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