EDKT236, EDKT237, EDKT232, EDKT229 , EDKT233 git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@1418 6f19259b-4bc3-4df7-8a09-765794883524
		
			
				
	
	
		
			149 lines
		
	
	
		
			5.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			149 lines
		
	
	
		
			5.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/** @file
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  Memory status code worker in PEI.
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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:  MemoryStatusCodeWorker.c
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**/
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/**
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  Create one memory status code GUID'ed HOB, use PacketIndex 
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  to identify the packet.
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  @param   PacketIndex    Index of records packet. 
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  @return                 Always return pointer of memory status code packet.
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**/
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MEMORY_STATUSCODE_PACKET_HEADER *
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CreateMemoryStatusCodePacket (
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  UINT16 PacketIndex
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  )
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{
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  MEMORY_STATUSCODE_PACKET_HEADER *PacketHeader;
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  //
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  // Build GUID'ed HOB with PCD defined size.
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  //
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  PacketHeader =
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    (MEMORY_STATUSCODE_PACKET_HEADER *) BuildGuidHob (
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                                          &gMemoryStatusCodeRecordGuid, 
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                                          PcdGet16 (PcdStatusCodeMemorySize) * 
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                                          1024 +
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                                          sizeof (MEMORY_STATUSCODE_PACKET_HEADER)
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                                          );
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  ASSERT (PacketHeader != NULL);
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  PacketHeader->MaxRecordsNumber = (PcdGet16 (PcdStatusCodeMemorySize) * 1024)/ sizeof (MEMORY_STATUSCODE_RECORD);
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  PacketHeader->PacketIndex      = PacketIndex;
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  PacketHeader->RecordIndex      = 0;
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  return PacketHeader;
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}
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/**
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  Initialize memory status code.
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  Create one GUID'ed HOB with PCD defined size. If create required size 
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  GUID'ed HOB failed, then ASSERT().
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  @return           The function always return EFI_SUCCESS
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**/
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EFI_STATUS
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MemoryStatusCodeInitializeWorker (
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  VOID
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  )
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{
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  //
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  // Create first memory status code GUID'ed HOB.
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  //
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  CreateMemoryStatusCodePacket (0);
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  return EFI_SUCCESS;
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}
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/**
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  Report status code into GUID'ed HOB..
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  @param  CodeType      Indicates the type of status code being reported.  Type EFI_STATUS_CODE_TYPE is defined in "Related Definitions<6E><73> below.
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  @param  Value         Describes the current status of a hardware or software entity.  
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                        This included information about the class and subclass that is used to classify the entity 
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                        as well as an operation.  For progress codes, the operation is the current activity. 
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                        For error codes, it is the exception.  For debug codes, it is not defined at this time. 
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                        Type EFI_STATUS_CODE_VALUE is defined in <20><>Related Definitions<6E><73> below.  
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                        Specific values are discussed in the Intel? Platform Innovation Framework for EFI Status Code Specification.
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  @param  Instance      The enumeration of a hardware or software entity within the system.  
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                        A system may contain multiple entities that match a class/subclass pairing. 
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                        The instance differentiates between them.  An instance of 0 indicates that instance information is unavailable, 
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                        not meaningful, or not relevant.  Valid instance numbers start with 1.
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  @return               The function always return EFI_SUCCESS.
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**/
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EFI_STATUS
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MemoryStatusCodeReportWorker (
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  IN EFI_STATUS_CODE_TYPE     CodeType,
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  IN EFI_STATUS_CODE_VALUE    Value,
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  IN UINT32                   Instance
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  )
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{
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  EFI_PEI_HOB_POINTERS              Hob;
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  MEMORY_STATUSCODE_PACKET_HEADER   *PacketHeader;
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  MEMORY_STATUSCODE_RECORD          *Record     = NULL;
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  UINT16                            PacketIndex = 0;;
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  //
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  // Journal GUID'ed HOBs to find empty record entry, if found, then save status code in it.
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  // otherwise, create a new GUID'ed HOB.
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  //
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  Hob.Raw = GetFirstGuidHob (&gMemoryStatusCodeRecordGuid);
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  while (Hob.Raw != NULL) {
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    PacketHeader = (MEMORY_STATUSCODE_PACKET_HEADER *) GET_GUID_HOB_DATA (Hob.Guid);
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    //
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    // Check whether pccket is full or not.
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    //
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    if (PacketHeader->RecordIndex < PacketHeader->MaxRecordsNumber) {
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      Record = (MEMORY_STATUSCODE_RECORD *) (PacketHeader + 1);
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      Record = &Record[PacketHeader->RecordIndex++];
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      break;
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    }
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    //
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    // Cache number of found packet in PacketIndex.
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    //
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    PacketIndex++;
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    Hob.Raw = GetNextGuidHob (&gMemoryStatusCodeRecordGuid, Hob.Raw);
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  }
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  if (NULL == Record) {
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    //
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    // In order to save status code , create new packet. 
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    //
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    PacketHeader = CreateMemoryStatusCodePacket (PacketIndex);
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    Record = (MEMORY_STATUSCODE_RECORD *) (PacketHeader + 1); 
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    Record = &Record[PacketHeader->RecordIndex++];
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  }
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  Record->CodeType = CodeType;
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  Record->Instance = Instance;
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  Record->Value    = Value;
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  return EFI_SUCCESS;
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}
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