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MAINTAINERS: Remove Peter Crosthwaite from various entries
[qemu/ar7.git] / target / ppc / translate.c
blobe169c43643a18f698846550ba479cafbd0e38023
1 /*
2 * PowerPC emulation for qemu: main translation routines.
3 *
4 * Copyright (c) 2003-2007 Jocelyn Mayer
5 * Copyright (C) 2011 Freescale Semiconductor, Inc.
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2 of the License, or (at your option) any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
19 */
20
21 #include "qemu/osdep.h"
22 #include "cpu.h"
23 #include "internal.h"
24 #include "disas/disas.h"
25 #include "exec/exec-all.h"
26 #include "tcg-op.h"
27 #include "qemu/host-utils.h"
28 #include "exec/cpu_ldst.h"
29
30 #include "exec/helper-proto.h"
31 #include "exec/helper-gen.h"
32
33 #include "trace-tcg.h"
34 #include "exec/translator.h"
35 #include "exec/log.h"
36 #include "qemu/atomic128.h"
37
38
39 #define CPU_SINGLE_STEP 0x1
40 #define CPU_BRANCH_STEP 0x2
41 #define GDBSTUB_SINGLE_STEP 0x4
42
43 /* Include definitions for instructions classes and implementations flags */
44 //#define PPC_DEBUG_DISAS
45 //#define DO_PPC_STATISTICS
46
47 #ifdef PPC_DEBUG_DISAS
48 # define LOG_DISAS(...) qemu_log_mask(CPU_LOG_TB_IN_ASM, ## __VA_ARGS__)
49 #else
50 # define LOG_DISAS(...) do { } while (0)
51 #endif
52 /*****************************************************************************/
53 /* Code translation helpers */
54
55 /* global register indexes */
56 static char cpu_reg_names[10*3 + 22*4 /* GPR */
57 + 10*4 + 22*5 /* SPE GPRh */
58 + 8*5 /* CRF */];
59 static TCGv cpu_gpr[32];
60 static TCGv cpu_gprh[32];
61 static TCGv_i32 cpu_crf[8];
62 static TCGv cpu_nip;
63 static TCGv cpu_msr;
64 static TCGv cpu_ctr;
65 static TCGv cpu_lr;
66 #if defined(TARGET_PPC64)
67 static TCGv cpu_cfar;
68 #endif
69 static TCGv cpu_xer, cpu_so, cpu_ov, cpu_ca, cpu_ov32, cpu_ca32;
70 static TCGv cpu_reserve;
71 static TCGv cpu_reserve_val;
72 static TCGv cpu_fpscr;
73 static TCGv_i32 cpu_access_type;
74
75 #include "exec/gen-icount.h"
76
77 void ppc_translate_init(void)
78 {
79 int i;
80 char* p;
81 size_t cpu_reg_names_size;
82
83 p = cpu_reg_names;
84 cpu_reg_names_size = sizeof(cpu_reg_names);
85
86 for (i = 0; i < 8; i++) {
87 snprintf(p, cpu_reg_names_size, "crf%d", i);
88 cpu_crf[i] = tcg_global_mem_new_i32(cpu_env,
89 offsetof(CPUPPCState, crf[i]), p);
90 p += 5;
91 cpu_reg_names_size -= 5;
92 }
93
94 for (i = 0; i < 32; i++) {
95 snprintf(p, cpu_reg_names_size, "r%d", i);
96 cpu_gpr[i] = tcg_global_mem_new(cpu_env,
97 offsetof(CPUPPCState, gpr[i]), p);
98 p += (i < 10) ? 3 : 4;
99 cpu_reg_names_size -= (i < 10) ? 3 : 4;
100 snprintf(p, cpu_reg_names_size, "r%dH", i);
101 cpu_gprh[i] = tcg_global_mem_new(cpu_env,
102 offsetof(CPUPPCState, gprh[i]), p);
103 p += (i < 10) ? 4 : 5;
104 cpu_reg_names_size -= (i < 10) ? 4 : 5;
105 }
106
107 cpu_nip = tcg_global_mem_new(cpu_env,
108 offsetof(CPUPPCState, nip), "nip");
109
110 cpu_msr = tcg_global_mem_new(cpu_env,
111 offsetof(CPUPPCState, msr), "msr");
112
113 cpu_ctr = tcg_global_mem_new(cpu_env,
114 offsetof(CPUPPCState, ctr), "ctr");
115
116 cpu_lr = tcg_global_mem_new(cpu_env,
117 offsetof(CPUPPCState, lr), "lr");
118
119 #if defined(TARGET_PPC64)
120 cpu_cfar = tcg_global_mem_new(cpu_env,
121 offsetof(CPUPPCState, cfar), "cfar");
122 #endif
123
124 cpu_xer = tcg_global_mem_new(cpu_env,
125 offsetof(CPUPPCState, xer), "xer");
126 cpu_so = tcg_global_mem_new(cpu_env,
127 offsetof(CPUPPCState, so), "SO");
128 cpu_ov = tcg_global_mem_new(cpu_env,
129 offsetof(CPUPPCState, ov), "OV");
130 cpu_ca = tcg_global_mem_new(cpu_env,
131 offsetof(CPUPPCState, ca), "CA");
132 cpu_ov32 = tcg_global_mem_new(cpu_env,
133 offsetof(CPUPPCState, ov32), "OV32");
134 cpu_ca32 = tcg_global_mem_new(cpu_env,
135 offsetof(CPUPPCState, ca32), "CA32");
136
137 cpu_reserve = tcg_global_mem_new(cpu_env,
138 offsetof(CPUPPCState, reserve_addr),
139 "reserve_addr");
140 cpu_reserve_val = tcg_global_mem_new(cpu_env,
141 offsetof(CPUPPCState, reserve_val),
142 "reserve_val");
143
144 cpu_fpscr = tcg_global_mem_new(cpu_env,
145 offsetof(CPUPPCState, fpscr), "fpscr");
146
147 cpu_access_type = tcg_global_mem_new_i32(cpu_env,
148 offsetof(CPUPPCState, access_type), "access_type");
149 }
150
151 /* internal defines */
152 struct DisasContext {
153 DisasContextBase base;
154 uint32_t opcode;
155 uint32_t exception;
156 /* Routine used to access memory */
157 bool pr, hv, dr, le_mode;
158 bool lazy_tlb_flush;
159 bool need_access_type;
160 int mem_idx;
161 int access_type;
162 /* Translation flags */
163 TCGMemOp default_tcg_memop_mask;
164 #if defined(TARGET_PPC64)
165 bool sf_mode;
166 bool has_cfar;
167 #endif
168 bool fpu_enabled;
169 bool altivec_enabled;
170 bool vsx_enabled;
171 bool spe_enabled;
172 bool tm_enabled;
173 bool gtse;
174 ppc_spr_t *spr_cb; /* Needed to check rights for mfspr/mtspr */
175 int singlestep_enabled;
176 uint32_t flags;
177 uint64_t insns_flags;
178 uint64_t insns_flags2;
179 };
180
181 /* Return true iff byteswap is needed in a scalar memop */
182 static inline bool need_byteswap(const DisasContext *ctx)
183 {
184 #if defined(TARGET_WORDS_BIGENDIAN)
185 return ctx->le_mode;
186 #else
187 return !ctx->le_mode;
188 #endif
189 }
190
191 /* True when active word size < size of target_long. */
192 #ifdef TARGET_PPC64
193 # define NARROW_MODE(C) (!(C)->sf_mode)
194 #else
195 # define NARROW_MODE(C) 0
196 #endif
197
198 struct opc_handler_t {
199 /* invalid bits for instruction 1 (Rc(opcode) == 0) */
200 uint32_t inval1;
201 /* invalid bits for instruction 2 (Rc(opcode) == 1) */
202 uint32_t inval2;
203 /* instruction type */
204 uint64_t type;
205 /* extended instruction type */
206 uint64_t type2;
207 /* handler */
208 void (*handler)(DisasContext *ctx);
209 #if defined(DO_PPC_STATISTICS) || defined(PPC_DUMP_CPU)
210 const char *oname;
211 #endif
212 #if defined(DO_PPC_STATISTICS)
213 uint64_t count;
214 #endif
215 };
216
217 /* SPR load/store helpers */
218 static inline void gen_load_spr(TCGv t, int reg)
219 {
220 tcg_gen_ld_tl(t, cpu_env, offsetof(CPUPPCState, spr[reg]));
221 }
222
223 static inline void gen_store_spr(int reg, TCGv t)
224 {
225 tcg_gen_st_tl(t, cpu_env, offsetof(CPUPPCState, spr[reg]));
226 }
227
228 static inline void gen_set_access_type(DisasContext *ctx, int access_type)
229 {
230 if (ctx->need_access_type && ctx->access_type != access_type) {
231 tcg_gen_movi_i32(cpu_access_type, access_type);
232 ctx->access_type = access_type;
233 }
234 }
235
236 static inline void gen_update_nip(DisasContext *ctx, target_ulong nip)
237 {
238 if (NARROW_MODE(ctx)) {
239 nip = (uint32_t)nip;
240 }
241 tcg_gen_movi_tl(cpu_nip, nip);
242 }
243
244 static void gen_exception_err(DisasContext *ctx, uint32_t excp, uint32_t error)
245 {
246 TCGv_i32 t0, t1;
247
248 /* These are all synchronous exceptions, we set the PC back to
249 * the faulting instruction
250 */
251 if (ctx->exception == POWERPC_EXCP_NONE) {
252 gen_update_nip(ctx, ctx->base.pc_next - 4);
253 }
254 t0 = tcg_const_i32(excp);
255 t1 = tcg_const_i32(error);
256 gen_helper_raise_exception_err(cpu_env, t0, t1);
257 tcg_temp_free_i32(t0);
258 tcg_temp_free_i32(t1);
259 ctx->exception = (excp);
260 }
261
262 static void gen_exception(DisasContext *ctx, uint32_t excp)
263 {
264 TCGv_i32 t0;
265
266 /* These are all synchronous exceptions, we set the PC back to
267 * the faulting instruction
268 */
269 if (ctx->exception == POWERPC_EXCP_NONE) {
270 gen_update_nip(ctx, ctx->base.pc_next - 4);
271 }
272 t0 = tcg_const_i32(excp);
273 gen_helper_raise_exception(cpu_env, t0);
274 tcg_temp_free_i32(t0);
275 ctx->exception = (excp);
276 }
277
278 static void gen_exception_nip(DisasContext *ctx, uint32_t excp,
279 target_ulong nip)
280 {
281 TCGv_i32 t0;
282
283 gen_update_nip(ctx, nip);
284 t0 = tcg_const_i32(excp);
285 gen_helper_raise_exception(cpu_env, t0);
286 tcg_temp_free_i32(t0);
287 ctx->exception = (excp);
288 }
289
290 /* Translates the EXCP_TRACE/BRANCH exceptions used on most PowerPCs to
291 * EXCP_DEBUG, if we are running on cores using the debug enable bit (e.g.
292 * BookE).
293 */
294 static uint32_t gen_prep_dbgex(DisasContext *ctx, uint32_t excp)
295 {
296 if ((ctx->singlestep_enabled & CPU_SINGLE_STEP)
297 && (excp == POWERPC_EXCP_BRANCH)) {
298 /* Trace excpt. has priority */
299 excp = POWERPC_EXCP_TRACE;
300 }
301 if (ctx->flags & POWERPC_FLAG_DE) {
302 target_ulong dbsr = 0;
303 switch (excp) {
304 case POWERPC_EXCP_TRACE:
305 dbsr = DBCR0_ICMP;
306 break;
307 case POWERPC_EXCP_BRANCH:
308 dbsr = DBCR0_BRT;
309 break;
310 }
311 TCGv t0 = tcg_temp_new();
312 gen_load_spr(t0, SPR_BOOKE_DBSR);
313 tcg_gen_ori_tl(t0, t0, dbsr);
314 gen_store_spr(SPR_BOOKE_DBSR, t0);
315 tcg_temp_free(t0);
316 return POWERPC_EXCP_DEBUG;
317 } else {
318 return excp;
319 }
320 }
321
322 static void gen_debug_exception(DisasContext *ctx)
323 {
324 TCGv_i32 t0;
325
326 /* These are all synchronous exceptions, we set the PC back to
327 * the faulting instruction
328 */
329 if ((ctx->exception != POWERPC_EXCP_BRANCH) &&
330 (ctx->exception != POWERPC_EXCP_SYNC)) {
331 gen_update_nip(ctx, ctx->base.pc_next);
332 }
333 t0 = tcg_const_i32(EXCP_DEBUG);
334 gen_helper_raise_exception(cpu_env, t0);
335 tcg_temp_free_i32(t0);
336 }
337
338 static inline void gen_inval_exception(DisasContext *ctx, uint32_t error)
339 {
340 /* Will be converted to program check if needed */
341 gen_exception_err(ctx, POWERPC_EXCP_HV_EMU, POWERPC_EXCP_INVAL | error);
342 }
343
344 static inline void gen_priv_exception(DisasContext *ctx, uint32_t error)
345 {
346 gen_exception_err(ctx, POWERPC_EXCP_PROGRAM, POWERPC_EXCP_PRIV | error);
347 }
348
349 static inline void gen_hvpriv_exception(DisasContext *ctx, uint32_t error)
350 {
351 /* Will be converted to program check if needed */
352 gen_exception_err(ctx, POWERPC_EXCP_HV_EMU, POWERPC_EXCP_PRIV | error);
353 }
354
355 /* Stop translation */
356 static inline void gen_stop_exception(DisasContext *ctx)
357 {
358 gen_update_nip(ctx, ctx->base.pc_next);
359 ctx->exception = POWERPC_EXCP_STOP;
360 }
361
362 #ifndef CONFIG_USER_ONLY
363 /* No need to update nip here, as execution flow will change */
364 static inline void gen_sync_exception(DisasContext *ctx)
365 {
366 ctx->exception = POWERPC_EXCP_SYNC;
367 }
368 #endif
369
370 #define GEN_HANDLER(name, opc1, opc2, opc3, inval, type) \
371 GEN_OPCODE(name, opc1, opc2, opc3, inval, type, PPC_NONE)
372
373 #define GEN_HANDLER_E(name, opc1, opc2, opc3, inval, type, type2) \
374 GEN_OPCODE(name, opc1, opc2, opc3, inval, type, type2)
375
376 #define GEN_HANDLER2(name, onam, opc1, opc2, opc3, inval, type) \
377 GEN_OPCODE2(name, onam, opc1, opc2, opc3, inval, type, PPC_NONE)
378
379 #define GEN_HANDLER2_E(name, onam, opc1, opc2, opc3, inval, type, type2) \
380 GEN_OPCODE2(name, onam, opc1, opc2, opc3, inval, type, type2)
381
382 #define GEN_HANDLER_E_2(name, opc1, opc2, opc3, opc4, inval, type, type2) \
383 GEN_OPCODE3(name, opc1, opc2, opc3, opc4, inval, type, type2)
384
385 #define GEN_HANDLER2_E_2(name, onam, opc1, opc2, opc3, opc4, inval, typ, typ2) \
386 GEN_OPCODE4(name, onam, opc1, opc2, opc3, opc4, inval, typ, typ2)
387
388 typedef struct opcode_t {
389 unsigned char opc1, opc2, opc3, opc4;
390 #if HOST_LONG_BITS == 64 /* Explicitly align to 64 bits */
391 unsigned char pad[4];
392 #endif
393 opc_handler_t handler;
394 const char *oname;
395 } opcode_t;
396
397 /* Helpers for priv. check */
398 #define GEN_PRIV \
399 do { \
400 gen_priv_exception(ctx, POWERPC_EXCP_PRIV_OPC); return; \
401 } while (0)
402
403 #if defined(CONFIG_USER_ONLY)
404 #define CHK_HV GEN_PRIV
405 #define CHK_SV GEN_PRIV
406 #define CHK_HVRM GEN_PRIV
407 #else
408 #define CHK_HV \
409 do { \
410 if (unlikely(ctx->pr || !ctx->hv)) { \
411 GEN_PRIV; \
412 } \
413 } while (0)
414 #define CHK_SV \
415 do { \
416 if (unlikely(ctx->pr)) { \
417 GEN_PRIV; \
418 } \
419 } while (0)
420 #define CHK_HVRM \
421 do { \
422 if (unlikely(ctx->pr || !ctx->hv || ctx->dr)) { \
423 GEN_PRIV; \
424 } \
425 } while (0)
426 #endif
427
428 #define CHK_NONE
429
430 /*****************************************************************************/
431 /* PowerPC instructions table */
432
433 #if defined(DO_PPC_STATISTICS)
434 #define GEN_OPCODE(name, op1, op2, op3, invl, _typ, _typ2) \
435 { \
436 .opc1 = op1, \
437 .opc2 = op2, \
438 .opc3 = op3, \
439 .opc4 = 0xff, \
440 .handler = { \
441 .inval1 = invl, \
442 .type = _typ, \
443 .type2 = _typ2, \
444 .handler = &gen_##name, \
445 .oname = stringify(name), \
446 }, \
447 .oname = stringify(name), \
448 }
449 #define GEN_OPCODE_DUAL(name, op1, op2, op3, invl1, invl2, _typ, _typ2) \
450 { \
451 .opc1 = op1, \
452 .opc2 = op2, \
453 .opc3 = op3, \
454 .opc4 = 0xff, \
455 .handler = { \
456 .inval1 = invl1, \
457 .inval2 = invl2, \
458 .type = _typ, \
459 .type2 = _typ2, \
460 .handler = &gen_##name, \
461 .oname = stringify(name), \
462 }, \
463 .oname = stringify(name), \
464 }
465 #define GEN_OPCODE2(name, onam, op1, op2, op3, invl, _typ, _typ2) \
466 { \
467 .opc1 = op1, \
468 .opc2 = op2, \
469 .opc3 = op3, \
470 .opc4 = 0xff, \
471 .handler = { \
472 .inval1 = invl, \
473 .type = _typ, \
474 .type2 = _typ2, \
475 .handler = &gen_##name, \
476 .oname = onam, \
477 }, \
478 .oname = onam, \
479 }
480 #define GEN_OPCODE3(name, op1, op2, op3, op4, invl, _typ, _typ2) \
481 { \
482 .opc1 = op1, \
483 .opc2 = op2, \
484 .opc3 = op3, \
485 .opc4 = op4, \
486 .handler = { \
487 .inval1 = invl, \
488 .type = _typ, \
489 .type2 = _typ2, \
490 .handler = &gen_##name, \
491 .oname = stringify(name), \
492 }, \
493 .oname = stringify(name), \
494 }
495 #define GEN_OPCODE4(name, onam, op1, op2, op3, op4, invl, _typ, _typ2) \
496 { \
497 .opc1 = op1, \
498 .opc2 = op2, \
499 .opc3 = op3, \
500 .opc4 = op4, \
501 .handler = { \
502 .inval1 = invl, \
503 .type = _typ, \
504 .type2 = _typ2, \
505 .handler = &gen_##name, \
506 .oname = onam, \
507 }, \
508 .oname = onam, \
509 }
510 #else
511 #define GEN_OPCODE(name, op1, op2, op3, invl, _typ, _typ2) \
512 { \
513 .opc1 = op1, \
514 .opc2 = op2, \
515 .opc3 = op3, \
516 .opc4 = 0xff, \
517 .handler = { \
518 .inval1 = invl, \
519 .type = _typ, \
520 .type2 = _typ2, \
521 .handler = &gen_##name, \
522 }, \
523 .oname = stringify(name), \
524 }
525 #define GEN_OPCODE_DUAL(name, op1, op2, op3, invl1, invl2, _typ, _typ2) \
526 { \
527 .opc1 = op1, \
528 .opc2 = op2, \
529 .opc3 = op3, \
530 .opc4 = 0xff, \
531 .handler = { \
532 .inval1 = invl1, \
533 .inval2 = invl2, \
534 .type = _typ, \
535 .type2 = _typ2, \
536 .handler = &gen_##name, \
537 }, \
538 .oname = stringify(name), \
539 }
540 #define GEN_OPCODE2(name, onam, op1, op2, op3, invl, _typ, _typ2) \
541 { \
542 .opc1 = op1, \
543 .opc2 = op2, \
544 .opc3 = op3, \
545 .opc4 = 0xff, \
546 .handler = { \
547 .inval1 = invl, \
548 .type = _typ, \
549 .type2 = _typ2, \
550 .handler = &gen_##name, \
551 }, \
552 .oname = onam, \
553 }
554 #define GEN_OPCODE3(name, op1, op2, op3, op4, invl, _typ, _typ2) \
555 { \
556 .opc1 = op1, \
557 .opc2 = op2, \
558 .opc3 = op3, \
559 .opc4 = op4, \
560 .handler = { \
561 .inval1 = invl, \
562 .type = _typ, \
563 .type2 = _typ2, \
564 .handler = &gen_##name, \
565 }, \
566 .oname = stringify(name), \
567 }
568 #define GEN_OPCODE4(name, onam, op1, op2, op3, op4, invl, _typ, _typ2) \
569 { \
570 .opc1 = op1, \
571 .opc2 = op2, \
572 .opc3 = op3, \
573 .opc4 = op4, \
574 .handler = { \
575 .inval1 = invl, \
576 .type = _typ, \
577 .type2 = _typ2, \
578 .handler = &gen_##name, \
579 }, \
580 .oname = onam, \
581 }
582 #endif
583
584 /* Invalid instruction */
585 static void gen_invalid(DisasContext *ctx)
586 {
587 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
588 }
589
590 static opc_handler_t invalid_handler = {
591 .inval1 = 0xFFFFFFFF,
592 .inval2 = 0xFFFFFFFF,
593 .type = PPC_NONE,
594 .type2 = PPC_NONE,
595 .handler = gen_invalid,
596 };
597
598 /*** Integer comparison ***/
599
600 static inline void gen_op_cmp(TCGv arg0, TCGv arg1, int s, int crf)
601 {
602 TCGv t0 = tcg_temp_new();
603 TCGv t1 = tcg_temp_new();
604 TCGv_i32 t = tcg_temp_new_i32();
605
606 tcg_gen_movi_tl(t0, CRF_EQ);
607 tcg_gen_movi_tl(t1, CRF_LT);
608 tcg_gen_movcond_tl((s ? TCG_COND_LT : TCG_COND_LTU), t0, arg0, arg1, t1, t0);
609 tcg_gen_movi_tl(t1, CRF_GT);
610 tcg_gen_movcond_tl((s ? TCG_COND_GT : TCG_COND_GTU), t0, arg0, arg1, t1, t0);
611
612 tcg_gen_trunc_tl_i32(t, t0);
613 tcg_gen_trunc_tl_i32(cpu_crf[crf], cpu_so);
614 tcg_gen_or_i32(cpu_crf[crf], cpu_crf[crf], t);
615
616 tcg_temp_free(t0);
617 tcg_temp_free(t1);
618 tcg_temp_free_i32(t);
619 }
620
621 static inline void gen_op_cmpi(TCGv arg0, target_ulong arg1, int s, int crf)
622 {
623 TCGv t0 = tcg_const_tl(arg1);
624 gen_op_cmp(arg0, t0, s, crf);
625 tcg_temp_free(t0);
626 }
627
628 static inline void gen_op_cmp32(TCGv arg0, TCGv arg1, int s, int crf)
629 {
630 TCGv t0, t1;
631 t0 = tcg_temp_new();
632 t1 = tcg_temp_new();
633 if (s) {
634 tcg_gen_ext32s_tl(t0, arg0);
635 tcg_gen_ext32s_tl(t1, arg1);
636 } else {
637 tcg_gen_ext32u_tl(t0, arg0);
638 tcg_gen_ext32u_tl(t1, arg1);
639 }
640 gen_op_cmp(t0, t1, s, crf);
641 tcg_temp_free(t1);
642 tcg_temp_free(t0);
643 }
644
645 static inline void gen_op_cmpi32(TCGv arg0, target_ulong arg1, int s, int crf)
646 {
647 TCGv t0 = tcg_const_tl(arg1);
648 gen_op_cmp32(arg0, t0, s, crf);
649 tcg_temp_free(t0);
650 }
651
652 static inline void gen_set_Rc0(DisasContext *ctx, TCGv reg)
653 {
654 if (NARROW_MODE(ctx)) {
655 gen_op_cmpi32(reg, 0, 1, 0);
656 } else {
657 gen_op_cmpi(reg, 0, 1, 0);
658 }
659 }
660
661 /* cmp */
662 static void gen_cmp(DisasContext *ctx)
663 {
664 if ((ctx->opcode & 0x00200000) && (ctx->insns_flags & PPC_64B)) {
665 gen_op_cmp(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],
666 1, crfD(ctx->opcode));
667 } else {
668 gen_op_cmp32(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],
669 1, crfD(ctx->opcode));
670 }
671 }
672
673 /* cmpi */
674 static void gen_cmpi(DisasContext *ctx)
675 {
676 if ((ctx->opcode & 0x00200000) && (ctx->insns_flags & PPC_64B)) {
677 gen_op_cmpi(cpu_gpr[rA(ctx->opcode)], SIMM(ctx->opcode),
678 1, crfD(ctx->opcode));
679 } else {
680 gen_op_cmpi32(cpu_gpr[rA(ctx->opcode)], SIMM(ctx->opcode),
681 1, crfD(ctx->opcode));
682 }
683 }
684
685 /* cmpl */
686 static void gen_cmpl(DisasContext *ctx)
687 {
688 if ((ctx->opcode & 0x00200000) && (ctx->insns_flags & PPC_64B)) {
689 gen_op_cmp(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],
690 0, crfD(ctx->opcode));
691 } else {
692 gen_op_cmp32(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],
693 0, crfD(ctx->opcode));
694 }
695 }
696
697 /* cmpli */
698 static void gen_cmpli(DisasContext *ctx)
699 {
700 if ((ctx->opcode & 0x00200000) && (ctx->insns_flags & PPC_64B)) {
701 gen_op_cmpi(cpu_gpr[rA(ctx->opcode)], UIMM(ctx->opcode),
702 0, crfD(ctx->opcode));
703 } else {
704 gen_op_cmpi32(cpu_gpr[rA(ctx->opcode)], UIMM(ctx->opcode),
705 0, crfD(ctx->opcode));
706 }
707 }
708
709 /* cmprb - range comparison: isupper, isaplha, islower*/
710 static void gen_cmprb(DisasContext *ctx)
711 {
712 TCGv_i32 src1 = tcg_temp_new_i32();
713 TCGv_i32 src2 = tcg_temp_new_i32();
714 TCGv_i32 src2lo = tcg_temp_new_i32();
715 TCGv_i32 src2hi = tcg_temp_new_i32();
716 TCGv_i32 crf = cpu_crf[crfD(ctx->opcode)];
717
718 tcg_gen_trunc_tl_i32(src1, cpu_gpr[rA(ctx->opcode)]);
719 tcg_gen_trunc_tl_i32(src2, cpu_gpr[rB(ctx->opcode)]);
720
721 tcg_gen_andi_i32(src1, src1, 0xFF);
722 tcg_gen_ext8u_i32(src2lo, src2);
723 tcg_gen_shri_i32(src2, src2, 8);
724 tcg_gen_ext8u_i32(src2hi, src2);
725
726 tcg_gen_setcond_i32(TCG_COND_LEU, src2lo, src2lo, src1);
727 tcg_gen_setcond_i32(TCG_COND_LEU, src2hi, src1, src2hi);
728 tcg_gen_and_i32(crf, src2lo, src2hi);
729
730 if (ctx->opcode & 0x00200000) {
731 tcg_gen_shri_i32(src2, src2, 8);
732 tcg_gen_ext8u_i32(src2lo, src2);
733 tcg_gen_shri_i32(src2, src2, 8);
734 tcg_gen_ext8u_i32(src2hi, src2);
735 tcg_gen_setcond_i32(TCG_COND_LEU, src2lo, src2lo, src1);
736 tcg_gen_setcond_i32(TCG_COND_LEU, src2hi, src1, src2hi);
737 tcg_gen_and_i32(src2lo, src2lo, src2hi);
738 tcg_gen_or_i32(crf, crf, src2lo);
739 }
740 tcg_gen_shli_i32(crf, crf, CRF_GT_BIT);
741 tcg_temp_free_i32(src1);
742 tcg_temp_free_i32(src2);
743 tcg_temp_free_i32(src2lo);
744 tcg_temp_free_i32(src2hi);
745 }
746
747 #if defined(TARGET_PPC64)
748 /* cmpeqb */
749 static void gen_cmpeqb(DisasContext *ctx)
750 {
751 gen_helper_cmpeqb(cpu_crf[crfD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
752 cpu_gpr[rB(ctx->opcode)]);
753 }
754 #endif
755
756 /* isel (PowerPC 2.03 specification) */
757 static void gen_isel(DisasContext *ctx)
758 {
759 uint32_t bi = rC(ctx->opcode);
760 uint32_t mask = 0x08 >> (bi & 0x03);
761 TCGv t0 = tcg_temp_new();
762 TCGv zr;
763
764 tcg_gen_extu_i32_tl(t0, cpu_crf[bi >> 2]);
765 tcg_gen_andi_tl(t0, t0, mask);
766
767 zr = tcg_const_tl(0);
768 tcg_gen_movcond_tl(TCG_COND_NE, cpu_gpr[rD(ctx->opcode)], t0, zr,
769 rA(ctx->opcode) ? cpu_gpr[rA(ctx->opcode)] : zr,
770 cpu_gpr[rB(ctx->opcode)]);
771 tcg_temp_free(zr);
772 tcg_temp_free(t0);
773 }
774
775 /* cmpb: PowerPC 2.05 specification */
776 static void gen_cmpb(DisasContext *ctx)
777 {
778 gen_helper_cmpb(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)],
779 cpu_gpr[rB(ctx->opcode)]);
780 }
781
782 /*** Integer arithmetic ***/
783
784 static inline void gen_op_arith_compute_ov(DisasContext *ctx, TCGv arg0,
785 TCGv arg1, TCGv arg2, int sub)
786 {
787 TCGv t0 = tcg_temp_new();
788
789 tcg_gen_xor_tl(cpu_ov, arg0, arg2);
790 tcg_gen_xor_tl(t0, arg1, arg2);
791 if (sub) {
792 tcg_gen_and_tl(cpu_ov, cpu_ov, t0);
793 } else {
794 tcg_gen_andc_tl(cpu_ov, cpu_ov, t0);
795 }
796 tcg_temp_free(t0);
797 if (NARROW_MODE(ctx)) {
798 tcg_gen_extract_tl(cpu_ov, cpu_ov, 31, 1);
799 if (is_isa300(ctx)) {
800 tcg_gen_mov_tl(cpu_ov32, cpu_ov);
801 }
802 } else {
803 if (is_isa300(ctx)) {
804 tcg_gen_extract_tl(cpu_ov32, cpu_ov, 31, 1);
805 }
806 tcg_gen_extract_tl(cpu_ov, cpu_ov, TARGET_LONG_BITS - 1, 1);
807 }
808 tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov);
809 }
810
811 static inline void gen_op_arith_compute_ca32(DisasContext *ctx,
812 TCGv res, TCGv arg0, TCGv arg1,
813 TCGv ca32, int sub)
814 {
815 TCGv t0;
816
817 if (!is_isa300(ctx)) {
818 return;
819 }
820
821 t0 = tcg_temp_new();
822 if (sub) {
823 tcg_gen_eqv_tl(t0, arg0, arg1);
824 } else {
825 tcg_gen_xor_tl(t0, arg0, arg1);
826 }
827 tcg_gen_xor_tl(t0, t0, res);
828 tcg_gen_extract_tl(ca32, t0, 32, 1);
829 tcg_temp_free(t0);
830 }
831
832 /* Common add function */
833 static inline void gen_op_arith_add(DisasContext *ctx, TCGv ret, TCGv arg1,
834 TCGv arg2, TCGv ca, TCGv ca32,
835 bool add_ca, bool compute_ca,
836 bool compute_ov, bool compute_rc0)
837 {
838 TCGv t0 = ret;
839
840 if (compute_ca || compute_ov) {
841 t0 = tcg_temp_new();
842 }
843
844 if (compute_ca) {
845 if (NARROW_MODE(ctx)) {
846 /* Caution: a non-obvious corner case of the spec is that we
847 must produce the *entire* 64-bit addition, but produce the
848 carry into bit 32. */
849 TCGv t1 = tcg_temp_new();
850 tcg_gen_xor_tl(t1, arg1, arg2); /* add without carry */
851 tcg_gen_add_tl(t0, arg1, arg2);
852 if (add_ca) {
853 tcg_gen_add_tl(t0, t0, ca);
854 }
855 tcg_gen_xor_tl(ca, t0, t1); /* bits changed w/ carry */
856 tcg_temp_free(t1);
857 tcg_gen_extract_tl(ca, ca, 32, 1);
858 if (is_isa300(ctx)) {
859 tcg_gen_mov_tl(ca32, ca);
860 }
861 } else {
862 TCGv zero = tcg_const_tl(0);
863 if (add_ca) {
864 tcg_gen_add2_tl(t0, ca, arg1, zero, ca, zero);
865 tcg_gen_add2_tl(t0, ca, t0, ca, arg2, zero);
866 } else {
867 tcg_gen_add2_tl(t0, ca, arg1, zero, arg2, zero);
868 }
869 gen_op_arith_compute_ca32(ctx, t0, arg1, arg2, ca32, 0);
870 tcg_temp_free(zero);
871 }
872 } else {
873 tcg_gen_add_tl(t0, arg1, arg2);
874 if (add_ca) {
875 tcg_gen_add_tl(t0, t0, ca);
876 }
877 }
878
879 if (compute_ov) {
880 gen_op_arith_compute_ov(ctx, t0, arg1, arg2, 0);
881 }
882 if (unlikely(compute_rc0)) {
883 gen_set_Rc0(ctx, t0);
884 }
885
886 if (t0 != ret) {
887 tcg_gen_mov_tl(ret, t0);
888 tcg_temp_free(t0);
889 }
890 }
891 /* Add functions with two operands */
892 #define GEN_INT_ARITH_ADD(name, opc3, ca, add_ca, compute_ca, compute_ov) \
893 static void glue(gen_, name)(DisasContext *ctx) \
894 { \
895 gen_op_arith_add(ctx, cpu_gpr[rD(ctx->opcode)], \
896 cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], \
897 ca, glue(ca, 32), \
898 add_ca, compute_ca, compute_ov, Rc(ctx->opcode)); \
899 }
900 /* Add functions with one operand and one immediate */
901 #define GEN_INT_ARITH_ADD_CONST(name, opc3, const_val, ca, \
902 add_ca, compute_ca, compute_ov) \
903 static void glue(gen_, name)(DisasContext *ctx) \
904 { \
905 TCGv t0 = tcg_const_tl(const_val); \
906 gen_op_arith_add(ctx, cpu_gpr[rD(ctx->opcode)], \
907 cpu_gpr[rA(ctx->opcode)], t0, \
908 ca, glue(ca, 32), \
909 add_ca, compute_ca, compute_ov, Rc(ctx->opcode)); \
910 tcg_temp_free(t0); \
911 }
912
913 /* add add. addo addo. */
914 GEN_INT_ARITH_ADD(add, 0x08, cpu_ca, 0, 0, 0)
915 GEN_INT_ARITH_ADD(addo, 0x18, cpu_ca, 0, 0, 1)
916 /* addc addc. addco addco. */
917 GEN_INT_ARITH_ADD(addc, 0x00, cpu_ca, 0, 1, 0)
918 GEN_INT_ARITH_ADD(addco, 0x10, cpu_ca, 0, 1, 1)
919 /* adde adde. addeo addeo. */
920 GEN_INT_ARITH_ADD(adde, 0x04, cpu_ca, 1, 1, 0)
921 GEN_INT_ARITH_ADD(addeo, 0x14, cpu_ca, 1, 1, 1)
922 /* addme addme. addmeo addmeo. */
923 GEN_INT_ARITH_ADD_CONST(addme, 0x07, -1LL, cpu_ca, 1, 1, 0)
924 GEN_INT_ARITH_ADD_CONST(addmeo, 0x17, -1LL, cpu_ca, 1, 1, 1)
925 /* addex */
926 GEN_INT_ARITH_ADD(addex, 0x05, cpu_ov, 1, 1, 0);
927 /* addze addze. addzeo addzeo.*/
928 GEN_INT_ARITH_ADD_CONST(addze, 0x06, 0, cpu_ca, 1, 1, 0)
929 GEN_INT_ARITH_ADD_CONST(addzeo, 0x16, 0, cpu_ca, 1, 1, 1)
930 /* addi */
931 static void gen_addi(DisasContext *ctx)
932 {
933 target_long simm = SIMM(ctx->opcode);
934
935 if (rA(ctx->opcode) == 0) {
936 /* li case */
937 tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], simm);
938 } else {
939 tcg_gen_addi_tl(cpu_gpr[rD(ctx->opcode)],
940 cpu_gpr[rA(ctx->opcode)], simm);
941 }
942 }
943 /* addic addic.*/
944 static inline void gen_op_addic(DisasContext *ctx, bool compute_rc0)
945 {
946 TCGv c = tcg_const_tl(SIMM(ctx->opcode));
947 gen_op_arith_add(ctx, cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
948 c, cpu_ca, cpu_ca32, 0, 1, 0, compute_rc0);
949 tcg_temp_free(c);
950 }
951
952 static void gen_addic(DisasContext *ctx)
953 {
954 gen_op_addic(ctx, 0);
955 }
956
957 static void gen_addic_(DisasContext *ctx)
958 {
959 gen_op_addic(ctx, 1);
960 }
961
962 /* addis */
963 static void gen_addis(DisasContext *ctx)
964 {
965 target_long simm = SIMM(ctx->opcode);
966
967 if (rA(ctx->opcode) == 0) {
968 /* lis case */
969 tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], simm << 16);
970 } else {
971 tcg_gen_addi_tl(cpu_gpr[rD(ctx->opcode)],
972 cpu_gpr[rA(ctx->opcode)], simm << 16);
973 }
974 }
975
976 /* addpcis */
977 static void gen_addpcis(DisasContext *ctx)
978 {
979 target_long d = DX(ctx->opcode);
980
981 tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], ctx->base.pc_next + (d << 16));
982 }
983
984 static inline void gen_op_arith_divw(DisasContext *ctx, TCGv ret, TCGv arg1,
985 TCGv arg2, int sign, int compute_ov)
986 {
987 TCGv_i32 t0 = tcg_temp_new_i32();
988 TCGv_i32 t1 = tcg_temp_new_i32();
989 TCGv_i32 t2 = tcg_temp_new_i32();
990 TCGv_i32 t3 = tcg_temp_new_i32();
991
992 tcg_gen_trunc_tl_i32(t0, arg1);
993 tcg_gen_trunc_tl_i32(t1, arg2);
994 if (sign) {
995 tcg_gen_setcondi_i32(TCG_COND_EQ, t2, t0, INT_MIN);
996 tcg_gen_setcondi_i32(TCG_COND_EQ, t3, t1, -1);
997 tcg_gen_and_i32(t2, t2, t3);
998 tcg_gen_setcondi_i32(TCG_COND_EQ, t3, t1, 0);
999 tcg_gen_or_i32(t2, t2, t3);
1000 tcg_gen_movi_i32(t3, 0);
1001 tcg_gen_movcond_i32(TCG_COND_NE, t1, t2, t3, t2, t1);
1002 tcg_gen_div_i32(t3, t0, t1);
1003 tcg_gen_extu_i32_tl(ret, t3);
1004 } else {
1005 tcg_gen_setcondi_i32(TCG_COND_EQ, t2, t1, 0);
1006 tcg_gen_movi_i32(t3, 0);
1007 tcg_gen_movcond_i32(TCG_COND_NE, t1, t2, t3, t2, t1);
1008 tcg_gen_divu_i32(t3, t0, t1);
1009 tcg_gen_extu_i32_tl(ret, t3);
1010 }
1011 if (compute_ov) {
1012 tcg_gen_extu_i32_tl(cpu_ov, t2);
1013 if (is_isa300(ctx)) {
1014 tcg_gen_extu_i32_tl(cpu_ov32, t2);
1015 }
1016 tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov);
1017 }
1018 tcg_temp_free_i32(t0);
1019 tcg_temp_free_i32(t1);
1020 tcg_temp_free_i32(t2);
1021 tcg_temp_free_i32(t3);
1022
1023 if (unlikely(Rc(ctx->opcode) != 0))
1024 gen_set_Rc0(ctx, ret);
1025 }
1026 /* Div functions */
1027 #define GEN_INT_ARITH_DIVW(name, opc3, sign, compute_ov) \
1028 static void glue(gen_, name)(DisasContext *ctx) \
1029 { \
1030 gen_op_arith_divw(ctx, cpu_gpr[rD(ctx->opcode)], \
1031 cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], \
1032 sign, compute_ov); \
1033 }
1034 /* divwu divwu. divwuo divwuo. */
1035 GEN_INT_ARITH_DIVW(divwu, 0x0E, 0, 0);
1036 GEN_INT_ARITH_DIVW(divwuo, 0x1E, 0, 1);
1037 /* divw divw. divwo divwo. */
1038 GEN_INT_ARITH_DIVW(divw, 0x0F, 1, 0);
1039 GEN_INT_ARITH_DIVW(divwo, 0x1F, 1, 1);
1040
1041 /* div[wd]eu[o][.] */
1042 #define GEN_DIVE(name, hlpr, compute_ov) \
1043 static void gen_##name(DisasContext *ctx) \
1044 { \
1045 TCGv_i32 t0 = tcg_const_i32(compute_ov); \
1046 gen_helper_##hlpr(cpu_gpr[rD(ctx->opcode)], cpu_env, \
1047 cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], t0); \
1048 tcg_temp_free_i32(t0); \
1049 if (unlikely(Rc(ctx->opcode) != 0)) { \
1050 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); \
1051 } \
1052 }
1053
1054 GEN_DIVE(divweu, divweu, 0);
1055 GEN_DIVE(divweuo, divweu, 1);
1056 GEN_DIVE(divwe, divwe, 0);
1057 GEN_DIVE(divweo, divwe, 1);
1058
1059 #if defined(TARGET_PPC64)
1060 static inline void gen_op_arith_divd(DisasContext *ctx, TCGv ret, TCGv arg1,
1061 TCGv arg2, int sign, int compute_ov)
1062 {
1063 TCGv_i64 t0 = tcg_temp_new_i64();
1064 TCGv_i64 t1 = tcg_temp_new_i64();
1065 TCGv_i64 t2 = tcg_temp_new_i64();
1066 TCGv_i64 t3 = tcg_temp_new_i64();
1067
1068 tcg_gen_mov_i64(t0, arg1);
1069 tcg_gen_mov_i64(t1, arg2);
1070 if (sign) {
1071 tcg_gen_setcondi_i64(TCG_COND_EQ, t2, t0, INT64_MIN);
1072 tcg_gen_setcondi_i64(TCG_COND_EQ, t3, t1, -1);
1073 tcg_gen_and_i64(t2, t2, t3);
1074 tcg_gen_setcondi_i64(TCG_COND_EQ, t3, t1, 0);
1075 tcg_gen_or_i64(t2, t2, t3);
1076 tcg_gen_movi_i64(t3, 0);
1077 tcg_gen_movcond_i64(TCG_COND_NE, t1, t2, t3, t2, t1);
1078 tcg_gen_div_i64(ret, t0, t1);
1079 } else {
1080 tcg_gen_setcondi_i64(TCG_COND_EQ, t2, t1, 0);
1081 tcg_gen_movi_i64(t3, 0);
1082 tcg_gen_movcond_i64(TCG_COND_NE, t1, t2, t3, t2, t1);
1083 tcg_gen_divu_i64(ret, t0, t1);
1084 }
1085 if (compute_ov) {
1086 tcg_gen_mov_tl(cpu_ov, t2);
1087 if (is_isa300(ctx)) {
1088 tcg_gen_mov_tl(cpu_ov32, t2);
1089 }
1090 tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov);
1091 }
1092 tcg_temp_free_i64(t0);
1093 tcg_temp_free_i64(t1);
1094 tcg_temp_free_i64(t2);
1095 tcg_temp_free_i64(t3);
1096
1097 if (unlikely(Rc(ctx->opcode) != 0))
1098 gen_set_Rc0(ctx, ret);
1099 }
1100
1101 #define GEN_INT_ARITH_DIVD(name, opc3, sign, compute_ov) \
1102 static void glue(gen_, name)(DisasContext *ctx) \
1103 { \
1104 gen_op_arith_divd(ctx, cpu_gpr[rD(ctx->opcode)], \
1105 cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], \
1106 sign, compute_ov); \
1107 }
1108 /* divdu divdu. divduo divduo. */
1109 GEN_INT_ARITH_DIVD(divdu, 0x0E, 0, 0);
1110 GEN_INT_ARITH_DIVD(divduo, 0x1E, 0, 1);
1111 /* divd divd. divdo divdo. */
1112 GEN_INT_ARITH_DIVD(divd, 0x0F, 1, 0);
1113 GEN_INT_ARITH_DIVD(divdo, 0x1F, 1, 1);
1114
1115 GEN_DIVE(divdeu, divdeu, 0);
1116 GEN_DIVE(divdeuo, divdeu, 1);
1117 GEN_DIVE(divde, divde, 0);
1118 GEN_DIVE(divdeo, divde, 1);
1119 #endif
1120
1121 static inline void gen_op_arith_modw(DisasContext *ctx, TCGv ret, TCGv arg1,
1122 TCGv arg2, int sign)
1123 {
1124 TCGv_i32 t0 = tcg_temp_new_i32();
1125 TCGv_i32 t1 = tcg_temp_new_i32();
1126
1127 tcg_gen_trunc_tl_i32(t0, arg1);
1128 tcg_gen_trunc_tl_i32(t1, arg2);
1129 if (sign) {
1130 TCGv_i32 t2 = tcg_temp_new_i32();
1131 TCGv_i32 t3 = tcg_temp_new_i32();
1132 tcg_gen_setcondi_i32(TCG_COND_EQ, t2, t0, INT_MIN);
1133 tcg_gen_setcondi_i32(TCG_COND_EQ, t3, t1, -1);
1134 tcg_gen_and_i32(t2, t2, t3);
1135 tcg_gen_setcondi_i32(TCG_COND_EQ, t3, t1, 0);
1136 tcg_gen_or_i32(t2, t2, t3);
1137 tcg_gen_movi_i32(t3, 0);
1138 tcg_gen_movcond_i32(TCG_COND_NE, t1, t2, t3, t2, t1);
1139 tcg_gen_rem_i32(t3, t0, t1);
1140 tcg_gen_ext_i32_tl(ret, t3);
1141 tcg_temp_free_i32(t2);
1142 tcg_temp_free_i32(t3);
1143 } else {
1144 TCGv_i32 t2 = tcg_const_i32(1);
1145 TCGv_i32 t3 = tcg_const_i32(0);
1146 tcg_gen_movcond_i32(TCG_COND_EQ, t1, t1, t3, t2, t1);
1147 tcg_gen_remu_i32(t3, t0, t1);
1148 tcg_gen_extu_i32_tl(ret, t3);
1149 tcg_temp_free_i32(t2);
1150 tcg_temp_free_i32(t3);
1151 }
1152 tcg_temp_free_i32(t0);
1153 tcg_temp_free_i32(t1);
1154 }
1155
1156 #define GEN_INT_ARITH_MODW(name, opc3, sign) \
1157 static void glue(gen_, name)(DisasContext *ctx) \
1158 { \
1159 gen_op_arith_modw(ctx, cpu_gpr[rD(ctx->opcode)], \
1160 cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], \
1161 sign); \
1162 }
1163
1164 GEN_INT_ARITH_MODW(moduw, 0x08, 0);
1165 GEN_INT_ARITH_MODW(modsw, 0x18, 1);
1166
1167 #if defined(TARGET_PPC64)
1168 static inline void gen_op_arith_modd(DisasContext *ctx, TCGv ret, TCGv arg1,
1169 TCGv arg2, int sign)
1170 {
1171 TCGv_i64 t0 = tcg_temp_new_i64();
1172 TCGv_i64 t1 = tcg_temp_new_i64();
1173
1174 tcg_gen_mov_i64(t0, arg1);
1175 tcg_gen_mov_i64(t1, arg2);
1176 if (sign) {
1177 TCGv_i64 t2 = tcg_temp_new_i64();
1178 TCGv_i64 t3 = tcg_temp_new_i64();
1179 tcg_gen_setcondi_i64(TCG_COND_EQ, t2, t0, INT64_MIN);
1180 tcg_gen_setcondi_i64(TCG_COND_EQ, t3, t1, -1);
1181 tcg_gen_and_i64(t2, t2, t3);
1182 tcg_gen_setcondi_i64(TCG_COND_EQ, t3, t1, 0);
1183 tcg_gen_or_i64(t2, t2, t3);
1184 tcg_gen_movi_i64(t3, 0);
1185 tcg_gen_movcond_i64(TCG_COND_NE, t1, t2, t3, t2, t1);
1186 tcg_gen_rem_i64(ret, t0, t1);
1187 tcg_temp_free_i64(t2);
1188 tcg_temp_free_i64(t3);
1189 } else {
1190 TCGv_i64 t2 = tcg_const_i64(1);
1191 TCGv_i64 t3 = tcg_const_i64(0);
1192 tcg_gen_movcond_i64(TCG_COND_EQ, t1, t1, t3, t2, t1);
1193 tcg_gen_remu_i64(ret, t0, t1);
1194 tcg_temp_free_i64(t2);
1195 tcg_temp_free_i64(t3);
1196 }
1197 tcg_temp_free_i64(t0);
1198 tcg_temp_free_i64(t1);
1199 }
1200
1201 #define GEN_INT_ARITH_MODD(name, opc3, sign) \
1202 static void glue(gen_, name)(DisasContext *ctx) \
1203 { \
1204 gen_op_arith_modd(ctx, cpu_gpr[rD(ctx->opcode)], \
1205 cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], \
1206 sign); \
1207 }
1208
1209 GEN_INT_ARITH_MODD(modud, 0x08, 0);
1210 GEN_INT_ARITH_MODD(modsd, 0x18, 1);
1211 #endif
1212
1213 /* mulhw mulhw. */
1214 static void gen_mulhw(DisasContext *ctx)
1215 {
1216 TCGv_i32 t0 = tcg_temp_new_i32();
1217 TCGv_i32 t1 = tcg_temp_new_i32();
1218
1219 tcg_gen_trunc_tl_i32(t0, cpu_gpr[rA(ctx->opcode)]);
1220 tcg_gen_trunc_tl_i32(t1, cpu_gpr[rB(ctx->opcode)]);
1221 tcg_gen_muls2_i32(t0, t1, t0, t1);
1222 tcg_gen_extu_i32_tl(cpu_gpr[rD(ctx->opcode)], t1);
1223 tcg_temp_free_i32(t0);
1224 tcg_temp_free_i32(t1);
1225 if (unlikely(Rc(ctx->opcode) != 0))
1226 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
1227 }
1228
1229 /* mulhwu mulhwu. */
1230 static void gen_mulhwu(DisasContext *ctx)
1231 {
1232 TCGv_i32 t0 = tcg_temp_new_i32();
1233 TCGv_i32 t1 = tcg_temp_new_i32();
1234
1235 tcg_gen_trunc_tl_i32(t0, cpu_gpr[rA(ctx->opcode)]);
1236 tcg_gen_trunc_tl_i32(t1, cpu_gpr[rB(ctx->opcode)]);
1237 tcg_gen_mulu2_i32(t0, t1, t0, t1);
1238 tcg_gen_extu_i32_tl(cpu_gpr[rD(ctx->opcode)], t1);
1239 tcg_temp_free_i32(t0);
1240 tcg_temp_free_i32(t1);
1241 if (unlikely(Rc(ctx->opcode) != 0))
1242 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
1243 }
1244
1245 /* mullw mullw. */
1246 static void gen_mullw(DisasContext *ctx)
1247 {
1248 #if defined(TARGET_PPC64)
1249 TCGv_i64 t0, t1;
1250 t0 = tcg_temp_new_i64();
1251 t1 = tcg_temp_new_i64();
1252 tcg_gen_ext32s_tl(t0, cpu_gpr[rA(ctx->opcode)]);
1253 tcg_gen_ext32s_tl(t1, cpu_gpr[rB(ctx->opcode)]);
1254 tcg_gen_mul_i64(cpu_gpr[rD(ctx->opcode)], t0, t1);
1255 tcg_temp_free(t0);
1256 tcg_temp_free(t1);
1257 #else
1258 tcg_gen_mul_i32(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
1259 cpu_gpr[rB(ctx->opcode)]);
1260 #endif
1261 if (unlikely(Rc(ctx->opcode) != 0))
1262 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
1263 }
1264
1265 /* mullwo mullwo. */
1266 static void gen_mullwo(DisasContext *ctx)
1267 {
1268 TCGv_i32 t0 = tcg_temp_new_i32();
1269 TCGv_i32 t1 = tcg_temp_new_i32();
1270
1271 tcg_gen_trunc_tl_i32(t0, cpu_gpr[rA(ctx->opcode)]);
1272 tcg_gen_trunc_tl_i32(t1, cpu_gpr[rB(ctx->opcode)]);
1273 tcg_gen_muls2_i32(t0, t1, t0, t1);
1274 #if defined(TARGET_PPC64)
1275 tcg_gen_concat_i32_i64(cpu_gpr[rD(ctx->opcode)], t0, t1);
1276 #else
1277 tcg_gen_mov_i32(cpu_gpr[rD(ctx->opcode)], t0);
1278 #endif
1279
1280 tcg_gen_sari_i32(t0, t0, 31);
1281 tcg_gen_setcond_i32(TCG_COND_NE, t0, t0, t1);
1282 tcg_gen_extu_i32_tl(cpu_ov, t0);
1283 if (is_isa300(ctx)) {
1284 tcg_gen_mov_tl(cpu_ov32, cpu_ov);
1285 }
1286 tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov);
1287
1288 tcg_temp_free_i32(t0);
1289 tcg_temp_free_i32(t1);
1290 if (unlikely(Rc(ctx->opcode) != 0))
1291 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
1292 }
1293
1294 /* mulli */
1295 static void gen_mulli(DisasContext *ctx)
1296 {
1297 tcg_gen_muli_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
1298 SIMM(ctx->opcode));
1299 }
1300
1301 #if defined(TARGET_PPC64)
1302 /* mulhd mulhd. */
1303 static void gen_mulhd(DisasContext *ctx)
1304 {
1305 TCGv lo = tcg_temp_new();
1306 tcg_gen_muls2_tl(lo, cpu_gpr[rD(ctx->opcode)],
1307 cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
1308 tcg_temp_free(lo);
1309 if (unlikely(Rc(ctx->opcode) != 0)) {
1310 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
1311 }
1312 }
1313
1314 /* mulhdu mulhdu. */
1315 static void gen_mulhdu(DisasContext *ctx)
1316 {
1317 TCGv lo = tcg_temp_new();
1318 tcg_gen_mulu2_tl(lo, cpu_gpr[rD(ctx->opcode)],
1319 cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
1320 tcg_temp_free(lo);
1321 if (unlikely(Rc(ctx->opcode) != 0)) {
1322 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
1323 }
1324 }
1325
1326 /* mulld mulld. */
1327 static void gen_mulld(DisasContext *ctx)
1328 {
1329 tcg_gen_mul_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
1330 cpu_gpr[rB(ctx->opcode)]);
1331 if (unlikely(Rc(ctx->opcode) != 0))
1332 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
1333 }
1334
1335 /* mulldo mulldo. */
1336 static void gen_mulldo(DisasContext *ctx)
1337 {
1338 TCGv_i64 t0 = tcg_temp_new_i64();
1339 TCGv_i64 t1 = tcg_temp_new_i64();
1340
1341 tcg_gen_muls2_i64(t0, t1, cpu_gpr[rA(ctx->opcode)],
1342 cpu_gpr[rB(ctx->opcode)]);
1343 tcg_gen_mov_i64(cpu_gpr[rD(ctx->opcode)], t0);
1344
1345 tcg_gen_sari_i64(t0, t0, 63);
1346 tcg_gen_setcond_i64(TCG_COND_NE, cpu_ov, t0, t1);
1347 if (is_isa300(ctx)) {
1348 tcg_gen_mov_tl(cpu_ov32, cpu_ov);
1349 }
1350 tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov);
1351
1352 tcg_temp_free_i64(t0);
1353 tcg_temp_free_i64(t1);
1354
1355 if (unlikely(Rc(ctx->opcode) != 0)) {
1356 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
1357 }
1358 }
1359 #endif
1360
1361 /* Common subf function */
1362 static inline void gen_op_arith_subf(DisasContext *ctx, TCGv ret, TCGv arg1,
1363 TCGv arg2, bool add_ca, bool compute_ca,
1364 bool compute_ov, bool compute_rc0)
1365 {
1366 TCGv t0 = ret;
1367
1368 if (compute_ca || compute_ov) {
1369 t0 = tcg_temp_new();
1370 }
1371
1372 if (compute_ca) {
1373 /* dest = ~arg1 + arg2 [+ ca]. */
1374 if (NARROW_MODE(ctx)) {
1375 /* Caution: a non-obvious corner case of the spec is that we
1376 must produce the *entire* 64-bit addition, but produce the
1377 carry into bit 32. */
1378 TCGv inv1 = tcg_temp_new();
1379 TCGv t1 = tcg_temp_new();
1380 tcg_gen_not_tl(inv1, arg1);
1381 if (add_ca) {
1382 tcg_gen_add_tl(t0, arg2, cpu_ca);
1383 } else {
1384 tcg_gen_addi_tl(t0, arg2, 1);
1385 }
1386 tcg_gen_xor_tl(t1, arg2, inv1); /* add without carry */
1387 tcg_gen_add_tl(t0, t0, inv1);
1388 tcg_temp_free(inv1);
1389 tcg_gen_xor_tl(cpu_ca, t0, t1); /* bits changes w/ carry */
1390 tcg_temp_free(t1);
1391 tcg_gen_extract_tl(cpu_ca, cpu_ca, 32, 1);
1392 if (is_isa300(ctx)) {
1393 tcg_gen_mov_tl(cpu_ca32, cpu_ca);
1394 }
1395 } else if (add_ca) {
1396 TCGv zero, inv1 = tcg_temp_new();
1397 tcg_gen_not_tl(inv1, arg1);
1398 zero = tcg_const_tl(0);
1399 tcg_gen_add2_tl(t0, cpu_ca, arg2, zero, cpu_ca, zero);
1400 tcg_gen_add2_tl(t0, cpu_ca, t0, cpu_ca, inv1, zero);
1401 gen_op_arith_compute_ca32(ctx, t0, inv1, arg2, cpu_ca32, 0);
1402 tcg_temp_free(zero);
1403 tcg_temp_free(inv1);
1404 } else {
1405 tcg_gen_setcond_tl(TCG_COND_GEU, cpu_ca, arg2, arg1);
1406 tcg_gen_sub_tl(t0, arg2, arg1);
1407 gen_op_arith_compute_ca32(ctx, t0, arg1, arg2, cpu_ca32, 1);
1408 }
1409 } else if (add_ca) {
1410 /* Since we're ignoring carry-out, we can simplify the
1411 standard ~arg1 + arg2 + ca to arg2 - arg1 + ca - 1. */
1412 tcg_gen_sub_tl(t0, arg2, arg1);
1413 tcg_gen_add_tl(t0, t0, cpu_ca);
1414 tcg_gen_subi_tl(t0, t0, 1);
1415 } else {
1416 tcg_gen_sub_tl(t0, arg2, arg1);
1417 }
1418
1419 if (compute_ov) {
1420 gen_op_arith_compute_ov(ctx, t0, arg1, arg2, 1);
1421 }
1422 if (unlikely(compute_rc0)) {
1423 gen_set_Rc0(ctx, t0);
1424 }
1425
1426 if (t0 != ret) {
1427 tcg_gen_mov_tl(ret, t0);
1428 tcg_temp_free(t0);
1429 }
1430 }
1431 /* Sub functions with Two operands functions */
1432 #define GEN_INT_ARITH_SUBF(name, opc3, add_ca, compute_ca, compute_ov) \
1433 static void glue(gen_, name)(DisasContext *ctx) \
1434 { \
1435 gen_op_arith_subf(ctx, cpu_gpr[rD(ctx->opcode)], \
1436 cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], \
1437 add_ca, compute_ca, compute_ov, Rc(ctx->opcode)); \
1438 }
1439 /* Sub functions with one operand and one immediate */
1440 #define GEN_INT_ARITH_SUBF_CONST(name, opc3, const_val, \
1441 add_ca, compute_ca, compute_ov) \
1442 static void glue(gen_, name)(DisasContext *ctx) \
1443 { \
1444 TCGv t0 = tcg_const_tl(const_val); \
1445 gen_op_arith_subf(ctx, cpu_gpr[rD(ctx->opcode)], \
1446 cpu_gpr[rA(ctx->opcode)], t0, \
1447 add_ca, compute_ca, compute_ov, Rc(ctx->opcode)); \
1448 tcg_temp_free(t0); \
1449 }
1450 /* subf subf. subfo subfo. */
1451 GEN_INT_ARITH_SUBF(subf, 0x01, 0, 0, 0)
1452 GEN_INT_ARITH_SUBF(subfo, 0x11, 0, 0, 1)
1453 /* subfc subfc. subfco subfco. */
1454 GEN_INT_ARITH_SUBF(subfc, 0x00, 0, 1, 0)
1455 GEN_INT_ARITH_SUBF(subfco, 0x10, 0, 1, 1)
1456 /* subfe subfe. subfeo subfo. */
1457 GEN_INT_ARITH_SUBF(subfe, 0x04, 1, 1, 0)
1458 GEN_INT_ARITH_SUBF(subfeo, 0x14, 1, 1, 1)
1459 /* subfme subfme. subfmeo subfmeo. */
1460 GEN_INT_ARITH_SUBF_CONST(subfme, 0x07, -1LL, 1, 1, 0)
1461 GEN_INT_ARITH_SUBF_CONST(subfmeo, 0x17, -1LL, 1, 1, 1)
1462 /* subfze subfze. subfzeo subfzeo.*/
1463 GEN_INT_ARITH_SUBF_CONST(subfze, 0x06, 0, 1, 1, 0)
1464 GEN_INT_ARITH_SUBF_CONST(subfzeo, 0x16, 0, 1, 1, 1)
1465
1466 /* subfic */
1467 static void gen_subfic(DisasContext *ctx)
1468 {
1469 TCGv c = tcg_const_tl(SIMM(ctx->opcode));
1470 gen_op_arith_subf(ctx, cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
1471 c, 0, 1, 0, 0);
1472 tcg_temp_free(c);
1473 }
1474
1475 /* neg neg. nego nego. */
1476 static inline void gen_op_arith_neg(DisasContext *ctx, bool compute_ov)
1477 {
1478 TCGv zero = tcg_const_tl(0);
1479 gen_op_arith_subf(ctx, cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
1480 zero, 0, 0, compute_ov, Rc(ctx->opcode));
1481 tcg_temp_free(zero);
1482 }
1483
1484 static void gen_neg(DisasContext *ctx)
1485 {
1486 tcg_gen_neg_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
1487 if (unlikely(Rc(ctx->opcode))) {
1488 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
1489 }
1490 }
1491
1492 static void gen_nego(DisasContext *ctx)
1493 {
1494 gen_op_arith_neg(ctx, 1);
1495 }
1496
1497 /*** Integer logical ***/
1498 #define GEN_LOGICAL2(name, tcg_op, opc, type) \
1499 static void glue(gen_, name)(DisasContext *ctx) \
1500 { \
1501 tcg_op(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], \
1502 cpu_gpr[rB(ctx->opcode)]); \
1503 if (unlikely(Rc(ctx->opcode) != 0)) \
1504 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); \
1505 }
1506
1507 #define GEN_LOGICAL1(name, tcg_op, opc, type) \
1508 static void glue(gen_, name)(DisasContext *ctx) \
1509 { \
1510 tcg_op(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]); \
1511 if (unlikely(Rc(ctx->opcode) != 0)) \
1512 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); \
1513 }
1514
1515 /* and & and. */
1516 GEN_LOGICAL2(and, tcg_gen_and_tl, 0x00, PPC_INTEGER);
1517 /* andc & andc. */
1518 GEN_LOGICAL2(andc, tcg_gen_andc_tl, 0x01, PPC_INTEGER);
1519
1520 /* andi. */
1521 static void gen_andi_(DisasContext *ctx)
1522 {
1523 tcg_gen_andi_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], UIMM(ctx->opcode));
1524 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
1525 }
1526
1527 /* andis. */
1528 static void gen_andis_(DisasContext *ctx)
1529 {
1530 tcg_gen_andi_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], UIMM(ctx->opcode) << 16);
1531 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
1532 }
1533
1534 /* cntlzw */
1535 static void gen_cntlzw(DisasContext *ctx)
1536 {
1537 TCGv_i32 t = tcg_temp_new_i32();
1538
1539 tcg_gen_trunc_tl_i32(t, cpu_gpr[rS(ctx->opcode)]);
1540 tcg_gen_clzi_i32(t, t, 32);
1541 tcg_gen_extu_i32_tl(cpu_gpr[rA(ctx->opcode)], t);
1542 tcg_temp_free_i32(t);
1543
1544 if (unlikely(Rc(ctx->opcode) != 0))
1545 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
1546 }
1547
1548 /* cnttzw */
1549 static void gen_cnttzw(DisasContext *ctx)
1550 {
1551 TCGv_i32 t = tcg_temp_new_i32();
1552
1553 tcg_gen_trunc_tl_i32(t, cpu_gpr[rS(ctx->opcode)]);
1554 tcg_gen_ctzi_i32(t, t, 32);
1555 tcg_gen_extu_i32_tl(cpu_gpr[rA(ctx->opcode)], t);
1556 tcg_temp_free_i32(t);
1557
1558 if (unlikely(Rc(ctx->opcode) != 0)) {
1559 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
1560 }
1561 }
1562
1563 /* eqv & eqv. */
1564 GEN_LOGICAL2(eqv, tcg_gen_eqv_tl, 0x08, PPC_INTEGER);
1565 /* extsb & extsb. */
1566 GEN_LOGICAL1(extsb, tcg_gen_ext8s_tl, 0x1D, PPC_INTEGER);
1567 /* extsh & extsh. */
1568 GEN_LOGICAL1(extsh, tcg_gen_ext16s_tl, 0x1C, PPC_INTEGER);
1569 /* nand & nand. */
1570 GEN_LOGICAL2(nand, tcg_gen_nand_tl, 0x0E, PPC_INTEGER);
1571 /* nor & nor. */
1572 GEN_LOGICAL2(nor, tcg_gen_nor_tl, 0x03, PPC_INTEGER);
1573
1574 #if defined(TARGET_PPC64) && !defined(CONFIG_USER_ONLY)
1575 static void gen_pause(DisasContext *ctx)
1576 {
1577 TCGv_i32 t0 = tcg_const_i32(0);
1578 tcg_gen_st_i32(t0, cpu_env,
1579 -offsetof(PowerPCCPU, env) + offsetof(CPUState, halted));
1580 tcg_temp_free_i32(t0);
1581
1582 /* Stop translation, this gives other CPUs a chance to run */
1583 gen_exception_nip(ctx, EXCP_HLT, ctx->base.pc_next);
1584 }
1585 #endif /* defined(TARGET_PPC64) */
1586
1587 /* or & or. */
1588 static void gen_or(DisasContext *ctx)
1589 {
1590 int rs, ra, rb;
1591
1592 rs = rS(ctx->opcode);
1593 ra = rA(ctx->opcode);
1594 rb = rB(ctx->opcode);
1595 /* Optimisation for mr. ri case */
1596 if (rs != ra || rs != rb) {
1597 if (rs != rb)
1598 tcg_gen_or_tl(cpu_gpr[ra], cpu_gpr[rs], cpu_gpr[rb]);
1599 else
1600 tcg_gen_mov_tl(cpu_gpr[ra], cpu_gpr[rs]);
1601 if (unlikely(Rc(ctx->opcode) != 0))
1602 gen_set_Rc0(ctx, cpu_gpr[ra]);
1603 } else if (unlikely(Rc(ctx->opcode) != 0)) {
1604 gen_set_Rc0(ctx, cpu_gpr[rs]);
1605 #if defined(TARGET_PPC64)
1606 } else if (rs != 0) { /* 0 is nop */
1607 int prio = 0;
1608
1609 switch (rs) {
1610 case 1:
1611 /* Set process priority to low */
1612 prio = 2;
1613 break;
1614 case 6:
1615 /* Set process priority to medium-low */
1616 prio = 3;
1617 break;
1618 case 2:
1619 /* Set process priority to normal */
1620 prio = 4;
1621 break;
1622 #if !defined(CONFIG_USER_ONLY)
1623 case 31:
1624 if (!ctx->pr) {
1625 /* Set process priority to very low */
1626 prio = 1;
1627 }
1628 break;
1629 case 5:
1630 if (!ctx->pr) {
1631 /* Set process priority to medium-hight */
1632 prio = 5;
1633 }
1634 break;
1635 case 3:
1636 if (!ctx->pr) {
1637 /* Set process priority to high */
1638 prio = 6;
1639 }
1640 break;
1641 case 7:
1642 if (ctx->hv && !ctx->pr) {
1643 /* Set process priority to very high */
1644 prio = 7;
1645 }
1646 break;
1647 #endif
1648 default:
1649 break;
1650 }
1651 if (prio) {
1652 TCGv t0 = tcg_temp_new();
1653 gen_load_spr(t0, SPR_PPR);
1654 tcg_gen_andi_tl(t0, t0, ~0x001C000000000000ULL);
1655 tcg_gen_ori_tl(t0, t0, ((uint64_t)prio) << 50);
1656 gen_store_spr(SPR_PPR, t0);
1657 tcg_temp_free(t0);
1658 }
1659 #if !defined(CONFIG_USER_ONLY)
1660 /* Pause out of TCG otherwise spin loops with smt_low eat too much
1661 * CPU and the kernel hangs. This applies to all encodings other
1662 * than no-op, e.g., miso(rs=26), yield(27), mdoio(29), mdoom(30),
1663 * and all currently undefined.
1664 */
1665 gen_pause(ctx);
1666 #endif
1667 #endif
1668 }
1669 }
1670 /* orc & orc. */
1671 GEN_LOGICAL2(orc, tcg_gen_orc_tl, 0x0C, PPC_INTEGER);
1672
1673 /* xor & xor. */
1674 static void gen_xor(DisasContext *ctx)
1675 {
1676 /* Optimisation for "set to zero" case */
1677 if (rS(ctx->opcode) != rB(ctx->opcode))
1678 tcg_gen_xor_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
1679 else
1680 tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0);
1681 if (unlikely(Rc(ctx->opcode) != 0))
1682 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
1683 }
1684
1685 /* ori */
1686 static void gen_ori(DisasContext *ctx)
1687 {
1688 target_ulong uimm = UIMM(ctx->opcode);
1689
1690 if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) {
1691 return;
1692 }
1693 tcg_gen_ori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], uimm);
1694 }
1695
1696 /* oris */
1697 static void gen_oris(DisasContext *ctx)
1698 {
1699 target_ulong uimm = UIMM(ctx->opcode);
1700
1701 if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) {
1702 /* NOP */
1703 return;
1704 }
1705 tcg_gen_ori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], uimm << 16);
1706 }
1707
1708 /* xori */
1709 static void gen_xori(DisasContext *ctx)
1710 {
1711 target_ulong uimm = UIMM(ctx->opcode);
1712
1713 if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) {
1714 /* NOP */
1715 return;
1716 }
1717 tcg_gen_xori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], uimm);
1718 }
1719
1720 /* xoris */
1721 static void gen_xoris(DisasContext *ctx)
1722 {
1723 target_ulong uimm = UIMM(ctx->opcode);
1724
1725 if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) {
1726 /* NOP */
1727 return;
1728 }
1729 tcg_gen_xori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], uimm << 16);
1730 }
1731
1732 /* popcntb : PowerPC 2.03 specification */
1733 static void gen_popcntb(DisasContext *ctx)
1734 {
1735 gen_helper_popcntb(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);
1736 }
1737
1738 static void gen_popcntw(DisasContext *ctx)
1739 {
1740 #if defined(TARGET_PPC64)
1741 gen_helper_popcntw(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);
1742 #else
1743 tcg_gen_ctpop_i32(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);
1744 #endif
1745 }
1746
1747 #if defined(TARGET_PPC64)
1748 /* popcntd: PowerPC 2.06 specification */
1749 static void gen_popcntd(DisasContext *ctx)
1750 {
1751 tcg_gen_ctpop_i64(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);
1752 }
1753 #endif
1754
1755 /* prtyw: PowerPC 2.05 specification */
1756 static void gen_prtyw(DisasContext *ctx)
1757 {
1758 TCGv ra = cpu_gpr[rA(ctx->opcode)];
1759 TCGv rs = cpu_gpr[rS(ctx->opcode)];
1760 TCGv t0 = tcg_temp_new();
1761 tcg_gen_shri_tl(t0, rs, 16);
1762 tcg_gen_xor_tl(ra, rs, t0);
1763 tcg_gen_shri_tl(t0, ra, 8);
1764 tcg_gen_xor_tl(ra, ra, t0);
1765 tcg_gen_andi_tl(ra, ra, (target_ulong)0x100000001ULL);
1766 tcg_temp_free(t0);
1767 }
1768
1769 #if defined(TARGET_PPC64)
1770 /* prtyd: PowerPC 2.05 specification */
1771 static void gen_prtyd(DisasContext *ctx)
1772 {
1773 TCGv ra = cpu_gpr[rA(ctx->opcode)];
1774 TCGv rs = cpu_gpr[rS(ctx->opcode)];
1775 TCGv t0 = tcg_temp_new();
1776 tcg_gen_shri_tl(t0, rs, 32);
1777 tcg_gen_xor_tl(ra, rs, t0);
1778 tcg_gen_shri_tl(t0, ra, 16);
1779 tcg_gen_xor_tl(ra, ra, t0);
1780 tcg_gen_shri_tl(t0, ra, 8);
1781 tcg_gen_xor_tl(ra, ra, t0);
1782 tcg_gen_andi_tl(ra, ra, 1);
1783 tcg_temp_free(t0);
1784 }
1785 #endif
1786
1787 #if defined(TARGET_PPC64)
1788 /* bpermd */
1789 static void gen_bpermd(DisasContext *ctx)
1790 {
1791 gen_helper_bpermd(cpu_gpr[rA(ctx->opcode)],
1792 cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
1793 }
1794 #endif
1795
1796 #if defined(TARGET_PPC64)
1797 /* extsw & extsw. */
1798 GEN_LOGICAL1(extsw, tcg_gen_ext32s_tl, 0x1E, PPC_64B);
1799
1800 /* cntlzd */
1801 static void gen_cntlzd(DisasContext *ctx)
1802 {
1803 tcg_gen_clzi_i64(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], 64);
1804 if (unlikely(Rc(ctx->opcode) != 0))
1805 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
1806 }
1807
1808 /* cnttzd */
1809 static void gen_cnttzd(DisasContext *ctx)
1810 {
1811 tcg_gen_ctzi_i64(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], 64);
1812 if (unlikely(Rc(ctx->opcode) != 0)) {
1813 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
1814 }
1815 }
1816
1817 /* darn */
1818 static void gen_darn(DisasContext *ctx)
1819 {
1820 int l = L(ctx->opcode);
1821
1822 if (l == 0) {
1823 gen_helper_darn32(cpu_gpr[rD(ctx->opcode)]);
1824 } else if (l <= 2) {
1825 /* Return 64-bit random for both CRN and RRN */
1826 gen_helper_darn64(cpu_gpr[rD(ctx->opcode)]);
1827 } else {
1828 tcg_gen_movi_i64(cpu_gpr[rD(ctx->opcode)], -1);
1829 }
1830 }
1831 #endif
1832
1833 /*** Integer rotate ***/
1834
1835 /* rlwimi & rlwimi. */
1836 static void gen_rlwimi(DisasContext *ctx)
1837 {
1838 TCGv t_ra = cpu_gpr[rA(ctx->opcode)];
1839 TCGv t_rs = cpu_gpr[rS(ctx->opcode)];
1840 uint32_t sh = SH(ctx->opcode);
1841 uint32_t mb = MB(ctx->opcode);
1842 uint32_t me = ME(ctx->opcode);
1843
1844 if (sh == (31-me) && mb <= me) {
1845 tcg_gen_deposit_tl(t_ra, t_ra, t_rs, sh, me - mb + 1);
1846 } else {
1847 target_ulong mask;
1848 TCGv t1;
1849
1850 #if defined(TARGET_PPC64)
1851 mb += 32;
1852 me += 32;
1853 #endif
1854 mask = MASK(mb, me);
1855
1856 t1 = tcg_temp_new();
1857 if (mask <= 0xffffffffu) {
1858 TCGv_i32 t0 = tcg_temp_new_i32();
1859 tcg_gen_trunc_tl_i32(t0, t_rs);
1860 tcg_gen_rotli_i32(t0, t0, sh);
1861 tcg_gen_extu_i32_tl(t1, t0);
1862 tcg_temp_free_i32(t0);
1863 } else {
1864 #if defined(TARGET_PPC64)
1865 tcg_gen_deposit_i64(t1, t_rs, t_rs, 32, 32);
1866 tcg_gen_rotli_i64(t1, t1, sh);
1867 #else
1868 g_assert_not_reached();
1869 #endif
1870 }
1871
1872 tcg_gen_andi_tl(t1, t1, mask);
1873 tcg_gen_andi_tl(t_ra, t_ra, ~mask);
1874 tcg_gen_or_tl(t_ra, t_ra, t1);
1875 tcg_temp_free(t1);
1876 }
1877 if (unlikely(Rc(ctx->opcode) != 0)) {
1878 gen_set_Rc0(ctx, t_ra);
1879 }
1880 }
1881
1882 /* rlwinm & rlwinm. */
1883 static void gen_rlwinm(DisasContext *ctx)
1884 {
1885 TCGv t_ra = cpu_gpr[rA(ctx->opcode)];
1886 TCGv t_rs = cpu_gpr[rS(ctx->opcode)];
1887 int sh = SH(ctx->opcode);
1888 int mb = MB(ctx->opcode);
1889 int me = ME(ctx->opcode);
1890 int len = me - mb + 1;
1891 int rsh = (32 - sh) & 31;
1892
1893 if (sh != 0 && len > 0 && me == (31 - sh)) {
1894 tcg_gen_deposit_z_tl(t_ra, t_rs, sh, len);
1895 } else if (me == 31 && rsh + len <= 32) {
1896 tcg_gen_extract_tl(t_ra, t_rs, rsh, len);
1897 } else {
1898 target_ulong mask;
1899 #if defined(TARGET_PPC64)
1900 mb += 32;
1901 me += 32;
1902 #endif
1903 mask = MASK(mb, me);
1904 if (sh == 0) {
1905 tcg_gen_andi_tl(t_ra, t_rs, mask);
1906 } else if (mask <= 0xffffffffu) {
1907 TCGv_i32 t0 = tcg_temp_new_i32();
1908 tcg_gen_trunc_tl_i32(t0, t_rs);
1909 tcg_gen_rotli_i32(t0, t0, sh);
1910 tcg_gen_andi_i32(t0, t0, mask);
1911 tcg_gen_extu_i32_tl(t_ra, t0);
1912 tcg_temp_free_i32(t0);
1913 } else {
1914 #if defined(TARGET_PPC64)
1915 tcg_gen_deposit_i64(t_ra, t_rs, t_rs, 32, 32);
1916 tcg_gen_rotli_i64(t_ra, t_ra, sh);
1917 tcg_gen_andi_i64(t_ra, t_ra, mask);
1918 #else
1919 g_assert_not_reached();
1920 #endif
1921 }
1922 }
1923 if (unlikely(Rc(ctx->opcode) != 0)) {
1924 gen_set_Rc0(ctx, t_ra);
1925 }
1926 }
1927
1928 /* rlwnm & rlwnm. */
1929 static void gen_rlwnm(DisasContext *ctx)
1930 {
1931 TCGv t_ra = cpu_gpr[rA(ctx->opcode)];
1932 TCGv t_rs = cpu_gpr[rS(ctx->opcode)];
1933 TCGv t_rb = cpu_gpr[rB(ctx->opcode)];
1934 uint32_t mb = MB(ctx->opcode);
1935 uint32_t me = ME(ctx->opcode);
1936 target_ulong mask;
1937
1938 #if defined(TARGET_PPC64)
1939 mb += 32;
1940 me += 32;
1941 #endif
1942 mask = MASK(mb, me);
1943
1944 if (mask <= 0xffffffffu) {
1945 TCGv_i32 t0 = tcg_temp_new_i32();
1946 TCGv_i32 t1 = tcg_temp_new_i32();
1947 tcg_gen_trunc_tl_i32(t0, t_rb);
1948 tcg_gen_trunc_tl_i32(t1, t_rs);
1949 tcg_gen_andi_i32(t0, t0, 0x1f);
1950 tcg_gen_rotl_i32(t1, t1, t0);
1951 tcg_gen_extu_i32_tl(t_ra, t1);
1952 tcg_temp_free_i32(t0);
1953 tcg_temp_free_i32(t1);
1954 } else {
1955 #if defined(TARGET_PPC64)
1956 TCGv_i64 t0 = tcg_temp_new_i64();
1957 tcg_gen_andi_i64(t0, t_rb, 0x1f);
1958 tcg_gen_deposit_i64(t_ra, t_rs, t_rs, 32, 32);
1959 tcg_gen_rotl_i64(t_ra, t_ra, t0);
1960 tcg_temp_free_i64(t0);
1961 #else
1962 g_assert_not_reached();
1963 #endif
1964 }
1965
1966 tcg_gen_andi_tl(t_ra, t_ra, mask);
1967
1968 if (unlikely(Rc(ctx->opcode) != 0)) {
1969 gen_set_Rc0(ctx, t_ra);
1970 }
1971 }
1972
1973 #if defined(TARGET_PPC64)
1974 #define GEN_PPC64_R2(name, opc1, opc2) \
1975 static void glue(gen_, name##0)(DisasContext *ctx) \
1976 { \
1977 gen_##name(ctx, 0); \
1978 } \
1979 \
1980 static void glue(gen_, name##1)(DisasContext *ctx) \
1981 { \
1982 gen_##name(ctx, 1); \
1983 }
1984 #define GEN_PPC64_R4(name, opc1, opc2) \
1985 static void glue(gen_, name##0)(DisasContext *ctx) \
1986 { \
1987 gen_##name(ctx, 0, 0); \
1988 } \
1989 \
1990 static void glue(gen_, name##1)(DisasContext *ctx) \
1991 { \
1992 gen_##name(ctx, 0, 1); \
1993 } \
1994 \
1995 static void glue(gen_, name##2)(DisasContext *ctx) \
1996 { \
1997 gen_##name(ctx, 1, 0); \
1998 } \
1999 \
2000 static void glue(gen_, name##3)(DisasContext *ctx) \
2001 { \
2002 gen_##name(ctx, 1, 1); \
2003 }
2004
2005 static void gen_rldinm(DisasContext *ctx, int mb, int me, int sh)
2006 {
2007 TCGv t_ra = cpu_gpr[rA(ctx->opcode)];
2008 TCGv t_rs = cpu_gpr[rS(ctx->opcode)];
2009 int len = me - mb + 1;
2010 int rsh = (64 - sh) & 63;
2011
2012 if (sh != 0 && len > 0 && me == (63 - sh)) {
2013 tcg_gen_deposit_z_tl(t_ra, t_rs, sh, len);
2014 } else if (me == 63 && rsh + len <= 64) {
2015 tcg_gen_extract_tl(t_ra, t_rs, rsh, len);
2016 } else {
2017 tcg_gen_rotli_tl(t_ra, t_rs, sh);
2018 tcg_gen_andi_tl(t_ra, t_ra, MASK(mb, me));
2019 }
2020 if (unlikely(Rc(ctx->opcode) != 0)) {
2021 gen_set_Rc0(ctx, t_ra);
2022 }
2023 }
2024
2025 /* rldicl - rldicl. */
2026 static inline void gen_rldicl(DisasContext *ctx, int mbn, int shn)
2027 {
2028 uint32_t sh, mb;
2029
2030 sh = SH(ctx->opcode) | (shn << 5);
2031 mb = MB(ctx->opcode) | (mbn << 5);
2032 gen_rldinm(ctx, mb, 63, sh);
2033 }
2034 GEN_PPC64_R4(rldicl, 0x1E, 0x00);
2035
2036 /* rldicr - rldicr. */
2037 static inline void gen_rldicr(DisasContext *ctx, int men, int shn)
2038 {
2039 uint32_t sh, me;
2040
2041 sh = SH(ctx->opcode) | (shn << 5);
2042 me = MB(ctx->opcode) | (men << 5);
2043 gen_rldinm(ctx, 0, me, sh);
2044 }
2045 GEN_PPC64_R4(rldicr, 0x1E, 0x02);
2046
2047 /* rldic - rldic. */
2048 static inline void gen_rldic(DisasContext *ctx, int mbn, int shn)
2049 {
2050 uint32_t sh, mb;
2051
2052 sh = SH(ctx->opcode) | (shn << 5);
2053 mb = MB(ctx->opcode) | (mbn << 5);
2054 gen_rldinm(ctx, mb, 63 - sh, sh);
2055 }
2056 GEN_PPC64_R4(rldic, 0x1E, 0x04);
2057
2058 static void gen_rldnm(DisasContext *ctx, int mb, int me)
2059 {
2060 TCGv t_ra = cpu_gpr[rA(ctx->opcode)];
2061 TCGv t_rs = cpu_gpr[rS(ctx->opcode)];
2062 TCGv t_rb = cpu_gpr[rB(ctx->opcode)];
2063 TCGv t0;
2064
2065 t0 = tcg_temp_new();
2066 tcg_gen_andi_tl(t0, t_rb, 0x3f);
2067 tcg_gen_rotl_tl(t_ra, t_rs, t0);
2068 tcg_temp_free(t0);
2069
2070 tcg_gen_andi_tl(t_ra, t_ra, MASK(mb, me));
2071 if (unlikely(Rc(ctx->opcode) != 0)) {
2072 gen_set_Rc0(ctx, t_ra);
2073 }
2074 }
2075
2076 /* rldcl - rldcl. */
2077 static inline void gen_rldcl(DisasContext *ctx, int mbn)
2078 {
2079 uint32_t mb;
2080
2081 mb = MB(ctx->opcode) | (mbn << 5);
2082 gen_rldnm(ctx, mb, 63);
2083 }
2084 GEN_PPC64_R2(rldcl, 0x1E, 0x08);
2085
2086 /* rldcr - rldcr. */
2087 static inline void gen_rldcr(DisasContext *ctx, int men)
2088 {
2089 uint32_t me;
2090
2091 me = MB(ctx->opcode) | (men << 5);
2092 gen_rldnm(ctx, 0, me);
2093 }
2094 GEN_PPC64_R2(rldcr, 0x1E, 0x09);
2095
2096 /* rldimi - rldimi. */
2097 static void gen_rldimi(DisasContext *ctx, int mbn, int shn)
2098 {
2099 TCGv t_ra = cpu_gpr[rA(ctx->opcode)];
2100 TCGv t_rs = cpu_gpr[rS(ctx->opcode)];
2101 uint32_t sh = SH(ctx->opcode) | (shn << 5);
2102 uint32_t mb = MB(ctx->opcode) | (mbn << 5);
2103 uint32_t me = 63 - sh;
2104
2105 if (mb <= me) {
2106 tcg_gen_deposit_tl(t_ra, t_ra, t_rs, sh, me - mb + 1);
2107 } else {
2108 target_ulong mask = MASK(mb, me);
2109 TCGv t1 = tcg_temp_new();
2110
2111 tcg_gen_rotli_tl(t1, t_rs, sh);
2112 tcg_gen_andi_tl(t1, t1, mask);
2113 tcg_gen_andi_tl(t_ra, t_ra, ~mask);
2114 tcg_gen_or_tl(t_ra, t_ra, t1);
2115 tcg_temp_free(t1);
2116 }
2117 if (unlikely(Rc(ctx->opcode) != 0)) {
2118 gen_set_Rc0(ctx, t_ra);
2119 }
2120 }
2121 GEN_PPC64_R4(rldimi, 0x1E, 0x06);
2122 #endif
2123
2124 /*** Integer shift ***/
2125
2126 /* slw & slw. */
2127 static void gen_slw(DisasContext *ctx)
2128 {
2129 TCGv t0, t1;
2130
2131 t0 = tcg_temp_new();
2132 /* AND rS with a mask that is 0 when rB >= 0x20 */
2133 #if defined(TARGET_PPC64)
2134 tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x3a);
2135 tcg_gen_sari_tl(t0, t0, 0x3f);
2136 #else
2137 tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1a);
2138 tcg_gen_sari_tl(t0, t0, 0x1f);
2139 #endif
2140 tcg_gen_andc_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
2141 t1 = tcg_temp_new();
2142 tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1f);
2143 tcg_gen_shl_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
2144 tcg_temp_free(t1);
2145 tcg_temp_free(t0);
2146 tcg_gen_ext32u_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
2147 if (unlikely(Rc(ctx->opcode) != 0))
2148 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
2149 }
2150
2151 /* sraw & sraw. */
2152 static void gen_sraw(DisasContext *ctx)
2153 {
2154 gen_helper_sraw(cpu_gpr[rA(ctx->opcode)], cpu_env,
2155 cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
2156 if (unlikely(Rc(ctx->opcode) != 0))
2157 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
2158 }
2159
2160 /* srawi & srawi. */
2161 static void gen_srawi(DisasContext *ctx)
2162 {
2163 int sh = SH(ctx->opcode);
2164 TCGv dst = cpu_gpr[rA(ctx->opcode)];
2165 TCGv src = cpu_gpr[rS(ctx->opcode)];
2166 if (sh == 0) {
2167 tcg_gen_ext32s_tl(dst, src);
2168 tcg_gen_movi_tl(cpu_ca, 0);
2169 if (is_isa300(ctx)) {
2170 tcg_gen_movi_tl(cpu_ca32, 0);
2171 }
2172 } else {
2173 TCGv t0;
2174 tcg_gen_ext32s_tl(dst, src);
2175 tcg_gen_andi_tl(cpu_ca, dst, (1ULL << sh) - 1);
2176 t0 = tcg_temp_new();
2177 tcg_gen_sari_tl(t0, dst, TARGET_LONG_BITS - 1);
2178 tcg_gen_and_tl(cpu_ca, cpu_ca, t0);
2179 tcg_temp_free(t0);
2180 tcg_gen_setcondi_tl(TCG_COND_NE, cpu_ca, cpu_ca, 0);
2181 if (is_isa300(ctx)) {
2182 tcg_gen_mov_tl(cpu_ca32, cpu_ca);
2183 }
2184 tcg_gen_sari_tl(dst, dst, sh);
2185 }
2186 if (unlikely(Rc(ctx->opcode) != 0)) {
2187 gen_set_Rc0(ctx, dst);
2188 }
2189 }
2190
2191 /* srw & srw. */
2192 static void gen_srw(DisasContext *ctx)
2193 {
2194 TCGv t0, t1;
2195
2196 t0 = tcg_temp_new();
2197 /* AND rS with a mask that is 0 when rB >= 0x20 */
2198 #if defined(TARGET_PPC64)
2199 tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x3a);
2200 tcg_gen_sari_tl(t0, t0, 0x3f);
2201 #else
2202 tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1a);
2203 tcg_gen_sari_tl(t0, t0, 0x1f);
2204 #endif
2205 tcg_gen_andc_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
2206 tcg_gen_ext32u_tl(t0, t0);
2207 t1 = tcg_temp_new();
2208 tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1f);
2209 tcg_gen_shr_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
2210 tcg_temp_free(t1);
2211 tcg_temp_free(t0);
2212 if (unlikely(Rc(ctx->opcode) != 0))
2213 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
2214 }
2215
2216 #if defined(TARGET_PPC64)
2217 /* sld & sld. */
2218 static void gen_sld(DisasContext *ctx)
2219 {
2220 TCGv t0, t1;
2221
2222 t0 = tcg_temp_new();
2223 /* AND rS with a mask that is 0 when rB >= 0x40 */
2224 tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x39);
2225 tcg_gen_sari_tl(t0, t0, 0x3f);
2226 tcg_gen_andc_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
2227 t1 = tcg_temp_new();
2228 tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x3f);
2229 tcg_gen_shl_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
2230 tcg_temp_free(t1);
2231 tcg_temp_free(t0);
2232 if (unlikely(Rc(ctx->opcode) != 0))
2233 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
2234 }
2235
2236 /* srad & srad. */
2237 static void gen_srad(DisasContext *ctx)
2238 {
2239 gen_helper_srad(cpu_gpr[rA(ctx->opcode)], cpu_env,
2240 cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
2241 if (unlikely(Rc(ctx->opcode) != 0))
2242 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
2243 }
2244 /* sradi & sradi. */
2245 static inline void gen_sradi(DisasContext *ctx, int n)
2246 {
2247 int sh = SH(ctx->opcode) + (n << 5);
2248 TCGv dst = cpu_gpr[rA(ctx->opcode)];
2249 TCGv src = cpu_gpr[rS(ctx->opcode)];
2250 if (sh == 0) {
2251 tcg_gen_mov_tl(dst, src);
2252 tcg_gen_movi_tl(cpu_ca, 0);
2253 if (is_isa300(ctx)) {
2254 tcg_gen_movi_tl(cpu_ca32, 0);
2255 }
2256 } else {
2257 TCGv t0;
2258 tcg_gen_andi_tl(cpu_ca, src, (1ULL << sh) - 1);
2259 t0 = tcg_temp_new();
2260 tcg_gen_sari_tl(t0, src, TARGET_LONG_BITS - 1);
2261 tcg_gen_and_tl(cpu_ca, cpu_ca, t0);
2262 tcg_temp_free(t0);
2263 tcg_gen_setcondi_tl(TCG_COND_NE, cpu_ca, cpu_ca, 0);
2264 if (is_isa300(ctx)) {
2265 tcg_gen_mov_tl(cpu_ca32, cpu_ca);
2266 }
2267 tcg_gen_sari_tl(dst, src, sh);
2268 }
2269 if (unlikely(Rc(ctx->opcode) != 0)) {
2270 gen_set_Rc0(ctx, dst);
2271 }
2272 }
2273
2274 static void gen_sradi0(DisasContext *ctx)
2275 {
2276 gen_sradi(ctx, 0);
2277 }
2278
2279 static void gen_sradi1(DisasContext *ctx)
2280 {
2281 gen_sradi(ctx, 1);
2282 }
2283
2284 /* extswsli & extswsli. */
2285 static inline void gen_extswsli(DisasContext *ctx, int n)
2286 {
2287 int sh = SH(ctx->opcode) + (n << 5);
2288 TCGv dst = cpu_gpr[rA(ctx->opcode)];
2289 TCGv src = cpu_gpr[rS(ctx->opcode)];
2290
2291 tcg_gen_ext32s_tl(dst, src);
2292 tcg_gen_shli_tl(dst, dst, sh);
2293 if (unlikely(Rc(ctx->opcode) != 0)) {
2294 gen_set_Rc0(ctx, dst);
2295 }
2296 }
2297
2298 static void gen_extswsli0(DisasContext *ctx)
2299 {
2300 gen_extswsli(ctx, 0);
2301 }
2302
2303 static void gen_extswsli1(DisasContext *ctx)
2304 {
2305 gen_extswsli(ctx, 1);
2306 }
2307
2308 /* srd & srd. */
2309 static void gen_srd(DisasContext *ctx)
2310 {
2311 TCGv t0, t1;
2312
2313 t0 = tcg_temp_new();
2314 /* AND rS with a mask that is 0 when rB >= 0x40 */
2315 tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x39);
2316 tcg_gen_sari_tl(t0, t0, 0x3f);
2317 tcg_gen_andc_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
2318 t1 = tcg_temp_new();
2319 tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x3f);
2320 tcg_gen_shr_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
2321 tcg_temp_free(t1);
2322 tcg_temp_free(t0);
2323 if (unlikely(Rc(ctx->opcode) != 0))
2324 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
2325 }
2326 #endif
2327
2328 /*** Addressing modes ***/
2329 /* Register indirect with immediate index : EA = (rA|0) + SIMM */
2330 static inline void gen_addr_imm_index(DisasContext *ctx, TCGv EA,
2331 target_long maskl)
2332 {
2333 target_long simm = SIMM(ctx->opcode);
2334
2335 simm &= ~maskl;
2336 if (rA(ctx->opcode) == 0) {
2337 if (NARROW_MODE(ctx)) {
2338 simm = (uint32_t)simm;
2339 }
2340 tcg_gen_movi_tl(EA, simm);
2341 } else if (likely(simm != 0)) {
2342 tcg_gen_addi_tl(EA, cpu_gpr[rA(ctx->opcode)], simm);
2343 if (NARROW_MODE(ctx)) {
2344 tcg_gen_ext32u_tl(EA, EA);
2345 }
2346 } else {
2347 if (NARROW_MODE(ctx)) {
2348 tcg_gen_ext32u_tl(EA, cpu_gpr[rA(ctx->opcode)]);
2349 } else {
2350 tcg_gen_mov_tl(EA, cpu_gpr[rA(ctx->opcode)]);
2351 }
2352 }
2353 }
2354
2355 static inline void gen_addr_reg_index(DisasContext *ctx, TCGv EA)
2356 {
2357 if (rA(ctx->opcode) == 0) {
2358 if (NARROW_MODE(ctx)) {
2359 tcg_gen_ext32u_tl(EA, cpu_gpr[rB(ctx->opcode)]);
2360 } else {
2361 tcg_gen_mov_tl(EA, cpu_gpr[rB(ctx->opcode)]);
2362 }
2363 } else {
2364 tcg_gen_add_tl(EA, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
2365 if (NARROW_MODE(ctx)) {
2366 tcg_gen_ext32u_tl(EA, EA);
2367 }
2368 }
2369 }
2370
2371 static inline void gen_addr_register(DisasContext *ctx, TCGv EA)
2372 {
2373 if (rA(ctx->opcode) == 0) {
2374 tcg_gen_movi_tl(EA, 0);
2375 } else if (NARROW_MODE(ctx)) {
2376 tcg_gen_ext32u_tl(EA, cpu_gpr[rA(ctx->opcode)]);
2377 } else {
2378 tcg_gen_mov_tl(EA, cpu_gpr[rA(ctx->opcode)]);
2379 }
2380 }
2381
2382 static inline void gen_addr_add(DisasContext *ctx, TCGv ret, TCGv arg1,
2383 target_long val)
2384 {
2385 tcg_gen_addi_tl(ret, arg1, val);
2386 if (NARROW_MODE(ctx)) {
2387 tcg_gen_ext32u_tl(ret, ret);
2388 }
2389 }
2390
2391 static inline void gen_align_no_le(DisasContext *ctx)
2392 {
2393 gen_exception_err(ctx, POWERPC_EXCP_ALIGN,
2394 (ctx->opcode & 0x03FF0000) | POWERPC_EXCP_ALIGN_LE);
2395 }
2396
2397 /*** Integer load ***/
2398 #define DEF_MEMOP(op) ((op) | ctx->default_tcg_memop_mask)
2399 #define BSWAP_MEMOP(op) ((op) | (ctx->default_tcg_memop_mask ^ MO_BSWAP))
2400
2401 #define GEN_QEMU_LOAD_TL(ldop, op) \
2402 static void glue(gen_qemu_, ldop)(DisasContext *ctx, \
2403 TCGv val, \
2404 TCGv addr) \
2405 { \
2406 tcg_gen_qemu_ld_tl(val, addr, ctx->mem_idx, op); \
2407 }
2408
2409 GEN_QEMU_LOAD_TL(ld8u, DEF_MEMOP(MO_UB))
2410 GEN_QEMU_LOAD_TL(ld16u, DEF_MEMOP(MO_UW))
2411 GEN_QEMU_LOAD_TL(ld16s, DEF_MEMOP(MO_SW))
2412 GEN_QEMU_LOAD_TL(ld32u, DEF_MEMOP(MO_UL))
2413 GEN_QEMU_LOAD_TL(ld32s, DEF_MEMOP(MO_SL))
2414
2415 GEN_QEMU_LOAD_TL(ld16ur, BSWAP_MEMOP(MO_UW))
2416 GEN_QEMU_LOAD_TL(ld32ur, BSWAP_MEMOP(MO_UL))
2417
2418 #define GEN_QEMU_LOAD_64(ldop, op) \
2419 static void glue(gen_qemu_, glue(ldop, _i64))(DisasContext *ctx, \
2420 TCGv_i64 val, \
2421 TCGv addr) \
2422 { \
2423 tcg_gen_qemu_ld_i64(val, addr, ctx->mem_idx, op); \
2424 }
2425
2426 GEN_QEMU_LOAD_64(ld8u, DEF_MEMOP(MO_UB))
2427 GEN_QEMU_LOAD_64(ld16u, DEF_MEMOP(MO_UW))
2428 GEN_QEMU_LOAD_64(ld32u, DEF_MEMOP(MO_UL))
2429 GEN_QEMU_LOAD_64(ld32s, DEF_MEMOP(MO_SL))
2430 GEN_QEMU_LOAD_64(ld64, DEF_MEMOP(MO_Q))
2431
2432 #if defined(TARGET_PPC64)
2433 GEN_QEMU_LOAD_64(ld64ur, BSWAP_MEMOP(MO_Q))
2434 #endif
2435
2436 #define GEN_QEMU_STORE_TL(stop, op) \
2437 static void glue(gen_qemu_, stop)(DisasContext *ctx, \
2438 TCGv val, \
2439 TCGv addr) \
2440 { \
2441 tcg_gen_qemu_st_tl(val, addr, ctx->mem_idx, op); \
2442 }
2443
2444 GEN_QEMU_STORE_TL(st8, DEF_MEMOP(MO_UB))
2445 GEN_QEMU_STORE_TL(st16, DEF_MEMOP(MO_UW))
2446 GEN_QEMU_STORE_TL(st32, DEF_MEMOP(MO_UL))
2447
2448 GEN_QEMU_STORE_TL(st16r, BSWAP_MEMOP(MO_UW))
2449 GEN_QEMU_STORE_TL(st32r, BSWAP_MEMOP(MO_UL))
2450
2451 #define GEN_QEMU_STORE_64(stop, op) \
2452 static void glue(gen_qemu_, glue(stop, _i64))(DisasContext *ctx, \
2453 TCGv_i64 val, \
2454 TCGv addr) \
2455 { \
2456 tcg_gen_qemu_st_i64(val, addr, ctx->mem_idx, op); \
2457 }
2458
2459 GEN_QEMU_STORE_64(st8, DEF_MEMOP(MO_UB))
2460 GEN_QEMU_STORE_64(st16, DEF_MEMOP(MO_UW))
2461 GEN_QEMU_STORE_64(st32, DEF_MEMOP(MO_UL))
2462 GEN_QEMU_STORE_64(st64, DEF_MEMOP(MO_Q))
2463
2464 #if defined(TARGET_PPC64)
2465 GEN_QEMU_STORE_64(st64r, BSWAP_MEMOP(MO_Q))
2466 #endif
2467
2468 #define GEN_LD(name, ldop, opc, type) \
2469 static void glue(gen_, name)(DisasContext *ctx) \
2470 { \
2471 TCGv EA; \
2472 gen_set_access_type(ctx, ACCESS_INT); \
2473 EA = tcg_temp_new(); \
2474 gen_addr_imm_index(ctx, EA, 0); \
2475 gen_qemu_##ldop(ctx, cpu_gpr[rD(ctx->opcode)], EA); \
2476 tcg_temp_free(EA); \
2477 }
2478
2479 #define GEN_LDU(name, ldop, opc, type) \
2480 static void glue(gen_, name##u)(DisasContext *ctx) \
2481 { \
2482 TCGv EA; \
2483 if (unlikely(rA(ctx->opcode) == 0 || \
2484 rA(ctx->opcode) == rD(ctx->opcode))) { \
2485 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); \
2486 return; \
2487 } \
2488 gen_set_access_type(ctx, ACCESS_INT); \
2489 EA = tcg_temp_new(); \
2490 if (type == PPC_64B) \
2491 gen_addr_imm_index(ctx, EA, 0x03); \
2492 else \
2493 gen_addr_imm_index(ctx, EA, 0); \
2494 gen_qemu_##ldop(ctx, cpu_gpr[rD(ctx->opcode)], EA); \
2495 tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA); \
2496 tcg_temp_free(EA); \
2497 }
2498
2499 #define GEN_LDUX(name, ldop, opc2, opc3, type) \
2500 static void glue(gen_, name##ux)(DisasContext *ctx) \
2501 { \
2502 TCGv EA; \
2503 if (unlikely(rA(ctx->opcode) == 0 || \
2504 rA(ctx->opcode) == rD(ctx->opcode))) { \
2505 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); \
2506 return; \
2507 } \
2508 gen_set_access_type(ctx, ACCESS_INT); \
2509 EA = tcg_temp_new(); \
2510 gen_addr_reg_index(ctx, EA); \
2511 gen_qemu_##ldop(ctx, cpu_gpr[rD(ctx->opcode)], EA); \
2512 tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA); \
2513 tcg_temp_free(EA); \
2514 }
2515
2516 #define GEN_LDX_E(name, ldop, opc2, opc3, type, type2, chk) \
2517 static void glue(gen_, name##x)(DisasContext *ctx) \
2518 { \
2519 TCGv EA; \
2520 chk; \
2521 gen_set_access_type(ctx, ACCESS_INT); \
2522 EA = tcg_temp_new(); \
2523 gen_addr_reg_index(ctx, EA); \
2524 gen_qemu_##ldop(ctx, cpu_gpr[rD(ctx->opcode)], EA); \
2525 tcg_temp_free(EA); \
2526 }
2527
2528 #define GEN_LDX(name, ldop, opc2, opc3, type) \
2529 GEN_LDX_E(name, ldop, opc2, opc3, type, PPC_NONE, CHK_NONE)
2530
2531 #define GEN_LDX_HVRM(name, ldop, opc2, opc3, type) \
2532 GEN_LDX_E(name, ldop, opc2, opc3, type, PPC_NONE, CHK_HVRM)
2533
2534 #define GEN_LDS(name, ldop, op, type) \
2535 GEN_LD(name, ldop, op | 0x20, type); \
2536 GEN_LDU(name, ldop, op | 0x21, type); \
2537 GEN_LDUX(name, ldop, 0x17, op | 0x01, type); \
2538 GEN_LDX(name, ldop, 0x17, op | 0x00, type)
2539
2540 /* lbz lbzu lbzux lbzx */
2541 GEN_LDS(lbz, ld8u, 0x02, PPC_INTEGER);
2542 /* lha lhau lhaux lhax */
2543 GEN_LDS(lha, ld16s, 0x0A, PPC_INTEGER);
2544 /* lhz lhzu lhzux lhzx */
2545 GEN_LDS(lhz, ld16u, 0x08, PPC_INTEGER);
2546 /* lwz lwzu lwzux lwzx */
2547 GEN_LDS(lwz, ld32u, 0x00, PPC_INTEGER);
2548
2549 #define GEN_LDEPX(name, ldop, opc2, opc3) \
2550 static void glue(gen_, name##epx)(DisasContext *ctx) \
2551 { \
2552 TCGv EA; \
2553 CHK_SV; \
2554 gen_set_access_type(ctx, ACCESS_INT); \
2555 EA = tcg_temp_new(); \
2556 gen_addr_reg_index(ctx, EA); \
2557 tcg_gen_qemu_ld_tl(cpu_gpr[rD(ctx->opcode)], EA, PPC_TLB_EPID_LOAD, ldop);\
2558 tcg_temp_free(EA); \
2559 }
2560
2561 GEN_LDEPX(lb, DEF_MEMOP(MO_UB), 0x1F, 0x02)
2562 GEN_LDEPX(lh, DEF_MEMOP(MO_UW), 0x1F, 0x08)
2563 GEN_LDEPX(lw, DEF_MEMOP(MO_UL), 0x1F, 0x00)
2564 #if defined(TARGET_PPC64)
2565 GEN_LDEPX(ld, DEF_MEMOP(MO_Q), 0x1D, 0x00)
2566 #endif
2567
2568 #if defined(TARGET_PPC64)
2569 /* lwaux */
2570 GEN_LDUX(lwa, ld32s, 0x15, 0x0B, PPC_64B);
2571 /* lwax */
2572 GEN_LDX(lwa, ld32s, 0x15, 0x0A, PPC_64B);
2573 /* ldux */
2574 GEN_LDUX(ld, ld64_i64, 0x15, 0x01, PPC_64B);
2575 /* ldx */
2576 GEN_LDX(ld, ld64_i64, 0x15, 0x00, PPC_64B);
2577
2578 /* CI load/store variants */
2579 GEN_LDX_HVRM(ldcix, ld64_i64, 0x15, 0x1b, PPC_CILDST)
2580 GEN_LDX_HVRM(lwzcix, ld32u, 0x15, 0x15, PPC_CILDST)
2581 GEN_LDX_HVRM(lhzcix, ld16u, 0x15, 0x19, PPC_CILDST)
2582 GEN_LDX_HVRM(lbzcix, ld8u, 0x15, 0x1a, PPC_CILDST)
2583
2584 static void gen_ld(DisasContext *ctx)
2585 {
2586 TCGv EA;
2587 if (Rc(ctx->opcode)) {
2588 if (unlikely(rA(ctx->opcode) == 0 ||
2589 rA(ctx->opcode) == rD(ctx->opcode))) {
2590 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
2591 return;
2592 }
2593 }
2594 gen_set_access_type(ctx, ACCESS_INT);
2595 EA = tcg_temp_new();
2596 gen_addr_imm_index(ctx, EA, 0x03);
2597 if (ctx->opcode & 0x02) {
2598 /* lwa (lwau is undefined) */
2599 gen_qemu_ld32s(ctx, cpu_gpr[rD(ctx->opcode)], EA);
2600 } else {
2601 /* ld - ldu */
2602 gen_qemu_ld64_i64(ctx, cpu_gpr[rD(ctx->opcode)], EA);
2603 }
2604 if (Rc(ctx->opcode))
2605 tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA);
2606 tcg_temp_free(EA);
2607 }
2608
2609 /* lq */
2610 static void gen_lq(DisasContext *ctx)
2611 {
2612 int ra, rd;
2613 TCGv EA, hi, lo;
2614
2615 /* lq is a legal user mode instruction starting in ISA 2.07 */
2616 bool legal_in_user_mode = (ctx->insns_flags2 & PPC2_LSQ_ISA207) != 0;
2617 bool le_is_supported = (ctx->insns_flags2 & PPC2_LSQ_ISA207) != 0;
2618
2619 if (!legal_in_user_mode && ctx->pr) {
2620 gen_priv_exception(ctx, POWERPC_EXCP_PRIV_OPC);
2621 return;
2622 }
2623
2624 if (!le_is_supported && ctx->le_mode) {
2625 gen_align_no_le(ctx);
2626 return;
2627 }
2628 ra = rA(ctx->opcode);
2629 rd = rD(ctx->opcode);
2630 if (unlikely((rd & 1) || rd == ra)) {
2631 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
2632 return;
2633 }
2634
2635 gen_set_access_type(ctx, ACCESS_INT);
2636 EA = tcg_temp_new();
2637 gen_addr_imm_index(ctx, EA, 0x0F);
2638
2639 /* Note that the low part is always in RD+1, even in LE mode. */
2640 lo = cpu_gpr[rd + 1];
2641 hi = cpu_gpr[rd];
2642
2643 if (tb_cflags(ctx->base.tb) & CF_PARALLEL) {
2644 if (HAVE_ATOMIC128) {
2645 TCGv_i32 oi = tcg_temp_new_i32();
2646 if (ctx->le_mode) {
2647 tcg_gen_movi_i32(oi, make_memop_idx(MO_LEQ, ctx->mem_idx));
2648 gen_helper_lq_le_parallel(lo, cpu_env, EA, oi);
2649 } else {
2650 tcg_gen_movi_i32(oi, make_memop_idx(MO_BEQ, ctx->mem_idx));
2651 gen_helper_lq_be_parallel(lo, cpu_env, EA, oi);
2652 }
2653 tcg_temp_free_i32(oi);
2654 tcg_gen_ld_i64(hi, cpu_env, offsetof(CPUPPCState, retxh));
2655 } else {
2656 /* Restart with exclusive lock. */
2657 gen_helper_exit_atomic(cpu_env);
2658 ctx->base.is_jmp = DISAS_NORETURN;
2659 }
2660 } else if (ctx->le_mode) {
2661 tcg_gen_qemu_ld_i64(lo, EA, ctx->mem_idx, MO_LEQ);
2662 gen_addr_add(ctx, EA, EA, 8);
2663 tcg_gen_qemu_ld_i64(hi, EA, ctx->mem_idx, MO_LEQ);
2664 } else {
2665 tcg_gen_qemu_ld_i64(hi, EA, ctx->mem_idx, MO_BEQ);
2666 gen_addr_add(ctx, EA, EA, 8);
2667 tcg_gen_qemu_ld_i64(lo, EA, ctx->mem_idx, MO_BEQ);
2668 }
2669 tcg_temp_free(EA);
2670 }
2671 #endif
2672
2673 /*** Integer store ***/
2674 #define GEN_ST(name, stop, opc, type) \
2675 static void glue(gen_, name)(DisasContext *ctx) \
2676 { \
2677 TCGv EA; \
2678 gen_set_access_type(ctx, ACCESS_INT); \
2679 EA = tcg_temp_new(); \
2680 gen_addr_imm_index(ctx, EA, 0); \
2681 gen_qemu_##stop(ctx, cpu_gpr[rS(ctx->opcode)], EA); \
2682 tcg_temp_free(EA); \
2683 }
2684
2685 #define GEN_STU(name, stop, opc, type) \
2686 static void glue(gen_, stop##u)(DisasContext *ctx) \
2687 { \
2688 TCGv EA; \
2689 if (unlikely(rA(ctx->opcode) == 0)) { \
2690 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); \
2691 return; \
2692 } \
2693 gen_set_access_type(ctx, ACCESS_INT); \
2694 EA = tcg_temp_new(); \
2695 if (type == PPC_64B) \
2696 gen_addr_imm_index(ctx, EA, 0x03); \
2697 else \
2698 gen_addr_imm_index(ctx, EA, 0); \
2699 gen_qemu_##stop(ctx, cpu_gpr[rS(ctx->opcode)], EA); \
2700 tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA); \
2701 tcg_temp_free(EA); \
2702 }
2703
2704 #define GEN_STUX(name, stop, opc2, opc3, type) \
2705 static void glue(gen_, name##ux)(DisasContext *ctx) \
2706 { \
2707 TCGv EA; \
2708 if (unlikely(rA(ctx->opcode) == 0)) { \
2709 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); \
2710 return; \
2711 } \
2712 gen_set_access_type(ctx, ACCESS_INT); \
2713 EA = tcg_temp_new(); \
2714 gen_addr_reg_index(ctx, EA); \
2715 gen_qemu_##stop(ctx, cpu_gpr[rS(ctx->opcode)], EA); \
2716 tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA); \
2717 tcg_temp_free(EA); \
2718 }
2719
2720 #define GEN_STX_E(name, stop, opc2, opc3, type, type2, chk) \
2721 static void glue(gen_, name##x)(DisasContext *ctx) \
2722 { \
2723 TCGv EA; \
2724 chk; \
2725 gen_set_access_type(ctx, ACCESS_INT); \
2726 EA = tcg_temp_new(); \
2727 gen_addr_reg_index(ctx, EA); \
2728 gen_qemu_##stop(ctx, cpu_gpr[rS(ctx->opcode)], EA); \
2729 tcg_temp_free(EA); \
2730 }
2731 #define GEN_STX(name, stop, opc2, opc3, type) \
2732 GEN_STX_E(name, stop, opc2, opc3, type, PPC_NONE, CHK_NONE)
2733
2734 #define GEN_STX_HVRM(name, stop, opc2, opc3, type) \
2735 GEN_STX_E(name, stop, opc2, opc3, type, PPC_NONE, CHK_HVRM)
2736
2737 #define GEN_STS(name, stop, op, type) \
2738 GEN_ST(name, stop, op | 0x20, type); \
2739 GEN_STU(name, stop, op | 0x21, type); \
2740 GEN_STUX(name, stop, 0x17, op | 0x01, type); \
2741 GEN_STX(name, stop, 0x17, op | 0x00, type)
2742
2743 /* stb stbu stbux stbx */
2744 GEN_STS(stb, st8, 0x06, PPC_INTEGER);
2745 /* sth sthu sthux sthx */
2746 GEN_STS(sth, st16, 0x0C, PPC_INTEGER);
2747 /* stw stwu stwux stwx */
2748 GEN_STS(stw, st32, 0x04, PPC_INTEGER);
2749
2750 #define GEN_STEPX(name, stop, opc2, opc3) \
2751 static void glue(gen_, name##epx)(DisasContext *ctx) \
2752 { \
2753 TCGv EA; \
2754 CHK_SV; \
2755 gen_set_access_type(ctx, ACCESS_INT); \
2756 EA = tcg_temp_new(); \
2757 gen_addr_reg_index(ctx, EA); \
2758 tcg_gen_qemu_st_tl( \
2759 cpu_gpr[rD(ctx->opcode)], EA, PPC_TLB_EPID_STORE, stop); \
2760 tcg_temp_free(EA); \
2761 }
2762
2763 GEN_STEPX(stb, DEF_MEMOP(MO_UB), 0x1F, 0x06)
2764 GEN_STEPX(sth, DEF_MEMOP(MO_UW), 0x1F, 0x0C)
2765 GEN_STEPX(stw, DEF_MEMOP(MO_UL), 0x1F, 0x04)
2766 #if defined(TARGET_PPC64)
2767 GEN_STEPX(std, DEF_MEMOP(MO_Q), 0x1d, 0x04)
2768 #endif
2769
2770 #if defined(TARGET_PPC64)
2771 GEN_STUX(std, st64_i64, 0x15, 0x05, PPC_64B);
2772 GEN_STX(std, st64_i64, 0x15, 0x04, PPC_64B);
2773 GEN_STX_HVRM(stdcix, st64_i64, 0x15, 0x1f, PPC_CILDST)
2774 GEN_STX_HVRM(stwcix, st32, 0x15, 0x1c, PPC_CILDST)
2775 GEN_STX_HVRM(sthcix, st16, 0x15, 0x1d, PPC_CILDST)
2776 GEN_STX_HVRM(stbcix, st8, 0x15, 0x1e, PPC_CILDST)
2777
2778 static void gen_std(DisasContext *ctx)
2779 {
2780 int rs;
2781 TCGv EA;
2782
2783 rs = rS(ctx->opcode);
2784 if ((ctx->opcode & 0x3) == 0x2) { /* stq */
2785 bool legal_in_user_mode = (ctx->insns_flags2 & PPC2_LSQ_ISA207) != 0;
2786 bool le_is_supported = (ctx->insns_flags2 & PPC2_LSQ_ISA207) != 0;
2787 TCGv hi, lo;
2788
2789 if (!(ctx->insns_flags & PPC_64BX)) {
2790 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
2791 }
2792
2793 if (!legal_in_user_mode && ctx->pr) {
2794 gen_priv_exception(ctx, POWERPC_EXCP_PRIV_OPC);
2795 return;
2796 }
2797
2798 if (!le_is_supported && ctx->le_mode) {
2799 gen_align_no_le(ctx);
2800 return;
2801 }
2802
2803 if (unlikely(rs & 1)) {
2804 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
2805 return;
2806 }
2807 gen_set_access_type(ctx, ACCESS_INT);
2808 EA = tcg_temp_new();
2809 gen_addr_imm_index(ctx, EA, 0x03);
2810
2811 /* Note that the low part is always in RS+1, even in LE mode. */
2812 lo = cpu_gpr[rs + 1];
2813 hi = cpu_gpr[rs];
2814
2815 if (tb_cflags(ctx->base.tb) & CF_PARALLEL) {
2816 if (HAVE_ATOMIC128) {
2817 TCGv_i32 oi = tcg_temp_new_i32();
2818 if (ctx->le_mode) {
2819 tcg_gen_movi_i32(oi, make_memop_idx(MO_LEQ, ctx->mem_idx));
2820 gen_helper_stq_le_parallel(cpu_env, EA, lo, hi, oi);
2821 } else {
2822 tcg_gen_movi_i32(oi, make_memop_idx(MO_BEQ, ctx->mem_idx));
2823 gen_helper_stq_be_parallel(cpu_env, EA, lo, hi, oi);
2824 }
2825 tcg_temp_free_i32(oi);
2826 } else {
2827 /* Restart with exclusive lock. */
2828 gen_helper_exit_atomic(cpu_env);
2829 ctx->base.is_jmp = DISAS_NORETURN;
2830 }
2831 } else if (ctx->le_mode) {
2832 tcg_gen_qemu_st_i64(lo, EA, ctx->mem_idx, MO_LEQ);
2833 gen_addr_add(ctx, EA, EA, 8);
2834 tcg_gen_qemu_st_i64(hi, EA, ctx->mem_idx, MO_LEQ);
2835 } else {
2836 tcg_gen_qemu_st_i64(hi, EA, ctx->mem_idx, MO_BEQ);
2837 gen_addr_add(ctx, EA, EA, 8);
2838 tcg_gen_qemu_st_i64(lo, EA, ctx->mem_idx, MO_BEQ);
2839 }
2840 tcg_temp_free(EA);
2841 } else {
2842 /* std / stdu */
2843 if (Rc(ctx->opcode)) {
2844 if (unlikely(rA(ctx->opcode) == 0)) {
2845 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
2846 return;
2847 }
2848 }
2849 gen_set_access_type(ctx, ACCESS_INT);
2850 EA = tcg_temp_new();
2851 gen_addr_imm_index(ctx, EA, 0x03);
2852 gen_qemu_st64_i64(ctx, cpu_gpr[rs], EA);
2853 if (Rc(ctx->opcode))
2854 tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA);
2855 tcg_temp_free(EA);
2856 }
2857 }
2858 #endif
2859 /*** Integer load and store with byte reverse ***/
2860
2861 /* lhbrx */
2862 GEN_LDX(lhbr, ld16ur, 0x16, 0x18, PPC_INTEGER);
2863
2864 /* lwbrx */
2865 GEN_LDX(lwbr, ld32ur, 0x16, 0x10, PPC_INTEGER);
2866
2867 #if defined(TARGET_PPC64)
2868 /* ldbrx */
2869 GEN_LDX_E(ldbr, ld64ur_i64, 0x14, 0x10, PPC_NONE, PPC2_DBRX, CHK_NONE);
2870 /* stdbrx */
2871 GEN_STX_E(stdbr, st64r_i64, 0x14, 0x14, PPC_NONE, PPC2_DBRX, CHK_NONE);
2872 #endif /* TARGET_PPC64 */
2873
2874 /* sthbrx */
2875 GEN_STX(sthbr, st16r, 0x16, 0x1C, PPC_INTEGER);
2876 /* stwbrx */
2877 GEN_STX(stwbr, st32r, 0x16, 0x14, PPC_INTEGER);
2878
2879 /*** Integer load and store multiple ***/
2880
2881 /* lmw */
2882 static void gen_lmw(DisasContext *ctx)
2883 {
2884 TCGv t0;
2885 TCGv_i32 t1;
2886
2887 if (ctx->le_mode) {
2888 gen_align_no_le(ctx);
2889 return;
2890 }
2891 gen_set_access_type(ctx, ACCESS_INT);
2892 t0 = tcg_temp_new();
2893 t1 = tcg_const_i32(rD(ctx->opcode));
2894 gen_addr_imm_index(ctx, t0, 0);
2895 gen_helper_lmw(cpu_env, t0, t1);
2896 tcg_temp_free(t0);
2897 tcg_temp_free_i32(t1);
2898 }
2899
2900 /* stmw */
2901 static void gen_stmw(DisasContext *ctx)
2902 {
2903 TCGv t0;
2904 TCGv_i32 t1;
2905
2906 if (ctx->le_mode) {
2907 gen_align_no_le(ctx);
2908 return;
2909 }
2910 gen_set_access_type(ctx, ACCESS_INT);
2911 t0 = tcg_temp_new();
2912 t1 = tcg_const_i32(rS(ctx->opcode));
2913 gen_addr_imm_index(ctx, t0, 0);
2914 gen_helper_stmw(cpu_env, t0, t1);
2915 tcg_temp_free(t0);
2916 tcg_temp_free_i32(t1);
2917 }
2918
2919 /*** Integer load and store strings ***/
2920
2921 /* lswi */
2922 /* PowerPC32 specification says we must generate an exception if
2923 * rA is in the range of registers to be loaded.
2924 * In an other hand, IBM says this is valid, but rA won't be loaded.
2925 * For now, I'll follow the spec...
2926 */
2927 static void gen_lswi(DisasContext *ctx)
2928 {
2929 TCGv t0;
2930 TCGv_i32 t1, t2;
2931 int nb = NB(ctx->opcode);
2932 int start = rD(ctx->opcode);
2933 int ra = rA(ctx->opcode);
2934 int nr;
2935
2936 if (ctx->le_mode) {
2937 gen_align_no_le(ctx);
2938 return;
2939 }
2940 if (nb == 0)
2941 nb = 32;
2942 nr = DIV_ROUND_UP(nb, 4);
2943 if (unlikely(lsw_reg_in_range(start, nr, ra))) {
2944 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_LSWX);
2945 return;
2946 }
2947 gen_set_access_type(ctx, ACCESS_INT);
2948 t0 = tcg_temp_new();
2949 gen_addr_register(ctx, t0);
2950 t1 = tcg_const_i32(nb);
2951 t2 = tcg_const_i32(start);
2952 gen_helper_lsw(cpu_env, t0, t1, t2);
2953 tcg_temp_free(t0);
2954 tcg_temp_free_i32(t1);
2955 tcg_temp_free_i32(t2);
2956 }
2957
2958 /* lswx */
2959 static void gen_lswx(DisasContext *ctx)
2960 {
2961 TCGv t0;
2962 TCGv_i32 t1, t2, t3;
2963
2964 if (ctx->le_mode) {
2965 gen_align_no_le(ctx);
2966 return;
2967 }
2968 gen_set_access_type(ctx, ACCESS_INT);
2969 t0 = tcg_temp_new();
2970 gen_addr_reg_index(ctx, t0);
2971 t1 = tcg_const_i32(rD(ctx->opcode));
2972 t2 = tcg_const_i32(rA(ctx->opcode));
2973 t3 = tcg_const_i32(rB(ctx->opcode));
2974 gen_helper_lswx(cpu_env, t0, t1, t2, t3);
2975 tcg_temp_free(t0);
2976 tcg_temp_free_i32(t1);
2977 tcg_temp_free_i32(t2);
2978 tcg_temp_free_i32(t3);
2979 }
2980
2981 /* stswi */
2982 static void gen_stswi(DisasContext *ctx)
2983 {
2984 TCGv t0;
2985 TCGv_i32 t1, t2;
2986 int nb = NB(ctx->opcode);
2987
2988 if (ctx->le_mode) {
2989 gen_align_no_le(ctx);
2990 return;
2991 }
2992 gen_set_access_type(ctx, ACCESS_INT);
2993 t0 = tcg_temp_new();
2994 gen_addr_register(ctx, t0);
2995 if (nb == 0)
2996 nb = 32;
2997 t1 = tcg_const_i32(nb);
2998 t2 = tcg_const_i32(rS(ctx->opcode));
2999 gen_helper_stsw(cpu_env, t0, t1, t2);
3000 tcg_temp_free(t0);
3001 tcg_temp_free_i32(t1);
3002 tcg_temp_free_i32(t2);
3003 }
3004
3005 /* stswx */
3006 static void gen_stswx(DisasContext *ctx)
3007 {
3008 TCGv t0;
3009 TCGv_i32 t1, t2;
3010
3011 if (ctx->le_mode) {
3012 gen_align_no_le(ctx);
3013 return;
3014 }
3015 gen_set_access_type(ctx, ACCESS_INT);
3016 t0 = tcg_temp_new();
3017 gen_addr_reg_index(ctx, t0);
3018 t1 = tcg_temp_new_i32();
3019 tcg_gen_trunc_tl_i32(t1, cpu_xer);
3020 tcg_gen_andi_i32(t1, t1, 0x7F);
3021 t2 = tcg_const_i32(rS(ctx->opcode));
3022 gen_helper_stsw(cpu_env, t0, t1, t2);
3023 tcg_temp_free(t0);
3024 tcg_temp_free_i32(t1);
3025 tcg_temp_free_i32(t2);
3026 }
3027
3028 /*** Memory synchronisation ***/
3029 /* eieio */
3030 static void gen_eieio(DisasContext *ctx)
3031 {
3032 TCGBar bar = TCG_MO_LD_ST;
3033
3034 /*
3035 * POWER9 has a eieio instruction variant using bit 6 as a hint to
3036 * tell the CPU it is a store-forwarding barrier.
3037 */
3038 if (ctx->opcode & 0x2000000) {
3039 /*
3040 * ISA says that "Reserved fields in instructions are ignored
3041 * by the processor". So ignore the bit 6 on non-POWER9 CPU but
3042 * as this is not an instruction software should be using,
3043 * complain to the user.
3044 */
3045 if (!(ctx->insns_flags2 & PPC2_ISA300)) {
3046 qemu_log_mask(LOG_GUEST_ERROR, "invalid eieio using bit 6 at @"
3047 TARGET_FMT_lx "\n", ctx->base.pc_next - 4);
3048 } else {
3049 bar = TCG_MO_ST_LD;
3050 }
3051 }
3052
3053 tcg_gen_mb(bar | TCG_BAR_SC);
3054 }
3055
3056 #if !defined(CONFIG_USER_ONLY)
3057 static inline void gen_check_tlb_flush(DisasContext *ctx, bool global)
3058 {
3059 TCGv_i32 t;
3060 TCGLabel *l;
3061
3062 if (!ctx->lazy_tlb_flush) {
3063 return;
3064 }
3065 l = gen_new_label();
3066 t = tcg_temp_new_i32();
3067 tcg_gen_ld_i32(t, cpu_env, offsetof(CPUPPCState, tlb_need_flush));
3068 tcg_gen_brcondi_i32(TCG_COND_EQ, t, 0, l);
3069 if (global) {
3070 gen_helper_check_tlb_flush_global(cpu_env);
3071 } else {
3072 gen_helper_check_tlb_flush_local(cpu_env);
3073 }
3074 gen_set_label(l);
3075 tcg_temp_free_i32(t);
3076 }
3077 #else
3078 static inline void gen_check_tlb_flush(DisasContext *ctx, bool global) { }
3079 #endif
3080
3081 /* isync */
3082 static void gen_isync(DisasContext *ctx)
3083 {
3084 /*
3085 * We need to check for a pending TLB flush. This can only happen in
3086 * kernel mode however so check MSR_PR
3087 */
3088 if (!ctx->pr) {
3089 gen_check_tlb_flush(ctx, false);
3090 }
3091 tcg_gen_mb(TCG_MO_ALL | TCG_BAR_SC);
3092 gen_stop_exception(ctx);
3093 }
3094
3095 #define MEMOP_GET_SIZE(x) (1 << ((x) & MO_SIZE))
3096
3097 static void gen_load_locked(DisasContext *ctx, TCGMemOp memop)
3098 {
3099 TCGv gpr = cpu_gpr[rD(ctx->opcode)];
3100 TCGv t0 = tcg_temp_new();
3101
3102 gen_set_access_type(ctx, ACCESS_RES);
3103 gen_addr_reg_index(ctx, t0);
3104 tcg_gen_qemu_ld_tl(gpr, t0, ctx->mem_idx, memop | MO_ALIGN);
3105 tcg_gen_mov_tl(cpu_reserve, t0);
3106 tcg_gen_mov_tl(cpu_reserve_val, gpr);
3107 tcg_gen_mb(TCG_MO_ALL | TCG_BAR_LDAQ);
3108 tcg_temp_free(t0);
3109 }
3110
3111 #define LARX(name, memop) \
3112 static void gen_##name(DisasContext *ctx) \
3113 { \
3114 gen_load_locked(ctx, memop); \
3115 }
3116
3117 /* lwarx */
3118 LARX(lbarx, DEF_MEMOP(MO_UB))
3119 LARX(lharx, DEF_MEMOP(MO_UW))
3120 LARX(lwarx, DEF_MEMOP(MO_UL))
3121
3122 static void gen_fetch_inc_conditional(DisasContext *ctx, TCGMemOp memop,
3123 TCGv EA, TCGCond cond, int addend)
3124 {
3125 TCGv t = tcg_temp_new();
3126 TCGv t2 = tcg_temp_new();
3127 TCGv u = tcg_temp_new();
3128
3129 tcg_gen_qemu_ld_tl(t, EA, ctx->mem_idx, memop);
3130 tcg_gen_addi_tl(t2, EA, MEMOP_GET_SIZE(memop));
3131 tcg_gen_qemu_ld_tl(t2, t2, ctx->mem_idx, memop);
3132 tcg_gen_addi_tl(u, t, addend);
3133
3134 /* E.g. for fetch and increment bounded... */
3135 /* mem(EA,s) = (t != t2 ? u = t + 1 : t) */
3136 tcg_gen_movcond_tl(cond, u, t, t2, u, t);
3137 tcg_gen_qemu_st_tl(u, EA, ctx->mem_idx, memop);
3138
3139 /* RT = (t != t2 ? t : u = 1<<(s*8-1)) */
3140 tcg_gen_movi_tl(u, 1 << (MEMOP_GET_SIZE(memop) * 8 - 1));
3141 tcg_gen_movcond_tl(cond, cpu_gpr[rD(ctx->opcode)], t, t2, t, u);
3142
3143 tcg_temp_free(t);
3144 tcg_temp_free(t2);
3145 tcg_temp_free(u);
3146 }
3147
3148 static void gen_ld_atomic(DisasContext *ctx, TCGMemOp memop)
3149 {
3150 uint32_t gpr_FC = FC(ctx->opcode);
3151 TCGv EA = tcg_temp_new();
3152 int rt = rD(ctx->opcode);
3153 bool need_serial;
3154 TCGv src, dst;
3155
3156 gen_addr_register(ctx, EA);
3157 dst = cpu_gpr[rt];
3158 src = cpu_gpr[(rt + 1) & 31];
3159
3160 need_serial = false;
3161 memop |= MO_ALIGN;
3162 switch (gpr_FC) {
3163 case 0: /* Fetch and add */
3164 tcg_gen_atomic_fetch_add_tl(dst, EA, src, ctx->mem_idx, memop);
3165 break;
3166 case 1: /* Fetch and xor */
3167 tcg_gen_atomic_fetch_xor_tl(dst, EA, src, ctx->mem_idx, memop);
3168 break;
3169 case 2: /* Fetch and or */
3170 tcg_gen_atomic_fetch_or_tl(dst, EA, src, ctx->mem_idx, memop);
3171 break;
3172 case 3: /* Fetch and 'and' */
3173 tcg_gen_atomic_fetch_and_tl(dst, EA, src, ctx->mem_idx, memop);
3174 break;
3175 case 4: /* Fetch and max unsigned */
3176 tcg_gen_atomic_fetch_umax_tl(dst, EA, src, ctx->mem_idx, memop);
3177 break;
3178 case 5: /* Fetch and max signed */
3179 tcg_gen_atomic_fetch_smax_tl(dst, EA, src, ctx->mem_idx, memop);
3180 break;
3181 case 6: /* Fetch and min unsigned */
3182 tcg_gen_atomic_fetch_umin_tl(dst, EA, src, ctx->mem_idx, memop);
3183 break;
3184 case 7: /* Fetch and min signed */
3185 tcg_gen_atomic_fetch_smin_tl(dst, EA, src, ctx->mem_idx, memop);
3186 break;
3187 case 8: /* Swap */
3188 tcg_gen_atomic_xchg_tl(dst, EA, src, ctx->mem_idx, memop);
3189 break;
3190
3191 case 16: /* Compare and swap not equal */
3192 if (tb_cflags(ctx->base.tb) & CF_PARALLEL) {
3193 need_serial = true;
3194 } else {
3195 TCGv t0 = tcg_temp_new();
3196 TCGv t1 = tcg_temp_new();
3197
3198 tcg_gen_qemu_ld_tl(t0, EA, ctx->mem_idx, memop);
3199 if ((memop & MO_SIZE) == MO_64 || TARGET_LONG_BITS == 32) {
3200 tcg_gen_mov_tl(t1, src);
3201 } else {
3202 tcg_gen_ext32u_tl(t1, src);
3203 }
3204 tcg_gen_movcond_tl(TCG_COND_NE, t1, t0, t1,
3205 cpu_gpr[(rt + 2) & 31], t0);
3206 tcg_gen_qemu_st_tl(t1, EA, ctx->mem_idx, memop);
3207 tcg_gen_mov_tl(dst, t0);
3208
3209 tcg_temp_free(t0);
3210 tcg_temp_free(t1);
3211 }
3212 break;
3213
3214 case 24: /* Fetch and increment bounded */
3215 if (tb_cflags(ctx->base.tb) & CF_PARALLEL) {
3216 need_serial = true;
3217 } else {
3218 gen_fetch_inc_conditional(ctx, memop, EA, TCG_COND_NE, 1);
3219 }
3220 break;
3221 case 25: /* Fetch and increment equal */
3222 if (tb_cflags(ctx->base.tb) & CF_PARALLEL) {
3223 need_serial = true;
3224 } else {
3225 gen_fetch_inc_conditional(ctx, memop, EA, TCG_COND_EQ, 1);
3226 }
3227 break;
3228 case 28: /* Fetch and decrement bounded */
3229 if (tb_cflags(ctx->base.tb) & CF_PARALLEL) {
3230 need_serial = true;
3231 } else {
3232 gen_fetch_inc_conditional(ctx, memop, EA, TCG_COND_NE, -1);
3233 }
3234 break;
3235
3236 default:
3237 /* invoke data storage error handler */
3238 gen_exception_err(ctx, POWERPC_EXCP_DSI, POWERPC_EXCP_INVAL);
3239 }
3240 tcg_temp_free(EA);
3241
3242 if (need_serial) {
3243 /* Restart with exclusive lock. */
3244 gen_helper_exit_atomic(cpu_env);
3245 ctx->base.is_jmp = DISAS_NORETURN;
3246 }
3247 }
3248
3249 static void gen_lwat(DisasContext *ctx)
3250 {
3251 gen_ld_atomic(ctx, DEF_MEMOP(MO_UL));
3252 }
3253
3254 #ifdef TARGET_PPC64
3255 static void gen_ldat(DisasContext *ctx)
3256 {
3257 gen_ld_atomic(ctx, DEF_MEMOP(MO_Q));
3258 }
3259 #endif
3260
3261 static void gen_st_atomic(DisasContext *ctx, TCGMemOp memop)
3262 {
3263 uint32_t gpr_FC = FC(ctx->opcode);
3264 TCGv EA = tcg_temp_new();
3265 TCGv src, discard;
3266
3267 gen_addr_register(ctx, EA);
3268 src = cpu_gpr[rD(ctx->opcode)];
3269 discard = tcg_temp_new();
3270
3271 memop |= MO_ALIGN;
3272 switch (gpr_FC) {
3273 case 0: /* add and Store */
3274 tcg_gen_atomic_add_fetch_tl(discard, EA, src, ctx->mem_idx, memop);
3275 break;
3276 case 1: /* xor and Store */
3277 tcg_gen_atomic_xor_fetch_tl(discard, EA, src, ctx->mem_idx, memop);
3278 break;
3279 case 2: /* Or and Store */
3280 tcg_gen_atomic_or_fetch_tl(discard, EA, src, ctx->mem_idx, memop);
3281 break;
3282 case 3: /* 'and' and Store */
3283 tcg_gen_atomic_and_fetch_tl(discard, EA, src, ctx->mem_idx, memop);
3284 break;
3285 case 4: /* Store max unsigned */
3286 tcg_gen_atomic_umax_fetch_tl(discard, EA, src, ctx->mem_idx, memop);
3287 break;
3288 case 5: /* Store max signed */
3289 tcg_gen_atomic_smax_fetch_tl(discard, EA, src, ctx->mem_idx, memop);
3290 break;
3291 case 6: /* Store min unsigned */
3292 tcg_gen_atomic_umin_fetch_tl(discard, EA, src, ctx->mem_idx, memop);
3293 break;
3294 case 7: /* Store min signed */
3295 tcg_gen_atomic_smin_fetch_tl(discard, EA, src, ctx->mem_idx, memop);
3296 break;
3297 case 24: /* Store twin */
3298 if (tb_cflags(ctx->base.tb) & CF_PARALLEL) {
3299 /* Restart with exclusive lock. */
3300 gen_helper_exit_atomic(cpu_env);
3301 ctx->base.is_jmp = DISAS_NORETURN;
3302 } else {
3303 TCGv t = tcg_temp_new();
3304 TCGv t2 = tcg_temp_new();
3305 TCGv s = tcg_temp_new();
3306 TCGv s2 = tcg_temp_new();
3307 TCGv ea_plus_s = tcg_temp_new();
3308
3309 tcg_gen_qemu_ld_tl(t, EA, ctx->mem_idx, memop);
3310 tcg_gen_addi_tl(ea_plus_s, EA, MEMOP_GET_SIZE(memop));
3311 tcg_gen_qemu_ld_tl(t2, ea_plus_s, ctx->mem_idx, memop);
3312 tcg_gen_movcond_tl(TCG_COND_EQ, s, t, t2, src, t);
3313 tcg_gen_movcond_tl(TCG_COND_EQ, s2, t, t2, src, t2);
3314 tcg_gen_qemu_st_tl(s, EA, ctx->mem_idx, memop);
3315 tcg_gen_qemu_st_tl(s2, ea_plus_s, ctx->mem_idx, memop);
3316
3317 tcg_temp_free(ea_plus_s);
3318 tcg_temp_free(s2);
3319 tcg_temp_free(s);
3320 tcg_temp_free(t2);
3321 tcg_temp_free(t);
3322 }
3323 break;
3324 default:
3325 /* invoke data storage error handler */
3326 gen_exception_err(ctx, POWERPC_EXCP_DSI, POWERPC_EXCP_INVAL);
3327 }
3328 tcg_temp_free(discard);
3329 tcg_temp_free(EA);
3330 }
3331
3332 static void gen_stwat(DisasContext *ctx)
3333 {
3334 gen_st_atomic(ctx, DEF_MEMOP(MO_UL));
3335 }
3336
3337 #ifdef TARGET_PPC64
3338 static void gen_stdat(DisasContext *ctx)
3339 {
3340 gen_st_atomic(ctx, DEF_MEMOP(MO_Q));
3341 }
3342 #endif
3343
3344 static void gen_conditional_store(DisasContext *ctx, TCGMemOp memop)
3345 {
3346 TCGLabel *l1 = gen_new_label();
3347 TCGLabel *l2 = gen_new_label();
3348 TCGv t0 = tcg_temp_new();
3349 int reg = rS(ctx->opcode);
3350
3351 gen_set_access_type(ctx, ACCESS_RES);
3352 gen_addr_reg_index(ctx, t0);
3353 tcg_gen_brcond_tl(TCG_COND_NE, t0, cpu_reserve, l1);
3354 tcg_temp_free(t0);
3355
3356 t0 = tcg_temp_new();
3357 tcg_gen_atomic_cmpxchg_tl(t0, cpu_reserve, cpu_reserve_val,
3358 cpu_gpr[reg], ctx->mem_idx,
3359 DEF_MEMOP(memop) | MO_ALIGN);
3360 tcg_gen_setcond_tl(TCG_COND_EQ, t0, t0, cpu_reserve_val);
3361 tcg_gen_shli_tl(t0, t0, CRF_EQ_BIT);
3362 tcg_gen_or_tl(t0, t0, cpu_so);
3363 tcg_gen_trunc_tl_i32(cpu_crf[0], t0);
3364 tcg_temp_free(t0);
3365 tcg_gen_br(l2);
3366
3367 gen_set_label(l1);
3368
3369 /* Address mismatch implies failure. But we still need to provide the
3370 memory barrier semantics of the instruction. */
3371 tcg_gen_mb(TCG_MO_ALL | TCG_BAR_STRL);
3372 tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so);
3373
3374 gen_set_label(l2);
3375 tcg_gen_movi_tl(cpu_reserve, -1);
3376 }
3377
3378 #define STCX(name, memop) \
3379 static void gen_##name(DisasContext *ctx) \
3380 { \
3381 gen_conditional_store(ctx, memop); \
3382 }
3383
3384 STCX(stbcx_, DEF_MEMOP(MO_UB))
3385 STCX(sthcx_, DEF_MEMOP(MO_UW))
3386 STCX(stwcx_, DEF_MEMOP(MO_UL))
3387
3388 #if defined(TARGET_PPC64)
3389 /* ldarx */
3390 LARX(ldarx, DEF_MEMOP(MO_Q))
3391 /* stdcx. */
3392 STCX(stdcx_, DEF_MEMOP(MO_Q))
3393
3394 /* lqarx */
3395 static void gen_lqarx(DisasContext *ctx)
3396 {
3397 int rd = rD(ctx->opcode);
3398 TCGv EA, hi, lo;
3399
3400 if (unlikely((rd & 1) || (rd == rA(ctx->opcode)) ||
3401 (rd == rB(ctx->opcode)))) {
3402 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
3403 return;
3404 }
3405
3406 gen_set_access_type(ctx, ACCESS_RES);
3407 EA = tcg_temp_new();
3408 gen_addr_reg_index(ctx, EA);
3409
3410 /* Note that the low part is always in RD+1, even in LE mode. */
3411 lo = cpu_gpr[rd + 1];
3412 hi = cpu_gpr[rd];
3413
3414 if (tb_cflags(ctx->base.tb) & CF_PARALLEL) {
3415 if (HAVE_ATOMIC128) {
3416 TCGv_i32 oi = tcg_temp_new_i32();
3417 if (ctx->le_mode) {
3418 tcg_gen_movi_i32(oi, make_memop_idx(MO_LEQ | MO_ALIGN_16,
3419 ctx->mem_idx));
3420 gen_helper_lq_le_parallel(lo, cpu_env, EA, oi);
3421 } else {
3422 tcg_gen_movi_i32(oi, make_memop_idx(MO_BEQ | MO_ALIGN_16,
3423 ctx->mem_idx));
3424 gen_helper_lq_be_parallel(lo, cpu_env, EA, oi);
3425 }
3426 tcg_temp_free_i32(oi);
3427 tcg_gen_ld_i64(hi, cpu_env, offsetof(CPUPPCState, retxh));
3428 } else {
3429 /* Restart with exclusive lock. */
3430 gen_helper_exit_atomic(cpu_env);
3431 ctx->base.is_jmp = DISAS_NORETURN;
3432 tcg_temp_free(EA);
3433 return;
3434 }
3435 } else if (ctx->le_mode) {
3436 tcg_gen_qemu_ld_i64(lo, EA, ctx->mem_idx, MO_LEQ | MO_ALIGN_16);
3437 tcg_gen_mov_tl(cpu_reserve, EA);
3438 gen_addr_add(ctx, EA, EA, 8);
3439 tcg_gen_qemu_ld_i64(hi, EA, ctx->mem_idx, MO_LEQ);
3440 } else {
3441 tcg_gen_qemu_ld_i64(hi, EA, ctx->mem_idx, MO_BEQ | MO_ALIGN_16);
3442 tcg_gen_mov_tl(cpu_reserve, EA);
3443 gen_addr_add(ctx, EA, EA, 8);
3444 tcg_gen_qemu_ld_i64(lo, EA, ctx->mem_idx, MO_BEQ);
3445 }
3446 tcg_temp_free(EA);
3447
3448 tcg_gen_st_tl(hi, cpu_env, offsetof(CPUPPCState, reserve_val));
3449 tcg_gen_st_tl(lo, cpu_env, offsetof(CPUPPCState, reserve_val2));
3450 }
3451
3452 /* stqcx. */
3453 static void gen_stqcx_(DisasContext *ctx)
3454 {
3455 int rs = rS(ctx->opcode);
3456 TCGv EA, hi, lo;
3457
3458 if (unlikely(rs & 1)) {
3459 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
3460 return;
3461 }
3462
3463 gen_set_access_type(ctx, ACCESS_RES);
3464 EA = tcg_temp_new();
3465 gen_addr_reg_index(ctx, EA);
3466
3467 /* Note that the low part is always in RS+1, even in LE mode. */
3468 lo = cpu_gpr[rs + 1];
3469 hi = cpu_gpr[rs];
3470
3471 if (tb_cflags(ctx->base.tb) & CF_PARALLEL) {
3472 if (HAVE_CMPXCHG128) {
3473 TCGv_i32 oi = tcg_const_i32(DEF_MEMOP(MO_Q) | MO_ALIGN_16);
3474 if (ctx->le_mode) {
3475 gen_helper_stqcx_le_parallel(cpu_crf[0], cpu_env,
3476 EA, lo, hi, oi);
3477 } else {
3478 gen_helper_stqcx_be_parallel(cpu_crf[0], cpu_env,
3479 EA, lo, hi, oi);
3480 }
3481 tcg_temp_free_i32(oi);
3482 } else {
3483 /* Restart with exclusive lock. */
3484 gen_helper_exit_atomic(cpu_env);
3485 ctx->base.is_jmp = DISAS_NORETURN;
3486 }
3487 tcg_temp_free(EA);
3488 } else {
3489 TCGLabel *lab_fail = gen_new_label();
3490 TCGLabel *lab_over = gen_new_label();
3491 TCGv_i64 t0 = tcg_temp_new_i64();
3492 TCGv_i64 t1 = tcg_temp_new_i64();
3493
3494 tcg_gen_brcond_tl(TCG_COND_NE, EA, cpu_reserve, lab_fail);
3495 tcg_temp_free(EA);
3496
3497 gen_qemu_ld64_i64(ctx, t0, cpu_reserve);
3498 tcg_gen_ld_i64(t1, cpu_env, (ctx->le_mode
3499 ? offsetof(CPUPPCState, reserve_val2)
3500 : offsetof(CPUPPCState, reserve_val)));
3501 tcg_gen_brcond_i64(TCG_COND_NE, t0, t1, lab_fail);
3502
3503 tcg_gen_addi_i64(t0, cpu_reserve, 8);
3504 gen_qemu_ld64_i64(ctx, t0, t0);
3505 tcg_gen_ld_i64(t1, cpu_env, (ctx->le_mode
3506 ? offsetof(CPUPPCState, reserve_val)
3507 : offsetof(CPUPPCState, reserve_val2)));
3508 tcg_gen_brcond_i64(TCG_COND_NE, t0, t1, lab_fail);
3509
3510 /* Success */
3511 gen_qemu_st64_i64(ctx, ctx->le_mode ? lo : hi, cpu_reserve);
3512 tcg_gen_addi_i64(t0, cpu_reserve, 8);
3513 gen_qemu_st64_i64(ctx, ctx->le_mode ? hi : lo, t0);
3514
3515 tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so);
3516 tcg_gen_ori_i32(cpu_crf[0], cpu_crf[0], CRF_EQ);
3517 tcg_gen_br(lab_over);
3518
3519 gen_set_label(lab_fail);
3520 tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so);
3521
3522 gen_set_label(lab_over);
3523 tcg_gen_movi_tl(cpu_reserve, -1);
3524 tcg_temp_free_i64(t0);
3525 tcg_temp_free_i64(t1);
3526 }
3527 }
3528 #endif /* defined(TARGET_PPC64) */
3529
3530 /* sync */
3531 static void gen_sync(DisasContext *ctx)
3532 {
3533 uint32_t l = (ctx->opcode >> 21) & 3;
3534
3535 /*
3536 * We may need to check for a pending TLB flush.
3537 *
3538 * We do this on ptesync (l == 2) on ppc64 and any sync pn ppc32.
3539 *
3540 * Additionally, this can only happen in kernel mode however so
3541 * check MSR_PR as well.
3542 */
3543 if (((l == 2) || !(ctx->insns_flags & PPC_64B)) && !ctx->pr) {
3544 gen_check_tlb_flush(ctx, true);
3545 }
3546 tcg_gen_mb(TCG_MO_ALL | TCG_BAR_SC);
3547 }
3548
3549 /* wait */
3550 static void gen_wait(DisasContext *ctx)
3551 {
3552 TCGv_i32 t0 = tcg_const_i32(1);
3553 tcg_gen_st_i32(t0, cpu_env,
3554 -offsetof(PowerPCCPU, env) + offsetof(CPUState, halted));
3555 tcg_temp_free_i32(t0);
3556 /* Stop translation, as the CPU is supposed to sleep from now */
3557 gen_exception_nip(ctx, EXCP_HLT, ctx->base.pc_next);
3558 }
3559
3560 #if defined(TARGET_PPC64)
3561 static void gen_doze(DisasContext *ctx)
3562 {
3563 #if defined(CONFIG_USER_ONLY)
3564 GEN_PRIV;
3565 #else
3566 TCGv_i32 t;
3567
3568 CHK_HV;
3569 t = tcg_const_i32(PPC_PM_DOZE);
3570 gen_helper_pminsn(cpu_env, t);
3571 tcg_temp_free_i32(t);
3572 gen_stop_exception(ctx);
3573 #endif /* defined(CONFIG_USER_ONLY) */
3574 }
3575
3576 static void gen_nap(DisasContext *ctx)
3577 {
3578 #if defined(CONFIG_USER_ONLY)
3579 GEN_PRIV;
3580 #else
3581 TCGv_i32 t;
3582
3583 CHK_HV;
3584 t = tcg_const_i32(PPC_PM_NAP);
3585 gen_helper_pminsn(cpu_env, t);
3586 tcg_temp_free_i32(t);
3587 gen_stop_exception(ctx);
3588 #endif /* defined(CONFIG_USER_ONLY) */
3589 }
3590
3591 static void gen_stop(DisasContext *ctx)
3592 {
3593 gen_nap(ctx);
3594 }
3595
3596 static void gen_sleep(DisasContext *ctx)
3597 {
3598 #if defined(CONFIG_USER_ONLY)
3599 GEN_PRIV;
3600 #else
3601 TCGv_i32 t;
3602
3603 CHK_HV;
3604 t = tcg_const_i32(PPC_PM_SLEEP);
3605 gen_helper_pminsn(cpu_env, t);
3606 tcg_temp_free_i32(t);
3607 gen_stop_exception(ctx);
3608 #endif /* defined(CONFIG_USER_ONLY) */
3609 }
3610
3611 static void gen_rvwinkle(DisasContext *ctx)
3612 {
3613 #if defined(CONFIG_USER_ONLY)
3614 GEN_PRIV;
3615 #else
3616 TCGv_i32 t;
3617
3618 CHK_HV;
3619 t = tcg_const_i32(PPC_PM_RVWINKLE);
3620 gen_helper_pminsn(cpu_env, t);
3621 tcg_temp_free_i32(t);
3622 gen_stop_exception(ctx);
3623 #endif /* defined(CONFIG_USER_ONLY) */
3624 }
3625 #endif /* #if defined(TARGET_PPC64) */
3626
3627 static inline void gen_update_cfar(DisasContext *ctx, target_ulong nip)
3628 {
3629 #if defined(TARGET_PPC64)
3630 if (ctx->has_cfar)
3631 tcg_gen_movi_tl(cpu_cfar, nip);
3632 #endif
3633 }
3634
3635 static inline bool use_goto_tb(DisasContext *ctx, target_ulong dest)
3636 {
3637 if (unlikely(ctx->singlestep_enabled)) {
3638 return false;
3639 }
3640
3641 #ifndef CONFIG_USER_ONLY
3642 return (ctx->base.tb->pc & TARGET_PAGE_MASK) == (dest & TARGET_PAGE_MASK);
3643 #else
3644 return true;
3645 #endif
3646 }
3647
3648 static void gen_lookup_and_goto_ptr(DisasContext *ctx)
3649 {
3650 int sse = ctx->singlestep_enabled;
3651 if (unlikely(sse)) {
3652 if (sse & GDBSTUB_SINGLE_STEP) {
3653 gen_debug_exception(ctx);
3654 } else if (sse & (CPU_SINGLE_STEP | CPU_BRANCH_STEP)) {
3655 uint32_t excp = gen_prep_dbgex(ctx, POWERPC_EXCP_BRANCH);
3656 if (excp != POWERPC_EXCP_NONE) {
3657 gen_exception(ctx, excp);
3658 }
3659 }
3660 tcg_gen_exit_tb(NULL, 0);
3661 } else {
3662 tcg_gen_lookup_and_goto_ptr();
3663 }
3664 }
3665
3666 /*** Branch ***/
3667 static void gen_goto_tb(DisasContext *ctx, int n, target_ulong dest)
3668 {
3669 if (NARROW_MODE(ctx)) {
3670 dest = (uint32_t) dest;
3671 }
3672 if (use_goto_tb(ctx, dest)) {
3673 tcg_gen_goto_tb(n);
3674 tcg_gen_movi_tl(cpu_nip, dest & ~3);
3675 tcg_gen_exit_tb(ctx->base.tb, n);
3676 } else {
3677 tcg_gen_movi_tl(cpu_nip, dest & ~3);
3678 gen_lookup_and_goto_ptr(ctx);
3679 }
3680 }
3681
3682 static inline void gen_setlr(DisasContext *ctx, target_ulong nip)
3683 {
3684 if (NARROW_MODE(ctx)) {
3685 nip = (uint32_t)nip;
3686 }
3687 tcg_gen_movi_tl(cpu_lr, nip);
3688 }
3689
3690 /* b ba bl bla */
3691 static void gen_b(DisasContext *ctx)
3692 {
3693 target_ulong li, target;
3694
3695 ctx->exception = POWERPC_EXCP_BRANCH;
3696 /* sign extend LI */
3697 li = LI(ctx->opcode);
3698 li = (li ^ 0x02000000) - 0x02000000;
3699 if (likely(AA(ctx->opcode) == 0)) {
3700 target = ctx->base.pc_next + li - 4;
3701 } else {
3702 target = li;
3703 }
3704 if (LK(ctx->opcode)) {
3705 gen_setlr(ctx, ctx->base.pc_next);
3706 }
3707 gen_update_cfar(ctx, ctx->base.pc_next - 4);
3708 gen_goto_tb(ctx, 0, target);
3709 }
3710
3711 #define BCOND_IM 0
3712 #define BCOND_LR 1
3713 #define BCOND_CTR 2
3714 #define BCOND_TAR 3
3715
3716 static void gen_bcond(DisasContext *ctx, int type)
3717 {
3718 uint32_t bo = BO(ctx->opcode);
3719 TCGLabel *l1;
3720 TCGv target;
3721 ctx->exception = POWERPC_EXCP_BRANCH;
3722
3723 if (type == BCOND_LR || type == BCOND_CTR || type == BCOND_TAR) {
3724 target = tcg_temp_local_new();
3725 if (type == BCOND_CTR)
3726 tcg_gen_mov_tl(target, cpu_ctr);
3727 else if (type == BCOND_TAR)
3728 gen_load_spr(target, SPR_TAR);
3729 else
3730 tcg_gen_mov_tl(target, cpu_lr);
3731 } else {
3732 target = NULL;
3733 }
3734 if (LK(ctx->opcode))
3735 gen_setlr(ctx, ctx->base.pc_next);
3736 l1 = gen_new_label();
3737 if ((bo & 0x4) == 0) {
3738 /* Decrement and test CTR */
3739 TCGv temp = tcg_temp_new();
3740 if (unlikely(type == BCOND_CTR)) {
3741 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
3742 return;
3743 }
3744 tcg_gen_subi_tl(cpu_ctr, cpu_ctr, 1);
3745 if (NARROW_MODE(ctx)) {
3746 tcg_gen_ext32u_tl(temp, cpu_ctr);
3747 } else {
3748 tcg_gen_mov_tl(temp, cpu_ctr);
3749 }
3750 if (bo & 0x2) {
3751 tcg_gen_brcondi_tl(TCG_COND_NE, temp, 0, l1);
3752 } else {
3753 tcg_gen_brcondi_tl(TCG_COND_EQ, temp, 0, l1);
3754 }
3755 tcg_temp_free(temp);
3756 }
3757 if ((bo & 0x10) == 0) {
3758 /* Test CR */
3759 uint32_t bi = BI(ctx->opcode);
3760 uint32_t mask = 0x08 >> (bi & 0x03);
3761 TCGv_i32 temp = tcg_temp_new_i32();
3762
3763 if (bo & 0x8) {
3764 tcg_gen_andi_i32(temp, cpu_crf[bi >> 2], mask);
3765 tcg_gen_brcondi_i32(TCG_COND_EQ, temp, 0, l1);
3766 } else {
3767 tcg_gen_andi_i32(temp, cpu_crf[bi >> 2], mask);
3768 tcg_gen_brcondi_i32(TCG_COND_NE, temp, 0, l1);
3769 }
3770 tcg_temp_free_i32(temp);
3771 }
3772 gen_update_cfar(ctx, ctx->base.pc_next - 4);
3773 if (type == BCOND_IM) {
3774 target_ulong li = (target_long)((int16_t)(BD(ctx->opcode)));
3775 if (likely(AA(ctx->opcode) == 0)) {
3776 gen_goto_tb(ctx, 0, ctx->base.pc_next + li - 4);
3777 } else {
3778 gen_goto_tb(ctx, 0, li);
3779 }
3780 } else {
3781 if (NARROW_MODE(ctx)) {
3782 tcg_gen_andi_tl(cpu_nip, target, (uint32_t)~3);
3783 } else {
3784 tcg_gen_andi_tl(cpu_nip, target, ~3);
3785 }
3786 gen_lookup_and_goto_ptr(ctx);
3787 tcg_temp_free(target);
3788 }
3789 if ((bo & 0x14) != 0x14) {
3790 /* fallthrough case */
3791 gen_set_label(l1);
3792 gen_goto_tb(ctx, 1, ctx->base.pc_next);
3793 }
3794 }
3795
3796 static void gen_bc(DisasContext *ctx)
3797 {
3798 gen_bcond(ctx, BCOND_IM);
3799 }
3800
3801 static void gen_bcctr(DisasContext *ctx)
3802 {
3803 gen_bcond(ctx, BCOND_CTR);
3804 }
3805
3806 static void gen_bclr(DisasContext *ctx)
3807 {
3808 gen_bcond(ctx, BCOND_LR);
3809 }
3810
3811 static void gen_bctar(DisasContext *ctx)
3812 {
3813 gen_bcond(ctx, BCOND_TAR);
3814 }
3815
3816 /*** Condition register logical ***/
3817 #define GEN_CRLOGIC(name, tcg_op, opc) \
3818 static void glue(gen_, name)(DisasContext *ctx) \
3819 { \
3820 uint8_t bitmask; \
3821 int sh; \
3822 TCGv_i32 t0, t1; \
3823 sh = (crbD(ctx->opcode) & 0x03) - (crbA(ctx->opcode) & 0x03); \
3824 t0 = tcg_temp_new_i32(); \
3825 if (sh > 0) \
3826 tcg_gen_shri_i32(t0, cpu_crf[crbA(ctx->opcode) >> 2], sh); \
3827 else if (sh < 0) \
3828 tcg_gen_shli_i32(t0, cpu_crf[crbA(ctx->opcode) >> 2], -sh); \
3829 else \
3830 tcg_gen_mov_i32(t0, cpu_crf[crbA(ctx->opcode) >> 2]); \
3831 t1 = tcg_temp_new_i32(); \
3832 sh = (crbD(ctx->opcode) & 0x03) - (crbB(ctx->opcode) & 0x03); \
3833 if (sh > 0) \
3834 tcg_gen_shri_i32(t1, cpu_crf[crbB(ctx->opcode) >> 2], sh); \
3835 else if (sh < 0) \
3836 tcg_gen_shli_i32(t1, cpu_crf[crbB(ctx->opcode) >> 2], -sh); \
3837 else \
3838 tcg_gen_mov_i32(t1, cpu_crf[crbB(ctx->opcode) >> 2]); \
3839 tcg_op(t0, t0, t1); \
3840 bitmask = 0x08 >> (crbD(ctx->opcode) & 0x03); \
3841 tcg_gen_andi_i32(t0, t0, bitmask); \
3842 tcg_gen_andi_i32(t1, cpu_crf[crbD(ctx->opcode) >> 2], ~bitmask); \
3843 tcg_gen_or_i32(cpu_crf[crbD(ctx->opcode) >> 2], t0, t1); \
3844 tcg_temp_free_i32(t0); \
3845 tcg_temp_free_i32(t1); \
3846 }
3847
3848 /* crand */
3849 GEN_CRLOGIC(crand, tcg_gen_and_i32, 0x08);
3850 /* crandc */
3851 GEN_CRLOGIC(crandc, tcg_gen_andc_i32, 0x04);
3852 /* creqv */
3853 GEN_CRLOGIC(creqv, tcg_gen_eqv_i32, 0x09);
3854 /* crnand */
3855 GEN_CRLOGIC(crnand, tcg_gen_nand_i32, 0x07);
3856 /* crnor */
3857 GEN_CRLOGIC(crnor, tcg_gen_nor_i32, 0x01);
3858 /* cror */
3859 GEN_CRLOGIC(cror, tcg_gen_or_i32, 0x0E);
3860 /* crorc */
3861 GEN_CRLOGIC(crorc, tcg_gen_orc_i32, 0x0D);
3862 /* crxor */
3863 GEN_CRLOGIC(crxor, tcg_gen_xor_i32, 0x06);
3864
3865 /* mcrf */
3866 static void gen_mcrf(DisasContext *ctx)
3867 {
3868 tcg_gen_mov_i32(cpu_crf[crfD(ctx->opcode)], cpu_crf[crfS(ctx->opcode)]);
3869 }
3870
3871 /*** System linkage ***/
3872
3873 /* rfi (supervisor only) */
3874 static void gen_rfi(DisasContext *ctx)
3875 {
3876 #if defined(CONFIG_USER_ONLY)
3877 GEN_PRIV;
3878 #else
3879 /* This instruction doesn't exist anymore on 64-bit server
3880 * processors compliant with arch 2.x
3881 */
3882 if (ctx->insns_flags & PPC_SEGMENT_64B) {
3883 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
3884 return;
3885 }
3886 /* Restore CPU state */
3887 CHK_SV;
3888 if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) {
3889 gen_io_start();
3890 }
3891 gen_update_cfar(ctx, ctx->base.pc_next - 4);
3892 gen_helper_rfi(cpu_env);
3893 gen_sync_exception(ctx);
3894 if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) {
3895 gen_io_end();
3896 }
3897 #endif
3898 }
3899
3900 #if defined(TARGET_PPC64)
3901 static void gen_rfid(DisasContext *ctx)
3902 {
3903 #if defined(CONFIG_USER_ONLY)
3904 GEN_PRIV;
3905 #else
3906 /* Restore CPU state */
3907 CHK_SV;
3908 if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) {
3909 gen_io_start();
3910 }
3911 gen_update_cfar(ctx, ctx->base.pc_next - 4);
3912 gen_helper_rfid(cpu_env);
3913 gen_sync_exception(ctx);
3914 if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) {
3915 gen_io_end();
3916 }
3917 #endif
3918 }
3919
3920 static void gen_hrfid(DisasContext *ctx)
3921 {
3922 #if defined(CONFIG_USER_ONLY)
3923 GEN_PRIV;
3924 #else
3925 /* Restore CPU state */
3926 CHK_HV;
3927 gen_helper_hrfid(cpu_env);
3928 gen_sync_exception(ctx);
3929 #endif
3930 }
3931 #endif
3932
3933 /* sc */
3934 #if defined(CONFIG_USER_ONLY)
3935 #define POWERPC_SYSCALL POWERPC_EXCP_SYSCALL_USER
3936 #else
3937 #define POWERPC_SYSCALL POWERPC_EXCP_SYSCALL
3938 #endif
3939 static void gen_sc(DisasContext *ctx)
3940 {
3941 uint32_t lev;
3942
3943 lev = (ctx->opcode >> 5) & 0x7F;
3944 gen_exception_err(ctx, POWERPC_SYSCALL, lev);
3945 }
3946
3947 /*** Trap ***/
3948
3949 /* Check for unconditional traps (always or never) */
3950 static bool check_unconditional_trap(DisasContext *ctx)
3951 {
3952 /* Trap never */
3953 if (TO(ctx->opcode) == 0) {
3954 return true;
3955 }
3956 /* Trap always */
3957 if (TO(ctx->opcode) == 31) {
3958 gen_exception_err(ctx, POWERPC_EXCP_PROGRAM, POWERPC_EXCP_TRAP);
3959 return true;
3960 }
3961 return false;
3962 }
3963
3964 /* tw */
3965 static void gen_tw(DisasContext *ctx)
3966 {
3967 TCGv_i32 t0;
3968
3969 if (check_unconditional_trap(ctx)) {
3970 return;
3971 }
3972 t0 = tcg_const_i32(TO(ctx->opcode));
3973 gen_helper_tw(cpu_env, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],
3974 t0);
3975 tcg_temp_free_i32(t0);
3976 }
3977
3978 /* twi */
3979 static void gen_twi(DisasContext *ctx)
3980 {
3981 TCGv t0;
3982 TCGv_i32 t1;
3983
3984 if (check_unconditional_trap(ctx)) {
3985 return;
3986 }
3987 t0 = tcg_const_tl(SIMM(ctx->opcode));
3988 t1 = tcg_const_i32(TO(ctx->opcode));
3989 gen_helper_tw(cpu_env, cpu_gpr[rA(ctx->opcode)], t0, t1);
3990 tcg_temp_free(t0);
3991 tcg_temp_free_i32(t1);
3992 }
3993
3994 #if defined(TARGET_PPC64)
3995 /* td */
3996 static void gen_td(DisasContext *ctx)
3997 {
3998 TCGv_i32 t0;
3999
4000 if (check_unconditional_trap(ctx)) {
4001 return;
4002 }
4003 t0 = tcg_const_i32(TO(ctx->opcode));
4004 gen_helper_td(cpu_env, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],
4005 t0);
4006 tcg_temp_free_i32(t0);
4007 }
4008
4009 /* tdi */
4010 static void gen_tdi(DisasContext *ctx)
4011 {
4012 TCGv t0;
4013 TCGv_i32 t1;
4014
4015 if (check_unconditional_trap(ctx)) {
4016 return;
4017 }
4018 t0 = tcg_const_tl(SIMM(ctx->opcode));
4019 t1 = tcg_const_i32(TO(ctx->opcode));
4020 gen_helper_td(cpu_env, cpu_gpr[rA(ctx->opcode)], t0, t1);
4021 tcg_temp_free(t0);
4022 tcg_temp_free_i32(t1);
4023 }
4024 #endif
4025
4026 /*** Processor control ***/
4027
4028 static void gen_read_xer(DisasContext *ctx, TCGv dst)
4029 {
4030 TCGv t0 = tcg_temp_new();
4031 TCGv t1 = tcg_temp_new();
4032 TCGv t2 = tcg_temp_new();
4033 tcg_gen_mov_tl(dst, cpu_xer);
4034 tcg_gen_shli_tl(t0, cpu_so, XER_SO);
4035 tcg_gen_shli_tl(t1, cpu_ov, XER_OV);
4036 tcg_gen_shli_tl(t2, cpu_ca, XER_CA);
4037 tcg_gen_or_tl(t0, t0, t1);
4038 tcg_gen_or_tl(dst, dst, t2);
4039 tcg_gen_or_tl(dst, dst, t0);
4040 if (is_isa300(ctx)) {
4041 tcg_gen_shli_tl(t0, cpu_ov32, XER_OV32);
4042 tcg_gen_or_tl(dst, dst, t0);
4043 tcg_gen_shli_tl(t0, cpu_ca32, XER_CA32);
4044 tcg_gen_or_tl(dst, dst, t0);
4045 }
4046 tcg_temp_free(t0);
4047 tcg_temp_free(t1);
4048 tcg_temp_free(t2);
4049 }
4050
4051 static void gen_write_xer(TCGv src)
4052 {
4053 /* Write all flags, while reading back check for isa300 */
4054 tcg_gen_andi_tl(cpu_xer, src,
4055 ~((1u << XER_SO) |
4056 (1u << XER_OV) | (1u << XER_OV32) |
4057 (1u << XER_CA) | (1u << XER_CA32)));
4058 tcg_gen_extract_tl(cpu_ov32, src, XER_OV32, 1);
4059 tcg_gen_extract_tl(cpu_ca32, src, XER_CA32, 1);
4060 tcg_gen_extract_tl(cpu_so, src, XER_SO, 1);
4061 tcg_gen_extract_tl(cpu_ov, src, XER_OV, 1);
4062 tcg_gen_extract_tl(cpu_ca, src, XER_CA, 1);
4063 }
4064
4065 /* mcrxr */
4066 static void gen_mcrxr(DisasContext *ctx)
4067 {
4068 TCGv_i32 t0 = tcg_temp_new_i32();
4069 TCGv_i32 t1 = tcg_temp_new_i32();
4070 TCGv_i32 dst = cpu_crf[crfD(ctx->opcode)];
4071
4072 tcg_gen_trunc_tl_i32(t0, cpu_so);
4073 tcg_gen_trunc_tl_i32(t1, cpu_ov);
4074 tcg_gen_trunc_tl_i32(dst, cpu_ca);
4075 tcg_gen_shli_i32(t0, t0, 3);
4076 tcg_gen_shli_i32(t1, t1, 2);
4077 tcg_gen_shli_i32(dst, dst, 1);
4078 tcg_gen_or_i32(dst, dst, t0);
4079 tcg_gen_or_i32(dst, dst, t1);
4080 tcg_temp_free_i32(t0);
4081 tcg_temp_free_i32(t1);
4082
4083 tcg_gen_movi_tl(cpu_so, 0);
4084 tcg_gen_movi_tl(cpu_ov, 0);
4085 tcg_gen_movi_tl(cpu_ca, 0);
4086 }
4087
4088 #ifdef TARGET_PPC64
4089 /* mcrxrx */
4090 static void gen_mcrxrx(DisasContext *ctx)
4091 {
4092 TCGv t0 = tcg_temp_new();
4093 TCGv t1 = tcg_temp_new();
4094 TCGv_i32 dst = cpu_crf[crfD(ctx->opcode)];
4095
4096 /* copy OV and OV32 */
4097 tcg_gen_shli_tl(t0, cpu_ov, 1);
4098 tcg_gen_or_tl(t0, t0, cpu_ov32);
4099 tcg_gen_shli_tl(t0, t0, 2);
4100 /* copy CA and CA32 */
4101 tcg_gen_shli_tl(t1, cpu_ca, 1);
4102 tcg_gen_or_tl(t1, t1, cpu_ca32);
4103 tcg_gen_or_tl(t0, t0, t1);
4104 tcg_gen_trunc_tl_i32(dst, t0);
4105 tcg_temp_free(t0);
4106 tcg_temp_free(t1);
4107 }
4108 #endif
4109
4110 /* mfcr mfocrf */
4111 static void gen_mfcr(DisasContext *ctx)
4112 {
4113 uint32_t crm, crn;
4114
4115 if (likely(ctx->opcode & 0x00100000)) {
4116 crm = CRM(ctx->opcode);
4117 if (likely(crm && ((crm & (crm - 1)) == 0))) {
4118 crn = ctz32 (crm);
4119 tcg_gen_extu_i32_tl(cpu_gpr[rD(ctx->opcode)], cpu_crf[7 - crn]);
4120 tcg_gen_shli_tl(cpu_gpr[rD(ctx->opcode)],
4121 cpu_gpr[rD(ctx->opcode)], crn * 4);
4122 }
4123 } else {
4124 TCGv_i32 t0 = tcg_temp_new_i32();
4125 tcg_gen_mov_i32(t0, cpu_crf[0]);
4126 tcg_gen_shli_i32(t0, t0, 4);
4127 tcg_gen_or_i32(t0, t0, cpu_crf[1]);
4128 tcg_gen_shli_i32(t0, t0, 4);
4129 tcg_gen_or_i32(t0, t0, cpu_crf[2]);
4130 tcg_gen_shli_i32(t0, t0, 4);
4131 tcg_gen_or_i32(t0, t0, cpu_crf[3]);
4132 tcg_gen_shli_i32(t0, t0, 4);
4133 tcg_gen_or_i32(t0, t0, cpu_crf[4]);
4134 tcg_gen_shli_i32(t0, t0, 4);
4135 tcg_gen_or_i32(t0, t0, cpu_crf[5]);
4136 tcg_gen_shli_i32(t0, t0, 4);
4137 tcg_gen_or_i32(t0, t0, cpu_crf[6]);
4138 tcg_gen_shli_i32(t0, t0, 4);
4139 tcg_gen_or_i32(t0, t0, cpu_crf[7]);
4140 tcg_gen_extu_i32_tl(cpu_gpr[rD(ctx->opcode)], t0);
4141 tcg_temp_free_i32(t0);
4142 }
4143 }
4144
4145 /* mfmsr */
4146 static void gen_mfmsr(DisasContext *ctx)
4147 {
4148 CHK_SV;
4149 tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_msr);
4150 }
4151
4152 static void spr_noaccess(DisasContext *ctx, int gprn, int sprn)
4153 {
4154 #if 0
4155 sprn = ((sprn >> 5) & 0x1F) | ((sprn & 0x1F) << 5);
4156 printf("ERROR: try to access SPR %d !\n", sprn);
4157 #endif
4158 }
4159 #define SPR_NOACCESS (&spr_noaccess)
4160
4161 /* mfspr */
4162 static inline void gen_op_mfspr(DisasContext *ctx)
4163 {
4164 void (*read_cb)(DisasContext *ctx, int gprn, int sprn);
4165 uint32_t sprn = SPR(ctx->opcode);
4166
4167 #if defined(CONFIG_USER_ONLY)
4168 read_cb = ctx->spr_cb[sprn].uea_read;
4169 #else
4170 if (ctx->pr) {
4171 read_cb = ctx->spr_cb[sprn].uea_read;
4172 } else if (ctx->hv) {
4173 read_cb = ctx->spr_cb[sprn].hea_read;
4174 } else {
4175 read_cb = ctx->spr_cb[sprn].oea_read;
4176 }
4177 #endif
4178 if (likely(read_cb != NULL)) {
4179 if (likely(read_cb != SPR_NOACCESS)) {
4180 (*read_cb)(ctx, rD(ctx->opcode), sprn);
4181 } else {
4182 /* Privilege exception */
4183 /* This is a hack to avoid warnings when running Linux:
4184 * this OS breaks the PowerPC virtualisation model,
4185 * allowing userland application to read the PVR
4186 */
4187 if (sprn != SPR_PVR) {
4188 qemu_log_mask(LOG_GUEST_ERROR, "Trying to read privileged spr "
4189 "%d (0x%03x) at " TARGET_FMT_lx "\n", sprn, sprn,
4190 ctx->base.pc_next - 4);
4191 }
4192 gen_priv_exception(ctx, POWERPC_EXCP_PRIV_REG);
4193 }
4194 } else {
4195 /* ISA 2.07 defines these as no-ops */
4196 if ((ctx->insns_flags2 & PPC2_ISA207S) &&
4197 (sprn >= 808 && sprn <= 811)) {
4198 /* This is a nop */
4199 return;
4200 }
4201 /* Not defined */
4202 qemu_log_mask(LOG_GUEST_ERROR,
4203 "Trying to read invalid spr %d (0x%03x) at "
4204 TARGET_FMT_lx "\n", sprn, sprn, ctx->base.pc_next - 4);
4205
4206 /* The behaviour depends on MSR:PR and SPR# bit 0x10,
4207 * it can generate a priv, a hv emu or a no-op
4208 */
4209 if (sprn & 0x10) {
4210 if (ctx->pr) {
4211 gen_priv_exception(ctx, POWERPC_EXCP_INVAL_SPR);
4212 }
4213 } else {
4214 if (ctx->pr || sprn == 0 || sprn == 4 || sprn == 5 || sprn == 6) {
4215 gen_hvpriv_exception(ctx, POWERPC_EXCP_INVAL_SPR);
4216 }
4217 }
4218 }
4219 }
4220
4221 static void gen_mfspr(DisasContext *ctx)
4222 {
4223 gen_op_mfspr(ctx);
4224 }
4225
4226 /* mftb */
4227 static void gen_mftb(DisasContext *ctx)
4228 {
4229 gen_op_mfspr(ctx);
4230 }
4231
4232 /* mtcrf mtocrf*/
4233 static void gen_mtcrf(DisasContext *ctx)
4234 {
4235 uint32_t crm, crn;
4236
4237 crm = CRM(ctx->opcode);
4238 if (likely((ctx->opcode & 0x00100000))) {
4239 if (crm && ((crm & (crm - 1)) == 0)) {
4240 TCGv_i32 temp = tcg_temp_new_i32();
4241 crn = ctz32 (crm);
4242 tcg_gen_trunc_tl_i32(temp, cpu_gpr[rS(ctx->opcode)]);
4243 tcg_gen_shri_i32(temp, temp, crn * 4);
4244 tcg_gen_andi_i32(cpu_crf[7 - crn], temp, 0xf);
4245 tcg_temp_free_i32(temp);
4246 }
4247 } else {
4248 TCGv_i32 temp = tcg_temp_new_i32();
4249 tcg_gen_trunc_tl_i32(temp, cpu_gpr[rS(ctx->opcode)]);
4250 for (crn = 0 ; crn < 8 ; crn++) {
4251 if (crm & (1 << crn)) {
4252 tcg_gen_shri_i32(cpu_crf[7 - crn], temp, crn * 4);
4253 tcg_gen_andi_i32(cpu_crf[7 - crn], cpu_crf[7 - crn], 0xf);
4254 }
4255 }
4256 tcg_temp_free_i32(temp);
4257 }
4258 }
4259
4260 /* mtmsr */
4261 #if defined(TARGET_PPC64)
4262 static void gen_mtmsrd(DisasContext *ctx)
4263 {
4264 CHK_SV;
4265
4266 #if !defined(CONFIG_USER_ONLY)
4267 if (ctx->opcode & 0x00010000) {
4268 /* Special form that does not need any synchronisation */
4269 TCGv t0 = tcg_temp_new();
4270 tcg_gen_andi_tl(t0, cpu_gpr[rS(ctx->opcode)], (1 << MSR_RI) | (1 << MSR_EE));
4271 tcg_gen_andi_tl(cpu_msr, cpu_msr, ~(target_ulong)((1 << MSR_RI) | (1 << MSR_EE)));
4272 tcg_gen_or_tl(cpu_msr, cpu_msr, t0);
4273 tcg_temp_free(t0);
4274 } else {
4275 /* XXX: we need to update nip before the store
4276 * if we enter power saving mode, we will exit the loop
4277 * directly from ppc_store_msr
4278 */
4279 if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) {
4280 gen_io_start();
4281 }
4282 gen_update_nip(ctx, ctx->base.pc_next);
4283 gen_helper_store_msr(cpu_env, cpu_gpr[rS(ctx->opcode)]);
4284 /* Must stop the translation as machine state (may have) changed */
4285 /* Note that mtmsr is not always defined as context-synchronizing */
4286 gen_stop_exception(ctx);
4287 if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) {
4288 gen_io_end();
4289 }
4290 }
4291 #endif /* !defined(CONFIG_USER_ONLY) */
4292 }
4293 #endif /* defined(TARGET_PPC64) */
4294
4295 static void gen_mtmsr(DisasContext *ctx)
4296 {
4297 CHK_SV;
4298
4299 #if !defined(CONFIG_USER_ONLY)
4300 if (ctx->opcode & 0x00010000) {
4301 /* Special form that does not need any synchronisation */
4302 TCGv t0 = tcg_temp_new();
4303 tcg_gen_andi_tl(t0, cpu_gpr[rS(ctx->opcode)], (1 << MSR_RI) | (1 << MSR_EE));
4304 tcg_gen_andi_tl(cpu_msr, cpu_msr, ~(target_ulong)((1 << MSR_RI) | (1 << MSR_EE)));
4305 tcg_gen_or_tl(cpu_msr, cpu_msr, t0);
4306 tcg_temp_free(t0);
4307 } else {
4308 TCGv msr = tcg_temp_new();
4309
4310 /* XXX: we need to update nip before the store
4311 * if we enter power saving mode, we will exit the loop
4312 * directly from ppc_store_msr
4313 */
4314 if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) {
4315 gen_io_start();
4316 }
4317 gen_update_nip(ctx, ctx->base.pc_next);
4318 #if defined(TARGET_PPC64)
4319 tcg_gen_deposit_tl(msr, cpu_msr, cpu_gpr[rS(ctx->opcode)], 0, 32);
4320 #else
4321 tcg_gen_mov_tl(msr, cpu_gpr[rS(ctx->opcode)]);
4322 #endif
4323 gen_helper_store_msr(cpu_env, msr);
4324 if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) {
4325 gen_io_end();
4326 }
4327 tcg_temp_free(msr);
4328 /* Must stop the translation as machine state (may have) changed */
4329 /* Note that mtmsr is not always defined as context-synchronizing */
4330 gen_stop_exception(ctx);
4331 }
4332 #endif
4333 }
4334
4335 /* mtspr */
4336 static void gen_mtspr(DisasContext *ctx)
4337 {
4338 void (*write_cb)(DisasContext *ctx, int sprn, int gprn);
4339 uint32_t sprn = SPR(ctx->opcode);
4340
4341 #if defined(CONFIG_USER_ONLY)
4342 write_cb = ctx->spr_cb[sprn].uea_write;
4343 #else
4344 if (ctx->pr) {
4345 write_cb = ctx->spr_cb[sprn].uea_write;
4346 } else if (ctx->hv) {
4347 write_cb = ctx->spr_cb[sprn].hea_write;
4348 } else {
4349 write_cb = ctx->spr_cb[sprn].oea_write;
4350 }
4351 #endif
4352 if (likely(write_cb != NULL)) {
4353 if (likely(write_cb != SPR_NOACCESS)) {
4354 (*write_cb)(ctx, sprn, rS(ctx->opcode));
4355 } else {
4356 /* Privilege exception */
4357 qemu_log_mask(LOG_GUEST_ERROR, "Trying to write privileged spr "
4358 "%d (0x%03x) at " TARGET_FMT_lx "\n", sprn, sprn,
4359 ctx->base.pc_next - 4);
4360 gen_priv_exception(ctx, POWERPC_EXCP_PRIV_REG);
4361 }
4362 } else {
4363 /* ISA 2.07 defines these as no-ops */
4364 if ((ctx->insns_flags2 & PPC2_ISA207S) &&
4365 (sprn >= 808 && sprn <= 811)) {
4366 /* This is a nop */
4367 return;
4368 }
4369
4370 /* Not defined */
4371 qemu_log_mask(LOG_GUEST_ERROR,
4372 "Trying to write invalid spr %d (0x%03x) at "
4373 TARGET_FMT_lx "\n", sprn, sprn, ctx->base.pc_next - 4);
4374
4375
4376 /* The behaviour depends on MSR:PR and SPR# bit 0x10,
4377 * it can generate a priv, a hv emu or a no-op
4378 */
4379 if (sprn & 0x10) {
4380 if (ctx->pr) {
4381 gen_priv_exception(ctx, POWERPC_EXCP_INVAL_SPR);
4382 }
4383 } else {
4384 if (ctx->pr || sprn == 0) {
4385 gen_hvpriv_exception(ctx, POWERPC_EXCP_INVAL_SPR);
4386 }
4387 }
4388 }
4389 }
4390
4391 #if defined(TARGET_PPC64)
4392 /* setb */
4393 static void gen_setb(DisasContext *ctx)
4394 {
4395 TCGv_i32 t0 = tcg_temp_new_i32();
4396 TCGv_i32 t8 = tcg_temp_new_i32();
4397 TCGv_i32 tm1 = tcg_temp_new_i32();
4398 int crf = crfS(ctx->opcode);
4399
4400 tcg_gen_setcondi_i32(TCG_COND_GEU, t0, cpu_crf[crf], 4);
4401 tcg_gen_movi_i32(t8, 8);
4402 tcg_gen_movi_i32(tm1, -1);
4403 tcg_gen_movcond_i32(TCG_COND_GEU, t0, cpu_crf[crf], t8, tm1, t0);
4404 tcg_gen_ext_i32_tl(cpu_gpr[rD(ctx->opcode)], t0);
4405
4406 tcg_temp_free_i32(t0);
4407 tcg_temp_free_i32(t8);
4408 tcg_temp_free_i32(tm1);
4409 }
4410 #endif
4411
4412 /*** Cache management ***/
4413
4414 /* dcbf */
4415 static void gen_dcbf(DisasContext *ctx)
4416 {
4417 /* XXX: specification says this is treated as a load by the MMU */
4418 TCGv t0;
4419 gen_set_access_type(ctx, ACCESS_CACHE);
4420 t0 = tcg_temp_new();
4421 gen_addr_reg_index(ctx, t0);
4422 gen_qemu_ld8u(ctx, t0, t0);
4423 tcg_temp_free(t0);
4424 }
4425
4426 /* dcbfep (external PID dcbf) */
4427 static void gen_dcbfep(DisasContext *ctx)
4428 {
4429 /* XXX: specification says this is treated as a load by the MMU */
4430 TCGv t0;
4431 CHK_SV;
4432 gen_set_access_type(ctx, ACCESS_CACHE);
4433 t0 = tcg_temp_new();
4434 gen_addr_reg_index(ctx, t0);
4435 tcg_gen_qemu_ld_tl(t0, t0, PPC_TLB_EPID_LOAD, DEF_MEMOP(MO_UB));
4436 tcg_temp_free(t0);
4437 }
4438
4439 /* dcbi (Supervisor only) */
4440 static void gen_dcbi(DisasContext *ctx)
4441 {
4442 #if defined(CONFIG_USER_ONLY)
4443 GEN_PRIV;
4444 #else
4445 TCGv EA, val;
4446
4447 CHK_SV;
4448 EA = tcg_temp_new();
4449 gen_set_access_type(ctx, ACCESS_CACHE);
4450 gen_addr_reg_index(ctx, EA);
4451 val = tcg_temp_new();
4452 /* XXX: specification says this should be treated as a store by the MMU */
4453 gen_qemu_ld8u(ctx, val, EA);
4454 gen_qemu_st8(ctx, val, EA);
4455 tcg_temp_free(val);
4456 tcg_temp_free(EA);
4457 #endif /* defined(CONFIG_USER_ONLY) */
4458 }
4459
4460 /* dcdst */
4461 static void gen_dcbst(DisasContext *ctx)
4462 {
4463 /* XXX: specification say this is treated as a load by the MMU */
4464 TCGv t0;
4465 gen_set_access_type(ctx, ACCESS_CACHE);
4466 t0 = tcg_temp_new();
4467 gen_addr_reg_index(ctx, t0);
4468 gen_qemu_ld8u(ctx, t0, t0);
4469 tcg_temp_free(t0);
4470 }
4471
4472 /* dcbstep (dcbstep External PID version) */
4473 static void gen_dcbstep(DisasContext *ctx)
4474 {
4475 /* XXX: specification say this is treated as a load by the MMU */
4476 TCGv t0;
4477 gen_set_access_type(ctx, ACCESS_CACHE);
4478 t0 = tcg_temp_new();
4479 gen_addr_reg_index(ctx, t0);
4480 tcg_gen_qemu_ld_tl(t0, t0, PPC_TLB_EPID_LOAD, DEF_MEMOP(MO_UB));
4481 tcg_temp_free(t0);
4482 }
4483
4484 /* dcbt */
4485 static void gen_dcbt(DisasContext *ctx)
4486 {
4487 /* interpreted as no-op */
4488 /* XXX: specification say this is treated as a load by the MMU
4489 * but does not generate any exception
4490 */
4491 }
4492
4493 /* dcbtep */
4494 static void gen_dcbtep(DisasContext *ctx)
4495 {
4496 /* interpreted as no-op */
4497 /* XXX: specification say this is treated as a load by the MMU
4498 * but does not generate any exception
4499 */
4500 }
4501
4502 /* dcbtst */
4503 static void gen_dcbtst(DisasContext *ctx)
4504 {
4505 /* interpreted as no-op */
4506 /* XXX: specification say this is treated as a load by the MMU
4507 * but does not generate any exception
4508 */
4509 }
4510
4511 /* dcbtstep */
4512 static void gen_dcbtstep(DisasContext *ctx)
4513 {
4514 /* interpreted as no-op */
4515 /* XXX: specification say this is treated as a load by the MMU
4516 * but does not generate any exception
4517 */
4518 }
4519
4520 /* dcbtls */
4521 static void gen_dcbtls(DisasContext *ctx)
4522 {
4523 /* Always fails locking the cache */
4524 TCGv t0 = tcg_temp_new();
4525 gen_load_spr(t0, SPR_Exxx_L1CSR0);
4526 tcg_gen_ori_tl(t0, t0, L1CSR0_CUL);
4527 gen_store_spr(SPR_Exxx_L1CSR0, t0);
4528 tcg_temp_free(t0);
4529 }
4530
4531 /* dcbz */
4532 static void gen_dcbz(DisasContext *ctx)
4533 {
4534 TCGv tcgv_addr;
4535 TCGv_i32 tcgv_op;
4536
4537 gen_set_access_type(ctx, ACCESS_CACHE);
4538 tcgv_addr = tcg_temp_new();
4539 tcgv_op = tcg_const_i32(ctx->opcode & 0x03FF000);
4540 gen_addr_reg_index(ctx, tcgv_addr);
4541 gen_helper_dcbz(cpu_env, tcgv_addr, tcgv_op);
4542 tcg_temp_free(tcgv_addr);
4543 tcg_temp_free_i32(tcgv_op);
4544 }
4545
4546 /* dcbzep */
4547 static void gen_dcbzep(DisasContext *ctx)
4548 {
4549 TCGv tcgv_addr;
4550 TCGv_i32 tcgv_op;
4551
4552 gen_set_access_type(ctx, ACCESS_CACHE);
4553 tcgv_addr = tcg_temp_new();
4554 tcgv_op = tcg_const_i32(ctx->opcode & 0x03FF000);
4555 gen_addr_reg_index(ctx, tcgv_addr);
4556 gen_helper_dcbzep(cpu_env, tcgv_addr, tcgv_op);
4557 tcg_temp_free(tcgv_addr);
4558 tcg_temp_free_i32(tcgv_op);
4559 }
4560
4561 /* dst / dstt */
4562 static void gen_dst(DisasContext *ctx)
4563 {
4564 if (rA(ctx->opcode) == 0) {
4565 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
4566 } else {
4567 /* interpreted as no-op */
4568 }
4569 }
4570
4571 /* dstst /dststt */
4572 static void gen_dstst(DisasContext *ctx)
4573 {
4574 if (rA(ctx->opcode) == 0) {
4575 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
4576 } else {
4577 /* interpreted as no-op */
4578 }
4579
4580 }
4581
4582 /* dss / dssall */
4583 static void gen_dss(DisasContext *ctx)
4584 {
4585 /* interpreted as no-op */
4586 }
4587
4588 /* icbi */
4589 static void gen_icbi(DisasContext *ctx)
4590 {
4591 TCGv t0;
4592 gen_set_access_type(ctx, ACCESS_CACHE);
4593 t0 = tcg_temp_new();
4594 gen_addr_reg_index(ctx, t0);
4595 gen_helper_icbi(cpu_env, t0);
4596 tcg_temp_free(t0);
4597 }
4598
4599 /* icbiep */
4600 static void gen_icbiep(DisasContext *ctx)
4601 {
4602 TCGv t0;
4603 gen_set_access_type(ctx, ACCESS_CACHE);
4604 t0 = tcg_temp_new();
4605 gen_addr_reg_index(ctx, t0);
4606 gen_helper_icbiep(cpu_env, t0);
4607 tcg_temp_free(t0);
4608 }
4609
4610 /* Optional: */
4611 /* dcba */
4612 static void gen_dcba(DisasContext *ctx)
4613 {
4614 /* interpreted as no-op */
4615 /* XXX: specification say this is treated as a store by the MMU
4616 * but does not generate any exception
4617 */
4618 }
4619
4620 /*** Segment register manipulation ***/
4621 /* Supervisor only: */
4622
4623 /* mfsr */
4624 static void gen_mfsr(DisasContext *ctx)
4625 {
4626 #if defined(CONFIG_USER_ONLY)
4627 GEN_PRIV;
4628 #else
4629 TCGv t0;
4630
4631 CHK_SV;
4632 t0 = tcg_const_tl(SR(ctx->opcode));
4633 gen_helper_load_sr(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
4634 tcg_temp_free(t0);
4635 #endif /* defined(CONFIG_USER_ONLY) */
4636 }
4637
4638 /* mfsrin */
4639 static void gen_mfsrin(DisasContext *ctx)
4640 {
4641 #if defined(CONFIG_USER_ONLY)
4642 GEN_PRIV;
4643 #else
4644 TCGv t0;
4645
4646 CHK_SV;
4647 t0 = tcg_temp_new();
4648 tcg_gen_extract_tl(t0, cpu_gpr[rB(ctx->opcode)], 28, 4);
4649 gen_helper_load_sr(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
4650 tcg_temp_free(t0);
4651 #endif /* defined(CONFIG_USER_ONLY) */
4652 }
4653
4654 /* mtsr */
4655 static void gen_mtsr(DisasContext *ctx)
4656 {
4657 #if defined(CONFIG_USER_ONLY)
4658 GEN_PRIV;
4659 #else
4660 TCGv t0;
4661
4662 CHK_SV;
4663 t0 = tcg_const_tl(SR(ctx->opcode));
4664 gen_helper_store_sr(cpu_env, t0, cpu_gpr[rS(ctx->opcode)]);
4665 tcg_temp_free(t0);
4666 #endif /* defined(CONFIG_USER_ONLY) */
4667 }
4668
4669 /* mtsrin */
4670 static void gen_mtsrin(DisasContext *ctx)
4671 {
4672 #if defined(CONFIG_USER_ONLY)
4673 GEN_PRIV;
4674 #else
4675 TCGv t0;
4676 CHK_SV;
4677
4678 t0 = tcg_temp_new();
4679 tcg_gen_extract_tl(t0, cpu_gpr[rB(ctx->opcode)], 28, 4);
4680 gen_helper_store_sr(cpu_env, t0, cpu_gpr[rD(ctx->opcode)]);
4681 tcg_temp_free(t0);
4682 #endif /* defined(CONFIG_USER_ONLY) */
4683 }
4684
4685 #if defined(TARGET_PPC64)
4686 /* Specific implementation for PowerPC 64 "bridge" emulation using SLB */
4687
4688 /* mfsr */
4689 static void gen_mfsr_64b(DisasContext *ctx)
4690 {
4691 #if defined(CONFIG_USER_ONLY)
4692 GEN_PRIV;
4693 #else
4694 TCGv t0;
4695
4696 CHK_SV;
4697 t0 = tcg_const_tl(SR(ctx->opcode));
4698 gen_helper_load_sr(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
4699 tcg_temp_free(t0);
4700 #endif /* defined(CONFIG_USER_ONLY) */
4701 }
4702
4703 /* mfsrin */
4704 static void gen_mfsrin_64b(DisasContext *ctx)
4705 {
4706 #if defined(CONFIG_USER_ONLY)
4707 GEN_PRIV;
4708 #else
4709 TCGv t0;
4710
4711 CHK_SV;
4712 t0 = tcg_temp_new();
4713 tcg_gen_extract_tl(t0, cpu_gpr[rB(ctx->opcode)], 28, 4);
4714 gen_helper_load_sr(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
4715 tcg_temp_free(t0);
4716 #endif /* defined(CONFIG_USER_ONLY) */
4717 }
4718
4719 /* mtsr */
4720 static void gen_mtsr_64b(DisasContext *ctx)
4721 {
4722 #if defined(CONFIG_USER_ONLY)
4723 GEN_PRIV;
4724 #else
4725 TCGv t0;
4726
4727 CHK_SV;
4728 t0 = tcg_const_tl(SR(ctx->opcode));
4729 gen_helper_store_sr(cpu_env, t0, cpu_gpr[rS(ctx->opcode)]);
4730 tcg_temp_free(t0);
4731 #endif /* defined(CONFIG_USER_ONLY) */
4732 }
4733
4734 /* mtsrin */
4735 static void gen_mtsrin_64b(DisasContext *ctx)
4736 {
4737 #if defined(CONFIG_USER_ONLY)
4738 GEN_PRIV;
4739 #else
4740 TCGv t0;
4741
4742 CHK_SV;
4743 t0 = tcg_temp_new();
4744 tcg_gen_extract_tl(t0, cpu_gpr[rB(ctx->opcode)], 28, 4);
4745 gen_helper_store_sr(cpu_env, t0, cpu_gpr[rS(ctx->opcode)]);
4746 tcg_temp_free(t0);
4747 #endif /* defined(CONFIG_USER_ONLY) */
4748 }
4749
4750 /* slbmte */
4751 static void gen_slbmte(DisasContext *ctx)
4752 {
4753 #if defined(CONFIG_USER_ONLY)
4754 GEN_PRIV;
4755 #else
4756 CHK_SV;
4757
4758 gen_helper_store_slb(cpu_env, cpu_gpr[rB(ctx->opcode)],
4759 cpu_gpr[rS(ctx->opcode)]);
4760 #endif /* defined(CONFIG_USER_ONLY) */
4761 }
4762
4763 static void gen_slbmfee(DisasContext *ctx)
4764 {
4765 #if defined(CONFIG_USER_ONLY)
4766 GEN_PRIV;
4767 #else
4768 CHK_SV;
4769
4770 gen_helper_load_slb_esid(cpu_gpr[rS(ctx->opcode)], cpu_env,
4771 cpu_gpr[rB(ctx->opcode)]);
4772 #endif /* defined(CONFIG_USER_ONLY) */
4773 }
4774
4775 static void gen_slbmfev(DisasContext *ctx)
4776 {
4777 #if defined(CONFIG_USER_ONLY)
4778 GEN_PRIV;
4779 #else
4780 CHK_SV;
4781
4782 gen_helper_load_slb_vsid(cpu_gpr[rS(ctx->opcode)], cpu_env,
4783 cpu_gpr[rB(ctx->opcode)]);
4784 #endif /* defined(CONFIG_USER_ONLY) */
4785 }
4786
4787 static void gen_slbfee_(DisasContext *ctx)
4788 {
4789 #if defined(CONFIG_USER_ONLY)
4790 gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG);
4791 #else
4792 TCGLabel *l1, *l2;
4793
4794 if (unlikely(ctx->pr)) {
4795 gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG);
4796 return;
4797 }
4798 gen_helper_find_slb_vsid(cpu_gpr[rS(ctx->opcode)], cpu_env,
4799 cpu_gpr[rB(ctx->opcode)]);
4800 l1 = gen_new_label();
4801 l2 = gen_new_label();
4802 tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so);
4803 tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[rS(ctx->opcode)], -1, l1);
4804 tcg_gen_ori_i32(cpu_crf[0], cpu_crf[0], CRF_EQ);
4805 tcg_gen_br(l2);
4806 gen_set_label(l1);
4807 tcg_gen_movi_tl(cpu_gpr[rS(ctx->opcode)], 0);
4808 gen_set_label(l2);
4809 #endif
4810 }
4811 #endif /* defined(TARGET_PPC64) */
4812
4813 /*** Lookaside buffer management ***/
4814 /* Optional & supervisor only: */
4815
4816 /* tlbia */
4817 static void gen_tlbia(DisasContext *ctx)
4818 {
4819 #if defined(CONFIG_USER_ONLY)
4820 GEN_PRIV;
4821 #else
4822 CHK_HV;
4823
4824 gen_helper_tlbia(cpu_env);
4825 #endif /* defined(CONFIG_USER_ONLY) */
4826 }
4827
4828 /* tlbiel */
4829 static void gen_tlbiel(DisasContext *ctx)
4830 {
4831 #if defined(CONFIG_USER_ONLY)
4832 GEN_PRIV;
4833 #else
4834 CHK_SV;
4835
4836 gen_helper_tlbie(cpu_env, cpu_gpr[rB(ctx->opcode)]);
4837 #endif /* defined(CONFIG_USER_ONLY) */
4838 }
4839
4840 /* tlbie */
4841 static void gen_tlbie(DisasContext *ctx)
4842 {
4843 #if defined(CONFIG_USER_ONLY)
4844 GEN_PRIV;
4845 #else
4846 TCGv_i32 t1;
4847
4848 if (ctx->gtse) {
4849 CHK_SV; /* If gtse is set then tlbie is supervisor privileged */
4850 } else {
4851 CHK_HV; /* Else hypervisor privileged */
4852 }
4853
4854 if (NARROW_MODE(ctx)) {
4855 TCGv t0 = tcg_temp_new();
4856 tcg_gen_ext32u_tl(t0, cpu_gpr[rB(ctx->opcode)]);
4857 gen_helper_tlbie(cpu_env, t0);
4858 tcg_temp_free(t0);
4859 } else {
4860 gen_helper_tlbie(cpu_env, cpu_gpr[rB(ctx->opcode)]);
4861 }
4862 t1 = tcg_temp_new_i32();
4863 tcg_gen_ld_i32(t1, cpu_env, offsetof(CPUPPCState, tlb_need_flush));
4864 tcg_gen_ori_i32(t1, t1, TLB_NEED_GLOBAL_FLUSH);
4865 tcg_gen_st_i32(t1, cpu_env, offsetof(CPUPPCState, tlb_need_flush));
4866 tcg_temp_free_i32(t1);
4867 #endif /* defined(CONFIG_USER_ONLY) */
4868 }
4869
4870 /* tlbsync */
4871 static void gen_tlbsync(DisasContext *ctx)
4872 {
4873 #if defined(CONFIG_USER_ONLY)
4874 GEN_PRIV;
4875 #else
4876
4877 if (ctx->gtse) {
4878 CHK_SV; /* If gtse is set then tlbsync is supervisor privileged */
4879 } else {
4880 CHK_HV; /* Else hypervisor privileged */
4881 }
4882
4883 /* BookS does both ptesync and tlbsync make tlbsync a nop for server */
4884 if (ctx->insns_flags & PPC_BOOKE) {
4885 gen_check_tlb_flush(ctx, true);
4886 }
4887 #endif /* defined(CONFIG_USER_ONLY) */
4888 }
4889
4890 #if defined(TARGET_PPC64)
4891 /* slbia */
4892 static void gen_slbia(DisasContext *ctx)
4893 {
4894 #if defined(CONFIG_USER_ONLY)
4895 GEN_PRIV;
4896 #else
4897 CHK_SV;
4898
4899 gen_helper_slbia(cpu_env);
4900 #endif /* defined(CONFIG_USER_ONLY) */
4901 }
4902
4903 /* slbie */
4904 static void gen_slbie(DisasContext *ctx)
4905 {
4906 #if defined(CONFIG_USER_ONLY)
4907 GEN_PRIV;
4908 #else
4909 CHK_SV;
4910
4911 gen_helper_slbie(cpu_env, cpu_gpr[rB(ctx->opcode)]);
4912 #endif /* defined(CONFIG_USER_ONLY) */
4913 }
4914
4915 /* slbieg */
4916 static void gen_slbieg(DisasContext *ctx)
4917 {
4918 #if defined(CONFIG_USER_ONLY)
4919 GEN_PRIV;
4920 #else
4921 CHK_SV;
4922
4923 gen_helper_slbieg(cpu_env, cpu_gpr[rB(ctx->opcode)]);
4924 #endif /* defined(CONFIG_USER_ONLY) */
4925 }
4926
4927 /* slbsync */
4928 static void gen_slbsync(DisasContext *ctx)
4929 {
4930 #if defined(CONFIG_USER_ONLY)
4931 GEN_PRIV;
4932 #else
4933 CHK_SV;
4934 gen_check_tlb_flush(ctx, true);
4935 #endif /* defined(CONFIG_USER_ONLY) */
4936 }
4937
4938 #endif /* defined(TARGET_PPC64) */
4939
4940 /*** External control ***/
4941 /* Optional: */
4942
4943 /* eciwx */
4944 static void gen_eciwx(DisasContext *ctx)
4945 {
4946 TCGv t0;
4947 /* Should check EAR[E] ! */
4948 gen_set_access_type(ctx, ACCESS_EXT);
4949 t0 = tcg_temp_new();
4950 gen_addr_reg_index(ctx, t0);
4951 tcg_gen_qemu_ld_tl(cpu_gpr[rD(ctx->opcode)], t0, ctx->mem_idx,
4952 DEF_MEMOP(MO_UL | MO_ALIGN));
4953 tcg_temp_free(t0);
4954 }
4955
4956 /* ecowx */
4957 static void gen_ecowx(DisasContext *ctx)
4958 {
4959 TCGv t0;
4960 /* Should check EAR[E] ! */
4961 gen_set_access_type(ctx, ACCESS_EXT);
4962 t0 = tcg_temp_new();
4963 gen_addr_reg_index(ctx, t0);
4964 tcg_gen_qemu_st_tl(cpu_gpr[rD(ctx->opcode)], t0, ctx->mem_idx,
4965 DEF_MEMOP(MO_UL | MO_ALIGN));
4966 tcg_temp_free(t0);
4967 }
4968
4969 /* PowerPC 601 specific instructions */
4970
4971 /* abs - abs. */
4972 static void gen_abs(DisasContext *ctx)
4973 {
4974 TCGLabel *l1 = gen_new_label();
4975 TCGLabel *l2 = gen_new_label();
4976 tcg_gen_brcondi_tl(TCG_COND_GE, cpu_gpr[rA(ctx->opcode)], 0, l1);
4977 tcg_gen_neg_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
4978 tcg_gen_br(l2);
4979 gen_set_label(l1);
4980 tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
4981 gen_set_label(l2);
4982 if (unlikely(Rc(ctx->opcode) != 0))
4983 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
4984 }
4985
4986 /* abso - abso. */
4987 static void gen_abso(DisasContext *ctx)
4988 {
4989 TCGLabel *l1 = gen_new_label();
4990 TCGLabel *l2 = gen_new_label();
4991 TCGLabel *l3 = gen_new_label();
4992 /* Start with XER OV disabled, the most likely case */
4993 tcg_gen_movi_tl(cpu_ov, 0);
4994 tcg_gen_brcondi_tl(TCG_COND_GE, cpu_gpr[rA(ctx->opcode)], 0, l2);
4995 tcg_gen_brcondi_tl(TCG_COND_NE, cpu_gpr[rA(ctx->opcode)], 0x80000000, l1);
4996 tcg_gen_movi_tl(cpu_ov, 1);
4997 tcg_gen_movi_tl(cpu_so, 1);
4998 tcg_gen_br(l2);
4999 gen_set_label(l1);
5000 tcg_gen_neg_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
5001 tcg_gen_br(l3);
5002 gen_set_label(l2);
5003 tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
5004 gen_set_label(l3);
5005 if (unlikely(Rc(ctx->opcode) != 0))
5006 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
5007 }
5008
5009 /* clcs */
5010 static void gen_clcs(DisasContext *ctx)
5011 {
5012 TCGv_i32 t0 = tcg_const_i32(rA(ctx->opcode));
5013 gen_helper_clcs(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
5014 tcg_temp_free_i32(t0);
5015 /* Rc=1 sets CR0 to an undefined state */
5016 }
5017
5018 /* div - div. */
5019 static void gen_div(DisasContext *ctx)
5020 {
5021 gen_helper_div(cpu_gpr[rD(ctx->opcode)], cpu_env, cpu_gpr[rA(ctx->opcode)],
5022 cpu_gpr[rB(ctx->opcode)]);
5023 if (unlikely(Rc(ctx->opcode) != 0))
5024 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
5025 }
5026
5027 /* divo - divo. */
5028 static void gen_divo(DisasContext *ctx)
5029 {
5030 gen_helper_divo(cpu_gpr[rD(ctx->opcode)], cpu_env, cpu_gpr[rA(ctx->opcode)],
5031 cpu_gpr[rB(ctx->opcode)]);
5032 if (unlikely(Rc(ctx->opcode) != 0))
5033 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
5034 }
5035
5036 /* divs - divs. */
5037 static void gen_divs(DisasContext *ctx)
5038 {
5039 gen_helper_divs(cpu_gpr[rD(ctx->opcode)], cpu_env, cpu_gpr[rA(ctx->opcode)],
5040 cpu_gpr[rB(ctx->opcode)]);
5041 if (unlikely(Rc(ctx->opcode) != 0))
5042 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
5043 }
5044
5045 /* divso - divso. */
5046 static void gen_divso(DisasContext *ctx)
5047 {
5048 gen_helper_divso(cpu_gpr[rD(ctx->opcode)], cpu_env,
5049 cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
5050 if (unlikely(Rc(ctx->opcode) != 0))
5051 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
5052 }
5053
5054 /* doz - doz. */
5055 static void gen_doz(DisasContext *ctx)
5056 {
5057 TCGLabel *l1 = gen_new_label();
5058 TCGLabel *l2 = gen_new_label();
5059 tcg_gen_brcond_tl(TCG_COND_GE, cpu_gpr[rB(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], l1);
5060 tcg_gen_sub_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
5061 tcg_gen_br(l2);
5062 gen_set_label(l1);
5063 tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], 0);
5064 gen_set_label(l2);
5065 if (unlikely(Rc(ctx->opcode) != 0))
5066 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
5067 }
5068
5069 /* dozo - dozo. */
5070 static void gen_dozo(DisasContext *ctx)
5071 {
5072 TCGLabel *l1 = gen_new_label();
5073 TCGLabel *l2 = gen_new_label();
5074 TCGv t0 = tcg_temp_new();
5075 TCGv t1 = tcg_temp_new();
5076 TCGv t2 = tcg_temp_new();
5077 /* Start with XER OV disabled, the most likely case */
5078 tcg_gen_movi_tl(cpu_ov, 0);
5079 tcg_gen_brcond_tl(TCG_COND_GE, cpu_gpr[rB(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], l1);
5080 tcg_gen_sub_tl(t0, cpu_gpr[rB(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
5081 tcg_gen_xor_tl(t1, cpu_gpr[rB(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
5082 tcg_gen_xor_tl(t2, cpu_gpr[rA(ctx->opcode)], t0);
5083 tcg_gen_andc_tl(t1, t1, t2);
5084 tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], t0);
5085 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l2);
5086 tcg_gen_movi_tl(cpu_ov, 1);
5087 tcg_gen_movi_tl(cpu_so, 1);
5088 tcg_gen_br(l2);
5089 gen_set_label(l1);
5090 tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], 0);
5091 gen_set_label(l2);
5092 tcg_temp_free(t0);
5093 tcg_temp_free(t1);
5094 tcg_temp_free(t2);
5095 if (unlikely(Rc(ctx->opcode) != 0))
5096 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
5097 }
5098
5099 /* dozi */
5100 static void gen_dozi(DisasContext *ctx)
5101 {
5102 target_long simm = SIMM(ctx->opcode);
5103 TCGLabel *l1 = gen_new_label();
5104 TCGLabel *l2 = gen_new_label();
5105 tcg_gen_brcondi_tl(TCG_COND_LT, cpu_gpr[rA(ctx->opcode)], simm, l1);
5106 tcg_gen_subfi_tl(cpu_gpr[rD(ctx->opcode)], simm, cpu_gpr[rA(ctx->opcode)]);
5107 tcg_gen_br(l2);
5108 gen_set_label(l1);
5109 tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], 0);
5110 gen_set_label(l2);
5111 if (unlikely(Rc(ctx->opcode) != 0))
5112 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
5113 }
5114
5115 /* lscbx - lscbx. */
5116 static void gen_lscbx(DisasContext *ctx)
5117 {
5118 TCGv t0 = tcg_temp_new();
5119 TCGv_i32 t1 = tcg_const_i32(rD(ctx->opcode));
5120 TCGv_i32 t2 = tcg_const_i32(rA(ctx->opcode));
5121 TCGv_i32 t3 = tcg_const_i32(rB(ctx->opcode));
5122
5123 gen_addr_reg_index(ctx, t0);
5124 gen_helper_lscbx(t0, cpu_env, t0, t1, t2, t3);
5125 tcg_temp_free_i32(t1);
5126 tcg_temp_free_i32(t2);
5127 tcg_temp_free_i32(t3);
5128 tcg_gen_andi_tl(cpu_xer, cpu_xer, ~0x7F);
5129 tcg_gen_or_tl(cpu_xer, cpu_xer, t0);
5130 if (unlikely(Rc(ctx->opcode) != 0))
5131 gen_set_Rc0(ctx, t0);
5132 tcg_temp_free(t0);
5133 }
5134
5135 /* maskg - maskg. */
5136 static void gen_maskg(DisasContext *ctx)
5137 {
5138 TCGLabel *l1 = gen_new_label();
5139 TCGv t0 = tcg_temp_new();
5140 TCGv t1 = tcg_temp_new();
5141 TCGv t2 = tcg_temp_new();
5142 TCGv t3 = tcg_temp_new();
5143 tcg_gen_movi_tl(t3, 0xFFFFFFFF);
5144 tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F);
5145 tcg_gen_andi_tl(t1, cpu_gpr[rS(ctx->opcode)], 0x1F);
5146 tcg_gen_addi_tl(t2, t0, 1);
5147 tcg_gen_shr_tl(t2, t3, t2);
5148 tcg_gen_shr_tl(t3, t3, t1);
5149 tcg_gen_xor_tl(cpu_gpr[rA(ctx->opcode)], t2, t3);
5150 tcg_gen_brcond_tl(TCG_COND_GE, t0, t1, l1);
5151 tcg_gen_neg_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
5152 gen_set_label(l1);
5153 tcg_temp_free(t0);
5154 tcg_temp_free(t1);
5155 tcg_temp_free(t2);
5156 tcg_temp_free(t3);
5157 if (unlikely(Rc(ctx->opcode) != 0))
5158 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5159 }
5160
5161 /* maskir - maskir. */
5162 static void gen_maskir(DisasContext *ctx)
5163 {
5164 TCGv t0 = tcg_temp_new();
5165 TCGv t1 = tcg_temp_new();
5166 tcg_gen_and_tl(t0, cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
5167 tcg_gen_andc_tl(t1, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
5168 tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
5169 tcg_temp_free(t0);
5170 tcg_temp_free(t1);
5171 if (unlikely(Rc(ctx->opcode) != 0))
5172 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5173 }
5174
5175 /* mul - mul. */
5176 static void gen_mul(DisasContext *ctx)
5177 {
5178 TCGv_i64 t0 = tcg_temp_new_i64();
5179 TCGv_i64 t1 = tcg_temp_new_i64();
5180 TCGv t2 = tcg_temp_new();
5181 tcg_gen_extu_tl_i64(t0, cpu_gpr[rA(ctx->opcode)]);
5182 tcg_gen_extu_tl_i64(t1, cpu_gpr[rB(ctx->opcode)]);
5183 tcg_gen_mul_i64(t0, t0, t1);
5184 tcg_gen_trunc_i64_tl(t2, t0);
5185 gen_store_spr(SPR_MQ, t2);
5186 tcg_gen_shri_i64(t1, t0, 32);
5187 tcg_gen_trunc_i64_tl(cpu_gpr[rD(ctx->opcode)], t1);
5188 tcg_temp_free_i64(t0);
5189 tcg_temp_free_i64(t1);
5190 tcg_temp_free(t2);
5191 if (unlikely(Rc(ctx->opcode) != 0))
5192 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
5193 }
5194
5195 /* mulo - mulo. */
5196 static void gen_mulo(DisasContext *ctx)
5197 {
5198 TCGLabel *l1 = gen_new_label();
5199 TCGv_i64 t0 = tcg_temp_new_i64();
5200 TCGv_i64 t1 = tcg_temp_new_i64();
5201 TCGv t2 = tcg_temp_new();
5202 /* Start with XER OV disabled, the most likely case */
5203 tcg_gen_movi_tl(cpu_ov, 0);
5204 tcg_gen_extu_tl_i64(t0, cpu_gpr[rA(ctx->opcode)]);
5205 tcg_gen_extu_tl_i64(t1, cpu_gpr[rB(ctx->opcode)]);
5206 tcg_gen_mul_i64(t0, t0, t1);
5207 tcg_gen_trunc_i64_tl(t2, t0);
5208 gen_store_spr(SPR_MQ, t2);
5209 tcg_gen_shri_i64(t1, t0, 32);
5210 tcg_gen_trunc_i64_tl(cpu_gpr[rD(ctx->opcode)], t1);
5211 tcg_gen_ext32s_i64(t1, t0);
5212 tcg_gen_brcond_i64(TCG_COND_EQ, t0, t1, l1);
5213 tcg_gen_movi_tl(cpu_ov, 1);
5214 tcg_gen_movi_tl(cpu_so, 1);
5215 gen_set_label(l1);
5216 tcg_temp_free_i64(t0);
5217 tcg_temp_free_i64(t1);
5218 tcg_temp_free(t2);
5219 if (unlikely(Rc(ctx->opcode) != 0))
5220 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
5221 }
5222
5223 /* nabs - nabs. */
5224 static void gen_nabs(DisasContext *ctx)
5225 {
5226 TCGLabel *l1 = gen_new_label();
5227 TCGLabel *l2 = gen_new_label();
5228 tcg_gen_brcondi_tl(TCG_COND_GT, cpu_gpr[rA(ctx->opcode)], 0, l1);
5229 tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
5230 tcg_gen_br(l2);
5231 gen_set_label(l1);
5232 tcg_gen_neg_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
5233 gen_set_label(l2);
5234 if (unlikely(Rc(ctx->opcode) != 0))
5235 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
5236 }
5237
5238 /* nabso - nabso. */
5239 static void gen_nabso(DisasContext *ctx)
5240 {
5241 TCGLabel *l1 = gen_new_label();
5242 TCGLabel *l2 = gen_new_label();
5243 tcg_gen_brcondi_tl(TCG_COND_GT, cpu_gpr[rA(ctx->opcode)], 0, l1);
5244 tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
5245 tcg_gen_br(l2);
5246 gen_set_label(l1);
5247 tcg_gen_neg_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
5248 gen_set_label(l2);
5249 /* nabs never overflows */
5250 tcg_gen_movi_tl(cpu_ov, 0);
5251 if (unlikely(Rc(ctx->opcode) != 0))
5252 gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
5253 }
5254
5255 /* rlmi - rlmi. */
5256 static void gen_rlmi(DisasContext *ctx)
5257 {
5258 uint32_t mb = MB(ctx->opcode);
5259 uint32_t me = ME(ctx->opcode);
5260 TCGv t0 = tcg_temp_new();
5261 tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F);
5262 tcg_gen_rotl_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
5263 tcg_gen_andi_tl(t0, t0, MASK(mb, me));
5264 tcg_gen_andi_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], ~MASK(mb, me));
5265 tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], t0);
5266 tcg_temp_free(t0);
5267 if (unlikely(Rc(ctx->opcode) != 0))
5268 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5269 }
5270
5271 /* rrib - rrib. */
5272 static void gen_rrib(DisasContext *ctx)
5273 {
5274 TCGv t0 = tcg_temp_new();
5275 TCGv t1 = tcg_temp_new();
5276 tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F);
5277 tcg_gen_movi_tl(t1, 0x80000000);
5278 tcg_gen_shr_tl(t1, t1, t0);
5279 tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
5280 tcg_gen_and_tl(t0, t0, t1);
5281 tcg_gen_andc_tl(t1, cpu_gpr[rA(ctx->opcode)], t1);
5282 tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
5283 tcg_temp_free(t0);
5284 tcg_temp_free(t1);
5285 if (unlikely(Rc(ctx->opcode) != 0))
5286 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5287 }
5288
5289 /* sle - sle. */
5290 static void gen_sle(DisasContext *ctx)
5291 {
5292 TCGv t0 = tcg_temp_new();
5293 TCGv t1 = tcg_temp_new();
5294 tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F);
5295 tcg_gen_shl_tl(t0, cpu_gpr[rS(ctx->opcode)], t1);
5296 tcg_gen_subfi_tl(t1, 32, t1);
5297 tcg_gen_shr_tl(t1, cpu_gpr[rS(ctx->opcode)], t1);
5298 tcg_gen_or_tl(t1, t0, t1);
5299 tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
5300 gen_store_spr(SPR_MQ, t1);
5301 tcg_temp_free(t0);
5302 tcg_temp_free(t1);
5303 if (unlikely(Rc(ctx->opcode) != 0))
5304 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5305 }
5306
5307 /* sleq - sleq. */
5308 static void gen_sleq(DisasContext *ctx)
5309 {
5310 TCGv t0 = tcg_temp_new();
5311 TCGv t1 = tcg_temp_new();
5312 TCGv t2 = tcg_temp_new();
5313 tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F);
5314 tcg_gen_movi_tl(t2, 0xFFFFFFFF);
5315 tcg_gen_shl_tl(t2, t2, t0);
5316 tcg_gen_rotl_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
5317 gen_load_spr(t1, SPR_MQ);
5318 gen_store_spr(SPR_MQ, t0);
5319 tcg_gen_and_tl(t0, t0, t2);
5320 tcg_gen_andc_tl(t1, t1, t2);
5321 tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
5322 tcg_temp_free(t0);
5323 tcg_temp_free(t1);
5324 tcg_temp_free(t2);
5325 if (unlikely(Rc(ctx->opcode) != 0))
5326 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5327 }
5328
5329 /* sliq - sliq. */
5330 static void gen_sliq(DisasContext *ctx)
5331 {
5332 int sh = SH(ctx->opcode);
5333 TCGv t0 = tcg_temp_new();
5334 TCGv t1 = tcg_temp_new();
5335 tcg_gen_shli_tl(t0, cpu_gpr[rS(ctx->opcode)], sh);
5336 tcg_gen_shri_tl(t1, cpu_gpr[rS(ctx->opcode)], 32 - sh);
5337 tcg_gen_or_tl(t1, t0, t1);
5338 tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
5339 gen_store_spr(SPR_MQ, t1);
5340 tcg_temp_free(t0);
5341 tcg_temp_free(t1);
5342 if (unlikely(Rc(ctx->opcode) != 0))
5343 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5344 }
5345
5346 /* slliq - slliq. */
5347 static void gen_slliq(DisasContext *ctx)
5348 {
5349 int sh = SH(ctx->opcode);
5350 TCGv t0 = tcg_temp_new();
5351 TCGv t1 = tcg_temp_new();
5352 tcg_gen_rotli_tl(t0, cpu_gpr[rS(ctx->opcode)], sh);
5353 gen_load_spr(t1, SPR_MQ);
5354 gen_store_spr(SPR_MQ, t0);
5355 tcg_gen_andi_tl(t0, t0, (0xFFFFFFFFU << sh));
5356 tcg_gen_andi_tl(t1, t1, ~(0xFFFFFFFFU << sh));
5357 tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
5358 tcg_temp_free(t0);
5359 tcg_temp_free(t1);
5360 if (unlikely(Rc(ctx->opcode) != 0))
5361 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5362 }
5363
5364 /* sllq - sllq. */
5365 static void gen_sllq(DisasContext *ctx)
5366 {
5367 TCGLabel *l1 = gen_new_label();
5368 TCGLabel *l2 = gen_new_label();
5369 TCGv t0 = tcg_temp_local_new();
5370 TCGv t1 = tcg_temp_local_new();
5371 TCGv t2 = tcg_temp_local_new();
5372 tcg_gen_andi_tl(t2, cpu_gpr[rB(ctx->opcode)], 0x1F);
5373 tcg_gen_movi_tl(t1, 0xFFFFFFFF);
5374 tcg_gen_shl_tl(t1, t1, t2);
5375 tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x20);
5376 tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1);
5377 gen_load_spr(t0, SPR_MQ);
5378 tcg_gen_and_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
5379 tcg_gen_br(l2);
5380 gen_set_label(l1);
5381 tcg_gen_shl_tl(t0, cpu_gpr[rS(ctx->opcode)], t2);
5382 gen_load_spr(t2, SPR_MQ);
5383 tcg_gen_andc_tl(t1, t2, t1);
5384 tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
5385 gen_set_label(l2);
5386 tcg_temp_free(t0);
5387 tcg_temp_free(t1);
5388 tcg_temp_free(t2);
5389 if (unlikely(Rc(ctx->opcode) != 0))
5390 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5391 }
5392
5393 /* slq - slq. */
5394 static void gen_slq(DisasContext *ctx)
5395 {
5396 TCGLabel *l1 = gen_new_label();
5397 TCGv t0 = tcg_temp_new();
5398 TCGv t1 = tcg_temp_new();
5399 tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F);
5400 tcg_gen_shl_tl(t0, cpu_gpr[rS(ctx->opcode)], t1);
5401 tcg_gen_subfi_tl(t1, 32, t1);
5402 tcg_gen_shr_tl(t1, cpu_gpr[rS(ctx->opcode)], t1);
5403 tcg_gen_or_tl(t1, t0, t1);
5404 gen_store_spr(SPR_MQ, t1);
5405 tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x20);
5406 tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
5407 tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1);
5408 tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0);
5409 gen_set_label(l1);
5410 tcg_temp_free(t0);
5411 tcg_temp_free(t1);
5412 if (unlikely(Rc(ctx->opcode) != 0))
5413 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5414 }
5415
5416 /* sraiq - sraiq. */
5417 static void gen_sraiq(DisasContext *ctx)
5418 {
5419 int sh = SH(ctx->opcode);
5420 TCGLabel *l1 = gen_new_label();
5421 TCGv t0 = tcg_temp_new();
5422 TCGv t1 = tcg_temp_new();
5423 tcg_gen_shri_tl(t0, cpu_gpr[rS(ctx->opcode)], sh);
5424 tcg_gen_shli_tl(t1, cpu_gpr[rS(ctx->opcode)], 32 - sh);
5425 tcg_gen_or_tl(t0, t0, t1);
5426 gen_store_spr(SPR_MQ, t0);
5427 tcg_gen_movi_tl(cpu_ca, 0);
5428 tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1);
5429 tcg_gen_brcondi_tl(TCG_COND_GE, cpu_gpr[rS(ctx->opcode)], 0, l1);
5430 tcg_gen_movi_tl(cpu_ca, 1);
5431 gen_set_label(l1);
5432 tcg_gen_sari_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], sh);
5433 tcg_temp_free(t0);
5434 tcg_temp_free(t1);
5435 if (unlikely(Rc(ctx->opcode) != 0))
5436 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5437 }
5438
5439 /* sraq - sraq. */
5440 static void gen_sraq(DisasContext *ctx)
5441 {
5442 TCGLabel *l1 = gen_new_label();
5443 TCGLabel *l2 = gen_new_label();
5444 TCGv t0 = tcg_temp_new();
5445 TCGv t1 = tcg_temp_local_new();
5446 TCGv t2 = tcg_temp_local_new();
5447 tcg_gen_andi_tl(t2, cpu_gpr[rB(ctx->opcode)], 0x1F);
5448 tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t2);
5449 tcg_gen_sar_tl(t1, cpu_gpr[rS(ctx->opcode)], t2);
5450 tcg_gen_subfi_tl(t2, 32, t2);
5451 tcg_gen_shl_tl(t2, cpu_gpr[rS(ctx->opcode)], t2);
5452 tcg_gen_or_tl(t0, t0, t2);
5453 gen_store_spr(SPR_MQ, t0);
5454 tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x20);
5455 tcg_gen_brcondi_tl(TCG_COND_EQ, t2, 0, l1);
5456 tcg_gen_mov_tl(t2, cpu_gpr[rS(ctx->opcode)]);
5457 tcg_gen_sari_tl(t1, cpu_gpr[rS(ctx->opcode)], 31);
5458 gen_set_label(l1);
5459 tcg_temp_free(t0);
5460 tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t1);
5461 tcg_gen_movi_tl(cpu_ca, 0);
5462 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l2);
5463 tcg_gen_brcondi_tl(TCG_COND_EQ, t2, 0, l2);
5464 tcg_gen_movi_tl(cpu_ca, 1);
5465 gen_set_label(l2);
5466 tcg_temp_free(t1);
5467 tcg_temp_free(t2);
5468 if (unlikely(Rc(ctx->opcode) != 0))
5469 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5470 }
5471
5472 /* sre - sre. */
5473 static void gen_sre(DisasContext *ctx)
5474 {
5475 TCGv t0 = tcg_temp_new();
5476 TCGv t1 = tcg_temp_new();
5477 tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F);
5478 tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t1);
5479 tcg_gen_subfi_tl(t1, 32, t1);
5480 tcg_gen_shl_tl(t1, cpu_gpr[rS(ctx->opcode)], t1);
5481 tcg_gen_or_tl(t1, t0, t1);
5482 tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
5483 gen_store_spr(SPR_MQ, t1);
5484 tcg_temp_free(t0);
5485 tcg_temp_free(t1);
5486 if (unlikely(Rc(ctx->opcode) != 0))
5487 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5488 }
5489
5490 /* srea - srea. */
5491 static void gen_srea(DisasContext *ctx)
5492 {
5493 TCGv t0 = tcg_temp_new();
5494 TCGv t1 = tcg_temp_new();
5495 tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F);
5496 tcg_gen_rotr_tl(t0, cpu_gpr[rS(ctx->opcode)], t1);
5497 gen_store_spr(SPR_MQ, t0);
5498 tcg_gen_sar_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], t1);
5499 tcg_temp_free(t0);
5500 tcg_temp_free(t1);
5501 if (unlikely(Rc(ctx->opcode) != 0))
5502 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5503 }
5504
5505 /* sreq */
5506 static void gen_sreq(DisasContext *ctx)
5507 {
5508 TCGv t0 = tcg_temp_new();
5509 TCGv t1 = tcg_temp_new();
5510 TCGv t2 = tcg_temp_new();
5511 tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F);
5512 tcg_gen_movi_tl(t1, 0xFFFFFFFF);
5513 tcg_gen_shr_tl(t1, t1, t0);
5514 tcg_gen_rotr_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
5515 gen_load_spr(t2, SPR_MQ);
5516 gen_store_spr(SPR_MQ, t0);
5517 tcg_gen_and_tl(t0, t0, t1);
5518 tcg_gen_andc_tl(t2, t2, t1);
5519 tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t2);
5520 tcg_temp_free(t0);
5521 tcg_temp_free(t1);
5522 tcg_temp_free(t2);
5523 if (unlikely(Rc(ctx->opcode) != 0))
5524 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5525 }
5526
5527 /* sriq */
5528 static void gen_sriq(DisasContext *ctx)
5529 {
5530 int sh = SH(ctx->opcode);
5531 TCGv t0 = tcg_temp_new();
5532 TCGv t1 = tcg_temp_new();
5533 tcg_gen_shri_tl(t0, cpu_gpr[rS(ctx->opcode)], sh);
5534 tcg_gen_shli_tl(t1, cpu_gpr[rS(ctx->opcode)], 32 - sh);
5535 tcg_gen_or_tl(t1, t0, t1);
5536 tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
5537 gen_store_spr(SPR_MQ, t1);
5538 tcg_temp_free(t0);
5539 tcg_temp_free(t1);
5540 if (unlikely(Rc(ctx->opcode) != 0))
5541 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5542 }
5543
5544 /* srliq */
5545 static void gen_srliq(DisasContext *ctx)
5546 {
5547 int sh = SH(ctx->opcode);
5548 TCGv t0 = tcg_temp_new();
5549 TCGv t1 = tcg_temp_new();
5550 tcg_gen_rotri_tl(t0, cpu_gpr[rS(ctx->opcode)], sh);
5551 gen_load_spr(t1, SPR_MQ);
5552 gen_store_spr(SPR_MQ, t0);
5553 tcg_gen_andi_tl(t0, t0, (0xFFFFFFFFU >> sh));
5554 tcg_gen_andi_tl(t1, t1, ~(0xFFFFFFFFU >> sh));
5555 tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
5556 tcg_temp_free(t0);
5557 tcg_temp_free(t1);
5558 if (unlikely(Rc(ctx->opcode) != 0))
5559 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5560 }
5561
5562 /* srlq */
5563 static void gen_srlq(DisasContext *ctx)
5564 {
5565 TCGLabel *l1 = gen_new_label();
5566 TCGLabel *l2 = gen_new_label();
5567 TCGv t0 = tcg_temp_local_new();
5568 TCGv t1 = tcg_temp_local_new();
5569 TCGv t2 = tcg_temp_local_new();
5570 tcg_gen_andi_tl(t2, cpu_gpr[rB(ctx->opcode)], 0x1F);
5571 tcg_gen_movi_tl(t1, 0xFFFFFFFF);
5572 tcg_gen_shr_tl(t2, t1, t2);
5573 tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x20);
5574 tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1);
5575 gen_load_spr(t0, SPR_MQ);
5576 tcg_gen_and_tl(cpu_gpr[rA(ctx->opcode)], t0, t2);
5577 tcg_gen_br(l2);
5578 gen_set_label(l1);
5579 tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t2);
5580 tcg_gen_and_tl(t0, t0, t2);
5581 gen_load_spr(t1, SPR_MQ);
5582 tcg_gen_andc_tl(t1, t1, t2);
5583 tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
5584 gen_set_label(l2);
5585 tcg_temp_free(t0);
5586 tcg_temp_free(t1);
5587 tcg_temp_free(t2);
5588 if (unlikely(Rc(ctx->opcode) != 0))
5589 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5590 }
5591
5592 /* srq */
5593 static void gen_srq(DisasContext *ctx)
5594 {
5595 TCGLabel *l1 = gen_new_label();
5596 TCGv t0 = tcg_temp_new();
5597 TCGv t1 = tcg_temp_new();
5598 tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F);
5599 tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t1);
5600 tcg_gen_subfi_tl(t1, 32, t1);
5601 tcg_gen_shl_tl(t1, cpu_gpr[rS(ctx->opcode)], t1);
5602 tcg_gen_or_tl(t1, t0, t1);
5603 gen_store_spr(SPR_MQ, t1);
5604 tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x20);
5605 tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
5606 tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1);
5607 tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0);
5608 gen_set_label(l1);
5609 tcg_temp_free(t0);
5610 tcg_temp_free(t1);
5611 if (unlikely(Rc(ctx->opcode) != 0))
5612 gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
5613 }
5614
5615 /* PowerPC 602 specific instructions */
5616
5617 /* dsa */
5618 static void gen_dsa(DisasContext *ctx)
5619 {
5620 /* XXX: TODO */
5621 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
5622 }
5623
5624 /* esa */
5625 static void gen_esa(DisasContext *ctx)
5626 {
5627 /* XXX: TODO */
5628 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
5629 }
5630
5631 /* mfrom */
5632 static void gen_mfrom(DisasContext *ctx)
5633 {
5634 #if defined(CONFIG_USER_ONLY)
5635 GEN_PRIV;
5636 #else
5637 CHK_SV;
5638 gen_helper_602_mfrom(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
5639 #endif /* defined(CONFIG_USER_ONLY) */
5640 }
5641
5642 /* 602 - 603 - G2 TLB management */
5643
5644 /* tlbld */
5645 static void gen_tlbld_6xx(DisasContext *ctx)
5646 {
5647 #if defined(CONFIG_USER_ONLY)
5648 GEN_PRIV;
5649 #else
5650 CHK_SV;
5651 gen_helper_6xx_tlbd(cpu_env, cpu_gpr[rB(ctx->opcode)]);
5652 #endif /* defined(CONFIG_USER_ONLY) */
5653 }
5654
5655 /* tlbli */
5656 static void gen_tlbli_6xx(DisasContext *ctx)
5657 {
5658 #if defined(CONFIG_USER_ONLY)
5659 GEN_PRIV;
5660 #else
5661 CHK_SV;
5662 gen_helper_6xx_tlbi(cpu_env, cpu_gpr[rB(ctx->opcode)]);
5663 #endif /* defined(CONFIG_USER_ONLY) */
5664 }
5665
5666 /* 74xx TLB management */
5667
5668 /* tlbld */
5669 static void gen_tlbld_74xx(DisasContext *ctx)
5670 {
5671 #if defined(CONFIG_USER_ONLY)
5672 GEN_PRIV;
5673 #else
5674 CHK_SV;
5675 gen_helper_74xx_tlbd(cpu_env, cpu_gpr[rB(ctx->opcode)]);
5676 #endif /* defined(CONFIG_USER_ONLY) */
5677 }
5678
5679 /* tlbli */
5680 static void gen_tlbli_74xx(DisasContext *ctx)
5681 {
5682 #if defined(CONFIG_USER_ONLY)
5683 GEN_PRIV;
5684 #else
5685 CHK_SV;
5686 gen_helper_74xx_tlbi(cpu_env, cpu_gpr[rB(ctx->opcode)]);
5687 #endif /* defined(CONFIG_USER_ONLY) */
5688 }
5689
5690 /* POWER instructions not in PowerPC 601 */
5691
5692 /* clf */
5693 static void gen_clf(DisasContext *ctx)
5694 {
5695 /* Cache line flush: implemented as no-op */
5696 }
5697
5698 /* cli */
5699 static void gen_cli(DisasContext *ctx)
5700 {
5701 #if defined(CONFIG_USER_ONLY)
5702 GEN_PRIV;
5703 #else
5704 /* Cache line invalidate: privileged and treated as no-op */
5705 CHK_SV;
5706 #endif /* defined(CONFIG_USER_ONLY) */
5707 }
5708
5709 /* dclst */
5710 static void gen_dclst(DisasContext *ctx)
5711 {
5712 /* Data cache line store: treated as no-op */
5713 }
5714
5715 static void gen_mfsri(DisasContext *ctx)
5716 {
5717 #if defined(CONFIG_USER_ONLY)
5718 GEN_PRIV;
5719 #else
5720 int ra = rA(ctx->opcode);
5721 int rd = rD(ctx->opcode);
5722 TCGv t0;
5723
5724 CHK_SV;
5725 t0 = tcg_temp_new();
5726 gen_addr_reg_index(ctx, t0);
5727 tcg_gen_extract_tl(t0, t0, 28, 4);
5728 gen_helper_load_sr(cpu_gpr[rd], cpu_env, t0);
5729 tcg_temp_free(t0);
5730 if (ra != 0 && ra != rd)
5731 tcg_gen_mov_tl(cpu_gpr[ra], cpu_gpr[rd]);
5732 #endif /* defined(CONFIG_USER_ONLY) */
5733 }
5734
5735 static void gen_rac(DisasContext *ctx)
5736 {
5737 #if defined(CONFIG_USER_ONLY)
5738 GEN_PRIV;
5739 #else
5740 TCGv t0;
5741
5742 CHK_SV;
5743 t0 = tcg_temp_new();
5744 gen_addr_reg_index(ctx, t0);
5745 gen_helper_rac(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
5746 tcg_temp_free(t0);
5747 #endif /* defined(CONFIG_USER_ONLY) */
5748 }
5749
5750 static void gen_rfsvc(DisasContext *ctx)
5751 {
5752 #if defined(CONFIG_USER_ONLY)
5753 GEN_PRIV;
5754 #else
5755 CHK_SV;
5756
5757 gen_helper_rfsvc(cpu_env);
5758 gen_sync_exception(ctx);
5759 #endif /* defined(CONFIG_USER_ONLY) */
5760 }
5761
5762 /* svc is not implemented for now */
5763
5764 /* BookE specific instructions */
5765
5766 /* XXX: not implemented on 440 ? */
5767 static void gen_mfapidi(DisasContext *ctx)
5768 {
5769 /* XXX: TODO */
5770 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
5771 }
5772
5773 /* XXX: not implemented on 440 ? */
5774 static void gen_tlbiva(DisasContext *ctx)
5775 {
5776 #if defined(CONFIG_USER_ONLY)
5777 GEN_PRIV;
5778 #else
5779 TCGv t0;
5780
5781 CHK_SV;
5782 t0 = tcg_temp_new();
5783 gen_addr_reg_index(ctx, t0);
5784 gen_helper_tlbiva(cpu_env, cpu_gpr[rB(ctx->opcode)]);
5785 tcg_temp_free(t0);
5786 #endif /* defined(CONFIG_USER_ONLY) */
5787 }
5788
5789 /* All 405 MAC instructions are translated here */
5790 static inline void gen_405_mulladd_insn(DisasContext *ctx, int opc2, int opc3,
5791 int ra, int rb, int rt, int Rc)
5792 {
5793 TCGv t0, t1;
5794
5795 t0 = tcg_temp_local_new();
5796 t1 = tcg_temp_local_new();
5797
5798 switch (opc3 & 0x0D) {
5799 case 0x05:
5800 /* macchw - macchw. - macchwo - macchwo. */
5801 /* macchws - macchws. - macchwso - macchwso. */
5802 /* nmacchw - nmacchw. - nmacchwo - nmacchwo. */
5803 /* nmacchws - nmacchws. - nmacchwso - nmacchwso. */
5804 /* mulchw - mulchw. */
5805 tcg_gen_ext16s_tl(t0, cpu_gpr[ra]);
5806 tcg_gen_sari_tl(t1, cpu_gpr[rb], 16);
5807 tcg_gen_ext16s_tl(t1, t1);
5808 break;
5809 case 0x04:
5810 /* macchwu - macchwu. - macchwuo - macchwuo. */
5811 /* macchwsu - macchwsu. - macchwsuo - macchwsuo. */
5812 /* mulchwu - mulchwu. */
5813 tcg_gen_ext16u_tl(t0, cpu_gpr[ra]);
5814 tcg_gen_shri_tl(t1, cpu_gpr[rb], 16);
5815 tcg_gen_ext16u_tl(t1, t1);
5816 break;
5817 case 0x01:
5818 /* machhw - machhw. - machhwo - machhwo. */
5819 /* machhws - machhws. - machhwso - machhwso. */
5820 /* nmachhw - nmachhw. - nmachhwo - nmachhwo. */
5821 /* nmachhws - nmachhws. - nmachhwso - nmachhwso. */
5822 /* mulhhw - mulhhw. */
5823 tcg_gen_sari_tl(t0, cpu_gpr[ra], 16);
5824 tcg_gen_ext16s_tl(t0, t0);
5825 tcg_gen_sari_tl(t1, cpu_gpr[rb], 16);
5826 tcg_gen_ext16s_tl(t1, t1);
5827 break;
5828 case 0x00:
5829 /* machhwu - machhwu. - machhwuo - machhwuo. */
5830 /* machhwsu - machhwsu. - machhwsuo - machhwsuo. */
5831 /* mulhhwu - mulhhwu. */
5832 tcg_gen_shri_tl(t0, cpu_gpr[ra], 16);
5833 tcg_gen_ext16u_tl(t0, t0);
5834 tcg_gen_shri_tl(t1, cpu_gpr[rb], 16);
5835 tcg_gen_ext16u_tl(t1, t1);
5836 break;
5837 case 0x0D:
5838 /* maclhw - maclhw. - maclhwo - maclhwo. */
5839 /* maclhws - maclhws. - maclhwso - maclhwso. */
5840 /* nmaclhw - nmaclhw. - nmaclhwo - nmaclhwo. */
5841 /* nmaclhws - nmaclhws. - nmaclhwso - nmaclhwso. */
5842 /* mullhw - mullhw. */
5843 tcg_gen_ext16s_tl(t0, cpu_gpr[ra]);
5844 tcg_gen_ext16s_tl(t1, cpu_gpr[rb]);
5845 break;
5846 case 0x0C:
5847 /* maclhwu - maclhwu. - maclhwuo - maclhwuo. */
5848 /* maclhwsu - maclhwsu. - maclhwsuo - maclhwsuo. */
5849 /* mullhwu - mullhwu. */
5850 tcg_gen_ext16u_tl(t0, cpu_gpr[ra]);
5851 tcg_gen_ext16u_tl(t1, cpu_gpr[rb]);
5852 break;
5853 }
5854 if (opc2 & 0x04) {
5855 /* (n)multiply-and-accumulate (0x0C / 0x0E) */
5856 tcg_gen_mul_tl(t1, t0, t1);
5857 if (opc2 & 0x02) {
5858 /* nmultiply-and-accumulate (0x0E) */
5859 tcg_gen_sub_tl(t0, cpu_gpr[rt], t1);
5860 } else {
5861 /* multiply-and-accumulate (0x0C) */
5862 tcg_gen_add_tl(t0, cpu_gpr[rt], t1);
5863 }
5864
5865 if (opc3 & 0x12) {
5866 /* Check overflow and/or saturate */
5867 TCGLabel *l1 = gen_new_label();
5868
5869 if (opc3 & 0x10) {
5870 /* Start with XER OV disabled, the most likely case */
5871 tcg_gen_movi_tl(cpu_ov, 0);
5872 }
5873 if (opc3 & 0x01) {
5874 /* Signed */
5875 tcg_gen_xor_tl(t1, cpu_gpr[rt], t1);
5876 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1);
5877 tcg_gen_xor_tl(t1, cpu_gpr[rt], t0);
5878 tcg_gen_brcondi_tl(TCG_COND_LT, t1, 0, l1);
5879 if (opc3 & 0x02) {
5880 /* Saturate */
5881 tcg_gen_sari_tl(t0, cpu_gpr[rt], 31);
5882 tcg_gen_xori_tl(t0, t0, 0x7fffffff);
5883 }
5884 } else {
5885 /* Unsigned */
5886 tcg_gen_brcond_tl(TCG_COND_GEU, t0, t1, l1);
5887 if (opc3 & 0x02) {
5888 /* Saturate */
5889 tcg_gen_movi_tl(t0, UINT32_MAX);
5890 }
5891 }
5892 if (opc3 & 0x10) {
5893 /* Check overflow */
5894 tcg_gen_movi_tl(cpu_ov, 1);
5895 tcg_gen_movi_tl(cpu_so, 1);
5896 }
5897 gen_set_label(l1);
5898 tcg_gen_mov_tl(cpu_gpr[rt], t0);
5899 }
5900 } else {
5901 tcg_gen_mul_tl(cpu_gpr[rt], t0, t1);
5902 }
5903 tcg_temp_free(t0);
5904 tcg_temp_free(t1);
5905 if (unlikely(Rc) != 0) {
5906 /* Update Rc0 */
5907 gen_set_Rc0(ctx, cpu_gpr[rt]);
5908 }
5909 }
5910
5911 #define GEN_MAC_HANDLER(name, opc2, opc3) \
5912 static void glue(gen_, name)(DisasContext *ctx) \
5913 { \
5914 gen_405_mulladd_insn(ctx, opc2, opc3, rA(ctx->opcode), rB(ctx->opcode), \
5915 rD(ctx->opcode), Rc(ctx->opcode)); \
5916 }
5917
5918 /* macchw - macchw. */
5919 GEN_MAC_HANDLER(macchw, 0x0C, 0x05);
5920 /* macchwo - macchwo. */
5921 GEN_MAC_HANDLER(macchwo, 0x0C, 0x15);
5922 /* macchws - macchws. */
5923 GEN_MAC_HANDLER(macchws, 0x0C, 0x07);
5924 /* macchwso - macchwso. */
5925 GEN_MAC_HANDLER(macchwso, 0x0C, 0x17);
5926 /* macchwsu - macchwsu. */
5927 GEN_MAC_HANDLER(macchwsu, 0x0C, 0x06);
5928 /* macchwsuo - macchwsuo. */
5929 GEN_MAC_HANDLER(macchwsuo, 0x0C, 0x16);
5930 /* macchwu - macchwu. */
5931 GEN_MAC_HANDLER(macchwu, 0x0C, 0x04);
5932 /* macchwuo - macchwuo. */
5933 GEN_MAC_HANDLER(macchwuo, 0x0C, 0x14);
5934 /* machhw - machhw. */
5935 GEN_MAC_HANDLER(machhw, 0x0C, 0x01);
5936 /* machhwo - machhwo. */
5937 GEN_MAC_HANDLER(machhwo, 0x0C, 0x11);
5938 /* machhws - machhws. */
5939 GEN_MAC_HANDLER(machhws, 0x0C, 0x03);
5940 /* machhwso - machhwso. */
5941 GEN_MAC_HANDLER(machhwso, 0x0C, 0x13);
5942 /* machhwsu - machhwsu. */
5943 GEN_MAC_HANDLER(machhwsu, 0x0C, 0x02);
5944 /* machhwsuo - machhwsuo. */
5945 GEN_MAC_HANDLER(machhwsuo, 0x0C, 0x12);
5946 /* machhwu - machhwu. */
5947 GEN_MAC_HANDLER(machhwu, 0x0C, 0x00);
5948 /* machhwuo - machhwuo. */
5949 GEN_MAC_HANDLER(machhwuo, 0x0C, 0x10);
5950 /* maclhw - maclhw. */
5951 GEN_MAC_HANDLER(maclhw, 0x0C, 0x0D);
5952 /* maclhwo - maclhwo. */
5953 GEN_MAC_HANDLER(maclhwo, 0x0C, 0x1D);
5954 /* maclhws - maclhws. */
5955 GEN_MAC_HANDLER(maclhws, 0x0C, 0x0F);
5956 /* maclhwso - maclhwso. */
5957 GEN_MAC_HANDLER(maclhwso, 0x0C, 0x1F);
5958 /* maclhwu - maclhwu. */
5959 GEN_MAC_HANDLER(maclhwu, 0x0C, 0x0C);
5960 /* maclhwuo - maclhwuo. */
5961 GEN_MAC_HANDLER(maclhwuo, 0x0C, 0x1C);
5962 /* maclhwsu - maclhwsu. */
5963 GEN_MAC_HANDLER(maclhwsu, 0x0C, 0x0E);
5964 /* maclhwsuo - maclhwsuo. */
5965 GEN_MAC_HANDLER(maclhwsuo, 0x0C, 0x1E);
5966 /* nmacchw - nmacchw. */
5967 GEN_MAC_HANDLER(nmacchw, 0x0E, 0x05);
5968 /* nmacchwo - nmacchwo. */
5969 GEN_MAC_HANDLER(nmacchwo, 0x0E, 0x15);
5970 /* nmacchws - nmacchws. */
5971 GEN_MAC_HANDLER(nmacchws, 0x0E, 0x07);
5972 /* nmacchwso - nmacchwso. */
5973 GEN_MAC_HANDLER(nmacchwso, 0x0E, 0x17);
5974 /* nmachhw - nmachhw. */
5975 GEN_MAC_HANDLER(nmachhw, 0x0E, 0x01);
5976 /* nmachhwo - nmachhwo. */
5977 GEN_MAC_HANDLER(nmachhwo, 0x0E, 0x11);
5978 /* nmachhws - nmachhws. */
5979 GEN_MAC_HANDLER(nmachhws, 0x0E, 0x03);
5980 /* nmachhwso - nmachhwso. */
5981 GEN_MAC_HANDLER(nmachhwso, 0x0E, 0x13);
5982 /* nmaclhw - nmaclhw. */
5983 GEN_MAC_HANDLER(nmaclhw, 0x0E, 0x0D);
5984 /* nmaclhwo - nmaclhwo. */
5985 GEN_MAC_HANDLER(nmaclhwo, 0x0E, 0x1D);
5986 /* nmaclhws - nmaclhws. */
5987 GEN_MAC_HANDLER(nmaclhws, 0x0E, 0x0F);
5988 /* nmaclhwso - nmaclhwso. */
5989 GEN_MAC_HANDLER(nmaclhwso, 0x0E, 0x1F);
5990
5991 /* mulchw - mulchw. */
5992 GEN_MAC_HANDLER(mulchw, 0x08, 0x05);
5993 /* mulchwu - mulchwu. */
5994 GEN_MAC_HANDLER(mulchwu, 0x08, 0x04);
5995 /* mulhhw - mulhhw. */
5996 GEN_MAC_HANDLER(mulhhw, 0x08, 0x01);
5997 /* mulhhwu - mulhhwu. */
5998 GEN_MAC_HANDLER(mulhhwu, 0x08, 0x00);
5999 /* mullhw - mullhw. */
6000 GEN_MAC_HANDLER(mullhw, 0x08, 0x0D);
6001 /* mullhwu - mullhwu. */
6002 GEN_MAC_HANDLER(mullhwu, 0x08, 0x0C);
6003
6004 /* mfdcr */
6005 static void gen_mfdcr(DisasContext *ctx)
6006 {
6007 #if defined(CONFIG_USER_ONLY)
6008 GEN_PRIV;
6009 #else
6010 TCGv dcrn;
6011
6012 CHK_SV;
6013 dcrn = tcg_const_tl(SPR(ctx->opcode));
6014 gen_helper_load_dcr(cpu_gpr[rD(ctx->opcode)], cpu_env, dcrn);
6015 tcg_temp_free(dcrn);
6016 #endif /* defined(CONFIG_USER_ONLY) */
6017 }
6018
6019 /* mtdcr */
6020 static void gen_mtdcr(DisasContext *ctx)
6021 {
6022 #if defined(CONFIG_USER_ONLY)
6023 GEN_PRIV;
6024 #else
6025 TCGv dcrn;
6026
6027 CHK_SV;
6028 dcrn = tcg_const_tl(SPR(ctx->opcode));
6029 gen_helper_store_dcr(cpu_env, dcrn, cpu_gpr[rS(ctx->opcode)]);
6030 tcg_temp_free(dcrn);
6031 #endif /* defined(CONFIG_USER_ONLY) */
6032 }
6033
6034 /* mfdcrx */
6035 /* XXX: not implemented on 440 ? */
6036 static void gen_mfdcrx(DisasContext *ctx)
6037 {
6038 #if defined(CONFIG_USER_ONLY)
6039 GEN_PRIV;
6040 #else
6041 CHK_SV;
6042 gen_helper_load_dcr(cpu_gpr[rD(ctx->opcode)], cpu_env,
6043 cpu_gpr[rA(ctx->opcode)]);
6044 /* Note: Rc update flag set leads to undefined state of Rc0 */
6045 #endif /* defined(CONFIG_USER_ONLY) */
6046 }
6047
6048 /* mtdcrx */
6049 /* XXX: not implemented on 440 ? */
6050 static void gen_mtdcrx(DisasContext *ctx)
6051 {
6052 #if defined(CONFIG_USER_ONLY)
6053 GEN_PRIV;
6054 #else
6055 CHK_SV;
6056 gen_helper_store_dcr(cpu_env, cpu_gpr[rA(ctx->opcode)],
6057 cpu_gpr[rS(ctx->opcode)]);
6058 /* Note: Rc update flag set leads to undefined state of Rc0 */
6059 #endif /* defined(CONFIG_USER_ONLY) */
6060 }
6061
6062 /* mfdcrux (PPC 460) : user-mode access to DCR */
6063 static void gen_mfdcrux(DisasContext *ctx)
6064 {
6065 gen_helper_load_dcr(cpu_gpr[rD(ctx->opcode)], cpu_env,
6066 cpu_gpr[rA(ctx->opcode)]);
6067 /* Note: Rc update flag set leads to undefined state of Rc0 */
6068 }
6069
6070 /* mtdcrux (PPC 460) : user-mode access to DCR */
6071 static void gen_mtdcrux(DisasContext *ctx)
6072 {
6073 gen_helper_store_dcr(cpu_env, cpu_gpr[rA(ctx->opcode)],
6074 cpu_gpr[rS(ctx->opcode)]);
6075 /* Note: Rc update flag set leads to undefined state of Rc0 */
6076 }
6077
6078 /* dccci */
6079 static void gen_dccci(DisasContext *ctx)
6080 {
6081 CHK_SV;
6082 /* interpreted as no-op */
6083 }
6084
6085 /* dcread */
6086 static void gen_dcread(DisasContext *ctx)
6087 {
6088 #if defined(CONFIG_USER_ONLY)
6089 GEN_PRIV;
6090 #else
6091 TCGv EA, val;
6092
6093 CHK_SV;
6094 gen_set_access_type(ctx, ACCESS_CACHE);
6095 EA = tcg_temp_new();
6096 gen_addr_reg_index(ctx, EA);
6097 val = tcg_temp_new();
6098 gen_qemu_ld32u(ctx, val, EA);
6099 tcg_temp_free(val);
6100 tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], EA);
6101 tcg_temp_free(EA);
6102 #endif /* defined(CONFIG_USER_ONLY) */
6103 }
6104
6105 /* icbt */
6106 static void gen_icbt_40x(DisasContext *ctx)
6107 {
6108 /* interpreted as no-op */
6109 /* XXX: specification say this is treated as a load by the MMU
6110 * but does not generate any exception
6111 */
6112 }
6113
6114 /* iccci */
6115 static void gen_iccci(DisasContext *ctx)
6116 {
6117 CHK_SV;
6118 /* interpreted as no-op */
6119 }
6120
6121 /* icread */
6122 static void gen_icread(DisasContext *ctx)
6123 {
6124 CHK_SV;
6125 /* interpreted as no-op */
6126 }
6127
6128 /* rfci (supervisor only) */
6129 static void gen_rfci_40x(DisasContext *ctx)
6130 {
6131 #if defined(CONFIG_USER_ONLY)
6132 GEN_PRIV;
6133 #else
6134 CHK_SV;
6135 /* Restore CPU state */
6136 gen_helper_40x_rfci(cpu_env);
6137 gen_sync_exception(ctx);
6138 #endif /* defined(CONFIG_USER_ONLY) */
6139 }
6140
6141 static void gen_rfci(DisasContext *ctx)
6142 {
6143 #if defined(CONFIG_USER_ONLY)
6144 GEN_PRIV;
6145 #else
6146 CHK_SV;
6147 /* Restore CPU state */
6148 gen_helper_rfci(cpu_env);
6149 gen_sync_exception(ctx);
6150 #endif /* defined(CONFIG_USER_ONLY) */
6151 }
6152
6153 /* BookE specific */
6154
6155 /* XXX: not implemented on 440 ? */
6156 static void gen_rfdi(DisasContext *ctx)
6157 {
6158 #if defined(CONFIG_USER_ONLY)
6159 GEN_PRIV;
6160 #else
6161 CHK_SV;
6162 /* Restore CPU state */
6163 gen_helper_rfdi(cpu_env);
6164 gen_sync_exception(ctx);
6165 #endif /* defined(CONFIG_USER_ONLY) */
6166 }
6167
6168 /* XXX: not implemented on 440 ? */
6169 static void gen_rfmci(DisasContext *ctx)
6170 {
6171 #if defined(CONFIG_USER_ONLY)
6172 GEN_PRIV;
6173 #else
6174 CHK_SV;
6175 /* Restore CPU state */
6176 gen_helper_rfmci(cpu_env);
6177 gen_sync_exception(ctx);
6178 #endif /* defined(CONFIG_USER_ONLY) */
6179 }
6180
6181 /* TLB management - PowerPC 405 implementation */
6182
6183 /* tlbre */
6184 static void gen_tlbre_40x(DisasContext *ctx)
6185 {
6186 #if defined(CONFIG_USER_ONLY)
6187 GEN_PRIV;
6188 #else
6189 CHK_SV;
6190 switch (rB(ctx->opcode)) {
6191 case 0:
6192 gen_helper_4xx_tlbre_hi(cpu_gpr[rD(ctx->opcode)], cpu_env,
6193 cpu_gpr[rA(ctx->opcode)]);
6194 break;
6195 case 1:
6196 gen_helper_4xx_tlbre_lo(cpu_gpr[rD(ctx->opcode)], cpu_env,
6197 cpu_gpr[rA(ctx->opcode)]);
6198 break;
6199 default:
6200 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
6201 break;
6202 }
6203 #endif /* defined(CONFIG_USER_ONLY) */
6204 }
6205
6206 /* tlbsx - tlbsx. */
6207 static void gen_tlbsx_40x(DisasContext *ctx)
6208 {
6209 #if defined(CONFIG_USER_ONLY)
6210 GEN_PRIV;
6211 #else
6212 TCGv t0;
6213
6214 CHK_SV;
6215 t0 = tcg_temp_new();
6216 gen_addr_reg_index(ctx, t0);
6217 gen_helper_4xx_tlbsx(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
6218 tcg_temp_free(t0);
6219 if (Rc(ctx->opcode)) {
6220 TCGLabel *l1 = gen_new_label();
6221 tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so);
6222 tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[rD(ctx->opcode)], -1, l1);
6223 tcg_gen_ori_i32(cpu_crf[0], cpu_crf[0], 0x02);
6224 gen_set_label(l1);
6225 }
6226 #endif /* defined(CONFIG_USER_ONLY) */
6227 }
6228
6229 /* tlbwe */
6230 static void gen_tlbwe_40x(DisasContext *ctx)
6231 {
6232 #if defined(CONFIG_USER_ONLY)
6233 GEN_PRIV;
6234 #else
6235 CHK_SV;
6236
6237 switch (rB(ctx->opcode)) {
6238 case 0:
6239 gen_helper_4xx_tlbwe_hi(cpu_env, cpu_gpr[rA(ctx->opcode)],
6240 cpu_gpr[rS(ctx->opcode)]);
6241 break;
6242 case 1:
6243 gen_helper_4xx_tlbwe_lo(cpu_env, cpu_gpr[rA(ctx->opcode)],
6244 cpu_gpr[rS(ctx->opcode)]);
6245 break;
6246 default:
6247 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
6248 break;
6249 }
6250 #endif /* defined(CONFIG_USER_ONLY) */
6251 }
6252
6253 /* TLB management - PowerPC 440 implementation */
6254
6255 /* tlbre */
6256 static void gen_tlbre_440(DisasContext *ctx)
6257 {
6258 #if defined(CONFIG_USER_ONLY)
6259 GEN_PRIV;
6260 #else
6261 CHK_SV;
6262
6263 switch (rB(ctx->opcode)) {
6264 case 0:
6265 case 1:
6266 case 2:
6267 {
6268 TCGv_i32 t0 = tcg_const_i32(rB(ctx->opcode));
6269 gen_helper_440_tlbre(cpu_gpr[rD(ctx->opcode)], cpu_env,
6270 t0, cpu_gpr[rA(ctx->opcode)]);
6271 tcg_temp_free_i32(t0);
6272 }
6273 break;
6274 default:
6275 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
6276 break;
6277 }
6278 #endif /* defined(CONFIG_USER_ONLY) */
6279 }
6280
6281 /* tlbsx - tlbsx. */
6282 static void gen_tlbsx_440(DisasContext *ctx)
6283 {
6284 #if defined(CONFIG_USER_ONLY)
6285 GEN_PRIV;
6286 #else
6287 TCGv t0;
6288
6289 CHK_SV;
6290 t0 = tcg_temp_new();
6291 gen_addr_reg_index(ctx, t0);
6292 gen_helper_440_tlbsx(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
6293 tcg_temp_free(t0);
6294 if (Rc(ctx->opcode)) {
6295 TCGLabel *l1 = gen_new_label();
6296 tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so);
6297 tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[rD(ctx->opcode)], -1, l1);
6298 tcg_gen_ori_i32(cpu_crf[0], cpu_crf[0], 0x02);
6299 gen_set_label(l1);
6300 }
6301 #endif /* defined(CONFIG_USER_ONLY) */
6302 }
6303
6304 /* tlbwe */
6305 static void gen_tlbwe_440(DisasContext *ctx)
6306 {
6307 #if defined(CONFIG_USER_ONLY)
6308 GEN_PRIV;
6309 #else
6310 CHK_SV;
6311 switch (rB(ctx->opcode)) {
6312 case 0:
6313 case 1:
6314 case 2:
6315 {
6316 TCGv_i32 t0 = tcg_const_i32(rB(ctx->opcode));
6317 gen_helper_440_tlbwe(cpu_env, t0, cpu_gpr[rA(ctx->opcode)],
6318 cpu_gpr[rS(ctx->opcode)]);
6319 tcg_temp_free_i32(t0);
6320 }
6321 break;
6322 default:
6323 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
6324 break;
6325 }
6326 #endif /* defined(CONFIG_USER_ONLY) */
6327 }
6328
6329 /* TLB management - PowerPC BookE 2.06 implementation */
6330
6331 /* tlbre */
6332 static void gen_tlbre_booke206(DisasContext *ctx)
6333 {
6334 #if defined(CONFIG_USER_ONLY)
6335 GEN_PRIV;
6336 #else
6337 CHK_SV;
6338 gen_helper_booke206_tlbre(cpu_env);
6339 #endif /* defined(CONFIG_USER_ONLY) */
6340 }
6341
6342 /* tlbsx - tlbsx. */
6343 static void gen_tlbsx_booke206(DisasContext *ctx)
6344 {
6345 #if defined(CONFIG_USER_ONLY)
6346 GEN_PRIV;
6347 #else
6348 TCGv t0;
6349
6350 CHK_SV;
6351 if (rA(ctx->opcode)) {
6352 t0 = tcg_temp_new();
6353 tcg_gen_mov_tl(t0, cpu_gpr[rD(ctx->opcode)]);
6354 } else {
6355 t0 = tcg_const_tl(0);
6356 }
6357
6358 tcg_gen_add_tl(t0, t0, cpu_gpr[rB(ctx->opcode)]);
6359 gen_helper_booke206_tlbsx(cpu_env, t0);
6360 tcg_temp_free(t0);
6361 #endif /* defined(CONFIG_USER_ONLY) */
6362 }
6363
6364 /* tlbwe */
6365 static void gen_tlbwe_booke206(DisasContext *ctx)
6366 {
6367 #if defined(CONFIG_USER_ONLY)
6368 GEN_PRIV;
6369 #else
6370 CHK_SV;
6371 gen_helper_booke206_tlbwe(cpu_env);
6372 #endif /* defined(CONFIG_USER_ONLY) */
6373 }
6374
6375 static void gen_tlbivax_booke206(DisasContext *ctx)
6376 {
6377 #if defined(CONFIG_USER_ONLY)
6378 GEN_PRIV;
6379 #else
6380 TCGv t0;
6381
6382 CHK_SV;
6383 t0 = tcg_temp_new();
6384 gen_addr_reg_index(ctx, t0);
6385 gen_helper_booke206_tlbivax(cpu_env, t0);
6386 tcg_temp_free(t0);
6387 #endif /* defined(CONFIG_USER_ONLY) */
6388 }
6389
6390 static void gen_tlbilx_booke206(DisasContext *ctx)
6391 {
6392 #if defined(CONFIG_USER_ONLY)
6393 GEN_PRIV;
6394 #else
6395 TCGv t0;
6396
6397 CHK_SV;
6398 t0 = tcg_temp_new();
6399 gen_addr_reg_index(ctx, t0);
6400
6401 switch((ctx->opcode >> 21) & 0x3) {
6402 case 0:
6403 gen_helper_booke206_tlbilx0(cpu_env, t0);
6404 break;
6405 case 1:
6406 gen_helper_booke206_tlbilx1(cpu_env, t0);
6407 break;
6408 case 3:
6409 gen_helper_booke206_tlbilx3(cpu_env, t0);
6410 break;
6411 default:
6412 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
6413 break;
6414 }
6415
6416 tcg_temp_free(t0);
6417 #endif /* defined(CONFIG_USER_ONLY) */
6418 }
6419
6420
6421 /* wrtee */
6422 static void gen_wrtee(DisasContext *ctx)
6423 {
6424 #if defined(CONFIG_USER_ONLY)
6425 GEN_PRIV;
6426 #else
6427 TCGv t0;
6428
6429 CHK_SV;
6430 t0 = tcg_temp_new();
6431 tcg_gen_andi_tl(t0, cpu_gpr[rD(ctx->opcode)], (1 << MSR_EE));
6432 tcg_gen_andi_tl(cpu_msr, cpu_msr, ~(1 << MSR_EE));
6433 tcg_gen_or_tl(cpu_msr, cpu_msr, t0);
6434 tcg_temp_free(t0);
6435 /* Stop translation to have a chance to raise an exception
6436 * if we just set msr_ee to 1
6437 */
6438 gen_stop_exception(ctx);
6439 #endif /* defined(CONFIG_USER_ONLY) */
6440 }
6441
6442 /* wrteei */
6443 static void gen_wrteei(DisasContext *ctx)
6444 {
6445 #if defined(CONFIG_USER_ONLY)
6446 GEN_PRIV;
6447 #else
6448 CHK_SV;
6449 if (ctx->opcode & 0x00008000) {
6450 tcg_gen_ori_tl(cpu_msr, cpu_msr, (1 << MSR_EE));
6451 /* Stop translation to have a chance to raise an exception */
6452 gen_stop_exception(ctx);
6453 } else {
6454 tcg_gen_andi_tl(cpu_msr, cpu_msr, ~(1 << MSR_EE));
6455 }
6456 #endif /* defined(CONFIG_USER_ONLY) */
6457 }
6458
6459 /* PowerPC 440 specific instructions */
6460
6461 /* dlmzb */
6462 static void gen_dlmzb(DisasContext *ctx)
6463 {
6464 TCGv_i32 t0 = tcg_const_i32(Rc(ctx->opcode));
6465 gen_helper_dlmzb(cpu_gpr[rA(ctx->opcode)], cpu_env,
6466 cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], t0);
6467 tcg_temp_free_i32(t0);
6468 }
6469
6470 /* mbar replaces eieio on 440 */
6471 static void gen_mbar(DisasContext *ctx)
6472 {
6473 /* interpreted as no-op */
6474 }
6475
6476 /* msync replaces sync on 440 */
6477 static void gen_msync_4xx(DisasContext *ctx)
6478 {
6479 /* interpreted as no-op */
6480 }
6481
6482 /* icbt */
6483 static void gen_icbt_440(DisasContext *ctx)
6484 {
6485 /* interpreted as no-op */
6486 /* XXX: specification say this is treated as a load by the MMU
6487 * but does not generate any exception
6488 */
6489 }
6490
6491 /* Embedded.Processor Control */
6492
6493 static void gen_msgclr(DisasContext *ctx)
6494 {
6495 #if defined(CONFIG_USER_ONLY)
6496 GEN_PRIV;
6497 #else
6498 CHK_HV;
6499 /* 64-bit server processors compliant with arch 2.x */
6500 if (ctx->insns_flags & PPC_SEGMENT_64B) {
6501 gen_helper_book3s_msgclr(cpu_env, cpu_gpr[rB(ctx->opcode)]);
6502 } else {
6503 gen_helper_msgclr(cpu_env, cpu_gpr[rB(ctx->opcode)]);
6504 }
6505 #endif /* defined(CONFIG_USER_ONLY) */
6506 }
6507
6508 static void gen_msgsnd(DisasContext *ctx)
6509 {
6510 #if defined(CONFIG_USER_ONLY)
6511 GEN_PRIV;
6512 #else
6513 CHK_HV;
6514 /* 64-bit server processors compliant with arch 2.x */
6515 if (ctx->insns_flags & PPC_SEGMENT_64B) {
6516 gen_helper_book3s_msgsnd(cpu_gpr[rB(ctx->opcode)]);
6517 } else {
6518 gen_helper_msgsnd(cpu_gpr[rB(ctx->opcode)]);
6519 }
6520 #endif /* defined(CONFIG_USER_ONLY) */
6521 }
6522
6523 static void gen_msgsync(DisasContext *ctx)
6524 {
6525 #if defined(CONFIG_USER_ONLY)
6526 GEN_PRIV;
6527 #else
6528 CHK_HV;
6529 #endif /* defined(CONFIG_USER_ONLY) */
6530 /* interpreted as no-op */
6531 }
6532
6533 #if defined(TARGET_PPC64)
6534 static void gen_maddld(DisasContext *ctx)
6535 {
6536 TCGv_i64 t1 = tcg_temp_new_i64();
6537
6538 tcg_gen_mul_i64(t1, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
6539 tcg_gen_add_i64(cpu_gpr[rD(ctx->opcode)], t1, cpu_gpr[rC(ctx->opcode)]);
6540 tcg_temp_free_i64(t1);
6541 }
6542
6543 /* maddhd maddhdu */
6544 static void gen_maddhd_maddhdu(DisasContext *ctx)
6545 {
6546 TCGv_i64 lo = tcg_temp_new_i64();
6547 TCGv_i64 hi = tcg_temp_new_i64();
6548 TCGv_i64 t1 = tcg_temp_new_i64();
6549
6550 if (Rc(ctx->opcode)) {
6551 tcg_gen_mulu2_i64(lo, hi, cpu_gpr[rA(ctx->opcode)],
6552 cpu_gpr[rB(ctx->opcode)]);
6553 tcg_gen_movi_i64(t1, 0);
6554 } else {
6555 tcg_gen_muls2_i64(lo, hi, cpu_gpr[rA(ctx->opcode)],
6556 cpu_gpr[rB(ctx->opcode)]);
6557 tcg_gen_sari_i64(t1, cpu_gpr[rC(ctx->opcode)], 63);
6558 }
6559 tcg_gen_add2_i64(t1, cpu_gpr[rD(ctx->opcode)], lo, hi,
6560 cpu_gpr[rC(ctx->opcode)], t1);
6561 tcg_temp_free_i64(lo);
6562 tcg_temp_free_i64(hi);
6563 tcg_temp_free_i64(t1);
6564 }
6565 #endif /* defined(TARGET_PPC64) */
6566
6567 static void gen_tbegin(DisasContext *ctx)
6568 {
6569 if (unlikely(!ctx->tm_enabled)) {
6570 gen_exception_err(ctx, POWERPC_EXCP_FU, FSCR_IC_TM);
6571 return;
6572 }
6573 gen_helper_tbegin(cpu_env);
6574 }
6575
6576 #define GEN_TM_NOOP(name) \
6577 static inline void gen_##name(DisasContext *ctx) \
6578 { \
6579 if (unlikely(!ctx->tm_enabled)) { \
6580 gen_exception_err(ctx, POWERPC_EXCP_FU, FSCR_IC_TM); \
6581 return; \
6582 } \
6583 /* Because tbegin always fails in QEMU, these user \
6584 * space instructions all have a simple implementation: \
6585 * \
6586 * CR[0] = 0b0 || MSR[TS] || 0b0 \
6587 * = 0b0 || 0b00 || 0b0 \
6588 */ \
6589 tcg_gen_movi_i32(cpu_crf[0], 0); \
6590 }
6591
6592 GEN_TM_NOOP(tend);
6593 GEN_TM_NOOP(tabort);
6594 GEN_TM_NOOP(tabortwc);
6595 GEN_TM_NOOP(tabortwci);
6596 GEN_TM_NOOP(tabortdc);
6597 GEN_TM_NOOP(tabortdci);
6598 GEN_TM_NOOP(tsr);
6599 static inline void gen_cp_abort(DisasContext *ctx)
6600 {
6601 // Do Nothing
6602 }
6603
6604 #define GEN_CP_PASTE_NOOP(name) \
6605 static inline void gen_##name(DisasContext *ctx) \
6606 { \
6607 /* Generate invalid exception until \
6608 * we have an implementation of the copy \
6609 * paste facility \
6610 */ \
6611 gen_invalid(ctx); \
6612 }
6613
6614 GEN_CP_PASTE_NOOP(copy)
6615 GEN_CP_PASTE_NOOP(paste)
6616
6617 static void gen_tcheck(DisasContext *ctx)
6618 {
6619 if (unlikely(!ctx->tm_enabled)) {
6620 gen_exception_err(ctx, POWERPC_EXCP_FU, FSCR_IC_TM);
6621 return;
6622 }
6623 /* Because tbegin always fails, the tcheck implementation
6624 * is simple:
6625 *
6626 * CR[CRF] = TDOOMED || MSR[TS] || 0b0
6627 * = 0b1 || 0b00 || 0b0
6628 */
6629 tcg_gen_movi_i32(cpu_crf[crfD(ctx->opcode)], 0x8);
6630 }
6631
6632 #if defined(CONFIG_USER_ONLY)
6633 #define GEN_TM_PRIV_NOOP(name) \
6634 static inline void gen_##name(DisasContext *ctx) \
6635 { \
6636 gen_priv_exception(ctx, POWERPC_EXCP_PRIV_OPC); \
6637 }
6638
6639 #else
6640
6641 #define GEN_TM_PRIV_NOOP(name) \
6642 static inline void gen_##name(DisasContext *ctx) \
6643 { \
6644 CHK_SV; \
6645 if (unlikely(!ctx->tm_enabled)) { \
6646 gen_exception_err(ctx, POWERPC_EXCP_FU, FSCR_IC_TM); \
6647 return; \
6648 } \
6649 /* Because tbegin always fails, the implementation is \
6650 * simple: \
6651 * \
6652 * CR[0] = 0b0 || MSR[TS] || 0b0 \
6653 * = 0b0 || 0b00 | 0b0 \
6654 */ \
6655 tcg_gen_movi_i32(cpu_crf[0], 0); \
6656 }
6657
6658 #endif
6659
6660 GEN_TM_PRIV_NOOP(treclaim);
6661 GEN_TM_PRIV_NOOP(trechkpt);
6662
6663 static inline void get_fpr(TCGv_i64 dst, int regno)
6664 {
6665 tcg_gen_ld_i64(dst, cpu_env, offsetof(CPUPPCState, vsr[regno].u64[0]));
6666 }
6667
6668 static inline void set_fpr(int regno, TCGv_i64 src)
6669 {
6670 tcg_gen_st_i64(src, cpu_env, offsetof(CPUPPCState, vsr[regno].u64[0]));
6671 }
6672
6673 static inline void get_avr64(TCGv_i64 dst, int regno, bool high)
6674 {
6675 #ifdef HOST_WORDS_BIGENDIAN
6676 tcg_gen_ld_i64(dst, cpu_env, offsetof(CPUPPCState,
6677 vsr[32 + regno].u64[(high ? 0 : 1)]));
6678 #else
6679 tcg_gen_ld_i64(dst, cpu_env, offsetof(CPUPPCState,
6680 vsr[32 + regno].u64[(high ? 1 : 0)]));
6681 #endif
6682 }
6683
6684 static inline void set_avr64(int regno, TCGv_i64 src, bool high)
6685 {
6686 #ifdef HOST_WORDS_BIGENDIAN
6687 tcg_gen_st_i64(src, cpu_env, offsetof(CPUPPCState,
6688 vsr[32 + regno].u64[(high ? 0 : 1)]));
6689 #else
6690 tcg_gen_st_i64(src, cpu_env, offsetof(CPUPPCState,
6691 vsr[32 + regno].u64[(high ? 1 : 0)]));
6692 #endif
6693 }
6694
6695 #include "translate/fp-impl.inc.c"
6696
6697 #include "translate/vmx-impl.inc.c"
6698
6699 #include "translate/vsx-impl.inc.c"
6700
6701 #include "translate/dfp-impl.inc.c"
6702
6703 #include "translate/spe-impl.inc.c"
6704
6705 /* Handles lfdp, lxsd, lxssp */
6706 static void gen_dform39(DisasContext *ctx)
6707 {
6708 switch (ctx->opcode & 0x3) {
6709 case 0: /* lfdp */
6710 if (ctx->insns_flags2 & PPC2_ISA205) {
6711 return gen_lfdp(ctx);
6712 }
6713 break;
6714 case 2: /* lxsd */
6715 if (ctx->insns_flags2 & PPC2_ISA300) {
6716 return gen_lxsd(ctx);
6717 }
6718 break;
6719 case 3: /* lxssp */
6720 if (ctx->insns_flags2 & PPC2_ISA300) {
6721 return gen_lxssp(ctx);
6722 }
6723 break;
6724 }
6725 return gen_invalid(ctx);
6726 }
6727
6728 /* handles stfdp, lxv, stxsd, stxssp lxvx */
6729 static void gen_dform3D(DisasContext *ctx)
6730 {
6731 if ((ctx->opcode & 3) == 1) { /* DQ-FORM */
6732 switch (ctx->opcode & 0x7) {
6733 case 1: /* lxv */
6734 if (ctx->insns_flags2 & PPC2_ISA300) {
6735 return gen_lxv(ctx);
6736 }
6737 break;
6738 case 5: /* stxv */
6739 if (ctx->insns_flags2 & PPC2_ISA300) {
6740 return gen_stxv(ctx);
6741 }
6742 break;
6743 }
6744 } else { /* DS-FORM */
6745 switch (ctx->opcode & 0x3) {
6746 case 0: /* stfdp */
6747 if (ctx->insns_flags2 & PPC2_ISA205) {
6748 return gen_stfdp(ctx);
6749 }
6750 break;
6751 case 2: /* stxsd */
6752 if (ctx->insns_flags2 & PPC2_ISA300) {
6753 return gen_stxsd(ctx);
6754 }
6755 break;
6756 case 3: /* stxssp */
6757 if (ctx->insns_flags2 & PPC2_ISA300) {
6758 return gen_stxssp(ctx);
6759 }
6760 break;
6761 }
6762 }
6763 return gen_invalid(ctx);
6764 }
6765
6766 static opcode_t opcodes[] = {
6767 GEN_HANDLER(invalid, 0x00, 0x00, 0x00, 0xFFFFFFFF, PPC_NONE),
6768 GEN_HANDLER(cmp, 0x1F, 0x00, 0x00, 0x00400000, PPC_INTEGER),
6769 GEN_HANDLER(cmpi, 0x0B, 0xFF, 0xFF, 0x00400000, PPC_INTEGER),
6770 GEN_HANDLER(cmpl, 0x1F, 0x00, 0x01, 0x00400001, PPC_INTEGER),
6771 GEN_HANDLER(cmpli, 0x0A, 0xFF, 0xFF, 0x00400000, PPC_INTEGER),
6772 #if defined(TARGET_PPC64)
6773 GEN_HANDLER_E(cmpeqb, 0x1F, 0x00, 0x07, 0x00600000, PPC_NONE, PPC2_ISA300),
6774 #endif
6775 GEN_HANDLER_E(cmpb, 0x1F, 0x1C, 0x0F, 0x00000001, PPC_NONE, PPC2_ISA205),
6776 GEN_HANDLER_E(cmprb, 0x1F, 0x00, 0x06, 0x00400001, PPC_NONE, PPC2_ISA300),
6777 GEN_HANDLER(isel, 0x1F, 0x0F, 0xFF, 0x00000001, PPC_ISEL),
6778 GEN_HANDLER(addi, 0x0E, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6779 GEN_HANDLER(addic, 0x0C, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6780 GEN_HANDLER2(addic_, "addic.", 0x0D, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6781 GEN_HANDLER(addis, 0x0F, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6782 GEN_HANDLER_E(addpcis, 0x13, 0x2, 0xFF, 0x00000000, PPC_NONE, PPC2_ISA300),
6783 GEN_HANDLER(mulhw, 0x1F, 0x0B, 0x02, 0x00000400, PPC_INTEGER),
6784 GEN_HANDLER(mulhwu, 0x1F, 0x0B, 0x00, 0x00000400, PPC_INTEGER),
6785 GEN_HANDLER(mullw, 0x1F, 0x0B, 0x07, 0x00000000, PPC_INTEGER),
6786 GEN_HANDLER(mullwo, 0x1F, 0x0B, 0x17, 0x00000000, PPC_INTEGER),
6787 GEN_HANDLER(mulli, 0x07, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6788 #if defined(TARGET_PPC64)
6789 GEN_HANDLER(mulld, 0x1F, 0x09, 0x07, 0x00000000, PPC_64B),
6790 #endif
6791 GEN_HANDLER(neg, 0x1F, 0x08, 0x03, 0x0000F800, PPC_INTEGER),
6792 GEN_HANDLER(nego, 0x1F, 0x08, 0x13, 0x0000F800, PPC_INTEGER),
6793 GEN_HANDLER(subfic, 0x08, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6794 GEN_HANDLER2(andi_, "andi.", 0x1C, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6795 GEN_HANDLER2(andis_, "andis.", 0x1D, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6796 GEN_HANDLER(cntlzw, 0x1F, 0x1A, 0x00, 0x00000000, PPC_INTEGER),
6797 GEN_HANDLER_E(cnttzw, 0x1F, 0x1A, 0x10, 0x00000000, PPC_NONE, PPC2_ISA300),
6798 GEN_HANDLER_E(copy, 0x1F, 0x06, 0x18, 0x03C00001, PPC_NONE, PPC2_ISA300),
6799 GEN_HANDLER_E(cp_abort, 0x1F, 0x06, 0x1A, 0x03FFF801, PPC_NONE, PPC2_ISA300),
6800 GEN_HANDLER_E(paste, 0x1F, 0x06, 0x1C, 0x03C00000, PPC_NONE, PPC2_ISA300),
6801 GEN_HANDLER(or, 0x1F, 0x1C, 0x0D, 0x00000000, PPC_INTEGER),
6802 GEN_HANDLER(xor, 0x1F, 0x1C, 0x09, 0x00000000, PPC_INTEGER),
6803 GEN_HANDLER(ori, 0x18, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6804 GEN_HANDLER(oris, 0x19, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6805 GEN_HANDLER(xori, 0x1A, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6806 GEN_HANDLER(xoris, 0x1B, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6807 GEN_HANDLER(popcntb, 0x1F, 0x1A, 0x03, 0x0000F801, PPC_POPCNTB),
6808 GEN_HANDLER(popcntw, 0x1F, 0x1A, 0x0b, 0x0000F801, PPC_POPCNTWD),
6809 GEN_HANDLER_E(prtyw, 0x1F, 0x1A, 0x04, 0x0000F801, PPC_NONE, PPC2_ISA205),
6810 #if defined(TARGET_PPC64)
6811 GEN_HANDLER(popcntd, 0x1F, 0x1A, 0x0F, 0x0000F801, PPC_POPCNTWD),
6812 GEN_HANDLER(cntlzd, 0x1F, 0x1A, 0x01, 0x00000000, PPC_64B),
6813 GEN_HANDLER_E(cnttzd, 0x1F, 0x1A, 0x11, 0x00000000, PPC_NONE, PPC2_ISA300),
6814 GEN_HANDLER_E(darn, 0x1F, 0x13, 0x17, 0x001CF801, PPC_NONE, PPC2_ISA300),
6815 GEN_HANDLER_E(prtyd, 0x1F, 0x1A, 0x05, 0x0000F801, PPC_NONE, PPC2_ISA205),
6816 GEN_HANDLER_E(bpermd, 0x1F, 0x1C, 0x07, 0x00000001, PPC_NONE, PPC2_PERM_ISA206),
6817 #endif
6818 GEN_HANDLER(rlwimi, 0x14, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6819 GEN_HANDLER(rlwinm, 0x15, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6820 GEN_HANDLER(rlwnm, 0x17, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6821 GEN_HANDLER(slw, 0x1F, 0x18, 0x00, 0x00000000, PPC_INTEGER),
6822 GEN_HANDLER(sraw, 0x1F, 0x18, 0x18, 0x00000000, PPC_INTEGER),
6823 GEN_HANDLER(srawi, 0x1F, 0x18, 0x19, 0x00000000, PPC_INTEGER),
6824 GEN_HANDLER(srw, 0x1F, 0x18, 0x10, 0x00000000, PPC_INTEGER),
6825 #if defined(TARGET_PPC64)
6826 GEN_HANDLER(sld, 0x1F, 0x1B, 0x00, 0x00000000, PPC_64B),
6827 GEN_HANDLER(srad, 0x1F, 0x1A, 0x18, 0x00000000, PPC_64B),
6828 GEN_HANDLER2(sradi0, "sradi", 0x1F, 0x1A, 0x19, 0x00000000, PPC_64B),
6829 GEN_HANDLER2(sradi1, "sradi", 0x1F, 0x1B, 0x19, 0x00000000, PPC_64B),
6830 GEN_HANDLER(srd, 0x1F, 0x1B, 0x10, 0x00000000, PPC_64B),
6831 GEN_HANDLER2_E(extswsli0, "extswsli", 0x1F, 0x1A, 0x1B, 0x00000000,
6832 PPC_NONE, PPC2_ISA300),
6833 GEN_HANDLER2_E(extswsli1, "extswsli", 0x1F, 0x1B, 0x1B, 0x00000000,
6834 PPC_NONE, PPC2_ISA300),
6835 #endif
6836 #if defined(TARGET_PPC64)
6837 GEN_HANDLER(ld, 0x3A, 0xFF, 0xFF, 0x00000000, PPC_64B),
6838 GEN_HANDLER(lq, 0x38, 0xFF, 0xFF, 0x00000000, PPC_64BX),
6839 GEN_HANDLER(std, 0x3E, 0xFF, 0xFF, 0x00000000, PPC_64B),
6840 #endif
6841 /* handles lfdp, lxsd, lxssp */
6842 GEN_HANDLER_E(dform39, 0x39, 0xFF, 0xFF, 0x00000000, PPC_NONE, PPC2_ISA205),
6843 /* handles stfdp, lxv, stxsd, stxssp, stxv */
6844 GEN_HANDLER_E(dform3D, 0x3D, 0xFF, 0xFF, 0x00000000, PPC_NONE, PPC2_ISA205),
6845 GEN_HANDLER(lmw, 0x2E, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6846 GEN_HANDLER(stmw, 0x2F, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
6847 GEN_HANDLER(lswi, 0x1F, 0x15, 0x12, 0x00000001, PPC_STRING),
6848 GEN_HANDLER(lswx, 0x1F, 0x15, 0x10, 0x00000001, PPC_STRING),
6849 GEN_HANDLER(stswi, 0x1F, 0x15, 0x16, 0x00000001, PPC_STRING),
6850 GEN_HANDLER(stswx, 0x1F, 0x15, 0x14, 0x00000001, PPC_STRING),
6851 GEN_HANDLER(eieio, 0x1F, 0x16, 0x1A, 0x01FFF801, PPC_MEM_EIEIO),
6852 GEN_HANDLER(isync, 0x13, 0x16, 0x04, 0x03FFF801, PPC_MEM),
6853 GEN_HANDLER_E(lbarx, 0x1F, 0x14, 0x01, 0, PPC_NONE, PPC2_ATOMIC_ISA206),
6854 GEN_HANDLER_E(lharx, 0x1F, 0x14, 0x03, 0, PPC_NONE, PPC2_ATOMIC_ISA206),
6855 GEN_HANDLER(lwarx, 0x1F, 0x14, 0x00, 0x00000000, PPC_RES),
6856 GEN_HANDLER_E(lwat, 0x1F, 0x06, 0x12, 0x00000001, PPC_NONE, PPC2_ISA300),
6857 GEN_HANDLER_E(stwat, 0x1F, 0x06, 0x16, 0x00000001, PPC_NONE, PPC2_ISA300),
6858 GEN_HANDLER_E(stbcx_, 0x1F, 0x16, 0x15, 0, PPC_NONE, PPC2_ATOMIC_ISA206),
6859 GEN_HANDLER_E(sthcx_, 0x1F, 0x16, 0x16, 0, PPC_NONE, PPC2_ATOMIC_ISA206),
6860 GEN_HANDLER2(stwcx_, "stwcx.", 0x1F, 0x16, 0x04, 0x00000000, PPC_RES),
6861 #if defined(TARGET_PPC64)
6862 GEN_HANDLER_E(ldat, 0x1F, 0x06, 0x13, 0x00000001, PPC_NONE, PPC2_ISA300),
6863 GEN_HANDLER_E(stdat, 0x1F, 0x06, 0x17, 0x00000001, PPC_NONE, PPC2_ISA300),
6864 GEN_HANDLER(ldarx, 0x1F, 0x14, 0x02, 0x00000000, PPC_64B),
6865 GEN_HANDLER_E(lqarx, 0x1F, 0x14, 0x08, 0, PPC_NONE, PPC2_LSQ_ISA207),
6866 GEN_HANDLER2(stdcx_, "stdcx.", 0x1F, 0x16, 0x06, 0x00000000, PPC_64B),
6867 GEN_HANDLER_E(stqcx_, 0x1F, 0x16, 0x05, 0, PPC_NONE, PPC2_LSQ_ISA207),
6868 #endif
6869 GEN_HANDLER(sync, 0x1F, 0x16, 0x12, 0x039FF801, PPC_MEM_SYNC),
6870 GEN_HANDLER(wait, 0x1F, 0x1E, 0x01, 0x03FFF801, PPC_WAIT),
6871 GEN_HANDLER_E(wait, 0x1F, 0x1E, 0x00, 0x039FF801, PPC_NONE, PPC2_ISA300),
6872 GEN_HANDLER(b, 0x12, 0xFF, 0xFF, 0x00000000, PPC_FLOW),
6873 GEN_HANDLER(bc, 0x10, 0xFF, 0xFF, 0x00000000, PPC_FLOW),
6874 GEN_HANDLER(bcctr, 0x13, 0x10, 0x10, 0x00000000, PPC_FLOW),
6875 GEN_HANDLER(bclr, 0x13, 0x10, 0x00, 0x00000000, PPC_FLOW),
6876 GEN_HANDLER_E(bctar, 0x13, 0x10, 0x11, 0x0000E000, PPC_NONE, PPC2_BCTAR_ISA207),
6877 GEN_HANDLER(mcrf, 0x13, 0x00, 0xFF, 0x00000001, PPC_INTEGER),
6878 GEN_HANDLER(rfi, 0x13, 0x12, 0x01, 0x03FF8001, PPC_FLOW),
6879 #if defined(TARGET_PPC64)
6880 GEN_HANDLER(rfid, 0x13, 0x12, 0x00, 0x03FF8001, PPC_64B),
6881 GEN_HANDLER_E(stop, 0x13, 0x12, 0x0b, 0x03FFF801, PPC_NONE, PPC2_ISA300),
6882 GEN_HANDLER_E(doze, 0x13, 0x12, 0x0c, 0x03FFF801, PPC_NONE, PPC2_PM_ISA206),
6883 GEN_HANDLER_E(nap, 0x13, 0x12, 0x0d, 0x03FFF801, PPC_NONE, PPC2_PM_ISA206),
6884 GEN_HANDLER_E(sleep, 0x13, 0x12, 0x0e, 0x03FFF801, PPC_NONE, PPC2_PM_ISA206),
6885 GEN_HANDLER_E(rvwinkle, 0x13, 0x12, 0x0f, 0x03FFF801, PPC_NONE, PPC2_PM_ISA206),
6886 GEN_HANDLER(hrfid, 0x13, 0x12, 0x08, 0x03FF8001, PPC_64H),
6887 #endif
6888 GEN_HANDLER(sc, 0x11, 0xFF, 0xFF, 0x03FFF01D, PPC_FLOW),
6889 GEN_HANDLER(tw, 0x1F, 0x04, 0x00, 0x00000001, PPC_FLOW),
6890 GEN_HANDLER(twi, 0x03, 0xFF, 0xFF, 0x00000000, PPC_FLOW),
6891 #if defined(TARGET_PPC64)
6892 GEN_HANDLER(td, 0x1F, 0x04, 0x02, 0x00000001, PPC_64B),
6893 GEN_HANDLER(tdi, 0x02, 0xFF, 0xFF, 0x00000000, PPC_64B),
6894 #endif
6895 GEN_HANDLER(mcrxr, 0x1F, 0x00, 0x10, 0x007FF801, PPC_MISC),
6896 GEN_HANDLER(mfcr, 0x1F, 0x13, 0x00, 0x00000801, PPC_MISC),
6897 GEN_HANDLER(mfmsr, 0x1F, 0x13, 0x02, 0x001FF801, PPC_MISC),
6898 GEN_HANDLER(mfspr, 0x1F, 0x13, 0x0A, 0x00000001, PPC_MISC),
6899 GEN_HANDLER(mftb, 0x1F, 0x13, 0x0B, 0x00000001, PPC_MFTB),
6900 GEN_HANDLER(mtcrf, 0x1F, 0x10, 0x04, 0x00000801, PPC_MISC),
6901 #if defined(TARGET_PPC64)
6902 GEN_HANDLER(mtmsrd, 0x1F, 0x12, 0x05, 0x001EF801, PPC_64B),
6903 GEN_HANDLER_E(setb, 0x1F, 0x00, 0x04, 0x0003F801, PPC_NONE, PPC2_ISA300),
6904 GEN_HANDLER_E(mcrxrx, 0x1F, 0x00, 0x12, 0x007FF801, PPC_NONE, PPC2_ISA300),
6905 #endif
6906 GEN_HANDLER(mtmsr, 0x1F, 0x12, 0x04, 0x001EF801, PPC_MISC),
6907 GEN_HANDLER(mtspr, 0x1F, 0x13, 0x0E, 0x00000000, PPC_MISC),
6908 GEN_HANDLER(dcbf, 0x1F, 0x16, 0x02, 0x03C00001, PPC_CACHE),
6909 GEN_HANDLER_E(dcbfep, 0x1F, 0x1F, 0x03, 0x03C00001, PPC_NONE, PPC2_BOOKE206),
6910 GEN_HANDLER(dcbi, 0x1F, 0x16, 0x0E, 0x03E00001, PPC_CACHE),
6911 GEN_HANDLER(dcbst, 0x1F, 0x16, 0x01, 0x03E00001, PPC_CACHE),
6912 GEN_HANDLER_E(dcbstep, 0x1F, 0x1F, 0x01, 0x03E00001, PPC_NONE, PPC2_BOOKE206),
6913 GEN_HANDLER(dcbt, 0x1F, 0x16, 0x08, 0x00000001, PPC_CACHE),
6914 GEN_HANDLER_E(dcbtep, 0x1F, 0x1F, 0x09, 0x00000001, PPC_NONE, PPC2_BOOKE206),
6915 GEN_HANDLER(dcbtst, 0x1F, 0x16, 0x07, 0x00000001, PPC_CACHE),
6916 GEN_HANDLER_E(dcbtstep, 0x1F, 0x1F, 0x07, 0x00000001, PPC_NONE, PPC2_BOOKE206),
6917 GEN_HANDLER_E(dcbtls, 0x1F, 0x06, 0x05, 0x02000001, PPC_BOOKE, PPC2_BOOKE206),
6918 GEN_HANDLER(dcbz, 0x1F, 0x16, 0x1F, 0x03C00001, PPC_CACHE_DCBZ),
6919 GEN_HANDLER_E(dcbzep, 0x1F, 0x1F, 0x1F, 0x03C00001, PPC_NONE, PPC2_BOOKE206),
6920 GEN_HANDLER(dst, 0x1F, 0x16, 0x0A, 0x01800001, PPC_ALTIVEC),
6921 GEN_HANDLER(dstst, 0x1F, 0x16, 0x0B, 0x01800001, PPC_ALTIVEC),
6922 GEN_HANDLER(dss, 0x1F, 0x16, 0x19, 0x019FF801, PPC_ALTIVEC),
6923 GEN_HANDLER(icbi, 0x1F, 0x16, 0x1E, 0x03E00001, PPC_CACHE_ICBI),
6924 GEN_HANDLER_E(icbiep, 0x1F, 0x1F, 0x1E, 0x03E00001, PPC_NONE, PPC2_BOOKE206),
6925 GEN_HANDLER(dcba, 0x1F, 0x16, 0x17, 0x03E00001, PPC_CACHE_DCBA),
6926 GEN_HANDLER(mfsr, 0x1F, 0x13, 0x12, 0x0010F801, PPC_SEGMENT),
6927 GEN_HANDLER(mfsrin, 0x1F, 0x13, 0x14, 0x001F0001, PPC_SEGMENT),
6928 GEN_HANDLER(mtsr, 0x1F, 0x12, 0x06, 0x0010F801, PPC_SEGMENT),
6929 GEN_HANDLER(mtsrin, 0x1F, 0x12, 0x07, 0x001F0001, PPC_SEGMENT),
6930 #if defined(TARGET_PPC64)
6931 GEN_HANDLER2(mfsr_64b, "mfsr", 0x1F, 0x13, 0x12, 0x0010F801, PPC_SEGMENT_64B),
6932 GEN_HANDLER2(mfsrin_64b, "mfsrin", 0x1F, 0x13, 0x14, 0x001F0001,
6933 PPC_SEGMENT_64B),
6934 GEN_HANDLER2(mtsr_64b, "mtsr", 0x1F, 0x12, 0x06, 0x0010F801, PPC_SEGMENT_64B),
6935 GEN_HANDLER2(mtsrin_64b, "mtsrin", 0x1F, 0x12, 0x07, 0x001F0001,
6936 PPC_SEGMENT_64B),
6937 GEN_HANDLER2(slbmte, "slbmte", 0x1F, 0x12, 0x0C, 0x001F0001, PPC_SEGMENT_64B),
6938 GEN_HANDLER2(slbmfee, "slbmfee", 0x1F, 0x13, 0x1C, 0x001F0001, PPC_SEGMENT_64B),
6939 GEN_HANDLER2(slbmfev, "slbmfev", 0x1F, 0x13, 0x1A, 0x001F0001, PPC_SEGMENT_64B),
6940 GEN_HANDLER2(slbfee_, "slbfee.", 0x1F, 0x13, 0x1E, 0x001F0000, PPC_SEGMENT_64B),
6941 #endif
6942 GEN_HANDLER(tlbia, 0x1F, 0x12, 0x0B, 0x03FFFC01, PPC_MEM_TLBIA),
6943 /* XXX Those instructions will need to be handled differently for
6944 * different ISA versions */
6945 GEN_HANDLER(tlbiel, 0x1F, 0x12, 0x08, 0x001F0001, PPC_MEM_TLBIE),
6946 GEN_HANDLER(tlbie, 0x1F, 0x12, 0x09, 0x001F0001, PPC_MEM_TLBIE),
6947 GEN_HANDLER_E(tlbiel, 0x1F, 0x12, 0x08, 0x00100001, PPC_NONE, PPC2_ISA300),
6948 GEN_HANDLER_E(tlbie, 0x1F, 0x12, 0x09, 0x00100001, PPC_NONE, PPC2_ISA300),
6949 GEN_HANDLER(tlbsync, 0x1F, 0x16, 0x11, 0x03FFF801, PPC_MEM_TLBSYNC),
6950 #if defined(TARGET_PPC64)
6951 GEN_HANDLER(slbia, 0x1F, 0x12, 0x0F, 0x031FFC01, PPC_SLBI),
6952 GEN_HANDLER(slbie, 0x1F, 0x12, 0x0D, 0x03FF0001, PPC_SLBI),
6953 GEN_HANDLER_E(slbieg, 0x1F, 0x12, 0x0E, 0x001F0001, PPC_NONE, PPC2_ISA300),
6954 GEN_HANDLER_E(slbsync, 0x1F, 0x12, 0x0A, 0x03FFF801, PPC_NONE, PPC2_ISA300),
6955 #endif
6956 GEN_HANDLER(eciwx, 0x1F, 0x16, 0x0D, 0x00000001, PPC_EXTERN),
6957 GEN_HANDLER(ecowx, 0x1F, 0x16, 0x09, 0x00000001, PPC_EXTERN),
6958 GEN_HANDLER(abs, 0x1F, 0x08, 0x0B, 0x0000F800, PPC_POWER_BR),
6959 GEN_HANDLER(abso, 0x1F, 0x08, 0x1B, 0x0000F800, PPC_POWER_BR),
6960 GEN_HANDLER(clcs, 0x1F, 0x10, 0x13, 0x0000F800, PPC_POWER_BR),
6961 GEN_HANDLER(div, 0x1F, 0x0B, 0x0A, 0x00000000, PPC_POWER_BR),
6962 GEN_HANDLER(divo, 0x1F, 0x0B, 0x1A, 0x00000000, PPC_POWER_BR),
6963 GEN_HANDLER(divs, 0x1F, 0x0B, 0x0B, 0x00000000, PPC_POWER_BR),
6964 GEN_HANDLER(divso, 0x1F, 0x0B, 0x1B, 0x00000000, PPC_POWER_BR),
6965 GEN_HANDLER(doz, 0x1F, 0x08, 0x08, 0x00000000, PPC_POWER_BR),
6966 GEN_HANDLER(dozo, 0x1F, 0x08, 0x18, 0x00000000, PPC_POWER_BR),
6967 GEN_HANDLER(dozi, 0x09, 0xFF, 0xFF, 0x00000000, PPC_POWER_BR),
6968 GEN_HANDLER(lscbx, 0x1F, 0x15, 0x08, 0x00000000, PPC_POWER_BR),
6969 GEN_HANDLER(maskg, 0x1F, 0x1D, 0x00, 0x00000000, PPC_POWER_BR),
6970 GEN_HANDLER(maskir, 0x1F, 0x1D, 0x10, 0x00000000, PPC_POWER_BR),
6971 GEN_HANDLER(mul, 0x1F, 0x0B, 0x03, 0x00000000, PPC_POWER_BR),
6972 GEN_HANDLER(mulo, 0x1F, 0x0B, 0x13, 0x00000000, PPC_POWER_BR),
6973 GEN_HANDLER(nabs, 0x1F, 0x08, 0x0F, 0x00000000, PPC_POWER_BR),
6974 GEN_HANDLER(nabso, 0x1F, 0x08, 0x1F, 0x00000000, PPC_POWER_BR),
6975 GEN_HANDLER(rlmi, 0x16, 0xFF, 0xFF, 0x00000000, PPC_POWER_BR),
6976 GEN_HANDLER(rrib, 0x1F, 0x19, 0x10, 0x00000000, PPC_POWER_BR),
6977 GEN_HANDLER(sle, 0x1F, 0x19, 0x04, 0x00000000, PPC_POWER_BR),
6978 GEN_HANDLER(sleq, 0x1F, 0x19, 0x06, 0x00000000, PPC_POWER_BR),
6979 GEN_HANDLER(sliq, 0x1F, 0x18, 0x05, 0x00000000, PPC_POWER_BR),
6980 GEN_HANDLER(slliq, 0x1F, 0x18, 0x07, 0x00000000, PPC_POWER_BR),
6981 GEN_HANDLER(sllq, 0x1F, 0x18, 0x06, 0x00000000, PPC_POWER_BR),
6982 GEN_HANDLER(slq, 0x1F, 0x18, 0x04, 0x00000000, PPC_POWER_BR),
6983 GEN_HANDLER(sraiq, 0x1F, 0x18, 0x1D, 0x00000000, PPC_POWER_BR),
6984 GEN_HANDLER(sraq, 0x1F, 0x18, 0x1C, 0x00000000, PPC_POWER_BR),
6985 GEN_HANDLER(sre, 0x1F, 0x19, 0x14, 0x00000000, PPC_POWER_BR),
6986 GEN_HANDLER(srea, 0x1F, 0x19, 0x1C, 0x00000000, PPC_POWER_BR),
6987 GEN_HANDLER(sreq, 0x1F, 0x19, 0x16, 0x00000000, PPC_POWER_BR),
6988 GEN_HANDLER(sriq, 0x1F, 0x18, 0x15, 0x00000000, PPC_POWER_BR),
6989 GEN_HANDLER(srliq, 0x1F, 0x18, 0x17, 0x00000000, PPC_POWER_BR),
6990 GEN_HANDLER(srlq, 0x1F, 0x18, 0x16, 0x00000000, PPC_POWER_BR),
6991 GEN_HANDLER(srq, 0x1F, 0x18, 0x14, 0x00000000, PPC_POWER_BR),
6992 GEN_HANDLER(dsa, 0x1F, 0x14, 0x13, 0x03FFF801, PPC_602_SPEC),
6993 GEN_HANDLER(esa, 0x1F, 0x14, 0x12, 0x03FFF801, PPC_602_SPEC),
6994 GEN_HANDLER(mfrom, 0x1F, 0x09, 0x08, 0x03E0F801, PPC_602_SPEC),
6995 GEN_HANDLER2(tlbld_6xx, "tlbld", 0x1F, 0x12, 0x1E, 0x03FF0001, PPC_6xx_TLB),
6996 GEN_HANDLER2(tlbli_6xx, "tlbli", 0x1F, 0x12, 0x1F, 0x03FF0001, PPC_6xx_TLB),
6997 GEN_HANDLER2(tlbld_74xx, "tlbld", 0x1F, 0x12, 0x1E, 0x03FF0001, PPC_74xx_TLB),
6998 GEN_HANDLER2(tlbli_74xx, "tlbli", 0x1F, 0x12, 0x1F, 0x03FF0001, PPC_74xx_TLB),
6999 GEN_HANDLER(clf, 0x1F, 0x16, 0x03, 0x03E00000, PPC_POWER),
7000 GEN_HANDLER(cli, 0x1F, 0x16, 0x0F, 0x03E00000, PPC_POWER),
7001 GEN_HANDLER(dclst, 0x1F, 0x16, 0x13, 0x03E00000, PPC_POWER),
7002 GEN_HANDLER(mfsri, 0x1F, 0x13, 0x13, 0x00000001, PPC_POWER),
7003 GEN_HANDLER(rac, 0x1F, 0x12, 0x19, 0x00000001, PPC_POWER),
7004 GEN_HANDLER(rfsvc, 0x13, 0x12, 0x02, 0x03FFF0001, PPC_POWER),
7005 GEN_HANDLER(lfq, 0x38, 0xFF, 0xFF, 0x00000003, PPC_POWER2),
7006 GEN_HANDLER(lfqu, 0x39, 0xFF, 0xFF, 0x00000003, PPC_POWER2),
7007 GEN_HANDLER(lfqux, 0x1F, 0x17, 0x19, 0x00000001, PPC_POWER2),
7008 GEN_HANDLER(lfqx, 0x1F, 0x17, 0x18, 0x00000001, PPC_POWER2),
7009 GEN_HANDLER(stfq, 0x3C, 0xFF, 0xFF, 0x00000003, PPC_POWER2),
7010 GEN_HANDLER(stfqu, 0x3D, 0xFF, 0xFF, 0x00000003, PPC_POWER2),
7011 GEN_HANDLER(stfqux, 0x1F, 0x17, 0x1D, 0x00000001, PPC_POWER2),
7012 GEN_HANDLER(stfqx, 0x1F, 0x17, 0x1C, 0x00000001, PPC_POWER2),
7013 GEN_HANDLER(mfapidi, 0x1F, 0x13, 0x08, 0x0000F801, PPC_MFAPIDI),
7014 GEN_HANDLER(tlbiva, 0x1F, 0x12, 0x18, 0x03FFF801, PPC_TLBIVA),
7015 GEN_HANDLER(mfdcr, 0x1F, 0x03, 0x0A, 0x00000001, PPC_DCR),
7016 GEN_HANDLER(mtdcr, 0x1F, 0x03, 0x0E, 0x00000001, PPC_DCR),
7017 GEN_HANDLER(mfdcrx, 0x1F, 0x03, 0x08, 0x00000000, PPC_DCRX),
7018 GEN_HANDLER(mtdcrx, 0x1F, 0x03, 0x0C, 0x00000000, PPC_DCRX),
7019 GEN_HANDLER(mfdcrux, 0x1F, 0x03, 0x09, 0x00000000, PPC_DCRUX),
7020 GEN_HANDLER(mtdcrux, 0x1F, 0x03, 0x0D, 0x00000000, PPC_DCRUX),
7021 GEN_HANDLER(dccci, 0x1F, 0x06, 0x0E, 0x03E00001, PPC_4xx_COMMON),
7022 GEN_HANDLER(dcread, 0x1F, 0x06, 0x0F, 0x00000001, PPC_4xx_COMMON),
7023 GEN_HANDLER2(icbt_40x, "icbt", 0x1F, 0x06, 0x08, 0x03E00001, PPC_40x_ICBT),
7024 GEN_HANDLER(iccci, 0x1F, 0x06, 0x1E, 0x00000001, PPC_4xx_COMMON),
7025 GEN_HANDLER(icread, 0x1F, 0x06, 0x1F, 0x03E00001, PPC_4xx_COMMON),
7026 GEN_HANDLER2(rfci_40x, "rfci", 0x13, 0x13, 0x01, 0x03FF8001, PPC_40x_EXCP),
7027 GEN_HANDLER_E(rfci, 0x13, 0x13, 0x01, 0x03FF8001, PPC_BOOKE, PPC2_BOOKE206),
7028 GEN_HANDLER(rfdi, 0x13, 0x07, 0x01, 0x03FF8001, PPC_RFDI),
7029 GEN_HANDLER(rfmci, 0x13, 0x06, 0x01, 0x03FF8001, PPC_RFMCI),
7030 GEN_HANDLER2(tlbre_40x, "tlbre", 0x1F, 0x12, 0x1D, 0x00000001, PPC_40x_TLB),
7031 GEN_HANDLER2(tlbsx_40x, "tlbsx", 0x1F, 0x12, 0x1C, 0x00000000, PPC_40x_TLB),
7032 GEN_HANDLER2(tlbwe_40x, "tlbwe", 0x1F, 0x12, 0x1E, 0x00000001, PPC_40x_TLB),
7033 GEN_HANDLER2(tlbre_440, "tlbre", 0x1F, 0x12, 0x1D, 0x00000001, PPC_BOOKE),
7034 GEN_HANDLER2(tlbsx_440, "tlbsx", 0x1F, 0x12, 0x1C, 0x00000000, PPC_BOOKE),
7035 GEN_HANDLER2(tlbwe_440, "tlbwe", 0x1F, 0x12, 0x1E, 0x00000001, PPC_BOOKE),
7036 GEN_HANDLER2_E(tlbre_booke206, "tlbre", 0x1F, 0x12, 0x1D, 0x00000001,
7037 PPC_NONE, PPC2_BOOKE206),
7038 GEN_HANDLER2_E(tlbsx_booke206, "tlbsx", 0x1F, 0x12, 0x1C, 0x00000000,
7039 PPC_NONE, PPC2_BOOKE206),
7040 GEN_HANDLER2_E(tlbwe_booke206, "tlbwe", 0x1F, 0x12, 0x1E, 0x00000001,
7041 PPC_NONE, PPC2_BOOKE206),
7042 GEN_HANDLER2_E(tlbivax_booke206, "tlbivax", 0x1F, 0x12, 0x18, 0x00000001,
7043 PPC_NONE, PPC2_BOOKE206),
7044 GEN_HANDLER2_E(tlbilx_booke206, "tlbilx", 0x1F, 0x12, 0x00, 0x03800001,
7045 PPC_NONE, PPC2_BOOKE206),
7046 GEN_HANDLER2_E(msgsnd, "msgsnd", 0x1F, 0x0E, 0x06, 0x03ff0001,
7047 PPC_NONE, PPC2_PRCNTL),
7048 GEN_HANDLER2_E(msgclr, "msgclr", 0x1F, 0x0E, 0x07, 0x03ff0001,
7049 PPC_NONE, PPC2_PRCNTL),
7050 GEN_HANDLER2_E(msgsync, "msgsync", 0x1F, 0x16, 0x1B, 0x00000000,
7051 PPC_NONE, PPC2_PRCNTL),
7052 GEN_HANDLER(wrtee, 0x1F, 0x03, 0x04, 0x000FFC01, PPC_WRTEE),
7053 GEN_HANDLER(wrteei, 0x1F, 0x03, 0x05, 0x000E7C01, PPC_WRTEE),
7054 GEN_HANDLER(dlmzb, 0x1F, 0x0E, 0x02, 0x00000000, PPC_440_SPEC),
7055 GEN_HANDLER_E(mbar, 0x1F, 0x16, 0x1a, 0x001FF801,
7056 PPC_BOOKE, PPC2_BOOKE206),
7057 GEN_HANDLER(msync_4xx, 0x1F, 0x16, 0x12, 0x03FFF801, PPC_BOOKE),
7058 GEN_HANDLER2_E(icbt_440, "icbt", 0x1F, 0x16, 0x00, 0x03E00001,
7059 PPC_BOOKE, PPC2_BOOKE206),
7060 GEN_HANDLER2(icbt_440, "icbt", 0x1F, 0x06, 0x08, 0x03E00001,
7061 PPC_440_SPEC),
7062 GEN_HANDLER(lvsl, 0x1f, 0x06, 0x00, 0x00000001, PPC_ALTIVEC),
7063 GEN_HANDLER(lvsr, 0x1f, 0x06, 0x01, 0x00000001, PPC_ALTIVEC),
7064 GEN_HANDLER(mfvscr, 0x04, 0x2, 0x18, 0x001ff800, PPC_ALTIVEC),
7065 GEN_HANDLER(mtvscr, 0x04, 0x2, 0x19, 0x03ff0000, PPC_ALTIVEC),
7066 GEN_HANDLER(vmladduhm, 0x04, 0x11, 0xFF, 0x00000000, PPC_ALTIVEC),
7067 #if defined(TARGET_PPC64)
7068 GEN_HANDLER_E(maddhd_maddhdu, 0x04, 0x18, 0xFF, 0x00000000, PPC_NONE,
7069 PPC2_ISA300),
7070 GEN_HANDLER_E(maddld, 0x04, 0x19, 0xFF, 0x00000000, PPC_NONE, PPC2_ISA300),
7071 #endif
7072
7073 #undef GEN_INT_ARITH_ADD
7074 #undef GEN_INT_ARITH_ADD_CONST
7075 #define GEN_INT_ARITH_ADD(name, opc3, add_ca, compute_ca, compute_ov) \
7076 GEN_HANDLER(name, 0x1F, 0x0A, opc3, 0x00000000, PPC_INTEGER),
7077 #define GEN_INT_ARITH_ADD_CONST(name, opc3, const_val, \
7078 add_ca, compute_ca, compute_ov) \
7079 GEN_HANDLER(name, 0x1F, 0x0A, opc3, 0x0000F800, PPC_INTEGER),
7080 GEN_INT_ARITH_ADD(add, 0x08, 0, 0, 0)
7081 GEN_INT_ARITH_ADD(addo, 0x18, 0, 0, 1)
7082 GEN_INT_ARITH_ADD(addc, 0x00, 0, 1, 0)
7083 GEN_INT_ARITH_ADD(addco, 0x10, 0, 1, 1)
7084 GEN_INT_ARITH_ADD(adde, 0x04, 1, 1, 0)
7085 GEN_INT_ARITH_ADD(addeo, 0x14, 1, 1, 1)
7086 GEN_INT_ARITH_ADD_CONST(addme, 0x07, -1LL, 1, 1, 0)
7087 GEN_INT_ARITH_ADD_CONST(addmeo, 0x17, -1LL, 1, 1, 1)
7088 GEN_HANDLER_E(addex, 0x1F, 0x0A, 0x05, 0x00000000, PPC_NONE, PPC2_ISA300),
7089 GEN_INT_ARITH_ADD_CONST(addze, 0x06, 0, 1, 1, 0)
7090 GEN_INT_ARITH_ADD_CONST(addzeo, 0x16, 0, 1, 1, 1)
7091
7092 #undef GEN_INT_ARITH_DIVW
7093 #define GEN_INT_ARITH_DIVW(name, opc3, sign, compute_ov) \
7094 GEN_HANDLER(name, 0x1F, 0x0B, opc3, 0x00000000, PPC_INTEGER)
7095 GEN_INT_ARITH_DIVW(divwu, 0x0E, 0, 0),
7096 GEN_INT_ARITH_DIVW(divwuo, 0x1E, 0, 1),
7097 GEN_INT_ARITH_DIVW(divw, 0x0F, 1, 0),
7098 GEN_INT_ARITH_DIVW(divwo, 0x1F, 1, 1),
7099 GEN_HANDLER_E(divwe, 0x1F, 0x0B, 0x0D, 0, PPC_NONE, PPC2_DIVE_ISA206),
7100 GEN_HANDLER_E(divweo, 0x1F, 0x0B, 0x1D, 0, PPC_NONE, PPC2_DIVE_ISA206),
7101 GEN_HANDLER_E(divweu, 0x1F, 0x0B, 0x0C, 0, PPC_NONE, PPC2_DIVE_ISA206),
7102 GEN_HANDLER_E(divweuo, 0x1F, 0x0B, 0x1C, 0, PPC_NONE, PPC2_DIVE_ISA206),
7103 GEN_HANDLER_E(modsw, 0x1F, 0x0B, 0x18, 0x00000001, PPC_NONE, PPC2_ISA300),
7104 GEN_HANDLER_E(moduw, 0x1F, 0x0B, 0x08, 0x00000001, PPC_NONE, PPC2_ISA300),
7105
7106 #if defined(TARGET_PPC64)
7107 #undef GEN_INT_ARITH_DIVD
7108 #define GEN_INT_ARITH_DIVD(name, opc3, sign, compute_ov) \
7109 GEN_HANDLER(name, 0x1F, 0x09, opc3, 0x00000000, PPC_64B)
7110 GEN_INT_ARITH_DIVD(divdu, 0x0E, 0, 0),
7111 GEN_INT_ARITH_DIVD(divduo, 0x1E, 0, 1),
7112 GEN_INT_ARITH_DIVD(divd, 0x0F, 1, 0),
7113 GEN_INT_ARITH_DIVD(divdo, 0x1F, 1, 1),
7114
7115 GEN_HANDLER_E(divdeu, 0x1F, 0x09, 0x0C, 0, PPC_NONE, PPC2_DIVE_ISA206),
7116 GEN_HANDLER_E(divdeuo, 0x1F, 0x09, 0x1C, 0, PPC_NONE, PPC2_DIVE_ISA206),
7117 GEN_HANDLER_E(divde, 0x1F, 0x09, 0x0D, 0, PPC_NONE, PPC2_DIVE_ISA206),
7118 GEN_HANDLER_E(divdeo, 0x1F, 0x09, 0x1D, 0, PPC_NONE, PPC2_DIVE_ISA206),
7119 GEN_HANDLER_E(modsd, 0x1F, 0x09, 0x18, 0x00000001, PPC_NONE, PPC2_ISA300),
7120 GEN_HANDLER_E(modud, 0x1F, 0x09, 0x08, 0x00000001, PPC_NONE, PPC2_ISA300),
7121
7122 #undef GEN_INT_ARITH_MUL_HELPER
7123 #define GEN_INT_ARITH_MUL_HELPER(name, opc3) \
7124 GEN_HANDLER(name, 0x1F, 0x09, opc3, 0x00000000, PPC_64B)
7125 GEN_INT_ARITH_MUL_HELPER(mulhdu, 0x00),
7126 GEN_INT_ARITH_MUL_HELPER(mulhd, 0x02),
7127 GEN_INT_ARITH_MUL_HELPER(mulldo, 0x17),
7128 #endif
7129
7130 #undef GEN_INT_ARITH_SUBF
7131 #undef GEN_INT_ARITH_SUBF_CONST
7132 #define GEN_INT_ARITH_SUBF(name, opc3, add_ca, compute_ca, compute_ov) \
7133 GEN_HANDLER(name, 0x1F, 0x08, opc3, 0x00000000, PPC_INTEGER),
7134 #define GEN_INT_ARITH_SUBF_CONST(name, opc3, const_val, \
7135 add_ca, compute_ca, compute_ov) \
7136 GEN_HANDLER(name, 0x1F, 0x08, opc3, 0x0000F800, PPC_INTEGER),
7137 GEN_INT_ARITH_SUBF(subf, 0x01, 0, 0, 0)
7138 GEN_INT_ARITH_SUBF(subfo, 0x11, 0, 0, 1)
7139 GEN_INT_ARITH_SUBF(subfc, 0x00, 0, 1, 0)
7140 GEN_INT_ARITH_SUBF(subfco, 0x10, 0, 1, 1)
7141 GEN_INT_ARITH_SUBF(subfe, 0x04, 1, 1, 0)
7142 GEN_INT_ARITH_SUBF(subfeo, 0x14, 1, 1, 1)
7143 GEN_INT_ARITH_SUBF_CONST(subfme, 0x07, -1LL, 1, 1, 0)
7144 GEN_INT_ARITH_SUBF_CONST(subfmeo, 0x17, -1LL, 1, 1, 1)
7145 GEN_INT_ARITH_SUBF_CONST(subfze, 0x06, 0, 1, 1, 0)
7146 GEN_INT_ARITH_SUBF_CONST(subfzeo, 0x16, 0, 1, 1, 1)
7147
7148 #undef GEN_LOGICAL1
7149 #undef GEN_LOGICAL2
7150 #define GEN_LOGICAL2(name, tcg_op, opc, type) \
7151 GEN_HANDLER(name, 0x1F, 0x1C, opc, 0x00000000, type)
7152 #define GEN_LOGICAL1(name, tcg_op, opc, type) \
7153 GEN_HANDLER(name, 0x1F, 0x1A, opc, 0x00000000, type)
7154 GEN_LOGICAL2(and, tcg_gen_and_tl, 0x00, PPC_INTEGER),
7155 GEN_LOGICAL2(andc, tcg_gen_andc_tl, 0x01, PPC_INTEGER),
7156 GEN_LOGICAL2(eqv, tcg_gen_eqv_tl, 0x08, PPC_INTEGER),
7157 GEN_LOGICAL1(extsb, tcg_gen_ext8s_tl, 0x1D, PPC_INTEGER),
7158 GEN_LOGICAL1(extsh, tcg_gen_ext16s_tl, 0x1C, PPC_INTEGER),
7159 GEN_LOGICAL2(nand, tcg_gen_nand_tl, 0x0E, PPC_INTEGER),
7160 GEN_LOGICAL2(nor, tcg_gen_nor_tl, 0x03, PPC_INTEGER),
7161 GEN_LOGICAL2(orc, tcg_gen_orc_tl, 0x0C, PPC_INTEGER),
7162 #if defined(TARGET_PPC64)
7163 GEN_LOGICAL1(extsw, tcg_gen_ext32s_tl, 0x1E, PPC_64B),
7164 #endif
7165
7166 #if defined(TARGET_PPC64)
7167 #undef GEN_PPC64_R2
7168 #undef GEN_PPC64_R4
7169 #define GEN_PPC64_R2(name, opc1, opc2) \
7170 GEN_HANDLER2(name##0, stringify(name), opc1, opc2, 0xFF, 0x00000000, PPC_64B),\
7171 GEN_HANDLER2(name##1, stringify(name), opc1, opc2 | 0x10, 0xFF, 0x00000000, \
7172 PPC_64B)
7173 #define GEN_PPC64_R4(name, opc1, opc2) \
7174 GEN_HANDLER2(name##0, stringify(name), opc1, opc2, 0xFF, 0x00000000, PPC_64B),\
7175 GEN_HANDLER2(name##1, stringify(name), opc1, opc2 | 0x01, 0xFF, 0x00000000, \
7176 PPC_64B), \
7177 GEN_HANDLER2(name##2, stringify(name), opc1, opc2 | 0x10, 0xFF, 0x00000000, \
7178 PPC_64B), \
7179 GEN_HANDLER2(name##3, stringify(name), opc1, opc2 | 0x11, 0xFF, 0x00000000, \
7180 PPC_64B)
7181 GEN_PPC64_R4(rldicl, 0x1E, 0x00),
7182 GEN_PPC64_R4(rldicr, 0x1E, 0x02),
7183 GEN_PPC64_R4(rldic, 0x1E, 0x04),
7184 GEN_PPC64_R2(rldcl, 0x1E, 0x08),
7185 GEN_PPC64_R2(rldcr, 0x1E, 0x09),
7186 GEN_PPC64_R4(rldimi, 0x1E, 0x06),
7187 #endif
7188
7189 #undef GEN_LD
7190 #undef GEN_LDU
7191 #undef GEN_LDUX
7192 #undef GEN_LDX_E
7193 #undef GEN_LDS
7194 #define GEN_LD(name, ldop, opc, type) \
7195 GEN_HANDLER(name, opc, 0xFF, 0xFF, 0x00000000, type),
7196 #define GEN_LDU(name, ldop, opc, type) \
7197 GEN_HANDLER(name##u, opc, 0xFF, 0xFF, 0x00000000, type),
7198 #define GEN_LDUX(name, ldop, opc2, opc3, type) \
7199 GEN_HANDLER(name##ux, 0x1F, opc2, opc3, 0x00000001, type),
7200 #define GEN_LDX_E(name, ldop, opc2, opc3, type, type2, chk) \
7201 GEN_HANDLER_E(name##x, 0x1F, opc2, opc3, 0x00000001, type, type2),
7202 #define GEN_LDS(name, ldop, op, type) \
7203 GEN_LD(name, ldop, op | 0x20, type) \
7204 GEN_LDU(name, ldop, op | 0x21, type) \
7205 GEN_LDUX(name, ldop, 0x17, op | 0x01, type) \
7206 GEN_LDX(name, ldop, 0x17, op | 0x00, type)
7207
7208 GEN_LDS(lbz, ld8u, 0x02, PPC_INTEGER)
7209 GEN_LDS(lha, ld16s, 0x0A, PPC_INTEGER)
7210 GEN_LDS(lhz, ld16u, 0x08, PPC_INTEGER)
7211 GEN_LDS(lwz, ld32u, 0x00, PPC_INTEGER)
7212 #if defined(TARGET_PPC64)
7213 GEN_LDUX(lwa, ld32s, 0x15, 0x0B, PPC_64B)
7214 GEN_LDX(lwa, ld32s, 0x15, 0x0A, PPC_64B)
7215 GEN_LDUX(ld, ld64_i64, 0x15, 0x01, PPC_64B)
7216 GEN_LDX(ld, ld64_i64, 0x15, 0x00, PPC_64B)
7217 GEN_LDX_E(ldbr, ld64ur_i64, 0x14, 0x10, PPC_NONE, PPC2_DBRX, CHK_NONE)
7218
7219 /* HV/P7 and later only */
7220 GEN_LDX_HVRM(ldcix, ld64_i64, 0x15, 0x1b, PPC_CILDST)
7221 GEN_LDX_HVRM(lwzcix, ld32u, 0x15, 0x18, PPC_CILDST)
7222 GEN_LDX_HVRM(lhzcix, ld16u, 0x15, 0x19, PPC_CILDST)
7223 GEN_LDX_HVRM(lbzcix, ld8u, 0x15, 0x1a, PPC_CILDST)
7224 #endif
7225 GEN_LDX(lhbr, ld16ur, 0x16, 0x18, PPC_INTEGER)
7226 GEN_LDX(lwbr, ld32ur, 0x16, 0x10, PPC_INTEGER)
7227
7228 /* External PID based load */
7229 #undef GEN_LDEPX
7230 #define GEN_LDEPX(name, ldop, opc2, opc3) \
7231 GEN_HANDLER_E(name##epx, 0x1F, opc2, opc3, \
7232 0x00000001, PPC_NONE, PPC2_BOOKE206),
7233
7234 GEN_LDEPX(lb, DEF_MEMOP(MO_UB), 0x1F, 0x02)
7235 GEN_LDEPX(lh, DEF_MEMOP(MO_UW), 0x1F, 0x08)
7236 GEN_LDEPX(lw, DEF_MEMOP(MO_UL), 0x1F, 0x00)
7237 #if defined(TARGET_PPC64)
7238 GEN_LDEPX(ld, DEF_MEMOP(MO_Q), 0x1D, 0x00)
7239 #endif
7240
7241 #undef GEN_ST
7242 #undef GEN_STU
7243 #undef GEN_STUX
7244 #undef GEN_STX_E
7245 #undef GEN_STS
7246 #define GEN_ST(name, stop, opc, type) \
7247 GEN_HANDLER(name, opc, 0xFF, 0xFF, 0x00000000, type),
7248 #define GEN_STU(name, stop, opc, type) \
7249 GEN_HANDLER(stop##u, opc, 0xFF, 0xFF, 0x00000000, type),
7250 #define GEN_STUX(name, stop, opc2, opc3, type) \
7251 GEN_HANDLER(name##ux, 0x1F, opc2, opc3, 0x00000001, type),
7252 #define GEN_STX_E(name, stop, opc2, opc3, type, type2, chk) \
7253 GEN_HANDLER_E(name##x, 0x1F, opc2, opc3, 0x00000000, type, type2),
7254 #define GEN_STS(name, stop, op, type) \
7255 GEN_ST(name, stop, op | 0x20, type) \
7256 GEN_STU(name, stop, op | 0x21, type) \
7257 GEN_STUX(name, stop, 0x17, op | 0x01, type) \
7258 GEN_STX(name, stop, 0x17, op | 0x00, type)
7259
7260 GEN_STS(stb, st8, 0x06, PPC_INTEGER)
7261 GEN_STS(sth, st16, 0x0C, PPC_INTEGER)
7262 GEN_STS(stw, st32, 0x04, PPC_INTEGER)
7263 #if defined(TARGET_PPC64)
7264 GEN_STUX(std, st64_i64, 0x15, 0x05, PPC_64B)
7265 GEN_STX(std, st64_i64, 0x15, 0x04, PPC_64B)
7266 GEN_STX_E(stdbr, st64r_i64, 0x14, 0x14, PPC_NONE, PPC2_DBRX, CHK_NONE)
7267 GEN_STX_HVRM(stdcix, st64_i64, 0x15, 0x1f, PPC_CILDST)
7268 GEN_STX_HVRM(stwcix, st32, 0x15, 0x1c, PPC_CILDST)
7269 GEN_STX_HVRM(sthcix, st16, 0x15, 0x1d, PPC_CILDST)
7270 GEN_STX_HVRM(stbcix, st8, 0x15, 0x1e, PPC_CILDST)
7271 #endif
7272 GEN_STX(sthbr, st16r, 0x16, 0x1C, PPC_INTEGER)
7273 GEN_STX(stwbr, st32r, 0x16, 0x14, PPC_INTEGER)
7274
7275 #undef GEN_STEPX
7276 #define GEN_STEPX(name, ldop, opc2, opc3) \
7277 GEN_HANDLER_E(name##epx, 0x1F, opc2, opc3, \
7278 0x00000001, PPC_NONE, PPC2_BOOKE206),
7279
7280 GEN_STEPX(stb, DEF_MEMOP(MO_UB), 0x1F, 0x06)
7281 GEN_STEPX(sth, DEF_MEMOP(MO_UW), 0x1F, 0x0C)
7282 GEN_STEPX(stw, DEF_MEMOP(MO_UL), 0x1F, 0x04)
7283 #if defined(TARGET_PPC64)
7284 GEN_STEPX(std, DEF_MEMOP(MO_Q), 0x1D, 0x04)
7285 #endif
7286
7287 #undef GEN_CRLOGIC
7288 #define GEN_CRLOGIC(name, tcg_op, opc) \
7289 GEN_HANDLER(name, 0x13, 0x01, opc, 0x00000001, PPC_INTEGER)
7290 GEN_CRLOGIC(crand, tcg_gen_and_i32, 0x08),
7291 GEN_CRLOGIC(crandc, tcg_gen_andc_i32, 0x04),
7292 GEN_CRLOGIC(creqv, tcg_gen_eqv_i32, 0x09),
7293 GEN_CRLOGIC(crnand, tcg_gen_nand_i32, 0x07),
7294 GEN_CRLOGIC(crnor, tcg_gen_nor_i32, 0x01),
7295 GEN_CRLOGIC(cror, tcg_gen_or_i32, 0x0E),
7296 GEN_CRLOGIC(crorc, tcg_gen_orc_i32, 0x0D),
7297 GEN_CRLOGIC(crxor, tcg_gen_xor_i32, 0x06),
7298
7299 #undef GEN_MAC_HANDLER
7300 #define GEN_MAC_HANDLER(name, opc2, opc3) \
7301 GEN_HANDLER(name, 0x04, opc2, opc3, 0x00000000, PPC_405_MAC)
7302 GEN_MAC_HANDLER(macchw, 0x0C, 0x05),
7303 GEN_MAC_HANDLER(macchwo, 0x0C, 0x15),
7304 GEN_MAC_HANDLER(macchws, 0x0C, 0x07),
7305 GEN_MAC_HANDLER(macchwso, 0x0C, 0x17),
7306 GEN_MAC_HANDLER(macchwsu, 0x0C, 0x06),
7307 GEN_MAC_HANDLER(macchwsuo, 0x0C, 0x16),
7308 GEN_MAC_HANDLER(macchwu, 0x0C, 0x04),
7309 GEN_MAC_HANDLER(macchwuo, 0x0C, 0x14),
7310 GEN_MAC_HANDLER(machhw, 0x0C, 0x01),
7311 GEN_MAC_HANDLER(machhwo, 0x0C, 0x11),
7312 GEN_MAC_HANDLER(machhws, 0x0C, 0x03),
7313 GEN_MAC_HANDLER(machhwso, 0x0C, 0x13),
7314 GEN_MAC_HANDLER(machhwsu, 0x0C, 0x02),
7315 GEN_MAC_HANDLER(machhwsuo, 0x0C, 0x12),
7316 GEN_MAC_HANDLER(machhwu, 0x0C, 0x00),
7317 GEN_MAC_HANDLER(machhwuo, 0x0C, 0x10),
7318 GEN_MAC_HANDLER(maclhw, 0x0C, 0x0D),
7319 GEN_MAC_HANDLER(maclhwo, 0x0C, 0x1D),
7320 GEN_MAC_HANDLER(maclhws, 0x0C, 0x0F),
7321 GEN_MAC_HANDLER(maclhwso, 0x0C, 0x1F),
7322 GEN_MAC_HANDLER(maclhwu, 0x0C, 0x0C),
7323 GEN_MAC_HANDLER(maclhwuo, 0x0C, 0x1C),
7324 GEN_MAC_HANDLER(maclhwsu, 0x0C, 0x0E),
7325 GEN_MAC_HANDLER(maclhwsuo, 0x0C, 0x1E),
7326 GEN_MAC_HANDLER(nmacchw, 0x0E, 0x05),
7327 GEN_MAC_HANDLER(nmacchwo, 0x0E, 0x15),
7328 GEN_MAC_HANDLER(nmacchws, 0x0E, 0x07),
7329 GEN_MAC_HANDLER(nmacchwso, 0x0E, 0x17),
7330 GEN_MAC_HANDLER(nmachhw, 0x0E, 0x01),
7331 GEN_MAC_HANDLER(nmachhwo, 0x0E, 0x11),
7332 GEN_MAC_HANDLER(nmachhws, 0x0E, 0x03),
7333 GEN_MAC_HANDLER(nmachhwso, 0x0E, 0x13),
7334 GEN_MAC_HANDLER(nmaclhw, 0x0E, 0x0D),
7335 GEN_MAC_HANDLER(nmaclhwo, 0x0E, 0x1D),
7336 GEN_MAC_HANDLER(nmaclhws, 0x0E, 0x0F),
7337 GEN_MAC_HANDLER(nmaclhwso, 0x0E, 0x1F),
7338 GEN_MAC_HANDLER(mulchw, 0x08, 0x05),
7339 GEN_MAC_HANDLER(mulchwu, 0x08, 0x04),
7340 GEN_MAC_HANDLER(mulhhw, 0x08, 0x01),
7341 GEN_MAC_HANDLER(mulhhwu, 0x08, 0x00),
7342 GEN_MAC_HANDLER(mullhw, 0x08, 0x0D),
7343 GEN_MAC_HANDLER(mullhwu, 0x08, 0x0C),
7344
7345 GEN_HANDLER2_E(tbegin, "tbegin", 0x1F, 0x0E, 0x14, 0x01DFF800, \
7346 PPC_NONE, PPC2_TM),
7347 GEN_HANDLER2_E(tend, "tend", 0x1F, 0x0E, 0x15, 0x01FFF800, \
7348 PPC_NONE, PPC2_TM),
7349 GEN_HANDLER2_E(tabort, "tabort", 0x1F, 0x0E, 0x1C, 0x03E0F800, \
7350 PPC_NONE, PPC2_TM),
7351 GEN_HANDLER2_E(tabortwc, "tabortwc", 0x1F, 0x0E, 0x18, 0x00000000, \
7352 PPC_NONE, PPC2_TM),
7353 GEN_HANDLER2_E(tabortwci, "tabortwci", 0x1F, 0x0E, 0x1A, 0x00000000, \
7354 PPC_NONE, PPC2_TM),
7355 GEN_HANDLER2_E(tabortdc, "tabortdc", 0x1F, 0x0E, 0x19, 0x00000000, \
7356 PPC_NONE, PPC2_TM),
7357 GEN_HANDLER2_E(tabortdci, "tabortdci", 0x1F, 0x0E, 0x1B, 0x00000000, \
7358 PPC_NONE, PPC2_TM),
7359 GEN_HANDLER2_E(tsr, "tsr", 0x1F, 0x0E, 0x17, 0x03DFF800, \
7360 PPC_NONE, PPC2_TM),
7361 GEN_HANDLER2_E(tcheck, "tcheck", 0x1F, 0x0E, 0x16, 0x007FF800, \
7362 PPC_NONE, PPC2_TM),
7363 GEN_HANDLER2_E(treclaim, "treclaim", 0x1F, 0x0E, 0x1D, 0x03E0F800, \
7364 PPC_NONE, PPC2_TM),
7365 GEN_HANDLER2_E(trechkpt, "trechkpt", 0x1F, 0x0E, 0x1F, 0x03FFF800, \
7366 PPC_NONE, PPC2_TM),
7367
7368 #include "translate/fp-ops.inc.c"
7369
7370 #include "translate/vmx-ops.inc.c"
7371
7372 #include "translate/vsx-ops.inc.c"
7373
7374 #include "translate/dfp-ops.inc.c"
7375
7376 #include "translate/spe-ops.inc.c"
7377 };
7378
7379 #include "helper_regs.h"
7380 #include "translate_init.inc.c"
7381
7382 /*****************************************************************************/
7383 /* Misc PowerPC helpers */
7384 void ppc_cpu_dump_state(CPUState *cs, FILE *f, fprintf_function cpu_fprintf,
7385 int flags)
7386 {
7387 #define RGPL 4
7388 #define RFPL 4
7389
7390 PowerPCCPU *cpu = POWERPC_CPU(cs);
7391 CPUPPCState *env = &cpu->env;
7392 int i;
7393
7394 cpu_fprintf(f, "NIP " TARGET_FMT_lx " LR " TARGET_FMT_lx " CTR "
7395 TARGET_FMT_lx " XER " TARGET_FMT_lx " CPU#%d\n",
7396 env->nip, env->lr, env->ctr, cpu_read_xer(env),
7397 cs->cpu_index);
7398 cpu_fprintf(f, "MSR " TARGET_FMT_lx " HID0 " TARGET_FMT_lx " HF "
7399 TARGET_FMT_lx " iidx %d didx %d\n",
7400 env->msr, env->spr[SPR_HID0],
7401 env->hflags, env->immu_idx, env->dmmu_idx);
7402 #if !defined(NO_TIMER_DUMP)
7403 cpu_fprintf(f, "TB %08" PRIu32 " %08" PRIu64
7404 #if !defined(CONFIG_USER_ONLY)
7405 " DECR %08" PRIu32
7406 #endif
7407 "\n",
7408 cpu_ppc_load_tbu(env), cpu_ppc_load_tbl(env)
7409 #if !defined(CONFIG_USER_ONLY)
7410 , cpu_ppc_load_decr(env)
7411 #endif
7412 );
7413 #endif
7414 for (i = 0; i < 32; i++) {
7415 if ((i & (RGPL - 1)) == 0)
7416 cpu_fprintf(f, "GPR%02d", i);
7417 cpu_fprintf(f, " %016" PRIx64, ppc_dump_gpr(env, i));
7418 if ((i & (RGPL - 1)) == (RGPL - 1))
7419 cpu_fprintf(f, "\n");
7420 }
7421 cpu_fprintf(f, "CR ");
7422 for (i = 0; i < 8; i++)
7423 cpu_fprintf(f, "%01x", env->crf[i]);
7424 cpu_fprintf(f, " [");
7425 for (i = 0; i < 8; i++) {
7426 char a = '-';
7427 if (env->crf[i] & 0x08)
7428 a = 'L';
7429 else if (env->crf[i] & 0x04)
7430 a = 'G';
7431 else if (env->crf[i] & 0x02)
7432 a = 'E';
7433 cpu_fprintf(f, " %c%c", a, env->crf[i] & 0x01 ? 'O' : ' ');
7434 }
7435 cpu_fprintf(f, " ] RES " TARGET_FMT_lx "\n",
7436 env->reserve_addr);
7437
7438 if (flags & CPU_DUMP_FPU) {
7439 for (i = 0; i < 32; i++) {
7440 if ((i & (RFPL - 1)) == 0) {
7441 cpu_fprintf(f, "FPR%02d", i);
7442 }
7443 cpu_fprintf(f, " %016" PRIx64, *cpu_fpr_ptr(env, i));
7444 if ((i & (RFPL - 1)) == (RFPL - 1)) {
7445 cpu_fprintf(f, "\n");
7446 }
7447 }
7448 cpu_fprintf(f, "FPSCR " TARGET_FMT_lx "\n", env->fpscr);
7449 }
7450
7451 #if !defined(CONFIG_USER_ONLY)
7452 cpu_fprintf(f, " SRR0 " TARGET_FMT_lx " SRR1 " TARGET_FMT_lx
7453 " PVR " TARGET_FMT_lx " VRSAVE " TARGET_FMT_lx "\n",
7454 env->spr[SPR_SRR0], env->spr[SPR_SRR1],
7455 env->spr[SPR_PVR], env->spr[SPR_VRSAVE]);
7456
7457 cpu_fprintf(f, "SPRG0 " TARGET_FMT_lx " SPRG1 " TARGET_FMT_lx
7458 " SPRG2 " TARGET_FMT_lx " SPRG3 " TARGET_FMT_lx "\n",
7459 env->spr[SPR_SPRG0], env->spr[SPR_SPRG1],
7460 env->spr[SPR_SPRG2], env->spr[SPR_SPRG3]);
7461
7462 cpu_fprintf(f, "SPRG4 " TARGET_FMT_lx " SPRG5 " TARGET_FMT_lx
7463 " SPRG6 " TARGET_FMT_lx " SPRG7 " TARGET_FMT_lx "\n",
7464 env->spr[SPR_SPRG4], env->spr[SPR_SPRG5],
7465 env->spr[SPR_SPRG6], env->spr[SPR_SPRG7]);
7466
7467 #if defined(TARGET_PPC64)
7468 if (env->excp_model == POWERPC_EXCP_POWER7 ||
7469 env->excp_model == POWERPC_EXCP_POWER8) {
7470 cpu_fprintf(f, "HSRR0 " TARGET_FMT_lx " HSRR1 " TARGET_FMT_lx "\n",
7471 env->spr[SPR_HSRR0], env->spr[SPR_HSRR1]);
7472 }
7473 #endif
7474 if (env->excp_model == POWERPC_EXCP_BOOKE) {
7475 cpu_fprintf(f, "CSRR0 " TARGET_FMT_lx " CSRR1 " TARGET_FMT_lx
7476 " MCSRR0 " TARGET_FMT_lx " MCSRR1 " TARGET_FMT_lx "\n",
7477 env->spr[SPR_BOOKE_CSRR0], env->spr[SPR_BOOKE_CSRR1],
7478 env->spr[SPR_BOOKE_MCSRR0], env->spr[SPR_BOOKE_MCSRR1]);
7479
7480 cpu_fprintf(f, " TCR " TARGET_FMT_lx " TSR " TARGET_FMT_lx
7481 " ESR " TARGET_FMT_lx " DEAR " TARGET_FMT_lx "\n",
7482 env->spr[SPR_BOOKE_TCR], env->spr[SPR_BOOKE_TSR],
7483 env->spr[SPR_BOOKE_ESR], env->spr[SPR_BOOKE_DEAR]);
7484
7485 cpu_fprintf(f, " PIR " TARGET_FMT_lx " DECAR " TARGET_FMT_lx
7486 " IVPR " TARGET_FMT_lx " EPCR " TARGET_FMT_lx "\n",
7487 env->spr[SPR_BOOKE_PIR], env->spr[SPR_BOOKE_DECAR],
7488 env->spr[SPR_BOOKE_IVPR], env->spr[SPR_BOOKE_EPCR]);
7489
7490 cpu_fprintf(f, " MCSR " TARGET_FMT_lx " SPRG8 " TARGET_FMT_lx
7491 " EPR " TARGET_FMT_lx "\n",
7492 env->spr[SPR_BOOKE_MCSR], env->spr[SPR_BOOKE_SPRG8],
7493 env->spr[SPR_BOOKE_EPR]);
7494
7495 /* FSL-specific */
7496 cpu_fprintf(f, " MCAR " TARGET_FMT_lx " PID1 " TARGET_FMT_lx
7497 " PID2 " TARGET_FMT_lx " SVR " TARGET_FMT_lx "\n",
7498 env->spr[SPR_Exxx_MCAR], env->spr[SPR_BOOKE_PID1],
7499 env->spr[SPR_BOOKE_PID2], env->spr[SPR_E500_SVR]);
7500
7501 /*
7502 * IVORs are left out as they are large and do not change often --
7503 * they can be read with "p $ivor0", "p $ivor1", etc.
7504 */
7505 }
7506
7507 #if defined(TARGET_PPC64)
7508 if (env->flags & POWERPC_FLAG_CFAR) {
7509 cpu_fprintf(f, " CFAR " TARGET_FMT_lx"\n", env->cfar);
7510 }
7511 #endif
7512
7513 if (env->spr_cb[SPR_LPCR].name)
7514 cpu_fprintf(f, " LPCR " TARGET_FMT_lx "\n", env->spr[SPR_LPCR]);
7515
7516 switch (env->mmu_model) {
7517 case POWERPC_MMU_32B:
7518 case POWERPC_MMU_601:
7519 case POWERPC_MMU_SOFT_6xx:
7520 case POWERPC_MMU_SOFT_74xx:
7521 #if defined(TARGET_PPC64)
7522 case POWERPC_MMU_64B:
7523 case POWERPC_MMU_2_03:
7524 case POWERPC_MMU_2_06:
7525 case POWERPC_MMU_2_07:
7526 case POWERPC_MMU_3_00:
7527 #endif
7528 if (env->spr_cb[SPR_SDR1].name) { /* SDR1 Exists */
7529 cpu_fprintf(f, " SDR1 " TARGET_FMT_lx " ", env->spr[SPR_SDR1]);
7530 }
7531 if (env->spr_cb[SPR_PTCR].name) { /* PTCR Exists */
7532 cpu_fprintf(f, " PTCR " TARGET_FMT_lx " ", env->spr[SPR_PTCR]);
7533 }
7534 cpu_fprintf(f, " DAR " TARGET_FMT_lx " DSISR " TARGET_FMT_lx "\n",
7535 env->spr[SPR_DAR], env->spr[SPR_DSISR]);
7536 break;
7537 case POWERPC_MMU_BOOKE206:
7538 cpu_fprintf(f, " MAS0 " TARGET_FMT_lx " MAS1 " TARGET_FMT_lx
7539 " MAS2 " TARGET_FMT_lx " MAS3 " TARGET_FMT_lx "\n",
7540 env->spr[SPR_BOOKE_MAS0], env->spr[SPR_BOOKE_MAS1],
7541 env->spr[SPR_BOOKE_MAS2], env->spr[SPR_BOOKE_MAS3]);
7542
7543 cpu_fprintf(f, " MAS4 " TARGET_FMT_lx " MAS6 " TARGET_FMT_lx
7544 " MAS7 " TARGET_FMT_lx " PID " TARGET_FMT_lx "\n",
7545 env->spr[SPR_BOOKE_MAS4], env->spr[SPR_BOOKE_MAS6],
7546 env->spr[SPR_BOOKE_MAS7], env->spr[SPR_BOOKE_PID]);
7547
7548 cpu_fprintf(f, "MMUCFG " TARGET_FMT_lx " TLB0CFG " TARGET_FMT_lx
7549 " TLB1CFG " TARGET_FMT_lx "\n",
7550 env->spr[SPR_MMUCFG], env->spr[SPR_BOOKE_TLB0CFG],
7551 env->spr[SPR_BOOKE_TLB1CFG]);
7552 break;
7553 default:
7554 break;
7555 }
7556 #endif
7557
7558 #undef RGPL
7559 #undef RFPL
7560 }
7561
7562 void ppc_cpu_dump_statistics(CPUState *cs, FILE*f,
7563 fprintf_function cpu_fprintf, int flags)
7564 {
7565 #if defined(DO_PPC_STATISTICS)
7566 PowerPCCPU *cpu = POWERPC_CPU(cs);
7567 opc_handler_t **t1, **t2, **t3, *handler;
7568 int op1, op2, op3;
7569
7570 t1 = cpu->env.opcodes;
7571 for (op1 = 0; op1 < 64; op1++) {
7572 handler = t1[op1];
7573 if (is_indirect_opcode(handler)) {
7574 t2 = ind_table(handler);
7575 for (op2 = 0; op2 < 32; op2++) {
7576 handler = t2[op2];
7577 if (is_indirect_opcode(handler)) {
7578 t3 = ind_table(handler);
7579 for (op3 = 0; op3 < 32; op3++) {
7580 handler = t3[op3];
7581 if (handler->count == 0)
7582 continue;
7583 cpu_fprintf(f, "%02x %02x %02x (%02x %04d) %16s: "
7584 "%016" PRIx64 " %" PRId64 "\n",
7585 op1, op2, op3, op1, (op3 << 5) | op2,
7586 handler->oname,
7587 handler->count, handler->count);
7588 }
7589 } else {
7590 if (handler->count == 0)
7591 continue;
7592 cpu_fprintf(f, "%02x %02x (%02x %04d) %16s: "
7593 "%016" PRIx64 " %" PRId64 "\n",
7594 op1, op2, op1, op2, handler->oname,
7595 handler->count, handler->count);
7596 }
7597 }
7598 } else {
7599 if (handler->count == 0)
7600 continue;
7601 cpu_fprintf(f, "%02x (%02x ) %16s: %016" PRIx64
7602 " %" PRId64 "\n",
7603 op1, op1, handler->oname,
7604 handler->count, handler->count);
7605 }
7606 }
7607 #endif
7608 }
7609
7610 static void ppc_tr_init_disas_context(DisasContextBase *dcbase, CPUState *cs)
7611 {
7612 DisasContext *ctx = container_of(dcbase, DisasContext, base);
7613 CPUPPCState *env = cs->env_ptr;
7614 int bound;
7615
7616 ctx->exception = POWERPC_EXCP_NONE;
7617 ctx->spr_cb = env->spr_cb;
7618 ctx->pr = msr_pr;
7619 ctx->mem_idx = env->dmmu_idx;
7620 ctx->dr = msr_dr;
7621 #if !defined(CONFIG_USER_ONLY)
7622 ctx->hv = msr_hv || !env->has_hv_mode;
7623 #endif
7624 ctx->insns_flags = env->insns_flags;
7625 ctx->insns_flags2 = env->insns_flags2;
7626 ctx->access_type = -1;
7627 ctx->need_access_type = !(env->mmu_model & POWERPC_MMU_64B);
7628 ctx->le_mode = !!(env->hflags & (1 << MSR_LE));
7629 ctx->default_tcg_memop_mask = ctx->le_mode ? MO_LE : MO_BE;
7630 ctx->flags = env->flags;
7631 #if defined(TARGET_PPC64)
7632 ctx->sf_mode = msr_is_64bit(env, env->msr);
7633 ctx->has_cfar = !!(env->flags & POWERPC_FLAG_CFAR);
7634 #endif
7635 ctx->lazy_tlb_flush = env->mmu_model == POWERPC_MMU_32B
7636 || env->mmu_model == POWERPC_MMU_601
7637 || (env->mmu_model & POWERPC_MMU_64B);
7638
7639 ctx->fpu_enabled = !!msr_fp;
7640 if ((env->flags & POWERPC_FLAG_SPE) && msr_spe)
7641 ctx->spe_enabled = !!msr_spe;
7642 else
7643 ctx->spe_enabled = false;
7644 if ((env->flags & POWERPC_FLAG_VRE) && msr_vr)
7645 ctx->altivec_enabled = !!msr_vr;
7646 else
7647 ctx->altivec_enabled = false;
7648 if ((env->flags & POWERPC_FLAG_VSX) && msr_vsx) {
7649 ctx->vsx_enabled = !!msr_vsx;
7650 } else {
7651 ctx->vsx_enabled = false;
7652 }
7653 #if defined(TARGET_PPC64)
7654 if ((env->flags & POWERPC_FLAG_TM) && msr_tm) {
7655 ctx->tm_enabled = !!msr_tm;
7656 } else {
7657 ctx->tm_enabled = false;
7658 }
7659 #endif
7660 ctx->gtse = !!(env->spr[SPR_LPCR] & LPCR_GTSE);
7661 if ((env->flags & POWERPC_FLAG_SE) && msr_se)
7662 ctx->singlestep_enabled = CPU_SINGLE_STEP;
7663 else
7664 ctx->singlestep_enabled = 0;
7665 if ((env->flags & POWERPC_FLAG_BE) && msr_be)
7666 ctx->singlestep_enabled |= CPU_BRANCH_STEP;
7667 if ((env->flags & POWERPC_FLAG_DE) && msr_de) {
7668 ctx->singlestep_enabled = 0;
7669 target_ulong dbcr0 = env->spr[SPR_BOOKE_DBCR0];
7670 if (dbcr0 & DBCR0_ICMP) {
7671 ctx->singlestep_enabled |= CPU_SINGLE_STEP;
7672 }
7673 if (dbcr0 & DBCR0_BRT) {
7674 ctx->singlestep_enabled |= CPU_BRANCH_STEP;
7675 }
7676
7677 }
7678 if (unlikely(ctx->base.singlestep_enabled)) {
7679 ctx->singlestep_enabled |= GDBSTUB_SINGLE_STEP;
7680 }
7681 #if defined (DO_SINGLE_STEP) && 0
7682 /* Single step trace mode */
7683 msr_se = 1;
7684 #endif
7685
7686 bound = -(ctx->base.pc_first | TARGET_PAGE_MASK) / 4;
7687 ctx->base.max_insns = MIN(ctx->base.max_insns, bound);
7688 }
7689
7690 static void ppc_tr_tb_start(DisasContextBase *db, CPUState *cs)
7691 {
7692 }
7693
7694 static void ppc_tr_insn_start(DisasContextBase *dcbase, CPUState *cs)
7695 {
7696 tcg_gen_insn_start(dcbase->pc_next);
7697 }
7698
7699 static bool ppc_tr_breakpoint_check(DisasContextBase *dcbase, CPUState *cs,
7700 const CPUBreakpoint *bp)
7701 {
7702 DisasContext *ctx = container_of(dcbase, DisasContext, base);
7703
7704 gen_debug_exception(ctx);
7705 dcbase->is_jmp = DISAS_NORETURN;
7706 /* The address covered by the breakpoint must be included in
7707 [tb->pc, tb->pc + tb->size) in order to for it to be
7708 properly cleared -- thus we increment the PC here so that
7709 the logic setting tb->size below does the right thing. */
7710 ctx->base.pc_next += 4;
7711 return true;
7712 }
7713
7714 static void ppc_tr_translate_insn(DisasContextBase *dcbase, CPUState *cs)
7715 {
7716 DisasContext *ctx = container_of(dcbase, DisasContext, base);
7717 CPUPPCState *env = cs->env_ptr;
7718 opc_handler_t **table, *handler;
7719
7720 LOG_DISAS("----------------\n");
7721 LOG_DISAS("nip=" TARGET_FMT_lx " super=%d ir=%d\n",
7722 ctx->base.pc_next, ctx->mem_idx, (int)msr_ir);
7723
7724 if (unlikely(need_byteswap(ctx))) {
7725 ctx->opcode = bswap32(cpu_ldl_code(env, ctx->base.pc_next));
7726 } else {
7727 ctx->opcode = cpu_ldl_code(env, ctx->base.pc_next);
7728 }
7729 LOG_DISAS("translate opcode %08x (%02x %02x %02x %02x) (%s)\n",
7730 ctx->opcode, opc1(ctx->opcode), opc2(ctx->opcode),
7731 opc3(ctx->opcode), opc4(ctx->opcode),
7732 ctx->le_mode ? "little" : "big");
7733 ctx->base.pc_next += 4;
7734 table = env->opcodes;
7735 handler = table[opc1(ctx->opcode)];
7736 if (is_indirect_opcode(handler)) {
7737 table = ind_table(handler);
7738 handler = table[opc2(ctx->opcode)];
7739 if (is_indirect_opcode(handler)) {
7740 table = ind_table(handler);
7741 handler = table[opc3(ctx->opcode)];
7742 if (is_indirect_opcode(handler)) {
7743 table = ind_table(handler);
7744 handler = table[opc4(ctx->opcode)];
7745 }
7746 }
7747 }
7748 /* Is opcode *REALLY* valid ? */
7749 if (unlikely(handler->handler == &gen_invalid)) {
7750 qemu_log_mask(LOG_GUEST_ERROR, "invalid/unsupported opcode: "
7751 "%02x - %02x - %02x - %02x (%08x) "
7752 TARGET_FMT_lx " %d\n",
7753 opc1(ctx->opcode), opc2(ctx->opcode),
7754 opc3(ctx->opcode), opc4(ctx->opcode),
7755 ctx->opcode, ctx->base.pc_next - 4, (int)msr_ir);
7756 } else {
7757 uint32_t inval;
7758
7759 if (unlikely(handler->type & (PPC_SPE | PPC_SPE_SINGLE | PPC_SPE_DOUBLE)
7760 && Rc(ctx->opcode))) {
7761 inval = handler->inval2;
7762 } else {
7763 inval = handler->inval1;
7764 }
7765
7766 if (unlikely((ctx->opcode & inval) != 0)) {
7767 qemu_log_mask(LOG_GUEST_ERROR, "invalid bits: %08x for opcode: "
7768 "%02x - %02x - %02x - %02x (%08x) "
7769 TARGET_FMT_lx "\n", ctx->opcode & inval,
7770 opc1(ctx->opcode), opc2(ctx->opcode),
7771 opc3(ctx->opcode), opc4(ctx->opcode),
7772 ctx->opcode, ctx->base.pc_next - 4);
7773 gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
7774 ctx->base.is_jmp = DISAS_NORETURN;
7775 return;
7776 }
7777 }
7778 (*(handler->handler))(ctx);
7779 #if defined(DO_PPC_STATISTICS)
7780 handler->count++;
7781 #endif
7782 /* Check trace mode exceptions */
7783 if (unlikely(ctx->singlestep_enabled & CPU_SINGLE_STEP &&
7784 (ctx->base.pc_next <= 0x100 || ctx->base.pc_next > 0xF00) &&
7785 ctx->exception != POWERPC_SYSCALL &&
7786 ctx->exception != POWERPC_EXCP_TRAP &&
7787 ctx->exception != POWERPC_EXCP_BRANCH)) {
7788 uint32_t excp = gen_prep_dbgex(ctx, POWERPC_EXCP_TRACE);
7789 if (excp != POWERPC_EXCP_NONE)
7790 gen_exception_nip(ctx, excp, ctx->base.pc_next);
7791 }
7792
7793 if (tcg_check_temp_count()) {
7794 qemu_log("Opcode %02x %02x %02x %02x (%08x) leaked "
7795 "temporaries\n", opc1(ctx->opcode), opc2(ctx->opcode),
7796 opc3(ctx->opcode), opc4(ctx->opcode), ctx->opcode);
7797 }
7798
7799 ctx->base.is_jmp = ctx->exception == POWERPC_EXCP_NONE ?
7800 DISAS_NEXT : DISAS_NORETURN;
7801 }
7802
7803 static void ppc_tr_tb_stop(DisasContextBase *dcbase, CPUState *cs)
7804 {
7805 DisasContext *ctx = container_of(dcbase, DisasContext, base);
7806
7807 if (ctx->exception == POWERPC_EXCP_NONE) {
7808 gen_goto_tb(ctx, 0, ctx->base.pc_next);
7809 } else if (ctx->exception != POWERPC_EXCP_BRANCH) {
7810 if (unlikely(ctx->base.singlestep_enabled)) {
7811 gen_debug_exception(ctx);
7812 }
7813 /* Generate the return instruction */
7814 tcg_gen_exit_tb(NULL, 0);
7815 }
7816 }
7817
7818 static void ppc_tr_disas_log(const DisasContextBase *dcbase, CPUState *cs)
7819 {
7820 qemu_log("IN: %s\n", lookup_symbol(dcbase->pc_first));
7821 log_target_disas(cs, dcbase->pc_first, dcbase->tb->size);
7822 }
7823
7824 static const TranslatorOps ppc_tr_ops = {
7825 .init_disas_context = ppc_tr_init_disas_context,
7826 .tb_start = ppc_tr_tb_start,
7827 .insn_start = ppc_tr_insn_start,
7828 .breakpoint_check = ppc_tr_breakpoint_check,
7829 .translate_insn = ppc_tr_translate_insn,
7830 .tb_stop = ppc_tr_tb_stop,
7831 .disas_log = ppc_tr_disas_log,
7832 };
7833
7834 void gen_intermediate_code(CPUState *cs, struct TranslationBlock *tb)
7835 {
7836 DisasContext ctx;
7837
7838 translator_loop(&ppc_tr_ops, &ctx.base, cs, tb);
7839 }
7840
7841 void restore_state_to_opc(CPUPPCState *env, TranslationBlock *tb,
7842 target_ulong *data)
7843 {
7844 env->nip = data[0];
7845 }
AR7 emulation for QEMU