isa.hh revision 10035:2a0fbecfeb14 
1/*
2 * Copyright (c) 2009 The Regents of The University of Michigan
3 * Copyright (c) 2009 The University of Edinburgh
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are
8 * met: redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer;
10 * redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution;
13 * neither the name of the copyright holders nor the names of its
14 * contributors may be used to endorse or promote products derived from
15 * this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
20 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
21 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
23 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 *
29 * Authors: Gabe Black
30 *          Timothy M. Jones
31 */
32
33#ifndef __ARCH_POWER_ISA_HH__
34#define __ARCH_POWER_ISA_HH__
35
36#include "arch/power/registers.hh"
37#include "arch/power/types.hh"
38#include "base/misc.hh"
39#include "sim/sim_object.hh"
40
41struct PowerISAParams;
42class ThreadContext;
43class Checkpoint;
44class EventManager;
45
46namespace PowerISA
47{
48
49class ISA : public SimObject
50{
51  protected:
52    MiscReg dummy;
53    MiscReg miscRegs[NumMiscRegs];
54
55  public:
56    typedef PowerISAParams Params;
57
58    void
59    clear()
60    {
61    }
62
63    MiscReg
64    readMiscRegNoEffect(int misc_reg)
65    {
66        fatal("Power does not currently have any misc regs defined\n");
67        return dummy;
68    }
69
70    MiscReg
71    readMiscReg(int misc_reg, ThreadContext *tc)
72    {
73        fatal("Power does not currently have any misc regs defined\n");
74        return dummy;
75    }
76
77    void
78    setMiscRegNoEffect(int misc_reg, const MiscReg &val)
79    {
80        fatal("Power does not currently have any misc regs defined\n");
81    }
82
83    void
84    setMiscReg(int misc_reg, const MiscReg &val, ThreadContext *tc)
85    {
86        fatal("Power does not currently have any misc regs defined\n");
87    }
88
89    int
90    flattenIntIndex(int reg) const
91    {
92        return reg;
93    }
94
95    int
96    flattenFloatIndex(int reg) const
97    {
98        return reg;
99    }
100
101    // dummy
102    int
103    flattenCCIndex(int reg) const
104    {
105        return reg;
106    }
107
108    int
109    flattenMiscIndex(int reg) const
110    {
111        return reg;
112    }
113
114    void startup(ThreadContext *tc) {}
115
116    /// Explicitly import the otherwise hidden startup
117    using SimObject::startup;
118
119    const Params *params() const;
120
121    ISA(Params *p);
122};
123
124} // namespace PowerISA
125
126#endif // __ARCH_POWER_ISA_HH__
127