1/*
2 * Copyright (c) 2015, University of Kaiserslautern
3 * Copyright (c) 2016, Dresden University of Technology (TU Dresden)
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are
8 * met:
9 *
10 * 1. Redistributions of source code must retain the above copyright notice,
11 *    this list of conditions and the following disclaimer.
12 *
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 *
17 * 3. Neither the name of the copyright holder nor the names of its
18 *    contributors may be used to endorse or promote products derived from
19 *    this software without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
23 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
24 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER
25 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
26 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
27 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
28 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
29 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
30 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
31 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 *
33 * Authors:
34 *    Matthias Jung
35 *    Christian Menard
36 */
37
38#ifndef __SYSTEMC_TLM_BRIDGE_SC_EXT_HH__
39#define __SYSTEMC_TLM_BRIDGE_SC_EXT_HH__
40
41#include "mem/packet.hh"
42#include "systemc/ext/tlm_core/2/generic_payload/gp.hh"
43
44namespace Gem5SystemC
45{
46
47class Gem5Extension: public tlm::tlm_extension<Gem5Extension>
48{
49  public:
50    Gem5Extension(PacketPtr _packet);
51
52    virtual tlm_extension_base *clone() const;
53    virtual void copy_from(const tlm_extension_base &ext);
54
55    static Gem5Extension &getExtension(
56            const tlm::tlm_generic_payload *payload);
57    static Gem5Extension &getExtension(
58            const tlm::tlm_generic_payload &payload);
59    PacketPtr getPacket();
60
61    bool isPipeThrough() const { return pipeThrough; }
62    void setPipeThrough() { pipeThrough = true; }
63
64  private:
65    PacketPtr packet;
66    bool pipeThrough;
67};
68
69} // namespace Gem5SystemC
70
71#endif // __SYSTEMC_TLM_BRIDGE_SC_EXT_HH__
72