src/dev/mips/malta.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  *          Rick Strong
  30  */
  31
  32 /** @file
  33  * Implementation of Malta platform.
  34  */
  35
  36 #include <deque>
  37 #include <string>
  38 #include <vector>
  39
  40 #include "cpu/intr_control.hh"
  41 #include "dev/simconsole.hh"
  42 #include "dev/mips/malta_cchip.hh"
  43 #include "dev/mips/malta_pchip.hh"
  44 #include "dev/mips/malta_io.hh"
  45 #include "dev/mips/malta.hh"
  46 #include "params/Malta.hh"
  47 #include "sim/system.hh"
  48
  49
  50 using namespace std;
  51 using namespace TheISA;
  52
  53 Malta::Malta(const Params *p)
  54     : Platform(p), system(p->system)
  55 {
  56     // set the back pointer from the system to myself
  57     system->platform = this;
  58
  59     for (int i = 0; i < Malta::Max_CPUs; i++)
  60         intr_sum_type[i] = 0;
  61 }
  62
  63 Tick
  64 Malta::intrFrequency()
  65 {
  66     return io->frequency();
  67 }
  68
  69 void
  70 Malta::postConsoleInt()
  71 {
  72      //panic("Malta::postConsoleInt() has not been implemented.");
  73     io->postIntr(0x10/*HW4*/);//see {Linux-src}/arch/mips/mips-boards/sim/sim_setup.c
  74 }
  75
  76 void
  77 Malta::clearConsoleInt()
  78 {
  79         //FIXME: implement clearConsoleInt()
  80         //warn("Malta::clearConsoleInt() has not been implemented.");
  81     io->clearIntr(0x10/*HW4*/);
  82 }
  83
  84 void
  85 Malta::postPciInt(int line)
  86 {
  87                 panic("Malta::postPciInt() has not been implemented.");
  88     //cchip->postDRIR(line);
  89 }
  90
  91 void
  92 Malta::clearPciInt(int line)
  93 {
  94                 panic("Malta::clearPciInt() has not been implemented.");
  95     //cchip->clearDRIR(line);
  96 }
  97
  98 Addr
  99 Malta::pciToDma(Addr pciAddr) const
 100 {
 101                 panic("Malta::pciToDma() has not been implemented.");
 102     return pchip->translatePciToDma(pciAddr);
 103 }
 104
 105
 106 Addr
 107 Malta::calcConfigAddr(int bus, int dev, int func)
 108 {
 109         panic("Malta::calcConfigAddr() has not been implemented.");
 110    return pchip->calcConfigAddr(bus, dev, func);
 111 }
 112
 113 void
 114 Malta::serialize(std::ostream &os)
 115 {
 116
 117     SERIALIZE_ARRAY(intr_sum_type, Malta::Max_CPUs);
 118 }
 119
 120 void
 121 Malta::unserialize(Checkpoint *cp, const std::string &section)
 122 {
 123     UNSERIALIZE_ARRAY(intr_sum_type, Malta::Max_CPUs);
 124 }
 125
 126 Malta *
 127 MaltaParams::create()
 128 {
 129     return new Malta(this);
 130 }