dummy_port.hh revision 13784 
1/*
2 * Copyright 2019 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 __MEM_RUBY_NETWORK_DUMMY_PORT_HH__
31#define __MEM_RUBY_NETWORK_DUMMY_PORT_HH__
32
33#include "mem/port.hh"
34
35class RubyDummyPort : public Port
36{
37  public:
38    RubyDummyPort() : Port("DummyPort", -1) {}
39
40    void
41    bind(Port &peer) override
42    {
43        // No need to connect anything here currently. MessageBuffer
44        // port connections only serve to print the connections in
45        // the config output.
46        // TODO: Add real ports to MessageBuffers and use MemObject connect
47        // code below to bind MessageBuffer senders and receivers
48    }
49    void unbind() override {}
50
51    static RubyDummyPort &
52    instance()
53    {
54        static RubyDummyPort dummy;
55        return dummy;
56    }
57};
58
59#endif //__MEM_RUBY_NETWORK_DUMMY_PORT_HH__
60