pc.hh revision 5389:215d8a8c97df 
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: Gabe Black
29 */
30
31/**
32 * @file
33 * Declaration of top level class for PC platform components. This class
34 * just retains pointers to all its children so the children can communicate.
35 */
36
37#ifndef __DEV_PC_HH__
38#define __DEV_PC_HH__
39
40#include "dev/platform.hh"
41#include "params/PC.hh"
42
43class IdeController;
44class System;
45
46class PC : public Platform
47{
48  public:
49    /** Pointer to the system */
50    System *system;
51
52  public:
53    typedef PCParams Params;
54
55    PC(const Params *p);
56
57    /**
58     * Return the interrupting frequency to AlphaAccess
59     * @return frequency of RTC interrupts
60     */
61    virtual Tick intrFrequency();
62
63    /**
64     * Cause the cpu to post a serial interrupt to the CPU.
65     */
66    virtual void postConsoleInt();
67
68    /**
69     * Clear a posted CPU interrupt
70     */
71    virtual void clearConsoleInt();
72
73    /**
74     * Cause the chipset to post a pci interrupt to the CPU.
75     */
76    virtual void postPciInt(int line);
77
78    /**
79     * Clear a posted PCI->CPU interrupt
80     */
81    virtual void clearPciInt(int line);
82
83
84    virtual Addr pciToDma(Addr pciAddr) const;
85
86    /**
87     * Calculate the configuration address given a bus/dev/func.
88     */
89    virtual Addr calcConfigAddr(int bus, int dev, int func);
90};
91
92#endif // __DEV_PC_HH__
93