intdev.hh revision 5633:e1605152cc54 
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#ifndef __DEV_X86_INTDEV_HH__
32#define __DEV_X86_INTDEV_HH__
33
34#include <assert.h>
35
36#include "sim/sim_object.hh"
37#include "params/X86IntPin.hh"
38
39namespace X86ISA {
40
41class IntDev
42{
43  public:
44    virtual ~IntDev()
45    {}
46    virtual void
47    signalInterrupt(int line) = 0;
48};
49
50class IntPin : public SimObject
51{
52  protected:
53    IntDev * device;
54    int line;
55
56  public:
57    typedef X86IntPinParams Params;
58
59    const Params *
60    params() const
61    {
62        return dynamic_cast<const Params *>(_params);
63    }
64
65    IntPin(Params *p) : SimObject(p),
66            device(dynamic_cast<IntDev *>(p->device)), line(p->line)
67    {
68        assert(device);
69    }
70
71    void
72    signalInterrupt()
73    {
74        device->signalInterrupt(line);
75    }
76};
77
78}; // namespace X86ISA
79
80#endif //__DEV_X86_INTDEV_HH__
81