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Marc Zyngierf27bb132012-03-05 11:49:33 +00001/*
2 * Copyright (C) 2012 ARM Ltd.
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2 as
6 * published by the Free Software Foundation.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public License
14 * along with this program. If not, see <http://www.gnu.org/licenses/>.
15 */
16#ifndef __ASM_BITOPS_H
17#define __ASM_BITOPS_H
18
19#include <linux/compiler.h>
Marc Zyngierf27bb132012-03-05 11:49:33 +000020#include <asm/barrier.h>
21
Marc Zyngierf27bb132012-03-05 11:49:33 +000022#ifndef _LINUX_BITOPS_H
23#error only <linux/bitops.h> can be included directly
24#endif
25
Catalin Marinas62479582013-03-21 16:28:47 +000026/*
27 * Little endian assembly atomic bitops.
28 */
29extern void set_bit(int nr, volatile unsigned long *p);
30extern void clear_bit(int nr, volatile unsigned long *p);
31extern void change_bit(int nr, volatile unsigned long *p);
32extern int test_and_set_bit(int nr, volatile unsigned long *p);
33extern int test_and_clear_bit(int nr, volatile unsigned long *p);
34extern int test_and_change_bit(int nr, volatile unsigned long *p);
35
Marc Zyngierf27bb132012-03-05 11:49:33 +000036#include <asm-generic/bitops/builtin-__ffs.h>
37#include <asm-generic/bitops/builtin-ffs.h>
38#include <asm-generic/bitops/builtin-__fls.h>
39#include <asm-generic/bitops/builtin-fls.h>
40
41#include <asm-generic/bitops/ffz.h>
42#include <asm-generic/bitops/fls64.h>
43#include <asm-generic/bitops/find.h>
44
45#include <asm-generic/bitops/sched.h>
46#include <asm-generic/bitops/hweight.h>
47#include <asm-generic/bitops/lock.h>
48
Marc Zyngierf27bb132012-03-05 11:49:33 +000049#include <asm-generic/bitops/non-atomic.h>
50#include <asm-generic/bitops/le.h>
Catalin Marinas62479582013-03-21 16:28:47 +000051
52/*
53 * Ext2 is defined to use little-endian byte ordering.
54 */
55#define ext2_set_bit_atomic(lock, nr, p) test_and_set_bit_le(nr, p)
56#define ext2_clear_bit_atomic(lock, nr, p) test_and_clear_bit_le(nr, p)
Marc Zyngierf27bb132012-03-05 11:49:33 +000057
58#endif /* __ASM_BITOPS_H */