types.hh revision 5004:7d94cedab264 
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 "mem/types.hh"
35#include "sim/host.hh"
36
37namespace MipsISA
38{
39    typedef uint32_t MachInst;
40    typedef uint64_t ExtMachInst;
41    typedef uint8_t  RegIndex;
42
43    typedef uint32_t IntReg;
44    typedef uint64_t LargestRead;
45
46
47    // floating point register file entry type
48    typedef uint32_t FloatReg32;
49    typedef uint64_t FloatReg64;
50    typedef uint64_t FloatRegBits;
51
52    typedef double FloatRegVal;
53    typedef double FloatReg;
54
55    // cop-0/cop-1 system control register
56    typedef uint64_t MiscReg;
57
58    typedef union {
59        IntReg   intreg;
60        FloatReg fpreg;
61        MiscReg  ctrlreg;
62    } AnyReg;
63
64    typedef int RegContextParam;
65    typedef int RegContextVal;
66
67    //used in FP convert & round function
68    enum ConvertType{
69        SINGLE_TO_DOUBLE,
70        SINGLE_TO_WORD,
71        SINGLE_TO_LONG,
72
73        DOUBLE_TO_SINGLE,
74        DOUBLE_TO_WORD,
75        DOUBLE_TO_LONG,
76
77        LONG_TO_SINGLE,
78        LONG_TO_DOUBLE,
79        LONG_TO_WORD,
80        LONG_TO_PS,
81
82        WORD_TO_SINGLE,
83        WORD_TO_DOUBLE,
84        WORD_TO_LONG,
85        WORD_TO_PS,
86
87        PL_TO_SINGLE,
88        PU_TO_SINGLE
89    };
90
91    //used in FP convert & round function
92    enum RoundMode{
93        RND_ZERO,
94        RND_DOWN,
95        RND_UP,
96        RND_NEAREST
97    };
98
99    typedef ::PageTable<> PageTable;
100
101} // namespace MipsISA
102
103#endif
104