From af1a266670d040d2f4083ff309d732d648afba2a Mon Sep 17 00:00:00 2001
From: Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com>
Date: Tue, 10 Oct 2023 14:33:42 +0000
Subject: Add submodule dependency files

Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
---
 .../Variable/RuntimeDxe/SpeculationBarrierSmm.c    | 26 ++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 roms/edk2/MdeModulePkg/Universal/Variable/RuntimeDxe/SpeculationBarrierSmm.c

(limited to 'roms/edk2/MdeModulePkg/Universal/Variable/RuntimeDxe/SpeculationBarrierSmm.c')

diff --git a/roms/edk2/MdeModulePkg/Universal/Variable/RuntimeDxe/SpeculationBarrierSmm.c b/roms/edk2/MdeModulePkg/Universal/Variable/RuntimeDxe/SpeculationBarrierSmm.c
new file mode 100644
index 000000000..7107c0429
--- /dev/null
+++ b/roms/edk2/MdeModulePkg/Universal/Variable/RuntimeDxe/SpeculationBarrierSmm.c
@@ -0,0 +1,26 @@
+/** @file
+  Barrier to stop speculative execution (SMM version).
+
+Copyright (c) 2018, Intel Corporation. All rights reserved.<BR>
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include <Library/BaseLib.h>
+#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
+  )
+{
+  SpeculationBarrier ();
+}
-- 
cgit