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ArmPkg/ProcessorSubClassDxe: Get serial and part number from OemMiscLib 

Currently, the serial and part number of a processor are filled with
fixed PCDs. However, they may be updated dynamically according to the
information being passed from a the pre-UEFI firmware during booting.
So, this patch is to support updating these string fields from
OemMiscLib if the PCDs are empty.

Signed-off-by: Nhi Pham <nhi@os.amperecomputing.com>
Reviewed-by: Sami Mujawar <sami.mujawar@arm.com>
This commit is contained in:
Nhi Pham 2021-12-16 10:54:55 +07:00 committed by mergify[bot]
parent 45e3842970
commit b451c69088
2 changed files with 14 additions and 2 deletions
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2
ArmPkg/Include/Library/OemMiscLib.h
View File

@ -56,6 +56,8 @@ typedef enum {
ChassisTypeType03,
ManufacturerType03,
SkuNumberType03,
ProcessorPartNumType04,
ProcessorSerialNumType04,
SmbiosHiiStringFieldMax
} OEM_MISC_SMBIOS_HII_STRING_FIELD;

14
ArmPkg/Universal/Smbios/ProcessorSubClassDxe/ProcessorSubClass.c
View File

@ -513,9 +513,19 @@ AllocateType4AndSetProcessorInformationStrings (
SET_HII_STRING_IF_PCD_NOT_EMPTY (PcdProcessorManufacturer, ProcessorManu);
SET_HII_STRING_IF_PCD_NOT_EMPTY (PcdProcessorVersion, ProcessorVersion);
SET_HII_STRING_IF_PCD_NOT_EMPTY (PcdProcessorSerialNumber, SerialNumber);
SET_HII_STRING_IF_PCD_NOT_EMPTY (PcdProcessorAssetTag, AssetTag);
SET_HII_STRING_IF_PCD_NOT_EMPTY (PcdProcessorPartNumber, PartNumber);
if (StrLen ((CHAR16 *)FixedPcdGetPtr (PcdProcessorSerialNumber)) > 0) {
HiiSetString (mHiiHandle, SerialNumber, (CHAR16 *)FixedPcdGetPtr (PcdProcessorSerialNumber), NULL);
} else {
OemUpdateSmbiosInfo (mHiiHandle, SerialNumber, ProcessorSerialNumType04);
}
if (StrLen ((CHAR16 *)FixedPcdGetPtr (PcdProcessorPartNumber)) > 0) {
HiiSetString (mHiiHandle, PartNumber, (CHAR16 *)FixedPcdGetPtr (PcdProcessorPartNumber), NULL);
} else {
OemUpdateSmbiosInfo (mHiiHandle, PartNumber, ProcessorPartNumType04);
}
// Processor Designation
StringBufferSize = sizeof (CHAR16) * SMBIOS_STRING_MAX_LENGTH;