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