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OpenSTA
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Merge pull request #164 from openroadie/master 

Get the latest OpenSTA (inverters API)
This commit is contained in:
Harsh Vardhan 2023-05-19 11:23:52 -07:00 committed by GitHub
parent 88cc3b07bb 1108b808cc
commit ac3479bc24
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 20 additions and 0 deletions
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2
include/sta/Liberty.hh
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@ -137,6 +137,7 @@ public:
LibertyCellSeq findLibertyCellsMatching(PatternMatch *pattern);
// Liberty cells that are buffers.
LibertyCellSeq *buffers();
LibertyCellSeq *inverters();
DelayModelType delayModelType() const { return delay_model_type_; }
void setDelayModelType(DelayModelType type);
@ -369,6 +370,7 @@ protected:
OcvDerateMap ocv_derate_map_;
SupplyVoltageMap supply_voltage_map_;
LibertyCellSeq *buffers_;
LibertyCellSeq *inverters_;
DriverWaveformMap driver_waveform_map_;
// Unnamed driver waveform.
DriverWaveform *driver_waveform_default_;

18
liberty/Liberty.cc
View File

@ -83,6 +83,7 @@ LibertyLibrary::LibertyLibrary(const char *name,
ocv_arc_depth_(0.0),
default_ocv_derate_(nullptr),
buffers_(nullptr),
inverters_(nullptr),
driver_waveform_default_(nullptr)
{
// Scalar templates are builtin.
@ -125,6 +126,7 @@ LibertyLibrary::~LibertyLibrary()
stringDelete(supply_name);
}
delete buffers_;
delete inverters_;
driver_waveform_map_.deleteContents();
delete driver_waveform_default_;
}
@ -148,6 +150,22 @@ LibertyLibrary::findLibertyCellsMatching(PatternMatch *pattern)
return matches;
}
LibertyCellSeq *
LibertyLibrary::inverters()
{
if (inverters_ == nullptr) {
inverters_ = new LibertyCellSeq;
LibertyCellIterator cell_iter(this);
while (cell_iter.hasNext()) {
LibertyCell *cell = cell_iter.next();
if (!cell->dontUse()
&& cell->isInverter())
inverters_->push_back(cell);
}
}
return inverters_;
}
LibertyCellSeq *
LibertyLibrary::buffers()
{