malta.hh revision 12429:beefb9f5f551 
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: Ali Saidi
29 *          Rick Strong
30 */
31
32/**
33 * @file
34 * Declaration of top level class for the Malta chipset. This class just
35 * retains pointers to all its children so the children can communicate.
36 */
37
38#ifndef __DEV_MALTA_HH__
39#define __DEV_MALTA_HH__
40
41#include "dev/platform.hh"
42#include "params/Malta.hh"
43
44class IdeController;
45class MaltaCChip;
46class MaltaIO;
47class System;
48
49/**
50  * Top level class for Malta Chipset emulation.
51  * This structure just contains pointers to all the
52  * children so the children can commnicate to do the
53  * read work
54  */
55
56class Malta : public Platform
57{
58  public:
59    /** Max number of CPUs in a Malta */
60    static const int Max_CPUs = 64;
61
62    /** Pointer to the system */
63    System *system;
64
65    /** Pointer to the MaltaIO device which has the RTC */
66    MaltaIO *io;
67
68    /** Pointer to the Malta CChip.
69     * The chip contains some configuration information and
70     * all the interrupt mask and status registers
71     */
72    MaltaCChip *cchip;
73
74    int intr_sum_type[Malta::Max_CPUs];
75    int ipi_pending[Malta::Max_CPUs];
76
77  public:
78    /**
79     * Constructor for the Malta Class.
80     * @param name name of the object
81     * @param s system the object belongs to
82     * @param intctrl pointer to the interrupt controller
83     */
84    typedef MaltaParams Params;
85    Malta(const Params *p);
86
87    /**
88     * Cause the cpu to post a serial interrupt to the CPU.
89     */
90    void postConsoleInt() override;
91
92    /**
93     * Clear a posted CPU interrupt (id=55)
94     */
95    void clearConsoleInt() override;
96
97    /**
98     * Cause the chipset to post a cpi interrupt to the CPU.
99     */
100    void postPciInt(int line) override;
101
102    /**
103     * Clear a posted PCI->CPU interrupt
104     */
105    void clearPciInt(int line) override;
106
107
108    virtual Addr pciToDma(Addr pciAddr) const;
109
110    Addr
111    calcPciConfigAddr(int bus, int dev, int func)
112    {
113        panic("Need implementation\n");
114        M5_DUMMY_RETURN
115    }
116
117    Addr
118    calcPciIOAddr(Addr addr)
119    {
120        panic("Need implementation\n");
121        M5_DUMMY_RETURN
122    }
123
124    Addr
125    calcPciMemAddr(Addr addr)
126    {
127        panic("Need implementation\n");
128        M5_DUMMY_RETURN
129    }
130
131    void serialize(CheckpointOut &cp) const override;
132    void unserialize(CheckpointIn &cp) override;
133};
134
135#endif // __DEV_MALTA_HH__
136