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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 #include "MiscSubClassDriver.h"
17 /**
18   This function makes boot time changes to the contents of the
19   MiscOemString (Type 11).
20 
21   @param  RecordData                 Pointer to copy of RecordData from the Data Table.
22 
23   @retval EFI_SUCCESS                All parameters were valid.
24   @retval EFI_UNSUPPORTED            Unexpected RecordType value.
25   @retval EFI_INVALID_PARAMETER      Invalid parameter was found.
26 
27 **/
MISC_SMBIOS_TABLE_FUNCTION(OemString)28 MISC_SMBIOS_TABLE_FUNCTION(OemString)
29 {
30   UINTN                    OemStrLen;
31   CHAR8                    *OptionalStrStart;
32   EFI_STATUS               Status;
33   EFI_STRING               OemStr;
34   STRING_REF               TokenToGet;
35   EFI_SMBIOS_HANDLE        SmbiosHandle;
36   SMBIOS_TABLE_TYPE11      *SmbiosRecord;
37 
38   //
39   // First check for invalid parameters.
40   //
41   if (RecordData == NULL) {
42     return EFI_INVALID_PARAMETER;
43   }
44 
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;
50   }
51 
52   //
53   // Two zeros following the last string.
54   //
55   SmbiosRecord = AllocatePool(sizeof (SMBIOS_TABLE_TYPE11) + OemStrLen + 1 + 1);
56   ZeroMem(SmbiosRecord, sizeof (SMBIOS_TABLE_TYPE11) + OemStrLen + 1 + 1);
57 
58   SmbiosRecord->Hdr.Type = EFI_SMBIOS_TYPE_OEM_STRINGS;
59   SmbiosRecord->Hdr.Length = sizeof (SMBIOS_TABLE_TYPE11);
60   //
61   // Make handle chosen by smbios protocol.add automatically.
62   //
63   SmbiosRecord->Hdr.Handle = 0;
64   SmbiosRecord->StringCount = 1;
65   OptionalStrStart = (CHAR8 *)(SmbiosRecord + 1);
66   UnicodeStrToAsciiStr(OemStr, OptionalStrStart);
67 
68   //
69   // Now we have got the full smbios record, call smbios protocol to add this record.
70   //
71   Status = AddSmbiosRecord (Smbios, &SmbiosHandle, (EFI_SMBIOS_TABLE_HEADER *) SmbiosRecord);
72 
73   FreePool(SmbiosRecord);
74   return Status;
75 }
76