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33 lines
704 B
NASM
33 lines
704 B
NASM
;------------------------------------------------------------------------------
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;
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; MemoryFence() for AArch64
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;
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; Copyright (c) 2013, ARM Ltd. All rights reserved.
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;
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; SPDX-License-Identifier: BSD-2-Clause-Patent
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;
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;------------------------------------------------------------------------------
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EXPORT MemoryFence
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AREA BaseLib_LowLevel, CODE, READONLY
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;/**
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; Used to serialize load and store operations.
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;
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; All loads and stores that proceed calls to this function are guaranteed to be
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; globally visible when this function returns.
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;
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;**/
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;VOID
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;EFIAPI
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;MemoryFence (
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; VOID
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; );
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;
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MemoryFence
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// System wide Data Memory Barrier.
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dmb sy
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ret
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END
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