--- /dev/null
+/*++\r
+ \r
+Copyright (c) 2009, Intel Corporation. All rights reserved. <BR> \r
+This software and associated documentation (if any) is furnished\r
+under a license and may only be used or copied in accordance\r
+with the terms of the license. Except as permitted by such\r
+license, no part of this software or documentation may be\r
+reproduced, stored in a retrieval system, or transmitted in any\r
+form or by any means without the express written consent of\r
+Intel Corporation.\r
+\r
+\r
+Module Name:\r
+\r
+ MiscBiosVendorFunction.c\r
+ \r
+Abstract: \r
+\r
+ BIOS vendor information boot time changes.\r
+ Misc. subclass type 2.\r
+ SMBIOS type 0.\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
+ SmbiosHandle = 0;\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
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