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