#!/bin/sh
#
# Script to copy magic cell layouts and pad layouts
# Also creates spice netlist file for Signalstorm
#
# Invoke as
# osucells_netlist magic_techfilename pad_directory output_filename
#
# Magic techfile: AMI06  = SCN3ME_SUBM.30
#                 AMI035 = SCN4M_SUBM.20.TSMC (for the HV devices)
#                 TSMC025= SCN5M_SUBM.15
#                 TSMC018= SCN6M_SUBM.10
#
# Pad Directory: use "no_pads" if there are non
#
# Output filename: Name of spice netlist file to be created
#
# Johannes Grad
#

# Clean up and copy layouts
/usr/bin/rm -rf temp
mkdir temp
cp ../../source/magic.abstract/*.mag temp


if (test $2 != "no_pads") then 
 cp ../../source/$2/PADOUT.mag temp
 cp ../../source/$2/PADINC.mag temp
 cp ../../source/$2/PADINOUT.mag temp
fi

cd temp
/usr/bin/rm -f osu_stdcells.mag
/usr/bin/rm -f FILL.mag

# Create the future netlist file
echo ""> $3

# Loop for every magic file
for i in `ls -1 *.mag | awk -F. '{printf "%s\n",$1}'`
do
echo Netlisting cell $i ...

# Change potential pin layer m1p into metal1 layer
mv $i.mag $i.mag.temp
cat $i.mag.temp | awk '{if (($1=="rlabel") && ($2=="m1p")) {printf("%s metal1 %s %s %s %s %s %s\n",$1,$3,$4,$5,$6,$7,$8);} else {print $0}}' >$i.mag
rm $i.mag.temp

# Change potential pin layer m2p into metal2 layer
mv $i.mag $i.mag.temp
cat $i.mag.temp | awk '{if (($1=="rlabel") && ($2=="m2p")) {printf("%s metal2 %s %s %s %s %s %s\n",$1,$3,$4,$5,$6,$7,$8);} else {print $0}}' >$i.mag
rm $i.mag.temp

# Change potential pin layer m3p into metal3 layer
mv $i.mag $i.mag.temp
cat $i.mag.temp | awk '{if (($1=="rlabel") && ($2=="m3p")) {printf("%s metal3 %s %s %s %s %s %s\n",$1,$3,$4,$5,$6,$7,$8);} else {print $0}}' >$i.mag
rm $i.mag.temp

# Change potential pin layer m4p into metal4 layer
mv $i.mag $i.mag.temp
cat $i.mag.temp | awk '{if (($1=="rlabel") && ($2=="m4p")) {printf("%s metal4 %s %s %s %s %s %s\n",$1,$3,$4,$5,$6,$7,$8);} else {print $0}}' >$i.mag
rm $i.mag.temp

# Start Magic for extraction
(
echo :load $i;
echo :ext; 
echo :q; 
echo yes) | magic -T $1 -d NULL > NULL

# Remove potential Polysilicon Resistor (only in Pads)
mv $i.ext $i.temp
awk ' {if ($2=="polyResistor") {print "resist " $13 " " $16 " 100";} else {print;}}' $i.temp > $i.ext
/usr/bin/rm -f $i.temp

# Create a spice netlist
ext2spice -R -C -f spice3 $i >>NULL
rm NULL

# Get all ports of the cell
ports=`awk '$1 == "rlabel" {printf("%s ",$8)}' $i.mag`

# Echo subckt header line into netlist file
echo .subckt $i $ports>> $3

# Write cell body into netlist file
grep -v "*" $i.spice | /usr/bin/grep -v "^$" >> $3

# End subckt definition in netlist file
echo ".ends $i" >> $3
echo "">> $3

# Do all that for every Magic file
done

# File is ready!
cp $3 ..
cd ..