1 /*++ 2 3 Copyright (c) 2009 - 2014, Intel Corporation. All rights reserved.<BR> 4 5 This program and the accompanying materials are licensed and made available under 7 the terms and conditions of the BSD License that accompanies this distribution. 9 The full text of the license may be found at 11 http://opensource.org/licenses/bsd-license.php. 13 15 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 17 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 19 21 23 Module Name: 24 25 MiscOemStringFunction.c 26 27 Abstract: 28 29 boot information boot time changes. 30 SMBIOS type 11. 31 32 --*/ 33 34 35 #include "CommonHeader.h" 36 37 #include "MiscSubclassDriver.h" 38 39 /** 40 This function makes boot time changes to the contents of the 41 MiscOemString (Type 11). 42 43 @param RecordData Pointer to copy of RecordData from the Data Table. 44 45 @retval EFI_SUCCESS All parameters were valid. 46 @retval EFI_UNSUPPORTED Unexpected RecordType value. 47 @retval EFI_INVALID_PARAMETER Invalid parameter was found. 48 49 **/ 50 MISC_SMBIOS_TABLE_FUNCTION(OemString) 51 { 52 UINTN OemStrLen; 53 CHAR8 *OptionalStrStart; 54 EFI_STATUS Status; 55 EFI_STRING OemStr; 56 STRING_REF TokenToGet; 57 EFI_SMBIOS_HANDLE SmbiosHandle; 58 SMBIOS_TABLE_TYPE11 *SmbiosRecord; 59 60 // 61 // First check for invalid parameters. 62 // 63 if (RecordData == NULL) { 64 return EFI_INVALID_PARAMETER; 65 } 66 67 TokenToGet = STRING_TOKEN (STR_MISC_OEM_EN_US); 68 OemStr = SmbiosMiscGetString (TokenToGet); 69 OemStrLen = StrLen(OemStr); 70 if (OemStrLen > SMBIOS_STRING_MAX_LENGTH) { 71 return EFI_UNSUPPORTED; 72 } 73 74 // 75 // Two zeros following the last string. 76 // 77 SmbiosRecord = AllocatePool(sizeof (SMBIOS_TABLE_TYPE11) + OemStrLen + 1 + 1); 78 ZeroMem(SmbiosRecord, sizeof (SMBIOS_TABLE_TYPE11) + OemStrLen + 1 + 1); 79 80 SmbiosRecord->Hdr.Type = EFI_SMBIOS_TYPE_OEM_STRINGS; 81 SmbiosRecord->Hdr.Length = sizeof (SMBIOS_TABLE_TYPE11); 82 83 // 84 // Make handle chosen by smbios protocol.add automatically. 85 // 86 SmbiosRecord->Hdr.Handle = 0; 87 SmbiosRecord->StringCount = 1; 88 OptionalStrStart = (CHAR8 *)(SmbiosRecord + 1); 89 UnicodeStrToAsciiStr(OemStr, OptionalStrStart); 90 91 // 92 // Now we have got the full smbios record, call smbios protocol to add this record. 93 // 94 SmbiosHandle = SMBIOS_HANDLE_PI_RESERVED; 95 Status = Smbios-> Add( 96 Smbios, 97 NULL, 98 &SmbiosHandle, 99 (EFI_SMBIOS_TABLE_HEADER *) SmbiosRecord 100 ); 101 FreePool(SmbiosRecord); 102 return Status; 103 } 104
