mirror of https://github.com/acidanthera/audk.git
54 lines
1.7 KiB
C
54 lines
1.7 KiB
C
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/** @file
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Runtime DXE part corresponding to StanaloneMM variable module.
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This module installs variable arch protocol and variable write arch protocol
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to StandaloneMM runtime variable service.
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Copyright (c) 2019, ARM Ltd. All rights reserved.
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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 <Library/DebugLib.h>
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#include <Library/UefiBootServicesTableLib.h>
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/**
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The constructor function installs variable arch protocol and variable
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write arch protocol to StandaloneMM runtime variable service
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@param ImageHandle The firmware allocated handle for the EFI image.
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@param SystemTable A pointer to the Management mode 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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VariableMmDependencyLibConstructor (
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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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EFI_STATUS Status;
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EFI_HANDLE Handle;
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Handle = NULL;
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Status = gBS->InstallMultipleProtocolInterfaces (
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&Handle,
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&gEfiSmmVariableProtocolGuid,
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NULL,
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&gSmmVariableWriteGuid,
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NULL,
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NULL
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);
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ASSERT_EFI_ERROR (Status);
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return EFI_SUCCESS;
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}
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