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
10lfs(void *frD, void *ea)
11{
12	FP_DECL_D(R);
13	FP_DECL_S(A);
14	float f;
15
16#ifdef DEBUG
17	printk("%s: D %p, ea %p\n", __FUNCTION__, frD, ea);
18#endif
19
20	if (copy_from_user(&f, ea, sizeof(float)))
21		return -EFAULT;
22
23	__FP_UNPACK_S(A, &f);
24
25#ifdef DEBUG
26	printk("A: %ld %lu %ld (%ld) [%08lx]\n", A_s, A_f, A_e, A_c,
27	       *(unsigned long *)&f);
28#endif
29
30	FP_CONV(D, S, 2, 1, R, A);
31
32#ifdef DEBUG
33	printk("R: %ld %lu %lu %ld (%ld)\n", R_s, R_f1, R_f0, R_e, R_c);
34#endif
35
36	return __FP_PACK_D(frD, R);
37}
38