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fwait fix (aka DOS Navigator fix) 

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@187 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2003-05-25 23:10:30 +00:00
parent cf25629d1e
commit a37904dd86
1 changed files with 2 additions and 4 deletions
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6
translate-i386.c
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@ -112,7 +112,6 @@ extern int loglevel;
#define PREFIX_LOCK 0x04 #define PREFIX_LOCK 0x04
#define PREFIX_DATA 0x08 #define PREFIX_DATA 0x08
#define PREFIX_ADR 0x10 #define PREFIX_ADR 0x10
#define PREFIX_FWAIT 0x20
typedef struct DisasContext { typedef struct DisasContext {
/* current insn context */ /* current insn context */
@ -1440,9 +1439,6 @@ long disas_insn(DisasContext *s, uint8_t *pc_start)
case 0x67: case 0x67:
prefixes |= PREFIX_ADR; prefixes |= PREFIX_ADR;
goto next_byte; goto next_byte;
case 0x9b:
prefixes |= PREFIX_FWAIT;
goto next_byte;
} }
if (prefixes & PREFIX_DATA) if (prefixes & PREFIX_DATA)
@ -3256,6 +3252,8 @@ long disas_insn(DisasContext *s, uint8_t *pc_start)
/* misc */ /* misc */
case 0x90: /* nop */ case 0x90: /* nop */
break; break;
case 0x9b: /* fwait */
break;
case 0xcc: /* int3 */ case 0xcc: /* int3 */
gen_exception(s, EXCP03_INT3, s->pc - s->cs_base); gen_exception(s, EXCP03_INT3, s->pc - s->cs_base);
break; break;