161c26a7aa
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@1086 6f19259b-4bc3-4df7-8a09-765794883524
146 lines
5.1 KiB
C
146 lines
5.1 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 The function always return EFI_SUCCESS
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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) * 1024) + sizeof (MEMORY_STATUSCODE_PACKET_HEADER));
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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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