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Refine DxeReportStatusCodeLib and RuntimeDxeReportStatusCodeLib.

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git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9651 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
xli24
2009-12-31 03:53:06 +00:00
parent ff482c5692
commit 4adf000886
6 changed files with 258 additions and 339 deletions
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3
MdeModulePkg/Library/DxeReportStatusCodeLib/DxeReportStatusCodeLib.inf
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@ -38,7 +38,6 @@
[LibraryClasses] [LibraryClasses]
PcdLib PcdLib
BaseMemoryLib BaseMemoryLib
MemoryAllocationLib
UefiBootServicesTableLib UefiBootServicesTableLib
DebugLib DebugLib
UefiRuntimeServicesTableLib UefiRuntimeServicesTableLib
@ -49,7 +48,7 @@
gEfiStatusCodeDataTypeDebugGuid ## CONSUMES gEfiStatusCodeDataTypeDebugGuid ## CONSUMES
[Protocols] [Protocols]
gEfiStatusCodeRuntimeProtocolGuid ## SOMETIMES_CONSUMES (Used if revision of the EFI Specification is not less than 0x20000) gEfiStatusCodeRuntimeProtocolGuid ## CONSUMES
[Pcd.common] [Pcd.common]
gEfiMdePkgTokenSpaceGuid.PcdReportStatusCodePropertyMask gEfiMdePkgTokenSpaceGuid.PcdReportStatusCodePropertyMask

63
MdeModulePkg/Library/DxeReportStatusCodeLib/ReportStatusCodeLib.c
View File

@ -13,53 +13,56 @@
**/ **/
#include <Library/ReportStatusCodeLib.h> #include <Library/ReportStatusCodeLib.h>
#include <Library/BaseLib.h>
#include <Library/DebugLib.h> #include <Library/DebugLib.h>
#include <Library/UefiBootServicesTableLib.h> #include <Library/UefiBootServicesTableLib.h>
#include <Library/BaseLib.h>
#include <Library/BaseMemoryLib.h> #include <Library/BaseMemoryLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/PcdLib.h> #include <Library/PcdLib.h>
#include <Library/UefiRuntimeServicesTableLib.h>
#include <Library/DevicePathLib.h> #include <Library/DevicePathLib.h>
#include <Protocol/StatusCode.h>
#include <Guid/StatusCodeDataTypeId.h> #include <Guid/StatusCodeDataTypeId.h>
#include <Guid/StatusCodeDataTypeDebug.h> #include <Guid/StatusCodeDataTypeDebug.h>
#include <Protocol/StatusCode.h>
EFI_REPORT_STATUS_CODE mReportStatusCode = NULL; EFI_STATUS_CODE_PROTOCOL *mReportStatusCodeLibStatusCodeProtocol = NULL;
/** /**
Locate the report status code service. Locate the report status code service.
@return Function pointer to the report status code service. Retrieve ReportStatusCode() API of Report Status Code Protocol.
NULL is returned if no status code service is available.
**/ **/
EFI_REPORT_STATUS_CODE VOID
InternalGetReportStatusCode ( InternalGetReportStatusCode (
VOID VOID
) )
{ {
EFI_STATUS_CODE_PROTOCOL *StatusCodeProtocol; EFI_STATUS Status;
EFI_STATUS Status;
if (gBS != NULL && gBS->LocateProtocol != NULL) { if (mReportStatusCodeLibStatusCodeProtocol != NULL) {
Status = gBS->LocateProtocol (&gEfiStatusCodeRuntimeProtocolGuid, NULL, (VOID**)&StatusCodeProtocol); return;
if (!EFI_ERROR (Status) && StatusCodeProtocol != NULL) {
return StatusCodeProtocol->ReportStatusCode;
}
} }
return NULL; //
// Check gBS just in case ReportStatusCode is called before gBS is initialized.
//
if (gBS != NULL && gBS->LocateProtocol != NULL) {
Status = gBS->LocateProtocol (&gEfiStatusCodeRuntimeProtocolGuid, NULL, (VOID**) &mReportStatusCodeLibStatusCodeProtocol);
if (EFI_ERROR (Status)) {
mReportStatusCodeLibStatusCodeProtocol = NULL;
}
}
} }
/** /**
Internal worker function that reports a status code through the status code service. Internal worker function that reports a status code through the Report Status Code Protocol.
If status code service is not cached, then this function checks if status code service is If status code service is not cached, then this function checks if Report Status Code
available in system. If status code service is not available, then EFI_UNSUPPORTED is Protocol is available in system. If Report Status Code Protocol is not available, then
returned. If status code service is present, then it is cached in mReportStatusCode. EFI_UNSUPPORTED is returned. If Report Status Code Protocol is present, then it is
Finally this function reports status code through the status code service. cached in mReportStatusCodeLibStatusCodeProtocol. Finally this function reports status
code through the Report Status Code Protocol.
@param Type Status code type. @param Type Status code type.
@param Value Status code value. @param Value Status code value.
@ -71,7 +74,7 @@ InternalGetReportStatusCode (
optional parameter that may be NULL. optional parameter that may be NULL.
@retval EFI_SUCCESS The status code was reported. @retval EFI_SUCCESS The status code was reported.
@retval EFI_UNSUPPORTED Status code service is not available. @retval EFI_UNSUPPORTED Report Status Code Protocol is not available.
@retval EFI_UNSUPPORTED Status code type is not supported. @retval EFI_UNSUPPORTED Status code type is not supported.
**/ **/
@ -88,19 +91,17 @@ InternalReportStatusCode (
(ReportErrorCodeEnabled() && ((Type) & EFI_STATUS_CODE_TYPE_MASK) == EFI_ERROR_CODE) || (ReportErrorCodeEnabled() && ((Type) & EFI_STATUS_CODE_TYPE_MASK) == EFI_ERROR_CODE) ||
(ReportDebugCodeEnabled() && ((Type) & EFI_STATUS_CODE_TYPE_MASK) == EFI_DEBUG_CODE)) { (ReportDebugCodeEnabled() && ((Type) & EFI_STATUS_CODE_TYPE_MASK) == EFI_DEBUG_CODE)) {
// //
// If mReportStatusCode is NULL, then check if status code service is available in system. // If mReportStatusCodeLibStatusCodeProtocol is NULL, then check if Report Status Code Protocol is available in system.
// //
if (mReportStatusCode == NULL) { InternalGetReportStatusCode ();
mReportStatusCode = InternalGetReportStatusCode (); if (mReportStatusCodeLibStatusCodeProtocol == NULL) {
if (mReportStatusCode == NULL) { return EFI_UNSUPPORTED;
return EFI_UNSUPPORTED;
}
} }
// //
// A status code service is present in system, so pass in all the parameters to the service. // A Report Status Code Protocol is present in system, so pass in all the parameters to the service.
// //
return (*mReportStatusCode) (Type, Value, Instance, (EFI_GUID *)CallerId, Data); return mReportStatusCodeLibStatusCodeProtocol->ReportStatusCode (Type, Value, Instance, (EFI_GUID *)CallerId, Data);
} }
return EFI_UNSUPPORTED; return EFI_UNSUPPORTED;

232
MdeModulePkg/Library/RuntimeDxeReportStatusCodeLib/ReportStatusCodeLib.c
View File

@ -12,7 +12,198 @@
**/ **/
#include "ReportStatusCodeLibInternal.h" #include <Library/ReportStatusCodeLib.h>
#include <Library/BaseLib.h>
#include <Library/DebugLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/PcdLib.h>
#include <Library/DevicePathLib.h>
#include <Library/UefiRuntimeLib.h>
#include <Protocol/StatusCode.h>
#include <Guid/StatusCodeDataTypeId.h>
#include <Guid/StatusCodeDataTypeDebug.h>
#include <Guid/EventGroup.h>
EFI_STATUS_CODE_PROTOCOL *mReportStatusCodeLibStatusCodeProtocol = NULL;
EFI_EVENT mReportStatusCodeLibVirtualAddressChangeEvent;
/**
Locate the report status code service.
Retrieve ReportStatusCode() API of Report Status Code Protocol.
**/
VOID
InternalGetReportStatusCode (
VOID
)
{
EFI_STATUS Status;
if (mReportStatusCodeLibStatusCodeProtocol != NULL) {
return;
}
if (EfiAtRuntime ()) {
return;
}
//
// Check gBS just in case ReportStatusCode is called before gBS is initialized.
//
if (gBS != NULL && gBS->LocateProtocol != NULL) {
Status = gBS->LocateProtocol (&gEfiStatusCodeRuntimeProtocolGuid, NULL, (VOID**) &mReportStatusCodeLibStatusCodeProtocol);
if (EFI_ERROR (Status)) {
mReportStatusCodeLibStatusCodeProtocol = NULL;
}
}
}
/**
Notification function of EVT_SIGNAL_VIRTUAL_ADDRESS_CHANGE.
@param Event Event whose notification function is being invoked.
@param Context Pointer to the notification function's context
**/
VOID
EFIAPI
ReportStatusCodeLibVirtualAddressChange (
IN EFI_EVENT Event,
IN VOID *Context
)
{
if (mReportStatusCodeLibStatusCodeProtocol == NULL) {
return;
}
EfiConvertPointer (0, (VOID **) &mReportStatusCodeLibStatusCodeProtocol);
}
/**
The constructor function of Runtime DXE Report Status Code Lib.
This function allocates memory for extended status code data, caches
the report status code service, and registers events.
@param ImageHandle The firmware allocated handle for the EFI image.
@param SystemTable A pointer to the EFI System Table.
@retval EFI_SUCCESS The constructor always returns EFI_SUCCESS.
**/
EFI_STATUS
EFIAPI
ReportStatusCodeLibConstructor (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_STATUS Status;
//
// Cache the report status code service
//
InternalGetReportStatusCode ();
//
// Register notify function for EVT_SIGNAL_VIRTUAL_ADDRESS_CHANGE
//
Status = gBS->CreateEventEx (
EVT_NOTIFY_SIGNAL,
TPL_NOTIFY,
ReportStatusCodeLibVirtualAddressChange,
NULL,
&gEfiEventVirtualAddressChangeGuid,
&mReportStatusCodeLibVirtualAddressChangeEvent
);
ASSERT_EFI_ERROR (Status);
return EFI_SUCCESS;
}
/**
The destructor function of Runtime DXE Report Status Code Lib.
The destructor function frees memory allocated by constructor, and closes related events.
It will ASSERT() if that related operation fails and it will always return EFI_SUCCESS.
@param ImageHandle The firmware allocated handle for the EFI image.
@param SystemTable A pointer to the EFI System Table.
@retval EFI_SUCCESS The constructor always returns EFI_SUCCESS.
**/
EFI_STATUS
EFIAPI
ReportStatusCodeLibDestructor (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_STATUS Status;
ASSERT (gBS != NULL);
Status = gBS->CloseEvent (mReportStatusCodeLibVirtualAddressChangeEvent);
ASSERT_EFI_ERROR (Status);
return EFI_SUCCESS;
}
/**
Internal worker function that reports a status code through the Report Status Code Protocol.
If status code service is not cached, then this function checks if Report Status Code
Protocol is available in system. If Report Status Code Protocol is not available, then
EFI_UNSUPPORTED is returned. If Report Status Code Protocol is present, then it is
cached in mReportStatusCodeLibStatusCodeProtocol. Finally this function reports status
code through the Report Status Code Protocol.
@param Type Status code type.
@param Value Status code value.
@param Instance Status code instance number.
@param CallerId Pointer to a GUID that identifies the caller of this
function. This is an optional parameter that may be
NULL.
@param Data Pointer to the extended data buffer. This is an
optional parameter that may be NULL.
@retval EFI_SUCCESS The status code was reported.
@retval EFI_UNSUPPORTED Report Status Code Protocol is not available.
@retval EFI_UNSUPPORTED Status code type is not supported.
**/
EFI_STATUS
InternalReportStatusCode (
IN EFI_STATUS_CODE_TYPE Type,
IN EFI_STATUS_CODE_VALUE Value,
IN UINT32 Instance,
IN CONST EFI_GUID *CallerId OPTIONAL,
IN EFI_STATUS_CODE_DATA *Data OPTIONAL
)
{
if ((ReportProgressCodeEnabled() && ((Type) & EFI_STATUS_CODE_TYPE_MASK) == EFI_PROGRESS_CODE) ||
(ReportErrorCodeEnabled() && ((Type) & EFI_STATUS_CODE_TYPE_MASK) == EFI_ERROR_CODE) ||
(ReportDebugCodeEnabled() && ((Type) & EFI_STATUS_CODE_TYPE_MASK) == EFI_DEBUG_CODE)) {
//
// If mReportStatusCodeLibStatusCodeProtocol is NULL, then check if Report Status Code Protocol is available in system.
//
InternalGetReportStatusCode ();
if (mReportStatusCodeLibStatusCodeProtocol == NULL) {
return EFI_UNSUPPORTED;
}
//
// A Report Status Code Protocol is present in system, so pass in all the parameters to the service.
//
return mReportStatusCodeLibStatusCodeProtocol->ReportStatusCode (Type, Value, Instance, (EFI_GUID *)CallerId, Data);
}
return EFI_UNSUPPORTED;
}
/** /**
Converts a status code to an 8-bit POST code value. Converts a status code to an 8-bit POST code value.
@ -389,29 +580,47 @@ ReportStatusCodeEx (
) )
{ {
EFI_STATUS Status; EFI_STATUS Status;
EFI_STATUS_CODE_DATA *StatusCodeData;
UINT8 StatusCodeBuffer[EFI_STATUS_CODE_DATA_MAX_SIZE];
ASSERT (!((ExtendedData == NULL) && (ExtendedDataSize != 0))); ASSERT (!((ExtendedData == NULL) && (ExtendedDataSize != 0)));
ASSERT (!((ExtendedData != NULL) && (ExtendedDataSize == 0))); ASSERT (!((ExtendedData != NULL) && (ExtendedDataSize == 0)));
if (ExtendedDataSize > EFI_STATUS_CODE_DATA_MAX_SIZE) { if (EfiAtRuntime ()) {
return EFI_OUT_OF_RESOURCES; if (sizeof (EFI_STATUS_CODE_DATA) + ExtendedDataSize > EFI_STATUS_CODE_DATA_MAX_SIZE) {
return EFI_OUT_OF_RESOURCES;
}
StatusCodeData = (EFI_STATUS_CODE_DATA *)StatusCodeBuffer;
} else {
if (gBS == NULL || gBS->AllocatePool == NULL || gBS->FreePool == NULL) {
return EFI_UNSUPPORTED;
}
//
// Allocate space for the Status Code Header and its buffer
//
StatusCodeData = NULL;
gBS->AllocatePool (EfiBootServicesData, sizeof (EFI_STATUS_CODE_DATA) + ExtendedDataSize, (VOID **)&StatusCodeData);
if (StatusCodeData == NULL) {
return EFI_OUT_OF_RESOURCES;
}
} }
// //
// Fill in the extended data header // Fill in the extended data header
// //
mStatusCodeData->HeaderSize = sizeof (EFI_STATUS_CODE_DATA); StatusCodeData->HeaderSize = sizeof (EFI_STATUS_CODE_DATA);
mStatusCodeData->Size = (UINT16)ExtendedDataSize; StatusCodeData->Size = (UINT16)ExtendedDataSize;
if (ExtendedDataGuid == NULL) { if (ExtendedDataGuid == NULL) {
ExtendedDataGuid = &gEfiStatusCodeSpecificDataGuid; ExtendedDataGuid = &gEfiStatusCodeSpecificDataGuid;
} }
CopyGuid (&mStatusCodeData->Type, ExtendedDataGuid); CopyGuid (&StatusCodeData->Type, ExtendedDataGuid);
// //
// Fill in the extended data buffer // Fill in the extended data buffer
// //
if (ExtendedData != NULL) { if (ExtendedData != NULL) {
CopyMem (mStatusCodeData + 1, ExtendedData, ExtendedDataSize); CopyMem (StatusCodeData + 1, ExtendedData, ExtendedDataSize);
} }
// //
@ -420,7 +629,14 @@ ReportStatusCodeEx (
if (CallerId == NULL) { if (CallerId == NULL) {
CallerId = &gEfiCallerIdGuid; CallerId = &gEfiCallerIdGuid;
} }
Status = InternalReportStatusCode (Type, Value, Instance, CallerId, mStatusCodeData); Status = InternalReportStatusCode (Type, Value, Instance, CallerId, StatusCodeData);
//
// Free the allocated buffer
//
if (!EfiAtRuntime()) {
gBS->FreePool (StatusCodeData);
}
return Status; return Status;
} }

85
MdeModulePkg/Library/RuntimeDxeReportStatusCodeLib/ReportStatusCodeLibInternal.h
View File

@ -1,85 +0,0 @@
/** @file
Internal Header file of Report Status Code Library for RUNTIME
DXE Phase.
Copyright (c) 2006 - 2009, Intel Corporation<BR>
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.
**/
#ifndef __REPORT_STATUS_CODE_LIB_INTERNAL__H__
#define __REPORT_STATUS_CODE_LIB_INTERNAL__H__
#include <Library/ReportStatusCodeLib.h>
#include <Library/DebugLib.h>
#include <Library/BaseLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/PcdLib.h>
#include <Library/UefiRuntimeServicesTableLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/DevicePathLib.h>
#include <Library/OemHookStatusCodeLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/UefiRuntimeLib.h>
#include <Guid/StatusCodeDataTypeId.h>
#include <Guid/StatusCodeDataTypeDebug.h>
#include <Guid/EventGroup.h>
#include <Protocol/StatusCode.h>
extern EFI_STATUS_CODE_DATA *mStatusCodeData;
/**
Locate the report status code service.
It first tries to retrieve ReportStatusCode() in Runtime Services Table.
If not found, it then tries to retrieve ReportStatusCode() API of Report Status Code Protocol.
@return Function pointer to the report status code service.
NULL is returned if no status code service is available.
**/
EFI_REPORT_STATUS_CODE
InternalGetReportStatusCode (
VOID
);
/**
Internal worker function that reports a status code through the status code service.
If status code service is not cached, then this function checks if status code service is
available in system. If status code service is not available, then EFI_UNSUPPORTED is
returned. If status code service is present, then it is cached in mReportStatusCode.
Finally this function reports status code through the status code service.
@param Type Status code type.
@param Value Status code value.
@param Instance Status code instance number.
@param CallerId Pointer to a GUID that identifies the caller of this
function. This is an optional parameter that may be
NULL.
@param Data Pointer to the extended data buffer. This is an
optional parameter that may be NULL.
@retval EFI_SUCCESS The status code was reported.
@retval EFI_UNSUPPORTED Status code service is not available.
@retval EFI_UNSUPPORTED Status code type is not supported.
**/
EFI_STATUS
InternalReportStatusCode (
IN EFI_STATUS_CODE_TYPE Type,
IN EFI_STATUS_CODE_VALUE Value,
IN UINT32 Instance,
IN CONST EFI_GUID *CallerId OPTIONAL,
IN EFI_STATUS_CODE_DATA *Data OPTIONAL
);
#endif

7
MdeModulePkg/Library/RuntimeDxeReportStatusCodeLib/RuntimeDxeReportStatusCodeLib.inf
View File

@ -26,13 +26,11 @@
# #
# The following information is for reference only and not required by the build tools. # The following information is for reference only and not required by the build tools.
# #
# VALID_ARCHITECTURES = IA32 X64 EBC # VALID_ARCHITECTURES = IA32 X64 IPF EBC
# #
[Sources.common] [Sources.common]
ReportStatusCodeLib.c ReportStatusCodeLib.c
RuntimeDxeSupport.c
ReportStatusCodeLibInternal.h
[Packages] [Packages]
MdePkg/MdePkg.dec MdePkg/MdePkg.dec
@ -43,11 +41,8 @@
BaseMemoryLib BaseMemoryLib
BaseLib BaseLib
DebugLib DebugLib
UefiRuntimeServicesTableLib
UefiBootServicesTableLib UefiBootServicesTableLib
OemHookStatusCodeLib
DevicePathLib DevicePathLib
MemoryAllocationLib
UefiRuntimeLib UefiRuntimeLib
[Guids] [Guids]

207
MdeModulePkg/Library/RuntimeDxeReportStatusCodeLib/RuntimeDxeSupport.c
View File

@ -1,207 +0,0 @@
/** @file
Library constructor & destructor, event handlers, and other internal worker functions.
Copyright (c) 2006 - 2009, Intel Corporation<BR>
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 "ReportStatusCodeLibInternal.h"
EFI_EVENT mStatusCodeVirtualAddressChangeEvent;
EFI_STATUS_CODE_DATA *mStatusCodeData;
EFI_RUNTIME_SERVICES *mStatusCodeInternalRT;
EFI_REPORT_STATUS_CODE mReportStatusCode = NULL;
/**
Locate the report status code service.
It first tries to retrieve ReportStatusCode() in Runtime Services Table.
If not found, it then tries to retrieve ReportStatusCode() API of Report Status Code Protocol.
@return Function pointer to the report status code service.
NULL is returned if no status code service is available.
**/
EFI_REPORT_STATUS_CODE
InternalGetReportStatusCode (
VOID
)
{
EFI_STATUS_CODE_PROTOCOL *StatusCodeProtocol;
EFI_STATUS Status;
if (!EfiAtRuntime ()) {
//
// Check gBS just in case. ReportStatusCode is called before gBS is initialized.
//
if (gBS != NULL) {
Status = gBS->LocateProtocol (&gEfiStatusCodeRuntimeProtocolGuid, NULL, (VOID**) &StatusCodeProtocol);
if (!EFI_ERROR (Status) && StatusCodeProtocol != NULL) {
return StatusCodeProtocol->ReportStatusCode;
}
}
}
return NULL;
}
/**
Internal worker function that reports a status code through the status code service.
If status code service is not cached, then this function checks if status code service is
available in system. If status code service is not available, then EFI_UNSUPPORTED is
returned. If status code service is present, then it is cached in mReportStatusCode.
Finally this function reports status code through the status code service.
@param Type Status code type.
@param Value Status code value.
@param Instance Status code instance number.
@param CallerId Pointer to a GUID that identifies the caller of this
function. This is an optional parameter that may be
NULL.
@param Data Pointer to the extended data buffer. This is an
optional parameter that may be NULL.
@retval EFI_SUCCESS The status code was reported.
@retval EFI_UNSUPPORTED Status code service is not available.
@retval EFI_UNSUPPORTED Status code type is not supported.
**/
EFI_STATUS
InternalReportStatusCode (
IN EFI_STATUS_CODE_TYPE Type,
IN EFI_STATUS_CODE_VALUE Value,
IN UINT32 Instance,
IN CONST EFI_GUID *CallerId OPTIONAL,
IN EFI_STATUS_CODE_DATA *Data OPTIONAL
)
{
if ((ReportProgressCodeEnabled() && ((Type) & EFI_STATUS_CODE_TYPE_MASK) == EFI_PROGRESS_CODE) ||
(ReportErrorCodeEnabled() && ((Type) & EFI_STATUS_CODE_TYPE_MASK) == EFI_ERROR_CODE) ||
(ReportDebugCodeEnabled() && ((Type) & EFI_STATUS_CODE_TYPE_MASK) == EFI_DEBUG_CODE)) {
//
// If mReportStatusCode is NULL, then check if status code service is available in system.
//
if (mReportStatusCode == NULL) {
mReportStatusCode = InternalGetReportStatusCode ();
if (mReportStatusCode == NULL) {
return EFI_UNSUPPORTED;
}
}
//
// A status code service is present in system, so pass in all the parameters to the service.
//
return (*mReportStatusCode) (Type, Value, Instance, (EFI_GUID *)CallerId, Data);
}
return EFI_UNSUPPORTED;
}
/**
Notification function of EVT_SIGNAL_VIRTUAL_ADDRESS_CHANGE.
@param Event Event whose notification function is being invoked.
@param Context Pointer to the notification function's context
**/
VOID
EFIAPI
ReportStatusCodeLibVirtualAddressChange (
IN EFI_EVENT Event,
IN VOID *Context
)
{
if (mReportStatusCode != NULL) {
mStatusCodeInternalRT->ConvertPointer (0, (VOID **) &mReportStatusCode);
}
mStatusCodeInternalRT->ConvertPointer (0, (VOID **) &mStatusCodeData);
mStatusCodeInternalRT->ConvertPointer (0, (VOID **) &mStatusCodeInternalRT);
}
/**
The constructor function of Runtime DXE Report Status Code Lib.
This function allocates memory for extended status code data, caches
the report status code service, and registers events.
@param ImageHandle The firmware allocated handle for the EFI image.
@param SystemTable A pointer to the EFI System Table.
@retval EFI_SUCCESS The constructor always returns EFI_SUCCESS.
**/
EFI_STATUS
EFIAPI
ReportStatusCodeLibConstruct (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_STATUS Status;
//
// Library should not use the gRT directly, for it may be converted by other library instance.
//
mStatusCodeInternalRT = gRT;
mStatusCodeData = AllocateRuntimePool (sizeof (EFI_STATUS_CODE_DATA) + EFI_STATUS_CODE_DATA_MAX_SIZE);
ASSERT (mStatusCodeData != NULL);
//
// Cache the report status code service
//
mReportStatusCode = InternalGetReportStatusCode ();
//
// Register notify function for EVT_SIGNAL_VIRTUAL_ADDRESS_CHANGE
//
Status = gBS->CreateEventEx (
EVT_NOTIFY_SIGNAL,
TPL_NOTIFY,
ReportStatusCodeLibVirtualAddressChange,
NULL,
&gEfiEventVirtualAddressChangeGuid,
&mStatusCodeVirtualAddressChangeEvent
);
ASSERT_EFI_ERROR (Status);
return EFI_SUCCESS;
}
/**
The destructor function of Runtime DXE Report Status Code Lib.
The destructor function frees memory allocated by constructor, and closes related events.
It will ASSERT() if that related operation fails and it will always return EFI_SUCCESS.
@param ImageHandle The firmware allocated handle for the EFI image.
@param SystemTable A pointer to the EFI System Table.
@retval EFI_SUCCESS The constructor always returns EFI_SUCCESS.
**/
EFI_STATUS
EFIAPI
ReportStatusCodeLibDestruct (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_STATUS Status;
ASSERT (gBS != NULL);
Status = gBS->CloseEvent (mStatusCodeVirtualAddressChangeEvent);
ASSERT_EFI_ERROR (Status);
FreePool (mStatusCodeData);
return EFI_SUCCESS;
}