112863Sgabeblack@google.com/* 212863Sgabeblack@google.com * Copyright 2018 Google, Inc. 312863Sgabeblack@google.com * 412863Sgabeblack@google.com * Redistribution and use in source and binary forms, with or without 512863Sgabeblack@google.com * modification, are permitted provided that the following conditions are 612863Sgabeblack@google.com * met: redistributions of source code must retain the above copyright 712863Sgabeblack@google.com * notice, this list of conditions and the following disclaimer; 812863Sgabeblack@google.com * redistributions in binary form must reproduce the above copyright 912863Sgabeblack@google.com * notice, this list of conditions and the following disclaimer in the 1012863Sgabeblack@google.com * documentation and/or other materials provided with the distribution; 1112863Sgabeblack@google.com * neither the name of the copyright holders nor the names of its 1212863Sgabeblack@google.com * contributors may be used to endorse or promote products derived from 1312863Sgabeblack@google.com * this software without specific prior written permission. 1412863Sgabeblack@google.com * 1512863Sgabeblack@google.com * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 1612863Sgabeblack@google.com * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 1712863Sgabeblack@google.com * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 1812863Sgabeblack@google.com * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 1912863Sgabeblack@google.com * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 2012863Sgabeblack@google.com * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 2112863Sgabeblack@google.com * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 2212863Sgabeblack@google.com * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 2312863Sgabeblack@google.com * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 2412863Sgabeblack@google.com * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 2512863Sgabeblack@google.com * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2612863Sgabeblack@google.com * 2712863Sgabeblack@google.com * Authors: Gabe Black 2812863Sgabeblack@google.com */ 2912863Sgabeblack@google.com 3012863Sgabeblack@google.com#include "systemc/core/module.hh" 3112863Sgabeblack@google.com 3212950Sgabeblack@google.com#include <cassert> 3312863Sgabeblack@google.com 3412863Sgabeblack@google.com#include "base/logging.hh" 3513317Sgabeblack@google.com#include "systemc/ext/core/messages.hh" 3613191Sgabeblack@google.com#include "systemc/ext/core/sc_export.hh" 3713091Sgabeblack@google.com#include "systemc/ext/core/sc_port.hh" 3813079Sgabeblack@google.com#include "systemc/ext/utils/sc_report_handler.hh" 3912863Sgabeblack@google.com 4012950Sgabeblack@google.comnamespace sc_gem5 4112863Sgabeblack@google.com{ 4212863Sgabeblack@google.com 4312863Sgabeblack@google.comnamespace 4412863Sgabeblack@google.com{ 4512863Sgabeblack@google.com 4612863Sgabeblack@google.comstd::list<Module *> _modules; 4712950Sgabeblack@google.comModule *_new_module; 4812863Sgabeblack@google.com 4912863Sgabeblack@google.com} // anonymous namespace 5012863Sgabeblack@google.com 5113303Sgabeblack@google.comUniqueNameGen globalNameGen; 5213303Sgabeblack@google.com 5313191Sgabeblack@google.comModule::Module(const char *name) : 5413191Sgabeblack@google.com _name(name), _sc_mod(nullptr), _obj(nullptr), _ended(false), 5513291Sgabeblack@google.com _deprecatedConstructor(false), bindingIndex(0) 5612950Sgabeblack@google.com{ 5712950Sgabeblack@google.com panic_if(_new_module, "Previous module not finished.\n"); 5812950Sgabeblack@google.com _new_module = this; 5912950Sgabeblack@google.com} 6012950Sgabeblack@google.com 6113079Sgabeblack@google.comModule::~Module() 6213079Sgabeblack@google.com{ 6313268Sgabeblack@google.com // Aborted module construction? 6413268Sgabeblack@google.com if (_new_module == this) 6513079Sgabeblack@google.com _new_module = nullptr; 6613268Sgabeblack@google.com 6713268Sgabeblack@google.com // Attempt to pop now in case we're at the top of the stack, so that 6813268Sgabeblack@google.com // a stale pointer to us isn't left floating around for somebody to trip 6913268Sgabeblack@google.com // on. 7013268Sgabeblack@google.com pop(); 7113268Sgabeblack@google.com 7213079Sgabeblack@google.com allModules.remove(this); 7313079Sgabeblack@google.com} 7412982Sgabeblack@google.com 7512863Sgabeblack@google.comvoid 7612950Sgabeblack@google.comModule::finish(Object *this_obj) 7712863Sgabeblack@google.com{ 7812950Sgabeblack@google.com assert(!_obj); 7912950Sgabeblack@google.com _obj = this_obj; 8012863Sgabeblack@google.com _modules.push_back(this); 8113268Sgabeblack@google.com pushParentModule(this); 8213268Sgabeblack@google.com try { 8313268Sgabeblack@google.com _new_module = nullptr; 8413268Sgabeblack@google.com // This is called from the constructor of this_obj, so it can't use 8513268Sgabeblack@google.com // dynamic cast. 8613268Sgabeblack@google.com sc_mod(static_cast<::sc_core::sc_module *>(this_obj->sc_obj())); 8713268Sgabeblack@google.com allModules.emplace_back(this); 8813268Sgabeblack@google.com } catch (...) { 8913268Sgabeblack@google.com popParentModule(); 9013268Sgabeblack@google.com throw; 9113268Sgabeblack@google.com } 9212863Sgabeblack@google.com} 9312863Sgabeblack@google.com 9412863Sgabeblack@google.comvoid 9512863Sgabeblack@google.comModule::pop() 9612863Sgabeblack@google.com{ 9713268Sgabeblack@google.com if (_modules.empty() || _modules.back() != this) 9813268Sgabeblack@google.com return; 9913268Sgabeblack@google.com 10012950Sgabeblack@google.com panic_if(_new_module, "Pop with unfinished module.\n"); 10113268Sgabeblack@google.com 10212950Sgabeblack@google.com _modules.pop_back(); 10313268Sgabeblack@google.com popParentModule(); 10412863Sgabeblack@google.com} 10512863Sgabeblack@google.com 10613091Sgabeblack@google.comvoid 10713091Sgabeblack@google.comModule::bindPorts(std::vector<const ::sc_core::sc_bind_proxy *> &proxies) 10813091Sgabeblack@google.com{ 10913091Sgabeblack@google.com panic_if(proxies.size() > ports.size(), 11013091Sgabeblack@google.com "Trying to bind %d interfaces/ports to %d ports.\n", 11113091Sgabeblack@google.com proxies.size(), ports.size()); 11213091Sgabeblack@google.com 11313091Sgabeblack@google.com auto proxyIt = proxies.begin(); 11413091Sgabeblack@google.com auto portIt = ports.begin(); 11513291Sgabeblack@google.com portIt += bindingIndex; 11613091Sgabeblack@google.com for (; proxyIt != proxies.end(); proxyIt++, portIt++) { 11713091Sgabeblack@google.com auto proxy = *proxyIt; 11813091Sgabeblack@google.com auto port = *portIt; 11913091Sgabeblack@google.com if (proxy->interface()) 12013091Sgabeblack@google.com port->vbind(*proxy->interface()); 12113091Sgabeblack@google.com else 12213091Sgabeblack@google.com port->vbind(*proxy->port()); 12313091Sgabeblack@google.com } 12413291Sgabeblack@google.com bindingIndex += proxies.size(); 12513091Sgabeblack@google.com} 12613091Sgabeblack@google.com 12713191Sgabeblack@google.comvoid 12813191Sgabeblack@google.comModule::beforeEndOfElaboration() 12913191Sgabeblack@google.com{ 13013268Sgabeblack@google.com pushParentModule(this); 13113268Sgabeblack@google.com try { 13213268Sgabeblack@google.com _sc_mod->before_end_of_elaboration(); 13313268Sgabeblack@google.com for (auto e: exports) 13413268Sgabeblack@google.com e->before_end_of_elaboration(); 13513268Sgabeblack@google.com } catch (...) { 13613268Sgabeblack@google.com popParentModule(); 13713268Sgabeblack@google.com throw; 13813268Sgabeblack@google.com } 13913268Sgabeblack@google.com popParentModule(); 14013191Sgabeblack@google.com} 14113191Sgabeblack@google.com 14213191Sgabeblack@google.comvoid 14313191Sgabeblack@google.comModule::endOfElaboration() 14413191Sgabeblack@google.com{ 14513191Sgabeblack@google.com if (_deprecatedConstructor && !_ended) { 14613191Sgabeblack@google.com std::string msg = csprintf("module '%s'", name()); 14713317Sgabeblack@google.com SC_REPORT_WARNING(sc_core::SC_ID_END_MODULE_NOT_CALLED_, msg.c_str()); 14813191Sgabeblack@google.com } 14913268Sgabeblack@google.com pushParentModule(this); 15013268Sgabeblack@google.com try { 15113268Sgabeblack@google.com _sc_mod->end_of_elaboration(); 15213268Sgabeblack@google.com for (auto e: exports) 15313268Sgabeblack@google.com e->end_of_elaboration(); 15413268Sgabeblack@google.com } catch (...) { 15513268Sgabeblack@google.com popParentModule(); 15613268Sgabeblack@google.com throw; 15713268Sgabeblack@google.com } 15813268Sgabeblack@google.com popParentModule(); 15913191Sgabeblack@google.com} 16013191Sgabeblack@google.com 16113191Sgabeblack@google.comvoid 16213191Sgabeblack@google.comModule::startOfSimulation() 16313191Sgabeblack@google.com{ 16413268Sgabeblack@google.com pushParentModule(this); 16513268Sgabeblack@google.com try { 16613268Sgabeblack@google.com _sc_mod->start_of_simulation(); 16713268Sgabeblack@google.com for (auto e: exports) 16813268Sgabeblack@google.com e->start_of_simulation(); 16913268Sgabeblack@google.com } catch (...) { 17013268Sgabeblack@google.com popParentModule(); 17113268Sgabeblack@google.com throw; 17213268Sgabeblack@google.com } 17313268Sgabeblack@google.com popParentModule(); 17413191Sgabeblack@google.com} 17513191Sgabeblack@google.com 17613191Sgabeblack@google.comvoid 17713191Sgabeblack@google.comModule::endOfSimulation() 17813191Sgabeblack@google.com{ 17913268Sgabeblack@google.com pushParentModule(this); 18013268Sgabeblack@google.com try { 18113268Sgabeblack@google.com _sc_mod->end_of_simulation(); 18213268Sgabeblack@google.com for (auto e: exports) 18313268Sgabeblack@google.com e->end_of_simulation(); 18413268Sgabeblack@google.com } catch(...) { 18513268Sgabeblack@google.com popParentModule(); 18613268Sgabeblack@google.com throw; 18713268Sgabeblack@google.com } 18813268Sgabeblack@google.com popParentModule(); 18913191Sgabeblack@google.com} 19013191Sgabeblack@google.com 19112863Sgabeblack@google.comModule * 19212950Sgabeblack@google.comcurrentModule() 19312863Sgabeblack@google.com{ 19412950Sgabeblack@google.com if (_modules.empty()) 19512950Sgabeblack@google.com return nullptr; 19612950Sgabeblack@google.com return _modules.back(); 19712863Sgabeblack@google.com} 19812863Sgabeblack@google.com 19912950Sgabeblack@google.comModule * 20013079Sgabeblack@google.comnewModuleChecked() 20113079Sgabeblack@google.com{ 20213317Sgabeblack@google.com if (!_new_module) 20313317Sgabeblack@google.com SC_REPORT_ERROR(sc_core::SC_ID_MODULE_NAME_STACK_EMPTY_, ""); 20413079Sgabeblack@google.com return _new_module; 20513079Sgabeblack@google.com} 20613079Sgabeblack@google.com 20713079Sgabeblack@google.comModule * 20812950Sgabeblack@google.comnewModule() 20912950Sgabeblack@google.com{ 21012950Sgabeblack@google.com return _new_module; 21112950Sgabeblack@google.com} 21212950Sgabeblack@google.com 21313046Sgabeblack@google.comstd::list<Module *> allModules; 21412982Sgabeblack@google.com 21512950Sgabeblack@google.com} // namespace sc_gem5 216