LLVM Linux Kernel #7
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| name: LLVM FOS 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 genisoimage grub-pc-bin xorriso curl | |
| - name: Build Kernel with LLVM | |
| run: | | |
| 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 | |
| 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: | | |
| mkdir -p rootfs/{bin,sbin,etc,proc,sys,usr/{bin,sbin}} | |
| sudo apt-get install -y busybox-static | |
| cp /bin/busybox rootfs/bin/ | |
| # Install Neofetch dependencies | |
| sudo apt-get install -y neofetch | |
| # Copy Neofetch to rootfs | |
| cp /usr/bin/neofetch rootfs/usr/bin/ | |
| # Modify the init script to run neofetch on boot | |
| cat << 'EOF' > rootfs/init | |
| #!/bin/sh | |
| mount -t proc none /proc | |
| mount -t sysfs none /sys | |
| echo "Welcome to FOS!" | |
| neofetch | |
| /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 | |
| 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: Create Bootable ISO | |
| run: | | |
| mkdir -p iso/boot/grub | |
| cp arch/x86/boot/bzImage iso/boot/ | |
| cp rootfs/initramfs.img iso/boot/ | |
| cat << EOF > iso/boot/grub/grub.cfg | |
| set default=0 | |
| set timeout=5 | |
| menuentry "FOS OS" { | |
| linux /boot/bzImage | |
| initrd /boot/initramfs.img | |
| } | |
| EOF | |
| genisoimage -U -r -J -V "FOS_OS" -b boot/grub/stage2_eltorito -no-emul-boot -boot-load-size 4 -boot-info-table -o fos_os.iso iso | |
| - name: Archive the ISO Artifact | |
| run: | | |
| tar -czvf fos-os-build.tar.gz fos_os.iso | |
| - 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 | |
| - name: Upload ISO Artifact | |
| uses: actions/upload-artifact@v3 | |
| with: | |
| name: iso-build | |
| path: fos-os-build.tar.gz | |
| release: | |
| name: Release FOS Kernel, RootFS, and ISO | |
| 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: Download ISO Artifact | |
| uses: actions/download-artifact@v3 | |
| with: | |
| name: iso-build | |
| - name: Create GitHub Release | |
| id: create_release | |
| uses: actions/create-release@v1 | |
| env: | |
| GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} | |
| with: | |
| tag_name: fos${{ github.run_number }} | |
| release_name: FOS 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 | |
| - name: Upload ISO 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: fos-os-build.tar.gz | |
| asset_name: fos-os-build.tar.gz | |
| asset_content_type: application/gzip |