src/dev/mips/malta.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
  29 /**
  30  * @file
  31  * Declaration of top level class for the Malta chipset. This class just
  32  * retains pointers to all its children so the children can communicate.
  33  */
  34
  35 #ifndef __DEV_MALTA_HH__
  36 #define __DEV_MALTA_HH__
  37
  38 #include "dev/platform.hh"
  39 #include "params/Malta.hh"
  40
  41 class IdeController;
  42 class MaltaCChip;
  43 class MaltaIO;
  44 class System;
  45
  46 /**
  47   * Top level class for Malta Chipset emulation.
  48   * This structure just contains pointers to all the
  49   * children so the children can commnicate to do the
  50   * read work
  51   */
  52
  53 class Malta : public Platform
  54 {
  55   public:
  56     /** Max number of CPUs in a Malta */
  57     static const int Max_CPUs = 64;
  58
  59     /** Pointer to the system */
  60     System *system;
  61
  62     /** Pointer to the MaltaIO device which has the RTC */
  63     MaltaIO *io;
  64
  65     /** Pointer to the Malta CChip.
  66      * The chip contains some configuration information and
  67      * all the interrupt mask and status registers
  68      */
  69     MaltaCChip *cchip;
  70
  71     int intr_sum_type[Malta::Max_CPUs];
  72     int ipi_pending[Malta::Max_CPUs];
  73
  74   public:
  75     /**
  76      * Constructor for the Malta Class.
  77      * @param name name of the object
  78      * @param s system the object belongs to
  79      * @param intctrl pointer to the interrupt controller
  80      */
  81     typedef MaltaParams Params;
  82     Malta(const Params *p);
  83
  84     /**
  85      * Cause the cpu to post a serial interrupt to the CPU.
  86      */
  87     void postConsoleInt() override;
  88
  89     /**
  90      * Clear a posted CPU interrupt (id=55)
  91      */
  92     void clearConsoleInt() override;
  93
  94     /**
  95      * Cause the chipset to post a cpi interrupt to the CPU.
  96      */
  97     void postPciInt(int line) override;
  98
  99     /**
 100      * Clear a posted PCI->CPU interrupt
 101      */
 102     void clearPciInt(int line) override;
 103
 104
 105     virtual Addr pciToDma(Addr pciAddr) const;
 106
 107     Addr
 108     calcPciConfigAddr(int bus, int dev, int func)
 109     {
 110         panic("Need implementation\n");
 111         M5_DUMMY_RETURN
 112     }
 113
 114     Addr
 115     calcPciIOAddr(Addr addr)
 116     {
 117         panic("Need implementation\n");
 118         M5_DUMMY_RETURN
 119     }
 120
 121     Addr
 122     calcPciMemAddr(Addr addr)
 123     {
 124         panic("Need implementation\n");
 125         M5_DUMMY_RETURN
 126     }
 127
 128     void serialize(CheckpointOut &cp) const override;
 129     void unserialize(CheckpointIn &cp) override;
 130 };
 131
 132 #endif // __DEV_MALTA_HH__