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 "params/Platform.hh"
  44 #include "sim/sim_object.hh"
  45
  46 class IntrControl;
  47 class Terminal;
  48 class Uart;
  49 class System;
  50
  51
  52 class Platform : public SimObject
  53 {
  54   public:
  55     /** Pointer to the interrupt controller */
  56     IntrControl *intrctrl;
  57
  58   public:
  59     typedef PlatformParams Params;
  60     Platform(const Params *p);
  61     virtual ~Platform();
  62
  63     /**
  64      * Cause the cpu to post a serial interrupt to the CPU.
  65      */
  66     virtual void postConsoleInt() = 0;
  67
  68     /**
  69      * Clear a posted CPU interrupt
  70      */
  71     virtual void clearConsoleInt() = 0;
  72
  73
  74     /**
  75      * Cause the chipset to post a cpi interrupt to the CPU.
  76      */
  77     virtual void postPciInt(int line);
  78
  79     /**
  80      * Clear a posted PCI->CPU interrupt
  81      */
  82     virtual void clearPciInt(int line);
  83 };
  84
  85 #endif // __DEV_PLATFORM_HH__