gem5  v22.1.0.0
SimpleLTInitiator2.h
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1 /*****************************************************************************
2 
3  Licensed to Accellera Systems Initiative Inc. (Accellera) under one or
4  more contributor license agreements. See the NOTICE file distributed
5  with this work for additional information regarding copyright ownership.
6  Accellera licenses this file to you under the Apache License, Version 2.0
7  (the "License"); you may not use this file except in compliance with the
8  License. You may obtain a copy of the License at
9 
10  http://www.apache.org/licenses/LICENSE-2.0
11 
12  Unless required by applicable law or agreed to in writing, software
13  distributed under the License is distributed on an "AS IS" BASIS,
14  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
15  implied. See the License for the specific language governing
16  permissions and limitations under the License.
17 
18  *****************************************************************************/
19 
20 //====================================================================
21 // Nov 06, 2008
22 //
23 // Updated by:
24 // Xiaopeng Qiu, JEDA Technologies, Inc
25 // Email: qiuxp@jedatechnologies.net
26 //
27 // To fix violations of TLM2.0 rules, which are detected by JEDA
28 // TLM2.0 checker.
29 //
30 //====================================================================
31 
32 #ifndef __SIMPLE_LT_INITIATOR2_H__
33 #define __SIMPLE_LT_INITIATOR2_H__
34 
35 #include "tlm.h"
36 #include "tlm_utils/simple_initiator_socket.h"
37 //#include <systemc>
38 #include <cassert>
39 //#include <iostream>
40 
42 {
43 public:
48 
49 public:
51 
52 public:
55  unsigned int nrOfTransactions = 0x5,
56  unsigned int baseAddress = 0x0) :
58  socket("socket"),
59  mNrOfTransactions(nrOfTransactions),
60  mBaseAddress(baseAddress),
62  {
63  // Initiator thread
64  SC_THREAD(run);
65  }
66 
68  {
73 
74  } else if (mTransactionCount < 2 * mNrOfTransactions) {
76  mData = 0;
78 
79  } else {
80  return false;
81  }
82 
83  trans.set_data_ptr(reinterpret_cast<unsigned char*>(&mData));
84  trans.set_data_length(4);
85  trans.set_streaming_width(4);
86  trans.set_dmi_allowed(false);
88 
90  return true;
91  }
92 
94  {
95  if (trans.get_command() == tlm::TLM_WRITE_COMMAND) {
96  std::cout << name() << ": Send write request: A = 0x"
97  << std::hex << (unsigned int)trans.get_address()
98  << ", D = 0x" << mData << std::dec
99  << " @ " << sc_core::sc_time_stamp() << std::endl;
100 
101  } else {
102  std::cout << name() << ": Send read request: A = 0x"
103  << std::hex << (unsigned int)trans.get_address() << std::dec
104  << " @ " << sc_core::sc_time_stamp() << std::endl;
105  }
106  }
107 
109  {
110  if (trans.get_response_status() != tlm::TLM_OK_RESPONSE) {
111  std::cout << name() << ": Received error response @ "
112  << sc_core::sc_time_stamp() << std::endl;
113 
114  } else {
115  std::cout << name() << ": Received ok response";
116  if (trans.get_command() == tlm::TLM_READ_COMMAND) {
117  std::cout << ": D = 0x" << std::hex << mData << std::dec;
118  }
119  std::cout << " @ " << sc_core::sc_time_stamp() << std::endl;
120  }
121  }
122 
123  void run()
124  {
125  transaction_type trans;
127 
128  while (initTransaction(trans)) {
129  // Create transaction and initialise t
131 
132  logStartTransation(trans);
133 
134  socket->b_transport(trans, t);
135  wait(t);
136 
137  logEndTransaction(trans);
138  }
139  wait();
140 
141  }
142 
143 private:
145  unsigned int mNrOfTransactions;
146  unsigned int mBaseAddress;
147  unsigned int mTransactionCount;
148  unsigned int mData;
149 };
150 
151 #endif
sc_core::sc_event mEndEvent
tlm::tlm_sync_enum sync_enum_type
tlm_utils::simple_initiator_socket< SimpleLTInitiator2 > initiator_socket_type
void logStartTransation(transaction_type &trans)
bool initTransaction(transaction_type &trans)
unsigned int mNrOfTransactions
SC_HAS_PROCESS(SimpleLTInitiator2)
tlm::tlm_generic_payload transaction_type
SimpleLTInitiator2(sc_core::sc_module_name name, unsigned int nrOfTransactions=0x5, unsigned int baseAddress=0x0)
void logEndTransaction(transaction_type &trans)
unsigned int mTransactionCount
initiator_socket_type socket
tlm::tlm_phase phase_type
const char * name() const
Definition: sc_object.cc:44
void set_data_ptr(unsigned char *data)
Definition: gp.hh:189
void set_dmi_allowed(bool dmi_allowed)
Definition: gp.hh:239
void set_response_status(const tlm_response_status response_status)
Definition: gp.hh:204
void set_address(const sc_dt::uint64 address)
Definition: gp.hh:185
void set_command(const tlm_command command)
Definition: gp.hh:181
sc_dt::uint64 get_address() const
Definition: gp.hh:184
tlm_response_status get_response_status() const
Definition: gp.hh:199
void set_data_length(const unsigned int length)
Definition: gp.hh:193
tlm_command get_command() const
Definition: gp.hh:180
void set_streaming_width(const unsigned int streaming_width)
Definition: gp.hh:213
Bitfield< 51 > t
Definition: pagetable.hh:56
const sc_time SC_ZERO_TIME
Definition: sc_time.cc:290
const sc_time & sc_time_stamp()
Definition: sc_main.cc:127
@ TLM_READ_COMMAND
Definition: gp.hh:84
@ TLM_WRITE_COMMAND
Definition: gp.hh:85
@ TLM_OK_RESPONSE
Definition: gp.hh:91
@ TLM_INCOMPLETE_RESPONSE
Definition: gp.hh:92
tlm_sync_enum
Definition: fw_bw_ifs.hh:31
#define SC_THREAD(name)
Definition: sc_module.hh:313

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