Develop Bugs

Extrating Kernel zimage from rom

Does anyone know where i can find info on extracting kernel from a rom
i unzip rom and cant find a zimage any place
i tried using dsixda's HTC Android Kitchen aswell but i still cant find a zimage

Mr.Esp said:
Does anyone know where i can find info on extracting kernel from a rom
i unzip rom and cant find a zimage any place
i tried using dsixda's HTC Android Kitchen aswell but i still cant find a zimage
Click to expand...
Click to collapse
The zimage is in the boot.img along with the ramdisk. If this doesn't lead you to anything let me know. Ill go into more detail. This tool "mkbootimg" is what you are looking for.
http://android-dls.com/wiki/index.php?title=HOWTO:_Unpack,_Edit,_and_Re-Pack_Boot_Images

is it the boot.img-kernel do i need to rename to zimage?
or is it in the boot.img-ramdisk??

lithid-cm said:
The zimage is in the boot.img along with the ramdisk. If this doesn't lead you to anything let me know. Ill go into more detail. This tool "mkbootimg" is what you are looking for.
http://android-dls.com/wiki/index.php?title=HOWTO:_Unpack,_Edit,_and_Re-Pack_Boot_Images
Click to expand...
Click to collapse
Mr.Esp said:
is it the boot.img-kernel do i need to rename to zimage?
or is it in the boot.img-ramdisk??
Click to expand...
Click to collapse
ramdisk and zimage are in the boot.img just read the link I gave you.

it talks about turn it back in to an img file but i want to make a flashable zip with zimage that why i just need the zimage
so after i unpacked the boot.img i dont see anything call zimage so is it called something else
this what i see in the boot image
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Mr.Esp said:
it talks about turn it back in to an img file but i want to make a flashable zip with zimage that why i just need the zimage
so after i unpacked the boot.img i dont see anything call zimage so is it called something else
this what i see in the boot image
Click to expand...
Click to collapse
Code:
[email protected]:~/Desktop/build$ ./split_bootimg.pl boot.img
Page size: 2048 (0x00000800)
Kernel size: 2253284 (0x002261e4)
Ramdisk size: 168286 (0x0002915e)
Second size: 0 (0x00000000)
Board name:
Command line: no_console_suspend=1
Writing boot.img-kernel ... complete.
Writing boot.img-ramdisk.gz ... complete.
[email protected]:~/Desktop/build$ ls
boot.img boot.img-ramdisk.gz mkbootfs repack-bootimg.pl unpack-bootimg.pl
boot.img-kernel init mkbootimg split_bootimg.pl
[email protected]:~/Desktop/build$ mv boot.img-
boot.img-kernel boot.img-ramdisk.gz
[email protected]:~/Desktop/build$ mv boot.img-kernel zImage
[email protected]:~/Desktop/build$ ls
boot.img init mkbootimg split_bootimg.pl zImage
boot.img-ramdisk.gz mkbootfs repack-bootimg.pl unpack-bootimg.pl
You are going to want the "/system/lib/modules" as well

damn i thought this would be easy alright ill give it a try
sucks i dont know poop about linux

boot.img-kernel is the same thing as zimage
Mr.Esp said:
it talks about turn it back in to an img file but i want to make a flashable zip with zimage that why i just need the zimage
so after i unpacked the boot.img i dont see anything call zimage so is it called something else
this what i see in the boot image
Click to expand...
Click to collapse
Posted from my HTC Evo 4G on Tapatalk Pro!

TMartin03 said:
boot.img-kernel is the same thing as zimage
Posted from my HTC Evo 4G on Tapatalk Pro!
Click to expand...
Click to collapse
so do i just rename it and add it the zip?

Mr.Esp said:
so do i just rename it and add it the zip?
Click to expand...
Click to collapse
Your initial post asked how to extract the zImage. I showed you how to do that and change the name in the shell. What are you asking now? If its how to create a zip google "any kernel updater"

its the same post... i asked how you extract the zimge cuz i didnt see it in the unpacked boot.img
sorry i guess i should have said its unpacked but dont see anything called zimage...
but in a later post i asked if the boot.img-kernel i saw just needed to be renamed to zimage..

Mr.Esp said:
its the same post... i asked how you extract the zimge cuz i didnt see it in the unpacked boot.img
sorry i guess i should have said its unpacked but dont see anything called zimage...
but in a later post i asked if the boot.img-kernel i saw just needed to be renamed to zimage..
Click to expand...
Click to collapse
Yes I attached the entire shell commands to get there. As well as the split_boot python script. Alls you have to do is run that script and rename to zImage and pull any modules /system/lib/modules/

so i have to run script its just cant be renamed .. i was under the impression it could just be re-named ...
sorry for any misunderstanding

Mr.Esp said:
so i have to run script its just cant be renamed .. i was under the impression it could just be re-named ...
sorry for any misunderstanding
Click to expand...
Click to collapse
Yes just rename the file if you used the "split" script.

ok heres a another dumb question if i used dsixda's HTC Android Kitchen to unpack the boot is that the same as using the split script ?

Mr.Esp said:
ok heres a another dumb question if i used dsixda's HTC Android Kitchen to unpack the boot is that the same as using the split script ?
Click to expand...
Click to collapse
No Idea I have never used a kitchen to cook anything I have built.

think it ok just to try rename it and put in a zip and try to flash it
i guess i can TOFTT

Mr.Esp said:
think it ok just to try rename it and put in a zip and try to flash it
i guess i can TOFTT
Click to expand...
Click to collapse
If it doesn't work then you will know! lol good luck

thanks man..

testing now

[ROM][11/01/11] [1.1] The Fast and The Tabious

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Hello Guys!
This is my Custom ROM for the Galaxy Tab!
Its based on the european Firmware JME but i did the following changes:
- System and Framework completely deodexed
- System and Framework completely zipaligned
- Added Root and BusyBox
- LauncherPro as default Launcher
- build.prop Tweaks
- App Widget Picker
- Removed Maps and gMail (u can reinstall from market) more space on /system for the extra Apps
Thanks to this, you have now much more RAM available, and it runs pretty fast!
u can find the update in the attached files section
UPDATES:
1.1 - CAMERA FINALLY FIXED
1.0.1 - fixed missing camera app
1.0 - Release
Coming in further Releases (my plan ) when my bootloader gets unlocked:
- overclocking
- kernel optimisations
- custom theme
- EXT4
- Gingerbread???
apply the update by putting the files in the folder "updateX.X" (X.X stands for the version number and u need to create it) and then run the script via terminal emulator or adb shell (sh /sdcard/update/xxx_update.sh) xxx is replaced by version or update name
Currently known Bugs:
- camera app is missing but u can use camera apps from android market - fixed in newest release
THIS DOESN'T CONTAIN THE SIGNED BOOTLOADERS, just like Rotohammer's releases
it only contains a signed zImage but, as u know, u can revert this
Install with Heimdall or Odin, recommended from a JMx Firmware (JJx and JKx havnt been tested yet but u can try)
I'll update this rom, whenever there are bugs, stability issues and wishes from you!
|Download (Heimdall)|

Great. Downloading now. Will flash tomorrow.

Sounds great. But why add the signed zimage at all. Is there a way to load this without the zimage?

Can you install it with ODIN ?
Do you need a full wipe ?
P_

heythorp said:
Sounds great. But why add the signed zimage at all. Is there a way to load this without the zimage?
Click to expand...
Click to collapse
i dont know exactly, but i think u need the newer kernel for JMx Releases! But u can try to flash only the factoryfs.rfs file inside the 7z archive, but i dont guarantee that it will work!
@ guy above me
i can make an odin package tomorrow, if u want so!
Sent from my GT-P1000 using XDA App

What version will this work with? Sprint tmo att vzw or any and does it replace the modem.bin
Sent from my SPH-P100 using XDA App

+1 for Odin install.

+1 for Odin version , can you post some screen or a video to see your rom . Differences from Roto- JME? Works on generic EURO tab? Thank you

+1 for Odin pls
Sent from my GT-P1000 using Tapatalk

cant wait to try out this rom

i tried flashing with heimdall and it just fails every time.
edit:
got it to work. will post up results after i used it a lil. thanks again!

ayman07 said:
i tried flashing with heimdall and it just fails every time.
edit:
got it to work. will post up results after i used it a lil. thanks again!
Click to expand...
Click to collapse
Heh. Keep the updates flowing through Twitter on how you're finding it...

did you forget to include the camera app cuz its no longer there?
@htnprm definitely

Flashed on my T-Mobile Tab and am so happy to be rid of the Samsung Home.
Looks and works great so far!

Landroid said:
i can make an odin package tomorrow, if u want so!
Click to expand...
Click to collapse
what about a CWM zip? flash on the go!

ayman07 said:
did you forget to include the camera app cuz its no longer there?
@htnprm definitely
Click to expand...
Click to collapse
Just flashed and confirmed, missing camera app. And trying to select the camera in the Gallery app forces closes

great. heimdall is up. i picked the zimage but for what button / option do i select for the .rfs file?
in other words, is this right?
[edit] never-mind. figured it out by following steps on here: http://forum.xda-developers.com/showthread.php?t=878686
problem now is there isnt any arabic support in this rom. may hold back on flashing it.

Sod Odin and Haimdall. Any chance of an update.zip for flashing in recovery, given that we now have a usable, stable recovery (chainfire's).

Frustu said:
+1 for Odin version , can you post some screen or a video to see your rom . Differences from Roto- JME? Works on generic EURO tab? Thank you
Click to expand...
Click to collapse
Quote.
Thanks!

any screenshot's?

[TOOL]RFS to EXT4 Conversion tool for compatible Kernels (CWM Flashable)

I am not a Galaxy Tab owner but I was contacted by af974 to help provide a way of converting to EXT4 for Gingerbread. I am a developer mainly for the Epic 4G but with the similarities I figured I could help out and af974 asked me to post our solution.
This is a ClockworkMod flash-able .zip that simply converts /system /data and /cache from RFS to EXT4. It was originally by Dameon87 and modified for the Galaxy Tab by me. If you don't have an EXT4 compatible kernel then flashing this WILL soft-brick your device! This should work on any kernel that has EXT4 support. (not just Gingerbread)
THIS TOOL WILL FORMAT (ERASE) YOUR DEVICE. IF YOU DON'T UNDERSTAND THIS THEN DO NOT FLASH IT!!! IT DOES NOT INCLUDE ANY BACKUP OR RESTORE FUNCTIONALITY.
Tested with this kernel by koxudaxi: http://forum.xda-developers.com/showthread.php?t=943669
Instructions:
ENSURE the new kernel supports EXT4 before begin!!!
1. Make a backup in ClockworkMod
2. Flash the TabEXT4Converter_v2.zip script
3. Flash custom kernel or flash rom
4. Restore backup (optional)
You can verify the conversion by typing 'mount' in terminal emulator or adb shell.
Download: http://devphone.org/files/galaxytab/TabEXT4Converter_v2.zip
If any one wants to donate a Tab I will be more than happy to develop a kernel for the users.

Thanks for your work Rodd.
Just to add some info, this was tested on my tab with koxudaxi kernel and it works like a charm.
Got over 3000 on quadrant score, pic is coming but what really impressed me is how it is smooth now with less less lag.Considering that kernel used is not at 100% i say that this is pretty awesome.
Uploaded with ImageShack.us

Rhaaaaaaaaaaaaaa Lovelyyyyyyyyyyy !!
Thanks For it !!

af974 said:
Thanks for your work Rodd.
Just to add some info, this was tested on my tab with koxudaxi kernel and it works like a charm.
Got over 3000 on quadrant score, pic is coming but what really impressed me is how it is smooth now with less less lag.Considering that kernel used is not at 100% i say that this is pretty awesome.
Uploaded with ImageShack.us
Click to expand...
Click to collapse
Are you using the koxudaxi gingerbread or froyo kernel?

Hello,
This is Run with Overcome ?!

GingerBread of course
caveman999 said:
Are you using the koxudaxi gingerbread or froyo kernel?
Click to expand...
Click to collapse

caveman999 said:
Are you using the koxudaxi gingerbread or froyo kernel?
Click to expand...
Click to collapse
look into the first post, it's for ginger

af974 said:
GingerBread of course
Click to expand...
Click to collapse
heh, I skipped right over that part in the original post...
Thanks

Leon_Citron said:
look into the first post, it's for ginger
Click to expand...
Click to collapse
the ext4 conversion should work with any kernel that supports ext4...not just gingerbread

I'm not sure that it works, Alterbridge wrote in his first post:
ROM FEATURES:
CIFS/EXT4 Support (thanks to Richard Trip!)
Click to expand...
Click to collapse
but he said nothing about kernel.
rurouniphana said:
Hello,
This is Run with Overcome ?!
Click to expand...
Click to collapse
EDIT: of course you can flash kouxdaxi kernel in Overcome rom and then apply this mod

rurouniphana said:
Hello,
This is Run with Overcome ?!
Click to expand...
Click to collapse
if you have questions if a kernel is compatible then you need to ask that kernel developer...i don't have a tab to test or time to pick apart every kernel to see how and if they implemented ext4

Yes it should work with the overcome kernel, as it includes ext4 modules in the kernel.

Thx !! Very good job !!

overclocking kernels will not work at the moment on overcome, be carefull....

abuser0815 said:
overclocking kernels will not work at the moment on overcome, be carefull....
Click to expand...
Click to collapse
Of course, Koxudaxi's Kernel works like a charm

Superb. Above 3k quadrant.
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Sent from my GT-P1000 using XDA App

Is this operation reversible? How to come back to old fs?
Thanks

Cannot boot
I was with the good kernel, flash the conver file, reboot, no reboot
I'm looking why at the moment.

How to check if the system is really in ext4 ?

Leon_Citron said:
Cannot boot
I was with the good kernel, flash the conver file, reboot, no reboot
I'm looking why at the moment.
Click to expand...
Click to collapse
The same thing is happening to me. I'm stuck at the Galaxy Tab and Samsung screen.

[APP] aZuZu Stock zImage Splitter 4 Windows Final

Anyway this is final version of command line samsung stock zImage Splitter
THIS TOOL CAN SPLIT STOCK IMAGES ONLY!
aZuZu Samsung Mobile Stock zImage Splitter, v1.02.3f. Final. (c) aZuZu. 2011.
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If this is not usefull please report to mod..

it is useful!!! thanks for ur work!

Thanks! Will test it later today!!

dupe post.....

i have problems with upload on server but new version can handle tegrak / chainfire..

Hi, thanks for your job
for my information, what is the purpose of a zImage splitter ?
Sent from my GT-I9100 using XDA Premium App

ok what is this thing?

Very helpful for DEVs in breaking ROMs down, kinda like "unzipping".

Thanks,
working on stock zImage KF2. (just to try it )
Is it possible to do the reverse process (on windows ) ?
I believe it's a bit more complicated (or impossible ?)
Noob question : Why decompiling a kernel when sources are free ?

i tried it but after extracting using the tool i only get empty folders ... am i doing it wrongly?

cruzzmz said:
i tried it but after extracting using the tool i only get empty folders ... am i doing it wrongly?
Click to expand...
Click to collapse
For the moment, it's working on stock zImage only

ok. folks! new version is up.. still in alpha but now supports all three formats
stock, tegrak, and chainfire are now supported.
WARNING: i have issuses with cygwin so there is special exe file run_cpio.exe in application folder which you can run manualy to unpack chainfire ramdisk.
enjoy!

sicopat said:
For the moment, it's working on stock zImage only
Click to expand...
Click to collapse
i am trying to extract the stock XXKF2 kernel
this is what i did
1. extract the .tar file
2. extract ur tool
3. copy the zImage to to ur tool folder
4. use cmd and use
Code:
asmzis zImage
all the zImage is extracted but inside all the folders are empty

cruzzmz said:
i am trying to extract the stock XXKF2 kernel
this is what i did
1. extract the .tar file
2. extract ur tool
3. copy the zImage to to ur tool folder
4. use cmd and use
Code:
asmzis zImage
all the zImage is extracted but inside all the folders are empty
Click to expand...
Click to collapse
by agrument is see you are using old version...
today i have upload new version. which can handle all three formats..
for now it is using additional argument..
so to unpack stock zImage command goes
asmzis zImage stock
so to unpack chainfire zImage command goes
asmzis zImage chainfire
so to unpack tegrak zImage command goes
asmzis zImage tegrak
old version could unpack only stock.
p.s next version will be back to old asmzip zimage becouse i will add detection for types..
plus fix for zimages w/o ramdisk.

Not to complain, but what could possibly be the use of dumping my kernels, aside from ripping my hard work off ? I mean, they are just the stock kernels + my modifications.

got error when extracting the ram disk ... 7z exe come out with error
i extract only stock zImage

cruzzmz said:
got error when extracting the ram disk ... 7z exe come out with error
i extract only stock zImage
Click to expand...
Click to collapse
i downloaded stock XXKF2 kernel what ever from here.. http://forum.xda-developers.com/showthread.php?t=1101671
also fixed error in 7z call procedure and reupload all now should be ok ...

Chainfire said:
Not to complain, but what could possibly be the use of dumping my kernels, aside from ripping my hard work off ? I mean, they are just the stock kernels + my modifications.
Click to expand...
Click to collapse
Well if they are stock kernels and somebody wanted to test cf-root with for example tegrak kernel? Shouldn't that be allowed to him / her? If not say a word and i will remove application from server. Sorry if i offended you in any way. I just thought that this appliction could be usefull.

damn server.. now patched version should be uploaded...

Thanks, will wait for the recompiling solution

[DEV] Compiling *working* a kernel from source

Has anyone done it?
I did a few runs with the m2_att_defconfig and the defconfig I pulled from the stock boot.img but I've had no luck with either. I'm fairly certain I'm repacking my boot.img back correctly, but that could be an issue as well.
I've uploaded the kernel source to github as well as the defconfig I pulled from my phone in case someone wants to save some time.
I wonder if the ominous "QUALCOMM SECUREBOOT: ENABLE" has anything to do with it too.
Anyone have any thoughts? Ideas?
Please stay on topic here
======================================================
Edit
mdeejay is a genius. It works with the following:
Code:
./mkbootimg --cmdline "console=null androidboot.hardware=qcom user_debug=31" --kernel zImage --ramdisk ramdisk.gz --base 0x80200000 --ramdiskaddr 0x81500000 -o ./boot.img

I have been getting nothing but errors, can't figure it out. I'm trying for just stock right now.
Sent from my SGH-T999 using Tapatalk 2

Romanbb
try it

Have been working on this 'problem' now for nearly a week with testers (I have the International gsm model) and no luck at all. Tried unpacking/repacking with/without the command line using manaul methods and automatic but always hit a bootloop.
I NEED to be able to work with these boot image for AT&T/VERIZON/SPRINT and also TMOBILE for my US S3 ToolKit so if anyone has any insight what is needed to successfuly repack the boot image please share. I have been working with boot images from NAND backups as that was the only image available to me until yesterday when Adam Lange published the Odin Stock Roms for all the carriers so I will have another go today with those.
@ mdeejay is that a repacked boot image for Tmobile? If so and its worked for you please could you share how you managed it?
Mark.

mskip said:
@ mdeejay is that a repacked boot image for Tmobile? If so and its worked for you please could you share how you managed it?
Mark.
Click to expand...
Click to collapse
yes. its for tmobile
i cant test. i dont have device
you can try same way http://forum.xda-developers.com/showthread.php?t=1584919 create boot img with correct offsets for sgs3
i think its useful for all msm8960 devices

mdeejay said:
yes. its for tmobile
i cant test. i dont have device
you can try same way http://forum.xda-developers.com/showthread.php?t=1584919 create boot img with correct offsets for sgs3
i think its useful for all msm8960 devices
Click to expand...
Click to collapse
Ok thanks for the info I will check it out
Mark.

mdeejay is a genius!
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Romanbb said:
mdeejay is a genius!
Click to expand...
Click to collapse
Hey Romanbb I havent had a chance to look at this yet do you mind sharing the params you had to use packing the boot image.
Thanks, Mark.

mskip said:
Hey Romanbb I havent had a chance to look at this yet do you mind sharing the params you had to use packing the boot image.
Thanks, Mark.
Click to expand...
Click to collapse
already edited the OP with what I used to repack the ramdisk

Romanbb said:
already edited the OP with what I used to repack the ramdisk
Click to expand...
Click to collapse
Thanks I will give it a try when I get home
Mark.

Could you please post how you got a working build environment or the guide you used to make one? I think my Ubuntu is giving me problems.
Sent from my SGH-T999 using Tapatalk 2

brfield said:
could you please post how you got a working build environment or the guide you used to make one? I think my ubuntu is giving me problems.
Sent from my sgh-t999 using tapatalk 2
Click to expand...
Click to collapse
you are giving ubuntu problems. Linux is infallible.

The Pope of Dope said:
you are giving ubuntu problems. Linux is infallible.
Click to expand...
Click to collapse
Lol, that is great!
But seriously, I cannot get a Kernel to build. It does everything but output the damn thing lol.

brfield said:
Lol, that is great!
But seriously, I cannot get a Kernel to build. It does everything but output the damn thing lol.
Click to expand...
Click to collapse
sudo apt-get install build-essential
???

The Pope of Dope said:
sudo apt-get install build-essential
???
Click to expand...
Click to collapse
Will try this if my current adventure doesn't work

roman, can u please drop one for at&t?? I don't have computer so can't build one. So requesting you to just make one oc for att version! Thnx

Haven't got my phone yet, but been doing some reading for when I do and according to this: https://developer.qualcomm.com/sites/default/files/snapdragon-specs.pdf and your latest source edits, it doesn't look like these processors necessarily support all these frequencies (they seem pretty limited compared to the Exynos). do they hold up very well?

I compiled mkbootimg from source, and for some reason it wont let me use the --ramdiskaddr option.
If I take that out then it compiles a boot.img but it isn't bootable.

brfield said:
I compiled mkbootimg from source, and for some reason it wont let me use the --ramdiskaddr option.
If I take that out then it compiles a boot.img but it isn't bootable.
Click to expand...
Click to collapse
https://www.dropbox.com/s/rz9ymlbur0zh7ll/mkbootimg