Re: Linux kernel 3.2.0-3-amiga misses Cyberstorm 1 SCSI
On Mon, 19 Nov 2012, schmitz wrote:
> No length field - must have relied on the ESP interrupt to terminate the
> transfer.
I think that for PIO, it doesn't matter. On the other hand, if there is a
DMA controller on the board, a schematic would probably answer your
question, and PIO doesn't matter.
>
> Does Mac ESP PIO run in some sort of coroutine?
No, and I doubt that the ESP core could accomodate that given that so much
processing happens via the interrupt handler (i.e. when interrupts are
disabled).
Finn
>
> Cheers,
>
> Michael
>
>
>
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