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target/ppc: Move vcfuged to vmx-impl.c.inc
[qemu/kevin.git] / target / ppc / translate.c
blobfc9d35a7a84f2882f0aee6ce10fc53a82c6cc8d4
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
46 /* Include definitions for instructions classes and implementations flags */
47 /* #define PPC_DEBUG_DISAS */
48
49 #ifdef PPC_DEBUG_DISAS
50 # define LOG_DISAS(...) qemu_log_mask(CPU_LOG_TB_IN_ASM, ## __VA_ARGS__)
51 #else
52 # define LOG_DISAS(...) do { } while (0)
53 #endif
54 /*****************************************************************************/
55 /* Code translation helpers */
56
57 /* global register indexes */
58 static char cpu_reg_names[10 * 3 + 22 * 4 /* GPR */
59 + 10 * 4 + 22 * 5 /* SPE GPRh */
60 + 8 * 5 /* CRF */];
61 static TCGv cpu_gpr[32];
62 static TCGv cpu_gprh[32];
63 static TCGv_i32 cpu_crf[8];
64 static TCGv cpu_nip;
65 static TCGv cpu_msr;
66 static TCGv cpu_ctr;
67 static TCGv cpu_lr;
68 #if defined(TARGET_PPC64)
69 static TCGv cpu_cfar;
70 #endif
71 static TCGv cpu_xer, cpu_so, cpu_ov, cpu_ca, cpu_ov32, cpu_ca32;
72 static TCGv cpu_reserve;
73 static TCGv cpu_reserve_val;
74 static TCGv cpu_fpscr;
75 static TCGv_i32 cpu_access_type;
76
77 #include "exec/gen-icount.h"
78
79 void ppc_translate_init(void)
80 {
81 int i;
82 char *p;
83 size_t cpu_reg_names_size;
84
85 p = cpu_reg_names;
86 cpu_reg_names_size = sizeof(cpu_reg_names);
87
88 for (i = 0; i < 8; i++) {
89 snprintf(p, cpu_reg_names_size, "crf%d", i);
90 cpu_crf[i] = tcg_global_mem_new_i32(cpu_env,
91 offsetof(CPUPPCState, crf[i]), p);
92 p += 5;
93 cpu_reg_names_size -= 5;
94 }
95
96 for (i = 0; i < 32; i++) {
97 snprintf(p, cpu_reg_names_size, "r%d", i);
98 cpu_gpr[i] = tcg_global_mem_new(cpu_env,
99 offsetof(CPUPPCState, gpr[i]), p);
100 p += (i < 10) ? 3 : 4;
101 cpu_reg_names_size -= (i < 10) ? 3 : 4;
102 snprintf(p, cpu_reg_names_size, "r%dH", i);
103 cpu_gprh[i] = tcg_global_mem_new(cpu_env,
104 offsetof(CPUPPCState, gprh[i]), p);
105 p += (i < 10) ? 4 : 5;
106 cpu_reg_names_size -= (i < 10) ? 4 : 5;
107 }
108
109 cpu_nip = tcg_global_mem_new(cpu_env,
110 offsetof(CPUPPCState, nip), "nip");
111
112 cpu_msr = tcg_global_mem_new(cpu_env,
113 offsetof(CPUPPCState, msr), "msr");
114
115 cpu_ctr = tcg_global_mem_new(cpu_env,
116 offsetof(CPUPPCState, ctr), "ctr");
117
118 cpu_lr = tcg_global_mem_new(cpu_env,
119 offsetof(CPUPPCState, lr), "lr");
120
121 #if defined(TARGET_PPC64)
122 cpu_cfar = tcg_global_mem_new(cpu_env,
123 offsetof(CPUPPCState, cfar), "cfar");
124 #endif
125
126 cpu_xer = tcg_global_mem_new(cpu_env,
127 offsetof(CPUPPCState, xer), "xer");
128 cpu_so = tcg_global_mem_new(cpu_env,
129 offsetof(CPUPPCState, so), "SO");
130 cpu_ov = tcg_global_mem_new(cpu_env,
131 offsetof(CPUPPCState, ov), "OV");
132 cpu_ca = tcg_global_mem_new(cpu_env,
133 offsetof(CPUPPCState, ca), "CA");
134 cpu_ov32 = tcg_global_mem_new(cpu_env,
135 offsetof(CPUPPCState, ov32), "OV32");
136 cpu_ca32 = tcg_global_mem_new(cpu_env,
137 offsetof(CPUPPCState, ca32), "CA32");
138
139 cpu_reserve = tcg_global_mem_new(cpu_env,
140 offsetof(CPUPPCState, reserve_addr),
141 "reserve_addr");
142 cpu_reserve_val = tcg_global_mem_new(cpu_env,
143 offsetof(CPUPPCState, reserve_val),
144 "reserve_val");
145
146 cpu_fpscr = tcg_global_mem_new(cpu_env,
147 offsetof(CPUPPCState, fpscr), "fpscr");
148
149 cpu_access_type = tcg_global_mem_new_i32(cpu_env,
150 offsetof(CPUPPCState, access_type),
151 "access_type");
152 }
153
154 /* internal defines */
155 struct DisasContext {
156 DisasContextBase base;
157 target_ulong cia; /* current instruction address */
158 uint32_t opcode;
159 /* Routine used to access memory */
160 bool pr, hv, dr, le_mode;
161 bool lazy_tlb_flush;
162 bool need_access_type;
163 int mem_idx;
164 int access_type;
165 /* Translation flags */
166 MemOp default_tcg_memop_mask;
167 #if defined(TARGET_PPC64)
168 bool sf_mode;
169 bool has_cfar;
170 #endif
171 bool fpu_enabled;
172 bool altivec_enabled;
173 bool vsx_enabled;
174 bool spe_enabled;
175 bool tm_enabled;
176 bool gtse;
177 bool hr;
178 bool mmcr0_pmcc0;
179 bool mmcr0_pmcc1;
180 ppc_spr_t *spr_cb; /* Needed to check rights for mfspr/mtspr */
181 int singlestep_enabled;
182 uint32_t flags;
183 uint64_t insns_flags;
184 uint64_t insns_flags2;
185 };
186
187 #define DISAS_EXIT DISAS_TARGET_0 /* exit to main loop, pc updated */
188 #define DISAS_EXIT_UPDATE DISAS_TARGET_1 /* exit to main loop, pc stale */
189 #define DISAS_CHAIN DISAS_TARGET_2 /* lookup next tb, pc updated */
190 #define DISAS_CHAIN_UPDATE DISAS_TARGET_3 /* lookup next tb, pc stale */
191
192 /* Return true iff byteswap is needed in a scalar memop */
193 static inline bool need_byteswap(const DisasContext *ctx)
194 {
195 #if defined(TARGET_WORDS_BIGENDIAN)
196 return ctx->le_mode;
197 #else
198 return !ctx->le_mode;
199 #endif
200 }
201
202 /* True when active word size < size of target_long. */
203 #ifdef TARGET_PPC64
204 # define NARROW_MODE(C) (!(C)->sf_mode)
205 #else
206 # define NARROW_MODE(C) 0
207 #endif
208
209 struct opc_handler_t {
210 /* invalid bits for instruction 1 (Rc(opcode) == 0) */
211 uint32_t inval1;
212 /* invalid bits for instruction 2 (Rc(opcode) == 1) */
213 uint32_t inval2;
214 /* instruction type */
215 uint64_t type;
216 /* extended instruction type */
217 uint64_t type2;
218 /* handler */
219 void (*handler)(DisasContext *ctx);
220 };
221
222 /* SPR load/store helpers */
223 static inline void gen_load_spr(TCGv t, int reg)
224 {
225 tcg_gen_ld_tl(t, cpu_env, offsetof(CPUPPCState, spr[reg]));
226 }
227
228 static inline void gen_store_spr(int reg, TCGv t)
229 {
230 tcg_gen_st_tl(t, cpu_env, offsetof(CPUPPCState, spr[reg]));
231 }
232
233 static inline void gen_set_access_type(DisasContext *ctx, int access_type)
234 {
235 if (ctx->need_access_type && ctx->access_type != access_type) {
236 tcg_gen_movi_i32(cpu_access_type, access_type);
237 ctx->access_type = access_type;
238 }
239 }
240
241 static inline void gen_update_nip(DisasContext *ctx, target_ulong nip)
242 {
243 if (NARROW_MODE(ctx)) {
244 nip = (uint32_t)nip;
245 }
246 tcg_gen_movi_tl(cpu_nip, nip);
247 }
248
249 static void gen_exception_err(DisasContext *ctx, uint32_t excp, uint32_t error)
250 {
251 TCGv_i32 t0, t1;
252
253 /*
254 * These are all synchronous exceptions, we set the PC back to the
255 * faulting instruction
256 */
257 gen_update_nip(ctx, ctx->cia);
258 t0 = tcg_const_i32(excp);
259 t1 = tcg_const_i32(error);
260 gen_helper_raise_exception_err(cpu_env, t0, t1);
261 tcg_temp_free_i32(t0);
262 tcg_temp_free_i32(t1);
263 ctx->base.is_jmp = DISAS_NORETURN;
264 }
265
266 static void gen_exception(DisasContext *ctx, uint32_t excp)
267 {
268 TCGv_i32 t0;
269
270 /*
271 * These are all synchronous exceptions, we set the PC back to the
272 * faulting instruction
273 */
274 gen_update_nip(ctx, ctx->cia);
275 t0 = tcg_const_i32(excp);
276 gen_helper_raise_exception(cpu_env, t0);
277 tcg_temp_free_i32(t0);
278 ctx->base.is_jmp = DISAS_NORETURN;
279 }
280
281 static void gen_exception_nip(DisasContext *ctx, uint32_t excp,
282 target_ulong nip)
283 {
284 TCGv_i32 t0;
285
286 gen_update_nip(ctx, nip);
287 t0 = tcg_const_i32(excp);
288 gen_helper_raise_exception(cpu_env, t0);
289 tcg_temp_free_i32(t0);
290 ctx->base.is_jmp = DISAS_NORETURN;
291 }
292
293 static void gen_icount_io_start(DisasContext *ctx)
294 {
295 if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) {
296 gen_io_start();
297 /*
298 * An I/O instruction must be last in the TB.
299 * Chain to the next TB, and let the code from gen_tb_start
300 * decide if we need to return to the main loop.
301 * Doing this first also allows this value to be overridden.
302 */
303 ctx->base.is_jmp = DISAS_TOO_MANY;
304 }
305 }
306
307 /*
308 * Tells the caller what is the appropriate exception to generate and prepares
309 * SPR registers for this exception.
310 *
311 * The exception can be either POWERPC_EXCP_TRACE (on most PowerPCs) or
312 * POWERPC_EXCP_DEBUG (on BookE).
313 */
314 static uint32_t gen_prep_dbgex(DisasContext *ctx)
315 {
316 if (ctx->flags & POWERPC_FLAG_DE) {
317 target_ulong dbsr = 0;
318 if (ctx->singlestep_enabled & CPU_SINGLE_STEP) {
319 dbsr = DBCR0_ICMP;
320 } else {
321 /* Must have been branch */
322 dbsr = DBCR0_BRT;
323 }
324 TCGv t0 = tcg_temp_new();
325 gen_load_spr(t0, SPR_BOOKE_DBSR);
326 tcg_gen_ori_tl(t0, t0, dbsr);
327 gen_store_spr(SPR_BOOKE_DBSR, t0);
328 tcg_temp_free(t0);
329 return POWERPC_EXCP_DEBUG;
330 } else {
331 return POWERPC_EXCP_TRACE;
332 }
333 }
334
335 static void gen_debug_exception(DisasContext *ctx)
336 {
337 gen_helper_raise_exception(cpu_env, tcg_constant_i32(gen_prep_dbgex(ctx)));
338 ctx->base.is_jmp = DISAS_NORETURN;
339 }
340
341 static inline void gen_inval_exception(DisasContext *ctx, uint32_t error)
342 {
343 /* Will be converted to program check if needed */
344 gen_exception_err(ctx, POWERPC_EXCP_HV_EMU, POWERPC_EXCP_INVAL | error);
345 }
346
347 static inline void gen_priv_exception(DisasContext *ctx, uint32_t error)
348 {
349 gen_exception_err(ctx, POWERPC_EXCP_PROGRAM, POWERPC_EXCP_PRIV | error);
350 }
351
352 static inline void gen_hvpriv_exception(DisasContext *ctx, uint32_t error)
353 {
354 /* Will be converted to program check if needed */
355 gen_exception_err(ctx, POWERPC_EXCP_HV_EMU, POWERPC_EXCP_PRIV | error);
356 }
357
358 /*****************************************************************************/
359 /* SPR READ/WRITE CALLBACKS */
360
361 void spr_noaccess(DisasContext *ctx, int gprn, int sprn)
362 {
363 #if 0
364 sprn = ((sprn >> 5) & 0x1F) | ((sprn & 0x1F) << 5);
365 printf("ERROR: try to access SPR %d !\n", sprn);
366 #endif
367 }
368
369 /* #define PPC_DUMP_SPR_ACCESSES */
370
371 /*
372 * Generic callbacks:
373 * do nothing but store/retrieve spr value
374 */
375 static void spr_load_dump_spr(int sprn)
376 {
377 #ifdef PPC_DUMP_SPR_ACCESSES
378 TCGv_i32 t0 = tcg_const_i32(sprn);
379 gen_helper_load_dump_spr(cpu_env, t0);
380 tcg_temp_free_i32(t0);
381 #endif
382 }
383
384 void spr_read_generic(DisasContext *ctx, int gprn, int sprn)
385 {
386 gen_load_spr(cpu_gpr[gprn], sprn);
387 spr_load_dump_spr(sprn);
388 }
389
390 static void spr_store_dump_spr(int sprn)
391 {
392 #ifdef PPC_DUMP_SPR_ACCESSES
393 TCGv_i32 t0 = tcg_const_i32(sprn);
394 gen_helper_store_dump_spr(cpu_env, t0);
395 tcg_temp_free_i32(t0);
396 #endif
397 }
398
399 void spr_write_generic(DisasContext *ctx, int sprn, int gprn)
400 {
401 gen_store_spr(sprn, cpu_gpr[gprn]);
402 spr_store_dump_spr(sprn);
403 }
404
405 #if !defined(CONFIG_USER_ONLY)
406 void spr_write_generic32(DisasContext *ctx, int sprn, int gprn)
407 {
408 #ifdef TARGET_PPC64
409 TCGv t0 = tcg_temp_new();
410 tcg_gen_ext32u_tl(t0, cpu_gpr[gprn]);
411 gen_store_spr(sprn, t0);
412 tcg_temp_free(t0);
413 spr_store_dump_spr(sprn);
414 #else
415 spr_write_generic(ctx, sprn, gprn);
416 #endif
417 }
418
419 void spr_write_clear(DisasContext *ctx, int sprn, int gprn)
420 {
421 TCGv t0 = tcg_temp_new();
422 TCGv t1 = tcg_temp_new();
423 gen_load_spr(t0, sprn);
424 tcg_gen_neg_tl(t1, cpu_gpr[gprn]);
425 tcg_gen_and_tl(t0, t0, t1);
426 gen_store_spr(sprn, t0);
427 tcg_temp_free(t0);
428 tcg_temp_free(t1);
429 }
430
431 void spr_access_nop(DisasContext *ctx, int sprn, int gprn)
432 {
433 }
434
435 #endif
436
437 /* SPR common to all PowerPC */
438 /* XER */
439 void spr_read_xer(DisasContext *ctx, int gprn, int sprn)
440 {
441 TCGv dst = cpu_gpr[gprn];
442 TCGv t0 = tcg_temp_new();
443 TCGv t1 = tcg_temp_new();
444 TCGv t2 = tcg_temp_new();
445 tcg_gen_mov_tl(dst, cpu_xer);
446 tcg_gen_shli_tl(t0, cpu_so, XER_SO);
447 tcg_gen_shli_tl(t1, cpu_ov, XER_OV);
448 tcg_gen_shli_tl(t2, cpu_ca, XER_CA);
449 tcg_gen_or_tl(t0, t0, t1);
450 tcg_gen_or_tl(dst, dst, t2);
451 tcg_gen_or_tl(dst, dst, t0);
452 if (is_isa300(ctx)) {
453 tcg_gen_shli_tl(t0, cpu_ov32, XER_OV32);
454 tcg_gen_or_tl(dst, dst, t0);
455 tcg_gen_shli_tl(t0, cpu_ca32, XER_CA32);
456 tcg_gen_or_tl(dst, dst, t0);
457 }
458 tcg_temp_free(t0);
459 tcg_temp_free(t1);
460 tcg_temp_free(t2);
461 }
462
463 void spr_write_xer(DisasContext *ctx, int sprn, int gprn)
464 {
465 TCGv src = cpu_gpr[gprn];
466 /* Write all flags, while reading back check for isa300 */
467 tcg_gen_andi_tl(cpu_xer, src,
468 ~((1u << XER_SO) |
469 (1u << XER_OV) | (1u << XER_OV32) |
470 (1u << XER_CA) | (1u << XER_CA32)));
471 tcg_gen_extract_tl(cpu_ov32, src, XER_OV32, 1);
472 tcg_gen_extract_tl(cpu_ca32, src, XER_CA32, 1);
473 tcg_gen_extract_tl(cpu_so, src, XER_SO, 1);
474 tcg_gen_extract_tl(cpu_ov, src, XER_OV, 1);
475 tcg_gen_extract_tl(cpu_ca, src, XER_CA, 1);
476 }
477
478 /* LR */
479 void spr_read_lr(DisasContext *ctx, int gprn, int sprn)
480 {
481 tcg_gen_mov_tl(cpu_gpr[gprn], cpu_lr);
482 }
483
484 void spr_write_lr(DisasContext *ctx, int sprn, int gprn)
485 {
486 tcg_gen_mov_tl(cpu_lr, cpu_gpr[gprn]);
487 }
488
489 /* CFAR */
490 #if defined(TARGET_PPC64) && !defined(CONFIG_USER_ONLY)
491 void spr_read_cfar(DisasContext *ctx, int gprn, int sprn)
492 {
493 tcg_gen_mov_tl(cpu_gpr[gprn], cpu_cfar);
494 }
495
496 void spr_write_cfar(DisasContext *ctx, int sprn, int gprn)
497 {
498 tcg_gen_mov_tl(cpu_cfar, cpu_gpr[gprn]);
499 }
500 #endif /* defined(TARGET_PPC64) && !defined(CONFIG_USER_ONLY) */
501
502 /* CTR */
503 void spr_read_ctr(DisasContext *ctx, int gprn, int sprn)
504 {
505 tcg_gen_mov_tl(cpu_gpr[gprn], cpu_ctr);
506 }
507
508 void spr_write_ctr(DisasContext *ctx, int sprn, int gprn)
509 {
510 tcg_gen_mov_tl(cpu_ctr, cpu_gpr[gprn]);
511 }
512
513 /* User read access to SPR */
514 /* USPRx */
515 /* UMMCRx */
516 /* UPMCx */
517 /* USIA */
518 /* UDECR */
519 void spr_read_ureg(DisasContext *ctx, int gprn, int sprn)
520 {
521 gen_load_spr(cpu_gpr[gprn], sprn + 0x10);
522 }
523
524 #if defined(TARGET_PPC64) && !defined(CONFIG_USER_ONLY)
525 void spr_write_ureg(DisasContext *ctx, int sprn, int gprn)
526 {
527 gen_store_spr(sprn + 0x10, cpu_gpr[gprn]);
528 }
529 #endif
530
531 /* SPR common to all non-embedded PowerPC */
532 /* DECR */
533 #if !defined(CONFIG_USER_ONLY)
534 void spr_read_decr(DisasContext *ctx, int gprn, int sprn)
535 {
536 gen_icount_io_start(ctx);
537 gen_helper_load_decr(cpu_gpr[gprn], cpu_env);
538 }
539
540 void spr_write_decr(DisasContext *ctx, int sprn, int gprn)
541 {
542 gen_icount_io_start(ctx);
543 gen_helper_store_decr(cpu_env, cpu_gpr[gprn]);
544 }
545 #endif
546
547 /* SPR common to all non-embedded PowerPC, except 601 */
548 /* Time base */
549 void spr_read_tbl(DisasContext *ctx, int gprn, int sprn)
550 {
551 gen_icount_io_start(ctx);
552 gen_helper_load_tbl(cpu_gpr[gprn], cpu_env);
553 }
554
555 void spr_read_tbu(DisasContext *ctx, int gprn, int sprn)
556 {
557 gen_icount_io_start(ctx);
558 gen_helper_load_tbu(cpu_gpr[gprn], cpu_env);
559 }
560
561 void spr_read_atbl(DisasContext *ctx, int gprn, int sprn)
562 {
563 gen_helper_load_atbl(cpu_gpr[gprn], cpu_env);
564 }
565
566 void spr_read_atbu(DisasContext *ctx, int gprn, int sprn)
567 {
568 gen_helper_load_atbu(cpu_gpr[gprn], cpu_env);
569 }
570
571 #if !defined(CONFIG_USER_ONLY)
572 void spr_write_tbl(DisasContext *ctx, int sprn, int gprn)
573 {
574 gen_icount_io_start(ctx);
575 gen_helper_store_tbl(cpu_env, cpu_gpr[gprn]);
576 }
577
578 void spr_write_tbu(DisasContext *ctx, int sprn, int gprn)
579 {
580 gen_icount_io_start(ctx);
581 gen_helper_store_tbu(cpu_env, cpu_gpr[gprn]);
582 }
583
584 void spr_write_atbl(DisasContext *ctx, int sprn, int gprn)
585 {
586 gen_helper_store_atbl(cpu_env, cpu_gpr[gprn]);
587 }
588
589 void spr_write_atbu(DisasContext *ctx, int sprn, int gprn)
590 {
591 gen_helper_store_atbu(cpu_env, cpu_gpr[gprn]);
592 }
593
594 #if defined(TARGET_PPC64)
595 void spr_read_purr(DisasContext *ctx, int gprn, int sprn)
596 {
597 gen_icount_io_start(ctx);
598 gen_helper_load_purr(cpu_gpr[gprn], cpu_env);
599 }
600
601 void spr_write_purr(DisasContext *ctx, int sprn, int gprn)
602 {
603 gen_icount_io_start(ctx);
604 gen_helper_store_purr(cpu_env, cpu_gpr[gprn]);
605 }
606
607 /* HDECR */
608 void spr_read_hdecr(DisasContext *ctx, int gprn, int sprn)
609 {
610 gen_icount_io_start(ctx);
611 gen_helper_load_hdecr(cpu_gpr[gprn], cpu_env);
612 }
613
614 void spr_write_hdecr(DisasContext *ctx, int sprn, int gprn)
615 {
616 gen_icount_io_start(ctx);
617 gen_helper_store_hdecr(cpu_env, cpu_gpr[gprn]);
618 }
619
620 void spr_read_vtb(DisasContext *ctx, int gprn, int sprn)
621 {
622 gen_icount_io_start(ctx);
623 gen_helper_load_vtb(cpu_gpr[gprn], cpu_env);
624 }
625
626 void spr_write_vtb(DisasContext *ctx, int sprn, int gprn)
627 {
628 gen_icount_io_start(ctx);
629 gen_helper_store_vtb(cpu_env, cpu_gpr[gprn]);
630 }
631
632 void spr_write_tbu40(DisasContext *ctx, int sprn, int gprn)
633 {
634 gen_icount_io_start(ctx);
635 gen_helper_store_tbu40(cpu_env, cpu_gpr[gprn]);
636 }
637
638 #endif
639 #endif
640
641 #if !defined(CONFIG_USER_ONLY)
642 /* IBAT0U...IBAT0U */
643 /* IBAT0L...IBAT7L */
644 void spr_read_ibat(DisasContext *ctx, int gprn, int sprn)
645 {
646 tcg_gen_ld_tl(cpu_gpr[gprn], cpu_env,
647 offsetof(CPUPPCState,
648 IBAT[sprn & 1][(sprn - SPR_IBAT0U) / 2]));
649 }
650
651 void spr_read_ibat_h(DisasContext *ctx, int gprn, int sprn)
652 {
653 tcg_gen_ld_tl(cpu_gpr[gprn], cpu_env,
654 offsetof(CPUPPCState,
655 IBAT[sprn & 1][((sprn - SPR_IBAT4U) / 2) + 4]));
656 }
657
658 void spr_write_ibatu(DisasContext *ctx, int sprn, int gprn)
659 {
660 TCGv_i32 t0 = tcg_const_i32((sprn - SPR_IBAT0U) / 2);
661 gen_helper_store_ibatu(cpu_env, t0, cpu_gpr[gprn]);
662 tcg_temp_free_i32(t0);
663 }
664
665 void spr_write_ibatu_h(DisasContext *ctx, int sprn, int gprn)
666 {
667 TCGv_i32 t0 = tcg_const_i32(((sprn - SPR_IBAT4U) / 2) + 4);
668 gen_helper_store_ibatu(cpu_env, t0, cpu_gpr[gprn]);
669 tcg_temp_free_i32(t0);
670 }
671
672 void spr_write_ibatl(DisasContext *ctx, int sprn, int gprn)
673 {
674 TCGv_i32 t0 = tcg_const_i32((sprn - SPR_IBAT0L) / 2);
675 gen_helper_store_ibatl(cpu_env, t0, cpu_gpr[gprn]);
676 tcg_temp_free_i32(t0);
677 }
678
679 void spr_write_ibatl_h(DisasContext *ctx, int sprn, int gprn)
680 {
681 TCGv_i32 t0 = tcg_const_i32(((sprn - SPR_IBAT4L) / 2) + 4);
682 gen_helper_store_ibatl(cpu_env, t0, cpu_gpr[gprn]);
683 tcg_temp_free_i32(t0);
684 }
685
686 /* DBAT0U...DBAT7U */
687 /* DBAT0L...DBAT7L */
688 void spr_read_dbat(DisasContext *ctx, int gprn, int sprn)
689 {
690 tcg_gen_ld_tl(cpu_gpr[gprn], cpu_env,
691 offsetof(CPUPPCState,
692 DBAT[sprn & 1][(sprn - SPR_DBAT0U) / 2]));
693 }
694
695 void spr_read_dbat_h(DisasContext *ctx, int gprn, int sprn)
696 {
697 tcg_gen_ld_tl(cpu_gpr[gprn], cpu_env,
698 offsetof(CPUPPCState,
699 DBAT[sprn & 1][((sprn - SPR_DBAT4U) / 2) + 4]));
700 }
701
702 void spr_write_dbatu(DisasContext *ctx, int sprn, int gprn)
703 {
704 TCGv_i32 t0 = tcg_const_i32((sprn - SPR_DBAT0U) / 2);
705 gen_helper_store_dbatu(cpu_env, t0, cpu_gpr[gprn]);
706 tcg_temp_free_i32(t0);
707 }
708
709 void spr_write_dbatu_h(DisasContext *ctx, int sprn, int gprn)
710 {
711 TCGv_i32 t0 = tcg_const_i32(((sprn - SPR_DBAT4U) / 2) + 4);
712 gen_helper_store_dbatu(cpu_env, t0, cpu_gpr[gprn]);
713 tcg_temp_free_i32(t0);
714 }
715
716 void spr_write_dbatl(DisasContext *ctx, int sprn, int gprn)
717 {
718 TCGv_i32 t0 = tcg_const_i32((sprn - SPR_DBAT0L) / 2);
719 gen_helper_store_dbatl(cpu_env, t0, cpu_gpr[gprn]);
720 tcg_temp_free_i32(t0);
721 }
722
723 void spr_write_dbatl_h(DisasContext *ctx, int sprn, int gprn)
724 {
725 TCGv_i32 t0 = tcg_const_i32(((sprn - SPR_DBAT4L) / 2) + 4);
726 gen_helper_store_dbatl(cpu_env, t0, cpu_gpr[gprn]);
727 tcg_temp_free_i32(t0);
728 }
729
730 /* SDR1 */
731 void spr_write_sdr1(DisasContext *ctx, int sprn, int gprn)
732 {
733 gen_helper_store_sdr1(cpu_env, cpu_gpr[gprn]);
734 }
735
736 #if defined(TARGET_PPC64)
737 /* 64 bits PowerPC specific SPRs */
738 /* PIDR */
739 void spr_write_pidr(DisasContext *ctx, int sprn, int gprn)
740 {
741 gen_helper_store_pidr(cpu_env, cpu_gpr[gprn]);
742 }
743
744 void spr_write_lpidr(DisasContext *ctx, int sprn, int gprn)
745 {
746 gen_helper_store_lpidr(cpu_env, cpu_gpr[gprn]);
747 }
748
749 void spr_read_hior(DisasContext *ctx, int gprn, int sprn)
750 {
751 tcg_gen_ld_tl(cpu_gpr[gprn], cpu_env, offsetof(CPUPPCState, excp_prefix));
752 }
753
754 void spr_write_hior(DisasContext *ctx, int sprn, int gprn)
755 {
756 TCGv t0 = tcg_temp_new();
757 tcg_gen_andi_tl(t0, cpu_gpr[gprn], 0x3FFFFF00000ULL);
758 tcg_gen_st_tl(t0, cpu_env, offsetof(CPUPPCState, excp_prefix));
759 tcg_temp_free(t0);
760 }
761 void spr_write_ptcr(DisasContext *ctx, int sprn, int gprn)
762 {
763 gen_helper_store_ptcr(cpu_env, cpu_gpr[gprn]);
764 }
765
766 void spr_write_pcr(DisasContext *ctx, int sprn, int gprn)
767 {
768 gen_helper_store_pcr(cpu_env, cpu_gpr[gprn]);
769 }
770
771 /* DPDES */
772 void spr_read_dpdes(DisasContext *ctx, int gprn, int sprn)
773 {
774 gen_helper_load_dpdes(cpu_gpr[gprn], cpu_env);
775 }
776
777 void spr_write_dpdes(DisasContext *ctx, int sprn, int gprn)
778 {
779 gen_helper_store_dpdes(cpu_env, cpu_gpr[gprn]);
780 }
781 #endif
782 #endif
783
784 /* PowerPC 601 specific registers */
785 /* RTC */
786 void spr_read_601_rtcl(DisasContext *ctx, int gprn, int sprn)
787 {
788 gen_helper_load_601_rtcl(cpu_gpr[gprn], cpu_env);
789 }
790
791 void spr_read_601_rtcu(DisasContext *ctx, int gprn, int sprn)
792 {
793 gen_helper_load_601_rtcu(cpu_gpr[gprn], cpu_env);
794 }
795
796 #if !defined(CONFIG_USER_ONLY)
797 void spr_write_601_rtcu(DisasContext *ctx, int sprn, int gprn)
798 {
799 gen_helper_store_601_rtcu(cpu_env, cpu_gpr[gprn]);
800 }
801
802 void spr_write_601_rtcl(DisasContext *ctx, int sprn, int gprn)
803 {
804 gen_helper_store_601_rtcl(cpu_env, cpu_gpr[gprn]);
805 }
806
807 void spr_write_hid0_601(DisasContext *ctx, int sprn, int gprn)
808 {
809 gen_helper_store_hid0_601(cpu_env, cpu_gpr[gprn]);
810 /* Must stop the translation as endianness may have changed */
811 ctx->base.is_jmp = DISAS_EXIT_UPDATE;
812 }
813 #endif
814
815 /* Unified bats */
816 #if !defined(CONFIG_USER_ONLY)
817 void spr_read_601_ubat(DisasContext *ctx, int gprn, int sprn)
818 {
819 tcg_gen_ld_tl(cpu_gpr[gprn], cpu_env,
820 offsetof(CPUPPCState,
821 IBAT[sprn & 1][(sprn - SPR_IBAT0U) / 2]));
822 }
823
824 void spr_write_601_ubatu(DisasContext *ctx, int sprn, int gprn)
825 {
826 TCGv_i32 t0 = tcg_const_i32((sprn - SPR_IBAT0U) / 2);
827 gen_helper_store_601_batl(cpu_env, t0, cpu_gpr[gprn]);
828 tcg_temp_free_i32(t0);
829 }
830
831 void spr_write_601_ubatl(DisasContext *ctx, int sprn, int gprn)
832 {
833 TCGv_i32 t0 = tcg_const_i32((sprn - SPR_IBAT0U) / 2);
834 gen_helper_store_601_batu(cpu_env, t0, cpu_gpr[gprn]);
835 tcg_temp_free_i32(t0);
836 }
837 #endif
838
839 /* PowerPC 40x specific registers */
840 #if !defined(CONFIG_USER_ONLY)
841 void spr_read_40x_pit(DisasContext *ctx, int gprn, int sprn)
842 {
843 gen_icount_io_start(ctx);
844 gen_helper_load_40x_pit(cpu_gpr[gprn], cpu_env);
845 }
846
847 void spr_write_40x_pit(DisasContext *ctx, int sprn, int gprn)
848 {
849 gen_icount_io_start(ctx);
850 gen_helper_store_40x_pit(cpu_env, cpu_gpr[gprn]);
851 }
852
853 void spr_write_40x_dbcr0(DisasContext *ctx, int sprn, int gprn)
854 {
855 gen_icount_io_start(ctx);
856 gen_store_spr(sprn, cpu_gpr[gprn]);
857 gen_helper_store_40x_dbcr0(cpu_env, cpu_gpr[gprn]);
858 /* We must stop translation as we may have rebooted */
859 ctx->base.is_jmp = DISAS_EXIT_UPDATE;
860 }
861
862 void spr_write_40x_sler(DisasContext *ctx, int sprn, int gprn)
863 {
864 gen_icount_io_start(ctx);
865 gen_helper_store_40x_sler(cpu_env, cpu_gpr[gprn]);
866 }
867
868 void spr_write_booke_tcr(DisasContext *ctx, int sprn, int gprn)
869 {
870 gen_icount_io_start(ctx);
871 gen_helper_store_booke_tcr(cpu_env, cpu_gpr[gprn]);
872 }
873
874 void spr_write_booke_tsr(DisasContext *ctx, int sprn, int gprn)
875 {
876 gen_icount_io_start(ctx);
877 gen_helper_store_booke_tsr(cpu_env, cpu_gpr[gprn]);
878 }
879 #endif
880
881 /* PowerPC 403 specific registers */
882 /* PBL1 / PBU1 / PBL2 / PBU2 */
883 #if !defined(CONFIG_USER_ONLY)
884 void spr_read_403_pbr(DisasContext *ctx, int gprn, int sprn)
885 {
886 tcg_gen_ld_tl(cpu_gpr[gprn], cpu_env,
887 offsetof(CPUPPCState, pb[sprn - SPR_403_PBL1]));
888 }
889
890 void spr_write_403_pbr(DisasContext *ctx, int sprn, int gprn)
891 {
892 TCGv_i32 t0 = tcg_const_i32(sprn - SPR_403_PBL1);
893 gen_helper_store_403_pbr(cpu_env, t0, cpu_gpr[gprn]);
894 tcg_temp_free_i32(t0);
895 }
896
897 void spr_write_pir(DisasContext *ctx, int sprn, int gprn)
898 {
899 TCGv t0 = tcg_temp_new();
900 tcg_gen_andi_tl(t0, cpu_gpr[gprn], 0xF);
901 gen_store_spr(SPR_PIR, t0);
902 tcg_temp_free(t0);
903 }
904 #endif
905
906 /* SPE specific registers */
907 void spr_read_spefscr(DisasContext *ctx, int gprn, int sprn)
908 {
909 TCGv_i32 t0 = tcg_temp_new_i32();
910 tcg_gen_ld_i32(t0, cpu_env, offsetof(CPUPPCState, spe_fscr));
911 tcg_gen_extu_i32_tl(cpu_gpr[gprn], t0);
912 tcg_temp_free_i32(t0);
913 }
914
915 void spr_write_spefscr(DisasContext *ctx, int sprn, int gprn)
916 {
917 TCGv_i32 t0 = tcg_temp_new_i32();
918 tcg_gen_trunc_tl_i32(t0, cpu_gpr[gprn]);
919 tcg_gen_st_i32(t0, cpu_env, offsetof(CPUPPCState, spe_fscr));
920 tcg_temp_free_i32(t0);
921 }
922
923 #if !defined(CONFIG_USER_ONLY)
924 /* Callback used to write the exception vector base */
925 void spr_write_excp_prefix(DisasContext *ctx, int sprn, int gprn)
926 {
927 TCGv t0 = tcg_temp_new();
928 tcg_gen_ld_tl(t0, cpu_env, offsetof(CPUPPCState, ivpr_mask));
929 tcg_gen_and_tl(t0, t0, cpu_gpr[gprn]);
930 tcg_gen_st_tl(t0, cpu_env, offsetof(CPUPPCState, excp_prefix));
931 gen_store_spr(sprn, t0);
932 tcg_temp_free(t0);
933 }
934
935 void spr_write_excp_vector(DisasContext *ctx, int sprn, int gprn)
936 {
937 int sprn_offs;
938
939 if (sprn >= SPR_BOOKE_IVOR0 && sprn <= SPR_BOOKE_IVOR15) {
940 sprn_offs = sprn - SPR_BOOKE_IVOR0;
941 } else if (sprn >= SPR_BOOKE_IVOR32 && sprn <= SPR_BOOKE_IVOR37) {
942 sprn_offs = sprn - SPR_BOOKE_IVOR32 + 32;
943 } else if (sprn >= SPR_BOOKE_IVOR38 && sprn <= SPR_BOOKE_IVOR42) {
944 sprn_offs = sprn - SPR_BOOKE_IVOR38 + 38;
945 } else {
946 printf("Trying to write an unknown exception vector %d %03x\n",
947 sprn, sprn);
948 gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG);
949 return;
950 }
951
952 TCGv t0 = tcg_temp_new();
953 tcg_gen_ld_tl(t0, cpu_env, offsetof(CPUPPCState, ivor_mask));
954 tcg_gen_and_tl(t0, t0, cpu_gpr[gprn]);
955 tcg_gen_st_tl(t0, cpu_env, offsetof(CPUPPCState, excp_vectors[sprn_offs]));
956 gen_store_spr(sprn, t0);
957 tcg_temp_free(t0);
958 }
959 #endif
960
961 #ifdef TARGET_PPC64
962 #ifndef CONFIG_USER_ONLY
963 void spr_write_amr(DisasContext *ctx, int sprn, int gprn)
964 {
965 TCGv t0 = tcg_temp_new();
966 TCGv t1 = tcg_temp_new();
967 TCGv t2 = tcg_temp_new();
968
969 /*
970 * Note, the HV=1 PR=0 case is handled earlier by simply using
971 * spr_write_generic for HV mode in the SPR table
972 */
973
974 /* Build insertion mask into t1 based on context */
975 if (ctx->pr) {
976 gen_load_spr(t1, SPR_UAMOR);
977 } else {
978 gen_load_spr(t1, SPR_AMOR);
979 }
980
981 /* Mask new bits into t2 */
982 tcg_gen_and_tl(t2, t1, cpu_gpr[gprn]);
983
984 /* Load AMR and clear new bits in t0 */
985 gen_load_spr(t0, SPR_AMR);
986 tcg_gen_andc_tl(t0, t0, t1);
987
988 /* Or'in new bits and write it out */
989 tcg_gen_or_tl(t0, t0, t2);
990 gen_store_spr(SPR_AMR, t0);
991 spr_store_dump_spr(SPR_AMR);
992
993 tcg_temp_free(t0);
994 tcg_temp_free(t1);
995 tcg_temp_free(t2);
996 }
997
998 void spr_write_uamor(DisasContext *ctx, int sprn, int gprn)
999 {
1000 TCGv t0 = tcg_temp_new();
1001 TCGv t1 = tcg_temp_new();
1002 TCGv t2 = tcg_temp_new();
1003
1004 /*
1005 * Note, the HV=1 case is handled earlier by simply using
1006 * spr_write_generic for HV mode in the SPR table
1007 */
1008
1009 /* Build insertion mask into t1 based on context */
1010 gen_load_spr(t1, SPR_AMOR);
1011
1012 /* Mask new bits into t2 */
1013 tcg_gen_and_tl(t2, t1, cpu_gpr[gprn]);
1014
1015 /* Load AMR and clear new bits in t0 */
1016 gen_load_spr(t0, SPR_UAMOR);
1017 tcg_gen_andc_tl(t0, t0, t1);
1018
1019 /* Or'in new bits and write it out */
1020 tcg_gen_or_tl(t0, t0, t2);
1021 gen_store_spr(SPR_UAMOR, t0);
1022 spr_store_dump_spr(SPR_UAMOR);
1023
1024 tcg_temp_free(t0);
1025 tcg_temp_free(t1);
1026 tcg_temp_free(t2);
1027 }
1028
1029 void spr_write_iamr(DisasContext *ctx, int sprn, int gprn)
1030 {
1031 TCGv t0 = tcg_temp_new();
1032 TCGv t1 = tcg_temp_new();
1033 TCGv t2 = tcg_temp_new();
1034
1035 /*
1036 * Note, the HV=1 case is handled earlier by simply using
1037 * spr_write_generic for HV mode in the SPR table
1038 */
1039
1040 /* Build insertion mask into t1 based on context */
1041 gen_load_spr(t1, SPR_AMOR);
1042
1043 /* Mask new bits into t2 */
1044 tcg_gen_and_tl(t2, t1, cpu_gpr[gprn]);
1045
1046 /* Load AMR and clear new bits in t0 */
1047 gen_load_spr(t0, SPR_IAMR);
1048 tcg_gen_andc_tl(t0, t0, t1);
1049
1050 /* Or'in new bits and write it out */
1051 tcg_gen_or_tl(t0, t0, t2);
1052 gen_store_spr(SPR_IAMR, t0);
1053 spr_store_dump_spr(SPR_IAMR);
1054
1055 tcg_temp_free(t0);
1056 tcg_temp_free(t1);
1057 tcg_temp_free(t2);
1058 }
1059 #endif
1060 #endif
1061
1062 #ifndef CONFIG_USER_ONLY
1063 void spr_read_thrm(DisasContext *ctx, int gprn, int sprn)
1064 {
1065 gen_helper_fixup_thrm(cpu_env);
1066 gen_load_spr(cpu_gpr[gprn], sprn);
1067 spr_load_dump_spr(sprn);
1068 }
1069 #endif /* !CONFIG_USER_ONLY */
1070
1071 #if !defined(CONFIG_USER_ONLY)
1072 void spr_write_e500_l1csr0(DisasContext *ctx, int sprn, int gprn)
1073 {
1074 TCGv t0 = tcg_temp_new();
1075
1076 tcg_gen_andi_tl(t0, cpu_gpr[gprn], L1CSR0_DCE | L1CSR0_CPE);
1077 gen_store_spr(sprn, t0);
1078 tcg_temp_free(t0);
1079 }
1080
1081 void spr_write_e500_l1csr1(DisasContext *ctx, int sprn, int gprn)
1082 {
1083 TCGv t0 = tcg_temp_new();
1084
1085 tcg_gen_andi_tl(t0, cpu_gpr[gprn], L1CSR1_ICE | L1CSR1_CPE);
1086 gen_store_spr(sprn, t0);
1087 tcg_temp_free(t0);
1088 }
1089
1090 void spr_write_e500_l2csr0(DisasContext *ctx, int sprn, int gprn)
1091 {
1092 TCGv t0 = tcg_temp_new();
1093
1094 tcg_gen_andi_tl(t0, cpu_gpr[gprn],
1095 ~(E500_L2CSR0_L2FI | E500_L2CSR0_L2FL | E500_L2CSR0_L2LFC));
1096 gen_store_spr(sprn, t0);
1097 tcg_temp_free(t0);
1098 }
1099
1100 void spr_write_booke206_mmucsr0(DisasContext *ctx, int sprn, int gprn)
1101 {
1102 gen_helper_booke206_tlbflush(cpu_env, cpu_gpr[gprn]);
1103 }
1104
1105 void spr_write_booke_pid(DisasContext *ctx, int sprn, int gprn)
1106 {
1107 TCGv_i32 t0 = tcg_const_i32(sprn);
1108 gen_helper_booke_setpid(cpu_env, t0, cpu_gpr[gprn]);
1109 tcg_temp_free_i32(t0);
1110 }
1111 void spr_write_eplc(DisasContext *ctx, int sprn, int gprn)
1112 {
1113 gen_helper_booke_set_eplc(cpu_env, cpu_gpr[gprn]);
1114 }
1115 void spr_write_epsc(DisasContext *ctx, int sprn, int gprn)
1116 {
1117 gen_helper_booke_set_epsc(cpu_env, cpu_gpr[gprn]);
1118 }
1119
1120 #endif
1121
1122 #if !defined(CONFIG_USER_ONLY)
1123 void spr_write_mas73(DisasContext *ctx, int sprn, int gprn)
1124 {
1125 TCGv val = tcg_temp_new();
1126 tcg_gen_ext32u_tl(val, cpu_gpr[gprn]);
1127 gen_store_spr(SPR_BOOKE_MAS3, val);
1128 tcg_gen_shri_tl(val, cpu_gpr[gprn], 32);
1129 gen_store_spr(SPR_BOOKE_MAS7, val);
1130 tcg_temp_free(val);
1131 }
1132
1133 void spr_read_mas73(DisasContext *ctx, int gprn, int sprn)
1134 {
1135 TCGv mas7 = tcg_temp_new();
1136 TCGv mas3 = tcg_temp_new();
1137 gen_load_spr(mas7, SPR_BOOKE_MAS7);
1138 tcg_gen_shli_tl(mas7, mas7, 32);
1139 gen_load_spr(mas3, SPR_BOOKE_MAS3);
1140 tcg_gen_or_tl(cpu_gpr[gprn], mas3, mas7);
1141 tcg_temp_free(mas3);
1142 tcg_temp_free(mas7);
1143 }
1144
1145 #endif
1146
1147 #ifdef TARGET_PPC64
1148 static void gen_fscr_facility_check(DisasContext *ctx, int facility_sprn,
1149 int bit, int sprn, int cause)
1150 {
1151 TCGv_i32 t1 = tcg_const_i32(bit);
1152 TCGv_i32 t2 = tcg_const_i32(sprn);
1153 TCGv_i32 t3 = tcg_const_i32(cause);
1154
1155 gen_helper_fscr_facility_check(cpu_env, t1, t2, t3);
1156
1157 tcg_temp_free_i32(t3);
1158 tcg_temp_free_i32(t2);
1159 tcg_temp_free_i32(t1);
1160 }
1161
1162 static void gen_msr_facility_check(DisasContext *ctx, int facility_sprn,
1163 int bit, int sprn, int cause)
1164 {
1165 TCGv_i32 t1 = tcg_const_i32(bit);
1166 TCGv_i32 t2 = tcg_const_i32(sprn);
1167 TCGv_i32 t3 = tcg_const_i32(cause);
1168
1169 gen_helper_msr_facility_check(cpu_env, t1, t2, t3);
1170
1171 tcg_temp_free_i32(t3);
1172 tcg_temp_free_i32(t2);
1173 tcg_temp_free_i32(t1);
1174 }
1175
1176 void spr_read_prev_upper32(DisasContext *ctx, int gprn, int sprn)
1177 {
1178 TCGv spr_up = tcg_temp_new();
1179 TCGv spr = tcg_temp_new();
1180
1181 gen_load_spr(spr, sprn - 1);
1182 tcg_gen_shri_tl(spr_up, spr, 32);
1183 tcg_gen_ext32u_tl(cpu_gpr[gprn], spr_up);
1184
1185 tcg_temp_free(spr);
1186 tcg_temp_free(spr_up);
1187 }
1188
1189 void spr_write_prev_upper32(DisasContext *ctx, int sprn, int gprn)
1190 {
1191 TCGv spr = tcg_temp_new();
1192
1193 gen_load_spr(spr, sprn - 1);
1194 tcg_gen_deposit_tl(spr, spr, cpu_gpr[gprn], 32, 32);
1195 gen_store_spr(sprn - 1, spr);
1196
1197 tcg_temp_free(spr);
1198 }
1199
1200 #if !defined(CONFIG_USER_ONLY)
1201 void spr_write_hmer(DisasContext *ctx, int sprn, int gprn)
1202 {
1203 TCGv hmer = tcg_temp_new();
1204
1205 gen_load_spr(hmer, sprn);
1206 tcg_gen_and_tl(hmer, cpu_gpr[gprn], hmer);
1207 gen_store_spr(sprn, hmer);
1208 spr_store_dump_spr(sprn);
1209 tcg_temp_free(hmer);
1210 }
1211
1212 void spr_write_lpcr(DisasContext *ctx, int sprn, int gprn)
1213 {
1214 gen_helper_store_lpcr(cpu_env, cpu_gpr[gprn]);
1215 }
1216 #endif /* !defined(CONFIG_USER_ONLY) */
1217
1218 void spr_read_tar(DisasContext *ctx, int gprn, int sprn)
1219 {
1220 gen_fscr_facility_check(ctx, SPR_FSCR, FSCR_TAR, sprn, FSCR_IC_TAR);
1221 spr_read_generic(ctx, gprn, sprn);
1222 }
1223
1224 void spr_write_tar(DisasContext *ctx, int sprn, int gprn)
1225 {
1226 gen_fscr_facility_check(ctx, SPR_FSCR, FSCR_TAR, sprn, FSCR_IC_TAR);
1227 spr_write_generic(ctx, sprn, gprn);
1228 }
1229
1230 void spr_read_tm(DisasContext *ctx, int gprn, int sprn)
1231 {
1232 gen_msr_facility_check(ctx, SPR_FSCR, MSR_TM, sprn, FSCR_IC_TM);
1233 spr_read_generic(ctx, gprn, sprn);
1234 }
1235
1236 void spr_write_tm(DisasContext *ctx, int sprn, int gprn)
1237 {
1238 gen_msr_facility_check(ctx, SPR_FSCR, MSR_TM, sprn, FSCR_IC_TM);
1239 spr_write_generic(ctx, sprn, gprn);
1240 }
1241
1242 void spr_read_tm_upper32(DisasContext *ctx, int gprn, int sprn)
1243 {
1244 gen_msr_facility_check(ctx, SPR_FSCR, MSR_TM, sprn, FSCR_IC_TM);
1245 spr_read_prev_upper32(ctx, gprn, sprn);
1246 }
1247
1248 void spr_write_tm_upper32(DisasContext *ctx, int sprn, int gprn)
1249 {
1250 gen_msr_facility_check(ctx, SPR_FSCR, MSR_TM, sprn, FSCR_IC_TM);
1251 spr_write_prev_upper32(ctx, sprn, gprn);
1252 }
1253
1254 void spr_read_ebb(DisasContext *ctx, int gprn, int sprn)
1255 {
1256 gen_fscr_facility_check(ctx, SPR_FSCR, FSCR_EBB, sprn, FSCR_IC_EBB);
1257 spr_read_generic(ctx, gprn, sprn);
1258 }
1259
1260 void spr_write_ebb(DisasContext *ctx, int sprn, int gprn)
1261 {
1262 gen_fscr_facility_check(ctx, SPR_FSCR, FSCR_EBB, sprn, FSCR_IC_EBB);
1263 spr_write_generic(ctx, sprn, gprn);
1264 }
1265
1266 void spr_read_ebb_upper32(DisasContext *ctx, int gprn, int sprn)
1267 {
1268 gen_fscr_facility_check(ctx, SPR_FSCR, FSCR_EBB, sprn, FSCR_IC_EBB);
1269 spr_read_prev_upper32(ctx, gprn, sprn);
1270 }
1271
1272 void spr_write_ebb_upper32(DisasContext *ctx, int sprn, int gprn)
1273 {
1274 gen_fscr_facility_check(ctx, SPR_FSCR, FSCR_EBB, sprn, FSCR_IC_EBB);
1275 spr_write_prev_upper32(ctx, sprn, gprn);
1276 }
1277 #endif
1278
1279 #define GEN_HANDLER(name, opc1, opc2, opc3, inval, type) \
1280 GEN_OPCODE(name, opc1, opc2, opc3, inval, type, PPC_NONE)
1281
1282 #define GEN_HANDLER_E(name, opc1, opc2, opc3, inval, type, type2) \
1283 GEN_OPCODE(name, opc1, opc2, opc3, inval, type, type2)
1284
1285 #define GEN_HANDLER2(name, onam, opc1, opc2, opc3, inval, type) \
1286 GEN_OPCODE2(name, onam, opc1, opc2, opc3, inval, type, PPC_NONE)
1287
1288 #define GEN_HANDLER2_E(name, onam, opc1, opc2, opc3, inval, type, type2) \
1289 GEN_OPCODE2(name, onam, opc1, opc2, opc3, inval, type, type2)
1290
1291 #define GEN_HANDLER_E_2(name, opc1, opc2, opc3, opc4, inval, type, type2) \
1292 GEN_OPCODE3(name, opc1, opc2, opc3, opc4, inval, type, type2)
1293
1294 #define GEN_HANDLER2_E_2(name, onam, opc1, opc2, opc3, opc4, inval, typ, typ2) \
1295 GEN_OPCODE4(name, onam, opc1, opc2, opc3, opc4, inval, typ, typ2)
1296
1297 typedef struct opcode_t {
1298 unsigned char opc1, opc2, opc3, opc4;
1299 #if HOST_LONG_BITS == 64 /* Explicitly align to 64 bits */
1300 unsigned char pad[4];
1301 #endif
1302 opc_handler_t handler;
1303 const char *oname;
1304 } opcode_t;
1305
1306 /* Helpers for priv. check */
1307 #define GEN_PRIV \
1308 do { \
1309 gen_priv_exception(ctx, POWERPC_EXCP_PRIV_OPC); return; \
1310 } while (0)
1311
1312 #if defined(CONFIG_USER_ONLY)
1313 #define CHK_HV GEN_PRIV
1314 #define CHK_SV GEN_PRIV
1315 #define CHK_HVRM GEN_PRIV
1316 #else
1317 #define CHK_HV \
1318 do { \
1319 if (unlikely(ctx->pr || !ctx->hv)) { \
1320 GEN_PRIV; \
1321 } \
1322 } while (0)
1323 #define CHK_SV \
1324 do { \
1325 if (unlikely(ctx->pr)) { \
1326 GEN_PRIV; \
1327 } \
1328 } while (0)
1329 #define CHK_HVRM \
1330 do { \
1331 if (unlikely(ctx->pr || !ctx->hv || ctx->dr)) { \
1332 GEN_PRIV; \
1333 } \
1334 } while (0)
1335 #endif
1336
1337 #define CHK_NONE
1338
1339 /*****************************************************************************/
1340 /* PowerPC instructions table */
1341
1342 #define GEN_OPCODE(name, op1, op2, op3, invl, _typ, _typ2) \
1343 { \
1344 .opc1 = op1, \
1345 .opc2 = op2, \
1346 .opc3 = op3, \
1347 .opc4 = 0xff, \
1348 .handler = { \
1349 .inval1 = invl, \
1350 .type = _typ, \
1351 .type2 = _typ2, \
1352 .handler = &gen_##name, \
1353 }, \
1354 .oname = stringify(name), \
1355 }
1356 #define GEN_OPCODE_DUAL(name, op1, op2, op3, invl1, invl2, _typ, _typ2) \
1357 { \
1358 .opc1 = op1, \
1359 .opc2 = op2, \
1360 .opc3 = op3, \
1361 .opc4 = 0xff, \
1362 .handler = { \
1363 .inval1 = invl1, \
1364 .inval2 = invl2, \
1365 .type = _typ, \
1366 .type2 = _typ2, \
1367 .handler = &gen_##name, \
1368 }, \
1369 .oname = stringify(name), \
1370 }
1371 #define GEN_OPCODE2(name, onam, op1, op2, op3, invl, _typ, _typ2) \
1372 { \
1373 .opc1 = op1, \
1374 .opc2 = op2, \
1375 .opc3 = op3, \
1376 .opc4 = 0xff, \
1377 .handler = { \
1378 .inval1 = invl, \
1379 .type = _typ, \
1380 .type2 = _typ2, \
1381 .handler = &gen_##name, \
1382 }, \
1383 .oname = onam, \
1384 }
1385 #define GEN_OPCODE3(name, op1, op2, op3, op4, invl, _typ, _typ2) \
1386 { \
1387 .opc1 = op1, \
1388 .opc2 = op2, \
1389 .opc3 = op3, \
1390 .opc4 = op4, \
1391 .handler = { \
1392 .inval1 = invl, \
1393 .type = _typ, \
1394 .type2 = _typ2, \
1395 .handler = &gen_##name, \
1396 }, \
1397 .oname = stringify(name), \
1398 }
1399 #define GEN_OPCODE4(name, onam, op1, op2, op3, op4, invl, _typ, _typ2) \
1400 { \
1401 .opc1 = op1, \
1402 .opc2 = op2, \
1403 .opc3 = op3, \
1404 .opc4 = op4, \
1405 .handler = { \
1406 .inval1 = invl, \
1407 .type = _typ, \
1408 .type2 = _typ2, \
1409 .handler = &gen_##name, \
1410 }, \
1411 .oname = onam, \
1412 }
1413
1414 /* Invalid instruction */
1415 static void gen_invalid(DisasContext *ctx)
1416 {
1417 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
1418 }
1419
1420 static opc_handler_t invalid_handler = {
1421 .inval1 = 0xFFFFFFFF,
1422 .inval2 = 0xFFFFFFFF,
1423 .type = PPC_NONE,
1424 .type2 = PPC_NONE,
1425 .handler = gen_invalid,
1426 };
1427
1428 /*** Integer comparison ***/
1429
1430 static inline void gen_op_cmp(TCGv arg0, TCGv arg1, int s, int crf)
1431 {
1432 TCGv t0 = tcg_temp_new();
1433 TCGv t1 = tcg_temp_new();
1434 TCGv_i32 t = tcg_temp_new_i32();
1435
1436 tcg_gen_movi_tl(t0, CRF_EQ);
1437 tcg_gen_movi_tl(t1, CRF_LT);
1438 tcg_gen_movcond_tl((s ? TCG_COND_LT : TCG_COND_LTU),
1439 t0, arg0, arg1, t1, t0);
1440 tcg_gen_movi_tl(t1, CRF_GT);
1441 tcg_gen_movcond_tl((s ? TCG_COND_GT : TCG_COND_GTU),
1442 t0, arg0, arg1, t1, t0);
1443
1444 tcg_gen_trunc_tl_i32(t, t0);
1445 tcg_gen_trunc_tl_i32(cpu_crf[crf], cpu_so);
1446 tcg_gen_or_i32(cpu_crf[crf], cpu_crf[crf], t);
1447
1448 tcg_temp_free(t0);
1449 tcg_temp_free(t1);
1450 tcg_temp_free_i32(t);
1451 }
1452
1453 static inline void gen_op_cmpi(TCGv arg0, target_ulong arg1, int s, int crf)
1454 {
1455 TCGv t0 = tcg_const_tl(arg1);
1456 gen_op_cmp(arg0, t0, s, crf);
1457 tcg_temp_free(t0);
1458 }
1459
1460 static inline void gen_op_cmp32(TCGv arg0, TCGv arg1, int s, int crf)
1461 {
1462 TCGv t0, t1;
1463 t0 = tcg_temp_new();
1464 t1 = tcg_temp_new();
1465 if (s) {
1466 tcg_gen_ext32s_tl(t0, arg0);
1467 tcg_gen_ext32s_tl(t1, arg1);
1468 } else {
1469 tcg_gen_ext32u_tl(t0, arg0);
1470 tcg_gen_ext32u_tl(t1, arg1);
1471 }
1472 gen_op_cmp(t0, t1, s, crf);
1473 tcg_temp_free(t1);
1474 tcg_temp_free(t0);
1475 }
1476
1477 static inline void gen_op_cmpi32(TCGv arg0, target_ulong arg1, int s, int crf)
1478 {
1479 TCGv t0 = tcg_const_tl(arg1);
1480 gen_op_cmp32(arg0, t0, s, crf);
1481 tcg_temp_free(t0);
1482 }
1483
1484 static inline void gen_set_Rc0(DisasContext *ctx, TCGv reg)
1485 {
1486 if (NARROW_MODE(ctx)) {
1487 gen_op_cmpi32(reg, 0, 1, 0);
1488 } else {
1489 gen_op_cmpi(reg, 0, 1, 0);
1490 }
1491 }
1492
1493 /* cmprb - range comparison: isupper, isaplha, islower*/
1494 static void gen_cmprb(DisasContext *ctx)
1495 {
1496 TCGv_i32 src1 = tcg_temp_new_i32();
1497 TCGv_i32 src2 = tcg_temp_new_i32();
1498 TCGv_i32 src2lo = tcg_temp_new_i32();
1499 TCGv_i32 src2hi = tcg_temp_new_i32();
1500 TCGv_i32 crf = cpu_crf[crfD(ctx->opcode)];
1501
1502 tcg_gen_trunc_tl_i32(src1, cpu_gpr[rA(ctx->opcode)]);
1503 tcg_gen_trunc_tl_i32(src2, cpu_gpr[rB(ctx->opcode)]);
1504
1505 tcg_gen_andi_i32(src1, src1, 0xFF);
1506 tcg_gen_ext8u_i32(src2lo, src2);
1507 tcg_gen_shri_i32(src2, src2, 8);
1508 tcg_gen_ext8u_i32(src2hi, src2);
1509
1510 tcg_gen_setcond_i32(TCG_COND_LEU, src2lo, src2lo, src1);
1511 tcg_gen_setcond_i32(TCG_COND_LEU, src2hi, src1, src2hi);
1512 tcg_gen_and_i32(crf, src2lo, src2hi);
1513
1514 if (ctx->opcode & 0x00200000) {
1515 tcg_gen_shri_i32(src2, src2, 8);
1516 tcg_gen_ext8u_i32(src2lo, src2);
1517 tcg_gen_shri_i32(src2, src2, 8);
1518 tcg_gen_ext8u_i32(src2hi, src2);
1519 tcg_gen_setcond_i32(TCG_COND_LEU, src2lo, src2lo, src1);
1520 tcg_gen_setcond_i32(TCG_COND_LEU, src2hi, src1, src2hi);
1521 tcg_gen_and_i32(src2lo, src2lo, src2hi);
1522 tcg_gen_or_i32(crf, crf, src2lo);
1523 }
1524 tcg_gen_shli_i32(crf, crf, CRF_GT_BIT);
1525 tcg_temp_free_i32(src1);
1526 tcg_temp_free_i32(src2);
1527 tcg_temp_free_i32(src2lo);
1528 tcg_temp_free_i32(src2hi);
1529 }
1530
1531 #if defined(TARGET_PPC64)
1532 /* cmpeqb */
1533 static void gen_cmpeqb(DisasContext *ctx)
1534 {
1535 gen_helper_cmpeqb(cpu_crf[crfD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
1536 cpu_gpr[rB(ctx->opcode)]);
1537 }
1538 #endif
1539
1540 /* isel (PowerPC 2.03 specification) */
1541 static void gen_isel(DisasContext *ctx)
1542 {
1543 uint32_t bi = rC(ctx->opcode);
1544 uint32_t mask = 0x08 >> (bi & 0x03);
1545 TCGv t0 = tcg_temp_new();
1546 TCGv zr;
1547
1548 tcg_gen_extu_i32_tl(t0, cpu_crf[bi >> 2]);
1549 tcg_gen_andi_tl(t0, t0, mask);
1550
1551 zr = tcg_const_tl(0);
1552 tcg_gen_movcond_tl(TCG_COND_NE, cpu_gpr[rD(ctx->opcode)], t0, zr,
1553 rA(ctx->opcode) ? cpu_gpr[rA(ctx->opcode)] : zr,
1554 cpu_gpr[rB(ctx->opcode)]);
1555 tcg_temp_free(zr);
1556 tcg_temp_free(t0);
1557 }
1558
1559 /* cmpb: PowerPC 2.05 specification */
1560 static void gen_cmpb(DisasContext *ctx)
1561 {
1562 gen_helper_cmpb(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)],
1563 cpu_gpr[rB(ctx->opcode)]);
1564 }
1565
1566 /*** Integer arithmetic ***/
1567
1568 static inline void gen_op_arith_compute_ov(DisasContext *ctx, TCGv arg0,
1569 TCGv arg1, TCGv arg2, int sub)
1570 {
1571 TCGv t0 = tcg_temp_new();
1572
1573 tcg_gen_xor_tl(cpu_ov, arg0, arg2);
1574 tcg_gen_xor_tl(t0, arg1, arg2);
1575 if (sub) {
1576 tcg_gen_and_tl(cpu_ov, cpu_ov, t0);
1577 } else {
1578 tcg_gen_andc_tl(cpu_ov, cpu_ov, t0);
1579 }
1580 tcg_temp_free(t0);
1581 if (NARROW_MODE(ctx)) {
1582 tcg_gen_extract_tl(cpu_ov, cpu_ov, 31, 1);
1583 if (is_isa300(ctx)) {
1584 tcg_gen_mov_tl(cpu_ov32, cpu_ov);
1585 }
1586 } else {
1587 if (is_isa300(ctx)) {
1588 tcg_gen_extract_tl(cpu_ov32, cpu_ov, 31, 1);
1589 }
1590 tcg_gen_extract_tl(cpu_ov, cpu_ov, TARGET_LONG_BITS - 1, 1);
1591 }
1592 tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov);
1593 }
1594
1595 static inline void gen_op_arith_compute_ca32(DisasContext *ctx,
1596 TCGv res, TCGv arg0, TCGv arg1,
1597 TCGv ca32, int sub)
1598 {
1599 TCGv t0;
1600
1601 if (!is_isa300(ctx)) {
1602 return;
1603 }
1604
1605 t0 = tcg_temp_new();
1606 if (sub) {
1607 tcg_gen_eqv_tl(t0, arg0, arg1);
1608 } else {
1609 tcg_gen_xor_tl(t0, arg0, arg1);
1610 }
1611 tcg_gen_xor_tl(t0, t0, res);
1612 tcg_gen_extract_tl(ca32, t0, 32, 1);
1613 tcg_temp_free(t0);
1614 }
1615
1616 /* Common add function */
1617 static inline void gen_op_arith_add(DisasContext *ctx, TCGv ret, TCGv arg1,
1618 TCGv arg2, TCGv ca, TCGv ca32,
1619 bool add_ca, bool compute_ca,
1620 bool compute_ov, bool compute_rc0)
1621 {
1622 TCGv t0 = ret;
1623
1624 if (compute_ca || compute_ov) {
1625 t0 = tcg_temp_new();
1626 }
1627
1628 if (compute_ca) {
1629 if (NARROW_MODE(ctx)) {
1630 /*
1631 * Caution: a non-obvious corner case of the spec is that
1632 * we must produce the *entire* 64-bit addition, but
1633 * produce the carry into bit 32.
1634 */
1635 TCGv t1 = tcg_temp_new();
1636 tcg_gen_xor_tl(t1, arg1, arg2); /* add without carry */
1637 tcg_gen_add_tl(t0, arg1, arg2);
1638 if (add_ca) {
1639 tcg_gen_add_tl(t0, t0, ca);
1640 }
1641 tcg_gen_xor_tl(ca, t0, t1); /* bits changed w/ carry */
1642 tcg_temp_free(t1);
1643 tcg_gen_extract_tl(ca, ca, 32, 1);
1644 if (is_isa300(ctx)) {
1645 tcg_gen_mov_tl(ca32, ca);
1646 }
1647 } else {
1648 TCGv zero = tcg_const_tl(0);
1649 if (add_ca) {
1650 tcg_gen_add2_tl(t0, ca, arg1, zero, ca, zero);
1651 tcg_gen_add2_tl(t0, ca, t0, ca, arg2, zero);
1652 } else {
1653 tcg_gen_add2_tl(t0, ca, arg1, zero, arg2, zero);
1654 }
1655 gen_op_arith_compute_ca32(ctx, t0, arg1, arg2, ca32, 0);
1656 tcg_temp_free(zero);
1657 }
1658 } else {
1659 tcg_gen_add_tl(t0, arg1, arg2);
1660 if (add_ca) {
1661 tcg_gen_add_tl(t0, t0, ca);
1662 }
1663 }
1664
1665 if (compute_ov) {
1666 gen_op_arith_compute_ov(ctx, t0, arg1, arg2, 0);
1667 }
1668 if (unlikely(compute_rc0)) {
1669 gen_set_Rc0(ctx, t0);
1670 }
1671
1672 if (t0 != ret) {
1673 tcg_gen_mov_tl(ret, t0);
1674 tcg_temp_free(t0);
1675 }
1676 }
1677 /* Add functions with two operands */
1678 #define GEN_INT_ARITH_ADD(name, opc3, ca, add_ca, compute_ca, compute_ov) \
1679 static void glue(gen_, name)(DisasContext *ctx) \
1680 { \
1681 gen_op_arith_add(ctx, cpu_gpr[rD(ctx->opcode)], \
1682 cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], \
1683 ca, glue(ca, 32), \
1684 add_ca, compute_ca, compute_ov, Rc(ctx->opcode)); \
1685 }
1686 /* Add functions with one operand and one immediate */
1687 #define GEN_INT_ARITH_ADD_CONST(name, opc3, const_val, ca, \
1688 add_ca, compute_ca, compute_ov) \
1689 static void glue(gen_, name)(DisasContext *ctx) \
1690 { \
1691 TCGv t0 = tcg_const_tl(const_val); \
1692 gen_op_arith_add(ctx, cpu_gpr[rD(ctx->opcode)], \
1693 cpu_gpr[rA(ctx->opcode)], t0, \
1694 ca, glue(ca, 32), \
1695 add_ca, compute_ca, compute_ov, Rc(ctx->opcode)); \
1696 tcg_temp_free(t0); \
1697 }
1698
1699 /* add add. addo addo. */
1700 GEN_INT_ARITH_ADD(add, 0x08, cpu_ca, 0, 0, 0)
1701 GEN_INT_ARITH_ADD(addo, 0x18, cpu_ca, 0, 0, 1)
1702 /* addc addc. addco addco. */
1703 GEN_INT_ARITH_ADD(addc, 0x00, cpu_ca, 0, 1, 0)
1704 GEN_INT_ARITH_ADD(addco, 0x10, cpu_ca, 0, 1, 1)
1705 /* adde adde. addeo addeo. */
1706 GEN_INT_ARITH_ADD(adde, 0x04, cpu_ca, 1, 1, 0)
1707 GEN_INT_ARITH_ADD(addeo, 0x14, cpu_ca, 1, 1, 1)
1708 /* addme addme. addmeo addmeo. */
1709 GEN_INT_ARITH_ADD_CONST(addme, 0x07, -1LL, cpu_ca, 1, 1, 0)
1710 GEN_INT_ARITH_ADD_CONST(addmeo, 0x17, -1LL, cpu_ca, 1, 1, 1)
1711 /* addex */
1712 GEN_INT_ARITH_ADD(addex, 0x05, cpu_ov, 1, 1, 0);
1713 /* addze addze. addzeo addzeo.*/
1714 GEN_INT_ARITH_ADD_CONST(addze, 0x06, 0, cpu_ca, 1, 1, 0)
1715 GEN_INT_ARITH_ADD_CONST(addzeo, 0x16, 0, cpu_ca, 1, 1, 1)
1716 /* addic addic.*/
1717 static inline void gen_op_addic(DisasContext *ctx, bool compute_rc0)
1718 {
1719 TCGv c = tcg_const_tl(SIMM(ctx->opcode));
1720 gen_op_arith_add(ctx, cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
1721 c, cpu_ca, cpu_ca32, 0, 1, 0, compute_rc0);
1722 tcg_temp_free(c);
1723 }
1724
1725 static void gen_addic(DisasContext *ctx)
1726 {
1727 gen_op_addic(ctx, 0);
1728 }
1729
1730 static void gen_addic_(DisasContext *ctx)
1731 {
1732 gen_op_addic(ctx, 1);
1733 }
1734
1735 static inline void gen_op_arith_divw(DisasContext *ctx, TCGv ret, TCGv arg1,
1736 TCGv arg2, int sign, int compute_ov)
1737 {
1738 TCGv_i32 t0 = tcg_temp_new_i32();
1739 TCGv_i32 t1 = tcg_temp_new_i32();
1740 TCGv_i32 t2 = tcg_temp_new_i32();
1741 TCGv_i32 t3 = tcg_temp_new_i32();
1742
1743 tcg_gen_trunc_tl_i32(t0, arg1);
1744 tcg_gen_trunc_tl_i32(t1, arg2);
1745 if (sign) {
1746 tcg_gen_setcondi_i32(TCG_COND_EQ, t2, t0, INT_MIN);
1747 tcg_gen_setcondi_i32(TCG_COND_EQ, t3, t1, -1);
1748 tcg_gen_and_i32(t2, t2, t3);
1749 tcg_gen_setcondi_i32(TCG_COND_EQ, t3, t1, 0);
1750 tcg_gen_or_i32(t2, t2, t3);
1751 tcg_gen_movi_i32(t3, 0);
1752 tcg_gen_movcond_i32(TCG_COND_NE, t1, t2, t3, t2, t1);
1753 tcg_gen_div_i32(t3, t0, t1);
1754 tcg_gen_extu_i32_tl(ret, t3);
1755 } else {
1756 tcg_gen_setcondi_i32(TCG_COND_EQ, t2, t1, 0);
1757 tcg_gen_movi_i32(t3, 0);
1758 tcg_gen_movcond_i32(TCG_COND_NE, t1, t2, t3, t2, t1);
1759 tcg_gen_divu_i32(t3, t0, t1);
1760 tcg_gen_extu_i32_tl(ret, t3);
1761 }
1762 if (compute_ov) {
1763 tcg_gen_extu_i32_tl(cpu_ov, t2);
1764 if (is_isa300(ctx)) {
1765 tcg_gen_extu_i32_tl(cpu_ov32, t2);
1766 }
1767 tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov);
1768 }
1769 tcg_temp_free_i32(t0);
1770 tcg_temp_free_i32(t1);
1771 tcg_temp_free_i32(t2);
1772 tcg_temp_free_i32(t3);
1773
1774 if (unlikely(Rc(ctx->opcode) != 0)) {
1775 gen_set_Rc0(ctx, ret);
1776 }
1777 }
1778 /* Div functions */
1779 #define GEN_INT_ARITH_DIVW(name, opc3, sign, compute_ov) \
1780 static void glue(gen_, name)(DisasContext *ctx) \
1781 { \
1782 gen_op_arith_divw(ctx, cpu_gpr[rD(ctx->opcode)], \
1783 cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], \
1784 sign, compute_ov); \
1785 }
1786 /* divwu divwu. divwuo divwuo. */
1787 GEN_INT_ARITH_DIVW(divwu, 0x0E, 0, 0);
1788 GEN_INT_ARITH_DIVW(divwuo, 0x1E, 0, 1);
1789 /* divw divw. divwo divwo. */
1790 GEN_INT_ARITH_DIVW(divw, 0x0F, 1, 0);
1791 GEN_INT_ARITH_DIVW(divwo, 0x1F, 1, 1);
1792
1793 /* div[wd]eu[o][.] */
1794 #define GEN_DIVE(name, hlpr, compute_ov) \
1795 static void gen_##name(DisasContext *ctx) \
1796 { \
1797 TCGv_i32 t0 = tcg_const_i32(compute_ov); \
1798 gen_helper_##hlpr(cpu_gpr[rD(ctx->opcode)], cpu_env, \
1799 cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], t0); \
1800 tcg_temp_free_i32(t0); \
1801 if (unlikely(Rc(ctx->opcode) != 0)) { \
1802 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); \
1803 } \
1804 }
1805
1806 GEN_DIVE(divweu, divweu, 0);
1807 GEN_DIVE(divweuo, divweu, 1);
1808 GEN_DIVE(divwe, divwe, 0);
1809 GEN_DIVE(divweo, divwe, 1);
1810
1811 #if defined(TARGET_PPC64)
1812 static inline void gen_op_arith_divd(DisasContext *ctx, TCGv ret, TCGv arg1,
1813 TCGv arg2, int sign, int compute_ov)
1814 {
1815 TCGv_i64 t0 = tcg_temp_new_i64();
1816 TCGv_i64 t1 = tcg_temp_new_i64();
1817 TCGv_i64 t2 = tcg_temp_new_i64();
1818 TCGv_i64 t3 = tcg_temp_new_i64();
1819
1820 tcg_gen_mov_i64(t0, arg1);
1821 tcg_gen_mov_i64(t1, arg2);
1822 if (sign) {
1823 tcg_gen_setcondi_i64(TCG_COND_EQ, t2, t0, INT64_MIN);
1824 tcg_gen_setcondi_i64(TCG_COND_EQ, t3, t1, -1);
1825 tcg_gen_and_i64(t2, t2, t3);
1826 tcg_gen_setcondi_i64(TCG_COND_EQ, t3, t1, 0);
1827 tcg_gen_or_i64(t2, t2, t3);
1828 tcg_gen_movi_i64(t3, 0);
1829 tcg_gen_movcond_i64(TCG_COND_NE, t1, t2, t3, t2, t1);
1830 tcg_gen_div_i64(ret, t0, t1);
1831 } else {
1832 tcg_gen_setcondi_i64(TCG_COND_EQ, t2, t1, 0);
1833 tcg_gen_movi_i64(t3, 0);
1834 tcg_gen_movcond_i64(TCG_COND_NE, t1, t2, t3, t2, t1);
1835 tcg_gen_divu_i64(ret, t0, t1);
1836 }
1837 if (compute_ov) {
1838 tcg_gen_mov_tl(cpu_ov, t2);
1839 if (is_isa300(ctx)) {
1840 tcg_gen_mov_tl(cpu_ov32, t2);
1841 }
1842 tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov);
1843 }
1844 tcg_temp_free_i64(t0);
1845 tcg_temp_free_i64(t1);
1846 tcg_temp_free_i64(t2);
1847 tcg_temp_free_i64(t3);
1848
1849 if (unlikely(Rc(ctx->opcode) != 0)) {
1850 gen_set_Rc0(ctx, ret);
1851 }
1852 }
1853
1854 #define GEN_INT_ARITH_DIVD(name, opc3, sign, compute_ov) \
1855 static void glue(gen_, name)(DisasContext *ctx) \
1856 { \
1857 gen_op_arith_divd(ctx, cpu_gpr[rD(ctx->opcode)], \
1858 cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], \
1859 sign, compute_ov); \
1860 }
1861 /* divdu divdu. divduo divduo. */
1862 GEN_INT_ARITH_DIVD(divdu, 0x0E, 0, 0);
1863 GEN_INT_ARITH_DIVD(divduo, 0x1E, 0, 1);
1864 /* divd divd. divdo divdo. */
1865 GEN_INT_ARITH_DIVD(divd, 0x0F, 1, 0);
1866 GEN_INT_ARITH_DIVD(divdo, 0x1F, 1, 1);
1867
1868 GEN_DIVE(divdeu, divdeu, 0);
1869 GEN_DIVE(divdeuo, divdeu, 1);
1870 GEN_DIVE(divde, divde, 0);
1871 GEN_DIVE(divdeo, divde, 1);
1872 #endif
1873
1874 static inline void gen_op_arith_modw(DisasContext *ctx, TCGv ret, TCGv arg1,
1875 TCGv arg2, int sign)
1876 {
1877 TCGv_i32 t0 = tcg_temp_new_i32();
1878 TCGv_i32 t1 = tcg_temp_new_i32();
1879
1880 tcg_gen_trunc_tl_i32(t0, arg1);
1881 tcg_gen_trunc_tl_i32(t1, arg2);
1882 if (sign) {
1883 TCGv_i32 t2 = tcg_temp_new_i32();
1884 TCGv_i32 t3 = tcg_temp_new_i32();
1885 tcg_gen_setcondi_i32(TCG_COND_EQ, t2, t0, INT_MIN);
1886 tcg_gen_setcondi_i32(TCG_COND_EQ, t3, t1, -1);
1887 tcg_gen_and_i32(t2, t2, t3);
1888 tcg_gen_setcondi_i32(TCG_COND_EQ, t3, t1, 0);
1889 tcg_gen_or_i32(t2, t2, t3);
1890 tcg_gen_movi_i32(t3, 0);
1891 tcg_gen_movcond_i32(TCG_COND_NE, t1, t2, t3, t2, t1);
1892 tcg_gen_rem_i32(t3, t0, t1);
1893 tcg_gen_ext_i32_tl(ret, t3);
1894 tcg_temp_free_i32(t2);
1895 tcg_temp_free_i32(t3);
1896 } else {
1897 TCGv_i32 t2 = tcg_const_i32(1);
1898 TCGv_i32 t3 = tcg_const_i32(0);
1899 tcg_gen_movcond_i32(TCG_COND_EQ, t1, t1, t3, t2, t1);
1900 tcg_gen_remu_i32(t3, t0, t1);
1901 tcg_gen_extu_i32_tl(ret, t3);
1902 tcg_temp_free_i32(t2);
1903 tcg_temp_free_i32(t3);
1904 }
1905 tcg_temp_free_i32(t0);
1906 tcg_temp_free_i32(t1);
1907 }
1908
1909 #define GEN_INT_ARITH_MODW(name, opc3, sign) \
1910 static void glue(gen_, name)(DisasContext *ctx) \
1911 { \
1912 gen_op_arith_modw(ctx, cpu_gpr[rD(ctx->opcode)], \
1913 cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], \
1914 sign); \
1915 }
1916
1917 GEN_INT_ARITH_MODW(moduw, 0x08, 0);
1918 GEN_INT_ARITH_MODW(modsw, 0x18, 1);
1919
1920 #if defined(TARGET_PPC64)
1921 static inline void gen_op_arith_modd(DisasContext *ctx, TCGv ret, TCGv arg1,
1922 TCGv arg2, int sign)
1923 {
1924 TCGv_i64 t0 = tcg_temp_new_i64();
1925 TCGv_i64 t1 = tcg_temp_new_i64();
1926
1927 tcg_gen_mov_i64(t0, arg1);
1928 tcg_gen_mov_i64(t1, arg2);
1929 if (sign) {
1930 TCGv_i64 t2 = tcg_temp_new_i64();
1931 TCGv_i64 t3 = tcg_temp_new_i64();
1932 tcg_gen_setcondi_i64(TCG_COND_EQ, t2, t0, INT64_MIN);
1933 tcg_gen_setcondi_i64(TCG_COND_EQ, t3, t1, -1);
1934 tcg_gen_and_i64(t2, t2, t3);
1935 tcg_gen_setcondi_i64(TCG_COND_EQ, t3, t1, 0);
1936 tcg_gen_or_i64(t2, t2, t3);
1937 tcg_gen_movi_i64(t3, 0);
1938 tcg_gen_movcond_i64(TCG_COND_NE, t1, t2, t3, t2, t1);
1939 tcg_gen_rem_i64(ret, t0, t1);
1940 tcg_temp_free_i64(t2);
1941 tcg_temp_free_i64(t3);
1942 } else {
1943 TCGv_i64 t2 = tcg_const_i64(1);
1944 TCGv_i64 t3 = tcg_const_i64(0);
1945 tcg_gen_movcond_i64(TCG_COND_EQ, t1, t1, t3, t2, t1);
1946 tcg_gen_remu_i64(ret, t0, t1);
1947 tcg_temp_free_i64(t2);
1948 tcg_temp_free_i64(t3);
1949 }
1950 tcg_temp_free_i64(t0);
1951 tcg_temp_free_i64(t1);
1952 }
1953
1954 #define GEN_INT_ARITH_MODD(name, opc3, sign) \
1955 static void glue(gen_, name)(DisasContext *ctx) \
1956 { \
1957 gen_op_arith_modd(ctx, cpu_gpr[rD(ctx->opcode)], \
1958 cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], \
1959 sign); \
1960 }
1961
1962 GEN_INT_ARITH_MODD(modud, 0x08, 0);
1963 GEN_INT_ARITH_MODD(modsd, 0x18, 1);
1964 #endif
1965
1966 /* mulhw mulhw. */
1967 static void gen_mulhw(DisasContext *ctx)
1968 {
1969 TCGv_i32 t0 = tcg_temp_new_i32();
1970 TCGv_i32 t1 = tcg_temp_new_i32();
1971
1972 tcg_gen_trunc_tl_i32(t0, cpu_gpr[rA(ctx->opcode)]);
1973 tcg_gen_trunc_tl_i32(t1, cpu_gpr[rB(ctx->opcode)]);
1974 tcg_gen_muls2_i32(t0, t1, t0, t1);
1975 tcg_gen_extu_i32_tl(cpu_gpr[rD(ctx->opcode)], t1);
1976 tcg_temp_free_i32(t0);
1977 tcg_temp_free_i32(t1);
1978 if (unlikely(Rc(ctx->opcode) != 0)) {
1979 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
1980 }
1981 }
1982
1983 /* mulhwu mulhwu. */
1984 static void gen_mulhwu(DisasContext *ctx)
1985 {
1986 TCGv_i32 t0 = tcg_temp_new_i32();
1987 TCGv_i32 t1 = tcg_temp_new_i32();
1988
1989 tcg_gen_trunc_tl_i32(t0, cpu_gpr[rA(ctx->opcode)]);
1990 tcg_gen_trunc_tl_i32(t1, cpu_gpr[rB(ctx->opcode)]);
1991 tcg_gen_mulu2_i32(t0, t1, t0, t1);
1992 tcg_gen_extu_i32_tl(cpu_gpr[rD(ctx->opcode)], t1);
1993 tcg_temp_free_i32(t0);
1994 tcg_temp_free_i32(t1);
1995 if (unlikely(Rc(ctx->opcode) != 0)) {
1996 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
1997 }
1998 }
1999
2000 /* mullw mullw. */
2001 static void gen_mullw(DisasContext *ctx)
2002 {
2003 #if defined(TARGET_PPC64)
2004 TCGv_i64 t0, t1;
2005 t0 = tcg_temp_new_i64();
2006 t1 = tcg_temp_new_i64();
2007 tcg_gen_ext32s_tl(t0, cpu_gpr[rA(ctx->opcode)]);
2008 tcg_gen_ext32s_tl(t1, cpu_gpr[rB(ctx->opcode)]);
2009 tcg_gen_mul_i64(cpu_gpr[rD(ctx->opcode)], t0, t1);
2010 tcg_temp_free(t0);
2011 tcg_temp_free(t1);
2012 #else
2013 tcg_gen_mul_i32(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
2014 cpu_gpr[rB(ctx->opcode)]);
2015 #endif
2016 if (unlikely(Rc(ctx->opcode) != 0)) {
2017 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
2018 }
2019 }
2020
2021 /* mullwo mullwo. */
2022 static void gen_mullwo(DisasContext *ctx)
2023 {
2024 TCGv_i32 t0 = tcg_temp_new_i32();
2025 TCGv_i32 t1 = tcg_temp_new_i32();
2026
2027 tcg_gen_trunc_tl_i32(t0, cpu_gpr[rA(ctx->opcode)]);
2028 tcg_gen_trunc_tl_i32(t1, cpu_gpr[rB(ctx->opcode)]);
2029 tcg_gen_muls2_i32(t0, t1, t0, t1);
2030 #if defined(TARGET_PPC64)
2031 tcg_gen_concat_i32_i64(cpu_gpr[rD(ctx->opcode)], t0, t1);
2032 #else
2033 tcg_gen_mov_i32(cpu_gpr[rD(ctx->opcode)], t0);
2034 #endif
2035
2036 tcg_gen_sari_i32(t0, t0, 31);
2037 tcg_gen_setcond_i32(TCG_COND_NE, t0, t0, t1);
2038 tcg_gen_extu_i32_tl(cpu_ov, t0);
2039 if (is_isa300(ctx)) {
2040 tcg_gen_mov_tl(cpu_ov32, cpu_ov);
2041 }
2042 tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov);
2043
2044 tcg_temp_free_i32(t0);
2045 tcg_temp_free_i32(t1);
2046 if (unlikely(Rc(ctx->opcode) != 0)) {
2047 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
2048 }
2049 }
2050
2051 /* mulli */
2052 static void gen_mulli(DisasContext *ctx)
2053 {
2054 tcg_gen_muli_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
2055 SIMM(ctx->opcode));
2056 }
2057
2058 #if defined(TARGET_PPC64)
2059 /* mulhd mulhd. */
2060 static void gen_mulhd(DisasContext *ctx)
2061 {
2062 TCGv lo = tcg_temp_new();
2063 tcg_gen_muls2_tl(lo, cpu_gpr[rD(ctx->opcode)],
2064 cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
2065 tcg_temp_free(lo);
2066 if (unlikely(Rc(ctx->opcode) != 0)) {
2067 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
2068 }
2069 }
2070
2071 /* mulhdu mulhdu. */
2072 static void gen_mulhdu(DisasContext *ctx)
2073 {
2074 TCGv lo = tcg_temp_new();
2075 tcg_gen_mulu2_tl(lo, cpu_gpr[rD(ctx->opcode)],
2076 cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
2077 tcg_temp_free(lo);
2078 if (unlikely(Rc(ctx->opcode) != 0)) {
2079 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
2080 }
2081 }
2082
2083 /* mulld mulld. */
2084 static void gen_mulld(DisasContext *ctx)
2085 {
2086 tcg_gen_mul_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
2087 cpu_gpr[rB(ctx->opcode)]);
2088 if (unlikely(Rc(ctx->opcode) != 0)) {
2089 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
2090 }
2091 }
2092
2093 /* mulldo mulldo. */
2094 static void gen_mulldo(DisasContext *ctx)
2095 {
2096 TCGv_i64 t0 = tcg_temp_new_i64();
2097 TCGv_i64 t1 = tcg_temp_new_i64();
2098
2099 tcg_gen_muls2_i64(t0, t1, cpu_gpr[rA(ctx->opcode)],
2100 cpu_gpr[rB(ctx->opcode)]);
2101 tcg_gen_mov_i64(cpu_gpr[rD(ctx->opcode)], t0);
2102
2103 tcg_gen_sari_i64(t0, t0, 63);
2104 tcg_gen_setcond_i64(TCG_COND_NE, cpu_ov, t0, t1);
2105 if (is_isa300(ctx)) {
2106 tcg_gen_mov_tl(cpu_ov32, cpu_ov);
2107 }
2108 tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov);
2109
2110 tcg_temp_free_i64(t0);
2111 tcg_temp_free_i64(t1);
2112
2113 if (unlikely(Rc(ctx->opcode) != 0)) {
2114 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
2115 }
2116 }
2117 #endif
2118
2119 /* Common subf function */
2120 static inline void gen_op_arith_subf(DisasContext *ctx, TCGv ret, TCGv arg1,
2121 TCGv arg2, bool add_ca, bool compute_ca,
2122 bool compute_ov, bool compute_rc0)
2123 {
2124 TCGv t0 = ret;
2125
2126 if (compute_ca || compute_ov) {
2127 t0 = tcg_temp_new();
2128 }
2129
2130 if (compute_ca) {
2131 /* dest = ~arg1 + arg2 [+ ca]. */
2132 if (NARROW_MODE(ctx)) {
2133 /*
2134 * Caution: a non-obvious corner case of the spec is that
2135 * we must produce the *entire* 64-bit addition, but
2136 * produce the carry into bit 32.
2137 */
2138 TCGv inv1 = tcg_temp_new();
2139 TCGv t1 = tcg_temp_new();
2140 tcg_gen_not_tl(inv1, arg1);
2141 if (add_ca) {
2142 tcg_gen_add_tl(t0, arg2, cpu_ca);
2143 } else {
2144 tcg_gen_addi_tl(t0, arg2, 1);
2145 }
2146 tcg_gen_xor_tl(t1, arg2, inv1); /* add without carry */
2147 tcg_gen_add_tl(t0, t0, inv1);
2148 tcg_temp_free(inv1);
2149 tcg_gen_xor_tl(cpu_ca, t0, t1); /* bits changes w/ carry */
2150 tcg_temp_free(t1);
2151 tcg_gen_extract_tl(cpu_ca, cpu_ca, 32, 1);
2152 if (is_isa300(ctx)) {
2153 tcg_gen_mov_tl(cpu_ca32, cpu_ca);
2154 }
2155 } else if (add_ca) {
2156 TCGv zero, inv1 = tcg_temp_new();
2157 tcg_gen_not_tl(inv1, arg1);
2158 zero = tcg_const_tl(0);
2159 tcg_gen_add2_tl(t0, cpu_ca, arg2, zero, cpu_ca, zero);
2160 tcg_gen_add2_tl(t0, cpu_ca, t0, cpu_ca, inv1, zero);
2161 gen_op_arith_compute_ca32(ctx, t0, inv1, arg2, cpu_ca32, 0);
2162 tcg_temp_free(zero);
2163 tcg_temp_free(inv1);
2164 } else {
2165 tcg_gen_setcond_tl(TCG_COND_GEU, cpu_ca, arg2, arg1);
2166 tcg_gen_sub_tl(t0, arg2, arg1);
2167 gen_op_arith_compute_ca32(ctx, t0, arg1, arg2, cpu_ca32, 1);
2168 }
2169 } else if (add_ca) {
2170 /*
2171 * Since we're ignoring carry-out, we can simplify the
2172 * standard ~arg1 + arg2 + ca to arg2 - arg1 + ca - 1.
2173 */
2174 tcg_gen_sub_tl(t0, arg2, arg1);
2175 tcg_gen_add_tl(t0, t0, cpu_ca);
2176 tcg_gen_subi_tl(t0, t0, 1);
2177 } else {
2178 tcg_gen_sub_tl(t0, arg2, arg1);
2179 }
2180
2181 if (compute_ov) {
2182 gen_op_arith_compute_ov(ctx, t0, arg1, arg2, 1);
2183 }
2184 if (unlikely(compute_rc0)) {
2185 gen_set_Rc0(ctx, t0);
2186 }
2187
2188 if (t0 != ret) {
2189 tcg_gen_mov_tl(ret, t0);
2190 tcg_temp_free(t0);
2191 }
2192 }
2193 /* Sub functions with Two operands functions */
2194 #define GEN_INT_ARITH_SUBF(name, opc3, add_ca, compute_ca, compute_ov) \
2195 static void glue(gen_, name)(DisasContext *ctx) \
2196 { \
2197 gen_op_arith_subf(ctx, cpu_gpr[rD(ctx->opcode)], \
2198 cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], \
2199 add_ca, compute_ca, compute_ov, Rc(ctx->opcode)); \
2200 }
2201 /* Sub functions with one operand and one immediate */
2202 #define GEN_INT_ARITH_SUBF_CONST(name, opc3, const_val, \
2203 add_ca, compute_ca, compute_ov) \
2204 static void glue(gen_, name)(DisasContext *ctx) \
2205 { \
2206 TCGv t0 = tcg_const_tl(const_val); \
2207 gen_op_arith_subf(ctx, cpu_gpr[rD(ctx->opcode)], \
2208 cpu_gpr[rA(ctx->opcode)], t0, \
2209 add_ca, compute_ca, compute_ov, Rc(ctx->opcode)); \
2210 tcg_temp_free(t0); \
2211 }
2212 /* subf subf. subfo subfo. */
2213 GEN_INT_ARITH_SUBF(subf, 0x01, 0, 0, 0)
2214 GEN_INT_ARITH_SUBF(subfo, 0x11, 0, 0, 1)
2215 /* subfc subfc. subfco subfco. */
2216 GEN_INT_ARITH_SUBF(subfc, 0x00, 0, 1, 0)
2217 GEN_INT_ARITH_SUBF(subfco, 0x10, 0, 1, 1)
2218 /* subfe subfe. subfeo subfo. */
2219 GEN_INT_ARITH_SUBF(subfe, 0x04, 1, 1, 0)
2220 GEN_INT_ARITH_SUBF(subfeo, 0x14, 1, 1, 1)
2221 /* subfme subfme. subfmeo subfmeo. */
2222 GEN_INT_ARITH_SUBF_CONST(subfme, 0x07, -1LL, 1, 1, 0)
2223 GEN_INT_ARITH_SUBF_CONST(subfmeo, 0x17, -1LL, 1, 1, 1)
2224 /* subfze subfze. subfzeo subfzeo.*/
2225 GEN_INT_ARITH_SUBF_CONST(subfze, 0x06, 0, 1, 1, 0)
2226 GEN_INT_ARITH_SUBF_CONST(subfzeo, 0x16, 0, 1, 1, 1)
2227
2228 /* subfic */
2229 static void gen_subfic(DisasContext *ctx)
2230 {
2231 TCGv c = tcg_const_tl(SIMM(ctx->opcode));
2232 gen_op_arith_subf(ctx, cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
2233 c, 0, 1, 0, 0);
2234 tcg_temp_free(c);
2235 }
2236
2237 /* neg neg. nego nego. */
2238 static inline void gen_op_arith_neg(DisasContext *ctx, bool compute_ov)
2239 {
2240 TCGv zero = tcg_const_tl(0);
2241 gen_op_arith_subf(ctx, cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
2242 zero, 0, 0, compute_ov, Rc(ctx->opcode));
2243 tcg_temp_free(zero);
2244 }
2245
2246 static void gen_neg(DisasContext *ctx)
2247 {
2248 tcg_gen_neg_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
2249 if (unlikely(Rc(ctx->opcode))) {
2250 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
2251 }
2252 }
2253
2254 static void gen_nego(DisasContext *ctx)
2255 {
2256 gen_op_arith_neg(ctx, 1);
2257 }
2258
2259 /*** Integer logical ***/
2260 #define GEN_LOGICAL2(name, tcg_op, opc, type) \
2261 static void glue(gen_, name)(DisasContext *ctx) \
2262 { \
2263 tcg_op(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], \
2264 cpu_gpr[rB(ctx->opcode)]); \
2265 if (unlikely(Rc(ctx->opcode) != 0)) \
2266 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); \
2267 }
2268
2269 #define GEN_LOGICAL1(name, tcg_op, opc, type) \
2270 static void glue(gen_, name)(DisasContext *ctx) \
2271 { \
2272 tcg_op(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]); \
2273 if (unlikely(Rc(ctx->opcode) != 0)) \
2274 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); \
2275 }
2276
2277 /* and & and. */
2278 GEN_LOGICAL2(and, tcg_gen_and_tl, 0x00, PPC_INTEGER);
2279 /* andc & andc. */
2280 GEN_LOGICAL2(andc, tcg_gen_andc_tl, 0x01, PPC_INTEGER);
2281
2282 /* andi. */
2283 static void gen_andi_(DisasContext *ctx)
2284 {
2285 tcg_gen_andi_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)],
2286 UIMM(ctx->opcode));
2287 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
2288 }
2289
2290 /* andis. */
2291 static void gen_andis_(DisasContext *ctx)
2292 {
2293 tcg_gen_andi_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)],
2294 UIMM(ctx->opcode) << 16);
2295 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
2296 }
2297
2298 /* cntlzw */
2299 static void gen_cntlzw(DisasContext *ctx)
2300 {
2301 TCGv_i32 t = tcg_temp_new_i32();
2302
2303 tcg_gen_trunc_tl_i32(t, cpu_gpr[rS(ctx->opcode)]);
2304 tcg_gen_clzi_i32(t, t, 32);
2305 tcg_gen_extu_i32_tl(cpu_gpr[rA(ctx->opcode)], t);
2306 tcg_temp_free_i32(t);
2307
2308 if (unlikely(Rc(ctx->opcode) != 0)) {
2309 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
2310 }
2311 }
2312
2313 /* cnttzw */
2314 static void gen_cnttzw(DisasContext *ctx)
2315 {
2316 TCGv_i32 t = tcg_temp_new_i32();
2317
2318 tcg_gen_trunc_tl_i32(t, cpu_gpr[rS(ctx->opcode)]);
2319 tcg_gen_ctzi_i32(t, t, 32);
2320 tcg_gen_extu_i32_tl(cpu_gpr[rA(ctx->opcode)], t);
2321 tcg_temp_free_i32(t);
2322
2323 if (unlikely(Rc(ctx->opcode) != 0)) {
2324 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
2325 }
2326 }
2327
2328 /* eqv & eqv. */
2329 GEN_LOGICAL2(eqv, tcg_gen_eqv_tl, 0x08, PPC_INTEGER);
2330 /* extsb & extsb. */
2331 GEN_LOGICAL1(extsb, tcg_gen_ext8s_tl, 0x1D, PPC_INTEGER);
2332 /* extsh & extsh. */
2333 GEN_LOGICAL1(extsh, tcg_gen_ext16s_tl, 0x1C, PPC_INTEGER);
2334 /* nand & nand. */
2335 GEN_LOGICAL2(nand, tcg_gen_nand_tl, 0x0E, PPC_INTEGER);
2336 /* nor & nor. */
2337 GEN_LOGICAL2(nor, tcg_gen_nor_tl, 0x03, PPC_INTEGER);
2338
2339 #if defined(TARGET_PPC64) && !defined(CONFIG_USER_ONLY)
2340 static void gen_pause(DisasContext *ctx)
2341 {
2342 TCGv_i32 t0 = tcg_const_i32(0);
2343 tcg_gen_st_i32(t0, cpu_env,
2344 -offsetof(PowerPCCPU, env) + offsetof(CPUState, halted));
2345 tcg_temp_free_i32(t0);
2346
2347 /* Stop translation, this gives other CPUs a chance to run */
2348 gen_exception_nip(ctx, EXCP_HLT, ctx->base.pc_next);
2349 }
2350 #endif /* defined(TARGET_PPC64) */
2351
2352 /* or & or. */
2353 static void gen_or(DisasContext *ctx)
2354 {
2355 int rs, ra, rb;
2356
2357 rs = rS(ctx->opcode);
2358 ra = rA(ctx->opcode);
2359 rb = rB(ctx->opcode);
2360 /* Optimisation for mr. ri case */
2361 if (rs != ra || rs != rb) {
2362 if (rs != rb) {
2363 tcg_gen_or_tl(cpu_gpr[ra], cpu_gpr[rs], cpu_gpr[rb]);
2364 } else {
2365 tcg_gen_mov_tl(cpu_gpr[ra], cpu_gpr[rs]);
2366 }
2367 if (unlikely(Rc(ctx->opcode) != 0)) {
2368 gen_set_Rc0(ctx, cpu_gpr[ra]);
2369 }
2370 } else if (unlikely(Rc(ctx->opcode) != 0)) {
2371 gen_set_Rc0(ctx, cpu_gpr[rs]);
2372 #if defined(TARGET_PPC64)
2373 } else if (rs != 0) { /* 0 is nop */
2374 int prio = 0;
2375
2376 switch (rs) {
2377 case 1:
2378 /* Set process priority to low */
2379 prio = 2;
2380 break;
2381 case 6:
2382 /* Set process priority to medium-low */
2383 prio = 3;
2384 break;
2385 case 2:
2386 /* Set process priority to normal */
2387 prio = 4;
2388 break;
2389 #if !defined(CONFIG_USER_ONLY)
2390 case 31:
2391 if (!ctx->pr) {
2392 /* Set process priority to very low */
2393 prio = 1;
2394 }
2395 break;
2396 case 5:
2397 if (!ctx->pr) {
2398 /* Set process priority to medium-hight */
2399 prio = 5;
2400 }
2401 break;
2402 case 3:
2403 if (!ctx->pr) {
2404 /* Set process priority to high */
2405 prio = 6;
2406 }
2407 break;
2408 case 7:
2409 if (ctx->hv && !ctx->pr) {
2410 /* Set process priority to very high */
2411 prio = 7;
2412 }
2413 break;
2414 #endif
2415 default:
2416 break;
2417 }
2418 if (prio) {
2419 TCGv t0 = tcg_temp_new();
2420 gen_load_spr(t0, SPR_PPR);
2421 tcg_gen_andi_tl(t0, t0, ~0x001C000000000000ULL);
2422 tcg_gen_ori_tl(t0, t0, ((uint64_t)prio) << 50);
2423 gen_store_spr(SPR_PPR, t0);
2424 tcg_temp_free(t0);
2425 }
2426 #if !defined(CONFIG_USER_ONLY)
2427 /*
2428 * Pause out of TCG otherwise spin loops with smt_low eat too
2429 * much CPU and the kernel hangs. This applies to all
2430 * encodings other than no-op, e.g., miso(rs=26), yield(27),
2431 * mdoio(29), mdoom(30), and all currently undefined.
2432 */
2433 gen_pause(ctx);
2434 #endif
2435 #endif
2436 }
2437 }
2438 /* orc & orc. */
2439 GEN_LOGICAL2(orc, tcg_gen_orc_tl, 0x0C, PPC_INTEGER);
2440
2441 /* xor & xor. */
2442 static void gen_xor(DisasContext *ctx)
2443 {
2444 /* Optimisation for "set to zero" case */
2445 if (rS(ctx->opcode) != rB(ctx->opcode)) {
2446 tcg_gen_xor_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)],
2447 cpu_gpr[rB(ctx->opcode)]);
2448 } else {
2449 tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0);
2450 }
2451 if (unlikely(Rc(ctx->opcode) != 0)) {
2452 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
2453 }
2454 }
2455
2456 /* ori */
2457 static void gen_ori(DisasContext *ctx)
2458 {
2459 target_ulong uimm = UIMM(ctx->opcode);
2460
2461 if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) {
2462 return;
2463 }
2464 tcg_gen_ori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], uimm);
2465 }
2466
2467 /* oris */
2468 static void gen_oris(DisasContext *ctx)
2469 {
2470 target_ulong uimm = UIMM(ctx->opcode);
2471
2472 if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) {
2473 /* NOP */
2474 return;
2475 }
2476 tcg_gen_ori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)],
2477 uimm << 16);
2478 }
2479
2480 /* xori */
2481 static void gen_xori(DisasContext *ctx)
2482 {
2483 target_ulong uimm = UIMM(ctx->opcode);
2484
2485 if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) {
2486 /* NOP */
2487 return;
2488 }
2489 tcg_gen_xori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], uimm);
2490 }
2491
2492 /* xoris */
2493 static void gen_xoris(DisasContext *ctx)
2494 {
2495 target_ulong uimm = UIMM(ctx->opcode);
2496
2497 if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) {
2498 /* NOP */
2499 return;
2500 }
2501 tcg_gen_xori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)],
2502 uimm << 16);
2503 }
2504
2505 /* popcntb : PowerPC 2.03 specification */
2506 static void gen_popcntb(DisasContext *ctx)
2507 {
2508 gen_helper_popcntb(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);
2509 }
2510
2511 static void gen_popcntw(DisasContext *ctx)
2512 {
2513 #if defined(TARGET_PPC64)
2514 gen_helper_popcntw(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);
2515 #else
2516 tcg_gen_ctpop_i32(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);
2517 #endif
2518 }
2519
2520 #if defined(TARGET_PPC64)
2521 /* popcntd: PowerPC 2.06 specification */
2522 static void gen_popcntd(DisasContext *ctx)
2523 {
2524 tcg_gen_ctpop_i64(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);
2525 }
2526 #endif
2527
2528 /* prtyw: PowerPC 2.05 specification */
2529 static void gen_prtyw(DisasContext *ctx)
2530 {
2531 TCGv ra = cpu_gpr[rA(ctx->opcode)];
2532 TCGv rs = cpu_gpr[rS(ctx->opcode)];
2533 TCGv t0 = tcg_temp_new();
2534 tcg_gen_shri_tl(t0, rs, 16);
2535 tcg_gen_xor_tl(ra, rs, t0);
2536 tcg_gen_shri_tl(t0, ra, 8);
2537 tcg_gen_xor_tl(ra, ra, t0);
2538 tcg_gen_andi_tl(ra, ra, (target_ulong)0x100000001ULL);
2539 tcg_temp_free(t0);
2540 }
2541
2542 #if defined(TARGET_PPC64)
2543 /* prtyd: PowerPC 2.05 specification */
2544 static void gen_prtyd(DisasContext *ctx)
2545 {
2546 TCGv ra = cpu_gpr[rA(ctx->opcode)];
2547 TCGv rs = cpu_gpr[rS(ctx->opcode)];
2548 TCGv t0 = tcg_temp_new();
2549 tcg_gen_shri_tl(t0, rs, 32);
2550 tcg_gen_xor_tl(ra, rs, t0);
2551 tcg_gen_shri_tl(t0, ra, 16);
2552 tcg_gen_xor_tl(ra, ra, t0);
2553 tcg_gen_shri_tl(t0, ra, 8);
2554 tcg_gen_xor_tl(ra, ra, t0);
2555 tcg_gen_andi_tl(ra, ra, 1);
2556 tcg_temp_free(t0);
2557 }
2558 #endif
2559
2560 #if defined(TARGET_PPC64)
2561 /* bpermd */
2562 static void gen_bpermd(DisasContext *ctx)
2563 {
2564 gen_helper_bpermd(cpu_gpr[rA(ctx->opcode)],
2565 cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
2566 }
2567 #endif
2568
2569 #if defined(TARGET_PPC64)
2570 /* extsw & extsw. */
2571 GEN_LOGICAL1(extsw, tcg_gen_ext32s_tl, 0x1E, PPC_64B);
2572
2573 /* cntlzd */
2574 static void gen_cntlzd(DisasContext *ctx)
2575 {
2576 tcg_gen_clzi_i64(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], 64);
2577 if (unlikely(Rc(ctx->opcode) != 0)) {
2578 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
2579 }
2580 }
2581
2582 /* cnttzd */
2583 static void gen_cnttzd(DisasContext *ctx)
2584 {
2585 tcg_gen_ctzi_i64(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], 64);
2586 if (unlikely(Rc(ctx->opcode) != 0)) {
2587 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
2588 }
2589 }
2590
2591 /* darn */
2592 static void gen_darn(DisasContext *ctx)
2593 {
2594 int l = L(ctx->opcode);
2595
2596 if (l > 2) {
2597 tcg_gen_movi_i64(cpu_gpr[rD(ctx->opcode)], -1);
2598 } else {
2599 gen_icount_io_start(ctx);
2600 if (l == 0) {
2601 gen_helper_darn32(cpu_gpr[rD(ctx->opcode)]);
2602 } else {
2603 /* Return 64-bit random for both CRN and RRN */
2604 gen_helper_darn64(cpu_gpr[rD(ctx->opcode)]);
2605 }
2606 }
2607 }
2608 #endif
2609
2610 /*** Integer rotate ***/
2611
2612 /* rlwimi & rlwimi. */
2613 static void gen_rlwimi(DisasContext *ctx)
2614 {
2615 TCGv t_ra = cpu_gpr[rA(ctx->opcode)];
2616 TCGv t_rs = cpu_gpr[rS(ctx->opcode)];
2617 uint32_t sh = SH(ctx->opcode);
2618 uint32_t mb = MB(ctx->opcode);
2619 uint32_t me = ME(ctx->opcode);
2620
2621 if (sh == (31 - me) && mb <= me) {
2622 tcg_gen_deposit_tl(t_ra, t_ra, t_rs, sh, me - mb + 1);
2623 } else {
2624 target_ulong mask;
2625 bool mask_in_32b = true;
2626 TCGv t1;
2627
2628 #if defined(TARGET_PPC64)
2629 mb += 32;
2630 me += 32;
2631 #endif
2632 mask = MASK(mb, me);
2633
2634 #if defined(TARGET_PPC64)
2635 if (mask > 0xffffffffu) {
2636 mask_in_32b = false;
2637 }
2638 #endif
2639 t1 = tcg_temp_new();
2640 if (mask_in_32b) {
2641 TCGv_i32 t0 = tcg_temp_new_i32();
2642 tcg_gen_trunc_tl_i32(t0, t_rs);
2643 tcg_gen_rotli_i32(t0, t0, sh);
2644 tcg_gen_extu_i32_tl(t1, t0);
2645 tcg_temp_free_i32(t0);
2646 } else {
2647 #if defined(TARGET_PPC64)
2648 tcg_gen_deposit_i64(t1, t_rs, t_rs, 32, 32);
2649 tcg_gen_rotli_i64(t1, t1, sh);
2650 #else
2651 g_assert_not_reached();
2652 #endif
2653 }
2654
2655 tcg_gen_andi_tl(t1, t1, mask);
2656 tcg_gen_andi_tl(t_ra, t_ra, ~mask);
2657 tcg_gen_or_tl(t_ra, t_ra, t1);
2658 tcg_temp_free(t1);
2659 }
2660 if (unlikely(Rc(ctx->opcode) != 0)) {
2661 gen_set_Rc0(ctx, t_ra);
2662 }
2663 }
2664
2665 /* rlwinm & rlwinm. */
2666 static void gen_rlwinm(DisasContext *ctx)
2667 {
2668 TCGv t_ra = cpu_gpr[rA(ctx->opcode)];
2669 TCGv t_rs = cpu_gpr[rS(ctx->opcode)];
2670 int sh = SH(ctx->opcode);
2671 int mb = MB(ctx->opcode);
2672 int me = ME(ctx->opcode);
2673 int len = me - mb + 1;
2674 int rsh = (32 - sh) & 31;
2675
2676 if (sh != 0 && len > 0 && me == (31 - sh)) {
2677 tcg_gen_deposit_z_tl(t_ra, t_rs, sh, len);
2678 } else if (me == 31 && rsh + len <= 32) {
2679 tcg_gen_extract_tl(t_ra, t_rs, rsh, len);
2680 } else {
2681 target_ulong mask;
2682 bool mask_in_32b = true;
2683 #if defined(TARGET_PPC64)
2684 mb += 32;
2685 me += 32;
2686 #endif
2687 mask = MASK(mb, me);
2688 #if defined(TARGET_PPC64)
2689 if (mask > 0xffffffffu) {
2690 mask_in_32b = false;
2691 }
2692 #endif
2693 if (mask_in_32b) {
2694 if (sh == 0) {
2695 tcg_gen_andi_tl(t_ra, t_rs, mask);
2696 } else {
2697 TCGv_i32 t0 = tcg_temp_new_i32();
2698 tcg_gen_trunc_tl_i32(t0, t_rs);
2699 tcg_gen_rotli_i32(t0, t0, sh);
2700 tcg_gen_andi_i32(t0, t0, mask);
2701 tcg_gen_extu_i32_tl(t_ra, t0);
2702 tcg_temp_free_i32(t0);
2703 }
2704 } else {
2705 #if defined(TARGET_PPC64)
2706 tcg_gen_deposit_i64(t_ra, t_rs, t_rs, 32, 32);
2707 tcg_gen_rotli_i64(t_ra, t_ra, sh);
2708 tcg_gen_andi_i64(t_ra, t_ra, mask);
2709 #else
2710 g_assert_not_reached();
2711 #endif
2712 }
2713 }
2714 if (unlikely(Rc(ctx->opcode) != 0)) {
2715 gen_set_Rc0(ctx, t_ra);
2716 }
2717 }
2718
2719 /* rlwnm & rlwnm. */
2720 static void gen_rlwnm(DisasContext *ctx)
2721 {
2722 TCGv t_ra = cpu_gpr[rA(ctx->opcode)];
2723 TCGv t_rs = cpu_gpr[rS(ctx->opcode)];
2724 TCGv t_rb = cpu_gpr[rB(ctx->opcode)];
2725 uint32_t mb = MB(ctx->opcode);
2726 uint32_t me = ME(ctx->opcode);
2727 target_ulong mask;
2728 bool mask_in_32b = true;
2729
2730 #if defined(TARGET_PPC64)
2731 mb += 32;
2732 me += 32;
2733 #endif
2734 mask = MASK(mb, me);
2735
2736 #if defined(TARGET_PPC64)
2737 if (mask > 0xffffffffu) {
2738 mask_in_32b = false;
2739 }
2740 #endif
2741 if (mask_in_32b) {
2742 TCGv_i32 t0 = tcg_temp_new_i32();
2743 TCGv_i32 t1 = tcg_temp_new_i32();
2744 tcg_gen_trunc_tl_i32(t0, t_rb);
2745 tcg_gen_trunc_tl_i32(t1, t_rs);
2746 tcg_gen_andi_i32(t0, t0, 0x1f);
2747 tcg_gen_rotl_i32(t1, t1, t0);
2748 tcg_gen_extu_i32_tl(t_ra, t1);
2749 tcg_temp_free_i32(t0);
2750 tcg_temp_free_i32(t1);
2751 } else {
2752 #if defined(TARGET_PPC64)
2753 TCGv_i64 t0 = tcg_temp_new_i64();
2754 tcg_gen_andi_i64(t0, t_rb, 0x1f);
2755 tcg_gen_deposit_i64(t_ra, t_rs, t_rs, 32, 32);
2756 tcg_gen_rotl_i64(t_ra, t_ra, t0);
2757 tcg_temp_free_i64(t0);
2758 #else
2759 g_assert_not_reached();
2760 #endif
2761 }
2762
2763 tcg_gen_andi_tl(t_ra, t_ra, mask);
2764
2765 if (unlikely(Rc(ctx->opcode) != 0)) {
2766 gen_set_Rc0(ctx, t_ra);
2767 }
2768 }
2769
2770 #if defined(TARGET_PPC64)
2771 #define GEN_PPC64_R2(name, opc1, opc2) \
2772 static void glue(gen_, name##0)(DisasContext *ctx) \
2773 { \
2774 gen_##name(ctx, 0); \
2775 } \
2776 \
2777 static void glue(gen_, name##1)(DisasContext *ctx) \
2778 { \
2779 gen_##name(ctx, 1); \
2780 }
2781 #define GEN_PPC64_R4(name, opc1, opc2) \
2782 static void glue(gen_, name##0)(DisasContext *ctx) \
2783 { \
2784 gen_##name(ctx, 0, 0); \
2785 } \
2786 \
2787 static void glue(gen_, name##1)(DisasContext *ctx) \
2788 { \
2789 gen_##name(ctx, 0, 1); \
2790 } \
2791 \
2792 static void glue(gen_, name##2)(DisasContext *ctx) \
2793 { \
2794 gen_##name(ctx, 1, 0); \
2795 } \
2796 \
2797 static void glue(gen_, name##3)(DisasContext *ctx) \
2798 { \
2799 gen_##name(ctx, 1, 1); \
2800 }
2801
2802 static void gen_rldinm(DisasContext *ctx, int mb, int me, int sh)
2803 {
2804 TCGv t_ra = cpu_gpr[rA(ctx->opcode)];
2805 TCGv t_rs = cpu_gpr[rS(ctx->opcode)];
2806 int len = me - mb + 1;
2807 int rsh = (64 - sh) & 63;
2808
2809 if (sh != 0 && len > 0 && me == (63 - sh)) {
2810 tcg_gen_deposit_z_tl(t_ra, t_rs, sh, len);
2811 } else if (me == 63 && rsh + len <= 64) {
2812 tcg_gen_extract_tl(t_ra, t_rs, rsh, len);
2813 } else {
2814 tcg_gen_rotli_tl(t_ra, t_rs, sh);
2815 tcg_gen_andi_tl(t_ra, t_ra, MASK(mb, me));
2816 }
2817 if (unlikely(Rc(ctx->opcode) != 0)) {
2818 gen_set_Rc0(ctx, t_ra);
2819 }
2820 }
2821
2822 /* rldicl - rldicl. */
2823 static inline void gen_rldicl(DisasContext *ctx, int mbn, int shn)
2824 {
2825 uint32_t sh, mb;
2826
2827 sh = SH(ctx->opcode) | (shn << 5);
2828 mb = MB(ctx->opcode) | (mbn << 5);
2829 gen_rldinm(ctx, mb, 63, sh);
2830 }
2831 GEN_PPC64_R4(rldicl, 0x1E, 0x00);
2832
2833 /* rldicr - rldicr. */
2834 static inline void gen_rldicr(DisasContext *ctx, int men, int shn)
2835 {
2836 uint32_t sh, me;
2837
2838 sh = SH(ctx->opcode) | (shn << 5);
2839 me = MB(ctx->opcode) | (men << 5);
2840 gen_rldinm(ctx, 0, me, sh);
2841 }
2842 GEN_PPC64_R4(rldicr, 0x1E, 0x02);
2843
2844 /* rldic - rldic. */
2845 static inline void gen_rldic(DisasContext *ctx, int mbn, int shn)
2846 {
2847 uint32_t sh, mb;
2848
2849 sh = SH(ctx->opcode) | (shn << 5);
2850 mb = MB(ctx->opcode) | (mbn << 5);
2851 gen_rldinm(ctx, mb, 63 - sh, sh);
2852 }
2853 GEN_PPC64_R4(rldic, 0x1E, 0x04);
2854
2855 static void gen_rldnm(DisasContext *ctx, int mb, int me)
2856 {
2857 TCGv t_ra = cpu_gpr[rA(ctx->opcode)];
2858 TCGv t_rs = cpu_gpr[rS(ctx->opcode)];
2859 TCGv t_rb = cpu_gpr[rB(ctx->opcode)];
2860 TCGv t0;
2861
2862 t0 = tcg_temp_new();
2863 tcg_gen_andi_tl(t0, t_rb, 0x3f);
2864 tcg_gen_rotl_tl(t_ra, t_rs, t0);
2865 tcg_temp_free(t0);
2866
2867 tcg_gen_andi_tl(t_ra, t_ra, MASK(mb, me));
2868 if (unlikely(Rc(ctx->opcode) != 0)) {
2869 gen_set_Rc0(ctx, t_ra);
2870 }
2871 }
2872
2873 /* rldcl - rldcl. */
2874 static inline void gen_rldcl(DisasContext *ctx, int mbn)
2875 {
2876 uint32_t mb;
2877
2878 mb = MB(ctx->opcode) | (mbn << 5);
2879 gen_rldnm(ctx, mb, 63);
2880 }
2881 GEN_PPC64_R2(rldcl, 0x1E, 0x08);
2882
2883 /* rldcr - rldcr. */
2884 static inline void gen_rldcr(DisasContext *ctx, int men)
2885 {
2886 uint32_t me;
2887
2888 me = MB(ctx->opcode) | (men << 5);
2889 gen_rldnm(ctx, 0, me);
2890 }
2891 GEN_PPC64_R2(rldcr, 0x1E, 0x09);
2892
2893 /* rldimi - rldimi. */
2894 static void gen_rldimi(DisasContext *ctx, int mbn, int shn)
2895 {
2896 TCGv t_ra = cpu_gpr[rA(ctx->opcode)];
2897 TCGv t_rs = cpu_gpr[rS(ctx->opcode)];
2898 uint32_t sh = SH(ctx->opcode) | (shn << 5);
2899 uint32_t mb = MB(ctx->opcode) | (mbn << 5);
2900 uint32_t me = 63 - sh;
2901
2902 if (mb <= me) {
2903 tcg_gen_deposit_tl(t_ra, t_ra, t_rs, sh, me - mb + 1);
2904 } else {
2905 target_ulong mask = MASK(mb, me);
2906 TCGv t1 = tcg_temp_new();
2907
2908 tcg_gen_rotli_tl(t1, t_rs, sh);
2909 tcg_gen_andi_tl(t1, t1, mask);
2910 tcg_gen_andi_tl(t_ra, t_ra, ~mask);
2911 tcg_gen_or_tl(t_ra, t_ra, t1);
2912 tcg_temp_free(t1);
2913 }
2914 if (unlikely(Rc(ctx->opcode) != 0)) {
2915 gen_set_Rc0(ctx, t_ra);
2916 }
2917 }
2918 GEN_PPC64_R4(rldimi, 0x1E, 0x06);
2919 #endif
2920
2921 /*** Integer shift ***/
2922
2923 /* slw & slw. */
2924 static void gen_slw(DisasContext *ctx)
2925 {
2926 TCGv t0, t1;
2927
2928 t0 = tcg_temp_new();
2929 /* AND rS with a mask that is 0 when rB >= 0x20 */
2930 #if defined(TARGET_PPC64)
2931 tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x3a);
2932 tcg_gen_sari_tl(t0, t0, 0x3f);
2933 #else
2934 tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1a);
2935 tcg_gen_sari_tl(t0, t0, 0x1f);
2936 #endif
2937 tcg_gen_andc_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
2938 t1 = tcg_temp_new();
2939 tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1f);
2940 tcg_gen_shl_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
2941 tcg_temp_free(t1);
2942 tcg_temp_free(t0);
2943 tcg_gen_ext32u_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
2944 if (unlikely(Rc(ctx->opcode) != 0)) {
2945 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
2946 }
2947 }
2948
2949 /* sraw & sraw. */
2950 static void gen_sraw(DisasContext *ctx)
2951 {
2952 gen_helper_sraw(cpu_gpr[rA(ctx->opcode)], cpu_env,
2953 cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
2954 if (unlikely(Rc(ctx->opcode) != 0)) {
2955 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
2956 }
2957 }
2958
2959 /* srawi & srawi. */
2960 static void gen_srawi(DisasContext *ctx)
2961 {
2962 int sh = SH(ctx->opcode);
2963 TCGv dst = cpu_gpr[rA(ctx->opcode)];
2964 TCGv src = cpu_gpr[rS(ctx->opcode)];
2965 if (sh == 0) {
2966 tcg_gen_ext32s_tl(dst, src);
2967 tcg_gen_movi_tl(cpu_ca, 0);
2968 if (is_isa300(ctx)) {
2969 tcg_gen_movi_tl(cpu_ca32, 0);
2970 }
2971 } else {
2972 TCGv t0;
2973 tcg_gen_ext32s_tl(dst, src);
2974 tcg_gen_andi_tl(cpu_ca, dst, (1ULL << sh) - 1);
2975 t0 = tcg_temp_new();
2976 tcg_gen_sari_tl(t0, dst, TARGET_LONG_BITS - 1);
2977 tcg_gen_and_tl(cpu_ca, cpu_ca, t0);
2978 tcg_temp_free(t0);
2979 tcg_gen_setcondi_tl(TCG_COND_NE, cpu_ca, cpu_ca, 0);
2980 if (is_isa300(ctx)) {
2981 tcg_gen_mov_tl(cpu_ca32, cpu_ca);
2982 }
2983 tcg_gen_sari_tl(dst, dst, sh);
2984 }
2985 if (unlikely(Rc(ctx->opcode) != 0)) {
2986 gen_set_Rc0(ctx, dst);
2987 }
2988 }
2989
2990 /* srw & srw. */
2991 static void gen_srw(DisasContext *ctx)
2992 {
2993 TCGv t0, t1;
2994
2995 t0 = tcg_temp_new();
2996 /* AND rS with a mask that is 0 when rB >= 0x20 */
2997 #if defined(TARGET_PPC64)
2998 tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x3a);
2999 tcg_gen_sari_tl(t0, t0, 0x3f);
3000 #else
3001 tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1a);
3002 tcg_gen_sari_tl(t0, t0, 0x1f);
3003 #endif
3004 tcg_gen_andc_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
3005 tcg_gen_ext32u_tl(t0, t0);
3006 t1 = tcg_temp_new();
3007 tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1f);
3008 tcg_gen_shr_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
3009 tcg_temp_free(t1);
3010 tcg_temp_free(t0);
3011 if (unlikely(Rc(ctx->opcode) != 0)) {
3012 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
3013 }
3014 }
3015
3016 #if defined(TARGET_PPC64)
3017 /* sld & sld. */
3018 static void gen_sld(DisasContext *ctx)
3019 {
3020 TCGv t0, t1;
3021
3022 t0 = tcg_temp_new();
3023 /* AND rS with a mask that is 0 when rB >= 0x40 */
3024 tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x39);
3025 tcg_gen_sari_tl(t0, t0, 0x3f);
3026 tcg_gen_andc_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
3027 t1 = tcg_temp_new();
3028 tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x3f);
3029 tcg_gen_shl_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
3030 tcg_temp_free(t1);
3031 tcg_temp_free(t0);
3032 if (unlikely(Rc(ctx->opcode) != 0)) {
3033 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
3034 }
3035 }
3036
3037 /* srad & srad. */
3038 static void gen_srad(DisasContext *ctx)
3039 {
3040 gen_helper_srad(cpu_gpr[rA(ctx->opcode)], cpu_env,
3041 cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
3042 if (unlikely(Rc(ctx->opcode) != 0)) {
3043 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
3044 }
3045 }
3046 /* sradi & sradi. */
3047 static inline void gen_sradi(DisasContext *ctx, int n)
3048 {
3049 int sh = SH(ctx->opcode) + (n << 5);
3050 TCGv dst = cpu_gpr[rA(ctx->opcode)];
3051 TCGv src = cpu_gpr[rS(ctx->opcode)];
3052 if (sh == 0) {
3053 tcg_gen_mov_tl(dst, src);
3054 tcg_gen_movi_tl(cpu_ca, 0);
3055 if (is_isa300(ctx)) {
3056 tcg_gen_movi_tl(cpu_ca32, 0);
3057 }
3058 } else {
3059 TCGv t0;
3060 tcg_gen_andi_tl(cpu_ca, src, (1ULL << sh) - 1);
3061 t0 = tcg_temp_new();
3062 tcg_gen_sari_tl(t0, src, TARGET_LONG_BITS - 1);
3063 tcg_gen_and_tl(cpu_ca, cpu_ca, t0);
3064 tcg_temp_free(t0);
3065 tcg_gen_setcondi_tl(TCG_COND_NE, cpu_ca, cpu_ca, 0);
3066 if (is_isa300(ctx)) {
3067 tcg_gen_mov_tl(cpu_ca32, cpu_ca);
3068 }
3069 tcg_gen_sari_tl(dst, src, sh);
3070 }
3071 if (unlikely(Rc(ctx->opcode) != 0)) {
3072 gen_set_Rc0(ctx, dst);
3073 }
3074 }
3075
3076 static void gen_sradi0(DisasContext *ctx)
3077 {
3078 gen_sradi(ctx, 0);
3079 }
3080
3081 static void gen_sradi1(DisasContext *ctx)
3082 {
3083 gen_sradi(ctx, 1);
3084 }
3085
3086 /* extswsli & extswsli. */
3087 static inline void gen_extswsli(DisasContext *ctx, int n)
3088 {
3089 int sh = SH(ctx->opcode) + (n << 5);
3090 TCGv dst = cpu_gpr[rA(ctx->opcode)];
3091 TCGv src = cpu_gpr[rS(ctx->opcode)];
3092
3093 tcg_gen_ext32s_tl(dst, src);
3094 tcg_gen_shli_tl(dst, dst, sh);
3095 if (unlikely(Rc(ctx->opcode) != 0)) {
3096 gen_set_Rc0(ctx, dst);
3097 }
3098 }
3099
3100 static void gen_extswsli0(DisasContext *ctx)
3101 {
3102 gen_extswsli(ctx, 0);
3103 }
3104
3105 static void gen_extswsli1(DisasContext *ctx)
3106 {
3107 gen_extswsli(ctx, 1);
3108 }
3109
3110 /* srd & srd. */
3111 static void gen_srd(DisasContext *ctx)
3112 {
3113 TCGv t0, t1;
3114
3115 t0 = tcg_temp_new();
3116 /* AND rS with a mask that is 0 when rB >= 0x40 */
3117 tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x39);
3118 tcg_gen_sari_tl(t0, t0, 0x3f);
3119 tcg_gen_andc_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
3120 t1 = tcg_temp_new();
3121 tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x3f);
3122 tcg_gen_shr_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
3123 tcg_temp_free(t1);
3124 tcg_temp_free(t0);
3125 if (unlikely(Rc(ctx->opcode) != 0)) {
3126 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
3127 }
3128 }
3129 #endif
3130
3131 /*** Addressing modes ***/
3132 /* Register indirect with immediate index : EA = (rA|0) + SIMM */
3133 static inline void gen_addr_imm_index(DisasContext *ctx, TCGv EA,
3134 target_long maskl)
3135 {
3136 target_long simm = SIMM(ctx->opcode);
3137
3138 simm &= ~maskl;
3139 if (rA(ctx->opcode) == 0) {
3140 if (NARROW_MODE(ctx)) {
3141 simm = (uint32_t)simm;
3142 }
3143 tcg_gen_movi_tl(EA, simm);
3144 } else if (likely(simm != 0)) {
3145 tcg_gen_addi_tl(EA, cpu_gpr[rA(ctx->opcode)], simm);
3146 if (NARROW_MODE(ctx)) {
3147 tcg_gen_ext32u_tl(EA, EA);
3148 }
3149 } else {
3150 if (NARROW_MODE(ctx)) {
3151 tcg_gen_ext32u_tl(EA, cpu_gpr[rA(ctx->opcode)]);
3152 } else {
3153 tcg_gen_mov_tl(EA, cpu_gpr[rA(ctx->opcode)]);
3154 }
3155 }
3156 }
3157
3158 static inline void gen_addr_reg_index(DisasContext *ctx, TCGv EA)
3159 {
3160 if (rA(ctx->opcode) == 0) {
3161 if (NARROW_MODE(ctx)) {
3162 tcg_gen_ext32u_tl(EA, cpu_gpr[rB(ctx->opcode)]);
3163 } else {
3164 tcg_gen_mov_tl(EA, cpu_gpr[rB(ctx->opcode)]);
3165 }
3166 } else {
3167 tcg_gen_add_tl(EA, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
3168 if (NARROW_MODE(ctx)) {
3169 tcg_gen_ext32u_tl(EA, EA);
3170 }
3171 }
3172 }
3173
3174 static inline void gen_addr_register(DisasContext *ctx, TCGv EA)
3175 {
3176 if (rA(ctx->opcode) == 0) {
3177 tcg_gen_movi_tl(EA, 0);
3178 } else if (NARROW_MODE(ctx)) {
3179 tcg_gen_ext32u_tl(EA, cpu_gpr[rA(ctx->opcode)]);
3180 } else {
3181 tcg_gen_mov_tl(EA, cpu_gpr[rA(ctx->opcode)]);
3182 }
3183 }
3184
3185 static inline void gen_addr_add(DisasContext *ctx, TCGv ret, TCGv arg1,
3186 target_long val)
3187 {
3188 tcg_gen_addi_tl(ret, arg1, val);
3189 if (NARROW_MODE(ctx)) {
3190 tcg_gen_ext32u_tl(ret, ret);
3191 }
3192 }
3193
3194 static inline void gen_align_no_le(DisasContext *ctx)
3195 {
3196 gen_exception_err(ctx, POWERPC_EXCP_ALIGN,
3197 (ctx->opcode & 0x03FF0000) | POWERPC_EXCP_ALIGN_LE);
3198 }
3199
3200 static TCGv do_ea_calc(DisasContext *ctx, int ra, TCGv displ)
3201 {
3202 TCGv ea = tcg_temp_new();
3203 if (ra) {
3204 tcg_gen_add_tl(ea, cpu_gpr[ra], displ);
3205 } else {
3206 tcg_gen_mov_tl(ea, displ);
3207 }
3208 if (NARROW_MODE(ctx)) {
3209 tcg_gen_ext32u_tl(ea, ea);
3210 }
3211 return ea;
3212 }
3213
3214 /*** Integer load ***/
3215 #define DEF_MEMOP(op) ((op) | ctx->default_tcg_memop_mask)
3216 #define BSWAP_MEMOP(op) ((op) | (ctx->default_tcg_memop_mask ^ MO_BSWAP))
3217
3218 #define GEN_QEMU_LOAD_TL(ldop, op) \
3219 static void glue(gen_qemu_, ldop)(DisasContext *ctx, \
3220 TCGv val, \
3221 TCGv addr) \
3222 { \
3223 tcg_gen_qemu_ld_tl(val, addr, ctx->mem_idx, op); \
3224 }
3225
3226 GEN_QEMU_LOAD_TL(ld8u, DEF_MEMOP(MO_UB))
3227 GEN_QEMU_LOAD_TL(ld16u, DEF_MEMOP(MO_UW))
3228 GEN_QEMU_LOAD_TL(ld16s, DEF_MEMOP(MO_SW))
3229 GEN_QEMU_LOAD_TL(ld32u, DEF_MEMOP(MO_UL))
3230 GEN_QEMU_LOAD_TL(ld32s, DEF_MEMOP(MO_SL))
3231
3232 GEN_QEMU_LOAD_TL(ld16ur, BSWAP_MEMOP(MO_UW))
3233 GEN_QEMU_LOAD_TL(ld32ur, BSWAP_MEMOP(MO_UL))
3234
3235 #define GEN_QEMU_LOAD_64(ldop, op) \
3236 static void glue(gen_qemu_, glue(ldop, _i64))(DisasContext *ctx, \
3237 TCGv_i64 val, \
3238 TCGv addr) \
3239 { \
3240 tcg_gen_qemu_ld_i64(val, addr, ctx->mem_idx, op); \
3241 }
3242
3243 GEN_QEMU_LOAD_64(ld8u, DEF_MEMOP(MO_UB))
3244 GEN_QEMU_LOAD_64(ld16u, DEF_MEMOP(MO_UW))
3245 GEN_QEMU_LOAD_64(ld32u, DEF_MEMOP(MO_UL))
3246 GEN_QEMU_LOAD_64(ld32s, DEF_MEMOP(MO_SL))
3247 GEN_QEMU_LOAD_64(ld64, DEF_MEMOP(MO_Q))
3248
3249 #if defined(TARGET_PPC64)
3250 GEN_QEMU_LOAD_64(ld64ur, BSWAP_MEMOP(MO_Q))
3251 #endif
3252
3253 #define GEN_QEMU_STORE_TL(stop, op) \
3254 static void glue(gen_qemu_, stop)(DisasContext *ctx, \
3255 TCGv val, \
3256 TCGv addr) \
3257 { \
3258 tcg_gen_qemu_st_tl(val, addr, ctx->mem_idx, op); \
3259 }
3260
3261 #if defined(TARGET_PPC64) || !defined(CONFIG_USER_ONLY)
3262 GEN_QEMU_STORE_TL(st8, DEF_MEMOP(MO_UB))
3263 #endif
3264 GEN_QEMU_STORE_TL(st16, DEF_MEMOP(MO_UW))
3265 GEN_QEMU_STORE_TL(st32, DEF_MEMOP(MO_UL))
3266
3267 GEN_QEMU_STORE_TL(st16r, BSWAP_MEMOP(MO_UW))
3268 GEN_QEMU_STORE_TL(st32r, BSWAP_MEMOP(MO_UL))
3269
3270 #define GEN_QEMU_STORE_64(stop, op) \
3271 static void glue(gen_qemu_, glue(stop, _i64))(DisasContext *ctx, \
3272 TCGv_i64 val, \
3273 TCGv addr) \
3274 { \
3275 tcg_gen_qemu_st_i64(val, addr, ctx->mem_idx, op); \
3276 }
3277
3278 GEN_QEMU_STORE_64(st8, DEF_MEMOP(MO_UB))
3279 GEN_QEMU_STORE_64(st16, DEF_MEMOP(MO_UW))
3280 GEN_QEMU_STORE_64(st32, DEF_MEMOP(MO_UL))
3281 GEN_QEMU_STORE_64(st64, DEF_MEMOP(MO_Q))
3282
3283 #if defined(TARGET_PPC64)
3284 GEN_QEMU_STORE_64(st64r, BSWAP_MEMOP(MO_Q))
3285 #endif
3286
3287 #define GEN_LDX_E(name, ldop, opc2, opc3, type, type2, chk) \
3288 static void glue(gen_, name##x)(DisasContext *ctx) \
3289 { \
3290 TCGv EA; \
3291 chk; \
3292 gen_set_access_type(ctx, ACCESS_INT); \
3293 EA = tcg_temp_new(); \
3294 gen_addr_reg_index(ctx, EA); \
3295 gen_qemu_##ldop(ctx, cpu_gpr[rD(ctx->opcode)], EA); \
3296 tcg_temp_free(EA); \
3297 }
3298
3299 #define GEN_LDX(name, ldop, opc2, opc3, type) \
3300 GEN_LDX_E(name, ldop, opc2, opc3, type, PPC_NONE, CHK_NONE)
3301
3302 #define GEN_LDX_HVRM(name, ldop, opc2, opc3, type) \
3303 GEN_LDX_E(name, ldop, opc2, opc3, type, PPC_NONE, CHK_HVRM)
3304
3305 #define GEN_LDEPX(name, ldop, opc2, opc3) \
3306 static void glue(gen_, name##epx)(DisasContext *ctx) \
3307 { \
3308 TCGv EA; \
3309 CHK_SV; \
3310 gen_set_access_type(ctx, ACCESS_INT); \
3311 EA = tcg_temp_new(); \
3312 gen_addr_reg_index(ctx, EA); \
3313 tcg_gen_qemu_ld_tl(cpu_gpr[rD(ctx->opcode)], EA, PPC_TLB_EPID_LOAD, ldop);\
3314 tcg_temp_free(EA); \
3315 }
3316
3317 GEN_LDEPX(lb, DEF_MEMOP(MO_UB), 0x1F, 0x02)
3318 GEN_LDEPX(lh, DEF_MEMOP(MO_UW), 0x1F, 0x08)
3319 GEN_LDEPX(lw, DEF_MEMOP(MO_UL), 0x1F, 0x00)
3320 #if defined(TARGET_PPC64)
3321 GEN_LDEPX(ld, DEF_MEMOP(MO_Q), 0x1D, 0x00)
3322 #endif
3323
3324 #if defined(TARGET_PPC64)
3325 /* CI load/store variants */
3326 GEN_LDX_HVRM(ldcix, ld64_i64, 0x15, 0x1b, PPC_CILDST)
3327 GEN_LDX_HVRM(lwzcix, ld32u, 0x15, 0x15, PPC_CILDST)
3328 GEN_LDX_HVRM(lhzcix, ld16u, 0x15, 0x19, PPC_CILDST)
3329 GEN_LDX_HVRM(lbzcix, ld8u, 0x15, 0x1a, PPC_CILDST)
3330 #endif
3331
3332 /*** Integer store ***/
3333 #define GEN_STX_E(name, stop, opc2, opc3, type, type2, chk) \
3334 static void glue(gen_, name##x)(DisasContext *ctx) \
3335 { \
3336 TCGv EA; \
3337 chk; \
3338 gen_set_access_type(ctx, ACCESS_INT); \
3339 EA = tcg_temp_new(); \
3340 gen_addr_reg_index(ctx, EA); \
3341 gen_qemu_##stop(ctx, cpu_gpr[rS(ctx->opcode)], EA); \
3342 tcg_temp_free(EA); \
3343 }
3344 #define GEN_STX(name, stop, opc2, opc3, type) \
3345 GEN_STX_E(name, stop, opc2, opc3, type, PPC_NONE, CHK_NONE)
3346
3347 #define GEN_STX_HVRM(name, stop, opc2, opc3, type) \
3348 GEN_STX_E(name, stop, opc2, opc3, type, PPC_NONE, CHK_HVRM)
3349
3350 #define GEN_STEPX(name, stop, opc2, opc3) \
3351 static void glue(gen_, name##epx)(DisasContext *ctx) \
3352 { \
3353 TCGv EA; \
3354 CHK_SV; \
3355 gen_set_access_type(ctx, ACCESS_INT); \
3356 EA = tcg_temp_new(); \
3357 gen_addr_reg_index(ctx, EA); \
3358 tcg_gen_qemu_st_tl( \
3359 cpu_gpr[rD(ctx->opcode)], EA, PPC_TLB_EPID_STORE, stop); \
3360 tcg_temp_free(EA); \
3361 }
3362
3363 GEN_STEPX(stb, DEF_MEMOP(MO_UB), 0x1F, 0x06)
3364 GEN_STEPX(sth, DEF_MEMOP(MO_UW), 0x1F, 0x0C)
3365 GEN_STEPX(stw, DEF_MEMOP(MO_UL), 0x1F, 0x04)
3366 #if defined(TARGET_PPC64)
3367 GEN_STEPX(std, DEF_MEMOP(MO_Q), 0x1d, 0x04)
3368 #endif
3369
3370 #if defined(TARGET_PPC64)
3371 GEN_STX_HVRM(stdcix, st64_i64, 0x15, 0x1f, PPC_CILDST)
3372 GEN_STX_HVRM(stwcix, st32, 0x15, 0x1c, PPC_CILDST)
3373 GEN_STX_HVRM(sthcix, st16, 0x15, 0x1d, PPC_CILDST)
3374 GEN_STX_HVRM(stbcix, st8, 0x15, 0x1e, PPC_CILDST)
3375 #endif
3376 /*** Integer load and store with byte reverse ***/
3377
3378 /* lhbrx */
3379 GEN_LDX(lhbr, ld16ur, 0x16, 0x18, PPC_INTEGER);
3380
3381 /* lwbrx */
3382 GEN_LDX(lwbr, ld32ur, 0x16, 0x10, PPC_INTEGER);
3383
3384 #if defined(TARGET_PPC64)
3385 /* ldbrx */
3386 GEN_LDX_E(ldbr, ld64ur_i64, 0x14, 0x10, PPC_NONE, PPC2_DBRX, CHK_NONE);
3387 /* stdbrx */
3388 GEN_STX_E(stdbr, st64r_i64, 0x14, 0x14, PPC_NONE, PPC2_DBRX, CHK_NONE);
3389 #endif /* TARGET_PPC64 */
3390
3391 /* sthbrx */
3392 GEN_STX(sthbr, st16r, 0x16, 0x1C, PPC_INTEGER);
3393 /* stwbrx */
3394 GEN_STX(stwbr, st32r, 0x16, 0x14, PPC_INTEGER);
3395
3396 /*** Integer load and store multiple ***/
3397
3398 /* lmw */
3399 static void gen_lmw(DisasContext *ctx)
3400 {
3401 TCGv t0;
3402 TCGv_i32 t1;
3403
3404 if (ctx->le_mode) {
3405 gen_align_no_le(ctx);
3406 return;
3407 }
3408 gen_set_access_type(ctx, ACCESS_INT);
3409 t0 = tcg_temp_new();
3410 t1 = tcg_const_i32(rD(ctx->opcode));
3411 gen_addr_imm_index(ctx, t0, 0);
3412 gen_helper_lmw(cpu_env, t0, t1);
3413 tcg_temp_free(t0);
3414 tcg_temp_free_i32(t1);
3415 }
3416
3417 /* stmw */
3418 static void gen_stmw(DisasContext *ctx)
3419 {
3420 TCGv t0;
3421 TCGv_i32 t1;
3422
3423 if (ctx->le_mode) {
3424 gen_align_no_le(ctx);
3425 return;
3426 }
3427 gen_set_access_type(ctx, ACCESS_INT);
3428 t0 = tcg_temp_new();
3429 t1 = tcg_const_i32(rS(ctx->opcode));
3430 gen_addr_imm_index(ctx, t0, 0);
3431 gen_helper_stmw(cpu_env, t0, t1);
3432 tcg_temp_free(t0);
3433 tcg_temp_free_i32(t1);
3434 }
3435
3436 /*** Integer load and store strings ***/
3437
3438 /* lswi */
3439 /*
3440 * PowerPC32 specification says we must generate an exception if rA is
3441 * in the range of registers to be loaded. In an other hand, IBM says
3442 * this is valid, but rA won't be loaded. For now, I'll follow the
3443 * spec...
3444 */
3445 static void gen_lswi(DisasContext *ctx)
3446 {
3447 TCGv t0;
3448 TCGv_i32 t1, t2;
3449 int nb = NB(ctx->opcode);
3450 int start = rD(ctx->opcode);
3451 int ra = rA(ctx->opcode);
3452 int nr;
3453
3454 if (ctx->le_mode) {
3455 gen_align_no_le(ctx);
3456 return;
3457 }
3458 if (nb == 0) {
3459 nb = 32;
3460 }
3461 nr = DIV_ROUND_UP(nb, 4);
3462 if (unlikely(lsw_reg_in_range(start, nr, ra))) {
3463 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_LSWX);
3464 return;
3465 }
3466 gen_set_access_type(ctx, ACCESS_INT);
3467 t0 = tcg_temp_new();
3468 gen_addr_register(ctx, t0);
3469 t1 = tcg_const_i32(nb);
3470 t2 = tcg_const_i32(start);
3471 gen_helper_lsw(cpu_env, t0, t1, t2);
3472 tcg_temp_free(t0);
3473 tcg_temp_free_i32(t1);
3474 tcg_temp_free_i32(t2);
3475 }
3476
3477 /* lswx */
3478 static void gen_lswx(DisasContext *ctx)
3479 {
3480 TCGv t0;
3481 TCGv_i32 t1, t2, t3;
3482
3483 if (ctx->le_mode) {
3484 gen_align_no_le(ctx);
3485 return;
3486 }
3487 gen_set_access_type(ctx, ACCESS_INT);
3488 t0 = tcg_temp_new();
3489 gen_addr_reg_index(ctx, t0);
3490 t1 = tcg_const_i32(rD(ctx->opcode));
3491 t2 = tcg_const_i32(rA(ctx->opcode));
3492 t3 = tcg_const_i32(rB(ctx->opcode));
3493 gen_helper_lswx(cpu_env, t0, t1, t2, t3);
3494 tcg_temp_free(t0);
3495 tcg_temp_free_i32(t1);
3496 tcg_temp_free_i32(t2);
3497 tcg_temp_free_i32(t3);
3498 }
3499
3500 /* stswi */
3501 static void gen_stswi(DisasContext *ctx)
3502 {
3503 TCGv t0;
3504 TCGv_i32 t1, t2;
3505 int nb = NB(ctx->opcode);
3506
3507 if (ctx->le_mode) {
3508 gen_align_no_le(ctx);
3509 return;
3510 }
3511 gen_set_access_type(ctx, ACCESS_INT);
3512 t0 = tcg_temp_new();
3513 gen_addr_register(ctx, t0);
3514 if (nb == 0) {
3515 nb = 32;
3516 }
3517 t1 = tcg_const_i32(nb);
3518 t2 = tcg_const_i32(rS(ctx->opcode));
3519 gen_helper_stsw(cpu_env, t0, t1, t2);
3520 tcg_temp_free(t0);
3521 tcg_temp_free_i32(t1);
3522 tcg_temp_free_i32(t2);
3523 }
3524
3525 /* stswx */
3526 static void gen_stswx(DisasContext *ctx)
3527 {
3528 TCGv t0;
3529 TCGv_i32 t1, t2;
3530
3531 if (ctx->le_mode) {
3532 gen_align_no_le(ctx);
3533 return;
3534 }
3535 gen_set_access_type(ctx, ACCESS_INT);
3536 t0 = tcg_temp_new();
3537 gen_addr_reg_index(ctx, t0);
3538 t1 = tcg_temp_new_i32();
3539 tcg_gen_trunc_tl_i32(t1, cpu_xer);
3540 tcg_gen_andi_i32(t1, t1, 0x7F);
3541 t2 = tcg_const_i32(rS(ctx->opcode));
3542 gen_helper_stsw(cpu_env, t0, t1, t2);
3543 tcg_temp_free(t0);
3544 tcg_temp_free_i32(t1);
3545 tcg_temp_free_i32(t2);
3546 }
3547
3548 /*** Memory synchronisation ***/
3549 /* eieio */
3550 static void gen_eieio(DisasContext *ctx)
3551 {
3552 TCGBar bar = TCG_MO_LD_ST;
3553
3554 /*
3555 * POWER9 has a eieio instruction variant using bit 6 as a hint to
3556 * tell the CPU it is a store-forwarding barrier.
3557 */
3558 if (ctx->opcode & 0x2000000) {
3559 /*
3560 * ISA says that "Reserved fields in instructions are ignored
3561 * by the processor". So ignore the bit 6 on non-POWER9 CPU but
3562 * as this is not an instruction software should be using,
3563 * complain to the user.
3564 */
3565 if (!(ctx->insns_flags2 & PPC2_ISA300)) {
3566 qemu_log_mask(LOG_GUEST_ERROR, "invalid eieio using bit 6 at @"
3567 TARGET_FMT_lx "\n", ctx->cia);
3568 } else {
3569 bar = TCG_MO_ST_LD;
3570 }
3571 }
3572
3573 tcg_gen_mb(bar | TCG_BAR_SC);
3574 }
3575
3576 #if !defined(CONFIG_USER_ONLY)
3577 static inline void gen_check_tlb_flush(DisasContext *ctx, bool global)
3578 {
3579 TCGv_i32 t;
3580 TCGLabel *l;
3581
3582 if (!ctx->lazy_tlb_flush) {
3583 return;
3584 }
3585 l = gen_new_label();
3586 t = tcg_temp_new_i32();
3587 tcg_gen_ld_i32(t, cpu_env, offsetof(CPUPPCState, tlb_need_flush));
3588 tcg_gen_brcondi_i32(TCG_COND_EQ, t, 0, l);
3589 if (global) {
3590 gen_helper_check_tlb_flush_global(cpu_env);
3591 } else {
3592 gen_helper_check_tlb_flush_local(cpu_env);
3593 }
3594 gen_set_label(l);
3595 tcg_temp_free_i32(t);
3596 }
3597 #else
3598 static inline void gen_check_tlb_flush(DisasContext *ctx, bool global) { }
3599 #endif
3600
3601 /* isync */
3602 static void gen_isync(DisasContext *ctx)
3603 {
3604 /*
3605 * We need to check for a pending TLB flush. This can only happen in
3606 * kernel mode however so check MSR_PR
3607 */
3608 if (!ctx->pr) {
3609 gen_check_tlb_flush(ctx, false);
3610 }
3611 tcg_gen_mb(TCG_MO_ALL | TCG_BAR_SC);
3612 ctx->base.is_jmp = DISAS_EXIT_UPDATE;
3613 }
3614
3615 #define MEMOP_GET_SIZE(x) (1 << ((x) & MO_SIZE))
3616
3617 static void gen_load_locked(DisasContext *ctx, MemOp memop)
3618 {
3619 TCGv gpr = cpu_gpr[rD(ctx->opcode)];
3620 TCGv t0 = tcg_temp_new();
3621
3622 gen_set_access_type(ctx, ACCESS_RES);
3623 gen_addr_reg_index(ctx, t0);
3624 tcg_gen_qemu_ld_tl(gpr, t0, ctx->mem_idx, memop | MO_ALIGN);
3625 tcg_gen_mov_tl(cpu_reserve, t0);
3626 tcg_gen_mov_tl(cpu_reserve_val, gpr);
3627 tcg_gen_mb(TCG_MO_ALL | TCG_BAR_LDAQ);
3628 tcg_temp_free(t0);
3629 }
3630
3631 #define LARX(name, memop) \
3632 static void gen_##name(DisasContext *ctx) \
3633 { \
3634 gen_load_locked(ctx, memop); \
3635 }
3636
3637 /* lwarx */
3638 LARX(lbarx, DEF_MEMOP(MO_UB))
3639 LARX(lharx, DEF_MEMOP(MO_UW))
3640 LARX(lwarx, DEF_MEMOP(MO_UL))
3641
3642 static void gen_fetch_inc_conditional(DisasContext *ctx, MemOp memop,
3643 TCGv EA, TCGCond cond, int addend)
3644 {
3645 TCGv t = tcg_temp_new();
3646 TCGv t2 = tcg_temp_new();
3647 TCGv u = tcg_temp_new();
3648
3649 tcg_gen_qemu_ld_tl(t, EA, ctx->mem_idx, memop);
3650 tcg_gen_addi_tl(t2, EA, MEMOP_GET_SIZE(memop));
3651 tcg_gen_qemu_ld_tl(t2, t2, ctx->mem_idx, memop);
3652 tcg_gen_addi_tl(u, t, addend);
3653
3654 /* E.g. for fetch and increment bounded... */
3655 /* mem(EA,s) = (t != t2 ? u = t + 1 : t) */
3656 tcg_gen_movcond_tl(cond, u, t, t2, u, t);
3657 tcg_gen_qemu_st_tl(u, EA, ctx->mem_idx, memop);
3658
3659 /* RT = (t != t2 ? t : u = 1<<(s*8-1)) */
3660 tcg_gen_movi_tl(u, 1 << (MEMOP_GET_SIZE(memop) * 8 - 1));
3661 tcg_gen_movcond_tl(cond, cpu_gpr[rD(ctx->opcode)], t, t2, t, u);
3662
3663 tcg_temp_free(t);
3664 tcg_temp_free(t2);
3665 tcg_temp_free(u);
3666 }
3667
3668 static void gen_ld_atomic(DisasContext *ctx, MemOp memop)
3669 {
3670 uint32_t gpr_FC = FC(ctx->opcode);
3671 TCGv EA = tcg_temp_new();
3672 int rt = rD(ctx->opcode);
3673 bool need_serial;
3674 TCGv src, dst;
3675
3676 gen_addr_register(ctx, EA);
3677 dst = cpu_gpr[rt];
3678 src = cpu_gpr[(rt + 1) & 31];
3679
3680 need_serial = false;
3681 memop |= MO_ALIGN;
3682 switch (gpr_FC) {
3683 case 0: /* Fetch and add */
3684 tcg_gen_atomic_fetch_add_tl(dst, EA, src, ctx->mem_idx, memop);
3685 break;
3686 case 1: /* Fetch and xor */
3687 tcg_gen_atomic_fetch_xor_tl(dst, EA, src, ctx->mem_idx, memop);
3688 break;
3689 case 2: /* Fetch and or */
3690 tcg_gen_atomic_fetch_or_tl(dst, EA, src, ctx->mem_idx, memop);
3691 break;
3692 case 3: /* Fetch and 'and' */
3693 tcg_gen_atomic_fetch_and_tl(dst, EA, src, ctx->mem_idx, memop);
3694 break;
3695 case 4: /* Fetch and max unsigned */
3696 tcg_gen_atomic_fetch_umax_tl(dst, EA, src, ctx->mem_idx, memop);
3697 break;
3698 case 5: /* Fetch and max signed */
3699 tcg_gen_atomic_fetch_smax_tl(dst, EA, src, ctx->mem_idx, memop);
3700 break;
3701 case 6: /* Fetch and min unsigned */
3702 tcg_gen_atomic_fetch_umin_tl(dst, EA, src, ctx->mem_idx, memop);
3703 break;
3704 case 7: /* Fetch and min signed */
3705 tcg_gen_atomic_fetch_smin_tl(dst, EA, src, ctx->mem_idx, memop);
3706 break;
3707 case 8: /* Swap */
3708 tcg_gen_atomic_xchg_tl(dst, EA, src, ctx->mem_idx, memop);
3709 break;
3710
3711 case 16: /* Compare and swap not equal */
3712 if (tb_cflags(ctx->base.tb) & CF_PARALLEL) {
3713 need_serial = true;
3714 } else {
3715 TCGv t0 = tcg_temp_new();
3716 TCGv t1 = tcg_temp_new();
3717
3718 tcg_gen_qemu_ld_tl(t0, EA, ctx->mem_idx, memop);
3719 if ((memop & MO_SIZE) == MO_64 || TARGET_LONG_BITS == 32) {
3720 tcg_gen_mov_tl(t1, src);
3721 } else {
3722 tcg_gen_ext32u_tl(t1, src);
3723 }
3724 tcg_gen_movcond_tl(TCG_COND_NE, t1, t0, t1,
3725 cpu_gpr[(rt + 2) & 31], t0);
3726 tcg_gen_qemu_st_tl(t1, EA, ctx->mem_idx, memop);
3727 tcg_gen_mov_tl(dst, t0);
3728
3729 tcg_temp_free(t0);
3730 tcg_temp_free(t1);
3731 }
3732 break;
3733
3734 case 24: /* Fetch and increment bounded */
3735 if (tb_cflags(ctx->base.tb) & CF_PARALLEL) {
3736 need_serial = true;
3737 } else {
3738 gen_fetch_inc_conditional(ctx, memop, EA, TCG_COND_NE, 1);
3739 }
3740 break;
3741 case 25: /* Fetch and increment equal */
3742 if (tb_cflags(ctx->base.tb) & CF_PARALLEL) {
3743 need_serial = true;
3744 } else {
3745 gen_fetch_inc_conditional(ctx, memop, EA, TCG_COND_EQ, 1);
3746 }
3747 break;
3748 case 28: /* Fetch and decrement bounded */
3749 if (tb_cflags(ctx->base.tb) & CF_PARALLEL) {
3750 need_serial = true;
3751 } else {
3752 gen_fetch_inc_conditional(ctx, memop, EA, TCG_COND_NE, -1);
3753 }
3754 break;
3755
3756 default:
3757 /* invoke data storage error handler */
3758 gen_exception_err(ctx, POWERPC_EXCP_DSI, POWERPC_EXCP_INVAL);
3759 }
3760 tcg_temp_free(EA);
3761
3762 if (need_serial) {
3763 /* Restart with exclusive lock. */
3764 gen_helper_exit_atomic(cpu_env);
3765 ctx->base.is_jmp = DISAS_NORETURN;
3766 }
3767 }
3768
3769 static void gen_lwat(DisasContext *ctx)
3770 {
3771 gen_ld_atomic(ctx, DEF_MEMOP(MO_UL));
3772 }
3773
3774 #ifdef TARGET_PPC64
3775 static void gen_ldat(DisasContext *ctx)
3776 {
3777 gen_ld_atomic(ctx, DEF_MEMOP(MO_Q));
3778 }
3779 #endif
3780
3781 static void gen_st_atomic(DisasContext *ctx, MemOp memop)
3782 {
3783 uint32_t gpr_FC = FC(ctx->opcode);
3784 TCGv EA = tcg_temp_new();
3785 TCGv src, discard;
3786
3787 gen_addr_register(ctx, EA);
3788 src = cpu_gpr[rD(ctx->opcode)];
3789 discard = tcg_temp_new();
3790
3791 memop |= MO_ALIGN;
3792 switch (gpr_FC) {
3793 case 0: /* add and Store */
3794 tcg_gen_atomic_add_fetch_tl(discard, EA, src, ctx->mem_idx, memop);
3795 break;
3796 case 1: /* xor and Store */
3797 tcg_gen_atomic_xor_fetch_tl(discard, EA, src, ctx->mem_idx, memop);
3798 break;
3799 case 2: /* Or and Store */
3800 tcg_gen_atomic_or_fetch_tl(discard, EA, src, ctx->mem_idx, memop);
3801 break;
3802 case 3: /* 'and' and Store */
3803 tcg_gen_atomic_and_fetch_tl(discard, EA, src, ctx->mem_idx, memop);
3804 break;
3805 case 4: /* Store max unsigned */
3806 tcg_gen_atomic_umax_fetch_tl(discard, EA, src, ctx->mem_idx, memop);
3807 break;
3808 case 5: /* Store max signed */
3809 tcg_gen_atomic_smax_fetch_tl(discard, EA, src, ctx->mem_idx, memop);
3810 break;
3811 case 6: /* Store min unsigned */
3812 tcg_gen_atomic_umin_fetch_tl(discard, EA, src, ctx->mem_idx, memop);
3813 break;
3814 case 7: /* Store min signed */
3815 tcg_gen_atomic_smin_fetch_tl(discard, EA, src, ctx->mem_idx, memop);
3816 break;
3817 case 24: /* Store twin */
3818 if (tb_cflags(ctx->base.tb) & CF_PARALLEL) {
3819 /* Restart with exclusive lock. */
3820 gen_helper_exit_atomic(cpu_env);
3821 ctx->base.is_jmp = DISAS_NORETURN;
3822 } else {
3823 TCGv t = tcg_temp_new();
3824 TCGv t2 = tcg_temp_new();
3825 TCGv s = tcg_temp_new();
3826 TCGv s2 = tcg_temp_new();
3827 TCGv ea_plus_s = tcg_temp_new();
3828
3829 tcg_gen_qemu_ld_tl(t, EA, ctx->mem_idx, memop);
3830 tcg_gen_addi_tl(ea_plus_s, EA, MEMOP_GET_SIZE(memop));
3831 tcg_gen_qemu_ld_tl(t2, ea_plus_s, ctx->mem_idx, memop);
3832 tcg_gen_movcond_tl(TCG_COND_EQ, s, t, t2, src, t);
3833 tcg_gen_movcond_tl(TCG_COND_EQ, s2, t, t2, src, t2);
3834 tcg_gen_qemu_st_tl(s, EA, ctx->mem_idx, memop);
3835 tcg_gen_qemu_st_tl(s2, ea_plus_s, ctx->mem_idx, memop);
3836
3837 tcg_temp_free(ea_plus_s);
3838 tcg_temp_free(s2);
3839 tcg_temp_free(s);
3840 tcg_temp_free(t2);
3841 tcg_temp_free(t);
3842 }
3843 break;
3844 default:
3845 /* invoke data storage error handler */
3846 gen_exception_err(ctx, POWERPC_EXCP_DSI, POWERPC_EXCP_INVAL);
3847 }
3848 tcg_temp_free(discard);
3849 tcg_temp_free(EA);
3850 }
3851
3852 static void gen_stwat(DisasContext *ctx)
3853 {
3854 gen_st_atomic(ctx, DEF_MEMOP(MO_UL));
3855 }
3856
3857 #ifdef TARGET_PPC64
3858 static void gen_stdat(DisasContext *ctx)
3859 {
3860 gen_st_atomic(ctx, DEF_MEMOP(MO_Q));
3861 }
3862 #endif
3863
3864 static void gen_conditional_store(DisasContext *ctx, MemOp memop)
3865 {
3866 TCGLabel *l1 = gen_new_label();
3867 TCGLabel *l2 = gen_new_label();
3868 TCGv t0 = tcg_temp_new();
3869 int reg = rS(ctx->opcode);
3870
3871 gen_set_access_type(ctx, ACCESS_RES);
3872 gen_addr_reg_index(ctx, t0);
3873 tcg_gen_brcond_tl(TCG_COND_NE, t0, cpu_reserve, l1);
3874 tcg_temp_free(t0);
3875
3876 t0 = tcg_temp_new();
3877 tcg_gen_atomic_cmpxchg_tl(t0, cpu_reserve, cpu_reserve_val,
3878 cpu_gpr[reg], ctx->mem_idx,
3879 DEF_MEMOP(memop) | MO_ALIGN);
3880 tcg_gen_setcond_tl(TCG_COND_EQ, t0, t0, cpu_reserve_val);
3881 tcg_gen_shli_tl(t0, t0, CRF_EQ_BIT);
3882 tcg_gen_or_tl(t0, t0, cpu_so);
3883 tcg_gen_trunc_tl_i32(cpu_crf[0], t0);
3884 tcg_temp_free(t0);
3885 tcg_gen_br(l2);
3886
3887 gen_set_label(l1);
3888
3889 /*
3890 * Address mismatch implies failure. But we still need to provide
3891 * the memory barrier semantics of the instruction.
3892 */
3893 tcg_gen_mb(TCG_MO_ALL | TCG_BAR_STRL);
3894 tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so);
3895
3896 gen_set_label(l2);
3897 tcg_gen_movi_tl(cpu_reserve, -1);
3898 }
3899
3900 #define STCX(name, memop) \
3901 static void gen_##name(DisasContext *ctx) \
3902 { \
3903 gen_conditional_store(ctx, memop); \
3904 }
3905
3906 STCX(stbcx_, DEF_MEMOP(MO_UB))
3907 STCX(sthcx_, DEF_MEMOP(MO_UW))
3908 STCX(stwcx_, DEF_MEMOP(MO_UL))
3909
3910 #if defined(TARGET_PPC64)
3911 /* ldarx */
3912 LARX(ldarx, DEF_MEMOP(MO_Q))
3913 /* stdcx. */
3914 STCX(stdcx_, DEF_MEMOP(MO_Q))
3915
3916 /* lqarx */
3917 static void gen_lqarx(DisasContext *ctx)
3918 {
3919 int rd = rD(ctx->opcode);
3920 TCGv EA, hi, lo;
3921
3922 if (unlikely((rd & 1) || (rd == rA(ctx->opcode)) ||
3923 (rd == rB(ctx->opcode)))) {
3924 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
3925 return;
3926 }
3927
3928 gen_set_access_type(ctx, ACCESS_RES);
3929 EA = tcg_temp_new();
3930 gen_addr_reg_index(ctx, EA);
3931
3932 /* Note that the low part is always in RD+1, even in LE mode. */
3933 lo = cpu_gpr[rd + 1];
3934 hi = cpu_gpr[rd];
3935
3936 if (tb_cflags(ctx->base.tb) & CF_PARALLEL) {
3937 if (HAVE_ATOMIC128) {
3938 TCGv_i32 oi = tcg_temp_new_i32();
3939 if (ctx->le_mode) {
3940 tcg_gen_movi_i32(oi, make_memop_idx(MO_LE | MO_128 | MO_ALIGN,
3941 ctx->mem_idx));
3942 gen_helper_lq_le_parallel(lo, cpu_env, EA, oi);
3943 } else {
3944 tcg_gen_movi_i32(oi, make_memop_idx(MO_BE | MO_128 | MO_ALIGN,
3945 ctx->mem_idx));
3946 gen_helper_lq_be_parallel(lo, cpu_env, EA, oi);
3947 }
3948 tcg_temp_free_i32(oi);
3949 tcg_gen_ld_i64(hi, cpu_env, offsetof(CPUPPCState, retxh));
3950 } else {
3951 /* Restart with exclusive lock. */
3952 gen_helper_exit_atomic(cpu_env);
3953 ctx->base.is_jmp = DISAS_NORETURN;
3954 tcg_temp_free(EA);
3955 return;
3956 }
3957 } else if (ctx->le_mode) {
3958 tcg_gen_qemu_ld_i64(lo, EA, ctx->mem_idx, MO_LEQ | MO_ALIGN_16);
3959 tcg_gen_mov_tl(cpu_reserve, EA);
3960 gen_addr_add(ctx, EA, EA, 8);
3961 tcg_gen_qemu_ld_i64(hi, EA, ctx->mem_idx, MO_LEQ);
3962 } else {
3963 tcg_gen_qemu_ld_i64(hi, EA, ctx->mem_idx, MO_BEQ | MO_ALIGN_16);
3964 tcg_gen_mov_tl(cpu_reserve, EA);
3965 gen_addr_add(ctx, EA, EA, 8);
3966 tcg_gen_qemu_ld_i64(lo, EA, ctx->mem_idx, MO_BEQ);
3967 }
3968 tcg_temp_free(EA);
3969
3970 tcg_gen_st_tl(hi, cpu_env, offsetof(CPUPPCState, reserve_val));
3971 tcg_gen_st_tl(lo, cpu_env, offsetof(CPUPPCState, reserve_val2));
3972 }
3973
3974 /* stqcx. */
3975 static void gen_stqcx_(DisasContext *ctx)
3976 {
3977 int rs = rS(ctx->opcode);
3978 TCGv EA, hi, lo;
3979
3980 if (unlikely(rs & 1)) {
3981 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
3982 return;
3983 }
3984
3985 gen_set_access_type(ctx, ACCESS_RES);
3986 EA = tcg_temp_new();
3987 gen_addr_reg_index(ctx, EA);
3988
3989 /* Note that the low part is always in RS+1, even in LE mode. */
3990 lo = cpu_gpr[rs + 1];
3991 hi = cpu_gpr[rs];
3992
3993 if (tb_cflags(ctx->base.tb) & CF_PARALLEL) {
3994 if (HAVE_CMPXCHG128) {
3995 TCGv_i32 oi = tcg_const_i32(DEF_MEMOP(MO_128) | MO_ALIGN);
3996 if (ctx->le_mode) {
3997 gen_helper_stqcx_le_parallel(cpu_crf[0], cpu_env,
3998 EA, lo, hi, oi);
3999 } else {
4000 gen_helper_stqcx_be_parallel(cpu_crf[0], cpu_env,
4001 EA, lo, hi, oi);
4002 }
4003 tcg_temp_free_i32(oi);
4004 } else {
4005 /* Restart with exclusive lock. */
4006 gen_helper_exit_atomic(cpu_env);
4007 ctx->base.is_jmp = DISAS_NORETURN;
4008 }
4009 tcg_temp_free(EA);
4010 } else {
4011 TCGLabel *lab_fail = gen_new_label();
4012 TCGLabel *lab_over = gen_new_label();
4013 TCGv_i64 t0 = tcg_temp_new_i64();
4014 TCGv_i64 t1 = tcg_temp_new_i64();
4015
4016 tcg_gen_brcond_tl(TCG_COND_NE, EA, cpu_reserve, lab_fail);
4017 tcg_temp_free(EA);
4018
4019 gen_qemu_ld64_i64(ctx, t0, cpu_reserve);
4020 tcg_gen_ld_i64(t1, cpu_env, (ctx->le_mode
4021 ? offsetof(CPUPPCState, reserve_val2)
4022 : offsetof(CPUPPCState, reserve_val)));
4023 tcg_gen_brcond_i64(TCG_COND_NE, t0, t1, lab_fail);
4024
4025 tcg_gen_addi_i64(t0, cpu_reserve, 8);
4026 gen_qemu_ld64_i64(ctx, t0, t0);
4027 tcg_gen_ld_i64(t1, cpu_env, (ctx->le_mode
4028 ? offsetof(CPUPPCState, reserve_val)
4029 : offsetof(CPUPPCState, reserve_val2)));
4030 tcg_gen_brcond_i64(TCG_COND_NE, t0, t1, lab_fail);
4031
4032 /* Success */
4033 gen_qemu_st64_i64(ctx, ctx->le_mode ? lo : hi, cpu_reserve);
4034 tcg_gen_addi_i64(t0, cpu_reserve, 8);
4035 gen_qemu_st64_i64(ctx, ctx->le_mode ? hi : lo, t0);
4036
4037 tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so);
4038 tcg_gen_ori_i32(cpu_crf[0], cpu_crf[0], CRF_EQ);
4039 tcg_gen_br(lab_over);
4040
4041 gen_set_label(lab_fail);
4042 tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so);
4043
4044 gen_set_label(lab_over);
4045 tcg_gen_movi_tl(cpu_reserve, -1);
4046 tcg_temp_free_i64(t0);
4047 tcg_temp_free_i64(t1);
4048 }
4049 }
4050 #endif /* defined(TARGET_PPC64) */
4051
4052 /* sync */
4053 static void gen_sync(DisasContext *ctx)
4054 {
4055 uint32_t l = (ctx->opcode >> 21) & 3;
4056
4057 /*
4058 * We may need to check for a pending TLB flush.
4059 *
4060 * We do this on ptesync (l == 2) on ppc64 and any sync pn ppc32.
4061 *
4062 * Additionally, this can only happen in kernel mode however so
4063 * check MSR_PR as well.
4064 */
4065 if (((l == 2) || !(ctx->insns_flags & PPC_64B)) && !ctx->pr) {
4066 gen_check_tlb_flush(ctx, true);
4067 }
4068 tcg_gen_mb(TCG_MO_ALL | TCG_BAR_SC);
4069 }
4070
4071 /* wait */
4072 static void gen_wait(DisasContext *ctx)
4073 {
4074 TCGv_i32 t0 = tcg_const_i32(1);
4075 tcg_gen_st_i32(t0, cpu_env,
4076 -offsetof(PowerPCCPU, env) + offsetof(CPUState, halted));
4077 tcg_temp_free_i32(t0);
4078 /* Stop translation, as the CPU is supposed to sleep from now */
4079 gen_exception_nip(ctx, EXCP_HLT, ctx->base.pc_next);
4080 }
4081
4082 #if defined(TARGET_PPC64)
4083 static void gen_doze(DisasContext *ctx)
4084 {
4085 #if defined(CONFIG_USER_ONLY)
4086 GEN_PRIV;
4087 #else
4088 TCGv_i32 t;
4089
4090 CHK_HV;
4091 t = tcg_const_i32(PPC_PM_DOZE);
4092 gen_helper_pminsn(cpu_env, t);
4093 tcg_temp_free_i32(t);
4094 /* Stop translation, as the CPU is supposed to sleep from now */
4095 gen_exception_nip(ctx, EXCP_HLT, ctx->base.pc_next);
4096 #endif /* defined(CONFIG_USER_ONLY) */
4097 }
4098
4099 static void gen_nap(DisasContext *ctx)
4100 {
4101 #if defined(CONFIG_USER_ONLY)
4102 GEN_PRIV;
4103 #else
4104 TCGv_i32 t;
4105
4106 CHK_HV;
4107 t = tcg_const_i32(PPC_PM_NAP);
4108 gen_helper_pminsn(cpu_env, t);
4109 tcg_temp_free_i32(t);
4110 /* Stop translation, as the CPU is supposed to sleep from now */
4111 gen_exception_nip(ctx, EXCP_HLT, ctx->base.pc_next);
4112 #endif /* defined(CONFIG_USER_ONLY) */
4113 }
4114
4115 static void gen_stop(DisasContext *ctx)
4116 {
4117 #if defined(CONFIG_USER_ONLY)
4118 GEN_PRIV;
4119 #else
4120 TCGv_i32 t;
4121
4122 CHK_HV;
4123 t = tcg_const_i32(PPC_PM_STOP);
4124 gen_helper_pminsn(cpu_env, t);
4125 tcg_temp_free_i32(t);
4126 /* Stop translation, as the CPU is supposed to sleep from now */
4127 gen_exception_nip(ctx, EXCP_HLT, ctx->base.pc_next);
4128 #endif /* defined(CONFIG_USER_ONLY) */
4129 }
4130
4131 static void gen_sleep(DisasContext *ctx)
4132 {
4133 #if defined(CONFIG_USER_ONLY)
4134 GEN_PRIV;
4135 #else
4136 TCGv_i32 t;
4137
4138 CHK_HV;
4139 t = tcg_const_i32(PPC_PM_SLEEP);
4140 gen_helper_pminsn(cpu_env, t);
4141 tcg_temp_free_i32(t);
4142 /* Stop translation, as the CPU is supposed to sleep from now */
4143 gen_exception_nip(ctx, EXCP_HLT, ctx->base.pc_next);
4144 #endif /* defined(CONFIG_USER_ONLY) */
4145 }
4146
4147 static void gen_rvwinkle(DisasContext *ctx)
4148 {
4149 #if defined(CONFIG_USER_ONLY)
4150 GEN_PRIV;
4151 #else
4152 TCGv_i32 t;
4153
4154 CHK_HV;
4155 t = tcg_const_i32(PPC_PM_RVWINKLE);
4156 gen_helper_pminsn(cpu_env, t);
4157 tcg_temp_free_i32(t);
4158 /* Stop translation, as the CPU is supposed to sleep from now */
4159 gen_exception_nip(ctx, EXCP_HLT, ctx->base.pc_next);
4160 #endif /* defined(CONFIG_USER_ONLY) */
4161 }
4162 #endif /* #if defined(TARGET_PPC64) */
4163
4164 static inline void gen_update_cfar(DisasContext *ctx, target_ulong nip)
4165 {
4166 #if defined(TARGET_PPC64)
4167 if (ctx->has_cfar) {
4168 tcg_gen_movi_tl(cpu_cfar, nip);
4169 }
4170 #endif
4171 }
4172
4173 static inline bool use_goto_tb(DisasContext *ctx, target_ulong dest)
4174 {
4175 return translator_use_goto_tb(&ctx->base, dest);
4176 }
4177
4178 static void gen_lookup_and_goto_ptr(DisasContext *ctx)
4179 {
4180 if (unlikely(ctx->singlestep_enabled)) {
4181 gen_debug_exception(ctx);
4182 } else {
4183 tcg_gen_lookup_and_goto_ptr();
4184 }
4185 }
4186
4187 /*** Branch ***/
4188 static void gen_goto_tb(DisasContext *ctx, int n, target_ulong dest)
4189 {
4190 if (NARROW_MODE(ctx)) {
4191 dest = (uint32_t) dest;
4192 }
4193 if (use_goto_tb(ctx, dest)) {
4194 tcg_gen_goto_tb(n);
4195 tcg_gen_movi_tl(cpu_nip, dest & ~3);
4196 tcg_gen_exit_tb(ctx->base.tb, n);
4197 } else {
4198 tcg_gen_movi_tl(cpu_nip, dest & ~3);
4199 gen_lookup_and_goto_ptr(ctx);
4200 }
4201 }
4202
4203 static inline void gen_setlr(DisasContext *ctx, target_ulong nip)
4204 {
4205 if (NARROW_MODE(ctx)) {
4206 nip = (uint32_t)nip;
4207 }
4208 tcg_gen_movi_tl(cpu_lr, nip);
4209 }
4210
4211 /* b ba bl bla */
4212 static void gen_b(DisasContext *ctx)
4213 {
4214 target_ulong li, target;
4215
4216 /* sign extend LI */
4217 li = LI(ctx->opcode);
4218 li = (li ^ 0x02000000) - 0x02000000;
4219 if (likely(AA(ctx->opcode) == 0)) {
4220 target = ctx->cia + li;
4221 } else {
4222 target = li;
4223 }
4224 if (LK(ctx->opcode)) {
4225 gen_setlr(ctx, ctx->base.pc_next);
4226 }
4227 gen_update_cfar(ctx, ctx->cia);
4228 gen_goto_tb(ctx, 0, target);
4229 ctx->base.is_jmp = DISAS_NORETURN;
4230 }
4231
4232 #define BCOND_IM 0
4233 #define BCOND_LR 1
4234 #define BCOND_CTR 2
4235 #define BCOND_TAR 3
4236
4237 static void gen_bcond(DisasContext *ctx, int type)
4238 {
4239 uint32_t bo = BO(ctx->opcode);
4240 TCGLabel *l1;
4241 TCGv target;
4242
4243 if (type == BCOND_LR || type == BCOND_CTR || type == BCOND_TAR) {
4244 target = tcg_temp_local_new();
4245 if (type == BCOND_CTR) {
4246 tcg_gen_mov_tl(target, cpu_ctr);
4247 } else if (type == BCOND_TAR) {
4248 gen_load_spr(target, SPR_TAR);
4249 } else {
4250 tcg_gen_mov_tl(target, cpu_lr);
4251 }
4252 } else {
4253 target = NULL;
4254 }
4255 if (LK(ctx->opcode)) {
4256 gen_setlr(ctx, ctx->base.pc_next);
4257 }
4258 l1 = gen_new_label();
4259 if ((bo & 0x4) == 0) {
4260 /* Decrement and test CTR */
4261 TCGv temp = tcg_temp_new();
4262
4263 if (type == BCOND_CTR) {
4264 /*
4265 * All ISAs up to v3 describe this form of bcctr as invalid but
4266 * some processors, ie. 64-bit server processors compliant with
4267 * arch 2.x, do implement a "test and decrement" logic instead,
4268 * as described in their respective UMs. This logic involves CTR
4269 * to act as both the branch target and a counter, which makes
4270 * it basically useless and thus never used in real code.
4271 *
4272 * This form was hence chosen to trigger extra micro-architectural
4273 * side-effect on real HW needed for the Spectre v2 workaround.
4274 * It is up to guests that implement such workaround, ie. linux, to
4275 * use this form in a way it just triggers the side-effect without
4276 * doing anything else harmful.
4277 */
4278 if (unlikely(!is_book3s_arch2x(ctx))) {
4279 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
4280 tcg_temp_free(temp);
4281 tcg_temp_free(target);
4282 return;
4283 }
4284
4285 if (NARROW_MODE(ctx)) {
4286 tcg_gen_ext32u_tl(temp, cpu_ctr);
4287 } else {
4288 tcg_gen_mov_tl(temp, cpu_ctr);
4289 }
4290 if (bo & 0x2) {
4291 tcg_gen_brcondi_tl(TCG_COND_NE, temp, 0, l1);
4292 } else {
4293 tcg_gen_brcondi_tl(TCG_COND_EQ, temp, 0, l1);
4294 }
4295 tcg_gen_subi_tl(cpu_ctr, cpu_ctr, 1);
4296 } else {
4297 tcg_gen_subi_tl(cpu_ctr, cpu_ctr, 1);
4298 if (NARROW_MODE(ctx)) {
4299 tcg_gen_ext32u_tl(temp, cpu_ctr);
4300 } else {
4301 tcg_gen_mov_tl(temp, cpu_ctr);
4302 }
4303 if (bo & 0x2) {
4304 tcg_gen_brcondi_tl(TCG_COND_NE, temp, 0, l1);
4305 } else {
4306 tcg_gen_brcondi_tl(TCG_COND_EQ, temp, 0, l1);
4307 }
4308 }
4309 tcg_temp_free(temp);
4310 }
4311 if ((bo & 0x10) == 0) {
4312 /* Test CR */
4313 uint32_t bi = BI(ctx->opcode);
4314 uint32_t mask = 0x08 >> (bi & 0x03);
4315 TCGv_i32 temp = tcg_temp_new_i32();
4316
4317 if (bo & 0x8) {
4318 tcg_gen_andi_i32(temp, cpu_crf[bi >> 2], mask);
4319 tcg_gen_brcondi_i32(TCG_COND_EQ, temp, 0, l1);
4320 } else {
4321 tcg_gen_andi_i32(temp, cpu_crf[bi >> 2], mask);
4322 tcg_gen_brcondi_i32(TCG_COND_NE, temp, 0, l1);
4323 }
4324 tcg_temp_free_i32(temp);
4325 }
4326 gen_update_cfar(ctx, ctx->cia);
4327 if (type == BCOND_IM) {
4328 target_ulong li = (target_long)((int16_t)(BD(ctx->opcode)));
4329 if (likely(AA(ctx->opcode) == 0)) {
4330 gen_goto_tb(ctx, 0, ctx->cia + li);
4331 } else {
4332 gen_goto_tb(ctx, 0, li);
4333 }
4334 } else {
4335 if (NARROW_MODE(ctx)) {
4336 tcg_gen_andi_tl(cpu_nip, target, (uint32_t)~3);
4337 } else {
4338 tcg_gen_andi_tl(cpu_nip, target, ~3);
4339 }
4340 gen_lookup_and_goto_ptr(ctx);
4341 tcg_temp_free(target);
4342 }
4343 if ((bo & 0x14) != 0x14) {
4344 /* fallthrough case */
4345 gen_set_label(l1);
4346 gen_goto_tb(ctx, 1, ctx->base.pc_next);
4347 }
4348 ctx->base.is_jmp = DISAS_NORETURN;
4349 }
4350
4351 static void gen_bc(DisasContext *ctx)
4352 {
4353 gen_bcond(ctx, BCOND_IM);
4354 }
4355
4356 static void gen_bcctr(DisasContext *ctx)
4357 {
4358 gen_bcond(ctx, BCOND_CTR);
4359 }
4360
4361 static void gen_bclr(DisasContext *ctx)
4362 {
4363 gen_bcond(ctx, BCOND_LR);
4364 }
4365
4366 static void gen_bctar(DisasContext *ctx)
4367 {
4368 gen_bcond(ctx, BCOND_TAR);
4369 }
4370
4371 /*** Condition register logical ***/
4372 #define GEN_CRLOGIC(name, tcg_op, opc) \
4373 static void glue(gen_, name)(DisasContext *ctx) \
4374 { \
4375 uint8_t bitmask; \
4376 int sh; \
4377 TCGv_i32 t0, t1; \
4378 sh = (crbD(ctx->opcode) & 0x03) - (crbA(ctx->opcode) & 0x03); \
4379 t0 = tcg_temp_new_i32(); \
4380 if (sh > 0) \
4381 tcg_gen_shri_i32(t0, cpu_crf[crbA(ctx->opcode) >> 2], sh); \
4382 else if (sh < 0) \
4383 tcg_gen_shli_i32(t0, cpu_crf[crbA(ctx->opcode) >> 2], -sh); \
4384 else \
4385 tcg_gen_mov_i32(t0, cpu_crf[crbA(ctx->opcode) >> 2]); \
4386 t1 = tcg_temp_new_i32(); \
4387 sh = (crbD(ctx->opcode) & 0x03) - (crbB(ctx->opcode) & 0x03); \
4388 if (sh > 0) \
4389 tcg_gen_shri_i32(t1, cpu_crf[crbB(ctx->opcode) >> 2], sh); \
4390 else if (sh < 0) \
4391 tcg_gen_shli_i32(t1, cpu_crf[crbB(ctx->opcode) >> 2], -sh); \
4392 else \
4393 tcg_gen_mov_i32(t1, cpu_crf[crbB(ctx->opcode) >> 2]); \
4394 tcg_op(t0, t0, t1); \
4395 bitmask = 0x08 >> (crbD(ctx->opcode) & 0x03); \
4396 tcg_gen_andi_i32(t0, t0, bitmask); \
4397 tcg_gen_andi_i32(t1, cpu_crf[crbD(ctx->opcode) >> 2], ~bitmask); \
4398 tcg_gen_or_i32(cpu_crf[crbD(ctx->opcode) >> 2], t0, t1); \
4399 tcg_temp_free_i32(t0); \
4400 tcg_temp_free_i32(t1); \
4401 }
4402
4403 /* crand */
4404 GEN_CRLOGIC(crand, tcg_gen_and_i32, 0x08);
4405 /* crandc */
4406 GEN_CRLOGIC(crandc, tcg_gen_andc_i32, 0x04);
4407 /* creqv */
4408 GEN_CRLOGIC(creqv, tcg_gen_eqv_i32, 0x09);
4409 /* crnand */
4410 GEN_CRLOGIC(crnand, tcg_gen_nand_i32, 0x07);
4411 /* crnor */
4412 GEN_CRLOGIC(crnor, tcg_gen_nor_i32, 0x01);
4413 /* cror */
4414 GEN_CRLOGIC(cror, tcg_gen_or_i32, 0x0E);
4415 /* crorc */
4416 GEN_CRLOGIC(crorc, tcg_gen_orc_i32, 0x0D);
4417 /* crxor */
4418 GEN_CRLOGIC(crxor, tcg_gen_xor_i32, 0x06);
4419
4420 /* mcrf */
4421 static void gen_mcrf(DisasContext *ctx)
4422 {
4423 tcg_gen_mov_i32(cpu_crf[crfD(ctx->opcode)], cpu_crf[crfS(ctx->opcode)]);
4424 }
4425
4426 /*** System linkage ***/
4427
4428 /* rfi (supervisor only) */
4429 static void gen_rfi(DisasContext *ctx)
4430 {
4431 #if defined(CONFIG_USER_ONLY)
4432 GEN_PRIV;
4433 #else
4434 /*
4435 * This instruction doesn't exist anymore on 64-bit server
4436 * processors compliant with arch 2.x
4437 */
4438 if (is_book3s_arch2x(ctx)) {
4439 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
4440 return;
4441 }
4442 /* Restore CPU state */
4443 CHK_SV;
4444 gen_icount_io_start(ctx);
4445 gen_update_cfar(ctx, ctx->cia);
4446 gen_helper_rfi(cpu_env);
4447 ctx->base.is_jmp = DISAS_EXIT;
4448 #endif
4449 }
4450
4451 #if defined(TARGET_PPC64)
4452 static void gen_rfid(DisasContext *ctx)
4453 {
4454 #if defined(CONFIG_USER_ONLY)
4455 GEN_PRIV;
4456 #else
4457 /* Restore CPU state */
4458 CHK_SV;
4459 gen_icount_io_start(ctx);
4460 gen_update_cfar(ctx, ctx->cia);
4461 gen_helper_rfid(cpu_env);
4462 ctx->base.is_jmp = DISAS_EXIT;
4463 #endif
4464 }
4465
4466 #if !defined(CONFIG_USER_ONLY)
4467 static void gen_rfscv(DisasContext *ctx)
4468 {
4469 #if defined(CONFIG_USER_ONLY)
4470 GEN_PRIV;
4471 #else
4472 /* Restore CPU state */
4473 CHK_SV;
4474 gen_icount_io_start(ctx);
4475 gen_update_cfar(ctx, ctx->cia);
4476 gen_helper_rfscv(cpu_env);
4477 ctx->base.is_jmp = DISAS_EXIT;
4478 #endif
4479 }
4480 #endif
4481
4482 static void gen_hrfid(DisasContext *ctx)
4483 {
4484 #if defined(CONFIG_USER_ONLY)
4485 GEN_PRIV;
4486 #else
4487 /* Restore CPU state */
4488 CHK_HV;
4489 gen_helper_hrfid(cpu_env);
4490 ctx->base.is_jmp = DISAS_EXIT;
4491 #endif
4492 }
4493 #endif
4494
4495 /* sc */
4496 #if defined(CONFIG_USER_ONLY)
4497 #define POWERPC_SYSCALL POWERPC_EXCP_SYSCALL_USER
4498 #else
4499 #define POWERPC_SYSCALL POWERPC_EXCP_SYSCALL
4500 #define POWERPC_SYSCALL_VECTORED POWERPC_EXCP_SYSCALL_VECTORED
4501 #endif
4502 static void gen_sc(DisasContext *ctx)
4503 {
4504 uint32_t lev;
4505
4506 lev = (ctx->opcode >> 5) & 0x7F;
4507 gen_exception_err(ctx, POWERPC_SYSCALL, lev);
4508 }
4509
4510 #if defined(TARGET_PPC64)
4511 #if !defined(CONFIG_USER_ONLY)
4512 static void gen_scv(DisasContext *ctx)
4513 {
4514 uint32_t lev = (ctx->opcode >> 5) & 0x7F;
4515
4516 /* Set the PC back to the faulting instruction. */
4517 gen_update_nip(ctx, ctx->cia);
4518 gen_helper_scv(cpu_env, tcg_constant_i32(lev));
4519
4520 ctx->base.is_jmp = DISAS_NORETURN;
4521 }
4522 #endif
4523 #endif
4524
4525 /*** Trap ***/
4526
4527 /* Check for unconditional traps (always or never) */
4528 static bool check_unconditional_trap(DisasContext *ctx)
4529 {
4530 /* Trap never */
4531 if (TO(ctx->opcode) == 0) {
4532 return true;
4533 }
4534 /* Trap always */
4535 if (TO(ctx->opcode) == 31) {
4536 gen_exception_err(ctx, POWERPC_EXCP_PROGRAM, POWERPC_EXCP_TRAP);
4537 return true;
4538 }
4539 return false;
4540 }
4541
4542 /* tw */
4543 static void gen_tw(DisasContext *ctx)
4544 {
4545 TCGv_i32 t0;
4546
4547 if (check_unconditional_trap(ctx)) {
4548 return;
4549 }
4550 t0 = tcg_const_i32(TO(ctx->opcode));
4551 gen_helper_tw(cpu_env, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],
4552 t0);
4553 tcg_temp_free_i32(t0);
4554 }
4555
4556 /* twi */
4557 static void gen_twi(DisasContext *ctx)
4558 {
4559 TCGv t0;
4560 TCGv_i32 t1;
4561
4562 if (check_unconditional_trap(ctx)) {
4563 return;
4564 }
4565 t0 = tcg_const_tl(SIMM(ctx->opcode));
4566 t1 = tcg_const_i32(TO(ctx->opcode));
4567 gen_helper_tw(cpu_env, cpu_gpr[rA(ctx->opcode)], t0, t1);
4568 tcg_temp_free(t0);
4569 tcg_temp_free_i32(t1);
4570 }
4571
4572 #if defined(TARGET_PPC64)
4573 /* td */
4574 static void gen_td(DisasContext *ctx)
4575 {
4576 TCGv_i32 t0;
4577
4578 if (check_unconditional_trap(ctx)) {
4579 return;
4580 }
4581 t0 = tcg_const_i32(TO(ctx->opcode));
4582 gen_helper_td(cpu_env, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],
4583 t0);
4584 tcg_temp_free_i32(t0);
4585 }
4586
4587 /* tdi */
4588 static void gen_tdi(DisasContext *ctx)
4589 {
4590 TCGv t0;
4591 TCGv_i32 t1;
4592
4593 if (check_unconditional_trap(ctx)) {
4594 return;
4595 }
4596 t0 = tcg_const_tl(SIMM(ctx->opcode));
4597 t1 = tcg_const_i32(TO(ctx->opcode));
4598 gen_helper_td(cpu_env, cpu_gpr[rA(ctx->opcode)], t0, t1);
4599 tcg_temp_free(t0);
4600 tcg_temp_free_i32(t1);
4601 }
4602 #endif
4603
4604 /*** Processor control ***/
4605
4606 /* mcrxr */
4607 static void gen_mcrxr(DisasContext *ctx)
4608 {
4609 TCGv_i32 t0 = tcg_temp_new_i32();
4610 TCGv_i32 t1 = tcg_temp_new_i32();
4611 TCGv_i32 dst = cpu_crf[crfD(ctx->opcode)];
4612
4613 tcg_gen_trunc_tl_i32(t0, cpu_so);
4614 tcg_gen_trunc_tl_i32(t1, cpu_ov);
4615 tcg_gen_trunc_tl_i32(dst, cpu_ca);
4616 tcg_gen_shli_i32(t0, t0, 3);
4617 tcg_gen_shli_i32(t1, t1, 2);
4618 tcg_gen_shli_i32(dst, dst, 1);
4619 tcg_gen_or_i32(dst, dst, t0);
4620 tcg_gen_or_i32(dst, dst, t1);
4621 tcg_temp_free_i32(t0);
4622 tcg_temp_free_i32(t1);
4623
4624 tcg_gen_movi_tl(cpu_so, 0);
4625 tcg_gen_movi_tl(cpu_ov, 0);
4626 tcg_gen_movi_tl(cpu_ca, 0);
4627 }
4628
4629 #ifdef TARGET_PPC64
4630 /* mcrxrx */
4631 static void gen_mcrxrx(DisasContext *ctx)
4632 {
4633 TCGv t0 = tcg_temp_new();
4634 TCGv t1 = tcg_temp_new();
4635 TCGv_i32 dst = cpu_crf[crfD(ctx->opcode)];
4636
4637 /* copy OV and OV32 */
4638 tcg_gen_shli_tl(t0, cpu_ov, 1);
4639 tcg_gen_or_tl(t0, t0, cpu_ov32);
4640 tcg_gen_shli_tl(t0, t0, 2);
4641 /* copy CA and CA32 */
4642 tcg_gen_shli_tl(t1, cpu_ca, 1);
4643 tcg_gen_or_tl(t1, t1, cpu_ca32);
4644 tcg_gen_or_tl(t0, t0, t1);
4645 tcg_gen_trunc_tl_i32(dst, t0);
4646 tcg_temp_free(t0);
4647 tcg_temp_free(t1);
4648 }
4649 #endif
4650
4651 /* mfcr mfocrf */
4652 static void gen_mfcr(DisasContext *ctx)
4653 {
4654 uint32_t crm, crn;
4655
4656 if (likely(ctx->opcode & 0x00100000)) {
4657 crm = CRM(ctx->opcode);
4658 if (likely(crm && ((crm & (crm - 1)) == 0))) {
4659 crn = ctz32(crm);
4660 tcg_gen_extu_i32_tl(cpu_gpr[rD(ctx->opcode)], cpu_crf[7 - crn]);
4661 tcg_gen_shli_tl(cpu_gpr[rD(ctx->opcode)],
4662 cpu_gpr[rD(ctx->opcode)], crn * 4);
4663 }
4664 } else {
4665 TCGv_i32 t0 = tcg_temp_new_i32();
4666 tcg_gen_mov_i32(t0, cpu_crf[0]);
4667 tcg_gen_shli_i32(t0, t0, 4);
4668 tcg_gen_or_i32(t0, t0, cpu_crf[1]);
4669 tcg_gen_shli_i32(t0, t0, 4);
4670 tcg_gen_or_i32(t0, t0, cpu_crf[2]);
4671 tcg_gen_shli_i32(t0, t0, 4);
4672 tcg_gen_or_i32(t0, t0, cpu_crf[3]);
4673 tcg_gen_shli_i32(t0, t0, 4);
4674 tcg_gen_or_i32(t0, t0, cpu_crf[4]);
4675 tcg_gen_shli_i32(t0, t0, 4);
4676 tcg_gen_or_i32(t0, t0, cpu_crf[5]);
4677 tcg_gen_shli_i32(t0, t0, 4);
4678 tcg_gen_or_i32(t0, t0, cpu_crf[6]);
4679 tcg_gen_shli_i32(t0, t0, 4);
4680 tcg_gen_or_i32(t0, t0, cpu_crf[7]);
4681 tcg_gen_extu_i32_tl(cpu_gpr[rD(ctx->opcode)], t0);
4682 tcg_temp_free_i32(t0);
4683 }
4684 }
4685
4686 /* mfmsr */
4687 static void gen_mfmsr(DisasContext *ctx)
4688 {
4689 CHK_SV;
4690 tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_msr);
4691 }
4692
4693 /* mfspr */
4694 static inline void gen_op_mfspr(DisasContext *ctx)
4695 {
4696 void (*read_cb)(DisasContext *ctx, int gprn, int sprn);
4697 uint32_t sprn = SPR(ctx->opcode);
4698
4699 #if defined(CONFIG_USER_ONLY)
4700 read_cb = ctx->spr_cb[sprn].uea_read;
4701 #else
4702 if (ctx->pr) {
4703 read_cb = ctx->spr_cb[sprn].uea_read;
4704 } else if (ctx->hv) {
4705 read_cb = ctx->spr_cb[sprn].hea_read;
4706 } else {
4707 read_cb = ctx->spr_cb[sprn].oea_read;
4708 }
4709 #endif
4710 if (likely(read_cb != NULL)) {
4711 if (likely(read_cb != SPR_NOACCESS)) {
4712 (*read_cb)(ctx, rD(ctx->opcode), sprn);
4713 } else {
4714 /* Privilege exception */
4715 /*
4716 * This is a hack to avoid warnings when running Linux:
4717 * this OS breaks the PowerPC virtualisation model,
4718 * allowing userland application to read the PVR
4719 */
4720 if (sprn != SPR_PVR) {
4721 qemu_log_mask(LOG_GUEST_ERROR, "Trying to read privileged spr "
4722 "%d (0x%03x) at " TARGET_FMT_lx "\n", sprn, sprn,
4723 ctx->cia);
4724 }
4725 gen_priv_exception(ctx, POWERPC_EXCP_PRIV_REG);
4726 }
4727 } else {
4728 /* ISA 2.07 defines these as no-ops */
4729 if ((ctx->insns_flags2 & PPC2_ISA207S) &&
4730 (sprn >= 808 && sprn <= 811)) {
4731 /* This is a nop */
4732 return;
4733 }
4734 /* Not defined */
4735 qemu_log_mask(LOG_GUEST_ERROR,
4736 "Trying to read invalid spr %d (0x%03x) at "
4737 TARGET_FMT_lx "\n", sprn, sprn, ctx->cia);
4738
4739 /*
4740 * The behaviour depends on MSR:PR and SPR# bit 0x10, it can
4741 * generate a priv, a hv emu or a no-op
4742 */
4743 if (sprn & 0x10) {
4744 if (ctx->pr) {
4745 gen_priv_exception(ctx, POWERPC_EXCP_INVAL_SPR);
4746 }
4747 } else {
4748 if (ctx->pr || sprn == 0 || sprn == 4 || sprn == 5 || sprn == 6) {
4749 gen_hvpriv_exception(ctx, POWERPC_EXCP_INVAL_SPR);
4750 }
4751 }
4752 }
4753 }
4754
4755 static void gen_mfspr(DisasContext *ctx)
4756 {
4757 gen_op_mfspr(ctx);
4758 }
4759
4760 /* mftb */
4761 static void gen_mftb(DisasContext *ctx)
4762 {
4763 gen_op_mfspr(ctx);
4764 }
4765
4766 /* mtcrf mtocrf*/
4767 static void gen_mtcrf(DisasContext *ctx)
4768 {
4769 uint32_t crm, crn;
4770
4771 crm = CRM(ctx->opcode);
4772 if (likely((ctx->opcode & 0x00100000))) {
4773 if (crm && ((crm & (crm - 1)) == 0)) {
4774 TCGv_i32 temp = tcg_temp_new_i32();
4775 crn = ctz32(crm);
4776 tcg_gen_trunc_tl_i32(temp, cpu_gpr[rS(ctx->opcode)]);
4777 tcg_gen_shri_i32(temp, temp, crn * 4);
4778 tcg_gen_andi_i32(cpu_crf[7 - crn], temp, 0xf);
4779 tcg_temp_free_i32(temp);
4780 }
4781 } else {
4782 TCGv_i32 temp = tcg_temp_new_i32();
4783 tcg_gen_trunc_tl_i32(temp, cpu_gpr[rS(ctx->opcode)]);
4784 for (crn = 0 ; crn < 8 ; crn++) {
4785 if (crm & (1 << crn)) {
4786 tcg_gen_shri_i32(cpu_crf[7 - crn], temp, crn * 4);
4787 tcg_gen_andi_i32(cpu_crf[7 - crn], cpu_crf[7 - crn], 0xf);
4788 }
4789 }
4790 tcg_temp_free_i32(temp);
4791 }
4792 }
4793
4794 /* mtmsr */
4795 #if defined(TARGET_PPC64)
4796 static void gen_mtmsrd(DisasContext *ctx)
4797 {
4798 if (unlikely(!is_book3s_arch2x(ctx))) {
4799 gen_invalid(ctx);
4800 return;
4801 }
4802
4803 CHK_SV;
4804
4805 #if !defined(CONFIG_USER_ONLY)
4806 TCGv t0, t1;
4807 target_ulong mask;
4808
4809 t0 = tcg_temp_new();
4810 t1 = tcg_temp_new();
4811
4812 gen_icount_io_start(ctx);
4813
4814 if (ctx->opcode & 0x00010000) {
4815 /* L=1 form only updates EE and RI */
4816 mask = (1ULL << MSR_RI) | (1ULL << MSR_EE);
4817 } else {
4818 /* mtmsrd does not alter HV, S, ME, or LE */
4819 mask = ~((1ULL << MSR_LE) | (1ULL << MSR_ME) | (1ULL << MSR_S) |
4820 (1ULL << MSR_HV));
4821 /*
4822 * XXX: we need to update nip before the store if we enter
4823 * power saving mode, we will exit the loop directly from
4824 * ppc_store_msr
4825 */
4826 gen_update_nip(ctx, ctx->base.pc_next);
4827 }
4828
4829 tcg_gen_andi_tl(t0, cpu_gpr[rS(ctx->opcode)], mask);
4830 tcg_gen_andi_tl(t1, cpu_msr, ~mask);
4831 tcg_gen_or_tl(t0, t0, t1);
4832
4833 gen_helper_store_msr(cpu_env, t0);
4834
4835 /* Must stop the translation as machine state (may have) changed */
4836 ctx->base.is_jmp = DISAS_EXIT_UPDATE;
4837
4838 tcg_temp_free(t0);
4839 tcg_temp_free(t1);
4840 #endif /* !defined(CONFIG_USER_ONLY) */
4841 }
4842 #endif /* defined(TARGET_PPC64) */
4843
4844 static void gen_mtmsr(DisasContext *ctx)
4845 {
4846 CHK_SV;
4847
4848 #if !defined(CONFIG_USER_ONLY)
4849 TCGv t0, t1;
4850 target_ulong mask = 0xFFFFFFFF;
4851
4852 t0 = tcg_temp_new();
4853 t1 = tcg_temp_new();
4854
4855 gen_icount_io_start(ctx);
4856 if (ctx->opcode & 0x00010000) {
4857 /* L=1 form only updates EE and RI */
4858 mask &= (1ULL << MSR_RI) | (1ULL << MSR_EE);
4859 } else {
4860 /* mtmsr does not alter S, ME, or LE */
4861 mask &= ~((1ULL << MSR_LE) | (1ULL << MSR_ME) | (1ULL << MSR_S));
4862
4863 /*
4864 * XXX: we need to update nip before the store if we enter
4865 * power saving mode, we will exit the loop directly from
4866 * ppc_store_msr
4867 */
4868 gen_update_nip(ctx, ctx->base.pc_next);
4869 }
4870
4871 tcg_gen_andi_tl(t0, cpu_gpr[rS(ctx->opcode)], mask);
4872 tcg_gen_andi_tl(t1, cpu_msr, ~mask);
4873 tcg_gen_or_tl(t0, t0, t1);
4874
4875 gen_helper_store_msr(cpu_env, t0);
4876
4877 /* Must stop the translation as machine state (may have) changed */
4878 ctx->base.is_jmp = DISAS_EXIT_UPDATE;
4879
4880 tcg_temp_free(t0);
4881 tcg_temp_free(t1);
4882 #endif
4883 }
4884
4885 /* mtspr */
4886 static void gen_mtspr(DisasContext *ctx)
4887 {
4888 void (*write_cb)(DisasContext *ctx, int sprn, int gprn);
4889 uint32_t sprn = SPR(ctx->opcode);
4890
4891 #if defined(CONFIG_USER_ONLY)
4892 write_cb = ctx->spr_cb[sprn].uea_write;
4893 #else
4894 if (ctx->pr) {
4895 write_cb = ctx->spr_cb[sprn].uea_write;
4896 } else if (ctx->hv) {
4897 write_cb = ctx->spr_cb[sprn].hea_write;
4898 } else {
4899 write_cb = ctx->spr_cb[sprn].oea_write;
4900 }
4901 #endif
4902 if (likely(write_cb != NULL)) {
4903 if (likely(write_cb != SPR_NOACCESS)) {
4904 (*write_cb)(ctx, sprn, rS(ctx->opcode));
4905 } else {
4906 /* Privilege exception */
4907 qemu_log_mask(LOG_GUEST_ERROR, "Trying to write privileged spr "
4908 "%d (0x%03x) at " TARGET_FMT_lx "\n", sprn, sprn,
4909 ctx->cia);
4910 gen_priv_exception(ctx, POWERPC_EXCP_PRIV_REG);
4911 }
4912 } else {
4913 /* ISA 2.07 defines these as no-ops */
4914 if ((ctx->insns_flags2 & PPC2_ISA207S) &&
4915 (sprn >= 808 && sprn <= 811)) {
4916 /* This is a nop */
4917 return;
4918 }
4919
4920 /* Not defined */
4921 qemu_log_mask(LOG_GUEST_ERROR,
4922 "Trying to write invalid spr %d (0x%03x) at "
4923 TARGET_FMT_lx "\n", sprn, sprn, ctx->cia);
4924
4925
4926 /*
4927 * The behaviour depends on MSR:PR and SPR# bit 0x10, it can
4928 * generate a priv, a hv emu or a no-op
4929 */
4930 if (sprn & 0x10) {
4931 if (ctx->pr) {
4932 gen_priv_exception(ctx, POWERPC_EXCP_INVAL_SPR);
4933 }
4934 } else {
4935 if (ctx->pr || sprn == 0) {
4936 gen_hvpriv_exception(ctx, POWERPC_EXCP_INVAL_SPR);
4937 }
4938 }
4939 }
4940 }
4941
4942 #if defined(TARGET_PPC64)
4943 /* setb */
4944 static void gen_setb(DisasContext *ctx)
4945 {
4946 TCGv_i32 t0 = tcg_temp_new_i32();
4947 TCGv_i32 t8 = tcg_constant_i32(8);
4948 TCGv_i32 tm1 = tcg_constant_i32(-1);
4949 int crf = crfS(ctx->opcode);
4950
4951 tcg_gen_setcondi_i32(TCG_COND_GEU, t0, cpu_crf[crf], 4);
4952 tcg_gen_movcond_i32(TCG_COND_GEU, t0, cpu_crf[crf], t8, tm1, t0);
4953 tcg_gen_ext_i32_tl(cpu_gpr[rD(ctx->opcode)], t0);
4954
4955 tcg_temp_free_i32(t0);
4956 }
4957 #endif
4958
4959 /*** Cache management ***/
4960
4961 /* dcbf */
4962 static void gen_dcbf(DisasContext *ctx)
4963 {
4964 /* XXX: specification says this is treated as a load by the MMU */
4965 TCGv t0;
4966 gen_set_access_type(ctx, ACCESS_CACHE);
4967 t0 = tcg_temp_new();
4968 gen_addr_reg_index(ctx, t0);
4969 gen_qemu_ld8u(ctx, t0, t0);
4970 tcg_temp_free(t0);
4971 }
4972
4973 /* dcbfep (external PID dcbf) */
4974 static void gen_dcbfep(DisasContext *ctx)
4975 {
4976 /* XXX: specification says this is treated as a load by the MMU */
4977 TCGv t0;
4978 CHK_SV;
4979 gen_set_access_type(ctx, ACCESS_CACHE);
4980 t0 = tcg_temp_new();
4981 gen_addr_reg_index(ctx, t0);
4982 tcg_gen_qemu_ld_tl(t0, t0, PPC_TLB_EPID_LOAD, DEF_MEMOP(MO_UB));
4983 tcg_temp_free(t0);
4984 }
4985
4986 /* dcbi (Supervisor only) */
4987 static void gen_dcbi(DisasContext *ctx)
4988 {
4989 #if defined(CONFIG_USER_ONLY)
4990 GEN_PRIV;
4991 #else
4992 TCGv EA, val;
4993
4994 CHK_SV;
4995 EA = tcg_temp_new();
4996 gen_set_access_type(ctx, ACCESS_CACHE);
4997 gen_addr_reg_index(ctx, EA);
4998 val = tcg_temp_new();
4999 /* XXX: specification says this should be treated as a store by the MMU */
5000 gen_qemu_ld8u(ctx, val, EA);
5001 gen_qemu_st8(ctx, val, EA);
5002 tcg_temp_free(val);
5003 tcg_temp_free(EA);
5004 #endif /* defined(CONFIG_USER_ONLY) */
5005 }
5006
5007 /* dcdst */
5008 static void gen_dcbst(DisasContext *ctx)
5009 {
5010 /* XXX: specification say this is treated as a load by the MMU */
5011 TCGv t0;
5012 gen_set_access_type(ctx, ACCESS_CACHE);
5013 t0 = tcg_temp_new();
5014 gen_addr_reg_index(ctx, t0);
5015 gen_qemu_ld8u(ctx, t0, t0);
5016 tcg_temp_free(t0);
5017 }
5018
5019 /* dcbstep (dcbstep External PID version) */
5020 static void gen_dcbstep(DisasContext *ctx)
5021 {
5022 /* XXX: specification say this is treated as a load by the MMU */
5023 TCGv t0;
5024 gen_set_access_type(ctx, ACCESS_CACHE);
5025 t0 = tcg_temp_new();
5026 gen_addr_reg_index(ctx, t0);
5027 tcg_gen_qemu_ld_tl(t0, t0, PPC_TLB_EPID_LOAD, DEF_MEMOP(MO_UB));
5028 tcg_temp_free(t0);
5029 }
5030
5031 /* dcbt */
5032 static void gen_dcbt(DisasContext *ctx)
5033 {
5034 /*
5035 * interpreted as no-op
5036 * XXX: specification say this is treated as a load by the MMU but
5037 * does not generate any exception
5038 */
5039 }
5040
5041 /* dcbtep */
5042 static void gen_dcbtep(DisasContext *ctx)
5043 {
5044 /*
5045 * interpreted as no-op
5046 * XXX: specification say this is treated as a load by the MMU but
5047 * does not generate any exception
5048 */
5049 }
5050
5051 /* dcbtst */
5052 static void gen_dcbtst(DisasContext *ctx)
5053 {
5054 /*
5055 * interpreted as no-op
5056 * XXX: specification say this is treated as a load by the MMU but
5057 * does not generate any exception
5058 */
5059 }
5060
5061 /* dcbtstep */
5062 static void gen_dcbtstep(DisasContext *ctx)
5063 {
5064 /*
5065 * interpreted as no-op
5066 * XXX: specification say this is treated as a load by the MMU but
5067 * does not generate any exception
5068 */
5069 }
5070
5071 /* dcbtls */
5072 static void gen_dcbtls(DisasContext *ctx)
5073 {
5074 /* Always fails locking the cache */
5075 TCGv t0 = tcg_temp_new();
5076 gen_load_spr(t0, SPR_Exxx_L1CSR0);
5077 tcg_gen_ori_tl(t0, t0, L1CSR0_CUL);
5078 gen_store_spr(SPR_Exxx_L1CSR0, t0);
5079 tcg_temp_free(t0);
5080 }
5081
5082 /* dcbz */
5083 static void gen_dcbz(DisasContext *ctx)
5084 {
5085 TCGv tcgv_addr;
5086 TCGv_i32 tcgv_op;
5087
5088 gen_set_access_type(ctx, ACCESS_CACHE);
5089 tcgv_addr = tcg_temp_new();
5090 tcgv_op = tcg_const_i32(ctx->opcode & 0x03FF000);
5091 gen_addr_reg_index(ctx, tcgv_addr);
5092 gen_helper_dcbz(cpu_env, tcgv_addr, tcgv_op);
5093 tcg_temp_free(tcgv_addr);
5094 tcg_temp_free_i32(tcgv_op);
5095 }
5096
5097 /* dcbzep */
5098 static void gen_dcbzep(DisasContext *ctx)
5099 {
5100 TCGv tcgv_addr;
5101 TCGv_i32 tcgv_op;
5102
5103 gen_set_access_type(ctx, ACCESS_CACHE);
5104 tcgv_addr = tcg_temp_new();
5105 tcgv_op = tcg_const_i32(ctx->opcode & 0x03FF000);
5106 gen_addr_reg_index(ctx, tcgv_addr);
5107 gen_helper_dcbzep(cpu_env, tcgv_addr, tcgv_op);
5108 tcg_temp_free(tcgv_addr);
5109 tcg_temp_free_i32(tcgv_op);
5110 }
5111
5112 /* dst / dstt */
5113 static void gen_dst(DisasContext *ctx)
5114 {
5115 if (rA(ctx->opcode) == 0) {
5116 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
5117 } else {
5118 /* interpreted as no-op */
5119 }
5120 }
5121
5122 /* dstst /dststt */
5123 static void gen_dstst(DisasContext *ctx)
5124 {
5125 if (rA(ctx->opcode) == 0) {
5126 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
5127 } else {
5128 /* interpreted as no-op */
5129 }
5130
5131 }
5132
5133 /* dss / dssall */
5134 static void gen_dss(DisasContext *ctx)
5135 {
5136 /* interpreted as no-op */
5137 }
5138
5139 /* icbi */
5140 static void gen_icbi(DisasContext *ctx)
5141 {
5142 TCGv t0;
5143 gen_set_access_type(ctx, ACCESS_CACHE);
5144 t0 = tcg_temp_new();
5145 gen_addr_reg_index(ctx, t0);
5146 gen_helper_icbi(cpu_env, t0);
5147 tcg_temp_free(t0);
5148 }
5149
5150 /* icbiep */
5151 static void gen_icbiep(DisasContext *ctx)
5152 {
5153 TCGv t0;
5154 gen_set_access_type(ctx, ACCESS_CACHE);
5155 t0 = tcg_temp_new();
5156 gen_addr_reg_index(ctx, t0);
5157 gen_helper_icbiep(cpu_env, t0);
5158 tcg_temp_free(t0);
5159 }
5160
5161 /* Optional: */
5162 /* dcba */
5163 static void gen_dcba(DisasContext *ctx)
5164 {
5165 /*
5166 * interpreted as no-op
5167 * XXX: specification say this is treated as a store by the MMU
5168 * but does not generate any exception
5169 */
5170 }
5171
5172 /*** Segment register manipulation ***/
5173 /* Supervisor only: */
5174
5175 /* mfsr */
5176 static void gen_mfsr(DisasContext *ctx)
5177 {
5178 #if defined(CONFIG_USER_ONLY)
5179 GEN_PRIV;
5180 #else
5181 TCGv t0;
5182
5183 CHK_SV;
5184 t0 = tcg_const_tl(SR(ctx->opcode));
5185 gen_helper_load_sr(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
5186 tcg_temp_free(t0);
5187 #endif /* defined(CONFIG_USER_ONLY) */
5188 }
5189
5190 /* mfsrin */
5191 static void gen_mfsrin(DisasContext *ctx)
5192 {
5193 #if defined(CONFIG_USER_ONLY)
5194 GEN_PRIV;
5195 #else
5196 TCGv t0;
5197
5198 CHK_SV;
5199 t0 = tcg_temp_new();
5200 tcg_gen_extract_tl(t0, cpu_gpr[rB(ctx->opcode)], 28, 4);
5201 gen_helper_load_sr(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
5202 tcg_temp_free(t0);
5203 #endif /* defined(CONFIG_USER_ONLY) */
5204 }
5205
5206 /* mtsr */
5207 static void gen_mtsr(DisasContext *ctx)
5208 {
5209 #if defined(CONFIG_USER_ONLY)
5210 GEN_PRIV;
5211 #else
5212 TCGv t0;
5213
5214 CHK_SV;
5215 t0 = tcg_const_tl(SR(ctx->opcode));
5216 gen_helper_store_sr(cpu_env, t0, cpu_gpr[rS(ctx->opcode)]);
5217 tcg_temp_free(t0);
5218 #endif /* defined(CONFIG_USER_ONLY) */
5219 }
5220
5221 /* mtsrin */
5222 static void gen_mtsrin(DisasContext *ctx)
5223 {
5224 #if defined(CONFIG_USER_ONLY)
5225 GEN_PRIV;
5226 #else
5227 TCGv t0;
5228 CHK_SV;
5229
5230 t0 = tcg_temp_new();
5231 tcg_gen_extract_tl(t0, cpu_gpr[rB(ctx->opcode)], 28, 4);
5232 gen_helper_store_sr(cpu_env, t0, cpu_gpr[rD(ctx->opcode)]);
5233 tcg_temp_free(t0);
5234 #endif /* defined(CONFIG_USER_ONLY) */
5235 }
5236
5237 #if defined(TARGET_PPC64)
5238 /* Specific implementation for PowerPC 64 "bridge" emulation using SLB */
5239
5240 /* mfsr */
5241 static void gen_mfsr_64b(DisasContext *ctx)
5242 {
5243 #if defined(CONFIG_USER_ONLY)
5244 GEN_PRIV;
5245 #else
5246 TCGv t0;
5247
5248 CHK_SV;
5249 t0 = tcg_const_tl(SR(ctx->opcode));
5250 gen_helper_load_sr(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
5251 tcg_temp_free(t0);
5252 #endif /* defined(CONFIG_USER_ONLY) */
5253 }
5254
5255 /* mfsrin */
5256 static void gen_mfsrin_64b(DisasContext *ctx)
5257 {
5258 #if defined(CONFIG_USER_ONLY)
5259 GEN_PRIV;
5260 #else
5261 TCGv t0;
5262
5263 CHK_SV;
5264 t0 = tcg_temp_new();
5265 tcg_gen_extract_tl(t0, cpu_gpr[rB(ctx->opcode)], 28, 4);
5266 gen_helper_load_sr(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
5267 tcg_temp_free(t0);
5268 #endif /* defined(CONFIG_USER_ONLY) */
5269 }
5270
5271 /* mtsr */
5272 static void gen_mtsr_64b(DisasContext *ctx)
5273 {
5274 #if defined(CONFIG_USER_ONLY)
5275 GEN_PRIV;
5276 #else
5277 TCGv t0;
5278
5279 CHK_SV;
5280 t0 = tcg_const_tl(SR(ctx->opcode));
5281 gen_helper_store_sr(cpu_env, t0, cpu_gpr[rS(ctx->opcode)]);
5282 tcg_temp_free(t0);
5283 #endif /* defined(CONFIG_USER_ONLY) */
5284 }
5285
5286 /* mtsrin */
5287 static void gen_mtsrin_64b(DisasContext *ctx)
5288 {
5289 #if defined(CONFIG_USER_ONLY)
5290 GEN_PRIV;
5291 #else
5292 TCGv t0;
5293
5294 CHK_SV;
5295 t0 = tcg_temp_new();
5296 tcg_gen_extract_tl(t0, cpu_gpr[rB(ctx->opcode)], 28, 4);
5297 gen_helper_store_sr(cpu_env, t0, cpu_gpr[rS(ctx->opcode)]);
5298 tcg_temp_free(t0);
5299 #endif /* defined(CONFIG_USER_ONLY) */
5300 }
5301
5302 /* slbmte */
5303 static void gen_slbmte(DisasContext *ctx)
5304 {
5305 #if defined(CONFIG_USER_ONLY)
5306 GEN_PRIV;
5307 #else
5308 CHK_SV;
5309
5310 gen_helper_store_slb(cpu_env, cpu_gpr[rB(ctx->opcode)],
5311 cpu_gpr[rS(ctx->opcode)]);
5312 #endif /* defined(CONFIG_USER_ONLY) */
5313 }
5314
5315 static void gen_slbmfee(DisasContext *ctx)
5316 {
5317 #if defined(CONFIG_USER_ONLY)
5318 GEN_PRIV;
5319 #else
5320 CHK_SV;
5321
5322 gen_helper_load_slb_esid(cpu_gpr[rS(ctx->opcode)], cpu_env,
5323 cpu_gpr[rB(ctx->opcode)]);
5324 #endif /* defined(CONFIG_USER_ONLY) */
5325 }
5326
5327 static void gen_slbmfev(DisasContext *ctx)
5328 {
5329 #if defined(CONFIG_USER_ONLY)
5330 GEN_PRIV;
5331 #else
5332 CHK_SV;
5333
5334 gen_helper_load_slb_vsid(cpu_gpr[rS(ctx->opcode)], cpu_env,
5335 cpu_gpr[rB(ctx->opcode)]);
5336 #endif /* defined(CONFIG_USER_ONLY) */
5337 }
5338
5339 static void gen_slbfee_(DisasContext *ctx)
5340 {
5341 #if defined(CONFIG_USER_ONLY)
5342 gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG);
5343 #else
5344 TCGLabel *l1, *l2;
5345
5346 if (unlikely(ctx->pr)) {
5347 gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG);
5348 return;
5349 }
5350 gen_helper_find_slb_vsid(cpu_gpr[rS(ctx->opcode)], cpu_env,
5351 cpu_gpr[rB(ctx->opcode)]);
5352 l1 = gen_new_label();
5353 l2 = gen_new_label();
5354 tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so);
5355 tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[rS(ctx->opcode)], -1, l1);
5356 tcg_gen_ori_i32(cpu_crf[0], cpu_crf[0], CRF_EQ);
5357 tcg_gen_br(l2);
5358 gen_set_label(l1);
5359 tcg_gen_movi_tl(cpu_gpr[rS(ctx->opcode)], 0);
5360 gen_set_label(l2);
5361 #endif
5362 }
5363 #endif /* defined(TARGET_PPC64) */
5364
5365 /*** Lookaside buffer management ***/
5366 /* Optional & supervisor only: */
5367
5368 /* tlbia */
5369 static void gen_tlbia(DisasContext *ctx)
5370 {
5371 #if defined(CONFIG_USER_ONLY)
5372 GEN_PRIV;
5373 #else
5374 CHK_HV;
5375
5376 gen_helper_tlbia(cpu_env);
5377 #endif /* defined(CONFIG_USER_ONLY) */
5378 }
5379
5380 /* tlbiel */
5381 static void gen_tlbiel(DisasContext *ctx)
5382 {
5383 #if defined(CONFIG_USER_ONLY)
5384 GEN_PRIV;
5385 #else
5386 bool psr = (ctx->opcode >> 17) & 0x1;
5387
5388 if (ctx->pr || (!ctx->hv && !psr && ctx->hr)) {
5389 /*
5390 * tlbiel is privileged except when PSR=0 and HR=1, making it
5391 * hypervisor privileged.
5392 */
5393 GEN_PRIV;
5394 }
5395
5396 gen_helper_tlbie(cpu_env, cpu_gpr[rB(ctx->opcode)]);
5397 #endif /* defined(CONFIG_USER_ONLY) */
5398 }
5399
5400 /* tlbie */
5401 static void gen_tlbie(DisasContext *ctx)
5402 {
5403 #if defined(CONFIG_USER_ONLY)
5404 GEN_PRIV;
5405 #else
5406 bool psr = (ctx->opcode >> 17) & 0x1;
5407 TCGv_i32 t1;
5408
5409 if (ctx->pr) {
5410 /* tlbie is privileged... */
5411 GEN_PRIV;
5412 } else if (!ctx->hv) {
5413 if (!ctx->gtse || (!psr && ctx->hr)) {
5414 /*
5415 * ... except when GTSE=0 or when PSR=0 and HR=1, making it
5416 * hypervisor privileged.
5417 */
5418 GEN_PRIV;
5419 }
5420 }
5421
5422 if (NARROW_MODE(ctx)) {
5423 TCGv t0 = tcg_temp_new();
5424 tcg_gen_ext32u_tl(t0, cpu_gpr[rB(ctx->opcode)]);
5425 gen_helper_tlbie(cpu_env, t0);
5426 tcg_temp_free(t0);
5427 } else {
5428 gen_helper_tlbie(cpu_env, cpu_gpr[rB(ctx->opcode)]);
5429 }
5430 t1 = tcg_temp_new_i32();
5431 tcg_gen_ld_i32(t1, cpu_env, offsetof(CPUPPCState, tlb_need_flush));
5432 tcg_gen_ori_i32(t1, t1, TLB_NEED_GLOBAL_FLUSH);
5433 tcg_gen_st_i32(t1, cpu_env, offsetof(CPUPPCState, tlb_need_flush));
5434 tcg_temp_free_i32(t1);
5435 #endif /* defined(CONFIG_USER_ONLY) */
5436 }
5437
5438 /* tlbsync */
5439 static void gen_tlbsync(DisasContext *ctx)
5440 {
5441 #if defined(CONFIG_USER_ONLY)
5442 GEN_PRIV;
5443 #else
5444
5445 if (ctx->gtse) {
5446 CHK_SV; /* If gtse is set then tlbsync is supervisor privileged */
5447 } else {
5448 CHK_HV; /* Else hypervisor privileged */
5449 }
5450
5451 /* BookS does both ptesync and tlbsync make tlbsync a nop for server */
5452 if (ctx->insns_flags & PPC_BOOKE) {
5453 gen_check_tlb_flush(ctx, true);
5454 }
5455 #endif /* defined(CONFIG_USER_ONLY) */
5456 }
5457
5458 #if defined(TARGET_PPC64)
5459 /* slbia */
5460 static void gen_slbia(DisasContext *ctx)
5461 {
5462 #if defined(CONFIG_USER_ONLY)
5463 GEN_PRIV;
5464 #else
5465 uint32_t ih = (ctx->opcode >> 21) & 0x7;
5466 TCGv_i32 t0 = tcg_const_i32(ih);
5467
5468 CHK_SV;
5469
5470 gen_helper_slbia(cpu_env, t0);
5471 tcg_temp_free_i32(t0);
5472 #endif /* defined(CONFIG_USER_ONLY) */
5473 }
5474
5475 /* slbie */
5476 static void gen_slbie(DisasContext *ctx)
5477 {
5478 #if defined(CONFIG_USER_ONLY)
5479 GEN_PRIV;
5480 #else
5481 CHK_SV;
5482
5483 gen_helper_slbie(cpu_env, cpu_gpr[rB(ctx->opcode)]);
5484 #endif /* defined(CONFIG_USER_ONLY) */
5485 }
5486
5487 /* slbieg */
5488 static void gen_slbieg(DisasContext *ctx)
5489 {
5490 #if defined(CONFIG_USER_ONLY)
5491 GEN_PRIV;
5492 #else
5493 CHK_SV;
5494
5495 gen_helper_slbieg(cpu_env, cpu_gpr[rB(ctx->opcode)]);
5496 #endif /* defined(CONFIG_USER_ONLY) */
5497 }
5498
5499 /* slbsync */
5500 static void gen_slbsync(DisasContext *ctx)
5501 {
5502 #if defined(CONFIG_USER_ONLY)
5503 GEN_PRIV;
5504 #else
5505 CHK_SV;
5506 gen_check_tlb_flush(ctx, true);
5507 #endif /* defined(CONFIG_USER_ONLY) */
5508 }
5509
5510 #endif /* defined(TARGET_PPC64) */
5511
5512 /*** External control ***/
5513 /* Optional: */
5514
5515 /* eciwx */
5516 static void gen_eciwx(DisasContext *ctx)
5517 {
5518 TCGv t0;
5519 /* Should check EAR[E] ! */
5520 gen_set_access_type(ctx, ACCESS_EXT);
5521 t0 = tcg_temp_new();
5522 gen_addr_reg_index(ctx, t0);
5523 tcg_gen_qemu_ld_tl(cpu_gpr[rD(ctx->opcode)], t0, ctx->mem_idx,
5524 DEF_MEMOP(MO_UL | MO_ALIGN));
5525 tcg_temp_free(t0);
5526 }
5527
5528 /* ecowx */
5529 static void gen_ecowx(DisasContext *ctx)
5530 {
5531 TCGv t0;
5532 /* Should check EAR[E] ! */
5533 gen_set_access_type(ctx, ACCESS_EXT);
5534 t0 = tcg_temp_new();
5535 gen_addr_reg_index(ctx, t0);
5536 tcg_gen_qemu_st_tl(cpu_gpr[rD(ctx->opcode)], t0, ctx->mem_idx,
5537 DEF_MEMOP(MO_UL | MO_ALIGN));
5538 tcg_temp_free(t0);
5539 }
5540
5541 /* PowerPC 601 specific instructions */
5542
5543 /* abs - abs. */
5544 static void gen_abs(DisasContext *ctx)
5545 {
5546 TCGv d = cpu_gpr[rD(ctx->opcode)];
5547 TCGv a = cpu_gpr[rA(ctx->opcode)];
5548
5549 tcg_gen_abs_tl(d, a);
5550 if (unlikely(Rc(ctx->opcode) != 0)) {
5551 gen_set_Rc0(ctx, d);
5552 }
5553 }
5554
5555 /* abso - abso. */
5556 static void gen_abso(DisasContext *ctx)
5557 {
5558 TCGv d = cpu_gpr[rD(ctx->opcode)];
5559 TCGv a = cpu_gpr[rA(ctx->opcode)];
5560
5561 tcg_gen_setcondi_tl(TCG_COND_EQ, cpu_ov, a, 0x80000000);
5562 tcg_gen_abs_tl(d, a);
5563 tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov);
5564 if (unlikely(Rc(ctx->opcode) != 0)) {
5565 gen_set_Rc0(ctx, d);
5566 }
5567 }
5568
5569 /* clcs */
5570 static void gen_clcs(DisasContext *ctx)
5571 {
5572 TCGv_i32 t0 = tcg_const_i32(rA(ctx->opcode));
5573 gen_helper_clcs(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
5574 tcg_temp_free_i32(t0);
5575 /* Rc=1 sets CR0 to an undefined state */
5576 }
5577
5578 /* div - div. */
5579 static void gen_div(DisasContext *ctx)
5580 {
5581 gen_helper_div(cpu_gpr[rD(ctx->opcode)], cpu_env, cpu_gpr[rA(ctx->opcode)],
5582 cpu_gpr[rB(ctx->opcode)]);
5583 if (unlikely(Rc(ctx->opcode) != 0)) {
5584 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
5585 }
5586 }
5587
5588 /* divo - divo. */
5589 static void gen_divo(DisasContext *ctx)
5590 {
5591 gen_helper_divo(cpu_gpr[rD(ctx->opcode)], cpu_env, cpu_gpr[rA(ctx->opcode)],
5592 cpu_gpr[rB(ctx->opcode)]);
5593 if (unlikely(Rc(ctx->opcode) != 0)) {
5594 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
5595 }
5596 }
5597
5598 /* divs - divs. */
5599 static void gen_divs(DisasContext *ctx)
5600 {
5601 gen_helper_divs(cpu_gpr[rD(ctx->opcode)], cpu_env, cpu_gpr[rA(ctx->opcode)],
5602 cpu_gpr[rB(ctx->opcode)]);
5603 if (unlikely(Rc(ctx->opcode) != 0)) {
5604 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
5605 }
5606 }
5607
5608 /* divso - divso. */
5609 static void gen_divso(DisasContext *ctx)
5610 {
5611 gen_helper_divso(cpu_gpr[rD(ctx->opcode)], cpu_env,
5612 cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
5613 if (unlikely(Rc(ctx->opcode) != 0)) {
5614 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
5615 }
5616 }
5617
5618 /* doz - doz. */
5619 static void gen_doz(DisasContext *ctx)
5620 {
5621 TCGLabel *l1 = gen_new_label();
5622 TCGLabel *l2 = gen_new_label();
5623 tcg_gen_brcond_tl(TCG_COND_GE, cpu_gpr[rB(ctx->opcode)],
5624 cpu_gpr[rA(ctx->opcode)], l1);
5625 tcg_gen_sub_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],
5626 cpu_gpr[rA(ctx->opcode)]);
5627 tcg_gen_br(l2);
5628 gen_set_label(l1);
5629 tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], 0);
5630 gen_set_label(l2);
5631 if (unlikely(Rc(ctx->opcode) != 0)) {
5632 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
5633 }
5634 }
5635
5636 /* dozo - dozo. */
5637 static void gen_dozo(DisasContext *ctx)
5638 {
5639 TCGLabel *l1 = gen_new_label();
5640 TCGLabel *l2 = gen_new_label();
5641 TCGv t0 = tcg_temp_new();
5642 TCGv t1 = tcg_temp_new();
5643 TCGv t2 = tcg_temp_new();
5644 /* Start with XER OV disabled, the most likely case */
5645 tcg_gen_movi_tl(cpu_ov, 0);
5646 tcg_gen_brcond_tl(TCG_COND_GE, cpu_gpr[rB(ctx->opcode)],
5647 cpu_gpr[rA(ctx->opcode)], l1);
5648 tcg_gen_sub_tl(t0, cpu_gpr[rB(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
5649 tcg_gen_xor_tl(t1, cpu_gpr[rB(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
5650 tcg_gen_xor_tl(t2, cpu_gpr[rA(ctx->opcode)], t0);
5651 tcg_gen_andc_tl(t1, t1, t2);
5652 tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], t0);
5653 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l2);
5654 tcg_gen_movi_tl(cpu_ov, 1);
5655 tcg_gen_movi_tl(cpu_so, 1);
5656 tcg_gen_br(l2);
5657 gen_set_label(l1);
5658 tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], 0);
5659 gen_set_label(l2);
5660 tcg_temp_free(t0);
5661 tcg_temp_free(t1);
5662 tcg_temp_free(t2);
5663 if (unlikely(Rc(ctx->opcode) != 0)) {
5664 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
5665 }
5666 }
5667
5668 /* dozi */
5669 static void gen_dozi(DisasContext *ctx)
5670 {
5671 target_long simm = SIMM(ctx->opcode);
5672 TCGLabel *l1 = gen_new_label();
5673 TCGLabel *l2 = gen_new_label();
5674 tcg_gen_brcondi_tl(TCG_COND_LT, cpu_gpr[rA(ctx->opcode)], simm, l1);
5675 tcg_gen_subfi_tl(cpu_gpr[rD(ctx->opcode)], simm, cpu_gpr[rA(ctx->opcode)]);
5676 tcg_gen_br(l2);
5677 gen_set_label(l1);
5678 tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], 0);
5679 gen_set_label(l2);
5680 if (unlikely(Rc(ctx->opcode) != 0)) {
5681 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
5682 }
5683 }
5684
5685 /* lscbx - lscbx. */
5686 static void gen_lscbx(DisasContext *ctx)
5687 {
5688 TCGv t0 = tcg_temp_new();
5689 TCGv_i32 t1 = tcg_const_i32(rD(ctx->opcode));
5690 TCGv_i32 t2 = tcg_const_i32(rA(ctx->opcode));
5691 TCGv_i32 t3 = tcg_const_i32(rB(ctx->opcode));
5692
5693 gen_addr_reg_index(ctx, t0);
5694 gen_helper_lscbx(t0, cpu_env, t0, t1, t2, t3);
5695 tcg_temp_free_i32(t1);
5696 tcg_temp_free_i32(t2);
5697 tcg_temp_free_i32(t3);
5698 tcg_gen_andi_tl(cpu_xer, cpu_xer, ~0x7F);
5699 tcg_gen_or_tl(cpu_xer, cpu_xer, t0);
5700 if (unlikely(Rc(ctx->opcode) != 0)) {
5701 gen_set_Rc0(ctx, t0);
5702 }
5703 tcg_temp_free(t0);
5704 }
5705
5706 /* maskg - maskg. */
5707 static void gen_maskg(DisasContext *ctx)
5708 {
5709 TCGLabel *l1 = gen_new_label();
5710 TCGv t0 = tcg_temp_new();
5711 TCGv t1 = tcg_temp_new();
5712 TCGv t2 = tcg_temp_new();
5713 TCGv t3 = tcg_temp_new();
5714 tcg_gen_movi_tl(t3, 0xFFFFFFFF);
5715 tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F);
5716 tcg_gen_andi_tl(t1, cpu_gpr[rS(ctx->opcode)], 0x1F);
5717 tcg_gen_addi_tl(t2, t0, 1);
5718 tcg_gen_shr_tl(t2, t3, t2);
5719 tcg_gen_shr_tl(t3, t3, t1);
5720 tcg_gen_xor_tl(cpu_gpr[rA(ctx->opcode)], t2, t3);
5721 tcg_gen_brcond_tl(TCG_COND_GE, t0, t1, l1);
5722 tcg_gen_neg_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
5723 gen_set_label(l1);
5724 tcg_temp_free(t0);
5725 tcg_temp_free(t1);
5726 tcg_temp_free(t2);
5727 tcg_temp_free(t3);
5728 if (unlikely(Rc(ctx->opcode) != 0)) {
5729 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5730 }
5731 }
5732
5733 /* maskir - maskir. */
5734 static void gen_maskir(DisasContext *ctx)
5735 {
5736 TCGv t0 = tcg_temp_new();
5737 TCGv t1 = tcg_temp_new();
5738 tcg_gen_and_tl(t0, cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
5739 tcg_gen_andc_tl(t1, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
5740 tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
5741 tcg_temp_free(t0);
5742 tcg_temp_free(t1);
5743 if (unlikely(Rc(ctx->opcode) != 0)) {
5744 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5745 }
5746 }
5747
5748 /* mul - mul. */
5749 static void gen_mul(DisasContext *ctx)
5750 {
5751 TCGv_i64 t0 = tcg_temp_new_i64();
5752 TCGv_i64 t1 = tcg_temp_new_i64();
5753 TCGv t2 = tcg_temp_new();
5754 tcg_gen_extu_tl_i64(t0, cpu_gpr[rA(ctx->opcode)]);
5755 tcg_gen_extu_tl_i64(t1, cpu_gpr[rB(ctx->opcode)]);
5756 tcg_gen_mul_i64(t0, t0, t1);
5757 tcg_gen_trunc_i64_tl(t2, t0);
5758 gen_store_spr(SPR_MQ, t2);
5759 tcg_gen_shri_i64(t1, t0, 32);
5760 tcg_gen_trunc_i64_tl(cpu_gpr[rD(ctx->opcode)], t1);
5761 tcg_temp_free_i64(t0);
5762 tcg_temp_free_i64(t1);
5763 tcg_temp_free(t2);
5764 if (unlikely(Rc(ctx->opcode) != 0)) {
5765 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
5766 }
5767 }
5768
5769 /* mulo - mulo. */
5770 static void gen_mulo(DisasContext *ctx)
5771 {
5772 TCGLabel *l1 = gen_new_label();
5773 TCGv_i64 t0 = tcg_temp_new_i64();
5774 TCGv_i64 t1 = tcg_temp_new_i64();
5775 TCGv t2 = tcg_temp_new();
5776 /* Start with XER OV disabled, the most likely case */
5777 tcg_gen_movi_tl(cpu_ov, 0);
5778 tcg_gen_extu_tl_i64(t0, cpu_gpr[rA(ctx->opcode)]);
5779 tcg_gen_extu_tl_i64(t1, cpu_gpr[rB(ctx->opcode)]);
5780 tcg_gen_mul_i64(t0, t0, t1);
5781 tcg_gen_trunc_i64_tl(t2, t0);
5782 gen_store_spr(SPR_MQ, t2);
5783 tcg_gen_shri_i64(t1, t0, 32);
5784 tcg_gen_trunc_i64_tl(cpu_gpr[rD(ctx->opcode)], t1);
5785 tcg_gen_ext32s_i64(t1, t0);
5786 tcg_gen_brcond_i64(TCG_COND_EQ, t0, t1, l1);
5787 tcg_gen_movi_tl(cpu_ov, 1);
5788 tcg_gen_movi_tl(cpu_so, 1);
5789 gen_set_label(l1);
5790 tcg_temp_free_i64(t0);
5791 tcg_temp_free_i64(t1);
5792 tcg_temp_free(t2);
5793 if (unlikely(Rc(ctx->opcode) != 0)) {
5794 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
5795 }
5796 }
5797
5798 /* nabs - nabs. */
5799 static void gen_nabs(DisasContext *ctx)
5800 {
5801 TCGv d = cpu_gpr[rD(ctx->opcode)];
5802 TCGv a = cpu_gpr[rA(ctx->opcode)];
5803
5804 tcg_gen_abs_tl(d, a);
5805 tcg_gen_neg_tl(d, d);
5806 if (unlikely(Rc(ctx->opcode) != 0)) {
5807 gen_set_Rc0(ctx, d);
5808 }
5809 }
5810
5811 /* nabso - nabso. */
5812 static void gen_nabso(DisasContext *ctx)
5813 {
5814 TCGv d = cpu_gpr[rD(ctx->opcode)];
5815 TCGv a = cpu_gpr[rA(ctx->opcode)];
5816
5817 tcg_gen_abs_tl(d, a);
5818 tcg_gen_neg_tl(d, d);
5819 /* nabs never overflows */
5820 tcg_gen_movi_tl(cpu_ov, 0);
5821 if (unlikely(Rc(ctx->opcode) != 0)) {
5822 gen_set_Rc0(ctx, d);
5823 }
5824 }
5825
5826 /* rlmi - rlmi. */
5827 static void gen_rlmi(DisasContext *ctx)
5828 {
5829 uint32_t mb = MB(ctx->opcode);
5830 uint32_t me = ME(ctx->opcode);
5831 TCGv t0 = tcg_temp_new();
5832 tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F);
5833 tcg_gen_rotl_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
5834 tcg_gen_andi_tl(t0, t0, MASK(mb, me));
5835 tcg_gen_andi_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
5836 ~MASK(mb, me));
5837 tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], t0);
5838 tcg_temp_free(t0);
5839 if (unlikely(Rc(ctx->opcode) != 0)) {
5840 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5841 }
5842 }
5843
5844 /* rrib - rrib. */
5845 static void gen_rrib(DisasContext *ctx)
5846 {
5847 TCGv t0 = tcg_temp_new();
5848 TCGv t1 = tcg_temp_new();
5849 tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F);
5850 tcg_gen_movi_tl(t1, 0x80000000);
5851 tcg_gen_shr_tl(t1, t1, t0);
5852 tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
5853 tcg_gen_and_tl(t0, t0, t1);
5854 tcg_gen_andc_tl(t1, cpu_gpr[rA(ctx->opcode)], t1);
5855 tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
5856 tcg_temp_free(t0);
5857 tcg_temp_free(t1);
5858 if (unlikely(Rc(ctx->opcode) != 0)) {
5859 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5860 }
5861 }
5862
5863 /* sle - sle. */
5864 static void gen_sle(DisasContext *ctx)
5865 {
5866 TCGv t0 = tcg_temp_new();
5867 TCGv t1 = tcg_temp_new();
5868 tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F);
5869 tcg_gen_shl_tl(t0, cpu_gpr[rS(ctx->opcode)], t1);
5870 tcg_gen_subfi_tl(t1, 32, t1);
5871 tcg_gen_shr_tl(t1, cpu_gpr[rS(ctx->opcode)], t1);
5872 tcg_gen_or_tl(t1, t0, t1);
5873 tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
5874 gen_store_spr(SPR_MQ, 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 /* sleq - sleq. */
5883 static void gen_sleq(DisasContext *ctx)
5884 {
5885 TCGv t0 = tcg_temp_new();
5886 TCGv t1 = tcg_temp_new();
5887 TCGv t2 = tcg_temp_new();
5888 tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F);
5889 tcg_gen_movi_tl(t2, 0xFFFFFFFF);
5890 tcg_gen_shl_tl(t2, t2, t0);
5891 tcg_gen_rotl_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
5892 gen_load_spr(t1, SPR_MQ);
5893 gen_store_spr(SPR_MQ, t0);
5894 tcg_gen_and_tl(t0, t0, t2);
5895 tcg_gen_andc_tl(t1, t1, t2);
5896 tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
5897 tcg_temp_free(t0);
5898 tcg_temp_free(t1);
5899 tcg_temp_free(t2);
5900 if (unlikely(Rc(ctx->opcode) != 0)) {
5901 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5902 }
5903 }
5904
5905 /* sliq - sliq. */
5906 static void gen_sliq(DisasContext *ctx)
5907 {
5908 int sh = SH(ctx->opcode);
5909 TCGv t0 = tcg_temp_new();
5910 TCGv t1 = tcg_temp_new();
5911 tcg_gen_shli_tl(t0, cpu_gpr[rS(ctx->opcode)], sh);
5912 tcg_gen_shri_tl(t1, cpu_gpr[rS(ctx->opcode)], 32 - sh);
5913 tcg_gen_or_tl(t1, t0, t1);
5914 tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
5915 gen_store_spr(SPR_MQ, t1);
5916 tcg_temp_free(t0);
5917 tcg_temp_free(t1);
5918 if (unlikely(Rc(ctx->opcode) != 0)) {
5919 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5920 }
5921 }
5922
5923 /* slliq - slliq. */
5924 static void gen_slliq(DisasContext *ctx)
5925 {
5926 int sh = SH(ctx->opcode);
5927 TCGv t0 = tcg_temp_new();
5928 TCGv t1 = tcg_temp_new();
5929 tcg_gen_rotli_tl(t0, cpu_gpr[rS(ctx->opcode)], sh);
5930 gen_load_spr(t1, SPR_MQ);
5931 gen_store_spr(SPR_MQ, t0);
5932 tcg_gen_andi_tl(t0, t0, (0xFFFFFFFFU << sh));
5933 tcg_gen_andi_tl(t1, t1, ~(0xFFFFFFFFU << sh));
5934 tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
5935 tcg_temp_free(t0);
5936 tcg_temp_free(t1);
5937 if (unlikely(Rc(ctx->opcode) != 0)) {
5938 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5939 }
5940 }
5941
5942 /* sllq - sllq. */
5943 static void gen_sllq(DisasContext *ctx)
5944 {
5945 TCGLabel *l1 = gen_new_label();
5946 TCGLabel *l2 = gen_new_label();
5947 TCGv t0 = tcg_temp_local_new();
5948 TCGv t1 = tcg_temp_local_new();
5949 TCGv t2 = tcg_temp_local_new();
5950 tcg_gen_andi_tl(t2, cpu_gpr[rB(ctx->opcode)], 0x1F);
5951 tcg_gen_movi_tl(t1, 0xFFFFFFFF);
5952 tcg_gen_shl_tl(t1, t1, t2);
5953 tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x20);
5954 tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1);
5955 gen_load_spr(t0, SPR_MQ);
5956 tcg_gen_and_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
5957 tcg_gen_br(l2);
5958 gen_set_label(l1);
5959 tcg_gen_shl_tl(t0, cpu_gpr[rS(ctx->opcode)], t2);
5960 gen_load_spr(t2, SPR_MQ);
5961 tcg_gen_andc_tl(t1, t2, t1);
5962 tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
5963 gen_set_label(l2);
5964 tcg_temp_free(t0);
5965 tcg_temp_free(t1);
5966 tcg_temp_free(t2);
5967 if (unlikely(Rc(ctx->opcode) != 0)) {
5968 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5969 }
5970 }
5971
5972 /* slq - slq. */
5973 static void gen_slq(DisasContext *ctx)
5974 {
5975 TCGLabel *l1 = gen_new_label();
5976 TCGv t0 = tcg_temp_new();
5977 TCGv t1 = tcg_temp_new();
5978 tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F);
5979 tcg_gen_shl_tl(t0, cpu_gpr[rS(ctx->opcode)], t1);
5980 tcg_gen_subfi_tl(t1, 32, t1);
5981 tcg_gen_shr_tl(t1, cpu_gpr[rS(ctx->opcode)], t1);
5982 tcg_gen_or_tl(t1, t0, t1);
5983 gen_store_spr(SPR_MQ, t1);
5984 tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x20);
5985 tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
5986 tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1);
5987 tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0);
5988 gen_set_label(l1);
5989 tcg_temp_free(t0);
5990 tcg_temp_free(t1);
5991 if (unlikely(Rc(ctx->opcode) != 0)) {
5992 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5993 }
5994 }
5995
5996 /* sraiq - sraiq. */
5997 static void gen_sraiq(DisasContext *ctx)
5998 {
5999 int sh = SH(ctx->opcode);
6000 TCGLabel *l1 = gen_new_label();
6001 TCGv t0 = tcg_temp_new();
6002 TCGv t1 = tcg_temp_new();
6003 tcg_gen_shri_tl(t0, cpu_gpr[rS(ctx->opcode)], sh);
6004 tcg_gen_shli_tl(t1, cpu_gpr[rS(ctx->opcode)], 32 - sh);
6005 tcg_gen_or_tl(t0, t0, t1);
6006 gen_store_spr(SPR_MQ, t0);
6007 tcg_gen_movi_tl(cpu_ca, 0);
6008 tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1);
6009 tcg_gen_brcondi_tl(TCG_COND_GE, cpu_gpr[rS(ctx->opcode)], 0, l1);
6010 tcg_gen_movi_tl(cpu_ca, 1);
6011 gen_set_label(l1);
6012 tcg_gen_sari_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], sh);
6013 tcg_temp_free(t0);
6014 tcg_temp_free(t1);
6015 if (unlikely(Rc(ctx->opcode) != 0)) {
6016 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
6017 }
6018 }
6019
6020 /* sraq - sraq. */
6021 static void gen_sraq(DisasContext *ctx)
6022 {
6023 TCGLabel *l1 = gen_new_label();
6024 TCGLabel *l2 = gen_new_label();
6025 TCGv t0 = tcg_temp_new();
6026 TCGv t1 = tcg_temp_local_new();
6027 TCGv t2 = tcg_temp_local_new();
6028 tcg_gen_andi_tl(t2, cpu_gpr[rB(ctx->opcode)], 0x1F);
6029 tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t2);
6030 tcg_gen_sar_tl(t1, cpu_gpr[rS(ctx->opcode)], t2);
6031 tcg_gen_subfi_tl(t2, 32, t2);
6032 tcg_gen_shl_tl(t2, cpu_gpr[rS(ctx->opcode)], t2);
6033 tcg_gen_or_tl(t0, t0, t2);
6034 gen_store_spr(SPR_MQ, t0);
6035 tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x20);
6036 tcg_gen_brcondi_tl(TCG_COND_EQ, t2, 0, l1);
6037 tcg_gen_mov_tl(t2, cpu_gpr[rS(ctx->opcode)]);
6038 tcg_gen_sari_tl(t1, cpu_gpr[rS(ctx->opcode)], 31);
6039 gen_set_label(l1);
6040 tcg_temp_free(t0);
6041 tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t1);
6042 tcg_gen_movi_tl(cpu_ca, 0);
6043 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l2);
6044 tcg_gen_brcondi_tl(TCG_COND_EQ, t2, 0, l2);
6045 tcg_gen_movi_tl(cpu_ca, 1);
6046 gen_set_label(l2);
6047 tcg_temp_free(t1);
6048 tcg_temp_free(t2);
6049 if (unlikely(Rc(ctx->opcode) != 0)) {
6050 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
6051 }
6052 }
6053
6054 /* sre - sre. */
6055 static void gen_sre(DisasContext *ctx)
6056 {
6057 TCGv t0 = tcg_temp_new();
6058 TCGv t1 = tcg_temp_new();
6059 tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F);
6060 tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t1);
6061 tcg_gen_subfi_tl(t1, 32, t1);
6062 tcg_gen_shl_tl(t1, cpu_gpr[rS(ctx->opcode)], t1);
6063 tcg_gen_or_tl(t1, t0, t1);
6064 tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
6065 gen_store_spr(SPR_MQ, t1);
6066 tcg_temp_free(t0);
6067 tcg_temp_free(t1);
6068 if (unlikely(Rc(ctx->opcode) != 0)) {
6069 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
6070 }
6071 }
6072
6073 /* srea - srea. */
6074 static void gen_srea(DisasContext *ctx)
6075 {
6076 TCGv t0 = tcg_temp_new();
6077 TCGv t1 = tcg_temp_new();
6078 tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F);
6079 tcg_gen_rotr_tl(t0, cpu_gpr[rS(ctx->opcode)], t1);
6080 gen_store_spr(SPR_MQ, t0);
6081 tcg_gen_sar_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], t1);
6082 tcg_temp_free(t0);
6083 tcg_temp_free(t1);
6084 if (unlikely(Rc(ctx->opcode) != 0)) {
6085 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
6086 }
6087 }
6088
6089 /* sreq */
6090 static void gen_sreq(DisasContext *ctx)
6091 {
6092 TCGv t0 = tcg_temp_new();
6093 TCGv t1 = tcg_temp_new();
6094 TCGv t2 = tcg_temp_new();
6095 tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F);
6096 tcg_gen_movi_tl(t1, 0xFFFFFFFF);
6097 tcg_gen_shr_tl(t1, t1, t0);
6098 tcg_gen_rotr_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
6099 gen_load_spr(t2, SPR_MQ);
6100 gen_store_spr(SPR_MQ, t0);
6101 tcg_gen_and_tl(t0, t0, t1);
6102 tcg_gen_andc_tl(t2, t2, t1);
6103 tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t2);
6104 tcg_temp_free(t0);
6105 tcg_temp_free(t1);
6106 tcg_temp_free(t2);
6107 if (unlikely(Rc(ctx->opcode) != 0)) {
6108 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
6109 }
6110 }
6111
6112 /* sriq */
6113 static void gen_sriq(DisasContext *ctx)
6114 {
6115 int sh = SH(ctx->opcode);
6116 TCGv t0 = tcg_temp_new();
6117 TCGv t1 = tcg_temp_new();
6118 tcg_gen_shri_tl(t0, cpu_gpr[rS(ctx->opcode)], sh);
6119 tcg_gen_shli_tl(t1, cpu_gpr[rS(ctx->opcode)], 32 - sh);
6120 tcg_gen_or_tl(t1, t0, t1);
6121 tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
6122 gen_store_spr(SPR_MQ, t1);
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 /* srliq */
6131 static void gen_srliq(DisasContext *ctx)
6132 {
6133 int sh = SH(ctx->opcode);
6134 TCGv t0 = tcg_temp_new();
6135 TCGv t1 = tcg_temp_new();
6136 tcg_gen_rotri_tl(t0, cpu_gpr[rS(ctx->opcode)], sh);
6137 gen_load_spr(t1, SPR_MQ);
6138 gen_store_spr(SPR_MQ, t0);
6139 tcg_gen_andi_tl(t0, t0, (0xFFFFFFFFU >> sh));
6140 tcg_gen_andi_tl(t1, t1, ~(0xFFFFFFFFU >> sh));
6141 tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
6142 tcg_temp_free(t0);
6143 tcg_temp_free(t1);
6144 if (unlikely(Rc(ctx->opcode) != 0)) {
6145 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
6146 }
6147 }
6148
6149 /* srlq */
6150 static void gen_srlq(DisasContext *ctx)
6151 {
6152 TCGLabel *l1 = gen_new_label();
6153 TCGLabel *l2 = gen_new_label();
6154 TCGv t0 = tcg_temp_local_new();
6155 TCGv t1 = tcg_temp_local_new();
6156 TCGv t2 = tcg_temp_local_new();
6157 tcg_gen_andi_tl(t2, cpu_gpr[rB(ctx->opcode)], 0x1F);
6158 tcg_gen_movi_tl(t1, 0xFFFFFFFF);
6159 tcg_gen_shr_tl(t2, t1, t2);
6160 tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x20);
6161 tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1);
6162 gen_load_spr(t0, SPR_MQ);
6163 tcg_gen_and_tl(cpu_gpr[rA(ctx->opcode)], t0, t2);
6164 tcg_gen_br(l2);
6165 gen_set_label(l1);
6166 tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t2);
6167 tcg_gen_and_tl(t0, t0, t2);
6168 gen_load_spr(t1, SPR_MQ);
6169 tcg_gen_andc_tl(t1, t1, t2);
6170 tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
6171 gen_set_label(l2);
6172 tcg_temp_free(t0);
6173 tcg_temp_free(t1);
6174 tcg_temp_free(t2);
6175 if (unlikely(Rc(ctx->opcode) != 0)) {
6176 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
6177 }
6178 }
6179
6180 /* srq */
6181 static void gen_srq(DisasContext *ctx)
6182 {
6183 TCGLabel *l1 = gen_new_label();
6184 TCGv t0 = tcg_temp_new();
6185 TCGv t1 = tcg_temp_new();
6186 tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F);
6187 tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t1);
6188 tcg_gen_subfi_tl(t1, 32, t1);
6189 tcg_gen_shl_tl(t1, cpu_gpr[rS(ctx->opcode)], t1);
6190 tcg_gen_or_tl(t1, t0, t1);
6191 gen_store_spr(SPR_MQ, t1);
6192 tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x20);
6193 tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
6194 tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1);
6195 tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0);
6196 gen_set_label(l1);
6197 tcg_temp_free(t0);
6198 tcg_temp_free(t1);
6199 if (unlikely(Rc(ctx->opcode) != 0)) {
6200 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
6201 }
6202 }
6203
6204 /* PowerPC 602 specific instructions */
6205
6206 /* dsa */
6207 static void gen_dsa(DisasContext *ctx)
6208 {
6209 /* XXX: TODO */
6210 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
6211 }
6212
6213 /* esa */
6214 static void gen_esa(DisasContext *ctx)
6215 {
6216 /* XXX: TODO */
6217 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
6218 }
6219
6220 /* mfrom */
6221 static void gen_mfrom(DisasContext *ctx)
6222 {
6223 #if defined(CONFIG_USER_ONLY)
6224 GEN_PRIV;
6225 #else
6226 CHK_SV;
6227 gen_helper_602_mfrom(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
6228 #endif /* defined(CONFIG_USER_ONLY) */
6229 }
6230
6231 /* 602 - 603 - G2 TLB management */
6232
6233 /* tlbld */
6234 static void gen_tlbld_6xx(DisasContext *ctx)
6235 {
6236 #if defined(CONFIG_USER_ONLY)
6237 GEN_PRIV;
6238 #else
6239 CHK_SV;
6240 gen_helper_6xx_tlbd(cpu_env, cpu_gpr[rB(ctx->opcode)]);
6241 #endif /* defined(CONFIG_USER_ONLY) */
6242 }
6243
6244 /* tlbli */
6245 static void gen_tlbli_6xx(DisasContext *ctx)
6246 {
6247 #if defined(CONFIG_USER_ONLY)
6248 GEN_PRIV;
6249 #else
6250 CHK_SV;
6251 gen_helper_6xx_tlbi(cpu_env, cpu_gpr[rB(ctx->opcode)]);
6252 #endif /* defined(CONFIG_USER_ONLY) */
6253 }
6254
6255 /* 74xx TLB management */
6256
6257 /* tlbld */
6258 static void gen_tlbld_74xx(DisasContext *ctx)
6259 {
6260 #if defined(CONFIG_USER_ONLY)
6261 GEN_PRIV;
6262 #else
6263 CHK_SV;
6264 gen_helper_74xx_tlbd(cpu_env, cpu_gpr[rB(ctx->opcode)]);
6265 #endif /* defined(CONFIG_USER_ONLY) */
6266 }
6267
6268 /* tlbli */
6269 static void gen_tlbli_74xx(DisasContext *ctx)
6270 {
6271 #if defined(CONFIG_USER_ONLY)
6272 GEN_PRIV;
6273 #else
6274 CHK_SV;
6275 gen_helper_74xx_tlbi(cpu_env, cpu_gpr[rB(ctx->opcode)]);
6276 #endif /* defined(CONFIG_USER_ONLY) */
6277 }
6278
6279 /* POWER instructions not in PowerPC 601 */
6280
6281 /* clf */
6282 static void gen_clf(DisasContext *ctx)
6283 {
6284 /* Cache line flush: implemented as no-op */
6285 }
6286
6287 /* cli */
6288 static void gen_cli(DisasContext *ctx)
6289 {
6290 #if defined(CONFIG_USER_ONLY)
6291 GEN_PRIV;
6292 #else
6293 /* Cache line invalidate: privileged and treated as no-op */
6294 CHK_SV;
6295 #endif /* defined(CONFIG_USER_ONLY) */
6296 }
6297
6298 /* dclst */
6299 static void gen_dclst(DisasContext *ctx)
6300 {
6301 /* Data cache line store: treated as no-op */
6302 }
6303
6304 static void gen_mfsri(DisasContext *ctx)
6305 {
6306 #if defined(CONFIG_USER_ONLY)
6307 GEN_PRIV;
6308 #else
6309 int ra = rA(ctx->opcode);
6310 int rd = rD(ctx->opcode);
6311 TCGv t0;
6312
6313 CHK_SV;
6314 t0 = tcg_temp_new();
6315 gen_addr_reg_index(ctx, t0);
6316 tcg_gen_extract_tl(t0, t0, 28, 4);
6317 gen_helper_load_sr(cpu_gpr[rd], cpu_env, t0);
6318 tcg_temp_free(t0);
6319 if (ra != 0 && ra != rd) {
6320 tcg_gen_mov_tl(cpu_gpr[ra], cpu_gpr[rd]);
6321 }
6322 #endif /* defined(CONFIG_USER_ONLY) */
6323 }
6324
6325 static void gen_rac(DisasContext *ctx)
6326 {
6327 #if defined(CONFIG_USER_ONLY)
6328 GEN_PRIV;
6329 #else
6330 TCGv t0;
6331
6332 CHK_SV;
6333 t0 = tcg_temp_new();
6334 gen_addr_reg_index(ctx, t0);
6335 gen_helper_rac(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
6336 tcg_temp_free(t0);
6337 #endif /* defined(CONFIG_USER_ONLY) */
6338 }
6339
6340 static void gen_rfsvc(DisasContext *ctx)
6341 {
6342 #if defined(CONFIG_USER_ONLY)
6343 GEN_PRIV;
6344 #else
6345 CHK_SV;
6346
6347 gen_helper_rfsvc(cpu_env);
6348 ctx->base.is_jmp = DISAS_EXIT;
6349 #endif /* defined(CONFIG_USER_ONLY) */
6350 }
6351
6352 /* svc is not implemented for now */
6353
6354 /* BookE specific instructions */
6355
6356 /* XXX: not implemented on 440 ? */
6357 static void gen_mfapidi(DisasContext *ctx)
6358 {
6359 /* XXX: TODO */
6360 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
6361 }
6362
6363 /* XXX: not implemented on 440 ? */
6364 static void gen_tlbiva(DisasContext *ctx)
6365 {
6366 #if defined(CONFIG_USER_ONLY)
6367 GEN_PRIV;
6368 #else
6369 TCGv t0;
6370
6371 CHK_SV;
6372 t0 = tcg_temp_new();
6373 gen_addr_reg_index(ctx, t0);
6374 gen_helper_tlbiva(cpu_env, cpu_gpr[rB(ctx->opcode)]);
6375 tcg_temp_free(t0);
6376 #endif /* defined(CONFIG_USER_ONLY) */
6377 }
6378
6379 /* All 405 MAC instructions are translated here */
6380 static inline void gen_405_mulladd_insn(DisasContext *ctx, int opc2, int opc3,
6381 int ra, int rb, int rt, int Rc)
6382 {
6383 TCGv t0, t1;
6384
6385 t0 = tcg_temp_local_new();
6386 t1 = tcg_temp_local_new();
6387
6388 switch (opc3 & 0x0D) {
6389 case 0x05:
6390 /* macchw - macchw. - macchwo - macchwo. */
6391 /* macchws - macchws. - macchwso - macchwso. */
6392 /* nmacchw - nmacchw. - nmacchwo - nmacchwo. */
6393 /* nmacchws - nmacchws. - nmacchwso - nmacchwso. */
6394 /* mulchw - mulchw. */
6395 tcg_gen_ext16s_tl(t0, cpu_gpr[ra]);
6396 tcg_gen_sari_tl(t1, cpu_gpr[rb], 16);
6397 tcg_gen_ext16s_tl(t1, t1);
6398 break;
6399 case 0x04:
6400 /* macchwu - macchwu. - macchwuo - macchwuo. */
6401 /* macchwsu - macchwsu. - macchwsuo - macchwsuo. */
6402 /* mulchwu - mulchwu. */
6403 tcg_gen_ext16u_tl(t0, cpu_gpr[ra]);
6404 tcg_gen_shri_tl(t1, cpu_gpr[rb], 16);
6405 tcg_gen_ext16u_tl(t1, t1);
6406 break;
6407 case 0x01:
6408 /* machhw - machhw. - machhwo - machhwo. */
6409 /* machhws - machhws. - machhwso - machhwso. */
6410 /* nmachhw - nmachhw. - nmachhwo - nmachhwo. */
6411 /* nmachhws - nmachhws. - nmachhwso - nmachhwso. */
6412 /* mulhhw - mulhhw. */
6413 tcg_gen_sari_tl(t0, cpu_gpr[ra], 16);
6414 tcg_gen_ext16s_tl(t0, t0);
6415 tcg_gen_sari_tl(t1, cpu_gpr[rb], 16);
6416 tcg_gen_ext16s_tl(t1, t1);
6417 break;
6418 case 0x00:
6419 /* machhwu - machhwu. - machhwuo - machhwuo. */
6420 /* machhwsu - machhwsu. - machhwsuo - machhwsuo. */
6421 /* mulhhwu - mulhhwu. */
6422 tcg_gen_shri_tl(t0, cpu_gpr[ra], 16);
6423 tcg_gen_ext16u_tl(t0, t0);
6424 tcg_gen_shri_tl(t1, cpu_gpr[rb], 16);
6425 tcg_gen_ext16u_tl(t1, t1);
6426 break;
6427 case 0x0D:
6428 /* maclhw - maclhw. - maclhwo - maclhwo. */
6429 /* maclhws - maclhws. - maclhwso - maclhwso. */
6430 /* nmaclhw - nmaclhw. - nmaclhwo - nmaclhwo. */
6431 /* nmaclhws - nmaclhws. - nmaclhwso - nmaclhwso. */
6432 /* mullhw - mullhw. */
6433 tcg_gen_ext16s_tl(t0, cpu_gpr[ra]);
6434 tcg_gen_ext16s_tl(t1, cpu_gpr[rb]);
6435 break;
6436 case 0x0C:
6437 /* maclhwu - maclhwu. - maclhwuo - maclhwuo. */
6438 /* maclhwsu - maclhwsu. - maclhwsuo - maclhwsuo. */
6439 /* mullhwu - mullhwu. */
6440 tcg_gen_ext16u_tl(t0, cpu_gpr[ra]);
6441 tcg_gen_ext16u_tl(t1, cpu_gpr[rb]);
6442 break;
6443 }
6444 if (opc2 & 0x04) {
6445 /* (n)multiply-and-accumulate (0x0C / 0x0E) */
6446 tcg_gen_mul_tl(t1, t0, t1);
6447 if (opc2 & 0x02) {
6448 /* nmultiply-and-accumulate (0x0E) */
6449 tcg_gen_sub_tl(t0, cpu_gpr[rt], t1);
6450 } else {
6451 /* multiply-and-accumulate (0x0C) */
6452 tcg_gen_add_tl(t0, cpu_gpr[rt], t1);
6453 }
6454
6455 if (opc3 & 0x12) {
6456 /* Check overflow and/or saturate */
6457 TCGLabel *l1 = gen_new_label();
6458
6459 if (opc3 & 0x10) {
6460 /* Start with XER OV disabled, the most likely case */
6461 tcg_gen_movi_tl(cpu_ov, 0);
6462 }
6463 if (opc3 & 0x01) {
6464 /* Signed */
6465 tcg_gen_xor_tl(t1, cpu_gpr[rt], t1);
6466 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1);
6467 tcg_gen_xor_tl(t1, cpu_gpr[rt], t0);
6468 tcg_gen_brcondi_tl(TCG_COND_LT, t1, 0, l1);
6469 if (opc3 & 0x02) {
6470 /* Saturate */
6471 tcg_gen_sari_tl(t0, cpu_gpr[rt], 31);
6472 tcg_gen_xori_tl(t0, t0, 0x7fffffff);
6473 }
6474 } else {
6475 /* Unsigned */
6476 tcg_gen_brcond_tl(TCG_COND_GEU, t0, t1, l1);
6477 if (opc3 & 0x02) {
6478 /* Saturate */
6479 tcg_gen_movi_tl(t0, UINT32_MAX);
6480 }
6481 }
6482 if (opc3 & 0x10) {
6483 /* Check overflow */
6484 tcg_gen_movi_tl(cpu_ov, 1);
6485 tcg_gen_movi_tl(cpu_so, 1);
6486 }
6487 gen_set_label(l1);
6488 tcg_gen_mov_tl(cpu_gpr[rt], t0);
6489 }
6490 } else {
6491 tcg_gen_mul_tl(cpu_gpr[rt], t0, t1);
6492 }
6493 tcg_temp_free(t0);
6494 tcg_temp_free(t1);
6495 if (unlikely(Rc) != 0) {
6496 /* Update Rc0 */
6497 gen_set_Rc0(ctx, cpu_gpr[rt]);
6498 }
6499 }
6500
6501 #define GEN_MAC_HANDLER(name, opc2, opc3) \
6502 static void glue(gen_, name)(DisasContext *ctx) \
6503 { \
6504 gen_405_mulladd_insn(ctx, opc2, opc3, rA(ctx->opcode), rB(ctx->opcode), \
6505 rD(ctx->opcode), Rc(ctx->opcode)); \
6506 }
6507
6508 /* macchw - macchw. */
6509 GEN_MAC_HANDLER(macchw, 0x0C, 0x05);
6510 /* macchwo - macchwo. */
6511 GEN_MAC_HANDLER(macchwo, 0x0C, 0x15);
6512 /* macchws - macchws. */
6513 GEN_MAC_HANDLER(macchws, 0x0C, 0x07);
6514 /* macchwso - macchwso. */
6515 GEN_MAC_HANDLER(macchwso, 0x0C, 0x17);
6516 /* macchwsu - macchwsu. */
6517 GEN_MAC_HANDLER(macchwsu, 0x0C, 0x06);
6518 /* macchwsuo - macchwsuo. */
6519 GEN_MAC_HANDLER(macchwsuo, 0x0C, 0x16);
6520 /* macchwu - macchwu. */
6521 GEN_MAC_HANDLER(macchwu, 0x0C, 0x04);
6522 /* macchwuo - macchwuo. */
6523 GEN_MAC_HANDLER(macchwuo, 0x0C, 0x14);
6524 /* machhw - machhw. */
6525 GEN_MAC_HANDLER(machhw, 0x0C, 0x01);
6526 /* machhwo - machhwo. */
6527 GEN_MAC_HANDLER(machhwo, 0x0C, 0x11);
6528 /* machhws - machhws. */
6529 GEN_MAC_HANDLER(machhws, 0x0C, 0x03);
6530 /* machhwso - machhwso. */
6531 GEN_MAC_HANDLER(machhwso, 0x0C, 0x13);
6532 /* machhwsu - machhwsu. */
6533 GEN_MAC_HANDLER(machhwsu, 0x0C, 0x02);
6534 /* machhwsuo - machhwsuo. */
6535 GEN_MAC_HANDLER(machhwsuo, 0x0C, 0x12);
6536 /* machhwu - machhwu. */
6537 GEN_MAC_HANDLER(machhwu, 0x0C, 0x00);
6538 /* machhwuo - machhwuo. */
6539 GEN_MAC_HANDLER(machhwuo, 0x0C, 0x10);
6540 /* maclhw - maclhw. */
6541 GEN_MAC_HANDLER(maclhw, 0x0C, 0x0D);
6542 /* maclhwo - maclhwo. */
6543 GEN_MAC_HANDLER(maclhwo, 0x0C, 0x1D);
6544 /* maclhws - maclhws. */
6545 GEN_MAC_HANDLER(maclhws, 0x0C, 0x0F);
6546 /* maclhwso - maclhwso. */
6547 GEN_MAC_HANDLER(maclhwso, 0x0C, 0x1F);
6548 /* maclhwu - maclhwu. */
6549 GEN_MAC_HANDLER(maclhwu, 0x0C, 0x0C);
6550 /* maclhwuo - maclhwuo. */
6551 GEN_MAC_HANDLER(maclhwuo, 0x0C, 0x1C);
6552 /* maclhwsu - maclhwsu. */
6553 GEN_MAC_HANDLER(maclhwsu, 0x0C, 0x0E);
6554 /* maclhwsuo - maclhwsuo. */
6555 GEN_MAC_HANDLER(maclhwsuo, 0x0C, 0x1E);
6556 /* nmacchw - nmacchw. */
6557 GEN_MAC_HANDLER(nmacchw, 0x0E, 0x05);
6558 /* nmacchwo - nmacchwo. */
6559 GEN_MAC_HANDLER(nmacchwo, 0x0E, 0x15);
6560 /* nmacchws - nmacchws. */
6561 GEN_MAC_HANDLER(nmacchws, 0x0E, 0x07);
6562 /* nmacchwso - nmacchwso. */
6563 GEN_MAC_HANDLER(nmacchwso, 0x0E, 0x17);
6564 /* nmachhw - nmachhw. */
6565 GEN_MAC_HANDLER(nmachhw, 0x0E, 0x01);
6566 /* nmachhwo - nmachhwo. */
6567 GEN_MAC_HANDLER(nmachhwo, 0x0E, 0x11);
6568 /* nmachhws - nmachhws. */
6569 GEN_MAC_HANDLER(nmachhws, 0x0E, 0x03);
6570 /* nmachhwso - nmachhwso. */
6571 GEN_MAC_HANDLER(nmachhwso, 0x0E, 0x13);
6572 /* nmaclhw - nmaclhw. */
6573 GEN_MAC_HANDLER(nmaclhw, 0x0E, 0x0D);
6574 /* nmaclhwo - nmaclhwo. */
6575 GEN_MAC_HANDLER(nmaclhwo, 0x0E, 0x1D);
6576 /* nmaclhws - nmaclhws. */
6577 GEN_MAC_HANDLER(nmaclhws, 0x0E, 0x0F);
6578 /* nmaclhwso - nmaclhwso. */
6579 GEN_MAC_HANDLER(nmaclhwso, 0x0E, 0x1F);
6580
6581 /* mulchw - mulchw. */
6582 GEN_MAC_HANDLER(mulchw, 0x08, 0x05);
6583 /* mulchwu - mulchwu. */
6584 GEN_MAC_HANDLER(mulchwu, 0x08, 0x04);
6585 /* mulhhw - mulhhw. */
6586 GEN_MAC_HANDLER(mulhhw, 0x08, 0x01);
6587 /* mulhhwu - mulhhwu. */
6588 GEN_MAC_HANDLER(mulhhwu, 0x08, 0x00);
6589 /* mullhw - mullhw. */
6590 GEN_MAC_HANDLER(mullhw, 0x08, 0x0D);
6591 /* mullhwu - mullhwu. */
6592 GEN_MAC_HANDLER(mullhwu, 0x08, 0x0C);
6593
6594 /* mfdcr */
6595 static void gen_mfdcr(DisasContext *ctx)
6596 {
6597 #if defined(CONFIG_USER_ONLY)
6598 GEN_PRIV;
6599 #else
6600 TCGv dcrn;
6601
6602 CHK_SV;
6603 dcrn = tcg_const_tl(SPR(ctx->opcode));
6604 gen_helper_load_dcr(cpu_gpr[rD(ctx->opcode)], cpu_env, dcrn);
6605 tcg_temp_free(dcrn);
6606 #endif /* defined(CONFIG_USER_ONLY) */
6607 }
6608
6609 /* mtdcr */
6610 static void gen_mtdcr(DisasContext *ctx)
6611 {
6612 #if defined(CONFIG_USER_ONLY)
6613 GEN_PRIV;
6614 #else
6615 TCGv dcrn;
6616
6617 CHK_SV;
6618 dcrn = tcg_const_tl(SPR(ctx->opcode));
6619 gen_helper_store_dcr(cpu_env, dcrn, cpu_gpr[rS(ctx->opcode)]);
6620 tcg_temp_free(dcrn);
6621 #endif /* defined(CONFIG_USER_ONLY) */
6622 }
6623
6624 /* mfdcrx */
6625 /* XXX: not implemented on 440 ? */
6626 static void gen_mfdcrx(DisasContext *ctx)
6627 {
6628 #if defined(CONFIG_USER_ONLY)
6629 GEN_PRIV;
6630 #else
6631 CHK_SV;
6632 gen_helper_load_dcr(cpu_gpr[rD(ctx->opcode)], cpu_env,
6633 cpu_gpr[rA(ctx->opcode)]);
6634 /* Note: Rc update flag set leads to undefined state of Rc0 */
6635 #endif /* defined(CONFIG_USER_ONLY) */
6636 }
6637
6638 /* mtdcrx */
6639 /* XXX: not implemented on 440 ? */
6640 static void gen_mtdcrx(DisasContext *ctx)
6641 {
6642 #if defined(CONFIG_USER_ONLY)
6643 GEN_PRIV;
6644 #else
6645 CHK_SV;
6646 gen_helper_store_dcr(cpu_env, cpu_gpr[rA(ctx->opcode)],
6647 cpu_gpr[rS(ctx->opcode)]);
6648 /* Note: Rc update flag set leads to undefined state of Rc0 */
6649 #endif /* defined(CONFIG_USER_ONLY) */
6650 }
6651
6652 /* mfdcrux (PPC 460) : user-mode access to DCR */
6653 static void gen_mfdcrux(DisasContext *ctx)
6654 {
6655 gen_helper_load_dcr(cpu_gpr[rD(ctx->opcode)], cpu_env,
6656 cpu_gpr[rA(ctx->opcode)]);
6657 /* Note: Rc update flag set leads to undefined state of Rc0 */
6658 }
6659
6660 /* mtdcrux (PPC 460) : user-mode access to DCR */
6661 static void gen_mtdcrux(DisasContext *ctx)
6662 {
6663 gen_helper_store_dcr(cpu_env, cpu_gpr[rA(ctx->opcode)],
6664 cpu_gpr[rS(ctx->opcode)]);
6665 /* Note: Rc update flag set leads to undefined state of Rc0 */
6666 }
6667
6668 /* dccci */
6669 static void gen_dccci(DisasContext *ctx)
6670 {
6671 CHK_SV;
6672 /* interpreted as no-op */
6673 }
6674
6675 /* dcread */
6676 static void gen_dcread(DisasContext *ctx)
6677 {
6678 #if defined(CONFIG_USER_ONLY)
6679 GEN_PRIV;
6680 #else
6681 TCGv EA, val;
6682
6683 CHK_SV;
6684 gen_set_access_type(ctx, ACCESS_CACHE);
6685 EA = tcg_temp_new();
6686 gen_addr_reg_index(ctx, EA);
6687 val = tcg_temp_new();
6688 gen_qemu_ld32u(ctx, val, EA);
6689 tcg_temp_free(val);
6690 tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], EA);
6691 tcg_temp_free(EA);
6692 #endif /* defined(CONFIG_USER_ONLY) */
6693 }
6694
6695 /* icbt */
6696 static void gen_icbt_40x(DisasContext *ctx)
6697 {
6698 /*
6699 * interpreted as no-op
6700 * XXX: specification say this is treated as a load by the MMU but
6701 * does not generate any exception
6702 */
6703 }
6704
6705 /* iccci */
6706 static void gen_iccci(DisasContext *ctx)
6707 {
6708 CHK_SV;
6709 /* interpreted as no-op */
6710 }
6711
6712 /* icread */
6713 static void gen_icread(DisasContext *ctx)
6714 {
6715 CHK_SV;
6716 /* interpreted as no-op */
6717 }
6718
6719 /* rfci (supervisor only) */
6720 static void gen_rfci_40x(DisasContext *ctx)
6721 {
6722 #if defined(CONFIG_USER_ONLY)
6723 GEN_PRIV;
6724 #else
6725 CHK_SV;
6726 /* Restore CPU state */
6727 gen_helper_40x_rfci(cpu_env);
6728 ctx->base.is_jmp = DISAS_EXIT;
6729 #endif /* defined(CONFIG_USER_ONLY) */
6730 }
6731
6732 static void gen_rfci(DisasContext *ctx)
6733 {
6734 #if defined(CONFIG_USER_ONLY)
6735 GEN_PRIV;
6736 #else
6737 CHK_SV;
6738 /* Restore CPU state */
6739 gen_helper_rfci(cpu_env);
6740 ctx->base.is_jmp = DISAS_EXIT;
6741 #endif /* defined(CONFIG_USER_ONLY) */
6742 }
6743
6744 /* BookE specific */
6745
6746 /* XXX: not implemented on 440 ? */
6747 static void gen_rfdi(DisasContext *ctx)
6748 {
6749 #if defined(CONFIG_USER_ONLY)
6750 GEN_PRIV;
6751 #else
6752 CHK_SV;
6753 /* Restore CPU state */
6754 gen_helper_rfdi(cpu_env);
6755 ctx->base.is_jmp = DISAS_EXIT;
6756 #endif /* defined(CONFIG_USER_ONLY) */
6757 }
6758
6759 /* XXX: not implemented on 440 ? */
6760 static void gen_rfmci(DisasContext *ctx)
6761 {
6762 #if defined(CONFIG_USER_ONLY)
6763 GEN_PRIV;
6764 #else
6765 CHK_SV;
6766 /* Restore CPU state */
6767 gen_helper_rfmci(cpu_env);
6768 ctx->base.is_jmp = DISAS_EXIT;
6769 #endif /* defined(CONFIG_USER_ONLY) */
6770 }
6771
6772 /* TLB management - PowerPC 405 implementation */
6773
6774 /* tlbre */
6775 static void gen_tlbre_40x(DisasContext *ctx)
6776 {
6777 #if defined(CONFIG_USER_ONLY)
6778 GEN_PRIV;
6779 #else
6780 CHK_SV;
6781 switch (rB(ctx->opcode)) {
6782 case 0:
6783 gen_helper_4xx_tlbre_hi(cpu_gpr[rD(ctx->opcode)], cpu_env,
6784 cpu_gpr[rA(ctx->opcode)]);
6785 break;
6786 case 1:
6787 gen_helper_4xx_tlbre_lo(cpu_gpr[rD(ctx->opcode)], cpu_env,
6788 cpu_gpr[rA(ctx->opcode)]);
6789 break;
6790 default:
6791 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
6792 break;
6793 }
6794 #endif /* defined(CONFIG_USER_ONLY) */
6795 }
6796
6797 /* tlbsx - tlbsx. */
6798 static void gen_tlbsx_40x(DisasContext *ctx)
6799 {
6800 #if defined(CONFIG_USER_ONLY)
6801 GEN_PRIV;
6802 #else
6803 TCGv t0;
6804
6805 CHK_SV;
6806 t0 = tcg_temp_new();
6807 gen_addr_reg_index(ctx, t0);
6808 gen_helper_4xx_tlbsx(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
6809 tcg_temp_free(t0);
6810 if (Rc(ctx->opcode)) {
6811 TCGLabel *l1 = gen_new_label();
6812 tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so);
6813 tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[rD(ctx->opcode)], -1, l1);
6814 tcg_gen_ori_i32(cpu_crf[0], cpu_crf[0], 0x02);
6815 gen_set_label(l1);
6816 }
6817 #endif /* defined(CONFIG_USER_ONLY) */
6818 }
6819
6820 /* tlbwe */
6821 static void gen_tlbwe_40x(DisasContext *ctx)
6822 {
6823 #if defined(CONFIG_USER_ONLY)
6824 GEN_PRIV;
6825 #else
6826 CHK_SV;
6827
6828 switch (rB(ctx->opcode)) {
6829 case 0:
6830 gen_helper_4xx_tlbwe_hi(cpu_env, cpu_gpr[rA(ctx->opcode)],
6831 cpu_gpr[rS(ctx->opcode)]);
6832 break;
6833 case 1:
6834 gen_helper_4xx_tlbwe_lo(cpu_env, cpu_gpr[rA(ctx->opcode)],
6835 cpu_gpr[rS(ctx->opcode)]);
6836 break;
6837 default:
6838 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
6839 break;
6840 }
6841 #endif /* defined(CONFIG_USER_ONLY) */
6842 }
6843
6844 /* TLB management - PowerPC 440 implementation */
6845
6846 /* tlbre */
6847 static void gen_tlbre_440(DisasContext *ctx)
6848 {
6849 #if defined(CONFIG_USER_ONLY)
6850 GEN_PRIV;
6851 #else
6852 CHK_SV;
6853
6854 switch (rB(ctx->opcode)) {
6855 case 0:
6856 case 1:
6857 case 2:
6858 {
6859 TCGv_i32 t0 = tcg_const_i32(rB(ctx->opcode));
6860 gen_helper_440_tlbre(cpu_gpr[rD(ctx->opcode)], cpu_env,
6861 t0, cpu_gpr[rA(ctx->opcode)]);
6862 tcg_temp_free_i32(t0);
6863 }
6864 break;
6865 default:
6866 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
6867 break;
6868 }
6869 #endif /* defined(CONFIG_USER_ONLY) */
6870 }
6871
6872 /* tlbsx - tlbsx. */
6873 static void gen_tlbsx_440(DisasContext *ctx)
6874 {
6875 #if defined(CONFIG_USER_ONLY)
6876 GEN_PRIV;
6877 #else
6878 TCGv t0;
6879
6880 CHK_SV;
6881 t0 = tcg_temp_new();
6882 gen_addr_reg_index(ctx, t0);
6883 gen_helper_440_tlbsx(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
6884 tcg_temp_free(t0);
6885 if (Rc(ctx->opcode)) {
6886 TCGLabel *l1 = gen_new_label();
6887 tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so);
6888 tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[rD(ctx->opcode)], -1, l1);
6889 tcg_gen_ori_i32(cpu_crf[0], cpu_crf[0], 0x02);
6890 gen_set_label(l1);
6891 }
6892 #endif /* defined(CONFIG_USER_ONLY) */
6893 }
6894
6895 /* tlbwe */
6896 static void gen_tlbwe_440(DisasContext *ctx)
6897 {
6898 #if defined(CONFIG_USER_ONLY)
6899 GEN_PRIV;
6900 #else
6901 CHK_SV;
6902 switch (rB(ctx->opcode)) {
6903 case 0:
6904 case 1:
6905 case 2:
6906 {
6907 TCGv_i32 t0 = tcg_const_i32(rB(ctx->opcode));
6908 gen_helper_440_tlbwe(cpu_env, t0, cpu_gpr[rA(ctx->opcode)],
6909 cpu_gpr[rS(ctx->opcode)]);
6910 tcg_temp_free_i32(t0);
6911 }
6912 break;
6913 default:
6914 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
6915 break;
6916 }
6917 #endif /* defined(CONFIG_USER_ONLY) */
6918 }
6919
6920 /* TLB management - PowerPC BookE 2.06 implementation */
6921
6922 /* tlbre */
6923 static void gen_tlbre_booke206(DisasContext *ctx)
6924 {
6925 #if defined(CONFIG_USER_ONLY)
6926 GEN_PRIV;
6927 #else
6928 CHK_SV;
6929 gen_helper_booke206_tlbre(cpu_env);
6930 #endif /* defined(CONFIG_USER_ONLY) */
6931 }
6932
6933 /* tlbsx - tlbsx. */
6934 static void gen_tlbsx_booke206(DisasContext *ctx)
6935 {
6936 #if defined(CONFIG_USER_ONLY)
6937 GEN_PRIV;
6938 #else
6939 TCGv t0;
6940
6941 CHK_SV;
6942 if (rA(ctx->opcode)) {
6943 t0 = tcg_temp_new();
6944 tcg_gen_mov_tl(t0, cpu_gpr[rD(ctx->opcode)]);
6945 } else {
6946 t0 = tcg_const_tl(0);
6947 }
6948
6949 tcg_gen_add_tl(t0, t0, cpu_gpr[rB(ctx->opcode)]);
6950 gen_helper_booke206_tlbsx(cpu_env, t0);
6951 tcg_temp_free(t0);
6952 #endif /* defined(CONFIG_USER_ONLY) */
6953 }
6954
6955 /* tlbwe */
6956 static void gen_tlbwe_booke206(DisasContext *ctx)
6957 {
6958 #if defined(CONFIG_USER_ONLY)
6959 GEN_PRIV;
6960 #else
6961 CHK_SV;
6962 gen_helper_booke206_tlbwe(cpu_env);
6963 #endif /* defined(CONFIG_USER_ONLY) */
6964 }
6965
6966 static void gen_tlbivax_booke206(DisasContext *ctx)
6967 {
6968 #if defined(CONFIG_USER_ONLY)
6969 GEN_PRIV;
6970 #else
6971 TCGv t0;
6972
6973 CHK_SV;
6974 t0 = tcg_temp_new();
6975 gen_addr_reg_index(ctx, t0);
6976 gen_helper_booke206_tlbivax(cpu_env, t0);
6977 tcg_temp_free(t0);
6978 #endif /* defined(CONFIG_USER_ONLY) */
6979 }
6980
6981 static void gen_tlbilx_booke206(DisasContext *ctx)
6982 {
6983 #if defined(CONFIG_USER_ONLY)
6984 GEN_PRIV;
6985 #else
6986 TCGv t0;
6987
6988 CHK_SV;
6989 t0 = tcg_temp_new();
6990 gen_addr_reg_index(ctx, t0);
6991
6992 switch ((ctx->opcode >> 21) & 0x3) {
6993 case 0:
6994 gen_helper_booke206_tlbilx0(cpu_env, t0);
6995 break;
6996 case 1:
6997 gen_helper_booke206_tlbilx1(cpu_env, t0);
6998 break;
6999 case 3:
7000 gen_helper_booke206_tlbilx3(cpu_env, t0);
7001 break;
7002 default:
7003 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
7004 break;
7005 }
7006
7007 tcg_temp_free(t0);
7008 #endif /* defined(CONFIG_USER_ONLY) */
7009 }
7010
7011
7012 /* wrtee */
7013 static void gen_wrtee(DisasContext *ctx)
7014 {
7015 #if defined(CONFIG_USER_ONLY)
7016 GEN_PRIV;
7017 #else
7018 TCGv t0;
7019
7020 CHK_SV;
7021 t0 = tcg_temp_new();
7022 tcg_gen_andi_tl(t0, cpu_gpr[rD(ctx->opcode)], (1 << MSR_EE));
7023 tcg_gen_andi_tl(cpu_msr, cpu_msr, ~(1 << MSR_EE));
7024 tcg_gen_or_tl(cpu_msr, cpu_msr, t0);
7025 tcg_temp_free(t0);
7026 /*
7027 * Stop translation to have a chance to raise an exception if we
7028 * just set msr_ee to 1
7029 */
7030 ctx->base.is_jmp = DISAS_EXIT_UPDATE;
7031 #endif /* defined(CONFIG_USER_ONLY) */
7032 }
7033
7034 /* wrteei */
7035 static void gen_wrteei(DisasContext *ctx)
7036 {
7037 #if defined(CONFIG_USER_ONLY)
7038 GEN_PRIV;
7039 #else
7040 CHK_SV;
7041 if (ctx->opcode & 0x00008000) {
7042 tcg_gen_ori_tl(cpu_msr, cpu_msr, (1 << MSR_EE));
7043 /* Stop translation to have a chance to raise an exception */
7044 ctx->base.is_jmp = DISAS_EXIT_UPDATE;
7045 } else {
7046 tcg_gen_andi_tl(cpu_msr, cpu_msr, ~(1 << MSR_EE));
7047 }
7048 #endif /* defined(CONFIG_USER_ONLY) */
7049 }
7050
7051 /* PowerPC 440 specific instructions */
7052
7053 /* dlmzb */
7054 static void gen_dlmzb(DisasContext *ctx)
7055 {
7056 TCGv_i32 t0 = tcg_const_i32(Rc(ctx->opcode));
7057 gen_helper_dlmzb(cpu_gpr[rA(ctx->opcode)], cpu_env,
7058 cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], t0);
7059 tcg_temp_free_i32(t0);
7060 }
7061
7062 /* mbar replaces eieio on 440 */
7063 static void gen_mbar(DisasContext *ctx)
7064 {
7065 /* interpreted as no-op */
7066 }
7067
7068 /* msync replaces sync on 440 */
7069 static void gen_msync_4xx(DisasContext *ctx)
7070 {
7071 /* Only e500 seems to treat reserved bits as invalid */
7072 if ((ctx->insns_flags2 & PPC2_BOOKE206) &&
7073 (ctx->opcode & 0x03FFF801)) {
7074 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
7075 }
7076 /* otherwise interpreted as no-op */
7077 }
7078
7079 /* icbt */
7080 static void gen_icbt_440(DisasContext *ctx)
7081 {
7082 /*
7083 * interpreted as no-op
7084 * XXX: specification say this is treated as a load by the MMU but
7085 * does not generate any exception
7086 */
7087 }
7088
7089 /* Embedded.Processor Control */
7090
7091 static void gen_msgclr(DisasContext *ctx)
7092 {
7093 #if defined(CONFIG_USER_ONLY)
7094 GEN_PRIV;
7095 #else
7096 CHK_HV;
7097 if (is_book3s_arch2x(ctx)) {
7098 gen_helper_book3s_msgclr(cpu_env, cpu_gpr[rB(ctx->opcode)]);
7099 } else {
7100 gen_helper_msgclr(cpu_env, cpu_gpr[rB(ctx->opcode)]);
7101 }
7102 #endif /* defined(CONFIG_USER_ONLY) */
7103 }
7104
7105 static void gen_msgsnd(DisasContext *ctx)
7106 {
7107 #if defined(CONFIG_USER_ONLY)
7108 GEN_PRIV;
7109 #else
7110 CHK_HV;
7111 if (is_book3s_arch2x(ctx)) {
7112 gen_helper_book3s_msgsnd(cpu_gpr[rB(ctx->opcode)]);
7113 } else {
7114 gen_helper_msgsnd(cpu_gpr[rB(ctx->opcode)]);
7115 }
7116 #endif /* defined(CONFIG_USER_ONLY) */
7117 }
7118
7119 #if defined(TARGET_PPC64)
7120 static void gen_msgclrp(DisasContext *ctx)
7121 {
7122 #if defined(CONFIG_USER_ONLY)
7123 GEN_PRIV;
7124 #else
7125 CHK_SV;
7126 gen_helper_book3s_msgclrp(cpu_env, cpu_gpr[rB(ctx->opcode)]);
7127 #endif /* defined(CONFIG_USER_ONLY) */
7128 }
7129
7130 static void gen_msgsndp(DisasContext *ctx)
7131 {
7132 #if defined(CONFIG_USER_ONLY)
7133 GEN_PRIV;
7134 #else
7135 CHK_SV;
7136 gen_helper_book3s_msgsndp(cpu_env, cpu_gpr[rB(ctx->opcode)]);
7137 #endif /* defined(CONFIG_USER_ONLY) */
7138 }
7139 #endif
7140
7141 static void gen_msgsync(DisasContext *ctx)
7142 {
7143 #if defined(CONFIG_USER_ONLY)
7144 GEN_PRIV;
7145 #else
7146 CHK_HV;
7147 #endif /* defined(CONFIG_USER_ONLY) */
7148 /* interpreted as no-op */
7149 }
7150
7151 #if defined(TARGET_PPC64)
7152 static void gen_maddld(DisasContext *ctx)
7153 {
7154 TCGv_i64 t1 = tcg_temp_new_i64();
7155
7156 tcg_gen_mul_i64(t1, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
7157 tcg_gen_add_i64(cpu_gpr[rD(ctx->opcode)], t1, cpu_gpr[rC(ctx->opcode)]);
7158 tcg_temp_free_i64(t1);
7159 }
7160
7161 /* maddhd maddhdu */
7162 static void gen_maddhd_maddhdu(DisasContext *ctx)
7163 {
7164 TCGv_i64 lo = tcg_temp_new_i64();
7165 TCGv_i64 hi = tcg_temp_new_i64();
7166 TCGv_i64 t1 = tcg_temp_new_i64();
7167
7168 if (Rc(ctx->opcode)) {
7169 tcg_gen_mulu2_i64(lo, hi, cpu_gpr[rA(ctx->opcode)],
7170 cpu_gpr[rB(ctx->opcode)]);
7171 tcg_gen_movi_i64(t1, 0);
7172 } else {
7173 tcg_gen_muls2_i64(lo, hi, cpu_gpr[rA(ctx->opcode)],
7174 cpu_gpr[rB(ctx->opcode)]);
7175 tcg_gen_sari_i64(t1, cpu_gpr[rC(ctx->opcode)], 63);
7176 }
7177 tcg_gen_add2_i64(t1, cpu_gpr[rD(ctx->opcode)], lo, hi,
7178 cpu_gpr[rC(ctx->opcode)], t1);
7179 tcg_temp_free_i64(lo);
7180 tcg_temp_free_i64(hi);
7181 tcg_temp_free_i64(t1);
7182 }
7183 #endif /* defined(TARGET_PPC64) */
7184
7185 static void gen_tbegin(DisasContext *ctx)
7186 {
7187 if (unlikely(!ctx->tm_enabled)) {
7188 gen_exception_err(ctx, POWERPC_EXCP_FU, FSCR_IC_TM);
7189 return;
7190 }
7191 gen_helper_tbegin(cpu_env);
7192 }
7193
7194 #define GEN_TM_NOOP(name) \
7195 static inline void gen_##name(DisasContext *ctx) \
7196 { \
7197 if (unlikely(!ctx->tm_enabled)) { \
7198 gen_exception_err(ctx, POWERPC_EXCP_FU, FSCR_IC_TM); \
7199 return; \
7200 } \
7201 /* \
7202 * Because tbegin always fails in QEMU, these user \
7203 * space instructions all have a simple implementation: \
7204 * \
7205 * CR[0] = 0b0 || MSR[TS] || 0b0 \
7206 * = 0b0 || 0b00 || 0b0 \
7207 */ \
7208 tcg_gen_movi_i32(cpu_crf[0], 0); \
7209 }
7210
7211 GEN_TM_NOOP(tend);
7212 GEN_TM_NOOP(tabort);
7213 GEN_TM_NOOP(tabortwc);
7214 GEN_TM_NOOP(tabortwci);
7215 GEN_TM_NOOP(tabortdc);
7216 GEN_TM_NOOP(tabortdci);
7217 GEN_TM_NOOP(tsr);
7218
7219 static inline void gen_cp_abort(DisasContext *ctx)
7220 {
7221 /* Do Nothing */
7222 }
7223
7224 #define GEN_CP_PASTE_NOOP(name) \
7225 static inline void gen_##name(DisasContext *ctx) \
7226 { \
7227 /* \
7228 * Generate invalid exception until we have an \
7229 * implementation of the copy paste facility \
7230 */ \
7231 gen_invalid(ctx); \
7232 }
7233
7234 GEN_CP_PASTE_NOOP(copy)
7235 GEN_CP_PASTE_NOOP(paste)
7236
7237 static void gen_tcheck(DisasContext *ctx)
7238 {
7239 if (unlikely(!ctx->tm_enabled)) {
7240 gen_exception_err(ctx, POWERPC_EXCP_FU, FSCR_IC_TM);
7241 return;
7242 }
7243 /*
7244 * Because tbegin always fails, the tcheck implementation is
7245 * simple:
7246 *
7247 * CR[CRF] = TDOOMED || MSR[TS] || 0b0
7248 * = 0b1 || 0b00 || 0b0
7249 */
7250 tcg_gen_movi_i32(cpu_crf[crfD(ctx->opcode)], 0x8);
7251 }
7252
7253 #if defined(CONFIG_USER_ONLY)
7254 #define GEN_TM_PRIV_NOOP(name) \
7255 static inline void gen_##name(DisasContext *ctx) \
7256 { \
7257 gen_priv_exception(ctx, POWERPC_EXCP_PRIV_OPC); \
7258 }
7259
7260 #else
7261
7262 #define GEN_TM_PRIV_NOOP(name) \
7263 static inline void gen_##name(DisasContext *ctx) \
7264 { \
7265 CHK_SV; \
7266 if (unlikely(!ctx->tm_enabled)) { \
7267 gen_exception_err(ctx, POWERPC_EXCP_FU, FSCR_IC_TM); \
7268 return; \
7269 } \
7270 /* \
7271 * Because tbegin always fails, the implementation is \
7272 * simple: \
7273 * \
7274 * CR[0] = 0b0 || MSR[TS] || 0b0 \
7275 * = 0b0 || 0b00 | 0b0 \
7276 */ \
7277 tcg_gen_movi_i32(cpu_crf[0], 0); \
7278 }
7279
7280 #endif
7281
7282 GEN_TM_PRIV_NOOP(treclaim);
7283 GEN_TM_PRIV_NOOP(trechkpt);
7284
7285 static inline void get_fpr(TCGv_i64 dst, int regno)
7286 {
7287 tcg_gen_ld_i64(dst, cpu_env, fpr_offset(regno));
7288 }
7289
7290 static inline void set_fpr(int regno, TCGv_i64 src)
7291 {
7292 tcg_gen_st_i64(src, cpu_env, fpr_offset(regno));
7293 }
7294
7295 static inline void get_avr64(TCGv_i64 dst, int regno, bool high)
7296 {
7297 tcg_gen_ld_i64(dst, cpu_env, avr64_offset(regno, high));
7298 }
7299
7300 static inline void set_avr64(int regno, TCGv_i64 src, bool high)
7301 {
7302 tcg_gen_st_i64(src, cpu_env, avr64_offset(regno, high));
7303 }
7304
7305 /*
7306 * Helpers for decodetree used by !function for decoding arguments.
7307 */
7308 static int times_2(DisasContext *ctx, int x)
7309 {
7310 return x * 2;
7311 }
7312
7313 static int times_4(DisasContext *ctx, int x)
7314 {
7315 return x * 4;
7316 }
7317
7318 static int times_16(DisasContext *ctx, int x)
7319 {
7320 return x * 16;
7321 }
7322
7323 /*
7324 * Helpers for trans_* functions to check for specific insns flags.
7325 * Use token pasting to ensure that we use the proper flag with the
7326 * proper variable.
7327 */
7328 #define REQUIRE_INSNS_FLAGS(CTX, NAME) \
7329 do { \
7330 if (((CTX)->insns_flags & PPC_##NAME) == 0) { \
7331 return false; \
7332 } \
7333 } while (0)
7334
7335 #define REQUIRE_INSNS_FLAGS2(CTX, NAME) \
7336 do { \
7337 if (((CTX)->insns_flags2 & PPC2_##NAME) == 0) { \
7338 return false; \
7339 } \
7340 } while (0)
7341
7342 /* Then special-case the check for 64-bit so that we elide code for ppc32. */
7343 #if TARGET_LONG_BITS == 32
7344 # define REQUIRE_64BIT(CTX) return false
7345 #else
7346 # define REQUIRE_64BIT(CTX) REQUIRE_INSNS_FLAGS(CTX, 64B)
7347 #endif
7348
7349 #define REQUIRE_VECTOR(CTX) \
7350 do { \
7351 if (unlikely(!(CTX)->altivec_enabled)) { \
7352 gen_exception((CTX), POWERPC_EXCP_VPU); \
7353 return true; \
7354 } \
7355 } while (0)
7356
7357 #define REQUIRE_FPU(ctx) \
7358 do { \
7359 if (unlikely(!(ctx)->fpu_enabled)) { \
7360 gen_exception((ctx), POWERPC_EXCP_FPU); \
7361 return true; \
7362 } \
7363 } while (0)
7364
7365 /*
7366 * Helpers for implementing sets of trans_* functions.
7367 * Defer the implementation of NAME to FUNC, with optional extra arguments.
7368 */
7369 #define TRANS(NAME, FUNC, ...) \
7370 static bool trans_##NAME(DisasContext *ctx, arg_##NAME *a) \
7371 { return FUNC(ctx, a, __VA_ARGS__); }
7372
7373 #define TRANS64(NAME, FUNC, ...) \
7374 static bool trans_##NAME(DisasContext *ctx, arg_##NAME *a) \
7375 { REQUIRE_64BIT(ctx); return FUNC(ctx, a, __VA_ARGS__); }
7376
7377 /* TODO: More TRANS* helpers for extra insn_flags checks. */
7378
7379
7380 #include "decode-insn32.c.inc"
7381 #include "decode-insn64.c.inc"
7382 #include "power8-pmu-regs.c.inc"
7383
7384 /*
7385 * Incorporate CIA into the constant when R=1.
7386 * Validate that when R=1, RA=0.
7387 */
7388 static bool resolve_PLS_D(DisasContext *ctx, arg_D *d, arg_PLS_D *a)
7389 {
7390 d->rt = a->rt;
7391 d->ra = a->ra;
7392 d->si = a->si;
7393 if (a->r) {
7394 if (unlikely(a->ra != 0)) {
7395 gen_invalid(ctx);
7396 return false;
7397 }
7398 d->si += ctx->cia;
7399 }
7400 return true;
7401 }
7402
7403 #include "translate/fixedpoint-impl.c.inc"
7404
7405 #include "translate/fp-impl.c.inc"
7406
7407 #include "translate/vmx-impl.c.inc"
7408
7409 #include "translate/vsx-impl.c.inc"
7410
7411 #include "translate/dfp-impl.c.inc"
7412
7413 #include "translate/spe-impl.c.inc"
7414
7415 /* Handles lfdp, lxsd, lxssp */
7416 static void gen_dform39(DisasContext *ctx)
7417 {
7418 switch (ctx->opcode & 0x3) {
7419 case 0: /* lfdp */
7420 if (ctx->insns_flags2 & PPC2_ISA205) {
7421 return gen_lfdp(ctx);
7422 }
7423 break;
7424 case 2: /* lxsd */
7425 if (ctx->insns_flags2 & PPC2_ISA300) {
7426 return gen_lxsd(ctx);
7427 }
7428 break;
7429 case 3: /* lxssp */
7430 if (ctx->insns_flags2 & PPC2_ISA300) {
7431 return gen_lxssp(ctx);
7432 }
7433 break;
7434 }
7435 return gen_invalid(ctx);
7436 }
7437
7438 /* handles stfdp, lxv, stxsd, stxssp lxvx */
7439 static void gen_dform3D(DisasContext *ctx)
7440 {
7441 if ((ctx->opcode & 3) == 1) { /* DQ-FORM */
7442 switch (ctx->opcode & 0x7) {
7443 case 1: /* lxv */
7444 if (ctx->insns_flags2 & PPC2_ISA300) {
7445 return gen_lxv(ctx);
7446 }
7447 break;
7448 case 5: /* stxv */
7449 if (ctx->insns_flags2 & PPC2_ISA300) {
7450 return gen_stxv(ctx);
7451 }
7452 break;
7453 }
7454 } else { /* DS-FORM */
7455 switch (ctx->opcode & 0x3) {
7456 case 0: /* stfdp */
7457 if (ctx->insns_flags2 & PPC2_ISA205) {
7458 return gen_stfdp(ctx);
7459 }
7460 break;
7461 case 2: /* stxsd */
7462 if (ctx->insns_flags2 & PPC2_ISA300) {
7463 return gen_stxsd(ctx);
7464 }
7465 break;
7466 case 3: /* stxssp */
7467 if (ctx->insns_flags2 & PPC2_ISA300) {
7468 return gen_stxssp(ctx);
7469 }
7470 break;
7471 }
7472 }
7473 return gen_invalid(ctx);
7474 }
7475
7476 #if defined(TARGET_PPC64)
7477 /* brd */
7478 static void gen_brd(DisasContext *ctx)
7479 {
7480 tcg_gen_bswap64_i64(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);
7481 }
7482
7483 /* brw */
7484 static void gen_brw(DisasContext *ctx)
7485 {
7486 tcg_gen_bswap64_i64(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);
7487 tcg_gen_rotli_i64(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], 32);
7488
7489 }
7490
7491 /* brh */
7492 static void gen_brh(DisasContext *ctx)
7493 {
7494 TCGv_i64 mask = tcg_constant_i64(0x00ff00ff00ff00ffull);
7495 TCGv_i64 t1 = tcg_temp_new_i64();
7496 TCGv_i64 t2 = tcg_temp_new_i64();
7497
7498 tcg_gen_shri_i64(t1, cpu_gpr[rS(ctx->opcode)], 8);
7499 tcg_gen_and_i64(t2, t1, mask);
7500 tcg_gen_and_i64(t1, cpu_gpr[rS(ctx->opcode)], mask);
7501 tcg_gen_shli_i64(t1, t1, 8);
7502 tcg_gen_or_i64(cpu_gpr[rA(ctx->opcode)], t1, t2);
7503
7504 tcg_temp_free_i64(t1);
7505 tcg_temp_free_i64(t2);
7506 }
7507 #endif
7508
7509 static opcode_t opcodes[] = {
7510 #if defined(TARGET_PPC64)
7511 GEN_HANDLER_E(brd, 0x1F, 0x1B, 0x05, 0x0000F801, PPC_NONE, PPC2_ISA310),
7512 GEN_HANDLER_E(brw, 0x1F, 0x1B, 0x04, 0x0000F801, PPC_NONE, PPC2_ISA310),
7513 GEN_HANDLER_E(brh, 0x1F, 0x1B, 0x06, 0x0000F801, PPC_NONE, PPC2_ISA310),
7514 #endif
7515 GEN_HANDLER(invalid, 0x00, 0x00, 0x00, 0xFFFFFFFF, PPC_NONE),
7516 #if defined(TARGET_PPC64)
7517 GEN_HANDLER_E(cmpeqb, 0x1F, 0x00, 0x07, 0x00600000, PPC_NONE, PPC2_ISA300),
7518 #endif
7519 GEN_HANDLER_E(cmpb, 0x1F, 0x1C, 0x0F, 0x00000001, PPC_NONE, PPC2_ISA205),
7520 GEN_HANDLER_E(cmprb, 0x1F, 0x00, 0x06, 0x00400001, PPC_NONE, PPC2_ISA300),
7521 GEN_HANDLER(isel, 0x1F, 0x0F, 0xFF, 0x00000001, PPC_ISEL),
7522 GEN_HANDLER(addic, 0x0C, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
7523 GEN_HANDLER2(addic_, "addic.", 0x0D, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
7524 GEN_HANDLER(mulhw, 0x1F, 0x0B, 0x02, 0x00000400, PPC_INTEGER),
7525 GEN_HANDLER(mulhwu, 0x1F, 0x0B, 0x00, 0x00000400, PPC_INTEGER),
7526 GEN_HANDLER(mullw, 0x1F, 0x0B, 0x07, 0x00000000, PPC_INTEGER),
7527 GEN_HANDLER(mullwo, 0x1F, 0x0B, 0x17, 0x00000000, PPC_INTEGER),
7528 GEN_HANDLER(mulli, 0x07, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
7529 #if defined(TARGET_PPC64)
7530 GEN_HANDLER(mulld, 0x1F, 0x09, 0x07, 0x00000000, PPC_64B),
7531 #endif
7532 GEN_HANDLER(neg, 0x1F, 0x08, 0x03, 0x0000F800, PPC_INTEGER),
7533 GEN_HANDLER(nego, 0x1F, 0x08, 0x13, 0x0000F800, PPC_INTEGER),
7534 GEN_HANDLER(subfic, 0x08, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
7535 GEN_HANDLER2(andi_, "andi.", 0x1C, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
7536 GEN_HANDLER2(andis_, "andis.", 0x1D, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
7537 GEN_HANDLER(cntlzw, 0x1F, 0x1A, 0x00, 0x00000000, PPC_INTEGER),
7538 GEN_HANDLER_E(cnttzw, 0x1F, 0x1A, 0x10, 0x00000000, PPC_NONE, PPC2_ISA300),
7539 GEN_HANDLER_E(copy, 0x1F, 0x06, 0x18, 0x03C00001, PPC_NONE, PPC2_ISA300),
7540 GEN_HANDLER_E(cp_abort, 0x1F, 0x06, 0x1A, 0x03FFF801, PPC_NONE, PPC2_ISA300),
7541 GEN_HANDLER_E(paste, 0x1F, 0x06, 0x1C, 0x03C00000, PPC_NONE, PPC2_ISA300),
7542 GEN_HANDLER(or, 0x1F, 0x1C, 0x0D, 0x00000000, PPC_INTEGER),
7543 GEN_HANDLER(xor, 0x1F, 0x1C, 0x09, 0x00000000, PPC_INTEGER),
7544 GEN_HANDLER(ori, 0x18, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
7545 GEN_HANDLER(oris, 0x19, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
7546 GEN_HANDLER(xori, 0x1A, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
7547 GEN_HANDLER(xoris, 0x1B, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
7548 GEN_HANDLER(popcntb, 0x1F, 0x1A, 0x03, 0x0000F801, PPC_POPCNTB),
7549 GEN_HANDLER(popcntw, 0x1F, 0x1A, 0x0b, 0x0000F801, PPC_POPCNTWD),
7550 GEN_HANDLER_E(prtyw, 0x1F, 0x1A, 0x04, 0x0000F801, PPC_NONE, PPC2_ISA205),
7551 #if defined(TARGET_PPC64)
7552 GEN_HANDLER(popcntd, 0x1F, 0x1A, 0x0F, 0x0000F801, PPC_POPCNTWD),
7553 GEN_HANDLER(cntlzd, 0x1F, 0x1A, 0x01, 0x00000000, PPC_64B),
7554 GEN_HANDLER_E(cnttzd, 0x1F, 0x1A, 0x11, 0x00000000, PPC_NONE, PPC2_ISA300),
7555 GEN_HANDLER_E(darn, 0x1F, 0x13, 0x17, 0x001CF801, PPC_NONE, PPC2_ISA300),
7556 GEN_HANDLER_E(prtyd, 0x1F, 0x1A, 0x05, 0x0000F801, PPC_NONE, PPC2_ISA205),
7557 GEN_HANDLER_E(bpermd, 0x1F, 0x1C, 0x07, 0x00000001, PPC_NONE, PPC2_PERM_ISA206),
7558 #endif
7559 GEN_HANDLER(rlwimi, 0x14, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
7560 GEN_HANDLER(rlwinm, 0x15, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
7561 GEN_HANDLER(rlwnm, 0x17, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
7562 GEN_HANDLER(slw, 0x1F, 0x18, 0x00, 0x00000000, PPC_INTEGER),
7563 GEN_HANDLER(sraw, 0x1F, 0x18, 0x18, 0x00000000, PPC_INTEGER),
7564 GEN_HANDLER(srawi, 0x1F, 0x18, 0x19, 0x00000000, PPC_INTEGER),
7565 GEN_HANDLER(srw, 0x1F, 0x18, 0x10, 0x00000000, PPC_INTEGER),
7566 #if defined(TARGET_PPC64)
7567 GEN_HANDLER(sld, 0x1F, 0x1B, 0x00, 0x00000000, PPC_64B),
7568 GEN_HANDLER(srad, 0x1F, 0x1A, 0x18, 0x00000000, PPC_64B),
7569 GEN_HANDLER2(sradi0, "sradi", 0x1F, 0x1A, 0x19, 0x00000000, PPC_64B),
7570 GEN_HANDLER2(sradi1, "sradi", 0x1F, 0x1B, 0x19, 0x00000000, PPC_64B),
7571 GEN_HANDLER(srd, 0x1F, 0x1B, 0x10, 0x00000000, PPC_64B),
7572 GEN_HANDLER2_E(extswsli0, "extswsli", 0x1F, 0x1A, 0x1B, 0x00000000,
7573 PPC_NONE, PPC2_ISA300),
7574 GEN_HANDLER2_E(extswsli1, "extswsli", 0x1F, 0x1B, 0x1B, 0x00000000,
7575 PPC_NONE, PPC2_ISA300),
7576 #endif
7577 /* handles lfdp, lxsd, lxssp */
7578 GEN_HANDLER_E(dform39, 0x39, 0xFF, 0xFF, 0x00000000, PPC_NONE, PPC2_ISA205),
7579 /* handles stfdp, lxv, stxsd, stxssp, stxv */
7580 GEN_HANDLER_E(dform3D, 0x3D, 0xFF, 0xFF, 0x00000000, PPC_NONE, PPC2_ISA205),
7581 GEN_HANDLER(lmw, 0x2E, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
7582 GEN_HANDLER(stmw, 0x2F, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
7583 GEN_HANDLER(lswi, 0x1F, 0x15, 0x12, 0x00000001, PPC_STRING),
7584 GEN_HANDLER(lswx, 0x1F, 0x15, 0x10, 0x00000001, PPC_STRING),
7585 GEN_HANDLER(stswi, 0x1F, 0x15, 0x16, 0x00000001, PPC_STRING),
7586 GEN_HANDLER(stswx, 0x1F, 0x15, 0x14, 0x00000001, PPC_STRING),
7587 GEN_HANDLER(eieio, 0x1F, 0x16, 0x1A, 0x01FFF801, PPC_MEM_EIEIO),
7588 GEN_HANDLER(isync, 0x13, 0x16, 0x04, 0x03FFF801, PPC_MEM),
7589 GEN_HANDLER_E(lbarx, 0x1F, 0x14, 0x01, 0, PPC_NONE, PPC2_ATOMIC_ISA206),
7590 GEN_HANDLER_E(lharx, 0x1F, 0x14, 0x03, 0, PPC_NONE, PPC2_ATOMIC_ISA206),
7591 GEN_HANDLER(lwarx, 0x1F, 0x14, 0x00, 0x00000000, PPC_RES),
7592 GEN_HANDLER_E(lwat, 0x1F, 0x06, 0x12, 0x00000001, PPC_NONE, PPC2_ISA300),
7593 GEN_HANDLER_E(stwat, 0x1F, 0x06, 0x16, 0x00000001, PPC_NONE, PPC2_ISA300),
7594 GEN_HANDLER_E(stbcx_, 0x1F, 0x16, 0x15, 0, PPC_NONE, PPC2_ATOMIC_ISA206),
7595 GEN_HANDLER_E(sthcx_, 0x1F, 0x16, 0x16, 0, PPC_NONE, PPC2_ATOMIC_ISA206),
7596 GEN_HANDLER2(stwcx_, "stwcx.", 0x1F, 0x16, 0x04, 0x00000000, PPC_RES),
7597 #if defined(TARGET_PPC64)
7598 GEN_HANDLER_E(ldat, 0x1F, 0x06, 0x13, 0x00000001, PPC_NONE, PPC2_ISA300),
7599 GEN_HANDLER_E(stdat, 0x1F, 0x06, 0x17, 0x00000001, PPC_NONE, PPC2_ISA300),
7600 GEN_HANDLER(ldarx, 0x1F, 0x14, 0x02, 0x00000000, PPC_64B),
7601 GEN_HANDLER_E(lqarx, 0x1F, 0x14, 0x08, 0, PPC_NONE, PPC2_LSQ_ISA207),
7602 GEN_HANDLER2(stdcx_, "stdcx.", 0x1F, 0x16, 0x06, 0x00000000, PPC_64B),
7603 GEN_HANDLER_E(stqcx_, 0x1F, 0x16, 0x05, 0, PPC_NONE, PPC2_LSQ_ISA207),
7604 #endif
7605 GEN_HANDLER(sync, 0x1F, 0x16, 0x12, 0x039FF801, PPC_MEM_SYNC),
7606 GEN_HANDLER(wait, 0x1F, 0x1E, 0x01, 0x03FFF801, PPC_WAIT),
7607 GEN_HANDLER_E(wait, 0x1F, 0x1E, 0x00, 0x039FF801, PPC_NONE, PPC2_ISA300),
7608 GEN_HANDLER(b, 0x12, 0xFF, 0xFF, 0x00000000, PPC_FLOW),
7609 GEN_HANDLER(bc, 0x10, 0xFF, 0xFF, 0x00000000, PPC_FLOW),
7610 GEN_HANDLER(bcctr, 0x13, 0x10, 0x10, 0x00000000, PPC_FLOW),
7611 GEN_HANDLER(bclr, 0x13, 0x10, 0x00, 0x00000000, PPC_FLOW),
7612 GEN_HANDLER_E(bctar, 0x13, 0x10, 0x11, 0x0000E000, PPC_NONE, PPC2_BCTAR_ISA207),
7613 GEN_HANDLER(mcrf, 0x13, 0x00, 0xFF, 0x00000001, PPC_INTEGER),
7614 GEN_HANDLER(rfi, 0x13, 0x12, 0x01, 0x03FF8001, PPC_FLOW),
7615 #if defined(TARGET_PPC64)
7616 GEN_HANDLER(rfid, 0x13, 0x12, 0x00, 0x03FF8001, PPC_64B),
7617 #if !defined(CONFIG_USER_ONLY)
7618 /* Top bit of opc2 corresponds with low bit of LEV, so use two handlers */
7619 GEN_HANDLER_E(scv, 0x11, 0x10, 0xFF, 0x03FFF01E, PPC_NONE, PPC2_ISA300),
7620 GEN_HANDLER_E(scv, 0x11, 0x00, 0xFF, 0x03FFF01E, PPC_NONE, PPC2_ISA300),
7621 GEN_HANDLER_E(rfscv, 0x13, 0x12, 0x02, 0x03FF8001, PPC_NONE, PPC2_ISA300),
7622 #endif
7623 GEN_HANDLER_E(stop, 0x13, 0x12, 0x0b, 0x03FFF801, PPC_NONE, PPC2_ISA300),
7624 GEN_HANDLER_E(doze, 0x13, 0x12, 0x0c, 0x03FFF801, PPC_NONE, PPC2_PM_ISA206),
7625 GEN_HANDLER_E(nap, 0x13, 0x12, 0x0d, 0x03FFF801, PPC_NONE, PPC2_PM_ISA206),
7626 GEN_HANDLER_E(sleep, 0x13, 0x12, 0x0e, 0x03FFF801, PPC_NONE, PPC2_PM_ISA206),
7627 GEN_HANDLER_E(rvwinkle, 0x13, 0x12, 0x0f, 0x03FFF801, PPC_NONE, PPC2_PM_ISA206),
7628 GEN_HANDLER(hrfid, 0x13, 0x12, 0x08, 0x03FF8001, PPC_64H),
7629 #endif
7630 /* Top bit of opc2 corresponds with low bit of LEV, so use two handlers */
7631 GEN_HANDLER(sc, 0x11, 0x11, 0xFF, 0x03FFF01D, PPC_FLOW),
7632 GEN_HANDLER(sc, 0x11, 0x01, 0xFF, 0x03FFF01D, PPC_FLOW),
7633 GEN_HANDLER(tw, 0x1F, 0x04, 0x00, 0x00000001, PPC_FLOW),
7634 GEN_HANDLER(twi, 0x03, 0xFF, 0xFF, 0x00000000, PPC_FLOW),
7635 #if defined(TARGET_PPC64)
7636 GEN_HANDLER(td, 0x1F, 0x04, 0x02, 0x00000001, PPC_64B),
7637 GEN_HANDLER(tdi, 0x02, 0xFF, 0xFF, 0x00000000, PPC_64B),
7638 #endif
7639 GEN_HANDLER(mcrxr, 0x1F, 0x00, 0x10, 0x007FF801, PPC_MISC),
7640 GEN_HANDLER(mfcr, 0x1F, 0x13, 0x00, 0x00000801, PPC_MISC),
7641 GEN_HANDLER(mfmsr, 0x1F, 0x13, 0x02, 0x001FF801, PPC_MISC),
7642 GEN_HANDLER(mfspr, 0x1F, 0x13, 0x0A, 0x00000001, PPC_MISC),
7643 GEN_HANDLER(mftb, 0x1F, 0x13, 0x0B, 0x00000001, PPC_MFTB),
7644 GEN_HANDLER(mtcrf, 0x1F, 0x10, 0x04, 0x00000801, PPC_MISC),
7645 #if defined(TARGET_PPC64)
7646 GEN_HANDLER(mtmsrd, 0x1F, 0x12, 0x05, 0x001EF801, PPC_64B),
7647 GEN_HANDLER_E(setb, 0x1F, 0x00, 0x04, 0x0003F801, PPC_NONE, PPC2_ISA300),
7648 GEN_HANDLER_E(mcrxrx, 0x1F, 0x00, 0x12, 0x007FF801, PPC_NONE, PPC2_ISA300),
7649 #endif
7650 GEN_HANDLER(mtmsr, 0x1F, 0x12, 0x04, 0x001EF801, PPC_MISC),
7651 GEN_HANDLER(mtspr, 0x1F, 0x13, 0x0E, 0x00000000, PPC_MISC),
7652 GEN_HANDLER(dcbf, 0x1F, 0x16, 0x02, 0x03C00001, PPC_CACHE),
7653 GEN_HANDLER_E(dcbfep, 0x1F, 0x1F, 0x03, 0x03C00001, PPC_NONE, PPC2_BOOKE206),
7654 GEN_HANDLER(dcbi, 0x1F, 0x16, 0x0E, 0x03E00001, PPC_CACHE),
7655 GEN_HANDLER(dcbst, 0x1F, 0x16, 0x01, 0x03E00001, PPC_CACHE),
7656 GEN_HANDLER_E(dcbstep, 0x1F, 0x1F, 0x01, 0x03E00001, PPC_NONE, PPC2_BOOKE206),
7657 GEN_HANDLER(dcbt, 0x1F, 0x16, 0x08, 0x00000001, PPC_CACHE),
7658 GEN_HANDLER_E(dcbtep, 0x1F, 0x1F, 0x09, 0x00000001, PPC_NONE, PPC2_BOOKE206),
7659 GEN_HANDLER(dcbtst, 0x1F, 0x16, 0x07, 0x00000001, PPC_CACHE),
7660 GEN_HANDLER_E(dcbtstep, 0x1F, 0x1F, 0x07, 0x00000001, PPC_NONE, PPC2_BOOKE206),
7661 GEN_HANDLER_E(dcbtls, 0x1F, 0x06, 0x05, 0x02000001, PPC_BOOKE, PPC2_BOOKE206),
7662 GEN_HANDLER(dcbz, 0x1F, 0x16, 0x1F, 0x03C00001, PPC_CACHE_DCBZ),
7663 GEN_HANDLER_E(dcbzep, 0x1F, 0x1F, 0x1F, 0x03C00001, PPC_NONE, PPC2_BOOKE206),
7664 GEN_HANDLER(dst, 0x1F, 0x16, 0x0A, 0x01800001, PPC_ALTIVEC),
7665 GEN_HANDLER(dstst, 0x1F, 0x16, 0x0B, 0x01800001, PPC_ALTIVEC),
7666 GEN_HANDLER(dss, 0x1F, 0x16, 0x19, 0x019FF801, PPC_ALTIVEC),
7667 GEN_HANDLER(icbi, 0x1F, 0x16, 0x1E, 0x03E00001, PPC_CACHE_ICBI),
7668 GEN_HANDLER_E(icbiep, 0x1F, 0x1F, 0x1E, 0x03E00001, PPC_NONE, PPC2_BOOKE206),
7669 GEN_HANDLER(dcba, 0x1F, 0x16, 0x17, 0x03E00001, PPC_CACHE_DCBA),
7670 GEN_HANDLER(mfsr, 0x1F, 0x13, 0x12, 0x0010F801, PPC_SEGMENT),
7671 GEN_HANDLER(mfsrin, 0x1F, 0x13, 0x14, 0x001F0001, PPC_SEGMENT),
7672 GEN_HANDLER(mtsr, 0x1F, 0x12, 0x06, 0x0010F801, PPC_SEGMENT),
7673 GEN_HANDLER(mtsrin, 0x1F, 0x12, 0x07, 0x001F0001, PPC_SEGMENT),
7674 #if defined(TARGET_PPC64)
7675 GEN_HANDLER2(mfsr_64b, "mfsr", 0x1F, 0x13, 0x12, 0x0010F801, PPC_SEGMENT_64B),
7676 GEN_HANDLER2(mfsrin_64b, "mfsrin", 0x1F, 0x13, 0x14, 0x001F0001,
7677 PPC_SEGMENT_64B),
7678 GEN_HANDLER2(mtsr_64b, "mtsr", 0x1F, 0x12, 0x06, 0x0010F801, PPC_SEGMENT_64B),
7679 GEN_HANDLER2(mtsrin_64b, "mtsrin", 0x1F, 0x12, 0x07, 0x001F0001,
7680 PPC_SEGMENT_64B),
7681 GEN_HANDLER2(slbmte, "slbmte", 0x1F, 0x12, 0x0C, 0x001F0001, PPC_SEGMENT_64B),
7682 GEN_HANDLER2(slbmfee, "slbmfee", 0x1F, 0x13, 0x1C, 0x001F0001, PPC_SEGMENT_64B),
7683 GEN_HANDLER2(slbmfev, "slbmfev", 0x1F, 0x13, 0x1A, 0x001F0001, PPC_SEGMENT_64B),
7684 GEN_HANDLER2(slbfee_, "slbfee.", 0x1F, 0x13, 0x1E, 0x001F0000, PPC_SEGMENT_64B),
7685 #endif
7686 GEN_HANDLER(tlbia, 0x1F, 0x12, 0x0B, 0x03FFFC01, PPC_MEM_TLBIA),
7687 /*
7688 * XXX Those instructions will need to be handled differently for
7689 * different ISA versions
7690 */
7691 GEN_HANDLER(tlbiel, 0x1F, 0x12, 0x08, 0x001F0001, PPC_MEM_TLBIE),
7692 GEN_HANDLER(tlbie, 0x1F, 0x12, 0x09, 0x001F0001, PPC_MEM_TLBIE),
7693 GEN_HANDLER_E(tlbiel, 0x1F, 0x12, 0x08, 0x00100001, PPC_NONE, PPC2_ISA300),
7694 GEN_HANDLER_E(tlbie, 0x1F, 0x12, 0x09, 0x00100001, PPC_NONE, PPC2_ISA300),
7695 GEN_HANDLER(tlbsync, 0x1F, 0x16, 0x11, 0x03FFF801, PPC_MEM_TLBSYNC),
7696 #if defined(TARGET_PPC64)
7697 GEN_HANDLER(slbia, 0x1F, 0x12, 0x0F, 0x031FFC01, PPC_SLBI),
7698 GEN_HANDLER(slbie, 0x1F, 0x12, 0x0D, 0x03FF0001, PPC_SLBI),
7699 GEN_HANDLER_E(slbieg, 0x1F, 0x12, 0x0E, 0x001F0001, PPC_NONE, PPC2_ISA300),
7700 GEN_HANDLER_E(slbsync, 0x1F, 0x12, 0x0A, 0x03FFF801, PPC_NONE, PPC2_ISA300),
7701 #endif
7702 GEN_HANDLER(eciwx, 0x1F, 0x16, 0x0D, 0x00000001, PPC_EXTERN),
7703 GEN_HANDLER(ecowx, 0x1F, 0x16, 0x09, 0x00000001, PPC_EXTERN),
7704 GEN_HANDLER(abs, 0x1F, 0x08, 0x0B, 0x0000F800, PPC_POWER_BR),
7705 GEN_HANDLER(abso, 0x1F, 0x08, 0x1B, 0x0000F800, PPC_POWER_BR),
7706 GEN_HANDLER(clcs, 0x1F, 0x10, 0x13, 0x0000F800, PPC_POWER_BR),
7707 GEN_HANDLER(div, 0x1F, 0x0B, 0x0A, 0x00000000, PPC_POWER_BR),
7708 GEN_HANDLER(divo, 0x1F, 0x0B, 0x1A, 0x00000000, PPC_POWER_BR),
7709 GEN_HANDLER(divs, 0x1F, 0x0B, 0x0B, 0x00000000, PPC_POWER_BR),
7710 GEN_HANDLER(divso, 0x1F, 0x0B, 0x1B, 0x00000000, PPC_POWER_BR),
7711 GEN_HANDLER(doz, 0x1F, 0x08, 0x08, 0x00000000, PPC_POWER_BR),
7712 GEN_HANDLER(dozo, 0x1F, 0x08, 0x18, 0x00000000, PPC_POWER_BR),
7713 GEN_HANDLER(dozi, 0x09, 0xFF, 0xFF, 0x00000000, PPC_POWER_BR),
7714 GEN_HANDLER(lscbx, 0x1F, 0x15, 0x08, 0x00000000, PPC_POWER_BR),
7715 GEN_HANDLER(maskg, 0x1F, 0x1D, 0x00, 0x00000000, PPC_POWER_BR),
7716 GEN_HANDLER(maskir, 0x1F, 0x1D, 0x10, 0x00000000, PPC_POWER_BR),
7717 GEN_HANDLER(mul, 0x1F, 0x0B, 0x03, 0x00000000, PPC_POWER_BR),
7718 GEN_HANDLER(mulo, 0x1F, 0x0B, 0x13, 0x00000000, PPC_POWER_BR),
7719 GEN_HANDLER(nabs, 0x1F, 0x08, 0x0F, 0x00000000, PPC_POWER_BR),
7720 GEN_HANDLER(nabso, 0x1F, 0x08, 0x1F, 0x00000000, PPC_POWER_BR),
7721 GEN_HANDLER(rlmi, 0x16, 0xFF, 0xFF, 0x00000000, PPC_POWER_BR),
7722 GEN_HANDLER(rrib, 0x1F, 0x19, 0x10, 0x00000000, PPC_POWER_BR),
7723 GEN_HANDLER(sle, 0x1F, 0x19, 0x04, 0x00000000, PPC_POWER_BR),
7724 GEN_HANDLER(sleq, 0x1F, 0x19, 0x06, 0x00000000, PPC_POWER_BR),
7725 GEN_HANDLER(sliq, 0x1F, 0x18, 0x05, 0x00000000, PPC_POWER_BR),
7726 GEN_HANDLER(slliq, 0x1F, 0x18, 0x07, 0x00000000, PPC_POWER_BR),
7727 GEN_HANDLER(sllq, 0x1F, 0x18, 0x06, 0x00000000, PPC_POWER_BR),
7728 GEN_HANDLER(slq, 0x1F, 0x18, 0x04, 0x00000000, PPC_POWER_BR),
7729 GEN_HANDLER(sraiq, 0x1F, 0x18, 0x1D, 0x00000000, PPC_POWER_BR),
7730 GEN_HANDLER(sraq, 0x1F, 0x18, 0x1C, 0x00000000, PPC_POWER_BR),
7731 GEN_HANDLER(sre, 0x1F, 0x19, 0x14, 0x00000000, PPC_POWER_BR),
7732 GEN_HANDLER(srea, 0x1F, 0x19, 0x1C, 0x00000000, PPC_POWER_BR),
7733 GEN_HANDLER(sreq, 0x1F, 0x19, 0x16, 0x00000000, PPC_POWER_BR),
7734 GEN_HANDLER(sriq, 0x1F, 0x18, 0x15, 0x00000000, PPC_POWER_BR),
7735 GEN_HANDLER(srliq, 0x1F, 0x18, 0x17, 0x00000000, PPC_POWER_BR),
7736 GEN_HANDLER(srlq, 0x1F, 0x18, 0x16, 0x00000000, PPC_POWER_BR),
7737 GEN_HANDLER(srq, 0x1F, 0x18, 0x14, 0x00000000, PPC_POWER_BR),
7738 GEN_HANDLER(dsa, 0x1F, 0x14, 0x13, 0x03FFF801, PPC_602_SPEC),
7739 GEN_HANDLER(esa, 0x1F, 0x14, 0x12, 0x03FFF801, PPC_602_SPEC),
7740 GEN_HANDLER(mfrom, 0x1F, 0x09, 0x08, 0x03E0F801, PPC_602_SPEC),
7741 GEN_HANDLER2(tlbld_6xx, "tlbld", 0x1F, 0x12, 0x1E, 0x03FF0001, PPC_6xx_TLB),
7742 GEN_HANDLER2(tlbli_6xx, "tlbli", 0x1F, 0x12, 0x1F, 0x03FF0001, PPC_6xx_TLB),
7743 GEN_HANDLER2(tlbld_74xx, "tlbld", 0x1F, 0x12, 0x1E, 0x03FF0001, PPC_74xx_TLB),
7744 GEN_HANDLER2(tlbli_74xx, "tlbli", 0x1F, 0x12, 0x1F, 0x03FF0001, PPC_74xx_TLB),
7745 GEN_HANDLER(clf, 0x1F, 0x16, 0x03, 0x03E00000, PPC_POWER),
7746 GEN_HANDLER(cli, 0x1F, 0x16, 0x0F, 0x03E00000, PPC_POWER),
7747 GEN_HANDLER(dclst, 0x1F, 0x16, 0x13, 0x03E00000, PPC_POWER),
7748 GEN_HANDLER(mfsri, 0x1F, 0x13, 0x13, 0x00000001, PPC_POWER),
7749 GEN_HANDLER(rac, 0x1F, 0x12, 0x19, 0x00000001, PPC_POWER),
7750 GEN_HANDLER(rfsvc, 0x13, 0x12, 0x02, 0x03FFF0001, PPC_POWER),
7751 GEN_HANDLER(lfq, 0x38, 0xFF, 0xFF, 0x00000003, PPC_POWER2),
7752 GEN_HANDLER(lfqu, 0x39, 0xFF, 0xFF, 0x00000003, PPC_POWER2),
7753 GEN_HANDLER(lfqux, 0x1F, 0x17, 0x19, 0x00000001, PPC_POWER2),
7754 GEN_HANDLER(lfqx, 0x1F, 0x17, 0x18, 0x00000001, PPC_POWER2),
7755 GEN_HANDLER(stfq, 0x3C, 0xFF, 0xFF, 0x00000003, PPC_POWER2),
7756 GEN_HANDLER(stfqu, 0x3D, 0xFF, 0xFF, 0x00000003, PPC_POWER2),
7757 GEN_HANDLER(stfqux, 0x1F, 0x17, 0x1D, 0x00000001, PPC_POWER2),
7758 GEN_HANDLER(stfqx, 0x1F, 0x17, 0x1C, 0x00000001, PPC_POWER2),
7759 GEN_HANDLER(mfapidi, 0x1F, 0x13, 0x08, 0x0000F801, PPC_MFAPIDI),
7760 GEN_HANDLER(tlbiva, 0x1F, 0x12, 0x18, 0x03FFF801, PPC_TLBIVA),
7761 GEN_HANDLER(mfdcr, 0x1F, 0x03, 0x0A, 0x00000001, PPC_DCR),
7762 GEN_HANDLER(mtdcr, 0x1F, 0x03, 0x0E, 0x00000001, PPC_DCR),
7763 GEN_HANDLER(mfdcrx, 0x1F, 0x03, 0x08, 0x00000000, PPC_DCRX),
7764 GEN_HANDLER(mtdcrx, 0x1F, 0x03, 0x0C, 0x00000000, PPC_DCRX),
7765 GEN_HANDLER(mfdcrux, 0x1F, 0x03, 0x09, 0x00000000, PPC_DCRUX),
7766 GEN_HANDLER(mtdcrux, 0x1F, 0x03, 0x0D, 0x00000000, PPC_DCRUX),
7767 GEN_HANDLER(dccci, 0x1F, 0x06, 0x0E, 0x03E00001, PPC_4xx_COMMON),
7768 GEN_HANDLER(dcread, 0x1F, 0x06, 0x0F, 0x00000001, PPC_4xx_COMMON),
7769 GEN_HANDLER2(icbt_40x, "icbt", 0x1F, 0x06, 0x08, 0x03E00001, PPC_40x_ICBT),
7770 GEN_HANDLER(iccci, 0x1F, 0x06, 0x1E, 0x00000001, PPC_4xx_COMMON),
7771 GEN_HANDLER(icread, 0x1F, 0x06, 0x1F, 0x03E00001, PPC_4xx_COMMON),
7772 GEN_HANDLER2(rfci_40x, "rfci", 0x13, 0x13, 0x01, 0x03FF8001, PPC_40x_EXCP),
7773 GEN_HANDLER_E(rfci, 0x13, 0x13, 0x01, 0x03FF8001, PPC_BOOKE, PPC2_BOOKE206),
7774 GEN_HANDLER(rfdi, 0x13, 0x07, 0x01, 0x03FF8001, PPC_RFDI),
7775 GEN_HANDLER(rfmci, 0x13, 0x06, 0x01, 0x03FF8001, PPC_RFMCI),
7776 GEN_HANDLER2(tlbre_40x, "tlbre", 0x1F, 0x12, 0x1D, 0x00000001, PPC_40x_TLB),
7777 GEN_HANDLER2(tlbsx_40x, "tlbsx", 0x1F, 0x12, 0x1C, 0x00000000, PPC_40x_TLB),
7778 GEN_HANDLER2(tlbwe_40x, "tlbwe", 0x1F, 0x12, 0x1E, 0x00000001, PPC_40x_TLB),
7779 GEN_HANDLER2(tlbre_440, "tlbre", 0x1F, 0x12, 0x1D, 0x00000001, PPC_BOOKE),
7780 GEN_HANDLER2(tlbsx_440, "tlbsx", 0x1F, 0x12, 0x1C, 0x00000000, PPC_BOOKE),
7781 GEN_HANDLER2(tlbwe_440, "tlbwe", 0x1F, 0x12, 0x1E, 0x00000001, PPC_BOOKE),
7782 GEN_HANDLER2_E(tlbre_booke206, "tlbre", 0x1F, 0x12, 0x1D, 0x00000001,
7783 PPC_NONE, PPC2_BOOKE206),
7784 GEN_HANDLER2_E(tlbsx_booke206, "tlbsx", 0x1F, 0x12, 0x1C, 0x00000000,
7785 PPC_NONE, PPC2_BOOKE206),
7786 GEN_HANDLER2_E(tlbwe_booke206, "tlbwe", 0x1F, 0x12, 0x1E, 0x00000001,
7787 PPC_NONE, PPC2_BOOKE206),
7788 GEN_HANDLER2_E(tlbivax_booke206, "tlbivax", 0x1F, 0x12, 0x18, 0x00000001,
7789 PPC_NONE, PPC2_BOOKE206),
7790 GEN_HANDLER2_E(tlbilx_booke206, "tlbilx", 0x1F, 0x12, 0x00, 0x03800001,
7791 PPC_NONE, PPC2_BOOKE206),
7792 GEN_HANDLER2_E(msgsnd, "msgsnd", 0x1F, 0x0E, 0x06, 0x03ff0001,
7793 PPC_NONE, PPC2_PRCNTL),
7794 GEN_HANDLER2_E(msgclr, "msgclr", 0x1F, 0x0E, 0x07, 0x03ff0001,
7795 PPC_NONE, PPC2_PRCNTL),
7796 GEN_HANDLER2_E(msgsync, "msgsync", 0x1F, 0x16, 0x1B, 0x00000000,
7797 PPC_NONE, PPC2_PRCNTL),
7798 GEN_HANDLER(wrtee, 0x1F, 0x03, 0x04, 0x000FFC01, PPC_WRTEE),
7799 GEN_HANDLER(wrteei, 0x1F, 0x03, 0x05, 0x000E7C01, PPC_WRTEE),
7800 GEN_HANDLER(dlmzb, 0x1F, 0x0E, 0x02, 0x00000000, PPC_440_SPEC),
7801 GEN_HANDLER_E(mbar, 0x1F, 0x16, 0x1a, 0x001FF801,
7802 PPC_BOOKE, PPC2_BOOKE206),
7803 GEN_HANDLER(msync_4xx, 0x1F, 0x16, 0x12, 0x039FF801, PPC_BOOKE),
7804 GEN_HANDLER2_E(icbt_440, "icbt", 0x1F, 0x16, 0x00, 0x03E00001,
7805 PPC_BOOKE, PPC2_BOOKE206),
7806 GEN_HANDLER2(icbt_440, "icbt", 0x1F, 0x06, 0x08, 0x03E00001,
7807 PPC_440_SPEC),
7808 GEN_HANDLER(lvsl, 0x1f, 0x06, 0x00, 0x00000001, PPC_ALTIVEC),
7809 GEN_HANDLER(lvsr, 0x1f, 0x06, 0x01, 0x00000001, PPC_ALTIVEC),
7810 GEN_HANDLER(mfvscr, 0x04, 0x2, 0x18, 0x001ff800, PPC_ALTIVEC),
7811 GEN_HANDLER(mtvscr, 0x04, 0x2, 0x19, 0x03ff0000, PPC_ALTIVEC),
7812 GEN_HANDLER(vmladduhm, 0x04, 0x11, 0xFF, 0x00000000, PPC_ALTIVEC),
7813 #if defined(TARGET_PPC64)
7814 GEN_HANDLER_E(maddhd_maddhdu, 0x04, 0x18, 0xFF, 0x00000000, PPC_NONE,
7815 PPC2_ISA300),
7816 GEN_HANDLER_E(maddld, 0x04, 0x19, 0xFF, 0x00000000, PPC_NONE, PPC2_ISA300),
7817 GEN_HANDLER2_E(msgsndp, "msgsndp", 0x1F, 0x0E, 0x04, 0x03ff0001,
7818 PPC_NONE, PPC2_ISA207S),
7819 GEN_HANDLER2_E(msgclrp, "msgclrp", 0x1F, 0x0E, 0x05, 0x03ff0001,
7820 PPC_NONE, PPC2_ISA207S),
7821 #endif
7822
7823 #undef GEN_INT_ARITH_ADD
7824 #undef GEN_INT_ARITH_ADD_CONST
7825 #define GEN_INT_ARITH_ADD(name, opc3, add_ca, compute_ca, compute_ov) \
7826 GEN_HANDLER(name, 0x1F, 0x0A, opc3, 0x00000000, PPC_INTEGER),
7827 #define GEN_INT_ARITH_ADD_CONST(name, opc3, const_val, \
7828 add_ca, compute_ca, compute_ov) \
7829 GEN_HANDLER(name, 0x1F, 0x0A, opc3, 0x0000F800, PPC_INTEGER),
7830 GEN_INT_ARITH_ADD(add, 0x08, 0, 0, 0)
7831 GEN_INT_ARITH_ADD(addo, 0x18, 0, 0, 1)
7832 GEN_INT_ARITH_ADD(addc, 0x00, 0, 1, 0)
7833 GEN_INT_ARITH_ADD(addco, 0x10, 0, 1, 1)
7834 GEN_INT_ARITH_ADD(adde, 0x04, 1, 1, 0)
7835 GEN_INT_ARITH_ADD(addeo, 0x14, 1, 1, 1)
7836 GEN_INT_ARITH_ADD_CONST(addme, 0x07, -1LL, 1, 1, 0)
7837 GEN_INT_ARITH_ADD_CONST(addmeo, 0x17, -1LL, 1, 1, 1)
7838 GEN_HANDLER_E(addex, 0x1F, 0x0A, 0x05, 0x00000000, PPC_NONE, PPC2_ISA300),
7839 GEN_INT_ARITH_ADD_CONST(addze, 0x06, 0, 1, 1, 0)
7840 GEN_INT_ARITH_ADD_CONST(addzeo, 0x16, 0, 1, 1, 1)
7841
7842 #undef GEN_INT_ARITH_DIVW
7843 #define GEN_INT_ARITH_DIVW(name, opc3, sign, compute_ov) \
7844 GEN_HANDLER(name, 0x1F, 0x0B, opc3, 0x00000000, PPC_INTEGER)
7845 GEN_INT_ARITH_DIVW(divwu, 0x0E, 0, 0),
7846 GEN_INT_ARITH_DIVW(divwuo, 0x1E, 0, 1),
7847 GEN_INT_ARITH_DIVW(divw, 0x0F, 1, 0),
7848 GEN_INT_ARITH_DIVW(divwo, 0x1F, 1, 1),
7849 GEN_HANDLER_E(divwe, 0x1F, 0x0B, 0x0D, 0, PPC_NONE, PPC2_DIVE_ISA206),
7850 GEN_HANDLER_E(divweo, 0x1F, 0x0B, 0x1D, 0, PPC_NONE, PPC2_DIVE_ISA206),
7851 GEN_HANDLER_E(divweu, 0x1F, 0x0B, 0x0C, 0, PPC_NONE, PPC2_DIVE_ISA206),
7852 GEN_HANDLER_E(divweuo, 0x1F, 0x0B, 0x1C, 0, PPC_NONE, PPC2_DIVE_ISA206),
7853 GEN_HANDLER_E(modsw, 0x1F, 0x0B, 0x18, 0x00000001, PPC_NONE, PPC2_ISA300),
7854 GEN_HANDLER_E(moduw, 0x1F, 0x0B, 0x08, 0x00000001, PPC_NONE, PPC2_ISA300),
7855
7856 #if defined(TARGET_PPC64)
7857 #undef GEN_INT_ARITH_DIVD
7858 #define GEN_INT_ARITH_DIVD(name, opc3, sign, compute_ov) \
7859 GEN_HANDLER(name, 0x1F, 0x09, opc3, 0x00000000, PPC_64B)
7860 GEN_INT_ARITH_DIVD(divdu, 0x0E, 0, 0),
7861 GEN_INT_ARITH_DIVD(divduo, 0x1E, 0, 1),
7862 GEN_INT_ARITH_DIVD(divd, 0x0F, 1, 0),
7863 GEN_INT_ARITH_DIVD(divdo, 0x1F, 1, 1),
7864
7865 GEN_HANDLER_E(divdeu, 0x1F, 0x09, 0x0C, 0, PPC_NONE, PPC2_DIVE_ISA206),
7866 GEN_HANDLER_E(divdeuo, 0x1F, 0x09, 0x1C, 0, PPC_NONE, PPC2_DIVE_ISA206),
7867 GEN_HANDLER_E(divde, 0x1F, 0x09, 0x0D, 0, PPC_NONE, PPC2_DIVE_ISA206),
7868 GEN_HANDLER_E(divdeo, 0x1F, 0x09, 0x1D, 0, PPC_NONE, PPC2_DIVE_ISA206),
7869 GEN_HANDLER_E(modsd, 0x1F, 0x09, 0x18, 0x00000001, PPC_NONE, PPC2_ISA300),
7870 GEN_HANDLER_E(modud, 0x1F, 0x09, 0x08, 0x00000001, PPC_NONE, PPC2_ISA300),
7871
7872 #undef GEN_INT_ARITH_MUL_HELPER
7873 #define GEN_INT_ARITH_MUL_HELPER(name, opc3) \
7874 GEN_HANDLER(name, 0x1F, 0x09, opc3, 0x00000000, PPC_64B)
7875 GEN_INT_ARITH_MUL_HELPER(mulhdu, 0x00),
7876 GEN_INT_ARITH_MUL_HELPER(mulhd, 0x02),
7877 GEN_INT_ARITH_MUL_HELPER(mulldo, 0x17),
7878 #endif
7879
7880 #undef GEN_INT_ARITH_SUBF
7881 #undef GEN_INT_ARITH_SUBF_CONST
7882 #define GEN_INT_ARITH_SUBF(name, opc3, add_ca, compute_ca, compute_ov) \
7883 GEN_HANDLER(name, 0x1F, 0x08, opc3, 0x00000000, PPC_INTEGER),
7884 #define GEN_INT_ARITH_SUBF_CONST(name, opc3, const_val, \
7885 add_ca, compute_ca, compute_ov) \
7886 GEN_HANDLER(name, 0x1F, 0x08, opc3, 0x0000F800, PPC_INTEGER),
7887 GEN_INT_ARITH_SUBF(subf, 0x01, 0, 0, 0)
7888 GEN_INT_ARITH_SUBF(subfo, 0x11, 0, 0, 1)
7889 GEN_INT_ARITH_SUBF(subfc, 0x00, 0, 1, 0)
7890 GEN_INT_ARITH_SUBF(subfco, 0x10, 0, 1, 1)
7891 GEN_INT_ARITH_SUBF(subfe, 0x04, 1, 1, 0)
7892 GEN_INT_ARITH_SUBF(subfeo, 0x14, 1, 1, 1)
7893 GEN_INT_ARITH_SUBF_CONST(subfme, 0x07, -1LL, 1, 1, 0)
7894 GEN_INT_ARITH_SUBF_CONST(subfmeo, 0x17, -1LL, 1, 1, 1)
7895 GEN_INT_ARITH_SUBF_CONST(subfze, 0x06, 0, 1, 1, 0)
7896 GEN_INT_ARITH_SUBF_CONST(subfzeo, 0x16, 0, 1, 1, 1)
7897
7898 #undef GEN_LOGICAL1
7899 #undef GEN_LOGICAL2
7900 #define GEN_LOGICAL2(name, tcg_op, opc, type) \
7901 GEN_HANDLER(name, 0x1F, 0x1C, opc, 0x00000000, type)
7902 #define GEN_LOGICAL1(name, tcg_op, opc, type) \
7903 GEN_HANDLER(name, 0x1F, 0x1A, opc, 0x00000000, type)
7904 GEN_LOGICAL2(and, tcg_gen_and_tl, 0x00, PPC_INTEGER),
7905 GEN_LOGICAL2(andc, tcg_gen_andc_tl, 0x01, PPC_INTEGER),
7906 GEN_LOGICAL2(eqv, tcg_gen_eqv_tl, 0x08, PPC_INTEGER),
7907 GEN_LOGICAL1(extsb, tcg_gen_ext8s_tl, 0x1D, PPC_INTEGER),
7908 GEN_LOGICAL1(extsh, tcg_gen_ext16s_tl, 0x1C, PPC_INTEGER),
7909 GEN_LOGICAL2(nand, tcg_gen_nand_tl, 0x0E, PPC_INTEGER),
7910 GEN_LOGICAL2(nor, tcg_gen_nor_tl, 0x03, PPC_INTEGER),
7911 GEN_LOGICAL2(orc, tcg_gen_orc_tl, 0x0C, PPC_INTEGER),
7912 #if defined(TARGET_PPC64)
7913 GEN_LOGICAL1(extsw, tcg_gen_ext32s_tl, 0x1E, PPC_64B),
7914 #endif
7915
7916 #if defined(TARGET_PPC64)
7917 #undef GEN_PPC64_R2
7918 #undef GEN_PPC64_R4
7919 #define GEN_PPC64_R2(name, opc1, opc2) \
7920 GEN_HANDLER2(name##0, stringify(name), opc1, opc2, 0xFF, 0x00000000, PPC_64B),\
7921 GEN_HANDLER2(name##1, stringify(name), opc1, opc2 | 0x10, 0xFF, 0x00000000, \
7922 PPC_64B)
7923 #define GEN_PPC64_R4(name, opc1, opc2) \
7924 GEN_HANDLER2(name##0, stringify(name), opc1, opc2, 0xFF, 0x00000000, PPC_64B),\
7925 GEN_HANDLER2(name##1, stringify(name), opc1, opc2 | 0x01, 0xFF, 0x00000000, \
7926 PPC_64B), \
7927 GEN_HANDLER2(name##2, stringify(name), opc1, opc2 | 0x10, 0xFF, 0x00000000, \
7928 PPC_64B), \
7929 GEN_HANDLER2(name##3, stringify(name), opc1, opc2 | 0x11, 0xFF, 0x00000000, \
7930 PPC_64B)
7931 GEN_PPC64_R4(rldicl, 0x1E, 0x00),
7932 GEN_PPC64_R4(rldicr, 0x1E, 0x02),
7933 GEN_PPC64_R4(rldic, 0x1E, 0x04),
7934 GEN_PPC64_R2(rldcl, 0x1E, 0x08),
7935 GEN_PPC64_R2(rldcr, 0x1E, 0x09),
7936 GEN_PPC64_R4(rldimi, 0x1E, 0x06),
7937 #endif
7938
7939 #undef GEN_LDX_E
7940 #define GEN_LDX_E(name, ldop, opc2, opc3, type, type2, chk) \
7941 GEN_HANDLER_E(name##x, 0x1F, opc2, opc3, 0x00000001, type, type2),
7942
7943 #if defined(TARGET_PPC64)
7944 GEN_LDX_E(ldbr, ld64ur_i64, 0x14, 0x10, PPC_NONE, PPC2_DBRX, CHK_NONE)
7945
7946 /* HV/P7 and later only */
7947 GEN_LDX_HVRM(ldcix, ld64_i64, 0x15, 0x1b, PPC_CILDST)
7948 GEN_LDX_HVRM(lwzcix, ld32u, 0x15, 0x18, PPC_CILDST)
7949 GEN_LDX_HVRM(lhzcix, ld16u, 0x15, 0x19, PPC_CILDST)
7950 GEN_LDX_HVRM(lbzcix, ld8u, 0x15, 0x1a, PPC_CILDST)
7951 #endif
7952 GEN_LDX(lhbr, ld16ur, 0x16, 0x18, PPC_INTEGER)
7953 GEN_LDX(lwbr, ld32ur, 0x16, 0x10, PPC_INTEGER)
7954
7955 /* External PID based load */
7956 #undef GEN_LDEPX
7957 #define GEN_LDEPX(name, ldop, opc2, opc3) \
7958 GEN_HANDLER_E(name##epx, 0x1F, opc2, opc3, \
7959 0x00000001, PPC_NONE, PPC2_BOOKE206),
7960
7961 GEN_LDEPX(lb, DEF_MEMOP(MO_UB), 0x1F, 0x02)
7962 GEN_LDEPX(lh, DEF_MEMOP(MO_UW), 0x1F, 0x08)
7963 GEN_LDEPX(lw, DEF_MEMOP(MO_UL), 0x1F, 0x00)
7964 #if defined(TARGET_PPC64)
7965 GEN_LDEPX(ld, DEF_MEMOP(MO_Q), 0x1D, 0x00)
7966 #endif
7967
7968 #undef GEN_STX_E
7969 #define GEN_STX_E(name, stop, opc2, opc3, type, type2, chk) \
7970 GEN_HANDLER_E(name##x, 0x1F, opc2, opc3, 0x00000000, type, type2),
7971
7972 #if defined(TARGET_PPC64)
7973 GEN_STX_E(stdbr, st64r_i64, 0x14, 0x14, PPC_NONE, PPC2_DBRX, CHK_NONE)
7974 GEN_STX_HVRM(stdcix, st64_i64, 0x15, 0x1f, PPC_CILDST)
7975 GEN_STX_HVRM(stwcix, st32, 0x15, 0x1c, PPC_CILDST)
7976 GEN_STX_HVRM(sthcix, st16, 0x15, 0x1d, PPC_CILDST)
7977 GEN_STX_HVRM(stbcix, st8, 0x15, 0x1e, PPC_CILDST)
7978 #endif
7979 GEN_STX(sthbr, st16r, 0x16, 0x1C, PPC_INTEGER)
7980 GEN_STX(stwbr, st32r, 0x16, 0x14, PPC_INTEGER)
7981
7982 #undef GEN_STEPX
7983 #define GEN_STEPX(name, ldop, opc2, opc3) \
7984 GEN_HANDLER_E(name##epx, 0x1F, opc2, opc3, \
7985 0x00000001, PPC_NONE, PPC2_BOOKE206),
7986
7987 GEN_STEPX(stb, DEF_MEMOP(MO_UB), 0x1F, 0x06)
7988 GEN_STEPX(sth, DEF_MEMOP(MO_UW), 0x1F, 0x0C)
7989 GEN_STEPX(stw, DEF_MEMOP(MO_UL), 0x1F, 0x04)
7990 #if defined(TARGET_PPC64)
7991 GEN_STEPX(std, DEF_MEMOP(MO_Q), 0x1D, 0x04)
7992 #endif
7993
7994 #undef GEN_CRLOGIC
7995 #define GEN_CRLOGIC(name, tcg_op, opc) \
7996 GEN_HANDLER(name, 0x13, 0x01, opc, 0x00000001, PPC_INTEGER)
7997 GEN_CRLOGIC(crand, tcg_gen_and_i32, 0x08),
7998 GEN_CRLOGIC(crandc, tcg_gen_andc_i32, 0x04),
7999 GEN_CRLOGIC(creqv, tcg_gen_eqv_i32, 0x09),
8000 GEN_CRLOGIC(crnand, tcg_gen_nand_i32, 0x07),
8001 GEN_CRLOGIC(crnor, tcg_gen_nor_i32, 0x01),
8002 GEN_CRLOGIC(cror, tcg_gen_or_i32, 0x0E),
8003 GEN_CRLOGIC(crorc, tcg_gen_orc_i32, 0x0D),
8004 GEN_CRLOGIC(crxor, tcg_gen_xor_i32, 0x06),
8005
8006 #undef GEN_MAC_HANDLER
8007 #define GEN_MAC_HANDLER(name, opc2, opc3) \
8008 GEN_HANDLER(name, 0x04, opc2, opc3, 0x00000000, PPC_405_MAC)
8009 GEN_MAC_HANDLER(macchw, 0x0C, 0x05),
8010 GEN_MAC_HANDLER(macchwo, 0x0C, 0x15),
8011 GEN_MAC_HANDLER(macchws, 0x0C, 0x07),
8012 GEN_MAC_HANDLER(macchwso, 0x0C, 0x17),
8013 GEN_MAC_HANDLER(macchwsu, 0x0C, 0x06),
8014 GEN_MAC_HANDLER(macchwsuo, 0x0C, 0x16),
8015 GEN_MAC_HANDLER(macchwu, 0x0C, 0x04),
8016 GEN_MAC_HANDLER(macchwuo, 0x0C, 0x14),
8017 GEN_MAC_HANDLER(machhw, 0x0C, 0x01),
8018 GEN_MAC_HANDLER(machhwo, 0x0C, 0x11),
8019 GEN_MAC_HANDLER(machhws, 0x0C, 0x03),
8020 GEN_MAC_HANDLER(machhwso, 0x0C, 0x13),
8021 GEN_MAC_HANDLER(machhwsu, 0x0C, 0x02),
8022 GEN_MAC_HANDLER(machhwsuo, 0x0C, 0x12),
8023 GEN_MAC_HANDLER(machhwu, 0x0C, 0x00),
8024 GEN_MAC_HANDLER(machhwuo, 0x0C, 0x10),
8025 GEN_MAC_HANDLER(maclhw, 0x0C, 0x0D),
8026 GEN_MAC_HANDLER(maclhwo, 0x0C, 0x1D),
8027 GEN_MAC_HANDLER(maclhws, 0x0C, 0x0F),
8028 GEN_MAC_HANDLER(maclhwso, 0x0C, 0x1F),
8029 GEN_MAC_HANDLER(maclhwu, 0x0C, 0x0C),
8030 GEN_MAC_HANDLER(maclhwuo, 0x0C, 0x1C),
8031 GEN_MAC_HANDLER(maclhwsu, 0x0C, 0x0E),
8032 GEN_MAC_HANDLER(maclhwsuo, 0x0C, 0x1E),
8033 GEN_MAC_HANDLER(nmacchw, 0x0E, 0x05),
8034 GEN_MAC_HANDLER(nmacchwo, 0x0E, 0x15),
8035 GEN_MAC_HANDLER(nmacchws, 0x0E, 0x07),
8036 GEN_MAC_HANDLER(nmacchwso, 0x0E, 0x17),
8037 GEN_MAC_HANDLER(nmachhw, 0x0E, 0x01),
8038 GEN_MAC_HANDLER(nmachhwo, 0x0E, 0x11),
8039 GEN_MAC_HANDLER(nmachhws, 0x0E, 0x03),
8040 GEN_MAC_HANDLER(nmachhwso, 0x0E, 0x13),
8041 GEN_MAC_HANDLER(nmaclhw, 0x0E, 0x0D),
8042 GEN_MAC_HANDLER(nmaclhwo, 0x0E, 0x1D),
8043 GEN_MAC_HANDLER(nmaclhws, 0x0E, 0x0F),
8044 GEN_MAC_HANDLER(nmaclhwso, 0x0E, 0x1F),
8045 GEN_MAC_HANDLER(mulchw, 0x08, 0x05),
8046 GEN_MAC_HANDLER(mulchwu, 0x08, 0x04),
8047 GEN_MAC_HANDLER(mulhhw, 0x08, 0x01),
8048 GEN_MAC_HANDLER(mulhhwu, 0x08, 0x00),
8049 GEN_MAC_HANDLER(mullhw, 0x08, 0x0D),
8050 GEN_MAC_HANDLER(mullhwu, 0x08, 0x0C),
8051
8052 GEN_HANDLER2_E(tbegin, "tbegin", 0x1F, 0x0E, 0x14, 0x01DFF800, \
8053 PPC_NONE, PPC2_TM),
8054 GEN_HANDLER2_E(tend, "tend", 0x1F, 0x0E, 0x15, 0x01FFF800, \
8055 PPC_NONE, PPC2_TM),
8056 GEN_HANDLER2_E(tabort, "tabort", 0x1F, 0x0E, 0x1C, 0x03E0F800, \
8057 PPC_NONE, PPC2_TM),
8058 GEN_HANDLER2_E(tabortwc, "tabortwc", 0x1F, 0x0E, 0x18, 0x00000000, \
8059 PPC_NONE, PPC2_TM),
8060 GEN_HANDLER2_E(tabortwci, "tabortwci", 0x1F, 0x0E, 0x1A, 0x00000000, \
8061 PPC_NONE, PPC2_TM),
8062 GEN_HANDLER2_E(tabortdc, "tabortdc", 0x1F, 0x0E, 0x19, 0x00000000, \
8063 PPC_NONE, PPC2_TM),
8064 GEN_HANDLER2_E(tabortdci, "tabortdci", 0x1F, 0x0E, 0x1B, 0x00000000, \
8065 PPC_NONE, PPC2_TM),
8066 GEN_HANDLER2_E(tsr, "tsr", 0x1F, 0x0E, 0x17, 0x03DFF800, \
8067 PPC_NONE, PPC2_TM),
8068 GEN_HANDLER2_E(tcheck, "tcheck", 0x1F, 0x0E, 0x16, 0x007FF800, \
8069 PPC_NONE, PPC2_TM),
8070 GEN_HANDLER2_E(treclaim, "treclaim", 0x1F, 0x0E, 0x1D, 0x03E0F800, \
8071 PPC_NONE, PPC2_TM),
8072 GEN_HANDLER2_E(trechkpt, "trechkpt", 0x1F, 0x0E, 0x1F, 0x03FFF800, \
8073 PPC_NONE, PPC2_TM),
8074
8075 #include "translate/fp-ops.c.inc"
8076
8077 #include "translate/vmx-ops.c.inc"
8078
8079 #include "translate/vsx-ops.c.inc"
8080
8081 #include "translate/spe-ops.c.inc"
8082 };
8083
8084 /*****************************************************************************/
8085 /* Opcode types */
8086 enum {
8087 PPC_DIRECT = 0, /* Opcode routine */
8088 PPC_INDIRECT = 1, /* Indirect opcode table */
8089 };
8090
8091 #define PPC_OPCODE_MASK 0x3
8092
8093 static inline int is_indirect_opcode(void *handler)
8094 {
8095 return ((uintptr_t)handler & PPC_OPCODE_MASK) == PPC_INDIRECT;
8096 }
8097
8098 static inline opc_handler_t **ind_table(void *handler)
8099 {
8100 return (opc_handler_t **)((uintptr_t)handler & ~PPC_OPCODE_MASK);
8101 }
8102
8103 /* Instruction table creation */
8104 /* Opcodes tables creation */
8105 static void fill_new_table(opc_handler_t **table, int len)
8106 {
8107 int i;
8108
8109 for (i = 0; i < len; i++) {
8110 table[i] = &invalid_handler;
8111 }
8112 }
8113
8114 static int create_new_table(opc_handler_t **table, unsigned char idx)
8115 {
8116 opc_handler_t **tmp;
8117
8118 tmp = g_new(opc_handler_t *, PPC_CPU_INDIRECT_OPCODES_LEN);
8119 fill_new_table(tmp, PPC_CPU_INDIRECT_OPCODES_LEN);
8120 table[idx] = (opc_handler_t *)((uintptr_t)tmp | PPC_INDIRECT);
8121
8122 return 0;
8123 }
8124
8125 static int insert_in_table(opc_handler_t **table, unsigned char idx,
8126 opc_handler_t *handler)
8127 {
8128 if (table[idx] != &invalid_handler) {
8129 return -1;
8130 }
8131 table[idx] = handler;
8132
8133 return 0;
8134 }
8135
8136 static int register_direct_insn(opc_handler_t **ppc_opcodes,
8137 unsigned char idx, opc_handler_t *handler)
8138 {
8139 if (insert_in_table(ppc_opcodes, idx, handler) < 0) {
8140 printf("*** ERROR: opcode %02x already assigned in main "
8141 "opcode table\n", idx);
8142 return -1;
8143 }
8144
8145 return 0;
8146 }
8147
8148 static int register_ind_in_table(opc_handler_t **table,
8149 unsigned char idx1, unsigned char idx2,
8150 opc_handler_t *handler)
8151 {
8152 if (table[idx1] == &invalid_handler) {
8153 if (create_new_table(table, idx1) < 0) {
8154 printf("*** ERROR: unable to create indirect table "
8155 "idx=%02x\n", idx1);
8156 return -1;
8157 }
8158 } else {
8159 if (!is_indirect_opcode(table[idx1])) {
8160 printf("*** ERROR: idx %02x already assigned to a direct "
8161 "opcode\n", idx1);
8162 return -1;
8163 }
8164 }
8165 if (handler != NULL &&
8166 insert_in_table(ind_table(table[idx1]), idx2, handler) < 0) {
8167 printf("*** ERROR: opcode %02x already assigned in "
8168 "opcode table %02x\n", idx2, idx1);
8169 return -1;
8170 }
8171
8172 return 0;
8173 }
8174
8175 static int register_ind_insn(opc_handler_t **ppc_opcodes,
8176 unsigned char idx1, unsigned char idx2,
8177 opc_handler_t *handler)
8178 {
8179 return register_ind_in_table(ppc_opcodes, idx1, idx2, handler);
8180 }
8181
8182 static int register_dblind_insn(opc_handler_t **ppc_opcodes,
8183 unsigned char idx1, unsigned char idx2,
8184 unsigned char idx3, opc_handler_t *handler)
8185 {
8186 if (register_ind_in_table(ppc_opcodes, idx1, idx2, NULL) < 0) {
8187 printf("*** ERROR: unable to join indirect table idx "
8188 "[%02x-%02x]\n", idx1, idx2);
8189 return -1;
8190 }
8191 if (register_ind_in_table(ind_table(ppc_opcodes[idx1]), idx2, idx3,
8192 handler) < 0) {
8193 printf("*** ERROR: unable to insert opcode "
8194 "[%02x-%02x-%02x]\n", idx1, idx2, idx3);
8195 return -1;
8196 }
8197
8198 return 0;
8199 }
8200
8201 static int register_trplind_insn(opc_handler_t **ppc_opcodes,
8202 unsigned char idx1, unsigned char idx2,
8203 unsigned char idx3, unsigned char idx4,
8204 opc_handler_t *handler)
8205 {
8206 opc_handler_t **table;
8207
8208 if (register_ind_in_table(ppc_opcodes, idx1, idx2, NULL) < 0) {
8209 printf("*** ERROR: unable to join indirect table idx "
8210 "[%02x-%02x]\n", idx1, idx2);
8211 return -1;
8212 }
8213 table = ind_table(ppc_opcodes[idx1]);
8214 if (register_ind_in_table(table, idx2, idx3, NULL) < 0) {
8215 printf("*** ERROR: unable to join 2nd-level indirect table idx "
8216 "[%02x-%02x-%02x]\n", idx1, idx2, idx3);
8217 return -1;
8218 }
8219 table = ind_table(table[idx2]);
8220 if (register_ind_in_table(table, idx3, idx4, handler) < 0) {
8221 printf("*** ERROR: unable to insert opcode "
8222 "[%02x-%02x-%02x-%02x]\n", idx1, idx2, idx3, idx4);
8223 return -1;
8224 }
8225 return 0;
8226 }
8227 static int register_insn(opc_handler_t **ppc_opcodes, opcode_t *insn)
8228 {
8229 if (insn->opc2 != 0xFF) {
8230 if (insn->opc3 != 0xFF) {
8231 if (insn->opc4 != 0xFF) {
8232 if (register_trplind_insn(ppc_opcodes, insn->opc1, insn->opc2,
8233 insn->opc3, insn->opc4,
8234 &insn->handler) < 0) {
8235 return -1;
8236 }
8237 } else {
8238 if (register_dblind_insn(ppc_opcodes, insn->opc1, insn->opc2,
8239 insn->opc3, &insn->handler) < 0) {
8240 return -1;
8241 }
8242 }
8243 } else {
8244 if (register_ind_insn(ppc_opcodes, insn->opc1,
8245 insn->opc2, &insn->handler) < 0) {
8246 return -1;
8247 }
8248 }
8249 } else {
8250 if (register_direct_insn(ppc_opcodes, insn->opc1, &insn->handler) < 0) {
8251 return -1;
8252 }
8253 }
8254
8255 return 0;
8256 }
8257
8258 static int test_opcode_table(opc_handler_t **table, int len)
8259 {
8260 int i, count, tmp;
8261
8262 for (i = 0, count = 0; i < len; i++) {
8263 /* Consistency fixup */
8264 if (table[i] == NULL) {
8265 table[i] = &invalid_handler;
8266 }
8267 if (table[i] != &invalid_handler) {
8268 if (is_indirect_opcode(table[i])) {
8269 tmp = test_opcode_table(ind_table(table[i]),
8270 PPC_CPU_INDIRECT_OPCODES_LEN);
8271 if (tmp == 0) {
8272 free(table[i]);
8273 table[i] = &invalid_handler;
8274 } else {
8275 count++;
8276 }
8277 } else {
8278 count++;
8279 }
8280 }
8281 }
8282
8283 return count;
8284 }
8285
8286 static void fix_opcode_tables(opc_handler_t **ppc_opcodes)
8287 {
8288 if (test_opcode_table(ppc_opcodes, PPC_CPU_OPCODES_LEN) == 0) {
8289 printf("*** WARNING: no opcode defined !\n");
8290 }
8291 }
8292
8293 /*****************************************************************************/
8294 void create_ppc_opcodes(PowerPCCPU *cpu, Error **errp)
8295 {
8296 PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cpu);
8297 opcode_t *opc;
8298
8299 fill_new_table(cpu->opcodes, PPC_CPU_OPCODES_LEN);
8300 for (opc = opcodes; opc < &opcodes[ARRAY_SIZE(opcodes)]; opc++) {
8301 if (((opc->handler.type & pcc->insns_flags) != 0) ||
8302 ((opc->handler.type2 & pcc->insns_flags2) != 0)) {
8303 if (register_insn(cpu->opcodes, opc) < 0) {
8304 error_setg(errp, "ERROR initializing PowerPC instruction "
8305 "0x%02x 0x%02x 0x%02x", opc->opc1, opc->opc2,
8306 opc->opc3);
8307 return;
8308 }
8309 }
8310 }
8311 fix_opcode_tables(cpu->opcodes);
8312 fflush(stdout);
8313 fflush(stderr);
8314 }
8315
8316 void destroy_ppc_opcodes(PowerPCCPU *cpu)
8317 {
8318 opc_handler_t **table, **table_2;
8319 int i, j, k;
8320
8321 for (i = 0; i < PPC_CPU_OPCODES_LEN; i++) {
8322 if (cpu->opcodes[i] == &invalid_handler) {
8323 continue;
8324 }
8325 if (is_indirect_opcode(cpu->opcodes[i])) {
8326 table = ind_table(cpu->opcodes[i]);
8327 for (j = 0; j < PPC_CPU_INDIRECT_OPCODES_LEN; j++) {
8328 if (table[j] == &invalid_handler) {
8329 continue;
8330 }
8331 if (is_indirect_opcode(table[j])) {
8332 table_2 = ind_table(table[j]);
8333 for (k = 0; k < PPC_CPU_INDIRECT_OPCODES_LEN; k++) {
8334 if (table_2[k] != &invalid_handler &&
8335 is_indirect_opcode(table_2[k])) {
8336 g_free((opc_handler_t *)((uintptr_t)table_2[k] &
8337 ~PPC_INDIRECT));
8338 }
8339 }
8340 g_free((opc_handler_t *)((uintptr_t)table[j] &
8341 ~PPC_INDIRECT));
8342 }
8343 }
8344 g_free((opc_handler_t *)((uintptr_t)cpu->opcodes[i] &
8345 ~PPC_INDIRECT));
8346 }
8347 }
8348 }
8349
8350 int ppc_fixup_cpu(PowerPCCPU *cpu)
8351 {
8352 CPUPPCState *env = &cpu->env;
8353
8354 /*
8355 * TCG doesn't (yet) emulate some groups of instructions that are
8356 * implemented on some otherwise supported CPUs (e.g. VSX and
8357 * decimal floating point instructions on POWER7). We remove
8358 * unsupported instruction groups from the cpu state's instruction
8359 * masks and hope the guest can cope. For at least the pseries
8360 * machine, the unavailability of these instructions can be
8361 * advertised to the guest via the device tree.
8362 */
8363 if ((env->insns_flags & ~PPC_TCG_INSNS)
8364 || (env->insns_flags2 & ~PPC_TCG_INSNS2)) {
8365 warn_report("Disabling some instructions which are not "
8366 "emulated by TCG (0x%" PRIx64 ", 0x%" PRIx64 ")",
8367 env->insns_flags & ~PPC_TCG_INSNS,
8368 env->insns_flags2 & ~PPC_TCG_INSNS2);
8369 }
8370 env->insns_flags &= PPC_TCG_INSNS;
8371 env->insns_flags2 &= PPC_TCG_INSNS2;
8372 return 0;
8373 }
8374
8375 static bool decode_legacy(PowerPCCPU *cpu, DisasContext *ctx, uint32_t insn)
8376 {
8377 opc_handler_t **table, *handler;
8378 uint32_t inval;
8379
8380 ctx->opcode = insn;
8381
8382 LOG_DISAS("translate opcode %08x (%02x %02x %02x %02x) (%s)\n",
8383 insn, opc1(insn), opc2(insn), opc3(insn), opc4(insn),
8384 ctx->le_mode ? "little" : "big");
8385
8386 table = cpu->opcodes;
8387 handler = table[opc1(insn)];
8388 if (is_indirect_opcode(handler)) {
8389 table = ind_table(handler);
8390 handler = table[opc2(insn)];
8391 if (is_indirect_opcode(handler)) {
8392 table = ind_table(handler);
8393 handler = table[opc3(insn)];
8394 if (is_indirect_opcode(handler)) {
8395 table = ind_table(handler);
8396 handler = table[opc4(insn)];
8397 }
8398 }
8399 }
8400
8401 /* Is opcode *REALLY* valid ? */
8402 if (unlikely(handler->handler == &gen_invalid)) {
8403 qemu_log_mask(LOG_GUEST_ERROR, "invalid/unsupported opcode: "
8404 "%02x - %02x - %02x - %02x (%08x) "
8405 TARGET_FMT_lx "\n",
8406 opc1(insn), opc2(insn), opc3(insn), opc4(insn),
8407 insn, ctx->cia);
8408 return false;
8409 }
8410
8411 if (unlikely(handler->type & (PPC_SPE | PPC_SPE_SINGLE | PPC_SPE_DOUBLE)
8412 && Rc(insn))) {
8413 inval = handler->inval2;
8414 } else {
8415 inval = handler->inval1;
8416 }
8417
8418 if (unlikely((insn & inval) != 0)) {
8419 qemu_log_mask(LOG_GUEST_ERROR, "invalid bits: %08x for opcode: "
8420 "%02x - %02x - %02x - %02x (%08x) "
8421 TARGET_FMT_lx "\n", insn & inval,
8422 opc1(insn), opc2(insn), opc3(insn), opc4(insn),
8423 insn, ctx->cia);
8424 return false;
8425 }
8426
8427 handler->handler(ctx);
8428 return true;
8429 }
8430
8431 static void ppc_tr_init_disas_context(DisasContextBase *dcbase, CPUState *cs)
8432 {
8433 DisasContext *ctx = container_of(dcbase, DisasContext, base);
8434 CPUPPCState *env = cs->env_ptr;
8435 uint32_t hflags = ctx->base.tb->flags;
8436
8437 ctx->spr_cb = env->spr_cb;
8438 ctx->pr = (hflags >> HFLAGS_PR) & 1;
8439 ctx->mem_idx = (hflags >> HFLAGS_DMMU_IDX) & 7;
8440 ctx->dr = (hflags >> HFLAGS_DR) & 1;
8441 ctx->hv = (hflags >> HFLAGS_HV) & 1;
8442 ctx->insns_flags = env->insns_flags;
8443 ctx->insns_flags2 = env->insns_flags2;
8444 ctx->access_type = -1;
8445 ctx->need_access_type = !mmu_is_64bit(env->mmu_model);
8446 ctx->le_mode = (hflags >> HFLAGS_LE) & 1;
8447 ctx->default_tcg_memop_mask = ctx->le_mode ? MO_LE : MO_BE;
8448 ctx->flags = env->flags;
8449 #if defined(TARGET_PPC64)
8450 ctx->sf_mode = (hflags >> HFLAGS_64) & 1;
8451 ctx->has_cfar = !!(env->flags & POWERPC_FLAG_CFAR);
8452 #endif
8453 ctx->lazy_tlb_flush = env->mmu_model == POWERPC_MMU_32B
8454 || env->mmu_model == POWERPC_MMU_601
8455 || env->mmu_model & POWERPC_MMU_64;
8456
8457 ctx->fpu_enabled = (hflags >> HFLAGS_FP) & 1;
8458 ctx->spe_enabled = (hflags >> HFLAGS_SPE) & 1;
8459 ctx->altivec_enabled = (hflags >> HFLAGS_VR) & 1;
8460 ctx->vsx_enabled = (hflags >> HFLAGS_VSX) & 1;
8461 ctx->tm_enabled = (hflags >> HFLAGS_TM) & 1;
8462 ctx->gtse = (hflags >> HFLAGS_GTSE) & 1;
8463 ctx->hr = (hflags >> HFLAGS_HR) & 1;
8464 ctx->mmcr0_pmcc0 = (hflags >> HFLAGS_PMCC0) & 1;
8465 ctx->mmcr0_pmcc1 = (hflags >> HFLAGS_PMCC1) & 1;
8466
8467 ctx->singlestep_enabled = 0;
8468 if ((hflags >> HFLAGS_SE) & 1) {
8469 ctx->singlestep_enabled |= CPU_SINGLE_STEP;
8470 ctx->base.max_insns = 1;
8471 }
8472 if ((hflags >> HFLAGS_BE) & 1) {
8473 ctx->singlestep_enabled |= CPU_BRANCH_STEP;
8474 }
8475 }
8476
8477 static void ppc_tr_tb_start(DisasContextBase *db, CPUState *cs)
8478 {
8479 }
8480
8481 static void ppc_tr_insn_start(DisasContextBase *dcbase, CPUState *cs)
8482 {
8483 tcg_gen_insn_start(dcbase->pc_next);
8484 }
8485
8486 static bool is_prefix_insn(DisasContext *ctx, uint32_t insn)
8487 {
8488 REQUIRE_INSNS_FLAGS2(ctx, ISA310);
8489 return opc1(insn) == 1;
8490 }
8491
8492 static void ppc_tr_translate_insn(DisasContextBase *dcbase, CPUState *cs)
8493 {
8494 DisasContext *ctx = container_of(dcbase, DisasContext, base);
8495 PowerPCCPU *cpu = POWERPC_CPU(cs);
8496 CPUPPCState *env = cs->env_ptr;
8497 target_ulong pc;
8498 uint32_t insn;
8499 bool ok;
8500
8501 LOG_DISAS("----------------\n");
8502 LOG_DISAS("nip=" TARGET_FMT_lx " super=%d ir=%d\n",
8503 ctx->base.pc_next, ctx->mem_idx, (int)msr_ir);
8504
8505 ctx->cia = pc = ctx->base.pc_next;
8506 insn = translator_ldl_swap(env, dcbase, pc, need_byteswap(ctx));
8507 ctx->base.pc_next = pc += 4;
8508
8509 if (!is_prefix_insn(ctx, insn)) {
8510 ok = (decode_insn32(ctx, insn) ||
8511 decode_legacy(cpu, ctx, insn));
8512 } else if ((pc & 63) == 0) {
8513 /*
8514 * Power v3.1, section 1.9 Exceptions:
8515 * attempt to execute a prefixed instruction that crosses a
8516 * 64-byte address boundary (system alignment error).
8517 */
8518 gen_exception_err(ctx, POWERPC_EXCP_ALIGN, POWERPC_EXCP_ALIGN_INSN);
8519 ok = true;
8520 } else {
8521 uint32_t insn2 = translator_ldl_swap(env, dcbase, pc,
8522 need_byteswap(ctx));
8523 ctx->base.pc_next = pc += 4;
8524 ok = decode_insn64(ctx, deposit64(insn2, 32, 32, insn));
8525 }
8526 if (!ok) {
8527 gen_invalid(ctx);
8528 }
8529
8530 /* End the TB when crossing a page boundary. */
8531 if (ctx->base.is_jmp == DISAS_NEXT && !(pc & ~TARGET_PAGE_MASK)) {
8532 ctx->base.is_jmp = DISAS_TOO_MANY;
8533 }
8534
8535 translator_loop_temp_check(&ctx->base);
8536 }
8537
8538 static void ppc_tr_tb_stop(DisasContextBase *dcbase, CPUState *cs)
8539 {
8540 DisasContext *ctx = container_of(dcbase, DisasContext, base);
8541 DisasJumpType is_jmp = ctx->base.is_jmp;
8542 target_ulong nip = ctx->base.pc_next;
8543
8544 if (is_jmp == DISAS_NORETURN) {
8545 /* We have already exited the TB. */
8546 return;
8547 }
8548
8549 /* Honor single stepping. */
8550 if (unlikely(ctx->singlestep_enabled & CPU_SINGLE_STEP)
8551 && (nip <= 0x100 || nip > 0xf00)) {
8552 switch (is_jmp) {
8553 case DISAS_TOO_MANY:
8554 case DISAS_EXIT_UPDATE:
8555 case DISAS_CHAIN_UPDATE:
8556 gen_update_nip(ctx, nip);
8557 break;
8558 case DISAS_EXIT:
8559 case DISAS_CHAIN:
8560 break;
8561 default:
8562 g_assert_not_reached();
8563 }
8564
8565 gen_debug_exception(ctx);
8566 return;
8567 }
8568
8569 switch (is_jmp) {
8570 case DISAS_TOO_MANY:
8571 if (use_goto_tb(ctx, nip)) {
8572 tcg_gen_goto_tb(0);
8573 gen_update_nip(ctx, nip);
8574 tcg_gen_exit_tb(ctx->base.tb, 0);
8575 break;
8576 }
8577 /* fall through */
8578 case DISAS_CHAIN_UPDATE:
8579 gen_update_nip(ctx, nip);
8580 /* fall through */
8581 case DISAS_CHAIN:
8582 tcg_gen_lookup_and_goto_ptr();
8583 break;
8584
8585 case DISAS_EXIT_UPDATE:
8586 gen_update_nip(ctx, nip);
8587 /* fall through */
8588 case DISAS_EXIT:
8589 tcg_gen_exit_tb(NULL, 0);
8590 break;
8591
8592 default:
8593 g_assert_not_reached();
8594 }
8595 }
8596
8597 static void ppc_tr_disas_log(const DisasContextBase *dcbase, CPUState *cs)
8598 {
8599 qemu_log("IN: %s\n", lookup_symbol(dcbase->pc_first));
8600 log_target_disas(cs, dcbase->pc_first, dcbase->tb->size);
8601 }
8602
8603 static const TranslatorOps ppc_tr_ops = {
8604 .init_disas_context = ppc_tr_init_disas_context,
8605 .tb_start = ppc_tr_tb_start,
8606 .insn_start = ppc_tr_insn_start,
8607 .translate_insn = ppc_tr_translate_insn,
8608 .tb_stop = ppc_tr_tb_stop,
8609 .disas_log = ppc_tr_disas_log,
8610 };
8611
8612 void gen_intermediate_code(CPUState *cs, TranslationBlock *tb, int max_insns)
8613 {
8614 DisasContext ctx;
8615
8616 translator_loop(&ppc_tr_ops, &ctx.base, cs, tb, max_insns);
8617 }
8618
8619 void restore_state_to_opc(CPUPPCState *env, TranslationBlock *tb,
8620 target_ulong *data)
8621 {
8622 env->nip = data[0];
8623 }
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