Files
DRAMSys/DRAMSys/library/src/controller/respqueue/RespQueueReorder.cpp
2020-04-03 16:30:30 +02:00

75 lines
2.6 KiB
C++

/*
* Copyright (c) 2019, University of Kaiserslautern
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. 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.
*
* 3. Neither the name of the copyright holder 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 HOLDER
* 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.
*
* Author: Lukas Steiner
*/
#include "RespQueueReorder.h"
#include "../../common/dramExtensions.h"
using namespace tlm;
void RespQueueReorder::insertPayload(tlm_generic_payload *payload, sc_time strobeEnd)
{
buffer[DramExtension::getPayloadID(payload)] = {payload, strobeEnd};
}
tlm_generic_payload *RespQueueReorder::nextPayload()
{
if (!buffer.empty())
{
if (buffer.begin()->first == currentPayloadID)
{
std::pair<tlm_generic_payload *, sc_time> element = buffer.begin()->second;
if (element.second <= sc_time_stamp())
{
buffer.erase(currentPayloadID++);
return element.first;
}
}
}
return nullptr;
}
sc_time RespQueueReorder::getTriggerTime() const
{
if (!buffer.empty())
{
if (buffer.begin()->first == currentPayloadID)
{
sc_time triggerTime = buffer.begin()->second.second;
if (triggerTime > sc_time_stamp())
return triggerTime;
}
}
return sc_max_time();
}