parent
862103b039
commit
4a41439c46
@ -0,0 +1,5 @@ |
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#!/bin/sh |
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# Copyright (C) 2006 OpenWrt.org |
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|
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set_state() { |
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} |
@ -1,6 +1,20 @@ |
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#!/bin/sh |
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# Copyright (C) 2006 OpenWrt.org |
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export PATH=/bin:/sbin:/usr/bin:/usr/sbin |
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. /etc/diag.sh |
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failsafe() { |
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lock /tmp/.failsafe |
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ash --login |
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} |
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[ -e /etc/preinit.arch ] && . /etc/preinit.arch |
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set_state preinit |
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mount_root ${FAILSAFE:+failsafe} |
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eval ${FAILSAFE:+failsafe} |
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lock -w /tmp/.failsafe |
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exec /sbin/init |
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@ -1,9 +0,0 @@ |
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#!/bin/sh /etc/rc.common |
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# Copyright (C) 2007 OpenWrt.org |
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START=95 |
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boot() { |
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# set leds to normal state |
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. /etc/diag.sh |
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set_state done |
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} |
@ -1,9 +0,0 @@ |
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#!/bin/sh /etc/rc.common |
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# Copyright (C) 2007 OpenWrt.org |
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|
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START=95 |
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boot() { |
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# set leds to normal state |
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. /etc/diag.sh |
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set_state done |
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} |
@ -1,3 +0,0 @@ |
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. /etc/diag.sh |
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set_state preinit |
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@ -1,12 +1,9 @@ |
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define Build/Compile |
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$(call Build/Compile/Default)
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$(TARGET_CC) -I $(PLATFORM_DIR)/src -o $(PKG_BUILD_DIR)/jffs2root $(PLATFORM_DIR)/src/jffs2root.c
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endef |
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|
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define Package/base-files/install-target |
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rm -f $(1)/etc/config/network
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mkdir -p $(1)/sbin
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$(CP) $(PKG_BUILD_DIR)/jffs2root $(1)/sbin
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endef |
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@ -1,128 +0,0 @@ |
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#!/bin/sh |
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# $Id$ |
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. /etc/functions.sh |
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partname="rootfs_data" |
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mtdpart="$(find_mtd_part $partname)" |
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rom=$(awk '/squashfs/ {print $2}' /proc/mounts) |
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jffs=$(awk '/jffs2/ {print $2}' /proc/mounts) |
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|
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dupe() { # <new_root> <old_root> |
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cd $1 |
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echo -n "creating directories... " |
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{ |
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cd $2 |
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find . -xdev -type d |
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echo "./dev ./jffs ./mnt ./proc ./tmp" |
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# xdev skips mounted directories |
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cd $1 |
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} | xargs mkdir -p |
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echo "done" |
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echo -n "setting up symlinks... " |
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for file in $(cd $2; find . -xdev -type f;); do |
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case "$file" in |
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./rom/note) ;; #nothing |
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./etc/config*|\ |
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./usr/lib/ipkg/info/*) cp -af $2/$file $file;; |
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*) ln -sf /rom/${file#./*} $file;; |
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esac |
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done |
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for file in $(cd $2; find . -xdev -type l;); do |
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cp -af $2/${file#./*} $file |
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done |
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echo "done" |
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} |
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pivot() { # <new_root> <old_root> |
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mount -o move /proc $1/proc && \ |
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pivot_root $1 $1$2 && { |
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mount -o move $2/dev /dev |
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mount -o move $2/tmp /tmp |
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mount -o move $2/jffs /jffs 2>&- |
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return 0 |
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} |
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} |
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fopivot() { # <rw_root> <ro_root> <dupe?> |
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root=$1 |
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{ |
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mount -t mini_fo -o base=/,sto=$1 $1 /mnt 2>&- && root=/mnt |
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} || { |
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[ "$3" = "1" ] && { |
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mount | grep "on $1 type" 2>&- 1>&- || mount -o bind $1 $1 |
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dupe $1 $rom |
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} |
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} |
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pivot $root $2 |
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} |
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ramoverlay() { |
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mkdir -p /tmp/root |
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fopivot /tmp/root /rom 1 |
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} |
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# invoked as an executable |
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[ "${0##*/}" = "firstboot" ] && { |
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[ -z "$mtdpart" ] && { |
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echo "MTD partition not found." |
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exit 1 |
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} |
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[ -z "$rom" ] && { |
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echo "You do not have a squashfs partition; aborting" |
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echo "(firstboot cannot be run on jffs2 based firmwares)" |
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exit 1 |
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} |
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[ "$1" = "switch2jffs" ] && { |
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mtd erase "$partname" |
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# try to avoid fs changing while copying |
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mount -o remount,ro none / 2>&- |
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# copy ramoverlay to jffs2 |
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mount "$mtdpart" /rom/jffs -t jffs2 |
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echo -n "copying files ... " |
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cp -a /tmp/root/* /rom/jffs 2>&- |
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echo "done" |
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# switch back to squashfs (temporarily) |
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# and park the ramdisk ontop of /tmp/root |
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pivot /rom /mnt |
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mount -o move /mnt /tmp/root |
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# /jffs is the overlay |
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# /rom is the readonly |
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fopivot /jffs /rom |
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# try to get rid of /tmp/root |
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# this will almost always fail |
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umount /tmp/root 2>&- |
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# fs is clean |
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jffs2root --clean |
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exit 0 |
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} |
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# script run manually |
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[ \! -z "$jffs" ] && { |
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echo "firstboot has already been run" |
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echo "jffs2 partition is mounted, only resetting files" |
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grep mini_fo /proc/filesystems >&- |
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[ $? != 0 ] && { |
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dupe $jffs $rom |
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exit 0 |
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} || { |
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rm -rf $jffs/* 2>&- |
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mount -o remount $jffs / 2>&- |
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exit 0 |
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} |
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} |
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mtd erase "$partname" |
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mount "$mtdpart" /jffs -t jffs2 |
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fopivot /jffs /rom 1 |
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} |
@ -1,29 +0,0 @@ |
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#!/bin/sh |
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# Copyright (C) 2006 OpenWrt.org |
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. /etc/functions.sh |
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is_dirty() { |
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mtdpart="$(find_mtd_part linux)" |
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grep Broadcom /proc/cpuinfo >&- || return 1 |
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OFFSET="$(($(hexdump -v $mtdpart -s 20 -n 2 -e '"%d"')-1))" |
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return $(hexdump -v $mtdpart -s $OFFSET -n 1 -e '"%d"') |
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} |
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if [ "$1" != "failsafe" ]; then |
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mtd unlock linux |
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mount | grep jffs2 >&- |
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if [ $? = 0 ] ; then |
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mount -o remount,rw /dev/root / |
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else |
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. /bin/firstboot |
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is_dirty |
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[ $? != 0 ] && { |
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echo "switching to jffs2" |
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mount $(find_mtd_part rootfs_data) /jffs -t jffs2 |
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fopivot /jffs /rom |
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} || { |
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echo "jffs2 not ready yet; using ramdisk" |
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ramoverlay |
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} |
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fi |
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fi |
@ -1,138 +0,0 @@ |
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/*
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* jffs2root.c |
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* |
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* Copyright (C) 2005 Mike Baker
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License |
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* as published by the Free Software Foundation; either version 2 |
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* of the License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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* |
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* $Id$ |
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* |
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*/ |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <stddef.h> |
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#include <unistd.h> |
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#include <fcntl.h> |
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#include <sys/mman.h> |
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#include <sys/stat.h> |
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#include <string.h> |
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#include <sys/ioctl.h> |
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#include "mtd.h" |
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struct trx_header { |
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unsigned magic; /* "HDR0" */ |
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unsigned len; /* Length of file including header */ |
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unsigned crc32; /* 32-bit CRC from flag_version to end of file */ |
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unsigned flag_version; /* 0:15 flags, 16:31 version */ |
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unsigned offsets[3]; /* Offsets of partitions from start of header */ |
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}; |
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unsigned long *crc32; |
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void init_crc32() |
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{ |
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unsigned long crc; |
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unsigned long poly = 0xEDB88320L; |
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int n, bit; |
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if ((crc32 = (unsigned long *) malloc(256 * sizeof(unsigned long))) == (void *)-1) { |
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perror("malloc"); |
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exit(1); |
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} |
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for (n = 0; n < 256; n++) { |
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crc = (unsigned long) n; |
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for (bit = 0; bit < 8; bit++) |
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crc = (crc & 1) ? (poly ^ (crc >> 1)) : (crc >> 1); |
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crc32[n] = crc; |
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} |
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} |
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unsigned int crc32buf(char *buf, size_t len) |
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{ |
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unsigned int crc = 0xFFFFFFFF; |
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for (; len; len--, buf++) |
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crc = crc32[(crc ^ *buf) & 0xff] ^ (crc >> 8); |
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return crc; |
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} |
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int main(int argc, char **argv) |
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{ |
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int fd; |
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struct mtd_info_user mtdInfo; |
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unsigned long len; |
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struct trx_header *ptr; |
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char *buf; |
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if ((fd = open("/dev/mtdblock/1", O_RDWR)) < 0) { |
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fd = open("/dev/mtdblock1", O_RDWR); |
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} |
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if (((len = lseek(fd, 0, SEEK_END)) < 0) |
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|| ((ptr = (struct trx_header *) mmap(0, len, PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0)) == (void *) (-1)) |
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printf("Error reading trx info\n"); |
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exit(-1); |
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} |
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close(fd); |
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if ((fd = open("/dev/mtd/1", O_RDWR)) < 0) { |
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fd = open("/dev/mtd1", O_RDWR); |
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} |
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if (ioctl(fd, MEMGETINFO, &mtdInfo)) { |
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fprintf(stderr, "Could not get MTD device info from mtd\n"); |
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close(fd); |
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exit(1); |
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} |
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close(fd); |
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if (argc > 1 && !strcmp(argv[1],"--move")) { |
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if (ptr->offsets[2] >= ptr->len) { |
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printf("Partition already moved outside trx\n"); |
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} else { |
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init_crc32(); |
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ptr->offsets[2] += (mtdInfo.erasesize - 1); |
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ptr->offsets[2] &= ~(mtdInfo.erasesize - 1); |
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ptr->len = ptr->offsets[2]; |
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ptr->crc32 = crc32buf((void *) &(ptr->flag_version), ptr->len - offsetof(struct trx_header, flag_version)); |
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msync(ptr,sizeof(struct trx_header),MS_SYNC|MS_INVALIDATE); |
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printf("Partition moved; please reboot\n"); |
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} |
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} else if (argc > 1 && !strcmp(argv[1], "--clean")) { |
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buf = (char *) ptr; |
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if (buf[ptr->offsets[1] - 1] == 0) { |
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init_crc32(); |
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buf[ptr->offsets[1] - 1] = 1; |
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ptr->crc32 = crc32buf((void *) &(ptr->flag_version), ptr->len - offsetof(struct trx_header, flag_version)); |
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msync(ptr,sizeof(struct trx_header),MS_SYNC|MS_INVALIDATE); |
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printf("Partition marked as clean\n"); |
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} |
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} else { |
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int x; |
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printf(" erase: 0x%08x\n",mtdInfo.erasesize); |
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printf("=== trx ===\n"); |
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printf("mapped: 0x%08x\n", (unsigned)ptr); |
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printf(" magic: 0x%08x\n", ptr->magic); |
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printf(" len: 0x%08x\n", ptr->len); |
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printf(" crc: 0x%08x\n", ptr->crc32); |
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for (x = 0; x < 3; x++) |
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printf(" offset[%d]: 0x%08x\n", x, ptr->offsets[x]); |
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} |
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munmap((void *) ptr, len); |
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return 0; |
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} |
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