github-ci.yml

name: LK CI (gcc)

# Brute force build a bunch of variants of LK in parallel jobs.

on: [ push, pull_request ]

jobs:
  build:
    runs-on: ubuntu-24.04
    strategy:
      fail-fast: false
      matrix:
        toolchain-ver: [14.2.0, 7.5.0]
        debug: [2, 0]
        ubsan: [1, 0]
        project:
          - qemu-virt-arm32-test
          - qemu-virt-arm64-test
          - qemu-virt-m68k-test
          - qemu-microblaze-test
          - qemu-mips-test
          - qemu-virt-riscv32-test
          - qemu-virt-riscv64-test
          - qemu-virt-riscv64-supervisor-test
          - qemu-virt-arm32-minimal
          - pc-x86-test
          - pc-x86-legacy-test
          - pc-x86-64-test
          - or1ksim
          - vim2-test
          - zybo-test
          - rpi2-test
          - rpi3-test
          - uzed-test
          - stm32-h103-test
          - stm32746g-eval2-test
          - stm32f429i-disco-test
          - stm32f746g-disco-test
          - stm32f4-discovery-test
          - stellaris-launchpad-test
          - nrf51-pca10028-test
          - nucleo-f072rb
          - pico-test
          - sifive-e-test
          - visionfive2-test
          - bananapi-f3-test
          - rosco-m68k-test
        exclude:
          # no real point building ubsan on the old compiler
          - ubsan: 1
            toolchain-ver: 7.5.0
          # no toolchain for 7.5.0 for or1k
          - project: or1ksim
            toolchain-ver: 7.5.0
          # building newer riscv stuff on 7.5.0 is fairly difficult due to
          # lack of certain extensions
          - project: qemu-virt-riscv32-test
            toolchain-ver: 7.5.0
          - project: qemu-virt-riscv64-test
            toolchain-ver: 7.5.0
          - project: qemu-virt-riscv64-supervisor-test
            toolchain-ver: 7.5.0
          - project: sifive-e-test
            toolchain-ver: 7.5.0
          - project: visionfive2-test
            toolchain-ver: 7.5.0
          - project: bananapi-f3-test
            toolchain-ver: 7.5.0

    env:
      PROJECT: ${{ matrix.project }}
      TOOLCHAIN_VER: ${{ matrix.toolchain-ver }}
      # ${{ matrix.toolchain-arch }}-${{ matrix.toolchain-ver }}-Linux-x86_64
      DEBUG: ${{ matrix.debug }}
      UBSAN: ${{ matrix.ubsan }}
    steps:
    - name: banner
      shell: bash
      run: |
        printf "Building with %d processors\n" "$(nproc)"
        grep -oP '(?<=model name\t: ).*' /proc/cpuinfo|head -n1
        echo PROJECT = $PROJECT
        echo TOOLCHAIN_VER = $TOOLCHAIN_VER
        echo DEBUG = $DEBUG
        echo UBSAN = $UBSAN

    # check out the source
    - name: checkout
      uses: actions/checkout@v4

    # compute the toolchain prefix this project will need
    - name: compute toolchain
      shell: bash
      run: |
        TOOLCHAIN_PREFIX=$(make list-toolchain | grep TOOLCHAIN_PREFIX | tail -1 | cut -d ' ' -f 3)
        echo "TOOLCHAIN_PREFIX=${TOOLCHAIN_PREFIX}" >> $GITHUB_ENV
        echo "TOOLCHAIN=${TOOLCHAIN_PREFIX}${{ matrix.toolchain-ver }}-$(uname)-$(uname -m)" >> $GITHUB_ENV

    # maintain a directory archives/ in the repo
    # it will contain tarballs of various toolchains
    - name: cache
      uses: actions/cache@v4
      id: cache
      with:
        # A list of files, directories, and wildcard patterns to cache and restore
        path: archives
        # An explicit key for restoring and saving the cache
        key: archives-${{ env.TOOLCHAIN }}

    # download a toolchain from http://newos.org/toolchains
    - name: fetch/extract toolchain
      shell: bash
      run: |
        TOOLCHAIN_BASE_URL="http://newos.org/toolchains"
        TOOLCHAIN_SUFFIX="tar.xz"
        TOOLCHAIN_ADDRESS="$TOOLCHAIN_BASE_URL/$TOOLCHAIN.$TOOLCHAIN_SUFFIX"
        mkdir -p archives
        cd archives
        echo "Downloading toolchain $TOOLCHAIN from $TOOLCHAIN_ADDRESS"
        wget -v -N $TOOLCHAIN_ADDRESS || exit 1
        cd ..
        echo "Unpacking $TOOLCHAIN"
        tar xf archives/$TOOLCHAIN.$TOOLCHAIN_SUFFIX || exit 1
        echo "$GITHUB_WORKSPACE/$TOOLCHAIN/bin" >> $GITHUB_PATH

    # build it
    - name: build
      shell: bash
      run: |
        make -j $(nproc)

    # upload artifacts
    #- uses: actions/upload-artifact@v2
    #  with:
    #   name: build-dir
    #   path: build-${{ matrix.project }}/lk.*

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