#/bin/sh # # Copyright (C) 2011 OpenWrt.org # # This is free software, licensed under the GNU General Public License v2. # See /LICENSE for more information. # usage() { echo "Usage: $0 " rm -f $CFG_OUT exit 1 } [ "$#" -lt 4 ] && usage CE_TYPE=$1 CFG_OUT=$2 KERNEL_PATH=$3 ROOTFS_PATH=$4 case $CE_TYPE in OM2P) MAX_PART_SIZE=7168 KERNEL_FLASH_ADDR=0x1c0000 FLASH_BS=262144 MD5_SKIP_BLOCKS=1 ;; OM5P|OM5PAC|MR600|MR900|MR1750|A60) MAX_PART_SIZE=7808 KERNEL_FLASH_ADDR=0xb0000 FLASH_BS=65536 MD5_SKIP_BLOCKS=4 ;; *) echo "Error - unsupported ce type: $CE_TYPE" exit 1 ;; esac CHECK_BS=65536 KERNEL_SIZE=$(stat -c%s "$KERNEL_PATH") KERNEL_MD5=$(mkhash md5 $KERNEL_PATH) KERNEL_SHA256=$(mkhash sha256 $KERNEL_PATH) KERNEL_PART_SIZE=$(size=$(($KERNEL_SIZE / $FLASH_BS)); [ $(($size * $FLASH_BS)) -lt $KERNEL_SIZE ] && size=$(($size + 1)); echo $(($size * $FLASH_BS / 1024))) ROOTFS_FLASH_ADDR=$(addr=$(($KERNEL_FLASH_ADDR + ($KERNEL_PART_SIZE * 1024))); printf "0x%x" $addr) ROOTFS_SIZE=$(stat -c%s "$ROOTFS_PATH") ROOTFS_CHECK_BLOCKS=$((($ROOTFS_SIZE / $CHECK_BS) - $MD5_SKIP_BLOCKS)) ROOTFS_MD5=$(dd if=$ROOTFS_PATH bs=$CHECK_BS count=$ROOTFS_CHECK_BLOCKS 2>&- | mkhash md5) ROOTFS_MD5_FULL=$(mkhash md5 $ROOTFS_PATH) ROOTFS_SHA256_FULL=$(mkhash sha256 $ROOTFS_PATH) ROOTFS_CHECK_SIZE=$(printf '0x%x' $(($ROOTFS_CHECK_BLOCKS * $CHECK_BS))) ROOTFS_PART_SIZE=$(($MAX_PART_SIZE - $KERNEL_PART_SIZE)) cat << EOF > $CFG_OUT [vmlinux] filename=kernel md5sum=$KERNEL_MD5 filemd5sum=$KERNEL_MD5 filesha256sum=$KERNEL_SHA256 flashaddr=$KERNEL_FLASH_ADDR checksize=0x0 cmd_success=setenv bootseq 1,2; setenv kernel_size_1 $KERNEL_PART_SIZE; saveenv cmd_fail=reset [rootfs] filename=rootfs md5sum=$ROOTFS_MD5 filemd5sum=$ROOTFS_MD5_FULL filesha256sum=$ROOTFS_SHA256_FULL flashaddr=$ROOTFS_FLASH_ADDR checksize=$ROOTFS_CHECK_SIZE cmd_success=setenv bootseq 1,2; setenv kernel_size_1 $KERNEL_PART_SIZE; setenv rootfs_size_1 $ROOTFS_PART_SIZE; saveenv cmd_fail=reset EOF