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- #/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 <OM2P|OM5P|OM5PAC|MR600|MR900|MR1750> <out file path> <kernel path> <rootfs path>"
- 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)
- 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 "$KERNEL_PATH")
- KERNEL_MD5=$(md5=$(md5sum $KERNEL_PATH); echo ${md5%% *})
- KERNEL_SHA256=$(openssl dgst -sha256 $KERNEL_PATH | awk '{print $2}')
- KERNEL_PART_SIZE=$(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) - $MD5_SKIP_BLOCKS))
- ROOTFS_MD5=$(md5=$(dd if=$ROOTFS_PATH bs=$CHECK_BS count=$ROOTFS_CHECK_BLOCKS 2>&- | md5sum); echo ${md5%% *})
- ROOTFS_MD5_FULL=$(md5=$(md5sum $ROOTFS_PATH); echo ${md5%% *})
- ROOTFS_SHA256_FULL=$(openssl dgst -sha256 $ROOTFS_PATH | awk '{print $2}')
- ROOTFS_CHECK_SIZE=$(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
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