system.hh revision 954 
1/*
2 * Copyright (c) 2002-2004 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 "kern/system_events.hh"
39#include "sim/sim_object.hh"
40#include "sim/sw_context.hh"
41
42class MemoryController;
43class PhysicalMemory;
44class Platform;
45class RemoteGDB;
46class GDBListener;
47
48class ExecContext;
49
50class System : public SimObject
51{
52    // lisa's binning stuff
53  private:
54    std::map<const std::string, Stats::MainBin *> fnBins;
55    std::map<const Addr, SWContext *> swCtxMap;
56
57  protected:
58    std::vector<FnEvent *> fnEvents;
59
60  public:
61    Stats::Scalar<> fnCalls;
62    Stats::MainBin *Kernel;
63    Stats::MainBin *User;
64
65    Stats::MainBin * getBin(const std::string &name);
66    bool findCaller(std::string, std::string) const;
67
68    SWContext *findContext(Addr pcb);
69    bool addContext(Addr pcb, SWContext *ctx) {
70        return (swCtxMap.insert(make_pair(pcb, ctx))).second;
71    }
72    void remContext(Addr pcb) {
73        swCtxMap.erase(pcb);
74        return;
75    }
76    void dumpState(ExecContext *xc) const;
77
78    virtual void serialize(std::ostream &os);
79    virtual void unserialize(Checkpoint *cp, const std::string &section);
80
81
82  private:
83    std::multimap<const std::string, std::string> callerMap;
84    void populateMap(std::string caller, std::string callee);
85//
86
87  public:
88    const uint64_t init_param;
89    MemoryController *memCtrl;
90    PhysicalMemory *physmem;
91    Platform *platform;
92    bool bin;
93    std::vector<string> binned_fns;
94
95    PCEventQueue pcEventQueue;
96
97    std::vector<ExecContext *> execContexts;
98
99    std::string readfile;
100
101    virtual int registerExecContext(ExecContext *xc);
102    virtual void replaceExecContext(int xcIndex, ExecContext *xc);
103
104  public:
105    System(const std::string _name, const uint64_t _init_param,
106           MemoryController *, PhysicalMemory *, const bool,
107           const std::vector<string> &binned_fns);
108    ~System();
109
110    virtual Addr getKernelStart() const = 0;
111    virtual Addr getKernelEnd() const = 0;
112    virtual Addr getKernelEntry() const = 0;
113    virtual bool breakpoint() = 0;
114
115  public:
116    ////////////////////////////////////////////
117    //
118    // STATIC GLOBAL SYSTEM LIST
119    //
120    ////////////////////////////////////////////
121
122    static std::vector<System *> systemList;
123    static int numSystemsRunning;
124
125    static void printSystems();
126};
127
128#endif // __SYSTEM_HH__
129