LXR linux/arch/sparc/include/asm/bitops

   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) */
  66