Add ResetSystemLib instances for PCAT that only supports cold reset and a warm reset that is always converted to a cold reset.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10766 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
mdkinney 2010-08-03 05:11:44 +00:00
parent 0564ae5ee6
commit c07b2a9f88
2 changed files with 124 additions and 0 deletions

View File

@ -0,0 +1,86 @@
/** @file
Reset System Library functions for PCAT platforms
Copyright (c) 2006 - 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 <Base.h>
#include <Library/DebugLib.h>
#include <Library/IoLib.h>
/**
Calling this function causes a system-wide reset. This sets
all circuitry within the system to its initial state. This type of reset
is asynchronous to system operation and operates without regard to
cycle boundaries.
System reset should not return, if it returns, it means the system does
not support cold reset.
**/
VOID
EFIAPI
ResetCold (
VOID
)
{
IoWrite8 (0x64, 0xfe);
}
/**
Calling this function causes a system-wide initialization. The processors
are set to their initial state, and pending cycles are not corrupted.
System reset should not return, if it returns, it means the system does
not support warm reset.
**/
VOID
EFIAPI
ResetWarm (
VOID
)
{
IoWrite8 (0x64, 0xfe);
}
/**
Calling this function causes the system to enter a power state equivalent
to the ACPI G2/S5 or G3 states.
System shutdown should not return, if it returns, it means the system does
not support shut down reset.
**/
VOID
EFIAPI
ResetShutdown (
VOID
)
{
ASSERT (FALSE);
}
/**
Calling this function causes the system to enter a power state for capsule
update.
Reset update should not return, if it returns, it means the system does
not support capsule update.
**/
VOID
EFIAPI
EnterS3WithImmediateWake (
VOID
)
{
ASSERT (FALSE);
}

View File

@ -0,0 +1,38 @@
## @file
# Library instance for ResetSystem library class fort PCAT systems
#
# Copyright (c) 2006 - 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.
#
##
[Defines]
INF_VERSION = 0x00010005
BASE_NAME = ResetSystemLib
FILE_GUID = EC4F3E59-F879-418b-9E4C-7D6F434714A0
MODULE_TYPE = BASE
VERSION_STRING = 1.0
LIBRARY_CLASS = ResetSystemLib
#
# The following information is for reference only and not required by the build tools.
#
# VALID_ARCHITECTURES = IA32 X64 IPF
#
[Sources]
ResetSystemLib.c
[Packages]
MdePkg/MdePkg.dec
[LibraryClasses]
DebugLib
IoLib