1#ifndef _M68K_DIV64_H
2#define _M68K_DIV64_H
3
4#ifdef CONFIG_CPU_HAS_NO_MULDIV64
5#include <asm-generic/div64.h>
6#else
7
8#include <linux/types.h>
9
10
11
12#define do_div(n, base) ({ \
13 union { \
14 unsigned long n32[2]; \
15 unsigned long long n64; \
16 } __n; \
17 unsigned long __rem, __upper; \
18 \
19 __n.n64 = (n); \
20 if ((__upper = __n.n32[0])) { \
21 asm ("divul.l %2,%1:%0" \
22 : "=d" (__n.n32[0]), "=d" (__upper) \
23 : "d" (base), "0" (__n.n32[0])); \
24 } \
25 asm ("divu.l %2,%1:%0" \
26 : "=d" (__n.n32[1]), "=d" (__rem) \
27 : "d" (base), "1" (__upper), "0" (__n.n32[1])); \
28 (n) = __n.n64; \
29 __rem; \
30})
31
32#endif
33
34#endif
35