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Root Virtual Box

Savage Shadows

Savage Shadows

Android Enthusiast
I downloaded Virtual Box from Oracle, and am running Ubuntu 12.04 with the purpose of working on kernels for Android. I've read that Perl is a good program to unpack boot.img files. Should I use Perl, or is there something else I should use?

Or, should I not even be using a virtual machine to unpack and edit? I'm running Windows 7 Ultimate.

I'm sure I'll have other questions along the way, I'm just starting to learn. So I decided to open a thread to post them instead of posting these unrelated question in other threads.
 
Savage Shadows said:
I downloaded Virtual Box from Oracle, and am running Ubuntu 12.04 with the purpose of working on kernels for Android. I've read that Perl is a good program to unpack boot.img files. Should I use Perl, or is there something else I should use?

Or, should I not even be using a virtual machine to unpack and edit? I'm running Windows 7 Ultimate.

I'm sure I'll have other questions along the way, I'm just starting to learn. So I decided to open a thread to post them instead of posting these unrelated question in other threads.
Click to expand...

Unpacking a boot image will serve no purpose on building kernels. The kernel image is inside the boot.img and is already compiled as the zimage. Then to build a kernel you don't need to unpack the boot.img either.

Edit: Sorry missed the spot where you said you had ubuntu setup. If setup you need to setup your dev tools, sdk, get a toolchain and the kernel source. O and ditch ubuntu it blows, install mint...
 
2fast4u88 said:
Unpacking a boot image will serve no purpose on building kernels. The kernel image is inside the boot.img and is already compiled as the zimage. Then to build a kernel you don't need to unpack the boot.img either.

Edit: Sorry missed the spot where you said you had ubuntu setup. If setup you need to setup your dev tools, sdk, get a toolchain and the kernel source. O and ditch ubuntu it blows, install mint...
Click to expand...

+1 on mint
And if you are on a compatible 64 bit machine and ask nicely 2fast might even share his custom bfs linux kernel....

:)

Sent from my HTC Hero S using Tapatalk 2
 
Also. What toolchain would you recommend? I see different ones use different codes. I've only ever learned html and c++, and I understand I will have to learn probably a couple different languages. But I do understand the basics of code and can catch on without much trouble. So, yeah, toolchain suggestions? And what languages should I be trying to learn?
 
Not to be a d!ck but did you read the read me in the kernel source? If so I believe it says 4.4.3. Where you are welcome to use which ever you feel like, but I notice really not difference. Right now I have reverted back to the one supplied via aosp. If you want to use a newer version depending on the version the source may need to be edited to build. That or it may break some things as well.

As for the code I am pretty sure you could have found it searching. But it is c and assembly code. I was planning to do a guide but haven't got that far. How ever all you really need to know is the following:

  • Download source and extract
  • Set makefile in root of source to point to your toolchain. Look for the cross compile line.
  • Do not use the supplied kingdom config as it doesn't work. You will need to pull the one from the stock kernel.
  • Place .config in your source
  • Cd source
  • Make menuconfig and edit options you want
  • Then type make or make -j4 for good measure
 
Sorry, I think I'm trying to go faster than I should. Maybe I'll just tinker around, and then just learn what I need to when I get to that point.
 
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