mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-23 04:34:11 +08:00
684f970e2f
Convert ARM bitop assembly to a macro. All bitops follow the same format, so it's silly duplicating the code when only one or two instructions are different. Signed-off-by: Russell King <rmk@arm.linux.org.uk>
23 lines
567 B
ArmAsm
23 lines
567 B
ArmAsm
/*
|
|
* linux/arch/arm/lib/clearbit.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>
|
|
#include "bitops.h"
|
|
.text
|
|
|
|
/*
|
|
* Purpose : Function to clear a bit
|
|
* Prototype: int clear_bit(int bit, void *addr)
|
|
*/
|
|
ENTRY(_clear_bit_be)
|
|
eor r0, r0, #0x18 @ big endian byte ordering
|
|
ENTRY(_clear_bit_le)
|
|
bitop bic
|