Revision 7eee2a50 target-i386/translate.c
b/target-i386/translate.c | ||
---|---|---|
63 | 63 |
int singlestep_enabled; /* "hardware" single step enabled */ |
64 | 64 |
int jmp_opt; /* use direct block chaining for direct jumps */ |
65 | 65 |
int mem_index; /* select memory access functions */ |
66 |
int flags; /* all execution flags */ |
|
66 | 67 |
struct TranslationBlock *tb; |
67 | 68 |
int popl_esp_hack; /* for correct popl with esp base handling */ |
68 | 69 |
} DisasContext; |
... | ... | |
2814 | 2815 |
/************************/ |
2815 | 2816 |
/* floats */ |
2816 | 2817 |
case 0xd8 ... 0xdf: |
2818 |
if (s->flags & (HF_EM_MASK | HF_TS_MASK)) { |
|
2819 |
/* if CR0.EM or CR0.TS are set, generate an FPU exception */ |
|
2820 |
/* XXX: what to do if illegal op ? */ |
|
2821 |
gen_exception(s, EXCP07_PREX, pc_start - s->cs_base); |
|
2822 |
break; |
|
2823 |
} |
|
2817 | 2824 |
modrm = ldub_code(s->pc++); |
2818 | 2825 |
mod = (modrm >> 6) & 3; |
2819 | 2826 |
rm = modrm & 7; |
... | ... | |
3225 | 3232 |
goto illegal_op; |
3226 | 3233 |
} |
3227 | 3234 |
} |
3235 |
#ifdef USE_CODE_COPY |
|
3236 |
s->tb->cflags |= CF_TB_FP_USED; |
|
3237 |
#endif |
|
3228 | 3238 |
break; |
3229 | 3239 |
/************************/ |
3230 | 3240 |
/* string ops */ |
... | ... | |
3747 | 3757 |
goto illegal_op; |
3748 | 3758 |
break; |
3749 | 3759 |
case 0x9b: /* fwait */ |
3760 |
if ((s->flags & (HF_MP_MASK | HF_TS_MASK)) == |
|
3761 |
(HF_MP_MASK | HF_TS_MASK)) { |
|
3762 |
gen_exception(s, EXCP07_PREX, pc_start - s->cs_base); |
|
3763 |
} |
|
3750 | 3764 |
break; |
3751 | 3765 |
case 0xcc: /* int3 */ |
3752 | 3766 |
gen_interrupt(s, EXCP03_INT3, pc_start - s->cs_base, s->pc - s->cs_base); |
... | ... | |
4140 | 4154 |
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); |
4141 | 4155 |
} else { |
4142 | 4156 |
gen_op_clts(); |
4157 |
/* abort block because static cpu state changed */ |
|
4158 |
gen_op_jmp_im(s->pc - s->cs_base); |
|
4159 |
gen_eob(s); |
|
4143 | 4160 |
} |
4144 | 4161 |
break; |
4145 | 4162 |
default: |
... | ... | |
4504 | 4521 |
else |
4505 | 4522 |
dc->mem_index = 3; |
4506 | 4523 |
} |
4524 |
dc->flags = flags; |
|
4507 | 4525 |
dc->jmp_opt = !(dc->tf || env->singlestep_enabled || |
4508 | 4526 |
(flags & HF_INHIBIT_IRQ_MASK) |
4509 | 4527 |
#ifndef CONFIG_SOFTMMU |
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