audk/EmbeddedPkg/Library/HalRuntimeServicesExampleLib/Reset.c

64 lines
1.2 KiB
C

/** @file
Simple PC Port 0x92 reset driver
Copyright (c) 2007, Intel Corporation<BR>
Portions copyright (c) 2008-2009, Apple Inc. All rights reserved.
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.
**/
VOID
LibResetInitializeReset (
VOID
)
{
}
VOID
LibResetVirtualAddressChangeEvent (
VOID
)
{
}
VOID
LibResetSystem (
IN EFI_RESET_TYPE ResetType,
IN EFI_STATUS ResetStatus,
IN UINTN DataSize,
IN CHAR16 *ResetData OPTIONAL
)
{
UINT8 Data;
switch (ResetType) {
case EfiResetWarm:
case EfiResetCold:
case EfiResetShutdown:
Data = IoRead8 (0x92);
Data |= 1;
IoWrite8 (0x92, Data);
break;
default:
return ;
}
//
// Given we should have reset getting here would be bad
//
ASSERT (FALSE);
}