Android Kernel Driver Builder #49
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| name: Android Kernel Driver Builder | |
| on: | |
| workflow_dispatch: | |
| inputs: | |
| android_version: | |
| description: 'Android Version (Kernel) (e.g., 14)' | |
| required: true | |
| kernel_version: | |
| description: 'Kernel Version (e.g., 6.1)' | |
| required: true | |
| driver_name: | |
| description: 'Driver Module Name (e.g., mydriver.ko)' | |
| required: true | |
| target_arch: | |
| description: 'Target Architecture (aarch64, x86_64, etc.)' | |
| required: true | |
| default: 'aarch64' | |
| jobs: | |
| build: | |
| runs-on: ubuntu-latest | |
| steps: | |
| - name: Checkout repository | |
| uses: actions/checkout@v4.2.2 | |
| - name: Prepare kerneldriver directory | |
| run: | | |
| mkdir kerneldriver | |
| mv ./code/*.h ./code/*.c ./code/Makefile kerneldriver/ | |
| - name: Install repo tool | |
| run: | | |
| sudo curl -L https://storage.googleapis.com/git-repo-downloads/repo -o /usr/local/bin/repo | |
| sudo chmod a+x /usr/local/bin/repo | |
| - name: Set up Android Kernel source | |
| run: | | |
| mkdir -p android-kernel && cd android-kernel | |
| repo init -u https://android.googlesource.com/kernel/manifest -b common-android${{ github.event.inputs.android_version }}-${{ github.event.inputs.kernel_version }} | |
| repo sync -j$(nproc) -c --no-tags --optimized-fetch --force-sync | |
| - name: Copy kerneldriver | |
| run: | | |
| cd android-kernel | |
| cp -r ../kerneldriver common/drivers | |
| - name: Modify Makefile | |
| run: | | |
| cd android-kernel | |
| echo "obj-y += kerneldriver/" >> common/drivers/Makefile | |
| - name: Add module to GKI modules list | |
| if: ${{ github.event.inputs.android_version > 13 }} | |
| run: | | |
| cd android-kernel | |
| MODULE_NAME="drivers/kerneldriver/${{ github.event.inputs.driver_name }}" | |
| awk -i inplace -v module="$MODULE_NAME" ' | |
| BEGIN { added=0 } | |
| /_COMMON_GKI_MODULES_LIST = \[/ { in_list=1 } | |
| in_list && /\]/ { | |
| if (!added) { | |
| print " \"" module "\"," | |
| added=1 | |
| } | |
| in_list=0 | |
| } | |
| in_list && !added { | |
| if (module < $0) { | |
| print " \"" module "\"," | |
| added=1 | |
| } | |
| } | |
| { print } | |
| ' common/modules.bzl | |
| - name: Prepare module list for legacy builds | |
| if: ${{ github.event.inputs.android_version <= 13 }} | |
| run: | | |
| cd android-kernel | |
| echo "drivers/kerneldriver/${{ github.event.inputs.driver_name }}" >> common/android/gki_aarch64_modules | |
| - name: Increase stack frame size limit | |
| run: | | |
| cd android-kernel | |
| find . -type f -name "Makefile*" -exec sed -i 's/-Wframe-larger-than=[0-9]*/-Wframe-larger-than=4096/g' {} + | |
| grep -q "FRAME_WARN" common/Makefile || echo 'KBUILD_CFLAGS += -Wframe-larger-than=4096' >> common/Makefile | |
| - name: Install dependencies | |
| run: | | |
| sudo apt-get update | |
| sudo apt-get install -y build-essential flex bison libssl-dev libelf-dev bc python-is-python3 | |
| - name: Update ABI for Android 13 | |
| if: ${{ github.event.inputs.android_version == 13 }} | |
| run: | | |
| cd android-kernel | |
| BUILD_CONFIG=common/build.config.gki.${{ github.event.inputs.target_arch }} LTO=thin build/build_abi.sh --update | |
| - name: Build kernel module | |
| run: | | |
| cd android-kernel | |
| if [ ${{ github.event.inputs.android_version }} -le 13 ]; then | |
| BUILD_CONFIG=common/build.config.gki.${{ github.event.inputs.target_arch }} LTO=thin build/build.sh -j32 | |
| OUTPUT_PATH="out/android${{ github.event.inputs.android_version }}-${{ github.event.inputs.kernel_version }}/dist" | |
| else | |
| echo "Using Bazel build system for Android ${{ github.event.inputs.android_version }}" | |
| tools/bazel run --local_cpu_resources=50 --local_ram_resources=6144 //common:kernel_${{ github.event.inputs.target_arch }}_dist | |
| OUTPUT_PATH="out/kernel_${{ github.event.inputs.target_arch }}" | |
| fi | |
| echo "OUTPUT_PATH=$OUTPUT_PATH" >> $GITHUB_ENV | |
| continue-on-error: true | |
| - name: Upload artifacts | |
| uses: actions/upload-artifact@v4.6.2 | |
| with: | |
| name: kernel-driver-${{ github.event.inputs.target_arch }} | |
| path: | | |
| android-kernel/${{ env.OUTPUT_PATH }} |