diff options
| author | David Wei <david.wei@intel.com> | 2015-01-12 09:37:20 +0000 |
|---|---|---|
| committer | zwei4 <zwei4@Edk2> | 2015-01-12 09:37:20 +0000 |
| commit | 3cbfba02fef9dae07a041fdbf2e89611d72d6f90 (patch) | |
| tree | 0b3bf0783124d38a191e09736492c0141aa36c15 /Vlv2TbltDevicePkg/SmBiosMiscDxe/MiscSystemOptionStringFunction.c | |
| parent | 6f785cfcc304c48ec04e542ee429df95e7b51bc5 (diff) | |
| download | edk2-platforms-3cbfba02fef9dae07a041fdbf2e89611d72d6f90.tar.xz | |
Upload BSD-licensed Vlv2TbltDevicePkg and Vlv2DeviceRefCodePkg to
https://svn.code.sf.net/p/edk2/code/trunk/edk2/,
which are for MinnowBoard MAX open source project.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: David Wei <david.wei@intel.com>
Reviewed-by: Mike Wu <mike.wu@intel.com>
Reviewed-by: Hot Tian <hot.tian@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16599 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'Vlv2TbltDevicePkg/SmBiosMiscDxe/MiscSystemOptionStringFunction.c')
| -rw-r--r-- | Vlv2TbltDevicePkg/SmBiosMiscDxe/MiscSystemOptionStringFunction.c | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/Vlv2TbltDevicePkg/SmBiosMiscDxe/MiscSystemOptionStringFunction.c b/Vlv2TbltDevicePkg/SmBiosMiscDxe/MiscSystemOptionStringFunction.c new file mode 100644 index 0000000000..414afd3abc --- /dev/null +++ b/Vlv2TbltDevicePkg/SmBiosMiscDxe/MiscSystemOptionStringFunction.c @@ -0,0 +1,98 @@ +/*++
+
+Copyright (c) 2009 - 2014, Intel Corporation. All rights reserved.<BR>
+
+ This program and the accompanying materials are licensed and made available under
+ the terms and conditions of the BSD License that accompanies this distribution.
+ The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php.
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+
+
+Module Name:
+
+ MiscSystemOptionStringFunction.c
+
+Abstract:
+
+ BIOS system option string boot time changes.
+ SMBIOS type 12.
+
+--*/
+
+
+#include "CommonHeader.h"
+
+#include "MiscSubclassDriver.h"
+
+
+/**
+ This function makes boot time changes to the contents of the
+ MiscSystemOptionString (Type 12).
+
+ @param RecordData Pointer to copy of RecordData from the Data Table.
+
+ @retval EFI_SUCCESS All parameters were valid.
+ @retval EFI_UNSUPPORTED Unexpected RecordType value.
+ @retval EFI_INVALID_PARAMETER Invalid parameter was found.
+
+**/
+MISC_SMBIOS_TABLE_FUNCTION(SystemOptionString)
+{
+ CHAR8 *OptionalStrStart;
+ UINTN OptStrLen;
+ EFI_STRING OptionString;
+ EFI_STATUS Status;
+ STRING_REF TokenToGet;
+ EFI_SMBIOS_HANDLE SmbiosHandle;
+ SMBIOS_TABLE_TYPE12 *SmbiosRecord;
+
+ //
+ // First check for invalid parameters.
+ //
+ if (RecordData == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ TokenToGet = STRING_TOKEN (STR_MISC_SYSTEM_OPTION_EN_US);
+ OptionString = SmbiosMiscGetString (TokenToGet);
+ OptStrLen = StrLen(OptionString);
+ if (OptStrLen > SMBIOS_STRING_MAX_LENGTH) {
+ return EFI_UNSUPPORTED;
+ }
+
+ //
+ // Two zeros following the last string.
+ //
+ SmbiosRecord = AllocatePool(sizeof (SMBIOS_TABLE_TYPE12) + OptStrLen + 1 + 1);
+ ZeroMem(SmbiosRecord, sizeof (SMBIOS_TABLE_TYPE12) + OptStrLen + 1 + 1);
+
+ SmbiosRecord->Hdr.Type = EFI_SMBIOS_TYPE_SYSTEM_CONFIGURATION_OPTIONS;
+ SmbiosRecord->Hdr.Length = sizeof (SMBIOS_TABLE_TYPE12);
+
+ //
+ // Make handle chosen by smbios protocol.add automatically.
+ //
+ SmbiosRecord->Hdr.Handle = 0;
+
+ SmbiosRecord->StringCount = 1;
+ OptionalStrStart = (CHAR8*) (SmbiosRecord + 1);
+ UnicodeStrToAsciiStr(OptionString, OptionalStrStart);
+
+ //
+ // Now we have got the full smbios record, call smbios protocol to add this record.
+ //
+ SmbiosHandle = SMBIOS_HANDLE_PI_RESERVED;
+ Status = Smbios-> Add(
+ Smbios,
+ NULL,
+ &SmbiosHandle,
+ (EFI_SMBIOS_TABLE_HEADER *) SmbiosRecord
+ );
+
+ FreePool(SmbiosRecord);
+ return Status;
+}
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