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UefiCpuPkg/RegisterCpuFeaturesLib: Optimize PCD 

PcdCpuFeaturesUserConfiguration.

Merge PcdCpuFeaturesUserConfiguration into PcdCpuFeaturesSetting.
Use PcdCpuFeaturesSetting as input for the user input feature setting
Use PcdCpuFeaturesSetting as output for the final CPU feature setting

BZ:https://bugzilla.tianocore.org/show_bug.cgi?id=1375

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Ray Ni <ray.ni@intel.com>
This commit is contained in:
Eric Dong 2019-02-12 15:22:48 +08:00
parent 79be3d2751
commit 6214ffb410
5 changed files with 27 additions and 72 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

75
UefiCpuPkg/Library/RegisterCpuFeaturesLib/CpuFeaturesInitialize.c
View File

@ -21,16 +21,21 @@ CHAR16 *mRegisterTypeStr[] = {L"MSR", L"CR", L"MMIO", L"CACHE", L"SEMAP", L"INVA
Worker function to save PcdCpuFeaturesCapability.
@param[in] SupportedFeatureMask The pointer to CPU feature bits mask buffer
@param[in] FeatureMaskSize CPU feature bits mask buffer size.
**/
VOID
SetCapabilityPcd (
IN UINT8 *SupportedFeatureMask
IN UINT8 *SupportedFeatureMask,
IN UINT32 FeatureMaskSize
)
{
EFI_STATUS Status;
UINTN BitMaskSize;
BitMaskSize = PcdGetSize (PcdCpuFeaturesCapability);
ASSERT (FeatureMaskSize == BitMaskSize);
Status = PcdSetPtrS (PcdCpuFeaturesCapability, &BitMaskSize, SupportedFeatureMask);
ASSERT_EFI_ERROR (Status);
}
@ -53,48 +58,6 @@ SetSettingPcd (
ASSERT_EFI_ERROR (Status);
}
/**
Worker function to get PcdCpuFeaturesSupport.
@return The pointer to CPU feature bits mask buffer.
**/
UINT8 *
GetSupportPcd (
VOID
)
{
UINT8 *SupportBitMask;
SupportBitMask = AllocateCopyPool (
PcdGetSize (PcdCpuFeaturesSupport),
PcdGetPtr (PcdCpuFeaturesSupport)
);
ASSERT (SupportBitMask != NULL);
return SupportBitMask;
}
/**
Worker function to get PcdCpuFeaturesUserConfiguration.
@return The pointer to CPU feature bits mask buffer.
**/
UINT8 *
GetConfigurationPcd (
VOID
)
{
UINT8 *SupportBitMask;
SupportBitMask = AllocateCopyPool (
PcdGetSize (PcdCpuFeaturesUserConfiguration),
PcdGetPtr (PcdCpuFeaturesUserConfiguration)
);
ASSERT (SupportBitMask != NULL);
return SupportBitMask;
}
/**
Collects CPU type and feature information.
@ -287,7 +250,6 @@ CpuInitDataInitialize (
// Get support and configuration PCDs
//
CpuFeaturesData->SupportPcd = GetSupportPcd ();
CpuFeaturesData->ConfigurationPcd = GetConfigurationPcd ();
}
/**
@ -324,13 +286,13 @@ SupportedMaskOr (
VOID
SupportedMaskAnd (
IN UINT8 *SupportedFeatureMask,
IN UINT8 *AndFeatureBitMask
IN CONST UINT8 *AndFeatureBitMask
)
{
UINTN Index;
UINTN BitMaskSize;
UINT8 *Data1;
UINT8 *Data2;
CONST UINT8 *Data2;
BitMaskSize = PcdGetSize (PcdCpuFeaturesSupport);
Data1 = SupportedFeatureMask;
@ -610,16 +572,9 @@ AnalysisProcessorFeatures (
//
// Calculate the last setting
//
CpuFeaturesData->SettingPcd = AllocateCopyPool (CpuFeaturesData->BitMaskSize, CpuFeaturesData->CapabilityPcd);
ASSERT (CpuFeaturesData->SettingPcd != NULL);
SupportedMaskAnd (CpuFeaturesData->SettingPcd, CpuFeaturesData->ConfigurationPcd);
//
// Save PCDs and display CPU PCDs
//
SetCapabilityPcd (CpuFeaturesData->CapabilityPcd);
SetSettingPcd (CpuFeaturesData->SettingPcd);
SupportedMaskAnd (CpuFeaturesData->SettingPcd, PcdGetPtr (PcdCpuFeaturesSetting));
//
// Dump the last CPU feature list
@ -643,14 +598,20 @@ AnalysisProcessorFeatures (
}
DEBUG ((DEBUG_INFO, "PcdCpuFeaturesSupport:\n"));
DumpCpuFeatureMask (CpuFeaturesData->SupportPcd);
DEBUG ((DEBUG_INFO, "PcdCpuFeaturesUserConfiguration:\n"));
DumpCpuFeatureMask (CpuFeaturesData->ConfigurationPcd);
DEBUG ((DEBUG_INFO, "PcdCpuFeaturesCapability:\n"));
DumpCpuFeatureMask (CpuFeaturesData->CapabilityPcd);
DEBUG ((DEBUG_INFO, "PcdCpuFeaturesSetting:\n"));
DEBUG ((DEBUG_INFO, "Origin PcdCpuFeaturesSetting:\n"));
DumpCpuFeatureMask (PcdGetPtr (PcdCpuFeaturesSetting));
DEBUG ((DEBUG_INFO, "Final PcdCpuFeaturesSetting:\n"));
DumpCpuFeatureMask (CpuFeaturesData->SettingPcd);
);
//
// Save PCDs and display CPU PCDs
//
SetCapabilityPcd (CpuFeaturesData->CapabilityPcd, CpuFeaturesData->BitMaskSize);
SetSettingPcd (CpuFeaturesData->SettingPcd);
for (ProcessorNumber = 0; ProcessorNumber < NumberOfCpus; ProcessorNumber++) {
CpuInitOrder = &CpuFeaturesData->InitOrder[ProcessorNumber];
Entry = GetFirstNode (&CpuFeaturesData->FeatureList);

5
UefiCpuPkg/Library/RegisterCpuFeaturesLib/DxeRegisterCpuFeaturesLib.inf
View File

@ -1,7 +1,7 @@
## @file
# Register CPU Features Library DXE instance.
#
# Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>
# Copyright (c) 2017 - 2019, Intel Corporation. All rights reserved.<BR>
# This program and the accompanying materials
# are licensed and made available under the terms and conditions of the BSD License
# which accompanies this distribution. The full text of the license may be found at
@ -56,9 +56,8 @@
[Pcd]
gUefiCpuPkgTokenSpaceGuid.PcdCpuS3DataAddress ## CONSUMES
gUefiCpuPkgTokenSpaceGuid.PcdCpuFeaturesSupport ## CONSUMES
gUefiCpuPkgTokenSpaceGuid.PcdCpuFeaturesUserConfiguration ## CONSUMES
gUefiCpuPkgTokenSpaceGuid.PcdCpuFeaturesCapability ## PRODUCES
gUefiCpuPkgTokenSpaceGuid.PcdCpuFeaturesSetting ## PRODUCES
gUefiCpuPkgTokenSpaceGuid.PcdCpuFeaturesSetting ## PRODUCES ## CONSUMES
[Depex]
gEfiMpServiceProtocolGuid AND gEdkiiCpuFeaturesSetDoneGuid

5
UefiCpuPkg/Library/RegisterCpuFeaturesLib/PeiRegisterCpuFeaturesLib.inf
View File

@ -1,7 +1,7 @@
## @file
# Register CPU Features Library PEI instance.
#
# Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>
# Copyright (c) 2017 - 2019, Intel Corporation. All rights reserved.<BR>
# This program and the accompanying materials
# are licensed and made available under the terms and conditions of the BSD License
# which accompanies this distribution. The full text of the license may be found at
@ -56,9 +56,8 @@
[Pcd]
gUefiCpuPkgTokenSpaceGuid.PcdCpuS3DataAddress ## CONSUMES
gUefiCpuPkgTokenSpaceGuid.PcdCpuFeaturesSupport ## CONSUMES
gUefiCpuPkgTokenSpaceGuid.PcdCpuFeaturesUserConfiguration ## CONSUMES
gUefiCpuPkgTokenSpaceGuid.PcdCpuFeaturesCapability ## PRODUCES
gUefiCpuPkgTokenSpaceGuid.PcdCpuFeaturesSetting ## PRODUCES
gUefiCpuPkgTokenSpaceGuid.PcdCpuFeaturesSetting ## CONSUMES ## PRODUCES
[Depex]
gEfiPeiMpServicesPpiGuid AND gEdkiiCpuFeaturesSetDoneGuid

3
UefiCpuPkg/Library/RegisterCpuFeaturesLib/RegisterCpuFeatures.h
View File

@ -1,7 +1,7 @@
/** @file
CPU Register Table Library definitions.
Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2017 - 2019, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
@ -83,7 +83,6 @@ typedef struct {
CPU_FEATURES_INIT_ORDER *InitOrder;
UINT8 *SupportPcd;
UINT8 *CapabilityPcd;
UINT8 *ConfigurationPcd;
UINT8 *SettingPcd;
UINT32 NumberOfCpus;

9
UefiCpuPkg/UefiCpuPkg.dec
View File

@ -262,10 +262,6 @@
# @Prompt SMM CPU Synchronization Method.
gUefiCpuPkgTokenSpaceGuid.PcdCpuSmmSyncMode|0x00|UINT8|0x60000014
## Specifies user's desired settings for enabling/disabling processor features.
# @Prompt User settings for enabling/disabling processor features.
gUefiCpuPkgTokenSpaceGuid.PcdCpuFeaturesUserConfiguration|{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}|VOID*|0x00000017
## Specifies the On-demand clock modulation duty cycle when ACPI feature is enabled.
# @Prompt The encoded values for target duty cycle modulation.
# @ValidRange 0x80000001 | 0 - 15
@ -293,8 +289,9 @@
# @ValidList 0x80000001 | 0
gUefiCpuPkgTokenSpaceGuid.PcdCpuFeaturesCapability|{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}|VOID*|0x00000018
## Specifies actual settings for processor features, each bit corresponding to a specific feature.
# @Prompt Actual processor feature settings.
## As input, specifies user's desired settings for enabling/disabling processor features.
## As output, specifies actual settings for processor features, each bit corresponding to a specific feature.
# @Prompt As input, specifies user's desired processor feature settings. As output, specifies actual processor feature settings.
# @ValidList 0x80000001 | 0
gUefiCpuPkgTokenSpaceGuid.PcdCpuFeaturesSetting|{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}|VOID*|0x00000019