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/** @file
Driver entry for KbcReset driver.
Copyright (c) 2009 - 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 <PiDxe.h>
#include <Library/DebugLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/ResetSystemLib.h>
#include <Protocol/Reset.h>
//
// The handle onto which the Reset Architectural Protocol is installed
//
EFI_HANDLE mResetHandle = NULL;
/**
Reset the system.
@param ResetType warm or cold
@param ResetStatus possible cause of reset
@param DataSize Size of ResetData in bytes
@param ResetData Optional Unicode string
**/
VOID
EFIAPI
KbcResetSystem (
IN EFI_RESET_TYPE ResetType,
IN EFI_STATUS ResetStatus,
IN UINTN DataSize,
IN VOID *ResetData OPTIONAL
)
{
switch (ResetType) {
case EfiResetWarm:
ResetWarm ();
break;
case EfiResetCold:
ResetCold ();
break;
case EfiResetShutdown:
ResetShutdown ();
break;
default:
return;
}
//
// Given we should have reset getting here would be bad
//
ASSERT (FALSE);
}
/**
Initialize the state information for the Reset Architectural Protocol
@param ImageHandle Handle of the loaded driver
@param SystemTable Pointer to the System Table
@retval EFI_SUCCESS Thread can be successfully created
@retval EFI_OUT_OF_RESOURCES Cannot allocate protocol data structure
@retval EFI_DEVICE_ERROR Cannot create the timer service
**/
EFI_STATUS
EFIAPI
InitializeReset (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_STATUS Status;
//
// Make sure the Reset Architectural Protocol is not already installed in the system
//
ASSERT_PROTOCOL_ALREADY_INSTALLED (NULL, &gEfiResetArchProtocolGuid);
//
// Hook the runtime service table
//
SystemTable->RuntimeServices->ResetSystem = KbcResetSystem;
//
// Now install the Reset RT AP on a new handle
//
Status = gBS->InstallMultipleProtocolInterfaces (
&mResetHandle,
&gEfiResetArchProtocolGuid, NULL,
NULL
);
ASSERT_EFI_ERROR (Status);
return Status;
}
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