#ifndef _M68K_DIV64_H #define _M68K_DIV64_H #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 /* _M68K_DIV64_H */