root@debian:/home/hamdy/master/poky#  cat /home/hamdy/master/poky/scripts/lib/wic/canned-wks/mkefidisk.wks
# short-description: Create an EFI disk image
# long-description: Creates a partitioned EFI disk image that the user
# can directly dd to boot media.

part /boot --source bootimg-efi --sourceparams="loader=grub-efi" --ondisk sda --label msdos --active --align 1024

part / --source rootfs --ondisk sda --fstype=ext4 --label platform --align 1024

part swap --ondisk sda --size 44 --label swap1 --fstype=swap

bootloader  --timeout=10  --append="rootwait rootfstype=ext4 console=ttyPCH0,115200 console=tty0 vmalloc=256MB snd-hda-intel.enable_msi=0"