blob: a90eea24b2862fcc9fa297f37c494da3eda6ecc5 [file] [log] [blame]
Greg Kroah-Hartmanb2441312017-11-01 15:07:57 +01001/* SPDX-License-Identifier: GPL-2.0 */
Sam Ravnborgf5e706a2008-07-17 21:55:51 -07002/*
3 * bitops.h: Bit string operations on the V9.
4 *
5 * Copyright 1996, 1997 David S. Miller (davem@caip.rutgers.edu)
6 */
7
8#ifndef _SPARC64_BITOPS_H
9#define _SPARC64_BITOPS_H
10
11#ifndef _LINUX_BITOPS_H
12#error only <linux/bitops.h> can be included directly
13#endif
14
15#include <linux/compiler.h>
16#include <asm/byteorder.h>
Peter Zijlstra56d36482014-03-13 19:00:35 +010017#include <asm/barrier.h>
Sam Ravnborgf5e706a2008-07-17 21:55:51 -070018
Sam Ravnborgf05a6862014-05-16 23:25:50 +020019int test_and_set_bit(unsigned long nr, volatile unsigned long *addr);
20int test_and_clear_bit(unsigned long nr, volatile unsigned long *addr);
21int test_and_change_bit(unsigned long nr, volatile unsigned long *addr);
22void set_bit(unsigned long nr, volatile unsigned long *addr);
23void clear_bit(unsigned long nr, volatile unsigned long *addr);
24void change_bit(unsigned long nr, volatile unsigned long *addr);
Sam Ravnborgf5e706a2008-07-17 21:55:51 -070025
26#include <asm-generic/bitops/non-atomic.h>
27
Sam Ravnborgf5e706a2008-07-17 21:55:51 -070028#include <asm-generic/bitops/fls.h>
29#include <asm-generic/bitops/__fls.h>
30#include <asm-generic/bitops/fls64.h>
31
32#ifdef __KERNEL__
33
Sam Ravnborgf05a6862014-05-16 23:25:50 +020034int ffs(int x);
35unsigned long __ffs(unsigned long);
David S. Miller56d205c2011-08-02 20:23:34 -070036
37#include <asm-generic/bitops/ffz.h>
Sam Ravnborgf5e706a2008-07-17 21:55:51 -070038#include <asm-generic/bitops/sched.h>
Sam Ravnborgf5e706a2008-07-17 21:55:51 -070039
40/*
41 * hweightN: returns the hamming weight (i.e. the number
42 * of bits set) of a N-bit word
43 */
44
Sam Ravnborgf05a6862014-05-16 23:25:50 +020045unsigned long __arch_hweight64(__u64 w);
46unsigned int __arch_hweight32(unsigned int w);
47unsigned int __arch_hweight16(unsigned int w);
48unsigned int __arch_hweight8(unsigned int w);
Sam Ravnborgf5e706a2008-07-17 21:55:51 -070049
Peter Zijlstra1527bc82010-02-01 15:03:07 +010050#include <asm-generic/bitops/const_hweight.h>
Sam Ravnborgf5e706a2008-07-17 21:55:51 -070051#include <asm-generic/bitops/lock.h>
52#endif /* __KERNEL__ */
53
54#include <asm-generic/bitops/find.h>
55
56#ifdef __KERNEL__
57
Akinobu Mita861b5ae2011-03-23 16:42:02 -070058#include <asm-generic/bitops/le.h>
Sam Ravnborgf5e706a2008-07-17 21:55:51 -070059
Akinobu Mita148817b2011-07-26 16:09:04 -070060#include <asm-generic/bitops/ext2-atomic-setbit.h>
Sam Ravnborgf5e706a2008-07-17 21:55:51 -070061
Sam Ravnborgf5e706a2008-07-17 21:55:51 -070062#endif /* __KERNEL__ */
63
64#endif /* defined(_SPARC64_BITOPS_H) */