diff --git a/data/nickel.sh b/data/nickel.sh new file mode 100644 index 0000000..2dae3d1 --- /dev/null +++ b/data/nickel.sh @@ -0,0 +1,102 @@ +#!/bin/sh +# script from koreader, licenced under AGPL-v3 +PATH="/sbin:/bin:/usr/sbin:/usr/bin:/usr/lib:" + +# We don't need to duplicate any of the env setup from rcS, since we will only ever run this to *restart* nickel, and not bootstrap it. +# Meaning we've already got most of the necessary env from nickel itself via both our launcher (fmon/KFMon) and our own startup script. +# NOTE: LD_LIBRARY_PATH is the only late export from rcS we don't siphon in koreader.sh, for obvious reasons ;). +export LD_LIBRARY_PATH="/usr/local/Kobo" + +# Reset PWD, and clear up our own custom stuff from the env while we're there, otherwise, USBMS may become very wonky on newer FW... +# shellcheck disable=SC2164 +cd / +unset OLDPWD +unset LC_ALL TESSDATA_PREFIX STARDICT_DATA_DIR EXT_FONT_DIR +unset KOREADER_DIR KO_DONT_GRAB_INPUT + +# Ensures fmon will restart. Note that we don't have to worry about reaping this, nickel kills on-animator.sh on start. +( + if [ "${PLATFORM}" = "freescale" ] || [ "${PLATFORM}" = "mx50-ntx" ] || [ "${PLATFORM}" = "mx6sl-ntx" ]; then + usleep 400000 + fi + /etc/init.d/on-animator.sh +) & + +# Make sure we kill the Wi-Fi first, because nickel apparently doesn't like it if it's up... (cf. #1520) +# NOTE: That check is possibly wrong on PLATFORM == freescale (because I don't know if the sdio_wifi_pwr module exists there), but we don't terribly care about that. +if grep -q "sdio_wifi_pwr" "/proc/modules"; then + killall -q -TERM restore-wifi-async.sh enable-wifi.sh obtain-ip.sh + cp -a "/etc/resolv.conf" "/tmp/resolv.ko" + old_hash="$(md5sum "/etc/resolv.conf" | cut -f1 -d' ')" + if [ -x "/sbin/dhcpcd" ]; then + env -u LD_LIBRARY_PATH dhcpcd -d -k "${INTERFACE}" + killall -q -TERM udhcpc default.script + else + killall -q -TERM udhcpc default.script dhcpcd + fi + # NOTE: dhcpcd -k waits for the signalled process to die, but busybox's killall doesn't have a -w, --wait flag, + # so we have to wait for udhcpc to die ourselves... + # NOTE: But if all is well, there *isn't* any udhcpc process or script left to begin with... + kill_timeout=0 + while pkill -0 udhcpc; do + # Stop waiting after 5s + if [ ${kill_timeout} -ge 20 ]; then + break + fi + usleep 250000 + kill_timeout=$((kill_timeout + 1)) + done + + new_hash="$(md5sum "/etc/resolv.conf" | cut -f1 -d' ')" + # Restore our network-specific resolv.conf if the DHCP client wiped it when releasing the lease... + if [ "${new_hash}" != "${old_hash}" ]; then + mv -f "/tmp/resolv.ko" "/etc/resolv.conf" + else + rm -f "/tmp/resolv.ko" + fi + wpa_cli terminate + [ "${WIFI_MODULE}" != "8189fs" ] && [ "${WIFI_MODULE}" != "8192es" ] && wlarm_le -i "${INTERFACE}" down + ifconfig "${INTERFACE}" down + # NOTE: Kobo's busybox build is weird. rmmod appears to be modprobe in disguise, defaulting to the -r flag... + # But since there's currently no modules.dep file being shipped, nor do they include the depmod applet, + # go with what the FW is doing, which is rmmod. + # c.f., #2394? + usleep 250000 + rmmod "${WIFI_MODULE}" + + if [ -n "${CPUFREQ_DVFS}" ]; then + echo "0" >"/sys/devices/platform/mxc_dvfs_core.0/enable" + # Leave Nickel in its usual state, don't try to use conservative + echo "userspace" >"/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor" + cat "/sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq" >"/sys/devices/system/cpu/cpu0/cpufreq/scaling_setspeed" + fi + usleep 250000 + rmmod sdio_wifi_pwr +fi + +unset CPUFREQ_DVFS CPUFREQ_CONSERVATIVE + +# Recreate Nickel's FIFO ourselves, like rcS does, because udev *will* write to it! +# Plus, we actually *do* want the stuff udev writes in there to be processed by Nickel, anyway. +rm -f "/tmp/nickel-hardware-status" +mkfifo "/tmp/nickel-hardware-status" + +# Flush buffers to disk, who knows. +sync + +# Handle the sdcard: +# We need to unmount it ourselves, or Nickel wigs out and shows an "unrecognized FS" popup until the next fake sd add event. +# The following udev trigger should then ensure there's a single sd add event enqueued in the FIFO for it to process, +# ensuring it gets sanely detected and remounted RO. +if [ -e "/dev/mmcblk1p1" ]; then + umount /mnt/sd +fi + +# And finally, simply restart nickel. +# We don't care about horribly legacy stuff, because if people switch between nickel and KOReader in the first place, I assume they're using a decently recent enough FW version. +# Last tested on an H2O & a Forma running FW 4.7.x - 4.25.x +/usr/local/Kobo/hindenburg & +LIBC_FATAL_STDERR_=1 /usr/local/Kobo/nickel -platform kobo -skipFontLoad & +[ "${PLATFORM}" != "freescale" ] && udevadm trigger & + +return 0 diff --git a/data/run.sh b/data/run.sh index a8b721e..fb1e9f8 100644 --- a/data/run.sh +++ b/data/run.sh @@ -3,4 +3,4 @@ export DBUS_SESSION_BUS_ADDRESS NICKEL_HOME WIFI_MODULE LANG WIFI_MODULE_PATH IN sync killall -TERM nickel hindenburg sickel fickel 2>/dev/null /mnt/onboard/.adds/gemini/kobo-gemini -reboot # TODO investigate better options \ No newline at end of file +exec /mnt/onboard/.adds/gemini/nickel.sh \ No newline at end of file