cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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memchr.S (373B)


      1/* SPDX-License-Identifier: GPL-2.0-only */
      2/*
      3 *  linux/arch/arm/lib/memchr.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(memchr)
     151:	subs	r2, r2, #1
     16	bmi	2f
     17	ldrb	r3, [r0], #1
     18	teq	r3, r1
     19	bne	1b
     20	sub	r0, r0, #1
     212:	movne	r0, #0
     22	ret	lr
     23ENDPROC(memchr)