mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-11-26 12:05:36 +01:00
33 lines
693 B
NASM
33 lines
693 B
NASM
;------------------------------------------------------------------------------
|
|
;
|
|
; 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
|