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
  29 /**
  30  * @file
  31  * Generic interface for platforms
  32  */
  33
  34 #ifndef __DEV_PLATFORM_HH__
  35 #define __DEV_PLATFORM_HH__
  36
  37 #include <bitset>
  38 #include <set>
  39
  40 #include "params/Platform.hh"
  41 #include "sim/sim_object.hh"
  42
  43 class IntrControl;
  44 class Terminal;
  45 class Uart;
  46 class System;
  47
  48
  49 class Platform : public SimObject
  50 {
  51   public:
  52     /** Pointer to the interrupt controller */
  53     IntrControl *intrctrl;
  54
  55   public:
  56     typedef PlatformParams Params;
  57     Platform(const Params &p);
  58     virtual ~Platform();
  59
  60     /**
  61      * Cause the cpu to post a serial interrupt to the CPU.
  62      */
  63     virtual void postConsoleInt() = 0;
  64
  65     /**
  66      * Clear a posted CPU interrupt
  67      */
  68     virtual void clearConsoleInt() = 0;
  69
  70
  71     /**
  72      * Cause the chipset to post a cpi interrupt to the CPU.
  73      */
  74     virtual void postPciInt(int line);
  75
  76     /**
  77      * Clear a posted PCI->CPU interrupt
  78      */
  79     virtual void clearPciInt(int line);
  80 };
  81
  82 #endif // __DEV_PLATFORM_HH__