dev/tsunami.cc

   1 /*
   2  * Copyright (c) 2004 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 <deque>
  30 #include <string>
  31 #include <vector>
  32
  33 #include "cpu/intr_control.hh"
  34 #include "dev/simconsole.hh"
  35 #include "dev/etherdev.hh"
  36 #include "dev/ide_ctrl.hh"
  37 #include "dev/tlaser_clock.hh"
  38 #include "dev/tsunami_cchip.hh"
  39 #include "dev/tsunami_pchip.hh"
  40 #include "dev/tsunami_io.hh"
  41 #include "dev/tsunami.hh"
  42 #include "dev/pciconfigall.hh"
  43 #include "sim/builder.hh"
  44 #include "sim/system.hh"
  45
  46 using namespace std;
  47
  48 Tsunami::Tsunami(const string &name, System *s,
  49                  IntrControl *ic, PciConfigAll *pci, int intr_freq)
  50     : Platform(name, ic, pci, intr_freq), system(s)
  51 {
  52     // set the back pointer from the system to myself
  53     system->platform = this;
  54
  55     for (int i = 0; i < Tsunami::Max_CPUs; i++)
  56         intr_sum_type[i] = 0;
  57 }
  58
  59 Tick
  60 Tsunami::intrFrequency()
  61 {
  62     return io->frequency();
  63 }
  64
  65 void
  66 Tsunami::postConsoleInt()
  67 {
  68     io->postPIC(0x10);
  69 }
  70
  71 void
  72 Tsunami::clearConsoleInt()
  73 {
  74     io->clearPIC(0x10);
  75 }
  76
  77 void
  78 Tsunami::postPciInt(int line)
  79 {
  80    cchip->postDRIR(line);
  81 }
  82
  83 void
  84 Tsunami::clearPciInt(int line)
  85 {
  86    cchip->clearDRIR(line);
  87 }
  88
  89 Addr
  90 Tsunami::pciToDma(Addr pciAddr) const
  91 {
  92     return pchip->translatePciToDma(pciAddr);
  93 }
  94
  95 void
  96 Tsunami::serialize(std::ostream &os)
  97 {
  98     SERIALIZE_ARRAY(intr_sum_type, Tsunami::Max_CPUs);
  99 }
 100
 101 void
 102 Tsunami::unserialize(Checkpoint *cp, const std::string &section)
 103 {
 104     UNSERIALIZE_ARRAY(intr_sum_type, Tsunami::Max_CPUs);
 105 }
 106
 107 BEGIN_DECLARE_SIM_OBJECT_PARAMS(Tsunami)
 108
 109     SimObjectParam<System *> system;
 110     SimObjectParam<SimConsole *> cons;
 111     SimObjectParam<IntrControl *> intrctrl;
 112     SimObjectParam<PciConfigAll *> pciconfig;
 113     Param<int> interrupt_frequency;
 114
 115 END_DECLARE_SIM_OBJECT_PARAMS(Tsunami)
 116
 117 BEGIN_INIT_SIM_OBJECT_PARAMS(Tsunami)
 118
 119     INIT_PARAM(system, "system"),
 120     INIT_PARAM(cons, "system console"),
 121     INIT_PARAM(intrctrl, "interrupt controller"),
 122     INIT_PARAM(pciconfig, "PCI configuration"),
 123     INIT_PARAM_DFLT(interrupt_frequency, "frequency of interrupts", 1024)
 124
 125 END_INIT_SIM_OBJECT_PARAMS(Tsunami)
 126
 127 CREATE_SIM_OBJECT(Tsunami)
 128 {
 129     return new Tsunami(getInstanceName(), system, intrctrl, pciconfig,
 130                        interrupt_frequency);
 131 }
 132
 133 REGISTER_SIM_OBJECT("Tsunami", Tsunami)