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/*
* 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__
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