diff options
Diffstat (limited to 'target/i386/translate.c')
| -rw-r--r-- | target/i386/translate.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/target/i386/translate.c b/target/i386/translate.c index 49cd298374..77d6b73e42 100644 --- a/target/i386/translate.c +++ b/target/i386/translate.c @@ -1398,6 +1398,11 @@ static void gen_op(DisasContext *s1, int op, TCGMemOp ot, int d) static void gen_inc(DisasContext *s1, TCGMemOp ot, int d, int c) { if (s1->prefix & PREFIX_LOCK) { + if (d != OR_TMP0) { + /* Lock prefix when destination is not memory */ + gen_illegal_opcode(s1); + return; + } tcg_gen_movi_tl(s1->T0, c > 0 ? 1 : -1); tcg_gen_atomic_add_fetch_tl(s1->T0, s1->A0, s1->T0, s1->mem_index, ot | MO_LE); @@ -8585,11 +8590,11 @@ static const TranslatorOps i386_tr_ops = { }; /* generate intermediate code for basic block 'tb'. */ -void gen_intermediate_code(CPUState *cpu, TranslationBlock *tb) +void gen_intermediate_code(CPUState *cpu, TranslationBlock *tb, int max_insns) { DisasContext dc; - translator_loop(&i386_tr_ops, &dc.base, cpu, tb); + translator_loop(&i386_tr_ops, &dc.base, cpu, tb, max_insns); } void restore_state_to_opc(CPUX86State *env, TranslationBlock *tb, |