;------------------------------------------------------------------------------ ; ; SpeculationBarrier() for AArch64 ; ; Copyright (c) 2019, Linaro Ltd. All rights reserved. ; ; SPDX-License-Identifier: BSD-2-Clause-Patent ; ;------------------------------------------------------------------------------ EXPORT SpeculationBarrier AREA BaseLib_LowLevel, CODE, READONLY ;/** ; Uses as a barrier to stop speculative execution. ; ; Ensures that no later instruction will execute speculatively, until all prior ; instructions have completed. ; ;**/ ;VOID ;EFIAPI ;SpeculationBarrier ( ; VOID ; ); ; SpeculationBarrier dsb sy isb ret END