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 "sim/sim_object.hh"
  36 #include "cpu/pc_event.hh"
  37 #include "base/loader/symtab.hh"
  38
  39 class MemoryController;
  40 class PhysicalMemory;
  41 class RemoteGDB;
  42 class GDBListener;
  43
  44 class ExecContext;
  45
  46 class System : public SimObject
  47 {
  48   public:
  49     const uint64_t init_param;
  50     MemoryController *memCtrl;
  51     PhysicalMemory *physmem;
  52
  53     PCEventQueue pcEventQueue;
  54
  55     std::vector<ExecContext *> execContexts;
  56
  57     virtual int registerExecContext(ExecContext *xc);
  58     virtual void replaceExecContext(int xcIndex, ExecContext *xc);
  59
  60   public:
  61     System(const std::string _name, const uint64_t _init_param,
  62            MemoryController *, PhysicalMemory *);
  63     ~System();
  64
  65     virtual Addr getKernelStart() const = 0;
  66     virtual Addr getKernelEnd() const = 0;
  67     virtual Addr getKernelEntry() const = 0;
  68     virtual bool breakpoint() = 0;
  69
  70
  71   public:
  72     ////////////////////////////////////////////
  73     //
  74     // STATIC GLOBAL SYSTEM LIST
  75     //
  76     ////////////////////////////////////////////
  77
  78     static std::vector<System *> systemList;
  79     static int numSystemsRunning;
  80
  81     static void printSystems();
  82 };
  83
  84 #endif // __SYSTEM_HH__