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"
41 typedef struct DisasContext {
42 struct TranslationBlock *tb;
51 int singlestep_enabled;
54 #if defined(CONFIG_USER_ONLY)
55 #define IS_USER(ctx) 1
57 #define IS_USER(ctx) (!(ctx->sr & SR_MD))
61 BS_NONE = 0, /* We go out of the TB without reaching a branch or an
64 BS_STOP = 1, /* We want to stop translation for any reason */
65 BS_BRANCH = 2, /* We reached a branch condition */
66 BS_EXCP = 3, /* We reached an exception condition */
69 /* global register indexes */
70 static TCGv_ptr cpu_env;
71 static TCGv cpu_gregs[24];
72 static TCGv cpu_pc, cpu_sr, cpu_ssr, cpu_spc, cpu_gbr;
73 static TCGv cpu_vbr, cpu_sgr, cpu_dbr, cpu_mach, cpu_macl;
74 static TCGv cpu_pr, cpu_fpscr, cpu_fpul, cpu_flags;
75 static TCGv cpu_fregs[32];
77 /* internal register indexes */
78 static TCGv cpu_flags, cpu_delayed_pc;
80 #include "gen-icount.h"
82 static void sh4_translate_init(void)
85 static int done_init = 0;
86 static const char * const gregnames[24] = {
87 "R0_BANK0", "R1_BANK0", "R2_BANK0", "R3_BANK0",
88 "R4_BANK0", "R5_BANK0", "R6_BANK0", "R7_BANK0",
89 "R8", "R9", "R10", "R11", "R12", "R13", "R14", "R15",
90 "R0_BANK1", "R1_BANK1", "R2_BANK1", "R3_BANK1",
91 "R4_BANK1", "R5_BANK1", "R6_BANK1", "R7_BANK1"
93 static const char * const fregnames[32] = {
94 "FPR0_BANK0", "FPR1_BANK0", "FPR2_BANK0", "FPR3_BANK0",
95 "FPR4_BANK0", "FPR5_BANK0", "FPR6_BANK0", "FPR7_BANK0",
96 "FPR8_BANK0", "FPR9_BANK0", "FPR10_BANK0", "FPR11_BANK0",
97 "FPR12_BANK0", "FPR13_BANK0", "FPR14_BANK0", "FPR15_BANK0",
98 "FPR0_BANK1", "FPR1_BANK1", "FPR2_BANK1", "FPR3_BANK1",
99 "FPR4_BANK1", "FPR5_BANK1", "FPR6_BANK1", "FPR7_BANK1",
100 "FPR8_BANK1", "FPR9_BANK1", "FPR10_BANK1", "FPR11_BANK1",
101 "FPR12_BANK1", "FPR13_BANK1", "FPR14_BANK1", "FPR15_BANK1",
107 cpu_env = tcg_global_reg_new_ptr(TCG_AREG0, "env");
109 for (i = 0; i < 24; i++)
110 cpu_gregs[i] = tcg_global_mem_new_i32(TCG_AREG0,
111 offsetof(CPUState, gregs[i]),
114 cpu_pc = tcg_global_mem_new_i32(TCG_AREG0,
115 offsetof(CPUState, pc), "PC");
116 cpu_sr = tcg_global_mem_new_i32(TCG_AREG0,
117 offsetof(CPUState, sr), "SR");
118 cpu_ssr = tcg_global_mem_new_i32(TCG_AREG0,
119 offsetof(CPUState, ssr), "SSR");
120 cpu_spc = tcg_global_mem_new_i32(TCG_AREG0,
121 offsetof(CPUState, spc), "SPC");
122 cpu_gbr = tcg_global_mem_new_i32(TCG_AREG0,
123 offsetof(CPUState, gbr), "GBR");
124 cpu_vbr = tcg_global_mem_new_i32(TCG_AREG0,
125 offsetof(CPUState, vbr), "VBR");
126 cpu_sgr = tcg_global_mem_new_i32(TCG_AREG0,
127 offsetof(CPUState, sgr), "SGR");
128 cpu_dbr = tcg_global_mem_new_i32(TCG_AREG0,
129 offsetof(CPUState, dbr), "DBR");
130 cpu_mach = tcg_global_mem_new_i32(TCG_AREG0,
131 offsetof(CPUState, mach), "MACH");
132 cpu_macl = tcg_global_mem_new_i32(TCG_AREG0,
133 offsetof(CPUState, macl), "MACL");
134 cpu_pr = tcg_global_mem_new_i32(TCG_AREG0,
135 offsetof(CPUState, pr), "PR");
136 cpu_fpscr = tcg_global_mem_new_i32(TCG_AREG0,
137 offsetof(CPUState, fpscr), "FPSCR");
138 cpu_fpul = tcg_global_mem_new_i32(TCG_AREG0,
139 offsetof(CPUState, fpul), "FPUL");
141 cpu_flags = tcg_global_mem_new_i32(TCG_AREG0,
142 offsetof(CPUState, flags), "_flags_");
143 cpu_delayed_pc = tcg_global_mem_new_i32(TCG_AREG0,
144 offsetof(CPUState, delayed_pc),
147 for (i = 0; i < 32; i++)
148 cpu_fregs[i] = tcg_global_mem_new_i32(TCG_AREG0,
149 offsetof(CPUState, fregs[i]),
152 /* register helpers */
159 void cpu_dump_state(CPUState * env, FILE * f,
160 int (*cpu_fprintf) (FILE * f, const char *fmt, ...),
164 cpu_fprintf(f, "pc=0x%08x sr=0x%08x pr=0x%08x fpscr=0x%08x\n",
165 env->pc, env->sr, env->pr, env->fpscr);
166 cpu_fprintf(f, "spc=0x%08x ssr=0x%08x gbr=0x%08x vbr=0x%08x\n",
167 env->spc, env->ssr, env->gbr, env->vbr);
168 cpu_fprintf(f, "sgr=0x%08x dbr=0x%08x delayed_pc=0x%08x fpul=0x%08x\n",
169 env->sgr, env->dbr, env->delayed_pc, env->fpul);
170 for (i = 0; i < 24; i += 4) {
171 cpu_fprintf(f, "r%d=0x%08x r%d=0x%08x r%d=0x%08x r%d=0x%08x\n",
172 i, env->gregs[i], i + 1, env->gregs[i + 1],
173 i + 2, env->gregs[i + 2], i + 3, env->gregs[i + 3]);
175 if (env->flags & DELAY_SLOT) {
176 cpu_fprintf(f, "in delay slot (delayed_pc=0x%08x)\n",
178 } else if (env->flags & DELAY_SLOT_CONDITIONAL) {
179 cpu_fprintf(f, "in conditional delay slot (delayed_pc=0x%08x)\n",
184 void cpu_sh4_reset(CPUSH4State * env)
186 #if defined(CONFIG_USER_ONLY)
187 env->sr = SR_FD; /* FD - kernel does lazy fpu context switch */
189 env->sr = 0x700000F0; /* MD, RB, BL, I3-I0 */
192 env->pc = 0xA0000000;
193 #if defined(CONFIG_USER_ONLY)
194 env->fpscr = FPSCR_PR; /* value for userspace according to the kernel */
195 set_float_rounding_mode(float_round_nearest_even, &env->fp_status); /* ?! */
197 env->fpscr = 0x00040001; /* CPU reset value according to SH4 manual */
198 set_float_rounding_mode(float_round_to_zero, &env->fp_status);
211 static sh4_def_t sh4_defs[] = {
214 .id = SH_CPU_SH7750R,
220 .id = SH_CPU_SH7751R,
223 .cvr = 0x00110000, /* Neutered caches, should be 0x20480000 */
227 static const sh4_def_t *cpu_sh4_find_by_name(const char *name)
231 if (strcasecmp(name, "any") == 0)
234 for (i = 0; i < sizeof(sh4_defs) / sizeof(*sh4_defs); i++)
235 if (strcasecmp(name, sh4_defs[i].name) == 0)
241 void sh4_cpu_list(FILE *f, int (*cpu_fprintf)(FILE *f, const char *fmt, ...))
245 for (i = 0; i < sizeof(sh4_defs) / sizeof(*sh4_defs); i++)
246 (*cpu_fprintf)(f, "%s\n", sh4_defs[i].name);
249 static void cpu_sh4_register(CPUSH4State *env, const sh4_def_t *def)
257 CPUSH4State *cpu_sh4_init(const char *cpu_model)
260 const sh4_def_t *def;
262 def = cpu_sh4_find_by_name(cpu_model);
265 env = qemu_mallocz(sizeof(CPUSH4State));
269 sh4_translate_init();
270 env->cpu_model_str = cpu_model;
272 cpu_sh4_register(env, def);
277 static void gen_goto_tb(DisasContext * ctx, int n, target_ulong dest)
279 TranslationBlock *tb;
282 if ((tb->pc & TARGET_PAGE_MASK) == (dest & TARGET_PAGE_MASK) &&
283 !ctx->singlestep_enabled) {
284 /* Use a direct jump if in same page and singlestep not enabled */
286 tcg_gen_movi_i32(cpu_pc, dest);
287 tcg_gen_exit_tb((long) tb + n);
289 tcg_gen_movi_i32(cpu_pc, dest);
290 if (ctx->singlestep_enabled)
296 static void gen_jump(DisasContext * ctx)
298 if (ctx->delayed_pc == (uint32_t) - 1) {
299 /* Target is not statically known, it comes necessarily from a
300 delayed jump as immediate jump are conditinal jumps */
301 tcg_gen_mov_i32(cpu_pc, cpu_delayed_pc);
302 if (ctx->singlestep_enabled)
306 gen_goto_tb(ctx, 0, ctx->delayed_pc);
310 static inline void gen_branch_slot(uint32_t delayed_pc, int t)
313 int label = gen_new_label();
314 tcg_gen_movi_i32(cpu_delayed_pc, delayed_pc);
316 tcg_gen_andi_i32(sr, cpu_sr, SR_T);
317 tcg_gen_brcondi_i32(TCG_COND_NE, sr, t ? SR_T : 0, label);
318 tcg_gen_ori_i32(cpu_flags, cpu_flags, DELAY_SLOT_TRUE);
319 gen_set_label(label);
322 /* Immediate conditional jump (bt or bf) */
323 static void gen_conditional_jump(DisasContext * ctx,
324 target_ulong ift, target_ulong ifnott)
329 l1 = gen_new_label();
331 tcg_gen_andi_i32(sr, cpu_sr, SR_T);
332 tcg_gen_brcondi_i32(TCG_COND_EQ, sr, SR_T, l1);
333 gen_goto_tb(ctx, 0, ifnott);
335 gen_goto_tb(ctx, 1, ift);
338 /* Delayed conditional jump (bt or bf) */
339 static void gen_delayed_conditional_jump(DisasContext * ctx)
344 l1 = gen_new_label();
346 tcg_gen_andi_i32(ds, cpu_flags, DELAY_SLOT_TRUE);
347 tcg_gen_brcondi_i32(TCG_COND_EQ, ds, DELAY_SLOT_TRUE, l1);
348 gen_goto_tb(ctx, 1, ctx->pc + 2);
350 tcg_gen_andi_i32(cpu_flags, cpu_flags, ~DELAY_SLOT_TRUE);
354 static inline void gen_set_t(void)
356 tcg_gen_ori_i32(cpu_sr, cpu_sr, SR_T);
359 static inline void gen_clr_t(void)
361 tcg_gen_andi_i32(cpu_sr, cpu_sr, ~SR_T);
364 static inline void gen_cmp(int cond, TCGv t0, TCGv t1)
366 int label1 = gen_new_label();
367 int label2 = gen_new_label();
368 tcg_gen_brcond_i32(cond, t1, t0, label1);
371 gen_set_label(label1);
373 gen_set_label(label2);
376 static inline void gen_cmp_imm(int cond, TCGv t0, int32_t imm)
378 int label1 = gen_new_label();
379 int label2 = gen_new_label();
380 tcg_gen_brcondi_i32(cond, t0, imm, label1);
383 gen_set_label(label1);
385 gen_set_label(label2);
388 static inline void gen_store_flags(uint32_t flags)
390 tcg_gen_andi_i32(cpu_flags, cpu_flags, DELAY_SLOT_TRUE);
391 tcg_gen_ori_i32(cpu_flags, cpu_flags, flags);
394 static inline void gen_copy_bit_i32(TCGv t0, int p0, TCGv t1, int p1)
396 TCGv tmp = tcg_temp_new();
401 tcg_gen_andi_i32(tmp, t1, (1 << p1));
402 tcg_gen_andi_i32(t0, t0, ~(1 << p0));
404 tcg_gen_shri_i32(tmp, tmp, p1 - p0);
406 tcg_gen_shli_i32(tmp, tmp, p0 - p1);
407 tcg_gen_or_i32(t0, t0, tmp);
412 static inline void gen_load_fpr64(TCGv_i64 t, int reg)
414 tcg_gen_concat_i32_i64(t, cpu_fregs[reg + 1], cpu_fregs[reg]);
417 static inline void gen_store_fpr64 (TCGv_i64 t, int reg)
419 TCGv_i32 tmp = tcg_temp_new_i32();
420 tcg_gen_trunc_i64_i32(tmp, t);
421 tcg_gen_mov_i32(cpu_fregs[reg + 1], tmp);
422 tcg_gen_shri_i64(t, t, 32);
423 tcg_gen_trunc_i64_i32(tmp, t);
424 tcg_gen_mov_i32(cpu_fregs[reg], tmp);
425 tcg_temp_free_i32(tmp);
428 #define B3_0 (ctx->opcode & 0xf)
429 #define B6_4 ((ctx->opcode >> 4) & 0x7)
430 #define B7_4 ((ctx->opcode >> 4) & 0xf)
431 #define B7_0 (ctx->opcode & 0xff)
432 #define B7_0s ((int32_t) (int8_t) (ctx->opcode & 0xff))
433 #define B11_0s (ctx->opcode & 0x800 ? 0xfffff000 | (ctx->opcode & 0xfff) : \
434 (ctx->opcode & 0xfff))
435 #define B11_8 ((ctx->opcode >> 8) & 0xf)
436 #define B15_12 ((ctx->opcode >> 12) & 0xf)
438 #define REG(x) ((x) < 8 && (ctx->sr & (SR_MD | SR_RB)) == (SR_MD | SR_RB) ? \
439 (cpu_gregs[x + 16]) : (cpu_gregs[x]))
441 #define ALTREG(x) ((x) < 8 && (ctx->sr & (SR_MD | SR_RB)) != (SR_MD | SR_RB) \
442 ? (cpu_gregs[x + 16]) : (cpu_gregs[x]))
444 #define FREG(x) (ctx->fpscr & FPSCR_FR ? (x) ^ 0x10 : (x))
445 #define XHACK(x) ((((x) & 1 ) << 4) | ((x) & 0xe))
446 #define XREG(x) (ctx->fpscr & FPSCR_FR ? XHACK(x) ^ 0x10 : XHACK(x))
447 #define DREG(x) FREG(x) /* Assumes lsb of (x) is always 0 */
449 #define CHECK_NOT_DELAY_SLOT \
450 if (ctx->flags & (DELAY_SLOT | DELAY_SLOT_CONDITIONAL)) \
451 {gen_helper_raise_slot_illegal_instruction(); ctx->bstate = BS_EXCP; \
454 #define CHECK_PRIVILEGED \
455 if (IS_USER(ctx)) { \
456 gen_helper_raise_illegal_instruction(); \
457 ctx->bstate = BS_EXCP; \
461 static void _decode_opc(DisasContext * ctx)
464 fprintf(stderr, "Translating opcode 0x%04x\n", ctx->opcode);
466 switch (ctx->opcode) {
467 case 0x0019: /* div0u */
468 tcg_gen_andi_i32(cpu_sr, cpu_sr, ~(SR_M | SR_Q | SR_T));
470 case 0x000b: /* rts */
472 tcg_gen_mov_i32(cpu_delayed_pc, cpu_pr);
473 ctx->flags |= DELAY_SLOT;
474 ctx->delayed_pc = (uint32_t) - 1;
476 case 0x0028: /* clrmac */
477 tcg_gen_movi_i32(cpu_mach, 0);
478 tcg_gen_movi_i32(cpu_macl, 0);
480 case 0x0048: /* clrs */
481 tcg_gen_andi_i32(cpu_sr, cpu_sr, ~SR_S);
483 case 0x0008: /* clrt */
486 case 0x0038: /* ldtlb */
490 case 0x002b: /* rte */
493 tcg_gen_mov_i32(cpu_sr, cpu_ssr);
494 tcg_gen_mov_i32(cpu_delayed_pc, cpu_spc);
495 ctx->flags |= DELAY_SLOT;
496 ctx->delayed_pc = (uint32_t) - 1;
498 case 0x0058: /* sets */
499 tcg_gen_ori_i32(cpu_sr, cpu_sr, SR_S);
501 case 0x0018: /* sett */
504 case 0xfbfd: /* frchg */
505 tcg_gen_xori_i32(cpu_fpscr, cpu_fpscr, FPSCR_FR);
506 ctx->bstate = BS_STOP;
508 case 0xf3fd: /* fschg */
509 tcg_gen_xori_i32(cpu_fpscr, cpu_fpscr, FPSCR_SZ);
510 ctx->bstate = BS_STOP;
512 case 0x0009: /* nop */
514 case 0x001b: /* sleep */
516 gen_helper_sleep(tcg_const_i32(ctx->pc + 2));
520 switch (ctx->opcode & 0xf000) {
521 case 0x1000: /* mov.l Rm,@(disp,Rn) */
523 TCGv addr = tcg_temp_new();
524 tcg_gen_addi_i32(addr, REG(B11_8), B3_0 * 4);
525 tcg_gen_qemu_st32(REG(B7_4), addr, ctx->memidx);
529 case 0x5000: /* mov.l @(disp,Rm),Rn */
531 TCGv addr = tcg_temp_new();
532 tcg_gen_addi_i32(addr, REG(B7_4), B3_0 * 4);
533 tcg_gen_qemu_ld32s(REG(B11_8), addr, ctx->memidx);
537 case 0xe000: /* mov #imm,Rn */
538 tcg_gen_movi_i32(REG(B11_8), B7_0s);
540 case 0x9000: /* mov.w @(disp,PC),Rn */
542 TCGv addr = tcg_const_i32(ctx->pc + 4 + B7_0 * 2);
543 tcg_gen_qemu_ld16s(REG(B11_8), addr, ctx->memidx);
547 case 0xd000: /* mov.l @(disp,PC),Rn */
549 TCGv addr = tcg_const_i32((ctx->pc + 4 + B7_0 * 4) & ~3);
550 tcg_gen_qemu_ld32s(REG(B11_8), addr, ctx->memidx);
554 case 0x7000: /* add #imm,Rn */
555 tcg_gen_addi_i32(REG(B11_8), REG(B11_8), B7_0s);
557 case 0xa000: /* bra disp */
559 ctx->delayed_pc = ctx->pc + 4 + B11_0s * 2;
560 tcg_gen_movi_i32(cpu_delayed_pc, ctx->delayed_pc);
561 ctx->flags |= DELAY_SLOT;
563 case 0xb000: /* bsr disp */
565 tcg_gen_movi_i32(cpu_pr, ctx->pc + 4);
566 ctx->delayed_pc = ctx->pc + 4 + B11_0s * 2;
567 tcg_gen_movi_i32(cpu_delayed_pc, ctx->delayed_pc);
568 ctx->flags |= DELAY_SLOT;
572 switch (ctx->opcode & 0xf00f) {
573 case 0x6003: /* mov Rm,Rn */
574 tcg_gen_mov_i32(REG(B11_8), REG(B7_4));
576 case 0x2000: /* mov.b Rm,@Rn */
577 tcg_gen_qemu_st8(REG(B7_4), REG(B11_8), ctx->memidx);
579 case 0x2001: /* mov.w Rm,@Rn */
580 tcg_gen_qemu_st16(REG(B7_4), REG(B11_8), ctx->memidx);
582 case 0x2002: /* mov.l Rm,@Rn */
583 tcg_gen_qemu_st32(REG(B7_4), REG(B11_8), ctx->memidx);
585 case 0x6000: /* mov.b @Rm,Rn */
586 tcg_gen_qemu_ld8s(REG(B11_8), REG(B7_4), ctx->memidx);
588 case 0x6001: /* mov.w @Rm,Rn */
589 tcg_gen_qemu_ld16s(REG(B11_8), REG(B7_4), ctx->memidx);
591 case 0x6002: /* mov.l @Rm,Rn */
592 tcg_gen_qemu_ld32s(REG(B11_8), REG(B7_4), ctx->memidx);
594 case 0x2004: /* mov.b Rm,@-Rn */
596 TCGv addr = tcg_temp_new();
597 tcg_gen_subi_i32(addr, REG(B11_8), 1);
598 tcg_gen_qemu_st8(REG(B7_4), addr, ctx->memidx); /* might cause re-execution */
599 tcg_gen_subi_i32(REG(B11_8), REG(B11_8), 1); /* modify register status */
603 case 0x2005: /* mov.w Rm,@-Rn */
605 TCGv addr = tcg_temp_new();
606 tcg_gen_subi_i32(addr, REG(B11_8), 2);
607 tcg_gen_qemu_st16(REG(B7_4), addr, ctx->memidx);
608 tcg_gen_subi_i32(REG(B11_8), REG(B11_8), 2);
612 case 0x2006: /* mov.l Rm,@-Rn */
614 TCGv addr = tcg_temp_new();
615 tcg_gen_subi_i32(addr, REG(B11_8), 4);
616 tcg_gen_qemu_st32(REG(B7_4), addr, ctx->memidx);
617 tcg_gen_subi_i32(REG(B11_8), REG(B11_8), 4);
620 case 0x6004: /* mov.b @Rm+,Rn */
621 tcg_gen_qemu_ld8s(REG(B11_8), REG(B7_4), ctx->memidx);
623 tcg_gen_addi_i32(REG(B7_4), REG(B7_4), 1);
625 case 0x6005: /* mov.w @Rm+,Rn */
626 tcg_gen_qemu_ld16s(REG(B11_8), REG(B7_4), ctx->memidx);
628 tcg_gen_addi_i32(REG(B7_4), REG(B7_4), 2);
630 case 0x6006: /* mov.l @Rm+,Rn */
631 tcg_gen_qemu_ld32s(REG(B11_8), REG(B7_4), ctx->memidx);
633 tcg_gen_addi_i32(REG(B7_4), REG(B7_4), 4);
635 case 0x0004: /* mov.b Rm,@(R0,Rn) */
637 TCGv addr = tcg_temp_new();
638 tcg_gen_add_i32(addr, REG(B11_8), REG(0));
639 tcg_gen_qemu_st8(REG(B7_4), addr, ctx->memidx);
643 case 0x0005: /* mov.w Rm,@(R0,Rn) */
645 TCGv addr = tcg_temp_new();
646 tcg_gen_add_i32(addr, REG(B11_8), REG(0));
647 tcg_gen_qemu_st16(REG(B7_4), addr, ctx->memidx);
651 case 0x0006: /* mov.l Rm,@(R0,Rn) */
653 TCGv addr = tcg_temp_new();
654 tcg_gen_add_i32(addr, REG(B11_8), REG(0));
655 tcg_gen_qemu_st32(REG(B7_4), addr, ctx->memidx);
659 case 0x000c: /* mov.b @(R0,Rm),Rn */
661 TCGv addr = tcg_temp_new();
662 tcg_gen_add_i32(addr, REG(B7_4), REG(0));
663 tcg_gen_qemu_ld8s(REG(B11_8), addr, ctx->memidx);
667 case 0x000d: /* mov.w @(R0,Rm),Rn */
669 TCGv addr = tcg_temp_new();
670 tcg_gen_add_i32(addr, REG(B7_4), REG(0));
671 tcg_gen_qemu_ld16s(REG(B11_8), addr, ctx->memidx);
675 case 0x000e: /* mov.l @(R0,Rm),Rn */
677 TCGv addr = tcg_temp_new();
678 tcg_gen_add_i32(addr, REG(B7_4), REG(0));
679 tcg_gen_qemu_ld32s(REG(B11_8), addr, ctx->memidx);
683 case 0x6008: /* swap.b Rm,Rn */
685 TCGv highw, high, low;
686 highw = tcg_temp_new();
687 tcg_gen_andi_i32(highw, REG(B7_4), 0xffff0000);
688 high = tcg_temp_new();
689 tcg_gen_ext8u_i32(high, REG(B7_4));
690 tcg_gen_shli_i32(high, high, 8);
691 low = tcg_temp_new();
692 tcg_gen_shri_i32(low, REG(B7_4), 8);
693 tcg_gen_ext8u_i32(low, low);
694 tcg_gen_or_i32(REG(B11_8), high, low);
695 tcg_gen_or_i32(REG(B11_8), REG(B11_8), highw);
700 case 0x6009: /* swap.w Rm,Rn */
703 high = tcg_temp_new();
704 tcg_gen_ext16u_i32(high, REG(B7_4));
705 tcg_gen_shli_i32(high, high, 16);
706 low = tcg_temp_new();
707 tcg_gen_shri_i32(low, REG(B7_4), 16);
708 tcg_gen_ext16u_i32(low, low);
709 tcg_gen_or_i32(REG(B11_8), high, low);
714 case 0x200d: /* xtrct Rm,Rn */
717 high = tcg_temp_new();
718 tcg_gen_ext16u_i32(high, REG(B7_4));
719 tcg_gen_shli_i32(high, high, 16);
720 low = tcg_temp_new();
721 tcg_gen_shri_i32(low, REG(B11_8), 16);
722 tcg_gen_ext16u_i32(low, low);
723 tcg_gen_or_i32(REG(B11_8), high, low);
728 case 0x300c: /* add Rm,Rn */
729 tcg_gen_add_i32(REG(B11_8), REG(B11_8), REG(B7_4));
731 case 0x300e: /* addc Rm,Rn */
732 gen_helper_addc(REG(B11_8), REG(B7_4), REG(B11_8));
734 case 0x300f: /* addv Rm,Rn */
735 gen_helper_addv(REG(B11_8), REG(B7_4), REG(B11_8));
737 case 0x2009: /* and Rm,Rn */
738 tcg_gen_and_i32(REG(B11_8), REG(B11_8), REG(B7_4));
740 case 0x3000: /* cmp/eq Rm,Rn */
741 gen_cmp(TCG_COND_EQ, REG(B7_4), REG(B11_8));
743 case 0x3003: /* cmp/ge Rm,Rn */
744 gen_cmp(TCG_COND_GE, REG(B7_4), REG(B11_8));
746 case 0x3007: /* cmp/gt Rm,Rn */
747 gen_cmp(TCG_COND_GT, REG(B7_4), REG(B11_8));
749 case 0x3006: /* cmp/hi Rm,Rn */
750 gen_cmp(TCG_COND_GTU, REG(B7_4), REG(B11_8));
752 case 0x3002: /* cmp/hs Rm,Rn */
753 gen_cmp(TCG_COND_GEU, REG(B7_4), REG(B11_8));
755 case 0x200c: /* cmp/str Rm,Rn */
757 int label1 = gen_new_label();
758 int label2 = gen_new_label();
759 TCGv cmp1 = tcg_temp_local_new(TCG_TYPE_I32);
760 TCGv cmp2 = tcg_temp_local_new(TCG_TYPE_I32);
761 tcg_gen_xor_i32(cmp1, REG(B7_4), REG(B11_8));
762 tcg_gen_andi_i32(cmp2, cmp1, 0xff000000);
763 tcg_gen_brcondi_i32(TCG_COND_EQ, cmp2, 0, label1);
764 tcg_gen_andi_i32(cmp2, cmp1, 0x00ff0000);
765 tcg_gen_brcondi_i32(TCG_COND_EQ, cmp2, 0, label1);
766 tcg_gen_andi_i32(cmp2, cmp1, 0x0000ff00);
767 tcg_gen_brcondi_i32(TCG_COND_EQ, cmp2, 0, label1);
768 tcg_gen_andi_i32(cmp2, cmp1, 0x000000ff);
769 tcg_gen_brcondi_i32(TCG_COND_EQ, cmp2, 0, label1);
770 tcg_gen_andi_i32(cpu_sr, cpu_sr, ~SR_T);
772 gen_set_label(label1);
773 tcg_gen_ori_i32(cpu_sr, cpu_sr, SR_T);
774 gen_set_label(label2);
779 case 0x2007: /* div0s Rm,Rn */
781 gen_copy_bit_i32(cpu_sr, 8, REG(B11_8), 31); /* SR_Q */
782 gen_copy_bit_i32(cpu_sr, 9, REG(B7_4), 31); /* SR_M */
783 TCGv val = tcg_temp_new();
784 tcg_gen_xor_i32(val, REG(B7_4), REG(B11_8));
785 gen_copy_bit_i32(cpu_sr, 0, val, 31); /* SR_T */
789 case 0x3004: /* div1 Rm,Rn */
790 gen_helper_div1(REG(B11_8), REG(B7_4), REG(B11_8));
792 case 0x300d: /* dmuls.l Rm,Rn */
794 TCGv_i64 tmp1 = tcg_temp_new_i64();
795 TCGv_i64 tmp2 = tcg_temp_new_i64();
797 tcg_gen_ext_i32_i64(tmp1, REG(B7_4));
798 tcg_gen_ext_i32_i64(tmp2, REG(B11_8));
799 tcg_gen_mul_i64(tmp1, tmp1, tmp2);
800 tcg_gen_trunc_i64_i32(cpu_macl, tmp1);
801 tcg_gen_shri_i64(tmp1, tmp1, 32);
802 tcg_gen_trunc_i64_i32(cpu_mach, tmp1);
804 tcg_temp_free_i64(tmp2);
805 tcg_temp_free_i64(tmp1);
808 case 0x3005: /* dmulu.l Rm,Rn */
810 TCGv_i64 tmp1 = tcg_temp_new_i64();
811 TCGv_i64 tmp2 = tcg_temp_new_i64();
813 tcg_gen_extu_i32_i64(tmp1, REG(B7_4));
814 tcg_gen_extu_i32_i64(tmp2, REG(B11_8));
815 tcg_gen_mul_i64(tmp1, tmp1, tmp2);
816 tcg_gen_trunc_i64_i32(cpu_macl, tmp1);
817 tcg_gen_shri_i64(tmp1, tmp1, 32);
818 tcg_gen_trunc_i64_i32(cpu_mach, tmp1);
820 tcg_temp_free_i64(tmp2);
821 tcg_temp_free_i64(tmp1);
824 case 0x600e: /* exts.b Rm,Rn */
825 tcg_gen_ext8s_i32(REG(B11_8), REG(B7_4));
827 case 0x600f: /* exts.w Rm,Rn */
828 tcg_gen_ext16s_i32(REG(B11_8), REG(B7_4));
830 case 0x600c: /* extu.b Rm,Rn */
831 tcg_gen_ext8u_i32(REG(B11_8), REG(B7_4));
833 case 0x600d: /* extu.w Rm,Rn */
834 tcg_gen_ext16u_i32(REG(B11_8), REG(B7_4));
836 case 0x000f: /* mac.l @Rm+,@Rn+ */
839 arg0 = tcg_temp_new();
840 tcg_gen_qemu_ld32s(arg0, REG(B7_4), ctx->memidx);
841 arg1 = tcg_temp_new();
842 tcg_gen_qemu_ld32s(arg1, REG(B11_8), ctx->memidx);
843 gen_helper_macl(arg0, arg1);
846 tcg_gen_addi_i32(REG(B7_4), REG(B7_4), 4);
847 tcg_gen_addi_i32(REG(B11_8), REG(B11_8), 4);
850 case 0x400f: /* mac.w @Rm+,@Rn+ */
853 arg0 = tcg_temp_new();
854 tcg_gen_qemu_ld32s(arg0, REG(B7_4), ctx->memidx);
855 arg1 = tcg_temp_new();
856 tcg_gen_qemu_ld32s(arg1, REG(B11_8), ctx->memidx);
857 gen_helper_macw(arg0, arg1);
860 tcg_gen_addi_i32(REG(B11_8), REG(B11_8), 2);
861 tcg_gen_addi_i32(REG(B7_4), REG(B7_4), 2);
864 case 0x0007: /* mul.l Rm,Rn */
865 tcg_gen_mul_i32(cpu_macl, REG(B7_4), REG(B11_8));
867 case 0x200f: /* muls.w Rm,Rn */
870 arg0 = tcg_temp_new();
871 tcg_gen_ext16s_i32(arg0, REG(B7_4));
872 arg1 = tcg_temp_new();
873 tcg_gen_ext16s_i32(arg1, REG(B11_8));
874 tcg_gen_mul_i32(cpu_macl, arg0, arg1);
879 case 0x200e: /* mulu.w Rm,Rn */
882 arg0 = tcg_temp_new();
883 tcg_gen_ext16u_i32(arg0, REG(B7_4));
884 arg1 = tcg_temp_new();
885 tcg_gen_ext16u_i32(arg1, REG(B11_8));
886 tcg_gen_mul_i32(cpu_macl, arg0, arg1);
891 case 0x600b: /* neg Rm,Rn */
892 tcg_gen_neg_i32(REG(B11_8), REG(B7_4));
894 case 0x600a: /* negc Rm,Rn */
895 gen_helper_negc(REG(B11_8), REG(B7_4));
897 case 0x6007: /* not Rm,Rn */
898 tcg_gen_not_i32(REG(B11_8), REG(B7_4));
900 case 0x200b: /* or Rm,Rn */
901 tcg_gen_or_i32(REG(B11_8), REG(B11_8), REG(B7_4));
903 case 0x400c: /* shad Rm,Rn */
905 int label1 = gen_new_label();
906 int label2 = gen_new_label();
907 int label3 = gen_new_label();
908 int label4 = gen_new_label();
909 TCGv shift = tcg_temp_local_new(TCG_TYPE_I32);
910 tcg_gen_brcondi_i32(TCG_COND_LT, REG(B7_4), 0, label1);
911 /* Rm positive, shift to the left */
912 tcg_gen_andi_i32(shift, REG(B7_4), 0x1f);
913 tcg_gen_shl_i32(REG(B11_8), REG(B11_8), shift);
915 /* Rm negative, shift to the right */
916 gen_set_label(label1);
917 tcg_gen_andi_i32(shift, REG(B7_4), 0x1f);
918 tcg_gen_brcondi_i32(TCG_COND_EQ, shift, 0, label2);
919 tcg_gen_not_i32(shift, REG(B7_4));
920 tcg_gen_andi_i32(shift, shift, 0x1f);
921 tcg_gen_addi_i32(shift, shift, 1);
922 tcg_gen_sar_i32(REG(B11_8), REG(B11_8), shift);
925 gen_set_label(label2);
926 tcg_gen_brcondi_i32(TCG_COND_LT, REG(B11_8), 0, label3);
927 tcg_gen_movi_i32(REG(B11_8), 0);
929 gen_set_label(label3);
930 tcg_gen_movi_i32(REG(B11_8), 0xffffffff);
931 gen_set_label(label4);
932 tcg_temp_free(shift);
935 case 0x400d: /* shld Rm,Rn */
937 int label1 = gen_new_label();
938 int label2 = gen_new_label();
939 int label3 = gen_new_label();
940 TCGv shift = tcg_temp_local_new(TCG_TYPE_I32);
941 tcg_gen_brcondi_i32(TCG_COND_LT, REG(B7_4), 0, label1);
942 /* Rm positive, shift to the left */
943 tcg_gen_andi_i32(shift, REG(B7_4), 0x1f);
944 tcg_gen_shl_i32(REG(B11_8), REG(B11_8), shift);
946 /* Rm negative, shift to the right */
947 gen_set_label(label1);
948 tcg_gen_andi_i32(shift, REG(B7_4), 0x1f);
949 tcg_gen_brcondi_i32(TCG_COND_EQ, shift, 0, label2);
950 tcg_gen_not_i32(shift, REG(B7_4));
951 tcg_gen_andi_i32(shift, shift, 0x1f);
952 tcg_gen_addi_i32(shift, shift, 1);
953 tcg_gen_shr_i32(REG(B11_8), REG(B11_8), shift);
956 gen_set_label(label2);
957 tcg_gen_movi_i32(REG(B11_8), 0);
958 gen_set_label(label3);
959 tcg_temp_free(shift);
962 case 0x3008: /* sub Rm,Rn */
963 tcg_gen_sub_i32(REG(B11_8), REG(B11_8), REG(B7_4));
965 case 0x300a: /* subc Rm,Rn */
966 gen_helper_subc(REG(B11_8), REG(B7_4), REG(B11_8));
968 case 0x300b: /* subv Rm,Rn */
969 gen_helper_subv(REG(B11_8), REG(B7_4), REG(B11_8));
971 case 0x2008: /* tst Rm,Rn */
973 TCGv val = tcg_temp_new();
974 tcg_gen_and_i32(val, REG(B7_4), REG(B11_8));
975 gen_cmp_imm(TCG_COND_EQ, val, 0);
979 case 0x200a: /* xor Rm,Rn */
980 tcg_gen_xor_i32(REG(B11_8), REG(B11_8), REG(B7_4));
982 case 0xf00c: /* fmov {F,D,X}Rm,{F,D,X}Rn - FPSCR: Nothing */
983 if (ctx->fpscr & FPSCR_SZ) {
984 TCGv_i64 fp = tcg_temp_new_i64();
985 gen_load_fpr64(fp, XREG(B7_4));
986 gen_store_fpr64(fp, XREG(B11_8));
987 tcg_temp_free_i64(fp);
989 tcg_gen_mov_i32(cpu_fregs[FREG(B11_8)], cpu_fregs[FREG(B7_4)]);
992 case 0xf00a: /* fmov {F,D,X}Rm,@Rn - FPSCR: Nothing */
993 if (ctx->fpscr & FPSCR_SZ) {
994 TCGv_i64 fp = tcg_temp_new_i64();
995 gen_load_fpr64(fp, XREG(B7_4));
996 tcg_gen_qemu_st64(fp, REG(B11_8), ctx->memidx);
997 tcg_temp_free_i64(fp);
999 tcg_gen_qemu_st32(cpu_fregs[FREG(B7_4)], REG(B11_8), ctx->memidx);
1002 case 0xf008: /* fmov @Rm,{F,D,X}Rn - FPSCR: Nothing */
1003 if (ctx->fpscr & FPSCR_SZ) {
1004 TCGv_i64 fp = tcg_temp_new_i64();
1005 tcg_gen_qemu_ld64(fp, REG(B7_4), ctx->memidx);
1006 gen_store_fpr64(fp, XREG(B11_8));
1007 tcg_temp_free_i64(fp);
1009 tcg_gen_qemu_ld32u(cpu_fregs[FREG(B11_8)], REG(B7_4), ctx->memidx);
1012 case 0xf009: /* fmov @Rm+,{F,D,X}Rn - FPSCR: Nothing */
1013 if (ctx->fpscr & FPSCR_SZ) {
1014 TCGv_i64 fp = tcg_temp_new_i64();
1015 tcg_gen_qemu_ld64(fp, REG(B7_4), ctx->memidx);
1016 gen_store_fpr64(fp, XREG(B11_8));
1017 tcg_temp_free_i64(fp);
1018 tcg_gen_addi_i32(REG(B7_4),REG(B7_4), 8);
1020 tcg_gen_qemu_ld32u(cpu_fregs[FREG(B11_8)], REG(B7_4), ctx->memidx);
1021 tcg_gen_addi_i32(REG(B7_4), REG(B7_4), 4);
1024 case 0xf00b: /* fmov {F,D,X}Rm,@-Rn - FPSCR: Nothing */
1025 if (ctx->fpscr & FPSCR_SZ) {
1028 addr = tcg_temp_new();
1029 tcg_gen_subi_i32(addr, REG(B11_8), 8);
1030 fp = tcg_temp_new_i64();
1031 gen_load_fpr64(fp, XREG(B7_4));
1032 tcg_gen_qemu_st64(fp, addr, ctx->memidx);
1033 tcg_temp_free_i64(fp);
1034 tcg_temp_free(addr);
1035 tcg_gen_subi_i32(REG(B11_8), REG(B11_8), 8);
1038 addr = tcg_temp_new_i32();
1039 tcg_gen_subi_i32(addr, REG(B11_8), 4);
1040 tcg_gen_qemu_st32(cpu_fregs[FREG(B7_4)], addr, ctx->memidx);
1041 tcg_temp_free(addr);
1042 tcg_gen_subi_i32(REG(B11_8), REG(B11_8), 4);
1045 case 0xf006: /* fmov @(R0,Rm),{F,D,X}Rm - FPSCR: Nothing */
1047 TCGv addr = tcg_temp_new_i32();
1048 tcg_gen_add_i32(addr, REG(B7_4), REG(0));
1049 if (ctx->fpscr & FPSCR_SZ) {
1050 TCGv_i64 fp = tcg_temp_new_i64();
1051 tcg_gen_qemu_ld64(fp, addr, ctx->memidx);
1052 gen_store_fpr64(fp, XREG(B11_8));
1053 tcg_temp_free_i64(fp);
1055 tcg_gen_qemu_ld32u(cpu_fregs[FREG(B11_8)], addr, ctx->memidx);
1057 tcg_temp_free(addr);
1060 case 0xf007: /* fmov {F,D,X}Rn,@(R0,Rn) - FPSCR: Nothing */
1062 TCGv addr = tcg_temp_new();
1063 tcg_gen_add_i32(addr, REG(B11_8), REG(0));
1064 if (ctx->fpscr & FPSCR_SZ) {
1065 TCGv_i64 fp = tcg_temp_new_i64();
1066 gen_load_fpr64(fp, XREG(B7_4));
1067 tcg_gen_qemu_st64(fp, addr, ctx->memidx);
1068 tcg_temp_free_i64(fp);
1070 tcg_gen_qemu_st32(cpu_fregs[FREG(B7_4)], addr, ctx->memidx);
1072 tcg_temp_free(addr);
1075 case 0xf000: /* fadd Rm,Rn - FPSCR: R[PR,Enable.O/U/I]/W[Cause,Flag] */
1076 case 0xf001: /* fsub Rm,Rn - FPSCR: R[PR,Enable.O/U/I]/W[Cause,Flag] */
1077 case 0xf002: /* fmul Rm,Rn - FPSCR: R[PR,Enable.O/U/I]/W[Cause,Flag] */
1078 case 0xf003: /* fdiv Rm,Rn - FPSCR: R[PR,Enable.O/U/I]/W[Cause,Flag] */
1079 case 0xf004: /* fcmp/eq Rm,Rn - FPSCR: R[PR,Enable.V]/W[Cause,Flag] */
1080 case 0xf005: /* fcmp/gt Rm,Rn - FPSCR: R[PR,Enable.V]/W[Cause,Flag] */
1082 if (ctx->fpscr & FPSCR_PR) {
1085 if (ctx->opcode & 0x0110)
1086 break; /* illegal instruction */
1087 fp0 = tcg_temp_new_i64();
1088 fp1 = tcg_temp_new_i64();
1089 gen_load_fpr64(fp0, DREG(B11_8));
1090 gen_load_fpr64(fp1, DREG(B7_4));
1091 switch (ctx->opcode & 0xf00f) {
1092 case 0xf000: /* fadd Rm,Rn */
1093 gen_helper_fadd_DT(fp0, fp0, fp1);
1095 case 0xf001: /* fsub Rm,Rn */
1096 gen_helper_fsub_DT(fp0, fp0, fp1);
1098 case 0xf002: /* fmul Rm,Rn */
1099 gen_helper_fmul_DT(fp0, fp0, fp1);
1101 case 0xf003: /* fdiv Rm,Rn */
1102 gen_helper_fdiv_DT(fp0, fp0, fp1);
1104 case 0xf004: /* fcmp/eq Rm,Rn */
1105 gen_helper_fcmp_eq_DT(fp0, fp1);
1107 case 0xf005: /* fcmp/gt Rm,Rn */
1108 gen_helper_fcmp_gt_DT(fp0, fp1);
1111 gen_store_fpr64(fp0, DREG(B11_8));
1112 tcg_temp_free_i64(fp0);
1113 tcg_temp_free_i64(fp1);
1115 switch (ctx->opcode & 0xf00f) {
1116 case 0xf000: /* fadd Rm,Rn */
1117 gen_helper_fadd_FT(cpu_fregs[FREG(B11_8)], cpu_fregs[FREG(B11_8)], cpu_fregs[FREG(B7_4)]);
1119 case 0xf001: /* fsub Rm,Rn */
1120 gen_helper_fsub_FT(cpu_fregs[FREG(B11_8)], cpu_fregs[FREG(B11_8)], cpu_fregs[FREG(B7_4)]);
1122 case 0xf002: /* fmul Rm,Rn */
1123 gen_helper_fmul_FT(cpu_fregs[FREG(B11_8)], cpu_fregs[FREG(B11_8)], cpu_fregs[FREG(B7_4)]);
1125 case 0xf003: /* fdiv Rm,Rn */
1126 gen_helper_fdiv_FT(cpu_fregs[FREG(B11_8)], cpu_fregs[FREG(B11_8)], cpu_fregs[FREG(B7_4)]);
1128 case 0xf004: /* fcmp/eq Rm,Rn */
1129 gen_helper_fcmp_eq_FT(cpu_fregs[FREG(B11_8)], cpu_fregs[FREG(B7_4)]);
1131 case 0xf005: /* fcmp/gt Rm,Rn */
1132 gen_helper_fcmp_gt_FT(cpu_fregs[FREG(B11_8)], cpu_fregs[FREG(B7_4)]);
1140 switch (ctx->opcode & 0xff00) {
1141 case 0xc900: /* and #imm,R0 */
1142 tcg_gen_andi_i32(REG(0), REG(0), B7_0);
1144 case 0xcd00: /* and.b #imm,@(R0,GBR) */
1147 addr = tcg_temp_new();
1148 tcg_gen_add_i32(addr, REG(0), cpu_gbr);
1149 val = tcg_temp_new();
1150 tcg_gen_qemu_ld8u(val, addr, ctx->memidx);
1151 tcg_gen_andi_i32(val, val, B7_0);
1152 tcg_gen_qemu_st8(val, addr, ctx->memidx);
1154 tcg_temp_free(addr);
1157 case 0x8b00: /* bf label */
1158 CHECK_NOT_DELAY_SLOT
1159 gen_conditional_jump(ctx, ctx->pc + 2,
1160 ctx->pc + 4 + B7_0s * 2);
1161 ctx->bstate = BS_BRANCH;
1163 case 0x8f00: /* bf/s label */
1164 CHECK_NOT_DELAY_SLOT
1165 gen_branch_slot(ctx->delayed_pc = ctx->pc + 4 + B7_0s * 2, 0);
1166 ctx->flags |= DELAY_SLOT_CONDITIONAL;
1168 case 0x8900: /* bt label */
1169 CHECK_NOT_DELAY_SLOT
1170 gen_conditional_jump(ctx, ctx->pc + 4 + B7_0s * 2,
1172 ctx->bstate = BS_BRANCH;
1174 case 0x8d00: /* bt/s label */
1175 CHECK_NOT_DELAY_SLOT
1176 gen_branch_slot(ctx->delayed_pc = ctx->pc + 4 + B7_0s * 2, 1);
1177 ctx->flags |= DELAY_SLOT_CONDITIONAL;
1179 case 0x8800: /* cmp/eq #imm,R0 */
1180 gen_cmp_imm(TCG_COND_EQ, REG(0), B7_0s);
1182 case 0xc400: /* mov.b @(disp,GBR),R0 */
1184 TCGv addr = tcg_temp_new();
1185 tcg_gen_addi_i32(addr, cpu_gbr, B7_0);
1186 tcg_gen_qemu_ld8s(REG(0), addr, ctx->memidx);
1187 tcg_temp_free(addr);
1190 case 0xc500: /* mov.w @(disp,GBR),R0 */
1192 TCGv addr = tcg_temp_new();
1193 tcg_gen_addi_i32(addr, cpu_gbr, B7_0 * 2);
1194 tcg_gen_qemu_ld16s(REG(0), addr, ctx->memidx);
1195 tcg_temp_free(addr);
1198 case 0xc600: /* mov.l @(disp,GBR),R0 */
1200 TCGv addr = tcg_temp_new();
1201 tcg_gen_addi_i32(addr, cpu_gbr, B7_0 * 4);
1202 tcg_gen_qemu_ld32s(REG(0), addr, ctx->memidx);
1203 tcg_temp_free(addr);
1206 case 0xc000: /* mov.b R0,@(disp,GBR) */
1208 TCGv addr = tcg_temp_new();
1209 tcg_gen_addi_i32(addr, cpu_gbr, B7_0);
1210 tcg_gen_qemu_st8(REG(0), addr, ctx->memidx);
1211 tcg_temp_free(addr);
1214 case 0xc100: /* mov.w R0,@(disp,GBR) */
1216 TCGv addr = tcg_temp_new();
1217 tcg_gen_addi_i32(addr, cpu_gbr, B7_0 * 2);
1218 tcg_gen_qemu_st16(REG(0), addr, ctx->memidx);
1219 tcg_temp_free(addr);
1222 case 0xc200: /* mov.l R0,@(disp,GBR) */
1224 TCGv addr = tcg_temp_new();
1225 tcg_gen_addi_i32(addr, cpu_gbr, B7_0 * 4);
1226 tcg_gen_qemu_st32(REG(0), addr, ctx->memidx);
1227 tcg_temp_free(addr);
1230 case 0x8000: /* mov.b R0,@(disp,Rn) */
1232 TCGv addr = tcg_temp_new();
1233 tcg_gen_addi_i32(addr, REG(B7_4), B3_0);
1234 tcg_gen_qemu_st8(REG(0), addr, ctx->memidx);
1235 tcg_temp_free(addr);
1238 case 0x8100: /* mov.w R0,@(disp,Rn) */
1240 TCGv addr = tcg_temp_new();
1241 tcg_gen_addi_i32(addr, REG(B7_4), B3_0 * 2);
1242 tcg_gen_qemu_st16(REG(0), addr, ctx->memidx);
1243 tcg_temp_free(addr);
1246 case 0x8400: /* mov.b @(disp,Rn),R0 */
1248 TCGv addr = tcg_temp_new();
1249 tcg_gen_addi_i32(addr, REG(B7_4), B3_0);
1250 tcg_gen_qemu_ld8s(REG(0), addr, ctx->memidx);
1251 tcg_temp_free(addr);
1254 case 0x8500: /* mov.w @(disp,Rn),R0 */
1256 TCGv addr = tcg_temp_new();
1257 tcg_gen_addi_i32(addr, REG(B7_4), B3_0 * 2);
1258 tcg_gen_qemu_ld16s(REG(0), addr, ctx->memidx);
1259 tcg_temp_free(addr);
1262 case 0xc700: /* mova @(disp,PC),R0 */
1263 tcg_gen_movi_i32(REG(0), ((ctx->pc & 0xfffffffc) + 4 + B7_0 * 4) & ~3);
1265 case 0xcb00: /* or #imm,R0 */
1266 tcg_gen_ori_i32(REG(0), REG(0), B7_0);
1268 case 0xcf00: /* or.b #imm,@(R0,GBR) */
1271 addr = tcg_temp_new();
1272 tcg_gen_add_i32(addr, REG(0), cpu_gbr);
1273 val = tcg_temp_new();
1274 tcg_gen_qemu_ld8u(val, addr, ctx->memidx);
1275 tcg_gen_ori_i32(val, val, B7_0);
1276 tcg_gen_qemu_st8(val, addr, ctx->memidx);
1278 tcg_temp_free(addr);
1281 case 0xc300: /* trapa #imm */
1284 CHECK_NOT_DELAY_SLOT
1285 tcg_gen_movi_i32(cpu_pc, ctx->pc);
1286 imm = tcg_const_i32(B7_0);
1287 gen_helper_trapa(imm);
1289 ctx->bstate = BS_BRANCH;
1292 case 0xc800: /* tst #imm,R0 */
1294 TCGv val = tcg_temp_new();
1295 tcg_gen_andi_i32(val, REG(0), B7_0);
1296 gen_cmp_imm(TCG_COND_EQ, val, 0);
1300 case 0xcc00: /* tst.b #imm,@(R0,GBR) */
1302 TCGv val = tcg_temp_new();
1303 tcg_gen_add_i32(val, REG(0), cpu_gbr);
1304 tcg_gen_qemu_ld8u(val, val, ctx->memidx);
1305 tcg_gen_andi_i32(val, val, B7_0);
1306 gen_cmp_imm(TCG_COND_EQ, val, 0);
1310 case 0xca00: /* xor #imm,R0 */
1311 tcg_gen_xori_i32(REG(0), REG(0), B7_0);
1313 case 0xce00: /* xor.b #imm,@(R0,GBR) */
1316 addr = tcg_temp_new();
1317 tcg_gen_add_i32(addr, REG(0), cpu_gbr);
1318 val = tcg_temp_new();
1319 tcg_gen_qemu_ld8u(val, addr, ctx->memidx);
1320 tcg_gen_xori_i32(val, val, B7_0);
1321 tcg_gen_qemu_st8(val, addr, ctx->memidx);
1323 tcg_temp_free(addr);
1328 switch (ctx->opcode & 0xf08f) {
1329 case 0x408e: /* ldc Rm,Rn_BANK */
1331 tcg_gen_mov_i32(ALTREG(B6_4), REG(B11_8));
1333 case 0x4087: /* ldc.l @Rm+,Rn_BANK */
1335 tcg_gen_qemu_ld32s(ALTREG(B6_4), REG(B11_8), ctx->memidx);
1336 tcg_gen_addi_i32(REG(B11_8), REG(B11_8), 4);
1338 case 0x0082: /* stc Rm_BANK,Rn */
1340 tcg_gen_mov_i32(REG(B11_8), ALTREG(B6_4));
1342 case 0x4083: /* stc.l Rm_BANK,@-Rn */
1345 TCGv addr = tcg_temp_new();
1346 tcg_gen_subi_i32(addr, REG(B11_8), 4);
1347 tcg_gen_qemu_st32(ALTREG(B6_4), addr, ctx->memidx);
1348 tcg_temp_free(addr);
1349 tcg_gen_subi_i32(REG(B11_8), REG(B11_8), 4);
1354 switch (ctx->opcode & 0xf0ff) {
1355 case 0x0023: /* braf Rn */
1356 CHECK_NOT_DELAY_SLOT
1357 tcg_gen_addi_i32(cpu_delayed_pc, REG(B11_8), ctx->pc + 4);
1358 ctx->flags |= DELAY_SLOT;
1359 ctx->delayed_pc = (uint32_t) - 1;
1361 case 0x0003: /* bsrf Rn */
1362 CHECK_NOT_DELAY_SLOT
1363 tcg_gen_movi_i32(cpu_pr, ctx->pc + 4);
1364 tcg_gen_add_i32(cpu_delayed_pc, REG(B11_8), cpu_pr);
1365 ctx->flags |= DELAY_SLOT;
1366 ctx->delayed_pc = (uint32_t) - 1;
1368 case 0x4015: /* cmp/pl Rn */
1369 gen_cmp_imm(TCG_COND_GT, REG(B11_8), 0);
1371 case 0x4011: /* cmp/pz Rn */
1372 gen_cmp_imm(TCG_COND_GE, REG(B11_8), 0);
1374 case 0x4010: /* dt Rn */
1375 tcg_gen_subi_i32(REG(B11_8), REG(B11_8), 1);
1376 gen_cmp_imm(TCG_COND_EQ, REG(B11_8), 0);
1378 case 0x402b: /* jmp @Rn */
1379 CHECK_NOT_DELAY_SLOT
1380 tcg_gen_mov_i32(cpu_delayed_pc, REG(B11_8));
1381 ctx->flags |= DELAY_SLOT;
1382 ctx->delayed_pc = (uint32_t) - 1;
1384 case 0x400b: /* jsr @Rn */
1385 CHECK_NOT_DELAY_SLOT
1386 tcg_gen_movi_i32(cpu_pr, ctx->pc + 4);
1387 tcg_gen_mov_i32(cpu_delayed_pc, REG(B11_8));
1388 ctx->flags |= DELAY_SLOT;
1389 ctx->delayed_pc = (uint32_t) - 1;
1391 case 0x400e: /* ldc Rm,SR */
1393 tcg_gen_andi_i32(cpu_sr, REG(B11_8), 0x700083f3);
1394 ctx->bstate = BS_STOP;
1396 case 0x4007: /* ldc.l @Rm+,SR */
1399 TCGv val = tcg_temp_new();
1400 tcg_gen_qemu_ld32s(val, REG(B11_8), ctx->memidx);
1401 tcg_gen_andi_i32(cpu_sr, val, 0x700083f3);
1403 tcg_gen_addi_i32(REG(B11_8), REG(B11_8), 4);
1404 ctx->bstate = BS_STOP;
1407 case 0x0002: /* stc SR,Rn */
1409 tcg_gen_mov_i32(REG(B11_8), cpu_sr);
1411 case 0x4003: /* stc SR,@-Rn */
1414 TCGv addr = tcg_temp_new();
1415 tcg_gen_subi_i32(addr, REG(B11_8), 4);
1416 tcg_gen_qemu_st32(cpu_sr, addr, ctx->memidx);
1417 tcg_temp_free(addr);
1418 tcg_gen_subi_i32(REG(B11_8), REG(B11_8), 4);
1421 #define LDST(reg,ldnum,ldpnum,stnum,stpnum,prechk) \
1424 tcg_gen_mov_i32 (cpu_##reg, REG(B11_8)); \
1428 tcg_gen_qemu_ld32s (cpu_##reg, REG(B11_8), ctx->memidx); \
1429 tcg_gen_addi_i32(REG(B11_8), REG(B11_8), 4); \
1433 tcg_gen_mov_i32 (REG(B11_8), cpu_##reg); \
1438 TCGv addr = tcg_temp_new(); \
1439 tcg_gen_subi_i32(addr, REG(B11_8), 4); \
1440 tcg_gen_qemu_st32 (cpu_##reg, addr, ctx->memidx); \
1441 tcg_temp_free(addr); \
1442 tcg_gen_subi_i32(REG(B11_8), REG(B11_8), 4); \
1445 LDST(gbr, 0x401e, 0x4017, 0x0012, 0x4013, {})
1446 LDST(vbr, 0x402e, 0x4027, 0x0022, 0x4023, CHECK_PRIVILEGED)
1447 LDST(ssr, 0x403e, 0x4037, 0x0032, 0x4033, CHECK_PRIVILEGED)
1448 LDST(spc, 0x404e, 0x4047, 0x0042, 0x4043, CHECK_PRIVILEGED)
1449 LDST(dbr, 0x40fa, 0x40f6, 0x00fa, 0x40f2, CHECK_PRIVILEGED)
1450 LDST(mach, 0x400a, 0x4006, 0x000a, 0x4002, {})
1451 LDST(macl, 0x401a, 0x4016, 0x001a, 0x4012, {})
1452 LDST(pr, 0x402a, 0x4026, 0x002a, 0x4022, {})
1453 LDST(fpul, 0x405a, 0x4056, 0x005a, 0x4052, {})
1454 case 0x406a: /* lds Rm,FPSCR */
1455 gen_helper_ld_fpscr(REG(B11_8));
1456 ctx->bstate = BS_STOP;
1458 case 0x4066: /* lds.l @Rm+,FPSCR */
1460 TCGv addr = tcg_temp_new();
1461 tcg_gen_qemu_ld32s(addr, REG(B11_8), ctx->memidx);
1462 tcg_gen_addi_i32(REG(B11_8), REG(B11_8), 4);
1463 gen_helper_ld_fpscr(addr);
1464 tcg_temp_free(addr);
1465 ctx->bstate = BS_STOP;
1468 case 0x006a: /* sts FPSCR,Rn */
1469 tcg_gen_andi_i32(REG(B11_8), cpu_fpscr, 0x003fffff);
1471 case 0x4062: /* sts FPSCR,@-Rn */
1474 val = tcg_temp_new();
1475 tcg_gen_andi_i32(val, cpu_fpscr, 0x003fffff);
1476 addr = tcg_temp_new();
1477 tcg_gen_subi_i32(addr, REG(B11_8), 4);
1478 tcg_gen_qemu_st32(val, addr, ctx->memidx);
1479 tcg_temp_free(addr);
1481 tcg_gen_subi_i32(REG(B11_8), REG(B11_8), 4);
1484 case 0x00c3: /* movca.l R0,@Rm */
1485 tcg_gen_qemu_st32(REG(0), REG(B11_8), ctx->memidx);
1488 /* MOVUA.L @Rm,R0 (Rm) -> R0
1489 Load non-boundary-aligned data */
1490 tcg_gen_qemu_ld32u(REG(0), REG(B11_8), ctx->memidx);
1493 /* MOVUA.L @Rm+,R0 (Rm) -> R0, Rm + 4 -> Rm
1494 Load non-boundary-aligned data */
1495 tcg_gen_qemu_ld32u(REG(0), REG(B11_8), ctx->memidx);
1496 tcg_gen_addi_i32(REG(B11_8), REG(B11_8), 4);
1498 case 0x0029: /* movt Rn */
1499 tcg_gen_andi_i32(REG(B11_8), cpu_sr, SR_T);
1501 case 0x0093: /* ocbi @Rn */
1503 TCGv dummy = tcg_temp_new();
1504 tcg_gen_qemu_ld32s(dummy, REG(B11_8), ctx->memidx);
1505 tcg_temp_free(dummy);
1508 case 0x00a3: /* ocbp @Rn */
1510 TCGv dummy = tcg_temp_new();
1511 tcg_gen_qemu_ld32s(dummy, REG(B11_8), ctx->memidx);
1512 tcg_temp_free(dummy);
1515 case 0x00b3: /* ocbwb @Rn */
1517 TCGv dummy = tcg_temp_new();
1518 tcg_gen_qemu_ld32s(dummy, REG(B11_8), ctx->memidx);
1519 tcg_temp_free(dummy);
1522 case 0x0083: /* pref @Rn */
1524 case 0x4024: /* rotcl Rn */
1526 TCGv tmp = tcg_temp_new();
1527 tcg_gen_mov_i32(tmp, cpu_sr);
1528 gen_copy_bit_i32(cpu_sr, 0, REG(B11_8), 31);
1529 tcg_gen_shli_i32(REG(B11_8), REG(B11_8), 1);
1530 gen_copy_bit_i32(REG(B11_8), 0, tmp, 0);
1534 case 0x4025: /* rotcr Rn */
1536 TCGv tmp = tcg_temp_new();
1537 tcg_gen_mov_i32(tmp, cpu_sr);
1538 gen_copy_bit_i32(cpu_sr, 0, REG(B11_8), 0);
1539 tcg_gen_shri_i32(REG(B11_8), REG(B11_8), 1);
1540 gen_copy_bit_i32(REG(B11_8), 31, tmp, 0);
1544 case 0x4004: /* rotl Rn */
1545 gen_copy_bit_i32(cpu_sr, 0, REG(B11_8), 31);
1546 tcg_gen_shli_i32(REG(B11_8), REG(B11_8), 1);
1547 gen_copy_bit_i32(REG(B11_8), 0, cpu_sr, 0);
1549 case 0x4005: /* rotr Rn */
1550 gen_copy_bit_i32(cpu_sr, 0, REG(B11_8), 0);
1551 tcg_gen_shri_i32(REG(B11_8), REG(B11_8), 1);
1552 gen_copy_bit_i32(REG(B11_8), 31, cpu_sr, 0);
1554 case 0x4000: /* shll Rn */
1555 case 0x4020: /* shal Rn */
1556 gen_copy_bit_i32(cpu_sr, 0, REG(B11_8), 31);
1557 tcg_gen_shli_i32(REG(B11_8), REG(B11_8), 1);
1559 case 0x4021: /* shar Rn */
1560 gen_copy_bit_i32(cpu_sr, 0, REG(B11_8), 0);
1561 tcg_gen_sari_i32(REG(B11_8), REG(B11_8), 1);
1563 case 0x4001: /* shlr Rn */
1564 gen_copy_bit_i32(cpu_sr, 0, REG(B11_8), 0);
1565 tcg_gen_shri_i32(REG(B11_8), REG(B11_8), 1);
1567 case 0x4008: /* shll2 Rn */
1568 tcg_gen_shli_i32(REG(B11_8), REG(B11_8), 2);
1570 case 0x4018: /* shll8 Rn */
1571 tcg_gen_shli_i32(REG(B11_8), REG(B11_8), 8);
1573 case 0x4028: /* shll16 Rn */
1574 tcg_gen_shli_i32(REG(B11_8), REG(B11_8), 16);
1576 case 0x4009: /* shlr2 Rn */
1577 tcg_gen_shri_i32(REG(B11_8), REG(B11_8), 2);
1579 case 0x4019: /* shlr8 Rn */
1580 tcg_gen_shri_i32(REG(B11_8), REG(B11_8), 8);
1582 case 0x4029: /* shlr16 Rn */
1583 tcg_gen_shri_i32(REG(B11_8), REG(B11_8), 16);
1585 case 0x401b: /* tas.b @Rn */
1588 addr = tcg_temp_local_new(TCG_TYPE_I32);
1589 tcg_gen_mov_i32(addr, REG(B11_8));
1590 val = tcg_temp_local_new(TCG_TYPE_I32);
1591 tcg_gen_qemu_ld8u(val, addr, ctx->memidx);
1592 gen_cmp_imm(TCG_COND_EQ, val, 0);
1593 tcg_gen_ori_i32(val, val, 0x80);
1594 tcg_gen_qemu_st8(val, addr, ctx->memidx);
1596 tcg_temp_free(addr);
1599 case 0xf00d: /* fsts FPUL,FRn - FPSCR: Nothing */
1601 tcg_gen_mov_i32(cpu_fregs[FREG(B11_8)], cpu_fpul);
1604 case 0xf01d: /* flds FRm,FPUL - FPSCR: Nothing */
1606 tcg_gen_mov_i32(cpu_fpul, cpu_fregs[FREG(B11_8)]);
1609 case 0xf02d: /* float FPUL,FRn/DRn - FPSCR: R[PR,Enable.I]/W[Cause,Flag] */
1610 if (ctx->fpscr & FPSCR_PR) {
1612 if (ctx->opcode & 0x0100)
1613 break; /* illegal instruction */
1614 fp = tcg_temp_new_i64();
1615 gen_helper_float_DT(fp, cpu_fpul);
1616 gen_store_fpr64(fp, DREG(B11_8));
1617 tcg_temp_free_i64(fp);
1620 gen_helper_float_FT(cpu_fregs[FREG(B11_8)], cpu_fpul);
1623 case 0xf03d: /* ftrc FRm/DRm,FPUL - FPSCR: R[PR,Enable.V]/W[Cause,Flag] */
1624 if (ctx->fpscr & FPSCR_PR) {
1626 if (ctx->opcode & 0x0100)
1627 break; /* illegal instruction */
1628 fp = tcg_temp_new_i64();
1629 gen_load_fpr64(fp, DREG(B11_8));
1630 gen_helper_ftrc_DT(cpu_fpul, fp);
1631 tcg_temp_free_i64(fp);
1634 gen_helper_ftrc_FT(cpu_fpul, cpu_fregs[FREG(B11_8)]);
1637 case 0xf04d: /* fneg FRn/DRn - FPSCR: Nothing */
1639 gen_helper_fneg_T(cpu_fregs[FREG(B11_8)], cpu_fregs[FREG(B11_8)]);
1642 case 0xf05d: /* fabs FRn/DRn */
1643 if (ctx->fpscr & FPSCR_PR) {
1644 if (ctx->opcode & 0x0100)
1645 break; /* illegal instruction */
1646 TCGv_i64 fp = tcg_temp_new_i64();
1647 gen_load_fpr64(fp, DREG(B11_8));
1648 gen_helper_fabs_DT(fp, fp);
1649 gen_store_fpr64(fp, DREG(B11_8));
1650 tcg_temp_free_i64(fp);
1652 gen_helper_fabs_FT(cpu_fregs[FREG(B11_8)], cpu_fregs[FREG(B11_8)]);
1655 case 0xf06d: /* fsqrt FRn */
1656 if (ctx->fpscr & FPSCR_PR) {
1657 if (ctx->opcode & 0x0100)
1658 break; /* illegal instruction */
1659 TCGv_i64 fp = tcg_temp_new_i64();
1660 gen_load_fpr64(fp, DREG(B11_8));
1661 gen_helper_fsqrt_DT(fp, fp);
1662 gen_store_fpr64(fp, DREG(B11_8));
1663 tcg_temp_free_i64(fp);
1665 gen_helper_fsqrt_FT(cpu_fregs[FREG(B11_8)], cpu_fregs[FREG(B11_8)]);
1668 case 0xf07d: /* fsrra FRn */
1670 case 0xf08d: /* fldi0 FRn - FPSCR: R[PR] */
1671 if (!(ctx->fpscr & FPSCR_PR)) {
1672 tcg_gen_movi_i32(cpu_fregs[FREG(B11_8)], 0);
1675 case 0xf09d: /* fldi1 FRn - FPSCR: R[PR] */
1676 if (!(ctx->fpscr & FPSCR_PR)) {
1677 tcg_gen_movi_i32(cpu_fregs[FREG(B11_8)], 0x3f800000);
1680 case 0xf0ad: /* fcnvsd FPUL,DRn */
1682 TCGv_i64 fp = tcg_temp_new_i64();
1683 gen_helper_fcnvsd_FT_DT(fp, cpu_fpul);
1684 gen_store_fpr64(fp, DREG(B11_8));
1685 tcg_temp_free_i64(fp);
1688 case 0xf0bd: /* fcnvds DRn,FPUL */
1690 TCGv_i64 fp = tcg_temp_new_i64();
1691 gen_load_fpr64(fp, DREG(B11_8));
1692 gen_helper_fcnvds_DT_FT(cpu_fpul, fp);
1693 tcg_temp_free_i64(fp);
1698 fprintf(stderr, "unknown instruction 0x%04x at pc 0x%08x\n",
1699 ctx->opcode, ctx->pc);
1700 gen_helper_raise_illegal_instruction();
1701 ctx->bstate = BS_EXCP;
1704 static void decode_opc(DisasContext * ctx)
1706 uint32_t old_flags = ctx->flags;
1710 if (old_flags & (DELAY_SLOT | DELAY_SLOT_CONDITIONAL)) {
1711 if (ctx->flags & DELAY_SLOT_CLEARME) {
1714 /* go out of the delay slot */
1715 uint32_t new_flags = ctx->flags;
1716 new_flags &= ~(DELAY_SLOT | DELAY_SLOT_CONDITIONAL);
1717 gen_store_flags(new_flags);
1720 ctx->bstate = BS_BRANCH;
1721 if (old_flags & DELAY_SLOT_CONDITIONAL) {
1722 gen_delayed_conditional_jump(ctx);
1723 } else if (old_flags & DELAY_SLOT) {
1729 /* go into a delay slot */
1730 if (ctx->flags & (DELAY_SLOT | DELAY_SLOT_CONDITIONAL))
1731 gen_store_flags(ctx->flags);
1735 gen_intermediate_code_internal(CPUState * env, TranslationBlock * tb,
1739 target_ulong pc_start;
1740 static uint16_t *gen_opc_end;
1747 gen_opc_end = gen_opc_buf + OPC_MAX_SIZE;
1749 ctx.flags = (uint32_t)tb->flags;
1750 ctx.bstate = BS_NONE;
1752 ctx.fpscr = env->fpscr;
1753 ctx.memidx = (env->sr & SR_MD) ? 1 : 0;
1754 /* We don't know if the delayed pc came from a dynamic or static branch,
1755 so assume it is a dynamic branch. */
1756 ctx.delayed_pc = -1; /* use delayed pc from env pointer */
1758 ctx.singlestep_enabled = env->singlestep_enabled;
1761 if (loglevel & CPU_LOG_TB_CPU) {
1763 "------------------------------------------------\n");
1764 cpu_dump_state(env, logfile, fprintf, 0);
1770 max_insns = tb->cflags & CF_COUNT_MASK;
1772 max_insns = CF_COUNT_MASK;
1774 while (ctx.bstate == BS_NONE && gen_opc_ptr < gen_opc_end) {
1775 if (unlikely(env->breakpoints)) {
1776 for (bp = env->breakpoints; bp != NULL; bp = bp->next) {
1777 if (ctx.pc == bp->pc) {
1778 /* We have hit a breakpoint - make sure PC is up-to-date */
1779 tcg_gen_movi_i32(cpu_pc, ctx.pc);
1781 ctx.bstate = BS_EXCP;
1787 i = gen_opc_ptr - gen_opc_buf;
1791 gen_opc_instr_start[ii++] = 0;
1793 gen_opc_pc[ii] = ctx.pc;
1794 gen_opc_hflags[ii] = ctx.flags;
1795 gen_opc_instr_start[ii] = 1;
1796 gen_opc_icount[ii] = num_insns;
1798 if (num_insns + 1 == max_insns && (tb->cflags & CF_LAST_IO))
1801 fprintf(stderr, "Loading opcode at address 0x%08x\n", ctx.pc);
1804 ctx.opcode = lduw_code(ctx.pc);
1808 if ((ctx.pc & (TARGET_PAGE_SIZE - 1)) == 0)
1810 if (env->singlestep_enabled)
1812 if (num_insns >= max_insns)
1814 #ifdef SH4_SINGLE_STEP
1818 if (tb->cflags & CF_LAST_IO)
1820 if (env->singlestep_enabled) {
1821 tcg_gen_movi_i32(cpu_pc, ctx.pc);
1824 switch (ctx.bstate) {
1826 /* gen_op_interrupt_restart(); */
1830 gen_store_flags(ctx.flags | DELAY_SLOT_CLEARME);
1832 gen_goto_tb(&ctx, 0, ctx.pc);
1835 /* gen_op_interrupt_restart(); */
1844 gen_icount_end(tb, num_insns);
1845 *gen_opc_ptr = INDEX_op_end;
1847 i = gen_opc_ptr - gen_opc_buf;
1850 gen_opc_instr_start[ii++] = 0;
1852 tb->size = ctx.pc - pc_start;
1853 tb->icount = num_insns;
1857 #ifdef SH4_DEBUG_DISAS
1858 if (loglevel & CPU_LOG_TB_IN_ASM)
1859 fprintf(logfile, "\n");
1861 if (loglevel & CPU_LOG_TB_IN_ASM) {
1862 fprintf(logfile, "IN:\n"); /* , lookup_symbol(pc_start)); */
1863 target_disas(logfile, pc_start, ctx.pc - pc_start, 0);
1864 fprintf(logfile, "\n");
1869 void gen_intermediate_code(CPUState * env, struct TranslationBlock *tb)
1871 gen_intermediate_code_internal(env, tb, 0);
1874 void gen_intermediate_code_pc(CPUState * env, struct TranslationBlock *tb)
1876 gen_intermediate_code_internal(env, tb, 1);
1879 void gen_pc_load(CPUState *env, TranslationBlock *tb,
1880 unsigned long searched_pc, int pc_pos, void *puc)
1882 env->pc = gen_opc_pc[pc_pos];
1883 env->flags = gen_opc_hflags[pc_pos];