platform.hh revision 1149 
1/*
2 * Copyright (c) 2004 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 __PLATFORM_HH_
35#define __PLATFORM_HH_
36
37#include "sim/sim_object.hh"
38#include "targetarch/isa_traits.hh"
39
40class PciConfigAll;
41class IntrControl;
42class SimConsole;
43class Uart;
44
45class Platform : public SimObject
46{
47  public:
48    /** Pointer to the interrupt controller */
49    IntrControl *intrctrl;
50    /** Pointer to the simulation console */
51    SimConsole *cons;
52    /** Pointer to the PCI configuration space */
53    PciConfigAll *pciconfig;
54
55    /** Pointer to the UART, set by the uart */
56    Uart *uart;
57
58    int interrupt_frequency;
59
60  public:
61    Platform(const std::string &name, IntrControl *intctrl,
62             PciConfigAll *pci, int intrFreq)
63        : SimObject(name), intrctrl(intctrl), pciconfig(pci),
64          interrupt_frequency(intrFreq) {}
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};
73
74#endif // __PLATFORM_HH_
75