1/*
2 * Copyright (c) 2012 The Regents of The University of Michigan
3 * Copyright (c) 2012 Mark D. Hill and David A. Wood
3 * Copyright (c) 2012-2013 Mark D. Hill and David A. Wood
4 * Copyright (c) 2013 Advanced Micro Devices, Inc.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions are
9 * met: redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer;
11 * redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the

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34
35#ifndef __SIM_EVENTQ_IMPL_HH__
36#define __SIM_EVENTQ_IMPL_HH__
37
38#include "base/trace.hh"
39#include "sim/eventq.hh"
40
41inline void
41EventQueue::schedule(Event *event, Tick when)
42EventQueue::schedule(Event *event, Tick when, bool global)
43{
44 assert(when >= getCurTick());
45 assert(!event->scheduled());
46 assert(event->initialized());
47
48 event->setWhen(when, this);
48 insert(event);
49
50 // The check below is to make sure of two things
51 // a. a thread schedules local events on other queues through the asyncq
52 // b. a thread schedules global events on the asyncq, whether or not
53 // this event belongs to this eventq. This is required to maintain
54 // a total order amongst the global events. See global_event.{cc,hh}
55 // for more explanation.
56 if (inParallelMode && (this != curEventQueue() || global)) {
57 asyncInsert(event);
58 } else {
59 insert(event);
60 }
61 event->flags.set(Event::Scheduled);
50 if (this == &mainEventQueue)
51 event->flags.set(Event::IsMainQueue);
52 else
53 event->flags.clear(Event::IsMainQueue);
62
63 if (DTRACE(Event))
64 event->trace("scheduled");
65}
66
67inline void
68EventQueue::deschedule(Event *event)
69{
70 assert(event->scheduled());
71 assert(event->initialized());
72 assert(!inParallelMode || this == curEventQueue());
73
74 remove(event);
75
76 event->flags.clear(Event::Squashed);
77 event->flags.clear(Event::Scheduled);
78
79 if (DTRACE(Event))
80 event->trace("descheduled");
81
82 if (event->flags.isSet(Event::AutoDelete))
83 delete event;
84}
85
86inline void
87EventQueue::reschedule(Event *event, Tick when, bool always)
88{
89 assert(when >= getCurTick());
90 assert(always || event->scheduled());
91 assert(event->initialized());
92 assert(!inParallelMode || this == curEventQueue());
93
94 if (event->scheduled())
95 remove(event);
96
97 event->setWhen(when, this);
98 insert(event);
99 event->flags.clear(Event::Squashed);
100 event->flags.set(Event::Scheduled);
91 if (this == &mainEventQueue)
92 event->flags.set(Event::IsMainQueue);
93 else
94 event->flags.clear(Event::IsMainQueue);
101
102 if (DTRACE(Event))
103 event->trace("rescheduled");
104}
105
106#endif // __SIM_EVENTQ_IMPL_HH__