sc_port.cc revision 13290:1e720f971554 
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 <sstream>
31
32#include "base/logging.hh"
33#include "systemc/core/module.hh"
34#include "systemc/core/port.hh"
35#include "systemc/core/scheduler.hh"
36#include "systemc/ext/core/sc_main.hh"
37#include "systemc/ext/core/sc_port.hh"
38
39namespace sc_core
40{
41
42namespace
43{
44
45void
46reportError(const char *id, const char *add_msg,
47        const char *name, const char *kind)
48{
49    std::string msg;
50    if (add_msg)
51        msg = csprintf("%s: port '%s' (%s)", add_msg, name, kind);
52    else
53        msg = csprintf("port '%s' (%s)", name, kind);
54
55    SC_REPORT_ERROR(id, msg.c_str());
56}
57
58}
59
60sc_port_base::sc_port_base(const char *n, int max_size, sc_port_policy p) :
61    sc_object(n), _gem5Port(nullptr)
62{
63    if (sc_is_running()) {
64        reportError("(E110) insert port failed", "simulation running",
65                name(), kind());
66    }
67    if (::sc_gem5::scheduler.elaborationDone()) {
68        reportError("(E110) insert port failed", "elaboration done",
69                name(), kind());
70    }
71
72    auto m = sc_gem5::pickParentModule();
73    if (!m) {
74        reportError("(E100) port specified outside of module",
75                nullptr, name(), kind());
76    } else {
77        m->ports.push_back(this);
78    }
79    _gem5Port = new ::sc_gem5::Port(this, max_size);
80}
81
82sc_port_base::~sc_port_base()
83{
84    delete _gem5Port;
85}
86
87void
88sc_port_base::warn_unimpl(const char *func) const
89{
90    warn("%s not implemented.\n", func);
91}
92
93void
94sc_port_base::report_error(const char *id, const char *add_msg) const
95{
96    std::ostringstream ss;
97    if (add_msg)
98        ss << add_msg << ": ";
99    ss << "port '" << name() << "' (" << kind() << ")";
100    SC_REPORT_ERROR(id, ss.str().c_str());
101}
102
103int sc_port_base::maxSize() const { return _gem5Port->maxSize(); }
104int sc_port_base::size() const { return _gem5Port->size(); }
105
106void sc_port_base::bind(sc_interface &i) { _gem5Port->bind(&i); }
107void sc_port_base::bind(sc_port_base &p) { _gem5Port->bind(&p); }
108
109} // namespace sc_core
110