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/*
* Copyright 2018 Google, Inc.
*
* 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: Gabe Black
*/
#include "params/Gem5_Feeder.hh"
#include "sim/sim_exit.hh"
#include "systemc_simple_object/feeder.hh"
Feeder::Feeder(Gem5_FeederParams *params) :
SimObject(params), printer(params->printer), delay(params->delay),
strings(params->strings), index(0), event(this)
{
// Bind the printer objects "input" port to our sc_buffer. This will let
// us feed it values. If some other object was responsible for the
// sc_buffer, we could interact with it directly and not have built it
// ourselves.
//
// Alternatively Printer could define a normal c++ method which we could
// call to feed it words without involving any systemc specific classes.
printer->input(buf);
}
void
Feeder::startup()
{
schedule(&event, curTick() + delay);
}
void
Feeder::feed()
{
if (index >= strings.size())
exitSimLoop("Printed all the words.");
else
buf.write(strings[index++].c_str());
schedule(&event, curTick() + delay);
}
Feeder *
Gem5_FeederParams::create()
{
return new Feeder(this);
}
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