gem5  v21.1.0.2
Consumer.cc
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40 
42 
43 namespace gem5
44 {
45 
46 namespace ruby
47 {
48 
50  : m_wakeup_event([this]{ processCurrentEvent(); },
51  "Consumer Event", false),
52  em(_em)
53 { }
54 
55 void
57 {
58  m_wakeup_ticks.insert(em->clockEdge(timeDelta));
60 }
61 
62 void
64 {
65  m_wakeup_ticks.insert(
66  divCeil(evt_time, em->clockPeriod()) * em->clockPeriod());
68 }
69 
70 void
72 {
73  // look for the next tick in the future to schedule
74  auto it = m_wakeup_ticks.lower_bound(em->clockEdge());
75  if (it != m_wakeup_ticks.end()) {
76  Tick when = *it;
77  assert(when >= em->clockEdge());
78  if (m_wakeup_event.scheduled() && (when < m_wakeup_event.when()))
79  em->reschedule(m_wakeup_event, when, true);
80  else if (!m_wakeup_event.scheduled())
81  em->schedule(m_wakeup_event, when);
82  }
83 }
84 
85 void
87 {
88  auto curr = m_wakeup_ticks.begin();
89  assert(em->clockEdge() == *curr);
90 
91  // remove the current tick from the wakeup list, wake up, and then schedule
92  // the next wakeup
93  m_wakeup_ticks.erase(curr);
94  wakeup();
96 }
97 
98 } // namespace ruby
99 } // namespace gem5
gem5::Event::when
Tick when() const
Get the time that the event is scheduled.
Definition: eventq.hh:508
gem5::EventManager::schedule
void schedule(Event &event, Tick when)
Definition: eventq.hh:1019
gem5::ruby::Consumer::processCurrentEvent
void processCurrentEvent()
Definition: Consumer.cc:86
gem5::ruby::Consumer::m_wakeup_ticks
std::set< Tick > m_wakeup_ticks
Definition: Consumer.hh:90
gem5::Cycles
Cycles is a wrapper class for representing cycle counts, i.e.
Definition: types.hh:78
gem5::X86ISA::em
Bitfield< 2 > em
Definition: misc.hh:608
gem5::ruby::Consumer::scheduleNextWakeup
void scheduleNextWakeup()
Definition: Consumer.cc:71
gem5::ruby::Consumer::scheduleEvent
void scheduleEvent(Cycles timeDelta)
Definition: Consumer.cc:56
gem5::Tick
uint64_t Tick
Tick count type.
Definition: types.hh:58
gem5::EventManager::reschedule
void reschedule(Event &event, Tick when, bool always=false)
Definition: eventq.hh:1037
gem5::ClockedObject
The ClockedObject class extends the SimObject with a clock and accessor functions to relate ticks to ...
Definition: clocked_object.hh:234
gem5::Clocked::clockEdge
Tick clockEdge(Cycles cycles=Cycles(0)) const
Determine the tick when a cycle begins, by default the current one, but the argument also enables the...
Definition: clocked_object.hh:177
gem5::divCeil
static constexpr T divCeil(const T &a, const U &b)
Definition: intmath.hh:110
gem5::ruby::Consumer::Consumer
Consumer(ClockedObject *_em)
Definition: Consumer.cc:49
gem5::ruby::Consumer::wakeup
virtual void wakeup()=0
gem5::ruby::Consumer::em
ClockedObject * em
Definition: Consumer.hh:92
Consumer.hh
gem5::ruby::Consumer::m_wakeup_event
EventFunctionWrapper m_wakeup_event
Definition: Consumer.hh:91
gem5
Reference material can be found at the JEDEC website: UFS standard http://www.jedec....
Definition: decoder.cc:40
gem5::ruby::Consumer::scheduleEventAbsolute
void scheduleEventAbsolute(Tick timeAbs)
Definition: Consumer.cc:63
gem5::Event::scheduled
bool scheduled() const
Determine if the current event is scheduled.
Definition: eventq.hh:465
gem5::Clocked::clockPeriod
Tick clockPeriod() const
Definition: clocked_object.hh:217

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