types.hh revision 2754:e3d023bc752c 
1/*
2 * Copyright (c) 2006 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;
9 * redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution;
12 * neither the name of the copyright holders nor the names of its
13 * contributors may be used to endorse or promote products derived from
14 * this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * Authors: Korey Sewell
29 */
30
31#ifndef __ARCH_MIPS_TYPES_HH__
32#define __ARCH_MIPS_TYPES_HH__
33
34#include "sim/host.hh"
35
36namespace MipsISA
37{
38    typedef uint32_t MachInst;
39    typedef uint64_t ExtMachInst;
40    typedef uint8_t  RegIndex;
41
42    typedef uint32_t IntReg;
43
44    // floating point register file entry type
45    typedef uint32_t FloatReg32;
46    typedef uint64_t FloatReg64;
47    typedef uint64_t FloatRegBits;
48
49    typedef double FloatRegVal;
50    typedef double FloatReg;
51
52    // cop-0/cop-1 system control register
53    typedef uint64_t MiscReg;
54
55    typedef union {
56        IntReg   intreg;
57        FloatReg fpreg;
58        MiscReg  ctrlreg;
59    } AnyReg;
60
61    //used in FP convert & round function
62    enum ConvertType{
63        SINGLE_TO_DOUBLE,
64        SINGLE_TO_WORD,
65        SINGLE_TO_LONG,
66
67        DOUBLE_TO_SINGLE,
68        DOUBLE_TO_WORD,
69        DOUBLE_TO_LONG,
70
71        LONG_TO_SINGLE,
72        LONG_TO_DOUBLE,
73        LONG_TO_WORD,
74        LONG_TO_PS,
75
76        WORD_TO_SINGLE,
77        WORD_TO_DOUBLE,
78        WORD_TO_LONG,
79        WORD_TO_PS,
80
81        PL_TO_SINGLE,
82        PU_TO_SINGLE
83    };
84
85    //used in FP convert & round function
86    enum RoundMode{
87        RND_ZERO,
88        RND_DOWN,
89        RND_UP,
90        RND_NEAREST
91   };
92
93} // namespace MipsISA
94
95#endif
96