| #!/bin/sh |
| # SPDX-License-Identifier: GPL-2.0-only |
| # |
| # Copyright (C) 2013 OpenWrt.org |
| |
| set -x |
| [ $# -eq 5 ] || { |
| echo "SYNTAX: $0 <file> <bootfs image> <rootfs image> <bootfs size> <rootfs size>" |
| exit 1 |
| } |
| |
| OUTPUT="$1" |
| BOOTFS="$2" |
| ROOTFS="$3" |
| BOOTFSSIZE="$4" |
| ROOTFSSIZE="$5" |
| |
| head=4 |
| sect=63 |
| |
| set $(ptgen -o $OUTPUT -h $head -s $sect -l 1024 -t c -p ${BOOTFSSIZE}M -t 83 -p ${ROOTFSSIZE}M) |
| |
| BOOTOFFSET="$(($1 / 512))" |
| BOOTSIZE="$(($2 / 512))" |
| ROOTFSOFFSET="$(($3 / 512))" |
| ROOTFSSIZE="$(($4 / 512))" |
| |
| dd bs=512 if="$BOOTFS" of="$OUTPUT" seek="$BOOTOFFSET" conv=notrunc |
| dd bs=512 if="$ROOTFS" of="$OUTPUT" seek="$ROOTFSOFFSET" conv=notrunc |