types.hh revision 6329:5d8b91875859 
1/*
2 * Copyright (c) 2007 MIPS Technologies, Inc.
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 "base/types.hh"
35
36namespace MipsISA
37{
38    typedef uint32_t MachInst;
39    typedef uint64_t ExtMachInst;
40
41    typedef uint64_t LargestRead;
42
43    //used in FP convert & round function
44    enum ConvertType{
45        SINGLE_TO_DOUBLE,
46        SINGLE_TO_WORD,
47        SINGLE_TO_LONG,
48
49        DOUBLE_TO_SINGLE,
50        DOUBLE_TO_WORD,
51        DOUBLE_TO_LONG,
52
53        LONG_TO_SINGLE,
54        LONG_TO_DOUBLE,
55        LONG_TO_WORD,
56        LONG_TO_PS,
57
58        WORD_TO_SINGLE,
59        WORD_TO_DOUBLE,
60        WORD_TO_LONG,
61        WORD_TO_PS,
62
63        PL_TO_SINGLE,
64        PU_TO_SINGLE
65    };
66
67    //used in FP convert & round function
68    enum RoundMode{
69        RND_ZERO,
70        RND_DOWN,
71        RND_UP,
72        RND_NEAREST
73   };
74
75struct CoreSpecific {
76      /* Note: It looks like it will be better to allow simulator users
77         to specify the values of individual variables instead of requiring
78         users to define the values of entire registers
79         Especially since a lot of these variables can be created from other
80         user parameters  (cache descriptions)
81                                               -jpp
82      */
83      // MIPS CP0 State - First individual variables
84      // Page numbers refer to revision 2.50 (July 2005) of the MIPS32 ARM, Volume III (PRA)
85      unsigned CP0_IntCtl_IPTI; // Page 93, IP Timer Interrupt
86      unsigned CP0_IntCtl_IPPCI; // Page 94, IP Performance Counter Interrupt
87      unsigned CP0_SrsCtl_HSS; // Page 95, Highest Implemented Shadow Set
88      unsigned CP0_PRId_CompanyOptions; // Page 105, Manufacture options
89      unsigned CP0_PRId_CompanyID; // Page 105, Company ID - (0-255, 1=>MIPS)
90      unsigned CP0_PRId_ProcessorID; // Page 105
91      unsigned CP0_PRId_Revision; // Page 105
92      unsigned CP0_EBase_CPUNum; // Page 106, CPU Number in a multiprocessor system
93      unsigned CP0_Config_BE; // Page 108, Big/Little Endian mode
94      unsigned CP0_Config_AT; //Page 109
95      unsigned CP0_Config_AR; //Page 109
96      unsigned CP0_Config_MT; //Page 109
97      unsigned CP0_Config_VI; //Page 109
98      unsigned CP0_Config1_M; // Page 110
99      unsigned CP0_Config1_MMU; // Page 110
100      unsigned CP0_Config1_IS; // Page 110
101      unsigned CP0_Config1_IL; // Page 111
102      unsigned CP0_Config1_IA; // Page 111
103      unsigned CP0_Config1_DS; // Page 111
104      unsigned CP0_Config1_DL; // Page 112
105      unsigned CP0_Config1_DA; // Page 112
106      bool CP0_Config1_C2; // Page 112
107      bool CP0_Config1_MD;// Page 112 - Technically not used in MIPS32
108      bool CP0_Config1_PC;// Page 112
109      bool CP0_Config1_WR;// Page 113
110      bool CP0_Config1_CA;// Page 113
111      bool CP0_Config1_EP;// Page 113
112      bool CP0_Config1_FP;// Page 113
113      bool CP0_Config2_M; // Page 114
114      unsigned CP0_Config2_TU;// Page 114
115      unsigned CP0_Config2_TS;// Page 114
116      unsigned CP0_Config2_TL;// Page 115
117      unsigned CP0_Config2_TA;// Page 115
118      unsigned CP0_Config2_SU;// Page 115
119      unsigned CP0_Config2_SS;// Page 115
120      unsigned CP0_Config2_SL;// Page 116
121      unsigned CP0_Config2_SA;// Page 116
122      bool CP0_Config3_M; //// Page 117
123      bool CP0_Config3_DSPP;// Page 117
124      bool CP0_Config3_LPA;// Page 117
125      bool CP0_Config3_VEIC;// Page 118
126      bool CP0_Config3_VInt; // Page 118
127      bool CP0_Config3_SP;// Page 118
128      bool CP0_Config3_MT;// Page 119
129      bool CP0_Config3_SM;// Page 119
130      bool CP0_Config3_TL;// Page 119
131
132      bool CP0_WatchHi_M; // Page 124
133      bool CP0_PerfCtr_M; // Page 130
134      bool CP0_PerfCtr_W; // Page 130
135
136
137      // Then, whole registers
138      unsigned CP0_PRId;
139      unsigned CP0_Config;
140      unsigned CP0_Config1;
141      unsigned CP0_Config2;
142      unsigned CP0_Config3;
143};
144
145} // namespace MipsISA
146
147#endif
148