2 * Copyright (c) 2002-2005 The Regents of The University of Michigan
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6 * modification, are permitted provided that the following conditions are
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14 * this software without specific prior written permission.
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 * Authors: Nathan Binkert
33 #include "base/callback.hh"
34 #include "base/hostinfo.hh"
35 #include "sim/eventq.hh"
36 #include "sim/sim_events.hh"
37 #include "sim/sim_exit.hh"
38 #include "sim/stats.hh"
42 SimLoopExitEvent::SimLoopExitEvent(const std::string
&_cause
, int c
, Tick r
)
43 : Event(Sim_Exit_Pri
), cause(_cause
), code(c
), repeat(r
)
45 setFlags(IsExitEvent
);
50 // handle termination event
53 SimLoopExitEvent::process()
55 // if this got scheduled on a different queue (e.g. the committed
56 // instruction queue) then make a corresponding event on the main
58 if (!getFlags(IsMainQueue
)) {
59 exitSimLoop(cause
, code
);
63 // otherwise do nothing... the IsExitEvent flag takes care of
64 // exiting the simulation loop and returning this object to Python
66 // but if you are doing this on intervals, don't forget to make another
68 assert(getFlags(IsMainQueue
));
69 mainEventQueue
.schedule(this, curTick() + repeat
);
75 SimLoopExitEvent::description() const
77 return "simulation loop exit";
81 exitSimLoop(const std::string
&message
, int exit_code
, Tick when
, Tick repeat
)
83 Event
*event
= new SimLoopExitEvent(message
, exit_code
, repeat
);
84 mainEventQueue
.schedule(event
, when
);
87 CountedDrainEvent::CountedDrainEvent()
92 CountedDrainEvent::process()
95 exitSimLoop("Finished drain", 0);
99 // constructor: automatically schedules at specified time
101 CountedExitEvent::CountedExitEvent(const std::string
&_cause
, int &counter
)
102 : Event(Sim_Exit_Pri
), cause(_cause
), downCounter(counter
)
104 // catch stupid mistakes
105 assert(downCounter
> 0);
110 // handle termination event
113 CountedExitEvent::process()
115 if (--downCounter
== 0) {
116 exitSimLoop(cause
, 0);
122 CountedExitEvent::description() const
124 return "counted exit";