object.cc revision 13161
112950Sgabeblack@google.com/* 212950Sgabeblack@google.com * Copyright 2018 Google, Inc. 312950Sgabeblack@google.com * 412950Sgabeblack@google.com * Redistribution and use in source and binary forms, with or without 512950Sgabeblack@google.com * modification, are permitted provided that the following conditions are 612950Sgabeblack@google.com * met: redistributions of source code must retain the above copyright 712950Sgabeblack@google.com * notice, this list of conditions and the following disclaimer; 812950Sgabeblack@google.com * redistributions in binary form must reproduce the above copyright 912950Sgabeblack@google.com * notice, this list of conditions and the following disclaimer in the 1012950Sgabeblack@google.com * documentation and/or other materials provided with the distribution; 1112950Sgabeblack@google.com * neither the name of the copyright holders nor the names of its 1212950Sgabeblack@google.com * contributors may be used to endorse or promote products derived from 1312950Sgabeblack@google.com * this software without specific prior written permission. 1412950Sgabeblack@google.com * 1512950Sgabeblack@google.com * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 1612950Sgabeblack@google.com * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 1712950Sgabeblack@google.com * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 1812950Sgabeblack@google.com * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 1912950Sgabeblack@google.com * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 2012950Sgabeblack@google.com * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 2112950Sgabeblack@google.com * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 2212950Sgabeblack@google.com * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 2312950Sgabeblack@google.com * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 2412950Sgabeblack@google.com * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 2512950Sgabeblack@google.com * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2612950Sgabeblack@google.com * 2712950Sgabeblack@google.com * Authors: Gabe Black 2812950Sgabeblack@google.com */ 2912950Sgabeblack@google.com 3012950Sgabeblack@google.com#include "systemc/core/object.hh" 3112950Sgabeblack@google.com 3212988Sgabeblack@google.com#include <algorithm> 3312988Sgabeblack@google.com 3412950Sgabeblack@google.com#include "base/logging.hh" 3513127Sgabeblack@google.com#include "systemc/core/event.hh" 3612950Sgabeblack@google.com#include "systemc/core/module.hh" 3712953Sgabeblack@google.com#include "systemc/core/scheduler.hh" 3813161Sgabeblack@google.com#include "systemc/ext/core/sc_module.hh" 3912950Sgabeblack@google.com 4012950Sgabeblack@google.comnamespace sc_gem5 4112950Sgabeblack@google.com{ 4212950Sgabeblack@google.com 4312950Sgabeblack@google.comnamespace 4412950Sgabeblack@google.com{ 4512950Sgabeblack@google.com 4612950Sgabeblack@google.comObjectsIt 4712950Sgabeblack@google.comfindObjectIn(Objects &objects, const std::string &name) 4812950Sgabeblack@google.com{ 4912950Sgabeblack@google.com ObjectsIt it; 5012950Sgabeblack@google.com for (it = objects.begin(); it != objects.end(); it++) 5112950Sgabeblack@google.com if (!strcmp((*it)->name(), name.c_str())) 5212950Sgabeblack@google.com break; 5312950Sgabeblack@google.com 5412950Sgabeblack@google.com return it; 5512950Sgabeblack@google.com} 5612950Sgabeblack@google.com 5712950Sgabeblack@google.comvoid 5812950Sgabeblack@google.comaddObject(Objects *objects, sc_core::sc_object *object) 5912950Sgabeblack@google.com{ 6012950Sgabeblack@google.com objects->emplace(objects->end(), object); 6112950Sgabeblack@google.com} 6212950Sgabeblack@google.com 6312950Sgabeblack@google.comvoid 6412950Sgabeblack@google.compopObject(Objects *objects, const std::string &name) 6512950Sgabeblack@google.com{ 6612950Sgabeblack@google.com ObjectsIt it = findObjectIn(*objects, name); 6712950Sgabeblack@google.com assert(it != objects->end()); 6812950Sgabeblack@google.com std::swap(objects->back(), *it); 6912950Sgabeblack@google.com objects->pop_back(); 7012950Sgabeblack@google.com} 7112950Sgabeblack@google.com 7213127Sgabeblack@google.combool 7313127Sgabeblack@google.comnameIsUnique(Objects *objects, Events *events, const std::string &name) 7413127Sgabeblack@google.com{ 7513127Sgabeblack@google.com for (auto obj: *objects) 7613127Sgabeblack@google.com if (!strcmp(obj->basename(), name.c_str())) 7713127Sgabeblack@google.com return false; 7813127Sgabeblack@google.com for (auto event: *events) 7913127Sgabeblack@google.com if (!strcmp(event->basename(), name.c_str())) 8013127Sgabeblack@google.com return false; 8113127Sgabeblack@google.com return true; 8213127Sgabeblack@google.com} 8313127Sgabeblack@google.com 8412950Sgabeblack@google.com} // anonymous namespace 8512950Sgabeblack@google.com 8613161Sgabeblack@google.comObject::Object(sc_core::sc_object *_sc_obj) : Object(_sc_obj, nullptr) {} 8712950Sgabeblack@google.com 8812955Sgabeblack@google.comObject::Object(sc_core::sc_object *_sc_obj, const char *obj_name) : 8913085Sgabeblack@google.com _sc_obj(_sc_obj), _basename(obj_name ? obj_name : ""), parent(nullptr) 9012950Sgabeblack@google.com{ 9112950Sgabeblack@google.com if (_basename == "") 9213161Sgabeblack@google.com _basename = ::sc_core::sc_gen_unique_name("object"); 9312950Sgabeblack@google.com 9412950Sgabeblack@google.com Module *p = currentModule(); 9513045Sgabeblack@google.com if (!p) 9613045Sgabeblack@google.com p = callbackModule(); 9712950Sgabeblack@google.com 9812950Sgabeblack@google.com Module *n = newModule(); 9912950Sgabeblack@google.com if (n) { 10012950Sgabeblack@google.com // We are a module in the process of being constructed. 10112950Sgabeblack@google.com n->finish(this); 10212950Sgabeblack@google.com } 10312950Sgabeblack@google.com 10412950Sgabeblack@google.com if (p) { 10512950Sgabeblack@google.com // We're "within" a parent module, ie we're being created while its 10613045Sgabeblack@google.com // constructor or end_of_elaboration callback is running. 10712955Sgabeblack@google.com parent = p->obj()->_sc_obj; 10812953Sgabeblack@google.com } else if (scheduler.current()) { 10912953Sgabeblack@google.com // Our parent is the currently running process. 11012953Sgabeblack@google.com parent = scheduler.current(); 11113126Sgabeblack@google.com } 11213127Sgabeblack@google.com 11313127Sgabeblack@google.com sc_gem5::pickUniqueName(parent, _basename); 11413127Sgabeblack@google.com 11513127Sgabeblack@google.com if (parent) 11613126Sgabeblack@google.com addObject(&parent->_gem5_object->children, _sc_obj); 11713127Sgabeblack@google.com else 11812955Sgabeblack@google.com addObject(&topLevelObjects, _sc_obj); 11912950Sgabeblack@google.com 12012955Sgabeblack@google.com addObject(&allObjects, _sc_obj); 12112950Sgabeblack@google.com 12212950Sgabeblack@google.com _name = _basename; 12312950Sgabeblack@google.com sc_core::sc_object *sc_p = parent; 12412950Sgabeblack@google.com while (sc_p) { 12512950Sgabeblack@google.com _name = std::string(sc_p->basename()) + std::string(".") + _name; 12612952Sgabeblack@google.com sc_p = sc_p->get_parent_object(); 12712950Sgabeblack@google.com } 12812950Sgabeblack@google.com} 12912950Sgabeblack@google.com 13012955Sgabeblack@google.comObject::Object(sc_core::sc_object *_sc_obj, const Object &arg) : 13112955Sgabeblack@google.com Object(_sc_obj, arg._basename.c_str()) 13212950Sgabeblack@google.com{} 13312950Sgabeblack@google.com 13412950Sgabeblack@google.comObject & 13512950Sgabeblack@google.comObject::operator = (const Object &) 13612950Sgabeblack@google.com{ 13712950Sgabeblack@google.com return *this; 13812950Sgabeblack@google.com} 13912950Sgabeblack@google.com 14012950Sgabeblack@google.comObject::~Object() 14112950Sgabeblack@google.com{ 14212984Sgabeblack@google.com // Promote all children to be top level objects. 14312984Sgabeblack@google.com for (auto child: children) { 14412984Sgabeblack@google.com addObject(&topLevelObjects, child); 14512984Sgabeblack@google.com child->_gem5_object->parent = nullptr; 14612984Sgabeblack@google.com } 14712984Sgabeblack@google.com children.clear(); 14812950Sgabeblack@google.com 14912950Sgabeblack@google.com if (parent) 15012950Sgabeblack@google.com popObject(&parent->_gem5_object->children, _name); 15112950Sgabeblack@google.com else 15212950Sgabeblack@google.com popObject(&topLevelObjects, _name); 15312950Sgabeblack@google.com popObject(&allObjects, _name); 15412950Sgabeblack@google.com} 15512950Sgabeblack@google.com 15612950Sgabeblack@google.comconst char * 15712950Sgabeblack@google.comObject::name() const 15812950Sgabeblack@google.com{ 15912950Sgabeblack@google.com return _name.c_str(); 16012950Sgabeblack@google.com} 16112950Sgabeblack@google.com 16212950Sgabeblack@google.comconst char * 16312950Sgabeblack@google.comObject::basename() const 16412950Sgabeblack@google.com{ 16512950Sgabeblack@google.com return _basename.c_str(); 16612950Sgabeblack@google.com} 16712950Sgabeblack@google.com 16812950Sgabeblack@google.comvoid 16912950Sgabeblack@google.comObject::print(std::ostream &out) const 17012950Sgabeblack@google.com{ 17112950Sgabeblack@google.com out << name(); 17212950Sgabeblack@google.com} 17312950Sgabeblack@google.com 17412950Sgabeblack@google.comvoid 17512950Sgabeblack@google.comObject::dump(std::ostream &out) const 17612950Sgabeblack@google.com{ 17712950Sgabeblack@google.com out << "name = " << name() << "\n"; 17812955Sgabeblack@google.com out << "kind = " << _sc_obj->kind() << "\n"; 17912950Sgabeblack@google.com} 18012950Sgabeblack@google.com 18112950Sgabeblack@google.comconst std::vector<sc_core::sc_object *> & 18212950Sgabeblack@google.comObject::get_child_objects() const 18312950Sgabeblack@google.com{ 18412950Sgabeblack@google.com return children; 18512950Sgabeblack@google.com} 18612950Sgabeblack@google.com 18712950Sgabeblack@google.comconst std::vector<sc_core::sc_event *> & 18812950Sgabeblack@google.comObject::get_child_events() const 18912950Sgabeblack@google.com{ 19012950Sgabeblack@google.com return events; 19112950Sgabeblack@google.com} 19212950Sgabeblack@google.com 19312950Sgabeblack@google.comsc_core::sc_object *Object::get_parent_object() const 19412950Sgabeblack@google.com{ 19512950Sgabeblack@google.com return parent; 19612950Sgabeblack@google.com} 19712950Sgabeblack@google.com 19812950Sgabeblack@google.combool 19912950Sgabeblack@google.comObject::add_attribute(sc_core::sc_attr_base &attr) 20012950Sgabeblack@google.com{ 20112950Sgabeblack@google.com return cltn.push_back(&attr); 20212950Sgabeblack@google.com} 20312950Sgabeblack@google.com 20412950Sgabeblack@google.comsc_core::sc_attr_base * 20512950Sgabeblack@google.comObject::get_attribute(const std::string &attr) 20612950Sgabeblack@google.com{ 20712950Sgabeblack@google.com return cltn[attr]; 20812950Sgabeblack@google.com} 20912950Sgabeblack@google.com 21012950Sgabeblack@google.comsc_core::sc_attr_base * 21112950Sgabeblack@google.comObject::remove_attribute(const std::string &attr) 21212950Sgabeblack@google.com{ 21312950Sgabeblack@google.com return cltn.remove(attr); 21412950Sgabeblack@google.com} 21512950Sgabeblack@google.com 21612950Sgabeblack@google.comvoid 21712950Sgabeblack@google.comObject::remove_all_attributes() 21812950Sgabeblack@google.com{ 21912950Sgabeblack@google.com cltn.remove_all(); 22012950Sgabeblack@google.com} 22112950Sgabeblack@google.com 22212950Sgabeblack@google.comint 22312950Sgabeblack@google.comObject::num_attributes() const 22412950Sgabeblack@google.com{ 22512950Sgabeblack@google.com return cltn.size(); 22612950Sgabeblack@google.com} 22712950Sgabeblack@google.com 22812950Sgabeblack@google.comsc_core::sc_attr_cltn & 22912950Sgabeblack@google.comObject::attr_cltn() 23012950Sgabeblack@google.com{ 23112950Sgabeblack@google.com return cltn; 23212950Sgabeblack@google.com} 23312950Sgabeblack@google.com 23412950Sgabeblack@google.comconst sc_core::sc_attr_cltn & 23512950Sgabeblack@google.comObject::attr_cltn() const 23612950Sgabeblack@google.com{ 23712950Sgabeblack@google.com return cltn; 23812950Sgabeblack@google.com} 23912950Sgabeblack@google.com 24012950Sgabeblack@google.comsc_core::sc_simcontext * 24112950Sgabeblack@google.comObject::simcontext() const 24212950Sgabeblack@google.com{ 24312950Sgabeblack@google.com warn("%s not implemented.\n", __PRETTY_FUNCTION__); 24412950Sgabeblack@google.com return nullptr; 24512950Sgabeblack@google.com} 24612950Sgabeblack@google.com 24712955Sgabeblack@google.comEventsIt 24812955Sgabeblack@google.comObject::addChildEvent(sc_core::sc_event *e) 24912955Sgabeblack@google.com{ 25012955Sgabeblack@google.com return events.emplace(events.end(), e); 25112955Sgabeblack@google.com} 25212955Sgabeblack@google.com 25312955Sgabeblack@google.comvoid 25412988Sgabeblack@google.comObject::delChildEvent(sc_core::sc_event *e) 25512955Sgabeblack@google.com{ 25612988Sgabeblack@google.com EventsIt it = std::find(events.begin(), events.end(), e); 25712988Sgabeblack@google.com assert(it != events.end()); 25812955Sgabeblack@google.com std::swap(*it, events.back()); 25912955Sgabeblack@google.com events.pop_back(); 26012955Sgabeblack@google.com} 26112955Sgabeblack@google.com 26213127Sgabeblack@google.comvoid 26313127Sgabeblack@google.comObject::pickUniqueName(std::string &base) 26413127Sgabeblack@google.com{ 26513127Sgabeblack@google.com std::string seed = base; 26613127Sgabeblack@google.com while (!nameIsUnique(&children, &events, base)) 26713127Sgabeblack@google.com base = ::sc_core::sc_gen_unique_name(seed.c_str()); 26813127Sgabeblack@google.com} 26913127Sgabeblack@google.com 27013127Sgabeblack@google.comvoid 27113127Sgabeblack@google.compickUniqueName(::sc_core::sc_object *parent, std::string &base) 27213127Sgabeblack@google.com{ 27313127Sgabeblack@google.com if (parent) { 27413127Sgabeblack@google.com Object::getFromScObject(parent)->pickUniqueName(base); 27513127Sgabeblack@google.com return; 27613127Sgabeblack@google.com } 27713127Sgabeblack@google.com 27813127Sgabeblack@google.com std::string seed = base; 27913127Sgabeblack@google.com while (!nameIsUnique(&topLevelObjects, &topLevelEvents, base)) 28013127Sgabeblack@google.com base = ::sc_core::sc_gen_unique_name(seed.c_str()); 28113127Sgabeblack@google.com} 28213127Sgabeblack@google.com 28312950Sgabeblack@google.com 28412950Sgabeblack@google.comObjects topLevelObjects; 28512950Sgabeblack@google.comObjects allObjects; 28612950Sgabeblack@google.com 28712950Sgabeblack@google.comconst std::vector<sc_core::sc_object *> & 28812950Sgabeblack@google.comgetTopLevelScObjects() 28912950Sgabeblack@google.com{ 29012950Sgabeblack@google.com return topLevelObjects; 29112950Sgabeblack@google.com} 29212950Sgabeblack@google.com 29312950Sgabeblack@google.comsc_core::sc_object * 29412950Sgabeblack@google.comfindObject(const char *name, const Objects &objects) 29512950Sgabeblack@google.com{ 29612950Sgabeblack@google.com ObjectsIt it = findObjectIn(allObjects, name); 29712950Sgabeblack@google.com return it == allObjects.end() ? nullptr : *it; 29812950Sgabeblack@google.com} 29912950Sgabeblack@google.com 30012950Sgabeblack@google.com} // namespace sc_gem5 301