xref: /netbsd-src/sys/arch/sh3/include/fpreg.h (revision a4f32a2d7b51e6ec4fed42b0861ba98e0e302e43)
1 /*	$NetBSD: fpreg.h,v 1.1 2016/08/25 12:14:10 christos Exp $	*/
2 
3 /*-
4  * Copyright (c) 2016 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Christos Zoulas.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 #ifndef _SH3_FPREG_H_
33 #define _SH3_FPREG_H_
34 
35 /* Rounding */
36 #define	FPSCR_ROUND_NEAREST	0x0
37 #define FPSCR_ROUND_ZERO	0x1
38 
39 /* Exceptions */
40 #define	FPSCR_EXCEPTION_INEXACT		0x080	/* Inexact operatiomn  */
41 #define	FPSCR_EXCEPTION_UNDERFLOW	0x100	/* Underflow */
42 #define	FPSCR_EXCEPTION_OVERFLOW	0x200	/* Overflow */
43 #define	FPSCR_EXCEPTION_ZERODIV		0x400	/* Divide by zero */
44 #define	FPSCR_EXCEPTION_INVALID		0x800	/* Invalid operation */
45 
46 #define FPSCR_DEFAULT	0x00080000	/* no interrupts, round to nearest */
47 
48 #endif /* _SH3_FPREG_H_ */
49