ci.yml

name: CI

on:
  push:
    branches: [arc64, abrodkin-arc64-5.15.y]
  pull_request:
    branches: [arc64, abrodkin-arc64-5.15.y]

  workflow_dispatch:

env:
  toolchain_ver: 2023.09
  toolchain_url: https://github.com/foss-for-synopsys-dwc-arc-processors/arc-gnu-toolchain/releases/download/$toolchain_ver

jobs:
  build:
    runs-on: ubuntu-22.04
    strategy:
      matrix:
        targets:
          - cpu: arc700
            toolchain: arc-elf
            defconfig: nsim_700_defconfig
          - cpu: hs4x
            toolchain: arc-glibc
            defconfig: haps_hs_defconfig
          - cpu: hs4x-pae40
            toolchain: arc-glibc
            defconfig: haps_hs_defconfig
          - cpu: hs5x
            toolchain: arc32-glibc
            defconfig: haps_hs5x_defconfig
          - cpu: hs5x-arc64-elf-build
            toolchain: arc64-elf
            defconfig: haps_hs5x_defconfig
          - cpu: hs5x-hw-atomic64
            toolchain: arc32-glibc
            defconfig: haps_hs5x_defconfig
          - cpu: hs6x
            toolchain: arc64-glibc
            defconfig: haps_arc64_defconfig
          - cpu: hs6x-mmu48-16k
            toolchain: arc64-glibc
            defconfig: haps_arc64_defconfig
          - cpu: hs6x-mmu48-64k
            toolchain: arc64-glibc
            defconfig: haps_arc64_defconfig
          - cpu: hs6x-mmu52
            toolchain: arc64-glibc
            defconfig: haps_arc64_defconfig
      fail-fast: false

    steps:
      - uses: actions/checkout@v3
        name: Checkout sources
        with:
          fetch-depth: 2

      - uses: actions/checkout@v3
        name: Checkout arc-kernel-ci
        with:
          repository: "foss-for-synopsys-dwc-arc-processors/arc-kernel-ci"
          path: ${{ github.workspace }}/arc-kernel-ci

      - name: Install apt dependencies
        run: |
          sudo apt-get -y update
          sudo apt-get install -y --no-install-recommends \
            bc \
            bison \
            flex \
            gawk \
            gcc \
            libelf-dev \
            libncurses5-dev \
            libssl-dev \
            make

      - name: Download toolchain
        run: |
          echo "Toolchain version:" ${{ env.toolchain_ver }}
          echo "Toolchain base URL:" ${{ env.toolchain_url }}
          curl -L -o toolchain.tar.gz ${{ env.toolchain_url }}/${{ matrix.targets.toolchain }}-${{ env.toolchain_ver }}.tar.gz
          mkdir -p ${{ github.workspace }}/toolchain
          tar -xzf toolchain.tar.gz --strip 1 -C ${{ github.workspace }}/toolchain

      - name: Build linux kernel for ${{ matrix.targets.cpu }}
        run: |
          toolchain_prefix="${{ matrix.targets.toolchain }}"
          case "$toolchain_prefix" in
          arc-elf)
            toolchain_prefix="${toolchain_prefix/elf/elf32}"
            ;;
          *glibc)
            toolchain_prefix="${toolchain_prefix/glibc/linux-gnu}"
            ;;
          esac

          export ARCH=arc
          export CROSS_COMPILE="${{ github.workspace }}/toolchain/bin/${toolchain_prefix}-"

          make ${{ matrix.targets.defconfig }}

          # Select extra options applied for all configurations
          ./scripts/config --enable CONFIG_ATOMIC64_SELFTEST

          # Select rootfs
          case "${{ matrix.targets.cpu }}" in
          arc700*)
            rootfs_path="${{ github.workspace }}/arc-kernel-ci/cpio/rootfs.cpio.arc700"
            ;;
          hs4x*)
            rootfs_path="${{ github.workspace }}/arc-kernel-ci/cpio/rootfs.cpio.hs4x"
            ;;
          hs5x*)
            rootfs_path="${{ github.workspace }}/arc-kernel-ci/cpio/rootfs.cpio.hs5x"
            ;;
          hs6x*)
            rootfs_path="${{ github.workspace }}/arc-kernel-ci/cpio/rootfs.cpio.hs6x"
            ;;
          *)
            echo "Unable to find rootfs for '${{ matrix.targets.cpu }}'" >&2
            exit 1
            ;;
          esac
          ./scripts/config --set-str CONFIG_INITRAMFS_SOURCE "$rootfs_path"

          # Other options if needed
          case "${{ matrix.targets.cpu }}" in
          hs4x-pae40)
            ./scripts/config --enable CONFIG_ARC_HAS_PAE40
            ;;
          hs5x-hw-atomic64)
            ./scripts/config --enable CONFIG_ARC_HAS_LL64
            ;;
          hs6x-mmu48-16k)
            ./scripts/config --disable ARC_PAGE_SIZE_4K
            ./scripts/config --enable ARC_PAGE_SIZE_16K
            ;;
          hs6x-mmu48-64k)
            ./scripts/config --disable ARC_PAGE_SIZE_4K
            ./scripts/config --enable ARC_PAGE_SIZE_64K
            ;;
          hs6x-mmu52)
            ./scripts/config --disable ARC_MMU_V6_48
            ./scripts/config --disable ARC_PAGE_SIZE_4K
            ./scripts/config --enable ARC_MMU_V6_52
            ./scripts/config --enable ARC_PAGE_SIZE_64K
            ;;
          esac

          if [[ "${{ matrix.targets.cpu }}" =~ ^(hs5x|hs6x) ]]; then
            image_name="loader"
            image_path=${{ github.workspace }}/arch/arc/boot/loader
          else
            image_name="vmlinux"
            image_path="${{ github.workspace }}/vmlinux"
          fi

          make -j $(nproc) ${image_name}
          cp $image_path vmlinux-${{ matrix.targets.cpu }}
        shell: bash

      - name: Upload ${{ matrix.targets.cpu }} vmlinux
        uses: actions/upload-artifact@v3
        with:
          name: vmlinux-${{ matrix.targets.cpu }}
          path: vmlinux-${{ matrix.targets.cpu }}
          retention-days: 5

  test:
    needs: [build]
    runs-on: nsim
    strategy:
      matrix:
        targets: [arc700, hs4x, hs4x-pae40, hs5x, hs5x-arc64-elf-build, hs5x-hw-atomic64, hs6x, hs6x-mmu48-16k, hs6x-mmu48-64k, hs6x-mmu52]
      fail-fast: false

    steps:
      - uses: actions/checkout@v3
        name: Checkout arc-kernel-ci
        with:
          repository: "foss-for-synopsys-dwc-arc-processors/arc-kernel-ci"

      - name: Install pip requirements
        run: |
          pip3 install -r requirements.txt

      - name: Download ${{ matrix.targets }} vmlinux
        uses: actions/download-artifact@v3
        with:
          name: vmlinux-${{ matrix.targets }}

      - name: Run nSIM boot test on ${{ matrix.targets }}
        run: |
          ./boot-nsim-image.py \
            ${{ github.workspace }}/vmlinux-${{ matrix.targets }} \
            ${{ github.workspace }}/nsim/${{ matrix.targets }}.props