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Use CPUID instead of control registers for virtualization test

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This commit is contained in:
Jeremy Soller
2020-08-06 11:36:58 -06:00
committed by Jeremy Soller
parent 26279e8f9a
commit 4f29b65fbe
1 changed files with 6 additions and 6 deletions
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12
MdeModulePkg/Application/UiApp/FrontPage.c
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@@ -725,9 +725,9 @@ STATIC VOID FirmwareConfigurationInformation(VOID) {
HiiSetString (gFrontPagePrivate.HiiHandle, Token, L"Intel Virtualization", NULL);
Token = STRING_TOKEN (STR_VIRTUALIZATION_STATUS);
IA32_CR4 Cr4;
Cr4.UintN = AsmReadCr4 ();
if (Cr4.Bits.VMXE) {
CPUID_VERSION_INFO_ECX VersionInfoEcx;
AsmCpuid (CPUID_VERSION_INFO, NULL, NULL, &VersionInfoEcx.Uint32, NULL);
if (VersionInfoEcx.Bits.VMX) {
HiiSetString (gFrontPagePrivate.HiiHandle, Token, L"VT-x: Active", NULL);
} else {
HiiSetString (gFrontPagePrivate.HiiHandle, Token, L"VT-x: Deactivated", NULL);
@@ -753,9 +753,9 @@ STATIC VOID FirmwareConfigurationInformation(VOID) {
HiiSetString (gFrontPagePrivate.HiiHandle, Token, L"AMD Virtualization", NULL);
Token = STRING_TOKEN (STR_VIRTUALIZATION_STATUS);
MSR_IA32_EFER_REGISTER MsrEfer;
MsrEfer.Uint64 = AsmReadMsr64 (MSR_CORE_IA32_EFER);
if (MsrEfer.Bits.SVME) {
CPUID_AMD_EXTENDED_CPU_SIG_ECX AmdExtendedCpuSigEcx;
AsmCpuid (CPUID_EXTENDED_CPU_SIG, NULL, NULL, &AmdExtendedCpuSigEcx.Uint32, NULL);
if (AmdExtendedCpuSigEcx.Bits.SVM) {
HiiSetString (gFrontPagePrivate.HiiHandle, Token, L"AMD-V: Active", NULL);
} else {
HiiSetString (gFrontPagePrivate.HiiHandle, Token, L"AMD-V: Deactivated", NULL);