[uClinux-dev] Eb55 boot problems.
mathieu-rousseau at ifrance.com
Tue Mar 4 09:47:47 EST 2003
ok, so i cannot just make uClinux run from flash, it needs SRAM...
it needs some stuff to be in ram...
and another question... I have my image.bin, i just put it in flash and it should work right?
On Tue, 4 Mar 2003 14:20:57 +0100 (CET)
Christian Pellegrin <chri at infis.univ.trieste.it> wrote:
> On Tue, 4 Mar 2003, Mathieu Rousseau wrote:
> > Hi thanks
> > I already saw this, not very very much information. but anyway, i want to run uClinux from from, theorically it's possible, right? But at boot will it recopy completly in RAM? if yes, sure i can't run uClinux, but if execution is from the flash, i think it's possible.
> > what do you think?
> Well you can take a 2.0 kernel and have a look at how much stuff has to be
> in ram (take the difference _end - _etext in System.map). Then you need to
> account for the heap memory for the kernel and there must be something
> left for user space applications ..... there won't be much memory left I
> guess. Linux is wonderful but for very low footprint I would prefer eCos
> (I run it with great satisfaction (with lwIP for TCP/IP) on an eb40a with
> only 256kb internal SRAM).
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