mirror of
https://github.com/commaai/agnos-builder.git
synced 2026-07-12 18:32:06 +08:00
Adeeb Shihadeh
326 lines
9.4 KiB
Bash
Executable File
326 lines
9.4 KiB
Bash
Executable File
#!/bin/bash
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PATH=/usr/comma/shims:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
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export PATH
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BOOTSH_RUN=/run/bootsh
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log() {
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local ts="?"
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if [ -r /proc/uptime ]; then
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ts="$(cut -d' ' -f1 /proc/uptime)"
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fi
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printf 'boot.sh[%d]: %s %s\n' "$$" "$ts" "$*" >/dev/console 2>/dev/null || true
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printf '<6>boot.sh[%d]: %s %s\n' "$$" "$ts" "$*" >/dev/kmsg 2>/dev/null || true
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}
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mount_one() {
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local type="$1"
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local what="$2"
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local where="$3"
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shift 3
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mkdir -p "$where"
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mountpoint -q "$where" && return 0
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mount -t "$type" "$@" "$what" "$where" 2>/dev/kmsg
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}
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wait_block() {
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local dev="$1"
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local i
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for i in $(seq 1 150); do
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[ -b "$dev" ] && return 0
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sleep 0.01
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done
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log "timeout waiting for $dev"
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return 1
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}
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mount_block() {
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local what="$1"
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local where="$2"
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local type="$3"
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local opts="$4"
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wait_block "$what" || return 1
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mkdir -p "$where"
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mountpoint -q "$where" && return 0
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log "mount $where"
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mount -t "$type" -o "$opts" "$what" "$where" 2>/dev/kmsg
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}
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boost_early() {
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echo performance >/sys/devices/system/cpu/cpufreq/policy0/scaling_governor 2>/dev/null || true
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echo performance >/sys/devices/system/cpu/cpufreq/policy4/scaling_governor 2>/dev/null || true
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echo 2649600 >/sys/devices/system/cpu/cpufreq/policy0/scaling_max_freq 2>/dev/null || true
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echo 2649600 >/sys/devices/system/cpu/cpufreq/policy4/scaling_max_freq 2>/dev/null || true
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echo 2649600 >/sys/devices/system/cpu/cpufreq/policy0/scaling_min_freq 2>/dev/null || true
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echo 2649600 >/sys/devices/system/cpu/cpufreq/policy4/scaling_min_freq 2>/dev/null || true
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}
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set_graphics_perms() {
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chgrp gpu /dev/adsprpc-smd /dev/ion /dev/kgsl-3d0 /dev/dri/* 2>/dev/null || true
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chmod 660 /dev/adsprpc-smd /dev/kgsl-3d0 /dev/dri/* 2>/dev/null || true
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chmod 664 /dev/ion 2>/dev/null || true
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}
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set_device_perms() {
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set_graphics_perms
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chgrp gpio /dev/i2c-* 2>/dev/null || true
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chmod 660 /dev/i2c-* 2>/dev/null || true
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chmod 666 /dev/spidev* 2>/dev/null || true
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chmod 666 /dev/input/* 2>/dev/null || true
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chgrp disk /dev/sd* 2>/dev/null || true
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chmod 660 /dev/sd* 2>/dev/null || true
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chgrp gpio /sys/class/gpio/gpio*/direction /sys/class/gpio/gpio*/value 2>/dev/null || true
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chmod 660 /sys/class/gpio/gpio*/direction /sys/class/gpio/gpio*/value 2>/dev/null || true
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chgrp video /sys/class/backlight/panel0-backlight/brightness \
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/sys/class/backlight/panel0-backlight/bl_power \
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/sys/devices/platform/soc/soc:qcom,dsi-display@0/max_brightness_percent 2>/dev/null || true
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chmod g+w /sys/class/backlight/panel0-backlight/brightness \
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/sys/class/backlight/panel0-backlight/bl_power \
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/sys/devices/platform/soc/soc:qcom,dsi-display@0/max_brightness_percent 2>/dev/null || true
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}
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permission_loop() {
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local i
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for i in $(seq 1 200); do
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set_device_perms
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sleep 0.025
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done
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}
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mount_data() {
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log "mount /data"
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mkdir -p /data
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mountpoint -q /data && return 0
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wait_block /dev/sda12 || return 1
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mount -t ext4 -o discard,noatime,nodiratime,nosuid,nodev /dev/sda12 /data 2>/dev/kmsg
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}
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data_late_setup() {
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mkdir -p /data/etc/netplan /data/etc/NetworkManager/system-connections /data/ssh /data/tmp /data/media
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chown comma:comma /data /data/media /data/ssh /data/tmp 2>/dev/null || true
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touch /data/etc/timezone /data/etc/localtime 2>/dev/null || true
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if [ ! -d /data/persist ] && [ -d /system/persist ]; then
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cp -a /system/persist /data/ 2>/dev/null || true
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fi
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}
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mount_early_state() {
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mount_one tmpfs tmpfs /var -o rw,nosuid,nodev,size=128M,mode=755 || true
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mount_one tmpfs tmpfs /tmp -o rw,nosuid,nodev,size=150M,mode=1777 || true
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mount_one tmpfs tmpfs /run -o nosuid,nodev,mode=755,size=714M,nr_inodes=819200 || true
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mount_one tmpfs tmpfs /rwtmp -o rw,nosuid,nodev,size=100M,mode=1777 || true
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mkdir -p "$BOOTSH_RUN" /var/tmp/xdg /var/log /run/sudo /run/user/1000 /rwtmp/home_work /rwtmp/home_upper
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chmod 1777 /var/tmp
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chown comma:comma /var/tmp/xdg /run/user/1000 2>/dev/null || true
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chmod 700 /run/user/1000 2>/dev/null || true
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mount_one tmpfs tmpfs /var/log -o rw,nosuid,nodev,size=128M,mode=755 || true
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systemd-tmpfiles --create /usr/comma/tmpfiles.conf >/tmp/bootsh-tmpfiles.log 2>&1 || true
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mountpoint -q /home || mount -t overlay overlay \
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-o lowerdir=/usr/default/home,upperdir=/rwtmp/home_upper,workdir=/rwtmp/home_work \
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/home 2>/dev/kmsg || true
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}
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mount_core() {
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mount_one proc proc /proc || true
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mount_one sysfs sysfs /sys || true
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mount_one devtmpfs devtmpfs /dev -o mode=755 || true
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mkdir -p /dev/pts /dev/shm /sys/fs/cgroup /sys/fs/pstore /sys/fs/bpf /sys/kernel/debug /sys/kernel/tracing /sys/kernel/config
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mount_one devpts devpts /dev/pts -o gid=5,mode=620,ptmxmode=000 || true
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mount_one tmpfs tmpfs /dev/shm -o nosuid,nodev,size=1800M || true
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}
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mount_firmware() {
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mount_block /dev/sde4 /firmware vfat ro || true
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mount_block /dev/sde9 /dsp ext4 ro || true
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log "firmware mounts done"
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}
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mount_deferred() {
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mount_one tmpfs tmpfs /run/lock -o nosuid,nodev,noexec,size=5M || true
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mount_one cgroup2 cgroup2 /sys/fs/cgroup -o nosuid,nodev,noexec || true
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mount_one pstore pstore /sys/fs/pstore -o nosuid,nodev,noexec || true
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mount_one bpf bpf /sys/fs/bpf -o nosuid,nodev,noexec || true
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mount_one debugfs debugfs /sys/kernel/debug -o nosuid,nodev,noexec || true
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mount_one tracefs tracefs /sys/kernel/tracing -o nosuid,nodev,noexec || true
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mount_one configfs configfs /sys/kernel/config || true
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ln -sf /sys/kernel/tracing /sys/kernel/debug/tracing 2>/dev/null || true
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mount_firmware
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mount_block /dev/sda2 /persist squashfs ro,nosuid,nodev,noexec || true
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mount_block /dev/sda10 /systemrw ext4 relatime,data=ordered,noauto_da_alloc,discard,noexec,nodev || true
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mount_block /dev/sda11 /cache ext4 relatime,data=ordered,noauto_da_alloc,discard,noexec,nodev,nosuid || true
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chown -R comma:comma /cache 2>/dev/null || true
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log "deferred mounts done"
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}
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setup_input_links() {
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local event i name
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for i in $(seq 1 250); do
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for event in /sys/class/input/event*; do
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[ -r "$event/device/name" ] || continue
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name="$(cat "$event/device/name" 2>/dev/null || true)"
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if [ "$name" = "fts_ts" ]; then
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mkdir -p /dev/input/by-path
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ln -sf "../$(basename "$event")" /dev/input/by-path/platform-894000.i2c-event
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log "input link ready"
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return 0
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fi
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done
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sleep 0.02
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done
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log "timeout waiting for touch input"
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}
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setup_gpios() {
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local p i pins
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pins="30 49 134 41 50 116 124 34 33 32 52 1264"
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for p in $pins; do
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if [ "$p" = "41" ] && grep -q "comma tici" /sys/firmware/devicetree/base/model 2>/dev/null; then
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continue
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fi
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[ -d "/sys/class/gpio/gpio$p" ] || echo "$p" >/sys/class/gpio/export 2>/dev/null || true
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done
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for p in $pins; do
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if [ "$p" = "41" ] && grep -q "comma tici" /sys/firmware/devicetree/base/model 2>/dev/null; then
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continue
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fi
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for i in $(seq 1 20); do
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[ -d "/sys/class/gpio/gpio$p" ] && break
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sleep 0.005
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done
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done
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echo out >/sys/class/gpio/gpio30/direction 2>/dev/null || true
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echo 1 >/sys/class/gpio/gpio30/value 2>/dev/null || true
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set_device_perms
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touch "$BOOTSH_RUN/gpio-ready"
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log "gpio ready"
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}
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make_bootdevice_links() {
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local dev i key part uevent value
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mkdir -p /dev/block/bootdevice/by-name /dev/disk/by-partlabel
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for i in $(seq 1 150); do
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for uevent in /sys/class/block/sd*[0-9]*/uevent; do
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[ -e "$uevent" ] || continue
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dev="${uevent#/sys/class/block/}"
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dev="${dev%/uevent}"
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part=""
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while IFS='=' read -r key value; do
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if [ "$key" = "PARTNAME" ]; then
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part="$value"
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break
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fi
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done <"$uevent"
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if [ -n "$part" ]; then
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ln -sf "/dev/$dev" "/dev/block/bootdevice/by-name/$part"
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ln -sf "/dev/$dev" "/dev/disk/by-partlabel/$part"
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fi
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done
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[ -e /dev/block/bootdevice/by-name/modemst1 ] && break
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sleep 0.02
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done
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log "bootdevice links ready"
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}
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qcom_early() {
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local f
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for f in /sys/bus/msm_subsys/devices/subsys*/restart_level; do
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[ -e "$f" ] && echo related >"$f" 2>/dev/null || true
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done
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boost_early
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[ -x /usr/bin/irsc_util ] && /usr/bin/irsc_util /etc/sec_config >/tmp/irsc_util.log 2>&1 || true
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[ -e /sys/kernel/boot_cdsp/boot ] && echo 1 >/sys/kernel/boot_cdsp/boot 2>/dev/null || true
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[ -e /dev/ipa ] && echo 1 >/dev/ipa 2>/dev/null || true
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log "qcom early done"
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}
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start_magic() {
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log "start magic"
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/usr/comma/start-magic.sh >/tmp/magic.log 2>&1 &
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touch "$BOOTSH_RUN/magic-started"
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}
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start_comma() {
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log "start comma"
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/usr/comma/start-comma.sh >/tmp/comma-start.log 2>&1
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log "comma launched"
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}
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start_sound() {
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log "start sound"
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/usr/comma/sound/start-sound.sh --boot >/tmp/sound.log 2>&1 &
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}
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handoff_systemd() {
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log "exec systemd"
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exec /usr/lib/systemd/systemd
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log "systemd exec failed; staying in pid1 reap loop"
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while true; do
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wait -n || true
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set_device_perms
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sleep 0.25
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done
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}
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log "pid1 start"
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mount_core
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boost_early
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mount_data &
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data_mount_pid=$!
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mount_early_state
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permission_loop &
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setup_gpios &
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gpio_pid=$!
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setup_input_links &
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start_magic
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wait "$data_mount_pid" || true
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data_late_setup
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touch "$BOOTSH_RUN/data-ready"
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start_comma
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mount_deferred &
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mount_deferred_pid=$!
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qcom_early &
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qcom_early_pid=$!
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make_bootdevice_links &
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bootdevice_pid=$!
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wait "$mount_deferred_pid" || true
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touch "$BOOTSH_RUN/fs-setup-done"
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start_sound
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wait "$qcom_early_pid" || true
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wait "$bootdevice_pid" || true
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wait "$gpio_pid" || true
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set_device_perms
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log "boot path done"
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handoff_systemd
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