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

stfs(void *frS, void *ea)

{

        FP_DECL_D(A);

        FP_DECL_S(R);

        float f;

        int err;

#ifdef DEBUG

        printk("%s: S %p, ea %p\n", __FUNCTION__, frS, ea);

#endif

        __FP_UNPACK_D(A, frS);

#ifdef DEBUG

        printk("A: %ld %lu %lu %ld (%ld)\n", A_s, A_f1, A_f0, A_e, A_c);

#endif

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

#ifdef DEBUG

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

#endif

        err = _FP_PACK_CANONICAL(S, 1, R);

        if (!err || !__FPU_TRAP_P(err)) {

                __FP_PACK_RAW_1(S, &f, R);

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

                        return -EFAULT;

        }

        return err;

}