sc_clock.cc (13180:79e680f62779) sc_clock.cc (13190:81aeb0a8947c)
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

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41namespace sc_gem5
42{
43
44class ClockTick : public ScEvent
45{
46 private:
47 ::sc_core::sc_clock *clock;
48 ::sc_core::sc_time _period;
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

--- 32 unchanged lines hidden (view full) ---

41namespace sc_gem5
42{
43
44class ClockTick : public ScEvent
45{
46 private:
47 ::sc_core::sc_clock *clock;
48 ::sc_core::sc_time _period;
49 std::string _name;
49 std::string name;
50 Process *p;
51 ProcessMemberFuncWrapper<::sc_core::sc_clock> funcWrapper;
50 Process *p;
51 ProcessMemberFuncWrapper<::sc_core::sc_clock> funcWrapper;
52 std::string _procName;
53
54 public:
55 ClockTick(::sc_core::sc_clock *clock, bool to,
56 ::sc_core::sc_time _period) :
57 ScEvent([this]() { tick(); }),
52
53 public:
54 ClockTick(::sc_core::sc_clock *clock, bool to,
55 ::sc_core::sc_time _period) :
56 ScEvent([this]() { tick(); }),
58 clock(clock), _period(_period), _name(clock->name()),
57 clock(clock), _period(_period), name(clock->basename()), p(nullptr),
59 funcWrapper(clock, to ? &::sc_core::sc_clock::tickUp :
60 &::sc_core::sc_clock::tickDown)
61 {
58 funcWrapper(clock, to ? &::sc_core::sc_clock::tickUp :
59 &::sc_core::sc_clock::tickDown)
60 {
62 _name += (to ? ".up_tick" : ".down_tick");
63 _procName = _name + ".p";
64 p = new Method(_procName.c_str(), &funcWrapper, true);
61 name += std::string(to ? "_posedge_action" : "_negedge_action");
62 name = ::sc_core::sc_gen_unique_name(name.c_str());
63 }
64
65 void
66 createProcess()
67 {
68 p = new Method(name.c_str(), &funcWrapper, true);
65 scheduler.reg(p);
66 scheduler.dontInitialize(p);
67 }
68
69 ~ClockTick()
70 {
71 if (scheduled())
72 scheduler.deschedule(this);
69 scheduler.reg(p);
70 scheduler.dontInitialize(p);
71 }
72
73 ~ClockTick()
74 {
75 if (scheduled())
76 scheduler.deschedule(this);
73 p->popListNode();
77 if (p)
78 p->popListNode();
74 }
75
76 void
77 tick()
78 {
79 scheduler.schedule(this, _period);
80 p->ready();
81 }

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151{
152 warn("%s not implemented.\n", __PRETTY_FUNCTION__);
153 return *(const sc_time *)nullptr;
154}
155
156void
157sc_clock::before_end_of_elaboration()
158{
79 }
80
81 void
82 tick()
83 {
84 scheduler.schedule(this, _period);
85 p->ready();
86 }

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156{
157 warn("%s not implemented.\n", __PRETTY_FUNCTION__);
158 return *(const sc_time *)nullptr;
159}
160
161void
162sc_clock::before_end_of_elaboration()
163{
164 _gem5UpEdge->createProcess();
165 _gem5DownEdge->createProcess();
159 if (_posedgeFirst) {
160 ::sc_gem5::scheduler.schedule(_gem5UpEdge, _startTime);
161 ::sc_gem5::scheduler.schedule(_gem5DownEdge,
162 _startTime + _period * _dutyCycle);
163 } else {
164 ::sc_gem5::scheduler.schedule(_gem5DownEdge, _startTime);
165 ::sc_gem5::scheduler.schedule(_gem5UpEdge,
166 _startTime + _period * (1.0 - _dutyCycle));
167 }
168}
169
170} // namespace sc_core
166 if (_posedgeFirst) {
167 ::sc_gem5::scheduler.schedule(_gem5UpEdge, _startTime);
168 ::sc_gem5::scheduler.schedule(_gem5DownEdge,
169 _startTime + _period * _dutyCycle);
170 } else {
171 ::sc_gem5::scheduler.schedule(_gem5DownEdge, _startTime);
172 ::sc_gem5::scheduler.schedule(_gem5UpEdge,
173 _startTime + _period * (1.0 - _dutyCycle));
174 }
175}
176
177} // namespace sc_core