5380ddd83960051308849d1a1693126176f028f3
2 * Copyright (c) 2013 ARM Limited
5 * The license below extends only to copyright in the software and shall
6 * not be construed as granting a license to any other intellectual
7 * property including but not limited to intellectual property relating
8 * to a hardware implementation of the functionality of the software
9 * licensed hereunder. You may use the software subject to the license
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11 * unmodified and in its entirety in all distributions of the software,
12 * modified or unmodified, in source code or in binary form.
14 * Copyright (c) 2002-2005 The Regents of The University of Michigan
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18 * modification, are permitted provided that the following conditions are
19 * met: redistributions of source code must retain the above copyright
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21 * redistributions in binary form must reproduce the above copyright
22 * notice, this list of conditions and the following disclaimer in the
23 * documentation and/or other materials provided with the distribution;
24 * neither the name of the copyright holders nor the names of its
25 * contributors may be used to endorse or promote products derived from
26 * this software without specific prior written permission.
28 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
29 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
30 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
31 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
32 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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34 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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38 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
40 * Authors: Nathan Binkert
45 #include "base/callback.hh"
46 #include "base/hostinfo.hh"
47 #include "sim/eventq_impl.hh"
48 #include "sim/sim_events.hh"
49 #include "sim/sim_exit.hh"
50 #include "sim/stats.hh"
54 SimLoopExitEvent::SimLoopExitEvent()
55 : Event(Sim_Exit_Pri
, IsExitEvent
| AutoSerialize
),
56 cause(""), code(0), repeat(0)
60 SimLoopExitEvent::SimLoopExitEvent(const std::string
&_cause
, int c
, Tick r
,
62 : Event(Sim_Exit_Pri
, IsExitEvent
| (serialize
? AutoSerialize
: 0)),
63 cause(_cause
), code(c
), repeat(r
)
69 // handle termination event
72 SimLoopExitEvent::process()
74 // if this got scheduled on a different queue (e.g. the committed
75 // instruction queue) then make a corresponding event on the main
77 if (!isFlagSet(IsMainQueue
)) {
78 exitSimLoop(cause
, code
);
82 // otherwise do nothing... the IsExitEvent flag takes care of
83 // exiting the simulation loop and returning this object to Python
85 // but if you are doing this on intervals, don't forget to make another
87 assert(isFlagSet(IsMainQueue
));
88 mainEventQueue
.schedule(this, curTick() + repeat
);
94 SimLoopExitEvent::description() const
96 return "simulation loop exit";
100 SimLoopExitEvent::serialize(ostream
&os
)
102 paramOut(os
, "type", string("SimLoopExitEvent"));
103 Event::serialize(os
);
105 SERIALIZE_SCALAR(cause
);
106 SERIALIZE_SCALAR(code
);
107 SERIALIZE_SCALAR(repeat
);
111 SimLoopExitEvent::unserialize(Checkpoint
*cp
, const string
§ion
)
113 Event::unserialize(cp
, section
);
115 UNSERIALIZE_SCALAR(cause
);
116 UNSERIALIZE_SCALAR(code
);
117 UNSERIALIZE_SCALAR(repeat
);
121 SimLoopExitEvent::createForUnserialize(Checkpoint
*cp
, const string
§ion
)
123 return new SimLoopExitEvent();
126 REGISTER_SERIALIZEABLE("SimLoopExitEvent", SimLoopExitEvent
)
129 exitSimLoop(const std::string
&message
, int exit_code
, Tick when
, Tick repeat
,
132 Event
*event
= new SimLoopExitEvent(message
, exit_code
, repeat
, serialize
);
133 mainEventQueue
.schedule(event
, when
);
137 // constructor: automatically schedules at specified time
139 CountedExitEvent::CountedExitEvent(const std::string
&_cause
, int &counter
)
140 : Event(Sim_Exit_Pri
), cause(_cause
), downCounter(counter
)
142 // catch stupid mistakes
143 assert(downCounter
> 0);
148 // handle termination event
151 CountedExitEvent::process()
153 if (--downCounter
== 0) {
154 exitSimLoop(cause
, 0);
160 CountedExitEvent::description() const
162 return "counted exit";