LLVM Linux Kernel #5
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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}} | ||
| # Install busybox-static for a self-contained binary | ||
| sudo apt-get install -y busybox-static | ||
| cp /bin/busybox rootfs/bin/ | ||
| # 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 symlinks for busybox commands | ||
| for cmd in $(rootfs/bin/busybox --list); do | ||
| [ ! -e rootfs/bin/$cmd ] && ln -s /bin/busybox rootfs/bin/$cmd | ||
| done | ||
| # 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 | ||
