[ECOS] What's the definition of VROM memory region used for?

[Cristiano Ligieri Pereira]

Is this something specific to the IQ80310? Or it's something tighened to
the arm hal and hence should be present in all the ARM ports?

I don't remember to have seen this in other ports...

thanks again,
Cristiano.

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Cristiano Ligieri Pereira - http://www.ics.uci.edu/~cpereira

> Its part of the trickery with fixed_vectors on the IQ80310. Flash is at
> address zero, but that is where the CPU looks for exception vectors and
> where the arm hal expects the exception vectors to be. VROM is the 4K
> page which maps virtual address zero (where the vectors need to be) to 
> RAM so that the vectors are writable.
> 
> --Mark
>