xref: /netbsd-src/sys/arch/sh3/include/fpreg.h (revision a4f32a2d7b51e6ec4fed42b0861ba98e0e302e43)
1*a4f32a2dSchristos /*	$NetBSD: fpreg.h,v 1.1 2016/08/25 12:14:10 christos Exp $	*/
2*a4f32a2dSchristos 
3*a4f32a2dSchristos /*-
4*a4f32a2dSchristos  * Copyright (c) 2016 The NetBSD Foundation, Inc.
5*a4f32a2dSchristos  * All rights reserved.
6*a4f32a2dSchristos  *
7*a4f32a2dSchristos  * This code is derived from software contributed to The NetBSD Foundation
8*a4f32a2dSchristos  * by Christos Zoulas.
9*a4f32a2dSchristos  *
10*a4f32a2dSchristos  * Redistribution and use in source and binary forms, with or without
11*a4f32a2dSchristos  * modification, are permitted provided that the following conditions
12*a4f32a2dSchristos  * are met:
13*a4f32a2dSchristos  * 1. Redistributions of source code must retain the above copyright
14*a4f32a2dSchristos  *    notice, this list of conditions and the following disclaimer.
15*a4f32a2dSchristos  * 2. Redistributions in binary form must reproduce the above copyright
16*a4f32a2dSchristos  *    notice, this list of conditions and the following disclaimer in the
17*a4f32a2dSchristos  *    documentation and/or other materials provided with the distribution.
18*a4f32a2dSchristos  *
19*a4f32a2dSchristos  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20*a4f32a2dSchristos  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21*a4f32a2dSchristos  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22*a4f32a2dSchristos  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23*a4f32a2dSchristos  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24*a4f32a2dSchristos  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25*a4f32a2dSchristos  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26*a4f32a2dSchristos  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27*a4f32a2dSchristos  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28*a4f32a2dSchristos  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29*a4f32a2dSchristos  * POSSIBILITY OF SUCH DAMAGE.
30*a4f32a2dSchristos  */
31*a4f32a2dSchristos 
32*a4f32a2dSchristos #ifndef _SH3_FPREG_H_
33*a4f32a2dSchristos #define _SH3_FPREG_H_
34*a4f32a2dSchristos 
35*a4f32a2dSchristos /* Rounding */
36*a4f32a2dSchristos #define	FPSCR_ROUND_NEAREST	0x0
37*a4f32a2dSchristos #define FPSCR_ROUND_ZERO	0x1
38*a4f32a2dSchristos 
39*a4f32a2dSchristos /* Exceptions */
40*a4f32a2dSchristos #define	FPSCR_EXCEPTION_INEXACT		0x080	/* Inexact operatiomn  */
41*a4f32a2dSchristos #define	FPSCR_EXCEPTION_UNDERFLOW	0x100	/* Underflow */
42*a4f32a2dSchristos #define	FPSCR_EXCEPTION_OVERFLOW	0x200	/* Overflow */
43*a4f32a2dSchristos #define	FPSCR_EXCEPTION_ZERODIV		0x400	/* Divide by zero */
44*a4f32a2dSchristos #define	FPSCR_EXCEPTION_INVALID		0x800	/* Invalid operation */
45*a4f32a2dSchristos 
46*a4f32a2dSchristos #define FPSCR_DEFAULT	0x00080000	/* no interrupts, round to nearest */
47*a4f32a2dSchristos 
48*a4f32a2dSchristos #endif /* _SH3_FPREG_H_ */
49