sc_spawn.cc revision 13288
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" 3813129Sgabeblack@google.com#include "systemc/ext/core/sc_main.hh" 3912993Sgabeblack@google.com#include "systemc/ext/core/sc_module.hh" 4012839Sgabeblack@google.com#include "systemc/ext/core/sc_spawn.hh" 4112839Sgabeblack@google.com 4212993Sgabeblack@google.comnamespace sc_gem5 4312993Sgabeblack@google.com{ 4412993Sgabeblack@google.com 4512993Sgabeblack@google.comProcess * 4612993Sgabeblack@google.comspawnWork(ProcessFuncWrapper *func, const char *name, 4712993Sgabeblack@google.com const ::sc_core::sc_spawn_options *opts) 4812993Sgabeblack@google.com{ 4912993Sgabeblack@google.com bool method = false; 5012993Sgabeblack@google.com bool dontInitialize = false; 5112993Sgabeblack@google.com if (opts) { 5212993Sgabeblack@google.com if (opts->_spawnMethod) 5312993Sgabeblack@google.com method = true; 5412993Sgabeblack@google.com if (opts->_dontInitialize) 5512993Sgabeblack@google.com dontInitialize = true; 5612993Sgabeblack@google.com if (opts->_stackSize != -1) 5712993Sgabeblack@google.com warn("Ignoring request to set stack size.\n"); 5812993Sgabeblack@google.com } 5912993Sgabeblack@google.com 6012993Sgabeblack@google.com if (!name || name[0] == '\0') { 6112993Sgabeblack@google.com if (method) 6212993Sgabeblack@google.com name = ::sc_core::sc_gen_unique_name("method_p"); 6312993Sgabeblack@google.com else 6412993Sgabeblack@google.com name = ::sc_core::sc_gen_unique_name("thread_p"); 6512993Sgabeblack@google.com } 6612993Sgabeblack@google.com 6712993Sgabeblack@google.com Process *proc; 6812993Sgabeblack@google.com if (method) 6913131Sgabeblack@google.com proc = new Method(name, func); 7012993Sgabeblack@google.com else 7113131Sgabeblack@google.com proc = new Thread(name, func); 7212993Sgabeblack@google.com 7313194Sgabeblack@google.com proc->dontInitialize(dontInitialize); 7413194Sgabeblack@google.com 7512993Sgabeblack@google.com if (opts) { 7612993Sgabeblack@google.com for (auto e: opts->_events) 7713207Sgabeblack@google.com newStaticSensitivityEvent(proc, e); 7812993Sgabeblack@google.com 7912993Sgabeblack@google.com for (auto p: opts->_ports) 8013207Sgabeblack@google.com newStaticSensitivityPort(proc, p); 8112993Sgabeblack@google.com 8212993Sgabeblack@google.com for (auto e: opts->_exports) 8313207Sgabeblack@google.com newStaticSensitivityExport(proc, e); 8412993Sgabeblack@google.com 8512993Sgabeblack@google.com for (auto i: opts->_interfaces) 8613207Sgabeblack@google.com newStaticSensitivityInterface(proc, i); 8712993Sgabeblack@google.com 8812993Sgabeblack@google.com for (auto f: opts->_finders) 8913207Sgabeblack@google.com newStaticSensitivityFinder(proc, f); 9013260Sgabeblack@google.com 9113260Sgabeblack@google.com for (auto p: opts->_in_resets) 9213288Sgabeblack@google.com newReset(p.target, proc, p.sync, p.value); 9313260Sgabeblack@google.com 9413260Sgabeblack@google.com for (auto p: opts->_inout_resets) 9513288Sgabeblack@google.com newReset(p.target, proc, p.sync, p.value); 9613260Sgabeblack@google.com 9713260Sgabeblack@google.com for (auto p: opts->_out_resets) 9813288Sgabeblack@google.com newReset(p.target, proc, p.sync, p.value); 9913260Sgabeblack@google.com 10013260Sgabeblack@google.com for (auto i: opts->_if_resets) 10113288Sgabeblack@google.com newReset(i.target, proc, i.sync, i.value); 10212993Sgabeblack@google.com } 10312993Sgabeblack@google.com 10413180Sgabeblack@google.com if (opts && opts->_dontInitialize && 10513180Sgabeblack@google.com opts->_events.empty() && opts->_ports.empty() && 10613180Sgabeblack@google.com opts->_exports.empty() && opts->_interfaces.empty() && 10713180Sgabeblack@google.com opts->_finders.empty()) { 10813180Sgabeblack@google.com SC_REPORT_WARNING( 10913180Sgabeblack@google.com "(W558) disable() or dont_initialize() called on process " 11013180Sgabeblack@google.com "with no static sensitivity, it will be orphaned", 11113180Sgabeblack@google.com proc->name()); 11213180Sgabeblack@google.com } 11313180Sgabeblack@google.com 11412993Sgabeblack@google.com scheduler.reg(proc); 11512993Sgabeblack@google.com 11612993Sgabeblack@google.com return proc; 11712993Sgabeblack@google.com} 11812993Sgabeblack@google.com 11912993Sgabeblack@google.com} // namespace sc_gem5 12012993Sgabeblack@google.com 12112839Sgabeblack@google.comnamespace sc_core 12212839Sgabeblack@google.com{ 12312839Sgabeblack@google.com 12412993Sgabeblack@google.comsc_spawn_options::sc_spawn_options() : 12512993Sgabeblack@google.com _spawnMethod(false), _dontInitialize(false), _stackSize(-1) 12612993Sgabeblack@google.com{} 12712839Sgabeblack@google.com 12812839Sgabeblack@google.com 12912839Sgabeblack@google.comvoid 13012839Sgabeblack@google.comsc_spawn_options::spawn_method() 13112839Sgabeblack@google.com{ 13212993Sgabeblack@google.com _spawnMethod = true; 13312839Sgabeblack@google.com} 13412839Sgabeblack@google.com 13512839Sgabeblack@google.comvoid 13612839Sgabeblack@google.comsc_spawn_options::dont_initialize() 13712839Sgabeblack@google.com{ 13812993Sgabeblack@google.com _dontInitialize = true; 13912839Sgabeblack@google.com} 14012839Sgabeblack@google.com 14112839Sgabeblack@google.comvoid 14212993Sgabeblack@google.comsc_spawn_options::set_stack_size(int ss) 14312839Sgabeblack@google.com{ 14412993Sgabeblack@google.com _stackSize = ss; 14512839Sgabeblack@google.com} 14612839Sgabeblack@google.com 14712839Sgabeblack@google.com 14812839Sgabeblack@google.comvoid 14912993Sgabeblack@google.comsc_spawn_options::set_sensitivity(const sc_event *e) 15012839Sgabeblack@google.com{ 15112993Sgabeblack@google.com _events.push_back(e); 15212839Sgabeblack@google.com} 15312839Sgabeblack@google.com 15412839Sgabeblack@google.comvoid 15512993Sgabeblack@google.comsc_spawn_options::set_sensitivity(sc_port_base *p) 15612839Sgabeblack@google.com{ 15712993Sgabeblack@google.com _ports.push_back(p); 15812839Sgabeblack@google.com} 15912839Sgabeblack@google.com 16012839Sgabeblack@google.comvoid 16112993Sgabeblack@google.comsc_spawn_options::set_sensitivity(sc_export_base *e) 16212839Sgabeblack@google.com{ 16312993Sgabeblack@google.com _exports.push_back(e); 16412839Sgabeblack@google.com} 16512839Sgabeblack@google.com 16612839Sgabeblack@google.comvoid 16712993Sgabeblack@google.comsc_spawn_options::set_sensitivity(sc_interface *i) 16812839Sgabeblack@google.com{ 16912993Sgabeblack@google.com _interfaces.push_back(i); 17012839Sgabeblack@google.com} 17112839Sgabeblack@google.com 17212839Sgabeblack@google.comvoid 17312993Sgabeblack@google.comsc_spawn_options::set_sensitivity(sc_event_finder *f) 17412839Sgabeblack@google.com{ 17512993Sgabeblack@google.com _finders.push_back(f); 17612839Sgabeblack@google.com} 17712839Sgabeblack@google.com 17812839Sgabeblack@google.com 17912839Sgabeblack@google.comvoid 18013260Sgabeblack@google.comsc_spawn_options::reset_signal_is(const sc_in<bool> &port, bool value) 18112839Sgabeblack@google.com{ 18213260Sgabeblack@google.com _in_resets.emplace_back(&port, value, true); 18312839Sgabeblack@google.com} 18412839Sgabeblack@google.com 18512839Sgabeblack@google.comvoid 18613260Sgabeblack@google.comsc_spawn_options::reset_signal_is(const sc_inout<bool> &port, bool value) 18712839Sgabeblack@google.com{ 18813260Sgabeblack@google.com _inout_resets.emplace_back(&port, value, true); 18912839Sgabeblack@google.com} 19012839Sgabeblack@google.com 19112839Sgabeblack@google.comvoid 19213260Sgabeblack@google.comsc_spawn_options::reset_signal_is(const sc_out<bool> &port, bool value) 19312839Sgabeblack@google.com{ 19413260Sgabeblack@google.com _out_resets.emplace_back(&port, value, true); 19512839Sgabeblack@google.com} 19612839Sgabeblack@google.com 19712839Sgabeblack@google.comvoid 19813260Sgabeblack@google.comsc_spawn_options::reset_signal_is( 19913260Sgabeblack@google.com const sc_signal_in_if<bool> &iface, bool value) 20012839Sgabeblack@google.com{ 20113260Sgabeblack@google.com _if_resets.emplace_back(&iface, value, true); 20212839Sgabeblack@google.com} 20312839Sgabeblack@google.com 20412839Sgabeblack@google.com 20512839Sgabeblack@google.comvoid 20613260Sgabeblack@google.comsc_spawn_options::async_reset_signal_is(const sc_in<bool> &port, bool value) 20712839Sgabeblack@google.com{ 20813260Sgabeblack@google.com _in_resets.emplace_back(&port, value, false); 20912839Sgabeblack@google.com} 21012839Sgabeblack@google.com 21112839Sgabeblack@google.comvoid 21213260Sgabeblack@google.comsc_spawn_options::async_reset_signal_is(const sc_inout<bool> &port, bool value) 21312839Sgabeblack@google.com{ 21413260Sgabeblack@google.com _inout_resets.emplace_back(&port, value, false); 21512839Sgabeblack@google.com} 21612839Sgabeblack@google.com 21712839Sgabeblack@google.comvoid 21813260Sgabeblack@google.comsc_spawn_options::async_reset_signal_is(const sc_out<bool> &port, bool value) 21912839Sgabeblack@google.com{ 22013260Sgabeblack@google.com _out_resets.emplace_back(&port, value, false); 22112839Sgabeblack@google.com} 22212839Sgabeblack@google.com 22312839Sgabeblack@google.comvoid 22413260Sgabeblack@google.comsc_spawn_options::async_reset_signal_is( 22513260Sgabeblack@google.com const sc_signal_in_if<bool> &iface, bool value) 22612839Sgabeblack@google.com{ 22713260Sgabeblack@google.com _if_resets.emplace_back(&iface, value, false); 22812839Sgabeblack@google.com} 22912839Sgabeblack@google.com 23012839Sgabeblack@google.com} // namespace sc_core 231