port.cc revision 13207:034ca389a810
1/*
2 * Copyright 2018 Google, Inc.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
6 * met: redistributions of source code must retain the above copyright
7 * notice, this list of conditions and the following disclaimer;
8 * redistributions in binary form must reproduce the above copyright
9 * notice, this list of conditions and the following disclaimer in the
10 * documentation and/or other materials provided with the distribution;
11 * neither the name of the copyright holders nor the names of its
12 * contributors may be used to endorse or promote products derived from
13 * this software without specific prior written permission.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
18 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
19 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
21 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
25 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 *
27 * Authors: Gabe Black
28 */
29
30#include "systemc/core/port.hh"
31
32#include "systemc/core/sensitivity.hh"
33
34namespace sc_gem5
35{
36
37void
38Port::finalizePort(StaticSensitivityPort *port)
39{
40    for (int i = 0; i < size(); i++)
41        port->addEvent(&getInterface(i)->default_event());
42}
43
44void
45Port::finalizeFinder(StaticSensitivityFinder *finder)
46{
47    for (int i = 0; i < size(); i++)
48        finder->addEvent(&finder->find(getInterface(i)));
49}
50
51void
52Port::sensitive(StaticSensitivityPort *port)
53{
54    if (finalized)
55        finalizePort(port);
56    else
57        sensitivities.push_back(new Sensitivity(port));
58}
59
60void
61Port::sensitive(StaticSensitivityFinder *finder)
62{
63    if (finalized)
64        finalizeFinder(finder);
65    else
66        sensitivities.push_back(new Sensitivity(finder));
67}
68
69void
70Port::finalize()
71{
72    if (finalized)
73        return;
74    finalized = true;
75
76    for (auto &b: bindings) {
77        if (b->interface) {
78            addInterface(b->interface);
79        } else {
80            b->port->_gem5Port->finalize();
81            addInterfaces(b->port);
82        }
83        delete b;
84    }
85
86    bindings.clear();
87
88    for (auto &s: sensitivities) {
89        if (s->port)
90            finalizePort(s->port);
91        else
92            finalizeFinder(s->finder);
93        delete s;
94    }
95
96    sensitivities.clear();
97}
98
99std::list<Port *> allPorts;
100
101} // namespace sc_gem5
102