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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strchr.S (404B)

      1/* SPDX-License-Identifier: GPL-2.0-only */
      2/*
      3 *  linux/arch/arm/lib/strchr.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(strchr)
     15		and	r1, r1, #0xff
     161:		ldrb	r2, [r0], #1
     17		teq	r2, r1
     18		teqne	r2, #0
     19		bne	1b
     20		teq	r2, r1
     21		movne	r0, #0
     22		subeq	r0, r0, #1
     23		ret	lr
     24ENDPROC(strchr)