cvw/bin/lint-wally
2024-06-18 06:23:43 -07:00

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#!/bin/bash
# check for warnings in Verilog code
# The verilator lint tool is faster and better than Questa so it is best to run this first.
export PATH=$PATH:/usr/local/bin/
verilator=`which verilator`
basepath=$(dirname $0)/..
RED='\033[0;31m'
GREEN='\033[0;32m'
NC='\033[0m' # No Color
fails=0
if [ "$1" == "--nightly" ]; then
configs=(rv32e rv64gc rv32gc rv32imc rv32i rv64i) # fdqh_rv64gc
derivconfigs=`ls $WALLY/config/deriv`
for entry in $derivconfigs
do
if [[ $entry != *"syn_sram"* ]]; then # ignore syn_sram* configs that contain undefined module
configs[${#configs[@]}]=$entry
fi
done
else
configs=(rv32e rv64gc rv32gc rv32imc rv32i rv64i ) # add fdqh_rv64gc when working
fi
for config in ${configs[@]}; do
# echo "$config linting..."
if !($verilator --lint-only --quiet --top-module wallywrapper \
"-I$basepath/config/shared" "-I$basepath/config/$config" "-I$basepath/config/deriv/$config" \
$basepath/src/cvw.sv $basepath/testbench/wallywrapper.sv $basepath/src/*/*.sv $basepath/src/*/*/*.sv \
-Wall -Wno-UNUSEDSIGNAL -Wno-UNUSEDPARAM -Wno-VARHIDDEN -Wno-GENUNNAMED -Wno-PINCONNECTEMPTY); then
if [ "$1" == "-nightly" ]; then
echo -e "${RED}$config failed lint${NC}"
fails=$((fails+1))
else
echo -e "${RED}$config fails with lint errors or warnings"
exit 1
fi
else
echo -e "${GREEN}$config passed lint${NC}"
fi
done
if [ $fails -gt 0 ]; then
echo -e "${RED}Linting failed for $fails of ${#configs[@]} configurations"
exit 1
fi
echo -e "${GREEN}All ${#configs[@]} lints run with no errors or warnings"
# --lint-only just runs lint rather than trying to compile and simulate
# -I points to the include directory where files such as `include config.vh are found
# For more exhaustive (and sometimes spurious) warnings, add --Wall to the Verilator command
# Unfortunately, this produces a bunch of UNUSED and UNDRIVEN signal warnings in blocks that are configured to not exist.