mirror of https://github.com/acidanthera/audk.git
102 lines
2.9 KiB
C
102 lines
2.9 KiB
C
/*++
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Copyright (c) 2012 - 2014, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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Module Name:
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MiscPhysicalArrayFunction.c
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Abstract:
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BIOS system Physical Array boot time changes.
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SMBIOS type 16.
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--*/
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#include "CommonHeader.h"
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#include "MiscSubclassDriver.h"
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/**
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This function makes boot time changes to the contents of the
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MiscPhysicalArrayFunction (Type 16).
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@param RecordData Pointer to copy of RecordData from the Data Table.
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@retval EFI_SUCCESS All parameters were valid.
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@retval EFI_UNSUPPORTED Unexpected RecordType value.
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@retval EFI_INVALID_PARAMETER Invalid parameter was found.
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**/
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MISC_SMBIOS_TABLE_FUNCTION(MiscPhysicalMemoryArray)
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{
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EFI_STATUS Status;
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EFI_SMBIOS_HANDLE SmbiosHandle;
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SMBIOS_TABLE_TYPE16 *SmbiosRecord;
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EFI_MEMORY_ARRAY_LOCATION_DATA *ForType16InputData;
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UINT32 TopOfMemory = 8 * 1024 * 1024;
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//
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// First check for invalid parameters.
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//
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if (RecordData == NULL) {
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return EFI_INVALID_PARAMETER;
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}
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ForType16InputData = (EFI_MEMORY_ARRAY_LOCATION_DATA *)RecordData;
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//
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// Two zeros following the last string.
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//
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SmbiosRecord = AllocatePool(sizeof (SMBIOS_TABLE_TYPE16) + 1);
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ZeroMem(SmbiosRecord, sizeof (SMBIOS_TABLE_TYPE16) + 1);
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SmbiosRecord->Hdr.Type = EFI_SMBIOS_TYPE_PHYSICAL_MEMORY_ARRAY;
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SmbiosRecord->Hdr.Length = sizeof (SMBIOS_TABLE_TYPE16);
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//
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// Make handle chosen by smbios protocol.add automatically.
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//
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SmbiosRecord->Hdr.Handle = 0;
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//
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// ReleaseDate will be the 3rd optional string following the formatted structure.
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//
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SmbiosRecord->Location = *(UINT8 *) &ForType16InputData ->MemoryArrayLocation;
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SmbiosRecord->Use = *(UINT8 *) &ForType16InputData ->MemoryArrayUse;
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SmbiosRecord->MemoryErrorCorrection = *(UINT8 *) &ForType16InputData->MemoryErrorCorrection;
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//
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// System does not provide the error information structure
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//
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SmbiosRecord->MemoryErrorInformationHandle = 0xFFFE;
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//
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// Maximum memory capacity
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//
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SmbiosRecord-> MaximumCapacity = TopOfMemory;
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SmbiosRecord-> NumberOfMemoryDevices= 0x02;
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//
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// Now we have got the full smbios record, call smbios protocol to add this record.
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//
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SmbiosHandle = SMBIOS_HANDLE_PI_RESERVED;
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Status = Smbios-> Add(
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Smbios,
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NULL,
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&SmbiosHandle,
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(EFI_SMBIOS_TABLE_HEADER *) SmbiosRecord
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);
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FreePool(SmbiosRecord);
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return Status;
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}
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