maki/openairinterface5g
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

function to count bits with a mask for start and stop

Browse Source
This commit is contained in:
francescomani
2025-07-21 09:50:40 +02:00
parent a9dc588921
commit 10112332cc
1 changed files with 6 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
common/utils/nr/nr_common.h
+6
View File
@@ -246,6 +246,12 @@ static __attribute__((always_inline)) inline int count_bits64(uint64_t v)
return __builtin_popcountll(v); return __builtin_popcountll(v);
} }
static __attribute__((always_inline)) inline int count_bits64_with_mask(uint64_t v, int start, int num)
{
uint64_t mask = ((1LL << num) - 1) << start;
return count_bits64(v & mask);
}
uint64_t reverse_bits(uint64_t in, int n_bits); uint64_t reverse_bits(uint64_t in, int n_bits);
void reverse_bits_u8(uint8_t const* in, size_t sz, uint8_t* out); void reverse_bits_u8(uint8_t const* in, size_t sz, uint8_t* out);