platform.hh revision 2846 
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
46class PciConfigAll;
47class IntrControl;
48class SimConsole;
49class Uart;
50class System;
51
52class Platform : public SimObject
53{
54  public:
55    /** Pointer to the interrupt controller */
56    IntrControl *intrctrl;
57
58    /** Pointer to the UART, set by the uart */
59    Uart *uart;
60
61    /** Pointer to the system for info about the memory system. */
62    System *system;
63
64  public:
65    Platform(const std::string &name, IntrControl *intctrl);
66    virtual ~Platform();
67    virtual void postConsoleInt() = 0;
68    virtual void clearConsoleInt() = 0;
69    virtual Tick intrFrequency() = 0;
70    virtual void postPciInt(int line);
71    virtual void clearPciInt(int line);
72    virtual Addr pciToDma(Addr pciAddr) const;
73    virtual Addr calcConfigAddr(int bus, int dev, int func) = 0;
74    virtual void registerPciDevice(uint8_t bus, uint8_t dev, uint8_t func,
75            uint8_t intr);
76
77  private:
78    std::bitset<256> intLines;
79    std::set<uint32_t> pciDevices;
80
81};
82
83#endif // __DEV_PLATFORM_HH__
84