[uClinux-dev] bare uclinux

[Masoud Fatollahy]

Hi,
 
I am a engineer which is working to find a good developing platform for our 
product. I have searched and find uClinux very interesting and want to work 
with it and try to add our applications. But I need only a base platform 
which compile and build a kernel with included application, and don't want 
to add all other applications which are added outside of the kernel, since 
we are going to use our own applications and want to keep the size smal.
 
I would be very happy and thankful if you can help me to setup such a 
platform using uClinux.
 
just minimum needed packages to have uClinux working with the kernel and 
comipling for different targets.
 
Regards,
 
/Masoud

 


-----Original Message-----
From: Erwin Authried <eauth at softsys.co.at>
To: uClinux development list <uclinux-dev at uclinux.org>
Date: Mon, 19 Nov 2007 08:11:22 +0100
Subject: Re: [uClinux-dev] How to use ioremap in a program



Am Montag, den 19.11.2007, 06:42 +0100 schrieb Siegfried Müller:
> Hi,
> I want to use ioremap in user-program and not in a driver. I tried to
> compile my program, but i got the error "undefined reference to
> __ioremap". What must i do in the makefile to get this compiled? (i
> already inlcuded asm/io.h)
> Well, i know it is dirty to use direct io-access in a user program, but
> i need a fast access.
> Kind regards
> Siegfried
Hi,
ioremap isn't for user space. For most nommu architectures, ioremap is
just a dummy function that returns the address 1:1. 

Regards,
Erwin


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