#####################################################
# Signal routing   (Erik Brunvand, 2008)            #
#####################################################
puts "-----------Routing-----------"
#

# Unfix the clock nets to avoid routing problems.
changeUseClockNetStatus -noFixedNetWires

# Configure NanoRoute to do the final routing
getNanoRouteMode -quiet
getNanoRouteMode -quiet envSuperthreading
getNanoRouteMode -quiet drouteFixAntenna
getNanoRouteMode -quiet routeInsertAntennaDiode
getNanoRouteMode -quiet routeAntennaCellName
getNanoRouteMode -quiet timingEngine
getNanoRouteMode -quiet routeWithTimingDriven
setNanoRouteMode -quiet routeWithTimingDriven true
getNanoRouteMode -quiet routeWithEco
getNanoRouteMode -quiet routeWithSiDriven
getNanoRouteMode -quiet routeTdrEffort
setNanoRouteMode -quiet routeTdrEffort 10
getNanoRouteMode -quiet routeWithSiPostRouteFix
getNanoRouteMode -quiet drouteAutoStop
getNanoRouteMode -quiet routeSelectedNetOnly
getNanoRouteMode -quiet drouteStartIteration
getNanoRouteMode -quiet envNumberProcessor
getNanoRouteMode -quiet envSuperthreading
getNanoRouteMode -quiet routeTopRoutingLayer
getNanoRouteMode -quiet routeBottomRoutingLayer
getNanoRouteMode -quiet drouteEndIteration
getNanoRouteMode -quiet routeEcoOnlyInLayers
setNanoRouteMode -quiet drouteUseMultiCutVia true

# Do the actual routing
globalDetailRoute

puts "----------Timing design--------------"
# Check timing after routing.
timeDesign -postRoute -prefix TimingReports \
    -outDir ${BASENAME}_reports/postroute

puts "---------Post-route optimize---------"
#
# The final optimization step - post-route
setOptMode -yieldEffort none
setOptMode -highEffort
setOptMode -maxDensity 0.95
setOptMode -drcMargin 0.0
setOptMode -holdTargetSlack 0.0 -setupTargetSlack 0.0
setOptMode -noSimplifyNetlist
clearClockDomains
setClockDomains -all
setOptMode -noUsefulSkew
optDesign -postRoute -setup -drv -prefix TimingReports \
          -outDir ${BASENAME}_reports/postrouteOpt

puts "--------Add Filler Cells---------------"
# Add the filler cells
setFillerMode -corePrefix ${BASENAME}_FILL -core ${fillerCells}
addFiller -cell $fillerCells -prefix ${BASENAME}FILL -markFixed

# Save the design so far
saveDesign ${BASENAME}_routed.enc
puts "-----------Routing done-------------"