-#!/usr/bin/env bash
+#!/bin/sh
#
# Licensed under the terms of the GNU GPL License version 2 or later.
#
#
usage() {
- echo "Usage: `basename $0` -A arch -C comp -a addr -e entry" \
- "-v version -k kernel [-D name -d dtb] -o its_file"
- echo -e "\t-A ==> set architecture to 'arch'"
- echo -e "\t-C ==> set compression type 'comp'"
- echo -e "\t-a ==> set load address to 'addr' (hex)"
- echo -e "\t-e ==> set entry point to 'entry' (hex)"
- echo -e "\t-v ==> set kernel version to 'version'"
- echo -e "\t-k ==> include kernel image 'kernel'"
- echo -e "\t-D ==> human friendly Device Tree Blob 'name'"
- echo -e "\t-d ==> include Device Tree Blob 'dtb'"
- echo -e "\t-o ==> create output file 'its_file'"
+ printf "Usage: %s -A arch -C comp -a addr -e entry" "$(basename "$0")"
+ printf " -v version -k kernel [-D name -n address -d dtb] -o its_file"
+
+ printf "\n\t-A ==> set architecture to 'arch'"
+ printf "\n\t-C ==> set compression type 'comp'"
+ printf "\n\t-c ==> set config name 'config'"
+ printf "\n\t-a ==> set load address to 'addr' (hex)"
+ printf "\n\t-e ==> set entry point to 'entry' (hex)"
+ printf "\n\t-f ==> set device tree compatible string"
+ printf "\n\t-v ==> set kernel version to 'version'"
+ printf "\n\t-k ==> include kernel image 'kernel'"
+ printf "\n\t-D ==> human friendly Device Tree Blob 'name'"
+ printf "\n\t-n ==> fdt unit-address 'address'"
+ printf "\n\t-d ==> include Device Tree Blob 'dtb'"
+ printf "\n\t-r ==> include RootFS blob 'rootfs'"
+ printf "\n\t-H ==> specify hash algo instead of SHA1"
+ printf "\n\t-o ==> create output file 'its_file'\n"
exit 1
}
-while getopts ":A:a:C:D:d:e:k:o:v:" OPTION
+FDTNUM=1
+ROOTFSNUM=1
+HASH=sha1
+LOADABLES=
+
+while getopts ":A:a:c:C:D:d:e:f:k:n:o:v:r:S" OPTION
do
case $OPTION in
A ) ARCH=$OPTARG;;
a ) LOAD_ADDR=$OPTARG;;
+ c ) CONFIG=$OPTARG;;
C ) COMPRESS=$OPTARG;;
D ) DEVICE=$OPTARG;;
d ) DTB=$OPTARG;;
e ) ENTRY_ADDR=$OPTARG;;
+ f ) COMPATIBLE=$OPTARG;;
k ) KERNEL=$OPTARG;;
+ n ) FDTNUM=$OPTARG;;
o ) OUTPUT=$OPTARG;;
+ r ) ROOTFS=$OPTARG;;
+ S ) HASH=$OPTARG;;
v ) VERSION=$OPTARG;;
- * ) echo "Invalid option passed to '$0' (options:$@)"
+ * ) echo "Invalid option passed to '$0' (options:$*)"
usage;;
esac
done
# Make sure user entered all required parameters
if [ -z "${ARCH}" ] || [ -z "${COMPRESS}" ] || [ -z "${LOAD_ADDR}" ] || \
[ -z "${ENTRY_ADDR}" ] || [ -z "${VERSION}" ] || [ -z "${KERNEL}" ] || \
- [ -z "${OUTPUT}" ]; then
+ [ -z "${OUTPUT}" ] || [ -z "${CONFIG}" ]; then
usage
fi
-ARCH_UPPER=`echo $ARCH | tr '[:lower:]' '[:upper:]'`
+ARCH_UPPER=$(echo "$ARCH" | tr '[:lower:]' '[:upper:]')
+
+if [ -n "${COMPATIBLE}" ]; then
+ COMPATIBLE_PROP="compatible = \"${COMPATIBLE}\";"
+fi
# Conditionally create fdt information
if [ -n "${DTB}" ]; then
- FDT="
- fdt@1 {
+ FDT_NODE="
+ fdt@$FDTNUM {
description = \"${ARCH_UPPER} OpenWrt ${DEVICE} device tree blob\";
+ ${COMPATIBLE_PROP}
data = /incbin/(\"${DTB}\");
type = \"flat_dt\";
arch = \"${ARCH}\";
algo = \"crc32\";
};
hash@2 {
- algo = \"sha1\";
+ algo = \"${HASH}\";
};
};
"
+ FDT_PROP="fdt = \"fdt@$FDTNUM\";"
+fi
+
+if [ -n "${ROOTFS}" ]; then
+ dd if="${ROOTFS}" of="${ROOTFS}.pagesync" bs=4096 conv=sync
+ ROOTFS_NODE="
+ rootfs@$ROOTFSNUM {
+ description = \"${ARCH_UPPER} OpenWrt ${DEVICE} rootfs\";
+ ${COMPATIBLE_PROP}
+ data = /incbin/(\"${ROOTFS}.pagesync\");
+ type = \"filesystem\";
+ arch = \"${ARCH}\";
+ compression = \"none\";
+ hash@1 {
+ algo = \"crc32\";
+ };
+ hash@2 {
+ algo = \"${HASH}\";
+ };
+ };
+"
+ LOADABLES="${LOADABLES:+$LOADABLES, }\"rootfs@${ROOTFSNUM}\""
fi
# Create a default, fully populated DTS file
algo = \"crc32\";
};
hash@2 {
- algo = \"sha1\";
+ algo = \"$HASH\";
};
};
-
-${FDT}
-
+${FDT_NODE}
+${ROOTFS_NODE}
};
configurations {
- default = \"config@1\";
- config@1 {
- description = \"OpenWrt\";
+ default = \"${CONFIG}\";
+ ${CONFIG} {
+ description = \"OpenWrt ${DEVICE}\";
kernel = \"kernel@1\";
- fdt = \"fdt@1\";
+ ${FDT_PROP}
+ ${LOADABLES:+loadables = ${LOADABLES};}
+ ${COMPATIBLE_PROP}
};
};
};"
# Write .its file to disk
-echo "$DATA" > ${OUTPUT}
+echo "$DATA" > "${OUTPUT}"