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/* Copyright (c) 2012 Massachusetts Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "model/timing_graph/ElectricalTimingOptimizer.h"
#include "model/PortInfo.h"
#include "model/ModelGen.h"
#include "model/std_cells/StdCell.h"
#include "model/std_cells/StdCellLib.h"
#include "model/timing_graph/ElectricalNet.h"
#include "model/timing_graph/ElectricalTimingTree.h"
namespace DSENT
{
ElectricalTimingOptimizer::ElectricalTimingOptimizer(const String& instance_name_, const TechModel* tech_model_)
: ElectricalModel(instance_name_, tech_model_), m_model_(NULL)
{}
ElectricalTimingOptimizer::~ElectricalTimingOptimizer()
{}
void ElectricalTimingOptimizer::setModel(ElectricalModel* model_)
{
m_model_ = model_;
return;
}
ElectricalModel* ElectricalTimingOptimizer::getModel()
{
return m_model_;
}
void ElectricalTimingOptimizer::constructModel()
{
if(getModel() == NULL)
{
return;
}
const Map<PortInfo*>* port_info = getModel()->getInputs();
Map<PortInfo*>::ConstIterator it_begin = port_info->begin();
Map<PortInfo*>::ConstIterator it_end = port_info->end();
Map<PortInfo*>::ConstIterator it;
for(it = it_begin; it != it_end; ++it)
{
const String& port_name = it->first;
const PortInfo* port_info = it->second;
StdCell* inv0 = getTechModel()->getStdCellLib()->createStdCell("INV", port_name + "Driver0");
inv0->construct();
StdCell* inv1 = getTechModel()->getStdCellLib()->createStdCell("INV", port_name + "Driver1");
inv1->construct();
addSubInstances(inv0, 1.0);
addSubInstances(inv1, 1.0);
createInputPort(port_name, port_info->getNetIndex());
createNet(port_name + "Driver0In");
createNet(port_name + "Driver0Out");
createNet(port_name + "Driver1Out");
assignVirtualFanin(port_name + "Driver0In", port_name);
portConnect(inv0, "A", port_name + "Driver0In");
portConnect(inv0, "Y", port_name + "Driver0Out");
portConnect(inv1, "A", port_name + "Driver0Out");
portConnect(inv1, "Y", port_name + "Driver1Out");
createNet(port_name + "In", port_info->getNetIndex());
assignVirtualFanout(port_name + "In", port_name + "Driver1Out");
portConnect(getModel(), port_name, port_name + "In");
}
return;
}
}// namespace DSENT
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