/* * linux/arch/arm/lib/strchr.S * * Copyright (C) 1995-2000 Russell King * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. * * ASM optimised string functions */ #include <linux/linkage.h> #include <asm/assembler.h> .text .align 5 ENTRY(strchr) and r1, r1, #0xff 1: ldrb r2, [r0], #1 teq r2, r1 teqne r2, #0 bne 1b teq r2, r1 movne r0, #0 subeq r0, r0, #1 mov pc, lr