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bootimg.bbclass:hddimg: check the size of rootfs.img for hddimg

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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]

(From OE-Core rev: a82f62627f79761e1b09b8f54896a9f85a591443)

Signed-off-by: Robert Yang <liezhi.yang@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Robert Yang
2015-06-29 20:06:38 -07:00
committed by Richard Purdie
parent b3c79c4d0f
commit 5c71337cd7
1 changed files with 13 additions and 0 deletions
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13
meta/classes/bootimg.bbclass
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@@ -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