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#ifndef __SYSTEMC_EXT_CHANNEL_SC_INOUT_RV_HH__
31#define __SYSTEMC_EXT_CHANNEL_SC_INOUT_RV_HH__
32
33#include <sstream>
34
35#include "../core/sc_port.hh"
36#include "messages.hh"
37#include "sc_signal_in_if.hh"
38#include "sc_signal_inout_if.hh"
39#include "sc_signal_rv.hh"
40
41namespace sc_dt
42{
43
44template <int W>
45class sc_lv;
46
47} // namespace sc_dt
48
49namespace sc_core
50{
51
52template <int W>
53class sc_inout_rv : public sc_inout<sc_dt::sc_lv<W>>
54{
55  public:
56    sc_inout_rv() : sc_inout<sc_dt::sc_lv<W>>() {}
57    explicit sc_inout_rv(const char *name) : sc_inout<sc_dt::sc_lv<W>>(name) {}
58    virtual ~sc_inout_rv() {}
59
60    sc_inout_rv<W> &
61    operator = (const sc_dt::sc_lv<W> &l)
62    {
63        (*this)->write(l);
64        return *this;
65    }
66    sc_inout_rv<W> &
67    operator = (const sc_signal_in_if<sc_dt::sc_lv<W>> &i)
68    {
69        (*this)->write(i.read());
70        return *this;
71    }
72    sc_inout_rv<W> &
73    operator = (const sc_port<sc_signal_in_if<sc_dt::sc_lv<W>>, 1> &p)
74    {
75        (*this)->write(p->read());
76        return *this;
77    }
78    sc_inout_rv<W> &
79    operator = (const sc_port<sc_signal_inout_if<sc_dt::sc_lv<W>>, 1> &p)
80    {
81        (*this)->write(p->read());
82        return *this;
83    }
84    sc_inout_rv<W> &
85    operator = (const sc_inout_rv<W> &p)
86    {
87        (*this)->write(p->read());
88        return *this;
89    }
90
91    virtual void
92    end_of_elaboration()
93    {
94        sc_inout<sc_dt::sc_lv<W> >::end_of_elaboration();
95        if (!dynamic_cast<sc_signal_rv<W> *>(this->get_interface())) {
96            std::ostringstream ss;
97            ss << "port '" << this->name() << "' (" << this->kind() << ")";
98            SC_REPORT_ERROR(SC_ID_RESOLVED_PORT_NOT_BOUND_, ss.str().c_str());
99        }
100    }
101
102    virtual const char *kind() const { return "sc_inout_rv"; }
103};
104
105} // namespace sc_core
106
107#endif  //__SYSTEMC_EXT_CHANNEL_SC_INOUT_RV_HH__
108