91 lines
3.1 KiB
C
91 lines
3.1 KiB
C
/* $NetBSD: fpreg.h,v 1.1 2009/01/27 20:03:12 martin Exp $ */
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/*
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* Copyright (c) 1995 Gordon Ross
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* Copyright (c) 1995 Ken Nakata
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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* 4. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Gordon Ross
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _FPREG_H_
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#define _FPREG_H_
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/*
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* MC68881/68882 FPcr bit definitions
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*/
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/* fpsr */
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#define FPSR_CCB 0xff000000
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# define FPSR_NEG 0x08000000
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# define FPSR_ZERO 0x04000000
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# define FPSR_INF 0x02000000
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# define FPSR_NAN 0x01000000
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#define FPSR_QTT 0x00ff0000
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# define FPSR_QSG 0x00800000
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# define FPSR_QUO 0x007f0000
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#define FPSR_EXCP 0x0000ff00
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# define FPSR_BSUN 0x00008000
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# define FPSR_SNAN 0x00004000
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# define FPSR_OPERR 0x00002000
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# define FPSR_OVFL 0x00001000
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# define FPSR_UNFL 0x00000800
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# define FPSR_DZ 0x00000400
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# define FPSR_INEX2 0x00000200
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# define FPSR_INEX1 0x00000100
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#define FPSR_AEX 0x000000ff
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# define FPSR_AIOP 0x00000080
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# define FPSR_AOVFL 0x00000040
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# define FPSR_AUNFL 0x00000020
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# define FPSR_ADZ 0x00000010
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# define FPSR_AINEX 0x00000008
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/* fpcr */
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#define FPCR_EXCP FPSR_EXCP
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# define FPCR_BSUN FPSR_BSUN
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# define FPCR_SNAN FPSR_SNAN
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# define FPCR_OPERR FPSR_OPERR
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# define FPCR_OVFL FPSR_OVFL
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# define FPCR_UNFL FPSR_UNFL
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# define FPCR_DZ FPSR_DZ
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# define FPCR_INEX2 FPSR_INEX2
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# define FPCR_INEX1 FPSR_INEX1
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#define FPCR_MODE 0x000000ff
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# define FPCR_PREC 0x000000c0
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# define FPCR_EXTD 0x00000000
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# define FPCR_SNGL 0x00000040
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# define FPCR_DBL 0x00000080
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# define FPCR_ROUND 0x00000030
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# define FPCR_NEAR 0x00000000
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# define FPCR_ZERO 0x00000010
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# define FPCR_MINF 0x00000020
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# define FPCR_PINF 0x00000030
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#endif
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