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#!/bin/tcsh -f
#----------------------------------------------------------
# Route script using qrouter
#----------------------------------------------------------
# Tim Edwards, 5/16/11, for Open Circuit Design
# Modified April 2013 for use with qflow
#----------------------------------------------------------
if ($#argv < 2) then
echo Usage: router.sh [options] <project_path> <source_name>
exit 1
endif
# Split out options from the main arguments
set argline=(`getopt "nr" $argv[1-]`)
set options=`echo "$argline" | awk 'BEGIN {FS = "-- "} END {print $1}'`
set cmdargs=`echo "$argline" | awk 'BEGIN {FS = "-- "} END {print $2}'`
set argc=`echo $cmdargs | wc -w`
if ($argc >= 2) then
set argv1=`echo $cmdargs | cut -d' ' -f1`
set argv2=`echo $cmdargs | cut -d' ' -f2`
if ($argc == 3) then
set statusin = `echo $cmdargs | cut -d' ' -f3`
if ($statusin == 2) then
echo "Qrouter completed on first iteration, no need to run again."
exit 0
endif
endif
else
echo Usage: router.sh [options] <project_path> <source_name>
echo where
echo <project_path> is the name of the project directory containing
echo a file called qflow_vars.sh.
echo <source_name> is the root name of the verilog file
exit 1
endif
set projectpath=$argv1
set sourcename=$argv2
set rootname=${sourcename:h}
# This script is called with the first argument <project_path>, which should
# have file "qflow_vars.sh". Get all of our standard variable definitions
# from the qflow_vars.sh file.
if (! -f ${projectpath}/qflow_vars.sh ) then
echo "Error: Cannot find file qflow_vars.sh in path ${projectpath}"
exit 1
endif
source ${projectpath}/qflow_vars.sh
source ${techdir}/${techname}.sh
cd ${projectpath}
if (! ${?qrouter_options} ) then
set qrouter_options = ${options}
endif
# Check if last line of log file says "error condition"
set errcond = `tail -1 ${synthlog} | grep "error condition" | wc -l`
if ( ${errcond} == 1 ) then
echo "Synthesis flow stopped on error condition. Detail routing"
echo "will not proceed until error condition is cleared."
exit 1
endif
#----------------------------------------------------------
# Done with initialization
#----------------------------------------------------------
cd ${layoutdir}
#------------------------------------------------------------------
# Determine the version number and availability of scripting
#------------------------------------------------------------------
set version=`${bindir}/qrouter -v 0 -h | tail -1`
set major=`echo $version | cut -d. -f1`
set minor=`echo $version | cut -d. -f2`
set subv=`echo $version | cut -d. -f3`
set scripting=`echo $version | cut -d. -f4`
if (${scripting} == "T") then
#------------------------------------------------------------------
# Scripted qrouter. Given qrouter with Tcl/Tk scripting capability,
# create a script to perform the routing. The script will allow
# the graphics to display, keep the output to the console at a
# minimum, and generate a file with congestion information in the
# case of route failure.
#------------------------------------------------------------------
echo "Running qrouter $version"
${bindir}/qrouter -noc -s ${rootname}.cfg ${qrouter_options} \
|& tee -a ${synthlog} | \
grep - -e fail -e Progress -e remaining.\*00\$ \
-e remaining:\ \[1-9\]0\\\?\$
else
#------------------------------------------------------------------
# Create the detailed route. Monitor the output and print errors
# to the output, as well as writing the "commit" line for every
# 100th route, so the end-user can track the progress.
#------------------------------------------------------------------
echo "Running qrouter $version"
${bindir}/qrouter -c ${rootname}.cfg -p ${vddnet} -g ${gndnet} \
${qrouter_options} ${rootname} |& tee -a ${synthlog} | \
grep - -e fail -e Progress -e remaining.\*00\$ \
-e remaining:\ \[1-9\]0\\\?\$
endif
#---------------------------------------------------------------------
# Spot check: Did qrouter produce file ${rootname}_route.def?
#---------------------------------------------------------------------
if ( !( -f ${rootname}_route.def || ( -M ${rootname}_route.def \
< -M ${rootname}.def ))) then
echo "qrouter failure: No file ${rootname}_route.def." |& tee -a ${synthlog}
echo "Premature exit." |& tee -a ${synthlog}
echo "Synthesis flow stopped due to error condition." >> ${synthlog}
exit 1
endif
#---------------------------------------------------------------------
# If qrouter generated a ".cinfo" file, then annotate the ".cel"
# file, re-run placement, and re-run routing.
#---------------------------------------------------------------------
if (${scripting} == "T") then
if ( -f ${rootname}.cinfo && ( -M ${rootname}.cinfo \
> -M ${rootname}.def )) then
${scriptdir}/decongest.tcl ${rootname} ${techdir}/${leffile} \
${fillcell} |& tee -a ${synthlog}
endif
endif
mv ${rootname}.def ${rootname}_unroute.def
mv ${rootname}_route.def ${rootname}.def
#------------------------------------------------------------
# Done!
#------------------------------------------------------------
set endtime = `date`
echo "Router script ended on $endtime" >> $synthlog
exit 0
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