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/** @file
Arm Arch utility functions.
Copyright (c) 2026, Arm Limited. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include "ArchUtility.h"
#include <Library/ArmSmcccSocIdLib.h>
/**
Return the SoC ID formatted for the SMBIOS Type 4 Processor ID field.
@param[out] ProcessorId Pointer to the SMBIOS Processor ID.
@retval EFI_SUCCESS The Processor ID was returned successfully.
@retval EFI_INVALID_PARAMETER ProcessorId is NULL.
@retval EFI_UNSUPPORTED Unsupported.
**/
EFI_STATUS
GetSocId (
OUT UINT64 *ProcessorId
)
{
EFI_STATUS Status;
UINT32 Jep106Code;
UINT32 SocRevision;
if (ProcessorId == NULL) {
return EFI_INVALID_PARAMETER;
}
Status = ArmSmcccGetSocId (&Jep106Code, &SocRevision);
if (!EFI_ERROR (Status)) {
*ProcessorId = ((UINT64)SocRevision << 32) | Jep106Code;
}
return Status;
}
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