src/systemc/ext/channel/sc_out_rv.hh

   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_OUT_RV_HH__
  31 #define __SYSTEMC_EXT_CHANNEL_SC_OUT_RV_HH__
  32
  33 #include "../core/sc_port.hh"
  34 #include "sc_inout_rv.hh"
  35 #include "sc_signal_in_if.hh"
  36 #include "sc_signal_inout_if.hh"
  37
  38 namespace sc_dt
  39 {
  40
  41 template <int W>
  42 class sc_lv;
  43
  44 } // namespace sc_dt
  45
  46 namespace sc_core
  47 {
  48
  49 template <int W>
  50 class sc_out_rv : public sc_inout_rv<W>
  51 {
  52   public:
  53     sc_out_rv() : sc_inout_rv<W>() {}
  54     explicit sc_out_rv(const char *name) : sc_inout_rv<W>(name) {}
  55     virtual ~sc_out_rv() {};
  56
  57     sc_out_rv<W> &
  58     operator = (const sc_dt::sc_lv<W> &l)
  59     {
  60         (*this)->write(l);
  61         return *this;
  62     }
  63     sc_out_rv<W> &
  64     operator = (const sc_signal_in_if<sc_dt::sc_lv<W>> &i)
  65     {
  66         (*this)->write(i.read());
  67         return *this;
  68     }
  69     sc_out_rv<W> &
  70     operator = (const sc_port<sc_signal_in_if<sc_dt::sc_lv<W>>, 1> &p)
  71     {
  72         (*this)->write(p->read());
  73         return *this;
  74     }
  75     sc_out_rv<W> &
  76     operator = (const sc_port<sc_signal_inout_if<sc_dt::sc_lv<W>>, 1> &p)
  77     {
  78         (*this)->write(p->read());
  79         return *this;
  80     }
  81     sc_out_rv<W> &
  82     operator = (const sc_out_rv<W> &p)
  83     {
  84         (*this)->write(p->read());
  85         return *this;
  86     }
  87
  88     virtual const char *kind() const { return "sc_out_rv"; }
  89
  90   private:
  91     // Disabled
  92     sc_out_rv(const sc_out_rv<W> &) : sc_inout_rv<W>() {}
  93 };
  94
  95 } // namespace sc_core
  96
  97 #endif  //__SYSTEMC_EXT_CHANNEL_SC_OUT_RV_HH__