mirror of https://github.com/acidanthera/audk.git
146 lines
5.1 KiB
C
146 lines
5.1 KiB
C
/** @file
|
||
Memory status code worker in PEI.
|
||
|
||
Copyright (c) 2006, 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.
|
||
|
||
Module Name: MemoryStatusCodeWorker.c
|
||
|
||
**/
|
||
|
||
/**
|
||
Create one memory status code GUID'ed HOB, use PacketIndex
|
||
to identify the packet.
|
||
|
||
@param PacketIndex Index of records packet.
|
||
|
||
@return The function always return EFI_SUCCESS
|
||
|
||
**/
|
||
MEMORY_STATUSCODE_PACKET_HEADER *
|
||
CreateMemoryStatusCodePacket (
|
||
UINT16 PacketIndex
|
||
)
|
||
{
|
||
MEMORY_STATUSCODE_PACKET_HEADER *PacketHeader;
|
||
|
||
//
|
||
// Build GUID'ed HOB with PCD defined size.
|
||
//
|
||
PacketHeader =
|
||
(MEMORY_STATUSCODE_PACKET_HEADER *) 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;
|
||
}
|
||
|
||
|
||
|
||
/**
|
||
Initialize memory status code.
|
||
Create one GUID'ed HOB with PCD defined size. If create required size
|
||
GUID'ed HOB failed, then ASSERT().
|
||
|
||
@return The function always return EFI_SUCCESS
|
||
|
||
**/
|
||
EFI_STATUS
|
||
MemoryStatusCodeInitializeWorker (
|
||
VOID
|
||
)
|
||
{
|
||
//
|
||
// Create first memory status code GUID'ed HOB.
|
||
//
|
||
CreateMemoryStatusCodePacket (0);
|
||
|
||
return EFI_SUCCESS;
|
||
}
|
||
|
||
|
||
/**
|
||
Report status code into GUID'ed HOB..
|
||
|
||
@param CodeType Indicates the type of status code being reported. Type EFI_STATUS_CODE_TYPE is defined in "Related Definitions<6E><73> below.
|
||
|
||
@param Value Describes the current status of a hardware or software entity.
|
||
This included 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.
|
||
Type EFI_STATUS_CODE_VALUE is defined in <20><>Related Definitions<6E><73> below.
|
||
Specific values are discussed in the Intel? Platform Innovation Framework for EFI Status Code Specification.
|
||
|
||
@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.
|
||
|
||
@return The function always return EFI_SUCCESS.
|
||
|
||
**/
|
||
EFI_STATUS
|
||
MemoryStatusCodeReportWorker (
|
||
IN EFI_STATUS_CODE_TYPE CodeType,
|
||
IN EFI_STATUS_CODE_VALUE Value,
|
||
IN UINT32 Instance
|
||
)
|
||
{
|
||
|
||
EFI_PEI_HOB_POINTERS Hob;
|
||
MEMORY_STATUSCODE_PACKET_HEADER *PacketHeader;
|
||
MEMORY_STATUSCODE_RECORD *Record = NULL;
|
||
UINT16 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 (NULL == Record) {
|
||
//
|
||
// In order to save status code , 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;
|
||
}
|