types.hh revision 5014:f9667cf03d3f 
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    typedef uint64_t LargestRead;
44
45
46    // floating point register file entry type
47    typedef uint32_t FloatReg32;
48    typedef uint64_t FloatReg64;
49    typedef uint64_t FloatRegBits;
50
51    typedef double FloatRegVal;
52    typedef double FloatReg;
53
54    // cop-0/cop-1 system control register
55    typedef uint64_t MiscReg;
56
57    typedef union {
58        IntReg   intreg;
59        FloatReg fpreg;
60        MiscReg  ctrlreg;
61    } AnyReg;
62
63    typedef int RegContextParam;
64    typedef int RegContextVal;
65
66    //used in FP convert & round function
67    enum ConvertType{
68        SINGLE_TO_DOUBLE,
69        SINGLE_TO_WORD,
70        SINGLE_TO_LONG,
71
72        DOUBLE_TO_SINGLE,
73        DOUBLE_TO_WORD,
74        DOUBLE_TO_LONG,
75
76        LONG_TO_SINGLE,
77        LONG_TO_DOUBLE,
78        LONG_TO_WORD,
79        LONG_TO_PS,
80
81        WORD_TO_SINGLE,
82        WORD_TO_DOUBLE,
83        WORD_TO_LONG,
84        WORD_TO_PS,
85
86        PL_TO_SINGLE,
87        PU_TO_SINGLE
88    };
89
90    //used in FP convert & round function
91    enum RoundMode{
92        RND_ZERO,
93        RND_DOWN,
94        RND_UP,
95        RND_NEAREST
96    };
97
98} // namespace MipsISA
99
100#endif
101