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33 lines
693 B
NASM
33 lines
693 B
NASM
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;------------------------------------------------------------------------------
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;
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; SpeculationBarrier() for AArch64
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;
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; Copyright (c) 2019, Linaro 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 SpeculationBarrier
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AREA BaseLib_LowLevel, CODE, READONLY
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;/**
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; Uses as a barrier to stop speculative execution.
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;
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; Ensures that no later instruction will execute speculatively, until all prior
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; instructions have completed.
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;
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;**/
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;VOID
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;EFIAPI
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;SpeculationBarrier (
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; VOID
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; );
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;
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SpeculationBarrier
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dsb sy
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isb
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ret
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END
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