n2100_pack_image() { # find latest kernel KERNEL=`ls -tr ${DEPLOY_DIR_IMAGE}/zImage* | tail -1` if [ -z "$KERNEL" ]; then oefatal "No kernel found in ${DEPLOY_DIR_IMAGE}. Bitbake linux to create one." exit 1 fi ROOTFS=${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.jffs2 OUTPUT=${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.flash.img PADFILE=${DEPLOY_DIR_IMAGE}/padfile.zzz HEX_MAX_KERN_SIZE=1C0000 DEC_MAX_KERN_SIZE=`echo "ibase=16; $HEX_MAX_KERN_SIZE" | bc ` HEX_MAX_ROOT_SIZE=DC0000 DEC_MAX_ROOT_SIZE=`echo "ibase=16; $HEX_MAX_ROOT_SIZE" | bc ` KERNEL_SIZE=`ls -l $KERNEL | awk '{print $5}'` if [ $KERNEL_SIZE -gt $DEC_MAX_KERN_SIZE ]; then oefatal "Kernel too large at $KERNEL_SIZE bytes. Max is $DEC_MAX_KERN_SIZE." exit 1 fi ROOT_SIZE=`ls -l $ROOTFS | awk '{print $5}'` if [ $ROOT_SIZE -gt $DEC_MAX_ROOT_SIZE ]; then oefatal "Rootfs is too large at $ROOT_SIZE bytes. Max is $DEC_MAX_ROOT_SIZE." exit 1 fi PAD_SIZE=`echo "$DEC_MAX_KERN_SIZE - $KERNEL_SIZE" | bc ` dd if=/dev/zero of=$PADFILE bs=$PAD_SIZE count=1 2>>/dev/null cat $KERNEL $PADFILE $ROOTFS > $OUTPUT rm -f $PADFILE ls -l $OUTPUT }