gem5  v22.0.0.1
peq_with_get.h
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19 
20 // 12-Jan-2009 John Aynsley Bug fix. sc_time argument to notify should be const
21 // 20-Mar-2009 John Aynsley Add cancel_all() method
22 
23 
24 #ifndef __SYSTEMC_EXT_TLM_UTILS_PEQ_WITH_GET_H__
25 #define __SYSTEMC_EXT_TLM_UTILS_PEQ_WITH_GET_H__
26 
27 #include <map>
28 
29 #include "../core/sc_event.hh"
30 #include "../core/sc_main.hh"
31 #include "../core/sc_object.hh"
32 #include "../core/sc_time.hh"
33 
34 namespace tlm_utils
35 {
36 
37 template <class PAYLOAD>
38 class peq_with_get : public sc_core::sc_object
39 {
40  public:
41  typedef PAYLOAD transaction_type;
43 
44  public:
45  peq_with_get(const char *name) : sc_core::sc_object(name) {}
46 
47  void
49  {
51  &trans));
52  m_event.notify(t);
53  }
54 
55  void
56  notify(transaction_type &trans)
57  {
59  m_event.notify(); // Immediate notification.
60  }
61 
62  // Needs to be called until it returns NULL
65  {
66  if (m_scheduled_events.empty()) {
67  return nullptr;
68  }
69 
71  if (m_scheduled_events.begin()->first <= now) {
72  transaction_type *trans = m_scheduled_events.begin()->second;
74  return trans;
75  }
76 
77  m_event.notify(m_scheduled_events.begin()->first - now);
78 
79  return nullptr;
80  }
81 
83 
84  // Cancel all events from the event queue.
85  void
86  cancel_all()
87  {
88  m_scheduled_events.clear();
89  m_event.cancel();
90  }
91 
92  private:
93  std::multimap<const sc_core::sc_time, transaction_type *>
96 };
97 
98 } // namespace tlm_utils
99 
100 #endif /* __SYSTEMC_EXT_TLM_UTILS_PEQ_WITH_GET_H__ */
tlm_utils::peq_with_get::get_next_transaction
transaction_type * get_next_transaction()
Definition: peq_with_get.h:98
tlm_utils::peq_with_get::transaction_type
PAYLOAD transaction_type
Definition: peq_with_get.h:75
sc_core
Definition: messages.cc:31
tlm_utils::peq_with_get::notify
void notify(transaction_type &trans, const sc_core::sc_time &t)
Definition: peq_with_get.h:82
tlm_utils::peq_with_get::get_event
sc_core::sc_event & get_event()
Definition: peq_with_get.h:116
tlm_utils::peq_with_get::m_scheduled_events
std::multimap< const sc_core::sc_time, transaction_type * > m_scheduled_events
Definition: peq_with_get.h:128
tlm_utils::peq_with_get::pair_type
std::pair< const sc_core::sc_time, transaction_type * > pair_type
Definition: peq_with_get.h:76
gem5::VegaISA::t
Bitfield< 51 > t
Definition: pagetable.hh:56
tlm_utils::peq_with_get::peq_with_get
peq_with_get(const char *name)
Definition: peq_with_get.h:79
sc_core::sc_event
Definition: sc_event.hh:169
sc_core::sc_time
Definition: sc_time.hh:49
std::pair
STL pair class.
Definition: stl.hh:58
sc_core::sc_object
Definition: sc_object.hh:50
sc_core::sc_event::notify
void notify()
Definition: sc_event.cc:337
tlm_utils
Definition: convenience_socket_bases.h:29
tlm_utils::peq_with_get::m_event
sc_core::sc_event m_event
Definition: peq_with_get.h:129
sc_core::sc_event::cancel
void cancel()
Definition: sc_event.cc:340
tlm_utils::peq_with_get::cancel_all
void cancel_all()
Definition: peq_with_get.h:120
sc_core::sc_object::name
const char * name() const
Definition: sc_object.cc:44
sc_core::sc_object::sc_object
sc_object()
Definition: sc_object.cc:133
sc_core::sc_time_stamp
const sc_time & sc_time_stamp()
Definition: sc_main.cc:127

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