1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * bitops.h: Bit string operations on the V9. 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * Copyright 1996, 1997 David S. Miller (davem@caip.rutgers.edu) 6*4882a593Smuzhiyun */ 7*4882a593Smuzhiyun 8*4882a593Smuzhiyun #ifndef _SPARC64_BITOPS_H 9*4882a593Smuzhiyun #define _SPARC64_BITOPS_H 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun #ifndef _LINUX_BITOPS_H 12*4882a593Smuzhiyun #error only <linux/bitops.h> can be included directly 13*4882a593Smuzhiyun #endif 14*4882a593Smuzhiyun 15*4882a593Smuzhiyun #include <linux/compiler.h> 16*4882a593Smuzhiyun #include <asm/byteorder.h> 17*4882a593Smuzhiyun #include <asm/barrier.h> 18*4882a593Smuzhiyun 19*4882a593Smuzhiyun int test_and_set_bit(unsigned long nr, volatile unsigned long *addr); 20*4882a593Smuzhiyun int test_and_clear_bit(unsigned long nr, volatile unsigned long *addr); 21*4882a593Smuzhiyun int test_and_change_bit(unsigned long nr, volatile unsigned long *addr); 22*4882a593Smuzhiyun void set_bit(unsigned long nr, volatile unsigned long *addr); 23*4882a593Smuzhiyun void clear_bit(unsigned long nr, volatile unsigned long *addr); 24*4882a593Smuzhiyun void change_bit(unsigned long nr, volatile unsigned long *addr); 25*4882a593Smuzhiyun 26*4882a593Smuzhiyun int fls(unsigned int word); 27*4882a593Smuzhiyun int __fls(unsigned long word); 28*4882a593Smuzhiyun 29*4882a593Smuzhiyun #include <asm-generic/bitops/non-atomic.h> 30*4882a593Smuzhiyun 31*4882a593Smuzhiyun #include <asm-generic/bitops/fls64.h> 32*4882a593Smuzhiyun 33*4882a593Smuzhiyun #ifdef __KERNEL__ 34*4882a593Smuzhiyun 35*4882a593Smuzhiyun int ffs(int x); 36*4882a593Smuzhiyun unsigned long __ffs(unsigned long); 37*4882a593Smuzhiyun 38*4882a593Smuzhiyun #include <asm-generic/bitops/ffz.h> 39*4882a593Smuzhiyun #include <asm-generic/bitops/sched.h> 40*4882a593Smuzhiyun 41*4882a593Smuzhiyun /* 42*4882a593Smuzhiyun * hweightN: returns the hamming weight (i.e. the number 43*4882a593Smuzhiyun * of bits set) of a N-bit word 44*4882a593Smuzhiyun */ 45*4882a593Smuzhiyun 46*4882a593Smuzhiyun unsigned long __arch_hweight64(__u64 w); 47*4882a593Smuzhiyun unsigned int __arch_hweight32(unsigned int w); 48*4882a593Smuzhiyun unsigned int __arch_hweight16(unsigned int w); 49*4882a593Smuzhiyun unsigned int __arch_hweight8(unsigned int w); 50*4882a593Smuzhiyun 51*4882a593Smuzhiyun #include <asm-generic/bitops/const_hweight.h> 52*4882a593Smuzhiyun #include <asm-generic/bitops/lock.h> 53*4882a593Smuzhiyun #endif /* __KERNEL__ */ 54*4882a593Smuzhiyun 55*4882a593Smuzhiyun #include <asm-generic/bitops/find.h> 56*4882a593Smuzhiyun 57*4882a593Smuzhiyun #ifdef __KERNEL__ 58*4882a593Smuzhiyun 59*4882a593Smuzhiyun #include <asm-generic/bitops/le.h> 60*4882a593Smuzhiyun 61*4882a593Smuzhiyun #include <asm-generic/bitops/ext2-atomic-setbit.h> 62*4882a593Smuzhiyun 63*4882a593Smuzhiyun #endif /* __KERNEL__ */ 64*4882a593Smuzhiyun 65*4882a593Smuzhiyun #endif /* defined(_SPARC64_BITOPS_H) */ 66