Tan, Ming d4945b1027 MdeModulePkg/Universal/StatusCodeHandler: Fix a bug about log lost
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3126

1. If use PeiDxeDebugLibReportStatusCode as DebugLib, then some logs
after ExitBootService() will be lost.
2. The root cause:
2.1 The original code will register an unregister function
of gEfiEventExitBootServicesGuid, this unregister function will call
EFI_RSC_HANDLER_PROTOCOL->Unregister and does not support log through
serial port.
2.2 And some other drivers also register call back funtions of
gEfiEventExitBootServicesGuid.
2.3 Then after the unregister function is called, other call back
functions can't out log if them use RSC as DebugLib.
3. The DxeMain will report status code EFI_SW_BS_PC_EXIT_BOOT_SERVICES
after notify all the call back functions of
gEfiEventExitBootServicesGuid.
4. Solution: the StatusCodeHandlerRuntimeDxe.c will not register an
unregister function of gEfiEventExitBootServicesGuid, but unregister it
after receive the status code of EFI_SW_BS_PC_EXIT_BOOT_SERVICES.

Cc: Dandan Bi <dandan.bi@intel.com>
Cc: Liming Gao <gaoliming@byosoft.com.cn>
Signed-off-by: Ming Tan <ming.tan@intel.com>
Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>
Reviewed-by: Dandan Bi <dandan.bi@intel.com>
2020-12-22 08:23:51 +00:00

133 lines
4.8 KiB
C

/** @file
Internal include file for Status Code Handler Driver.
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
**/
#ifndef __STATUS_CODE_HANDLER_RUNTIME_DXE_H__
#define __STATUS_CODE_HANDLER_RUNTIME_DXE_H__
#include <Protocol/ReportStatusCodeHandler.h>
#include <Guid/MemoryStatusCodeRecord.h>
#include <Guid/StatusCodeDataTypeId.h>
#include <Guid/StatusCodeDataTypeDebug.h>
#include <Guid/EventGroup.h>
#include <Library/SynchronizationLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/DebugLib.h>
#include <Library/ReportStatusCodeLib.h>
#include <Library/PrintLib.h>
#include <Library/PcdLib.h>
#include <Library/HobLib.h>
#include <Library/UefiDriverEntryPoint.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/UefiRuntimeLib.h>
#include <Library/SerialPortLib.h>
//
// Define the maximum message length
//
#define MAX_DEBUG_MESSAGE_LENGTH 0x100
extern RUNTIME_MEMORY_STATUSCODE_HEADER *mRtMemoryStatusCodeTable;
/**
Locates Serial I/O Protocol as initialization for serial status code worker.
@retval EFI_SUCCESS Serial I/O Protocol is successfully located.
**/
EFI_STATUS
EfiSerialStatusCodeInitializeWorker (
VOID
);
/**
Convert status code value and extended data to readable ASCII string, send string to serial I/O device.
@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 reported to serial I/O successfully.
@retval EFI_DEVICE_ERROR EFI serial device cannot work after ExitBootService() is called.
@retval EFI_DEVICE_ERROR EFI serial device cannot work with TPL higher than TPL_CALLBACK.
**/
EFI_STATUS
EFIAPI
SerialStatusCodeReportWorker (
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
);
/**
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
);
/**
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
);
/**
Unregister status code callback functions only available at boot time from
report status code router when exiting boot services.
**/
VOID
EFIAPI
UnregisterSerialBootTimeHandlers (
VOID
);
#endif