diff options
Diffstat (limited to 'arch/sh/lib/div64-generic.c')
-rw-r--r-- | arch/sh/lib/div64-generic.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/sh/lib/div64-generic.c b/arch/sh/lib/div64-generic.c new file mode 100644 index 0000000000..0b67fbc44f --- /dev/null +++ b/arch/sh/lib/div64-generic.c @@ -0,0 +1,20 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Generic __div64_32 wrapper for __xdiv64_32. + */ + +#include <linux/types.h> +#include <asm/div64.h> + +extern uint64_t __xdiv64_32(u64 n, u32 d); + +uint32_t __div64_32(u64 *xp, u32 y) +{ + uint32_t rem; + uint64_t q = __xdiv64_32(*xp, y); + + rem = *xp - q * y; + *xp = q; + + return rem; +} |