提交 51e49430 编写于 作者: S Sheng Yang 提交者: Marcelo Tosatti

Enable XSAVE related CPUID

We can support it in KVM now. The 0xd leaf is queried from KVM.
Signed-off-by: NSheng Yang <sheng@linux.intel.com>
Signed-off-by: NMarcelo Tosatti <mtosatti@redhat.com>
上级 c958a8bd
......@@ -1087,6 +1087,27 @@ 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;
......
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