sc_port.cc revision 13332
112837Sgabeblack@google.com/* 212837Sgabeblack@google.com * Copyright 2018 Google, Inc. 312837Sgabeblack@google.com * 412837Sgabeblack@google.com * Redistribution and use in source and binary forms, with or without 512837Sgabeblack@google.com * modification, are permitted provided that the following conditions are 612837Sgabeblack@google.com * met: redistributions of source code must retain the above copyright 712837Sgabeblack@google.com * notice, this list of conditions and the following disclaimer; 812837Sgabeblack@google.com * redistributions in binary form must reproduce the above copyright 912837Sgabeblack@google.com * notice, this list of conditions and the following disclaimer in the 1012837Sgabeblack@google.com * documentation and/or other materials provided with the distribution; 1112837Sgabeblack@google.com * neither the name of the copyright holders nor the names of its 1212837Sgabeblack@google.com * contributors may be used to endorse or promote products derived from 1312837Sgabeblack@google.com * this software without specific prior written permission. 1412837Sgabeblack@google.com * 1512837Sgabeblack@google.com * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 1612837Sgabeblack@google.com * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 1712837Sgabeblack@google.com * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 1812837Sgabeblack@google.com * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 1912837Sgabeblack@google.com * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 2012837Sgabeblack@google.com * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 2112837Sgabeblack@google.com * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 2212837Sgabeblack@google.com * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 2312837Sgabeblack@google.com * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 2412837Sgabeblack@google.com * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 2512837Sgabeblack@google.com * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2612837Sgabeblack@google.com * 2712837Sgabeblack@google.com * Authors: Gabe Black 2812837Sgabeblack@google.com */ 2912837Sgabeblack@google.com 3013290Sgabeblack@google.com#include <sstream> 3113290Sgabeblack@google.com 3213332Sgabeblack@google.com#include "base/cprintf.hh" 3313053Sgabeblack@google.com#include "systemc/core/module.hh" 3413207Sgabeblack@google.com#include "systemc/core/port.hh" 3513203Sgabeblack@google.com#include "systemc/core/scheduler.hh" 3613324Sgabeblack@google.com#include "systemc/ext/channel/messages.hh" 3713203Sgabeblack@google.com#include "systemc/ext/core/sc_main.hh" 3812837Sgabeblack@google.com#include "systemc/ext/core/sc_port.hh" 3912837Sgabeblack@google.com 4012837Sgabeblack@google.comnamespace sc_core 4112837Sgabeblack@google.com{ 4212837Sgabeblack@google.com 4313203Sgabeblack@google.comnamespace 4413203Sgabeblack@google.com{ 4513203Sgabeblack@google.com 4613203Sgabeblack@google.comvoid 4713203Sgabeblack@google.comreportError(const char *id, const char *add_msg, 4813203Sgabeblack@google.com const char *name, const char *kind) 4913203Sgabeblack@google.com{ 5013203Sgabeblack@google.com std::string msg; 5113203Sgabeblack@google.com if (add_msg) 5213203Sgabeblack@google.com msg = csprintf("%s: port '%s' (%s)", add_msg, name, kind); 5313203Sgabeblack@google.com else 5413203Sgabeblack@google.com msg = csprintf("port '%s' (%s)", name, kind); 5513203Sgabeblack@google.com 5613203Sgabeblack@google.com SC_REPORT_ERROR(id, msg.c_str()); 5713203Sgabeblack@google.com} 5813203Sgabeblack@google.com 5913203Sgabeblack@google.com} 6013203Sgabeblack@google.com 6113238Sgabeblack@google.comsc_port_base::sc_port_base(const char *n, int max_size, sc_port_policy p) : 6213283Sgabeblack@google.com sc_object(n), _gem5Port(nullptr) 6313053Sgabeblack@google.com{ 6413203Sgabeblack@google.com if (sc_is_running()) { 6513324Sgabeblack@google.com reportError(SC_ID_INSERT_PORT_, "simulation running", 6613238Sgabeblack@google.com name(), kind()); 6713203Sgabeblack@google.com } 6813203Sgabeblack@google.com if (::sc_gem5::scheduler.elaborationDone()) { 6913324Sgabeblack@google.com reportError(SC_ID_INSERT_PORT_, "elaboration done", 7013238Sgabeblack@google.com name(), kind()); 7113203Sgabeblack@google.com } 7213203Sgabeblack@google.com 7313268Sgabeblack@google.com auto m = sc_gem5::pickParentModule(); 7413324Sgabeblack@google.com if (!m) 7513324Sgabeblack@google.com reportError(SC_ID_PORT_OUTSIDE_MODULE_, nullptr, name(), kind()); 7613324Sgabeblack@google.com else 7713203Sgabeblack@google.com m->ports.push_back(this); 7813283Sgabeblack@google.com _gem5Port = new ::sc_gem5::Port(this, max_size); 7913053Sgabeblack@google.com} 8012957Sgabeblack@google.com 8113207Sgabeblack@google.comsc_port_base::~sc_port_base() 8213207Sgabeblack@google.com{ 8313207Sgabeblack@google.com delete _gem5Port; 8413207Sgabeblack@google.com} 8513207Sgabeblack@google.com 8612837Sgabeblack@google.comvoid 8713332Sgabeblack@google.comsc_port_base::warn_port_constructor() const 8812837Sgabeblack@google.com{ 8913332Sgabeblack@google.com static bool warned = false; 9013332Sgabeblack@google.com if (!warned) { 9113332Sgabeblack@google.com SC_REPORT_INFO(SC_ID_IEEE_1666_DEPRECATION_, 9213332Sgabeblack@google.com "interface and/or port binding in port constructors " 9313332Sgabeblack@google.com "is deprecated"); 9413332Sgabeblack@google.com warned = true; 9513332Sgabeblack@google.com } 9612837Sgabeblack@google.com} 9712837Sgabeblack@google.com 9813290Sgabeblack@google.comvoid 9913290Sgabeblack@google.comsc_port_base::report_error(const char *id, const char *add_msg) const 10013290Sgabeblack@google.com{ 10113290Sgabeblack@google.com std::ostringstream ss; 10213290Sgabeblack@google.com if (add_msg) 10313290Sgabeblack@google.com ss << add_msg << ": "; 10413290Sgabeblack@google.com ss << "port '" << name() << "' (" << kind() << ")"; 10513290Sgabeblack@google.com SC_REPORT_ERROR(id, ss.str().c_str()); 10613290Sgabeblack@google.com} 10713290Sgabeblack@google.com 10813207Sgabeblack@google.comint sc_port_base::maxSize() const { return _gem5Port->maxSize(); } 10913207Sgabeblack@google.comint sc_port_base::size() const { return _gem5Port->size(); } 11012957Sgabeblack@google.com 11113207Sgabeblack@google.comvoid sc_port_base::bind(sc_interface &i) { _gem5Port->bind(&i); } 11213207Sgabeblack@google.comvoid sc_port_base::bind(sc_port_base &p) { _gem5Port->bind(&p); } 11312938Sgabeblack@google.com 11412837Sgabeblack@google.com} // namespace sc_core 115