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start FreeBSD riscv64 VM on x86_64 linux host

21 Aug 2022

prepare linux host: deploy Fedora-36 and install qemu-system-riscv and configure user permission

curl -s https://raw.githubusercontent.com/tcler/kiss-vm-ns/master/utils/kiss-update.sh|sudo bash && sudo vm prepare
#or just
sudo dnf install -y qemu-system-riscv;

download freeBSD opensbi and u-boot pkg for linux

according: freebsd:opensbi freebsd:u-boot-qemu-riscv64

mkdir -p tmp; cd tmp;
wget https://pkg.freebsd.org/FreeBSD:13:amd64/latest/All/opensbi-1.1.pkg
wget https://pkg.freebsd.org/FreeBSD:13:amd64/latest/All/u-boot-qemu-riscv64-2022.04_1.pkg
for pkg in opensbi-1.1.pkg u-boot-qemu-riscv64-2022.04_1.pkg; do
    mv ${pkg}{,.xz}; unxz ${pkg}.xz;
    mv ${pkg}{,.tar}; tar xfv ${pkg}.tar
done

download FreeBSD riscv64 VM image

wget https://download.freebsd.org/ftp/releases/VM-IMAGES/13.0-RELEASE/riscv64/Latest/FreeBSD-13.0-RELEASE-riscv-riscv64.qcow2.xz
# or
wget https://download.freebsd.org/ftp/snapshots/VM-IMAGES/14.0-CURRENT/riscv64/Latest/FreeBSD-14.0-CURRENT-riscv-riscv64.qcow2.xz

unxz FreeBSD-14.0-CURRENT-riscv-riscv64.qcow2.xz

start by using qemu-system-riscv64

according: freebsd-wiki/riscv/qemu:Boot_Freebsd

qemu-system-riscv64 \
    -machine virt \
    -smp 8 \
    -m 2048 \
    -nographic \
    -bios /home/my/tmp/usr/local/share/opensbi/lp64/generic/firmware/fw_jump.elf \
    -kernel /home/my/tmp/usr/local/share/u-boot/u-boot-qemu-riscv64/u-boot.bin \
    -drive file=./FreeBSD-14.0-CURRENT-riscv-riscv64.qcow2,format=qcow2,id=hd0 \
    -device virtio-blk-device,drive=hd0 \
    -netdev bridge,id=vbr0,br=virbr0 -device virtio-net-pci,netdev=vbr0,id=nic1 \
    #other options
    
#ref: https://beroal.livejournal.com/81163.html?

start by using virt-install ?

I haven’t start it successfully by using virt-install,, or kiss-vm

TODO

according: howto-do-qemu-full-virtualization-with-macvtap-networking

  • try to add macvtap to vm: 
    ifname=macvtap0

  -net nic,model=virtio,macaddr=$(cat /sys/class/net/$ifname/address) \
  -net tap,fd=3 3<>/dev/tap$(cat /sys/class/net/$ifname/ifindex)

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