Architectures/RISC-V/Build Bootable Image

Build Fedora Image for RISC-V development board

Environment

We use latest Fedora Qemu image for RISC-V64 from riscv.rocks to boot a RISC-V Qemu for building a Fedora Remix image.

Appliance

Appliance-tools is used to build Fedora images, which has already installed in the image.

• Download image and Uncompress

$ wget http://fedora.riscv.rocks/kojifiles/work/tasks/8517/1128517/Fedora-Developer-Rawhide-20210421.n.0-sda.raw.xz $ xz -d Fedora-Developer-Rawhide-20210421.n.0-sda.raw.xz

• Download Firmware

$ wget

• Resize images

The original image size is not enough for image building, we need enlarge it first.

$ qemu-img resize Fedora-Developer-Rawhide-20210421.n.0-sda.raw +40G

• Boot RISC-V Qemu

qemu-system-riscv64 -nographic \

                      -machine virt \
                      -smp 4 \
                      -m 2G \
                      -kernel fw_payload-uboot-qemu-virt-smode.bin \
                      -bios none \
                      -object rng-random,filename=/dev/urandom,id=rng0 \
                      -device virtio-rng-device,rng=rng0 \
                      -device virtio-blk-device,drive=hd0 \
                      -drive file=Fedora-Developer-Rawhide-20210421.n.0-sda.raw,format=raw,id=hd0 \
                      -device virtio-net-device,netdev=usernet \
                      -netdev user,id=usernet,hostfwd=tcp::10000-:22

• Resize root file system on Qemu

1. growpart /dev/vda 2
2. resize2fs /dev/vda2

• Prepare kick start file

Kick start files from [riscv.rocks](https://riscv.rocks) is [here](http://fedora.riscv.rocks:3000/davidlt/fedora-riscv-kickstarts.git). Your own kick start file can be modified from these files.

• Run appliance tool to build new image

1. appliance-creator -c kickstartfile.ks --cache /cache/dir --format raw --name image-name --version image-version --release image-release -o /output/dir