sc_simcontext.cc revision 13192:28b6be4aeeb5 
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#include "base/logging.hh"
31#include "systemc/core/object.hh"
32#include "systemc/core/scheduler.hh"
33#include "systemc/ext/core/sc_main.hh"
34#include "systemc/ext/core/sc_simcontext.hh"
35
36namespace sc_core
37{
38
39namespace
40{
41
42size_t objIndex = 0;
43sc_simcontext currContext;
44
45sc_curr_proc_info currProcInfo;
46
47} // anonymous namespace
48
49sc_dt::uint64 sc_simcontext::delta_count() const { return sc_delta_count(); }
50void sc_simcontext::reset() { objIndex = 0; }
51
52sc_curr_proc_handle
53sc_simcontext::get_curr_proc_info()
54{
55    ::sc_gem5::Process *p = ::sc_gem5::scheduler.current();
56    currProcInfo.process_handle = p;
57    currProcInfo.kind = p ? p->procKind() : SC_NO_PROC_;
58    return &currProcInfo;
59}
60
61sc_object *
62sc_simcontext::first_object()
63{
64    objIndex = 0;
65    if (!::sc_gem5::allObjects.empty())
66        return ::sc_gem5::allObjects[0];
67    else
68        return nullptr;
69}
70
71sc_object *
72sc_simcontext::next_object()
73{
74    objIndex++;
75    if (::sc_gem5::allObjects.size() > objIndex)
76        return ::sc_gem5::allObjects[objIndex];
77    else
78        return nullptr;
79}
80
81sc_simcontext *
82sc_get_curr_simcontext()
83{
84    return &currContext;
85}
86
87} // namespace sc_core
88