a37814faa7
mkits.sh help currently shows dtb file as optional, but generates an invalid its file when this option is unspecified. We're fixing this problem by removing the use of the sed command and just including variables instead. Signed-off-by: Mathieu Olivari <mathieu@qca.qualcomm.com> SVN-Revision: 45659
118 lines
2.9 KiB
Bash
Executable File
118 lines
2.9 KiB
Bash
Executable File
#!/bin/bash
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#
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# Licensed under the terms of the GNU GPL License version 2 or later.
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#
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# Author: Peter Tyser <ptyser@xes-inc.com>
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#
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# U-Boot firmware supports the booting of images in the Flattened Image
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# Tree (FIT) format. The FIT format uses a device tree structure to
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# describe a kernel image, device tree blob, ramdisk, etc. This script
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# creates an Image Tree Source (.its file) which can be passed to the
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# 'mkimage' utility to generate an Image Tree Blob (.itb file). The .itb
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# file can then be booted by U-Boot (or other bootloaders which support
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# FIT images). See doc/uImage.FIT/howto.txt in U-Boot source code for
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# additional information on FIT images.
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#
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usage() {
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echo "Usage: `basename $0` -A arch -C comp -a addr -e entry" \
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"-v version -k kernel [-D name -d dtb] -o its_file"
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echo -e "\t-A ==> set architecture to 'arch'"
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echo -e "\t-C ==> set compression type 'comp'"
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echo -e "\t-a ==> set load address to 'addr' (hex)"
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echo -e "\t-e ==> set entry point to 'entry' (hex)"
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echo -e "\t-v ==> set kernel version to 'version'"
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echo -e "\t-k ==> include kernel image 'kernel'"
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echo -e "\t-D ==> human friendly Device Tree Blob 'name'"
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echo -e "\t-d ==> include Device Tree Blob 'dtb'"
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echo -e "\t-o ==> create output file 'its_file'"
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exit 1
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}
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while getopts ":A:a:C:D:d:e:k:o:v:" OPTION
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do
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case $OPTION in
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A ) ARCH=$OPTARG;;
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a ) LOAD_ADDR=$OPTARG;;
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C ) COMPRESS=$OPTARG;;
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D ) DEVICE=$OPTARG;;
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d ) DTB=$OPTARG;;
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e ) ENTRY_ADDR=$OPTARG;;
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k ) KERNEL=$OPTARG;;
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o ) OUTPUT=$OPTARG;;
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v ) VERSION=$OPTARG;;
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* ) echo "Invalid option passed to '$0' (options:$@)"
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usage;;
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esac
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done
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# Make sure user entered all required parameters
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if [ -z "${ARCH}" ] || [ -z "${COMPRESS}" ] || [ -z "${LOAD_ADDR}" ] || \
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[ -z "${ENTRY_ADDR}" ] || [ -z "${VERSION}" ] || [ -z "${KERNEL}" ] || \
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[ -z "${OUTPUT}" ]; then
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usage
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fi
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ARCH_UPPER=`echo $ARCH | tr '[:lower:]' '[:upper:]'`
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# Conditionally create fdt information
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if [ -n "${DTB}" ]; then
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FDT="
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fdt@1 {
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description = \"${ARCH_UPPER} OpenWrt ${DEVICE} device tree blob\";
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data = /incbin/(\"${DTB}\");
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type = \"flat_dt\";
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arch = \"${ARCH}\";
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compression = \"none\";
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hash@1 {
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algo = \"crc32\";
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};
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hash@2 {
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algo = \"sha1\";
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};
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};
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"
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fi
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# Create a default, fully populated DTS file
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DATA="/dts-v1/;
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/ {
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description = \"${ARCH_UPPER} OpenWrt FIT (Flattened Image Tree)\";
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#address-cells = <1>;
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images {
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kernel@1 {
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description = \"${ARCH_UPPER} OpenWrt Linux-${VERSION}\";
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data = /incbin/(\"${KERNEL}\");
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type = \"kernel\";
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arch = \"${ARCH}\";
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os = \"linux\";
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compression = \"${COMPRESS}\";
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load = <${LOAD_ADDR}>;
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entry = <${ENTRY_ADDR}>;
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hash@1 {
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algo = \"crc32\";
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};
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hash@2 {
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algo = \"sha1\";
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};
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};
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${FDT}
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};
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configurations {
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default = \"config@1\";
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config@1 {
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description = \"OpenWrt\";
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kernel = \"kernel@1\";
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fdt = \"fdt@1\";
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};
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};
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};"
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# Write .its file to disk
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echo "$DATA" > ${OUTPUT}
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