From 4cc8a9da491d10f1b4bad6a50730b67dd5e899c7 Mon Sep 17 00:00:00 2001 From: "Bjoern A. Zeeb" Date: Thu, 27 May 2021 13:09:40 +0000 Subject: [PATCH] LinuxKPI: add HWEIGHT32() Add HWEIGHT32() macro needed by iwlwifi and while here add the 8/16/64 variants likewise. Sponsored by: The FreeBSD Foundation MFC after: 12 days Reviewed by: hselasky Differential Revision: https://reviews.freebsd.org/D30501 --- sys/compat/linuxkpi/common/include/linux/bitops.h | 5 +++++ 1 file changed, 5 insertions(+) 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) {