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Sam Ravnborgf5e706a2008-07-17 21:55:51 -07001/*
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
Sam Ravnborgf5e706a2008-07-17 21:55:51 -070026#define smp_mb__before_clear_bit() barrier()
27#define smp_mb__after_clear_bit() barrier()
Sam Ravnborgf5e706a2008-07-17 21:55:51 -070028
29#include <asm-generic/bitops/ffz.h>
30#include <asm-generic/bitops/__ffs.h>
31#include <asm-generic/bitops/fls.h>
32#include <asm-generic/bitops/__fls.h>
33#include <asm-generic/bitops/fls64.h>
34
35#ifdef __KERNEL__
36
37#include <asm-generic/bitops/sched.h>
38#include <asm-generic/bitops/ffs.h>
39
40/*
41 * hweightN: returns the hamming weight (i.e. the number
42 * of bits set) of a N-bit word
43 */
44
David S. Milleref7c4d42011-07-29 09:42:07 -070045extern unsigned long __arch_hweight64(__u64 w);
46extern unsigned int __arch_hweight32(unsigned int w);
47extern unsigned int __arch_hweight16(unsigned int w);
48extern unsigned 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) */