1#/bin/sh 2# 3# Copyright (C) 2011 OpenWrt.org 4# 5# This is free software, licensed under the GNU General Public License v2. 6# See /LICENSE for more information. 7# 8 9usage() { 10 echo "Usage: $0 <OM2P|OM5P|OM5PAC|MR600|MR900|MR1750> <out file path> <kernel path> <rootfs path>" 11 rm -f $CFG_OUT 12 exit 1 13} 14 15[ "$#" -lt 4 ] && usage 16 17CE_TYPE=$1 18CFG_OUT=$2 19KERNEL_PATH=$3 20ROOTFS_PATH=$4 21 22case $CE_TYPE in 23 OM2P) 24 MAX_PART_SIZE=7168 25 KERNEL_FLASH_ADDR=0x1c0000 26 FLASH_BS=262144 27 MD5_SKIP_BLOCKS=1 28 ;; 29 OM5P|OM5PAC|MR600|MR900|MR1750) 30 MAX_PART_SIZE=7808 31 KERNEL_FLASH_ADDR=0xb0000 32 FLASH_BS=65536 33 MD5_SKIP_BLOCKS=4 34 ;; 35 *) 36 echo "Error - unsupported ce type: $CE_TYPE" 37 exit 1 38 ;; 39esac 40 41CHECK_BS=65536 42 43KERNEL_SIZE=$(stat -c%s "$KERNEL_PATH") 44KERNEL_MD5=$(md5=$(md5sum $KERNEL_PATH); echo ${md5%% *}) 45KERNEL_SHA256=$(openssl dgst -sha256 $KERNEL_PATH | awk '{print $2}') 46KERNEL_PART_SIZE=$(size=$(($KERNEL_SIZE / $FLASH_BS)); [ $(($size * $FLASH_BS)) -lt $KERNEL_SIZE ] && size=$(($size + 1)); echo $(($size * $FLASH_BS / 1024))) 47 48ROOTFS_FLASH_ADDR=$(addr=$(($KERNEL_FLASH_ADDR + ($KERNEL_PART_SIZE * 1024))); printf "0x%x" $addr) 49ROOTFS_SIZE=$(stat -c%s "$ROOTFS_PATH") 50ROOTFS_CHECK_BLOCKS=$((($ROOTFS_SIZE / $CHECK_BS) - $MD5_SKIP_BLOCKS)) 51ROOTFS_MD5=$(md5=$(dd if=$ROOTFS_PATH bs=$CHECK_BS count=$ROOTFS_CHECK_BLOCKS 2>&- | md5sum); echo ${md5%% *}) 52ROOTFS_MD5_FULL=$(md5=$(md5sum $ROOTFS_PATH); echo ${md5%% *}) 53ROOTFS_SHA256_FULL=$(openssl dgst -sha256 $ROOTFS_PATH | awk '{print $2}') 54ROOTFS_CHECK_SIZE=$(printf '0x%x' $(($ROOTFS_CHECK_BLOCKS * $CHECK_BS))) 55ROOTFS_PART_SIZE=$(($MAX_PART_SIZE - $KERNEL_PART_SIZE)) 56 57cat << EOF > $CFG_OUT 58[vmlinux] 59filename=kernel 60md5sum=$KERNEL_MD5 61filemd5sum=$KERNEL_MD5 62filesha256sum=$KERNEL_SHA256 63flashaddr=$KERNEL_FLASH_ADDR 64checksize=0x0 65cmd_success=setenv bootseq 1,2; setenv kernel_size_1 $KERNEL_PART_SIZE; saveenv 66cmd_fail=reset 67 68[rootfs] 69filename=rootfs 70md5sum=$ROOTFS_MD5 71filemd5sum=$ROOTFS_MD5_FULL 72filesha256sum=$ROOTFS_SHA256_FULL 73flashaddr=$ROOTFS_FLASH_ADDR 74checksize=$ROOTFS_CHECK_SIZE 75cmd_success=setenv bootseq 1,2; setenv kernel_size_1 $KERNEL_PART_SIZE; setenv rootfs_size_1 $ROOTFS_PART_SIZE; saveenv 76cmd_fail=reset 77EOF 78