system.hh revision 722 
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 "kern/system_events.hh"
39#include "sim/sim_object.hh"
40#include "sim/sw_context.hh"
41
42class MemoryController;
43class PhysicalMemory;
44class RemoteGDB;
45class GDBListener;
46
47class ExecContext;
48
49class System : public SimObject
50{
51    // lisa's binning stuff
52  private:
53    std::map<const std::string, Statistics::MainBin *> fnBins;
54    std::map<const Addr, SWContext *> swCtxMap;
55
56  protected:
57    std::vector<FnEvent *> fnEvents;
58
59  public:
60    Statistics::Scalar<> fnCalls;
61    Statistics::MainBin *Kernel;
62    Statistics::MainBin *User;
63
64    Statistics::MainBin * getBin(const std::string &name);
65    bool findCaller(std::string, std::string) const;
66
67    SWContext *findContext(Addr pcb);
68    bool addContext(Addr pcb, SWContext *ctx) {
69        return (swCtxMap.insert(make_pair(pcb, ctx))).second;
70    }
71    void remContext(Addr pcb) {
72        swCtxMap.erase(pcb);
73        return;
74    }
75    void dumpState(ExecContext *xc) const;
76
77    virtual void serialize(std::ostream &os);
78    virtual void unserialize(Checkpoint *cp, const std::string &section);
79
80
81  private:
82    std::multimap<const std::string, std::string> callerMap;
83    void populateMap(std::string caller, std::string callee);
84//
85
86  public:
87    const uint64_t init_param;
88    MemoryController *memCtrl;
89    PhysicalMemory *physmem;
90    bool bin;
91    std::vector<string> binned_fns;
92
93    PCEventQueue pcEventQueue;
94
95    std::vector<ExecContext *> execContexts;
96
97    virtual int registerExecContext(ExecContext *xc);
98    virtual void replaceExecContext(int xcIndex, ExecContext *xc);
99
100  public:
101    System(const std::string _name, const uint64_t _init_param,
102           MemoryController *, PhysicalMemory *, const bool,
103           const std::vector<string> &binned_fns);
104    ~System();
105
106    virtual Addr getKernelStart() const = 0;
107    virtual Addr getKernelEnd() const = 0;
108    virtual Addr getKernelEntry() const = 0;
109    virtual bool breakpoint() = 0;
110
111  public:
112    ////////////////////////////////////////////
113    //
114    // STATIC GLOBAL SYSTEM LIST
115    //
116    ////////////////////////////////////////////
117
118    static std::vector<System *> systemList;
119    static int numSystemsRunning;
120
121    static void printSystems();
122};
123
124#endif // __SYSTEM_HH__
125