+++ /dev/null
-/** @file\r
- BIOS vendor information boot time changes.\r
- Misc. subclass type 2.\r
- SMBIOS type 0.\r
-\r
- Copyright (c) 2009 - 2011, Intel Corporation. All rights reserved.<BR>\r
- This program and the accompanying materials\r
- are licensed and made available under the terms and conditions of the BSD License\r
- which accompanies this distribution. The full text of the license may be found at\r
- http://opensource.org/licenses/bsd-license.php\r
-\r
- THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
- WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
-\r
-**/\r
-\r
-#include "MiscSubClassDriver.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
- CHAR16 *Version;\r
- CHAR16 *ReleaseDate;\r
- EFI_STATUS Status;\r
- EFI_STRING Char16String;\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
- 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
- Version = (CHAR16 *) PcdGetPtr (PcdFirmwareVersionString);\r
- if (StrLen (Version) > 0) { \r
- TokenToUpdate = STRING_TOKEN (STR_MISC_BIOS_VERSION);\r
- HiiSetString (mHiiHandle, TokenToUpdate, Version, NULL);\r
- }\r
- \r
- ReleaseDate = (CHAR16 *) PcdGetPtr (PcdFirmwareReleaseDateString);\r
- if (StrLen(ReleaseDate) > 0) {\r
- TokenToUpdate = STRING_TOKEN (STR_MISC_BIOS_RELEASE_DATE);\r
- HiiSetString (mHiiHandle, TokenToUpdate, ReleaseDate, NULL);\r
- }\r
-\r
- TokenToGet = STRING_TOKEN (STR_MISC_BIOS_VENDOR);\r
- Char16String = HiiGetPackageString(&gEfiCallerIdGuid, TokenToGet, NULL);\r
- VendorStrLen = StrLen(Char16String);\r
- if (VendorStrLen > SMBIOS_STRING_MAX_LENGTH) {\r
- return EFI_UNSUPPORTED;\r
- }\r
-\r
- TokenToGet = STRING_TOKEN (STR_MISC_BIOS_VERSION);\r
- Version = HiiGetPackageString(&gEfiCallerIdGuid, TokenToGet, NULL);\r
- VerStrLen = StrLen(Version);\r
- if (VerStrLen > SMBIOS_STRING_MAX_LENGTH) {\r
- return EFI_UNSUPPORTED;\r
- }\r
-\r
- TokenToGet = STRING_TOKEN (STR_MISC_BIOS_RELEASE_DATE);\r
- ReleaseDate = HiiGetPackageString(&gEfiCallerIdGuid, TokenToGet, NULL);\r
- DateStrLen = StrLen(ReleaseDate);\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 = (UINT16)ForType0InputData->BiosStartingAddress;\r
- //\r
- // ReleaseDate will be the 3rd optional string following the formatted structure.\r
- //\r
- SmbiosRecord->BiosReleaseDate = 3;\r
- //\r
- // Nt32 has no PCD value to indicate BIOS Size, just fill 0 for simply.\r
- //\r
- SmbiosRecord->BiosSize = 0;\r
- SmbiosRecord->BiosCharacteristics = *(MISC_BIOS_CHARACTERISTICS*)(&ForType0InputData->BiosCharacteristics1);\r
- //\r
- // CharacterExtensionBytes also store in ForType0InputData->BiosCharacteristics1 later two bytes to save size.\r
- //\r
- SmbiosRecord->BIOSCharacteristicsExtensionBytes[0] = *((UINT8 *) &ForType0InputData->BiosCharacteristics1 + 4);\r
- SmbiosRecord->BIOSCharacteristicsExtensionBytes[1] = *((UINT8 *) &ForType0InputData->BiosCharacteristics1 + 5);\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(Char16String, OptionalStrStart);\r
- UnicodeStrToAsciiStr(Version, OptionalStrStart + VendorStrLen + 1);\r
- UnicodeStrToAsciiStr(ReleaseDate, OptionalStrStart + VendorStrLen + 1 + VerStrLen + 1);\r
- //\r
- // Now we have got the full smbios record, call smbios protocol to add this record.\r
- //\r
- Status = AddSmbiosRecord (Smbios, &SmbiosHandle, (EFI_SMBIOS_TABLE_HEADER *) SmbiosRecord);\r
-\r
- FreePool(SmbiosRecord);\r
- return Status;\r
-}\r
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