Nightly Regression #52
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| name: CI | |
| on: | |
| schedule: | |
| # run at 01:00 UTC (9:00 UTC+8) so that we can debug it immediately | |
| - cron: '00 01 * * *' | |
| jobs: | |
| test-difftest-fuzzing: | |
| # This test runs on ubuntu-20.04 for two reasons: | |
| # (1) riscv-arch-test can be built with riscv-linux-gnu toolchain 9.4.0, | |
| # which is the default apt-installed version on ubuntu 20.04. | |
| # On ubuntu 22.04, toolchain 11.4.0 won't compile riscv-arch-test. | |
| # (2) to test whether difftest compiles correctly on ubuntu 20.04 | |
| runs-on: ubuntu-20.04 | |
| steps: | |
| - uses: actions/checkout@v4 | |
| - name: Enable -Werror for EMU Build | |
| run: | | |
| echo "CXX_NO_WARNING=1" >> $GITHUB_ENV | |
| - name: Prepare environment | |
| run: | | |
| cd $GITHUB_WORKSPACE/.. | |
| wget https://github.com/OpenXiangShan/xs-env/raw/refs/heads/master/install-verilator.sh | |
| wget https://github.com/OpenXiangShan/xs-env/raw/refs/heads/master/setup-tools.sh | |
| sudo bash setup-tools.sh | |
| - name: Build the coverage-guided fuzzer - xfuzz | |
| run: | | |
| cd $GITHUB_WORKSPACE/.. | |
| git clone https://github.com/OpenXiangShan/xfuzz.git | |
| cargo install cargo-make | |
| cd xfuzz && make init && make build | |
| - name: Build the fuzzing corpus - riscv-arch-test | |
| run: | | |
| cd $GITHUB_WORKSPACE/.. | |
| git clone https://github.com/OpenXiangShan/riscv-arch-test.git | |
| cd riscv-arch-test/riscv-test-suite | |
| make build_I CROSS=riscv64-linux-gnu- RISCV_ARCH=rv64gc -j2 | |
| rm build/*.elf build/*.txt | |
| - name: Build the REF - LLVM instrumented Spike | |
| run: | | |
| cd $GITHUB_WORKSPACE/.. | |
| git clone https://github.com/OpenXiangShan/riscv-isa-sim.git | |
| export SPIKE_HOME=$(pwd)/riscv-isa-sim | |
| make -C riscv-isa-sim/difftest CPU=ROCKET_CHIP SANCOV=1 -j2 | |
| - name: Build and run the rocket-chip fuzzer | |
| run: | | |
| cd $GITHUB_WORKSPACE/.. | |
| export SPIKE_HOME=$(pwd)/riscv-isa-sim | |
| export XFUZZ_HOME=$(pwd)/xfuzz | |
| export NOOP_HOME=$(pwd)/rocket-chip | |
| export CORPUS=$(pwd)/riscv-arch-test/riscv-test-suite/build | |
| git clone -b dev-difftest --single-branch https://github.com/OpenXiangShan/rocket-chip.git | |
| cd rocket-chip && make init | |
| rm -r difftest | |
| cp -r $GITHUB_WORKSPACE . | |
| make bootrom CROSS=riscv64-linux-gnu- | |
| make emu XFUZZ=1 REF=$SPIKE_HOME/difftest/build/riscv64-spike-so LLVM_COVER=1 -j2 | |
| ./build/fuzzer -v -- $CORPUS/I-add-01.bin | |
| ./build/fuzzer -f --max-runs 100 --corpus-input $CORPUS -- --max-cycles 10000 | grep max_runs |