diff options
Diffstat (limited to 'target/i386/cpu.c')
| -rw-r--r-- | target/i386/cpu.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/target/i386/cpu.c b/target/i386/cpu.c index 536d7d1520..c1ab86d63e 100644 --- a/target/i386/cpu.c +++ b/target/i386/cpu.c @@ -4730,6 +4730,9 @@ static void x86_cpu_reset(CPUState *s) env->pat = 0x0007040600070406ULL; env->msr_ia32_misc_enable = MSR_IA32_MISC_ENABLE_DEFAULT; + if (env->features[FEAT_1_ECX] & CPUID_EXT_MONITOR) { + env->msr_ia32_misc_enable |= MSR_IA32_MISC_ENABLE_MWAIT; + } memset(env->dr, 0, sizeof(env->dr)); env->dr[6] = DR6_FIXED_1; |