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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.
*/
#include "systemc/core/process.hh"
#include "systemc/core/scheduler.hh"
#include "systemc/ext/core/messages.hh"
#include "systemc/ext/core/sc_main.hh"
#include "systemc/ext/core/sc_process_handle.hh"
#include "systemc/ext/utils/sc_report_handler.hh"
namespace sc_core
{
const char *
sc_unwind_exception::what() const throw()
{
return _isReset ? "RESET" : "KILL";
}
bool
sc_unwind_exception::is_reset() const
{
return _isReset;
}
sc_unwind_exception::sc_unwind_exception() : _isReset(false) {}
sc_unwind_exception::sc_unwind_exception(const sc_unwind_exception &e) :
_isReset(e._isReset)
{}
sc_unwind_exception::~sc_unwind_exception() throw() {}
void
sc_set_location(const char *file, int lineno)
{
sc_process_b *current = ::sc_gem5::scheduler.current();
if (!current)
return;
current->file = file;
current->lineno = lineno;
}
sc_process_b *
sc_get_curr_process_handle()
{
return ::sc_gem5::scheduler.current();
}
sc_process_handle::sc_process_handle() : _gem5_process(nullptr) {}
sc_process_handle::sc_process_handle(const sc_process_handle &handle) :
_gem5_process(handle._gem5_process)
{
if (_gem5_process)
_gem5_process->incref();
}
sc_process_handle::sc_process_handle(sc_object *obj) :
_gem5_process(dynamic_cast<::sc_gem5::Process *>(obj))
{
if (_gem5_process)
_gem5_process->incref();
}
sc_process_handle::~sc_process_handle()
{
if (_gem5_process)
_gem5_process->decref();
}
bool
sc_process_handle::valid() const
{
return _gem5_process != nullptr;
}
sc_process_handle &
sc_process_handle::operator = (const sc_process_handle &handle)
{
if (_gem5_process)
_gem5_process->decref();
_gem5_process = handle._gem5_process;
if (_gem5_process)
_gem5_process->incref();
return *this;
}
bool
sc_process_handle::operator == (const sc_process_handle &handle) const
{
return _gem5_process && handle._gem5_process &&
(_gem5_process == handle._gem5_process);
}
bool
sc_process_handle::operator != (const sc_process_handle &handle) const
{
return !(handle == *this);
}
bool
sc_process_handle::operator < (const sc_process_handle &other) const
{
return _gem5_process < other._gem5_process;
}
void
sc_process_handle::swap(sc_process_handle &handle)
{
::sc_gem5::Process *temp = handle._gem5_process;
handle._gem5_process = _gem5_process;
_gem5_process = temp;
}
const char *
sc_process_handle::name() const
{
return _gem5_process ? _gem5_process->name() : "";
}
sc_curr_proc_kind
sc_process_handle::proc_kind() const
{
return _gem5_process ? _gem5_process->procKind() : SC_NO_PROC_;
}
const std::vector<sc_object *> &
sc_process_handle::get_child_objects() const
{
static const std::vector<sc_object *> empty;
return _gem5_process ? _gem5_process->get_child_objects() : empty;
}
const std::vector<sc_event *> &
sc_process_handle::get_child_events() const
{
static const std::vector<sc_event *> empty;
return _gem5_process ? _gem5_process->get_child_events() : empty;
}
sc_object *
sc_process_handle::get_parent_object() const
{
return _gem5_process ? _gem5_process->get_parent_object() : nullptr;
}
sc_object *
sc_process_handle::get_process_object() const
{
return _gem5_process;
}
bool
sc_process_handle::dynamic() const
{
return _gem5_process ? _gem5_process->dynamic() : false;
}
bool
sc_process_handle::terminated() const
{
return _gem5_process ? _gem5_process->terminated() : false;
}
const sc_event &
sc_process_handle::terminated_event() const
{
if (!_gem5_process) {
SC_REPORT_WARNING(SC_ID_EMPTY_PROCESS_HANDLE_, "terminated_event()");
static sc_gem5::InternalScEvent non_event;
return non_event;
}
return _gem5_process->terminatedEvent();
}
void
sc_process_handle::suspend(sc_descendent_inclusion_info include_descendants)
{
if (!_gem5_process) {
SC_REPORT_WARNING(SC_ID_EMPTY_PROCESS_HANDLE_, "suspend()");
return;
}
_gem5_process->suspend(include_descendants == SC_INCLUDE_DESCENDANTS);
}
void
sc_process_handle::resume(sc_descendent_inclusion_info include_descendants)
{
if (!_gem5_process) {
SC_REPORT_WARNING(SC_ID_EMPTY_PROCESS_HANDLE_, "resume()");
return;
}
_gem5_process->resume(include_descendants == SC_INCLUDE_DESCENDANTS);
}
void
sc_process_handle::disable(sc_descendent_inclusion_info include_descendants)
{
if (!_gem5_process) {
SC_REPORT_WARNING(SC_ID_EMPTY_PROCESS_HANDLE_, "disable()");
return;
}
_gem5_process->disable(include_descendants == SC_INCLUDE_DESCENDANTS);
}
void
sc_process_handle::enable(sc_descendent_inclusion_info include_descendants)
{
if (!_gem5_process) {
SC_REPORT_WARNING(SC_ID_EMPTY_PROCESS_HANDLE_, "enable()");
return;
}
_gem5_process->enable(include_descendants == SC_INCLUDE_DESCENDANTS);
}
void
sc_process_handle::kill(sc_descendent_inclusion_info include_descendants)
{
if (!_gem5_process) {
SC_REPORT_WARNING(SC_ID_EMPTY_PROCESS_HANDLE_, "kill()");
return;
}
_gem5_process->kill(include_descendants == SC_INCLUDE_DESCENDANTS);
}
void
sc_process_handle::reset(sc_descendent_inclusion_info include_descendants)
{
if (!_gem5_process) {
SC_REPORT_WARNING(SC_ID_EMPTY_PROCESS_HANDLE_, "reset()");
return;
}
_gem5_process->reset(include_descendants == SC_INCLUDE_DESCENDANTS);
}
bool
sc_process_handle::is_unwinding()
{
if (!_gem5_process) {
SC_REPORT_WARNING(SC_ID_EMPTY_PROCESS_HANDLE_, "is_unwinding()");
return false;
}
return _gem5_process->isUnwinding();
}
const sc_event &
sc_process_handle::reset_event() const
{
if (!_gem5_process) {
SC_REPORT_WARNING(SC_ID_EMPTY_PROCESS_HANDLE_, "reset()");
static sc_gem5::InternalScEvent non_event;
return non_event;
}
return _gem5_process->resetEvent();
}
void
sc_process_handle::sync_reset_on(
sc_descendent_inclusion_info include_descendants)
{
if (!_gem5_process) {
SC_REPORT_WARNING(SC_ID_EMPTY_PROCESS_HANDLE_, "sync_reset_on()");
return;
}
_gem5_process->syncResetOn(include_descendants == SC_INCLUDE_DESCENDANTS);
}
void
sc_process_handle::sync_reset_off(
sc_descendent_inclusion_info include_descendants)
{
if (!_gem5_process) {
SC_REPORT_WARNING(SC_ID_EMPTY_PROCESS_HANDLE_, "sync_reset_off()");
return;
}
_gem5_process->syncResetOff(include_descendants == SC_INCLUDE_DESCENDANTS);
}
sc_process_handle
sc_get_current_process_handle()
{
if (sc_is_running())
return sc_process_handle(::sc_gem5::scheduler.current());
else
return sc_process_handle(::sc_gem5::Process::newest());
}
bool
sc_is_unwinding()
{
return sc_get_current_process_handle().is_unwinding();
}
bool sc_allow_process_control_corners;
} // namespace sc_core