2 * linux/arch/arm26/lib/setbit.S
4 * Copyright (C) 1995-1996 Russell King
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.
10 #include <linux/linkage.h>
11 #include <asm/assembler.h>
15 * Purpose : Function to set a bit
16 * Prototype: int set_bit(int bit, void *addr)
19 eor r0, r0, #0x18 @ big endian byte ordering
24 save_and_disable_irqs ip, r2
25 ldrb r2, [r1, r0, lsr #3]
27 strb r2, [r1, r0, lsr #3]