src/dev/platform.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: Andrew Schultz
  29  *          Nathan Binkert
  30  */
  31
  32 /**
  33  * @file
  34  * Generic interface for platforms
  35  */
  36
  37 #ifndef __DEV_PLATFORM_HH__
  38 #define __DEV_PLATFORM_HH__
  39
  40 #include <bitset>
  41 #include <set>
  42
  43 #include "sim/sim_object.hh"
  44 #include "arch/isa_traits.hh"
  45 #include "params/Platform.hh"
  46
  47 class PciConfigAll;
  48 class IntrControl;
  49 class Terminal;
  50 class Uart;
  51 class System;
  52
  53 class Platform : public SimObject
  54 {
  55   public:
  56     /** Pointer to the interrupt controller */
  57     IntrControl *intrctrl;
  58
  59     /** Pointer to the system for info about the memory system. */
  60     System *system;
  61
  62   public:
  63     typedef PlatformParams Params;
  64     Platform(const Params *p);
  65     virtual ~Platform();
  66     virtual void postConsoleInt() = 0;
  67     virtual void clearConsoleInt() = 0;
  68     virtual Tick intrFrequency() = 0;
  69     virtual void postPciInt(int line);
  70     virtual void clearPciInt(int line);
  71     virtual Addr pciToDma(Addr pciAddr) const;
  72     virtual Addr calcPciConfigAddr(int bus, int dev, int func) = 0;
  73     virtual Addr calcPciIOAddr(Addr addr) = 0;
  74     virtual Addr calcPciMemAddr(Addr addr) = 0;
  75     virtual void registerPciDevice(uint8_t bus, uint8_t dev, uint8_t func,
  76             uint8_t intr);
  77
  78   private:
  79     std::bitset<256> intLines;
  80     std::set<uint32_t> pciDevices;
  81
  82 };
  83
  84 #endif // __DEV_PLATFORM_HH__