# load EFI video modules if [ "${grub_platform}" == "efi" ]; then insmod efi_gop insmod efi_uga fi # create and activate serial console function setup_serial { # initialize the first serial port by default if [ "${console_type}" == "ttyS" ]; then serial --unit=${console_num} else serial --unit=0 fi terminal_output --append serial console terminal_input --append serial console } setup_serial # find root device #search --no-floppy --fs-uuid --set=root ${root_uuid}