sim/system.hh

   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
  42 class MemoryController;
  43 class PhysicalMemory;
  44 class RemoteGDB;
  45 class GDBListener;
  46
  47 class ExecContext;
  48
  49 class 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__