4 * Copyright (c) 2005 Samuel Tardieu
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
28 #define SH4_DEBUG_DISAS
29 //#define SH4_SINGLE_STEP
35 #include "qemu-common.h"
37 typedef struct DisasContext {
38 struct TranslationBlock *tb;
47 int singlestep_enabled;
51 BS_NONE = 0, /* We go out of the TB without reaching a branch or an
54 BS_STOP = 1, /* We want to stop translation for any reason */
55 BS_BRANCH = 2, /* We reached a branch condition */
56 BS_EXCP = 3, /* We reached an exception condition */
61 #include "gen-icount.h"
63 static void sh4_translate_init(void)
65 static int done_init = 0;
68 cpu_env = tcg_global_reg_new(TCG_TYPE_PTR, TCG_AREG0, "env");
72 #ifdef CONFIG_USER_ONLY
74 #define GEN_OP_LD(width, reg) \
75 void gen_op_ld##width##_T0_##reg (DisasContext *ctx) { \
76 gen_op_ld##width##_T0_##reg##_raw(); \
78 #define GEN_OP_ST(width, reg) \
79 void gen_op_st##width##_##reg##_T1 (DisasContext *ctx) { \
80 gen_op_st##width##_##reg##_T1_raw(); \
85 #define GEN_OP_LD(width, reg) \
86 void gen_op_ld##width##_T0_##reg (DisasContext *ctx) { \
87 if (ctx->memidx) gen_op_ld##width##_T0_##reg##_kernel(); \
88 else gen_op_ld##width##_T0_##reg##_user();\
90 #define GEN_OP_ST(width, reg) \
91 void gen_op_st##width##_##reg##_T1 (DisasContext *ctx) { \
92 if (ctx->memidx) gen_op_st##width##_##reg##_T1_kernel(); \
93 else gen_op_st##width##_##reg##_T1_user();\
111 void cpu_dump_state(CPUState * env, FILE * f,
112 int (*cpu_fprintf) (FILE * f, const char *fmt, ...),
116 cpu_fprintf(f, "pc=0x%08x sr=0x%08x pr=0x%08x fpscr=0x%08x\n",
117 env->pc, env->sr, env->pr, env->fpscr);
118 cpu_fprintf(f, "spc=0x%08x ssr=0x%08x gbr=0x%08x vbr=0x%08x\n",
119 env->spc, env->ssr, env->gbr, env->vbr);
120 cpu_fprintf(f, "sgr=0x%08x dbr=0x%08x delayed_pc=0x%08x fpul=0x%08x\n",
121 env->sgr, env->dbr, env->delayed_pc, env->fpul);
122 for (i = 0; i < 24; i += 4) {
123 cpu_fprintf(f, "r%d=0x%08x r%d=0x%08x r%d=0x%08x r%d=0x%08x\n",
124 i, env->gregs[i], i + 1, env->gregs[i + 1],
125 i + 2, env->gregs[i + 2], i + 3, env->gregs[i + 3]);
127 if (env->flags & DELAY_SLOT) {
128 cpu_fprintf(f, "in delay slot (delayed_pc=0x%08x)\n",
130 } else if (env->flags & DELAY_SLOT_CONDITIONAL) {
131 cpu_fprintf(f, "in conditional delay slot (delayed_pc=0x%08x)\n",
136 void cpu_sh4_reset(CPUSH4State * env)
138 #if defined(CONFIG_USER_ONLY)
139 env->sr = SR_FD; /* FD - kernel does lazy fpu context switch */
141 env->sr = 0x700000F0; /* MD, RB, BL, I3-I0 */
144 env->pc = 0xA0000000;
145 #if defined(CONFIG_USER_ONLY)
146 env->fpscr = FPSCR_PR; /* value for userspace according to the kernel */
147 set_float_rounding_mode(float_round_nearest_even, &env->fp_status); /* ?! */
149 env->fpscr = 0x00040001; /* CPU reset value according to SH4 manual */
150 set_float_rounding_mode(float_round_to_zero, &env->fp_status);
155 CPUSH4State *cpu_sh4_init(const char *cpu_model)
159 env = qemu_mallocz(sizeof(CPUSH4State));
163 sh4_translate_init();
169 static void gen_goto_tb(DisasContext * ctx, int n, target_ulong dest)
171 TranslationBlock *tb;
174 if ((tb->pc & TARGET_PAGE_MASK) == (dest & TARGET_PAGE_MASK) &&
175 !ctx->singlestep_enabled) {
176 /* Use a direct jump if in same page and singlestep not enabled */
178 gen_op_movl_imm_PC(dest);
179 tcg_gen_exit_tb((long) tb + n);
181 gen_op_movl_imm_PC(dest);
182 if (ctx->singlestep_enabled)
188 static void gen_jump(DisasContext * ctx)
190 if (ctx->delayed_pc == (uint32_t) - 1) {
191 /* Target is not statically known, it comes necessarily from a
192 delayed jump as immediate jump are conditinal jumps */
193 gen_op_movl_delayed_pc_PC();
194 if (ctx->singlestep_enabled)
198 gen_goto_tb(ctx, 0, ctx->delayed_pc);
202 /* Immediate conditional jump (bt or bf) */
203 static void gen_conditional_jump(DisasContext * ctx,
204 target_ulong ift, target_ulong ifnott)
208 l1 = gen_new_label();
210 gen_goto_tb(ctx, 0, ifnott);
212 gen_goto_tb(ctx, 1, ift);
215 /* Delayed conditional jump (bt or bf) */
216 static void gen_delayed_conditional_jump(DisasContext * ctx)
220 l1 = gen_new_label();
222 gen_goto_tb(ctx, 1, ctx->pc + 2);
227 #define B3_0 (ctx->opcode & 0xf)
228 #define B6_4 ((ctx->opcode >> 4) & 0x7)
229 #define B7_4 ((ctx->opcode >> 4) & 0xf)
230 #define B7_0 (ctx->opcode & 0xff)
231 #define B7_0s ((int32_t) (int8_t) (ctx->opcode & 0xff))
232 #define B11_0s (ctx->opcode & 0x800 ? 0xfffff000 | (ctx->opcode & 0xfff) : \
233 (ctx->opcode & 0xfff))
234 #define B11_8 ((ctx->opcode >> 8) & 0xf)
235 #define B15_12 ((ctx->opcode >> 12) & 0xf)
237 #define REG(x) ((x) < 8 && (ctx->sr & (SR_MD | SR_RB)) == (SR_MD | SR_RB) ? \
240 #define ALTREG(x) ((x) < 8 && (ctx->sr & (SR_MD | SR_RB)) != (SR_MD | SR_RB) \
243 #define FREG(x) (ctx->fpscr & FPSCR_FR ? (x) ^ 0x10 : (x))
244 #define XHACK(x) ((((x) & 1 ) << 4) | ((x) & 0xe))
245 #define XREG(x) (ctx->fpscr & FPSCR_FR ? XHACK(x) ^ 0x10 : XHACK(x))
246 #define DREG(x) FREG(x) /* Assumes lsb of (x) is always 0 */
248 #define CHECK_NOT_DELAY_SLOT \
249 if (ctx->flags & (DELAY_SLOT | DELAY_SLOT_CONDITIONAL)) \
250 {gen_op_raise_slot_illegal_instruction (); ctx->bstate = BS_EXCP; \
253 void _decode_opc(DisasContext * ctx)
256 fprintf(stderr, "Translating opcode 0x%04x\n", ctx->opcode);
258 switch (ctx->opcode) {
259 case 0x0019: /* div0u */
262 case 0x000b: /* rts */
263 CHECK_NOT_DELAY_SLOT gen_op_rts();
264 ctx->flags |= DELAY_SLOT;
265 ctx->delayed_pc = (uint32_t) - 1;
267 case 0x0028: /* clrmac */
270 case 0x0048: /* clrs */
273 case 0x0008: /* clrt */
276 case 0x0038: /* ldtlb */
277 #if defined(CONFIG_USER_ONLY)
278 assert(0); /* XXXXX */
283 case 0x002b: /* rte */
284 CHECK_NOT_DELAY_SLOT gen_op_rte();
285 ctx->flags |= DELAY_SLOT;
286 ctx->delayed_pc = (uint32_t) - 1;
288 case 0x0058: /* sets */
291 case 0x0018: /* sett */
294 case 0xfbfd: /* frchg */
296 ctx->bstate = BS_STOP;
298 case 0xf3fd: /* fschg */
300 ctx->bstate = BS_STOP;
302 case 0x0009: /* nop */
304 case 0x001b: /* sleep */
308 gen_op_raise_illegal_instruction();
309 ctx->bstate = BS_EXCP;
314 switch (ctx->opcode & 0xf000) {
315 case 0x1000: /* mov.l Rm,@(disp,Rn) */
316 gen_op_movl_rN_T0(REG(B7_4));
317 gen_op_movl_rN_T1(REG(B11_8));
318 gen_op_addl_imm_T1(B3_0 * 4);
319 gen_op_stl_T0_T1(ctx);
321 case 0x5000: /* mov.l @(disp,Rm),Rn */
322 gen_op_movl_rN_T0(REG(B7_4));
323 gen_op_addl_imm_T0(B3_0 * 4);
324 gen_op_ldl_T0_T0(ctx);
325 gen_op_movl_T0_rN(REG(B11_8));
327 case 0xe000: /* mov #imm,Rn */
328 gen_op_movl_imm_rN(B7_0s, REG(B11_8));
330 case 0x9000: /* mov.w @(disp,PC),Rn */
331 gen_op_movl_imm_T0(ctx->pc + 4 + B7_0 * 2);
332 gen_op_ldw_T0_T0(ctx);
333 gen_op_movl_T0_rN(REG(B11_8));
335 case 0xd000: /* mov.l @(disp,PC),Rn */
336 gen_op_movl_imm_T0((ctx->pc + 4 + B7_0 * 4) & ~3);
337 gen_op_ldl_T0_T0(ctx);
338 gen_op_movl_T0_rN(REG(B11_8));
340 case 0x7000: /* add #imm,Rn */
341 gen_op_add_imm_rN(B7_0s, REG(B11_8));
343 case 0xa000: /* bra disp */
345 gen_op_bra(ctx->delayed_pc = ctx->pc + 4 + B11_0s * 2);
346 ctx->flags |= DELAY_SLOT;
348 case 0xb000: /* bsr disp */
350 gen_op_bsr(ctx->pc + 4, ctx->delayed_pc =
351 ctx->pc + 4 + B11_0s * 2);
352 ctx->flags |= DELAY_SLOT;
356 switch (ctx->opcode & 0xf00f) {
357 case 0x6003: /* mov Rm,Rn */
358 gen_op_movl_rN_T0(REG(B7_4));
359 gen_op_movl_T0_rN(REG(B11_8));
361 case 0x2000: /* mov.b Rm,@Rn */
362 gen_op_movl_rN_T0(REG(B7_4));
363 gen_op_movl_rN_T1(REG(B11_8));
364 gen_op_stb_T0_T1(ctx);
366 case 0x2001: /* mov.w Rm,@Rn */
367 gen_op_movl_rN_T0(REG(B7_4));
368 gen_op_movl_rN_T1(REG(B11_8));
369 gen_op_stw_T0_T1(ctx);
371 case 0x2002: /* mov.l Rm,@Rn */
372 gen_op_movl_rN_T0(REG(B7_4));
373 gen_op_movl_rN_T1(REG(B11_8));
374 gen_op_stl_T0_T1(ctx);
376 case 0x6000: /* mov.b @Rm,Rn */
377 gen_op_movl_rN_T0(REG(B7_4));
378 gen_op_ldb_T0_T0(ctx);
379 gen_op_movl_T0_rN(REG(B11_8));
381 case 0x6001: /* mov.w @Rm,Rn */
382 gen_op_movl_rN_T0(REG(B7_4));
383 gen_op_ldw_T0_T0(ctx);
384 gen_op_movl_T0_rN(REG(B11_8));
386 case 0x6002: /* mov.l @Rm,Rn */
387 gen_op_movl_rN_T0(REG(B7_4));
388 gen_op_ldl_T0_T0(ctx);
389 gen_op_movl_T0_rN(REG(B11_8));
391 case 0x2004: /* mov.b Rm,@-Rn */
392 gen_op_movl_rN_T0(REG(B7_4));
393 gen_op_dec1_rN(REG(B11_8)); /* modify register status */
394 gen_op_movl_rN_T1(REG(B11_8));
395 gen_op_inc1_rN(REG(B11_8)); /* recover register status */
396 gen_op_stb_T0_T1(ctx); /* might cause re-execution */
397 gen_op_dec1_rN(REG(B11_8)); /* modify register status */
399 case 0x2005: /* mov.w Rm,@-Rn */
400 gen_op_movl_rN_T0(REG(B7_4));
401 gen_op_dec2_rN(REG(B11_8));
402 gen_op_movl_rN_T1(REG(B11_8));
403 gen_op_inc2_rN(REG(B11_8));
404 gen_op_stw_T0_T1(ctx);
405 gen_op_dec2_rN(REG(B11_8));
407 case 0x2006: /* mov.l Rm,@-Rn */
408 gen_op_movl_rN_T0(REG(B7_4));
409 gen_op_dec4_rN(REG(B11_8));
410 gen_op_movl_rN_T1(REG(B11_8));
411 gen_op_inc4_rN(REG(B11_8));
412 gen_op_stl_T0_T1(ctx);
413 gen_op_dec4_rN(REG(B11_8));
415 case 0x6004: /* mov.b @Rm+,Rn */
416 gen_op_movl_rN_T0(REG(B7_4));
417 gen_op_ldb_T0_T0(ctx);
418 gen_op_movl_T0_rN(REG(B11_8));
420 gen_op_inc1_rN(REG(B7_4));
422 case 0x6005: /* mov.w @Rm+,Rn */
423 gen_op_movl_rN_T0(REG(B7_4));
424 gen_op_ldw_T0_T0(ctx);
425 gen_op_movl_T0_rN(REG(B11_8));
427 gen_op_inc2_rN(REG(B7_4));
429 case 0x6006: /* mov.l @Rm+,Rn */
430 gen_op_movl_rN_T0(REG(B7_4));
431 gen_op_ldl_T0_T0(ctx);
432 gen_op_movl_T0_rN(REG(B11_8));
434 gen_op_inc4_rN(REG(B7_4));
436 case 0x0004: /* mov.b Rm,@(R0,Rn) */
437 gen_op_movl_rN_T0(REG(B7_4));
438 gen_op_movl_rN_T1(REG(B11_8));
439 gen_op_add_rN_T1(REG(0));
440 gen_op_stb_T0_T1(ctx);
442 case 0x0005: /* mov.w Rm,@(R0,Rn) */
443 gen_op_movl_rN_T0(REG(B7_4));
444 gen_op_movl_rN_T1(REG(B11_8));
445 gen_op_add_rN_T1(REG(0));
446 gen_op_stw_T0_T1(ctx);
448 case 0x0006: /* mov.l Rm,@(R0,Rn) */
449 gen_op_movl_rN_T0(REG(B7_4));
450 gen_op_movl_rN_T1(REG(B11_8));
451 gen_op_add_rN_T1(REG(0));
452 gen_op_stl_T0_T1(ctx);
454 case 0x000c: /* mov.b @(R0,Rm),Rn */
455 gen_op_movl_rN_T0(REG(B7_4));
456 gen_op_add_rN_T0(REG(0));
457 gen_op_ldb_T0_T0(ctx);
458 gen_op_movl_T0_rN(REG(B11_8));
460 case 0x000d: /* mov.w @(R0,Rm),Rn */
461 gen_op_movl_rN_T0(REG(B7_4));
462 gen_op_add_rN_T0(REG(0));
463 gen_op_ldw_T0_T0(ctx);
464 gen_op_movl_T0_rN(REG(B11_8));
466 case 0x000e: /* mov.l @(R0,Rm),Rn */
467 gen_op_movl_rN_T0(REG(B7_4));
468 gen_op_add_rN_T0(REG(0));
469 gen_op_ldl_T0_T0(ctx);
470 gen_op_movl_T0_rN(REG(B11_8));
472 case 0x6008: /* swap.b Rm,Rn */
473 gen_op_movl_rN_T0(REG(B7_4));
475 gen_op_movl_T0_rN(REG(B11_8));
477 case 0x6009: /* swap.w Rm,Rn */
478 gen_op_movl_rN_T0(REG(B7_4));
480 gen_op_movl_T0_rN(REG(B11_8));
482 case 0x200d: /* xtrct Rm,Rn */
483 gen_op_movl_rN_T0(REG(B7_4));
484 gen_op_movl_rN_T1(REG(B11_8));
485 gen_op_xtrct_T0_T1();
486 gen_op_movl_T1_rN(REG(B11_8));
488 case 0x300c: /* add Rm,Rn */
489 gen_op_movl_rN_T0(REG(B7_4));
490 gen_op_add_T0_rN(REG(B11_8));
492 case 0x300e: /* addc Rm,Rn */
493 gen_op_movl_rN_T0(REG(B7_4));
494 gen_op_movl_rN_T1(REG(B11_8));
496 gen_op_movl_T1_rN(REG(B11_8));
498 case 0x300f: /* addv Rm,Rn */
499 gen_op_movl_rN_T0(REG(B7_4));
500 gen_op_movl_rN_T1(REG(B11_8));
502 gen_op_movl_T1_rN(REG(B11_8));
504 case 0x2009: /* and Rm,Rn */
505 gen_op_movl_rN_T0(REG(B7_4));
506 gen_op_and_T0_rN(REG(B11_8));
508 case 0x3000: /* cmp/eq Rm,Rn */
509 gen_op_movl_rN_T0(REG(B7_4));
510 gen_op_movl_rN_T1(REG(B11_8));
511 gen_op_cmp_eq_T0_T1();
513 case 0x3003: /* cmp/ge Rm,Rn */
514 gen_op_movl_rN_T0(REG(B7_4));
515 gen_op_movl_rN_T1(REG(B11_8));
516 gen_op_cmp_ge_T0_T1();
518 case 0x3007: /* cmp/gt Rm,Rn */
519 gen_op_movl_rN_T0(REG(B7_4));
520 gen_op_movl_rN_T1(REG(B11_8));
521 gen_op_cmp_gt_T0_T1();
523 case 0x3006: /* cmp/hi Rm,Rn */
524 gen_op_movl_rN_T0(REG(B7_4));
525 gen_op_movl_rN_T1(REG(B11_8));
526 gen_op_cmp_hi_T0_T1();
528 case 0x3002: /* cmp/hs Rm,Rn */
529 gen_op_movl_rN_T0(REG(B7_4));
530 gen_op_movl_rN_T1(REG(B11_8));
531 gen_op_cmp_hs_T0_T1();
533 case 0x200c: /* cmp/str Rm,Rn */
534 gen_op_movl_rN_T0(REG(B7_4));
535 gen_op_movl_rN_T1(REG(B11_8));
536 gen_op_cmp_str_T0_T1();
538 case 0x2007: /* div0s Rm,Rn */
539 gen_op_movl_rN_T0(REG(B7_4));
540 gen_op_movl_rN_T1(REG(B11_8));
541 gen_op_div0s_T0_T1();
543 case 0x3004: /* div1 Rm,Rn */
544 gen_op_movl_rN_T0(REG(B7_4));
545 gen_op_movl_rN_T1(REG(B11_8));
547 gen_op_movl_T1_rN(REG(B11_8));
549 case 0x300d: /* dmuls.l Rm,Rn */
550 gen_op_movl_rN_T0(REG(B7_4));
551 gen_op_movl_rN_T1(REG(B11_8));
552 gen_op_dmulsl_T0_T1();
554 case 0x3005: /* dmulu.l Rm,Rn */
555 gen_op_movl_rN_T0(REG(B7_4));
556 gen_op_movl_rN_T1(REG(B11_8));
557 gen_op_dmulul_T0_T1();
559 case 0x600e: /* exts.b Rm,Rn */
560 gen_op_movb_rN_T0(REG(B7_4));
561 gen_op_movl_T0_rN(REG(B11_8));
563 case 0x600f: /* exts.w Rm,Rn */
564 gen_op_movw_rN_T0(REG(B7_4));
565 gen_op_movl_T0_rN(REG(B11_8));
567 case 0x600c: /* extu.b Rm,Rn */
568 gen_op_movub_rN_T0(REG(B7_4));
569 gen_op_movl_T0_rN(REG(B11_8));
571 case 0x600d: /* extu.w Rm,Rn */
572 gen_op_movuw_rN_T0(REG(B7_4));
573 gen_op_movl_T0_rN(REG(B11_8));
575 case 0x000f: /* mac.l @Rm+,@Rn+ */
576 gen_op_movl_rN_T0(REG(B11_8));
577 gen_op_ldl_T0_T0(ctx);
579 gen_op_movl_rN_T0(REG(B7_4));
580 gen_op_ldl_T0_T0(ctx);
582 gen_op_inc4_rN(REG(B11_8));
583 gen_op_inc4_rN(REG(B7_4));
585 case 0x400f: /* mac.w @Rm+,@Rn+ */
586 gen_op_movl_rN_T0(REG(B11_8));
587 gen_op_ldl_T0_T0(ctx);
589 gen_op_movl_rN_T0(REG(B7_4));
590 gen_op_ldl_T0_T0(ctx);
592 gen_op_inc2_rN(REG(B11_8));
593 gen_op_inc2_rN(REG(B7_4));
595 case 0x0007: /* mul.l Rm,Rn */
596 gen_op_movl_rN_T0(REG(B7_4));
597 gen_op_movl_rN_T1(REG(B11_8));
600 case 0x200f: /* muls.w Rm,Rn */
601 gen_op_movw_rN_T0(REG(B7_4));
602 gen_op_movw_rN_T1(REG(B11_8));
603 gen_op_mulsw_T0_T1();
605 case 0x200e: /* mulu.w Rm,Rn */
606 gen_op_movuw_rN_T0(REG(B7_4));
607 gen_op_movuw_rN_T1(REG(B11_8));
608 gen_op_muluw_T0_T1();
610 case 0x600b: /* neg Rm,Rn */
611 gen_op_movl_rN_T0(REG(B7_4));
613 gen_op_movl_T0_rN(REG(B11_8));
615 case 0x600a: /* negc Rm,Rn */
616 gen_op_movl_rN_T0(REG(B7_4));
618 gen_op_movl_T0_rN(REG(B11_8));
620 case 0x6007: /* not Rm,Rn */
621 gen_op_movl_rN_T0(REG(B7_4));
623 gen_op_movl_T0_rN(REG(B11_8));
625 case 0x200b: /* or Rm,Rn */
626 gen_op_movl_rN_T0(REG(B7_4));
627 gen_op_or_T0_rN(REG(B11_8));
629 case 0x400c: /* shad Rm,Rn */
630 gen_op_movl_rN_T0(REG(B7_4));
631 gen_op_movl_rN_T1(REG(B11_8));
633 gen_op_movl_T1_rN(REG(B11_8));
635 case 0x400d: /* shld Rm,Rn */
636 gen_op_movl_rN_T0(REG(B7_4));
637 gen_op_movl_rN_T1(REG(B11_8));
639 gen_op_movl_T1_rN(REG(B11_8));
641 case 0x3008: /* sub Rm,Rn */
642 gen_op_movl_rN_T0(REG(B7_4));
643 gen_op_sub_T0_rN(REG(B11_8));
645 case 0x300a: /* subc Rm,Rn */
646 gen_op_movl_rN_T0(REG(B7_4));
647 gen_op_movl_rN_T1(REG(B11_8));
649 gen_op_movl_T1_rN(REG(B11_8));
651 case 0x300b: /* subv Rm,Rn */
652 gen_op_movl_rN_T0(REG(B7_4));
653 gen_op_movl_rN_T1(REG(B11_8));
655 gen_op_movl_T1_rN(REG(B11_8));
657 case 0x2008: /* tst Rm,Rn */
658 gen_op_movl_rN_T0(REG(B7_4));
659 gen_op_movl_rN_T1(REG(B11_8));
662 case 0x200a: /* xor Rm,Rn */
663 gen_op_movl_rN_T0(REG(B7_4));
664 gen_op_xor_T0_rN(REG(B11_8));
666 case 0xf00c: /* fmov {F,D,X}Rm,{F,D,X}Rn - FPSCR: Nothing */
667 if (ctx->fpscr & FPSCR_SZ) {
668 gen_op_fmov_drN_DT0(XREG(B7_4));
669 gen_op_fmov_DT0_drN(XREG(B11_8));
671 gen_op_fmov_frN_FT0(FREG(B7_4));
672 gen_op_fmov_FT0_frN(FREG(B11_8));
675 case 0xf00a: /* fmov {F,D,X}Rm,@Rn - FPSCR: Nothing */
676 if (ctx->fpscr & FPSCR_SZ) {
677 gen_op_fmov_drN_DT0(XREG(B7_4));
678 gen_op_movl_rN_T1(REG(B11_8));
679 gen_op_stfq_DT0_T1(ctx);
681 gen_op_fmov_frN_FT0(FREG(B7_4));
682 gen_op_movl_rN_T1(REG(B11_8));
683 gen_op_stfl_FT0_T1(ctx);
686 case 0xf008: /* fmov @Rm,{F,D,X}Rn - FPSCR: Nothing */
687 if (ctx->fpscr & FPSCR_SZ) {
688 gen_op_movl_rN_T0(REG(B7_4));
689 gen_op_ldfq_T0_DT0(ctx);
690 gen_op_fmov_DT0_drN(XREG(B11_8));
692 gen_op_movl_rN_T0(REG(B7_4));
693 gen_op_ldfl_T0_FT0(ctx);
694 gen_op_fmov_FT0_frN(FREG(B11_8));
697 case 0xf009: /* fmov @Rm+,{F,D,X}Rn - FPSCR: Nothing */
698 if (ctx->fpscr & FPSCR_SZ) {
699 gen_op_movl_rN_T0(REG(B7_4));
700 gen_op_ldfq_T0_DT0(ctx);
701 gen_op_fmov_DT0_drN(XREG(B11_8));
702 gen_op_inc8_rN(REG(B7_4));
704 gen_op_movl_rN_T0(REG(B7_4));
705 gen_op_ldfl_T0_FT0(ctx);
706 gen_op_fmov_FT0_frN(FREG(B11_8));
707 gen_op_inc4_rN(REG(B7_4));
710 case 0xf00b: /* fmov {F,D,X}Rm,@-Rn - FPSCR: Nothing */
711 if (ctx->fpscr & FPSCR_SZ) {
712 gen_op_dec8_rN(REG(B11_8));
713 gen_op_fmov_drN_DT0(XREG(B7_4));
714 gen_op_movl_rN_T1(REG(B11_8));
715 gen_op_inc8_rN(REG(B11_8));
716 gen_op_stfq_DT0_T1(ctx);
717 gen_op_dec8_rN(REG(B11_8));
719 gen_op_dec4_rN(REG(B11_8));
720 gen_op_fmov_frN_FT0(FREG(B7_4));
721 gen_op_movl_rN_T1(REG(B11_8));
722 gen_op_inc4_rN(REG(B11_8));
723 gen_op_stfl_FT0_T1(ctx);
724 gen_op_dec4_rN(REG(B11_8));
727 case 0xf006: /* fmov @(R0,Rm),{F,D,X}Rm - FPSCR: Nothing */
728 if (ctx->fpscr & FPSCR_SZ) {
729 gen_op_movl_rN_T0(REG(B7_4));
730 gen_op_add_rN_T0(REG(0));
731 gen_op_ldfq_T0_DT0(ctx);
732 gen_op_fmov_DT0_drN(XREG(B11_8));
734 gen_op_movl_rN_T0(REG(B7_4));
735 gen_op_add_rN_T0(REG(0));
736 gen_op_ldfl_T0_FT0(ctx);
737 gen_op_fmov_FT0_frN(FREG(B11_8));
740 case 0xf007: /* fmov {F,D,X}Rn,@(R0,Rn) - FPSCR: Nothing */
741 if (ctx->fpscr & FPSCR_SZ) {
742 gen_op_fmov_drN_DT0(XREG(B7_4));
743 gen_op_movl_rN_T1(REG(B11_8));
744 gen_op_add_rN_T1(REG(0));
745 gen_op_stfq_DT0_T1(ctx);
747 gen_op_fmov_frN_FT0(FREG(B7_4));
748 gen_op_movl_rN_T1(REG(B11_8));
749 gen_op_add_rN_T1(REG(0));
750 gen_op_stfl_FT0_T1(ctx);
753 case 0xf000: /* fadd Rm,Rn - FPSCR: R[PR,Enable.O/U/I]/W[Cause,Flag] */
754 case 0xf001: /* fsub Rm,Rn - FPSCR: R[PR,Enable.O/U/I]/W[Cause,Flag] */
755 case 0xf002: /* fmul Rm,Rn - FPSCR: R[PR,Enable.O/U/I]/W[Cause,Flag] */
756 case 0xf003: /* fdiv Rm,Rn - FPSCR: R[PR,Enable.O/U/I]/W[Cause,Flag] */
757 case 0xf004: /* fcmp/eq Rm,Rn - FPSCR: R[PR,Enable.V]/W[Cause,Flag] */
758 case 0xf005: /* fcmp/gt Rm,Rn - FPSCR: R[PR,Enable.V]/W[Cause,Flag] */
759 if (ctx->fpscr & FPSCR_PR) {
760 if (ctx->opcode & 0x0110)
761 break; /* illegal instruction */
762 gen_op_fmov_drN_DT1(DREG(B7_4));
763 gen_op_fmov_drN_DT0(DREG(B11_8));
766 gen_op_fmov_frN_FT1(FREG(B7_4));
767 gen_op_fmov_frN_FT0(FREG(B11_8));
770 switch (ctx->opcode & 0xf00f) {
771 case 0xf000: /* fadd Rm,Rn */
772 ctx->fpscr & FPSCR_PR ? gen_op_fadd_DT() : gen_op_fadd_FT();
774 case 0xf001: /* fsub Rm,Rn */
775 ctx->fpscr & FPSCR_PR ? gen_op_fsub_DT() : gen_op_fsub_FT();
777 case 0xf002: /* fmul Rm,Rn */
778 ctx->fpscr & FPSCR_PR ? gen_op_fmul_DT() : gen_op_fmul_FT();
780 case 0xf003: /* fdiv Rm,Rn */
781 ctx->fpscr & FPSCR_PR ? gen_op_fdiv_DT() : gen_op_fdiv_FT();
783 case 0xf004: /* fcmp/eq Rm,Rn */
784 ctx->fpscr & FPSCR_PR ? gen_op_fcmp_eq_DT() : gen_op_fcmp_eq_FT();
786 case 0xf005: /* fcmp/gt Rm,Rn */
787 ctx->fpscr & FPSCR_PR ? gen_op_fcmp_gt_DT() : gen_op_fcmp_gt_FT();
791 if (ctx->fpscr & FPSCR_PR) {
792 gen_op_fmov_DT0_drN(DREG(B11_8));
795 gen_op_fmov_FT0_frN(FREG(B11_8));
800 switch (ctx->opcode & 0xff00) {
801 case 0xc900: /* and #imm,R0 */
802 gen_op_and_imm_rN(B7_0, REG(0));
804 case 0xcd00: /* and.b #imm,@(R0,GBR) */
805 gen_op_movl_rN_T0(REG(0));
806 gen_op_addl_GBR_T0();
808 gen_op_ldub_T0_T0(ctx);
809 gen_op_and_imm_T0(B7_0);
810 gen_op_stb_T0_T1(ctx);
812 case 0x8b00: /* bf label */
814 gen_conditional_jump(ctx, ctx->pc + 2,
815 ctx->pc + 4 + B7_0s * 2);
816 ctx->bstate = BS_BRANCH;
818 case 0x8f00: /* bf/s label */
820 gen_op_bf_s(ctx->delayed_pc = ctx->pc + 4 + B7_0s * 2);
821 ctx->flags |= DELAY_SLOT_CONDITIONAL;
823 case 0x8900: /* bt label */
825 gen_conditional_jump(ctx, ctx->pc + 4 + B7_0s * 2,
827 ctx->bstate = BS_BRANCH;
829 case 0x8d00: /* bt/s label */
831 gen_op_bt_s(ctx->delayed_pc = ctx->pc + 4 + B7_0s * 2);
832 ctx->flags |= DELAY_SLOT_CONDITIONAL;
834 case 0x8800: /* cmp/eq #imm,R0 */
835 gen_op_movl_rN_T0(REG(0));
836 gen_op_cmp_eq_imm_T0(B7_0s);
838 case 0xc400: /* mov.b @(disp,GBR),R0 */
840 gen_op_addl_imm_T0(B7_0);
841 gen_op_ldb_T0_T0(ctx);
842 gen_op_movl_T0_rN(REG(0));
844 case 0xc500: /* mov.w @(disp,GBR),R0 */
846 gen_op_addl_imm_T0(B7_0 * 2);
847 gen_op_ldw_T0_T0(ctx);
848 gen_op_movl_T0_rN(REG(0));
850 case 0xc600: /* mov.l @(disp,GBR),R0 */
852 gen_op_addl_imm_T0(B7_0 * 4);
853 gen_op_ldl_T0_T0(ctx);
854 gen_op_movl_T0_rN(REG(0));
856 case 0xc000: /* mov.b R0,@(disp,GBR) */
858 gen_op_addl_imm_T0(B7_0);
860 gen_op_movl_rN_T0(REG(0));
861 gen_op_stb_T0_T1(ctx);
863 case 0xc100: /* mov.w R0,@(disp,GBR) */
865 gen_op_addl_imm_T0(B7_0 * 2);
867 gen_op_movl_rN_T0(REG(0));
868 gen_op_stw_T0_T1(ctx);
870 case 0xc200: /* mov.l R0,@(disp,GBR) */
872 gen_op_addl_imm_T0(B7_0 * 4);
874 gen_op_movl_rN_T0(REG(0));
875 gen_op_stl_T0_T1(ctx);
877 case 0x8000: /* mov.b R0,@(disp,Rn) */
878 gen_op_movl_rN_T0(REG(0));
879 gen_op_movl_rN_T1(REG(B7_4));
880 gen_op_addl_imm_T1(B3_0);
881 gen_op_stb_T0_T1(ctx);
883 case 0x8100: /* mov.w R0,@(disp,Rn) */
884 gen_op_movl_rN_T0(REG(0));
885 gen_op_movl_rN_T1(REG(B7_4));
886 gen_op_addl_imm_T1(B3_0 * 2);
887 gen_op_stw_T0_T1(ctx);
889 case 0x8400: /* mov.b @(disp,Rn),R0 */
890 gen_op_movl_rN_T0(REG(B7_4));
891 gen_op_addl_imm_T0(B3_0);
892 gen_op_ldb_T0_T0(ctx);
893 gen_op_movl_T0_rN(REG(0));
895 case 0x8500: /* mov.w @(disp,Rn),R0 */
896 gen_op_movl_rN_T0(REG(B7_4));
897 gen_op_addl_imm_T0(B3_0 * 2);
898 gen_op_ldw_T0_T0(ctx);
899 gen_op_movl_T0_rN(REG(0));
901 case 0xc700: /* mova @(disp,PC),R0 */
902 gen_op_movl_imm_rN(((ctx->pc & 0xfffffffc) + 4 + B7_0 * 4) & ~3,
905 case 0xcb00: /* or #imm,R0 */
906 gen_op_or_imm_rN(B7_0, REG(0));
908 case 0xcf00: /* or.b #imm,@(R0,GBR) */
909 gen_op_movl_rN_T0(REG(0));
910 gen_op_addl_GBR_T0();
912 gen_op_ldub_T0_T0(ctx);
913 gen_op_or_imm_T0(B7_0);
914 gen_op_stb_T0_T1(ctx);
916 case 0xc300: /* trapa #imm */
917 CHECK_NOT_DELAY_SLOT gen_op_movl_imm_PC(ctx->pc);
919 ctx->bstate = BS_BRANCH;
921 case 0xc800: /* tst #imm,R0 */
922 gen_op_tst_imm_rN(B7_0, REG(0));
924 case 0xcc00: /* tst.b #imm,@(R0,GBR) */
925 gen_op_movl_rN_T0(REG(0));
926 gen_op_addl_GBR_T0();
927 gen_op_ldub_T0_T0(ctx);
928 gen_op_tst_imm_T0(B7_0);
930 case 0xca00: /* xor #imm,R0 */
931 gen_op_xor_imm_rN(B7_0, REG(0));
933 case 0xce00: /* xor.b #imm,@(R0,GBR) */
934 gen_op_movl_rN_T0(REG(0));
935 gen_op_addl_GBR_T0();
937 gen_op_ldub_T0_T0(ctx);
938 gen_op_xor_imm_T0(B7_0);
939 gen_op_stb_T0_T1(ctx);
943 switch (ctx->opcode & 0xf08f) {
944 case 0x408e: /* ldc Rm,Rn_BANK */
945 gen_op_movl_rN_rN(REG(B11_8), ALTREG(B6_4));
947 case 0x4087: /* ldc.l @Rm+,Rn_BANK */
948 gen_op_movl_rN_T0(REG(B11_8));
949 gen_op_ldl_T0_T0(ctx);
950 gen_op_movl_T0_rN(ALTREG(B6_4));
951 gen_op_inc4_rN(REG(B11_8));
953 case 0x0082: /* stc Rm_BANK,Rn */
954 gen_op_movl_rN_rN(ALTREG(B6_4), REG(B11_8));
956 case 0x4083: /* stc.l Rm_BANK,@-Rn */
957 gen_op_dec4_rN(REG(B11_8));
958 gen_op_movl_rN_T1(REG(B11_8));
959 gen_op_movl_rN_T0(ALTREG(B6_4));
960 gen_op_inc4_rN(REG(B11_8));
961 gen_op_stl_T0_T1(ctx);
962 gen_op_dec4_rN(REG(B11_8));
966 switch (ctx->opcode & 0xf0ff) {
967 case 0x0023: /* braf Rn */
968 CHECK_NOT_DELAY_SLOT gen_op_movl_rN_T0(REG(B11_8));
969 gen_op_braf_T0(ctx->pc + 4);
970 ctx->flags |= DELAY_SLOT;
971 ctx->delayed_pc = (uint32_t) - 1;
973 case 0x0003: /* bsrf Rn */
974 CHECK_NOT_DELAY_SLOT gen_op_movl_rN_T0(REG(B11_8));
975 gen_op_bsrf_T0(ctx->pc + 4);
976 ctx->flags |= DELAY_SLOT;
977 ctx->delayed_pc = (uint32_t) - 1;
979 case 0x4015: /* cmp/pl Rn */
980 gen_op_movl_rN_T0(REG(B11_8));
983 case 0x4011: /* cmp/pz Rn */
984 gen_op_movl_rN_T0(REG(B11_8));
987 case 0x4010: /* dt Rn */
988 gen_op_dt_rN(REG(B11_8));
990 case 0x402b: /* jmp @Rn */
991 CHECK_NOT_DELAY_SLOT gen_op_movl_rN_T0(REG(B11_8));
993 ctx->flags |= DELAY_SLOT;
994 ctx->delayed_pc = (uint32_t) - 1;
996 case 0x400b: /* jsr @Rn */
997 CHECK_NOT_DELAY_SLOT gen_op_movl_rN_T0(REG(B11_8));
998 gen_op_jsr_T0(ctx->pc + 4);
999 ctx->flags |= DELAY_SLOT;
1000 ctx->delayed_pc = (uint32_t) - 1;
1002 #define LDST(reg,ldnum,ldpnum,ldop,stnum,stpnum,stop,extrald) \
1004 gen_op_movl_rN_T0 (REG(B11_8)); \
1005 gen_op_##ldop##_T0_##reg (); \
1009 gen_op_movl_rN_T0 (REG(B11_8)); \
1010 gen_op_ldl_T0_T0 (ctx); \
1011 gen_op_inc4_rN (REG(B11_8)); \
1012 gen_op_##ldop##_T0_##reg (); \
1016 gen_op_##stop##_##reg##_T0 (); \
1017 gen_op_movl_T0_rN (REG(B11_8)); \
1020 gen_op_##stop##_##reg##_T0 (); \
1021 gen_op_dec4_rN (REG(B11_8)); \
1022 gen_op_movl_rN_T1 (REG(B11_8)); \
1023 gen_op_inc4_rN (REG(B11_8)); \
1024 gen_op_stl_T0_T1 (ctx); \
1025 gen_op_dec4_rN (REG(B11_8)); \
1027 LDST(sr, 0x400e, 0x4007, ldc, 0x0002, 0x4003, stc, ctx->bstate =
1029 LDST(gbr, 0x401e, 0x4017, ldc, 0x0012, 0x4013, stc,)
1030 LDST(vbr, 0x402e, 0x4027, ldc, 0x0022, 0x4023, stc,)
1031 LDST(ssr, 0x403e, 0x4037, ldc, 0x0032, 0x4033, stc,)
1032 LDST(spc, 0x404e, 0x4047, ldc, 0x0042, 0x4043, stc,)
1033 LDST(dbr, 0x40fa, 0x40f6, ldc, 0x00fa, 0x40f2, stc,)
1034 LDST(mach, 0x400a, 0x4006, lds, 0x000a, 0x4002, sts,)
1035 LDST(macl, 0x401a, 0x4016, lds, 0x001a, 0x4012, sts,)
1036 LDST(pr, 0x402a, 0x4026, lds, 0x002a, 0x4022, sts,)
1037 LDST(fpul, 0x405a, 0x4056, lds, 0x005a, 0x4052, sts,)
1038 LDST(fpscr, 0x406a, 0x4066, lds, 0x006a, 0x4062, sts, ctx->bstate =
1040 case 0x00c3: /* movca.l R0,@Rm */
1041 gen_op_movl_rN_T0(REG(0));
1042 gen_op_movl_rN_T1(REG(B11_8));
1043 gen_op_stl_T0_T1(ctx);
1045 case 0x0029: /* movt Rn */
1046 gen_op_movt_rN(REG(B11_8));
1048 case 0x0093: /* ocbi @Rn */
1049 gen_op_movl_rN_T0(REG(B11_8));
1050 gen_op_ldl_T0_T0(ctx);
1052 case 0x00a3: /* ocbp @Rn */
1053 gen_op_movl_rN_T0(REG(B11_8));
1054 gen_op_ldl_T0_T0(ctx);
1056 case 0x00b3: /* ocbwb @Rn */
1057 gen_op_movl_rN_T0(REG(B11_8));
1058 gen_op_ldl_T0_T0(ctx);
1060 case 0x0083: /* pref @Rn */
1062 case 0x4024: /* rotcl Rn */
1063 gen_op_rotcl_Rn(REG(B11_8));
1065 case 0x4025: /* rotcr Rn */
1066 gen_op_rotcr_Rn(REG(B11_8));
1068 case 0x4004: /* rotl Rn */
1069 gen_op_rotl_Rn(REG(B11_8));
1071 case 0x4005: /* rotr Rn */
1072 gen_op_rotr_Rn(REG(B11_8));
1074 case 0x4000: /* shll Rn */
1075 case 0x4020: /* shal Rn */
1076 gen_op_shal_Rn(REG(B11_8));
1078 case 0x4021: /* shar Rn */
1079 gen_op_shar_Rn(REG(B11_8));
1081 case 0x4001: /* shlr Rn */
1082 gen_op_shlr_Rn(REG(B11_8));
1084 case 0x4008: /* shll2 Rn */
1085 gen_op_shll2_Rn(REG(B11_8));
1087 case 0x4018: /* shll8 Rn */
1088 gen_op_shll8_Rn(REG(B11_8));
1090 case 0x4028: /* shll16 Rn */
1091 gen_op_shll16_Rn(REG(B11_8));
1093 case 0x4009: /* shlr2 Rn */
1094 gen_op_shlr2_Rn(REG(B11_8));
1096 case 0x4019: /* shlr8 Rn */
1097 gen_op_shlr8_Rn(REG(B11_8));
1099 case 0x4029: /* shlr16 Rn */
1100 gen_op_shlr16_Rn(REG(B11_8));
1102 case 0x401b: /* tas.b @Rn */
1103 gen_op_tasb_rN(REG(B11_8));
1105 case 0xf00d: /* fsts FPUL,FRn - FPSCR: Nothing */
1106 gen_op_movl_fpul_FT0();
1107 gen_op_fmov_FT0_frN(FREG(B11_8));
1109 case 0xf01d: /* flds FRm,FPUL - FPSCR: Nothing */
1110 gen_op_fmov_frN_FT0(FREG(B11_8));
1111 gen_op_movl_FT0_fpul();
1113 case 0xf02d: /* float FPUL,FRn/DRn - FPSCR: R[PR,Enable.I]/W[Cause,Flag] */
1114 if (ctx->fpscr & FPSCR_PR) {
1115 if (ctx->opcode & 0x0100)
1116 break; /* illegal instruction */
1118 gen_op_fmov_DT0_drN(DREG(B11_8));
1122 gen_op_fmov_FT0_frN(FREG(B11_8));
1125 case 0xf03d: /* ftrc FRm/DRm,FPUL - FPSCR: R[PR,Enable.V]/W[Cause,Flag] */
1126 if (ctx->fpscr & FPSCR_PR) {
1127 if (ctx->opcode & 0x0100)
1128 break; /* illegal instruction */
1129 gen_op_fmov_drN_DT0(DREG(B11_8));
1133 gen_op_fmov_frN_FT0(FREG(B11_8));
1137 case 0xf04d: /* fneg FRn/DRn - FPSCR: Nothing */
1138 gen_op_fneg_frN(FREG(B11_8));
1140 case 0xf05d: /* fabs FRn/DRn */
1141 if (ctx->fpscr & FPSCR_PR) {
1142 if (ctx->opcode & 0x0100)
1143 break; /* illegal instruction */
1144 gen_op_fmov_drN_DT0(DREG(B11_8));
1146 gen_op_fmov_DT0_drN(DREG(B11_8));
1148 gen_op_fmov_frN_FT0(FREG(B11_8));
1150 gen_op_fmov_FT0_frN(FREG(B11_8));
1153 case 0xf06d: /* fsqrt FRn */
1154 if (ctx->fpscr & FPSCR_PR) {
1155 if (ctx->opcode & 0x0100)
1156 break; /* illegal instruction */
1157 gen_op_fmov_drN_DT0(FREG(B11_8));
1159 gen_op_fmov_DT0_drN(FREG(B11_8));
1161 gen_op_fmov_frN_FT0(FREG(B11_8));
1163 gen_op_fmov_FT0_frN(FREG(B11_8));
1166 case 0xf07d: /* fsrra FRn */
1168 case 0xf08d: /* fldi0 FRn - FPSCR: R[PR] */
1169 if (!(ctx->fpscr & FPSCR_PR)) {
1170 gen_op_movl_imm_T0(0);
1171 gen_op_fmov_T0_frN(FREG(B11_8));
1175 case 0xf09d: /* fldi1 FRn - FPSCR: R[PR] */
1176 if (!(ctx->fpscr & FPSCR_PR)) {
1177 gen_op_movl_imm_T0(0x3f800000);
1178 gen_op_fmov_T0_frN(FREG(B11_8));
1182 case 0xf0ad: /* fcnvsd FPUL,DRn */
1183 gen_op_movl_fpul_FT0();
1184 gen_op_fcnvsd_FT_DT();
1185 gen_op_fmov_DT0_drN(DREG(B11_8));
1187 case 0xf0bd: /* fcnvds DRn,FPUL */
1188 gen_op_fmov_drN_DT0(DREG(B11_8));
1189 gen_op_fcnvds_DT_FT();
1190 gen_op_movl_FT0_fpul();
1194 fprintf(stderr, "unknown instruction 0x%04x at pc 0x%08x\n",
1195 ctx->opcode, ctx->pc);
1196 gen_op_raise_illegal_instruction();
1197 ctx->bstate = BS_EXCP;
1200 void decode_opc(DisasContext * ctx)
1202 uint32_t old_flags = ctx->flags;
1206 if (old_flags & (DELAY_SLOT | DELAY_SLOT_CONDITIONAL)) {
1207 if (ctx->flags & DELAY_SLOT_CLEARME) {
1208 gen_op_store_flags(0);
1210 /* go out of the delay slot */
1211 uint32_t new_flags = ctx->flags;
1212 new_flags &= ~(DELAY_SLOT | DELAY_SLOT_CONDITIONAL);
1213 gen_op_store_flags(new_flags);
1216 ctx->bstate = BS_BRANCH;
1217 if (old_flags & DELAY_SLOT_CONDITIONAL) {
1218 gen_delayed_conditional_jump(ctx);
1219 } else if (old_flags & DELAY_SLOT) {
1225 /* go into a delay slot */
1226 if (ctx->flags & (DELAY_SLOT | DELAY_SLOT_CONDITIONAL))
1227 gen_op_store_flags(ctx->flags);
1231 gen_intermediate_code_internal(CPUState * env, TranslationBlock * tb,
1235 target_ulong pc_start;
1236 static uint16_t *gen_opc_end;
1242 gen_opc_end = gen_opc_buf + OPC_MAX_SIZE;
1244 ctx.flags = (uint32_t)tb->flags;
1245 ctx.bstate = BS_NONE;
1247 ctx.fpscr = env->fpscr;
1248 ctx.memidx = (env->sr & SR_MD) ? 1 : 0;
1249 /* We don't know if the delayed pc came from a dynamic or static branch,
1250 so assume it is a dynamic branch. */
1251 ctx.delayed_pc = -1; /* use delayed pc from env pointer */
1253 ctx.singlestep_enabled = env->singlestep_enabled;
1256 if (loglevel & CPU_LOG_TB_CPU) {
1258 "------------------------------------------------\n");
1259 cpu_dump_state(env, logfile, fprintf, 0);
1265 max_insns = tb->cflags & CF_COUNT_MASK;
1267 max_insns = CF_COUNT_MASK;
1269 while (ctx.bstate == BS_NONE && gen_opc_ptr < gen_opc_end) {
1270 if (env->nb_breakpoints > 0) {
1271 for (i = 0; i < env->nb_breakpoints; i++) {
1272 if (ctx.pc == env->breakpoints[i]) {
1273 /* We have hit a breakpoint - make sure PC is up-to-date */
1274 gen_op_movl_imm_PC(ctx.pc);
1276 ctx.bstate = BS_EXCP;
1282 i = gen_opc_ptr - gen_opc_buf;
1286 gen_opc_instr_start[ii++] = 0;
1288 gen_opc_pc[ii] = ctx.pc;
1289 gen_opc_hflags[ii] = ctx.flags;
1290 gen_opc_instr_start[ii] = 1;
1291 gen_opc_icount[ii] = num_insns;
1293 if (num_insns + 1 == max_insns && (tb->cflags & CF_LAST_IO))
1296 fprintf(stderr, "Loading opcode at address 0x%08x\n", ctx.pc);
1299 ctx.opcode = lduw_code(ctx.pc);
1303 if ((ctx.pc & (TARGET_PAGE_SIZE - 1)) == 0)
1305 if (env->singlestep_enabled)
1307 if (num_insns >= max_insns)
1309 #ifdef SH4_SINGLE_STEP
1313 if (tb->cflags & CF_LAST_IO)
1315 if (env->singlestep_enabled) {
1318 switch (ctx.bstate) {
1320 /* gen_op_interrupt_restart(); */
1324 gen_op_store_flags(ctx.flags | DELAY_SLOT_CLEARME);
1326 gen_goto_tb(&ctx, 0, ctx.pc);
1329 /* gen_op_interrupt_restart(); */
1338 gen_icount_end(tb, num_insns);
1339 *gen_opc_ptr = INDEX_op_end;
1341 i = gen_opc_ptr - gen_opc_buf;
1344 gen_opc_instr_start[ii++] = 0;
1346 tb->size = ctx.pc - pc_start;
1347 tb->icount = num_insns;
1351 #ifdef SH4_DEBUG_DISAS
1352 if (loglevel & CPU_LOG_TB_IN_ASM)
1353 fprintf(logfile, "\n");
1355 if (loglevel & CPU_LOG_TB_IN_ASM) {
1356 fprintf(logfile, "IN:\n"); /* , lookup_symbol(pc_start)); */
1357 target_disas(logfile, pc_start, ctx.pc - pc_start, 0);
1358 fprintf(logfile, "\n");
1363 void gen_intermediate_code(CPUState * env, struct TranslationBlock *tb)
1365 gen_intermediate_code_internal(env, tb, 0);
1368 void gen_intermediate_code_pc(CPUState * env, struct TranslationBlock *tb)
1370 gen_intermediate_code_internal(env, tb, 1);
1373 void gen_pc_load(CPUState *env, TranslationBlock *tb,
1374 unsigned long searched_pc, int pc_pos, void *puc)
1376 env->pc = gen_opc_pc[pc_pos];
1377 env->flags = gen_opc_hflags[pc_pos];