src/dev/alpha/tsunami.hh

   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 /**
  32  * @file
  33  * Declaration of top level class for the Tsunami chipset. This class just
  34  * retains pointers to all its children so the children can communicate.
  35  */
  36
  37 #ifndef __DEV_TSUNAMI_HH__
  38 #define __DEV_TSUNAMI_HH__
  39
  40 #include "dev/platform.hh"
  41 #include "params/Tsunami.hh"
  42
  43 class IdeController;
  44 class TsunamiCChip;
  45 class TsunamiPChip;
  46 class TsunamiIO;
  47 class System;
  48
  49 /**
  50   * Top level class for Tsunami Chipset emulation.
  51   * This structure just contains pointers to all the
  52   * children so the children can commnicate to do the
  53   * read work
  54   */
  55
  56 class Tsunami : public Platform
  57 {
  58   public:
  59     /** Max number of CPUs in a Tsunami */
  60     static const int Max_CPUs = 64;
  61
  62     /** Pointer to the system */
  63     System *system;
  64
  65     /** Pointer to the TsunamiIO device which has the RTC */
  66     TsunamiIO *io;
  67
  68     /** Pointer to the Tsunami CChip.
  69      * The chip contains some configuration information and
  70      * all the interrupt mask and status registers
  71      */
  72     TsunamiCChip *cchip;
  73
  74     /** Pointer to the Tsunami PChip.
  75      * The pchip is the interface to the PCI bus, in our case
  76      * it does not have to do much.
  77      */
  78     TsunamiPChip *pchip;
  79
  80     int intr_sum_type[Tsunami::Max_CPUs];
  81     int ipi_pending[Tsunami::Max_CPUs];
  82
  83     void init() override;
  84
  85   public:
  86     typedef TsunamiParams Params;
  87     Tsunami(const Params *p);
  88
  89     void serialize(CheckpointOut &cp) const override;
  90     void unserialize(CheckpointIn &cp) override;
  91
  92   public: // Public Platform interfaces
  93     void postConsoleInt() override;
  94     void clearConsoleInt() override;
  95
  96     void postPciInt(int line) override;
  97     void clearPciInt(int line) override;
  98 };
  99
 100 #endif // __DEV_TSUNAMI_HH__