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
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
|
/*****************************************************************************
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.
*****************************************************************************/
//====================================================================
// Nov 06, 2008
//
// Updated by:
// Xiaopeng Qiu, JEDA Technologies, Inc
// Email: qiuxp@jedatechnologies.net
//
// To fix violations of TLM2.0 rules, which are detected by JEDA
// TLM2.0 checker.
//
//====================================================================
#ifndef __CORE_DECOUPLING_LT_INITIATOR_H__
#define __CORE_DECOUPLING_LT_INITIATOR_H__
#include "tlm.h"
#include "tlm_utils/simple_initiator_socket.h"
#include "tlm_utils/tlm_quantumkeeper.h"
//#include <systemc>
#include <cassert>
//#include <iostream>
class CoreDecouplingLTInitiator : public sc_core::sc_module
{
public:
typedef tlm::tlm_generic_payload transaction_type;
typedef tlm_utils::simple_initiator_socket<CoreDecouplingLTInitiator> initiator_socket_type;
public:
initiator_socket_type socket;
public:
SC_HAS_PROCESS(CoreDecouplingLTInitiator);
CoreDecouplingLTInitiator(sc_core::sc_module_name name,
unsigned int nrOfTransactions = 0x5,
unsigned int baseAddress = 0) :
sc_core::sc_module(name),
socket("socket"),
mNrOfTransactions(nrOfTransactions),
mBaseAddress(baseAddress),
mTransactionCount(0)
{
tlm_utils::tlm_quantumkeeper::set_global_quantum(sc_core::sc_time(500, sc_core::SC_NS));
mQuantumKeeper.reset();
// Initiator thread
SC_THREAD(run);
}
bool initTransaction(transaction_type& trans)
{
if (mTransactionCount < mNrOfTransactions) {
trans.set_address(mBaseAddress + 4*mTransactionCount);
mData = mTransactionCount;
trans.set_command(tlm::TLM_WRITE_COMMAND);
} else if (mTransactionCount < 2 * mNrOfTransactions) {
trans.set_address(mBaseAddress + 4*(mTransactionCount - mNrOfTransactions));
mData = 0;
trans.set_command(tlm::TLM_READ_COMMAND);
} else {
return false;
}
trans.set_data_ptr(reinterpret_cast<unsigned char*>(&mData));
trans.set_data_length(4);
trans.set_streaming_width(4);
trans.set_response_status(tlm::TLM_INCOMPLETE_RESPONSE);
++mTransactionCount;
return true;
}
void logStartTransation(transaction_type& trans)
{
if (trans.get_command() == tlm::TLM_WRITE_COMMAND) {
std::cout << name() << ": Send write request: A = 0x"
<< std::hex << (unsigned int)trans.get_address()
<< ", D = 0x" << mData << std::dec
<< " @ " << mQuantumKeeper.get_current_time()
<< " (" << sc_core::sc_time_stamp() << " + "
<< mQuantumKeeper.get_local_time() << ")"
<< std::endl;
} else {
std::cout << name() << ": Send read request: A = 0x"
<< std::hex << (unsigned int)trans.get_address()
<< " @ " << mQuantumKeeper.get_current_time()
<< " (" << sc_core::sc_time_stamp() << " + "
<< mQuantumKeeper.get_local_time() << ")"
<< std::endl;
}
}
void logEndTransaction(transaction_type& trans)
{
if (trans.get_response_status() != tlm::TLM_OK_RESPONSE) {
std::cout << name() << ": Received error response @ "
<< mQuantumKeeper.get_current_time()
<< " (" << sc_core::sc_time_stamp() << " + "
<< mQuantumKeeper.get_local_time() << ")"
<< std::endl;
} else {
std::cout << name() << ": Received ok response";
if (trans.get_command() == tlm::TLM_READ_COMMAND) {
std::cout << ": D = 0x" << std::hex << mData << std::dec;
}
std::cout << " @ " << mQuantumKeeper.get_current_time()
<< " (" << sc_core::sc_time_stamp() << " + "
<< mQuantumKeeper.get_local_time() << ")"
<< std::endl;
}
}
void run()
{
transaction_type trans;
while (initTransaction(trans)) {
logStartTransation(trans);
// exec instr
sc_core::sc_time t = mQuantumKeeper.get_local_time();
socket->b_transport(trans, t);
mQuantumKeeper.set(t);
// Target may have added a delay to the quantum -> sync if needed
if (mQuantumKeeper.need_sync()) {
std::cout << "Sync'ing..." << std::endl;
mQuantumKeeper.sync();
}
logEndTransaction(trans);
}
wait();
}
private:
unsigned int mNrOfTransactions;
unsigned int mBaseAddress;
unsigned int mTransactionCount;
unsigned int mData;
tlm_utils::tlm_quantumkeeper mQuantumKeeper;
};
#endif
|
