cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

strrchr.S (383B)


      1/* SPDX-License-Identifier: GPL-2.0-only */
      2/*
      3 *  linux/arch/arm/lib/strrchr.S
      4 *
      5 *  Copyright (C) 1995-2000 Russell King
      6 *
      7 *  ASM optimised string functions
      8 */
      9#include <linux/linkage.h>
     10#include <asm/assembler.h>
     11
     12		.text
     13		.align	5
     14ENTRY(strrchr)
     15		mov	r3, #0
     161:		ldrb	r2, [r0], #1
     17		teq	r2, r1
     18		subeq	r3, r0, #1
     19		teq	r2, #0
     20		bne	1b
     21		mov	r0, r3
     22		ret	lr
     23ENDPROC(strrchr)