From 4a41439c46022840555c3c16c30324b5760c07e2 Mon Sep 17 00:00:00 2001 From: Mike Baker Date: Thu, 10 May 2007 14:37:47 +0000 Subject: unified preinit environment SVN-Revision: 7173 --- package/base-files/files/bin/firstboot | 4 - package/base-files/files/etc/diag.sh | 5 + package/base-files/files/etc/init.d/done | 15 +++ package/base-files/files/etc/preinit | 14 +++ package/base-files/files/sbin/mount_root | 22 +++- .../ar7-2.6/base-files/default/etc/init.d/done | 9 -- .../au1000-2.6/base-files/default/etc/init.d/done | 9 -- .../au1000-2.6/base-files/default/etc/preinit.arch | 3 - target/linux/brcm-2.4/base-files.mk | 3 - .../brcm-2.4/base-files/default/bin/firstboot | 128 ------------------- .../brcm-2.4/base-files/default/etc/init.d/done | 15 --- .../linux/brcm-2.4/base-files/default/etc/preinit | 96 -------------- .../brcm-2.4/base-files/default/etc/preinit.arch | 87 +++++++++++++ .../brcm-2.4/base-files/default/sbin/mount_root | 29 ----- target/linux/brcm-2.4/image/Makefile | 5 + target/linux/brcm-2.4/src/jffs2root.c | 138 --------------------- 16 files changed, 144 insertions(+), 438 deletions(-) create mode 100644 package/base-files/files/etc/diag.sh create mode 100755 package/base-files/files/etc/init.d/done delete mode 100755 target/linux/ar7-2.6/base-files/default/etc/init.d/done delete mode 100755 target/linux/au1000-2.6/base-files/default/etc/init.d/done delete mode 100755 target/linux/au1000-2.6/base-files/default/etc/preinit.arch delete mode 100755 target/linux/brcm-2.4/base-files/default/bin/firstboot delete mode 100755 target/linux/brcm-2.4/base-files/default/etc/init.d/done delete mode 100755 target/linux/brcm-2.4/base-files/default/etc/preinit create mode 100755 target/linux/brcm-2.4/base-files/default/etc/preinit.arch delete mode 100755 target/linux/brcm-2.4/base-files/default/sbin/mount_root delete mode 100644 target/linux/brcm-2.4/src/jffs2root.c diff --git a/package/base-files/files/bin/firstboot b/package/base-files/files/bin/firstboot index ef2ba5733b..267e6732d9 100755 --- a/package/base-files/files/bin/firstboot +++ b/package/base-files/files/bin/firstboot @@ -79,8 +79,6 @@ ramoverlay() { } [ "$1" = "switch2jffs" ] && { - mtd erase "$partname" - # try to avoid fs changing while copying mount -o remount,ro none / 2>&- @@ -103,8 +101,6 @@ ramoverlay() { # this will almost always fail umount /tmp/root 2>&- - # fs is clean - jffs2root --clean exit 0 } diff --git a/package/base-files/files/etc/diag.sh b/package/base-files/files/etc/diag.sh new file mode 100644 index 0000000000..7ecb7330ff --- /dev/null +++ b/package/base-files/files/etc/diag.sh @@ -0,0 +1,5 @@ +#!/bin/sh +# Copyright (C) 2006 OpenWrt.org + +set_state() { +} diff --git a/package/base-files/files/etc/init.d/done b/package/base-files/files/etc/init.d/done new file mode 100755 index 0000000000..0640b61938 --- /dev/null +++ b/package/base-files/files/etc/init.d/done @@ -0,0 +1,15 @@ +#!/bin/sh /etc/rc.common +# Copyright (C) 2006 OpenWrt.org + +START=95 +boot() { + [ -d /tmp/root ] && { + lock /tmp/.switch2jffs + firstboot switch2jffs + lock -u /tmp/.switch2jffs + } + + # set leds to normal state + . /etc/diag.sh + set_state done +} diff --git a/package/base-files/files/etc/preinit b/package/base-files/files/etc/preinit index c60a0f850f..b23508f552 100755 --- a/package/base-files/files/etc/preinit +++ b/package/base-files/files/etc/preinit @@ -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 ${FAILSAFE:+failsafe} +lock -w /tmp/.failsafe + exec /sbin/init diff --git a/package/base-files/files/sbin/mount_root b/package/base-files/files/sbin/mount_root index 607c799682..a783f3d8ff 100755 --- a/package/base-files/files/sbin/mount_root +++ b/package/base-files/files/sbin/mount_root @@ -3,9 +3,10 @@ . /etc/functions.sh mount none /proc -t proc -size=$(awk '/Mem:/ {l=5242880;print((s=$2/2)/dev/null; then mount none /dev -t devfs else @@ -13,7 +14,9 @@ else mknod /dev/console c 5 1 exec >/dev/console &1 fi + mkdir /dev/shm + if grep sysfs /proc/filesystems >/dev/null; then mount -t sysfs none /sys HOTPLUG="" @@ -27,14 +30,25 @@ echo "$HOTPLUG" > /proc/sys/kernel/hotplug mkdir -p /dev/pts mount none /dev/pts -t devpts +jffs2_ready () { + mtdpart="$(find_mtd_part rootfs_data)" + magic=$(hexdump $mtdpart -n 4 -e '4/1 "%02x"') + [ "$magic" != "deadc0de" ] +} + [ failsafe != "$1" ] && { grep rootfs /proc/mtd >/dev/null 2>/dev/null && { mtd unlock rootfs grep rootfs_data /proc/mtd >/dev/null 2>/dev/null && { . /bin/firstboot - echo "switching to jffs2" - mount "$(find_mtd_part rootfs_data)" /jffs -t jffs2 - fopivot /jffs /rom + jffs2_ready && { + echo "switching to jffs2" + mount "$(find_mtd_part rootfs_data)" /jffs -t jffs2 + fopivot /jffs /rom + } || { + echo "jffs2 not ready yet; using ramdisk" + ramoverlay + } } } || mount -o remount,rw /dev/root / } diff --git a/target/linux/ar7-2.6/base-files/default/etc/init.d/done b/target/linux/ar7-2.6/base-files/default/etc/init.d/done deleted file mode 100755 index 9cd641d7c3..0000000000 --- a/target/linux/ar7-2.6/base-files/default/etc/init.d/done +++ /dev/null @@ -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 -} diff --git a/target/linux/au1000-2.6/base-files/default/etc/init.d/done b/target/linux/au1000-2.6/base-files/default/etc/init.d/done deleted file mode 100755 index 9cd641d7c3..0000000000 --- a/target/linux/au1000-2.6/base-files/default/etc/init.d/done +++ /dev/null @@ -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 -} diff --git a/target/linux/au1000-2.6/base-files/default/etc/preinit.arch b/target/linux/au1000-2.6/base-files/default/etc/preinit.arch deleted file mode 100755 index bff7ccedfc..0000000000 --- a/target/linux/au1000-2.6/base-files/default/etc/preinit.arch +++ /dev/null @@ -1,3 +0,0 @@ -. /etc/diag.sh -set_state preinit - diff --git a/target/linux/brcm-2.4/base-files.mk b/target/linux/brcm-2.4/base-files.mk index 9a2e365b67..6191cb2562 100644 --- a/target/linux/brcm-2.4/base-files.mk +++ b/target/linux/brcm-2.4/base-files.mk @@ -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 diff --git a/target/linux/brcm-2.4/base-files/default/bin/firstboot b/target/linux/brcm-2.4/base-files/default/bin/firstboot deleted file mode 100755 index 5d374371c0..0000000000 --- a/target/linux/brcm-2.4/base-files/default/bin/firstboot +++ /dev/null @@ -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() { # - 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() { # - 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() { # - 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 "$mtdpart" /jffs -t jffs2 - fopivot /jffs /rom 1 -} diff --git a/target/linux/brcm-2.4/base-files/default/etc/init.d/done b/target/linux/brcm-2.4/base-files/default/etc/init.d/done deleted file mode 100755 index 0640b61938..0000000000 --- a/target/linux/brcm-2.4/base-files/default/etc/init.d/done +++ /dev/null @@ -1,15 +0,0 @@ -#!/bin/sh /etc/rc.common -# Copyright (C) 2006 OpenWrt.org - -START=95 -boot() { - [ -d /tmp/root ] && { - lock /tmp/.switch2jffs - firstboot switch2jffs - lock -u /tmp/.switch2jffs - } - - # set leds to normal state - . /etc/diag.sh - set_state done -} diff --git a/target/linux/brcm-2.4/base-files/default/etc/preinit b/target/linux/brcm-2.4/base-files/default/etc/preinit deleted file mode 100755 index 7a61c9412e..0000000000 --- a/target/linux/brcm-2.4/base-files/default/etc/preinit +++ /dev/null @@ -1,96 +0,0 @@ -#!/bin/sh -# Copyright (C) 2006 OpenWrt.org - -. /etc/functions.sh -. /etc/diag.sh - -failsafe() { - lock /tmp/.failsafe - - echo "0 1 2 3 4 5u*" > /proc/switch/eth0/vlan/0/ports - - set_state failsafe - [ -x "/usr/sbin/nvram" ] && { - [ "$(nvram get boot_wait)" != "on" ] && { - nvram set boot_wait=on - nvram commit - } - } - - netmsg 192.168.1.255 "Entering Failsafe!" - telnetd -l /bin/login <> /dev/null 2>&1 - - ash --login -} - -export PATH=/bin:/sbin:/usr/bin:/usr/sbin -mount none /proc -t proc -size=$(awk '/Mem:/ {l=5242880;print((s=$2/2) /dev/null; then - mount none /dev -t devfs - M0=/dev/pty/m0 - M1=/dev/pty/m1 - HOTPLUG=/sbin/hotplug-call -else - mount -t sysfs none /sys - mount -t tmpfs tmpfs /dev -o size=512K - mknod /dev/console c 5 1 - mkdir /dev/shm - /sbin/hotplug2 --no-persistent --coldplug --set-rules-file /etc/hotplug2-init.rules - M0=/dev/ptmx - M1=/dev/ptmx - HOTPLUG= -fi -mkdir -p /dev/pts -mount none /dev/pts -t devpts - -# the shell really doesn't like having stdin/out closed -# that's why we use /dev/pty/m0 and m1 as replacement -# for /dev/console if there's no serial console available -dd if=/dev/console of=/dev/null bs=1 count=0 >/dev/null 2>/dev/null || \ - exec <$M0 >$M1 2>&0 - -insmod diag -set_state preinit -trap 'FAILSAFE=true' USR1 -echo '/sbin/hotplug.failsafe' > /proc/sys/kernel/hotplug - -ifname=eth0 - -# hardware specific overrides -case "$(cat /proc/diag/model)" in - "Linksys WAP54G V1") ifname=eth1;; - "ASUS WL-HDD") ifname=eth1;; - "ASUS WL-300g") ifname=eth1;; - "ASUS (unknown, BCM4702)") ifname=eth1;; -esac - -ifconfig $ifname 192.168.1.1 netmask 255.255.255.0 broadcast 192.168.1.255 up - -insmod switch-core -insmod switch-robo || insmod switch-adm || rmmod switch-core - -[ -d /proc/switch/eth0 ] && { - echo 1 > /proc/switch/eth0/reset - - # this would be easier if we blasted the message across all ports - # but we don't want packets leaking across interfaces - for port in $(seq 0 4); do { - echo "$port 5u*" > /proc/switch/eth0/vlan/0/ports - netmsg 192.168.1.255 "Press reset now, to enter Failsafe!" - }; done -} || netmsg 192.168.1.255 "Press reset now, to enter Failsafe!" - -sleep 2 - -eval ${FAILSAFE:+failsafe} - -lock -w /tmp/.failsafe -set_state preinit -echo "$HOTPLUG" > /proc/sys/kernel/hotplug - -ifconfig $ifname 0.0.0.0 down - -mount_root -exec /sbin/init diff --git a/target/linux/brcm-2.4/base-files/default/etc/preinit.arch b/target/linux/brcm-2.4/base-files/default/etc/preinit.arch new file mode 100755 index 0000000000..d3a0bfc491 --- /dev/null +++ b/target/linux/brcm-2.4/base-files/default/etc/preinit.arch @@ -0,0 +1,87 @@ +. /etc/functions.sh + +failsafe_ip() { + ifconfig $ifname 192.168.1.1 netmask 255.255.255.0 broadcast 192.168.1.255 up +} + +failsafe() { + lock /tmp/.failsafe + failsafe_ip + + echo "0 1 2 3 4 5u*" > /proc/switch/eth0/vlan/0/ports + + set_state failsafe + [ -x "/usr/sbin/nvram" ] && { + [ "$(nvram get boot_wait)" != "on" ] && { + nvram set boot_wait=on + nvram commit + } + } + + netmsg 192.168.1.255 "Entering Failsafe!" + telnetd -l /bin/login <> /dev/null 2>&1 + + ash --login +} + +mount none /proc -t proc + +if grep devfs /proc/filesystems > /dev/null; then + mount none /dev -t devfs + M0=/dev/pty/m0 + M1=/dev/pty/m1 + HOTPLUG=/sbin/hotplug-call +else + mount -t sysfs none /sys + mount -t tmpfs tmpfs /dev -o size=512K + mknod /dev/console c 5 1 + mkdir /dev/shm + /sbin/hotplug2 --no-persistent --coldplug --set-rules-file /etc/hotplug2-init.rules + M0=/dev/ptmx + M1=/dev/ptmx + HOTPLUG= +fi +mkdir -p /dev/pts +mount none /dev/pts -t devpts + +# the shell really doesn't like having stdin/out closed +# that's why we use /dev/pty/m0 and m1 as replacement +# for /dev/console if there's no serial console available +dd if=/dev/console of=/dev/null bs=1 count=0 >/dev/null 2>/dev/null || \ + exec <$M0 >$M1 2>&0 + +insmod diag +set_state preinit +trap 'FAILSAFE=true' USR1 +echo '/sbin/hotplug.failsafe' > /proc/sys/kernel/hotplug + +ifname=eth0 + +# hardware specific overrides +case "$(cat /proc/diag/model)" in + "Linksys WAP54G V1") ifname=eth1;; + "ASUS WL-HDD") ifname=eth1;; + "ASUS WL-300g") ifname=eth1;; + "ASUS (unknown, BCM4702)") ifname=eth1;; +esac + +failsafe_ip + +insmod switch-core +insmod switch-robo || insmod switch-adm || rmmod switch-core + +[ -d /proc/switch/eth0 ] && { + echo 1 > /proc/switch/eth0/reset + + # this would be easier if we blasted the message across all ports + # but we don't want packets leaking across interfaces + for port in $(seq 0 4); do { + echo "$port 5u*" > /proc/switch/eth0/vlan/0/ports + netmsg 192.168.1.255 "Press reset now, to enter Failsafe!" + }; done +} || netmsg 192.168.1.255 "Press reset now, to enter Failsafe!" + +sleep 2 +echo "$HOTPLUG" > /proc/sys/kernel/hotplug + +ifconfig $ifname 0.0.0.0 down diff --git a/target/linux/brcm-2.4/base-files/default/sbin/mount_root b/target/linux/brcm-2.4/base-files/default/sbin/mount_root deleted file mode 100755 index a9dd2764dd..0000000000 --- a/target/linux/brcm-2.4/base-files/default/sbin/mount_root +++ /dev/null @@ -1,29 +0,0 @@ -#!/bin/sh -# Copyright (C) 2006 OpenWrt.org -. /etc/functions.sh - -is_dirty() { - mtdpart="$(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 diff --git a/target/linux/brcm-2.4/image/Makefile b/target/linux/brcm-2.4/image/Makefile index 41bd1c89cd..6515d134c8 100644 --- a/target/linux/brcm-2.4/image/Makefile +++ b/target/linux/brcm-2.4/image/Makefile @@ -50,7 +50,12 @@ define trxalign/squashfs -a 1024 endef +define Image/Build/squashfs + $(call prepare_generic_squashfs,$(KDIR)/root.squashfs) +endef + define Image/Build + $(call Image/Build/$(1)) $(STAGING_DIR)/bin/trx -o $(BIN_DIR)/openwrt-$(BOARD)-$(KERNEL)-$(1).trx -f $(KDIR)/loader.gz -f $(KDIR)/vmlinux.lzma $(call trxalign/$(1)) -f $(KDIR)/root.$(1) ifneq ($(1),jffs2-128k) $(call Image/Build/CyberTAN,$(1),wrt54g3g,W54F,2.01.1,$(patsubst jffs2-%,jffs2,$(1))) diff --git a/target/linux/brcm-2.4/src/jffs2root.c b/target/linux/brcm-2.4/src/jffs2root.c deleted file mode 100644 index 0afca57472..0000000000 --- a/target/linux/brcm-2.4/src/jffs2root.c +++ /dev/null @@ -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 -#include -#include -#include -#include -#include -#include -#include - -#include -#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; -} -- cgit v1.2.3