TG-332: Add Github action for building Linux kernel #48
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| name: Build Linux Kernel (siklu_arm64_defconfig) | |
| on: | |
| workflow_dispatch: | |
| push: | |
| branches: | |
| - tg-v6.12 | |
| pull_request: | |
| branches: | |
| - tg-v6.12 | |
| jobs: | |
| build: | |
| runs-on: ubuntu-latest | |
| env: | |
| ARCH: arm64 | |
| CROSS_COMPILE: aarch64-linux-gnu- | |
| steps: | |
| - name: Log runner CPU info | |
| run: | | |
| echo "CPU core count: $(nproc)" | |
| echo "Processor info:" | |
| lscpu | |
| - name: Install dependencies | |
| run: | | |
| sudo apt-get update | |
| sudo apt-get install -y build-essential bc flex bison libssl-dev libncurses-dev crossbuild-essential-arm64 gcc-aarch64-linux-gnu g++-aarch64-linux-gnu | |
| - name: Configure kernel (siklu_arm64_defconfig ) | |
| run: make ARCH=arm64 siklu_arm64_defconfig | |
| - name: Checkout repository | |
| uses: actions/checkout@v4 | |
| - name: Cache build dependencies and kernel outputs | |
| uses: actions/cache@v4 | |
| with: | |
| # --- Optimized Cache Path: Targeting ALL generated, costly artifacts --- | |
| path: | | |
| .config # The configuration file (Input to the build system) | |
| vmlinux # The final, linked kernel binary (ELF) | |
| arch/arm64/boot/Image # The final compressed kernel image | |
| Module.symvers # Essential global symbol metadata | |
| modules.order # Module load order definition | |
| vmlinux.o # Crucial intermediate linker object file | |
| **/*.ko # All compiled kernel modules (Kernel Objects) | |
| **/*.o # All intermediate object files (core incremental build acceleration) | |
| **/*.cmd # Kbuild command tracking files (for dependency checking) | |
| **/*.d # Kbuild dependency files | |
| **/*.lds # Linker script outputs (e.g., vmlinux.lds) | |
| **/*.s # Generated assembly files | |
| **/*.dtb # Generated Device Tree Blobs (if compiled in-tree) | |
| include/generated/utsrelease.h # Generated version header | |
| include/generated/compile.h # Generated compile header | |
| # --- Integrity Cache Key: Ensures cache is reused only if core inputs are identical --- | |
| key: ${{ runner.os }}-kernel-${{ hashFiles('.config', 'arch/arm64/Makefile') }} | |
| restore-keys: | | |
| ${{ runner.os }}-kernel- | |
| - name: Build kernel with arm64 architecture | |
| run: make -j$(nproc) | |
| - name: Archive kernel image | |
| uses: actions/upload-artifact@v4 | |
| with: | |
| name: kernel-image | |
| path: arch/arm64/boot/Image |