on android system and userdata are 2 different partitions which are mounted
by the init script. If you have a single filesystem do the changes as shown
in the init script used on omapzoom kit with filesystem on sdcard.
on init
loglevel 3
# setup the global environment
export PATH /sbin:/system/sbin:/system/bin:/system/xbin
export LD_LIBRARY_PATH /system/lib
export ANDROID_BOOTLOGO 1
export ANDROID_ROOT /system
export ANDROID_ASSETS /system/app
export ANDROID_DATA /data
export EXTERNAL_STORAGE /sdcard
export BOOTCLASSPATH
/system/framework/core.jar:/system/framework/ext.jar:/system/framework/framework.jar:/system/framework/android.policy.jar:/system/framework/services.jar
# Backward compatibility
symlink /system/etc /etc
# create mountpoints and mount tmpfs on sqlite_stmt_journals
mkdir /sdcard 0000 system system
mkdir /system
mkdir /data 0771 system system
mkdir /cache 0770 system cache
mkdir /sqlite_stmt_journals 01777 root root
mkdir /data/misc/ 0771 system system
mkdir /data/misc/wifi 0771 system system
mkdir /data/misc/wifi/sockets 0771 system system
mkdir /data/misc/dhcp 0777 system system
mount tmpfs tmpfs /sqlite_stmt_journals size=4m
# since system is also on root - we don't want to do this
# mount rootfs rootfs / ro remount
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
# mount mtd partitions
# Mount /system rw first to give the filesystem a chance to save a
checkpoint
# mount yaffs2 m...@system /system
# mount yaffs2 m...@system /system ro remount
# We chown/chmod /data again so because mount is run as root + defaults
# mount yaffs2 m...@userdata /data nosuid nodev
chown system system /data
chmod 0777 /data
# Same reason as /data above
# mount yaffs2 m...@cache /cache nosuid nodev
chown system cache /cache
chmod 0770 /cache
# This may have been created by the recovery system with odd permissions
chown system system /cache/recovery
chmod 0770 /cache/recovery
# create basic filesystem structure
mkdir /data/misc 01771 system misc
mkdir /data/misc/hcid 0770 bluetooth bluetooth
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
# change permissions for alsa nodes
symlink /dev/snd/pcmC0D0c /dev/pcmC0D0c
symlink /dev/snd/pcmC0D0p /dev/pcmC0D0p
symlink /dev/snd/controlC0 /dev/controlC0
symlink /dev/snd/timer /dev/timer
chmod 0777 /dev/pcmC0D0c
chmod 0777 /dev/pcmC0D0p
chmod 0777 /dev/controlC0
chmod 0777 /dev/timer
# change permissions for modem
chmod 0660 /dev/ttyS0
chown radio radio /dev/ttyS0
# change permissions for bridge. Symlink search directory
chmod 0777 /dev/DspBridge
symlink /system/lib /lib
# change permissions for Camera
chmod 0777 /dev/video5
# double check the perms, in case lost+found already exists, and set
owner
chown root root /lost+found
chmod 0770 /lost+found
# chown root root /data/lost+found
# chmod 0770 /data/lost+found
# chown root root /cache/lost+found
# chmod 0770 /cache/lost+found
#Owners, Modes for Bluetooth
chmod 0660 /dev/ttyS1
chown bluetooth bluetooth /dev/ttyS1
chmod 0660 sys/class/rfkill/rfkill0/state
chown bluetooth bluetooth /sys/class/rfkill/rfkill0/state
write sys/class/rfkill/rfkill0/state 0
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
# Define the oom_adj values for the classes of processes that can be
# killed by the kernel. These are used in ActivityManagerService.
setprop ro.FOREGROUND_APP_ADJ 0
setprop ro.VISIBLE_APP_ADJ 1
setprop ro.SECONDARY_SERVER_ADJ 2
setprop ro.HIDDEN_APP_MIN_ADJ 7
setprop ro.CONTENT_PROVIDER_ADJ 14
setprop ro.EMPTY_APP_ADJ 15
# Define the memory thresholds at which the above process classes will
# be killed. These numbers are in pages (4k).
setprop ro.FOREGROUND_APP_MEM 1536
setprop ro.VISIBLE_APP_MEM 2048
setprop ro.SECONDARY_SERVER_MEM 4096
setprop ro.HIDDEN_APP_MEM 5120
setprop ro.CONTENT_PROVIDER_MEM 5632
setprop ro.EMPTY_APP_MEM 6144
# Write value must be consistent with the above properties.
write /sys/module/lowmemorykiller/parameters/adj 0,1,2,7,14,15
write /proc/sys/vm/overcommit_memory 1
write /sys/module/lowmemorykiller/parameters/minfree
1536,2048,4096,5120,5632,6144
# Set init its forked children's oom_adj.
write /proc/1/oom_adj -16
# Permissions for System Server and daemons.
chmod 0444 /system/usr/keychars/omap_twl4030keypad.kcm.bin
chmod 0444 /system/usr/keychars/qwerty.kcm.bin
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/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
# Define modem related settings
setprop ro.radio.use-ppp yes
setprop keyguard.no_require_sim 1
setprop ro.config.nocheckin yes
class_start default
## Daemon processes to be run by init.
##
service console /system/bin/sh
console
# load DSP firmware
service baseimage /system/bin/cexec.out /system/lib/dsp/baseimage.dof
user root
group audio
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
service mux /system/bin/gsm0710muxd -v -s /dev/ttyS0 -n 3 -m basic
#service mux /system/bin/gsm0710muxd -v -s /dev/ttyS0 -b 460800 -n 3 -m
advanced
user radio
group radio cache inet misc
oneshot
service servicemanager /system/bin/servicemanager
user system
critical
onrestart restart zygote
onrestart restart media
service mountd /system/bin/mountd
socket mountd stream 0660 root mount
service debuggerd /system/bin/debuggerd
service ril-daemon /system/bin/rild -l /system/lib/libidcc6071-ril.so -- -d
/dev/pts/0
#service ril-daemon /system/bin/rild -l /system/lib/libenforaedg308-ril.so
-- -d /dev/pts/0
socket rild stream 660 root radio
socket rild-debug stream 660 radio system
user root
group radio cache inet misc
service pppd_gprs /etc/init.gprs-pppd /dev/pts/1
user root
group radio cache inet misc
disabled
service zygote /system/bin/app_process -Xzygote /system/bin --zygote
--start-system-server
socket zygote stream 666
onrestart write /sys/android_power/request_state wake
service media /system/bin/mediaserver
user media
group system audio camera graphics inet net_bt net_bt_admin
service bootsound /system/bin/playmp3
user media
group audio
oneshot
service dbus /system/bin/dbus-daemon --system --nofork
socket dbus stream 660 bluetooth bluetooth
user bluetooth
group bluetooth net_bt_admin
service hcid /system/bin/hcid -s -n -f /etc/hcid.conf
socket bluetooth stream 660 bluetooth bluetooth
socket dbus_bluetooth stream 660 bluetooth bluetooth
# init.rc does not yet support applying capabilities, so run as root and
# let hcid drop uid to bluetooth with the right linux capabilities
group bluetooth net_bt_admin misc
disabled
oneshot
service hciattach /system/bin/hciattach /dev/ttyS1 texas 115200
user bluetooth
group bluetooth net_bt_admin misc
disabled
oneshot
service hfag /system/bin/sdptool add --channel=10 HFAG
user bluetooth
group bluetooth net_bt_admin
disabled
oneshot
service hsag /system/bin/sdptool add --channel=11 HSAG
user bluetooth
group bluetooth net_bt_admin
disabled
oneshot
service installd /system/bin/installd
socket installd stream 600 system system
service flash_recovery /system/bin/flash_image recovery /system/recovery.img
oneshot
service wlan_loader /system/bin/tiwlan_loader
disabled
oneshot
service ifcfg_ti /system/bin/ifconfig tiwlan0 up
disabled
oneshot
service wpa_supplicant /system/bin/wpa_supplicant -Dwext -itiwlan0
-c/system/etc/wifi/wpa_supplicant.conf -dd
group system
disabled
oneshot
service dhcpcd /system/bin/dhcpcd -d tiwlan0
disabled
oneshot
On Thu, Jul 9, 2009 at 2:05 PM, Saravanan <[email protected]> wrote:
>
> Hi Vishal,
> I am preparing fs to be flashed on nand device.
> Regards,
> Saravanan V.
>
> On Jul 9, 1:11 pm, vishal bhoj <[email protected]> wrote:
> > R u preparing the filesystem on sdcard or creating the system image and
> > flashing it ?
> > Start Posting ur querries on android-porting group.
> >
> >
> >
> > On Thu, Jul 9, 2009 at 12:56 PM, Saravanan <[email protected]>
> wrote:
> >
> > > Hi Vishal,
> > > Thanks for u'r reply.
> > > I am porting Android to S3C6410 (ARM11 core, Samsung chip) based
> > > board. Could you please let me know what changes, i have to make in
> > > init.rc OR where can i refer?
> >
> > > Thanks in Advance,
> > > Saravanan V.
> >
> > > On Jul 9, 11:53 am, vishal bhoj <[email protected]> wrote:
> > > > content are loaded at boot time . On what device are you trying it
> out ?
> > > > How are you mounting the data. there are few changes needed to be
> done in
> > > > the init.rc script .
> >
> > > > On Thu, Jul 9, 2009 at 11:03 AM, Saravanan <[email protected]>
> > > wrote:
> >
> > > > > Hi IMKey,
> > > > > Thanks for u'r reply.
> > > > > When booting Android, the `init` of Android tries to refer some
> class
> > > > > file under /data/dalvik-cache directory. I came to know about this
> by
> > > > > output of `logcat`. In the absence of class files under
> /data/dalvik-
> > > > > cache directory, the `Android runtime` loops inside and nothing
> comes
> > > > > on the LCD screen but i got a command prompt in HyperTerminal
> through
> > > > > serial interface.
> >
> > > > > So it looks that when booting Android, /data directory cannot be
> > > > > empty.
> >
> > > > > Regards,
> > > > > Saravanan V.
> >
> > > > > On Jul 7, 8:11 pm, IMKey <[email protected]> wrote:
> > > > > > I'm not sure if the data directory should be populated at compile
> > > time.
> > > > > The
> > > > > > contents may only be assembled at first boot.
> >
> > > > > > On Tue, Jul 7, 2009 at 4:33 AM, Saravanan <
> [email protected]>
> > > > > wrote:
> >
> > > > > > > Hi all,
> > > > > > > I am new to this group and i don't know whether i can
> put
> > > > > > > this question here. Please help me if i am wrong.
> >
> > > > > > > When i started building android from full source code,
> it
> > > > > > > succeeded in building all the libraries and other stuffs. But
> it
> > > has
> > > > > > > not build the contents of the
> > > mydroid/out/target/product/generic/data
> > > > > > > directory.
> >
> > > > > > > Host details,
> > > > > > > Ubuntu - 8.04 Linux saravanan-desktop 2.6.24-23-generic #1 SMP
> Thu
> > > > > > > Nov 27 18:44:42 UTC 2008 i686 GNU/Linux
> >
> > > > > > > I have following things installed in my system,
> >
> > > > > > > $ sudo apt-get install git-core gnupg sun-java5-jdk flex bison
> > > gperf
> > > > > > > libsdl-dev libesd0-dev libwxgtk2.6-dev build-essential zip curl
> > > > > > > libncurses5-dev zlib1g-dev valgrind
> >
> > > > > > > $ sudo update-java-alternatives -s java-1.5.0-sun
> >
> > > > > > > Procedure i followed to build,
> >
> > > > > > > #repo init -u git://
> android.git.kernel.org/platform/manifest.git
> >
> > > > > > > #repo sync
> > > > > > > #export JAVA_HOME=/usr/lib/jvm/java-1.5.0-sun-1.5.0.16/bin
> > > > > > > #export ANDROID_JAVA_HOME=$JAVA_HOME
> > > > > > > #make
> >
> > > > > > > Please help me to build Android File System from source. I am
> aware
> > > > > > > that i could take fs from running emulator but that is not what
> i
> > > > > > > wanted.
> >
> > > > > > > Thanks in advance!!
> > > > > > > Saravanan
> >
> > > > --
> > > > with regards vishal
> >
> > --
> > with regards vishal
> >
>
--
with regards vishal
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