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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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