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inherit image_types_uboot
# oe_mkimage() was defined in image_types_uboot. Howver, it does not consider
# the image load address and entry point. Override it here.
oe_mkimage () {
mkimage -A ${UBOOT_ARCH} -O linux -T ramdisk -C $2 -n ${IMAGE_NAME} \
-a ${UBOOT_IMAGE_LOADADDRESS} -e ${UBOOT_IMAGE_ENTRYPOINT} \
-d ${DEPLOY_DIR_IMAGE}/$1 ${DEPLOY_DIR_IMAGE}/$1.u-boot
}
UBOOT_IMAGE_ENTRYPOINT ?= "0x42000000"
UBOOT_IMAGE_LOADADDRESS ?= "${UBOOT_IMAGE_ENTRYPOINT}"
# 24M
IMAGE_ROOTFS_SIZE = "24576"
# and don't put overhead behind my back
IMAGE_OVERHEAD_FACTOR = "1"
IMAGE_PREPROCESS_COMMAND += " generate_data_mount_dir ; "
IMAGE_POSTPROCESS_COMMAND += " flash_image_generate ; "
FLASH_IMAGE_NAME ?= "flash-${MACHINE}-${DATETIME}"
FLASH_IMAGE_LINK ?= "flash-${MACHINE}"
# 16M
FLASH_SIZE ?= "16384"
FLASH_UBOOT_OFFSET ?= "0"
# 512k
FLASH_KERNEL_OFFSET ?= "512"
# 2.4M
FLASH_ROOTFS_OFFSET ?= "2304"
flash_image_generate() {
kernelfile="${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGETYPE}"
ubootfile="${DEPLOY_DIR_IMAGE}/u-boot.${UBOOT_SUFFIX}"
# rootfs has to match the type defined in IMAGE_FSTYPES"
rootfs="${DEPLOY_DIR_IMAGE}/${IMAGE_LINK_NAME}.cpio.lzma.u-boot"
if [ ! -f $kernelfile ]; then
echo "Kernel file ${kernelfile} does not exist"
return 1
fi
if [ ! -f $ubootfile ]; then
echo "U-boot file ${ubootfile} does not exist"
return 1
fi
if [ ! -f $rootfs ]; then
echo "Rootfs file ${rootfs} does not exist"
return 1
fi
dst="${DEPLOY_DIR_IMAGE}/${FLASH_IMAGE_NAME}"
rm -rf $dst
dd if=/dev/zero of=${dst} bs=1k count=${FLASH_SIZE}
dd if=${ubootfile} of=${dst} bs=1k seek=${FLASH_UBOOT_OFFSET}
dd if=${kernelfile} of=${dst} bs=1k seek=${FLASH_KERNEL_OFFSET}
dd if=${rootfs} of=${dst} bs=1k seek=${FLASH_ROOTFS_OFFSET}
dstlink="${DEPLOY_DIR_IMAGE}/${FLASH_IMAGE_LINK}"
rm -rf $dstlink
ln -sf ${FLASH_IMAGE_NAME} $dstlink
}
generate_data_mount_dir() {
mkdir -p "${IMAGE_ROOTFS}/mnt/data"
}
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