diff options
Diffstat (limited to 'target/linux/ramips/base-files/lib/preinit/04_handle_checksumming')
-rw-r--r-- | target/linux/ramips/base-files/lib/preinit/04_handle_checksumming | 56 |
1 files changed, 0 insertions, 56 deletions
diff --git a/target/linux/ramips/base-files/lib/preinit/04_handle_checksumming b/target/linux/ramips/base-files/lib/preinit/04_handle_checksumming deleted file mode 100644 index 8f741faf9d..0000000000 --- a/target/linux/ramips/base-files/lib/preinit/04_handle_checksumming +++ /dev/null @@ -1,56 +0,0 @@ -#!/bin/sh - -# Netgear WNCE2001 has does a checksum check on boot and goes into recovery -# tftp mode when the check fails. Initializing the JFFS2 partition triggers -# this, so we make sure to zero checksum and size to be checksummed before -# that happens, so this needs to run very early during boot. - -do_checksumming_disable() { - . /lib/functions.sh - - local board=$(board_name) - - case "$board" in - netgear,wnce2001) - echo "Board is WNCE2001, updating checksum partition..." - local zeroes=/dev/zero - local tmpfile=/tmp/wnce2001_checksum - local partname=checksum - local mtd=$(find_mtd_part $partname) - dd if=$mtd of=$tmpfile bs=80 count=1 2>/dev/null - signature=$(dd if=$tmpfile bs=1 skip=24 count=20 2>/dev/null) - checksum=$(dd if=$tmpfile bs=1 count=4 2>/dev/null | hexdump -v -n 4 -e '1/1 "%02x"') - if [ "$signature" != "RT3052-AP-WNCE2001-3" ]; then - echo "Signature of checksum partition is wrong, bailing." - return 0 - fi - if [ "$checksum" != "00000000" ]; then - echo "Checksum is set, zeroing." - # zero out checksum - dd if=$zeroes of=$tmpfile conv=notrunc bs=1 seek=0 count=4 2>/dev/null - # zero out bytecount to be checksummed - dd if=$zeroes of=$tmpfile conv=notrunc bs=1 seek=60 count=4 2>/dev/null - mtd write $tmpfile $partname - else - echo "Checksum is already zero, nothing to do." - fi - ;; - asus,rt-n56u) - echo "Board is ASUS RT-N56U, replacing uImage header..." - local firmware_mtd=$(find_mtd_part firmware) - local rootfs_mtd=$(find_mtd_part rootfs) - local rootfs_data_mtd=$(find_mtd_part rootfs_data) - local rootfs_len=$(grep \"rootfs\" /proc/mtd | awk -F' ' '{print "0x"$2}') - local rootfs_data_len=$(grep \"rootfs_data\" /proc/mtd | awk -F' ' '{print "0x"$2}') - local offset=$(echo "$rootfs_len $rootfs_data_len 0x40" | awk -F' ' '{printf "%i",$1-$2-$3}') - local signature=$(dd if=$rootfs_mtd skip=$offset bs=1 count=4 2>/dev/null | hexdump -v -n 4 -e '1/1 "%02x"') - if [ "$signature" = "27051956" ]; then - dd conv=notrunc if=$rootfs_mtd skip=$offset of=$firmware_mtd bs=1 count=64 2>/dev/null - fi - ;; - esac - - return 0 -} - -boot_hook_add preinit_main do_checksumming_disable |