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- /*++
- Copyright (c) 2009 - 2020, Intel Corporation. All rights reserved.<BR>
- SPDX-License-Identifier: BSD-2-Clause-Patent
- Module Name:
- MiscBiosVendorFunction.c
- Abstract:
- BIOS vendor information boot time changes.
- Misc. subclass type 2.
- SMBIOS type 0.
- --*/
- #include "CommonHeader.h"
- #include "MiscSubclassDriver.h"
- #include <Library/BiosIdLib.h>
- #include <Library/SpiFlash.H>
- EFI_SPI_PROTOCOL *mSpiProtocol = NULL;
- /**
- This function read the data from Spi Rom.
- @param BaseAddress The starting address of the read.
- @param Byte The pointer to the destination buffer.
- @param Length The number of bytes.
- @param SpiRegionType Spi Region Type.
- @retval Status
- **/
- EFI_STATUS
- FlashRead (
- IN UINTN BaseAddress,
- IN UINT8 *Byte,
- IN UINTN Length,
- IN SPI_REGION_TYPE SpiRegionType
- )
- {
- EFI_STATUS Status = EFI_SUCCESS;
- UINT32 SectorSize;
- UINT32 SpiAddress;
- UINT8 Buffer[SECTOR_SIZE_4KB];
- SpiAddress = (UINT32)(UINTN)(BaseAddress);
- SectorSize = SECTOR_SIZE_4KB;
- Status = mSpiProtocol->Execute (
- mSpiProtocol,
- SPI_READ,
- SPI_WREN,
- TRUE,
- TRUE,
- FALSE,
- (UINT32) SpiAddress,
- SectorSize,
- Buffer,
- SpiRegionType
- );
- if (EFI_ERROR (Status)) {
- #ifdef _SHOW_LOG_
- Print(L"Read SPI ROM Failed [%08x]\n", SpiAddress);
- #endif
- return Status;
- }
- CopyMem (Byte, (void *)Buffer, Length);
- return Status;
- }
- /**
- This function returns the value & exponent to Base2 for a given
- Hex value. This is used to calculate the BiosPhysicalDeviceSize.
- @param Value The hex value which is to be converted into value-exponent form
- @param Exponent The exponent out of the conversion
- @retval EFI_SUCCESS All parameters were valid and *Value & *Exponent have been set.
- @retval EFI_INVALID_PARAMETER Invalid parameter was found.
- **/
- EFI_STATUS
- GetValueExponentBase2(
- IN OUT UINTN *Value,
- OUT UINTN *Exponent
- )
- {
- if ((Value == NULL) || (Exponent == NULL)) {
- return EFI_INVALID_PARAMETER;
- }
- while ((*Value % 2) == 0) {
- *Value=*Value/2;
- (*Exponent)++;
- }
- return EFI_SUCCESS;
- }
- /**
- Field Filling Function. Transform an EFI_EXP_BASE2_DATA to a byte, with '64k'
- as the unit.
- @param Base2Data Pointer to Base2_Data
- @retval EFI_SUCCESS Transform successfully.
- @retval EFI_INVALID_PARAMETER Invalid parameter was found.
- **/
- UINT16
- Base2ToByteWith64KUnit (
- IN EFI_EXP_BASE2_DATA *Base2Data
- )
- {
- UINT16 Value;
- UINT16 Exponent;
- Value = Base2Data->Value;
- Exponent = Base2Data->Exponent;
- Exponent -= 16;
- Value <<= Exponent;
- return Value;
- }
- /**
- This function makes boot time changes to the contents of the
- MiscBiosVendor (Type 0).
- @param RecordData Pointer to copy of RecordData from the Data Table.
- @retval EFI_SUCCESS All parameters were valid.
- @retval EFI_UNSUPPORTED Unexpected RecordType value.
- @retval EFI_INVALID_PARAMETER Invalid parameter was found.
- **/
- MISC_SMBIOS_TABLE_FUNCTION(MiscBiosVendor)
- {
- CHAR8 *OptionalStrStart;
- UINTN OptionalStrSize;
- UINTN VendorStrLen;
- UINTN VerStrLen;
- UINTN DateStrLen;
- CHAR16 *Version;
- CHAR16 *ReleaseDate;
- CHAR16 BiosVersion[100]; //Assuming that strings are < 100 UCHAR
- CHAR16 BiosReleaseDate[100]; //Assuming that strings are < 100 UCHAR
- CHAR16 BiosReleaseTime[100]; //Assuming that strings are < 100 UCHAR
- EFI_STATUS Status;
- EFI_STRING Char16String;
- STRING_REF TokenToGet;
- STRING_REF TokenToUpdate;
- SMBIOS_TABLE_TYPE0 *SmbiosRecord;
- EFI_SMBIOS_HANDLE SmbiosHandle;
- EFI_MISC_BIOS_VENDOR *ForType0InputData;
- UINT16 BIOSVersionTemp[100];
- ForType0InputData = (EFI_MISC_BIOS_VENDOR *)RecordData;
- //
- // First check for invalid parameters.
- //
- if (RecordData == NULL) {
- return EFI_INVALID_PARAMETER;
- }
- //
- // Add VLV2 BIOS Version and Release data
- //
- SetMem(BiosVersion, sizeof(BiosVersion), 0);
- SetMem(BiosReleaseDate, sizeof(BiosReleaseDate), 0);
- SetMem(BiosReleaseTime, sizeof(BiosReleaseTime), 0);
- Status = GetBiosVersionDateTime (BiosVersion, BiosReleaseDate, BiosReleaseTime);
- DEBUG ((EFI_D_ERROR, "GetBiosVersionDateTime :%s %s %s \n", BiosVersion, BiosReleaseDate, BiosReleaseTime));
- if (StrLen (BiosVersion) > 0) {
- TokenToUpdate = STRING_TOKEN (STR_MISC_BIOS_VERSION);
- HiiSetString (mHiiHandle, TokenToUpdate, BiosVersion, NULL);
- }
- if (StrLen(BiosReleaseDate) > 0) {
- TokenToUpdate = STRING_TOKEN (STR_MISC_BIOS_RELEASE_DATE);
- HiiSetString (mHiiHandle, TokenToUpdate, BiosReleaseDate, NULL);
- }
- TokenToGet = STRING_TOKEN (STR_MISC_BIOS_VENDOR);
- Char16String = SmbiosMiscGetString (TokenToGet);
- VendorStrLen = StrLen(Char16String);
- if (VendorStrLen > SMBIOS_STRING_MAX_LENGTH) {
- return EFI_UNSUPPORTED;
- }
- TokenToGet = STRING_TOKEN (STR_MISC_BIOS_VERSION);
- Version = SmbiosMiscGetString (TokenToGet);
- ZeroMem (BIOSVersionTemp, sizeof (BIOSVersionTemp));
- StrCatS (BIOSVersionTemp, sizeof (BIOSVersionTemp) / sizeof (CHAR16), Version);
- VerStrLen = StrLen(BIOSVersionTemp);
- if (VerStrLen > SMBIOS_STRING_MAX_LENGTH) {
- return EFI_UNSUPPORTED;
- }
- TokenToGet = STRING_TOKEN (STR_MISC_BIOS_RELEASE_DATE);
- ReleaseDate = SmbiosMiscGetString (TokenToGet);
- DateStrLen = StrLen(ReleaseDate);
- if (DateStrLen > SMBIOS_STRING_MAX_LENGTH) {
- return EFI_UNSUPPORTED;
- }
- //
- // Two zeros following the last string.
- //
- OptionalStrSize = VendorStrLen + 1 + VerStrLen + 1 + DateStrLen + 1 + 1;
- SmbiosRecord = AllocatePool(sizeof (SMBIOS_TABLE_TYPE0) + OptionalStrSize);
- ZeroMem(SmbiosRecord, sizeof (SMBIOS_TABLE_TYPE0) + OptionalStrSize);
- SmbiosRecord->Hdr.Type = EFI_SMBIOS_TYPE_BIOS_INFORMATION;
- SmbiosRecord->Hdr.Length = sizeof (SMBIOS_TABLE_TYPE0);
- //
- // Make handle chosen by smbios protocol.add automatically.
- //
- SmbiosRecord->Hdr.Handle = 0;
- //
- // Vendor will be the 1st optional string following the formatted structure.
- //
- SmbiosRecord->Vendor = 1;
- //
- // Version will be the 2nd optional string following the formatted structure.
- //
- SmbiosRecord->BiosVersion = 2;
- SmbiosRecord->BiosSegment = (UINT16)ForType0InputData->BiosStartingAddress;
- //
- // ReleaseDate will be the 3rd optional string following the formatted structure.
- //
- SmbiosRecord->BiosReleaseDate = 3;
- //
- // Tiger has no PCD value to indicate BIOS Size, just fill 0 for simply.
- //
- SmbiosRecord->BiosSize = 0;
- SmbiosRecord->BiosCharacteristics = *(MISC_BIOS_CHARACTERISTICS*)(&ForType0InputData->BiosCharacteristics1);
- //
- // CharacterExtensionBytes also store in ForType0InputData->BiosCharacteristics1 later two bytes to save size.
- //
- SmbiosRecord->BIOSCharacteristicsExtensionBytes[0] = *((UINT8 *) &ForType0InputData->BiosCharacteristics1 + 4);
- SmbiosRecord->BIOSCharacteristicsExtensionBytes[1] = *((UINT8 *) &ForType0InputData->BiosCharacteristics1 + 5);
- SmbiosRecord->SystemBiosMajorRelease = ForType0InputData->BiosMajorRelease;
- SmbiosRecord->SystemBiosMinorRelease = ForType0InputData->BiosMinorRelease;
- SmbiosRecord->EmbeddedControllerFirmwareMajorRelease = ForType0InputData->BiosEmbeddedFirmwareMajorRelease;
- SmbiosRecord->EmbeddedControllerFirmwareMinorRelease = ForType0InputData->BiosEmbeddedFirmwareMinorRelease;
- OptionalStrStart = (CHAR8 *)(SmbiosRecord + 1);
- UnicodeStrToAsciiStrS(Char16String, OptionalStrStart, OptionalStrSize);
- OptionalStrStart += (VendorStrLen + 1);
- OptionalStrSize -= (VendorStrLen + 1);
- UnicodeStrToAsciiStrS(BIOSVersionTemp, OptionalStrStart, OptionalStrSize);
- OptionalStrStart += (VerStrLen + 1);
- OptionalStrSize -= (VerStrLen + 1);
- UnicodeStrToAsciiStrS(ReleaseDate, OptionalStrStart, OptionalStrSize);
- //
- // Now we have got the full smbios record, call smbios protocol to add this record.
- //
- SmbiosHandle = SMBIOS_HANDLE_PI_RESERVED;
- Status = Smbios-> Add(
- Smbios,
- NULL,
- &SmbiosHandle,
- (EFI_SMBIOS_TABLE_HEADER *) SmbiosRecord
- );
- FreePool(SmbiosRecord);
- return Status;
- }
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