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 18 int test_and_set_bit(unsigned long nr, volatile unsigned long *addr); 19 int test_and_clear_bit(unsigned long nr, volatile unsigned long *addr); 20 int test_and_change_bit(unsigned long nr, volatile unsigned long *addr); 21 void set_bit(unsigned long nr, volatile unsigned long *addr); 22 void clear_bit(unsigned long nr, volatile unsigned long *addr); 23 void 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 33 int ffs(int x); 34 unsigned 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 44 unsigned long __arch_hweight64(__u64 w); 45 unsigned int __arch_hweight32(unsigned int w); 46 unsigned int __arch_hweight16(unsigned int w); 47 unsigned 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