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ArmPkg: Remove Deprecated ArmPsciResetSystemLib

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ArmPsciResetSystemLib has been deprecated since commit
b2c55e732888fd721f5235a820b1d1c45209992d in 2017. The
lib itself has not been meaningfully updated in 10 years.
This commit removes the library to complete the deprecation
process and remove confusion over which library to use for
resetting an ARM platform.

Signed-off-by: Oliver Smith-Denny <osde@linux.microsoft.com>
This commit is contained in:
Oliver Smith-Denny 2024-07-18 10:19:04 -07:00 committed by mergify[bot]
parent da591416ee
commit f5901ff2a4
3 changed files with 0 additions and 123 deletions
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1
ArmPkg/ArmPkg.dsc
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@ -116,7 +116,6 @@
ArmPkg/Library/SemiHostingDebugLib/SemiHostingDebugLib.inf
ArmPkg/Library/SemiHostingSerialPortLib/SemiHostingSerialPortLib.inf
ArmPkg/Library/SemihostLib/SemihostLib.inf
ArmPkg/Library/ArmPsciResetSystemLib/ArmPsciResetSystemLib.inf
ArmPkg/Library/ArmExceptionLib/ArmExceptionLib.inf
ArmPkg/Library/ArmExceptionLib/ArmRelocateExceptionLib.inf

90
ArmPkg/Library/ArmPsciResetSystemLib/ArmPsciResetSystemLib.c
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@ -1,90 +0,0 @@
/** @file
Support ResetSystem Runtime call using PSCI calls
Note: A similar library is implemented in
ArmVirtPkg/Library/ArmVirtualizationPsciResetSystemLib
So similar issues might exist in this implementation too.
Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
Copyright (c) 2013-2015, ARM Ltd. All rights reserved.<BR>
Copyright (c) 2014, Linaro Ltd. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include <PiDxe.h>
#include <Library/BaseLib.h>
#include <Library/DebugLib.h>
#include <Library/EfiResetSystemLib.h>
#include <Library/ArmSmcLib.h>
#include <IndustryStandard/ArmStdSmc.h>
/**
Resets the entire platform.
@param ResetType The type of reset to perform.
@param ResetStatus The status code for the reset.
@param DataSize The size, in bytes, of WatchdogData.
@param ResetData For a ResetType of EfiResetCold, EfiResetWarm, or
EfiResetShutdown the data buffer starts with a Null-terminated
Unicode string, optionally followed by additional binary data.
**/
EFI_STATUS
EFIAPI
LibResetSystem (
IN EFI_RESET_TYPE ResetType,
IN EFI_STATUS ResetStatus,
IN UINTN DataSize,
IN CHAR16 *ResetData OPTIONAL
)
{
ARM_SMC_ARGS ArmSmcArgs;
switch (ResetType) {
case EfiResetPlatformSpecific:
// Map the platform specific reset as reboot
case EfiResetWarm:
// Map a warm reset into a cold reset
case EfiResetCold:
// Send a PSCI 0.2 SYSTEM_RESET command
ArmSmcArgs.Arg0 = ARM_SMC_ID_PSCI_SYSTEM_RESET;
break;
case EfiResetShutdown:
// Send a PSCI 0.2 SYSTEM_OFF command
ArmSmcArgs.Arg0 = ARM_SMC_ID_PSCI_SYSTEM_OFF;
break;
default:
ASSERT (FALSE);
return EFI_UNSUPPORTED;
}
ArmCallSmc (&ArmSmcArgs);
// We should never be here
DEBUG ((DEBUG_ERROR, "%a: PSCI Reset failed\n", __func__));
CpuDeadLoop ();
return EFI_UNSUPPORTED;
}
/**
Initialize any infrastructure required for LibResetSystem () to function.
@param ImageHandle The firmware allocated handle for the EFI image.
@param SystemTable A pointer to the EFI System Table.
@retval EFI_SUCCESS The constructor always returns EFI_SUCCESS.
**/
EFI_STATUS
EFIAPI
LibInitializeResetSystem (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
return EFI_SUCCESS;
}

32
ArmPkg/Library/ArmPsciResetSystemLib/ArmPsciResetSystemLib.inf
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@ -1,32 +0,0 @@
#/** @file
# Reset System lib using PSCI hypervisor or secure monitor calls
#
# Copyright (c) 2008, Apple Inc. All rights reserved.<BR>
# Copyright (c) 2014, Linaro Ltd. All rights reserved.<BR>
# Copyright (c) 2014, ARM Ltd. All rights reserved.<BR>
#
# SPDX-License-Identifier: BSD-2-Clause-Patent
#
#
#**/
[Defines]
INF_VERSION = 0x00010005
BASE_NAME = ArmPsciResetSystemLib
FILE_GUID = A8F59B69-A105-41C7-8F5A-2C60DD7FD7AA
MODULE_TYPE = BASE
VERSION_STRING = 1.0
LIBRARY_CLASS = EfiResetSystemLib
[Sources]
ArmPsciResetSystemLib.c
[Packages]
ArmPkg/ArmPkg.dec
MdePkg/MdePkg.dec
EmbeddedPkg/EmbeddedPkg.dec
[LibraryClasses]
DebugLib
BaseLib
ArmSmcLib