diff options
| author | Sheng Yang <sheng@linux.intel.com> | 2010-06-10 11:31:02 +0800 |
|---|---|---|
| committer | Marcelo Tosatti <mtosatti@redhat.com> | 2010-06-16 13:38:51 -0300 |
| commit | e0a044f1dcbc99f04f623841915e545005736b0c (patch) | |
| tree | 40709e2b54298c61bae3c487b1d7174f2264e0da | |
| parent | 139610b36bc54bf98a193831256437f0cc9a522b (diff) | |
qemu: Enable XSAVE related CPUID
We can support it in KVM now. The 0xd leaf is queried from KVM.
Signed-off-by: Sheng Yang <sheng@linux.intel.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
| -rw-r--r-- | target-i386/cpuid.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/target-i386/cpuid.c b/target-i386/cpuid.c index fb78061ce..26e4054ee 100644 --- a/target-i386/cpuid.c +++ b/target-i386/cpuid.c @@ -1081,6 +1081,27 @@ void cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count, *ecx = 0; *edx = 0; break; + case 0xD: + /* Processor Extended State */ + if (!(env->cpuid_ext_features & CPUID_EXT_XSAVE)) { + *eax = 0; + *ebx = 0; + *ecx = 0; + *edx = 0; + break; + } + if (kvm_enabled()) { + *eax = kvm_arch_get_supported_cpuid(env, 0xd, count, R_EAX); + *ebx = kvm_arch_get_supported_cpuid(env, 0xd, count, R_EBX); + *ecx = kvm_arch_get_supported_cpuid(env, 0xd, count, R_ECX); + *edx = kvm_arch_get_supported_cpuid(env, 0xd, count, R_EDX); + } else { + *eax = 0; + *ebx = 0; + *ecx = 0; + *edx = 0; + } + break; case 0x80000000: *eax = env->cpuid_xlevel; *ebx = env->cpuid_vendor1; |