diff options
| -rw-r--r-- | scripts/om2p-fwupgradecfg-gen.sh | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/scripts/om2p-fwupgradecfg-gen.sh b/scripts/om2p-fwupgradecfg-gen.sh new file mode 100644 index 000000000..c323c90ef --- /dev/null +++ b/scripts/om2p-fwupgradecfg-gen.sh @@ -0,0 +1,52 @@ +#/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 <out file path> <kernel path> <rootfs path>" + rm -f $CFG_OUT + exit 1 +} + +[ "$#" -lt 3 ] && usage + +FLASH_BS=262144 +CHECK_BS=65536 +MAX_PART_SIZE=7168 +CFG_OUT=$1 + +KERNEL_PATH=$2 +KERNEL_FLASH_ADDR=0x1c0000 +KERNEL_SIZE=$(stat -c%s "$KERNEL_PATH") +KERNEL_MD5=$(md5=$(md5sum $KERNEL_PATH); echo ${md5%% *}) +KERNEL_PART_SIZE=$(size=$(($KERNEL_SIZE / $FLASH_BS)); [ $(($size * $FLASH_BS)) -lt $KERNEL_SIZE ] && size=$(($size + 1)); echo $(($size * $FLASH_BS / 1024))) + +ROOTFS_PATH=$3 +ROOTFS_FLASH_ADDR=$(addr=$(($KERNEL_FLASH_ADDR + ($KERNEL_PART_SIZE * 1024))); printf "0x%x" $addr) +ROOTFS_SIZE=$(stat -c%s "$ROOTFS_PATH") +ROOTFS_CHECK_BLOCKS=$((($ROOTFS_SIZE / $CHECK_BS) - 1)) +ROOTFS_MD5=$(md5=$(dd if=$ROOTFS_PATH bs=$CHECK_BS count=$ROOTFS_CHECK_BLOCKS 2>&- | md5sum); echo ${md5%% *}) +ROOTFS_CHECK_SIZE=$(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 +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 +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 |