Files
Linux_Drivers/u-boot-2021.10/arch/arm/cpu/armv8/tlb.S
sam.xiang f8fc109960 [uboot] create uboot from github:
repo: https://github.com/u-boot/u-boot
	commit: d80bb749fab53da72c4a0e09b8c2d2aaa3103c91

Change-Id: Ie6434426e1ec15bc08bb1832798e371f3fd5fb29
2023-03-10 20:30:57 +08:00

35 lines
541 B
ArmAsm

/* SPDX-License-Identifier: GPL-2.0+ */
/*
* (C) Copyright 2013
* David Feng <fenghua@phytium.com.cn>
*/
#include <asm-offsets.h>
#include <config.h>
#include <linux/linkage.h>
#include <asm/macro.h>
/*
* void __asm_invalidate_tlb_all(void)
*
* invalidate all tlb entries.
*/
.pushsection .text.__asm_invalidate_tlb_all, "ax"
ENTRY(__asm_invalidate_tlb_all)
switch_el x9, 3f, 2f, 1f
3: tlbi alle3
dsb sy
isb
b 0f
2: tlbi alle2
dsb sy
isb
b 0f
1: tlbi vmalle1
dsb sy
isb
0:
ret
ENDPROC(__asm_invalidate_tlb_all)
.popsection