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- /*
- * 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
- ENDPROC(strchr)
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