1/* SPDX-License-Identifier: GPL-2.0 */
2/*
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>
17#include <asm/barrier.h>
18
19int 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);
25
26int fls(unsigned int word);
27int __fls(unsigned long word);
28
29#include <asm-generic/bitops/non-atomic.h>
30
31#include <asm-generic/bitops/fls64.h>
32
33#ifdef __KERNEL__
34
35int ffs(int x);
36unsigned long __ffs(unsigned long);
37
38#include <asm-generic/bitops/ffz.h>
39#include <asm-generic/bitops/sched.h>
40
41/*
42 * hweightN: returns the hamming weight (i.e. the number
43 * of bits set) of a N-bit word
44 */
45
46unsigned long __arch_hweight64(__u64 w);
47unsigned int __arch_hweight32(unsigned int w);
48unsigned int __arch_hweight16(unsigned int w);
49unsigned int __arch_hweight8(unsigned int w);
50
51#include <asm-generic/bitops/const_hweight.h>
52#include <asm-generic/bitops/lock.h>
53#endif /* __KERNEL__ */
54
55#ifdef __KERNEL__
56
57#include <asm-generic/bitops/le.h>
58
59#include <asm-generic/bitops/ext2-atomic-setbit.h>
60
61#endif /* __KERNEL__ */
62
63#endif /* defined(_SPARC64_BITOPS_H) */
64