diff options
Diffstat (limited to 'tools/perf/util/include/linux/bitmap.h')
| -rw-r--r-- | tools/perf/util/include/linux/bitmap.h | 66 |
1 files changed, 0 insertions, 66 deletions
diff --git a/tools/perf/util/include/linux/bitmap.h b/tools/perf/util/include/linux/bitmap.h deleted file mode 100644 index 40bd21488032..000000000000 --- a/tools/perf/util/include/linux/bitmap.h +++ /dev/null | |||
| @@ -1,66 +0,0 @@ | |||
| 1 | #ifndef _PERF_BITOPS_H | ||
| 2 | #define _PERF_BITOPS_H | ||
| 3 | |||
| 4 | #include <string.h> | ||
| 5 | #include <linux/bitops.h> | ||
| 6 | |||
| 7 | #define DECLARE_BITMAP(name,bits) \ | ||
| 8 | unsigned long name[BITS_TO_LONGS(bits)] | ||
| 9 | |||
| 10 | int __bitmap_weight(const unsigned long *bitmap, int bits); | ||
| 11 | void __bitmap_or(unsigned long *dst, const unsigned long *bitmap1, | ||
| 12 | const unsigned long *bitmap2, int bits); | ||
| 13 | |||
| 14 | #define BITMAP_LAST_WORD_MASK(nbits) \ | ||
| 15 | ( \ | ||
| 16 | ((nbits) % BITS_PER_LONG) ? \ | ||
| 17 | (1UL<<((nbits) % BITS_PER_LONG))-1 : ~0UL \ | ||
| 18 | ) | ||
| 19 | |||
| 20 | #define small_const_nbits(nbits) \ | ||
| 21 | (__builtin_constant_p(nbits) && (nbits) <= BITS_PER_LONG) | ||
| 22 | |||
| 23 | static inline void bitmap_zero(unsigned long *dst, int nbits) | ||
| 24 | { | ||
| 25 | if (small_const_nbits(nbits)) | ||
| 26 | *dst = 0UL; | ||
| 27 | else { | ||
| 28 | int len = BITS_TO_LONGS(nbits) * sizeof(unsigned long); | ||
| 29 | memset(dst, 0, len); | ||
| 30 | } | ||
| 31 | } | ||
| 32 | |||
| 33 | static inline int bitmap_weight(const unsigned long *src, int nbits) | ||
| 34 | { | ||
| 35 | if (small_const_nbits(nbits)) | ||
| 36 | return hweight_long(*src & BITMAP_LAST_WORD_MASK(nbits)); | ||
| 37 | return __bitmap_weight(src, nbits); | ||
| 38 | } | ||
| 39 | |||
| 40 | static inline void bitmap_or(unsigned long *dst, const unsigned long *src1, | ||
| 41 | const unsigned long *src2, int nbits) | ||
| 42 | { | ||
| 43 | if (small_const_nbits(nbits)) | ||
| 44 | *dst = *src1 | *src2; | ||
| 45 | else | ||
| 46 | __bitmap_or(dst, src1, src2, nbits); | ||
| 47 | } | ||
| 48 | |||
| 49 | /** | ||
| 50 | * test_and_set_bit - Set a bit and return its old value | ||
| 51 | * @nr: Bit to set | ||
| 52 | * @addr: Address to count from | ||
| 53 | */ | ||
| 54 | static inline int test_and_set_bit(int nr, unsigned long *addr) | ||
| 55 | { | ||
| 56 | unsigned long mask = BIT_MASK(nr); | ||
| 57 | unsigned long *p = ((unsigned long *)addr) + BIT_WORD(nr); | ||
| 58 | unsigned long old; | ||
| 59 | |||
| 60 | old = *p; | ||
| 61 | *p = old | mask; | ||
| 62 | |||
| 63 | return (old & mask) != 0; | ||
| 64 | } | ||
| 65 | |||
| 66 | #endif /* _PERF_BITOPS_H */ | ||
