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/* * 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> extern int test_and_set_bit(unsigned long nr, volatile unsigned long *addr); extern int test_and_clear_bit(unsigned long nr, volatile unsigned long *addr); extern int test_and_change_bit(unsigned long nr, volatile unsigned long *addr); extern void set_bit(unsigned long nr, volatile unsigned long *addr); extern void clear_bit(unsigned long nr, volatile unsigned long *addr); extern void change_bit(unsigned long nr, volatile unsigned long *addr); #include <asm-generic/bitops/non-atomic.h> #define smp_mb__before_clear_bit() barrier() #define smp_mb__after_clear_bit() barrier() #include <asm-generic/bitops/fls.h> #include <asm-generic/bitops/__fls.h> #include <asm-generic/bitops/fls64.h> #ifdef __KERNEL__ extern int ffs(int x); extern 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 */ extern unsigned long __arch_hweight64(__u64 w); extern unsigned int __arch_hweight32(unsigned int w); extern unsigned int __arch_hweight16(unsigned int w); extern unsigned int __arch_hweight8(unsigned int w); #include <asm-generic/bitops/const_hweight.h> #include <asm-generic/bitops/lock.h> #endif /* __KERNEL__ */ #include <asm-generic/bitops/find.h> #ifdef __KERNEL__ #include <asm-generic/bitops/le.h> #include <asm-generic/bitops/ext2-atomic-setbit.h> #endif /* __KERNEL__ */ #endif /* defined(_SPARC64_BITOPS_H) */