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#include <asm/barrier.h> 17 18int test_and_set_bit(unsigned long nr, volatile unsigned long *addr); 19int test_and_clear_bit(unsigned long nr, volatile unsigned long *addr); 20int test_and_change_bit(unsigned long nr, volatile unsigned long *addr); 21void set_bit(unsigned long nr, volatile unsigned long *addr); 22void clear_bit(unsigned long nr, volatile unsigned long *addr); 23void change_bit(unsigned long nr, volatile unsigned long *addr); 24 25#include <asm-generic/bitops/non-atomic.h> 26 27#include <asm-generic/bitops/fls.h> 28#include <asm-generic/bitops/__fls.h> 29#include <asm-generic/bitops/fls64.h> 30 31#ifdef __KERNEL__ 32 33int ffs(int x); 34unsigned long __ffs(unsigned long); 35 36#include <asm-generic/bitops/ffz.h> 37#include <asm-generic/bitops/sched.h> 38 39/* 40 * hweightN: returns the hamming weight (i.e. the number 41 * of bits set) of a N-bit word 42 */ 43 44unsigned long __arch_hweight64(__u64 w); 45unsigned int __arch_hweight32(unsigned int w); 46unsigned int __arch_hweight16(unsigned int w); 47unsigned int __arch_hweight8(unsigned int w); 48 49#include <asm-generic/bitops/const_hweight.h> 50#include <asm-generic/bitops/lock.h> 51#endif /* __KERNEL__ */ 52 53#include <asm-generic/bitops/find.h> 54 55#ifdef __KERNEL__ 56 57#include <asm-generic/bitops/le.h> 58 59#include <asm-generic/bitops/ext2-atomic-setbit.h> 60 61#endif /* __KERNEL__ */ 62 63#endif /* defined(_SPARC64_BITOPS_H) */ 64