LLVM Linux Kernel #3
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| name: LLVM Linux Kernel | |
| on: | |
| push: | |
| branches: | |
| - main | |
| pull_request: | |
| branches: | |
| - main | |
| workflow_dispatch: | |
| jobs: | |
| build: | |
| name: Build Kernel | |
| runs-on: ubuntu-latest | |
| steps: | |
| - name: Checkout code | |
| uses: actions/checkout@v2 | |
| - name: Set up dependencies | |
| run: | | |
| sudo apt-get update | |
| sudo apt-get install -y clang llvm lld build-essential libncurses-dev bison flex libssl-dev libelf-dev cpio | |
| - name: Build Kernel with LLVM | |
| run: | | |
| # Set LLVM environment variables | |
| export CC=clang | |
| export LD=ld.lld | |
| export AR=llvm-ar | |
| export NM=llvm-nm | |
| export OBJCOPY=llvm-objcopy | |
| export OBJDUMP=llvm-objdump | |
| export STRIP=llvm-strip | |
| # Build with LLVM | |
| make defconfig | |
| make -j$(nproc) CC=clang LD=ld.lld | |
| - name: Archive the Kernel Artifact | |
| run: | | |
| tar -czvf kernel-build.tar.gz arch/x86/boot/bzImage | |
| - name: Build Root Filesystem | |
| run: | | |
| # Prepare root filesystem structure | |
| mkdir -p rootfs/{bin,sbin,etc,proc,sys,usr/{bin,sbin}} | |
| # Copy busybox or basic binaries (assuming busybox is already available) | |
| # Install busybox if not available | |
| sudo apt-get install -y busybox | |
| cp /bin/busybox rootfs/bin/ | |
| chroot rootfs /bin/busybox --install -s | |
| # Create init file | |
| cat << 'EOF' > rootfs/init | |
| #!/bin/sh | |
| mount -t proc none /proc | |
| mount -t sysfs none /sys | |
| echo "Welcome to your custom OS!" | |
| /bin/sh | |
| EOF | |
| chmod +x rootfs/init | |
| # Create initramfs image | |
| cd rootfs | |
| find . | cpio -H newc -ov --owner root:root | gzip > ../initramfs.img | |
| - name: Archive the RootFS Artifact | |
| run: | | |
| tar -czvf rootfs-build.tar.gz initramfs.img | |
| - name: Upload Kernel Artifact | |
| uses: actions/upload-artifact@v3 | |
| with: | |
| name: kernel-build | |
| path: kernel-build.tar.gz | |
| - name: Upload RootFS Artifact | |
| uses: actions/upload-artifact@v3 | |
| with: | |
| name: rootfs-build | |
| path: rootfs-build.tar.gz | |
| release: | |
| name: Release Kernel & RootFS | |
| needs: build | |
| runs-on: ubuntu-latest | |
| steps: | |
| - name: Download Kernel Artifact | |
| uses: actions/download-artifact@v3 | |
| with: | |
| name: kernel-build | |
| - name: Download RootFS Artifact | |
| uses: actions/download-artifact@v3 | |
| with: | |
| name: rootfs-build | |
| - name: Create GitHub Release | |
| id: create_release | |
| uses: actions/create-release@v1 | |
| env: | |
| GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} | |
| with: | |
| tag_name: llVm${{ github.run_number }} | |
| release_name: LLVM Build v${{ github.run_number }} | |
| draft: false | |
| prerelease: false | |
| - name: Upload Kernel to Release | |
| uses: actions/upload-release-asset@v1 | |
| env: | |
| GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} | |
| with: | |
| upload_url: ${{ steps.create_release.outputs.upload_url }} | |
| asset_path: kernel-build.tar.gz | |
| asset_name: kernel-build.tar.gz | |
| asset_content_type: application/gzip | |
| - name: Upload RootFS to Release | |
| uses: actions/upload-release-asset@v1 | |
| env: | |
| GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} | |
| with: | |
| upload_url: ${{ steps.create_release.outputs.upload_url }} | |
| asset_path: rootfs-build.tar.gz | |
| asset_name: rootfs-build.tar.gz | |
| asset_content_type: application/gzip |