kernel/2.6.29.6-aldebaran-rt/arch/sh/lib/div64-generic.c

   1 /*
   2  * Generic __div64_32 wrapper for __xdiv64_32.
   3  */
   4
   5 #include <linux/types.h>
   6 #include <asm/div64.h>
   7
   8 extern uint64_t __xdiv64_32(u64 n, u32 d);
   9
  10 uint32_t __div64_32(u64 *xp, u32 y)
  11 {
  12         uint32_t rem;
  13         uint64_t q = __xdiv64_32(*xp, y);
  14
  15         rem = *xp - q * y;
  16         *xp = q;
  17
  18         return rem;
  19 }