Can we run RTEMS under AT91SAM7S256?

Yanjun Luo yjluo at panjet.net
Thu Oct 21 04:51:29 UTC 2004


> I doubt you could get RTEMS to fit in the smallest device (8K RAM /
> 32K Flash). It might be possible to fit it in the second smallest 
> (16K RAM / 64K).
Yes, I think so. So I say AT91SAM7S256,almost the largest one.
Because we must leave some room for application.

> The larger devices (32K+ RAM / 128K+ Flash) should work, albeit with 
> small applications. For comparison, here's the output of arm-rtems-size
> for hello and ticker on the edb7312:
>    text    data     bss     dec     hex filename
>   87391    2816   20992  111199   1b25f arm-rtems/edb7312/samples/hello.exe
>  114215    2868   20736  137819   21a5b arm-
rtems/edb7312/samples/ticker.exe
> 
> I'm sure those could be reduced some with effort.
Maybe I'll try this when I can get this chip.
This chip is very attractive to me:-)




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