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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28 */
29
30#include "systemc/core/kernel.hh"
31#include "systemc/core/scheduler.hh"
32
33namespace SystemC
34{
35
36Kernel::Kernel(Params *params) :
37 SimObject(params), t0Event(this, false, EventBase::Default_Pri - 1) {}
38
39void
40Kernel::startup()
41{
42 schedule(t0Event, curTick());
43 // Install ourselves as the scheduler's event manager.
44 ::sc_gem5::scheduler.setEventQueue(eventQueue());
45 // Run update once before the event queue starts.
46 ::sc_gem5::scheduler.update();
47}
48
49void
50Kernel::t0Handler()
51{
52 // Now that the event queue has started, mark all the processes that
53 // need to be initialized as ready to run.
54 //
55 // This event has greater priority than delta notifications and so will
56 // happen before them, honoring the ordering for the initialization phase
57 // in the spec. The delta phase will happen at normal priority, and then
58 // the event which runs the processes which is at a lower priority.
59 ::sc_gem5::scheduler.initToReady();
60}
61
62} // namespace SystemC
63
64SystemC::Kernel *
65SystemC_KernelParams::create()
66{
67 return new SystemC::Kernel(this);
68}