system.hh revision 841 
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 "base/loader/symtab.hh"
36#include "base/statistics.hh"
37#include "cpu/pc_event.hh"
38#include "sim/sim_object.hh"
39#include "sim/sw_context.hh"
40
41class MemoryController;
42class PhysicalMemory;
43class Platform;
44class RemoteGDB;
45class GDBListener;
46
47class ExecContext;
48
49class System : public SimObject
50{
51    // lisa's binning stuff
52  protected:
53    std::map<const std::string, Statistics::MainBin *> fnBins;
54    std::map<const Addr, SWContext *> swCtxMap;
55
56  public:
57    Statistics::Scalar<Counter> fnCalls;
58    Statistics::MainBin *Kernel;
59    Statistics::MainBin *User;
60
61    Statistics::MainBin * getBin(const std::string &name);
62    virtual bool findCaller(std::string, std::string) const = 0;
63
64    SWContext *findContext(Addr pcb);
65    bool addContext(Addr pcb, SWContext *ctx) {
66        return (swCtxMap.insert(make_pair(pcb, ctx))).second;
67    }
68    void remContext(Addr pcb) {
69        swCtxMap.erase(pcb);
70        return;
71    }
72
73    virtual void dumpState(ExecContext *xc) const = 0;
74
75    virtual void serialize(std::ostream &os);
76    virtual void unserialize(Checkpoint *cp, const std::string &section);
77    //
78
79  public:
80    const uint64_t init_param;
81    MemoryController *memCtrl;
82    PhysicalMemory *physmem;
83    Platform *platform;
84    bool bin;
85
86    PCEventQueue pcEventQueue;
87
88    std::vector<ExecContext *> execContexts;
89
90    virtual int registerExecContext(ExecContext *xc);
91    virtual void replaceExecContext(int xcIndex, ExecContext *xc);
92
93  public:
94    System(const std::string _name, const uint64_t _init_param,
95           MemoryController *, PhysicalMemory *, const bool);
96    ~System();
97
98    virtual Addr getKernelStart() const = 0;
99    virtual Addr getKernelEnd() const = 0;
100    virtual Addr getKernelEntry() const = 0;
101    virtual bool breakpoint() = 0;
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