system.hh revision 8885 
1/*
2 * Copyright (c) 2002-2005 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: Ali Saidi
29 *          Nathan Binkert
30 */
31
32#ifndef __ARCH_ALPHA_SYSTEM_HH__
33#define __ARCH_ALPHA_SYSTEM_HH__
34
35#include <string>
36#include <vector>
37
38#include "base/loader/symtab.hh"
39#include "cpu/pc_event.hh"
40#include "kern/system_events.hh"
41#include "params/AlphaSystem.hh"
42#include "sim/sim_object.hh"
43#include "sim/system.hh"
44
45class AlphaSystem : public System
46{
47  public:
48    typedef AlphaSystemParams Params;
49    AlphaSystem(Params *p);
50    ~AlphaSystem();
51
52  public:
53
54    /**
55     * Initialise the state of the system.
56     */
57    virtual void initState();
58
59    /**
60     * Serialization stuff
61     */
62    virtual void serialize(std::ostream &os);
63    virtual void unserialize(Checkpoint *cp, const std::string &section);
64
65    /** Override loadState to provide a path to call setupFuncEvents()
66     */
67    virtual void loadState(Checkpoint *cp);
68
69    /**
70     * Set the m5AlphaAccess pointer in the console
71     */
72    void setAlphaAccess(Addr access);
73
74    /** console symbol table */
75    SymbolTable *consoleSymtab;
76
77    /** pal symbol table */
78    SymbolTable *palSymtab;
79
80    /** Object pointer for the console code */
81    ObjectFile *console;
82
83    /** Object pointer for the PAL code */
84    ObjectFile *pal;
85
86#ifndef NDEBUG
87    /** Event to halt the simulator if the console calls panic() */
88    BreakPCEvent *consolePanicEvent;
89#endif
90
91  protected:
92    Tick intrFreq;
93
94    const Params *params() const { return (const Params *)_params; }
95
96
97    /** Setup all the function events. Must be done after init() for Alpha since
98     * fixFuncEvent() requires a function port
99     */
100    virtual void setupFuncEvents();
101
102    /** Add a function-based event to PALcode. */
103    template <class T>
104    T *
105    addPalFuncEvent(const char *lbl)
106    {
107        return addFuncEvent<T>(palSymtab, lbl);
108    }
109
110    /** Add a function-based event to the console code. */
111    template <class T>
112    T *
113    addConsoleFuncEvent(const char *lbl)
114    {
115        return addFuncEvent<T>(consoleSymtab, lbl);
116    }
117
118    virtual Addr fixFuncEventAddr(Addr addr);
119
120  public:
121    void setIntrFreq(Tick freq) { intrFreq = freq; }
122};
123
124#endif // __ARCH_ALPHA_SYSTEM_HH__
125
126