1/* 2 * BK Id: SCCS/s.lfs.c 1.6 05/17/01 18:14:23 cort 3 */ 4#include <linux/types.h> 5#include <linux/errno.h> 6#include <asm/uaccess.h> 7 8#include "soft-fp.h" 9#include "double.h" 10#include "single.h" 11 12int 13lfs(void *frD, void *ea) 14{ 15 FP_DECL_D(R); 16 FP_DECL_S(A); 17 float f; 18 19#ifdef DEBUG 20 printk("%s: D %p, ea %p\n", __FUNCTION__, frD, ea); 21#endif 22 23 if (copy_from_user(&f, ea, sizeof(float))) 24 return -EFAULT; 25 26 __FP_UNPACK_S(A, &f); 27 28#ifdef DEBUG 29 printk("A: %ld %lu %ld (%ld) [%08lx]\n", A_s, A_f, A_e, A_c, 30 *(unsigned long *)&f); 31#endif 32 33 FP_CONV(D, S, 2, 1, R, A); 34 35#ifdef DEBUG 36 printk("R: %ld %lu %lu %ld (%ld)\n", R_s, R_f1, R_f0, R_e, R_c); 37#endif 38 39 return __FP_PACK_D(frD, R); 40} 41