GitHub-Mirror/opensbi
2
0
Fork 0
mirror of https://github.com/Fishwaldo/opensbi.git synced 2025-06-25 15:48:27 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

lib: sbi_pmu: remove mhpm_count field in hart feature

Browse source 
After supporting noncontigous hpm event and counters in opensbi, the
number of hpm counters can be calculated by the mhpm_mask. So this field
is unnecessary and can be removed to save some space.

Signed-off-by: Inochi Amaoto <inochiama@outlook.com>
Reviewed-by: Anup Patel  <anup@brainfault.org>
This commit is contained in:
Inochi Amaoto 2023-08-11 08:24:43 +08:00 • committed by Anup Patel
parent e7e73aa532
commit ee1f83ca84
5 changed files with 37 additions and 34 deletions
Download patch file Download diff file Expand all files Collapse all files

16
include/sbi/sbi_bitops.h
View file

@ -112,6 +112,22 @@ static inline unsigned long sbi_fls(unsigned long word)
return num;
}
/**
* sbi_popcount - find the number of set bit in a long word
* @word: the word to search
*/
static inline unsigned long sbi_popcount(unsigned long word)
{
unsigned long count = 0;
while (word) {
word &= word - 1;
count++;
}
return count;
}
#define for_each_set_bit(bit, addr, size) \
for ((bit) = find_first_bit((addr), (size)); \
(bit) < (size); \