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|
inherit sdcard_image-rpi
IMAGE_CMD_rpi-sdimg () {
# Get rootfs size
if echo "${SDIMG_ROOTFS_TYPE}" | egrep -q "*\.xz"
then
ROOTPART_SIZE=`xz -l --robot ${SDIMG_ROOTFS} | grep "^file" | cut -f`
else
ROOTPART_SIZE=`du -Lb ${SDIMG_ROOTFS} | cut -f1`
fi
ROOTPART_SIZE=$(expr ${ROOTPART_SIZE} / 1024)
# just in case our file system block size is not a multiple of 1KiB
if [ $(expr ${ROOTPART_SIZE} % 1024) != 0 ];
then
ROOTPART_SIZE=$(expr ${ROOTPART_SIZE} + 1)
fi
# Align partitions
BOOT_SPACE_ALIGNED=$(expr ${BOOT_SPACE} + ${IMAGE_ROOTFS_ALIGNMENT} - 1)
BOOT_SPACE_ALIGNED=$(expr ${BOOT_SPACE_ALIGNED} - ${BOOT_SPACE_ALIGNED} % ${IMAGE_ROOTFS_ALIGNMENT})
SDIMG_SIZE=$(expr ${IMAGE_ROOTFS_ALIGNMENT} + ${BOOT_SPACE_ALIGNED} + $ROOTPART_SIZE)
echo "Creating filesystem with Boot partition ${BOOT_SPACE_ALIGNED} KiB and RootFS $ROOTPART_SIZE KiB"
# Check if we are building with device tree support
DTS="${@get_dts(d, None)}"
# Initialize sdcard image file
dd if=/dev/zero of=${SDIMG} bs=1024 count=0 seek=${SDIMG_SIZE}
# Create partition table
parted -s ${SDIMG} mklabel msdos
# Create boot partition and mark it as bootable
parted -s ${SDIMG} unit KiB mkpart primary fat32 ${IMAGE_ROOTFS_ALIGNMENT} $(expr ${BOOT_SPACE_ALIGNED} \+ ${IMAGE_ROOTFS_ALIGNMENT})
parted -s ${SDIMG} set 1 boot on
# Create rootfs partition to the end of disk
parted -s ${SDIMG} -- unit KiB mkpart primary ext2 $(expr ${BOOT_SPACE_ALIGNED} \+ ${IMAGE_ROOTFS_ALIGNMENT}) -1s
parted ${SDIMG} print
# Create a vfat image with boot files
BOOT_BLOCKS=$(LC_ALL=C parted -s ${SDIMG} 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
mcopy -i ${WORKDIR}/boot.img -s ${DEPLOY_DIR_IMAGE}/bcm2835-bootfiles/* ::/
case "${KERNEL_IMAGETYPE}" in
"uImage")
mcopy -i ${WORKDIR}/boot.img -s ${DEPLOY_DIR_IMAGE}/u-boot.img ::${SDIMG_KERNELIMAGE}
mcopy -i ${WORKDIR}/boot.img -s ${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGETYPE}${KERNEL_INITRAMFS}-${MACHINE}.bin ::uImage
;;
*)
if test -n "${DTS}"; then
# Device Tree Overlays are assumed to be suffixed by '-overlay.dtb' string and will be put in a dedicated folder
DT_OVERLAYS="${@split_overlays(d, 0)}"
DT_ROOT="${@split_overlays(d, 1)}"
# Copy board device trees to root folder
for DTB in ${DT_ROOT}; do
DTB_BASE_NAME=`basename ${DTB} .dtb`
mcopy -i ${WORKDIR}/boot.img -s ${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGETYPE}-${DTB_BASE_NAME}.dtb ::${DTB_BASE_NAME}.dtb
done
# Copy device tree overlays to dedicated folder
mmd -i ${WORKDIR}/boot.img overlays
for DTB in ${DT_OVERLAYS}; do
DTB_BASE_NAME=`basename ${DTB} .dtb`
mcopy -i ${WORKDIR}/boot.img -s ${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGETYPE}-${DTB_BASE_NAME}.dtb ::overlays/${DTB_BASE_NAME}.dtbo
done
fi
mcopy -i ${WORKDIR}/boot.img -s ${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGETYPE}${KERNEL_INITRAMFS}-${MACHINE}.bin ::${SDIMG_KERNELIMAGE}
;;
esac
if [ -n ${FATPAYLOAD} ] ; then
echo "Copying payload into VFAT"
for entry in ${FATPAYLOAD} ; do
# add the || true to stop aborting on vfat issues like not supporting .~lock files
mcopy -i ${WORKDIR}/boot.img -s -v ${IMAGE_ROOTFS}$entry :: || true
done
fi
# Add stamp file
echo "${IMAGE_NAME}-${IMAGEDATESTAMP}" > ${WORKDIR}/image-version-info
mcopy -i ${WORKDIR}/boot.img -v ${WORKDIR}//image-version-info ::
# Burn Partitions
dd if=${WORKDIR}/boot.img of=${SDIMG} conv=notrunc seek=1 bs=$(expr ${IMAGE_ROOTFS_ALIGNMENT} \* 1024) && sync && sync
# If SDIMG_ROOTFS_TYPE is a .xz file use xzcat
if echo "${SDIMG_ROOTFS_TYPE}" | egrep -q "*\.xz"
then
xzcat ${SDIMG_ROOTFS} | dd of=${SDIMG} conv=notrunc seek=1 bs=$(expr 1024 \* ${BOOT_SPACE_ALIGNED} + ${IMAGE_ROOTFS_ALIGNMENT} \* 1024) && sync && sync
else
dd if=${SDIMG_ROOTFS} of=${SDIMG} conv=notrunc seek=1 bs=$(expr 1024 \* ${BOOT_SPACE_ALIGNED} + ${IMAGE_ROOTFS_ALIGNMENT} \* 1024) && sync && sync
fi
# Optionally apply compression
case "${SDIMG_COMPRESSION}" in
"gzip")
gzip -k9 "${SDIMG}"
;;
"bzip2")
bzip2 -k9 "${SDIMG}"
;;
"xz")
xz -k "${SDIMG}"
;;
esac
}
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