src/dev/alpha/tsunami.cc

   1 /*
   2  * Copyright (c) 2004-2005 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  */
  30
  31 /** @file
  32  * Implementation of Tsunami platform.
  33  */
  34
  35 #include <deque>
  36 #include <string>
  37 #include <vector>
  38
  39 #include "cpu/intr_control.hh"
  40 #include "dev/alpha/tsunami_cchip.hh"
  41 #include "dev/alpha/tsunami_pchip.hh"
  42 #include "dev/alpha/tsunami_io.hh"
  43 #include "dev/alpha/tsunami.hh"
  44 #include "dev/terminal.hh"
  45 #include "sim/system.hh"
  46
  47 using namespace std;
  48 //Should this be AlphaISA?
  49 using namespace TheISA;
  50
  51 Tsunami::Tsunami(const Params *p)
  52     : Platform(p), system(p->system)
  53 {
  54     // set the back pointer from the system to myself
  55     system->platform = this;
  56
  57     for (int i = 0; i < Tsunami::Max_CPUs; i++)
  58         intr_sum_type[i] = 0;
  59 }
  60
  61 Tick
  62 Tsunami::intrFrequency()
  63 {
  64     return io->frequency();
  65 }
  66
  67 void
  68 Tsunami::postConsoleInt()
  69 {
  70     io->postPIC(0x10);
  71 }
  72
  73 void
  74 Tsunami::clearConsoleInt()
  75 {
  76     io->clearPIC(0x10);
  77 }
  78
  79 void
  80 Tsunami::postPciInt(int line)
  81 {
  82     cchip->postDRIR(line);
  83 }
  84
  85 void
  86 Tsunami::clearPciInt(int line)
  87 {
  88     cchip->clearDRIR(line);
  89 }
  90
  91 Addr
  92 Tsunami::pciToDma(Addr pciAddr) const
  93 {
  94     return pchip->translatePciToDma(pciAddr);
  95 }
  96
  97
  98 Addr
  99 Tsunami::calcConfigAddr(int bus, int dev, int func)
 100 {
 101    return pchip->calcConfigAddr(bus, dev, func);
 102 }
 103
 104 void
 105 Tsunami::serialize(std::ostream &os)
 106 {
 107     SERIALIZE_ARRAY(intr_sum_type, Tsunami::Max_CPUs);
 108 }
 109
 110 void
 111 Tsunami::unserialize(Checkpoint *cp, const std::string &section)
 112 {
 113     UNSERIALIZE_ARRAY(intr_sum_type, Tsunami::Max_CPUs);
 114 }
 115
 116 Tsunami *
 117 TsunamiParams::create()
 118 {
 119     return new Tsunami(this);
 120 }