[ECOS] ARM - RAM region at other address than 0

Doyle, Patrick WPD@dtccom.com
Mon May 19 20:48:00 GMT 2003


> 
> At one point I had a hacked version of vectors.S that worked
> with ROM at 0.  It did the "double vector" thing (not very
> pretty).  After tiring of the requirement to maintain my own
> vectors.S, I finally swapped ROM/RAM -- life is easier that
> way.
> 
> If the 5471 doesn't have some sort of software-controlled
> chip-select logic, then when you lay out your board you should
> add a couple gates to allow two of the chip selects to be
> swapped.
> 
That's what I remember!  Spectrum Digital put a "swap chips selects"
register in their FPGA.

Thanks Grant...
--wpd

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