audk/MdeModulePkg/Universal/StatusCodeHandler/Smm/StatusCodeHandlerSmm.c

91 lines
2.5 KiB
C

/** @file
Status Code Handler Driver which produces general handlers and hook them
onto the SMM status code router.
Copyright (c) 2009, 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 "StatusCodeHandlerSmm.h"
EFI_SMM_RSC_HANDLER_PROTOCOL *mRscHandlerProtocol = NULL;
/**
Dispatch initialization request to sub status code devices based on
customized feature flags.
**/
VOID
InitializationDispatcherWorker (
VOID
)
{
EFI_STATUS Status;
//
// If enable UseSerial, then initialize serial port.
// if enable UseRuntimeMemory, then initialize runtime memory status code worker.
//
if (FeaturePcdGet (PcdStatusCodeUseSerial)) {
//
// Call Serial Port Lib API to initialize serial port.
//
Status = SerialPortInitialize ();
ASSERT_EFI_ERROR (Status);
}
if (FeaturePcdGet (PcdStatusCodeUseMemory)) {
Status = MemoryStatusCodeInitializeWorker ();
ASSERT_EFI_ERROR (Status);
}
}
/**
Entry point of SMM Status Code Driver.
This function is the entry point of SMM Status Code Driver.
@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
StatusCodeHandlerSmmEntry (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_STATUS Status;
Status = gSmst->SmmLocateProtocol (
&gEfiSmmRscHandlerProtocolGuid,
NULL,
(VOID **) &mRscHandlerProtocol
);
ASSERT_EFI_ERROR (Status);
//
// Dispatch initialization request to supported devices
//
InitializationDispatcherWorker ();
if (FeaturePcdGet (PcdStatusCodeUseSerial)) {
mRscHandlerProtocol->Register (SerialStatusCodeReportWorker);
}
if (FeaturePcdGet (PcdStatusCodeUseMemory)) {
mRscHandlerProtocol->Register (MemoryStatusCodeReportWorker);
}
return EFI_SUCCESS;
}