sim/system.cc

   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 #include "cpu/exec_context.hh"
  30 #include "targetarch/vtophys.hh"
  31 #include "sim/system.hh"
  32
  33 using namespace std;
  34
  35 vector<System *> System::systemList;
  36
  37 int System::numSystemsRunning = 0;
  38
  39 System::System(const std::string _name,
  40                const int _init_param,
  41                MemoryController *_memCtrl,
  42                PhysicalMemory *_physmem)
  43     : SimObject(_name),
  44       init_param(_init_param),
  45       memCtrl(_memCtrl),
  46       physmem(_physmem)
  47 {
  48     // add self to global system list
  49     systemList.push_back(this);
  50 }
  51
  52
  53 System::~System()
  54 {
  55 }
  56
  57
  58 void
  59 System::registerExecContext(ExecContext *xc)
  60 {
  61     if (xc->cpu_id >= 12/*MAX_CPUS*/)
  62         panic("Too many CPU's\n");
  63
  64     if (xc->cpu_id >= xcvec.size())
  65         xcvec.resize(xc->cpu_id + 1);
  66
  67     xcvec[xc->cpu_id] = xc;
  68 }
  69
  70
  71 void
  72 System::printSystems()
  73 {
  74     vector<System *>::iterator i = systemList.begin();
  75     vector<System *>::iterator end = systemList.end();
  76     for (; i != end; ++i) {
  77         System *sys = *i;
  78         cerr << "System " << sys->name() << ": " << hex << sys << endl;
  79     }
  80 }
  81
  82 extern "C"
  83 void
  84 printSystems()
  85 {
  86     System::printSystems();
  87 }
  88
  89 DEFINE_SIM_OBJECT_CLASS_NAME("System", System)
  90