr_reg_index(ctx, t0);
5436     gen_helper_rac(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
5437     tcg_temp_free(t0);
5438 #endif /* defined(CONFIG_USER_ONLY) */
5439 }
5440 
5441 static void gen_rfsvc(DisasContext *ctx)
5442 {
5443 #if defined(CONFIG_USER_ONLY)
5444     GEN_PRIV;
5445 #else
5446     CHK_SV;
5447 
5448     gen_helper_rfsvc(cpu_env);
5449     gen_sync_exception(ctx);
5450 #endif /* defined(CONFIG_USER_ONLY) */
5451 }
5452 
5453 /* svc is not implemented for now */
5454 
5455 /* BookE specific instructions */
5456 
5457 /* XXX: not implemented on 440 ? */
5458 static void gen_mfapidi(DisasContext *ctx)
5459 {
5460     /* XXX: TODO */
5461     gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
5462 }
5463 
5464 /* XXX: not implemented on 440 ? */
5465 static void gen_tlbiva(DisasContext *ctx)
5466 {
5467 #if defined(CONFIG_USER_ONLY)
5468     GEN_PRIV;
5469 #else
5470     TCGv t0;
5471 
5472     CHK_SV;
5473     t0 = tcg_temp_new();
5474     gen_addr_reg_index(ctx, t0);
5475     gen_helper_tlbiva(cpu_env, cpu_gpr[rB(ctx->opcode)]);
5476     tcg_temp_free(t0);
5477 #endif /* defined(CONFIG_USER_ONLY) */
5478 }
5479 
5480 /* All 405 MAC instructions are translated here */
5481 static inline void gen_405_mulladd_insn(DisasContext *ctx, int opc2, int opc3,
5482                                         int ra, int rb, int rt, int Rc)
5483 {
5484     TCGv t0, t1;
5485 
5486     t0 = tcg_temp_local_new();
5487     t1 = tcg_temp_local_new();
5488 
5489     switch (opc3 & 0x0D) {
5490     case 0x05:
5491         /* macchw    - macchw.    - macchwo   - macchwo.   */
5492         /* macchws   - macchws.   - macchwso  - macchwso.  */
5493         /* nmacchw   - nmacchw.   - nmacchwo  - nmacchwo.  */
5494         /* nmacchws  - nmacchws.  - nmacchwso - nmacchwso. */
5495         /* mulchw - mulchw. */
5496         tcg_gen_ext16s_tl(t0, cpu_gpr[ra]);
5497         tcg_gen_sari_tl(t1, cpu_gpr[rb], 16);
5498         tcg_gen_ext16s_tl(t1, t1);
5499         break;
5500     case 0x04:
5501         /* macchwu   - macchwu.   - macchwuo  - macchwuo.  */
5502         /* macchwsu  - macchwsu.  - macchwsuo - macchwsuo. */
5503         /* mulchwu - mulchwu. */
5504         tcg_gen_ext16u_tl(t0, cpu_gpr[ra]);
5505         tcg_gen_shri_tl(t1, cpu_gpr[rb], 16);
5506         tcg_gen_ext16u_tl(t1, t1);
5507         break;
5508     case 0x01:
5509         /* machhw    - machhw.    - machhwo   - machhwo.   */
5510         /* machhws   - machhws.   - machhwso  - machhwso.  */
5511         /* nmachhw   - nmachhw.   - nmachhwo  - nmachhwo.  */
5512         /* nmachhws  - nmachhws.  - nmachhwso - nmachhwso. */
5513         /* mulhhw - mulhhw. */
5514         tcg_gen_sari_tl(t0, cpu_gpr[ra], 16);
5515         tcg_gen_ext16s_tl(t0, t0);
5516         tcg_gen_sari_tl(t1, cpu_gpr[rb], 16);
5517         tcg_gen_ext16s_tl(t1, t1);
5518         break;
5519     case 0x00:
5520         /* machhwu   - machhwu.   - machhwuo  - machhwuo.  */
5521         /* machhwsu  - machhwsu.  - machhwsuo - machhwsuo. */
5522         /* mulhhwu - mulhhwu. */
5523         tcg_gen_shri_tl(t0, cpu_gpr[ra], 16);
5524         tcg_gen_ext16u_tl(t0, t0);
5525         tcg_gen_shri_tl(t1, cpu_gpr[rb], 16);
5526         tcg_gen_ext16u_tl(t1, t1);
5527         break;
5528     case 0x0D:
5529         /* maclhw    - maclhw.    - maclhwo   - maclhwo.   */
5530         /* maclhws   - maclhws.   - maclhwso  - maclhwso.  */
5531         /* nmaclhw   - nmaclhw.   - nmaclhwo  - nmaclhwo.  */
5532         /* nmaclhws  - nmaclhws.  - nmaclhwso - nmaclhwso. */
5533         /* mullhw - mullhw. */
5534         tcg_gen_ext16s_tl(t0, cpu_gpr[ra]);
5535         tcg_gen_ext16s_tl(t1, cpu_gpr[rb]);
5536         break;
5537     case 0x0C:
5538         /* maclhwu   - maclhwu.   - maclhwuo  - maclhwuo.  */
5539         /* maclhwsu  - maclhwsu.  - maclhwsuo - maclhwsuo. */
5540         /* mullhwu - mullhwu. */
5541         tcg_gen_ext16u_tl(t0, cpu_gpr[ra]);
5542         tcg_gen_ext16u_tl(t1, cpu_gpr[rb]);
5543         break;
5544     }
5545     if (opc2 & 0x04) {
5546         /* (n)multiply-and-accumulate (0x0C / 0x0E) */
5547         tcg_gen_mul_tl(t1, t0, t1);
5548         if (opc2 & 0x02) {
5549             /* nmultiply-and-accumulate (0x0E) */
5550             tcg_gen_sub_tl(t0, cpu_gpr[rt], t1);
5551         } else {
5552             /* multiply-and-accumulate (0x0C) */
5553             tcg_gen_add_tl(t0, cpu_gpr[rt], t1);
5554         }
5555 
5556         if (opc3 & 0x12) {
5557             /* Check overflow and/or saturate */
5558             TCGLabel *l1 = gen_new_label();
5559 
5560             if (opc3 & 0x10) {
5561                 /* Start with XER OV disabled, the most likely case */
5562                 tcg_gen_movi_tl(cpu_ov, 0);
5563             }
5564             if (opc3 & 0x01) {
5565                 /* Signed */
5566                 tcg_gen_xor_tl(t1, cpu_gpr[rt], t1);
5567                 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1);
5568                 tcg_gen_xor_tl(t1, cpu_gpr[rt], t0);
5569                 tcg_gen_brcondi_tl(TCG_COND_LT, t1, 0, l1);
5570                 if (opc3 & 0x02) {
5571                     /* Saturate */
5572                     tcg_gen_sari_tl(t0, cpu_gpr[rt], 31);
5573                     tcg_gen_xori_tl(t0, t0, 0x7fffffff);
5574                 }
5575             } else {
5576                 /* Unsigned */
5577                 tcg_gen_brcond_tl(TCG_COND_GEU, t0, t1, l1);
5578                 if (opc3 & 0x02) {
5579                     /* Saturate */
5580                     tcg_gen_movi_tl(t0, UINT32_MAX);
5581                 }
5582             }
5583             if (opc3 & 0x10) {
5584                 /* Check overflow */
5585                 tcg_gen_movi_tl(cpu_ov, 1);
5586                 tcg_gen_movi_tl(cpu_so, 1);
5587             }
5588             gen_set_label(l1);
5589             tcg_gen_mov_tl(cpu_gpr[rt], t0);
5590         }
5591     } else {
5592         tcg_gen_mul_tl(cpu_gpr[rt], t0, t1);
5593     }
5594     tcg_temp_free(t0);
5595     tcg_temp_free(t1);
5596     if (unlikely(Rc) != 0) {
5597         /* Update Rc0 */
5598         gen_set_Rc0(ctx, cpu_gpr[rt]);
5599     }
5600 }
5601 
5602 #define GEN_MAC_HANDLER(name, opc2, opc3)                                     \
5603 static void glue(gen_, name)(DisasContext *ctx)                               \
5604 {                                                                             \
5605     gen_405_mulladd_insn(ctx, opc2, opc3, rA(ctx->opcode), rB(ctx->opcode),   \
5606                          rD(ctx->opcode), Rc(ctx->opcode));                   \
5607 }
5608 
5609 /* macchw    - macchw.    */
5610 GEN_MAC_HANDLER(macchw, 0x0C, 0x05);
5611 /* macchwo   - macchwo.   */
5612 GEN_MAC_HANDLER(macchwo, 0x0C, 0x15);
5613 /* macchws   - macchws.   */
5614 GEN_MAC_HANDLER(macchws, 0x0C, 0x07);
5615 /* macchwso  - macchwso.  */
5616 GEN_MAC_HANDLER(macchwso, 0x0C, 0x17);
5617 /* macchwsu  - macchwsu.  */
5618 GEN_MAC_HANDLER(macchwsu, 0x0C, 0x06);
5619 /* macchwsuo - macchwsuo. */
5620 GEN_MAC_HANDLER(macchwsuo, 0x0C, 0x16);
5621 /* macchwu   - macchwu.   */
5622 GEN_MAC_HANDLER(macchwu, 0x0C, 0x04);
5623 /* macchwuo  - macchwuo.  */
5624 GEN_MAC_HANDLER(macchwuo, 0x0C, 0x14);
5625 /* machhw    - machhw.    */
5626 GEN_MAC_HANDLER(machhw, 0x0C, 0x01);
5627 /* machhwo   - machhwo.   */
5628 GEN_MAC_HANDLER(machhwo, 0x0C, 0x11);
5629 /* machhws   - machhws.   */
5630 GEN_MAC_HANDLER(machhws, 0x0C, 0x03);
5631 /* machhwso  - machhwso.  */
5632 GEN_MAC_HANDLER(machhwso, 0x0C, 0x13);
5633 /* machhwsu  - machhwsu.  */
5634 GEN_MAC_HANDLER(machhwsu, 0x0C, 0x02);
5635 /* machhwsuo - machhwsuo. */
5636 GEN_MAC_HANDLER(machhwsuo, 0x0C, 0x12);
5637 /* machhwu   - machhwu.   */
5638 GEN_MAC_HANDLER(machhwu, 0x0C, 0x00);
5639 /* machhwuo  - machhwuo.  */
5640 GEN_MAC_HANDLER(machhwuo, 0x0C, 0x10);
5641 /* maclhw    - maclhw.    */
5642 GEN_MAC_HANDLER(maclhw, 0x0C, 0x0D);
5643 /* maclhwo   - maclhwo.   */
5644 GEN_MAC_HANDLER(maclhwo, 0x0C, 0x1D);
5645 /* maclhws   - maclhws.   */
5646 GEN_MAC_HANDLER(maclhws, 0x0C, 0x0F);
5647 /* maclhwso  - maclhwso.  */
5648 GEN_MAC_HANDLER(maclhwso, 0x0C, 0x1F);
5649 /* maclhwu   - maclhwu.   */
5650 GEN_MAC_HANDLER(maclhwu, 0x0C, 0x0C);
5651 /* maclhwuo  - maclhwuo.  */
5652 GEN_MAC_HANDLER(maclhwuo, 0x0C, 0x1C);
5653 /* maclhwsu  - maclhwsu.  */
5654 GEN_MAC_HANDLER(maclhwsu, 0x0C, 0x0E);
5655 /* maclhwsuo - maclhwsuo. */
5656 GEN_MAC_HANDLER(maclhwsuo, 0x0C, 0x1E);
5657 /* nmacchw   - nmacchw.   */
5658 GEN_MAC_HANDLER(nmacchw, 0x0E, 0x05);
5659 /* nmacchwo  - nmacchwo.  */
5660 GEN_MAC_HANDLER(nmacchwo, 0x0E, 0x15);
5661 /* nmacchws  - nmacchws.  */
5662 GEN_MAC_HANDLER(nmacchws, 0x0E, 0x07);
5663 /* nmacchwso - nmacchwso. */
5664 GEN_MAC_HANDLER(nmacchwso, 0x0E, 0x17);
5665 /* nmachhw   - nmachhw.   */
5666 GEN_MAC_HANDLER(nmachhw, 0x0E, 0x01);
5667 /* nmachhwo  - nmachhwo.  */
5668 GEN_MAC_HANDLER(nmachhwo, 0x0E, 0x11);
5669 /* nmachhws  - nmachhws.  */
5670 GEN_MAC_HANDLER(nmachhws, 0x0E, 0x03);
5671 /* nmachhwso - nmachhwso. */
5672 GEN_MAC_HANDLER(nmachhwso, 0x0E, 0x13);
5673 /* nmaclhw   - nmaclhw.   */
5674 GEN_MAC_HANDLER(nmaclhw, 0x0E, 0x0D);
5675 /* nmaclhwo  - nmaclhwo.  */
5676 GEN_MAC_HANDLER(nmaclhwo, 0x0E, 0x1D);
5677 /* nmaclhws  - nmaclhws.  */
5678 GEN_MAC_HANDLER(nmaclhws, 0x0E, 0x0F);
5679 /* nmaclhwso - nmaclhwso. */
5680 GEN_MAC_HANDLER(nmaclhwso, 0x0E, 0x1F);
5681 
5682 /* mulchw  - mulchw.  */
5683 GEN_MAC_HANDLER(mulchw, 0x08, 0x05);
5684 /* mulchwu - mulchwu. */
5685 GEN_MAC_HANDLER(mulchwu, 0x08, 0x04);
5686 /* mulhhw  - mulhhw.  */
5687 GEN_MAC_HANDLER(mulhhw, 0x08, 0x01);
5688 /* mulhhwu - mulhhwu. */
5689 GEN_MAC_HANDLER(mulhhwu, 0x08, 0x00);
5690 /* mullhw  - mullhw.  */
5691 GEN_MAC_HANDLER(mullhw, 0x08, 0x0D);
5692 /* mullhwu - mullhwu. */
5693 GEN_MAC_HANDLER(mullhwu, 0x08, 0x0C);
5694 
5695 /* mfdcr */
5696 static void gen_mfdcr(DisasContext *ctx)
5697 {
5698 #if defined(CONFIG_USER_ONLY)
5699     GEN_PRIV;
5700 #else
5701     TCGv dcrn;
5702 
5703     CHK_SV;
5704     dcrn = tcg_const_tl(SPR(ctx->opcode));
5705     gen_helper_load_dcr(cpu_gpr[rD(ctx->opcode)], cpu_env, dcrn);
5706     tcg_temp_free(dcrn);
5707 #endif /* defined(CONFIG_USER_ONLY) */
5708 }
5709 
5710 /* mtdcr */
5711 static void gen_mtdcr(DisasContext *ctx)
5712 {
5713 #if defined(CONFIG_USER_ONLY)
5714     GEN_PRIV;
5715 #else
5716     TCGv dcrn;
5717 
5718     CHK_SV;
5719     dcrn = tcg_const_tl(SPR(ctx->opcode));
5720     gen_helper_store_dcr(cpu_env, dcrn, cpu_gpr[rS(ctx->opcode)]);
5721     tcg_temp_free(dcrn);
5722 #endif /* defined(CONFIG_USER_ONLY) */
5723 }
5724 
5725 /* mfdcrx */
5726 /* XXX: not implemented on 440 ? */
5727 static void gen_mfdcrx(DisasContext *ctx)
5728 {
5729 #if defined(CONFIG_USER_ONLY)
5730     GEN_PRIV;
5731 #else
5732     CHK_SV;
5733     gen_helper_load_dcr(cpu_gpr[rD(ctx->opcode)], cpu_env,
5734                         cpu_gpr[rA(ctx->opcode)]);
5735     /* Note: Rc update flag set leads to undefined state of Rc0 */
5736 #endif /* defined(CONFIG_USER_ONLY) */
5737 }
5738 
5739 /* mtdcrx */
5740 /* XXX: not implemented on 440 ? */
5741 static void gen_mtdcrx(DisasContext *ctx)
5742 {
5743 #if defined(CONFIG_USER_ONLY)
5744     GEN_PRIV;
5745 #else
5746     CHK_SV;
5747     gen_helper_store_dcr(cpu_env, cpu_gpr[rA(ctx->opcode)],
5748                          cpu_gpr[rS(ctx->opcode)]);
5749     /* Note: Rc update flag set leads to undefined state of Rc0 */
5750 #endif /* defined(CONFIG_USER_ONLY) */
5751 }
5752 
5753 /* mfdcrux (PPC 460) : user-mode access to DCR */
5754 static void gen_mfdcrux(DisasContext *ctx)
5755 {
5756     gen_helper_load_dcr(cpu_gpr[rD(ctx->opcode)], cpu_env,
5757                         cpu_gpr[rA(ctx->opcode)]);
5758     /* Note: Rc update flag set leads to undefined state of Rc0 */
5759 }
5760 
5761 /* mtdcrux (PPC 460) : user-mode access to DCR */
5762 static void gen_mtdcrux(DisasContext *ctx)
5763 {
5764     gen_helper_store_dcr(cpu_env, cpu_gpr[rA(ctx->opcode)],
5765                          cpu_gpr[rS(ctx->opcode)]);
5766     /* Note: Rc update flag set leads to undefined state of Rc0 */
5767 }
5768 
5769 /* dccci */
5770 static void gen_dccci(DisasContext *ctx)
5771 {
5772     CHK_SV;
5773     /* interpreted as no-op */
5774 }
5775 
5776 /* dcread */
5777 static void gen_dcread(DisasContext *ctx)
5778 {
5779 #if defined(CONFIG_USER_ONLY)
5780     GEN_PRIV;
5781 #else
5782     TCGv EA, val;
5783 
5784     CHK_SV;
5785     gen_set_access_type(ctx, ACCESS_CACHE);
5786     EA = tcg_temp_new();
5787     gen_addr_reg_index(ctx, EA);
5788     val = tcg_temp_new();
5789     gen_qemu_ld32u(ctx, val, EA);
5790     tcg_temp_free(val);
5791     tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], EA);
5792     tcg_temp_free(EA);
5793 #endif /* defined(CONFIG_USER_ONLY) */
5794 }
5795 
5796 /* icbt */
5797 static void gen_icbt_40x(DisasContext *ctx)
5798 {
5799     /* interpreted as no-op */
5800     /* XXX: specification say this is treated as a load by the MMU
5801      *      but does not generate any exception
5802      */
5803 }
5804 
5805 /* iccci */
5806 static void gen_iccci(DisasContext *ctx)
5807 {
5808     CHK_SV;
5809     /* interpreted as no-op */
5810 }
5811 
5812 /* icread */
5813 static void gen_icread(DisasContext *ctx)
5814 {
5815     CHK_SV;
5816     /* interpreted as no-op */
5817 }
5818 
5819 /* rfci (supervisor only) */
5820 static void gen_rfci_40x(DisasContext *ctx)
5821 {
5822 #if defined(CONFIG_USER_ONLY)
5823     GEN_PRIV;
5824 #else
5825     CHK_SV;
5826     /* Restore CPU state */
5827     gen_helper_40x_rfci(cpu_env);
5828     gen_sync_exception(ctx);
5829 #endif /* defined(CONFIG_USER_ONLY) */
5830 }
5831 
5832 static void gen_rfci(DisasContext *ctx)
5833 {
5834 #if defined(CONFIG_USER_ONLY)
5835     GEN_PRIV;
5836 #else
5837     CHK_SV;
5838     /* Restore CPU state */
5839     gen_helper_rfci(cpu_env);
5840     gen_sync_exception(ctx);
5841 #endif /* defined(CONFIG_USER_ONLY) */
5842 }
5843 
5844 /* BookE specific */
5845 
5846 /* XXX: not implemented on 440 ? */
5847 static void gen_rfdi(DisasContext *ctx)
5848 {
5849 #if defined(CONFIG_USER_ONLY)
5850     GEN_PRIV;
5851 #else
5852     CHK_SV;
5853     /* Restore CPU state */
5854     gen_helper_rfdi(cpu_env);
5855     gen_sync_exception(ctx);
5856 #endif /* defined(CONFIG_USER_ONLY) */
5857 }
5858 
5859 /* XXX: not implemented on 440 ? */
5860 static void gen_rfmci(DisasContext *ctx)
5861 {
5862 #if defined(CONFIG_USER_ONLY)
5863     GEN_PRIV;
5864 #else
5865     CHK_SV;
5866     /* Restore CPU state */
5867     gen_helper_rfmci(cpu_env);
5868     gen_sync_exception(ctx);
5869 #endif /* defined(CONFIG_USER_ONLY) */
5870 }
5871 
5872 /* TLB management - PowerPC 405 implementation */
5873 
5874 /* tlbre */
5875 static void gen_tlbre_40x(DisasContext *ctx)
5876 {
5877 #if defined(CONFIG_USER_ONLY)
5878     GEN_PRIV;
5879 #else
5880     CHK_SV;
5881     switch (rB(ctx->opcode)) {
5882     case 0:
5883         gen_helper_4xx_tlbre_hi(cpu_gpr[rD(ctx->opcode)], cpu_env,
5884                                 cpu_gpr[rA(ctx->opcode)]);
5885         break;
5886     case 1:
5887         gen_helper_4xx_tlbre_lo(cpu_gpr[rD(ctx->opcode)], cpu_env,
5888                                 cpu_gpr[rA(ctx->opcode)]);
5889         break;
5890     default:
5891         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
5892         break;
5893     }
5894 #endif /* defined(CONFIG_USER_ONLY) */
5895 }
5896 
5897 /* tlbsx - tlbsx. */
5898 static void gen_tlbsx_40x(DisasContext *ctx)
5899 {
5900 #if defined(CONFIG_USER_ONLY)
5901     GEN_PRIV;
5902 #else
5903     TCGv t0;
5904 
5905     CHK_SV;
5906     t0 = tcg_temp_new();
5907     gen_addr_reg_index(ctx, t0);
5908     gen_helper_4xx_tlbsx(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
5909     tcg_temp_free(t0);
5910     if (Rc(ctx->opcode)) {
5911         TCGLabel *l1 = gen_new_label();
5912         tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so);
5913         tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[rD(ctx->opcode)], -1, l1);
5914         tcg_gen_ori_i32(cpu_crf[0], cpu_crf[0], 0x02);
5915         gen_set_label(l1);
5916     }
5917 #endif /* defined(CONFIG_USER_ONLY) */
5918 }
5919 
5920 /* tlbwe */
5921 static void gen_tlbwe_40x(DisasContext *ctx)
5922 {
5923 #if defined(CONFIG_USER_ONLY)
5924     GEN_PRIV;
5925 #else
5926     CHK_SV;
5927 
5928     switch (rB(ctx->opcode)) {
5929     case 0:
5930         gen_helper_4xx_tlbwe_hi(cpu_env, cpu_gpr[rA(ctx->opcode)],
5931                                 cpu_gpr[rS(ctx->opcode)]);
5932         break;
5933     case 1:
5934         gen_helper_4xx_tlbwe_lo(cpu_env, cpu_gpr[rA(ctx->opcode)],
5935                                 cpu_gpr[rS(ctx->opcode)]);
5936         break;
5937     default:
5938         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
5939         break;
5940     }
5941 #endif /* defined(CONFIG_USER_ONLY) */
5942 }
5943 
5944 /* TLB management - PowerPC 440 implementation */
5945 
5946 /* tlbre */
5947 static void gen_tlbre_440(DisasContext *ctx)
5948 {
5949 #if defined(CONFIG_USER_ONLY)
5950     GEN_PRIV;
5951 #else
5952     CHK_SV;
5953 
5954     switch (rB(ctx->opcode)) {
5955     case 0:
5956     case 1:
5957     case 2:
5958         {
5959             TCGv_i32 t0 = tcg_const_i32(rB(ctx->opcode));
5960             gen_helper_440_tlbre(cpu_gpr[rD(ctx->opcode)], cpu_env,
5961                                  t0, cpu_gpr[rA(ctx->opcode)]);
5962             tcg_temp_free_i32(t0);
5963         }
5964         break;
5965     default:
5966         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
5967         break;
5968     }
5969 #endif /* defined(CONFIG_USER_ONLY) */
5970 }
5971 
5972 /* tlbsx - tlbsx. */
5973 static void gen_tlbsx_440(DisasContext *ctx)
5974 {
5975 #if defined(CONFIG_USER_ONLY)
5976     GEN_PRIV;
5977 #else
5978     TCGv t0;
5979 
5980     CHK_SV;
5981     t0 = tcg_temp_new();
5982     gen_addr_reg_index(ctx, t0);
5983     gen_helper_440_tlbsx(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
5984     tcg_temp_free(t0);
5985     if (Rc(ctx->opcode)) {
5986         TCGLabel *l1 = gen_new_label();
5987         tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so);
5988         tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[rD(ctx->opcode)], -1, l1);
5989         tcg_gen_ori_i32(cpu_crf[0], cpu_crf[0], 0x02);
5990         gen_set_label(l1);
5991     }
5992 #endif /* defined(CONFIG_USER_ONLY) */
5993 }
5994 
5995 /* tlbwe */
5996 static void gen_tlbwe_440(DisasContext *ctx)
5997 {
5998 #if defined(CONFIG_USER_ONLY)
5999     GEN_PRIV;
6000 #else
6001     CHK_SV;
6002     switch (rB(ctx->opcode)) {
6003     case 0:
6004     case 1:
6005     case 2:
6006         {
6007             TCGv_i32 t0 = tcg_const_i32(rB(ctx->opcode));
6008             gen_helper_440_tlbwe(cpu_env, t0, cpu_gpr[rA(ctx->opcode)],
6009                                  cpu_gpr[rS(ctx->opcode)]);
6010             tcg_temp_free_i32(t0);
6011         }
6012         break;
6013     default:
6014         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
6015         break;
6016     }
6017 #endif /* defined(CONFIG_USER_ONLY) */
6018 }
6019 
6020 /* TLB management - PowerPC BookE 2.06 implementation */
6021 
6022 /* tlbre */
6023 static void gen_tlbre_booke206(DisasContext *ctx)
6024 {
6025  #if defined(CONFIG_USER_ONLY)
6026     GEN_PRIV;
6027 #else
6028    CHK_SV;
6029     gen_helper_booke206_tlbre(cpu_env);
6030 #endif /* defined(CONFIG_USER_ONLY) */
6031 }
6032 
6033 /* tlbsx - tlbsx. */
6034 static void gen_tlbsx_booke206(DisasContext *ctx)
6035 {
6036 #if defined(CONFIG_USER_ONLY)
6037     GEN_PRIV;
6038 #else
6039     TCGv t0;
6040 
6041     CHK_SV;
6042     if (rA(ctx->opcode)) {
6043         t0 = tcg_temp_new();
6044         tcg_gen_mov_tl(t0, cpu_gpr[rD(ctx->opcode)]);
6045     } else {
6046         t0 = tcg_const_tl(0);
6047     }
6048 
6049     tcg_gen_add_tl(t0, t0, cpu_gpr[rB(ctx->opcode)]);
6050     gen_helper_booke206_tlbsx(cpu_env, t0);
6051     tcg_temp_free(t0);
6052 #endif /* defined(CONFIG_USER_ONLY) */
6053 }
6054 
6055 /* tlbwe */
6056 static void gen_tlbwe_booke206(DisasContext *ctx)
6057 {
6058 #if defined(CONFIG_USER_ONLY)
6059     GEN_PRIV;
6060 #else
6061     CHK_SV;
6062     gen_helper_booke206_tlbwe(cpu_env);
6063 #endif /* defined(CONFIG_USER_ONLY) */
6064 }
6065 
6066 static void gen_tlbivax_booke206(DisasContext *ctx)
6067 {
6068 #if defined(CONFIG_USER_ONLY)
6069     GEN_PRIV;
6070 #else
6071     TCGv t0;
6072 
6073     CHK_SV;
6074     t0 = tcg_temp_new();
6075     gen_addr_reg_index(ctx, t0);
6076     gen_helper_booke206_tlbivax(cpu_env, t0);
6077     tcg_temp_free(t0);
6078 #endif /* defined(CONFIG_USER_ONLY) */
6079 }
6080 
6081 static void gen_tlbilx_booke206(DisasContext *ctx)
6082 {
6083 #if defined(CONFIG_USER_ONLY)
6084     GEN_PRIV;
6085 #else
6086     TCGv t0;
6087 
6088     CHK_SV;
6089     t0 = tcg_temp_new();
6090     gen_addr_reg_index(ctx, t0);
6091 
6092     switch((ctx->opcode >> 21) & 0x3) {
6093     case 0:
6094         gen_helper_booke206_tlbilx0(cpu_env, t0);
6095         break;
6096     case 1:
6097         gen_helper_booke206_tlbilx1(cpu_env, t0);
6098         break;
6099     case 3:
6100         gen_helper_booke206_tlbilx3(cpu_env, t0);
6101         break;
6102     default:
6103         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
6104         break;
6105     }
6106 
6107     tcg_temp_free(t0);
6108 #endif /* defined(CONFIG_USER_ONLY) */
6109 }
6110 
6111 
6112 /* wrtee */
6113 static void gen_wrtee(DisasContext *ctx)
6114 {
6115 #if defined(CONFIG_USER_ONLY)
6116     GEN_PRIV;
6117 #else
6118     TCGv t0;
6119 
6120     CHK_SV;
6121     t0 = tcg_temp_new();
6122     tcg_gen_andi_tl(t0, cpu_gpr[rD(ctx->opcode)], (1 << MSR_EE));
6123     tcg_gen_andi_tl(cpu_msr, cpu_msr, ~(1 << MSR_EE));
6124     tcg_gen_or_tl(cpu_msr, cpu_msr, t0);
6125     tcg_temp_free(t0);
6126     /* Stop translation to have a chance to raise an exception
6127      * if we just set msr_ee to 1
6128      */
6129     gen_stop_exception(ctx);
6130 #endif /* defined(CONFIG_USER_ONLY) */
6131 }
6132 
6133 /* wrteei */
6134 static void gen_wrteei(DisasContext *ctx)
6135 {
6136 #if defined(CONFIG_USER_ONLY)
6137     GEN_PRIV;
6138 #else
6139     CHK_SV;
6140     if (ctx->opcode & 0x00008000) {
6141         tcg_gen_ori_tl(cpu_msr, cpu_msr, (1 << MSR_EE));
6142         /* Stop translation to have a chance to raise an exception */
6143         gen_stop_exception(ctx);
6144     } else {
6145         tcg_gen_andi_tl(cpu_msr, cpu_msr, ~(1 << MSR_EE));
6146     }
6147 #endif /* defined(CONFIG_USER_ONLY) */
6148 }
6149 
6150 /* PowerPC 440 specific instructions */
6151 
6152 /* dlmzb */
6153 static void gen_dlmzb(DisasContext *ctx)
6154 {
6155     TCGv_i32 t0 = tcg_const_i32(Rc(ctx->opcode));
6156     gen_helper_dlmzb(cpu_gpr[rA(ctx->opcode)], cpu_env,
6157                      cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], t0);
6158     tcg_temp_free_i32(t0);
6159 }
6160 
6161 /* mbar replaces eieio on 440 */
6162 static void gen_mbar(DisasContext *ctx)
6163 {
6164     /* interpreted as no-op */
6165 }
6166 
6167 /* msync replaces sync on 440 */
6168 static void gen_msync_4xx(DisasContext *ctx)
6169 {
6170     /* interpreted as no-op */
6171 }
6172 
6173 /* icbt */
6174 static void gen_icbt_440(DisasContext *ctx)
6175 {
6176     /* interpreted as no-op */
6177     /* XXX: specification say this is treated as a load by the MMU
6178      *      but does not generate any exception
6179      */
6180 }
6181 
6182 /* Embedded.Processor Control */
6183 
6184 static void gen_msgclr(DisasContext *ctx)
6185 {
6186 #if defined(CONFIG_USER_ONLY)
6187     GEN_PRIV;
6188 #else
6189     CHK_SV;
6190     gen_helper_msgclr(cpu_env, cpu_gpr[rB(ctx->opcode)]);
6191 #endif /* defined(CONFIG_USER_ONLY) */
6192 }
6193 
6194 static void gen_msgsnd(DisasContext *ctx)
6195 {
6196 #if defined(CONFIG_USER_ONLY)
6197     GEN_PRIV;
6198 #else
6199     CHK_SV;
6200     gen_helper_msgsnd(cpu_gpr[rB(ctx->opcode)]);
6201 #endif /* defined(CONFIG_USER_ONLY) */
6202 }
6203 
6204 
6205 #if defined(TARGET_PPC64)
6206 static void gen_maddld(DisasContext *ctx)
6207 {
6208     TCGv_i64 t1 = tcg_temp_new_i64();
6209 
6210     tcg_gen_mul_i64(t1, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
6211     tcg_gen_add_i64(cpu_gpr[rD(ctx->opcode)], t1, cpu_gpr[rC(ctx->opcode)]);
6212     tcg_temp_free_i64(t1);
6213 }
6214 
6215 /* maddhd maddhdu */
6216 static void gen_maddhd_maddhdu(DisasContext *ctx)
6217 {
6218     TCGv_i64 lo = tcg_temp_new_i64();
6219     TCGv_i64 hi = tcg_temp_new_i64();
6220     TCGv_i64 t1 = tcg_temp_new_i64();
6221 
6222     if (Rc(ctx->opcode)) {
6223         tcg_gen_mulu2_i64(lo, hi, cpu_gpr[rA(ctx->opcode)],
6224                           cpu_gpr[rB(ctx->opcode)]);
6225         tcg_gen_movi_i64(t1, 0);
6226     } else {
6227         tcg_gen_muls2_i64(lo, hi, cpu_gpr[rA(ctx->opcode)],
6228                           cpu_gpr[rB(ctx->opcode)]);
6229         tcg_gen_sari_i64(t1, cpu_gpr[rC(ctx->opcode)], 63);
6230     }
6231     tcg_gen_add2_i64(t1, cpu_gpr[rD(ctx->opcode)], lo, hi,
6232                      cpu_gpr[rC(ctx->opcode)], t1);
6233     tcg_temp_free_i64(lo);
6234     tcg_temp_free_i64(hi);
6235     tcg_temp_free_i64(t1);
6236 }
6237 #endif /* defined(TARGET_PPC64) */
6238 
6239 static void gen_tbegin(DisasContext *ctx)
6240 {
6241     if (unlikely(!ctx->tm_enabled)) {
6242         gen_exception_err(ctx, POWERPC_EXCP_FU, FSCR_IC_TM);
6243         return;
6244     }
6245     gen_helper_tbegin(cpu_env);
6246 }
6247 
6248 #define GEN_TM_NOOP(name)                                      \
6249 static inline void gen_##name(DisasContext *ctx)               \
6250 {                                                              \
6251     if (unlikely(!ctx->tm_enabled)) {                          \
6252         gen_exception_err(ctx, POWERPC_EXCP_FU, FSCR_IC_TM);   \
6253         return;                                                \
6254     }                                                          \
6255     /* Because tbegin always fails in QEMU, these user         \
6256      * space instructions all have a simple implementation:    \
6257      *                                                         \
6258      *     CR[0] = 0b0 || MSR[TS] || 0b0                       \
6259      *           = 0b0 || 0b00    || 0b0                       \
6260      */                                                        \
6261     tcg_gen_movi_i32(cpu_crf[0], 0);                           \
6262 }
6263 
6264 GEN_TM_NOOP(tend);
6265 GEN_TM_NOOP(tabort);
6266 GEN_TM_NOOP(tabortwc);
6267 GEN_TM_NOOP(tabortwci);
6268 GEN_TM_NOOP(tabortdc);
6269 GEN_TM_NOOP(tabortdci);
6270 GEN_TM_NOOP(tsr);
6271 static inline void gen_cp_abort(DisasContext *ctx)
6272 {
6273     // Do Nothing
6274 }
6275 
6276 #define GEN_CP_PASTE_NOOP(name)                           \
6277 static inline void gen_##name(DisasContext *ctx)          \
6278 {                                                         \
6279     /* Generate invalid exception until                   \
6280      * we have an implementation of the copy              \
6281      * paste facility                                     \
6282      */                                                   \
6283     gen_invalid(ctx);                                     \
6284 }
6285 
6286 GEN_CP_PASTE_NOOP(copy)
6287 GEN_CP_PASTE_NOOP(paste)
6288 
6289 static void gen_tcheck(DisasContext *ctx)
6290 {
6291     if (unlikely(!ctx->tm_enabled)) {
6292         gen_exception_err(ctx, POWERPC_EXCP_FU, FSCR_IC_TM);
6293         return;
6294     }
6295     /* Because tbegin always fails, the tcheck implementation
6296      * is simple:
6297      *
6298      * CR[CRF] = TDOOMED || MSR[TS] || 0b0
6299      *         = 0b1 || 0b00 || 0b0
6300      */
6301     tcg_gen_movi_i32(cpu_crf[crfD(ctx->opcode)], 0x8);
6302 }
6303 
6304 #if defined(CONFIG_USER_ONLY)
6305 #define GEN_TM_PRIV_NOOP(name)                                 \
6306 static inline void gen_##name(DisasContext *ctx)               \
6307 {                                                              \
6308     gen_priv_exception(ctx, POWERPC_EXCP_PRIV_OPC);           \
6309 }
6310 
6311 #else
6312 
6313 #define GEN_TM_PRIV_NOOP(name)                                 \
6314 static inline void gen_##name(DisasContext *ctx)               \
6315 {                                                              \
6316     CHK_SV;                                                    \
6317     if (unlikely(!ctx->tm_enabled)) {                          \
6318         gen_exception_err(ctx, POWERPC_EXCP_FU, FSCR_IC_TM);   \
6319         return;                                                \
6320     }                                                          \
6321     /* Because tbegin always fails, the implementation is      \
6322      * simple:                                                 \
6323      *                                                         \
6324      *   CR[0] = 0b0 || MSR[TS] || 0b0                         \
6325      *         = 0b0 || 0b00 | 0b0                             \
6326      */                                                        \
6327     tcg_gen_movi_i32(cpu_crf[0], 0);                           \
6328 }
6329 
6330 #endif
6331 
6332 GEN_TM_PRIV_NOOP(treclaim);
6333 GEN_TM_PRIV_NOOP(trechkpt);
6334 
6335 #include "translate/fp-impl.inc.c"
6336 
6337 #include "translate/vmx-impl.inc.c"
6338 
6339 #include "translate/vsx-impl.inc.c"
6340 
6341 #include "translate/dfp-impl.inc.c"
6342 
6343 #include "translate/spe-impl.inc.c"
6344 
6345 /* Handles lfdp, lxsd, lxssp */
6346 static void gen_dform39(DisasContext *ctx)
6347 {
6348     switch (ctx->opcode & 0x3) {
6349     case 0: /* lfdp */
6350         if (ctx->insns_flags2 & PPC2_ISA205) {
6351             return gen_lfdp(ctx);
6352         }
6353         break;
6354     case 2: /* lxsd */
6355         if (ctx->insns_flags2 & PPC2_ISA300) {
6356             return gen_lxsd(ctx);
6357         }
6358         break;
6359     case 3: /* lxssp */
6360         if (ctx->insns_flags2 & PPC2_ISA300) {
6361             return gen_lxssp(ctx);
6362         }
6363         break;
6364     }
6365     return gen_invalid(ctx);
6366 }
6367 
6368 /* handles stfdp, lxv, stxsd, stxssp lxvx */
6369 static void gen_dform3D(DisasContext *ctx)
6370 {
6371     if ((ctx->opcode & 3) == 1) { /* DQ-FORM */
6372         switch (ctx->opcode & 0x7) {
6373         case 1: /* lxv */
6374             if (ctx->insns_flags2 & PPC2_ISA300) {
6375                 return gen_lxv(ctx);
6376             }
6377             break;
6378         case 5: /* stxv */
6379             if (ctx->insns_flags2 & PPC2_ISA300) {
6380                 return gen_stxv(ctx);
6381             }
6382             break;
6383         }
6384     } else { /* DS-FORM */
6385         switch (ctx->opcode & 0x3) {
6386         case 0: /* stfdp */
6387             if (ctx->insns_flags2 & PPC2_ISA205) {
6388                 return gen_stfdp(ctx);
6389             }
6390             break;
6391         case 2: /* stxsd */
6392             if (ctx->insns_flags2 & PPC2_ISA300) {
6393                 return gen_stxsd(ctx);
6394             }
6395             break;
6396         case 3: /* stxssp */
6397             if (ctx->insns_flags2 & PPC2_ISA300) {
6398                 return gen_stxssp(ctx);
6399             }
6400             break;
6401         }
6402     }
6403     return gen_invalid(ctx);
6404 }
6405 
6406 static opcode_t opcodes[] = {
6407 GEN_HANDLER(invalid, 0x00, 0x00, 0x00, 0xFFFFFFFF, PPC_NONE),
6408 GEN_HANDLER(cmp, 0x1F, 0x00, 0x00, 0x00400000, PPC_INTEGER),
6409 GEN_HANDLER(cmpi, 0x0B, 0xFF, 0xFF, 0x00400000, PPC_INTEGER),
6410 GEN_HANDLER(cmpl, 0x1F, 0x00, 0x01, 0x00400001, PPC_INTEGER),
6411 GEN_HANDLER(cmpli, 0x0A, 0xFF, 0xFF, 0x00400000, PPC_INTEGER),
6412 #if defined(TARGET_PPC64)
6413 GEN_HANDLER_E(cmpeqb, 0x1F, 0x00, 0x07, 0x00600000, PPC_NONE, PPC2_ISA300),
6414 #endif
6415 GEN_HANDLER_E(cmpb, 0x1F, 0x1C, 0x0F, 0x00000001, PPC_NONE, PPC2_ISA205),
6416 GEN_HANDLER_E(cmprb, 0x1F, 0x00, 0x06, 0x00400001, PPC_NONE, PPC2_ISA300),
6417 GEN_HANDLER(isel, 0x1F, 0x0F, 0xFF, 0x00000001, PPC_ISEL),
6418 GEN_HANDLER(addi, 0x0E, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6419 GEN_HANDLER(addic, 0x0C, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6420 GEN_HANDLER2(addic_, "addic.", 0x0D, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6421 GEN_HANDLER(addis, 0x0F, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6422 GEN_HANDLER_E(addpcis, 0x13, 0x2, 0xFF, 0x00000000, PPC_NONE, PPC2_ISA300),
6423 GEN_HANDLER(mulhw, 0x1F, 0x0B, 0x02, 0x00000400, PPC_INTEGER),
6424 GEN_HANDLER(mulhwu, 0x1F, 0x0B, 0x00, 0x00000400, PPC_INTEGER),
6425 GEN_HANDLER(mullw, 0x1F, 0x0B, 0x07, 0x00000000, PPC_INTEGER),
6426 GEN_HANDLER(mullwo, 0x1F, 0x0B, 0x17, 0x00000000, PPC_INTEGER),
6427 GEN_HANDLER(mulli, 0x07, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6428 #if defined(TARGET_PPC64)
6429 GEN_HANDLER(mulld, 0x1F, 0x09, 0x07, 0x00000000, PPC_64B),
6430 #endif
6431 GEN_HANDLER(neg, 0x1F, 0x08, 0x03, 0x0000F800, PPC_INTEGER),
6432 GEN_HANDLER(nego, 0x1F, 0x08, 0x13, 0x0000F800, PPC_INTEGER),
6433 GEN_HANDLER(subfic, 0x08, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6434 GEN_HANDLER2(andi_, "andi.", 0x1C, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6435 GEN_HANDLER2(andis_, "andis.", 0x1D, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6436 GEN_HANDLER(cntlzw, 0x1F, 0x1A, 0x00, 0x00000000, PPC_INTEGER),
6437 GEN_HANDLER_E(cnttzw, 0x1F, 0x1A, 0x10, 0x00000000, PPC_NONE, PPC2_ISA300),
6438 GEN_HANDLER_E(copy, 0x1F, 0x06, 0x18, 0x03C00001, PPC_NONE, PPC2_ISA300),
6439 GEN_HANDLER_E(cp_abort, 0x1F, 0x06, 0x1A, 0x03FFF801, PPC_NONE, PPC2_ISA300),
6440 GEN_HANDLER_E(paste, 0x1F, 0x06, 0x1C, 0x03C00000, PPC_NONE, PPC2_ISA300),
6441 GEN_HANDLER(or, 0x1F, 0x1C, 0x0D, 0x00000000, PPC_INTEGER),
6442 GEN_HANDLER(xor, 0x1F, 0x1C, 0x09, 0x00000000, PPC_INTEGER),
6443 GEN_HANDLER(ori, 0x18, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6444 GEN_HANDLER(oris, 0x19, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6445 GEN_HANDLER(xori, 0x1A, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6446 GEN_HANDLER(xoris, 0x1B, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6447 GEN_HANDLER(popcntb, 0x1F, 0x1A, 0x03, 0x0000F801, PPC_POPCNTB),
6448 GEN_HANDLER(popcntw, 0x1F, 0x1A, 0x0b, 0x0000F801, PPC_POPCNTWD),
6449 GEN_HANDLER_E(prtyw, 0x1F, 0x1A, 0x04, 0x0000F801, PPC_NONE, PPC2_ISA205),
6450 #if defined(TARGET_PPC64)
6451 GEN_HANDLER(popcntd, 0x1F, 0x1A, 0x0F, 0x0000F801, PPC_POPCNTWD),
6452 GEN_HANDLER(cntlzd, 0x1F, 0x1A, 0x01, 0x00000000, PPC_64B),
6453 GEN_HANDLER_E(cnttzd, 0x1F, 0x1A, 0x11, 0x00000000, PPC_NONE, PPC2_ISA300),
6454 GEN_HANDLER_E(darn, 0x1F, 0x13, 0x17, 0x001CF801, PPC_NONE, PPC2_ISA300),
6455 GEN_HANDLER_E(prtyd, 0x1F, 0x1A, 0x05, 0x0000F801, PPC_NONE, PPC2_ISA205),
6456 GEN_HANDLER_E(bpermd, 0x1F, 0x1C, 0x07, 0x00000001, PPC_NONE, PPC2_PERM_ISA206),
6457 #endif
6458 GEN_HANDLER(rlwimi, 0x14, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6459 GEN_HANDLER(rlwinm, 0x15, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6460 GEN_HANDLER(rlwnm, 0x17, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6461 GEN_HANDLER(slw, 0x1F, 0x18, 0x00, 0x00000000, PPC_INTEGER),
6462 GEN_HANDLER(sraw, 0x1F, 0x18, 0x18, 0x00000000, PPC_INTEGER),
6463 GEN_HANDLER(srawi, 0x1F, 0x18, 0x19, 0x00000000, PPC_INTEGER),
6464 GEN_HANDLER(srw, 0x1F, 0x18, 0x10, 0x00000000, PPC_INTEGER),
6465 #if defined(TARGET_PPC64)
6466 GEN_HANDLER(sld, 0x1F, 0x1B, 0x00, 0x00000000, PPC_64B),
6467 GEN_HANDLER(srad, 0x1F, 0x1A, 0x18, 0x00000000, PPC_64B),
6468 GEN_HANDLER2(sradi0, "sradi", 0x1F, 0x1A, 0x19, 0x00000000, PPC_64B),
6469 GEN_HANDLER2(sradi1, "sradi", 0x1F, 0x1B, 0x19, 0x00000000, PPC_64B),
6470 GEN_HANDLER(srd, 0x1F, 0x1B, 0x10, 0x00000000, PPC_64B),
6471 GEN_HANDLER2_E(extswsli0, "extswsli", 0x1F, 0x1A, 0x1B, 0x00000000,
6472                PPC_NONE, PPC2_ISA300),
6473 GEN_HANDLER2_E(extswsli1, "extswsli", 0x1F, 0x1B, 0x1B, 0x00000000,
6474                PPC_NONE, PPC2_ISA300),
6475 #endif
6476 #if defined(TARGET_PPC64)
6477 GEN_HANDLER(ld, 0x3A, 0xFF, 0xFF, 0x00000000, PPC_64B),
6478 GEN_HANDLER(lq, 0x38, 0xFF, 0xFF, 0x00000000, PPC_64BX),
6479 GEN_HANDLER(std, 0x3E, 0xFF, 0xFF, 0x00000000, PPC_64B),
6480 #endif
6481 /* handles lfdp, lxsd, lxssp */
6482 GEN_HANDLER_E(dform39, 0x39, 0xFF, 0xFF, 0x00000000, PPC_NONE, PPC2_ISA205),
6483 /* handles stfdp, lxv, stxsd, stxssp, stxv */
6484 GEN_HANDLER_E(dform3D, 0x3D, 0xFF, 0xFF, 0x00000000, PPC_NONE, PPC2_ISA205),
6485 GEN_HANDLER(lmw, 0x2E, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6486 GEN_HANDLER(stmw, 0x2F, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6487 GEN_HANDLER(lswi, 0x1F, 0x15, 0x12, 0x00000001, PPC_STRING),
6488 GEN_HANDLER(lswx, 0x1F, 0x15, 0x10, 0x00000001, PPC_STRING),
6489 GEN_HANDLER(stswi, 0x1F, 0x15, 0x16, 0x00000001, PPC_STRING),
6490 GEN_HANDLER(stswx, 0x1F, 0x15, 0x14, 0x00000001, PPC_STRING),
6491 GEN_HANDLER(eieio, 0x1F, 0x16, 0x1A, 0x03FFF801, PPC_MEM_EIEIO),
6492 GEN_HANDLER(isync, 0x13, 0x16, 0x04, 0x03FFF801, PPC_MEM),
6493 GEN_HANDLER_E(lbarx, 0x1F, 0x14, 0x01, 0, PPC_NONE, PPC2_ATOMIC_ISA206),
6494 GEN_HANDLER_E(lharx, 0x1F, 0x14, 0x03, 0, PPC_NONE, PPC2_ATOMIC_ISA206),
6495 GEN_HANDLER(lwarx, 0x1F, 0x14, 0x00, 0x00000000, PPC_RES),
6496 GEN_HANDLER_E(lwat, 0x1F, 0x06, 0x12, 0x00000001, PPC_NONE, PPC2_ISA300),
6497 GEN_HANDLER_E(stwat, 0x1F, 0x06, 0x16, 0x00000001, PPC_NONE, PPC2_ISA300),
6498 GEN_HANDLER_E(stbcx_, 0x1F, 0x16, 0x15, 0, PPC_NONE, PPC2_ATOMIC_ISA206),
6499 GEN_HANDLER_E(sthcx_, 0x1F, 0x16, 0x16, 0, PPC_NONE, PPC2_ATOMIC_ISA206),
6500 GEN_HANDLER2(stwcx_, "stwcx.", 0x1F, 0x16, 0x04, 0x00000000, PPC_RES),
6501 #if defined(TARGET_PPC64)
6502 GEN_HANDLER_E(ldat, 0x1F, 0x06, 0x13, 0x00000001, PPC_NONE, PPC2_ISA300),
6503 GEN_HANDLER_E(stdat, 0x1F, 0x06, 0x17, 0x00000001, PPC_NONE, PPC2_ISA300),
6504 GEN_HANDLER(ldarx, 0x1F, 0x14, 0x02, 0x00000000, PPC_64B),
6505 GEN_HANDLER_E(lqarx, 0x1F, 0x14, 0x08, 0, PPC_NONE, PPC2_LSQ_ISA207),
6506 GEN_HANDLER2(stdcx_, "stdcx.", 0x1F, 0x16, 0x06, 0x00000000, PPC_64B),
6507 GEN_HANDLER_E(stqcx_, 0x1F, 0x16, 0x05, 0, PPC_NONE, PPC2_LSQ_ISA207),
6508 #endif
6509 GEN_HANDLER(sync, 0x1F, 0x16, 0x12, 0x039FF801, PPC_MEM_SYNC),
6510 GEN_HANDLER(wait, 0x1F, 0x1E, 0x01, 0x03FFF801, PPC_WAIT),
6511 GEN_HANDLER_E(wait, 0x1F, 0x1E, 0x00, 0x039FF801, PPC_NONE, PPC2_ISA300),
6512 GEN_HANDLER(b, 0x12, 0xFF, 0xFF, 0x00000000, PPC_FLOW),
6513 GEN_HANDLER(bc, 0x10, 0xFF, 0xFF, 0x00000000, PPC_FLOW),
6514 GEN_HANDLER(bcctr, 0x13, 0x10, 0x10, 0x00000000, PPC_FLOW),
6515 GEN_HANDLER(bclr, 0x13, 0x10, 0x00, 0x00000000, PPC_FLOW),
6516 GEN_HANDLER_E(bctar, 0x13, 0x10, 0x11, 0x0000E000, PPC_NONE, PPC2_BCTAR_ISA207),
6517 GEN_HANDLER(mcrf, 0x13, 0x00, 0xFF, 0x00000001, PPC_INTEGER),
6518 GEN_HANDLER(rfi, 0x13, 0x12, 0x01, 0x03FF8001, PPC_FLOW),
6519 #if defined(TARGET_PPC64)
6520 GEN_HANDLER(rfid, 0x13, 0x12, 0x00, 0x03FF8001, PPC_64B),
6521 GEN_HANDLER_E(stop, 0x13, 0x12, 0x0b, 0x03FFF801, PPC_NONE, PPC2_ISA300),
6522 GEN_HANDLER_E(doze, 0x13, 0x12, 0x0c, 0x03FFF801, PPC_NONE, PPC2_PM_ISA206),
6523 GEN_HANDLER_E(nap, 0x13, 0x12, 0x0d, 0x03FFF801, PPC_NONE, PPC2_PM_ISA206),
6524 GEN_HANDLER_E(sleep, 0x13, 0x12, 0x0e, 0x03FFF801, PPC_NONE, PPC2_PM_ISA206),
6525 GEN_HANDLER_E(rvwinkle, 0x13, 0x12, 0x0f, 0x03FFF801, PPC_NONE, PPC2_PM_ISA206),
6526 GEN_HANDLER(hrfid, 0x13, 0x12, 0x08, 0x03FF8001, PPC_64H),
6527 #endif
6528 GEN_HANDLER(sc, 0x11, 0xFF, 0xFF, 0x03FFF01D, PPC_FLOW),
6529 GEN_HANDLER(tw, 0x1F, 0x04, 0x00, 0x00000001, PPC_FLOW),
6530 GEN_HANDLER(twi, 0x03, 0xFF, 0xFF, 0x00000000, PPC_FLOW),
6531 #if defined(TARGET_PPC64)
6532 GEN_HANDLER(td, 0x1F, 0x04, 0x02, 0x00000001, PPC_64B),
6533 GEN_HANDLER(tdi, 0x02, 0xFF, 0xFF, 0x00000000, PPC_64B),
6534 #endif
6535 GEN_HANDLER(mcrxr, 0x1F, 0x00, 0x10, 0x007FF801, PPC_MISC),
6536 GEN_HANDLER(mfcr, 0x1F, 0x13, 0x00, 0x00000801, PPC_MISC),
6537 GEN_HANDLER(mfmsr, 0x1F, 0x13, 0x02, 0x001FF801, PPC_MISC),
6538 GEN_HANDLER(mfspr, 0x1F, 0x13, 0x0A, 0x00000001, PPC_MISC),
6539 GEN_HANDLER(mftb, 0x1F, 0x13, 0x0B, 0x00000001, PPC_MFTB),
6540 GEN_HANDLER(mtcrf, 0x1F, 0x10, 0x04, 0x00000801, PPC_MISC),
6541 #if defined(TARGET_PPC64)
6542 GEN_HANDLER(mtmsrd, 0x1F, 0x12, 0x05, 0x001EF801, PPC_64B),
6543 GEN_HANDLER_E(setb, 0x1F, 0x00, 0x04, 0x0003F801, PPC_NONE, PPC2_ISA300),
6544 GEN_HANDLER_E(mcrxrx, 0x1F, 0x00, 0x12, 0x007FF801, PPC_NONE, PPC2_ISA300),
6545 #endif
6546 GEN_HANDLER(mtmsr, 0x1F, 0x12, 0x04, 0x001EF801, PPC_MISC),
6547 GEN_HANDLER(mtspr, 0x1F, 0x13, 0x0E, 0x00000000, PPC_MISC),
6548 GEN_HANDLER(dcbf, 0x1F, 0x16, 0x02, 0x03C00001, PPC_CACHE),
6549 GEN_HANDLER(dcbi, 0x1F, 0x16, 0x0E, 0x03E00001, PPC_CACHE),
6550 GEN_HANDLER(dcbst, 0x1F, 0x16, 0x01, 0x03E00001, PPC_CACHE),
6551 GEN_HANDLER(dcbt, 0x1F, 0x16, 0x08, 0x00000001, PPC_CACHE),
6552 GEN_HANDLER(dcbtst, 0x1F, 0x16, 0x07, 0x00000001, PPC_CACHE),
6553 GEN_HANDLER_E(dcbtls, 0x1F, 0x06, 0x05, 0x02000001, PPC_BOOKE, PPC2_BOOKE206),
6554 GEN_HANDLER(dcbz, 0x1F, 0x16, 0x1F, 0x03C00001, PPC_CACHE_DCBZ),
6555 GEN_HANDLER(dst, 0x1F, 0x16, 0x0A, 0x01800001, PPC_ALTIVEC),
6556 GEN_HANDLER(dstst, 0x1F, 0x16, 0x0B, 0x02000001, PPC_ALTIVEC),
6557 GEN_HANDLER(dss, 0x1F, 0x16, 0x19, 0x019FF801, PPC_ALTIVEC),
6558 GEN_HANDLER(icbi, 0x1F, 0x16, 0x1E, 0x03E00001, PPC_CACHE_ICBI),
6559 GEN_HANDLER(dcba, 0x1F, 0x16, 0x17, 0x03E00001, PPC_CACHE_DCBA),
6560 GEN_HANDLER(mfsr, 0x1F, 0x13, 0x12, 0x0010F801, PPC_SEGMENT),
6561 GEN_HANDLER(mfsrin, 0x1F, 0x13, 0x14, 0x001F0001, PPC_SEGMENT),
6562 GEN_HANDLER(mtsr, 0x1F, 0x12, 0x06, 0x0010F801, PPC_SEGMENT),
6563 GEN_HANDLER(mtsrin, 0x1F, 0x12, 0x07, 0x001F0001, PPC_SEGMENT),
6564 #if defined(TARGET_PPC64)
6565 GEN_HANDLER2(mfsr_64b, "mfsr", 0x1F, 0x13, 0x12, 0x0010F801, PPC_SEGMENT_64B),
6566 GEN_HANDLER2(mfsrin_64b, "mfsrin", 0x1F, 0x13, 0x14, 0x001F0001,
6567              PPC_SEGMENT_64B),
6568 GEN_HANDLER2(mtsr_64b, "mtsr", 0x1F, 0x12, 0x06, 0x0010F801, PPC_SEGMENT_64B),
6569 GEN_HANDLER2(mtsrin_64b, "mtsrin", 0x1F, 0x12, 0x07, 0x001F0001,
6570              PPC_SEGMENT_64B),
6571 GEN_HANDLER2(slbmte, "slbmte", 0x1F, 0x12, 0x0C, 0x001F0001, PPC_SEGMENT_64B),
6572 GEN_HANDLER2(slbmfee, "slbmfee", 0x1F, 0x13, 0x1C, 0x001F0001, PPC_SEGMENT_64B),
6573 GEN_HANDLER2(slbmfev, "slbmfev", 0x1F, 0x13, 0x1A, 0x001F0001, PPC_SEGMENT_64B),
6574 GEN_HANDLER2(slbfee_, "slbfee.", 0x1F, 0x13, 0x1E, 0x001F0000, PPC_SEGMENT_64B),
6575 #endif
6576 GEN_HANDLER(tlbia, 0x1F, 0x12, 0x0B, 0x03FFFC01, PPC_MEM_TLBIA),
6577 /* XXX Those instructions will need to be handled differently for
6578  * different ISA versions */
6579 GEN_HANDLER(tlbiel, 0x1F, 0x12, 0x08, 0x001F0001, PPC_MEM_TLBIE),
6580 GEN_HANDLER(tlbie, 0x1F, 0x12, 0x09, 0x001F0001, PPC_MEM_TLBIE),
6581 GEN_HANDLER_E(tlbiel, 0x1F, 0x12, 0x08, 0x00100001, PPC_NONE, PPC2_ISA300),
6582 GEN_HANDLER_E(tlbie, 0x1F, 0x12, 0x09, 0x00100001, PPC_NONE, PPC2_ISA300),
6583 GEN_HANDLER(tlbsync, 0x1F, 0x16, 0x11, 0x03FFF801, PPC_MEM_TLBSYNC),
6584 #if defined(TARGET_PPC64)
6585 GEN_HANDLER(slbia, 0x1F, 0x12, 0x0F, 0x031FFC01, PPC_SLBI),
6586 GEN_HANDLER(slbie, 0x1F, 0x12, 0x0D, 0x03FF0001, PPC_SLBI),
6587 GEN_HANDLER_E(slbieg, 0x1F, 0x12, 0x0E, 0x001F0001, PPC_NONE, PPC2_ISA300),
6588 GEN_HANDLER_E(slbsync, 0x1F, 0x12, 0x0A, 0x03FFF801, PPC_NONE, PPC2_ISA300),
6589 #endif
6590 GEN_HANDLER(eciwx, 0x1F, 0x16, 0x0D, 0x00000001, PPC_EXTERN),
6591 GEN_HANDLER(ecowx, 0x1F, 0x16, 0x09, 0x00000001, PPC_EXTERN),
6592 GEN_HANDLER(abs, 0x1F, 0x08, 0x0B, 0x0000F800, PPC_POWER_BR),
6593 GEN_HANDLER(abso, 0x1F, 0x08, 0x1B, 0x0000F800, PPC_POWER_BR),
6594 GEN_HANDLER(clcs, 0x1F, 0x10, 0x13, 0x0000F800, PPC_POWER_BR),
6595 GEN_HANDLER(div, 0x1F, 0x0B, 0x0A, 0x00000000, PPC_POWER_BR),
6596 GEN_HANDLER(divo, 0x1F, 0x0B, 0x1A, 0x00000000, PPC_POWER_BR),
6597 GEN_HANDLER(divs, 0x1F, 0x0B, 0x0B, 0x00000000, PPC_POWER_BR),
6598 GEN_HANDLER(divso, 0x1F, 0x0B, 0x1B, 0x00000000, PPC_POWER_BR),
6599 GEN_HANDLER(doz, 0x1F, 0x08, 0x08, 0x00000000, PPC_POWER_BR),
6600 GEN_HANDLER(dozo, 0x1F, 0x08, 0x18, 0x00000000, PPC_POWER_BR),
6601 GEN_HANDLER(dozi, 0x09, 0xFF, 0xFF, 0x00000000, PPC_POWER_BR),
6602 GEN_HANDLER(lscbx, 0x1F, 0x15, 0x08, 0x00000000, PPC_POWER_BR),
6603 GEN_HANDLER(maskg, 0x1F, 0x1D, 0x00, 0x00000000, PPC_POWER_BR),
6604 GEN_HANDLER(maskir, 0x1F, 0x1D, 0x10, 0x00000000, PPC_POWER_BR),
6605 GEN_HANDLER(mul, 0x1F, 0x0B, 0x03, 0x00000000, PPC_POWER_BR),
6606 GEN_HANDLER(mulo, 0x1F, 0x0B, 0x13, 0x00000000, PPC_POWER_BR),
6607 GEN_HANDLER(nabs, 0x1F, 0x08, 0x0F, 0x00000000, PPC_POWER_BR),
6608 GEN_HANDLER(nabso, 0x1F, 0x08, 0x1F, 0x00000000, PPC_POWER_BR),
6609 GEN_HANDLER(rlmi, 0x16, 0xFF, 0xFF, 0x00000000, PPC_POWER_BR),
6610 GEN_HANDLER(rrib, 0x1F, 0x19, 0x10, 0x00000000, PPC_POWER_BR),
6611 GEN_HANDLER(sle, 0x1F, 0x19, 0x04, 0x00000000, PPC_POWER_BR),
6612 GEN_HANDLER(sleq, 0x1F, 0x19, 0x06, 0x00000000, PPC_POWER_BR),
6613 GEN_HANDLER(sliq, 0x1F, 0x18, 0x05, 0x00000000, PPC_POWER_BR),
6614 GEN_HANDLER(slliq, 0x1F, 0x18, 0x07, 0x00000000, PPC_POWER_BR),
6615 GEN_HANDLER(sllq, 0x1F, 0x18, 0x06, 0x00000000, PPC_POWER_BR),
6616 GEN_HANDLER(slq, 0x1F, 0x18, 0x04, 0x00000000, PPC_POWER_BR),
6617 GEN_HANDLER(sraiq, 0x1F, 0x18, 0x1D, 0x00000000, PPC_POWER_BR),
6618 GEN_HANDLER(sraq, 0x1F, 0x18, 0x1C, 0x00000000, PPC_POWER_BR),
6619 GEN_HANDLER(sre, 0x1F, 0x19, 0x14, 0x00000000, PPC_POWER_BR),
6620 GEN_HANDLER(srea, 0x1F, 0x19, 0x1C, 0x00000000, PPC_POWER_BR),
6621 GEN_HANDLER(sreq, 0x1F, 0x19, 0x16, 0x00000000, PPC_POWER_BR),
6622 GEN_HANDLER(sriq, 0x1F, 0x18, 0x15, 0x00000000, PPC_POWER_BR),
6623 GEN_HANDLER(srliq, 0x1F, 0x18, 0x17, 0x00000000, PPC_POWER_BR),
6624 GEN_HANDLER(srlq, 0x1F, 0x18, 0x16, 0x00000000, PPC_POWER_BR),
6625 GEN_HANDLER(srq, 0x1F, 0x18, 0x14, 0x00000000, PPC_POWER_BR),
6626 GEN_HANDLER(dsa, 0x1F, 0x14, 0x13, 0x03FFF801, PPC_602_SPEC),
6627 GEN_HANDLER(esa, 0x1F, 0x14, 0x12, 0x03FFF801, PPC_602_SPEC),
6628 GEN_HANDLER(mfrom, 0x1F, 0x09, 0x08, 0x03E0F801, PPC_602_SPEC),
6629 GEN_HANDLER2(tlbld_6xx, "tlbld", 0x1F, 0x12, 0x1E, 0x03FF0001, PPC_6xx_TLB),
6630 GEN_HANDLER2(tlbli_6xx, "tlbli", 0x1F, 0x12, 0x1F, 0x03FF0001, PPC_6xx_TLB),
6631 GEN_HANDLER2(tlbld_74xx, "tlbld", 0x1F, 0x12, 0x1E, 0x03FF0001, PPC_74xx_TLB),
6632 GEN_HANDLER2(tlbli_74xx, "tlbli", 0x1F, 0x12, 0x1F, 0x03FF0001, PPC_74xx_TLB),
6633 GEN_HANDLER(clf, 0x1F, 0x16, 0x03, 0x03E00000, PPC_POWER),
6634 GEN_HANDLER(cli, 0x1F, 0x16, 0x0F, 0x03E00000, PPC_POWER),
6635 GEN_HANDLER(dclst, 0x1F, 0x16, 0x13, 0x03E00000, PPC_POWER),
6636 GEN_HANDLER(mfsri, 0x1F, 0x13, 0x13, 0x00000001, PPC_POWER),
6637 GEN_HANDLER(rac, 0x1F, 0x12, 0x19, 0x00000001, PPC_POWER),
6638 GEN_HANDLER(rfsvc, 0x13, 0x12, 0x02, 0x03FFF0001, PPC_POWER),
6639 GEN_HANDLER(lfq, 0x38, 0xFF, 0xFF, 0x00000003, PPC_POWER2),
6640 GEN_HANDLER(lfqu, 0x39, 0xFF, 0xFF, 0x00000003, PPC_POWER2),
6641 GEN_HANDLER(lfqux, 0x1F, 0x17, 0x19, 0x00000001, PPC_POWER2),
6642 GEN_HANDLER(lfqx, 0x1F, 0x17, 0x18, 0x00000001, PPC_POWER2),
6643 GEN_HANDLER(stfq, 0x3C, 0xFF, 0xFF, 0x00000003, PPC_POWER2),
6644 GEN_HANDLER(stfqu, 0x3D, 0xFF, 0xFF, 0x00000003, PPC_POWER2),
6645 GEN_HANDLER(stfqux, 0x1F, 0x17, 0x1D, 0x00000001, PPC_POWER2),
6646 GEN_HANDLER(stfqx, 0x1F, 0x17, 0x1C, 0x00000001, PPC_POWER2),
6647 GEN_HANDLER(mfapidi, 0x1F, 0x13, 0x08, 0x0000F801, PPC_MFAPIDI),
6648 GEN_HANDLER(tlbiva, 0x1F, 0x12, 0x18, 0x03FFF801, PPC_TLBIVA),
6649 GEN_HANDLER(mfdcr, 0x1F, 0x03, 0x0A, 0x00000001, PPC_DCR),
6650 GEN_HANDLER(mtdcr, 0x1F, 0x03, 0x0E, 0x00000001, PPC_DCR),
6651 GEN_HANDLER(mfdcrx, 0x1F, 0x03, 0x08, 0x00000000, PPC_DCRX),
6652 GEN_HANDLER(mtdcrx, 0x1F, 0x03, 0x0C, 0x00000000, PPC_DCRX),
6653 GEN_HANDLER(mfdcrux, 0x1F, 0x03, 0x09, 0x00000000, PPC_DCRUX),
6654 GEN_HANDLER(mtdcrux, 0x1F, 0x03, 0x0D, 0x00000000, PPC_DCRUX),
6655 GEN_HANDLER(dccci, 0x1F, 0x06, 0x0E, 0x03E00001, PPC_4xx_COMMON),
6656 GEN_HANDLER(dcread, 0x1F, 0x06, 0x0F, 0x00000001, PPC_4xx_COMMON),
6657 GEN_HANDLER2(icbt_40x, "icbt", 0x1F, 0x06, 0x08, 0x03E00001, PPC_40x_ICBT),
6658 GEN_HANDLER(iccci, 0x1F, 0x06, 0x1E, 0x00000001, PPC_4xx_COMMON),
6659 GEN_HANDLER(icread, 0x1F, 0x06, 0x1F, 0x03E00001, PPC_4xx_COMMON),
6660 GEN_HANDLER2(rfci_40x, "rfci", 0x13, 0x13, 0x01, 0x03FF8001, PPC_40x_EXCP),
6661 GEN_HANDLER_E(rfci, 0x13, 0x13, 0x01, 0x03FF8001, PPC_BOOKE, PPC2_BOOKE206),
6662 GEN_HANDLER(rfdi, 0x13, 0x07, 0x01, 0x03FF8001, PPC_RFDI),
6663 GEN_HANDLER(rfmci, 0x13, 0x06, 0x01, 0x03FF8001, PPC_RFMCI),
6664 GEN_HANDLER2(tlbre_40x, "tlbre", 0x1F, 0x12, 0x1D, 0x00000001, PPC_40x_TLB),
6665 GEN_HANDLER2(tlbsx_40x, "tlbsx", 0x1F, 0x12, 0x1C, 0x00000000, PPC_40x_TLB),
6666 GEN_HANDLER2(tlbwe_40x, "tlbwe", 0x1F, 0x12, 0x1E, 0x00000001, PPC_40x_TLB),
6667 GEN_HANDLER2(tlbre_440, "tlbre", 0x1F, 0x12, 0x1D, 0x00000001, PPC_BOOKE),
6668 GEN_HANDLER2(tlbsx_440, "tlbsx", 0x1F, 0x12, 0x1C, 0x00000000, PPC_BOOKE),
6669 GEN_HANDLER2(tlbwe_440, "tlbwe", 0x1F, 0x12, 0x1E, 0x00000001, PPC_BOOKE),
6670 GEN_HANDLER2_E(tlbre_booke206, "tlbre", 0x1F, 0x12, 0x1D, 0x00000001,
6671                PPC_NONE, PPC2_BOOKE206),
6672 GEN_HANDLER2_E(tlbsx_booke206, "tlbsx", 0x1F, 0x12, 0x1C, 0x00000000,
6673                PPC_NONE, PPC2_BOOKE206),
6674 GEN_HANDLER2_E(tlbwe_booke206, "tlbwe", 0x1F, 0x12, 0x1E, 0x00000001,
6675                PPC_NONE, PPC2_BOOKE206),
6676 GEN_HANDLER2_E(tlbivax_booke206, "tlbivax", 0x1F, 0x12, 0x18, 0x00000001,
6677                PPC_NONE, PPC2_BOOKE206),
6678 GEN_HANDLER2_E(tlbilx_booke206, "tlbilx", 0x1F, 0x12, 0x00, 0x03800001,
6679                PPC_NONE, PPC2_BOOKE206),
6680 GEN_HANDLER2_E(msgsnd, "msgsnd", 0x1F, 0x0E, 0x06, 0x03ff0001,
6681                PPC_NONE, PPC2_PRCNTL),
6682 GEN_HANDLER2_E(msgclr, "msgclr", 0x1F, 0x0E, 0x07, 0x03ff0001,
6683                PPC_NONE, PPC2_PRCNTL),
6684 GEN_HANDLER(wrtee, 0x1F, 0x03, 0x04, 0x000FFC01, PPC_WRTEE),
6685 GEN_HANDLER(wrteei, 0x1F, 0x03, 0x05, 0x000E7C01, PPC_WRTEE),
6686 GEN_HANDLER(dlmzb, 0x1F, 0x0E, 0x02, 0x00000000, PPC_440_SPEC),
6687 GEN_HANDLER_E(mbar, 0x1F, 0x16, 0x1a, 0x001FF801,
6688               PPC_BOOKE, PPC2_BOOKE206),
6689 GEN_HANDLER(msync_4xx, 0x1F, 0x16, 0x12, 0x03FFF801, PPC_BOOKE),
6690 GEN_HANDLER2_E(icbt_440, "icbt", 0x1F, 0x16, 0x00, 0x03E00001,
6691                PPC_BOOKE, PPC2_BOOKE206),
6692 GEN_HANDLER(lvsl, 0x1f, 0x06, 0x00, 0x00000001, PPC_ALTIVEC),
6693 GEN_HANDLER(lvsr, 0x1f, 0x06, 0x01, 0x00000001, PPC_ALTIVEC),
6694 GEN_HANDLER(mfvscr, 0x04, 0x2, 0x18, 0x001ff800, PPC_ALTIVEC),
6695 GEN_HANDLER(mtvscr, 0x04, 0x2, 0x19, 0x03ff0000, PPC_ALTIVEC),
6696 GEN_HANDLER(vmladduhm, 0x04, 0x11, 0xFF, 0x00000000, PPC_ALTIVEC),
6697 #if defined(TARGET_PPC64)
6698 GEN_HANDLER_E(maddhd_maddhdu, 0x04, 0x18, 0xFF, 0x00000000, PPC_NONE,
6699               PPC2_ISA300),
6700 GEN_HANDLER_E(maddld, 0x04, 0x19, 0xFF, 0x00000000, PPC_NONE, PPC2_ISA300),
6701 #endif
6702 
6703 #undef GEN_INT_ARITH_ADD
6704 #undef GEN_INT_ARITH_ADD_CONST
6705 #define GEN_INT_ARITH_ADD(name, opc3, add_ca, compute_ca, compute_ov)         \
6706 GEN_HANDLER(name, 0x1F, 0x0A, opc3, 0x00000000, PPC_INTEGER),
6707 #define GEN_INT_ARITH_ADD_CONST(name, opc3, const_val,                        \
6708                                 add_ca, compute_ca, compute_ov)               \
6709 GEN_HANDLER(name, 0x1F, 0x0A, opc3, 0x0000F800, PPC_INTEGER),
6710 GEN_INT_ARITH_ADD(add, 0x08, 0, 0, 0)
6711 GEN_INT_ARITH_ADD(addo, 0x18, 0, 0, 1)
6712 GEN_INT_ARITH_ADD(addc, 0x00, 0, 1, 0)
6713 GEN_INT_ARITH_ADD(addco, 0x10, 0, 1, 1)
6714 GEN_INT_ARITH_ADD(adde, 0x04, 1, 1, 0)
6715 GEN_INT_ARITH_ADD(addeo, 0x14, 1, 1, 1)
6716 GEN_INT_ARITH_ADD_CONST(addme, 0x07, -1LL, 1, 1, 0)
6717 GEN_INT_ARITH_ADD_CONST(addmeo, 0x17, -1LL, 1, 1, 1)
6718 GEN_INT_ARITH_ADD_CONST(addze, 0x06, 0, 1, 1, 0)
6719 GEN_INT_ARITH_ADD_CONST(addzeo, 0x16, 0, 1, 1, 1)
6720 
6721 #undef GEN_INT_ARITH_DIVW
6722 #define GEN_INT_ARITH_DIVW(name, opc3, sign, compute_ov)                      \
6723 GEN_HANDLER(name, 0x1F, 0x0B, opc3, 0x00000000, PPC_INTEGER)
6724 GEN_INT_ARITH_DIVW(divwu, 0x0E, 0, 0),
6725 GEN_INT_ARITH_DIVW(divwuo, 0x1E, 0, 1),
6726 GEN_INT_ARITH_DIVW(divw, 0x0F, 1, 0),
6727 GEN_INT_ARITH_DIVW(divwo, 0x1F, 1, 1),
6728 GEN_HANDLER_E(divwe, 0x1F, 0x0B, 0x0D, 0, PPC_NONE, PPC2_DIVE_ISA206),
6729 GEN_HANDLER_E(divweo, 0x1F, 0x0B, 0x1D, 0, PPC_NONE, PPC2_DIVE_ISA206),
6730 GEN_HANDLER_E(divweu, 0x1F, 0x0B, 0x0C, 0, PPC_NONE, PPC2_DIVE_ISA206),
6731 GEN_HANDLER_E(divweuo, 0x1F, 0x0B, 0x1C, 0, PPC_NONE, PPC2_DIVE_ISA206),
6732 GEN_HANDLER_E(modsw, 0x1F, 0x0B, 0x18, 0x00000001, PPC_NONE, PPC2_ISA300),
6733 GEN_HANDLER_E(moduw, 0x1F, 0x0B, 0x08, 0x00000001, PPC_NONE, PPC2_ISA300),
6734 
6735 #if defined(TARGET_PPC64)
6736 #undef GEN_INT_ARITH_DIVD
6737 #define GEN_INT_ARITH_DIVD(name, opc3, sign, compute_ov)                      \
6738 GEN_HANDLER(name, 0x1F, 0x09, opc3, 0x00000000, PPC_64B)
6739 GEN_INT_ARITH_DIVD(divdu, 0x0E, 0, 0),
6740 GEN_INT_ARITH_DIVD(divduo, 0x1E, 0, 1),
6741 GEN_INT_ARITH_DIVD(divd, 0x0F, 1, 0),
6742 GEN_INT_ARITH_DIVD(divdo, 0x1F, 1, 1),
6743 
6744 GEN_HANDLER_E(divdeu, 0x1F, 0x09, 0x0C, 0, PPC_NONE, PPC2_DIVE_ISA206),
6745 GEN_HANDLER_E(divdeuo, 0x1F, 0x09, 0x1C, 0, PPC_NONE, PPC2_DIVE_ISA206),
6746 GEN_HANDLER_E(divde, 0x1F, 0x09, 0x0D, 0, PPC_NONE, PPC2_DIVE_ISA206),
6747 GEN_HANDLER_E(divdeo, 0x1F, 0x09, 0x1D, 0, PPC_NONE, PPC2_DIVE_ISA206),
6748 GEN_HANDLER_E(modsd, 0x1F, 0x09, 0x18, 0x00000001, PPC_NONE, PPC2_ISA300),
6749 GEN_HANDLER_E(modud, 0x1F, 0x09, 0x08, 0x00000001, PPC_NONE, PPC2_ISA300),
6750 
6751 #undef GEN_INT_ARITH_MUL_HELPER
6752 #define GEN_INT_ARITH_MUL_HELPER(name, opc3)                                  \
6753 GEN_HANDLER(name, 0x1F, 0x09, opc3, 0x00000000, PPC_64B)
6754 GEN_INT_ARITH_MUL_HELPER(mulhdu, 0x00),
6755 GEN_INT_ARITH_MUL_HELPER(mulhd, 0x02),
6756 GEN_INT_ARITH_MUL_HELPER(mulldo, 0x17),
6757 #endif
6758 
6759 #undef GEN_INT_ARITH_SUBF
6760 #undef GEN_INT_ARITH_SUBF_CONST
6761 #define GEN_INT_ARITH_SUBF(name, opc3, add_ca, compute_ca, compute_ov)        \
6762 GEN_HANDLER(name, 0x1F, 0x08, opc3, 0x00000000, PPC_INTEGER),
6763 #define GEN_INT_ARITH_SUBF_CONST(name, opc3, const_val,                       \
6764                                 add_ca, compute_ca, compute_ov)               \
6765 GEN_HANDLER(name, 0x1F, 0x08, opc3, 0x0000F800, PPC_INTEGER),
6766 GEN_INT_ARITH_SUBF(subf, 0x01, 0, 0, 0)
6767 GEN_INT_ARITH_SUBF(subfo, 0x11, 0, 0, 1)
6768 GEN_INT_ARITH_SUBF(subfc, 0x00, 0, 1, 0)
6769 GEN_INT_ARITH_SUBF(subfco, 0x10, 0, 1, 1)
6770 GEN_INT_ARITH_SUBF(subfe, 0x04, 1, 1, 0)
6771 GEN_INT_ARITH_SUBF(subfeo, 0x14, 1, 1, 1)
6772 GEN_INT_ARITH_SUBF_CONST(subfme, 0x07, -1LL, 1, 1, 0)
6773 GEN_INT_ARITH_SUBF_CONST(subfmeo, 0x17, -1LL, 1, 1, 1)
6774 GEN_INT_ARITH_SUBF_CONST(subfze, 0x06, 0, 1, 1, 0)
6775 GEN_INT_ARITH_SUBF_CONST(subfzeo, 0x16, 0, 1, 1, 1)
6776 
6777 #undef GEN_LOGICAL1
6778 #undef GEN_LOGICAL2
6779 #define GEN_LOGICAL2(name, tcg_op, opc, type)                                 \
6780 GEN_HANDLER(name, 0x1F, 0x1C, opc, 0x00000000, type)
6781 #define GEN_LOGICAL1(name, tcg_op, opc, type)                                 \
6782 GEN_HANDLER(name, 0x1F, 0x1A, opc, 0x00000000, type)
6783 GEN_LOGICAL2(and, tcg_gen_and_tl, 0x00, PPC_INTEGER),
6784 GEN_LOGICAL2(andc, tcg_gen_andc_tl, 0x01, PPC_INTEGER),
6785 GEN_LOGICAL2(eqv, tcg_gen_eqv_tl, 0x08, PPC_INTEGER),
6786 GEN_LOGICAL1(extsb, tcg_gen_ext8s_tl, 0x1D, PPC_INTEGER),
6787 GEN_LOGICAL1(extsh, tcg_gen_ext16s_tl, 0x1C, PPC_INTEGER),
6788 GEN_LOGICAL2(nand, tcg_gen_nand_tl, 0x0E, PPC_INTEGER),
6789 GEN_LOGICAL2(nor, tcg_gen_nor_tl, 0x03, PPC_INTEGER),
6790 GEN_LOGICAL2(orc, tcg_gen_orc_tl, 0x0C, PPC_INTEGER),
6791 #if defined(TARGET_PPC64)
6792 GEN_LOGICAL1(extsw, tcg_gen_ext32s_tl, 0x1E, PPC_64B),
6793 #endif
6794 
6795 #if defined(TARGET_PPC64)
6796 #undef GEN_PPC64_R2
6797 #undef GEN_PPC64_R4
6798 #define GEN_PPC64_R2(name, opc1, opc2)                                        \
6799 GEN_HANDLER2(name##0, stringify(name), opc1, opc2, 0xFF, 0x00000000, PPC_64B),\
6800 GEN_HANDLER2(name##1, stringify(name), opc1, opc2 | 0x10, 0xFF, 0x00000000,   \
6801              PPC_64B)
6802 #define GEN_PPC64_R4(name, opc1, opc2)                                        \
6803 GEN_HANDLER2(name##0, stringify(name), opc1, opc2, 0xFF, 0x00000000, PPC_64B),\
6804 GEN_HANDLER2(name##1, stringify(name), opc1, opc2 | 0x01, 0xFF, 0x00000000,   \
6805              PPC_64B),                                                        \
6806 GEN_HANDLER2(name##2, stringify(name), opc1, opc2 | 0x10, 0xFF, 0x00000000,   \
6807              PPC_64B),                                                        \
6808 GEN_HANDLER2(name##3, stringify(name), opc1, opc2 | 0x11, 0xFF, 0x00000000,   \
6809              PPC_64B)
6810 GEN_PPC64_R4(rldicl, 0x1E, 0x00),
6811 GEN_PPC64_R4(rldicr, 0x1E, 0x02),
6812 GEN_PPC64_R4(rldic, 0x1E, 0x04),
6813 GEN_PPC64_R2(rldcl, 0x1E, 0x08),
6814 GEN_PPC64_R2(rldcr, 0x1E, 0x09),
6815 GEN_PPC64_R4(rldimi, 0x1E, 0x06),
6816 #endif
6817 
6818 #undef GEN_LD
6819 #undef GEN_LDU
6820 #undef GEN_LDUX
6821 #undef GEN_LDX_E
6822 #undef GEN_LDS
6823 #define GEN_LD(name, ldop, opc, type)                                         \
6824 GEN_HANDLER(name, opc, 0xFF, 0xFF, 0x00000000, type),
6825 #define GEN_LDU(name, ldop, opc, type)                                        \
6826 GEN_HANDLER(name##u, opc, 0xFF, 0xFF, 0x00000000, type),
6827 #define GEN_LDUX(name, ldop, opc2, opc3, type)                                \
6828 GEN_HANDLER(name##ux, 0x1F, opc2, opc3, 0x00000001, type),
6829 #define GEN_LDX_E(name, ldop, opc2, opc3, type, type2, chk)                   \
6830 GEN_HANDLER_E(name##x, 0x1F, opc2, opc3, 0x00000001, type, type2),
6831 #define GEN_LDS(name, ldop, op, type)                                         \
6832 GEN_LD(name, ldop, op | 0x20, type)                                           \
6833 GEN_LDU(name, ldop, op | 0x21, type)                                          \
6834 GEN_LDUX(name, ldop, 0x17, op | 0x01, type)                                   \
6835 GEN_LDX(name, ldop, 0x17, op | 0x00, type)
6836 
6837 GEN_LDS(lbz, ld8u, 0x02, PPC_INTEGER)
6838 GEN_LDS(lha, ld16s, 0x0A, PPC_INTEGER)
6839 GEN_LDS(lhz, ld16u, 0x08, PPC_INTEGER)
6840 GEN_LDS(lwz, ld32u, 0x00, PPC_INTEGER)
6841 #if defined(TARGET_PPC64)
6842 GEN_LDUX(lwa, ld32s, 0x15, 0x0B, PPC_64B)
6843 GEN_LDX(lwa, ld32s, 0x15, 0x0A, PPC_64B)
6844 GEN_LDUX(ld, ld64_i64, 0x15, 0x01, PPC_64B)
6845 GEN_LDX(ld, ld64_i64, 0x15, 0x00, PPC_64B)
6846 GEN_LDX_E(ldbr, ld64ur_i64, 0x14, 0x10, PPC_NONE, PPC2_DBRX, CHK_NONE)
6847 
6848 /* HV/P7 and later only */
6849 GEN_LDX_HVRM(ldcix, ld64_i64, 0x15, 0x1b, PPC_CILDST)
6850 GEN_LDX_HVRM(lwzcix, ld32u, 0x15, 0x18, PPC_CILDST)
6851 GEN_LDX_HVRM(lhzcix, ld16u, 0x15, 0x19, PPC_CILDST)
6852 GEN_LDX_HVRM(lbzcix, ld8u, 0x15, 0x1a, PPC_CILDST)
6853 #endif
6854 GEN_LDX(lhbr, ld16ur, 0x16, 0x18, PPC_INTEGER)
6855 GEN_LDX(lwbr, ld32ur, 0x16, 0x10, PPC_INTEGER)
6856 
6857 #undef GEN_ST
6858 #undef GEN_STU
6859 #undef GEN_STUX
6860 #undef GEN_STX_E
6861 #undef GEN_STS
6862 #define GEN_ST(name, stop, opc, type)                                         \
6863 GEN_HANDLER(name, opc, 0xFF, 0xFF, 0x00000000, type),
6864 #define GEN_STU(name, stop, opc, type)                                        \
6865 GEN_HANDLER(stop##u, opc, 0xFF, 0xFF, 0x00000000, type),
6866 #define GEN_STUX(name, stop, opc2, opc3, type)                                \
6867 GEN_HANDLER(name##ux, 0x1F, opc2, opc3, 0x00000001, type),
6868 #define GEN_STX_E(name, stop, opc2, opc3, type, type2, chk)                   \
6869 GEN_HANDLER_E(name##x, 0x1F, opc2, opc3, 0x00000001, type, type2),
6870 #define GEN_STS(name, stop, op, type)                                         \
6871 GEN_ST(name, stop, op | 0x20, type)                                           \
6872 GEN_STU(name, stop, op | 0x21, type)                                          \
6873 GEN_STUX(name, stop, 0x17, op | 0x01, type)                                   \
6874 GEN_STX(name, stop, 0x17, op | 0x00, type)
6875 
6876 GEN_STS(stb, st8, 0x06, PPC_INTEGER)
6877 GEN_STS(sth, st16, 0x0C, PPC_INTEGER)
6878 GEN_STS(stw, st32, 0x04, PPC_INTEGER)
6879 #if defined(TARGET_PPC64)
6880 GEN_STUX(std, st64_i64, 0x15, 0x05, PPC_64B)
6881 GEN_STX(std, st64_i64, 0x15, 0x04, PPC_64B)
6882 GEN_STX_E(stdbr, st64r_i64, 0x14, 0x14, PPC_NONE, PPC2_DBRX, CHK_NONE)
6883 GEN_STX_HVRM(stdcix, st64_i64, 0x15, 0x1f, PPC_CILDST)
6884 GEN_STX_HVRM(stwcix, st32, 0x15, 0x1c, PPC_CILDST)
6885 GEN_STX_HVRM(sthcix, st16, 0x15, 0x1d, PPC_CILDST)
6886 GEN_STX_HVRM(stbcix, st8, 0x15, 0x1e, PPC_CILDST)
6887 #endif
6888 GEN_STX(sthbr, st16r, 0x16, 0x1C, PPC_INTEGER)
6889 GEN_STX(stwbr, st32r, 0x16, 0x14, PPC_INTEGER)
6890 
6891 #undef GEN_CRLOGIC
6892 #define GEN_CRLOGIC(name, tcg_op, opc)                                        \
6893 GEN_HANDLER(name, 0x13, 0x01, opc, 0x00000001, PPC_INTEGER)
6894 GEN_CRLOGIC(crand, tcg_gen_and_i32, 0x08),
6895 GEN_CRLOGIC(crandc, tcg_gen_andc_i32, 0x04),
6896 GEN_CRLOGIC(creqv, tcg_gen_eqv_i32, 0x09),
6897 GEN_CRLOGIC(crnand, tcg_gen_nand_i32, 0x07),
6898 GEN_CRLOGIC(crnor, tcg_gen_nor_i32, 0x01),
6899 GEN_CRLOGIC(cror, tcg_gen_or_i32, 0x0E),
6900 GEN_CRLOGIC(crorc, tcg_gen_orc_i32, 0x0D),
6901 GEN_CRLOGIC(crxor, tcg_gen_xor_i32, 0x06),
6902 
6903 #undef GEN_MAC_HANDLER
6904 #define GEN_MAC_HANDLER(name, opc2, opc3)                                     \
6905 GEN_HANDLER(name, 0x04, opc2, opc3, 0x00000000, PPC_405_MAC)
6906 GEN_MAC_HANDLER(macchw, 0x0C, 0x05),
6907 GEN_MAC_HANDLER(macchwo, 0x0C, 0x15),
6908 GEN_MAC_HANDLER(macchws, 0x0C, 0x07),
6909 GEN_MAC_HANDLER(macchwso, 0x0C, 0x17),
6910 GEN_MAC_HANDLER(macchwsu, 0x0C, 0x06),
6911 GEN_MAC_HANDLER(macchwsuo, 0x0C, 0x16),
6912 GEN_MAC_HANDLER(macchwu, 0x0C, 0x04),
6913 GEN_MAC_HANDLER(macchwuo, 0x0C, 0x14),
6914 GEN_MAC_HANDLER(machhw, 0x0C, 0x01),
6915 GEN_MAC_HANDLER(machhwo, 0x0C, 0x11),
6916 GEN_MAC_HANDLER(machhws, 0x0C, 0x03),
6917 GEN_MAC_HANDLER(machhwso, 0x0C, 0x13),
6918 GEN_MAC_HANDLER(machhwsu, 0x0C, 0x02),
6919 GEN_MAC_HANDLER(machhwsuo, 0x0C, 0x12),
6920 GEN_MAC_HANDLER(machhwu, 0x0C, 0x00),
6921 GEN_MAC_HANDLER(machhwuo, 0x0C, 0x10),
6922 GEN_MAC_HANDLER(maclhw, 0x0C, 0x0D),
6923 GEN_MAC_HANDLER(maclhwo, 0x0C, 0x1D),
6924 GEN_MAC_HANDLER(maclhws, 0x0C, 0x0F),
6925 GEN_MAC_HANDLER(maclhwso, 0x0C, 0x1F),
6926 GEN_MAC_HANDLER(maclhwu, 0x0C, 0x0C),
6927 GEN_MAC_HANDLER(maclhwuo, 0x0C, 0x1C),
6928 GEN_MAC_HANDLER(maclhwsu, 0x0C, 0x0E),
6929 GEN_MAC_HANDLER(maclhwsuo, 0x0C, 0x1E),
6930 GEN_MAC_HANDLER(nmacchw, 0x0E, 0x05),
6931 GEN_MAC_HANDLER(nmacchwo, 0x0E, 0x15),
6932 GEN_MAC_HANDLER(nmacchws, 0x0E, 0x07),
6933 GEN_MAC_HANDLER(nmacchwso, 0x0E, 0x17),
6934 GEN_MAC_HANDLER(nmachhw, 0x0E, 0x01),
6935 GEN_MAC_HANDLER(nmachhwo, 0x0E, 0x11),
6936 GEN_MAC_HANDLER(nmachhws, 0x0E, 0x03),
6937 GEN_MAC_HANDLER(nmachhwso, 0x0E, 0x13),
6938 GEN_MAC_HANDLER(nmaclhw, 0x0E, 0x0D),
6939 GEN_MAC_HANDLER(nmaclhwo, 0x0E, 0x1D),
6940 GEN_MAC_HANDLER(nmaclhws, 0x0E, 0x0F),
6941 GEN_MAC_HANDLER(nmaclhwso, 0x0E, 0x1F),
6942 GEN_MAC_HANDLER(mulchw, 0x08, 0x05),
6943 GEN_MAC_HANDLER(mulchwu, 0x08, 0x04),
6944 GEN_MAC_HANDLER(mulhhw, 0x08, 0x01),
6945 GEN_MAC_HANDLER(mulhhwu, 0x08, 0x00),
6946 GEN_MAC_HANDLER(mullhw, 0x08, 0x0D),
6947 GEN_MAC_HANDLER(mullhwu, 0x08, 0x0C),
6948 
6949 GEN_HANDLER2_E(tbegin, "tbegin", 0x1F, 0x0E, 0x14, 0x01DFF800, \
6950                PPC_NONE, PPC2_TM),
6951 GEN_HANDLER2_E(tend,   "tend",   0x1F, 0x0E, 0x15, 0x01FFF800, \
6952                PPC_NONE, PPC2_TM),
6953 GEN_HANDLER2_E(tabort, "tabort", 0x1F, 0x0E, 0x1C, 0x03E0F800, \
6954                PPC_NONE, PPC2_TM),
6955 GEN_HANDLER2_E(tabortwc, "tabortwc", 0x1F, 0x0E, 0x18, 0x00000000, \
6956                PPC_NONE, PPC2_TM),
6957 GEN_HANDLER2_E(tabortwci, "tabortwci", 0x1F, 0x0E, 0x1A, 0x00000000, \
6958                PPC_NONE, PPC2_TM),
6959 GEN_HANDLER2_E(tabortdc, "tabortdc", 0x1F, 0x0E, 0x19, 0x00000000, \
6960                PPC_NONE, PPC2_TM),
6961 GEN_HANDLER2_E(tabortdci, "tabortdci", 0x1F, 0x0E, 0x1B, 0x00000000, \
6962                PPC_NONE, PPC2_TM),
6963 GEN_HANDLER2_E(tsr, "tsr", 0x1F, 0x0E, 0x17, 0x03DFF800, \
6964                PPC_NONE, PPC2_TM),
6965 GEN_HANDLER2_E(tcheck, "tcheck", 0x1F, 0x0E, 0x16, 0x007FF800, \
6966                PPC_NONE, PPC2_TM),
6967 GEN_HANDLER2_E(treclaim, "treclaim", 0x1F, 0x0E, 0x1D, 0x03E0F800, \
6968                PPC_NONE, PPC2_TM),
6969 GEN_HANDLER2_E(trechkpt, "trechkpt", 0x1F, 0x0E, 0x1F, 0x03FFF800, \
6970                PPC_NONE, PPC2_TM),
6971 
6972 #include "translate/fp-ops.inc.c"
6973 
6974 #include "translate/vmx-ops.inc.c"
6975 
6976 #include "translate/vsx-ops.inc.c"
6977 
6978 #include "translate/dfp-ops.inc.c"
6979 
6980 #include "translate/spe-ops.inc.c"
6981 };
6982 
6983 #include "helper_regs.h"
6984 #include "translate_init.c"
6985 
6986 /*****************************************************************************/
6987 /* Misc PowerPC helpers */
6988 void ppc_cpu_dump_state(CPUState *cs, FILE *f, fprintf_function cpu_fprintf,
6989                         int flags)
6990 {
6991 #define RGPL  4
6992 #define RFPL  4
6993 
6994     PowerPCCPU *cpu = POWERPC_CPU(cs);
6995     CPUPPCState *env = &cpu->env;
6996     int i;
6997 
6998     cpu_fprintf(f, "NIP " TARGET_FMT_lx "   LR " TARGET_FMT_lx " CTR "
6999                 TARGET_FMT_lx " XER " TARGET_FMT_lx " CPU#%d\n",
7000                 env->nip, env->lr, env->ctr, cpu_read_xer(env),
7001                 cs->cpu_index);
7002     cpu_fprintf(f, "MSR " TARGET_FMT_lx " HID0 " TARGET_FMT_lx "  HF "
7003                 TARGET_FMT_lx " iidx %d didx %d\n",
7004                 env->msr, env->spr[SPR_HID0],
7005                 env->hflags, env->immu_idx, env->dmmu_idx);
7006 #if !defined(NO_TIMER_DUMP)
7007     cpu_fprintf(f, "TB %08" PRIu32 " %08" PRIu64
7008 #if !defined(CONFIG_USER_ONLY)
7009                 " DECR %08" PRIu32
7010 #endif
7011                 "\n",
7012                 cpu_ppc_load_tbu(env), cpu_ppc_load_tbl(env)
7013 #if !defined(CONFIG_USER_ONLY)
7014                 , cpu_ppc_load_decr(env)
7015 #endif
7016                 );
7017 #endif
7018     for (i = 0; i < 32; i++) {
7019         if ((i & (RGPL - 1)) == 0)
7020             cpu_fprintf(f, "GPR%02d", i);
7021         cpu_fprintf(f, " %016" PRIx64, ppc_dump_gpr(env, i));
7022         if ((i & (RGPL - 1)) == (RGPL - 1))
7023             cpu_fprintf(f, "\n");
7024     }
7025     cpu_fprintf(f, "CR ");
7026     for (i = 0; i < 8; i++)
7027         cpu_fprintf(f, "%01x", env->crf[i]);
7028     cpu_fprintf(f, "  [");
7029     for (i = 0; i < 8; i++) {
7030         char a = '-';
7031         if (env->crf[i] & 0x08)
7032             a = 'L';
7033         else if (env->crf[i] & 0x04)
7034             a = 'G';
7035         else if (env->crf[i] & 0x02)
7036             a = 'E';
7037         cpu_fprintf(f, " %c%c", a, env->crf[i] & 0x01 ? 'O' : ' ');
7038     }
7039     cpu_fprintf(f, " ]             RES " TARGET_FMT_lx "\n",
7040                 env->reserve_addr);
7041     for (i = 0; i < 32; i++) {
7042         if ((i & (RFPL - 1)) == 0)
7043             cpu_fprintf(f, "FPR%02d", i);
7044         cpu_fprintf(f, " %016" PRIx64, *((uint64_t *)&env->fpr[i]));
7045         if ((i & (RFPL - 1)) == (RFPL - 1))
7046             cpu_fprintf(f, "\n");
7047     }
7048     cpu_fprintf(f, "FPSCR " TARGET_FMT_lx "\n", env->fpscr);
7049 #if !defined(CONFIG_USER_ONLY)
7050     cpu_fprintf(f, " SRR0 " TARGET_FMT_lx "  SRR1 " TARGET_FMT_lx
7051                    "    PVR " TARGET_FMT_lx " VRSAVE " TARGET_FMT_lx "\n",
7052                 env->spr[SPR_SRR0], env->spr[SPR_SRR1],
7053                 env->spr[SPR_PVR], env->spr[SPR_VRSAVE]);
7054 
7055     cpu_fprintf(f, "SPRG0 " TARGET_FMT_lx " SPRG1 " TARGET_FMT_lx
7056                    "  SPRG2 " TARGET_FMT_lx "  SPRG3 " TARGET_FMT_lx "\n",
7057                 env->spr[SPR_SPRG0], env->spr[SPR_SPRG1],
7058                 env->spr[SPR_SPRG2], env->spr[SPR_SPRG3]);
7059 
7060     cpu_fprintf(f, "SPRG4 " TARGET_FMT_lx " SPRG5 " TARGET_FMT_lx
7061                    "  SPRG6 " TARGET_FMT_lx "  SPRG7 " TARGET_FMT_lx "\n",
7062                 env->spr[SPR_SPRG4], env->spr[SPR_SPRG5],
7063                 env->spr[SPR_SPRG6], env->spr[SPR_SPRG7]);
7064 
7065 #if defined(TARGET_PPC64)
7066     if (env->excp_model == POWERPC_EXCP_POWER7 ||
7067         env->excp_model == POWERPC_EXCP_POWER8) {
7068         cpu_fprintf(f, "HSRR0 " TARGET_FMT_lx " HSRR1 " TARGET_FMT_lx "\n",
7069                     env->spr[SPR_HSRR0], env->spr[SPR_HSRR1]);
7070     }
7071 #endif
7072     if (env->excp_model == POWERPC_EXCP_BOOKE) {
7073         cpu_fprintf(f, "CSRR0 " TARGET_FMT_lx " CSRR1 " TARGET_FMT_lx
7074                        " MCSRR0 " TARGET_FMT_lx " MCSRR1 " TARGET_FMT_lx "\n",
7075                     env->spr[SPR_BOOKE_CSRR0], env->spr[SPR_BOOKE_CSRR1],
7076                     env->spr[SPR_BOOKE_MCSRR0], env->spr[SPR_BOOKE_MCSRR1]);
7077 
7078         cpu_fprintf(f, "  TCR " TARGET_FMT_lx "   TSR " TARGET_FMT_lx
7079                        "    ESR " TARGET_FMT_lx "   DEAR " TARGET_FMT_lx "\n",
7080                     env->spr[SPR_BOOKE_TCR], env->spr[SPR_BOOKE_TSR],
7081                     env->spr[SPR_BOOKE_ESR], env->spr[SPR_BOOKE_DEAR]);
7082 
7083         cpu_fprintf(f, "  PIR " TARGET_FMT_lx " DECAR " TARGET_FMT_lx
7084                        "   IVPR " TARGET_FMT_lx "   EPCR " TARGET_FMT_lx "\n",
7085                     env->spr[SPR_BOOKE_PIR], env->spr[SPR_BOOKE_DECAR],
7086                     env->spr[SPR_BOOKE_IVPR], env->spr[SPR_BOOKE_EPCR]);
7087 
7088         cpu_fprintf(f, " MCSR " TARGET_FMT_lx " SPRG8 " TARGET_FMT_lx
7089                        "    EPR " TARGET_FMT_lx "\n",
7090                     env->spr[SPR_BOOKE_MCSR], env->spr[SPR_BOOKE_SPRG8],
7091                     env->spr[SPR_BOOKE_EPR]);
7092 
7093         /* FSL-specific */
7094         cpu_fprintf(f, " MCAR " TARGET_FMT_lx "  PID1 " TARGET_FMT_lx
7095                        "   PID2 " TARGET_FMT_lx "    SVR " TARGET_FMT_lx "\n",
7096                     env->spr[SPR_Exxx_MCAR], env->spr[SPR_BOOKE_PID1],
7097                     env->spr[SPR_BOOKE_PID2], env->spr[SPR_E500_SVR]);
7098 
7099         /*
7100          * IVORs are left out as they are large and do not change often --
7101          * they can be read with "p $ivor0", "p $ivor1", etc.
7102          */
7103     }
7104 
7105 #if defined(TARGET_PPC64)
7106     if (env->flags & POWERPC_FLAG_CFAR) {
7107         cpu_fprintf(f, " CFAR " TARGET_FMT_lx"\n", env->cfar);
7108     }
7109 #endif
7110 
7111     if (env->spr_cb[SPR_LPCR].name)
7112         cpu_fprintf(f, " LPCR " TARGET_FMT_lx "\n", env->spr[SPR_LPCR]);
7113 
7114     switch (POWERPC_MMU_VER(env->mmu_model)) {
7115     case POWERPC_MMU_32B:
7116     case POWERPC_MMU_601:
7117     case POWERPC_MMU_SOFT_6xx:
7118     case POWERPC_MMU_SOFT_74xx:
7119 #if defined(TARGET_PPC64)
7120     case POWERPC_MMU_VER_64B:
7121     case POWERPC_MMU_VER_2_03:
7122     case POWERPC_MMU_VER_2_06:
7123     case POWERPC_MMU_VER_2_07:
7124     case POWERPC_MMU_VER_3_00:
7125 #endif
7126         if (env->spr_cb[SPR_SDR1].name) { /* SDR1 Exists */
7127             cpu_fprintf(f, " SDR1 " TARGET_FMT_lx " ", env->spr[SPR_SDR1]);
7128         }
7129         cpu_fprintf(f, "  DAR " TARGET_FMT_lx "  DSISR " TARGET_FMT_lx "\n",
7130                     env->spr[SPR_DAR], env->spr[SPR_DSISR]);
7131         break;
7132     case POWERPC_MMU_BOOKE206:
7133         cpu_fprintf(f, " MAS0 " TARGET_FMT_lx "  MAS1 " TARGET_FMT_lx
7134                        "   MAS2 " TARGET_FMT_lx "   MAS3 " TARGET_FMT_lx "\n",
7135                     env->spr[SPR_BOOKE_MAS0], env->spr[SPR_BOOKE_MAS1],
7136                     env->spr[SPR_BOOKE_MAS2], env->spr[SPR_BOOKE_MAS3]);
7137 
7138         cpu_fprintf(f, " MAS4 " TARGET_FMT_lx "  MAS6 " TARGET_FMT_lx
7139                        "   MAS7 " TARGET_FMT_lx "    PID " TARGET_FMT_lx "\n",
7140                     env->spr[SPR_BOOKE_MAS4], env->spr[SPR_BOOKE_MAS6],
7141                     env->spr[SPR_BOOKE_MAS7], env->spr[SPR_BOOKE_PID]);
7142 
7143         cpu_fprintf(f, "MMUCFG " TARGET_FMT_lx " TLB0CFG " TARGET_FMT_lx
7144                        " TLB1CFG " TARGET_FMT_lx "\n",
7145                     env->spr[SPR_MMUCFG], env->spr[SPR_BOOKE_TLB0CFG],
7146                     env->spr[SPR_BOOKE_TLB1CFG]);
7147         break;
7148     default:
7149         break;
7150     }
7151 #endif
7152 
7153 #undef RGPL
7154 #undef RFPL
7155 }
7156 
7157 void ppc_cpu_dump_statistics(CPUState *cs, FILE*f,
7158                              fprintf_function cpu_fprintf, int flags)
7159 {
7160 #if defined(DO_PPC_STATISTICS)
7161     PowerPCCPU *cpu = POWERPC_CPU(cs);
7162     opc_handler_t **t1, **t2, **t3, *handler;
7163     int op1, op2, op3;
7164 
7165     t1 = cpu->env.opcodes;
7166     for (op1 = 0; op1 < 64; op1++) {
7167         handler = t1[op1];
7168         if (is_indirect_opcode(handler)) {
7169             t2 = ind_table(handler);
7170             for (op2 = 0; op2 < 32; op2++) {
7171                 handler = t2[op2];
7172                 if (is_indirect_opcode(handler)) {
7173                     t3 = ind_table(handler);
7174                     for (op3 = 0; op3 < 32; op3++) {
7175                         handler = t3[op3];
7176                         if (handler->count == 0)
7177                             continue;
7178                         cpu_fprintf(f, "%02x %02x %02x (%02x %04d) %16s: "
7179                                     "%016" PRIx64 " %" PRId64 "\n",
7180                                     op1, op2, op3, op1, (op3 << 5) | op2,
7181                                     handler->oname,
7182                                     handler->count, handler->count);
7183                     }
7184                 } else {
7185                     if (handler->count == 0)
7186                         continue;
7187                     cpu_fprintf(f, "%02x %02x    (%02x %04d) %16s: "
7188                                 "%016" PRIx64 " %" PRId64 "\n",
7189                                 op1, op2, op1, op2, handler->oname,
7190                                 handler->count, handler->count);
7191                 }
7192             }
7193         } else {
7194             if (handler->count == 0)
7195                 continue;
7196             cpu_fprintf(f, "%02x       (%02x     ) %16s: %016" PRIx64
7197                         " %" PRId64 "\n",
7198                         op1, op1, handler->oname,
7199                         handler->count, handler->count);
7200         }
7201     }
7202 #endif
7203 }
7204 
7205 /*****************************************************************************/
7206 void gen_intermediate_code(CPUPPCState *env, struct TranslationBlock *tb)
7207 {
7208     PowerPCCPU *cpu = ppc_env_get_cpu(env);
7209     CPUState *cs = CPU(cpu);
7210     DisasContext ctx, *ctxp = &ctx;
7211     opc_handler_t **table, *handler;
7212     target_ulong pc_start;
7213     int num_insns;
7214     int max_insns;
7215 
7216     pc_start = tb->pc;
7217     ctx.nip = pc_start;
7218     ctx.tb = tb;
7219     ctx.exception = POWERPC_EXCP_NONE;
7220     ctx.spr_cb = env->spr_cb;
7221     ctx.pr = msr_pr;
7222     ctx.mem_idx = env->dmmu_idx;
7223     ctx.dr = msr_dr;
7224 #if !defined(CONFIG_USER_ONLY)
7225     ctx.hv = msr_hv || !env->has_hv_mode;
7226 #endif
7227     ctx.insns_flags = env->insns_flags;
7228     ctx.insns_flags2 = env->insns_flags2;
7229     ctx.access_type = -1;
7230     ctx.need_access_type = !(env->mmu_model & POWERPC_MMU_64B);
7231     ctx.le_mode = !!(env->hflags & (1 << MSR_LE));
7232     ctx.default_tcg_memop_mask = ctx.le_mode ? MO_LE : MO_BE;
7233 #if defined(TARGET_PPC64)
7234     ctx.sf_mode = msr_is_64bit(env, env->msr);
7235     ctx.has_cfar = !!(env->flags & POWERPC_FLAG_CFAR);
7236 #endif
7237     if (env->mmu_model == POWERPC_MMU_32B ||
7238         env->mmu_model == POWERPC_MMU_601 ||
7239         (env->mmu_model & POWERPC_MMU_64B))
7240             ctx.lazy_tlb_flush = true;
7241 
7242     ctx.fpu_enabled = !!msr_fp;
7243     if ((env->flags & POWERPC_FLAG_SPE) && msr_spe)
7244         ctx.spe_enabled = !!msr_spe;
7245     else
7246         ctx.spe_enabled = false;
7247     if ((env->flags & POWERPC_FLAG_VRE) && msr_vr)
7248         ctx.altivec_enabled = !!msr_vr;
7249     else
7250         ctx.altivec_enabled = false;
7251     if ((env->flags & POWERPC_FLAG_VSX) && msr_vsx) {
7252         ctx.vsx_enabled = !!msr_vsx;
7253     } else {
7254         ctx.vsx_enabled = false;
7255     }
7256 #if defined(TARGET_PPC64)
7257     if ((env->flags & POWERPC_FLAG_TM) && msr_tm) {
7258         ctx.tm_enabled = !!msr_tm;
7259     } else {
7260         ctx.tm_enabled = false;
7261     }
7262 #endif
7263     ctx.gtse = !!(env->spr[SPR_LPCR] & LPCR_GTSE);
7264     if ((env->flags & POWERPC_FLAG_SE) && msr_se)
7265         ctx.singlestep_enabled = CPU_SINGLE_STEP;
7266     else
7267         ctx.singlestep_enabled = 0;
7268     if ((env->flags & POWERPC_FLAG_BE) && msr_be)
7269         ctx.singlestep_enabled |= CPU_BRANCH_STEP;
7270     if (unlikely(cs->singlestep_enabled)) {
7271         ctx.singlestep_enabled |= GDBSTUB_SINGLE_STEP;
7272     }
7273 #if defined (DO_SINGLE_STEP) && 0
7274     /* Single step trace mode */
7275     msr_se = 1;
7276 #endif
7277     num_insns = 0;
7278     max_insns = tb->cflags & CF_COUNT_MASK;
7279     if (max_insns == 0) {
7280         max_insns = CF_COUNT_MASK;
7281     }
7282     if (max_insns > TCG_MAX_INSNS) {
7283         max_insns = TCG_MAX_INSNS;
7284     }
7285 
7286     gen_tb_start(tb);
7287     tcg_clear_temp_count();
7288     /* Set env in case of segfault during code fetch */
7289     while (ctx.exception == POWERPC_EXCP_NONE && !tcg_op_buf_full()) {
7290         tcg_gen_insn_start(ctx.nip);
7291         num_insns++;
7292 
7293         if (unlikely(cpu_breakpoint_test(cs, ctx.nip, BP_ANY))) {
7294             gen_debug_exception(ctxp);
7295             /* The address covered by the breakpoint must be included in
7296                [tb->pc, tb->pc + tb->size) in order to for it to be
7297                properly cleared -- thus we increment the PC here so that
7298                the logic setting tb->size below does the right thing.  */
7299             ctx.nip += 4;
7300             break;
7301         }
7302 
7303         LOG_DISAS("----------------\n");
7304         LOG_DISAS("nip=" TARGET_FMT_lx " super=%d ir=%d\n",
7305                   ctx.nip, ctx.mem_idx, (int)msr_ir);
7306         if (num_insns == max_insns && (tb->cflags & CF_LAST_IO))
7307             gen_io_start();
7308         if (unlikely(need_byteswap(&ctx))) {
7309             ctx.opcode = bswap32(cpu_ldl_code(env, ctx.nip));
7310         } else {
7311             ctx.opcode = cpu_ldl_code(env, ctx.nip);
7312         }
7313         LOG_DISAS("translate opcode %08x (%02x %02x %02x %02x) (%s)\n",
7314                   ctx.opcode, opc1(ctx.opcode), opc2(ctx.opcode),
7315                   opc3(ctx.opcode), opc4(ctx.opcode),
7316                   ctx.le_mode ? "little" : "big");
7317         ctx.nip += 4;
7318         table = env->opcodes;
7319         handler = table[opc1(ctx.opcode)];
7320         if (is_indirect_opcode(handler)) {
7321             table = ind_table(handler);
7322             handler = table[opc2(ctx.opcode)];
7323             if (is_indirect_opcode(handler)) {
7324                 table = ind_table(handler);
7325                 handler = table[opc3(ctx.opcode)];
7326                 if (is_indirect_opcode(handler)) {
7327                     table = ind_table(handler);
7328                     handler = table[opc4(ctx.opcode)];
7329                 }
7330             }
7331         }
7332         /* Is opcode *REALLY* valid ? */
7333         if (unlikely(handler->handler == &gen_invalid)) {
7334             qemu_log_mask(LOG_GUEST_ERROR, "invalid/unsupported opcode: "
7335                           "%02x - %02x - %02x - %02x (%08x) "
7336                           TARGET_FMT_lx " %d\n",
7337                           opc1(ctx.opcode), opc2(ctx.opcode),
7338                           opc3(ctx.opcode), opc4(ctx.opcode),
7339                           ctx.opcode, ctx.nip - 4, (int)msr_ir);
7340         } else {
7341             uint32_t inval;
7342 
7343             if (unlikely(handler->type & (PPC_SPE | PPC_SPE_SINGLE | PPC_SPE_DOUBLE) && Rc(ctx.opcode))) {
7344                 inval = handler->inval2;
7345             } else {
7346                 inval = handler->inval1;
7347             }
7348 
7349             if (unlikely((ctx.opcode & inval) != 0)) {
7350                 qemu_log_mask(LOG_GUEST_ERROR, "invalid bits: %08x for opcode: "
7351                               "%02x - %02x - %02x - %02x (%08x) "
7352                               TARGET_FMT_lx "\n", ctx.opcode & inval,
7353                               opc1(ctx.opcode), opc2(ctx.opcode),
7354                               opc3(ctx.opcode), opc4(ctx.opcode),
7355                               ctx.opcode, ctx.nip - 4);
7356                 gen_inval_exception(ctxp, POWERPC_EXCP_INVAL_INVAL);
7357                 break;
7358             }
7359         }
7360         (*(handler->handler))(&ctx);
7361 #if defined(DO_PPC_STATISTICS)
7362         handler->count++;
7363 #endif
7364         /* Check trace mode exceptions */
7365         if (unlikely(ctx.singlestep_enabled & CPU_SINGLE_STEP &&
7366                      (ctx.nip <= 0x100 || ctx.nip > 0xF00) &&
7367                      ctx.exception != POWERPC_SYSCALL &&
7368                      ctx.exception != POWERPC_EXCP_TRAP &&
7369                      ctx.exception != POWERPC_EXCP_BRANCH)) {
7370             gen_exception_nip(ctxp, POWERPC_EXCP_TRACE, ctx.nip);
7371         } else if (unlikely(((ctx.nip & (TARGET_PAGE_SIZE - 1)) == 0) ||
7372                             (cs->singlestep_enabled) ||
7373                             singlestep ||
7374                             num_insns >= max_insns)) {
7375             /* if we reach a page boundary or are single stepping, stop
7376              * generation
7377              */
7378             break;
7379         }
7380         if (tcg_check_temp_count()) {
7381             fprintf(stderr, "Opcode %02x %02x %02x %02x (%08x) leaked "
7382                     "temporaries\n", opc1(ctx.opcode), opc2(ctx.opcode),
7383                     opc3(ctx.opcode), opc4(ctx.opcode), ctx.opcode);
7384             exit(1);
7385         }
7386     }
7387     if (tb->cflags & CF_LAST_IO)
7388         gen_io_end();
7389     if (ctx.exception == POWERPC_EXCP_NONE) {
7390         gen_goto_tb(&ctx, 0, ctx.nip);
7391     } else if (ctx.exception != POWERPC_EXCP_BRANCH) {
7392         if (unlikely(cs->singlestep_enabled)) {
7393             gen_debug_exception(ctxp);
7394         }
7395         /* Generate the return instruction */
7396         tcg_gen_exit_tb(0);
7397     }
7398     gen_tb_end(tb, num_insns);
7399 
7400     tb->size = ctx.nip - pc_start;
7401     tb->icount = num_insns;
7402 
7403 #if defined(DEBUG_DISAS)
7404     if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)
7405         && qemu_log_in_addr_range(pc_start)) {
7406         int flags;
7407         flags = env->bfd_mach;
7408         flags |= ctx.le_mode << 16;
7409         qemu_log_lock();
7410         qemu_log("IN: %s\n", lookup_symbol(pc_start));
7411         log_target_disas(cs, pc_start, ctx.nip - pc_start, flags);
7412         qemu_log("\n");
7413         qemu_log_unlock();
7414     }
7415 #endif
7416 }
7417 
7418 void restore_state_to_opc(CPUPPCState *env, TranslationBlock *tb,
7419                           target_ulong *data)
7420 {
7421     env->nip = data[0];
7422 }
7423