#!/usr/bin/env bash # # Licensed under the terms of the GNU GPL License version 2 or later. # # Author: Peter Tyser # # U-Boot firmware supports the booting of images in the Flattened Image # Tree (FIT) format. The FIT format uses a device tree structure to # describe a kernel image, device tree blob, ramdisk, etc. This script # creates an Image Tree Source (.its file) which can be passed to the # 'mkimage' utility to generate an Image Tree Blob (.itb file). The .itb # file can then be booted by U-Boot (or other bootloaders which support # FIT images). See doc/uImage.FIT/howto.txt in U-Boot source code for # additional information on FIT images. # 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'" exit 1 } while getopts ":A:a:C:D:d:e:k:o:v:" OPTION do case $OPTION in A ) ARCH=$OPTARG;; a ) LOAD_ADDR=$OPTARG;; C ) COMPRESS=$OPTARG;; D ) DEVICE=$OPTARG;; d ) DTB=$OPTARG;; e ) ENTRY_ADDR=$OPTARG;; k ) KERNEL=$OPTARG;; o ) OUTPUT=$OPTARG;; v ) VERSION=$OPTARG;; * ) 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 usage fi ARCH_UPPER=`echo $ARCH | tr '[:lower:]' '[:upper:]'` # Conditionally create fdt information if [ -n "${DTB}" ]; then FDT=" fdt@1 { description = \"${ARCH_UPPER} OpenWrt ${DEVICE} device tree blob\"; data = /incbin/(\"${DTB}\"); type = \"flat_dt\"; arch = \"${ARCH}\"; compression = \"none\"; hash@1 { algo = \"crc32\"; }; hash@2 { algo = \"sha1\"; }; }; " fi # Create a default, fully populated DTS file DATA="/dts-v1/; / { description = \"${ARCH_UPPER} OpenWrt FIT (Flattened Image Tree)\"; #address-cells = <1>; images { kernel@1 { description = \"${ARCH_UPPER} OpenWrt Linux-${VERSION}\"; data = /incbin/(\"${KERNEL}\"); type = \"kernel\"; arch = \"${ARCH}\"; os = \"linux\"; compression = \"${COMPRESS}\"; load = <${LOAD_ADDR}>; entry = <${ENTRY_ADDR}>; hash@1 { algo = \"crc32\"; }; hash@2 { algo = \"sha1\"; }; }; ${FDT} }; configurations { default = \"config@1\"; config@1 { description = \"OpenWrt\"; kernel = \"kernel@1\"; fdt = \"fdt@1\"; }; }; };" # Write .its file to disk echo "$DATA" > ${OUTPUT} nge
path: root/package/network/services/ppp/Makefile
blob: 8b58c1c06fbeb50c05f7da21e89418143bac6e1b (plain) 
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