diff options
Diffstat (limited to 'src/systemc/core/object.cc')
| -rw-r--r-- | src/systemc/core/object.cc | 236 |
1 files changed, 236 insertions, 0 deletions
diff --git a/src/systemc/core/object.cc b/src/systemc/core/object.cc new file mode 100644 index 000000000..8d2b73545 --- /dev/null +++ b/src/systemc/core/object.cc @@ -0,0 +1,236 @@ +/* + * Copyright 2018 Google, Inc. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer; + * 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; + * neither the name of the copyright holders 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 + * OWNER 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: Gabe Black + */ + +#include "systemc/core/object.hh" + +#include "base/logging.hh" +#include "systemc/core/module.hh" + +namespace sc_gem5 +{ + +namespace +{ + +ObjectsIt +findObjectIn(Objects &objects, const std::string &name) +{ + ObjectsIt it; + for (it = objects.begin(); it != objects.end(); it++) + if (!strcmp((*it)->name(), name.c_str())) + break; + + return it; +} + +void +addObject(Objects *objects, sc_core::sc_object *object) +{ + objects->emplace(objects->end(), object); +} + +void +popObject(Objects *objects, const std::string &name) +{ + ObjectsIt it = findObjectIn(*objects, name); + assert(it != objects->end()); + std::swap(objects->back(), *it); + objects->pop_back(); +} + +} // anonymous namespace + +Object::Object(sc_core::sc_object *sc_obj) : Object(sc_obj, "object") {} + +Object::Object(sc_core::sc_object *sc_obj, const char *obj_name) : + sc_obj(sc_obj), _basename(obj_name), parent(nullptr) +{ + if (_basename == "") + _basename = "object"; + + Module *p = currentModule(); + + Module *n = newModule(); + if (n) { + // We are a module in the process of being constructed. + n->finish(this); + } + + if (p) { + // We're "within" a parent module, ie we're being created while its + // constructor is running. + parent = p->obj()->sc_obj; + addObject(&parent->_gem5_object->children, sc_obj); + } else if (false /* TODO Check if a process is running */) { + // The process is our parent. + } else { + // We're a top level object. + addObject(&topLevelObjects, sc_obj); + } + + addObject(&allObjects, sc_obj); + + _name = _basename; + sc_core::sc_object *sc_p = parent; + while (sc_p) { + _name = std::string(sc_p->basename()) + std::string(".") + _name; + sc_p = get_parent_object(); + } +} + +Object::Object(sc_core::sc_object *sc_obj, const Object &arg) : + Object(sc_obj, arg._basename.c_str()) +{} + +Object & +Object::operator = (const Object &) +{ + return *this; +} + +Object::~Object() +{ + panic_if(!children.empty(), "Parent object still has children.\n"); + + if (parent) + popObject(&parent->_gem5_object->children, _name); + else + popObject(&topLevelObjects, _name); + popObject(&allObjects, _name); +} + +const char * +Object::name() const +{ + return _name.c_str(); +} + +const char * +Object::basename() const +{ + return _basename.c_str(); +} + +void +Object::print(std::ostream &out) const +{ + out << name(); +} + +void +Object::dump(std::ostream &out) const +{ + out << "name = " << name() << "\n"; + out << "kind = " << sc_obj->kind() << "\n"; +} + +const std::vector<sc_core::sc_object *> & +Object::get_child_objects() const +{ + return children; +} + +const std::vector<sc_core::sc_event *> & +Object::get_child_events() const +{ + return events; +} + +sc_core::sc_object *Object::get_parent_object() const +{ + return parent; +} + +bool +Object::add_attribute(sc_core::sc_attr_base &attr) +{ + return cltn.push_back(&attr); +} + +sc_core::sc_attr_base * +Object::get_attribute(const std::string &attr) +{ + return cltn[attr]; +} + +sc_core::sc_attr_base * +Object::remove_attribute(const std::string &attr) +{ + return cltn.remove(attr); +} + +void +Object::remove_all_attributes() +{ + cltn.remove_all(); +} + +int +Object::num_attributes() const +{ + return cltn.size(); +} + +sc_core::sc_attr_cltn & +Object::attr_cltn() +{ + return cltn; +} + +const sc_core::sc_attr_cltn & +Object::attr_cltn() const +{ + return cltn; +} + +sc_core::sc_simcontext * +Object::simcontext() const +{ + warn("%s not implemented.\n", __PRETTY_FUNCTION__); + return nullptr; +} + + +Objects topLevelObjects; +Objects allObjects; + +const std::vector<sc_core::sc_object *> & +getTopLevelScObjects() +{ + return topLevelObjects; +} + +sc_core::sc_object * +findObject(const char *name, const Objects &objects) +{ + ObjectsIt it = findObjectIn(allObjects, name); + return it == allObjects.end() ? nullptr : *it; +} + +} // namespace sc_gem5 |