Re: L68K: Re: Afterburner and Linux

From: Thomas Kruse <>
Date: Sat, 06 Jun 1998 16:42:28 +0200

Hi Bernd (and all others, too ;-) ),

>It should be clear that if caching is disabled completely no
>inconsistencies can ever occur. And weather snoopiing is disabled/broken
>or not is simply irrelevant then.
Of course.

>A24..A31 to be zero and thus FastRAM is NEVER accessed.
That's why DMA to Fastram does not work....

>1. I see no reason why the 32 bit wide FastRAM cannot be snooped.
>2. Noone can generate inconsistencies there and snooping is irrelevant.
Hey... that's a great solution :-)
But simply turning of the Cache on the ST-RAM did not work for me. There
must be something different (someone told something about cached

>Further the 16 bit wide RAM should only be used for special purposes
>(Graphics, DMA-Buffers, Swap-space)
With a graphics card even not for graphic!)
I will try the without-anything kernel sometime later this day and post the
results here.

Bye, Thomas


Thomas Kruse < > Telefon: (+49)2501-276527
Heideggerstrasse 4 < > Fax: (+49)2501-276528
48165 Muenster < >
G e r m a n y < >

Received on lø. juni 06 1998 - 17:16:00 CEST

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