1/*	$NetBSD: fpu_extern.h,v 1.3 2005/12/11 12:18:42 christos Exp $	*/
2/* $FreeBSD$ */
3
4/*-
5 * Copyright (c) 1995 The NetBSD Foundation, Inc.
6 * All rights reserved.
7 *
8 * This code is derived from software contributed to The NetBSD Foundation
9 * by Christos Zoulas.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 *    notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 *    notice, this list of conditions and the following disclaimer in the
18 *    documentation and/or other materials provided with the distribution.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
31 */
32
33struct proc;
34struct fpreg;
35struct trapframe;
36union instr;
37struct fpemu;
38struct fpn;
39
40/* fpu.c */
41int fpu_emulate(struct trapframe *, struct fpreg *);
42int fpu_execute(struct trapframe *, struct fpemu *, union instr *);
43
44/* fpu_explode.c */
45int fpu_itof(struct fpn *, u_int);
46int fpu_xtof(struct fpn *, u_int64_t);
47int fpu_stof(struct fpn *, u_int);
48int fpu_dtof(struct fpn *, u_int, u_int);
49
50/* fpu_implode.c */
51u_int fpu_ftoi(struct fpemu *, struct fpn *);
52u_int fpu_ftox(struct fpemu *, struct fpn *, u_int *);
53u_int fpu_ftos(struct fpemu *, struct fpn *);
54u_int fpu_ftod(struct fpemu *, struct fpn *, u_int *);
55
56