blob: 2d522402a9375ca22aac8f06276c2bc530b61107 [file] [log] [blame]
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>
Peter Zijlstra56d36482014-03-13 19:00:35 +010016#include <asm/barrier.h>
Sam Ravnborgf5e706a2008-07-17 21:55:51 -070017
Sam Ravnborgf05a6862014-05-16 23:25:50 +020018int test_and_set_bit(unsigned long nr, volatile unsigned long *addr);
19int test_and_clear_bit(unsigned long nr, volatile unsigned long *addr);
20int test_and_change_bit(unsigned long nr, volatile unsigned long *addr);
21void set_bit(unsigned long nr, volatile unsigned long *addr);
22void clear_bit(unsigned long nr, volatile unsigned long *addr);
23void change_bit(unsigned long nr, volatile unsigned long *addr);
Sam Ravnborgf5e706a2008-07-17 21:55:51 -070024
25#include <asm-generic/bitops/non-atomic.h>
26
Sam Ravnborgf5e706a2008-07-17 21:55:51 -070027#include <asm-generic/bitops/fls.h>
28#include <asm-generic/bitops/__fls.h>
29#include <asm-generic/bitops/fls64.h>
30
31#ifdef __KERNEL__
32
Sam Ravnborgf05a6862014-05-16 23:25:50 +020033int ffs(int x);
34unsigned long __ffs(unsigned long);
David S. Miller56d205c2011-08-02 20:23:34 -070035
36#include <asm-generic/bitops/ffz.h>
Sam Ravnborgf5e706a2008-07-17 21:55:51 -070037#include <asm-generic/bitops/sched.h>
Sam Ravnborgf5e706a2008-07-17 21:55:51 -070038
39/*
40 * hweightN: returns the hamming weight (i.e. the number
41 * of bits set) of a N-bit word
42 */
43
Sam Ravnborgf05a6862014-05-16 23:25:50 +020044unsigned long __arch_hweight64(__u64 w);
45unsigned int __arch_hweight32(unsigned int w);
46unsigned int __arch_hweight16(unsigned int w);
47unsigned int __arch_hweight8(unsigned int w);
Sam Ravnborgf5e706a2008-07-17 21:55:51 -070048
Peter Zijlstra1527bc82010-02-01 15:03:07 +010049#include <asm-generic/bitops/const_hweight.h>
Sam Ravnborgf5e706a2008-07-17 21:55:51 -070050#include <asm-generic/bitops/lock.h>
51#endif /* __KERNEL__ */
52
53#include <asm-generic/bitops/find.h>
54
55#ifdef __KERNEL__
56
Akinobu Mita861b5ae2011-03-23 16:42:02 -070057#include <asm-generic/bitops/le.h>
Sam Ravnborgf5e706a2008-07-17 21:55:51 -070058
Akinobu Mita148817b2011-07-26 16:09:04 -070059#include <asm-generic/bitops/ext2-atomic-setbit.h>
Sam Ravnborgf5e706a2008-07-17 21:55:51 -070060
Sam Ravnborgf5e706a2008-07-17 21:55:51 -070061#endif /* __KERNEL__ */
62
63#endif /* defined(_SPARC64_BITOPS_H) */