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- /* SPDX-License-Identifier: GPL-2.0 */
- /*
- * bitops.h: Bit string operations on the V9.
- *
- * Copyright 1996, 1997 David S. Miller ([email protected])
- */
- #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) */
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