/*++ Copyright (c) 2012 - 2014, Intel Corporation. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent Module Name: MiscPhysicalArrayFunction.c Abstract: BIOS system Physical Array boot time changes. SMBIOS type 16. --*/ #include "CommonHeader.h" #include "MiscSubclassDriver.h" /** This function makes boot time changes to the contents of the MiscPhysicalArrayFunction (Type 16). @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(MiscPhysicalMemoryArray) { EFI_STATUS Status; EFI_SMBIOS_HANDLE SmbiosHandle; SMBIOS_TABLE_TYPE16 *SmbiosRecord; EFI_MEMORY_ARRAY_LOCATION_DATA *ForType16InputData; UINT32 TopOfMemory = 8 * 1024 * 1024; // // First check for invalid parameters. // if (RecordData == NULL) { return EFI_INVALID_PARAMETER; } ForType16InputData = (EFI_MEMORY_ARRAY_LOCATION_DATA *)RecordData; // // Two zeros following the last string. // SmbiosRecord = AllocatePool(sizeof (SMBIOS_TABLE_TYPE16) + 1); ZeroMem(SmbiosRecord, sizeof (SMBIOS_TABLE_TYPE16) + 1); SmbiosRecord->Hdr.Type = EFI_SMBIOS_TYPE_PHYSICAL_MEMORY_ARRAY; SmbiosRecord->Hdr.Length = sizeof (SMBIOS_TABLE_TYPE16); // // Make handle chosen by smbios protocol.add automatically. // SmbiosRecord->Hdr.Handle = 0; // // ReleaseDate will be the 3rd optional string following the formatted structure. // SmbiosRecord->Location = *(UINT8 *) &ForType16InputData ->MemoryArrayLocation; SmbiosRecord->Use = *(UINT8 *) &ForType16InputData ->MemoryArrayUse; SmbiosRecord->MemoryErrorCorrection = *(UINT8 *) &ForType16InputData->MemoryErrorCorrection; // // System does not provide the error information structure // SmbiosRecord->MemoryErrorInformationHandle = 0xFFFE; // // Maximum memory capacity // SmbiosRecord-> MaximumCapacity = TopOfMemory; SmbiosRecord-> NumberOfMemoryDevices= 0x02; // // 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; }