div64.h

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#ifndef _M68K_DIV64_H
#define _M68K_DIV64_H

#ifdef CONFIG_CPU_HAS_NO_MULDIV64
#include <asm-generic/div64.h>
#else

#include <linux/types.h>

/* n = n / base; return rem; */

#define do_div(n, base) ({                  \
    union {                         \
        unsigned long n32[2];               \
        unsigned long long n64;             \
    } __n;                          \
    unsigned long __rem, __upper;               \
                                \
    __n.n64 = (n);                      \
    if ((__upper = __n.n32[0])) {               \
        asm ("divul.l %2,%1:%0"             \
            : "=d" (__n.n32[0]), "=d" (__upper) \
            : "d" (base), "0" (__n.n32[0]));    \
    }                           \
    asm ("divu.l %2,%1:%0"                  \
        : "=d" (__n.n32[1]), "=d" (__rem)       \
        : "d" (base), "1" (__upper), "0" (__n.n32[1])); \
    (n) = __n.n64;                      \
    __rem;                          \
})

#endif /* CONFIG_CPU_HAS_NO_MULDIV64 */

#endif /* _M68K_DIV64_H */