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Commit for pulling: Starting developing global routing for analog GCells

This commit is contained in:
EricLaoGitHub 2016-08-15 17:23:26 +02:00
parent fe73199b06
commit b0364957da
1 changed files with 67 additions and 9 deletions
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76
anabatic/src/LoadGlobalRouting.cpp
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@ -924,13 +924,13 @@ namespace {
} else { } else {
_topology |= Global_Fork; _topology |= Global_Fork;
} }
} else { } /*else {
_connexity.connexity = 0; _connexity.connexity = 0;
_east = NULL; _east = NULL;
_west = NULL; _west = NULL;
_north = NULL; _north = NULL;
_south = NULL; _south = NULL;
} }*/
cdebug_tabw(145,-1); cdebug_tabw(145,-1);
@ -2090,19 +2090,77 @@ namespace {
void GCellTopology::_doDevice () void GCellTopology::_doDevice ()
{ {
throw Error( "GCellTopology::_doDevice() Unimplemented, blame goes to E. Lao." ); cdebug_log(145,1) << "void GCellTopology::_doDevice ()" << _gcell << endl;
// Find NE and SW routing pads
Horizontal* hne = NULL;
Vertical* vne = NULL;
Horizontal* hsw = NULL;
Vertical* vsw = NULL;
for ( Component* c : _net->getComponents() ){
Segment* s = dynamic_cast<Segment*>(c);
if (s){
if ( Session::getAnabatic()->getConfiguration()->getGContactLayer() != s->getLayer() ){
if ( _gcell->getBoundingBox().intersect(s->getBoundingBox() ) ){
Horizontal* h = dynamic_cast<Horizontal*> (s);
Vertical* v = dynamic_cast<Vertical*> (s);
if (h){
if ( (not (hne)) && (not (hsw)) ){
hne = h;
hsw = h;
} else {
// criteria for NE: (xMax-xSegment) + (yMax-ySegment), the smaller it is, the better it is
DbU::Unit bNEc = (_gcell->getXMax() - hne->getTarget()->getX()) + ( _gcell->getYMax() - hne->getTarget()->getY());
DbU::Unit cNEc = (_gcell->getXMax() - h->getTarget()->getX()) + ( _gcell->getYMax() - h->getTarget()->getY() );
if (cNEc < bNEc) hne = h;
// criteria for SW: (xSegment-xMin) + (ySegment-yMin), the smaller it is, the better it is
DbU::Unit bSWc = (hne->getSource()->getX() - _gcell->getXMin()) + (hne->getSource()->getY() - _gcell->getYMin());
DbU::Unit cSWc = (h->getSource()->getX() - _gcell->getXMin()) + (h->getSource()->getY() - _gcell->getYMin());
if (cSWc < bSWc) hsw = h;
}
} else if (v){
if ( (not (vne)) && (not (vsw)) ){
vne = v;
vsw = v;
} else {
// criteria for NE: (xMax-xSegment) + (yMax-ySegment), the smaller it is, the better it is
DbU::Unit bNEc = (_gcell->getXMax() - vne->getTarget()->getX()) + ( _gcell->getYMax() - vne->getTarget()->getY());
DbU::Unit cNEc = (_gcell->getXMax() - v->getTarget()->getX()) + ( _gcell->getYMax() - v->getTarget()->getY() );
if (cNEc < bNEc) vne = v;
// criteria for SW: (xSegment-xMin) + (ySegment-yMin), the smaller it is, the better it is
DbU::Unit bSWc = (vne->getSource()->getX() - _gcell->getXMin()) + (vne->getSource()->getY() - _gcell->getYMin());
DbU::Unit cSWc = (v->getSource()->getX() - _gcell->getXMin()) + (v->getSource()->getY() - _gcell->getYMin());
if (cSWc < bSWc) vsw = v;
}
}
}
}
}
}
if (hne) cerr << "NE: " << hne << endl;
else cerr << "NE: " << vne << endl;
if (hsw) cerr << "SW: " << hsw << endl;
else cerr << "SW: " << vsw << endl;
/*problem: How to create routing pad with segment only without plugs
*/
//throw Error( "GCellTopology::_doDevice() Unimplemented, blame goes to E. Lao." );
} }
void GCellTopology::_doChannel () void GCellTopology::_doChannel ()
{ {
throw Error( "GCellTopology::_doChannel() Unimplemented, blame goes to E. Lao." ); //throw Error( "GCellTopology::_doChannel() Unimplemented, blame goes to E. Lao." );
} }
void GCellTopology::_doStrut () void GCellTopology::_doStrut ()
{ {
throw Error( "GCellTopology::_doStrut() Unimplemented, blame goes to E. Lao." ); //throw Error( "GCellTopology::_doStrut() Unimplemented, blame goes to E. Lao." );
} }