sc_signal_rv.hh revision 12841 
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_SIGNAL_RV_HH__
31#define __SYSTEMC_EXT_CHANNEL_SC_SIGNAL_RV_HH__
32
33#include "../core/sc_module.hh" // for sc_gen_unique_name
34#include "sc_signal.hh"
35#include "warn_unimpl.hh"
36
37namespace sc_dt
38{
39
40template <int W>
41class sc_lv;
42
43};
44
45namespace sc_core
46{
47
48class sc_port_base;
49
50template <int W>
51class sc_signal_rv : public sc_signal<sc_dt::sc_lv<W>, SC_MANY_WRITERS>
52{
53  public:
54    sc_signal_rv() : sc_signal<sc_dt::sc_lv<W>, SC_MANY_WRITERS>(
55            sc_gen_unique_name("signal_rv"))
56    {}
57    sc_signal_rv(const char *name) :
58            sc_signal<sc_dt::sc_lv<W>, SC_MANY_WRITERS>(name)
59    {}
60    virtual ~sc_signal_rv() {}
61
62    virtual void
63    register_port(sc_port_base &, const char *)
64    {
65        sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
66    }
67
68    virtual void
69    write(const sc_dt::sc_lv<W> &)
70    {
71        sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
72    }
73    sc_signal_rv<W> &
74    operator = (const sc_dt::sc_lv<W> &)
75    {
76        sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
77        return *this;
78    }
79    sc_signal_rv<W> &
80    operator = (const sc_signal_rv<W> &)
81    {
82        sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
83        return *this;
84    }
85
86    virtual const char *kind() const { return "sc_signal_rv"; }
87
88  protected:
89    virtual void
90    update()
91    {
92        sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
93    }
94
95  private:
96    // Disabled
97    sc_signal_rv(const sc_signal_rv<W> &) :
98            sc_signal<sc_dt::sc_lv<W>, SC_MANY_WRITERS>()
99    {}
100};
101
102} // namespace sc_core
103
104#endif  //__SYSTEMC_EXT_CHANNEL_SC_SIGNAL_RV_HH__
105