Richard Liu says to Ubuntu 台灣社群
# mkdir -p /boot/efi # mount /dev/nvme0n1p1 /boot/efi # echo 'GRUB_PLATFORMS="efi-64"' >> /etc/portage/make.conf # emerge --ask sys-boot/grub:2 # emerge efibootmgr # grub-install --target=arm64-efi --efi-directory=/boot/efi --bootloader-id=Gentoo