pc.hh revision 5446:23711deb13ac 
1/*
2 * Copyright (c) 2008 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 "dev/x86/south_bridge/south_bridge.hh"
42#include "params/PC.hh"
43
44class IdeController;
45class System;
46
47class PC : public Platform
48{
49  public:
50    /** Pointer to the system */
51    System *system;
52    SouthBridge * southBridge;
53
54  public:
55    typedef PCParams Params;
56
57    /**
58     * Do platform initialization stuff
59     */
60    void init();
61
62    PC(const Params *p);
63
64    /**
65     * Return the interrupting frequency to AlphaAccess
66     * @return frequency of RTC interrupts
67     */
68    virtual Tick intrFrequency();
69
70    /**
71     * Cause the cpu to post a serial interrupt to the CPU.
72     */
73    virtual void postConsoleInt();
74
75    /**
76     * Clear a posted CPU interrupt
77     */
78    virtual void clearConsoleInt();
79
80    /**
81     * Cause the chipset to post a pci interrupt to the CPU.
82     */
83    virtual void postPciInt(int line);
84
85    /**
86     * Clear a posted PCI->CPU interrupt
87     */
88    virtual void clearPciInt(int line);
89
90
91    virtual Addr pciToDma(Addr pciAddr) const;
92
93    /**
94     * Calculate the configuration address given a bus/dev/func.
95     */
96    virtual Addr calcConfigAddr(int bus, int dev, int func);
97};
98
99#endif // __DEV_PC_HH__
100