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 for (i = 0; i < 24; i += 4) {
119 cpu_fprintf(f, "r%d=0x%08x r%d=0x%08x r%d=0x%08x r%d=0x%08x\n",
120 i, env->gregs[i], i + 1, env->gregs[i + 1],
121 i + 2, env->gregs[i + 2], i + 3, env->gregs[i + 3]);
123 if (env->flags & DELAY_SLOT) {
124 cpu_fprintf(f, "in delay slot (delayed_pc=0x%08x)\n",
126 } else if (env->flags & DELAY_SLOT_CONDITIONAL) {
127 cpu_fprintf(f, "in conditional delay slot (delayed_pc=0x%08x)\n",
132 void cpu_sh4_reset(CPUSH4State * env)
134 #if defined(CONFIG_USER_ONLY)
135 env->sr = SR_FD; /* FD - kernel does lazy fpu context switch */
137 env->sr = 0x700000F0; /* MD, RB, BL, I3-I0 */
140 env->pc = 0xA0000000;
141 #if defined(CONFIG_USER_ONLY)
142 env->fpscr = FPSCR_PR; /* value for userspace according to the kernel */
143 set_float_rounding_mode(float_round_nearest_even, &env->fp_status); /* ?! */
145 env->fpscr = 0x00040001; /* CPU reset value according to SH4 manual */
146 set_float_rounding_mode(float_round_to_zero, &env->fp_status);
151 CPUSH4State *cpu_sh4_init(const char *cpu_model)
155 env = qemu_mallocz(sizeof(CPUSH4State));
159 sh4_translate_init();
165 static void gen_goto_tb(DisasContext * ctx, int n, target_ulong dest)
167 TranslationBlock *tb;
170 if ((tb->pc & TARGET_PAGE_MASK) == (dest & TARGET_PAGE_MASK) &&
171 !ctx->singlestep_enabled) {
172 /* Use a direct jump if in same page and singlestep not enabled */
174 gen_op_movl_imm_PC(dest);
175 tcg_gen_exit_tb((long) tb + n);
177 gen_op_movl_imm_PC(dest);
178 if (ctx->singlestep_enabled)
184 static void gen_jump(DisasContext * ctx)
186 if (ctx->delayed_pc == (uint32_t) - 1) {
187 /* Target is not statically known, it comes necessarily from a
188 delayed jump as immediate jump are conditinal jumps */
189 gen_op_movl_delayed_pc_PC();
190 if (ctx->singlestep_enabled)
194 gen_goto_tb(ctx, 0, ctx->delayed_pc);
198 /* Immediate conditional jump (bt or bf) */
199 static void gen_conditional_jump(DisasContext * ctx,
200 target_ulong ift, target_ulong ifnott)
204 l1 = gen_new_label();
206 gen_goto_tb(ctx, 0, ifnott);
208 gen_goto_tb(ctx, 1, ift);
211 /* Delayed conditional jump (bt or bf) */
212 static void gen_delayed_conditional_jump(DisasContext * ctx)
216 l1 = gen_new_label();
218 gen_goto_tb(ctx, 1, ctx->pc + 2);
223 #define B3_0 (ctx->opcode & 0xf)
224 #define B6_4 ((ctx->opcode >> 4) & 0x7)
225 #define B7_4 ((ctx->opcode >> 4) & 0xf)
226 #define B7_0 (ctx->opcode & 0xff)
227 #define B7_0s ((int32_t) (int8_t) (ctx->opcode & 0xff))
228 #define B11_0s (ctx->opcode & 0x800 ? 0xfffff000 | (ctx->opcode & 0xfff) : \
229 (ctx->opcode & 0xfff))
230 #define B11_8 ((ctx->opcode >> 8) & 0xf)
231 #define B15_12 ((ctx->opcode >> 12) & 0xf)
233 #define REG(x) ((x) < 8 && (ctx->sr & (SR_MD | SR_RB)) == (SR_MD | SR_RB) ? \
236 #define ALTREG(x) ((x) < 8 && (ctx->sr & (SR_MD | SR_RB)) != (SR_MD | SR_RB) \
239 #define FREG(x) (ctx->fpscr & FPSCR_FR ? (x) ^ 0x10 : (x))
240 #define XHACK(x) ((((x) & 1 ) << 4) | ((x) & 0xe))
241 #define XREG(x) (ctx->fpscr & FPSCR_FR ? XHACK(x) ^ 0x10 : XHACK(x))
242 #define DREG(x) FREG(x) /* Assumes lsb of (x) is always 0 */
244 #define CHECK_NOT_DELAY_SLOT \
245 if (ctx->flags & (DELAY_SLOT | DELAY_SLOT_CONDITIONAL)) \
246 {gen_op_raise_slot_illegal_instruction (); ctx->bstate = BS_EXCP; \
249 void _decode_opc(DisasContext * ctx)
252 fprintf(stderr, "Translating opcode 0x%04x\n", ctx->opcode);
254 switch (ctx->opcode) {
255 case 0x0019: /* div0u */
258 case 0x000b: /* rts */
259 CHECK_NOT_DELAY_SLOT gen_op_rts();
260 ctx->flags |= DELAY_SLOT;
261 ctx->delayed_pc = (uint32_t) - 1;
263 case 0x0028: /* clrmac */
266 case 0x0048: /* clrs */
269 case 0x0008: /* clrt */
272 case 0x0038: /* ldtlb */
273 #if defined(CONFIG_USER_ONLY)
274 assert(0); /* XXXXX */
279 case 0x002b: /* rte */
280 CHECK_NOT_DELAY_SLOT gen_op_rte();
281 ctx->flags |= DELAY_SLOT;
282 ctx->delayed_pc = (uint32_t) - 1;
284 case 0x0058: /* sets */
287 case 0x0018: /* sett */
290 case 0xfbfd: /* frchg */
292 ctx->bstate = BS_STOP;
294 case 0xf3fd: /* fschg */
296 ctx->bstate = BS_STOP;
298 case 0x0009: /* nop */
300 case 0x001b: /* sleep */
304 gen_op_raise_illegal_instruction();
305 ctx->bstate = BS_EXCP;
310 switch (ctx->opcode & 0xf000) {
311 case 0x1000: /* mov.l Rm,@(disp,Rn) */
312 gen_op_movl_rN_T0(REG(B7_4));
313 gen_op_movl_rN_T1(REG(B11_8));
314 gen_op_addl_imm_T1(B3_0 * 4);
315 gen_op_stl_T0_T1(ctx);
317 case 0x5000: /* mov.l @(disp,Rm),Rn */
318 gen_op_movl_rN_T0(REG(B7_4));
319 gen_op_addl_imm_T0(B3_0 * 4);
320 gen_op_ldl_T0_T0(ctx);
321 gen_op_movl_T0_rN(REG(B11_8));
323 case 0xe000: /* mov #imm,Rn */
324 gen_op_movl_imm_rN(B7_0s, REG(B11_8));
326 case 0x9000: /* mov.w @(disp,PC),Rn */
327 gen_op_movl_imm_T0(ctx->pc + 4 + B7_0 * 2);
328 gen_op_ldw_T0_T0(ctx);
329 gen_op_movl_T0_rN(REG(B11_8));
331 case 0xd000: /* mov.l @(disp,PC),Rn */
332 gen_op_movl_imm_T0((ctx->pc + 4 + B7_0 * 4) & ~3);
333 gen_op_ldl_T0_T0(ctx);
334 gen_op_movl_T0_rN(REG(B11_8));
336 case 0x7000: /* add #imm,Rn */
337 gen_op_add_imm_rN(B7_0s, REG(B11_8));
339 case 0xa000: /* bra disp */
341 gen_op_bra(ctx->delayed_pc = ctx->pc + 4 + B11_0s * 2);
342 ctx->flags |= DELAY_SLOT;
344 case 0xb000: /* bsr disp */
346 gen_op_bsr(ctx->pc + 4, ctx->delayed_pc =
347 ctx->pc + 4 + B11_0s * 2);
348 ctx->flags |= DELAY_SLOT;
352 switch (ctx->opcode & 0xf00f) {
353 case 0x6003: /* mov Rm,Rn */
354 gen_op_movl_rN_T0(REG(B7_4));
355 gen_op_movl_T0_rN(REG(B11_8));
357 case 0x2000: /* mov.b Rm,@Rn */
358 gen_op_movl_rN_T0(REG(B7_4));
359 gen_op_movl_rN_T1(REG(B11_8));
360 gen_op_stb_T0_T1(ctx);
362 case 0x2001: /* mov.w Rm,@Rn */
363 gen_op_movl_rN_T0(REG(B7_4));
364 gen_op_movl_rN_T1(REG(B11_8));
365 gen_op_stw_T0_T1(ctx);
367 case 0x2002: /* mov.l Rm,@Rn */
368 gen_op_movl_rN_T0(REG(B7_4));
369 gen_op_movl_rN_T1(REG(B11_8));
370 gen_op_stl_T0_T1(ctx);
372 case 0x6000: /* mov.b @Rm,Rn */
373 gen_op_movl_rN_T0(REG(B7_4));
374 gen_op_ldb_T0_T0(ctx);
375 gen_op_movl_T0_rN(REG(B11_8));
377 case 0x6001: /* mov.w @Rm,Rn */
378 gen_op_movl_rN_T0(REG(B7_4));
379 gen_op_ldw_T0_T0(ctx);
380 gen_op_movl_T0_rN(REG(B11_8));
382 case 0x6002: /* mov.l @Rm,Rn */
383 gen_op_movl_rN_T0(REG(B7_4));
384 gen_op_ldl_T0_T0(ctx);
385 gen_op_movl_T0_rN(REG(B11_8));
387 case 0x2004: /* mov.b Rm,@-Rn */
388 gen_op_movl_rN_T0(REG(B7_4));
389 gen_op_dec1_rN(REG(B11_8));
390 gen_op_movl_rN_T1(REG(B11_8));
391 gen_op_stb_T0_T1(ctx);
393 case 0x2005: /* mov.w Rm,@-Rn */
394 gen_op_movl_rN_T0(REG(B7_4));
395 gen_op_dec2_rN(REG(B11_8));
396 gen_op_movl_rN_T1(REG(B11_8));
397 gen_op_stw_T0_T1(ctx);
399 case 0x2006: /* mov.l Rm,@-Rn */
400 gen_op_movl_rN_T0(REG(B7_4));
401 gen_op_dec4_rN(REG(B11_8));
402 gen_op_movl_rN_T1(REG(B11_8));
403 gen_op_stl_T0_T1(ctx);
405 case 0x6004: /* mov.b @Rm+,Rn */
406 gen_op_movl_rN_T0(REG(B7_4));
407 gen_op_ldb_T0_T0(ctx);
408 gen_op_movl_T0_rN(REG(B11_8));
410 gen_op_inc1_rN(REG(B7_4));
412 case 0x6005: /* mov.w @Rm+,Rn */
413 gen_op_movl_rN_T0(REG(B7_4));
414 gen_op_ldw_T0_T0(ctx);
415 gen_op_movl_T0_rN(REG(B11_8));
417 gen_op_inc2_rN(REG(B7_4));
419 case 0x6006: /* mov.l @Rm+,Rn */
420 gen_op_movl_rN_T0(REG(B7_4));
421 gen_op_ldl_T0_T0(ctx);
422 gen_op_movl_T0_rN(REG(B11_8));
424 gen_op_inc4_rN(REG(B7_4));
426 case 0x0004: /* mov.b Rm,@(R0,Rn) */
427 gen_op_movl_rN_T0(REG(B7_4));
428 gen_op_movl_rN_T1(REG(B11_8));
429 gen_op_add_rN_T1(REG(0));
430 gen_op_stb_T0_T1(ctx);
432 case 0x0005: /* mov.w Rm,@(R0,Rn) */
433 gen_op_movl_rN_T0(REG(B7_4));
434 gen_op_movl_rN_T1(REG(B11_8));
435 gen_op_add_rN_T1(REG(0));
436 gen_op_stw_T0_T1(ctx);
438 case 0x0006: /* mov.l Rm,@(R0,Rn) */
439 gen_op_movl_rN_T0(REG(B7_4));
440 gen_op_movl_rN_T1(REG(B11_8));
441 gen_op_add_rN_T1(REG(0));
442 gen_op_stl_T0_T1(ctx);
444 case 0x000c: /* mov.b @(R0,Rm),Rn */
445 gen_op_movl_rN_T0(REG(B7_4));
446 gen_op_add_rN_T0(REG(0));
447 gen_op_ldb_T0_T0(ctx);
448 gen_op_movl_T0_rN(REG(B11_8));
450 case 0x000d: /* mov.w @(R0,Rm),Rn */
451 gen_op_movl_rN_T0(REG(B7_4));
452 gen_op_add_rN_T0(REG(0));
453 gen_op_ldw_T0_T0(ctx);
454 gen_op_movl_T0_rN(REG(B11_8));
456 case 0x000e: /* mov.l @(R0,Rm),Rn */
457 gen_op_movl_rN_T0(REG(B7_4));
458 gen_op_add_rN_T0(REG(0));
459 gen_op_ldl_T0_T0(ctx);
460 gen_op_movl_T0_rN(REG(B11_8));
462 case 0x6008: /* swap.b Rm,Rn */
463 gen_op_movl_rN_T0(REG(B7_4));
465 gen_op_movl_T0_rN(REG(B11_8));
467 case 0x6009: /* swap.w Rm,Rn */
468 gen_op_movl_rN_T0(REG(B7_4));
470 gen_op_movl_T0_rN(REG(B11_8));
472 case 0x200d: /* xtrct Rm,Rn */
473 gen_op_movl_rN_T0(REG(B7_4));
474 gen_op_movl_rN_T1(REG(B11_8));
475 gen_op_xtrct_T0_T1();
476 gen_op_movl_T1_rN(REG(B11_8));
478 case 0x300c: /* add Rm,Rn */
479 gen_op_movl_rN_T0(REG(B7_4));
480 gen_op_add_T0_rN(REG(B11_8));
482 case 0x300e: /* addc Rm,Rn */
483 gen_op_movl_rN_T0(REG(B7_4));
484 gen_op_movl_rN_T1(REG(B11_8));
486 gen_op_movl_T1_rN(REG(B11_8));
488 case 0x300f: /* addv Rm,Rn */
489 gen_op_movl_rN_T0(REG(B7_4));
490 gen_op_movl_rN_T1(REG(B11_8));
492 gen_op_movl_T1_rN(REG(B11_8));
494 case 0x2009: /* and Rm,Rn */
495 gen_op_movl_rN_T0(REG(B7_4));
496 gen_op_and_T0_rN(REG(B11_8));
498 case 0x3000: /* cmp/eq Rm,Rn */
499 gen_op_movl_rN_T0(REG(B7_4));
500 gen_op_movl_rN_T1(REG(B11_8));
501 gen_op_cmp_eq_T0_T1();
503 case 0x3003: /* cmp/ge Rm,Rn */
504 gen_op_movl_rN_T0(REG(B7_4));
505 gen_op_movl_rN_T1(REG(B11_8));
506 gen_op_cmp_ge_T0_T1();
508 case 0x3007: /* cmp/gt Rm,Rn */
509 gen_op_movl_rN_T0(REG(B7_4));
510 gen_op_movl_rN_T1(REG(B11_8));
511 gen_op_cmp_gt_T0_T1();
513 case 0x3006: /* cmp/hi Rm,Rn */
514 gen_op_movl_rN_T0(REG(B7_4));
515 gen_op_movl_rN_T1(REG(B11_8));
516 gen_op_cmp_hi_T0_T1();
518 case 0x3002: /* cmp/hs Rm,Rn */
519 gen_op_movl_rN_T0(REG(B7_4));
520 gen_op_movl_rN_T1(REG(B11_8));
521 gen_op_cmp_hs_T0_T1();
523 case 0x200c: /* cmp/str Rm,Rn */
524 gen_op_movl_rN_T0(REG(B7_4));
525 gen_op_movl_rN_T1(REG(B11_8));
526 gen_op_cmp_str_T0_T1();
528 case 0x2007: /* div0s Rm,Rn */
529 gen_op_movl_rN_T0(REG(B7_4));
530 gen_op_movl_rN_T1(REG(B11_8));
531 gen_op_div0s_T0_T1();
533 case 0x3004: /* div1 Rm,Rn */
534 gen_op_movl_rN_T0(REG(B7_4));
535 gen_op_movl_rN_T1(REG(B11_8));
537 gen_op_movl_T1_rN(REG(B11_8));
539 case 0x300d: /* dmuls.l Rm,Rn */
540 gen_op_movl_rN_T0(REG(B7_4));
541 gen_op_movl_rN_T1(REG(B11_8));
542 gen_op_dmulsl_T0_T1();
544 case 0x3005: /* dmulu.l Rm,Rn */
545 gen_op_movl_rN_T0(REG(B7_4));
546 gen_op_movl_rN_T1(REG(B11_8));
547 gen_op_dmulul_T0_T1();
549 case 0x600e: /* exts.b Rm,Rn */
550 gen_op_movb_rN_T0(REG(B7_4));
551 gen_op_movl_T0_rN(REG(B11_8));
553 case 0x600f: /* exts.w Rm,Rn */
554 gen_op_movw_rN_T0(REG(B7_4));
555 gen_op_movl_T0_rN(REG(B11_8));
557 case 0x600c: /* extu.b Rm,Rn */
558 gen_op_movub_rN_T0(REG(B7_4));
559 gen_op_movl_T0_rN(REG(B11_8));
561 case 0x600d: /* extu.w Rm,Rn */
562 gen_op_movuw_rN_T0(REG(B7_4));
563 gen_op_movl_T0_rN(REG(B11_8));
565 case 0x000f: /* mac.l @Rm+,@Rn+ */
566 gen_op_movl_rN_T0(REG(B11_8));
567 gen_op_ldl_T0_T0(ctx);
569 gen_op_inc4_rN(REG(B11_8));
570 gen_op_movl_rN_T0(REG(B7_4));
571 gen_op_ldl_T0_T0(ctx);
573 gen_op_inc4_rN(REG(B7_4));
575 case 0x400f: /* mac.w @Rm+,@Rn+ */
576 gen_op_movl_rN_T0(REG(B11_8));
577 gen_op_ldl_T0_T0(ctx);
579 gen_op_inc2_rN(REG(B11_8));
580 gen_op_movl_rN_T0(REG(B7_4));
581 gen_op_ldl_T0_T0(ctx);
583 gen_op_inc2_rN(REG(B7_4));
585 case 0x0007: /* mul.l Rm,Rn */
586 gen_op_movl_rN_T0(REG(B7_4));
587 gen_op_movl_rN_T1(REG(B11_8));
590 case 0x200f: /* muls.w Rm,Rn */
591 gen_op_movw_rN_T0(REG(B7_4));
592 gen_op_movw_rN_T1(REG(B11_8));
593 gen_op_mulsw_T0_T1();
595 case 0x200e: /* mulu.w Rm,Rn */
596 gen_op_movuw_rN_T0(REG(B7_4));
597 gen_op_movuw_rN_T1(REG(B11_8));
598 gen_op_muluw_T0_T1();
600 case 0x600b: /* neg Rm,Rn */
601 gen_op_movl_rN_T0(REG(B7_4));
603 gen_op_movl_T0_rN(REG(B11_8));
605 case 0x600a: /* negc Rm,Rn */
606 gen_op_movl_rN_T0(REG(B7_4));
608 gen_op_movl_T0_rN(REG(B11_8));
610 case 0x6007: /* not Rm,Rn */
611 gen_op_movl_rN_T0(REG(B7_4));
613 gen_op_movl_T0_rN(REG(B11_8));
615 case 0x200b: /* or Rm,Rn */
616 gen_op_movl_rN_T0(REG(B7_4));
617 gen_op_or_T0_rN(REG(B11_8));
619 case 0x400c: /* shad Rm,Rn */
620 gen_op_movl_rN_T0(REG(B7_4));
621 gen_op_movl_rN_T1(REG(B11_8));
623 gen_op_movl_T1_rN(REG(B11_8));
625 case 0x400d: /* shld Rm,Rn */
626 gen_op_movl_rN_T0(REG(B7_4));
627 gen_op_movl_rN_T1(REG(B11_8));
629 gen_op_movl_T1_rN(REG(B11_8));
631 case 0x3008: /* sub Rm,Rn */
632 gen_op_movl_rN_T0(REG(B7_4));
633 gen_op_sub_T0_rN(REG(B11_8));
635 case 0x300a: /* subc 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 0x300b: /* subv Rm,Rn */
642 gen_op_movl_rN_T0(REG(B7_4));
643 gen_op_movl_rN_T1(REG(B11_8));
645 gen_op_movl_T1_rN(REG(B11_8));
647 case 0x2008: /* tst Rm,Rn */
648 gen_op_movl_rN_T0(REG(B7_4));
649 gen_op_movl_rN_T1(REG(B11_8));
652 case 0x200a: /* xor Rm,Rn */
653 gen_op_movl_rN_T0(REG(B7_4));
654 gen_op_xor_T0_rN(REG(B11_8));
656 case 0xf00c: /* fmov {F,D,X}Rm,{F,D,X}Rn - FPSCR: Nothing */
657 if (ctx->fpscr & FPSCR_SZ) {
658 gen_op_fmov_drN_DT0(XREG(B7_4));
659 gen_op_fmov_DT0_drN(XREG(B11_8));
661 gen_op_fmov_frN_FT0(FREG(B7_4));
662 gen_op_fmov_FT0_frN(FREG(B11_8));
665 case 0xf00a: /* fmov {F,D,X}Rm,@Rn - FPSCR: Nothing */
666 if (ctx->fpscr & FPSCR_SZ) {
667 gen_op_fmov_drN_DT0(XREG(B7_4));
668 gen_op_movl_rN_T1(REG(B11_8));
669 gen_op_stfq_DT0_T1(ctx);
671 gen_op_fmov_frN_FT0(FREG(B7_4));
672 gen_op_movl_rN_T1(REG(B11_8));
673 gen_op_stfl_FT0_T1(ctx);
676 case 0xf008: /* fmov @Rm,{F,D,X}Rn - FPSCR: Nothing */
677 if (ctx->fpscr & FPSCR_SZ) {
678 gen_op_movl_rN_T0(REG(B7_4));
679 gen_op_ldfq_T0_DT0(ctx);
680 gen_op_fmov_DT0_drN(XREG(B11_8));
682 gen_op_movl_rN_T0(REG(B7_4));
683 gen_op_ldfl_T0_FT0(ctx);
684 gen_op_fmov_FT0_frN(FREG(B11_8));
687 case 0xf009: /* fmov @Rm+,{F,D,X}Rn - FPSCR: Nothing */
688 if (ctx->fpscr & FPSCR_SZ) {
689 gen_op_movl_rN_T0(REG(B7_4));
690 gen_op_ldfq_T0_DT0(ctx);
691 gen_op_fmov_DT0_drN(XREG(B11_8));
692 gen_op_inc8_rN(REG(B7_4));
694 gen_op_movl_rN_T0(REG(B7_4));
695 gen_op_ldfl_T0_FT0(ctx);
696 gen_op_fmov_FT0_frN(FREG(B11_8));
697 gen_op_inc4_rN(REG(B7_4));
700 case 0xf00b: /* fmov {F,D,X}Rm,@-Rn - FPSCR: Nothing */
701 if (ctx->fpscr & FPSCR_SZ) {
702 gen_op_dec8_rN(REG(B11_8));
703 gen_op_fmov_drN_DT0(XREG(B7_4));
704 gen_op_movl_rN_T1(REG(B11_8));
705 gen_op_stfq_DT0_T1(ctx);
707 gen_op_dec4_rN(REG(B11_8));
708 gen_op_fmov_frN_FT0(FREG(B7_4));
709 gen_op_movl_rN_T1(REG(B11_8));
710 gen_op_stfl_FT0_T1(ctx);
713 case 0xf006: /* fmov @(R0,Rm),{F,D,X}Rm - FPSCR: Nothing */
714 if (ctx->fpscr & FPSCR_SZ) {
715 gen_op_movl_rN_T0(REG(B7_4));
716 gen_op_add_rN_T0(REG(0));
717 gen_op_ldfq_T0_DT0(ctx);
718 gen_op_fmov_DT0_drN(XREG(B11_8));
720 gen_op_movl_rN_T0(REG(B7_4));
721 gen_op_add_rN_T0(REG(0));
722 gen_op_ldfl_T0_FT0(ctx);
723 gen_op_fmov_FT0_frN(FREG(B11_8));
726 case 0xf007: /* fmov {F,D,X}Rn,@(R0,Rn) - FPSCR: Nothing */
727 if (ctx->fpscr & FPSCR_SZ) {
728 gen_op_fmov_drN_DT0(XREG(B7_4));
729 gen_op_movl_rN_T1(REG(B11_8));
730 gen_op_add_rN_T1(REG(0));
731 gen_op_stfq_DT0_T1(ctx);
733 gen_op_fmov_frN_FT0(FREG(B7_4));
734 gen_op_movl_rN_T1(REG(B11_8));
735 gen_op_add_rN_T1(REG(0));
736 gen_op_stfl_FT0_T1(ctx);
739 case 0xf000: /* fadd Rm,Rn - FPSCR: R[PR,Enable.O/U/I]/W[Cause,Flag] */
740 case 0xf001: /* fsub Rm,Rn - FPSCR: R[PR,Enable.O/U/I]/W[Cause,Flag] */
741 case 0xf002: /* fmul Rm,Rn - FPSCR: R[PR,Enable.O/U/I]/W[Cause,Flag] */
742 case 0xf003: /* fdiv Rm,Rn - FPSCR: R[PR,Enable.O/U/I]/W[Cause,Flag] */
743 case 0xf004: /* fcmp/eq Rm,Rn - FPSCR: R[PR,Enable.V]/W[Cause,Flag] */
744 case 0xf005: /* fcmp/gt Rm,Rn - FPSCR: R[PR,Enable.V]/W[Cause,Flag] */
745 if (ctx->fpscr & FPSCR_PR) {
746 if (ctx->opcode & 0x0110)
747 break; /* illegal instruction */
748 gen_op_fmov_drN_DT1(DREG(B7_4));
749 gen_op_fmov_drN_DT0(DREG(B11_8));
752 gen_op_fmov_frN_FT1(FREG(B7_4));
753 gen_op_fmov_frN_FT0(FREG(B11_8));
756 switch (ctx->opcode & 0xf00f) {
757 case 0xf000: /* fadd Rm,Rn */
758 ctx->fpscr & FPSCR_PR ? gen_op_fadd_DT() : gen_op_fadd_FT();
760 case 0xf001: /* fsub Rm,Rn */
761 ctx->fpscr & FPSCR_PR ? gen_op_fsub_DT() : gen_op_fsub_FT();
763 case 0xf002: /* fmul Rm,Rn */
764 ctx->fpscr & FPSCR_PR ? gen_op_fmul_DT() : gen_op_fmul_FT();
766 case 0xf003: /* fdiv Rm,Rn */
767 ctx->fpscr & FPSCR_PR ? gen_op_fdiv_DT() : gen_op_fdiv_FT();
769 case 0xf004: /* fcmp/eq Rm,Rn */
770 ctx->fpscr & FPSCR_PR ? gen_op_fcmp_eq_DT() : gen_op_fcmp_eq_FT();
772 case 0xf005: /* fcmp/gt Rm,Rn */
773 ctx->fpscr & FPSCR_PR ? gen_op_fcmp_gt_DT() : gen_op_fcmp_gt_FT();
777 if (ctx->fpscr & FPSCR_PR) {
778 gen_op_fmov_DT0_drN(DREG(B11_8));
781 gen_op_fmov_FT0_frN(FREG(B11_8));
786 switch (ctx->opcode & 0xff00) {
787 case 0xc900: /* and #imm,R0 */
788 gen_op_and_imm_rN(B7_0, REG(0));
790 case 0xcd00: /* and.b #imm,@(R0,GBR) */
791 gen_op_movl_rN_T0(REG(0));
792 gen_op_addl_GBR_T0();
794 gen_op_ldub_T0_T0(ctx);
795 gen_op_and_imm_T0(B7_0);
796 gen_op_stb_T0_T1(ctx);
798 case 0x8b00: /* bf label */
800 gen_conditional_jump(ctx, ctx->pc + 2,
801 ctx->pc + 4 + B7_0s * 2);
802 ctx->bstate = BS_BRANCH;
804 case 0x8f00: /* bf/s label */
806 gen_op_bf_s(ctx->delayed_pc = ctx->pc + 4 + B7_0s * 2);
807 ctx->flags |= DELAY_SLOT_CONDITIONAL;
809 case 0x8900: /* bt label */
811 gen_conditional_jump(ctx, ctx->pc + 4 + B7_0s * 2,
813 ctx->bstate = BS_BRANCH;
815 case 0x8d00: /* bt/s label */
817 gen_op_bt_s(ctx->delayed_pc = ctx->pc + 4 + B7_0s * 2);
818 ctx->flags |= DELAY_SLOT_CONDITIONAL;
820 case 0x8800: /* cmp/eq #imm,R0 */
821 gen_op_movl_rN_T0(REG(0));
822 gen_op_cmp_eq_imm_T0(B7_0s);
824 case 0xc400: /* mov.b @(disp,GBR),R0 */
826 gen_op_addl_imm_T0(B7_0);
827 gen_op_ldb_T0_T0(ctx);
828 gen_op_movl_T0_rN(REG(0));
830 case 0xc500: /* mov.w @(disp,GBR),R0 */
832 gen_op_addl_imm_T0(B7_0 * 2);
833 gen_op_ldw_T0_T0(ctx);
834 gen_op_movl_T0_rN(REG(0));
836 case 0xc600: /* mov.l @(disp,GBR),R0 */
838 gen_op_addl_imm_T0(B7_0 * 4);
839 gen_op_ldl_T0_T0(ctx);
840 gen_op_movl_T0_rN(REG(0));
842 case 0xc000: /* mov.b R0,@(disp,GBR) */
844 gen_op_addl_imm_T0(B7_0);
846 gen_op_movl_rN_T0(REG(0));
847 gen_op_stb_T0_T1(ctx);
849 case 0xc100: /* mov.w R0,@(disp,GBR) */
851 gen_op_addl_imm_T0(B7_0 * 2);
853 gen_op_movl_rN_T0(REG(0));
854 gen_op_stw_T0_T1(ctx);
856 case 0xc200: /* mov.l R0,@(disp,GBR) */
858 gen_op_addl_imm_T0(B7_0 * 4);
860 gen_op_movl_rN_T0(REG(0));
861 gen_op_stl_T0_T1(ctx);
863 case 0x8000: /* mov.b R0,@(disp,Rn) */
864 gen_op_movl_rN_T0(REG(0));
865 gen_op_movl_rN_T1(REG(B7_4));
866 gen_op_addl_imm_T1(B3_0);
867 gen_op_stb_T0_T1(ctx);
869 case 0x8100: /* mov.w R0,@(disp,Rn) */
870 gen_op_movl_rN_T0(REG(0));
871 gen_op_movl_rN_T1(REG(B7_4));
872 gen_op_addl_imm_T1(B3_0 * 2);
873 gen_op_stw_T0_T1(ctx);
875 case 0x8400: /* mov.b @(disp,Rn),R0 */
876 gen_op_movl_rN_T0(REG(B7_4));
877 gen_op_addl_imm_T0(B3_0);
878 gen_op_ldb_T0_T0(ctx);
879 gen_op_movl_T0_rN(REG(0));
881 case 0x8500: /* mov.w @(disp,Rn),R0 */
882 gen_op_movl_rN_T0(REG(B7_4));
883 gen_op_addl_imm_T0(B3_0 * 2);
884 gen_op_ldw_T0_T0(ctx);
885 gen_op_movl_T0_rN(REG(0));
887 case 0xc700: /* mova @(disp,PC),R0 */
888 gen_op_movl_imm_rN(((ctx->pc & 0xfffffffc) + 4 + B7_0 * 4) & ~3,
891 case 0xcb00: /* or #imm,R0 */
892 gen_op_or_imm_rN(B7_0, REG(0));
894 case 0xcf00: /* or.b #imm,@(R0,GBR) */
895 gen_op_movl_rN_T0(REG(0));
896 gen_op_addl_GBR_T0();
898 gen_op_ldub_T0_T0(ctx);
899 gen_op_or_imm_T0(B7_0);
900 gen_op_stb_T0_T1(ctx);
902 case 0xc300: /* trapa #imm */
903 CHECK_NOT_DELAY_SLOT gen_op_movl_imm_PC(ctx->pc);
905 ctx->bstate = BS_BRANCH;
907 case 0xc800: /* tst #imm,R0 */
908 gen_op_tst_imm_rN(B7_0, REG(0));
910 case 0xcc00: /* tst.b #imm,@(R0,GBR) */
911 gen_op_movl_rN_T0(REG(0));
912 gen_op_addl_GBR_T0();
913 gen_op_ldub_T0_T0(ctx);
914 gen_op_tst_imm_T0(B7_0);
916 case 0xca00: /* xor #imm,R0 */
917 gen_op_xor_imm_rN(B7_0, REG(0));
919 case 0xce00: /* xor.b #imm,@(R0,GBR) */
920 gen_op_movl_rN_T0(REG(0));
921 gen_op_addl_GBR_T0();
923 gen_op_ldub_T0_T0(ctx);
924 gen_op_xor_imm_T0(B7_0);
925 gen_op_stb_T0_T1(ctx);
929 switch (ctx->opcode & 0xf08f) {
930 case 0x408e: /* ldc Rm,Rn_BANK */
931 gen_op_movl_rN_rN(REG(B11_8), ALTREG(B6_4));
933 case 0x4087: /* ldc.l @Rm+,Rn_BANK */
934 gen_op_movl_rN_T0(REG(B11_8));
935 gen_op_ldl_T0_T0(ctx);
936 gen_op_movl_T0_rN(ALTREG(B6_4));
937 gen_op_inc4_rN(REG(B11_8));
939 case 0x0082: /* stc Rm_BANK,Rn */
940 gen_op_movl_rN_rN(ALTREG(B6_4), REG(B11_8));
942 case 0x4083: /* stc.l Rm_BANK,@-Rn */
943 gen_op_dec4_rN(REG(B11_8));
944 gen_op_movl_rN_T1(REG(B11_8));
945 gen_op_movl_rN_T0(ALTREG(B6_4));
946 gen_op_stl_T0_T1(ctx);
950 switch (ctx->opcode & 0xf0ff) {
951 case 0x0023: /* braf Rn */
952 CHECK_NOT_DELAY_SLOT gen_op_movl_rN_T0(REG(B11_8));
953 gen_op_braf_T0(ctx->pc + 4);
954 ctx->flags |= DELAY_SLOT;
955 ctx->delayed_pc = (uint32_t) - 1;
957 case 0x0003: /* bsrf Rn */
958 CHECK_NOT_DELAY_SLOT gen_op_movl_rN_T0(REG(B11_8));
959 gen_op_bsrf_T0(ctx->pc + 4);
960 ctx->flags |= DELAY_SLOT;
961 ctx->delayed_pc = (uint32_t) - 1;
963 case 0x4015: /* cmp/pl Rn */
964 gen_op_movl_rN_T0(REG(B11_8));
967 case 0x4011: /* cmp/pz Rn */
968 gen_op_movl_rN_T0(REG(B11_8));
971 case 0x4010: /* dt Rn */
972 gen_op_dt_rN(REG(B11_8));
974 case 0x402b: /* jmp @Rn */
975 CHECK_NOT_DELAY_SLOT gen_op_movl_rN_T0(REG(B11_8));
977 ctx->flags |= DELAY_SLOT;
978 ctx->delayed_pc = (uint32_t) - 1;
980 case 0x400b: /* jsr @Rn */
981 CHECK_NOT_DELAY_SLOT gen_op_movl_rN_T0(REG(B11_8));
982 gen_op_jsr_T0(ctx->pc + 4);
983 ctx->flags |= DELAY_SLOT;
984 ctx->delayed_pc = (uint32_t) - 1;
986 #define LDST(reg,ldnum,ldpnum,ldop,stnum,stpnum,stop,extrald) \
988 gen_op_movl_rN_T0 (REG(B11_8)); \
989 gen_op_##ldop##_T0_##reg (); \
993 gen_op_movl_rN_T0 (REG(B11_8)); \
994 gen_op_ldl_T0_T0 (ctx); \
995 gen_op_inc4_rN (REG(B11_8)); \
996 gen_op_##ldop##_T0_##reg (); \
1000 gen_op_##stop##_##reg##_T0 (); \
1001 gen_op_movl_T0_rN (REG(B11_8)); \
1004 gen_op_##stop##_##reg##_T0 (); \
1005 gen_op_dec4_rN (REG(B11_8)); \
1006 gen_op_movl_rN_T1 (REG(B11_8)); \
1007 gen_op_stl_T0_T1 (ctx); \
1009 LDST(sr, 0x400e, 0x4007, ldc, 0x0002, 0x4003, stc, ctx->bstate =
1011 LDST(gbr, 0x401e, 0x4017, ldc, 0x0012, 0x4013, stc,)
1012 LDST(vbr, 0x402e, 0x4027, ldc, 0x0022, 0x4023, stc,)
1013 LDST(ssr, 0x403e, 0x4037, ldc, 0x0032, 0x4033, stc,)
1014 LDST(spc, 0x404e, 0x4047, ldc, 0x0042, 0x4043, stc,)
1015 LDST(dbr, 0x40fa, 0x40f6, ldc, 0x00fa, 0x40f2, stc,)
1016 LDST(mach, 0x400a, 0x4006, lds, 0x000a, 0x4002, sts,)
1017 LDST(macl, 0x401a, 0x4016, lds, 0x001a, 0x4012, sts,)
1018 LDST(pr, 0x402a, 0x4026, lds, 0x002a, 0x4022, sts,)
1019 LDST(fpul, 0x405a, 0x4056, lds, 0x005a, 0x4052, sts,)
1020 LDST(fpscr, 0x406a, 0x4066, lds, 0x006a, 0x4062, sts, ctx->bstate =
1022 case 0x00c3: /* movca.l R0,@Rm */
1023 gen_op_movl_rN_T0(REG(0));
1024 gen_op_movl_rN_T1(REG(B11_8));
1025 gen_op_stl_T0_T1(ctx);
1027 case 0x0029: /* movt Rn */
1028 gen_op_movt_rN(REG(B11_8));
1030 case 0x0093: /* ocbi @Rn */
1031 gen_op_movl_rN_T0(REG(B11_8));
1032 gen_op_ldl_T0_T0(ctx);
1034 case 0x00a3: /* ocbp @Rn */
1035 gen_op_movl_rN_T0(REG(B11_8));
1036 gen_op_ldl_T0_T0(ctx);
1038 case 0x00b3: /* ocbwb @Rn */
1039 gen_op_movl_rN_T0(REG(B11_8));
1040 gen_op_ldl_T0_T0(ctx);
1042 case 0x0083: /* pref @Rn */
1044 case 0x4024: /* rotcl Rn */
1045 gen_op_rotcl_Rn(REG(B11_8));
1047 case 0x4025: /* rotcr Rn */
1048 gen_op_rotcr_Rn(REG(B11_8));
1050 case 0x4004: /* rotl Rn */
1051 gen_op_rotl_Rn(REG(B11_8));
1053 case 0x4005: /* rotr Rn */
1054 gen_op_rotr_Rn(REG(B11_8));
1056 case 0x4000: /* shll Rn */
1057 case 0x4020: /* shal Rn */
1058 gen_op_shal_Rn(REG(B11_8));
1060 case 0x4021: /* shar Rn */
1061 gen_op_shar_Rn(REG(B11_8));
1063 case 0x4001: /* shlr Rn */
1064 gen_op_shlr_Rn(REG(B11_8));
1066 case 0x4008: /* shll2 Rn */
1067 gen_op_shll2_Rn(REG(B11_8));
1069 case 0x4018: /* shll8 Rn */
1070 gen_op_shll8_Rn(REG(B11_8));
1072 case 0x4028: /* shll16 Rn */
1073 gen_op_shll16_Rn(REG(B11_8));
1075 case 0x4009: /* shlr2 Rn */
1076 gen_op_shlr2_Rn(REG(B11_8));
1078 case 0x4019: /* shlr8 Rn */
1079 gen_op_shlr8_Rn(REG(B11_8));
1081 case 0x4029: /* shlr16 Rn */
1082 gen_op_shlr16_Rn(REG(B11_8));
1084 case 0x401b: /* tas.b @Rn */
1085 gen_op_tasb_rN(REG(B11_8));
1087 case 0xf00d: /* fsts FPUL,FRn - FPSCR: Nothing */
1088 gen_op_movl_fpul_FT0();
1089 gen_op_fmov_FT0_frN(FREG(B11_8));
1091 case 0xf01d: /* flds FRm,FPUL - FPSCR: Nothing */
1092 gen_op_fmov_frN_FT0(FREG(B11_8));
1093 gen_op_movl_FT0_fpul();
1095 case 0xf02d: /* float FPUL,FRn/DRn - FPSCR: R[PR,Enable.I]/W[Cause,Flag] */
1096 if (ctx->fpscr & FPSCR_PR) {
1097 if (ctx->opcode & 0x0100)
1098 break; /* illegal instruction */
1100 gen_op_fmov_DT0_drN(DREG(B11_8));
1104 gen_op_fmov_FT0_frN(FREG(B11_8));
1107 case 0xf03d: /* ftrc FRm/DRm,FPUL - FPSCR: R[PR,Enable.V]/W[Cause,Flag] */
1108 if (ctx->fpscr & FPSCR_PR) {
1109 if (ctx->opcode & 0x0100)
1110 break; /* illegal instruction */
1111 gen_op_fmov_drN_DT0(DREG(B11_8));
1115 gen_op_fmov_frN_FT0(FREG(B11_8));
1119 case 0xf04d: /* fneg FRn/DRn - FPSCR: Nothing */
1120 gen_op_fneg_frN(FREG(B11_8));
1122 case 0xf05d: /* fabs FRn/DRn */
1123 if (ctx->fpscr & FPSCR_PR) {
1124 if (ctx->opcode & 0x0100)
1125 break; /* illegal instruction */
1126 gen_op_fmov_drN_DT0(DREG(B11_8));
1128 gen_op_fmov_DT0_drN(DREG(B11_8));
1130 gen_op_fmov_frN_FT0(FREG(B11_8));
1132 gen_op_fmov_FT0_frN(FREG(B11_8));
1135 case 0xf06d: /* fsqrt FRn */
1136 if (ctx->fpscr & FPSCR_PR) {
1137 if (ctx->opcode & 0x0100)
1138 break; /* illegal instruction */
1139 gen_op_fmov_drN_DT0(FREG(B11_8));
1141 gen_op_fmov_DT0_drN(FREG(B11_8));
1143 gen_op_fmov_frN_FT0(FREG(B11_8));
1145 gen_op_fmov_FT0_frN(FREG(B11_8));
1148 case 0xf07d: /* fsrra FRn */
1150 case 0xf08d: /* fldi0 FRn - FPSCR: R[PR] */
1151 if (!(ctx->fpscr & FPSCR_PR)) {
1152 gen_op_movl_imm_T0(0);
1153 gen_op_fmov_T0_frN(FREG(B11_8));
1157 case 0xf09d: /* fldi1 FRn - FPSCR: R[PR] */
1158 if (!(ctx->fpscr & FPSCR_PR)) {
1159 gen_op_movl_imm_T0(0x3f800000);
1160 gen_op_fmov_T0_frN(FREG(B11_8));
1164 case 0xf0ad: /* fcnvsd FPUL,DRn */
1165 gen_op_movl_fpul_FT0();
1166 gen_op_fcnvsd_FT_DT();
1167 gen_op_fmov_DT0_drN(DREG(B11_8));
1169 case 0xf0bd: /* fcnvds DRn,FPUL */
1170 gen_op_fmov_drN_DT0(DREG(B11_8));
1171 gen_op_fcnvds_DT_FT();
1172 gen_op_movl_FT0_fpul();
1176 fprintf(stderr, "unknown instruction 0x%04x at pc 0x%08x\n",
1177 ctx->opcode, ctx->pc);
1178 gen_op_raise_illegal_instruction();
1179 ctx->bstate = BS_EXCP;
1182 void decode_opc(DisasContext * ctx)
1184 uint32_t old_flags = ctx->flags;
1188 if (old_flags & (DELAY_SLOT | DELAY_SLOT_CONDITIONAL)) {
1189 if (ctx->flags & DELAY_SLOT_CLEARME) {
1190 gen_op_store_flags(0);
1193 ctx->bstate = BS_BRANCH;
1194 if (old_flags & DELAY_SLOT_CONDITIONAL) {
1195 gen_delayed_conditional_jump(ctx);
1196 } else if (old_flags & DELAY_SLOT) {
1204 gen_intermediate_code_internal(CPUState * env, TranslationBlock * tb,
1208 target_ulong pc_start;
1209 static uint16_t *gen_opc_end;
1215 gen_opc_end = gen_opc_buf + OPC_MAX_SIZE;
1217 ctx.flags = (uint32_t)tb->flags;
1218 ctx.bstate = BS_NONE;
1220 ctx.fpscr = env->fpscr;
1221 ctx.memidx = (env->sr & SR_MD) ? 1 : 0;
1222 /* We don't know if the delayed pc came from a dynamic or static branch,
1223 so assume it is a dynamic branch. */
1224 ctx.delayed_pc = -1; /* use delayed pc from env pointer */
1226 ctx.singlestep_enabled = env->singlestep_enabled;
1229 if (loglevel & CPU_LOG_TB_CPU) {
1231 "------------------------------------------------\n");
1232 cpu_dump_state(env, logfile, fprintf, 0);
1238 max_insns = tb->cflags & CF_COUNT_MASK;
1240 max_insns = CF_COUNT_MASK;
1242 while (ctx.bstate == BS_NONE && gen_opc_ptr < gen_opc_end) {
1243 if (env->nb_breakpoints > 0) {
1244 for (i = 0; i < env->nb_breakpoints; i++) {
1245 if (ctx.pc == env->breakpoints[i]) {
1246 /* We have hit a breakpoint - make sure PC is up-to-date */
1247 gen_op_movl_imm_PC(ctx.pc);
1249 ctx.bstate = BS_EXCP;
1255 i = gen_opc_ptr - gen_opc_buf;
1259 gen_opc_instr_start[ii++] = 0;
1261 gen_opc_pc[ii] = ctx.pc;
1262 gen_opc_hflags[ii] = ctx.flags;
1263 gen_opc_instr_start[ii] = 1;
1264 gen_opc_icount[ii] = num_insns;
1266 if (num_insns + 1 == max_insns && (tb->cflags & CF_LAST_IO))
1269 fprintf(stderr, "Loading opcode at address 0x%08x\n", ctx.pc);
1272 ctx.opcode = lduw_code(ctx.pc);
1276 if ((ctx.pc & (TARGET_PAGE_SIZE - 1)) == 0)
1278 if (env->singlestep_enabled)
1280 if (num_insns >= max_insns)
1282 #ifdef SH4_SINGLE_STEP
1286 if (tb->cflags & CF_LAST_IO)
1288 if (env->singlestep_enabled) {
1291 switch (ctx.bstate) {
1293 /* gen_op_interrupt_restart(); */
1297 gen_op_store_flags(ctx.flags | DELAY_SLOT_CLEARME);
1299 gen_goto_tb(&ctx, 0, ctx.pc);
1302 /* gen_op_interrupt_restart(); */
1311 gen_icount_end(tb, num_insns);
1312 *gen_opc_ptr = INDEX_op_end;
1314 i = gen_opc_ptr - gen_opc_buf;
1317 gen_opc_instr_start[ii++] = 0;
1319 tb->size = ctx.pc - pc_start;
1320 tb->icount = num_insns;
1324 #ifdef SH4_DEBUG_DISAS
1325 if (loglevel & CPU_LOG_TB_IN_ASM)
1326 fprintf(logfile, "\n");
1328 if (loglevel & CPU_LOG_TB_IN_ASM) {
1329 fprintf(logfile, "IN:\n"); /* , lookup_symbol(pc_start)); */
1330 target_disas(logfile, pc_start, ctx.pc - pc_start, 0);
1331 fprintf(logfile, "\n");
1336 void gen_intermediate_code(CPUState * env, struct TranslationBlock *tb)
1338 gen_intermediate_code_internal(env, tb, 0);
1341 void gen_intermediate_code_pc(CPUState * env, struct TranslationBlock *tb)
1343 gen_intermediate_code_internal(env, tb, 1);
1346 void gen_pc_load(CPUState *env, TranslationBlock *tb,
1347 unsigned long searched_pc, int pc_pos, void *puc)
1349 env->pc = gen_opc_pc[pc_pos];
1350 env->flags = gen_opc_hflags[pc_pos];