xref: /freebsd/sys/powerpc/fpu/fpu_extern.h (revision 77a1348b3c1cfe8547be49a121b56299a1e18b69)
1 /*	$NetBSD: fpu_extern.h,v 1.3 2005/12/11 12:18:42 christos Exp $	*/
2 /* $FreeBSD$ */
3 
4 /*-
5  * SPDX-License-Identifier: BSD-2-Clause-NetBSD
6  *
7  * Copyright (c) 1995 The NetBSD Foundation, Inc.
8  * All rights reserved.
9  *
10  * This code is derived from software contributed to The NetBSD Foundation
11  * by Christos Zoulas.
12  *
13  * Redistribution and use in source and binary forms, with or without
14  * modification, are permitted provided that the following conditions
15  * are met:
16  * 1. Redistributions of source code must retain the above copyright
17  *    notice, this list of conditions and the following disclaimer.
18  * 2. Redistributions in binary form must reproduce the above copyright
19  *    notice, this list of conditions and the following disclaimer in the
20  *    documentation and/or other materials provided with the distribution.
21  *
22  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
23  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
24  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
25  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
26  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
27  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
28  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
29  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
30  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
31  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
32  * POSSIBILITY OF SUCH DAMAGE.
33  */
34 
35 struct proc;
36 struct fpu;
37 struct trapframe;
38 union instr;
39 struct fpemu;
40 struct fpn;
41 
42 /* fpu.c */
43 int fpu_emulate(struct trapframe *, struct fpu *);
44 int fpu_execute(struct trapframe *, struct fpemu *, union instr *);
45 
46 /* fpu_explode.c */
47 int fpu_itof(struct fpn *, u_int);
48 int fpu_xtof(struct fpn *, u_int64_t);
49 int fpu_stof(struct fpn *, u_int);
50 int fpu_dtof(struct fpn *, u_int, u_int);
51 
52 /* fpu_implode.c */
53 u_int fpu_ftoi(struct fpemu *, struct fpn *);
54 u_int fpu_ftox(struct fpemu *, struct fpn *, u_int *);
55 u_int fpu_ftos(struct fpemu *, struct fpn *);
56 u_int fpu_ftod(struct fpemu *, struct fpn *, u_int *);
57 
58