arch/sparc/include/asm/bitops_64.h

   1 /*
   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>
  16
  17 extern int test_and_set_bit(unsigned long nr, volatile unsigned long *addr);
  18 extern int test_and_clear_bit(unsigned long nr, volatile unsigned long *addr);
  19 extern int test_and_change_bit(unsigned long nr, volatile unsigned long *addr);
  20 extern void set_bit(unsigned long nr, volatile unsigned long *addr);
  21 extern void clear_bit(unsigned long nr, volatile unsigned long *addr);
  22 extern void change_bit(unsigned long nr, volatile unsigned long *addr);
  23
  24 #include <asm-generic/bitops/non-atomic.h>
  25
  26 #define smp_mb__before_clear_bit()      barrier()
  27 #define smp_mb__after_clear_bit()       barrier()
  28
  29 #include <asm-generic/bitops/fls.h>
  30 #include <asm-generic/bitops/__fls.h>
  31 #include <asm-generic/bitops/fls64.h>
  32
  33 #ifdef __KERNEL__
  34
  35 extern int ffs(int x);
  36 extern 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 extern unsigned long __arch_hweight64(__u64 w);
  47 extern unsigned int __arch_hweight32(unsigned int w);
  48 extern unsigned int __arch_hweight16(unsigned int w);
  49 extern 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) */