64 lines
1.6 KiB
C
64 lines
1.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
/*
|
|
* bitops.h: Bit string operations on the V9.
|
|
*
|
|
* Copyright 1996, 1997 David S. Miller (davem@caip.rutgers.edu)
|
|
*/
|
|
|
|
#ifndef _SPARC64_BITOPS_H
|
|
#define _SPARC64_BITOPS_H
|
|
|
|
#ifndef _LINUX_BITOPS_H
|
|
#error only <linux/bitops.h> can be included directly
|
|
#endif
|
|
|
|
#include <linux/compiler.h>
|
|
#include <asm/byteorder.h>
|
|
#include <asm/barrier.h>
|
|
|
|
int test_and_set_bit(unsigned long nr, volatile unsigned long *addr);
|
|
int test_and_clear_bit(unsigned long nr, volatile unsigned long *addr);
|
|
int test_and_change_bit(unsigned long nr, volatile unsigned long *addr);
|
|
void set_bit(unsigned long nr, volatile unsigned long *addr);
|
|
void clear_bit(unsigned long nr, volatile unsigned long *addr);
|
|
void change_bit(unsigned long nr, volatile unsigned long *addr);
|
|
|
|
int fls(unsigned int word);
|
|
int __fls(unsigned long word);
|
|
|
|
#include <asm-generic/bitops/non-atomic.h>
|
|
|
|
#include <asm-generic/bitops/fls64.h>
|
|
|
|
#ifdef __KERNEL__
|
|
|
|
int ffs(int x);
|
|
unsigned long __ffs(unsigned long);
|
|
|
|
#include <asm-generic/bitops/ffz.h>
|
|
#include <asm-generic/bitops/sched.h>
|
|
|
|
/*
|
|
* hweightN: returns the hamming weight (i.e. the number
|
|
* of bits set) of a N-bit word
|
|
*/
|
|
|
|
unsigned long __arch_hweight64(__u64 w);
|
|
unsigned int __arch_hweight32(unsigned int w);
|
|
unsigned int __arch_hweight16(unsigned int w);
|
|
unsigned int __arch_hweight8(unsigned int w);
|
|
|
|
#include <asm-generic/bitops/const_hweight.h>
|
|
#include <asm-generic/bitops/lock.h>
|
|
#endif /* __KERNEL__ */
|
|
|
|
#ifdef __KERNEL__
|
|
|
|
#include <asm-generic/bitops/le.h>
|
|
|
|
#include <asm-generic/bitops/ext2-atomic-setbit.h>
|
|
|
|
#endif /* __KERNEL__ */
|
|
|
|
#endif /* defined(_SPARC64_BITOPS_H) */
|