blob: 5e6d89d13e7b05e88519fa2e085b9aa48ca52533 [file] [log] [blame]
/*
* 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 "base/logging.hh"
#include "systemc/core/process.hh"
#include "systemc/core/process_types.hh"
#include "systemc/core/scheduler.hh"
#include "systemc/ext/channel/sc_in.hh"
#include "systemc/ext/channel/sc_inout.hh"
#include "systemc/ext/channel/sc_out.hh"
#include "systemc/ext/channel/sc_signal_in_if.hh"
#include "systemc/ext/core/messages.hh"
#include "systemc/ext/core/sc_main.hh"
#include "systemc/ext/core/sc_module.hh"
#include "systemc/ext/core/sc_spawn.hh"
namespace sc_gem5
{
Process *
spawnWork(ProcessFuncWrapper *func, const char *name,
const ::sc_core::sc_spawn_options *opts)
{
bool method = false;
bool dontInitialize = false;
if (opts) {
if (opts->_spawnMethod)
method = true;
if (opts->_dontInitialize)
dontInitialize = true;
if (opts->_stackSize != -1)
warn("Ignoring request to set stack size.\n");
}
if (!name || name[0] == '\0') {
if (method)
name = ::sc_core::sc_gen_unique_name("method_p");
else
name = ::sc_core::sc_gen_unique_name("thread_p");
}
Process *proc;
if (method)
proc = new Method(name, func);
else
proc = new Thread(name, func);
proc->dontInitialize(dontInitialize);
if (opts) {
for (auto e: opts->_events)
newStaticSensitivityEvent(proc, e);
for (auto p: opts->_ports)
newStaticSensitivityPort(proc, p);
for (auto e: opts->_exports)
newStaticSensitivityExport(proc, e);
for (auto i: opts->_interfaces)
newStaticSensitivityInterface(proc, i);
for (auto f: opts->_finders)
newStaticSensitivityFinder(proc, f);
for (auto p: opts->_in_resets)
newReset(p.target, proc, p.sync, p.value);
for (auto p: opts->_inout_resets)
newReset(p.target, proc, p.sync, p.value);
for (auto p: opts->_out_resets)
newReset(p.target, proc, p.sync, p.value);
for (auto i: opts->_if_resets)
newReset(i.target, proc, i.sync, i.value);
}
if (opts && opts->_dontInitialize &&
opts->_events.empty() && opts->_ports.empty() &&
opts->_exports.empty() && opts->_interfaces.empty() &&
opts->_finders.empty()) {
SC_REPORT_WARNING(sc_core::SC_ID_DISABLE_WILL_ORPHAN_PROCESS_,
proc->name());
}
scheduler.reg(proc);
return proc;
}
} // namespace sc_gem5
namespace sc_core
{
sc_spawn_options::sc_spawn_options() :
_spawnMethod(false), _dontInitialize(false), _stackSize(-1)
{}
void
sc_spawn_options::spawn_method()
{
_spawnMethod = true;
}
void
sc_spawn_options::dont_initialize()
{
_dontInitialize = true;
}
void
sc_spawn_options::set_stack_size(int ss)
{
_stackSize = ss;
}
void
sc_spawn_options::set_sensitivity(const sc_event *e)
{
_events.push_back(e);
}
void
sc_spawn_options::set_sensitivity(sc_port_base *p)
{
_ports.push_back(p);
}
void
sc_spawn_options::set_sensitivity(sc_export_base *e)
{
_exports.push_back(e);
}
void
sc_spawn_options::set_sensitivity(sc_interface *i)
{
_interfaces.push_back(i);
}
void
sc_spawn_options::set_sensitivity(sc_event_finder *f)
{
_finders.push_back(f);
}
void
sc_spawn_options::reset_signal_is(const sc_in<bool> &port, bool value)
{
_in_resets.emplace_back(&port, value, true);
}
void
sc_spawn_options::reset_signal_is(const sc_inout<bool> &port, bool value)
{
_inout_resets.emplace_back(&port, value, true);
}
void
sc_spawn_options::reset_signal_is(const sc_out<bool> &port, bool value)
{
_out_resets.emplace_back(&port, value, true);
}
void
sc_spawn_options::reset_signal_is(
const sc_signal_in_if<bool> &iface, bool value)
{
_if_resets.emplace_back(&iface, value, true);
}
void
sc_spawn_options::async_reset_signal_is(const sc_in<bool> &port, bool value)
{
_in_resets.emplace_back(&port, value, false);
}
void
sc_spawn_options::async_reset_signal_is(const sc_inout<bool> &port, bool value)
{
_inout_resets.emplace_back(&port, value, false);
}
void
sc_spawn_options::async_reset_signal_is(const sc_out<bool> &port, bool value)
{
_out_resets.emplace_back(&port, value, false);
}
void
sc_spawn_options::async_reset_signal_is(
const sc_signal_in_if<bool> &iface, bool value)
{
_if_resets.emplace_back(&iface, value, false);
}
} // namespace sc_core