Building kernel modules for L4Linux

[Nourhan Mohamed]

No thanks i will try that! Thank you for the help

Nourhan
On Feb 2, 2016 3:20 PM, "Paul Boddie" <paul at boddie.org.uk> wrote:

> On Tuesday 2. February 2016 14.44.34 Nourhan Mohamed wrote:
> >
> > I wanted to build a simple character device module for L4Linux on ARM
> > device.  However, I don't know who should I compile it for the L4Linux
> > version (version 4.3.0). Can you please help me with what files should I
> > download to cross compile the module and what should be included in the
> > Makefile? My machine is a 64-bit machine running Ubuntu with Linux kernel
> > version 4.3.3.
>
> I know that others will be able to offer far more assistance than I can,
> but
> is the problem related to cross-compiling in general or the specific task
> of
> cross-compiling the module?
>
> On the more general topic, I've been using Debian to cross-compile L4Re and
> Fiasco.OC, and it's been possible to use the cross-toolchains in the
> unstable
> version of Debian. I guess the following packages are relevant for ARM:
>
> https://packages.debian.org/sid/gcc-arm-linux-gnueabi
> https://packages.debian.org/sid/gcc-arm-linux-gnueabihf
>
> I've been using the following package for MIPS:
>
> https://packages.debian.org/sid/gcc-mipsel-linux-gnu
>
> I believe that Ubuntu has raced ahead with some aspects of providing cross-
> toolchains for ARM, and I found these:
>
> http://packages.ubuntu.com/xenial/gcc-arm-linux-gnueabi
> http://packages.ubuntu.com/xenial/gcc-arm-linux-gnueabihf
>
> On a slightly less general topic, I've followed these instructions for the
> most part to get L4Re and Fiasco.OC cross-compiled:
>
> https://github.com/MIPS/fiasco-l4re/blob/master/HOWTO.fiasco-l4re#L75
>
> The SYSTEM_TARGET setting seems to be pertinent here.
>
> I also found that I needed to do this (for MIPS):
>
> ln -s /usr/share/pkg-config-crosswrapper
> /usr/bin/mipsel-linux-gnu-pkg-config
>
> But I did read once that Ubuntu's packages set up various symbolic links
> for
> ARM (ignoring the need to do this generically for many architectures).
>
> And I also found that I needed to change src/l4/mk/Makeconf so that the
> correct pkg-config would be used:
>
> PKG_CONFIG      = $(SYSTEM_TARGET)pkg-config
>
> I hope this isn't telling you things you already know, and I can't help you
> with your specific topic of Linux module compilation, unfortunately.
>
> Paul
>
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