OvmfPkg ResetSystemLib: Add shutdown support for OVMF

This library will allow the UEFI RuntimeServices
ResetSystem call to function with OVMF.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11251 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
jljusten 2011-01-13 05:46:52 +00:00
parent c756b2ab80
commit 7ca30a6ac7
5 changed files with 145 additions and 6 deletions

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/** @file
Reset System Library functions for OVMF
Copyright (c) 2006 - 2011, 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/BaseLib.h>
#include <Library/DebugLib.h>
#include <Library/IoLib.h>
VOID
AcpiPmControl (
UINTN SuspendType
)
{
ASSERT (SuspendType < 6);
IoAndThenOr16 (0x404, ~0x3c00, SuspendType << 10);
IoOr16 (0x404, BIT13);
CpuDeadLoop ();
}
/**
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
)
{
AcpiPmControl (0);
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
)
{
AcpiPmControl (1);
ASSERT (FALSE);
}

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## @file
# Library instance for ResetSystem library class for OVMF
#
# Copyright (c) 2006 - 2011, 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 = 66564872-21d4-4d2a-a68b-1e844f980820
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

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@ -1,7 +1,7 @@
## @file
# EFI/Framework Open Virtual Machine Firmware (OVMF) platform
#
# Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
# Copyright (c) 2006 - 2011, 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
@ -96,7 +96,7 @@
DebugAgentLib|MdeModulePkg/Library/DebugAgentLibNull/DebugAgentLibNull.inf
!endif
ResetSystemLib|PcAtChipsetPkg/Library/ResetSystemLib/ResetSystemLib.inf
ResetSystemLib|OvmfPkg/Library/ResetSystemLib/ResetSystemLib.inf
LocalApicLib|UefiCpuPkg/Library/BaseXApicLib/BaseXApicLib.inf
[LibraryClasses.common.SEC]

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@ -1,7 +1,7 @@
## @file
# EFI/Framework Open Virtual Machine Firmware (OVMF) platform
#
# Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
# Copyright (c) 2006 - 2011, 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
@ -96,7 +96,7 @@
DebugAgentLib|MdeModulePkg/Library/DebugAgentLibNull/DebugAgentLibNull.inf
!endif
ResetSystemLib|PcAtChipsetPkg/Library/ResetSystemLib/ResetSystemLib.inf
ResetSystemLib|OvmfPkg/Library/ResetSystemLib/ResetSystemLib.inf
LocalApicLib|UefiCpuPkg/Library/BaseXApicLib/BaseXApicLib.inf
[LibraryClasses.common.SEC]

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@ -1,7 +1,7 @@
## @file
# EFI/Framework Open Virtual Machine Firmware (OVMF) platform
#
# Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
# Copyright (c) 2006 - 2011, 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
@ -96,7 +96,7 @@
DebugAgentLib|MdeModulePkg/Library/DebugAgentLibNull/DebugAgentLibNull.inf
!endif
ResetSystemLib|PcAtChipsetPkg/Library/ResetSystemLib/ResetSystemLib.inf
ResetSystemLib|OvmfPkg/Library/ResetSystemLib/ResetSystemLib.inf
LocalApicLib|UefiCpuPkg/Library/BaseXApicLib/BaseXApicLib.inf
[LibraryClasses.common.SEC]