1176491Smarcel/*	$NetBSD: fpu_extern.h,v 1.3 2005/12/11 12:18:42 christos Exp $	*/
2176491Smarcel/* $FreeBSD$ */
3176491Smarcel
4176491Smarcel/*-
5176491Smarcel * Copyright (c) 1995 The NetBSD Foundation, Inc.
6176491Smarcel * All rights reserved.
7176491Smarcel *
8176491Smarcel * This code is derived from software contributed to The NetBSD Foundation
9176491Smarcel * by Christos Zoulas.
10176491Smarcel *
11176491Smarcel * Redistribution and use in source and binary forms, with or without
12176491Smarcel * modification, are permitted provided that the following conditions
13176491Smarcel * are met:
14176491Smarcel * 1. Redistributions of source code must retain the above copyright
15176491Smarcel *    notice, this list of conditions and the following disclaimer.
16176491Smarcel * 2. Redistributions in binary form must reproduce the above copyright
17176491Smarcel *    notice, this list of conditions and the following disclaimer in the
18176491Smarcel *    documentation and/or other materials provided with the distribution.
19176491Smarcel *
20176491Smarcel * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
21176491Smarcel * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22176491Smarcel * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23176491Smarcel * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
24176491Smarcel * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25176491Smarcel * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26176491Smarcel * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27176491Smarcel * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28176491Smarcel * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29176491Smarcel * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30176491Smarcel * POSSIBILITY OF SUCH DAMAGE.
31176491Smarcel */
32176491Smarcel
33176491Smarcelstruct proc;
34176491Smarcelstruct fpreg;
35176491Smarcelstruct trapframe;
36176491Smarcelunion instr;
37176491Smarcelstruct fpemu;
38176491Smarcelstruct fpn;
39176491Smarcel
40176491Smarcel/* fpu.c */
41176491Smarcelint fpu_emulate(struct trapframe *, struct fpreg *);
42176491Smarcelint fpu_execute(struct trapframe *, struct fpemu *, union instr *);
43176491Smarcel
44176491Smarcel/* fpu_explode.c */
45176491Smarcelint fpu_itof(struct fpn *, u_int);
46176491Smarcelint fpu_xtof(struct fpn *, u_int64_t);
47176491Smarcelint fpu_stof(struct fpn *, u_int);
48176491Smarcelint fpu_dtof(struct fpn *, u_int, u_int);
49176491Smarcel
50176491Smarcel/* fpu_implode.c */
51176491Smarcelu_int fpu_ftoi(struct fpemu *, struct fpn *);
52176491Smarcelu_int fpu_ftox(struct fpemu *, struct fpn *, u_int *);
53176491Smarcelu_int fpu_ftos(struct fpemu *, struct fpn *);
54176491Smarcelu_int fpu_ftod(struct fpemu *, struct fpn *, u_int *);
55176491Smarcel
56