| /* |
| * 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> |
| #include <asm/export.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 |
| ret lr |
| ENDPROC(strchr) |
| EXPORT_SYMBOL(strchr) |