target/linux/ipq40xx/image/chromium.mk

   1 define Build/cros-gpt
   2         cp $@ $@.tmp 2>/dev/null || true
   3         ptgen -o $@.tmp -g \
   4                 -T cros_kernel  -N kernel -p $(CONFIG_TARGET_KERNEL_PARTSIZE)m \
   5                                 -N rootfs -p $(CONFIG_TARGET_ROOTFS_PARTSIZE)m
   6         cat $@.tmp >> $@
   7         rm $@.tmp
   8 endef
   9
  10 define Build/append-kernel-part
  11         dd if=$(IMAGE_KERNEL) bs=$(CONFIG_TARGET_KERNEL_PARTSIZE)M conv=sync >> $@
  12 endef
  13
  14 # NB: Chrome OS bootloaders replace the '%U' in command lines with the UUID of
  15 # the kernel partition it chooses to boot from. This gives a flexible way to
  16 # consistently build and sign kernels that always use the subsequent
  17 # (PARTNROFF=1) partition as their rootfs.
  18 define Build/cros-vboot
  19         $(STAGING_DIR_HOST)/bin/cros-vbutil \
  20                 -k $@ -c "root=PARTUUID=%U/PARTNROFF=1" -o $@.new
  21         @mv $@.new $@
  22 endef