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|
inherit image_types
# Boot partition volume id
BOOTDD_VOLUME_ID ?= "${MACHINE}"
# Boot partition size [in KiB] (will be rounded up to IMAGE_ROOTFS_ALIGNMENT)
BOOT_SPACE ?= "4096"
IMAGE_ROOTFS_ALIGNMENT = "4096"
SDIMG_OTA_ROOTFS_TYPE ?= "otaimg"
SDIMG_OTA_ROOTFS = "${DEPLOY_DIR_IMAGE}/${IMAGE_LINK_NAME}.${SDIMG_OTA_ROOTFS_TYPE}"
IMAGE_TYPEDEP_porter-sdimg-ota = "${SDIMG_OTA_ROOTFS_TYPE}"
IMAGE_DEPENDS_porter-sdimg-ota = " \
parted-native \
mtools-native \
dosfstools-native \
porter-bootfiles \
"
SDIMG_OTA = "${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.porter-sdimg-ota"
IMAGE_CMD_porter-sdimg-ota () {
OTAROOT_SIZE=`du -Lb ${SDIMG_OTA_ROOTFS} | cut -f1`
OTAROOT_SIZE=$(expr ${OTAROOT_SIZE} / 1024 + 1)
BOOT_SPACE_ALIGNED=$(expr ${BOOT_SPACE} + ${IMAGE_ROOTFS_ALIGNMENT} - 1)
BOOT_SPACE_ALIGNED=$(expr ${BOOT_SPACE_ALIGNED} - ${BOOT_SPACE_ALIGNED} % ${IMAGE_ROOTFS_ALIGNMENT})
SDIMG_OTA_SIZE=$(expr ${IMAGE_ROOTFS_ALIGNMENT} + ${BOOT_SPACE_ALIGNED} + $OTAROOT_SIZE)
echo "Creating filesystem with Boot partition ${BOOT_SPACE_ALIGNED} KiB and RootFS $OTAROOT_SIZE KiB"
# Initialize sdcard image file
dd if=/dev/zero of=${SDIMG_OTA} bs=1024 count=0 seek=${SDIMG_OTA_SIZE}
# Create partition table
parted -s ${SDIMG_OTA} mklabel msdos
# Create boot partition and mark it as bootable
parted -s ${SDIMG_OTA} unit KiB mkpart primary fat32 ${IMAGE_ROOTFS_ALIGNMENT} $(expr ${BOOT_SPACE_ALIGNED} \+ ${IMAGE_ROOTFS_ALIGNMENT})
parted -s ${SDIMG_OTA} set 1 boot on
# Create rootfs partition to the end of disk
parted -s ${SDIMG_OTA} -- unit KiB mkpart primary ext2 $(expr ${BOOT_SPACE_ALIGNED} \+ ${IMAGE_ROOTFS_ALIGNMENT}) -1s
parted ${SDIMG_OTA} print
# Create a vfat image with boot files
BOOT_BLOCKS=$(LC_ALL=C parted -s ${SDIMG_OTA} unit b print | awk '/ 1 / { print substr($4, 1, length($4 -1)) / 512 /2 }')
rm -f ${WORKDIR}/boot.img
mkfs.vfat -n "${BOOTDD_VOLUME_ID}" -S 512 -C ${WORKDIR}/boot.img $BOOT_BLOCKS
sync
mcopy -i ${WORKDIR}/boot.img -s ${DEPLOY_DIR_IMAGE}/porter-bootfiles/* ::/
sync
dd if=${WORKDIR}/boot.img of=${SDIMG_OTA} conv=notrunc seek=1 bs=$(expr ${IMAGE_ROOTFS_ALIGNMENT} \* 1024) && sync && sync
if echo "${SDIMG_OTA_ROOTFS_TYPE}" | egrep -q "*\.xz"
then
xzcat ${SDIMG_OTA_ROOTFS} | dd of=${SDIMG_OTA} conv=notrunc seek=1 bs=$(expr 1024 \* ${BOOT_SPACE_ALIGNED} + ${IMAGE_ROOTFS_ALIGNMENT} \* 1024) && sync && sync
else
dd if=${SDIMG_OTA_ROOTFS} of=${SDIMG_OTA} conv=notrunc seek=1 bs=$(expr 1024 \* ${BOOT_SPACE_ALIGNED} + ${IMAGE_ROOTFS_ALIGNMENT} \* 1024) && sync && sync
fi
# Optionally apply compression
case "${SDIMG_OTA_COMPRESSION}" in
"gzip")
gzip -k9 "${SDIMG_OTA}"
;;
"bzip2")
bzip2 -k9 "${SDIMG_OTA}"
;;
"xz")
xz -k "${SDIMG_OTA}"
;;
esac
}
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