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docs/system/gdb.rst: Add some more heading structure
[qemu/ar7.git] / target / ppc / translate.c
blob0984ce637be905cb5f01e8da106898804ecc54d1
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 "trace-tcg.h"
36 #include "exec/translator.h"
37 #include "exec/log.h"
38 #include "qemu/atomic128.h"
39
40
41 #define CPU_SINGLE_STEP 0x1
42 #define CPU_BRANCH_STEP 0x2
43 #define GDBSTUB_SINGLE_STEP 0x4
44
45 /* Include definitions for instructions classes and implementations flags */
46 /* #define PPC_DEBUG_DISAS */
47 /* #define DO_PPC_STATISTICS */
48
49 #ifdef PPC_DEBUG_DISAS
50 # define LOG_DISAS(...) qemu_log_mask(CPU_LOG_TB_IN_ASM, ## __VA_ARGS__)
51 #else
52 # define LOG_DISAS(...) do { } while (0)
53 #endif
54 /*****************************************************************************/
55 /* Code translation helpers */
56
57 /* global register indexes */
58 static char cpu_reg_names[10 * 3 + 22 * 4 /* GPR */
59 + 10 * 4 + 22 * 5 /* SPE GPRh */
60 + 8 * 5 /* CRF */];
61 static TCGv cpu_gpr[32];
62 static TCGv cpu_gprh[32];
63 static TCGv_i32 cpu_crf[8];
64 static TCGv cpu_nip;
65 static TCGv cpu_msr;
66 static TCGv cpu_ctr;
67 static TCGv cpu_lr;
68 #if defined(TARGET_PPC64)
69 static TCGv cpu_cfar;
70 #endif
71 static TCGv cpu_xer, cpu_so, cpu_ov, cpu_ca, cpu_ov32, cpu_ca32;
72 static TCGv cpu_reserve;
73 static TCGv cpu_reserve_val;
74 static TCGv cpu_fpscr;
75 static TCGv_i32 cpu_access_type;
76
77 #include "exec/gen-icount.h"
78
79 void ppc_translate_init(void)
80 {
81 int i;
82 char *p;
83 size_t cpu_reg_names_size;
84
85 p = cpu_reg_names;
86 cpu_reg_names_size = sizeof(cpu_reg_names);
87
88 for (i = 0; i < 8; i++) {
89 snprintf(p, cpu_reg_names_size, "crf%d", i);
90 cpu_crf[i] = tcg_global_mem_new_i32(cpu_env,
91 offsetof(CPUPPCState, crf[i]), p);
92 p += 5;
93 cpu_reg_names_size -= 5;
94 }
95
96 for (i = 0; i < 32; i++) {
97 snprintf(p, cpu_reg_names_size, "r%d", i);
98 cpu_gpr[i] = tcg_global_mem_new(cpu_env,
99 offsetof(CPUPPCState, gpr[i]), p);
100 p += (i < 10) ? 3 : 4;
101 cpu_reg_names_size -= (i < 10) ? 3 : 4;
102 snprintf(p, cpu_reg_names_size, "r%dH", i);
103 cpu_gprh[i] = tcg_global_mem_new(cpu_env,
104 offsetof(CPUPPCState, gprh[i]), p);
105 p += (i < 10) ? 4 : 5;
106 cpu_reg_names_size -= (i < 10) ? 4 : 5;
107 }
108
109 cpu_nip = tcg_global_mem_new(cpu_env,
110 offsetof(CPUPPCState, nip), "nip");
111
112 cpu_msr = tcg_global_mem_new(cpu_env,
113 offsetof(CPUPPCState, msr), "msr");
114
115 cpu_ctr = tcg_global_mem_new(cpu_env,
116 offsetof(CPUPPCState, ctr), "ctr");
117
118 cpu_lr = tcg_global_mem_new(cpu_env,
119 offsetof(CPUPPCState, lr), "lr");
120
121 #if defined(TARGET_PPC64)
122 cpu_cfar = tcg_global_mem_new(cpu_env,
123 offsetof(CPUPPCState, cfar), "cfar");
124 #endif
125
126 cpu_xer = tcg_global_mem_new(cpu_env,
127 offsetof(CPUPPCState, xer), "xer");
128 cpu_so = tcg_global_mem_new(cpu_env,
129 offsetof(CPUPPCState, so), "SO");
130 cpu_ov = tcg_global_mem_new(cpu_env,
131 offsetof(CPUPPCState, ov), "OV");
132 cpu_ca = tcg_global_mem_new(cpu_env,
133 offsetof(CPUPPCState, ca), "CA");
134 cpu_ov32 = tcg_global_mem_new(cpu_env,
135 offsetof(CPUPPCState, ov32), "OV32");
136 cpu_ca32 = tcg_global_mem_new(cpu_env,
137 offsetof(CPUPPCState, ca32), "CA32");
138
139 cpu_reserve = tcg_global_mem_new(cpu_env,
140 offsetof(CPUPPCState, reserve_addr),
141 "reserve_addr");
142 cpu_reserve_val = tcg_global_mem_new(cpu_env,
143 offsetof(CPUPPCState, reserve_val),
144 "reserve_val");
145
146 cpu_fpscr = tcg_global_mem_new(cpu_env,
147 offsetof(CPUPPCState, fpscr), "fpscr");
148
149 cpu_access_type = tcg_global_mem_new_i32(cpu_env,
150 offsetof(CPUPPCState, access_type),
151 "access_type");
152 }
153
154 /* internal defines */
155 struct DisasContext {
156 DisasContextBase base;
157 uint32_t opcode;
158 uint32_t exception;
159 /* Routine used to access memory */
160 bool pr, hv, dr, le_mode;
161 bool lazy_tlb_flush;
162 bool need_access_type;
163 int mem_idx;
164 int access_type;
165 /* Translation flags */
166 MemOp default_tcg_memop_mask;
167 #if defined(TARGET_PPC64)
168 bool sf_mode;
169 bool has_cfar;
170 #endif
171 bool fpu_enabled;
172 bool altivec_enabled;
173 bool vsx_enabled;
174 bool spe_enabled;
175 bool tm_enabled;
176 bool scv_enabled;
177 bool gtse;
178 ppc_spr_t *spr_cb; /* Needed to check rights for mfspr/mtspr */
179 int singlestep_enabled;
180 uint32_t flags;
181 uint64_t insns_flags;
182 uint64_t insns_flags2;
183 };
184
185 /* Return true iff byteswap is needed in a scalar memop */
186 static inline bool need_byteswap(const DisasContext *ctx)
187 {
188 #if defined(TARGET_WORDS_BIGENDIAN)
189 return ctx->le_mode;
190 #else
191 return !ctx->le_mode;
192 #endif
193 }
194
195 /* True when active word size < size of target_long. */
196 #ifdef TARGET_PPC64
197 # define NARROW_MODE(C) (!(C)->sf_mode)
198 #else
199 # define NARROW_MODE(C) 0
200 #endif
201
202 struct opc_handler_t {
203 /* invalid bits for instruction 1 (Rc(opcode) == 0) */
204 uint32_t inval1;
205 /* invalid bits for instruction 2 (Rc(opcode) == 1) */
206 uint32_t inval2;
207 /* instruction type */
208 uint64_t type;
209 /* extended instruction type */
210 uint64_t type2;
211 /* handler */
212 void (*handler)(DisasContext *ctx);
213 #if defined(DO_PPC_STATISTICS) || defined(PPC_DUMP_CPU)
214 const char *oname;
215 #endif
216 #if defined(DO_PPC_STATISTICS)
217 uint64_t count;
218 #endif
219 };
220
221 /* SPR load/store helpers */
222 static inline void gen_load_spr(TCGv t, int reg)
223 {
224 tcg_gen_ld_tl(t, cpu_env, offsetof(CPUPPCState, spr[reg]));
225 }
226
227 static inline void gen_store_spr(int reg, TCGv t)
228 {
229 tcg_gen_st_tl(t, cpu_env, offsetof(CPUPPCState, spr[reg]));
230 }
231
232 static inline void gen_set_access_type(DisasContext *ctx, int access_type)
233 {
234 if (ctx->need_access_type && ctx->access_type != access_type) {
235 tcg_gen_movi_i32(cpu_access_type, access_type);
236 ctx->access_type = access_type;
237 }
238 }
239
240 static inline void gen_update_nip(DisasContext *ctx, target_ulong nip)
241 {
242 if (NARROW_MODE(ctx)) {
243 nip = (uint32_t)nip;
244 }
245 tcg_gen_movi_tl(cpu_nip, nip);
246 }
247
248 static void gen_exception_err(DisasContext *ctx, uint32_t excp, uint32_t error)
249 {
250 TCGv_i32 t0, t1;
251
252 /*
253 * These are all synchronous exceptions, we set the PC back to the
254 * faulting instruction
255 */
256 if (ctx->exception == POWERPC_EXCP_NONE) {
257 gen_update_nip(ctx, ctx->base.pc_next - 4);
258 }
259 t0 = tcg_const_i32(excp);
260 t1 = tcg_const_i32(error);
261 gen_helper_raise_exception_err(cpu_env, t0, t1);
262 tcg_temp_free_i32(t0);
263 tcg_temp_free_i32(t1);
264 ctx->exception = (excp);
265 }
266
267 static void gen_exception(DisasContext *ctx, uint32_t excp)
268 {
269 TCGv_i32 t0;
270
271 /*
272 * These are all synchronous exceptions, we set the PC back to the
273 * faulting instruction
274 */
275 if (ctx->exception == POWERPC_EXCP_NONE) {
276 gen_update_nip(ctx, ctx->base.pc_next - 4);
277 }
278 t0 = tcg_const_i32(excp);
279 gen_helper_raise_exception(cpu_env, t0);
280 tcg_temp_free_i32(t0);
281 ctx->exception = (excp);
282 }
283
284 static void gen_exception_nip(DisasContext *ctx, uint32_t excp,
285 target_ulong nip)
286 {
287 TCGv_i32 t0;
288
289 gen_update_nip(ctx, nip);
290 t0 = tcg_const_i32(excp);
291 gen_helper_raise_exception(cpu_env, t0);
292 tcg_temp_free_i32(t0);
293 ctx->exception = (excp);
294 }
295
296 /*
297 * Tells the caller what is the appropriate exception to generate and prepares
298 * SPR registers for this exception.
299 *
300 * The exception can be either POWERPC_EXCP_TRACE (on most PowerPCs) or
301 * POWERPC_EXCP_DEBUG (on BookE).
302 */
303 static uint32_t gen_prep_dbgex(DisasContext *ctx)
304 {
305 if (ctx->flags & POWERPC_FLAG_DE) {
306 target_ulong dbsr = 0;
307 if (ctx->singlestep_enabled & CPU_SINGLE_STEP) {
308 dbsr = DBCR0_ICMP;
309 } else {
310 /* Must have been branch */
311 dbsr = DBCR0_BRT;
312 }
313 TCGv t0 = tcg_temp_new();
314 gen_load_spr(t0, SPR_BOOKE_DBSR);
315 tcg_gen_ori_tl(t0, t0, dbsr);
316 gen_store_spr(SPR_BOOKE_DBSR, t0);
317 tcg_temp_free(t0);
318 return POWERPC_EXCP_DEBUG;
319 } else {
320 return POWERPC_EXCP_TRACE;
321 }
322 }
323
324 static void gen_debug_exception(DisasContext *ctx)
325 {
326 TCGv_i32 t0;
327
328 /*
329 * These are all synchronous exceptions, we set the PC back to the
330 * faulting instruction
331 */
332 if ((ctx->exception != POWERPC_EXCP_BRANCH) &&
333 (ctx->exception != POWERPC_EXCP_SYNC)) {
334 gen_update_nip(ctx, ctx->base.pc_next);
335 }
336 t0 = tcg_const_i32(EXCP_DEBUG);
337 gen_helper_raise_exception(cpu_env, t0);
338 tcg_temp_free_i32(t0);
339 }
340
341 static inline void gen_inval_exception(DisasContext *ctx, uint32_t error)
342 {
343 /* Will be converted to program check if needed */
344 gen_exception_err(ctx, POWERPC_EXCP_HV_EMU, POWERPC_EXCP_INVAL | error);
345 }
346
347 static inline void gen_priv_exception(DisasContext *ctx, uint32_t error)
348 {
349 gen_exception_err(ctx, POWERPC_EXCP_PROGRAM, POWERPC_EXCP_PRIV | error);
350 }
351
352 static inline void gen_hvpriv_exception(DisasContext *ctx, uint32_t error)
353 {
354 /* Will be converted to program check if needed */
355 gen_exception_err(ctx, POWERPC_EXCP_HV_EMU, POWERPC_EXCP_PRIV | error);
356 }
357
358 /* Stop translation */
359 static inline void gen_stop_exception(DisasContext *ctx)
360 {
361 gen_update_nip(ctx, ctx->base.pc_next);
362 ctx->exception = POWERPC_EXCP_STOP;
363 }
364
365 #ifndef CONFIG_USER_ONLY
366 /* No need to update nip here, as execution flow will change */
367 static inline void gen_sync_exception(DisasContext *ctx)
368 {
369 ctx->exception = POWERPC_EXCP_SYNC;
370 }
371 #endif
372
373 #define GEN_HANDLER(name, opc1, opc2, opc3, inval, type) \
374 GEN_OPCODE(name, opc1, opc2, opc3, inval, type, PPC_NONE)
375
376 #define GEN_HANDLER_E(name, opc1, opc2, opc3, inval, type, type2) \
377 GEN_OPCODE(name, opc1, opc2, opc3, inval, type, type2)
378
379 #define GEN_HANDLER2(name, onam, opc1, opc2, opc3, inval, type) \
380 GEN_OPCODE2(name, onam, opc1, opc2, opc3, inval, type, PPC_NONE)
381
382 #define GEN_HANDLER2_E(name, onam, opc1, opc2, opc3, inval, type, type2) \
383 GEN_OPCODE2(name, onam, opc1, opc2, opc3, inval, type, type2)
384
385 #define GEN_HANDLER_E_2(name, opc1, opc2, opc3, opc4, inval, type, type2) \
386 GEN_OPCODE3(name, opc1, opc2, opc3, opc4, inval, type, type2)
387
388 #define GEN_HANDLER2_E_2(name, onam, opc1, opc2, opc3, opc4, inval, typ, typ2) \
389 GEN_OPCODE4(name, onam, opc1, opc2, opc3, opc4, inval, typ, typ2)
390
391 typedef struct opcode_t {
392 unsigned char opc1, opc2, opc3, opc4;
393 #if HOST_LONG_BITS == 64 /* Explicitly align to 64 bits */
394 unsigned char pad[4];
395 #endif
396 opc_handler_t handler;
397 const char *oname;
398 } opcode_t;
399
400 /* Helpers for priv. check */
401 #define GEN_PRIV \
402 do { \
403 gen_priv_exception(ctx, POWERPC_EXCP_PRIV_OPC); return; \
404 } while (0)
405
406 #if defined(CONFIG_USER_ONLY)
407 #define CHK_HV GEN_PRIV
408 #define CHK_SV GEN_PRIV
409 #define CHK_HVRM GEN_PRIV
410 #else
411 #define CHK_HV \
412 do { \
413 if (unlikely(ctx->pr || !ctx->hv)) { \
414 GEN_PRIV; \
415 } \
416 } while (0)
417 #define CHK_SV \
418 do { \
419 if (unlikely(ctx->pr)) { \
420 GEN_PRIV; \
421 } \
422 } while (0)
423 #define CHK_HVRM \
424 do { \
425 if (unlikely(ctx->pr || !ctx->hv || ctx->dr)) { \
426 GEN_PRIV; \
427 } \
428 } while (0)
429 #endif
430
431 #define CHK_NONE
432
433 /*****************************************************************************/
434 /* PowerPC instructions table */
435
436 #if defined(DO_PPC_STATISTICS)
437 #define GEN_OPCODE(name, op1, op2, op3, invl, _typ, _typ2) \
438 { \
439 .opc1 = op1, \
440 .opc2 = op2, \
441 .opc3 = op3, \
442 .opc4 = 0xff, \
443 .handler = { \
444 .inval1 = invl, \
445 .type = _typ, \
446 .type2 = _typ2, \
447 .handler = &gen_##name, \
448 .oname = stringify(name), \
449 }, \
450 .oname = stringify(name), \
451 }
452 #define GEN_OPCODE_DUAL(name, op1, op2, op3, invl1, invl2, _typ, _typ2) \
453 { \
454 .opc1 = op1, \
455 .opc2 = op2, \
456 .opc3 = op3, \
457 .opc4 = 0xff, \
458 .handler = { \
459 .inval1 = invl1, \
460 .inval2 = invl2, \
461 .type = _typ, \
462 .type2 = _typ2, \
463 .handler = &gen_##name, \
464 .oname = stringify(name), \
465 }, \
466 .oname = stringify(name), \
467 }
468 #define GEN_OPCODE2(name, onam, op1, op2, op3, invl, _typ, _typ2) \
469 { \
470 .opc1 = op1, \
471 .opc2 = op2, \
472 .opc3 = op3, \
473 .opc4 = 0xff, \
474 .handler = { \
475 .inval1 = invl, \
476 .type = _typ, \
477 .type2 = _typ2, \
478 .handler = &gen_##name, \
479 .oname = onam, \
480 }, \
481 .oname = onam, \
482 }
483 #define GEN_OPCODE3(name, op1, op2, op3, op4, invl, _typ, _typ2) \
484 { \
485 .opc1 = op1, \
486 .opc2 = op2, \
487 .opc3 = op3, \
488 .opc4 = op4, \
489 .handler = { \
490 .inval1 = invl, \
491 .type = _typ, \
492 .type2 = _typ2, \
493 .handler = &gen_##name, \
494 .oname = stringify(name), \
495 }, \
496 .oname = stringify(name), \
497 }
498 #define GEN_OPCODE4(name, onam, op1, op2, op3, op4, invl, _typ, _typ2) \
499 { \
500 .opc1 = op1, \
501 .opc2 = op2, \
502 .opc3 = op3, \
503 .opc4 = op4, \
504 .handler = { \
505 .inval1 = invl, \
506 .type = _typ, \
507 .type2 = _typ2, \
508 .handler = &gen_##name, \
509 .oname = onam, \
510 }, \
511 .oname = onam, \
512 }
513 #else
514 #define GEN_OPCODE(name, op1, op2, op3, invl, _typ, _typ2) \
515 { \
516 .opc1 = op1, \
517 .opc2 = op2, \
518 .opc3 = op3, \
519 .opc4 = 0xff, \
520 .handler = { \
521 .inval1 = invl, \
522 .type = _typ, \
523 .type2 = _typ2, \
524 .handler = &gen_##name, \
525 }, \
526 .oname = stringify(name), \
527 }
528 #define GEN_OPCODE_DUAL(name, op1, op2, op3, invl1, invl2, _typ, _typ2) \
529 { \
530 .opc1 = op1, \
531 .opc2 = op2, \
532 .opc3 = op3, \
533 .opc4 = 0xff, \
534 .handler = { \
535 .inval1 = invl1, \
536 .inval2 = invl2, \
537 .type = _typ, \
538 .type2 = _typ2, \
539 .handler = &gen_##name, \
540 }, \
541 .oname = stringify(name), \
542 }
543 #define GEN_OPCODE2(name, onam, op1, op2, op3, invl, _typ, _typ2) \
544 { \
545 .opc1 = op1, \
546 .opc2 = op2, \
547 .opc3 = op3, \
548 .opc4 = 0xff, \
549 .handler = { \
550 .inval1 = invl, \
551 .type = _typ, \
552 .type2 = _typ2, \
553 .handler = &gen_##name, \
554 }, \
555 .oname = onam, \
556 }
557 #define GEN_OPCODE3(name, op1, op2, op3, op4, invl, _typ, _typ2) \
558 { \
559 .opc1 = op1, \
560 .opc2 = op2, \
561 .opc3 = op3, \
562 .opc4 = op4, \
563 .handler = { \
564 .inval1 = invl, \
565 .type = _typ, \
566 .type2 = _typ2, \
567 .handler = &gen_##name, \
568 }, \
569 .oname = stringify(name), \
570 }
571 #define GEN_OPCODE4(name, onam, op1, op2, op3, op4, invl, _typ, _typ2) \
572 { \
573 .opc1 = op1, \
574 .opc2 = op2, \
575 .opc3 = op3, \
576 .opc4 = op4, \
577 .handler = { \
578 .inval1 = invl, \
579 .type = _typ, \
580 .type2 = _typ2, \
581 .handler = &gen_##name, \
582 }, \
583 .oname = onam, \
584 }
585 #endif
586
587 /* Invalid instruction */
588 static void gen_invalid(DisasContext *ctx)
589 {
590 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
591 }
592
593 static opc_handler_t invalid_handler = {
594 .inval1 = 0xFFFFFFFF,
595 .inval2 = 0xFFFFFFFF,
596 .type = PPC_NONE,
597 .type2 = PPC_NONE,
598 .handler = gen_invalid,
599 };
600
601 /*** Integer comparison ***/
602
603 static inline void gen_op_cmp(TCGv arg0, TCGv arg1, int s, int crf)
604 {
605 TCGv t0 = tcg_temp_new();
606 TCGv t1 = tcg_temp_new();
607 TCGv_i32 t = tcg_temp_new_i32();
608
609 tcg_gen_movi_tl(t0, CRF_EQ);
610 tcg_gen_movi_tl(t1, CRF_LT);
611 tcg_gen_movcond_tl((s ? TCG_COND_LT : TCG_COND_LTU),
612 t0, arg0, arg1, t1, t0);
613 tcg_gen_movi_tl(t1, CRF_GT);
614 tcg_gen_movcond_tl((s ? TCG_COND_GT : TCG_COND_GTU),
615 t0, arg0, arg1, t1, t0);
616
617 tcg_gen_trunc_tl_i32(t, t0);
618 tcg_gen_trunc_tl_i32(cpu_crf[crf], cpu_so);
619 tcg_gen_or_i32(cpu_crf[crf], cpu_crf[crf], t);
620
621 tcg_temp_free(t0);
622 tcg_temp_free(t1);
623 tcg_temp_free_i32(t);
624 }
625
626 static inline void gen_op_cmpi(TCGv arg0, target_ulong arg1, int s, int crf)
627 {
628 TCGv t0 = tcg_const_tl(arg1);
629 gen_op_cmp(arg0, t0, s, crf);
630 tcg_temp_free(t0);
631 }
632
633 static inline void gen_op_cmp32(TCGv arg0, TCGv arg1, int s, int crf)
634 {
635 TCGv t0, t1;
636 t0 = tcg_temp_new();
637 t1 = tcg_temp_new();
638 if (s) {
639 tcg_gen_ext32s_tl(t0, arg0);
640 tcg_gen_ext32s_tl(t1, arg1);
641 } else {
642 tcg_gen_ext32u_tl(t0, arg0);
643 tcg_gen_ext32u_tl(t1, arg1);
644 }
645 gen_op_cmp(t0, t1, s, crf);
646 tcg_temp_free(t1);
647 tcg_temp_free(t0);
648 }
649
650 static inline void gen_op_cmpi32(TCGv arg0, target_ulong arg1, int s, int crf)
651 {
652 TCGv t0 = tcg_const_tl(arg1);
653 gen_op_cmp32(arg0, t0, s, crf);
654 tcg_temp_free(t0);
655 }
656
657 static inline void gen_set_Rc0(DisasContext *ctx, TCGv reg)
658 {
659 if (NARROW_MODE(ctx)) {
660 gen_op_cmpi32(reg, 0, 1, 0);
661 } else {
662 gen_op_cmpi(reg, 0, 1, 0);
663 }
664 }
665
666 /* cmp */
667 static void gen_cmp(DisasContext *ctx)
668 {
669 if ((ctx->opcode & 0x00200000) && (ctx->insns_flags & PPC_64B)) {
670 gen_op_cmp(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],
671 1, crfD(ctx->opcode));
672 } else {
673 gen_op_cmp32(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],
674 1, crfD(ctx->opcode));
675 }
676 }
677
678 /* cmpi */
679 static void gen_cmpi(DisasContext *ctx)
680 {
681 if ((ctx->opcode & 0x00200000) && (ctx->insns_flags & PPC_64B)) {
682 gen_op_cmpi(cpu_gpr[rA(ctx->opcode)], SIMM(ctx->opcode),
683 1, crfD(ctx->opcode));
684 } else {
685 gen_op_cmpi32(cpu_gpr[rA(ctx->opcode)], SIMM(ctx->opcode),
686 1, crfD(ctx->opcode));
687 }
688 }
689
690 /* cmpl */
691 static void gen_cmpl(DisasContext *ctx)
692 {
693 if ((ctx->opcode & 0x00200000) && (ctx->insns_flags & PPC_64B)) {
694 gen_op_cmp(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],
695 0, crfD(ctx->opcode));
696 } else {
697 gen_op_cmp32(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],
698 0, crfD(ctx->opcode));
699 }
700 }
701
702 /* cmpli */
703 static void gen_cmpli(DisasContext *ctx)
704 {
705 if ((ctx->opcode & 0x00200000) && (ctx->insns_flags & PPC_64B)) {
706 gen_op_cmpi(cpu_gpr[rA(ctx->opcode)], UIMM(ctx->opcode),
707 0, crfD(ctx->opcode));
708 } else {
709 gen_op_cmpi32(cpu_gpr[rA(ctx->opcode)], UIMM(ctx->opcode),
710 0, crfD(ctx->opcode));
711 }
712 }
713
714 /* cmprb - range comparison: isupper, isaplha, islower*/
715 static void gen_cmprb(DisasContext *ctx)
716 {
717 TCGv_i32 src1 = tcg_temp_new_i32();
718 TCGv_i32 src2 = tcg_temp_new_i32();
719 TCGv_i32 src2lo = tcg_temp_new_i32();
720 TCGv_i32 src2hi = tcg_temp_new_i32();
721 TCGv_i32 crf = cpu_crf[crfD(ctx->opcode)];
722
723 tcg_gen_trunc_tl_i32(src1, cpu_gpr[rA(ctx->opcode)]);
724 tcg_gen_trunc_tl_i32(src2, cpu_gpr[rB(ctx->opcode)]);
725
726 tcg_gen_andi_i32(src1, src1, 0xFF);
727 tcg_gen_ext8u_i32(src2lo, src2);
728 tcg_gen_shri_i32(src2, src2, 8);
729 tcg_gen_ext8u_i32(src2hi, src2);
730
731 tcg_gen_setcond_i32(TCG_COND_LEU, src2lo, src2lo, src1);
732 tcg_gen_setcond_i32(TCG_COND_LEU, src2hi, src1, src2hi);
733 tcg_gen_and_i32(crf, src2lo, src2hi);
734
735 if (ctx->opcode & 0x00200000) {
736 tcg_gen_shri_i32(src2, src2, 8);
737 tcg_gen_ext8u_i32(src2lo, src2);
738 tcg_gen_shri_i32(src2, src2, 8);
739 tcg_gen_ext8u_i32(src2hi, src2);
740 tcg_gen_setcond_i32(TCG_COND_LEU, src2lo, src2lo, src1);
741 tcg_gen_setcond_i32(TCG_COND_LEU, src2hi, src1, src2hi);
742 tcg_gen_and_i32(src2lo, src2lo, src2hi);
743 tcg_gen_or_i32(crf, crf, src2lo);
744 }
745 tcg_gen_shli_i32(crf, crf, CRF_GT_BIT);
746 tcg_temp_free_i32(src1);
747 tcg_temp_free_i32(src2);
748 tcg_temp_free_i32(src2lo);
749 tcg_temp_free_i32(src2hi);
750 }
751
752 #if defined(TARGET_PPC64)
753 /* cmpeqb */
754 static void gen_cmpeqb(DisasContext *ctx)
755 {
756 gen_helper_cmpeqb(cpu_crf[crfD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
757 cpu_gpr[rB(ctx->opcode)]);
758 }
759 #endif
760
761 /* isel (PowerPC 2.03 specification) */
762 static void gen_isel(DisasContext *ctx)
763 {
764 uint32_t bi = rC(ctx->opcode);
765 uint32_t mask = 0x08 >> (bi & 0x03);
766 TCGv t0 = tcg_temp_new();
767 TCGv zr;
768
769 tcg_gen_extu_i32_tl(t0, cpu_crf[bi >> 2]);
770 tcg_gen_andi_tl(t0, t0, mask);
771
772 zr = tcg_const_tl(0);
773 tcg_gen_movcond_tl(TCG_COND_NE, cpu_gpr[rD(ctx->opcode)], t0, zr,
774 rA(ctx->opcode) ? cpu_gpr[rA(ctx->opcode)] : zr,
775 cpu_gpr[rB(ctx->opcode)]);
776 tcg_temp_free(zr);
777 tcg_temp_free(t0);
778 }
779
780 /* cmpb: PowerPC 2.05 specification */
781 static void gen_cmpb(DisasContext *ctx)
782 {
783 gen_helper_cmpb(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)],
784 cpu_gpr[rB(ctx->opcode)]);
785 }
786
787 /*** Integer arithmetic ***/
788
789 static inline void gen_op_arith_compute_ov(DisasContext *ctx, TCGv arg0,
790 TCGv arg1, TCGv arg2, int sub)
791 {
792 TCGv t0 = tcg_temp_new();
793
794 tcg_gen_xor_tl(cpu_ov, arg0, arg2);
795 tcg_gen_xor_tl(t0, arg1, arg2);
796 if (sub) {
797 tcg_gen_and_tl(cpu_ov, cpu_ov, t0);
798 } else {
799 tcg_gen_andc_tl(cpu_ov, cpu_ov, t0);
800 }
801 tcg_temp_free(t0);
802 if (NARROW_MODE(ctx)) {
803 tcg_gen_extract_tl(cpu_ov, cpu_ov, 31, 1);
804 if (is_isa300(ctx)) {
805 tcg_gen_mov_tl(cpu_ov32, cpu_ov);
806 }
807 } else {
808 if (is_isa300(ctx)) {
809 tcg_gen_extract_tl(cpu_ov32, cpu_ov, 31, 1);
810 }
811 tcg_gen_extract_tl(cpu_ov, cpu_ov, TARGET_LONG_BITS - 1, 1);
812 }
813 tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov);
814 }
815
816 static inline void gen_op_arith_compute_ca32(DisasContext *ctx,
817 TCGv res, TCGv arg0, TCGv arg1,
818 TCGv ca32, int sub)
819 {
820 TCGv t0;
821
822 if (!is_isa300(ctx)) {
823 return;
824 }
825
826 t0 = tcg_temp_new();
827 if (sub) {
828 tcg_gen_eqv_tl(t0, arg0, arg1);
829 } else {
830 tcg_gen_xor_tl(t0, arg0, arg1);
831 }
832 tcg_gen_xor_tl(t0, t0, res);
833 tcg_gen_extract_tl(ca32, t0, 32, 1);
834 tcg_temp_free(t0);
835 }
836
837 /* Common add function */
838 static inline void gen_op_arith_add(DisasContext *ctx, TCGv ret, TCGv arg1,
839 TCGv arg2, TCGv ca, TCGv ca32,
840 bool add_ca, bool compute_ca,
841 bool compute_ov, bool compute_rc0)
842 {
843 TCGv t0 = ret;
844
845 if (compute_ca || compute_ov) {
846 t0 = tcg_temp_new();
847 }
848
849 if (compute_ca) {
850 if (NARROW_MODE(ctx)) {
851 /*
852 * Caution: a non-obvious corner case of the spec is that
853 * we must produce the *entire* 64-bit addition, but
854 * produce the carry into bit 32.
855 */
856 TCGv t1 = tcg_temp_new();
857 tcg_gen_xor_tl(t1, arg1, arg2); /* add without carry */
858 tcg_gen_add_tl(t0, arg1, arg2);
859 if (add_ca) {
860 tcg_gen_add_tl(t0, t0, ca);
861 }
862 tcg_gen_xor_tl(ca, t0, t1); /* bits changed w/ carry */
863 tcg_temp_free(t1);
864 tcg_gen_extract_tl(ca, ca, 32, 1);
865 if (is_isa300(ctx)) {
866 tcg_gen_mov_tl(ca32, ca);
867 }
868 } else {
869 TCGv zero = tcg_const_tl(0);
870 if (add_ca) {
871 tcg_gen_add2_tl(t0, ca, arg1, zero, ca, zero);
872 tcg_gen_add2_tl(t0, ca, t0, ca, arg2, zero);
873 } else {
874 tcg_gen_add2_tl(t0, ca, arg1, zero, arg2, zero);
875 }
876 gen_op_arith_compute_ca32(ctx, t0, arg1, arg2, ca32, 0);
877 tcg_temp_free(zero);
878 }
879 } else {
880 tcg_gen_add_tl(t0, arg1, arg2);
881 if (add_ca) {
882 tcg_gen_add_tl(t0, t0, ca);
883 }
884 }
885
886 if (compute_ov) {
887 gen_op_arith_compute_ov(ctx, t0, arg1, arg2, 0);
888 }
889 if (unlikely(compute_rc0)) {
890 gen_set_Rc0(ctx, t0);
891 }
892
893 if (t0 != ret) {
894 tcg_gen_mov_tl(ret, t0);
895 tcg_temp_free(t0);
896 }
897 }
898 /* Add functions with two operands */
899 #define GEN_INT_ARITH_ADD(name, opc3, ca, add_ca, compute_ca, compute_ov) \
900 static void glue(gen_, name)(DisasContext *ctx) \
901 { \
902 gen_op_arith_add(ctx, cpu_gpr[rD(ctx->opcode)], \
903 cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], \
904 ca, glue(ca, 32), \
905 add_ca, compute_ca, compute_ov, Rc(ctx->opcode)); \
906 }
907 /* Add functions with one operand and one immediate */
908 #define GEN_INT_ARITH_ADD_CONST(name, opc3, const_val, ca, \
909 add_ca, compute_ca, compute_ov) \
910 static void glue(gen_, name)(DisasContext *ctx) \
911 { \
912 TCGv t0 = tcg_const_tl(const_val); \
913 gen_op_arith_add(ctx, cpu_gpr[rD(ctx->opcode)], \
914 cpu_gpr[rA(ctx->opcode)], t0, \
915 ca, glue(ca, 32), \
916 add_ca, compute_ca, compute_ov, Rc(ctx->opcode)); \
917 tcg_temp_free(t0); \
918 }
919
920 /* add add. addo addo. */
921 GEN_INT_ARITH_ADD(add, 0x08, cpu_ca, 0, 0, 0)
922 GEN_INT_ARITH_ADD(addo, 0x18, cpu_ca, 0, 0, 1)
923 /* addc addc. addco addco. */
924 GEN_INT_ARITH_ADD(addc, 0x00, cpu_ca, 0, 1, 0)
925 GEN_INT_ARITH_ADD(addco, 0x10, cpu_ca, 0, 1, 1)
926 /* adde adde. addeo addeo. */
927 GEN_INT_ARITH_ADD(adde, 0x04, cpu_ca, 1, 1, 0)
928 GEN_INT_ARITH_ADD(addeo, 0x14, cpu_ca, 1, 1, 1)
929 /* addme addme. addmeo addmeo. */
930 GEN_INT_ARITH_ADD_CONST(addme, 0x07, -1LL, cpu_ca, 1, 1, 0)
931 GEN_INT_ARITH_ADD_CONST(addmeo, 0x17, -1LL, cpu_ca, 1, 1, 1)
932 /* addex */
933 GEN_INT_ARITH_ADD(addex, 0x05, cpu_ov, 1, 1, 0);
934 /* addze addze. addzeo addzeo.*/
935 GEN_INT_ARITH_ADD_CONST(addze, 0x06, 0, cpu_ca, 1, 1, 0)
936 GEN_INT_ARITH_ADD_CONST(addzeo, 0x16, 0, cpu_ca, 1, 1, 1)
937 /* addi */
938 static void gen_addi(DisasContext *ctx)
939 {
940 target_long simm = SIMM(ctx->opcode);
941
942 if (rA(ctx->opcode) == 0) {
943 /* li case */
944 tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], simm);
945 } else {
946 tcg_gen_addi_tl(cpu_gpr[rD(ctx->opcode)],
947 cpu_gpr[rA(ctx->opcode)], simm);
948 }
949 }
950 /* addic addic.*/
951 static inline void gen_op_addic(DisasContext *ctx, bool compute_rc0)
952 {
953 TCGv c = tcg_const_tl(SIMM(ctx->opcode));
954 gen_op_arith_add(ctx, cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
955 c, cpu_ca, cpu_ca32, 0, 1, 0, compute_rc0);
956 tcg_temp_free(c);
957 }
958
959 static void gen_addic(DisasContext *ctx)
960 {
961 gen_op_addic(ctx, 0);
962 }
963
964 static void gen_addic_(DisasContext *ctx)
965 {
966 gen_op_addic(ctx, 1);
967 }
968
969 /* addis */
970 static void gen_addis(DisasContext *ctx)
971 {
972 target_long simm = SIMM(ctx->opcode);
973
974 if (rA(ctx->opcode) == 0) {
975 /* lis case */
976 tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], simm << 16);
977 } else {
978 tcg_gen_addi_tl(cpu_gpr[rD(ctx->opcode)],
979 cpu_gpr[rA(ctx->opcode)], simm << 16);
980 }
981 }
982
983 /* addpcis */
984 static void gen_addpcis(DisasContext *ctx)
985 {
986 target_long d = DX(ctx->opcode);
987
988 tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], ctx->base.pc_next + (d << 16));
989 }
990
991 static inline void gen_op_arith_divw(DisasContext *ctx, TCGv ret, TCGv arg1,
992 TCGv arg2, int sign, int compute_ov)
993 {
994 TCGv_i32 t0 = tcg_temp_new_i32();
995 TCGv_i32 t1 = tcg_temp_new_i32();
996 TCGv_i32 t2 = tcg_temp_new_i32();
997 TCGv_i32 t3 = tcg_temp_new_i32();
998
999 tcg_gen_trunc_tl_i32(t0, arg1);
1000 tcg_gen_trunc_tl_i32(t1, arg2);
1001 if (sign) {
1002 tcg_gen_setcondi_i32(TCG_COND_EQ, t2, t0, INT_MIN);
1003 tcg_gen_setcondi_i32(TCG_COND_EQ, t3, t1, -1);
1004 tcg_gen_and_i32(t2, t2, t3);
1005 tcg_gen_setcondi_i32(TCG_COND_EQ, t3, t1, 0);
1006 tcg_gen_or_i32(t2, t2, t3);
1007 tcg_gen_movi_i32(t3, 0);
1008 tcg_gen_movcond_i32(TCG_COND_NE, t1, t2, t3, t2, t1);
1009 tcg_gen_div_i32(t3, t0, t1);
1010 tcg_gen_extu_i32_tl(ret, t3);
1011 } else {
1012 tcg_gen_setcondi_i32(TCG_COND_EQ, t2, t1, 0);
1013 tcg_gen_movi_i32(t3, 0);
1014 tcg_gen_movcond_i32(TCG_COND_NE, t1, t2, t3, t2, t1);
1015 tcg_gen_divu_i32(t3, t0, t1);
1016 tcg_gen_extu_i32_tl(ret, t3);
1017 }
1018 if (compute_ov) {
1019 tcg_gen_extu_i32_tl(cpu_ov, t2);
1020 if (is_isa300(ctx)) {
1021 tcg_gen_extu_i32_tl(cpu_ov32, t2);
1022 }
1023 tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov);
1024 }
1025 tcg_temp_free_i32(t0);
1026 tcg_temp_free_i32(t1);
1027 tcg_temp_free_i32(t2);
1028 tcg_temp_free_i32(t3);
1029
1030 if (unlikely(Rc(ctx->opcode) != 0)) {
1031 gen_set_Rc0(ctx, ret);
1032 }
1033 }
1034 /* Div functions */
1035 #define GEN_INT_ARITH_DIVW(name, opc3, sign, compute_ov) \
1036 static void glue(gen_, name)(DisasContext *ctx) \
1037 { \
1038 gen_op_arith_divw(ctx, cpu_gpr[rD(ctx->opcode)], \
1039 cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], \
1040 sign, compute_ov); \
1041 }
1042 /* divwu divwu. divwuo divwuo. */
1043 GEN_INT_ARITH_DIVW(divwu, 0x0E, 0, 0);
1044 GEN_INT_ARITH_DIVW(divwuo, 0x1E, 0, 1);
1045 /* divw divw. divwo divwo. */
1046 GEN_INT_ARITH_DIVW(divw, 0x0F, 1, 0);
1047 GEN_INT_ARITH_DIVW(divwo, 0x1F, 1, 1);
1048
1049 /* div[wd]eu[o][.] */
1050 #define GEN_DIVE(name, hlpr, compute_ov) \
1051 static void gen_##name(DisasContext *ctx) \
1052 { \
1053 TCGv_i32 t0 = tcg_const_i32(compute_ov); \
1054 gen_helper_##hlpr(cpu_gpr[rD(ctx->opcode)], cpu_env, \
1055 cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], t0); \
1056 tcg_temp_free_i32(t0); \
1057 if (unlikely(Rc(ctx->opcode) != 0)) { \
1058 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); \
1059 } \
1060 }
1061
1062 GEN_DIVE(divweu, divweu, 0);
1063 GEN_DIVE(divweuo, divweu, 1);
1064 GEN_DIVE(divwe, divwe, 0);
1065 GEN_DIVE(divweo, divwe, 1);
1066
1067 #if defined(TARGET_PPC64)
1068 static inline void gen_op_arith_divd(DisasContext *ctx, TCGv ret, TCGv arg1,
1069 TCGv arg2, int sign, int compute_ov)
1070 {
1071 TCGv_i64 t0 = tcg_temp_new_i64();
1072 TCGv_i64 t1 = tcg_temp_new_i64();
1073 TCGv_i64 t2 = tcg_temp_new_i64();
1074 TCGv_i64 t3 = tcg_temp_new_i64();
1075
1076 tcg_gen_mov_i64(t0, arg1);
1077 tcg_gen_mov_i64(t1, arg2);
1078 if (sign) {
1079 tcg_gen_setcondi_i64(TCG_COND_EQ, t2, t0, INT64_MIN);
1080 tcg_gen_setcondi_i64(TCG_COND_EQ, t3, t1, -1);
1081 tcg_gen_and_i64(t2, t2, t3);
1082 tcg_gen_setcondi_i64(TCG_COND_EQ, t3, t1, 0);
1083 tcg_gen_or_i64(t2, t2, t3);
1084 tcg_gen_movi_i64(t3, 0);
1085 tcg_gen_movcond_i64(TCG_COND_NE, t1, t2, t3, t2, t1);
1086 tcg_gen_div_i64(ret, t0, t1);
1087 } else {
1088 tcg_gen_setcondi_i64(TCG_COND_EQ, t2, t1, 0);
1089 tcg_gen_movi_i64(t3, 0);
1090 tcg_gen_movcond_i64(TCG_COND_NE, t1, t2, t3, t2, t1);
1091 tcg_gen_divu_i64(ret, t0, t1);
1092 }
1093 if (compute_ov) {
1094 tcg_gen_mov_tl(cpu_ov, t2);
1095 if (is_isa300(ctx)) {
1096 tcg_gen_mov_tl(cpu_ov32, t2);
1097 }
1098 tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov);
1099 }
1100 tcg_temp_free_i64(t0);
1101 tcg_temp_free_i64(t1);
1102 tcg_temp_free_i64(t2);
1103 tcg_temp_free_i64(t3);
1104
1105 if (unlikely(Rc(ctx->opcode) != 0)) {
1106 gen_set_Rc0(ctx, ret);
1107 }
1108 }
1109
1110 #define GEN_INT_ARITH_DIVD(name, opc3, sign, compute_ov) \
1111 static void glue(gen_, name)(DisasContext *ctx) \
1112 { \
1113 gen_op_arith_divd(ctx, cpu_gpr[rD(ctx->opcode)], \
1114 cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], \
1115 sign, compute_ov); \
1116 }
1117 /* divdu divdu. divduo divduo. */
1118 GEN_INT_ARITH_DIVD(divdu, 0x0E, 0, 0);
1119 GEN_INT_ARITH_DIVD(divduo, 0x1E, 0, 1);
1120 /* divd divd. divdo divdo. */
1121 GEN_INT_ARITH_DIVD(divd, 0x0F, 1, 0);
1122 GEN_INT_ARITH_DIVD(divdo, 0x1F, 1, 1);
1123
1124 GEN_DIVE(divdeu, divdeu, 0);
1125 GEN_DIVE(divdeuo, divdeu, 1);
1126 GEN_DIVE(divde, divde, 0);
1127 GEN_DIVE(divdeo, divde, 1);
1128 #endif
1129
1130 static inline void gen_op_arith_modw(DisasContext *ctx, TCGv ret, TCGv arg1,
1131 TCGv arg2, int sign)
1132 {
1133 TCGv_i32 t0 = tcg_temp_new_i32();
1134 TCGv_i32 t1 = tcg_temp_new_i32();
1135
1136 tcg_gen_trunc_tl_i32(t0, arg1);
1137 tcg_gen_trunc_tl_i32(t1, arg2);
1138 if (sign) {
1139 TCGv_i32 t2 = tcg_temp_new_i32();
1140 TCGv_i32 t3 = tcg_temp_new_i32();
1141 tcg_gen_setcondi_i32(TCG_COND_EQ, t2, t0, INT_MIN);
1142 tcg_gen_setcondi_i32(TCG_COND_EQ, t3, t1, -1);
1143 tcg_gen_and_i32(t2, t2, t3);
1144 tcg_gen_setcondi_i32(TCG_COND_EQ, t3, t1, 0);
1145 tcg_gen_or_i32(t2, t2, t3);
1146 tcg_gen_movi_i32(t3, 0);
1147 tcg_gen_movcond_i32(TCG_COND_NE, t1, t2, t3, t2, t1);
1148 tcg_gen_rem_i32(t3, t0, t1);
1149 tcg_gen_ext_i32_tl(ret, t3);
1150 tcg_temp_free_i32(t2);
1151 tcg_temp_free_i32(t3);
1152 } else {
1153 TCGv_i32 t2 = tcg_const_i32(1);
1154 TCGv_i32 t3 = tcg_const_i32(0);
1155 tcg_gen_movcond_i32(TCG_COND_EQ, t1, t1, t3, t2, t1);
1156 tcg_gen_remu_i32(t3, t0, t1);
1157 tcg_gen_extu_i32_tl(ret, t3);
1158 tcg_temp_free_i32(t2);
1159 tcg_temp_free_i32(t3);
1160 }
1161 tcg_temp_free_i32(t0);
1162 tcg_temp_free_i32(t1);
1163 }
1164
1165 #define GEN_INT_ARITH_MODW(name, opc3, sign) \
1166 static void glue(gen_, name)(DisasContext *ctx) \
1167 { \
1168 gen_op_arith_modw(ctx, cpu_gpr[rD(ctx->opcode)], \
1169 cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], \
1170 sign); \
1171 }
1172
1173 GEN_INT_ARITH_MODW(moduw, 0x08, 0);
1174 GEN_INT_ARITH_MODW(modsw, 0x18, 1);
1175
1176 #if defined(TARGET_PPC64)
1177 static inline void gen_op_arith_modd(DisasContext *ctx, TCGv ret, TCGv arg1,
1178 TCGv arg2, int sign)
1179 {
1180 TCGv_i64 t0 = tcg_temp_new_i64();
1181 TCGv_i64 t1 = tcg_temp_new_i64();
1182
1183 tcg_gen_mov_i64(t0, arg1);
1184 tcg_gen_mov_i64(t1, arg2);
1185 if (sign) {
1186 TCGv_i64 t2 = tcg_temp_new_i64();
1187 TCGv_i64 t3 = tcg_temp_new_i64();
1188 tcg_gen_setcondi_i64(TCG_COND_EQ, t2, t0, INT64_MIN);
1189 tcg_gen_setcondi_i64(TCG_COND_EQ, t3, t1, -1);
1190 tcg_gen_and_i64(t2, t2, t3);
1191 tcg_gen_setcondi_i64(TCG_COND_EQ, t3, t1, 0);
1192 tcg_gen_or_i64(t2, t2, t3);
1193 tcg_gen_movi_i64(t3, 0);
1194 tcg_gen_movcond_i64(TCG_COND_NE, t1, t2, t3, t2, t1);
1195 tcg_gen_rem_i64(ret, t0, t1);
1196 tcg_temp_free_i64(t2);
1197 tcg_temp_free_i64(t3);
1198 } else {
1199 TCGv_i64 t2 = tcg_const_i64(1);
1200 TCGv_i64 t3 = tcg_const_i64(0);
1201 tcg_gen_movcond_i64(TCG_COND_EQ, t1, t1, t3, t2, t1);
1202 tcg_gen_remu_i64(ret, t0, t1);
1203 tcg_temp_free_i64(t2);
1204 tcg_temp_free_i64(t3);
1205 }
1206 tcg_temp_free_i64(t0);
1207 tcg_temp_free_i64(t1);
1208 }
1209
1210 #define GEN_INT_ARITH_MODD(name, opc3, sign) \
1211 static void glue(gen_, name)(DisasContext *ctx) \
1212 { \
1213 gen_op_arith_modd(ctx, cpu_gpr[rD(ctx->opcode)], \
1214 cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], \
1215 sign); \
1216 }
1217
1218 GEN_INT_ARITH_MODD(modud, 0x08, 0);
1219 GEN_INT_ARITH_MODD(modsd, 0x18, 1);
1220 #endif
1221
1222 /* mulhw mulhw. */
1223 static void gen_mulhw(DisasContext *ctx)
1224 {
1225 TCGv_i32 t0 = tcg_temp_new_i32();
1226 TCGv_i32 t1 = tcg_temp_new_i32();
1227
1228 tcg_gen_trunc_tl_i32(t0, cpu_gpr[rA(ctx->opcode)]);
1229 tcg_gen_trunc_tl_i32(t1, cpu_gpr[rB(ctx->opcode)]);
1230 tcg_gen_muls2_i32(t0, t1, t0, t1);
1231 tcg_gen_extu_i32_tl(cpu_gpr[rD(ctx->opcode)], t1);
1232 tcg_temp_free_i32(t0);
1233 tcg_temp_free_i32(t1);
1234 if (unlikely(Rc(ctx->opcode) != 0)) {
1235 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
1236 }
1237 }
1238
1239 /* mulhwu mulhwu. */
1240 static void gen_mulhwu(DisasContext *ctx)
1241 {
1242 TCGv_i32 t0 = tcg_temp_new_i32();
1243 TCGv_i32 t1 = tcg_temp_new_i32();
1244
1245 tcg_gen_trunc_tl_i32(t0, cpu_gpr[rA(ctx->opcode)]);
1246 tcg_gen_trunc_tl_i32(t1, cpu_gpr[rB(ctx->opcode)]);
1247 tcg_gen_mulu2_i32(t0, t1, t0, t1);
1248 tcg_gen_extu_i32_tl(cpu_gpr[rD(ctx->opcode)], t1);
1249 tcg_temp_free_i32(t0);
1250 tcg_temp_free_i32(t1);
1251 if (unlikely(Rc(ctx->opcode) != 0)) {
1252 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
1253 }
1254 }
1255
1256 /* mullw mullw. */
1257 static void gen_mullw(DisasContext *ctx)
1258 {
1259 #if defined(TARGET_PPC64)
1260 TCGv_i64 t0, t1;
1261 t0 = tcg_temp_new_i64();
1262 t1 = tcg_temp_new_i64();
1263 tcg_gen_ext32s_tl(t0, cpu_gpr[rA(ctx->opcode)]);
1264 tcg_gen_ext32s_tl(t1, cpu_gpr[rB(ctx->opcode)]);
1265 tcg_gen_mul_i64(cpu_gpr[rD(ctx->opcode)], t0, t1);
1266 tcg_temp_free(t0);
1267 tcg_temp_free(t1);
1268 #else
1269 tcg_gen_mul_i32(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
1270 cpu_gpr[rB(ctx->opcode)]);
1271 #endif
1272 if (unlikely(Rc(ctx->opcode) != 0)) {
1273 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
1274 }
1275 }
1276
1277 /* mullwo mullwo. */
1278 static void gen_mullwo(DisasContext *ctx)
1279 {
1280 TCGv_i32 t0 = tcg_temp_new_i32();
1281 TCGv_i32 t1 = tcg_temp_new_i32();
1282
1283 tcg_gen_trunc_tl_i32(t0, cpu_gpr[rA(ctx->opcode)]);
1284 tcg_gen_trunc_tl_i32(t1, cpu_gpr[rB(ctx->opcode)]);
1285 tcg_gen_muls2_i32(t0, t1, t0, t1);
1286 #if defined(TARGET_PPC64)
1287 tcg_gen_concat_i32_i64(cpu_gpr[rD(ctx->opcode)], t0, t1);
1288 #else
1289 tcg_gen_mov_i32(cpu_gpr[rD(ctx->opcode)], t0);
1290 #endif
1291
1292 tcg_gen_sari_i32(t0, t0, 31);
1293 tcg_gen_setcond_i32(TCG_COND_NE, t0, t0, t1);
1294 tcg_gen_extu_i32_tl(cpu_ov, t0);
1295 if (is_isa300(ctx)) {
1296 tcg_gen_mov_tl(cpu_ov32, cpu_ov);
1297 }
1298 tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov);
1299
1300 tcg_temp_free_i32(t0);
1301 tcg_temp_free_i32(t1);
1302 if (unlikely(Rc(ctx->opcode) != 0)) {
1303 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
1304 }
1305 }
1306
1307 /* mulli */
1308 static void gen_mulli(DisasContext *ctx)
1309 {
1310 tcg_gen_muli_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
1311 SIMM(ctx->opcode));
1312 }
1313
1314 #if defined(TARGET_PPC64)
1315 /* mulhd mulhd. */
1316 static void gen_mulhd(DisasContext *ctx)
1317 {
1318 TCGv lo = tcg_temp_new();
1319 tcg_gen_muls2_tl(lo, cpu_gpr[rD(ctx->opcode)],
1320 cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
1321 tcg_temp_free(lo);
1322 if (unlikely(Rc(ctx->opcode) != 0)) {
1323 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
1324 }
1325 }
1326
1327 /* mulhdu mulhdu. */
1328 static void gen_mulhdu(DisasContext *ctx)
1329 {
1330 TCGv lo = tcg_temp_new();
1331 tcg_gen_mulu2_tl(lo, cpu_gpr[rD(ctx->opcode)],
1332 cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
1333 tcg_temp_free(lo);
1334 if (unlikely(Rc(ctx->opcode) != 0)) {
1335 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
1336 }
1337 }
1338
1339 /* mulld mulld. */
1340 static void gen_mulld(DisasContext *ctx)
1341 {
1342 tcg_gen_mul_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
1343 cpu_gpr[rB(ctx->opcode)]);
1344 if (unlikely(Rc(ctx->opcode) != 0)) {
1345 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
1346 }
1347 }
1348
1349 /* mulldo mulldo. */
1350 static void gen_mulldo(DisasContext *ctx)
1351 {
1352 TCGv_i64 t0 = tcg_temp_new_i64();
1353 TCGv_i64 t1 = tcg_temp_new_i64();
1354
1355 tcg_gen_muls2_i64(t0, t1, cpu_gpr[rA(ctx->opcode)],
1356 cpu_gpr[rB(ctx->opcode)]);
1357 tcg_gen_mov_i64(cpu_gpr[rD(ctx->opcode)], t0);
1358
1359 tcg_gen_sari_i64(t0, t0, 63);
1360 tcg_gen_setcond_i64(TCG_COND_NE, cpu_ov, t0, t1);
1361 if (is_isa300(ctx)) {
1362 tcg_gen_mov_tl(cpu_ov32, cpu_ov);
1363 }
1364 tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov);
1365
1366 tcg_temp_free_i64(t0);
1367 tcg_temp_free_i64(t1);
1368
1369 if (unlikely(Rc(ctx->opcode) != 0)) {
1370 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
1371 }
1372 }
1373 #endif
1374
1375 /* Common subf function */
1376 static inline void gen_op_arith_subf(DisasContext *ctx, TCGv ret, TCGv arg1,
1377 TCGv arg2, bool add_ca, bool compute_ca,
1378 bool compute_ov, bool compute_rc0)
1379 {
1380 TCGv t0 = ret;
1381
1382 if (compute_ca || compute_ov) {
1383 t0 = tcg_temp_new();
1384 }
1385
1386 if (compute_ca) {
1387 /* dest = ~arg1 + arg2 [+ ca]. */
1388 if (NARROW_MODE(ctx)) {
1389 /*
1390 * Caution: a non-obvious corner case of the spec is that
1391 * we must produce the *entire* 64-bit addition, but
1392 * produce the carry into bit 32.
1393 */
1394 TCGv inv1 = tcg_temp_new();
1395 TCGv t1 = tcg_temp_new();
1396 tcg_gen_not_tl(inv1, arg1);
1397 if (add_ca) {
1398 tcg_gen_add_tl(t0, arg2, cpu_ca);
1399 } else {
1400 tcg_gen_addi_tl(t0, arg2, 1);
1401 }
1402 tcg_gen_xor_tl(t1, arg2, inv1); /* add without carry */
1403 tcg_gen_add_tl(t0, t0, inv1);
1404 tcg_temp_free(inv1);
1405 tcg_gen_xor_tl(cpu_ca, t0, t1); /* bits changes w/ carry */
1406 tcg_temp_free(t1);
1407 tcg_gen_extract_tl(cpu_ca, cpu_ca, 32, 1);
1408 if (is_isa300(ctx)) {
1409 tcg_gen_mov_tl(cpu_ca32, cpu_ca);
1410 }
1411 } else if (add_ca) {
1412 TCGv zero, inv1 = tcg_temp_new();
1413 tcg_gen_not_tl(inv1, arg1);
1414 zero = tcg_const_tl(0);
1415 tcg_gen_add2_tl(t0, cpu_ca, arg2, zero, cpu_ca, zero);
1416 tcg_gen_add2_tl(t0, cpu_ca, t0, cpu_ca, inv1, zero);
1417 gen_op_arith_compute_ca32(ctx, t0, inv1, arg2, cpu_ca32, 0);
1418 tcg_temp_free(zero);
1419 tcg_temp_free(inv1);
1420 } else {
1421 tcg_gen_setcond_tl(TCG_COND_GEU, cpu_ca, arg2, arg1);
1422 tcg_gen_sub_tl(t0, arg2, arg1);
1423 gen_op_arith_compute_ca32(ctx, t0, arg1, arg2, cpu_ca32, 1);
1424 }
1425 } else if (add_ca) {
1426 /*
1427 * Since we're ignoring carry-out, we can simplify the
1428 * standard ~arg1 + arg2 + ca to arg2 - arg1 + ca - 1.
1429 */
1430 tcg_gen_sub_tl(t0, arg2, arg1);
1431 tcg_gen_add_tl(t0, t0, cpu_ca);
1432 tcg_gen_subi_tl(t0, t0, 1);
1433 } else {
1434 tcg_gen_sub_tl(t0, arg2, arg1);
1435 }
1436
1437 if (compute_ov) {
1438 gen_op_arith_compute_ov(ctx, t0, arg1, arg2, 1);
1439 }
1440 if (unlikely(compute_rc0)) {
1441 gen_set_Rc0(ctx, t0);
1442 }
1443
1444 if (t0 != ret) {
1445 tcg_gen_mov_tl(ret, t0);
1446 tcg_temp_free(t0);
1447 }
1448 }
1449 /* Sub functions with Two operands functions */
1450 #define GEN_INT_ARITH_SUBF(name, opc3, add_ca, compute_ca, compute_ov) \
1451 static void glue(gen_, name)(DisasContext *ctx) \
1452 { \
1453 gen_op_arith_subf(ctx, cpu_gpr[rD(ctx->opcode)], \
1454 cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], \
1455 add_ca, compute_ca, compute_ov, Rc(ctx->opcode)); \
1456 }
1457 /* Sub functions with one operand and one immediate */
1458 #define GEN_INT_ARITH_SUBF_CONST(name, opc3, const_val, \
1459 add_ca, compute_ca, compute_ov) \
1460 static void glue(gen_, name)(DisasContext *ctx) \
1461 { \
1462 TCGv t0 = tcg_const_tl(const_val); \
1463 gen_op_arith_subf(ctx, cpu_gpr[rD(ctx->opcode)], \
1464 cpu_gpr[rA(ctx->opcode)], t0, \
1465 add_ca, compute_ca, compute_ov, Rc(ctx->opcode)); \
1466 tcg_temp_free(t0); \
1467 }
1468 /* subf subf. subfo subfo. */
1469 GEN_INT_ARITH_SUBF(subf, 0x01, 0, 0, 0)
1470 GEN_INT_ARITH_SUBF(subfo, 0x11, 0, 0, 1)
1471 /* subfc subfc. subfco subfco. */
1472 GEN_INT_ARITH_SUBF(subfc, 0x00, 0, 1, 0)
1473 GEN_INT_ARITH_SUBF(subfco, 0x10, 0, 1, 1)
1474 /* subfe subfe. subfeo subfo. */
1475 GEN_INT_ARITH_SUBF(subfe, 0x04, 1, 1, 0)
1476 GEN_INT_ARITH_SUBF(subfeo, 0x14, 1, 1, 1)
1477 /* subfme subfme. subfmeo subfmeo. */
1478 GEN_INT_ARITH_SUBF_CONST(subfme, 0x07, -1LL, 1, 1, 0)
1479 GEN_INT_ARITH_SUBF_CONST(subfmeo, 0x17, -1LL, 1, 1, 1)
1480 /* subfze subfze. subfzeo subfzeo.*/
1481 GEN_INT_ARITH_SUBF_CONST(subfze, 0x06, 0, 1, 1, 0)
1482 GEN_INT_ARITH_SUBF_CONST(subfzeo, 0x16, 0, 1, 1, 1)
1483
1484 /* subfic */
1485 static void gen_subfic(DisasContext *ctx)
1486 {
1487 TCGv c = tcg_const_tl(SIMM(ctx->opcode));
1488 gen_op_arith_subf(ctx, cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
1489 c, 0, 1, 0, 0);
1490 tcg_temp_free(c);
1491 }
1492
1493 /* neg neg. nego nego. */
1494 static inline void gen_op_arith_neg(DisasContext *ctx, bool compute_ov)
1495 {
1496 TCGv zero = tcg_const_tl(0);
1497 gen_op_arith_subf(ctx, cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
1498 zero, 0, 0, compute_ov, Rc(ctx->opcode));
1499 tcg_temp_free(zero);
1500 }
1501
1502 static void gen_neg(DisasContext *ctx)
1503 {
1504 tcg_gen_neg_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
1505 if (unlikely(Rc(ctx->opcode))) {
1506 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
1507 }
1508 }
1509
1510 static void gen_nego(DisasContext *ctx)
1511 {
1512 gen_op_arith_neg(ctx, 1);
1513 }
1514
1515 /*** Integer logical ***/
1516 #define GEN_LOGICAL2(name, tcg_op, opc, type) \
1517 static void glue(gen_, name)(DisasContext *ctx) \
1518 { \
1519 tcg_op(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], \
1520 cpu_gpr[rB(ctx->opcode)]); \
1521 if (unlikely(Rc(ctx->opcode) != 0)) \
1522 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); \
1523 }
1524
1525 #define GEN_LOGICAL1(name, tcg_op, opc, type) \
1526 static void glue(gen_, name)(DisasContext *ctx) \
1527 { \
1528 tcg_op(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]); \
1529 if (unlikely(Rc(ctx->opcode) != 0)) \
1530 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); \
1531 }
1532
1533 /* and & and. */
1534 GEN_LOGICAL2(and, tcg_gen_and_tl, 0x00, PPC_INTEGER);
1535 /* andc & andc. */
1536 GEN_LOGICAL2(andc, tcg_gen_andc_tl, 0x01, PPC_INTEGER);
1537
1538 /* andi. */
1539 static void gen_andi_(DisasContext *ctx)
1540 {
1541 tcg_gen_andi_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)],
1542 UIMM(ctx->opcode));
1543 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
1544 }
1545
1546 /* andis. */
1547 static void gen_andis_(DisasContext *ctx)
1548 {
1549 tcg_gen_andi_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)],
1550 UIMM(ctx->opcode) << 16);
1551 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
1552 }
1553
1554 /* cntlzw */
1555 static void gen_cntlzw(DisasContext *ctx)
1556 {
1557 TCGv_i32 t = tcg_temp_new_i32();
1558
1559 tcg_gen_trunc_tl_i32(t, cpu_gpr[rS(ctx->opcode)]);
1560 tcg_gen_clzi_i32(t, t, 32);
1561 tcg_gen_extu_i32_tl(cpu_gpr[rA(ctx->opcode)], t);
1562 tcg_temp_free_i32(t);
1563
1564 if (unlikely(Rc(ctx->opcode) != 0)) {
1565 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
1566 }
1567 }
1568
1569 /* cnttzw */
1570 static void gen_cnttzw(DisasContext *ctx)
1571 {
1572 TCGv_i32 t = tcg_temp_new_i32();
1573
1574 tcg_gen_trunc_tl_i32(t, cpu_gpr[rS(ctx->opcode)]);
1575 tcg_gen_ctzi_i32(t, t, 32);
1576 tcg_gen_extu_i32_tl(cpu_gpr[rA(ctx->opcode)], t);
1577 tcg_temp_free_i32(t);
1578
1579 if (unlikely(Rc(ctx->opcode) != 0)) {
1580 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
1581 }
1582 }
1583
1584 /* eqv & eqv. */
1585 GEN_LOGICAL2(eqv, tcg_gen_eqv_tl, 0x08, PPC_INTEGER);
1586 /* extsb & extsb. */
1587 GEN_LOGICAL1(extsb, tcg_gen_ext8s_tl, 0x1D, PPC_INTEGER);
1588 /* extsh & extsh. */
1589 GEN_LOGICAL1(extsh, tcg_gen_ext16s_tl, 0x1C, PPC_INTEGER);
1590 /* nand & nand. */
1591 GEN_LOGICAL2(nand, tcg_gen_nand_tl, 0x0E, PPC_INTEGER);
1592 /* nor & nor. */
1593 GEN_LOGICAL2(nor, tcg_gen_nor_tl, 0x03, PPC_INTEGER);
1594
1595 #if defined(TARGET_PPC64) && !defined(CONFIG_USER_ONLY)
1596 static void gen_pause(DisasContext *ctx)
1597 {
1598 TCGv_i32 t0 = tcg_const_i32(0);
1599 tcg_gen_st_i32(t0, cpu_env,
1600 -offsetof(PowerPCCPU, env) + offsetof(CPUState, halted));
1601 tcg_temp_free_i32(t0);
1602
1603 /* Stop translation, this gives other CPUs a chance to run */
1604 gen_exception_nip(ctx, EXCP_HLT, ctx->base.pc_next);
1605 }
1606 #endif /* defined(TARGET_PPC64) */
1607
1608 /* or & or. */
1609 static void gen_or(DisasContext *ctx)
1610 {
1611 int rs, ra, rb;
1612
1613 rs = rS(ctx->opcode);
1614 ra = rA(ctx->opcode);
1615 rb = rB(ctx->opcode);
1616 /* Optimisation for mr. ri case */
1617 if (rs != ra || rs != rb) {
1618 if (rs != rb) {
1619 tcg_gen_or_tl(cpu_gpr[ra], cpu_gpr[rs], cpu_gpr[rb]);
1620 } else {
1621 tcg_gen_mov_tl(cpu_gpr[ra], cpu_gpr[rs]);
1622 }
1623 if (unlikely(Rc(ctx->opcode) != 0)) {
1624 gen_set_Rc0(ctx, cpu_gpr[ra]);
1625 }
1626 } else if (unlikely(Rc(ctx->opcode) != 0)) {
1627 gen_set_Rc0(ctx, cpu_gpr[rs]);
1628 #if defined(TARGET_PPC64)
1629 } else if (rs != 0) { /* 0 is nop */
1630 int prio = 0;
1631
1632 switch (rs) {
1633 case 1:
1634 /* Set process priority to low */
1635 prio = 2;
1636 break;
1637 case 6:
1638 /* Set process priority to medium-low */
1639 prio = 3;
1640 break;
1641 case 2:
1642 /* Set process priority to normal */
1643 prio = 4;
1644 break;
1645 #if !defined(CONFIG_USER_ONLY)
1646 case 31:
1647 if (!ctx->pr) {
1648 /* Set process priority to very low */
1649 prio = 1;
1650 }
1651 break;
1652 case 5:
1653 if (!ctx->pr) {
1654 /* Set process priority to medium-hight */
1655 prio = 5;
1656 }
1657 break;
1658 case 3:
1659 if (!ctx->pr) {
1660 /* Set process priority to high */
1661 prio = 6;
1662 }
1663 break;
1664 case 7:
1665 if (ctx->hv && !ctx->pr) {
1666 /* Set process priority to very high */
1667 prio = 7;
1668 }
1669 break;
1670 #endif
1671 default:
1672 break;
1673 }
1674 if (prio) {
1675 TCGv t0 = tcg_temp_new();
1676 gen_load_spr(t0, SPR_PPR);
1677 tcg_gen_andi_tl(t0, t0, ~0x001C000000000000ULL);
1678 tcg_gen_ori_tl(t0, t0, ((uint64_t)prio) << 50);
1679 gen_store_spr(SPR_PPR, t0);
1680 tcg_temp_free(t0);
1681 }
1682 #if !defined(CONFIG_USER_ONLY)
1683 /*
1684 * Pause out of TCG otherwise spin loops with smt_low eat too
1685 * much CPU and the kernel hangs. This applies to all
1686 * encodings other than no-op, e.g., miso(rs=26), yield(27),
1687 * mdoio(29), mdoom(30), and all currently undefined.
1688 */
1689 gen_pause(ctx);
1690 #endif
1691 #endif
1692 }
1693 }
1694 /* orc & orc. */
1695 GEN_LOGICAL2(orc, tcg_gen_orc_tl, 0x0C, PPC_INTEGER);
1696
1697 /* xor & xor. */
1698 static void gen_xor(DisasContext *ctx)
1699 {
1700 /* Optimisation for "set to zero" case */
1701 if (rS(ctx->opcode) != rB(ctx->opcode)) {
1702 tcg_gen_xor_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)],
1703 cpu_gpr[rB(ctx->opcode)]);
1704 } else {
1705 tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0);
1706 }
1707 if (unlikely(Rc(ctx->opcode) != 0)) {
1708 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
1709 }
1710 }
1711
1712 /* ori */
1713 static void gen_ori(DisasContext *ctx)
1714 {
1715 target_ulong uimm = UIMM(ctx->opcode);
1716
1717 if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) {
1718 return;
1719 }
1720 tcg_gen_ori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], uimm);
1721 }
1722
1723 /* oris */
1724 static void gen_oris(DisasContext *ctx)
1725 {
1726 target_ulong uimm = UIMM(ctx->opcode);
1727
1728 if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) {
1729 /* NOP */
1730 return;
1731 }
1732 tcg_gen_ori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)],
1733 uimm << 16);
1734 }
1735
1736 /* xori */
1737 static void gen_xori(DisasContext *ctx)
1738 {
1739 target_ulong uimm = UIMM(ctx->opcode);
1740
1741 if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) {
1742 /* NOP */
1743 return;
1744 }
1745 tcg_gen_xori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], uimm);
1746 }
1747
1748 /* xoris */
1749 static void gen_xoris(DisasContext *ctx)
1750 {
1751 target_ulong uimm = UIMM(ctx->opcode);
1752
1753 if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) {
1754 /* NOP */
1755 return;
1756 }
1757 tcg_gen_xori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)],
1758 uimm << 16);
1759 }
1760
1761 /* popcntb : PowerPC 2.03 specification */
1762 static void gen_popcntb(DisasContext *ctx)
1763 {
1764 gen_helper_popcntb(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);
1765 }
1766
1767 static void gen_popcntw(DisasContext *ctx)
1768 {
1769 #if defined(TARGET_PPC64)
1770 gen_helper_popcntw(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);
1771 #else
1772 tcg_gen_ctpop_i32(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);
1773 #endif
1774 }
1775
1776 #if defined(TARGET_PPC64)
1777 /* popcntd: PowerPC 2.06 specification */
1778 static void gen_popcntd(DisasContext *ctx)
1779 {
1780 tcg_gen_ctpop_i64(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);
1781 }
1782 #endif
1783
1784 /* prtyw: PowerPC 2.05 specification */
1785 static void gen_prtyw(DisasContext *ctx)
1786 {
1787 TCGv ra = cpu_gpr[rA(ctx->opcode)];
1788 TCGv rs = cpu_gpr[rS(ctx->opcode)];
1789 TCGv t0 = tcg_temp_new();
1790 tcg_gen_shri_tl(t0, rs, 16);
1791 tcg_gen_xor_tl(ra, rs, t0);
1792 tcg_gen_shri_tl(t0, ra, 8);
1793 tcg_gen_xor_tl(ra, ra, t0);
1794 tcg_gen_andi_tl(ra, ra, (target_ulong)0x100000001ULL);
1795 tcg_temp_free(t0);
1796 }
1797
1798 #if defined(TARGET_PPC64)
1799 /* prtyd: PowerPC 2.05 specification */
1800 static void gen_prtyd(DisasContext *ctx)
1801 {
1802 TCGv ra = cpu_gpr[rA(ctx->opcode)];
1803 TCGv rs = cpu_gpr[rS(ctx->opcode)];
1804 TCGv t0 = tcg_temp_new();
1805 tcg_gen_shri_tl(t0, rs, 32);
1806 tcg_gen_xor_tl(ra, rs, t0);
1807 tcg_gen_shri_tl(t0, ra, 16);
1808 tcg_gen_xor_tl(ra, ra, t0);
1809 tcg_gen_shri_tl(t0, ra, 8);
1810 tcg_gen_xor_tl(ra, ra, t0);
1811 tcg_gen_andi_tl(ra, ra, 1);
1812 tcg_temp_free(t0);
1813 }
1814 #endif
1815
1816 #if defined(TARGET_PPC64)
1817 /* bpermd */
1818 static void gen_bpermd(DisasContext *ctx)
1819 {
1820 gen_helper_bpermd(cpu_gpr[rA(ctx->opcode)],
1821 cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
1822 }
1823 #endif
1824
1825 #if defined(TARGET_PPC64)
1826 /* extsw & extsw. */
1827 GEN_LOGICAL1(extsw, tcg_gen_ext32s_tl, 0x1E, PPC_64B);
1828
1829 /* cntlzd */
1830 static void gen_cntlzd(DisasContext *ctx)
1831 {
1832 tcg_gen_clzi_i64(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], 64);
1833 if (unlikely(Rc(ctx->opcode) != 0)) {
1834 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
1835 }
1836 }
1837
1838 /* cnttzd */
1839 static void gen_cnttzd(DisasContext *ctx)
1840 {
1841 tcg_gen_ctzi_i64(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], 64);
1842 if (unlikely(Rc(ctx->opcode) != 0)) {
1843 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
1844 }
1845 }
1846
1847 /* darn */
1848 static void gen_darn(DisasContext *ctx)
1849 {
1850 int l = L(ctx->opcode);
1851
1852 if (l > 2) {
1853 tcg_gen_movi_i64(cpu_gpr[rD(ctx->opcode)], -1);
1854 } else {
1855 if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) {
1856 gen_io_start();
1857 }
1858 if (l == 0) {
1859 gen_helper_darn32(cpu_gpr[rD(ctx->opcode)]);
1860 } else {
1861 /* Return 64-bit random for both CRN and RRN */
1862 gen_helper_darn64(cpu_gpr[rD(ctx->opcode)]);
1863 }
1864 if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) {
1865 gen_stop_exception(ctx);
1866 }
1867 }
1868 }
1869 #endif
1870
1871 /*** Integer rotate ***/
1872
1873 /* rlwimi & rlwimi. */
1874 static void gen_rlwimi(DisasContext *ctx)
1875 {
1876 TCGv t_ra = cpu_gpr[rA(ctx->opcode)];
1877 TCGv t_rs = cpu_gpr[rS(ctx->opcode)];
1878 uint32_t sh = SH(ctx->opcode);
1879 uint32_t mb = MB(ctx->opcode);
1880 uint32_t me = ME(ctx->opcode);
1881
1882 if (sh == (31 - me) && mb <= me) {
1883 tcg_gen_deposit_tl(t_ra, t_ra, t_rs, sh, me - mb + 1);
1884 } else {
1885 target_ulong mask;
1886 bool mask_in_32b = true;
1887 TCGv t1;
1888
1889 #if defined(TARGET_PPC64)
1890 mb += 32;
1891 me += 32;
1892 #endif
1893 mask = MASK(mb, me);
1894
1895 #if defined(TARGET_PPC64)
1896 if (mask > 0xffffffffu) {
1897 mask_in_32b = false;
1898 }
1899 #endif
1900 t1 = tcg_temp_new();
1901 if (mask_in_32b) {
1902 TCGv_i32 t0 = tcg_temp_new_i32();
1903 tcg_gen_trunc_tl_i32(t0, t_rs);
1904 tcg_gen_rotli_i32(t0, t0, sh);
1905 tcg_gen_extu_i32_tl(t1, t0);
1906 tcg_temp_free_i32(t0);
1907 } else {
1908 #if defined(TARGET_PPC64)
1909 tcg_gen_deposit_i64(t1, t_rs, t_rs, 32, 32);
1910 tcg_gen_rotli_i64(t1, t1, sh);
1911 #else
1912 g_assert_not_reached();
1913 #endif
1914 }
1915
1916 tcg_gen_andi_tl(t1, t1, mask);
1917 tcg_gen_andi_tl(t_ra, t_ra, ~mask);
1918 tcg_gen_or_tl(t_ra, t_ra, t1);
1919 tcg_temp_free(t1);
1920 }
1921 if (unlikely(Rc(ctx->opcode) != 0)) {
1922 gen_set_Rc0(ctx, t_ra);
1923 }
1924 }
1925
1926 /* rlwinm & rlwinm. */
1927 static void gen_rlwinm(DisasContext *ctx)
1928 {
1929 TCGv t_ra = cpu_gpr[rA(ctx->opcode)];
1930 TCGv t_rs = cpu_gpr[rS(ctx->opcode)];
1931 int sh = SH(ctx->opcode);
1932 int mb = MB(ctx->opcode);
1933 int me = ME(ctx->opcode);
1934 int len = me - mb + 1;
1935 int rsh = (32 - sh) & 31;
1936
1937 if (sh != 0 && len > 0 && me == (31 - sh)) {
1938 tcg_gen_deposit_z_tl(t_ra, t_rs, sh, len);
1939 } else if (me == 31 && rsh + len <= 32) {
1940 tcg_gen_extract_tl(t_ra, t_rs, rsh, len);
1941 } else {
1942 target_ulong mask;
1943 bool mask_in_32b = true;
1944 #if defined(TARGET_PPC64)
1945 mb += 32;
1946 me += 32;
1947 #endif
1948 mask = MASK(mb, me);
1949 #if defined(TARGET_PPC64)
1950 if (mask > 0xffffffffu) {
1951 mask_in_32b = false;
1952 }
1953 #endif
1954 if (mask_in_32b) {
1955 if (sh == 0) {
1956 tcg_gen_andi_tl(t_ra, t_rs, mask);
1957 } else {
1958 TCGv_i32 t0 = tcg_temp_new_i32();
1959 tcg_gen_trunc_tl_i32(t0, t_rs);
1960 tcg_gen_rotli_i32(t0, t0, sh);
1961 tcg_gen_andi_i32(t0, t0, mask);
1962 tcg_gen_extu_i32_tl(t_ra, t0);
1963 tcg_temp_free_i32(t0);
1964 }
1965 } else {
1966 #if defined(TARGET_PPC64)
1967 tcg_gen_deposit_i64(t_ra, t_rs, t_rs, 32, 32);
1968 tcg_gen_rotli_i64(t_ra, t_ra, sh);
1969 tcg_gen_andi_i64(t_ra, t_ra, mask);
1970 #else
1971 g_assert_not_reached();
1972 #endif
1973 }
1974 }
1975 if (unlikely(Rc(ctx->opcode) != 0)) {
1976 gen_set_Rc0(ctx, t_ra);
1977 }
1978 }
1979
1980 /* rlwnm & rlwnm. */
1981 static void gen_rlwnm(DisasContext *ctx)
1982 {
1983 TCGv t_ra = cpu_gpr[rA(ctx->opcode)];
1984 TCGv t_rs = cpu_gpr[rS(ctx->opcode)];
1985 TCGv t_rb = cpu_gpr[rB(ctx->opcode)];
1986 uint32_t mb = MB(ctx->opcode);
1987 uint32_t me = ME(ctx->opcode);
1988 target_ulong mask;
1989 bool mask_in_32b = true;
1990
1991 #if defined(TARGET_PPC64)
1992 mb += 32;
1993 me += 32;
1994 #endif
1995 mask = MASK(mb, me);
1996
1997 #if defined(TARGET_PPC64)
1998 if (mask > 0xffffffffu) {
1999 mask_in_32b = false;
2000 }
2001 #endif
2002 if (mask_in_32b) {
2003 TCGv_i32 t0 = tcg_temp_new_i32();
2004 TCGv_i32 t1 = tcg_temp_new_i32();
2005 tcg_gen_trunc_tl_i32(t0, t_rb);
2006 tcg_gen_trunc_tl_i32(t1, t_rs);
2007 tcg_gen_andi_i32(t0, t0, 0x1f);
2008 tcg_gen_rotl_i32(t1, t1, t0);
2009 tcg_gen_extu_i32_tl(t_ra, t1);
2010 tcg_temp_free_i32(t0);
2011 tcg_temp_free_i32(t1);
2012 } else {
2013 #if defined(TARGET_PPC64)
2014 TCGv_i64 t0 = tcg_temp_new_i64();
2015 tcg_gen_andi_i64(t0, t_rb, 0x1f);
2016 tcg_gen_deposit_i64(t_ra, t_rs, t_rs, 32, 32);
2017 tcg_gen_rotl_i64(t_ra, t_ra, t0);
2018 tcg_temp_free_i64(t0);
2019 #else
2020 g_assert_not_reached();
2021 #endif
2022 }
2023
2024 tcg_gen_andi_tl(t_ra, t_ra, mask);
2025
2026 if (unlikely(Rc(ctx->opcode) != 0)) {
2027 gen_set_Rc0(ctx, t_ra);
2028 }
2029 }
2030
2031 #if defined(TARGET_PPC64)
2032 #define GEN_PPC64_R2(name, opc1, opc2) \
2033 static void glue(gen_, name##0)(DisasContext *ctx) \
2034 { \
2035 gen_##name(ctx, 0); \
2036 } \
2037 \
2038 static void glue(gen_, name##1)(DisasContext *ctx) \
2039 { \
2040 gen_##name(ctx, 1); \
2041 }
2042 #define GEN_PPC64_R4(name, opc1, opc2) \
2043 static void glue(gen_, name##0)(DisasContext *ctx) \
2044 { \
2045 gen_##name(ctx, 0, 0); \
2046 } \
2047 \
2048 static void glue(gen_, name##1)(DisasContext *ctx) \
2049 { \
2050 gen_##name(ctx, 0, 1); \
2051 } \
2052 \
2053 static void glue(gen_, name##2)(DisasContext *ctx) \
2054 { \
2055 gen_##name(ctx, 1, 0); \
2056 } \
2057 \
2058 static void glue(gen_, name##3)(DisasContext *ctx) \
2059 { \
2060 gen_##name(ctx, 1, 1); \
2061 }
2062
2063 static void gen_rldinm(DisasContext *ctx, int mb, int me, int sh)
2064 {
2065 TCGv t_ra = cpu_gpr[rA(ctx->opcode)];
2066 TCGv t_rs = cpu_gpr[rS(ctx->opcode)];
2067 int len = me - mb + 1;
2068 int rsh = (64 - sh) & 63;
2069
2070 if (sh != 0 && len > 0 && me == (63 - sh)) {
2071 tcg_gen_deposit_z_tl(t_ra, t_rs, sh, len);
2072 } else if (me == 63 && rsh + len <= 64) {
2073 tcg_gen_extract_tl(t_ra, t_rs, rsh, len);
2074 } else {
2075 tcg_gen_rotli_tl(t_ra, t_rs, sh);
2076 tcg_gen_andi_tl(t_ra, t_ra, MASK(mb, me));
2077 }
2078 if (unlikely(Rc(ctx->opcode) != 0)) {
2079 gen_set_Rc0(ctx, t_ra);
2080 }
2081 }
2082
2083 /* rldicl - rldicl. */
2084 static inline void gen_rldicl(DisasContext *ctx, int mbn, int shn)
2085 {
2086 uint32_t sh, mb;
2087
2088 sh = SH(ctx->opcode) | (shn << 5);
2089 mb = MB(ctx->opcode) | (mbn << 5);
2090 gen_rldinm(ctx, mb, 63, sh);
2091 }
2092 GEN_PPC64_R4(rldicl, 0x1E, 0x00);
2093
2094 /* rldicr - rldicr. */
2095 static inline void gen_rldicr(DisasContext *ctx, int men, int shn)
2096 {
2097 uint32_t sh, me;
2098
2099 sh = SH(ctx->opcode) | (shn << 5);
2100 me = MB(ctx->opcode) | (men << 5);
2101 gen_rldinm(ctx, 0, me, sh);
2102 }
2103 GEN_PPC64_R4(rldicr, 0x1E, 0x02);
2104
2105 /* rldic - rldic. */
2106 static inline void gen_rldic(DisasContext *ctx, int mbn, int shn)
2107 {
2108 uint32_t sh, mb;
2109
2110 sh = SH(ctx->opcode) | (shn << 5);
2111 mb = MB(ctx->opcode) | (mbn << 5);
2112 gen_rldinm(ctx, mb, 63 - sh, sh);
2113 }
2114 GEN_PPC64_R4(rldic, 0x1E, 0x04);
2115
2116 static void gen_rldnm(DisasContext *ctx, int mb, int me)
2117 {
2118 TCGv t_ra = cpu_gpr[rA(ctx->opcode)];
2119 TCGv t_rs = cpu_gpr[rS(ctx->opcode)];
2120 TCGv t_rb = cpu_gpr[rB(ctx->opcode)];
2121 TCGv t0;
2122
2123 t0 = tcg_temp_new();
2124 tcg_gen_andi_tl(t0, t_rb, 0x3f);
2125 tcg_gen_rotl_tl(t_ra, t_rs, t0);
2126 tcg_temp_free(t0);
2127
2128 tcg_gen_andi_tl(t_ra, t_ra, MASK(mb, me));
2129 if (unlikely(Rc(ctx->opcode) != 0)) {
2130 gen_set_Rc0(ctx, t_ra);
2131 }
2132 }
2133
2134 /* rldcl - rldcl. */
2135 static inline void gen_rldcl(DisasContext *ctx, int mbn)
2136 {
2137 uint32_t mb;
2138
2139 mb = MB(ctx->opcode) | (mbn << 5);
2140 gen_rldnm(ctx, mb, 63);
2141 }
2142 GEN_PPC64_R2(rldcl, 0x1E, 0x08);
2143
2144 /* rldcr - rldcr. */
2145 static inline void gen_rldcr(DisasContext *ctx, int men)
2146 {
2147 uint32_t me;
2148
2149 me = MB(ctx->opcode) | (men << 5);
2150 gen_rldnm(ctx, 0, me);
2151 }
2152 GEN_PPC64_R2(rldcr, 0x1E, 0x09);
2153
2154 /* rldimi - rldimi. */
2155 static void gen_rldimi(DisasContext *ctx, int mbn, int shn)
2156 {
2157 TCGv t_ra = cpu_gpr[rA(ctx->opcode)];
2158 TCGv t_rs = cpu_gpr[rS(ctx->opcode)];
2159 uint32_t sh = SH(ctx->opcode) | (shn << 5);
2160 uint32_t mb = MB(ctx->opcode) | (mbn << 5);
2161 uint32_t me = 63 - sh;
2162
2163 if (mb <= me) {
2164 tcg_gen_deposit_tl(t_ra, t_ra, t_rs, sh, me - mb + 1);
2165 } else {
2166 target_ulong mask = MASK(mb, me);
2167 TCGv t1 = tcg_temp_new();
2168
2169 tcg_gen_rotli_tl(t1, t_rs, sh);
2170 tcg_gen_andi_tl(t1, t1, mask);
2171 tcg_gen_andi_tl(t_ra, t_ra, ~mask);
2172 tcg_gen_or_tl(t_ra, t_ra, t1);
2173 tcg_temp_free(t1);
2174 }
2175 if (unlikely(Rc(ctx->opcode) != 0)) {
2176 gen_set_Rc0(ctx, t_ra);
2177 }
2178 }
2179 GEN_PPC64_R4(rldimi, 0x1E, 0x06);
2180 #endif
2181
2182 /*** Integer shift ***/
2183
2184 /* slw & slw. */
2185 static void gen_slw(DisasContext *ctx)
2186 {
2187 TCGv t0, t1;
2188
2189 t0 = tcg_temp_new();
2190 /* AND rS with a mask that is 0 when rB >= 0x20 */
2191 #if defined(TARGET_PPC64)
2192 tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x3a);
2193 tcg_gen_sari_tl(t0, t0, 0x3f);
2194 #else
2195 tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1a);
2196 tcg_gen_sari_tl(t0, t0, 0x1f);
2197 #endif
2198 tcg_gen_andc_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
2199 t1 = tcg_temp_new();
2200 tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1f);
2201 tcg_gen_shl_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
2202 tcg_temp_free(t1);
2203 tcg_temp_free(t0);
2204 tcg_gen_ext32u_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
2205 if (unlikely(Rc(ctx->opcode) != 0)) {
2206 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
2207 }
2208 }
2209
2210 /* sraw & sraw. */
2211 static void gen_sraw(DisasContext *ctx)
2212 {
2213 gen_helper_sraw(cpu_gpr[rA(ctx->opcode)], cpu_env,
2214 cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
2215 if (unlikely(Rc(ctx->opcode) != 0)) {
2216 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
2217 }
2218 }
2219
2220 /* srawi & srawi. */
2221 static void gen_srawi(DisasContext *ctx)
2222 {
2223 int sh = SH(ctx->opcode);
2224 TCGv dst = cpu_gpr[rA(ctx->opcode)];
2225 TCGv src = cpu_gpr[rS(ctx->opcode)];
2226 if (sh == 0) {
2227 tcg_gen_ext32s_tl(dst, src);
2228 tcg_gen_movi_tl(cpu_ca, 0);
2229 if (is_isa300(ctx)) {
2230 tcg_gen_movi_tl(cpu_ca32, 0);
2231 }
2232 } else {
2233 TCGv t0;
2234 tcg_gen_ext32s_tl(dst, src);
2235 tcg_gen_andi_tl(cpu_ca, dst, (1ULL << sh) - 1);
2236 t0 = tcg_temp_new();
2237 tcg_gen_sari_tl(t0, dst, TARGET_LONG_BITS - 1);
2238 tcg_gen_and_tl(cpu_ca, cpu_ca, t0);
2239 tcg_temp_free(t0);
2240 tcg_gen_setcondi_tl(TCG_COND_NE, cpu_ca, cpu_ca, 0);
2241 if (is_isa300(ctx)) {
2242 tcg_gen_mov_tl(cpu_ca32, cpu_ca);
2243 }
2244 tcg_gen_sari_tl(dst, dst, sh);
2245 }
2246 if (unlikely(Rc(ctx->opcode) != 0)) {
2247 gen_set_Rc0(ctx, dst);
2248 }
2249 }
2250
2251 /* srw & srw. */
2252 static void gen_srw(DisasContext *ctx)
2253 {
2254 TCGv t0, t1;
2255
2256 t0 = tcg_temp_new();
2257 /* AND rS with a mask that is 0 when rB >= 0x20 */
2258 #if defined(TARGET_PPC64)
2259 tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x3a);
2260 tcg_gen_sari_tl(t0, t0, 0x3f);
2261 #else
2262 tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1a);
2263 tcg_gen_sari_tl(t0, t0, 0x1f);
2264 #endif
2265 tcg_gen_andc_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
2266 tcg_gen_ext32u_tl(t0, t0);
2267 t1 = tcg_temp_new();
2268 tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1f);
2269 tcg_gen_shr_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
2270 tcg_temp_free(t1);
2271 tcg_temp_free(t0);
2272 if (unlikely(Rc(ctx->opcode) != 0)) {
2273 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
2274 }
2275 }
2276
2277 #if defined(TARGET_PPC64)
2278 /* sld & sld. */
2279 static void gen_sld(DisasContext *ctx)
2280 {
2281 TCGv t0, t1;
2282
2283 t0 = tcg_temp_new();
2284 /* AND rS with a mask that is 0 when rB >= 0x40 */
2285 tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x39);
2286 tcg_gen_sari_tl(t0, t0, 0x3f);
2287 tcg_gen_andc_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
2288 t1 = tcg_temp_new();
2289 tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x3f);
2290 tcg_gen_shl_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
2291 tcg_temp_free(t1);
2292 tcg_temp_free(t0);
2293 if (unlikely(Rc(ctx->opcode) != 0)) {
2294 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
2295 }
2296 }
2297
2298 /* srad & srad. */
2299 static void gen_srad(DisasContext *ctx)
2300 {
2301 gen_helper_srad(cpu_gpr[rA(ctx->opcode)], cpu_env,
2302 cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
2303 if (unlikely(Rc(ctx->opcode) != 0)) {
2304 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
2305 }
2306 }
2307 /* sradi & sradi. */
2308 static inline void gen_sradi(DisasContext *ctx, int n)
2309 {
2310 int sh = SH(ctx->opcode) + (n << 5);
2311 TCGv dst = cpu_gpr[rA(ctx->opcode)];
2312 TCGv src = cpu_gpr[rS(ctx->opcode)];
2313 if (sh == 0) {
2314 tcg_gen_mov_tl(dst, src);
2315 tcg_gen_movi_tl(cpu_ca, 0);
2316 if (is_isa300(ctx)) {
2317 tcg_gen_movi_tl(cpu_ca32, 0);
2318 }
2319 } else {
2320 TCGv t0;
2321 tcg_gen_andi_tl(cpu_ca, src, (1ULL << sh) - 1);
2322 t0 = tcg_temp_new();
2323 tcg_gen_sari_tl(t0, src, TARGET_LONG_BITS - 1);
2324 tcg_gen_and_tl(cpu_ca, cpu_ca, t0);
2325 tcg_temp_free(t0);
2326 tcg_gen_setcondi_tl(TCG_COND_NE, cpu_ca, cpu_ca, 0);
2327 if (is_isa300(ctx)) {
2328 tcg_gen_mov_tl(cpu_ca32, cpu_ca);
2329 }
2330 tcg_gen_sari_tl(dst, src, sh);
2331 }
2332 if (unlikely(Rc(ctx->opcode) != 0)) {
2333 gen_set_Rc0(ctx, dst);
2334 }
2335 }
2336
2337 static void gen_sradi0(DisasContext *ctx)
2338 {
2339 gen_sradi(ctx, 0);
2340 }
2341
2342 static void gen_sradi1(DisasContext *ctx)
2343 {
2344 gen_sradi(ctx, 1);
2345 }
2346
2347 /* extswsli & extswsli. */
2348 static inline void gen_extswsli(DisasContext *ctx, int n)
2349 {
2350 int sh = SH(ctx->opcode) + (n << 5);
2351 TCGv dst = cpu_gpr[rA(ctx->opcode)];
2352 TCGv src = cpu_gpr[rS(ctx->opcode)];
2353
2354 tcg_gen_ext32s_tl(dst, src);
2355 tcg_gen_shli_tl(dst, dst, sh);
2356 if (unlikely(Rc(ctx->opcode) != 0)) {
2357 gen_set_Rc0(ctx, dst);
2358 }
2359 }
2360
2361 static void gen_extswsli0(DisasContext *ctx)
2362 {
2363 gen_extswsli(ctx, 0);
2364 }
2365
2366 static void gen_extswsli1(DisasContext *ctx)
2367 {
2368 gen_extswsli(ctx, 1);
2369 }
2370
2371 /* srd & srd. */
2372 static void gen_srd(DisasContext *ctx)
2373 {
2374 TCGv t0, t1;
2375
2376 t0 = tcg_temp_new();
2377 /* AND rS with a mask that is 0 when rB >= 0x40 */
2378 tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x39);
2379 tcg_gen_sari_tl(t0, t0, 0x3f);
2380 tcg_gen_andc_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
2381 t1 = tcg_temp_new();
2382 tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x3f);
2383 tcg_gen_shr_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
2384 tcg_temp_free(t1);
2385 tcg_temp_free(t0);
2386 if (unlikely(Rc(ctx->opcode) != 0)) {
2387 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
2388 }
2389 }
2390 #endif
2391
2392 /*** Addressing modes ***/
2393 /* Register indirect with immediate index : EA = (rA|0) + SIMM */
2394 static inline void gen_addr_imm_index(DisasContext *ctx, TCGv EA,
2395 target_long maskl)
2396 {
2397 target_long simm = SIMM(ctx->opcode);
2398
2399 simm &= ~maskl;
2400 if (rA(ctx->opcode) == 0) {
2401 if (NARROW_MODE(ctx)) {
2402 simm = (uint32_t)simm;
2403 }
2404 tcg_gen_movi_tl(EA, simm);
2405 } else if (likely(simm != 0)) {
2406 tcg_gen_addi_tl(EA, cpu_gpr[rA(ctx->opcode)], simm);
2407 if (NARROW_MODE(ctx)) {
2408 tcg_gen_ext32u_tl(EA, EA);
2409 }
2410 } else {
2411 if (NARROW_MODE(ctx)) {
2412 tcg_gen_ext32u_tl(EA, cpu_gpr[rA(ctx->opcode)]);
2413 } else {
2414 tcg_gen_mov_tl(EA, cpu_gpr[rA(ctx->opcode)]);
2415 }
2416 }
2417 }
2418
2419 static inline void gen_addr_reg_index(DisasContext *ctx, TCGv EA)
2420 {
2421 if (rA(ctx->opcode) == 0) {
2422 if (NARROW_MODE(ctx)) {
2423 tcg_gen_ext32u_tl(EA, cpu_gpr[rB(ctx->opcode)]);
2424 } else {
2425 tcg_gen_mov_tl(EA, cpu_gpr[rB(ctx->opcode)]);
2426 }
2427 } else {
2428 tcg_gen_add_tl(EA, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
2429 if (NARROW_MODE(ctx)) {
2430 tcg_gen_ext32u_tl(EA, EA);
2431 }
2432 }
2433 }
2434
2435 static inline void gen_addr_register(DisasContext *ctx, TCGv EA)
2436 {
2437 if (rA(ctx->opcode) == 0) {
2438 tcg_gen_movi_tl(EA, 0);
2439 } else if (NARROW_MODE(ctx)) {
2440 tcg_gen_ext32u_tl(EA, cpu_gpr[rA(ctx->opcode)]);
2441 } else {
2442 tcg_gen_mov_tl(EA, cpu_gpr[rA(ctx->opcode)]);
2443 }
2444 }
2445
2446 static inline void gen_addr_add(DisasContext *ctx, TCGv ret, TCGv arg1,
2447 target_long val)
2448 {
2449 tcg_gen_addi_tl(ret, arg1, val);
2450 if (NARROW_MODE(ctx)) {
2451 tcg_gen_ext32u_tl(ret, ret);
2452 }
2453 }
2454
2455 static inline void gen_align_no_le(DisasContext *ctx)
2456 {
2457 gen_exception_err(ctx, POWERPC_EXCP_ALIGN,
2458 (ctx->opcode & 0x03FF0000) | POWERPC_EXCP_ALIGN_LE);
2459 }
2460
2461 /*** Integer load ***/
2462 #define DEF_MEMOP(op) ((op) | ctx->default_tcg_memop_mask)
2463 #define BSWAP_MEMOP(op) ((op) | (ctx->default_tcg_memop_mask ^ MO_BSWAP))
2464
2465 #define GEN_QEMU_LOAD_TL(ldop, op) \
2466 static void glue(gen_qemu_, ldop)(DisasContext *ctx, \
2467 TCGv val, \
2468 TCGv addr) \
2469 { \
2470 tcg_gen_qemu_ld_tl(val, addr, ctx->mem_idx, op); \
2471 }
2472
2473 GEN_QEMU_LOAD_TL(ld8u, DEF_MEMOP(MO_UB))
2474 GEN_QEMU_LOAD_TL(ld16u, DEF_MEMOP(MO_UW))
2475 GEN_QEMU_LOAD_TL(ld16s, DEF_MEMOP(MO_SW))
2476 GEN_QEMU_LOAD_TL(ld32u, DEF_MEMOP(MO_UL))
2477 GEN_QEMU_LOAD_TL(ld32s, DEF_MEMOP(MO_SL))
2478
2479 GEN_QEMU_LOAD_TL(ld16ur, BSWAP_MEMOP(MO_UW))
2480 GEN_QEMU_LOAD_TL(ld32ur, BSWAP_MEMOP(MO_UL))
2481
2482 #define GEN_QEMU_LOAD_64(ldop, op) \
2483 static void glue(gen_qemu_, glue(ldop, _i64))(DisasContext *ctx, \
2484 TCGv_i64 val, \
2485 TCGv addr) \
2486 { \
2487 tcg_gen_qemu_ld_i64(val, addr, ctx->mem_idx, op); \
2488 }
2489
2490 GEN_QEMU_LOAD_64(ld8u, DEF_MEMOP(MO_UB))
2491 GEN_QEMU_LOAD_64(ld16u, DEF_MEMOP(MO_UW))
2492 GEN_QEMU_LOAD_64(ld32u, DEF_MEMOP(MO_UL))
2493 GEN_QEMU_LOAD_64(ld32s, DEF_MEMOP(MO_SL))
2494 GEN_QEMU_LOAD_64(ld64, DEF_MEMOP(MO_Q))
2495
2496 #if defined(TARGET_PPC64)
2497 GEN_QEMU_LOAD_64(ld64ur, BSWAP_MEMOP(MO_Q))
2498 #endif
2499
2500 #define GEN_QEMU_STORE_TL(stop, op) \
2501 static void glue(gen_qemu_, stop)(DisasContext *ctx, \
2502 TCGv val, \
2503 TCGv addr) \
2504 { \
2505 tcg_gen_qemu_st_tl(val, addr, ctx->mem_idx, op); \
2506 }
2507
2508 GEN_QEMU_STORE_TL(st8, DEF_MEMOP(MO_UB))
2509 GEN_QEMU_STORE_TL(st16, DEF_MEMOP(MO_UW))
2510 GEN_QEMU_STORE_TL(st32, DEF_MEMOP(MO_UL))
2511
2512 GEN_QEMU_STORE_TL(st16r, BSWAP_MEMOP(MO_UW))
2513 GEN_QEMU_STORE_TL(st32r, BSWAP_MEMOP(MO_UL))
2514
2515 #define GEN_QEMU_STORE_64(stop, op) \
2516 static void glue(gen_qemu_, glue(stop, _i64))(DisasContext *ctx, \
2517 TCGv_i64 val, \
2518 TCGv addr) \
2519 { \
2520 tcg_gen_qemu_st_i64(val, addr, ctx->mem_idx, op); \
2521 }
2522
2523 GEN_QEMU_STORE_64(st8, DEF_MEMOP(MO_UB))
2524 GEN_QEMU_STORE_64(st16, DEF_MEMOP(MO_UW))
2525 GEN_QEMU_STORE_64(st32, DEF_MEMOP(MO_UL))
2526 GEN_QEMU_STORE_64(st64, DEF_MEMOP(MO_Q))
2527
2528 #if defined(TARGET_PPC64)
2529 GEN_QEMU_STORE_64(st64r, BSWAP_MEMOP(MO_Q))
2530 #endif
2531
2532 #define GEN_LD(name, ldop, opc, type) \
2533 static void glue(gen_, name)(DisasContext *ctx) \
2534 { \
2535 TCGv EA; \
2536 gen_set_access_type(ctx, ACCESS_INT); \
2537 EA = tcg_temp_new(); \
2538 gen_addr_imm_index(ctx, EA, 0); \
2539 gen_qemu_##ldop(ctx, cpu_gpr[rD(ctx->opcode)], EA); \
2540 tcg_temp_free(EA); \
2541 }
2542
2543 #define GEN_LDU(name, ldop, opc, type) \
2544 static void glue(gen_, name##u)(DisasContext *ctx) \
2545 { \
2546 TCGv EA; \
2547 if (unlikely(rA(ctx->opcode) == 0 || \
2548 rA(ctx->opcode) == rD(ctx->opcode))) { \
2549 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); \
2550 return; \
2551 } \
2552 gen_set_access_type(ctx, ACCESS_INT); \
2553 EA = tcg_temp_new(); \
2554 if (type == PPC_64B) \
2555 gen_addr_imm_index(ctx, EA, 0x03); \
2556 else \
2557 gen_addr_imm_index(ctx, EA, 0); \
2558 gen_qemu_##ldop(ctx, cpu_gpr[rD(ctx->opcode)], EA); \
2559 tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA); \
2560 tcg_temp_free(EA); \
2561 }
2562
2563 #define GEN_LDUX(name, ldop, opc2, opc3, type) \
2564 static void glue(gen_, name##ux)(DisasContext *ctx) \
2565 { \
2566 TCGv EA; \
2567 if (unlikely(rA(ctx->opcode) == 0 || \
2568 rA(ctx->opcode) == rD(ctx->opcode))) { \
2569 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); \
2570 return; \
2571 } \
2572 gen_set_access_type(ctx, ACCESS_INT); \
2573 EA = tcg_temp_new(); \
2574 gen_addr_reg_index(ctx, EA); \
2575 gen_qemu_##ldop(ctx, cpu_gpr[rD(ctx->opcode)], EA); \
2576 tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA); \
2577 tcg_temp_free(EA); \
2578 }
2579
2580 #define GEN_LDX_E(name, ldop, opc2, opc3, type, type2, chk) \
2581 static void glue(gen_, name##x)(DisasContext *ctx) \
2582 { \
2583 TCGv EA; \
2584 chk; \
2585 gen_set_access_type(ctx, ACCESS_INT); \
2586 EA = tcg_temp_new(); \
2587 gen_addr_reg_index(ctx, EA); \
2588 gen_qemu_##ldop(ctx, cpu_gpr[rD(ctx->opcode)], EA); \
2589 tcg_temp_free(EA); \
2590 }
2591
2592 #define GEN_LDX(name, ldop, opc2, opc3, type) \
2593 GEN_LDX_E(name, ldop, opc2, opc3, type, PPC_NONE, CHK_NONE)
2594
2595 #define GEN_LDX_HVRM(name, ldop, opc2, opc3, type) \
2596 GEN_LDX_E(name, ldop, opc2, opc3, type, PPC_NONE, CHK_HVRM)
2597
2598 #define GEN_LDS(name, ldop, op, type) \
2599 GEN_LD(name, ldop, op | 0x20, type); \
2600 GEN_LDU(name, ldop, op | 0x21, type); \
2601 GEN_LDUX(name, ldop, 0x17, op | 0x01, type); \
2602 GEN_LDX(name, ldop, 0x17, op | 0x00, type)
2603
2604 /* lbz lbzu lbzux lbzx */
2605 GEN_LDS(lbz, ld8u, 0x02, PPC_INTEGER);
2606 /* lha lhau lhaux lhax */
2607 GEN_LDS(lha, ld16s, 0x0A, PPC_INTEGER);
2608 /* lhz lhzu lhzux lhzx */
2609 GEN_LDS(lhz, ld16u, 0x08, PPC_INTEGER);
2610 /* lwz lwzu lwzux lwzx */
2611 GEN_LDS(lwz, ld32u, 0x00, PPC_INTEGER);
2612
2613 #define GEN_LDEPX(name, ldop, opc2, opc3) \
2614 static void glue(gen_, name##epx)(DisasContext *ctx) \
2615 { \
2616 TCGv EA; \
2617 CHK_SV; \
2618 gen_set_access_type(ctx, ACCESS_INT); \
2619 EA = tcg_temp_new(); \
2620 gen_addr_reg_index(ctx, EA); \
2621 tcg_gen_qemu_ld_tl(cpu_gpr[rD(ctx->opcode)], EA, PPC_TLB_EPID_LOAD, ldop);\
2622 tcg_temp_free(EA); \
2623 }
2624
2625 GEN_LDEPX(lb, DEF_MEMOP(MO_UB), 0x1F, 0x02)
2626 GEN_LDEPX(lh, DEF_MEMOP(MO_UW), 0x1F, 0x08)
2627 GEN_LDEPX(lw, DEF_MEMOP(MO_UL), 0x1F, 0x00)
2628 #if defined(TARGET_PPC64)
2629 GEN_LDEPX(ld, DEF_MEMOP(MO_Q), 0x1D, 0x00)
2630 #endif
2631
2632 #if defined(TARGET_PPC64)
2633 /* lwaux */
2634 GEN_LDUX(lwa, ld32s, 0x15, 0x0B, PPC_64B);
2635 /* lwax */
2636 GEN_LDX(lwa, ld32s, 0x15, 0x0A, PPC_64B);
2637 /* ldux */
2638 GEN_LDUX(ld, ld64_i64, 0x15, 0x01, PPC_64B);
2639 /* ldx */
2640 GEN_LDX(ld, ld64_i64, 0x15, 0x00, PPC_64B);
2641
2642 /* CI load/store variants */
2643 GEN_LDX_HVRM(ldcix, ld64_i64, 0x15, 0x1b, PPC_CILDST)
2644 GEN_LDX_HVRM(lwzcix, ld32u, 0x15, 0x15, PPC_CILDST)
2645 GEN_LDX_HVRM(lhzcix, ld16u, 0x15, 0x19, PPC_CILDST)
2646 GEN_LDX_HVRM(lbzcix, ld8u, 0x15, 0x1a, PPC_CILDST)
2647
2648 static void gen_ld(DisasContext *ctx)
2649 {
2650 TCGv EA;
2651 if (Rc(ctx->opcode)) {
2652 if (unlikely(rA(ctx->opcode) == 0 ||
2653 rA(ctx->opcode) == rD(ctx->opcode))) {
2654 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
2655 return;
2656 }
2657 }
2658 gen_set_access_type(ctx, ACCESS_INT);
2659 EA = tcg_temp_new();
2660 gen_addr_imm_index(ctx, EA, 0x03);
2661 if (ctx->opcode & 0x02) {
2662 /* lwa (lwau is undefined) */
2663 gen_qemu_ld32s(ctx, cpu_gpr[rD(ctx->opcode)], EA);
2664 } else {
2665 /* ld - ldu */
2666 gen_qemu_ld64_i64(ctx, cpu_gpr[rD(ctx->opcode)], EA);
2667 }
2668 if (Rc(ctx->opcode)) {
2669 tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA);
2670 }
2671 tcg_temp_free(EA);
2672 }
2673
2674 /* lq */
2675 static void gen_lq(DisasContext *ctx)
2676 {
2677 int ra, rd;
2678 TCGv EA, hi, lo;
2679
2680 /* lq is a legal user mode instruction starting in ISA 2.07 */
2681 bool legal_in_user_mode = (ctx->insns_flags2 & PPC2_LSQ_ISA207) != 0;
2682 bool le_is_supported = (ctx->insns_flags2 & PPC2_LSQ_ISA207) != 0;
2683
2684 if (!legal_in_user_mode && ctx->pr) {
2685 gen_priv_exception(ctx, POWERPC_EXCP_PRIV_OPC);
2686 return;
2687 }
2688
2689 if (!le_is_supported && ctx->le_mode) {
2690 gen_align_no_le(ctx);
2691 return;
2692 }
2693 ra = rA(ctx->opcode);
2694 rd = rD(ctx->opcode);
2695 if (unlikely((rd & 1) || rd == ra)) {
2696 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
2697 return;
2698 }
2699
2700 gen_set_access_type(ctx, ACCESS_INT);
2701 EA = tcg_temp_new();
2702 gen_addr_imm_index(ctx, EA, 0x0F);
2703
2704 /* Note that the low part is always in RD+1, even in LE mode. */
2705 lo = cpu_gpr[rd + 1];
2706 hi = cpu_gpr[rd];
2707
2708 if (tb_cflags(ctx->base.tb) & CF_PARALLEL) {
2709 if (HAVE_ATOMIC128) {
2710 TCGv_i32 oi = tcg_temp_new_i32();
2711 if (ctx->le_mode) {
2712 tcg_gen_movi_i32(oi, make_memop_idx(MO_LEQ, ctx->mem_idx));
2713 gen_helper_lq_le_parallel(lo, cpu_env, EA, oi);
2714 } else {
2715 tcg_gen_movi_i32(oi, make_memop_idx(MO_BEQ, ctx->mem_idx));
2716 gen_helper_lq_be_parallel(lo, cpu_env, EA, oi);
2717 }
2718 tcg_temp_free_i32(oi);
2719 tcg_gen_ld_i64(hi, cpu_env, offsetof(CPUPPCState, retxh));
2720 } else {
2721 /* Restart with exclusive lock. */
2722 gen_helper_exit_atomic(cpu_env);
2723 ctx->base.is_jmp = DISAS_NORETURN;
2724 }
2725 } else if (ctx->le_mode) {
2726 tcg_gen_qemu_ld_i64(lo, EA, ctx->mem_idx, MO_LEQ);
2727 gen_addr_add(ctx, EA, EA, 8);
2728 tcg_gen_qemu_ld_i64(hi, EA, ctx->mem_idx, MO_LEQ);
2729 } else {
2730 tcg_gen_qemu_ld_i64(hi, EA, ctx->mem_idx, MO_BEQ);
2731 gen_addr_add(ctx, EA, EA, 8);
2732 tcg_gen_qemu_ld_i64(lo, EA, ctx->mem_idx, MO_BEQ);
2733 }
2734 tcg_temp_free(EA);
2735 }
2736 #endif
2737
2738 /*** Integer store ***/
2739 #define GEN_ST(name, stop, opc, type) \
2740 static void glue(gen_, name)(DisasContext *ctx) \
2741 { \
2742 TCGv EA; \
2743 gen_set_access_type(ctx, ACCESS_INT); \
2744 EA = tcg_temp_new(); \
2745 gen_addr_imm_index(ctx, EA, 0); \
2746 gen_qemu_##stop(ctx, cpu_gpr[rS(ctx->opcode)], EA); \
2747 tcg_temp_free(EA); \
2748 }
2749
2750 #define GEN_STU(name, stop, opc, type) \
2751 static void glue(gen_, stop##u)(DisasContext *ctx) \
2752 { \
2753 TCGv EA; \
2754 if (unlikely(rA(ctx->opcode) == 0)) { \
2755 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); \
2756 return; \
2757 } \
2758 gen_set_access_type(ctx, ACCESS_INT); \
2759 EA = tcg_temp_new(); \
2760 if (type == PPC_64B) \
2761 gen_addr_imm_index(ctx, EA, 0x03); \
2762 else \
2763 gen_addr_imm_index(ctx, EA, 0); \
2764 gen_qemu_##stop(ctx, cpu_gpr[rS(ctx->opcode)], EA); \
2765 tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA); \
2766 tcg_temp_free(EA); \
2767 }
2768
2769 #define GEN_STUX(name, stop, opc2, opc3, type) \
2770 static void glue(gen_, name##ux)(DisasContext *ctx) \
2771 { \
2772 TCGv EA; \
2773 if (unlikely(rA(ctx->opcode) == 0)) { \
2774 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); \
2775 return; \
2776 } \
2777 gen_set_access_type(ctx, ACCESS_INT); \
2778 EA = tcg_temp_new(); \
2779 gen_addr_reg_index(ctx, EA); \
2780 gen_qemu_##stop(ctx, cpu_gpr[rS(ctx->opcode)], EA); \
2781 tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA); \
2782 tcg_temp_free(EA); \
2783 }
2784
2785 #define GEN_STX_E(name, stop, opc2, opc3, type, type2, chk) \
2786 static void glue(gen_, name##x)(DisasContext *ctx) \
2787 { \
2788 TCGv EA; \
2789 chk; \
2790 gen_set_access_type(ctx, ACCESS_INT); \
2791 EA = tcg_temp_new(); \
2792 gen_addr_reg_index(ctx, EA); \
2793 gen_qemu_##stop(ctx, cpu_gpr[rS(ctx->opcode)], EA); \
2794 tcg_temp_free(EA); \
2795 }
2796 #define GEN_STX(name, stop, opc2, opc3, type) \
2797 GEN_STX_E(name, stop, opc2, opc3, type, PPC_NONE, CHK_NONE)
2798
2799 #define GEN_STX_HVRM(name, stop, opc2, opc3, type) \
2800 GEN_STX_E(name, stop, opc2, opc3, type, PPC_NONE, CHK_HVRM)
2801
2802 #define GEN_STS(name, stop, op, type) \
2803 GEN_ST(name, stop, op | 0x20, type); \
2804 GEN_STU(name, stop, op | 0x21, type); \
2805 GEN_STUX(name, stop, 0x17, op | 0x01, type); \
2806 GEN_STX(name, stop, 0x17, op | 0x00, type)
2807
2808 /* stb stbu stbux stbx */
2809 GEN_STS(stb, st8, 0x06, PPC_INTEGER);
2810 /* sth sthu sthux sthx */
2811 GEN_STS(sth, st16, 0x0C, PPC_INTEGER);
2812 /* stw stwu stwux stwx */
2813 GEN_STS(stw, st32, 0x04, PPC_INTEGER);
2814
2815 #define GEN_STEPX(name, stop, opc2, opc3) \
2816 static void glue(gen_, name##epx)(DisasContext *ctx) \
2817 { \
2818 TCGv EA; \
2819 CHK_SV; \
2820 gen_set_access_type(ctx, ACCESS_INT); \
2821 EA = tcg_temp_new(); \
2822 gen_addr_reg_index(ctx, EA); \
2823 tcg_gen_qemu_st_tl( \
2824 cpu_gpr[rD(ctx->opcode)], EA, PPC_TLB_EPID_STORE, stop); \
2825 tcg_temp_free(EA); \
2826 }
2827
2828 GEN_STEPX(stb, DEF_MEMOP(MO_UB), 0x1F, 0x06)
2829 GEN_STEPX(sth, DEF_MEMOP(MO_UW), 0x1F, 0x0C)
2830 GEN_STEPX(stw, DEF_MEMOP(MO_UL), 0x1F, 0x04)
2831 #if defined(TARGET_PPC64)
2832 GEN_STEPX(std, DEF_MEMOP(MO_Q), 0x1d, 0x04)
2833 #endif
2834
2835 #if defined(TARGET_PPC64)
2836 GEN_STUX(std, st64_i64, 0x15, 0x05, PPC_64B);
2837 GEN_STX(std, st64_i64, 0x15, 0x04, PPC_64B);
2838 GEN_STX_HVRM(stdcix, st64_i64, 0x15, 0x1f, PPC_CILDST)
2839 GEN_STX_HVRM(stwcix, st32, 0x15, 0x1c, PPC_CILDST)
2840 GEN_STX_HVRM(sthcix, st16, 0x15, 0x1d, PPC_CILDST)
2841 GEN_STX_HVRM(stbcix, st8, 0x15, 0x1e, PPC_CILDST)
2842
2843 static void gen_std(DisasContext *ctx)
2844 {
2845 int rs;
2846 TCGv EA;
2847
2848 rs = rS(ctx->opcode);
2849 if ((ctx->opcode & 0x3) == 0x2) { /* stq */
2850 bool legal_in_user_mode = (ctx->insns_flags2 & PPC2_LSQ_ISA207) != 0;
2851 bool le_is_supported = (ctx->insns_flags2 & PPC2_LSQ_ISA207) != 0;
2852 TCGv hi, lo;
2853
2854 if (!(ctx->insns_flags & PPC_64BX)) {
2855 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
2856 }
2857
2858 if (!legal_in_user_mode && ctx->pr) {
2859 gen_priv_exception(ctx, POWERPC_EXCP_PRIV_OPC);
2860 return;
2861 }
2862
2863 if (!le_is_supported && ctx->le_mode) {
2864 gen_align_no_le(ctx);
2865 return;
2866 }
2867
2868 if (unlikely(rs & 1)) {
2869 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
2870 return;
2871 }
2872 gen_set_access_type(ctx, ACCESS_INT);
2873 EA = tcg_temp_new();
2874 gen_addr_imm_index(ctx, EA, 0x03);
2875
2876 /* Note that the low part is always in RS+1, even in LE mode. */
2877 lo = cpu_gpr[rs + 1];
2878 hi = cpu_gpr[rs];
2879
2880 if (tb_cflags(ctx->base.tb) & CF_PARALLEL) {
2881 if (HAVE_ATOMIC128) {
2882 TCGv_i32 oi = tcg_temp_new_i32();
2883 if (ctx->le_mode) {
2884 tcg_gen_movi_i32(oi, make_memop_idx(MO_LEQ, ctx->mem_idx));
2885 gen_helper_stq_le_parallel(cpu_env, EA, lo, hi, oi);
2886 } else {
2887 tcg_gen_movi_i32(oi, make_memop_idx(MO_BEQ, ctx->mem_idx));
2888 gen_helper_stq_be_parallel(cpu_env, EA, lo, hi, oi);
2889 }
2890 tcg_temp_free_i32(oi);
2891 } else {
2892 /* Restart with exclusive lock. */
2893 gen_helper_exit_atomic(cpu_env);
2894 ctx->base.is_jmp = DISAS_NORETURN;
2895 }
2896 } else if (ctx->le_mode) {
2897 tcg_gen_qemu_st_i64(lo, EA, ctx->mem_idx, MO_LEQ);
2898 gen_addr_add(ctx, EA, EA, 8);
2899 tcg_gen_qemu_st_i64(hi, EA, ctx->mem_idx, MO_LEQ);
2900 } else {
2901 tcg_gen_qemu_st_i64(hi, EA, ctx->mem_idx, MO_BEQ);
2902 gen_addr_add(ctx, EA, EA, 8);
2903 tcg_gen_qemu_st_i64(lo, EA, ctx->mem_idx, MO_BEQ);
2904 }
2905 tcg_temp_free(EA);
2906 } else {
2907 /* std / stdu */
2908 if (Rc(ctx->opcode)) {
2909 if (unlikely(rA(ctx->opcode) == 0)) {
2910 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
2911 return;
2912 }
2913 }
2914 gen_set_access_type(ctx, ACCESS_INT);
2915 EA = tcg_temp_new();
2916 gen_addr_imm_index(ctx, EA, 0x03);
2917 gen_qemu_st64_i64(ctx, cpu_gpr[rs], EA);
2918 if (Rc(ctx->opcode)) {
2919 tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA);
2920 }
2921 tcg_temp_free(EA);
2922 }
2923 }
2924 #endif
2925 /*** Integer load and store with byte reverse ***/
2926
2927 /* lhbrx */
2928 GEN_LDX(lhbr, ld16ur, 0x16, 0x18, PPC_INTEGER);
2929
2930 /* lwbrx */
2931 GEN_LDX(lwbr, ld32ur, 0x16, 0x10, PPC_INTEGER);
2932
2933 #if defined(TARGET_PPC64)
2934 /* ldbrx */
2935 GEN_LDX_E(ldbr, ld64ur_i64, 0x14, 0x10, PPC_NONE, PPC2_DBRX, CHK_NONE);
2936 /* stdbrx */
2937 GEN_STX_E(stdbr, st64r_i64, 0x14, 0x14, PPC_NONE, PPC2_DBRX, CHK_NONE);
2938 #endif /* TARGET_PPC64 */
2939
2940 /* sthbrx */
2941 GEN_STX(sthbr, st16r, 0x16, 0x1C, PPC_INTEGER);
2942 /* stwbrx */
2943 GEN_STX(stwbr, st32r, 0x16, 0x14, PPC_INTEGER);
2944
2945 /*** Integer load and store multiple ***/
2946
2947 /* lmw */
2948 static void gen_lmw(DisasContext *ctx)
2949 {
2950 TCGv t0;
2951 TCGv_i32 t1;
2952
2953 if (ctx->le_mode) {
2954 gen_align_no_le(ctx);
2955 return;
2956 }
2957 gen_set_access_type(ctx, ACCESS_INT);
2958 t0 = tcg_temp_new();
2959 t1 = tcg_const_i32(rD(ctx->opcode));
2960 gen_addr_imm_index(ctx, t0, 0);
2961 gen_helper_lmw(cpu_env, t0, t1);
2962 tcg_temp_free(t0);
2963 tcg_temp_free_i32(t1);
2964 }
2965
2966 /* stmw */
2967 static void gen_stmw(DisasContext *ctx)
2968 {
2969 TCGv t0;
2970 TCGv_i32 t1;
2971
2972 if (ctx->le_mode) {
2973 gen_align_no_le(ctx);
2974 return;
2975 }
2976 gen_set_access_type(ctx, ACCESS_INT);
2977 t0 = tcg_temp_new();
2978 t1 = tcg_const_i32(rS(ctx->opcode));
2979 gen_addr_imm_index(ctx, t0, 0);
2980 gen_helper_stmw(cpu_env, t0, t1);
2981 tcg_temp_free(t0);
2982 tcg_temp_free_i32(t1);
2983 }
2984
2985 /*** Integer load and store strings ***/
2986
2987 /* lswi */
2988 /*
2989 * PowerPC32 specification says we must generate an exception if rA is
2990 * in the range of registers to be loaded. In an other hand, IBM says
2991 * this is valid, but rA won't be loaded. For now, I'll follow the
2992 * spec...
2993 */
2994 static void gen_lswi(DisasContext *ctx)
2995 {
2996 TCGv t0;
2997 TCGv_i32 t1, t2;
2998 int nb = NB(ctx->opcode);
2999 int start = rD(ctx->opcode);
3000 int ra = rA(ctx->opcode);
3001 int nr;
3002
3003 if (ctx->le_mode) {
3004 gen_align_no_le(ctx);
3005 return;
3006 }
3007 if (nb == 0) {
3008 nb = 32;
3009 }
3010 nr = DIV_ROUND_UP(nb, 4);
3011 if (unlikely(lsw_reg_in_range(start, nr, ra))) {
3012 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_LSWX);
3013 return;
3014 }
3015 gen_set_access_type(ctx, ACCESS_INT);
3016 t0 = tcg_temp_new();
3017 gen_addr_register(ctx, t0);
3018 t1 = tcg_const_i32(nb);
3019 t2 = tcg_const_i32(start);
3020 gen_helper_lsw(cpu_env, t0, t1, t2);
3021 tcg_temp_free(t0);
3022 tcg_temp_free_i32(t1);
3023 tcg_temp_free_i32(t2);
3024 }
3025
3026 /* lswx */
3027 static void gen_lswx(DisasContext *ctx)
3028 {
3029 TCGv t0;
3030 TCGv_i32 t1, t2, t3;
3031
3032 if (ctx->le_mode) {
3033 gen_align_no_le(ctx);
3034 return;
3035 }
3036 gen_set_access_type(ctx, ACCESS_INT);
3037 t0 = tcg_temp_new();
3038 gen_addr_reg_index(ctx, t0);
3039 t1 = tcg_const_i32(rD(ctx->opcode));
3040 t2 = tcg_const_i32(rA(ctx->opcode));
3041 t3 = tcg_const_i32(rB(ctx->opcode));
3042 gen_helper_lswx(cpu_env, t0, t1, t2, t3);
3043 tcg_temp_free(t0);
3044 tcg_temp_free_i32(t1);
3045 tcg_temp_free_i32(t2);
3046 tcg_temp_free_i32(t3);
3047 }
3048
3049 /* stswi */
3050 static void gen_stswi(DisasContext *ctx)
3051 {
3052 TCGv t0;
3053 TCGv_i32 t1, t2;
3054 int nb = NB(ctx->opcode);
3055
3056 if (ctx->le_mode) {
3057 gen_align_no_le(ctx);
3058 return;
3059 }
3060 gen_set_access_type(ctx, ACCESS_INT);
3061 t0 = tcg_temp_new();
3062 gen_addr_register(ctx, t0);
3063 if (nb == 0) {
3064 nb = 32;
3065 }
3066 t1 = tcg_const_i32(nb);
3067 t2 = tcg_const_i32(rS(ctx->opcode));
3068 gen_helper_stsw(cpu_env, t0, t1, t2);
3069 tcg_temp_free(t0);
3070 tcg_temp_free_i32(t1);
3071 tcg_temp_free_i32(t2);
3072 }
3073
3074 /* stswx */
3075 static void gen_stswx(DisasContext *ctx)
3076 {
3077 TCGv t0;
3078 TCGv_i32 t1, t2;
3079
3080 if (ctx->le_mode) {
3081 gen_align_no_le(ctx);
3082 return;
3083 }
3084 gen_set_access_type(ctx, ACCESS_INT);
3085 t0 = tcg_temp_new();
3086 gen_addr_reg_index(ctx, t0);
3087 t1 = tcg_temp_new_i32();
3088 tcg_gen_trunc_tl_i32(t1, cpu_xer);
3089 tcg_gen_andi_i32(t1, t1, 0x7F);
3090 t2 = tcg_const_i32(rS(ctx->opcode));
3091 gen_helper_stsw(cpu_env, t0, t1, t2);
3092 tcg_temp_free(t0);
3093 tcg_temp_free_i32(t1);
3094 tcg_temp_free_i32(t2);
3095 }
3096
3097 /*** Memory synchronisation ***/
3098 /* eieio */
3099 static void gen_eieio(DisasContext *ctx)
3100 {
3101 TCGBar bar = TCG_MO_LD_ST;
3102
3103 /*
3104 * POWER9 has a eieio instruction variant using bit 6 as a hint to
3105 * tell the CPU it is a store-forwarding barrier.
3106 */
3107 if (ctx->opcode & 0x2000000) {
3108 /*
3109 * ISA says that "Reserved fields in instructions are ignored
3110 * by the processor". So ignore the bit 6 on non-POWER9 CPU but
3111 * as this is not an instruction software should be using,
3112 * complain to the user.
3113 */
3114 if (!(ctx->insns_flags2 & PPC2_ISA300)) {
3115 qemu_log_mask(LOG_GUEST_ERROR, "invalid eieio using bit 6 at @"
3116 TARGET_FMT_lx "\n", ctx->base.pc_next - 4);
3117 } else {
3118 bar = TCG_MO_ST_LD;
3119 }
3120 }
3121
3122 tcg_gen_mb(bar | TCG_BAR_SC);
3123 }
3124
3125 #if !defined(CONFIG_USER_ONLY)
3126 static inline void gen_check_tlb_flush(DisasContext *ctx, bool global)
3127 {
3128 TCGv_i32 t;
3129 TCGLabel *l;
3130
3131 if (!ctx->lazy_tlb_flush) {
3132 return;
3133 }
3134 l = gen_new_label();
3135 t = tcg_temp_new_i32();
3136 tcg_gen_ld_i32(t, cpu_env, offsetof(CPUPPCState, tlb_need_flush));
3137 tcg_gen_brcondi_i32(TCG_COND_EQ, t, 0, l);
3138 if (global) {
3139 gen_helper_check_tlb_flush_global(cpu_env);
3140 } else {
3141 gen_helper_check_tlb_flush_local(cpu_env);
3142 }
3143 gen_set_label(l);
3144 tcg_temp_free_i32(t);
3145 }
3146 #else
3147 static inline void gen_check_tlb_flush(DisasContext *ctx, bool global) { }
3148 #endif
3149
3150 /* isync */
3151 static void gen_isync(DisasContext *ctx)
3152 {
3153 /*
3154 * We need to check for a pending TLB flush. This can only happen in
3155 * kernel mode however so check MSR_PR
3156 */
3157 if (!ctx->pr) {
3158 gen_check_tlb_flush(ctx, false);
3159 }
3160 tcg_gen_mb(TCG_MO_ALL | TCG_BAR_SC);
3161 gen_stop_exception(ctx);
3162 }
3163
3164 #define MEMOP_GET_SIZE(x) (1 << ((x) & MO_SIZE))
3165
3166 static void gen_load_locked(DisasContext *ctx, MemOp memop)
3167 {
3168 TCGv gpr = cpu_gpr[rD(ctx->opcode)];
3169 TCGv t0 = tcg_temp_new();
3170
3171 gen_set_access_type(ctx, ACCESS_RES);
3172 gen_addr_reg_index(ctx, t0);
3173 tcg_gen_qemu_ld_tl(gpr, t0, ctx->mem_idx, memop | MO_ALIGN);
3174 tcg_gen_mov_tl(cpu_reserve, t0);
3175 tcg_gen_mov_tl(cpu_reserve_val, gpr);
3176 tcg_gen_mb(TCG_MO_ALL | TCG_BAR_LDAQ);
3177 tcg_temp_free(t0);
3178 }
3179
3180 #define LARX(name, memop) \
3181 static void gen_##name(DisasContext *ctx) \
3182 { \
3183 gen_load_locked(ctx, memop); \
3184 }
3185
3186 /* lwarx */
3187 LARX(lbarx, DEF_MEMOP(MO_UB))
3188 LARX(lharx, DEF_MEMOP(MO_UW))
3189 LARX(lwarx, DEF_MEMOP(MO_UL))
3190
3191 static void gen_fetch_inc_conditional(DisasContext *ctx, MemOp memop,
3192 TCGv EA, TCGCond cond, int addend)
3193 {
3194 TCGv t = tcg_temp_new();
3195 TCGv t2 = tcg_temp_new();
3196 TCGv u = tcg_temp_new();
3197
3198 tcg_gen_qemu_ld_tl(t, EA, ctx->mem_idx, memop);
3199 tcg_gen_addi_tl(t2, EA, MEMOP_GET_SIZE(memop));
3200 tcg_gen_qemu_ld_tl(t2, t2, ctx->mem_idx, memop);
3201 tcg_gen_addi_tl(u, t, addend);
3202
3203 /* E.g. for fetch and increment bounded... */
3204 /* mem(EA,s) = (t != t2 ? u = t + 1 : t) */
3205 tcg_gen_movcond_tl(cond, u, t, t2, u, t);
3206 tcg_gen_qemu_st_tl(u, EA, ctx->mem_idx, memop);
3207
3208 /* RT = (t != t2 ? t : u = 1<<(s*8-1)) */
3209 tcg_gen_movi_tl(u, 1 << (MEMOP_GET_SIZE(memop) * 8 - 1));
3210 tcg_gen_movcond_tl(cond, cpu_gpr[rD(ctx->opcode)], t, t2, t, u);
3211
3212 tcg_temp_free(t);
3213 tcg_temp_free(t2);
3214 tcg_temp_free(u);
3215 }
3216
3217 static void gen_ld_atomic(DisasContext *ctx, MemOp memop)
3218 {
3219 uint32_t gpr_FC = FC(ctx->opcode);
3220 TCGv EA = tcg_temp_new();
3221 int rt = rD(ctx->opcode);
3222 bool need_serial;
3223 TCGv src, dst;
3224
3225 gen_addr_register(ctx, EA);
3226 dst = cpu_gpr[rt];
3227 src = cpu_gpr[(rt + 1) & 31];
3228
3229 need_serial = false;
3230 memop |= MO_ALIGN;
3231 switch (gpr_FC) {
3232 case 0: /* Fetch and add */
3233 tcg_gen_atomic_fetch_add_tl(dst, EA, src, ctx->mem_idx, memop);
3234 break;
3235 case 1: /* Fetch and xor */
3236 tcg_gen_atomic_fetch_xor_tl(dst, EA, src, ctx->mem_idx, memop);
3237 break;
3238 case 2: /* Fetch and or */
3239 tcg_gen_atomic_fetch_or_tl(dst, EA, src, ctx->mem_idx, memop);
3240 break;
3241 case 3: /* Fetch and 'and' */
3242 tcg_gen_atomic_fetch_and_tl(dst, EA, src, ctx->mem_idx, memop);
3243 break;
3244 case 4: /* Fetch and max unsigned */
3245 tcg_gen_atomic_fetch_umax_tl(dst, EA, src, ctx->mem_idx, memop);
3246 break;
3247 case 5: /* Fetch and max signed */
3248 tcg_gen_atomic_fetch_smax_tl(dst, EA, src, ctx->mem_idx, memop);
3249 break;
3250 case 6: /* Fetch and min unsigned */
3251 tcg_gen_atomic_fetch_umin_tl(dst, EA, src, ctx->mem_idx, memop);
3252 break;
3253 case 7: /* Fetch and min signed */
3254 tcg_gen_atomic_fetch_smin_tl(dst, EA, src, ctx->mem_idx, memop);
3255 break;
3256 case 8: /* Swap */
3257 tcg_gen_atomic_xchg_tl(dst, EA, src, ctx->mem_idx, memop);
3258 break;
3259
3260 case 16: /* Compare and swap not equal */
3261 if (tb_cflags(ctx->base.tb) & CF_PARALLEL) {
3262 need_serial = true;
3263 } else {
3264 TCGv t0 = tcg_temp_new();
3265 TCGv t1 = tcg_temp_new();
3266
3267 tcg_gen_qemu_ld_tl(t0, EA, ctx->mem_idx, memop);
3268 if ((memop & MO_SIZE) == MO_64 || TARGET_LONG_BITS == 32) {
3269 tcg_gen_mov_tl(t1, src);
3270 } else {
3271 tcg_gen_ext32u_tl(t1, src);
3272 }
3273 tcg_gen_movcond_tl(TCG_COND_NE, t1, t0, t1,
3274 cpu_gpr[(rt + 2) & 31], t0);
3275 tcg_gen_qemu_st_tl(t1, EA, ctx->mem_idx, memop);
3276 tcg_gen_mov_tl(dst, t0);
3277
3278 tcg_temp_free(t0);
3279 tcg_temp_free(t1);
3280 }
3281 break;
3282
3283 case 24: /* Fetch and increment bounded */
3284 if (tb_cflags(ctx->base.tb) & CF_PARALLEL) {
3285 need_serial = true;
3286 } else {
3287 gen_fetch_inc_conditional(ctx, memop, EA, TCG_COND_NE, 1);
3288 }
3289 break;
3290 case 25: /* Fetch and increment equal */
3291 if (tb_cflags(ctx->base.tb) & CF_PARALLEL) {
3292 need_serial = true;
3293 } else {
3294 gen_fetch_inc_conditional(ctx, memop, EA, TCG_COND_EQ, 1);
3295 }
3296 break;
3297 case 28: /* Fetch and decrement bounded */
3298 if (tb_cflags(ctx->base.tb) & CF_PARALLEL) {
3299 need_serial = true;
3300 } else {
3301 gen_fetch_inc_conditional(ctx, memop, EA, TCG_COND_NE, -1);
3302 }
3303 break;
3304
3305 default:
3306 /* invoke data storage error handler */
3307 gen_exception_err(ctx, POWERPC_EXCP_DSI, POWERPC_EXCP_INVAL);
3308 }
3309 tcg_temp_free(EA);
3310
3311 if (need_serial) {
3312 /* Restart with exclusive lock. */
3313 gen_helper_exit_atomic(cpu_env);
3314 ctx->base.is_jmp = DISAS_NORETURN;
3315 }
3316 }
3317
3318 static void gen_lwat(DisasContext *ctx)
3319 {
3320 gen_ld_atomic(ctx, DEF_MEMOP(MO_UL));
3321 }
3322
3323 #ifdef TARGET_PPC64
3324 static void gen_ldat(DisasContext *ctx)
3325 {
3326 gen_ld_atomic(ctx, DEF_MEMOP(MO_Q));
3327 }
3328 #endif
3329
3330 static void gen_st_atomic(DisasContext *ctx, MemOp memop)
3331 {
3332 uint32_t gpr_FC = FC(ctx->opcode);
3333 TCGv EA = tcg_temp_new();
3334 TCGv src, discard;
3335
3336 gen_addr_register(ctx, EA);
3337 src = cpu_gpr[rD(ctx->opcode)];
3338 discard = tcg_temp_new();
3339
3340 memop |= MO_ALIGN;
3341 switch (gpr_FC) {
3342 case 0: /* add and Store */
3343 tcg_gen_atomic_add_fetch_tl(discard, EA, src, ctx->mem_idx, memop);
3344 break;
3345 case 1: /* xor and Store */
3346 tcg_gen_atomic_xor_fetch_tl(discard, EA, src, ctx->mem_idx, memop);
3347 break;
3348 case 2: /* Or and Store */
3349 tcg_gen_atomic_or_fetch_tl(discard, EA, src, ctx->mem_idx, memop);
3350 break;
3351 case 3: /* 'and' and Store */
3352 tcg_gen_atomic_and_fetch_tl(discard, EA, src, ctx->mem_idx, memop);
3353 break;
3354 case 4: /* Store max unsigned */
3355 tcg_gen_atomic_umax_fetch_tl(discard, EA, src, ctx->mem_idx, memop);
3356 break;
3357 case 5: /* Store max signed */
3358 tcg_gen_atomic_smax_fetch_tl(discard, EA, src, ctx->mem_idx, memop);
3359 break;
3360 case 6: /* Store min unsigned */
3361 tcg_gen_atomic_umin_fetch_tl(discard, EA, src, ctx->mem_idx, memop);
3362 break;
3363 case 7: /* Store min signed */
3364 tcg_gen_atomic_smin_fetch_tl(discard, EA, src, ctx->mem_idx, memop);
3365 break;
3366 case 24: /* Store twin */
3367 if (tb_cflags(ctx->base.tb) & CF_PARALLEL) {
3368 /* Restart with exclusive lock. */
3369 gen_helper_exit_atomic(cpu_env);
3370 ctx->base.is_jmp = DISAS_NORETURN;
3371 } else {
3372 TCGv t = tcg_temp_new();
3373 TCGv t2 = tcg_temp_new();
3374 TCGv s = tcg_temp_new();
3375 TCGv s2 = tcg_temp_new();
3376 TCGv ea_plus_s = tcg_temp_new();
3377
3378 tcg_gen_qemu_ld_tl(t, EA, ctx->mem_idx, memop);
3379 tcg_gen_addi_tl(ea_plus_s, EA, MEMOP_GET_SIZE(memop));
3380 tcg_gen_qemu_ld_tl(t2, ea_plus_s, ctx->mem_idx, memop);
3381 tcg_gen_movcond_tl(TCG_COND_EQ, s, t, t2, src, t);
3382 tcg_gen_movcond_tl(TCG_COND_EQ, s2, t, t2, src, t2);
3383 tcg_gen_qemu_st_tl(s, EA, ctx->mem_idx, memop);
3384 tcg_gen_qemu_st_tl(s2, ea_plus_s, ctx->mem_idx, memop);
3385
3386 tcg_temp_free(ea_plus_s);
3387 tcg_temp_free(s2);
3388 tcg_temp_free(s);
3389 tcg_temp_free(t2);
3390 tcg_temp_free(t);
3391 }
3392 break;
3393 default:
3394 /* invoke data storage error handler */
3395 gen_exception_err(ctx, POWERPC_EXCP_DSI, POWERPC_EXCP_INVAL);
3396 }
3397 tcg_temp_free(discard);
3398 tcg_temp_free(EA);
3399 }
3400
3401 static void gen_stwat(DisasContext *ctx)
3402 {
3403 gen_st_atomic(ctx, DEF_MEMOP(MO_UL));
3404 }
3405
3406 #ifdef TARGET_PPC64
3407 static void gen_stdat(DisasContext *ctx)
3408 {
3409 gen_st_atomic(ctx, DEF_MEMOP(MO_Q));
3410 }
3411 #endif
3412
3413 static void gen_conditional_store(DisasContext *ctx, MemOp memop)
3414 {
3415 TCGLabel *l1 = gen_new_label();
3416 TCGLabel *l2 = gen_new_label();
3417 TCGv t0 = tcg_temp_new();
3418 int reg = rS(ctx->opcode);
3419
3420 gen_set_access_type(ctx, ACCESS_RES);
3421 gen_addr_reg_index(ctx, t0);
3422 tcg_gen_brcond_tl(TCG_COND_NE, t0, cpu_reserve, l1);
3423 tcg_temp_free(t0);
3424
3425 t0 = tcg_temp_new();
3426 tcg_gen_atomic_cmpxchg_tl(t0, cpu_reserve, cpu_reserve_val,
3427 cpu_gpr[reg], ctx->mem_idx,
3428 DEF_MEMOP(memop) | MO_ALIGN);
3429 tcg_gen_setcond_tl(TCG_COND_EQ, t0, t0, cpu_reserve_val);
3430 tcg_gen_shli_tl(t0, t0, CRF_EQ_BIT);
3431 tcg_gen_or_tl(t0, t0, cpu_so);
3432 tcg_gen_trunc_tl_i32(cpu_crf[0], t0);
3433 tcg_temp_free(t0);
3434 tcg_gen_br(l2);
3435
3436 gen_set_label(l1);
3437
3438 /*
3439 * Address mismatch implies failure. But we still need to provide
3440 * the memory barrier semantics of the instruction.
3441 */
3442 tcg_gen_mb(TCG_MO_ALL | TCG_BAR_STRL);
3443 tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so);
3444
3445 gen_set_label(l2);
3446 tcg_gen_movi_tl(cpu_reserve, -1);
3447 }
3448
3449 #define STCX(name, memop) \
3450 static void gen_##name(DisasContext *ctx) \
3451 { \
3452 gen_conditional_store(ctx, memop); \
3453 }
3454
3455 STCX(stbcx_, DEF_MEMOP(MO_UB))
3456 STCX(sthcx_, DEF_MEMOP(MO_UW))
3457 STCX(stwcx_, DEF_MEMOP(MO_UL))
3458
3459 #if defined(TARGET_PPC64)
3460 /* ldarx */
3461 LARX(ldarx, DEF_MEMOP(MO_Q))
3462 /* stdcx. */
3463 STCX(stdcx_, DEF_MEMOP(MO_Q))
3464
3465 /* lqarx */
3466 static void gen_lqarx(DisasContext *ctx)
3467 {
3468 int rd = rD(ctx->opcode);
3469 TCGv EA, hi, lo;
3470
3471 if (unlikely((rd & 1) || (rd == rA(ctx->opcode)) ||
3472 (rd == rB(ctx->opcode)))) {
3473 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
3474 return;
3475 }
3476
3477 gen_set_access_type(ctx, ACCESS_RES);
3478 EA = tcg_temp_new();
3479 gen_addr_reg_index(ctx, EA);
3480
3481 /* Note that the low part is always in RD+1, even in LE mode. */
3482 lo = cpu_gpr[rd + 1];
3483 hi = cpu_gpr[rd];
3484
3485 if (tb_cflags(ctx->base.tb) & CF_PARALLEL) {
3486 if (HAVE_ATOMIC128) {
3487 TCGv_i32 oi = tcg_temp_new_i32();
3488 if (ctx->le_mode) {
3489 tcg_gen_movi_i32(oi, make_memop_idx(MO_LEQ | MO_ALIGN_16,
3490 ctx->mem_idx));
3491 gen_helper_lq_le_parallel(lo, cpu_env, EA, oi);
3492 } else {
3493 tcg_gen_movi_i32(oi, make_memop_idx(MO_BEQ | MO_ALIGN_16,
3494 ctx->mem_idx));
3495 gen_helper_lq_be_parallel(lo, cpu_env, EA, oi);
3496 }
3497 tcg_temp_free_i32(oi);
3498 tcg_gen_ld_i64(hi, cpu_env, offsetof(CPUPPCState, retxh));
3499 } else {
3500 /* Restart with exclusive lock. */
3501 gen_helper_exit_atomic(cpu_env);
3502 ctx->base.is_jmp = DISAS_NORETURN;
3503 tcg_temp_free(EA);
3504 return;
3505 }
3506 } else if (ctx->le_mode) {
3507 tcg_gen_qemu_ld_i64(lo, EA, ctx->mem_idx, MO_LEQ | MO_ALIGN_16);
3508 tcg_gen_mov_tl(cpu_reserve, EA);
3509 gen_addr_add(ctx, EA, EA, 8);
3510 tcg_gen_qemu_ld_i64(hi, EA, ctx->mem_idx, MO_LEQ);
3511 } else {
3512 tcg_gen_qemu_ld_i64(hi, EA, ctx->mem_idx, MO_BEQ | MO_ALIGN_16);
3513 tcg_gen_mov_tl(cpu_reserve, EA);
3514 gen_addr_add(ctx, EA, EA, 8);
3515 tcg_gen_qemu_ld_i64(lo, EA, ctx->mem_idx, MO_BEQ);
3516 }
3517 tcg_temp_free(EA);
3518
3519 tcg_gen_st_tl(hi, cpu_env, offsetof(CPUPPCState, reserve_val));
3520 tcg_gen_st_tl(lo, cpu_env, offsetof(CPUPPCState, reserve_val2));
3521 }
3522
3523 /* stqcx. */
3524 static void gen_stqcx_(DisasContext *ctx)
3525 {
3526 int rs = rS(ctx->opcode);
3527 TCGv EA, hi, lo;
3528
3529 if (unlikely(rs & 1)) {
3530 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
3531 return;
3532 }
3533
3534 gen_set_access_type(ctx, ACCESS_RES);
3535 EA = tcg_temp_new();
3536 gen_addr_reg_index(ctx, EA);
3537
3538 /* Note that the low part is always in RS+1, even in LE mode. */
3539 lo = cpu_gpr[rs + 1];
3540 hi = cpu_gpr[rs];
3541
3542 if (tb_cflags(ctx->base.tb) & CF_PARALLEL) {
3543 if (HAVE_CMPXCHG128) {
3544 TCGv_i32 oi = tcg_const_i32(DEF_MEMOP(MO_Q) | MO_ALIGN_16);
3545 if (ctx->le_mode) {
3546 gen_helper_stqcx_le_parallel(cpu_crf[0], cpu_env,
3547 EA, lo, hi, oi);
3548 } else {
3549 gen_helper_stqcx_be_parallel(cpu_crf[0], cpu_env,
3550 EA, lo, hi, oi);
3551 }
3552 tcg_temp_free_i32(oi);
3553 } else {
3554 /* Restart with exclusive lock. */
3555 gen_helper_exit_atomic(cpu_env);
3556 ctx->base.is_jmp = DISAS_NORETURN;
3557 }
3558 tcg_temp_free(EA);
3559 } else {
3560 TCGLabel *lab_fail = gen_new_label();
3561 TCGLabel *lab_over = gen_new_label();
3562 TCGv_i64 t0 = tcg_temp_new_i64();
3563 TCGv_i64 t1 = tcg_temp_new_i64();
3564
3565 tcg_gen_brcond_tl(TCG_COND_NE, EA, cpu_reserve, lab_fail);
3566 tcg_temp_free(EA);
3567
3568 gen_qemu_ld64_i64(ctx, t0, cpu_reserve);
3569 tcg_gen_ld_i64(t1, cpu_env, (ctx->le_mode
3570 ? offsetof(CPUPPCState, reserve_val2)
3571 : offsetof(CPUPPCState, reserve_val)));
3572 tcg_gen_brcond_i64(TCG_COND_NE, t0, t1, lab_fail);
3573
3574 tcg_gen_addi_i64(t0, cpu_reserve, 8);
3575 gen_qemu_ld64_i64(ctx, t0, t0);
3576 tcg_gen_ld_i64(t1, cpu_env, (ctx->le_mode
3577 ? offsetof(CPUPPCState, reserve_val)
3578 : offsetof(CPUPPCState, reserve_val2)));
3579 tcg_gen_brcond_i64(TCG_COND_NE, t0, t1, lab_fail);
3580
3581 /* Success */
3582 gen_qemu_st64_i64(ctx, ctx->le_mode ? lo : hi, cpu_reserve);
3583 tcg_gen_addi_i64(t0, cpu_reserve, 8);
3584 gen_qemu_st64_i64(ctx, ctx->le_mode ? hi : lo, t0);
3585
3586 tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so);
3587 tcg_gen_ori_i32(cpu_crf[0], cpu_crf[0], CRF_EQ);
3588 tcg_gen_br(lab_over);
3589
3590 gen_set_label(lab_fail);
3591 tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so);
3592
3593 gen_set_label(lab_over);
3594 tcg_gen_movi_tl(cpu_reserve, -1);
3595 tcg_temp_free_i64(t0);
3596 tcg_temp_free_i64(t1);
3597 }
3598 }
3599 #endif /* defined(TARGET_PPC64) */
3600
3601 /* sync */
3602 static void gen_sync(DisasContext *ctx)
3603 {
3604 uint32_t l = (ctx->opcode >> 21) & 3;
3605
3606 /*
3607 * We may need to check for a pending TLB flush.
3608 *
3609 * We do this on ptesync (l == 2) on ppc64 and any sync pn ppc32.
3610 *
3611 * Additionally, this can only happen in kernel mode however so
3612 * check MSR_PR as well.
3613 */
3614 if (((l == 2) || !(ctx->insns_flags & PPC_64B)) && !ctx->pr) {
3615 gen_check_tlb_flush(ctx, true);
3616 }
3617 tcg_gen_mb(TCG_MO_ALL | TCG_BAR_SC);
3618 }
3619
3620 /* wait */
3621 static void gen_wait(DisasContext *ctx)
3622 {
3623 TCGv_i32 t0 = tcg_const_i32(1);
3624 tcg_gen_st_i32(t0, cpu_env,
3625 -offsetof(PowerPCCPU, env) + offsetof(CPUState, halted));
3626 tcg_temp_free_i32(t0);
3627 /* Stop translation, as the CPU is supposed to sleep from now */
3628 gen_exception_nip(ctx, EXCP_HLT, ctx->base.pc_next);
3629 }
3630
3631 #if defined(TARGET_PPC64)
3632 static void gen_doze(DisasContext *ctx)
3633 {
3634 #if defined(CONFIG_USER_ONLY)
3635 GEN_PRIV;
3636 #else
3637 TCGv_i32 t;
3638
3639 CHK_HV;
3640 t = tcg_const_i32(PPC_PM_DOZE);
3641 gen_helper_pminsn(cpu_env, t);
3642 tcg_temp_free_i32(t);
3643 /* Stop translation, as the CPU is supposed to sleep from now */
3644 gen_exception_nip(ctx, EXCP_HLT, ctx->base.pc_next);
3645 #endif /* defined(CONFIG_USER_ONLY) */
3646 }
3647
3648 static void gen_nap(DisasContext *ctx)
3649 {
3650 #if defined(CONFIG_USER_ONLY)
3651 GEN_PRIV;
3652 #else
3653 TCGv_i32 t;
3654
3655 CHK_HV;
3656 t = tcg_const_i32(PPC_PM_NAP);
3657 gen_helper_pminsn(cpu_env, t);
3658 tcg_temp_free_i32(t);
3659 /* Stop translation, as the CPU is supposed to sleep from now */
3660 gen_exception_nip(ctx, EXCP_HLT, ctx->base.pc_next);
3661 #endif /* defined(CONFIG_USER_ONLY) */
3662 }
3663
3664 static void gen_stop(DisasContext *ctx)
3665 {
3666 #if defined(CONFIG_USER_ONLY)
3667 GEN_PRIV;
3668 #else
3669 TCGv_i32 t;
3670
3671 CHK_HV;
3672 t = tcg_const_i32(PPC_PM_STOP);
3673 gen_helper_pminsn(cpu_env, t);
3674 tcg_temp_free_i32(t);
3675 /* Stop translation, as the CPU is supposed to sleep from now */
3676 gen_exception_nip(ctx, EXCP_HLT, ctx->base.pc_next);
3677 #endif /* defined(CONFIG_USER_ONLY) */
3678 }
3679
3680 static void gen_sleep(DisasContext *ctx)
3681 {
3682 #if defined(CONFIG_USER_ONLY)
3683 GEN_PRIV;
3684 #else
3685 TCGv_i32 t;
3686
3687 CHK_HV;
3688 t = tcg_const_i32(PPC_PM_SLEEP);
3689 gen_helper_pminsn(cpu_env, t);
3690 tcg_temp_free_i32(t);
3691 /* Stop translation, as the CPU is supposed to sleep from now */
3692 gen_exception_nip(ctx, EXCP_HLT, ctx->base.pc_next);
3693 #endif /* defined(CONFIG_USER_ONLY) */
3694 }
3695
3696 static void gen_rvwinkle(DisasContext *ctx)
3697 {
3698 #if defined(CONFIG_USER_ONLY)
3699 GEN_PRIV;
3700 #else
3701 TCGv_i32 t;
3702
3703 CHK_HV;
3704 t = tcg_const_i32(PPC_PM_RVWINKLE);
3705 gen_helper_pminsn(cpu_env, t);
3706 tcg_temp_free_i32(t);
3707 /* Stop translation, as the CPU is supposed to sleep from now */
3708 gen_exception_nip(ctx, EXCP_HLT, ctx->base.pc_next);
3709 #endif /* defined(CONFIG_USER_ONLY) */
3710 }
3711 #endif /* #if defined(TARGET_PPC64) */
3712
3713 static inline void gen_update_cfar(DisasContext *ctx, target_ulong nip)
3714 {
3715 #if defined(TARGET_PPC64)
3716 if (ctx->has_cfar) {
3717 tcg_gen_movi_tl(cpu_cfar, nip);
3718 }
3719 #endif
3720 }
3721
3722 static inline bool use_goto_tb(DisasContext *ctx, target_ulong dest)
3723 {
3724 if (unlikely(ctx->singlestep_enabled)) {
3725 return false;
3726 }
3727
3728 #ifndef CONFIG_USER_ONLY
3729 return (ctx->base.tb->pc & TARGET_PAGE_MASK) == (dest & TARGET_PAGE_MASK);
3730 #else
3731 return true;
3732 #endif
3733 }
3734
3735 static void gen_lookup_and_goto_ptr(DisasContext *ctx)
3736 {
3737 int sse = ctx->singlestep_enabled;
3738 if (unlikely(sse)) {
3739 if (sse & GDBSTUB_SINGLE_STEP) {
3740 gen_debug_exception(ctx);
3741 } else if (sse & (CPU_SINGLE_STEP | CPU_BRANCH_STEP)) {
3742 uint32_t excp = gen_prep_dbgex(ctx);
3743 gen_exception(ctx, excp);
3744 }
3745 tcg_gen_exit_tb(NULL, 0);
3746 } else {
3747 tcg_gen_lookup_and_goto_ptr();
3748 }
3749 }
3750
3751 /*** Branch ***/
3752 static void gen_goto_tb(DisasContext *ctx, int n, target_ulong dest)
3753 {
3754 if (NARROW_MODE(ctx)) {
3755 dest = (uint32_t) dest;
3756 }
3757 if (use_goto_tb(ctx, dest)) {
3758 tcg_gen_goto_tb(n);
3759 tcg_gen_movi_tl(cpu_nip, dest & ~3);
3760 tcg_gen_exit_tb(ctx->base.tb, n);
3761 } else {
3762 tcg_gen_movi_tl(cpu_nip, dest & ~3);
3763 gen_lookup_and_goto_ptr(ctx);
3764 }
3765 }
3766
3767 static inline void gen_setlr(DisasContext *ctx, target_ulong nip)
3768 {
3769 if (NARROW_MODE(ctx)) {
3770 nip = (uint32_t)nip;
3771 }
3772 tcg_gen_movi_tl(cpu_lr, nip);
3773 }
3774
3775 /* b ba bl bla */
3776 static void gen_b(DisasContext *ctx)
3777 {
3778 target_ulong li, target;
3779
3780 ctx->exception = POWERPC_EXCP_BRANCH;
3781 /* sign extend LI */
3782 li = LI(ctx->opcode);
3783 li = (li ^ 0x02000000) - 0x02000000;
3784 if (likely(AA(ctx->opcode) == 0)) {
3785 target = ctx->base.pc_next + li - 4;
3786 } else {
3787 target = li;
3788 }
3789 if (LK(ctx->opcode)) {
3790 gen_setlr(ctx, ctx->base.pc_next);
3791 }
3792 gen_update_cfar(ctx, ctx->base.pc_next - 4);
3793 gen_goto_tb(ctx, 0, target);
3794 }
3795
3796 #define BCOND_IM 0
3797 #define BCOND_LR 1
3798 #define BCOND_CTR 2
3799 #define BCOND_TAR 3
3800
3801 static void gen_bcond(DisasContext *ctx, int type)
3802 {
3803 uint32_t bo = BO(ctx->opcode);
3804 TCGLabel *l1;
3805 TCGv target;
3806 ctx->exception = POWERPC_EXCP_BRANCH;
3807
3808 if (type == BCOND_LR || type == BCOND_CTR || type == BCOND_TAR) {
3809 target = tcg_temp_local_new();
3810 if (type == BCOND_CTR) {
3811 tcg_gen_mov_tl(target, cpu_ctr);
3812 } else if (type == BCOND_TAR) {
3813 gen_load_spr(target, SPR_TAR);
3814 } else {
3815 tcg_gen_mov_tl(target, cpu_lr);
3816 }
3817 } else {
3818 target = NULL;
3819 }
3820 if (LK(ctx->opcode)) {
3821 gen_setlr(ctx, ctx->base.pc_next);
3822 }
3823 l1 = gen_new_label();
3824 if ((bo & 0x4) == 0) {
3825 /* Decrement and test CTR */
3826 TCGv temp = tcg_temp_new();
3827
3828 if (type == BCOND_CTR) {
3829 /*
3830 * All ISAs up to v3 describe this form of bcctr as invalid but
3831 * some processors, ie. 64-bit server processors compliant with
3832 * arch 2.x, do implement a "test and decrement" logic instead,
3833 * as described in their respective UMs. This logic involves CTR
3834 * to act as both the branch target and a counter, which makes
3835 * it basically useless and thus never used in real code.
3836 *
3837 * This form was hence chosen to trigger extra micro-architectural
3838 * side-effect on real HW needed for the Spectre v2 workaround.
3839 * It is up to guests that implement such workaround, ie. linux, to
3840 * use this form in a way it just triggers the side-effect without
3841 * doing anything else harmful.
3842 */
3843 if (unlikely(!is_book3s_arch2x(ctx))) {
3844 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
3845 tcg_temp_free(temp);
3846 tcg_temp_free(target);
3847 return;
3848 }
3849
3850 if (NARROW_MODE(ctx)) {
3851 tcg_gen_ext32u_tl(temp, cpu_ctr);
3852 } else {
3853 tcg_gen_mov_tl(temp, cpu_ctr);
3854 }
3855 if (bo & 0x2) {
3856 tcg_gen_brcondi_tl(TCG_COND_NE, temp, 0, l1);
3857 } else {
3858 tcg_gen_brcondi_tl(TCG_COND_EQ, temp, 0, l1);
3859 }
3860 tcg_gen_subi_tl(cpu_ctr, cpu_ctr, 1);
3861 } else {
3862 tcg_gen_subi_tl(cpu_ctr, cpu_ctr, 1);
3863 if (NARROW_MODE(ctx)) {
3864 tcg_gen_ext32u_tl(temp, cpu_ctr);
3865 } else {
3866 tcg_gen_mov_tl(temp, cpu_ctr);
3867 }
3868 if (bo & 0x2) {
3869 tcg_gen_brcondi_tl(TCG_COND_NE, temp, 0, l1);
3870 } else {
3871 tcg_gen_brcondi_tl(TCG_COND_EQ, temp, 0, l1);
3872 }
3873 }
3874 tcg_temp_free(temp);
3875 }
3876 if ((bo & 0x10) == 0) {
3877 /* Test CR */
3878 uint32_t bi = BI(ctx->opcode);
3879 uint32_t mask = 0x08 >> (bi & 0x03);
3880 TCGv_i32 temp = tcg_temp_new_i32();
3881
3882 if (bo & 0x8) {
3883 tcg_gen_andi_i32(temp, cpu_crf[bi >> 2], mask);
3884 tcg_gen_brcondi_i32(TCG_COND_EQ, temp, 0, l1);
3885 } else {
3886 tcg_gen_andi_i32(temp, cpu_crf[bi >> 2], mask);
3887 tcg_gen_brcondi_i32(TCG_COND_NE, temp, 0, l1);
3888 }
3889 tcg_temp_free_i32(temp);
3890 }
3891 gen_update_cfar(ctx, ctx->base.pc_next - 4);
3892 if (type == BCOND_IM) {
3893 target_ulong li = (target_long)((int16_t)(BD(ctx->opcode)));
3894 if (likely(AA(ctx->opcode) == 0)) {
3895 gen_goto_tb(ctx, 0, ctx->base.pc_next + li - 4);
3896 } else {
3897 gen_goto_tb(ctx, 0, li);
3898 }
3899 } else {
3900 if (NARROW_MODE(ctx)) {
3901 tcg_gen_andi_tl(cpu_nip, target, (uint32_t)~3);
3902 } else {
3903 tcg_gen_andi_tl(cpu_nip, target, ~3);
3904 }
3905 gen_lookup_and_goto_ptr(ctx);
3906 tcg_temp_free(target);
3907 }
3908 if ((bo & 0x14) != 0x14) {
3909 /* fallthrough case */
3910 gen_set_label(l1);
3911 gen_goto_tb(ctx, 1, ctx->base.pc_next);
3912 }
3913 }
3914
3915 static void gen_bc(DisasContext *ctx)
3916 {
3917 gen_bcond(ctx, BCOND_IM);
3918 }
3919
3920 static void gen_bcctr(DisasContext *ctx)
3921 {
3922 gen_bcond(ctx, BCOND_CTR);
3923 }
3924
3925 static void gen_bclr(DisasContext *ctx)
3926 {
3927 gen_bcond(ctx, BCOND_LR);
3928 }
3929
3930 static void gen_bctar(DisasContext *ctx)
3931 {
3932 gen_bcond(ctx, BCOND_TAR);
3933 }
3934
3935 /*** Condition register logical ***/
3936 #define GEN_CRLOGIC(name, tcg_op, opc) \
3937 static void glue(gen_, name)(DisasContext *ctx) \
3938 { \
3939 uint8_t bitmask; \
3940 int sh; \
3941 TCGv_i32 t0, t1; \
3942 sh = (crbD(ctx->opcode) & 0x03) - (crbA(ctx->opcode) & 0x03); \
3943 t0 = tcg_temp_new_i32(); \
3944 if (sh > 0) \
3945 tcg_gen_shri_i32(t0, cpu_crf[crbA(ctx->opcode) >> 2], sh); \
3946 else if (sh < 0) \
3947 tcg_gen_shli_i32(t0, cpu_crf[crbA(ctx->opcode) >> 2], -sh); \
3948 else \
3949 tcg_gen_mov_i32(t0, cpu_crf[crbA(ctx->opcode) >> 2]); \
3950 t1 = tcg_temp_new_i32(); \
3951 sh = (crbD(ctx->opcode) & 0x03) - (crbB(ctx->opcode) & 0x03); \
3952 if (sh > 0) \
3953 tcg_gen_shri_i32(t1, cpu_crf[crbB(ctx->opcode) >> 2], sh); \
3954 else if (sh < 0) \
3955 tcg_gen_shli_i32(t1, cpu_crf[crbB(ctx->opcode) >> 2], -sh); \
3956 else \
3957 tcg_gen_mov_i32(t1, cpu_crf[crbB(ctx->opcode) >> 2]); \
3958 tcg_op(t0, t0, t1); \
3959 bitmask = 0x08 >> (crbD(ctx->opcode) & 0x03); \
3960 tcg_gen_andi_i32(t0, t0, bitmask); \
3961 tcg_gen_andi_i32(t1, cpu_crf[crbD(ctx->opcode) >> 2], ~bitmask); \
3962 tcg_gen_or_i32(cpu_crf[crbD(ctx->opcode) >> 2], t0, t1); \
3963 tcg_temp_free_i32(t0); \
3964 tcg_temp_free_i32(t1); \
3965 }
3966
3967 /* crand */
3968 GEN_CRLOGIC(crand, tcg_gen_and_i32, 0x08);
3969 /* crandc */
3970 GEN_CRLOGIC(crandc, tcg_gen_andc_i32, 0x04);
3971 /* creqv */
3972 GEN_CRLOGIC(creqv, tcg_gen_eqv_i32, 0x09);
3973 /* crnand */
3974 GEN_CRLOGIC(crnand, tcg_gen_nand_i32, 0x07);
3975 /* crnor */
3976 GEN_CRLOGIC(crnor, tcg_gen_nor_i32, 0x01);
3977 /* cror */
3978 GEN_CRLOGIC(cror, tcg_gen_or_i32, 0x0E);
3979 /* crorc */
3980 GEN_CRLOGIC(crorc, tcg_gen_orc_i32, 0x0D);
3981 /* crxor */
3982 GEN_CRLOGIC(crxor, tcg_gen_xor_i32, 0x06);
3983
3984 /* mcrf */
3985 static void gen_mcrf(DisasContext *ctx)
3986 {
3987 tcg_gen_mov_i32(cpu_crf[crfD(ctx->opcode)], cpu_crf[crfS(ctx->opcode)]);
3988 }
3989
3990 /*** System linkage ***/
3991
3992 /* rfi (supervisor only) */
3993 static void gen_rfi(DisasContext *ctx)
3994 {
3995 #if defined(CONFIG_USER_ONLY)
3996 GEN_PRIV;
3997 #else
3998 /*
3999 * This instruction doesn't exist anymore on 64-bit server
4000 * processors compliant with arch 2.x
4001 */
4002 if (is_book3s_arch2x(ctx)) {
4003 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
4004 return;
4005 }
4006 /* Restore CPU state */
4007 CHK_SV;
4008 if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) {
4009 gen_io_start();
4010 }
4011 gen_update_cfar(ctx, ctx->base.pc_next - 4);
4012 gen_helper_rfi(cpu_env);
4013 gen_sync_exception(ctx);
4014 #endif
4015 }
4016
4017 #if defined(TARGET_PPC64)
4018 static void gen_rfid(DisasContext *ctx)
4019 {
4020 #if defined(CONFIG_USER_ONLY)
4021 GEN_PRIV;
4022 #else
4023 /* Restore CPU state */
4024 CHK_SV;
4025 if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) {
4026 gen_io_start();
4027 }
4028 gen_update_cfar(ctx, ctx->base.pc_next - 4);
4029 gen_helper_rfid(cpu_env);
4030 gen_sync_exception(ctx);
4031 #endif
4032 }
4033
4034 #if !defined(CONFIG_USER_ONLY)
4035 static void gen_rfscv(DisasContext *ctx)
4036 {
4037 #if defined(CONFIG_USER_ONLY)
4038 GEN_PRIV;
4039 #else
4040 /* Restore CPU state */
4041 CHK_SV;
4042 if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) {
4043 gen_io_start();
4044 }
4045 gen_update_cfar(ctx, ctx->base.pc_next - 4);
4046 gen_helper_rfscv(cpu_env);
4047 gen_sync_exception(ctx);
4048 #endif
4049 }
4050 #endif
4051
4052 static void gen_hrfid(DisasContext *ctx)
4053 {
4054 #if defined(CONFIG_USER_ONLY)
4055 GEN_PRIV;
4056 #else
4057 /* Restore CPU state */
4058 CHK_HV;
4059 gen_helper_hrfid(cpu_env);
4060 gen_sync_exception(ctx);
4061 #endif
4062 }
4063 #endif
4064
4065 /* sc */
4066 #if defined(CONFIG_USER_ONLY)
4067 #define POWERPC_SYSCALL POWERPC_EXCP_SYSCALL_USER
4068 #else
4069 #define POWERPC_SYSCALL POWERPC_EXCP_SYSCALL
4070 #define POWERPC_SYSCALL_VECTORED POWERPC_EXCP_SYSCALL_VECTORED
4071 #endif
4072 static void gen_sc(DisasContext *ctx)
4073 {
4074 uint32_t lev;
4075
4076 lev = (ctx->opcode >> 5) & 0x7F;
4077 gen_exception_err(ctx, POWERPC_SYSCALL, lev);
4078 }
4079
4080 #if defined(TARGET_PPC64)
4081 #if !defined(CONFIG_USER_ONLY)
4082 static void gen_scv(DisasContext *ctx)
4083 {
4084 uint32_t lev;
4085
4086 if (unlikely(!ctx->scv_enabled)) {
4087 gen_exception_err(ctx, POWERPC_EXCP_FU, FSCR_IC_SCV);
4088 return;
4089 }
4090
4091 lev = (ctx->opcode >> 5) & 0x7F;
4092 gen_exception_err(ctx, POWERPC_SYSCALL_VECTORED, lev);
4093 }
4094 #endif
4095 #endif
4096
4097 /*** Trap ***/
4098
4099 /* Check for unconditional traps (always or never) */
4100 static bool check_unconditional_trap(DisasContext *ctx)
4101 {
4102 /* Trap never */
4103 if (TO(ctx->opcode) == 0) {
4104 return true;
4105 }
4106 /* Trap always */
4107 if (TO(ctx->opcode) == 31) {
4108 gen_exception_err(ctx, POWERPC_EXCP_PROGRAM, POWERPC_EXCP_TRAP);
4109 return true;
4110 }
4111 return false;
4112 }
4113
4114 /* tw */
4115 static void gen_tw(DisasContext *ctx)
4116 {
4117 TCGv_i32 t0;
4118
4119 if (check_unconditional_trap(ctx)) {
4120 return;
4121 }
4122 t0 = tcg_const_i32(TO(ctx->opcode));
4123 gen_helper_tw(cpu_env, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],
4124 t0);
4125 tcg_temp_free_i32(t0);
4126 }
4127
4128 /* twi */
4129 static void gen_twi(DisasContext *ctx)
4130 {
4131 TCGv t0;
4132 TCGv_i32 t1;
4133
4134 if (check_unconditional_trap(ctx)) {
4135 return;
4136 }
4137 t0 = tcg_const_tl(SIMM(ctx->opcode));
4138 t1 = tcg_const_i32(TO(ctx->opcode));
4139 gen_helper_tw(cpu_env, cpu_gpr[rA(ctx->opcode)], t0, t1);
4140 tcg_temp_free(t0);
4141 tcg_temp_free_i32(t1);
4142 }
4143
4144 #if defined(TARGET_PPC64)
4145 /* td */
4146 static void gen_td(DisasContext *ctx)
4147 {
4148 TCGv_i32 t0;
4149
4150 if (check_unconditional_trap(ctx)) {
4151 return;
4152 }
4153 t0 = tcg_const_i32(TO(ctx->opcode));
4154 gen_helper_td(cpu_env, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],
4155 t0);
4156 tcg_temp_free_i32(t0);
4157 }
4158
4159 /* tdi */
4160 static void gen_tdi(DisasContext *ctx)
4161 {
4162 TCGv t0;
4163 TCGv_i32 t1;
4164
4165 if (check_unconditional_trap(ctx)) {
4166 return;
4167 }
4168 t0 = tcg_const_tl(SIMM(ctx->opcode));
4169 t1 = tcg_const_i32(TO(ctx->opcode));
4170 gen_helper_td(cpu_env, cpu_gpr[rA(ctx->opcode)], t0, t1);
4171 tcg_temp_free(t0);
4172 tcg_temp_free_i32(t1);
4173 }
4174 #endif
4175
4176 /*** Processor control ***/
4177
4178 static void gen_read_xer(DisasContext *ctx, TCGv dst)
4179 {
4180 TCGv t0 = tcg_temp_new();
4181 TCGv t1 = tcg_temp_new();
4182 TCGv t2 = tcg_temp_new();
4183 tcg_gen_mov_tl(dst, cpu_xer);
4184 tcg_gen_shli_tl(t0, cpu_so, XER_SO);
4185 tcg_gen_shli_tl(t1, cpu_ov, XER_OV);
4186 tcg_gen_shli_tl(t2, cpu_ca, XER_CA);
4187 tcg_gen_or_tl(t0, t0, t1);
4188 tcg_gen_or_tl(dst, dst, t2);
4189 tcg_gen_or_tl(dst, dst, t0);
4190 if (is_isa300(ctx)) {
4191 tcg_gen_shli_tl(t0, cpu_ov32, XER_OV32);
4192 tcg_gen_or_tl(dst, dst, t0);
4193 tcg_gen_shli_tl(t0, cpu_ca32, XER_CA32);
4194 tcg_gen_or_tl(dst, dst, t0);
4195 }
4196 tcg_temp_free(t0);
4197 tcg_temp_free(t1);
4198 tcg_temp_free(t2);
4199 }
4200
4201 static void gen_write_xer(TCGv src)
4202 {
4203 /* Write all flags, while reading back check for isa300 */
4204 tcg_gen_andi_tl(cpu_xer, src,
4205 ~((1u << XER_SO) |
4206 (1u << XER_OV) | (1u << XER_OV32) |
4207 (1u << XER_CA) | (1u << XER_CA32)));
4208 tcg_gen_extract_tl(cpu_ov32, src, XER_OV32, 1);
4209 tcg_gen_extract_tl(cpu_ca32, src, XER_CA32, 1);
4210 tcg_gen_extract_tl(cpu_so, src, XER_SO, 1);
4211 tcg_gen_extract_tl(cpu_ov, src, XER_OV, 1);
4212 tcg_gen_extract_tl(cpu_ca, src, XER_CA, 1);
4213 }
4214
4215 /* mcrxr */
4216 static void gen_mcrxr(DisasContext *ctx)
4217 {
4218 TCGv_i32 t0 = tcg_temp_new_i32();
4219 TCGv_i32 t1 = tcg_temp_new_i32();
4220 TCGv_i32 dst = cpu_crf[crfD(ctx->opcode)];
4221
4222 tcg_gen_trunc_tl_i32(t0, cpu_so);
4223 tcg_gen_trunc_tl_i32(t1, cpu_ov);
4224 tcg_gen_trunc_tl_i32(dst, cpu_ca);
4225 tcg_gen_shli_i32(t0, t0, 3);
4226 tcg_gen_shli_i32(t1, t1, 2);
4227 tcg_gen_shli_i32(dst, dst, 1);
4228 tcg_gen_or_i32(dst, dst, t0);
4229 tcg_gen_or_i32(dst, dst, t1);
4230 tcg_temp_free_i32(t0);
4231 tcg_temp_free_i32(t1);
4232
4233 tcg_gen_movi_tl(cpu_so, 0);
4234 tcg_gen_movi_tl(cpu_ov, 0);
4235 tcg_gen_movi_tl(cpu_ca, 0);
4236 }
4237
4238 #ifdef TARGET_PPC64
4239 /* mcrxrx */
4240 static void gen_mcrxrx(DisasContext *ctx)
4241 {
4242 TCGv t0 = tcg_temp_new();
4243 TCGv t1 = tcg_temp_new();
4244 TCGv_i32 dst = cpu_crf[crfD(ctx->opcode)];
4245
4246 /* copy OV and OV32 */
4247 tcg_gen_shli_tl(t0, cpu_ov, 1);
4248 tcg_gen_or_tl(t0, t0, cpu_ov32);
4249 tcg_gen_shli_tl(t0, t0, 2);
4250 /* copy CA and CA32 */
4251 tcg_gen_shli_tl(t1, cpu_ca, 1);
4252 tcg_gen_or_tl(t1, t1, cpu_ca32);
4253 tcg_gen_or_tl(t0, t0, t1);
4254 tcg_gen_trunc_tl_i32(dst, t0);
4255 tcg_temp_free(t0);
4256 tcg_temp_free(t1);
4257 }
4258 #endif
4259
4260 /* mfcr mfocrf */
4261 static void gen_mfcr(DisasContext *ctx)
4262 {
4263 uint32_t crm, crn;
4264
4265 if (likely(ctx->opcode & 0x00100000)) {
4266 crm = CRM(ctx->opcode);
4267 if (likely(crm && ((crm & (crm - 1)) == 0))) {
4268 crn = ctz32(crm);
4269 tcg_gen_extu_i32_tl(cpu_gpr[rD(ctx->opcode)], cpu_crf[7 - crn]);
4270 tcg_gen_shli_tl(cpu_gpr[rD(ctx->opcode)],
4271 cpu_gpr[rD(ctx->opcode)], crn * 4);
4272 }
4273 } else {
4274 TCGv_i32 t0 = tcg_temp_new_i32();
4275 tcg_gen_mov_i32(t0, cpu_crf[0]);
4276 tcg_gen_shli_i32(t0, t0, 4);
4277 tcg_gen_or_i32(t0, t0, cpu_crf[1]);
4278 tcg_gen_shli_i32(t0, t0, 4);
4279 tcg_gen_or_i32(t0, t0, cpu_crf[2]);
4280 tcg_gen_shli_i32(t0, t0, 4);
4281 tcg_gen_or_i32(t0, t0, cpu_crf[3]);
4282 tcg_gen_shli_i32(t0, t0, 4);
4283 tcg_gen_or_i32(t0, t0, cpu_crf[4]);
4284 tcg_gen_shli_i32(t0, t0, 4);
4285 tcg_gen_or_i32(t0, t0, cpu_crf[5]);
4286 tcg_gen_shli_i32(t0, t0, 4);
4287 tcg_gen_or_i32(t0, t0, cpu_crf[6]);
4288 tcg_gen_shli_i32(t0, t0, 4);
4289 tcg_gen_or_i32(t0, t0, cpu_crf[7]);
4290 tcg_gen_extu_i32_tl(cpu_gpr[rD(ctx->opcode)], t0);
4291 tcg_temp_free_i32(t0);
4292 }
4293 }
4294
4295 /* mfmsr */
4296 static void gen_mfmsr(DisasContext *ctx)
4297 {
4298 CHK_SV;
4299 tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_msr);
4300 }
4301
4302 static void spr_noaccess(DisasContext *ctx, int gprn, int sprn)
4303 {
4304 #if 0
4305 sprn = ((sprn >> 5) & 0x1F) | ((sprn & 0x1F) << 5);
4306 printf("ERROR: try to access SPR %d !\n", sprn);
4307 #endif
4308 }
4309 #define SPR_NOACCESS (&spr_noaccess)
4310
4311 /* mfspr */
4312 static inline void gen_op_mfspr(DisasContext *ctx)
4313 {
4314 void (*read_cb)(DisasContext *ctx, int gprn, int sprn);
4315 uint32_t sprn = SPR(ctx->opcode);
4316
4317 #if defined(CONFIG_USER_ONLY)
4318 read_cb = ctx->spr_cb[sprn].uea_read;
4319 #else
4320 if (ctx->pr) {
4321 read_cb = ctx->spr_cb[sprn].uea_read;
4322 } else if (ctx->hv) {
4323 read_cb = ctx->spr_cb[sprn].hea_read;
4324 } else {
4325 read_cb = ctx->spr_cb[sprn].oea_read;
4326 }
4327 #endif
4328 if (likely(read_cb != NULL)) {
4329 if (likely(read_cb != SPR_NOACCESS)) {
4330 (*read_cb)(ctx, rD(ctx->opcode), sprn);
4331 } else {
4332 /* Privilege exception */
4333 /*
4334 * This is a hack to avoid warnings when running Linux:
4335 * this OS breaks the PowerPC virtualisation model,
4336 * allowing userland application to read the PVR
4337 */
4338 if (sprn != SPR_PVR) {
4339 qemu_log_mask(LOG_GUEST_ERROR, "Trying to read privileged spr "
4340 "%d (0x%03x) at " TARGET_FMT_lx "\n", sprn, sprn,
4341 ctx->base.pc_next - 4);
4342 }
4343 gen_priv_exception(ctx, POWERPC_EXCP_PRIV_REG);
4344 }
4345 } else {
4346 /* ISA 2.07 defines these as no-ops */
4347 if ((ctx->insns_flags2 & PPC2_ISA207S) &&
4348 (sprn >= 808 && sprn <= 811)) {
4349 /* This is a nop */
4350 return;
4351 }
4352 /* Not defined */
4353 qemu_log_mask(LOG_GUEST_ERROR,
4354 "Trying to read invalid spr %d (0x%03x) at "
4355 TARGET_FMT_lx "\n", sprn, sprn, ctx->base.pc_next - 4);
4356
4357 /*
4358 * The behaviour depends on MSR:PR and SPR# bit 0x10, it can
4359 * generate a priv, a hv emu or a no-op
4360 */
4361 if (sprn & 0x10) {
4362 if (ctx->pr) {
4363 gen_priv_exception(ctx, POWERPC_EXCP_INVAL_SPR);
4364 }
4365 } else {
4366 if (ctx->pr || sprn == 0 || sprn == 4 || sprn == 5 || sprn == 6) {
4367 gen_hvpriv_exception(ctx, POWERPC_EXCP_INVAL_SPR);
4368 }
4369 }
4370 }
4371 }
4372
4373 static void gen_mfspr(DisasContext *ctx)
4374 {
4375 gen_op_mfspr(ctx);
4376 }
4377
4378 /* mftb */
4379 static void gen_mftb(DisasContext *ctx)
4380 {
4381 gen_op_mfspr(ctx);
4382 }
4383
4384 /* mtcrf mtocrf*/
4385 static void gen_mtcrf(DisasContext *ctx)
4386 {
4387 uint32_t crm, crn;
4388
4389 crm = CRM(ctx->opcode);
4390 if (likely((ctx->opcode & 0x00100000))) {
4391 if (crm && ((crm & (crm - 1)) == 0)) {
4392 TCGv_i32 temp = tcg_temp_new_i32();
4393 crn = ctz32(crm);
4394 tcg_gen_trunc_tl_i32(temp, cpu_gpr[rS(ctx->opcode)]);
4395 tcg_gen_shri_i32(temp, temp, crn * 4);
4396 tcg_gen_andi_i32(cpu_crf[7 - crn], temp, 0xf);
4397 tcg_temp_free_i32(temp);
4398 }
4399 } else {
4400 TCGv_i32 temp = tcg_temp_new_i32();
4401 tcg_gen_trunc_tl_i32(temp, cpu_gpr[rS(ctx->opcode)]);
4402 for (crn = 0 ; crn < 8 ; crn++) {
4403 if (crm & (1 << crn)) {
4404 tcg_gen_shri_i32(cpu_crf[7 - crn], temp, crn * 4);
4405 tcg_gen_andi_i32(cpu_crf[7 - crn], cpu_crf[7 - crn], 0xf);
4406 }
4407 }
4408 tcg_temp_free_i32(temp);
4409 }
4410 }
4411
4412 /* mtmsr */
4413 #if defined(TARGET_PPC64)
4414 static void gen_mtmsrd(DisasContext *ctx)
4415 {
4416 CHK_SV;
4417
4418 #if !defined(CONFIG_USER_ONLY)
4419 if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) {
4420 gen_io_start();
4421 }
4422 if (ctx->opcode & 0x00010000) {
4423 /* L=1 form only updates EE and RI */
4424 TCGv t0 = tcg_temp_new();
4425 TCGv t1 = tcg_temp_new();
4426 tcg_gen_andi_tl(t0, cpu_gpr[rS(ctx->opcode)],
4427 (1 << MSR_RI) | (1 << MSR_EE));
4428 tcg_gen_andi_tl(t1, cpu_msr,
4429 ~(target_ulong)((1 << MSR_RI) | (1 << MSR_EE)));
4430 tcg_gen_or_tl(t1, t1, t0);
4431
4432 gen_helper_store_msr(cpu_env, t1);
4433 tcg_temp_free(t0);
4434 tcg_temp_free(t1);
4435
4436 } else {
4437 /*
4438 * XXX: we need to update nip before the store if we enter
4439 * power saving mode, we will exit the loop directly from
4440 * ppc_store_msr
4441 */
4442 gen_update_nip(ctx, ctx->base.pc_next);
4443 gen_helper_store_msr(cpu_env, cpu_gpr[rS(ctx->opcode)]);
4444 }
4445 /* Must stop the translation as machine state (may have) changed */
4446 gen_stop_exception(ctx);
4447 #endif /* !defined(CONFIG_USER_ONLY) */
4448 }
4449 #endif /* defined(TARGET_PPC64) */
4450
4451 static void gen_mtmsr(DisasContext *ctx)
4452 {
4453 CHK_SV;
4454
4455 #if !defined(CONFIG_USER_ONLY)
4456 if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) {
4457 gen_io_start();
4458 }
4459 if (ctx->opcode & 0x00010000) {
4460 /* L=1 form only updates EE and RI */
4461 TCGv t0 = tcg_temp_new();
4462 TCGv t1 = tcg_temp_new();
4463 tcg_gen_andi_tl(t0, cpu_gpr[rS(ctx->opcode)],
4464 (1 << MSR_RI) | (1 << MSR_EE));
4465 tcg_gen_andi_tl(t1, cpu_msr,
4466 ~(target_ulong)((1 << MSR_RI) | (1 << MSR_EE)));
4467 tcg_gen_or_tl(t1, t1, t0);
4468
4469 gen_helper_store_msr(cpu_env, t1);
4470 tcg_temp_free(t0);
4471 tcg_temp_free(t1);
4472
4473 } else {
4474 TCGv msr = tcg_temp_new();
4475
4476 /*
4477 * XXX: we need to update nip before the store if we enter
4478 * power saving mode, we will exit the loop directly from
4479 * ppc_store_msr
4480 */
4481 gen_update_nip(ctx, ctx->base.pc_next);
4482 #if defined(TARGET_PPC64)
4483 tcg_gen_deposit_tl(msr, cpu_msr, cpu_gpr[rS(ctx->opcode)], 0, 32);
4484 #else
4485 tcg_gen_mov_tl(msr, cpu_gpr[rS(ctx->opcode)]);
4486 #endif
4487 gen_helper_store_msr(cpu_env, msr);
4488 tcg_temp_free(msr);
4489 }
4490 /* Must stop the translation as machine state (may have) changed */
4491 gen_stop_exception(ctx);
4492 #endif
4493 }
4494
4495 /* mtspr */
4496 static void gen_mtspr(DisasContext *ctx)
4497 {
4498 void (*write_cb)(DisasContext *ctx, int sprn, int gprn);
4499 uint32_t sprn = SPR(ctx->opcode);
4500
4501 #if defined(CONFIG_USER_ONLY)
4502 write_cb = ctx->spr_cb[sprn].uea_write;
4503 #else
4504 if (ctx->pr) {
4505 write_cb = ctx->spr_cb[sprn].uea_write;
4506 } else if (ctx->hv) {
4507 write_cb = ctx->spr_cb[sprn].hea_write;
4508 } else {
4509 write_cb = ctx->spr_cb[sprn].oea_write;
4510 }
4511 #endif
4512 if (likely(write_cb != NULL)) {
4513 if (likely(write_cb != SPR_NOACCESS)) {
4514 (*write_cb)(ctx, sprn, rS(ctx->opcode));
4515 } else {
4516 /* Privilege exception */
4517 qemu_log_mask(LOG_GUEST_ERROR, "Trying to write privileged spr "
4518 "%d (0x%03x) at " TARGET_FMT_lx "\n", sprn, sprn,
4519 ctx->base.pc_next - 4);
4520 gen_priv_exception(ctx, POWERPC_EXCP_PRIV_REG);
4521 }
4522 } else {
4523 /* ISA 2.07 defines these as no-ops */
4524 if ((ctx->insns_flags2 & PPC2_ISA207S) &&
4525 (sprn >= 808 && sprn <= 811)) {
4526 /* This is a nop */
4527 return;
4528 }
4529
4530 /* Not defined */
4531 qemu_log_mask(LOG_GUEST_ERROR,
4532 "Trying to write invalid spr %d (0x%03x) at "
4533 TARGET_FMT_lx "\n", sprn, sprn, ctx->base.pc_next - 4);
4534
4535
4536 /*
4537 * The behaviour depends on MSR:PR and SPR# bit 0x10, it can
4538 * generate a priv, a hv emu or a no-op
4539 */
4540 if (sprn & 0x10) {
4541 if (ctx->pr) {
4542 gen_priv_exception(ctx, POWERPC_EXCP_INVAL_SPR);
4543 }
4544 } else {
4545 if (ctx->pr || sprn == 0) {
4546 gen_hvpriv_exception(ctx, POWERPC_EXCP_INVAL_SPR);
4547 }
4548 }
4549 }
4550 }
4551
4552 #if defined(TARGET_PPC64)
4553 /* setb */
4554 static void gen_setb(DisasContext *ctx)
4555 {
4556 TCGv_i32 t0 = tcg_temp_new_i32();
4557 TCGv_i32 t8 = tcg_temp_new_i32();
4558 TCGv_i32 tm1 = tcg_temp_new_i32();
4559 int crf = crfS(ctx->opcode);
4560
4561 tcg_gen_setcondi_i32(TCG_COND_GEU, t0, cpu_crf[crf], 4);
4562 tcg_gen_movi_i32(t8, 8);
4563 tcg_gen_movi_i32(tm1, -1);
4564 tcg_gen_movcond_i32(TCG_COND_GEU, t0, cpu_crf[crf], t8, tm1, t0);
4565 tcg_gen_ext_i32_tl(cpu_gpr[rD(ctx->opcode)], t0);
4566
4567 tcg_temp_free_i32(t0);
4568 tcg_temp_free_i32(t8);
4569 tcg_temp_free_i32(tm1);
4570 }
4571 #endif
4572
4573 /*** Cache management ***/
4574
4575 /* dcbf */
4576 static void gen_dcbf(DisasContext *ctx)
4577 {
4578 /* XXX: specification says this is treated as a load by the MMU */
4579 TCGv t0;
4580 gen_set_access_type(ctx, ACCESS_CACHE);
4581 t0 = tcg_temp_new();
4582 gen_addr_reg_index(ctx, t0);
4583 gen_qemu_ld8u(ctx, t0, t0);
4584 tcg_temp_free(t0);
4585 }
4586
4587 /* dcbfep (external PID dcbf) */
4588 static void gen_dcbfep(DisasContext *ctx)
4589 {
4590 /* XXX: specification says this is treated as a load by the MMU */
4591 TCGv t0;
4592 CHK_SV;
4593 gen_set_access_type(ctx, ACCESS_CACHE);
4594 t0 = tcg_temp_new();
4595 gen_addr_reg_index(ctx, t0);
4596 tcg_gen_qemu_ld_tl(t0, t0, PPC_TLB_EPID_LOAD, DEF_MEMOP(MO_UB));
4597 tcg_temp_free(t0);
4598 }
4599
4600 /* dcbi (Supervisor only) */
4601 static void gen_dcbi(DisasContext *ctx)
4602 {
4603 #if defined(CONFIG_USER_ONLY)
4604 GEN_PRIV;
4605 #else
4606 TCGv EA, val;
4607
4608 CHK_SV;
4609 EA = tcg_temp_new();
4610 gen_set_access_type(ctx, ACCESS_CACHE);
4611 gen_addr_reg_index(ctx, EA);
4612 val = tcg_temp_new();
4613 /* XXX: specification says this should be treated as a store by the MMU */
4614 gen_qemu_ld8u(ctx, val, EA);
4615 gen_qemu_st8(ctx, val, EA);
4616 tcg_temp_free(val);
4617 tcg_temp_free(EA);
4618 #endif /* defined(CONFIG_USER_ONLY) */
4619 }
4620
4621 /* dcdst */
4622 static void gen_dcbst(DisasContext *ctx)
4623 {
4624 /* XXX: specification say this is treated as a load by the MMU */
4625 TCGv t0;
4626 gen_set_access_type(ctx, ACCESS_CACHE);
4627 t0 = tcg_temp_new();
4628 gen_addr_reg_index(ctx, t0);
4629 gen_qemu_ld8u(ctx, t0, t0);
4630 tcg_temp_free(t0);
4631 }
4632
4633 /* dcbstep (dcbstep External PID version) */
4634 static void gen_dcbstep(DisasContext *ctx)
4635 {
4636 /* XXX: specification say this is treated as a load by the MMU */
4637 TCGv t0;
4638 gen_set_access_type(ctx, ACCESS_CACHE);
4639 t0 = tcg_temp_new();
4640 gen_addr_reg_index(ctx, t0);
4641 tcg_gen_qemu_ld_tl(t0, t0, PPC_TLB_EPID_LOAD, DEF_MEMOP(MO_UB));
4642 tcg_temp_free(t0);
4643 }
4644
4645 /* dcbt */
4646 static void gen_dcbt(DisasContext *ctx)
4647 {
4648 /*
4649 * interpreted as no-op
4650 * XXX: specification say this is treated as a load by the MMU but
4651 * does not generate any exception
4652 */
4653 }
4654
4655 /* dcbtep */
4656 static void gen_dcbtep(DisasContext *ctx)
4657 {
4658 /*
4659 * interpreted as no-op
4660 * XXX: specification say this is treated as a load by the MMU but
4661 * does not generate any exception
4662 */
4663 }
4664
4665 /* dcbtst */
4666 static void gen_dcbtst(DisasContext *ctx)
4667 {
4668 /*
4669 * interpreted as no-op
4670 * XXX: specification say this is treated as a load by the MMU but
4671 * does not generate any exception
4672 */
4673 }
4674
4675 /* dcbtstep */
4676 static void gen_dcbtstep(DisasContext *ctx)
4677 {
4678 /*
4679 * interpreted as no-op
4680 * XXX: specification say this is treated as a load by the MMU but
4681 * does not generate any exception
4682 */
4683 }
4684
4685 /* dcbtls */
4686 static void gen_dcbtls(DisasContext *ctx)
4687 {
4688 /* Always fails locking the cache */
4689 TCGv t0 = tcg_temp_new();
4690 gen_load_spr(t0, SPR_Exxx_L1CSR0);
4691 tcg_gen_ori_tl(t0, t0, L1CSR0_CUL);
4692 gen_store_spr(SPR_Exxx_L1CSR0, t0);
4693 tcg_temp_free(t0);
4694 }
4695
4696 /* dcbz */
4697 static void gen_dcbz(DisasContext *ctx)
4698 {
4699 TCGv tcgv_addr;
4700 TCGv_i32 tcgv_op;
4701
4702 gen_set_access_type(ctx, ACCESS_CACHE);
4703 tcgv_addr = tcg_temp_new();
4704 tcgv_op = tcg_const_i32(ctx->opcode & 0x03FF000);
4705 gen_addr_reg_index(ctx, tcgv_addr);
4706 gen_helper_dcbz(cpu_env, tcgv_addr, tcgv_op);
4707 tcg_temp_free(tcgv_addr);
4708 tcg_temp_free_i32(tcgv_op);
4709 }
4710
4711 /* dcbzep */
4712 static void gen_dcbzep(DisasContext *ctx)
4713 {
4714 TCGv tcgv_addr;
4715 TCGv_i32 tcgv_op;
4716
4717 gen_set_access_type(ctx, ACCESS_CACHE);
4718 tcgv_addr = tcg_temp_new();
4719 tcgv_op = tcg_const_i32(ctx->opcode & 0x03FF000);
4720 gen_addr_reg_index(ctx, tcgv_addr);
4721 gen_helper_dcbzep(cpu_env, tcgv_addr, tcgv_op);
4722 tcg_temp_free(tcgv_addr);
4723 tcg_temp_free_i32(tcgv_op);
4724 }
4725
4726 /* dst / dstt */
4727 static void gen_dst(DisasContext *ctx)
4728 {
4729 if (rA(ctx->opcode) == 0) {
4730 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
4731 } else {
4732 /* interpreted as no-op */
4733 }
4734 }
4735
4736 /* dstst /dststt */
4737 static void gen_dstst(DisasContext *ctx)
4738 {
4739 if (rA(ctx->opcode) == 0) {
4740 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
4741 } else {
4742 /* interpreted as no-op */
4743 }
4744
4745 }
4746
4747 /* dss / dssall */
4748 static void gen_dss(DisasContext *ctx)
4749 {
4750 /* interpreted as no-op */
4751 }
4752
4753 /* icbi */
4754 static void gen_icbi(DisasContext *ctx)
4755 {
4756 TCGv t0;
4757 gen_set_access_type(ctx, ACCESS_CACHE);
4758 t0 = tcg_temp_new();
4759 gen_addr_reg_index(ctx, t0);
4760 gen_helper_icbi(cpu_env, t0);
4761 tcg_temp_free(t0);
4762 }
4763
4764 /* icbiep */
4765 static void gen_icbiep(DisasContext *ctx)
4766 {
4767 TCGv t0;
4768 gen_set_access_type(ctx, ACCESS_CACHE);
4769 t0 = tcg_temp_new();
4770 gen_addr_reg_index(ctx, t0);
4771 gen_helper_icbiep(cpu_env, t0);
4772 tcg_temp_free(t0);
4773 }
4774
4775 /* Optional: */
4776 /* dcba */
4777 static void gen_dcba(DisasContext *ctx)
4778 {
4779 /*
4780 * interpreted as no-op
4781 * XXX: specification say this is treated as a store by the MMU
4782 * but does not generate any exception
4783 */
4784 }
4785
4786 /*** Segment register manipulation ***/
4787 /* Supervisor only: */
4788
4789 /* mfsr */
4790 static void gen_mfsr(DisasContext *ctx)
4791 {
4792 #if defined(CONFIG_USER_ONLY)
4793 GEN_PRIV;
4794 #else
4795 TCGv t0;
4796
4797 CHK_SV;
4798 t0 = tcg_const_tl(SR(ctx->opcode));
4799 gen_helper_load_sr(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
4800 tcg_temp_free(t0);
4801 #endif /* defined(CONFIG_USER_ONLY) */
4802 }
4803
4804 /* mfsrin */
4805 static void gen_mfsrin(DisasContext *ctx)
4806 {
4807 #if defined(CONFIG_USER_ONLY)
4808 GEN_PRIV;
4809 #else
4810 TCGv t0;
4811
4812 CHK_SV;
4813 t0 = tcg_temp_new();
4814 tcg_gen_extract_tl(t0, cpu_gpr[rB(ctx->opcode)], 28, 4);
4815 gen_helper_load_sr(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
4816 tcg_temp_free(t0);
4817 #endif /* defined(CONFIG_USER_ONLY) */
4818 }
4819
4820 /* mtsr */
4821 static void gen_mtsr(DisasContext *ctx)
4822 {
4823 #if defined(CONFIG_USER_ONLY)
4824 GEN_PRIV;
4825 #else
4826 TCGv t0;
4827
4828 CHK_SV;
4829 t0 = tcg_const_tl(SR(ctx->opcode));
4830 gen_helper_store_sr(cpu_env, t0, cpu_gpr[rS(ctx->opcode)]);
4831 tcg_temp_free(t0);
4832 #endif /* defined(CONFIG_USER_ONLY) */
4833 }
4834
4835 /* mtsrin */
4836 static void gen_mtsrin(DisasContext *ctx)
4837 {
4838 #if defined(CONFIG_USER_ONLY)
4839 GEN_PRIV;
4840 #else
4841 TCGv t0;
4842 CHK_SV;
4843
4844 t0 = tcg_temp_new();
4845 tcg_gen_extract_tl(t0, cpu_gpr[rB(ctx->opcode)], 28, 4);
4846 gen_helper_store_sr(cpu_env, t0, cpu_gpr[rD(ctx->opcode)]);
4847 tcg_temp_free(t0);
4848 #endif /* defined(CONFIG_USER_ONLY) */
4849 }
4850
4851 #if defined(TARGET_PPC64)
4852 /* Specific implementation for PowerPC 64 "bridge" emulation using SLB */
4853
4854 /* mfsr */
4855 static void gen_mfsr_64b(DisasContext *ctx)
4856 {
4857 #if defined(CONFIG_USER_ONLY)
4858 GEN_PRIV;
4859 #else
4860 TCGv t0;
4861
4862 CHK_SV;
4863 t0 = tcg_const_tl(SR(ctx->opcode));
4864 gen_helper_load_sr(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
4865 tcg_temp_free(t0);
4866 #endif /* defined(CONFIG_USER_ONLY) */
4867 }
4868
4869 /* mfsrin */
4870 static void gen_mfsrin_64b(DisasContext *ctx)
4871 {
4872 #if defined(CONFIG_USER_ONLY)
4873 GEN_PRIV;
4874 #else
4875 TCGv t0;
4876
4877 CHK_SV;
4878 t0 = tcg_temp_new();
4879 tcg_gen_extract_tl(t0, cpu_gpr[rB(ctx->opcode)], 28, 4);
4880 gen_helper_load_sr(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
4881 tcg_temp_free(t0);
4882 #endif /* defined(CONFIG_USER_ONLY) */
4883 }
4884
4885 /* mtsr */
4886 static void gen_mtsr_64b(DisasContext *ctx)
4887 {
4888 #if defined(CONFIG_USER_ONLY)
4889 GEN_PRIV;
4890 #else
4891 TCGv t0;
4892
4893 CHK_SV;
4894 t0 = tcg_const_tl(SR(ctx->opcode));
4895 gen_helper_store_sr(cpu_env, t0, cpu_gpr[rS(ctx->opcode)]);
4896 tcg_temp_free(t0);
4897 #endif /* defined(CONFIG_USER_ONLY) */
4898 }
4899
4900 /* mtsrin */
4901 static void gen_mtsrin_64b(DisasContext *ctx)
4902 {
4903 #if defined(CONFIG_USER_ONLY)
4904 GEN_PRIV;
4905 #else
4906 TCGv t0;
4907
4908 CHK_SV;
4909 t0 = tcg_temp_new();
4910 tcg_gen_extract_tl(t0, cpu_gpr[rB(ctx->opcode)], 28, 4);
4911 gen_helper_store_sr(cpu_env, t0, cpu_gpr[rS(ctx->opcode)]);
4912 tcg_temp_free(t0);
4913 #endif /* defined(CONFIG_USER_ONLY) */
4914 }
4915
4916 /* slbmte */
4917 static void gen_slbmte(DisasContext *ctx)
4918 {
4919 #if defined(CONFIG_USER_ONLY)
4920 GEN_PRIV;
4921 #else
4922 CHK_SV;
4923
4924 gen_helper_store_slb(cpu_env, cpu_gpr[rB(ctx->opcode)],
4925 cpu_gpr[rS(ctx->opcode)]);
4926 #endif /* defined(CONFIG_USER_ONLY) */
4927 }
4928
4929 static void gen_slbmfee(DisasContext *ctx)
4930 {
4931 #if defined(CONFIG_USER_ONLY)
4932 GEN_PRIV;
4933 #else
4934 CHK_SV;
4935
4936 gen_helper_load_slb_esid(cpu_gpr[rS(ctx->opcode)], cpu_env,
4937 cpu_gpr[rB(ctx->opcode)]);
4938 #endif /* defined(CONFIG_USER_ONLY) */
4939 }
4940
4941 static void gen_slbmfev(DisasContext *ctx)
4942 {
4943 #if defined(CONFIG_USER_ONLY)
4944 GEN_PRIV;
4945 #else
4946 CHK_SV;
4947
4948 gen_helper_load_slb_vsid(cpu_gpr[rS(ctx->opcode)], cpu_env,
4949 cpu_gpr[rB(ctx->opcode)]);
4950 #endif /* defined(CONFIG_USER_ONLY) */
4951 }
4952
4953 static void gen_slbfee_(DisasContext *ctx)
4954 {
4955 #if defined(CONFIG_USER_ONLY)
4956 gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG);
4957 #else
4958 TCGLabel *l1, *l2;
4959
4960 if (unlikely(ctx->pr)) {
4961 gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG);
4962 return;
4963 }
4964 gen_helper_find_slb_vsid(cpu_gpr[rS(ctx->opcode)], cpu_env,
4965 cpu_gpr[rB(ctx->opcode)]);
4966 l1 = gen_new_label();
4967 l2 = gen_new_label();
4968 tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so);
4969 tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[rS(ctx->opcode)], -1, l1);
4970 tcg_gen_ori_i32(cpu_crf[0], cpu_crf[0], CRF_EQ);
4971 tcg_gen_br(l2);
4972 gen_set_label(l1);
4973 tcg_gen_movi_tl(cpu_gpr[rS(ctx->opcode)], 0);
4974 gen_set_label(l2);
4975 #endif
4976 }
4977 #endif /* defined(TARGET_PPC64) */
4978
4979 /*** Lookaside buffer management ***/
4980 /* Optional & supervisor only: */
4981
4982 /* tlbia */
4983 static void gen_tlbia(DisasContext *ctx)
4984 {
4985 #if defined(CONFIG_USER_ONLY)
4986 GEN_PRIV;
4987 #else
4988 CHK_HV;
4989
4990 gen_helper_tlbia(cpu_env);
4991 #endif /* defined(CONFIG_USER_ONLY) */
4992 }
4993
4994 /* tlbiel */
4995 static void gen_tlbiel(DisasContext *ctx)
4996 {
4997 #if defined(CONFIG_USER_ONLY)
4998 GEN_PRIV;
4999 #else
5000 CHK_SV;
5001
5002 gen_helper_tlbie(cpu_env, cpu_gpr[rB(ctx->opcode)]);
5003 #endif /* defined(CONFIG_USER_ONLY) */
5004 }
5005
5006 /* tlbie */
5007 static void gen_tlbie(DisasContext *ctx)
5008 {
5009 #if defined(CONFIG_USER_ONLY)
5010 GEN_PRIV;
5011 #else
5012 TCGv_i32 t1;
5013
5014 if (ctx->gtse) {
5015 CHK_SV; /* If gtse is set then tlbie is supervisor privileged */
5016 } else {
5017 CHK_HV; /* Else hypervisor privileged */
5018 }
5019
5020 if (NARROW_MODE(ctx)) {
5021 TCGv t0 = tcg_temp_new();
5022 tcg_gen_ext32u_tl(t0, cpu_gpr[rB(ctx->opcode)]);
5023 gen_helper_tlbie(cpu_env, t0);
5024 tcg_temp_free(t0);
5025 } else {
5026 gen_helper_tlbie(cpu_env, cpu_gpr[rB(ctx->opcode)]);
5027 }
5028 t1 = tcg_temp_new_i32();
5029 tcg_gen_ld_i32(t1, cpu_env, offsetof(CPUPPCState, tlb_need_flush));
5030 tcg_gen_ori_i32(t1, t1, TLB_NEED_GLOBAL_FLUSH);
5031 tcg_gen_st_i32(t1, cpu_env, offsetof(CPUPPCState, tlb_need_flush));
5032 tcg_temp_free_i32(t1);
5033 #endif /* defined(CONFIG_USER_ONLY) */
5034 }
5035
5036 /* tlbsync */
5037 static void gen_tlbsync(DisasContext *ctx)
5038 {
5039 #if defined(CONFIG_USER_ONLY)
5040 GEN_PRIV;
5041 #else
5042
5043 if (ctx->gtse) {
5044 CHK_SV; /* If gtse is set then tlbsync is supervisor privileged */
5045 } else {
5046 CHK_HV; /* Else hypervisor privileged */
5047 }
5048
5049 /* BookS does both ptesync and tlbsync make tlbsync a nop for server */
5050 if (ctx->insns_flags & PPC_BOOKE) {
5051 gen_check_tlb_flush(ctx, true);
5052 }
5053 #endif /* defined(CONFIG_USER_ONLY) */
5054 }
5055
5056 #if defined(TARGET_PPC64)
5057 /* slbia */
5058 static void gen_slbia(DisasContext *ctx)
5059 {
5060 #if defined(CONFIG_USER_ONLY)
5061 GEN_PRIV;
5062 #else
5063 uint32_t ih = (ctx->opcode >> 21) & 0x7;
5064 TCGv_i32 t0 = tcg_const_i32(ih);
5065
5066 CHK_SV;
5067
5068 gen_helper_slbia(cpu_env, t0);
5069 tcg_temp_free_i32(t0);
5070 #endif /* defined(CONFIG_USER_ONLY) */
5071 }
5072
5073 /* slbie */
5074 static void gen_slbie(DisasContext *ctx)
5075 {
5076 #if defined(CONFIG_USER_ONLY)
5077 GEN_PRIV;
5078 #else
5079 CHK_SV;
5080
5081 gen_helper_slbie(cpu_env, cpu_gpr[rB(ctx->opcode)]);
5082 #endif /* defined(CONFIG_USER_ONLY) */
5083 }
5084
5085 /* slbieg */
5086 static void gen_slbieg(DisasContext *ctx)
5087 {
5088 #if defined(CONFIG_USER_ONLY)
5089 GEN_PRIV;
5090 #else
5091 CHK_SV;
5092
5093 gen_helper_slbieg(cpu_env, cpu_gpr[rB(ctx->opcode)]);
5094 #endif /* defined(CONFIG_USER_ONLY) */
5095 }
5096
5097 /* slbsync */
5098 static void gen_slbsync(DisasContext *ctx)
5099 {
5100 #if defined(CONFIG_USER_ONLY)
5101 GEN_PRIV;
5102 #else
5103 CHK_SV;
5104 gen_check_tlb_flush(ctx, true);
5105 #endif /* defined(CONFIG_USER_ONLY) */
5106 }
5107
5108 #endif /* defined(TARGET_PPC64) */
5109
5110 /*** External control ***/
5111 /* Optional: */
5112
5113 /* eciwx */
5114 static void gen_eciwx(DisasContext *ctx)
5115 {
5116 TCGv t0;
5117 /* Should check EAR[E] ! */
5118 gen_set_access_type(ctx, ACCESS_EXT);
5119 t0 = tcg_temp_new();
5120 gen_addr_reg_index(ctx, t0);
5121 tcg_gen_qemu_ld_tl(cpu_gpr[rD(ctx->opcode)], t0, ctx->mem_idx,
5122 DEF_MEMOP(MO_UL | MO_ALIGN));
5123 tcg_temp_free(t0);
5124 }
5125
5126 /* ecowx */
5127 static void gen_ecowx(DisasContext *ctx)
5128 {
5129 TCGv t0;
5130 /* Should check EAR[E] ! */
5131 gen_set_access_type(ctx, ACCESS_EXT);
5132 t0 = tcg_temp_new();
5133 gen_addr_reg_index(ctx, t0);
5134 tcg_gen_qemu_st_tl(cpu_gpr[rD(ctx->opcode)], t0, ctx->mem_idx,
5135 DEF_MEMOP(MO_UL | MO_ALIGN));
5136 tcg_temp_free(t0);
5137 }
5138
5139 /* PowerPC 601 specific instructions */
5140
5141 /* abs - abs. */
5142 static void gen_abs(DisasContext *ctx)
5143 {
5144 TCGv d = cpu_gpr[rD(ctx->opcode)];
5145 TCGv a = cpu_gpr[rA(ctx->opcode)];
5146
5147 tcg_gen_abs_tl(d, a);
5148 if (unlikely(Rc(ctx->opcode) != 0)) {
5149 gen_set_Rc0(ctx, d);
5150 }
5151 }
5152
5153 /* abso - abso. */
5154 static void gen_abso(DisasContext *ctx)
5155 {
5156 TCGv d = cpu_gpr[rD(ctx->opcode)];
5157 TCGv a = cpu_gpr[rA(ctx->opcode)];
5158
5159 tcg_gen_setcondi_tl(TCG_COND_EQ, cpu_ov, a, 0x80000000);
5160 tcg_gen_abs_tl(d, a);
5161 tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov);
5162 if (unlikely(Rc(ctx->opcode) != 0)) {
5163 gen_set_Rc0(ctx, d);
5164 }
5165 }
5166
5167 /* clcs */
5168 static void gen_clcs(DisasContext *ctx)
5169 {
5170 TCGv_i32 t0 = tcg_const_i32(rA(ctx->opcode));
5171 gen_helper_clcs(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
5172 tcg_temp_free_i32(t0);
5173 /* Rc=1 sets CR0 to an undefined state */
5174 }
5175
5176 /* div - div. */
5177 static void gen_div(DisasContext *ctx)
5178 {
5179 gen_helper_div(cpu_gpr[rD(ctx->opcode)], cpu_env, cpu_gpr[rA(ctx->opcode)],
5180 cpu_gpr[rB(ctx->opcode)]);
5181 if (unlikely(Rc(ctx->opcode) != 0)) {
5182 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
5183 }
5184 }
5185
5186 /* divo - divo. */
5187 static void gen_divo(DisasContext *ctx)
5188 {
5189 gen_helper_divo(cpu_gpr[rD(ctx->opcode)], cpu_env, cpu_gpr[rA(ctx->opcode)],
5190 cpu_gpr[rB(ctx->opcode)]);
5191 if (unlikely(Rc(ctx->opcode) != 0)) {
5192 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
5193 }
5194 }
5195
5196 /* divs - divs. */
5197 static void gen_divs(DisasContext *ctx)
5198 {
5199 gen_helper_divs(cpu_gpr[rD(ctx->opcode)], cpu_env, cpu_gpr[rA(ctx->opcode)],
5200 cpu_gpr[rB(ctx->opcode)]);
5201 if (unlikely(Rc(ctx->opcode) != 0)) {
5202 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
5203 }
5204 }
5205
5206 /* divso - divso. */
5207 static void gen_divso(DisasContext *ctx)
5208 {
5209 gen_helper_divso(cpu_gpr[rD(ctx->opcode)], cpu_env,
5210 cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
5211 if (unlikely(Rc(ctx->opcode) != 0)) {
5212 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
5213 }
5214 }
5215
5216 /* doz - doz. */
5217 static void gen_doz(DisasContext *ctx)
5218 {
5219 TCGLabel *l1 = gen_new_label();
5220 TCGLabel *l2 = gen_new_label();
5221 tcg_gen_brcond_tl(TCG_COND_GE, cpu_gpr[rB(ctx->opcode)],
5222 cpu_gpr[rA(ctx->opcode)], l1);
5223 tcg_gen_sub_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],
5224 cpu_gpr[rA(ctx->opcode)]);
5225 tcg_gen_br(l2);
5226 gen_set_label(l1);
5227 tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], 0);
5228 gen_set_label(l2);
5229 if (unlikely(Rc(ctx->opcode) != 0)) {
5230 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
5231 }
5232 }
5233
5234 /* dozo - dozo. */
5235 static void gen_dozo(DisasContext *ctx)
5236 {
5237 TCGLabel *l1 = gen_new_label();
5238 TCGLabel *l2 = gen_new_label();
5239 TCGv t0 = tcg_temp_new();
5240 TCGv t1 = tcg_temp_new();
5241 TCGv t2 = tcg_temp_new();
5242 /* Start with XER OV disabled, the most likely case */
5243 tcg_gen_movi_tl(cpu_ov, 0);
5244 tcg_gen_brcond_tl(TCG_COND_GE, cpu_gpr[rB(ctx->opcode)],
5245 cpu_gpr[rA(ctx->opcode)], l1);
5246 tcg_gen_sub_tl(t0, cpu_gpr[rB(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
5247 tcg_gen_xor_tl(t1, cpu_gpr[rB(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
5248 tcg_gen_xor_tl(t2, cpu_gpr[rA(ctx->opcode)], t0);
5249 tcg_gen_andc_tl(t1, t1, t2);
5250 tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], t0);
5251 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l2);
5252 tcg_gen_movi_tl(cpu_ov, 1);
5253 tcg_gen_movi_tl(cpu_so, 1);
5254 tcg_gen_br(l2);
5255 gen_set_label(l1);
5256 tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], 0);
5257 gen_set_label(l2);
5258 tcg_temp_free(t0);
5259 tcg_temp_free(t1);
5260 tcg_temp_free(t2);
5261 if (unlikely(Rc(ctx->opcode) != 0)) {
5262 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
5263 }
5264 }
5265
5266 /* dozi */
5267 static void gen_dozi(DisasContext *ctx)
5268 {
5269 target_long simm = SIMM(ctx->opcode);
5270 TCGLabel *l1 = gen_new_label();
5271 TCGLabel *l2 = gen_new_label();
5272 tcg_gen_brcondi_tl(TCG_COND_LT, cpu_gpr[rA(ctx->opcode)], simm, l1);
5273 tcg_gen_subfi_tl(cpu_gpr[rD(ctx->opcode)], simm, cpu_gpr[rA(ctx->opcode)]);
5274 tcg_gen_br(l2);
5275 gen_set_label(l1);
5276 tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], 0);
5277 gen_set_label(l2);
5278 if (unlikely(Rc(ctx->opcode) != 0)) {
5279 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
5280 }
5281 }
5282
5283 /* lscbx - lscbx. */
5284 static void gen_lscbx(DisasContext *ctx)
5285 {
5286 TCGv t0 = tcg_temp_new();
5287 TCGv_i32 t1 = tcg_const_i32(rD(ctx->opcode));
5288 TCGv_i32 t2 = tcg_const_i32(rA(ctx->opcode));
5289 TCGv_i32 t3 = tcg_const_i32(rB(ctx->opcode));
5290
5291 gen_addr_reg_index(ctx, t0);
5292 gen_helper_lscbx(t0, cpu_env, t0, t1, t2, t3);
5293 tcg_temp_free_i32(t1);
5294 tcg_temp_free_i32(t2);
5295 tcg_temp_free_i32(t3);
5296 tcg_gen_andi_tl(cpu_xer, cpu_xer, ~0x7F);
5297 tcg_gen_or_tl(cpu_xer, cpu_xer, t0);
5298 if (unlikely(Rc(ctx->opcode) != 0)) {
5299 gen_set_Rc0(ctx, t0);
5300 }
5301 tcg_temp_free(t0);
5302 }
5303
5304 /* maskg - maskg. */
5305 static void gen_maskg(DisasContext *ctx)
5306 {
5307 TCGLabel *l1 = gen_new_label();
5308 TCGv t0 = tcg_temp_new();
5309 TCGv t1 = tcg_temp_new();
5310 TCGv t2 = tcg_temp_new();
5311 TCGv t3 = tcg_temp_new();
5312 tcg_gen_movi_tl(t3, 0xFFFFFFFF);
5313 tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F);
5314 tcg_gen_andi_tl(t1, cpu_gpr[rS(ctx->opcode)], 0x1F);
5315 tcg_gen_addi_tl(t2, t0, 1);
5316 tcg_gen_shr_tl(t2, t3, t2);
5317 tcg_gen_shr_tl(t3, t3, t1);
5318 tcg_gen_xor_tl(cpu_gpr[rA(ctx->opcode)], t2, t3);
5319 tcg_gen_brcond_tl(TCG_COND_GE, t0, t1, l1);
5320 tcg_gen_neg_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
5321 gen_set_label(l1);
5322 tcg_temp_free(t0);
5323 tcg_temp_free(t1);
5324 tcg_temp_free(t2);
5325 tcg_temp_free(t3);
5326 if (unlikely(Rc(ctx->opcode) != 0)) {
5327 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5328 }
5329 }
5330
5331 /* maskir - maskir. */
5332 static void gen_maskir(DisasContext *ctx)
5333 {
5334 TCGv t0 = tcg_temp_new();
5335 TCGv t1 = tcg_temp_new();
5336 tcg_gen_and_tl(t0, cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
5337 tcg_gen_andc_tl(t1, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
5338 tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
5339 tcg_temp_free(t0);
5340 tcg_temp_free(t1);
5341 if (unlikely(Rc(ctx->opcode) != 0)) {
5342 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5343 }
5344 }
5345
5346 /* mul - mul. */
5347 static void gen_mul(DisasContext *ctx)
5348 {
5349 TCGv_i64 t0 = tcg_temp_new_i64();
5350 TCGv_i64 t1 = tcg_temp_new_i64();
5351 TCGv t2 = tcg_temp_new();
5352 tcg_gen_extu_tl_i64(t0, cpu_gpr[rA(ctx->opcode)]);
5353 tcg_gen_extu_tl_i64(t1, cpu_gpr[rB(ctx->opcode)]);
5354 tcg_gen_mul_i64(t0, t0, t1);
5355 tcg_gen_trunc_i64_tl(t2, t0);
5356 gen_store_spr(SPR_MQ, t2);
5357 tcg_gen_shri_i64(t1, t0, 32);
5358 tcg_gen_trunc_i64_tl(cpu_gpr[rD(ctx->opcode)], t1);
5359 tcg_temp_free_i64(t0);
5360 tcg_temp_free_i64(t1);
5361 tcg_temp_free(t2);
5362 if (unlikely(Rc(ctx->opcode) != 0)) {
5363 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
5364 }
5365 }
5366
5367 /* mulo - mulo. */
5368 static void gen_mulo(DisasContext *ctx)
5369 {
5370 TCGLabel *l1 = gen_new_label();
5371 TCGv_i64 t0 = tcg_temp_new_i64();
5372 TCGv_i64 t1 = tcg_temp_new_i64();
5373 TCGv t2 = tcg_temp_new();
5374 /* Start with XER OV disabled, the most likely case */
5375 tcg_gen_movi_tl(cpu_ov, 0);
5376 tcg_gen_extu_tl_i64(t0, cpu_gpr[rA(ctx->opcode)]);
5377 tcg_gen_extu_tl_i64(t1, cpu_gpr[rB(ctx->opcode)]);
5378 tcg_gen_mul_i64(t0, t0, t1);
5379 tcg_gen_trunc_i64_tl(t2, t0);
5380 gen_store_spr(SPR_MQ, t2);
5381 tcg_gen_shri_i64(t1, t0, 32);
5382 tcg_gen_trunc_i64_tl(cpu_gpr[rD(ctx->opcode)], t1);
5383 tcg_gen_ext32s_i64(t1, t0);
5384 tcg_gen_brcond_i64(TCG_COND_EQ, t0, t1, l1);
5385 tcg_gen_movi_tl(cpu_ov, 1);
5386 tcg_gen_movi_tl(cpu_so, 1);
5387 gen_set_label(l1);
5388 tcg_temp_free_i64(t0);
5389 tcg_temp_free_i64(t1);
5390 tcg_temp_free(t2);
5391 if (unlikely(Rc(ctx->opcode) != 0)) {
5392 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
5393 }
5394 }
5395
5396 /* nabs - nabs. */
5397 static void gen_nabs(DisasContext *ctx)
5398 {
5399 TCGv d = cpu_gpr[rD(ctx->opcode)];
5400 TCGv a = cpu_gpr[rA(ctx->opcode)];
5401
5402 tcg_gen_abs_tl(d, a);
5403 tcg_gen_neg_tl(d, d);
5404 if (unlikely(Rc(ctx->opcode) != 0)) {
5405 gen_set_Rc0(ctx, d);
5406 }
5407 }
5408
5409 /* nabso - nabso. */
5410 static void gen_nabso(DisasContext *ctx)
5411 {
5412 TCGv d = cpu_gpr[rD(ctx->opcode)];
5413 TCGv a = cpu_gpr[rA(ctx->opcode)];
5414
5415 tcg_gen_abs_tl(d, a);
5416 tcg_gen_neg_tl(d, d);
5417 /* nabs never overflows */
5418 tcg_gen_movi_tl(cpu_ov, 0);
5419 if (unlikely(Rc(ctx->opcode) != 0)) {
5420 gen_set_Rc0(ctx, d);
5421 }
5422 }
5423
5424 /* rlmi - rlmi. */
5425 static void gen_rlmi(DisasContext *ctx)
5426 {
5427 uint32_t mb = MB(ctx->opcode);
5428 uint32_t me = ME(ctx->opcode);
5429 TCGv t0 = tcg_temp_new();
5430 tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F);
5431 tcg_gen_rotl_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
5432 tcg_gen_andi_tl(t0, t0, MASK(mb, me));
5433 tcg_gen_andi_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
5434 ~MASK(mb, me));
5435 tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], t0);
5436 tcg_temp_free(t0);
5437 if (unlikely(Rc(ctx->opcode) != 0)) {
5438 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5439 }
5440 }
5441
5442 /* rrib - rrib. */
5443 static void gen_rrib(DisasContext *ctx)
5444 {
5445 TCGv t0 = tcg_temp_new();
5446 TCGv t1 = tcg_temp_new();
5447 tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F);
5448 tcg_gen_movi_tl(t1, 0x80000000);
5449 tcg_gen_shr_tl(t1, t1, t0);
5450 tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
5451 tcg_gen_and_tl(t0, t0, t1);
5452 tcg_gen_andc_tl(t1, cpu_gpr[rA(ctx->opcode)], t1);
5453 tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
5454 tcg_temp_free(t0);
5455 tcg_temp_free(t1);
5456 if (unlikely(Rc(ctx->opcode) != 0)) {
5457 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5458 }
5459 }
5460
5461 /* sle - sle. */
5462 static void gen_sle(DisasContext *ctx)
5463 {
5464 TCGv t0 = tcg_temp_new();
5465 TCGv t1 = tcg_temp_new();
5466 tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F);
5467 tcg_gen_shl_tl(t0, cpu_gpr[rS(ctx->opcode)], t1);
5468 tcg_gen_subfi_tl(t1, 32, t1);
5469 tcg_gen_shr_tl(t1, cpu_gpr[rS(ctx->opcode)], t1);
5470 tcg_gen_or_tl(t1, t0, t1);
5471 tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
5472 gen_store_spr(SPR_MQ, t1);
5473 tcg_temp_free(t0);
5474 tcg_temp_free(t1);
5475 if (unlikely(Rc(ctx->opcode) != 0)) {
5476 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5477 }
5478 }
5479
5480 /* sleq - sleq. */
5481 static void gen_sleq(DisasContext *ctx)
5482 {
5483 TCGv t0 = tcg_temp_new();
5484 TCGv t1 = tcg_temp_new();
5485 TCGv t2 = tcg_temp_new();
5486 tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F);
5487 tcg_gen_movi_tl(t2, 0xFFFFFFFF);
5488 tcg_gen_shl_tl(t2, t2, t0);
5489 tcg_gen_rotl_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
5490 gen_load_spr(t1, SPR_MQ);
5491 gen_store_spr(SPR_MQ, t0);
5492 tcg_gen_and_tl(t0, t0, t2);
5493 tcg_gen_andc_tl(t1, t1, t2);
5494 tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
5495 tcg_temp_free(t0);
5496 tcg_temp_free(t1);
5497 tcg_temp_free(t2);
5498 if (unlikely(Rc(ctx->opcode) != 0)) {
5499 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5500 }
5501 }
5502
5503 /* sliq - sliq. */
5504 static void gen_sliq(DisasContext *ctx)
5505 {
5506 int sh = SH(ctx->opcode);
5507 TCGv t0 = tcg_temp_new();
5508 TCGv t1 = tcg_temp_new();
5509 tcg_gen_shli_tl(t0, cpu_gpr[rS(ctx->opcode)], sh);
5510 tcg_gen_shri_tl(t1, cpu_gpr[rS(ctx->opcode)], 32 - sh);
5511 tcg_gen_or_tl(t1, t0, t1);
5512 tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
5513 gen_store_spr(SPR_MQ, t1);
5514 tcg_temp_free(t0);
5515 tcg_temp_free(t1);
5516 if (unlikely(Rc(ctx->opcode) != 0)) {
5517 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5518 }
5519 }
5520
5521 /* slliq - slliq. */
5522 static void gen_slliq(DisasContext *ctx)
5523 {
5524 int sh = SH(ctx->opcode);
5525 TCGv t0 = tcg_temp_new();
5526 TCGv t1 = tcg_temp_new();
5527 tcg_gen_rotli_tl(t0, cpu_gpr[rS(ctx->opcode)], sh);
5528 gen_load_spr(t1, SPR_MQ);
5529 gen_store_spr(SPR_MQ, t0);
5530 tcg_gen_andi_tl(t0, t0, (0xFFFFFFFFU << sh));
5531 tcg_gen_andi_tl(t1, t1, ~(0xFFFFFFFFU << sh));
5532 tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
5533 tcg_temp_free(t0);
5534 tcg_temp_free(t1);
5535 if (unlikely(Rc(ctx->opcode) != 0)) {
5536 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5537 }
5538 }
5539
5540 /* sllq - sllq. */
5541 static void gen_sllq(DisasContext *ctx)
5542 {
5543 TCGLabel *l1 = gen_new_label();
5544 TCGLabel *l2 = gen_new_label();
5545 TCGv t0 = tcg_temp_local_new();
5546 TCGv t1 = tcg_temp_local_new();
5547 TCGv t2 = tcg_temp_local_new();
5548 tcg_gen_andi_tl(t2, cpu_gpr[rB(ctx->opcode)], 0x1F);
5549 tcg_gen_movi_tl(t1, 0xFFFFFFFF);
5550 tcg_gen_shl_tl(t1, t1, t2);
5551 tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x20);
5552 tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1);
5553 gen_load_spr(t0, SPR_MQ);
5554 tcg_gen_and_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
5555 tcg_gen_br(l2);
5556 gen_set_label(l1);
5557 tcg_gen_shl_tl(t0, cpu_gpr[rS(ctx->opcode)], t2);
5558 gen_load_spr(t2, SPR_MQ);
5559 tcg_gen_andc_tl(t1, t2, t1);
5560 tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
5561 gen_set_label(l2);
5562 tcg_temp_free(t0);
5563 tcg_temp_free(t1);
5564 tcg_temp_free(t2);
5565 if (unlikely(Rc(ctx->opcode) != 0)) {
5566 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5567 }
5568 }
5569
5570 /* slq - slq. */
5571 static void gen_slq(DisasContext *ctx)
5572 {
5573 TCGLabel *l1 = gen_new_label();
5574 TCGv t0 = tcg_temp_new();
5575 TCGv t1 = tcg_temp_new();
5576 tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F);
5577 tcg_gen_shl_tl(t0, cpu_gpr[rS(ctx->opcode)], t1);
5578 tcg_gen_subfi_tl(t1, 32, t1);
5579 tcg_gen_shr_tl(t1, cpu_gpr[rS(ctx->opcode)], t1);
5580 tcg_gen_or_tl(t1, t0, t1);
5581 gen_store_spr(SPR_MQ, t1);
5582 tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x20);
5583 tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
5584 tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1);
5585 tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0);
5586 gen_set_label(l1);
5587 tcg_temp_free(t0);
5588 tcg_temp_free(t1);
5589 if (unlikely(Rc(ctx->opcode) != 0)) {
5590 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5591 }
5592 }
5593
5594 /* sraiq - sraiq. */
5595 static void gen_sraiq(DisasContext *ctx)
5596 {
5597 int sh = SH(ctx->opcode);
5598 TCGLabel *l1 = gen_new_label();
5599 TCGv t0 = tcg_temp_new();
5600 TCGv t1 = tcg_temp_new();
5601 tcg_gen_shri_tl(t0, cpu_gpr[rS(ctx->opcode)], sh);
5602 tcg_gen_shli_tl(t1, cpu_gpr[rS(ctx->opcode)], 32 - sh);
5603 tcg_gen_or_tl(t0, t0, t1);
5604 gen_store_spr(SPR_MQ, t0);
5605 tcg_gen_movi_tl(cpu_ca, 0);
5606 tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1);
5607 tcg_gen_brcondi_tl(TCG_COND_GE, cpu_gpr[rS(ctx->opcode)], 0, l1);
5608 tcg_gen_movi_tl(cpu_ca, 1);
5609 gen_set_label(l1);
5610 tcg_gen_sari_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], sh);
5611 tcg_temp_free(t0);
5612 tcg_temp_free(t1);
5613 if (unlikely(Rc(ctx->opcode) != 0)) {
5614 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5615 }
5616 }
5617
5618 /* sraq - sraq. */
5619 static void gen_sraq(DisasContext *ctx)
5620 {
5621 TCGLabel *l1 = gen_new_label();
5622 TCGLabel *l2 = gen_new_label();
5623 TCGv t0 = tcg_temp_new();
5624 TCGv t1 = tcg_temp_local_new();
5625 TCGv t2 = tcg_temp_local_new();
5626 tcg_gen_andi_tl(t2, cpu_gpr[rB(ctx->opcode)], 0x1F);
5627 tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t2);
5628 tcg_gen_sar_tl(t1, cpu_gpr[rS(ctx->opcode)], t2);
5629 tcg_gen_subfi_tl(t2, 32, t2);
5630 tcg_gen_shl_tl(t2, cpu_gpr[rS(ctx->opcode)], t2);
5631 tcg_gen_or_tl(t0, t0, t2);
5632 gen_store_spr(SPR_MQ, t0);
5633 tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x20);
5634 tcg_gen_brcondi_tl(TCG_COND_EQ, t2, 0, l1);
5635 tcg_gen_mov_tl(t2, cpu_gpr[rS(ctx->opcode)]);
5636 tcg_gen_sari_tl(t1, cpu_gpr[rS(ctx->opcode)], 31);
5637 gen_set_label(l1);
5638 tcg_temp_free(t0);
5639 tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t1);
5640 tcg_gen_movi_tl(cpu_ca, 0);
5641 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l2);
5642 tcg_gen_brcondi_tl(TCG_COND_EQ, t2, 0, l2);
5643 tcg_gen_movi_tl(cpu_ca, 1);
5644 gen_set_label(l2);
5645 tcg_temp_free(t1);
5646 tcg_temp_free(t2);
5647 if (unlikely(Rc(ctx->opcode) != 0)) {
5648 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5649 }
5650 }
5651
5652 /* sre - sre. */
5653 static void gen_sre(DisasContext *ctx)
5654 {
5655 TCGv t0 = tcg_temp_new();
5656 TCGv t1 = tcg_temp_new();
5657 tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F);
5658 tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t1);
5659 tcg_gen_subfi_tl(t1, 32, t1);
5660 tcg_gen_shl_tl(t1, cpu_gpr[rS(ctx->opcode)], t1);
5661 tcg_gen_or_tl(t1, t0, t1);
5662 tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
5663 gen_store_spr(SPR_MQ, t1);
5664 tcg_temp_free(t0);
5665 tcg_temp_free(t1);
5666 if (unlikely(Rc(ctx->opcode) != 0)) {
5667 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5668 }
5669 }
5670
5671 /* srea - srea. */
5672 static void gen_srea(DisasContext *ctx)
5673 {
5674 TCGv t0 = tcg_temp_new();
5675 TCGv t1 = tcg_temp_new();
5676 tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F);
5677 tcg_gen_rotr_tl(t0, cpu_gpr[rS(ctx->opcode)], t1);
5678 gen_store_spr(SPR_MQ, t0);
5679 tcg_gen_sar_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], t1);
5680 tcg_temp_free(t0);
5681 tcg_temp_free(t1);
5682 if (unlikely(Rc(ctx->opcode) != 0)) {
5683 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5684 }
5685 }
5686
5687 /* sreq */
5688 static void gen_sreq(DisasContext *ctx)
5689 {
5690 TCGv t0 = tcg_temp_new();
5691 TCGv t1 = tcg_temp_new();
5692 TCGv t2 = tcg_temp_new();
5693 tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F);
5694 tcg_gen_movi_tl(t1, 0xFFFFFFFF);
5695 tcg_gen_shr_tl(t1, t1, t0);
5696 tcg_gen_rotr_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
5697 gen_load_spr(t2, SPR_MQ);
5698 gen_store_spr(SPR_MQ, t0);
5699 tcg_gen_and_tl(t0, t0, t1);
5700 tcg_gen_andc_tl(t2, t2, t1);
5701 tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t2);
5702 tcg_temp_free(t0);
5703 tcg_temp_free(t1);
5704 tcg_temp_free(t2);
5705 if (unlikely(Rc(ctx->opcode) != 0)) {
5706 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5707 }
5708 }
5709
5710 /* sriq */
5711 static void gen_sriq(DisasContext *ctx)
5712 {
5713 int sh = SH(ctx->opcode);
5714 TCGv t0 = tcg_temp_new();
5715 TCGv t1 = tcg_temp_new();
5716 tcg_gen_shri_tl(t0, cpu_gpr[rS(ctx->opcode)], sh);
5717 tcg_gen_shli_tl(t1, cpu_gpr[rS(ctx->opcode)], 32 - sh);
5718 tcg_gen_or_tl(t1, t0, t1);
5719 tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
5720 gen_store_spr(SPR_MQ, t1);
5721 tcg_temp_free(t0);
5722 tcg_temp_free(t1);
5723 if (unlikely(Rc(ctx->opcode) != 0)) {
5724 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5725 }
5726 }
5727
5728 /* srliq */
5729 static void gen_srliq(DisasContext *ctx)
5730 {
5731 int sh = SH(ctx->opcode);
5732 TCGv t0 = tcg_temp_new();
5733 TCGv t1 = tcg_temp_new();
5734 tcg_gen_rotri_tl(t0, cpu_gpr[rS(ctx->opcode)], sh);
5735 gen_load_spr(t1, SPR_MQ);
5736 gen_store_spr(SPR_MQ, t0);
5737 tcg_gen_andi_tl(t0, t0, (0xFFFFFFFFU >> sh));
5738 tcg_gen_andi_tl(t1, t1, ~(0xFFFFFFFFU >> sh));
5739 tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
5740 tcg_temp_free(t0);
5741 tcg_temp_free(t1);
5742 if (unlikely(Rc(ctx->opcode) != 0)) {
5743 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5744 }
5745 }
5746
5747 /* srlq */
5748 static void gen_srlq(DisasContext *ctx)
5749 {
5750 TCGLabel *l1 = gen_new_label();
5751 TCGLabel *l2 = gen_new_label();
5752 TCGv t0 = tcg_temp_local_new();
5753 TCGv t1 = tcg_temp_local_new();
5754 TCGv t2 = tcg_temp_local_new();
5755 tcg_gen_andi_tl(t2, cpu_gpr[rB(ctx->opcode)], 0x1F);
5756 tcg_gen_movi_tl(t1, 0xFFFFFFFF);
5757 tcg_gen_shr_tl(t2, t1, t2);
5758 tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x20);
5759 tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1);
5760 gen_load_spr(t0, SPR_MQ);
5761 tcg_gen_and_tl(cpu_gpr[rA(ctx->opcode)], t0, t2);
5762 tcg_gen_br(l2);
5763 gen_set_label(l1);
5764 tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t2);
5765 tcg_gen_and_tl(t0, t0, t2);
5766 gen_load_spr(t1, SPR_MQ);
5767 tcg_gen_andc_tl(t1, t1, t2);
5768 tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
5769 gen_set_label(l2);
5770 tcg_temp_free(t0);
5771 tcg_temp_free(t1);
5772 tcg_temp_free(t2);
5773 if (unlikely(Rc(ctx->opcode) != 0)) {
5774 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5775 }
5776 }
5777
5778 /* srq */
5779 static void gen_srq(DisasContext *ctx)
5780 {
5781 TCGLabel *l1 = gen_new_label();
5782 TCGv t0 = tcg_temp_new();
5783 TCGv t1 = tcg_temp_new();
5784 tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F);
5785 tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t1);
5786 tcg_gen_subfi_tl(t1, 32, t1);
5787 tcg_gen_shl_tl(t1, cpu_gpr[rS(ctx->opcode)], t1);
5788 tcg_gen_or_tl(t1, t0, t1);
5789 gen_store_spr(SPR_MQ, t1);
5790 tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x20);
5791 tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
5792 tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1);
5793 tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0);
5794 gen_set_label(l1);
5795 tcg_temp_free(t0);
5796 tcg_temp_free(t1);
5797 if (unlikely(Rc(ctx->opcode) != 0)) {
5798 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5799 }
5800 }
5801
5802 /* PowerPC 602 specific instructions */
5803
5804 /* dsa */
5805 static void gen_dsa(DisasContext *ctx)
5806 {
5807 /* XXX: TODO */
5808 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
5809 }
5810
5811 /* esa */
5812 static void gen_esa(DisasContext *ctx)
5813 {
5814 /* XXX: TODO */
5815 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
5816 }
5817
5818 /* mfrom */
5819 static void gen_mfrom(DisasContext *ctx)
5820 {
5821 #if defined(CONFIG_USER_ONLY)
5822 GEN_PRIV;
5823 #else
5824 CHK_SV;
5825 gen_helper_602_mfrom(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
5826 #endif /* defined(CONFIG_USER_ONLY) */
5827 }
5828
5829 /* 602 - 603 - G2 TLB management */
5830
5831 /* tlbld */
5832 static void gen_tlbld_6xx(DisasContext *ctx)
5833 {
5834 #if defined(CONFIG_USER_ONLY)
5835 GEN_PRIV;
5836 #else
5837 CHK_SV;
5838 gen_helper_6xx_tlbd(cpu_env, cpu_gpr[rB(ctx->opcode)]);
5839 #endif /* defined(CONFIG_USER_ONLY) */
5840 }
5841
5842 /* tlbli */
5843 static void gen_tlbli_6xx(DisasContext *ctx)
5844 {
5845 #if defined(CONFIG_USER_ONLY)
5846 GEN_PRIV;
5847 #else
5848 CHK_SV;
5849 gen_helper_6xx_tlbi(cpu_env, cpu_gpr[rB(ctx->opcode)]);
5850 #endif /* defined(CONFIG_USER_ONLY) */
5851 }
5852
5853 /* 74xx TLB management */
5854
5855 /* tlbld */
5856 static void gen_tlbld_74xx(DisasContext *ctx)
5857 {
5858 #if defined(CONFIG_USER_ONLY)
5859 GEN_PRIV;
5860 #else
5861 CHK_SV;
5862 gen_helper_74xx_tlbd(cpu_env, cpu_gpr[rB(ctx->opcode)]);
5863 #endif /* defined(CONFIG_USER_ONLY) */
5864 }
5865
5866 /* tlbli */
5867 static void gen_tlbli_74xx(DisasContext *ctx)
5868 {
5869 #if defined(CONFIG_USER_ONLY)
5870 GEN_PRIV;
5871 #else
5872 CHK_SV;
5873 gen_helper_74xx_tlbi(cpu_env, cpu_gpr[rB(ctx->opcode)]);
5874 #endif /* defined(CONFIG_USER_ONLY) */
5875 }
5876
5877 /* POWER instructions not in PowerPC 601 */
5878
5879 /* clf */
5880 static void gen_clf(DisasContext *ctx)
5881 {
5882 /* Cache line flush: implemented as no-op */
5883 }
5884
5885 /* cli */
5886 static void gen_cli(DisasContext *ctx)
5887 {
5888 #if defined(CONFIG_USER_ONLY)
5889 GEN_PRIV;
5890 #else
5891 /* Cache line invalidate: privileged and treated as no-op */
5892 CHK_SV;
5893 #endif /* defined(CONFIG_USER_ONLY) */
5894 }
5895
5896 /* dclst */
5897 static void gen_dclst(DisasContext *ctx)
5898 {
5899 /* Data cache line store: treated as no-op */
5900 }
5901
5902 static void gen_mfsri(DisasContext *ctx)
5903 {
5904 #if defined(CONFIG_USER_ONLY)
5905 GEN_PRIV;
5906 #else
5907 int ra = rA(ctx->opcode);
5908 int rd = rD(ctx->opcode);
5909 TCGv t0;
5910
5911 CHK_SV;
5912 t0 = tcg_temp_new();
5913 gen_addr_reg_index(ctx, t0);
5914 tcg_gen_extract_tl(t0, t0, 28, 4);
5915 gen_helper_load_sr(cpu_gpr[rd], cpu_env, t0);
5916 tcg_temp_free(t0);
5917 if (ra != 0 && ra != rd) {
5918 tcg_gen_mov_tl(cpu_gpr[ra], cpu_gpr[rd]);
5919 }
5920 #endif /* defined(CONFIG_USER_ONLY) */
5921 }
5922
5923 static void gen_rac(DisasContext *ctx)
5924 {
5925 #if defined(CONFIG_USER_ONLY)
5926 GEN_PRIV;
5927 #else
5928 TCGv t0;
5929
5930 CHK_SV;
5931 t0 = tcg_temp_new();
5932 gen_addr_reg_index(ctx, t0);
5933 gen_helper_rac(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
5934 tcg_temp_free(t0);
5935 #endif /* defined(CONFIG_USER_ONLY) */
5936 }
5937
5938 static void gen_rfsvc(DisasContext *ctx)
5939 {
5940 #if defined(CONFIG_USER_ONLY)
5941 GEN_PRIV;
5942 #else
5943 CHK_SV;
5944
5945 gen_helper_rfsvc(cpu_env);
5946 gen_sync_exception(ctx);
5947 #endif /* defined(CONFIG_USER_ONLY) */
5948 }
5949
5950 /* svc is not implemented for now */
5951
5952 /* BookE specific instructions */
5953
5954 /* XXX: not implemented on 440 ? */
5955 static void gen_mfapidi(DisasContext *ctx)
5956 {
5957 /* XXX: TODO */
5958 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
5959 }
5960
5961 /* XXX: not implemented on 440 ? */
5962 static void gen_tlbiva(DisasContext *ctx)
5963 {
5964 #if defined(CONFIG_USER_ONLY)
5965 GEN_PRIV;
5966 #else
5967 TCGv t0;
5968
5969 CHK_SV;
5970 t0 = tcg_temp_new();
5971 gen_addr_reg_index(ctx, t0);
5972 gen_helper_tlbiva(cpu_env, cpu_gpr[rB(ctx->opcode)]);
5973 tcg_temp_free(t0);
5974 #endif /* defined(CONFIG_USER_ONLY) */
5975 }
5976
5977 /* All 405 MAC instructions are translated here */
5978 static inline void gen_405_mulladd_insn(DisasContext *ctx, int opc2, int opc3,
5979 int ra, int rb, int rt, int Rc)
5980 {
5981 TCGv t0, t1;
5982
5983 t0 = tcg_temp_local_new();
5984 t1 = tcg_temp_local_new();
5985
5986 switch (opc3 & 0x0D) {
5987 case 0x05:
5988 /* macchw - macchw. - macchwo - macchwo. */
5989 /* macchws - macchws. - macchwso - macchwso. */
5990 /* nmacchw - nmacchw. - nmacchwo - nmacchwo. */
5991 /* nmacchws - nmacchws. - nmacchwso - nmacchwso. */
5992 /* mulchw - mulchw. */
5993 tcg_gen_ext16s_tl(t0, cpu_gpr[ra]);
5994 tcg_gen_sari_tl(t1, cpu_gpr[rb], 16);
5995 tcg_gen_ext16s_tl(t1, t1);
5996 break;
5997 case 0x04:
5998 /* macchwu - macchwu. - macchwuo - macchwuo. */
5999 /* macchwsu - macchwsu. - macchwsuo - macchwsuo. */
6000 /* mulchwu - mulchwu. */
6001 tcg_gen_ext16u_tl(t0, cpu_gpr[ra]);
6002 tcg_gen_shri_tl(t1, cpu_gpr[rb], 16);
6003 tcg_gen_ext16u_tl(t1, t1);
6004 break;
6005 case 0x01:
6006 /* machhw - machhw. - machhwo - machhwo. */
6007 /* machhws - machhws. - machhwso - machhwso. */
6008 /* nmachhw - nmachhw. - nmachhwo - nmachhwo. */
6009 /* nmachhws - nmachhws. - nmachhwso - nmachhwso. */
6010 /* mulhhw - mulhhw. */
6011 tcg_gen_sari_tl(t0, cpu_gpr[ra], 16);
6012 tcg_gen_ext16s_tl(t0, t0);
6013 tcg_gen_sari_tl(t1, cpu_gpr[rb], 16);
6014 tcg_gen_ext16s_tl(t1, t1);
6015 break;
6016 case 0x00:
6017 /* machhwu - machhwu. - machhwuo - machhwuo. */
6018 /* machhwsu - machhwsu. - machhwsuo - machhwsuo. */
6019 /* mulhhwu - mulhhwu. */
6020 tcg_gen_shri_tl(t0, cpu_gpr[ra], 16);
6021 tcg_gen_ext16u_tl(t0, t0);
6022 tcg_gen_shri_tl(t1, cpu_gpr[rb], 16);
6023 tcg_gen_ext16u_tl(t1, t1);
6024 break;
6025 case 0x0D:
6026 /* maclhw - maclhw. - maclhwo - maclhwo. */
6027 /* maclhws - maclhws. - maclhwso - maclhwso. */
6028 /* nmaclhw - nmaclhw. - nmaclhwo - nmaclhwo. */
6029 /* nmaclhws - nmaclhws. - nmaclhwso - nmaclhwso. */
6030 /* mullhw - mullhw. */
6031 tcg_gen_ext16s_tl(t0, cpu_gpr[ra]);
6032 tcg_gen_ext16s_tl(t1, cpu_gpr[rb]);
6033 break;
6034 case 0x0C:
6035 /* maclhwu - maclhwu. - maclhwuo - maclhwuo. */
6036 /* maclhwsu - maclhwsu. - maclhwsuo - maclhwsuo. */
6037 /* mullhwu - mullhwu. */
6038 tcg_gen_ext16u_tl(t0, cpu_gpr[ra]);
6039 tcg_gen_ext16u_tl(t1, cpu_gpr[rb]);
6040 break;
6041 }
6042 if (opc2 & 0x04) {
6043 /* (n)multiply-and-accumulate (0x0C / 0x0E) */
6044 tcg_gen_mul_tl(t1, t0, t1);
6045 if (opc2 & 0x02) {
6046 /* nmultiply-and-accumulate (0x0E) */
6047 tcg_gen_sub_tl(t0, cpu_gpr[rt], t1);
6048 } else {
6049 /* multiply-and-accumulate (0x0C) */
6050 tcg_gen_add_tl(t0, cpu_gpr[rt], t1);
6051 }
6052
6053 if (opc3 & 0x12) {
6054 /* Check overflow and/or saturate */
6055 TCGLabel *l1 = gen_new_label();
6056
6057 if (opc3 & 0x10) {
6058 /* Start with XER OV disabled, the most likely case */
6059 tcg_gen_movi_tl(cpu_ov, 0);
6060 }
6061 if (opc3 & 0x01) {
6062 /* Signed */
6063 tcg_gen_xor_tl(t1, cpu_gpr[rt], t1);
6064 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1);
6065 tcg_gen_xor_tl(t1, cpu_gpr[rt], t0);
6066 tcg_gen_brcondi_tl(TCG_COND_LT, t1, 0, l1);
6067 if (opc3 & 0x02) {
6068 /* Saturate */
6069 tcg_gen_sari_tl(t0, cpu_gpr[rt], 31);
6070 tcg_gen_xori_tl(t0, t0, 0x7fffffff);
6071 }
6072 } else {
6073 /* Unsigned */
6074 tcg_gen_brcond_tl(TCG_COND_GEU, t0, t1, l1);
6075 if (opc3 & 0x02) {
6076 /* Saturate */
6077 tcg_gen_movi_tl(t0, UINT32_MAX);
6078 }
6079 }
6080 if (opc3 & 0x10) {
6081 /* Check overflow */
6082 tcg_gen_movi_tl(cpu_ov, 1);
6083 tcg_gen_movi_tl(cpu_so, 1);
6084 }
6085 gen_set_label(l1);
6086 tcg_gen_mov_tl(cpu_gpr[rt], t0);
6087 }
6088 } else {
6089 tcg_gen_mul_tl(cpu_gpr[rt], t0, t1);
6090 }
6091 tcg_temp_free(t0);
6092 tcg_temp_free(t1);
6093 if (unlikely(Rc) != 0) {
6094 /* Update Rc0 */
6095 gen_set_Rc0(ctx, cpu_gpr[rt]);
6096 }
6097 }
6098
6099 #define GEN_MAC_HANDLER(name, opc2, opc3) \
6100 static void glue(gen_, name)(DisasContext *ctx) \
6101 { \
6102 gen_405_mulladd_insn(ctx, opc2, opc3, rA(ctx->opcode), rB(ctx->opcode), \
6103 rD(ctx->opcode), Rc(ctx->opcode)); \
6104 }
6105
6106 /* macchw - macchw. */
6107 GEN_MAC_HANDLER(macchw, 0x0C, 0x05);
6108 /* macchwo - macchwo. */
6109 GEN_MAC_HANDLER(macchwo, 0x0C, 0x15);
6110 /* macchws - macchws. */
6111 GEN_MAC_HANDLER(macchws, 0x0C, 0x07);
6112 /* macchwso - macchwso. */
6113 GEN_MAC_HANDLER(macchwso, 0x0C, 0x17);
6114 /* macchwsu - macchwsu. */
6115 GEN_MAC_HANDLER(macchwsu, 0x0C, 0x06);
6116 /* macchwsuo - macchwsuo. */
6117 GEN_MAC_HANDLER(macchwsuo, 0x0C, 0x16);
6118 /* macchwu - macchwu. */
6119 GEN_MAC_HANDLER(macchwu, 0x0C, 0x04);
6120 /* macchwuo - macchwuo. */
6121 GEN_MAC_HANDLER(macchwuo, 0x0C, 0x14);
6122 /* machhw - machhw. */
6123 GEN_MAC_HANDLER(machhw, 0x0C, 0x01);
6124 /* machhwo - machhwo. */
6125 GEN_MAC_HANDLER(machhwo, 0x0C, 0x11);
6126 /* machhws - machhws. */
6127 GEN_MAC_HANDLER(machhws, 0x0C, 0x03);
6128 /* machhwso - machhwso. */
6129 GEN_MAC_HANDLER(machhwso, 0x0C, 0x13);
6130 /* machhwsu - machhwsu. */
6131 GEN_MAC_HANDLER(machhwsu, 0x0C, 0x02);
6132 /* machhwsuo - machhwsuo. */
6133 GEN_MAC_HANDLER(machhwsuo, 0x0C, 0x12);
6134 /* machhwu - machhwu. */
6135 GEN_MAC_HANDLER(machhwu, 0x0C, 0x00);
6136 /* machhwuo - machhwuo. */
6137 GEN_MAC_HANDLER(machhwuo, 0x0C, 0x10);
6138 /* maclhw - maclhw. */
6139 GEN_MAC_HANDLER(maclhw, 0x0C, 0x0D);
6140 /* maclhwo - maclhwo. */
6141 GEN_MAC_HANDLER(maclhwo, 0x0C, 0x1D);
6142 /* maclhws - maclhws. */
6143 GEN_MAC_HANDLER(maclhws, 0x0C, 0x0F);
6144 /* maclhwso - maclhwso. */
6145 GEN_MAC_HANDLER(maclhwso, 0x0C, 0x1F);
6146 /* maclhwu - maclhwu. */
6147 GEN_MAC_HANDLER(maclhwu, 0x0C, 0x0C);
6148 /* maclhwuo - maclhwuo. */
6149 GEN_MAC_HANDLER(maclhwuo, 0x0C, 0x1C);
6150 /* maclhwsu - maclhwsu. */
6151 GEN_MAC_HANDLER(maclhwsu, 0x0C, 0x0E);
6152 /* maclhwsuo - maclhwsuo. */
6153 GEN_MAC_HANDLER(maclhwsuo, 0x0C, 0x1E);
6154 /* nmacchw - nmacchw. */
6155 GEN_MAC_HANDLER(nmacchw, 0x0E, 0x05);
6156 /* nmacchwo - nmacchwo. */
6157 GEN_MAC_HANDLER(nmacchwo, 0x0E, 0x15);
6158 /* nmacchws - nmacchws. */
6159 GEN_MAC_HANDLER(nmacchws, 0x0E, 0x07);
6160 /* nmacchwso - nmacchwso. */
6161 GEN_MAC_HANDLER(nmacchwso, 0x0E, 0x17);
6162 /* nmachhw - nmachhw. */
6163 GEN_MAC_HANDLER(nmachhw, 0x0E, 0x01);
6164 /* nmachhwo - nmachhwo. */
6165 GEN_MAC_HANDLER(nmachhwo, 0x0E, 0x11);
6166 /* nmachhws - nmachhws. */
6167 GEN_MAC_HANDLER(nmachhws, 0x0E, 0x03);
6168 /* nmachhwso - nmachhwso. */
6169 GEN_MAC_HANDLER(nmachhwso, 0x0E, 0x13);
6170 /* nmaclhw - nmaclhw. */
6171 GEN_MAC_HANDLER(nmaclhw, 0x0E, 0x0D);
6172 /* nmaclhwo - nmaclhwo. */
6173 GEN_MAC_HANDLER(nmaclhwo, 0x0E, 0x1D);
6174 /* nmaclhws - nmaclhws. */
6175 GEN_MAC_HANDLER(nmaclhws, 0x0E, 0x0F);
6176 /* nmaclhwso - nmaclhwso. */
6177 GEN_MAC_HANDLER(nmaclhwso, 0x0E, 0x1F);
6178
6179 /* mulchw - mulchw. */
6180 GEN_MAC_HANDLER(mulchw, 0x08, 0x05);
6181 /* mulchwu - mulchwu. */
6182 GEN_MAC_HANDLER(mulchwu, 0x08, 0x04);
6183 /* mulhhw - mulhhw. */
6184 GEN_MAC_HANDLER(mulhhw, 0x08, 0x01);
6185 /* mulhhwu - mulhhwu. */
6186 GEN_MAC_HANDLER(mulhhwu, 0x08, 0x00);
6187 /* mullhw - mullhw. */
6188 GEN_MAC_HANDLER(mullhw, 0x08, 0x0D);
6189 /* mullhwu - mullhwu. */
6190 GEN_MAC_HANDLER(mullhwu, 0x08, 0x0C);
6191
6192 /* mfdcr */
6193 static void gen_mfdcr(DisasContext *ctx)
6194 {
6195 #if defined(CONFIG_USER_ONLY)
6196 GEN_PRIV;
6197 #else
6198 TCGv dcrn;
6199
6200 CHK_SV;
6201 dcrn = tcg_const_tl(SPR(ctx->opcode));
6202 gen_helper_load_dcr(cpu_gpr[rD(ctx->opcode)], cpu_env, dcrn);
6203 tcg_temp_free(dcrn);
6204 #endif /* defined(CONFIG_USER_ONLY) */
6205 }
6206
6207 /* mtdcr */
6208 static void gen_mtdcr(DisasContext *ctx)
6209 {
6210 #if defined(CONFIG_USER_ONLY)
6211 GEN_PRIV;
6212 #else
6213 TCGv dcrn;
6214
6215 CHK_SV;
6216 dcrn = tcg_const_tl(SPR(ctx->opcode));
6217 gen_helper_store_dcr(cpu_env, dcrn, cpu_gpr[rS(ctx->opcode)]);
6218 tcg_temp_free(dcrn);
6219 #endif /* defined(CONFIG_USER_ONLY) */
6220 }
6221
6222 /* mfdcrx */
6223 /* XXX: not implemented on 440 ? */
6224 static void gen_mfdcrx(DisasContext *ctx)
6225 {
6226 #if defined(CONFIG_USER_ONLY)
6227 GEN_PRIV;
6228 #else
6229 CHK_SV;
6230 gen_helper_load_dcr(cpu_gpr[rD(ctx->opcode)], cpu_env,
6231 cpu_gpr[rA(ctx->opcode)]);
6232 /* Note: Rc update flag set leads to undefined state of Rc0 */
6233 #endif /* defined(CONFIG_USER_ONLY) */
6234 }
6235
6236 /* mtdcrx */
6237 /* XXX: not implemented on 440 ? */
6238 static void gen_mtdcrx(DisasContext *ctx)
6239 {
6240 #if defined(CONFIG_USER_ONLY)
6241 GEN_PRIV;
6242 #else
6243 CHK_SV;
6244 gen_helper_store_dcr(cpu_env, cpu_gpr[rA(ctx->opcode)],
6245 cpu_gpr[rS(ctx->opcode)]);
6246 /* Note: Rc update flag set leads to undefined state of Rc0 */
6247 #endif /* defined(CONFIG_USER_ONLY) */
6248 }
6249
6250 /* mfdcrux (PPC 460) : user-mode access to DCR */
6251 static void gen_mfdcrux(DisasContext *ctx)
6252 {
6253 gen_helper_load_dcr(cpu_gpr[rD(ctx->opcode)], cpu_env,
6254 cpu_gpr[rA(ctx->opcode)]);
6255 /* Note: Rc update flag set leads to undefined state of Rc0 */
6256 }
6257
6258 /* mtdcrux (PPC 460) : user-mode access to DCR */
6259 static void gen_mtdcrux(DisasContext *ctx)
6260 {
6261 gen_helper_store_dcr(cpu_env, cpu_gpr[rA(ctx->opcode)],
6262 cpu_gpr[rS(ctx->opcode)]);
6263 /* Note: Rc update flag set leads to undefined state of Rc0 */
6264 }
6265
6266 /* dccci */
6267 static void gen_dccci(DisasContext *ctx)
6268 {
6269 CHK_SV;
6270 /* interpreted as no-op */
6271 }
6272
6273 /* dcread */
6274 static void gen_dcread(DisasContext *ctx)
6275 {
6276 #if defined(CONFIG_USER_ONLY)
6277 GEN_PRIV;
6278 #else
6279 TCGv EA, val;
6280
6281 CHK_SV;
6282 gen_set_access_type(ctx, ACCESS_CACHE);
6283 EA = tcg_temp_new();
6284 gen_addr_reg_index(ctx, EA);
6285 val = tcg_temp_new();
6286 gen_qemu_ld32u(ctx, val, EA);
6287 tcg_temp_free(val);
6288 tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], EA);
6289 tcg_temp_free(EA);
6290 #endif /* defined(CONFIG_USER_ONLY) */
6291 }
6292
6293 /* icbt */
6294 static void gen_icbt_40x(DisasContext *ctx)
6295 {
6296 /*
6297 * interpreted as no-op
6298 * XXX: specification say this is treated as a load by the MMU but
6299 * does not generate any exception
6300 */
6301 }
6302
6303 /* iccci */
6304 static void gen_iccci(DisasContext *ctx)
6305 {
6306 CHK_SV;
6307 /* interpreted as no-op */
6308 }
6309
6310 /* icread */
6311 static void gen_icread(DisasContext *ctx)
6312 {
6313 CHK_SV;
6314 /* interpreted as no-op */
6315 }
6316
6317 /* rfci (supervisor only) */
6318 static void gen_rfci_40x(DisasContext *ctx)
6319 {
6320 #if defined(CONFIG_USER_ONLY)
6321 GEN_PRIV;
6322 #else
6323 CHK_SV;
6324 /* Restore CPU state */
6325 gen_helper_40x_rfci(cpu_env);
6326 gen_sync_exception(ctx);
6327 #endif /* defined(CONFIG_USER_ONLY) */
6328 }
6329
6330 static void gen_rfci(DisasContext *ctx)
6331 {
6332 #if defined(CONFIG_USER_ONLY)
6333 GEN_PRIV;
6334 #else
6335 CHK_SV;
6336 /* Restore CPU state */
6337 gen_helper_rfci(cpu_env);
6338 gen_sync_exception(ctx);
6339 #endif /* defined(CONFIG_USER_ONLY) */
6340 }
6341
6342 /* BookE specific */
6343
6344 /* XXX: not implemented on 440 ? */
6345 static void gen_rfdi(DisasContext *ctx)
6346 {
6347 #if defined(CONFIG_USER_ONLY)
6348 GEN_PRIV;
6349 #else
6350 CHK_SV;
6351 /* Restore CPU state */
6352 gen_helper_rfdi(cpu_env);
6353 gen_sync_exception(ctx);
6354 #endif /* defined(CONFIG_USER_ONLY) */
6355 }
6356
6357 /* XXX: not implemented on 440 ? */
6358 static void gen_rfmci(DisasContext *ctx)
6359 {
6360 #if defined(CONFIG_USER_ONLY)
6361 GEN_PRIV;
6362 #else
6363 CHK_SV;
6364 /* Restore CPU state */
6365 gen_helper_rfmci(cpu_env);
6366 gen_sync_exception(ctx);
6367 #endif /* defined(CONFIG_USER_ONLY) */
6368 }
6369
6370 /* TLB management - PowerPC 405 implementation */
6371
6372 /* tlbre */
6373 static void gen_tlbre_40x(DisasContext *ctx)
6374 {
6375 #if defined(CONFIG_USER_ONLY)
6376 GEN_PRIV;
6377 #else
6378 CHK_SV;
6379 switch (rB(ctx->opcode)) {
6380 case 0:
6381 gen_helper_4xx_tlbre_hi(cpu_gpr[rD(ctx->opcode)], cpu_env,
6382 cpu_gpr[rA(ctx->opcode)]);
6383 break;
6384 case 1:
6385 gen_helper_4xx_tlbre_lo(cpu_gpr[rD(ctx->opcode)], cpu_env,
6386 cpu_gpr[rA(ctx->opcode)]);
6387 break;
6388 default:
6389 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
6390 break;
6391 }
6392 #endif /* defined(CONFIG_USER_ONLY) */
6393 }
6394
6395 /* tlbsx - tlbsx. */
6396 static void gen_tlbsx_40x(DisasContext *ctx)
6397 {
6398 #if defined(CONFIG_USER_ONLY)
6399 GEN_PRIV;
6400 #else
6401 TCGv t0;
6402
6403 CHK_SV;
6404 t0 = tcg_temp_new();
6405 gen_addr_reg_index(ctx, t0);
6406 gen_helper_4xx_tlbsx(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
6407 tcg_temp_free(t0);
6408 if (Rc(ctx->opcode)) {
6409 TCGLabel *l1 = gen_new_label();
6410 tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so);
6411 tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[rD(ctx->opcode)], -1, l1);
6412 tcg_gen_ori_i32(cpu_crf[0], cpu_crf[0], 0x02);
6413 gen_set_label(l1);
6414 }
6415 #endif /* defined(CONFIG_USER_ONLY) */
6416 }
6417
6418 /* tlbwe */
6419 static void gen_tlbwe_40x(DisasContext *ctx)
6420 {
6421 #if defined(CONFIG_USER_ONLY)
6422 GEN_PRIV;
6423 #else
6424 CHK_SV;
6425
6426 switch (rB(ctx->opcode)) {
6427 case 0:
6428 gen_helper_4xx_tlbwe_hi(cpu_env, cpu_gpr[rA(ctx->opcode)],
6429 cpu_gpr[rS(ctx->opcode)]);
6430 break;
6431 case 1:
6432 gen_helper_4xx_tlbwe_lo(cpu_env, cpu_gpr[rA(ctx->opcode)],
6433 cpu_gpr[rS(ctx->opcode)]);
6434 break;
6435 default:
6436 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
6437 break;
6438 }
6439 #endif /* defined(CONFIG_USER_ONLY) */
6440 }
6441
6442 /* TLB management - PowerPC 440 implementation */
6443
6444 /* tlbre */
6445 static void gen_tlbre_440(DisasContext *ctx)
6446 {
6447 #if defined(CONFIG_USER_ONLY)
6448 GEN_PRIV;
6449 #else
6450 CHK_SV;
6451
6452 switch (rB(ctx->opcode)) {
6453 case 0:
6454 case 1:
6455 case 2:
6456 {
6457 TCGv_i32 t0 = tcg_const_i32(rB(ctx->opcode));
6458 gen_helper_440_tlbre(cpu_gpr[rD(ctx->opcode)], cpu_env,
6459 t0, cpu_gpr[rA(ctx->opcode)]);
6460 tcg_temp_free_i32(t0);
6461 }
6462 break;
6463 default:
6464 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
6465 break;
6466 }
6467 #endif /* defined(CONFIG_USER_ONLY) */
6468 }
6469
6470 /* tlbsx - tlbsx. */
6471 static void gen_tlbsx_440(DisasContext *ctx)
6472 {
6473 #if defined(CONFIG_USER_ONLY)
6474 GEN_PRIV;
6475 #else
6476 TCGv t0;
6477
6478 CHK_SV;
6479 t0 = tcg_temp_new();
6480 gen_addr_reg_index(ctx, t0);
6481 gen_helper_440_tlbsx(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
6482 tcg_temp_free(t0);
6483 if (Rc(ctx->opcode)) {
6484 TCGLabel *l1 = gen_new_label();
6485 tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so);
6486 tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[rD(ctx->opcode)], -1, l1);
6487 tcg_gen_ori_i32(cpu_crf[0], cpu_crf[0], 0x02);
6488 gen_set_label(l1);
6489 }
6490 #endif /* defined(CONFIG_USER_ONLY) */
6491 }
6492
6493 /* tlbwe */
6494 static void gen_tlbwe_440(DisasContext *ctx)
6495 {
6496 #if defined(CONFIG_USER_ONLY)
6497 GEN_PRIV;
6498 #else
6499 CHK_SV;
6500 switch (rB(ctx->opcode)) {
6501 case 0:
6502 case 1:
6503 case 2:
6504 {
6505 TCGv_i32 t0 = tcg_const_i32(rB(ctx->opcode));
6506 gen_helper_440_tlbwe(cpu_env, t0, cpu_gpr[rA(ctx->opcode)],
6507 cpu_gpr[rS(ctx->opcode)]);
6508 tcg_temp_free_i32(t0);
6509 }
6510 break;
6511 default:
6512 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
6513 break;
6514 }
6515 #endif /* defined(CONFIG_USER_ONLY) */
6516 }
6517
6518 /* TLB management - PowerPC BookE 2.06 implementation */
6519
6520 /* tlbre */
6521 static void gen_tlbre_booke206(DisasContext *ctx)
6522 {
6523 #if defined(CONFIG_USER_ONLY)
6524 GEN_PRIV;
6525 #else
6526 CHK_SV;
6527 gen_helper_booke206_tlbre(cpu_env);
6528 #endif /* defined(CONFIG_USER_ONLY) */
6529 }
6530
6531 /* tlbsx - tlbsx. */
6532 static void gen_tlbsx_booke206(DisasContext *ctx)
6533 {
6534 #if defined(CONFIG_USER_ONLY)
6535 GEN_PRIV;
6536 #else
6537 TCGv t0;
6538
6539 CHK_SV;
6540 if (rA(ctx->opcode)) {
6541 t0 = tcg_temp_new();
6542 tcg_gen_mov_tl(t0, cpu_gpr[rD(ctx->opcode)]);
6543 } else {
6544 t0 = tcg_const_tl(0);
6545 }
6546
6547 tcg_gen_add_tl(t0, t0, cpu_gpr[rB(ctx->opcode)]);
6548 gen_helper_booke206_tlbsx(cpu_env, t0);
6549 tcg_temp_free(t0);
6550 #endif /* defined(CONFIG_USER_ONLY) */
6551 }
6552
6553 /* tlbwe */
6554 static void gen_tlbwe_booke206(DisasContext *ctx)
6555 {
6556 #if defined(CONFIG_USER_ONLY)
6557 GEN_PRIV;
6558 #else
6559 CHK_SV;
6560 gen_helper_booke206_tlbwe(cpu_env);
6561 #endif /* defined(CONFIG_USER_ONLY) */
6562 }
6563
6564 static void gen_tlbivax_booke206(DisasContext *ctx)
6565 {
6566 #if defined(CONFIG_USER_ONLY)
6567 GEN_PRIV;
6568 #else
6569 TCGv t0;
6570
6571 CHK_SV;
6572 t0 = tcg_temp_new();
6573 gen_addr_reg_index(ctx, t0);
6574 gen_helper_booke206_tlbivax(cpu_env, t0);
6575 tcg_temp_free(t0);
6576 #endif /* defined(CONFIG_USER_ONLY) */
6577 }
6578
6579 static void gen_tlbilx_booke206(DisasContext *ctx)
6580 {
6581 #if defined(CONFIG_USER_ONLY)
6582 GEN_PRIV;
6583 #else
6584 TCGv t0;
6585
6586 CHK_SV;
6587 t0 = tcg_temp_new();
6588 gen_addr_reg_index(ctx, t0);
6589
6590 switch ((ctx->opcode >> 21) & 0x3) {
6591 case 0:
6592 gen_helper_booke206_tlbilx0(cpu_env, t0);
6593 break;
6594 case 1:
6595 gen_helper_booke206_tlbilx1(cpu_env, t0);
6596 break;
6597 case 3:
6598 gen_helper_booke206_tlbilx3(cpu_env, t0);
6599 break;
6600 default:
6601 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
6602 break;
6603 }
6604
6605 tcg_temp_free(t0);
6606 #endif /* defined(CONFIG_USER_ONLY) */
6607 }
6608
6609
6610 /* wrtee */
6611 static void gen_wrtee(DisasContext *ctx)
6612 {
6613 #if defined(CONFIG_USER_ONLY)
6614 GEN_PRIV;
6615 #else
6616 TCGv t0;
6617
6618 CHK_SV;
6619 t0 = tcg_temp_new();
6620 tcg_gen_andi_tl(t0, cpu_gpr[rD(ctx->opcode)], (1 << MSR_EE));
6621 tcg_gen_andi_tl(cpu_msr, cpu_msr, ~(1 << MSR_EE));
6622 tcg_gen_or_tl(cpu_msr, cpu_msr, t0);
6623 tcg_temp_free(t0);
6624 /*
6625 * Stop translation to have a chance to raise an exception if we
6626 * just set msr_ee to 1
6627 */
6628 gen_stop_exception(ctx);
6629 #endif /* defined(CONFIG_USER_ONLY) */
6630 }
6631
6632 /* wrteei */
6633 static void gen_wrteei(DisasContext *ctx)
6634 {
6635 #if defined(CONFIG_USER_ONLY)
6636 GEN_PRIV;
6637 #else
6638 CHK_SV;
6639 if (ctx->opcode & 0x00008000) {
6640 tcg_gen_ori_tl(cpu_msr, cpu_msr, (1 << MSR_EE));
6641 /* Stop translation to have a chance to raise an exception */
6642 gen_stop_exception(ctx);
6643 } else {
6644 tcg_gen_andi_tl(cpu_msr, cpu_msr, ~(1 << MSR_EE));
6645 }
6646 #endif /* defined(CONFIG_USER_ONLY) */
6647 }
6648
6649 /* PowerPC 440 specific instructions */
6650
6651 /* dlmzb */
6652 static void gen_dlmzb(DisasContext *ctx)
6653 {
6654 TCGv_i32 t0 = tcg_const_i32(Rc(ctx->opcode));
6655 gen_helper_dlmzb(cpu_gpr[rA(ctx->opcode)], cpu_env,
6656 cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], t0);
6657 tcg_temp_free_i32(t0);
6658 }
6659
6660 /* mbar replaces eieio on 440 */
6661 static void gen_mbar(DisasContext *ctx)
6662 {
6663 /* interpreted as no-op */
6664 }
6665
6666 /* msync replaces sync on 440 */
6667 static void gen_msync_4xx(DisasContext *ctx)
6668 {
6669 /* Only e500 seems to treat reserved bits as invalid */
6670 if ((ctx->insns_flags2 & PPC2_BOOKE206) &&
6671 (ctx->opcode & 0x03FFF801)) {
6672 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
6673 }
6674 /* otherwise interpreted as no-op */
6675 }
6676
6677 /* icbt */
6678 static void gen_icbt_440(DisasContext *ctx)
6679 {
6680 /*
6681 * interpreted as no-op
6682 * XXX: specification say this is treated as a load by the MMU but
6683 * does not generate any exception
6684 */
6685 }
6686
6687 /* Embedded.Processor Control */
6688
6689 static void gen_msgclr(DisasContext *ctx)
6690 {
6691 #if defined(CONFIG_USER_ONLY)
6692 GEN_PRIV;
6693 #else
6694 CHK_HV;
6695 if (is_book3s_arch2x(ctx)) {
6696 gen_helper_book3s_msgclr(cpu_env, cpu_gpr[rB(ctx->opcode)]);
6697 } else {
6698 gen_helper_msgclr(cpu_env, cpu_gpr[rB(ctx->opcode)]);
6699 }
6700 #endif /* defined(CONFIG_USER_ONLY) */
6701 }
6702
6703 static void gen_msgsnd(DisasContext *ctx)
6704 {
6705 #if defined(CONFIG_USER_ONLY)
6706 GEN_PRIV;
6707 #else
6708 CHK_HV;
6709 if (is_book3s_arch2x(ctx)) {
6710 gen_helper_book3s_msgsnd(cpu_gpr[rB(ctx->opcode)]);
6711 } else {
6712 gen_helper_msgsnd(cpu_gpr[rB(ctx->opcode)]);
6713 }
6714 #endif /* defined(CONFIG_USER_ONLY) */
6715 }
6716
6717 #if defined(TARGET_PPC64)
6718 static void gen_msgclrp(DisasContext *ctx)
6719 {
6720 #if defined(CONFIG_USER_ONLY)
6721 GEN_PRIV;
6722 #else
6723 CHK_SV;
6724 gen_helper_book3s_msgclrp(cpu_env, cpu_gpr[rB(ctx->opcode)]);
6725 #endif /* defined(CONFIG_USER_ONLY) */
6726 }
6727
6728 static void gen_msgsndp(DisasContext *ctx)
6729 {
6730 #if defined(CONFIG_USER_ONLY)
6731 GEN_PRIV;
6732 #else
6733 CHK_SV;
6734 gen_helper_book3s_msgsndp(cpu_env, cpu_gpr[rB(ctx->opcode)]);
6735 #endif /* defined(CONFIG_USER_ONLY) */
6736 }
6737 #endif
6738
6739 static void gen_msgsync(DisasContext *ctx)
6740 {
6741 #if defined(CONFIG_USER_ONLY)
6742 GEN_PRIV;
6743 #else
6744 CHK_HV;
6745 #endif /* defined(CONFIG_USER_ONLY) */
6746 /* interpreted as no-op */
6747 }
6748
6749 #if defined(TARGET_PPC64)
6750 static void gen_maddld(DisasContext *ctx)
6751 {
6752 TCGv_i64 t1 = tcg_temp_new_i64();
6753
6754 tcg_gen_mul_i64(t1, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
6755 tcg_gen_add_i64(cpu_gpr[rD(ctx->opcode)], t1, cpu_gpr[rC(ctx->opcode)]);
6756 tcg_temp_free_i64(t1);
6757 }
6758
6759 /* maddhd maddhdu */
6760 static void gen_maddhd_maddhdu(DisasContext *ctx)
6761 {
6762 TCGv_i64 lo = tcg_temp_new_i64();
6763 TCGv_i64 hi = tcg_temp_new_i64();
6764 TCGv_i64 t1 = tcg_temp_new_i64();
6765
6766 if (Rc(ctx->opcode)) {
6767 tcg_gen_mulu2_i64(lo, hi, cpu_gpr[rA(ctx->opcode)],
6768 cpu_gpr[rB(ctx->opcode)]);
6769 tcg_gen_movi_i64(t1, 0);
6770 } else {
6771 tcg_gen_muls2_i64(lo, hi, cpu_gpr[rA(ctx->opcode)],
6772 cpu_gpr[rB(ctx->opcode)]);
6773 tcg_gen_sari_i64(t1, cpu_gpr[rC(ctx->opcode)], 63);
6774 }
6775 tcg_gen_add2_i64(t1, cpu_gpr[rD(ctx->opcode)], lo, hi,
6776 cpu_gpr[rC(ctx->opcode)], t1);
6777 tcg_temp_free_i64(lo);
6778 tcg_temp_free_i64(hi);
6779 tcg_temp_free_i64(t1);
6780 }
6781 #endif /* defined(TARGET_PPC64) */
6782
6783 static void gen_tbegin(DisasContext *ctx)
6784 {
6785 if (unlikely(!ctx->tm_enabled)) {
6786 gen_exception_err(ctx, POWERPC_EXCP_FU, FSCR_IC_TM);
6787 return;
6788 }
6789 gen_helper_tbegin(cpu_env);
6790 }
6791
6792 #define GEN_TM_NOOP(name) \
6793 static inline void gen_##name(DisasContext *ctx) \
6794 { \
6795 if (unlikely(!ctx->tm_enabled)) { \
6796 gen_exception_err(ctx, POWERPC_EXCP_FU, FSCR_IC_TM); \
6797 return; \
6798 } \
6799 /* \
6800 * Because tbegin always fails in QEMU, these user \
6801 * space instructions all have a simple implementation: \
6802 * \
6803 * CR[0] = 0b0 || MSR[TS] || 0b0 \
6804 * = 0b0 || 0b00 || 0b0 \
6805 */ \
6806 tcg_gen_movi_i32(cpu_crf[0], 0); \
6807 }
6808
6809 GEN_TM_NOOP(tend);
6810 GEN_TM_NOOP(tabort);
6811 GEN_TM_NOOP(tabortwc);
6812 GEN_TM_NOOP(tabortwci);
6813 GEN_TM_NOOP(tabortdc);
6814 GEN_TM_NOOP(tabortdci);
6815 GEN_TM_NOOP(tsr);
6816
6817 static inline void gen_cp_abort(DisasContext *ctx)
6818 {
6819 /* Do Nothing */
6820 }
6821
6822 #define GEN_CP_PASTE_NOOP(name) \
6823 static inline void gen_##name(DisasContext *ctx) \
6824 { \
6825 /* \
6826 * Generate invalid exception until we have an \
6827 * implementation of the copy paste facility \
6828 */ \
6829 gen_invalid(ctx); \
6830 }
6831
6832 GEN_CP_PASTE_NOOP(copy)
6833 GEN_CP_PASTE_NOOP(paste)
6834
6835 static void gen_tcheck(DisasContext *ctx)
6836 {
6837 if (unlikely(!ctx->tm_enabled)) {
6838 gen_exception_err(ctx, POWERPC_EXCP_FU, FSCR_IC_TM);
6839 return;
6840 }
6841 /*
6842 * Because tbegin always fails, the tcheck implementation is
6843 * simple:
6844 *
6845 * CR[CRF] = TDOOMED || MSR[TS] || 0b0
6846 * = 0b1 || 0b00 || 0b0
6847 */
6848 tcg_gen_movi_i32(cpu_crf[crfD(ctx->opcode)], 0x8);
6849 }
6850
6851 #if defined(CONFIG_USER_ONLY)
6852 #define GEN_TM_PRIV_NOOP(name) \
6853 static inline void gen_##name(DisasContext *ctx) \
6854 { \
6855 gen_priv_exception(ctx, POWERPC_EXCP_PRIV_OPC); \
6856 }
6857
6858 #else
6859
6860 #define GEN_TM_PRIV_NOOP(name) \
6861 static inline void gen_##name(DisasContext *ctx) \
6862 { \
6863 CHK_SV; \
6864 if (unlikely(!ctx->tm_enabled)) { \
6865 gen_exception_err(ctx, POWERPC_EXCP_FU, FSCR_IC_TM); \
6866 return; \
6867 } \
6868 /* \
6869 * Because tbegin always fails, the implementation is \
6870 * simple: \
6871 * \
6872 * CR[0] = 0b0 || MSR[TS] || 0b0 \
6873 * = 0b0 || 0b00 | 0b0 \
6874 */ \
6875 tcg_gen_movi_i32(cpu_crf[0], 0); \
6876 }
6877
6878 #endif
6879
6880 GEN_TM_PRIV_NOOP(treclaim);
6881 GEN_TM_PRIV_NOOP(trechkpt);
6882
6883 static inline void get_fpr(TCGv_i64 dst, int regno)
6884 {
6885 tcg_gen_ld_i64(dst, cpu_env, fpr_offset(regno));
6886 }
6887
6888 static inline void set_fpr(int regno, TCGv_i64 src)
6889 {
6890 tcg_gen_st_i64(src, cpu_env, fpr_offset(regno));
6891 }
6892
6893 static inline void get_avr64(TCGv_i64 dst, int regno, bool high)
6894 {
6895 tcg_gen_ld_i64(dst, cpu_env, avr64_offset(regno, high));
6896 }
6897
6898 static inline void set_avr64(int regno, TCGv_i64 src, bool high)
6899 {
6900 tcg_gen_st_i64(src, cpu_env, avr64_offset(regno, high));
6901 }
6902
6903 #include "translate/fp-impl.c.inc"
6904
6905 #include "translate/vmx-impl.c.inc"
6906
6907 #include "translate/vsx-impl.c.inc"
6908
6909 #include "translate/dfp-impl.c.inc"
6910
6911 #include "translate/spe-impl.c.inc"
6912
6913 /* Handles lfdp, lxsd, lxssp */
6914 static void gen_dform39(DisasContext *ctx)
6915 {
6916 switch (ctx->opcode & 0x3) {
6917 case 0: /* lfdp */
6918 if (ctx->insns_flags2 & PPC2_ISA205) {
6919 return gen_lfdp(ctx);
6920 }
6921 break;
6922 case 2: /* lxsd */
6923 if (ctx->insns_flags2 & PPC2_ISA300) {
6924 return gen_lxsd(ctx);
6925 }
6926 break;
6927 case 3: /* lxssp */
6928 if (ctx->insns_flags2 & PPC2_ISA300) {
6929 return gen_lxssp(ctx);
6930 }
6931 break;
6932 }
6933 return gen_invalid(ctx);
6934 }
6935
6936 /* handles stfdp, lxv, stxsd, stxssp lxvx */
6937 static void gen_dform3D(DisasContext *ctx)
6938 {
6939 if ((ctx->opcode & 3) == 1) { /* DQ-FORM */
6940 switch (ctx->opcode & 0x7) {
6941 case 1: /* lxv */
6942 if (ctx->insns_flags2 & PPC2_ISA300) {
6943 return gen_lxv(ctx);
6944 }
6945 break;
6946 case 5: /* stxv */
6947 if (ctx->insns_flags2 & PPC2_ISA300) {
6948 return gen_stxv(ctx);
6949 }
6950 break;
6951 }
6952 } else { /* DS-FORM */
6953 switch (ctx->opcode & 0x3) {
6954 case 0: /* stfdp */
6955 if (ctx->insns_flags2 & PPC2_ISA205) {
6956 return gen_stfdp(ctx);
6957 }
6958 break;
6959 case 2: /* stxsd */
6960 if (ctx->insns_flags2 & PPC2_ISA300) {
6961 return gen_stxsd(ctx);
6962 }
6963 break;
6964 case 3: /* stxssp */
6965 if (ctx->insns_flags2 & PPC2_ISA300) {
6966 return gen_stxssp(ctx);
6967 }
6968 break;
6969 }
6970 }
6971 return gen_invalid(ctx);
6972 }
6973
6974 #if defined(TARGET_PPC64)
6975 /* brd */
6976 static void gen_brd(DisasContext *ctx)
6977 {
6978 tcg_gen_bswap64_i64(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);
6979 }
6980
6981 /* brw */
6982 static void gen_brw(DisasContext *ctx)
6983 {
6984 tcg_gen_bswap64_i64(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);
6985 tcg_gen_rotli_i64(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], 32);
6986
6987 }
6988
6989 /* brh */
6990 static void gen_brh(DisasContext *ctx)
6991 {
6992 TCGv_i64 t0 = tcg_temp_new_i64();
6993 TCGv_i64 t1 = tcg_temp_new_i64();
6994 TCGv_i64 t2 = tcg_temp_new_i64();
6995
6996 tcg_gen_movi_i64(t0, 0x00ff00ff00ff00ffull);
6997 tcg_gen_shri_i64(t1, cpu_gpr[rS(ctx->opcode)], 8);
6998 tcg_gen_and_i64(t2, t1, t0);
6999 tcg_gen_and_i64(t1, cpu_gpr[rS(ctx->opcode)], t0);
7000 tcg_gen_shli_i64(t1, t1, 8);
7001 tcg_gen_or_i64(cpu_gpr[rA(ctx->opcode)], t1, t2);
7002
7003 tcg_temp_free_i64(t0);
7004 tcg_temp_free_i64(t1);
7005 tcg_temp_free_i64(t2);
7006 }
7007 #endif
7008
7009 static opcode_t opcodes[] = {
7010 #if defined(TARGET_PPC64)
7011 GEN_HANDLER_E(brd, 0x1F, 0x1B, 0x05, 0x0000F801, PPC_NONE, PPC2_ISA310),
7012 GEN_HANDLER_E(brw, 0x1F, 0x1B, 0x04, 0x0000F801, PPC_NONE, PPC2_ISA310),
7013 GEN_HANDLER_E(brh, 0x1F, 0x1B, 0x06, 0x0000F801, PPC_NONE, PPC2_ISA310),
7014 #endif
7015 GEN_HANDLER(invalid, 0x00, 0x00, 0x00, 0xFFFFFFFF, PPC_NONE),
7016 GEN_HANDLER(cmp, 0x1F, 0x00, 0x00, 0x00400000, PPC_INTEGER),
7017 GEN_HANDLER(cmpi, 0x0B, 0xFF, 0xFF, 0x00400000, PPC_INTEGER),
7018 GEN_HANDLER(cmpl, 0x1F, 0x00, 0x01, 0x00400001, PPC_INTEGER),
7019 GEN_HANDLER(cmpli, 0x0A, 0xFF, 0xFF, 0x00400000, PPC_INTEGER),
7020 #if defined(TARGET_PPC64)
7021 GEN_HANDLER_E(cmpeqb, 0x1F, 0x00, 0x07, 0x00600000, PPC_NONE, PPC2_ISA300),
7022 #endif
7023 GEN_HANDLER_E(cmpb, 0x1F, 0x1C, 0x0F, 0x00000001, PPC_NONE, PPC2_ISA205),
7024 GEN_HANDLER_E(cmprb, 0x1F, 0x00, 0x06, 0x00400001, PPC_NONE, PPC2_ISA300),
7025 GEN_HANDLER(isel, 0x1F, 0x0F, 0xFF, 0x00000001, PPC_ISEL),
7026 GEN_HANDLER(addi, 0x0E, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
7027 GEN_HANDLER(addic, 0x0C, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
7028 GEN_HANDLER2(addic_, "addic.", 0x0D, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
7029 GEN_HANDLER(addis, 0x0F, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
7030 GEN_HANDLER_E(addpcis, 0x13, 0x2, 0xFF, 0x00000000, PPC_NONE, PPC2_ISA300),
7031 GEN_HANDLER(mulhw, 0x1F, 0x0B, 0x02, 0x00000400, PPC_INTEGER),
7032 GEN_HANDLER(mulhwu, 0x1F, 0x0B, 0x00, 0x00000400, PPC_INTEGER),
7033 GEN_HANDLER(mullw, 0x1F, 0x0B, 0x07, 0x00000000, PPC_INTEGER),
7034 GEN_HANDLER(mullwo, 0x1F, 0x0B, 0x17, 0x00000000, PPC_INTEGER),
7035 GEN_HANDLER(mulli, 0x07, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
7036 #if defined(TARGET_PPC64)
7037 GEN_HANDLER(mulld, 0x1F, 0x09, 0x07, 0x00000000, PPC_64B),
7038 #endif
7039 GEN_HANDLER(neg, 0x1F, 0x08, 0x03, 0x0000F800, PPC_INTEGER),
7040 GEN_HANDLER(nego, 0x1F, 0x08, 0x13, 0x0000F800, PPC_INTEGER),
7041 GEN_HANDLER(subfic, 0x08, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
7042 GEN_HANDLER2(andi_, "andi.", 0x1C, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
7043 GEN_HANDLER2(andis_, "andis.", 0x1D, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
7044 GEN_HANDLER(cntlzw, 0x1F, 0x1A, 0x00, 0x00000000, PPC_INTEGER),
7045 GEN_HANDLER_E(cnttzw, 0x1F, 0x1A, 0x10, 0x00000000, PPC_NONE, PPC2_ISA300),
7046 GEN_HANDLER_E(copy, 0x1F, 0x06, 0x18, 0x03C00001, PPC_NONE, PPC2_ISA300),
7047 GEN_HANDLER_E(cp_abort, 0x1F, 0x06, 0x1A, 0x03FFF801, PPC_NONE, PPC2_ISA300),
7048 GEN_HANDLER_E(paste, 0x1F, 0x06, 0x1C, 0x03C00000, PPC_NONE, PPC2_ISA300),
7049 GEN_HANDLER(or, 0x1F, 0x1C, 0x0D, 0x00000000, PPC_INTEGER),
7050 GEN_HANDLER(xor, 0x1F, 0x1C, 0x09, 0x00000000, PPC_INTEGER),
7051 GEN_HANDLER(ori, 0x18, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
7052 GEN_HANDLER(oris, 0x19, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
7053 GEN_HANDLER(xori, 0x1A, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
7054 GEN_HANDLER(xoris, 0x1B, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
7055 GEN_HANDLER(popcntb, 0x1F, 0x1A, 0x03, 0x0000F801, PPC_POPCNTB),
7056 GEN_HANDLER(popcntw, 0x1F, 0x1A, 0x0b, 0x0000F801, PPC_POPCNTWD),
7057 GEN_HANDLER_E(prtyw, 0x1F, 0x1A, 0x04, 0x0000F801, PPC_NONE, PPC2_ISA205),
7058 #if defined(TARGET_PPC64)
7059 GEN_HANDLER(popcntd, 0x1F, 0x1A, 0x0F, 0x0000F801, PPC_POPCNTWD),
7060 GEN_HANDLER(cntlzd, 0x1F, 0x1A, 0x01, 0x00000000, PPC_64B),
7061 GEN_HANDLER_E(cnttzd, 0x1F, 0x1A, 0x11, 0x00000000, PPC_NONE, PPC2_ISA300),
7062 GEN_HANDLER_E(darn, 0x1F, 0x13, 0x17, 0x001CF801, PPC_NONE, PPC2_ISA300),
7063 GEN_HANDLER_E(prtyd, 0x1F, 0x1A, 0x05, 0x0000F801, PPC_NONE, PPC2_ISA205),
7064 GEN_HANDLER_E(bpermd, 0x1F, 0x1C, 0x07, 0x00000001, PPC_NONE, PPC2_PERM_ISA206),
7065 #endif
7066 GEN_HANDLER(rlwimi, 0x14, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
7067 GEN_HANDLER(rlwinm, 0x15, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
7068 GEN_HANDLER(rlwnm, 0x17, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
7069 GEN_HANDLER(slw, 0x1F, 0x18, 0x00, 0x00000000, PPC_INTEGER),
7070 GEN_HANDLER(sraw, 0x1F, 0x18, 0x18, 0x00000000, PPC_INTEGER),
7071 GEN_HANDLER(srawi, 0x1F, 0x18, 0x19, 0x00000000, PPC_INTEGER),
7072 GEN_HANDLER(srw, 0x1F, 0x18, 0x10, 0x00000000, PPC_INTEGER),
7073 #if defined(TARGET_PPC64)
7074 GEN_HANDLER(sld, 0x1F, 0x1B, 0x00, 0x00000000, PPC_64B),
7075 GEN_HANDLER(srad, 0x1F, 0x1A, 0x18, 0x00000000, PPC_64B),
7076 GEN_HANDLER2(sradi0, "sradi", 0x1F, 0x1A, 0x19, 0x00000000, PPC_64B),
7077 GEN_HANDLER2(sradi1, "sradi", 0x1F, 0x1B, 0x19, 0x00000000, PPC_64B),
7078 GEN_HANDLER(srd, 0x1F, 0x1B, 0x10, 0x00000000, PPC_64B),
7079 GEN_HANDLER2_E(extswsli0, "extswsli", 0x1F, 0x1A, 0x1B, 0x00000000,
7080 PPC_NONE, PPC2_ISA300),
7081 GEN_HANDLER2_E(extswsli1, "extswsli", 0x1F, 0x1B, 0x1B, 0x00000000,
7082 PPC_NONE, PPC2_ISA300),
7083 #endif
7084 #if defined(TARGET_PPC64)
7085 GEN_HANDLER(ld, 0x3A, 0xFF, 0xFF, 0x00000000, PPC_64B),
7086 GEN_HANDLER(lq, 0x38, 0xFF, 0xFF, 0x00000000, PPC_64BX),
7087 GEN_HANDLER(std, 0x3E, 0xFF, 0xFF, 0x00000000, PPC_64B),
7088 #endif
7089 /* handles lfdp, lxsd, lxssp */
7090 GEN_HANDLER_E(dform39, 0x39, 0xFF, 0xFF, 0x00000000, PPC_NONE, PPC2_ISA205),
7091 /* handles stfdp, lxv, stxsd, stxssp, stxv */
7092 GEN_HANDLER_E(dform3D, 0x3D, 0xFF, 0xFF, 0x00000000, PPC_NONE, PPC2_ISA205),
7093 GEN_HANDLER(lmw, 0x2E, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
7094 GEN_HANDLER(stmw, 0x2F, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
7095 GEN_HANDLER(lswi, 0x1F, 0x15, 0x12, 0x00000001, PPC_STRING),
7096 GEN_HANDLER(lswx, 0x1F, 0x15, 0x10, 0x00000001, PPC_STRING),
7097 GEN_HANDLER(stswi, 0x1F, 0x15, 0x16, 0x00000001, PPC_STRING),
7098 GEN_HANDLER(stswx, 0x1F, 0x15, 0x14, 0x00000001, PPC_STRING),
7099 GEN_HANDLER(eieio, 0x1F, 0x16, 0x1A, 0x01FFF801, PPC_MEM_EIEIO),
7100 GEN_HANDLER(isync, 0x13, 0x16, 0x04, 0x03FFF801, PPC_MEM),
7101 GEN_HANDLER_E(lbarx, 0x1F, 0x14, 0x01, 0, PPC_NONE, PPC2_ATOMIC_ISA206),
7102 GEN_HANDLER_E(lharx, 0x1F, 0x14, 0x03, 0, PPC_NONE, PPC2_ATOMIC_ISA206),
7103 GEN_HANDLER(lwarx, 0x1F, 0x14, 0x00, 0x00000000, PPC_RES),
7104 GEN_HANDLER_E(lwat, 0x1F, 0x06, 0x12, 0x00000001, PPC_NONE, PPC2_ISA300),
7105 GEN_HANDLER_E(stwat, 0x1F, 0x06, 0x16, 0x00000001, PPC_NONE, PPC2_ISA300),
7106 GEN_HANDLER_E(stbcx_, 0x1F, 0x16, 0x15, 0, PPC_NONE, PPC2_ATOMIC_ISA206),
7107 GEN_HANDLER_E(sthcx_, 0x1F, 0x16, 0x16, 0, PPC_NONE, PPC2_ATOMIC_ISA206),
7108 GEN_HANDLER2(stwcx_, "stwcx.", 0x1F, 0x16, 0x04, 0x00000000, PPC_RES),
7109 #if defined(TARGET_PPC64)
7110 GEN_HANDLER_E(ldat, 0x1F, 0x06, 0x13, 0x00000001, PPC_NONE, PPC2_ISA300),
7111 GEN_HANDLER_E(stdat, 0x1F, 0x06, 0x17, 0x00000001, PPC_NONE, PPC2_ISA300),
7112 GEN_HANDLER(ldarx, 0x1F, 0x14, 0x02, 0x00000000, PPC_64B),
7113 GEN_HANDLER_E(lqarx, 0x1F, 0x14, 0x08, 0, PPC_NONE, PPC2_LSQ_ISA207),
7114 GEN_HANDLER2(stdcx_, "stdcx.", 0x1F, 0x16, 0x06, 0x00000000, PPC_64B),
7115 GEN_HANDLER_E(stqcx_, 0x1F, 0x16, 0x05, 0, PPC_NONE, PPC2_LSQ_ISA207),
7116 #endif
7117 GEN_HANDLER(sync, 0x1F, 0x16, 0x12, 0x039FF801, PPC_MEM_SYNC),
7118 GEN_HANDLER(wait, 0x1F, 0x1E, 0x01, 0x03FFF801, PPC_WAIT),
7119 GEN_HANDLER_E(wait, 0x1F, 0x1E, 0x00, 0x039FF801, PPC_NONE, PPC2_ISA300),
7120 GEN_HANDLER(b, 0x12, 0xFF, 0xFF, 0x00000000, PPC_FLOW),
7121 GEN_HANDLER(bc, 0x10, 0xFF, 0xFF, 0x00000000, PPC_FLOW),
7122 GEN_HANDLER(bcctr, 0x13, 0x10, 0x10, 0x00000000, PPC_FLOW),
7123 GEN_HANDLER(bclr, 0x13, 0x10, 0x00, 0x00000000, PPC_FLOW),
7124 GEN_HANDLER_E(bctar, 0x13, 0x10, 0x11, 0x0000E000, PPC_NONE, PPC2_BCTAR_ISA207),
7125 GEN_HANDLER(mcrf, 0x13, 0x00, 0xFF, 0x00000001, PPC_INTEGER),
7126 GEN_HANDLER(rfi, 0x13, 0x12, 0x01, 0x03FF8001, PPC_FLOW),
7127 #if defined(TARGET_PPC64)
7128 GEN_HANDLER(rfid, 0x13, 0x12, 0x00, 0x03FF8001, PPC_64B),
7129 #if !defined(CONFIG_USER_ONLY)
7130 /* Top bit of opc2 corresponds with low bit of LEV, so use two handlers */
7131 GEN_HANDLER_E(scv, 0x11, 0x10, 0xFF, 0x03FFF01E, PPC_NONE, PPC2_ISA300),
7132 GEN_HANDLER_E(scv, 0x11, 0x00, 0xFF, 0x03FFF01E, PPC_NONE, PPC2_ISA300),
7133 GEN_HANDLER_E(rfscv, 0x13, 0x12, 0x02, 0x03FF8001, PPC_NONE, PPC2_ISA300),
7134 #endif
7135 GEN_HANDLER_E(stop, 0x13, 0x12, 0x0b, 0x03FFF801, PPC_NONE, PPC2_ISA300),
7136 GEN_HANDLER_E(doze, 0x13, 0x12, 0x0c, 0x03FFF801, PPC_NONE, PPC2_PM_ISA206),
7137 GEN_HANDLER_E(nap, 0x13, 0x12, 0x0d, 0x03FFF801, PPC_NONE, PPC2_PM_ISA206),
7138 GEN_HANDLER_E(sleep, 0x13, 0x12, 0x0e, 0x03FFF801, PPC_NONE, PPC2_PM_ISA206),
7139 GEN_HANDLER_E(rvwinkle, 0x13, 0x12, 0x0f, 0x03FFF801, PPC_NONE, PPC2_PM_ISA206),
7140 GEN_HANDLER(hrfid, 0x13, 0x12, 0x08, 0x03FF8001, PPC_64H),
7141 #endif
7142 /* Top bit of opc2 corresponds with low bit of LEV, so use two handlers */
7143 GEN_HANDLER(sc, 0x11, 0x11, 0xFF, 0x03FFF01D, PPC_FLOW),
7144 GEN_HANDLER(sc, 0x11, 0x01, 0xFF, 0x03FFF01D, PPC_FLOW),
7145 GEN_HANDLER(tw, 0x1F, 0x04, 0x00, 0x00000001, PPC_FLOW),
7146 GEN_HANDLER(twi, 0x03, 0xFF, 0xFF, 0x00000000, PPC_FLOW),
7147 #if defined(TARGET_PPC64)
7148 GEN_HANDLER(td, 0x1F, 0x04, 0x02, 0x00000001, PPC_64B),
7149 GEN_HANDLER(tdi, 0x02, 0xFF, 0xFF, 0x00000000, PPC_64B),
7150 #endif
7151 GEN_HANDLER(mcrxr, 0x1F, 0x00, 0x10, 0x007FF801, PPC_MISC),
7152 GEN_HANDLER(mfcr, 0x1F, 0x13, 0x00, 0x00000801, PPC_MISC),
7153 GEN_HANDLER(mfmsr, 0x1F, 0x13, 0x02, 0x001FF801, PPC_MISC),
7154 GEN_HANDLER(mfspr, 0x1F, 0x13, 0x0A, 0x00000001, PPC_MISC),
7155 GEN_HANDLER(mftb, 0x1F, 0x13, 0x0B, 0x00000001, PPC_MFTB),
7156 GEN_HANDLER(mtcrf, 0x1F, 0x10, 0x04, 0x00000801, PPC_MISC),
7157 #if defined(TARGET_PPC64)
7158 GEN_HANDLER(mtmsrd, 0x1F, 0x12, 0x05, 0x001EF801, PPC_64B),
7159 GEN_HANDLER_E(setb, 0x1F, 0x00, 0x04, 0x0003F801, PPC_NONE, PPC2_ISA300),
7160 GEN_HANDLER_E(mcrxrx, 0x1F, 0x00, 0x12, 0x007FF801, PPC_NONE, PPC2_ISA300),
7161 #endif
7162 GEN_HANDLER(mtmsr, 0x1F, 0x12, 0x04, 0x001EF801, PPC_MISC),
7163 GEN_HANDLER(mtspr, 0x1F, 0x13, 0x0E, 0x00000000, PPC_MISC),
7164 GEN_HANDLER(dcbf, 0x1F, 0x16, 0x02, 0x03C00001, PPC_CACHE),
7165 GEN_HANDLER_E(dcbfep, 0x1F, 0x1F, 0x03, 0x03C00001, PPC_NONE, PPC2_BOOKE206),
7166 GEN_HANDLER(dcbi, 0x1F, 0x16, 0x0E, 0x03E00001, PPC_CACHE),
7167 GEN_HANDLER(dcbst, 0x1F, 0x16, 0x01, 0x03E00001, PPC_CACHE),
7168 GEN_HANDLER_E(dcbstep, 0x1F, 0x1F, 0x01, 0x03E00001, PPC_NONE, PPC2_BOOKE206),
7169 GEN_HANDLER(dcbt, 0x1F, 0x16, 0x08, 0x00000001, PPC_CACHE),
7170 GEN_HANDLER_E(dcbtep, 0x1F, 0x1F, 0x09, 0x00000001, PPC_NONE, PPC2_BOOKE206),
7171 GEN_HANDLER(dcbtst, 0x1F, 0x16, 0x07, 0x00000001, PPC_CACHE),
7172 GEN_HANDLER_E(dcbtstep, 0x1F, 0x1F, 0x07, 0x00000001, PPC_NONE, PPC2_BOOKE206),
7173 GEN_HANDLER_E(dcbtls, 0x1F, 0x06, 0x05, 0x02000001, PPC_BOOKE, PPC2_BOOKE206),
7174 GEN_HANDLER(dcbz, 0x1F, 0x16, 0x1F, 0x03C00001, PPC_CACHE_DCBZ),
7175 GEN_HANDLER_E(dcbzep, 0x1F, 0x1F, 0x1F, 0x03C00001, PPC_NONE, PPC2_BOOKE206),
7176 GEN_HANDLER(dst, 0x1F, 0x16, 0x0A, 0x01800001, PPC_ALTIVEC),
7177 GEN_HANDLER(dstst, 0x1F, 0x16, 0x0B, 0x01800001, PPC_ALTIVEC),
7178 GEN_HANDLER(dss, 0x1F, 0x16, 0x19, 0x019FF801, PPC_ALTIVEC),
7179 GEN_HANDLER(icbi, 0x1F, 0x16, 0x1E, 0x03E00001, PPC_CACHE_ICBI),
7180 GEN_HANDLER_E(icbiep, 0x1F, 0x1F, 0x1E, 0x03E00001, PPC_NONE, PPC2_BOOKE206),
7181 GEN_HANDLER(dcba, 0x1F, 0x16, 0x17, 0x03E00001, PPC_CACHE_DCBA),
7182 GEN_HANDLER(mfsr, 0x1F, 0x13, 0x12, 0x0010F801, PPC_SEGMENT),
7183 GEN_HANDLER(mfsrin, 0x1F, 0x13, 0x14, 0x001F0001, PPC_SEGMENT),
7184 GEN_HANDLER(mtsr, 0x1F, 0x12, 0x06, 0x0010F801, PPC_SEGMENT),
7185 GEN_HANDLER(mtsrin, 0x1F, 0x12, 0x07, 0x001F0001, PPC_SEGMENT),
7186 #if defined(TARGET_PPC64)
7187 GEN_HANDLER2(mfsr_64b, "mfsr", 0x1F, 0x13, 0x12, 0x0010F801, PPC_SEGMENT_64B),
7188 GEN_HANDLER2(mfsrin_64b, "mfsrin", 0x1F, 0x13, 0x14, 0x001F0001,
7189 PPC_SEGMENT_64B),
7190 GEN_HANDLER2(mtsr_64b, "mtsr", 0x1F, 0x12, 0x06, 0x0010F801, PPC_SEGMENT_64B),
7191 GEN_HANDLER2(mtsrin_64b, "mtsrin", 0x1F, 0x12, 0x07, 0x001F0001,
7192 PPC_SEGMENT_64B),
7193 GEN_HANDLER2(slbmte, "slbmte", 0x1F, 0x12, 0x0C, 0x001F0001, PPC_SEGMENT_64B),
7194 GEN_HANDLER2(slbmfee, "slbmfee", 0x1F, 0x13, 0x1C, 0x001F0001, PPC_SEGMENT_64B),
7195 GEN_HANDLER2(slbmfev, "slbmfev", 0x1F, 0x13, 0x1A, 0x001F0001, PPC_SEGMENT_64B),
7196 GEN_HANDLER2(slbfee_, "slbfee.", 0x1F, 0x13, 0x1E, 0x001F0000, PPC_SEGMENT_64B),
7197 #endif
7198 GEN_HANDLER(tlbia, 0x1F, 0x12, 0x0B, 0x03FFFC01, PPC_MEM_TLBIA),
7199 /*
7200 * XXX Those instructions will need to be handled differently for
7201 * different ISA versions
7202 */
7203 GEN_HANDLER(tlbiel, 0x1F, 0x12, 0x08, 0x001F0001, PPC_MEM_TLBIE),
7204 GEN_HANDLER(tlbie, 0x1F, 0x12, 0x09, 0x001F0001, PPC_MEM_TLBIE),
7205 GEN_HANDLER_E(tlbiel, 0x1F, 0x12, 0x08, 0x00100001, PPC_NONE, PPC2_ISA300),
7206 GEN_HANDLER_E(tlbie, 0x1F, 0x12, 0x09, 0x00100001, PPC_NONE, PPC2_ISA300),
7207 GEN_HANDLER(tlbsync, 0x1F, 0x16, 0x11, 0x03FFF801, PPC_MEM_TLBSYNC),
7208 #if defined(TARGET_PPC64)
7209 GEN_HANDLER(slbia, 0x1F, 0x12, 0x0F, 0x031FFC01, PPC_SLBI),
7210 GEN_HANDLER(slbie, 0x1F, 0x12, 0x0D, 0x03FF0001, PPC_SLBI),
7211 GEN_HANDLER_E(slbieg, 0x1F, 0x12, 0x0E, 0x001F0001, PPC_NONE, PPC2_ISA300),
7212 GEN_HANDLER_E(slbsync, 0x1F, 0x12, 0x0A, 0x03FFF801, PPC_NONE, PPC2_ISA300),
7213 #endif
7214 GEN_HANDLER(eciwx, 0x1F, 0x16, 0x0D, 0x00000001, PPC_EXTERN),
7215 GEN_HANDLER(ecowx, 0x1F, 0x16, 0x09, 0x00000001, PPC_EXTERN),
7216 GEN_HANDLER(abs, 0x1F, 0x08, 0x0B, 0x0000F800, PPC_POWER_BR),
7217 GEN_HANDLER(abso, 0x1F, 0x08, 0x1B, 0x0000F800, PPC_POWER_BR),
7218 GEN_HANDLER(clcs, 0x1F, 0x10, 0x13, 0x0000F800, PPC_POWER_BR),
7219 GEN_HANDLER(div, 0x1F, 0x0B, 0x0A, 0x00000000, PPC_POWER_BR),
7220 GEN_HANDLER(divo, 0x1F, 0x0B, 0x1A, 0x00000000, PPC_POWER_BR),
7221 GEN_HANDLER(divs, 0x1F, 0x0B, 0x0B, 0x00000000, PPC_POWER_BR),
7222 GEN_HANDLER(divso, 0x1F, 0x0B, 0x1B, 0x00000000, PPC_POWER_BR),
7223 GEN_HANDLER(doz, 0x1F, 0x08, 0x08, 0x00000000, PPC_POWER_BR),
7224 GEN_HANDLER(dozo, 0x1F, 0x08, 0x18, 0x00000000, PPC_POWER_BR),
7225 GEN_HANDLER(dozi, 0x09, 0xFF, 0xFF, 0x00000000, PPC_POWER_BR),
7226 GEN_HANDLER(lscbx, 0x1F, 0x15, 0x08, 0x00000000, PPC_POWER_BR),
7227 GEN_HANDLER(maskg, 0x1F, 0x1D, 0x00, 0x00000000, PPC_POWER_BR),
7228 GEN_HANDLER(maskir, 0x1F, 0x1D, 0x10, 0x00000000, PPC_POWER_BR),
7229 GEN_HANDLER(mul, 0x1F, 0x0B, 0x03, 0x00000000, PPC_POWER_BR),
7230 GEN_HANDLER(mulo, 0x1F, 0x0B, 0x13, 0x00000000, PPC_POWER_BR),
7231 GEN_HANDLER(nabs, 0x1F, 0x08, 0x0F, 0x00000000, PPC_POWER_BR),
7232 GEN_HANDLER(nabso, 0x1F, 0x08, 0x1F, 0x00000000, PPC_POWER_BR),
7233 GEN_HANDLER(rlmi, 0x16, 0xFF, 0xFF, 0x00000000, PPC_POWER_BR),
7234 GEN_HANDLER(rrib, 0x1F, 0x19, 0x10, 0x00000000, PPC_POWER_BR),
7235 GEN_HANDLER(sle, 0x1F, 0x19, 0x04, 0x00000000, PPC_POWER_BR),
7236 GEN_HANDLER(sleq, 0x1F, 0x19, 0x06, 0x00000000, PPC_POWER_BR),
7237 GEN_HANDLER(sliq, 0x1F, 0x18, 0x05, 0x00000000, PPC_POWER_BR),
7238 GEN_HANDLER(slliq, 0x1F, 0x18, 0x07, 0x00000000, PPC_POWER_BR),
7239 GEN_HANDLER(sllq, 0x1F, 0x18, 0x06, 0x00000000, PPC_POWER_BR),
7240 GEN_HANDLER(slq, 0x1F, 0x18, 0x04, 0x00000000, PPC_POWER_BR),
7241 GEN_HANDLER(sraiq, 0x1F, 0x18, 0x1D, 0x00000000, PPC_POWER_BR),
7242 GEN_HANDLER(sraq, 0x1F, 0x18, 0x1C, 0x00000000, PPC_POWER_BR),
7243 GEN_HANDLER(sre, 0x1F, 0x19, 0x14, 0x00000000, PPC_POWER_BR),
7244 GEN_HANDLER(srea, 0x1F, 0x19, 0x1C, 0x00000000, PPC_POWER_BR),
7245 GEN_HANDLER(sreq, 0x1F, 0x19, 0x16, 0x00000000, PPC_POWER_BR),
7246 GEN_HANDLER(sriq, 0x1F, 0x18, 0x15, 0x00000000, PPC_POWER_BR),
7247 GEN_HANDLER(srliq, 0x1F, 0x18, 0x17, 0x00000000, PPC_POWER_BR),
7248 GEN_HANDLER(srlq, 0x1F, 0x18, 0x16, 0x00000000, PPC_POWER_BR),
7249 GEN_HANDLER(srq, 0x1F, 0x18, 0x14, 0x00000000, PPC_POWER_BR),
7250 GEN_HANDLER(dsa, 0x1F, 0x14, 0x13, 0x03FFF801, PPC_602_SPEC),
7251 GEN_HANDLER(esa, 0x1F, 0x14, 0x12, 0x03FFF801, PPC_602_SPEC),
7252 GEN_HANDLER(mfrom, 0x1F, 0x09, 0x08, 0x03E0F801, PPC_602_SPEC),
7253 GEN_HANDLER2(tlbld_6xx, "tlbld", 0x1F, 0x12, 0x1E, 0x03FF0001, PPC_6xx_TLB),
7254 GEN_HANDLER2(tlbli_6xx, "tlbli", 0x1F, 0x12, 0x1F, 0x03FF0001, PPC_6xx_TLB),
7255 GEN_HANDLER2(tlbld_74xx, "tlbld", 0x1F, 0x12, 0x1E, 0x03FF0001, PPC_74xx_TLB),
7256 GEN_HANDLER2(tlbli_74xx, "tlbli", 0x1F, 0x12, 0x1F, 0x03FF0001, PPC_74xx_TLB),
7257 GEN_HANDLER(clf, 0x1F, 0x16, 0x03, 0x03E00000, PPC_POWER),
7258 GEN_HANDLER(cli, 0x1F, 0x16, 0x0F, 0x03E00000, PPC_POWER),
7259 GEN_HANDLER(dclst, 0x1F, 0x16, 0x13, 0x03E00000, PPC_POWER),
7260 GEN_HANDLER(mfsri, 0x1F, 0x13, 0x13, 0x00000001, PPC_POWER),
7261 GEN_HANDLER(rac, 0x1F, 0x12, 0x19, 0x00000001, PPC_POWER),
7262 GEN_HANDLER(rfsvc, 0x13, 0x12, 0x02, 0x03FFF0001, PPC_POWER),
7263 GEN_HANDLER(lfq, 0x38, 0xFF, 0xFF, 0x00000003, PPC_POWER2),
7264 GEN_HANDLER(lfqu, 0x39, 0xFF, 0xFF, 0x00000003, PPC_POWER2),
7265 GEN_HANDLER(lfqux, 0x1F, 0x17, 0x19, 0x00000001, PPC_POWER2),
7266 GEN_HANDLER(lfqx, 0x1F, 0x17, 0x18, 0x00000001, PPC_POWER2),
7267 GEN_HANDLER(stfq, 0x3C, 0xFF, 0xFF, 0x00000003, PPC_POWER2),
7268 GEN_HANDLER(stfqu, 0x3D, 0xFF, 0xFF, 0x00000003, PPC_POWER2),
7269 GEN_HANDLER(stfqux, 0x1F, 0x17, 0x1D, 0x00000001, PPC_POWER2),
7270 GEN_HANDLER(stfqx, 0x1F, 0x17, 0x1C, 0x00000001, PPC_POWER2),
7271 GEN_HANDLER(mfapidi, 0x1F, 0x13, 0x08, 0x0000F801, PPC_MFAPIDI),
7272 GEN_HANDLER(tlbiva, 0x1F, 0x12, 0x18, 0x03FFF801, PPC_TLBIVA),
7273 GEN_HANDLER(mfdcr, 0x1F, 0x03, 0x0A, 0x00000001, PPC_DCR),
7274 GEN_HANDLER(mtdcr, 0x1F, 0x03, 0x0E, 0x00000001, PPC_DCR),
7275 GEN_HANDLER(mfdcrx, 0x1F, 0x03, 0x08, 0x00000000, PPC_DCRX),
7276 GEN_HANDLER(mtdcrx, 0x1F, 0x03, 0x0C, 0x00000000, PPC_DCRX),
7277 GEN_HANDLER(mfdcrux, 0x1F, 0x03, 0x09, 0x00000000, PPC_DCRUX),
7278 GEN_HANDLER(mtdcrux, 0x1F, 0x03, 0x0D, 0x00000000, PPC_DCRUX),
7279 GEN_HANDLER(dccci, 0x1F, 0x06, 0x0E, 0x03E00001, PPC_4xx_COMMON),
7280 GEN_HANDLER(dcread, 0x1F, 0x06, 0x0F, 0x00000001, PPC_4xx_COMMON),
7281 GEN_HANDLER2(icbt_40x, "icbt", 0x1F, 0x06, 0x08, 0x03E00001, PPC_40x_ICBT),
7282 GEN_HANDLER(iccci, 0x1F, 0x06, 0x1E, 0x00000001, PPC_4xx_COMMON),
7283 GEN_HANDLER(icread, 0x1F, 0x06, 0x1F, 0x03E00001, PPC_4xx_COMMON),
7284 GEN_HANDLER2(rfci_40x, "rfci", 0x13, 0x13, 0x01, 0x03FF8001, PPC_40x_EXCP),
7285 GEN_HANDLER_E(rfci, 0x13, 0x13, 0x01, 0x03FF8001, PPC_BOOKE, PPC2_BOOKE206),
7286 GEN_HANDLER(rfdi, 0x13, 0x07, 0x01, 0x03FF8001, PPC_RFDI),
7287 GEN_HANDLER(rfmci, 0x13, 0x06, 0x01, 0x03FF8001, PPC_RFMCI),
7288 GEN_HANDLER2(tlbre_40x, "tlbre", 0x1F, 0x12, 0x1D, 0x00000001, PPC_40x_TLB),
7289 GEN_HANDLER2(tlbsx_40x, "tlbsx", 0x1F, 0x12, 0x1C, 0x00000000, PPC_40x_TLB),
7290 GEN_HANDLER2(tlbwe_40x, "tlbwe", 0x1F, 0x12, 0x1E, 0x00000001, PPC_40x_TLB),
7291 GEN_HANDLER2(tlbre_440, "tlbre", 0x1F, 0x12, 0x1D, 0x00000001, PPC_BOOKE),
7292 GEN_HANDLER2(tlbsx_440, "tlbsx", 0x1F, 0x12, 0x1C, 0x00000000, PPC_BOOKE),
7293 GEN_HANDLER2(tlbwe_440, "tlbwe", 0x1F, 0x12, 0x1E, 0x00000001, PPC_BOOKE),
7294 GEN_HANDLER2_E(tlbre_booke206, "tlbre", 0x1F, 0x12, 0x1D, 0x00000001,
7295 PPC_NONE, PPC2_BOOKE206),
7296 GEN_HANDLER2_E(tlbsx_booke206, "tlbsx", 0x1F, 0x12, 0x1C, 0x00000000,
7297 PPC_NONE, PPC2_BOOKE206),
7298 GEN_HANDLER2_E(tlbwe_booke206, "tlbwe", 0x1F, 0x12, 0x1E, 0x00000001,
7299 PPC_NONE, PPC2_BOOKE206),
7300 GEN_HANDLER2_E(tlbivax_booke206, "tlbivax", 0x1F, 0x12, 0x18, 0x00000001,
7301 PPC_NONE, PPC2_BOOKE206),
7302 GEN_HANDLER2_E(tlbilx_booke206, "tlbilx", 0x1F, 0x12, 0x00, 0x03800001,
7303 PPC_NONE, PPC2_BOOKE206),
7304 GEN_HANDLER2_E(msgsnd, "msgsnd", 0x1F, 0x0E, 0x06, 0x03ff0001,
7305 PPC_NONE, PPC2_PRCNTL),
7306 GEN_HANDLER2_E(msgclr, "msgclr", 0x1F, 0x0E, 0x07, 0x03ff0001,
7307 PPC_NONE, PPC2_PRCNTL),
7308 GEN_HANDLER2_E(msgsync, "msgsync", 0x1F, 0x16, 0x1B, 0x00000000,
7309 PPC_NONE, PPC2_PRCNTL),
7310 GEN_HANDLER(wrtee, 0x1F, 0x03, 0x04, 0x000FFC01, PPC_WRTEE),
7311 GEN_HANDLER(wrteei, 0x1F, 0x03, 0x05, 0x000E7C01, PPC_WRTEE),
7312 GEN_HANDLER(dlmzb, 0x1F, 0x0E, 0x02, 0x00000000, PPC_440_SPEC),
7313 GEN_HANDLER_E(mbar, 0x1F, 0x16, 0x1a, 0x001FF801,
7314 PPC_BOOKE, PPC2_BOOKE206),
7315 GEN_HANDLER(msync_4xx, 0x1F, 0x16, 0x12, 0x039FF801, PPC_BOOKE),
7316 GEN_HANDLER2_E(icbt_440, "icbt", 0x1F, 0x16, 0x00, 0x03E00001,
7317 PPC_BOOKE, PPC2_BOOKE206),
7318 GEN_HANDLER2(icbt_440, "icbt", 0x1F, 0x06, 0x08, 0x03E00001,
7319 PPC_440_SPEC),
7320 GEN_HANDLER(lvsl, 0x1f, 0x06, 0x00, 0x00000001, PPC_ALTIVEC),
7321 GEN_HANDLER(lvsr, 0x1f, 0x06, 0x01, 0x00000001, PPC_ALTIVEC),
7322 GEN_HANDLER(mfvscr, 0x04, 0x2, 0x18, 0x001ff800, PPC_ALTIVEC),
7323 GEN_HANDLER(mtvscr, 0x04, 0x2, 0x19, 0x03ff0000, PPC_ALTIVEC),
7324 GEN_HANDLER(vmladduhm, 0x04, 0x11, 0xFF, 0x00000000, PPC_ALTIVEC),
7325 #if defined(TARGET_PPC64)
7326 GEN_HANDLER_E(maddhd_maddhdu, 0x04, 0x18, 0xFF, 0x00000000, PPC_NONE,
7327 PPC2_ISA300),
7328 GEN_HANDLER_E(maddld, 0x04, 0x19, 0xFF, 0x00000000, PPC_NONE, PPC2_ISA300),
7329 GEN_HANDLER2_E(msgsndp, "msgsndp", 0x1F, 0x0E, 0x04, 0x03ff0001,
7330 PPC_NONE, PPC2_ISA207S),
7331 GEN_HANDLER2_E(msgclrp, "msgclrp", 0x1F, 0x0E, 0x05, 0x03ff0001,
7332 PPC_NONE, PPC2_ISA207S),
7333 #endif
7334
7335 #undef GEN_INT_ARITH_ADD
7336 #undef GEN_INT_ARITH_ADD_CONST
7337 #define GEN_INT_ARITH_ADD(name, opc3, add_ca, compute_ca, compute_ov) \
7338 GEN_HANDLER(name, 0x1F, 0x0A, opc3, 0x00000000, PPC_INTEGER),
7339 #define GEN_INT_ARITH_ADD_CONST(name, opc3, const_val, \
7340 add_ca, compute_ca, compute_ov) \
7341 GEN_HANDLER(name, 0x1F, 0x0A, opc3, 0x0000F800, PPC_INTEGER),
7342 GEN_INT_ARITH_ADD(add, 0x08, 0, 0, 0)
7343 GEN_INT_ARITH_ADD(addo, 0x18, 0, 0, 1)
7344 GEN_INT_ARITH_ADD(addc, 0x00, 0, 1, 0)
7345 GEN_INT_ARITH_ADD(addco, 0x10, 0, 1, 1)
7346 GEN_INT_ARITH_ADD(adde, 0x04, 1, 1, 0)
7347 GEN_INT_ARITH_ADD(addeo, 0x14, 1, 1, 1)
7348 GEN_INT_ARITH_ADD_CONST(addme, 0x07, -1LL, 1, 1, 0)
7349 GEN_INT_ARITH_ADD_CONST(addmeo, 0x17, -1LL, 1, 1, 1)
7350 GEN_HANDLER_E(addex, 0x1F, 0x0A, 0x05, 0x00000000, PPC_NONE, PPC2_ISA300),
7351 GEN_INT_ARITH_ADD_CONST(addze, 0x06, 0, 1, 1, 0)
7352 GEN_INT_ARITH_ADD_CONST(addzeo, 0x16, 0, 1, 1, 1)
7353
7354 #undef GEN_INT_ARITH_DIVW
7355 #define GEN_INT_ARITH_DIVW(name, opc3, sign, compute_ov) \
7356 GEN_HANDLER(name, 0x1F, 0x0B, opc3, 0x00000000, PPC_INTEGER)
7357 GEN_INT_ARITH_DIVW(divwu, 0x0E, 0, 0),
7358 GEN_INT_ARITH_DIVW(divwuo, 0x1E, 0, 1),
7359 GEN_INT_ARITH_DIVW(divw, 0x0F, 1, 0),
7360 GEN_INT_ARITH_DIVW(divwo, 0x1F, 1, 1),
7361 GEN_HANDLER_E(divwe, 0x1F, 0x0B, 0x0D, 0, PPC_NONE, PPC2_DIVE_ISA206),
7362 GEN_HANDLER_E(divweo, 0x1F, 0x0B, 0x1D, 0, PPC_NONE, PPC2_DIVE_ISA206),
7363 GEN_HANDLER_E(divweu, 0x1F, 0x0B, 0x0C, 0, PPC_NONE, PPC2_DIVE_ISA206),
7364 GEN_HANDLER_E(divweuo, 0x1F, 0x0B, 0x1C, 0, PPC_NONE, PPC2_DIVE_ISA206),
7365 GEN_HANDLER_E(modsw, 0x1F, 0x0B, 0x18, 0x00000001, PPC_NONE, PPC2_ISA300),
7366 GEN_HANDLER_E(moduw, 0x1F, 0x0B, 0x08, 0x00000001, PPC_NONE, PPC2_ISA300),
7367
7368 #if defined(TARGET_PPC64)
7369 #undef GEN_INT_ARITH_DIVD
7370 #define GEN_INT_ARITH_DIVD(name, opc3, sign, compute_ov) \
7371 GEN_HANDLER(name, 0x1F, 0x09, opc3, 0x00000000, PPC_64B)
7372 GEN_INT_ARITH_DIVD(divdu, 0x0E, 0, 0),
7373 GEN_INT_ARITH_DIVD(divduo, 0x1E, 0, 1),
7374 GEN_INT_ARITH_DIVD(divd, 0x0F, 1, 0),
7375 GEN_INT_ARITH_DIVD(divdo, 0x1F, 1, 1),
7376
7377 GEN_HANDLER_E(divdeu, 0x1F, 0x09, 0x0C, 0, PPC_NONE, PPC2_DIVE_ISA206),
7378 GEN_HANDLER_E(divdeuo, 0x1F, 0x09, 0x1C, 0, PPC_NONE, PPC2_DIVE_ISA206),
7379 GEN_HANDLER_E(divde, 0x1F, 0x09, 0x0D, 0, PPC_NONE, PPC2_DIVE_ISA206),
7380 GEN_HANDLER_E(divdeo, 0x1F, 0x09, 0x1D, 0, PPC_NONE, PPC2_DIVE_ISA206),
7381 GEN_HANDLER_E(modsd, 0x1F, 0x09, 0x18, 0x00000001, PPC_NONE, PPC2_ISA300),
7382 GEN_HANDLER_E(modud, 0x1F, 0x09, 0x08, 0x00000001, PPC_NONE, PPC2_ISA300),
7383
7384 #undef GEN_INT_ARITH_MUL_HELPER
7385 #define GEN_INT_ARITH_MUL_HELPER(name, opc3) \
7386 GEN_HANDLER(name, 0x1F, 0x09, opc3, 0x00000000, PPC_64B)
7387 GEN_INT_ARITH_MUL_HELPER(mulhdu, 0x00),
7388 GEN_INT_ARITH_MUL_HELPER(mulhd, 0x02),
7389 GEN_INT_ARITH_MUL_HELPER(mulldo, 0x17),
7390 #endif
7391
7392 #undef GEN_INT_ARITH_SUBF
7393 #undef GEN_INT_ARITH_SUBF_CONST
7394 #define GEN_INT_ARITH_SUBF(name, opc3, add_ca, compute_ca, compute_ov) \
7395 GEN_HANDLER(name, 0x1F, 0x08, opc3, 0x00000000, PPC_INTEGER),
7396 #define GEN_INT_ARITH_SUBF_CONST(name, opc3, const_val, \
7397 add_ca, compute_ca, compute_ov) \
7398 GEN_HANDLER(name, 0x1F, 0x08, opc3, 0x0000F800, PPC_INTEGER),
7399 GEN_INT_ARITH_SUBF(subf, 0x01, 0, 0, 0)
7400 GEN_INT_ARITH_SUBF(subfo, 0x11, 0, 0, 1)
7401 GEN_INT_ARITH_SUBF(subfc, 0x00, 0, 1, 0)
7402 GEN_INT_ARITH_SUBF(subfco, 0x10, 0, 1, 1)
7403 GEN_INT_ARITH_SUBF(subfe, 0x04, 1, 1, 0)
7404 GEN_INT_ARITH_SUBF(subfeo, 0x14, 1, 1, 1)
7405 GEN_INT_ARITH_SUBF_CONST(subfme, 0x07, -1LL, 1, 1, 0)
7406 GEN_INT_ARITH_SUBF_CONST(subfmeo, 0x17, -1LL, 1, 1, 1)
7407 GEN_INT_ARITH_SUBF_CONST(subfze, 0x06, 0, 1, 1, 0)
7408 GEN_INT_ARITH_SUBF_CONST(subfzeo, 0x16, 0, 1, 1, 1)
7409
7410 #undef GEN_LOGICAL1
7411 #undef GEN_LOGICAL2
7412 #define GEN_LOGICAL2(name, tcg_op, opc, type) \
7413 GEN_HANDLER(name, 0x1F, 0x1C, opc, 0x00000000, type)
7414 #define GEN_LOGICAL1(name, tcg_op, opc, type) \
7415 GEN_HANDLER(name, 0x1F, 0x1A, opc, 0x00000000, type)
7416 GEN_LOGICAL2(and, tcg_gen_and_tl, 0x00, PPC_INTEGER),
7417 GEN_LOGICAL2(andc, tcg_gen_andc_tl, 0x01, PPC_INTEGER),
7418 GEN_LOGICAL2(eqv, tcg_gen_eqv_tl, 0x08, PPC_INTEGER),
7419 GEN_LOGICAL1(extsb, tcg_gen_ext8s_tl, 0x1D, PPC_INTEGER),
7420 GEN_LOGICAL1(extsh, tcg_gen_ext16s_tl, 0x1C, PPC_INTEGER),
7421 GEN_LOGICAL2(nand, tcg_gen_nand_tl, 0x0E, PPC_INTEGER),
7422 GEN_LOGICAL2(nor, tcg_gen_nor_tl, 0x03, PPC_INTEGER),
7423 GEN_LOGICAL2(orc, tcg_gen_orc_tl, 0x0C, PPC_INTEGER),
7424 #if defined(TARGET_PPC64)
7425 GEN_LOGICAL1(extsw, tcg_gen_ext32s_tl, 0x1E, PPC_64B),
7426 #endif
7427
7428 #if defined(TARGET_PPC64)
7429 #undef GEN_PPC64_R2
7430 #undef GEN_PPC64_R4
7431 #define GEN_PPC64_R2(name, opc1, opc2) \
7432 GEN_HANDLER2(name##0, stringify(name), opc1, opc2, 0xFF, 0x00000000, PPC_64B),\
7433 GEN_HANDLER2(name##1, stringify(name), opc1, opc2 | 0x10, 0xFF, 0x00000000, \
7434 PPC_64B)
7435 #define GEN_PPC64_R4(name, opc1, opc2) \
7436 GEN_HANDLER2(name##0, stringify(name), opc1, opc2, 0xFF, 0x00000000, PPC_64B),\
7437 GEN_HANDLER2(name##1, stringify(name), opc1, opc2 | 0x01, 0xFF, 0x00000000, \
7438 PPC_64B), \
7439 GEN_HANDLER2(name##2, stringify(name), opc1, opc2 | 0x10, 0xFF, 0x00000000, \
7440 PPC_64B), \
7441 GEN_HANDLER2(name##3, stringify(name), opc1, opc2 | 0x11, 0xFF, 0x00000000, \
7442 PPC_64B)
7443 GEN_PPC64_R4(rldicl, 0x1E, 0x00),
7444 GEN_PPC64_R4(rldicr, 0x1E, 0x02),
7445 GEN_PPC64_R4(rldic, 0x1E, 0x04),
7446 GEN_PPC64_R2(rldcl, 0x1E, 0x08),
7447 GEN_PPC64_R2(rldcr, 0x1E, 0x09),
7448 GEN_PPC64_R4(rldimi, 0x1E, 0x06),
7449 #endif
7450
7451 #undef GEN_LD
7452 #undef GEN_LDU
7453 #undef GEN_LDUX
7454 #undef GEN_LDX_E
7455 #undef GEN_LDS
7456 #define GEN_LD(name, ldop, opc, type) \
7457 GEN_HANDLER(name, opc, 0xFF, 0xFF, 0x00000000, type),
7458 #define GEN_LDU(name, ldop, opc, type) \
7459 GEN_HANDLER(name##u, opc, 0xFF, 0xFF, 0x00000000, type),
7460 #define GEN_LDUX(name, ldop, opc2, opc3, type) \
7461 GEN_HANDLER(name##ux, 0x1F, opc2, opc3, 0x00000001, type),
7462 #define GEN_LDX_E(name, ldop, opc2, opc3, type, type2, chk) \
7463 GEN_HANDLER_E(name##x, 0x1F, opc2, opc3, 0x00000001, type, type2),
7464 #define GEN_LDS(name, ldop, op, type) \
7465 GEN_LD(name, ldop, op | 0x20, type) \
7466 GEN_LDU(name, ldop, op | 0x21, type) \
7467 GEN_LDUX(name, ldop, 0x17, op | 0x01, type) \
7468 GEN_LDX(name, ldop, 0x17, op | 0x00, type)
7469
7470 GEN_LDS(lbz, ld8u, 0x02, PPC_INTEGER)
7471 GEN_LDS(lha, ld16s, 0x0A, PPC_INTEGER)
7472 GEN_LDS(lhz, ld16u, 0x08, PPC_INTEGER)
7473 GEN_LDS(lwz, ld32u, 0x00, PPC_INTEGER)
7474 #if defined(TARGET_PPC64)
7475 GEN_LDUX(lwa, ld32s, 0x15, 0x0B, PPC_64B)
7476 GEN_LDX(lwa, ld32s, 0x15, 0x0A, PPC_64B)
7477 GEN_LDUX(ld, ld64_i64, 0x15, 0x01, PPC_64B)
7478 GEN_LDX(ld, ld64_i64, 0x15, 0x00, PPC_64B)
7479 GEN_LDX_E(ldbr, ld64ur_i64, 0x14, 0x10, PPC_NONE, PPC2_DBRX, CHK_NONE)
7480
7481 /* HV/P7 and later only */
7482 GEN_LDX_HVRM(ldcix, ld64_i64, 0x15, 0x1b, PPC_CILDST)
7483 GEN_LDX_HVRM(lwzcix, ld32u, 0x15, 0x18, PPC_CILDST)
7484 GEN_LDX_HVRM(lhzcix, ld16u, 0x15, 0x19, PPC_CILDST)
7485 GEN_LDX_HVRM(lbzcix, ld8u, 0x15, 0x1a, PPC_CILDST)
7486 #endif
7487 GEN_LDX(lhbr, ld16ur, 0x16, 0x18, PPC_INTEGER)
7488 GEN_LDX(lwbr, ld32ur, 0x16, 0x10, PPC_INTEGER)
7489
7490 /* External PID based load */
7491 #undef GEN_LDEPX
7492 #define GEN_LDEPX(name, ldop, opc2, opc3) \
7493 GEN_HANDLER_E(name##epx, 0x1F, opc2, opc3, \
7494 0x00000001, PPC_NONE, PPC2_BOOKE206),
7495
7496 GEN_LDEPX(lb, DEF_MEMOP(MO_UB), 0x1F, 0x02)
7497 GEN_LDEPX(lh, DEF_MEMOP(MO_UW), 0x1F, 0x08)
7498 GEN_LDEPX(lw, DEF_MEMOP(MO_UL), 0x1F, 0x00)
7499 #if defined(TARGET_PPC64)
7500 GEN_LDEPX(ld, DEF_MEMOP(MO_Q), 0x1D, 0x00)
7501 #endif
7502
7503 #undef GEN_ST
7504 #undef GEN_STU
7505 #undef GEN_STUX
7506 #undef GEN_STX_E
7507 #undef GEN_STS
7508 #define GEN_ST(name, stop, opc, type) \
7509 GEN_HANDLER(name, opc, 0xFF, 0xFF, 0x00000000, type),
7510 #define GEN_STU(name, stop, opc, type) \
7511 GEN_HANDLER(stop##u, opc, 0xFF, 0xFF, 0x00000000, type),
7512 #define GEN_STUX(name, stop, opc2, opc3, type) \
7513 GEN_HANDLER(name##ux, 0x1F, opc2, opc3, 0x00000001, type),
7514 #define GEN_STX_E(name, stop, opc2, opc3, type, type2, chk) \
7515 GEN_HANDLER_E(name##x, 0x1F, opc2, opc3, 0x00000000, type, type2),
7516 #define GEN_STS(name, stop, op, type) \
7517 GEN_ST(name, stop, op | 0x20, type) \
7518 GEN_STU(name, stop, op | 0x21, type) \
7519 GEN_STUX(name, stop, 0x17, op | 0x01, type) \
7520 GEN_STX(name, stop, 0x17, op | 0x00, type)
7521
7522 GEN_STS(stb, st8, 0x06, PPC_INTEGER)
7523 GEN_STS(sth, st16, 0x0C, PPC_INTEGER)
7524 GEN_STS(stw, st32, 0x04, PPC_INTEGER)
7525 #if defined(TARGET_PPC64)
7526 GEN_STUX(std, st64_i64, 0x15, 0x05, PPC_64B)
7527 GEN_STX(std, st64_i64, 0x15, 0x04, PPC_64B)
7528 GEN_STX_E(stdbr, st64r_i64, 0x14, 0x14, PPC_NONE, PPC2_DBRX, CHK_NONE)
7529 GEN_STX_HVRM(stdcix, st64_i64, 0x15, 0x1f, PPC_CILDST)
7530 GEN_STX_HVRM(stwcix, st32, 0x15, 0x1c, PPC_CILDST)
7531 GEN_STX_HVRM(sthcix, st16, 0x15, 0x1d, PPC_CILDST)
7532 GEN_STX_HVRM(stbcix, st8, 0x15, 0x1e, PPC_CILDST)
7533 #endif
7534 GEN_STX(sthbr, st16r, 0x16, 0x1C, PPC_INTEGER)
7535 GEN_STX(stwbr, st32r, 0x16, 0x14, PPC_INTEGER)
7536
7537 #undef GEN_STEPX
7538 #define GEN_STEPX(name, ldop, opc2, opc3) \
7539 GEN_HANDLER_E(name##epx, 0x1F, opc2, opc3, \
7540 0x00000001, PPC_NONE, PPC2_BOOKE206),
7541
7542 GEN_STEPX(stb, DEF_MEMOP(MO_UB), 0x1F, 0x06)
7543 GEN_STEPX(sth, DEF_MEMOP(MO_UW), 0x1F, 0x0C)
7544 GEN_STEPX(stw, DEF_MEMOP(MO_UL), 0x1F, 0x04)
7545 #if defined(TARGET_PPC64)
7546 GEN_STEPX(std, DEF_MEMOP(MO_Q), 0x1D, 0x04)
7547 #endif
7548
7549 #undef GEN_CRLOGIC
7550 #define GEN_CRLOGIC(name, tcg_op, opc) \
7551 GEN_HANDLER(name, 0x13, 0x01, opc, 0x00000001, PPC_INTEGER)
7552 GEN_CRLOGIC(crand, tcg_gen_and_i32, 0x08),
7553 GEN_CRLOGIC(crandc, tcg_gen_andc_i32, 0x04),
7554 GEN_CRLOGIC(creqv, tcg_gen_eqv_i32, 0x09),
7555 GEN_CRLOGIC(crnand, tcg_gen_nand_i32, 0x07),
7556 GEN_CRLOGIC(crnor, tcg_gen_nor_i32, 0x01),
7557 GEN_CRLOGIC(cror, tcg_gen_or_i32, 0x0E),
7558 GEN_CRLOGIC(crorc, tcg_gen_orc_i32, 0x0D),
7559 GEN_CRLOGIC(crxor, tcg_gen_xor_i32, 0x06),
7560
7561 #undef GEN_MAC_HANDLER
7562 #define GEN_MAC_HANDLER(name, opc2, opc3) \
7563 GEN_HANDLER(name, 0x04, opc2, opc3, 0x00000000, PPC_405_MAC)
7564 GEN_MAC_HANDLER(macchw, 0x0C, 0x05),
7565 GEN_MAC_HANDLER(macchwo, 0x0C, 0x15),
7566 GEN_MAC_HANDLER(macchws, 0x0C, 0x07),
7567 GEN_MAC_HANDLER(macchwso, 0x0C, 0x17),
7568 GEN_MAC_HANDLER(macchwsu, 0x0C, 0x06),
7569 GEN_MAC_HANDLER(macchwsuo, 0x0C, 0x16),
7570 GEN_MAC_HANDLER(macchwu, 0x0C, 0x04),
7571 GEN_MAC_HANDLER(macchwuo, 0x0C, 0x14),
7572 GEN_MAC_HANDLER(machhw, 0x0C, 0x01),
7573 GEN_MAC_HANDLER(machhwo, 0x0C, 0x11),
7574 GEN_MAC_HANDLER(machhws, 0x0C, 0x03),
7575 GEN_MAC_HANDLER(machhwso, 0x0C, 0x13),
7576 GEN_MAC_HANDLER(machhwsu, 0x0C, 0x02),
7577 GEN_MAC_HANDLER(machhwsuo, 0x0C, 0x12),
7578 GEN_MAC_HANDLER(machhwu, 0x0C, 0x00),
7579 GEN_MAC_HANDLER(machhwuo, 0x0C, 0x10),
7580 GEN_MAC_HANDLER(maclhw, 0x0C, 0x0D),
7581 GEN_MAC_HANDLER(maclhwo, 0x0C, 0x1D),
7582 GEN_MAC_HANDLER(maclhws, 0x0C, 0x0F),
7583 GEN_MAC_HANDLER(maclhwso, 0x0C, 0x1F),
7584 GEN_MAC_HANDLER(maclhwu, 0x0C, 0x0C),
7585 GEN_MAC_HANDLER(maclhwuo, 0x0C, 0x1C),
7586 GEN_MAC_HANDLER(maclhwsu, 0x0C, 0x0E),
7587 GEN_MAC_HANDLER(maclhwsuo, 0x0C, 0x1E),
7588 GEN_MAC_HANDLER(nmacchw, 0x0E, 0x05),
7589 GEN_MAC_HANDLER(nmacchwo, 0x0E, 0x15),
7590 GEN_MAC_HANDLER(nmacchws, 0x0E, 0x07),
7591 GEN_MAC_HANDLER(nmacchwso, 0x0E, 0x17),
7592 GEN_MAC_HANDLER(nmachhw, 0x0E, 0x01),
7593 GEN_MAC_HANDLER(nmachhwo, 0x0E, 0x11),
7594 GEN_MAC_HANDLER(nmachhws, 0x0E, 0x03),
7595 GEN_MAC_HANDLER(nmachhwso, 0x0E, 0x13),
7596 GEN_MAC_HANDLER(nmaclhw, 0x0E, 0x0D),
7597 GEN_MAC_HANDLER(nmaclhwo, 0x0E, 0x1D),
7598 GEN_MAC_HANDLER(nmaclhws, 0x0E, 0x0F),
7599 GEN_MAC_HANDLER(nmaclhwso, 0x0E, 0x1F),
7600 GEN_MAC_HANDLER(mulchw, 0x08, 0x05),
7601 GEN_MAC_HANDLER(mulchwu, 0x08, 0x04),
7602 GEN_MAC_HANDLER(mulhhw, 0x08, 0x01),
7603 GEN_MAC_HANDLER(mulhhwu, 0x08, 0x00),
7604 GEN_MAC_HANDLER(mullhw, 0x08, 0x0D),
7605 GEN_MAC_HANDLER(mullhwu, 0x08, 0x0C),
7606
7607 GEN_HANDLER2_E(tbegin, "tbegin", 0x1F, 0x0E, 0x14, 0x01DFF800, \
7608 PPC_NONE, PPC2_TM),
7609 GEN_HANDLER2_E(tend, "tend", 0x1F, 0x0E, 0x15, 0x01FFF800, \
7610 PPC_NONE, PPC2_TM),
7611 GEN_HANDLER2_E(tabort, "tabort", 0x1F, 0x0E, 0x1C, 0x03E0F800, \
7612 PPC_NONE, PPC2_TM),
7613 GEN_HANDLER2_E(tabortwc, "tabortwc", 0x1F, 0x0E, 0x18, 0x00000000, \
7614 PPC_NONE, PPC2_TM),
7615 GEN_HANDLER2_E(tabortwci, "tabortwci", 0x1F, 0x0E, 0x1A, 0x00000000, \
7616 PPC_NONE, PPC2_TM),
7617 GEN_HANDLER2_E(tabortdc, "tabortdc", 0x1F, 0x0E, 0x19, 0x00000000, \
7618 PPC_NONE, PPC2_TM),
7619 GEN_HANDLER2_E(tabortdci, "tabortdci", 0x1F, 0x0E, 0x1B, 0x00000000, \
7620 PPC_NONE, PPC2_TM),
7621 GEN_HANDLER2_E(tsr, "tsr", 0x1F, 0x0E, 0x17, 0x03DFF800, \
7622 PPC_NONE, PPC2_TM),
7623 GEN_HANDLER2_E(tcheck, "tcheck", 0x1F, 0x0E, 0x16, 0x007FF800, \
7624 PPC_NONE, PPC2_TM),
7625 GEN_HANDLER2_E(treclaim, "treclaim", 0x1F, 0x0E, 0x1D, 0x03E0F800, \
7626 PPC_NONE, PPC2_TM),
7627 GEN_HANDLER2_E(trechkpt, "trechkpt", 0x1F, 0x0E, 0x1F, 0x03FFF800, \
7628 PPC_NONE, PPC2_TM),
7629
7630 #include "translate/fp-ops.c.inc"
7631
7632 #include "translate/vmx-ops.c.inc"
7633
7634 #include "translate/vsx-ops.c.inc"
7635
7636 #include "translate/dfp-ops.c.inc"
7637
7638 #include "translate/spe-ops.c.inc"
7639 };
7640
7641 #include "helper_regs.h"
7642 #include "translate_init.c.inc"
7643
7644 /*****************************************************************************/
7645 /* Misc PowerPC helpers */
7646 void ppc_cpu_dump_state(CPUState *cs, FILE *f, int flags)
7647 {
7648 #define RGPL 4
7649 #define RFPL 4
7650
7651 PowerPCCPU *cpu = POWERPC_CPU(cs);
7652 CPUPPCState *env = &cpu->env;
7653 int i;
7654
7655 qemu_fprintf(f, "NIP " TARGET_FMT_lx " LR " TARGET_FMT_lx " CTR "
7656 TARGET_FMT_lx " XER " TARGET_FMT_lx " CPU#%d\n",
7657 env->nip, env->lr, env->ctr, cpu_read_xer(env),
7658 cs->cpu_index);
7659 qemu_fprintf(f, "MSR " TARGET_FMT_lx " HID0 " TARGET_FMT_lx " HF "
7660 TARGET_FMT_lx " iidx %d didx %d\n",
7661 env->msr, env->spr[SPR_HID0],
7662 env->hflags, env->immu_idx, env->dmmu_idx);
7663 #if !defined(NO_TIMER_DUMP)
7664 qemu_fprintf(f, "TB %08" PRIu32 " %08" PRIu64
7665 #if !defined(CONFIG_USER_ONLY)
7666 " DECR " TARGET_FMT_lu
7667 #endif
7668 "\n",
7669 cpu_ppc_load_tbu(env), cpu_ppc_load_tbl(env)
7670 #if !defined(CONFIG_USER_ONLY)
7671 , cpu_ppc_load_decr(env)
7672 #endif
7673 );
7674 #endif
7675 for (i = 0; i < 32; i++) {
7676 if ((i & (RGPL - 1)) == 0) {
7677 qemu_fprintf(f, "GPR%02d", i);
7678 }
7679 qemu_fprintf(f, " %016" PRIx64, ppc_dump_gpr(env, i));
7680 if ((i & (RGPL - 1)) == (RGPL - 1)) {
7681 qemu_fprintf(f, "\n");
7682 }
7683 }
7684 qemu_fprintf(f, "CR ");
7685 for (i = 0; i < 8; i++)
7686 qemu_fprintf(f, "%01x", env->crf[i]);
7687 qemu_fprintf(f, " [");
7688 for (i = 0; i < 8; i++) {
7689 char a = '-';
7690 if (env->crf[i] & 0x08) {
7691 a = 'L';
7692 } else if (env->crf[i] & 0x04) {
7693 a = 'G';
7694 } else if (env->crf[i] & 0x02) {
7695 a = 'E';
7696 }
7697 qemu_fprintf(f, " %c%c", a, env->crf[i] & 0x01 ? 'O' : ' ');
7698 }
7699 qemu_fprintf(f, " ] RES " TARGET_FMT_lx "\n",
7700 env->reserve_addr);
7701
7702 if (flags & CPU_DUMP_FPU) {
7703 for (i = 0; i < 32; i++) {
7704 if ((i & (RFPL - 1)) == 0) {
7705 qemu_fprintf(f, "FPR%02d", i);
7706 }
7707 qemu_fprintf(f, " %016" PRIx64, *cpu_fpr_ptr(env, i));
7708 if ((i & (RFPL - 1)) == (RFPL - 1)) {
7709 qemu_fprintf(f, "\n");
7710 }
7711 }
7712 qemu_fprintf(f, "FPSCR " TARGET_FMT_lx "\n", env->fpscr);
7713 }
7714
7715 #if !defined(CONFIG_USER_ONLY)
7716 qemu_fprintf(f, " SRR0 " TARGET_FMT_lx " SRR1 " TARGET_FMT_lx
7717 " PVR " TARGET_FMT_lx " VRSAVE " TARGET_FMT_lx "\n",
7718 env->spr[SPR_SRR0], env->spr[SPR_SRR1],
7719 env->spr[SPR_PVR], env->spr[SPR_VRSAVE]);
7720
7721 qemu_fprintf(f, "SPRG0 " TARGET_FMT_lx " SPRG1 " TARGET_FMT_lx
7722 " SPRG2 " TARGET_FMT_lx " SPRG3 " TARGET_FMT_lx "\n",
7723 env->spr[SPR_SPRG0], env->spr[SPR_SPRG1],
7724 env->spr[SPR_SPRG2], env->spr[SPR_SPRG3]);
7725
7726 qemu_fprintf(f, "SPRG4 " TARGET_FMT_lx " SPRG5 " TARGET_FMT_lx
7727 " SPRG6 " TARGET_FMT_lx " SPRG7 " TARGET_FMT_lx "\n",
7728 env->spr[SPR_SPRG4], env->spr[SPR_SPRG5],
7729 env->spr[SPR_SPRG6], env->spr[SPR_SPRG7]);
7730
7731 #if defined(TARGET_PPC64)
7732 if (env->excp_model == POWERPC_EXCP_POWER7 ||
7733 env->excp_model == POWERPC_EXCP_POWER8 ||
7734 env->excp_model == POWERPC_EXCP_POWER9) {
7735 qemu_fprintf(f, "HSRR0 " TARGET_FMT_lx " HSRR1 " TARGET_FMT_lx "\n",
7736 env->spr[SPR_HSRR0], env->spr[SPR_HSRR1]);
7737 }
7738 #endif
7739 if (env->excp_model == POWERPC_EXCP_BOOKE) {
7740 qemu_fprintf(f, "CSRR0 " TARGET_FMT_lx " CSRR1 " TARGET_FMT_lx
7741 " MCSRR0 " TARGET_FMT_lx " MCSRR1 " TARGET_FMT_lx "\n",
7742 env->spr[SPR_BOOKE_CSRR0], env->spr[SPR_BOOKE_CSRR1],
7743 env->spr[SPR_BOOKE_MCSRR0], env->spr[SPR_BOOKE_MCSRR1]);
7744
7745 qemu_fprintf(f, " TCR " TARGET_FMT_lx " TSR " TARGET_FMT_lx
7746 " ESR " TARGET_FMT_lx " DEAR " TARGET_FMT_lx "\n",
7747 env->spr[SPR_BOOKE_TCR], env->spr[SPR_BOOKE_TSR],
7748 env->spr[SPR_BOOKE_ESR], env->spr[SPR_BOOKE_DEAR]);
7749
7750 qemu_fprintf(f, " PIR " TARGET_FMT_lx " DECAR " TARGET_FMT_lx
7751 " IVPR " TARGET_FMT_lx " EPCR " TARGET_FMT_lx "\n",
7752 env->spr[SPR_BOOKE_PIR], env->spr[SPR_BOOKE_DECAR],
7753 env->spr[SPR_BOOKE_IVPR], env->spr[SPR_BOOKE_EPCR]);
7754
7755 qemu_fprintf(f, " MCSR " TARGET_FMT_lx " SPRG8 " TARGET_FMT_lx
7756 " EPR " TARGET_FMT_lx "\n",
7757 env->spr[SPR_BOOKE_MCSR], env->spr[SPR_BOOKE_SPRG8],
7758 env->spr[SPR_BOOKE_EPR]);
7759
7760 /* FSL-specific */
7761 qemu_fprintf(f, " MCAR " TARGET_FMT_lx " PID1 " TARGET_FMT_lx
7762 " PID2 " TARGET_FMT_lx " SVR " TARGET_FMT_lx "\n",
7763 env->spr[SPR_Exxx_MCAR], env->spr[SPR_BOOKE_PID1],
7764 env->spr[SPR_BOOKE_PID2], env->spr[SPR_E500_SVR]);
7765
7766 /*
7767 * IVORs are left out as they are large and do not change often --
7768 * they can be read with "p $ivor0", "p $ivor1", etc.
7769 */
7770 }
7771
7772 #if defined(TARGET_PPC64)
7773 if (env->flags & POWERPC_FLAG_CFAR) {
7774 qemu_fprintf(f, " CFAR " TARGET_FMT_lx"\n", env->cfar);
7775 }
7776 #endif
7777
7778 if (env->spr_cb[SPR_LPCR].name) {
7779 qemu_fprintf(f, " LPCR " TARGET_FMT_lx "\n", env->spr[SPR_LPCR]);
7780 }
7781
7782 switch (env->mmu_model) {
7783 case POWERPC_MMU_32B:
7784 case POWERPC_MMU_601:
7785 case POWERPC_MMU_SOFT_6xx:
7786 case POWERPC_MMU_SOFT_74xx:
7787 #if defined(TARGET_PPC64)
7788 case POWERPC_MMU_64B:
7789 case POWERPC_MMU_2_03:
7790 case POWERPC_MMU_2_06:
7791 case POWERPC_MMU_2_07:
7792 case POWERPC_MMU_3_00:
7793 #endif
7794 if (env->spr_cb[SPR_SDR1].name) { /* SDR1 Exists */
7795 qemu_fprintf(f, " SDR1 " TARGET_FMT_lx " ", env->spr[SPR_SDR1]);
7796 }
7797 if (env->spr_cb[SPR_PTCR].name) { /* PTCR Exists */
7798 qemu_fprintf(f, " PTCR " TARGET_FMT_lx " ", env->spr[SPR_PTCR]);
7799 }
7800 qemu_fprintf(f, " DAR " TARGET_FMT_lx " DSISR " TARGET_FMT_lx "\n",
7801 env->spr[SPR_DAR], env->spr[SPR_DSISR]);
7802 break;
7803 case POWERPC_MMU_BOOKE206:
7804 qemu_fprintf(f, " MAS0 " TARGET_FMT_lx " MAS1 " TARGET_FMT_lx
7805 " MAS2 " TARGET_FMT_lx " MAS3 " TARGET_FMT_lx "\n",
7806 env->spr[SPR_BOOKE_MAS0], env->spr[SPR_BOOKE_MAS1],
7807 env->spr[SPR_BOOKE_MAS2], env->spr[SPR_BOOKE_MAS3]);
7808
7809 qemu_fprintf(f, " MAS4 " TARGET_FMT_lx " MAS6 " TARGET_FMT_lx
7810 " MAS7 " TARGET_FMT_lx " PID " TARGET_FMT_lx "\n",
7811 env->spr[SPR_BOOKE_MAS4], env->spr[SPR_BOOKE_MAS6],
7812 env->spr[SPR_BOOKE_MAS7], env->spr[SPR_BOOKE_PID]);
7813
7814 qemu_fprintf(f, "MMUCFG " TARGET_FMT_lx " TLB0CFG " TARGET_FMT_lx
7815 " TLB1CFG " TARGET_FMT_lx "\n",
7816 env->spr[SPR_MMUCFG], env->spr[SPR_BOOKE_TLB0CFG],
7817 env->spr[SPR_BOOKE_TLB1CFG]);
7818 break;
7819 default:
7820 break;
7821 }
7822 #endif
7823
7824 #undef RGPL
7825 #undef RFPL
7826 }
7827
7828 void ppc_cpu_dump_statistics(CPUState *cs, int flags)
7829 {
7830 #if defined(DO_PPC_STATISTICS)
7831 PowerPCCPU *cpu = POWERPC_CPU(cs);
7832 opc_handler_t **t1, **t2, **t3, *handler;
7833 int op1, op2, op3;
7834
7835 t1 = cpu->env.opcodes;
7836 for (op1 = 0; op1 < 64; op1++) {
7837 handler = t1[op1];
7838 if (is_indirect_opcode(handler)) {
7839 t2 = ind_table(handler);
7840 for (op2 = 0; op2 < 32; op2++) {
7841 handler = t2[op2];
7842 if (is_indirect_opcode(handler)) {
7843 t3 = ind_table(handler);
7844 for (op3 = 0; op3 < 32; op3++) {
7845 handler = t3[op3];
7846 if (handler->count == 0) {
7847 continue;
7848 }
7849 qemu_printf("%02x %02x %02x (%02x %04d) %16s: "
7850 "%016" PRIx64 " %" PRId64 "\n",
7851 op1, op2, op3, op1, (op3 << 5) | op2,
7852 handler->oname,
7853 handler->count, handler->count);
7854 }
7855 } else {
7856 if (handler->count == 0) {
7857 continue;
7858 }
7859 qemu_printf("%02x %02x (%02x %04d) %16s: "
7860 "%016" PRIx64 " %" PRId64 "\n",
7861 op1, op2, op1, op2, handler->oname,
7862 handler->count, handler->count);
7863 }
7864 }
7865 } else {
7866 if (handler->count == 0) {
7867 continue;
7868 }
7869 qemu_printf("%02x (%02x ) %16s: %016" PRIx64
7870 " %" PRId64 "\n",
7871 op1, op1, handler->oname,
7872 handler->count, handler->count);
7873 }
7874 }
7875 #endif
7876 }
7877
7878 static void ppc_tr_init_disas_context(DisasContextBase *dcbase, CPUState *cs)
7879 {
7880 DisasContext *ctx = container_of(dcbase, DisasContext, base);
7881 CPUPPCState *env = cs->env_ptr;
7882 int bound;
7883
7884 ctx->exception = POWERPC_EXCP_NONE;
7885 ctx->spr_cb = env->spr_cb;
7886 ctx->pr = msr_pr;
7887 ctx->mem_idx = env->dmmu_idx;
7888 ctx->dr = msr_dr;
7889 #if !defined(CONFIG_USER_ONLY)
7890 ctx->hv = msr_hv || !env->has_hv_mode;
7891 #endif
7892 ctx->insns_flags = env->insns_flags;
7893 ctx->insns_flags2 = env->insns_flags2;
7894 ctx->access_type = -1;
7895 ctx->need_access_type = !mmu_is_64bit(env->mmu_model);
7896 ctx->le_mode = !!(env->hflags & (1 << MSR_LE));
7897 ctx->default_tcg_memop_mask = ctx->le_mode ? MO_LE : MO_BE;
7898 ctx->flags = env->flags;
7899 #if defined(TARGET_PPC64)
7900 ctx->sf_mode = msr_is_64bit(env, env->msr);
7901 ctx->has_cfar = !!(env->flags & POWERPC_FLAG_CFAR);
7902 #endif
7903 ctx->lazy_tlb_flush = env->mmu_model == POWERPC_MMU_32B
7904 || env->mmu_model == POWERPC_MMU_601
7905 || env->mmu_model & POWERPC_MMU_64;
7906
7907 ctx->fpu_enabled = !!msr_fp;
7908 if ((env->flags & POWERPC_FLAG_SPE) && msr_spe) {
7909 ctx->spe_enabled = !!msr_spe;
7910 } else {
7911 ctx->spe_enabled = false;
7912 }
7913 if ((env->flags & POWERPC_FLAG_VRE) && msr_vr) {
7914 ctx->altivec_enabled = !!msr_vr;
7915 } else {
7916 ctx->altivec_enabled = false;
7917 }
7918 if ((env->flags & POWERPC_FLAG_VSX) && msr_vsx) {
7919 ctx->vsx_enabled = !!msr_vsx;
7920 } else {
7921 ctx->vsx_enabled = false;
7922 }
7923 if ((env->flags & POWERPC_FLAG_SCV)
7924 && (env->spr[SPR_FSCR] & (1ull << FSCR_SCV))) {
7925 ctx->scv_enabled = true;
7926 } else {
7927 ctx->scv_enabled = false;
7928 }
7929 #if defined(TARGET_PPC64)
7930 if ((env->flags & POWERPC_FLAG_TM) && msr_tm) {
7931 ctx->tm_enabled = !!msr_tm;
7932 } else {
7933 ctx->tm_enabled = false;
7934 }
7935 #endif
7936 ctx->gtse = !!(env->spr[SPR_LPCR] & LPCR_GTSE);
7937 if ((env->flags & POWERPC_FLAG_SE) && msr_se) {
7938 ctx->singlestep_enabled = CPU_SINGLE_STEP;
7939 } else {
7940 ctx->singlestep_enabled = 0;
7941 }
7942 if ((env->flags & POWERPC_FLAG_BE) && msr_be) {
7943 ctx->singlestep_enabled |= CPU_BRANCH_STEP;
7944 }
7945 if ((env->flags & POWERPC_FLAG_DE) && msr_de) {
7946 ctx->singlestep_enabled = 0;
7947 target_ulong dbcr0 = env->spr[SPR_BOOKE_DBCR0];
7948 if (dbcr0 & DBCR0_ICMP) {
7949 ctx->singlestep_enabled |= CPU_SINGLE_STEP;
7950 }
7951 if (dbcr0 & DBCR0_BRT) {
7952 ctx->singlestep_enabled |= CPU_BRANCH_STEP;
7953 }
7954
7955 }
7956 if (unlikely(ctx->base.singlestep_enabled)) {
7957 ctx->singlestep_enabled |= GDBSTUB_SINGLE_STEP;
7958 }
7959 #if defined(DO_SINGLE_STEP) && 0
7960 /* Single step trace mode */
7961 msr_se = 1;
7962 #endif
7963
7964 bound = -(ctx->base.pc_first | TARGET_PAGE_MASK) / 4;
7965 ctx->base.max_insns = MIN(ctx->base.max_insns, bound);
7966 }
7967
7968 static void ppc_tr_tb_start(DisasContextBase *db, CPUState *cs)
7969 {
7970 }
7971
7972 static void ppc_tr_insn_start(DisasContextBase *dcbase, CPUState *cs)
7973 {
7974 tcg_gen_insn_start(dcbase->pc_next);
7975 }
7976
7977 static bool ppc_tr_breakpoint_check(DisasContextBase *dcbase, CPUState *cs,
7978 const CPUBreakpoint *bp)
7979 {
7980 DisasContext *ctx = container_of(dcbase, DisasContext, base);
7981
7982 gen_debug_exception(ctx);
7983 dcbase->is_jmp = DISAS_NORETURN;
7984 /*
7985 * The address covered by the breakpoint must be included in
7986 * [tb->pc, tb->pc + tb->size) in order to for it to be properly
7987 * cleared -- thus we increment the PC here so that the logic
7988 * setting tb->size below does the right thing.
7989 */
7990 ctx->base.pc_next += 4;
7991 return true;
7992 }
7993
7994 static void ppc_tr_translate_insn(DisasContextBase *dcbase, CPUState *cs)
7995 {
7996 DisasContext *ctx = container_of(dcbase, DisasContext, base);
7997 PowerPCCPU *cpu = POWERPC_CPU(cs);
7998 CPUPPCState *env = cs->env_ptr;
7999 opc_handler_t **table, *handler;
8000
8001 LOG_DISAS("----------------\n");
8002 LOG_DISAS("nip=" TARGET_FMT_lx " super=%d ir=%d\n",
8003 ctx->base.pc_next, ctx->mem_idx, (int)msr_ir);
8004
8005 ctx->opcode = translator_ldl_swap(env, ctx->base.pc_next,
8006 need_byteswap(ctx));
8007
8008 LOG_DISAS("translate opcode %08x (%02x %02x %02x %02x) (%s)\n",
8009 ctx->opcode, opc1(ctx->opcode), opc2(ctx->opcode),
8010 opc3(ctx->opcode), opc4(ctx->opcode),
8011 ctx->le_mode ? "little" : "big");
8012 ctx->base.pc_next += 4;
8013 table = cpu->opcodes;
8014 handler = table[opc1(ctx->opcode)];
8015 if (is_indirect_opcode(handler)) {
8016 table = ind_table(handler);
8017 handler = table[opc2(ctx->opcode)];
8018 if (is_indirect_opcode(handler)) {
8019 table = ind_table(handler);
8020 handler = table[opc3(ctx->opcode)];
8021 if (is_indirect_opcode(handler)) {
8022 table = ind_table(handler);
8023 handler = table[opc4(ctx->opcode)];
8024 }
8025 }
8026 }
8027 /* Is opcode *REALLY* valid ? */
8028 if (unlikely(handler->handler == &gen_invalid)) {
8029 qemu_log_mask(LOG_GUEST_ERROR, "invalid/unsupported opcode: "
8030 "%02x - %02x - %02x - %02x (%08x) "
8031 TARGET_FMT_lx " %d\n",
8032 opc1(ctx->opcode), opc2(ctx->opcode),
8033 opc3(ctx->opcode), opc4(ctx->opcode),
8034 ctx->opcode, ctx->base.pc_next - 4, (int)msr_ir);
8035 } else {
8036 uint32_t inval;
8037
8038 if (unlikely(handler->type & (PPC_SPE | PPC_SPE_SINGLE | PPC_SPE_DOUBLE)
8039 && Rc(ctx->opcode))) {
8040 inval = handler->inval2;
8041 } else {
8042 inval = handler->inval1;
8043 }
8044
8045 if (unlikely((ctx->opcode & inval) != 0)) {
8046 qemu_log_mask(LOG_GUEST_ERROR, "invalid bits: %08x for opcode: "
8047 "%02x - %02x - %02x - %02x (%08x) "
8048 TARGET_FMT_lx "\n", ctx->opcode & inval,
8049 opc1(ctx->opcode), opc2(ctx->opcode),
8050 opc3(ctx->opcode), opc4(ctx->opcode),
8051 ctx->opcode, ctx->base.pc_next - 4);
8052 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
8053 ctx->base.is_jmp = DISAS_NORETURN;
8054 return;
8055 }
8056 }
8057 (*(handler->handler))(ctx);
8058 #if defined(DO_PPC_STATISTICS)
8059 handler->count++;
8060 #endif
8061 /* Check trace mode exceptions */
8062 if (unlikely(ctx->singlestep_enabled & CPU_SINGLE_STEP &&
8063 (ctx->base.pc_next <= 0x100 || ctx->base.pc_next > 0xF00) &&
8064 ctx->exception != POWERPC_SYSCALL &&
8065 ctx->exception != POWERPC_EXCP_TRAP &&
8066 ctx->exception != POWERPC_EXCP_BRANCH)) {
8067 uint32_t excp = gen_prep_dbgex(ctx);
8068 gen_exception_nip(ctx, excp, ctx->base.pc_next);
8069 }
8070
8071 if (tcg_check_temp_count()) {
8072 qemu_log("Opcode %02x %02x %02x %02x (%08x) leaked "
8073 "temporaries\n", opc1(ctx->opcode), opc2(ctx->opcode),
8074 opc3(ctx->opcode), opc4(ctx->opcode), ctx->opcode);
8075 }
8076
8077 ctx->base.is_jmp = ctx->exception == POWERPC_EXCP_NONE ?
8078 DISAS_NEXT : DISAS_NORETURN;
8079 }
8080
8081 static void ppc_tr_tb_stop(DisasContextBase *dcbase, CPUState *cs)
8082 {
8083 DisasContext *ctx = container_of(dcbase, DisasContext, base);
8084
8085 if (ctx->exception == POWERPC_EXCP_NONE) {
8086 gen_goto_tb(ctx, 0, ctx->base.pc_next);
8087 } else if (ctx->exception != POWERPC_EXCP_BRANCH) {
8088 if (unlikely(ctx->base.singlestep_enabled)) {
8089 gen_debug_exception(ctx);
8090 }
8091 /* Generate the return instruction */
8092 tcg_gen_exit_tb(NULL, 0);
8093 }
8094 }
8095
8096 static void ppc_tr_disas_log(const DisasContextBase *dcbase, CPUState *cs)
8097 {
8098 qemu_log("IN: %s\n", lookup_symbol(dcbase->pc_first));
8099 log_target_disas(cs, dcbase->pc_first, dcbase->tb->size);
8100 }
8101
8102 static const TranslatorOps ppc_tr_ops = {
8103 .init_disas_context = ppc_tr_init_disas_context,
8104 .tb_start = ppc_tr_tb_start,
8105 .insn_start = ppc_tr_insn_start,
8106 .breakpoint_check = ppc_tr_breakpoint_check,
8107 .translate_insn = ppc_tr_translate_insn,
8108 .tb_stop = ppc_tr_tb_stop,
8109 .disas_log = ppc_tr_disas_log,
8110 };
8111
8112 void gen_intermediate_code(CPUState *cs, TranslationBlock *tb, int max_insns)
8113 {
8114 DisasContext ctx;
8115
8116 translator_loop(&ppc_tr_ops, &ctx.base, cs, tb, max_insns);
8117 }
8118
8119 void restore_state_to_opc(CPUPPCState *env, TranslationBlock *tb,
8120 target_ulong *data)
8121 {
8122 env->nip = data[0];
8123 }
AR7 emulation for QEMU