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UefiCpuPkg CpuCommonFeaturesLib: Fix smx/vmx enable logic error.

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Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Eric Dong <eric.dong@intel.com>
Reviewed: Jeff Fan <jeff.fan@intel.com>
This commit is contained in:
Eric Dong
2017-07-11 10:07:36 +08:00
parent 05973f9e8a
commit b1fe2029fa
3 changed files with 55 additions and 117 deletions
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106
UefiCpuPkg/Library/CpuCommonFeaturesLib/FeatureControl.c
View File

@@ -69,7 +69,7 @@ VmxSupport (
}
/**
Initializes VMX inside SMX feature to specific state.
Initializes VMX feature to specific state.
@param[in] ProcessorNumber The index of the CPU executing this function.
@param[in] CpuInfo A pointer to the REGISTER_CPU_FEATURE_INFORMATION
@@ -78,16 +78,16 @@ VmxSupport (
by CPU_FEATURE_GET_CONFIG_DATA. NULL if
CPU_FEATURE_GET_CONFIG_DATA was not provided in
RegisterCpuFeature().
@param[in] State If TRUE, then the VMX inside SMX feature must be enabled.
If FALSE, then the VMX inside SMX feature must be disabled.
@param[in] State If TRUE, then the VMX feature must be enabled.
If FALSE, then the VMX feature must be disabled.
@retval RETURN_SUCCESS VMX inside SMX feature is initialized.
@retval RETURN_SUCCESS VMX feature is initialized.
@note This service could be called by BSP only.
**/
RETURN_STATUS
EFIAPI
VmxInsideSmxInitialize (
VmxInitialize (
IN UINTN ProcessorNumber,
IN REGISTER_CPU_FEATURE_INFORMATION *CpuInfo,
IN VOID *ConfigData, OPTIONAL
@@ -104,59 +104,7 @@ VmxInsideSmxInitialize (
Msr,
MSR_IA32_FEATURE_CONTROL,
MSR_IA32_FEATURE_CONTROL_REGISTER,
Bits.EnableVmxInsideSmx,
(State) ? 1 : 0
);
}
return RETURN_SUCCESS;
}
/**
Initializes SENTER feature to specific state.
@param[in] ProcessorNumber The index of the CPU executing this function.
@param[in] CpuInfo A pointer to the REGISTER_CPU_FEATURE_INFORMATION
structure for the CPU executing this function.
@param[in] ConfigData A pointer to the configuration buffer returned
by CPU_FEATURE_GET_CONFIG_DATA. NULL if
CPU_FEATURE_GET_CONFIG_DATA was not provided in
RegisterCpuFeature().
@param[in] State If TRUE, then the SENTER feature must be enabled.
If FALSE, then the SENTER feature must be disabled.
@retval RETURN_SUCCESS SENTER feature is initialized.
@note This service could be called by BSP only.
**/
RETURN_STATUS
EFIAPI
SenterInitialize (
IN UINTN ProcessorNumber,
IN REGISTER_CPU_FEATURE_INFORMATION *CpuInfo,
IN VOID *ConfigData, OPTIONAL
IN BOOLEAN State
)
{
MSR_IA32_FEATURE_CONTROL_REGISTER *MsrRegister;
ASSERT (ConfigData != NULL);
MsrRegister = (MSR_IA32_FEATURE_CONTROL_REGISTER *) ConfigData;
if (MsrRegister[ProcessorNumber].Bits.Lock == 0) {
CPU_REGISTER_TABLE_WRITE_FIELD (
ProcessorNumber,
Msr,
MSR_IA32_FEATURE_CONTROL,
MSR_IA32_FEATURE_CONTROL_REGISTER,
Bits.SenterLocalFunctionEnables,
(State) ? 0x7F : 0
);
CPU_REGISTER_TABLE_WRITE_FIELD (
ProcessorNumber,
Msr,
MSR_IA32_FEATURE_CONTROL,
MSR_IA32_FEATURE_CONTROL_REGISTER,
Bits.SenterGlobalEnable,
Bits.EnableVmxOutsideSmx,
(State) ? 1 : 0
);
}
@@ -271,7 +219,7 @@ SmxSupport (
}
/**
Initializes VMX outside SMX feature to specific state.
Initializes SMX feature to specific state.
@param[in] ProcessorNumber The index of the CPU executing this function.
@param[in] CpuInfo A pointer to the REGISTER_CPU_FEATURE_INFORMATION
@@ -280,16 +228,17 @@ SmxSupport (
by CPU_FEATURE_GET_CONFIG_DATA. NULL if
CPU_FEATURE_GET_CONFIG_DATA was not provided in
RegisterCpuFeature().
@param[in] State If TRUE, then the VMX outside SMX feature must be enabled.
If FALSE, then the VMX outside SMX feature must be disabled.
@param[in] State If TRUE, then SMX feature must be enabled.
If FALSE, then SMX feature must be disabled.
@retval RETURN_SUCCESS VMX outside SMX feature is initialized.
@retval RETURN_SUCCESS SMX feature is initialized.
@retval RETURN_UNSUPPORTED VMX not initialized.
@note This service could be called by BSP only.
**/
RETURN_STATUS
EFIAPI
VmxOutsideSmxInitialize (
SmxInitialize (
IN UINTN ProcessorNumber,
IN REGISTER_CPU_FEATURE_INFORMATION *CpuInfo,
IN VOID *ConfigData, OPTIONAL
@@ -297,6 +246,15 @@ VmxOutsideSmxInitialize (
)
{
MSR_IA32_FEATURE_CONTROL_REGISTER *MsrRegister;
RETURN_STATUS Status;
Status = RETURN_SUCCESS;
if (State && (!IsCpuFeatureInSetting (CPU_FEATURE_VMX))) {
DEBUG ((DEBUG_WARN, "Warning :: Can't enable SMX feature when VMX feature not enabled, disable it.\n"));
State = FALSE;
Status = RETURN_UNSUPPORTED;
}
ASSERT (ConfigData != NULL);
MsrRegister = (MSR_IA32_FEATURE_CONTROL_REGISTER *) ConfigData;
@@ -306,9 +264,27 @@ VmxOutsideSmxInitialize (
Msr,
MSR_IA32_FEATURE_CONTROL,
MSR_IA32_FEATURE_CONTROL_REGISTER,
Bits.EnableVmxOutsideSmx,
Bits.SenterLocalFunctionEnables,
(State) ? 0x7F : 0
);
CPU_REGISTER_TABLE_WRITE_FIELD (
ProcessorNumber,
Msr,
MSR_IA32_FEATURE_CONTROL,
MSR_IA32_FEATURE_CONTROL_REGISTER,
Bits.SenterGlobalEnable,
(State) ? 1 : 0
);
CPU_REGISTER_TABLE_WRITE_FIELD (
ProcessorNumber,
Msr,
MSR_IA32_FEATURE_CONTROL,
MSR_IA32_FEATURE_CONTROL_REGISTER,
Bits.EnableVmxInsideSmx,
(State) ? 1 : 0
);
}
return RETURN_SUCCESS;
return Status;
}