| Sam Ravnborg | f5e706a | 2008-07-17 21:55:51 -0700 | [diff] [blame] | 1 | /* |
| 2 | * bitops.h: Bit string operations on the V9. |
| 3 | * |
| 4 | * Copyright 1996, 1997 David S. Miller (davem@caip.rutgers.edu) |
| 5 | */ |
| 6 | |
| 7 | #ifndef _SPARC64_BITOPS_H |
| 8 | #define _SPARC64_BITOPS_H |
| 9 | |
| 10 | #ifndef _LINUX_BITOPS_H |
| 11 | #error only <linux/bitops.h> can be included directly |
| 12 | #endif |
| 13 | |
| 14 | #include <linux/compiler.h> |
| 15 | #include <asm/byteorder.h> |
| 16 | |
| 17 | extern int test_and_set_bit(unsigned long nr, volatile unsigned long *addr); |
| 18 | extern int test_and_clear_bit(unsigned long nr, volatile unsigned long *addr); |
| 19 | extern int test_and_change_bit(unsigned long nr, volatile unsigned long *addr); |
| 20 | extern void set_bit(unsigned long nr, volatile unsigned long *addr); |
| 21 | extern void clear_bit(unsigned long nr, volatile unsigned long *addr); |
| 22 | extern void change_bit(unsigned long nr, volatile unsigned long *addr); |
| 23 | |
| 24 | #include <asm-generic/bitops/non-atomic.h> |
| 25 | |
| Sam Ravnborg | f5e706a | 2008-07-17 21:55:51 -0700 | [diff] [blame] | 26 | #define smp_mb__before_clear_bit() barrier() |
| 27 | #define smp_mb__after_clear_bit() barrier() |
| Sam Ravnborg | f5e706a | 2008-07-17 21:55:51 -0700 | [diff] [blame] | 28 | |
| Sam Ravnborg | f5e706a | 2008-07-17 21:55:51 -0700 | [diff] [blame] | 29 | #include <asm-generic/bitops/fls.h> |
| 30 | #include <asm-generic/bitops/__fls.h> |
| 31 | #include <asm-generic/bitops/fls64.h> |
| 32 | |
| 33 | #ifdef __KERNEL__ |
| 34 | |
| David S. Miller | 56d205c | 2011-08-02 20:23:34 -0700 | [diff] [blame] | 35 | extern int ffs(int x); |
| 36 | extern unsigned long __ffs(unsigned long); |
| 37 | |
| 38 | #include <asm-generic/bitops/ffz.h> |
| Sam Ravnborg | f5e706a | 2008-07-17 21:55:51 -0700 | [diff] [blame] | 39 | #include <asm-generic/bitops/sched.h> |
| Sam Ravnborg | f5e706a | 2008-07-17 21:55:51 -0700 | [diff] [blame] | 40 | |
| 41 | /* |
| 42 | * hweightN: returns the hamming weight (i.e. the number |
| 43 | * of bits set) of a N-bit word |
| 44 | */ |
| 45 | |
| David S. Miller | ef7c4d4 | 2011-07-29 09:42:07 -0700 | [diff] [blame] | 46 | extern unsigned long __arch_hweight64(__u64 w); |
| 47 | extern unsigned int __arch_hweight32(unsigned int w); |
| 48 | extern unsigned int __arch_hweight16(unsigned int w); |
| 49 | extern unsigned int __arch_hweight8(unsigned int w); |
| Sam Ravnborg | f5e706a | 2008-07-17 21:55:51 -0700 | [diff] [blame] | 50 | |
| Peter Zijlstra | 1527bc8 | 2010-02-01 15:03:07 +0100 | [diff] [blame] | 51 | #include <asm-generic/bitops/const_hweight.h> |
| Sam Ravnborg | f5e706a | 2008-07-17 21:55:51 -0700 | [diff] [blame] | 52 | #include <asm-generic/bitops/lock.h> |
| 53 | #endif /* __KERNEL__ */ |
| 54 | |
| 55 | #include <asm-generic/bitops/find.h> |
| 56 | |
| 57 | #ifdef __KERNEL__ |
| 58 | |
| Akinobu Mita | 861b5ae | 2011-03-23 16:42:02 -0700 | [diff] [blame] | 59 | #include <asm-generic/bitops/le.h> |
| Sam Ravnborg | f5e706a | 2008-07-17 21:55:51 -0700 | [diff] [blame] | 60 | |
| Akinobu Mita | 148817b | 2011-07-26 16:09:04 -0700 | [diff] [blame] | 61 | #include <asm-generic/bitops/ext2-atomic-setbit.h> |
| Sam Ravnborg | f5e706a | 2008-07-17 21:55:51 -0700 | [diff] [blame] | 62 | |
| Sam Ravnborg | f5e706a | 2008-07-17 21:55:51 -0700 | [diff] [blame] | 63 | #endif /* __KERNEL__ */ |
| 64 | |
| 65 | #endif /* defined(_SPARC64_BITOPS_H) */ |