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
  34 #include "sim_object.hh"
  35 #include "pc_event.hh"
  36 #include "symtab.hh"
  37
  38 class MemoryController;
  39 class PhysicalMemory;
  40 class RemoteGDB;
  41 class GDBListener;
  42
  43 class ExecContext;
  44
  45 class System : public SimObject
  46 {
  47   private:
  48
  49     SymbolTable *kernelSymtab;
  50     SymbolTable *consoleSymtab;
  51
  52     BreakPCEvent kernel_panic_event;
  53     BreakPCEvent console_panic_event;
  54     BadAddrEvent badaddr_event;
  55     SkipFuncEvent skip_power_state;
  56     SkipFuncEvent skip_scavenge_boot;
  57     PrintfEvent printf_event;
  58     DebugPrintfEvent debug_printf_event;
  59     DebugPrintfEvent debug_printfr_event;
  60     DumpMbufEvent dump_mbuf_event;
  61
  62     RegFile *initRegs;
  63
  64     Addr kernelStart;
  65     Addr kernelEnd;
  66     Addr kernelEntry;
  67
  68   public:
  69
  70     MemoryController *memCtrl;
  71     PhysicalMemory *physmem;
  72
  73     PCEventQueue pcEventQueue;
  74
  75     ExecContext *xc_array[12/*MAX_CPUS*/];
  76     int num_cpus;
  77
  78     RemoteGDB *remoteGDB;
  79     GDBListener *gdbListen;
  80
  81     System(const std::string name,
  82            MemoryController *, PhysicalMemory *,
  83            const std::string &kernel_path, const std::string &console_path,
  84            const std::string &palcode, const std::string &boot_osflags);
  85
  86     ~System();
  87
  88     const SymbolTable *getKernelSymtab() const { return kernelSymtab; }
  89     const SymbolTable *getConsoleSymtab() const { return consoleSymtab; }
  90
  91     Addr getKernelStart() const { return kernelStart; }
  92     Addr getKernelEnd() const { return kernelEnd; }
  93     Addr getKernelEntry() const { return kernelEntry; }
  94
  95     void initBootContext(ExecContext *xc);
  96     void registerExecContext(ExecContext *xc);
  97
  98     ////////////////////////////////////////////
  99     //
 100     // STATIC GLOBAL SYSTEM LIST
 101     //
 102     ////////////////////////////////////////////
 103
 104   public:
 105
 106     static std::vector<System *> systemList;
 107
 108     static int numSystemsRunning;
 109
 110     static void printSystems();
 111 };
 112
 113 #endif // __SYSTEM_HH__