[ECOS] Re: ecos mem footprint with HTTPD support

Sergei Gavrikov sergei.gavrikov@gmail.com
Wed Jul 15 14:17:00 GMT 2009


On Wed, Jul 15, 2009 at 07:35:01PM +0530, Mandeep Sandhu wrote:
> On Wed, Jul 15, 2009 at 7:27 PM, Sergei
> Gavrikov<sergei.gavrikov@gmail.com> wrote:
> > Mandeep Sandhu wrote:
> >>
> >> seems like a std error? now back to reading your reply :) .....
> >
> > That error is not surprise for small memory footprint targets. I hope
> > you get it. That trick did not fit an external RAM on your board, It did
> > deceive linker and then you can use `size' utility.
> 
> Yes, I suspected that much. But tell me, where does the linker get the RAM
> size constraint for the atmel board...i.e the sam7ex256? It must be configured
> somewhere...as part of a template...no?
> 
> Couldn't we have "added" RAM there?
> 

That is defined in plf mlt files. I guess here for your target
hal/arm/at91/at91sam7s/current/include/pkgconf/mlt*

[snip]

> Do you think 256K RAM will be enough to run a similarly configured
> system (with additional USB device and SPI driver support) on ARM7
> based embedded SoC?

IMO, it will be possible, if you will use lwIP TCP/IP stack.

Sergei

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