blob: a20d6aed0cdd52842e6a39cc529c674d1262c6b5 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
|
##------------------------------------------------------------------------------
#
# SpeculationBarrier() for AArch64
#
# Copyright (c) 2019, Linaro Ltd. All rights reserved.
#
# SPDX-License-Identifier: BSD-2-Clause-Patent
#
##------------------------------------------------------------------------------
.text
.p2align 2
GCC_ASM_EXPORT(SpeculationBarrier)
#/**
# 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
# );
#
ASM_PFX(SpeculationBarrier):
dsb sy
isb
ret
|
