1 /* $NetBSD: fpu_extern.h,v 1.1 1996/03/14 19:41:56 christos Exp $ */ 2 3 /* 4 * Copyright (c) 1995 Christos Zoulas. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by Christos Zoulas. 17 * 4. The name of the author may not be used to endorse or promote products 18 * derived from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 struct proc; 33 struct fpstate; 34 struct trapframe; 35 union instr; 36 struct fpemu; 37 struct fpn; 38 39 /* fpu.c */ 40 void fpu_cleanup __P((struct proc *, struct fpstate *)); 41 int fpu_emulate __P((struct proc *, struct trapframe *, struct fpstate *)); 42 int fpu_execute __P((struct fpemu *, union instr)); 43 44 /* fpu_add.c */ 45 struct fpn *fpu_add __P((struct fpemu *)); 46 47 /* fpu_compare.c */ 48 void fpu_compare __P((struct fpemu *, int)); 49 50 /* fpu_div.c */ 51 struct fpn *fpu_div __P((struct fpemu *)); 52 53 /* fpu_explode.c */ 54 int fpu_itof __P((struct fpn *, u_int)); 55 int fpu_stof __P((struct fpn *, u_int)); 56 int fpu_dtof __P((struct fpn *, u_int, u_int )); 57 int fpu_xtof __P((struct fpn *, u_int, u_int , u_int , u_int )); 58 void fpu_explode __P((struct fpemu *, struct fpn *, int, int )); 59 60 /* fpu_implode.c */ 61 u_int fpu_ftoi __P((struct fpemu *, struct fpn *)); 62 u_int fpu_ftos __P((struct fpemu *, struct fpn *)); 63 u_int fpu_ftod __P((struct fpemu *, struct fpn *, u_int *)); 64 u_int fpu_ftox __P((struct fpemu *, struct fpn *, u_int *)); 65 void fpu_implode __P((struct fpemu *, struct fpn *, int, u_int *)); 66 67 /* fpu_mul.c */ 68 struct fpn *fpu_mul __P((struct fpemu *)); 69 70 /* fpu_sqrt.c */ 71 struct fpn *fpu_sqrt __P((struct fpemu *)); 72 73 /* fpu_subr.c */ 74 int fpu_shr __P((register struct fpn *, register int)); 75 void fpu_norm __P((register struct fpn *)); 76 struct fpn *fpu_newnan __P((register struct fpemu *)); 77