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/** @file
Boot service common BIOS ID library implementation.
These functions in this file can be called during DXE and cannot be called during runtime
or in SMM which should use a RT or SMM library.
Copyright (c) 2023, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include <PiDxe.h>
#include <Library/BaseMemoryLib.h>
#include <Library/BiosIdLib.h>
#include <Guid/BiosId.h>
/**
This function returns the BIOS Version & Release Date and Time by getting and converting BIOS ID.
@param[out] BiosVersion The Bios Version out of the conversion.
@param[out] BiosReleaseDate The Bios Release Date out of the conversion.
@param[out] BiosReleaseTime The Bios Release Time out of the conversion.
@retval EFI_SUCCESS BIOS Version & Release Date and Time have been got successfully.
@retval EFI_NOT_FOUND BIOS ID image is not found, and no parameter will be modified.
@retval EFI_INVALID_PARAMETER All the parameters are NULL.
**/
EFI_STATUS
EFIAPI
GetBiosVersionDateTime (
OUT CHAR16 *BiosVersion OPTIONAL,
OUT CHAR16 *BiosReleaseDate OPTIONAL,
OUT CHAR16 *BiosReleaseTime OPTIONAL
)
{
EFI_STATUS Status;
BIOS_ID_IMAGE BiosIdImage;
if ((BiosVersion == NULL) && (BiosReleaseDate == NULL) && (BiosReleaseTime == NULL)) {
return EFI_INVALID_PARAMETER;
}
Status = GetBiosId (&BiosIdImage);
if (EFI_ERROR (Status)) {
return EFI_NOT_FOUND;
}
if (BiosVersion != NULL) {
//
// Fill the BiosVersion data from the BIOS ID.
//
CopyMem (BiosVersion, &(BiosIdImage.BiosIdString), sizeof (BIOS_ID_STRING));
}
if (BiosReleaseDate != NULL) {
//
// Fill the build timestamp date from the BIOS ID in the "MM/DD/YY" format.
//
BiosReleaseDate[0] = BiosIdImage.BiosIdString.TimeStamp[2];
BiosReleaseDate[1] = BiosIdImage.BiosIdString.TimeStamp[3];
BiosReleaseDate[2] = (CHAR16)((UINT8)('/'));
BiosReleaseDate[3] = BiosIdImage.BiosIdString.TimeStamp[4];
BiosReleaseDate[4] = BiosIdImage.BiosIdString.TimeStamp[5];
BiosReleaseDate[5] = (CHAR16)((UINT8)('/'));
//
// Add 20 for SMBIOS table
// Current Linux kernel will misjudge 09 as year 0, so using 2009 for SMBIOS table
//
BiosReleaseDate[6] = '2';
BiosReleaseDate[7] = '0';
BiosReleaseDate[8] = BiosIdImage.BiosIdString.TimeStamp[0];
BiosReleaseDate[9] = BiosIdImage.BiosIdString.TimeStamp[1];
BiosReleaseDate[10] = (CHAR16)((UINT8)('\0'));
}
if (BiosReleaseTime != NULL) {
//
// Fill the build timestamp time from the BIOS ID in the "HH:MM" format.
//
BiosReleaseTime[0] = BiosIdImage.BiosIdString.TimeStamp[6];
BiosReleaseTime[1] = BiosIdImage.BiosIdString.TimeStamp[7];
BiosReleaseTime[2] = (CHAR16)((UINT8)(':'));
BiosReleaseTime[3] = BiosIdImage.BiosIdString.TimeStamp[8];
BiosReleaseTime[4] = BiosIdImage.BiosIdString.TimeStamp[9];
BiosReleaseTime[5] = (CHAR16)((UINT8)('\0'));
}
return EFI_SUCCESS;
}
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