[Buildroot] How to make uImage compressed

Thomas Petazzoni thomas.petazzoni at free-electrons.com
Tue Nov 23 21:57:45 UTC 2010

On Fri, 12 Nov 2010 17:55:41 +0100
Stefan Pachner <stefan_pachner at gmx.net> wrote:

> I am new to buildroot. I am happy to be able to generate a booting  
> uImage for my board and wonder how to generate a compressed one. u- 
> boot is claming that my uImage is uncompressed.

On ARM, the internal kernel compression is used, and not the
compression offered by mkimage/uImage. So even if mkimage claims your
image is not compressed, it in fact is.

Unless you're not talking about ARM, of course.

Thomas Petazzoni, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.

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