platform.hh revision 2665:a124942bacb8 
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 */
30
31/**
32 * @file
33 * Generic interface for platforms
34 */
35
36#ifndef __DEV_PLATFORM_HH__
37#define __DEV_PLATFORM_HH__
38
39#include "sim/sim_object.hh"
40#include "arch/isa_traits.hh"
41
42class PciConfigAll;
43class IntrControl;
44class SimConsole;
45class Uart;
46class System;
47
48class Platform : public SimObject
49{
50  public:
51    /** Pointer to the interrupt controller */
52    IntrControl *intrctrl;
53
54    /** Pointer to the PCI configuration space */
55    PciConfigAll *pciconfig;
56
57    /** Pointer to the UART, set by the uart */
58    Uart *uart;
59
60    /** Pointer to the system for info about the memory system. */
61    System *system;
62
63  public:
64    Platform(const std::string &name, IntrControl *intctrl);
65    virtual ~Platform();
66    virtual void init() { if (pciconfig == NULL) panic("PCI Config not set"); }
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};
74
75#endif // __DEV_PLATFORM_HH__
76