From 38369d0b7d3155f685f0f37a89e05a42e2b91923 Mon Sep 17 00:00:00 2001 From: Pawit Pornkitprasan Date: Fri, 12 Aug 2011 20:38:48 +0700 Subject: Low Power Mode (1/7) - Requires updated kernel - Requires updated vendor_samsung Change-Id: I5ee00486edeeedaf3402b68d059cac94473384be --- lpm.rc | 282 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 282 insertions(+) create mode 100644 lpm.rc (limited to 'lpm.rc') diff --git a/lpm.rc b/lpm.rc new file mode 100644 index 0000000..6878ecd --- /dev/null +++ b/lpm.rc @@ -0,0 +1,282 @@ +on early-init + start ueventd + +on init + +sysclktz 0 + +loglevel 9 + +# setup the global environment + export PATH /sbin:/vendor/bin:/system/sbin:/system/bin:/system/xbin + export LD_LIBRARY_PATH /vendor/lib:/system/lib + export ANDROID_BOOTLOGO 1 + export ANDROID_ROOT /system + export ANDROID_ASSETS /system/app + export ANDROID_DATA /data + export EXTERNAL_STORAGE /mnt/sdcard + export PHONE_STORAGE /mnt/emmc + export ASEC_MOUNTPOINT /mnt/asec + export LOOP_MOUNTPOINT /mnt/obb + + symlink /system/etc /etc + +# Backward compatibility + symlink /sys/kernel/debug /d + +# Right now vendor lives on the same filesystem as system, +# but someday that may change. + symlink /system/vendor /vendor + +# create temp folder for recovery + mkdir /tmp + +# create mountpoints + mkdir /sdcard 0000 system system + mkdir /emmc 0000 system system + +# for emergencyboot + symlink /sdcard /mnt/sdcard + +# Create cgroup mount point for cpu accounting + mkdir /acct + mount cgroup none /acct cpuacct + mkdir /acct/uid + mkdir /system + mkdir /data 0771 system system + mkdir /cache 0770 system cache + mkdir /config 0500 root root + mkdir /efs + + # Directory for putting things only root should see. + mkdir /mnt/secure 0700 root root + + # Directory for staging bindmounts + mkdir /mnt/secure/staging 0700 root root + + # Directory-target for where the secure container + # imagefile directory will be bind-mounted + mkdir /mnt/secure/asec 0700 root root + + # Secure container public mount points. + mkdir /mnt/asec 0700 root system + mount tmpfs tmpfs /mnt/asec mode=0755,gid=1000 + + # Filesystem image public mount points. + mkdir /mnt/obb 0700 root system + mount tmpfs tmpfs /mnt/obb mode=0755,gid=1000 + + write /proc/sys/kernel/panic_on_oops 1 + write /proc/sys/kernel/hung_task_timeout_secs 0 + write /proc/cpu/alignment 4 + write /proc/sys/kernel/sched_latency_ns 10000000 + write /proc/sys/kernel/sched_wakeup_granularity_ns 2000000 + write /proc/sys/kernel/sched_compat_yield 1 + write /proc/sys/kernel/sched_child_runs_first 0 + +# Create cgroup mount points for process groups + mkdir /dev/cpuctl + mount cgroup none /dev/cpuctl cpu + chown system system /dev/cpuctl + chown system system /dev/cpuctl/tasks + chmod 0777 /dev/cpuctl/tasks + write /dev/cpuctl/cpu.shares 1024 + + mkdir /dev/cpuctl/fg_boost + chown system system /dev/cpuctl/fg_boost/tasks + chmod 0777 /dev/cpuctl/fg_boost/tasks + write /dev/cpuctl/fg_boost/cpu.shares 1024 + + mkdir /dev/cpuctl/bg_non_interactive + chown system system /dev/cpuctl/bg_non_interactive/tasks + chmod 0777 /dev/cpuctl/bg_non_interactive/tasks + # 5.0 % + write /dev/cpuctl/bg_non_interactive/cpu.shares 52 + +on fs +# mount mtd partitions + # Mount /system rw first to give the filesystem a chance to save a checkpoint + mount yaffs2 mtd@system /system + #mount yaffs2 mtd@cache /cache + #mount ext4 /dev/block/mmcblk0p2 /data nosuid nodev noatime nodiratime noauto_da_alloc + #mount yaffs2 mtd@datadata /datadata + +on post-fs + # once everything is setup, no need to modify / + #mount rootfs rootfs / ro remount + + # We chown/chmod /data again so because mount is run as root + defaults + chown system system /data + chmod 0771 /data + + # Create dump dir and collect dumps. + # Do this before we mount cache so eventually we can use cache for + # storing dumps on platforms which do not have a dedicated dump partition. + + mkdir /data/dontpanic + chown root log /data/dontpanic + chmod 0750 /data/dontpanic + + # Collect apanic data, free resources and re-arm trigger + copy /proc/apanic_console /data/dontpanic/apanic_console + chown root log /data/dontpanic/apanic_console + chmod 0640 /data/dontpanic/apanic_console + + copy /proc/apanic_threads /data/dontpanic/apanic_threads + chown root log /data/dontpanic/apanic_threads + chmod 0640 /data/dontpanic/apanic_threads + + write /proc/apanic_console 1 + + # Same reason as /data above + chown system cache /cache + chmod 0770 /cache + + # This may have been created by the recovery system with odd permissions + chown system cache /cache/recovery + chmod 0770 /cache/recovery + + #change permissions on vmallocinfo so we can grab it from bugreports + chown root log /proc/vmallocinfo + chmod 0440 /proc/vmallocinfo + + #change permissions on kmsg & sysrq-trigger so bugreports can grab kthread stacks + chown root system /proc/kmsg + chmod 0440 /proc/kmsg + chown root system /proc/sysrq-trigger + chmod 0220 /proc/sysrq-trigger + +# create basic filesystem structure + mkdir /data/misc 01771 system misc + mkdir /data/misc/bluetoothd 0770 bluetooth bluetooth + mkdir /data/misc/bluetooth 0770 system system + mkdir /data/misc/keystore 0700 keystore keystore + mkdir /data/misc/vpn 0770 system system + mkdir /data/misc/systemkeys 0700 system system + mkdir /data/misc/vpn/profiles 0770 system system + # give system access to wpa_supplicant.conf for backup and restore + mkdir /data/misc/wifi 0770 wifi wifi + chmod 0770 /data/misc/wifi + chmod 0660 /data/misc/wifi/wpa_supplicant.conf + mkdir /data/local 0771 shell shell + mkdir /data/local/tmp 0771 shell shell + mkdir /data/data 0771 system system + mkdir /data/app-private 0771 system system + mkdir /data/app 0771 system system + mkdir /data/property 0700 root root + + # create dalvik-cache and double-check the perms + mkdir /data/dalvik-cache 0771 system system + chown system system /data/dalvik-cache + chmod 0771 /data/dalvik-cache + + # create the lost+found directories, so as to enforce our permissions + mkdir /data/lost+found 0770 + mkdir /cache/lost+found 0770 + + # double check the perms, in case lost+found already exists, and set owner + chown root root /data/lost+found + chmod 0770 /data/lost+found + chown root root /cache/lost+found + chmod 0770 /cache/lost+found + +on boot +# basic network init + ifup lo + hostname localhost + domainname localdomain + +# set RLIMIT_NICE to allow priorities from 19 to -20 + setrlimit 13 40 40 + + # Set init its forked children's oom_adj. + write /proc/1/oom_adj -16 + + # Tweak background writeout + write /proc/sys/vm/dirty_expire_centisecs 200 + write /proc/sys/vm/dirty_background_ratio 5 + + # Permissions for System Server and daemons. + chown radio system /sys/android_power/state + chown radio system /sys/android_power/request_state + chown radio system /sys/android_power/acquire_full_wake_lock + chown radio system /sys/android_power/acquire_partial_wake_lock + chown radio system /sys/android_power/release_wake_lock + chown radio system /sys/power/state + chown radio system /sys/power/wake_lock + chown radio system /sys/power/wake_unlock + chmod 0660 /sys/power/state + chmod 0660 /sys/power/wake_lock + chmod 0660 /sys/power/wake_unlock + chown system system /sys/class/timed_output/vibrator/enable + chown system system /sys/class/leds/keyboard-backlight/brightness + chown system system /sys/class/leds/lcd-backlight/brightness + chown system system /sys/class/leds/button-backlight/brightness + chown system system /sys/class/leds/jogball-backlight/brightness + chown system system /sys/class/leds/red/brightness + chown system system /sys/class/leds/green/brightness + chown system system /sys/class/leds/blue/brightness + chown system system /sys/class/leds/red/device/grpfreq + chown system system /sys/class/leds/red/device/grppwm + chown system system /sys/class/leds/red/device/blink + chown system system /sys/class/leds/red/brightness + chown system system /sys/class/leds/green/brightness + chown system system /sys/class/leds/blue/brightness + chown system system /sys/class/leds/red/device/grpfreq + chown system system /sys/class/leds/red/device/grppwm + chown system system /sys/class/leds/red/device/blink + chown system system /sys/class/timed_output/vibrator/enable + chown system system /sys/module/sco/parameters/disable_esco + chown system system /sys/kernel/ipv4/tcp_wmem_min + chown system system /sys/kernel/ipv4/tcp_wmem_def + chown system system /sys/kernel/ipv4/tcp_wmem_max + chown system system /sys/kernel/ipv4/tcp_rmem_min + chown system system /sys/kernel/ipv4/tcp_rmem_def + chown system system /sys/kernel/ipv4/tcp_rmem_max + chown root radio /proc/cmdline + +# Define TCP buffer sizes for various networks +# ReadMin, ReadInitial, ReadMax, WriteMin, WriteInitial, WriteMax, + setprop net.tcp.buffersize.default 4096,87380,110208,4096,16384,110208 + setprop net.tcp.buffersize.wifi 4095,87380,110208,4096,16384,110208 + setprop net.tcp.buffersize.umts 4094,87380,110208,4096,16384,110208 + setprop net.tcp.buffersize.edge 4093,26280,35040,4096,16384,35040 + setprop net.tcp.buffersize.gprs 4092,8760,11680,4096,8760,11680 + + class_start default + +## Daemon processes to be run by init. +## +service ueventd /sbin/ueventd + critical + +service console /sbin/sh + console + disabled + user shell + group log + +on property:ro.secure=0 + start console + +service playlpm /system/bin/playlpm + user root + oneshot + +service lpmkey /system/bin/charging_mode + user root + oneshot + +# adbd is controlled by the persist.service.adb.enable system property +service adbd /sbin/adbd + disabled + +# adbd on at boot in emulator +on property:ro.kernel.qemu=1 + start adbd + +on property:persist.service.adb.enable=1 + start adbd + +on property:persist.service.adb.enable=0 + stop adbd -- cgit v1.1