RE: [MiNT] AES in kernel

[Jo-Even.Skarstein@vital.no]

> -----Original Message-----
> From:	Vincent Manuel Barrilliot [SMTP:vbarr@cme.nist.gov]
> Sent:	Tuesday, January 09, 2001 4:57 PM
> To:	mint@fishpool.com
> Subject:	RE: [MiNT] AES in kernel
> 
> I see the GEM as a package. The VDI is the low-level stuff, the AES is the
> 
> high-level stuff.
> I wouldn't like the AES to have to deal with various formats of /dev/mouse
> or 
> /dev/keyboard. Drivers and hardware-dependant I/O are the VDI's domain I
> think.
> 
What's the difference between accessing the hardware through a MiNT-device
and a VDI-device? I'd rather see as much hardware as possible handled by the
kernel, instead of cluttering the VDI with it. Having to deal with the
graphics card is enough IMO.

> I don't remember how the mouse packets are formatted when they come out
> from the 
> /dev/mouse, but if it's different from Linux to FreeMiNT, I'd rather have
> to 
> 
It's in SUN-format IIRC. But if other formats are more suitable I don't
think it would do any harm to change it.

> write only one driver for the VDI, not one for XaAES, one for oAESis etc
>:)
> 
You wouldn't have to. You could write one driver, and the VDI, oAESis, XaAES
etc. could all use it.

> And the AES should use the VDI for its input, otherwize mouse accelerators
> 
> installed with the vex_motv() VDI function won't work.
> 
No big loss. The speed of the cursor should be configured in the device
instead. Ditto with screensavers. After all, what's the point of designing a
MP-friendly and clean AES and VDI if you allow applications to hook into
internal vectors?

Jo Even Skarstein

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