| 1/* Copyright (c) 2012 Massachusetts Institute of Technology
2 *
3 * Permission is hereby granted, free of charge, to any person obtaining a copy
4 * of this software and associated documentation files (the "Software"), to deal
5 * in the Software without restriction, including without limitation the rights
6 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
7 * copies of the Software, and to permit persons to whom the Software is
8 * furnished to do so, subject to the following conditions:
9 *
10 * The above copyright notice and this permission notice shall be included in
11 * all copies or substantial portions of the Software.
12 *
13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
14 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
15 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
16 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
17 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
18 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
19 * THE SOFTWARE.
20 */
21
|
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
| 22#include "model/timing_graph/ElectricalTimingOptimizer.h"
23
24#include "model/PortInfo.h"
25#include "model/ModelGen.h"
26#include "model/std_cells/StdCell.h"
27#include "model/std_cells/StdCellLib.h"
28#include "model/timing_graph/ElectricalNet.h"
29#include "model/timing_graph/ElectricalTimingTree.h"
30
31namespace DSENT
32{
33 ElectricalTimingOptimizer::ElectricalTimingOptimizer(const String& instance_name_, const TechModel* tech_model_)
34 : ElectricalModel(instance_name_, tech_model_), m_model_(NULL)
35 {}
36
37 ElectricalTimingOptimizer::~ElectricalTimingOptimizer()
38 {}
39
40 void ElectricalTimingOptimizer::setModel(ElectricalModel* model_)
41 {
42 m_model_ = model_;
43 return;
44 }
45
46 ElectricalModel* ElectricalTimingOptimizer::getModel()
47 {
48 return m_model_;
49 }
50
51 void ElectricalTimingOptimizer::constructModel()
52 {
53 if(getModel() == NULL)
54 {
55 return;
56 }
57
58 const Map<PortInfo*>* port_info = getModel()->getInputs();
59 Map<PortInfo*>::ConstIterator it_begin = port_info->begin();
60 Map<PortInfo*>::ConstIterator it_end = port_info->end();
61 Map<PortInfo*>::ConstIterator it;
62
63 for(it = it_begin; it != it_end; ++it)
64 {
65 const String& port_name = it->first;
66 const PortInfo* port_info = it->second;
67 StdCell* inv0 = getTechModel()->getStdCellLib()->createStdCell("INV", port_name + "Driver0");
68 inv0->construct();
69 StdCell* inv1 = getTechModel()->getStdCellLib()->createStdCell("INV", port_name + "Driver1");
70 inv1->construct();
71
72 addSubInstances(inv0, 1.0);
73 addSubInstances(inv1, 1.0);
74
75 createInputPort(port_name, port_info->getNetIndex());
76 createNet(port_name + "Driver0In");
77 createNet(port_name + "Driver0Out");
78 createNet(port_name + "Driver1Out");
79 assignVirtualFanin(port_name + "Driver0In", port_name);
80 portConnect(inv0, "A", port_name + "Driver0In");
81 portConnect(inv0, "Y", port_name + "Driver0Out");
82 portConnect(inv1, "A", port_name + "Driver0Out");
83 portConnect(inv1, "Y", port_name + "Driver1Out");
84
85 createNet(port_name + "In", port_info->getNetIndex());
86 assignVirtualFanout(port_name + "In", port_name + "Driver1Out");
87
88 portConnect(getModel(), port_name, port_name + "In");
89 }
90
91 return;
92 }
93}// namespace DSENT
94
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