menuentry "Arch 2022.04.05 ISO" --class Arch {
set iso_file="/opt/iso/arch/latest/archlinux-2022.04.05-x86_64.iso"
search --set=iso_partition --no-floppy --file $iso_file
probe --set=iso_partition_uuid --fs-uuid $iso_partition
set img_dev="/dev/disk/by-uuid/$iso_partition_uuid"
loopback loop ($iso_partition)$iso_file
set boot_option=""
#set boot_option="quiet splash"
linux (loop)/arch/boot/x86_64/vmlinuz-linux img_dev=$img_dev img_loop=$iso_file $boot_option
initrd (loop)/arch/boot/intel-ucode.img (loop)/arch/boot/amd-ucode.img (loop)/arch/boot/x86_64/initramfs-linux.img
}