diff options
Diffstat (limited to 'include/asm-blackfin/bitops.h')
| -rw-r--r-- | include/asm-blackfin/bitops.h | 218 |
1 files changed, 0 insertions, 218 deletions
diff --git a/include/asm-blackfin/bitops.h b/include/asm-blackfin/bitops.h deleted file mode 100644 index b39a175c79c1..000000000000 --- a/include/asm-blackfin/bitops.h +++ /dev/null | |||
| @@ -1,218 +0,0 @@ | |||
| 1 | #ifndef _BLACKFIN_BITOPS_H | ||
| 2 | #define _BLACKFIN_BITOPS_H | ||
| 3 | |||
| 4 | /* | ||
| 5 | * Copyright 1992, Linus Torvalds. | ||
| 6 | */ | ||
| 7 | |||
| 8 | #include <linux/compiler.h> | ||
| 9 | #include <asm/byteorder.h> /* swab32 */ | ||
| 10 | #include <asm/system.h> /* save_flags */ | ||
| 11 | |||
| 12 | #ifdef __KERNEL__ | ||
| 13 | |||
| 14 | #ifndef _LINUX_BITOPS_H | ||
| 15 | #error only <linux/bitops.h> can be included directly | ||
| 16 | #endif | ||
| 17 | |||
| 18 | #include <asm-generic/bitops/ffs.h> | ||
| 19 | #include <asm-generic/bitops/__ffs.h> | ||
| 20 | #include <asm-generic/bitops/sched.h> | ||
| 21 | #include <asm-generic/bitops/ffz.h> | ||
| 22 | |||
| 23 | static __inline__ void set_bit(int nr, volatile unsigned long *addr) | ||
| 24 | { | ||
| 25 | int *a = (int *)addr; | ||
| 26 | int mask; | ||
| 27 | unsigned long flags; | ||
| 28 | |||
| 29 | a += nr >> 5; | ||
| 30 | mask = 1 << (nr & 0x1f); | ||
| 31 | local_irq_save(flags); | ||
| 32 | *a |= mask; | ||
| 33 | local_irq_restore(flags); | ||
| 34 | } | ||
| 35 | |||
| 36 | static __inline__ void __set_bit(int nr, volatile unsigned long *addr) | ||
| 37 | { | ||
| 38 | int *a = (int *)addr; | ||
| 39 | int mask; | ||
| 40 | |||
| 41 | a += nr >> 5; | ||
| 42 | mask = 1 << (nr & 0x1f); | ||
| 43 | *a |= mask; | ||
| 44 | } | ||
| 45 | |||
| 46 | /* | ||
| 47 | * clear_bit() doesn't provide any barrier for the compiler. | ||
| 48 | */ | ||
| 49 | #define smp_mb__before_clear_bit() barrier() | ||
| 50 | #define smp_mb__after_clear_bit() barrier() | ||
| 51 | |||
| 52 | static __inline__ void clear_bit(int nr, volatile unsigned long *addr) | ||
| 53 | { | ||
| 54 | int *a = (int *)addr; | ||
| 55 | int mask; | ||
| 56 | unsigned long flags; | ||
| 57 | a += nr >> 5; | ||
| 58 | mask = 1 << (nr & 0x1f); | ||
| 59 | local_irq_save(flags); | ||
| 60 | *a &= ~mask; | ||
| 61 | local_irq_restore(flags); | ||
| 62 | } | ||
| 63 | |||
| 64 | static __inline__ void __clear_bit(int nr, volatile unsigned long *addr) | ||
| 65 | { | ||
| 66 | int *a = (int *)addr; | ||
| 67 | int mask; | ||
| 68 | |||
| 69 | a += nr >> 5; | ||
| 70 | mask = 1 << (nr & 0x1f); | ||
| 71 | *a &= ~mask; | ||
| 72 | } | ||
| 73 | |||
| 74 | static __inline__ void change_bit(int nr, volatile unsigned long *addr) | ||
| 75 | { | ||
| 76 | int mask, flags; | ||
| 77 | unsigned long *ADDR = (unsigned long *)addr; | ||
| 78 | |||
| 79 | ADDR += nr >> 5; | ||
| 80 | mask = 1 << (nr & 31); | ||
| 81 | local_irq_save(flags); | ||
| 82 | *ADDR ^= mask; | ||
| 83 | local_irq_restore(flags); | ||
| 84 | } | ||
| 85 | |||
| 86 | static __inline__ void __change_bit(int nr, volatile unsigned long *addr) | ||
| 87 | { | ||
| 88 | int mask; | ||
| 89 | unsigned long *ADDR = (unsigned long *)addr; | ||
| 90 | |||
| 91 | ADDR += nr >> 5; | ||
| 92 | mask = 1 << (nr & 31); | ||
| 93 | *ADDR ^= mask; | ||
| 94 | } | ||
| 95 | |||
| 96 | static __inline__ int test_and_set_bit(int nr, void *addr) | ||
| 97 | { | ||
| 98 | int mask, retval; | ||
| 99 | volatile unsigned int *a = (volatile unsigned int *)addr; | ||
| 100 | unsigned long flags; | ||
| 101 | |||
| 102 | a += nr >> 5; | ||
| 103 | mask = 1 << (nr & 0x1f); | ||
| 104 | local_irq_save(flags); | ||
| 105 | retval = (mask & *a) != 0; | ||
| 106 | *a |= mask; | ||
| 107 | local_irq_restore(flags); | ||
| 108 | |||
| 109 | return retval; | ||
| 110 | } | ||
| 111 | |||
| 112 | static __inline__ int __test_and_set_bit(int nr, volatile unsigned long *addr) | ||
| 113 | { | ||
| 114 | int mask, retval; | ||
| 115 | volatile unsigned int *a = (volatile unsigned int *)addr; | ||
| 116 | |||
| 117 | a += nr >> 5; | ||
| 118 | mask = 1 << (nr & 0x1f); | ||
| 119 | retval = (mask & *a) != 0; | ||
| 120 | *a |= mask; | ||
| 121 | return retval; | ||
| 122 | } | ||
| 123 | |||
| 124 | static __inline__ int test_and_clear_bit(int nr, volatile unsigned long *addr) | ||
| 125 | { | ||
| 126 | int mask, retval; | ||
| 127 | volatile unsigned int *a = (volatile unsigned int *)addr; | ||
| 128 | unsigned long flags; | ||
| 129 | |||
| 130 | a += nr >> 5; | ||
| 131 | mask = 1 << (nr & 0x1f); | ||
| 132 | local_irq_save(flags); | ||
| 133 | retval = (mask & *a) != 0; | ||
| 134 | *a &= ~mask; | ||
| 135 | local_irq_restore(flags); | ||
| 136 | |||
| 137 | return retval; | ||
| 138 | } | ||
| 139 | |||
| 140 | static __inline__ int __test_and_clear_bit(int nr, volatile unsigned long *addr) | ||
| 141 | { | ||
| 142 | int mask, retval; | ||
| 143 | volatile unsigned int *a = (volatile unsigned int *)addr; | ||
| 144 | |||
| 145 | a += nr >> 5; | ||
| 146 | mask = 1 << (nr & 0x1f); | ||
| 147 | retval = (mask & *a) != 0; | ||
| 148 | *a &= ~mask; | ||
| 149 | return retval; | ||
| 150 | } | ||
| 151 | |||
| 152 | static __inline__ int test_and_change_bit(int nr, volatile unsigned long *addr) | ||
| 153 | { | ||
| 154 | int mask, retval; | ||
| 155 | volatile unsigned int *a = (volatile unsigned int *)addr; | ||
| 156 | unsigned long flags; | ||
| 157 | |||
| 158 | a += nr >> 5; | ||
| 159 | mask = 1 << (nr & 0x1f); | ||
| 160 | local_irq_save(flags); | ||
| 161 | retval = (mask & *a) != 0; | ||
| 162 | *a ^= mask; | ||
| 163 | local_irq_restore(flags); | ||
| 164 | return retval; | ||
| 165 | } | ||
| 166 | |||
| 167 | static __inline__ int __test_and_change_bit(int nr, | ||
| 168 | volatile unsigned long *addr) | ||
| 169 | { | ||
| 170 | int mask, retval; | ||
| 171 | volatile unsigned int *a = (volatile unsigned int *)addr; | ||
| 172 | |||
| 173 | a += nr >> 5; | ||
| 174 | mask = 1 << (nr & 0x1f); | ||
| 175 | retval = (mask & *a) != 0; | ||
| 176 | *a ^= mask; | ||
| 177 | return retval; | ||
| 178 | } | ||
| 179 | |||
| 180 | /* | ||
| 181 | * This routine doesn't need to be atomic. | ||
| 182 | */ | ||
| 183 | static __inline__ int __constant_test_bit(int nr, const void *addr) | ||
| 184 | { | ||
| 185 | return ((1UL << (nr & 31)) & | ||
| 186 | (((const volatile unsigned int *)addr)[nr >> 5])) != 0; | ||
| 187 | } | ||
| 188 | |||
| 189 | static __inline__ int __test_bit(int nr, const void *addr) | ||
| 190 | { | ||
| 191 | int *a = (int *)addr; | ||
| 192 | int mask; | ||
| 193 | |||
| 194 | a += nr >> 5; | ||
| 195 | mask = 1 << (nr & 0x1f); | ||
| 196 | return ((mask & *a) != 0); | ||
| 197 | } | ||
| 198 | |||
| 199 | #define test_bit(nr,addr) \ | ||
| 200 | (__builtin_constant_p(nr) ? \ | ||
| 201 | __constant_test_bit((nr),(addr)) : \ | ||
| 202 | __test_bit((nr),(addr))) | ||
| 203 | |||
| 204 | #include <asm-generic/bitops/find.h> | ||
| 205 | #include <asm-generic/bitops/hweight.h> | ||
| 206 | #include <asm-generic/bitops/lock.h> | ||
| 207 | |||
| 208 | #include <asm-generic/bitops/ext2-atomic.h> | ||
| 209 | #include <asm-generic/bitops/ext2-non-atomic.h> | ||
| 210 | |||
| 211 | #include <asm-generic/bitops/minix.h> | ||
| 212 | |||
| 213 | #endif /* __KERNEL__ */ | ||
| 214 | |||
| 215 | #include <asm-generic/bitops/fls.h> | ||
| 216 | #include <asm-generic/bitops/fls64.h> | ||
| 217 | |||
| 218 | #endif /* _BLACKFIN_BITOPS_H */ | ||
