1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
|
#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/types.h>
#include <asm/byteorder.h>
#include <asm/fpu.h>
#define add_ssaaaa(sh, sl, ah, al, bh, bl) \
((sl) = (al) + (bl), (sh) = (ah) + (bh) + ((sl) < (al)))
#define sub_ddmmss(sh, sl, ah, al, bh, bl) \
((sl) = (al) - (bl), (sh) = (ah) - (bh) - ((al) < (bl)))
#define umul_ppmm(wh, wl, u, v) \
__asm__ ("mulq %2,%3,%1; umulh %2,%3,%0" \
: "=r" ((UDItype)(wh)), \
"=&r" ((UDItype)(wl)) \
: "r" ((UDItype)(u)), \
"r" ((UDItype)(v)))
#define udiv_qrnnd(q, r, n1, n0, d) \
do { unsigned long __r; \
(q) = __udiv_qrnnd (&__r, (n1), (n0), (d)); \
(r) = __r; \
} while (0)
extern unsigned long __udiv_qrnnd (unsigned long *, unsigned long,
unsigned long , unsigned long);
#define UDIV_NEEDS_NORMALIZATION 1
#define abort() goto bad_insn
#ifndef __LITTLE_ENDIAN
#define __LITTLE_ENDIAN -1
#endif
#define __BYTE_ORDER __LITTLE_ENDIAN
|
