blob: ca7ea5913494f9b66991c1659fcba70f04c525be [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
Vijay Kumar41413a62017-10-11 12:50:02 -060026int fls(unsigned int word);
Vijay Kumarbe52bbe2017-10-11 12:50:03 -060027int __fls(unsigned long word);
Vijay Kumar41413a62017-10-11 12:50:02 -060028
Sam Ravnborgf5e706a2008-07-17 21:55:51 -070029#include <asm-generic/bitops/non-atomic.h>
30
Sam Ravnborgf5e706a2008-07-17 21:55:51 -070031#include <asm-generic/bitops/fls64.h>
32
33#ifdef __KERNEL__
34
Sam Ravnborgf05a6862014-05-16 23:25:50 +020035int ffs(int x);
36unsigned long __ffs(unsigned long);
David S. Miller56d205c2011-08-02 20:23:34 -070037
38#include <asm-generic/bitops/ffz.h>
Sam Ravnborgf5e706a2008-07-17 21:55:51 -070039#include <asm-generic/bitops/sched.h>
Sam Ravnborgf5e706a2008-07-17 21:55:51 -070040
41/*
42 * hweightN: returns the hamming weight (i.e. the number
43 * of bits set) of a N-bit word
44 */
45
Sam Ravnborgf05a6862014-05-16 23:25:50 +020046unsigned 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);
Sam Ravnborgf5e706a2008-07-17 21:55:51 -070050
Peter Zijlstra1527bc82010-02-01 15:03:07 +010051#include <asm-generic/bitops/const_hweight.h>
Sam Ravnborgf5e706a2008-07-17 21:55:51 -070052#include <asm-generic/bitops/lock.h>
53#endif /* __KERNEL__ */
54
55#include <asm-generic/bitops/find.h>
56
57#ifdef __KERNEL__
58
Akinobu Mita861b5ae2011-03-23 16:42:02 -070059#include <asm-generic/bitops/le.h>
Sam Ravnborgf5e706a2008-07-17 21:55:51 -070060
Akinobu Mita148817b2011-07-26 16:09:04 -070061#include <asm-generic/bitops/ext2-atomic-setbit.h>
Sam Ravnborgf5e706a2008-07-17 21:55:51 -070062
Sam Ravnborgf5e706a2008-07-17 21:55:51 -070063#endif /* __KERNEL__ */
64
65#endif /* defined(_SPARC64_BITOPS_H) */