src/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  * Authors: Ali Saidi
  29  *          Nathan Binkert
  30  */
  31
  32 #ifndef __ARCH_ALPHA_SYSTEM_HH__
  33 #define __ARCH_ALPHA_SYSTEM_HH__
  34
  35 #include <string>
  36 #include <vector>
  37
  38 #include "base/loader/symtab.hh"
  39 #include "cpu/pc_event.hh"
  40 #include "kern/system_events.hh"
  41 #include "params/AlphaSystem.hh"
  42 #include "sim/sim_object.hh"
  43 #include "sim/system.hh"
  44
  45 class AlphaSystem : public System
  46 {
  47   public:
  48     typedef AlphaSystemParams Params;
  49     AlphaSystem(Params *p);
  50     ~AlphaSystem();
  51
  52   public:
  53
  54     /**
  55      * Initialise the state of the system.
  56      */
  57     virtual void initState();
  58
  59     /**
  60      * Serialization stuff
  61      */
  62     virtual void serializeSymtab(std::ostream &os);
  63     virtual void unserializeSymtab(Checkpoint *cp, const std::string &section);
  64
  65     /** Override startup() to provide a path to call setupFuncEvents()
  66      */
  67     virtual void startup();
  68
  69     /**
  70      * Set the m5AlphaAccess pointer in the console
  71      */
  72     void setAlphaAccess(Addr access);
  73
  74     /** console symbol table */
  75     SymbolTable *consoleSymtab;
  76
  77     /** pal symbol table */
  78     SymbolTable *palSymtab;
  79
  80     /** Object pointer for the console code */
  81     ObjectFile *console;
  82
  83     /** Object pointer for the PAL code */
  84     ObjectFile *pal;
  85
  86 #ifndef NDEBUG
  87     /** Event to halt the simulator if the console calls panic() */
  88     BreakPCEvent *consolePanicEvent;
  89 #endif
  90
  91   protected:
  92     Tick intrFreq;
  93
  94     const Params *params() const { return (const Params *)_params; }
  95
  96
  97     /** Setup all the function events. Must be done after init() for Alpha since
  98      * fixFuncEvent() requires a function port
  99      */
 100     virtual void setupFuncEvents();
 101
 102     /** Add a function-based event to PALcode. */
 103     template <class T>
 104     T *
 105     addPalFuncEvent(const char *lbl)
 106     {
 107         return addFuncEvent<T>(palSymtab, lbl);
 108     }
 109
 110     /** Add a function-based event to the console code. */
 111     template <class T>
 112     T *
 113     addConsoleFuncEvent(const char *lbl)
 114     {
 115         return addFuncEvent<T>(consoleSymtab, lbl);
 116     }
 117
 118     virtual Addr fixFuncEventAddr(Addr addr);
 119
 120   public:
 121     void setIntrFreq(Tick freq) { intrFreq = freq; }
 122 };
 123
 124 #endif // __ARCH_ALPHA_SYSTEM_HH__
 125