5c7dd7acc3
repo: https://github.com/T-head-Semi/linux commit: b1313fe517ca3703119dcc99ef3bbf75ab42bcfb Change-Id: I6cbb35294024ea3a66140e311f4bb705fd7fd626
33 lines
783 B
ArmAsm
33 lines
783 B
ArmAsm
/* SPDX-License-Identifier: GPL-2.0-only */
|
|
/*
|
|
* Copyright (C) 2015-2018 - ARM Ltd
|
|
* Author: Marc Zyngier <marc.zyngier@arm.com>
|
|
*/
|
|
|
|
#include <linux/arm-smccc.h>
|
|
#include <linux/linkage.h>
|
|
|
|
#include <asm/kvm_asm.h>
|
|
#include <asm/kvm_mmu.h>
|
|
|
|
/*
|
|
* This is not executed directly and is instead copied into the vectors
|
|
* by install_bp_hardening_cb().
|
|
*/
|
|
.data
|
|
.pushsection .rodata
|
|
.global __smccc_workaround_1_smc
|
|
SYM_DATA_START(__smccc_workaround_1_smc)
|
|
esb
|
|
sub sp, sp, #(8 * 4)
|
|
stp x2, x3, [sp, #(8 * 0)]
|
|
stp x0, x1, [sp, #(8 * 2)]
|
|
mov w0, #ARM_SMCCC_ARCH_WORKAROUND_1
|
|
smc #0
|
|
ldp x2, x3, [sp, #(8 * 0)]
|
|
ldp x0, x1, [sp, #(8 * 2)]
|
|
add sp, sp, #(8 * 4)
|
|
1: .org __smccc_workaround_1_smc + __SMCCC_WORKAROUND_1_SMC_SZ
|
|
.org 1b
|
|
SYM_DATA_END(__smccc_workaround_1_smc)
|