| /* |
| * Copyright (c) 2015, University of Kaiserslautern |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * 1. Redistributions of source code must retain the above copyright notice, |
| * this list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * 3. Neither the name of the copyright holder nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
| * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER |
| * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
| * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
| * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * |
| * Authors: Matthias Jung |
| */ |
| |
| #ifndef __SIM_SC_TARGET_HH__ |
| #define __SIM_SC_TARGET_HH__ |
| |
| #include <tlm_utils/peq_with_cb_and_phase.h> |
| #include <tlm_utils/simple_target_socket.h> |
| |
| #include <iostream> |
| #include <systemc> |
| #include <tlm> |
| |
| using namespace sc_core; |
| using namespace std; |
| |
| struct Target: sc_module |
| { |
| /** TLM interface socket: */ |
| tlm_utils::simple_target_socket<Target> socket; |
| |
| /** TLM related member variables: */ |
| tlm::tlm_generic_payload* transaction_in_progress; |
| sc_event target_done_event; |
| bool response_in_progress; |
| bool debug; |
| tlm::tlm_generic_payload* next_response_pending; |
| tlm::tlm_generic_payload* end_req_pending; |
| tlm_utils::peq_with_cb_and_phase<Target> m_peq; |
| |
| /** Storage, may be implemented with a map for large devices */ |
| unsigned char *mem; |
| |
| Target(sc_core::sc_module_name name, |
| bool debug, |
| unsigned long long int size, |
| unsigned int offset); |
| SC_HAS_PROCESS(Target); |
| |
| /** TLM interface functions */ |
| virtual void b_transport(tlm::tlm_generic_payload& trans, |
| sc_time& delay); |
| virtual unsigned int transport_dbg(tlm::tlm_generic_payload& trans); |
| virtual tlm::tlm_sync_enum nb_transport_fw( |
| tlm::tlm_generic_payload& trans, |
| tlm::tlm_phase& phase, |
| sc_time& delay); |
| |
| /** Callback of Payload Event Queue: */ |
| void peq_cb(tlm::tlm_generic_payload& trans, |
| const tlm::tlm_phase& phase); |
| |
| /** Helping function common to b_transport and nb_transport */ |
| void execute_transaction(tlm::tlm_generic_payload& trans); |
| |
| /** Helping functions and processes: */ |
| void send_end_req(tlm::tlm_generic_payload& trans); |
| void send_response(tlm::tlm_generic_payload& trans); |
| |
| /** Method process that runs on target_done_event */ |
| void execute_transaction_process(); |
| |
| /** Helping function that checks if a requested address is with range */ |
| void check_address(unsigned long long int addr); |
| |
| /** Helping Variables **/ |
| unsigned long long int size; |
| unsigned offset; |
| }; |
| |
| #endif //__SIM_SC_TARGET_HH__ |
| |