Subject: Re: Anybody interested in porting NetBSD to the Sun OpenSparc T1
To: Volker A. Brandt <vab@bb-c.de>
From: Thomas E. Spanjaard <tgen@netphreax.net>
List: port-sparc64
Date: 06/04/2006 21:51:09
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Volker A. Brandt wrote:
> [I've kept just port-sparc64 and dropped tech-kern.]

I'm not on that list; please CC me replies.

>>>Getting this to work would be a big step forward for the Sparc64 port
>>>and SMP on NetBSD in general.
>>Hmm, I'm not sure how much the T1 resembles III and IV, but it would be
>>a good thing if those were supported as well. As well as SMP on sparc64,
>>ofcourse. But given the fact that support for those is currently
>>lacking, I'm not sure how soon it'll surface?
> I have no idea how soon.  The chip is binary-compatible to sparcv9,
> but there are some differences under the hood.  The platform is
> called "sun4v" (as opposed to "sun4u), and there is a hypervisor
> layer "below" the OpenSparc cores.

'Sources' say it's sooner than I was thinking initially ;).

> The difference is that for USIII and USIV, not all documentation
> is available.  For the T1, there is...

OpenSolaris can function as hardware reference.

Cheers,
-- 
         Thomas E. Spanjaard
         tgen@netphreax.net

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