heptagon/tools/heptc-vhdl.sh

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#!/bin/sh
# This small helper scripts automates the Heptagon -> VHDL translation.
# You need GHDL and optionally GTKWave for user-friendly visualization.
if [ $# -lt 1 ]
then
echo Usage: $0 file.ept
exit 1
fi
compile=1
if [ $# -gt 2 ];
then
nocompile=0
fi
F=$1
REP=`basename $F .ept`_vhdl
shift
# Compile source file to VHDL, flattening node calls
if [ $compile -eq 1 ]; then
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heptc.native $@ -s main -target vhdl $F $@ > tmp.sh || exit 1
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fi
# Display the resulting VHDL code
for i in $REP/*.vhd
do
echo File $i
cat -n $i
done
cd $REP || exit 1
# Properly compile it with GHDL; order matters
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ghdl -a types.vhd `grep node ../$F | perl -pe 's/node (.*?)\b*\(.*$/$1.vhd/'` \
main_tb.vhd || exit 1
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# Link everything using the generated test-bench
ghdl -e main_tb || exit 1
# Run the simulation for 50 nanoseconds, and output the signals to simu.vcd.
./main_tb --stop-time=12ns --vcd=simu.vcd || exit 1
# Call GTKWave for visualization only if it is not already running.
ps aux | grep -v grep | grep -q gtkwave || gtkwave simu.vcd&