diff options
| -rw-r--r-- | UefiCpuPkg/Library/CpuCommonFeaturesLib/FeatureControl.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/UefiCpuPkg/Library/CpuCommonFeaturesLib/FeatureControl.c b/UefiCpuPkg/Library/CpuCommonFeaturesLib/FeatureControl.c index 38d3f53f56..b4474d2fab 100644 --- a/UefiCpuPkg/Library/CpuCommonFeaturesLib/FeatureControl.c +++ b/UefiCpuPkg/Library/CpuCommonFeaturesLib/FeatureControl.c @@ -240,6 +240,15 @@ SmxInitialize ( Status = RETURN_UNSUPPORTED;
}
+ CPU_REGISTER_TABLE_WRITE_FIELD (
+ ProcessorNumber,
+ ControlRegister,
+ 4,
+ IA32_CR4,
+ Bits.SMXE,
+ (State) ? 1 : 0
+ )
+
CPU_REGISTER_TABLE_TEST_THEN_WRITE_FIELD (
ProcessorNumber,
Msr,
|