bitops_64.h (1637B)
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#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) */