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Diffstat (limited to 'src/learning_gem5/part2/hello_object.cc')
-rw-r--r-- | src/learning_gem5/part2/hello_object.cc | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/src/learning_gem5/part2/hello_object.cc b/src/learning_gem5/part2/hello_object.cc new file mode 100644 index 000000000..b52a4cef7 --- /dev/null +++ b/src/learning_gem5/part2/hello_object.cc @@ -0,0 +1,77 @@ +/* + * 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); +} |