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Annotation of nono/fpe/fpreg.h, revision 1.1

1.1     ! root        1: /*     $NetBSD: fpreg.h,v 1.1 2009/01/27 20:03:12 martin Exp $ */
        !             2: 
        !             3: /*
        !             4:  * Copyright (c) 1995 Gordon Ross
        !             5:  * Copyright (c) 1995 Ken Nakata
        !             6:  * All rights reserved.
        !             7:  *
        !             8:  * Redistribution and use in source and binary forms, with or without
        !             9:  * modification, are permitted provided that the following conditions
        !            10:  * are met:
        !            11:  * 1. Redistributions of source code must retain the above copyright
        !            12:  *    notice, this list of conditions and the following disclaimer.
        !            13:  * 2. Redistributions in binary form must reproduce the above copyright
        !            14:  *    notice, this list of conditions and the following disclaimer in the
        !            15:  *    documentation and/or other materials provided with the distribution.
        !            16:  * 3. The name of the author may not be used to endorse or promote products
        !            17:  *    derived from this software without specific prior written permission.
        !            18:  * 4. All advertising materials mentioning features or use of this software
        !            19:  *    must display the following acknowledgement:
        !            20:  *      This product includes software developed by Gordon Ross
        !            21:  *
        !            22:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
        !            23:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
        !            24:  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
        !            25:  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
        !            26:  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
        !            27:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
        !            28:  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
        !            29:  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
        !            30:  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
        !            31:  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
        !            32:  */
        !            33: 
        !            34: #ifndef _FPREG_H_
        !            35: #define _FPREG_H_
        !            36: 
        !            37: 
        !            38: /*
        !            39:  * MC68881/68882 FPcr bit definitions
        !            40:  */
        !            41: 
        !            42: /* fpsr */
        !            43: #define FPSR_CCB    0xff000000
        !            44: # define FPSR_NEG   0x08000000
        !            45: # define FPSR_ZERO  0x04000000
        !            46: # define FPSR_INF   0x02000000
        !            47: # define FPSR_NAN   0x01000000
        !            48: #define FPSR_QTT    0x00ff0000
        !            49: # define FPSR_QSG   0x00800000
        !            50: # define FPSR_QUO   0x007f0000
        !            51: #define FPSR_EXCP   0x0000ff00
        !            52: # define FPSR_BSUN  0x00008000
        !            53: # define FPSR_SNAN  0x00004000
        !            54: # define FPSR_OPERR 0x00002000
        !            55: # define FPSR_OVFL  0x00001000
        !            56: # define FPSR_UNFL  0x00000800
        !            57: # define FPSR_DZ    0x00000400
        !            58: # define FPSR_INEX2 0x00000200
        !            59: # define FPSR_INEX1 0x00000100
        !            60: #define FPSR_AEX    0x000000ff
        !            61: # define FPSR_AIOP  0x00000080
        !            62: # define FPSR_AOVFL 0x00000040
        !            63: # define FPSR_AUNFL 0x00000020
        !            64: # define FPSR_ADZ   0x00000010
        !            65: # define FPSR_AINEX 0x00000008
        !            66: 
        !            67: /* fpcr */
        !            68: #define FPCR_EXCP   FPSR_EXCP
        !            69: # define FPCR_BSUN  FPSR_BSUN
        !            70: # define FPCR_SNAN  FPSR_SNAN
        !            71: # define FPCR_OPERR FPSR_OPERR
        !            72: # define FPCR_OVFL  FPSR_OVFL
        !            73: # define FPCR_UNFL  FPSR_UNFL
        !            74: # define FPCR_DZ    FPSR_DZ
        !            75: # define FPCR_INEX2 FPSR_INEX2
        !            76: # define FPCR_INEX1 FPSR_INEX1
        !            77: #define FPCR_MODE   0x000000ff
        !            78: # define FPCR_PREC  0x000000c0
        !            79: #  define FPCR_EXTD 0x00000000
        !            80: #  define FPCR_SNGL 0x00000040
        !            81: #  define FPCR_DBL  0x00000080
        !            82: # define FPCR_ROUND 0x00000030
        !            83: #  define FPCR_NEAR 0x00000000
        !            84: #  define FPCR_ZERO 0x00000010
        !            85: #  define FPCR_MINF 0x00000020
        !            86: #  define FPCR_PINF 0x00000030
        !            87: 
        !            88: 
        !            89: #endif
        !            90: 

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