diff options
Diffstat (limited to 'OvmfPkg/PlatformPei/FeatureControl.c')
| -rw-r--r-- | OvmfPkg/PlatformPei/FeatureControl.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/OvmfPkg/PlatformPei/FeatureControl.c b/OvmfPkg/PlatformPei/FeatureControl.c index 9af58c2..5864ee0 100644 --- a/OvmfPkg/PlatformPei/FeatureControl.c +++ b/OvmfPkg/PlatformPei/FeatureControl.c @@ -12,6 +12,7 @@ #include <Library/QemuFwCfgLib.h>
#include <Ppi/MpServices.h>
#include <Register/ArchitecturalMsr.h>
+#include <IndustryStandard/Tdx.h>
#include "Platform.h"
@@ -37,7 +38,11 @@ WriteFeatureControl ( IN OUT VOID *WorkSpace
)
{
- AsmWriteMsr64 (MSR_IA32_FEATURE_CONTROL, mFeatureControlValue);
+ if (TdIsEnabled ()) {
+ TdVmCall (TDVMCALL_WRMSR, (UINT64)MSR_IA32_FEATURE_CONTROL, mFeatureControlValue, 0, 0, 0);
+ } else {
+ AsmWriteMsr64 (MSR_IA32_FEATURE_CONTROL, mFeatureControlValue);
+ }
}
/**
|