diff options
| author | nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2007-02-25 17:59:23 +0000 |
|---|---|---|
| committer | nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2007-02-25 17:59:23 +0000 |
| commit | 51fc1b8875ea747252c2c7fd363cbb10c57d5ab2 (patch) | |
| tree | f038b16be3b85bf213dfbe6cd6682d58a5750f66 /target/linux/x86-2.6/image/gen_image.sh | |
| parent | a7d37003016b53ca8612384353754052545f257e (diff) | |
add optional padding for x86 grub images (useful for running jffs2 images in qemu)
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@6359 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/x86-2.6/image/gen_image.sh')
| -rwxr-xr-x | target/linux/x86-2.6/image/gen_image.sh | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/target/linux/x86-2.6/image/gen_image.sh b/target/linux/x86-2.6/image/gen_image.sh index 314d7314f..b4845f5a7 100755 --- a/target/linux/x86-2.6/image/gen_image.sh +++ b/target/linux/x86-2.6/image/gen_image.sh @@ -23,11 +23,13 @@ set `ptgen -o "$OUTPUT" -h $head -s $sect -p ${KERNELSIZE}m -p ${ROOTFSSIZE}m` KERNELOFFSET="$(($1 / 512))" ROOTFSOFFSET="$(($2 / 512))" +ROOTFSSIZE="$(( ($3 - $2) / 512))" BLOCKS="$((($ROOTFSOFFSET - $KERNELOFFSET) / 2 - 1))" genext2fs -d "$KERNELDIR" -b "$BLOCKS" "$OUTPUT.kernel" dd if="$OUTPUT.kernel" of="$OUTPUT" bs=512 seek="$KERNELOFFSET" conv=notrunc +[ -n "$PADDING" ] && dd if=/dev/zero of="$OUTPUT" bs=512 seek="$ROOTFSOFFSET" conv=notrunc count="$ROOTFSSIZE" dd if="$ROOTFSIMAGE" of="$OUTPUT" bs=512 seek="$ROOTFSOFFSET" conv=notrunc #rm -f "$OUTPUT.kernel" |