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
  26#include <asm-generic/bitops/non-atomic.h>
  27
  28#include <asm-generic/bitops/fls.h>
  29#include <asm-generic/bitops/__fls.h>
  30#include <asm-generic/bitops/fls64.h>
  31
  32#ifdef __KERNEL__
  33
  34int ffs(int x);
  35unsigned long __ffs(unsigned long);
  36
  37#include <asm-generic/bitops/ffz.h>
  38#include <asm-generic/bitops/sched.h>
  39
  40/*
  41 * hweightN: returns the hamming weight (i.e. the number
  42 * of bits set) of a N-bit word
  43 */
  44
  45unsigned long __arch_hweight64(__u64 w);
  46unsigned int __arch_hweight32(unsigned int w);
  47unsigned int __arch_hweight16(unsigned int w);
  48unsigned int __arch_hweight8(unsigned int w);
  49
  50#include <asm-generic/bitops/const_hweight.h>
  51#include <asm-generic/bitops/lock.h>
  52#endif /* __KERNEL__ */
  53
  54#include <asm-generic/bitops/find.h>
  55
  56#ifdef __KERNEL__
  57
  58#include <asm-generic/bitops/le.h>
  59
  60#include <asm-generic/bitops/ext2-atomic-setbit.h>
  61
  62#endif /* __KERNEL__ */
  63
  64#endif /* defined(_SPARC64_BITOPS_H) */
  65