Signed-off-by: Andrew Cooper <andrew.coop...@citrix.com> --- CC: Oleksii Kurochko <oleksii.kuroc...@gmail.com>
Depends on "xen/riscv: make zbb as mandatory" --- xen/arch/riscv/include/asm/bitops.h | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/xen/arch/riscv/include/asm/bitops.h b/xen/arch/riscv/include/asm/bitops.h index d22eec1e87c7..df3df93520c5 100644 --- a/xen/arch/riscv/include/asm/bitops.h +++ b/xen/arch/riscv/include/asm/bitops.h @@ -125,6 +125,13 @@ static inline void clear_bit(int nr, volatile void *p) #undef NOT #undef __AMO +#define arch_ffs(x) ((x) ? 1 + __builtin_ctz(x) : 0) +#define arch_ffsl(x) ((x) ? 1 + __builtin_ctzl(x) : 0) +#define arch_fls(x) ((x) ? 32 - __builtin_clz(x) : 0) +#define arch_flsl(x) ((x) ? BITS_PER_LONG - __builtin_clzl(x) : 0) + +#define arch_heightl(x) __builtin_popcountl(x) + #endif /* ASM__RISCV__BITOPS_H */ /* base-commit: 7cf163879c5add0a4f7f9c987b61f04f8f7051b1 prerequisite-patch-id: 9ee1f7ebf5d34b1c565ee2d3d4fb319164bb8bcd prerequisite-patch-id: 8a05c87c8d051a3ac0820887f676bbd318e4ae88 prerequisite-patch-id: 6b56e42d130d8b5ee39457b6760b05cc6e16b049 prerequisite-patch-id: c139f1f5741d695cd5e5aa6be904edcb61b73885 prerequisite-patch-id: 99f8b701000e9ee11060934e627a988ddf9aaaa7 -- 2.39.5
