diff options
Diffstat (limited to 'src/helper/bits.h')
| -rw-r--r-- | src/helper/bits.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/helper/bits.h b/src/helper/bits.h index 00d3c02..6151b33 100644 --- a/src/helper/bits.h +++ b/src/helper/bits.h @@ -28,8 +28,12 @@ #include <helper/types.h> #define BIT(nr) (1UL << (nr)) +#define BIT_ULL(nr) (1ULL << (nr)) #define BITS_PER_BYTE 8 #define BITS_PER_LONG (BITS_PER_BYTE * sizeof(long)) +#define BITS_PER_LONG_LONG (BITS_PER_BYTE * sizeof(long long)) +#define GENMASK(h, l) (((~0UL) - (1UL << (l)) + 1) & (~0UL >> (BITS_PER_LONG - 1 - (h)))) +#define GENMASK_ULL(h, l) (((~0ULL) - (1ULL << (l)) + 1) & (~0ULL >> (BITS_PER_LONG_LONG - 1 - (h)))) #define BITS_TO_LONGS(nr) DIV_ROUND_UP(nr, BITS_PER_BYTE * sizeof(long)) #define BIT_MASK(nr) (1UL << ((nr) % BITS_PER_LONG)) #define BIT_WORD(nr) ((nr) / BITS_PER_LONG) |