sc_module.cc revision 13280:3a1147706ccf 
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 <memory>
31#include <string>
32#include <vector>
33
34#include "base/logging.hh"
35#include "systemc/core/event.hh"
36#include "systemc/core/kernel.hh"
37#include "systemc/core/module.hh"
38#include "systemc/core/object.hh"
39#include "systemc/core/process_types.hh"
40#include "systemc/core/sensitivity.hh"
41#include "systemc/ext/channel/sc_signal_in_if.hh"
42#include "systemc/ext/core/sc_module.hh"
43#include "systemc/ext/core/sc_module_name.hh"
44#include "systemc/ext/dt/bit/sc_logic.hh"
45#include "systemc/ext/utils/sc_report_handler.hh"
46
47namespace sc_gem5
48{
49
50Process *
51newMethodProcess(const char *name, ProcessFuncWrapper *func)
52{
53    Method *p = new Method(name, func);
54    if (::sc_core::sc_is_running()) {
55        std::string name = p->name();
56        delete p;
57        SC_REPORT_ERROR("(E541) call to SC_METHOD in sc_module while "
58                "simulation running", name.c_str());
59        return nullptr;
60    }
61    scheduler.reg(p);
62    return p;
63}
64
65Process *
66newThreadProcess(const char *name, ProcessFuncWrapper *func)
67{
68    Thread *p = new Thread(name, func);
69    if (::sc_core::sc_is_running()) {
70        std::string name = p->name();
71        delete p;
72        SC_REPORT_ERROR("(E542) call to SC_THREAD in sc_module while "
73                "simulation running", name.c_str());
74        return nullptr;
75    }
76    scheduler.reg(p);
77    return p;
78}
79
80Process *
81newCThreadProcess(const char *name, ProcessFuncWrapper *func)
82{
83    CThread *p = new CThread(name, func);
84    if (::sc_core::sc_is_running()) {
85        std::string name = p->name();
86        delete p;
87        SC_REPORT_ERROR("(E543) call to SC_CTHREAD in sc_module while "
88                "simulation running", name.c_str());
89        return nullptr;
90    }
91    scheduler.reg(p);
92    p->dontInitialize(true);
93    return p;
94}
95
96UniqueNameGen nameGen;
97
98} // namespace sc_gem5
99
100namespace sc_core
101{
102
103sc_bind_proxy::sc_bind_proxy(sc_interface &_interface) :
104    _interface(&_interface), _port(nullptr)
105{}
106
107sc_bind_proxy::sc_bind_proxy(sc_port_base &_port) :
108    _interface(nullptr), _port(&_port)
109{}
110
111const sc_bind_proxy SC_BIND_PROXY_NUL(*(sc_port_base *)nullptr);
112
113sc_module::~sc_module() { delete _gem5_module; }
114
115const sc_bind_proxy SC_BIND_PROXY_NIL(*(sc_port_base *)nullptr);
116
117void
118sc_module::operator () (const sc_bind_proxy &p001,
119                        const sc_bind_proxy &p002,
120                        const sc_bind_proxy &p003,
121                        const sc_bind_proxy &p004,
122                        const sc_bind_proxy &p005,
123                        const sc_bind_proxy &p006,
124                        const sc_bind_proxy &p007,
125                        const sc_bind_proxy &p008,
126                        const sc_bind_proxy &p009,
127                        const sc_bind_proxy &p010,
128                        const sc_bind_proxy &p011,
129                        const sc_bind_proxy &p012,
130                        const sc_bind_proxy &p013,
131                        const sc_bind_proxy &p014,
132                        const sc_bind_proxy &p015,
133                        const sc_bind_proxy &p016,
134                        const sc_bind_proxy &p017,
135                        const sc_bind_proxy &p018,
136                        const sc_bind_proxy &p019,
137                        const sc_bind_proxy &p020,
138                        const sc_bind_proxy &p021,
139                        const sc_bind_proxy &p022,
140                        const sc_bind_proxy &p023,
141                        const sc_bind_proxy &p024,
142                        const sc_bind_proxy &p025,
143                        const sc_bind_proxy &p026,
144                        const sc_bind_proxy &p027,
145                        const sc_bind_proxy &p028,
146                        const sc_bind_proxy &p029,
147                        const sc_bind_proxy &p030,
148                        const sc_bind_proxy &p031,
149                        const sc_bind_proxy &p032,
150                        const sc_bind_proxy &p033,
151                        const sc_bind_proxy &p034,
152                        const sc_bind_proxy &p035,
153                        const sc_bind_proxy &p036,
154                        const sc_bind_proxy &p037,
155                        const sc_bind_proxy &p038,
156                        const sc_bind_proxy &p039,
157                        const sc_bind_proxy &p040,
158                        const sc_bind_proxy &p041,
159                        const sc_bind_proxy &p042,
160                        const sc_bind_proxy &p043,
161                        const sc_bind_proxy &p044,
162                        const sc_bind_proxy &p045,
163                        const sc_bind_proxy &p046,
164                        const sc_bind_proxy &p047,
165                        const sc_bind_proxy &p048,
166                        const sc_bind_proxy &p049,
167                        const sc_bind_proxy &p050,
168                        const sc_bind_proxy &p051,
169                        const sc_bind_proxy &p052,
170                        const sc_bind_proxy &p053,
171                        const sc_bind_proxy &p054,
172                        const sc_bind_proxy &p055,
173                        const sc_bind_proxy &p056,
174                        const sc_bind_proxy &p057,
175                        const sc_bind_proxy &p058,
176                        const sc_bind_proxy &p059,
177                        const sc_bind_proxy &p060,
178                        const sc_bind_proxy &p061,
179                        const sc_bind_proxy &p062,
180                        const sc_bind_proxy &p063,
181                        const sc_bind_proxy &p064)
182{
183    std::vector<const ::sc_core::sc_bind_proxy *> proxies;
184    auto insert = [&proxies](const ::sc_core::sc_bind_proxy &p) -> bool {
185        if (!p.port() && !p.interface())
186            return false;
187        proxies.push_back(&p);
188        return true;
189    };
190    insert(p001) && insert(p002) && insert(p003) && insert(p004) &&
191    insert(p005) && insert(p006) && insert(p007) && insert(p008) &&
192    insert(p009) && insert(p010) && insert(p011) && insert(p012) &&
193    insert(p013) && insert(p014) && insert(p015) && insert(p016) &&
194    insert(p017) && insert(p018) && insert(p019) && insert(p020) &&
195    insert(p021) && insert(p022) && insert(p023) && insert(p024) &&
196    insert(p025) && insert(p026) && insert(p027) && insert(p028) &&
197    insert(p029) && insert(p030) && insert(p031) && insert(p032) &&
198    insert(p033) && insert(p034) && insert(p035) && insert(p036) &&
199    insert(p037) && insert(p038) && insert(p039) && insert(p040) &&
200    insert(p041) && insert(p042) && insert(p043) && insert(p044) &&
201    insert(p045) && insert(p046) && insert(p047) && insert(p048) &&
202    insert(p049) && insert(p050) && insert(p051) && insert(p052) &&
203    insert(p053) && insert(p054) && insert(p055) && insert(p056) &&
204    insert(p057) && insert(p058) && insert(p059) && insert(p060) &&
205    insert(p061) && insert(p062) && insert(p063) && insert(p064);
206    _gem5_module->bindPorts(proxies);
207}
208
209const std::vector<sc_object *> &
210sc_module::get_child_objects() const
211{
212    return _gem5_module->obj()->get_child_objects();
213}
214
215const std::vector<sc_event *> &
216sc_module::get_child_events() const
217{
218    return _gem5_module->obj()->get_child_events();
219}
220
221sc_module::sc_module() :
222    sc_object(sc_gem5::newModuleChecked()->name()),
223    _gem5_module(sc_gem5::currentModule())
224{}
225
226sc_module::sc_module(const sc_module_name &) : sc_module() {}
227sc_module::sc_module(const char *_name) : sc_module(sc_module_name(_name))
228{
229    _gem5_module->deprecatedConstructor();
230    SC_REPORT_WARNING("(W569) sc_module(const char*), "
231            "sc_module(const std::string&) have been deprecated, use "
232            "sc_module(const sc_module_name&)", _name);
233}
234sc_module::sc_module(const std::string &_name) :
235    sc_module(sc_module_name(_name.c_str()))
236{
237    _gem5_module->deprecatedConstructor();
238    SC_REPORT_WARNING("(W569) sc_module(const char*), "
239            "sc_module(const std::string&) have been deprecated, use "
240            "sc_module(const sc_module_name&)", _name.c_str());
241}
242
243void
244sc_module::end_module()
245{
246    _gem5_module->endModule();
247}
248
249void
250sc_module::reset_signal_is(const sc_in<bool> &port, bool val)
251{
252    sc_gem5::newResetSensitivityPort(
253            ::sc_gem5::Process::newest(), &port, val, true);
254}
255
256void
257sc_module::reset_signal_is(const sc_inout<bool> &port, bool val)
258{
259    sc_gem5::newResetSensitivityPort(
260            ::sc_gem5::Process::newest(), &port, val, true);
261}
262
263void
264sc_module::reset_signal_is(const sc_out<bool> &port, bool val)
265{
266    sc_gem5::newResetSensitivityPort(
267            ::sc_gem5::Process::newest(), &port, val, true);
268}
269
270void
271sc_module::reset_signal_is(const sc_signal_in_if<bool> &signal, bool val)
272{
273    sc_gem5::newResetSensitivitySignal(
274            ::sc_gem5::Process::newest(), &signal, val, true);
275}
276
277
278void
279sc_module::async_reset_signal_is(const sc_in<bool> &port, bool val)
280{
281    sc_gem5::newResetSensitivityPort(
282            ::sc_gem5::Process::newest(), &port, val, false);
283}
284
285void
286sc_module::async_reset_signal_is(const sc_inout<bool> &port, bool val)
287{
288    sc_gem5::newResetSensitivityPort(
289            ::sc_gem5::Process::newest(), &port, val, false);
290}
291
292void
293sc_module::async_reset_signal_is(const sc_out<bool> &port, bool val)
294{
295    sc_gem5::newResetSensitivityPort(
296            ::sc_gem5::Process::newest(), &port, val, false);
297}
298
299void
300sc_module::async_reset_signal_is(const sc_signal_in_if<bool> &signal, bool val)
301{
302    sc_gem5::newResetSensitivitySignal(
303            ::sc_gem5::Process::newest(), &signal, val, false);
304}
305
306
307void
308sc_module::dont_initialize()
309{
310    ::sc_gem5::Process::newest()->dontInitialize(true);
311}
312
313void
314sc_module::set_stack_size(size_t size)
315{
316    ::sc_gem5::Process::newest()->setStackSize(size);
317}
318
319
320void sc_module::next_trigger() { ::sc_core::next_trigger(); }
321
322void
323sc_module::next_trigger(const sc_event &e)
324{
325    ::sc_core::next_trigger(e);
326}
327
328void
329sc_module::next_trigger(const sc_event_or_list &eol)
330{
331    ::sc_core::next_trigger(eol);
332}
333
334void
335sc_module::next_trigger(const sc_event_and_list &eal)
336{
337    ::sc_core::next_trigger(eal);
338}
339
340void
341sc_module::next_trigger(const sc_time &t)
342{
343    ::sc_core::next_trigger(t);
344}
345
346void
347sc_module::next_trigger(double d, sc_time_unit u)
348{
349    ::sc_core::next_trigger(d, u);
350}
351
352void
353sc_module::next_trigger(const sc_time &t, const sc_event &e)
354{
355    ::sc_core::next_trigger(t, e);
356}
357
358void
359sc_module::next_trigger(double d, sc_time_unit u, const sc_event &e)
360{
361    ::sc_core::next_trigger(d, u, e);
362}
363
364void
365sc_module::next_trigger(const sc_time &t, const sc_event_or_list &eol)
366{
367    ::sc_core::next_trigger(t, eol);
368}
369
370void
371sc_module::next_trigger(double d, sc_time_unit u, const sc_event_or_list &eol)
372{
373    ::sc_core::next_trigger(d, u, eol);
374}
375
376void
377sc_module::next_trigger(const sc_time &t, const sc_event_and_list &eal)
378{
379    ::sc_core::next_trigger(t, eal);
380}
381
382void
383sc_module::next_trigger(double d, sc_time_unit u, const sc_event_and_list &eal)
384{
385    ::sc_core::next_trigger(d, u, eal);
386}
387
388
389bool
390sc_module::timed_out()
391{
392    return ::sc_core::timed_out();
393}
394
395
396void
397sc_module::wait()
398{
399    ::sc_core::wait();
400}
401
402void
403sc_module::wait(int i)
404{
405    ::sc_core::wait(i);
406}
407
408void
409sc_module::wait(const sc_event &e)
410{
411    ::sc_core::wait(e);
412}
413
414void
415sc_module::wait(const sc_event_or_list &eol)
416{
417    ::sc_core::wait(eol);
418}
419
420void
421sc_module::wait(const sc_event_and_list &eal)
422{
423    ::sc_core::wait(eal);
424}
425
426void
427sc_module::wait(const sc_time &t)
428{
429    ::sc_core::wait(t);
430}
431
432void
433sc_module::wait(double d, sc_time_unit u)
434{
435    ::sc_core::wait(d, u);
436}
437
438void
439sc_module::wait(const sc_time &t, const sc_event &e)
440{
441    ::sc_core::wait(t, e);
442}
443
444void
445sc_module::wait(double d, sc_time_unit u, const sc_event &e)
446{
447    ::sc_core::wait(d, u, e);
448}
449
450void
451sc_module::wait(const sc_time &t, const sc_event_or_list &eol)
452{
453    ::sc_core::wait(t, eol);
454}
455
456void
457sc_module::wait(double d, sc_time_unit u, const sc_event_or_list &eol)
458{
459    ::sc_core::wait(d, u, eol);
460}
461
462void
463sc_module::wait(const sc_time &t, const sc_event_and_list &eal)
464{
465    ::sc_core::wait(t, eal);
466}
467
468void
469sc_module::wait(double d, sc_time_unit u, const sc_event_and_list &eal)
470{
471    ::sc_core::wait(d, u, eal);
472}
473
474
475void
476sc_module::halt()
477{
478    ::sc_core::halt();
479}
480
481void
482sc_module::at_posedge(const sc_signal_in_if<bool> &s)
483{
484    ::sc_core::at_posedge(s);
485}
486
487void
488sc_module::at_posedge(const sc_signal_in_if<sc_dt::sc_logic> &s)
489{
490    ::sc_core::at_posedge(s);
491}
492
493void
494sc_module::at_negedge(const sc_signal_in_if<bool> &s)
495{
496    ::sc_core::at_negedge(s);
497}
498
499void
500sc_module::at_negedge(const sc_signal_in_if<sc_dt::sc_logic> &s)
501{
502    ::sc_core::at_negedge(s);
503}
504
505
506void
507next_trigger()
508{
509    sc_gem5::Process *p = sc_gem5::scheduler.current();
510    p->cancelTimeout();
511    p->clearDynamic();
512}
513
514void
515next_trigger(const sc_event &e)
516{
517    sc_gem5::Process *p = sc_gem5::scheduler.current();
518    p->cancelTimeout();
519    ::sc_gem5::newDynamicSensitivityEvent(p, &e);
520}
521
522void
523next_trigger(const sc_event_or_list &eol)
524{
525    sc_gem5::Process *p = sc_gem5::scheduler.current();
526    p->cancelTimeout();
527    ::sc_gem5::newDynamicSensitivityEventOrList(p, &eol);
528}
529
530void
531next_trigger(const sc_event_and_list &eal)
532{
533    sc_gem5::Process *p = sc_gem5::scheduler.current();
534    p->cancelTimeout();
535    ::sc_gem5::newDynamicSensitivityEventAndList(p, &eal);
536}
537
538void
539next_trigger(const sc_time &t)
540{
541    sc_gem5::Process *p = sc_gem5::scheduler.current();
542    p->setTimeout(t);
543    p->clearDynamic();
544}
545
546void
547next_trigger(double d, sc_time_unit u)
548{
549    next_trigger(sc_time(d, u));
550}
551
552void
553next_trigger(const sc_time &t, const sc_event &e)
554{
555    sc_gem5::Process *p = sc_gem5::scheduler.current();
556    p->setTimeout(t);
557    ::sc_gem5::newDynamicSensitivityEvent(p, &e);
558}
559
560void
561next_trigger(double d, sc_time_unit u, const sc_event &e)
562{
563    next_trigger(sc_time(d, u), e);
564}
565
566void
567next_trigger(const sc_time &t, const sc_event_or_list &eol)
568{
569    sc_gem5::Process *p = sc_gem5::scheduler.current();
570    p->setTimeout(t);
571    ::sc_gem5::newDynamicSensitivityEventOrList(p, &eol);
572}
573
574void
575next_trigger(double d, sc_time_unit u, const sc_event_or_list &eol)
576{
577    next_trigger(sc_time(d, u), eol);
578}
579
580void
581next_trigger(const sc_time &t, const sc_event_and_list &eal)
582{
583    sc_gem5::Process *p = sc_gem5::scheduler.current();
584    p->setTimeout(t);
585    ::sc_gem5::newDynamicSensitivityEventAndList(p, &eal);
586}
587
588void
589next_trigger(double d, sc_time_unit u, const sc_event_and_list &eal)
590{
591    next_trigger(sc_time(d, u), eal);
592}
593
594bool
595timed_out()
596{
597    ::sc_gem5::Process *p = sc_gem5::scheduler.current();
598    if (!p)
599        return false;
600    else
601        return p->timedOut();
602}
603
604
605namespace
606{
607
608bool
609waitErrorCheck(sc_gem5::Process *p)
610{
611    if (p->procKind() == SC_METHOD_PROC_) {
612        SC_REPORT_ERROR(
613                "(E519) wait() is only allowed in SC_THREADs and SC_CTHREADs",
614                "\n        in SC_METHODs use next_trigger() instead");
615        return true;
616    }
617    return false;
618}
619
620} // anonymous namespace
621
622void
623wait()
624{
625    sc_gem5::Process *p = sc_gem5::scheduler.current();
626    if (waitErrorCheck(p))
627        return;
628    p->cancelTimeout();
629    p->clearDynamic();
630    sc_gem5::scheduler.yield();
631}
632
633void
634wait(int n)
635{
636    if (n <= 0) {
637        std::string msg = csprintf("n = %d", n);
638        SC_REPORT_ERROR("(E525) wait(n) is only valid for n > 0", msg.c_str());
639    }
640    sc_gem5::Process *p = sc_gem5::scheduler.current();
641    p->waitCount(n - 1);
642    wait();
643}
644
645void
646wait(const sc_event &e)
647{
648    sc_gem5::Process *p = sc_gem5::scheduler.current();
649    if (waitErrorCheck(p))
650        return;
651    p->cancelTimeout();
652    ::sc_gem5::newDynamicSensitivityEvent(p, &e);
653    sc_gem5::scheduler.yield();
654}
655
656void
657wait(const sc_event_or_list &eol)
658{
659    sc_gem5::Process *p = sc_gem5::scheduler.current();
660    if (waitErrorCheck(p))
661        return;
662    p->cancelTimeout();
663    ::sc_gem5::newDynamicSensitivityEventOrList(p, &eol);
664    sc_gem5::scheduler.yield();
665}
666
667void
668wait(const sc_event_and_list &eal)
669{
670    sc_gem5::Process *p = sc_gem5::scheduler.current();
671    if (waitErrorCheck(p))
672        return;
673    p->cancelTimeout();
674    ::sc_gem5::newDynamicSensitivityEventAndList(p, &eal);
675    sc_gem5::scheduler.yield();
676}
677
678void
679wait(const sc_time &t)
680{
681    sc_gem5::Process *p = sc_gem5::scheduler.current();
682    if (waitErrorCheck(p))
683        return;
684    p->setTimeout(t);
685    p->clearDynamic();
686    sc_gem5::scheduler.yield();
687}
688
689void
690wait(double d, sc_time_unit u)
691{
692    wait(sc_time(d, u));
693}
694
695void
696wait(const sc_time &t, const sc_event &e)
697{
698    sc_gem5::Process *p = sc_gem5::scheduler.current();
699    if (waitErrorCheck(p))
700        return;
701    p->setTimeout(t);
702    ::sc_gem5::newDynamicSensitivityEvent(p, &e);
703    sc_gem5::scheduler.yield();
704}
705
706void
707wait(double d, sc_time_unit u, const sc_event &e)
708{
709    wait(sc_time(d, u), e);
710}
711
712void
713wait(const sc_time &t, const sc_event_or_list &eol)
714{
715    sc_gem5::Process *p = sc_gem5::scheduler.current();
716    if (waitErrorCheck(p))
717        return;
718    p->setTimeout(t);
719    ::sc_gem5::newDynamicSensitivityEventOrList(p, &eol);
720    sc_gem5::scheduler.yield();
721}
722
723void
724wait(double d, sc_time_unit u, const sc_event_or_list &eol)
725{
726    wait(sc_time(d, u), eol);
727}
728
729void
730wait(const sc_time &t, const sc_event_and_list &eal)
731{
732    sc_gem5::Process *p = sc_gem5::scheduler.current();
733    if (waitErrorCheck(p))
734        return;
735    p->setTimeout(t);
736    ::sc_gem5::newDynamicSensitivityEventAndList(p, &eal);
737    sc_gem5::scheduler.yield();
738}
739
740void
741wait(double d, sc_time_unit u, const sc_event_and_list &eal)
742{
743    wait(sc_time(d, u), eal);
744}
745
746void
747halt()
748{
749    ::sc_core::wait();
750    throw ::sc_gem5::ScHalt();
751}
752
753void
754at_posedge(const sc_signal_in_if<bool> &s)
755{
756    while (s.read())
757        wait();
758    while (!s.read())
759        wait();
760}
761
762void
763at_posedge(const sc_signal_in_if<sc_dt::sc_logic> &s)
764{
765    while (s.read() == sc_dt::Log_1)
766        wait();
767    while (s.read() == sc_dt::Log_0)
768        wait();
769}
770
771void
772at_negedge(const sc_signal_in_if<bool> &s)
773{
774    while (!s.read())
775        wait();
776    while (s.read())
777        wait();
778}
779
780void
781at_negedge(const sc_signal_in_if<sc_dt::sc_logic> &s)
782{
783    while (s.read() == sc_dt::Log_0)
784        wait();
785    while (s.read() == sc_dt::Log_1)
786        wait();
787}
788
789const char *
790sc_gen_unique_name(const char *seed)
791{
792    auto mod = sc_gem5::pickParentModule();
793    return mod ? mod->uniqueName(seed) :
794        ::sc_gem5::nameGen.gen(seed);
795}
796
797bool
798sc_hierarchical_name_exists(const char *name)
799{
800    return sc_gem5::findEvent(name) != sc_gem5::allEvents.end() ||
801        ::sc_gem5::findObject(name, sc_gem5::allObjects);
802}
803
804bool
805sc_start_of_simulation_invoked()
806{
807    return ::sc_gem5::kernel->startOfSimulationComplete();
808}
809
810bool
811sc_end_of_simulation_invoked()
812{
813    return ::sc_gem5::kernel->endOfSimulationComplete();
814}
815
816sc_module *
817sc_module_sc_new(sc_module *mod)
818{
819    static std::vector<std::unique_ptr<sc_module> > modules;
820    modules.emplace_back(mod);
821    return mod;
822}
823
824} // namespace sc_core
825