| /* SPDX-License-Identifier: GPL-2.0 */ |
| /* |
| * 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> |
| #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) */ |
