types.hh revision 2632:1bb2f91485ea 
1/*
2 * Copyright (c) 2003-2005 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
29#ifndef __ARCH_MIPS_TYPES_HH__
30#define __ARCH_MIPS_TYPES_HH__
31
32#include "sim/host.hh"
33
34namespace MipsISA
35{
36    typedef uint32_t MachInst;
37    typedef uint64_t ExtMachInst;
38    typedef uint8_t  RegIndex;
39
40    typedef uint32_t IntReg;
41
42    // floating point register file entry type
43    typedef double FloatReg;
44    typedef uint32_t FloatReg32;
45    typedef uint64_t FloatReg64;
46    typedef uint64_t FloatRegBits;
47
48    // cop-0/cop-1 system control register
49    typedef uint64_t MiscReg;
50    typedef uint64_t InternalProcReg;
51
52    typedef union {
53        IntReg   intreg;
54        FloatReg fpreg;
55        MiscReg  ctrlreg;
56    } AnyReg;
57
58    //used in FP convert & round function
59    enum ConvertType{
60        SINGLE_TO_DOUBLE,
61        SINGLE_TO_WORD,
62        SINGLE_TO_LONG,
63
64        DOUBLE_TO_SINGLE,
65        DOUBLE_TO_WORD,
66        DOUBLE_TO_LONG,
67
68        LONG_TO_SINGLE,
69        LONG_TO_DOUBLE,
70        LONG_TO_WORD,
71        LONG_TO_PS,
72
73        WORD_TO_SINGLE,
74        WORD_TO_DOUBLE,
75        WORD_TO_LONG,
76        WORD_TO_PS,
77
78        PL_TO_SINGLE,
79        PU_TO_SINGLE
80    };
81
82    //used in FP convert & round function
83    enum RoundMode{
84        RND_ZERO,
85        RND_DOWN,
86        RND_UP,
87        RND_NEAREST
88   };
89
90} // namespace MipsISA
91
92#endif
93