mirror of https://github.com/acidanthera/audk.git
89 lines
2.6 KiB
C
89 lines
2.6 KiB
C
/** @file
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Template library implementation to support ResetSystem Runtime call.
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Fill in the templates with what ever makes you system reset.
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Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
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Copyright (c) 2013, ARM Ltd. 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/BaseLib.h>
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#include <Library/DebugLib.h>
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#include <Library/EfiResetSystemLib.h>
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#include <Library/ArmPlatformSysConfigLib.h>
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#include <ArmPlatform.h>
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/**
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Resets the entire platform.
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@param ResetType The type of reset to perform.
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@param ResetStatus The status code for the reset.
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@param DataSize The size, in bytes, of WatchdogData.
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@param ResetData For a ResetType of EfiResetCold, EfiResetWarm, or
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EfiResetShutdown the data buffer starts with a Null-terminated
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Unicode string, optionally followed by additional binary data.
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**/
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EFI_STATUS
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EFIAPI
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LibResetSystem (
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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 CHAR16 *ResetData OPTIONAL
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)
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{
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switch (ResetType) {
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case EfiResetPlatformSpecific:
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// Map the platform specific reset as reboot
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case EfiResetWarm:
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// Map a warm reset into a cold reset
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case EfiResetCold:
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// Send the REBOOT function to the platform microcontroller
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ArmPlatformSysConfigSet (SYS_CFG_REBOOT, 0);
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// We should never be here
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while(1);
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case EfiResetShutdown:
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// Send the SHUTDOWN function to the platform microcontroller
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ArmPlatformSysConfigSet (SYS_CFG_SHUTDOWN, 0);
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// We should never be here
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while(1);
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}
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ASSERT(FALSE);
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return EFI_UNSUPPORTED;
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}
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/**
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Initialize any infrastructure required for LibResetSystem () to function.
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@param ImageHandle The firmware allocated handle for the EFI image.
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@param SystemTable A pointer to the EFI System Table.
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@retval EFI_SUCCESS The constructor always returns EFI_SUCCESS.
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**/
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EFI_STATUS
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EFIAPI
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LibInitializeResetSystem (
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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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return EFI_SUCCESS;
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}
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