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Merge remote-tracking branch 'remotes/dg-gitlab/tags/ppc-for-6.2-20210930' into staging
[mirror_qemu.git] / target / ppc / translate.c
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 2.1 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/tcg-op.h"
27 #include "tcg/tcg-op-gvec.h"
28 #include "qemu/host-utils.h"
29 #include "qemu/main-loop.h"
30 #include "exec/cpu_ldst.h"
31
32 #include "exec/helper-proto.h"
33 #include "exec/helper-gen.h"
34
35 #include "exec/translator.h"
36 #include "exec/log.h"
37 #include "qemu/atomic128.h"
38 #include "spr_tcg.h"
39
40 #include "qemu/qemu-print.h"
41 #include "qapi/error.h"
42
43 #define CPU_SINGLE_STEP 0x1
44 #define CPU_BRANCH_STEP 0x2
45 #define GDBSTUB_SINGLE_STEP 0x4
46
47 /* Include definitions for instructions classes and implementations flags */
48 /* #define PPC_DEBUG_DISAS */
49
50 #ifdef PPC_DEBUG_DISAS
51 # define LOG_DISAS(...) qemu_log_mask(CPU_LOG_TB_IN_ASM, ## __VA_ARGS__)
52 #else
53 # define LOG_DISAS(...) do { } while (0)
54 #endif
55 /*****************************************************************************/
56 /* Code translation helpers */
57
58 /* global register indexes */
59 static char cpu_reg_names[10 * 3 + 22 * 4 /* GPR */
60 + 10 * 4 + 22 * 5 /* SPE GPRh */
61 + 8 * 5 /* CRF */];
62 static TCGv cpu_gpr[32];
63 static TCGv cpu_gprh[32];
64 static TCGv_i32 cpu_crf[8];
65 static TCGv cpu_nip;
66 static TCGv cpu_msr;
67 static TCGv cpu_ctr;
68 static TCGv cpu_lr;
69 #if defined(TARGET_PPC64)
70 static TCGv cpu_cfar;
71 #endif
72 static TCGv cpu_xer, cpu_so, cpu_ov, cpu_ca, cpu_ov32, cpu_ca32;
73 static TCGv cpu_reserve;
74 static TCGv cpu_reserve_val;
75 static TCGv cpu_fpscr;
76 static TCGv_i32 cpu_access_type;
77
78 #include "exec/gen-icount.h"
79
80 void ppc_translate_init(void)
81 {
82 int i;
83 char *p;
84 size_t cpu_reg_names_size;
85
86 p = cpu_reg_names;
87 cpu_reg_names_size = sizeof(cpu_reg_names);
88
89 for (i = 0; i < 8; i++) {
90 snprintf(p, cpu_reg_names_size, "crf%d", i);
91 cpu_crf[i] = tcg_global_mem_new_i32(cpu_env,
92 offsetof(CPUPPCState, crf[i]), p);
93 p += 5;
94 cpu_reg_names_size -= 5;
95 }
96
97 for (i = 0; i < 32; i++) {
98 snprintf(p, cpu_reg_names_size, "r%d", i);
99 cpu_gpr[i] = tcg_global_mem_new(cpu_env,
100 offsetof(CPUPPCState, gpr[i]), p);
101 p += (i < 10) ? 3 : 4;
102 cpu_reg_names_size -= (i < 10) ? 3 : 4;
103 snprintf(p, cpu_reg_names_size, "r%dH", i);
104 cpu_gprh[i] = tcg_global_mem_new(cpu_env,
105 offsetof(CPUPPCState, gprh[i]), p);
106 p += (i < 10) ? 4 : 5;
107 cpu_reg_names_size -= (i < 10) ? 4 : 5;
108 }
109
110 cpu_nip = tcg_global_mem_new(cpu_env,
111 offsetof(CPUPPCState, nip), "nip");
112
113 cpu_msr = tcg_global_mem_new(cpu_env,
114 offsetof(CPUPPCState, msr), "msr");
115
116 cpu_ctr = tcg_global_mem_new(cpu_env,
117 offsetof(CPUPPCState, ctr), "ctr");
118
119 cpu_lr = tcg_global_mem_new(cpu_env,
120 offsetof(CPUPPCState, lr), "lr");
121
122 #if defined(TARGET_PPC64)
123 cpu_cfar = tcg_global_mem_new(cpu_env,
124 offsetof(CPUPPCState, cfar), "cfar");
125 #endif
126
127 cpu_xer = tcg_global_mem_new(cpu_env,
128 offsetof(CPUPPCState, xer), "xer");
129 cpu_so = tcg_global_mem_new(cpu_env,
130 offsetof(CPUPPCState, so), "SO");
131 cpu_ov = tcg_global_mem_new(cpu_env,
132 offsetof(CPUPPCState, ov), "OV");
133 cpu_ca = tcg_global_mem_new(cpu_env,
134 offsetof(CPUPPCState, ca), "CA");
135 cpu_ov32 = tcg_global_mem_new(cpu_env,
136 offsetof(CPUPPCState, ov32), "OV32");
137 cpu_ca32 = tcg_global_mem_new(cpu_env,
138 offsetof(CPUPPCState, ca32), "CA32");
139
140 cpu_reserve = tcg_global_mem_new(cpu_env,
141 offsetof(CPUPPCState, reserve_addr),
142 "reserve_addr");
143 cpu_reserve_val = tcg_global_mem_new(cpu_env,
144 offsetof(CPUPPCState, reserve_val),
145 "reserve_val");
146
147 cpu_fpscr = tcg_global_mem_new(cpu_env,
148 offsetof(CPUPPCState, fpscr), "fpscr");
149
150 cpu_access_type = tcg_global_mem_new_i32(cpu_env,
151 offsetof(CPUPPCState, access_type),
152 "access_type");
153 }
154
155 /* internal defines */
156 struct DisasContext {
157 DisasContextBase base;
158 target_ulong cia; /* current instruction address */
159 uint32_t opcode;
160 /* Routine used to access memory */
161 bool pr, hv, dr, le_mode;
162 bool lazy_tlb_flush;
163 bool need_access_type;
164 int mem_idx;
165 int access_type;
166 /* Translation flags */
167 MemOp default_tcg_memop_mask;
168 #if defined(TARGET_PPC64)
169 bool sf_mode;
170 bool has_cfar;
171 #endif
172 bool fpu_enabled;
173 bool altivec_enabled;
174 bool vsx_enabled;
175 bool spe_enabled;
176 bool tm_enabled;
177 bool gtse;
178 bool hr;
179 ppc_spr_t *spr_cb; /* Needed to check rights for mfspr/mtspr */
180 int singlestep_enabled;
181 uint32_t flags;
182 uint64_t insns_flags;
183 uint64_t insns_flags2;
184 };
185
186 #define DISAS_EXIT DISAS_TARGET_0 /* exit to main loop, pc updated */
187 #define DISAS_EXIT_UPDATE DISAS_TARGET_1 /* exit to main loop, pc stale */
188 #define DISAS_CHAIN DISAS_TARGET_2 /* lookup next tb, pc updated */
189 #define DISAS_CHAIN_UPDATE DISAS_TARGET_3 /* lookup next tb, pc stale */
190
191 /* Return true iff byteswap is needed in a scalar memop */
192 static inline bool need_byteswap(const DisasContext *ctx)
193 {
194 #if defined(TARGET_WORDS_BIGENDIAN)
195 return ctx->le_mode;
196 #else
197 return !ctx->le_mode;
198 #endif
199 }
200
201 /* True when active word size < size of target_long. */
202 #ifdef TARGET_PPC64
203 # define NARROW_MODE(C) (!(C)->sf_mode)
204 #else
205 # define NARROW_MODE(C) 0
206 #endif
207
208 struct opc_handler_t {
209 /* invalid bits for instruction 1 (Rc(opcode) == 0) */
210 uint32_t inval1;
211 /* invalid bits for instruction 2 (Rc(opcode) == 1) */
212 uint32_t inval2;
213 /* instruction type */
214 uint64_t type;
215 /* extended instruction type */
216 uint64_t type2;
217 /* handler */
218 void (*handler)(DisasContext *ctx);
219 };
220
221 /* SPR load/store helpers */
222 static inline void gen_load_spr(TCGv t, int reg)
223 {
224 tcg_gen_ld_tl(t, cpu_env, offsetof(CPUPPCState, spr[reg]));
225 }
226
227 static inline void gen_store_spr(int reg, TCGv t)
228 {
229 tcg_gen_st_tl(t, cpu_env, offsetof(CPUPPCState, spr[reg]));
230 }
231
232 static inline void gen_set_access_type(DisasContext *ctx, int access_type)
233 {
234 if (ctx->need_access_type && ctx->access_type != access_type) {
235 tcg_gen_movi_i32(cpu_access_type, access_type);
236 ctx->access_type = access_type;
237 }
238 }
239
240 static inline void gen_update_nip(DisasContext *ctx, target_ulong nip)
241 {
242 if (NARROW_MODE(ctx)) {
243 nip = (uint32_t)nip;
244 }
245 tcg_gen_movi_tl(cpu_nip, nip);
246 }
247
248 static void gen_exception_err(DisasContext *ctx, uint32_t excp, uint32_t error)
249 {
250 TCGv_i32 t0, t1;
251
252 /*
253 * These are all synchronous exceptions, we set the PC back to the
254 * faulting instruction
255 */
256 gen_update_nip(ctx, ctx->cia);
257 t0 = tcg_const_i32(excp);
258 t1 = tcg_const_i32(error);
259 gen_helper_raise_exception_err(cpu_env, t0, t1);
260 tcg_temp_free_i32(t0);
261 tcg_temp_free_i32(t1);
262 ctx->base.is_jmp = DISAS_NORETURN;
263 }
264
265 static void gen_exception(DisasContext *ctx, uint32_t excp)
266 {
267 TCGv_i32 t0;
268
269 /*
270 * These are all synchronous exceptions, we set the PC back to the
271 * faulting instruction
272 */
273 gen_update_nip(ctx, ctx->cia);
274 t0 = tcg_const_i32(excp);
275 gen_helper_raise_exception(cpu_env, t0);
276 tcg_temp_free_i32(t0);
277 ctx->base.is_jmp = DISAS_NORETURN;
278 }
279
280 static void gen_exception_nip(DisasContext *ctx, uint32_t excp,
281 target_ulong nip)
282 {
283 TCGv_i32 t0;
284
285 gen_update_nip(ctx, nip);
286 t0 = tcg_const_i32(excp);
287 gen_helper_raise_exception(cpu_env, t0);
288 tcg_temp_free_i32(t0);
289 ctx->base.is_jmp = DISAS_NORETURN;
290 }
291
292 static void gen_icount_io_start(DisasContext *ctx)
293 {
294 if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) {
295 gen_io_start();
296 /*
297 * An I/O instruction must be last in the TB.
298 * Chain to the next TB, and let the code from gen_tb_start
299 * decide if we need to return to the main loop.
300 * Doing this first also allows this value to be overridden.
301 */
302 ctx->base.is_jmp = DISAS_TOO_MANY;
303 }
304 }
305
306 /*
307 * Tells the caller what is the appropriate exception to generate and prepares
308 * SPR registers for this exception.
309 *
310 * The exception can be either POWERPC_EXCP_TRACE (on most PowerPCs) or
311 * POWERPC_EXCP_DEBUG (on BookE).
312 */
313 static uint32_t gen_prep_dbgex(DisasContext *ctx)
314 {
315 if (ctx->flags & POWERPC_FLAG_DE) {
316 target_ulong dbsr = 0;
317 if (ctx->singlestep_enabled & CPU_SINGLE_STEP) {
318 dbsr = DBCR0_ICMP;
319 } else {
320 /* Must have been branch */
321 dbsr = DBCR0_BRT;
322 }
323 TCGv t0 = tcg_temp_new();
324 gen_load_spr(t0, SPR_BOOKE_DBSR);
325 tcg_gen_ori_tl(t0, t0, dbsr);
326 gen_store_spr(SPR_BOOKE_DBSR, t0);
327 tcg_temp_free(t0);
328 return POWERPC_EXCP_DEBUG;
329 } else {
330 return POWERPC_EXCP_TRACE;
331 }
332 }
333
334 static void gen_debug_exception(DisasContext *ctx)
335 {
336 gen_helper_raise_exception(cpu_env, tcg_constant_i32(EXCP_DEBUG));
337 ctx->base.is_jmp = DISAS_NORETURN;
338 }
339
340 static inline void gen_inval_exception(DisasContext *ctx, uint32_t error)
341 {
342 /* Will be converted to program check if needed */
343 gen_exception_err(ctx, POWERPC_EXCP_HV_EMU, POWERPC_EXCP_INVAL | error);
344 }
345
346 static inline void gen_priv_exception(DisasContext *ctx, uint32_t error)
347 {
348 gen_exception_err(ctx, POWERPC_EXCP_PROGRAM, POWERPC_EXCP_PRIV | error);
349 }
350
351 static inline void gen_hvpriv_exception(DisasContext *ctx, uint32_t error)
352 {
353 /* Will be converted to program check if needed */
354 gen_exception_err(ctx, POWERPC_EXCP_HV_EMU, POWERPC_EXCP_PRIV | error);
355 }
356
357 /*****************************************************************************/
358 /* SPR READ/WRITE CALLBACKS */
359
360 void spr_noaccess(DisasContext *ctx, int gprn, int sprn)
361 {
362 #if 0
363 sprn = ((sprn >> 5) & 0x1F) | ((sprn & 0x1F) << 5);
364 printf("ERROR: try to access SPR %d !\n", sprn);
365 #endif
366 }
367
368 /* #define PPC_DUMP_SPR_ACCESSES */
369
370 /*
371 * Generic callbacks:
372 * do nothing but store/retrieve spr value
373 */
374 static void spr_load_dump_spr(int sprn)
375 {
376 #ifdef PPC_DUMP_SPR_ACCESSES
377 TCGv_i32 t0 = tcg_const_i32(sprn);
378 gen_helper_load_dump_spr(cpu_env, t0);
379 tcg_temp_free_i32(t0);
380 #endif
381 }
382
383 void spr_read_generic(DisasContext *ctx, int gprn, int sprn)
384 {
385 gen_load_spr(cpu_gpr[gprn], sprn);
386 spr_load_dump_spr(sprn);
387 }
388
389 static void spr_store_dump_spr(int sprn)
390 {
391 #ifdef PPC_DUMP_SPR_ACCESSES
392 TCGv_i32 t0 = tcg_const_i32(sprn);
393 gen_helper_store_dump_spr(cpu_env, t0);
394 tcg_temp_free_i32(t0);
395 #endif
396 }
397
398 void spr_write_generic(DisasContext *ctx, int sprn, int gprn)
399 {
400 gen_store_spr(sprn, cpu_gpr[gprn]);
401 spr_store_dump_spr(sprn);
402 }
403
404 #if !defined(CONFIG_USER_ONLY)
405 void spr_write_generic32(DisasContext *ctx, int sprn, int gprn)
406 {
407 #ifdef TARGET_PPC64
408 TCGv t0 = tcg_temp_new();
409 tcg_gen_ext32u_tl(t0, cpu_gpr[gprn]);
410 gen_store_spr(sprn, t0);
411 tcg_temp_free(t0);
412 spr_store_dump_spr(sprn);
413 #else
414 spr_write_generic(ctx, sprn, gprn);
415 #endif
416 }
417
418 void spr_write_clear(DisasContext *ctx, int sprn, int gprn)
419 {
420 TCGv t0 = tcg_temp_new();
421 TCGv t1 = tcg_temp_new();
422 gen_load_spr(t0, sprn);
423 tcg_gen_neg_tl(t1, cpu_gpr[gprn]);
424 tcg_gen_and_tl(t0, t0, t1);
425 gen_store_spr(sprn, t0);
426 tcg_temp_free(t0);
427 tcg_temp_free(t1);
428 }
429
430 void spr_access_nop(DisasContext *ctx, int sprn, int gprn)
431 {
432 }
433
434 #endif
435
436 /* SPR common to all PowerPC */
437 /* XER */
438 void spr_read_xer(DisasContext *ctx, int gprn, int sprn)
439 {
440 TCGv dst = cpu_gpr[gprn];
441 TCGv t0 = tcg_temp_new();
442 TCGv t1 = tcg_temp_new();
443 TCGv t2 = tcg_temp_new();
444 tcg_gen_mov_tl(dst, cpu_xer);
445 tcg_gen_shli_tl(t0, cpu_so, XER_SO);
446 tcg_gen_shli_tl(t1, cpu_ov, XER_OV);
447 tcg_gen_shli_tl(t2, cpu_ca, XER_CA);
448 tcg_gen_or_tl(t0, t0, t1);
449 tcg_gen_or_tl(dst, dst, t2);
450 tcg_gen_or_tl(dst, dst, t0);
451 if (is_isa300(ctx)) {
452 tcg_gen_shli_tl(t0, cpu_ov32, XER_OV32);
453 tcg_gen_or_tl(dst, dst, t0);
454 tcg_gen_shli_tl(t0, cpu_ca32, XER_CA32);
455 tcg_gen_or_tl(dst, dst, t0);
456 }
457 tcg_temp_free(t0);
458 tcg_temp_free(t1);
459 tcg_temp_free(t2);
460 }
461
462 void spr_write_xer(DisasContext *ctx, int sprn, int gprn)
463 {
464 TCGv src = cpu_gpr[gprn];
465 /* Write all flags, while reading back check for isa300 */
466 tcg_gen_andi_tl(cpu_xer, src,
467 ~((1u << XER_SO) |
468 (1u << XER_OV) | (1u << XER_OV32) |
469 (1u << XER_CA) | (1u << XER_CA32)));
470 tcg_gen_extract_tl(cpu_ov32, src, XER_OV32, 1);
471 tcg_gen_extract_tl(cpu_ca32, src, XER_CA32, 1);
472 tcg_gen_extract_tl(cpu_so, src, XER_SO, 1);
473 tcg_gen_extract_tl(cpu_ov, src, XER_OV, 1);
474 tcg_gen_extract_tl(cpu_ca, src, XER_CA, 1);
475 }
476
477 /* LR */
478 void spr_read_lr(DisasContext *ctx, int gprn, int sprn)
479 {
480 tcg_gen_mov_tl(cpu_gpr[gprn], cpu_lr);
481 }
482
483 void spr_write_lr(DisasContext *ctx, int sprn, int gprn)
484 {
485 tcg_gen_mov_tl(cpu_lr, cpu_gpr[gprn]);
486 }
487
488 /* CFAR */
489 #if defined(TARGET_PPC64) && !defined(CONFIG_USER_ONLY)
490 void spr_read_cfar(DisasContext *ctx, int gprn, int sprn)
491 {
492 tcg_gen_mov_tl(cpu_gpr[gprn], cpu_cfar);
493 }
494
495 void spr_write_cfar(DisasContext *ctx, int sprn, int gprn)
496 {
497 tcg_gen_mov_tl(cpu_cfar, cpu_gpr[gprn]);
498 }
499 #endif /* defined(TARGET_PPC64) && !defined(CONFIG_USER_ONLY) */
500
501 /* CTR */
502 void spr_read_ctr(DisasContext *ctx, int gprn, int sprn)
503 {
504 tcg_gen_mov_tl(cpu_gpr[gprn], cpu_ctr);
505 }
506
507 void spr_write_ctr(DisasContext *ctx, int sprn, int gprn)
508 {
509 tcg_gen_mov_tl(cpu_ctr, cpu_gpr[gprn]);
510 }
511
512 /* User read access to SPR */
513 /* USPRx */
514 /* UMMCRx */
515 /* UPMCx */
516 /* USIA */
517 /* UDECR */
518 void spr_read_ureg(DisasContext *ctx, int gprn, int sprn)
519 {
520 gen_load_spr(cpu_gpr[gprn], sprn + 0x10);
521 }
522
523 #if defined(TARGET_PPC64) && !defined(CONFIG_USER_ONLY)
524 void spr_write_ureg(DisasContext *ctx, int sprn, int gprn)
525 {
526 gen_store_spr(sprn + 0x10, cpu_gpr[gprn]);
527 }
528 #endif
529
530 /* SPR common to all non-embedded PowerPC */
531 /* DECR */
532 #if !defined(CONFIG_USER_ONLY)
533 void spr_read_decr(DisasContext *ctx, int gprn, int sprn)
534 {
535 gen_icount_io_start(ctx);
536 gen_helper_load_decr(cpu_gpr[gprn], cpu_env);
537 }
538
539 void spr_write_decr(DisasContext *ctx, int sprn, int gprn)
540 {
541 gen_icount_io_start(ctx);
542 gen_helper_store_decr(cpu_env, cpu_gpr[gprn]);
543 }
544 #endif
545
546 /* SPR common to all non-embedded PowerPC, except 601 */
547 /* Time base */
548 void spr_read_tbl(DisasContext *ctx, int gprn, int sprn)
549 {
550 gen_icount_io_start(ctx);
551 gen_helper_load_tbl(cpu_gpr[gprn], cpu_env);
552 }
553
554 void spr_read_tbu(DisasContext *ctx, int gprn, int sprn)
555 {
556 gen_icount_io_start(ctx);
557 gen_helper_load_tbu(cpu_gpr[gprn], cpu_env);
558 }
559
560 void spr_read_atbl(DisasContext *ctx, int gprn, int sprn)
561 {
562 gen_helper_load_atbl(cpu_gpr[gprn], cpu_env);
563 }
564
565 void spr_read_atbu(DisasContext *ctx, int gprn, int sprn)
566 {
567 gen_helper_load_atbu(cpu_gpr[gprn], cpu_env);
568 }
569
570 #if !defined(CONFIG_USER_ONLY)
571 void spr_write_tbl(DisasContext *ctx, int sprn, int gprn)
572 {
573 gen_icount_io_start(ctx);
574 gen_helper_store_tbl(cpu_env, cpu_gpr[gprn]);
575 }
576
577 void spr_write_tbu(DisasContext *ctx, int sprn, int gprn)
578 {
579 gen_icount_io_start(ctx);
580 gen_helper_store_tbu(cpu_env, cpu_gpr[gprn]);
581 }
582
583 void spr_write_atbl(DisasContext *ctx, int sprn, int gprn)
584 {
585 gen_helper_store_atbl(cpu_env, cpu_gpr[gprn]);
586 }
587
588 void spr_write_atbu(DisasContext *ctx, int sprn, int gprn)
589 {
590 gen_helper_store_atbu(cpu_env, cpu_gpr[gprn]);
591 }
592
593 #if defined(TARGET_PPC64)
594 void spr_read_purr(DisasContext *ctx, int gprn, int sprn)
595 {
596 gen_icount_io_start(ctx);
597 gen_helper_load_purr(cpu_gpr[gprn], cpu_env);
598 }
599
600 void spr_write_purr(DisasContext *ctx, int sprn, int gprn)
601 {
602 gen_icount_io_start(ctx);
603 gen_helper_store_purr(cpu_env, cpu_gpr[gprn]);
604 }
605
606 /* HDECR */
607 void spr_read_hdecr(DisasContext *ctx, int gprn, int sprn)
608 {
609 gen_icount_io_start(ctx);
610 gen_helper_load_hdecr(cpu_gpr[gprn], cpu_env);
611 }
612
613 void spr_write_hdecr(DisasContext *ctx, int sprn, int gprn)
614 {
615 gen_icount_io_start(ctx);
616 gen_helper_store_hdecr(cpu_env, cpu_gpr[gprn]);
617 }
618
619 void spr_read_vtb(DisasContext *ctx, int gprn, int sprn)
620 {
621 gen_icount_io_start(ctx);
622 gen_helper_load_vtb(cpu_gpr[gprn], cpu_env);
623 }
624
625 void spr_write_vtb(DisasContext *ctx, int sprn, int gprn)
626 {
627 gen_icount_io_start(ctx);
628 gen_helper_store_vtb(cpu_env, cpu_gpr[gprn]);
629 }
630
631 void spr_write_tbu40(DisasContext *ctx, int sprn, int gprn)
632 {
633 gen_icount_io_start(ctx);
634 gen_helper_store_tbu40(cpu_env, cpu_gpr[gprn]);
635 }
636
637 #endif
638 #endif
639
640 #if !defined(CONFIG_USER_ONLY)
641 /* IBAT0U...IBAT0U */
642 /* IBAT0L...IBAT7L */
643 void spr_read_ibat(DisasContext *ctx, int gprn, int sprn)
644 {
645 tcg_gen_ld_tl(cpu_gpr[gprn], cpu_env,
646 offsetof(CPUPPCState,
647 IBAT[sprn & 1][(sprn - SPR_IBAT0U) / 2]));
648 }
649
650 void spr_read_ibat_h(DisasContext *ctx, int gprn, int sprn)
651 {
652 tcg_gen_ld_tl(cpu_gpr[gprn], cpu_env,
653 offsetof(CPUPPCState,
654 IBAT[sprn & 1][((sprn - SPR_IBAT4U) / 2) + 4]));
655 }
656
657 void spr_write_ibatu(DisasContext *ctx, int sprn, int gprn)
658 {
659 TCGv_i32 t0 = tcg_const_i32((sprn - SPR_IBAT0U) / 2);
660 gen_helper_store_ibatu(cpu_env, t0, cpu_gpr[gprn]);
661 tcg_temp_free_i32(t0);
662 }
663
664 void spr_write_ibatu_h(DisasContext *ctx, int sprn, int gprn)
665 {
666 TCGv_i32 t0 = tcg_const_i32(((sprn - SPR_IBAT4U) / 2) + 4);
667 gen_helper_store_ibatu(cpu_env, t0, cpu_gpr[gprn]);
668 tcg_temp_free_i32(t0);
669 }
670
671 void spr_write_ibatl(DisasContext *ctx, int sprn, int gprn)
672 {
673 TCGv_i32 t0 = tcg_const_i32((sprn - SPR_IBAT0L) / 2);
674 gen_helper_store_ibatl(cpu_env, t0, cpu_gpr[gprn]);
675 tcg_temp_free_i32(t0);
676 }
677
678 void spr_write_ibatl_h(DisasContext *ctx, int sprn, int gprn)
679 {
680 TCGv_i32 t0 = tcg_const_i32(((sprn - SPR_IBAT4L) / 2) + 4);
681 gen_helper_store_ibatl(cpu_env, t0, cpu_gpr[gprn]);
682 tcg_temp_free_i32(t0);
683 }
684
685 /* DBAT0U...DBAT7U */
686 /* DBAT0L...DBAT7L */
687 void spr_read_dbat(DisasContext *ctx, int gprn, int sprn)
688 {
689 tcg_gen_ld_tl(cpu_gpr[gprn], cpu_env,
690 offsetof(CPUPPCState,
691 DBAT[sprn & 1][(sprn - SPR_DBAT0U) / 2]));
692 }
693
694 void spr_read_dbat_h(DisasContext *ctx, int gprn, int sprn)
695 {
696 tcg_gen_ld_tl(cpu_gpr[gprn], cpu_env,
697 offsetof(CPUPPCState,
698 DBAT[sprn & 1][((sprn - SPR_DBAT4U) / 2) + 4]));
699 }
700
701 void spr_write_dbatu(DisasContext *ctx, int sprn, int gprn)
702 {
703 TCGv_i32 t0 = tcg_const_i32((sprn - SPR_DBAT0U) / 2);
704 gen_helper_store_dbatu(cpu_env, t0, cpu_gpr[gprn]);
705 tcg_temp_free_i32(t0);
706 }
707
708 void spr_write_dbatu_h(DisasContext *ctx, int sprn, int gprn)
709 {
710 TCGv_i32 t0 = tcg_const_i32(((sprn - SPR_DBAT4U) / 2) + 4);
711 gen_helper_store_dbatu(cpu_env, t0, cpu_gpr[gprn]);
712 tcg_temp_free_i32(t0);
713 }
714
715 void spr_write_dbatl(DisasContext *ctx, int sprn, int gprn)
716 {
717 TCGv_i32 t0 = tcg_const_i32((sprn - SPR_DBAT0L) / 2);
718 gen_helper_store_dbatl(cpu_env, t0, cpu_gpr[gprn]);
719 tcg_temp_free_i32(t0);
720 }
721
722 void spr_write_dbatl_h(DisasContext *ctx, int sprn, int gprn)
723 {
724 TCGv_i32 t0 = tcg_const_i32(((sprn - SPR_DBAT4L) / 2) + 4);
725 gen_helper_store_dbatl(cpu_env, t0, cpu_gpr[gprn]);
726 tcg_temp_free_i32(t0);
727 }
728
729 /* SDR1 */
730 void spr_write_sdr1(DisasContext *ctx, int sprn, int gprn)
731 {
732 gen_helper_store_sdr1(cpu_env, cpu_gpr[gprn]);
733 }
734
735 #if defined(TARGET_PPC64)
736 /* 64 bits PowerPC specific SPRs */
737 /* PIDR */
738 void spr_write_pidr(DisasContext *ctx, int sprn, int gprn)
739 {
740 gen_helper_store_pidr(cpu_env, cpu_gpr[gprn]);
741 }
742
743 void spr_write_lpidr(DisasContext *ctx, int sprn, int gprn)
744 {
745 gen_helper_store_lpidr(cpu_env, cpu_gpr[gprn]);
746 }
747
748 void spr_read_hior(DisasContext *ctx, int gprn, int sprn)
749 {
750 tcg_gen_ld_tl(cpu_gpr[gprn], cpu_env, offsetof(CPUPPCState, excp_prefix));
751 }
752
753 void spr_write_hior(DisasContext *ctx, int sprn, int gprn)
754 {
755 TCGv t0 = tcg_temp_new();
756 tcg_gen_andi_tl(t0, cpu_gpr[gprn], 0x3FFFFF00000ULL);
757 tcg_gen_st_tl(t0, cpu_env, offsetof(CPUPPCState, excp_prefix));
758 tcg_temp_free(t0);
759 }
760 void spr_write_ptcr(DisasContext *ctx, int sprn, int gprn)
761 {
762 gen_helper_store_ptcr(cpu_env, cpu_gpr[gprn]);
763 }
764
765 void spr_write_pcr(DisasContext *ctx, int sprn, int gprn)
766 {
767 gen_helper_store_pcr(cpu_env, cpu_gpr[gprn]);
768 }
769
770 /* DPDES */
771 void spr_read_dpdes(DisasContext *ctx, int gprn, int sprn)
772 {
773 gen_helper_load_dpdes(cpu_gpr[gprn], cpu_env);
774 }
775
776 void spr_write_dpdes(DisasContext *ctx, int sprn, int gprn)
777 {
778 gen_helper_store_dpdes(cpu_env, cpu_gpr[gprn]);
779 }
780 #endif
781 #endif
782
783 /* PowerPC 601 specific registers */
784 /* RTC */
785 void spr_read_601_rtcl(DisasContext *ctx, int gprn, int sprn)
786 {
787 gen_helper_load_601_rtcl(cpu_gpr[gprn], cpu_env);
788 }
789
790 void spr_read_601_rtcu(DisasContext *ctx, int gprn, int sprn)
791 {
792 gen_helper_load_601_rtcu(cpu_gpr[gprn], cpu_env);
793 }
794
795 #if !defined(CONFIG_USER_ONLY)
796 void spr_write_601_rtcu(DisasContext *ctx, int sprn, int gprn)
797 {
798 gen_helper_store_601_rtcu(cpu_env, cpu_gpr[gprn]);
799 }
800
801 void spr_write_601_rtcl(DisasContext *ctx, int sprn, int gprn)
802 {
803 gen_helper_store_601_rtcl(cpu_env, cpu_gpr[gprn]);
804 }
805
806 void spr_write_hid0_601(DisasContext *ctx, int sprn, int gprn)
807 {
808 gen_helper_store_hid0_601(cpu_env, cpu_gpr[gprn]);
809 /* Must stop the translation as endianness may have changed */
810 ctx->base.is_jmp = DISAS_EXIT_UPDATE;
811 }
812 #endif
813
814 /* Unified bats */
815 #if !defined(CONFIG_USER_ONLY)
816 void spr_read_601_ubat(DisasContext *ctx, int gprn, int sprn)
817 {
818 tcg_gen_ld_tl(cpu_gpr[gprn], cpu_env,
819 offsetof(CPUPPCState,
820 IBAT[sprn & 1][(sprn - SPR_IBAT0U) / 2]));
821 }
822
823 void spr_write_601_ubatu(DisasContext *ctx, int sprn, int gprn)
824 {
825 TCGv_i32 t0 = tcg_const_i32((sprn - SPR_IBAT0U) / 2);
826 gen_helper_store_601_batl(cpu_env, t0, cpu_gpr[gprn]);
827 tcg_temp_free_i32(t0);
828 }
829
830 void spr_write_601_ubatl(DisasContext *ctx, int sprn, int gprn)
831 {
832 TCGv_i32 t0 = tcg_const_i32((sprn - SPR_IBAT0U) / 2);
833 gen_helper_store_601_batu(cpu_env, t0, cpu_gpr[gprn]);
834 tcg_temp_free_i32(t0);
835 }
836 #endif
837
838 /* PowerPC 40x specific registers */
839 #if !defined(CONFIG_USER_ONLY)
840 void spr_read_40x_pit(DisasContext *ctx, int gprn, int sprn)
841 {
842 gen_icount_io_start(ctx);
843 gen_helper_load_40x_pit(cpu_gpr[gprn], cpu_env);
844 }
845
846 void spr_write_40x_pit(DisasContext *ctx, int sprn, int gprn)
847 {
848 gen_icount_io_start(ctx);
849 gen_helper_store_40x_pit(cpu_env, cpu_gpr[gprn]);
850 }
851
852 void spr_write_40x_dbcr0(DisasContext *ctx, int sprn, int gprn)
853 {
854 gen_icount_io_start(ctx);
855 gen_store_spr(sprn, cpu_gpr[gprn]);
856 gen_helper_store_40x_dbcr0(cpu_env, cpu_gpr[gprn]);
857 /* We must stop translation as we may have rebooted */
858 ctx->base.is_jmp = DISAS_EXIT_UPDATE;
859 }
860
861 void spr_write_40x_sler(DisasContext *ctx, int sprn, int gprn)
862 {
863 gen_icount_io_start(ctx);
864 gen_helper_store_40x_sler(cpu_env, cpu_gpr[gprn]);
865 }
866
867 void spr_write_booke_tcr(DisasContext *ctx, int sprn, int gprn)
868 {
869 gen_icount_io_start(ctx);
870 gen_helper_store_booke_tcr(cpu_env, cpu_gpr[gprn]);
871 }
872
873 void spr_write_booke_tsr(DisasContext *ctx, int sprn, int gprn)
874 {
875 gen_icount_io_start(ctx);
876 gen_helper_store_booke_tsr(cpu_env, cpu_gpr[gprn]);
877 }
878 #endif
879
880 /* PowerPC 403 specific registers */
881 /* PBL1 / PBU1 / PBL2 / PBU2 */
882 #if !defined(CONFIG_USER_ONLY)
883 void spr_read_403_pbr(DisasContext *ctx, int gprn, int sprn)
884 {
885 tcg_gen_ld_tl(cpu_gpr[gprn], cpu_env,
886 offsetof(CPUPPCState, pb[sprn - SPR_403_PBL1]));
887 }
888
889 void spr_write_403_pbr(DisasContext *ctx, int sprn, int gprn)
890 {
891 TCGv_i32 t0 = tcg_const_i32(sprn - SPR_403_PBL1);
892 gen_helper_store_403_pbr(cpu_env, t0, cpu_gpr[gprn]);
893 tcg_temp_free_i32(t0);
894 }
895
896 void spr_write_pir(DisasContext *ctx, int sprn, int gprn)
897 {
898 TCGv t0 = tcg_temp_new();
899 tcg_gen_andi_tl(t0, cpu_gpr[gprn], 0xF);
900 gen_store_spr(SPR_PIR, t0);
901 tcg_temp_free(t0);
902 }
903 #endif
904
905 /* SPE specific registers */
906 void spr_read_spefscr(DisasContext *ctx, int gprn, int sprn)
907 {
908 TCGv_i32 t0 = tcg_temp_new_i32();
909 tcg_gen_ld_i32(t0, cpu_env, offsetof(CPUPPCState, spe_fscr));
910 tcg_gen_extu_i32_tl(cpu_gpr[gprn], t0);
911 tcg_temp_free_i32(t0);
912 }
913
914 void spr_write_spefscr(DisasContext *ctx, int sprn, int gprn)
915 {
916 TCGv_i32 t0 = tcg_temp_new_i32();
917 tcg_gen_trunc_tl_i32(t0, cpu_gpr[gprn]);
918 tcg_gen_st_i32(t0, cpu_env, offsetof(CPUPPCState, spe_fscr));
919 tcg_temp_free_i32(t0);
920 }
921
922 #if !defined(CONFIG_USER_ONLY)
923 /* Callback used to write the exception vector base */
924 void spr_write_excp_prefix(DisasContext *ctx, int sprn, int gprn)
925 {
926 TCGv t0 = tcg_temp_new();
927 tcg_gen_ld_tl(t0, cpu_env, offsetof(CPUPPCState, ivpr_mask));
928 tcg_gen_and_tl(t0, t0, cpu_gpr[gprn]);
929 tcg_gen_st_tl(t0, cpu_env, offsetof(CPUPPCState, excp_prefix));
930 gen_store_spr(sprn, t0);
931 tcg_temp_free(t0);
932 }
933
934 void spr_write_excp_vector(DisasContext *ctx, int sprn, int gprn)
935 {
936 int sprn_offs;
937
938 if (sprn >= SPR_BOOKE_IVOR0 && sprn <= SPR_BOOKE_IVOR15) {
939 sprn_offs = sprn - SPR_BOOKE_IVOR0;
940 } else if (sprn >= SPR_BOOKE_IVOR32 && sprn <= SPR_BOOKE_IVOR37) {
941 sprn_offs = sprn - SPR_BOOKE_IVOR32 + 32;
942 } else if (sprn >= SPR_BOOKE_IVOR38 && sprn <= SPR_BOOKE_IVOR42) {
943 sprn_offs = sprn - SPR_BOOKE_IVOR38 + 38;
944 } else {
945 printf("Trying to write an unknown exception vector %d %03x\n",
946 sprn, sprn);
947 gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG);
948 return;
949 }
950
951 TCGv t0 = tcg_temp_new();
952 tcg_gen_ld_tl(t0, cpu_env, offsetof(CPUPPCState, ivor_mask));
953 tcg_gen_and_tl(t0, t0, cpu_gpr[gprn]);
954 tcg_gen_st_tl(t0, cpu_env, offsetof(CPUPPCState, excp_vectors[sprn_offs]));
955 gen_store_spr(sprn, t0);
956 tcg_temp_free(t0);
957 }
958 #endif
959
960 #ifdef TARGET_PPC64
961 #ifndef CONFIG_USER_ONLY
962 void spr_write_amr(DisasContext *ctx, int sprn, int gprn)
963 {
964 TCGv t0 = tcg_temp_new();
965 TCGv t1 = tcg_temp_new();
966 TCGv t2 = tcg_temp_new();
967
968 /*
969 * Note, the HV=1 PR=0 case is handled earlier by simply using
970 * spr_write_generic for HV mode in the SPR table
971 */
972
973 /* Build insertion mask into t1 based on context */
974 if (ctx->pr) {
975 gen_load_spr(t1, SPR_UAMOR);
976 } else {
977 gen_load_spr(t1, SPR_AMOR);
978 }
979
980 /* Mask new bits into t2 */
981 tcg_gen_and_tl(t2, t1, cpu_gpr[gprn]);
982
983 /* Load AMR and clear new bits in t0 */
984 gen_load_spr(t0, SPR_AMR);
985 tcg_gen_andc_tl(t0, t0, t1);
986
987 /* Or'in new bits and write it out */
988 tcg_gen_or_tl(t0, t0, t2);
989 gen_store_spr(SPR_AMR, t0);
990 spr_store_dump_spr(SPR_AMR);
991
992 tcg_temp_free(t0);
993 tcg_temp_free(t1);
994 tcg_temp_free(t2);
995 }
996
997 void spr_write_uamor(DisasContext *ctx, int sprn, int gprn)
998 {
999 TCGv t0 = tcg_temp_new();
1000 TCGv t1 = tcg_temp_new();
1001 TCGv t2 = tcg_temp_new();
1002
1003 /*
1004 * Note, the HV=1 case is handled earlier by simply using
1005 * spr_write_generic for HV mode in the SPR table
1006 */
1007
1008 /* Build insertion mask into t1 based on context */
1009 gen_load_spr(t1, SPR_AMOR);
1010
1011 /* Mask new bits into t2 */
1012 tcg_gen_and_tl(t2, t1, cpu_gpr[gprn]);
1013
1014 /* Load AMR and clear new bits in t0 */
1015 gen_load_spr(t0, SPR_UAMOR);
1016 tcg_gen_andc_tl(t0, t0, t1);
1017
1018 /* Or'in new bits and write it out */
1019 tcg_gen_or_tl(t0, t0, t2);
1020 gen_store_spr(SPR_UAMOR, t0);
1021 spr_store_dump_spr(SPR_UAMOR);
1022
1023 tcg_temp_free(t0);
1024 tcg_temp_free(t1);
1025 tcg_temp_free(t2);
1026 }
1027
1028 void spr_write_iamr(DisasContext *ctx, int sprn, int gprn)
1029 {
1030 TCGv t0 = tcg_temp_new();
1031 TCGv t1 = tcg_temp_new();
1032 TCGv t2 = tcg_temp_new();
1033
1034 /*
1035 * Note, the HV=1 case is handled earlier by simply using
1036 * spr_write_generic for HV mode in the SPR table
1037 */
1038
1039 /* Build insertion mask into t1 based on context */
1040 gen_load_spr(t1, SPR_AMOR);
1041
1042 /* Mask new bits into t2 */
1043 tcg_gen_and_tl(t2, t1, cpu_gpr[gprn]);
1044
1045 /* Load AMR and clear new bits in t0 */
1046 gen_load_spr(t0, SPR_IAMR);
1047 tcg_gen_andc_tl(t0, t0, t1);
1048
1049 /* Or'in new bits and write it out */
1050 tcg_gen_or_tl(t0, t0, t2);
1051 gen_store_spr(SPR_IAMR, t0);
1052 spr_store_dump_spr(SPR_IAMR);
1053
1054 tcg_temp_free(t0);
1055 tcg_temp_free(t1);
1056 tcg_temp_free(t2);
1057 }
1058 #endif
1059 #endif
1060
1061 #ifndef CONFIG_USER_ONLY
1062 void spr_read_thrm(DisasContext *ctx, int gprn, int sprn)
1063 {
1064 gen_helper_fixup_thrm(cpu_env);
1065 gen_load_spr(cpu_gpr[gprn], sprn);
1066 spr_load_dump_spr(sprn);
1067 }
1068 #endif /* !CONFIG_USER_ONLY */
1069
1070 #if !defined(CONFIG_USER_ONLY)
1071 void spr_write_e500_l1csr0(DisasContext *ctx, int sprn, int gprn)
1072 {
1073 TCGv t0 = tcg_temp_new();
1074
1075 tcg_gen_andi_tl(t0, cpu_gpr[gprn], L1CSR0_DCE | L1CSR0_CPE);
1076 gen_store_spr(sprn, t0);
1077 tcg_temp_free(t0);
1078 }
1079
1080 void spr_write_e500_l1csr1(DisasContext *ctx, int sprn, int gprn)
1081 {
1082 TCGv t0 = tcg_temp_new();
1083
1084 tcg_gen_andi_tl(t0, cpu_gpr[gprn], L1CSR1_ICE | L1CSR1_CPE);
1085 gen_store_spr(sprn, t0);
1086 tcg_temp_free(t0);
1087 }
1088
1089 void spr_write_e500_l2csr0(DisasContext *ctx, int sprn, int gprn)
1090 {
1091 TCGv t0 = tcg_temp_new();
1092
1093 tcg_gen_andi_tl(t0, cpu_gpr[gprn],
1094 ~(E500_L2CSR0_L2FI | E500_L2CSR0_L2FL | E500_L2CSR0_L2LFC));
1095 gen_store_spr(sprn, t0);
1096 tcg_temp_free(t0);
1097 }
1098
1099 void spr_write_booke206_mmucsr0(DisasContext *ctx, int sprn, int gprn)
1100 {
1101 gen_helper_booke206_tlbflush(cpu_env, cpu_gpr[gprn]);
1102 }
1103
1104 void spr_write_booke_pid(DisasContext *ctx, int sprn, int gprn)
1105 {
1106 TCGv_i32 t0 = tcg_const_i32(sprn);
1107 gen_helper_booke_setpid(cpu_env, t0, cpu_gpr[gprn]);
1108 tcg_temp_free_i32(t0);
1109 }
1110 void spr_write_eplc(DisasContext *ctx, int sprn, int gprn)
1111 {
1112 gen_helper_booke_set_eplc(cpu_env, cpu_gpr[gprn]);
1113 }
1114 void spr_write_epsc(DisasContext *ctx, int sprn, int gprn)
1115 {
1116 gen_helper_booke_set_epsc(cpu_env, cpu_gpr[gprn]);
1117 }
1118
1119 #endif
1120
1121 #if !defined(CONFIG_USER_ONLY)
1122 void spr_write_mas73(DisasContext *ctx, int sprn, int gprn)
1123 {
1124 TCGv val = tcg_temp_new();
1125 tcg_gen_ext32u_tl(val, cpu_gpr[gprn]);
1126 gen_store_spr(SPR_BOOKE_MAS3, val);
1127 tcg_gen_shri_tl(val, cpu_gpr[gprn], 32);
1128 gen_store_spr(SPR_BOOKE_MAS7, val);
1129 tcg_temp_free(val);
1130 }
1131
1132 void spr_read_mas73(DisasContext *ctx, int gprn, int sprn)
1133 {
1134 TCGv mas7 = tcg_temp_new();
1135 TCGv mas3 = tcg_temp_new();
1136 gen_load_spr(mas7, SPR_BOOKE_MAS7);
1137 tcg_gen_shli_tl(mas7, mas7, 32);
1138 gen_load_spr(mas3, SPR_BOOKE_MAS3);
1139 tcg_gen_or_tl(cpu_gpr[gprn], mas3, mas7);
1140 tcg_temp_free(mas3);
1141 tcg_temp_free(mas7);
1142 }
1143
1144 #endif
1145
1146 #ifdef TARGET_PPC64
1147 static void gen_fscr_facility_check(DisasContext *ctx, int facility_sprn,
1148 int bit, int sprn, int cause)
1149 {
1150 TCGv_i32 t1 = tcg_const_i32(bit);
1151 TCGv_i32 t2 = tcg_const_i32(sprn);
1152 TCGv_i32 t3 = tcg_const_i32(cause);
1153
1154 gen_helper_fscr_facility_check(cpu_env, t1, t2, t3);
1155
1156 tcg_temp_free_i32(t3);
1157 tcg_temp_free_i32(t2);
1158 tcg_temp_free_i32(t1);
1159 }
1160
1161 static void gen_msr_facility_check(DisasContext *ctx, int facility_sprn,
1162 int bit, int sprn, int cause)
1163 {
1164 TCGv_i32 t1 = tcg_const_i32(bit);
1165 TCGv_i32 t2 = tcg_const_i32(sprn);
1166 TCGv_i32 t3 = tcg_const_i32(cause);
1167
1168 gen_helper_msr_facility_check(cpu_env, t1, t2, t3);
1169
1170 tcg_temp_free_i32(t3);
1171 tcg_temp_free_i32(t2);
1172 tcg_temp_free_i32(t1);
1173 }
1174
1175 void spr_read_prev_upper32(DisasContext *ctx, int gprn, int sprn)
1176 {
1177 TCGv spr_up = tcg_temp_new();
1178 TCGv spr = tcg_temp_new();
1179
1180 gen_load_spr(spr, sprn - 1);
1181 tcg_gen_shri_tl(spr_up, spr, 32);
1182 tcg_gen_ext32u_tl(cpu_gpr[gprn], spr_up);
1183
1184 tcg_temp_free(spr);
1185 tcg_temp_free(spr_up);
1186 }
1187
1188 void spr_write_prev_upper32(DisasContext *ctx, int sprn, int gprn)
1189 {
1190 TCGv spr = tcg_temp_new();
1191
1192 gen_load_spr(spr, sprn - 1);
1193 tcg_gen_deposit_tl(spr, spr, cpu_gpr[gprn], 32, 32);
1194 gen_store_spr(sprn - 1, spr);
1195
1196 tcg_temp_free(spr);
1197 }
1198
1199 #if !defined(CONFIG_USER_ONLY)
1200 void spr_write_hmer(DisasContext *ctx, int sprn, int gprn)
1201 {
1202 TCGv hmer = tcg_temp_new();
1203
1204 gen_load_spr(hmer, sprn);
1205 tcg_gen_and_tl(hmer, cpu_gpr[gprn], hmer);
1206 gen_store_spr(sprn, hmer);
1207 spr_store_dump_spr(sprn);
1208 tcg_temp_free(hmer);
1209 }
1210
1211 void spr_write_lpcr(DisasContext *ctx, int sprn, int gprn)
1212 {
1213 gen_helper_store_lpcr(cpu_env, cpu_gpr[gprn]);
1214 }
1215 #endif /* !defined(CONFIG_USER_ONLY) */
1216
1217 void spr_read_tar(DisasContext *ctx, int gprn, int sprn)
1218 {
1219 gen_fscr_facility_check(ctx, SPR_FSCR, FSCR_TAR, sprn, FSCR_IC_TAR);
1220 spr_read_generic(ctx, gprn, sprn);
1221 }
1222
1223 void spr_write_tar(DisasContext *ctx, int sprn, int gprn)
1224 {
1225 gen_fscr_facility_check(ctx, SPR_FSCR, FSCR_TAR, sprn, FSCR_IC_TAR);
1226 spr_write_generic(ctx, sprn, gprn);
1227 }
1228
1229 void spr_read_tm(DisasContext *ctx, int gprn, int sprn)
1230 {
1231 gen_msr_facility_check(ctx, SPR_FSCR, MSR_TM, sprn, FSCR_IC_TM);
1232 spr_read_generic(ctx, gprn, sprn);
1233 }
1234
1235 void spr_write_tm(DisasContext *ctx, int sprn, int gprn)
1236 {
1237 gen_msr_facility_check(ctx, SPR_FSCR, MSR_TM, sprn, FSCR_IC_TM);
1238 spr_write_generic(ctx, sprn, gprn);
1239 }
1240
1241 void spr_read_tm_upper32(DisasContext *ctx, int gprn, int sprn)
1242 {
1243 gen_msr_facility_check(ctx, SPR_FSCR, MSR_TM, sprn, FSCR_IC_TM);
1244 spr_read_prev_upper32(ctx, gprn, sprn);
1245 }
1246
1247 void spr_write_tm_upper32(DisasContext *ctx, int sprn, int gprn)
1248 {
1249 gen_msr_facility_check(ctx, SPR_FSCR, MSR_TM, sprn, FSCR_IC_TM);
1250 spr_write_prev_upper32(ctx, sprn, gprn);
1251 }
1252
1253 void spr_read_ebb(DisasContext *ctx, int gprn, int sprn)
1254 {
1255 gen_fscr_facility_check(ctx, SPR_FSCR, FSCR_EBB, sprn, FSCR_IC_EBB);
1256 spr_read_generic(ctx, gprn, sprn);
1257 }
1258
1259 void spr_write_ebb(DisasContext *ctx, int sprn, int gprn)
1260 {
1261 gen_fscr_facility_check(ctx, SPR_FSCR, FSCR_EBB, sprn, FSCR_IC_EBB);
1262 spr_write_generic(ctx, sprn, gprn);
1263 }
1264
1265 void spr_read_ebb_upper32(DisasContext *ctx, int gprn, int sprn)
1266 {
1267 gen_fscr_facility_check(ctx, SPR_FSCR, FSCR_EBB, sprn, FSCR_IC_EBB);
1268 spr_read_prev_upper32(ctx, gprn, sprn);
1269 }
1270
1271 void spr_write_ebb_upper32(DisasContext *ctx, int sprn, int gprn)
1272 {
1273 gen_fscr_facility_check(ctx, SPR_FSCR, FSCR_EBB, sprn, FSCR_IC_EBB);
1274 spr_write_prev_upper32(ctx, sprn, gprn);
1275 }
1276 #endif
1277
1278 #define GEN_HANDLER(name, opc1, opc2, opc3, inval, type) \
1279 GEN_OPCODE(name, opc1, opc2, opc3, inval, type, PPC_NONE)
1280
1281 #define GEN_HANDLER_E(name, opc1, opc2, opc3, inval, type, type2) \
1282 GEN_OPCODE(name, opc1, opc2, opc3, inval, type, type2)
1283
1284 #define GEN_HANDLER2(name, onam, opc1, opc2, opc3, inval, type) \
1285 GEN_OPCODE2(name, onam, opc1, opc2, opc3, inval, type, PPC_NONE)
1286
1287 #define GEN_HANDLER2_E(name, onam, opc1, opc2, opc3, inval, type, type2) \
1288 GEN_OPCODE2(name, onam, opc1, opc2, opc3, inval, type, type2)
1289
1290 #define GEN_HANDLER_E_2(name, opc1, opc2, opc3, opc4, inval, type, type2) \
1291 GEN_OPCODE3(name, opc1, opc2, opc3, opc4, inval, type, type2)
1292
1293 #define GEN_HANDLER2_E_2(name, onam, opc1, opc2, opc3, opc4, inval, typ, typ2) \
1294 GEN_OPCODE4(name, onam, opc1, opc2, opc3, opc4, inval, typ, typ2)
1295
1296 typedef struct opcode_t {
1297 unsigned char opc1, opc2, opc3, opc4;
1298 #if HOST_LONG_BITS == 64 /* Explicitly align to 64 bits */
1299 unsigned char pad[4];
1300 #endif
1301 opc_handler_t handler;
1302 const char *oname;
1303 } opcode_t;
1304
1305 /* Helpers for priv. check */
1306 #define GEN_PRIV \
1307 do { \
1308 gen_priv_exception(ctx, POWERPC_EXCP_PRIV_OPC); return; \
1309 } while (0)
1310
1311 #if defined(CONFIG_USER_ONLY)
1312 #define CHK_HV GEN_PRIV
1313 #define CHK_SV GEN_PRIV
1314 #define CHK_HVRM GEN_PRIV
1315 #else
1316 #define CHK_HV \
1317 do { \
1318 if (unlikely(ctx->pr || !ctx->hv)) { \
1319 GEN_PRIV; \
1320 } \
1321 } while (0)
1322 #define CHK_SV \
1323 do { \
1324 if (unlikely(ctx->pr)) { \
1325 GEN_PRIV; \
1326 } \
1327 } while (0)
1328 #define CHK_HVRM \
1329 do { \
1330 if (unlikely(ctx->pr || !ctx->hv || ctx->dr)) { \
1331 GEN_PRIV; \
1332 } \
1333 } while (0)
1334 #endif
1335
1336 #define CHK_NONE
1337
1338 /*****************************************************************************/
1339 /* PowerPC instructions table */
1340
1341 #define GEN_OPCODE(name, op1, op2, op3, invl, _typ, _typ2) \
1342 { \
1343 .opc1 = op1, \
1344 .opc2 = op2, \
1345 .opc3 = op3, \
1346 .opc4 = 0xff, \
1347 .handler = { \
1348 .inval1 = invl, \
1349 .type = _typ, \
1350 .type2 = _typ2, \
1351 .handler = &gen_##name, \
1352 }, \
1353 .oname = stringify(name), \
1354 }
1355 #define GEN_OPCODE_DUAL(name, op1, op2, op3, invl1, invl2, _typ, _typ2) \
1356 { \
1357 .opc1 = op1, \
1358 .opc2 = op2, \
1359 .opc3 = op3, \
1360 .opc4 = 0xff, \
1361 .handler = { \
1362 .inval1 = invl1, \
1363 .inval2 = invl2, \
1364 .type = _typ, \
1365 .type2 = _typ2, \
1366 .handler = &gen_##name, \
1367 }, \
1368 .oname = stringify(name), \
1369 }
1370 #define GEN_OPCODE2(name, onam, op1, op2, op3, invl, _typ, _typ2) \
1371 { \
1372 .opc1 = op1, \
1373 .opc2 = op2, \
1374 .opc3 = op3, \
1375 .opc4 = 0xff, \
1376 .handler = { \
1377 .inval1 = invl, \
1378 .type = _typ, \
1379 .type2 = _typ2, \
1380 .handler = &gen_##name, \
1381 }, \
1382 .oname = onam, \
1383 }
1384 #define GEN_OPCODE3(name, op1, op2, op3, op4, invl, _typ, _typ2) \
1385 { \
1386 .opc1 = op1, \
1387 .opc2 = op2, \
1388 .opc3 = op3, \
1389 .opc4 = op4, \
1390 .handler = { \
1391 .inval1 = invl, \
1392 .type = _typ, \
1393 .type2 = _typ2, \
1394 .handler = &gen_##name, \
1395 }, \
1396 .oname = stringify(name), \
1397 }
1398 #define GEN_OPCODE4(name, onam, op1, op2, op3, op4, invl, _typ, _typ2) \
1399 { \
1400 .opc1 = op1, \
1401 .opc2 = op2, \
1402 .opc3 = op3, \
1403 .opc4 = op4, \
1404 .handler = { \
1405 .inval1 = invl, \
1406 .type = _typ, \
1407 .type2 = _typ2, \
1408 .handler = &gen_##name, \
1409 }, \
1410 .oname = onam, \
1411 }
1412
1413 /* Invalid instruction */
1414 static void gen_invalid(DisasContext *ctx)
1415 {
1416 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
1417 }
1418
1419 static opc_handler_t invalid_handler = {
1420 .inval1 = 0xFFFFFFFF,
1421 .inval2 = 0xFFFFFFFF,
1422 .type = PPC_NONE,
1423 .type2 = PPC_NONE,
1424 .handler = gen_invalid,
1425 };
1426
1427 /*** Integer comparison ***/
1428
1429 static inline void gen_op_cmp(TCGv arg0, TCGv arg1, int s, int crf)
1430 {
1431 TCGv t0 = tcg_temp_new();
1432 TCGv t1 = tcg_temp_new();
1433 TCGv_i32 t = tcg_temp_new_i32();
1434
1435 tcg_gen_movi_tl(t0, CRF_EQ);
1436 tcg_gen_movi_tl(t1, CRF_LT);
1437 tcg_gen_movcond_tl((s ? TCG_COND_LT : TCG_COND_LTU),
1438 t0, arg0, arg1, t1, t0);
1439 tcg_gen_movi_tl(t1, CRF_GT);
1440 tcg_gen_movcond_tl((s ? TCG_COND_GT : TCG_COND_GTU),
1441 t0, arg0, arg1, t1, t0);
1442
1443 tcg_gen_trunc_tl_i32(t, t0);
1444 tcg_gen_trunc_tl_i32(cpu_crf[crf], cpu_so);
1445 tcg_gen_or_i32(cpu_crf[crf], cpu_crf[crf], t);
1446
1447 tcg_temp_free(t0);
1448 tcg_temp_free(t1);
1449 tcg_temp_free_i32(t);
1450 }
1451
1452 static inline void gen_op_cmpi(TCGv arg0, target_ulong arg1, int s, int crf)
1453 {
1454 TCGv t0 = tcg_const_tl(arg1);
1455 gen_op_cmp(arg0, t0, s, crf);
1456 tcg_temp_free(t0);
1457 }
1458
1459 static inline void gen_op_cmp32(TCGv arg0, TCGv arg1, int s, int crf)
1460 {
1461 TCGv t0, t1;
1462 t0 = tcg_temp_new();
1463 t1 = tcg_temp_new();
1464 if (s) {
1465 tcg_gen_ext32s_tl(t0, arg0);
1466 tcg_gen_ext32s_tl(t1, arg1);
1467 } else {
1468 tcg_gen_ext32u_tl(t0, arg0);
1469 tcg_gen_ext32u_tl(t1, arg1);
1470 }
1471 gen_op_cmp(t0, t1, s, crf);
1472 tcg_temp_free(t1);
1473 tcg_temp_free(t0);
1474 }
1475
1476 static inline void gen_op_cmpi32(TCGv arg0, target_ulong arg1, int s, int crf)
1477 {
1478 TCGv t0 = tcg_const_tl(arg1);
1479 gen_op_cmp32(arg0, t0, s, crf);
1480 tcg_temp_free(t0);
1481 }
1482
1483 static inline void gen_set_Rc0(DisasContext *ctx, TCGv reg)
1484 {
1485 if (NARROW_MODE(ctx)) {
1486 gen_op_cmpi32(reg, 0, 1, 0);
1487 } else {
1488 gen_op_cmpi(reg, 0, 1, 0);
1489 }
1490 }
1491
1492 /* cmprb - range comparison: isupper, isaplha, islower*/
1493 static void gen_cmprb(DisasContext *ctx)
1494 {
1495 TCGv_i32 src1 = tcg_temp_new_i32();
1496 TCGv_i32 src2 = tcg_temp_new_i32();
1497 TCGv_i32 src2lo = tcg_temp_new_i32();
1498 TCGv_i32 src2hi = tcg_temp_new_i32();
1499 TCGv_i32 crf = cpu_crf[crfD(ctx->opcode)];
1500
1501 tcg_gen_trunc_tl_i32(src1, cpu_gpr[rA(ctx->opcode)]);
1502 tcg_gen_trunc_tl_i32(src2, cpu_gpr[rB(ctx->opcode)]);
1503
1504 tcg_gen_andi_i32(src1, src1, 0xFF);
1505 tcg_gen_ext8u_i32(src2lo, src2);
1506 tcg_gen_shri_i32(src2, src2, 8);
1507 tcg_gen_ext8u_i32(src2hi, src2);
1508
1509 tcg_gen_setcond_i32(TCG_COND_LEU, src2lo, src2lo, src1);
1510 tcg_gen_setcond_i32(TCG_COND_LEU, src2hi, src1, src2hi);
1511 tcg_gen_and_i32(crf, src2lo, src2hi);
1512
1513 if (ctx->opcode & 0x00200000) {
1514 tcg_gen_shri_i32(src2, src2, 8);
1515 tcg_gen_ext8u_i32(src2lo, src2);
1516 tcg_gen_shri_i32(src2, src2, 8);
1517 tcg_gen_ext8u_i32(src2hi, src2);
1518 tcg_gen_setcond_i32(TCG_COND_LEU, src2lo, src2lo, src1);
1519 tcg_gen_setcond_i32(TCG_COND_LEU, src2hi, src1, src2hi);
1520 tcg_gen_and_i32(src2lo, src2lo, src2hi);
1521 tcg_gen_or_i32(crf, crf, src2lo);
1522 }
1523 tcg_gen_shli_i32(crf, crf, CRF_GT_BIT);
1524 tcg_temp_free_i32(src1);
1525 tcg_temp_free_i32(src2);
1526 tcg_temp_free_i32(src2lo);
1527 tcg_temp_free_i32(src2hi);
1528 }
1529
1530 #if defined(TARGET_PPC64)
1531 /* cmpeqb */
1532 static void gen_cmpeqb(DisasContext *ctx)
1533 {
1534 gen_helper_cmpeqb(cpu_crf[crfD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
1535 cpu_gpr[rB(ctx->opcode)]);
1536 }
1537 #endif
1538
1539 /* isel (PowerPC 2.03 specification) */
1540 static void gen_isel(DisasContext *ctx)
1541 {
1542 uint32_t bi = rC(ctx->opcode);
1543 uint32_t mask = 0x08 >> (bi & 0x03);
1544 TCGv t0 = tcg_temp_new();
1545 TCGv zr;
1546
1547 tcg_gen_extu_i32_tl(t0, cpu_crf[bi >> 2]);
1548 tcg_gen_andi_tl(t0, t0, mask);
1549
1550 zr = tcg_const_tl(0);
1551 tcg_gen_movcond_tl(TCG_COND_NE, cpu_gpr[rD(ctx->opcode)], t0, zr,
1552 rA(ctx->opcode) ? cpu_gpr[rA(ctx->opcode)] : zr,
1553 cpu_gpr[rB(ctx->opcode)]);
1554 tcg_temp_free(zr);
1555 tcg_temp_free(t0);
1556 }
1557
1558 /* cmpb: PowerPC 2.05 specification */
1559 static void gen_cmpb(DisasContext *ctx)
1560 {
1561 gen_helper_cmpb(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)],
1562 cpu_gpr[rB(ctx->opcode)]);
1563 }
1564
1565 /*** Integer arithmetic ***/
1566
1567 static inline void gen_op_arith_compute_ov(DisasContext *ctx, TCGv arg0,
1568 TCGv arg1, TCGv arg2, int sub)
1569 {
1570 TCGv t0 = tcg_temp_new();
1571
1572 tcg_gen_xor_tl(cpu_ov, arg0, arg2);
1573 tcg_gen_xor_tl(t0, arg1, arg2);
1574 if (sub) {
1575 tcg_gen_and_tl(cpu_ov, cpu_ov, t0);
1576 } else {
1577 tcg_gen_andc_tl(cpu_ov, cpu_ov, t0);
1578 }
1579 tcg_temp_free(t0);
1580 if (NARROW_MODE(ctx)) {
1581 tcg_gen_extract_tl(cpu_ov, cpu_ov, 31, 1);
1582 if (is_isa300(ctx)) {
1583 tcg_gen_mov_tl(cpu_ov32, cpu_ov);
1584 }
1585 } else {
1586 if (is_isa300(ctx)) {
1587 tcg_gen_extract_tl(cpu_ov32, cpu_ov, 31, 1);
1588 }
1589 tcg_gen_extract_tl(cpu_ov, cpu_ov, TARGET_LONG_BITS - 1, 1);
1590 }
1591 tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov);
1592 }
1593
1594 static inline void gen_op_arith_compute_ca32(DisasContext *ctx,
1595 TCGv res, TCGv arg0, TCGv arg1,
1596 TCGv ca32, int sub)
1597 {
1598 TCGv t0;
1599
1600 if (!is_isa300(ctx)) {
1601 return;
1602 }
1603
1604 t0 = tcg_temp_new();
1605 if (sub) {
1606 tcg_gen_eqv_tl(t0, arg0, arg1);
1607 } else {
1608 tcg_gen_xor_tl(t0, arg0, arg1);
1609 }
1610 tcg_gen_xor_tl(t0, t0, res);
1611 tcg_gen_extract_tl(ca32, t0, 32, 1);
1612 tcg_temp_free(t0);
1613 }
1614
1615 /* Common add function */
1616 static inline void gen_op_arith_add(DisasContext *ctx, TCGv ret, TCGv arg1,
1617 TCGv arg2, TCGv ca, TCGv ca32,
1618 bool add_ca, bool compute_ca,
1619 bool compute_ov, bool compute_rc0)
1620 {
1621 TCGv t0 = ret;
1622
1623 if (compute_ca || compute_ov) {
1624 t0 = tcg_temp_new();
1625 }
1626
1627 if (compute_ca) {
1628 if (NARROW_MODE(ctx)) {
1629 /*
1630 * Caution: a non-obvious corner case of the spec is that
1631 * we must produce the *entire* 64-bit addition, but
1632 * produce the carry into bit 32.
1633 */
1634 TCGv t1 = tcg_temp_new();
1635 tcg_gen_xor_tl(t1, arg1, arg2); /* add without carry */
1636 tcg_gen_add_tl(t0, arg1, arg2);
1637 if (add_ca) {
1638 tcg_gen_add_tl(t0, t0, ca);
1639 }
1640 tcg_gen_xor_tl(ca, t0, t1); /* bits changed w/ carry */
1641 tcg_temp_free(t1);
1642 tcg_gen_extract_tl(ca, ca, 32, 1);
1643 if (is_isa300(ctx)) {
1644 tcg_gen_mov_tl(ca32, ca);
1645 }
1646 } else {
1647 TCGv zero = tcg_const_tl(0);
1648 if (add_ca) {
1649 tcg_gen_add2_tl(t0, ca, arg1, zero, ca, zero);
1650 tcg_gen_add2_tl(t0, ca, t0, ca, arg2, zero);
1651 } else {
1652 tcg_gen_add2_tl(t0, ca, arg1, zero, arg2, zero);
1653 }
1654 gen_op_arith_compute_ca32(ctx, t0, arg1, arg2, ca32, 0);
1655 tcg_temp_free(zero);
1656 }
1657 } else {
1658 tcg_gen_add_tl(t0, arg1, arg2);
1659 if (add_ca) {
1660 tcg_gen_add_tl(t0, t0, ca);
1661 }
1662 }
1663
1664 if (compute_ov) {
1665 gen_op_arith_compute_ov(ctx, t0, arg1, arg2, 0);
1666 }
1667 if (unlikely(compute_rc0)) {
1668 gen_set_Rc0(ctx, t0);
1669 }
1670
1671 if (t0 != ret) {
1672 tcg_gen_mov_tl(ret, t0);
1673 tcg_temp_free(t0);
1674 }
1675 }
1676 /* Add functions with two operands */
1677 #define GEN_INT_ARITH_ADD(name, opc3, ca, add_ca, compute_ca, compute_ov) \
1678 static void glue(gen_, name)(DisasContext *ctx) \
1679 { \
1680 gen_op_arith_add(ctx, cpu_gpr[rD(ctx->opcode)], \
1681 cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], \
1682 ca, glue(ca, 32), \
1683 add_ca, compute_ca, compute_ov, Rc(ctx->opcode)); \
1684 }
1685 /* Add functions with one operand and one immediate */
1686 #define GEN_INT_ARITH_ADD_CONST(name, opc3, const_val, ca, \
1687 add_ca, compute_ca, compute_ov) \
1688 static void glue(gen_, name)(DisasContext *ctx) \
1689 { \
1690 TCGv t0 = tcg_const_tl(const_val); \
1691 gen_op_arith_add(ctx, cpu_gpr[rD(ctx->opcode)], \
1692 cpu_gpr[rA(ctx->opcode)], t0, \
1693 ca, glue(ca, 32), \
1694 add_ca, compute_ca, compute_ov, Rc(ctx->opcode)); \
1695 tcg_temp_free(t0); \
1696 }
1697
1698 /* add add. addo addo. */
1699 GEN_INT_ARITH_ADD(add, 0x08, cpu_ca, 0, 0, 0)
1700 GEN_INT_ARITH_ADD(addo, 0x18, cpu_ca, 0, 0, 1)
1701 /* addc addc. addco addco. */
1702 GEN_INT_ARITH_ADD(addc, 0x00, cpu_ca, 0, 1, 0)
1703 GEN_INT_ARITH_ADD(addco, 0x10, cpu_ca, 0, 1, 1)
1704 /* adde adde. addeo addeo. */
1705 GEN_INT_ARITH_ADD(adde, 0x04, cpu_ca, 1, 1, 0)
1706 GEN_INT_ARITH_ADD(addeo, 0x14, cpu_ca, 1, 1, 1)
1707 /* addme addme. addmeo addmeo. */
1708 GEN_INT_ARITH_ADD_CONST(addme, 0x07, -1LL, cpu_ca, 1, 1, 0)
1709 GEN_INT_ARITH_ADD_CONST(addmeo, 0x17, -1LL, cpu_ca, 1, 1, 1)
1710 /* addex */
1711 GEN_INT_ARITH_ADD(addex, 0x05, cpu_ov, 1, 1, 0);
1712 /* addze addze. addzeo addzeo.*/
1713 GEN_INT_ARITH_ADD_CONST(addze, 0x06, 0, cpu_ca, 1, 1, 0)
1714 GEN_INT_ARITH_ADD_CONST(addzeo, 0x16, 0, cpu_ca, 1, 1, 1)
1715 /* addic addic.*/
1716 static inline void gen_op_addic(DisasContext *ctx, bool compute_rc0)
1717 {
1718 TCGv c = tcg_const_tl(SIMM(ctx->opcode));
1719 gen_op_arith_add(ctx, cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
1720 c, cpu_ca, cpu_ca32, 0, 1, 0, compute_rc0);
1721 tcg_temp_free(c);
1722 }
1723
1724 static void gen_addic(DisasContext *ctx)
1725 {
1726 gen_op_addic(ctx, 0);
1727 }
1728
1729 static void gen_addic_(DisasContext *ctx)
1730 {
1731 gen_op_addic(ctx, 1);
1732 }
1733
1734 static inline void gen_op_arith_divw(DisasContext *ctx, TCGv ret, TCGv arg1,
1735 TCGv arg2, int sign, int compute_ov)
1736 {
1737 TCGv_i32 t0 = tcg_temp_new_i32();
1738 TCGv_i32 t1 = tcg_temp_new_i32();
1739 TCGv_i32 t2 = tcg_temp_new_i32();
1740 TCGv_i32 t3 = tcg_temp_new_i32();
1741
1742 tcg_gen_trunc_tl_i32(t0, arg1);
1743 tcg_gen_trunc_tl_i32(t1, arg2);
1744 if (sign) {
1745 tcg_gen_setcondi_i32(TCG_COND_EQ, t2, t0, INT_MIN);
1746 tcg_gen_setcondi_i32(TCG_COND_EQ, t3, t1, -1);
1747 tcg_gen_and_i32(t2, t2, t3);
1748 tcg_gen_setcondi_i32(TCG_COND_EQ, t3, t1, 0);
1749 tcg_gen_or_i32(t2, t2, t3);
1750 tcg_gen_movi_i32(t3, 0);
1751 tcg_gen_movcond_i32(TCG_COND_NE, t1, t2, t3, t2, t1);
1752 tcg_gen_div_i32(t3, t0, t1);
1753 tcg_gen_extu_i32_tl(ret, t3);
1754 } else {
1755 tcg_gen_setcondi_i32(TCG_COND_EQ, t2, t1, 0);
1756 tcg_gen_movi_i32(t3, 0);
1757 tcg_gen_movcond_i32(TCG_COND_NE, t1, t2, t3, t2, t1);
1758 tcg_gen_divu_i32(t3, t0, t1);
1759 tcg_gen_extu_i32_tl(ret, t3);
1760 }
1761 if (compute_ov) {
1762 tcg_gen_extu_i32_tl(cpu_ov, t2);
1763 if (is_isa300(ctx)) {
1764 tcg_gen_extu_i32_tl(cpu_ov32, t2);
1765 }
1766 tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov);
1767 }
1768 tcg_temp_free_i32(t0);
1769 tcg_temp_free_i32(t1);
1770 tcg_temp_free_i32(t2);
1771 tcg_temp_free_i32(t3);
1772
1773 if (unlikely(Rc(ctx->opcode) != 0)) {
1774 gen_set_Rc0(ctx, ret);
1775 }
1776 }
1777 /* Div functions */
1778 #define GEN_INT_ARITH_DIVW(name, opc3, sign, compute_ov) \
1779 static void glue(gen_, name)(DisasContext *ctx) \
1780 { \
1781 gen_op_arith_divw(ctx, cpu_gpr[rD(ctx->opcode)], \
1782 cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], \
1783 sign, compute_ov); \
1784 }
1785 /* divwu divwu. divwuo divwuo. */
1786 GEN_INT_ARITH_DIVW(divwu, 0x0E, 0, 0);
1787 GEN_INT_ARITH_DIVW(divwuo, 0x1E, 0, 1);
1788 /* divw divw. divwo divwo. */
1789 GEN_INT_ARITH_DIVW(divw, 0x0F, 1, 0);
1790 GEN_INT_ARITH_DIVW(divwo, 0x1F, 1, 1);
1791
1792 /* div[wd]eu[o][.] */
1793 #define GEN_DIVE(name, hlpr, compute_ov) \
1794 static void gen_##name(DisasContext *ctx) \
1795 { \
1796 TCGv_i32 t0 = tcg_const_i32(compute_ov); \
1797 gen_helper_##hlpr(cpu_gpr[rD(ctx->opcode)], cpu_env, \
1798 cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], t0); \
1799 tcg_temp_free_i32(t0); \
1800 if (unlikely(Rc(ctx->opcode) != 0)) { \
1801 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); \
1802 } \
1803 }
1804
1805 GEN_DIVE(divweu, divweu, 0);
1806 GEN_DIVE(divweuo, divweu, 1);
1807 GEN_DIVE(divwe, divwe, 0);
1808 GEN_DIVE(divweo, divwe, 1);
1809
1810 #if defined(TARGET_PPC64)
1811 static inline void gen_op_arith_divd(DisasContext *ctx, TCGv ret, TCGv arg1,
1812 TCGv arg2, int sign, int compute_ov)
1813 {
1814 TCGv_i64 t0 = tcg_temp_new_i64();
1815 TCGv_i64 t1 = tcg_temp_new_i64();
1816 TCGv_i64 t2 = tcg_temp_new_i64();
1817 TCGv_i64 t3 = tcg_temp_new_i64();
1818
1819 tcg_gen_mov_i64(t0, arg1);
1820 tcg_gen_mov_i64(t1, arg2);
1821 if (sign) {
1822 tcg_gen_setcondi_i64(TCG_COND_EQ, t2, t0, INT64_MIN);
1823 tcg_gen_setcondi_i64(TCG_COND_EQ, t3, t1, -1);
1824 tcg_gen_and_i64(t2, t2, t3);
1825 tcg_gen_setcondi_i64(TCG_COND_EQ, t3, t1, 0);
1826 tcg_gen_or_i64(t2, t2, t3);
1827 tcg_gen_movi_i64(t3, 0);
1828 tcg_gen_movcond_i64(TCG_COND_NE, t1, t2, t3, t2, t1);
1829 tcg_gen_div_i64(ret, t0, t1);
1830 } else {
1831 tcg_gen_setcondi_i64(TCG_COND_EQ, t2, t1, 0);
1832 tcg_gen_movi_i64(t3, 0);
1833 tcg_gen_movcond_i64(TCG_COND_NE, t1, t2, t3, t2, t1);
1834 tcg_gen_divu_i64(ret, t0, t1);
1835 }
1836 if (compute_ov) {
1837 tcg_gen_mov_tl(cpu_ov, t2);
1838 if (is_isa300(ctx)) {
1839 tcg_gen_mov_tl(cpu_ov32, t2);
1840 }
1841 tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov);
1842 }
1843 tcg_temp_free_i64(t0);
1844 tcg_temp_free_i64(t1);
1845 tcg_temp_free_i64(t2);
1846 tcg_temp_free_i64(t3);
1847
1848 if (unlikely(Rc(ctx->opcode) != 0)) {
1849 gen_set_Rc0(ctx, ret);
1850 }
1851 }
1852
1853 #define GEN_INT_ARITH_DIVD(name, opc3, sign, compute_ov) \
1854 static void glue(gen_, name)(DisasContext *ctx) \
1855 { \
1856 gen_op_arith_divd(ctx, cpu_gpr[rD(ctx->opcode)], \
1857 cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], \
1858 sign, compute_ov); \
1859 }
1860 /* divdu divdu. divduo divduo. */
1861 GEN_INT_ARITH_DIVD(divdu, 0x0E, 0, 0);
1862 GEN_INT_ARITH_DIVD(divduo, 0x1E, 0, 1);
1863 /* divd divd. divdo divdo. */
1864 GEN_INT_ARITH_DIVD(divd, 0x0F, 1, 0);
1865 GEN_INT_ARITH_DIVD(divdo, 0x1F, 1, 1);
1866
1867 GEN_DIVE(divdeu, divdeu, 0);
1868 GEN_DIVE(divdeuo, divdeu, 1);
1869 GEN_DIVE(divde, divde, 0);
1870 GEN_DIVE(divdeo, divde, 1);
1871 #endif
1872
1873 static inline void gen_op_arith_modw(DisasContext *ctx, TCGv ret, TCGv arg1,
1874 TCGv arg2, int sign)
1875 {
1876 TCGv_i32 t0 = tcg_temp_new_i32();
1877 TCGv_i32 t1 = tcg_temp_new_i32();
1878
1879 tcg_gen_trunc_tl_i32(t0, arg1);
1880 tcg_gen_trunc_tl_i32(t1, arg2);
1881 if (sign) {
1882 TCGv_i32 t2 = tcg_temp_new_i32();
1883 TCGv_i32 t3 = tcg_temp_new_i32();
1884 tcg_gen_setcondi_i32(TCG_COND_EQ, t2, t0, INT_MIN);
1885 tcg_gen_setcondi_i32(TCG_COND_EQ, t3, t1, -1);
1886 tcg_gen_and_i32(t2, t2, t3);
1887 tcg_gen_setcondi_i32(TCG_COND_EQ, t3, t1, 0);
1888 tcg_gen_or_i32(t2, t2, t3);
1889 tcg_gen_movi_i32(t3, 0);
1890 tcg_gen_movcond_i32(TCG_COND_NE, t1, t2, t3, t2, t1);
1891 tcg_gen_rem_i32(t3, t0, t1);
1892 tcg_gen_ext_i32_tl(ret, t3);
1893 tcg_temp_free_i32(t2);
1894 tcg_temp_free_i32(t3);
1895 } else {
1896 TCGv_i32 t2 = tcg_const_i32(1);
1897 TCGv_i32 t3 = tcg_const_i32(0);
1898 tcg_gen_movcond_i32(TCG_COND_EQ, t1, t1, t3, t2, t1);
1899 tcg_gen_remu_i32(t3, t0, t1);
1900 tcg_gen_extu_i32_tl(ret, t3);
1901 tcg_temp_free_i32(t2);
1902 tcg_temp_free_i32(t3);
1903 }
1904 tcg_temp_free_i32(t0);
1905 tcg_temp_free_i32(t1);
1906 }
1907
1908 #define GEN_INT_ARITH_MODW(name, opc3, sign) \
1909 static void glue(gen_, name)(DisasContext *ctx) \
1910 { \
1911 gen_op_arith_modw(ctx, cpu_gpr[rD(ctx->opcode)], \
1912 cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], \
1913 sign); \
1914 }
1915
1916 GEN_INT_ARITH_MODW(moduw, 0x08, 0);
1917 GEN_INT_ARITH_MODW(modsw, 0x18, 1);
1918
1919 #if defined(TARGET_PPC64)
1920 static inline void gen_op_arith_modd(DisasContext *ctx, TCGv ret, TCGv arg1,
1921 TCGv arg2, int sign)
1922 {
1923 TCGv_i64 t0 = tcg_temp_new_i64();
1924 TCGv_i64 t1 = tcg_temp_new_i64();
1925
1926 tcg_gen_mov_i64(t0, arg1);
1927 tcg_gen_mov_i64(t1, arg2);
1928 if (sign) {
1929 TCGv_i64 t2 = tcg_temp_new_i64();
1930 TCGv_i64 t3 = tcg_temp_new_i64();
1931 tcg_gen_setcondi_i64(TCG_COND_EQ, t2, t0, INT64_MIN);
1932 tcg_gen_setcondi_i64(TCG_COND_EQ, t3, t1, -1);
1933 tcg_gen_and_i64(t2, t2, t3);
1934 tcg_gen_setcondi_i64(TCG_COND_EQ, t3, t1, 0);
1935 tcg_gen_or_i64(t2, t2, t3);
1936 tcg_gen_movi_i64(t3, 0);
1937 tcg_gen_movcond_i64(TCG_COND_NE, t1, t2, t3, t2, t1);
1938 tcg_gen_rem_i64(ret, t0, t1);
1939 tcg_temp_free_i64(t2);
1940 tcg_temp_free_i64(t3);
1941 } else {
1942 TCGv_i64 t2 = tcg_const_i64(1);
1943 TCGv_i64 t3 = tcg_const_i64(0);
1944 tcg_gen_movcond_i64(TCG_COND_EQ, t1, t1, t3, t2, t1);
1945 tcg_gen_remu_i64(ret, t0, t1);
1946 tcg_temp_free_i64(t2);
1947 tcg_temp_free_i64(t3);
1948 }
1949 tcg_temp_free_i64(t0);
1950 tcg_temp_free_i64(t1);
1951 }
1952
1953 #define GEN_INT_ARITH_MODD(name, opc3, sign) \
1954 static void glue(gen_, name)(DisasContext *ctx) \
1955 { \
1956 gen_op_arith_modd(ctx, cpu_gpr[rD(ctx->opcode)], \
1957 cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], \
1958 sign); \
1959 }
1960
1961 GEN_INT_ARITH_MODD(modud, 0x08, 0);
1962 GEN_INT_ARITH_MODD(modsd, 0x18, 1);
1963 #endif
1964
1965 /* mulhw mulhw. */
1966 static void gen_mulhw(DisasContext *ctx)
1967 {
1968 TCGv_i32 t0 = tcg_temp_new_i32();
1969 TCGv_i32 t1 = tcg_temp_new_i32();
1970
1971 tcg_gen_trunc_tl_i32(t0, cpu_gpr[rA(ctx->opcode)]);
1972 tcg_gen_trunc_tl_i32(t1, cpu_gpr[rB(ctx->opcode)]);
1973 tcg_gen_muls2_i32(t0, t1, t0, t1);
1974 tcg_gen_extu_i32_tl(cpu_gpr[rD(ctx->opcode)], t1);
1975 tcg_temp_free_i32(t0);
1976 tcg_temp_free_i32(t1);
1977 if (unlikely(Rc(ctx->opcode) != 0)) {
1978 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
1979 }
1980 }
1981
1982 /* mulhwu mulhwu. */
1983 static void gen_mulhwu(DisasContext *ctx)
1984 {
1985 TCGv_i32 t0 = tcg_temp_new_i32();
1986 TCGv_i32 t1 = tcg_temp_new_i32();
1987
1988 tcg_gen_trunc_tl_i32(t0, cpu_gpr[rA(ctx->opcode)]);
1989 tcg_gen_trunc_tl_i32(t1, cpu_gpr[rB(ctx->opcode)]);
1990 tcg_gen_mulu2_i32(t0, t1, t0, t1);
1991 tcg_gen_extu_i32_tl(cpu_gpr[rD(ctx->opcode)], t1);
1992 tcg_temp_free_i32(t0);
1993 tcg_temp_free_i32(t1);
1994 if (unlikely(Rc(ctx->opcode) != 0)) {
1995 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
1996 }
1997 }
1998
1999 /* mullw mullw. */
2000 static void gen_mullw(DisasContext *ctx)
2001 {
2002 #if defined(TARGET_PPC64)
2003 TCGv_i64 t0, t1;
2004 t0 = tcg_temp_new_i64();
2005 t1 = tcg_temp_new_i64();
2006 tcg_gen_ext32s_tl(t0, cpu_gpr[rA(ctx->opcode)]);
2007 tcg_gen_ext32s_tl(t1, cpu_gpr[rB(ctx->opcode)]);
2008 tcg_gen_mul_i64(cpu_gpr[rD(ctx->opcode)], t0, t1);
2009 tcg_temp_free(t0);
2010 tcg_temp_free(t1);
2011 #else
2012 tcg_gen_mul_i32(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
2013 cpu_gpr[rB(ctx->opcode)]);
2014 #endif
2015 if (unlikely(Rc(ctx->opcode) != 0)) {
2016 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
2017 }
2018 }
2019
2020 /* mullwo mullwo. */
2021 static void gen_mullwo(DisasContext *ctx)
2022 {
2023 TCGv_i32 t0 = tcg_temp_new_i32();
2024 TCGv_i32 t1 = tcg_temp_new_i32();
2025
2026 tcg_gen_trunc_tl_i32(t0, cpu_gpr[rA(ctx->opcode)]);
2027 tcg_gen_trunc_tl_i32(t1, cpu_gpr[rB(ctx->opcode)]);
2028 tcg_gen_muls2_i32(t0, t1, t0, t1);
2029 #if defined(TARGET_PPC64)
2030 tcg_gen_concat_i32_i64(cpu_gpr[rD(ctx->opcode)], t0, t1);
2031 #else
2032 tcg_gen_mov_i32(cpu_gpr[rD(ctx->opcode)], t0);
2033 #endif
2034
2035 tcg_gen_sari_i32(t0, t0, 31);
2036 tcg_gen_setcond_i32(TCG_COND_NE, t0, t0, t1);
2037 tcg_gen_extu_i32_tl(cpu_ov, t0);
2038 if (is_isa300(ctx)) {
2039 tcg_gen_mov_tl(cpu_ov32, cpu_ov);
2040 }
2041 tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov);
2042
2043 tcg_temp_free_i32(t0);
2044 tcg_temp_free_i32(t1);
2045 if (unlikely(Rc(ctx->opcode) != 0)) {
2046 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
2047 }
2048 }
2049
2050 /* mulli */
2051 static void gen_mulli(DisasContext *ctx)
2052 {
2053 tcg_gen_muli_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
2054 SIMM(ctx->opcode));
2055 }
2056
2057 #if defined(TARGET_PPC64)
2058 /* mulhd mulhd. */
2059 static void gen_mulhd(DisasContext *ctx)
2060 {
2061 TCGv lo = tcg_temp_new();
2062 tcg_gen_muls2_tl(lo, cpu_gpr[rD(ctx->opcode)],
2063 cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
2064 tcg_temp_free(lo);
2065 if (unlikely(Rc(ctx->opcode) != 0)) {
2066 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
2067 }
2068 }
2069
2070 /* mulhdu mulhdu. */
2071 static void gen_mulhdu(DisasContext *ctx)
2072 {
2073 TCGv lo = tcg_temp_new();
2074 tcg_gen_mulu2_tl(lo, cpu_gpr[rD(ctx->opcode)],
2075 cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
2076 tcg_temp_free(lo);
2077 if (unlikely(Rc(ctx->opcode) != 0)) {
2078 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
2079 }
2080 }
2081
2082 /* mulld mulld. */
2083 static void gen_mulld(DisasContext *ctx)
2084 {
2085 tcg_gen_mul_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
2086 cpu_gpr[rB(ctx->opcode)]);
2087 if (unlikely(Rc(ctx->opcode) != 0)) {
2088 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
2089 }
2090 }
2091
2092 /* mulldo mulldo. */
2093 static void gen_mulldo(DisasContext *ctx)
2094 {
2095 TCGv_i64 t0 = tcg_temp_new_i64();
2096 TCGv_i64 t1 = tcg_temp_new_i64();
2097
2098 tcg_gen_muls2_i64(t0, t1, cpu_gpr[rA(ctx->opcode)],
2099 cpu_gpr[rB(ctx->opcode)]);
2100 tcg_gen_mov_i64(cpu_gpr[rD(ctx->opcode)], t0);
2101
2102 tcg_gen_sari_i64(t0, t0, 63);
2103 tcg_gen_setcond_i64(TCG_COND_NE, cpu_ov, t0, t1);
2104 if (is_isa300(ctx)) {
2105 tcg_gen_mov_tl(cpu_ov32, cpu_ov);
2106 }
2107 tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov);
2108
2109 tcg_temp_free_i64(t0);
2110 tcg_temp_free_i64(t1);
2111
2112 if (unlikely(Rc(ctx->opcode) != 0)) {
2113 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
2114 }
2115 }
2116 #endif
2117
2118 /* Common subf function */
2119 static inline void gen_op_arith_subf(DisasContext *ctx, TCGv ret, TCGv arg1,
2120 TCGv arg2, bool add_ca, bool compute_ca,
2121 bool compute_ov, bool compute_rc0)
2122 {
2123 TCGv t0 = ret;
2124
2125 if (compute_ca || compute_ov) {
2126 t0 = tcg_temp_new();
2127 }
2128
2129 if (compute_ca) {
2130 /* dest = ~arg1 + arg2 [+ ca]. */
2131 if (NARROW_MODE(ctx)) {
2132 /*
2133 * Caution: a non-obvious corner case of the spec is that
2134 * we must produce the *entire* 64-bit addition, but
2135 * produce the carry into bit 32.
2136 */
2137 TCGv inv1 = tcg_temp_new();
2138 TCGv t1 = tcg_temp_new();
2139 tcg_gen_not_tl(inv1, arg1);
2140 if (add_ca) {
2141 tcg_gen_add_tl(t0, arg2, cpu_ca);
2142 } else {
2143 tcg_gen_addi_tl(t0, arg2, 1);
2144 }
2145 tcg_gen_xor_tl(t1, arg2, inv1); /* add without carry */
2146 tcg_gen_add_tl(t0, t0, inv1);
2147 tcg_temp_free(inv1);
2148 tcg_gen_xor_tl(cpu_ca, t0, t1); /* bits changes w/ carry */
2149 tcg_temp_free(t1);
2150 tcg_gen_extract_tl(cpu_ca, cpu_ca, 32, 1);
2151 if (is_isa300(ctx)) {
2152 tcg_gen_mov_tl(cpu_ca32, cpu_ca);
2153 }
2154 } else if (add_ca) {
2155 TCGv zero, inv1 = tcg_temp_new();
2156 tcg_gen_not_tl(inv1, arg1);
2157 zero = tcg_const_tl(0);
2158 tcg_gen_add2_tl(t0, cpu_ca, arg2, zero, cpu_ca, zero);
2159 tcg_gen_add2_tl(t0, cpu_ca, t0, cpu_ca, inv1, zero);
2160 gen_op_arith_compute_ca32(ctx, t0, inv1, arg2, cpu_ca32, 0);
2161 tcg_temp_free(zero);
2162 tcg_temp_free(inv1);
2163 } else {
2164 tcg_gen_setcond_tl(TCG_COND_GEU, cpu_ca, arg2, arg1);
2165 tcg_gen_sub_tl(t0, arg2, arg1);
2166 gen_op_arith_compute_ca32(ctx, t0, arg1, arg2, cpu_ca32, 1);
2167 }
2168 } else if (add_ca) {
2169 /*
2170 * Since we're ignoring carry-out, we can simplify the
2171 * standard ~arg1 + arg2 + ca to arg2 - arg1 + ca - 1.
2172 */
2173 tcg_gen_sub_tl(t0, arg2, arg1);
2174 tcg_gen_add_tl(t0, t0, cpu_ca);
2175 tcg_gen_subi_tl(t0, t0, 1);
2176 } else {
2177 tcg_gen_sub_tl(t0, arg2, arg1);
2178 }
2179
2180 if (compute_ov) {
2181 gen_op_arith_compute_ov(ctx, t0, arg1, arg2, 1);
2182 }
2183 if (unlikely(compute_rc0)) {
2184 gen_set_Rc0(ctx, t0);
2185 }
2186
2187 if (t0 != ret) {
2188 tcg_gen_mov_tl(ret, t0);
2189 tcg_temp_free(t0);
2190 }
2191 }
2192 /* Sub functions with Two operands functions */
2193 #define GEN_INT_ARITH_SUBF(name, opc3, add_ca, compute_ca, compute_ov) \
2194 static void glue(gen_, name)(DisasContext *ctx) \
2195 { \
2196 gen_op_arith_subf(ctx, cpu_gpr[rD(ctx->opcode)], \
2197 cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], \
2198 add_ca, compute_ca, compute_ov, Rc(ctx->opcode)); \
2199 }
2200 /* Sub functions with one operand and one immediate */
2201 #define GEN_INT_ARITH_SUBF_CONST(name, opc3, const_val, \
2202 add_ca, compute_ca, compute_ov) \
2203 static void glue(gen_, name)(DisasContext *ctx) \
2204 { \
2205 TCGv t0 = tcg_const_tl(const_val); \
2206 gen_op_arith_subf(ctx, cpu_gpr[rD(ctx->opcode)], \
2207 cpu_gpr[rA(ctx->opcode)], t0, \
2208 add_ca, compute_ca, compute_ov, Rc(ctx->opcode)); \
2209 tcg_temp_free(t0); \
2210 }
2211 /* subf subf. subfo subfo. */
2212 GEN_INT_ARITH_SUBF(subf, 0x01, 0, 0, 0)
2213 GEN_INT_ARITH_SUBF(subfo, 0x11, 0, 0, 1)
2214 /* subfc subfc. subfco subfco. */
2215 GEN_INT_ARITH_SUBF(subfc, 0x00, 0, 1, 0)
2216 GEN_INT_ARITH_SUBF(subfco, 0x10, 0, 1, 1)
2217 /* subfe subfe. subfeo subfo. */
2218 GEN_INT_ARITH_SUBF(subfe, 0x04, 1, 1, 0)
2219 GEN_INT_ARITH_SUBF(subfeo, 0x14, 1, 1, 1)
2220 /* subfme subfme. subfmeo subfmeo. */
2221 GEN_INT_ARITH_SUBF_CONST(subfme, 0x07, -1LL, 1, 1, 0)
2222 GEN_INT_ARITH_SUBF_CONST(subfmeo, 0x17, -1LL, 1, 1, 1)
2223 /* subfze subfze. subfzeo subfzeo.*/
2224 GEN_INT_ARITH_SUBF_CONST(subfze, 0x06, 0, 1, 1, 0)
2225 GEN_INT_ARITH_SUBF_CONST(subfzeo, 0x16, 0, 1, 1, 1)
2226
2227 /* subfic */
2228 static void gen_subfic(DisasContext *ctx)
2229 {
2230 TCGv c = tcg_const_tl(SIMM(ctx->opcode));
2231 gen_op_arith_subf(ctx, cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
2232 c, 0, 1, 0, 0);
2233 tcg_temp_free(c);
2234 }
2235
2236 /* neg neg. nego nego. */
2237 static inline void gen_op_arith_neg(DisasContext *ctx, bool compute_ov)
2238 {
2239 TCGv zero = tcg_const_tl(0);
2240 gen_op_arith_subf(ctx, cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
2241 zero, 0, 0, compute_ov, Rc(ctx->opcode));
2242 tcg_temp_free(zero);
2243 }
2244
2245 static void gen_neg(DisasContext *ctx)
2246 {
2247 tcg_gen_neg_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
2248 if (unlikely(Rc(ctx->opcode))) {
2249 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
2250 }
2251 }
2252
2253 static void gen_nego(DisasContext *ctx)
2254 {
2255 gen_op_arith_neg(ctx, 1);
2256 }
2257
2258 /*** Integer logical ***/
2259 #define GEN_LOGICAL2(name, tcg_op, opc, type) \
2260 static void glue(gen_, name)(DisasContext *ctx) \
2261 { \
2262 tcg_op(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], \
2263 cpu_gpr[rB(ctx->opcode)]); \
2264 if (unlikely(Rc(ctx->opcode) != 0)) \
2265 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); \
2266 }
2267
2268 #define GEN_LOGICAL1(name, tcg_op, opc, type) \
2269 static void glue(gen_, name)(DisasContext *ctx) \
2270 { \
2271 tcg_op(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]); \
2272 if (unlikely(Rc(ctx->opcode) != 0)) \
2273 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); \
2274 }
2275
2276 /* and & and. */
2277 GEN_LOGICAL2(and, tcg_gen_and_tl, 0x00, PPC_INTEGER);
2278 /* andc & andc. */
2279 GEN_LOGICAL2(andc, tcg_gen_andc_tl, 0x01, PPC_INTEGER);
2280
2281 /* andi. */
2282 static void gen_andi_(DisasContext *ctx)
2283 {
2284 tcg_gen_andi_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)],
2285 UIMM(ctx->opcode));
2286 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
2287 }
2288
2289 /* andis. */
2290 static void gen_andis_(DisasContext *ctx)
2291 {
2292 tcg_gen_andi_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)],
2293 UIMM(ctx->opcode) << 16);
2294 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
2295 }
2296
2297 /* cntlzw */
2298 static void gen_cntlzw(DisasContext *ctx)
2299 {
2300 TCGv_i32 t = tcg_temp_new_i32();
2301
2302 tcg_gen_trunc_tl_i32(t, cpu_gpr[rS(ctx->opcode)]);
2303 tcg_gen_clzi_i32(t, t, 32);
2304 tcg_gen_extu_i32_tl(cpu_gpr[rA(ctx->opcode)], t);
2305 tcg_temp_free_i32(t);
2306
2307 if (unlikely(Rc(ctx->opcode) != 0)) {
2308 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
2309 }
2310 }
2311
2312 /* cnttzw */
2313 static void gen_cnttzw(DisasContext *ctx)
2314 {
2315 TCGv_i32 t = tcg_temp_new_i32();
2316
2317 tcg_gen_trunc_tl_i32(t, cpu_gpr[rS(ctx->opcode)]);
2318 tcg_gen_ctzi_i32(t, t, 32);
2319 tcg_gen_extu_i32_tl(cpu_gpr[rA(ctx->opcode)], t);
2320 tcg_temp_free_i32(t);
2321
2322 if (unlikely(Rc(ctx->opcode) != 0)) {
2323 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
2324 }
2325 }
2326
2327 /* eqv & eqv. */
2328 GEN_LOGICAL2(eqv, tcg_gen_eqv_tl, 0x08, PPC_INTEGER);
2329 /* extsb & extsb. */
2330 GEN_LOGICAL1(extsb, tcg_gen_ext8s_tl, 0x1D, PPC_INTEGER);
2331 /* extsh & extsh. */
2332 GEN_LOGICAL1(extsh, tcg_gen_ext16s_tl, 0x1C, PPC_INTEGER);
2333 /* nand & nand. */
2334 GEN_LOGICAL2(nand, tcg_gen_nand_tl, 0x0E, PPC_INTEGER);
2335 /* nor & nor. */
2336 GEN_LOGICAL2(nor, tcg_gen_nor_tl, 0x03, PPC_INTEGER);
2337
2338 #if defined(TARGET_PPC64) && !defined(CONFIG_USER_ONLY)
2339 static void gen_pause(DisasContext *ctx)
2340 {
2341 TCGv_i32 t0 = tcg_const_i32(0);
2342 tcg_gen_st_i32(t0, cpu_env,
2343 -offsetof(PowerPCCPU, env) + offsetof(CPUState, halted));
2344 tcg_temp_free_i32(t0);
2345
2346 /* Stop translation, this gives other CPUs a chance to run */
2347 gen_exception_nip(ctx, EXCP_HLT, ctx->base.pc_next);
2348 }
2349 #endif /* defined(TARGET_PPC64) */
2350
2351 /* or & or. */
2352 static void gen_or(DisasContext *ctx)
2353 {
2354 int rs, ra, rb;
2355
2356 rs = rS(ctx->opcode);
2357 ra = rA(ctx->opcode);
2358 rb = rB(ctx->opcode);
2359 /* Optimisation for mr. ri case */
2360 if (rs != ra || rs != rb) {
2361 if (rs != rb) {
2362 tcg_gen_or_tl(cpu_gpr[ra], cpu_gpr[rs], cpu_gpr[rb]);
2363 } else {
2364 tcg_gen_mov_tl(cpu_gpr[ra], cpu_gpr[rs]);
2365 }
2366 if (unlikely(Rc(ctx->opcode) != 0)) {
2367 gen_set_Rc0(ctx, cpu_gpr[ra]);
2368 }
2369 } else if (unlikely(Rc(ctx->opcode) != 0)) {
2370 gen_set_Rc0(ctx, cpu_gpr[rs]);
2371 #if defined(TARGET_PPC64)
2372 } else if (rs != 0) { /* 0 is nop */
2373 int prio = 0;
2374
2375 switch (rs) {
2376 case 1:
2377 /* Set process priority to low */
2378 prio = 2;
2379 break;
2380 case 6:
2381 /* Set process priority to medium-low */
2382 prio = 3;
2383 break;
2384 case 2:
2385 /* Set process priority to normal */
2386 prio = 4;
2387 break;
2388 #if !defined(CONFIG_USER_ONLY)
2389 case 31:
2390 if (!ctx->pr) {
2391 /* Set process priority to very low */
2392 prio = 1;
2393 }
2394 break;
2395 case 5:
2396 if (!ctx->pr) {
2397 /* Set process priority to medium-hight */
2398 prio = 5;
2399 }
2400 break;
2401 case 3:
2402 if (!ctx->pr) {
2403 /* Set process priority to high */
2404 prio = 6;
2405 }
2406 break;
2407 case 7:
2408 if (ctx->hv && !ctx->pr) {
2409 /* Set process priority to very high */
2410 prio = 7;
2411 }
2412 break;
2413 #endif
2414 default:
2415 break;
2416 }
2417 if (prio) {
2418 TCGv t0 = tcg_temp_new();
2419 gen_load_spr(t0, SPR_PPR);
2420 tcg_gen_andi_tl(t0, t0, ~0x001C000000000000ULL);
2421 tcg_gen_ori_tl(t0, t0, ((uint64_t)prio) << 50);
2422 gen_store_spr(SPR_PPR, t0);
2423 tcg_temp_free(t0);
2424 }
2425 #if !defined(CONFIG_USER_ONLY)
2426 /*
2427 * Pause out of TCG otherwise spin loops with smt_low eat too
2428 * much CPU and the kernel hangs. This applies to all
2429 * encodings other than no-op, e.g., miso(rs=26), yield(27),
2430 * mdoio(29), mdoom(30), and all currently undefined.
2431 */
2432 gen_pause(ctx);
2433 #endif
2434 #endif
2435 }
2436 }
2437 /* orc & orc. */
2438 GEN_LOGICAL2(orc, tcg_gen_orc_tl, 0x0C, PPC_INTEGER);
2439
2440 /* xor & xor. */
2441 static void gen_xor(DisasContext *ctx)
2442 {
2443 /* Optimisation for "set to zero" case */
2444 if (rS(ctx->opcode) != rB(ctx->opcode)) {
2445 tcg_gen_xor_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)],
2446 cpu_gpr[rB(ctx->opcode)]);
2447 } else {
2448 tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0);
2449 }
2450 if (unlikely(Rc(ctx->opcode) != 0)) {
2451 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
2452 }
2453 }
2454
2455 /* ori */
2456 static void gen_ori(DisasContext *ctx)
2457 {
2458 target_ulong uimm = UIMM(ctx->opcode);
2459
2460 if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) {
2461 return;
2462 }
2463 tcg_gen_ori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], uimm);
2464 }
2465
2466 /* oris */
2467 static void gen_oris(DisasContext *ctx)
2468 {
2469 target_ulong uimm = UIMM(ctx->opcode);
2470
2471 if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) {
2472 /* NOP */
2473 return;
2474 }
2475 tcg_gen_ori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)],
2476 uimm << 16);
2477 }
2478
2479 /* xori */
2480 static void gen_xori(DisasContext *ctx)
2481 {
2482 target_ulong uimm = UIMM(ctx->opcode);
2483
2484 if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) {
2485 /* NOP */
2486 return;
2487 }
2488 tcg_gen_xori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], uimm);
2489 }
2490
2491 /* xoris */
2492 static void gen_xoris(DisasContext *ctx)
2493 {
2494 target_ulong uimm = UIMM(ctx->opcode);
2495
2496 if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) {
2497 /* NOP */
2498 return;
2499 }
2500 tcg_gen_xori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)],
2501 uimm << 16);
2502 }
2503
2504 /* popcntb : PowerPC 2.03 specification */
2505 static void gen_popcntb(DisasContext *ctx)
2506 {
2507 gen_helper_popcntb(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);
2508 }
2509
2510 static void gen_popcntw(DisasContext *ctx)
2511 {
2512 #if defined(TARGET_PPC64)
2513 gen_helper_popcntw(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);
2514 #else
2515 tcg_gen_ctpop_i32(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);
2516 #endif
2517 }
2518
2519 #if defined(TARGET_PPC64)
2520 /* popcntd: PowerPC 2.06 specification */
2521 static void gen_popcntd(DisasContext *ctx)
2522 {
2523 tcg_gen_ctpop_i64(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);
2524 }
2525 #endif
2526
2527 /* prtyw: PowerPC 2.05 specification */
2528 static void gen_prtyw(DisasContext *ctx)
2529 {
2530 TCGv ra = cpu_gpr[rA(ctx->opcode)];
2531 TCGv rs = cpu_gpr[rS(ctx->opcode)];
2532 TCGv t0 = tcg_temp_new();
2533 tcg_gen_shri_tl(t0, rs, 16);
2534 tcg_gen_xor_tl(ra, rs, t0);
2535 tcg_gen_shri_tl(t0, ra, 8);
2536 tcg_gen_xor_tl(ra, ra, t0);
2537 tcg_gen_andi_tl(ra, ra, (target_ulong)0x100000001ULL);
2538 tcg_temp_free(t0);
2539 }
2540
2541 #if defined(TARGET_PPC64)
2542 /* prtyd: PowerPC 2.05 specification */
2543 static void gen_prtyd(DisasContext *ctx)
2544 {
2545 TCGv ra = cpu_gpr[rA(ctx->opcode)];
2546 TCGv rs = cpu_gpr[rS(ctx->opcode)];
2547 TCGv t0 = tcg_temp_new();
2548 tcg_gen_shri_tl(t0, rs, 32);
2549 tcg_gen_xor_tl(ra, rs, t0);
2550 tcg_gen_shri_tl(t0, ra, 16);
2551 tcg_gen_xor_tl(ra, ra, t0);
2552 tcg_gen_shri_tl(t0, ra, 8);
2553 tcg_gen_xor_tl(ra, ra, t0);
2554 tcg_gen_andi_tl(ra, ra, 1);
2555 tcg_temp_free(t0);
2556 }
2557 #endif
2558
2559 #if defined(TARGET_PPC64)
2560 /* bpermd */
2561 static void gen_bpermd(DisasContext *ctx)
2562 {
2563 gen_helper_bpermd(cpu_gpr[rA(ctx->opcode)],
2564 cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
2565 }
2566 #endif
2567
2568 #if defined(TARGET_PPC64)
2569 /* extsw & extsw. */
2570 GEN_LOGICAL1(extsw, tcg_gen_ext32s_tl, 0x1E, PPC_64B);
2571
2572 /* cntlzd */
2573 static void gen_cntlzd(DisasContext *ctx)
2574 {
2575 tcg_gen_clzi_i64(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], 64);
2576 if (unlikely(Rc(ctx->opcode) != 0)) {
2577 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
2578 }
2579 }
2580
2581 /* cnttzd */
2582 static void gen_cnttzd(DisasContext *ctx)
2583 {
2584 tcg_gen_ctzi_i64(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], 64);
2585 if (unlikely(Rc(ctx->opcode) != 0)) {
2586 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
2587 }
2588 }
2589
2590 /* darn */
2591 static void gen_darn(DisasContext *ctx)
2592 {
2593 int l = L(ctx->opcode);
2594
2595 if (l > 2) {
2596 tcg_gen_movi_i64(cpu_gpr[rD(ctx->opcode)], -1);
2597 } else {
2598 gen_icount_io_start(ctx);
2599 if (l == 0) {
2600 gen_helper_darn32(cpu_gpr[rD(ctx->opcode)]);
2601 } else {
2602 /* Return 64-bit random for both CRN and RRN */
2603 gen_helper_darn64(cpu_gpr[rD(ctx->opcode)]);
2604 }
2605 }
2606 }
2607 #endif
2608
2609 /*** Integer rotate ***/
2610
2611 /* rlwimi & rlwimi. */
2612 static void gen_rlwimi(DisasContext *ctx)
2613 {
2614 TCGv t_ra = cpu_gpr[rA(ctx->opcode)];
2615 TCGv t_rs = cpu_gpr[rS(ctx->opcode)];
2616 uint32_t sh = SH(ctx->opcode);
2617 uint32_t mb = MB(ctx->opcode);
2618 uint32_t me = ME(ctx->opcode);
2619
2620 if (sh == (31 - me) && mb <= me) {
2621 tcg_gen_deposit_tl(t_ra, t_ra, t_rs, sh, me - mb + 1);
2622 } else {
2623 target_ulong mask;
2624 bool mask_in_32b = true;
2625 TCGv t1;
2626
2627 #if defined(TARGET_PPC64)
2628 mb += 32;
2629 me += 32;
2630 #endif
2631 mask = MASK(mb, me);
2632
2633 #if defined(TARGET_PPC64)
2634 if (mask > 0xffffffffu) {
2635 mask_in_32b = false;
2636 }
2637 #endif
2638 t1 = tcg_temp_new();
2639 if (mask_in_32b) {
2640 TCGv_i32 t0 = tcg_temp_new_i32();
2641 tcg_gen_trunc_tl_i32(t0, t_rs);
2642 tcg_gen_rotli_i32(t0, t0, sh);
2643 tcg_gen_extu_i32_tl(t1, t0);
2644 tcg_temp_free_i32(t0);
2645 } else {
2646 #if defined(TARGET_PPC64)
2647 tcg_gen_deposit_i64(t1, t_rs, t_rs, 32, 32);
2648 tcg_gen_rotli_i64(t1, t1, sh);
2649 #else
2650 g_assert_not_reached();
2651 #endif
2652 }
2653
2654 tcg_gen_andi_tl(t1, t1, mask);
2655 tcg_gen_andi_tl(t_ra, t_ra, ~mask);
2656 tcg_gen_or_tl(t_ra, t_ra, t1);
2657 tcg_temp_free(t1);
2658 }
2659 if (unlikely(Rc(ctx->opcode) != 0)) {
2660 gen_set_Rc0(ctx, t_ra);
2661 }
2662 }
2663
2664 /* rlwinm & rlwinm. */
2665 static void gen_rlwinm(DisasContext *ctx)
2666 {
2667 TCGv t_ra = cpu_gpr[rA(ctx->opcode)];
2668 TCGv t_rs = cpu_gpr[rS(ctx->opcode)];
2669 int sh = SH(ctx->opcode);
2670 int mb = MB(ctx->opcode);
2671 int me = ME(ctx->opcode);
2672 int len = me - mb + 1;
2673 int rsh = (32 - sh) & 31;
2674
2675 if (sh != 0 && len > 0 && me == (31 - sh)) {
2676 tcg_gen_deposit_z_tl(t_ra, t_rs, sh, len);
2677 } else if (me == 31 && rsh + len <= 32) {
2678 tcg_gen_extract_tl(t_ra, t_rs, rsh, len);
2679 } else {
2680 target_ulong mask;
2681 bool mask_in_32b = true;
2682 #if defined(TARGET_PPC64)
2683 mb += 32;
2684 me += 32;
2685 #endif
2686 mask = MASK(mb, me);
2687 #if defined(TARGET_PPC64)
2688 if (mask > 0xffffffffu) {
2689 mask_in_32b = false;
2690 }
2691 #endif
2692 if (mask_in_32b) {
2693 if (sh == 0) {
2694 tcg_gen_andi_tl(t_ra, t_rs, mask);
2695 } else {
2696 TCGv_i32 t0 = tcg_temp_new_i32();
2697 tcg_gen_trunc_tl_i32(t0, t_rs);
2698 tcg_gen_rotli_i32(t0, t0, sh);
2699 tcg_gen_andi_i32(t0, t0, mask);
2700 tcg_gen_extu_i32_tl(t_ra, t0);
2701 tcg_temp_free_i32(t0);
2702 }
2703 } else {
2704 #if defined(TARGET_PPC64)
2705 tcg_gen_deposit_i64(t_ra, t_rs, t_rs, 32, 32);
2706 tcg_gen_rotli_i64(t_ra, t_ra, sh);
2707 tcg_gen_andi_i64(t_ra, t_ra, mask);
2708 #else
2709 g_assert_not_reached();
2710 #endif
2711 }
2712 }
2713 if (unlikely(Rc(ctx->opcode) != 0)) {
2714 gen_set_Rc0(ctx, t_ra);
2715 }
2716 }
2717
2718 /* rlwnm & rlwnm. */
2719 static void gen_rlwnm(DisasContext *ctx)
2720 {
2721 TCGv t_ra = cpu_gpr[rA(ctx->opcode)];
2722 TCGv t_rs = cpu_gpr[rS(ctx->opcode)];
2723 TCGv t_rb = cpu_gpr[rB(ctx->opcode)];
2724 uint32_t mb = MB(ctx->opcode);
2725 uint32_t me = ME(ctx->opcode);
2726 target_ulong mask;
2727 bool mask_in_32b = true;
2728
2729 #if defined(TARGET_PPC64)
2730 mb += 32;
2731 me += 32;
2732 #endif
2733 mask = MASK(mb, me);
2734
2735 #if defined(TARGET_PPC64)
2736 if (mask > 0xffffffffu) {
2737 mask_in_32b = false;
2738 }
2739 #endif
2740 if (mask_in_32b) {
2741 TCGv_i32 t0 = tcg_temp_new_i32();
2742 TCGv_i32 t1 = tcg_temp_new_i32();
2743 tcg_gen_trunc_tl_i32(t0, t_rb);
2744 tcg_gen_trunc_tl_i32(t1, t_rs);
2745 tcg_gen_andi_i32(t0, t0, 0x1f);
2746 tcg_gen_rotl_i32(t1, t1, t0);
2747 tcg_gen_extu_i32_tl(t_ra, t1);
2748 tcg_temp_free_i32(t0);
2749 tcg_temp_free_i32(t1);
2750 } else {
2751 #if defined(TARGET_PPC64)
2752 TCGv_i64 t0 = tcg_temp_new_i64();
2753 tcg_gen_andi_i64(t0, t_rb, 0x1f);
2754 tcg_gen_deposit_i64(t_ra, t_rs, t_rs, 32, 32);
2755 tcg_gen_rotl_i64(t_ra, t_ra, t0);
2756 tcg_temp_free_i64(t0);
2757 #else
2758 g_assert_not_reached();
2759 #endif
2760 }
2761
2762 tcg_gen_andi_tl(t_ra, t_ra, mask);
2763
2764 if (unlikely(Rc(ctx->opcode) != 0)) {
2765 gen_set_Rc0(ctx, t_ra);
2766 }
2767 }
2768
2769 #if defined(TARGET_PPC64)
2770 #define GEN_PPC64_R2(name, opc1, opc2) \
2771 static void glue(gen_, name##0)(DisasContext *ctx) \
2772 { \
2773 gen_##name(ctx, 0); \
2774 } \
2775 \
2776 static void glue(gen_, name##1)(DisasContext *ctx) \
2777 { \
2778 gen_##name(ctx, 1); \
2779 }
2780 #define GEN_PPC64_R4(name, opc1, opc2) \
2781 static void glue(gen_, name##0)(DisasContext *ctx) \
2782 { \
2783 gen_##name(ctx, 0, 0); \
2784 } \
2785 \
2786 static void glue(gen_, name##1)(DisasContext *ctx) \
2787 { \
2788 gen_##name(ctx, 0, 1); \
2789 } \
2790 \
2791 static void glue(gen_, name##2)(DisasContext *ctx) \
2792 { \
2793 gen_##name(ctx, 1, 0); \
2794 } \
2795 \
2796 static void glue(gen_, name##3)(DisasContext *ctx) \
2797 { \
2798 gen_##name(ctx, 1, 1); \
2799 }
2800
2801 static void gen_rldinm(DisasContext *ctx, int mb, int me, int sh)
2802 {
2803 TCGv t_ra = cpu_gpr[rA(ctx->opcode)];
2804 TCGv t_rs = cpu_gpr[rS(ctx->opcode)];
2805 int len = me - mb + 1;
2806 int rsh = (64 - sh) & 63;
2807
2808 if (sh != 0 && len > 0 && me == (63 - sh)) {
2809 tcg_gen_deposit_z_tl(t_ra, t_rs, sh, len);
2810 } else if (me == 63 && rsh + len <= 64) {
2811 tcg_gen_extract_tl(t_ra, t_rs, rsh, len);
2812 } else {
2813 tcg_gen_rotli_tl(t_ra, t_rs, sh);
2814 tcg_gen_andi_tl(t_ra, t_ra, MASK(mb, me));
2815 }
2816 if (unlikely(Rc(ctx->opcode) != 0)) {
2817 gen_set_Rc0(ctx, t_ra);
2818 }
2819 }
2820
2821 /* rldicl - rldicl. */
2822 static inline void gen_rldicl(DisasContext *ctx, int mbn, int shn)
2823 {
2824 uint32_t sh, mb;
2825
2826 sh = SH(ctx->opcode) | (shn << 5);
2827 mb = MB(ctx->opcode) | (mbn << 5);
2828 gen_rldinm(ctx, mb, 63, sh);
2829 }
2830 GEN_PPC64_R4(rldicl, 0x1E, 0x00);
2831
2832 /* rldicr - rldicr. */
2833 static inline void gen_rldicr(DisasContext *ctx, int men, int shn)
2834 {
2835 uint32_t sh, me;
2836
2837 sh = SH(ctx->opcode) | (shn << 5);
2838 me = MB(ctx->opcode) | (men << 5);
2839 gen_rldinm(ctx, 0, me, sh);
2840 }
2841 GEN_PPC64_R4(rldicr, 0x1E, 0x02);
2842
2843 /* rldic - rldic. */
2844 static inline void gen_rldic(DisasContext *ctx, int mbn, int shn)
2845 {
2846 uint32_t sh, mb;
2847
2848 sh = SH(ctx->opcode) | (shn << 5);
2849 mb = MB(ctx->opcode) | (mbn << 5);
2850 gen_rldinm(ctx, mb, 63 - sh, sh);
2851 }
2852 GEN_PPC64_R4(rldic, 0x1E, 0x04);
2853
2854 static void gen_rldnm(DisasContext *ctx, int mb, int me)
2855 {
2856 TCGv t_ra = cpu_gpr[rA(ctx->opcode)];
2857 TCGv t_rs = cpu_gpr[rS(ctx->opcode)];
2858 TCGv t_rb = cpu_gpr[rB(ctx->opcode)];
2859 TCGv t0;
2860
2861 t0 = tcg_temp_new();
2862 tcg_gen_andi_tl(t0, t_rb, 0x3f);
2863 tcg_gen_rotl_tl(t_ra, t_rs, t0);
2864 tcg_temp_free(t0);
2865
2866 tcg_gen_andi_tl(t_ra, t_ra, MASK(mb, me));
2867 if (unlikely(Rc(ctx->opcode) != 0)) {
2868 gen_set_Rc0(ctx, t_ra);
2869 }
2870 }
2871
2872 /* rldcl - rldcl. */
2873 static inline void gen_rldcl(DisasContext *ctx, int mbn)
2874 {
2875 uint32_t mb;
2876
2877 mb = MB(ctx->opcode) | (mbn << 5);
2878 gen_rldnm(ctx, mb, 63);
2879 }
2880 GEN_PPC64_R2(rldcl, 0x1E, 0x08);
2881
2882 /* rldcr - rldcr. */
2883 static inline void gen_rldcr(DisasContext *ctx, int men)
2884 {
2885 uint32_t me;
2886
2887 me = MB(ctx->opcode) | (men << 5);
2888 gen_rldnm(ctx, 0, me);
2889 }
2890 GEN_PPC64_R2(rldcr, 0x1E, 0x09);
2891
2892 /* rldimi - rldimi. */
2893 static void gen_rldimi(DisasContext *ctx, int mbn, int shn)
2894 {
2895 TCGv t_ra = cpu_gpr[rA(ctx->opcode)];
2896 TCGv t_rs = cpu_gpr[rS(ctx->opcode)];
2897 uint32_t sh = SH(ctx->opcode) | (shn << 5);
2898 uint32_t mb = MB(ctx->opcode) | (mbn << 5);
2899 uint32_t me = 63 - sh;
2900
2901 if (mb <= me) {
2902 tcg_gen_deposit_tl(t_ra, t_ra, t_rs, sh, me - mb + 1);
2903 } else {
2904 target_ulong mask = MASK(mb, me);
2905 TCGv t1 = tcg_temp_new();
2906
2907 tcg_gen_rotli_tl(t1, t_rs, sh);
2908 tcg_gen_andi_tl(t1, t1, mask);
2909 tcg_gen_andi_tl(t_ra, t_ra, ~mask);
2910 tcg_gen_or_tl(t_ra, t_ra, t1);
2911 tcg_temp_free(t1);
2912 }
2913 if (unlikely(Rc(ctx->opcode) != 0)) {
2914 gen_set_Rc0(ctx, t_ra);
2915 }
2916 }
2917 GEN_PPC64_R4(rldimi, 0x1E, 0x06);
2918 #endif
2919
2920 /*** Integer shift ***/
2921
2922 /* slw & slw. */
2923 static void gen_slw(DisasContext *ctx)
2924 {
2925 TCGv t0, t1;
2926
2927 t0 = tcg_temp_new();
2928 /* AND rS with a mask that is 0 when rB >= 0x20 */
2929 #if defined(TARGET_PPC64)
2930 tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x3a);
2931 tcg_gen_sari_tl(t0, t0, 0x3f);
2932 #else
2933 tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1a);
2934 tcg_gen_sari_tl(t0, t0, 0x1f);
2935 #endif
2936 tcg_gen_andc_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
2937 t1 = tcg_temp_new();
2938 tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1f);
2939 tcg_gen_shl_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
2940 tcg_temp_free(t1);
2941 tcg_temp_free(t0);
2942 tcg_gen_ext32u_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
2943 if (unlikely(Rc(ctx->opcode) != 0)) {
2944 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
2945 }
2946 }
2947
2948 /* sraw & sraw. */
2949 static void gen_sraw(DisasContext *ctx)
2950 {
2951 gen_helper_sraw(cpu_gpr[rA(ctx->opcode)], cpu_env,
2952 cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
2953 if (unlikely(Rc(ctx->opcode) != 0)) {
2954 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
2955 }
2956 }
2957
2958 /* srawi & srawi. */
2959 static void gen_srawi(DisasContext *ctx)
2960 {
2961 int sh = SH(ctx->opcode);
2962 TCGv dst = cpu_gpr[rA(ctx->opcode)];
2963 TCGv src = cpu_gpr[rS(ctx->opcode)];
2964 if (sh == 0) {
2965 tcg_gen_ext32s_tl(dst, src);
2966 tcg_gen_movi_tl(cpu_ca, 0);
2967 if (is_isa300(ctx)) {
2968 tcg_gen_movi_tl(cpu_ca32, 0);
2969 }
2970 } else {
2971 TCGv t0;
2972 tcg_gen_ext32s_tl(dst, src);
2973 tcg_gen_andi_tl(cpu_ca, dst, (1ULL << sh) - 1);
2974 t0 = tcg_temp_new();
2975 tcg_gen_sari_tl(t0, dst, TARGET_LONG_BITS - 1);
2976 tcg_gen_and_tl(cpu_ca, cpu_ca, t0);
2977 tcg_temp_free(t0);
2978 tcg_gen_setcondi_tl(TCG_COND_NE, cpu_ca, cpu_ca, 0);
2979 if (is_isa300(ctx)) {
2980 tcg_gen_mov_tl(cpu_ca32, cpu_ca);
2981 }
2982 tcg_gen_sari_tl(dst, dst, sh);
2983 }
2984 if (unlikely(Rc(ctx->opcode) != 0)) {
2985 gen_set_Rc0(ctx, dst);
2986 }
2987 }
2988
2989 /* srw & srw. */
2990 static void gen_srw(DisasContext *ctx)
2991 {
2992 TCGv t0, t1;
2993
2994 t0 = tcg_temp_new();
2995 /* AND rS with a mask that is 0 when rB >= 0x20 */
2996 #if defined(TARGET_PPC64)
2997 tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x3a);
2998 tcg_gen_sari_tl(t0, t0, 0x3f);
2999 #else
3000 tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1a);
3001 tcg_gen_sari_tl(t0, t0, 0x1f);
3002 #endif
3003 tcg_gen_andc_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
3004 tcg_gen_ext32u_tl(t0, t0);
3005 t1 = tcg_temp_new();
3006 tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1f);
3007 tcg_gen_shr_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
3008 tcg_temp_free(t1);
3009 tcg_temp_free(t0);
3010 if (unlikely(Rc(ctx->opcode) != 0)) {
3011 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
3012 }
3013 }
3014
3015 #if defined(TARGET_PPC64)
3016 /* sld & sld. */
3017 static void gen_sld(DisasContext *ctx)
3018 {
3019 TCGv t0, t1;
3020
3021 t0 = tcg_temp_new();
3022 /* AND rS with a mask that is 0 when rB >= 0x40 */
3023 tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x39);
3024 tcg_gen_sari_tl(t0, t0, 0x3f);
3025 tcg_gen_andc_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
3026 t1 = tcg_temp_new();
3027 tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x3f);
3028 tcg_gen_shl_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
3029 tcg_temp_free(t1);
3030 tcg_temp_free(t0);
3031 if (unlikely(Rc(ctx->opcode) != 0)) {
3032 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
3033 }
3034 }
3035
3036 /* srad & srad. */
3037 static void gen_srad(DisasContext *ctx)
3038 {
3039 gen_helper_srad(cpu_gpr[rA(ctx->opcode)], cpu_env,
3040 cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
3041 if (unlikely(Rc(ctx->opcode) != 0)) {
3042 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
3043 }
3044 }
3045 /* sradi & sradi. */
3046 static inline void gen_sradi(DisasContext *ctx, int n)
3047 {
3048 int sh = SH(ctx->opcode) + (n << 5);
3049 TCGv dst = cpu_gpr[rA(ctx->opcode)];
3050 TCGv src = cpu_gpr[rS(ctx->opcode)];
3051 if (sh == 0) {
3052 tcg_gen_mov_tl(dst, src);
3053 tcg_gen_movi_tl(cpu_ca, 0);
3054 if (is_isa300(ctx)) {
3055 tcg_gen_movi_tl(cpu_ca32, 0);
3056 }
3057 } else {
3058 TCGv t0;
3059 tcg_gen_andi_tl(cpu_ca, src, (1ULL << sh) - 1);
3060 t0 = tcg_temp_new();
3061 tcg_gen_sari_tl(t0, src, TARGET_LONG_BITS - 1);
3062 tcg_gen_and_tl(cpu_ca, cpu_ca, t0);
3063 tcg_temp_free(t0);
3064 tcg_gen_setcondi_tl(TCG_COND_NE, cpu_ca, cpu_ca, 0);
3065 if (is_isa300(ctx)) {
3066 tcg_gen_mov_tl(cpu_ca32, cpu_ca);
3067 }
3068 tcg_gen_sari_tl(dst, src, sh);
3069 }
3070 if (unlikely(Rc(ctx->opcode) != 0)) {
3071 gen_set_Rc0(ctx, dst);
3072 }
3073 }
3074
3075 static void gen_sradi0(DisasContext *ctx)
3076 {
3077 gen_sradi(ctx, 0);
3078 }
3079
3080 static void gen_sradi1(DisasContext *ctx)
3081 {
3082 gen_sradi(ctx, 1);
3083 }
3084
3085 /* extswsli & extswsli. */
3086 static inline void gen_extswsli(DisasContext *ctx, int n)
3087 {
3088 int sh = SH(ctx->opcode) + (n << 5);
3089 TCGv dst = cpu_gpr[rA(ctx->opcode)];
3090 TCGv src = cpu_gpr[rS(ctx->opcode)];
3091
3092 tcg_gen_ext32s_tl(dst, src);
3093 tcg_gen_shli_tl(dst, dst, sh);
3094 if (unlikely(Rc(ctx->opcode) != 0)) {
3095 gen_set_Rc0(ctx, dst);
3096 }
3097 }
3098
3099 static void gen_extswsli0(DisasContext *ctx)
3100 {
3101 gen_extswsli(ctx, 0);
3102 }
3103
3104 static void gen_extswsli1(DisasContext *ctx)
3105 {
3106 gen_extswsli(ctx, 1);
3107 }
3108
3109 /* srd & srd. */
3110 static void gen_srd(DisasContext *ctx)
3111 {
3112 TCGv t0, t1;
3113
3114 t0 = tcg_temp_new();
3115 /* AND rS with a mask that is 0 when rB >= 0x40 */
3116 tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x39);
3117 tcg_gen_sari_tl(t0, t0, 0x3f);
3118 tcg_gen_andc_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
3119 t1 = tcg_temp_new();
3120 tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x3f);
3121 tcg_gen_shr_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
3122 tcg_temp_free(t1);
3123 tcg_temp_free(t0);
3124 if (unlikely(Rc(ctx->opcode) != 0)) {
3125 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
3126 }
3127 }
3128 #endif
3129
3130 /*** Addressing modes ***/
3131 /* Register indirect with immediate index : EA = (rA|0) + SIMM */
3132 static inline void gen_addr_imm_index(DisasContext *ctx, TCGv EA,
3133 target_long maskl)
3134 {
3135 target_long simm = SIMM(ctx->opcode);
3136
3137 simm &= ~maskl;
3138 if (rA(ctx->opcode) == 0) {
3139 if (NARROW_MODE(ctx)) {
3140 simm = (uint32_t)simm;
3141 }
3142 tcg_gen_movi_tl(EA, simm);
3143 } else if (likely(simm != 0)) {
3144 tcg_gen_addi_tl(EA, cpu_gpr[rA(ctx->opcode)], simm);
3145 if (NARROW_MODE(ctx)) {
3146 tcg_gen_ext32u_tl(EA, EA);
3147 }
3148 } else {
3149 if (NARROW_MODE(ctx)) {
3150 tcg_gen_ext32u_tl(EA, cpu_gpr[rA(ctx->opcode)]);
3151 } else {
3152 tcg_gen_mov_tl(EA, cpu_gpr[rA(ctx->opcode)]);
3153 }
3154 }
3155 }
3156
3157 static inline void gen_addr_reg_index(DisasContext *ctx, TCGv EA)
3158 {
3159 if (rA(ctx->opcode) == 0) {
3160 if (NARROW_MODE(ctx)) {
3161 tcg_gen_ext32u_tl(EA, cpu_gpr[rB(ctx->opcode)]);
3162 } else {
3163 tcg_gen_mov_tl(EA, cpu_gpr[rB(ctx->opcode)]);
3164 }
3165 } else {
3166 tcg_gen_add_tl(EA, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
3167 if (NARROW_MODE(ctx)) {
3168 tcg_gen_ext32u_tl(EA, EA);
3169 }
3170 }
3171 }
3172
3173 static inline void gen_addr_register(DisasContext *ctx, TCGv EA)
3174 {
3175 if (rA(ctx->opcode) == 0) {
3176 tcg_gen_movi_tl(EA, 0);
3177 } else if (NARROW_MODE(ctx)) {
3178 tcg_gen_ext32u_tl(EA, cpu_gpr[rA(ctx->opcode)]);
3179 } else {
3180 tcg_gen_mov_tl(EA, cpu_gpr[rA(ctx->opcode)]);
3181 }
3182 }
3183
3184 static inline void gen_addr_add(DisasContext *ctx, TCGv ret, TCGv arg1,
3185 target_long val)
3186 {
3187 tcg_gen_addi_tl(ret, arg1, val);
3188 if (NARROW_MODE(ctx)) {
3189 tcg_gen_ext32u_tl(ret, ret);
3190 }
3191 }
3192
3193 static inline void gen_align_no_le(DisasContext *ctx)
3194 {
3195 gen_exception_err(ctx, POWERPC_EXCP_ALIGN,
3196 (ctx->opcode & 0x03FF0000) | POWERPC_EXCP_ALIGN_LE);
3197 }
3198
3199 /*** Integer load ***/
3200 #define DEF_MEMOP(op) ((op) | ctx->default_tcg_memop_mask)
3201 #define BSWAP_MEMOP(op) ((op) | (ctx->default_tcg_memop_mask ^ MO_BSWAP))
3202
3203 #define GEN_QEMU_LOAD_TL(ldop, op) \
3204 static void glue(gen_qemu_, ldop)(DisasContext *ctx, \
3205 TCGv val, \
3206 TCGv addr) \
3207 { \
3208 tcg_gen_qemu_ld_tl(val, addr, ctx->mem_idx, op); \
3209 }
3210
3211 GEN_QEMU_LOAD_TL(ld8u, DEF_MEMOP(MO_UB))
3212 GEN_QEMU_LOAD_TL(ld16u, DEF_MEMOP(MO_UW))
3213 GEN_QEMU_LOAD_TL(ld16s, DEF_MEMOP(MO_SW))
3214 GEN_QEMU_LOAD_TL(ld32u, DEF_MEMOP(MO_UL))
3215 GEN_QEMU_LOAD_TL(ld32s, DEF_MEMOP(MO_SL))
3216
3217 GEN_QEMU_LOAD_TL(ld16ur, BSWAP_MEMOP(MO_UW))
3218 GEN_QEMU_LOAD_TL(ld32ur, BSWAP_MEMOP(MO_UL))
3219
3220 #define GEN_QEMU_LOAD_64(ldop, op) \
3221 static void glue(gen_qemu_, glue(ldop, _i64))(DisasContext *ctx, \
3222 TCGv_i64 val, \
3223 TCGv addr) \
3224 { \
3225 tcg_gen_qemu_ld_i64(val, addr, ctx->mem_idx, op); \
3226 }
3227
3228 GEN_QEMU_LOAD_64(ld8u, DEF_MEMOP(MO_UB))
3229 GEN_QEMU_LOAD_64(ld16u, DEF_MEMOP(MO_UW))
3230 GEN_QEMU_LOAD_64(ld32u, DEF_MEMOP(MO_UL))
3231 GEN_QEMU_LOAD_64(ld32s, DEF_MEMOP(MO_SL))
3232 GEN_QEMU_LOAD_64(ld64, DEF_MEMOP(MO_Q))
3233
3234 #if defined(TARGET_PPC64)
3235 GEN_QEMU_LOAD_64(ld64ur, BSWAP_MEMOP(MO_Q))
3236 #endif
3237
3238 #define GEN_QEMU_STORE_TL(stop, op) \
3239 static void glue(gen_qemu_, stop)(DisasContext *ctx, \
3240 TCGv val, \
3241 TCGv addr) \
3242 { \
3243 tcg_gen_qemu_st_tl(val, addr, ctx->mem_idx, op); \
3244 }
3245
3246 #if defined(TARGET_PPC64) || !defined(CONFIG_USER_ONLY)
3247 GEN_QEMU_STORE_TL(st8, DEF_MEMOP(MO_UB))
3248 #endif
3249 GEN_QEMU_STORE_TL(st16, DEF_MEMOP(MO_UW))
3250 GEN_QEMU_STORE_TL(st32, DEF_MEMOP(MO_UL))
3251
3252 GEN_QEMU_STORE_TL(st16r, BSWAP_MEMOP(MO_UW))
3253 GEN_QEMU_STORE_TL(st32r, BSWAP_MEMOP(MO_UL))
3254
3255 #define GEN_QEMU_STORE_64(stop, op) \
3256 static void glue(gen_qemu_, glue(stop, _i64))(DisasContext *ctx, \
3257 TCGv_i64 val, \
3258 TCGv addr) \
3259 { \
3260 tcg_gen_qemu_st_i64(val, addr, ctx->mem_idx, op); \
3261 }
3262
3263 GEN_QEMU_STORE_64(st8, DEF_MEMOP(MO_UB))
3264 GEN_QEMU_STORE_64(st16, DEF_MEMOP(MO_UW))
3265 GEN_QEMU_STORE_64(st32, DEF_MEMOP(MO_UL))
3266 GEN_QEMU_STORE_64(st64, DEF_MEMOP(MO_Q))
3267
3268 #if defined(TARGET_PPC64)
3269 GEN_QEMU_STORE_64(st64r, BSWAP_MEMOP(MO_Q))
3270 #endif
3271
3272 #define GEN_LDX_E(name, ldop, opc2, opc3, type, type2, chk) \
3273 static void glue(gen_, name##x)(DisasContext *ctx) \
3274 { \
3275 TCGv EA; \
3276 chk; \
3277 gen_set_access_type(ctx, ACCESS_INT); \
3278 EA = tcg_temp_new(); \
3279 gen_addr_reg_index(ctx, EA); \
3280 gen_qemu_##ldop(ctx, cpu_gpr[rD(ctx->opcode)], EA); \
3281 tcg_temp_free(EA); \
3282 }
3283
3284 #define GEN_LDX(name, ldop, opc2, opc3, type) \
3285 GEN_LDX_E(name, ldop, opc2, opc3, type, PPC_NONE, CHK_NONE)
3286
3287 #define GEN_LDX_HVRM(name, ldop, opc2, opc3, type) \
3288 GEN_LDX_E(name, ldop, opc2, opc3, type, PPC_NONE, CHK_HVRM)
3289
3290 #define GEN_LDEPX(name, ldop, opc2, opc3) \
3291 static void glue(gen_, name##epx)(DisasContext *ctx) \
3292 { \
3293 TCGv EA; \
3294 CHK_SV; \
3295 gen_set_access_type(ctx, ACCESS_INT); \
3296 EA = tcg_temp_new(); \
3297 gen_addr_reg_index(ctx, EA); \
3298 tcg_gen_qemu_ld_tl(cpu_gpr[rD(ctx->opcode)], EA, PPC_TLB_EPID_LOAD, ldop);\
3299 tcg_temp_free(EA); \
3300 }
3301
3302 GEN_LDEPX(lb, DEF_MEMOP(MO_UB), 0x1F, 0x02)
3303 GEN_LDEPX(lh, DEF_MEMOP(MO_UW), 0x1F, 0x08)
3304 GEN_LDEPX(lw, DEF_MEMOP(MO_UL), 0x1F, 0x00)
3305 #if defined(TARGET_PPC64)
3306 GEN_LDEPX(ld, DEF_MEMOP(MO_Q), 0x1D, 0x00)
3307 #endif
3308
3309 #if defined(TARGET_PPC64)
3310 /* CI load/store variants */
3311 GEN_LDX_HVRM(ldcix, ld64_i64, 0x15, 0x1b, PPC_CILDST)
3312 GEN_LDX_HVRM(lwzcix, ld32u, 0x15, 0x15, PPC_CILDST)
3313 GEN_LDX_HVRM(lhzcix, ld16u, 0x15, 0x19, PPC_CILDST)
3314 GEN_LDX_HVRM(lbzcix, ld8u, 0x15, 0x1a, PPC_CILDST)
3315
3316 /* lq */
3317 static void gen_lq(DisasContext *ctx)
3318 {
3319 int ra, rd;
3320 TCGv EA, hi, lo;
3321
3322 /* lq is a legal user mode instruction starting in ISA 2.07 */
3323 bool legal_in_user_mode = (ctx->insns_flags2 & PPC2_LSQ_ISA207) != 0;
3324 bool le_is_supported = (ctx->insns_flags2 & PPC2_LSQ_ISA207) != 0;
3325
3326 if (!legal_in_user_mode && ctx->pr) {
3327 gen_priv_exception(ctx, POWERPC_EXCP_PRIV_OPC);
3328 return;
3329 }
3330
3331 if (!le_is_supported && ctx->le_mode) {
3332 gen_align_no_le(ctx);
3333 return;
3334 }
3335 ra = rA(ctx->opcode);
3336 rd = rD(ctx->opcode);
3337 if (unlikely((rd & 1) || rd == ra)) {
3338 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
3339 return;
3340 }
3341
3342 gen_set_access_type(ctx, ACCESS_INT);
3343 EA = tcg_temp_new();
3344 gen_addr_imm_index(ctx, EA, 0x0F);
3345
3346 /* Note that the low part is always in RD+1, even in LE mode. */
3347 lo = cpu_gpr[rd + 1];
3348 hi = cpu_gpr[rd];
3349
3350 if (tb_cflags(ctx->base.tb) & CF_PARALLEL) {
3351 if (HAVE_ATOMIC128) {
3352 TCGv_i32 oi = tcg_temp_new_i32();
3353 if (ctx->le_mode) {
3354 tcg_gen_movi_i32(oi, make_memop_idx(MO_LEQ, ctx->mem_idx));
3355 gen_helper_lq_le_parallel(lo, cpu_env, EA, oi);
3356 } else {
3357 tcg_gen_movi_i32(oi, make_memop_idx(MO_BEQ, ctx->mem_idx));
3358 gen_helper_lq_be_parallel(lo, cpu_env, EA, oi);
3359 }
3360 tcg_temp_free_i32(oi);
3361 tcg_gen_ld_i64(hi, cpu_env, offsetof(CPUPPCState, retxh));
3362 } else {
3363 /* Restart with exclusive lock. */
3364 gen_helper_exit_atomic(cpu_env);
3365 ctx->base.is_jmp = DISAS_NORETURN;
3366 }
3367 } else if (ctx->le_mode) {
3368 tcg_gen_qemu_ld_i64(lo, EA, ctx->mem_idx, MO_LEQ);
3369 gen_addr_add(ctx, EA, EA, 8);
3370 tcg_gen_qemu_ld_i64(hi, EA, ctx->mem_idx, MO_LEQ);
3371 } else {
3372 tcg_gen_qemu_ld_i64(hi, EA, ctx->mem_idx, MO_BEQ);
3373 gen_addr_add(ctx, EA, EA, 8);
3374 tcg_gen_qemu_ld_i64(lo, EA, ctx->mem_idx, MO_BEQ);
3375 }
3376 tcg_temp_free(EA);
3377 }
3378 #endif
3379
3380 /*** Integer store ***/
3381 #define GEN_STX_E(name, stop, opc2, opc3, type, type2, chk) \
3382 static void glue(gen_, name##x)(DisasContext *ctx) \
3383 { \
3384 TCGv EA; \
3385 chk; \
3386 gen_set_access_type(ctx, ACCESS_INT); \
3387 EA = tcg_temp_new(); \
3388 gen_addr_reg_index(ctx, EA); \
3389 gen_qemu_##stop(ctx, cpu_gpr[rS(ctx->opcode)], EA); \
3390 tcg_temp_free(EA); \
3391 }
3392 #define GEN_STX(name, stop, opc2, opc3, type) \
3393 GEN_STX_E(name, stop, opc2, opc3, type, PPC_NONE, CHK_NONE)
3394
3395 #define GEN_STX_HVRM(name, stop, opc2, opc3, type) \
3396 GEN_STX_E(name, stop, opc2, opc3, type, PPC_NONE, CHK_HVRM)
3397
3398 #define GEN_STEPX(name, stop, opc2, opc3) \
3399 static void glue(gen_, name##epx)(DisasContext *ctx) \
3400 { \
3401 TCGv EA; \
3402 CHK_SV; \
3403 gen_set_access_type(ctx, ACCESS_INT); \
3404 EA = tcg_temp_new(); \
3405 gen_addr_reg_index(ctx, EA); \
3406 tcg_gen_qemu_st_tl( \
3407 cpu_gpr[rD(ctx->opcode)], EA, PPC_TLB_EPID_STORE, stop); \
3408 tcg_temp_free(EA); \
3409 }
3410
3411 GEN_STEPX(stb, DEF_MEMOP(MO_UB), 0x1F, 0x06)
3412 GEN_STEPX(sth, DEF_MEMOP(MO_UW), 0x1F, 0x0C)
3413 GEN_STEPX(stw, DEF_MEMOP(MO_UL), 0x1F, 0x04)
3414 #if defined(TARGET_PPC64)
3415 GEN_STEPX(std, DEF_MEMOP(MO_Q), 0x1d, 0x04)
3416 #endif
3417
3418 #if defined(TARGET_PPC64)
3419 GEN_STX_HVRM(stdcix, st64_i64, 0x15, 0x1f, PPC_CILDST)
3420 GEN_STX_HVRM(stwcix, st32, 0x15, 0x1c, PPC_CILDST)
3421 GEN_STX_HVRM(sthcix, st16, 0x15, 0x1d, PPC_CILDST)
3422 GEN_STX_HVRM(stbcix, st8, 0x15, 0x1e, PPC_CILDST)
3423
3424 static void gen_std(DisasContext *ctx)
3425 {
3426 int rs;
3427 TCGv EA;
3428
3429 rs = rS(ctx->opcode);
3430 if ((ctx->opcode & 0x3) == 0x2) { /* stq */
3431 bool legal_in_user_mode = (ctx->insns_flags2 & PPC2_LSQ_ISA207) != 0;
3432 bool le_is_supported = (ctx->insns_flags2 & PPC2_LSQ_ISA207) != 0;
3433 TCGv hi, lo;
3434
3435 if (!(ctx->insns_flags & PPC_64BX)) {
3436 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
3437 }
3438
3439 if (!legal_in_user_mode && ctx->pr) {
3440 gen_priv_exception(ctx, POWERPC_EXCP_PRIV_OPC);
3441 return;
3442 }
3443
3444 if (!le_is_supported && ctx->le_mode) {
3445 gen_align_no_le(ctx);
3446 return;
3447 }
3448
3449 if (unlikely(rs & 1)) {
3450 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
3451 return;
3452 }
3453 gen_set_access_type(ctx, ACCESS_INT);
3454 EA = tcg_temp_new();
3455 gen_addr_imm_index(ctx, EA, 0x03);
3456
3457 /* Note that the low part is always in RS+1, even in LE mode. */
3458 lo = cpu_gpr[rs + 1];
3459 hi = cpu_gpr[rs];
3460
3461 if (tb_cflags(ctx->base.tb) & CF_PARALLEL) {
3462 if (HAVE_ATOMIC128) {
3463 TCGv_i32 oi = tcg_temp_new_i32();
3464 if (ctx->le_mode) {
3465 tcg_gen_movi_i32(oi, make_memop_idx(MO_LEQ, ctx->mem_idx));
3466 gen_helper_stq_le_parallel(cpu_env, EA, lo, hi, oi);
3467 } else {
3468 tcg_gen_movi_i32(oi, make_memop_idx(MO_BEQ, ctx->mem_idx));
3469 gen_helper_stq_be_parallel(cpu_env, EA, lo, hi, oi);
3470 }
3471 tcg_temp_free_i32(oi);
3472 } else {
3473 /* Restart with exclusive lock. */
3474 gen_helper_exit_atomic(cpu_env);
3475 ctx->base.is_jmp = DISAS_NORETURN;
3476 }
3477 } else if (ctx->le_mode) {
3478 tcg_gen_qemu_st_i64(lo, EA, ctx->mem_idx, MO_LEQ);
3479 gen_addr_add(ctx, EA, EA, 8);
3480 tcg_gen_qemu_st_i64(hi, EA, ctx->mem_idx, MO_LEQ);
3481 } else {
3482 tcg_gen_qemu_st_i64(hi, EA, ctx->mem_idx, MO_BEQ);
3483 gen_addr_add(ctx, EA, EA, 8);
3484 tcg_gen_qemu_st_i64(lo, EA, ctx->mem_idx, MO_BEQ);
3485 }
3486 tcg_temp_free(EA);
3487 } else {
3488 /* std / stdu */
3489 if (Rc(ctx->opcode)) {
3490 if (unlikely(rA(ctx->opcode) == 0)) {
3491 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
3492 return;
3493 }
3494 }
3495 gen_set_access_type(ctx, ACCESS_INT);
3496 EA = tcg_temp_new();
3497 gen_addr_imm_index(ctx, EA, 0x03);
3498 gen_qemu_st64_i64(ctx, cpu_gpr[rs], EA);
3499 if (Rc(ctx->opcode)) {
3500 tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA);
3501 }
3502 tcg_temp_free(EA);
3503 }
3504 }
3505 #endif
3506 /*** Integer load and store with byte reverse ***/
3507
3508 /* lhbrx */
3509 GEN_LDX(lhbr, ld16ur, 0x16, 0x18, PPC_INTEGER);
3510
3511 /* lwbrx */
3512 GEN_LDX(lwbr, ld32ur, 0x16, 0x10, PPC_INTEGER);
3513
3514 #if defined(TARGET_PPC64)
3515 /* ldbrx */
3516 GEN_LDX_E(ldbr, ld64ur_i64, 0x14, 0x10, PPC_NONE, PPC2_DBRX, CHK_NONE);
3517 /* stdbrx */
3518 GEN_STX_E(stdbr, st64r_i64, 0x14, 0x14, PPC_NONE, PPC2_DBRX, CHK_NONE);
3519 #endif /* TARGET_PPC64 */
3520
3521 /* sthbrx */
3522 GEN_STX(sthbr, st16r, 0x16, 0x1C, PPC_INTEGER);
3523 /* stwbrx */
3524 GEN_STX(stwbr, st32r, 0x16, 0x14, PPC_INTEGER);
3525
3526 /*** Integer load and store multiple ***/
3527
3528 /* lmw */
3529 static void gen_lmw(DisasContext *ctx)
3530 {
3531 TCGv t0;
3532 TCGv_i32 t1;
3533
3534 if (ctx->le_mode) {
3535 gen_align_no_le(ctx);
3536 return;
3537 }
3538 gen_set_access_type(ctx, ACCESS_INT);
3539 t0 = tcg_temp_new();
3540 t1 = tcg_const_i32(rD(ctx->opcode));
3541 gen_addr_imm_index(ctx, t0, 0);
3542 gen_helper_lmw(cpu_env, t0, t1);
3543 tcg_temp_free(t0);
3544 tcg_temp_free_i32(t1);
3545 }
3546
3547 /* stmw */
3548 static void gen_stmw(DisasContext *ctx)
3549 {
3550 TCGv t0;
3551 TCGv_i32 t1;
3552
3553 if (ctx->le_mode) {
3554 gen_align_no_le(ctx);
3555 return;
3556 }
3557 gen_set_access_type(ctx, ACCESS_INT);
3558 t0 = tcg_temp_new();
3559 t1 = tcg_const_i32(rS(ctx->opcode));
3560 gen_addr_imm_index(ctx, t0, 0);
3561 gen_helper_stmw(cpu_env, t0, t1);
3562 tcg_temp_free(t0);
3563 tcg_temp_free_i32(t1);
3564 }
3565
3566 /*** Integer load and store strings ***/
3567
3568 /* lswi */
3569 /*
3570 * PowerPC32 specification says we must generate an exception if rA is
3571 * in the range of registers to be loaded. In an other hand, IBM says
3572 * this is valid, but rA won't be loaded. For now, I'll follow the
3573 * spec...
3574 */
3575 static void gen_lswi(DisasContext *ctx)
3576 {
3577 TCGv t0;
3578 TCGv_i32 t1, t2;
3579 int nb = NB(ctx->opcode);
3580 int start = rD(ctx->opcode);
3581 int ra = rA(ctx->opcode);
3582 int nr;
3583
3584 if (ctx->le_mode) {
3585 gen_align_no_le(ctx);
3586 return;
3587 }
3588 if (nb == 0) {
3589 nb = 32;
3590 }
3591 nr = DIV_ROUND_UP(nb, 4);
3592 if (unlikely(lsw_reg_in_range(start, nr, ra))) {
3593 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_LSWX);
3594 return;
3595 }
3596 gen_set_access_type(ctx, ACCESS_INT);
3597 t0 = tcg_temp_new();
3598 gen_addr_register(ctx, t0);
3599 t1 = tcg_const_i32(nb);
3600 t2 = tcg_const_i32(start);
3601 gen_helper_lsw(cpu_env, t0, t1, t2);
3602 tcg_temp_free(t0);
3603 tcg_temp_free_i32(t1);
3604 tcg_temp_free_i32(t2);
3605 }
3606
3607 /* lswx */
3608 static void gen_lswx(DisasContext *ctx)
3609 {
3610 TCGv t0;
3611 TCGv_i32 t1, t2, t3;
3612
3613 if (ctx->le_mode) {
3614 gen_align_no_le(ctx);
3615 return;
3616 }
3617 gen_set_access_type(ctx, ACCESS_INT);
3618 t0 = tcg_temp_new();
3619 gen_addr_reg_index(ctx, t0);
3620 t1 = tcg_const_i32(rD(ctx->opcode));
3621 t2 = tcg_const_i32(rA(ctx->opcode));
3622 t3 = tcg_const_i32(rB(ctx->opcode));
3623 gen_helper_lswx(cpu_env, t0, t1, t2, t3);
3624 tcg_temp_free(t0);
3625 tcg_temp_free_i32(t1);
3626 tcg_temp_free_i32(t2);
3627 tcg_temp_free_i32(t3);
3628 }
3629
3630 /* stswi */
3631 static void gen_stswi(DisasContext *ctx)
3632 {
3633 TCGv t0;
3634 TCGv_i32 t1, t2;
3635 int nb = NB(ctx->opcode);
3636
3637 if (ctx->le_mode) {
3638 gen_align_no_le(ctx);
3639 return;
3640 }
3641 gen_set_access_type(ctx, ACCESS_INT);
3642 t0 = tcg_temp_new();
3643 gen_addr_register(ctx, t0);
3644 if (nb == 0) {
3645 nb = 32;
3646 }
3647 t1 = tcg_const_i32(nb);
3648 t2 = tcg_const_i32(rS(ctx->opcode));
3649 gen_helper_stsw(cpu_env, t0, t1, t2);
3650 tcg_temp_free(t0);
3651 tcg_temp_free_i32(t1);
3652 tcg_temp_free_i32(t2);
3653 }
3654
3655 /* stswx */
3656 static void gen_stswx(DisasContext *ctx)
3657 {
3658 TCGv t0;
3659 TCGv_i32 t1, t2;
3660
3661 if (ctx->le_mode) {
3662 gen_align_no_le(ctx);
3663 return;
3664 }
3665 gen_set_access_type(ctx, ACCESS_INT);
3666 t0 = tcg_temp_new();
3667 gen_addr_reg_index(ctx, t0);
3668 t1 = tcg_temp_new_i32();
3669 tcg_gen_trunc_tl_i32(t1, cpu_xer);
3670 tcg_gen_andi_i32(t1, t1, 0x7F);
3671 t2 = tcg_const_i32(rS(ctx->opcode));
3672 gen_helper_stsw(cpu_env, t0, t1, t2);
3673 tcg_temp_free(t0);
3674 tcg_temp_free_i32(t1);
3675 tcg_temp_free_i32(t2);
3676 }
3677
3678 /*** Memory synchronisation ***/
3679 /* eieio */
3680 static void gen_eieio(DisasContext *ctx)
3681 {
3682 TCGBar bar = TCG_MO_LD_ST;
3683
3684 /*
3685 * POWER9 has a eieio instruction variant using bit 6 as a hint to
3686 * tell the CPU it is a store-forwarding barrier.
3687 */
3688 if (ctx->opcode & 0x2000000) {
3689 /*
3690 * ISA says that "Reserved fields in instructions are ignored
3691 * by the processor". So ignore the bit 6 on non-POWER9 CPU but
3692 * as this is not an instruction software should be using,
3693 * complain to the user.
3694 */
3695 if (!(ctx->insns_flags2 & PPC2_ISA300)) {
3696 qemu_log_mask(LOG_GUEST_ERROR, "invalid eieio using bit 6 at @"
3697 TARGET_FMT_lx "\n", ctx->cia);
3698 } else {
3699 bar = TCG_MO_ST_LD;
3700 }
3701 }
3702
3703 tcg_gen_mb(bar | TCG_BAR_SC);
3704 }
3705
3706 #if !defined(CONFIG_USER_ONLY)
3707 static inline void gen_check_tlb_flush(DisasContext *ctx, bool global)
3708 {
3709 TCGv_i32 t;
3710 TCGLabel *l;
3711
3712 if (!ctx->lazy_tlb_flush) {
3713 return;
3714 }
3715 l = gen_new_label();
3716 t = tcg_temp_new_i32();
3717 tcg_gen_ld_i32(t, cpu_env, offsetof(CPUPPCState, tlb_need_flush));
3718 tcg_gen_brcondi_i32(TCG_COND_EQ, t, 0, l);
3719 if (global) {
3720 gen_helper_check_tlb_flush_global(cpu_env);
3721 } else {
3722 gen_helper_check_tlb_flush_local(cpu_env);
3723 }
3724 gen_set_label(l);
3725 tcg_temp_free_i32(t);
3726 }
3727 #else
3728 static inline void gen_check_tlb_flush(DisasContext *ctx, bool global) { }
3729 #endif
3730
3731 /* isync */
3732 static void gen_isync(DisasContext *ctx)
3733 {
3734 /*
3735 * We need to check for a pending TLB flush. This can only happen in
3736 * kernel mode however so check MSR_PR
3737 */
3738 if (!ctx->pr) {
3739 gen_check_tlb_flush(ctx, false);
3740 }
3741 tcg_gen_mb(TCG_MO_ALL | TCG_BAR_SC);
3742 ctx->base.is_jmp = DISAS_EXIT_UPDATE;
3743 }
3744
3745 #define MEMOP_GET_SIZE(x) (1 << ((x) & MO_SIZE))
3746
3747 static void gen_load_locked(DisasContext *ctx, MemOp memop)
3748 {
3749 TCGv gpr = cpu_gpr[rD(ctx->opcode)];
3750 TCGv t0 = tcg_temp_new();
3751
3752 gen_set_access_type(ctx, ACCESS_RES);
3753 gen_addr_reg_index(ctx, t0);
3754 tcg_gen_qemu_ld_tl(gpr, t0, ctx->mem_idx, memop | MO_ALIGN);
3755 tcg_gen_mov_tl(cpu_reserve, t0);
3756 tcg_gen_mov_tl(cpu_reserve_val, gpr);
3757 tcg_gen_mb(TCG_MO_ALL | TCG_BAR_LDAQ);
3758 tcg_temp_free(t0);
3759 }
3760
3761 #define LARX(name, memop) \
3762 static void gen_##name(DisasContext *ctx) \
3763 { \
3764 gen_load_locked(ctx, memop); \
3765 }
3766
3767 /* lwarx */
3768 LARX(lbarx, DEF_MEMOP(MO_UB))
3769 LARX(lharx, DEF_MEMOP(MO_UW))
3770 LARX(lwarx, DEF_MEMOP(MO_UL))
3771
3772 static void gen_fetch_inc_conditional(DisasContext *ctx, MemOp memop,
3773 TCGv EA, TCGCond cond, int addend)
3774 {
3775 TCGv t = tcg_temp_new();
3776 TCGv t2 = tcg_temp_new();
3777 TCGv u = tcg_temp_new();
3778
3779 tcg_gen_qemu_ld_tl(t, EA, ctx->mem_idx, memop);
3780 tcg_gen_addi_tl(t2, EA, MEMOP_GET_SIZE(memop));
3781 tcg_gen_qemu_ld_tl(t2, t2, ctx->mem_idx, memop);
3782 tcg_gen_addi_tl(u, t, addend);
3783
3784 /* E.g. for fetch and increment bounded... */
3785 /* mem(EA,s) = (t != t2 ? u = t + 1 : t) */
3786 tcg_gen_movcond_tl(cond, u, t, t2, u, t);
3787 tcg_gen_qemu_st_tl(u, EA, ctx->mem_idx, memop);
3788
3789 /* RT = (t != t2 ? t : u = 1<<(s*8-1)) */
3790 tcg_gen_movi_tl(u, 1 << (MEMOP_GET_SIZE(memop) * 8 - 1));
3791 tcg_gen_movcond_tl(cond, cpu_gpr[rD(ctx->opcode)], t, t2, t, u);
3792
3793 tcg_temp_free(t);
3794 tcg_temp_free(t2);
3795 tcg_temp_free(u);
3796 }
3797
3798 static void gen_ld_atomic(DisasContext *ctx, MemOp memop)
3799 {
3800 uint32_t gpr_FC = FC(ctx->opcode);
3801 TCGv EA = tcg_temp_new();
3802 int rt = rD(ctx->opcode);
3803 bool need_serial;
3804 TCGv src, dst;
3805
3806 gen_addr_register(ctx, EA);
3807 dst = cpu_gpr[rt];
3808 src = cpu_gpr[(rt + 1) & 31];
3809
3810 need_serial = false;
3811 memop |= MO_ALIGN;
3812 switch (gpr_FC) {
3813 case 0: /* Fetch and add */
3814 tcg_gen_atomic_fetch_add_tl(dst, EA, src, ctx->mem_idx, memop);
3815 break;
3816 case 1: /* Fetch and xor */
3817 tcg_gen_atomic_fetch_xor_tl(dst, EA, src, ctx->mem_idx, memop);
3818 break;
3819 case 2: /* Fetch and or */
3820 tcg_gen_atomic_fetch_or_tl(dst, EA, src, ctx->mem_idx, memop);
3821 break;
3822 case 3: /* Fetch and 'and' */
3823 tcg_gen_atomic_fetch_and_tl(dst, EA, src, ctx->mem_idx, memop);
3824 break;
3825 case 4: /* Fetch and max unsigned */
3826 tcg_gen_atomic_fetch_umax_tl(dst, EA, src, ctx->mem_idx, memop);
3827 break;
3828 case 5: /* Fetch and max signed */
3829 tcg_gen_atomic_fetch_smax_tl(dst, EA, src, ctx->mem_idx, memop);
3830 break;
3831 case 6: /* Fetch and min unsigned */
3832 tcg_gen_atomic_fetch_umin_tl(dst, EA, src, ctx->mem_idx, memop);
3833 break;
3834 case 7: /* Fetch and min signed */
3835 tcg_gen_atomic_fetch_smin_tl(dst, EA, src, ctx->mem_idx, memop);
3836 break;
3837 case 8: /* Swap */
3838 tcg_gen_atomic_xchg_tl(dst, EA, src, ctx->mem_idx, memop);
3839 break;
3840
3841 case 16: /* Compare and swap not equal */
3842 if (tb_cflags(ctx->base.tb) & CF_PARALLEL) {
3843 need_serial = true;
3844 } else {
3845 TCGv t0 = tcg_temp_new();
3846 TCGv t1 = tcg_temp_new();
3847
3848 tcg_gen_qemu_ld_tl(t0, EA, ctx->mem_idx, memop);
3849 if ((memop & MO_SIZE) == MO_64 || TARGET_LONG_BITS == 32) {
3850 tcg_gen_mov_tl(t1, src);
3851 } else {
3852 tcg_gen_ext32u_tl(t1, src);
3853 }
3854 tcg_gen_movcond_tl(TCG_COND_NE, t1, t0, t1,
3855 cpu_gpr[(rt + 2) & 31], t0);
3856 tcg_gen_qemu_st_tl(t1, EA, ctx->mem_idx, memop);
3857 tcg_gen_mov_tl(dst, t0);
3858
3859 tcg_temp_free(t0);
3860 tcg_temp_free(t1);
3861 }
3862 break;
3863
3864 case 24: /* Fetch and increment bounded */
3865 if (tb_cflags(ctx->base.tb) & CF_PARALLEL) {
3866 need_serial = true;
3867 } else {
3868 gen_fetch_inc_conditional(ctx, memop, EA, TCG_COND_NE, 1);
3869 }
3870 break;
3871 case 25: /* Fetch and increment equal */
3872 if (tb_cflags(ctx->base.tb) & CF_PARALLEL) {
3873 need_serial = true;
3874 } else {
3875 gen_fetch_inc_conditional(ctx, memop, EA, TCG_COND_EQ, 1);
3876 }
3877 break;
3878 case 28: /* Fetch and decrement bounded */
3879 if (tb_cflags(ctx->base.tb) & CF_PARALLEL) {
3880 need_serial = true;
3881 } else {
3882 gen_fetch_inc_conditional(ctx, memop, EA, TCG_COND_NE, -1);
3883 }
3884 break;
3885
3886 default:
3887 /* invoke data storage error handler */
3888 gen_exception_err(ctx, POWERPC_EXCP_DSI, POWERPC_EXCP_INVAL);
3889 }
3890 tcg_temp_free(EA);
3891
3892 if (need_serial) {
3893 /* Restart with exclusive lock. */
3894 gen_helper_exit_atomic(cpu_env);
3895 ctx->base.is_jmp = DISAS_NORETURN;
3896 }
3897 }
3898
3899 static void gen_lwat(DisasContext *ctx)
3900 {
3901 gen_ld_atomic(ctx, DEF_MEMOP(MO_UL));
3902 }
3903
3904 #ifdef TARGET_PPC64
3905 static void gen_ldat(DisasContext *ctx)
3906 {
3907 gen_ld_atomic(ctx, DEF_MEMOP(MO_Q));
3908 }
3909 #endif
3910
3911 static void gen_st_atomic(DisasContext *ctx, MemOp memop)
3912 {
3913 uint32_t gpr_FC = FC(ctx->opcode);
3914 TCGv EA = tcg_temp_new();
3915 TCGv src, discard;
3916
3917 gen_addr_register(ctx, EA);
3918 src = cpu_gpr[rD(ctx->opcode)];
3919 discard = tcg_temp_new();
3920
3921 memop |= MO_ALIGN;
3922 switch (gpr_FC) {
3923 case 0: /* add and Store */
3924 tcg_gen_atomic_add_fetch_tl(discard, EA, src, ctx->mem_idx, memop);
3925 break;
3926 case 1: /* xor and Store */
3927 tcg_gen_atomic_xor_fetch_tl(discard, EA, src, ctx->mem_idx, memop);
3928 break;
3929 case 2: /* Or and Store */
3930 tcg_gen_atomic_or_fetch_tl(discard, EA, src, ctx->mem_idx, memop);
3931 break;
3932 case 3: /* 'and' and Store */
3933 tcg_gen_atomic_and_fetch_tl(discard, EA, src, ctx->mem_idx, memop);
3934 break;
3935 case 4: /* Store max unsigned */
3936 tcg_gen_atomic_umax_fetch_tl(discard, EA, src, ctx->mem_idx, memop);
3937 break;
3938 case 5: /* Store max signed */
3939 tcg_gen_atomic_smax_fetch_tl(discard, EA, src, ctx->mem_idx, memop);
3940 break;
3941 case 6: /* Store min unsigned */
3942 tcg_gen_atomic_umin_fetch_tl(discard, EA, src, ctx->mem_idx, memop);
3943 break;
3944 case 7: /* Store min signed */
3945 tcg_gen_atomic_smin_fetch_tl(discard, EA, src, ctx->mem_idx, memop);
3946 break;
3947 case 24: /* Store twin */
3948 if (tb_cflags(ctx->base.tb) & CF_PARALLEL) {
3949 /* Restart with exclusive lock. */
3950 gen_helper_exit_atomic(cpu_env);
3951 ctx->base.is_jmp = DISAS_NORETURN;
3952 } else {
3953 TCGv t = tcg_temp_new();
3954 TCGv t2 = tcg_temp_new();
3955 TCGv s = tcg_temp_new();
3956 TCGv s2 = tcg_temp_new();
3957 TCGv ea_plus_s = tcg_temp_new();
3958
3959 tcg_gen_qemu_ld_tl(t, EA, ctx->mem_idx, memop);
3960 tcg_gen_addi_tl(ea_plus_s, EA, MEMOP_GET_SIZE(memop));
3961 tcg_gen_qemu_ld_tl(t2, ea_plus_s, ctx->mem_idx, memop);
3962 tcg_gen_movcond_tl(TCG_COND_EQ, s, t, t2, src, t);
3963 tcg_gen_movcond_tl(TCG_COND_EQ, s2, t, t2, src, t2);
3964 tcg_gen_qemu_st_tl(s, EA, ctx->mem_idx, memop);
3965 tcg_gen_qemu_st_tl(s2, ea_plus_s, ctx->mem_idx, memop);
3966
3967 tcg_temp_free(ea_plus_s);
3968 tcg_temp_free(s2);
3969 tcg_temp_free(s);
3970 tcg_temp_free(t2);
3971 tcg_temp_free(t);
3972 }
3973 break;
3974 default:
3975 /* invoke data storage error handler */
3976 gen_exception_err(ctx, POWERPC_EXCP_DSI, POWERPC_EXCP_INVAL);
3977 }
3978 tcg_temp_free(discard);
3979 tcg_temp_free(EA);
3980 }
3981
3982 static void gen_stwat(DisasContext *ctx)
3983 {
3984 gen_st_atomic(ctx, DEF_MEMOP(MO_UL));
3985 }
3986
3987 #ifdef TARGET_PPC64
3988 static void gen_stdat(DisasContext *ctx)
3989 {
3990 gen_st_atomic(ctx, DEF_MEMOP(MO_Q));
3991 }
3992 #endif
3993
3994 static void gen_conditional_store(DisasContext *ctx, MemOp memop)
3995 {
3996 TCGLabel *l1 = gen_new_label();
3997 TCGLabel *l2 = gen_new_label();
3998 TCGv t0 = tcg_temp_new();
3999 int reg = rS(ctx->opcode);
4000
4001 gen_set_access_type(ctx, ACCESS_RES);
4002 gen_addr_reg_index(ctx, t0);
4003 tcg_gen_brcond_tl(TCG_COND_NE, t0, cpu_reserve, l1);
4004 tcg_temp_free(t0);
4005
4006 t0 = tcg_temp_new();
4007 tcg_gen_atomic_cmpxchg_tl(t0, cpu_reserve, cpu_reserve_val,
4008 cpu_gpr[reg], ctx->mem_idx,
4009 DEF_MEMOP(memop) | MO_ALIGN);
4010 tcg_gen_setcond_tl(TCG_COND_EQ, t0, t0, cpu_reserve_val);
4011 tcg_gen_shli_tl(t0, t0, CRF_EQ_BIT);
4012 tcg_gen_or_tl(t0, t0, cpu_so);
4013 tcg_gen_trunc_tl_i32(cpu_crf[0], t0);
4014 tcg_temp_free(t0);
4015 tcg_gen_br(l2);
4016
4017 gen_set_label(l1);
4018
4019 /*
4020 * Address mismatch implies failure. But we still need to provide
4021 * the memory barrier semantics of the instruction.
4022 */
4023 tcg_gen_mb(TCG_MO_ALL | TCG_BAR_STRL);
4024 tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so);
4025
4026 gen_set_label(l2);
4027 tcg_gen_movi_tl(cpu_reserve, -1);
4028 }
4029
4030 #define STCX(name, memop) \
4031 static void gen_##name(DisasContext *ctx) \
4032 { \
4033 gen_conditional_store(ctx, memop); \
4034 }
4035
4036 STCX(stbcx_, DEF_MEMOP(MO_UB))
4037 STCX(sthcx_, DEF_MEMOP(MO_UW))
4038 STCX(stwcx_, DEF_MEMOP(MO_UL))
4039
4040 #if defined(TARGET_PPC64)
4041 /* ldarx */
4042 LARX(ldarx, DEF_MEMOP(MO_Q))
4043 /* stdcx. */
4044 STCX(stdcx_, DEF_MEMOP(MO_Q))
4045
4046 /* lqarx */
4047 static void gen_lqarx(DisasContext *ctx)
4048 {
4049 int rd = rD(ctx->opcode);
4050 TCGv EA, hi, lo;
4051
4052 if (unlikely((rd & 1) || (rd == rA(ctx->opcode)) ||
4053 (rd == rB(ctx->opcode)))) {
4054 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
4055 return;
4056 }
4057
4058 gen_set_access_type(ctx, ACCESS_RES);
4059 EA = tcg_temp_new();
4060 gen_addr_reg_index(ctx, EA);
4061
4062 /* Note that the low part is always in RD+1, even in LE mode. */
4063 lo = cpu_gpr[rd + 1];
4064 hi = cpu_gpr[rd];
4065
4066 if (tb_cflags(ctx->base.tb) & CF_PARALLEL) {
4067 if (HAVE_ATOMIC128) {
4068 TCGv_i32 oi = tcg_temp_new_i32();
4069 if (ctx->le_mode) {
4070 tcg_gen_movi_i32(oi, make_memop_idx(MO_LEQ | MO_ALIGN_16,
4071 ctx->mem_idx));
4072 gen_helper_lq_le_parallel(lo, cpu_env, EA, oi);
4073 } else {
4074 tcg_gen_movi_i32(oi, make_memop_idx(MO_BEQ | MO_ALIGN_16,
4075 ctx->mem_idx));
4076 gen_helper_lq_be_parallel(lo, cpu_env, EA, oi);
4077 }
4078 tcg_temp_free_i32(oi);
4079 tcg_gen_ld_i64(hi, cpu_env, offsetof(CPUPPCState, retxh));
4080 } else {
4081 /* Restart with exclusive lock. */
4082 gen_helper_exit_atomic(cpu_env);
4083 ctx->base.is_jmp = DISAS_NORETURN;
4084 tcg_temp_free(EA);
4085 return;
4086 }
4087 } else if (ctx->le_mode) {
4088 tcg_gen_qemu_ld_i64(lo, EA, ctx->mem_idx, MO_LEQ | MO_ALIGN_16);
4089 tcg_gen_mov_tl(cpu_reserve, EA);
4090 gen_addr_add(ctx, EA, EA, 8);
4091 tcg_gen_qemu_ld_i64(hi, EA, ctx->mem_idx, MO_LEQ);
4092 } else {
4093 tcg_gen_qemu_ld_i64(hi, EA, ctx->mem_idx, MO_BEQ | MO_ALIGN_16);
4094 tcg_gen_mov_tl(cpu_reserve, EA);
4095 gen_addr_add(ctx, EA, EA, 8);
4096 tcg_gen_qemu_ld_i64(lo, EA, ctx->mem_idx, MO_BEQ);
4097 }
4098 tcg_temp_free(EA);
4099
4100 tcg_gen_st_tl(hi, cpu_env, offsetof(CPUPPCState, reserve_val));
4101 tcg_gen_st_tl(lo, cpu_env, offsetof(CPUPPCState, reserve_val2));
4102 }
4103
4104 /* stqcx. */
4105 static void gen_stqcx_(DisasContext *ctx)
4106 {
4107 int rs = rS(ctx->opcode);
4108 TCGv EA, hi, lo;
4109
4110 if (unlikely(rs & 1)) {
4111 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
4112 return;
4113 }
4114
4115 gen_set_access_type(ctx, ACCESS_RES);
4116 EA = tcg_temp_new();
4117 gen_addr_reg_index(ctx, EA);
4118
4119 /* Note that the low part is always in RS+1, even in LE mode. */
4120 lo = cpu_gpr[rs + 1];
4121 hi = cpu_gpr[rs];
4122
4123 if (tb_cflags(ctx->base.tb) & CF_PARALLEL) {
4124 if (HAVE_CMPXCHG128) {
4125 TCGv_i32 oi = tcg_const_i32(DEF_MEMOP(MO_Q) | MO_ALIGN_16);
4126 if (ctx->le_mode) {
4127 gen_helper_stqcx_le_parallel(cpu_crf[0], cpu_env,
4128 EA, lo, hi, oi);
4129 } else {
4130 gen_helper_stqcx_be_parallel(cpu_crf[0], cpu_env,
4131 EA, lo, hi, oi);
4132 }
4133 tcg_temp_free_i32(oi);
4134 } else {
4135 /* Restart with exclusive lock. */
4136 gen_helper_exit_atomic(cpu_env);
4137 ctx->base.is_jmp = DISAS_NORETURN;
4138 }
4139 tcg_temp_free(EA);
4140 } else {
4141 TCGLabel *lab_fail = gen_new_label();
4142 TCGLabel *lab_over = gen_new_label();
4143 TCGv_i64 t0 = tcg_temp_new_i64();
4144 TCGv_i64 t1 = tcg_temp_new_i64();
4145
4146 tcg_gen_brcond_tl(TCG_COND_NE, EA, cpu_reserve, lab_fail);
4147 tcg_temp_free(EA);
4148
4149 gen_qemu_ld64_i64(ctx, t0, cpu_reserve);
4150 tcg_gen_ld_i64(t1, cpu_env, (ctx->le_mode
4151 ? offsetof(CPUPPCState, reserve_val2)
4152 : offsetof(CPUPPCState, reserve_val)));
4153 tcg_gen_brcond_i64(TCG_COND_NE, t0, t1, lab_fail);
4154
4155 tcg_gen_addi_i64(t0, cpu_reserve, 8);
4156 gen_qemu_ld64_i64(ctx, t0, t0);
4157 tcg_gen_ld_i64(t1, cpu_env, (ctx->le_mode
4158 ? offsetof(CPUPPCState, reserve_val)
4159 : offsetof(CPUPPCState, reserve_val2)));
4160 tcg_gen_brcond_i64(TCG_COND_NE, t0, t1, lab_fail);
4161
4162 /* Success */
4163 gen_qemu_st64_i64(ctx, ctx->le_mode ? lo : hi, cpu_reserve);
4164 tcg_gen_addi_i64(t0, cpu_reserve, 8);
4165 gen_qemu_st64_i64(ctx, ctx->le_mode ? hi : lo, t0);
4166
4167 tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so);
4168 tcg_gen_ori_i32(cpu_crf[0], cpu_crf[0], CRF_EQ);
4169 tcg_gen_br(lab_over);
4170
4171 gen_set_label(lab_fail);
4172 tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so);
4173
4174 gen_set_label(lab_over);
4175 tcg_gen_movi_tl(cpu_reserve, -1);
4176 tcg_temp_free_i64(t0);
4177 tcg_temp_free_i64(t1);
4178 }
4179 }
4180 #endif /* defined(TARGET_PPC64) */
4181
4182 /* sync */
4183 static void gen_sync(DisasContext *ctx)
4184 {
4185 uint32_t l = (ctx->opcode >> 21) & 3;
4186
4187 /*
4188 * We may need to check for a pending TLB flush.
4189 *
4190 * We do this on ptesync (l == 2) on ppc64 and any sync pn ppc32.
4191 *
4192 * Additionally, this can only happen in kernel mode however so
4193 * check MSR_PR as well.
4194 */
4195 if (((l == 2) || !(ctx->insns_flags & PPC_64B)) && !ctx->pr) {
4196 gen_check_tlb_flush(ctx, true);
4197 }
4198 tcg_gen_mb(TCG_MO_ALL | TCG_BAR_SC);
4199 }
4200
4201 /* wait */
4202 static void gen_wait(DisasContext *ctx)
4203 {
4204 TCGv_i32 t0 = tcg_const_i32(1);
4205 tcg_gen_st_i32(t0, cpu_env,
4206 -offsetof(PowerPCCPU, env) + offsetof(CPUState, halted));
4207 tcg_temp_free_i32(t0);
4208 /* Stop translation, as the CPU is supposed to sleep from now */
4209 gen_exception_nip(ctx, EXCP_HLT, ctx->base.pc_next);
4210 }
4211
4212 #if defined(TARGET_PPC64)
4213 static void gen_doze(DisasContext *ctx)
4214 {
4215 #if defined(CONFIG_USER_ONLY)
4216 GEN_PRIV;
4217 #else
4218 TCGv_i32 t;
4219
4220 CHK_HV;
4221 t = tcg_const_i32(PPC_PM_DOZE);
4222 gen_helper_pminsn(cpu_env, t);
4223 tcg_temp_free_i32(t);
4224 /* Stop translation, as the CPU is supposed to sleep from now */
4225 gen_exception_nip(ctx, EXCP_HLT, ctx->base.pc_next);
4226 #endif /* defined(CONFIG_USER_ONLY) */
4227 }
4228
4229 static void gen_nap(DisasContext *ctx)
4230 {
4231 #if defined(CONFIG_USER_ONLY)
4232 GEN_PRIV;
4233 #else
4234 TCGv_i32 t;
4235
4236 CHK_HV;
4237 t = tcg_const_i32(PPC_PM_NAP);
4238 gen_helper_pminsn(cpu_env, t);
4239 tcg_temp_free_i32(t);
4240 /* Stop translation, as the CPU is supposed to sleep from now */
4241 gen_exception_nip(ctx, EXCP_HLT, ctx->base.pc_next);
4242 #endif /* defined(CONFIG_USER_ONLY) */
4243 }
4244
4245 static void gen_stop(DisasContext *ctx)
4246 {
4247 #if defined(CONFIG_USER_ONLY)
4248 GEN_PRIV;
4249 #else
4250 TCGv_i32 t;
4251
4252 CHK_HV;
4253 t = tcg_const_i32(PPC_PM_STOP);
4254 gen_helper_pminsn(cpu_env, t);
4255 tcg_temp_free_i32(t);
4256 /* Stop translation, as the CPU is supposed to sleep from now */
4257 gen_exception_nip(ctx, EXCP_HLT, ctx->base.pc_next);
4258 #endif /* defined(CONFIG_USER_ONLY) */
4259 }
4260
4261 static void gen_sleep(DisasContext *ctx)
4262 {
4263 #if defined(CONFIG_USER_ONLY)
4264 GEN_PRIV;
4265 #else
4266 TCGv_i32 t;
4267
4268 CHK_HV;
4269 t = tcg_const_i32(PPC_PM_SLEEP);
4270 gen_helper_pminsn(cpu_env, t);
4271 tcg_temp_free_i32(t);
4272 /* Stop translation, as the CPU is supposed to sleep from now */
4273 gen_exception_nip(ctx, EXCP_HLT, ctx->base.pc_next);
4274 #endif /* defined(CONFIG_USER_ONLY) */
4275 }
4276
4277 static void gen_rvwinkle(DisasContext *ctx)
4278 {
4279 #if defined(CONFIG_USER_ONLY)
4280 GEN_PRIV;
4281 #else
4282 TCGv_i32 t;
4283
4284 CHK_HV;
4285 t = tcg_const_i32(PPC_PM_RVWINKLE);
4286 gen_helper_pminsn(cpu_env, t);
4287 tcg_temp_free_i32(t);
4288 /* Stop translation, as the CPU is supposed to sleep from now */
4289 gen_exception_nip(ctx, EXCP_HLT, ctx->base.pc_next);
4290 #endif /* defined(CONFIG_USER_ONLY) */
4291 }
4292 #endif /* #if defined(TARGET_PPC64) */
4293
4294 static inline void gen_update_cfar(DisasContext *ctx, target_ulong nip)
4295 {
4296 #if defined(TARGET_PPC64)
4297 if (ctx->has_cfar) {
4298 tcg_gen_movi_tl(cpu_cfar, nip);
4299 }
4300 #endif
4301 }
4302
4303 static inline bool use_goto_tb(DisasContext *ctx, target_ulong dest)
4304 {
4305 return translator_use_goto_tb(&ctx->base, dest);
4306 }
4307
4308 static void gen_lookup_and_goto_ptr(DisasContext *ctx)
4309 {
4310 int sse = ctx->singlestep_enabled;
4311 if (unlikely(sse)) {
4312 if (sse & GDBSTUB_SINGLE_STEP) {
4313 gen_debug_exception(ctx);
4314 } else if (sse & (CPU_SINGLE_STEP | CPU_BRANCH_STEP)) {
4315 gen_helper_raise_exception(cpu_env, tcg_constant_i32(gen_prep_dbgex(ctx)));
4316 } else {
4317 tcg_gen_exit_tb(NULL, 0);
4318 }
4319 } else {
4320 tcg_gen_lookup_and_goto_ptr();
4321 }
4322 }
4323
4324 /*** Branch ***/
4325 static void gen_goto_tb(DisasContext *ctx, int n, target_ulong dest)
4326 {
4327 if (NARROW_MODE(ctx)) {
4328 dest = (uint32_t) dest;
4329 }
4330 if (use_goto_tb(ctx, dest)) {
4331 tcg_gen_goto_tb(n);
4332 tcg_gen_movi_tl(cpu_nip, dest & ~3);
4333 tcg_gen_exit_tb(ctx->base.tb, n);
4334 } else {
4335 tcg_gen_movi_tl(cpu_nip, dest & ~3);
4336 gen_lookup_and_goto_ptr(ctx);
4337 }
4338 }
4339
4340 static inline void gen_setlr(DisasContext *ctx, target_ulong nip)
4341 {
4342 if (NARROW_MODE(ctx)) {
4343 nip = (uint32_t)nip;
4344 }
4345 tcg_gen_movi_tl(cpu_lr, nip);
4346 }
4347
4348 /* b ba bl bla */
4349 static void gen_b(DisasContext *ctx)
4350 {
4351 target_ulong li, target;
4352
4353 /* sign extend LI */
4354 li = LI(ctx->opcode);
4355 li = (li ^ 0x02000000) - 0x02000000;
4356 if (likely(AA(ctx->opcode) == 0)) {
4357 target = ctx->cia + li;
4358 } else {
4359 target = li;
4360 }
4361 if (LK(ctx->opcode)) {
4362 gen_setlr(ctx, ctx->base.pc_next);
4363 }
4364 gen_update_cfar(ctx, ctx->cia);
4365 gen_goto_tb(ctx, 0, target);
4366 ctx->base.is_jmp = DISAS_NORETURN;
4367 }
4368
4369 #define BCOND_IM 0
4370 #define BCOND_LR 1
4371 #define BCOND_CTR 2
4372 #define BCOND_TAR 3
4373
4374 static void gen_bcond(DisasContext *ctx, int type)
4375 {
4376 uint32_t bo = BO(ctx->opcode);
4377 TCGLabel *l1;
4378 TCGv target;
4379
4380 if (type == BCOND_LR || type == BCOND_CTR || type == BCOND_TAR) {
4381 target = tcg_temp_local_new();
4382 if (type == BCOND_CTR) {
4383 tcg_gen_mov_tl(target, cpu_ctr);
4384 } else if (type == BCOND_TAR) {
4385 gen_load_spr(target, SPR_TAR);
4386 } else {
4387 tcg_gen_mov_tl(target, cpu_lr);
4388 }
4389 } else {
4390 target = NULL;
4391 }
4392 if (LK(ctx->opcode)) {
4393 gen_setlr(ctx, ctx->base.pc_next);
4394 }
4395 l1 = gen_new_label();
4396 if ((bo & 0x4) == 0) {
4397 /* Decrement and test CTR */
4398 TCGv temp = tcg_temp_new();
4399
4400 if (type == BCOND_CTR) {
4401 /*
4402 * All ISAs up to v3 describe this form of bcctr as invalid but
4403 * some processors, ie. 64-bit server processors compliant with
4404 * arch 2.x, do implement a "test and decrement" logic instead,
4405 * as described in their respective UMs. This logic involves CTR
4406 * to act as both the branch target and a counter, which makes
4407 * it basically useless and thus never used in real code.
4408 *
4409 * This form was hence chosen to trigger extra micro-architectural
4410 * side-effect on real HW needed for the Spectre v2 workaround.
4411 * It is up to guests that implement such workaround, ie. linux, to
4412 * use this form in a way it just triggers the side-effect without
4413 * doing anything else harmful.
4414 */
4415 if (unlikely(!is_book3s_arch2x(ctx))) {
4416 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
4417 tcg_temp_free(temp);
4418 tcg_temp_free(target);
4419 return;
4420 }
4421
4422 if (NARROW_MODE(ctx)) {
4423 tcg_gen_ext32u_tl(temp, cpu_ctr);
4424 } else {
4425 tcg_gen_mov_tl(temp, cpu_ctr);
4426 }
4427 if (bo & 0x2) {
4428 tcg_gen_brcondi_tl(TCG_COND_NE, temp, 0, l1);
4429 } else {
4430 tcg_gen_brcondi_tl(TCG_COND_EQ, temp, 0, l1);
4431 }
4432 tcg_gen_subi_tl(cpu_ctr, cpu_ctr, 1);
4433 } else {
4434 tcg_gen_subi_tl(cpu_ctr, cpu_ctr, 1);
4435 if (NARROW_MODE(ctx)) {
4436 tcg_gen_ext32u_tl(temp, cpu_ctr);
4437 } else {
4438 tcg_gen_mov_tl(temp, cpu_ctr);
4439 }
4440 if (bo & 0x2) {
4441 tcg_gen_brcondi_tl(TCG_COND_NE, temp, 0, l1);
4442 } else {
4443 tcg_gen_brcondi_tl(TCG_COND_EQ, temp, 0, l1);
4444 }
4445 }
4446 tcg_temp_free(temp);
4447 }
4448 if ((bo & 0x10) == 0) {
4449 /* Test CR */
4450 uint32_t bi = BI(ctx->opcode);
4451 uint32_t mask = 0x08 >> (bi & 0x03);
4452 TCGv_i32 temp = tcg_temp_new_i32();
4453
4454 if (bo & 0x8) {
4455 tcg_gen_andi_i32(temp, cpu_crf[bi >> 2], mask);
4456 tcg_gen_brcondi_i32(TCG_COND_EQ, temp, 0, l1);
4457 } else {
4458 tcg_gen_andi_i32(temp, cpu_crf[bi >> 2], mask);
4459 tcg_gen_brcondi_i32(TCG_COND_NE, temp, 0, l1);
4460 }
4461 tcg_temp_free_i32(temp);
4462 }
4463 gen_update_cfar(ctx, ctx->cia);
4464 if (type == BCOND_IM) {
4465 target_ulong li = (target_long)((int16_t)(BD(ctx->opcode)));
4466 if (likely(AA(ctx->opcode) == 0)) {
4467 gen_goto_tb(ctx, 0, ctx->cia + li);
4468 } else {
4469 gen_goto_tb(ctx, 0, li);
4470 }
4471 } else {
4472 if (NARROW_MODE(ctx)) {
4473 tcg_gen_andi_tl(cpu_nip, target, (uint32_t)~3);
4474 } else {
4475 tcg_gen_andi_tl(cpu_nip, target, ~3);
4476 }
4477 gen_lookup_and_goto_ptr(ctx);
4478 tcg_temp_free(target);
4479 }
4480 if ((bo & 0x14) != 0x14) {
4481 /* fallthrough case */
4482 gen_set_label(l1);
4483 gen_goto_tb(ctx, 1, ctx->base.pc_next);
4484 }
4485 ctx->base.is_jmp = DISAS_NORETURN;
4486 }
4487
4488 static void gen_bc(DisasContext *ctx)
4489 {
4490 gen_bcond(ctx, BCOND_IM);
4491 }
4492
4493 static void gen_bcctr(DisasContext *ctx)
4494 {
4495 gen_bcond(ctx, BCOND_CTR);
4496 }
4497
4498 static void gen_bclr(DisasContext *ctx)
4499 {
4500 gen_bcond(ctx, BCOND_LR);
4501 }
4502
4503 static void gen_bctar(DisasContext *ctx)
4504 {
4505 gen_bcond(ctx, BCOND_TAR);
4506 }
4507
4508 /*** Condition register logical ***/
4509 #define GEN_CRLOGIC(name, tcg_op, opc) \
4510 static void glue(gen_, name)(DisasContext *ctx) \
4511 { \
4512 uint8_t bitmask; \
4513 int sh; \
4514 TCGv_i32 t0, t1; \
4515 sh = (crbD(ctx->opcode) & 0x03) - (crbA(ctx->opcode) & 0x03); \
4516 t0 = tcg_temp_new_i32(); \
4517 if (sh > 0) \
4518 tcg_gen_shri_i32(t0, cpu_crf[crbA(ctx->opcode) >> 2], sh); \
4519 else if (sh < 0) \
4520 tcg_gen_shli_i32(t0, cpu_crf[crbA(ctx->opcode) >> 2], -sh); \
4521 else \
4522 tcg_gen_mov_i32(t0, cpu_crf[crbA(ctx->opcode) >> 2]); \
4523 t1 = tcg_temp_new_i32(); \
4524 sh = (crbD(ctx->opcode) & 0x03) - (crbB(ctx->opcode) & 0x03); \
4525 if (sh > 0) \
4526 tcg_gen_shri_i32(t1, cpu_crf[crbB(ctx->opcode) >> 2], sh); \
4527 else if (sh < 0) \
4528 tcg_gen_shli_i32(t1, cpu_crf[crbB(ctx->opcode) >> 2], -sh); \
4529 else \
4530 tcg_gen_mov_i32(t1, cpu_crf[crbB(ctx->opcode) >> 2]); \
4531 tcg_op(t0, t0, t1); \
4532 bitmask = 0x08 >> (crbD(ctx->opcode) & 0x03); \
4533 tcg_gen_andi_i32(t0, t0, bitmask); \
4534 tcg_gen_andi_i32(t1, cpu_crf[crbD(ctx->opcode) >> 2], ~bitmask); \
4535 tcg_gen_or_i32(cpu_crf[crbD(ctx->opcode) >> 2], t0, t1); \
4536 tcg_temp_free_i32(t0); \
4537 tcg_temp_free_i32(t1); \
4538 }
4539
4540 /* crand */
4541 GEN_CRLOGIC(crand, tcg_gen_and_i32, 0x08);
4542 /* crandc */
4543 GEN_CRLOGIC(crandc, tcg_gen_andc_i32, 0x04);
4544 /* creqv */
4545 GEN_CRLOGIC(creqv, tcg_gen_eqv_i32, 0x09);
4546 /* crnand */
4547 GEN_CRLOGIC(crnand, tcg_gen_nand_i32, 0x07);
4548 /* crnor */
4549 GEN_CRLOGIC(crnor, tcg_gen_nor_i32, 0x01);
4550 /* cror */
4551 GEN_CRLOGIC(cror, tcg_gen_or_i32, 0x0E);
4552 /* crorc */
4553 GEN_CRLOGIC(crorc, tcg_gen_orc_i32, 0x0D);
4554 /* crxor */
4555 GEN_CRLOGIC(crxor, tcg_gen_xor_i32, 0x06);
4556
4557 /* mcrf */
4558 static void gen_mcrf(DisasContext *ctx)
4559 {
4560 tcg_gen_mov_i32(cpu_crf[crfD(ctx->opcode)], cpu_crf[crfS(ctx->opcode)]);
4561 }
4562
4563 /*** System linkage ***/
4564
4565 /* rfi (supervisor only) */
4566 static void gen_rfi(DisasContext *ctx)
4567 {
4568 #if defined(CONFIG_USER_ONLY)
4569 GEN_PRIV;
4570 #else
4571 /*
4572 * This instruction doesn't exist anymore on 64-bit server
4573 * processors compliant with arch 2.x
4574 */
4575 if (is_book3s_arch2x(ctx)) {
4576 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
4577 return;
4578 }
4579 /* Restore CPU state */
4580 CHK_SV;
4581 gen_icount_io_start(ctx);
4582 gen_update_cfar(ctx, ctx->cia);
4583 gen_helper_rfi(cpu_env);
4584 ctx->base.is_jmp = DISAS_EXIT;
4585 #endif
4586 }
4587
4588 #if defined(TARGET_PPC64)
4589 static void gen_rfid(DisasContext *ctx)
4590 {
4591 #if defined(CONFIG_USER_ONLY)
4592 GEN_PRIV;
4593 #else
4594 /* Restore CPU state */
4595 CHK_SV;
4596 gen_icount_io_start(ctx);
4597 gen_update_cfar(ctx, ctx->cia);
4598 gen_helper_rfid(cpu_env);
4599 ctx->base.is_jmp = DISAS_EXIT;
4600 #endif
4601 }
4602
4603 #if !defined(CONFIG_USER_ONLY)
4604 static void gen_rfscv(DisasContext *ctx)
4605 {
4606 #if defined(CONFIG_USER_ONLY)
4607 GEN_PRIV;
4608 #else
4609 /* Restore CPU state */
4610 CHK_SV;
4611 gen_icount_io_start(ctx);
4612 gen_update_cfar(ctx, ctx->cia);
4613 gen_helper_rfscv(cpu_env);
4614 ctx->base.is_jmp = DISAS_EXIT;
4615 #endif
4616 }
4617 #endif
4618
4619 static void gen_hrfid(DisasContext *ctx)
4620 {
4621 #if defined(CONFIG_USER_ONLY)
4622 GEN_PRIV;
4623 #else
4624 /* Restore CPU state */
4625 CHK_HV;
4626 gen_helper_hrfid(cpu_env);
4627 ctx->base.is_jmp = DISAS_EXIT;
4628 #endif
4629 }
4630 #endif
4631
4632 /* sc */
4633 #if defined(CONFIG_USER_ONLY)
4634 #define POWERPC_SYSCALL POWERPC_EXCP_SYSCALL_USER
4635 #else
4636 #define POWERPC_SYSCALL POWERPC_EXCP_SYSCALL
4637 #define POWERPC_SYSCALL_VECTORED POWERPC_EXCP_SYSCALL_VECTORED
4638 #endif
4639 static void gen_sc(DisasContext *ctx)
4640 {
4641 uint32_t lev;
4642
4643 lev = (ctx->opcode >> 5) & 0x7F;
4644 gen_exception_err(ctx, POWERPC_SYSCALL, lev);
4645 }
4646
4647 #if defined(TARGET_PPC64)
4648 #if !defined(CONFIG_USER_ONLY)
4649 static void gen_scv(DisasContext *ctx)
4650 {
4651 uint32_t lev = (ctx->opcode >> 5) & 0x7F;
4652
4653 /* Set the PC back to the faulting instruction. */
4654 gen_update_nip(ctx, ctx->cia);
4655 gen_helper_scv(cpu_env, tcg_constant_i32(lev));
4656
4657 ctx->base.is_jmp = DISAS_NORETURN;
4658 }
4659 #endif
4660 #endif
4661
4662 /*** Trap ***/
4663
4664 /* Check for unconditional traps (always or never) */
4665 static bool check_unconditional_trap(DisasContext *ctx)
4666 {
4667 /* Trap never */
4668 if (TO(ctx->opcode) == 0) {
4669 return true;
4670 }
4671 /* Trap always */
4672 if (TO(ctx->opcode) == 31) {
4673 gen_exception_err(ctx, POWERPC_EXCP_PROGRAM, POWERPC_EXCP_TRAP);
4674 return true;
4675 }
4676 return false;
4677 }
4678
4679 /* tw */
4680 static void gen_tw(DisasContext *ctx)
4681 {
4682 TCGv_i32 t0;
4683
4684 if (check_unconditional_trap(ctx)) {
4685 return;
4686 }
4687 t0 = tcg_const_i32(TO(ctx->opcode));
4688 gen_helper_tw(cpu_env, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],
4689 t0);
4690 tcg_temp_free_i32(t0);
4691 }
4692
4693 /* twi */
4694 static void gen_twi(DisasContext *ctx)
4695 {
4696 TCGv t0;
4697 TCGv_i32 t1;
4698
4699 if (check_unconditional_trap(ctx)) {
4700 return;
4701 }
4702 t0 = tcg_const_tl(SIMM(ctx->opcode));
4703 t1 = tcg_const_i32(TO(ctx->opcode));
4704 gen_helper_tw(cpu_env, cpu_gpr[rA(ctx->opcode)], t0, t1);
4705 tcg_temp_free(t0);
4706 tcg_temp_free_i32(t1);
4707 }
4708
4709 #if defined(TARGET_PPC64)
4710 /* td */
4711 static void gen_td(DisasContext *ctx)
4712 {
4713 TCGv_i32 t0;
4714
4715 if (check_unconditional_trap(ctx)) {
4716 return;
4717 }
4718 t0 = tcg_const_i32(TO(ctx->opcode));
4719 gen_helper_td(cpu_env, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],
4720 t0);
4721 tcg_temp_free_i32(t0);
4722 }
4723
4724 /* tdi */
4725 static void gen_tdi(DisasContext *ctx)
4726 {
4727 TCGv t0;
4728 TCGv_i32 t1;
4729
4730 if (check_unconditional_trap(ctx)) {
4731 return;
4732 }
4733 t0 = tcg_const_tl(SIMM(ctx->opcode));
4734 t1 = tcg_const_i32(TO(ctx->opcode));
4735 gen_helper_td(cpu_env, cpu_gpr[rA(ctx->opcode)], t0, t1);
4736 tcg_temp_free(t0);
4737 tcg_temp_free_i32(t1);
4738 }
4739 #endif
4740
4741 /*** Processor control ***/
4742
4743 /* mcrxr */
4744 static void gen_mcrxr(DisasContext *ctx)
4745 {
4746 TCGv_i32 t0 = tcg_temp_new_i32();
4747 TCGv_i32 t1 = tcg_temp_new_i32();
4748 TCGv_i32 dst = cpu_crf[crfD(ctx->opcode)];
4749
4750 tcg_gen_trunc_tl_i32(t0, cpu_so);
4751 tcg_gen_trunc_tl_i32(t1, cpu_ov);
4752 tcg_gen_trunc_tl_i32(dst, cpu_ca);
4753 tcg_gen_shli_i32(t0, t0, 3);
4754 tcg_gen_shli_i32(t1, t1, 2);
4755 tcg_gen_shli_i32(dst, dst, 1);
4756 tcg_gen_or_i32(dst, dst, t0);
4757 tcg_gen_or_i32(dst, dst, t1);
4758 tcg_temp_free_i32(t0);
4759 tcg_temp_free_i32(t1);
4760
4761 tcg_gen_movi_tl(cpu_so, 0);
4762 tcg_gen_movi_tl(cpu_ov, 0);
4763 tcg_gen_movi_tl(cpu_ca, 0);
4764 }
4765
4766 #ifdef TARGET_PPC64
4767 /* mcrxrx */
4768 static void gen_mcrxrx(DisasContext *ctx)
4769 {
4770 TCGv t0 = tcg_temp_new();
4771 TCGv t1 = tcg_temp_new();
4772 TCGv_i32 dst = cpu_crf[crfD(ctx->opcode)];
4773
4774 /* copy OV and OV32 */
4775 tcg_gen_shli_tl(t0, cpu_ov, 1);
4776 tcg_gen_or_tl(t0, t0, cpu_ov32);
4777 tcg_gen_shli_tl(t0, t0, 2);
4778 /* copy CA and CA32 */
4779 tcg_gen_shli_tl(t1, cpu_ca, 1);
4780 tcg_gen_or_tl(t1, t1, cpu_ca32);
4781 tcg_gen_or_tl(t0, t0, t1);
4782 tcg_gen_trunc_tl_i32(dst, t0);
4783 tcg_temp_free(t0);
4784 tcg_temp_free(t1);
4785 }
4786 #endif
4787
4788 /* mfcr mfocrf */
4789 static void gen_mfcr(DisasContext *ctx)
4790 {
4791 uint32_t crm, crn;
4792
4793 if (likely(ctx->opcode & 0x00100000)) {
4794 crm = CRM(ctx->opcode);
4795 if (likely(crm && ((crm & (crm - 1)) == 0))) {
4796 crn = ctz32(crm);
4797 tcg_gen_extu_i32_tl(cpu_gpr[rD(ctx->opcode)], cpu_crf[7 - crn]);
4798 tcg_gen_shli_tl(cpu_gpr[rD(ctx->opcode)],
4799 cpu_gpr[rD(ctx->opcode)], crn * 4);
4800 }
4801 } else {
4802 TCGv_i32 t0 = tcg_temp_new_i32();
4803 tcg_gen_mov_i32(t0, cpu_crf[0]);
4804 tcg_gen_shli_i32(t0, t0, 4);
4805 tcg_gen_or_i32(t0, t0, cpu_crf[1]);
4806 tcg_gen_shli_i32(t0, t0, 4);
4807 tcg_gen_or_i32(t0, t0, cpu_crf[2]);
4808 tcg_gen_shli_i32(t0, t0, 4);
4809 tcg_gen_or_i32(t0, t0, cpu_crf[3]);
4810 tcg_gen_shli_i32(t0, t0, 4);
4811 tcg_gen_or_i32(t0, t0, cpu_crf[4]);
4812 tcg_gen_shli_i32(t0, t0, 4);
4813 tcg_gen_or_i32(t0, t0, cpu_crf[5]);
4814 tcg_gen_shli_i32(t0, t0, 4);
4815 tcg_gen_or_i32(t0, t0, cpu_crf[6]);
4816 tcg_gen_shli_i32(t0, t0, 4);
4817 tcg_gen_or_i32(t0, t0, cpu_crf[7]);
4818 tcg_gen_extu_i32_tl(cpu_gpr[rD(ctx->opcode)], t0);
4819 tcg_temp_free_i32(t0);
4820 }
4821 }
4822
4823 /* mfmsr */
4824 static void gen_mfmsr(DisasContext *ctx)
4825 {
4826 CHK_SV;
4827 tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_msr);
4828 }
4829
4830 /* mfspr */
4831 static inline void gen_op_mfspr(DisasContext *ctx)
4832 {
4833 void (*read_cb)(DisasContext *ctx, int gprn, int sprn);
4834 uint32_t sprn = SPR(ctx->opcode);
4835
4836 #if defined(CONFIG_USER_ONLY)
4837 read_cb = ctx->spr_cb[sprn].uea_read;
4838 #else
4839 if (ctx->pr) {
4840 read_cb = ctx->spr_cb[sprn].uea_read;
4841 } else if (ctx->hv) {
4842 read_cb = ctx->spr_cb[sprn].hea_read;
4843 } else {
4844 read_cb = ctx->spr_cb[sprn].oea_read;
4845 }
4846 #endif
4847 if (likely(read_cb != NULL)) {
4848 if (likely(read_cb != SPR_NOACCESS)) {
4849 (*read_cb)(ctx, rD(ctx->opcode), sprn);
4850 } else {
4851 /* Privilege exception */
4852 /*
4853 * This is a hack to avoid warnings when running Linux:
4854 * this OS breaks the PowerPC virtualisation model,
4855 * allowing userland application to read the PVR
4856 */
4857 if (sprn != SPR_PVR) {
4858 qemu_log_mask(LOG_GUEST_ERROR, "Trying to read privileged spr "
4859 "%d (0x%03x) at " TARGET_FMT_lx "\n", sprn, sprn,
4860 ctx->cia);
4861 }
4862 gen_priv_exception(ctx, POWERPC_EXCP_PRIV_REG);
4863 }
4864 } else {
4865 /* ISA 2.07 defines these as no-ops */
4866 if ((ctx->insns_flags2 & PPC2_ISA207S) &&
4867 (sprn >= 808 && sprn <= 811)) {
4868 /* This is a nop */
4869 return;
4870 }
4871 /* Not defined */
4872 qemu_log_mask(LOG_GUEST_ERROR,
4873 "Trying to read invalid spr %d (0x%03x) at "
4874 TARGET_FMT_lx "\n", sprn, sprn, ctx->cia);
4875
4876 /*
4877 * The behaviour depends on MSR:PR and SPR# bit 0x10, it can
4878 * generate a priv, a hv emu or a no-op
4879 */
4880 if (sprn & 0x10) {
4881 if (ctx->pr) {
4882 gen_priv_exception(ctx, POWERPC_EXCP_INVAL_SPR);
4883 }
4884 } else {
4885 if (ctx->pr || sprn == 0 || sprn == 4 || sprn == 5 || sprn == 6) {
4886 gen_hvpriv_exception(ctx, POWERPC_EXCP_INVAL_SPR);
4887 }
4888 }
4889 }
4890 }
4891
4892 static void gen_mfspr(DisasContext *ctx)
4893 {
4894 gen_op_mfspr(ctx);
4895 }
4896
4897 /* mftb */
4898 static void gen_mftb(DisasContext *ctx)
4899 {
4900 gen_op_mfspr(ctx);
4901 }
4902
4903 /* mtcrf mtocrf*/
4904 static void gen_mtcrf(DisasContext *ctx)
4905 {
4906 uint32_t crm, crn;
4907
4908 crm = CRM(ctx->opcode);
4909 if (likely((ctx->opcode & 0x00100000))) {
4910 if (crm && ((crm & (crm - 1)) == 0)) {
4911 TCGv_i32 temp = tcg_temp_new_i32();
4912 crn = ctz32(crm);
4913 tcg_gen_trunc_tl_i32(temp, cpu_gpr[rS(ctx->opcode)]);
4914 tcg_gen_shri_i32(temp, temp, crn * 4);
4915 tcg_gen_andi_i32(cpu_crf[7 - crn], temp, 0xf);
4916 tcg_temp_free_i32(temp);
4917 }
4918 } else {
4919 TCGv_i32 temp = tcg_temp_new_i32();
4920 tcg_gen_trunc_tl_i32(temp, cpu_gpr[rS(ctx->opcode)]);
4921 for (crn = 0 ; crn < 8 ; crn++) {
4922 if (crm & (1 << crn)) {
4923 tcg_gen_shri_i32(cpu_crf[7 - crn], temp, crn * 4);
4924 tcg_gen_andi_i32(cpu_crf[7 - crn], cpu_crf[7 - crn], 0xf);
4925 }
4926 }
4927 tcg_temp_free_i32(temp);
4928 }
4929 }
4930
4931 /* mtmsr */
4932 #if defined(TARGET_PPC64)
4933 static void gen_mtmsrd(DisasContext *ctx)
4934 {
4935 if (unlikely(!is_book3s_arch2x(ctx))) {
4936 gen_invalid(ctx);
4937 return;
4938 }
4939
4940 CHK_SV;
4941
4942 #if !defined(CONFIG_USER_ONLY)
4943 gen_icount_io_start(ctx);
4944 if (ctx->opcode & 0x00010000) {
4945 /* L=1 form only updates EE and RI */
4946 TCGv t0 = tcg_temp_new();
4947 TCGv t1 = tcg_temp_new();
4948 tcg_gen_andi_tl(t0, cpu_gpr[rS(ctx->opcode)],
4949 (1 << MSR_RI) | (1 << MSR_EE));
4950 tcg_gen_andi_tl(t1, cpu_msr,
4951 ~(target_ulong)((1 << MSR_RI) | (1 << MSR_EE)));
4952 tcg_gen_or_tl(t1, t1, t0);
4953
4954 gen_helper_store_msr(cpu_env, t1);
4955 tcg_temp_free(t0);
4956 tcg_temp_free(t1);
4957
4958 } else {
4959 /*
4960 * XXX: we need to update nip before the store if we enter
4961 * power saving mode, we will exit the loop directly from
4962 * ppc_store_msr
4963 */
4964 gen_update_nip(ctx, ctx->base.pc_next);
4965 gen_helper_store_msr(cpu_env, cpu_gpr[rS(ctx->opcode)]);
4966 }
4967 /* Must stop the translation as machine state (may have) changed */
4968 ctx->base.is_jmp = DISAS_EXIT_UPDATE;
4969 #endif /* !defined(CONFIG_USER_ONLY) */
4970 }
4971 #endif /* defined(TARGET_PPC64) */
4972
4973 static void gen_mtmsr(DisasContext *ctx)
4974 {
4975 CHK_SV;
4976
4977 #if !defined(CONFIG_USER_ONLY)
4978 gen_icount_io_start(ctx);
4979 if (ctx->opcode & 0x00010000) {
4980 /* L=1 form only updates EE and RI */
4981 TCGv t0 = tcg_temp_new();
4982 TCGv t1 = tcg_temp_new();
4983 tcg_gen_andi_tl(t0, cpu_gpr[rS(ctx->opcode)],
4984 (1 << MSR_RI) | (1 << MSR_EE));
4985 tcg_gen_andi_tl(t1, cpu_msr,
4986 ~(target_ulong)((1 << MSR_RI) | (1 << MSR_EE)));
4987 tcg_gen_or_tl(t1, t1, t0);
4988
4989 gen_helper_store_msr(cpu_env, t1);
4990 tcg_temp_free(t0);
4991 tcg_temp_free(t1);
4992
4993 } else {
4994 TCGv msr = tcg_temp_new();
4995
4996 /*
4997 * XXX: we need to update nip before the store if we enter
4998 * power saving mode, we will exit the loop directly from
4999 * ppc_store_msr
5000 */
5001 gen_update_nip(ctx, ctx->base.pc_next);
5002 #if defined(TARGET_PPC64)
5003 tcg_gen_deposit_tl(msr, cpu_msr, cpu_gpr[rS(ctx->opcode)], 0, 32);
5004 #else
5005 tcg_gen_mov_tl(msr, cpu_gpr[rS(ctx->opcode)]);
5006 #endif
5007 gen_helper_store_msr(cpu_env, msr);
5008 tcg_temp_free(msr);
5009 }
5010 /* Must stop the translation as machine state (may have) changed */
5011 ctx->base.is_jmp = DISAS_EXIT_UPDATE;
5012 #endif
5013 }
5014
5015 /* mtspr */
5016 static void gen_mtspr(DisasContext *ctx)
5017 {
5018 void (*write_cb)(DisasContext *ctx, int sprn, int gprn);
5019 uint32_t sprn = SPR(ctx->opcode);
5020
5021 #if defined(CONFIG_USER_ONLY)
5022 write_cb = ctx->spr_cb[sprn].uea_write;
5023 #else
5024 if (ctx->pr) {
5025 write_cb = ctx->spr_cb[sprn].uea_write;
5026 } else if (ctx->hv) {
5027 write_cb = ctx->spr_cb[sprn].hea_write;
5028 } else {
5029 write_cb = ctx->spr_cb[sprn].oea_write;
5030 }
5031 #endif
5032 if (likely(write_cb != NULL)) {
5033 if (likely(write_cb != SPR_NOACCESS)) {
5034 (*write_cb)(ctx, sprn, rS(ctx->opcode));
5035 } else {
5036 /* Privilege exception */
5037 qemu_log_mask(LOG_GUEST_ERROR, "Trying to write privileged spr "
5038 "%d (0x%03x) at " TARGET_FMT_lx "\n", sprn, sprn,
5039 ctx->cia);
5040 gen_priv_exception(ctx, POWERPC_EXCP_PRIV_REG);
5041 }
5042 } else {
5043 /* ISA 2.07 defines these as no-ops */
5044 if ((ctx->insns_flags2 & PPC2_ISA207S) &&
5045 (sprn >= 808 && sprn <= 811)) {
5046 /* This is a nop */
5047 return;
5048 }
5049
5050 /* Not defined */
5051 qemu_log_mask(LOG_GUEST_ERROR,
5052 "Trying to write invalid spr %d (0x%03x) at "
5053 TARGET_FMT_lx "\n", sprn, sprn, ctx->cia);
5054
5055
5056 /*
5057 * The behaviour depends on MSR:PR and SPR# bit 0x10, it can
5058 * generate a priv, a hv emu or a no-op
5059 */
5060 if (sprn & 0x10) {
5061 if (ctx->pr) {
5062 gen_priv_exception(ctx, POWERPC_EXCP_INVAL_SPR);
5063 }
5064 } else {
5065 if (ctx->pr || sprn == 0) {
5066 gen_hvpriv_exception(ctx, POWERPC_EXCP_INVAL_SPR);
5067 }
5068 }
5069 }
5070 }
5071
5072 #if defined(TARGET_PPC64)
5073 /* setb */
5074 static void gen_setb(DisasContext *ctx)
5075 {
5076 TCGv_i32 t0 = tcg_temp_new_i32();
5077 TCGv_i32 t8 = tcg_temp_new_i32();
5078 TCGv_i32 tm1 = tcg_temp_new_i32();
5079 int crf = crfS(ctx->opcode);
5080
5081 tcg_gen_setcondi_i32(TCG_COND_GEU, t0, cpu_crf[crf], 4);
5082 tcg_gen_movi_i32(t8, 8);
5083 tcg_gen_movi_i32(tm1, -1);
5084 tcg_gen_movcond_i32(TCG_COND_GEU, t0, cpu_crf[crf], t8, tm1, t0);
5085 tcg_gen_ext_i32_tl(cpu_gpr[rD(ctx->opcode)], t0);
5086
5087 tcg_temp_free_i32(t0);
5088 tcg_temp_free_i32(t8);
5089 tcg_temp_free_i32(tm1);
5090 }
5091 #endif
5092
5093 /*** Cache management ***/
5094
5095 /* dcbf */
5096 static void gen_dcbf(DisasContext *ctx)
5097 {
5098 /* XXX: specification says this is treated as a load by the MMU */
5099 TCGv t0;
5100 gen_set_access_type(ctx, ACCESS_CACHE);
5101 t0 = tcg_temp_new();
5102 gen_addr_reg_index(ctx, t0);
5103 gen_qemu_ld8u(ctx, t0, t0);
5104 tcg_temp_free(t0);
5105 }
5106
5107 /* dcbfep (external PID dcbf) */
5108 static void gen_dcbfep(DisasContext *ctx)
5109 {
5110 /* XXX: specification says this is treated as a load by the MMU */
5111 TCGv t0;
5112 CHK_SV;
5113 gen_set_access_type(ctx, ACCESS_CACHE);
5114 t0 = tcg_temp_new();
5115 gen_addr_reg_index(ctx, t0);
5116 tcg_gen_qemu_ld_tl(t0, t0, PPC_TLB_EPID_LOAD, DEF_MEMOP(MO_UB));
5117 tcg_temp_free(t0);
5118 }
5119
5120 /* dcbi (Supervisor only) */
5121 static void gen_dcbi(DisasContext *ctx)
5122 {
5123 #if defined(CONFIG_USER_ONLY)
5124 GEN_PRIV;
5125 #else
5126 TCGv EA, val;
5127
5128 CHK_SV;
5129 EA = tcg_temp_new();
5130 gen_set_access_type(ctx, ACCESS_CACHE);
5131 gen_addr_reg_index(ctx, EA);
5132 val = tcg_temp_new();
5133 /* XXX: specification says this should be treated as a store by the MMU */
5134 gen_qemu_ld8u(ctx, val, EA);
5135 gen_qemu_st8(ctx, val, EA);
5136 tcg_temp_free(val);
5137 tcg_temp_free(EA);
5138 #endif /* defined(CONFIG_USER_ONLY) */
5139 }
5140
5141 /* dcdst */
5142 static void gen_dcbst(DisasContext *ctx)
5143 {
5144 /* XXX: specification say this is treated as a load by the MMU */
5145 TCGv t0;
5146 gen_set_access_type(ctx, ACCESS_CACHE);
5147 t0 = tcg_temp_new();
5148 gen_addr_reg_index(ctx, t0);
5149 gen_qemu_ld8u(ctx, t0, t0);
5150 tcg_temp_free(t0);
5151 }
5152
5153 /* dcbstep (dcbstep External PID version) */
5154 static void gen_dcbstep(DisasContext *ctx)
5155 {
5156 /* XXX: specification say this is treated as a load by the MMU */
5157 TCGv t0;
5158 gen_set_access_type(ctx, ACCESS_CACHE);
5159 t0 = tcg_temp_new();
5160 gen_addr_reg_index(ctx, t0);
5161 tcg_gen_qemu_ld_tl(t0, t0, PPC_TLB_EPID_LOAD, DEF_MEMOP(MO_UB));
5162 tcg_temp_free(t0);
5163 }
5164
5165 /* dcbt */
5166 static void gen_dcbt(DisasContext *ctx)
5167 {
5168 /*
5169 * interpreted as no-op
5170 * XXX: specification say this is treated as a load by the MMU but
5171 * does not generate any exception
5172 */
5173 }
5174
5175 /* dcbtep */
5176 static void gen_dcbtep(DisasContext *ctx)
5177 {
5178 /*
5179 * interpreted as no-op
5180 * XXX: specification say this is treated as a load by the MMU but
5181 * does not generate any exception
5182 */
5183 }
5184
5185 /* dcbtst */
5186 static void gen_dcbtst(DisasContext *ctx)
5187 {
5188 /*
5189 * interpreted as no-op
5190 * XXX: specification say this is treated as a load by the MMU but
5191 * does not generate any exception
5192 */
5193 }
5194
5195 /* dcbtstep */
5196 static void gen_dcbtstep(DisasContext *ctx)
5197 {
5198 /*
5199 * interpreted as no-op
5200 * XXX: specification say this is treated as a load by the MMU but
5201 * does not generate any exception
5202 */
5203 }
5204
5205 /* dcbtls */
5206 static void gen_dcbtls(DisasContext *ctx)
5207 {
5208 /* Always fails locking the cache */
5209 TCGv t0 = tcg_temp_new();
5210 gen_load_spr(t0, SPR_Exxx_L1CSR0);
5211 tcg_gen_ori_tl(t0, t0, L1CSR0_CUL);
5212 gen_store_spr(SPR_Exxx_L1CSR0, t0);
5213 tcg_temp_free(t0);
5214 }
5215
5216 /* dcbz */
5217 static void gen_dcbz(DisasContext *ctx)
5218 {
5219 TCGv tcgv_addr;
5220 TCGv_i32 tcgv_op;
5221
5222 gen_set_access_type(ctx, ACCESS_CACHE);
5223 tcgv_addr = tcg_temp_new();
5224 tcgv_op = tcg_const_i32(ctx->opcode & 0x03FF000);
5225 gen_addr_reg_index(ctx, tcgv_addr);
5226 gen_helper_dcbz(cpu_env, tcgv_addr, tcgv_op);
5227 tcg_temp_free(tcgv_addr);
5228 tcg_temp_free_i32(tcgv_op);
5229 }
5230
5231 /* dcbzep */
5232 static void gen_dcbzep(DisasContext *ctx)
5233 {
5234 TCGv tcgv_addr;
5235 TCGv_i32 tcgv_op;
5236
5237 gen_set_access_type(ctx, ACCESS_CACHE);
5238 tcgv_addr = tcg_temp_new();
5239 tcgv_op = tcg_const_i32(ctx->opcode & 0x03FF000);
5240 gen_addr_reg_index(ctx, tcgv_addr);
5241 gen_helper_dcbzep(cpu_env, tcgv_addr, tcgv_op);
5242 tcg_temp_free(tcgv_addr);
5243 tcg_temp_free_i32(tcgv_op);
5244 }
5245
5246 /* dst / dstt */
5247 static void gen_dst(DisasContext *ctx)
5248 {
5249 if (rA(ctx->opcode) == 0) {
5250 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
5251 } else {
5252 /* interpreted as no-op */
5253 }
5254 }
5255
5256 /* dstst /dststt */
5257 static void gen_dstst(DisasContext *ctx)
5258 {
5259 if (rA(ctx->opcode) == 0) {
5260 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
5261 } else {
5262 /* interpreted as no-op */
5263 }
5264
5265 }
5266
5267 /* dss / dssall */
5268 static void gen_dss(DisasContext *ctx)
5269 {
5270 /* interpreted as no-op */
5271 }
5272
5273 /* icbi */
5274 static void gen_icbi(DisasContext *ctx)
5275 {
5276 TCGv t0;
5277 gen_set_access_type(ctx, ACCESS_CACHE);
5278 t0 = tcg_temp_new();
5279 gen_addr_reg_index(ctx, t0);
5280 gen_helper_icbi(cpu_env, t0);
5281 tcg_temp_free(t0);
5282 }
5283
5284 /* icbiep */
5285 static void gen_icbiep(DisasContext *ctx)
5286 {
5287 TCGv t0;
5288 gen_set_access_type(ctx, ACCESS_CACHE);
5289 t0 = tcg_temp_new();
5290 gen_addr_reg_index(ctx, t0);
5291 gen_helper_icbiep(cpu_env, t0);
5292 tcg_temp_free(t0);
5293 }
5294
5295 /* Optional: */
5296 /* dcba */
5297 static void gen_dcba(DisasContext *ctx)
5298 {
5299 /*
5300 * interpreted as no-op
5301 * XXX: specification say this is treated as a store by the MMU
5302 * but does not generate any exception
5303 */
5304 }
5305
5306 /*** Segment register manipulation ***/
5307 /* Supervisor only: */
5308
5309 /* mfsr */
5310 static void gen_mfsr(DisasContext *ctx)
5311 {
5312 #if defined(CONFIG_USER_ONLY)
5313 GEN_PRIV;
5314 #else
5315 TCGv t0;
5316
5317 CHK_SV;
5318 t0 = tcg_const_tl(SR(ctx->opcode));
5319 gen_helper_load_sr(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
5320 tcg_temp_free(t0);
5321 #endif /* defined(CONFIG_USER_ONLY) */
5322 }
5323
5324 /* mfsrin */
5325 static void gen_mfsrin(DisasContext *ctx)
5326 {
5327 #if defined(CONFIG_USER_ONLY)
5328 GEN_PRIV;
5329 #else
5330 TCGv t0;
5331
5332 CHK_SV;
5333 t0 = tcg_temp_new();
5334 tcg_gen_extract_tl(t0, cpu_gpr[rB(ctx->opcode)], 28, 4);
5335 gen_helper_load_sr(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
5336 tcg_temp_free(t0);
5337 #endif /* defined(CONFIG_USER_ONLY) */
5338 }
5339
5340 /* mtsr */
5341 static void gen_mtsr(DisasContext *ctx)
5342 {
5343 #if defined(CONFIG_USER_ONLY)
5344 GEN_PRIV;
5345 #else
5346 TCGv t0;
5347
5348 CHK_SV;
5349 t0 = tcg_const_tl(SR(ctx->opcode));
5350 gen_helper_store_sr(cpu_env, t0, cpu_gpr[rS(ctx->opcode)]);
5351 tcg_temp_free(t0);
5352 #endif /* defined(CONFIG_USER_ONLY) */
5353 }
5354
5355 /* mtsrin */
5356 static void gen_mtsrin(DisasContext *ctx)
5357 {
5358 #if defined(CONFIG_USER_ONLY)
5359 GEN_PRIV;
5360 #else
5361 TCGv t0;
5362 CHK_SV;
5363
5364 t0 = tcg_temp_new();
5365 tcg_gen_extract_tl(t0, cpu_gpr[rB(ctx->opcode)], 28, 4);
5366 gen_helper_store_sr(cpu_env, t0, cpu_gpr[rD(ctx->opcode)]);
5367 tcg_temp_free(t0);
5368 #endif /* defined(CONFIG_USER_ONLY) */
5369 }
5370
5371 #if defined(TARGET_PPC64)
5372 /* Specific implementation for PowerPC 64 "bridge" emulation using SLB */
5373
5374 /* mfsr */
5375 static void gen_mfsr_64b(DisasContext *ctx)
5376 {
5377 #if defined(CONFIG_USER_ONLY)
5378 GEN_PRIV;
5379 #else
5380 TCGv t0;
5381
5382 CHK_SV;
5383 t0 = tcg_const_tl(SR(ctx->opcode));
5384 gen_helper_load_sr(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
5385 tcg_temp_free(t0);
5386 #endif /* defined(CONFIG_USER_ONLY) */
5387 }
5388
5389 /* mfsrin */
5390 static void gen_mfsrin_64b(DisasContext *ctx)
5391 {
5392 #if defined(CONFIG_USER_ONLY)
5393 GEN_PRIV;
5394 #else
5395 TCGv t0;
5396
5397 CHK_SV;
5398 t0 = tcg_temp_new();
5399 tcg_gen_extract_tl(t0, cpu_gpr[rB(ctx->opcode)], 28, 4);
5400 gen_helper_load_sr(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
5401 tcg_temp_free(t0);
5402 #endif /* defined(CONFIG_USER_ONLY) */
5403 }
5404
5405 /* mtsr */
5406 static void gen_mtsr_64b(DisasContext *ctx)
5407 {
5408 #if defined(CONFIG_USER_ONLY)
5409 GEN_PRIV;
5410 #else
5411 TCGv t0;
5412
5413 CHK_SV;
5414 t0 = tcg_const_tl(SR(ctx->opcode));
5415 gen_helper_store_sr(cpu_env, t0, cpu_gpr[rS(ctx->opcode)]);
5416 tcg_temp_free(t0);
5417 #endif /* defined(CONFIG_USER_ONLY) */
5418 }
5419
5420 /* mtsrin */
5421 static void gen_mtsrin_64b(DisasContext *ctx)
5422 {
5423 #if defined(CONFIG_USER_ONLY)
5424 GEN_PRIV;
5425 #else
5426 TCGv t0;
5427
5428 CHK_SV;
5429 t0 = tcg_temp_new();
5430 tcg_gen_extract_tl(t0, cpu_gpr[rB(ctx->opcode)], 28, 4);
5431 gen_helper_store_sr(cpu_env, t0, cpu_gpr[rS(ctx->opcode)]);
5432 tcg_temp_free(t0);
5433 #endif /* defined(CONFIG_USER_ONLY) */
5434 }
5435
5436 /* slbmte */
5437 static void gen_slbmte(DisasContext *ctx)
5438 {
5439 #if defined(CONFIG_USER_ONLY)
5440 GEN_PRIV;
5441 #else
5442 CHK_SV;
5443
5444 gen_helper_store_slb(cpu_env, cpu_gpr[rB(ctx->opcode)],
5445 cpu_gpr[rS(ctx->opcode)]);
5446 #endif /* defined(CONFIG_USER_ONLY) */
5447 }
5448
5449 static void gen_slbmfee(DisasContext *ctx)
5450 {
5451 #if defined(CONFIG_USER_ONLY)
5452 GEN_PRIV;
5453 #else
5454 CHK_SV;
5455
5456 gen_helper_load_slb_esid(cpu_gpr[rS(ctx->opcode)], cpu_env,
5457 cpu_gpr[rB(ctx->opcode)]);
5458 #endif /* defined(CONFIG_USER_ONLY) */
5459 }
5460
5461 static void gen_slbmfev(DisasContext *ctx)
5462 {
5463 #if defined(CONFIG_USER_ONLY)
5464 GEN_PRIV;
5465 #else
5466 CHK_SV;
5467
5468 gen_helper_load_slb_vsid(cpu_gpr[rS(ctx->opcode)], cpu_env,
5469 cpu_gpr[rB(ctx->opcode)]);
5470 #endif /* defined(CONFIG_USER_ONLY) */
5471 }
5472
5473 static void gen_slbfee_(DisasContext *ctx)
5474 {
5475 #if defined(CONFIG_USER_ONLY)
5476 gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG);
5477 #else
5478 TCGLabel *l1, *l2;
5479
5480 if (unlikely(ctx->pr)) {
5481 gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG);
5482 return;
5483 }
5484 gen_helper_find_slb_vsid(cpu_gpr[rS(ctx->opcode)], cpu_env,
5485 cpu_gpr[rB(ctx->opcode)]);
5486 l1 = gen_new_label();
5487 l2 = gen_new_label();
5488 tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so);
5489 tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[rS(ctx->opcode)], -1, l1);
5490 tcg_gen_ori_i32(cpu_crf[0], cpu_crf[0], CRF_EQ);
5491 tcg_gen_br(l2);
5492 gen_set_label(l1);
5493 tcg_gen_movi_tl(cpu_gpr[rS(ctx->opcode)], 0);
5494 gen_set_label(l2);
5495 #endif
5496 }
5497 #endif /* defined(TARGET_PPC64) */
5498
5499 /*** Lookaside buffer management ***/
5500 /* Optional & supervisor only: */
5501
5502 /* tlbia */
5503 static void gen_tlbia(DisasContext *ctx)
5504 {
5505 #if defined(CONFIG_USER_ONLY)
5506 GEN_PRIV;
5507 #else
5508 CHK_HV;
5509
5510 gen_helper_tlbia(cpu_env);
5511 #endif /* defined(CONFIG_USER_ONLY) */
5512 }
5513
5514 /* tlbiel */
5515 static void gen_tlbiel(DisasContext *ctx)
5516 {
5517 #if defined(CONFIG_USER_ONLY)
5518 GEN_PRIV;
5519 #else
5520 bool psr = (ctx->opcode >> 17) & 0x1;
5521
5522 if (ctx->pr || (!ctx->hv && !psr && ctx->hr)) {
5523 /*
5524 * tlbiel is privileged except when PSR=0 and HR=1, making it
5525 * hypervisor privileged.
5526 */
5527 GEN_PRIV;
5528 }
5529
5530 gen_helper_tlbie(cpu_env, cpu_gpr[rB(ctx->opcode)]);
5531 #endif /* defined(CONFIG_USER_ONLY) */
5532 }
5533
5534 /* tlbie */
5535 static void gen_tlbie(DisasContext *ctx)
5536 {
5537 #if defined(CONFIG_USER_ONLY)
5538 GEN_PRIV;
5539 #else
5540 bool psr = (ctx->opcode >> 17) & 0x1;
5541 TCGv_i32 t1;
5542
5543 if (ctx->pr) {
5544 /* tlbie is privileged... */
5545 GEN_PRIV;
5546 } else if (!ctx->hv) {
5547 if (!ctx->gtse || (!psr && ctx->hr)) {
5548 /*
5549 * ... except when GTSE=0 or when PSR=0 and HR=1, making it
5550 * hypervisor privileged.
5551 */
5552 GEN_PRIV;
5553 }
5554 }
5555
5556 if (NARROW_MODE(ctx)) {
5557 TCGv t0 = tcg_temp_new();
5558 tcg_gen_ext32u_tl(t0, cpu_gpr[rB(ctx->opcode)]);
5559 gen_helper_tlbie(cpu_env, t0);
5560 tcg_temp_free(t0);
5561 } else {
5562 gen_helper_tlbie(cpu_env, cpu_gpr[rB(ctx->opcode)]);
5563 }
5564 t1 = tcg_temp_new_i32();
5565 tcg_gen_ld_i32(t1, cpu_env, offsetof(CPUPPCState, tlb_need_flush));
5566 tcg_gen_ori_i32(t1, t1, TLB_NEED_GLOBAL_FLUSH);
5567 tcg_gen_st_i32(t1, cpu_env, offsetof(CPUPPCState, tlb_need_flush));
5568 tcg_temp_free_i32(t1);
5569 #endif /* defined(CONFIG_USER_ONLY) */
5570 }
5571
5572 /* tlbsync */
5573 static void gen_tlbsync(DisasContext *ctx)
5574 {
5575 #if defined(CONFIG_USER_ONLY)
5576 GEN_PRIV;
5577 #else
5578
5579 if (ctx->gtse) {
5580 CHK_SV; /* If gtse is set then tlbsync is supervisor privileged */
5581 } else {
5582 CHK_HV; /* Else hypervisor privileged */
5583 }
5584
5585 /* BookS does both ptesync and tlbsync make tlbsync a nop for server */
5586 if (ctx->insns_flags & PPC_BOOKE) {
5587 gen_check_tlb_flush(ctx, true);
5588 }
5589 #endif /* defined(CONFIG_USER_ONLY) */
5590 }
5591
5592 #if defined(TARGET_PPC64)
5593 /* slbia */
5594 static void gen_slbia(DisasContext *ctx)
5595 {
5596 #if defined(CONFIG_USER_ONLY)
5597 GEN_PRIV;
5598 #else
5599 uint32_t ih = (ctx->opcode >> 21) & 0x7;
5600 TCGv_i32 t0 = tcg_const_i32(ih);
5601
5602 CHK_SV;
5603
5604 gen_helper_slbia(cpu_env, t0);
5605 tcg_temp_free_i32(t0);
5606 #endif /* defined(CONFIG_USER_ONLY) */
5607 }
5608
5609 /* slbie */
5610 static void gen_slbie(DisasContext *ctx)
5611 {
5612 #if defined(CONFIG_USER_ONLY)
5613 GEN_PRIV;
5614 #else
5615 CHK_SV;
5616
5617 gen_helper_slbie(cpu_env, cpu_gpr[rB(ctx->opcode)]);
5618 #endif /* defined(CONFIG_USER_ONLY) */
5619 }
5620
5621 /* slbieg */
5622 static void gen_slbieg(DisasContext *ctx)
5623 {
5624 #if defined(CONFIG_USER_ONLY)
5625 GEN_PRIV;
5626 #else
5627 CHK_SV;
5628
5629 gen_helper_slbieg(cpu_env, cpu_gpr[rB(ctx->opcode)]);
5630 #endif /* defined(CONFIG_USER_ONLY) */
5631 }
5632
5633 /* slbsync */
5634 static void gen_slbsync(DisasContext *ctx)
5635 {
5636 #if defined(CONFIG_USER_ONLY)
5637 GEN_PRIV;
5638 #else
5639 CHK_SV;
5640 gen_check_tlb_flush(ctx, true);
5641 #endif /* defined(CONFIG_USER_ONLY) */
5642 }
5643
5644 #endif /* defined(TARGET_PPC64) */
5645
5646 /*** External control ***/
5647 /* Optional: */
5648
5649 /* eciwx */
5650 static void gen_eciwx(DisasContext *ctx)
5651 {
5652 TCGv t0;
5653 /* Should check EAR[E] ! */
5654 gen_set_access_type(ctx, ACCESS_EXT);
5655 t0 = tcg_temp_new();
5656 gen_addr_reg_index(ctx, t0);
5657 tcg_gen_qemu_ld_tl(cpu_gpr[rD(ctx->opcode)], t0, ctx->mem_idx,
5658 DEF_MEMOP(MO_UL | MO_ALIGN));
5659 tcg_temp_free(t0);
5660 }
5661
5662 /* ecowx */
5663 static void gen_ecowx(DisasContext *ctx)
5664 {
5665 TCGv t0;
5666 /* Should check EAR[E] ! */
5667 gen_set_access_type(ctx, ACCESS_EXT);
5668 t0 = tcg_temp_new();
5669 gen_addr_reg_index(ctx, t0);
5670 tcg_gen_qemu_st_tl(cpu_gpr[rD(ctx->opcode)], t0, ctx->mem_idx,
5671 DEF_MEMOP(MO_UL | MO_ALIGN));
5672 tcg_temp_free(t0);
5673 }
5674
5675 /* PowerPC 601 specific instructions */
5676
5677 /* abs - abs. */
5678 static void gen_abs(DisasContext *ctx)
5679 {
5680 TCGv d = cpu_gpr[rD(ctx->opcode)];
5681 TCGv a = cpu_gpr[rA(ctx->opcode)];
5682
5683 tcg_gen_abs_tl(d, a);
5684 if (unlikely(Rc(ctx->opcode) != 0)) {
5685 gen_set_Rc0(ctx, d);
5686 }
5687 }
5688
5689 /* abso - abso. */
5690 static void gen_abso(DisasContext *ctx)
5691 {
5692 TCGv d = cpu_gpr[rD(ctx->opcode)];
5693 TCGv a = cpu_gpr[rA(ctx->opcode)];
5694
5695 tcg_gen_setcondi_tl(TCG_COND_EQ, cpu_ov, a, 0x80000000);
5696 tcg_gen_abs_tl(d, a);
5697 tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov);
5698 if (unlikely(Rc(ctx->opcode) != 0)) {
5699 gen_set_Rc0(ctx, d);
5700 }
5701 }
5702
5703 /* clcs */
5704 static void gen_clcs(DisasContext *ctx)
5705 {
5706 TCGv_i32 t0 = tcg_const_i32(rA(ctx->opcode));
5707 gen_helper_clcs(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
5708 tcg_temp_free_i32(t0);
5709 /* Rc=1 sets CR0 to an undefined state */
5710 }
5711
5712 /* div - div. */
5713 static void gen_div(DisasContext *ctx)
5714 {
5715 gen_helper_div(cpu_gpr[rD(ctx->opcode)], cpu_env, cpu_gpr[rA(ctx->opcode)],
5716 cpu_gpr[rB(ctx->opcode)]);
5717 if (unlikely(Rc(ctx->opcode) != 0)) {
5718 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
5719 }
5720 }
5721
5722 /* divo - divo. */
5723 static void gen_divo(DisasContext *ctx)
5724 {
5725 gen_helper_divo(cpu_gpr[rD(ctx->opcode)], cpu_env, cpu_gpr[rA(ctx->opcode)],
5726 cpu_gpr[rB(ctx->opcode)]);
5727 if (unlikely(Rc(ctx->opcode) != 0)) {
5728 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
5729 }
5730 }
5731
5732 /* divs - divs. */
5733 static void gen_divs(DisasContext *ctx)
5734 {
5735 gen_helper_divs(cpu_gpr[rD(ctx->opcode)], cpu_env, cpu_gpr[rA(ctx->opcode)],
5736 cpu_gpr[rB(ctx->opcode)]);
5737 if (unlikely(Rc(ctx->opcode) != 0)) {
5738 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
5739 }
5740 }
5741
5742 /* divso - divso. */
5743 static void gen_divso(DisasContext *ctx)
5744 {
5745 gen_helper_divso(cpu_gpr[rD(ctx->opcode)], cpu_env,
5746 cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
5747 if (unlikely(Rc(ctx->opcode) != 0)) {
5748 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
5749 }
5750 }
5751
5752 /* doz - doz. */
5753 static void gen_doz(DisasContext *ctx)
5754 {
5755 TCGLabel *l1 = gen_new_label();
5756 TCGLabel *l2 = gen_new_label();
5757 tcg_gen_brcond_tl(TCG_COND_GE, cpu_gpr[rB(ctx->opcode)],
5758 cpu_gpr[rA(ctx->opcode)], l1);
5759 tcg_gen_sub_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],
5760 cpu_gpr[rA(ctx->opcode)]);
5761 tcg_gen_br(l2);
5762 gen_set_label(l1);
5763 tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], 0);
5764 gen_set_label(l2);
5765 if (unlikely(Rc(ctx->opcode) != 0)) {
5766 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
5767 }
5768 }
5769
5770 /* dozo - dozo. */
5771 static void gen_dozo(DisasContext *ctx)
5772 {
5773 TCGLabel *l1 = gen_new_label();
5774 TCGLabel *l2 = gen_new_label();
5775 TCGv t0 = tcg_temp_new();
5776 TCGv t1 = tcg_temp_new();
5777 TCGv t2 = tcg_temp_new();
5778 /* Start with XER OV disabled, the most likely case */
5779 tcg_gen_movi_tl(cpu_ov, 0);
5780 tcg_gen_brcond_tl(TCG_COND_GE, cpu_gpr[rB(ctx->opcode)],
5781 cpu_gpr[rA(ctx->opcode)], l1);
5782 tcg_gen_sub_tl(t0, cpu_gpr[rB(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
5783 tcg_gen_xor_tl(t1, cpu_gpr[rB(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
5784 tcg_gen_xor_tl(t2, cpu_gpr[rA(ctx->opcode)], t0);
5785 tcg_gen_andc_tl(t1, t1, t2);
5786 tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], t0);
5787 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l2);
5788 tcg_gen_movi_tl(cpu_ov, 1);
5789 tcg_gen_movi_tl(cpu_so, 1);
5790 tcg_gen_br(l2);
5791 gen_set_label(l1);
5792 tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], 0);
5793 gen_set_label(l2);
5794 tcg_temp_free(t0);
5795 tcg_temp_free(t1);
5796 tcg_temp_free(t2);
5797 if (unlikely(Rc(ctx->opcode) != 0)) {
5798 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
5799 }
5800 }
5801
5802 /* dozi */
5803 static void gen_dozi(DisasContext *ctx)
5804 {
5805 target_long simm = SIMM(ctx->opcode);
5806 TCGLabel *l1 = gen_new_label();
5807 TCGLabel *l2 = gen_new_label();
5808 tcg_gen_brcondi_tl(TCG_COND_LT, cpu_gpr[rA(ctx->opcode)], simm, l1);
5809 tcg_gen_subfi_tl(cpu_gpr[rD(ctx->opcode)], simm, cpu_gpr[rA(ctx->opcode)]);
5810 tcg_gen_br(l2);
5811 gen_set_label(l1);
5812 tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], 0);
5813 gen_set_label(l2);
5814 if (unlikely(Rc(ctx->opcode) != 0)) {
5815 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
5816 }
5817 }
5818
5819 /* lscbx - lscbx. */
5820 static void gen_lscbx(DisasContext *ctx)
5821 {
5822 TCGv t0 = tcg_temp_new();
5823 TCGv_i32 t1 = tcg_const_i32(rD(ctx->opcode));
5824 TCGv_i32 t2 = tcg_const_i32(rA(ctx->opcode));
5825 TCGv_i32 t3 = tcg_const_i32(rB(ctx->opcode));
5826
5827 gen_addr_reg_index(ctx, t0);
5828 gen_helper_lscbx(t0, cpu_env, t0, t1, t2, t3);
5829 tcg_temp_free_i32(t1);
5830 tcg_temp_free_i32(t2);
5831 tcg_temp_free_i32(t3);
5832 tcg_gen_andi_tl(cpu_xer, cpu_xer, ~0x7F);
5833 tcg_gen_or_tl(cpu_xer, cpu_xer, t0);
5834 if (unlikely(Rc(ctx->opcode) != 0)) {
5835 gen_set_Rc0(ctx, t0);
5836 }
5837 tcg_temp_free(t0);
5838 }
5839
5840 /* maskg - maskg. */
5841 static void gen_maskg(DisasContext *ctx)
5842 {
5843 TCGLabel *l1 = gen_new_label();
5844 TCGv t0 = tcg_temp_new();
5845 TCGv t1 = tcg_temp_new();
5846 TCGv t2 = tcg_temp_new();
5847 TCGv t3 = tcg_temp_new();
5848 tcg_gen_movi_tl(t3, 0xFFFFFFFF);
5849 tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F);
5850 tcg_gen_andi_tl(t1, cpu_gpr[rS(ctx->opcode)], 0x1F);
5851 tcg_gen_addi_tl(t2, t0, 1);
5852 tcg_gen_shr_tl(t2, t3, t2);
5853 tcg_gen_shr_tl(t3, t3, t1);
5854 tcg_gen_xor_tl(cpu_gpr[rA(ctx->opcode)], t2, t3);
5855 tcg_gen_brcond_tl(TCG_COND_GE, t0, t1, l1);
5856 tcg_gen_neg_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
5857 gen_set_label(l1);
5858 tcg_temp_free(t0);
5859 tcg_temp_free(t1);
5860 tcg_temp_free(t2);
5861 tcg_temp_free(t3);
5862 if (unlikely(Rc(ctx->opcode) != 0)) {
5863 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5864 }
5865 }
5866
5867 /* maskir - maskir. */
5868 static void gen_maskir(DisasContext *ctx)
5869 {
5870 TCGv t0 = tcg_temp_new();
5871 TCGv t1 = tcg_temp_new();
5872 tcg_gen_and_tl(t0, cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
5873 tcg_gen_andc_tl(t1, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
5874 tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
5875 tcg_temp_free(t0);
5876 tcg_temp_free(t1);
5877 if (unlikely(Rc(ctx->opcode) != 0)) {
5878 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5879 }
5880 }
5881
5882 /* mul - mul. */
5883 static void gen_mul(DisasContext *ctx)
5884 {
5885 TCGv_i64 t0 = tcg_temp_new_i64();
5886 TCGv_i64 t1 = tcg_temp_new_i64();
5887 TCGv t2 = tcg_temp_new();
5888 tcg_gen_extu_tl_i64(t0, cpu_gpr[rA(ctx->opcode)]);
5889 tcg_gen_extu_tl_i64(t1, cpu_gpr[rB(ctx->opcode)]);
5890 tcg_gen_mul_i64(t0, t0, t1);
5891 tcg_gen_trunc_i64_tl(t2, t0);
5892 gen_store_spr(SPR_MQ, t2);
5893 tcg_gen_shri_i64(t1, t0, 32);
5894 tcg_gen_trunc_i64_tl(cpu_gpr[rD(ctx->opcode)], t1);
5895 tcg_temp_free_i64(t0);
5896 tcg_temp_free_i64(t1);
5897 tcg_temp_free(t2);
5898 if (unlikely(Rc(ctx->opcode) != 0)) {
5899 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
5900 }
5901 }
5902
5903 /* mulo - mulo. */
5904 static void gen_mulo(DisasContext *ctx)
5905 {
5906 TCGLabel *l1 = gen_new_label();
5907 TCGv_i64 t0 = tcg_temp_new_i64();
5908 TCGv_i64 t1 = tcg_temp_new_i64();
5909 TCGv t2 = tcg_temp_new();
5910 /* Start with XER OV disabled, the most likely case */
5911 tcg_gen_movi_tl(cpu_ov, 0);
5912 tcg_gen_extu_tl_i64(t0, cpu_gpr[rA(ctx->opcode)]);
5913 tcg_gen_extu_tl_i64(t1, cpu_gpr[rB(ctx->opcode)]);
5914 tcg_gen_mul_i64(t0, t0, t1);
5915 tcg_gen_trunc_i64_tl(t2, t0);
5916 gen_store_spr(SPR_MQ, t2);
5917 tcg_gen_shri_i64(t1, t0, 32);
5918 tcg_gen_trunc_i64_tl(cpu_gpr[rD(ctx->opcode)], t1);
5919 tcg_gen_ext32s_i64(t1, t0);
5920 tcg_gen_brcond_i64(TCG_COND_EQ, t0, t1, l1);
5921 tcg_gen_movi_tl(cpu_ov, 1);
5922 tcg_gen_movi_tl(cpu_so, 1);
5923 gen_set_label(l1);
5924 tcg_temp_free_i64(t0);
5925 tcg_temp_free_i64(t1);
5926 tcg_temp_free(t2);
5927 if (unlikely(Rc(ctx->opcode) != 0)) {
5928 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
5929 }
5930 }
5931
5932 /* nabs - nabs. */
5933 static void gen_nabs(DisasContext *ctx)
5934 {
5935 TCGv d = cpu_gpr[rD(ctx->opcode)];
5936 TCGv a = cpu_gpr[rA(ctx->opcode)];
5937
5938 tcg_gen_abs_tl(d, a);
5939 tcg_gen_neg_tl(d, d);
5940 if (unlikely(Rc(ctx->opcode) != 0)) {
5941 gen_set_Rc0(ctx, d);
5942 }
5943 }
5944
5945 /* nabso - nabso. */
5946 static void gen_nabso(DisasContext *ctx)
5947 {
5948 TCGv d = cpu_gpr[rD(ctx->opcode)];
5949 TCGv a = cpu_gpr[rA(ctx->opcode)];
5950
5951 tcg_gen_abs_tl(d, a);
5952 tcg_gen_neg_tl(d, d);
5953 /* nabs never overflows */
5954 tcg_gen_movi_tl(cpu_ov, 0);
5955 if (unlikely(Rc(ctx->opcode) != 0)) {
5956 gen_set_Rc0(ctx, d);
5957 }
5958 }
5959
5960 /* rlmi - rlmi. */
5961 static void gen_rlmi(DisasContext *ctx)
5962 {
5963 uint32_t mb = MB(ctx->opcode);
5964 uint32_t me = ME(ctx->opcode);
5965 TCGv t0 = tcg_temp_new();
5966 tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F);
5967 tcg_gen_rotl_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
5968 tcg_gen_andi_tl(t0, t0, MASK(mb, me));
5969 tcg_gen_andi_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
5970 ~MASK(mb, me));
5971 tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], t0);
5972 tcg_temp_free(t0);
5973 if (unlikely(Rc(ctx->opcode) != 0)) {
5974 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5975 }
5976 }
5977
5978 /* rrib - rrib. */
5979 static void gen_rrib(DisasContext *ctx)
5980 {
5981 TCGv t0 = tcg_temp_new();
5982 TCGv t1 = tcg_temp_new();
5983 tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F);
5984 tcg_gen_movi_tl(t1, 0x80000000);
5985 tcg_gen_shr_tl(t1, t1, t0);
5986 tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
5987 tcg_gen_and_tl(t0, t0, t1);
5988 tcg_gen_andc_tl(t1, cpu_gpr[rA(ctx->opcode)], t1);
5989 tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
5990 tcg_temp_free(t0);
5991 tcg_temp_free(t1);
5992 if (unlikely(Rc(ctx->opcode) != 0)) {
5993 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5994 }
5995 }
5996
5997 /* sle - sle. */
5998 static void gen_sle(DisasContext *ctx)
5999 {
6000 TCGv t0 = tcg_temp_new();
6001 TCGv t1 = tcg_temp_new();
6002 tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F);
6003 tcg_gen_shl_tl(t0, cpu_gpr[rS(ctx->opcode)], t1);
6004 tcg_gen_subfi_tl(t1, 32, t1);
6005 tcg_gen_shr_tl(t1, cpu_gpr[rS(ctx->opcode)], t1);
6006 tcg_gen_or_tl(t1, t0, t1);
6007 tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
6008 gen_store_spr(SPR_MQ, t1);
6009 tcg_temp_free(t0);
6010 tcg_temp_free(t1);
6011 if (unlikely(Rc(ctx->opcode) != 0)) {
6012 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
6013 }
6014 }
6015
6016 /* sleq - sleq. */
6017 static void gen_sleq(DisasContext *ctx)
6018 {
6019 TCGv t0 = tcg_temp_new();
6020 TCGv t1 = tcg_temp_new();
6021 TCGv t2 = tcg_temp_new();
6022 tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F);
6023 tcg_gen_movi_tl(t2, 0xFFFFFFFF);
6024 tcg_gen_shl_tl(t2, t2, t0);
6025 tcg_gen_rotl_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
6026 gen_load_spr(t1, SPR_MQ);
6027 gen_store_spr(SPR_MQ, t0);
6028 tcg_gen_and_tl(t0, t0, t2);
6029 tcg_gen_andc_tl(t1, t1, t2);
6030 tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
6031 tcg_temp_free(t0);
6032 tcg_temp_free(t1);
6033 tcg_temp_free(t2);
6034 if (unlikely(Rc(ctx->opcode) != 0)) {
6035 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
6036 }
6037 }
6038
6039 /* sliq - sliq. */
6040 static void gen_sliq(DisasContext *ctx)
6041 {
6042 int sh = SH(ctx->opcode);
6043 TCGv t0 = tcg_temp_new();
6044 TCGv t1 = tcg_temp_new();
6045 tcg_gen_shli_tl(t0, cpu_gpr[rS(ctx->opcode)], sh);
6046 tcg_gen_shri_tl(t1, cpu_gpr[rS(ctx->opcode)], 32 - sh);
6047 tcg_gen_or_tl(t1, t0, t1);
6048 tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
6049 gen_store_spr(SPR_MQ, t1);
6050 tcg_temp_free(t0);
6051 tcg_temp_free(t1);
6052 if (unlikely(Rc(ctx->opcode) != 0)) {
6053 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
6054 }
6055 }
6056
6057 /* slliq - slliq. */
6058 static void gen_slliq(DisasContext *ctx)
6059 {
6060 int sh = SH(ctx->opcode);
6061 TCGv t0 = tcg_temp_new();
6062 TCGv t1 = tcg_temp_new();
6063 tcg_gen_rotli_tl(t0, cpu_gpr[rS(ctx->opcode)], sh);
6064 gen_load_spr(t1, SPR_MQ);
6065 gen_store_spr(SPR_MQ, t0);
6066 tcg_gen_andi_tl(t0, t0, (0xFFFFFFFFU << sh));
6067 tcg_gen_andi_tl(t1, t1, ~(0xFFFFFFFFU << sh));
6068 tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
6069 tcg_temp_free(t0);
6070 tcg_temp_free(t1);
6071 if (unlikely(Rc(ctx->opcode) != 0)) {
6072 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
6073 }
6074 }
6075
6076 /* sllq - sllq. */
6077 static void gen_sllq(DisasContext *ctx)
6078 {
6079 TCGLabel *l1 = gen_new_label();
6080 TCGLabel *l2 = gen_new_label();
6081 TCGv t0 = tcg_temp_local_new();
6082 TCGv t1 = tcg_temp_local_new();
6083 TCGv t2 = tcg_temp_local_new();
6084 tcg_gen_andi_tl(t2, cpu_gpr[rB(ctx->opcode)], 0x1F);
6085 tcg_gen_movi_tl(t1, 0xFFFFFFFF);
6086 tcg_gen_shl_tl(t1, t1, t2);
6087 tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x20);
6088 tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1);
6089 gen_load_spr(t0, SPR_MQ);
6090 tcg_gen_and_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
6091 tcg_gen_br(l2);
6092 gen_set_label(l1);
6093 tcg_gen_shl_tl(t0, cpu_gpr[rS(ctx->opcode)], t2);
6094 gen_load_spr(t2, SPR_MQ);
6095 tcg_gen_andc_tl(t1, t2, t1);
6096 tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
6097 gen_set_label(l2);
6098 tcg_temp_free(t0);
6099 tcg_temp_free(t1);
6100 tcg_temp_free(t2);
6101 if (unlikely(Rc(ctx->opcode) != 0)) {
6102 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
6103 }
6104 }
6105
6106 /* slq - slq. */
6107 static void gen_slq(DisasContext *ctx)
6108 {
6109 TCGLabel *l1 = gen_new_label();
6110 TCGv t0 = tcg_temp_new();
6111 TCGv t1 = tcg_temp_new();
6112 tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F);
6113 tcg_gen_shl_tl(t0, cpu_gpr[rS(ctx->opcode)], t1);
6114 tcg_gen_subfi_tl(t1, 32, t1);
6115 tcg_gen_shr_tl(t1, cpu_gpr[rS(ctx->opcode)], t1);
6116 tcg_gen_or_tl(t1, t0, t1);
6117 gen_store_spr(SPR_MQ, t1);
6118 tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x20);
6119 tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
6120 tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1);
6121 tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0);
6122 gen_set_label(l1);
6123 tcg_temp_free(t0);
6124 tcg_temp_free(t1);
6125 if (unlikely(Rc(ctx->opcode) != 0)) {
6126 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
6127 }
6128 }
6129
6130 /* sraiq - sraiq. */
6131 static void gen_sraiq(DisasContext *ctx)
6132 {
6133 int sh = SH(ctx->opcode);
6134 TCGLabel *l1 = gen_new_label();
6135 TCGv t0 = tcg_temp_new();
6136 TCGv t1 = tcg_temp_new();
6137 tcg_gen_shri_tl(t0, cpu_gpr[rS(ctx->opcode)], sh);
6138 tcg_gen_shli_tl(t1, cpu_gpr[rS(ctx->opcode)], 32 - sh);
6139 tcg_gen_or_tl(t0, t0, t1);
6140 gen_store_spr(SPR_MQ, t0);
6141 tcg_gen_movi_tl(cpu_ca, 0);
6142 tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1);
6143 tcg_gen_brcondi_tl(TCG_COND_GE, cpu_gpr[rS(ctx->opcode)], 0, l1);
6144 tcg_gen_movi_tl(cpu_ca, 1);
6145 gen_set_label(l1);
6146 tcg_gen_sari_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], sh);
6147 tcg_temp_free(t0);
6148 tcg_temp_free(t1);
6149 if (unlikely(Rc(ctx->opcode) != 0)) {
6150 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
6151 }
6152 }
6153
6154 /* sraq - sraq. */
6155 static void gen_sraq(DisasContext *ctx)
6156 {
6157 TCGLabel *l1 = gen_new_label();
6158 TCGLabel *l2 = gen_new_label();
6159 TCGv t0 = tcg_temp_new();
6160 TCGv t1 = tcg_temp_local_new();
6161 TCGv t2 = tcg_temp_local_new();
6162 tcg_gen_andi_tl(t2, cpu_gpr[rB(ctx->opcode)], 0x1F);
6163 tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t2);
6164 tcg_gen_sar_tl(t1, cpu_gpr[rS(ctx->opcode)], t2);
6165 tcg_gen_subfi_tl(t2, 32, t2);
6166 tcg_gen_shl_tl(t2, cpu_gpr[rS(ctx->opcode)], t2);
6167 tcg_gen_or_tl(t0, t0, t2);
6168 gen_store_spr(SPR_MQ, t0);
6169 tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x20);
6170 tcg_gen_brcondi_tl(TCG_COND_EQ, t2, 0, l1);
6171 tcg_gen_mov_tl(t2, cpu_gpr[rS(ctx->opcode)]);
6172 tcg_gen_sari_tl(t1, cpu_gpr[rS(ctx->opcode)], 31);
6173 gen_set_label(l1);
6174 tcg_temp_free(t0);
6175 tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t1);
6176 tcg_gen_movi_tl(cpu_ca, 0);
6177 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l2);
6178 tcg_gen_brcondi_tl(TCG_COND_EQ, t2, 0, l2);
6179 tcg_gen_movi_tl(cpu_ca, 1);
6180 gen_set_label(l2);
6181 tcg_temp_free(t1);
6182 tcg_temp_free(t2);
6183 if (unlikely(Rc(ctx->opcode) != 0)) {
6184 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
6185 }
6186 }
6187
6188 /* sre - sre. */
6189 static void gen_sre(DisasContext *ctx)
6190 {
6191 TCGv t0 = tcg_temp_new();
6192 TCGv t1 = tcg_temp_new();
6193 tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F);
6194 tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t1);
6195 tcg_gen_subfi_tl(t1, 32, t1);
6196 tcg_gen_shl_tl(t1, cpu_gpr[rS(ctx->opcode)], t1);
6197 tcg_gen_or_tl(t1, t0, t1);
6198 tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
6199 gen_store_spr(SPR_MQ, t1);
6200 tcg_temp_free(t0);
6201 tcg_temp_free(t1);
6202 if (unlikely(Rc(ctx->opcode) != 0)) {
6203 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
6204 }
6205 }
6206
6207 /* srea - srea. */
6208 static void gen_srea(DisasContext *ctx)
6209 {
6210 TCGv t0 = tcg_temp_new();
6211 TCGv t1 = tcg_temp_new();
6212 tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F);
6213 tcg_gen_rotr_tl(t0, cpu_gpr[rS(ctx->opcode)], t1);
6214 gen_store_spr(SPR_MQ, t0);
6215 tcg_gen_sar_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], t1);
6216 tcg_temp_free(t0);
6217 tcg_temp_free(t1);
6218 if (unlikely(Rc(ctx->opcode) != 0)) {
6219 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
6220 }
6221 }
6222
6223 /* sreq */
6224 static void gen_sreq(DisasContext *ctx)
6225 {
6226 TCGv t0 = tcg_temp_new();
6227 TCGv t1 = tcg_temp_new();
6228 TCGv t2 = tcg_temp_new();
6229 tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F);
6230 tcg_gen_movi_tl(t1, 0xFFFFFFFF);
6231 tcg_gen_shr_tl(t1, t1, t0);
6232 tcg_gen_rotr_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
6233 gen_load_spr(t2, SPR_MQ);
6234 gen_store_spr(SPR_MQ, t0);
6235 tcg_gen_and_tl(t0, t0, t1);
6236 tcg_gen_andc_tl(t2, t2, t1);
6237 tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t2);
6238 tcg_temp_free(t0);
6239 tcg_temp_free(t1);
6240 tcg_temp_free(t2);
6241 if (unlikely(Rc(ctx->opcode) != 0)) {
6242 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
6243 }
6244 }
6245
6246 /* sriq */
6247 static void gen_sriq(DisasContext *ctx)
6248 {
6249 int sh = SH(ctx->opcode);
6250 TCGv t0 = tcg_temp_new();
6251 TCGv t1 = tcg_temp_new();
6252 tcg_gen_shri_tl(t0, cpu_gpr[rS(ctx->opcode)], sh);
6253 tcg_gen_shli_tl(t1, cpu_gpr[rS(ctx->opcode)], 32 - sh);
6254 tcg_gen_or_tl(t1, t0, t1);
6255 tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
6256 gen_store_spr(SPR_MQ, t1);
6257 tcg_temp_free(t0);
6258 tcg_temp_free(t1);
6259 if (unlikely(Rc(ctx->opcode) != 0)) {
6260 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
6261 }
6262 }
6263
6264 /* srliq */
6265 static void gen_srliq(DisasContext *ctx)
6266 {
6267 int sh = SH(ctx->opcode);
6268 TCGv t0 = tcg_temp_new();
6269 TCGv t1 = tcg_temp_new();
6270 tcg_gen_rotri_tl(t0, cpu_gpr[rS(ctx->opcode)], sh);
6271 gen_load_spr(t1, SPR_MQ);
6272 gen_store_spr(SPR_MQ, t0);
6273 tcg_gen_andi_tl(t0, t0, (0xFFFFFFFFU >> sh));
6274 tcg_gen_andi_tl(t1, t1, ~(0xFFFFFFFFU >> sh));
6275 tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
6276 tcg_temp_free(t0);
6277 tcg_temp_free(t1);
6278 if (unlikely(Rc(ctx->opcode) != 0)) {
6279 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
6280 }
6281 }
6282
6283 /* srlq */
6284 static void gen_srlq(DisasContext *ctx)
6285 {
6286 TCGLabel *l1 = gen_new_label();
6287 TCGLabel *l2 = gen_new_label();
6288 TCGv t0 = tcg_temp_local_new();
6289 TCGv t1 = tcg_temp_local_new();
6290 TCGv t2 = tcg_temp_local_new();
6291 tcg_gen_andi_tl(t2, cpu_gpr[rB(ctx->opcode)], 0x1F);
6292 tcg_gen_movi_tl(t1, 0xFFFFFFFF);
6293 tcg_gen_shr_tl(t2, t1, t2);
6294 tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x20);
6295 tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1);
6296 gen_load_spr(t0, SPR_MQ);
6297 tcg_gen_and_tl(cpu_gpr[rA(ctx->opcode)], t0, t2);
6298 tcg_gen_br(l2);
6299 gen_set_label(l1);
6300 tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t2);
6301 tcg_gen_and_tl(t0, t0, t2);
6302 gen_load_spr(t1, SPR_MQ);
6303 tcg_gen_andc_tl(t1, t1, t2);
6304 tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
6305 gen_set_label(l2);
6306 tcg_temp_free(t0);
6307 tcg_temp_free(t1);
6308 tcg_temp_free(t2);
6309 if (unlikely(Rc(ctx->opcode) != 0)) {
6310 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
6311 }
6312 }
6313
6314 /* srq */
6315 static void gen_srq(DisasContext *ctx)
6316 {
6317 TCGLabel *l1 = gen_new_label();
6318 TCGv t0 = tcg_temp_new();
6319 TCGv t1 = tcg_temp_new();
6320 tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F);
6321 tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t1);
6322 tcg_gen_subfi_tl(t1, 32, t1);
6323 tcg_gen_shl_tl(t1, cpu_gpr[rS(ctx->opcode)], t1);
6324 tcg_gen_or_tl(t1, t0, t1);
6325 gen_store_spr(SPR_MQ, t1);
6326 tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x20);
6327 tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
6328 tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1);
6329 tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0);
6330 gen_set_label(l1);
6331 tcg_temp_free(t0);
6332 tcg_temp_free(t1);
6333 if (unlikely(Rc(ctx->opcode) != 0)) {
6334 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
6335 }
6336 }
6337
6338 /* PowerPC 602 specific instructions */
6339
6340 /* dsa */
6341 static void gen_dsa(DisasContext *ctx)
6342 {
6343 /* XXX: TODO */
6344 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
6345 }
6346
6347 /* esa */
6348 static void gen_esa(DisasContext *ctx)
6349 {
6350 /* XXX: TODO */
6351 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
6352 }
6353
6354 /* mfrom */
6355 static void gen_mfrom(DisasContext *ctx)
6356 {
6357 #if defined(CONFIG_USER_ONLY)
6358 GEN_PRIV;
6359 #else
6360 CHK_SV;
6361 gen_helper_602_mfrom(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
6362 #endif /* defined(CONFIG_USER_ONLY) */
6363 }
6364
6365 /* 602 - 603 - G2 TLB management */
6366
6367 /* tlbld */
6368 static void gen_tlbld_6xx(DisasContext *ctx)
6369 {
6370 #if defined(CONFIG_USER_ONLY)
6371 GEN_PRIV;
6372 #else
6373 CHK_SV;
6374 gen_helper_6xx_tlbd(cpu_env, cpu_gpr[rB(ctx->opcode)]);
6375 #endif /* defined(CONFIG_USER_ONLY) */
6376 }
6377
6378 /* tlbli */
6379 static void gen_tlbli_6xx(DisasContext *ctx)
6380 {
6381 #if defined(CONFIG_USER_ONLY)
6382 GEN_PRIV;
6383 #else
6384 CHK_SV;
6385 gen_helper_6xx_tlbi(cpu_env, cpu_gpr[rB(ctx->opcode)]);
6386 #endif /* defined(CONFIG_USER_ONLY) */
6387 }
6388
6389 /* 74xx TLB management */
6390
6391 /* tlbld */
6392 static void gen_tlbld_74xx(DisasContext *ctx)
6393 {
6394 #if defined(CONFIG_USER_ONLY)
6395 GEN_PRIV;
6396 #else
6397 CHK_SV;
6398 gen_helper_74xx_tlbd(cpu_env, cpu_gpr[rB(ctx->opcode)]);
6399 #endif /* defined(CONFIG_USER_ONLY) */
6400 }
6401
6402 /* tlbli */
6403 static void gen_tlbli_74xx(DisasContext *ctx)
6404 {
6405 #if defined(CONFIG_USER_ONLY)
6406 GEN_PRIV;
6407 #else
6408 CHK_SV;
6409 gen_helper_74xx_tlbi(cpu_env, cpu_gpr[rB(ctx->opcode)]);
6410 #endif /* defined(CONFIG_USER_ONLY) */
6411 }
6412
6413 /* POWER instructions not in PowerPC 601 */
6414
6415 /* clf */
6416 static void gen_clf(DisasContext *ctx)
6417 {
6418 /* Cache line flush: implemented as no-op */
6419 }
6420
6421 /* cli */
6422 static void gen_cli(DisasContext *ctx)
6423 {
6424 #if defined(CONFIG_USER_ONLY)
6425 GEN_PRIV;
6426 #else
6427 /* Cache line invalidate: privileged and treated as no-op */
6428 CHK_SV;
6429 #endif /* defined(CONFIG_USER_ONLY) */
6430 }
6431
6432 /* dclst */
6433 static void gen_dclst(DisasContext *ctx)
6434 {
6435 /* Data cache line store: treated as no-op */
6436 }
6437
6438 static void gen_mfsri(DisasContext *ctx)
6439 {
6440 #if defined(CONFIG_USER_ONLY)
6441 GEN_PRIV;
6442 #else
6443 int ra = rA(ctx->opcode);
6444 int rd = rD(ctx->opcode);
6445 TCGv t0;
6446
6447 CHK_SV;
6448 t0 = tcg_temp_new();
6449 gen_addr_reg_index(ctx, t0);
6450 tcg_gen_extract_tl(t0, t0, 28, 4);
6451 gen_helper_load_sr(cpu_gpr[rd], cpu_env, t0);
6452 tcg_temp_free(t0);
6453 if (ra != 0 && ra != rd) {
6454 tcg_gen_mov_tl(cpu_gpr[ra], cpu_gpr[rd]);
6455 }
6456 #endif /* defined(CONFIG_USER_ONLY) */
6457 }
6458
6459 static void gen_rac(DisasContext *ctx)
6460 {
6461 #if defined(CONFIG_USER_ONLY)
6462 GEN_PRIV;
6463 #else
6464 TCGv t0;
6465
6466 CHK_SV;
6467 t0 = tcg_temp_new();
6468 gen_addr_reg_index(ctx, t0);
6469 gen_helper_rac(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
6470 tcg_temp_free(t0);
6471 #endif /* defined(CONFIG_USER_ONLY) */
6472 }
6473
6474 static void gen_rfsvc(DisasContext *ctx)
6475 {
6476 #if defined(CONFIG_USER_ONLY)
6477 GEN_PRIV;
6478 #else
6479 CHK_SV;
6480
6481 gen_helper_rfsvc(cpu_env);
6482 ctx->base.is_jmp = DISAS_EXIT;
6483 #endif /* defined(CONFIG_USER_ONLY) */
6484 }
6485
6486 /* svc is not implemented for now */
6487
6488 /* BookE specific instructions */
6489
6490 /* XXX: not implemented on 440 ? */
6491 static void gen_mfapidi(DisasContext *ctx)
6492 {
6493 /* XXX: TODO */
6494 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
6495 }
6496
6497 /* XXX: not implemented on 440 ? */
6498 static void gen_tlbiva(DisasContext *ctx)
6499 {
6500 #if defined(CONFIG_USER_ONLY)
6501 GEN_PRIV;
6502 #else
6503 TCGv t0;
6504
6505 CHK_SV;
6506 t0 = tcg_temp_new();
6507 gen_addr_reg_index(ctx, t0);
6508 gen_helper_tlbiva(cpu_env, cpu_gpr[rB(ctx->opcode)]);
6509 tcg_temp_free(t0);
6510 #endif /* defined(CONFIG_USER_ONLY) */
6511 }
6512
6513 /* All 405 MAC instructions are translated here */
6514 static inline void gen_405_mulladd_insn(DisasContext *ctx, int opc2, int opc3,
6515 int ra, int rb, int rt, int Rc)
6516 {
6517 TCGv t0, t1;
6518
6519 t0 = tcg_temp_local_new();
6520 t1 = tcg_temp_local_new();
6521
6522 switch (opc3 & 0x0D) {
6523 case 0x05:
6524 /* macchw - macchw. - macchwo - macchwo. */
6525 /* macchws - macchws. - macchwso - macchwso. */
6526 /* nmacchw - nmacchw. - nmacchwo - nmacchwo. */
6527 /* nmacchws - nmacchws. - nmacchwso - nmacchwso. */
6528 /* mulchw - mulchw. */
6529 tcg_gen_ext16s_tl(t0, cpu_gpr[ra]);
6530 tcg_gen_sari_tl(t1, cpu_gpr[rb], 16);
6531 tcg_gen_ext16s_tl(t1, t1);
6532 break;
6533 case 0x04:
6534 /* macchwu - macchwu. - macchwuo - macchwuo. */
6535 /* macchwsu - macchwsu. - macchwsuo - macchwsuo. */
6536 /* mulchwu - mulchwu. */
6537 tcg_gen_ext16u_tl(t0, cpu_gpr[ra]);
6538 tcg_gen_shri_tl(t1, cpu_gpr[rb], 16);
6539 tcg_gen_ext16u_tl(t1, t1);
6540 break;
6541 case 0x01:
6542 /* machhw - machhw. - machhwo - machhwo. */
6543 /* machhws - machhws. - machhwso - machhwso. */
6544 /* nmachhw - nmachhw. - nmachhwo - nmachhwo. */
6545 /* nmachhws - nmachhws. - nmachhwso - nmachhwso. */
6546 /* mulhhw - mulhhw. */
6547 tcg_gen_sari_tl(t0, cpu_gpr[ra], 16);
6548 tcg_gen_ext16s_tl(t0, t0);
6549 tcg_gen_sari_tl(t1, cpu_gpr[rb], 16);
6550 tcg_gen_ext16s_tl(t1, t1);
6551 break;
6552 case 0x00:
6553 /* machhwu - machhwu. - machhwuo - machhwuo. */
6554 /* machhwsu - machhwsu. - machhwsuo - machhwsuo. */
6555 /* mulhhwu - mulhhwu. */
6556 tcg_gen_shri_tl(t0, cpu_gpr[ra], 16);
6557 tcg_gen_ext16u_tl(t0, t0);
6558 tcg_gen_shri_tl(t1, cpu_gpr[rb], 16);
6559 tcg_gen_ext16u_tl(t1, t1);
6560 break;
6561 case 0x0D:
6562 /* maclhw - maclhw. - maclhwo - maclhwo. */
6563 /* maclhws - maclhws. - maclhwso - maclhwso. */
6564 /* nmaclhw - nmaclhw. - nmaclhwo - nmaclhwo. */
6565 /* nmaclhws - nmaclhws. - nmaclhwso - nmaclhwso. */
6566 /* mullhw - mullhw. */
6567 tcg_gen_ext16s_tl(t0, cpu_gpr[ra]);
6568 tcg_gen_ext16s_tl(t1, cpu_gpr[rb]);
6569 break;
6570 case 0x0C:
6571 /* maclhwu - maclhwu. - maclhwuo - maclhwuo. */
6572 /* maclhwsu - maclhwsu. - maclhwsuo - maclhwsuo. */
6573 /* mullhwu - mullhwu. */
6574 tcg_gen_ext16u_tl(t0, cpu_gpr[ra]);
6575 tcg_gen_ext16u_tl(t1, cpu_gpr[rb]);
6576 break;
6577 }
6578 if (opc2 & 0x04) {
6579 /* (n)multiply-and-accumulate (0x0C / 0x0E) */
6580 tcg_gen_mul_tl(t1, t0, t1);
6581 if (opc2 & 0x02) {
6582 /* nmultiply-and-accumulate (0x0E) */
6583 tcg_gen_sub_tl(t0, cpu_gpr[rt], t1);
6584 } else {
6585 /* multiply-and-accumulate (0x0C) */
6586 tcg_gen_add_tl(t0, cpu_gpr[rt], t1);
6587 }
6588
6589 if (opc3 & 0x12) {
6590 /* Check overflow and/or saturate */
6591 TCGLabel *l1 = gen_new_label();
6592
6593 if (opc3 & 0x10) {
6594 /* Start with XER OV disabled, the most likely case */
6595 tcg_gen_movi_tl(cpu_ov, 0);
6596 }
6597 if (opc3 & 0x01) {
6598 /* Signed */
6599 tcg_gen_xor_tl(t1, cpu_gpr[rt], t1);
6600 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1);
6601 tcg_gen_xor_tl(t1, cpu_gpr[rt], t0);
6602 tcg_gen_brcondi_tl(TCG_COND_LT, t1, 0, l1);
6603 if (opc3 & 0x02) {
6604 /* Saturate */
6605 tcg_gen_sari_tl(t0, cpu_gpr[rt], 31);
6606 tcg_gen_xori_tl(t0, t0, 0x7fffffff);
6607 }
6608 } else {
6609 /* Unsigned */
6610 tcg_gen_brcond_tl(TCG_COND_GEU, t0, t1, l1);
6611 if (opc3 & 0x02) {
6612 /* Saturate */
6613 tcg_gen_movi_tl(t0, UINT32_MAX);
6614 }
6615 }
6616 if (opc3 & 0x10) {
6617 /* Check overflow */
6618 tcg_gen_movi_tl(cpu_ov, 1);
6619 tcg_gen_movi_tl(cpu_so, 1);
6620 }
6621 gen_set_label(l1);
6622 tcg_gen_mov_tl(cpu_gpr[rt], t0);
6623 }
6624 } else {
6625 tcg_gen_mul_tl(cpu_gpr[rt], t0, t1);
6626 }
6627 tcg_temp_free(t0);
6628 tcg_temp_free(t1);
6629 if (unlikely(Rc) != 0) {
6630 /* Update Rc0 */
6631 gen_set_Rc0(ctx, cpu_gpr[rt]);
6632 }
6633 }
6634
6635 #define GEN_MAC_HANDLER(name, opc2, opc3) \
6636 static void glue(gen_, name)(DisasContext *ctx) \
6637 { \
6638 gen_405_mulladd_insn(ctx, opc2, opc3, rA(ctx->opcode), rB(ctx->opcode), \
6639 rD(ctx->opcode), Rc(ctx->opcode)); \
6640 }
6641
6642 /* macchw - macchw. */
6643 GEN_MAC_HANDLER(macchw, 0x0C, 0x05);
6644 /* macchwo - macchwo. */
6645 GEN_MAC_HANDLER(macchwo, 0x0C, 0x15);
6646 /* macchws - macchws. */
6647 GEN_MAC_HANDLER(macchws, 0x0C, 0x07);
6648 /* macchwso - macchwso. */
6649 GEN_MAC_HANDLER(macchwso, 0x0C, 0x17);
6650 /* macchwsu - macchwsu. */
6651 GEN_MAC_HANDLER(macchwsu, 0x0C, 0x06);
6652 /* macchwsuo - macchwsuo. */
6653 GEN_MAC_HANDLER(macchwsuo, 0x0C, 0x16);
6654 /* macchwu - macchwu. */
6655 GEN_MAC_HANDLER(macchwu, 0x0C, 0x04);
6656 /* macchwuo - macchwuo. */
6657 GEN_MAC_HANDLER(macchwuo, 0x0C, 0x14);
6658 /* machhw - machhw. */
6659 GEN_MAC_HANDLER(machhw, 0x0C, 0x01);
6660 /* machhwo - machhwo. */
6661 GEN_MAC_HANDLER(machhwo, 0x0C, 0x11);
6662 /* machhws - machhws. */
6663 GEN_MAC_HANDLER(machhws, 0x0C, 0x03);
6664 /* machhwso - machhwso. */
6665 GEN_MAC_HANDLER(machhwso, 0x0C, 0x13);
6666 /* machhwsu - machhwsu. */
6667 GEN_MAC_HANDLER(machhwsu, 0x0C, 0x02);
6668 /* machhwsuo - machhwsuo. */
6669 GEN_MAC_HANDLER(machhwsuo, 0x0C, 0x12);
6670 /* machhwu - machhwu. */
6671 GEN_MAC_HANDLER(machhwu, 0x0C, 0x00);
6672 /* machhwuo - machhwuo. */
6673 GEN_MAC_HANDLER(machhwuo, 0x0C, 0x10);
6674 /* maclhw - maclhw. */
6675 GEN_MAC_HANDLER(maclhw, 0x0C, 0x0D);
6676 /* maclhwo - maclhwo. */
6677 GEN_MAC_HANDLER(maclhwo, 0x0C, 0x1D);
6678 /* maclhws - maclhws. */
6679 GEN_MAC_HANDLER(maclhws, 0x0C, 0x0F);
6680 /* maclhwso - maclhwso. */
6681 GEN_MAC_HANDLER(maclhwso, 0x0C, 0x1F);
6682 /* maclhwu - maclhwu. */
6683 GEN_MAC_HANDLER(maclhwu, 0x0C, 0x0C);
6684 /* maclhwuo - maclhwuo. */
6685 GEN_MAC_HANDLER(maclhwuo, 0x0C, 0x1C);
6686 /* maclhwsu - maclhwsu. */
6687 GEN_MAC_HANDLER(maclhwsu, 0x0C, 0x0E);
6688 /* maclhwsuo - maclhwsuo. */
6689 GEN_MAC_HANDLER(maclhwsuo, 0x0C, 0x1E);
6690 /* nmacchw - nmacchw. */
6691 GEN_MAC_HANDLER(nmacchw, 0x0E, 0x05);
6692 /* nmacchwo - nmacchwo. */
6693 GEN_MAC_HANDLER(nmacchwo, 0x0E, 0x15);
6694 /* nmacchws - nmacchws. */
6695 GEN_MAC_HANDLER(nmacchws, 0x0E, 0x07);
6696 /* nmacchwso - nmacchwso. */
6697 GEN_MAC_HANDLER(nmacchwso, 0x0E, 0x17);
6698 /* nmachhw - nmachhw. */
6699 GEN_MAC_HANDLER(nmachhw, 0x0E, 0x01);
6700 /* nmachhwo - nmachhwo. */
6701 GEN_MAC_HANDLER(nmachhwo, 0x0E, 0x11);
6702 /* nmachhws - nmachhws. */
6703 GEN_MAC_HANDLER(nmachhws, 0x0E, 0x03);
6704 /* nmachhwso - nmachhwso. */
6705 GEN_MAC_HANDLER(nmachhwso, 0x0E, 0x13);
6706 /* nmaclhw - nmaclhw. */
6707 GEN_MAC_HANDLER(nmaclhw, 0x0E, 0x0D);
6708 /* nmaclhwo - nmaclhwo. */
6709 GEN_MAC_HANDLER(nmaclhwo, 0x0E, 0x1D);
6710 /* nmaclhws - nmaclhws. */
6711 GEN_MAC_HANDLER(nmaclhws, 0x0E, 0x0F);
6712 /* nmaclhwso - nmaclhwso. */
6713 GEN_MAC_HANDLER(nmaclhwso, 0x0E, 0x1F);
6714
6715 /* mulchw - mulchw. */
6716 GEN_MAC_HANDLER(mulchw, 0x08, 0x05);
6717 /* mulchwu - mulchwu. */
6718 GEN_MAC_HANDLER(mulchwu, 0x08, 0x04);
6719 /* mulhhw - mulhhw. */
6720 GEN_MAC_HANDLER(mulhhw, 0x08, 0x01);
6721 /* mulhhwu - mulhhwu. */
6722 GEN_MAC_HANDLER(mulhhwu, 0x08, 0x00);
6723 /* mullhw - mullhw. */
6724 GEN_MAC_HANDLER(mullhw, 0x08, 0x0D);
6725 /* mullhwu - mullhwu. */
6726 GEN_MAC_HANDLER(mullhwu, 0x08, 0x0C);
6727
6728 /* mfdcr */
6729 static void gen_mfdcr(DisasContext *ctx)
6730 {
6731 #if defined(CONFIG_USER_ONLY)
6732 GEN_PRIV;
6733 #else
6734 TCGv dcrn;
6735
6736 CHK_SV;
6737 dcrn = tcg_const_tl(SPR(ctx->opcode));
6738 gen_helper_load_dcr(cpu_gpr[rD(ctx->opcode)], cpu_env, dcrn);
6739 tcg_temp_free(dcrn);
6740 #endif /* defined(CONFIG_USER_ONLY) */
6741 }
6742
6743 /* mtdcr */
6744 static void gen_mtdcr(DisasContext *ctx)
6745 {
6746 #if defined(CONFIG_USER_ONLY)
6747 GEN_PRIV;
6748 #else
6749 TCGv dcrn;
6750
6751 CHK_SV;
6752 dcrn = tcg_const_tl(SPR(ctx->opcode));
6753 gen_helper_store_dcr(cpu_env, dcrn, cpu_gpr[rS(ctx->opcode)]);
6754 tcg_temp_free(dcrn);
6755 #endif /* defined(CONFIG_USER_ONLY) */
6756 }
6757
6758 /* mfdcrx */
6759 /* XXX: not implemented on 440 ? */
6760 static void gen_mfdcrx(DisasContext *ctx)
6761 {
6762 #if defined(CONFIG_USER_ONLY)
6763 GEN_PRIV;
6764 #else
6765 CHK_SV;
6766 gen_helper_load_dcr(cpu_gpr[rD(ctx->opcode)], cpu_env,
6767 cpu_gpr[rA(ctx->opcode)]);
6768 /* Note: Rc update flag set leads to undefined state of Rc0 */
6769 #endif /* defined(CONFIG_USER_ONLY) */
6770 }
6771
6772 /* mtdcrx */
6773 /* XXX: not implemented on 440 ? */
6774 static void gen_mtdcrx(DisasContext *ctx)
6775 {
6776 #if defined(CONFIG_USER_ONLY)
6777 GEN_PRIV;
6778 #else
6779 CHK_SV;
6780 gen_helper_store_dcr(cpu_env, cpu_gpr[rA(ctx->opcode)],
6781 cpu_gpr[rS(ctx->opcode)]);
6782 /* Note: Rc update flag set leads to undefined state of Rc0 */
6783 #endif /* defined(CONFIG_USER_ONLY) */
6784 }
6785
6786 /* mfdcrux (PPC 460) : user-mode access to DCR */
6787 static void gen_mfdcrux(DisasContext *ctx)
6788 {
6789 gen_helper_load_dcr(cpu_gpr[rD(ctx->opcode)], cpu_env,
6790 cpu_gpr[rA(ctx->opcode)]);
6791 /* Note: Rc update flag set leads to undefined state of Rc0 */
6792 }
6793
6794 /* mtdcrux (PPC 460) : user-mode access to DCR */
6795 static void gen_mtdcrux(DisasContext *ctx)
6796 {
6797 gen_helper_store_dcr(cpu_env, cpu_gpr[rA(ctx->opcode)],
6798 cpu_gpr[rS(ctx->opcode)]);
6799 /* Note: Rc update flag set leads to undefined state of Rc0 */
6800 }
6801
6802 /* dccci */
6803 static void gen_dccci(DisasContext *ctx)
6804 {
6805 CHK_SV;
6806 /* interpreted as no-op */
6807 }
6808
6809 /* dcread */
6810 static void gen_dcread(DisasContext *ctx)
6811 {
6812 #if defined(CONFIG_USER_ONLY)
6813 GEN_PRIV;
6814 #else
6815 TCGv EA, val;
6816
6817 CHK_SV;
6818 gen_set_access_type(ctx, ACCESS_CACHE);
6819 EA = tcg_temp_new();
6820 gen_addr_reg_index(ctx, EA);
6821 val = tcg_temp_new();
6822 gen_qemu_ld32u(ctx, val, EA);
6823 tcg_temp_free(val);
6824 tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], EA);
6825 tcg_temp_free(EA);
6826 #endif /* defined(CONFIG_USER_ONLY) */
6827 }
6828
6829 /* icbt */
6830 static void gen_icbt_40x(DisasContext *ctx)
6831 {
6832 /*
6833 * interpreted as no-op
6834 * XXX: specification say this is treated as a load by the MMU but
6835 * does not generate any exception
6836 */
6837 }
6838
6839 /* iccci */
6840 static void gen_iccci(DisasContext *ctx)
6841 {
6842 CHK_SV;
6843 /* interpreted as no-op */
6844 }
6845
6846 /* icread */
6847 static void gen_icread(DisasContext *ctx)
6848 {
6849 CHK_SV;
6850 /* interpreted as no-op */
6851 }
6852
6853 /* rfci (supervisor only) */
6854 static void gen_rfci_40x(DisasContext *ctx)
6855 {
6856 #if defined(CONFIG_USER_ONLY)
6857 GEN_PRIV;
6858 #else
6859 CHK_SV;
6860 /* Restore CPU state */
6861 gen_helper_40x_rfci(cpu_env);
6862 ctx->base.is_jmp = DISAS_EXIT;
6863 #endif /* defined(CONFIG_USER_ONLY) */
6864 }
6865
6866 static void gen_rfci(DisasContext *ctx)
6867 {
6868 #if defined(CONFIG_USER_ONLY)
6869 GEN_PRIV;
6870 #else
6871 CHK_SV;
6872 /* Restore CPU state */
6873 gen_helper_rfci(cpu_env);
6874 ctx->base.is_jmp = DISAS_EXIT;
6875 #endif /* defined(CONFIG_USER_ONLY) */
6876 }
6877
6878 /* BookE specific */
6879
6880 /* XXX: not implemented on 440 ? */
6881 static void gen_rfdi(DisasContext *ctx)
6882 {
6883 #if defined(CONFIG_USER_ONLY)
6884 GEN_PRIV;
6885 #else
6886 CHK_SV;
6887 /* Restore CPU state */
6888 gen_helper_rfdi(cpu_env);
6889 ctx->base.is_jmp = DISAS_EXIT;
6890 #endif /* defined(CONFIG_USER_ONLY) */
6891 }
6892
6893 /* XXX: not implemented on 440 ? */
6894 static void gen_rfmci(DisasContext *ctx)
6895 {
6896 #if defined(CONFIG_USER_ONLY)
6897 GEN_PRIV;
6898 #else
6899 CHK_SV;
6900 /* Restore CPU state */
6901 gen_helper_rfmci(cpu_env);
6902 ctx->base.is_jmp = DISAS_EXIT;
6903 #endif /* defined(CONFIG_USER_ONLY) */
6904 }
6905
6906 /* TLB management - PowerPC 405 implementation */
6907
6908 /* tlbre */
6909 static void gen_tlbre_40x(DisasContext *ctx)
6910 {
6911 #if defined(CONFIG_USER_ONLY)
6912 GEN_PRIV;
6913 #else
6914 CHK_SV;
6915 switch (rB(ctx->opcode)) {
6916 case 0:
6917 gen_helper_4xx_tlbre_hi(cpu_gpr[rD(ctx->opcode)], cpu_env,
6918 cpu_gpr[rA(ctx->opcode)]);
6919 break;
6920 case 1:
6921 gen_helper_4xx_tlbre_lo(cpu_gpr[rD(ctx->opcode)], cpu_env,
6922 cpu_gpr[rA(ctx->opcode)]);
6923 break;
6924 default:
6925 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
6926 break;
6927 }
6928 #endif /* defined(CONFIG_USER_ONLY) */
6929 }
6930
6931 /* tlbsx - tlbsx. */
6932 static void gen_tlbsx_40x(DisasContext *ctx)
6933 {
6934 #if defined(CONFIG_USER_ONLY)
6935 GEN_PRIV;
6936 #else
6937 TCGv t0;
6938
6939 CHK_SV;
6940 t0 = tcg_temp_new();
6941 gen_addr_reg_index(ctx, t0);
6942 gen_helper_4xx_tlbsx(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
6943 tcg_temp_free(t0);
6944 if (Rc(ctx->opcode)) {
6945 TCGLabel *l1 = gen_new_label();
6946 tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so);
6947 tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[rD(ctx->opcode)], -1, l1);
6948 tcg_gen_ori_i32(cpu_crf[0], cpu_crf[0], 0x02);
6949 gen_set_label(l1);
6950 }
6951 #endif /* defined(CONFIG_USER_ONLY) */
6952 }
6953
6954 /* tlbwe */
6955 static void gen_tlbwe_40x(DisasContext *ctx)
6956 {
6957 #if defined(CONFIG_USER_ONLY)
6958 GEN_PRIV;
6959 #else
6960 CHK_SV;
6961
6962 switch (rB(ctx->opcode)) {
6963 case 0:
6964 gen_helper_4xx_tlbwe_hi(cpu_env, cpu_gpr[rA(ctx->opcode)],
6965 cpu_gpr[rS(ctx->opcode)]);
6966 break;
6967 case 1:
6968 gen_helper_4xx_tlbwe_lo(cpu_env, cpu_gpr[rA(ctx->opcode)],
6969 cpu_gpr[rS(ctx->opcode)]);
6970 break;
6971 default:
6972 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
6973 break;
6974 }
6975 #endif /* defined(CONFIG_USER_ONLY) */
6976 }
6977
6978 /* TLB management - PowerPC 440 implementation */
6979
6980 /* tlbre */
6981 static void gen_tlbre_440(DisasContext *ctx)
6982 {
6983 #if defined(CONFIG_USER_ONLY)
6984 GEN_PRIV;
6985 #else
6986 CHK_SV;
6987
6988 switch (rB(ctx->opcode)) {
6989 case 0:
6990 case 1:
6991 case 2:
6992 {
6993 TCGv_i32 t0 = tcg_const_i32(rB(ctx->opcode));
6994 gen_helper_440_tlbre(cpu_gpr[rD(ctx->opcode)], cpu_env,
6995 t0, cpu_gpr[rA(ctx->opcode)]);
6996 tcg_temp_free_i32(t0);
6997 }
6998 break;
6999 default:
7000 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
7001 break;
7002 }
7003 #endif /* defined(CONFIG_USER_ONLY) */
7004 }
7005
7006 /* tlbsx - tlbsx. */
7007 static void gen_tlbsx_440(DisasContext *ctx)
7008 {
7009 #if defined(CONFIG_USER_ONLY)
7010 GEN_PRIV;
7011 #else
7012 TCGv t0;
7013
7014 CHK_SV;
7015 t0 = tcg_temp_new();
7016 gen_addr_reg_index(ctx, t0);
7017 gen_helper_440_tlbsx(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
7018 tcg_temp_free(t0);
7019 if (Rc(ctx->opcode)) {
7020 TCGLabel *l1 = gen_new_label();
7021 tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so);
7022 tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[rD(ctx->opcode)], -1, l1);
7023 tcg_gen_ori_i32(cpu_crf[0], cpu_crf[0], 0x02);
7024 gen_set_label(l1);
7025 }
7026 #endif /* defined(CONFIG_USER_ONLY) */
7027 }
7028
7029 /* tlbwe */
7030 static void gen_tlbwe_440(DisasContext *ctx)
7031 {
7032 #if defined(CONFIG_USER_ONLY)
7033 GEN_PRIV;
7034 #else
7035 CHK_SV;
7036 switch (rB(ctx->opcode)) {
7037 case 0:
7038 case 1:
7039 case 2:
7040 {
7041 TCGv_i32 t0 = tcg_const_i32(rB(ctx->opcode));
7042 gen_helper_440_tlbwe(cpu_env, t0, cpu_gpr[rA(ctx->opcode)],
7043 cpu_gpr[rS(ctx->opcode)]);
7044 tcg_temp_free_i32(t0);
7045 }
7046 break;
7047 default:
7048 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
7049 break;
7050 }
7051 #endif /* defined(CONFIG_USER_ONLY) */
7052 }
7053
7054 /* TLB management - PowerPC BookE 2.06 implementation */
7055
7056 /* tlbre */
7057 static void gen_tlbre_booke206(DisasContext *ctx)
7058 {
7059 #if defined(CONFIG_USER_ONLY)
7060 GEN_PRIV;
7061 #else
7062 CHK_SV;
7063 gen_helper_booke206_tlbre(cpu_env);
7064 #endif /* defined(CONFIG_USER_ONLY) */
7065 }
7066
7067 /* tlbsx - tlbsx. */
7068 static void gen_tlbsx_booke206(DisasContext *ctx)
7069 {
7070 #if defined(CONFIG_USER_ONLY)
7071 GEN_PRIV;
7072 #else
7073 TCGv t0;
7074
7075 CHK_SV;
7076 if (rA(ctx->opcode)) {
7077 t0 = tcg_temp_new();
7078 tcg_gen_mov_tl(t0, cpu_gpr[rD(ctx->opcode)]);
7079 } else {
7080 t0 = tcg_const_tl(0);
7081 }
7082
7083 tcg_gen_add_tl(t0, t0, cpu_gpr[rB(ctx->opcode)]);
7084 gen_helper_booke206_tlbsx(cpu_env, t0);
7085 tcg_temp_free(t0);
7086 #endif /* defined(CONFIG_USER_ONLY) */
7087 }
7088
7089 /* tlbwe */
7090 static void gen_tlbwe_booke206(DisasContext *ctx)
7091 {
7092 #if defined(CONFIG_USER_ONLY)
7093 GEN_PRIV;
7094 #else
7095 CHK_SV;
7096 gen_helper_booke206_tlbwe(cpu_env);
7097 #endif /* defined(CONFIG_USER_ONLY) */
7098 }
7099
7100 static void gen_tlbivax_booke206(DisasContext *ctx)
7101 {
7102 #if defined(CONFIG_USER_ONLY)
7103 GEN_PRIV;
7104 #else
7105 TCGv t0;
7106
7107 CHK_SV;
7108 t0 = tcg_temp_new();
7109 gen_addr_reg_index(ctx, t0);
7110 gen_helper_booke206_tlbivax(cpu_env, t0);
7111 tcg_temp_free(t0);
7112 #endif /* defined(CONFIG_USER_ONLY) */
7113 }
7114
7115 static void gen_tlbilx_booke206(DisasContext *ctx)
7116 {
7117 #if defined(CONFIG_USER_ONLY)
7118 GEN_PRIV;
7119 #else
7120 TCGv t0;
7121
7122 CHK_SV;
7123 t0 = tcg_temp_new();
7124 gen_addr_reg_index(ctx, t0);
7125
7126 switch ((ctx->opcode >> 21) & 0x3) {
7127 case 0:
7128 gen_helper_booke206_tlbilx0(cpu_env, t0);
7129 break;
7130 case 1:
7131 gen_helper_booke206_tlbilx1(cpu_env, t0);
7132 break;
7133 case 3:
7134 gen_helper_booke206_tlbilx3(cpu_env, t0);
7135 break;
7136 default:
7137 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
7138 break;
7139 }
7140
7141 tcg_temp_free(t0);
7142 #endif /* defined(CONFIG_USER_ONLY) */
7143 }
7144
7145
7146 /* wrtee */
7147 static void gen_wrtee(DisasContext *ctx)
7148 {
7149 #if defined(CONFIG_USER_ONLY)
7150 GEN_PRIV;
7151 #else
7152 TCGv t0;
7153
7154 CHK_SV;
7155 t0 = tcg_temp_new();
7156 tcg_gen_andi_tl(t0, cpu_gpr[rD(ctx->opcode)], (1 << MSR_EE));
7157 tcg_gen_andi_tl(cpu_msr, cpu_msr, ~(1 << MSR_EE));
7158 tcg_gen_or_tl(cpu_msr, cpu_msr, t0);
7159 tcg_temp_free(t0);
7160 /*
7161 * Stop translation to have a chance to raise an exception if we
7162 * just set msr_ee to 1
7163 */
7164 ctx->base.is_jmp = DISAS_EXIT_UPDATE;
7165 #endif /* defined(CONFIG_USER_ONLY) */
7166 }
7167
7168 /* wrteei */
7169 static void gen_wrteei(DisasContext *ctx)
7170 {
7171 #if defined(CONFIG_USER_ONLY)
7172 GEN_PRIV;
7173 #else
7174 CHK_SV;
7175 if (ctx->opcode & 0x00008000) {
7176 tcg_gen_ori_tl(cpu_msr, cpu_msr, (1 << MSR_EE));
7177 /* Stop translation to have a chance to raise an exception */
7178 ctx->base.is_jmp = DISAS_EXIT_UPDATE;
7179 } else {
7180 tcg_gen_andi_tl(cpu_msr, cpu_msr, ~(1 << MSR_EE));
7181 }
7182 #endif /* defined(CONFIG_USER_ONLY) */
7183 }
7184
7185 /* PowerPC 440 specific instructions */
7186
7187 /* dlmzb */
7188 static void gen_dlmzb(DisasContext *ctx)
7189 {
7190 TCGv_i32 t0 = tcg_const_i32(Rc(ctx->opcode));
7191 gen_helper_dlmzb(cpu_gpr[rA(ctx->opcode)], cpu_env,
7192 cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], t0);
7193 tcg_temp_free_i32(t0);
7194 }
7195
7196 /* mbar replaces eieio on 440 */
7197 static void gen_mbar(DisasContext *ctx)
7198 {
7199 /* interpreted as no-op */
7200 }
7201
7202 /* msync replaces sync on 440 */
7203 static void gen_msync_4xx(DisasContext *ctx)
7204 {
7205 /* Only e500 seems to treat reserved bits as invalid */
7206 if ((ctx->insns_flags2 & PPC2_BOOKE206) &&
7207 (ctx->opcode & 0x03FFF801)) {
7208 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
7209 }
7210 /* otherwise interpreted as no-op */
7211 }
7212
7213 /* icbt */
7214 static void gen_icbt_440(DisasContext *ctx)
7215 {
7216 /*
7217 * interpreted as no-op
7218 * XXX: specification say this is treated as a load by the MMU but
7219 * does not generate any exception
7220 */
7221 }
7222
7223 /* Embedded.Processor Control */
7224
7225 static void gen_msgclr(DisasContext *ctx)
7226 {
7227 #if defined(CONFIG_USER_ONLY)
7228 GEN_PRIV;
7229 #else
7230 CHK_HV;
7231 if (is_book3s_arch2x(ctx)) {
7232 gen_helper_book3s_msgclr(cpu_env, cpu_gpr[rB(ctx->opcode)]);
7233 } else {
7234 gen_helper_msgclr(cpu_env, cpu_gpr[rB(ctx->opcode)]);
7235 }
7236 #endif /* defined(CONFIG_USER_ONLY) */
7237 }
7238
7239 static void gen_msgsnd(DisasContext *ctx)
7240 {
7241 #if defined(CONFIG_USER_ONLY)
7242 GEN_PRIV;
7243 #else
7244 CHK_HV;
7245 if (is_book3s_arch2x(ctx)) {
7246 gen_helper_book3s_msgsnd(cpu_gpr[rB(ctx->opcode)]);
7247 } else {
7248 gen_helper_msgsnd(cpu_gpr[rB(ctx->opcode)]);
7249 }
7250 #endif /* defined(CONFIG_USER_ONLY) */
7251 }
7252
7253 #if defined(TARGET_PPC64)
7254 static void gen_msgclrp(DisasContext *ctx)
7255 {
7256 #if defined(CONFIG_USER_ONLY)
7257 GEN_PRIV;
7258 #else
7259 CHK_SV;
7260 gen_helper_book3s_msgclrp(cpu_env, cpu_gpr[rB(ctx->opcode)]);
7261 #endif /* defined(CONFIG_USER_ONLY) */
7262 }
7263
7264 static void gen_msgsndp(DisasContext *ctx)
7265 {
7266 #if defined(CONFIG_USER_ONLY)
7267 GEN_PRIV;
7268 #else
7269 CHK_SV;
7270 gen_helper_book3s_msgsndp(cpu_env, cpu_gpr[rB(ctx->opcode)]);
7271 #endif /* defined(CONFIG_USER_ONLY) */
7272 }
7273 #endif
7274
7275 static void gen_msgsync(DisasContext *ctx)
7276 {
7277 #if defined(CONFIG_USER_ONLY)
7278 GEN_PRIV;
7279 #else
7280 CHK_HV;
7281 #endif /* defined(CONFIG_USER_ONLY) */
7282 /* interpreted as no-op */
7283 }
7284
7285 #if defined(TARGET_PPC64)
7286 static void gen_maddld(DisasContext *ctx)
7287 {
7288 TCGv_i64 t1 = tcg_temp_new_i64();
7289
7290 tcg_gen_mul_i64(t1, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
7291 tcg_gen_add_i64(cpu_gpr[rD(ctx->opcode)], t1, cpu_gpr[rC(ctx->opcode)]);
7292 tcg_temp_free_i64(t1);
7293 }
7294
7295 /* maddhd maddhdu */
7296 static void gen_maddhd_maddhdu(DisasContext *ctx)
7297 {
7298 TCGv_i64 lo = tcg_temp_new_i64();
7299 TCGv_i64 hi = tcg_temp_new_i64();
7300 TCGv_i64 t1 = tcg_temp_new_i64();
7301
7302 if (Rc(ctx->opcode)) {
7303 tcg_gen_mulu2_i64(lo, hi, cpu_gpr[rA(ctx->opcode)],
7304 cpu_gpr[rB(ctx->opcode)]);
7305 tcg_gen_movi_i64(t1, 0);
7306 } else {
7307 tcg_gen_muls2_i64(lo, hi, cpu_gpr[rA(ctx->opcode)],
7308 cpu_gpr[rB(ctx->opcode)]);
7309 tcg_gen_sari_i64(t1, cpu_gpr[rC(ctx->opcode)], 63);
7310 }
7311 tcg_gen_add2_i64(t1, cpu_gpr[rD(ctx->opcode)], lo, hi,
7312 cpu_gpr[rC(ctx->opcode)], t1);
7313 tcg_temp_free_i64(lo);
7314 tcg_temp_free_i64(hi);
7315 tcg_temp_free_i64(t1);
7316 }
7317 #endif /* defined(TARGET_PPC64) */
7318
7319 static void gen_tbegin(DisasContext *ctx)
7320 {
7321 if (unlikely(!ctx->tm_enabled)) {
7322 gen_exception_err(ctx, POWERPC_EXCP_FU, FSCR_IC_TM);
7323 return;
7324 }
7325 gen_helper_tbegin(cpu_env);
7326 }
7327
7328 #define GEN_TM_NOOP(name) \
7329 static inline void gen_##name(DisasContext *ctx) \
7330 { \
7331 if (unlikely(!ctx->tm_enabled)) { \
7332 gen_exception_err(ctx, POWERPC_EXCP_FU, FSCR_IC_TM); \
7333 return; \
7334 } \
7335 /* \
7336 * Because tbegin always fails in QEMU, these user \
7337 * space instructions all have a simple implementation: \
7338 * \
7339 * CR[0] = 0b0 || MSR[TS] || 0b0 \
7340 * = 0b0 || 0b00 || 0b0 \
7341 */ \
7342 tcg_gen_movi_i32(cpu_crf[0], 0); \
7343 }
7344
7345 GEN_TM_NOOP(tend);
7346 GEN_TM_NOOP(tabort);
7347 GEN_TM_NOOP(tabortwc);
7348 GEN_TM_NOOP(tabortwci);
7349 GEN_TM_NOOP(tabortdc);
7350 GEN_TM_NOOP(tabortdci);
7351 GEN_TM_NOOP(tsr);
7352
7353 static inline void gen_cp_abort(DisasContext *ctx)
7354 {
7355 /* Do Nothing */
7356 }
7357
7358 #define GEN_CP_PASTE_NOOP(name) \
7359 static inline void gen_##name(DisasContext *ctx) \
7360 { \
7361 /* \
7362 * Generate invalid exception until we have an \
7363 * implementation of the copy paste facility \
7364 */ \
7365 gen_invalid(ctx); \
7366 }
7367
7368 GEN_CP_PASTE_NOOP(copy)
7369 GEN_CP_PASTE_NOOP(paste)
7370
7371 static void gen_tcheck(DisasContext *ctx)
7372 {
7373 if (unlikely(!ctx->tm_enabled)) {
7374 gen_exception_err(ctx, POWERPC_EXCP_FU, FSCR_IC_TM);
7375 return;
7376 }
7377 /*
7378 * Because tbegin always fails, the tcheck implementation is
7379 * simple:
7380 *
7381 * CR[CRF] = TDOOMED || MSR[TS] || 0b0
7382 * = 0b1 || 0b00 || 0b0
7383 */
7384 tcg_gen_movi_i32(cpu_crf[crfD(ctx->opcode)], 0x8);
7385 }
7386
7387 #if defined(CONFIG_USER_ONLY)
7388 #define GEN_TM_PRIV_NOOP(name) \
7389 static inline void gen_##name(DisasContext *ctx) \
7390 { \
7391 gen_priv_exception(ctx, POWERPC_EXCP_PRIV_OPC); \
7392 }
7393
7394 #else
7395
7396 #define GEN_TM_PRIV_NOOP(name) \
7397 static inline void gen_##name(DisasContext *ctx) \
7398 { \
7399 CHK_SV; \
7400 if (unlikely(!ctx->tm_enabled)) { \
7401 gen_exception_err(ctx, POWERPC_EXCP_FU, FSCR_IC_TM); \
7402 return; \
7403 } \
7404 /* \
7405 * Because tbegin always fails, the implementation is \
7406 * simple: \
7407 * \
7408 * CR[0] = 0b0 || MSR[TS] || 0b0 \
7409 * = 0b0 || 0b00 | 0b0 \
7410 */ \
7411 tcg_gen_movi_i32(cpu_crf[0], 0); \
7412 }
7413
7414 #endif
7415
7416 GEN_TM_PRIV_NOOP(treclaim);
7417 GEN_TM_PRIV_NOOP(trechkpt);
7418
7419 static inline void get_fpr(TCGv_i64 dst, int regno)
7420 {
7421 tcg_gen_ld_i64(dst, cpu_env, fpr_offset(regno));
7422 }
7423
7424 static inline void set_fpr(int regno, TCGv_i64 src)
7425 {
7426 tcg_gen_st_i64(src, cpu_env, fpr_offset(regno));
7427 }
7428
7429 static inline void get_avr64(TCGv_i64 dst, int regno, bool high)
7430 {
7431 tcg_gen_ld_i64(dst, cpu_env, avr64_offset(regno, high));
7432 }
7433
7434 static inline void set_avr64(int regno, TCGv_i64 src, bool high)
7435 {
7436 tcg_gen_st_i64(src, cpu_env, avr64_offset(regno, high));
7437 }
7438
7439 /*
7440 * Helpers for decodetree used by !function for decoding arguments.
7441 */
7442 static int times_4(DisasContext *ctx, int x)
7443 {
7444 return x * 4;
7445 }
7446
7447 /*
7448 * Helpers for trans_* functions to check for specific insns flags.
7449 * Use token pasting to ensure that we use the proper flag with the
7450 * proper variable.
7451 */
7452 #define REQUIRE_INSNS_FLAGS(CTX, NAME) \
7453 do { \
7454 if (((CTX)->insns_flags & PPC_##NAME) == 0) { \
7455 return false; \
7456 } \
7457 } while (0)
7458
7459 #define REQUIRE_INSNS_FLAGS2(CTX, NAME) \
7460 do { \
7461 if (((CTX)->insns_flags2 & PPC2_##NAME) == 0) { \
7462 return false; \
7463 } \
7464 } while (0)
7465
7466 /* Then special-case the check for 64-bit so that we elide code for ppc32. */
7467 #if TARGET_LONG_BITS == 32
7468 # define REQUIRE_64BIT(CTX) return false
7469 #else
7470 # define REQUIRE_64BIT(CTX) REQUIRE_INSNS_FLAGS(CTX, 64B)
7471 #endif
7472
7473 /*
7474 * Helpers for implementing sets of trans_* functions.
7475 * Defer the implementation of NAME to FUNC, with optional extra arguments.
7476 */
7477 #define TRANS(NAME, FUNC, ...) \
7478 static bool trans_##NAME(DisasContext *ctx, arg_##NAME *a) \
7479 { return FUNC(ctx, a, __VA_ARGS__); }
7480
7481 #define TRANS64(NAME, FUNC, ...) \
7482 static bool trans_##NAME(DisasContext *ctx, arg_##NAME *a) \
7483 { REQUIRE_64BIT(ctx); return FUNC(ctx, a, __VA_ARGS__); }
7484
7485 /* TODO: More TRANS* helpers for extra insn_flags checks. */
7486
7487
7488 #include "decode-insn32.c.inc"
7489 #include "decode-insn64.c.inc"
7490 #include "translate/fixedpoint-impl.c.inc"
7491
7492 #include "translate/fp-impl.c.inc"
7493
7494 #include "translate/vmx-impl.c.inc"
7495
7496 #include "translate/vsx-impl.c.inc"
7497 #include "translate/vector-impl.c.inc"
7498
7499 #include "translate/dfp-impl.c.inc"
7500
7501 #include "translate/spe-impl.c.inc"
7502
7503 /* Handles lfdp, lxsd, lxssp */
7504 static void gen_dform39(DisasContext *ctx)
7505 {
7506 switch (ctx->opcode & 0x3) {
7507 case 0: /* lfdp */
7508 if (ctx->insns_flags2 & PPC2_ISA205) {
7509 return gen_lfdp(ctx);
7510 }
7511 break;
7512 case 2: /* lxsd */
7513 if (ctx->insns_flags2 & PPC2_ISA300) {
7514 return gen_lxsd(ctx);
7515 }
7516 break;
7517 case 3: /* lxssp */
7518 if (ctx->insns_flags2 & PPC2_ISA300) {
7519 return gen_lxssp(ctx);
7520 }
7521 break;
7522 }
7523 return gen_invalid(ctx);
7524 }
7525
7526 /* handles stfdp, lxv, stxsd, stxssp lxvx */
7527 static void gen_dform3D(DisasContext *ctx)
7528 {
7529 if ((ctx->opcode & 3) == 1) { /* DQ-FORM */
7530 switch (ctx->opcode & 0x7) {
7531 case 1: /* lxv */
7532 if (ctx->insns_flags2 & PPC2_ISA300) {
7533 return gen_lxv(ctx);
7534 }
7535 break;
7536 case 5: /* stxv */
7537 if (ctx->insns_flags2 & PPC2_ISA300) {
7538 return gen_stxv(ctx);
7539 }
7540 break;
7541 }
7542 } else { /* DS-FORM */
7543 switch (ctx->opcode & 0x3) {
7544 case 0: /* stfdp */
7545 if (ctx->insns_flags2 & PPC2_ISA205) {
7546 return gen_stfdp(ctx);
7547 }
7548 break;
7549 case 2: /* stxsd */
7550 if (ctx->insns_flags2 & PPC2_ISA300) {
7551 return gen_stxsd(ctx);
7552 }
7553 break;
7554 case 3: /* stxssp */
7555 if (ctx->insns_flags2 & PPC2_ISA300) {
7556 return gen_stxssp(ctx);
7557 }
7558 break;
7559 }
7560 }
7561 return gen_invalid(ctx);
7562 }
7563
7564 #if defined(TARGET_PPC64)
7565 /* brd */
7566 static void gen_brd(DisasContext *ctx)
7567 {
7568 tcg_gen_bswap64_i64(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);
7569 }
7570
7571 /* brw */
7572 static void gen_brw(DisasContext *ctx)
7573 {
7574 tcg_gen_bswap64_i64(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);
7575 tcg_gen_rotli_i64(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], 32);
7576
7577 }
7578
7579 /* brh */
7580 static void gen_brh(DisasContext *ctx)
7581 {
7582 TCGv_i64 t0 = tcg_temp_new_i64();
7583 TCGv_i64 t1 = tcg_temp_new_i64();
7584 TCGv_i64 t2 = tcg_temp_new_i64();
7585
7586 tcg_gen_movi_i64(t0, 0x00ff00ff00ff00ffull);
7587 tcg_gen_shri_i64(t1, cpu_gpr[rS(ctx->opcode)], 8);
7588 tcg_gen_and_i64(t2, t1, t0);
7589 tcg_gen_and_i64(t1, cpu_gpr[rS(ctx->opcode)], t0);
7590 tcg_gen_shli_i64(t1, t1, 8);
7591 tcg_gen_or_i64(cpu_gpr[rA(ctx->opcode)], t1, t2);
7592
7593 tcg_temp_free_i64(t0);
7594 tcg_temp_free_i64(t1);
7595 tcg_temp_free_i64(t2);
7596 }
7597 #endif
7598
7599 static opcode_t opcodes[] = {
7600 #if defined(TARGET_PPC64)
7601 GEN_HANDLER_E(brd, 0x1F, 0x1B, 0x05, 0x0000F801, PPC_NONE, PPC2_ISA310),
7602 GEN_HANDLER_E(brw, 0x1F, 0x1B, 0x04, 0x0000F801, PPC_NONE, PPC2_ISA310),
7603 GEN_HANDLER_E(brh, 0x1F, 0x1B, 0x06, 0x0000F801, PPC_NONE, PPC2_ISA310),
7604 #endif
7605 GEN_HANDLER(invalid, 0x00, 0x00, 0x00, 0xFFFFFFFF, PPC_NONE),
7606 #if defined(TARGET_PPC64)
7607 GEN_HANDLER_E(cmpeqb, 0x1F, 0x00, 0x07, 0x00600000, PPC_NONE, PPC2_ISA300),
7608 #endif
7609 GEN_HANDLER_E(cmpb, 0x1F, 0x1C, 0x0F, 0x00000001, PPC_NONE, PPC2_ISA205),
7610 GEN_HANDLER_E(cmprb, 0x1F, 0x00, 0x06, 0x00400001, PPC_NONE, PPC2_ISA300),
7611 GEN_HANDLER(isel, 0x1F, 0x0F, 0xFF, 0x00000001, PPC_ISEL),
7612 GEN_HANDLER(addic, 0x0C, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
7613 GEN_HANDLER2(addic_, "addic.", 0x0D, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
7614 GEN_HANDLER(mulhw, 0x1F, 0x0B, 0x02, 0x00000400, PPC_INTEGER),
7615 GEN_HANDLER(mulhwu, 0x1F, 0x0B, 0x00, 0x00000400, PPC_INTEGER),
7616 GEN_HANDLER(mullw, 0x1F, 0x0B, 0x07, 0x00000000, PPC_INTEGER),
7617 GEN_HANDLER(mullwo, 0x1F, 0x0B, 0x17, 0x00000000, PPC_INTEGER),
7618 GEN_HANDLER(mulli, 0x07, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
7619 #if defined(TARGET_PPC64)
7620 GEN_HANDLER(mulld, 0x1F, 0x09, 0x07, 0x00000000, PPC_64B),
7621 #endif
7622 GEN_HANDLER(neg, 0x1F, 0x08, 0x03, 0x0000F800, PPC_INTEGER),
7623 GEN_HANDLER(nego, 0x1F, 0x08, 0x13, 0x0000F800, PPC_INTEGER),
7624 GEN_HANDLER(subfic, 0x08, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
7625 GEN_HANDLER2(andi_, "andi.", 0x1C, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
7626 GEN_HANDLER2(andis_, "andis.", 0x1D, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
7627 GEN_HANDLER(cntlzw, 0x1F, 0x1A, 0x00, 0x00000000, PPC_INTEGER),
7628 GEN_HANDLER_E(cnttzw, 0x1F, 0x1A, 0x10, 0x00000000, PPC_NONE, PPC2_ISA300),
7629 GEN_HANDLER_E(copy, 0x1F, 0x06, 0x18, 0x03C00001, PPC_NONE, PPC2_ISA300),
7630 GEN_HANDLER_E(cp_abort, 0x1F, 0x06, 0x1A, 0x03FFF801, PPC_NONE, PPC2_ISA300),
7631 GEN_HANDLER_E(paste, 0x1F, 0x06, 0x1C, 0x03C00000, PPC_NONE, PPC2_ISA300),
7632 GEN_HANDLER(or, 0x1F, 0x1C, 0x0D, 0x00000000, PPC_INTEGER),
7633 GEN_HANDLER(xor, 0x1F, 0x1C, 0x09, 0x00000000, PPC_INTEGER),
7634 GEN_HANDLER(ori, 0x18, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
7635 GEN_HANDLER(oris, 0x19, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
7636 GEN_HANDLER(xori, 0x1A, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
7637 GEN_HANDLER(xoris, 0x1B, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
7638 GEN_HANDLER(popcntb, 0x1F, 0x1A, 0x03, 0x0000F801, PPC_POPCNTB),
7639 GEN_HANDLER(popcntw, 0x1F, 0x1A, 0x0b, 0x0000F801, PPC_POPCNTWD),
7640 GEN_HANDLER_E(prtyw, 0x1F, 0x1A, 0x04, 0x0000F801, PPC_NONE, PPC2_ISA205),
7641 #if defined(TARGET_PPC64)
7642 GEN_HANDLER(popcntd, 0x1F, 0x1A, 0x0F, 0x0000F801, PPC_POPCNTWD),
7643 GEN_HANDLER(cntlzd, 0x1F, 0x1A, 0x01, 0x00000000, PPC_64B),
7644 GEN_HANDLER_E(cnttzd, 0x1F, 0x1A, 0x11, 0x00000000, PPC_NONE, PPC2_ISA300),
7645 GEN_HANDLER_E(darn, 0x1F, 0x13, 0x17, 0x001CF801, PPC_NONE, PPC2_ISA300),
7646 GEN_HANDLER_E(prtyd, 0x1F, 0x1A, 0x05, 0x0000F801, PPC_NONE, PPC2_ISA205),
7647 GEN_HANDLER_E(bpermd, 0x1F, 0x1C, 0x07, 0x00000001, PPC_NONE, PPC2_PERM_ISA206),
7648 #endif
7649 GEN_HANDLER(rlwimi, 0x14, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
7650 GEN_HANDLER(rlwinm, 0x15, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
7651 GEN_HANDLER(rlwnm, 0x17, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
7652 GEN_HANDLER(slw, 0x1F, 0x18, 0x00, 0x00000000, PPC_INTEGER),
7653 GEN_HANDLER(sraw, 0x1F, 0x18, 0x18, 0x00000000, PPC_INTEGER),
7654 GEN_HANDLER(srawi, 0x1F, 0x18, 0x19, 0x00000000, PPC_INTEGER),
7655 GEN_HANDLER(srw, 0x1F, 0x18, 0x10, 0x00000000, PPC_INTEGER),
7656 #if defined(TARGET_PPC64)
7657 GEN_HANDLER(sld, 0x1F, 0x1B, 0x00, 0x00000000, PPC_64B),
7658 GEN_HANDLER(srad, 0x1F, 0x1A, 0x18, 0x00000000, PPC_64B),
7659 GEN_HANDLER2(sradi0, "sradi", 0x1F, 0x1A, 0x19, 0x00000000, PPC_64B),
7660 GEN_HANDLER2(sradi1, "sradi", 0x1F, 0x1B, 0x19, 0x00000000, PPC_64B),
7661 GEN_HANDLER(srd, 0x1F, 0x1B, 0x10, 0x00000000, PPC_64B),
7662 GEN_HANDLER2_E(extswsli0, "extswsli", 0x1F, 0x1A, 0x1B, 0x00000000,
7663 PPC_NONE, PPC2_ISA300),
7664 GEN_HANDLER2_E(extswsli1, "extswsli", 0x1F, 0x1B, 0x1B, 0x00000000,
7665 PPC_NONE, PPC2_ISA300),
7666 #endif
7667 #if defined(TARGET_PPC64)
7668 GEN_HANDLER(lq, 0x38, 0xFF, 0xFF, 0x00000000, PPC_64BX),
7669 GEN_HANDLER(std, 0x3E, 0xFF, 0xFF, 0x00000000, PPC_64B),
7670 #endif
7671 /* handles lfdp, lxsd, lxssp */
7672 GEN_HANDLER_E(dform39, 0x39, 0xFF, 0xFF, 0x00000000, PPC_NONE, PPC2_ISA205),
7673 /* handles stfdp, lxv, stxsd, stxssp, stxv */
7674 GEN_HANDLER_E(dform3D, 0x3D, 0xFF, 0xFF, 0x00000000, PPC_NONE, PPC2_ISA205),
7675 GEN_HANDLER(lmw, 0x2E, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
7676 GEN_HANDLER(stmw, 0x2F, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
7677 GEN_HANDLER(lswi, 0x1F, 0x15, 0x12, 0x00000001, PPC_STRING),
7678 GEN_HANDLER(lswx, 0x1F, 0x15, 0x10, 0x00000001, PPC_STRING),
7679 GEN_HANDLER(stswi, 0x1F, 0x15, 0x16, 0x00000001, PPC_STRING),
7680 GEN_HANDLER(stswx, 0x1F, 0x15, 0x14, 0x00000001, PPC_STRING),
7681 GEN_HANDLER(eieio, 0x1F, 0x16, 0x1A, 0x01FFF801, PPC_MEM_EIEIO),
7682 GEN_HANDLER(isync, 0x13, 0x16, 0x04, 0x03FFF801, PPC_MEM),
7683 GEN_HANDLER_E(lbarx, 0x1F, 0x14, 0x01, 0, PPC_NONE, PPC2_ATOMIC_ISA206),
7684 GEN_HANDLER_E(lharx, 0x1F, 0x14, 0x03, 0, PPC_NONE, PPC2_ATOMIC_ISA206),
7685 GEN_HANDLER(lwarx, 0x1F, 0x14, 0x00, 0x00000000, PPC_RES),
7686 GEN_HANDLER_E(lwat, 0x1F, 0x06, 0x12, 0x00000001, PPC_NONE, PPC2_ISA300),
7687 GEN_HANDLER_E(stwat, 0x1F, 0x06, 0x16, 0x00000001, PPC_NONE, PPC2_ISA300),
7688 GEN_HANDLER_E(stbcx_, 0x1F, 0x16, 0x15, 0, PPC_NONE, PPC2_ATOMIC_ISA206),
7689 GEN_HANDLER_E(sthcx_, 0x1F, 0x16, 0x16, 0, PPC_NONE, PPC2_ATOMIC_ISA206),
7690 GEN_HANDLER2(stwcx_, "stwcx.", 0x1F, 0x16, 0x04, 0x00000000, PPC_RES),
7691 #if defined(TARGET_PPC64)
7692 GEN_HANDLER_E(ldat, 0x1F, 0x06, 0x13, 0x00000001, PPC_NONE, PPC2_ISA300),
7693 GEN_HANDLER_E(stdat, 0x1F, 0x06, 0x17, 0x00000001, PPC_NONE, PPC2_ISA300),
7694 GEN_HANDLER(ldarx, 0x1F, 0x14, 0x02, 0x00000000, PPC_64B),
7695 GEN_HANDLER_E(lqarx, 0x1F, 0x14, 0x08, 0, PPC_NONE, PPC2_LSQ_ISA207),
7696 GEN_HANDLER2(stdcx_, "stdcx.", 0x1F, 0x16, 0x06, 0x00000000, PPC_64B),
7697 GEN_HANDLER_E(stqcx_, 0x1F, 0x16, 0x05, 0, PPC_NONE, PPC2_LSQ_ISA207),
7698 #endif
7699 GEN_HANDLER(sync, 0x1F, 0x16, 0x12, 0x039FF801, PPC_MEM_SYNC),
7700 GEN_HANDLER(wait, 0x1F, 0x1E, 0x01, 0x03FFF801, PPC_WAIT),
7701 GEN_HANDLER_E(wait, 0x1F, 0x1E, 0x00, 0x039FF801, PPC_NONE, PPC2_ISA300),
7702 GEN_HANDLER(b, 0x12, 0xFF, 0xFF, 0x00000000, PPC_FLOW),
7703 GEN_HANDLER(bc, 0x10, 0xFF, 0xFF, 0x00000000, PPC_FLOW),
7704 GEN_HANDLER(bcctr, 0x13, 0x10, 0x10, 0x00000000, PPC_FLOW),
7705 GEN_HANDLER(bclr, 0x13, 0x10, 0x00, 0x00000000, PPC_FLOW),
7706 GEN_HANDLER_E(bctar, 0x13, 0x10, 0x11, 0x0000E000, PPC_NONE, PPC2_BCTAR_ISA207),
7707 GEN_HANDLER(mcrf, 0x13, 0x00, 0xFF, 0x00000001, PPC_INTEGER),
7708 GEN_HANDLER(rfi, 0x13, 0x12, 0x01, 0x03FF8001, PPC_FLOW),
7709 #if defined(TARGET_PPC64)
7710 GEN_HANDLER(rfid, 0x13, 0x12, 0x00, 0x03FF8001, PPC_64B),
7711 #if !defined(CONFIG_USER_ONLY)
7712 /* Top bit of opc2 corresponds with low bit of LEV, so use two handlers */
7713 GEN_HANDLER_E(scv, 0x11, 0x10, 0xFF, 0x03FFF01E, PPC_NONE, PPC2_ISA300),
7714 GEN_HANDLER_E(scv, 0x11, 0x00, 0xFF, 0x03FFF01E, PPC_NONE, PPC2_ISA300),
7715 GEN_HANDLER_E(rfscv, 0x13, 0x12, 0x02, 0x03FF8001, PPC_NONE, PPC2_ISA300),
7716 #endif
7717 GEN_HANDLER_E(stop, 0x13, 0x12, 0x0b, 0x03FFF801, PPC_NONE, PPC2_ISA300),
7718 GEN_HANDLER_E(doze, 0x13, 0x12, 0x0c, 0x03FFF801, PPC_NONE, PPC2_PM_ISA206),
7719 GEN_HANDLER_E(nap, 0x13, 0x12, 0x0d, 0x03FFF801, PPC_NONE, PPC2_PM_ISA206),
7720 GEN_HANDLER_E(sleep, 0x13, 0x12, 0x0e, 0x03FFF801, PPC_NONE, PPC2_PM_ISA206),
7721 GEN_HANDLER_E(rvwinkle, 0x13, 0x12, 0x0f, 0x03FFF801, PPC_NONE, PPC2_PM_ISA206),
7722 GEN_HANDLER(hrfid, 0x13, 0x12, 0x08, 0x03FF8001, PPC_64H),
7723 #endif
7724 /* Top bit of opc2 corresponds with low bit of LEV, so use two handlers */
7725 GEN_HANDLER(sc, 0x11, 0x11, 0xFF, 0x03FFF01D, PPC_FLOW),
7726 GEN_HANDLER(sc, 0x11, 0x01, 0xFF, 0x03FFF01D, PPC_FLOW),
7727 GEN_HANDLER(tw, 0x1F, 0x04, 0x00, 0x00000001, PPC_FLOW),
7728 GEN_HANDLER(twi, 0x03, 0xFF, 0xFF, 0x00000000, PPC_FLOW),
7729 #if defined(TARGET_PPC64)
7730 GEN_HANDLER(td, 0x1F, 0x04, 0x02, 0x00000001, PPC_64B),
7731 GEN_HANDLER(tdi, 0x02, 0xFF, 0xFF, 0x00000000, PPC_64B),
7732 #endif
7733 GEN_HANDLER(mcrxr, 0x1F, 0x00, 0x10, 0x007FF801, PPC_MISC),
7734 GEN_HANDLER(mfcr, 0x1F, 0x13, 0x00, 0x00000801, PPC_MISC),
7735 GEN_HANDLER(mfmsr, 0x1F, 0x13, 0x02, 0x001FF801, PPC_MISC),
7736 GEN_HANDLER(mfspr, 0x1F, 0x13, 0x0A, 0x00000001, PPC_MISC),
7737 GEN_HANDLER(mftb, 0x1F, 0x13, 0x0B, 0x00000001, PPC_MFTB),
7738 GEN_HANDLER(mtcrf, 0x1F, 0x10, 0x04, 0x00000801, PPC_MISC),
7739 #if defined(TARGET_PPC64)
7740 GEN_HANDLER(mtmsrd, 0x1F, 0x12, 0x05, 0x001EF801, PPC_64B),
7741 GEN_HANDLER_E(setb, 0x1F, 0x00, 0x04, 0x0003F801, PPC_NONE, PPC2_ISA300),
7742 GEN_HANDLER_E(mcrxrx, 0x1F, 0x00, 0x12, 0x007FF801, PPC_NONE, PPC2_ISA300),
7743 #endif
7744 GEN_HANDLER(mtmsr, 0x1F, 0x12, 0x04, 0x001EF801, PPC_MISC),
7745 GEN_HANDLER(mtspr, 0x1F, 0x13, 0x0E, 0x00000000, PPC_MISC),
7746 GEN_HANDLER(dcbf, 0x1F, 0x16, 0x02, 0x03C00001, PPC_CACHE),
7747 GEN_HANDLER_E(dcbfep, 0x1F, 0x1F, 0x03, 0x03C00001, PPC_NONE, PPC2_BOOKE206),
7748 GEN_HANDLER(dcbi, 0x1F, 0x16, 0x0E, 0x03E00001, PPC_CACHE),
7749 GEN_HANDLER(dcbst, 0x1F, 0x16, 0x01, 0x03E00001, PPC_CACHE),
7750 GEN_HANDLER_E(dcbstep, 0x1F, 0x1F, 0x01, 0x03E00001, PPC_NONE, PPC2_BOOKE206),
7751 GEN_HANDLER(dcbt, 0x1F, 0x16, 0x08, 0x00000001, PPC_CACHE),
7752 GEN_HANDLER_E(dcbtep, 0x1F, 0x1F, 0x09, 0x00000001, PPC_NONE, PPC2_BOOKE206),
7753 GEN_HANDLER(dcbtst, 0x1F, 0x16, 0x07, 0x00000001, PPC_CACHE),
7754 GEN_HANDLER_E(dcbtstep, 0x1F, 0x1F, 0x07, 0x00000001, PPC_NONE, PPC2_BOOKE206),
7755 GEN_HANDLER_E(dcbtls, 0x1F, 0x06, 0x05, 0x02000001, PPC_BOOKE, PPC2_BOOKE206),
7756 GEN_HANDLER(dcbz, 0x1F, 0x16, 0x1F, 0x03C00001, PPC_CACHE_DCBZ),
7757 GEN_HANDLER_E(dcbzep, 0x1F, 0x1F, 0x1F, 0x03C00001, PPC_NONE, PPC2_BOOKE206),
7758 GEN_HANDLER(dst, 0x1F, 0x16, 0x0A, 0x01800001, PPC_ALTIVEC),
7759 GEN_HANDLER(dstst, 0x1F, 0x16, 0x0B, 0x01800001, PPC_ALTIVEC),
7760 GEN_HANDLER(dss, 0x1F, 0x16, 0x19, 0x019FF801, PPC_ALTIVEC),
7761 GEN_HANDLER(icbi, 0x1F, 0x16, 0x1E, 0x03E00001, PPC_CACHE_ICBI),
7762 GEN_HANDLER_E(icbiep, 0x1F, 0x1F, 0x1E, 0x03E00001, PPC_NONE, PPC2_BOOKE206),
7763 GEN_HANDLER(dcba, 0x1F, 0x16, 0x17, 0x03E00001, PPC_CACHE_DCBA),
7764 GEN_HANDLER(mfsr, 0x1F, 0x13, 0x12, 0x0010F801, PPC_SEGMENT),
7765 GEN_HANDLER(mfsrin, 0x1F, 0x13, 0x14, 0x001F0001, PPC_SEGMENT),
7766 GEN_HANDLER(mtsr, 0x1F, 0x12, 0x06, 0x0010F801, PPC_SEGMENT),
7767 GEN_HANDLER(mtsrin, 0x1F, 0x12, 0x07, 0x001F0001, PPC_SEGMENT),
7768 #if defined(TARGET_PPC64)
7769 GEN_HANDLER2(mfsr_64b, "mfsr", 0x1F, 0x13, 0x12, 0x0010F801, PPC_SEGMENT_64B),
7770 GEN_HANDLER2(mfsrin_64b, "mfsrin", 0x1F, 0x13, 0x14, 0x001F0001,
7771 PPC_SEGMENT_64B),
7772 GEN_HANDLER2(mtsr_64b, "mtsr", 0x1F, 0x12, 0x06, 0x0010F801, PPC_SEGMENT_64B),
7773 GEN_HANDLER2(mtsrin_64b, "mtsrin", 0x1F, 0x12, 0x07, 0x001F0001,
7774 PPC_SEGMENT_64B),
7775 GEN_HANDLER2(slbmte, "slbmte", 0x1F, 0x12, 0x0C, 0x001F0001, PPC_SEGMENT_64B),
7776 GEN_HANDLER2(slbmfee, "slbmfee", 0x1F, 0x13, 0x1C, 0x001F0001, PPC_SEGMENT_64B),
7777 GEN_HANDLER2(slbmfev, "slbmfev", 0x1F, 0x13, 0x1A, 0x001F0001, PPC_SEGMENT_64B),
7778 GEN_HANDLER2(slbfee_, "slbfee.", 0x1F, 0x13, 0x1E, 0x001F0000, PPC_SEGMENT_64B),
7779 #endif
7780 GEN_HANDLER(tlbia, 0x1F, 0x12, 0x0B, 0x03FFFC01, PPC_MEM_TLBIA),
7781 /*
7782 * XXX Those instructions will need to be handled differently for
7783 * different ISA versions
7784 */
7785 GEN_HANDLER(tlbiel, 0x1F, 0x12, 0x08, 0x001F0001, PPC_MEM_TLBIE),
7786 GEN_HANDLER(tlbie, 0x1F, 0x12, 0x09, 0x001F0001, PPC_MEM_TLBIE),
7787 GEN_HANDLER_E(tlbiel, 0x1F, 0x12, 0x08, 0x00100001, PPC_NONE, PPC2_ISA300),
7788 GEN_HANDLER_E(tlbie, 0x1F, 0x12, 0x09, 0x00100001, PPC_NONE, PPC2_ISA300),
7789 GEN_HANDLER(tlbsync, 0x1F, 0x16, 0x11, 0x03FFF801, PPC_MEM_TLBSYNC),
7790 #if defined(TARGET_PPC64)
7791 GEN_HANDLER(slbia, 0x1F, 0x12, 0x0F, 0x031FFC01, PPC_SLBI),
7792 GEN_HANDLER(slbie, 0x1F, 0x12, 0x0D, 0x03FF0001, PPC_SLBI),
7793 GEN_HANDLER_E(slbieg, 0x1F, 0x12, 0x0E, 0x001F0001, PPC_NONE, PPC2_ISA300),
7794 GEN_HANDLER_E(slbsync, 0x1F, 0x12, 0x0A, 0x03FFF801, PPC_NONE, PPC2_ISA300),
7795 #endif
7796 GEN_HANDLER(eciwx, 0x1F, 0x16, 0x0D, 0x00000001, PPC_EXTERN),
7797 GEN_HANDLER(ecowx, 0x1F, 0x16, 0x09, 0x00000001, PPC_EXTERN),
7798 GEN_HANDLER(abs, 0x1F, 0x08, 0x0B, 0x0000F800, PPC_POWER_BR),
7799 GEN_HANDLER(abso, 0x1F, 0x08, 0x1B, 0x0000F800, PPC_POWER_BR),
7800 GEN_HANDLER(clcs, 0x1F, 0x10, 0x13, 0x0000F800, PPC_POWER_BR),
7801 GEN_HANDLER(div, 0x1F, 0x0B, 0x0A, 0x00000000, PPC_POWER_BR),
7802 GEN_HANDLER(divo, 0x1F, 0x0B, 0x1A, 0x00000000, PPC_POWER_BR),
7803 GEN_HANDLER(divs, 0x1F, 0x0B, 0x0B, 0x00000000, PPC_POWER_BR),
7804 GEN_HANDLER(divso, 0x1F, 0x0B, 0x1B, 0x00000000, PPC_POWER_BR),
7805 GEN_HANDLER(doz, 0x1F, 0x08, 0x08, 0x00000000, PPC_POWER_BR),
7806 GEN_HANDLER(dozo, 0x1F, 0x08, 0x18, 0x00000000, PPC_POWER_BR),
7807 GEN_HANDLER(dozi, 0x09, 0xFF, 0xFF, 0x00000000, PPC_POWER_BR),
7808 GEN_HANDLER(lscbx, 0x1F, 0x15, 0x08, 0x00000000, PPC_POWER_BR),
7809 GEN_HANDLER(maskg, 0x1F, 0x1D, 0x00, 0x00000000, PPC_POWER_BR),
7810 GEN_HANDLER(maskir, 0x1F, 0x1D, 0x10, 0x00000000, PPC_POWER_BR),
7811 GEN_HANDLER(mul, 0x1F, 0x0B, 0x03, 0x00000000, PPC_POWER_BR),
7812 GEN_HANDLER(mulo, 0x1F, 0x0B, 0x13, 0x00000000, PPC_POWER_BR),
7813 GEN_HANDLER(nabs, 0x1F, 0x08, 0x0F, 0x00000000, PPC_POWER_BR),
7814 GEN_HANDLER(nabso, 0x1F, 0x08, 0x1F, 0x00000000, PPC_POWER_BR),
7815 GEN_HANDLER(rlmi, 0x16, 0xFF, 0xFF, 0x00000000, PPC_POWER_BR),
7816 GEN_HANDLER(rrib, 0x1F, 0x19, 0x10, 0x00000000, PPC_POWER_BR),
7817 GEN_HANDLER(sle, 0x1F, 0x19, 0x04, 0x00000000, PPC_POWER_BR),
7818 GEN_HANDLER(sleq, 0x1F, 0x19, 0x06, 0x00000000, PPC_POWER_BR),
7819 GEN_HANDLER(sliq, 0x1F, 0x18, 0x05, 0x00000000, PPC_POWER_BR),
7820 GEN_HANDLER(slliq, 0x1F, 0x18, 0x07, 0x00000000, PPC_POWER_BR),
7821 GEN_HANDLER(sllq, 0x1F, 0x18, 0x06, 0x00000000, PPC_POWER_BR),
7822 GEN_HANDLER(slq, 0x1F, 0x18, 0x04, 0x00000000, PPC_POWER_BR),
7823 GEN_HANDLER(sraiq, 0x1F, 0x18, 0x1D, 0x00000000, PPC_POWER_BR),
7824 GEN_HANDLER(sraq, 0x1F, 0x18, 0x1C, 0x00000000, PPC_POWER_BR),
7825 GEN_HANDLER(sre, 0x1F, 0x19, 0x14, 0x00000000, PPC_POWER_BR),
7826 GEN_HANDLER(srea, 0x1F, 0x19, 0x1C, 0x00000000, PPC_POWER_BR),
7827 GEN_HANDLER(sreq, 0x1F, 0x19, 0x16, 0x00000000, PPC_POWER_BR),
7828 GEN_HANDLER(sriq, 0x1F, 0x18, 0x15, 0x00000000, PPC_POWER_BR),
7829 GEN_HANDLER(srliq, 0x1F, 0x18, 0x17, 0x00000000, PPC_POWER_BR),
7830 GEN_HANDLER(srlq, 0x1F, 0x18, 0x16, 0x00000000, PPC_POWER_BR),
7831 GEN_HANDLER(srq, 0x1F, 0x18, 0x14, 0x00000000, PPC_POWER_BR),
7832 GEN_HANDLER(dsa, 0x1F, 0x14, 0x13, 0x03FFF801, PPC_602_SPEC),
7833 GEN_HANDLER(esa, 0x1F, 0x14, 0x12, 0x03FFF801, PPC_602_SPEC),
7834 GEN_HANDLER(mfrom, 0x1F, 0x09, 0x08, 0x03E0F801, PPC_602_SPEC),
7835 GEN_HANDLER2(tlbld_6xx, "tlbld", 0x1F, 0x12, 0x1E, 0x03FF0001, PPC_6xx_TLB),
7836 GEN_HANDLER2(tlbli_6xx, "tlbli", 0x1F, 0x12, 0x1F, 0x03FF0001, PPC_6xx_TLB),
7837 GEN_HANDLER2(tlbld_74xx, "tlbld", 0x1F, 0x12, 0x1E, 0x03FF0001, PPC_74xx_TLB),
7838 GEN_HANDLER2(tlbli_74xx, "tlbli", 0x1F, 0x12, 0x1F, 0x03FF0001, PPC_74xx_TLB),
7839 GEN_HANDLER(clf, 0x1F, 0x16, 0x03, 0x03E00000, PPC_POWER),
7840 GEN_HANDLER(cli, 0x1F, 0x16, 0x0F, 0x03E00000, PPC_POWER),
7841 GEN_HANDLER(dclst, 0x1F, 0x16, 0x13, 0x03E00000, PPC_POWER),
7842 GEN_HANDLER(mfsri, 0x1F, 0x13, 0x13, 0x00000001, PPC_POWER),
7843 GEN_HANDLER(rac, 0x1F, 0x12, 0x19, 0x00000001, PPC_POWER),
7844 GEN_HANDLER(rfsvc, 0x13, 0x12, 0x02, 0x03FFF0001, PPC_POWER),
7845 GEN_HANDLER(lfq, 0x38, 0xFF, 0xFF, 0x00000003, PPC_POWER2),
7846 GEN_HANDLER(lfqu, 0x39, 0xFF, 0xFF, 0x00000003, PPC_POWER2),
7847 GEN_HANDLER(lfqux, 0x1F, 0x17, 0x19, 0x00000001, PPC_POWER2),
7848 GEN_HANDLER(lfqx, 0x1F, 0x17, 0x18, 0x00000001, PPC_POWER2),
7849 GEN_HANDLER(stfq, 0x3C, 0xFF, 0xFF, 0x00000003, PPC_POWER2),
7850 GEN_HANDLER(stfqu, 0x3D, 0xFF, 0xFF, 0x00000003, PPC_POWER2),
7851 GEN_HANDLER(stfqux, 0x1F, 0x17, 0x1D, 0x00000001, PPC_POWER2),
7852 GEN_HANDLER(stfqx, 0x1F, 0x17, 0x1C, 0x00000001, PPC_POWER2),
7853 GEN_HANDLER(mfapidi, 0x1F, 0x13, 0x08, 0x0000F801, PPC_MFAPIDI),
7854 GEN_HANDLER(tlbiva, 0x1F, 0x12, 0x18, 0x03FFF801, PPC_TLBIVA),
7855 GEN_HANDLER(mfdcr, 0x1F, 0x03, 0x0A, 0x00000001, PPC_DCR),
7856 GEN_HANDLER(mtdcr, 0x1F, 0x03, 0x0E, 0x00000001, PPC_DCR),
7857 GEN_HANDLER(mfdcrx, 0x1F, 0x03, 0x08, 0x00000000, PPC_DCRX),
7858 GEN_HANDLER(mtdcrx, 0x1F, 0x03, 0x0C, 0x00000000, PPC_DCRX),
7859 GEN_HANDLER(mfdcrux, 0x1F, 0x03, 0x09, 0x00000000, PPC_DCRUX),
7860 GEN_HANDLER(mtdcrux, 0x1F, 0x03, 0x0D, 0x00000000, PPC_DCRUX),
7861 GEN_HANDLER(dccci, 0x1F, 0x06, 0x0E, 0x03E00001, PPC_4xx_COMMON),
7862 GEN_HANDLER(dcread, 0x1F, 0x06, 0x0F, 0x00000001, PPC_4xx_COMMON),
7863 GEN_HANDLER2(icbt_40x, "icbt", 0x1F, 0x06, 0x08, 0x03E00001, PPC_40x_ICBT),
7864 GEN_HANDLER(iccci, 0x1F, 0x06, 0x1E, 0x00000001, PPC_4xx_COMMON),
7865 GEN_HANDLER(icread, 0x1F, 0x06, 0x1F, 0x03E00001, PPC_4xx_COMMON),
7866 GEN_HANDLER2(rfci_40x, "rfci", 0x13, 0x13, 0x01, 0x03FF8001, PPC_40x_EXCP),
7867 GEN_HANDLER_E(rfci, 0x13, 0x13, 0x01, 0x03FF8001, PPC_BOOKE, PPC2_BOOKE206),
7868 GEN_HANDLER(rfdi, 0x13, 0x07, 0x01, 0x03FF8001, PPC_RFDI),
7869 GEN_HANDLER(rfmci, 0x13, 0x06, 0x01, 0x03FF8001, PPC_RFMCI),
7870 GEN_HANDLER2(tlbre_40x, "tlbre", 0x1F, 0x12, 0x1D, 0x00000001, PPC_40x_TLB),
7871 GEN_HANDLER2(tlbsx_40x, "tlbsx", 0x1F, 0x12, 0x1C, 0x00000000, PPC_40x_TLB),
7872 GEN_HANDLER2(tlbwe_40x, "tlbwe", 0x1F, 0x12, 0x1E, 0x00000001, PPC_40x_TLB),
7873 GEN_HANDLER2(tlbre_440, "tlbre", 0x1F, 0x12, 0x1D, 0x00000001, PPC_BOOKE),
7874 GEN_HANDLER2(tlbsx_440, "tlbsx", 0x1F, 0x12, 0x1C, 0x00000000, PPC_BOOKE),
7875 GEN_HANDLER2(tlbwe_440, "tlbwe", 0x1F, 0x12, 0x1E, 0x00000001, PPC_BOOKE),
7876 GEN_HANDLER2_E(tlbre_booke206, "tlbre", 0x1F, 0x12, 0x1D, 0x00000001,
7877 PPC_NONE, PPC2_BOOKE206),
7878 GEN_HANDLER2_E(tlbsx_booke206, "tlbsx", 0x1F, 0x12, 0x1C, 0x00000000,
7879 PPC_NONE, PPC2_BOOKE206),
7880 GEN_HANDLER2_E(tlbwe_booke206, "tlbwe", 0x1F, 0x12, 0x1E, 0x00000001,
7881 PPC_NONE, PPC2_BOOKE206),
7882 GEN_HANDLER2_E(tlbivax_booke206, "tlbivax", 0x1F, 0x12, 0x18, 0x00000001,
7883 PPC_NONE, PPC2_BOOKE206),
7884 GEN_HANDLER2_E(tlbilx_booke206, "tlbilx", 0x1F, 0x12, 0x00, 0x03800001,
7885 PPC_NONE, PPC2_BOOKE206),
7886 GEN_HANDLER2_E(msgsnd, "msgsnd", 0x1F, 0x0E, 0x06, 0x03ff0001,
7887 PPC_NONE, PPC2_PRCNTL),
7888 GEN_HANDLER2_E(msgclr, "msgclr", 0x1F, 0x0E, 0x07, 0x03ff0001,
7889 PPC_NONE, PPC2_PRCNTL),
7890 GEN_HANDLER2_E(msgsync, "msgsync", 0x1F, 0x16, 0x1B, 0x00000000,
7891 PPC_NONE, PPC2_PRCNTL),
7892 GEN_HANDLER(wrtee, 0x1F, 0x03, 0x04, 0x000FFC01, PPC_WRTEE),
7893 GEN_HANDLER(wrteei, 0x1F, 0x03, 0x05, 0x000E7C01, PPC_WRTEE),
7894 GEN_HANDLER(dlmzb, 0x1F, 0x0E, 0x02, 0x00000000, PPC_440_SPEC),
7895 GEN_HANDLER_E(mbar, 0x1F, 0x16, 0x1a, 0x001FF801,
7896 PPC_BOOKE, PPC2_BOOKE206),
7897 GEN_HANDLER(msync_4xx, 0x1F, 0x16, 0x12, 0x039FF801, PPC_BOOKE),
7898 GEN_HANDLER2_E(icbt_440, "icbt", 0x1F, 0x16, 0x00, 0x03E00001,
7899 PPC_BOOKE, PPC2_BOOKE206),
7900 GEN_HANDLER2(icbt_440, "icbt", 0x1F, 0x06, 0x08, 0x03E00001,
7901 PPC_440_SPEC),
7902 GEN_HANDLER(lvsl, 0x1f, 0x06, 0x00, 0x00000001, PPC_ALTIVEC),
7903 GEN_HANDLER(lvsr, 0x1f, 0x06, 0x01, 0x00000001, PPC_ALTIVEC),
7904 GEN_HANDLER(mfvscr, 0x04, 0x2, 0x18, 0x001ff800, PPC_ALTIVEC),
7905 GEN_HANDLER(mtvscr, 0x04, 0x2, 0x19, 0x03ff0000, PPC_ALTIVEC),
7906 GEN_HANDLER(vmladduhm, 0x04, 0x11, 0xFF, 0x00000000, PPC_ALTIVEC),
7907 #if defined(TARGET_PPC64)
7908 GEN_HANDLER_E(maddhd_maddhdu, 0x04, 0x18, 0xFF, 0x00000000, PPC_NONE,
7909 PPC2_ISA300),
7910 GEN_HANDLER_E(maddld, 0x04, 0x19, 0xFF, 0x00000000, PPC_NONE, PPC2_ISA300),
7911 GEN_HANDLER2_E(msgsndp, "msgsndp", 0x1F, 0x0E, 0x04, 0x03ff0001,
7912 PPC_NONE, PPC2_ISA207S),
7913 GEN_HANDLER2_E(msgclrp, "msgclrp", 0x1F, 0x0E, 0x05, 0x03ff0001,
7914 PPC_NONE, PPC2_ISA207S),
7915 #endif
7916
7917 #undef GEN_INT_ARITH_ADD
7918 #undef GEN_INT_ARITH_ADD_CONST
7919 #define GEN_INT_ARITH_ADD(name, opc3, add_ca, compute_ca, compute_ov) \
7920 GEN_HANDLER(name, 0x1F, 0x0A, opc3, 0x00000000, PPC_INTEGER),
7921 #define GEN_INT_ARITH_ADD_CONST(name, opc3, const_val, \
7922 add_ca, compute_ca, compute_ov) \
7923 GEN_HANDLER(name, 0x1F, 0x0A, opc3, 0x0000F800, PPC_INTEGER),
7924 GEN_INT_ARITH_ADD(add, 0x08, 0, 0, 0)
7925 GEN_INT_ARITH_ADD(addo, 0x18, 0, 0, 1)
7926 GEN_INT_ARITH_ADD(addc, 0x00, 0, 1, 0)
7927 GEN_INT_ARITH_ADD(addco, 0x10, 0, 1, 1)
7928 GEN_INT_ARITH_ADD(adde, 0x04, 1, 1, 0)
7929 GEN_INT_ARITH_ADD(addeo, 0x14, 1, 1, 1)
7930 GEN_INT_ARITH_ADD_CONST(addme, 0x07, -1LL, 1, 1, 0)
7931 GEN_INT_ARITH_ADD_CONST(addmeo, 0x17, -1LL, 1, 1, 1)
7932 GEN_HANDLER_E(addex, 0x1F, 0x0A, 0x05, 0x00000000, PPC_NONE, PPC2_ISA300),
7933 GEN_INT_ARITH_ADD_CONST(addze, 0x06, 0, 1, 1, 0)
7934 GEN_INT_ARITH_ADD_CONST(addzeo, 0x16, 0, 1, 1, 1)
7935
7936 #undef GEN_INT_ARITH_DIVW
7937 #define GEN_INT_ARITH_DIVW(name, opc3, sign, compute_ov) \
7938 GEN_HANDLER(name, 0x1F, 0x0B, opc3, 0x00000000, PPC_INTEGER)
7939 GEN_INT_ARITH_DIVW(divwu, 0x0E, 0, 0),
7940 GEN_INT_ARITH_DIVW(divwuo, 0x1E, 0, 1),
7941 GEN_INT_ARITH_DIVW(divw, 0x0F, 1, 0),
7942 GEN_INT_ARITH_DIVW(divwo, 0x1F, 1, 1),
7943 GEN_HANDLER_E(divwe, 0x1F, 0x0B, 0x0D, 0, PPC_NONE, PPC2_DIVE_ISA206),
7944 GEN_HANDLER_E(divweo, 0x1F, 0x0B, 0x1D, 0, PPC_NONE, PPC2_DIVE_ISA206),
7945 GEN_HANDLER_E(divweu, 0x1F, 0x0B, 0x0C, 0, PPC_NONE, PPC2_DIVE_ISA206),
7946 GEN_HANDLER_E(divweuo, 0x1F, 0x0B, 0x1C, 0, PPC_NONE, PPC2_DIVE_ISA206),
7947 GEN_HANDLER_E(modsw, 0x1F, 0x0B, 0x18, 0x00000001, PPC_NONE, PPC2_ISA300),
7948 GEN_HANDLER_E(moduw, 0x1F, 0x0B, 0x08, 0x00000001, PPC_NONE, PPC2_ISA300),
7949
7950 #if defined(TARGET_PPC64)
7951 #undef GEN_INT_ARITH_DIVD
7952 #define GEN_INT_ARITH_DIVD(name, opc3, sign, compute_ov) \
7953 GEN_HANDLER(name, 0x1F, 0x09, opc3, 0x00000000, PPC_64B)
7954 GEN_INT_ARITH_DIVD(divdu, 0x0E, 0, 0),
7955 GEN_INT_ARITH_DIVD(divduo, 0x1E, 0, 1),
7956 GEN_INT_ARITH_DIVD(divd, 0x0F, 1, 0),
7957 GEN_INT_ARITH_DIVD(divdo, 0x1F, 1, 1),
7958
7959 GEN_HANDLER_E(divdeu, 0x1F, 0x09, 0x0C, 0, PPC_NONE, PPC2_DIVE_ISA206),
7960 GEN_HANDLER_E(divdeuo, 0x1F, 0x09, 0x1C, 0, PPC_NONE, PPC2_DIVE_ISA206),
7961 GEN_HANDLER_E(divde, 0x1F, 0x09, 0x0D, 0, PPC_NONE, PPC2_DIVE_ISA206),
7962 GEN_HANDLER_E(divdeo, 0x1F, 0x09, 0x1D, 0, PPC_NONE, PPC2_DIVE_ISA206),
7963 GEN_HANDLER_E(modsd, 0x1F, 0x09, 0x18, 0x00000001, PPC_NONE, PPC2_ISA300),
7964 GEN_HANDLER_E(modud, 0x1F, 0x09, 0x08, 0x00000001, PPC_NONE, PPC2_ISA300),
7965
7966 #undef GEN_INT_ARITH_MUL_HELPER
7967 #define GEN_INT_ARITH_MUL_HELPER(name, opc3) \
7968 GEN_HANDLER(name, 0x1F, 0x09, opc3, 0x00000000, PPC_64B)
7969 GEN_INT_ARITH_MUL_HELPER(mulhdu, 0x00),
7970 GEN_INT_ARITH_MUL_HELPER(mulhd, 0x02),
7971 GEN_INT_ARITH_MUL_HELPER(mulldo, 0x17),
7972 #endif
7973
7974 #undef GEN_INT_ARITH_SUBF
7975 #undef GEN_INT_ARITH_SUBF_CONST
7976 #define GEN_INT_ARITH_SUBF(name, opc3, add_ca, compute_ca, compute_ov) \
7977 GEN_HANDLER(name, 0x1F, 0x08, opc3, 0x00000000, PPC_INTEGER),
7978 #define GEN_INT_ARITH_SUBF_CONST(name, opc3, const_val, \
7979 add_ca, compute_ca, compute_ov) \
7980 GEN_HANDLER(name, 0x1F, 0x08, opc3, 0x0000F800, PPC_INTEGER),
7981 GEN_INT_ARITH_SUBF(subf, 0x01, 0, 0, 0)
7982 GEN_INT_ARITH_SUBF(subfo, 0x11, 0, 0, 1)
7983 GEN_INT_ARITH_SUBF(subfc, 0x00, 0, 1, 0)
7984 GEN_INT_ARITH_SUBF(subfco, 0x10, 0, 1, 1)
7985 GEN_INT_ARITH_SUBF(subfe, 0x04, 1, 1, 0)
7986 GEN_INT_ARITH_SUBF(subfeo, 0x14, 1, 1, 1)
7987 GEN_INT_ARITH_SUBF_CONST(subfme, 0x07, -1LL, 1, 1, 0)
7988 GEN_INT_ARITH_SUBF_CONST(subfmeo, 0x17, -1LL, 1, 1, 1)
7989 GEN_INT_ARITH_SUBF_CONST(subfze, 0x06, 0, 1, 1, 0)
7990 GEN_INT_ARITH_SUBF_CONST(subfzeo, 0x16, 0, 1, 1, 1)
7991
7992 #undef GEN_LOGICAL1
7993 #undef GEN_LOGICAL2
7994 #define GEN_LOGICAL2(name, tcg_op, opc, type) \
7995 GEN_HANDLER(name, 0x1F, 0x1C, opc, 0x00000000, type)
7996 #define GEN_LOGICAL1(name, tcg_op, opc, type) \
7997 GEN_HANDLER(name, 0x1F, 0x1A, opc, 0x00000000, type)
7998 GEN_LOGICAL2(and, tcg_gen_and_tl, 0x00, PPC_INTEGER),
7999 GEN_LOGICAL2(andc, tcg_gen_andc_tl, 0x01, PPC_INTEGER),
8000 GEN_LOGICAL2(eqv, tcg_gen_eqv_tl, 0x08, PPC_INTEGER),
8001 GEN_LOGICAL1(extsb, tcg_gen_ext8s_tl, 0x1D, PPC_INTEGER),
8002 GEN_LOGICAL1(extsh, tcg_gen_ext16s_tl, 0x1C, PPC_INTEGER),
8003 GEN_LOGICAL2(nand, tcg_gen_nand_tl, 0x0E, PPC_INTEGER),
8004 GEN_LOGICAL2(nor, tcg_gen_nor_tl, 0x03, PPC_INTEGER),
8005 GEN_LOGICAL2(orc, tcg_gen_orc_tl, 0x0C, PPC_INTEGER),
8006 #if defined(TARGET_PPC64)
8007 GEN_LOGICAL1(extsw, tcg_gen_ext32s_tl, 0x1E, PPC_64B),
8008 #endif
8009
8010 #if defined(TARGET_PPC64)
8011 #undef GEN_PPC64_R2
8012 #undef GEN_PPC64_R4
8013 #define GEN_PPC64_R2(name, opc1, opc2) \
8014 GEN_HANDLER2(name##0, stringify(name), opc1, opc2, 0xFF, 0x00000000, PPC_64B),\
8015 GEN_HANDLER2(name##1, stringify(name), opc1, opc2 | 0x10, 0xFF, 0x00000000, \
8016 PPC_64B)
8017 #define GEN_PPC64_R4(name, opc1, opc2) \
8018 GEN_HANDLER2(name##0, stringify(name), opc1, opc2, 0xFF, 0x00000000, PPC_64B),\
8019 GEN_HANDLER2(name##1, stringify(name), opc1, opc2 | 0x01, 0xFF, 0x00000000, \
8020 PPC_64B), \
8021 GEN_HANDLER2(name##2, stringify(name), opc1, opc2 | 0x10, 0xFF, 0x00000000, \
8022 PPC_64B), \
8023 GEN_HANDLER2(name##3, stringify(name), opc1, opc2 | 0x11, 0xFF, 0x00000000, \
8024 PPC_64B)
8025 GEN_PPC64_R4(rldicl, 0x1E, 0x00),
8026 GEN_PPC64_R4(rldicr, 0x1E, 0x02),
8027 GEN_PPC64_R4(rldic, 0x1E, 0x04),
8028 GEN_PPC64_R2(rldcl, 0x1E, 0x08),
8029 GEN_PPC64_R2(rldcr, 0x1E, 0x09),
8030 GEN_PPC64_R4(rldimi, 0x1E, 0x06),
8031 #endif
8032
8033 #undef GEN_LDX_E
8034 #define GEN_LDX_E(name, ldop, opc2, opc3, type, type2, chk) \
8035 GEN_HANDLER_E(name##x, 0x1F, opc2, opc3, 0x00000001, type, type2),
8036
8037 #if defined(TARGET_PPC64)
8038 GEN_LDX_E(ldbr, ld64ur_i64, 0x14, 0x10, PPC_NONE, PPC2_DBRX, CHK_NONE)
8039
8040 /* HV/P7 and later only */
8041 GEN_LDX_HVRM(ldcix, ld64_i64, 0x15, 0x1b, PPC_CILDST)
8042 GEN_LDX_HVRM(lwzcix, ld32u, 0x15, 0x18, PPC_CILDST)
8043 GEN_LDX_HVRM(lhzcix, ld16u, 0x15, 0x19, PPC_CILDST)
8044 GEN_LDX_HVRM(lbzcix, ld8u, 0x15, 0x1a, PPC_CILDST)
8045 #endif
8046 GEN_LDX(lhbr, ld16ur, 0x16, 0x18, PPC_INTEGER)
8047 GEN_LDX(lwbr, ld32ur, 0x16, 0x10, PPC_INTEGER)
8048
8049 /* External PID based load */
8050 #undef GEN_LDEPX
8051 #define GEN_LDEPX(name, ldop, opc2, opc3) \
8052 GEN_HANDLER_E(name##epx, 0x1F, opc2, opc3, \
8053 0x00000001, PPC_NONE, PPC2_BOOKE206),
8054
8055 GEN_LDEPX(lb, DEF_MEMOP(MO_UB), 0x1F, 0x02)
8056 GEN_LDEPX(lh, DEF_MEMOP(MO_UW), 0x1F, 0x08)
8057 GEN_LDEPX(lw, DEF_MEMOP(MO_UL), 0x1F, 0x00)
8058 #if defined(TARGET_PPC64)
8059 GEN_LDEPX(ld, DEF_MEMOP(MO_Q), 0x1D, 0x00)
8060 #endif
8061
8062 #undef GEN_STX_E
8063 #define GEN_STX_E(name, stop, opc2, opc3, type, type2, chk) \
8064 GEN_HANDLER_E(name##x, 0x1F, opc2, opc3, 0x00000000, type, type2),
8065
8066 #if defined(TARGET_PPC64)
8067 GEN_STX_E(stdbr, st64r_i64, 0x14, 0x14, PPC_NONE, PPC2_DBRX, CHK_NONE)
8068 GEN_STX_HVRM(stdcix, st64_i64, 0x15, 0x1f, PPC_CILDST)
8069 GEN_STX_HVRM(stwcix, st32, 0x15, 0x1c, PPC_CILDST)
8070 GEN_STX_HVRM(sthcix, st16, 0x15, 0x1d, PPC_CILDST)
8071 GEN_STX_HVRM(stbcix, st8, 0x15, 0x1e, PPC_CILDST)
8072 #endif
8073 GEN_STX(sthbr, st16r, 0x16, 0x1C, PPC_INTEGER)
8074 GEN_STX(stwbr, st32r, 0x16, 0x14, PPC_INTEGER)
8075
8076 #undef GEN_STEPX
8077 #define GEN_STEPX(name, ldop, opc2, opc3) \
8078 GEN_HANDLER_E(name##epx, 0x1F, opc2, opc3, \
8079 0x00000001, PPC_NONE, PPC2_BOOKE206),
8080
8081 GEN_STEPX(stb, DEF_MEMOP(MO_UB), 0x1F, 0x06)
8082 GEN_STEPX(sth, DEF_MEMOP(MO_UW), 0x1F, 0x0C)
8083 GEN_STEPX(stw, DEF_MEMOP(MO_UL), 0x1F, 0x04)
8084 #if defined(TARGET_PPC64)
8085 GEN_STEPX(std, DEF_MEMOP(MO_Q), 0x1D, 0x04)
8086 #endif
8087
8088 #undef GEN_CRLOGIC
8089 #define GEN_CRLOGIC(name, tcg_op, opc) \
8090 GEN_HANDLER(name, 0x13, 0x01, opc, 0x00000001, PPC_INTEGER)
8091 GEN_CRLOGIC(crand, tcg_gen_and_i32, 0x08),
8092 GEN_CRLOGIC(crandc, tcg_gen_andc_i32, 0x04),
8093 GEN_CRLOGIC(creqv, tcg_gen_eqv_i32, 0x09),
8094 GEN_CRLOGIC(crnand, tcg_gen_nand_i32, 0x07),
8095 GEN_CRLOGIC(crnor, tcg_gen_nor_i32, 0x01),
8096 GEN_CRLOGIC(cror, tcg_gen_or_i32, 0x0E),
8097 GEN_CRLOGIC(crorc, tcg_gen_orc_i32, 0x0D),
8098 GEN_CRLOGIC(crxor, tcg_gen_xor_i32, 0x06),
8099
8100 #undef GEN_MAC_HANDLER
8101 #define GEN_MAC_HANDLER(name, opc2, opc3) \
8102 GEN_HANDLER(name, 0x04, opc2, opc3, 0x00000000, PPC_405_MAC)
8103 GEN_MAC_HANDLER(macchw, 0x0C, 0x05),
8104 GEN_MAC_HANDLER(macchwo, 0x0C, 0x15),
8105 GEN_MAC_HANDLER(macchws, 0x0C, 0x07),
8106 GEN_MAC_HANDLER(macchwso, 0x0C, 0x17),
8107 GEN_MAC_HANDLER(macchwsu, 0x0C, 0x06),
8108 GEN_MAC_HANDLER(macchwsuo, 0x0C, 0x16),
8109 GEN_MAC_HANDLER(macchwu, 0x0C, 0x04),
8110 GEN_MAC_HANDLER(macchwuo, 0x0C, 0x14),
8111 GEN_MAC_HANDLER(machhw, 0x0C, 0x01),
8112 GEN_MAC_HANDLER(machhwo, 0x0C, 0x11),
8113 GEN_MAC_HANDLER(machhws, 0x0C, 0x03),
8114 GEN_MAC_HANDLER(machhwso, 0x0C, 0x13),
8115 GEN_MAC_HANDLER(machhwsu, 0x0C, 0x02),
8116 GEN_MAC_HANDLER(machhwsuo, 0x0C, 0x12),
8117 GEN_MAC_HANDLER(machhwu, 0x0C, 0x00),
8118 GEN_MAC_HANDLER(machhwuo, 0x0C, 0x10),
8119 GEN_MAC_HANDLER(maclhw, 0x0C, 0x0D),
8120 GEN_MAC_HANDLER(maclhwo, 0x0C, 0x1D),
8121 GEN_MAC_HANDLER(maclhws, 0x0C, 0x0F),
8122 GEN_MAC_HANDLER(maclhwso, 0x0C, 0x1F),
8123 GEN_MAC_HANDLER(maclhwu, 0x0C, 0x0C),
8124 GEN_MAC_HANDLER(maclhwuo, 0x0C, 0x1C),
8125 GEN_MAC_HANDLER(maclhwsu, 0x0C, 0x0E),
8126 GEN_MAC_HANDLER(maclhwsuo, 0x0C, 0x1E),
8127 GEN_MAC_HANDLER(nmacchw, 0x0E, 0x05),
8128 GEN_MAC_HANDLER(nmacchwo, 0x0E, 0x15),
8129 GEN_MAC_HANDLER(nmacchws, 0x0E, 0x07),
8130 GEN_MAC_HANDLER(nmacchwso, 0x0E, 0x17),
8131 GEN_MAC_HANDLER(nmachhw, 0x0E, 0x01),
8132 GEN_MAC_HANDLER(nmachhwo, 0x0E, 0x11),
8133 GEN_MAC_HANDLER(nmachhws, 0x0E, 0x03),
8134 GEN_MAC_HANDLER(nmachhwso, 0x0E, 0x13),
8135 GEN_MAC_HANDLER(nmaclhw, 0x0E, 0x0D),
8136 GEN_MAC_HANDLER(nmaclhwo, 0x0E, 0x1D),
8137 GEN_MAC_HANDLER(nmaclhws, 0x0E, 0x0F),
8138 GEN_MAC_HANDLER(nmaclhwso, 0x0E, 0x1F),
8139 GEN_MAC_HANDLER(mulchw, 0x08, 0x05),
8140 GEN_MAC_HANDLER(mulchwu, 0x08, 0x04),
8141 GEN_MAC_HANDLER(mulhhw, 0x08, 0x01),
8142 GEN_MAC_HANDLER(mulhhwu, 0x08, 0x00),
8143 GEN_MAC_HANDLER(mullhw, 0x08, 0x0D),
8144 GEN_MAC_HANDLER(mullhwu, 0x08, 0x0C),
8145
8146 GEN_HANDLER2_E(tbegin, "tbegin", 0x1F, 0x0E, 0x14, 0x01DFF800, \
8147 PPC_NONE, PPC2_TM),
8148 GEN_HANDLER2_E(tend, "tend", 0x1F, 0x0E, 0x15, 0x01FFF800, \
8149 PPC_NONE, PPC2_TM),
8150 GEN_HANDLER2_E(tabort, "tabort", 0x1F, 0x0E, 0x1C, 0x03E0F800, \
8151 PPC_NONE, PPC2_TM),
8152 GEN_HANDLER2_E(tabortwc, "tabortwc", 0x1F, 0x0E, 0x18, 0x00000000, \
8153 PPC_NONE, PPC2_TM),
8154 GEN_HANDLER2_E(tabortwci, "tabortwci", 0x1F, 0x0E, 0x1A, 0x00000000, \
8155 PPC_NONE, PPC2_TM),
8156 GEN_HANDLER2_E(tabortdc, "tabortdc", 0x1F, 0x0E, 0x19, 0x00000000, \
8157 PPC_NONE, PPC2_TM),
8158 GEN_HANDLER2_E(tabortdci, "tabortdci", 0x1F, 0x0E, 0x1B, 0x00000000, \
8159 PPC_NONE, PPC2_TM),
8160 GEN_HANDLER2_E(tsr, "tsr", 0x1F, 0x0E, 0x17, 0x03DFF800, \
8161 PPC_NONE, PPC2_TM),
8162 GEN_HANDLER2_E(tcheck, "tcheck", 0x1F, 0x0E, 0x16, 0x007FF800, \
8163 PPC_NONE, PPC2_TM),
8164 GEN_HANDLER2_E(treclaim, "treclaim", 0x1F, 0x0E, 0x1D, 0x03E0F800, \
8165 PPC_NONE, PPC2_TM),
8166 GEN_HANDLER2_E(trechkpt, "trechkpt", 0x1F, 0x0E, 0x1F, 0x03FFF800, \
8167 PPC_NONE, PPC2_TM),
8168
8169 #include "translate/fp-ops.c.inc"
8170
8171 #include "translate/vmx-ops.c.inc"
8172
8173 #include "translate/vsx-ops.c.inc"
8174
8175 #include "translate/dfp-ops.c.inc"
8176
8177 #include "translate/spe-ops.c.inc"
8178 };
8179
8180 /*****************************************************************************/
8181 /* Opcode types */
8182 enum {
8183 PPC_DIRECT = 0, /* Opcode routine */
8184 PPC_INDIRECT = 1, /* Indirect opcode table */
8185 };
8186
8187 #define PPC_OPCODE_MASK 0x3
8188
8189 static inline int is_indirect_opcode(void *handler)
8190 {
8191 return ((uintptr_t)handler & PPC_OPCODE_MASK) == PPC_INDIRECT;
8192 }
8193
8194 static inline opc_handler_t **ind_table(void *handler)
8195 {
8196 return (opc_handler_t **)((uintptr_t)handler & ~PPC_OPCODE_MASK);
8197 }
8198
8199 /* Instruction table creation */
8200 /* Opcodes tables creation */
8201 static void fill_new_table(opc_handler_t **table, int len)
8202 {
8203 int i;
8204
8205 for (i = 0; i < len; i++) {
8206 table[i] = &invalid_handler;
8207 }
8208 }
8209
8210 static int create_new_table(opc_handler_t **table, unsigned char idx)
8211 {
8212 opc_handler_t **tmp;
8213
8214 tmp = g_new(opc_handler_t *, PPC_CPU_INDIRECT_OPCODES_LEN);
8215 fill_new_table(tmp, PPC_CPU_INDIRECT_OPCODES_LEN);
8216 table[idx] = (opc_handler_t *)((uintptr_t)tmp | PPC_INDIRECT);
8217
8218 return 0;
8219 }
8220
8221 static int insert_in_table(opc_handler_t **table, unsigned char idx,
8222 opc_handler_t *handler)
8223 {
8224 if (table[idx] != &invalid_handler) {
8225 return -1;
8226 }
8227 table[idx] = handler;
8228
8229 return 0;
8230 }
8231
8232 static int register_direct_insn(opc_handler_t **ppc_opcodes,
8233 unsigned char idx, opc_handler_t *handler)
8234 {
8235 if (insert_in_table(ppc_opcodes, idx, handler) < 0) {
8236 printf("*** ERROR: opcode %02x already assigned in main "
8237 "opcode table\n", idx);
8238 return -1;
8239 }
8240
8241 return 0;
8242 }
8243
8244 static int register_ind_in_table(opc_handler_t **table,
8245 unsigned char idx1, unsigned char idx2,
8246 opc_handler_t *handler)
8247 {
8248 if (table[idx1] == &invalid_handler) {
8249 if (create_new_table(table, idx1) < 0) {
8250 printf("*** ERROR: unable to create indirect table "
8251 "idx=%02x\n", idx1);
8252 return -1;
8253 }
8254 } else {
8255 if (!is_indirect_opcode(table[idx1])) {
8256 printf("*** ERROR: idx %02x already assigned to a direct "
8257 "opcode\n", idx1);
8258 return -1;
8259 }
8260 }
8261 if (handler != NULL &&
8262 insert_in_table(ind_table(table[idx1]), idx2, handler) < 0) {
8263 printf("*** ERROR: opcode %02x already assigned in "
8264 "opcode table %02x\n", idx2, idx1);
8265 return -1;
8266 }
8267
8268 return 0;
8269 }
8270
8271 static int register_ind_insn(opc_handler_t **ppc_opcodes,
8272 unsigned char idx1, unsigned char idx2,
8273 opc_handler_t *handler)
8274 {
8275 return register_ind_in_table(ppc_opcodes, idx1, idx2, handler);
8276 }
8277
8278 static int register_dblind_insn(opc_handler_t **ppc_opcodes,
8279 unsigned char idx1, unsigned char idx2,
8280 unsigned char idx3, opc_handler_t *handler)
8281 {
8282 if (register_ind_in_table(ppc_opcodes, idx1, idx2, NULL) < 0) {
8283 printf("*** ERROR: unable to join indirect table idx "
8284 "[%02x-%02x]\n", idx1, idx2);
8285 return -1;
8286 }
8287 if (register_ind_in_table(ind_table(ppc_opcodes[idx1]), idx2, idx3,
8288 handler) < 0) {
8289 printf("*** ERROR: unable to insert opcode "
8290 "[%02x-%02x-%02x]\n", idx1, idx2, idx3);
8291 return -1;
8292 }
8293
8294 return 0;
8295 }
8296
8297 static int register_trplind_insn(opc_handler_t **ppc_opcodes,
8298 unsigned char idx1, unsigned char idx2,
8299 unsigned char idx3, unsigned char idx4,
8300 opc_handler_t *handler)
8301 {
8302 opc_handler_t **table;
8303
8304 if (register_ind_in_table(ppc_opcodes, idx1, idx2, NULL) < 0) {
8305 printf("*** ERROR: unable to join indirect table idx "
8306 "[%02x-%02x]\n", idx1, idx2);
8307 return -1;
8308 }
8309 table = ind_table(ppc_opcodes[idx1]);
8310 if (register_ind_in_table(table, idx2, idx3, NULL) < 0) {
8311 printf("*** ERROR: unable to join 2nd-level indirect table idx "
8312 "[%02x-%02x-%02x]\n", idx1, idx2, idx3);
8313 return -1;
8314 }
8315 table = ind_table(table[idx2]);
8316 if (register_ind_in_table(table, idx3, idx4, handler) < 0) {
8317 printf("*** ERROR: unable to insert opcode "
8318 "[%02x-%02x-%02x-%02x]\n", idx1, idx2, idx3, idx4);
8319 return -1;
8320 }
8321 return 0;
8322 }
8323 static int register_insn(opc_handler_t **ppc_opcodes, opcode_t *insn)
8324 {
8325 if (insn->opc2 != 0xFF) {
8326 if (insn->opc3 != 0xFF) {
8327 if (insn->opc4 != 0xFF) {
8328 if (register_trplind_insn(ppc_opcodes, insn->opc1, insn->opc2,
8329 insn->opc3, insn->opc4,
8330 &insn->handler) < 0) {
8331 return -1;
8332 }
8333 } else {
8334 if (register_dblind_insn(ppc_opcodes, insn->opc1, insn->opc2,
8335 insn->opc3, &insn->handler) < 0) {
8336 return -1;
8337 }
8338 }
8339 } else {
8340 if (register_ind_insn(ppc_opcodes, insn->opc1,
8341 insn->opc2, &insn->handler) < 0) {
8342 return -1;
8343 }
8344 }
8345 } else {
8346 if (register_direct_insn(ppc_opcodes, insn->opc1, &insn->handler) < 0) {
8347 return -1;
8348 }
8349 }
8350
8351 return 0;
8352 }
8353
8354 static int test_opcode_table(opc_handler_t **table, int len)
8355 {
8356 int i, count, tmp;
8357
8358 for (i = 0, count = 0; i < len; i++) {
8359 /* Consistency fixup */
8360 if (table[i] == NULL) {
8361 table[i] = &invalid_handler;
8362 }
8363 if (table[i] != &invalid_handler) {
8364 if (is_indirect_opcode(table[i])) {
8365 tmp = test_opcode_table(ind_table(table[i]),
8366 PPC_CPU_INDIRECT_OPCODES_LEN);
8367 if (tmp == 0) {
8368 free(table[i]);
8369 table[i] = &invalid_handler;
8370 } else {
8371 count++;
8372 }
8373 } else {
8374 count++;
8375 }
8376 }
8377 }
8378
8379 return count;
8380 }
8381
8382 static void fix_opcode_tables(opc_handler_t **ppc_opcodes)
8383 {
8384 if (test_opcode_table(ppc_opcodes, PPC_CPU_OPCODES_LEN) == 0) {
8385 printf("*** WARNING: no opcode defined !\n");
8386 }
8387 }
8388
8389 /*****************************************************************************/
8390 void create_ppc_opcodes(PowerPCCPU *cpu, Error **errp)
8391 {
8392 PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cpu);
8393 opcode_t *opc;
8394
8395 fill_new_table(cpu->opcodes, PPC_CPU_OPCODES_LEN);
8396 for (opc = opcodes; opc < &opcodes[ARRAY_SIZE(opcodes)]; opc++) {
8397 if (((opc->handler.type & pcc->insns_flags) != 0) ||
8398 ((opc->handler.type2 & pcc->insns_flags2) != 0)) {
8399 if (register_insn(cpu->opcodes, opc) < 0) {
8400 error_setg(errp, "ERROR initializing PowerPC instruction "
8401 "0x%02x 0x%02x 0x%02x", opc->opc1, opc->opc2,
8402 opc->opc3);
8403 return;
8404 }
8405 }
8406 }
8407 fix_opcode_tables(cpu->opcodes);
8408 fflush(stdout);
8409 fflush(stderr);
8410 }
8411
8412 void destroy_ppc_opcodes(PowerPCCPU *cpu)
8413 {
8414 opc_handler_t **table, **table_2;
8415 int i, j, k;
8416
8417 for (i = 0; i < PPC_CPU_OPCODES_LEN; i++) {
8418 if (cpu->opcodes[i] == &invalid_handler) {
8419 continue;
8420 }
8421 if (is_indirect_opcode(cpu->opcodes[i])) {
8422 table = ind_table(cpu->opcodes[i]);
8423 for (j = 0; j < PPC_CPU_INDIRECT_OPCODES_LEN; j++) {
8424 if (table[j] == &invalid_handler) {
8425 continue;
8426 }
8427 if (is_indirect_opcode(table[j])) {
8428 table_2 = ind_table(table[j]);
8429 for (k = 0; k < PPC_CPU_INDIRECT_OPCODES_LEN; k++) {
8430 if (table_2[k] != &invalid_handler &&
8431 is_indirect_opcode(table_2[k])) {
8432 g_free((opc_handler_t *)((uintptr_t)table_2[k] &
8433 ~PPC_INDIRECT));
8434 }
8435 }
8436 g_free((opc_handler_t *)((uintptr_t)table[j] &
8437 ~PPC_INDIRECT));
8438 }
8439 }
8440 g_free((opc_handler_t *)((uintptr_t)cpu->opcodes[i] &
8441 ~PPC_INDIRECT));
8442 }
8443 }
8444 }
8445
8446 int ppc_fixup_cpu(PowerPCCPU *cpu)
8447 {
8448 CPUPPCState *env = &cpu->env;
8449
8450 /*
8451 * TCG doesn't (yet) emulate some groups of instructions that are
8452 * implemented on some otherwise supported CPUs (e.g. VSX and
8453 * decimal floating point instructions on POWER7). We remove
8454 * unsupported instruction groups from the cpu state's instruction
8455 * masks and hope the guest can cope. For at least the pseries
8456 * machine, the unavailability of these instructions can be
8457 * advertised to the guest via the device tree.
8458 */
8459 if ((env->insns_flags & ~PPC_TCG_INSNS)
8460 || (env->insns_flags2 & ~PPC_TCG_INSNS2)) {
8461 warn_report("Disabling some instructions which are not "
8462 "emulated by TCG (0x%" PRIx64 ", 0x%" PRIx64 ")",
8463 env->insns_flags & ~PPC_TCG_INSNS,
8464 env->insns_flags2 & ~PPC_TCG_INSNS2);
8465 }
8466 env->insns_flags &= PPC_TCG_INSNS;
8467 env->insns_flags2 &= PPC_TCG_INSNS2;
8468 return 0;
8469 }
8470
8471 static bool decode_legacy(PowerPCCPU *cpu, DisasContext *ctx, uint32_t insn)
8472 {
8473 opc_handler_t **table, *handler;
8474 uint32_t inval;
8475
8476 ctx->opcode = insn;
8477
8478 LOG_DISAS("translate opcode %08x (%02x %02x %02x %02x) (%s)\n",
8479 insn, opc1(insn), opc2(insn), opc3(insn), opc4(insn),
8480 ctx->le_mode ? "little" : "big");
8481
8482 table = cpu->opcodes;
8483 handler = table[opc1(insn)];
8484 if (is_indirect_opcode(handler)) {
8485 table = ind_table(handler);
8486 handler = table[opc2(insn)];
8487 if (is_indirect_opcode(handler)) {
8488 table = ind_table(handler);
8489 handler = table[opc3(insn)];
8490 if (is_indirect_opcode(handler)) {
8491 table = ind_table(handler);
8492 handler = table[opc4(insn)];
8493 }
8494 }
8495 }
8496
8497 /* Is opcode *REALLY* valid ? */
8498 if (unlikely(handler->handler == &gen_invalid)) {
8499 qemu_log_mask(LOG_GUEST_ERROR, "invalid/unsupported opcode: "
8500 "%02x - %02x - %02x - %02x (%08x) "
8501 TARGET_FMT_lx "\n",
8502 opc1(insn), opc2(insn), opc3(insn), opc4(insn),
8503 insn, ctx->cia);
8504 return false;
8505 }
8506
8507 if (unlikely(handler->type & (PPC_SPE | PPC_SPE_SINGLE | PPC_SPE_DOUBLE)
8508 && Rc(insn))) {
8509 inval = handler->inval2;
8510 } else {
8511 inval = handler->inval1;
8512 }
8513
8514 if (unlikely((insn & inval) != 0)) {
8515 qemu_log_mask(LOG_GUEST_ERROR, "invalid bits: %08x for opcode: "
8516 "%02x - %02x - %02x - %02x (%08x) "
8517 TARGET_FMT_lx "\n", insn & inval,
8518 opc1(insn), opc2(insn), opc3(insn), opc4(insn),
8519 insn, ctx->cia);
8520 return false;
8521 }
8522
8523 handler->handler(ctx);
8524 return true;
8525 }
8526
8527 static void ppc_tr_init_disas_context(DisasContextBase *dcbase, CPUState *cs)
8528 {
8529 DisasContext *ctx = container_of(dcbase, DisasContext, base);
8530 CPUPPCState *env = cs->env_ptr;
8531 uint32_t hflags = ctx->base.tb->flags;
8532
8533 ctx->spr_cb = env->spr_cb;
8534 ctx->pr = (hflags >> HFLAGS_PR) & 1;
8535 ctx->mem_idx = (hflags >> HFLAGS_DMMU_IDX) & 7;
8536 ctx->dr = (hflags >> HFLAGS_DR) & 1;
8537 ctx->hv = (hflags >> HFLAGS_HV) & 1;
8538 ctx->insns_flags = env->insns_flags;
8539 ctx->insns_flags2 = env->insns_flags2;
8540 ctx->access_type = -1;
8541 ctx->need_access_type = !mmu_is_64bit(env->mmu_model);
8542 ctx->le_mode = (hflags >> HFLAGS_LE) & 1;
8543 ctx->default_tcg_memop_mask = ctx->le_mode ? MO_LE : MO_BE;
8544 ctx->flags = env->flags;
8545 #if defined(TARGET_PPC64)
8546 ctx->sf_mode = (hflags >> HFLAGS_64) & 1;
8547 ctx->has_cfar = !!(env->flags & POWERPC_FLAG_CFAR);
8548 #endif
8549 ctx->lazy_tlb_flush = env->mmu_model == POWERPC_MMU_32B
8550 || env->mmu_model == POWERPC_MMU_601
8551 || env->mmu_model & POWERPC_MMU_64;
8552
8553 ctx->fpu_enabled = (hflags >> HFLAGS_FP) & 1;
8554 ctx->spe_enabled = (hflags >> HFLAGS_SPE) & 1;
8555 ctx->altivec_enabled = (hflags >> HFLAGS_VR) & 1;
8556 ctx->vsx_enabled = (hflags >> HFLAGS_VSX) & 1;
8557 ctx->tm_enabled = (hflags >> HFLAGS_TM) & 1;
8558 ctx->gtse = (hflags >> HFLAGS_GTSE) & 1;
8559 ctx->hr = (hflags >> HFLAGS_HR) & 1;
8560
8561 ctx->singlestep_enabled = 0;
8562 if ((hflags >> HFLAGS_SE) & 1) {
8563 ctx->singlestep_enabled |= CPU_SINGLE_STEP;
8564 }
8565 if ((hflags >> HFLAGS_BE) & 1) {
8566 ctx->singlestep_enabled |= CPU_BRANCH_STEP;
8567 }
8568 if (unlikely(ctx->base.singlestep_enabled)) {
8569 ctx->singlestep_enabled |= GDBSTUB_SINGLE_STEP;
8570 }
8571
8572 if (ctx->singlestep_enabled & (CPU_SINGLE_STEP | GDBSTUB_SINGLE_STEP)) {
8573 ctx->base.max_insns = 1;
8574 }
8575 }
8576
8577 static void ppc_tr_tb_start(DisasContextBase *db, CPUState *cs)
8578 {
8579 }
8580
8581 static void ppc_tr_insn_start(DisasContextBase *dcbase, CPUState *cs)
8582 {
8583 tcg_gen_insn_start(dcbase->pc_next);
8584 }
8585
8586 static bool is_prefix_insn(DisasContext *ctx, uint32_t insn)
8587 {
8588 REQUIRE_INSNS_FLAGS2(ctx, ISA310);
8589 return opc1(insn) == 1;
8590 }
8591
8592 static void ppc_tr_translate_insn(DisasContextBase *dcbase, CPUState *cs)
8593 {
8594 DisasContext *ctx = container_of(dcbase, DisasContext, base);
8595 PowerPCCPU *cpu = POWERPC_CPU(cs);
8596 CPUPPCState *env = cs->env_ptr;
8597 target_ulong pc;
8598 uint32_t insn;
8599 bool ok;
8600
8601 LOG_DISAS("----------------\n");
8602 LOG_DISAS("nip=" TARGET_FMT_lx " super=%d ir=%d\n",
8603 ctx->base.pc_next, ctx->mem_idx, (int)msr_ir);
8604
8605 ctx->cia = pc = ctx->base.pc_next;
8606 insn = translator_ldl_swap(env, dcbase, pc, need_byteswap(ctx));
8607 ctx->base.pc_next = pc += 4;
8608
8609 if (!is_prefix_insn(ctx, insn)) {
8610 ok = (decode_insn32(ctx, insn) ||
8611 decode_legacy(cpu, ctx, insn));
8612 } else if ((pc & 63) == 0) {
8613 /*
8614 * Power v3.1, section 1.9 Exceptions:
8615 * attempt to execute a prefixed instruction that crosses a
8616 * 64-byte address boundary (system alignment error).
8617 */
8618 gen_exception_err(ctx, POWERPC_EXCP_ALIGN, POWERPC_EXCP_ALIGN_INSN);
8619 ok = true;
8620 } else {
8621 uint32_t insn2 = translator_ldl_swap(env, dcbase, pc,
8622 need_byteswap(ctx));
8623 ctx->base.pc_next = pc += 4;
8624 ok = decode_insn64(ctx, deposit64(insn2, 32, 32, insn));
8625 }
8626 if (!ok) {
8627 gen_invalid(ctx);
8628 }
8629
8630 /* End the TB when crossing a page boundary. */
8631 if (ctx->base.is_jmp == DISAS_NEXT && !(pc & ~TARGET_PAGE_MASK)) {
8632 ctx->base.is_jmp = DISAS_TOO_MANY;
8633 }
8634
8635 translator_loop_temp_check(&ctx->base);
8636 }
8637
8638 static void ppc_tr_tb_stop(DisasContextBase *dcbase, CPUState *cs)
8639 {
8640 DisasContext *ctx = container_of(dcbase, DisasContext, base);
8641 DisasJumpType is_jmp = ctx->base.is_jmp;
8642 target_ulong nip = ctx->base.pc_next;
8643 int sse;
8644
8645 if (is_jmp == DISAS_NORETURN) {
8646 /* We have already exited the TB. */
8647 return;
8648 }
8649
8650 /* Honor single stepping. */
8651 sse = ctx->singlestep_enabled & (CPU_SINGLE_STEP | GDBSTUB_SINGLE_STEP);
8652 if (unlikely(sse)) {
8653 switch (is_jmp) {
8654 case DISAS_TOO_MANY:
8655 case DISAS_EXIT_UPDATE:
8656 case DISAS_CHAIN_UPDATE:
8657 gen_update_nip(ctx, nip);
8658 break;
8659 case DISAS_EXIT:
8660 case DISAS_CHAIN:
8661 break;
8662 default:
8663 g_assert_not_reached();
8664 }
8665
8666 if (sse & GDBSTUB_SINGLE_STEP) {
8667 gen_debug_exception(ctx);
8668 return;
8669 }
8670 /* else CPU_SINGLE_STEP... */
8671 if (nip <= 0x100 || nip > 0xf00) {
8672 gen_helper_raise_exception(cpu_env, tcg_constant_i32(gen_prep_dbgex(ctx)));
8673 return;
8674 }
8675 }
8676
8677 switch (is_jmp) {
8678 case DISAS_TOO_MANY:
8679 if (use_goto_tb(ctx, nip)) {
8680 tcg_gen_goto_tb(0);
8681 gen_update_nip(ctx, nip);
8682 tcg_gen_exit_tb(ctx->base.tb, 0);
8683 break;
8684 }
8685 /* fall through */
8686 case DISAS_CHAIN_UPDATE:
8687 gen_update_nip(ctx, nip);
8688 /* fall through */
8689 case DISAS_CHAIN:
8690 tcg_gen_lookup_and_goto_ptr();
8691 break;
8692
8693 case DISAS_EXIT_UPDATE:
8694 gen_update_nip(ctx, nip);
8695 /* fall through */
8696 case DISAS_EXIT:
8697 tcg_gen_exit_tb(NULL, 0);
8698 break;
8699
8700 default:
8701 g_assert_not_reached();
8702 }
8703 }
8704
8705 static void ppc_tr_disas_log(const DisasContextBase *dcbase, CPUState *cs)
8706 {
8707 qemu_log("IN: %s\n", lookup_symbol(dcbase->pc_first));
8708 log_target_disas(cs, dcbase->pc_first, dcbase->tb->size);
8709 }
8710
8711 static const TranslatorOps ppc_tr_ops = {
8712 .init_disas_context = ppc_tr_init_disas_context,
8713 .tb_start = ppc_tr_tb_start,
8714 .insn_start = ppc_tr_insn_start,
8715 .translate_insn = ppc_tr_translate_insn,
8716 .tb_stop = ppc_tr_tb_stop,
8717 .disas_log = ppc_tr_disas_log,
8718 };
8719
8720 void gen_intermediate_code(CPUState *cs, TranslationBlock *tb, int max_insns)
8721 {
8722 DisasContext ctx;
8723
8724 translator_loop(&ppc_tr_ops, &ctx.base, cs, tb, max_insns);
8725 }
8726
8727 void restore_state_to_opc(CPUPPCState *env, TranslationBlock *tb,
8728 target_ulong *data)
8729 {
8730 env->nip = data[0];
8731 }
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