projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| f5e706ad SR |
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> | |
| 56d36489 | 17 | #include <asm/barrier.h> |
| f5e706ad | 18 | |
| f05a6865 SR |
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); | |
| f5e706ad | 25 | |
| 41413a60 | 26 | int fls(unsigned int word); |
| be52bbe3 | 27 | int __fls(unsigned long word); |
| 41413a60 | 28 | |
| f5e706ad SR |
29 | #include <asm-generic/bitops/non-atomic.h> |
| 30 | ||
| f5e706ad SR |
31 | #include <asm-generic/bitops/fls64.h> |
| 32 | ||
| 33 | #ifdef __KERNEL__ | |
| 34 | ||
| f05a6865 SR |
35 | int ffs(int x); |
| 36 | unsigned long __ffs(unsigned long); | |
| 56d205cc DM |
37 | |
| 38 | #include <asm-generic/bitops/ffz.h> | |
| f5e706ad | 39 | #include <asm-generic/bitops/sched.h> |
| f5e706ad SR |
40 | |
| 41 | /* | |
| 42 | * hweightN: returns the hamming weight (i.e. the number | |
| 43 | * of bits set) of a N-bit word | |
| 44 | */ | |
| 45 | ||
| f05a6865 SR |
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); | |
| f5e706ad | 50 | |
| 1527bc8b | 51 | #include <asm-generic/bitops/const_hweight.h> |
| f5e706ad SR |
52 | #include <asm-generic/bitops/lock.h> |
| 53 | #endif /* __KERNEL__ */ | |
| 54 | ||
| f5e706ad SR |
55 | #ifdef __KERNEL__ |
| 56 | ||
| 861b5ae7 | 57 | #include <asm-generic/bitops/le.h> |
| f5e706ad | 58 | |
| 148817ba | 59 | #include <asm-generic/bitops/ext2-atomic-setbit.h> |
| f5e706ad | 60 | |
| f5e706ad SR |
61 | #endif /* __KERNEL__ */ |
| 62 | ||
| 63 | #endif /* defined(_SPARC64_BITOPS_H) */ |