1 /** @file
2 boot information boot time changes.
3 SMBIOS type 11.
4
5 Copyright (c) 2013-2015 Intel Corporation.
6
7 This program and the accompanying materials
8 are licensed and made available under the terms and conditions of the BSD License
9 which accompanies this distribution. The full text of the license may be found at
10 http://opensource.org/licenses/bsd-license.php
11
12 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
13 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
14
15 **/
16
17
18 #include "CommonHeader.h"
19 #include "SmbiosMisc.h"
20
21 /**
22 This function makes boot time changes to the contents of the
23 MiscOemString (Type 11).
24
25 @param RecordData Pointer to copy of RecordData from the Data Table.
26
27 @retval EFI_SUCCESS All parameters were valid.
28 @retval EFI_UNSUPPORTED Unexpected RecordType value.
29 @retval EFI_INVALID_PARAMETER Invalid parameter was found.
30
31 **/
MISC_SMBIOS_TABLE_FUNCTION(MiscOemString)32 MISC_SMBIOS_TABLE_FUNCTION(MiscOemString)
33 {
34 UINTN OemStrLen;
35 CHAR8 *OptionalStrStart;
36 EFI_STATUS Status;
37 EFI_STRING OemStr;
38 STRING_REF TokenToGet;
39 EFI_SMBIOS_HANDLE SmbiosHandle;
40 SMBIOS_TABLE_TYPE11 *SmbiosRecord;
41 EFI_MISC_OEM_STRING *ForType11InputData;
42
43 ForType11InputData = (EFI_MISC_OEM_STRING *)RecordData;
44
45 //
46 // First check for invalid parameters.
47 //
48 if (RecordData == NULL) {
49 return EFI_INVALID_PARAMETER;
50 }
51
52 TokenToGet = STRING_TOKEN (STR_MISC_OEM_EN_US);
53 OemStr = HiiGetPackageString(&gEfiCallerIdGuid, TokenToGet, NULL);
54 OemStrLen = StrLen(OemStr);
55 if (OemStrLen > SMBIOS_STRING_MAX_LENGTH) {
56 return EFI_UNSUPPORTED;
57 }
58
59 //
60 // Two zeros following the last string.
61 //
62 SmbiosRecord = AllocatePool(sizeof (SMBIOS_TABLE_TYPE11) + OemStrLen + 1 + 1);
63 ZeroMem(SmbiosRecord, sizeof (SMBIOS_TABLE_TYPE11) + OemStrLen + 1 + 1);
64
65 SmbiosRecord->Hdr.Type = EFI_SMBIOS_TYPE_OEM_STRINGS;
66 SmbiosRecord->Hdr.Length = sizeof (SMBIOS_TABLE_TYPE11);
67 //
68 // Make handle chosen by smbios protocol.add automatically.
69 //
70 SmbiosRecord->Hdr.Handle = 0;
71 SmbiosRecord->StringCount = 1;
72 OptionalStrStart = (CHAR8 *)(SmbiosRecord + 1);
73 UnicodeStrToAsciiStr(OemStr, OptionalStrStart);
74
75 //
76 // Now we have got the full smbios record, call smbios protocol to add this record.
77 //
78 SmbiosHandle = SMBIOS_HANDLE_PI_RESERVED;
79 Status = Smbios-> Add(
80 Smbios,
81 NULL,
82 &SmbiosHandle,
83 (EFI_SMBIOS_TABLE_HEADER *) SmbiosRecord
84 );
85 FreePool(SmbiosRecord);
86 return Status;
87 }
88