+++ /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
- MiscSystemOptionStringFunction.c\r
- \r
-Abstract: \r
-\r
- BIOS system option string boot time changes.\r
- SMBIOS type 12.\r
-\r
---*/\r
-\r
-#include "MiscSubclassDriver.h"\r
-\r
-\r
-/**\r
- This function makes boot time changes to the contents of the\r
- MiscSystemOptionString (Type 12).\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(SystemOptionString)\r
-{\r
- CHAR8 *OptionalStrStart;\r
- UINTN OptStrLen;\r
- EFI_STRING OptionString;\r
- EFI_STATUS Status;\r
- STRING_REF TokenToGet;\r
- EFI_SMBIOS_HANDLE SmbiosHandle;\r
- SMBIOS_TABLE_TYPE12 *SmbiosRecord;\r
-\r
- //\r
- // First check for invalid parameters.\r
- //\r
- if (RecordData == NULL) {\r
- return EFI_INVALID_PARAMETER;\r
- }\r
-\r
- TokenToGet = STRING_TOKEN (STR_MISC_SYSTEM_OPTION_STRING);\r
- OptionString = HiiGetPackageString(&gEfiCallerIdGuid, TokenToGet, NULL);\r
- OptStrLen = StrLen(OptionString);\r
- if (OptStrLen > 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_TYPE12) + OptStrLen + 1 + 1);\r
- ZeroMem(SmbiosRecord, sizeof (SMBIOS_TABLE_TYPE12) + OptStrLen + 1 + 1);\r
-\r
- SmbiosRecord->Hdr.Type = EFI_SMBIOS_TYPE_SYSTEM_CONFIGURATION_OPTIONS;\r
- SmbiosRecord->Hdr.Length = sizeof (SMBIOS_TABLE_TYPE12);\r
- //\r
- // Make handle chosen by smbios protocol.add automatically.\r
- //\r
- SmbiosRecord->Hdr.Handle = 0; \r
-\r
- SmbiosRecord->StringCount = 1;\r
- OptionalStrStart = (CHAR8*) (SmbiosRecord + 1);\r
- UnicodeStrToAsciiStr(OptionString, OptionalStrStart);\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