mirror of https://github.com/acidanthera/audk.git
107 lines
2.8 KiB
C
107 lines
2.8 KiB
C
/** @file
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Driver entry for KbcReset driver.
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Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#include <PiDxe.h>
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#include <Library/DebugLib.h>
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#include <Library/UefiBootServicesTableLib.h>
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#include <Library/ResetSystemLib.h>
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#include <Protocol/Reset.h>
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//
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// The handle onto which the Reset Architectural Protocol is installed
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//
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EFI_HANDLE mResetHandle = NULL;
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/**
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Reset the system.
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@param ResetType warm or cold
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@param ResetStatus possible cause of reset
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@param DataSize Size of ResetData in bytes
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@param ResetData Optional Unicode string
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**/
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VOID
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EFIAPI
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KbcResetSystem (
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IN EFI_RESET_TYPE ResetType,
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IN EFI_STATUS ResetStatus,
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IN UINTN DataSize,
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IN VOID *ResetData OPTIONAL
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)
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{
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switch (ResetType) {
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case EfiResetWarm:
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ResetWarm ();
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break;
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case EfiResetCold:
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ResetCold ();
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break;
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case EfiResetShutdown:
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ResetShutdown ();
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break;
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default:
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return;
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}
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//
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// Given we should have reset getting here would be bad
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//
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ASSERT (FALSE);
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}
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/**
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Initialize the state information for the Reset Architectural Protocol
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@param ImageHandle Handle of the loaded driver
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@param SystemTable Pointer to the System Table
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@retval EFI_SUCCESS Thread can be successfully created
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@retval EFI_OUT_OF_RESOURCES Cannot allocate protocol data structure
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@retval EFI_DEVICE_ERROR Cannot create the timer service
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**/
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EFI_STATUS
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EFIAPI
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InitializeReset (
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IN EFI_HANDLE ImageHandle,
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IN EFI_SYSTEM_TABLE *SystemTable
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)
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{
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EFI_STATUS Status;
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//
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// Make sure the Reset Architectural Protocol is not already installed in the system
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//
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ASSERT_PROTOCOL_ALREADY_INSTALLED (NULL, &gEfiResetArchProtocolGuid);
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//
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// Hook the runtime service table
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//
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SystemTable->RuntimeServices->ResetSystem = KbcResetSystem;
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//
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// Now install the Reset RT AP on a new handle
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//
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Status = gBS->InstallMultipleProtocolInterfaces (
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&mResetHandle,
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&gEfiResetArchProtocolGuid, NULL,
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NULL
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);
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ASSERT_EFI_ERROR (Status);
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return Status;
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}
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