system.hh revision 451 
1/*
2 * Copyright (c) 2003 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
29#ifndef __SYSTEM_HH__
30#define __SYSTEM_HH__
31
32#include <string>
33#include <vector>
34
35#include "sim/sim_object.hh"
36#include "cpu/pc_event.hh"
37#include "base/loader/symtab.hh"
38
39#ifdef FS_MEASURE
40#include "base/statistics.hh"
41#include "sim/sw_context.hh"
42#endif
43
44class MemoryController;
45class PhysicalMemory;
46class RemoteGDB;
47class GDBListener;
48
49class ExecContext;
50
51class System : public SimObject
52{
53#ifdef FS_MEASURE
54  protected:
55    std::map<const std::string, Statistics::MainBin *> fnBins;
56    std::map<const Addr, SWContext *> swCtxMap;
57#endif //FS_MEASURE
58
59  public:
60    const uint64_t init_param;
61    MemoryController *memCtrl;
62    PhysicalMemory *physmem;
63    bool bin;
64
65    PCEventQueue pcEventQueue;
66
67    std::vector<ExecContext *> execContexts;
68
69    virtual int registerExecContext(ExecContext *xc);
70    virtual void replaceExecContext(int xcIndex, ExecContext *xc);
71
72#ifdef FS_MEASURE
73    Statistics::Scalar<Counter, Statistics::MainBin> fnCalls;
74    Statistics::MainBin *nonPath;
75#endif //FS_MEASURE
76
77  public:
78    System(const std::string _name, const uint64_t _init_param,
79           MemoryController *, PhysicalMemory *, const bool);
80    ~System();
81
82    virtual Addr getKernelStart() const = 0;
83    virtual Addr getKernelEnd() const = 0;
84    virtual Addr getKernelEntry() const = 0;
85    virtual bool breakpoint() = 0;
86
87#ifdef FS_MEASURE
88    Statistics::MainBin * getBin(const std::string &name);
89    virtual bool findCaller(std::string, std::string) const = 0;
90
91    SWContext *findContext(Addr pcb);
92    bool addContext(Addr pcb, SWContext *ctx) {
93        return (swCtxMap.insert(make_pair(pcb, ctx))).second;
94    }
95    void remContext(Addr pcb) {
96        swCtxMap.erase(pcb);
97        return;
98    }
99
100    virtual void dumpState(ExecContext *xc) const = 0;
101#endif //FS_MEASURE
102
103  public:
104    ////////////////////////////////////////////
105    //
106    // STATIC GLOBAL SYSTEM LIST
107    //
108    ////////////////////////////////////////////
109
110    static std::vector<System *> systemList;
111    static int numSystemsRunning;
112
113    static void printSystems();
114};
115
116#endif // __SYSTEM_HH__
117