diff options
Diffstat (limited to 'classes/n2100-image.bbclass')
| -rw-r--r-- | classes/n2100-image.bbclass | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/classes/n2100-image.bbclass b/classes/n2100-image.bbclass new file mode 100644 index 0000000000..811b1d37b7 --- /dev/null +++ b/classes/n2100-image.bbclass @@ -0,0 +1,36 @@ +DEPENDS += "openssl-native" +EXTRA_IMAGECMD = "--little-endian" +ERASEBLOCK_SIZE = "0x20000" +IMAGE_FSTYPES = "jffs2" +IMAGE_POSTPROCESS_COMMAND += '${MACHINE}_pack_image;' + +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 +} |