8 # setup the global environment
9 export PATH /sbin:/system/sbin:/system/bin:/system/xbin
10 export LD_LIBRARY_PATH /system/lib
11 export ANDROID_BOOTLOGO 1
12 export ANDROID_ROOT /system
13 export ANDROID_ASSETS /system/app
14 export ANDROID_DATA /data
15 export EXTERNAL_STORAGE /sdcard
16 export BOOTCLASSPATH /system/framework/core.jar:/system/framework/ext.jar:/system/framework/framework.jar:/system/framework/android.policy.jar:/system/framework/services.jar
18 # Backward compatibility
19 symlink /system/etc /etc
21 # create mountpoints and mount tmpfs on sqlite_stmt_journals and debugfs on d
23 mkdir /sdcard 0777 system system
25 mkdir /data 0771 system system
26 mkdir /cache 0770 system cache
27 mkdir /sqlite_stmt_journals 01777 root root
28 mount tmpfs tmpfs /sqlite_stmt_journals size=4m
29 mount debugfs debugfs /d
31 mount rootfs rootfs / ro remount
33 write /proc/sys/kernel/panic_on_oops 1
34 write /proc/sys/kernel/hung_task_timeout_secs 0
35 write /proc/cpu/alignment 4
36 write /proc/sys/kernel/sched_latency_ns 10000000
37 write /proc/sys/kernel/sched_wakeup_granularity_ns 2000000
39 # mount mtd partitions
40 # TODO: this should be mounted by fs vol id (i.e. /dev/block-by-volid/system),
41 # once init gets that functionality.
42 # mount ext3 /dev/block/sda6 /system
43 # mount ext3 /dev/block/sda6 /system ro remount
45 # We chown/chmod /data again so because mount is run as root + defaults
46 # mount ext3 /dev/block/sda8 /data
47 chown system system /data
50 # Same reason as /data above
51 # mount ext3 /dev/block/sda5 /cache
52 chown system cache /cache
55 # This may have been created by the recovery system with odd permissions
56 chown system system /cache/recovery
57 chmod 0770 /cache/recovery
59 # create basic filesystem structure
60 mkdir /data/misc 01771 system misc
61 mkdir /data/misc/hcid 0770 bluetooth bluetooth
62 mkdir /data/local 0771 shell shell
63 mkdir /data/local/tmp 0771 shell shell
64 mkdir /data/data 0771 system system
65 mkdir /data/app-private 0771 system system
66 mkdir /data/app 0771 system system
67 mkdir /data/property 0700 root root
69 # create dalvik-cache and double-check the perms
70 mkdir /data/dalvik-cache 0771 system system
71 chown system system /data/dalvik-cache
72 chmod 0771 /data/dalvik-cache
74 # create the lost+found directories, so as to enforce our permissions
75 mkdir /data/lost+found 0770
76 mkdir /cache/lost+found 0770
78 # double check the perms, in case lost+found already exists, and set owner
79 chown root root /data/lost+found
80 chmod 0770 /data/lost+found
81 chown root root /cache/lost+found
82 chmod 0770 /cache/lost+found
91 domainname localdomain
93 # set RLIMIT_NICE to allow priorities from 19 to -20
96 # Define the oom_adj values for the classes of processes that can be
97 # killed by the kernel. These are used in ActivityManagerService.
98 setprop ro.FOREGROUND_APP_ADJ 0
99 setprop ro.VISIBLE_APP_ADJ 1
100 setprop ro.SECONDARY_SERVER_ADJ 2
101 setprop ro.HOME_APP_ADJ 4
102 setprop ro.HIDDEN_APP_MIN_ADJ 7
103 setprop ro.CONTENT_PROVIDER_ADJ 14
104 setprop ro.EMPTY_APP_ADJ 15
106 # Define the memory thresholds at which the above process classes will
107 # be killed. These numbers are in pages (4k).
108 setprop ro.FOREGROUND_APP_MEM 1536
109 setprop ro.VISIBLE_APP_MEM 2048
110 setprop ro.SECONDARY_SERVER_MEM 4096
111 setprop ro.HOME_APP_MEM 4096
112 setprop ro.HIDDEN_APP_MEM 8192
113 setprop ro.CONTENT_PROVIDER_MEM 8704
114 setprop ro.EMPTY_APP_MEM 16384
116 # Write value must be consistent with the above properties.
117 write /sys/module/lowmemorykiller/parameters/adj 0,1,2,7,14,15
119 write /proc/sys/vm/overcommit_memory 1
120 write /sys/module/lowmemorykiller/parameters/minfree 1536,2048,4096,8192,8704,16384
122 # Set init its forked children's oom_adj.
123 write /proc/1/oom_adj -16
125 # Permissions for System Server and daemons.
126 chown radio system /sys/android_power/state
127 chown radio system /sys/android_power/request_state
128 chown radio system /sys/android_power/acquire_full_wake_lock
129 chown radio system /sys/android_power/acquire_partial_wake_lock
130 chown radio system /sys/android_power/release_wake_lock
131 chown radio system /sys/power/state
132 chown radio system /sys/power/wake_lock
133 chown radio system /sys/power/wake_unlock
134 chmod 0660 /sys/power/state
135 chmod 0660 /sys/power/wake_lock
136 chmod 0660 /sys/power/wake_unlock
137 chown system system /sys/class/timed_output/vibrator/enable
138 chown system system /sys/class/leds/keyboard-backlight/brightness
139 chown system system /sys/class/leds/lcd-backlight/brightness
140 chown system system /sys/class/leds/button-backlight/brightness
141 chown system system /sys/class/leds/red/brightness
142 chown system system /sys/class/leds/green/brightness
143 chown system system /sys/class/leds/blue/brightness
144 chown system system /sys/class/leds/red/device/grpfreq
145 chown system system /sys/class/leds/red/device/grppwm
146 chown system system /sys/class/leds/red/device/blink
147 chown system system /sys/class/leds/red/brightness
148 chown system system /sys/class/leds/green/brightness
149 chown system system /sys/class/leds/blue/brightness
150 chown system system /sys/class/leds/red/device/grpfreq
151 chown system system /sys/class/leds/red/device/grppwm
152 chown system system /sys/class/leds/red/device/blink
153 chown system system /sys/class/timed_output/vibrator/enable
154 chown system system /sys/module/sco/parameters/disable_esco
155 chown system system /sys/kernel/ipv4/tcp_wmem_min
156 chown system system /sys/kernel/ipv4/tcp_wmem_def
157 chown system system /sys/kernel/ipv4/tcp_wmem_max
158 chown system system /sys/kernel/ipv4/tcp_rmem_min
159 chown system system /sys/kernel/ipv4/tcp_rmem_def
160 chown system system /sys/kernel/ipv4/tcp_rmem_max
161 chown root radio /proc/cmdline
163 # Define TCP buffer sizes for various networks
164 # ReadMin, ReadInitial, ReadMax, WriteMin, WriteInitial, WriteMax,
165 setprop net.tcp.buffersize.default 4096,87380,110208,4096,16384,110208
166 setprop net.tcp.buffersize.wifi 4095,87380,110208,4096,16384,110208
167 setprop net.tcp.buffersize.umts 4094,87380,110208,4096,16384,110208
168 setprop net.tcp.buffersize.edge 4093,26280,35040,4096,16384,35040
169 setprop net.tcp.buffersize.gprs 4092,8760,11680,4096,8760,11680
171 setprop EXTERNAL_STORAGE_STATE mounted
175 ## Daemon processes to be run by init.
177 service console /system/bin/sh
180 # adbd is controlled by the persist.service.adb.enable system property
181 service adbd /sbin/adbd
183 on property:persist.service.adb.enable=1
186 on property:persist.service.adb.enable=0
189 service servicemanager /system/bin/servicemanager
192 onrestart restart zygote
193 onrestart restart media
195 service mountd /system/bin/mountd
196 socket mountd stream 0660 root mount
198 service zygote /system/bin/app_process -Xzygote /system/bin --zygote --start-system-server
199 socket zygote stream 666
200 onrestart write /sys/android_power/request_state wake
201 onrestart write /sys/power/state on
203 service media /system/bin/mediaserver
205 group system audio camera graphics inet net_bt net_bt_admin
207 service installd /system/bin/installd
208 socket installd stream 600 system system