2 boot information boot time changes.
5 Copyright (c) 2009, Intel Corporation
6 All rights reserved. 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
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.
16 #include "MiscSubClassDriver.h"
18 This function makes boot time changes to the contents of the
19 MiscOemString (Type 11).
21 @param RecordData Pointer to copy of RecordData from the Data Table.
23 @retval EFI_SUCCESS All parameters were valid.
24 @retval EFI_UNSUPPORTED Unexpected RecordType value.
25 @retval EFI_INVALID_PARAMETER Invalid parameter was found.
28 MISC_SMBIOS_TABLE_FUNCTION(OemString
)
31 CHAR8
*OptionalStrStart
;
34 STRING_REF TokenToGet
;
35 EFI_SMBIOS_HANDLE SmbiosHandle
;
36 SMBIOS_TABLE_TYPE11
*SmbiosRecord
;
39 // First check for invalid parameters.
41 if (RecordData
== NULL
) {
42 return EFI_INVALID_PARAMETER
;
45 TokenToGet
= STRING_TOKEN (STR_MISC_OEM_STRING
);
46 OemStr
= HiiGetPackageString(&gEfiCallerIdGuid
, TokenToGet
, NULL
);
47 OemStrLen
= StrLen(OemStr
);
48 if (OemStrLen
> SMBIOS_STRING_MAX_LENGTH
) {
49 return EFI_UNSUPPORTED
;
53 // Two zeros following the last string.
55 SmbiosRecord
= AllocatePool(sizeof (SMBIOS_TABLE_TYPE11
) + OemStrLen
+ 1 + 1);
56 ZeroMem(SmbiosRecord
, sizeof (SMBIOS_TABLE_TYPE11
) + OemStrLen
+ 1 + 1);
58 SmbiosRecord
->Hdr
.Type
= EFI_SMBIOS_TYPE_OEM_STRINGS
;
59 SmbiosRecord
->Hdr
.Length
= sizeof (SMBIOS_TABLE_TYPE11
);
61 // Make handle chosen by smbios protocol.add automatically.
63 SmbiosRecord
->Hdr
.Handle
= 0;
64 SmbiosRecord
->StringCount
= 1;
65 OptionalStrStart
= (CHAR8
*)(SmbiosRecord
+ 1);
66 UnicodeStrToAsciiStr(OemStr
, OptionalStrStart
);
69 // Now we have got the full smbios record, call smbios protocol to add this record.
72 Status
= Smbios
-> Add(
76 (EFI_SMBIOS_TABLE_HEADER
*) SmbiosRecord
78 FreePool(SmbiosRecord
);