| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 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 | int fls(unsigned int word); |
| 27 | int __fls(unsigned long word); |
| 28 | |
| 29 | #include <asm-generic/bitops/non-atomic.h> |
| 30 | |
| 31 | #include <asm-generic/bitops/fls64.h> |
| 32 | |
| 33 | #ifdef __KERNEL__ |
| 34 | |
| 35 | int ffs(int x); |
| 36 | unsigned long __ffs(unsigned long); |
| 37 | |
| 38 | #include <asm-generic/bitops/ffz.h> |
| 39 | #include <asm-generic/bitops/sched.h> |
| 40 | |
| 41 | /* |
| 42 | * hweightN: returns the hamming weight (i.e. the number |
| 43 | * of bits set) of a N-bit word |
| 44 | */ |
| 45 | |
| 46 | unsigned long __arch_hweight64(__u64 w); |
| 47 | unsigned int __arch_hweight32(unsigned int w); |
| 48 | unsigned int __arch_hweight16(unsigned int w); |
| 49 | unsigned int __arch_hweight8(unsigned int w); |
| 50 | |
| 51 | #include <asm-generic/bitops/const_hweight.h> |
| 52 | #include <asm-generic/bitops/lock.h> |
| 53 | #endif /* __KERNEL__ */ |
| 54 | |
| 55 | #include <asm-generic/bitops/find.h> |
| 56 | |
| 57 | #ifdef __KERNEL__ |
| 58 | |
| 59 | #include <asm-generic/bitops/le.h> |
| 60 | |
| 61 | #include <asm-generic/bitops/ext2-atomic-setbit.h> |
| 62 | |
| 63 | #endif /* __KERNEL__ */ |
| 64 | |
| 65 | #endif /* defined(_SPARC64_BITOPS_H) */ |