+++ /dev/null
-/** @file\r
-BIOS vendor information boot time changes.\r
-Misc. subclass type 2.\r
-SMBIOS type 0.\r
-\r
-Copyright (c) 2013-2015 Intel Corporation.\r
-\r
-SPDX-License-Identifier: BSD-2-Clause-Patent\r
-\r
-\r
-**/\r
-\r
-\r
-#include "CommonHeader.h"\r
-\r
-#include "SmbiosMisc.h"\r
-\r
-/**\r
- This function returns the value & exponent to Base2 for a given\r
- Hex value. This is used to calculate the BiosPhysicalDeviceSize.\r
-\r
- @param Value The hex value which is to be converted into value-exponent form\r
- @param Exponent The exponent out of the conversion\r
-\r
- @retval EFI_SUCCESS All parameters were valid and *Value & *Exponent have been set.\r
- @retval EFI_INVALID_PARAMETER Invalid parameter was found.\r
-\r
-**/\r
-EFI_STATUS\r
-GetValueExponentBase2(\r
- IN OUT UINTN *Value,\r
- OUT UINTN *Exponent\r
- )\r
-{\r
- if ((Value == NULL) || (Exponent == NULL)) {\r
- return EFI_INVALID_PARAMETER;\r
- }\r
-\r
- while ((*Value % 2) == 0) {\r
- *Value=*Value/2;\r
- (*Exponent)++;\r
- }\r
-\r
- return EFI_SUCCESS;\r
-}\r
-\r
-/**\r
- Field Filling Function. Transform an EFI_EXP_BASE2_DATA to a byte, with '64k'\r
- as the unit.\r
-\r
- @param Base2Data Pointer to Base2_Data\r
-\r
- @retval EFI_SUCCESS Transform successfully.\r
- @retval EFI_INVALID_PARAMETER Invalid parameter was found.\r
-\r
-**/\r
-UINT16\r
-Base2ToByteWith64KUnit (\r
- IN EFI_EXP_BASE2_DATA *Base2Data\r
- )\r
-{\r
- UINT16 Value;\r
- UINT16 Exponent;\r
-\r
- Value = Base2Data->Value;\r
- Exponent = Base2Data->Exponent;\r
- Exponent -= 16;\r
- Value <<= Exponent;\r
-\r
- return Value;\r
-}\r
-\r
-\r
-/**\r
- This function makes boot time changes to the contents of the\r
- MiscBiosVendor (Type 0).\r
-\r
- @param RecordData Pointer to copy of RecordData from the Data Table.\r
-\r
- @retval EFI_SUCCESS All parameters were valid.\r
- @retval EFI_UNSUPPORTED Unexpected RecordType value.\r
- @retval EFI_INVALID_PARAMETER Invalid parameter was found.\r
-\r
-**/\r
-MISC_SMBIOS_TABLE_FUNCTION(MiscBiosVendor)\r
-{\r
- CHAR8 *OptionalStrStart;\r
- UINTN VendorStrLen;\r
- UINTN VerStrLen;\r
- UINTN DateStrLen;\r
- UINTN BiosPhysicalSizeHexValue;\r
- UINTN BiosPhysicalSizeExponent;\r
- CHAR16 Version[SMBIOS_STRING_MAX_LENGTH];\r
- CHAR16 Vendor[SMBIOS_STRING_MAX_LENGTH];\r
- CHAR16 ReleaseDate[SMBIOS_STRING_MAX_LENGTH];\r
- EFI_STRING VersionPtr;\r
- EFI_STRING VendorPtr;\r
- EFI_STRING ReleaseDatePtr;\r
- EFI_STATUS Status;\r
- STRING_REF TokenToGet;\r
- STRING_REF TokenToUpdate;\r
- SMBIOS_TABLE_TYPE0 *SmbiosRecord;\r
- EFI_SMBIOS_HANDLE SmbiosHandle;\r
- EFI_MISC_BIOS_VENDOR *ForType0InputData;\r
-\r
- BiosPhysicalSizeHexValue = 0x0;\r
- BiosPhysicalSizeExponent = 0x0;\r
- ForType0InputData = (EFI_MISC_BIOS_VENDOR *)RecordData;\r
-\r
- //\r
- // First check for invalid parameters.\r
- //\r
- if (RecordData == NULL) {\r
- return EFI_INVALID_PARAMETER;\r
- }\r
- //\r
- // Now update the BiosPhysicalSize\r
- //\r
- BiosPhysicalSizeHexValue = PcdGet32 (PcdFlashAreaSize);\r
- Status= GetValueExponentBase2 (\r
- &BiosPhysicalSizeHexValue,\r
- &BiosPhysicalSizeExponent\r
- );\r
- if(Status == EFI_SUCCESS){\r
- ForType0InputData->BiosPhysicalDeviceSize.Value = (UINT16)BiosPhysicalSizeHexValue;\r
- ForType0InputData->BiosPhysicalDeviceSize.Exponent = (UINT16)BiosPhysicalSizeExponent;\r
- }\r
- //\r
- // Update strings from PCD\r
- //\r
- AsciiStrToUnicodeStr ((CHAR8 *) PcdGetPtr (PcdSMBIOSBiosVendor), Vendor);\r
- if (StrLen (Vendor) > 0) {\r
- TokenToUpdate = STRING_TOKEN (STR_MISC_BIOS_VENDOR);\r
- HiiSetString (mHiiHandle, TokenToUpdate, Vendor, NULL);\r
- }\r
- TokenToGet = STRING_TOKEN (STR_MISC_BIOS_VENDOR);\r
- VendorPtr = HiiGetPackageString(&gEfiCallerIdGuid, TokenToGet, NULL);\r
- VendorStrLen = StrLen(VendorPtr);\r
- if (VendorStrLen > SMBIOS_STRING_MAX_LENGTH) {\r
- return EFI_UNSUPPORTED;\r
- }\r
-\r
- UnicodeSPrint (Version, sizeof (Version), L"0x%08x", PcdGet32 (PcdFirmwareRevision));\r
- if (StrLen (Version) > 0) {\r
- TokenToUpdate = STRING_TOKEN (STR_MISC_BIOS_VERSION);\r
- HiiSetString (mHiiHandle, TokenToUpdate, Version, NULL);\r
- }\r
- TokenToGet = STRING_TOKEN (STR_MISC_BIOS_VERSION);\r
- VersionPtr = HiiGetPackageString(&gEfiCallerIdGuid, TokenToGet, NULL);\r
- VerStrLen = StrLen(VersionPtr);\r
- if (VerStrLen > SMBIOS_STRING_MAX_LENGTH) {\r
- return EFI_UNSUPPORTED;\r
- }\r
-\r
- AsciiStrToUnicodeStr ((CHAR8 *) PcdGetPtr (PcdSMBIOSBiosReleaseDate), ReleaseDate);\r
- if (StrLen (ReleaseDate) > 0) {\r
- TokenToUpdate = STRING_TOKEN (STR_MISC_BIOS_RELEASE_DATE);\r
- HiiSetString (mHiiHandle, TokenToUpdate, ReleaseDate, NULL);\r
- }\r
- TokenToGet = STRING_TOKEN (STR_MISC_BIOS_RELEASE_DATE);\r
- ReleaseDatePtr = HiiGetPackageString(&gEfiCallerIdGuid, TokenToGet, NULL);\r
- DateStrLen = StrLen(ReleaseDatePtr);\r
- if (DateStrLen > SMBIOS_STRING_MAX_LENGTH) {\r
- return EFI_UNSUPPORTED;\r
- }\r
-\r
- //\r
- // Two zeros following the last string.\r
- //\r
- SmbiosRecord = AllocatePool(sizeof (SMBIOS_TABLE_TYPE0) + VendorStrLen + 1 + VerStrLen + 1 + DateStrLen + 1 + 1);\r
- ZeroMem(SmbiosRecord, sizeof (SMBIOS_TABLE_TYPE0) + VendorStrLen + 1 + VerStrLen + 1 + DateStrLen + 1 + 1);\r
-\r
- SmbiosRecord->Hdr.Type = EFI_SMBIOS_TYPE_BIOS_INFORMATION;\r
- SmbiosRecord->Hdr.Length = sizeof (SMBIOS_TABLE_TYPE0);\r
- //\r
- // Make handle chosen by smbios protocol.add automatically.\r
- //\r
- SmbiosRecord->Hdr.Handle = 0;\r
- //\r
- // Vendor will be the 1st optional string following the formatted structure.\r
- //\r
- SmbiosRecord->Vendor = 1;\r
- //\r
- // Version will be the 2nd optional string following the formatted structure.\r
- //\r
- SmbiosRecord->BiosVersion = 2;\r
- SmbiosRecord->BiosSegment = PcdGet16 (PcdSMBIOSBiosStartAddress);\r
- //\r
- // ReleaseDate will be the 3rd optional string following the formatted structure.\r
- //\r
- SmbiosRecord->BiosReleaseDate = 3;\r
- SmbiosRecord->BiosSize = (UINT8)(Base2ToByteWith64KUnit(&ForType0InputData->BiosPhysicalDeviceSize) - 1);\r
- *(UINT64 *)&SmbiosRecord->BiosCharacteristics = PcdGet64 (PcdSMBIOSBiosChar);\r
- //\r
- // CharacterExtensionBytes also store in ForType0InputData->BiosCharacteristics1 later two bytes to save size.\r
- //\r
- SmbiosRecord->BIOSCharacteristicsExtensionBytes[0] = PcdGet8 (PcdSMBIOSBiosCharEx1);\r
- SmbiosRecord->BIOSCharacteristicsExtensionBytes[1] = PcdGet8 (PcdSMBIOSBiosCharEx2);\r
-\r
- SmbiosRecord->SystemBiosMajorRelease = ForType0InputData->BiosMajorRelease;\r
- SmbiosRecord->SystemBiosMinorRelease = ForType0InputData->BiosMinorRelease;\r
- SmbiosRecord->EmbeddedControllerFirmwareMajorRelease = ForType0InputData->BiosEmbeddedFirmwareMajorRelease;\r
- SmbiosRecord->EmbeddedControllerFirmwareMinorRelease = ForType0InputData->BiosEmbeddedFirmwareMinorRelease;\r
-\r
- OptionalStrStart = (CHAR8 *)(SmbiosRecord + 1);\r
- UnicodeStrToAsciiStr(VendorPtr, OptionalStrStart);\r
- UnicodeStrToAsciiStr(VersionPtr, OptionalStrStart + VendorStrLen + 1);\r
- UnicodeStrToAsciiStr(ReleaseDatePtr, OptionalStrStart + VendorStrLen + 1 + VerStrLen + 1);\r
- //\r
- // Now we have got the full smbios record, call smbios protocol to add this record.\r
- //\r
- SmbiosHandle = SMBIOS_HANDLE_PI_RESERVED;\r
- Status = Smbios-> Add(\r
- Smbios,\r
- NULL,\r
- &SmbiosHandle,\r
- (EFI_SMBIOS_TABLE_HEADER *) SmbiosRecord\r
- );\r
-\r
- FreePool(SmbiosRecord);\r
- return Status;\r
-}\r