inherit image IMAGE_CMD_sdimg () { SDIMG=${WORKDIR}/sd.img # cleanup loops for loop in $(losetup -j ${SDIMG}); do loop_dev=$(echo $loop|cut -d ":" -f 1) umount $loop_dev || true losetup -d $loop_dev || true done dd if=/dev/zero of=${SDIMG} bs=$(echo '255 * 63 * 512' | bc) count=444 losetup -f ${SDIMG} LOOPDEV=$(losetup -j ${SDIMG} -o 0 | cut -d ":" -f 1) # Create partition table #dd if=/dev/zero of=${LOOPDEV} bs=1024 count=1024 SIZE=`fdisk -l ${LOOPDEV} | grep Disk | grep bytes | awk '{print $5}'` CYLINDERS=`echo $SIZE/255/63/512 | bc` { echo ,9,0x0C,* echo ,,,- } | sfdisk -D -H 255 -S 63 -C ${CYLINDERS} ${LOOPDEV} # Prepare loop devices for boot and filesystem partitions BOOT_OFFSET=32256 FS_OFFSET_SECT=$(/sbin/fdisk -l -u $LOOPDEV 2>&1 | grep Linux | perl -p -i -e "s/\s+/ /"|cut -d " " -f 2) FS_OFFSET=$(echo "$FS_OFFSET_SECT * 512" | bc) FS_SIZE_BLOCKS=$(/sbin/fdisk -l -u $LOOPDEV 2>&1 | grep Linux | perl -p -i -e "s/\s+/ /g" \ |cut -d " " -f 4 | cut -d "+" -f 1) LOOPDEV_BLOCKS=$(/sbin/fdisk -l -u $LOOPDEV 2>&1 | grep FAT | perl -p -i -e "s/\s+/ /g"|cut -d " " -f 5) LOOPDEV_BYTES=$(echo "$LOOPDEV_BLOCKS * 1024" | bc) losetup -f ${SDIMG} -o ${BOOT_OFFSET} --sizelimit=$LOOPDEV_BYTES LOOPDEV_BOOT=$(losetup -j ${SDIMG} -o ${BOOT_OFFSET} | cut -d ":" -f 1) mkfs.msdos ${LOOPDEV_BOOT} -n boot losetup -f ${SDIMG} -o ${FS_OFFSET} LOOPDEV_FS=$(losetup -j ${SDIMG} -o ${FS_OFFSET} | cut -d ":" -f 1) # Prepare filesystem partition # Copy ubi used by flashing scripts if [ -e ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.ubi ] ; then echo "Copying UBIFS image to file system" cp ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.ubi ${IMAGE_ROOTFS}/boot/fs.ubi fi ROOTFS_SIZE="$(du -ks ${IMAGE_ROOTFS} | awk '{print 65536 + $1}')" genext2fs -b ${FS_SIZE_BLOCKS} -d ${IMAGE_ROOTFS} ${LOOPDEV_FS} tune2fs -j ${LOOPDEV_FS} # Prepare boot partion. First mount the boot partition, and copy the boot loader and supporting files # from the root filesystem # sanity check fstab entry for boot partition mounting if [ "x$(cat /etc/fstab | grep $LOOPDEV_BOOT | grep ${WORKDIR}/tmp-mnt-boot | grep user || true)" = "x" ]; then echo "/etc/fstab entries need to be created with the user flag for $LOOPDEV_BOOT like:" echo "$LOOPDEV_BOOT ${WORKDIR}/tmp-mnt-boot msdos user 0 0" false fi mkdir -p ${WORKDIR}/tmp-mnt-boot mount $LOOPDEV_BOOT echo "Copying bootloaders into the boot partition" cp -v ${IMAGE_ROOTFS}/boot/MLO ${WORKDIR}/tmp-mnt-boot cp -v ${IMAGE_ROOTFS}/boot/{u-boot.bin,user.txt,uEnv.txt} ${WORKDIR}/tmp-mnt-boot || true # cleanup umount ${LOOPDEV_BOOT} /sbin/losetup -d ${LOOPDEV} /sbin/losetup -d ${LOOPDEV_BOOT} /sbin/losetup -d ${LOOPDEV_FS} gzip -c ${WORKDIR}/sd.img > ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}-${PR}.img.gz }