xref: /openbmc/u-boot/arch/arm/cpu/armv8/tlb.S (revision baefb63a)
1/*
2 * (C) Copyright 2013
3 * David Feng <fenghua@phytium.com.cn>
4 *
5 * SPDX-License-Identifier:	GPL-2.0+
6 */
7
8#include <asm-offsets.h>
9#include <config.h>
10#include <linux/linkage.h>
11#include <asm/macro.h>
12
13/*
14 * void __asm_invalidate_tlb_all(void)
15 *
16 * invalidate all tlb entries.
17*/
18.pushsection .text.__asm_invalidate_tlb_all, "ax"
19ENTRY(__asm_invalidate_tlb_all)
20	switch_el x9, 3f, 2f, 1f
213:	tlbi	alle3
22	dsb	sy
23	isb
24	b	0f
252:	tlbi	alle2
26	dsb	sy
27	isb
28	b	0f
291:	tlbi	vmalle1
30	dsb	sy
31	isb
320:
33	ret
34ENDPROC(__asm_invalidate_tlb_all)
35.popsection
36