ElectricalTimingOptimizer.cc revision 10447:a465576671d4 
1#include "model/timing_graph/ElectricalTimingOptimizer.h"
2
3#include "model/PortInfo.h"
4#include "model/ModelGen.h"
5#include "model/std_cells/StdCell.h"
6#include "model/std_cells/StdCellLib.h"
7#include "model/timing_graph/ElectricalNet.h"
8#include "model/timing_graph/ElectricalTimingTree.h"
9
10namespace DSENT
11{
12    ElectricalTimingOptimizer::ElectricalTimingOptimizer(const String& instance_name_, const TechModel* tech_model_)
13        : ElectricalModel(instance_name_, tech_model_), m_model_(NULL)
14    {}
15
16    ElectricalTimingOptimizer::~ElectricalTimingOptimizer()
17    {}
18
19    void ElectricalTimingOptimizer::setModel(ElectricalModel* model_)
20    {
21        m_model_ = model_;
22        return;
23    }
24
25    ElectricalModel* ElectricalTimingOptimizer::getModel()
26    {
27        return m_model_;
28    }
29
30    void ElectricalTimingOptimizer::constructModel()
31    {
32        if(getModel() == NULL)
33        {
34            return;
35        }
36
37        const Map<PortInfo*>* port_info = getModel()->getInputs();
38        Map<PortInfo*>::ConstIterator it_begin = port_info->begin();
39        Map<PortInfo*>::ConstIterator it_end = port_info->end();
40        Map<PortInfo*>::ConstIterator it;
41
42        for(it = it_begin; it != it_end; ++it)
43        {
44            const String& port_name = it->first;
45            const PortInfo* port_info = it->second;
46            StdCell* inv0 = getTechModel()->getStdCellLib()->createStdCell("INV", port_name + "Driver0");
47            inv0->construct();
48            StdCell* inv1 = getTechModel()->getStdCellLib()->createStdCell("INV", port_name + "Driver1");
49            inv1->construct();
50
51            addSubInstances(inv0, 1.0);
52            addSubInstances(inv1, 1.0);
53
54            createInputPort(port_name, port_info->getNetIndex());
55            createNet(port_name + "Driver0In");
56            createNet(port_name + "Driver0Out");
57            createNet(port_name + "Driver1Out");
58            assignVirtualFanin(port_name + "Driver0In", port_name);
59            portConnect(inv0, "A", port_name + "Driver0In");
60            portConnect(inv0, "Y", port_name + "Driver0Out");
61            portConnect(inv1, "A", port_name + "Driver0Out");
62            portConnect(inv1, "Y", port_name + "Driver1Out");
63
64            createNet(port_name + "In", port_info->getNetIndex());
65            assignVirtualFanout(port_name + "In", port_name + "Driver1Out");
66
67            portConnect(getModel(), port_name, port_name + "In");
68        }
69
70        return;
71    }
72}// namespace DSENT
73
74