audk/MdeModulePkg/Universal/Variable/RuntimeDxe/SpeculationBarrierDxe.c

34 lines
897 B
C

/** @file
Barrier to stop speculative execution (DXE version).
Copyright (c) 2018, 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 "Variable.h"
/**
This service is consumed by the variable modules to place a barrier to stop
speculative execution.
Ensures that no later instruction will execute speculatively, until all prior
instructions have completed.
**/
VOID
VariableSpeculationBarrier (
VOID
)
{
//
// Do nothing.
//
}