mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-12-18 15:27:48 +01:00
111 lines
3.9 KiB
C
111 lines
3.9 KiB
C
/** @file
|
|
Runtime memory status code worker.
|
|
|
|
Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
|
|
(C) Copyright 2016 Hewlett Packard Enterprise Development LP<BR>
|
|
SPDX-License-Identifier: BSD-2-Clause-Patent
|
|
|
|
**/
|
|
|
|
#include "StatusCodeHandlerRuntimeDxe.h"
|
|
|
|
RUNTIME_MEMORY_STATUSCODE_HEADER *mRtMemoryStatusCodeTable;
|
|
|
|
/**
|
|
Initialize runtime memory status code table as initialization for runtime memory status code worker
|
|
|
|
@retval EFI_SUCCESS Runtime memory status code table successfully initialized.
|
|
@retval others Errors from gBS->InstallConfigurationTable().
|
|
|
|
**/
|
|
EFI_STATUS
|
|
RtMemoryStatusCodeInitializeWorker (
|
|
VOID
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
|
|
//
|
|
// Allocate runtime memory status code pool.
|
|
//
|
|
mRtMemoryStatusCodeTable = AllocateRuntimePool (
|
|
sizeof (RUNTIME_MEMORY_STATUSCODE_HEADER) +
|
|
PcdGet16 (PcdStatusCodeMemorySize) * 1024
|
|
);
|
|
ASSERT (mRtMemoryStatusCodeTable != NULL);
|
|
|
|
mRtMemoryStatusCodeTable->RecordIndex = 0;
|
|
mRtMemoryStatusCodeTable->NumberOfRecords = 0;
|
|
mRtMemoryStatusCodeTable->MaxRecordsNumber =
|
|
(PcdGet16 (PcdStatusCodeMemorySize) * 1024) / sizeof (MEMORY_STATUSCODE_RECORD);
|
|
Status = gBS->InstallConfigurationTable (&gMemoryStatusCodeRecordGuid, mRtMemoryStatusCodeTable);
|
|
|
|
return Status;
|
|
}
|
|
|
|
|
|
/**
|
|
Report status code into runtime memory. If the runtime pool is full, roll back to the
|
|
first record and overwrite it.
|
|
|
|
@param CodeType Indicates the type of status code being reported.
|
|
@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.
|
|
@param Instance The enumeration of a hardware or software entity within
|
|
the system. 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 Status code successfully recorded in runtime memory status code table.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
RtMemoryStatusCodeReportWorker (
|
|
IN EFI_STATUS_CODE_TYPE CodeType,
|
|
IN EFI_STATUS_CODE_VALUE Value,
|
|
IN UINT32 Instance,
|
|
IN EFI_GUID *CallerId,
|
|
IN EFI_STATUS_CODE_DATA *Data OPTIONAL
|
|
)
|
|
{
|
|
MEMORY_STATUSCODE_RECORD *Record;
|
|
|
|
//
|
|
// Locate current record buffer.
|
|
//
|
|
Record = (MEMORY_STATUSCODE_RECORD *) (mRtMemoryStatusCodeTable + 1);
|
|
Record = &Record[mRtMemoryStatusCodeTable->RecordIndex++];
|
|
|
|
//
|
|
// Save status code.
|
|
//
|
|
Record->CodeType = CodeType;
|
|
Record->Value = Value;
|
|
Record->Instance = Instance;
|
|
|
|
//
|
|
// If record index equals to max record number, then wrap around record index to zero.
|
|
//
|
|
// The reader of status code should compare the number of records with max records number,
|
|
// If it is equal to or larger than the max number, then the wrap-around had happened,
|
|
// so the first record is pointed by record index.
|
|
// If it is less then max number, index of the first record is zero.
|
|
//
|
|
mRtMemoryStatusCodeTable->NumberOfRecords++;
|
|
if (mRtMemoryStatusCodeTable->RecordIndex == mRtMemoryStatusCodeTable->MaxRecordsNumber) {
|
|
//
|
|
// Wrap around record index.
|
|
//
|
|
mRtMemoryStatusCodeTable->RecordIndex = 0;
|
|
}
|
|
|
|
return EFI_SUCCESS;
|
|
}
|
|
|
|
|
|
|