mirror of
https://github.com/koreader/koreader
synced 2024-11-13 19:11:25 +00:00
dc964f3941
platform: do not pass a directory on the command line. The home directory will be properly set by Device.home_dir. It was sometimes crashing when opened with no args. Fixes: #7049
546 lines
26 KiB
Bash
Executable File
546 lines
26 KiB
Bash
Executable File
#!/bin/sh
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export LC_ALL="en_US.UTF-8"
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# Compute our working directory in an extremely defensive manner
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SCRIPT_DIR="$(CDPATH='' cd -- "$(dirname -- "$0")" && pwd -P)"
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# NOTE: We need to remember the *actual* KOREADER_DIR, not the relocalized version in /tmp...
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export KOREADER_DIR="${KOREADER_DIR:-${SCRIPT_DIR}}"
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# We rely on starting from our working directory, and it needs to be set, sane and absolute.
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cd "${KOREADER_DIR:-/dev/null}" || exit
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# To make USBMS behave, relocalize ourselves outside of onboard
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if [ "${SCRIPT_DIR}" != "/tmp" ]; then
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cp -pf "${0}" "/tmp/koreader.sh"
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chmod 777 "/tmp/koreader.sh"
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exec "/tmp/koreader.sh" "$@"
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fi
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# Attempt to switch to a sensible CPUFreq governor when that's not already the case...
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IFS= read -r current_cpufreq_gov <"/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor"
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# NOTE: What's available depends on the HW, so, we'll have to take it step by step...
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# Roughly follow Nickel's behavior (which prefers interactive), and prefer interactive, then ondemand, and finally conservative/dvfs.
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if [ "${current_cpufreq_gov}" != "interactive" ]; then
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if grep -q "interactive" "/sys/devices/system/cpu/cpu0/cpufreq/scaling_available_governors"; then
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ORIG_CPUFREQ_GOV="${current_cpufreq_gov}"
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echo "interactive" >"/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor"
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elif [ "${current_cpufreq_gov}" != "ondemand" ]; then
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if grep -q "ondemand" "/sys/devices/system/cpu/cpu0/cpufreq/scaling_available_governors"; then
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# NOTE: This should never really happen: every kernel that supports ondemand already supports interactive ;).
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# They were both introduced on Mk. 6
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ORIG_CPUFREQ_GOV="${current_cpufreq_gov}"
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echo "ondemand" >"/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor"
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elif [ -e "/sys/devices/platform/mxc_dvfs_core.0/enable" ]; then
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# The rest of this block assumes userspace is available...
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if grep -q "userspace" "/sys/devices/system/cpu/cpu0/cpufreq/scaling_available_governors"; then
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ORIG_CPUFREQ_GOV="${current_cpufreq_gov}"
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export CPUFREQ_DVFS="true"
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# If we can use conservative, do so, but we'll tweak it a bit to make it somewhat useful given our load patterns...
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# We unfortunately don't have any better choices on those kernels,
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# the only other governors available are powersave & performance (c.f., #4114)...
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if grep -q "conservative" "/sys/devices/system/cpu/cpu0/cpufreq/scaling_available_governors"; then
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export CPUFREQ_CONSERVATIVE="true"
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echo "conservative" >"/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor"
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# NOTE: The knobs survive a governor switch, which is why we do this now ;).
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echo "2" >"/sys/devices/system/cpu/cpufreq/conservative/sampling_down_factor"
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echo "50" >"/sys/devices/system/cpu/cpufreq/conservative/freq_step"
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echo "11" >"/sys/devices/system/cpu/cpufreq/conservative/down_threshold"
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echo "12" >"/sys/devices/system/cpu/cpufreq/conservative/up_threshold"
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# NOTE: The default sampling_rate is a bit high for my tastes,
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# but it unfortunately defaults to its lowest possible setting...
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fi
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# NOTE: Now, here comes the freaky stuff... On a H2O, DVFS is only enabled when Wi-Fi is *on*.
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# When it's off, DVFS is off, which pegs the CPU @ max clock given that DVFS means the userspace governor.
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# The flip may originally have been switched by the sdio_wifi_pwr module itself,
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# via ntx_wifi_power_ctrl @ arch/arm/mach-mx5/mx50_ntx_io.c (which is also the CM_WIFI_CTRL (208) ntx_io ioctl),
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# but the code in the published H2O kernel sources actually does the reverse, and is commented out ;).
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# It is now entirely handled by Nickel, right *before* loading/unloading that module.
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# (There's also a bug(?) where that behavior is inverted for the *first* Wi-Fi session after a cold boot...)
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if grep -q "sdio_wifi_pwr" "/proc/modules"; then
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# Wi-Fi is enabled, make sure DVFS is on
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echo "userspace" >"/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor"
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echo "1" >"/sys/devices/platform/mxc_dvfs_core.0/enable"
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else
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# Wi-Fi is disabled, make sure DVFS is off
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echo "0" >"/sys/devices/platform/mxc_dvfs_core.0/enable"
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# Switch to conservative to avoid being stuck at max clock if we can...
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if [ -n "${CPUFREQ_CONSERVATIVE}" ]; then
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echo "conservative" >"/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor"
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else
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# Otherwise, we'll be pegged at max clock...
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echo "userspace" >"/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor"
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# The kernel should already be taking care of that...
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cat "/sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq" >"/sys/devices/system/cpu/cpu0/cpufreq/scaling_setspeed"
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fi
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fi
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fi
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fi
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fi
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fi
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# update to new version from OTA directory
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ko_update_check() {
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NEWUPDATE="${KOREADER_DIR}/ota/koreader.updated.tar"
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INSTALLED="${KOREADER_DIR}/ota/koreader.installed.tar"
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if [ -f "${NEWUPDATE}" ]; then
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./fbink -q -y -7 -pmh "Updating KOReader"
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# NOTE: See frontend/ui/otamanager.lua for a few more details on how we squeeze a percentage out of tar's checkpoint feature
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# NOTE: %B should always be 512 in our case, so let stat do part of the maths for us instead of using %s ;).
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FILESIZE="$(stat -c %b "${NEWUPDATE}")"
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BLOCKS="$((FILESIZE / 20))"
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export CPOINTS="$((BLOCKS / 100))"
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# shellcheck disable=SC2016
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./tar xf "${NEWUPDATE}" --strip-components=1 --no-same-permissions --no-same-owner --checkpoint="${CPOINTS}" --checkpoint-action=exec='./fbink -q -y -6 -P $(($TAR_CHECKPOINT/$CPOINTS))'
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fail=$?
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# Cleanup behind us...
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if [ "${fail}" -eq 0 ]; then
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mv "${NEWUPDATE}" "${INSTALLED}"
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./fbink -q -y -6 -pm "Update successful :)"
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./fbink -q -y -5 -pm "KOReader will start momentarily . . ."
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# Warn if the startup script has been updated...
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if [ "$(md5sum "/tmp/koreader.sh" | cut -f1 -d' ')" != "$(md5sum "${KOREADER_DIR}/koreader.sh" | cut -f1 -d' ')" ]; then
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./fbink -q -pmMh "Update contains a startup script update!"
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fi
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else
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# Uh oh...
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./fbink -q -y -6 -pmh "Update failed :("
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./fbink -q -y -5 -pm "KOReader may fail to function properly!"
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fi
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rm -f "${NEWUPDATE}" # always purge newupdate in all cases to prevent update loop
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unset BLOCKS CPOINTS
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# Ensure everything is flushed to disk before we restart. This *will* stall for a while on slow storage!
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sync
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fi
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}
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# NOTE: Keep doing an initial update check, in addition to one during the restart loop, so we can pickup potential updates of this very script...
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ko_update_check
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# If an update happened, and was successful, reexec
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if [ -n "${fail}" ] && [ "${fail}" -eq 0 ]; then
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# By now, we know we're in the right directory, and our script name is pretty much set in stone, so we can forgo using $0
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exec ./koreader.sh "${@}"
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fi
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# load our own shared libraries if possible
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export LD_LIBRARY_PATH="${KOREADER_DIR}/libs:${LD_LIBRARY_PATH}"
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# export trained OCR data directory
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export TESSDATA_PREFIX="data"
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# export dict directory
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export STARDICT_DATA_DIR="data/dict"
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# export external font directory
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export EXT_FONT_DIR="/mnt/onboard/fonts"
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# Quick'n dirty way of checking if we were started while Nickel was running (e.g., KFMon),
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# or from another launcher entirely, outside of Nickel (e.g., KSM).
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VIA_NICKEL="false"
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if pkill -0 nickel; then
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VIA_NICKEL="true"
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fi
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# NOTE: Do not delete this line because KSM detects newer versions of KOReader by the presence of the phrase 'from_nickel'.
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if [ "${VIA_NICKEL}" = "true" ]; then
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# Detect if we were started from KFMon
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FROM_KFMON="false"
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if pkill -0 kfmon; then
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# That's a start, now check if KFMon truly is our parent...
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if [ "$(pidof -s kfmon)" -eq "${PPID}" ]; then
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FROM_KFMON="true"
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fi
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fi
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# Check if Nickel is our parent...
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FROM_NICKEL="false"
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if [ -n "${NICKEL_HOME}" ]; then
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FROM_NICKEL="true"
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fi
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# If we were spawned outside of Nickel, we'll need a few extra bits from its own env...
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if [ "${FROM_NICKEL}" = "false" ]; then
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# Siphon a few things from nickel's env (namely, stuff exported by rcS *after* on-animator.sh has been launched)...
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# shellcheck disable=SC2046
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export $(grep -s -E -e '^(DBUS_SESSION_BUS_ADDRESS|NICKEL_HOME|WIFI_MODULE|LANG|INTERFACE)=' "/proc/$(pidof -s nickel)/environ")
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# NOTE: Quoted variant, w/ the busybox RS quirk (c.f., https://unix.stackexchange.com/a/125146):
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#eval "$(awk -v 'RS="\0"' '/^(DBUS_SESSION_BUS_ADDRESS|NICKEL_HOME|WIFI_MODULE|LANG|INTERFACE)=/{gsub("\047", "\047\\\047\047"); print "export \047" $0 "\047"}' "/proc/$(pidof -s nickel)/environ")"
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fi
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# Flush disks, might help avoid trashing nickel's DB...
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sync
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# And we can now stop the full Kobo software stack
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# NOTE: We don't need to kill KFMon, it's smart enough not to allow running anything else while we're up
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# NOTE: We kill Nickel's master dhcpcd daemon on purpose,
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# as we want to be able to use our own per-if processes w/ custom args later on.
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# A SIGTERM does not break anything, it'll just prevent automatic lease renewal until the time
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# KOReader actually sets the if up itself (i.e., it'll do)...
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killall -q -TERM nickel hindenburg sickel fickel adobehost dhcpcd-dbus dhcpcd fmon
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# Wait for Nickel to die... (oh, procps with killall -w, how I miss you...)
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kill_timeout=0
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while pkill -0 nickel; do
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# Stop waiting after 4s
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if [ ${kill_timeout} -ge 15 ]; then
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break
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fi
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usleep 250000
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kill_timeout=$((kill_timeout + 1))
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done
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# Remove Nickel's FIFO to avoid udev & udhcpc scripts hanging on open() on it...
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rm -f /tmp/nickel-hardware-status
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# We don't need to grab input devices (unless MiniClock is running, in which case that neatly inhibits it while we run).
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if [ ! -d "/tmp/MiniClock" ]; then
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export KO_DONT_GRAB_INPUT="true"
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fi
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fi
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# check whether PLATFORM & PRODUCT have a value assigned by rcS
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if [ -z "${PRODUCT}" ]; then
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# shellcheck disable=SC2046
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export $(grep -s -e '^PRODUCT=' "/proc/$(pidof -s udevd)/environ")
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fi
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if [ -z "${PRODUCT}" ]; then
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PRODUCT="$(/bin/kobo_config.sh 2>/dev/null)"
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export PRODUCT
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fi
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# PLATFORM is used in koreader for the path to the Wi-Fi drivers (as well as when restarting nickel)
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if [ -z "${PLATFORM}" ]; then
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# shellcheck disable=SC2046
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export $(grep -s -e '^PLATFORM=' "/proc/$(pidof -s udevd)/environ")
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fi
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if [ -z "${PLATFORM}" ]; then
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PLATFORM="freescale"
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if dd if="/dev/mmcblk0" bs=512 skip=1024 count=1 | grep -q "HW CONFIG"; then
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CPU="$(ntx_hwconfig -s -p /dev/mmcblk0 CPU 2>/dev/null)"
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PLATFORM="${CPU}-ntx"
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fi
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if [ "${PLATFORM}" != "freescale" ] && [ ! -e "/etc/u-boot/${PLATFORM}/u-boot.mmc" ]; then
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PLATFORM="ntx508"
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fi
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export PLATFORM
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fi
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# Make sure we have a sane-ish INTERFACE env var set...
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if [ -z "${INTERFACE}" ]; then
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# That's what we used to hardcode anyway
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INTERFACE="eth0"
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export INTERFACE
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fi
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# We'll want to ensure Portrait rotation to allow us to use faster blitting codepaths @ 8bpp,
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# so remember the current one before fbdepth does its thing.
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IFS= read -r ORIG_FB_ROTA <"/sys/class/graphics/fb0/rotate"
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echo "Original fb rotation is set @ ${ORIG_FB_ROTA}" >>crash.log 2>&1
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# In the same vein, swap to 8bpp,
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# because 16bpp is the worst idea in the history of time, as RGB565 is generally a PITA without hardware blitting,
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# and 32bpp usually gains us nothing except a performance hit (we're not Qt5 with its QPainter constraints).
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# The reduced size & complexity should hopefully make things snappier,
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# (and hopefully prevent the JIT from going crazy on high-density screens...).
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# NOTE: Even though both pickel & Nickel appear to restore their preferred fb setup, we'll have to do it ourselves,
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# as they fail to flip the grayscale flag properly. Plus, we get to play nice with every launch method that way.
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# So, remember the current bitdepth, so we can restore it on exit.
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IFS= read -r ORIG_FB_BPP <"/sys/class/graphics/fb0/bits_per_pixel"
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echo "Original fb bitdepth is set @ ${ORIG_FB_BPP}bpp" >>crash.log 2>&1
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# Sanity check...
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case "${ORIG_FB_BPP}" in
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8) ;;
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16) ;;
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32) ;;
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*)
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# Uh oh? Don't do anything...
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unset ORIG_FB_BPP
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;;
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esac
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# The actual swap is done in a function, because we can disable it in the Developer settings, and we want to honor it on restart.
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ko_do_fbdepth() {
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# Check if the swap has been disabled...
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if grep -q '\["dev_startup_no_fbdepth"\] = true' 'settings.reader.lua' 2>/dev/null; then
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# Swap back to the original bitdepth (in case this was a restart)
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if [ -n "${ORIG_FB_BPP}" ]; then
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# Unless we're a Forma/Libra, don't even bother to swap rotation if the fb is @ 16bpp, because RGB565 is terrible anyways,
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# so there's no faster codepath to achieve, and running in Portrait @ 16bpp might actually be broken on some setups...
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if [ "${ORIG_FB_BPP}" -eq "16" ] && [ "${PRODUCT}" != "frost" ] && [ "${PRODUCT}" != "storm" ]; then
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echo "Making sure we're using the original fb bitdepth @ ${ORIG_FB_BPP}bpp & rotation @ ${ORIG_FB_ROTA}" >>crash.log 2>&1
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./fbdepth -d "${ORIG_FB_BPP}" -r "${ORIG_FB_ROTA}" >>crash.log 2>&1
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else
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echo "Making sure we're using the original fb bitdepth @ ${ORIG_FB_BPP}bpp, and that rotation is set to Portrait" >>crash.log 2>&1
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./fbdepth -d "${ORIG_FB_BPP}" -r -1 >>crash.log 2>&1
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fi
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fi
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else
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# Swap to 8bpp if things looke sane
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if [ -n "${ORIG_FB_BPP}" ]; then
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echo "Switching fb bitdepth to 8bpp & rotation to Portrait" >>crash.log 2>&1
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./fbdepth -d 8 -r -1 >>crash.log 2>&1
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fi
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fi
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}
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# Ensure we start with a valid nameserver in resolv.conf, otherwise we're stuck with broken name resolution (#6421, #6424).
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# Fun fact: this wouldn't be necessary if Kobo were using a non-prehistoric glibc... (it was fixed in glibc 2.26).
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ko_do_dns() {
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# If there aren't any servers listed, append CloudFlare's
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if ! grep -q '^nameserver' "/etc/resolv.conf"; then
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echo "# Added by KOReader because your setup is broken" >>"/etc/resolv.conf"
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echo "nameserver 1.1.1.1" >>"/etc/resolv.conf"
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fi
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}
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# Remount the SD card RW if it's inserted and currently RO
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if awk '$4~/(^|,)ro($|,)/' /proc/mounts | grep ' /mnt/sd '; then
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mount -o remount,rw /mnt/sd
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fi
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# we keep at most 500KB worth of crash log
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if [ -e crash.log ]; then
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tail -c 500000 crash.log >crash.log.new
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mv -f crash.log.new crash.log
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fi
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CRASH_COUNT=0
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CRASH_TS=0
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CRASH_PREV_TS=0
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# List of supported special return codes
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KO_RC_RESTART=85
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KO_RC_USBMS=86
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KO_RC_HALT=88
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# Because we *want* an initial fbdepth pass ;).
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RETURN_VALUE=${KO_RC_RESTART}
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while [ ${RETURN_VALUE} -ne 0 ]; do
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if [ ${RETURN_VALUE} -eq ${KO_RC_RESTART} ]; then
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# Do an update check now, so we can actually update KOReader via the "Restart KOReader" menu entry ;).
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ko_update_check
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# Do or double-check the fb depth switch, or restore original bitdepth if requested
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ko_do_fbdepth
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# Make sure we have a sane resolv.conf
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ko_do_dns
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fi
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./reader.lua "$@" >>crash.log 2>&1
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RETURN_VALUE=$?
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# Did we crash?
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if [ ${RETURN_VALUE} -ne 0 ] && [ ${RETURN_VALUE} -ne ${KO_RC_RESTART} ] && [ ${RETURN_VALUE} -ne ${KO_RC_USBMS} ] && [ ${RETURN_VALUE} -ne ${KO_RC_HALT} ]; then
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# Increment the crash counter
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CRASH_COUNT=$((CRASH_COUNT + 1))
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CRASH_TS=$(date +'%s')
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# Reset it to a first crash if it's been a while since our last crash...
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if [ $((CRASH_TS - CRASH_PREV_TS)) -ge 20 ]; then
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CRASH_COUNT=1
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fi
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# Check if the user requested to always abort on crash
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if grep -q '\["dev_abort_on_crash"\] = true' 'settings.reader.lua' 2>/dev/null; then
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ALWAYS_ABORT="true"
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# In which case, make sure we pause on *every* crash
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CRASH_COUNT=1
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else
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ALWAYS_ABORT="false"
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fi
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# Show a fancy bomb on screen
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viewWidth=600
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viewHeight=800
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FONTH=16
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eval "$(./fbink -e | tr ';' '\n' | grep -e viewWidth -e viewHeight -e FONTH | tr '\n' ';')"
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# Compute margins & sizes relative to the screen's resolution, so we end up with a similar layout, no matter the device.
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# Height @ ~56.7%, w/ a margin worth 1.5 lines
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bombHeight=$((viewHeight / 2 + viewHeight / 15))
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bombMargin=$((FONTH + FONTH / 2))
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# With a little notice at the top of the screen, on a big gray screen of death ;).
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./fbink -q -b -c -B GRAY9 -m -y 1 "Don't Panic! (Crash n°${CRASH_COUNT} -> ${RETURN_VALUE})"
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if [ ${CRASH_COUNT} -eq 1 ]; then
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# Warn that we're waiting on a tap to continue...
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./fbink -q -b -O -m -y 2 "Tap the screen to continue."
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fi
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# U+1F4A3, the hard way, because we can't use \u or \U escape sequences...
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# shellcheck disable=SC2039
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./fbink -q -b -O -m -t regular=./fonts/freefont/FreeSerif.ttf,px=${bombHeight},top=${bombMargin} -- $'\xf0\x9f\x92\xa3'
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# And then print the tail end of the log on the bottom of the screen...
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crashLog="$(tail -n 25 crash.log | sed -e 's/\t/ /g')"
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# The idea for the margins being to leave enough room for an fbink -Z bar, small horizontal margins, and a font size based on what 6pt looked like @ 265dpi
|
|
./fbink -q -b -O -t regular=./fonts/droid/DroidSansMono.ttf,top=$((viewHeight / 2 + FONTH * 2 + FONTH / 2)),left=$((viewWidth / 60)),right=$((viewWidth / 60)),px=$((viewHeight / 64)) -- "${crashLog}"
|
|
# So far, we hadn't triggered an actual screen refresh, do that now, to make sure everything is bundled in a single flashing refresh.
|
|
./fbink -q -f -s
|
|
# Cue a lemming's faceplant sound effect!
|
|
|
|
{
|
|
echo "!!!!"
|
|
echo "Uh oh, something went awry... (Crash n°${CRASH_COUNT}: $(date +'%x @ %X'))"
|
|
echo "Running FW $(cut -f3 -d',' /mnt/onboard/.kobo/version) on Linux $(uname -r) ($(uname -v))"
|
|
} >>crash.log 2>&1
|
|
if [ ${CRASH_COUNT} -lt 5 ] && [ "${ALWAYS_ABORT}" = "false" ]; then
|
|
echo "Attempting to restart KOReader . . ." >>crash.log 2>&1
|
|
echo "!!!!" >>crash.log 2>&1
|
|
fi
|
|
|
|
# Pause a bit if it's the first crash in a while, so that it actually has a chance of getting noticed ;).
|
|
if [ ${CRASH_COUNT} -eq 1 ]; then
|
|
# NOTE: We don't actually care about what read read, we're just using it as a fancy sleep ;).
|
|
# i.e., we pause either until the 15s timeout, or until the user touches the screen.
|
|
# shellcheck disable=SC2039
|
|
read -r -t 15 </dev/input/event1
|
|
fi
|
|
# Cycle the last crash timestamp
|
|
CRASH_PREV_TS=${CRASH_TS}
|
|
|
|
# But if we've crashed more than 5 consecutive times, exit, because we wouldn't want to be stuck in a loop...
|
|
# NOTE: No need to check for ALWAYS_ABORT, CRASH_COUNT will always be 1 when it's true ;).
|
|
if [ ${CRASH_COUNT} -ge 5 ]; then
|
|
echo "Too many consecutive crashes, aborting . . ." >>crash.log 2>&1
|
|
echo "!!!! ! !!!!" >>crash.log 2>&1
|
|
break
|
|
fi
|
|
|
|
# If the user requested to always abort on crash, do so.
|
|
if [ "${ALWAYS_ABORT}" = "true" ]; then
|
|
echo "Aborting . . ." >>crash.log 2>&1
|
|
echo "!!!! ! !!!!" >>crash.log 2>&1
|
|
break
|
|
fi
|
|
else
|
|
# Reset the crash counter if that was a sane exit/restart
|
|
CRASH_COUNT=0
|
|
fi
|
|
|
|
if [ ${RETURN_VALUE} -eq ${KO_RC_USBMS} ]; then
|
|
# User requested an USBMS session, setup the tool outside of onboard
|
|
USBMS_HOME="/mnt/usbms"
|
|
mkdir -p "${USBMS_HOME}"
|
|
# We're using a custom tmpfs in case /tmp is too small (mainly because we may need to import a large CJK font in there...)
|
|
if ! mount -t tmpfs tmpfs ${USBMS_HOME} -o defaults,size=32M,mode=1777,noatime; then
|
|
echo "Failed to create the USBMS tmpfs, restarting KOReader . . ." >>crash.log 2>&1
|
|
continue
|
|
fi
|
|
|
|
if ! ./tar xzf "./data/KoboUSBMS.tar.gz" -C "${USBMS_HOME}"; then
|
|
echo "Couldn't unpack KoboUSBMS, restarting KOReader . . ." >>crash.log 2>&1
|
|
if ! umount "${USBMS_HOME}"; then
|
|
echo "Couldn't unmount the USBMS tmpfs, shutting down in 30 sec!" >>crash.log 2>&1
|
|
sleep 30
|
|
poweroff -f
|
|
fi
|
|
rm -rf "${USBMS_HOME}"
|
|
continue
|
|
fi
|
|
|
|
# Then siphon KOReader's language for i18n...
|
|
if grep -q '\["language"\]' 'settings.reader.lua' 2>/dev/null; then
|
|
usbms_lang="$(grep '\["language"\]' 'settings.reader.lua' | cut -d'"' -f4)"
|
|
else
|
|
usbms_lang="C"
|
|
fi
|
|
|
|
# If the language is CJK, copy the CJK font, too...
|
|
case "${usbms_lang}" in
|
|
ja* | ko* | zh*)
|
|
cp -pf "${KOREADER_DIR}/fonts/noto/NotoSansCJKsc-Regular.otf" "${USBMS_HOME}/resources/fonts/NotoSansCJKsc-Regular.otf"
|
|
;;
|
|
esac
|
|
|
|
# Here we go!
|
|
if ! cd "${USBMS_HOME}"; then
|
|
echo "Couldn't chdir to ${USBMS_HOME}, restarting KOReader . . ." >>crash.log 2>&1
|
|
if ! umount "${USBMS_HOME}"; then
|
|
echo "Couldn't unmount the USBMS tmpfs, shutting down in 30 sec!" >>crash.log 2>&1
|
|
sleep 30
|
|
poweroff -f
|
|
fi
|
|
rm -rf "${USBMS_HOME}"
|
|
continue
|
|
fi
|
|
env LANGUAGE="${usbms_lang}" ./usbms
|
|
fail=$?
|
|
if [ ${fail} -ne 0 ]; then
|
|
# NOTE: Early init failures return KO_RC_USBMS,
|
|
# to allow simply restarting KOReader when we know the integrity of onboard hasn't been compromised...
|
|
if [ ${fail} -eq ${KO_RC_USBMS} ]; then
|
|
echo "KoboUSBMS failed to setup an USBMS session, restarting KOReader . . ." >>"${KOREADER_DIR}/crash.log" 2>&1
|
|
else
|
|
# Hu, oh, something went wrong... Stay around for 90s (enough time to look at the syslog over Wi-Fi), and then shutdown.
|
|
logger -p "DAEMON.CRIT" -t "koreader.sh[$$]" "USBMS session failed (${fail}), shutting down in 90 sec!"
|
|
sleep 90
|
|
poweroff -f
|
|
fi
|
|
fi
|
|
|
|
# Jump back to the right place, and keep on trucking
|
|
if ! cd "${KOREADER_DIR}"; then
|
|
logger -p "DAEMON.CRIT" -t "koreader.sh[$$]" "Couldn't chdir back to KOREADER_DIR (${KOREADER_DIR}), shutting down in 30 sec!"
|
|
sleep 30
|
|
poweroff -f
|
|
fi
|
|
|
|
# Tear down the tmpfs...
|
|
if ! umount "${USBMS_HOME}"; then
|
|
logger -p "DAEMON.CRIT" -t "koreader.sh[$$]" "Couldn't unmount the USBMS tmpfs, shutting down in 30 sec!"
|
|
sleep 30
|
|
poweroff -f
|
|
fi
|
|
rm -rf "${USBMS_HOME}"
|
|
fi
|
|
|
|
# Did we request a reboot/shutdown?
|
|
if [ ${RETURN_VALUE} -eq ${KO_RC_HALT} ]; then
|
|
break
|
|
fi
|
|
done
|
|
|
|
# Restore original fb bitdepth if need be...
|
|
# Since we also (almost) always enforce Portrait, we also have to restore the original rotation no matter what ;).
|
|
if [ -n "${ORIG_FB_BPP}" ]; then
|
|
echo "Restoring original fb bitdepth @ ${ORIG_FB_BPP}bpp & rotation @ ${ORIG_FB_ROTA}" >>crash.log 2>&1
|
|
./fbdepth -d "${ORIG_FB_BPP}" -r "${ORIG_FB_ROTA}" >>crash.log 2>&1
|
|
else
|
|
echo "Restoring original fb rotation @ ${ORIG_FB_ROTA}" >>crash.log 2>&1
|
|
./fbdepth -r "${ORIG_FB_ROTA}" >>crash.log 2>&1
|
|
fi
|
|
|
|
# Restore original CPUFreq governor if need be...
|
|
if [ -n "${ORIG_CPUFREQ_GOV}" ]; then
|
|
echo "${ORIG_CPUFREQ_GOV}" >"/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor"
|
|
|
|
# NOTE: Leave DVFS alone, it'll be handled by Nickel if necessary.
|
|
fi
|
|
|
|
# If we requested a reboot/shutdown, no need to bother with this...
|
|
if [ ${RETURN_VALUE} -ne ${KO_RC_HALT} ]; then
|
|
if [ "${VIA_NICKEL}" = "true" ]; then
|
|
if [ "${FROM_KFMON}" = "true" ]; then
|
|
# KFMon is the only launcher that has a toggle to either reboot or restart Nickel on exit
|
|
if grep -q "reboot_on_exit=false" "/mnt/onboard/.adds/kfmon/config/koreader.ini" 2>/dev/null; then
|
|
# KFMon asked us to restart nickel on exit (default since KFMon 0.9.5)
|
|
./nickel.sh &
|
|
else
|
|
# KFMon asked us to restart the device on exit
|
|
/sbin/reboot
|
|
fi
|
|
else
|
|
# Otherwise, just restart Nickel
|
|
./nickel.sh &
|
|
fi
|
|
else
|
|
# if we were called from advboot then we must reboot to go to the menu
|
|
# NOTE: This is actually achieved by checking if KSM or a KSM-related script is running:
|
|
# This might lead to false-positives if you use neither KSM nor advboot to launch KOReader *without nickel running*.
|
|
if ! pgrep -f kbmenu >/dev/null 2>&1; then
|
|
/sbin/reboot
|
|
fi
|
|
fi
|
|
fi
|
|
|
|
# Wipe the clones on exit
|
|
rm -f "/tmp/koreader.sh"
|
|
|
|
exit ${RETURN_VALUE}
|