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| author | Felix Fietkau <nbd@openwrt.org> | 2007-02-25 17:59:23 +0000 |
|---|---|---|
| committer | Felix Fietkau <nbd@openwrt.org> | 2007-02-25 17:59:23 +0000 |
| commit | 738ca6f6571b30c80c5e64d2c40b0b3630ec3c29 (patch) | |
| tree | 7cbc4e933c3130fbc408784d2cfe19f8f7912407 /target/linux/x86-2.6/image/gen_image.sh | |
| parent | 41ac34a2a29b21ff42c51336db6df34c134eb658 (diff) | |
| download | master-31e0f0ae-738ca6f6571b30c80c5e64d2c40b0b3630ec3c29.tar.gz master-31e0f0ae-738ca6f6571b30c80c5e64d2c40b0b3630ec3c29.tar.bz2 master-31e0f0ae-738ca6f6571b30c80c5e64d2c40b0b3630ec3c29.zip | |
add optional padding for x86 grub images (useful for running jffs2 images in qemu)
SVN-Revision: 6359
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 314d7314fd..b4845f5a77 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" |