diff options
| author | Avi Kivity <avi@redhat.com> | 2011-10-04 16:26:35 +0200 |
|---|---|---|
| committer | Marcelo Tosatti <mtosatti@redhat.com> | 2011-10-24 21:33:32 -0200 |
| commit | 21e87c4625f290824f4f05d098e576cda40421ce (patch) | |
| tree | 0a224637f8ff1537dfb2886ba37cece3a1656129 /target-i386/helper.c | |
| parent | aa82ba549a3a88f7215e65956f3cb4bfd34835cc (diff) | |
i386: wire up MSR_IA32_MISC_ENABLE
It's needed for its default value - bit 0 specifies that "rep movs" is
good enough for memcpy, and Linux may use a slower memcpu if it is not set,
depending on cpu family/model.
Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Diffstat (limited to 'target-i386/helper.c')
| -rw-r--r-- | target-i386/helper.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/target-i386/helper.c b/target-i386/helper.c index 5df40d4661..6c6a1675df 100644 --- a/target-i386/helper.c +++ b/target-i386/helper.c @@ -98,6 +98,7 @@ void cpu_reset(CPUX86State *env) env->mxcsr = 0x1f80; env->pat = 0x0007040600070406ULL; + env->msr_ia32_misc_enable = MSR_IA32_MISC_ENABLE_DEFAULT; memset(env->dr, 0, sizeof(env->dr)); env->dr[6] = DR6_FIXED_1; |