1 /** @file
2 boot information boot time changes.
3 SMBIOS type 11.
4
5 Copyright (c) 2009 - 2011, Intel Corporation. All rights reserved.<BR>
6 This program and the accompanying materials
7 are licensed and made available under the terms and conditions of the BSD License
8 which accompanies this distribution. The full text of the license may be found at
9 http://opensource.org/licenses/bsd-license.php
10
11 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
12 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
13
14 **/
15
16
17 #include "MiscSubclassDriver.h"
18 /**
19 This function makes boot time changes to the contents of the
20 MiscOemString (Type 11).
21
22 @param RecordData Pointer to copy of RecordData from the Data Table.
23
24 @retval EFI_SUCCESS All parameters were valid.
25 @retval EFI_UNSUPPORTED Unexpected RecordType value.
26 @retval EFI_INVALID_PARAMETER Invalid parameter was found.
27
28 **/
MISC_SMBIOS_TABLE_FUNCTION(OemString)29 MISC_SMBIOS_TABLE_FUNCTION(OemString)
30 {
31 UINTN OemStrLen;
32 CHAR8 *OptionalStrStart;
33 EFI_STATUS Status;
34 EFI_STRING OemStr;
35 STRING_REF TokenToGet;
36 EFI_SMBIOS_HANDLE SmbiosHandle;
37 SMBIOS_TABLE_TYPE11 *SmbiosRecord;
38
39 //
40 // First check for invalid parameters.
41 //
42 if (RecordData == NULL) {
43 return EFI_INVALID_PARAMETER;
44 }
45
46 TokenToGet = STRING_TOKEN (STR_MISC_OEM_STRING);
47 OemStr = HiiGetPackageString(&gEfiCallerIdGuid, TokenToGet, NULL);
48 OemStrLen = StrLen(OemStr);
49 if (OemStrLen > SMBIOS_STRING_MAX_LENGTH) {
50 return EFI_UNSUPPORTED;
51 }
52
53 //
54 // Two zeros following the last string.
55 //
56 SmbiosRecord = AllocatePool(sizeof (SMBIOS_TABLE_TYPE11) + OemStrLen + 1 + 1);
57 ZeroMem(SmbiosRecord, sizeof (SMBIOS_TABLE_TYPE11) + OemStrLen + 1 + 1);
58
59 SmbiosRecord->Hdr.Type = EFI_SMBIOS_TYPE_OEM_STRINGS;
60 SmbiosRecord->Hdr.Length = sizeof (SMBIOS_TABLE_TYPE11);
61 //
62 // Make handle chosen by smbios protocol.add automatically.
63 //
64 SmbiosRecord->Hdr.Handle = 0;
65 SmbiosRecord->StringCount = 1;
66 OptionalStrStart = (CHAR8 *)(SmbiosRecord + 1);
67 UnicodeStrToAsciiStr(OemStr, OptionalStrStart);
68
69 //
70 // Now we have got the full smbios record, call smbios protocol to add this record.
71 //
72 Status = AddSmbiosRecord (Smbios, &SmbiosHandle, (EFI_SMBIOS_TABLE_HEADER *) SmbiosRecord);
73
74 FreePool(SmbiosRecord);
75 return Status;
76 }
77