1#include <linux/types.h>
2#include <linux/errno.h>
3#include <asm/uaccess.h>
4
5#include "soft-fp.h"
6#include "double.h"
7#include "single.h"
8
9int
10fdivs(void *frD, void *frA, void *frB)
11{
12	FP_DECL_D(A);
13	FP_DECL_D(B);
14	FP_DECL_D(R);
15	int ret = 0;
16
17#ifdef DEBUG
18	printk("%s: %p %p %p\n", __FUNCTION__, frD, frA, frB);
19#endif
20
21	__FP_UNPACK_D(A, frA);
22	__FP_UNPACK_D(B, frB);
23
24#ifdef DEBUG
25	printk("A: %ld %lu %lu %ld (%ld)\n", A_s, A_f1, A_f0, A_e, A_c);
26	printk("B: %ld %lu %lu %ld (%ld)\n", B_s, B_f1, B_f0, B_e, B_c);
27#endif
28
29	if (A_c == FP_CLS_ZERO && B_c == FP_CLS_ZERO) {
30		ret |= EFLAG_VXZDZ;
31#ifdef DEBUG
32		printk("%s: FPSCR_VXZDZ raised\n", __FUNCTION__);
33#endif
34	}
35	if (A_c == FP_CLS_INF && B_c == FP_CLS_INF) {
36		ret |= EFLAG_VXIDI;
37#ifdef DEBUG
38		printk("%s: FPSCR_VXIDI raised\n", __FUNCTION__);
39#endif
40	}
41
42	if (B_c == FP_CLS_ZERO && A_c != FP_CLS_ZERO) {
43		ret |= EFLAG_DIVZERO;
44		if (__FPU_TRAP_P(EFLAG_DIVZERO))
45			return ret;
46	}
47
48	FP_DIV_D(R, A, B);
49
50#ifdef DEBUG
51	printk("D: %ld %lu %lu %ld (%ld)\n", R_s, R_f1, R_f0, R_e, R_c);
52#endif
53
54	return (ret | __FP_PACK_DS(frD, R));
55}
56