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author | James <> | 2013-03-17 12:16:37 +0000 |
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committer | James <> | 2013-03-17 12:16:37 +0000 |
commit | 27b76ab0671089c47506615a796a261e993896a7 (patch) | |
tree | 61213d67e7fa87b20356b23798558e2c4212c42f /scripts/om-fwupgradecfg-gen.sh | |
download | trunk-36060-27b76ab0671089c47506615a796a261e993896a7.tar.gz trunk-36060-27b76ab0671089c47506615a796a261e993896a7.tar.bz2 trunk-36060-27b76ab0671089c47506615a796a261e993896a7.zip |
Diffstat (limited to 'scripts/om-fwupgradecfg-gen.sh')
-rw-r--r-- | scripts/om-fwupgradecfg-gen.sh | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/scripts/om-fwupgradecfg-gen.sh b/scripts/om-fwupgradecfg-gen.sh new file mode 100644 index 0000000..779598a --- /dev/null +++ b/scripts/om-fwupgradecfg-gen.sh @@ -0,0 +1,70 @@ +#/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|MR600> <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 + ;; + MR600) + 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 ${md5%% *}) +KERNEL_PART_SIZE=$(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 ${md5%% *}) +ROOTFS_CHECK_SIZE=$(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 |