/** @file
Copyright (c) 2021, NUVIA Inc. All rights reserved.
Copyright (c) 2009, Intel Corporation. All rights reserved.
Copyright (c) 2015, Hisilicon Limited. All rights reserved.
Copyright (c) 2015, Linaro Limited. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include
#include
#include
#include
#include
#include
#include
#include "SmbiosMisc.h"
typedef struct {
CONST CHAR8* MonthStr;
UINT32 MonthInt;
} MONTH_DESCRIPTION;
STATIC CONST
MONTH_DESCRIPTION mMonthDescription[] = {
{ "Jan", 1 },
{ "Feb", 2 },
{ "Mar", 3 },
{ "Apr", 4 },
{ "May", 5 },
{ "Jun", 6 },
{ "Jul", 7 },
{ "Aug", 8 },
{ "Sep", 9 },
{ "Oct", 10 },
{ "Nov", 11 },
{ "Dec", 12 },
{ "???", 1 }, // Use 1 as default month
};
/**
Field Filling Function. Transform an EFI_EXP_BASE2_DATA to a byte, with '64k'
as the unit.
@param Value Pointer to Base2_Data
@retval
**/
UINT8
Base2ToByteWith64KUnit (
IN UINTN Value
)
{
UINT8 Size;
Size = ((Value + (SIZE_64KB - 1)) >> 16);
return Size;
}
/**
Returns the date and time this file (and firmware) was built.
@param[out] *Time Pointer to the EFI_TIME structure to fill in.
**/
VOID
GetReleaseTime (
OUT EFI_TIME *Time
)
{
CONST CHAR8 *ReleaseDate = __DATE__;
CONST CHAR8 *ReleaseTime = __TIME__;
UINTN i;
for (i = 0; i < 12; i++) {
if (AsciiStrnCmp (ReleaseDate, mMonthDescription[i].MonthStr, 3) == 0) {
break;
}
}
Time->Month = mMonthDescription[i].MonthInt;
Time->Day = AsciiStrDecimalToUintn (ReleaseDate + 4);
Time->Year = AsciiStrDecimalToUintn (ReleaseDate + 7);
Time->Hour = AsciiStrDecimalToUintn (ReleaseTime);
Time->Minute = AsciiStrDecimalToUintn (ReleaseTime + 3);
Time->Second = AsciiStrDecimalToUintn (ReleaseTime + 6);
}
/**
Fetches the firmware ('BIOS') release date from the
FirmwareVersionInfo HOB.
@return The release date as a UTF-16 string
**/
CHAR16 *
GetBiosReleaseDate (
VOID
)
{
CHAR16 *ReleaseDate;
EFI_TIME BuildTime;
ReleaseDate = AllocateZeroPool ((sizeof (CHAR16)) * SMBIOS_STRING_MAX_LENGTH);
if (ReleaseDate == NULL) {
return NULL;
}
GetReleaseTime (&BuildTime);
(VOID)UnicodeSPrintAsciiFormat (ReleaseDate,
(sizeof (CHAR16)) * SMBIOS_STRING_MAX_LENGTH,
"%02d/%02d/%4d",
BuildTime.Month,
BuildTime.Day,
BuildTime.Year
);
return ReleaseDate;
}
/**
Fetches the firmware ('BIOS') version from the
FirmwareVersionInfo HOB.
@return The version as a UTF-16 string
**/
CHAR16 *
GetBiosVersion (
VOID
)
{
CHAR16 *ReleaseString;
ReleaseString = (CHAR16 *)FixedPcdGetPtr (PcdFirmwareVersionString);
return ReleaseString;
}
/**
This function makes boot time changes to the contents of the
MiscBiosVendor (Type 0) record.
@param RecordData Pointer to SMBIOS table with default values.
@param Smbios SMBIOS protocol.
@retval EFI_SUCCESS The SMBIOS table was successfully added.
@retval EFI_INVALID_PARAMETER Invalid parameter was found.
@retval EFI_OUT_OF_RESOURCES Failed to allocate required memory.
**/
SMBIOS_MISC_TABLE_FUNCTION (MiscBiosVendor)
{
CHAR8 *OptionalStrStart;
CHAR8 *StrStart;
UINTN VendorStrLen;
UINTN VerStrLen;
UINTN DateStrLen;
UINTN BiosPhysicalSize;
CHAR16 *Vendor;
CHAR16 *Version;
CHAR16 *ReleaseDate;
CHAR16 *Char16String;
EFI_STATUS Status;
EFI_STRING_ID TokenToUpdate;
EFI_STRING_ID TokenToGet;
SMBIOS_TABLE_TYPE0 *SmbiosRecord;
SMBIOS_TABLE_TYPE0 *InputData;
//
// First check for invalid parameters.
//
if (RecordData == NULL) {
return EFI_INVALID_PARAMETER;
}
InputData = (SMBIOS_TABLE_TYPE0 *)RecordData;
Vendor = (CHAR16 *) PcdGetPtr (PcdFirmwareVendor);
if (StrLen (Vendor) > 0) {
TokenToUpdate = STRING_TOKEN (STR_MISC_BIOS_VENDOR);
HiiSetString (mSmbiosMiscHiiHandle, TokenToUpdate, Vendor, NULL);
}
Version = GetBiosVersion();
if (StrLen (Version) > 0) {
TokenToUpdate = STRING_TOKEN (STR_MISC_BIOS_VERSION);
HiiSetString (mSmbiosMiscHiiHandle, TokenToUpdate, Version, NULL);
} else {
Version = (CHAR16 *) PcdGetPtr (PcdFirmwareVersionString);
if (StrLen (Version) > 0) {
TokenToUpdate = STRING_TOKEN (STR_MISC_BIOS_VERSION);
HiiSetString (mSmbiosMiscHiiHandle, TokenToUpdate, Version, NULL);
}
}
Char16String = GetBiosReleaseDate ();
if (StrLen(Char16String) > 0) {
TokenToUpdate = STRING_TOKEN (STR_MISC_BIOS_RELEASE_DATE);
HiiSetString (mSmbiosMiscHiiHandle, TokenToUpdate, Char16String, NULL);
}
TokenToGet = STRING_TOKEN (STR_MISC_BIOS_VENDOR);
Vendor = HiiGetPackageString (&gEfiCallerIdGuid, TokenToGet, NULL);
VendorStrLen = StrLen (Vendor);
TokenToGet = STRING_TOKEN (STR_MISC_BIOS_VERSION);
Version = HiiGetPackageString (&gEfiCallerIdGuid, TokenToGet, NULL);
VerStrLen = StrLen (Version);
TokenToGet = STRING_TOKEN (STR_MISC_BIOS_RELEASE_DATE);
ReleaseDate = HiiGetPackageString (&gEfiCallerIdGuid, TokenToGet, NULL);
DateStrLen = StrLen (ReleaseDate);
//
// Now update the BiosPhysicalSize
//
BiosPhysicalSize = FixedPcdGet32 (PcdFdSize);
//
// Two zeros following the last string.
//
SmbiosRecord = AllocateZeroPool (sizeof (SMBIOS_TABLE_TYPE0) + VendorStrLen + 1 +
VerStrLen + 1 +
DateStrLen + 1 + 1);
if (SmbiosRecord == NULL) {
Status = EFI_OUT_OF_RESOURCES;
goto Exit;
}
(VOID)CopyMem (SmbiosRecord, InputData, sizeof (SMBIOS_TABLE_TYPE0));
SmbiosRecord->Hdr.Length = sizeof (SMBIOS_TABLE_TYPE0);
SmbiosRecord->BiosSegment = (UINT16)(FixedPcdGet32 (PcdFdBaseAddress) / SIZE_64KB);
if (BiosPhysicalSize < SIZE_16MB) {
SmbiosRecord->BiosSize = Base2ToByteWith64KUnit (BiosPhysicalSize) - 1;
} else {
SmbiosRecord->BiosSize = 0xFF;
if (BiosPhysicalSize < SIZE_16GB) {
SmbiosRecord->ExtendedBiosSize.Size = BiosPhysicalSize / SIZE_1MB;
SmbiosRecord->ExtendedBiosSize.Unit = 0; // Size is in MB
} else {
SmbiosRecord->ExtendedBiosSize.Size = BiosPhysicalSize / SIZE_1GB;
SmbiosRecord->ExtendedBiosSize.Unit = 1; // Size is in GB
}
}
SmbiosRecord->SystemBiosMajorRelease = (UINT8) (PcdGet16 (PcdSystemBiosRelease) >> 8);
SmbiosRecord->SystemBiosMinorRelease = (UINT8) (PcdGet16 (PcdSystemBiosRelease) & 0xFF);
SmbiosRecord->EmbeddedControllerFirmwareMajorRelease = (UINT16)
(PcdGet16 (PcdEmbeddedControllerFirmwareRelease) >> 8);
SmbiosRecord->EmbeddedControllerFirmwareMinorRelease = (UINT16)
(PcdGet16 (PcdEmbeddedControllerFirmwareRelease) & 0xFF);
OptionalStrStart = (CHAR8 *)(SmbiosRecord + 1);
UnicodeStrToAsciiStrS (Vendor, OptionalStrStart, VendorStrLen + 1);
StrStart = OptionalStrStart + VendorStrLen + 1;
UnicodeStrToAsciiStrS (Version, StrStart, VerStrLen + 1);
StrStart += VerStrLen + 1;
UnicodeStrToAsciiStrS (ReleaseDate, StrStart, DateStrLen + 1);
//
// Now we have got the full smbios record, call smbios protocol to add this record.
//
Status = SmbiosMiscAddRecord ((UINT8*)SmbiosRecord, NULL);
if (EFI_ERROR (Status)) {
DEBUG ((DEBUG_ERROR, "[%a]:[%dL] Smbios Type00 Table Log Failed! %r \n",
__FUNCTION__, DEBUG_LINE_NUMBER, Status));
}
FreePool (SmbiosRecord);
Exit:
if (Vendor != NULL) {
FreePool (Vendor);
}
if (Version != NULL) {
FreePool (Version);
}
if (ReleaseDate != NULL) {
FreePool (ReleaseDate);
}
if (Char16String != NULL) {
FreePool (Char16String);
}
return Status;
}