112839Sgabeblack@google.com/*
212839Sgabeblack@google.com * Copyright 2018 Google, Inc.
312839Sgabeblack@google.com *
412839Sgabeblack@google.com * Redistribution and use in source and binary forms, with or without
512839Sgabeblack@google.com * modification, are permitted provided that the following conditions are
612839Sgabeblack@google.com * met: redistributions of source code must retain the above copyright
712839Sgabeblack@google.com * notice, this list of conditions and the following disclaimer;
812839Sgabeblack@google.com * redistributions in binary form must reproduce the above copyright
912839Sgabeblack@google.com * notice, this list of conditions and the following disclaimer in the
1012839Sgabeblack@google.com * documentation and/or other materials provided with the distribution;
1112839Sgabeblack@google.com * neither the name of the copyright holders nor the names of its
1212839Sgabeblack@google.com * contributors may be used to endorse or promote products derived from
1312839Sgabeblack@google.com * this software without specific prior written permission.
1412839Sgabeblack@google.com *
1512839Sgabeblack@google.com * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
1612839Sgabeblack@google.com * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
1712839Sgabeblack@google.com * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
1812839Sgabeblack@google.com * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
1912839Sgabeblack@google.com * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
2012839Sgabeblack@google.com * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
2112839Sgabeblack@google.com * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
2212839Sgabeblack@google.com * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
2312839Sgabeblack@google.com * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
2412839Sgabeblack@google.com * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
2512839Sgabeblack@google.com * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
2612839Sgabeblack@google.com *
2712839Sgabeblack@google.com * Authors: Gabe Black
2812839Sgabeblack@google.com */
2912839Sgabeblack@google.com
3012839Sgabeblack@google.com#include "base/logging.hh"
3112993Sgabeblack@google.com#include "systemc/core/process.hh"
3212993Sgabeblack@google.com#include "systemc/core/process_types.hh"
3312993Sgabeblack@google.com#include "systemc/core/scheduler.hh"
3413288Sgabeblack@google.com#include "systemc/ext/channel/sc_in.hh"
3513288Sgabeblack@google.com#include "systemc/ext/channel/sc_inout.hh"
3613288Sgabeblack@google.com#include "systemc/ext/channel/sc_out.hh"
3713288Sgabeblack@google.com#include "systemc/ext/channel/sc_signal_in_if.hh"
3813317Sgabeblack@google.com#include "systemc/ext/core/messages.hh"
3913129Sgabeblack@google.com#include "systemc/ext/core/sc_main.hh"
4012993Sgabeblack@google.com#include "systemc/ext/core/sc_module.hh"
4112839Sgabeblack@google.com#include "systemc/ext/core/sc_spawn.hh"
4212839Sgabeblack@google.com
4312993Sgabeblack@google.comnamespace sc_gem5
4412993Sgabeblack@google.com{
4512993Sgabeblack@google.com
4612993Sgabeblack@google.comProcess *
4712993Sgabeblack@google.comspawnWork(ProcessFuncWrapper *func, const char *name,
4812993Sgabeblack@google.com          const ::sc_core::sc_spawn_options *opts)
4912993Sgabeblack@google.com{
5012993Sgabeblack@google.com    bool method = false;
5112993Sgabeblack@google.com    bool dontInitialize = false;
5212993Sgabeblack@google.com    if (opts) {
5312993Sgabeblack@google.com        if (opts->_spawnMethod)
5412993Sgabeblack@google.com            method = true;
5512993Sgabeblack@google.com        if (opts->_dontInitialize)
5612993Sgabeblack@google.com            dontInitialize = true;
5712993Sgabeblack@google.com        if (opts->_stackSize != -1)
5812993Sgabeblack@google.com            warn("Ignoring request to set stack size.\n");
5912993Sgabeblack@google.com    }
6012993Sgabeblack@google.com
6112993Sgabeblack@google.com    if (!name || name[0] == '\0') {
6212993Sgabeblack@google.com        if (method)
6312993Sgabeblack@google.com            name = ::sc_core::sc_gen_unique_name("method_p");
6412993Sgabeblack@google.com        else
6512993Sgabeblack@google.com            name = ::sc_core::sc_gen_unique_name("thread_p");
6612993Sgabeblack@google.com    }
6712993Sgabeblack@google.com
6812993Sgabeblack@google.com    Process *proc;
6912993Sgabeblack@google.com    if (method)
7013131Sgabeblack@google.com        proc = new Method(name, func);
7112993Sgabeblack@google.com    else
7213131Sgabeblack@google.com        proc = new Thread(name, func);
7312993Sgabeblack@google.com
7413194Sgabeblack@google.com    proc->dontInitialize(dontInitialize);
7513194Sgabeblack@google.com
7612993Sgabeblack@google.com    if (opts) {
7712993Sgabeblack@google.com        for (auto e: opts->_events)
7813207Sgabeblack@google.com            newStaticSensitivityEvent(proc, e);
7912993Sgabeblack@google.com
8012993Sgabeblack@google.com        for (auto p: opts->_ports)
8113207Sgabeblack@google.com            newStaticSensitivityPort(proc, p);
8212993Sgabeblack@google.com
8312993Sgabeblack@google.com        for (auto e: opts->_exports)
8413207Sgabeblack@google.com            newStaticSensitivityExport(proc, e);
8512993Sgabeblack@google.com
8612993Sgabeblack@google.com        for (auto i: opts->_interfaces)
8713207Sgabeblack@google.com            newStaticSensitivityInterface(proc, i);
8812993Sgabeblack@google.com
8912993Sgabeblack@google.com        for (auto f: opts->_finders)
9013207Sgabeblack@google.com            newStaticSensitivityFinder(proc, f);
9113260Sgabeblack@google.com
9213260Sgabeblack@google.com        for (auto p: opts->_in_resets)
9313288Sgabeblack@google.com            newReset(p.target, proc, p.sync, p.value);
9413260Sgabeblack@google.com
9513260Sgabeblack@google.com        for (auto p: opts->_inout_resets)
9613288Sgabeblack@google.com            newReset(p.target, proc, p.sync, p.value);
9713260Sgabeblack@google.com
9813260Sgabeblack@google.com        for (auto p: opts->_out_resets)
9913288Sgabeblack@google.com            newReset(p.target, proc, p.sync, p.value);
10013260Sgabeblack@google.com
10113260Sgabeblack@google.com        for (auto i: opts->_if_resets)
10213288Sgabeblack@google.com            newReset(i.target, proc, i.sync, i.value);
10312993Sgabeblack@google.com    }
10412993Sgabeblack@google.com
10513180Sgabeblack@google.com    if (opts && opts->_dontInitialize &&
10613180Sgabeblack@google.com            opts->_events.empty() && opts->_ports.empty() &&
10713180Sgabeblack@google.com            opts->_exports.empty() && opts->_interfaces.empty() &&
10813180Sgabeblack@google.com            opts->_finders.empty()) {
10913317Sgabeblack@google.com        SC_REPORT_WARNING(sc_core::SC_ID_DISABLE_WILL_ORPHAN_PROCESS_,
11013180Sgabeblack@google.com                proc->name());
11113180Sgabeblack@google.com    }
11213180Sgabeblack@google.com
11312993Sgabeblack@google.com    scheduler.reg(proc);
11412993Sgabeblack@google.com
11512993Sgabeblack@google.com    return proc;
11612993Sgabeblack@google.com}
11712993Sgabeblack@google.com
11812993Sgabeblack@google.com} // namespace sc_gem5
11912993Sgabeblack@google.com
12012839Sgabeblack@google.comnamespace sc_core
12112839Sgabeblack@google.com{
12212839Sgabeblack@google.com
12312993Sgabeblack@google.comsc_spawn_options::sc_spawn_options() :
12412993Sgabeblack@google.com    _spawnMethod(false), _dontInitialize(false), _stackSize(-1)
12512993Sgabeblack@google.com{}
12612839Sgabeblack@google.com
12712839Sgabeblack@google.com
12812839Sgabeblack@google.comvoid
12912839Sgabeblack@google.comsc_spawn_options::spawn_method()
13012839Sgabeblack@google.com{
13112993Sgabeblack@google.com    _spawnMethod = true;
13212839Sgabeblack@google.com}
13312839Sgabeblack@google.com
13412839Sgabeblack@google.comvoid
13512839Sgabeblack@google.comsc_spawn_options::dont_initialize()
13612839Sgabeblack@google.com{
13712993Sgabeblack@google.com    _dontInitialize = true;
13812839Sgabeblack@google.com}
13912839Sgabeblack@google.com
14012839Sgabeblack@google.comvoid
14112993Sgabeblack@google.comsc_spawn_options::set_stack_size(int ss)
14212839Sgabeblack@google.com{
14312993Sgabeblack@google.com    _stackSize = ss;
14412839Sgabeblack@google.com}
14512839Sgabeblack@google.com
14612839Sgabeblack@google.com
14712839Sgabeblack@google.comvoid
14812993Sgabeblack@google.comsc_spawn_options::set_sensitivity(const sc_event *e)
14912839Sgabeblack@google.com{
15012993Sgabeblack@google.com    _events.push_back(e);
15112839Sgabeblack@google.com}
15212839Sgabeblack@google.com
15312839Sgabeblack@google.comvoid
15412993Sgabeblack@google.comsc_spawn_options::set_sensitivity(sc_port_base *p)
15512839Sgabeblack@google.com{
15612993Sgabeblack@google.com    _ports.push_back(p);
15712839Sgabeblack@google.com}
15812839Sgabeblack@google.com
15912839Sgabeblack@google.comvoid
16012993Sgabeblack@google.comsc_spawn_options::set_sensitivity(sc_export_base *e)
16112839Sgabeblack@google.com{
16212993Sgabeblack@google.com    _exports.push_back(e);
16312839Sgabeblack@google.com}
16412839Sgabeblack@google.com
16512839Sgabeblack@google.comvoid
16612993Sgabeblack@google.comsc_spawn_options::set_sensitivity(sc_interface *i)
16712839Sgabeblack@google.com{
16812993Sgabeblack@google.com    _interfaces.push_back(i);
16912839Sgabeblack@google.com}
17012839Sgabeblack@google.com
17112839Sgabeblack@google.comvoid
17212993Sgabeblack@google.comsc_spawn_options::set_sensitivity(sc_event_finder *f)
17312839Sgabeblack@google.com{
17412993Sgabeblack@google.com    _finders.push_back(f);
17512839Sgabeblack@google.com}
17612839Sgabeblack@google.com
17712839Sgabeblack@google.com
17812839Sgabeblack@google.comvoid
17913260Sgabeblack@google.comsc_spawn_options::reset_signal_is(const sc_in<bool> &port, bool value)
18012839Sgabeblack@google.com{
18113260Sgabeblack@google.com    _in_resets.emplace_back(&port, value, true);
18212839Sgabeblack@google.com}
18312839Sgabeblack@google.com
18412839Sgabeblack@google.comvoid
18513260Sgabeblack@google.comsc_spawn_options::reset_signal_is(const sc_inout<bool> &port, bool value)
18612839Sgabeblack@google.com{
18713260Sgabeblack@google.com    _inout_resets.emplace_back(&port, value, true);
18812839Sgabeblack@google.com}
18912839Sgabeblack@google.com
19012839Sgabeblack@google.comvoid
19113260Sgabeblack@google.comsc_spawn_options::reset_signal_is(const sc_out<bool> &port, bool value)
19212839Sgabeblack@google.com{
19313260Sgabeblack@google.com    _out_resets.emplace_back(&port, value, true);
19412839Sgabeblack@google.com}
19512839Sgabeblack@google.com
19612839Sgabeblack@google.comvoid
19713260Sgabeblack@google.comsc_spawn_options::reset_signal_is(
19813260Sgabeblack@google.com        const sc_signal_in_if<bool> &iface, bool value)
19912839Sgabeblack@google.com{
20013260Sgabeblack@google.com    _if_resets.emplace_back(&iface, value, true);
20112839Sgabeblack@google.com}
20212839Sgabeblack@google.com
20312839Sgabeblack@google.com
20412839Sgabeblack@google.comvoid
20513260Sgabeblack@google.comsc_spawn_options::async_reset_signal_is(const sc_in<bool> &port, bool value)
20612839Sgabeblack@google.com{
20713260Sgabeblack@google.com    _in_resets.emplace_back(&port, value, false);
20812839Sgabeblack@google.com}
20912839Sgabeblack@google.com
21012839Sgabeblack@google.comvoid
21113260Sgabeblack@google.comsc_spawn_options::async_reset_signal_is(const sc_inout<bool> &port, bool value)
21212839Sgabeblack@google.com{
21313260Sgabeblack@google.com    _inout_resets.emplace_back(&port, value, false);
21412839Sgabeblack@google.com}
21512839Sgabeblack@google.com
21612839Sgabeblack@google.comvoid
21713260Sgabeblack@google.comsc_spawn_options::async_reset_signal_is(const sc_out<bool> &port, bool value)
21812839Sgabeblack@google.com{
21913260Sgabeblack@google.com    _out_resets.emplace_back(&port, value, false);
22012839Sgabeblack@google.com}
22112839Sgabeblack@google.com
22212839Sgabeblack@google.comvoid
22313260Sgabeblack@google.comsc_spawn_options::async_reset_signal_is(
22413260Sgabeblack@google.com        const sc_signal_in_if<bool> &iface, bool value)
22512839Sgabeblack@google.com{
22613260Sgabeblack@google.com    _if_resets.emplace_back(&iface, value, false);
22712839Sgabeblack@google.com}
22812839Sgabeblack@google.com
22912839Sgabeblack@google.com} // namespace sc_core
230