2 # Copyright (C) 2006 OpenWrt.org
5 echo "SYNTAX: $0 <file> <kernel size> <kernel directory> <rootfs size> <rootfs image>"
19 cyl=$(( ($KERNELSIZE + $ROOTFSSIZE) * 1024 * 1024 / ($head * $sect * 512)))
21 # create partition table
22 set `ptgen -o "$OUTPUT" -h $head -s $sect -p ${KERNELSIZE}m -p ${ROOTFSSIZE}m`
24 KERNELOFFSET="$(($1 / 512))"
25 ROOTFSOFFSET="$(($2 / 512))"
27 BLOCKS="$((($ROOTFSOFFSET - $KERNELOFFSET) / 2 - 1))"
29 genext2fs -d "$KERNELDIR" -b "$BLOCKS" "$OUTPUT.kernel"
30 dd if="$OUTPUT.kernel" of="$OUTPUT" bs=512 seek="$KERNELOFFSET" conv=notrunc
31 dd if="$ROOTFSIMAGE" of="$OUTPUT" bs=512 seek="$ROOTFSOFFSET" conv=notrunc
32 #rm -f "$OUTPUT.kernel"
34 which chpax >/dev/null && chpax -zp $(which grub)
35 grub --device-map=/dev/null <<EOF
37 geometry (hd0) $cyl $head $sect