[ECOS] memory footprint info for ecos configurations

[Andrew Lunn]

On Wed, Feb 01, 2006 at 12:12:26PM -0600, Sundius, Michael wrote:
> Hi
> 
>  I was looking for some information regarding the (code and data) size
> of various components of ecos for a Mips configuration..
> 
>  
> I'm sure that someone out there has compiled a list of such stuff I just
> didn't see it in the docs or by googling it

No really figure exist.

> 
> I'm evaluating ecos and need to give the boss some facts regarding how
> much 
> sdram we'll need On our device. If there are resources for determining
> memory requirements from a configuration description, That would be
> really useful and greatly appreciated

The footprint does not really depend on the configuration. It depends
on what your application actually uses. Any parts of eCos your
application does not use the linker will throw away. So eCos for a
"hello world" world program which just uses diag_printf will be a lot
smaller than for a complex application which uses many eCos provided
functions. Yet the configuration is exactly the same.

        Andrew

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