The hddimg uses FAT, so the single file size should be less than 4GB,
otherwise errors, check that and error out.
Another way might be use ext2/3/4 rather than FAT, but EFI only supports
FAT, if we make EFI use FAT, and non-EFI use extX, that would the code
very different, which seems not worth.
[YOCTO #6449]
Signed-off-by: Robert Yang <liezhi.y...@windriver.com>
---
meta/classes/bootimg.bbclass | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/meta/classes/bootimg.bbclass b/meta/classes/bootimg.bbclass
index 605edc9..ab1d1bd 100644
--- a/meta/classes/bootimg.bbclass
+++ b/meta/classes/bootimg.bbclass
@@ -249,6 +249,19 @@ build_hddimg() {
efi_hddimg_populate ${HDDDIR}
fi
+ # Check the size of ${HDDDIR}/rootfs.img, error out if it
+ # exceeds 4GB, it is the single file's max size of FAT fs.
+ if [ -f ${HDDDIR}/rootfs.img ]; then
+ rootfs_img_size=`stat -c '%s' ${HDDDIR}/rootfs.img`
+ max_size=`expr 4 \* 1024 \* 1024 \* 1024`
+ if [ $rootfs_img_size -gt $max_size ]; then
+ bberror "${HDDDIR}/rootfs.img execeeds 4GB,"
+ bberror "this doesn't work on FAT filesystem,
you can try either of:"
+ bberror "1) Reduce the size of rootfs.img"
+ bbfatal "2) Use iso, vmdk or vdi to instead of
hddimg\n"
+ fi
+ fi
+
build_fat_img ${HDDDIR} ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.hddimg
if [ "${PCBIOS}" = "1" ]; then
--
1.7.9.5
--
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