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/*
* 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
*/
#ifndef __SYSTEMC_CORE_MODULE_HH__
#define __SYSTEMC_CORE_MODULE_HH__
#include <cassert>
#include <list>
#include <map>
#include <sstream>
#include <string>
#include <vector>
#include "systemc/core/object.hh"
#include "systemc/ext/core/sc_module.hh"
namespace sc_core
{
class sc_port_base;
class sc_export_base;
} // namespace sc_core
namespace sc_gem5
{
class UniqueNameGen
{
private:
std::map<std::string, int> counts;
std::string buf;
public:
const char *
gen(std::string seed)
{
std::ostringstream os;
os << seed << "_" << counts[seed]++;
buf = os.str();
return buf.c_str();
}
};
class Module
{
private:
const char *_name;
sc_core::sc_module *_sc_mod;
Object *_obj;
bool _ended;
bool _deprecatedConstructor;
UniqueNameGen nameGen;
public:
Module(const char *name);
~Module();
static Module *
fromScModule(::sc_core::sc_module *mod)
{
return mod->_gem5_module;
}
void finish(Object *this_obj);
const char *name() const { return _name; }
void endModule() { _ended = true; }
void deprecatedConstructor() { _deprecatedConstructor = true; }
sc_core::sc_module *
sc_mod() const
{
assert(_sc_mod);
return _sc_mod;
}
void
sc_mod(sc_core::sc_module *sc_mod)
{
assert(!_sc_mod);
_sc_mod = sc_mod;
}
Object *
obj()
{
assert(_obj);
return _obj;
}
void pop();
const char *uniqueName(const char *seed) { return nameGen.gen(seed); }
void bindPorts(std::vector<const ::sc_core::sc_bind_proxy *> &proxies);
std::vector<::sc_core::sc_port_base *> ports;
std::vector<::sc_core::sc_export_base *> exports;
void beforeEndOfElaboration();
void endOfElaboration();
void startOfSimulation();
void endOfSimulation();
};
Module *currentModule();
Module *newModuleChecked();
Module *newModule();
static inline Module *
pickParentModule()
{
::sc_core::sc_object *obj = pickParentObj();
auto mod = dynamic_cast<::sc_core::sc_module *>(obj);
if (!mod)
return nullptr;
return Module::fromScModule(mod);
}
static inline void
pushParentModule(Module *m)
{
pushParentObj(m->obj()->sc_obj());
}
static inline void
popParentModule()
{
assert(pickParentModule());
popParentObj();
}
extern std::list<Module *> allModules;
} // namespace sc_gem5
#endif //__SYSTEMC_CORE_MODULE_HH__