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/** @file
Runtime DXE part corresponding to StandaloneMM variable module.
This module installs variable arch protocol and variable write arch protocol
to StandaloneMM runtime variable service.
Copyright (c) 2019 - 2021, Arm Ltd. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include <Library/DebugLib.h>
#include <Library/UefiBootServicesTableLib.h>
/**
The constructor function installs variable arch protocol and variable
write arch protocol to StandaloneMM runtime variable service
@param ImageHandle The firmware allocated handle for the EFI image.
@param SystemTable A pointer to the Management mode System Table.
@retval EFI_SUCCESS The constructor always returns EFI_SUCCESS.
**/
EFI_STATUS
EFIAPI
VariableMmDependencyLibConstructor (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_STATUS Status;
EFI_HANDLE Handle;
Handle = NULL;
Status = gBS->InstallMultipleProtocolInterfaces (
&Handle,
&gEfiSmmVariableProtocolGuid,
NULL,
&gSmmVariableWriteGuid,
NULL,
NULL
);
ASSERT_EFI_ERROR (Status);
return EFI_SUCCESS;
}
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