define Build/cros-gpt cp $@ $@.tmp 2>/dev/null || true ptgen -o $@.tmp -g \ -T cros_kernel -N kernel -p $(CONFIG_TARGET_KERNEL_PARTSIZE)m \ -N rootfs -p $(CONFIG_TARGET_ROOTFS_PARTSIZE)m cat $@.tmp >> $@ rm $@.tmp endef define Build/append-kernel-part dd if=$(IMAGE_KERNEL) bs=$(CONFIG_TARGET_KERNEL_PARTSIZE)M conv=sync >> $@ endef # NB: Chrome OS bootloaders replace the '%U' in command lines with the UUID of # the kernel partition it chooses to boot from. This gives a flexible way to # consistently build and sign kernels that always use the subsequent # (PARTNROFF=1) partition as their rootfs. define Build/cros-vboot $(STAGING_DIR_HOST)/bin/cros-vbutil \ -k $@ -c "root=PARTUUID=%U/PARTNROFF=1" -o $@.new @mv $@.new $@ endef define Device/google_wifi DEVICE_VENDOR := Google DEVICE_MODEL := WiFi (Gale) SOC := qcom-ipq4019 KERNEL_SUFFIX := -fit-zImage.itb.vboot KERNEL = kernel-bin | fit none $$(DTS_DIR)/$$(DEVICE_DTS).dtb | cros-vboot KERNEL_NAME := zImage IMAGES += factory.bin IMAGE/factory.bin := cros-gpt | append-kernel-part | append-rootfs DEVICE_PACKAGES := partx-utils mkf2fs e2fsprogs \ kmod-fs-ext4 kmod-fs-f2fs kmod-google-firmware endef TARGET_DEVICES += google_wifi