gen-arch-config.yml

name: Generate architecture config

on:
  workflow_dispatch:
    inputs:
      arch:
        description: "Target architecture"
        required: true
        type: choice
        options: [arm64, riscv64]
      kernel_version:
        description: "Kernel version (e.g. 6.12.1)"
        required: true

jobs:
  gen-config:
    name: Generate ${{ inputs.arch }} config
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v6

      - name: Install cross-compilation toolchain
        run: |
          sudo apt-get update -qq
          if [[ "${{ inputs.arch }}" == "arm64" ]]; then
            sudo apt-get install -y gcc-aarch64-linux-gnu
          else
            sudo apt-get install -y gcc-riscv64-linux-gnu
          fi
          sudo apt-get install -y build-essential bc bison flex \
            libssl-dev libelf-dev libncurses-dev

      - name: Fetch kernel source
        run: bash kernel/fetch.sh MAIN

      - name: Generate defconfig
        run: |
          cd kernel/src
          case "${{ inputs.arch }}" in
            arm64)
              make ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- defconfig
              cp .config ../../configs/base/aarch64.config
              ;;
            riscv64)
              make ARCH=riscv CROSS_COMPILE=riscv64-linux-gnu- defconfig
              cp .config ../../configs/base/riscv64.config
              ;;
          esac

      - name: Upload generated config
        uses: actions/upload-artifact@v7
        with:
          name: config-${{ inputs.arch }}-${{ inputs.kernel_version }}
          path: configs/base/${{ inputs.arch == 'arm64' && 'aarch64' || 'riscv64' }}.config