root/arch/sparc/include/asm/bitops_64.h

INCLUDED FROM

   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 
  19 int test_and_set_bit(unsigned long nr, volatile unsigned long *addr);
  20 int test_and_clear_bit(unsigned long nr, volatile unsigned long *addr);
  21 int test_and_change_bit(unsigned long nr, volatile unsigned long *addr);
  22 void set_bit(unsigned long nr, volatile unsigned long *addr);
  23 void clear_bit(unsigned long nr, volatile unsigned long *addr);
  24 void change_bit(unsigned long nr, volatile unsigned long *addr);
  25 
  26 int fls(unsigned int word);
  27 int __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 
  35 int ffs(int x);
  36 unsigned 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 
  46 unsigned long __arch_hweight64(__u64 w);
  47 unsigned int __arch_hweight32(unsigned int w);
  48 unsigned int __arch_hweight16(unsigned int w);
  49 unsigned 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) */