| /* | |
| * 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 |