sc_inout_rv.hh revision 13272:cb5ddeab3a04 
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 "sc_signal_in_if.hh"
37#include "sc_signal_inout_if.hh"
38#include "sc_signal_rv.hh"
39
40namespace sc_dt
41{
42
43template <int W>
44class sc_lv;
45
46} // namespace sc_dt
47
48namespace sc_core
49{
50
51template <int W>
52class sc_inout_rv : public sc_inout<sc_dt::sc_lv<W>>
53{
54  public:
55    sc_inout_rv() : sc_inout<sc_dt::sc_lv<W>>() {}
56    explicit sc_inout_rv(const char *name) : sc_inout<sc_dt::sc_lv<W>>(name) {}
57    virtual ~sc_inout_rv() {}
58
59    sc_inout_rv<W> &
60    operator = (const sc_dt::sc_lv<W> &l)
61    {
62        (*this)->write(l);
63        return *this;
64    }
65    sc_inout_rv<W> &
66    operator = (const sc_signal_in_if<sc_dt::sc_lv<W>> &i)
67    {
68        (*this)->write(i.read());
69        return *this;
70    }
71    sc_inout_rv<W> &
72    operator = (const sc_port<sc_signal_in_if<sc_dt::sc_lv<W>>, 1> &p)
73    {
74        (*this)->write(p->read());
75        return *this;
76    }
77    sc_inout_rv<W> &
78    operator = (const sc_port<sc_signal_inout_if<sc_dt::sc_lv<W>>, 1> &p)
79    {
80        (*this)->write(p->read());
81        return *this;
82    }
83    sc_inout_rv<W> &
84    operator = (const sc_inout_rv<W> &p)
85    {
86        (*this)->write(p->read());
87        return *this;
88    }
89
90    virtual void
91    end_of_elaboration()
92    {
93        sc_inout<sc_dt::sc_lv<W> >::end_of_elaboration();
94        if (!dynamic_cast<sc_signal_rv<W> *>(this->get_interface())) {
95            std::ostringstream ss;
96            ss << "port '" << this->name() << "' (" << this->kind() << ")";
97            SC_REPORT_ERROR(
98                    "(E117) resolved port not bound to resolved signal",
99                    ss.str().c_str());
100        }
101    }
102
103    virtual const char *kind() const { return "sc_inout_rv"; }
104};
105
106} // namespace sc_core
107
108#endif  //__SYSTEMC_EXT_CHANNEL_SC_INOUT_RV_HH__
109