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ArmPkg/ProcessorSubClassDxe: Get processor version from OemMiscLib

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In some scenarios, the processor version may be updated dynamically
from pre-UEFI firmware during booting. But the processor version is
fixed with PCD (PcdProcessorVersion), so it can not be updated it
dynamically. This patch will support setting that value both
statically and dynamically.

Signed-off-by: Nhi Pham <nhi@os.amperecomputing.com>
Reviewed-by: Rebecca Cran <rebecca@quicinc.com>
Reviewed-by: Sami Mujawar <sami.mujawar@arm.com>
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Acked-by: Leif Lindholm <quic_llindhol@quicinc.com>
This commit is contained in:
Minh Nguyen 2022-09-19 09:19:45 +07:00 committed by mergify[bot]
parent a8e8c43a0e
commit 8467a263f9
2 changed files with 9 additions and 1 deletions
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2
ArmPkg/Include/Library/OemMiscLib.h
View File

@ -1,5 +1,6 @@
/** @file
*
* Copyright (c) 2022, Ampere Computing LLC. All rights reserved.
* Copyright (c) 2021, NUVIA Inc. All rights reserved.
* Copyright (c) 2015, Hisilicon Limited. All rights reserved.
* Copyright (c) 2015, Linaro Limited. All rights reserved.
@ -58,6 +59,7 @@ typedef enum {
SkuNumberType03,
ProcessorPartNumType04,
ProcessorSerialNumType04,
ProcessorVersionType04,
SmbiosHiiStringFieldMax
} OEM_MISC_SMBIOS_HII_STRING_FIELD;

8
ArmPkg/Universal/Smbios/ProcessorSubClassDxe/ProcessorSubClass.c
View File

@ -1,6 +1,7 @@
/** @file
ProcessorSubClass.c
Copyright (c) 2022, Ampere Computing LLC. All rights reserved.
Copyright (c) 2021, NUVIA Inc. All rights reserved.<BR>
Copyright (c) 2015, Hisilicon Limited. All rights reserved.
Copyright (c) 2015, Linaro Limited. All rights reserved.
@ -512,7 +513,6 @@ AllocateType4AndSetProcessorInformationStrings (
PartNumber = STRING_TOKEN (STR_PROCESSOR_PART_NUMBER);
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 (PcdProcessorAssetTag, AssetTag);
if (StrLen ((CHAR16 *)FixedPcdGetPtr (PcdProcessorSerialNumber)) > 0) {
@ -527,6 +527,12 @@ AllocateType4AndSetProcessorInformationStrings (
OemUpdateSmbiosInfo (mHiiHandle, PartNumber, ProcessorPartNumType04);
}
if (StrLen ((CHAR16 *)FixedPcdGetPtr (PcdProcessorVersion)) > 0) {
HiiSetString (mHiiHandle, ProcessorVersion, (CHAR16 *)FixedPcdGetPtr (PcdProcessorVersion), NULL);
} else {
OemUpdateSmbiosInfo (mHiiHandle, ProcessorVersion, ProcessorVersionType04);
}
// Processor Designation
StringBufferSize = sizeof (CHAR16) * SMBIOS_STRING_MAX_LENGTH;
ProcessorStr = AllocateZeroPool (StringBufferSize);