diff options
author | Dong, Eric <eric.dong@intel.com> | 2019-08-16 11:57:30 +0800 |
---|---|---|
committer | Ray Ni <ray.ni@intel.com> | 2019-08-21 02:44:50 +0800 |
commit | 9c90d39b600bd33c7e0600865e6d860d46ce95f3 (patch) | |
tree | 0bfa402b2d8ca9ee91e7a90b4f01f1b66ff18012 /UefiCpuPkg | |
parent | 95cfe6c24714a11c894070a0bf2f2ba08f0ff68b (diff) | |
download | edk2-9c90d39b600bd33c7e0600865e6d860d46ce95f3.tar.gz edk2-9c90d39b600bd33c7e0600865e6d860d46ce95f3.tar.bz2 edk2-9c90d39b600bd33c7e0600865e6d860d46ce95f3.zip |
UefiCpuPkg/CpuCommonFeaturesLib: Use new macros.
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=2040
Below code is current implementation:
if (MsrRegister[ProcessorNumber].Bits.Lock == 0) {
CPU_REGISTER_TABLE_WRITE_FIELD (
ProcessorNumber,
Msr,
MSR_IA32_FEATURE_CONTROL,
MSR_IA32_FEATURE_CONTROL_REGISTER,
Bits.Lock,
1
);
}
1. In first normal boot, the Bits.Lock is 0, 1 will be added
into the register table and then will set to the MSR.
2. Trig warm reboot, MSR value preserves. After normal boot phase,
the Bits.Lock is 1, so it will not be added into the register
table during the warm reboot phase.
3. Trig S3 then resume, the Bits.Lock change to 0 and Bits.Lock is
not added in register table, so it's still 0 after resume. This
is not an expect behavior. The expect value is the value should
always 1 after booting or resuming from S3.
The root cause for this issue is
1. driver bases on current value to insert the "set value action" to
the register table.
2. Some MSRs may reserve their value during warm reboot.
The solution for this issue is using new added macros for the MSRs which
preserve value during warm reboot.
Signed-off-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Ray Ni <ray.ni@intel.com>
Acked-by: Laszlo Ersek <lersek@redhat.com>
Diffstat (limited to 'UefiCpuPkg')
4 files changed, 61 insertions, 132 deletions
diff --git a/UefiCpuPkg/Library/CpuCommonFeaturesLib/CpuCommonFeatures.h b/UefiCpuPkg/Library/CpuCommonFeaturesLib/CpuCommonFeatures.h index 25d0174727..b2390e6c39 100644 --- a/UefiCpuPkg/Library/CpuCommonFeaturesLib/CpuCommonFeatures.h +++ b/UefiCpuPkg/Library/CpuCommonFeaturesLib/CpuCommonFeatures.h @@ -859,21 +859,6 @@ X2ApicInitialize ( **/
VOID *
EFIAPI
-FeatureControlGetConfigData (
- IN UINTN NumberOfProcessors
- );
-
-/**
- Prepares for the data used by CPU feature detection and initialization.
-
- @param[in] NumberOfProcessors The number of CPUs in the platform.
-
- @return Pointer to a buffer of CPU related configuration data.
-
- @note This service could be called by BSP only.
-**/
-VOID *
-EFIAPI
PpinGetConfigData (
IN UINTN NumberOfProcessors
);
diff --git a/UefiCpuPkg/Library/CpuCommonFeaturesLib/CpuCommonFeaturesLib.c b/UefiCpuPkg/Library/CpuCommonFeaturesLib/CpuCommonFeaturesLib.c index fd43b8d662..238632f88a 100644 --- a/UefiCpuPkg/Library/CpuCommonFeaturesLib/CpuCommonFeaturesLib.c +++ b/UefiCpuPkg/Library/CpuCommonFeaturesLib/CpuCommonFeaturesLib.c @@ -2,7 +2,7 @@ This library registers CPU features defined in Intel(R) 64 and IA-32
Architectures Software Developer's Manual.
- Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>
+ Copyright (c) 2017 - 2019, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
@@ -91,7 +91,7 @@ CpuCommonFeaturesLibConstructor ( if (IsCpuFeatureSupported (CPU_FEATURE_LOCK_FEATURE_CONTROL_REGISTER)) {
Status = RegisterCpuFeature (
"Lock Feature Control Register",
- FeatureControlGetConfigData,
+ NULL,
LockFeatureControlRegisterSupport,
LockFeatureControlRegisterInitialize,
CPU_FEATURE_LOCK_FEATURE_CONTROL_REGISTER,
@@ -102,7 +102,7 @@ CpuCommonFeaturesLibConstructor ( if (IsCpuFeatureSupported (CPU_FEATURE_SMX)) {
Status = RegisterCpuFeature (
"SMX",
- FeatureControlGetConfigData,
+ NULL,
SmxSupport,
SmxInitialize,
CPU_FEATURE_SMX,
@@ -114,7 +114,7 @@ CpuCommonFeaturesLibConstructor ( if (IsCpuFeatureSupported (CPU_FEATURE_VMX)) {
Status = RegisterCpuFeature (
"VMX",
- FeatureControlGetConfigData,
+ NULL,
VmxSupport,
VmxInitialize,
CPU_FEATURE_VMX,
@@ -214,7 +214,7 @@ CpuCommonFeaturesLibConstructor ( if (IsCpuFeatureSupported (CPU_FEATURE_LMCE)) {
Status = RegisterCpuFeature (
"LMCE",
- FeatureControlGetConfigData,
+ NULL,
LmceSupport,
LmceInitialize,
CPU_FEATURE_LMCE,
diff --git a/UefiCpuPkg/Library/CpuCommonFeaturesLib/FeatureControl.c b/UefiCpuPkg/Library/CpuCommonFeaturesLib/FeatureControl.c index 3712ef1e5c..38d3f53f56 100644 --- a/UefiCpuPkg/Library/CpuCommonFeaturesLib/FeatureControl.c +++ b/UefiCpuPkg/Library/CpuCommonFeaturesLib/FeatureControl.c @@ -1,7 +1,7 @@ /** @file
Features in MSR_IA32_FEATURE_CONTROL register.
- Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>
+ Copyright (c) 2017 - 2019, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
@@ -9,28 +9,6 @@ #include "CpuCommonFeatures.h"
/**
- Prepares for the data used by CPU feature detection and initialization.
-
- @param[in] NumberOfProcessors The number of CPUs in the platform.
-
- @return Pointer to a buffer of CPU related configuration data.
-
- @note This service could be called by BSP only.
-**/
-VOID *
-EFIAPI
-FeatureControlGetConfigData (
- IN UINTN NumberOfProcessors
- )
-{
- VOID *ConfigData;
-
- ConfigData = AllocateZeroPool (sizeof (MSR_IA32_FEATURE_CONTROL_REGISTER) * NumberOfProcessors);
- ASSERT (ConfigData != NULL);
- return ConfigData;
-}
-
-/**
Detects if VMX feature supported on current processor.
@param[in] ProcessorNumber The index of the CPU executing this function.
@@ -54,11 +32,6 @@ VmxSupport ( IN VOID *ConfigData OPTIONAL
)
{
- MSR_IA32_FEATURE_CONTROL_REGISTER *MsrRegister;
-
- ASSERT (ConfigData != NULL);
- MsrRegister = (MSR_IA32_FEATURE_CONTROL_REGISTER *) ConfigData;
- MsrRegister[ProcessorNumber].Uint64 = AsmReadMsr64 (MSR_IA32_FEATURE_CONTROL);
return (CpuInfo->CpuIdVersionInfoEcx.Bits.VMX == 1);
}
@@ -88,8 +61,6 @@ VmxInitialize ( IN BOOLEAN State
)
{
- MSR_IA32_FEATURE_CONTROL_REGISTER *MsrRegister;
-
//
// The scope of EnableVmxOutsideSmx bit in the MSR_IA32_FEATURE_CONTROL is core for
// below processor type, only program MSR_IA32_FEATURE_CONTROL for thread 0 in each
@@ -103,18 +74,15 @@ VmxInitialize ( }
}
- 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.EnableVmxOutsideSmx,
- (State) ? 1 : 0
- );
- }
+ CPU_REGISTER_TABLE_TEST_THEN_WRITE_FIELD (
+ ProcessorNumber,
+ Msr,
+ MSR_IA32_FEATURE_CONTROL,
+ MSR_IA32_FEATURE_CONTROL_REGISTER,
+ Bits.EnableVmxOutsideSmx,
+ (State) ? 1 : 0
+ );
+
return RETURN_SUCCESS;
}
@@ -142,11 +110,6 @@ LockFeatureControlRegisterSupport ( IN VOID *ConfigData OPTIONAL
)
{
- MSR_IA32_FEATURE_CONTROL_REGISTER *MsrRegister;
-
- ASSERT (ConfigData != NULL);
- MsrRegister = (MSR_IA32_FEATURE_CONTROL_REGISTER *) ConfigData;
- MsrRegister[ProcessorNumber].Uint64 = AsmReadMsr64 (MSR_IA32_FEATURE_CONTROL);
return TRUE;
}
@@ -176,8 +139,6 @@ LockFeatureControlRegisterInitialize ( IN BOOLEAN State
)
{
- MSR_IA32_FEATURE_CONTROL_REGISTER *MsrRegister;
-
//
// The scope of Lock bit in the MSR_IA32_FEATURE_CONTROL is core for
// below processor type, only program MSR_IA32_FEATURE_CONTROL for thread 0 in each
@@ -191,18 +152,15 @@ LockFeatureControlRegisterInitialize ( }
}
- 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.Lock,
- 1
- );
- }
+ CPU_REGISTER_TABLE_TEST_THEN_WRITE_FIELD (
+ ProcessorNumber,
+ Msr,
+ MSR_IA32_FEATURE_CONTROL,
+ MSR_IA32_FEATURE_CONTROL_REGISTER,
+ Bits.Lock,
+ 1
+ );
+
return RETURN_SUCCESS;
}
@@ -230,11 +188,6 @@ SmxSupport ( IN VOID *ConfigData OPTIONAL
)
{
- MSR_IA32_FEATURE_CONTROL_REGISTER *MsrRegister;
-
- ASSERT (ConfigData != NULL);
- MsrRegister = (MSR_IA32_FEATURE_CONTROL_REGISTER *) ConfigData;
- MsrRegister[ProcessorNumber].Uint64 = AsmReadMsr64 (MSR_IA32_FEATURE_CONTROL);
return (CpuInfo->CpuIdVersionInfoEcx.Bits.SMX == 1);
}
@@ -265,7 +218,6 @@ SmxInitialize ( IN BOOLEAN State
)
{
- MSR_IA32_FEATURE_CONTROL_REGISTER *MsrRegister;
RETURN_STATUS Status;
//
@@ -288,35 +240,32 @@ SmxInitialize ( Status = RETURN_UNSUPPORTED;
}
- 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,
- (State) ? 1 : 0
- );
-
- CPU_REGISTER_TABLE_WRITE_FIELD (
- ProcessorNumber,
- Msr,
- MSR_IA32_FEATURE_CONTROL,
- MSR_IA32_FEATURE_CONTROL_REGISTER,
- Bits.EnableVmxInsideSmx,
- (State) ? 1 : 0
- );
- }
+ CPU_REGISTER_TABLE_TEST_THEN_WRITE_FIELD (
+ ProcessorNumber,
+ Msr,
+ MSR_IA32_FEATURE_CONTROL,
+ MSR_IA32_FEATURE_CONTROL_REGISTER,
+ Bits.SenterLocalFunctionEnables,
+ (State) ? 0x7F : 0
+ );
+
+ CPU_REGISTER_TABLE_TEST_THEN_WRITE_FIELD (
+ ProcessorNumber,
+ Msr,
+ MSR_IA32_FEATURE_CONTROL,
+ MSR_IA32_FEATURE_CONTROL_REGISTER,
+ Bits.SenterGlobalEnable,
+ (State) ? 1 : 0
+ );
+
+ CPU_REGISTER_TABLE_TEST_THEN_WRITE_FIELD (
+ ProcessorNumber,
+ Msr,
+ MSR_IA32_FEATURE_CONTROL,
+ MSR_IA32_FEATURE_CONTROL_REGISTER,
+ Bits.EnableVmxInsideSmx,
+ (State) ? 1 : 0
+ );
+
return Status;
}
diff --git a/UefiCpuPkg/Library/CpuCommonFeaturesLib/MachineCheck.c b/UefiCpuPkg/Library/CpuCommonFeaturesLib/MachineCheck.c index 2528e0044e..844052b9a5 100644 --- a/UefiCpuPkg/Library/CpuCommonFeaturesLib/MachineCheck.c +++ b/UefiCpuPkg/Library/CpuCommonFeaturesLib/MachineCheck.c @@ -1,7 +1,7 @@ /** @file
Machine Check features.
- Copyright (c) 2017 - 2018, Intel Corporation. All rights reserved.<BR>
+ Copyright (c) 2017 - 2019, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
@@ -319,8 +319,6 @@ LmceInitialize ( IN BOOLEAN State
)
{
- MSR_IA32_FEATURE_CONTROL_REGISTER *MsrRegister;
-
//
// The scope of LcmeOn bit in the MSR_IA32_MISC_ENABLE is core for below processor type, only program
// MSR_IA32_MISC_ENABLE for thread 0 in each core.
@@ -333,17 +331,14 @@ LmceInitialize ( }
}
- 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.LmceOn,
- (State) ? 1 : 0
- );
- }
+ CPU_REGISTER_TABLE_TEST_THEN_WRITE_FIELD (
+ ProcessorNumber,
+ Msr,
+ MSR_IA32_FEATURE_CONTROL,
+ MSR_IA32_FEATURE_CONTROL_REGISTER,
+ Bits.LmceOn,
+ (State) ? 1 : 0
+ );
+
return RETURN_SUCCESS;
}
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