1/*
 2 * bitops.h: Bit string operations on the V9.
 3 *
 4 * Copyright 1996, 1997 David S. Miller (davem@caip.rutgers.edu)
 5 */
 6
 7#ifndef _SPARC64_BITOPS_H
 8#define _SPARC64_BITOPS_H
 9
10#ifndef _LINUX_BITOPS_H
11#error only <linux/bitops.h> can be included directly
12#endif
13
14#include <linux/compiler.h>
15#include <asm/byteorder.h>
 
16
17extern int test_and_set_bit(unsigned long nr, volatile unsigned long *addr);
18extern int test_and_clear_bit(unsigned long nr, volatile unsigned long *addr);
19extern int test_and_change_bit(unsigned long nr, volatile unsigned long *addr);
20extern void set_bit(unsigned long nr, volatile unsigned long *addr);
21extern void clear_bit(unsigned long nr, volatile unsigned long *addr);
22extern void change_bit(unsigned long nr, volatile unsigned long *addr);
23
24#include <asm-generic/bitops/non-atomic.h>
 
25
26#define smp_mb__before_clear_bit()	barrier()
27#define smp_mb__after_clear_bit()	barrier()
28
29#include <asm-generic/bitops/fls.h>
30#include <asm-generic/bitops/__fls.h>
31#include <asm-generic/bitops/fls64.h>
32
33#ifdef __KERNEL__
34
35extern int ffs(int x);
36extern unsigned 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
46extern unsigned long __arch_hweight64(__u64 w);
47extern unsigned int __arch_hweight32(unsigned int w);
48extern unsigned int __arch_hweight16(unsigned int w);
49extern unsigned 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#include <asm-generic/bitops/find.h>
56
57#ifdef __KERNEL__
58
59#include <asm-generic/bitops/le.h>
60
61#include <asm-generic/bitops/ext2-atomic-setbit.h>
62
63#endif /* __KERNEL__ */
64
65#endif /* defined(_SPARC64_BITOPS_H) */

 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#include <asm-generic/bitops/find.h>
56
57#ifdef __KERNEL__
58
59#include <asm-generic/bitops/le.h>
60
61#include <asm-generic/bitops/ext2-atomic-setbit.h>
62
63#endif /* __KERNEL__ */
64
65#endif /* defined(_SPARC64_BITOPS_H) */