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      1 /*	$NetBSD: fpreg.h,v 1.3 2014/03/18 18:20:41 riastradh 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_EXCP2  0x00003e00
     53 # define FPSR_BSUN  0x00008000
     54 # define FPSR_SNAN  0x00004000
     55 # define FPSR_OPERR 0x00002000
     56 # define FPSR_OVFL  0x00001000
     57 # define FPSR_UNFL  0x00000800
     58 # define FPSR_DZ    0x00000400
     59 # define FPSR_INEX2 0x00000200
     60 # define FPSR_INEX1 0x00000100
     61 #define FPSR_AEX    0x000000f8
     62 # define FPSR_AIOP  0x00000080
     63 # define FPSR_AOVFL 0x00000040
     64 # define FPSR_AUNFL 0x00000020
     65 # define FPSR_ADZ   0x00000010
     66 # define FPSR_AINEX 0x00000008
     67 
     68 /* fpcr */
     69 #define FPCR_EXCP   FPSR_EXCP
     70 #define FPCR_EXCP2  FPSR_EXCP2
     71 # define FPCR_BSUN  FPSR_BSUN
     72 # define FPCR_SNAN  FPSR_SNAN
     73 # define FPCR_OPERR FPSR_OPERR
     74 # define FPCR_OVFL  FPSR_OVFL
     75 # define FPCR_UNFL  FPSR_UNFL
     76 # define FPCR_DZ    FPSR_DZ
     77 # define FPCR_INEX2 FPSR_INEX2
     78 # define FPCR_INEX1 FPSR_INEX1
     79 #define FPCR_MODE   0x000000ff
     80 # define FPCR_PREC  0x000000c0
     81 #  define FPCR_EXTD 0x00000000
     82 #  define FPCR_SNGL 0x00000040
     83 #  define FPCR_DBL  0x00000080
     84 # define FPCR_ROUND 0x00000030
     85 #  define FPCR_NEAR 0x00000000
     86 #  define FPCR_ZERO 0x00000010
     87 #  define FPCR_MINF 0x00000020
     88 #  define FPCR_PINF 0x00000030
     89 
     90 
     91 #endif
     92 
     93