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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81 for (auto p: m->ports)
82 p->before_end_of_elaboration();
83 for (auto e: m->exports)
84 e->before_end_of_elaboration();
85 }
86 callbackModule(nullptr);
87 for (auto c: sc_gem5::allChannels)
88 c->sc_chan()->before_end_of_elaboration();
89
90 if (stopAfterCallbacks)
91 stopWork();
92}
93
94void
95Kernel::regStats()
96{
97 if (scMainDone)
98 return;
99
100 for (auto m: sc_gem5::allModules)
101 for (auto p: m->ports)
102 p->_gem5Finalize();
103
104 status(::sc_core::SC_END_OF_ELABORATION);
105 for (auto m: sc_gem5::allModules) {
106 callbackModule(m);
107 m->sc_mod()->end_of_elaboration();
108 for (auto p: m->ports)
109 p->end_of_elaboration();
110 for (auto e: m->exports)
111 e->end_of_elaboration();
112 }
113 callbackModule(nullptr);
114 for (auto c: sc_gem5::allChannels)
115 c->sc_chan()->end_of_elaboration();
116
117 if (stopAfterCallbacks)
118 stopWork();
119}
120
121void
122Kernel::startup()
123{
124 if (scMainDone)
125 return;
126
127 status(::sc_core::SC_START_OF_SIMULATION);
128 for (auto m: sc_gem5::allModules) {
129 m->sc_mod()->start_of_simulation();
130 for (auto p: m->ports)
131 p->start_of_simulation();
132 for (auto e: m->exports)
133 e->start_of_simulation();
134 }
135 for (auto c: sc_gem5::allChannels)
136 c->sc_chan()->start_of_simulation();
137
138 startComplete = true;
139
140 if (stopAfterCallbacks)
141 stopWork();
142
143 kernel->status(::sc_core::SC_RUNNING);
144
145 schedule(t0Event, curTick());
146 // Run update once before the event queue starts.
147 ::sc_gem5::scheduler.update();
148}
149
150void
151Kernel::stop()
152{
153 if (status() < ::sc_core::SC_RUNNING)

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173 endComplete = true;
174
175 status(::sc_core::SC_STOPPED);
176}
177
178void
179Kernel::t0Handler()
180{
181 ::sc_gem5::scheduler.initPhase();
182
183 status(::sc_core::SC_RUNNING);
184}
185
186Kernel *kernel;
187
188} // namespace sc_gem5
189
190sc_gem5::Kernel *
191SystemC_KernelParams::create()
192{
193 panic_if(sc_gem5::kernel,
194 "Only one systemc kernel object may be defined.\n");
195 sc_gem5::kernel = new sc_gem5::Kernel(this);
196 return sc_gem5::kernel;
197}