Quick and DRC unclean hack to manage rectilinear in LefImport.
This commit is contained in:
Jean-Paul Chaput
parent
47aadd8ef4
commit
73265c2d68
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@ -110,8 +110,8 @@ namespace {
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inline int getNthRouting () const;
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inline void incNthRouting ();
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inline RoutingGauge* getRoutingGauge () const;
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inline void addPinSegment ( string name, Segment* );
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inline void clearPinSegments ();
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inline void addPinComponent ( string name, Component* );
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inline void clearPinComponents ();
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private:
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static int _unitsCbk ( lefrCallbackType_e, lefiUnits* , lefiUserData );
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static int _layerCbk ( lefrCallbackType_e, lefiLayer* , lefiUserData );
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@ -131,7 +131,7 @@ namespace {
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Net* _net;
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string _busBits;
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double _unitsMicrons;
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map< string, vector<Segment*> > _pinSegments;
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map< string, vector<Component*> > _pinComponents;
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static map<string,Layer*> _layerLut;
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vector<string> _unmatchedLayers;
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vector<string> _errors;
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@ -173,8 +173,8 @@ namespace {
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inline const vector<string>& LefParser::getErrors () const { return _errors; }
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inline void LefParser::pushError ( const string& error ) { _errors.push_back(error); }
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inline void LefParser::clearErrors () { return _errors.clear(); }
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inline void LefParser::addPinSegment ( string name, Segment* s ) { _pinSegments[name].push_back(s); }
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inline void LefParser::clearPinSegments () { _pinSegments.clear(); }
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inline void LefParser::addPinComponent ( string name, Component* comp ) { _pinComponents[name].push_back(comp); }
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inline void LefParser::clearPinComponents () { _pinComponents.clear(); }
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Library* LefParser::_mergeLibrary = nullptr;
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@ -520,6 +520,8 @@ namespace {
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points.push_back( Point( parser->fromUnitsMicrons(polygon->x[ipoint])
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, parser->fromUnitsMicrons(polygon->y[ipoint]) ));
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}
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points.push_back( Point( parser->fromUnitsMicrons(polygon->x[0])
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, parser->fromUnitsMicrons(polygon->y[0]) ));
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Rectilinear::create( blockageNet, blockageLayer, points );
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continue;
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}
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@ -577,7 +579,7 @@ namespace {
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if (not isPad) parser->_pinStdPostProcess();
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else parser->_pinPadPostProcess();
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parser->clearPinSegments();
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parser->clearPinComponents();
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cerr << " - " << cellName
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<< " " << DbU::getValueString(width) << " " << DbU::getValueString(height)
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@ -667,7 +669,7 @@ namespace {
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, parser->fromUnitsMicrons( r->yh )
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);
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}
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if (segment) parser->addPinSegment( pin->name(), segment );
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if (segment) parser->addPinComponent( pin->name(), segment );
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//cerr << " | " << segment << endl;
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continue;
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}
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@ -678,7 +680,10 @@ namespace {
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points.push_back( Point( parser->fromUnitsMicrons(polygon->x[ipoint])
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, parser->fromUnitsMicrons(polygon->y[ipoint]) ));
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}
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Rectilinear::create( net, layer, points );
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points.push_back( Point( parser->fromUnitsMicrons(polygon->x[0])
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, parser->fromUnitsMicrons(polygon->y[0]) ));
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Rectilinear* rectilinear = Rectilinear::create( net, layer, points );
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if (rectilinear) parser->addPinComponent( pin->name(), rectilinear );
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continue;
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}
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if (geoms->itemType(igeom) == lefiGeomClassE) {
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@ -722,20 +727,27 @@ namespace {
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const RoutingLayerGauge* gaugeMetal2 = _routingGauge->getLayerGauge( 1 );
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Box ab = _cell->getAbutmentBox();
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//cerr << " @ _pinStdPostProcess" << endl;
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cerr << " @ _pinStdPostProcess" << endl;
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for ( auto element : _pinSegments ) {
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string pinName = element.first;
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vector<Segment*>& segments = element.second;
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vector<Segment*> ongrids;
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for ( auto element : _pinComponents ) {
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string pinName = element.first;
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vector<Component*>& components = element.second;
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vector<Segment*> ongrids;
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for ( Segment* segment : segments ) {
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bool isWide = (segment->getWidth() >= getMinTerminalWidth());
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for ( Component* component : components ) {
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Segment* segment = dynamic_cast<Segment*>( component );
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if (segment) {
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if (component->getNet()->isSupply()) continue;
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bool isWide = (segment->getWidth() >= getMinTerminalWidth());
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//cerr << " > " << segment << endl;
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cerr << " > " << segment << endl;
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if (not isVH())
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cerr << "NOT isVH()" << endl;
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else
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cerr << "isVH()" << endl;
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if (not segment->getNet()->isSupply()) {
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if (isVH() and (segment->getLayer()->getMask() == metal1->getMask())) {
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cerr << "isVH()" << endl;
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Vertical* v = dynamic_cast<Vertical*>( segment );
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if (v) {
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DbU::Unit nearestX = gaugeMetal2->getTrackPosition( ab.getXMin()
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@ -746,7 +758,7 @@ namespace {
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if (nearestX == v->getX()) {
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} else {
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DbU::Unit neighbor = nearestX
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+ ((nearestX > v->getX()) ? 1 : -1) * gaugeMetal2->getPitch();
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+ ((nearestX > v->getX()) ? 1 : -1) * gaugeMetal2->getPitch();
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//cerr << " | X:" << DbU::getValueString(v->getX())
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// << " nearestX:" << DbU::getValueString(nearestX)
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@ -772,16 +784,67 @@ namespace {
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}
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}
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}
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}
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if (isWide) ongrids.push_back( segment );
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if (isWide) ongrids.push_back( segment );
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}
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Rectilinear* rectilinear = dynamic_cast<Rectilinear*>( component );
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if (not (rectilinear->getLayer()->getMask() == metal1->getMask()))
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continue;
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if (rectilinear) {
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cerr << " > " << rectilinear << endl;
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vector<Box> boxes;
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rectilinear->getAsRectangles( boxes );
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if (component->getNet()->isSupply()) {
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ongrids.push_back( Horizontal::create( rectilinear->getNet()
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, rectilinear->getLayer()
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, boxes.front().getYCenter()
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, boxes.front().getHeight()
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, _cell->getAbutmentBox().getXMin()
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, _cell->getAbutmentBox().getXMax()
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)
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);
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} else {
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for ( const Box& box : boxes ) {
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DbU::Unit nearestX = gaugeMetal2->getTrackPosition( ab.getXMin()
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, ab.getXMax()
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, box.getXCenter()
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, Constant::Nearest );
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DbU::Unit xmin = std::min( box.getXMin(), nearestX - gaugeMetal2->getViaWidth()/2 );
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DbU::Unit xmax = std::max( box.getXMax(), nearestX + gaugeMetal2->getViaWidth()/2 );
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ongrids.push_back( Vertical::create( rectilinear->getNet()
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, rectilinear->getLayer()
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, (xmax+xmin)/2
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, xmax-xmin
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, box.getYMin()
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, box.getYMax()
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)
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);
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// DbU::Unit neighbor = nearestY
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// + ((nearestY > box.getYCenter()) ? 1 : -1) * gaugeMetal2->getPitch();
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// if ( (box.getYMin() > neighbor)
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// or (box.getYMax() < neighbor) ) {
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// ongrids.push_back( Vertical::create( rectilinear->getNet()
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// , rectilinear->getLayer()
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// , box.getXCenter()
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// , box.getWidth()
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// , box.getYMin()
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// , box.getYMax()
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// )
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// );
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// }
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}
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}
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}
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}
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if (ongrids.empty()) {
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cerr << Warning( "LefParser::_pinStdPostProcess(): Pin \"%s\" has no terminal ongrid."
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, pinName.c_str() ) << endl;
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for ( Segment* segment : segments ) {
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NetExternalComponents::setExternal( segment );
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for ( Component* component : components ) {
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NetExternalComponents::setExternal( component );
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}
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} else {
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for ( Segment* segment : ongrids ) {
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@ -797,10 +860,10 @@ namespace {
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Box ab = getCell()->getAbutmentBox();
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bool isCornerPad = (_cellGauge) and (_cellGauge->getSliceHeight() == _cellGauge->getSliceStep());
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for ( auto element : _pinSegments ) {
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string pinName = element.first;
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vector<Segment*>& segments = element.second;
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vector<Segment*> ongrids;
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for ( auto element : _pinComponents ) {
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string pinName = element.first;
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vector<Component*>& segments = element.second;
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vector<Segment*> ongrids;
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if (segments.empty()) continue;
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