Subversion Repositories or1k_soc_on_altera_embedded_dev_kit

#include <linux/types.h>

#include <linux/errno.h>

#include <asm/uaccess.h>

#include "soft-fp.h"

#include "double.h"

#include "single.h"

int

lfs(void *frD, void *ea)

{

        FP_DECL_D(R);

        FP_DECL_S(A);

        float f;

#ifdef DEBUG

        printk("%s: D %p, ea %p\n", __FUNCTION__, frD, ea);

#endif

        if (copy_from_user(&f, ea, sizeof(float)))

                return -EFAULT;

        __FP_UNPACK_S(A, &f);

#ifdef DEBUG

        printk("A: %ld %lu %ld (%ld) [%08lx]\n", A_s, A_f, A_e, A_c,

               *(unsigned long *)&f);

#endif

        FP_CONV(D, S, 2, 1, R, A);

#ifdef DEBUG

        printk("R: %ld %lu %lu %ld (%ld)\n", R_s, R_f1, R_f0, R_e, R_c);

#endif

        return __FP_PACK_D(frD, R);

}