obj.mvebu = linksys_bootcount.o
obj.kirkwood = linksys_bootcount.o
obj.ipq806x = linksys_bootcount.o
-obj.ipq40xx = linksys_bootcount_fix.o
+obj.ipq40xx = linksys_bootcount.o
ifdef FIS_SUPPORT
obj += fis.o
* Linksys boot counter reset code for mtd
*
* Copyright (C) 2013 Jonas Gorski <jogo@openwrt.org>
+ * Portions Copyright (c) 2019, Jeff Kletsky
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License v2
#include <string.h>
#include <errno.h>
#include <stdint.h>
+#include <syslog.h>
#include <sys/ioctl.h>
#include <mtd/mtd-user.h>
#define BOOTCOUNT_MAGIC 0x20110811
+/*
+ * EA6350v3, and potentially other NOR-boot devices,
+ * use an offset increment of 16 between records,
+ * not mtd_info_user.writesize (often 1 on NOR devices).
+ */
+
+#define BC_OFFSET_INCREMENT_MIN 16
+
+
+
+#define DLOG_OPEN()
+
+#define DLOG_ERR(...) do { \
+ fprintf(stderr, "ERROR: " __VA_ARGS__); fprintf(stderr, "\n"); \
+ } while (0)
+
+#define DLOG_NOTICE(...) do { \
+ fprintf(stderr, __VA_ARGS__); fprintf(stderr, "\n"); \
+ } while (0)
+
+#define DLOG_DEBUG(...)
+
+
+
struct bootcounter {
uint32_t magic;
uint32_t count;
struct mtd_info_user mtd_info;
struct bootcounter *curr = (struct bootcounter *)page;
unsigned int i;
+ unsigned int bc_offset_increment;
int last_count = 0;
int num_bc;
int fd;
int ret;
+ int retval = 0;
+
+ DLOG_OPEN();
fd = mtd_check_open(mtd);
if (ioctl(fd, MEMGETINFO, &mtd_info) < 0) {
- fprintf(stderr, "failed to get mtd info!\n");
- return -1;
+ DLOG_ERR("Unable to obtain mtd_info for given partition name.");
+
+ retval = -1;
+ goto out;
+ }
+
+
+ /* Detect need to override increment (for EA6350v3) */
+
+ if (mtd_info.writesize < BC_OFFSET_INCREMENT_MIN) {
+
+ bc_offset_increment = BC_OFFSET_INCREMENT_MIN;
+ DLOG_DEBUG("Offset increment set to %i for writesize of %i",
+ bc_offset_increment, mtd_info.writesize);
+ } else {
+
+ bc_offset_increment = mtd_info.writesize;
}
- num_bc = mtd_info.size / mtd_info.writesize;
+ num_bc = mtd_info.size / bc_offset_increment;
for (i = 0; i < num_bc; i++) {
- pread(fd, curr, sizeof(*curr), i * mtd_info.writesize);
+ pread(fd, curr, sizeof(*curr), i * bc_offset_increment);
+
+ /* Existing code assumes erase is to 0xff; left as-is (2019) */
- if (curr->magic != BOOTCOUNT_MAGIC && curr->magic != 0xffffffff) {
- fprintf(stderr, "unexpected magic %08x, bailing out\n", curr->magic);
+ if (curr->magic != BOOTCOUNT_MAGIC &&
+ curr->magic != 0xffffffff) {
+ DLOG_ERR("Unexpected magic %08x at offset %08x; aborting.",
+ curr->magic, i * bc_offset_increment);
+
+ retval = -2;
goto out;
}
last_count = curr->count;
}
- /* no need to do writes when last boot count is already 0 */
- if (last_count == 0)
+
+ if (last_count == 0) { /* bootcount is already 0 */
+
+ retval = 0;
goto out;
+ }
if (i == num_bc) {
+ DLOG_NOTICE("Boot-count log full with %i entries; erasing (expected occasionally).",
+ i);
+
struct erase_info_user erase_info;
erase_info.start = 0;
erase_info.length = mtd_info.size;
- /* erase block */
ret = ioctl(fd, MEMERASE, &erase_info);
if (ret < 0) {
- fprintf(stderr, "failed to erase block: %i\n", ret);
- return -1;
+ DLOG_ERR("Failed to erase boot-count log MTD; ioctl() MEMERASE returned %i",
+ ret);
+
+ retval = -3;
+ goto out;
}
i = 0;
}
- memset(curr, 0xff, mtd_info.writesize);
+ memset(curr, 0xff, bc_offset_increment);
curr->magic = BOOTCOUNT_MAGIC;
curr->count = 0;
curr->checksum = BOOTCOUNT_MAGIC;
- ret = pwrite(fd, curr, mtd_info.writesize, i * mtd_info.writesize);
- if (ret < 0)
- fprintf(stderr, "failed to write: %i\n", ret);
- sync();
+ /* Assumes bc_offset_increment is a multiple of mtd_info.writesize */
+
+ ret = pwrite(fd, curr, bc_offset_increment, i * bc_offset_increment);
+ if (ret < 0) {
+ DLOG_ERR("Failed to write boot-count log entry; pwrite() returned %i",
+ errno);
+ retval = -4;
+ goto out;
+
+ } else {
+ sync();
+
+ DLOG_NOTICE("Boot count sucessfully reset to zero.");
+
+ retval = 0;
+ goto out;
+ }
+
out:
close(fd);
-
- return 0;
+ return retval;
}
+++ /dev/null
-/*
- * Linksys boot counter reset code for mtd
- *
- * Copyright (C) 2013 Jonas Gorski <jogo@openwrt.org>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License v2
- * as published by the Free Software Foundation.
- *
- * 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.
- *
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <stddef.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <sys/mman.h>
-#include <sys/stat.h>
-#include <endian.h>
-#include <string.h>
-#include <errno.h>
-#include <stdint.h>
-
-#include <sys/ioctl.h>
-#include <mtd/mtd-user.h>
-
-#include "mtd.h"
-
-#define BOOTCOUNT_MAGIC 0x20110811
-
-struct bootcounter {
- uint32_t magic;
- uint32_t count;
- uint32_t checksum;
-};
-
-static char page[2048];
-
-int mtd_resetbc(const char *mtd)
-{
- struct mtd_info_user mtd_info;
- struct bootcounter *curr = (struct bootcounter *)page;
- unsigned int i;
- int last_count = 0;
- int num_bc;
- int fd;
- int ret;
-
- fd = mtd_check_open(mtd);
-
- if (ioctl(fd, MEMGETINFO, &mtd_info) < 0) {
- fprintf(stderr, "failed to get mtd info!\n");
- return -1;
- }
-
- num_bc = mtd_info.size / 16;
-
- for (i = 0; i < num_bc; i++) {
- pread(fd, curr, sizeof(*curr), i * 16);
-
- if (curr->magic != (BOOTCOUNT_MAGIC) && curr->magic != 0xffffffff) {
- fprintf(stderr, "unexpected magic %08x, bailing out\n", curr->magic);
- goto out;
- }
-
- if (curr->magic == 0xffffffff)
- break;
-
- last_count = curr->count;
- }
-
- /* no need to do writes when last boot count is already 0 */
- if (last_count == 0)
- goto out;
-
-
- if (i == num_bc) {
- struct erase_info_user erase_info;
- erase_info.start = 0;
- erase_info.length = mtd_info.size;
-
- /* erase block */
- ret = ioctl(fd, MEMERASE, &erase_info);
- if (ret < 0) {
- fprintf(stderr, "failed to erase block: %i\n", ret);
- return -1;
- }
-
- i = 0;
- }
-
- memset(curr, 0xff, 16);
-
- curr->magic = BOOTCOUNT_MAGIC;
- curr->count = 0;
- curr->checksum = BOOTCOUNT_MAGIC;
-
- ret = pwrite(fd, curr, 16, i * 16);
- if (ret < 0)
- fprintf(stderr, "failed to write: %i\n", ret);
- sync();
-out:
- close(fd);
-
- return 0;
-}
[ -n "$(fw_printenv bootcount changed 2>/dev/null)" ] &&\
echo -e "bootcount\nchanged\n" | /usr/sbin/fw_setenv -s -
;;
+ linksys,ea6350v3)
+ mtd resetbc s_env || true
+ ;;
esac
}
+++ /dev/null
-#!/bin/sh /etc/rc.common
-#
-# This script sets auto_recovery to "yes" and resets the boot counter to 0.
-# As a golden rule, this should be the latest script to run at boot. For a
-# developer snapshot, it is fine to set auto_recovery here. But for a stable
-# release, this script must in fact turn off auto_recovery.
-#
-# Why? Because the custom sysupgrade script for the device will turn on
-# auto_recovery to "yes". And it's the job of this script to set the
-# boot boot_count to 0 and then disable auto_recovery, as that condition
-# means that the stable release went well.
-#
-# I have to repeat: this script should be changed for stable releases.
-
-START=99
-boot() {
- . /lib/functions.sh
-
- case $(board_name) in
- linksys,ea6350v3)
- # make sure auto_recovery in uboot is always on
- IS_AUTO_RECOVERY="$(fw_printenv -n auto_recovery)"
- if [ "$IS_AUTO_RECOVERY" != "yes" ] ; then
- fw_setenv auto_recovery yes
- echo "Linksys EA6350v3: fw_setenv: auto_recovery has been set to yes"
- fi
- # reset the boot counter
- fw_setenv boot_count 0
- mtd resetbc s_env
- echo "Linksys EA6350v3: boot counter has been reset"
- echo "Linksys EA6350v3: boot_part=$(fw_printenv -n boot_part)"
- ;;
- esac
-}
linksys_get_target_firmware() {
+
+ local cur_boot_part mtd_ubi0
+
cur_boot_part=$(/usr/sbin/fw_printenv -n boot_part)
- target_firmware=""
- if [ "$cur_boot_part" = "1" ]; then
- # current primary boot - update alt boot
- target_firmware="alt_kernel"
- fw_setenv boot_part 2
- # In the Linksys EA6350v3, it is enough to set the boot_part as the boot command line is
- # bootcmd=if test $boot_part = 1; then run bootpart1; else run bootpart2; fi
- # - You probably want to use that if your device's uboot does not eval bootcmd
- #fw_setenv bootcmd "run altnandboot"
- elif [ "$cur_boot_part" = "2" ]; then
- # current alt boot - update primary boot
- target_firmware="kernel"
- fw_setenv boot_part 1
- #fw_setenv bootcmd "run nandboot"
+ if [ -z "${cur_boot_part}" ] ; then
+ mtd_ubi0=$(cat /sys/devices/virtual/ubi/ubi0/mtd_num)
+ case $(egrep "^mtd${mtd_ubi0}:" /proc/mtd | cut -d '"' -f 2) in
+ kernel|rootfs)
+ cur_boot_part=1
+ ;;
+ alt_kernel|alt_rootfs)
+ cur_boot_part=2
+ ;;
+ esac
+ >&2 printf "Current boot_part='%s' selected from ubi0/mtd_num='%s'" \
+ "${cur_boot_part}" "${mtd_ubi0}"
fi
- # re-enable recovery so we get back if the new firmware is broken
- fw_setenv auto_recovery yes
- # see /etc/init.d/zlinksys_recovery
+ # OEM U-Boot for EA6350v3 and EA8300; bootcmd=
+ # if test $auto_recovery = no;
+ # then bootipq;
+ # elif test $boot_part = 1;
+ # then run bootpart1;
+ # else run bootpart2;
+ # fi
- echo "$target_firmware"
+ case $cur_boot_part in
+ 1)
+ fw_setenv -s - <<-EOF
+ boot_part 2
+ auto_recovery yes
+ EOF
+ printf "alt_kernel"
+ return
+ ;;
+ 2)
+ fw_setenv -s - <<-EOF
+ boot_part 1
+ auto_recovery yes
+ EOF
+ printf "kernel"
+ return
+ ;;
+ *)
+ return
+ ;;
+ esac
}
linksys_get_root_magic() {
--- /dev/null
+#!/bin/sh /etc/rc.common
+
+START=99
+
+start() {
+ . /lib/functions.sh
+
+ case $(board_name) in
+ linksys,ea8500)
+ mtd resetbc s_env || true
+ ;;
+ esac
+}
+++ /dev/null
-#!/bin/sh /etc/rc.common
-# Copyright (C) 2015 OpenWrt.org
-
-START=97
-boot() {
-. /lib/functions.sh
-
-case $(board_name) in
- linksys,ea8500)
- # make sure auto_recovery in uboot is always on
- AUTO_RECOVERY_ENA="`fw_printenv -n auto_recovery`"
- if [ "$AUTO_RECOVERY_ENA" != "yes" ] ; then
- fw_setenv auto_recovery yes
- fi
- # reset the boot counter
- mtd resetbc s_env
- ;;
-esac
-}
#
linksys_get_target_firmware() {
- cur_boot_part=`/usr/sbin/fw_printenv -n boot_part`
- target_firmware=""
- if [ "$cur_boot_part" = "1" ]
- then
- # current primary boot - update alt boot
- target_firmware="kernel2"
- fw_setenv boot_part 2
- #In EA8500 bootcmd is always "bootipq", so don't change
- #fw_setenv bootcmd "run altnandboot"
- elif [ "$cur_boot_part" = "2" ]
- then
- # current alt boot - update primary boot
- target_firmware="kernel1"
- fw_setenv boot_part 1
- #In EA8500 bootcmd is always "bootipq", so don't change
- #fw_setenv bootcmd "run nandboot"
+
+ local cur_boot_part mtd_ubi0
+
+ cur_boot_part=$(/usr/sbin/fw_printenv -n boot_part)
+ if [ -z "${cur_boot_part}" ] ; then
+ mtd_ubi0=$(cat /sys/devices/virtual/ubi/ubi0/mtd_num)
+ case $(egrep ^mtd${mtd_ubi0}: /proc/mtd | cut -d '"' -f 2) in
+ kernel1|rootfs1)
+ cur_boot_part=1
+ ;;
+ kernel2|rootfs2)
+ cur_boot_part=2
+ ;;
+ esac
+ >&2 printf "Current boot_part='%s' selected from ubi0/mtd_num='%s'" \
+ "${cur_boot_part}" "${mtd_ubi0}"
fi
- # re-enable recovery so we get back if the new firmware is broken
- fw_setenv auto_recovery yes
+ cur_boot_part=`/usr/sbin/fw_printenv -n boot_part`
- echo "$target_firmware"
+ case $cur_boot_part in
+ 1)
+ fw_setenv -s - <<-EOF
+ boot_part 2
+ auto_recovery yes
+ EOF
+ printf "kernel2"
+ return
+ ;;
+ 2)
+ fw_setenv -s - <<-EOF
+ boot_part 1
+ auto_recovery yes
+ EOF
+ printf "kernel1"
+ return
+ ;;
+ *)
+ return
+ ;;
+ esac
}
linksys_get_root_magic() {
--- /dev/null
+#!/bin/sh /etc/rc.common
+
+START=99
+
+start() {
+ . /lib/functions.sh
+
+ case $(board_name) in
+ linksys,audi|\
+ linksys,viper)
+ mtd resetbc s_env || true
+ ;;
+ esac
+}
+++ /dev/null
-#!/bin/sh /etc/rc.common
-# Copyright (C) 2015 OpenWrt.org
-
-START=97
-boot() {
-. /lib/functions.sh
-
-case $(board_name) in
- linksys,audi|linksys,viper)
- # make sure auto_recovery in uboot is always on
- AUTO_RECOVERY_ENA="`fw_printenv -n auto_recovery`"
- if [ "$AUTO_RECOVERY_ENA" != "yes" ] ; then
- fw_setenv auto_recovery yes
- fi
- # reset the boot counter
- mtd resetbc s_env
- ;;
-esac
-}
#
linksys_get_target_firmware() {
- cur_boot_part=`/usr/sbin/fw_printenv -n boot_part`
- target_firmware=""
- if [ "$cur_boot_part" = "1" ]
- then
- # current primary boot - update alt boot
- target_firmware="kernel2"
- fw_setenv boot_part 2
- fw_setenv bootcmd "run altnandboot"
- elif [ "$cur_boot_part" = "2" ]
- then
- # current alt boot - update primary boot
- target_firmware="kernel1"
- fw_setenv boot_part 1
- fw_setenv bootcmd "run nandboot"
+
+ local cur_boot_part mtd_ubi0
+
+ cur_boot_part=$(/usr/sbin/fw_printenv -n boot_part)
+ if [ -z "${cur_boot_part}" ] ; then
+ mtd_ubi0=$(cat /sys/devices/virtual/ubi/ubi0/mtd_num)
+ case $(egrep ^mtd${mtd_ubi0}: /proc/mtd | cut -d '"' -f 2) in
+ kernel|rootfs)
+ cur_boot_part=1
+ ;;
+ alt_kernel|alt_rootfs)
+ cur_boot_part=2
+ ;;
+ esac
+ >&2 printf "Current boot_part='%s' selected from ubi0/mtd_num='%s'" \
+ "${cur_boot_part}" "${mtd_ubi0}"
fi
- echo "$target_firmware"
+ case $cur_boot_part in
+ 1)
+ fw_setenv -s - <<-EOF
+ boot_part 2
+ bootcmd "run altnandboot"
+ EOF
+ printf "kernel2"
+ return
+ ;;
+ 2)
+ fw_setenv -s - <<-EOF
+ boot_part 1
+ bootcmd "run nandboot"
+ EOF
+ printf "kernel1"
+ return
+ ;;
+ *)
+ return
+ ;;
+ esac
}
linksys_get_root_magic() {
--- /dev/null
+#!/bin/sh /etc/rc.common
+
+START=99
+
+start() {
+ . /lib/functions.sh
+
+ case $(board_name) in
+ linksys,caiman |\
+ linksys,cobra |\
+ linksys,mamba |\
+ linksys,rango |\
+ linksys,shelby |\
+ linksys,venom)
+ mtd resetbc s_env || true
+ ;;
+ esac
+}
+++ /dev/null
-#!/bin/sh /etc/rc.common
-# Copyright (C) 2015-2016 OpenWrt.org
-# Copyright (C) 2016 LEDE-Project.org
-
-START=97
-boot() {
-. /lib/functions.sh
-
-case $(board_name) in
- linksys,caiman|linksys,cobra|linksys,mamba|linksys,rango|linksys,shelby|linksys,venom)
- # make sure auto_recovery in uboot is always on
- AUTO_RECOVERY_ENA="`fw_printenv -n auto_recovery`"
- if [ "$AUTO_RECOVERY_ENA" != "yes" ] ; then
- fw_setenv auto_recovery yes
- fi
- # reset the boot counter
- mtd resetbc s_env
- ;;
-esac
-}
#
linksys_get_target_firmware() {
+
+ local cur_boot_part mtd_ubi0
+
cur_boot_part=`/usr/sbin/fw_printenv -n boot_part`
- target_firmware=""
- if [ "$cur_boot_part" = "1" ]
- then
- # current primary boot - update alt boot
- target_firmware="kernel2"
- fw_setenv boot_part 2
- fw_setenv bootcmd "run altnandboot"
- elif [ "$cur_boot_part" = "2" ]
- then
- # current alt boot - update primary boot
- target_firmware="kernel1"
- fw_setenv boot_part 1
- fw_setenv bootcmd "run nandboot"
+ if [ -z "${cur_boot_part}" ] ; then
+ mtd_ubi0=$(cat /sys/devices/virtual/ubi/ubi0/mtd_num)
+ case $(egrep ^mtd${mtd_ubi0}: /proc/mtd | cut -d '"' -f 2) in
+ kernel1|rootfs1)
+ cur_boot_part=1
+ ;;
+ kernel2|rootfs2)
+ cur_boot_part=2
+ ;;
+ esac
+ >&2 printf "Current boot_part='%s' selected from ubi0/mtd_num='%s'" \
+ "${cur_boot_part}" "${mtd_ubi0}"
fi
- # re-enable recovery so we get back if the new firmware is broken
- fw_setenv auto_recovery yes
-
- echo "$target_firmware"
+ case $cur_boot_part in
+ 1)
+ fw_setenv -s - <<-EOF
+ boot_part 2
+ bootcmd "run altnandboot"
+ EOF
+ printf "kernel2"
+ return
+ ;;
+ 2)
+ fw_setenv -s - <<-EOF
+ boot_part 1
+ bootcmd "run nandboot"
+ EOF
+ printf "kernel1"
+ return
+ ;;
+ *)
+ return
+ ;;
+ esac
}
linksys_get_root_magic() {
projects / openwrt / staging / jow.git / commitdiff