Boot.img

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Can someone post good guide for editing files in boot.img. I know how to unpackk, repack and compile, but don't know how to edit. In guides that I find they say "edit all you want" or something like that, but don't say HOW.


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?

Just open the files of the unpacked ramdisk (for example init.rc) with the editor you prefer and edit it...

Or replace the kernel file and repack it..

You don't understand me. How to make or edit files inside kernel?

You have to recompile it...
There is no other way i know...

Get the source from here
https://github.com/tsh/folio100
Install a cross-compiler (for example CodeSourcery)
start your folio with a kernel you like and get a working config (/proc/config.gz) and copy int into the kernel directory
gunzip it and then
make CROSS_COMPILE=arm-none-linux-eabi- ARCH=arm -j20
I dont know the name of the cross-compiler files.. Maybe they are a little bit different.
-j20 defines how many parallel compiling threads you like to have...
After that you'll have your compiled kernel @ /arch/arm/boot/zImage

And before compiling you are able to make some changes on the kernel..
But not on an compiled kernel..

Thank's!!!

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Originally Posted by Jon2555

Can someone post good guide for editing files in boot.img. I know how to unpackk, repack and compile, but don't know how to edit. In guides that I find they say "edit all you want" or something like that, but don't say HOW.


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Here is my small Howto - unpack, edit, repack boot.img under Ubuntu with all scripts and compiled tools needed
http://forum.xda-developers.com/showthread.php?t=915808