diff options
| author | bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162> | 2004-01-19 20:31:37 +0000 |
|---|---|---|
| committer | bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162> | 2004-01-19 20:31:37 +0000 |
| commit | ab1f142ba0b667679ea2ed55598f22551c19dac4 (patch) | |
| tree | 3c63b94c6029d449a3da15a0db428fcd27b372a3 /target-i386 | |
| parent | 4120b61d000117bf016dead1443682c74838227f (diff) | |
L4 fix for rep nop (should handle all cases)
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@571 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'target-i386')
| -rw-r--r-- | target-i386/translate.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/target-i386/translate.c b/target-i386/translate.c index 2407735281..cec9a425ac 100644 --- a/target-i386/translate.c +++ b/target-i386/translate.c @@ -3732,6 +3732,9 @@ static uint8_t *disas_insn(DisasContext *s, uint8_t *pc_start) /************************/ /* misc */ case 0x90: /* nop */ + /* XXX: correct lock test for all insn */ + if (prefixes & PREFIX_LOCK) + goto illegal_op; break; case 0x9b: /* fwait */ break; @@ -4137,6 +4140,8 @@ static uint8_t *disas_insn(DisasContext *s, uint8_t *pc_start) gen_op_unlock(); return s->pc; illegal_op: + if (s->prefix & PREFIX_LOCK) + gen_op_unlock(); /* XXX: ensure that no lock was generated */ gen_exception(s, EXCP06_ILLOP, pc_start - s->cs_base); return s->pc; |