/* * linux/arch/arm26/lib/testsetbit.S * * Copyright (C) 1995-1996 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. */ #include <linux/linkage.h> #include <asm/assembler.h> .text ENTRY(_test_and_set_bit_be) eor r0, r0, #0x18 @ big endian byte ordering ENTRY(_test_and_set_bit_le) add r1, r1, r0, lsr #3 @ Get byte offset and r3, r0, #7 @ Get bit offset mov r0, #1 save_and_disable_irqs ip, r2 ldrb r2, [r1] tst r2, r0, lsl r3 orr r2, r2, r0, lsl r3 strb r2, [r1] restore_irqs ip moveq r0, #0 RETINSTR(mov,pc,lr)