diff options
Diffstat (limited to 'MdeModulePkg/Universal/StatusCodeHandler/Pei/MemoryStausCodeWorker.c')
-rw-r--r-- | MdeModulePkg/Universal/StatusCodeHandler/Pei/MemoryStausCodeWorker.c | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/MdeModulePkg/Universal/StatusCodeHandler/Pei/MemoryStausCodeWorker.c b/MdeModulePkg/Universal/StatusCodeHandler/Pei/MemoryStausCodeWorker.c new file mode 100644 index 0000000000..f04a17495a --- /dev/null +++ b/MdeModulePkg/Universal/StatusCodeHandler/Pei/MemoryStausCodeWorker.c @@ -0,0 +1,153 @@ +/** @file
+ PEI memory status code worker.
+
+ Copyright (c) 2006 - 2009, Intel Corporation
+ All rights reserved. This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD License
+ which accompanies this distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#include "StatusCodeHandlerPei.h"
+
+/**
+ Worker function to create one memory status code GUID'ed HOB,
+ using PacketIndex to identify the packet.
+
+ @param PacketIndex Index of records packet.
+
+ @return Pointer to the memory status code packet.
+
+**/
+MEMORY_STATUSCODE_PACKET_HEADER *
+CreateMemoryStatusCodePacket (
+ UINT16 PacketIndex
+ )
+{
+ MEMORY_STATUSCODE_PACKET_HEADER *PacketHeader;
+
+ //
+ // Build GUID'ed HOB with PCD defined size.
+ //
+ PacketHeader = BuildGuidHob (
+ &gMemoryStatusCodeRecordGuid,
+ PcdGet16 (PcdStatusCodeMemorySize) * 1024 + sizeof (MEMORY_STATUSCODE_PACKET_HEADER)
+ );
+ ASSERT (PacketHeader != NULL);
+
+ PacketHeader->MaxRecordsNumber = (PcdGet16 (PcdStatusCodeMemorySize) * 1024) / sizeof (MEMORY_STATUSCODE_RECORD);
+ PacketHeader->PacketIndex = PacketIndex;
+ PacketHeader->RecordIndex = 0;
+
+ return PacketHeader;
+}
+
+/**
+ Create the first memory status code GUID'ed HOB as initialization for memory status code worker.
+
+ @retval EFI_SUCCESS The GUID'ed HOB is created successfully.
+
+**/
+EFI_STATUS
+MemoryStatusCodeInitializeWorker (
+ VOID
+ )
+{
+ //
+ // Create first memory status code GUID'ed HOB.
+ //
+ CreateMemoryStatusCodePacket (0);
+
+ return EFI_SUCCESS;
+}
+
+
+/**
+ Report status code into GUID'ed HOB.
+
+ This function reports status code into GUID'ed HOB. If not all packets are full, then
+ write status code into available entry. Otherwise, create a new packet for it.
+
+ @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation.
+ @param CodeType Indicates the type of status code being reported.
+ @param Value Describes the current status of a hardware or
+ software entity. This includes information about the class and
+ subclass that is used to classify the entity as well as an operation.
+ For progress codes, the operation is the current activity.
+ For error codes, it is the exception.For debug codes,it is not defined at this time.
+ @param Instance The enumeration of a hardware or software entity within
+ the system. A system may contain multiple entities that match a class/subclass
+ pairing. The instance differentiates between them. An instance of 0 indicates
+ that instance information is unavailable, not meaningful, or not relevant.
+ Valid instance numbers start with 1.
+ @param CallerId This optional parameter may be used to identify the caller.
+ This parameter allows the status code driver to apply different rules to
+ different callers.
+ @param Data This optional parameter may be used to pass additional data.
+
+ @retval EFI_SUCCESS The function always return EFI_SUCCESS.
+
+**/
+EFI_STATUS
+MemoryStatusCodeReportWorker (
+ IN CONST EFI_PEI_SERVICES **PeiServices,
+ IN EFI_STATUS_CODE_TYPE CodeType,
+ IN EFI_STATUS_CODE_VALUE Value,
+ IN UINT32 Instance,
+ IN CONST EFI_GUID *CallerId,
+ IN CONST EFI_STATUS_CODE_DATA *Data OPTIONAL
+ )
+{
+
+ EFI_PEI_HOB_POINTERS Hob;
+ MEMORY_STATUSCODE_PACKET_HEADER *PacketHeader;
+ MEMORY_STATUSCODE_RECORD *Record;
+ UINT16 PacketIndex;
+
+ Record = NULL;
+ PacketIndex = 0;
+
+ //
+ // Journal GUID'ed HOBs to find empty record entry. if found, then save status code in it.
+ // otherwise, create a new GUID'ed HOB.
+ //
+ Hob.Raw = GetFirstGuidHob (&gMemoryStatusCodeRecordGuid);
+ while (Hob.Raw != NULL) {
+ PacketHeader = (MEMORY_STATUSCODE_PACKET_HEADER *) GET_GUID_HOB_DATA (Hob.Guid);
+
+ //
+ // Check whether pccket is full or not.
+ //
+ if (PacketHeader->RecordIndex < PacketHeader->MaxRecordsNumber) {
+ Record = (MEMORY_STATUSCODE_RECORD *) (PacketHeader + 1);
+ Record = &Record[PacketHeader->RecordIndex++];
+ break;
+ }
+ //
+ // Cache number of found packet in PacketIndex.
+ //
+ PacketIndex++;
+
+ Hob.Raw = GetNextGuidHob (&gMemoryStatusCodeRecordGuid, Hob.Raw);
+ }
+
+ if (Record == NULL) {
+ //
+ // No available entry found, so create new packet.
+ //
+ PacketHeader = CreateMemoryStatusCodePacket (PacketIndex);
+
+ Record = (MEMORY_STATUSCODE_RECORD *) (PacketHeader + 1);
+ Record = &Record[PacketHeader->RecordIndex++];
+ }
+
+ Record->CodeType = CodeType;
+ Record->Instance = Instance;
+ Record->Value = Value;
+
+ return EFI_SUCCESS;
+}
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