1 files changed, 39 insertions, 0 deletions
diff --git a/Core/MdePkg/Library/BaseLib/Arm/MemoryFence.asm b/Core/MdePkg/Library/BaseLib/Arm/MemoryFence.asm
new file mode 100644
index 0000000000..8f3d05f4b9
--- /dev/null
+++ b/Core/MdePkg/Library/BaseLib/Arm/MemoryFence.asm
@@ -0,0 +1,39 @@
+;------------------------------------------------------------------------------
+;
+; MemoryFence() for AArch64
+;
+; Copyright (c) 2013, ARM Ltd. All rights reserved.
+;
+; 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.
+;
+;------------------------------------------------------------------------------
+
+    EXPORT MemoryFence
+
+    AREA MemoryBarriers, CODE, READONLY
+
+;/**
+;  Used to serialize load and store operations.
+;
+;  All loads and stores that proceed calls to this function are guaranteed to be
+;  globally visible when this function returns.
+;
+;**/
+;VOID
+;EFIAPI
+;MemoryFence (
+;  VOID
+;  );
+;
+MemoryFence FUNCTION
+    dmb
+    bx      lr
+    ENDFUNC
+
+    END