summaryrefslogtreecommitdiff
path: root/src/arch/power/isa.hh
blob: edac96d597b1366b51c02ee3657238e0aa789808 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
/*
 * Copyright (c) 2009 The Regents of The University of Michigan
 * Copyright (c) 2009 The University of Edinburgh
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met: redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer;
 * redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution;
 * neither the name of the copyright holders nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * Authors: Gabe Black
 *          Timothy M. Jones
 */

#ifndef __ARCH_POWER_ISA_HH__
#define __ARCH_POWER_ISA_HH__

#include "arch/power/registers.hh"
#include "arch/power/types.hh"
#include "base/misc.hh"
#include "cpu/reg_class.hh"
#include "sim/sim_object.hh"

struct PowerISAParams;
class ThreadContext;
class Checkpoint;
class EventManager;

namespace PowerISA
{

class ISA : public SimObject
{
  protected:
    MiscReg dummy;
    MiscReg miscRegs[NumMiscRegs];

  public:
    typedef PowerISAParams Params;

    void
    clear()
    {
    }

    MiscReg
    readMiscRegNoEffect(int misc_reg) const
    {
        fatal("Power does not currently have any misc regs defined\n");
        return dummy;
    }

    MiscReg
    readMiscReg(int misc_reg, ThreadContext *tc)
    {
        fatal("Power does not currently have any misc regs defined\n");
        return dummy;
    }

    void
    setMiscRegNoEffect(int misc_reg, const MiscReg &val)
    {
        fatal("Power does not currently have any misc regs defined\n");
    }

    void
    setMiscReg(int misc_reg, const MiscReg &val, ThreadContext *tc)
    {
        fatal("Power does not currently have any misc regs defined\n");
    }

    RegId flattenRegId(const RegId& regId) const { return regId; }

    int
    flattenIntIndex(int reg) const
    {
        return reg;
    }

    int
    flattenFloatIndex(int reg) const
    {
        return reg;
    }

    int
    flattenVecIndex(int reg) const
    {
        return reg;
    }

    int
    flattenVecElemIndex(int reg) const
    {
        return reg;
    }

    // dummy
    int
    flattenCCIndex(int reg) const
    {
        return reg;
    }

    int
    flattenMiscIndex(int reg) const
    {
        return reg;
    }

    void startup(ThreadContext *tc) {}

    /// Explicitly import the otherwise hidden startup
    using SimObject::startup;

    const Params *params() const;

    ISA(Params *p);
};

} // namespace PowerISA

#endif // __ARCH_POWER_ISA_HH__