Re: [ECOS] Minimum Footprint of eCos

[Jonathan Larmour <jlarmour at redhat dot com>]

"Ashok I." wrote:
> 
> Hi
> 
> In the ecos faq Its is mentioned that minimum foot print is 3k ROM n 1k
> RAM

For one particular target - not all of them! It's patently untrue for e.g.
hardware that requires non-trivial MMU tables.

> But using the config tool I could only get a footprint of 7k ROM n 3k
> RAM
> The packages i Have
> are
>         eCos Kernel( with all features disabled)
>         eCos Infrastructure( with bare minimum features )
>         eCos HAL( with bare minimum features )
> 
> These is the least configuration which i could build.
> 
> If there is some other way of configuring the eCos please let me know.
> Or if there is some other option to be used, please let me know

Yes, there are plenty of options inside each of these packages than can be
tweaked. Generate a linker map using "-Wl,-Map,mymapfile" on the link line
to determine where the ROM/RAM is going and thus what to tweak.

Jifl
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