sc_spawn.cc revision 13207
1/* 2 * Copyright 2018 Google, Inc. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: redistributions of source code must retain the above copyright 7 * notice, this list of conditions and the following disclaimer; 8 * redistributions in binary form must reproduce the above copyright 9 * notice, this list of conditions and the following disclaimer in the 10 * documentation and/or other materials provided with the distribution; 11 * neither the name of the copyright holders nor the names of its 12 * contributors may be used to endorse or promote products derived from 13 * this software without specific prior written permission. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 18 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 19 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 21 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 25 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 * 27 * Authors: Gabe Black 28 */ 29 30#include "base/logging.hh" 31#include "systemc/core/process.hh" 32#include "systemc/core/process_types.hh" 33#include "systemc/core/scheduler.hh" 34#include "systemc/ext/core/sc_main.hh" 35#include "systemc/ext/core/sc_module.hh" 36#include "systemc/ext/core/sc_spawn.hh" 37 38namespace sc_gem5 39{ 40 41Process * 42spawnWork(ProcessFuncWrapper *func, const char *name, 43 const ::sc_core::sc_spawn_options *opts) 44{ 45 bool method = false; 46 bool dontInitialize = false; 47 if (opts) { 48 if (opts->_spawnMethod) 49 method = true; 50 if (opts->_dontInitialize) 51 dontInitialize = true; 52 if (opts->_stackSize != -1) 53 warn("Ignoring request to set stack size.\n"); 54 } 55 56 if (!name || name[0] == '\0') { 57 if (method) 58 name = ::sc_core::sc_gen_unique_name("method_p"); 59 else 60 name = ::sc_core::sc_gen_unique_name("thread_p"); 61 } 62 63 Process *proc; 64 if (method) 65 proc = new Method(name, func); 66 else 67 proc = new Thread(name, func); 68 69 proc->dontInitialize(dontInitialize); 70 71 if (opts) { 72 for (auto e: opts->_events) 73 newStaticSensitivityEvent(proc, e); 74 75 for (auto p: opts->_ports) 76 newStaticSensitivityPort(proc, p); 77 78 for (auto e: opts->_exports) 79 newStaticSensitivityExport(proc, e); 80 81 for (auto i: opts->_interfaces) 82 newStaticSensitivityInterface(proc, i); 83 84 for (auto f: opts->_finders) 85 newStaticSensitivityFinder(proc, f); 86 } 87 88 if (opts && opts->_dontInitialize && 89 opts->_events.empty() && opts->_ports.empty() && 90 opts->_exports.empty() && opts->_interfaces.empty() && 91 opts->_finders.empty()) { 92 SC_REPORT_WARNING( 93 "(W558) disable() or dont_initialize() called on process " 94 "with no static sensitivity, it will be orphaned", 95 proc->name()); 96 } 97 98 scheduler.reg(proc); 99 100 return proc; 101} 102 103} // namespace sc_gem5 104 105namespace sc_core 106{ 107 108sc_spawn_options::sc_spawn_options() : 109 _spawnMethod(false), _dontInitialize(false), _stackSize(-1) 110{} 111 112 113void 114sc_spawn_options::spawn_method() 115{ 116 _spawnMethod = true; 117} 118 119void 120sc_spawn_options::dont_initialize() 121{ 122 _dontInitialize = true; 123} 124 125void 126sc_spawn_options::set_stack_size(int ss) 127{ 128 _stackSize = ss; 129} 130 131 132void 133sc_spawn_options::set_sensitivity(const sc_event *e) 134{ 135 _events.push_back(e); 136} 137 138void 139sc_spawn_options::set_sensitivity(sc_port_base *p) 140{ 141 _ports.push_back(p); 142} 143 144void 145sc_spawn_options::set_sensitivity(sc_export_base *e) 146{ 147 _exports.push_back(e); 148} 149 150void 151sc_spawn_options::set_sensitivity(sc_interface *i) 152{ 153 _interfaces.push_back(i); 154} 155 156void 157sc_spawn_options::set_sensitivity(sc_event_finder *f) 158{ 159 _finders.push_back(f); 160} 161 162 163void 164sc_spawn_options::reset_signal_is(const sc_in<bool> &, bool) 165{ 166 warn("%s not implemented.\n", __PRETTY_FUNCTION__); 167} 168 169void 170sc_spawn_options::reset_signal_is(const sc_inout<bool> &, bool) 171{ 172 warn("%s not implemented.\n", __PRETTY_FUNCTION__); 173} 174 175void 176sc_spawn_options::reset_signal_is(const sc_out<bool> &, bool) 177{ 178 warn("%s not implemented.\n", __PRETTY_FUNCTION__); 179} 180 181void 182sc_spawn_options::reset_signal_is(const sc_signal_in_if<bool> &, bool) 183{ 184 warn("%s not implemented.\n", __PRETTY_FUNCTION__); 185} 186 187 188void 189sc_spawn_options::async_reset_signal_is(const sc_in<bool> &, bool) 190{ 191 warn("%s not implemented.\n", __PRETTY_FUNCTION__); 192} 193 194void 195sc_spawn_options::async_reset_signal_is(const sc_inout<bool> &, bool) 196{ 197 warn("%s not implemented.\n", __PRETTY_FUNCTION__); 198} 199 200void 201sc_spawn_options::async_reset_signal_is(const sc_out<bool> &, bool) 202{ 203 warn("%s not implemented.\n", __PRETTY_FUNCTION__); 204} 205 206void 207sc_spawn_options::async_reset_signal_is(const sc_signal_in_if<bool> &, bool) 208{ 209 warn("%s not implemented.\n", __PRETTY_FUNCTION__); 210} 211 212 213void 214sc_spawn_warn_unimpl(const char *func) 215{ 216 warn("%s not implemented.\n", func); 217} 218 219} // namespace sc_core 220 221namespace sc_unnamed 222{ 223 224ImplementationDefined _1; 225ImplementationDefined _2; 226ImplementationDefined _3; 227ImplementationDefined _4; 228ImplementationDefined _5; 229ImplementationDefined _6; 230ImplementationDefined _7; 231ImplementationDefined _8; 232ImplementationDefined _9; 233 234} // namespace sc_unnamed 235