Hi,
I have some introductory slides at the following link, for your reference.
http://www.ntut.edu.tw/~wyliang/#Download
BRs,
William W.-Y. Liang
http://www.ntut.edu.tw/~wyliang
--- this mail was sent from my phone ---
2012-4-26 上午8:46 於 "Chirag Shah" 寫道：
> Hi All,
>
> T
Hi Chirag,
I would recommend that you start with LightService, which contains a
relatively simple HAL implementation in AOSP.
Best Regards,
William Liang
http://www.ntut.edu.tw/~wyliang
2012/4/25 Chirag Shah
> Hi All,
> I have compiled and loaded android ICS into pandaboard ES. I also
> down
Hi, you have to specify the target images. One simple way is to set the
environment variable ANDROID_TARGET_OUT to
/out/target/product/generic/ before launching the emulator.
BRs,
William W.-Y. Liang
http://www.ntut.edu.tw/~wyliang
--- this mail was sent from my phone ---
2012-4-14 上午12:23 於
Hi Preetam, No problem. You are welcome. :)
- William
2011/11/7 preetam m.n
> Hi William Liang,
>
> Thanks for correcting me.
>
> Regards,
> Preetam
>
>
> On Sat, Nov 5, 2011 at 7:49 PM, William W.-Y. Liang <
> wyli...@mail.ntut.edu.tw> wrote:
>
>>
Hi,
init.rc (and the root file system) actually exists in a ramdisk
(ramdisk.img). As a result, any modification to it only occurs in memory,
not in the image itself. (ramdisk.img combines with the kernel to form the
boot.img)
William Liang
www.ntut.edu.tw/~wyliang
2011/11/5 preetam m.n
> Corr
Is it possible that it was caused by the full-of-file-system problem?
That is, the operation could not be performed normally because the
partition has been out of space?
BRs,
William Liang
2011/11/1 allstars
> Hi
> I download the android sdk and create an avd for android-10
> then I launch the
you have the device file named /dev/my_devfile. Set it
with the following command: chmod 0666 /dev/my_devfile.
BRs,
William W.-Y. Liang
2011/10/15 Anil
> I am calling the driver from an Android program (OMAP4/Blaze). It
> calls a c++ program via JNI which then calls the device driver.
&g
Hi, as I remember, the boot image will also include the ramdisk image, in
addition to the kernel image. for your reference. (Produced by mkbootfs.)
William Liang
2011/9/28 Franky
> Have you already flash cyanogenmod to your phone? I don't think a
> cyanogenmod kernel + a standard Android system
Hi, Ivan,
__ctor_list and __ctor_end are defined by the linker script, for a special
section for 'constructors' defined in the kernel.
William Liang
http://www.ntut.edu.tw/~wyliang
2011/9/27 ivan
> Hi, guys
>
> When I read the code of lk/kernel/main.c, I feel confused about using
> "call_const
I think Tim meant the 'core' class library, which is pre-loaded into memory
for the purposes that Tim has mentioned. You can check the
file frameworks/base/core/java/com/android/internal/os/ZygoteInit.java.
William Liang
2011/9/16 Pratik Prajapati
>
>
> On Thu, Sep 15, 2011 at 10:16 AM, Tim Bir
ut the module
> refuses to load, the original wifi module does work with the new
> kernel that i built. the new bcm4329.ko is about 40k bytes bigger two
>
> On Sep 10, 9:18 pm, "William W.-Y. Liang"
> wrote:
> > Sorry, I've typed a wrong option. It should be CONFIG_M
t;
> On Sep 10, 7:17 pm, "William W.-Y. Liang"
> wrote:
> > insmod doesn't work, probably because the MODULE_LOAD option is not
> enabled
> > in the kernel.
> >
> > William Liang
> >
> > 2011 9 11 08:50 於 "Vadim"
insmod doesn't work, probably because the MODULE_LOAD option is not enabled
in the kernel.
William Liang
2011 9 11 08:50 於 "Vadim" 寫道：
> hi, this is the kernel source,
>
http://www.huaweidevice.com/worldwide/downloadCenter.do?method=toDownloadFile&flay=software&softid=NDAzNzg=
> i have gotten it
Just a supplement here. If you don't want to download the whole Android
source, the prebuilt toolchain in the NDK can also be used. :)
William Liang
2011/8/30 joerg simon
> Dear Ramya,
>
> They are not binary but afaik source compatible. I am 100% sure for
> the SKULL driver, you can compile it
Android kernel has added some new features in the original Linux
kernel, such as binder IPC, ashmem, logcat, wakelock, etc.
As a result, you can not run the user-space Android software stack on the
traditional (mainline) Linux kernel.
You need to download Android's version of the kernel from
androi
Here is just an observation form your log, for your reference. Not a
solution to your problem.
>From the log (extracted as below), it looks that the DHCP client has ever
successfully connected to a DHCP server and was assigned an IP address.
Somehow, it terminated itself by exit(0) after forking i
Hi,
I'm not sure what type of device you are working on.
As a result, implementing it as an input device may not be the best choice.
Anyway, we may solve the problem by treating it as a generic character
device driver.
Below is one of the solutions for your reference.
First, you may need to imple
t;>
>>
>> 2011/8/19 J Freyensee
>>
>>> You should also look at this book...in my opinion its a little better
than
>>> Oreilly:
>>> www.elinuxdd.com
>>> On Aug 19, 2011 5:49 AM, "Ruturaj Patil"
>>> wrote:
>>> >
Hi Ruturaj,
Android kernel programming is exactly the same as Linux kernel programming.
You may refer to the book Linux Device Driver, O'Reilly, for how to get the
loadable kernel module work.
William Liang
2011 8 19 03:56 於 "Ruturaj" 寫道：
> Hello everyone, I'm an engineering student from Pune U
The last message indicates format error for netd. Is it possible that you
have ever compiled it separately with different toolchain?
2011 7 30 05:25 於 "yuzaipiaofei" 寫道：
> i am porting android2.2 to mtk6516, when i boot os , the deivice happen
this!
> who can help me ?
>
> thanks so much!
>
> [ 4
t; > >> But as per as android kernel is concern the tool chain should be
> arm-eabi-
> > >> complaint, because Apps need not use full gcc.
> >
> > >> Regards,
> > >> Jagan.
> >
> > >> On Fri, Jul 22, 2011 at 2:52 PM, William W.
Understood. I've been de-focused...
Yes, I agree. In responding to the subject, using insmod in init.rc, with
the modules prepared in the image, is the solution.
Thank you, Chris.
William Liang
2011/7/28 Chris Stratton
> On Wednesday, July 27, 2011 9:03:48 PM UTC-4, William W.-Y. Lia
that by default on boot, the module
> will get automatically loaded.
> -AR
>
> On Wed, Jul 27, 2011 at 6:03 PM, William W.-Y. Liang <
> wyli...@mail.ntut.edu.tw> wrote:
>
>> Chris,
>>
>> I think Dani is asking how the module can be loaded dynamically when
Chris,
I think Dani is asking how the module can be loaded dynamically when a
peripheral device has been plugged in during the run time. (Assume the .ko
files have been put in the image file.)
To Dani, that is about the hotplug mechanism in the kernel, including
platform driver, sysfs issues, etc
config stage?
> it's an external module not a part of the kernel, it's for a specific HW.
> I would like the driver to load automatically when hw is connected to the
> board
>
>
>
> On Mon, Jul 25, 2011 at 9:46 AM, William W.-Y. Liang <
> wyli...@mail.ntut.ed
Have you enabled the Module feature in the config stage?
William Liang
2011 7 25 14:37 於 "dani maoz" 寫道：
> Hi
> I am using pandaboard with Gingerbread image.
> I would like to load a kernel module at start up. i have tried to update
> depmod.dep but no luck.
> when i try to run depmod command i
2ja...@gmail.com>
> But as per as android kernel is concern the tool chain should be arm-eabi-
> complaint, because Apps need not use full gcc.
>
> Regards,
> Jagan.
>
> On Fri, Jul 22, 2011 at 2:52 PM, William W.-Y. Liang <
> wyli...@mail.ntut.edu.tw> wrote:
>
&g
A minor update to the previous comment:
I think it will be "arm-linux-androideabi-" instead of "arm-eabi-" for
4.4.3.
PS. Correct me if anything goes wrong here, plz. Tks.
BRs,
William Liang
2011/7/22 jagan <402ja...@gmail.com>
> Ok.
>
> Just follow these steps..
>
> $ cd kernel
> $ make ARCH=
Sorry, typo in the previous mail.
Locate->logcat
Omen->pmem
-William
2011 7 19 08:52 於 "William W.-Y. Liang" 寫道：
> Hi,
>
> Isn't it that the Android kernel patches have been excluded from
kernel.org?
>
>
> Or, the new staffs provided by Android kerne
Hi,
Isn't it that the Android kernel patches have been excluded from kernel.org?
Or, the new staffs provided by Android kernel (such binder IPC, ashmem,
wake-lock, locate, omen, etc) have been merged again in Linux kernel 3.0?
-William
2011 7 19 02:10 於 "Karthik Balakrishnan" 寫道：
> All,
> Has
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