9344f09215
https://bugzilla.tianocore.org/show_bug.cgi?id=1373 Replace BSD 2-Clause License with BSD+Patent License. This change is based on the following emails: https://lists.01.org/pipermail/edk2-devel/2019-February/036260.html https://lists.01.org/pipermail/edk2-devel/2018-October/030385.html RFCs with detailed process for the license change: V3: https://lists.01.org/pipermail/edk2-devel/2019-March/038116.html V2: https://lists.01.org/pipermail/edk2-devel/2019-March/037669.html V1: https://lists.01.org/pipermail/edk2-devel/2019-March/037500.html Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com> Reviewed-by: Liming Gao <liming.gao@intel.com>
27 lines
473 B
C
27 lines
473 B
C
/** @file
|
|
SpeculationBarrier() function for IA32 and x64.
|
|
|
|
Copyright (C) 2018, Intel Corporation. All rights reserved.<BR>
|
|
|
|
SPDX-License-Identifier: BSD-2-Clause-Patent
|
|
|
|
**/
|
|
|
|
#include <Library/BaseLib.h>
|
|
|
|
/**
|
|
Uses as a barrier to stop speculative execution.
|
|
|
|
Ensures that no later instruction will execute speculatively, until all prior
|
|
instructions have completed.
|
|
|
|
**/
|
|
VOID
|
|
EFIAPI
|
|
SpeculationBarrier (
|
|
VOID
|
|
)
|
|
{
|
|
AsmLfence ();
|
|
}
|