Current code allocate buffer for the pointer which later get value from PCD database. but current code error use "=" for this case. Use AllocateCopyPool instead to fix it.
V2 enhanced to directly use AllocateCopyPool to get the PCD value. V3 enhanced to avoid using local temp variable. Cc: Ruiyu Ni <[email protected]> Cc: Shao Ming <[email protected]> Cc: Kinney Michael D <[email protected]> Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Eric Dong <[email protected]> --- .../RegisterCpuFeaturesLib/CpuFeaturesInitialize.c | 55 +++++----------------- 1 file changed, 11 insertions(+), 44 deletions(-) diff --git a/UefiCpuPkg/Library/RegisterCpuFeaturesLib/CpuFeaturesInitialize.c b/UefiCpuPkg/Library/RegisterCpuFeaturesLib/CpuFeaturesInitialize.c index 474aea3..a7e1852 100644 --- a/UefiCpuPkg/Library/RegisterCpuFeaturesLib/CpuFeaturesInitialize.c +++ b/UefiCpuPkg/Library/RegisterCpuFeaturesLib/CpuFeaturesInitialize.c @@ -51,48 +51,6 @@ SetSettingPcd ( } /** - Worker function to get PcdCpuFeaturesSupport. - - @return The pointer to CPU feature bits mask buffer. -**/ -UINT8 * -GetSupportPcds ( - VOID - ) -{ - UINTN BitMaskSize; - UINT8 *SupportBitMask; - - BitMaskSize = PcdGetSize (PcdCpuFeaturesSupport); - SupportBitMask = AllocateZeroPool (BitMaskSize); - ASSERT (SupportBitMask != NULL); - SupportBitMask = (UINT8 *) PcdGetPtr (PcdCpuFeaturesSupport); - - return SupportBitMask; -} - -/** - Worker function to get PcdCpuFeaturesUserConfiguration. - - @return The pointer to CPU feature bits mask buffer. -**/ -UINT8 * -GetConfigurationPcds ( - VOID - ) -{ - UINTN BitMaskSize; - UINT8 *SupportBitMask; - - BitMaskSize = PcdGetSize (PcdCpuFeaturesUserConfiguration); - SupportBitMask = AllocateZeroPool (BitMaskSize); - ASSERT (SupportBitMask != NULL); - SupportBitMask = (UINT8 *) PcdGetPtr (PcdCpuFeaturesUserConfiguration); - - return SupportBitMask; -} - -/** Collects CPU type and feature information. @param[in, out] CpuInfo The pointer to CPU feature information @@ -180,8 +138,17 @@ CpuInitDataInitialize ( // // Get support and configuration PCDs // - CpuFeaturesData->SupportPcds = GetSupportPcds (); - CpuFeaturesData->ConfigurationPcds = GetConfigurationPcds (); + CpuFeaturesData->SupportPcds = AllocateCopyPool ( + PcdGetSize (PcdCpuFeaturesSupport), + PcdGetPtr (PcdCpuFeaturesSupport) + ); + ASSERT (CpuFeaturesData->SupportPcds != NULL); + + CpuFeaturesData->ConfigurationPcds = AllocateCopyPool ( + PcdGetSize (PcdCpuFeaturesUserConfiguration), + PcdGetPtr (PcdCpuFeaturesUserConfiguration) + ); + ASSERT (CpuFeaturesData->ConfigurationPcds != NULL); } /** -- 2.7.0.windows.1 _______________________________________________ edk2-devel mailing list [email protected] https://lists.01.org/mailman/listinfo/edk2-devel

