sc_spawn.cc revision 13131
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 if (opts) { 70 for (auto e: opts->_events) 71 proc->addStatic(new PendingSensitivityEvent(proc, e)); 72 73 for (auto p: opts->_ports) 74 proc->addStatic(new PendingSensitivityPort(proc, p)); 75 76 for (auto e: opts->_exports) 77 proc->addStatic(new PendingSensitivityExport(proc, e)); 78 79 for (auto i: opts->_interfaces) 80 proc->addStatic(new PendingSensitivityInterface(proc, i)); 81 82 for (auto f: opts->_finders) 83 proc->addStatic(new PendingSensitivityFinder(proc, f)); 84 } 85 86 scheduler.reg(proc); 87 88 if (dontInitialize) 89 scheduler.dontInitialize(proc); 90 91 return proc; 92} 93 94} // namespace sc_gem5 95 96namespace sc_core 97{ 98 99sc_spawn_options::sc_spawn_options() : 100 _spawnMethod(false), _dontInitialize(false), _stackSize(-1) 101{} 102 103 104void 105sc_spawn_options::spawn_method() 106{ 107 _spawnMethod = true; 108} 109 110void 111sc_spawn_options::dont_initialize() 112{ 113 _dontInitialize = true; 114} 115 116void 117sc_spawn_options::set_stack_size(int ss) 118{ 119 _stackSize = ss; 120} 121 122 123void 124sc_spawn_options::set_sensitivity(const sc_event *e) 125{ 126 _events.push_back(e); 127} 128 129void 130sc_spawn_options::set_sensitivity(sc_port_base *p) 131{ 132 _ports.push_back(p); 133} 134 135void 136sc_spawn_options::set_sensitivity(sc_export_base *e) 137{ 138 _exports.push_back(e); 139} 140 141void 142sc_spawn_options::set_sensitivity(sc_interface *i) 143{ 144 _interfaces.push_back(i); 145} 146 147void 148sc_spawn_options::set_sensitivity(sc_event_finder *f) 149{ 150 _finders.push_back(f); 151} 152 153 154void 155sc_spawn_options::reset_signal_is(const sc_in<bool> &, bool) 156{ 157 warn("%s not implemented.\n", __PRETTY_FUNCTION__); 158} 159 160void 161sc_spawn_options::reset_signal_is(const sc_inout<bool> &, bool) 162{ 163 warn("%s not implemented.\n", __PRETTY_FUNCTION__); 164} 165 166void 167sc_spawn_options::reset_signal_is(const sc_out<bool> &, bool) 168{ 169 warn("%s not implemented.\n", __PRETTY_FUNCTION__); 170} 171 172void 173sc_spawn_options::reset_signal_is(const sc_signal_in_if<bool> &, bool) 174{ 175 warn("%s not implemented.\n", __PRETTY_FUNCTION__); 176} 177 178 179void 180sc_spawn_options::async_reset_signal_is(const sc_in<bool> &, bool) 181{ 182 warn("%s not implemented.\n", __PRETTY_FUNCTION__); 183} 184 185void 186sc_spawn_options::async_reset_signal_is(const sc_inout<bool> &, bool) 187{ 188 warn("%s not implemented.\n", __PRETTY_FUNCTION__); 189} 190 191void 192sc_spawn_options::async_reset_signal_is(const sc_out<bool> &, bool) 193{ 194 warn("%s not implemented.\n", __PRETTY_FUNCTION__); 195} 196 197void 198sc_spawn_options::async_reset_signal_is(const sc_signal_in_if<bool> &, bool) 199{ 200 warn("%s not implemented.\n", __PRETTY_FUNCTION__); 201} 202 203 204void 205sc_spawn_warn_unimpl(const char *func) 206{ 207 warn("%s not implemented.\n", func); 208} 209 210} // namespace sc_core 211 212namespace sc_unnamed 213{ 214 215ImplementationDefined _1; 216ImplementationDefined _2; 217ImplementationDefined _3; 218ImplementationDefined _4; 219ImplementationDefined _5; 220ImplementationDefined _6; 221ImplementationDefined _7; 222ImplementationDefined _8; 223ImplementationDefined _9; 224 225} // namespace sc_unnamed 226