Out of curiosity,

What makes a card support mmap directly in general? And what would be 
missing?

Gerard



Anders Torger said at "Re: rme96 and mmap, bug?."r[2002/11/27 18:13]


> The hardware does not support memory mapped I/O, so it is copied by the 
> CPU in the interrupt handler. Thus for that card you gain nothing from 
> using memory mapped I/O, it was only implemented for compability.


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