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How edit a kernel?

I'm using MIUI rom for my Nexus S. I have tested Netarchy kernel, the most complete of his genre, but it give me stability issues.
I want take the default android kernel and add some non-invasive features like overclock, bln, etc. wich let's MIUI run stable.
My problem is that i don't know how i can edit a kernel. Unpack .img files, decompile and recompile them.
Anyone can help me with a small introduction?
Thanks a lot.

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dario3040 said:
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seems like a reasonable request :S

I have to laugh?

fede91it said:
I'm using MIUI rom for my Nexus S. I have tested Netarchy kernel, the most complete of his genre, but it give me stability issues.
I want take the default android kernel and add some non-invasive features like overclock, bln, etc. wich let's MIUI run stable.
My problem is that i don't know how i can edit a kernel. Unpack .img files, decompile and recompile them.
Anyone can help me with a small introduction?
Thanks a lot.
Click to expand...
Click to collapse
first of all, wrong section..even though it is about "development"...still a question
anyways, there is no way to "edit a kernel" they have to be built from source. changes need to be made before you compile it.
there are many threads here on xda with tutorials -search >compile kernel<
a simple way to start is seach >mkbootimg< normally this would be compiled from source as well but there are a few threads that people have posted tutorials of the ins and outs and have packages for download.
basically with that you can "split" a boot.img separating the ramdisk (specific to the rom) and the kernel...then merge "your" miui ramdisk with a working (or built for other rom) kernel

You can start here:
http://forum.xda-developers.com/showthread.php?t=1039854

Moved to Q&A.

[REF] Samsung GIT repository for i9003 source code

Samsung has oppened a GIT repository for our phone 2 days ago (more convenient than the usual sources tarballs), as you can see on this page : https://opensource.samsung.com/guest/listMyCommunity.do
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Here is the repository : git://opensource.samsung.com/p_411

I am sorry buddy but can u tell me that how it will be beneficial for us??? Sorry I have dont have knowledge about this but want to know eagerly about this.

Instead of messing with the tarballs used by Samsung to provide the GPL parts of kernel & co, they opened a git repository, which is more convenient to retrieve the source code. (Try Google if you want more informations )
It's good for the kernel devs, and source on the repository might be more up to date than the actual tarball provided by Samsung (can't verify, I'm at work)

means now kernal coding will be more convinient to kernal coders??

can add TV-OUT with this source code?

As I understand, the stuff in there is already spreaded in the web. It's just a repository good for starters, isn't?
Does coderworkx can find anything relevant for CM (that he does not already have/know)?

u mean to say that we have the access to the opencore, kernels and rom now? thats a great thing if thats what happend.

I think this can be of very good help...i see some omap3 stuff and camera stuff

This isn't helping !
These files do we have a 4 months now.

Oh then the same old source files
Sent from my GT-I9003 using XDA App

thanks a lot!

I think code has already had most of the files created/grabbed before this was released. Which is somewhat depressing :\ because this may be considered useless

How can you tell if it was the same exact files? Maybe it just looks the same for the most part because it is the source after all but maybe the official release has some more stuff or some updated files that will make the kernels and roms work properly...
Just hoping for that CM7 to work flawlessly. hehe

Same date of old fiorano.. Same files
Inviato dal mio GT-I9003 usando Tapatalk

I think skin will explain this better.

Cm10 compatible kernels

I'm running cm10 4.1.1
Just wondering what kernels are compatible with cm10. I have used the app sgs flasher to flash a kernel in the past. Would this work now? And I'm looking for a kernel that would improve battery.
Here's my exact info:
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Sent from my SGH-I997 using xda app-developers app

Dr_Nacho said:
I'm running cm10 4.1.1
Just wondering what kernels are compatible with cm10. I have used the app sgs flasher to flash a kernel in the past. Would this work now? And I'm looking for a kernel that would improve battery.
Here's my exact info:View attachment 1390927
Sent from my SGH-I997 using xda app-developers app
Click to expand...
Click to collapse
About a month ago. I was able to use sgs-kf in gb to flash a cm9/cm10 kernel while in GB. I think it failed in cm9/cm10 when I tried to flash a gb kernel.
idk if the author has updated the app or not.
You can flash up, but not down.
For the most part, Scott and jt has been the only ones working on cm10 - jt's cm10 kernel in buried in the thread somewhere a few months back. I made a shell to flash a cm10 kernel in there too, a few posts after jt dropped his kernel. I packed that kernel into a cwm flashable shell for cwm 5.x and 6.x.
You can use that shell to flash your cm10 kernels. CM10 flavors will be Scott's work or Jt's work.

i dont think you can flash an mtd cm10 kernel, i dont really know how the mtd conversion scripts work and sgskf says unsuported kernel type or something. non mtd, early cm10 or current cm9 should be aboe to use it but like qkster said might not downgrade....
but about kernel selection use whats in the rom thread. in general different aosp kenrels can be somewhat compatible but there is soo much going on with aosp development and things are constantly changing with feature support and drivers (i think the wifi drivers are mostly being used from the galaxy tab or something).. and partitions that most kernel only partially work with other roms, so stick to matching the kernel to the rom by developer and release date.

[DEV][PORT][B2G][REQUEST] Idea for porting B2G to i9001

I want to port Firefox OS to our i9001 and I want to try a different approach this time:
I Instead of compiling a working build, I will try to take a Firefox OS rom and I will port it. After taking a few roms apart, it appears to me that a B2G rom doesnt contain many things different from android. I found a S2 rom that is like a modified version of CM.
But I dont have got that much time atm, so you will have to be patient
If anybody is interested in helping me, I would be very happy

Hints:
- B2G is based on AOSP, not on CM
- Use CM9 (arco) as base (it's the most stable ICS rom available imo)
- Use the CM9 stock kernel along with some files of this ramdisk (of course you will have to modify it): https://github.com/mozilla-b2g/initramfs-galaxy-s2-ics
- Use CM9 as many /bin and /lib files of CM9 as possible, the ones generated for the S2 are incompatible.
- If it doesn't boot try using the libandroid_runtime.so file from B2G
- Use DDMS or Android Monitor to explore the errors
Good Luck! It's not an easy job ^^

You can read this thread, maybe help you
http://forum.xda-developers.com/showthread.php?t=1799287

_suke_ said:
You can read this thread, maybe help you
http://forum.xda-developers.com/showthread.php?t=1799287
Click to expand...
Click to collapse
He is the one that started that other thread...xD

broodplank1337 said:
Hints:
- B2G is based on AOSP, not on CM
- Use CM9 (arco) as base (it's the most stable ICS rom available imo)
- Use the CM9 stock kernel along with some files of this ramdisk (of course you will have to modify it): https://github.com/mozilla-b2g/initramfs-galaxy-s2-ics
- Use CM9 as many /bin and /lib files of CM9 as possible, the ones generated for the S2 are incompatible.
- If it doesn't boot try using the libandroid_runtime.so file from B2G
- Use DDMS or Android Monitor to explore the errors
Good Luck! It's not an easy job ^^
Click to expand...
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This will help that much! Thank you!

Azrael^^ said:
He is the one that started that other thread...xD
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That´s true...
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Android M CM13

CM start CM13 Branch
One S get Android M?
Maybe we can build it now from source?

It's too soon. I doubt there's even one device working on this branch. Just check http://review.cyanogenmod.org/#/q/status:merged+branch:cm-13.0 regularly.

No Lollipop rom is enought stable to be daily for now, so not sure Android 6.0 rom is usefull if not fully working too...

I know for a fact Evita has booted on M, Lots of broken stuff I bet, only a matter of time before CM starts fixing stuff up

Good news. I try to build for Ville almost every week. Wait & see, nothing really new on Gerrit for our device these days; but 8960 related sources are updated daily.

Maybe now?

Hi, does anyone have news for cm13 on our old htc one s ?
Thanks

No, not ready and almost no work for our device. There's a makefile circular dependency problem I can't figure out.

Hi all,
I found this file :
https://www.androidfilehost.com/?fid=24407100847292564
So it seems that there is a CM13 build for our Ville... Has anyone tried this build ? I couldn't find any info on this build and I can't boot in recovery using buttons on my device so I need feedbacks before I attempt to flash this rom... Thanks!
Edit : I had a mail from the developer who told me it's a project but it doesn't boot yet...

My wife has a galaxy note 2. There's no official cm 13 for it like ours but there's already marshmallow ROMs out for it. How is that possible? Anyone have any insight or can point me in the right direction of getting a build for our ville?

Now we can download CM 13
Download
Only 2.16 HBOOT

Any bugs revealed?

Installed CM13 on hboot 2.16. It seems everything is ok. 3 Hours runtime... no errors or crashes.
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I've been running it since this morning. Haven't had any crashes or reboots. Fm Radio doesn't work. Had to download new adb drivers for adb or fastboot to work.

Fm Radio works fine for me

FM working well. ( of course with headphones )

Things that make you go hmmm. Downloaded and flashed again and still get this. My headphones work on any other app or phone.

What radio are you guys using?

I use stock fm radio apk from cm13