sc_port.cc revision 13053:a7a320144bc1 
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 "base/logging.hh"
31#include "systemc/core/bindinfo.hh"
32#include "systemc/core/module.hh"
33#include "systemc/ext/core/sc_port.hh"
34
35namespace sc_core
36{
37
38sc_port_base::sc_port_base(const char *name, int n, sc_port_policy p) :
39    sc_object(name), _maxSize(n), _size(0), finalized(false)
40{
41    ::sc_gem5::Module *m = ::sc_gem5::currentModule();
42    m->ports.push_back(this);
43}
44
45void
46sc_port_base::warn_unimpl(const char *func) const
47{
48    warn("%s not implemented.\n", func);
49}
50
51int sc_port_base::maxSize() const { return _maxSize; }
52int sc_port_base::size() const { return _size; }
53
54void
55sc_port_base::bind(sc_interface &i)
56{
57    _gem5BindInfo.push_back(new ::sc_gem5::BindInfo(&i));
58}
59
60void
61sc_port_base::bind(sc_port_base &p)
62{
63    _gem5BindInfo.push_back(new ::sc_gem5::BindInfo(&p));
64}
65
66void
67sc_port_base::_gem5Finalize()
68{
69    if (finalized)
70        return;
71    finalized = true;
72
73    for (auto &bi: _gem5BindInfo) {
74        if (bi->interface) {
75            _size++;
76            _gem5AddInterface(bi->interface);
77        } else {
78            sc_port_base *port = bi->port;
79            port->_gem5Finalize();
80            int size = port->size();
81            for (int i = 0; i < size; i++) {
82                _size++;
83                _gem5AddInterface(port->_gem5Interface(i));
84            }
85        }
86        delete bi;
87    }
88
89    _gem5BindInfo.clear();
90}
91
92} // namespace sc_core
93