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Utilize GitHub Actions for building and running via QEMU #11

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Utilize GitHub Actions for building and running via QEMU #11

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7e182f6
Add CI workflow for building and testing
G36maid Jun 29, 2025
c5c8369
Improve CI workflow with QEMU, cpubench, timeout
G36maid Jun 30, 2025
cd2f6cc
Constify error_desc and perror
visitorckw Jun 28, 2025
47028a4
Correct return type of strlen function
Damien-Chen Jun 29, 2025
6b935dc
Ensure consistent indention
jserv Jun 30, 2025
4e2656f
Add benchmark extraction and PR comment to CI workflow
G36maid Jul 4, 2025
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71 changes: 71 additions & 0 deletions .github/workflows/ci.yml
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name: Linmo CI (GNU Only)

on:
push:
branches: [main, ci]
pull_request:
branches: [main, ci]

jobs:
test:
runs-on: ubuntu-24.04

steps:
- name: Checkout
uses: actions/checkout@v4

- name: Install dependencies
run: |
sudo apt-get update
sudo apt-get install -y build-essential qemu-system-riscv32 wget

- name: Download RISC-V GNU Toolchain
run: |
wget https://github.com/riscv-collab/riscv-gnu-toolchain/releases/download/2025.06.13/riscv32-elf-ubuntu-22.04-gcc-nightly-2025.06.13-nightly.tar.xz
tar -xf riscv32-elf-ubuntu-22.04-gcc-nightly-2025.06.13-nightly.tar.xz
Comment on lines +24 to +25
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Move to dedicated scripts. See https://github.com/sysprog21/rv32emu/tree/master/.ci for reference.

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Do you prefer keeping the scripts in a .ci/ directory (as in rv32emu),
or splitting them into a more general scripts/ directory for better reuse —
for example, by developers who want to build and run the kernel locally?

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Do you prefer keeping the scripts in a .ci/ directory (as in rv32emu), or splitting them into a more general scripts/ directory for better reuse — for example, by developers who want to build and run the kernel locally?

All CI-specific scripts should be placed in the .ci directory, as they are not intended for general use.

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I got it.

echo "$PWD/riscv/bin" >> $GITHUB_PATH

- name: Verify toolchain installation
run: |
riscv32-unknown-elf-gcc --version
qemu-system-riscv32 --version
env:
CROSS_COMPILE: riscv32-unknown-elf-

- name: Build Linmo kernel
run: |
make clean
make
env:
CROSS_COMPILE: riscv32-unknown-elf-

- name: Build and run cpubench
run: |
make clean
make cpubench
set +e
timeout 5s qemu-system-riscv32 -nographic -machine virt -bios none -kernel build/image.elf | tee qemu_output.txt
echo "cpubench completed" >> qemu_output.txt
set -e
env:
CROSS_COMPILE: riscv32-unknown-elf-

- name: Extract benchmark result
id: extract
run: |
grep -E "Result:|Elapsed time" qemu_output.txt > result.txt || echo "Result not found" > result.txt
echo "result<<EOF" >> $GITHUB_OUTPUT
cat result.txt >> $GITHUB_OUTPUT
echo "EOF" >> $GITHUB_OUTPUT

- name: Comment result to PR
if: github.event_name == 'pull_request'
uses: peter-evans/create-or-update-comment@v4
with:
token: ${{ secrets.GITHUB_TOKEN }}
issue-number: ${{ github.event.pull_request.number }}
body: |
✅ **cpubench test result**
```
${{ steps.extract.outputs.result }}
```