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| author | Bjoern A. Zeeb <bz@FreeBSD.org> | 2021-05-27 13:09:40 +0000 |
|---|---|---|
| committer | Bjoern A. Zeeb <bz@FreeBSD.org> | 2021-07-18 00:35:03 +0000 |
| commit | b5519f2ce733deec02e3fd398fe8a02dc6826899 (patch) | |
| tree | dbfe1c490ffc4677e41c412e22306c0d3c340d87 | |
| parent | 1b9b5de489c23790c33614e6db3fe6d8984e3a74 (diff) | |
| download | src-b5519f2ce733deec02e3fd398fe8a02dc6826899.tar.gz src-b5519f2ce733deec02e3fd398fe8a02dc6826899.zip | |
LinuxKPI: add HWEIGHT32()
Add HWEIGHT32() macro needed by iwlwifi and while here add the 8/16/64
variants likewise.
Sponsored by: The FreeBSD Foundation
Reviewed by: hselasky
Differential Revision: https://reviews.freebsd.org/D30501
(cherry picked from commit 4cc8a9da491d10f1b4bad6a50730b67dd5e899c7)
| -rw-r--r-- | sys/compat/linuxkpi/common/include/linux/bitops.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/sys/compat/linuxkpi/common/include/linux/bitops.h b/sys/compat/linuxkpi/common/include/linux/bitops.h index 0e25fd3cfb1d..49bfc4cc7414 100644 --- a/sys/compat/linuxkpi/common/include/linux/bitops.h +++ b/sys/compat/linuxkpi/common/include/linux/bitops.h @@ -63,6 +63,11 @@ #define hweight64(x) bitcount64(x) #define hweight_long(x) bitcountl(x) +#define HWEIGHT8(x) (bitcount8((uint8_t)(x)) + 1) +#define HWEIGHT16(x) (bitcount16(x) + 1) +#define HWEIGHT32(x) (bitcount32(x) + 1) +#define HWEIGHT64(x) (bitcount64(x) + 1) + static inline int __ffs(int mask) { |