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target/ppc: Fix temp usage in gen_op_arith_modw
[qemu/kevin.git] / target / ppc / translate.c
blobf603f1a939e168cfb5535e151edc18bb3c34fcc9
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_common.h"
39 #include "power8-pmu.h"
40
41 #include "qemu/qemu-print.h"
42 #include "qapi/error.h"
43
44 #define CPU_SINGLE_STEP 0x1
45 #define CPU_BRANCH_STEP 0x2
46
47 /* Include definitions for instructions classes and implementations flags */
48 /* #define PPC_DEBUG_DISAS */
49
50 #ifdef PPC_DEBUG_DISAS
51 # define LOG_DISAS(...) qemu_log_mask(CPU_LOG_TB_IN_ASM, ## __VA_ARGS__)
52 #else
53 # define LOG_DISAS(...) do { } while (0)
54 #endif
55 /*****************************************************************************/
56 /* Code translation helpers */
57
58 /* global register indexes */
59 static char cpu_reg_names[10 * 3 + 22 * 4 /* GPR */
60 + 10 * 4 + 22 * 5 /* SPE GPRh */
61 + 8 * 5 /* CRF */];
62 static TCGv cpu_gpr[32];
63 static TCGv cpu_gprh[32];
64 static TCGv_i32 cpu_crf[8];
65 static TCGv cpu_nip;
66 static TCGv cpu_msr;
67 static TCGv cpu_ctr;
68 static TCGv cpu_lr;
69 #if defined(TARGET_PPC64)
70 static TCGv cpu_cfar;
71 #endif
72 static TCGv cpu_xer, cpu_so, cpu_ov, cpu_ca, cpu_ov32, cpu_ca32;
73 static TCGv cpu_reserve;
74 static TCGv cpu_reserve_val;
75 static TCGv cpu_reserve_val2;
76 static TCGv cpu_fpscr;
77 static TCGv_i32 cpu_access_type;
78
79 #include "exec/gen-icount.h"
80
81 void ppc_translate_init(void)
82 {
83 int i;
84 char *p;
85 size_t cpu_reg_names_size;
86
87 p = cpu_reg_names;
88 cpu_reg_names_size = sizeof(cpu_reg_names);
89
90 for (i = 0; i < 8; i++) {
91 snprintf(p, cpu_reg_names_size, "crf%d", i);
92 cpu_crf[i] = tcg_global_mem_new_i32(cpu_env,
93 offsetof(CPUPPCState, crf[i]), p);
94 p += 5;
95 cpu_reg_names_size -= 5;
96 }
97
98 for (i = 0; i < 32; i++) {
99 snprintf(p, cpu_reg_names_size, "r%d", i);
100 cpu_gpr[i] = tcg_global_mem_new(cpu_env,
101 offsetof(CPUPPCState, gpr[i]), p);
102 p += (i < 10) ? 3 : 4;
103 cpu_reg_names_size -= (i < 10) ? 3 : 4;
104 snprintf(p, cpu_reg_names_size, "r%dH", i);
105 cpu_gprh[i] = tcg_global_mem_new(cpu_env,
106 offsetof(CPUPPCState, gprh[i]), p);
107 p += (i < 10) ? 4 : 5;
108 cpu_reg_names_size -= (i < 10) ? 4 : 5;
109 }
110
111 cpu_nip = tcg_global_mem_new(cpu_env,
112 offsetof(CPUPPCState, nip), "nip");
113
114 cpu_msr = tcg_global_mem_new(cpu_env,
115 offsetof(CPUPPCState, msr), "msr");
116
117 cpu_ctr = tcg_global_mem_new(cpu_env,
118 offsetof(CPUPPCState, ctr), "ctr");
119
120 cpu_lr = tcg_global_mem_new(cpu_env,
121 offsetof(CPUPPCState, lr), "lr");
122
123 #if defined(TARGET_PPC64)
124 cpu_cfar = tcg_global_mem_new(cpu_env,
125 offsetof(CPUPPCState, cfar), "cfar");
126 #endif
127
128 cpu_xer = tcg_global_mem_new(cpu_env,
129 offsetof(CPUPPCState, xer), "xer");
130 cpu_so = tcg_global_mem_new(cpu_env,
131 offsetof(CPUPPCState, so), "SO");
132 cpu_ov = tcg_global_mem_new(cpu_env,
133 offsetof(CPUPPCState, ov), "OV");
134 cpu_ca = tcg_global_mem_new(cpu_env,
135 offsetof(CPUPPCState, ca), "CA");
136 cpu_ov32 = tcg_global_mem_new(cpu_env,
137 offsetof(CPUPPCState, ov32), "OV32");
138 cpu_ca32 = tcg_global_mem_new(cpu_env,
139 offsetof(CPUPPCState, ca32), "CA32");
140
141 cpu_reserve = tcg_global_mem_new(cpu_env,
142 offsetof(CPUPPCState, reserve_addr),
143 "reserve_addr");
144 cpu_reserve_val = tcg_global_mem_new(cpu_env,
145 offsetof(CPUPPCState, reserve_val),
146 "reserve_val");
147 cpu_reserve_val2 = tcg_global_mem_new(cpu_env,
148 offsetof(CPUPPCState, reserve_val2),
149 "reserve_val2");
150
151 cpu_fpscr = tcg_global_mem_new(cpu_env,
152 offsetof(CPUPPCState, fpscr), "fpscr");
153
154 cpu_access_type = tcg_global_mem_new_i32(cpu_env,
155 offsetof(CPUPPCState, access_type),
156 "access_type");
157 }
158
159 /* internal defines */
160 struct DisasContext {
161 DisasContextBase base;
162 target_ulong cia; /* current instruction address */
163 uint32_t opcode;
164 /* Routine used to access memory */
165 bool pr, hv, dr, le_mode;
166 bool lazy_tlb_flush;
167 bool need_access_type;
168 int mem_idx;
169 int access_type;
170 /* Translation flags */
171 MemOp default_tcg_memop_mask;
172 #if defined(TARGET_PPC64)
173 bool sf_mode;
174 bool has_cfar;
175 #endif
176 bool fpu_enabled;
177 bool altivec_enabled;
178 bool vsx_enabled;
179 bool spe_enabled;
180 bool tm_enabled;
181 bool gtse;
182 bool hr;
183 bool mmcr0_pmcc0;
184 bool mmcr0_pmcc1;
185 bool mmcr0_pmcjce;
186 bool pmc_other;
187 bool pmu_insn_cnt;
188 ppc_spr_t *spr_cb; /* Needed to check rights for mfspr/mtspr */
189 int singlestep_enabled;
190 uint32_t flags;
191 uint64_t insns_flags;
192 uint64_t insns_flags2;
193 };
194
195 #define DISAS_EXIT DISAS_TARGET_0 /* exit to main loop, pc updated */
196 #define DISAS_EXIT_UPDATE DISAS_TARGET_1 /* exit to main loop, pc stale */
197 #define DISAS_CHAIN DISAS_TARGET_2 /* lookup next tb, pc updated */
198 #define DISAS_CHAIN_UPDATE DISAS_TARGET_3 /* lookup next tb, pc stale */
199
200 /* Return true iff byteswap is needed in a scalar memop */
201 static inline bool need_byteswap(const DisasContext *ctx)
202 {
203 #if TARGET_BIG_ENDIAN
204 return ctx->le_mode;
205 #else
206 return !ctx->le_mode;
207 #endif
208 }
209
210 /* True when active word size < size of target_long. */
211 #ifdef TARGET_PPC64
212 # define NARROW_MODE(C) (!(C)->sf_mode)
213 #else
214 # define NARROW_MODE(C) 0
215 #endif
216
217 struct opc_handler_t {
218 /* invalid bits for instruction 1 (Rc(opcode) == 0) */
219 uint32_t inval1;
220 /* invalid bits for instruction 2 (Rc(opcode) == 1) */
221 uint32_t inval2;
222 /* instruction type */
223 uint64_t type;
224 /* extended instruction type */
225 uint64_t type2;
226 /* handler */
227 void (*handler)(DisasContext *ctx);
228 };
229
230 /* SPR load/store helpers */
231 static inline void gen_load_spr(TCGv t, int reg)
232 {
233 tcg_gen_ld_tl(t, cpu_env, offsetof(CPUPPCState, spr[reg]));
234 }
235
236 static inline void gen_store_spr(int reg, TCGv t)
237 {
238 tcg_gen_st_tl(t, cpu_env, offsetof(CPUPPCState, spr[reg]));
239 }
240
241 static inline void gen_set_access_type(DisasContext *ctx, int access_type)
242 {
243 if (ctx->need_access_type && ctx->access_type != access_type) {
244 tcg_gen_movi_i32(cpu_access_type, access_type);
245 ctx->access_type = access_type;
246 }
247 }
248
249 static inline void gen_update_nip(DisasContext *ctx, target_ulong nip)
250 {
251 if (NARROW_MODE(ctx)) {
252 nip = (uint32_t)nip;
253 }
254 tcg_gen_movi_tl(cpu_nip, nip);
255 }
256
257 static void gen_exception_err(DisasContext *ctx, uint32_t excp, uint32_t error)
258 {
259 TCGv_i32 t0, t1;
260
261 /*
262 * These are all synchronous exceptions, we set the PC back to the
263 * faulting instruction
264 */
265 gen_update_nip(ctx, ctx->cia);
266 t0 = tcg_constant_i32(excp);
267 t1 = tcg_constant_i32(error);
268 gen_helper_raise_exception_err(cpu_env, t0, t1);
269 ctx->base.is_jmp = DISAS_NORETURN;
270 }
271
272 static void gen_exception(DisasContext *ctx, uint32_t excp)
273 {
274 TCGv_i32 t0;
275
276 /*
277 * These are all synchronous exceptions, we set the PC back to the
278 * faulting instruction
279 */
280 gen_update_nip(ctx, ctx->cia);
281 t0 = tcg_constant_i32(excp);
282 gen_helper_raise_exception(cpu_env, t0);
283 ctx->base.is_jmp = DISAS_NORETURN;
284 }
285
286 static void gen_exception_nip(DisasContext *ctx, uint32_t excp,
287 target_ulong nip)
288 {
289 TCGv_i32 t0;
290
291 gen_update_nip(ctx, nip);
292 t0 = tcg_constant_i32(excp);
293 gen_helper_raise_exception(cpu_env, t0);
294 ctx->base.is_jmp = DISAS_NORETURN;
295 }
296
297 static void gen_icount_io_start(DisasContext *ctx)
298 {
299 if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) {
300 gen_io_start();
301 /*
302 * An I/O instruction must be last in the TB.
303 * Chain to the next TB, and let the code from gen_tb_start
304 * decide if we need to return to the main loop.
305 * Doing this first also allows this value to be overridden.
306 */
307 ctx->base.is_jmp = DISAS_TOO_MANY;
308 }
309 }
310
311 #if !defined(CONFIG_USER_ONLY)
312 static void gen_ppc_maybe_interrupt(DisasContext *ctx)
313 {
314 gen_icount_io_start(ctx);
315 gen_helper_ppc_maybe_interrupt(cpu_env);
316 }
317 #endif
318
319 /*
320 * Tells the caller what is the appropriate exception to generate and prepares
321 * SPR registers for this exception.
322 *
323 * The exception can be either POWERPC_EXCP_TRACE (on most PowerPCs) or
324 * POWERPC_EXCP_DEBUG (on BookE).
325 */
326 static uint32_t gen_prep_dbgex(DisasContext *ctx)
327 {
328 if (ctx->flags & POWERPC_FLAG_DE) {
329 target_ulong dbsr = 0;
330 if (ctx->singlestep_enabled & CPU_SINGLE_STEP) {
331 dbsr = DBCR0_ICMP;
332 } else {
333 /* Must have been branch */
334 dbsr = DBCR0_BRT;
335 }
336 TCGv t0 = tcg_temp_new();
337 gen_load_spr(t0, SPR_BOOKE_DBSR);
338 tcg_gen_ori_tl(t0, t0, dbsr);
339 gen_store_spr(SPR_BOOKE_DBSR, t0);
340 return POWERPC_EXCP_DEBUG;
341 } else {
342 return POWERPC_EXCP_TRACE;
343 }
344 }
345
346 static void gen_debug_exception(DisasContext *ctx)
347 {
348 gen_helper_raise_exception(cpu_env, tcg_constant_i32(gen_prep_dbgex(ctx)));
349 ctx->base.is_jmp = DISAS_NORETURN;
350 }
351
352 static inline void gen_inval_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_INVAL | error);
356 }
357
358 static inline void gen_priv_exception(DisasContext *ctx, uint32_t error)
359 {
360 gen_exception_err(ctx, POWERPC_EXCP_PROGRAM, POWERPC_EXCP_PRIV | error);
361 }
362
363 static inline void gen_hvpriv_exception(DisasContext *ctx, uint32_t error)
364 {
365 /* Will be converted to program check if needed */
366 gen_exception_err(ctx, POWERPC_EXCP_HV_EMU, POWERPC_EXCP_PRIV | error);
367 }
368
369 /*****************************************************************************/
370 /* SPR READ/WRITE CALLBACKS */
371
372 void spr_noaccess(DisasContext *ctx, int gprn, int sprn)
373 {
374 #if 0
375 sprn = ((sprn >> 5) & 0x1F) | ((sprn & 0x1F) << 5);
376 printf("ERROR: try to access SPR %d !\n", sprn);
377 #endif
378 }
379
380 /* #define PPC_DUMP_SPR_ACCESSES */
381
382 /*
383 * Generic callbacks:
384 * do nothing but store/retrieve spr value
385 */
386 static void spr_load_dump_spr(int sprn)
387 {
388 #ifdef PPC_DUMP_SPR_ACCESSES
389 TCGv_i32 t0 = tcg_constant_i32(sprn);
390 gen_helper_load_dump_spr(cpu_env, t0);
391 #endif
392 }
393
394 void spr_read_generic(DisasContext *ctx, int gprn, int sprn)
395 {
396 gen_load_spr(cpu_gpr[gprn], sprn);
397 spr_load_dump_spr(sprn);
398 }
399
400 static void spr_store_dump_spr(int sprn)
401 {
402 #ifdef PPC_DUMP_SPR_ACCESSES
403 TCGv_i32 t0 = tcg_constant_i32(sprn);
404 gen_helper_store_dump_spr(cpu_env, t0);
405 #endif
406 }
407
408 void spr_write_generic(DisasContext *ctx, int sprn, int gprn)
409 {
410 gen_store_spr(sprn, cpu_gpr[gprn]);
411 spr_store_dump_spr(sprn);
412 }
413
414 void spr_write_CTRL(DisasContext *ctx, int sprn, int gprn)
415 {
416 spr_write_generic(ctx, sprn, gprn);
417
418 /*
419 * SPR_CTRL writes must force a new translation block,
420 * allowing the PMU to calculate the run latch events with
421 * more accuracy.
422 */
423 ctx->base.is_jmp = DISAS_EXIT_UPDATE;
424 }
425
426 #if !defined(CONFIG_USER_ONLY)
427 void spr_write_generic32(DisasContext *ctx, int sprn, int gprn)
428 {
429 #ifdef TARGET_PPC64
430 TCGv t0 = tcg_temp_new();
431 tcg_gen_ext32u_tl(t0, cpu_gpr[gprn]);
432 gen_store_spr(sprn, t0);
433 spr_store_dump_spr(sprn);
434 #else
435 spr_write_generic(ctx, sprn, gprn);
436 #endif
437 }
438
439 void spr_write_clear(DisasContext *ctx, int sprn, int gprn)
440 {
441 TCGv t0 = tcg_temp_new();
442 TCGv t1 = tcg_temp_new();
443 gen_load_spr(t0, sprn);
444 tcg_gen_neg_tl(t1, cpu_gpr[gprn]);
445 tcg_gen_and_tl(t0, t0, t1);
446 gen_store_spr(sprn, t0);
447 }
448
449 void spr_access_nop(DisasContext *ctx, int sprn, int gprn)
450 {
451 }
452
453 #endif
454
455 /* SPR common to all PowerPC */
456 /* XER */
457 void spr_read_xer(DisasContext *ctx, int gprn, int sprn)
458 {
459 TCGv dst = cpu_gpr[gprn];
460 TCGv t0 = tcg_temp_new();
461 TCGv t1 = tcg_temp_new();
462 TCGv t2 = tcg_temp_new();
463 tcg_gen_mov_tl(dst, cpu_xer);
464 tcg_gen_shli_tl(t0, cpu_so, XER_SO);
465 tcg_gen_shli_tl(t1, cpu_ov, XER_OV);
466 tcg_gen_shli_tl(t2, cpu_ca, XER_CA);
467 tcg_gen_or_tl(t0, t0, t1);
468 tcg_gen_or_tl(dst, dst, t2);
469 tcg_gen_or_tl(dst, dst, t0);
470 if (is_isa300(ctx)) {
471 tcg_gen_shli_tl(t0, cpu_ov32, XER_OV32);
472 tcg_gen_or_tl(dst, dst, t0);
473 tcg_gen_shli_tl(t0, cpu_ca32, XER_CA32);
474 tcg_gen_or_tl(dst, dst, t0);
475 }
476 }
477
478 void spr_write_xer(DisasContext *ctx, int sprn, int gprn)
479 {
480 TCGv src = cpu_gpr[gprn];
481 /* Write all flags, while reading back check for isa300 */
482 tcg_gen_andi_tl(cpu_xer, src,
483 ~((1u << XER_SO) |
484 (1u << XER_OV) | (1u << XER_OV32) |
485 (1u << XER_CA) | (1u << XER_CA32)));
486 tcg_gen_extract_tl(cpu_ov32, src, XER_OV32, 1);
487 tcg_gen_extract_tl(cpu_ca32, src, XER_CA32, 1);
488 tcg_gen_extract_tl(cpu_so, src, XER_SO, 1);
489 tcg_gen_extract_tl(cpu_ov, src, XER_OV, 1);
490 tcg_gen_extract_tl(cpu_ca, src, XER_CA, 1);
491 }
492
493 /* LR */
494 void spr_read_lr(DisasContext *ctx, int gprn, int sprn)
495 {
496 tcg_gen_mov_tl(cpu_gpr[gprn], cpu_lr);
497 }
498
499 void spr_write_lr(DisasContext *ctx, int sprn, int gprn)
500 {
501 tcg_gen_mov_tl(cpu_lr, cpu_gpr[gprn]);
502 }
503
504 /* CFAR */
505 #if defined(TARGET_PPC64) && !defined(CONFIG_USER_ONLY)
506 void spr_read_cfar(DisasContext *ctx, int gprn, int sprn)
507 {
508 tcg_gen_mov_tl(cpu_gpr[gprn], cpu_cfar);
509 }
510
511 void spr_write_cfar(DisasContext *ctx, int sprn, int gprn)
512 {
513 tcg_gen_mov_tl(cpu_cfar, cpu_gpr[gprn]);
514 }
515 #endif /* defined(TARGET_PPC64) && !defined(CONFIG_USER_ONLY) */
516
517 /* CTR */
518 void spr_read_ctr(DisasContext *ctx, int gprn, int sprn)
519 {
520 tcg_gen_mov_tl(cpu_gpr[gprn], cpu_ctr);
521 }
522
523 void spr_write_ctr(DisasContext *ctx, int sprn, int gprn)
524 {
525 tcg_gen_mov_tl(cpu_ctr, cpu_gpr[gprn]);
526 }
527
528 /* User read access to SPR */
529 /* USPRx */
530 /* UMMCRx */
531 /* UPMCx */
532 /* USIA */
533 /* UDECR */
534 void spr_read_ureg(DisasContext *ctx, int gprn, int sprn)
535 {
536 gen_load_spr(cpu_gpr[gprn], sprn + 0x10);
537 }
538
539 #if defined(TARGET_PPC64) && !defined(CONFIG_USER_ONLY)
540 void spr_write_ureg(DisasContext *ctx, int sprn, int gprn)
541 {
542 gen_store_spr(sprn + 0x10, cpu_gpr[gprn]);
543 }
544 #endif
545
546 /* SPR common to all non-embedded PowerPC */
547 /* DECR */
548 #if !defined(CONFIG_USER_ONLY)
549 void spr_read_decr(DisasContext *ctx, int gprn, int sprn)
550 {
551 gen_icount_io_start(ctx);
552 gen_helper_load_decr(cpu_gpr[gprn], cpu_env);
553 }
554
555 void spr_write_decr(DisasContext *ctx, int sprn, int gprn)
556 {
557 gen_icount_io_start(ctx);
558 gen_helper_store_decr(cpu_env, cpu_gpr[gprn]);
559 }
560 #endif
561
562 /* SPR common to all non-embedded PowerPC, except 601 */
563 /* Time base */
564 void spr_read_tbl(DisasContext *ctx, int gprn, int sprn)
565 {
566 gen_icount_io_start(ctx);
567 gen_helper_load_tbl(cpu_gpr[gprn], cpu_env);
568 }
569
570 void spr_read_tbu(DisasContext *ctx, int gprn, int sprn)
571 {
572 gen_icount_io_start(ctx);
573 gen_helper_load_tbu(cpu_gpr[gprn], cpu_env);
574 }
575
576 void spr_read_atbl(DisasContext *ctx, int gprn, int sprn)
577 {
578 gen_helper_load_atbl(cpu_gpr[gprn], cpu_env);
579 }
580
581 void spr_read_atbu(DisasContext *ctx, int gprn, int sprn)
582 {
583 gen_helper_load_atbu(cpu_gpr[gprn], cpu_env);
584 }
585
586 #if !defined(CONFIG_USER_ONLY)
587 void spr_write_tbl(DisasContext *ctx, int sprn, int gprn)
588 {
589 gen_icount_io_start(ctx);
590 gen_helper_store_tbl(cpu_env, cpu_gpr[gprn]);
591 }
592
593 void spr_write_tbu(DisasContext *ctx, int sprn, int gprn)
594 {
595 gen_icount_io_start(ctx);
596 gen_helper_store_tbu(cpu_env, cpu_gpr[gprn]);
597 }
598
599 void spr_write_atbl(DisasContext *ctx, int sprn, int gprn)
600 {
601 gen_helper_store_atbl(cpu_env, cpu_gpr[gprn]);
602 }
603
604 void spr_write_atbu(DisasContext *ctx, int sprn, int gprn)
605 {
606 gen_helper_store_atbu(cpu_env, cpu_gpr[gprn]);
607 }
608
609 #if defined(TARGET_PPC64)
610 void spr_read_purr(DisasContext *ctx, int gprn, int sprn)
611 {
612 gen_icount_io_start(ctx);
613 gen_helper_load_purr(cpu_gpr[gprn], cpu_env);
614 }
615
616 void spr_write_purr(DisasContext *ctx, int sprn, int gprn)
617 {
618 gen_icount_io_start(ctx);
619 gen_helper_store_purr(cpu_env, cpu_gpr[gprn]);
620 }
621
622 /* HDECR */
623 void spr_read_hdecr(DisasContext *ctx, int gprn, int sprn)
624 {
625 gen_icount_io_start(ctx);
626 gen_helper_load_hdecr(cpu_gpr[gprn], cpu_env);
627 }
628
629 void spr_write_hdecr(DisasContext *ctx, int sprn, int gprn)
630 {
631 gen_icount_io_start(ctx);
632 gen_helper_store_hdecr(cpu_env, cpu_gpr[gprn]);
633 }
634
635 void spr_read_vtb(DisasContext *ctx, int gprn, int sprn)
636 {
637 gen_icount_io_start(ctx);
638 gen_helper_load_vtb(cpu_gpr[gprn], cpu_env);
639 }
640
641 void spr_write_vtb(DisasContext *ctx, int sprn, int gprn)
642 {
643 gen_icount_io_start(ctx);
644 gen_helper_store_vtb(cpu_env, cpu_gpr[gprn]);
645 }
646
647 void spr_write_tbu40(DisasContext *ctx, int sprn, int gprn)
648 {
649 gen_icount_io_start(ctx);
650 gen_helper_store_tbu40(cpu_env, cpu_gpr[gprn]);
651 }
652
653 #endif
654 #endif
655
656 #if !defined(CONFIG_USER_ONLY)
657 /* IBAT0U...IBAT0U */
658 /* IBAT0L...IBAT7L */
659 void spr_read_ibat(DisasContext *ctx, int gprn, int sprn)
660 {
661 tcg_gen_ld_tl(cpu_gpr[gprn], cpu_env,
662 offsetof(CPUPPCState,
663 IBAT[sprn & 1][(sprn - SPR_IBAT0U) / 2]));
664 }
665
666 void spr_read_ibat_h(DisasContext *ctx, int gprn, int sprn)
667 {
668 tcg_gen_ld_tl(cpu_gpr[gprn], cpu_env,
669 offsetof(CPUPPCState,
670 IBAT[sprn & 1][((sprn - SPR_IBAT4U) / 2) + 4]));
671 }
672
673 void spr_write_ibatu(DisasContext *ctx, int sprn, int gprn)
674 {
675 TCGv_i32 t0 = tcg_constant_i32((sprn - SPR_IBAT0U) / 2);
676 gen_helper_store_ibatu(cpu_env, t0, cpu_gpr[gprn]);
677 }
678
679 void spr_write_ibatu_h(DisasContext *ctx, int sprn, int gprn)
680 {
681 TCGv_i32 t0 = tcg_constant_i32(((sprn - SPR_IBAT4U) / 2) + 4);
682 gen_helper_store_ibatu(cpu_env, t0, cpu_gpr[gprn]);
683 }
684
685 void spr_write_ibatl(DisasContext *ctx, int sprn, int gprn)
686 {
687 TCGv_i32 t0 = tcg_constant_i32((sprn - SPR_IBAT0L) / 2);
688 gen_helper_store_ibatl(cpu_env, t0, cpu_gpr[gprn]);
689 }
690
691 void spr_write_ibatl_h(DisasContext *ctx, int sprn, int gprn)
692 {
693 TCGv_i32 t0 = tcg_constant_i32(((sprn - SPR_IBAT4L) / 2) + 4);
694 gen_helper_store_ibatl(cpu_env, t0, cpu_gpr[gprn]);
695 }
696
697 /* DBAT0U...DBAT7U */
698 /* DBAT0L...DBAT7L */
699 void spr_read_dbat(DisasContext *ctx, int gprn, int sprn)
700 {
701 tcg_gen_ld_tl(cpu_gpr[gprn], cpu_env,
702 offsetof(CPUPPCState,
703 DBAT[sprn & 1][(sprn - SPR_DBAT0U) / 2]));
704 }
705
706 void spr_read_dbat_h(DisasContext *ctx, int gprn, int sprn)
707 {
708 tcg_gen_ld_tl(cpu_gpr[gprn], cpu_env,
709 offsetof(CPUPPCState,
710 DBAT[sprn & 1][((sprn - SPR_DBAT4U) / 2) + 4]));
711 }
712
713 void spr_write_dbatu(DisasContext *ctx, int sprn, int gprn)
714 {
715 TCGv_i32 t0 = tcg_constant_i32((sprn - SPR_DBAT0U) / 2);
716 gen_helper_store_dbatu(cpu_env, t0, cpu_gpr[gprn]);
717 }
718
719 void spr_write_dbatu_h(DisasContext *ctx, int sprn, int gprn)
720 {
721 TCGv_i32 t0 = tcg_constant_i32(((sprn - SPR_DBAT4U) / 2) + 4);
722 gen_helper_store_dbatu(cpu_env, t0, cpu_gpr[gprn]);
723 }
724
725 void spr_write_dbatl(DisasContext *ctx, int sprn, int gprn)
726 {
727 TCGv_i32 t0 = tcg_constant_i32((sprn - SPR_DBAT0L) / 2);
728 gen_helper_store_dbatl(cpu_env, t0, cpu_gpr[gprn]);
729 }
730
731 void spr_write_dbatl_h(DisasContext *ctx, int sprn, int gprn)
732 {
733 TCGv_i32 t0 = tcg_constant_i32(((sprn - SPR_DBAT4L) / 2) + 4);
734 gen_helper_store_dbatl(cpu_env, t0, cpu_gpr[gprn]);
735 }
736
737 /* SDR1 */
738 void spr_write_sdr1(DisasContext *ctx, int sprn, int gprn)
739 {
740 gen_helper_store_sdr1(cpu_env, cpu_gpr[gprn]);
741 }
742
743 #if defined(TARGET_PPC64)
744 /* 64 bits PowerPC specific SPRs */
745 /* PIDR */
746 void spr_write_pidr(DisasContext *ctx, int sprn, int gprn)
747 {
748 gen_helper_store_pidr(cpu_env, cpu_gpr[gprn]);
749 }
750
751 void spr_write_lpidr(DisasContext *ctx, int sprn, int gprn)
752 {
753 gen_helper_store_lpidr(cpu_env, cpu_gpr[gprn]);
754 }
755
756 void spr_read_hior(DisasContext *ctx, int gprn, int sprn)
757 {
758 tcg_gen_ld_tl(cpu_gpr[gprn], cpu_env, offsetof(CPUPPCState, excp_prefix));
759 }
760
761 void spr_write_hior(DisasContext *ctx, int sprn, int gprn)
762 {
763 TCGv t0 = tcg_temp_new();
764 tcg_gen_andi_tl(t0, cpu_gpr[gprn], 0x3FFFFF00000ULL);
765 tcg_gen_st_tl(t0, cpu_env, offsetof(CPUPPCState, excp_prefix));
766 }
767 void spr_write_ptcr(DisasContext *ctx, int sprn, int gprn)
768 {
769 gen_helper_store_ptcr(cpu_env, cpu_gpr[gprn]);
770 }
771
772 void spr_write_pcr(DisasContext *ctx, int sprn, int gprn)
773 {
774 gen_helper_store_pcr(cpu_env, cpu_gpr[gprn]);
775 }
776
777 /* DPDES */
778 void spr_read_dpdes(DisasContext *ctx, int gprn, int sprn)
779 {
780 gen_helper_load_dpdes(cpu_gpr[gprn], cpu_env);
781 }
782
783 void spr_write_dpdes(DisasContext *ctx, int sprn, int gprn)
784 {
785 gen_helper_store_dpdes(cpu_env, cpu_gpr[gprn]);
786 }
787 #endif
788 #endif
789
790 /* PowerPC 40x specific registers */
791 #if !defined(CONFIG_USER_ONLY)
792 void spr_read_40x_pit(DisasContext *ctx, int gprn, int sprn)
793 {
794 gen_icount_io_start(ctx);
795 gen_helper_load_40x_pit(cpu_gpr[gprn], cpu_env);
796 }
797
798 void spr_write_40x_pit(DisasContext *ctx, int sprn, int gprn)
799 {
800 gen_icount_io_start(ctx);
801 gen_helper_store_40x_pit(cpu_env, cpu_gpr[gprn]);
802 }
803
804 void spr_write_40x_dbcr0(DisasContext *ctx, int sprn, int gprn)
805 {
806 gen_icount_io_start(ctx);
807 gen_store_spr(sprn, cpu_gpr[gprn]);
808 gen_helper_store_40x_dbcr0(cpu_env, cpu_gpr[gprn]);
809 /* We must stop translation as we may have rebooted */
810 ctx->base.is_jmp = DISAS_EXIT_UPDATE;
811 }
812
813 void spr_write_40x_sler(DisasContext *ctx, int sprn, int gprn)
814 {
815 gen_icount_io_start(ctx);
816 gen_helper_store_40x_sler(cpu_env, cpu_gpr[gprn]);
817 }
818
819 void spr_write_40x_tcr(DisasContext *ctx, int sprn, int gprn)
820 {
821 gen_icount_io_start(ctx);
822 gen_helper_store_40x_tcr(cpu_env, cpu_gpr[gprn]);
823 }
824
825 void spr_write_40x_tsr(DisasContext *ctx, int sprn, int gprn)
826 {
827 gen_icount_io_start(ctx);
828 gen_helper_store_40x_tsr(cpu_env, cpu_gpr[gprn]);
829 }
830
831 void spr_write_40x_pid(DisasContext *ctx, int sprn, int gprn)
832 {
833 TCGv t0 = tcg_temp_new();
834 tcg_gen_andi_tl(t0, cpu_gpr[gprn], 0xFF);
835 gen_helper_store_40x_pid(cpu_env, t0);
836 }
837
838 void spr_write_booke_tcr(DisasContext *ctx, int sprn, int gprn)
839 {
840 gen_icount_io_start(ctx);
841 gen_helper_store_booke_tcr(cpu_env, cpu_gpr[gprn]);
842 }
843
844 void spr_write_booke_tsr(DisasContext *ctx, int sprn, int gprn)
845 {
846 gen_icount_io_start(ctx);
847 gen_helper_store_booke_tsr(cpu_env, cpu_gpr[gprn]);
848 }
849 #endif
850
851 /* PIR */
852 #if !defined(CONFIG_USER_ONLY)
853 void spr_write_pir(DisasContext *ctx, int sprn, int gprn)
854 {
855 TCGv t0 = tcg_temp_new();
856 tcg_gen_andi_tl(t0, cpu_gpr[gprn], 0xF);
857 gen_store_spr(SPR_PIR, t0);
858 }
859 #endif
860
861 /* SPE specific registers */
862 void spr_read_spefscr(DisasContext *ctx, int gprn, int sprn)
863 {
864 TCGv_i32 t0 = tcg_temp_new_i32();
865 tcg_gen_ld_i32(t0, cpu_env, offsetof(CPUPPCState, spe_fscr));
866 tcg_gen_extu_i32_tl(cpu_gpr[gprn], t0);
867 }
868
869 void spr_write_spefscr(DisasContext *ctx, int sprn, int gprn)
870 {
871 TCGv_i32 t0 = tcg_temp_new_i32();
872 tcg_gen_trunc_tl_i32(t0, cpu_gpr[gprn]);
873 tcg_gen_st_i32(t0, cpu_env, offsetof(CPUPPCState, spe_fscr));
874 }
875
876 #if !defined(CONFIG_USER_ONLY)
877 /* Callback used to write the exception vector base */
878 void spr_write_excp_prefix(DisasContext *ctx, int sprn, int gprn)
879 {
880 TCGv t0 = tcg_temp_new();
881 tcg_gen_ld_tl(t0, cpu_env, offsetof(CPUPPCState, ivpr_mask));
882 tcg_gen_and_tl(t0, t0, cpu_gpr[gprn]);
883 tcg_gen_st_tl(t0, cpu_env, offsetof(CPUPPCState, excp_prefix));
884 gen_store_spr(sprn, t0);
885 }
886
887 void spr_write_excp_vector(DisasContext *ctx, int sprn, int gprn)
888 {
889 int sprn_offs;
890
891 if (sprn >= SPR_BOOKE_IVOR0 && sprn <= SPR_BOOKE_IVOR15) {
892 sprn_offs = sprn - SPR_BOOKE_IVOR0;
893 } else if (sprn >= SPR_BOOKE_IVOR32 && sprn <= SPR_BOOKE_IVOR37) {
894 sprn_offs = sprn - SPR_BOOKE_IVOR32 + 32;
895 } else if (sprn >= SPR_BOOKE_IVOR38 && sprn <= SPR_BOOKE_IVOR42) {
896 sprn_offs = sprn - SPR_BOOKE_IVOR38 + 38;
897 } else {
898 qemu_log_mask(LOG_GUEST_ERROR, "Trying to write an unknown exception"
899 " vector 0x%03x\n", sprn);
900 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
901 return;
902 }
903
904 TCGv t0 = tcg_temp_new();
905 tcg_gen_ld_tl(t0, cpu_env, offsetof(CPUPPCState, ivor_mask));
906 tcg_gen_and_tl(t0, t0, cpu_gpr[gprn]);
907 tcg_gen_st_tl(t0, cpu_env, offsetof(CPUPPCState, excp_vectors[sprn_offs]));
908 gen_store_spr(sprn, t0);
909 }
910 #endif
911
912 #ifdef TARGET_PPC64
913 #ifndef CONFIG_USER_ONLY
914 void spr_write_amr(DisasContext *ctx, int sprn, int gprn)
915 {
916 TCGv t0 = tcg_temp_new();
917 TCGv t1 = tcg_temp_new();
918 TCGv t2 = tcg_temp_new();
919
920 /*
921 * Note, the HV=1 PR=0 case is handled earlier by simply using
922 * spr_write_generic for HV mode in the SPR table
923 */
924
925 /* Build insertion mask into t1 based on context */
926 if (ctx->pr) {
927 gen_load_spr(t1, SPR_UAMOR);
928 } else {
929 gen_load_spr(t1, SPR_AMOR);
930 }
931
932 /* Mask new bits into t2 */
933 tcg_gen_and_tl(t2, t1, cpu_gpr[gprn]);
934
935 /* Load AMR and clear new bits in t0 */
936 gen_load_spr(t0, SPR_AMR);
937 tcg_gen_andc_tl(t0, t0, t1);
938
939 /* Or'in new bits and write it out */
940 tcg_gen_or_tl(t0, t0, t2);
941 gen_store_spr(SPR_AMR, t0);
942 spr_store_dump_spr(SPR_AMR);
943 }
944
945 void spr_write_uamor(DisasContext *ctx, int sprn, int gprn)
946 {
947 TCGv t0 = tcg_temp_new();
948 TCGv t1 = tcg_temp_new();
949 TCGv t2 = tcg_temp_new();
950
951 /*
952 * Note, the HV=1 case is handled earlier by simply using
953 * spr_write_generic for HV mode in the SPR table
954 */
955
956 /* Build insertion mask into t1 based on context */
957 gen_load_spr(t1, SPR_AMOR);
958
959 /* Mask new bits into t2 */
960 tcg_gen_and_tl(t2, t1, cpu_gpr[gprn]);
961
962 /* Load AMR and clear new bits in t0 */
963 gen_load_spr(t0, SPR_UAMOR);
964 tcg_gen_andc_tl(t0, t0, t1);
965
966 /* Or'in new bits and write it out */
967 tcg_gen_or_tl(t0, t0, t2);
968 gen_store_spr(SPR_UAMOR, t0);
969 spr_store_dump_spr(SPR_UAMOR);
970 }
971
972 void spr_write_iamr(DisasContext *ctx, int sprn, int gprn)
973 {
974 TCGv t0 = tcg_temp_new();
975 TCGv t1 = tcg_temp_new();
976 TCGv t2 = tcg_temp_new();
977
978 /*
979 * Note, the HV=1 case is handled earlier by simply using
980 * spr_write_generic for HV mode in the SPR table
981 */
982
983 /* Build insertion mask into t1 based on context */
984 gen_load_spr(t1, SPR_AMOR);
985
986 /* Mask new bits into t2 */
987 tcg_gen_and_tl(t2, t1, cpu_gpr[gprn]);
988
989 /* Load AMR and clear new bits in t0 */
990 gen_load_spr(t0, SPR_IAMR);
991 tcg_gen_andc_tl(t0, t0, t1);
992
993 /* Or'in new bits and write it out */
994 tcg_gen_or_tl(t0, t0, t2);
995 gen_store_spr(SPR_IAMR, t0);
996 spr_store_dump_spr(SPR_IAMR);
997 }
998 #endif
999 #endif
1000
1001 #ifndef CONFIG_USER_ONLY
1002 void spr_read_thrm(DisasContext *ctx, int gprn, int sprn)
1003 {
1004 gen_helper_fixup_thrm(cpu_env);
1005 gen_load_spr(cpu_gpr[gprn], sprn);
1006 spr_load_dump_spr(sprn);
1007 }
1008 #endif /* !CONFIG_USER_ONLY */
1009
1010 #if !defined(CONFIG_USER_ONLY)
1011 void spr_write_e500_l1csr0(DisasContext *ctx, int sprn, int gprn)
1012 {
1013 TCGv t0 = tcg_temp_new();
1014
1015 tcg_gen_andi_tl(t0, cpu_gpr[gprn], L1CSR0_DCE | L1CSR0_CPE);
1016 gen_store_spr(sprn, t0);
1017 }
1018
1019 void spr_write_e500_l1csr1(DisasContext *ctx, int sprn, int gprn)
1020 {
1021 TCGv t0 = tcg_temp_new();
1022
1023 tcg_gen_andi_tl(t0, cpu_gpr[gprn], L1CSR1_ICE | L1CSR1_CPE);
1024 gen_store_spr(sprn, t0);
1025 }
1026
1027 void spr_write_e500_l2csr0(DisasContext *ctx, int sprn, int gprn)
1028 {
1029 TCGv t0 = tcg_temp_new();
1030
1031 tcg_gen_andi_tl(t0, cpu_gpr[gprn],
1032 ~(E500_L2CSR0_L2FI | E500_L2CSR0_L2FL | E500_L2CSR0_L2LFC));
1033 gen_store_spr(sprn, t0);
1034 }
1035
1036 void spr_write_booke206_mmucsr0(DisasContext *ctx, int sprn, int gprn)
1037 {
1038 gen_helper_booke206_tlbflush(cpu_env, cpu_gpr[gprn]);
1039 }
1040
1041 void spr_write_booke_pid(DisasContext *ctx, int sprn, int gprn)
1042 {
1043 TCGv_i32 t0 = tcg_constant_i32(sprn);
1044 gen_helper_booke_setpid(cpu_env, t0, cpu_gpr[gprn]);
1045 }
1046
1047 void spr_write_eplc(DisasContext *ctx, int sprn, int gprn)
1048 {
1049 gen_helper_booke_set_eplc(cpu_env, cpu_gpr[gprn]);
1050 }
1051
1052 void spr_write_epsc(DisasContext *ctx, int sprn, int gprn)
1053 {
1054 gen_helper_booke_set_epsc(cpu_env, cpu_gpr[gprn]);
1055 }
1056
1057 #endif
1058
1059 #if !defined(CONFIG_USER_ONLY)
1060 void spr_write_mas73(DisasContext *ctx, int sprn, int gprn)
1061 {
1062 TCGv val = tcg_temp_new();
1063 tcg_gen_ext32u_tl(val, cpu_gpr[gprn]);
1064 gen_store_spr(SPR_BOOKE_MAS3, val);
1065 tcg_gen_shri_tl(val, cpu_gpr[gprn], 32);
1066 gen_store_spr(SPR_BOOKE_MAS7, val);
1067 }
1068
1069 void spr_read_mas73(DisasContext *ctx, int gprn, int sprn)
1070 {
1071 TCGv mas7 = tcg_temp_new();
1072 TCGv mas3 = tcg_temp_new();
1073 gen_load_spr(mas7, SPR_BOOKE_MAS7);
1074 tcg_gen_shli_tl(mas7, mas7, 32);
1075 gen_load_spr(mas3, SPR_BOOKE_MAS3);
1076 tcg_gen_or_tl(cpu_gpr[gprn], mas3, mas7);
1077 }
1078
1079 #endif
1080
1081 #ifdef TARGET_PPC64
1082 static void gen_fscr_facility_check(DisasContext *ctx, int facility_sprn,
1083 int bit, int sprn, int cause)
1084 {
1085 TCGv_i32 t1 = tcg_constant_i32(bit);
1086 TCGv_i32 t2 = tcg_constant_i32(sprn);
1087 TCGv_i32 t3 = tcg_constant_i32(cause);
1088
1089 gen_helper_fscr_facility_check(cpu_env, t1, t2, t3);
1090 }
1091
1092 static void gen_msr_facility_check(DisasContext *ctx, int facility_sprn,
1093 int bit, int sprn, int cause)
1094 {
1095 TCGv_i32 t1 = tcg_constant_i32(bit);
1096 TCGv_i32 t2 = tcg_constant_i32(sprn);
1097 TCGv_i32 t3 = tcg_constant_i32(cause);
1098
1099 gen_helper_msr_facility_check(cpu_env, t1, t2, t3);
1100 }
1101
1102 void spr_read_prev_upper32(DisasContext *ctx, int gprn, int sprn)
1103 {
1104 TCGv spr_up = tcg_temp_new();
1105 TCGv spr = tcg_temp_new();
1106
1107 gen_load_spr(spr, sprn - 1);
1108 tcg_gen_shri_tl(spr_up, spr, 32);
1109 tcg_gen_ext32u_tl(cpu_gpr[gprn], spr_up);
1110 }
1111
1112 void spr_write_prev_upper32(DisasContext *ctx, int sprn, int gprn)
1113 {
1114 TCGv spr = tcg_temp_new();
1115
1116 gen_load_spr(spr, sprn - 1);
1117 tcg_gen_deposit_tl(spr, spr, cpu_gpr[gprn], 32, 32);
1118 gen_store_spr(sprn - 1, spr);
1119 }
1120
1121 #if !defined(CONFIG_USER_ONLY)
1122 void spr_write_hmer(DisasContext *ctx, int sprn, int gprn)
1123 {
1124 TCGv hmer = tcg_temp_new();
1125
1126 gen_load_spr(hmer, sprn);
1127 tcg_gen_and_tl(hmer, cpu_gpr[gprn], hmer);
1128 gen_store_spr(sprn, hmer);
1129 spr_store_dump_spr(sprn);
1130 }
1131
1132 void spr_write_lpcr(DisasContext *ctx, int sprn, int gprn)
1133 {
1134 gen_helper_store_lpcr(cpu_env, cpu_gpr[gprn]);
1135 }
1136 #endif /* !defined(CONFIG_USER_ONLY) */
1137
1138 void spr_read_tar(DisasContext *ctx, int gprn, int sprn)
1139 {
1140 gen_fscr_facility_check(ctx, SPR_FSCR, FSCR_TAR, sprn, FSCR_IC_TAR);
1141 spr_read_generic(ctx, gprn, sprn);
1142 }
1143
1144 void spr_write_tar(DisasContext *ctx, int sprn, int gprn)
1145 {
1146 gen_fscr_facility_check(ctx, SPR_FSCR, FSCR_TAR, sprn, FSCR_IC_TAR);
1147 spr_write_generic(ctx, sprn, gprn);
1148 }
1149
1150 void spr_read_tm(DisasContext *ctx, int gprn, int sprn)
1151 {
1152 gen_msr_facility_check(ctx, SPR_FSCR, MSR_TM, sprn, FSCR_IC_TM);
1153 spr_read_generic(ctx, gprn, sprn);
1154 }
1155
1156 void spr_write_tm(DisasContext *ctx, int sprn, int gprn)
1157 {
1158 gen_msr_facility_check(ctx, SPR_FSCR, MSR_TM, sprn, FSCR_IC_TM);
1159 spr_write_generic(ctx, sprn, gprn);
1160 }
1161
1162 void spr_read_tm_upper32(DisasContext *ctx, int gprn, int sprn)
1163 {
1164 gen_msr_facility_check(ctx, SPR_FSCR, MSR_TM, sprn, FSCR_IC_TM);
1165 spr_read_prev_upper32(ctx, gprn, sprn);
1166 }
1167
1168 void spr_write_tm_upper32(DisasContext *ctx, int sprn, int gprn)
1169 {
1170 gen_msr_facility_check(ctx, SPR_FSCR, MSR_TM, sprn, FSCR_IC_TM);
1171 spr_write_prev_upper32(ctx, sprn, gprn);
1172 }
1173
1174 void spr_read_ebb(DisasContext *ctx, int gprn, int sprn)
1175 {
1176 gen_fscr_facility_check(ctx, SPR_FSCR, FSCR_EBB, sprn, FSCR_IC_EBB);
1177 spr_read_generic(ctx, gprn, sprn);
1178 }
1179
1180 void spr_write_ebb(DisasContext *ctx, int sprn, int gprn)
1181 {
1182 gen_fscr_facility_check(ctx, SPR_FSCR, FSCR_EBB, sprn, FSCR_IC_EBB);
1183 spr_write_generic(ctx, sprn, gprn);
1184 }
1185
1186 void spr_read_ebb_upper32(DisasContext *ctx, int gprn, int sprn)
1187 {
1188 gen_fscr_facility_check(ctx, SPR_FSCR, FSCR_EBB, sprn, FSCR_IC_EBB);
1189 spr_read_prev_upper32(ctx, gprn, sprn);
1190 }
1191
1192 void spr_write_ebb_upper32(DisasContext *ctx, int sprn, int gprn)
1193 {
1194 gen_fscr_facility_check(ctx, SPR_FSCR, FSCR_EBB, sprn, FSCR_IC_EBB);
1195 spr_write_prev_upper32(ctx, sprn, gprn);
1196 }
1197
1198 void spr_read_dexcr_ureg(DisasContext *ctx, int gprn, int sprn)
1199 {
1200 TCGv t0 = tcg_temp_new();
1201
1202 /*
1203 * Access to the (H)DEXCR in problem state is done using separated
1204 * SPR indexes which are 16 below the SPR indexes which have full
1205 * access to the (H)DEXCR in privileged state. Problem state can
1206 * only read bits 32:63, bits 0:31 return 0.
1207 *
1208 * See section 9.3.1-9.3.2 of PowerISA v3.1B
1209 */
1210
1211 gen_load_spr(t0, sprn + 16);
1212 tcg_gen_ext32u_tl(cpu_gpr[gprn], t0);
1213 }
1214 #endif
1215
1216 #define GEN_HANDLER(name, opc1, opc2, opc3, inval, type) \
1217 GEN_OPCODE(name, opc1, opc2, opc3, inval, type, PPC_NONE)
1218
1219 #define GEN_HANDLER_E(name, opc1, opc2, opc3, inval, type, type2) \
1220 GEN_OPCODE(name, opc1, opc2, opc3, inval, type, type2)
1221
1222 #define GEN_HANDLER2(name, onam, opc1, opc2, opc3, inval, type) \
1223 GEN_OPCODE2(name, onam, opc1, opc2, opc3, inval, type, PPC_NONE)
1224
1225 #define GEN_HANDLER2_E(name, onam, opc1, opc2, opc3, inval, type, type2) \
1226 GEN_OPCODE2(name, onam, opc1, opc2, opc3, inval, type, type2)
1227
1228 #define GEN_HANDLER_E_2(name, opc1, opc2, opc3, opc4, inval, type, type2) \
1229 GEN_OPCODE3(name, opc1, opc2, opc3, opc4, inval, type, type2)
1230
1231 #define GEN_HANDLER2_E_2(name, onam, opc1, opc2, opc3, opc4, inval, typ, typ2) \
1232 GEN_OPCODE4(name, onam, opc1, opc2, opc3, opc4, inval, typ, typ2)
1233
1234 typedef struct opcode_t {
1235 unsigned char opc1, opc2, opc3, opc4;
1236 #if HOST_LONG_BITS == 64 /* Explicitly align to 64 bits */
1237 unsigned char pad[4];
1238 #endif
1239 opc_handler_t handler;
1240 const char *oname;
1241 } opcode_t;
1242
1243 static void gen_priv_opc(DisasContext *ctx)
1244 {
1245 gen_priv_exception(ctx, POWERPC_EXCP_PRIV_OPC);
1246 }
1247
1248 /* Helpers for priv. check */
1249 #define GEN_PRIV(CTX) \
1250 do { \
1251 gen_priv_opc(CTX); return; \
1252 } while (0)
1253
1254 #if defined(CONFIG_USER_ONLY)
1255 #define CHK_HV(CTX) GEN_PRIV(CTX)
1256 #define CHK_SV(CTX) GEN_PRIV(CTX)
1257 #define CHK_HVRM(CTX) GEN_PRIV(CTX)
1258 #else
1259 #define CHK_HV(CTX) \
1260 do { \
1261 if (unlikely(ctx->pr || !ctx->hv)) {\
1262 GEN_PRIV(CTX); \
1263 } \
1264 } while (0)
1265 #define CHK_SV(CTX) \
1266 do { \
1267 if (unlikely(ctx->pr)) { \
1268 GEN_PRIV(CTX); \
1269 } \
1270 } while (0)
1271 #define CHK_HVRM(CTX) \
1272 do { \
1273 if (unlikely(ctx->pr || !ctx->hv || ctx->dr)) { \
1274 GEN_PRIV(CTX); \
1275 } \
1276 } while (0)
1277 #endif
1278
1279 #define CHK_NONE(CTX)
1280
1281 /*****************************************************************************/
1282 /* PowerPC instructions table */
1283
1284 #define GEN_OPCODE(name, op1, op2, op3, invl, _typ, _typ2) \
1285 { \
1286 .opc1 = op1, \
1287 .opc2 = op2, \
1288 .opc3 = op3, \
1289 .opc4 = 0xff, \
1290 .handler = { \
1291 .inval1 = invl, \
1292 .type = _typ, \
1293 .type2 = _typ2, \
1294 .handler = &gen_##name, \
1295 }, \
1296 .oname = stringify(name), \
1297 }
1298 #define GEN_OPCODE_DUAL(name, op1, op2, op3, invl1, invl2, _typ, _typ2) \
1299 { \
1300 .opc1 = op1, \
1301 .opc2 = op2, \
1302 .opc3 = op3, \
1303 .opc4 = 0xff, \
1304 .handler = { \
1305 .inval1 = invl1, \
1306 .inval2 = invl2, \
1307 .type = _typ, \
1308 .type2 = _typ2, \
1309 .handler = &gen_##name, \
1310 }, \
1311 .oname = stringify(name), \
1312 }
1313 #define GEN_OPCODE2(name, onam, op1, op2, op3, invl, _typ, _typ2) \
1314 { \
1315 .opc1 = op1, \
1316 .opc2 = op2, \
1317 .opc3 = op3, \
1318 .opc4 = 0xff, \
1319 .handler = { \
1320 .inval1 = invl, \
1321 .type = _typ, \
1322 .type2 = _typ2, \
1323 .handler = &gen_##name, \
1324 }, \
1325 .oname = onam, \
1326 }
1327 #define GEN_OPCODE3(name, op1, op2, op3, op4, invl, _typ, _typ2) \
1328 { \
1329 .opc1 = op1, \
1330 .opc2 = op2, \
1331 .opc3 = op3, \
1332 .opc4 = op4, \
1333 .handler = { \
1334 .inval1 = invl, \
1335 .type = _typ, \
1336 .type2 = _typ2, \
1337 .handler = &gen_##name, \
1338 }, \
1339 .oname = stringify(name), \
1340 }
1341 #define GEN_OPCODE4(name, onam, op1, op2, op3, op4, invl, _typ, _typ2) \
1342 { \
1343 .opc1 = op1, \
1344 .opc2 = op2, \
1345 .opc3 = op3, \
1346 .opc4 = op4, \
1347 .handler = { \
1348 .inval1 = invl, \
1349 .type = _typ, \
1350 .type2 = _typ2, \
1351 .handler = &gen_##name, \
1352 }, \
1353 .oname = onam, \
1354 }
1355
1356 /* Invalid instruction */
1357 static void gen_invalid(DisasContext *ctx)
1358 {
1359 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
1360 }
1361
1362 static opc_handler_t invalid_handler = {
1363 .inval1 = 0xFFFFFFFF,
1364 .inval2 = 0xFFFFFFFF,
1365 .type = PPC_NONE,
1366 .type2 = PPC_NONE,
1367 .handler = gen_invalid,
1368 };
1369
1370 /*** Integer comparison ***/
1371
1372 static inline void gen_op_cmp(TCGv arg0, TCGv arg1, int s, int crf)
1373 {
1374 TCGv t0 = tcg_temp_new();
1375 TCGv t1 = tcg_temp_new();
1376 TCGv_i32 t = tcg_temp_new_i32();
1377
1378 tcg_gen_movi_tl(t0, CRF_EQ);
1379 tcg_gen_movi_tl(t1, CRF_LT);
1380 tcg_gen_movcond_tl((s ? TCG_COND_LT : TCG_COND_LTU),
1381 t0, arg0, arg1, t1, t0);
1382 tcg_gen_movi_tl(t1, CRF_GT);
1383 tcg_gen_movcond_tl((s ? TCG_COND_GT : TCG_COND_GTU),
1384 t0, arg0, arg1, t1, t0);
1385
1386 tcg_gen_trunc_tl_i32(t, t0);
1387 tcg_gen_trunc_tl_i32(cpu_crf[crf], cpu_so);
1388 tcg_gen_or_i32(cpu_crf[crf], cpu_crf[crf], t);
1389 }
1390
1391 static inline void gen_op_cmpi(TCGv arg0, target_ulong arg1, int s, int crf)
1392 {
1393 TCGv t0 = tcg_constant_tl(arg1);
1394 gen_op_cmp(arg0, t0, s, crf);
1395 }
1396
1397 static inline void gen_op_cmp32(TCGv arg0, TCGv arg1, int s, int crf)
1398 {
1399 TCGv t0, t1;
1400 t0 = tcg_temp_new();
1401 t1 = tcg_temp_new();
1402 if (s) {
1403 tcg_gen_ext32s_tl(t0, arg0);
1404 tcg_gen_ext32s_tl(t1, arg1);
1405 } else {
1406 tcg_gen_ext32u_tl(t0, arg0);
1407 tcg_gen_ext32u_tl(t1, arg1);
1408 }
1409 gen_op_cmp(t0, t1, s, crf);
1410 }
1411
1412 static inline void gen_op_cmpi32(TCGv arg0, target_ulong arg1, int s, int crf)
1413 {
1414 TCGv t0 = tcg_constant_tl(arg1);
1415 gen_op_cmp32(arg0, t0, s, crf);
1416 }
1417
1418 static inline void gen_set_Rc0(DisasContext *ctx, TCGv reg)
1419 {
1420 if (NARROW_MODE(ctx)) {
1421 gen_op_cmpi32(reg, 0, 1, 0);
1422 } else {
1423 gen_op_cmpi(reg, 0, 1, 0);
1424 }
1425 }
1426
1427 /* cmprb - range comparison: isupper, isaplha, islower*/
1428 static void gen_cmprb(DisasContext *ctx)
1429 {
1430 TCGv_i32 src1 = tcg_temp_new_i32();
1431 TCGv_i32 src2 = tcg_temp_new_i32();
1432 TCGv_i32 src2lo = tcg_temp_new_i32();
1433 TCGv_i32 src2hi = tcg_temp_new_i32();
1434 TCGv_i32 crf = cpu_crf[crfD(ctx->opcode)];
1435
1436 tcg_gen_trunc_tl_i32(src1, cpu_gpr[rA(ctx->opcode)]);
1437 tcg_gen_trunc_tl_i32(src2, cpu_gpr[rB(ctx->opcode)]);
1438
1439 tcg_gen_andi_i32(src1, src1, 0xFF);
1440 tcg_gen_ext8u_i32(src2lo, src2);
1441 tcg_gen_shri_i32(src2, src2, 8);
1442 tcg_gen_ext8u_i32(src2hi, src2);
1443
1444 tcg_gen_setcond_i32(TCG_COND_LEU, src2lo, src2lo, src1);
1445 tcg_gen_setcond_i32(TCG_COND_LEU, src2hi, src1, src2hi);
1446 tcg_gen_and_i32(crf, src2lo, src2hi);
1447
1448 if (ctx->opcode & 0x00200000) {
1449 tcg_gen_shri_i32(src2, src2, 8);
1450 tcg_gen_ext8u_i32(src2lo, src2);
1451 tcg_gen_shri_i32(src2, src2, 8);
1452 tcg_gen_ext8u_i32(src2hi, src2);
1453 tcg_gen_setcond_i32(TCG_COND_LEU, src2lo, src2lo, src1);
1454 tcg_gen_setcond_i32(TCG_COND_LEU, src2hi, src1, src2hi);
1455 tcg_gen_and_i32(src2lo, src2lo, src2hi);
1456 tcg_gen_or_i32(crf, crf, src2lo);
1457 }
1458 tcg_gen_shli_i32(crf, crf, CRF_GT_BIT);
1459 }
1460
1461 #if defined(TARGET_PPC64)
1462 /* cmpeqb */
1463 static void gen_cmpeqb(DisasContext *ctx)
1464 {
1465 gen_helper_cmpeqb(cpu_crf[crfD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
1466 cpu_gpr[rB(ctx->opcode)]);
1467 }
1468 #endif
1469
1470 /* isel (PowerPC 2.03 specification) */
1471 static void gen_isel(DisasContext *ctx)
1472 {
1473 uint32_t bi = rC(ctx->opcode);
1474 uint32_t mask = 0x08 >> (bi & 0x03);
1475 TCGv t0 = tcg_temp_new();
1476 TCGv zr;
1477
1478 tcg_gen_extu_i32_tl(t0, cpu_crf[bi >> 2]);
1479 tcg_gen_andi_tl(t0, t0, mask);
1480
1481 zr = tcg_constant_tl(0);
1482 tcg_gen_movcond_tl(TCG_COND_NE, cpu_gpr[rD(ctx->opcode)], t0, zr,
1483 rA(ctx->opcode) ? cpu_gpr[rA(ctx->opcode)] : zr,
1484 cpu_gpr[rB(ctx->opcode)]);
1485 }
1486
1487 /* cmpb: PowerPC 2.05 specification */
1488 static void gen_cmpb(DisasContext *ctx)
1489 {
1490 gen_helper_cmpb(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)],
1491 cpu_gpr[rB(ctx->opcode)]);
1492 }
1493
1494 /*** Integer arithmetic ***/
1495
1496 static inline void gen_op_arith_compute_ov(DisasContext *ctx, TCGv arg0,
1497 TCGv arg1, TCGv arg2, int sub)
1498 {
1499 TCGv t0 = tcg_temp_new();
1500
1501 tcg_gen_xor_tl(cpu_ov, arg0, arg2);
1502 tcg_gen_xor_tl(t0, arg1, arg2);
1503 if (sub) {
1504 tcg_gen_and_tl(cpu_ov, cpu_ov, t0);
1505 } else {
1506 tcg_gen_andc_tl(cpu_ov, cpu_ov, t0);
1507 }
1508 if (NARROW_MODE(ctx)) {
1509 tcg_gen_extract_tl(cpu_ov, cpu_ov, 31, 1);
1510 if (is_isa300(ctx)) {
1511 tcg_gen_mov_tl(cpu_ov32, cpu_ov);
1512 }
1513 } else {
1514 if (is_isa300(ctx)) {
1515 tcg_gen_extract_tl(cpu_ov32, cpu_ov, 31, 1);
1516 }
1517 tcg_gen_extract_tl(cpu_ov, cpu_ov, TARGET_LONG_BITS - 1, 1);
1518 }
1519 tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov);
1520 }
1521
1522 static inline void gen_op_arith_compute_ca32(DisasContext *ctx,
1523 TCGv res, TCGv arg0, TCGv arg1,
1524 TCGv ca32, int sub)
1525 {
1526 TCGv t0;
1527
1528 if (!is_isa300(ctx)) {
1529 return;
1530 }
1531
1532 t0 = tcg_temp_new();
1533 if (sub) {
1534 tcg_gen_eqv_tl(t0, arg0, arg1);
1535 } else {
1536 tcg_gen_xor_tl(t0, arg0, arg1);
1537 }
1538 tcg_gen_xor_tl(t0, t0, res);
1539 tcg_gen_extract_tl(ca32, t0, 32, 1);
1540 }
1541
1542 /* Common add function */
1543 static inline void gen_op_arith_add(DisasContext *ctx, TCGv ret, TCGv arg1,
1544 TCGv arg2, TCGv ca, TCGv ca32,
1545 bool add_ca, bool compute_ca,
1546 bool compute_ov, bool compute_rc0)
1547 {
1548 TCGv t0 = ret;
1549
1550 if (compute_ca || compute_ov) {
1551 t0 = tcg_temp_new();
1552 }
1553
1554 if (compute_ca) {
1555 if (NARROW_MODE(ctx)) {
1556 /*
1557 * Caution: a non-obvious corner case of the spec is that
1558 * we must produce the *entire* 64-bit addition, but
1559 * produce the carry into bit 32.
1560 */
1561 TCGv t1 = tcg_temp_new();
1562 tcg_gen_xor_tl(t1, arg1, arg2); /* add without carry */
1563 tcg_gen_add_tl(t0, arg1, arg2);
1564 if (add_ca) {
1565 tcg_gen_add_tl(t0, t0, ca);
1566 }
1567 tcg_gen_xor_tl(ca, t0, t1); /* bits changed w/ carry */
1568 tcg_gen_extract_tl(ca, ca, 32, 1);
1569 if (is_isa300(ctx)) {
1570 tcg_gen_mov_tl(ca32, ca);
1571 }
1572 } else {
1573 TCGv zero = tcg_constant_tl(0);
1574 if (add_ca) {
1575 tcg_gen_add2_tl(t0, ca, arg1, zero, ca, zero);
1576 tcg_gen_add2_tl(t0, ca, t0, ca, arg2, zero);
1577 } else {
1578 tcg_gen_add2_tl(t0, ca, arg1, zero, arg2, zero);
1579 }
1580 gen_op_arith_compute_ca32(ctx, t0, arg1, arg2, ca32, 0);
1581 }
1582 } else {
1583 tcg_gen_add_tl(t0, arg1, arg2);
1584 if (add_ca) {
1585 tcg_gen_add_tl(t0, t0, ca);
1586 }
1587 }
1588
1589 if (compute_ov) {
1590 gen_op_arith_compute_ov(ctx, t0, arg1, arg2, 0);
1591 }
1592 if (unlikely(compute_rc0)) {
1593 gen_set_Rc0(ctx, t0);
1594 }
1595
1596 if (t0 != ret) {
1597 tcg_gen_mov_tl(ret, t0);
1598 }
1599 }
1600 /* Add functions with two operands */
1601 #define GEN_INT_ARITH_ADD(name, opc3, ca, add_ca, compute_ca, compute_ov) \
1602 static void glue(gen_, name)(DisasContext *ctx) \
1603 { \
1604 gen_op_arith_add(ctx, cpu_gpr[rD(ctx->opcode)], \
1605 cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], \
1606 ca, glue(ca, 32), \
1607 add_ca, compute_ca, compute_ov, Rc(ctx->opcode)); \
1608 }
1609 /* Add functions with one operand and one immediate */
1610 #define GEN_INT_ARITH_ADD_CONST(name, opc3, const_val, ca, \
1611 add_ca, compute_ca, compute_ov) \
1612 static void glue(gen_, name)(DisasContext *ctx) \
1613 { \
1614 TCGv t0 = tcg_constant_tl(const_val); \
1615 gen_op_arith_add(ctx, cpu_gpr[rD(ctx->opcode)], \
1616 cpu_gpr[rA(ctx->opcode)], t0, \
1617 ca, glue(ca, 32), \
1618 add_ca, compute_ca, compute_ov, Rc(ctx->opcode)); \
1619 }
1620
1621 /* add add. addo addo. */
1622 GEN_INT_ARITH_ADD(add, 0x08, cpu_ca, 0, 0, 0)
1623 GEN_INT_ARITH_ADD(addo, 0x18, cpu_ca, 0, 0, 1)
1624 /* addc addc. addco addco. */
1625 GEN_INT_ARITH_ADD(addc, 0x00, cpu_ca, 0, 1, 0)
1626 GEN_INT_ARITH_ADD(addco, 0x10, cpu_ca, 0, 1, 1)
1627 /* adde adde. addeo addeo. */
1628 GEN_INT_ARITH_ADD(adde, 0x04, cpu_ca, 1, 1, 0)
1629 GEN_INT_ARITH_ADD(addeo, 0x14, cpu_ca, 1, 1, 1)
1630 /* addme addme. addmeo addmeo. */
1631 GEN_INT_ARITH_ADD_CONST(addme, 0x07, -1LL, cpu_ca, 1, 1, 0)
1632 GEN_INT_ARITH_ADD_CONST(addmeo, 0x17, -1LL, cpu_ca, 1, 1, 1)
1633 /* addex */
1634 GEN_INT_ARITH_ADD(addex, 0x05, cpu_ov, 1, 1, 0);
1635 /* addze addze. addzeo addzeo.*/
1636 GEN_INT_ARITH_ADD_CONST(addze, 0x06, 0, cpu_ca, 1, 1, 0)
1637 GEN_INT_ARITH_ADD_CONST(addzeo, 0x16, 0, cpu_ca, 1, 1, 1)
1638 /* addic addic.*/
1639 static inline void gen_op_addic(DisasContext *ctx, bool compute_rc0)
1640 {
1641 TCGv c = tcg_constant_tl(SIMM(ctx->opcode));
1642 gen_op_arith_add(ctx, cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
1643 c, cpu_ca, cpu_ca32, 0, 1, 0, compute_rc0);
1644 }
1645
1646 static void gen_addic(DisasContext *ctx)
1647 {
1648 gen_op_addic(ctx, 0);
1649 }
1650
1651 static void gen_addic_(DisasContext *ctx)
1652 {
1653 gen_op_addic(ctx, 1);
1654 }
1655
1656 static inline void gen_op_arith_divw(DisasContext *ctx, TCGv ret, TCGv arg1,
1657 TCGv arg2, int sign, int compute_ov)
1658 {
1659 TCGv_i32 t0 = tcg_temp_new_i32();
1660 TCGv_i32 t1 = tcg_temp_new_i32();
1661 TCGv_i32 t2 = tcg_temp_new_i32();
1662 TCGv_i32 t3 = tcg_temp_new_i32();
1663
1664 tcg_gen_trunc_tl_i32(t0, arg1);
1665 tcg_gen_trunc_tl_i32(t1, arg2);
1666 if (sign) {
1667 tcg_gen_setcondi_i32(TCG_COND_EQ, t2, t0, INT_MIN);
1668 tcg_gen_setcondi_i32(TCG_COND_EQ, t3, t1, -1);
1669 tcg_gen_and_i32(t2, t2, t3);
1670 tcg_gen_setcondi_i32(TCG_COND_EQ, t3, t1, 0);
1671 tcg_gen_or_i32(t2, t2, t3);
1672 tcg_gen_movi_i32(t3, 0);
1673 tcg_gen_movcond_i32(TCG_COND_NE, t1, t2, t3, t2, t1);
1674 tcg_gen_div_i32(t3, t0, t1);
1675 tcg_gen_extu_i32_tl(ret, t3);
1676 } else {
1677 tcg_gen_setcondi_i32(TCG_COND_EQ, t2, t1, 0);
1678 tcg_gen_movi_i32(t3, 0);
1679 tcg_gen_movcond_i32(TCG_COND_NE, t1, t2, t3, t2, t1);
1680 tcg_gen_divu_i32(t3, t0, t1);
1681 tcg_gen_extu_i32_tl(ret, t3);
1682 }
1683 if (compute_ov) {
1684 tcg_gen_extu_i32_tl(cpu_ov, t2);
1685 if (is_isa300(ctx)) {
1686 tcg_gen_extu_i32_tl(cpu_ov32, t2);
1687 }
1688 tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov);
1689 }
1690
1691 if (unlikely(Rc(ctx->opcode) != 0)) {
1692 gen_set_Rc0(ctx, ret);
1693 }
1694 }
1695 /* Div functions */
1696 #define GEN_INT_ARITH_DIVW(name, opc3, sign, compute_ov) \
1697 static void glue(gen_, name)(DisasContext *ctx) \
1698 { \
1699 gen_op_arith_divw(ctx, cpu_gpr[rD(ctx->opcode)], \
1700 cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], \
1701 sign, compute_ov); \
1702 }
1703 /* divwu divwu. divwuo divwuo. */
1704 GEN_INT_ARITH_DIVW(divwu, 0x0E, 0, 0);
1705 GEN_INT_ARITH_DIVW(divwuo, 0x1E, 0, 1);
1706 /* divw divw. divwo divwo. */
1707 GEN_INT_ARITH_DIVW(divw, 0x0F, 1, 0);
1708 GEN_INT_ARITH_DIVW(divwo, 0x1F, 1, 1);
1709
1710 /* div[wd]eu[o][.] */
1711 #define GEN_DIVE(name, hlpr, compute_ov) \
1712 static void gen_##name(DisasContext *ctx) \
1713 { \
1714 TCGv_i32 t0 = tcg_constant_i32(compute_ov); \
1715 gen_helper_##hlpr(cpu_gpr[rD(ctx->opcode)], cpu_env, \
1716 cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], t0); \
1717 if (unlikely(Rc(ctx->opcode) != 0)) { \
1718 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); \
1719 } \
1720 }
1721
1722 GEN_DIVE(divweu, divweu, 0);
1723 GEN_DIVE(divweuo, divweu, 1);
1724 GEN_DIVE(divwe, divwe, 0);
1725 GEN_DIVE(divweo, divwe, 1);
1726
1727 #if defined(TARGET_PPC64)
1728 static inline void gen_op_arith_divd(DisasContext *ctx, TCGv ret, TCGv arg1,
1729 TCGv arg2, int sign, int compute_ov)
1730 {
1731 TCGv_i64 t0 = tcg_temp_new_i64();
1732 TCGv_i64 t1 = tcg_temp_new_i64();
1733 TCGv_i64 t2 = tcg_temp_new_i64();
1734 TCGv_i64 t3 = tcg_temp_new_i64();
1735
1736 tcg_gen_mov_i64(t0, arg1);
1737 tcg_gen_mov_i64(t1, arg2);
1738 if (sign) {
1739 tcg_gen_setcondi_i64(TCG_COND_EQ, t2, t0, INT64_MIN);
1740 tcg_gen_setcondi_i64(TCG_COND_EQ, t3, t1, -1);
1741 tcg_gen_and_i64(t2, t2, t3);
1742 tcg_gen_setcondi_i64(TCG_COND_EQ, t3, t1, 0);
1743 tcg_gen_or_i64(t2, t2, t3);
1744 tcg_gen_movi_i64(t3, 0);
1745 tcg_gen_movcond_i64(TCG_COND_NE, t1, t2, t3, t2, t1);
1746 tcg_gen_div_i64(ret, t0, t1);
1747 } else {
1748 tcg_gen_setcondi_i64(TCG_COND_EQ, t2, t1, 0);
1749 tcg_gen_movi_i64(t3, 0);
1750 tcg_gen_movcond_i64(TCG_COND_NE, t1, t2, t3, t2, t1);
1751 tcg_gen_divu_i64(ret, t0, t1);
1752 }
1753 if (compute_ov) {
1754 tcg_gen_mov_tl(cpu_ov, t2);
1755 if (is_isa300(ctx)) {
1756 tcg_gen_mov_tl(cpu_ov32, t2);
1757 }
1758 tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov);
1759 }
1760
1761 if (unlikely(Rc(ctx->opcode) != 0)) {
1762 gen_set_Rc0(ctx, ret);
1763 }
1764 }
1765
1766 #define GEN_INT_ARITH_DIVD(name, opc3, sign, compute_ov) \
1767 static void glue(gen_, name)(DisasContext *ctx) \
1768 { \
1769 gen_op_arith_divd(ctx, cpu_gpr[rD(ctx->opcode)], \
1770 cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], \
1771 sign, compute_ov); \
1772 }
1773 /* divdu divdu. divduo divduo. */
1774 GEN_INT_ARITH_DIVD(divdu, 0x0E, 0, 0);
1775 GEN_INT_ARITH_DIVD(divduo, 0x1E, 0, 1);
1776 /* divd divd. divdo divdo. */
1777 GEN_INT_ARITH_DIVD(divd, 0x0F, 1, 0);
1778 GEN_INT_ARITH_DIVD(divdo, 0x1F, 1, 1);
1779
1780 GEN_DIVE(divdeu, divdeu, 0);
1781 GEN_DIVE(divdeuo, divdeu, 1);
1782 GEN_DIVE(divde, divde, 0);
1783 GEN_DIVE(divdeo, divde, 1);
1784 #endif
1785
1786 static inline void gen_op_arith_modw(DisasContext *ctx, TCGv ret, TCGv arg1,
1787 TCGv arg2, int sign)
1788 {
1789 TCGv_i32 t0 = tcg_temp_new_i32();
1790 TCGv_i32 t1 = tcg_temp_new_i32();
1791
1792 tcg_gen_trunc_tl_i32(t0, arg1);
1793 tcg_gen_trunc_tl_i32(t1, arg2);
1794 if (sign) {
1795 TCGv_i32 t2 = tcg_temp_new_i32();
1796 TCGv_i32 t3 = tcg_temp_new_i32();
1797 tcg_gen_setcondi_i32(TCG_COND_EQ, t2, t0, INT_MIN);
1798 tcg_gen_setcondi_i32(TCG_COND_EQ, t3, t1, -1);
1799 tcg_gen_and_i32(t2, t2, t3);
1800 tcg_gen_setcondi_i32(TCG_COND_EQ, t3, t1, 0);
1801 tcg_gen_or_i32(t2, t2, t3);
1802 tcg_gen_movi_i32(t3, 0);
1803 tcg_gen_movcond_i32(TCG_COND_NE, t1, t2, t3, t2, t1);
1804 tcg_gen_rem_i32(t3, t0, t1);
1805 tcg_gen_ext_i32_tl(ret, t3);
1806 } else {
1807 TCGv_i32 t2 = tcg_constant_i32(1);
1808 TCGv_i32 t3 = tcg_constant_i32(0);
1809 tcg_gen_movcond_i32(TCG_COND_EQ, t1, t1, t3, t2, t1);
1810 tcg_gen_remu_i32(t0, t0, t1);
1811 tcg_gen_extu_i32_tl(ret, t0);
1812 }
1813 }
1814
1815 #define GEN_INT_ARITH_MODW(name, opc3, sign) \
1816 static void glue(gen_, name)(DisasContext *ctx) \
1817 { \
1818 gen_op_arith_modw(ctx, cpu_gpr[rD(ctx->opcode)], \
1819 cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], \
1820 sign); \
1821 }
1822
1823 GEN_INT_ARITH_MODW(moduw, 0x08, 0);
1824 GEN_INT_ARITH_MODW(modsw, 0x18, 1);
1825
1826 #if defined(TARGET_PPC64)
1827 static inline void gen_op_arith_modd(DisasContext *ctx, TCGv ret, TCGv arg1,
1828 TCGv arg2, int sign)
1829 {
1830 TCGv_i64 t0 = tcg_temp_new_i64();
1831 TCGv_i64 t1 = tcg_temp_new_i64();
1832
1833 tcg_gen_mov_i64(t0, arg1);
1834 tcg_gen_mov_i64(t1, arg2);
1835 if (sign) {
1836 TCGv_i64 t2 = tcg_temp_new_i64();
1837 TCGv_i64 t3 = tcg_temp_new_i64();
1838 tcg_gen_setcondi_i64(TCG_COND_EQ, t2, t0, INT64_MIN);
1839 tcg_gen_setcondi_i64(TCG_COND_EQ, t3, t1, -1);
1840 tcg_gen_and_i64(t2, t2, t3);
1841 tcg_gen_setcondi_i64(TCG_COND_EQ, t3, t1, 0);
1842 tcg_gen_or_i64(t2, t2, t3);
1843 tcg_gen_movi_i64(t3, 0);
1844 tcg_gen_movcond_i64(TCG_COND_NE, t1, t2, t3, t2, t1);
1845 tcg_gen_rem_i64(ret, t0, t1);
1846 } else {
1847 TCGv_i64 t2 = tcg_constant_i64(1);
1848 TCGv_i64 t3 = tcg_constant_i64(0);
1849 tcg_gen_movcond_i64(TCG_COND_EQ, t1, t1, t3, t2, t1);
1850 tcg_gen_remu_i64(ret, t0, t1);
1851 }
1852 }
1853
1854 #define GEN_INT_ARITH_MODD(name, opc3, sign) \
1855 static void glue(gen_, name)(DisasContext *ctx) \
1856 { \
1857 gen_op_arith_modd(ctx, cpu_gpr[rD(ctx->opcode)], \
1858 cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], \
1859 sign); \
1860 }
1861
1862 GEN_INT_ARITH_MODD(modud, 0x08, 0);
1863 GEN_INT_ARITH_MODD(modsd, 0x18, 1);
1864 #endif
1865
1866 /* mulhw mulhw. */
1867 static void gen_mulhw(DisasContext *ctx)
1868 {
1869 TCGv_i32 t0 = tcg_temp_new_i32();
1870 TCGv_i32 t1 = tcg_temp_new_i32();
1871
1872 tcg_gen_trunc_tl_i32(t0, cpu_gpr[rA(ctx->opcode)]);
1873 tcg_gen_trunc_tl_i32(t1, cpu_gpr[rB(ctx->opcode)]);
1874 tcg_gen_muls2_i32(t0, t1, t0, t1);
1875 tcg_gen_extu_i32_tl(cpu_gpr[rD(ctx->opcode)], t1);
1876 if (unlikely(Rc(ctx->opcode) != 0)) {
1877 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
1878 }
1879 }
1880
1881 /* mulhwu mulhwu. */
1882 static void gen_mulhwu(DisasContext *ctx)
1883 {
1884 TCGv_i32 t0 = tcg_temp_new_i32();
1885 TCGv_i32 t1 = tcg_temp_new_i32();
1886
1887 tcg_gen_trunc_tl_i32(t0, cpu_gpr[rA(ctx->opcode)]);
1888 tcg_gen_trunc_tl_i32(t1, cpu_gpr[rB(ctx->opcode)]);
1889 tcg_gen_mulu2_i32(t0, t1, t0, t1);
1890 tcg_gen_extu_i32_tl(cpu_gpr[rD(ctx->opcode)], t1);
1891 if (unlikely(Rc(ctx->opcode) != 0)) {
1892 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
1893 }
1894 }
1895
1896 /* mullw mullw. */
1897 static void gen_mullw(DisasContext *ctx)
1898 {
1899 #if defined(TARGET_PPC64)
1900 TCGv_i64 t0, t1;
1901 t0 = tcg_temp_new_i64();
1902 t1 = tcg_temp_new_i64();
1903 tcg_gen_ext32s_tl(t0, cpu_gpr[rA(ctx->opcode)]);
1904 tcg_gen_ext32s_tl(t1, cpu_gpr[rB(ctx->opcode)]);
1905 tcg_gen_mul_i64(cpu_gpr[rD(ctx->opcode)], t0, t1);
1906 #else
1907 tcg_gen_mul_i32(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
1908 cpu_gpr[rB(ctx->opcode)]);
1909 #endif
1910 if (unlikely(Rc(ctx->opcode) != 0)) {
1911 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
1912 }
1913 }
1914
1915 /* mullwo mullwo. */
1916 static void gen_mullwo(DisasContext *ctx)
1917 {
1918 TCGv_i32 t0 = tcg_temp_new_i32();
1919 TCGv_i32 t1 = tcg_temp_new_i32();
1920
1921 tcg_gen_trunc_tl_i32(t0, cpu_gpr[rA(ctx->opcode)]);
1922 tcg_gen_trunc_tl_i32(t1, cpu_gpr[rB(ctx->opcode)]);
1923 tcg_gen_muls2_i32(t0, t1, t0, t1);
1924 #if defined(TARGET_PPC64)
1925 tcg_gen_concat_i32_i64(cpu_gpr[rD(ctx->opcode)], t0, t1);
1926 #else
1927 tcg_gen_mov_i32(cpu_gpr[rD(ctx->opcode)], t0);
1928 #endif
1929
1930 tcg_gen_sari_i32(t0, t0, 31);
1931 tcg_gen_setcond_i32(TCG_COND_NE, t0, t0, t1);
1932 tcg_gen_extu_i32_tl(cpu_ov, t0);
1933 if (is_isa300(ctx)) {
1934 tcg_gen_mov_tl(cpu_ov32, cpu_ov);
1935 }
1936 tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov);
1937
1938 if (unlikely(Rc(ctx->opcode) != 0)) {
1939 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
1940 }
1941 }
1942
1943 /* mulli */
1944 static void gen_mulli(DisasContext *ctx)
1945 {
1946 tcg_gen_muli_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
1947 SIMM(ctx->opcode));
1948 }
1949
1950 #if defined(TARGET_PPC64)
1951 /* mulhd mulhd. */
1952 static void gen_mulhd(DisasContext *ctx)
1953 {
1954 TCGv lo = tcg_temp_new();
1955 tcg_gen_muls2_tl(lo, cpu_gpr[rD(ctx->opcode)],
1956 cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
1957 if (unlikely(Rc(ctx->opcode) != 0)) {
1958 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
1959 }
1960 }
1961
1962 /* mulhdu mulhdu. */
1963 static void gen_mulhdu(DisasContext *ctx)
1964 {
1965 TCGv lo = tcg_temp_new();
1966 tcg_gen_mulu2_tl(lo, cpu_gpr[rD(ctx->opcode)],
1967 cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
1968 if (unlikely(Rc(ctx->opcode) != 0)) {
1969 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
1970 }
1971 }
1972
1973 /* mulld mulld. */
1974 static void gen_mulld(DisasContext *ctx)
1975 {
1976 tcg_gen_mul_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
1977 cpu_gpr[rB(ctx->opcode)]);
1978 if (unlikely(Rc(ctx->opcode) != 0)) {
1979 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
1980 }
1981 }
1982
1983 /* mulldo mulldo. */
1984 static void gen_mulldo(DisasContext *ctx)
1985 {
1986 TCGv_i64 t0 = tcg_temp_new_i64();
1987 TCGv_i64 t1 = tcg_temp_new_i64();
1988
1989 tcg_gen_muls2_i64(t0, t1, cpu_gpr[rA(ctx->opcode)],
1990 cpu_gpr[rB(ctx->opcode)]);
1991 tcg_gen_mov_i64(cpu_gpr[rD(ctx->opcode)], t0);
1992
1993 tcg_gen_sari_i64(t0, t0, 63);
1994 tcg_gen_setcond_i64(TCG_COND_NE, cpu_ov, t0, t1);
1995 if (is_isa300(ctx)) {
1996 tcg_gen_mov_tl(cpu_ov32, cpu_ov);
1997 }
1998 tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov);
1999
2000 if (unlikely(Rc(ctx->opcode) != 0)) {
2001 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
2002 }
2003 }
2004 #endif
2005
2006 /* Common subf function */
2007 static inline void gen_op_arith_subf(DisasContext *ctx, TCGv ret, TCGv arg1,
2008 TCGv arg2, bool add_ca, bool compute_ca,
2009 bool compute_ov, bool compute_rc0)
2010 {
2011 TCGv t0 = ret;
2012
2013 if (compute_ca || compute_ov) {
2014 t0 = tcg_temp_new();
2015 }
2016
2017 if (compute_ca) {
2018 /* dest = ~arg1 + arg2 [+ ca]. */
2019 if (NARROW_MODE(ctx)) {
2020 /*
2021 * Caution: a non-obvious corner case of the spec is that
2022 * we must produce the *entire* 64-bit addition, but
2023 * produce the carry into bit 32.
2024 */
2025 TCGv inv1 = tcg_temp_new();
2026 TCGv t1 = tcg_temp_new();
2027 tcg_gen_not_tl(inv1, arg1);
2028 if (add_ca) {
2029 tcg_gen_add_tl(t0, arg2, cpu_ca);
2030 } else {
2031 tcg_gen_addi_tl(t0, arg2, 1);
2032 }
2033 tcg_gen_xor_tl(t1, arg2, inv1); /* add without carry */
2034 tcg_gen_add_tl(t0, t0, inv1);
2035 tcg_gen_xor_tl(cpu_ca, t0, t1); /* bits changes w/ carry */
2036 tcg_gen_extract_tl(cpu_ca, cpu_ca, 32, 1);
2037 if (is_isa300(ctx)) {
2038 tcg_gen_mov_tl(cpu_ca32, cpu_ca);
2039 }
2040 } else if (add_ca) {
2041 TCGv zero, inv1 = tcg_temp_new();
2042 tcg_gen_not_tl(inv1, arg1);
2043 zero = tcg_constant_tl(0);
2044 tcg_gen_add2_tl(t0, cpu_ca, arg2, zero, cpu_ca, zero);
2045 tcg_gen_add2_tl(t0, cpu_ca, t0, cpu_ca, inv1, zero);
2046 gen_op_arith_compute_ca32(ctx, t0, inv1, arg2, cpu_ca32, 0);
2047 } else {
2048 tcg_gen_setcond_tl(TCG_COND_GEU, cpu_ca, arg2, arg1);
2049 tcg_gen_sub_tl(t0, arg2, arg1);
2050 gen_op_arith_compute_ca32(ctx, t0, arg1, arg2, cpu_ca32, 1);
2051 }
2052 } else if (add_ca) {
2053 /*
2054 * Since we're ignoring carry-out, we can simplify the
2055 * standard ~arg1 + arg2 + ca to arg2 - arg1 + ca - 1.
2056 */
2057 tcg_gen_sub_tl(t0, arg2, arg1);
2058 tcg_gen_add_tl(t0, t0, cpu_ca);
2059 tcg_gen_subi_tl(t0, t0, 1);
2060 } else {
2061 tcg_gen_sub_tl(t0, arg2, arg1);
2062 }
2063
2064 if (compute_ov) {
2065 gen_op_arith_compute_ov(ctx, t0, arg1, arg2, 1);
2066 }
2067 if (unlikely(compute_rc0)) {
2068 gen_set_Rc0(ctx, t0);
2069 }
2070
2071 if (t0 != ret) {
2072 tcg_gen_mov_tl(ret, t0);
2073 }
2074 }
2075 /* Sub functions with Two operands functions */
2076 #define GEN_INT_ARITH_SUBF(name, opc3, add_ca, compute_ca, compute_ov) \
2077 static void glue(gen_, name)(DisasContext *ctx) \
2078 { \
2079 gen_op_arith_subf(ctx, cpu_gpr[rD(ctx->opcode)], \
2080 cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], \
2081 add_ca, compute_ca, compute_ov, Rc(ctx->opcode)); \
2082 }
2083 /* Sub functions with one operand and one immediate */
2084 #define GEN_INT_ARITH_SUBF_CONST(name, opc3, const_val, \
2085 add_ca, compute_ca, compute_ov) \
2086 static void glue(gen_, name)(DisasContext *ctx) \
2087 { \
2088 TCGv t0 = tcg_constant_tl(const_val); \
2089 gen_op_arith_subf(ctx, cpu_gpr[rD(ctx->opcode)], \
2090 cpu_gpr[rA(ctx->opcode)], t0, \
2091 add_ca, compute_ca, compute_ov, Rc(ctx->opcode)); \
2092 }
2093 /* subf subf. subfo subfo. */
2094 GEN_INT_ARITH_SUBF(subf, 0x01, 0, 0, 0)
2095 GEN_INT_ARITH_SUBF(subfo, 0x11, 0, 0, 1)
2096 /* subfc subfc. subfco subfco. */
2097 GEN_INT_ARITH_SUBF(subfc, 0x00, 0, 1, 0)
2098 GEN_INT_ARITH_SUBF(subfco, 0x10, 0, 1, 1)
2099 /* subfe subfe. subfeo subfo. */
2100 GEN_INT_ARITH_SUBF(subfe, 0x04, 1, 1, 0)
2101 GEN_INT_ARITH_SUBF(subfeo, 0x14, 1, 1, 1)
2102 /* subfme subfme. subfmeo subfmeo. */
2103 GEN_INT_ARITH_SUBF_CONST(subfme, 0x07, -1LL, 1, 1, 0)
2104 GEN_INT_ARITH_SUBF_CONST(subfmeo, 0x17, -1LL, 1, 1, 1)
2105 /* subfze subfze. subfzeo subfzeo.*/
2106 GEN_INT_ARITH_SUBF_CONST(subfze, 0x06, 0, 1, 1, 0)
2107 GEN_INT_ARITH_SUBF_CONST(subfzeo, 0x16, 0, 1, 1, 1)
2108
2109 /* subfic */
2110 static void gen_subfic(DisasContext *ctx)
2111 {
2112 TCGv c = tcg_constant_tl(SIMM(ctx->opcode));
2113 gen_op_arith_subf(ctx, cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
2114 c, 0, 1, 0, 0);
2115 }
2116
2117 /* neg neg. nego nego. */
2118 static inline void gen_op_arith_neg(DisasContext *ctx, bool compute_ov)
2119 {
2120 TCGv zero = tcg_constant_tl(0);
2121 gen_op_arith_subf(ctx, cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
2122 zero, 0, 0, compute_ov, Rc(ctx->opcode));
2123 }
2124
2125 static void gen_neg(DisasContext *ctx)
2126 {
2127 tcg_gen_neg_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
2128 if (unlikely(Rc(ctx->opcode))) {
2129 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
2130 }
2131 }
2132
2133 static void gen_nego(DisasContext *ctx)
2134 {
2135 gen_op_arith_neg(ctx, 1);
2136 }
2137
2138 /*** Integer logical ***/
2139 #define GEN_LOGICAL2(name, tcg_op, opc, type) \
2140 static void glue(gen_, name)(DisasContext *ctx) \
2141 { \
2142 tcg_op(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], \
2143 cpu_gpr[rB(ctx->opcode)]); \
2144 if (unlikely(Rc(ctx->opcode) != 0)) \
2145 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); \
2146 }
2147
2148 #define GEN_LOGICAL1(name, tcg_op, opc, type) \
2149 static void glue(gen_, name)(DisasContext *ctx) \
2150 { \
2151 tcg_op(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]); \
2152 if (unlikely(Rc(ctx->opcode) != 0)) \
2153 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); \
2154 }
2155
2156 /* and & and. */
2157 GEN_LOGICAL2(and, tcg_gen_and_tl, 0x00, PPC_INTEGER);
2158 /* andc & andc. */
2159 GEN_LOGICAL2(andc, tcg_gen_andc_tl, 0x01, PPC_INTEGER);
2160
2161 /* andi. */
2162 static void gen_andi_(DisasContext *ctx)
2163 {
2164 tcg_gen_andi_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)],
2165 UIMM(ctx->opcode));
2166 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
2167 }
2168
2169 /* andis. */
2170 static void gen_andis_(DisasContext *ctx)
2171 {
2172 tcg_gen_andi_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)],
2173 UIMM(ctx->opcode) << 16);
2174 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
2175 }
2176
2177 /* cntlzw */
2178 static void gen_cntlzw(DisasContext *ctx)
2179 {
2180 TCGv_i32 t = tcg_temp_new_i32();
2181
2182 tcg_gen_trunc_tl_i32(t, cpu_gpr[rS(ctx->opcode)]);
2183 tcg_gen_clzi_i32(t, t, 32);
2184 tcg_gen_extu_i32_tl(cpu_gpr[rA(ctx->opcode)], t);
2185
2186 if (unlikely(Rc(ctx->opcode) != 0)) {
2187 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
2188 }
2189 }
2190
2191 /* cnttzw */
2192 static void gen_cnttzw(DisasContext *ctx)
2193 {
2194 TCGv_i32 t = tcg_temp_new_i32();
2195
2196 tcg_gen_trunc_tl_i32(t, cpu_gpr[rS(ctx->opcode)]);
2197 tcg_gen_ctzi_i32(t, t, 32);
2198 tcg_gen_extu_i32_tl(cpu_gpr[rA(ctx->opcode)], t);
2199
2200 if (unlikely(Rc(ctx->opcode) != 0)) {
2201 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
2202 }
2203 }
2204
2205 /* eqv & eqv. */
2206 GEN_LOGICAL2(eqv, tcg_gen_eqv_tl, 0x08, PPC_INTEGER);
2207 /* extsb & extsb. */
2208 GEN_LOGICAL1(extsb, tcg_gen_ext8s_tl, 0x1D, PPC_INTEGER);
2209 /* extsh & extsh. */
2210 GEN_LOGICAL1(extsh, tcg_gen_ext16s_tl, 0x1C, PPC_INTEGER);
2211 /* nand & nand. */
2212 GEN_LOGICAL2(nand, tcg_gen_nand_tl, 0x0E, PPC_INTEGER);
2213 /* nor & nor. */
2214 GEN_LOGICAL2(nor, tcg_gen_nor_tl, 0x03, PPC_INTEGER);
2215
2216 #if defined(TARGET_PPC64) && !defined(CONFIG_USER_ONLY)
2217 static void gen_pause(DisasContext *ctx)
2218 {
2219 TCGv_i32 t0 = tcg_constant_i32(0);
2220 tcg_gen_st_i32(t0, cpu_env,
2221 -offsetof(PowerPCCPU, env) + offsetof(CPUState, halted));
2222
2223 /* Stop translation, this gives other CPUs a chance to run */
2224 gen_exception_nip(ctx, EXCP_HLT, ctx->base.pc_next);
2225 }
2226 #endif /* defined(TARGET_PPC64) */
2227
2228 /* or & or. */
2229 static void gen_or(DisasContext *ctx)
2230 {
2231 int rs, ra, rb;
2232
2233 rs = rS(ctx->opcode);
2234 ra = rA(ctx->opcode);
2235 rb = rB(ctx->opcode);
2236 /* Optimisation for mr. ri case */
2237 if (rs != ra || rs != rb) {
2238 if (rs != rb) {
2239 tcg_gen_or_tl(cpu_gpr[ra], cpu_gpr[rs], cpu_gpr[rb]);
2240 } else {
2241 tcg_gen_mov_tl(cpu_gpr[ra], cpu_gpr[rs]);
2242 }
2243 if (unlikely(Rc(ctx->opcode) != 0)) {
2244 gen_set_Rc0(ctx, cpu_gpr[ra]);
2245 }
2246 } else if (unlikely(Rc(ctx->opcode) != 0)) {
2247 gen_set_Rc0(ctx, cpu_gpr[rs]);
2248 #if defined(TARGET_PPC64)
2249 } else if (rs != 0) { /* 0 is nop */
2250 int prio = 0;
2251
2252 switch (rs) {
2253 case 1:
2254 /* Set process priority to low */
2255 prio = 2;
2256 break;
2257 case 6:
2258 /* Set process priority to medium-low */
2259 prio = 3;
2260 break;
2261 case 2:
2262 /* Set process priority to normal */
2263 prio = 4;
2264 break;
2265 #if !defined(CONFIG_USER_ONLY)
2266 case 31:
2267 if (!ctx->pr) {
2268 /* Set process priority to very low */
2269 prio = 1;
2270 }
2271 break;
2272 case 5:
2273 if (!ctx->pr) {
2274 /* Set process priority to medium-hight */
2275 prio = 5;
2276 }
2277 break;
2278 case 3:
2279 if (!ctx->pr) {
2280 /* Set process priority to high */
2281 prio = 6;
2282 }
2283 break;
2284 case 7:
2285 if (ctx->hv && !ctx->pr) {
2286 /* Set process priority to very high */
2287 prio = 7;
2288 }
2289 break;
2290 #endif
2291 default:
2292 break;
2293 }
2294 if (prio) {
2295 TCGv t0 = tcg_temp_new();
2296 gen_load_spr(t0, SPR_PPR);
2297 tcg_gen_andi_tl(t0, t0, ~0x001C000000000000ULL);
2298 tcg_gen_ori_tl(t0, t0, ((uint64_t)prio) << 50);
2299 gen_store_spr(SPR_PPR, t0);
2300 }
2301 #if !defined(CONFIG_USER_ONLY)
2302 /*
2303 * Pause out of TCG otherwise spin loops with smt_low eat too
2304 * much CPU and the kernel hangs. This applies to all
2305 * encodings other than no-op, e.g., miso(rs=26), yield(27),
2306 * mdoio(29), mdoom(30), and all currently undefined.
2307 */
2308 gen_pause(ctx);
2309 #endif
2310 #endif
2311 }
2312 }
2313 /* orc & orc. */
2314 GEN_LOGICAL2(orc, tcg_gen_orc_tl, 0x0C, PPC_INTEGER);
2315
2316 /* xor & xor. */
2317 static void gen_xor(DisasContext *ctx)
2318 {
2319 /* Optimisation for "set to zero" case */
2320 if (rS(ctx->opcode) != rB(ctx->opcode)) {
2321 tcg_gen_xor_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)],
2322 cpu_gpr[rB(ctx->opcode)]);
2323 } else {
2324 tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0);
2325 }
2326 if (unlikely(Rc(ctx->opcode) != 0)) {
2327 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
2328 }
2329 }
2330
2331 /* ori */
2332 static void gen_ori(DisasContext *ctx)
2333 {
2334 target_ulong uimm = UIMM(ctx->opcode);
2335
2336 if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) {
2337 return;
2338 }
2339 tcg_gen_ori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], uimm);
2340 }
2341
2342 /* oris */
2343 static void gen_oris(DisasContext *ctx)
2344 {
2345 target_ulong uimm = UIMM(ctx->opcode);
2346
2347 if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) {
2348 /* NOP */
2349 return;
2350 }
2351 tcg_gen_ori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)],
2352 uimm << 16);
2353 }
2354
2355 /* xori */
2356 static void gen_xori(DisasContext *ctx)
2357 {
2358 target_ulong uimm = UIMM(ctx->opcode);
2359
2360 if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) {
2361 /* NOP */
2362 return;
2363 }
2364 tcg_gen_xori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], uimm);
2365 }
2366
2367 /* xoris */
2368 static void gen_xoris(DisasContext *ctx)
2369 {
2370 target_ulong uimm = UIMM(ctx->opcode);
2371
2372 if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) {
2373 /* NOP */
2374 return;
2375 }
2376 tcg_gen_xori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)],
2377 uimm << 16);
2378 }
2379
2380 /* popcntb : PowerPC 2.03 specification */
2381 static void gen_popcntb(DisasContext *ctx)
2382 {
2383 gen_helper_popcntb(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);
2384 }
2385
2386 static void gen_popcntw(DisasContext *ctx)
2387 {
2388 #if defined(TARGET_PPC64)
2389 gen_helper_popcntw(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);
2390 #else
2391 tcg_gen_ctpop_i32(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);
2392 #endif
2393 }
2394
2395 #if defined(TARGET_PPC64)
2396 /* popcntd: PowerPC 2.06 specification */
2397 static void gen_popcntd(DisasContext *ctx)
2398 {
2399 tcg_gen_ctpop_i64(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);
2400 }
2401 #endif
2402
2403 /* prtyw: PowerPC 2.05 specification */
2404 static void gen_prtyw(DisasContext *ctx)
2405 {
2406 TCGv ra = cpu_gpr[rA(ctx->opcode)];
2407 TCGv rs = cpu_gpr[rS(ctx->opcode)];
2408 TCGv t0 = tcg_temp_new();
2409 tcg_gen_shri_tl(t0, rs, 16);
2410 tcg_gen_xor_tl(ra, rs, t0);
2411 tcg_gen_shri_tl(t0, ra, 8);
2412 tcg_gen_xor_tl(ra, ra, t0);
2413 tcg_gen_andi_tl(ra, ra, (target_ulong)0x100000001ULL);
2414 }
2415
2416 #if defined(TARGET_PPC64)
2417 /* prtyd: PowerPC 2.05 specification */
2418 static void gen_prtyd(DisasContext *ctx)
2419 {
2420 TCGv ra = cpu_gpr[rA(ctx->opcode)];
2421 TCGv rs = cpu_gpr[rS(ctx->opcode)];
2422 TCGv t0 = tcg_temp_new();
2423 tcg_gen_shri_tl(t0, rs, 32);
2424 tcg_gen_xor_tl(ra, rs, t0);
2425 tcg_gen_shri_tl(t0, ra, 16);
2426 tcg_gen_xor_tl(ra, ra, t0);
2427 tcg_gen_shri_tl(t0, ra, 8);
2428 tcg_gen_xor_tl(ra, ra, t0);
2429 tcg_gen_andi_tl(ra, ra, 1);
2430 }
2431 #endif
2432
2433 #if defined(TARGET_PPC64)
2434 /* bpermd */
2435 static void gen_bpermd(DisasContext *ctx)
2436 {
2437 gen_helper_bpermd(cpu_gpr[rA(ctx->opcode)],
2438 cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
2439 }
2440 #endif
2441
2442 #if defined(TARGET_PPC64)
2443 /* extsw & extsw. */
2444 GEN_LOGICAL1(extsw, tcg_gen_ext32s_tl, 0x1E, PPC_64B);
2445
2446 /* cntlzd */
2447 static void gen_cntlzd(DisasContext *ctx)
2448 {
2449 tcg_gen_clzi_i64(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], 64);
2450 if (unlikely(Rc(ctx->opcode) != 0)) {
2451 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
2452 }
2453 }
2454
2455 /* cnttzd */
2456 static void gen_cnttzd(DisasContext *ctx)
2457 {
2458 tcg_gen_ctzi_i64(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], 64);
2459 if (unlikely(Rc(ctx->opcode) != 0)) {
2460 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
2461 }
2462 }
2463
2464 /* darn */
2465 static void gen_darn(DisasContext *ctx)
2466 {
2467 int l = L(ctx->opcode);
2468
2469 if (l > 2) {
2470 tcg_gen_movi_i64(cpu_gpr[rD(ctx->opcode)], -1);
2471 } else {
2472 gen_icount_io_start(ctx);
2473 if (l == 0) {
2474 gen_helper_darn32(cpu_gpr[rD(ctx->opcode)]);
2475 } else {
2476 /* Return 64-bit random for both CRN and RRN */
2477 gen_helper_darn64(cpu_gpr[rD(ctx->opcode)]);
2478 }
2479 }
2480 }
2481 #endif
2482
2483 /*** Integer rotate ***/
2484
2485 /* rlwimi & rlwimi. */
2486 static void gen_rlwimi(DisasContext *ctx)
2487 {
2488 TCGv t_ra = cpu_gpr[rA(ctx->opcode)];
2489 TCGv t_rs = cpu_gpr[rS(ctx->opcode)];
2490 uint32_t sh = SH(ctx->opcode);
2491 uint32_t mb = MB(ctx->opcode);
2492 uint32_t me = ME(ctx->opcode);
2493
2494 if (sh == (31 - me) && mb <= me) {
2495 tcg_gen_deposit_tl(t_ra, t_ra, t_rs, sh, me - mb + 1);
2496 } else {
2497 target_ulong mask;
2498 bool mask_in_32b = true;
2499 TCGv t1;
2500
2501 #if defined(TARGET_PPC64)
2502 mb += 32;
2503 me += 32;
2504 #endif
2505 mask = MASK(mb, me);
2506
2507 #if defined(TARGET_PPC64)
2508 if (mask > 0xffffffffu) {
2509 mask_in_32b = false;
2510 }
2511 #endif
2512 t1 = tcg_temp_new();
2513 if (mask_in_32b) {
2514 TCGv_i32 t0 = tcg_temp_new_i32();
2515 tcg_gen_trunc_tl_i32(t0, t_rs);
2516 tcg_gen_rotli_i32(t0, t0, sh);
2517 tcg_gen_extu_i32_tl(t1, t0);
2518 } else {
2519 #if defined(TARGET_PPC64)
2520 tcg_gen_deposit_i64(t1, t_rs, t_rs, 32, 32);
2521 tcg_gen_rotli_i64(t1, t1, sh);
2522 #else
2523 g_assert_not_reached();
2524 #endif
2525 }
2526
2527 tcg_gen_andi_tl(t1, t1, mask);
2528 tcg_gen_andi_tl(t_ra, t_ra, ~mask);
2529 tcg_gen_or_tl(t_ra, t_ra, t1);
2530 }
2531 if (unlikely(Rc(ctx->opcode) != 0)) {
2532 gen_set_Rc0(ctx, t_ra);
2533 }
2534 }
2535
2536 /* rlwinm & rlwinm. */
2537 static void gen_rlwinm(DisasContext *ctx)
2538 {
2539 TCGv t_ra = cpu_gpr[rA(ctx->opcode)];
2540 TCGv t_rs = cpu_gpr[rS(ctx->opcode)];
2541 int sh = SH(ctx->opcode);
2542 int mb = MB(ctx->opcode);
2543 int me = ME(ctx->opcode);
2544 int len = me - mb + 1;
2545 int rsh = (32 - sh) & 31;
2546
2547 if (sh != 0 && len > 0 && me == (31 - sh)) {
2548 tcg_gen_deposit_z_tl(t_ra, t_rs, sh, len);
2549 } else if (me == 31 && rsh + len <= 32) {
2550 tcg_gen_extract_tl(t_ra, t_rs, rsh, len);
2551 } else {
2552 target_ulong mask;
2553 bool mask_in_32b = true;
2554 #if defined(TARGET_PPC64)
2555 mb += 32;
2556 me += 32;
2557 #endif
2558 mask = MASK(mb, me);
2559 #if defined(TARGET_PPC64)
2560 if (mask > 0xffffffffu) {
2561 mask_in_32b = false;
2562 }
2563 #endif
2564 if (mask_in_32b) {
2565 if (sh == 0) {
2566 tcg_gen_andi_tl(t_ra, t_rs, mask);
2567 } else {
2568 TCGv_i32 t0 = tcg_temp_new_i32();
2569 tcg_gen_trunc_tl_i32(t0, t_rs);
2570 tcg_gen_rotli_i32(t0, t0, sh);
2571 tcg_gen_andi_i32(t0, t0, mask);
2572 tcg_gen_extu_i32_tl(t_ra, t0);
2573 }
2574 } else {
2575 #if defined(TARGET_PPC64)
2576 tcg_gen_deposit_i64(t_ra, t_rs, t_rs, 32, 32);
2577 tcg_gen_rotli_i64(t_ra, t_ra, sh);
2578 tcg_gen_andi_i64(t_ra, t_ra, mask);
2579 #else
2580 g_assert_not_reached();
2581 #endif
2582 }
2583 }
2584 if (unlikely(Rc(ctx->opcode) != 0)) {
2585 gen_set_Rc0(ctx, t_ra);
2586 }
2587 }
2588
2589 /* rlwnm & rlwnm. */
2590 static void gen_rlwnm(DisasContext *ctx)
2591 {
2592 TCGv t_ra = cpu_gpr[rA(ctx->opcode)];
2593 TCGv t_rs = cpu_gpr[rS(ctx->opcode)];
2594 TCGv t_rb = cpu_gpr[rB(ctx->opcode)];
2595 uint32_t mb = MB(ctx->opcode);
2596 uint32_t me = ME(ctx->opcode);
2597 target_ulong mask;
2598 bool mask_in_32b = true;
2599
2600 #if defined(TARGET_PPC64)
2601 mb += 32;
2602 me += 32;
2603 #endif
2604 mask = MASK(mb, me);
2605
2606 #if defined(TARGET_PPC64)
2607 if (mask > 0xffffffffu) {
2608 mask_in_32b = false;
2609 }
2610 #endif
2611 if (mask_in_32b) {
2612 TCGv_i32 t0 = tcg_temp_new_i32();
2613 TCGv_i32 t1 = tcg_temp_new_i32();
2614 tcg_gen_trunc_tl_i32(t0, t_rb);
2615 tcg_gen_trunc_tl_i32(t1, t_rs);
2616 tcg_gen_andi_i32(t0, t0, 0x1f);
2617 tcg_gen_rotl_i32(t1, t1, t0);
2618 tcg_gen_extu_i32_tl(t_ra, t1);
2619 } else {
2620 #if defined(TARGET_PPC64)
2621 TCGv_i64 t0 = tcg_temp_new_i64();
2622 tcg_gen_andi_i64(t0, t_rb, 0x1f);
2623 tcg_gen_deposit_i64(t_ra, t_rs, t_rs, 32, 32);
2624 tcg_gen_rotl_i64(t_ra, t_ra, t0);
2625 #else
2626 g_assert_not_reached();
2627 #endif
2628 }
2629
2630 tcg_gen_andi_tl(t_ra, t_ra, mask);
2631
2632 if (unlikely(Rc(ctx->opcode) != 0)) {
2633 gen_set_Rc0(ctx, t_ra);
2634 }
2635 }
2636
2637 #if defined(TARGET_PPC64)
2638 #define GEN_PPC64_R2(name, opc1, opc2) \
2639 static void glue(gen_, name##0)(DisasContext *ctx) \
2640 { \
2641 gen_##name(ctx, 0); \
2642 } \
2643 \
2644 static void glue(gen_, name##1)(DisasContext *ctx) \
2645 { \
2646 gen_##name(ctx, 1); \
2647 }
2648 #define GEN_PPC64_R4(name, opc1, opc2) \
2649 static void glue(gen_, name##0)(DisasContext *ctx) \
2650 { \
2651 gen_##name(ctx, 0, 0); \
2652 } \
2653 \
2654 static void glue(gen_, name##1)(DisasContext *ctx) \
2655 { \
2656 gen_##name(ctx, 0, 1); \
2657 } \
2658 \
2659 static void glue(gen_, name##2)(DisasContext *ctx) \
2660 { \
2661 gen_##name(ctx, 1, 0); \
2662 } \
2663 \
2664 static void glue(gen_, name##3)(DisasContext *ctx) \
2665 { \
2666 gen_##name(ctx, 1, 1); \
2667 }
2668
2669 static void gen_rldinm(DisasContext *ctx, int mb, int me, int sh)
2670 {
2671 TCGv t_ra = cpu_gpr[rA(ctx->opcode)];
2672 TCGv t_rs = cpu_gpr[rS(ctx->opcode)];
2673 int len = me - mb + 1;
2674 int rsh = (64 - sh) & 63;
2675
2676 if (sh != 0 && len > 0 && me == (63 - sh)) {
2677 tcg_gen_deposit_z_tl(t_ra, t_rs, sh, len);
2678 } else if (me == 63 && rsh + len <= 64) {
2679 tcg_gen_extract_tl(t_ra, t_rs, rsh, len);
2680 } else {
2681 tcg_gen_rotli_tl(t_ra, t_rs, sh);
2682 tcg_gen_andi_tl(t_ra, t_ra, MASK(mb, me));
2683 }
2684 if (unlikely(Rc(ctx->opcode) != 0)) {
2685 gen_set_Rc0(ctx, t_ra);
2686 }
2687 }
2688
2689 /* rldicl - rldicl. */
2690 static inline void gen_rldicl(DisasContext *ctx, int mbn, int shn)
2691 {
2692 uint32_t sh, mb;
2693
2694 sh = SH(ctx->opcode) | (shn << 5);
2695 mb = MB(ctx->opcode) | (mbn << 5);
2696 gen_rldinm(ctx, mb, 63, sh);
2697 }
2698 GEN_PPC64_R4(rldicl, 0x1E, 0x00);
2699
2700 /* rldicr - rldicr. */
2701 static inline void gen_rldicr(DisasContext *ctx, int men, int shn)
2702 {
2703 uint32_t sh, me;
2704
2705 sh = SH(ctx->opcode) | (shn << 5);
2706 me = MB(ctx->opcode) | (men << 5);
2707 gen_rldinm(ctx, 0, me, sh);
2708 }
2709 GEN_PPC64_R4(rldicr, 0x1E, 0x02);
2710
2711 /* rldic - rldic. */
2712 static inline void gen_rldic(DisasContext *ctx, int mbn, int shn)
2713 {
2714 uint32_t sh, mb;
2715
2716 sh = SH(ctx->opcode) | (shn << 5);
2717 mb = MB(ctx->opcode) | (mbn << 5);
2718 gen_rldinm(ctx, mb, 63 - sh, sh);
2719 }
2720 GEN_PPC64_R4(rldic, 0x1E, 0x04);
2721
2722 static void gen_rldnm(DisasContext *ctx, int mb, int me)
2723 {
2724 TCGv t_ra = cpu_gpr[rA(ctx->opcode)];
2725 TCGv t_rs = cpu_gpr[rS(ctx->opcode)];
2726 TCGv t_rb = cpu_gpr[rB(ctx->opcode)];
2727 TCGv t0;
2728
2729 t0 = tcg_temp_new();
2730 tcg_gen_andi_tl(t0, t_rb, 0x3f);
2731 tcg_gen_rotl_tl(t_ra, t_rs, t0);
2732
2733 tcg_gen_andi_tl(t_ra, t_ra, MASK(mb, me));
2734 if (unlikely(Rc(ctx->opcode) != 0)) {
2735 gen_set_Rc0(ctx, t_ra);
2736 }
2737 }
2738
2739 /* rldcl - rldcl. */
2740 static inline void gen_rldcl(DisasContext *ctx, int mbn)
2741 {
2742 uint32_t mb;
2743
2744 mb = MB(ctx->opcode) | (mbn << 5);
2745 gen_rldnm(ctx, mb, 63);
2746 }
2747 GEN_PPC64_R2(rldcl, 0x1E, 0x08);
2748
2749 /* rldcr - rldcr. */
2750 static inline void gen_rldcr(DisasContext *ctx, int men)
2751 {
2752 uint32_t me;
2753
2754 me = MB(ctx->opcode) | (men << 5);
2755 gen_rldnm(ctx, 0, me);
2756 }
2757 GEN_PPC64_R2(rldcr, 0x1E, 0x09);
2758
2759 /* rldimi - rldimi. */
2760 static void gen_rldimi(DisasContext *ctx, int mbn, int shn)
2761 {
2762 TCGv t_ra = cpu_gpr[rA(ctx->opcode)];
2763 TCGv t_rs = cpu_gpr[rS(ctx->opcode)];
2764 uint32_t sh = SH(ctx->opcode) | (shn << 5);
2765 uint32_t mb = MB(ctx->opcode) | (mbn << 5);
2766 uint32_t me = 63 - sh;
2767
2768 if (mb <= me) {
2769 tcg_gen_deposit_tl(t_ra, t_ra, t_rs, sh, me - mb + 1);
2770 } else {
2771 target_ulong mask = MASK(mb, me);
2772 TCGv t1 = tcg_temp_new();
2773
2774 tcg_gen_rotli_tl(t1, t_rs, sh);
2775 tcg_gen_andi_tl(t1, t1, mask);
2776 tcg_gen_andi_tl(t_ra, t_ra, ~mask);
2777 tcg_gen_or_tl(t_ra, t_ra, t1);
2778 }
2779 if (unlikely(Rc(ctx->opcode) != 0)) {
2780 gen_set_Rc0(ctx, t_ra);
2781 }
2782 }
2783 GEN_PPC64_R4(rldimi, 0x1E, 0x06);
2784 #endif
2785
2786 /*** Integer shift ***/
2787
2788 /* slw & slw. */
2789 static void gen_slw(DisasContext *ctx)
2790 {
2791 TCGv t0, t1;
2792
2793 t0 = tcg_temp_new();
2794 /* AND rS with a mask that is 0 when rB >= 0x20 */
2795 #if defined(TARGET_PPC64)
2796 tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x3a);
2797 tcg_gen_sari_tl(t0, t0, 0x3f);
2798 #else
2799 tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1a);
2800 tcg_gen_sari_tl(t0, t0, 0x1f);
2801 #endif
2802 tcg_gen_andc_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
2803 t1 = tcg_temp_new();
2804 tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1f);
2805 tcg_gen_shl_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
2806 tcg_gen_ext32u_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
2807 if (unlikely(Rc(ctx->opcode) != 0)) {
2808 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
2809 }
2810 }
2811
2812 /* sraw & sraw. */
2813 static void gen_sraw(DisasContext *ctx)
2814 {
2815 gen_helper_sraw(cpu_gpr[rA(ctx->opcode)], cpu_env,
2816 cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
2817 if (unlikely(Rc(ctx->opcode) != 0)) {
2818 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
2819 }
2820 }
2821
2822 /* srawi & srawi. */
2823 static void gen_srawi(DisasContext *ctx)
2824 {
2825 int sh = SH(ctx->opcode);
2826 TCGv dst = cpu_gpr[rA(ctx->opcode)];
2827 TCGv src = cpu_gpr[rS(ctx->opcode)];
2828 if (sh == 0) {
2829 tcg_gen_ext32s_tl(dst, src);
2830 tcg_gen_movi_tl(cpu_ca, 0);
2831 if (is_isa300(ctx)) {
2832 tcg_gen_movi_tl(cpu_ca32, 0);
2833 }
2834 } else {
2835 TCGv t0;
2836 tcg_gen_ext32s_tl(dst, src);
2837 tcg_gen_andi_tl(cpu_ca, dst, (1ULL << sh) - 1);
2838 t0 = tcg_temp_new();
2839 tcg_gen_sari_tl(t0, dst, TARGET_LONG_BITS - 1);
2840 tcg_gen_and_tl(cpu_ca, cpu_ca, t0);
2841 tcg_gen_setcondi_tl(TCG_COND_NE, cpu_ca, cpu_ca, 0);
2842 if (is_isa300(ctx)) {
2843 tcg_gen_mov_tl(cpu_ca32, cpu_ca);
2844 }
2845 tcg_gen_sari_tl(dst, dst, sh);
2846 }
2847 if (unlikely(Rc(ctx->opcode) != 0)) {
2848 gen_set_Rc0(ctx, dst);
2849 }
2850 }
2851
2852 /* srw & srw. */
2853 static void gen_srw(DisasContext *ctx)
2854 {
2855 TCGv t0, t1;
2856
2857 t0 = tcg_temp_new();
2858 /* AND rS with a mask that is 0 when rB >= 0x20 */
2859 #if defined(TARGET_PPC64)
2860 tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x3a);
2861 tcg_gen_sari_tl(t0, t0, 0x3f);
2862 #else
2863 tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1a);
2864 tcg_gen_sari_tl(t0, t0, 0x1f);
2865 #endif
2866 tcg_gen_andc_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
2867 tcg_gen_ext32u_tl(t0, t0);
2868 t1 = tcg_temp_new();
2869 tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1f);
2870 tcg_gen_shr_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
2871 if (unlikely(Rc(ctx->opcode) != 0)) {
2872 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
2873 }
2874 }
2875
2876 #if defined(TARGET_PPC64)
2877 /* sld & sld. */
2878 static void gen_sld(DisasContext *ctx)
2879 {
2880 TCGv t0, t1;
2881
2882 t0 = tcg_temp_new();
2883 /* AND rS with a mask that is 0 when rB >= 0x40 */
2884 tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x39);
2885 tcg_gen_sari_tl(t0, t0, 0x3f);
2886 tcg_gen_andc_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
2887 t1 = tcg_temp_new();
2888 tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x3f);
2889 tcg_gen_shl_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
2890 if (unlikely(Rc(ctx->opcode) != 0)) {
2891 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
2892 }
2893 }
2894
2895 /* srad & srad. */
2896 static void gen_srad(DisasContext *ctx)
2897 {
2898 gen_helper_srad(cpu_gpr[rA(ctx->opcode)], cpu_env,
2899 cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
2900 if (unlikely(Rc(ctx->opcode) != 0)) {
2901 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
2902 }
2903 }
2904 /* sradi & sradi. */
2905 static inline void gen_sradi(DisasContext *ctx, int n)
2906 {
2907 int sh = SH(ctx->opcode) + (n << 5);
2908 TCGv dst = cpu_gpr[rA(ctx->opcode)];
2909 TCGv src = cpu_gpr[rS(ctx->opcode)];
2910 if (sh == 0) {
2911 tcg_gen_mov_tl(dst, src);
2912 tcg_gen_movi_tl(cpu_ca, 0);
2913 if (is_isa300(ctx)) {
2914 tcg_gen_movi_tl(cpu_ca32, 0);
2915 }
2916 } else {
2917 TCGv t0;
2918 tcg_gen_andi_tl(cpu_ca, src, (1ULL << sh) - 1);
2919 t0 = tcg_temp_new();
2920 tcg_gen_sari_tl(t0, src, TARGET_LONG_BITS - 1);
2921 tcg_gen_and_tl(cpu_ca, cpu_ca, t0);
2922 tcg_gen_setcondi_tl(TCG_COND_NE, cpu_ca, cpu_ca, 0);
2923 if (is_isa300(ctx)) {
2924 tcg_gen_mov_tl(cpu_ca32, cpu_ca);
2925 }
2926 tcg_gen_sari_tl(dst, src, sh);
2927 }
2928 if (unlikely(Rc(ctx->opcode) != 0)) {
2929 gen_set_Rc0(ctx, dst);
2930 }
2931 }
2932
2933 static void gen_sradi0(DisasContext *ctx)
2934 {
2935 gen_sradi(ctx, 0);
2936 }
2937
2938 static void gen_sradi1(DisasContext *ctx)
2939 {
2940 gen_sradi(ctx, 1);
2941 }
2942
2943 /* extswsli & extswsli. */
2944 static inline void gen_extswsli(DisasContext *ctx, int n)
2945 {
2946 int sh = SH(ctx->opcode) + (n << 5);
2947 TCGv dst = cpu_gpr[rA(ctx->opcode)];
2948 TCGv src = cpu_gpr[rS(ctx->opcode)];
2949
2950 tcg_gen_ext32s_tl(dst, src);
2951 tcg_gen_shli_tl(dst, dst, sh);
2952 if (unlikely(Rc(ctx->opcode) != 0)) {
2953 gen_set_Rc0(ctx, dst);
2954 }
2955 }
2956
2957 static void gen_extswsli0(DisasContext *ctx)
2958 {
2959 gen_extswsli(ctx, 0);
2960 }
2961
2962 static void gen_extswsli1(DisasContext *ctx)
2963 {
2964 gen_extswsli(ctx, 1);
2965 }
2966
2967 /* srd & srd. */
2968 static void gen_srd(DisasContext *ctx)
2969 {
2970 TCGv t0, t1;
2971
2972 t0 = tcg_temp_new();
2973 /* AND rS with a mask that is 0 when rB >= 0x40 */
2974 tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x39);
2975 tcg_gen_sari_tl(t0, t0, 0x3f);
2976 tcg_gen_andc_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
2977 t1 = tcg_temp_new();
2978 tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x3f);
2979 tcg_gen_shr_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
2980 if (unlikely(Rc(ctx->opcode) != 0)) {
2981 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
2982 }
2983 }
2984 #endif
2985
2986 /*** Addressing modes ***/
2987 /* Register indirect with immediate index : EA = (rA|0) + SIMM */
2988 static inline void gen_addr_imm_index(DisasContext *ctx, TCGv EA,
2989 target_long maskl)
2990 {
2991 target_long simm = SIMM(ctx->opcode);
2992
2993 simm &= ~maskl;
2994 if (rA(ctx->opcode) == 0) {
2995 if (NARROW_MODE(ctx)) {
2996 simm = (uint32_t)simm;
2997 }
2998 tcg_gen_movi_tl(EA, simm);
2999 } else if (likely(simm != 0)) {
3000 tcg_gen_addi_tl(EA, cpu_gpr[rA(ctx->opcode)], simm);
3001 if (NARROW_MODE(ctx)) {
3002 tcg_gen_ext32u_tl(EA, EA);
3003 }
3004 } else {
3005 if (NARROW_MODE(ctx)) {
3006 tcg_gen_ext32u_tl(EA, cpu_gpr[rA(ctx->opcode)]);
3007 } else {
3008 tcg_gen_mov_tl(EA, cpu_gpr[rA(ctx->opcode)]);
3009 }
3010 }
3011 }
3012
3013 static inline void gen_addr_reg_index(DisasContext *ctx, TCGv EA)
3014 {
3015 if (rA(ctx->opcode) == 0) {
3016 if (NARROW_MODE(ctx)) {
3017 tcg_gen_ext32u_tl(EA, cpu_gpr[rB(ctx->opcode)]);
3018 } else {
3019 tcg_gen_mov_tl(EA, cpu_gpr[rB(ctx->opcode)]);
3020 }
3021 } else {
3022 tcg_gen_add_tl(EA, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
3023 if (NARROW_MODE(ctx)) {
3024 tcg_gen_ext32u_tl(EA, EA);
3025 }
3026 }
3027 }
3028
3029 static inline void gen_addr_register(DisasContext *ctx, TCGv EA)
3030 {
3031 if (rA(ctx->opcode) == 0) {
3032 tcg_gen_movi_tl(EA, 0);
3033 } else if (NARROW_MODE(ctx)) {
3034 tcg_gen_ext32u_tl(EA, cpu_gpr[rA(ctx->opcode)]);
3035 } else {
3036 tcg_gen_mov_tl(EA, cpu_gpr[rA(ctx->opcode)]);
3037 }
3038 }
3039
3040 static inline void gen_addr_add(DisasContext *ctx, TCGv ret, TCGv arg1,
3041 target_long val)
3042 {
3043 tcg_gen_addi_tl(ret, arg1, val);
3044 if (NARROW_MODE(ctx)) {
3045 tcg_gen_ext32u_tl(ret, ret);
3046 }
3047 }
3048
3049 static inline void gen_align_no_le(DisasContext *ctx)
3050 {
3051 gen_exception_err(ctx, POWERPC_EXCP_ALIGN,
3052 (ctx->opcode & 0x03FF0000) | POWERPC_EXCP_ALIGN_LE);
3053 }
3054
3055 static TCGv do_ea_calc(DisasContext *ctx, int ra, TCGv displ)
3056 {
3057 TCGv ea = tcg_temp_new();
3058 if (ra) {
3059 tcg_gen_add_tl(ea, cpu_gpr[ra], displ);
3060 } else {
3061 tcg_gen_mov_tl(ea, displ);
3062 }
3063 if (NARROW_MODE(ctx)) {
3064 tcg_gen_ext32u_tl(ea, ea);
3065 }
3066 return ea;
3067 }
3068
3069 /*** Integer load ***/
3070 #define DEF_MEMOP(op) ((op) | ctx->default_tcg_memop_mask)
3071 #define BSWAP_MEMOP(op) ((op) | (ctx->default_tcg_memop_mask ^ MO_BSWAP))
3072
3073 #define GEN_QEMU_LOAD_TL(ldop, op) \
3074 static void glue(gen_qemu_, ldop)(DisasContext *ctx, \
3075 TCGv val, \
3076 TCGv addr) \
3077 { \
3078 tcg_gen_qemu_ld_tl(val, addr, ctx->mem_idx, op); \
3079 }
3080
3081 GEN_QEMU_LOAD_TL(ld8u, DEF_MEMOP(MO_UB))
3082 GEN_QEMU_LOAD_TL(ld16u, DEF_MEMOP(MO_UW))
3083 GEN_QEMU_LOAD_TL(ld16s, DEF_MEMOP(MO_SW))
3084 GEN_QEMU_LOAD_TL(ld32u, DEF_MEMOP(MO_UL))
3085 GEN_QEMU_LOAD_TL(ld32s, DEF_MEMOP(MO_SL))
3086
3087 GEN_QEMU_LOAD_TL(ld16ur, BSWAP_MEMOP(MO_UW))
3088 GEN_QEMU_LOAD_TL(ld32ur, BSWAP_MEMOP(MO_UL))
3089
3090 #define GEN_QEMU_LOAD_64(ldop, op) \
3091 static void glue(gen_qemu_, glue(ldop, _i64))(DisasContext *ctx, \
3092 TCGv_i64 val, \
3093 TCGv addr) \
3094 { \
3095 tcg_gen_qemu_ld_i64(val, addr, ctx->mem_idx, op); \
3096 }
3097
3098 GEN_QEMU_LOAD_64(ld8u, DEF_MEMOP(MO_UB))
3099 GEN_QEMU_LOAD_64(ld16u, DEF_MEMOP(MO_UW))
3100 GEN_QEMU_LOAD_64(ld32u, DEF_MEMOP(MO_UL))
3101 GEN_QEMU_LOAD_64(ld32s, DEF_MEMOP(MO_SL))
3102 GEN_QEMU_LOAD_64(ld64, DEF_MEMOP(MO_UQ))
3103
3104 #if defined(TARGET_PPC64)
3105 GEN_QEMU_LOAD_64(ld64ur, BSWAP_MEMOP(MO_UQ))
3106 #endif
3107
3108 #define GEN_QEMU_STORE_TL(stop, op) \
3109 static void glue(gen_qemu_, stop)(DisasContext *ctx, \
3110 TCGv val, \
3111 TCGv addr) \
3112 { \
3113 tcg_gen_qemu_st_tl(val, addr, ctx->mem_idx, op); \
3114 }
3115
3116 #if defined(TARGET_PPC64) || !defined(CONFIG_USER_ONLY)
3117 GEN_QEMU_STORE_TL(st8, DEF_MEMOP(MO_UB))
3118 #endif
3119 GEN_QEMU_STORE_TL(st16, DEF_MEMOP(MO_UW))
3120 GEN_QEMU_STORE_TL(st32, DEF_MEMOP(MO_UL))
3121
3122 GEN_QEMU_STORE_TL(st16r, BSWAP_MEMOP(MO_UW))
3123 GEN_QEMU_STORE_TL(st32r, BSWAP_MEMOP(MO_UL))
3124
3125 #define GEN_QEMU_STORE_64(stop, op) \
3126 static void glue(gen_qemu_, glue(stop, _i64))(DisasContext *ctx, \
3127 TCGv_i64 val, \
3128 TCGv addr) \
3129 { \
3130 tcg_gen_qemu_st_i64(val, addr, ctx->mem_idx, op); \
3131 }
3132
3133 GEN_QEMU_STORE_64(st8, DEF_MEMOP(MO_UB))
3134 GEN_QEMU_STORE_64(st16, DEF_MEMOP(MO_UW))
3135 GEN_QEMU_STORE_64(st32, DEF_MEMOP(MO_UL))
3136 GEN_QEMU_STORE_64(st64, DEF_MEMOP(MO_UQ))
3137
3138 #if defined(TARGET_PPC64)
3139 GEN_QEMU_STORE_64(st64r, BSWAP_MEMOP(MO_UQ))
3140 #endif
3141
3142 #define GEN_LDX_E(name, ldop, opc2, opc3, type, type2, chk) \
3143 static void glue(gen_, name##x)(DisasContext *ctx) \
3144 { \
3145 TCGv EA; \
3146 chk(ctx); \
3147 gen_set_access_type(ctx, ACCESS_INT); \
3148 EA = tcg_temp_new(); \
3149 gen_addr_reg_index(ctx, EA); \
3150 gen_qemu_##ldop(ctx, cpu_gpr[rD(ctx->opcode)], EA); \
3151 }
3152
3153 #define GEN_LDX(name, ldop, opc2, opc3, type) \
3154 GEN_LDX_E(name, ldop, opc2, opc3, type, PPC_NONE, CHK_NONE)
3155
3156 #define GEN_LDX_HVRM(name, ldop, opc2, opc3, type) \
3157 GEN_LDX_E(name, ldop, opc2, opc3, type, PPC_NONE, CHK_HVRM)
3158
3159 #define GEN_LDEPX(name, ldop, opc2, opc3) \
3160 static void glue(gen_, name##epx)(DisasContext *ctx) \
3161 { \
3162 TCGv EA; \
3163 CHK_SV(ctx); \
3164 gen_set_access_type(ctx, ACCESS_INT); \
3165 EA = tcg_temp_new(); \
3166 gen_addr_reg_index(ctx, EA); \
3167 tcg_gen_qemu_ld_tl(cpu_gpr[rD(ctx->opcode)], EA, PPC_TLB_EPID_LOAD, ldop);\
3168 }
3169
3170 GEN_LDEPX(lb, DEF_MEMOP(MO_UB), 0x1F, 0x02)
3171 GEN_LDEPX(lh, DEF_MEMOP(MO_UW), 0x1F, 0x08)
3172 GEN_LDEPX(lw, DEF_MEMOP(MO_UL), 0x1F, 0x00)
3173 #if defined(TARGET_PPC64)
3174 GEN_LDEPX(ld, DEF_MEMOP(MO_UQ), 0x1D, 0x00)
3175 #endif
3176
3177 #if defined(TARGET_PPC64)
3178 /* CI load/store variants */
3179 GEN_LDX_HVRM(ldcix, ld64_i64, 0x15, 0x1b, PPC_CILDST)
3180 GEN_LDX_HVRM(lwzcix, ld32u, 0x15, 0x15, PPC_CILDST)
3181 GEN_LDX_HVRM(lhzcix, ld16u, 0x15, 0x19, PPC_CILDST)
3182 GEN_LDX_HVRM(lbzcix, ld8u, 0x15, 0x1a, PPC_CILDST)
3183 #endif
3184
3185 /*** Integer store ***/
3186 #define GEN_STX_E(name, stop, opc2, opc3, type, type2, chk) \
3187 static void glue(gen_, name##x)(DisasContext *ctx) \
3188 { \
3189 TCGv EA; \
3190 chk(ctx); \
3191 gen_set_access_type(ctx, ACCESS_INT); \
3192 EA = tcg_temp_new(); \
3193 gen_addr_reg_index(ctx, EA); \
3194 gen_qemu_##stop(ctx, cpu_gpr[rS(ctx->opcode)], EA); \
3195 }
3196 #define GEN_STX(name, stop, opc2, opc3, type) \
3197 GEN_STX_E(name, stop, opc2, opc3, type, PPC_NONE, CHK_NONE)
3198
3199 #define GEN_STX_HVRM(name, stop, opc2, opc3, type) \
3200 GEN_STX_E(name, stop, opc2, opc3, type, PPC_NONE, CHK_HVRM)
3201
3202 #define GEN_STEPX(name, stop, opc2, opc3) \
3203 static void glue(gen_, name##epx)(DisasContext *ctx) \
3204 { \
3205 TCGv EA; \
3206 CHK_SV(ctx); \
3207 gen_set_access_type(ctx, ACCESS_INT); \
3208 EA = tcg_temp_new(); \
3209 gen_addr_reg_index(ctx, EA); \
3210 tcg_gen_qemu_st_tl( \
3211 cpu_gpr[rD(ctx->opcode)], EA, PPC_TLB_EPID_STORE, stop); \
3212 }
3213
3214 GEN_STEPX(stb, DEF_MEMOP(MO_UB), 0x1F, 0x06)
3215 GEN_STEPX(sth, DEF_MEMOP(MO_UW), 0x1F, 0x0C)
3216 GEN_STEPX(stw, DEF_MEMOP(MO_UL), 0x1F, 0x04)
3217 #if defined(TARGET_PPC64)
3218 GEN_STEPX(std, DEF_MEMOP(MO_UQ), 0x1d, 0x04)
3219 #endif
3220
3221 #if defined(TARGET_PPC64)
3222 GEN_STX_HVRM(stdcix, st64_i64, 0x15, 0x1f, PPC_CILDST)
3223 GEN_STX_HVRM(stwcix, st32, 0x15, 0x1c, PPC_CILDST)
3224 GEN_STX_HVRM(sthcix, st16, 0x15, 0x1d, PPC_CILDST)
3225 GEN_STX_HVRM(stbcix, st8, 0x15, 0x1e, PPC_CILDST)
3226 #endif
3227 /*** Integer load and store with byte reverse ***/
3228
3229 /* lhbrx */
3230 GEN_LDX(lhbr, ld16ur, 0x16, 0x18, PPC_INTEGER);
3231
3232 /* lwbrx */
3233 GEN_LDX(lwbr, ld32ur, 0x16, 0x10, PPC_INTEGER);
3234
3235 #if defined(TARGET_PPC64)
3236 /* ldbrx */
3237 GEN_LDX_E(ldbr, ld64ur_i64, 0x14, 0x10, PPC_NONE, PPC2_DBRX, CHK_NONE);
3238 /* stdbrx */
3239 GEN_STX_E(stdbr, st64r_i64, 0x14, 0x14, PPC_NONE, PPC2_DBRX, CHK_NONE);
3240 #endif /* TARGET_PPC64 */
3241
3242 /* sthbrx */
3243 GEN_STX(sthbr, st16r, 0x16, 0x1C, PPC_INTEGER);
3244 /* stwbrx */
3245 GEN_STX(stwbr, st32r, 0x16, 0x14, PPC_INTEGER);
3246
3247 /*** Integer load and store multiple ***/
3248
3249 /* lmw */
3250 static void gen_lmw(DisasContext *ctx)
3251 {
3252 TCGv t0;
3253 TCGv_i32 t1;
3254
3255 if (ctx->le_mode) {
3256 gen_align_no_le(ctx);
3257 return;
3258 }
3259 gen_set_access_type(ctx, ACCESS_INT);
3260 t0 = tcg_temp_new();
3261 t1 = tcg_constant_i32(rD(ctx->opcode));
3262 gen_addr_imm_index(ctx, t0, 0);
3263 gen_helper_lmw(cpu_env, t0, t1);
3264 }
3265
3266 /* stmw */
3267 static void gen_stmw(DisasContext *ctx)
3268 {
3269 TCGv t0;
3270 TCGv_i32 t1;
3271
3272 if (ctx->le_mode) {
3273 gen_align_no_le(ctx);
3274 return;
3275 }
3276 gen_set_access_type(ctx, ACCESS_INT);
3277 t0 = tcg_temp_new();
3278 t1 = tcg_constant_i32(rS(ctx->opcode));
3279 gen_addr_imm_index(ctx, t0, 0);
3280 gen_helper_stmw(cpu_env, t0, t1);
3281 }
3282
3283 /*** Integer load and store strings ***/
3284
3285 /* lswi */
3286 /*
3287 * PowerPC32 specification says we must generate an exception if rA is
3288 * in the range of registers to be loaded. In an other hand, IBM says
3289 * this is valid, but rA won't be loaded. For now, I'll follow the
3290 * spec...
3291 */
3292 static void gen_lswi(DisasContext *ctx)
3293 {
3294 TCGv t0;
3295 TCGv_i32 t1, t2;
3296 int nb = NB(ctx->opcode);
3297 int start = rD(ctx->opcode);
3298 int ra = rA(ctx->opcode);
3299 int nr;
3300
3301 if (ctx->le_mode) {
3302 gen_align_no_le(ctx);
3303 return;
3304 }
3305 if (nb == 0) {
3306 nb = 32;
3307 }
3308 nr = DIV_ROUND_UP(nb, 4);
3309 if (unlikely(lsw_reg_in_range(start, nr, ra))) {
3310 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_LSWX);
3311 return;
3312 }
3313 gen_set_access_type(ctx, ACCESS_INT);
3314 t0 = tcg_temp_new();
3315 gen_addr_register(ctx, t0);
3316 t1 = tcg_constant_i32(nb);
3317 t2 = tcg_constant_i32(start);
3318 gen_helper_lsw(cpu_env, t0, t1, t2);
3319 }
3320
3321 /* lswx */
3322 static void gen_lswx(DisasContext *ctx)
3323 {
3324 TCGv t0;
3325 TCGv_i32 t1, t2, t3;
3326
3327 if (ctx->le_mode) {
3328 gen_align_no_le(ctx);
3329 return;
3330 }
3331 gen_set_access_type(ctx, ACCESS_INT);
3332 t0 = tcg_temp_new();
3333 gen_addr_reg_index(ctx, t0);
3334 t1 = tcg_constant_i32(rD(ctx->opcode));
3335 t2 = tcg_constant_i32(rA(ctx->opcode));
3336 t3 = tcg_constant_i32(rB(ctx->opcode));
3337 gen_helper_lswx(cpu_env, t0, t1, t2, t3);
3338 }
3339
3340 /* stswi */
3341 static void gen_stswi(DisasContext *ctx)
3342 {
3343 TCGv t0;
3344 TCGv_i32 t1, t2;
3345 int nb = NB(ctx->opcode);
3346
3347 if (ctx->le_mode) {
3348 gen_align_no_le(ctx);
3349 return;
3350 }
3351 gen_set_access_type(ctx, ACCESS_INT);
3352 t0 = tcg_temp_new();
3353 gen_addr_register(ctx, t0);
3354 if (nb == 0) {
3355 nb = 32;
3356 }
3357 t1 = tcg_constant_i32(nb);
3358 t2 = tcg_constant_i32(rS(ctx->opcode));
3359 gen_helper_stsw(cpu_env, t0, t1, t2);
3360 }
3361
3362 /* stswx */
3363 static void gen_stswx(DisasContext *ctx)
3364 {
3365 TCGv t0;
3366 TCGv_i32 t1, t2;
3367
3368 if (ctx->le_mode) {
3369 gen_align_no_le(ctx);
3370 return;
3371 }
3372 gen_set_access_type(ctx, ACCESS_INT);
3373 t0 = tcg_temp_new();
3374 gen_addr_reg_index(ctx, t0);
3375 t1 = tcg_temp_new_i32();
3376 tcg_gen_trunc_tl_i32(t1, cpu_xer);
3377 tcg_gen_andi_i32(t1, t1, 0x7F);
3378 t2 = tcg_constant_i32(rS(ctx->opcode));
3379 gen_helper_stsw(cpu_env, t0, t1, t2);
3380 }
3381
3382 /*** Memory synchronisation ***/
3383 /* eieio */
3384 static void gen_eieio(DisasContext *ctx)
3385 {
3386 TCGBar bar = TCG_MO_ALL;
3387
3388 /*
3389 * eieio has complex semanitcs. It provides memory ordering between
3390 * operations in the set:
3391 * - loads from CI memory.
3392 * - stores to CI memory.
3393 * - stores to WT memory.
3394 *
3395 * It separately also orders memory for operations in the set:
3396 * - stores to cacheble memory.
3397 *
3398 * It also serializes instructions:
3399 * - dcbt and dcbst.
3400 *
3401 * It separately serializes:
3402 * - tlbie and tlbsync.
3403 *
3404 * And separately serializes:
3405 * - slbieg, slbiag, and slbsync.
3406 *
3407 * The end result is that CI memory ordering requires TCG_MO_ALL
3408 * and it is not possible to special-case more relaxed ordering for
3409 * cacheable accesses. TCG_BAR_SC is required to provide this
3410 * serialization.
3411 */
3412
3413 /*
3414 * POWER9 has a eieio instruction variant using bit 6 as a hint to
3415 * tell the CPU it is a store-forwarding barrier.
3416 */
3417 if (ctx->opcode & 0x2000000) {
3418 /*
3419 * ISA says that "Reserved fields in instructions are ignored
3420 * by the processor". So ignore the bit 6 on non-POWER9 CPU but
3421 * as this is not an instruction software should be using,
3422 * complain to the user.
3423 */
3424 if (!(ctx->insns_flags2 & PPC2_ISA300)) {
3425 qemu_log_mask(LOG_GUEST_ERROR, "invalid eieio using bit 6 at @"
3426 TARGET_FMT_lx "\n", ctx->cia);
3427 } else {
3428 bar = TCG_MO_ST_LD;
3429 }
3430 }
3431
3432 tcg_gen_mb(bar | TCG_BAR_SC);
3433 }
3434
3435 #if !defined(CONFIG_USER_ONLY)
3436 static inline void gen_check_tlb_flush(DisasContext *ctx, bool global)
3437 {
3438 TCGv_i32 t;
3439 TCGLabel *l;
3440
3441 if (!ctx->lazy_tlb_flush) {
3442 return;
3443 }
3444 l = gen_new_label();
3445 t = tcg_temp_new_i32();
3446 tcg_gen_ld_i32(t, cpu_env, offsetof(CPUPPCState, tlb_need_flush));
3447 tcg_gen_brcondi_i32(TCG_COND_EQ, t, 0, l);
3448 if (global) {
3449 gen_helper_check_tlb_flush_global(cpu_env);
3450 } else {
3451 gen_helper_check_tlb_flush_local(cpu_env);
3452 }
3453 gen_set_label(l);
3454 }
3455 #else
3456 static inline void gen_check_tlb_flush(DisasContext *ctx, bool global) { }
3457 #endif
3458
3459 /* isync */
3460 static void gen_isync(DisasContext *ctx)
3461 {
3462 /*
3463 * We need to check for a pending TLB flush. This can only happen in
3464 * kernel mode however so check MSR_PR
3465 */
3466 if (!ctx->pr) {
3467 gen_check_tlb_flush(ctx, false);
3468 }
3469 tcg_gen_mb(TCG_MO_ALL | TCG_BAR_SC);
3470 ctx->base.is_jmp = DISAS_EXIT_UPDATE;
3471 }
3472
3473 #define MEMOP_GET_SIZE(x) (1 << ((x) & MO_SIZE))
3474
3475 static void gen_load_locked(DisasContext *ctx, MemOp memop)
3476 {
3477 TCGv gpr = cpu_gpr[rD(ctx->opcode)];
3478 TCGv t0 = tcg_temp_new();
3479
3480 gen_set_access_type(ctx, ACCESS_RES);
3481 gen_addr_reg_index(ctx, t0);
3482 tcg_gen_qemu_ld_tl(gpr, t0, ctx->mem_idx, memop | MO_ALIGN);
3483 tcg_gen_mov_tl(cpu_reserve, t0);
3484 tcg_gen_mov_tl(cpu_reserve_val, gpr);
3485 tcg_gen_mb(TCG_MO_ALL | TCG_BAR_LDAQ);
3486 }
3487
3488 #define LARX(name, memop) \
3489 static void gen_##name(DisasContext *ctx) \
3490 { \
3491 gen_load_locked(ctx, memop); \
3492 }
3493
3494 /* lwarx */
3495 LARX(lbarx, DEF_MEMOP(MO_UB))
3496 LARX(lharx, DEF_MEMOP(MO_UW))
3497 LARX(lwarx, DEF_MEMOP(MO_UL))
3498
3499 static void gen_fetch_inc_conditional(DisasContext *ctx, MemOp memop,
3500 TCGv EA, TCGCond cond, int addend)
3501 {
3502 TCGv t = tcg_temp_new();
3503 TCGv t2 = tcg_temp_new();
3504 TCGv u = tcg_temp_new();
3505
3506 tcg_gen_qemu_ld_tl(t, EA, ctx->mem_idx, memop);
3507 tcg_gen_addi_tl(t2, EA, MEMOP_GET_SIZE(memop));
3508 tcg_gen_qemu_ld_tl(t2, t2, ctx->mem_idx, memop);
3509 tcg_gen_addi_tl(u, t, addend);
3510
3511 /* E.g. for fetch and increment bounded... */
3512 /* mem(EA,s) = (t != t2 ? u = t + 1 : t) */
3513 tcg_gen_movcond_tl(cond, u, t, t2, u, t);
3514 tcg_gen_qemu_st_tl(u, EA, ctx->mem_idx, memop);
3515
3516 /* RT = (t != t2 ? t : u = 1<<(s*8-1)) */
3517 tcg_gen_movi_tl(u, 1 << (MEMOP_GET_SIZE(memop) * 8 - 1));
3518 tcg_gen_movcond_tl(cond, cpu_gpr[rD(ctx->opcode)], t, t2, t, u);
3519 }
3520
3521 static void gen_ld_atomic(DisasContext *ctx, MemOp memop)
3522 {
3523 uint32_t gpr_FC = FC(ctx->opcode);
3524 TCGv EA = tcg_temp_new();
3525 int rt = rD(ctx->opcode);
3526 bool need_serial;
3527 TCGv src, dst;
3528
3529 gen_addr_register(ctx, EA);
3530 dst = cpu_gpr[rt];
3531 src = cpu_gpr[(rt + 1) & 31];
3532
3533 need_serial = false;
3534 memop |= MO_ALIGN;
3535 switch (gpr_FC) {
3536 case 0: /* Fetch and add */
3537 tcg_gen_atomic_fetch_add_tl(dst, EA, src, ctx->mem_idx, memop);
3538 break;
3539 case 1: /* Fetch and xor */
3540 tcg_gen_atomic_fetch_xor_tl(dst, EA, src, ctx->mem_idx, memop);
3541 break;
3542 case 2: /* Fetch and or */
3543 tcg_gen_atomic_fetch_or_tl(dst, EA, src, ctx->mem_idx, memop);
3544 break;
3545 case 3: /* Fetch and 'and' */
3546 tcg_gen_atomic_fetch_and_tl(dst, EA, src, ctx->mem_idx, memop);
3547 break;
3548 case 4: /* Fetch and max unsigned */
3549 tcg_gen_atomic_fetch_umax_tl(dst, EA, src, ctx->mem_idx, memop);
3550 break;
3551 case 5: /* Fetch and max signed */
3552 tcg_gen_atomic_fetch_smax_tl(dst, EA, src, ctx->mem_idx, memop);
3553 break;
3554 case 6: /* Fetch and min unsigned */
3555 tcg_gen_atomic_fetch_umin_tl(dst, EA, src, ctx->mem_idx, memop);
3556 break;
3557 case 7: /* Fetch and min signed */
3558 tcg_gen_atomic_fetch_smin_tl(dst, EA, src, ctx->mem_idx, memop);
3559 break;
3560 case 8: /* Swap */
3561 tcg_gen_atomic_xchg_tl(dst, EA, src, ctx->mem_idx, memop);
3562 break;
3563
3564 case 16: /* Compare and swap not equal */
3565 if (tb_cflags(ctx->base.tb) & CF_PARALLEL) {
3566 need_serial = true;
3567 } else {
3568 TCGv t0 = tcg_temp_new();
3569 TCGv t1 = tcg_temp_new();
3570
3571 tcg_gen_qemu_ld_tl(t0, EA, ctx->mem_idx, memop);
3572 if ((memop & MO_SIZE) == MO_64 || TARGET_LONG_BITS == 32) {
3573 tcg_gen_mov_tl(t1, src);
3574 } else {
3575 tcg_gen_ext32u_tl(t1, src);
3576 }
3577 tcg_gen_movcond_tl(TCG_COND_NE, t1, t0, t1,
3578 cpu_gpr[(rt + 2) & 31], t0);
3579 tcg_gen_qemu_st_tl(t1, EA, ctx->mem_idx, memop);
3580 tcg_gen_mov_tl(dst, t0);
3581 }
3582 break;
3583
3584 case 24: /* Fetch and increment bounded */
3585 if (tb_cflags(ctx->base.tb) & CF_PARALLEL) {
3586 need_serial = true;
3587 } else {
3588 gen_fetch_inc_conditional(ctx, memop, EA, TCG_COND_NE, 1);
3589 }
3590 break;
3591 case 25: /* Fetch and increment equal */
3592 if (tb_cflags(ctx->base.tb) & CF_PARALLEL) {
3593 need_serial = true;
3594 } else {
3595 gen_fetch_inc_conditional(ctx, memop, EA, TCG_COND_EQ, 1);
3596 }
3597 break;
3598 case 28: /* Fetch and decrement bounded */
3599 if (tb_cflags(ctx->base.tb) & CF_PARALLEL) {
3600 need_serial = true;
3601 } else {
3602 gen_fetch_inc_conditional(ctx, memop, EA, TCG_COND_NE, -1);
3603 }
3604 break;
3605
3606 default:
3607 /* invoke data storage error handler */
3608 gen_exception_err(ctx, POWERPC_EXCP_DSI, POWERPC_EXCP_INVAL);
3609 }
3610
3611 if (need_serial) {
3612 /* Restart with exclusive lock. */
3613 gen_helper_exit_atomic(cpu_env);
3614 ctx->base.is_jmp = DISAS_NORETURN;
3615 }
3616 }
3617
3618 static void gen_lwat(DisasContext *ctx)
3619 {
3620 gen_ld_atomic(ctx, DEF_MEMOP(MO_UL));
3621 }
3622
3623 #ifdef TARGET_PPC64
3624 static void gen_ldat(DisasContext *ctx)
3625 {
3626 gen_ld_atomic(ctx, DEF_MEMOP(MO_UQ));
3627 }
3628 #endif
3629
3630 static void gen_st_atomic(DisasContext *ctx, MemOp memop)
3631 {
3632 uint32_t gpr_FC = FC(ctx->opcode);
3633 TCGv EA = tcg_temp_new();
3634 TCGv src, discard;
3635
3636 gen_addr_register(ctx, EA);
3637 src = cpu_gpr[rD(ctx->opcode)];
3638 discard = tcg_temp_new();
3639
3640 memop |= MO_ALIGN;
3641 switch (gpr_FC) {
3642 case 0: /* add and Store */
3643 tcg_gen_atomic_add_fetch_tl(discard, EA, src, ctx->mem_idx, memop);
3644 break;
3645 case 1: /* xor and Store */
3646 tcg_gen_atomic_xor_fetch_tl(discard, EA, src, ctx->mem_idx, memop);
3647 break;
3648 case 2: /* Or and Store */
3649 tcg_gen_atomic_or_fetch_tl(discard, EA, src, ctx->mem_idx, memop);
3650 break;
3651 case 3: /* 'and' and Store */
3652 tcg_gen_atomic_and_fetch_tl(discard, EA, src, ctx->mem_idx, memop);
3653 break;
3654 case 4: /* Store max unsigned */
3655 tcg_gen_atomic_umax_fetch_tl(discard, EA, src, ctx->mem_idx, memop);
3656 break;
3657 case 5: /* Store max signed */
3658 tcg_gen_atomic_smax_fetch_tl(discard, EA, src, ctx->mem_idx, memop);
3659 break;
3660 case 6: /* Store min unsigned */
3661 tcg_gen_atomic_umin_fetch_tl(discard, EA, src, ctx->mem_idx, memop);
3662 break;
3663 case 7: /* Store min signed */
3664 tcg_gen_atomic_smin_fetch_tl(discard, EA, src, ctx->mem_idx, memop);
3665 break;
3666 case 24: /* Store twin */
3667 if (tb_cflags(ctx->base.tb) & CF_PARALLEL) {
3668 /* Restart with exclusive lock. */
3669 gen_helper_exit_atomic(cpu_env);
3670 ctx->base.is_jmp = DISAS_NORETURN;
3671 } else {
3672 TCGv t = tcg_temp_new();
3673 TCGv t2 = tcg_temp_new();
3674 TCGv s = tcg_temp_new();
3675 TCGv s2 = tcg_temp_new();
3676 TCGv ea_plus_s = tcg_temp_new();
3677
3678 tcg_gen_qemu_ld_tl(t, EA, ctx->mem_idx, memop);
3679 tcg_gen_addi_tl(ea_plus_s, EA, MEMOP_GET_SIZE(memop));
3680 tcg_gen_qemu_ld_tl(t2, ea_plus_s, ctx->mem_idx, memop);
3681 tcg_gen_movcond_tl(TCG_COND_EQ, s, t, t2, src, t);
3682 tcg_gen_movcond_tl(TCG_COND_EQ, s2, t, t2, src, t2);
3683 tcg_gen_qemu_st_tl(s, EA, ctx->mem_idx, memop);
3684 tcg_gen_qemu_st_tl(s2, ea_plus_s, ctx->mem_idx, memop);
3685 }
3686 break;
3687 default:
3688 /* invoke data storage error handler */
3689 gen_exception_err(ctx, POWERPC_EXCP_DSI, POWERPC_EXCP_INVAL);
3690 }
3691 }
3692
3693 static void gen_stwat(DisasContext *ctx)
3694 {
3695 gen_st_atomic(ctx, DEF_MEMOP(MO_UL));
3696 }
3697
3698 #ifdef TARGET_PPC64
3699 static void gen_stdat(DisasContext *ctx)
3700 {
3701 gen_st_atomic(ctx, DEF_MEMOP(MO_UQ));
3702 }
3703 #endif
3704
3705 static void gen_conditional_store(DisasContext *ctx, MemOp memop)
3706 {
3707 TCGLabel *l1 = gen_new_label();
3708 TCGLabel *l2 = gen_new_label();
3709 TCGv t0 = tcg_temp_new();
3710 int reg = rS(ctx->opcode);
3711
3712 gen_set_access_type(ctx, ACCESS_RES);
3713 gen_addr_reg_index(ctx, t0);
3714 tcg_gen_brcond_tl(TCG_COND_NE, t0, cpu_reserve, l1);
3715
3716 t0 = tcg_temp_new();
3717 tcg_gen_atomic_cmpxchg_tl(t0, cpu_reserve, cpu_reserve_val,
3718 cpu_gpr[reg], ctx->mem_idx,
3719 DEF_MEMOP(memop) | MO_ALIGN);
3720 tcg_gen_setcond_tl(TCG_COND_EQ, t0, t0, cpu_reserve_val);
3721 tcg_gen_shli_tl(t0, t0, CRF_EQ_BIT);
3722 tcg_gen_or_tl(t0, t0, cpu_so);
3723 tcg_gen_trunc_tl_i32(cpu_crf[0], t0);
3724 tcg_gen_br(l2);
3725
3726 gen_set_label(l1);
3727
3728 /*
3729 * Address mismatch implies failure. But we still need to provide
3730 * the memory barrier semantics of the instruction.
3731 */
3732 tcg_gen_mb(TCG_MO_ALL | TCG_BAR_STRL);
3733 tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so);
3734
3735 gen_set_label(l2);
3736 tcg_gen_movi_tl(cpu_reserve, -1);
3737 }
3738
3739 #define STCX(name, memop) \
3740 static void gen_##name(DisasContext *ctx) \
3741 { \
3742 gen_conditional_store(ctx, memop); \
3743 }
3744
3745 STCX(stbcx_, DEF_MEMOP(MO_UB))
3746 STCX(sthcx_, DEF_MEMOP(MO_UW))
3747 STCX(stwcx_, DEF_MEMOP(MO_UL))
3748
3749 #if defined(TARGET_PPC64)
3750 /* ldarx */
3751 LARX(ldarx, DEF_MEMOP(MO_UQ))
3752 /* stdcx. */
3753 STCX(stdcx_, DEF_MEMOP(MO_UQ))
3754
3755 /* lqarx */
3756 static void gen_lqarx(DisasContext *ctx)
3757 {
3758 int rd = rD(ctx->opcode);
3759 TCGv EA, hi, lo;
3760
3761 if (unlikely((rd & 1) || (rd == rA(ctx->opcode)) ||
3762 (rd == rB(ctx->opcode)))) {
3763 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
3764 return;
3765 }
3766
3767 gen_set_access_type(ctx, ACCESS_RES);
3768 EA = tcg_temp_new();
3769 gen_addr_reg_index(ctx, EA);
3770
3771 /* Note that the low part is always in RD+1, even in LE mode. */
3772 lo = cpu_gpr[rd + 1];
3773 hi = cpu_gpr[rd];
3774
3775 if (tb_cflags(ctx->base.tb) & CF_PARALLEL) {
3776 if (HAVE_ATOMIC128) {
3777 TCGv_i32 oi = tcg_temp_new_i32();
3778 if (ctx->le_mode) {
3779 tcg_gen_movi_i32(oi, make_memop_idx(MO_LE | MO_128 | MO_ALIGN,
3780 ctx->mem_idx));
3781 gen_helper_lq_le_parallel(lo, cpu_env, EA, oi);
3782 } else {
3783 tcg_gen_movi_i32(oi, make_memop_idx(MO_BE | MO_128 | MO_ALIGN,
3784 ctx->mem_idx));
3785 gen_helper_lq_be_parallel(lo, cpu_env, EA, oi);
3786 }
3787 tcg_gen_ld_i64(hi, cpu_env, offsetof(CPUPPCState, retxh));
3788 } else {
3789 /* Restart with exclusive lock. */
3790 gen_helper_exit_atomic(cpu_env);
3791 ctx->base.is_jmp = DISAS_NORETURN;
3792 return;
3793 }
3794 } else if (ctx->le_mode) {
3795 tcg_gen_qemu_ld_i64(lo, EA, ctx->mem_idx, MO_LEUQ | MO_ALIGN_16);
3796 tcg_gen_mov_tl(cpu_reserve, EA);
3797 gen_addr_add(ctx, EA, EA, 8);
3798 tcg_gen_qemu_ld_i64(hi, EA, ctx->mem_idx, MO_LEUQ);
3799 } else {
3800 tcg_gen_qemu_ld_i64(hi, EA, ctx->mem_idx, MO_BEUQ | MO_ALIGN_16);
3801 tcg_gen_mov_tl(cpu_reserve, EA);
3802 gen_addr_add(ctx, EA, EA, 8);
3803 tcg_gen_qemu_ld_i64(lo, EA, ctx->mem_idx, MO_BEUQ);
3804 }
3805
3806 tcg_gen_st_tl(hi, cpu_env, offsetof(CPUPPCState, reserve_val));
3807 tcg_gen_st_tl(lo, cpu_env, offsetof(CPUPPCState, reserve_val2));
3808 }
3809
3810 /* stqcx. */
3811 static void gen_stqcx_(DisasContext *ctx)
3812 {
3813 TCGLabel *lab_fail, *lab_over;
3814 int rs = rS(ctx->opcode);
3815 TCGv EA, t0, t1;
3816 TCGv_i128 cmp, val;
3817
3818 if (unlikely(rs & 1)) {
3819 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
3820 return;
3821 }
3822
3823 lab_fail = gen_new_label();
3824 lab_over = gen_new_label();
3825
3826 gen_set_access_type(ctx, ACCESS_RES);
3827 EA = tcg_temp_new();
3828 gen_addr_reg_index(ctx, EA);
3829
3830 tcg_gen_brcond_tl(TCG_COND_NE, EA, cpu_reserve, lab_fail);
3831
3832 cmp = tcg_temp_new_i128();
3833 val = tcg_temp_new_i128();
3834
3835 tcg_gen_concat_i64_i128(cmp, cpu_reserve_val2, cpu_reserve_val);
3836
3837 /* Note that the low part is always in RS+1, even in LE mode. */
3838 tcg_gen_concat_i64_i128(val, cpu_gpr[rs + 1], cpu_gpr[rs]);
3839
3840 tcg_gen_atomic_cmpxchg_i128(val, cpu_reserve, cmp, val, ctx->mem_idx,
3841 DEF_MEMOP(MO_128 | MO_ALIGN));
3842
3843 t0 = tcg_temp_new();
3844 t1 = tcg_temp_new();
3845 tcg_gen_extr_i128_i64(t1, t0, val);
3846
3847 tcg_gen_xor_tl(t1, t1, cpu_reserve_val2);
3848 tcg_gen_xor_tl(t0, t0, cpu_reserve_val);
3849 tcg_gen_or_tl(t0, t0, t1);
3850
3851 tcg_gen_setcondi_tl(TCG_COND_EQ, t0, t0, 0);
3852 tcg_gen_shli_tl(t0, t0, CRF_EQ_BIT);
3853 tcg_gen_or_tl(t0, t0, cpu_so);
3854 tcg_gen_trunc_tl_i32(cpu_crf[0], t0);
3855
3856 tcg_gen_br(lab_over);
3857 gen_set_label(lab_fail);
3858
3859 /*
3860 * Address mismatch implies failure. But we still need to provide
3861 * the memory barrier semantics of the instruction.
3862 */
3863 tcg_gen_mb(TCG_MO_ALL | TCG_BAR_STRL);
3864 tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so);
3865
3866 gen_set_label(lab_over);
3867 tcg_gen_movi_tl(cpu_reserve, -1);
3868 }
3869 #endif /* defined(TARGET_PPC64) */
3870
3871 /* sync */
3872 static void gen_sync(DisasContext *ctx)
3873 {
3874 TCGBar bar = TCG_MO_ALL;
3875 uint32_t l = (ctx->opcode >> 21) & 3;
3876
3877 if ((l == 1) && (ctx->insns_flags2 & PPC2_MEM_LWSYNC)) {
3878 bar = TCG_MO_LD_LD | TCG_MO_LD_ST | TCG_MO_ST_ST;
3879 }
3880
3881 /*
3882 * We may need to check for a pending TLB flush.
3883 *
3884 * We do this on ptesync (l == 2) on ppc64 and any sync pn ppc32.
3885 *
3886 * Additionally, this can only happen in kernel mode however so
3887 * check MSR_PR as well.
3888 */
3889 if (((l == 2) || !(ctx->insns_flags & PPC_64B)) && !ctx->pr) {
3890 gen_check_tlb_flush(ctx, true);
3891 }
3892
3893 tcg_gen_mb(bar | TCG_BAR_SC);
3894 }
3895
3896 /* wait */
3897 static void gen_wait(DisasContext *ctx)
3898 {
3899 uint32_t wc;
3900
3901 if (ctx->insns_flags & PPC_WAIT) {
3902 /* v2.03-v2.07 define an older incompatible 'wait' encoding. */
3903
3904 if (ctx->insns_flags2 & PPC2_PM_ISA206) {
3905 /* v2.06 introduced the WC field. WC > 0 may be treated as no-op. */
3906 wc = WC(ctx->opcode);
3907 } else {
3908 wc = 0;
3909 }
3910
3911 } else if (ctx->insns_flags2 & PPC2_ISA300) {
3912 /* v3.0 defines a new 'wait' encoding. */
3913 wc = WC(ctx->opcode);
3914 if (ctx->insns_flags2 & PPC2_ISA310) {
3915 uint32_t pl = PL(ctx->opcode);
3916
3917 /* WC 1,2 may be treated as no-op. WC 3 is reserved. */
3918 if (wc == 3) {
3919 gen_invalid(ctx);
3920 return;
3921 }
3922
3923 /* PL 1-3 are reserved. If WC=2 then the insn is treated as noop. */
3924 if (pl > 0 && wc != 2) {
3925 gen_invalid(ctx);
3926 return;
3927 }
3928
3929 } else { /* ISA300 */
3930 /* WC 1-3 are reserved */
3931 if (wc > 0) {
3932 gen_invalid(ctx);
3933 return;
3934 }
3935 }
3936
3937 } else {
3938 warn_report("wait instruction decoded with wrong ISA flags.");
3939 gen_invalid(ctx);
3940 return;
3941 }
3942
3943 /*
3944 * wait without WC field or with WC=0 waits for an exception / interrupt
3945 * to occur.
3946 */
3947 if (wc == 0) {
3948 TCGv_i32 t0 = tcg_constant_i32(1);
3949 tcg_gen_st_i32(t0, cpu_env,
3950 -offsetof(PowerPCCPU, env) + offsetof(CPUState, halted));
3951 /* Stop translation, as the CPU is supposed to sleep from now */
3952 gen_exception_nip(ctx, EXCP_HLT, ctx->base.pc_next);
3953 }
3954
3955 /*
3956 * Other wait types must not just wait until an exception occurs because
3957 * ignoring their other wake-up conditions could cause a hang.
3958 *
3959 * For v2.06 and 2.07, wc=1,2,3 are architected but may be implemented as
3960 * no-ops.
3961 *
3962 * wc=1 and wc=3 explicitly allow the instruction to be treated as a no-op.
3963 *
3964 * wc=2 waits for an implementation-specific condition, such could be
3965 * always true, so it can be implemented as a no-op.
3966 *
3967 * For v3.1, wc=1,2 are architected but may be implemented as no-ops.
3968 *
3969 * wc=1 (waitrsv) waits for an exception or a reservation to be lost.
3970 * Reservation-loss may have implementation-specific conditions, so it
3971 * can be implemented as a no-op.
3972 *
3973 * wc=2 waits for an exception or an amount of time to pass. This
3974 * amount is implementation-specific so it can be implemented as a
3975 * no-op.
3976 *
3977 * ISA v3.1 allows for execution to resume "in the rare case of
3978 * an implementation-dependent event", so in any case software must
3979 * not depend on the architected resumption condition to become
3980 * true, so no-op implementations should be architecturally correct
3981 * (if suboptimal).
3982 */
3983 }
3984
3985 #if defined(TARGET_PPC64)
3986 static void gen_doze(DisasContext *ctx)
3987 {
3988 #if defined(CONFIG_USER_ONLY)
3989 GEN_PRIV(ctx);
3990 #else
3991 TCGv_i32 t;
3992
3993 CHK_HV(ctx);
3994 t = tcg_constant_i32(PPC_PM_DOZE);
3995 gen_helper_pminsn(cpu_env, t);
3996 /* Stop translation, as the CPU is supposed to sleep from now */
3997 gen_exception_nip(ctx, EXCP_HLT, ctx->base.pc_next);
3998 #endif /* defined(CONFIG_USER_ONLY) */
3999 }
4000
4001 static void gen_nap(DisasContext *ctx)
4002 {
4003 #if defined(CONFIG_USER_ONLY)
4004 GEN_PRIV(ctx);
4005 #else
4006 TCGv_i32 t;
4007
4008 CHK_HV(ctx);
4009 t = tcg_constant_i32(PPC_PM_NAP);
4010 gen_helper_pminsn(cpu_env, t);
4011 /* Stop translation, as the CPU is supposed to sleep from now */
4012 gen_exception_nip(ctx, EXCP_HLT, ctx->base.pc_next);
4013 #endif /* defined(CONFIG_USER_ONLY) */
4014 }
4015
4016 static void gen_stop(DisasContext *ctx)
4017 {
4018 #if defined(CONFIG_USER_ONLY)
4019 GEN_PRIV(ctx);
4020 #else
4021 TCGv_i32 t;
4022
4023 CHK_HV(ctx);
4024 t = tcg_constant_i32(PPC_PM_STOP);
4025 gen_helper_pminsn(cpu_env, t);
4026 /* Stop translation, as the CPU is supposed to sleep from now */
4027 gen_exception_nip(ctx, EXCP_HLT, ctx->base.pc_next);
4028 #endif /* defined(CONFIG_USER_ONLY) */
4029 }
4030
4031 static void gen_sleep(DisasContext *ctx)
4032 {
4033 #if defined(CONFIG_USER_ONLY)
4034 GEN_PRIV(ctx);
4035 #else
4036 TCGv_i32 t;
4037
4038 CHK_HV(ctx);
4039 t = tcg_constant_i32(PPC_PM_SLEEP);
4040 gen_helper_pminsn(cpu_env, t);
4041 /* Stop translation, as the CPU is supposed to sleep from now */
4042 gen_exception_nip(ctx, EXCP_HLT, ctx->base.pc_next);
4043 #endif /* defined(CONFIG_USER_ONLY) */
4044 }
4045
4046 static void gen_rvwinkle(DisasContext *ctx)
4047 {
4048 #if defined(CONFIG_USER_ONLY)
4049 GEN_PRIV(ctx);
4050 #else
4051 TCGv_i32 t;
4052
4053 CHK_HV(ctx);
4054 t = tcg_constant_i32(PPC_PM_RVWINKLE);
4055 gen_helper_pminsn(cpu_env, t);
4056 /* Stop translation, as the CPU is supposed to sleep from now */
4057 gen_exception_nip(ctx, EXCP_HLT, ctx->base.pc_next);
4058 #endif /* defined(CONFIG_USER_ONLY) */
4059 }
4060 #endif /* #if defined(TARGET_PPC64) */
4061
4062 static inline void gen_update_cfar(DisasContext *ctx, target_ulong nip)
4063 {
4064 #if defined(TARGET_PPC64)
4065 if (ctx->has_cfar) {
4066 tcg_gen_movi_tl(cpu_cfar, nip);
4067 }
4068 #endif
4069 }
4070
4071 #if defined(TARGET_PPC64)
4072 static void pmu_count_insns(DisasContext *ctx)
4073 {
4074 /*
4075 * Do not bother calling the helper if the PMU isn't counting
4076 * instructions.
4077 */
4078 if (!ctx->pmu_insn_cnt) {
4079 return;
4080 }
4081
4082 #if !defined(CONFIG_USER_ONLY)
4083 TCGLabel *l;
4084 TCGv t0;
4085
4086 /*
4087 * The PMU insns_inc() helper stops the internal PMU timer if a
4088 * counter overflows happens. In that case, if the guest is
4089 * running with icount and we do not handle it beforehand,
4090 * the helper can trigger a 'bad icount read'.
4091 */
4092 gen_icount_io_start(ctx);
4093
4094 /* Avoid helper calls when only PMC5-6 are enabled. */
4095 if (!ctx->pmc_other) {
4096 l = gen_new_label();
4097 t0 = tcg_temp_new();
4098
4099 gen_load_spr(t0, SPR_POWER_PMC5);
4100 tcg_gen_addi_tl(t0, t0, ctx->base.num_insns);
4101 gen_store_spr(SPR_POWER_PMC5, t0);
4102 /* Check for overflow, if it's enabled */
4103 if (ctx->mmcr0_pmcjce) {
4104 tcg_gen_brcondi_tl(TCG_COND_LT, t0, PMC_COUNTER_NEGATIVE_VAL, l);
4105 gen_helper_handle_pmc5_overflow(cpu_env);
4106 }
4107
4108 gen_set_label(l);
4109 } else {
4110 gen_helper_insns_inc(cpu_env, tcg_constant_i32(ctx->base.num_insns));
4111 }
4112 #else
4113 /*
4114 * User mode can read (but not write) PMC5 and start/stop
4115 * the PMU via MMCR0_FC. In this case just increment
4116 * PMC5 with base.num_insns.
4117 */
4118 TCGv t0 = tcg_temp_new();
4119
4120 gen_load_spr(t0, SPR_POWER_PMC5);
4121 tcg_gen_addi_tl(t0, t0, ctx->base.num_insns);
4122 gen_store_spr(SPR_POWER_PMC5, t0);
4123 #endif /* #if !defined(CONFIG_USER_ONLY) */
4124 }
4125 #else
4126 static void pmu_count_insns(DisasContext *ctx)
4127 {
4128 return;
4129 }
4130 #endif /* #if defined(TARGET_PPC64) */
4131
4132 static inline bool use_goto_tb(DisasContext *ctx, target_ulong dest)
4133 {
4134 return translator_use_goto_tb(&ctx->base, dest);
4135 }
4136
4137 static void gen_lookup_and_goto_ptr(DisasContext *ctx)
4138 {
4139 if (unlikely(ctx->singlestep_enabled)) {
4140 gen_debug_exception(ctx);
4141 } else {
4142 /*
4143 * tcg_gen_lookup_and_goto_ptr will exit the TB if
4144 * CF_NO_GOTO_PTR is set. Count insns now.
4145 */
4146 if (ctx->base.tb->flags & CF_NO_GOTO_PTR) {
4147 pmu_count_insns(ctx);
4148 }
4149
4150 tcg_gen_lookup_and_goto_ptr();
4151 }
4152 }
4153
4154 /*** Branch ***/
4155 static void gen_goto_tb(DisasContext *ctx, int n, target_ulong dest)
4156 {
4157 if (NARROW_MODE(ctx)) {
4158 dest = (uint32_t) dest;
4159 }
4160 if (use_goto_tb(ctx, dest)) {
4161 pmu_count_insns(ctx);
4162 tcg_gen_goto_tb(n);
4163 tcg_gen_movi_tl(cpu_nip, dest & ~3);
4164 tcg_gen_exit_tb(ctx->base.tb, n);
4165 } else {
4166 tcg_gen_movi_tl(cpu_nip, dest & ~3);
4167 gen_lookup_and_goto_ptr(ctx);
4168 }
4169 }
4170
4171 static inline void gen_setlr(DisasContext *ctx, target_ulong nip)
4172 {
4173 if (NARROW_MODE(ctx)) {
4174 nip = (uint32_t)nip;
4175 }
4176 tcg_gen_movi_tl(cpu_lr, nip);
4177 }
4178
4179 /* b ba bl bla */
4180 static void gen_b(DisasContext *ctx)
4181 {
4182 target_ulong li, target;
4183
4184 /* sign extend LI */
4185 li = LI(ctx->opcode);
4186 li = (li ^ 0x02000000) - 0x02000000;
4187 if (likely(AA(ctx->opcode) == 0)) {
4188 target = ctx->cia + li;
4189 } else {
4190 target = li;
4191 }
4192 if (LK(ctx->opcode)) {
4193 gen_setlr(ctx, ctx->base.pc_next);
4194 }
4195 gen_update_cfar(ctx, ctx->cia);
4196 gen_goto_tb(ctx, 0, target);
4197 ctx->base.is_jmp = DISAS_NORETURN;
4198 }
4199
4200 #define BCOND_IM 0
4201 #define BCOND_LR 1
4202 #define BCOND_CTR 2
4203 #define BCOND_TAR 3
4204
4205 static void gen_bcond(DisasContext *ctx, int type)
4206 {
4207 uint32_t bo = BO(ctx->opcode);
4208 TCGLabel *l1;
4209 TCGv target;
4210
4211 if (type == BCOND_LR || type == BCOND_CTR || type == BCOND_TAR) {
4212 target = tcg_temp_new();
4213 if (type == BCOND_CTR) {
4214 tcg_gen_mov_tl(target, cpu_ctr);
4215 } else if (type == BCOND_TAR) {
4216 gen_load_spr(target, SPR_TAR);
4217 } else {
4218 tcg_gen_mov_tl(target, cpu_lr);
4219 }
4220 } else {
4221 target = NULL;
4222 }
4223 if (LK(ctx->opcode)) {
4224 gen_setlr(ctx, ctx->base.pc_next);
4225 }
4226 l1 = gen_new_label();
4227 if ((bo & 0x4) == 0) {
4228 /* Decrement and test CTR */
4229 TCGv temp = tcg_temp_new();
4230
4231 if (type == BCOND_CTR) {
4232 /*
4233 * All ISAs up to v3 describe this form of bcctr as invalid but
4234 * some processors, ie. 64-bit server processors compliant with
4235 * arch 2.x, do implement a "test and decrement" logic instead,
4236 * as described in their respective UMs. This logic involves CTR
4237 * to act as both the branch target and a counter, which makes
4238 * it basically useless and thus never used in real code.
4239 *
4240 * This form was hence chosen to trigger extra micro-architectural
4241 * side-effect on real HW needed for the Spectre v2 workaround.
4242 * It is up to guests that implement such workaround, ie. linux, to
4243 * use this form in a way it just triggers the side-effect without
4244 * doing anything else harmful.
4245 */
4246 if (unlikely(!is_book3s_arch2x(ctx))) {
4247 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
4248 return;
4249 }
4250
4251 if (NARROW_MODE(ctx)) {
4252 tcg_gen_ext32u_tl(temp, cpu_ctr);
4253 } else {
4254 tcg_gen_mov_tl(temp, cpu_ctr);
4255 }
4256 if (bo & 0x2) {
4257 tcg_gen_brcondi_tl(TCG_COND_NE, temp, 0, l1);
4258 } else {
4259 tcg_gen_brcondi_tl(TCG_COND_EQ, temp, 0, l1);
4260 }
4261 tcg_gen_subi_tl(cpu_ctr, cpu_ctr, 1);
4262 } else {
4263 tcg_gen_subi_tl(cpu_ctr, cpu_ctr, 1);
4264 if (NARROW_MODE(ctx)) {
4265 tcg_gen_ext32u_tl(temp, cpu_ctr);
4266 } else {
4267 tcg_gen_mov_tl(temp, cpu_ctr);
4268 }
4269 if (bo & 0x2) {
4270 tcg_gen_brcondi_tl(TCG_COND_NE, temp, 0, l1);
4271 } else {
4272 tcg_gen_brcondi_tl(TCG_COND_EQ, temp, 0, l1);
4273 }
4274 }
4275 }
4276 if ((bo & 0x10) == 0) {
4277 /* Test CR */
4278 uint32_t bi = BI(ctx->opcode);
4279 uint32_t mask = 0x08 >> (bi & 0x03);
4280 TCGv_i32 temp = tcg_temp_new_i32();
4281
4282 if (bo & 0x8) {
4283 tcg_gen_andi_i32(temp, cpu_crf[bi >> 2], mask);
4284 tcg_gen_brcondi_i32(TCG_COND_EQ, temp, 0, l1);
4285 } else {
4286 tcg_gen_andi_i32(temp, cpu_crf[bi >> 2], mask);
4287 tcg_gen_brcondi_i32(TCG_COND_NE, temp, 0, l1);
4288 }
4289 }
4290 gen_update_cfar(ctx, ctx->cia);
4291 if (type == BCOND_IM) {
4292 target_ulong li = (target_long)((int16_t)(BD(ctx->opcode)));
4293 if (likely(AA(ctx->opcode) == 0)) {
4294 gen_goto_tb(ctx, 0, ctx->cia + li);
4295 } else {
4296 gen_goto_tb(ctx, 0, li);
4297 }
4298 } else {
4299 if (NARROW_MODE(ctx)) {
4300 tcg_gen_andi_tl(cpu_nip, target, (uint32_t)~3);
4301 } else {
4302 tcg_gen_andi_tl(cpu_nip, target, ~3);
4303 }
4304 gen_lookup_and_goto_ptr(ctx);
4305 }
4306 if ((bo & 0x14) != 0x14) {
4307 /* fallthrough case */
4308 gen_set_label(l1);
4309 gen_goto_tb(ctx, 1, ctx->base.pc_next);
4310 }
4311 ctx->base.is_jmp = DISAS_NORETURN;
4312 }
4313
4314 static void gen_bc(DisasContext *ctx)
4315 {
4316 gen_bcond(ctx, BCOND_IM);
4317 }
4318
4319 static void gen_bcctr(DisasContext *ctx)
4320 {
4321 gen_bcond(ctx, BCOND_CTR);
4322 }
4323
4324 static void gen_bclr(DisasContext *ctx)
4325 {
4326 gen_bcond(ctx, BCOND_LR);
4327 }
4328
4329 static void gen_bctar(DisasContext *ctx)
4330 {
4331 gen_bcond(ctx, BCOND_TAR);
4332 }
4333
4334 /*** Condition register logical ***/
4335 #define GEN_CRLOGIC(name, tcg_op, opc) \
4336 static void glue(gen_, name)(DisasContext *ctx) \
4337 { \
4338 uint8_t bitmask; \
4339 int sh; \
4340 TCGv_i32 t0, t1; \
4341 sh = (crbD(ctx->opcode) & 0x03) - (crbA(ctx->opcode) & 0x03); \
4342 t0 = tcg_temp_new_i32(); \
4343 if (sh > 0) \
4344 tcg_gen_shri_i32(t0, cpu_crf[crbA(ctx->opcode) >> 2], sh); \
4345 else if (sh < 0) \
4346 tcg_gen_shli_i32(t0, cpu_crf[crbA(ctx->opcode) >> 2], -sh); \
4347 else \
4348 tcg_gen_mov_i32(t0, cpu_crf[crbA(ctx->opcode) >> 2]); \
4349 t1 = tcg_temp_new_i32(); \
4350 sh = (crbD(ctx->opcode) & 0x03) - (crbB(ctx->opcode) & 0x03); \
4351 if (sh > 0) \
4352 tcg_gen_shri_i32(t1, cpu_crf[crbB(ctx->opcode) >> 2], sh); \
4353 else if (sh < 0) \
4354 tcg_gen_shli_i32(t1, cpu_crf[crbB(ctx->opcode) >> 2], -sh); \
4355 else \
4356 tcg_gen_mov_i32(t1, cpu_crf[crbB(ctx->opcode) >> 2]); \
4357 tcg_op(t0, t0, t1); \
4358 bitmask = 0x08 >> (crbD(ctx->opcode) & 0x03); \
4359 tcg_gen_andi_i32(t0, t0, bitmask); \
4360 tcg_gen_andi_i32(t1, cpu_crf[crbD(ctx->opcode) >> 2], ~bitmask); \
4361 tcg_gen_or_i32(cpu_crf[crbD(ctx->opcode) >> 2], t0, t1); \
4362 }
4363
4364 /* crand */
4365 GEN_CRLOGIC(crand, tcg_gen_and_i32, 0x08);
4366 /* crandc */
4367 GEN_CRLOGIC(crandc, tcg_gen_andc_i32, 0x04);
4368 /* creqv */
4369 GEN_CRLOGIC(creqv, tcg_gen_eqv_i32, 0x09);
4370 /* crnand */
4371 GEN_CRLOGIC(crnand, tcg_gen_nand_i32, 0x07);
4372 /* crnor */
4373 GEN_CRLOGIC(crnor, tcg_gen_nor_i32, 0x01);
4374 /* cror */
4375 GEN_CRLOGIC(cror, tcg_gen_or_i32, 0x0E);
4376 /* crorc */
4377 GEN_CRLOGIC(crorc, tcg_gen_orc_i32, 0x0D);
4378 /* crxor */
4379 GEN_CRLOGIC(crxor, tcg_gen_xor_i32, 0x06);
4380
4381 /* mcrf */
4382 static void gen_mcrf(DisasContext *ctx)
4383 {
4384 tcg_gen_mov_i32(cpu_crf[crfD(ctx->opcode)], cpu_crf[crfS(ctx->opcode)]);
4385 }
4386
4387 /*** System linkage ***/
4388
4389 /* rfi (supervisor only) */
4390 static void gen_rfi(DisasContext *ctx)
4391 {
4392 #if defined(CONFIG_USER_ONLY)
4393 GEN_PRIV(ctx);
4394 #else
4395 /*
4396 * This instruction doesn't exist anymore on 64-bit server
4397 * processors compliant with arch 2.x
4398 */
4399 if (is_book3s_arch2x(ctx)) {
4400 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
4401 return;
4402 }
4403 /* Restore CPU state */
4404 CHK_SV(ctx);
4405 gen_icount_io_start(ctx);
4406 gen_update_cfar(ctx, ctx->cia);
4407 gen_helper_rfi(cpu_env);
4408 ctx->base.is_jmp = DISAS_EXIT;
4409 #endif
4410 }
4411
4412 #if defined(TARGET_PPC64)
4413 static void gen_rfid(DisasContext *ctx)
4414 {
4415 #if defined(CONFIG_USER_ONLY)
4416 GEN_PRIV(ctx);
4417 #else
4418 /* Restore CPU state */
4419 CHK_SV(ctx);
4420 gen_icount_io_start(ctx);
4421 gen_update_cfar(ctx, ctx->cia);
4422 gen_helper_rfid(cpu_env);
4423 ctx->base.is_jmp = DISAS_EXIT;
4424 #endif
4425 }
4426
4427 #if !defined(CONFIG_USER_ONLY)
4428 static void gen_rfscv(DisasContext *ctx)
4429 {
4430 #if defined(CONFIG_USER_ONLY)
4431 GEN_PRIV(ctx);
4432 #else
4433 /* Restore CPU state */
4434 CHK_SV(ctx);
4435 gen_icount_io_start(ctx);
4436 gen_update_cfar(ctx, ctx->cia);
4437 gen_helper_rfscv(cpu_env);
4438 ctx->base.is_jmp = DISAS_EXIT;
4439 #endif
4440 }
4441 #endif
4442
4443 static void gen_hrfid(DisasContext *ctx)
4444 {
4445 #if defined(CONFIG_USER_ONLY)
4446 GEN_PRIV(ctx);
4447 #else
4448 /* Restore CPU state */
4449 CHK_HV(ctx);
4450 gen_helper_hrfid(cpu_env);
4451 ctx->base.is_jmp = DISAS_EXIT;
4452 #endif
4453 }
4454 #endif
4455
4456 /* sc */
4457 #if defined(CONFIG_USER_ONLY)
4458 #define POWERPC_SYSCALL POWERPC_EXCP_SYSCALL_USER
4459 #else
4460 #define POWERPC_SYSCALL POWERPC_EXCP_SYSCALL
4461 #define POWERPC_SYSCALL_VECTORED POWERPC_EXCP_SYSCALL_VECTORED
4462 #endif
4463 static void gen_sc(DisasContext *ctx)
4464 {
4465 uint32_t lev;
4466
4467 lev = (ctx->opcode >> 5) & 0x7F;
4468 gen_exception_err(ctx, POWERPC_SYSCALL, lev);
4469 }
4470
4471 #if defined(TARGET_PPC64)
4472 #if !defined(CONFIG_USER_ONLY)
4473 static void gen_scv(DisasContext *ctx)
4474 {
4475 uint32_t lev = (ctx->opcode >> 5) & 0x7F;
4476
4477 /* Set the PC back to the faulting instruction. */
4478 gen_update_nip(ctx, ctx->cia);
4479 gen_helper_scv(cpu_env, tcg_constant_i32(lev));
4480
4481 ctx->base.is_jmp = DISAS_NORETURN;
4482 }
4483 #endif
4484 #endif
4485
4486 /*** Trap ***/
4487
4488 /* Check for unconditional traps (always or never) */
4489 static bool check_unconditional_trap(DisasContext *ctx)
4490 {
4491 /* Trap never */
4492 if (TO(ctx->opcode) == 0) {
4493 return true;
4494 }
4495 /* Trap always */
4496 if (TO(ctx->opcode) == 31) {
4497 gen_exception_err(ctx, POWERPC_EXCP_PROGRAM, POWERPC_EXCP_TRAP);
4498 return true;
4499 }
4500 return false;
4501 }
4502
4503 /* tw */
4504 static void gen_tw(DisasContext *ctx)
4505 {
4506 TCGv_i32 t0;
4507
4508 if (check_unconditional_trap(ctx)) {
4509 return;
4510 }
4511 t0 = tcg_constant_i32(TO(ctx->opcode));
4512 gen_helper_tw(cpu_env, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],
4513 t0);
4514 }
4515
4516 /* twi */
4517 static void gen_twi(DisasContext *ctx)
4518 {
4519 TCGv t0;
4520 TCGv_i32 t1;
4521
4522 if (check_unconditional_trap(ctx)) {
4523 return;
4524 }
4525 t0 = tcg_constant_tl(SIMM(ctx->opcode));
4526 t1 = tcg_constant_i32(TO(ctx->opcode));
4527 gen_helper_tw(cpu_env, cpu_gpr[rA(ctx->opcode)], t0, t1);
4528 }
4529
4530 #if defined(TARGET_PPC64)
4531 /* td */
4532 static void gen_td(DisasContext *ctx)
4533 {
4534 TCGv_i32 t0;
4535
4536 if (check_unconditional_trap(ctx)) {
4537 return;
4538 }
4539 t0 = tcg_constant_i32(TO(ctx->opcode));
4540 gen_helper_td(cpu_env, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],
4541 t0);
4542 }
4543
4544 /* tdi */
4545 static void gen_tdi(DisasContext *ctx)
4546 {
4547 TCGv t0;
4548 TCGv_i32 t1;
4549
4550 if (check_unconditional_trap(ctx)) {
4551 return;
4552 }
4553 t0 = tcg_constant_tl(SIMM(ctx->opcode));
4554 t1 = tcg_constant_i32(TO(ctx->opcode));
4555 gen_helper_td(cpu_env, cpu_gpr[rA(ctx->opcode)], t0, t1);
4556 }
4557 #endif
4558
4559 /*** Processor control ***/
4560
4561 /* mcrxr */
4562 static void gen_mcrxr(DisasContext *ctx)
4563 {
4564 TCGv_i32 t0 = tcg_temp_new_i32();
4565 TCGv_i32 t1 = tcg_temp_new_i32();
4566 TCGv_i32 dst = cpu_crf[crfD(ctx->opcode)];
4567
4568 tcg_gen_trunc_tl_i32(t0, cpu_so);
4569 tcg_gen_trunc_tl_i32(t1, cpu_ov);
4570 tcg_gen_trunc_tl_i32(dst, cpu_ca);
4571 tcg_gen_shli_i32(t0, t0, 3);
4572 tcg_gen_shli_i32(t1, t1, 2);
4573 tcg_gen_shli_i32(dst, dst, 1);
4574 tcg_gen_or_i32(dst, dst, t0);
4575 tcg_gen_or_i32(dst, dst, t1);
4576
4577 tcg_gen_movi_tl(cpu_so, 0);
4578 tcg_gen_movi_tl(cpu_ov, 0);
4579 tcg_gen_movi_tl(cpu_ca, 0);
4580 }
4581
4582 #ifdef TARGET_PPC64
4583 /* mcrxrx */
4584 static void gen_mcrxrx(DisasContext *ctx)
4585 {
4586 TCGv t0 = tcg_temp_new();
4587 TCGv t1 = tcg_temp_new();
4588 TCGv_i32 dst = cpu_crf[crfD(ctx->opcode)];
4589
4590 /* copy OV and OV32 */
4591 tcg_gen_shli_tl(t0, cpu_ov, 1);
4592 tcg_gen_or_tl(t0, t0, cpu_ov32);
4593 tcg_gen_shli_tl(t0, t0, 2);
4594 /* copy CA and CA32 */
4595 tcg_gen_shli_tl(t1, cpu_ca, 1);
4596 tcg_gen_or_tl(t1, t1, cpu_ca32);
4597 tcg_gen_or_tl(t0, t0, t1);
4598 tcg_gen_trunc_tl_i32(dst, t0);
4599 }
4600 #endif
4601
4602 /* mfcr mfocrf */
4603 static void gen_mfcr(DisasContext *ctx)
4604 {
4605 uint32_t crm, crn;
4606
4607 if (likely(ctx->opcode & 0x00100000)) {
4608 crm = CRM(ctx->opcode);
4609 if (likely(crm && ((crm & (crm - 1)) == 0))) {
4610 crn = ctz32(crm);
4611 tcg_gen_extu_i32_tl(cpu_gpr[rD(ctx->opcode)], cpu_crf[7 - crn]);
4612 tcg_gen_shli_tl(cpu_gpr[rD(ctx->opcode)],
4613 cpu_gpr[rD(ctx->opcode)], crn * 4);
4614 }
4615 } else {
4616 TCGv_i32 t0 = tcg_temp_new_i32();
4617 tcg_gen_mov_i32(t0, cpu_crf[0]);
4618 tcg_gen_shli_i32(t0, t0, 4);
4619 tcg_gen_or_i32(t0, t0, cpu_crf[1]);
4620 tcg_gen_shli_i32(t0, t0, 4);
4621 tcg_gen_or_i32(t0, t0, cpu_crf[2]);
4622 tcg_gen_shli_i32(t0, t0, 4);
4623 tcg_gen_or_i32(t0, t0, cpu_crf[3]);
4624 tcg_gen_shli_i32(t0, t0, 4);
4625 tcg_gen_or_i32(t0, t0, cpu_crf[4]);
4626 tcg_gen_shli_i32(t0, t0, 4);
4627 tcg_gen_or_i32(t0, t0, cpu_crf[5]);
4628 tcg_gen_shli_i32(t0, t0, 4);
4629 tcg_gen_or_i32(t0, t0, cpu_crf[6]);
4630 tcg_gen_shli_i32(t0, t0, 4);
4631 tcg_gen_or_i32(t0, t0, cpu_crf[7]);
4632 tcg_gen_extu_i32_tl(cpu_gpr[rD(ctx->opcode)], t0);
4633 }
4634 }
4635
4636 /* mfmsr */
4637 static void gen_mfmsr(DisasContext *ctx)
4638 {
4639 CHK_SV(ctx);
4640 tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_msr);
4641 }
4642
4643 /* mfspr */
4644 static inline void gen_op_mfspr(DisasContext *ctx)
4645 {
4646 void (*read_cb)(DisasContext *ctx, int gprn, int sprn);
4647 uint32_t sprn = SPR(ctx->opcode);
4648
4649 #if defined(CONFIG_USER_ONLY)
4650 read_cb = ctx->spr_cb[sprn].uea_read;
4651 #else
4652 if (ctx->pr) {
4653 read_cb = ctx->spr_cb[sprn].uea_read;
4654 } else if (ctx->hv) {
4655 read_cb = ctx->spr_cb[sprn].hea_read;
4656 } else {
4657 read_cb = ctx->spr_cb[sprn].oea_read;
4658 }
4659 #endif
4660 if (likely(read_cb != NULL)) {
4661 if (likely(read_cb != SPR_NOACCESS)) {
4662 (*read_cb)(ctx, rD(ctx->opcode), sprn);
4663 } else {
4664 /* Privilege exception */
4665 /*
4666 * This is a hack to avoid warnings when running Linux:
4667 * this OS breaks the PowerPC virtualisation model,
4668 * allowing userland application to read the PVR
4669 */
4670 if (sprn != SPR_PVR) {
4671 qemu_log_mask(LOG_GUEST_ERROR, "Trying to read privileged spr "
4672 "%d (0x%03x) at " TARGET_FMT_lx "\n", sprn, sprn,
4673 ctx->cia);
4674 }
4675 gen_priv_exception(ctx, POWERPC_EXCP_PRIV_REG);
4676 }
4677 } else {
4678 /* ISA 2.07 defines these as no-ops */
4679 if ((ctx->insns_flags2 & PPC2_ISA207S) &&
4680 (sprn >= 808 && sprn <= 811)) {
4681 /* This is a nop */
4682 return;
4683 }
4684 /* Not defined */
4685 qemu_log_mask(LOG_GUEST_ERROR,
4686 "Trying to read invalid spr %d (0x%03x) at "
4687 TARGET_FMT_lx "\n", sprn, sprn, ctx->cia);
4688
4689 /*
4690 * The behaviour depends on MSR:PR and SPR# bit 0x10, it can
4691 * generate a priv, a hv emu or a no-op
4692 */
4693 if (sprn & 0x10) {
4694 if (ctx->pr) {
4695 gen_priv_exception(ctx, POWERPC_EXCP_PRIV_REG);
4696 }
4697 } else {
4698 if (ctx->pr || sprn == 0 || sprn == 4 || sprn == 5 || sprn == 6) {
4699 gen_hvpriv_exception(ctx, POWERPC_EXCP_PRIV_REG);
4700 }
4701 }
4702 }
4703 }
4704
4705 static void gen_mfspr(DisasContext *ctx)
4706 {
4707 gen_op_mfspr(ctx);
4708 }
4709
4710 /* mftb */
4711 static void gen_mftb(DisasContext *ctx)
4712 {
4713 gen_op_mfspr(ctx);
4714 }
4715
4716 /* mtcrf mtocrf*/
4717 static void gen_mtcrf(DisasContext *ctx)
4718 {
4719 uint32_t crm, crn;
4720
4721 crm = CRM(ctx->opcode);
4722 if (likely((ctx->opcode & 0x00100000))) {
4723 if (crm && ((crm & (crm - 1)) == 0)) {
4724 TCGv_i32 temp = tcg_temp_new_i32();
4725 crn = ctz32(crm);
4726 tcg_gen_trunc_tl_i32(temp, cpu_gpr[rS(ctx->opcode)]);
4727 tcg_gen_shri_i32(temp, temp, crn * 4);
4728 tcg_gen_andi_i32(cpu_crf[7 - crn], temp, 0xf);
4729 }
4730 } else {
4731 TCGv_i32 temp = tcg_temp_new_i32();
4732 tcg_gen_trunc_tl_i32(temp, cpu_gpr[rS(ctx->opcode)]);
4733 for (crn = 0 ; crn < 8 ; crn++) {
4734 if (crm & (1 << crn)) {
4735 tcg_gen_shri_i32(cpu_crf[7 - crn], temp, crn * 4);
4736 tcg_gen_andi_i32(cpu_crf[7 - crn], cpu_crf[7 - crn], 0xf);
4737 }
4738 }
4739 }
4740 }
4741
4742 /* mtmsr */
4743 #if defined(TARGET_PPC64)
4744 static void gen_mtmsrd(DisasContext *ctx)
4745 {
4746 if (unlikely(!is_book3s_arch2x(ctx))) {
4747 gen_invalid(ctx);
4748 return;
4749 }
4750
4751 CHK_SV(ctx);
4752
4753 #if !defined(CONFIG_USER_ONLY)
4754 TCGv t0, t1;
4755 target_ulong mask;
4756
4757 t0 = tcg_temp_new();
4758 t1 = tcg_temp_new();
4759
4760 gen_icount_io_start(ctx);
4761
4762 if (ctx->opcode & 0x00010000) {
4763 /* L=1 form only updates EE and RI */
4764 mask = (1ULL << MSR_RI) | (1ULL << MSR_EE);
4765 } else {
4766 /* mtmsrd does not alter HV, S, ME, or LE */
4767 mask = ~((1ULL << MSR_LE) | (1ULL << MSR_ME) | (1ULL << MSR_S) |
4768 (1ULL << MSR_HV));
4769 /*
4770 * XXX: we need to update nip before the store if we enter
4771 * power saving mode, we will exit the loop directly from
4772 * ppc_store_msr
4773 */
4774 gen_update_nip(ctx, ctx->base.pc_next);
4775 }
4776
4777 tcg_gen_andi_tl(t0, cpu_gpr[rS(ctx->opcode)], mask);
4778 tcg_gen_andi_tl(t1, cpu_msr, ~mask);
4779 tcg_gen_or_tl(t0, t0, t1);
4780
4781 gen_helper_store_msr(cpu_env, t0);
4782
4783 /* Must stop the translation as machine state (may have) changed */
4784 ctx->base.is_jmp = DISAS_EXIT_UPDATE;
4785 #endif /* !defined(CONFIG_USER_ONLY) */
4786 }
4787 #endif /* defined(TARGET_PPC64) */
4788
4789 static void gen_mtmsr(DisasContext *ctx)
4790 {
4791 CHK_SV(ctx);
4792
4793 #if !defined(CONFIG_USER_ONLY)
4794 TCGv t0, t1;
4795 target_ulong mask = 0xFFFFFFFF;
4796
4797 t0 = tcg_temp_new();
4798 t1 = tcg_temp_new();
4799
4800 gen_icount_io_start(ctx);
4801 if (ctx->opcode & 0x00010000) {
4802 /* L=1 form only updates EE and RI */
4803 mask &= (1ULL << MSR_RI) | (1ULL << MSR_EE);
4804 } else {
4805 /* mtmsr does not alter S, ME, or LE */
4806 mask &= ~((1ULL << MSR_LE) | (1ULL << MSR_ME) | (1ULL << MSR_S));
4807
4808 /*
4809 * XXX: we need to update nip before the store if we enter
4810 * power saving mode, we will exit the loop directly from
4811 * ppc_store_msr
4812 */
4813 gen_update_nip(ctx, ctx->base.pc_next);
4814 }
4815
4816 tcg_gen_andi_tl(t0, cpu_gpr[rS(ctx->opcode)], mask);
4817 tcg_gen_andi_tl(t1, cpu_msr, ~mask);
4818 tcg_gen_or_tl(t0, t0, t1);
4819
4820 gen_helper_store_msr(cpu_env, t0);
4821
4822 /* Must stop the translation as machine state (may have) changed */
4823 ctx->base.is_jmp = DISAS_EXIT_UPDATE;
4824 #endif
4825 }
4826
4827 /* mtspr */
4828 static void gen_mtspr(DisasContext *ctx)
4829 {
4830 void (*write_cb)(DisasContext *ctx, int sprn, int gprn);
4831 uint32_t sprn = SPR(ctx->opcode);
4832
4833 #if defined(CONFIG_USER_ONLY)
4834 write_cb = ctx->spr_cb[sprn].uea_write;
4835 #else
4836 if (ctx->pr) {
4837 write_cb = ctx->spr_cb[sprn].uea_write;
4838 } else if (ctx->hv) {
4839 write_cb = ctx->spr_cb[sprn].hea_write;
4840 } else {
4841 write_cb = ctx->spr_cb[sprn].oea_write;
4842 }
4843 #endif
4844 if (likely(write_cb != NULL)) {
4845 if (likely(write_cb != SPR_NOACCESS)) {
4846 (*write_cb)(ctx, sprn, rS(ctx->opcode));
4847 } else {
4848 /* Privilege exception */
4849 qemu_log_mask(LOG_GUEST_ERROR, "Trying to write privileged spr "
4850 "%d (0x%03x) at " TARGET_FMT_lx "\n", sprn, sprn,
4851 ctx->cia);
4852 gen_priv_exception(ctx, POWERPC_EXCP_PRIV_REG);
4853 }
4854 } else {
4855 /* ISA 2.07 defines these as no-ops */
4856 if ((ctx->insns_flags2 & PPC2_ISA207S) &&
4857 (sprn >= 808 && sprn <= 811)) {
4858 /* This is a nop */
4859 return;
4860 }
4861
4862 /* Not defined */
4863 qemu_log_mask(LOG_GUEST_ERROR,
4864 "Trying to write invalid spr %d (0x%03x) at "
4865 TARGET_FMT_lx "\n", sprn, sprn, ctx->cia);
4866
4867
4868 /*
4869 * The behaviour depends on MSR:PR and SPR# bit 0x10, it can
4870 * generate a priv, a hv emu or a no-op
4871 */
4872 if (sprn & 0x10) {
4873 if (ctx->pr) {
4874 gen_priv_exception(ctx, POWERPC_EXCP_PRIV_REG);
4875 }
4876 } else {
4877 if (ctx->pr || sprn == 0) {
4878 gen_hvpriv_exception(ctx, POWERPC_EXCP_PRIV_REG);
4879 }
4880 }
4881 }
4882 }
4883
4884 #if defined(TARGET_PPC64)
4885 /* setb */
4886 static void gen_setb(DisasContext *ctx)
4887 {
4888 TCGv_i32 t0 = tcg_temp_new_i32();
4889 TCGv_i32 t8 = tcg_constant_i32(8);
4890 TCGv_i32 tm1 = tcg_constant_i32(-1);
4891 int crf = crfS(ctx->opcode);
4892
4893 tcg_gen_setcondi_i32(TCG_COND_GEU, t0, cpu_crf[crf], 4);
4894 tcg_gen_movcond_i32(TCG_COND_GEU, t0, cpu_crf[crf], t8, tm1, t0);
4895 tcg_gen_ext_i32_tl(cpu_gpr[rD(ctx->opcode)], t0);
4896 }
4897 #endif
4898
4899 /*** Cache management ***/
4900
4901 /* dcbf */
4902 static void gen_dcbf(DisasContext *ctx)
4903 {
4904 /* XXX: specification says this is treated as a load by the MMU */
4905 TCGv t0;
4906 gen_set_access_type(ctx, ACCESS_CACHE);
4907 t0 = tcg_temp_new();
4908 gen_addr_reg_index(ctx, t0);
4909 gen_qemu_ld8u(ctx, t0, t0);
4910 }
4911
4912 /* dcbfep (external PID dcbf) */
4913 static void gen_dcbfep(DisasContext *ctx)
4914 {
4915 /* XXX: specification says this is treated as a load by the MMU */
4916 TCGv t0;
4917 CHK_SV(ctx);
4918 gen_set_access_type(ctx, ACCESS_CACHE);
4919 t0 = tcg_temp_new();
4920 gen_addr_reg_index(ctx, t0);
4921 tcg_gen_qemu_ld_tl(t0, t0, PPC_TLB_EPID_LOAD, DEF_MEMOP(MO_UB));
4922 }
4923
4924 /* dcbi (Supervisor only) */
4925 static void gen_dcbi(DisasContext *ctx)
4926 {
4927 #if defined(CONFIG_USER_ONLY)
4928 GEN_PRIV(ctx);
4929 #else
4930 TCGv EA, val;
4931
4932 CHK_SV(ctx);
4933 EA = tcg_temp_new();
4934 gen_set_access_type(ctx, ACCESS_CACHE);
4935 gen_addr_reg_index(ctx, EA);
4936 val = tcg_temp_new();
4937 /* XXX: specification says this should be treated as a store by the MMU */
4938 gen_qemu_ld8u(ctx, val, EA);
4939 gen_qemu_st8(ctx, val, EA);
4940 #endif /* defined(CONFIG_USER_ONLY) */
4941 }
4942
4943 /* dcdst */
4944 static void gen_dcbst(DisasContext *ctx)
4945 {
4946 /* XXX: specification say this is treated as a load by the MMU */
4947 TCGv t0;
4948 gen_set_access_type(ctx, ACCESS_CACHE);
4949 t0 = tcg_temp_new();
4950 gen_addr_reg_index(ctx, t0);
4951 gen_qemu_ld8u(ctx, t0, t0);
4952 }
4953
4954 /* dcbstep (dcbstep External PID version) */
4955 static void gen_dcbstep(DisasContext *ctx)
4956 {
4957 /* XXX: specification say this is treated as a load by the MMU */
4958 TCGv t0;
4959 gen_set_access_type(ctx, ACCESS_CACHE);
4960 t0 = tcg_temp_new();
4961 gen_addr_reg_index(ctx, t0);
4962 tcg_gen_qemu_ld_tl(t0, t0, PPC_TLB_EPID_LOAD, DEF_MEMOP(MO_UB));
4963 }
4964
4965 /* dcbt */
4966 static void gen_dcbt(DisasContext *ctx)
4967 {
4968 /*
4969 * interpreted as no-op
4970 * XXX: specification say this is treated as a load by the MMU but
4971 * does not generate any exception
4972 */
4973 }
4974
4975 /* dcbtep */
4976 static void gen_dcbtep(DisasContext *ctx)
4977 {
4978 /*
4979 * interpreted as no-op
4980 * XXX: specification say this is treated as a load by the MMU but
4981 * does not generate any exception
4982 */
4983 }
4984
4985 /* dcbtst */
4986 static void gen_dcbtst(DisasContext *ctx)
4987 {
4988 /*
4989 * interpreted as no-op
4990 * XXX: specification say this is treated as a load by the MMU but
4991 * does not generate any exception
4992 */
4993 }
4994
4995 /* dcbtstep */
4996 static void gen_dcbtstep(DisasContext *ctx)
4997 {
4998 /*
4999 * interpreted as no-op
5000 * XXX: specification say this is treated as a load by the MMU but
5001 * does not generate any exception
5002 */
5003 }
5004
5005 /* dcbtls */
5006 static void gen_dcbtls(DisasContext *ctx)
5007 {
5008 /* Always fails locking the cache */
5009 TCGv t0 = tcg_temp_new();
5010 gen_load_spr(t0, SPR_Exxx_L1CSR0);
5011 tcg_gen_ori_tl(t0, t0, L1CSR0_CUL);
5012 gen_store_spr(SPR_Exxx_L1CSR0, t0);
5013 }
5014
5015 /* dcblc */
5016 static void gen_dcblc(DisasContext *ctx)
5017 {
5018 /*
5019 * interpreted as no-op
5020 */
5021 }
5022
5023 /* dcbz */
5024 static void gen_dcbz(DisasContext *ctx)
5025 {
5026 TCGv tcgv_addr;
5027 TCGv_i32 tcgv_op;
5028
5029 gen_set_access_type(ctx, ACCESS_CACHE);
5030 tcgv_addr = tcg_temp_new();
5031 tcgv_op = tcg_constant_i32(ctx->opcode & 0x03FF000);
5032 gen_addr_reg_index(ctx, tcgv_addr);
5033 gen_helper_dcbz(cpu_env, tcgv_addr, tcgv_op);
5034 }
5035
5036 /* dcbzep */
5037 static void gen_dcbzep(DisasContext *ctx)
5038 {
5039 TCGv tcgv_addr;
5040 TCGv_i32 tcgv_op;
5041
5042 gen_set_access_type(ctx, ACCESS_CACHE);
5043 tcgv_addr = tcg_temp_new();
5044 tcgv_op = tcg_constant_i32(ctx->opcode & 0x03FF000);
5045 gen_addr_reg_index(ctx, tcgv_addr);
5046 gen_helper_dcbzep(cpu_env, tcgv_addr, tcgv_op);
5047 }
5048
5049 /* dst / dstt */
5050 static void gen_dst(DisasContext *ctx)
5051 {
5052 if (rA(ctx->opcode) == 0) {
5053 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
5054 } else {
5055 /* interpreted as no-op */
5056 }
5057 }
5058
5059 /* dstst /dststt */
5060 static void gen_dstst(DisasContext *ctx)
5061 {
5062 if (rA(ctx->opcode) == 0) {
5063 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
5064 } else {
5065 /* interpreted as no-op */
5066 }
5067
5068 }
5069
5070 /* dss / dssall */
5071 static void gen_dss(DisasContext *ctx)
5072 {
5073 /* interpreted as no-op */
5074 }
5075
5076 /* icbi */
5077 static void gen_icbi(DisasContext *ctx)
5078 {
5079 TCGv t0;
5080 gen_set_access_type(ctx, ACCESS_CACHE);
5081 t0 = tcg_temp_new();
5082 gen_addr_reg_index(ctx, t0);
5083 gen_helper_icbi(cpu_env, t0);
5084 }
5085
5086 /* icbiep */
5087 static void gen_icbiep(DisasContext *ctx)
5088 {
5089 TCGv t0;
5090 gen_set_access_type(ctx, ACCESS_CACHE);
5091 t0 = tcg_temp_new();
5092 gen_addr_reg_index(ctx, t0);
5093 gen_helper_icbiep(cpu_env, t0);
5094 }
5095
5096 /* Optional: */
5097 /* dcba */
5098 static void gen_dcba(DisasContext *ctx)
5099 {
5100 /*
5101 * interpreted as no-op
5102 * XXX: specification say this is treated as a store by the MMU
5103 * but does not generate any exception
5104 */
5105 }
5106
5107 /*** Segment register manipulation ***/
5108 /* Supervisor only: */
5109
5110 /* mfsr */
5111 static void gen_mfsr(DisasContext *ctx)
5112 {
5113 #if defined(CONFIG_USER_ONLY)
5114 GEN_PRIV(ctx);
5115 #else
5116 TCGv t0;
5117
5118 CHK_SV(ctx);
5119 t0 = tcg_constant_tl(SR(ctx->opcode));
5120 gen_helper_load_sr(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
5121 #endif /* defined(CONFIG_USER_ONLY) */
5122 }
5123
5124 /* mfsrin */
5125 static void gen_mfsrin(DisasContext *ctx)
5126 {
5127 #if defined(CONFIG_USER_ONLY)
5128 GEN_PRIV(ctx);
5129 #else
5130 TCGv t0;
5131
5132 CHK_SV(ctx);
5133 t0 = tcg_temp_new();
5134 tcg_gen_extract_tl(t0, cpu_gpr[rB(ctx->opcode)], 28, 4);
5135 gen_helper_load_sr(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
5136 #endif /* defined(CONFIG_USER_ONLY) */
5137 }
5138
5139 /* mtsr */
5140 static void gen_mtsr(DisasContext *ctx)
5141 {
5142 #if defined(CONFIG_USER_ONLY)
5143 GEN_PRIV(ctx);
5144 #else
5145 TCGv t0;
5146
5147 CHK_SV(ctx);
5148 t0 = tcg_constant_tl(SR(ctx->opcode));
5149 gen_helper_store_sr(cpu_env, t0, cpu_gpr[rS(ctx->opcode)]);
5150 #endif /* defined(CONFIG_USER_ONLY) */
5151 }
5152
5153 /* mtsrin */
5154 static void gen_mtsrin(DisasContext *ctx)
5155 {
5156 #if defined(CONFIG_USER_ONLY)
5157 GEN_PRIV(ctx);
5158 #else
5159 TCGv t0;
5160 CHK_SV(ctx);
5161
5162 t0 = tcg_temp_new();
5163 tcg_gen_extract_tl(t0, cpu_gpr[rB(ctx->opcode)], 28, 4);
5164 gen_helper_store_sr(cpu_env, t0, cpu_gpr[rD(ctx->opcode)]);
5165 #endif /* defined(CONFIG_USER_ONLY) */
5166 }
5167
5168 #if defined(TARGET_PPC64)
5169 /* Specific implementation for PowerPC 64 "bridge" emulation using SLB */
5170
5171 /* mfsr */
5172 static void gen_mfsr_64b(DisasContext *ctx)
5173 {
5174 #if defined(CONFIG_USER_ONLY)
5175 GEN_PRIV(ctx);
5176 #else
5177 TCGv t0;
5178
5179 CHK_SV(ctx);
5180 t0 = tcg_constant_tl(SR(ctx->opcode));
5181 gen_helper_load_sr(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
5182 #endif /* defined(CONFIG_USER_ONLY) */
5183 }
5184
5185 /* mfsrin */
5186 static void gen_mfsrin_64b(DisasContext *ctx)
5187 {
5188 #if defined(CONFIG_USER_ONLY)
5189 GEN_PRIV(ctx);
5190 #else
5191 TCGv t0;
5192
5193 CHK_SV(ctx);
5194 t0 = tcg_temp_new();
5195 tcg_gen_extract_tl(t0, cpu_gpr[rB(ctx->opcode)], 28, 4);
5196 gen_helper_load_sr(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
5197 #endif /* defined(CONFIG_USER_ONLY) */
5198 }
5199
5200 /* mtsr */
5201 static void gen_mtsr_64b(DisasContext *ctx)
5202 {
5203 #if defined(CONFIG_USER_ONLY)
5204 GEN_PRIV(ctx);
5205 #else
5206 TCGv t0;
5207
5208 CHK_SV(ctx);
5209 t0 = tcg_constant_tl(SR(ctx->opcode));
5210 gen_helper_store_sr(cpu_env, t0, cpu_gpr[rS(ctx->opcode)]);
5211 #endif /* defined(CONFIG_USER_ONLY) */
5212 }
5213
5214 /* mtsrin */
5215 static void gen_mtsrin_64b(DisasContext *ctx)
5216 {
5217 #if defined(CONFIG_USER_ONLY)
5218 GEN_PRIV(ctx);
5219 #else
5220 TCGv t0;
5221
5222 CHK_SV(ctx);
5223 t0 = tcg_temp_new();
5224 tcg_gen_extract_tl(t0, cpu_gpr[rB(ctx->opcode)], 28, 4);
5225 gen_helper_store_sr(cpu_env, t0, cpu_gpr[rS(ctx->opcode)]);
5226 #endif /* defined(CONFIG_USER_ONLY) */
5227 }
5228
5229 #endif /* defined(TARGET_PPC64) */
5230
5231 /*** Lookaside buffer management ***/
5232 /* Optional & supervisor only: */
5233
5234 /* tlbia */
5235 static void gen_tlbia(DisasContext *ctx)
5236 {
5237 #if defined(CONFIG_USER_ONLY)
5238 GEN_PRIV(ctx);
5239 #else
5240 CHK_HV(ctx);
5241
5242 gen_helper_tlbia(cpu_env);
5243 #endif /* defined(CONFIG_USER_ONLY) */
5244 }
5245
5246 /* tlbsync */
5247 static void gen_tlbsync(DisasContext *ctx)
5248 {
5249 #if defined(CONFIG_USER_ONLY)
5250 GEN_PRIV(ctx);
5251 #else
5252
5253 if (ctx->gtse) {
5254 CHK_SV(ctx); /* If gtse is set then tlbsync is supervisor privileged */
5255 } else {
5256 CHK_HV(ctx); /* Else hypervisor privileged */
5257 }
5258
5259 /* BookS does both ptesync and tlbsync make tlbsync a nop for server */
5260 if (ctx->insns_flags & PPC_BOOKE) {
5261 gen_check_tlb_flush(ctx, true);
5262 }
5263 #endif /* defined(CONFIG_USER_ONLY) */
5264 }
5265
5266 /*** External control ***/
5267 /* Optional: */
5268
5269 /* eciwx */
5270 static void gen_eciwx(DisasContext *ctx)
5271 {
5272 TCGv t0;
5273 /* Should check EAR[E] ! */
5274 gen_set_access_type(ctx, ACCESS_EXT);
5275 t0 = tcg_temp_new();
5276 gen_addr_reg_index(ctx, t0);
5277 tcg_gen_qemu_ld_tl(cpu_gpr[rD(ctx->opcode)], t0, ctx->mem_idx,
5278 DEF_MEMOP(MO_UL | MO_ALIGN));
5279 }
5280
5281 /* ecowx */
5282 static void gen_ecowx(DisasContext *ctx)
5283 {
5284 TCGv t0;
5285 /* Should check EAR[E] ! */
5286 gen_set_access_type(ctx, ACCESS_EXT);
5287 t0 = tcg_temp_new();
5288 gen_addr_reg_index(ctx, t0);
5289 tcg_gen_qemu_st_tl(cpu_gpr[rD(ctx->opcode)], t0, ctx->mem_idx,
5290 DEF_MEMOP(MO_UL | MO_ALIGN));
5291 }
5292
5293 /* 602 - 603 - G2 TLB management */
5294
5295 /* tlbld */
5296 static void gen_tlbld_6xx(DisasContext *ctx)
5297 {
5298 #if defined(CONFIG_USER_ONLY)
5299 GEN_PRIV(ctx);
5300 #else
5301 CHK_SV(ctx);
5302 gen_helper_6xx_tlbd(cpu_env, cpu_gpr[rB(ctx->opcode)]);
5303 #endif /* defined(CONFIG_USER_ONLY) */
5304 }
5305
5306 /* tlbli */
5307 static void gen_tlbli_6xx(DisasContext *ctx)
5308 {
5309 #if defined(CONFIG_USER_ONLY)
5310 GEN_PRIV(ctx);
5311 #else
5312 CHK_SV(ctx);
5313 gen_helper_6xx_tlbi(cpu_env, cpu_gpr[rB(ctx->opcode)]);
5314 #endif /* defined(CONFIG_USER_ONLY) */
5315 }
5316
5317 /* BookE specific instructions */
5318
5319 /* XXX: not implemented on 440 ? */
5320 static void gen_mfapidi(DisasContext *ctx)
5321 {
5322 /* XXX: TODO */
5323 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
5324 }
5325
5326 /* XXX: not implemented on 440 ? */
5327 static void gen_tlbiva(DisasContext *ctx)
5328 {
5329 #if defined(CONFIG_USER_ONLY)
5330 GEN_PRIV(ctx);
5331 #else
5332 TCGv t0;
5333
5334 CHK_SV(ctx);
5335 t0 = tcg_temp_new();
5336 gen_addr_reg_index(ctx, t0);
5337 gen_helper_tlbiva(cpu_env, cpu_gpr[rB(ctx->opcode)]);
5338 #endif /* defined(CONFIG_USER_ONLY) */
5339 }
5340
5341 /* All 405 MAC instructions are translated here */
5342 static inline void gen_405_mulladd_insn(DisasContext *ctx, int opc2, int opc3,
5343 int ra, int rb, int rt, int Rc)
5344 {
5345 TCGv t0, t1;
5346
5347 t0 = tcg_temp_new();
5348 t1 = tcg_temp_new();
5349
5350 switch (opc3 & 0x0D) {
5351 case 0x05:
5352 /* macchw - macchw. - macchwo - macchwo. */
5353 /* macchws - macchws. - macchwso - macchwso. */
5354 /* nmacchw - nmacchw. - nmacchwo - nmacchwo. */
5355 /* nmacchws - nmacchws. - nmacchwso - nmacchwso. */
5356 /* mulchw - mulchw. */
5357 tcg_gen_ext16s_tl(t0, cpu_gpr[ra]);
5358 tcg_gen_sari_tl(t1, cpu_gpr[rb], 16);
5359 tcg_gen_ext16s_tl(t1, t1);
5360 break;
5361 case 0x04:
5362 /* macchwu - macchwu. - macchwuo - macchwuo. */
5363 /* macchwsu - macchwsu. - macchwsuo - macchwsuo. */
5364 /* mulchwu - mulchwu. */
5365 tcg_gen_ext16u_tl(t0, cpu_gpr[ra]);
5366 tcg_gen_shri_tl(t1, cpu_gpr[rb], 16);
5367 tcg_gen_ext16u_tl(t1, t1);
5368 break;
5369 case 0x01:
5370 /* machhw - machhw. - machhwo - machhwo. */
5371 /* machhws - machhws. - machhwso - machhwso. */
5372 /* nmachhw - nmachhw. - nmachhwo - nmachhwo. */
5373 /* nmachhws - nmachhws. - nmachhwso - nmachhwso. */
5374 /* mulhhw - mulhhw. */
5375 tcg_gen_sari_tl(t0, cpu_gpr[ra], 16);
5376 tcg_gen_ext16s_tl(t0, t0);
5377 tcg_gen_sari_tl(t1, cpu_gpr[rb], 16);
5378 tcg_gen_ext16s_tl(t1, t1);
5379 break;
5380 case 0x00:
5381 /* machhwu - machhwu. - machhwuo - machhwuo. */
5382 /* machhwsu - machhwsu. - machhwsuo - machhwsuo. */
5383 /* mulhhwu - mulhhwu. */
5384 tcg_gen_shri_tl(t0, cpu_gpr[ra], 16);
5385 tcg_gen_ext16u_tl(t0, t0);
5386 tcg_gen_shri_tl(t1, cpu_gpr[rb], 16);
5387 tcg_gen_ext16u_tl(t1, t1);
5388 break;
5389 case 0x0D:
5390 /* maclhw - maclhw. - maclhwo - maclhwo. */
5391 /* maclhws - maclhws. - maclhwso - maclhwso. */
5392 /* nmaclhw - nmaclhw. - nmaclhwo - nmaclhwo. */
5393 /* nmaclhws - nmaclhws. - nmaclhwso - nmaclhwso. */
5394 /* mullhw - mullhw. */
5395 tcg_gen_ext16s_tl(t0, cpu_gpr[ra]);
5396 tcg_gen_ext16s_tl(t1, cpu_gpr[rb]);
5397 break;
5398 case 0x0C:
5399 /* maclhwu - maclhwu. - maclhwuo - maclhwuo. */
5400 /* maclhwsu - maclhwsu. - maclhwsuo - maclhwsuo. */
5401 /* mullhwu - mullhwu. */
5402 tcg_gen_ext16u_tl(t0, cpu_gpr[ra]);
5403 tcg_gen_ext16u_tl(t1, cpu_gpr[rb]);
5404 break;
5405 }
5406 if (opc2 & 0x04) {
5407 /* (n)multiply-and-accumulate (0x0C / 0x0E) */
5408 tcg_gen_mul_tl(t1, t0, t1);
5409 if (opc2 & 0x02) {
5410 /* nmultiply-and-accumulate (0x0E) */
5411 tcg_gen_sub_tl(t0, cpu_gpr[rt], t1);
5412 } else {
5413 /* multiply-and-accumulate (0x0C) */
5414 tcg_gen_add_tl(t0, cpu_gpr[rt], t1);
5415 }
5416
5417 if (opc3 & 0x12) {
5418 /* Check overflow and/or saturate */
5419 TCGLabel *l1 = gen_new_label();
5420
5421 if (opc3 & 0x10) {
5422 /* Start with XER OV disabled, the most likely case */
5423 tcg_gen_movi_tl(cpu_ov, 0);
5424 }
5425 if (opc3 & 0x01) {
5426 /* Signed */
5427 tcg_gen_xor_tl(t1, cpu_gpr[rt], t1);
5428 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1);
5429 tcg_gen_xor_tl(t1, cpu_gpr[rt], t0);
5430 tcg_gen_brcondi_tl(TCG_COND_LT, t1, 0, l1);
5431 if (opc3 & 0x02) {
5432 /* Saturate */
5433 tcg_gen_sari_tl(t0, cpu_gpr[rt], 31);
5434 tcg_gen_xori_tl(t0, t0, 0x7fffffff);
5435 }
5436 } else {
5437 /* Unsigned */
5438 tcg_gen_brcond_tl(TCG_COND_GEU, t0, t1, l1);
5439 if (opc3 & 0x02) {
5440 /* Saturate */
5441 tcg_gen_movi_tl(t0, UINT32_MAX);
5442 }
5443 }
5444 if (opc3 & 0x10) {
5445 /* Check overflow */
5446 tcg_gen_movi_tl(cpu_ov, 1);
5447 tcg_gen_movi_tl(cpu_so, 1);
5448 }
5449 gen_set_label(l1);
5450 tcg_gen_mov_tl(cpu_gpr[rt], t0);
5451 }
5452 } else {
5453 tcg_gen_mul_tl(cpu_gpr[rt], t0, t1);
5454 }
5455 if (unlikely(Rc) != 0) {
5456 /* Update Rc0 */
5457 gen_set_Rc0(ctx, cpu_gpr[rt]);
5458 }
5459 }
5460
5461 #define GEN_MAC_HANDLER(name, opc2, opc3) \
5462 static void glue(gen_, name)(DisasContext *ctx) \
5463 { \
5464 gen_405_mulladd_insn(ctx, opc2, opc3, rA(ctx->opcode), rB(ctx->opcode), \
5465 rD(ctx->opcode), Rc(ctx->opcode)); \
5466 }
5467
5468 /* macchw - macchw. */
5469 GEN_MAC_HANDLER(macchw, 0x0C, 0x05);
5470 /* macchwo - macchwo. */
5471 GEN_MAC_HANDLER(macchwo, 0x0C, 0x15);
5472 /* macchws - macchws. */
5473 GEN_MAC_HANDLER(macchws, 0x0C, 0x07);
5474 /* macchwso - macchwso. */
5475 GEN_MAC_HANDLER(macchwso, 0x0C, 0x17);
5476 /* macchwsu - macchwsu. */
5477 GEN_MAC_HANDLER(macchwsu, 0x0C, 0x06);
5478 /* macchwsuo - macchwsuo. */
5479 GEN_MAC_HANDLER(macchwsuo, 0x0C, 0x16);
5480 /* macchwu - macchwu. */
5481 GEN_MAC_HANDLER(macchwu, 0x0C, 0x04);
5482 /* macchwuo - macchwuo. */
5483 GEN_MAC_HANDLER(macchwuo, 0x0C, 0x14);
5484 /* machhw - machhw. */
5485 GEN_MAC_HANDLER(machhw, 0x0C, 0x01);
5486 /* machhwo - machhwo. */
5487 GEN_MAC_HANDLER(machhwo, 0x0C, 0x11);
5488 /* machhws - machhws. */
5489 GEN_MAC_HANDLER(machhws, 0x0C, 0x03);
5490 /* machhwso - machhwso. */
5491 GEN_MAC_HANDLER(machhwso, 0x0C, 0x13);
5492 /* machhwsu - machhwsu. */
5493 GEN_MAC_HANDLER(machhwsu, 0x0C, 0x02);
5494 /* machhwsuo - machhwsuo. */
5495 GEN_MAC_HANDLER(machhwsuo, 0x0C, 0x12);
5496 /* machhwu - machhwu. */
5497 GEN_MAC_HANDLER(machhwu, 0x0C, 0x00);
5498 /* machhwuo - machhwuo. */
5499 GEN_MAC_HANDLER(machhwuo, 0x0C, 0x10);
5500 /* maclhw - maclhw. */
5501 GEN_MAC_HANDLER(maclhw, 0x0C, 0x0D);
5502 /* maclhwo - maclhwo. */
5503 GEN_MAC_HANDLER(maclhwo, 0x0C, 0x1D);
5504 /* maclhws - maclhws. */
5505 GEN_MAC_HANDLER(maclhws, 0x0C, 0x0F);
5506 /* maclhwso - maclhwso. */
5507 GEN_MAC_HANDLER(maclhwso, 0x0C, 0x1F);
5508 /* maclhwu - maclhwu. */
5509 GEN_MAC_HANDLER(maclhwu, 0x0C, 0x0C);
5510 /* maclhwuo - maclhwuo. */
5511 GEN_MAC_HANDLER(maclhwuo, 0x0C, 0x1C);
5512 /* maclhwsu - maclhwsu. */
5513 GEN_MAC_HANDLER(maclhwsu, 0x0C, 0x0E);
5514 /* maclhwsuo - maclhwsuo. */
5515 GEN_MAC_HANDLER(maclhwsuo, 0x0C, 0x1E);
5516 /* nmacchw - nmacchw. */
5517 GEN_MAC_HANDLER(nmacchw, 0x0E, 0x05);
5518 /* nmacchwo - nmacchwo. */
5519 GEN_MAC_HANDLER(nmacchwo, 0x0E, 0x15);
5520 /* nmacchws - nmacchws. */
5521 GEN_MAC_HANDLER(nmacchws, 0x0E, 0x07);
5522 /* nmacchwso - nmacchwso. */
5523 GEN_MAC_HANDLER(nmacchwso, 0x0E, 0x17);
5524 /* nmachhw - nmachhw. */
5525 GEN_MAC_HANDLER(nmachhw, 0x0E, 0x01);
5526 /* nmachhwo - nmachhwo. */
5527 GEN_MAC_HANDLER(nmachhwo, 0x0E, 0x11);
5528 /* nmachhws - nmachhws. */
5529 GEN_MAC_HANDLER(nmachhws, 0x0E, 0x03);
5530 /* nmachhwso - nmachhwso. */
5531 GEN_MAC_HANDLER(nmachhwso, 0x0E, 0x13);
5532 /* nmaclhw - nmaclhw. */
5533 GEN_MAC_HANDLER(nmaclhw, 0x0E, 0x0D);
5534 /* nmaclhwo - nmaclhwo. */
5535 GEN_MAC_HANDLER(nmaclhwo, 0x0E, 0x1D);
5536 /* nmaclhws - nmaclhws. */
5537 GEN_MAC_HANDLER(nmaclhws, 0x0E, 0x0F);
5538 /* nmaclhwso - nmaclhwso. */
5539 GEN_MAC_HANDLER(nmaclhwso, 0x0E, 0x1F);
5540
5541 /* mulchw - mulchw. */
5542 GEN_MAC_HANDLER(mulchw, 0x08, 0x05);
5543 /* mulchwu - mulchwu. */
5544 GEN_MAC_HANDLER(mulchwu, 0x08, 0x04);
5545 /* mulhhw - mulhhw. */
5546 GEN_MAC_HANDLER(mulhhw, 0x08, 0x01);
5547 /* mulhhwu - mulhhwu. */
5548 GEN_MAC_HANDLER(mulhhwu, 0x08, 0x00);
5549 /* mullhw - mullhw. */
5550 GEN_MAC_HANDLER(mullhw, 0x08, 0x0D);
5551 /* mullhwu - mullhwu. */
5552 GEN_MAC_HANDLER(mullhwu, 0x08, 0x0C);
5553
5554 /* mfdcr */
5555 static void gen_mfdcr(DisasContext *ctx)
5556 {
5557 #if defined(CONFIG_USER_ONLY)
5558 GEN_PRIV(ctx);
5559 #else
5560 TCGv dcrn;
5561
5562 CHK_SV(ctx);
5563 dcrn = tcg_constant_tl(SPR(ctx->opcode));
5564 gen_helper_load_dcr(cpu_gpr[rD(ctx->opcode)], cpu_env, dcrn);
5565 #endif /* defined(CONFIG_USER_ONLY) */
5566 }
5567
5568 /* mtdcr */
5569 static void gen_mtdcr(DisasContext *ctx)
5570 {
5571 #if defined(CONFIG_USER_ONLY)
5572 GEN_PRIV(ctx);
5573 #else
5574 TCGv dcrn;
5575
5576 CHK_SV(ctx);
5577 dcrn = tcg_constant_tl(SPR(ctx->opcode));
5578 gen_helper_store_dcr(cpu_env, dcrn, cpu_gpr[rS(ctx->opcode)]);
5579 #endif /* defined(CONFIG_USER_ONLY) */
5580 }
5581
5582 /* mfdcrx */
5583 /* XXX: not implemented on 440 ? */
5584 static void gen_mfdcrx(DisasContext *ctx)
5585 {
5586 #if defined(CONFIG_USER_ONLY)
5587 GEN_PRIV(ctx);
5588 #else
5589 CHK_SV(ctx);
5590 gen_helper_load_dcr(cpu_gpr[rD(ctx->opcode)], cpu_env,
5591 cpu_gpr[rA(ctx->opcode)]);
5592 /* Note: Rc update flag set leads to undefined state of Rc0 */
5593 #endif /* defined(CONFIG_USER_ONLY) */
5594 }
5595
5596 /* mtdcrx */
5597 /* XXX: not implemented on 440 ? */
5598 static void gen_mtdcrx(DisasContext *ctx)
5599 {
5600 #if defined(CONFIG_USER_ONLY)
5601 GEN_PRIV(ctx);
5602 #else
5603 CHK_SV(ctx);
5604 gen_helper_store_dcr(cpu_env, cpu_gpr[rA(ctx->opcode)],
5605 cpu_gpr[rS(ctx->opcode)]);
5606 /* Note: Rc update flag set leads to undefined state of Rc0 */
5607 #endif /* defined(CONFIG_USER_ONLY) */
5608 }
5609
5610 /* dccci */
5611 static void gen_dccci(DisasContext *ctx)
5612 {
5613 CHK_SV(ctx);
5614 /* interpreted as no-op */
5615 }
5616
5617 /* dcread */
5618 static void gen_dcread(DisasContext *ctx)
5619 {
5620 #if defined(CONFIG_USER_ONLY)
5621 GEN_PRIV(ctx);
5622 #else
5623 TCGv EA, val;
5624
5625 CHK_SV(ctx);
5626 gen_set_access_type(ctx, ACCESS_CACHE);
5627 EA = tcg_temp_new();
5628 gen_addr_reg_index(ctx, EA);
5629 val = tcg_temp_new();
5630 gen_qemu_ld32u(ctx, val, EA);
5631 tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], EA);
5632 #endif /* defined(CONFIG_USER_ONLY) */
5633 }
5634
5635 /* icbt */
5636 static void gen_icbt_40x(DisasContext *ctx)
5637 {
5638 /*
5639 * interpreted as no-op
5640 * XXX: specification say this is treated as a load by the MMU but
5641 * does not generate any exception
5642 */
5643 }
5644
5645 /* iccci */
5646 static void gen_iccci(DisasContext *ctx)
5647 {
5648 CHK_SV(ctx);
5649 /* interpreted as no-op */
5650 }
5651
5652 /* icread */
5653 static void gen_icread(DisasContext *ctx)
5654 {
5655 CHK_SV(ctx);
5656 /* interpreted as no-op */
5657 }
5658
5659 /* rfci (supervisor only) */
5660 static void gen_rfci_40x(DisasContext *ctx)
5661 {
5662 #if defined(CONFIG_USER_ONLY)
5663 GEN_PRIV(ctx);
5664 #else
5665 CHK_SV(ctx);
5666 /* Restore CPU state */
5667 gen_helper_40x_rfci(cpu_env);
5668 ctx->base.is_jmp = DISAS_EXIT;
5669 #endif /* defined(CONFIG_USER_ONLY) */
5670 }
5671
5672 static void gen_rfci(DisasContext *ctx)
5673 {
5674 #if defined(CONFIG_USER_ONLY)
5675 GEN_PRIV(ctx);
5676 #else
5677 CHK_SV(ctx);
5678 /* Restore CPU state */
5679 gen_helper_rfci(cpu_env);
5680 ctx->base.is_jmp = DISAS_EXIT;
5681 #endif /* defined(CONFIG_USER_ONLY) */
5682 }
5683
5684 /* BookE specific */
5685
5686 /* XXX: not implemented on 440 ? */
5687 static void gen_rfdi(DisasContext *ctx)
5688 {
5689 #if defined(CONFIG_USER_ONLY)
5690 GEN_PRIV(ctx);
5691 #else
5692 CHK_SV(ctx);
5693 /* Restore CPU state */
5694 gen_helper_rfdi(cpu_env);
5695 ctx->base.is_jmp = DISAS_EXIT;
5696 #endif /* defined(CONFIG_USER_ONLY) */
5697 }
5698
5699 /* XXX: not implemented on 440 ? */
5700 static void gen_rfmci(DisasContext *ctx)
5701 {
5702 #if defined(CONFIG_USER_ONLY)
5703 GEN_PRIV(ctx);
5704 #else
5705 CHK_SV(ctx);
5706 /* Restore CPU state */
5707 gen_helper_rfmci(cpu_env);
5708 ctx->base.is_jmp = DISAS_EXIT;
5709 #endif /* defined(CONFIG_USER_ONLY) */
5710 }
5711
5712 /* TLB management - PowerPC 405 implementation */
5713
5714 /* tlbre */
5715 static void gen_tlbre_40x(DisasContext *ctx)
5716 {
5717 #if defined(CONFIG_USER_ONLY)
5718 GEN_PRIV(ctx);
5719 #else
5720 CHK_SV(ctx);
5721 switch (rB(ctx->opcode)) {
5722 case 0:
5723 gen_helper_4xx_tlbre_hi(cpu_gpr[rD(ctx->opcode)], cpu_env,
5724 cpu_gpr[rA(ctx->opcode)]);
5725 break;
5726 case 1:
5727 gen_helper_4xx_tlbre_lo(cpu_gpr[rD(ctx->opcode)], cpu_env,
5728 cpu_gpr[rA(ctx->opcode)]);
5729 break;
5730 default:
5731 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
5732 break;
5733 }
5734 #endif /* defined(CONFIG_USER_ONLY) */
5735 }
5736
5737 /* tlbsx - tlbsx. */
5738 static void gen_tlbsx_40x(DisasContext *ctx)
5739 {
5740 #if defined(CONFIG_USER_ONLY)
5741 GEN_PRIV(ctx);
5742 #else
5743 TCGv t0;
5744
5745 CHK_SV(ctx);
5746 t0 = tcg_temp_new();
5747 gen_addr_reg_index(ctx, t0);
5748 gen_helper_4xx_tlbsx(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
5749 if (Rc(ctx->opcode)) {
5750 TCGLabel *l1 = gen_new_label();
5751 tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so);
5752 tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[rD(ctx->opcode)], -1, l1);
5753 tcg_gen_ori_i32(cpu_crf[0], cpu_crf[0], 0x02);
5754 gen_set_label(l1);
5755 }
5756 #endif /* defined(CONFIG_USER_ONLY) */
5757 }
5758
5759 /* tlbwe */
5760 static void gen_tlbwe_40x(DisasContext *ctx)
5761 {
5762 #if defined(CONFIG_USER_ONLY)
5763 GEN_PRIV(ctx);
5764 #else
5765 CHK_SV(ctx);
5766
5767 switch (rB(ctx->opcode)) {
5768 case 0:
5769 gen_helper_4xx_tlbwe_hi(cpu_env, cpu_gpr[rA(ctx->opcode)],
5770 cpu_gpr[rS(ctx->opcode)]);
5771 break;
5772 case 1:
5773 gen_helper_4xx_tlbwe_lo(cpu_env, cpu_gpr[rA(ctx->opcode)],
5774 cpu_gpr[rS(ctx->opcode)]);
5775 break;
5776 default:
5777 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
5778 break;
5779 }
5780 #endif /* defined(CONFIG_USER_ONLY) */
5781 }
5782
5783 /* TLB management - PowerPC 440 implementation */
5784
5785 /* tlbre */
5786 static void gen_tlbre_440(DisasContext *ctx)
5787 {
5788 #if defined(CONFIG_USER_ONLY)
5789 GEN_PRIV(ctx);
5790 #else
5791 CHK_SV(ctx);
5792
5793 switch (rB(ctx->opcode)) {
5794 case 0:
5795 case 1:
5796 case 2:
5797 {
5798 TCGv_i32 t0 = tcg_constant_i32(rB(ctx->opcode));
5799 gen_helper_440_tlbre(cpu_gpr[rD(ctx->opcode)], cpu_env,
5800 t0, cpu_gpr[rA(ctx->opcode)]);
5801 }
5802 break;
5803 default:
5804 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
5805 break;
5806 }
5807 #endif /* defined(CONFIG_USER_ONLY) */
5808 }
5809
5810 /* tlbsx - tlbsx. */
5811 static void gen_tlbsx_440(DisasContext *ctx)
5812 {
5813 #if defined(CONFIG_USER_ONLY)
5814 GEN_PRIV(ctx);
5815 #else
5816 TCGv t0;
5817
5818 CHK_SV(ctx);
5819 t0 = tcg_temp_new();
5820 gen_addr_reg_index(ctx, t0);
5821 gen_helper_440_tlbsx(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
5822 if (Rc(ctx->opcode)) {
5823 TCGLabel *l1 = gen_new_label();
5824 tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so);
5825 tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[rD(ctx->opcode)], -1, l1);
5826 tcg_gen_ori_i32(cpu_crf[0], cpu_crf[0], 0x02);
5827 gen_set_label(l1);
5828 }
5829 #endif /* defined(CONFIG_USER_ONLY) */
5830 }
5831
5832 /* tlbwe */
5833 static void gen_tlbwe_440(DisasContext *ctx)
5834 {
5835 #if defined(CONFIG_USER_ONLY)
5836 GEN_PRIV(ctx);
5837 #else
5838 CHK_SV(ctx);
5839 switch (rB(ctx->opcode)) {
5840 case 0:
5841 case 1:
5842 case 2:
5843 {
5844 TCGv_i32 t0 = tcg_constant_i32(rB(ctx->opcode));
5845 gen_helper_440_tlbwe(cpu_env, t0, cpu_gpr[rA(ctx->opcode)],
5846 cpu_gpr[rS(ctx->opcode)]);
5847 }
5848 break;
5849 default:
5850 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
5851 break;
5852 }
5853 #endif /* defined(CONFIG_USER_ONLY) */
5854 }
5855
5856 /* TLB management - PowerPC BookE 2.06 implementation */
5857
5858 /* tlbre */
5859 static void gen_tlbre_booke206(DisasContext *ctx)
5860 {
5861 #if defined(CONFIG_USER_ONLY)
5862 GEN_PRIV(ctx);
5863 #else
5864 CHK_SV(ctx);
5865 gen_helper_booke206_tlbre(cpu_env);
5866 #endif /* defined(CONFIG_USER_ONLY) */
5867 }
5868
5869 /* tlbsx - tlbsx. */
5870 static void gen_tlbsx_booke206(DisasContext *ctx)
5871 {
5872 #if defined(CONFIG_USER_ONLY)
5873 GEN_PRIV(ctx);
5874 #else
5875 TCGv t0;
5876
5877 CHK_SV(ctx);
5878 if (rA(ctx->opcode)) {
5879 t0 = tcg_temp_new();
5880 tcg_gen_add_tl(t0, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
5881 } else {
5882 t0 = cpu_gpr[rB(ctx->opcode)];
5883 }
5884 gen_helper_booke206_tlbsx(cpu_env, t0);
5885 #endif /* defined(CONFIG_USER_ONLY) */
5886 }
5887
5888 /* tlbwe */
5889 static void gen_tlbwe_booke206(DisasContext *ctx)
5890 {
5891 #if defined(CONFIG_USER_ONLY)
5892 GEN_PRIV(ctx);
5893 #else
5894 CHK_SV(ctx);
5895 gen_helper_booke206_tlbwe(cpu_env);
5896 #endif /* defined(CONFIG_USER_ONLY) */
5897 }
5898
5899 static void gen_tlbivax_booke206(DisasContext *ctx)
5900 {
5901 #if defined(CONFIG_USER_ONLY)
5902 GEN_PRIV(ctx);
5903 #else
5904 TCGv t0;
5905
5906 CHK_SV(ctx);
5907 t0 = tcg_temp_new();
5908 gen_addr_reg_index(ctx, t0);
5909 gen_helper_booke206_tlbivax(cpu_env, t0);
5910 #endif /* defined(CONFIG_USER_ONLY) */
5911 }
5912
5913 static void gen_tlbilx_booke206(DisasContext *ctx)
5914 {
5915 #if defined(CONFIG_USER_ONLY)
5916 GEN_PRIV(ctx);
5917 #else
5918 TCGv t0;
5919
5920 CHK_SV(ctx);
5921 t0 = tcg_temp_new();
5922 gen_addr_reg_index(ctx, t0);
5923
5924 switch ((ctx->opcode >> 21) & 0x3) {
5925 case 0:
5926 gen_helper_booke206_tlbilx0(cpu_env, t0);
5927 break;
5928 case 1:
5929 gen_helper_booke206_tlbilx1(cpu_env, t0);
5930 break;
5931 case 3:
5932 gen_helper_booke206_tlbilx3(cpu_env, t0);
5933 break;
5934 default:
5935 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
5936 break;
5937 }
5938 #endif /* defined(CONFIG_USER_ONLY) */
5939 }
5940
5941 /* wrtee */
5942 static void gen_wrtee(DisasContext *ctx)
5943 {
5944 #if defined(CONFIG_USER_ONLY)
5945 GEN_PRIV(ctx);
5946 #else
5947 TCGv t0;
5948
5949 CHK_SV(ctx);
5950 t0 = tcg_temp_new();
5951 tcg_gen_andi_tl(t0, cpu_gpr[rD(ctx->opcode)], (1 << MSR_EE));
5952 tcg_gen_andi_tl(cpu_msr, cpu_msr, ~(1 << MSR_EE));
5953 tcg_gen_or_tl(cpu_msr, cpu_msr, t0);
5954 gen_ppc_maybe_interrupt(ctx);
5955 /*
5956 * Stop translation to have a chance to raise an exception if we
5957 * just set msr_ee to 1
5958 */
5959 ctx->base.is_jmp = DISAS_EXIT_UPDATE;
5960 #endif /* defined(CONFIG_USER_ONLY) */
5961 }
5962
5963 /* wrteei */
5964 static void gen_wrteei(DisasContext *ctx)
5965 {
5966 #if defined(CONFIG_USER_ONLY)
5967 GEN_PRIV(ctx);
5968 #else
5969 CHK_SV(ctx);
5970 if (ctx->opcode & 0x00008000) {
5971 tcg_gen_ori_tl(cpu_msr, cpu_msr, (1 << MSR_EE));
5972 gen_ppc_maybe_interrupt(ctx);
5973 /* Stop translation to have a chance to raise an exception */
5974 ctx->base.is_jmp = DISAS_EXIT_UPDATE;
5975 } else {
5976 tcg_gen_andi_tl(cpu_msr, cpu_msr, ~(1 << MSR_EE));
5977 }
5978 #endif /* defined(CONFIG_USER_ONLY) */
5979 }
5980
5981 /* PowerPC 440 specific instructions */
5982
5983 /* dlmzb */
5984 static void gen_dlmzb(DisasContext *ctx)
5985 {
5986 TCGv_i32 t0 = tcg_constant_i32(Rc(ctx->opcode));
5987 gen_helper_dlmzb(cpu_gpr[rA(ctx->opcode)], cpu_env,
5988 cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], t0);
5989 }
5990
5991 /* mbar replaces eieio on 440 */
5992 static void gen_mbar(DisasContext *ctx)
5993 {
5994 /* interpreted as no-op */
5995 }
5996
5997 /* msync replaces sync on 440 */
5998 static void gen_msync_4xx(DisasContext *ctx)
5999 {
6000 /* Only e500 seems to treat reserved bits as invalid */
6001 if ((ctx->insns_flags2 & PPC2_BOOKE206) &&
6002 (ctx->opcode & 0x03FFF801)) {
6003 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
6004 }
6005 /* otherwise interpreted as no-op */
6006 }
6007
6008 /* icbt */
6009 static void gen_icbt_440(DisasContext *ctx)
6010 {
6011 /*
6012 * interpreted as no-op
6013 * XXX: specification say this is treated as a load by the MMU but
6014 * does not generate any exception
6015 */
6016 }
6017
6018 #if defined(TARGET_PPC64)
6019 static void gen_maddld(DisasContext *ctx)
6020 {
6021 TCGv_i64 t1 = tcg_temp_new_i64();
6022
6023 tcg_gen_mul_i64(t1, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
6024 tcg_gen_add_i64(cpu_gpr[rD(ctx->opcode)], t1, cpu_gpr[rC(ctx->opcode)]);
6025 }
6026
6027 /* maddhd maddhdu */
6028 static void gen_maddhd_maddhdu(DisasContext *ctx)
6029 {
6030 TCGv_i64 lo = tcg_temp_new_i64();
6031 TCGv_i64 hi = tcg_temp_new_i64();
6032 TCGv_i64 t1 = tcg_temp_new_i64();
6033
6034 if (Rc(ctx->opcode)) {
6035 tcg_gen_mulu2_i64(lo, hi, cpu_gpr[rA(ctx->opcode)],
6036 cpu_gpr[rB(ctx->opcode)]);
6037 tcg_gen_movi_i64(t1, 0);
6038 } else {
6039 tcg_gen_muls2_i64(lo, hi, cpu_gpr[rA(ctx->opcode)],
6040 cpu_gpr[rB(ctx->opcode)]);
6041 tcg_gen_sari_i64(t1, cpu_gpr[rC(ctx->opcode)], 63);
6042 }
6043 tcg_gen_add2_i64(t1, cpu_gpr[rD(ctx->opcode)], lo, hi,
6044 cpu_gpr[rC(ctx->opcode)], t1);
6045 }
6046 #endif /* defined(TARGET_PPC64) */
6047
6048 static void gen_tbegin(DisasContext *ctx)
6049 {
6050 if (unlikely(!ctx->tm_enabled)) {
6051 gen_exception_err(ctx, POWERPC_EXCP_FU, FSCR_IC_TM);
6052 return;
6053 }
6054 gen_helper_tbegin(cpu_env);
6055 }
6056
6057 #define GEN_TM_NOOP(name) \
6058 static inline void gen_##name(DisasContext *ctx) \
6059 { \
6060 if (unlikely(!ctx->tm_enabled)) { \
6061 gen_exception_err(ctx, POWERPC_EXCP_FU, FSCR_IC_TM); \
6062 return; \
6063 } \
6064 /* \
6065 * Because tbegin always fails in QEMU, these user \
6066 * space instructions all have a simple implementation: \
6067 * \
6068 * CR[0] = 0b0 || MSR[TS] || 0b0 \
6069 * = 0b0 || 0b00 || 0b0 \
6070 */ \
6071 tcg_gen_movi_i32(cpu_crf[0], 0); \
6072 }
6073
6074 GEN_TM_NOOP(tend);
6075 GEN_TM_NOOP(tabort);
6076 GEN_TM_NOOP(tabortwc);
6077 GEN_TM_NOOP(tabortwci);
6078 GEN_TM_NOOP(tabortdc);
6079 GEN_TM_NOOP(tabortdci);
6080 GEN_TM_NOOP(tsr);
6081
6082 static inline void gen_cp_abort(DisasContext *ctx)
6083 {
6084 /* Do Nothing */
6085 }
6086
6087 #define GEN_CP_PASTE_NOOP(name) \
6088 static inline void gen_##name(DisasContext *ctx) \
6089 { \
6090 /* \
6091 * Generate invalid exception until we have an \
6092 * implementation of the copy paste facility \
6093 */ \
6094 gen_invalid(ctx); \
6095 }
6096
6097 GEN_CP_PASTE_NOOP(copy)
6098 GEN_CP_PASTE_NOOP(paste)
6099
6100 static void gen_tcheck(DisasContext *ctx)
6101 {
6102 if (unlikely(!ctx->tm_enabled)) {
6103 gen_exception_err(ctx, POWERPC_EXCP_FU, FSCR_IC_TM);
6104 return;
6105 }
6106 /*
6107 * Because tbegin always fails, the tcheck implementation is
6108 * simple:
6109 *
6110 * CR[CRF] = TDOOMED || MSR[TS] || 0b0
6111 * = 0b1 || 0b00 || 0b0
6112 */
6113 tcg_gen_movi_i32(cpu_crf[crfD(ctx->opcode)], 0x8);
6114 }
6115
6116 #if defined(CONFIG_USER_ONLY)
6117 #define GEN_TM_PRIV_NOOP(name) \
6118 static inline void gen_##name(DisasContext *ctx) \
6119 { \
6120 gen_priv_opc(ctx); \
6121 }
6122
6123 #else
6124
6125 #define GEN_TM_PRIV_NOOP(name) \
6126 static inline void gen_##name(DisasContext *ctx) \
6127 { \
6128 CHK_SV(ctx); \
6129 if (unlikely(!ctx->tm_enabled)) { \
6130 gen_exception_err(ctx, POWERPC_EXCP_FU, FSCR_IC_TM); \
6131 return; \
6132 } \
6133 /* \
6134 * Because tbegin always fails, the implementation is \
6135 * simple: \
6136 * \
6137 * CR[0] = 0b0 || MSR[TS] || 0b0 \
6138 * = 0b0 || 0b00 | 0b0 \
6139 */ \
6140 tcg_gen_movi_i32(cpu_crf[0], 0); \
6141 }
6142
6143 #endif
6144
6145 GEN_TM_PRIV_NOOP(treclaim);
6146 GEN_TM_PRIV_NOOP(trechkpt);
6147
6148 static inline void get_fpr(TCGv_i64 dst, int regno)
6149 {
6150 tcg_gen_ld_i64(dst, cpu_env, fpr_offset(regno));
6151 }
6152
6153 static inline void set_fpr(int regno, TCGv_i64 src)
6154 {
6155 tcg_gen_st_i64(src, cpu_env, fpr_offset(regno));
6156 /*
6157 * Before PowerISA v3.1 the result of doubleword 1 of the VSR
6158 * corresponding to the target FPR was undefined. However,
6159 * most (if not all) real hardware were setting the result to 0.
6160 * Starting at ISA v3.1, the result for doubleword 1 is now defined
6161 * to be 0.
6162 */
6163 tcg_gen_st_i64(tcg_constant_i64(0), cpu_env, vsr64_offset(regno, false));
6164 }
6165
6166 static inline void get_avr64(TCGv_i64 dst, int regno, bool high)
6167 {
6168 tcg_gen_ld_i64(dst, cpu_env, avr64_offset(regno, high));
6169 }
6170
6171 static inline void set_avr64(int regno, TCGv_i64 src, bool high)
6172 {
6173 tcg_gen_st_i64(src, cpu_env, avr64_offset(regno, high));
6174 }
6175
6176 /*
6177 * Helpers for decodetree used by !function for decoding arguments.
6178 */
6179 static int times_2(DisasContext *ctx, int x)
6180 {
6181 return x * 2;
6182 }
6183
6184 static int times_4(DisasContext *ctx, int x)
6185 {
6186 return x * 4;
6187 }
6188
6189 static int times_16(DisasContext *ctx, int x)
6190 {
6191 return x * 16;
6192 }
6193
6194 static int64_t dw_compose_ea(DisasContext *ctx, int x)
6195 {
6196 return deposit64(0xfffffffffffffe00, 3, 6, x);
6197 }
6198
6199 /*
6200 * Helpers for trans_* functions to check for specific insns flags.
6201 * Use token pasting to ensure that we use the proper flag with the
6202 * proper variable.
6203 */
6204 #define REQUIRE_INSNS_FLAGS(CTX, NAME) \
6205 do { \
6206 if (((CTX)->insns_flags & PPC_##NAME) == 0) { \
6207 return false; \
6208 } \
6209 } while (0)
6210
6211 #define REQUIRE_INSNS_FLAGS2(CTX, NAME) \
6212 do { \
6213 if (((CTX)->insns_flags2 & PPC2_##NAME) == 0) { \
6214 return false; \
6215 } \
6216 } while (0)
6217
6218 /* Then special-case the check for 64-bit so that we elide code for ppc32. */
6219 #if TARGET_LONG_BITS == 32
6220 # define REQUIRE_64BIT(CTX) return false
6221 #else
6222 # define REQUIRE_64BIT(CTX) REQUIRE_INSNS_FLAGS(CTX, 64B)
6223 #endif
6224
6225 #define REQUIRE_VECTOR(CTX) \
6226 do { \
6227 if (unlikely(!(CTX)->altivec_enabled)) { \
6228 gen_exception((CTX), POWERPC_EXCP_VPU); \
6229 return true; \
6230 } \
6231 } while (0)
6232
6233 #define REQUIRE_VSX(CTX) \
6234 do { \
6235 if (unlikely(!(CTX)->vsx_enabled)) { \
6236 gen_exception((CTX), POWERPC_EXCP_VSXU); \
6237 return true; \
6238 } \
6239 } while (0)
6240
6241 #define REQUIRE_FPU(ctx) \
6242 do { \
6243 if (unlikely(!(ctx)->fpu_enabled)) { \
6244 gen_exception((ctx), POWERPC_EXCP_FPU); \
6245 return true; \
6246 } \
6247 } while (0)
6248
6249 #if !defined(CONFIG_USER_ONLY)
6250 #define REQUIRE_SV(CTX) \
6251 do { \
6252 if (unlikely((CTX)->pr)) { \
6253 gen_priv_opc(CTX); \
6254 return true; \
6255 } \
6256 } while (0)
6257
6258 #define REQUIRE_HV(CTX) \
6259 do { \
6260 if (unlikely((CTX)->pr || !(CTX)->hv)) { \
6261 gen_priv_opc(CTX); \
6262 return true; \
6263 } \
6264 } while (0)
6265 #else
6266 #define REQUIRE_SV(CTX) do { gen_priv_opc(CTX); return true; } while (0)
6267 #define REQUIRE_HV(CTX) do { gen_priv_opc(CTX); return true; } while (0)
6268 #endif
6269
6270 /*
6271 * Helpers for implementing sets of trans_* functions.
6272 * Defer the implementation of NAME to FUNC, with optional extra arguments.
6273 */
6274 #define TRANS(NAME, FUNC, ...) \
6275 static bool trans_##NAME(DisasContext *ctx, arg_##NAME *a) \
6276 { return FUNC(ctx, a, __VA_ARGS__); }
6277 #define TRANS_FLAGS(FLAGS, NAME, FUNC, ...) \
6278 static bool trans_##NAME(DisasContext *ctx, arg_##NAME *a) \
6279 { \
6280 REQUIRE_INSNS_FLAGS(ctx, FLAGS); \
6281 return FUNC(ctx, a, __VA_ARGS__); \
6282 }
6283 #define TRANS_FLAGS2(FLAGS2, NAME, FUNC, ...) \
6284 static bool trans_##NAME(DisasContext *ctx, arg_##NAME *a) \
6285 { \
6286 REQUIRE_INSNS_FLAGS2(ctx, FLAGS2); \
6287 return FUNC(ctx, a, __VA_ARGS__); \
6288 }
6289
6290 #define TRANS64(NAME, FUNC, ...) \
6291 static bool trans_##NAME(DisasContext *ctx, arg_##NAME *a) \
6292 { REQUIRE_64BIT(ctx); return FUNC(ctx, a, __VA_ARGS__); }
6293 #define TRANS64_FLAGS2(FLAGS2, NAME, FUNC, ...) \
6294 static bool trans_##NAME(DisasContext *ctx, arg_##NAME *a) \
6295 { \
6296 REQUIRE_64BIT(ctx); \
6297 REQUIRE_INSNS_FLAGS2(ctx, FLAGS2); \
6298 return FUNC(ctx, a, __VA_ARGS__); \
6299 }
6300
6301 /* TODO: More TRANS* helpers for extra insn_flags checks. */
6302
6303
6304 #include "decode-insn32.c.inc"
6305 #include "decode-insn64.c.inc"
6306 #include "power8-pmu-regs.c.inc"
6307
6308 /*
6309 * Incorporate CIA into the constant when R=1.
6310 * Validate that when R=1, RA=0.
6311 */
6312 static bool resolve_PLS_D(DisasContext *ctx, arg_D *d, arg_PLS_D *a)
6313 {
6314 d->rt = a->rt;
6315 d->ra = a->ra;
6316 d->si = a->si;
6317 if (a->r) {
6318 if (unlikely(a->ra != 0)) {
6319 gen_invalid(ctx);
6320 return false;
6321 }
6322 d->si += ctx->cia;
6323 }
6324 return true;
6325 }
6326
6327 #include "translate/fixedpoint-impl.c.inc"
6328
6329 #include "translate/fp-impl.c.inc"
6330
6331 #include "translate/vmx-impl.c.inc"
6332
6333 #include "translate/vsx-impl.c.inc"
6334
6335 #include "translate/dfp-impl.c.inc"
6336
6337 #include "translate/spe-impl.c.inc"
6338
6339 #include "translate/branch-impl.c.inc"
6340
6341 #include "translate/processor-ctrl-impl.c.inc"
6342
6343 #include "translate/storage-ctrl-impl.c.inc"
6344
6345 /* Handles lfdp */
6346 static void gen_dform39(DisasContext *ctx)
6347 {
6348 if ((ctx->opcode & 0x3) == 0) {
6349 if (ctx->insns_flags2 & PPC2_ISA205) {
6350 return gen_lfdp(ctx);
6351 }
6352 }
6353 return gen_invalid(ctx);
6354 }
6355
6356 /* Handles stfdp */
6357 static void gen_dform3D(DisasContext *ctx)
6358 {
6359 if ((ctx->opcode & 3) == 0) { /* DS-FORM */
6360 /* stfdp */
6361 if (ctx->insns_flags2 & PPC2_ISA205) {
6362 return gen_stfdp(ctx);
6363 }
6364 }
6365 return gen_invalid(ctx);
6366 }
6367
6368 #if defined(TARGET_PPC64)
6369 /* brd */
6370 static void gen_brd(DisasContext *ctx)
6371 {
6372 tcg_gen_bswap64_i64(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);
6373 }
6374
6375 /* brw */
6376 static void gen_brw(DisasContext *ctx)
6377 {
6378 tcg_gen_bswap64_i64(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);
6379 tcg_gen_rotli_i64(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], 32);
6380
6381 }
6382
6383 /* brh */
6384 static void gen_brh(DisasContext *ctx)
6385 {
6386 TCGv_i64 mask = tcg_constant_i64(0x00ff00ff00ff00ffull);
6387 TCGv_i64 t1 = tcg_temp_new_i64();
6388 TCGv_i64 t2 = tcg_temp_new_i64();
6389
6390 tcg_gen_shri_i64(t1, cpu_gpr[rS(ctx->opcode)], 8);
6391 tcg_gen_and_i64(t2, t1, mask);
6392 tcg_gen_and_i64(t1, cpu_gpr[rS(ctx->opcode)], mask);
6393 tcg_gen_shli_i64(t1, t1, 8);
6394 tcg_gen_or_i64(cpu_gpr[rA(ctx->opcode)], t1, t2);
6395 }
6396 #endif
6397
6398 static opcode_t opcodes[] = {
6399 #if defined(TARGET_PPC64)
6400 GEN_HANDLER_E(brd, 0x1F, 0x1B, 0x05, 0x0000F801, PPC_NONE, PPC2_ISA310),
6401 GEN_HANDLER_E(brw, 0x1F, 0x1B, 0x04, 0x0000F801, PPC_NONE, PPC2_ISA310),
6402 GEN_HANDLER_E(brh, 0x1F, 0x1B, 0x06, 0x0000F801, PPC_NONE, PPC2_ISA310),
6403 #endif
6404 GEN_HANDLER(invalid, 0x00, 0x00, 0x00, 0xFFFFFFFF, PPC_NONE),
6405 #if defined(TARGET_PPC64)
6406 GEN_HANDLER_E(cmpeqb, 0x1F, 0x00, 0x07, 0x00600000, PPC_NONE, PPC2_ISA300),
6407 #endif
6408 GEN_HANDLER_E(cmpb, 0x1F, 0x1C, 0x0F, 0x00000001, PPC_NONE, PPC2_ISA205),
6409 GEN_HANDLER_E(cmprb, 0x1F, 0x00, 0x06, 0x00400001, PPC_NONE, PPC2_ISA300),
6410 GEN_HANDLER(isel, 0x1F, 0x0F, 0xFF, 0x00000001, PPC_ISEL),
6411 GEN_HANDLER(addic, 0x0C, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6412 GEN_HANDLER2(addic_, "addic.", 0x0D, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6413 GEN_HANDLER(mulhw, 0x1F, 0x0B, 0x02, 0x00000400, PPC_INTEGER),
6414 GEN_HANDLER(mulhwu, 0x1F, 0x0B, 0x00, 0x00000400, PPC_INTEGER),
6415 GEN_HANDLER(mullw, 0x1F, 0x0B, 0x07, 0x00000000, PPC_INTEGER),
6416 GEN_HANDLER(mullwo, 0x1F, 0x0B, 0x17, 0x00000000, PPC_INTEGER),
6417 GEN_HANDLER(mulli, 0x07, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6418 #if defined(TARGET_PPC64)
6419 GEN_HANDLER(mulld, 0x1F, 0x09, 0x07, 0x00000000, PPC_64B),
6420 #endif
6421 GEN_HANDLER(neg, 0x1F, 0x08, 0x03, 0x0000F800, PPC_INTEGER),
6422 GEN_HANDLER(nego, 0x1F, 0x08, 0x13, 0x0000F800, PPC_INTEGER),
6423 GEN_HANDLER(subfic, 0x08, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6424 GEN_HANDLER2(andi_, "andi.", 0x1C, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6425 GEN_HANDLER2(andis_, "andis.", 0x1D, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6426 GEN_HANDLER(cntlzw, 0x1F, 0x1A, 0x00, 0x00000000, PPC_INTEGER),
6427 GEN_HANDLER_E(cnttzw, 0x1F, 0x1A, 0x10, 0x00000000, PPC_NONE, PPC2_ISA300),
6428 GEN_HANDLER_E(copy, 0x1F, 0x06, 0x18, 0x03C00001, PPC_NONE, PPC2_ISA300),
6429 GEN_HANDLER_E(cp_abort, 0x1F, 0x06, 0x1A, 0x03FFF801, PPC_NONE, PPC2_ISA300),
6430 GEN_HANDLER_E(paste, 0x1F, 0x06, 0x1C, 0x03C00000, PPC_NONE, PPC2_ISA300),
6431 GEN_HANDLER(or, 0x1F, 0x1C, 0x0D, 0x00000000, PPC_INTEGER),
6432 GEN_HANDLER(xor, 0x1F, 0x1C, 0x09, 0x00000000, PPC_INTEGER),
6433 GEN_HANDLER(ori, 0x18, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6434 GEN_HANDLER(oris, 0x19, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6435 GEN_HANDLER(xori, 0x1A, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6436 GEN_HANDLER(xoris, 0x1B, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6437 GEN_HANDLER(popcntb, 0x1F, 0x1A, 0x03, 0x0000F801, PPC_POPCNTB),
6438 GEN_HANDLER(popcntw, 0x1F, 0x1A, 0x0b, 0x0000F801, PPC_POPCNTWD),
6439 GEN_HANDLER_E(prtyw, 0x1F, 0x1A, 0x04, 0x0000F801, PPC_NONE, PPC2_ISA205),
6440 #if defined(TARGET_PPC64)
6441 GEN_HANDLER(popcntd, 0x1F, 0x1A, 0x0F, 0x0000F801, PPC_POPCNTWD),
6442 GEN_HANDLER(cntlzd, 0x1F, 0x1A, 0x01, 0x00000000, PPC_64B),
6443 GEN_HANDLER_E(cnttzd, 0x1F, 0x1A, 0x11, 0x00000000, PPC_NONE, PPC2_ISA300),
6444 GEN_HANDLER_E(darn, 0x1F, 0x13, 0x17, 0x001CF801, PPC_NONE, PPC2_ISA300),
6445 GEN_HANDLER_E(prtyd, 0x1F, 0x1A, 0x05, 0x0000F801, PPC_NONE, PPC2_ISA205),
6446 GEN_HANDLER_E(bpermd, 0x1F, 0x1C, 0x07, 0x00000001, PPC_NONE, PPC2_PERM_ISA206),
6447 #endif
6448 GEN_HANDLER(rlwimi, 0x14, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6449 GEN_HANDLER(rlwinm, 0x15, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6450 GEN_HANDLER(rlwnm, 0x17, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6451 GEN_HANDLER(slw, 0x1F, 0x18, 0x00, 0x00000000, PPC_INTEGER),
6452 GEN_HANDLER(sraw, 0x1F, 0x18, 0x18, 0x00000000, PPC_INTEGER),
6453 GEN_HANDLER(srawi, 0x1F, 0x18, 0x19, 0x00000000, PPC_INTEGER),
6454 GEN_HANDLER(srw, 0x1F, 0x18, 0x10, 0x00000000, PPC_INTEGER),
6455 #if defined(TARGET_PPC64)
6456 GEN_HANDLER(sld, 0x1F, 0x1B, 0x00, 0x00000000, PPC_64B),
6457 GEN_HANDLER(srad, 0x1F, 0x1A, 0x18, 0x00000000, PPC_64B),
6458 GEN_HANDLER2(sradi0, "sradi", 0x1F, 0x1A, 0x19, 0x00000000, PPC_64B),
6459 GEN_HANDLER2(sradi1, "sradi", 0x1F, 0x1B, 0x19, 0x00000000, PPC_64B),
6460 GEN_HANDLER(srd, 0x1F, 0x1B, 0x10, 0x00000000, PPC_64B),
6461 GEN_HANDLER2_E(extswsli0, "extswsli", 0x1F, 0x1A, 0x1B, 0x00000000,
6462 PPC_NONE, PPC2_ISA300),
6463 GEN_HANDLER2_E(extswsli1, "extswsli", 0x1F, 0x1B, 0x1B, 0x00000000,
6464 PPC_NONE, PPC2_ISA300),
6465 #endif
6466 /* handles lfdp, lxsd, lxssp */
6467 GEN_HANDLER_E(dform39, 0x39, 0xFF, 0xFF, 0x00000000, PPC_NONE, PPC2_ISA205),
6468 /* handles stfdp, stxsd, stxssp */
6469 GEN_HANDLER_E(dform3D, 0x3D, 0xFF, 0xFF, 0x00000000, PPC_NONE, PPC2_ISA205),
6470 GEN_HANDLER(lmw, 0x2E, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6471 GEN_HANDLER(stmw, 0x2F, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6472 GEN_HANDLER(lswi, 0x1F, 0x15, 0x12, 0x00000001, PPC_STRING),
6473 GEN_HANDLER(lswx, 0x1F, 0x15, 0x10, 0x00000001, PPC_STRING),
6474 GEN_HANDLER(stswi, 0x1F, 0x15, 0x16, 0x00000001, PPC_STRING),
6475 GEN_HANDLER(stswx, 0x1F, 0x15, 0x14, 0x00000001, PPC_STRING),
6476 GEN_HANDLER(eieio, 0x1F, 0x16, 0x1A, 0x01FFF801, PPC_MEM_EIEIO),
6477 GEN_HANDLER(isync, 0x13, 0x16, 0x04, 0x03FFF801, PPC_MEM),
6478 GEN_HANDLER_E(lbarx, 0x1F, 0x14, 0x01, 0, PPC_NONE, PPC2_ATOMIC_ISA206),
6479 GEN_HANDLER_E(lharx, 0x1F, 0x14, 0x03, 0, PPC_NONE, PPC2_ATOMIC_ISA206),
6480 GEN_HANDLER(lwarx, 0x1F, 0x14, 0x00, 0x00000000, PPC_RES),
6481 GEN_HANDLER_E(lwat, 0x1F, 0x06, 0x12, 0x00000001, PPC_NONE, PPC2_ISA300),
6482 GEN_HANDLER_E(stwat, 0x1F, 0x06, 0x16, 0x00000001, PPC_NONE, PPC2_ISA300),
6483 GEN_HANDLER_E(stbcx_, 0x1F, 0x16, 0x15, 0, PPC_NONE, PPC2_ATOMIC_ISA206),
6484 GEN_HANDLER_E(sthcx_, 0x1F, 0x16, 0x16, 0, PPC_NONE, PPC2_ATOMIC_ISA206),
6485 GEN_HANDLER2(stwcx_, "stwcx.", 0x1F, 0x16, 0x04, 0x00000000, PPC_RES),
6486 #if defined(TARGET_PPC64)
6487 GEN_HANDLER_E(ldat, 0x1F, 0x06, 0x13, 0x00000001, PPC_NONE, PPC2_ISA300),
6488 GEN_HANDLER_E(stdat, 0x1F, 0x06, 0x17, 0x00000001, PPC_NONE, PPC2_ISA300),
6489 GEN_HANDLER(ldarx, 0x1F, 0x14, 0x02, 0x00000000, PPC_64B),
6490 GEN_HANDLER_E(lqarx, 0x1F, 0x14, 0x08, 0, PPC_NONE, PPC2_LSQ_ISA207),
6491 GEN_HANDLER2(stdcx_, "stdcx.", 0x1F, 0x16, 0x06, 0x00000000, PPC_64B),
6492 GEN_HANDLER_E(stqcx_, 0x1F, 0x16, 0x05, 0, PPC_NONE, PPC2_LSQ_ISA207),
6493 #endif
6494 GEN_HANDLER(sync, 0x1F, 0x16, 0x12, 0x039FF801, PPC_MEM_SYNC),
6495 /* ISA v3.0 changed the extended opcode from 62 to 30 */
6496 GEN_HANDLER(wait, 0x1F, 0x1E, 0x01, 0x039FF801, PPC_WAIT),
6497 GEN_HANDLER_E(wait, 0x1F, 0x1E, 0x00, 0x039CF801, PPC_NONE, PPC2_ISA300),
6498 GEN_HANDLER(b, 0x12, 0xFF, 0xFF, 0x00000000, PPC_FLOW),
6499 GEN_HANDLER(bc, 0x10, 0xFF, 0xFF, 0x00000000, PPC_FLOW),
6500 GEN_HANDLER(bcctr, 0x13, 0x10, 0x10, 0x00000000, PPC_FLOW),
6501 GEN_HANDLER(bclr, 0x13, 0x10, 0x00, 0x00000000, PPC_FLOW),
6502 GEN_HANDLER_E(bctar, 0x13, 0x10, 0x11, 0x0000E000, PPC_NONE, PPC2_BCTAR_ISA207),
6503 GEN_HANDLER(mcrf, 0x13, 0x00, 0xFF, 0x00000001, PPC_INTEGER),
6504 GEN_HANDLER(rfi, 0x13, 0x12, 0x01, 0x03FF8001, PPC_FLOW),
6505 #if defined(TARGET_PPC64)
6506 GEN_HANDLER(rfid, 0x13, 0x12, 0x00, 0x03FF8001, PPC_64B),
6507 #if !defined(CONFIG_USER_ONLY)
6508 /* Top bit of opc2 corresponds with low bit of LEV, so use two handlers */
6509 GEN_HANDLER_E(scv, 0x11, 0x10, 0xFF, 0x03FFF01E, PPC_NONE, PPC2_ISA300),
6510 GEN_HANDLER_E(scv, 0x11, 0x00, 0xFF, 0x03FFF01E, PPC_NONE, PPC2_ISA300),
6511 GEN_HANDLER_E(rfscv, 0x13, 0x12, 0x02, 0x03FF8001, PPC_NONE, PPC2_ISA300),
6512 #endif
6513 GEN_HANDLER_E(stop, 0x13, 0x12, 0x0b, 0x03FFF801, PPC_NONE, PPC2_ISA300),
6514 GEN_HANDLER_E(doze, 0x13, 0x12, 0x0c, 0x03FFF801, PPC_NONE, PPC2_PM_ISA206),
6515 GEN_HANDLER_E(nap, 0x13, 0x12, 0x0d, 0x03FFF801, PPC_NONE, PPC2_PM_ISA206),
6516 GEN_HANDLER_E(sleep, 0x13, 0x12, 0x0e, 0x03FFF801, PPC_NONE, PPC2_PM_ISA206),
6517 GEN_HANDLER_E(rvwinkle, 0x13, 0x12, 0x0f, 0x03FFF801, PPC_NONE, PPC2_PM_ISA206),
6518 GEN_HANDLER(hrfid, 0x13, 0x12, 0x08, 0x03FF8001, PPC_64H),
6519 #endif
6520 /* Top bit of opc2 corresponds with low bit of LEV, so use two handlers */
6521 GEN_HANDLER(sc, 0x11, 0x11, 0xFF, 0x03FFF01D, PPC_FLOW),
6522 GEN_HANDLER(sc, 0x11, 0x01, 0xFF, 0x03FFF01D, PPC_FLOW),
6523 GEN_HANDLER(tw, 0x1F, 0x04, 0x00, 0x00000001, PPC_FLOW),
6524 GEN_HANDLER(twi, 0x03, 0xFF, 0xFF, 0x00000000, PPC_FLOW),
6525 #if defined(TARGET_PPC64)
6526 GEN_HANDLER(td, 0x1F, 0x04, 0x02, 0x00000001, PPC_64B),
6527 GEN_HANDLER(tdi, 0x02, 0xFF, 0xFF, 0x00000000, PPC_64B),
6528 #endif
6529 GEN_HANDLER(mcrxr, 0x1F, 0x00, 0x10, 0x007FF801, PPC_MISC),
6530 GEN_HANDLER(mfcr, 0x1F, 0x13, 0x00, 0x00000801, PPC_MISC),
6531 GEN_HANDLER(mfmsr, 0x1F, 0x13, 0x02, 0x001FF801, PPC_MISC),
6532 GEN_HANDLER(mfspr, 0x1F, 0x13, 0x0A, 0x00000001, PPC_MISC),
6533 GEN_HANDLER(mftb, 0x1F, 0x13, 0x0B, 0x00000001, PPC_MFTB),
6534 GEN_HANDLER(mtcrf, 0x1F, 0x10, 0x04, 0x00000801, PPC_MISC),
6535 #if defined(TARGET_PPC64)
6536 GEN_HANDLER(mtmsrd, 0x1F, 0x12, 0x05, 0x001EF801, PPC_64B),
6537 GEN_HANDLER_E(setb, 0x1F, 0x00, 0x04, 0x0003F801, PPC_NONE, PPC2_ISA300),
6538 GEN_HANDLER_E(mcrxrx, 0x1F, 0x00, 0x12, 0x007FF801, PPC_NONE, PPC2_ISA300),
6539 #endif
6540 GEN_HANDLER(mtmsr, 0x1F, 0x12, 0x04, 0x001EF801, PPC_MISC),
6541 GEN_HANDLER(mtspr, 0x1F, 0x13, 0x0E, 0x00000000, PPC_MISC),
6542 GEN_HANDLER(dcbf, 0x1F, 0x16, 0x02, 0x03C00001, PPC_CACHE),
6543 GEN_HANDLER_E(dcbfep, 0x1F, 0x1F, 0x03, 0x03C00001, PPC_NONE, PPC2_BOOKE206),
6544 GEN_HANDLER(dcbi, 0x1F, 0x16, 0x0E, 0x03E00001, PPC_CACHE),
6545 GEN_HANDLER(dcbst, 0x1F, 0x16, 0x01, 0x03E00001, PPC_CACHE),
6546 GEN_HANDLER_E(dcbstep, 0x1F, 0x1F, 0x01, 0x03E00001, PPC_NONE, PPC2_BOOKE206),
6547 GEN_HANDLER(dcbt, 0x1F, 0x16, 0x08, 0x00000001, PPC_CACHE),
6548 GEN_HANDLER_E(dcbtep, 0x1F, 0x1F, 0x09, 0x00000001, PPC_NONE, PPC2_BOOKE206),
6549 GEN_HANDLER(dcbtst, 0x1F, 0x16, 0x07, 0x00000001, PPC_CACHE),
6550 GEN_HANDLER_E(dcbtstep, 0x1F, 0x1F, 0x07, 0x00000001, PPC_NONE, PPC2_BOOKE206),
6551 GEN_HANDLER_E(dcbtls, 0x1F, 0x06, 0x05, 0x02000001, PPC_BOOKE, PPC2_BOOKE206),
6552 GEN_HANDLER_E(dcblc, 0x1F, 0x06, 0x0c, 0x02000001, PPC_BOOKE, PPC2_BOOKE206),
6553 GEN_HANDLER(dcbz, 0x1F, 0x16, 0x1F, 0x03C00001, PPC_CACHE_DCBZ),
6554 GEN_HANDLER_E(dcbzep, 0x1F, 0x1F, 0x1F, 0x03C00001, PPC_NONE, PPC2_BOOKE206),
6555 GEN_HANDLER(dst, 0x1F, 0x16, 0x0A, 0x01800001, PPC_ALTIVEC),
6556 GEN_HANDLER(dstst, 0x1F, 0x16, 0x0B, 0x01800001, PPC_ALTIVEC),
6557 GEN_HANDLER(dss, 0x1F, 0x16, 0x19, 0x019FF801, PPC_ALTIVEC),
6558 GEN_HANDLER(icbi, 0x1F, 0x16, 0x1E, 0x03E00001, PPC_CACHE_ICBI),
6559 GEN_HANDLER_E(icbiep, 0x1F, 0x1F, 0x1E, 0x03E00001, PPC_NONE, PPC2_BOOKE206),
6560 GEN_HANDLER(dcba, 0x1F, 0x16, 0x17, 0x03E00001, PPC_CACHE_DCBA),
6561 GEN_HANDLER(mfsr, 0x1F, 0x13, 0x12, 0x0010F801, PPC_SEGMENT),
6562 GEN_HANDLER(mfsrin, 0x1F, 0x13, 0x14, 0x001F0001, PPC_SEGMENT),
6563 GEN_HANDLER(mtsr, 0x1F, 0x12, 0x06, 0x0010F801, PPC_SEGMENT),
6564 GEN_HANDLER(mtsrin, 0x1F, 0x12, 0x07, 0x001F0001, PPC_SEGMENT),
6565 #if defined(TARGET_PPC64)
6566 GEN_HANDLER2(mfsr_64b, "mfsr", 0x1F, 0x13, 0x12, 0x0010F801, PPC_SEGMENT_64B),
6567 GEN_HANDLER2(mfsrin_64b, "mfsrin", 0x1F, 0x13, 0x14, 0x001F0001,
6568 PPC_SEGMENT_64B),
6569 GEN_HANDLER2(mtsr_64b, "mtsr", 0x1F, 0x12, 0x06, 0x0010F801, PPC_SEGMENT_64B),
6570 GEN_HANDLER2(mtsrin_64b, "mtsrin", 0x1F, 0x12, 0x07, 0x001F0001,
6571 PPC_SEGMENT_64B),
6572 #endif
6573 GEN_HANDLER(tlbia, 0x1F, 0x12, 0x0B, 0x03FFFC01, PPC_MEM_TLBIA),
6574 /*
6575 * XXX Those instructions will need to be handled differently for
6576 * different ISA versions
6577 */
6578 GEN_HANDLER(tlbsync, 0x1F, 0x16, 0x11, 0x03FFF801, PPC_MEM_TLBSYNC),
6579 GEN_HANDLER(eciwx, 0x1F, 0x16, 0x0D, 0x00000001, PPC_EXTERN),
6580 GEN_HANDLER(ecowx, 0x1F, 0x16, 0x09, 0x00000001, PPC_EXTERN),
6581 GEN_HANDLER2(tlbld_6xx, "tlbld", 0x1F, 0x12, 0x1E, 0x03FF0001, PPC_6xx_TLB),
6582 GEN_HANDLER2(tlbli_6xx, "tlbli", 0x1F, 0x12, 0x1F, 0x03FF0001, PPC_6xx_TLB),
6583 GEN_HANDLER(mfapidi, 0x1F, 0x13, 0x08, 0x0000F801, PPC_MFAPIDI),
6584 GEN_HANDLER(tlbiva, 0x1F, 0x12, 0x18, 0x03FFF801, PPC_TLBIVA),
6585 GEN_HANDLER(mfdcr, 0x1F, 0x03, 0x0A, 0x00000001, PPC_DCR),
6586 GEN_HANDLER(mtdcr, 0x1F, 0x03, 0x0E, 0x00000001, PPC_DCR),
6587 GEN_HANDLER(mfdcrx, 0x1F, 0x03, 0x08, 0x00000000, PPC_DCRX),
6588 GEN_HANDLER(mtdcrx, 0x1F, 0x03, 0x0C, 0x00000000, PPC_DCRX),
6589 GEN_HANDLER(dccci, 0x1F, 0x06, 0x0E, 0x03E00001, PPC_4xx_COMMON),
6590 GEN_HANDLER(dcread, 0x1F, 0x06, 0x0F, 0x00000001, PPC_4xx_COMMON),
6591 GEN_HANDLER2(icbt_40x, "icbt", 0x1F, 0x06, 0x08, 0x03E00001, PPC_40x_ICBT),
6592 GEN_HANDLER(iccci, 0x1F, 0x06, 0x1E, 0x00000001, PPC_4xx_COMMON),
6593 GEN_HANDLER(icread, 0x1F, 0x06, 0x1F, 0x03E00001, PPC_4xx_COMMON),
6594 GEN_HANDLER2(rfci_40x, "rfci", 0x13, 0x13, 0x01, 0x03FF8001, PPC_40x_EXCP),
6595 GEN_HANDLER_E(rfci, 0x13, 0x13, 0x01, 0x03FF8001, PPC_BOOKE, PPC2_BOOKE206),
6596 GEN_HANDLER(rfdi, 0x13, 0x07, 0x01, 0x03FF8001, PPC_RFDI),
6597 GEN_HANDLER(rfmci, 0x13, 0x06, 0x01, 0x03FF8001, PPC_RFMCI),
6598 GEN_HANDLER2(tlbre_40x, "tlbre", 0x1F, 0x12, 0x1D, 0x00000001, PPC_40x_TLB),
6599 GEN_HANDLER2(tlbsx_40x, "tlbsx", 0x1F, 0x12, 0x1C, 0x00000000, PPC_40x_TLB),
6600 GEN_HANDLER2(tlbwe_40x, "tlbwe", 0x1F, 0x12, 0x1E, 0x00000001, PPC_40x_TLB),
6601 GEN_HANDLER2(tlbre_440, "tlbre", 0x1F, 0x12, 0x1D, 0x00000001, PPC_BOOKE),
6602 GEN_HANDLER2(tlbsx_440, "tlbsx", 0x1F, 0x12, 0x1C, 0x00000000, PPC_BOOKE),
6603 GEN_HANDLER2(tlbwe_440, "tlbwe", 0x1F, 0x12, 0x1E, 0x00000001, PPC_BOOKE),
6604 GEN_HANDLER2_E(tlbre_booke206, "tlbre", 0x1F, 0x12, 0x1D, 0x00000001,
6605 PPC_NONE, PPC2_BOOKE206),
6606 GEN_HANDLER2_E(tlbsx_booke206, "tlbsx", 0x1F, 0x12, 0x1C, 0x00000000,
6607 PPC_NONE, PPC2_BOOKE206),
6608 GEN_HANDLER2_E(tlbwe_booke206, "tlbwe", 0x1F, 0x12, 0x1E, 0x00000001,
6609 PPC_NONE, PPC2_BOOKE206),
6610 GEN_HANDLER2_E(tlbivax_booke206, "tlbivax", 0x1F, 0x12, 0x18, 0x00000001,
6611 PPC_NONE, PPC2_BOOKE206),
6612 GEN_HANDLER2_E(tlbilx_booke206, "tlbilx", 0x1F, 0x12, 0x00, 0x03800001,
6613 PPC_NONE, PPC2_BOOKE206),
6614 GEN_HANDLER(wrtee, 0x1F, 0x03, 0x04, 0x000FFC01, PPC_WRTEE),
6615 GEN_HANDLER(wrteei, 0x1F, 0x03, 0x05, 0x000E7C01, PPC_WRTEE),
6616 GEN_HANDLER(dlmzb, 0x1F, 0x0E, 0x02, 0x00000000, PPC_440_SPEC),
6617 GEN_HANDLER_E(mbar, 0x1F, 0x16, 0x1a, 0x001FF801,
6618 PPC_BOOKE, PPC2_BOOKE206),
6619 GEN_HANDLER(msync_4xx, 0x1F, 0x16, 0x12, 0x039FF801, PPC_BOOKE),
6620 GEN_HANDLER2_E(icbt_440, "icbt", 0x1F, 0x16, 0x00, 0x03E00001,
6621 PPC_BOOKE, PPC2_BOOKE206),
6622 GEN_HANDLER2(icbt_440, "icbt", 0x1F, 0x06, 0x08, 0x03E00001,
6623 PPC_440_SPEC),
6624 GEN_HANDLER(lvsl, 0x1f, 0x06, 0x00, 0x00000001, PPC_ALTIVEC),
6625 GEN_HANDLER(lvsr, 0x1f, 0x06, 0x01, 0x00000001, PPC_ALTIVEC),
6626 GEN_HANDLER(mfvscr, 0x04, 0x2, 0x18, 0x001ff800, PPC_ALTIVEC),
6627 GEN_HANDLER(mtvscr, 0x04, 0x2, 0x19, 0x03ff0000, PPC_ALTIVEC),
6628 #if defined(TARGET_PPC64)
6629 GEN_HANDLER_E(maddhd_maddhdu, 0x04, 0x18, 0xFF, 0x00000000, PPC_NONE,
6630 PPC2_ISA300),
6631 GEN_HANDLER_E(maddld, 0x04, 0x19, 0xFF, 0x00000000, PPC_NONE, PPC2_ISA300),
6632 #endif
6633
6634 #undef GEN_INT_ARITH_ADD
6635 #undef GEN_INT_ARITH_ADD_CONST
6636 #define GEN_INT_ARITH_ADD(name, opc3, add_ca, compute_ca, compute_ov) \
6637 GEN_HANDLER(name, 0x1F, 0x0A, opc3, 0x00000000, PPC_INTEGER),
6638 #define GEN_INT_ARITH_ADD_CONST(name, opc3, const_val, \
6639 add_ca, compute_ca, compute_ov) \
6640 GEN_HANDLER(name, 0x1F, 0x0A, opc3, 0x0000F800, PPC_INTEGER),
6641 GEN_INT_ARITH_ADD(add, 0x08, 0, 0, 0)
6642 GEN_INT_ARITH_ADD(addo, 0x18, 0, 0, 1)
6643 GEN_INT_ARITH_ADD(addc, 0x00, 0, 1, 0)
6644 GEN_INT_ARITH_ADD(addco, 0x10, 0, 1, 1)
6645 GEN_INT_ARITH_ADD(adde, 0x04, 1, 1, 0)
6646 GEN_INT_ARITH_ADD(addeo, 0x14, 1, 1, 1)
6647 GEN_INT_ARITH_ADD_CONST(addme, 0x07, -1LL, 1, 1, 0)
6648 GEN_INT_ARITH_ADD_CONST(addmeo, 0x17, -1LL, 1, 1, 1)
6649 GEN_HANDLER_E(addex, 0x1F, 0x0A, 0x05, 0x00000000, PPC_NONE, PPC2_ISA300),
6650 GEN_INT_ARITH_ADD_CONST(addze, 0x06, 0, 1, 1, 0)
6651 GEN_INT_ARITH_ADD_CONST(addzeo, 0x16, 0, 1, 1, 1)
6652
6653 #undef GEN_INT_ARITH_DIVW
6654 #define GEN_INT_ARITH_DIVW(name, opc3, sign, compute_ov) \
6655 GEN_HANDLER(name, 0x1F, 0x0B, opc3, 0x00000000, PPC_INTEGER)
6656 GEN_INT_ARITH_DIVW(divwu, 0x0E, 0, 0),
6657 GEN_INT_ARITH_DIVW(divwuo, 0x1E, 0, 1),
6658 GEN_INT_ARITH_DIVW(divw, 0x0F, 1, 0),
6659 GEN_INT_ARITH_DIVW(divwo, 0x1F, 1, 1),
6660 GEN_HANDLER_E(divwe, 0x1F, 0x0B, 0x0D, 0, PPC_NONE, PPC2_DIVE_ISA206),
6661 GEN_HANDLER_E(divweo, 0x1F, 0x0B, 0x1D, 0, PPC_NONE, PPC2_DIVE_ISA206),
6662 GEN_HANDLER_E(divweu, 0x1F, 0x0B, 0x0C, 0, PPC_NONE, PPC2_DIVE_ISA206),
6663 GEN_HANDLER_E(divweuo, 0x1F, 0x0B, 0x1C, 0, PPC_NONE, PPC2_DIVE_ISA206),
6664 GEN_HANDLER_E(modsw, 0x1F, 0x0B, 0x18, 0x00000001, PPC_NONE, PPC2_ISA300),
6665 GEN_HANDLER_E(moduw, 0x1F, 0x0B, 0x08, 0x00000001, PPC_NONE, PPC2_ISA300),
6666
6667 #if defined(TARGET_PPC64)
6668 #undef GEN_INT_ARITH_DIVD
6669 #define GEN_INT_ARITH_DIVD(name, opc3, sign, compute_ov) \
6670 GEN_HANDLER(name, 0x1F, 0x09, opc3, 0x00000000, PPC_64B)
6671 GEN_INT_ARITH_DIVD(divdu, 0x0E, 0, 0),
6672 GEN_INT_ARITH_DIVD(divduo, 0x1E, 0, 1),
6673 GEN_INT_ARITH_DIVD(divd, 0x0F, 1, 0),
6674 GEN_INT_ARITH_DIVD(divdo, 0x1F, 1, 1),
6675
6676 GEN_HANDLER_E(divdeu, 0x1F, 0x09, 0x0C, 0, PPC_NONE, PPC2_DIVE_ISA206),
6677 GEN_HANDLER_E(divdeuo, 0x1F, 0x09, 0x1C, 0, PPC_NONE, PPC2_DIVE_ISA206),
6678 GEN_HANDLER_E(divde, 0x1F, 0x09, 0x0D, 0, PPC_NONE, PPC2_DIVE_ISA206),
6679 GEN_HANDLER_E(divdeo, 0x1F, 0x09, 0x1D, 0, PPC_NONE, PPC2_DIVE_ISA206),
6680 GEN_HANDLER_E(modsd, 0x1F, 0x09, 0x18, 0x00000001, PPC_NONE, PPC2_ISA300),
6681 GEN_HANDLER_E(modud, 0x1F, 0x09, 0x08, 0x00000001, PPC_NONE, PPC2_ISA300),
6682
6683 #undef GEN_INT_ARITH_MUL_HELPER
6684 #define GEN_INT_ARITH_MUL_HELPER(name, opc3) \
6685 GEN_HANDLER(name, 0x1F, 0x09, opc3, 0x00000000, PPC_64B)
6686 GEN_INT_ARITH_MUL_HELPER(mulhdu, 0x00),
6687 GEN_INT_ARITH_MUL_HELPER(mulhd, 0x02),
6688 GEN_INT_ARITH_MUL_HELPER(mulldo, 0x17),
6689 #endif
6690
6691 #undef GEN_INT_ARITH_SUBF
6692 #undef GEN_INT_ARITH_SUBF_CONST
6693 #define GEN_INT_ARITH_SUBF(name, opc3, add_ca, compute_ca, compute_ov) \
6694 GEN_HANDLER(name, 0x1F, 0x08, opc3, 0x00000000, PPC_INTEGER),
6695 #define GEN_INT_ARITH_SUBF_CONST(name, opc3, const_val, \
6696 add_ca, compute_ca, compute_ov) \
6697 GEN_HANDLER(name, 0x1F, 0x08, opc3, 0x0000F800, PPC_INTEGER),
6698 GEN_INT_ARITH_SUBF(subf, 0x01, 0, 0, 0)
6699 GEN_INT_ARITH_SUBF(subfo, 0x11, 0, 0, 1)
6700 GEN_INT_ARITH_SUBF(subfc, 0x00, 0, 1, 0)
6701 GEN_INT_ARITH_SUBF(subfco, 0x10, 0, 1, 1)
6702 GEN_INT_ARITH_SUBF(subfe, 0x04, 1, 1, 0)
6703 GEN_INT_ARITH_SUBF(subfeo, 0x14, 1, 1, 1)
6704 GEN_INT_ARITH_SUBF_CONST(subfme, 0x07, -1LL, 1, 1, 0)
6705 GEN_INT_ARITH_SUBF_CONST(subfmeo, 0x17, -1LL, 1, 1, 1)
6706 GEN_INT_ARITH_SUBF_CONST(subfze, 0x06, 0, 1, 1, 0)
6707 GEN_INT_ARITH_SUBF_CONST(subfzeo, 0x16, 0, 1, 1, 1)
6708
6709 #undef GEN_LOGICAL1
6710 #undef GEN_LOGICAL2
6711 #define GEN_LOGICAL2(name, tcg_op, opc, type) \
6712 GEN_HANDLER(name, 0x1F, 0x1C, opc, 0x00000000, type)
6713 #define GEN_LOGICAL1(name, tcg_op, opc, type) \
6714 GEN_HANDLER(name, 0x1F, 0x1A, opc, 0x00000000, type)
6715 GEN_LOGICAL2(and, tcg_gen_and_tl, 0x00, PPC_INTEGER),
6716 GEN_LOGICAL2(andc, tcg_gen_andc_tl, 0x01, PPC_INTEGER),
6717 GEN_LOGICAL2(eqv, tcg_gen_eqv_tl, 0x08, PPC_INTEGER),
6718 GEN_LOGICAL1(extsb, tcg_gen_ext8s_tl, 0x1D, PPC_INTEGER),
6719 GEN_LOGICAL1(extsh, tcg_gen_ext16s_tl, 0x1C, PPC_INTEGER),
6720 GEN_LOGICAL2(nand, tcg_gen_nand_tl, 0x0E, PPC_INTEGER),
6721 GEN_LOGICAL2(nor, tcg_gen_nor_tl, 0x03, PPC_INTEGER),
6722 GEN_LOGICAL2(orc, tcg_gen_orc_tl, 0x0C, PPC_INTEGER),
6723 #if defined(TARGET_PPC64)
6724 GEN_LOGICAL1(extsw, tcg_gen_ext32s_tl, 0x1E, PPC_64B),
6725 #endif
6726
6727 #if defined(TARGET_PPC64)
6728 #undef GEN_PPC64_R2
6729 #undef GEN_PPC64_R4
6730 #define GEN_PPC64_R2(name, opc1, opc2) \
6731 GEN_HANDLER2(name##0, stringify(name), opc1, opc2, 0xFF, 0x00000000, PPC_64B),\
6732 GEN_HANDLER2(name##1, stringify(name), opc1, opc2 | 0x10, 0xFF, 0x00000000, \
6733 PPC_64B)
6734 #define GEN_PPC64_R4(name, opc1, opc2) \
6735 GEN_HANDLER2(name##0, stringify(name), opc1, opc2, 0xFF, 0x00000000, PPC_64B),\
6736 GEN_HANDLER2(name##1, stringify(name), opc1, opc2 | 0x01, 0xFF, 0x00000000, \
6737 PPC_64B), \
6738 GEN_HANDLER2(name##2, stringify(name), opc1, opc2 | 0x10, 0xFF, 0x00000000, \
6739 PPC_64B), \
6740 GEN_HANDLER2(name##3, stringify(name), opc1, opc2 | 0x11, 0xFF, 0x00000000, \
6741 PPC_64B)
6742 GEN_PPC64_R4(rldicl, 0x1E, 0x00),
6743 GEN_PPC64_R4(rldicr, 0x1E, 0x02),
6744 GEN_PPC64_R4(rldic, 0x1E, 0x04),
6745 GEN_PPC64_R2(rldcl, 0x1E, 0x08),
6746 GEN_PPC64_R2(rldcr, 0x1E, 0x09),
6747 GEN_PPC64_R4(rldimi, 0x1E, 0x06),
6748 #endif
6749
6750 #undef GEN_LDX_E
6751 #define GEN_LDX_E(name, ldop, opc2, opc3, type, type2, chk) \
6752 GEN_HANDLER_E(name##x, 0x1F, opc2, opc3, 0x00000001, type, type2),
6753
6754 #if defined(TARGET_PPC64)
6755 GEN_LDX_E(ldbr, ld64ur_i64, 0x14, 0x10, PPC_NONE, PPC2_DBRX, CHK_NONE)
6756
6757 /* HV/P7 and later only */
6758 GEN_LDX_HVRM(ldcix, ld64_i64, 0x15, 0x1b, PPC_CILDST)
6759 GEN_LDX_HVRM(lwzcix, ld32u, 0x15, 0x18, PPC_CILDST)
6760 GEN_LDX_HVRM(lhzcix, ld16u, 0x15, 0x19, PPC_CILDST)
6761 GEN_LDX_HVRM(lbzcix, ld8u, 0x15, 0x1a, PPC_CILDST)
6762 #endif
6763 GEN_LDX(lhbr, ld16ur, 0x16, 0x18, PPC_INTEGER)
6764 GEN_LDX(lwbr, ld32ur, 0x16, 0x10, PPC_INTEGER)
6765
6766 /* External PID based load */
6767 #undef GEN_LDEPX
6768 #define GEN_LDEPX(name, ldop, opc2, opc3) \
6769 GEN_HANDLER_E(name##epx, 0x1F, opc2, opc3, \
6770 0x00000001, PPC_NONE, PPC2_BOOKE206),
6771
6772 GEN_LDEPX(lb, DEF_MEMOP(MO_UB), 0x1F, 0x02)
6773 GEN_LDEPX(lh, DEF_MEMOP(MO_UW), 0x1F, 0x08)
6774 GEN_LDEPX(lw, DEF_MEMOP(MO_UL), 0x1F, 0x00)
6775 #if defined(TARGET_PPC64)
6776 GEN_LDEPX(ld, DEF_MEMOP(MO_UQ), 0x1D, 0x00)
6777 #endif
6778
6779 #undef GEN_STX_E
6780 #define GEN_STX_E(name, stop, opc2, opc3, type, type2, chk) \
6781 GEN_HANDLER_E(name##x, 0x1F, opc2, opc3, 0x00000000, type, type2),
6782
6783 #if defined(TARGET_PPC64)
6784 GEN_STX_E(stdbr, st64r_i64, 0x14, 0x14, PPC_NONE, PPC2_DBRX, CHK_NONE)
6785 GEN_STX_HVRM(stdcix, st64_i64, 0x15, 0x1f, PPC_CILDST)
6786 GEN_STX_HVRM(stwcix, st32, 0x15, 0x1c, PPC_CILDST)
6787 GEN_STX_HVRM(sthcix, st16, 0x15, 0x1d, PPC_CILDST)
6788 GEN_STX_HVRM(stbcix, st8, 0x15, 0x1e, PPC_CILDST)
6789 #endif
6790 GEN_STX(sthbr, st16r, 0x16, 0x1C, PPC_INTEGER)
6791 GEN_STX(stwbr, st32r, 0x16, 0x14, PPC_INTEGER)
6792
6793 #undef GEN_STEPX
6794 #define GEN_STEPX(name, ldop, opc2, opc3) \
6795 GEN_HANDLER_E(name##epx, 0x1F, opc2, opc3, \
6796 0x00000001, PPC_NONE, PPC2_BOOKE206),
6797
6798 GEN_STEPX(stb, DEF_MEMOP(MO_UB), 0x1F, 0x06)
6799 GEN_STEPX(sth, DEF_MEMOP(MO_UW), 0x1F, 0x0C)
6800 GEN_STEPX(stw, DEF_MEMOP(MO_UL), 0x1F, 0x04)
6801 #if defined(TARGET_PPC64)
6802 GEN_STEPX(std, DEF_MEMOP(MO_UQ), 0x1D, 0x04)
6803 #endif
6804
6805 #undef GEN_CRLOGIC
6806 #define GEN_CRLOGIC(name, tcg_op, opc) \
6807 GEN_HANDLER(name, 0x13, 0x01, opc, 0x00000001, PPC_INTEGER)
6808 GEN_CRLOGIC(crand, tcg_gen_and_i32, 0x08),
6809 GEN_CRLOGIC(crandc, tcg_gen_andc_i32, 0x04),
6810 GEN_CRLOGIC(creqv, tcg_gen_eqv_i32, 0x09),
6811 GEN_CRLOGIC(crnand, tcg_gen_nand_i32, 0x07),
6812 GEN_CRLOGIC(crnor, tcg_gen_nor_i32, 0x01),
6813 GEN_CRLOGIC(cror, tcg_gen_or_i32, 0x0E),
6814 GEN_CRLOGIC(crorc, tcg_gen_orc_i32, 0x0D),
6815 GEN_CRLOGIC(crxor, tcg_gen_xor_i32, 0x06),
6816
6817 #undef GEN_MAC_HANDLER
6818 #define GEN_MAC_HANDLER(name, opc2, opc3) \
6819 GEN_HANDLER(name, 0x04, opc2, opc3, 0x00000000, PPC_405_MAC)
6820 GEN_MAC_HANDLER(macchw, 0x0C, 0x05),
6821 GEN_MAC_HANDLER(macchwo, 0x0C, 0x15),
6822 GEN_MAC_HANDLER(macchws, 0x0C, 0x07),
6823 GEN_MAC_HANDLER(macchwso, 0x0C, 0x17),
6824 GEN_MAC_HANDLER(macchwsu, 0x0C, 0x06),
6825 GEN_MAC_HANDLER(macchwsuo, 0x0C, 0x16),
6826 GEN_MAC_HANDLER(macchwu, 0x0C, 0x04),
6827 GEN_MAC_HANDLER(macchwuo, 0x0C, 0x14),
6828 GEN_MAC_HANDLER(machhw, 0x0C, 0x01),
6829 GEN_MAC_HANDLER(machhwo, 0x0C, 0x11),
6830 GEN_MAC_HANDLER(machhws, 0x0C, 0x03),
6831 GEN_MAC_HANDLER(machhwso, 0x0C, 0x13),
6832 GEN_MAC_HANDLER(machhwsu, 0x0C, 0x02),
6833 GEN_MAC_HANDLER(machhwsuo, 0x0C, 0x12),
6834 GEN_MAC_HANDLER(machhwu, 0x0C, 0x00),
6835 GEN_MAC_HANDLER(machhwuo, 0x0C, 0x10),
6836 GEN_MAC_HANDLER(maclhw, 0x0C, 0x0D),
6837 GEN_MAC_HANDLER(maclhwo, 0x0C, 0x1D),
6838 GEN_MAC_HANDLER(maclhws, 0x0C, 0x0F),
6839 GEN_MAC_HANDLER(maclhwso, 0x0C, 0x1F),
6840 GEN_MAC_HANDLER(maclhwu, 0x0C, 0x0C),
6841 GEN_MAC_HANDLER(maclhwuo, 0x0C, 0x1C),
6842 GEN_MAC_HANDLER(maclhwsu, 0x0C, 0x0E),
6843 GEN_MAC_HANDLER(maclhwsuo, 0x0C, 0x1E),
6844 GEN_MAC_HANDLER(nmacchw, 0x0E, 0x05),
6845 GEN_MAC_HANDLER(nmacchwo, 0x0E, 0x15),
6846 GEN_MAC_HANDLER(nmacchws, 0x0E, 0x07),
6847 GEN_MAC_HANDLER(nmacchwso, 0x0E, 0x17),
6848 GEN_MAC_HANDLER(nmachhw, 0x0E, 0x01),
6849 GEN_MAC_HANDLER(nmachhwo, 0x0E, 0x11),
6850 GEN_MAC_HANDLER(nmachhws, 0x0E, 0x03),
6851 GEN_MAC_HANDLER(nmachhwso, 0x0E, 0x13),
6852 GEN_MAC_HANDLER(nmaclhw, 0x0E, 0x0D),
6853 GEN_MAC_HANDLER(nmaclhwo, 0x0E, 0x1D),
6854 GEN_MAC_HANDLER(nmaclhws, 0x0E, 0x0F),
6855 GEN_MAC_HANDLER(nmaclhwso, 0x0E, 0x1F),
6856 GEN_MAC_HANDLER(mulchw, 0x08, 0x05),
6857 GEN_MAC_HANDLER(mulchwu, 0x08, 0x04),
6858 GEN_MAC_HANDLER(mulhhw, 0x08, 0x01),
6859 GEN_MAC_HANDLER(mulhhwu, 0x08, 0x00),
6860 GEN_MAC_HANDLER(mullhw, 0x08, 0x0D),
6861 GEN_MAC_HANDLER(mullhwu, 0x08, 0x0C),
6862
6863 GEN_HANDLER2_E(tbegin, "tbegin", 0x1F, 0x0E, 0x14, 0x01DFF800, \
6864 PPC_NONE, PPC2_TM),
6865 GEN_HANDLER2_E(tend, "tend", 0x1F, 0x0E, 0x15, 0x01FFF800, \
6866 PPC_NONE, PPC2_TM),
6867 GEN_HANDLER2_E(tabort, "tabort", 0x1F, 0x0E, 0x1C, 0x03E0F800, \
6868 PPC_NONE, PPC2_TM),
6869 GEN_HANDLER2_E(tabortwc, "tabortwc", 0x1F, 0x0E, 0x18, 0x00000000, \
6870 PPC_NONE, PPC2_TM),
6871 GEN_HANDLER2_E(tabortwci, "tabortwci", 0x1F, 0x0E, 0x1A, 0x00000000, \
6872 PPC_NONE, PPC2_TM),
6873 GEN_HANDLER2_E(tabortdc, "tabortdc", 0x1F, 0x0E, 0x19, 0x00000000, \
6874 PPC_NONE, PPC2_TM),
6875 GEN_HANDLER2_E(tabortdci, "tabortdci", 0x1F, 0x0E, 0x1B, 0x00000000, \
6876 PPC_NONE, PPC2_TM),
6877 GEN_HANDLER2_E(tsr, "tsr", 0x1F, 0x0E, 0x17, 0x03DFF800, \
6878 PPC_NONE, PPC2_TM),
6879 GEN_HANDLER2_E(tcheck, "tcheck", 0x1F, 0x0E, 0x16, 0x007FF800, \
6880 PPC_NONE, PPC2_TM),
6881 GEN_HANDLER2_E(treclaim, "treclaim", 0x1F, 0x0E, 0x1D, 0x03E0F800, \
6882 PPC_NONE, PPC2_TM),
6883 GEN_HANDLER2_E(trechkpt, "trechkpt", 0x1F, 0x0E, 0x1F, 0x03FFF800, \
6884 PPC_NONE, PPC2_TM),
6885
6886 #include "translate/fp-ops.c.inc"
6887
6888 #include "translate/vmx-ops.c.inc"
6889
6890 #include "translate/vsx-ops.c.inc"
6891
6892 #include "translate/spe-ops.c.inc"
6893 };
6894
6895 /*****************************************************************************/
6896 /* Opcode types */
6897 enum {
6898 PPC_DIRECT = 0, /* Opcode routine */
6899 PPC_INDIRECT = 1, /* Indirect opcode table */
6900 };
6901
6902 #define PPC_OPCODE_MASK 0x3
6903
6904 static inline int is_indirect_opcode(void *handler)
6905 {
6906 return ((uintptr_t)handler & PPC_OPCODE_MASK) == PPC_INDIRECT;
6907 }
6908
6909 static inline opc_handler_t **ind_table(void *handler)
6910 {
6911 return (opc_handler_t **)((uintptr_t)handler & ~PPC_OPCODE_MASK);
6912 }
6913
6914 /* Instruction table creation */
6915 /* Opcodes tables creation */
6916 static void fill_new_table(opc_handler_t **table, int len)
6917 {
6918 int i;
6919
6920 for (i = 0; i < len; i++) {
6921 table[i] = &invalid_handler;
6922 }
6923 }
6924
6925 static int create_new_table(opc_handler_t **table, unsigned char idx)
6926 {
6927 opc_handler_t **tmp;
6928
6929 tmp = g_new(opc_handler_t *, PPC_CPU_INDIRECT_OPCODES_LEN);
6930 fill_new_table(tmp, PPC_CPU_INDIRECT_OPCODES_LEN);
6931 table[idx] = (opc_handler_t *)((uintptr_t)tmp | PPC_INDIRECT);
6932
6933 return 0;
6934 }
6935
6936 static int insert_in_table(opc_handler_t **table, unsigned char idx,
6937 opc_handler_t *handler)
6938 {
6939 if (table[idx] != &invalid_handler) {
6940 return -1;
6941 }
6942 table[idx] = handler;
6943
6944 return 0;
6945 }
6946
6947 static int register_direct_insn(opc_handler_t **ppc_opcodes,
6948 unsigned char idx, opc_handler_t *handler)
6949 {
6950 if (insert_in_table(ppc_opcodes, idx, handler) < 0) {
6951 printf("*** ERROR: opcode %02x already assigned in main "
6952 "opcode table\n", idx);
6953 return -1;
6954 }
6955
6956 return 0;
6957 }
6958
6959 static int register_ind_in_table(opc_handler_t **table,
6960 unsigned char idx1, unsigned char idx2,
6961 opc_handler_t *handler)
6962 {
6963 if (table[idx1] == &invalid_handler) {
6964 if (create_new_table(table, idx1) < 0) {
6965 printf("*** ERROR: unable to create indirect table "
6966 "idx=%02x\n", idx1);
6967 return -1;
6968 }
6969 } else {
6970 if (!is_indirect_opcode(table[idx1])) {
6971 printf("*** ERROR: idx %02x already assigned to a direct "
6972 "opcode\n", idx1);
6973 return -1;
6974 }
6975 }
6976 if (handler != NULL &&
6977 insert_in_table(ind_table(table[idx1]), idx2, handler) < 0) {
6978 printf("*** ERROR: opcode %02x already assigned in "
6979 "opcode table %02x\n", idx2, idx1);
6980 return -1;
6981 }
6982
6983 return 0;
6984 }
6985
6986 static int register_ind_insn(opc_handler_t **ppc_opcodes,
6987 unsigned char idx1, unsigned char idx2,
6988 opc_handler_t *handler)
6989 {
6990 return register_ind_in_table(ppc_opcodes, idx1, idx2, handler);
6991 }
6992
6993 static int register_dblind_insn(opc_handler_t **ppc_opcodes,
6994 unsigned char idx1, unsigned char idx2,
6995 unsigned char idx3, opc_handler_t *handler)
6996 {
6997 if (register_ind_in_table(ppc_opcodes, idx1, idx2, NULL) < 0) {
6998 printf("*** ERROR: unable to join indirect table idx "
6999 "[%02x-%02x]\n", idx1, idx2);
7000 return -1;
7001 }
7002 if (register_ind_in_table(ind_table(ppc_opcodes[idx1]), idx2, idx3,
7003 handler) < 0) {
7004 printf("*** ERROR: unable to insert opcode "
7005 "[%02x-%02x-%02x]\n", idx1, idx2, idx3);
7006 return -1;
7007 }
7008
7009 return 0;
7010 }
7011
7012 static int register_trplind_insn(opc_handler_t **ppc_opcodes,
7013 unsigned char idx1, unsigned char idx2,
7014 unsigned char idx3, unsigned char idx4,
7015 opc_handler_t *handler)
7016 {
7017 opc_handler_t **table;
7018
7019 if (register_ind_in_table(ppc_opcodes, idx1, idx2, NULL) < 0) {
7020 printf("*** ERROR: unable to join indirect table idx "
7021 "[%02x-%02x]\n", idx1, idx2);
7022 return -1;
7023 }
7024 table = ind_table(ppc_opcodes[idx1]);
7025 if (register_ind_in_table(table, idx2, idx3, NULL) < 0) {
7026 printf("*** ERROR: unable to join 2nd-level indirect table idx "
7027 "[%02x-%02x-%02x]\n", idx1, idx2, idx3);
7028 return -1;
7029 }
7030 table = ind_table(table[idx2]);
7031 if (register_ind_in_table(table, idx3, idx4, handler) < 0) {
7032 printf("*** ERROR: unable to insert opcode "
7033 "[%02x-%02x-%02x-%02x]\n", idx1, idx2, idx3, idx4);
7034 return -1;
7035 }
7036 return 0;
7037 }
7038 static int register_insn(opc_handler_t **ppc_opcodes, opcode_t *insn)
7039 {
7040 if (insn->opc2 != 0xFF) {
7041 if (insn->opc3 != 0xFF) {
7042 if (insn->opc4 != 0xFF) {
7043 if (register_trplind_insn(ppc_opcodes, insn->opc1, insn->opc2,
7044 insn->opc3, insn->opc4,
7045 &insn->handler) < 0) {
7046 return -1;
7047 }
7048 } else {
7049 if (register_dblind_insn(ppc_opcodes, insn->opc1, insn->opc2,
7050 insn->opc3, &insn->handler) < 0) {
7051 return -1;
7052 }
7053 }
7054 } else {
7055 if (register_ind_insn(ppc_opcodes, insn->opc1,
7056 insn->opc2, &insn->handler) < 0) {
7057 return -1;
7058 }
7059 }
7060 } else {
7061 if (register_direct_insn(ppc_opcodes, insn->opc1, &insn->handler) < 0) {
7062 return -1;
7063 }
7064 }
7065
7066 return 0;
7067 }
7068
7069 static int test_opcode_table(opc_handler_t **table, int len)
7070 {
7071 int i, count, tmp;
7072
7073 for (i = 0, count = 0; i < len; i++) {
7074 /* Consistency fixup */
7075 if (table[i] == NULL) {
7076 table[i] = &invalid_handler;
7077 }
7078 if (table[i] != &invalid_handler) {
7079 if (is_indirect_opcode(table[i])) {
7080 tmp = test_opcode_table(ind_table(table[i]),
7081 PPC_CPU_INDIRECT_OPCODES_LEN);
7082 if (tmp == 0) {
7083 free(table[i]);
7084 table[i] = &invalid_handler;
7085 } else {
7086 count++;
7087 }
7088 } else {
7089 count++;
7090 }
7091 }
7092 }
7093
7094 return count;
7095 }
7096
7097 static void fix_opcode_tables(opc_handler_t **ppc_opcodes)
7098 {
7099 if (test_opcode_table(ppc_opcodes, PPC_CPU_OPCODES_LEN) == 0) {
7100 printf("*** WARNING: no opcode defined !\n");
7101 }
7102 }
7103
7104 /*****************************************************************************/
7105 void create_ppc_opcodes(PowerPCCPU *cpu, Error **errp)
7106 {
7107 PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cpu);
7108 opcode_t *opc;
7109
7110 fill_new_table(cpu->opcodes, PPC_CPU_OPCODES_LEN);
7111 for (opc = opcodes; opc < &opcodes[ARRAY_SIZE(opcodes)]; opc++) {
7112 if (((opc->handler.type & pcc->insns_flags) != 0) ||
7113 ((opc->handler.type2 & pcc->insns_flags2) != 0)) {
7114 if (register_insn(cpu->opcodes, opc) < 0) {
7115 error_setg(errp, "ERROR initializing PowerPC instruction "
7116 "0x%02x 0x%02x 0x%02x", opc->opc1, opc->opc2,
7117 opc->opc3);
7118 return;
7119 }
7120 }
7121 }
7122 fix_opcode_tables(cpu->opcodes);
7123 fflush(stdout);
7124 fflush(stderr);
7125 }
7126
7127 void destroy_ppc_opcodes(PowerPCCPU *cpu)
7128 {
7129 opc_handler_t **table, **table_2;
7130 int i, j, k;
7131
7132 for (i = 0; i < PPC_CPU_OPCODES_LEN; i++) {
7133 if (cpu->opcodes[i] == &invalid_handler) {
7134 continue;
7135 }
7136 if (is_indirect_opcode(cpu->opcodes[i])) {
7137 table = ind_table(cpu->opcodes[i]);
7138 for (j = 0; j < PPC_CPU_INDIRECT_OPCODES_LEN; j++) {
7139 if (table[j] == &invalid_handler) {
7140 continue;
7141 }
7142 if (is_indirect_opcode(table[j])) {
7143 table_2 = ind_table(table[j]);
7144 for (k = 0; k < PPC_CPU_INDIRECT_OPCODES_LEN; k++) {
7145 if (table_2[k] != &invalid_handler &&
7146 is_indirect_opcode(table_2[k])) {
7147 g_free((opc_handler_t *)((uintptr_t)table_2[k] &
7148 ~PPC_INDIRECT));
7149 }
7150 }
7151 g_free((opc_handler_t *)((uintptr_t)table[j] &
7152 ~PPC_INDIRECT));
7153 }
7154 }
7155 g_free((opc_handler_t *)((uintptr_t)cpu->opcodes[i] &
7156 ~PPC_INDIRECT));
7157 }
7158 }
7159 }
7160
7161 int ppc_fixup_cpu(PowerPCCPU *cpu)
7162 {
7163 CPUPPCState *env = &cpu->env;
7164
7165 /*
7166 * TCG doesn't (yet) emulate some groups of instructions that are
7167 * implemented on some otherwise supported CPUs (e.g. VSX and
7168 * decimal floating point instructions on POWER7). We remove
7169 * unsupported instruction groups from the cpu state's instruction
7170 * masks and hope the guest can cope. For at least the pseries
7171 * machine, the unavailability of these instructions can be
7172 * advertised to the guest via the device tree.
7173 */
7174 if ((env->insns_flags & ~PPC_TCG_INSNS)
7175 || (env->insns_flags2 & ~PPC_TCG_INSNS2)) {
7176 warn_report("Disabling some instructions which are not "
7177 "emulated by TCG (0x%" PRIx64 ", 0x%" PRIx64 ")",
7178 env->insns_flags & ~PPC_TCG_INSNS,
7179 env->insns_flags2 & ~PPC_TCG_INSNS2);
7180 }
7181 env->insns_flags &= PPC_TCG_INSNS;
7182 env->insns_flags2 &= PPC_TCG_INSNS2;
7183 return 0;
7184 }
7185
7186 static bool decode_legacy(PowerPCCPU *cpu, DisasContext *ctx, uint32_t insn)
7187 {
7188 opc_handler_t **table, *handler;
7189 uint32_t inval;
7190
7191 ctx->opcode = insn;
7192
7193 LOG_DISAS("translate opcode %08x (%02x %02x %02x %02x) (%s)\n",
7194 insn, opc1(insn), opc2(insn), opc3(insn), opc4(insn),
7195 ctx->le_mode ? "little" : "big");
7196
7197 table = cpu->opcodes;
7198 handler = table[opc1(insn)];
7199 if (is_indirect_opcode(handler)) {
7200 table = ind_table(handler);
7201 handler = table[opc2(insn)];
7202 if (is_indirect_opcode(handler)) {
7203 table = ind_table(handler);
7204 handler = table[opc3(insn)];
7205 if (is_indirect_opcode(handler)) {
7206 table = ind_table(handler);
7207 handler = table[opc4(insn)];
7208 }
7209 }
7210 }
7211
7212 /* Is opcode *REALLY* valid ? */
7213 if (unlikely(handler->handler == &gen_invalid)) {
7214 qemu_log_mask(LOG_GUEST_ERROR, "invalid/unsupported opcode: "
7215 "%02x - %02x - %02x - %02x (%08x) "
7216 TARGET_FMT_lx "\n",
7217 opc1(insn), opc2(insn), opc3(insn), opc4(insn),
7218 insn, ctx->cia);
7219 return false;
7220 }
7221
7222 if (unlikely(handler->type & (PPC_SPE | PPC_SPE_SINGLE | PPC_SPE_DOUBLE)
7223 && Rc(insn))) {
7224 inval = handler->inval2;
7225 } else {
7226 inval = handler->inval1;
7227 }
7228
7229 if (unlikely((insn & inval) != 0)) {
7230 qemu_log_mask(LOG_GUEST_ERROR, "invalid bits: %08x for opcode: "
7231 "%02x - %02x - %02x - %02x (%08x) "
7232 TARGET_FMT_lx "\n", insn & inval,
7233 opc1(insn), opc2(insn), opc3(insn), opc4(insn),
7234 insn, ctx->cia);
7235 return false;
7236 }
7237
7238 handler->handler(ctx);
7239 return true;
7240 }
7241
7242 static void ppc_tr_init_disas_context(DisasContextBase *dcbase, CPUState *cs)
7243 {
7244 DisasContext *ctx = container_of(dcbase, DisasContext, base);
7245 CPUPPCState *env = cs->env_ptr;
7246 uint32_t hflags = ctx->base.tb->flags;
7247
7248 ctx->spr_cb = env->spr_cb;
7249 ctx->pr = (hflags >> HFLAGS_PR) & 1;
7250 ctx->mem_idx = (hflags >> HFLAGS_DMMU_IDX) & 7;
7251 ctx->dr = (hflags >> HFLAGS_DR) & 1;
7252 ctx->hv = (hflags >> HFLAGS_HV) & 1;
7253 ctx->insns_flags = env->insns_flags;
7254 ctx->insns_flags2 = env->insns_flags2;
7255 ctx->access_type = -1;
7256 ctx->need_access_type = !mmu_is_64bit(env->mmu_model);
7257 ctx->le_mode = (hflags >> HFLAGS_LE) & 1;
7258 ctx->default_tcg_memop_mask = ctx->le_mode ? MO_LE : MO_BE;
7259 ctx->flags = env->flags;
7260 #if defined(TARGET_PPC64)
7261 ctx->sf_mode = (hflags >> HFLAGS_64) & 1;
7262 ctx->has_cfar = !!(env->flags & POWERPC_FLAG_CFAR);
7263 #endif
7264 ctx->lazy_tlb_flush = env->mmu_model == POWERPC_MMU_32B
7265 || env->mmu_model & POWERPC_MMU_64;
7266
7267 ctx->fpu_enabled = (hflags >> HFLAGS_FP) & 1;
7268 ctx->spe_enabled = (hflags >> HFLAGS_SPE) & 1;
7269 ctx->altivec_enabled = (hflags >> HFLAGS_VR) & 1;
7270 ctx->vsx_enabled = (hflags >> HFLAGS_VSX) & 1;
7271 ctx->tm_enabled = (hflags >> HFLAGS_TM) & 1;
7272 ctx->gtse = (hflags >> HFLAGS_GTSE) & 1;
7273 ctx->hr = (hflags >> HFLAGS_HR) & 1;
7274 ctx->mmcr0_pmcc0 = (hflags >> HFLAGS_PMCC0) & 1;
7275 ctx->mmcr0_pmcc1 = (hflags >> HFLAGS_PMCC1) & 1;
7276 ctx->mmcr0_pmcjce = (hflags >> HFLAGS_PMCJCE) & 1;
7277 ctx->pmc_other = (hflags >> HFLAGS_PMC_OTHER) & 1;
7278 ctx->pmu_insn_cnt = (hflags >> HFLAGS_INSN_CNT) & 1;
7279
7280 ctx->singlestep_enabled = 0;
7281 if ((hflags >> HFLAGS_SE) & 1) {
7282 ctx->singlestep_enabled |= CPU_SINGLE_STEP;
7283 ctx->base.max_insns = 1;
7284 }
7285 if ((hflags >> HFLAGS_BE) & 1) {
7286 ctx->singlestep_enabled |= CPU_BRANCH_STEP;
7287 }
7288 }
7289
7290 static void ppc_tr_tb_start(DisasContextBase *db, CPUState *cs)
7291 {
7292 }
7293
7294 static void ppc_tr_insn_start(DisasContextBase *dcbase, CPUState *cs)
7295 {
7296 tcg_gen_insn_start(dcbase->pc_next);
7297 }
7298
7299 static bool is_prefix_insn(DisasContext *ctx, uint32_t insn)
7300 {
7301 REQUIRE_INSNS_FLAGS2(ctx, ISA310);
7302 return opc1(insn) == 1;
7303 }
7304
7305 static void ppc_tr_translate_insn(DisasContextBase *dcbase, CPUState *cs)
7306 {
7307 DisasContext *ctx = container_of(dcbase, DisasContext, base);
7308 PowerPCCPU *cpu = POWERPC_CPU(cs);
7309 CPUPPCState *env = cs->env_ptr;
7310 target_ulong pc;
7311 uint32_t insn;
7312 bool ok;
7313
7314 LOG_DISAS("----------------\n");
7315 LOG_DISAS("nip=" TARGET_FMT_lx " super=%d ir=%d\n",
7316 ctx->base.pc_next, ctx->mem_idx, (int)msr_ir);
7317
7318 ctx->cia = pc = ctx->base.pc_next;
7319 insn = translator_ldl_swap(env, dcbase, pc, need_byteswap(ctx));
7320 ctx->base.pc_next = pc += 4;
7321
7322 if (!is_prefix_insn(ctx, insn)) {
7323 ok = (decode_insn32(ctx, insn) ||
7324 decode_legacy(cpu, ctx, insn));
7325 } else if ((pc & 63) == 0) {
7326 /*
7327 * Power v3.1, section 1.9 Exceptions:
7328 * attempt to execute a prefixed instruction that crosses a
7329 * 64-byte address boundary (system alignment error).
7330 */
7331 gen_exception_err(ctx, POWERPC_EXCP_ALIGN, POWERPC_EXCP_ALIGN_INSN);
7332 ok = true;
7333 } else {
7334 uint32_t insn2 = translator_ldl_swap(env, dcbase, pc,
7335 need_byteswap(ctx));
7336 ctx->base.pc_next = pc += 4;
7337 ok = decode_insn64(ctx, deposit64(insn2, 32, 32, insn));
7338 }
7339 if (!ok) {
7340 gen_invalid(ctx);
7341 }
7342
7343 /* End the TB when crossing a page boundary. */
7344 if (ctx->base.is_jmp == DISAS_NEXT && !(pc & ~TARGET_PAGE_MASK)) {
7345 ctx->base.is_jmp = DISAS_TOO_MANY;
7346 }
7347 }
7348
7349 static void ppc_tr_tb_stop(DisasContextBase *dcbase, CPUState *cs)
7350 {
7351 DisasContext *ctx = container_of(dcbase, DisasContext, base);
7352 DisasJumpType is_jmp = ctx->base.is_jmp;
7353 target_ulong nip = ctx->base.pc_next;
7354
7355 if (is_jmp == DISAS_NORETURN) {
7356 /* We have already exited the TB. */
7357 return;
7358 }
7359
7360 /* Honor single stepping. */
7361 if (unlikely(ctx->singlestep_enabled & CPU_SINGLE_STEP)
7362 && (nip <= 0x100 || nip > 0xf00)) {
7363 switch (is_jmp) {
7364 case DISAS_TOO_MANY:
7365 case DISAS_EXIT_UPDATE:
7366 case DISAS_CHAIN_UPDATE:
7367 gen_update_nip(ctx, nip);
7368 break;
7369 case DISAS_EXIT:
7370 case DISAS_CHAIN:
7371 break;
7372 default:
7373 g_assert_not_reached();
7374 }
7375
7376 gen_debug_exception(ctx);
7377 return;
7378 }
7379
7380 switch (is_jmp) {
7381 case DISAS_TOO_MANY:
7382 if (use_goto_tb(ctx, nip)) {
7383 pmu_count_insns(ctx);
7384 tcg_gen_goto_tb(0);
7385 gen_update_nip(ctx, nip);
7386 tcg_gen_exit_tb(ctx->base.tb, 0);
7387 break;
7388 }
7389 /* fall through */
7390 case DISAS_CHAIN_UPDATE:
7391 gen_update_nip(ctx, nip);
7392 /* fall through */
7393 case DISAS_CHAIN:
7394 /*
7395 * tcg_gen_lookup_and_goto_ptr will exit the TB if
7396 * CF_NO_GOTO_PTR is set. Count insns now.
7397 */
7398 if (ctx->base.tb->flags & CF_NO_GOTO_PTR) {
7399 pmu_count_insns(ctx);
7400 }
7401
7402 tcg_gen_lookup_and_goto_ptr();
7403 break;
7404
7405 case DISAS_EXIT_UPDATE:
7406 gen_update_nip(ctx, nip);
7407 /* fall through */
7408 case DISAS_EXIT:
7409 pmu_count_insns(ctx);
7410 tcg_gen_exit_tb(NULL, 0);
7411 break;
7412
7413 default:
7414 g_assert_not_reached();
7415 }
7416 }
7417
7418 static void ppc_tr_disas_log(const DisasContextBase *dcbase,
7419 CPUState *cs, FILE *logfile)
7420 {
7421 fprintf(logfile, "IN: %s\n", lookup_symbol(dcbase->pc_first));
7422 target_disas(logfile, cs, dcbase->pc_first, dcbase->tb->size);
7423 }
7424
7425 static const TranslatorOps ppc_tr_ops = {
7426 .init_disas_context = ppc_tr_init_disas_context,
7427 .tb_start = ppc_tr_tb_start,
7428 .insn_start = ppc_tr_insn_start,
7429 .translate_insn = ppc_tr_translate_insn,
7430 .tb_stop = ppc_tr_tb_stop,
7431 .disas_log = ppc_tr_disas_log,
7432 };
7433
7434 void gen_intermediate_code(CPUState *cs, TranslationBlock *tb, int *max_insns,
7435 target_ulong pc, void *host_pc)
7436 {
7437 DisasContext ctx;
7438
7439 translator_loop(cs, tb, max_insns, pc, host_pc, &ppc_tr_ops, &ctx.base);
7440 }
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