diff options
Diffstat (limited to 'meta/classes/bootimg.bbclass')
| -rw-r--r-- | meta/classes/bootimg.bbclass | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/meta/classes/bootimg.bbclass b/meta/classes/bootimg.bbclass index 49ee85ea72..bcae2aeab1 100644 --- a/meta/classes/bootimg.bbclass +++ b/meta/classes/bootimg.bbclass @@ -62,13 +62,21 @@ build_boot_bin() { install -m 444 ${STAGING_LIBDIR}/syslinux/ldlinux.sys ${HDDDIR}/ldlinux.sys - # Do a little math, bash style - #BLOCKS=`du -s ${HDDDIR} | cut -f 1` - BLOCKS=`du -bks ${HDDDIR} | cut -f 1` - SIZE=`expr $BLOCKS + ${BOOTIMG_EXTRA_SPACE}` - - mkdosfs -n ${BOOTIMG_VOLUME_ID} -d ${HDDDIR} \ - -C ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.hddimg $SIZE + # Determine the 1024 byte block count for the final image. + BLOCKS=`du --apparent-size -ks ${HDDDIR} | cut -f 1` + SIZE=`expr $BLOCKS + ${BOOTIMG_EXTRA_SPACE}` + + # Ensure total sectors is an integral number of sectors per + # track or mcopy will complain. Sectors are 512 bytes, and and + # we generate images with 32 sectors per track. This calculation + # is done in blocks, which are twice the size of sectors, thus + # the 16 instead of 32. + SIZE=$(expr $SIZE + $(expr 16 - $(expr $SIZE % 16))) + + IMG=${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.hddimg + mkdosfs -n ${BOOTIMG_VOLUME_ID} -S 512 -C ${IMG} ${SIZE} + # Copy HDDDIR recursively into the image file directly + mcopy -i ${IMG} -s ${HDDDIR}/* ::/ syslinux ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.hddimg chmod 644 ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.hddimg |