blob: 540f72de66e9770373a036ffb5fb0f702cb76aed (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
|
/*****************************************************************************
Licensed to Accellera Systems Initiative Inc. (Accellera) under one or
more contributor license agreements. See the NOTICE file distributed
with this work for additional information regarding copyright ownership.
Accellera licenses this file to you under the Apache License, Version 2.0
(the "License"); you may not use this file except in compliance with the
License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
implied. See the License for the specific language governing
permissions and limitations under the License.
*****************************************************************************/
#ifndef \
__TLM_CORE_TLM_1_TLM_REQ_RSP_TLM_CHANNELS_TLM_FIFO_TLM_FIFO_PEEK_H__
#define \
__TLM_CORE_TLM_1_TLM_REQ_RSP_TLM_CHANNELS_TLM_FIFO_TLM_FIFO_PEEK_H__
namespace tlm
{
template <typename T>
inline T
tlm_fifo<T>::peek(tlm_tag<T> *) const
{
while (is_empty()) {
// call free-standing sc_core::wait(),
// since sc_prim_channel::wait(.) is not const
sc_core::wait(m_data_written_event);
}
return buffer.read_data();
}
template <typename T>
inline bool
tlm_fifo<T>::nb_peek(T &t) const
{
if (used() < 1) {
return false;
}
t = buffer.peek_data(0);
return true;
}
template <typename T>
inline bool
tlm_fifo<T>::nb_peek(T &t, int n) const
{
if (n >= used() || n < -1) {
return false;
}
if (n == -1) {
n = used() - 1;
}
t = buffer.peek_data(n);
return true;
}
template <typename T>
inline bool
tlm_fifo<T>::nb_can_peek(tlm_tag<T> *) const
{
return !is_empty();
}
template <typename T>
inline bool
tlm_fifo<T>::nb_poke(const T &t, int n)
{
if (n >= used() || n < 0) {
return false;
}
buffer.poke_data(n) = t;
return true;
}
} // namespace tlm
#endif
/* __TLM_CORE_TLM_1_TLM_REQ_RSP_TLM_CHANNELS_TLM_FIFO_TLM_FIFO_PEEK_H__ */
|