sc_spawn.cc revision 13180
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 if (opts && opts->_dontInitialize && 87 opts->_events.empty() && opts->_ports.empty() && 88 opts->_exports.empty() && opts->_interfaces.empty() && 89 opts->_finders.empty()) { 90 SC_REPORT_WARNING( 91 "(W558) disable() or dont_initialize() called on process " 92 "with no static sensitivity, it will be orphaned", 93 proc->name()); 94 } 95 96 scheduler.reg(proc); 97 98 if (dontInitialize) 99 scheduler.dontInitialize(proc); 100 101 return proc; 102} 103 104} // namespace sc_gem5 105 106namespace sc_core 107{ 108 109sc_spawn_options::sc_spawn_options() : 110 _spawnMethod(false), _dontInitialize(false), _stackSize(-1) 111{} 112 113 114void 115sc_spawn_options::spawn_method() 116{ 117 _spawnMethod = true; 118} 119 120void 121sc_spawn_options::dont_initialize() 122{ 123 _dontInitialize = true; 124} 125 126void 127sc_spawn_options::set_stack_size(int ss) 128{ 129 _stackSize = ss; 130} 131 132 133void 134sc_spawn_options::set_sensitivity(const sc_event *e) 135{ 136 _events.push_back(e); 137} 138 139void 140sc_spawn_options::set_sensitivity(sc_port_base *p) 141{ 142 _ports.push_back(p); 143} 144 145void 146sc_spawn_options::set_sensitivity(sc_export_base *e) 147{ 148 _exports.push_back(e); 149} 150 151void 152sc_spawn_options::set_sensitivity(sc_interface *i) 153{ 154 _interfaces.push_back(i); 155} 156 157void 158sc_spawn_options::set_sensitivity(sc_event_finder *f) 159{ 160 _finders.push_back(f); 161} 162 163 164void 165sc_spawn_options::reset_signal_is(const sc_in<bool> &, bool) 166{ 167 warn("%s not implemented.\n", __PRETTY_FUNCTION__); 168} 169 170void 171sc_spawn_options::reset_signal_is(const sc_inout<bool> &, bool) 172{ 173 warn("%s not implemented.\n", __PRETTY_FUNCTION__); 174} 175 176void 177sc_spawn_options::reset_signal_is(const sc_out<bool> &, bool) 178{ 179 warn("%s not implemented.\n", __PRETTY_FUNCTION__); 180} 181 182void 183sc_spawn_options::reset_signal_is(const sc_signal_in_if<bool> &, bool) 184{ 185 warn("%s not implemented.\n", __PRETTY_FUNCTION__); 186} 187 188 189void 190sc_spawn_options::async_reset_signal_is(const sc_in<bool> &, bool) 191{ 192 warn("%s not implemented.\n", __PRETTY_FUNCTION__); 193} 194 195void 196sc_spawn_options::async_reset_signal_is(const sc_inout<bool> &, bool) 197{ 198 warn("%s not implemented.\n", __PRETTY_FUNCTION__); 199} 200 201void 202sc_spawn_options::async_reset_signal_is(const sc_out<bool> &, bool) 203{ 204 warn("%s not implemented.\n", __PRETTY_FUNCTION__); 205} 206 207void 208sc_spawn_options::async_reset_signal_is(const sc_signal_in_if<bool> &, bool) 209{ 210 warn("%s not implemented.\n", __PRETTY_FUNCTION__); 211} 212 213 214void 215sc_spawn_warn_unimpl(const char *func) 216{ 217 warn("%s not implemented.\n", func); 218} 219 220} // namespace sc_core 221 222namespace sc_unnamed 223{ 224 225ImplementationDefined _1; 226ImplementationDefined _2; 227ImplementationDefined _3; 228ImplementationDefined _4; 229ImplementationDefined _5; 230ImplementationDefined _6; 231ImplementationDefined _7; 232ImplementationDefined _8; 233ImplementationDefined _9; 234 235} // namespace sc_unnamed 236