1/*
2 *  linux/arch/arm/lib/strchr.S
3 *
4 *  Copyright (C) 1995-2000 Russell King
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 *
10 *  ASM optimised string functions
11 */
12
13
14#include "assembler.h"
15
16		.text
17		.align	5
18ENTRY(strchr)
19		and	r1, r1, #0xff
201:		ldrb	r2, [r0], #1
21		teq	r2, r1
22		teqne	r2, #0
23		bne	1b
24		teq	r2, r1
25		movne	r0, #0
26		subeq	r0, r0, #1
27		mov	pc, lr
28ENDPROC(strchr)
29