Mike Baker
17 years ago
parent
862103b039
commit
4a41439c46
@ -0,0 +1,5 @@
|
||||
#!/bin/sh
|
||||
# Copyright (C) 2006 OpenWrt.org
|
||||
|
||||
set_state() {
|
||||
}
|
||||
@ -1,6 +1,20 @@
|
||||
#!/bin/sh
|
||||
# Copyright (C) 2006 OpenWrt.org
|
||||
export PATH=/bin:/sbin:/usr/bin:/usr/sbin
|
||||
. /etc/diag.sh
|
||||
|
||||
failsafe() {
|
||||
lock /tmp/.failsafe
|
||||
ash --login
|
||||
}
|
||||
|
||||
[ -e /etc/preinit.arch ] && . /etc/preinit.arch
|
||||
|
||||
set_state preinit
|
||||
|
||||
mount_root ${FAILSAFE:+failsafe}
|
||||
|
||||
eval ${FAILSAFE:+failsafe}
|
||||
lock -w /tmp/.failsafe
|
||||
|
||||
exec /sbin/init
|
||||
|
||||
@ -1,9 +0,0 @@
|
||||
#!/bin/sh /etc/rc.common
|
||||
# Copyright (C) 2007 OpenWrt.org
|
||||
|
||||
START=95
|
||||
boot() {
|
||||
# set leds to normal state
|
||||
. /etc/diag.sh
|
||||
set_state done
|
||||
}
|
||||
@ -1,9 +0,0 @@
|
||||
#!/bin/sh /etc/rc.common
|
||||
# Copyright (C) 2007 OpenWrt.org
|
||||
|
||||
START=95
|
||||
boot() {
|
||||
# set leds to normal state
|
||||
. /etc/diag.sh
|
||||
set_state done
|
||||
}
|
||||
@ -1,3 +0,0 @@
|
||||
. /etc/diag.sh
|
||||
set_state preinit
|
||||
|
||||
@ -1,12 +1,9 @@
|
||||
define Build/Compile
|
||||
$(call Build/Compile/Default)
|
||||
$(TARGET_CC) -I $(PLATFORM_DIR)/src -o $(PKG_BUILD_DIR)/jffs2root $(PLATFORM_DIR)/src/jffs2root.c
|
||||
endef
|
||||
|
||||
define Package/base-files/install-target
|
||||
rm -f $(1)/etc/config/network
|
||||
mkdir -p $(1)/sbin
|
||||
$(CP) $(PKG_BUILD_DIR)/jffs2root $(1)/sbin
|
||||
endef
|
||||
|
||||
|
||||
|
||||
@ -1,128 +0,0 @@
|
||||
#!/bin/sh
|
||||
# $Id$
|
||||
. /etc/functions.sh
|
||||
|
||||
partname="rootfs_data"
|
||||
mtdpart="$(find_mtd_part $partname)"
|
||||
|
||||
rom=$(awk '/squashfs/ {print $2}' /proc/mounts)
|
||||
jffs=$(awk '/jffs2/ {print $2}' /proc/mounts)
|
||||
|
||||
dupe() { # <new_root> <old_root>
|
||||
cd $1
|
||||
echo -n "creating directories... "
|
||||
{
|
||||
cd $2
|
||||
find . -xdev -type d
|
||||
echo "./dev ./jffs ./mnt ./proc ./tmp"
|
||||
# xdev skips mounted directories
|
||||
cd $1
|
||||
} | xargs mkdir -p
|
||||
echo "done"
|
||||
|
||||
echo -n "setting up symlinks... "
|
||||
for file in $(cd $2; find . -xdev -type f;); do
|
||||
case "$file" in
|
||||
./rom/note) ;; #nothing
|
||||
./etc/config*|\
|
||||
./usr/lib/ipkg/info/*) cp -af $2/$file $file;;
|
||||
*) ln -sf /rom/${file#./*} $file;;
|
||||
esac
|
||||
done
|
||||
for file in $(cd $2; find . -xdev -type l;); do
|
||||
cp -af $2/${file#./*} $file
|
||||
done
|
||||
echo "done"
|
||||
}
|
||||
|
||||
pivot() { # <new_root> <old_root>
|
||||
mount -o move /proc $1/proc && \
|
||||
pivot_root $1 $1$2 && {
|
||||
mount -o move $2/dev /dev
|
||||
mount -o move $2/tmp /tmp
|
||||
mount -o move $2/jffs /jffs 2>&-
|
||||
return 0
|
||||
}
|
||||
}
|
||||
|
||||
fopivot() { # <rw_root> <ro_root> <dupe?>
|
||||
root=$1
|
||||
{
|
||||
mount -t mini_fo -o base=/,sto=$1 $1 /mnt 2>&- && root=/mnt
|
||||
} || {
|
||||
[ "$3" = "1" ] && {
|
||||
mount | grep "on $1 type" 2>&- 1>&- || mount -o bind $1 $1
|
||||
dupe $1 $rom
|
||||
}
|
||||
}
|
||||
pivot $root $2
|
||||
}
|
||||
|
||||
ramoverlay() {
|
||||
mkdir -p /tmp/root
|
||||
fopivot /tmp/root /rom 1
|
||||
}
|
||||
|
||||
# invoked as an executable
|
||||
[ "${0##*/}" = "firstboot" ] && {
|
||||
|
||||
[ -z "$mtdpart" ] && {
|
||||
echo "MTD partition not found."
|
||||
exit 1
|
||||
}
|
||||
|
||||
[ -z "$rom" ] && {
|
||||
echo "You do not have a squashfs partition; aborting"
|
||||
echo "(firstboot cannot be run on jffs2 based firmwares)"
|
||||
exit 1
|
||||
}
|
||||
|
||||
[ "$1" = "switch2jffs" ] && {
|
||||
mtd erase "$partname"
|
||||
|
||||
# try to avoid fs changing while copying
|
||||
mount -o remount,ro none / 2>&-
|
||||
|
||||
# copy ramoverlay to jffs2
|
||||
mount "$mtdpart" /rom/jffs -t jffs2
|
||||
echo -n "copying files ... "
|
||||
cp -a /tmp/root/* /rom/jffs 2>&-
|
||||
echo "done"
|
||||
|
||||
# switch back to squashfs (temporarily)
|
||||
# and park the ramdisk ontop of /tmp/root
|
||||
pivot /rom /mnt
|
||||
mount -o move /mnt /tmp/root
|
||||
|
||||
# /jffs is the overlay
|
||||
# /rom is the readonly
|
||||
fopivot /jffs /rom
|
||||
|
||||
# try to get rid of /tmp/root
|
||||
# this will almost always fail
|
||||
umount /tmp/root 2>&-
|
||||
|
||||
# fs is clean
|
||||
jffs2root --clean
|
||||
exit 0
|
||||
}
|
||||
|
||||
# script run manually
|
||||
[ \! -z "$jffs" ] && {
|
||||
echo "firstboot has already been run"
|
||||
echo "jffs2 partition is mounted, only resetting files"
|
||||
grep mini_fo /proc/filesystems >&-
|
||||
[ $? != 0 ] && {
|
||||
dupe $jffs $rom
|
||||
exit 0
|
||||
} || {
|
||||
rm -rf $jffs/* 2>&-
|
||||
mount -o remount $jffs / 2>&-
|
||||
exit 0
|
||||
}
|
||||
}
|
||||
|
||||
mtd erase "$partname"
|
||||
mount "$mtdpart" /jffs -t jffs2
|
||||
fopivot /jffs /rom 1
|
||||
}
|
||||
@ -1,29 +0,0 @@
|
||||
#!/bin/sh
|
||||
# Copyright (C) 2006 OpenWrt.org
|
||||
. /etc/functions.sh
|
||||
|
||||
is_dirty() {
|
||||
mtdpart="$(find_mtd_part linux)"
|
||||
grep Broadcom /proc/cpuinfo >&- || return 1
|
||||
OFFSET="$(($(hexdump -v $mtdpart -s 20 -n 2 -e '"%d"')-1))"
|
||||
return $(hexdump -v $mtdpart -s $OFFSET -n 1 -e '"%d"')
|
||||
}
|
||||
|
||||
if [ "$1" != "failsafe" ]; then
|
||||
mtd unlock linux
|
||||
mount | grep jffs2 >&-
|
||||
if [ $? = 0 ] ; then
|
||||
mount -o remount,rw /dev/root /
|
||||
else
|
||||
. /bin/firstboot
|
||||
is_dirty
|
||||
[ $? != 0 ] && {
|
||||
echo "switching to jffs2"
|
||||
mount $(find_mtd_part rootfs_data) /jffs -t jffs2
|
||||
fopivot /jffs /rom
|
||||
} || {
|
||||
echo "jffs2 not ready yet; using ramdisk"
|
||||
ramoverlay
|
||||
}
|
||||
fi
|
||||
fi
|
||||
@ -1,138 +0,0 @@
|
||||
/*
|
||||
* jffs2root.c
|
||||
*
|
||||
* Copyright (C) 2005 Mike Baker
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU General Public License
|
||||
* as published by the Free Software Foundation; either version 2
|
||||
* of the License, or (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
||||
*
|
||||
* $Id$
|
||||
*
|
||||
*/
|
||||
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <stddef.h>
|
||||
#include <unistd.h>
|
||||
#include <fcntl.h>
|
||||
#include <sys/mman.h>
|
||||
#include <sys/stat.h>
|
||||
#include <string.h>
|
||||
|
||||
#include <sys/ioctl.h>
|
||||
#include "mtd.h"
|
||||
|
||||
struct trx_header {
|
||||
unsigned magic; /* "HDR0" */
|
||||
unsigned len; /* Length of file including header */
|
||||
unsigned crc32; /* 32-bit CRC from flag_version to end of file */
|
||||
unsigned flag_version; /* 0:15 flags, 16:31 version */
|
||||
unsigned offsets[3]; /* Offsets of partitions from start of header */
|
||||
};
|
||||
|
||||
unsigned long *crc32;
|
||||
|
||||
void init_crc32()
|
||||
{
|
||||
unsigned long crc;
|
||||
unsigned long poly = 0xEDB88320L;
|
||||
int n, bit;
|
||||
if ((crc32 = (unsigned long *) malloc(256 * sizeof(unsigned long))) == (void *)-1) {
|
||||
perror("malloc");
|
||||
exit(1);
|
||||
}
|
||||
for (n = 0; n < 256; n++) {
|
||||
crc = (unsigned long) n;
|
||||
for (bit = 0; bit < 8; bit++)
|
||||
crc = (crc & 1) ? (poly ^ (crc >> 1)) : (crc >> 1);
|
||||
crc32[n] = crc;
|
||||
}
|
||||
}
|
||||
|
||||
unsigned int crc32buf(char *buf, size_t len)
|
||||
{
|
||||
unsigned int crc = 0xFFFFFFFF;
|
||||
for (; len; len--, buf++)
|
||||
crc = crc32[(crc ^ *buf) & 0xff] ^ (crc >> 8);
|
||||
return crc;
|
||||
}
|
||||
|
||||
int main(int argc, char **argv)
|
||||
{
|
||||
int fd;
|
||||
struct mtd_info_user mtdInfo;
|
||||
unsigned long len;
|
||||
struct trx_header *ptr;
|
||||
char *buf;
|
||||
|
||||
if ((fd = open("/dev/mtdblock/1", O_RDWR)) < 0) {
|
||||
fd = open("/dev/mtdblock1", O_RDWR);
|
||||
}
|
||||
|
||||
if (((len = lseek(fd, 0, SEEK_END)) < 0)
|
||||
|| ((ptr = (struct trx_header *) mmap(0, len, PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0)) == (void *) (-1))
|
||||
|| (ptr->magic != 0x30524448)) {
|
||||
printf("Error reading trx info\n");
|
||||
exit(-1);
|
||||
}
|
||||
|
||||
close(fd);
|
||||
|
||||
if ((fd = open("/dev/mtd/1", O_RDWR)) < 0) {
|
||||
fd = open("/dev/mtd1", O_RDWR);
|
||||
}
|
||||
|
||||
if (ioctl(fd, MEMGETINFO, &mtdInfo)) {
|
||||
fprintf(stderr, "Could not get MTD device info from mtd\n");
|
||||
close(fd);
|
||||
exit(1);
|
||||
}
|
||||
close(fd);
|
||||
|
||||
if (argc > 1 && !strcmp(argv[1],"--move")) {
|
||||
if (ptr->offsets[2] >= ptr->len) {
|
||||
printf("Partition already moved outside trx\n");
|
||||
} else {
|
||||
init_crc32();
|
||||
ptr->offsets[2] += (mtdInfo.erasesize - 1);
|
||||
ptr->offsets[2] &= ~(mtdInfo.erasesize - 1);
|
||||
ptr->len = ptr->offsets[2];
|
||||
ptr->crc32 = crc32buf((void *) &(ptr->flag_version), ptr->len - offsetof(struct trx_header, flag_version));
|
||||
msync(ptr,sizeof(struct trx_header),MS_SYNC|MS_INVALIDATE);
|
||||
printf("Partition moved; please reboot\n");
|
||||
}
|
||||
} else if (argc > 1 && !strcmp(argv[1], "--clean")) {
|
||||
buf = (char *) ptr;
|
||||
if (buf[ptr->offsets[1] - 1] == 0) {
|
||||
init_crc32();
|
||||
buf[ptr->offsets[1] - 1] = 1;
|
||||
ptr->crc32 = crc32buf((void *) &(ptr->flag_version), ptr->len - offsetof(struct trx_header, flag_version));
|
||||
msync(ptr,sizeof(struct trx_header),MS_SYNC|MS_INVALIDATE);
|
||||
printf("Partition marked as clean\n");
|
||||
}
|
||||
} else {
|
||||
int x;
|
||||
printf(" erase: 0x%08x\n",mtdInfo.erasesize);
|
||||
printf("=== trx ===\n");
|
||||
printf("mapped: 0x%08x\n", (unsigned)ptr);
|
||||
printf(" magic: 0x%08x\n", ptr->magic);
|
||||
printf(" len: 0x%08x\n", ptr->len);
|
||||
printf(" crc: 0x%08x\n", ptr->crc32);
|
||||
for (x = 0; x < 3; x++)
|
||||
printf(" offset[%d]: 0x%08x\n", x, ptr->offsets[x]);
|
||||
}
|
||||
|
||||
munmap((void *) ptr, len);
|
||||
return 0;
|
||||
}
|
||||
Loading…
Reference in New Issue