arch/alpha/system.hh

   1 /*
   2  * Copyright (c) 2002-2005 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 __ARCH_ALPHA_SYSTEM_HH__
  30 #define __ARCH_ALPHA_SYSTEM_HH__
  31
  32 #include <string>
  33 #include <vector>
  34
  35 #include "sim/system.hh"
  36 #include "base/loader/symtab.hh"
  37 #include "cpu/pc_event.hh"
  38 #include "kern/system_events.hh"
  39 #include "sim/sim_object.hh"
  40
  41 class AlphaSystem : public System
  42 {
  43   public:
  44     struct Params : public System::Params
  45     {
  46         std::string console_path;
  47         std::string palcode;
  48         std::string boot_osflags;
  49         uint64_t system_type;
  50         uint64_t system_rev;
  51     };
  52
  53     AlphaSystem(Params *p);
  54
  55     ~AlphaSystem();
  56
  57     virtual bool breakpoint();
  58
  59 /**
  60  * Serialization stuff
  61  */
  62   public:
  63     virtual void serialize(std::ostream &os);
  64     virtual void unserialize(Checkpoint *cp, const std::string &section);
  65
  66     /**
  67      * Set the m5AlphaAccess pointer in the console
  68      */
  69     void setAlphaAccess(Addr access);
  70
  71     /** console symbol table */
  72     SymbolTable *consoleSymtab;
  73
  74     /** pal symbol table */
  75     SymbolTable *palSymtab;
  76
  77     /** Object pointer for the console code */
  78     ObjectFile *console;
  79
  80     /** Object pointer for the PAL code */
  81     ObjectFile *pal;
  82
  83 #ifndef NDEBUG
  84     /** Event to halt the simulator if the console calls panic() */
  85     BreakPCEvent *consolePanicEvent;
  86 #endif
  87   protected:
  88     const Params *params() const { return (const Params *)_params; }
  89
  90     /** Add a function-based event to PALcode. */
  91     template <class T>
  92     T *AlphaSystem::addPalFuncEvent(const char *lbl)
  93     {
  94         return addFuncEvent<T>(palSymtab, lbl);
  95     }
  96
  97     /** Add a function-based event to the console code. */
  98     template <class T>
  99     T *AlphaSystem::addConsoleFuncEvent(const char *lbl)
 100     {
 101         return addFuncEvent<T>(consoleSymtab, lbl);
 102     }
 103
 104     virtual Addr fixFuncEventAddr(Addr addr);
 105
 106 };
 107
 108 #endif
 109