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 19 int test_and_set_bit(unsigned long nr, volatile unsigned long *addr); 20 int test_and_clear_bit(unsigned long nr, volatile unsigned long *addr); 21 int test_and_change_bit(unsigned long nr, volatile unsigned long *addr); 22 void set_bit(unsigned long nr, volatile unsigned long *addr); 23 void clear_bit(unsigned long nr, volatile unsigned long *addr); 24 void change_bit(unsigned long nr, volatile unsigned long *addr); 25 26 #include <asm-generic/bitops/non-atomic.h> 27 28 #include <asm-generic/bitops/fls.h> 29 #include <asm-generic/bitops/__fls.h> 30 #include <asm-generic/bitops/fls64.h> 31 32 #ifdef __KERNEL__ 33 34 int ffs(int x); 35 unsigned long __ffs(unsigned long); 36 37 #include <asm-generic/bitops/ffz.h> 38 #include <asm-generic/bitops/sched.h> 39 40 /* 41 * hweightN: returns the hamming weight (i.e. the number 42 * of bits set) of a N-bit word 43 */ 44 45 unsigned long __arch_hweight64(__u64 w); 46 unsigned int __arch_hweight32(unsigned int w); 47 unsigned int __arch_hweight16(unsigned int w); 48 unsigned int __arch_hweight8(unsigned int w); 49 50 #include <asm-generic/bitops/const_hweight.h> 51 #include <asm-generic/bitops/lock.h> 52 #endif /* __KERNEL__ */ 53 54 #include <asm-generic/bitops/find.h> 55 56 #ifdef __KERNEL__ 57 58 #include <asm-generic/bitops/le.h> 59 60 #include <asm-generic/bitops/ext2-atomic-setbit.h> 61 62 #endif /* __KERNEL__ */ 63 64 #endif /* defined(_SPARC64_BITOPS_H) */ 65