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/*
* Contains CPU specific branch predictor invalidation sequences
*
* Copyright (C) 2018 ARM Ltd.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <linux/linkage.h>
.macro ventry target
.rept 31
nop
.endr
b \target
.endm
.macro vectors target
ventry \target + 0x000
ventry \target + 0x080
ventry \target + 0x100
ventry \target + 0x180
ventry \target + 0x200
ventry \target + 0x280
ventry \target + 0x300
ventry \target + 0x380
ventry \target + 0x400
ventry \target + 0x480
ventry \target + 0x500
ventry \target + 0x580
ventry \target + 0x600
ventry \target + 0x680
ventry \target + 0x700
ventry \target + 0x780
.endm
.align 11
ENTRY(__bp_harden_hyp_vecs_start)
.rept 4
vectors __kvm_hyp_vector
.endr
ENTRY(__bp_harden_hyp_vecs_end)
ENTRY(__psci_hyp_bp_inval_start)
sub sp, sp, #(8 * 18)
stp x16, x17, [sp, #(16 * 0)]
stp x14, x15, [sp, #(16 * 1)]
stp x12, x13, [sp, #(16 * 2)]
stp x10, x11, [sp, #(16 * 3)]
stp x8, x9, [sp, #(16 * 4)]
stp x6, x7, [sp, #(16 * 5)]
stp x4, x5, [sp, #(16 * 6)]
stp x2, x3, [sp, #(16 * 7)]
stp x0, x1, [sp, #(16 * 8)]
mov x0, #0x84000000
smc #0
ldp x16, x17, [sp, #(16 * 0)]
ldp x14, x15, [sp, #(16 * 1)]
ldp x12, x13, [sp, #(16 * 2)]
ldp x10, x11, [sp, #(16 * 3)]
ldp x8, x9, [sp, #(16 * 4)]
ldp x6, x7, [sp, #(16 * 5)]
ldp x4, x5, [sp, #(16 * 6)]
ldp x2, x3, [sp, #(16 * 7)]
ldp x0, x1, [sp, #(16 * 8)]
add sp, sp, #(8 * 18)
ENTRY(__psci_hyp_bp_inval_end)
ENTRY(__qcom_hyp_sanitize_link_stack_start)
stp x29, x30, [sp, #-16]!
.rept 16
bl . + 4
.endr
ldp x29, x30, [sp], #16
ENTRY(__qcom_hyp_sanitize_link_stack_end)
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