registers.hh revision 6320 
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 * Authors: Gabe Black
29 *          Ali Saidi
30 */
31
32#ifndef __ARCH_SPARC_REGFILE_HH__
33#define __ARCH_SPARC_REGFILE_HH__
34
35#include <string>
36
37#include "arch/sparc/miscregfile.hh"
38#include "arch/sparc/sparc_traits.hh"
39#include "base/types.hh"
40#include "sim/serialize.hh"
41
42class Checkpoint;
43class EventManager;
44class ThreadContext;
45
46namespace SparcISA
47{
48    const int NumIntArchRegs = 32;
49    const int NumIntRegs = (MaxGL + 1) * 8 + NWindows * 16 + NumMicroIntRegs;
50
51    class RegFile
52    {
53      protected:
54        Addr pc;                // Program Counter
55        Addr npc;               // Next Program Counter
56        Addr nnpc;
57
58      public:
59        Addr readPC();
60        void setPC(Addr val);
61
62        Addr readNextPC();
63        void setNextPC(Addr val);
64
65        Addr readNextNPC();
66        void setNextNPC(Addr val);
67
68      public:
69
70        void clear()
71        {}
72
73        void serialize(EventManager *em, std::ostream &os);
74        void unserialize(EventManager *em, Checkpoint *cp,
75            const std::string &section);
76
77      public:
78    };
79
80    void copyRegs(ThreadContext *src, ThreadContext *dest);
81
82    void copyMiscRegs(ThreadContext *src, ThreadContext *dest);
83
84} // namespace SparcISA
85
86#endif
87