140 lines
5.5 KiB
C++
140 lines
5.5 KiB
C++
/*****************************************************************************
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Licensed to Accellera Systems Initiative Inc. (Accellera) under one or
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more contributor license agreements. See the NOTICE file distributed
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with this work for additional information regarding copyright ownership.
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Accellera licenses this file to you under the Apache License, Version 2.0
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(the "License"); you may not use this file except in compliance with the
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License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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implied. See the License for the specific language governing
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permissions and limitations under the License.
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****************************************************************************/
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/**
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* @file initiator.h
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* @brief initiator module implementation.
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* This file declares and implements the functionality of the initiator.
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* Few of the parameters of the initiator sc_module are configured by the
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* router sc_module
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* @author P V S Phaneendra, CircuitSutra Technologies <pvs@circuitsutra.com>
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* Parvinder Pal Singh, CircuitSutra Technologies <parvinder@circuitsutra.com>
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* @date 29th April, 2011 (Friday)
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*/
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#ifndef EXAMPLES_EX09_HIERARCHICAL_OVERRIDE_OF_PARAMETER_VALUES_INITIATOR_H_
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#define EXAMPLES_EX09_HIERARCHICAL_OVERRIDE_OF_PARAMETER_VALUES_INITIATOR_H_
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#include <cci_configuration>
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#include <scc/report.h>
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#include <string>
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#include <tlm>
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#include <tlm_utils/simple_initiator_socket.h>
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/**
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* @class initiator
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* @brief The implementation of the initiator module with tlm2 socket for communication
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* @return void
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*/
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SC_MODULE(initiator) {
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public:
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int data;
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tlm_utils::simple_initiator_socket<initiator, 32> initiator_socket; ///< Instance of TLM2 simple initiator socket
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/**
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* @fn initiator
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* @brief The class constructor
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* @return void
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*/
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SC_CTOR(initiator)
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: data(0)
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, initiator_socket("initiator_socket")
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, initiator_ID("initiator_ID", "initiator_default") {
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SCCINFO(SCMOD) << "[" << initiator_ID.get_value() << " C_TOR] ------- [INITIATOR CONSTRUCTOR BEGINS HERE] --------";
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// initiator's SC_THREAD declaration
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SC_THREAD(run_initiator);
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}
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/**
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* @fn void run_initiator(void)
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* @brief Main function to send transactions
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* @return void
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*/
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void run_initiator(void) {
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tlm::tlm_generic_payload* trans = new tlm::tlm_generic_payload;
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int i = 0;
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static tlm::tlm_command cmds[8] = {tlm::TLM_WRITE_COMMAND, tlm::TLM_READ_COMMAND, tlm::TLM_WRITE_COMMAND, tlm::TLM_READ_COMMAND,
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tlm::TLM_READ_COMMAND, tlm::TLM_READ_COMMAND, tlm::TLM_WRITE_COMMAND, tlm::TLM_WRITE_COMMAND};
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while(1) {
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tlm::tlm_command cmd = cmds[(i >> 2) % 8];
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// static_cast<tlm::tlm_command>(cmd_dist(rng));
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if(cmd == tlm::TLM_WRITE_COMMAND)
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data = 0xFF000000 | i;
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trans->set_command(cmd);
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trans->set_address(i);
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trans->set_data_ptr(reinterpret_cast<unsigned char*>(&data));
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trans->set_data_length(4);
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trans->set_streaming_width(4);
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trans->set_byte_enable_ptr(0);
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trans->set_dmi_allowed(false);
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trans->set_response_status(tlm::TLM_INCOMPLETE_RESPONSE);
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sc_core::sc_time delay = sc_core::sc_time(0, sc_core::SC_NS);
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if(cmd == tlm::TLM_WRITE_COMMAND) {
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SCCINFO(SCMOD) << "[Initiators Message]=>At address " << std::hex << i << " sending transaction with command = Write"
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<< ", data=" << std::hex << data << " at time " << sc_core::sc_time_stamp();
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} else {
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SCCINFO(SCMOD) << "[Initiators Message]=>At address " << std::hex << i << " sending transaction with command= Read "
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<< " at time " << sc_core::sc_time_stamp();
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}
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initiator_socket->b_transport(*trans, delay);
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if(trans->is_response_error())
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SCCERR(SCMOD) << "TLM_2" << trans->get_response_string().c_str();
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if(delay.to_double() != 0)
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wait(delay);
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if(cmd == tlm::TLM_WRITE_COMMAND) {
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SCCINFO(SCMOD) << "[Initiators Message]=>At address " << std::hex << i << " received response of Write transaction "
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<< " at time " << sc_core::sc_time_stamp();
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} else {
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SCCINFO(SCMOD) << "[Initiators Message]=>At address " << std::hex << i << " received response of Read transaction "
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<< " data " << data << " at time " << sc_core::sc_time_stamp();
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}
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SCCINFO(SCMOD) << "--------------------------------------------------------";
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wait(5.0, sc_core::SC_NS);
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i = i + 4;
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}
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}
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private:
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cci::cci_param<std::string, cci::CCI_MUTABLE_PARAM>
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initiator_ID; ///< Elab Time Param for assigning initiator ID (initialized by top_module)
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/**
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* @fn void end_of_elaboration()
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* @brief end of elaboration function to lock structural param
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* @return void
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*/
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void end_of_elaboration() { initiator_ID.lock(); }
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};
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// initiator
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#endif // EXAMPLES_EX09_HIERARCHICAL_OVERRIDE_OF_PARAMETER_VALUES_INITIATOR_H_
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