37 lines
1 KiB
Bash
Executable file
37 lines
1 KiB
Bash
Executable file
#!/usr/bin/env bash
|
|
# Copyright (C) 2006-2012 OpenWrt.org
|
|
set -x
|
|
[ $# == 5 -o $# == 6 ] || {
|
|
echo "SYNTAX: $0 <file> <kernel size> <kernel directory> <rootfs size> <rootfs image> [<align>]"
|
|
exit 1
|
|
}
|
|
|
|
OUTPUT="$1"
|
|
KERNELSIZE="$2"
|
|
KERNELDIR="$3"
|
|
ROOTFSSIZE="$4"
|
|
ROOTFSIMAGE="$5"
|
|
ALIGN="$6"
|
|
|
|
rm -f "$OUTPUT"
|
|
|
|
head=16
|
|
sect=63
|
|
cyl=$(( ($KERNELSIZE + $ROOTFSSIZE) * 1024 * 1024 / ($head * $sect * 512)))
|
|
|
|
# create partition table
|
|
set `ptgen -o "$OUTPUT" -h $head -s $sect -p ${KERNELSIZE}m -p ${ROOTFSSIZE}m ${ALIGN:+-l $ALIGN} ${SIGNATURE:+-S 0x$SIGNATURE}`
|
|
|
|
KERNELOFFSET="$(($1 / 512))"
|
|
KERNELSIZE="$2"
|
|
ROOTFSOFFSET="$(($3 / 512))"
|
|
ROOTFSSIZE="$(($4 / 512))"
|
|
|
|
[ -n "$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
|
|
|
|
[ -n "$NOGRUB" ] && exit 0
|
|
|
|
make_ext4fs -J -l "$KERNELSIZE" "$OUTPUT.kernel" "$KERNELDIR"
|
|
dd if="$OUTPUT.kernel" of="$OUTPUT" bs=512 seek="$KERNELOFFSET" conv=notrunc
|
|
rm -f "$OUTPUT.kernel"
|