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-rw-r--r--Core/PcAtChipsetPkg/Library/ResetSystemLib/ResetSystemLib.c86
1 files changed, 86 insertions, 0 deletions
diff --git a/Core/PcAtChipsetPkg/Library/ResetSystemLib/ResetSystemLib.c b/Core/PcAtChipsetPkg/Library/ResetSystemLib/ResetSystemLib.c
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index 0000000000..6a9dd71b00
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+++ b/Core/PcAtChipsetPkg/Library/ResetSystemLib/ResetSystemLib.c
@@ -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);
+}