diff options
Diffstat (limited to 'MdePkg/Library/BaseLib/Arm/MemoryFence.asm')
-rw-r--r-- | MdePkg/Library/BaseLib/Arm/MemoryFence.asm | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseLib/Arm/MemoryFence.asm b/MdePkg/Library/BaseLib/Arm/MemoryFence.asm new file mode 100644 index 0000000000..8f3d05f4b9 --- /dev/null +++ b/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
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