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Re: MkLinux Installation

On Wed, 22 Aug 2001, Daniel Parks wrote:

> Anyone know how much work it would be to get Nubus cards working
> under MkLinux? I imagine it's more work than just copying code from
> the Linux-nubus kernel, but how much more?

You can't use the Linux nubus code. You'd have to use the NetBSD code. I
got a lot of the early work done on that effort already, but ran into a
rather nasty snag that I couldn't resolve at the time. Specifically, for
the code to work correctly, it needs to wire down memory to a particular
physical address and then unwire it. I wasn't able to find a mechanism to
do that in the Mach VM implementation (but there should be one somewhere,
I -hope-).

It's one of those things that could proably be done in a week or so of
good heavy pounding, at least to get the core nubus support up and
running. Of course, then you have to port drivers for individual cards,
but there are good examples of that already (the tulip driver came from
NetBSD with minimal changes).


Later,
David

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References: 
 >Re: MkLinux Installation (From: Daniel Parks <email@hidden>)



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