gem5  v21.2.1.1
fifo_put_get.hh
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19 
20 #ifndef __TLM_CORE_1_REQ_RSP_CHANNELS_FIFO_FIFO_PUT_GET_HH__
21 #define __TLM_CORE_1_REQ_RSP_CHANNELS_FIFO_FIFO_PUT_GET_HH__
22 
23 namespace tlm
24 {
25 
26 // Get interface.
27 template <typename T>
28 inline T
29 tlm_fifo<T>::get(tlm_tag<T> *)
30 {
31  while (is_empty()) {
32  wait(m_data_written_event);
33  }
34 
35  m_num_read++;
36  request_update();
37 
38  return buffer.read();
39 }
40 
41 // Non-blocking read.
42 template <typename T>
43 inline bool
44 tlm_fifo<T>::nb_get(T &val_)
45 {
46  if (is_empty()) {
47  return false;
48  }
49 
50  m_num_read++;
51  request_update();
52 
53  val_ = buffer.read();
54 
55  return true;
56 }
57 
58 template <typename T>
59 inline bool
60 tlm_fifo<T>::nb_can_get(tlm_tag<T> *) const
61 {
62  return !is_empty();
63 }
64 
65 
66 // Put interface.
67 template <typename T>
68 inline void
69 tlm_fifo<T>::put(const T &val_)
70 {
71  while (is_full()) {
72  wait(m_data_read_event);
73  }
74 
75  if (buffer.is_full()) {
76  buffer.resize(buffer.size() * 2);
77  }
78 
79  m_num_written++;
80  buffer.write(val_);
81 
82  request_update();
83 }
84 
85 template <typename T>
86 inline bool
87 tlm_fifo<T>::nb_put(const T &val_)
88 {
89  if (is_full()) {
90  return false;
91  }
92 
93  if (buffer.is_full()) {
94  buffer.resize(buffer.size() * 2);
95  }
96 
97  m_num_written++;
98  buffer.write(val_);
99  request_update();
100 
101  return true;
102 }
103 
104 template <typename T>
105 inline bool
107 {
108  return !is_full();
109 }
110 
111 } // namespace tlm
112 
113 #endif /* __TLM_CORE_1_REQ_RSP_CHANNELS_FIFO_FIFO_PUT_GET_HH__ */
tlm::tlm_fifo::nb_put
bool nb_put(const T &)
Definition: fifo_put_get.hh:104
tlm::tlm_fifo::nb_can_put
bool nb_can_put(tlm_tag< T > *=nullptr) const
Definition: fifo_put_get.hh:123
tlm::tlm_fifo::get
T get(tlm_tag< T > *=nullptr)
Definition: fifo_put_get.hh:46
tlm::tlm_fifo::nb_can_get
bool nb_can_get(tlm_tag< T > *=nullptr) const
Definition: fifo_put_get.hh:77
tlm::tlm_fifo::nb_get
bool nb_get(T &)
Definition: fifo_put_get.hh:61
tlm::tlm_tag
Definition: tag.hh:44
tlm
Definition: analysis_fifo.hh:27
sc_core::wait
void wait()
Definition: sc_module.cc:653
tlm::tlm_fifo::put
void put(const T &)
Definition: fifo_put_get.hh:86

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