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

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25 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 *
27 * Authors: Gabe Black
28 */
29
30#include "systemc/core/kernel.hh"
31
32#include "base/logging.hh"
33#include "systemc/core/channel.hh"
34#include "systemc/core/module.hh"
35#include "systemc/core/scheduler.hh"
36
37namespace sc_gem5
38{
39
40namespace
41{

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63
64void
65Kernel::init()
66{
67 status(::sc_core::SC_BEFORE_END_OF_ELABORATION);
68 for (auto m: sc_gem5::allModules) {
69 callbackModule(m);
70 m->sc_mod()->before_end_of_elaboration();
71 for (auto p: m->ports)
72 p->before_end_of_elaboration();
73 for (auto e: m->exports)
74 e->before_end_of_elaboration();
75 }
76 callbackModule(nullptr);
77 for (auto c: sc_gem5::allChannels)
78 c->sc_chan()->before_end_of_elaboration();
79
80 if (stopAfterCallbacks)
81 stopWork();
82}
83
84void
85Kernel::regStats()
86{
87 for (auto m: sc_gem5::allModules)
88 for (auto p: m->ports)
89 p->_gem5Finalize();
90
91 status(::sc_core::SC_END_OF_ELABORATION);
92 for (auto m: sc_gem5::allModules) {
93 m->sc_mod()->end_of_elaboration();
94 for (auto p: m->ports)
95 p->end_of_elaboration();
96 for (auto e: m->exports)
97 e->end_of_elaboration();
98 }
99 for (auto c: sc_gem5::allChannels)
100 c->sc_chan()->end_of_elaboration();
101
102 if (stopAfterCallbacks)
103 stopWork();
104}
105
106void
107Kernel::startup()
108{
109 status(::sc_core::SC_START_OF_SIMULATION);
110 for (auto m: sc_gem5::allModules) {
111 m->sc_mod()->start_of_simulation();
112 for (auto p: m->ports)
113 p->start_of_simulation();
114 for (auto e: m->exports)
115 e->start_of_simulation();
116 }
117 for (auto c: sc_gem5::allChannels)
118 c->sc_chan()->start_of_simulation();
119
120 startComplete = true;
121
122 if (stopAfterCallbacks)
123 stopWork();
124
125 kernel->status(::sc_core::SC_RUNNING);
126

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137 else
138 stopWork();
139}
140
141void
142Kernel::stopWork()
143{
144 status(::sc_core::SC_END_OF_SIMULATION);
145 for (auto m: sc_gem5::allModules) {
146 m->sc_mod()->end_of_simulation();
147 for (auto p: m->ports)
148 p->end_of_simulation();
149 for (auto e: m->exports)
150 e->end_of_simulation();
151 }
152 for (auto c: sc_gem5::allChannels)
153 c->sc_chan()->end_of_simulation();
154
155 endComplete = true;
156
157 status(::sc_core::SC_STOPPED);
158
159 if (stopAfterCallbacks)
160 fatal("Simulation called sc_stop during elaboration.\n");
161}

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