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SubjectRe: Direct access to hardware
On Sun, 23 Jul 2000, Ville Herva wrote:

>> >> XFree86
>> >
>> >X, dosemu and VMWare.
>>
>> X does, however DOSemu does not need direct access necessarily.
>> It depends on how it is configured, and what you need it to do.
>>
>> VMware creates a virtual hardware environment which is
>> implemented by talking to linux device drivers. No linux driver,
>> no hardware in VMware. I do not believe VMware touches the
>> hardware directly for anything, at least not according to them.
>
>How is DGA implemented in X? Doesn't that allow the app to talk directly
>to the video card? VMWare uses that, although it is not necessary for
>VMWare to work.

Correct, VMware works without DGA, but most people likely use it
with DGA. I never thought of that, and am not entirely sure how
DGA works...

>Of course, if you use VMWare, you propably use X.

Certainly. Good point.

--
Mike A. Harris Linux advocate
Computer Consultant GNU advocate
Capslock Consulting Open Source advocate

... Our continuing mission: To seek out knowledge of C, to explore
strange UNIX commands, and to boldly code where no one has man page 4.


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