1#include <linux/kernel.h>
2#include <linux/sched.h>
3#include <linux/types.h>
4#include <asm/byteorder.h>
5
6#define add_ssaaaa(sh, sl, ah, al, bh, bl) ({ \
7 unsigned int __sh = (ah); \
8 unsigned int __sl = (al); \
9 __asm__ (" alr %1,%3\n" \
10 " brc 12,0f\n" \
11 " ahi %0,1\n" \
12 "0: alr %0,%2" \
13 : "+&d" (__sh), "+d" (__sl) \
14 : "d" (bh), "d" (bl) : "cc" ); \
15 (sh) = __sh; \
16 (sl) = __sl; \
17})
18
19#define sub_ddmmss(sh, sl, ah, al, bh, bl) ({ \
20 unsigned int __sh = (ah); \
21 unsigned int __sl = (al); \
22 __asm__ (" slr %1,%3\n" \
23 " brc 3,0f\n" \
24 " ahi %0,-1\n" \
25 "0: slr %0,%2" \
26 : "+&d" (__sh), "+d" (__sl) \
27 : "d" (bh), "d" (bl) : "cc" ); \
28 (sh) = __sh; \
29 (sl) = __sl; \
30})
31
32
33#define umul_ppmm(wh, wl, u, v) ({ \
34 unsigned int __wh = u; \
35 unsigned int __wl = v; \
36 __asm__ (" ltr 1,%0\n" \
37 " mr 0,%1\n" \
38 " jnm 0f\n" \
39 " alr 0,%1\n" \
40 "0: ltr %1,%1\n" \
41 " jnm 1f\n" \
42 " alr 0,%0\n" \
43 "1: lr %0,0\n" \
44 " lr %1,1\n" \
45 : "+d" (__wh), "+d" (__wl) \
46 : : "0", "1", "cc" ); \
47 wh = __wh; \
48 wl = __wl; \
49})
50
51#define udiv_qrnnd(q, r, n1, n0, d) \
52 do { unsigned long __r; \
53 (q) = __udiv_qrnnd (&__r, (n1), (n0), (d)); \
54 (r) = __r; \
55 } while (0)
56extern unsigned long __udiv_qrnnd (unsigned long *, unsigned long,
57 unsigned long , unsigned long);
58
59#define UDIV_NEEDS_NORMALIZATION 0
60
61#define abort() return 0
62
63#define __BYTE_ORDER __BIG_ENDIAN
64
