mirror of https://github.com/acidanthera/audk.git
123 lines
3.5 KiB
C
123 lines
3.5 KiB
C
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/*++
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Copyright (c) 2006, Intel Corporation
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All rights reserved. This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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Module Name:
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MiscSystemManufacturerFunction.c
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Abstract:
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This driver parses the mMiscSubclassDataTable structure and reports
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any generated data to the DataHub.
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--*/
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#include "MiscSubclassDriver.h"
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//
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//
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//
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MISC_SUBCLASS_TABLE_FUNCTION (
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MiscSystemManufacturer
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)
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/*++
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Description:
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This function makes boot time changes to the contents of the
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MiscSystemManufacturer (Type 13).
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Parameters:
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RecordType
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Type of record to be processed from the Data Table.
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mMiscSubclassDataTable[].RecordType
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RecordLen
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Size of static RecordData from the Data Table.
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mMiscSubclassDataTable[].RecordLen
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RecordData
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Pointer to copy of RecordData from the Data Table. Changes made
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to this copy will be written to the Data Hub but will not alter
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the contents of the static Data Table.
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LogRecordData
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Set *LogRecordData to TRUE to log RecordData to Data Hub.
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Set *LogRecordData to FALSE when there is no more data to log.
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Returns:
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EFI_SUCCESS
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All parameters were valid and *RecordData and *LogRecordData have
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been set.
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EFI_UNSUPPORTED
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Unexpected RecordType value.
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EFI_INVALID_PARAMETER
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One of the following parameter conditions was true:
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RecordLen was zero.
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RecordData was NULL.
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LogRecordData was NULL.
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--*/
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{
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STATIC BOOLEAN Done = FALSE;
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//
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// First check for invalid parameters.
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//
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if (*RecordLen == 0 || RecordData == NULL || LogRecordData == NULL) {
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return EFI_INVALID_PARAMETER;
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}
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//
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// Then check for unsupported RecordType.
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//
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if (RecordType != EFI_MISC_SYSTEM_MANUFACTURER_RECORD_NUMBER) {
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return EFI_UNSUPPORTED;
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}
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//
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// Is this the first time through this function?
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//
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if (!Done) {
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//
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// Yes, this is the first time. Inspect/Change the contents of the
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// RecordData structure.
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//
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//
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// Set system GUID.
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//
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// ((EFI_MISC_SYSTEM_MANUFACTURER_DATA *)RecordData)->SystemUuid = %%TBD
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//
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// Set power-on type.
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//
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// ((EFI_MISC_SYSTEM_MANUFACTURER_DATA *)RecordData)->SystemWakeupType = %%TBD
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//
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// Set Done flag to TRUE for next pass through this function.
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// Set *LogRecordData to TRUE so data will get logged to Data Hub.
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//
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Done = TRUE;
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*LogRecordData = TRUE;
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} else {
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//
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// No, this is the second time. Reset the state of the Done flag
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// to FALSE and tell the data logger that there is no more data
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// to be logged for this record type. If any memory allocations
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// were made by earlier passes, they must be released now.
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//
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Done = FALSE;
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*LogRecordData = FALSE;
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}
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return EFI_SUCCESS;
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}
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/* eof - MiscSystemManufacturerFunction.c */
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