pygen.cc revision 12895:16e3712d8189 
1/*
2 * Copyright (c) 2018 ARM Limited
3 * All rights reserved
4 *
5 * The license below extends only to copyright in the software and shall
6 * not be construed as granting a license to any other intellectual
7 * property including but not limited to intellectual property relating
8 * to a hardware implementation of the functionality of the software
9 * licensed hereunder.  You may use the software subject to the license
10 * terms below provided that you ensure that this notice is replicated
11 * unmodified and in its entirety in all distributions of the software,
12 * modified or unmodified, in source code or in binary form.
13 *
14 * Redistribution and use in source and binary forms, with or without
15 * modification, are permitted provided that the following conditions are
16 * met: redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer;
18 * redistributions in binary form must reproduce the above copyright
19 * notice, this list of conditions and the following disclaimer in the
20 * documentation and/or other materials provided with the distribution;
21 * neither the name of the copyright holders nor the names of its
22 * contributors may be used to endorse or promote products derived from
23 * this software without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
26 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
27 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
28 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
29 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
30 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
31 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
32 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
33 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
34 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
35 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
36 *
37 * Authors: Andreas Sandberg
38 */
39#include "cpu/testers/traffic_gen/pygen.hh"
40
41#include "config/have_protobuf.hh"
42#include "debug/TrafficGen.hh"
43#include "params/PyTrafficGen.hh"
44#include "sim/init.hh"
45
46namespace py = pybind11;
47
48PyTrafficGen::PyTrafficGen(const PyTrafficGenParams *p)
49    : BaseTrafficGen(p)
50{
51}
52
53void
54PyTrafficGen::start(pybind11::object meta_generator)
55{
56    metaGenerator = meta_generator.begin();
57    BaseTrafficGen::start();
58}
59
60std::shared_ptr<BaseGen>
61PyTrafficGen::nextGenerator()
62{
63    if (!metaGenerator)
64        return std::shared_ptr<BaseGen>();
65
66    if (metaGenerator == py::iterator::sentinel()) {
67        DPRINTF(TrafficGen, "No more generators available.\n");
68        return std::shared_ptr<BaseGen>();
69    }
70
71    try {
72        DPRINTF(TrafficGen, "Casting to C++ base class.\n");
73        std::shared_ptr<BaseGen> gen =
74            metaGenerator->cast<std::shared_ptr<BaseGen>>();
75        metaGenerator++;
76        return gen;
77    } catch (py::cast_error&) {
78        fatal("Meta generator didn't return a valid trace generator\n");
79    }
80}
81
82void
83pybind_init_tracers(py::module &m_native)
84{
85    using namespace pybind11::literals;
86
87    py::module m = m_native.def_submodule("trace");
88
89    py::class_<BaseGen, std::shared_ptr<BaseGen>> c_base(m, "BaseGen");
90}
91
92static EmbeddedPyBind _py_tracers("trace", pybind_init_tracers);
93
94PyTrafficGen*
95PyTrafficGenParams::create()
96{
97    return new PyTrafficGen(this);
98}
99
100