Accelerated Qemu VM on M1 mac

run.sh

# install special build of Qemu
brew tap uenob/qemu-hvf
brew install --head qemu-hvf

# run it, here 12G RAM, A72 arm64 case:
/opt/homebrew/opt/qemu-hvf/bin/qemu-system-aarch64 \
    -M virt,accel=hvf,highmem=off \
    -m 12288 \
    -smp cores=4 \
    -cpu cortex-a72 \
    -drive file=edk2-aarch64-code.fd,if=pflash,format=raw,readonly=on \
    -drive file=freebsd13.qcow2,format=qcow2 \
    -nographic \
    -device virtio-net-device,netdev=en0 \
    -netdev user,id=en0,hostfwd=tcp::4445-:22 \
    -serial tcp::4444,server,telnet,nowait \
    -pidfile freebsd13.pid
    
# then on another terminal tab:

# for SSH:
ssh root@localhost -p 4445

# for telnet:
telnet localhost 4444