;------------------------------------------------------------------------------ | |
; | |
; SpeculationBarrier() for AArch64 | |
; | |
; Copyright (c) 2019, Linaro Ltd. All rights reserved. | |
; | |
; SPDX-License-Identifier: BSD-2-Clause-Patent | |
; | |
;------------------------------------------------------------------------------ | |
EXPORT SpeculationBarrier | |
AREA MemoryBarriers, 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 | |
isb | |
bx lr | |
END |