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/op_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/op_helper.c')
| -rw-r--r-- | target-i386/op_helper.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/target-i386/op_helper.c b/target-i386/op_helper.c index 3bb5a919ce..c89e4a49db 100644 --- a/target-i386/op_helper.c +++ b/target-i386/op_helper.c @@ -3280,6 +3280,9 @@ void helper_wrmsr(void) case MSR_TSC_AUX: env->tsc_aux = val; break; + case MSR_IA32_MISC_ENABLE: + env->msr_ia32_misc_enable = val; + break; default: if ((uint32_t)ECX >= MSR_MC0_CTL && (uint32_t)ECX < MSR_MC0_CTL + (4 * env->mcg_cap & 0xff)) { @@ -3413,6 +3416,9 @@ void helper_rdmsr(void) case MSR_MCG_STATUS: val = env->mcg_status; break; + case MSR_IA32_MISC_ENABLE: + val = env->msr_ia32_misc_enable; + break; default: if ((uint32_t)ECX >= MSR_MC0_CTL && (uint32_t)ECX < MSR_MC0_CTL + (4 * env->mcg_cap & 0xff)) { |