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/*
* Copyright (c) 2017 Jason Lowe-Power
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer;
* redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution;
* neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Authors: Jason Lowe-Power
*/
#include "learning_gem5/part2/hello_object.hh"
#include "base/misc.hh"
#include "debug/HelloExample.hh"
HelloObject::HelloObject(HelloObjectParams *params) :
SimObject(params),
// This is a C++ lambda. When the event is triggered, it will call the
// processEvent() function. (this must be captured)
event([this]{ processEvent(); }, name() + ".event"),
goodbye(params->goodbye_object),
// Note: This is not needed as you can *always* reference this->name()
myName(params->name),
latency(params->time_to_wait),
timesLeft(params->number_of_fires)
{
DPRINTF(HelloExample, "Created the hello object\n");
panic_if(!goodbye, "HelloObject must have a non-null GoodbyeObject");
}
void
HelloObject::startup()
{
// Before simulation starts, we need to schedule the event
schedule(event, latency);
}
void
HelloObject::processEvent()
{
timesLeft--;
DPRINTF(HelloExample, "Hello world! Processing the event! %d left\n",
timesLeft);
if (timesLeft <= 0) {
DPRINTF(HelloExample, "Done firing!\n");
goodbye->sayGoodbye(myName);
} else {
schedule(event, curTick() + latency);
}
}
HelloObject*
HelloObjectParams::create()
{
return new HelloObject(this);
}
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