mirror of https://github.com/acidanthera/audk.git
89 lines
2.8 KiB
C
89 lines
2.8 KiB
C
/** @file
|
|
Status Code Handler Driver which produces datahub handler and hook it
|
|
onto the DXE status code router.
|
|
|
|
Copyright (c) 2010, Intel Corporation. All rights reserved.<BR>
|
|
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 "DatahubStatusCodeHandlerDxe.h"
|
|
|
|
EFI_EVENT mExitBootServicesEvent = NULL;
|
|
EFI_RSC_HANDLER_PROTOCOL *mRscHandlerProtocol = NULL;
|
|
|
|
/**
|
|
Unregister status code callback functions only available at boot time from
|
|
report status code router when exiting boot services.
|
|
|
|
@param Event Event whose notification function is being invoked.
|
|
@param Context Pointer to the notification function's context, which is
|
|
always zero in current implementation.
|
|
|
|
**/
|
|
VOID
|
|
EFIAPI
|
|
UnregisterBootTimeHandlers (
|
|
IN EFI_EVENT Event,
|
|
IN VOID *Context
|
|
)
|
|
{
|
|
mRscHandlerProtocol->Unregister (DataHubStatusCodeReportWorker);
|
|
}
|
|
|
|
/**
|
|
Entry point of DXE Status Code Driver.
|
|
|
|
This function is the entry point of this DXE Status Code Driver.
|
|
It initializes registers status code handlers, and registers event for EVT_SIGNAL_VIRTUAL_ADDRESS_CHANGE.
|
|
|
|
@param ImageHandle The firmware allocated handle for the EFI image.
|
|
@param SystemTable A pointer to the EFI System Table.
|
|
|
|
@retval EFI_SUCCESS The entry point is executed successfully.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
DatahubStatusCodeHandlerDxeEntry (
|
|
IN EFI_HANDLE ImageHandle,
|
|
IN EFI_SYSTEM_TABLE *SystemTable
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
|
|
if (FeaturePcdGet (PcdStatusCodeUseDataHub)) {
|
|
Status = gBS->LocateProtocol (
|
|
&gEfiRscHandlerProtocolGuid,
|
|
NULL,
|
|
(VOID **) &mRscHandlerProtocol
|
|
);
|
|
ASSERT_EFI_ERROR (Status);
|
|
|
|
//
|
|
// Dispatch initialization request to supported devices
|
|
//
|
|
DataHubStatusCodeInitializeWorker ();
|
|
|
|
mRscHandlerProtocol->Register (DataHubStatusCodeReportWorker, TPL_HIGH_LEVEL);
|
|
|
|
Status = gBS->CreateEventEx (
|
|
EVT_NOTIFY_SIGNAL,
|
|
TPL_NOTIFY,
|
|
UnregisterBootTimeHandlers,
|
|
NULL,
|
|
&gEfiEventExitBootServicesGuid,
|
|
&mExitBootServicesEvent
|
|
);
|
|
ASSERT_EFI_ERROR (Status);
|
|
}
|
|
|
|
return EFI_SUCCESS;
|
|
}
|