[src] clean-up conversion script

src/convert.sh

@@ -4,29 +4,32 @@ set -e
 
 cd $(dirname "$0")
 
-NEORV32_RTL=${NEORV32_RTL:-../neorv32/rtl}
+# NEORV32 home folder
+NEORV32_HOME=${NEORV32_RTL:-../neorv32}
+# Additional sources (i.e. the top unit)
 SRC_FOLDER=${SRC_FOLDER:-.}
+#Name of the top unit
+TOP=neorv32_verilog_wrapper
 
 mkdir -p build
 
 # show NEORV32 version
 echo "NEORV32 Version:"
-grep -rni "$NEORV32_RTL"/core/neorv32_package.vhd -e 'hw_version_c'
+grep -rni $NEORV32_HOME/rtl/core/neorv32_package.vhd -e 'hw_version_c'
 echo ""
 sleep 2
 
-# Import sources
-ghdl -i --std=08 --work=neorv32 --workdir=build -Pbuild "$NEORV32_RTL"/core/*.vhd "$SRC_FOLDER"/neorv32_verilog_wrapper.vhd
-
-# Top entity
-ghdl -m --std=08 --work=neorv32 --workdir=build neorv32_verilog_wrapper
-
-# Synthesize: generate Verilog output
-ghdl synth --std=08 --work=neorv32 --workdir=build -Pbuild --out=verilog neorv32_verilog_wrapper > "$SRC_FOLDER"/neorv32_verilog_wrapper.v
+# Import and analyze sources
+ghdl -i --std=08 --work=neorv32 --workdir=build -Pbuild $NEORV32_HOME/rtl/core/*.vhd $SRC_FOLDER/$TOP.vhd
+ghdl -m --std=08 --work=neorv32 --workdir=build $TOP
+# Synthesize Verilog
+ghdl synth --std=08 --work=neorv32 --workdir=build -Pbuild --out=verilog $TOP > $SRC_FOLDER/$TOP.v
 
 # Show interface of generated Verilog module
 echo ""
-echo "------ neorv32_verilog_wrapper interface ------"
-sed -n "/module neorv32_verilog_wrapper/,/);/p" "$SRC_FOLDER"/neorv32_verilog_wrapper.v
+echo "-----------------------------------------------"
+echo "Verilog instantiation prototype"
+echo "-----------------------------------------------"
+sed -n "/module $TOP/,/);/p" $SRC_FOLDER/$TOP.v
 echo "-----------------------------------------------"
 echo ""