[Q] Samsung Kernel - Galaxy S III Q&A, Help & Troubleshooting

Hi,
I would like to remove a driver complied into the samsung kernel I was wondering what is the best way to go about it and how ?
Please try to very detailed I'm a newbie, links , guides and all related info are welcome.
(I've seen that there are various samsung based custom kernels so I'm guessing that recompiling the kernel might be the way, but being new to it I would need guidance)

I think its more complicated than you think.
Have you got a Linux based build environment?
Read this to understand the dependencies
http://source.android.com/source/building.html
Then read all the links down the left hand side.
Then you need to download the kernel source from samsung. Big job. If you're a noob, I reckon 6-12 months practice before you can compile a safe kernel. Maybe less if you have more time. Like no job / school / family etc
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Thanks you,
I do have the build environment set up however if it would take that long to manage to compile a safe kernel using samsung sources its probably not the solution for me.
Would it be easier to re-compile one of the samsung based kernel released here ?

The sources should be fine to compile. Im really including learning to modify the source as you want. Once you understand the make commands etc, compiling the source is straight forward with no changes
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Oh, that sounds reasonable.
It would be great if you could help me start out on the proper way of getting the compiling the samsung sources as is, and I could take slowly from there.

johnny.p said:
Oh, that sounds reasonable.
It would be great if you could help me start out on the proper way of getting the compiling the samsung sources as is, and I could take slowly from there.
Click to expand...
Click to collapse
Have a read of the links on the left hand side of the google page I gave you. These should teach you what commands you use.

Related

Suggested Thread(Dev opinions needed)

Suggested Thread Idea(Sorry if in wrong section), if devs do not want this, could a mod please delete this? Thanks!
This thread is meant to relieve the load on devs and provide a source of ideas for them. No offense to devs, I'm not insulting your capabilities. Besides, I hardly know any programming.
Anyway, I'm thinking of collecting suggestions from the many people who make up this X10 mini developing community. I'm sure all of us would want to help as this benefits everyone. Also, some of us here have knowledge of Linux Kernel programming(although not in android) and could help. No questions are to be posted.
Here is an example of the format needed -
Kernel Unlocking - Fool the bootloader! <- This is the title.
Concept: Instead of trying to deactivate or skip the locked bootloader, is it possible to actually fool the bootloader into thinking the one you are trying to load is legitimate? Perhaps by imitating the properties of the kernel that the bootloader looks for, we could load a custom kernel onto the phone.
So, a question to devs - would you rather want or not want this? Thanks!
check this post: http://forum.xda-developers.com/showpost.php?p=11374943&postcount=616
detailed info about S1 platform security
Oh, I see. Nevermind, thanks a lot!

Wrong section but this is a question aimed at DEV's

Hi all, im trying to setup my pc for android development, have made a post in Q&A but no one seems to help so if the dev's could help out with getting me setup to help add to the dev scene can you checkout this post, thanks in advance
XeX_DuBwoofer_x said:
Hi all, im trying to setup my pc for android development, have made a post in Q&A but no one seems to help so if the dev's could help out with getting me setup to help add to the dev scene can you checkout this post, thanks in advance
Click to expand...
Click to collapse
You can find the answers to all of your questions in this forum: http://forum.xda-developers.com/forumdisplay.php?f=613
And yeah, wrong section.
despotovski01 said:
You can find the answers to all of your questions in this forum: http://forum.xda-developers.com/forumdisplay.php?f=613
And yeah, wrong section.
Click to expand...
Click to collapse
Sorry Just seen this, cheers, got my Ubuntu 10.04 install pretty much done, just downloading the CM9 repo, now just looking someone is able to show me around the source code and how to work with it etc, for example im interested in getting into fixing bugs etc and working on things! such as camera (big issue for most fresh built roms to my understanding) i know bottom line i have no experience but with the amazing DEV's im sure i'll get somewhere soon! and hopefully be able to contribute to people's amazing work!

[REQ]Kernel Development Tutorial For Xperia Devices

A Request to all kernel developers..
I am really interested in kernel developement and in depth understanding for Xperia Devices..
But i cannot find a proper tutorial that explains everything from setting up the build environment,Using github to compiling the kernel from sources..
It will be really helpful if anybody provide me a link to existing tutorial or guide and make a new one..
It will help a lot of people who are interested in development..
Sorry if there is a thread like this already..
Regards..
a|\|droid_user said:
A Request to all kernel developers..
I am really interested in kernel developement and in depth understanding for Xperia Devices..
But i cannot find a proper tutorial that explains everything from setting up the build environment,Using github to compiling the kernel from sources..
It will be really helpful if anybody provide me a link to existing tutorial or guide and make a new one..
It will help a lot of people who are interested in development..
Sorry if there is a thread like this already..
Regards..
Click to expand...
Click to collapse
Hi, I don't know if still helpful but building kernel in android is the same as linux and the same for evry device.
You may follow this rule to build your own kernel and patch it with the patch you find online or in other kernel thread.
http://forum.xda-developers.com/showthread.php?p=38144723
a|\|droid_user said:
A Request to all kernel developers..
I am really interested in kernel developement and in depth understanding for Xperia Devices..
But i cannot find a proper tutorial that explains everything from setting up the build environment,Using github to compiling the kernel from sources..
It will be really helpful if anybody provide me a link to existing tutorial or guide and make a new one..
It will help a lot of people who are interested in development..
Sorry if there is a thread like this already..
Regards..
Click to expand...
Click to collapse
BRO, IF u want built kenel , pls make sure u read rules... why???
1.st rule is: SEARCH before posting...
i googeled: how to built kerneland get 5 thrweads from xda also n00by one's so please do some research nxt time as these are kiddie problems (cnat searching) and NOT THINGS posted to here: thats also why some ppl not answer if the solution is out there!!!!!!!!
pls remeber this that its a forum for adults who like sharing heavy knowledge AND not looking for n00by-dooby problem's
sry to say that but i know a bunch of ppl who complain about this in some xda threads, so nxt time if u have a problem pls do first some 10 mins google research https://www.google.de/search?q=how+to+built+a+kernel&ie=utf-8&oe=utf-8&rls=org.mozilla:defficial&client=firefox-a&gws_rd=cr&ei=QfYZUq2MA8bRtAbo7YDYAQ#fp=1643bda966ad7fb1&q=how+to+built+a+kernel+xda&rls=org.mozilla:de%3Aofficial&safe=off
and also respect other hard writtenthreads NOBODY WILL write especially a thread for u (as this i big work) respect the devs
thank u

Custom Kernel Development For Neo

HI guys, after waiting for so long I finally decided that its time to do something for the Neo, as there are no custom kernels for our device I decided to take the matters in my hands. After doing some research and following some video guides i succeeded in :-
.Installing Ubuntu (VMWARE) v14.02
.Installing packages required for developing
.Setting up a toolchain
Now I am stuck at the last process as mentioned in the guide. I already created a zImage file, but i cant find the ANYKERNEL.zip required to flash the kernel. If someone knows any dev, or can help me with it, it will be appreciable.
Following I provide the link for the video and guide:-
The main video guide :- http://www.youtube.com/watch?v=IV4jhXWc7AE (also watched the 2nd part).
The guide from where i got the link for tool chain as the NDK from android.developers.com was .bin file and I was not able to figure out how to use it. :- http://www.youtube.com/watch?v=vVZrh7aBIw4
Please if any dev can help me please PM me
Regards. :fingers-crossed:
EDIT:- Mods if i have posted this in wrong section, please move this thread to the correct section as I have a very limited knowledge regarding post
man thanks for your efforts first of all.secondly if you are getting stuck somewhere then its best to contact a dev who has worked on exynos processor before.for example try contacting a dev who have made a kernel for note 3 exynos version they are our best chance...thanks again and i really want to help but i know nothing about kernels

QEMU question

Hello everyone
I wanted to test another solution for having Linux on Android, which is Virtual Machine. I found this Limbo thing but I have doubts. Can someone tell me which QEMU adaptation for android (Limbo) is real and which one is either outdated or plain fake/malware?
One is on Android Play Store:
https://play.google.com/store/apps/...be.android.app.com.limbo.emu.main.armv7&hl=pl
...and seems kinda fake'y because of the terrible "english" description and dead website link.
The other is from this site:
https://limboemulator.weebly.com/
...which also links to GitHub but it doesn't appear on Play Store so it's not "approved".
Versions of those two don't add up, that's why I don't think they are one and the same. Thanks in advance.
necxelos said:
Hello everyone, I wanted to test another solution for having Linux on Android, which is Virtual Machine. I found this Limbo thing but I have doubts. Can someone tell me which QEMU adaptation for android (Limbo) is real and which one is either outdated or plain fake/malware?...
Click to expand...
Click to collapse
I don't use this but, I believe that one or both of the following threads may be helpful for what you are looking for and don't be afraid to ask for some member guidance within one of them too.
https://forum.xda-developers.com/showthread.php?t=1868326
https://forum.xda-developers.com/showthread.php?t=1893838
Good Luck!
~~~~~~~~~~~~~~~
I DO NOT provide support via PM unless asked/requested by myself. PLEASE keep it in the threads where everyone can share.
Sadly one topic is about rooting Kindle (using some edited QEMU exploit) and the other offers old QEMU from mediafire links without linking directly to any official QEMU for Android project.
What I need to know is which source of Android QEMU is the legit one as both that I found seem fishy in some aspect and I'd prefer not to install some malware. I just need the most recent version possible of legit QEMU project for Android. Which and who's project it is doesn't matter as long as it works and it's actively maintained.
necxelos said:
What I need to know is which source of Android QEMU is the legit one as both that I found seem fishy in some aspect and I'd prefer not to install some malware. I just need the most recent version possible of legit QEMU project for Android. Which and who's project it is doesn't matter as long as it works and it's actively maintained.
Click to expand...
Click to collapse
You should be able to obtain some member guidance within one of the following General Q&A threads.
https://forum.xda-developers.com/showthread.php?t=2259645
https://forum.xda-developers.com/showthread.php?t=2257421
Good Luck!
~~~~~~~~~~~~~~~
I DO NOT provide support via PM unless asked/requested by myself. PLEASE keep it in the threads where everyone can share.

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