On Sep 12, 2004, at 9:59 AM, Igor Shmukler wrote:
Why do you think that 970 does not have BAT registers?
There are 16 special purpose registers specifically to implement Block Address Translation.
Because Peter already told us that they have no BAT registers:
http://lists.freebsd.org/pipermail/freebsd-ppc/2004-February/000359.html
I don't know what's a story with fan-drivers. Personally, I was under impression that G5 has liquid cooling system.
Not that should be a major show stopper for FreeBSD support of G5 boxes.
Only one Apple [G5 2.5GHz PowerMac] is liquid cooled and it still has fans that are controlled by software on Mac OS X. Early versions of Linux had them on "full-blast" in order to avoid potential overheating.
YellowDog Linux was the first one to support these fans with drivers if I remember correctly outside of Apple.
AFAIK, PPC port of FreeBSD is incomplete, but moving ahead quite fast.
I am not sure what kind of stack protection was referred in the original email. OpenBSD has propolis, but I was under impression there is no such option in FreeBSD. I recall that it was decided that security by obscurity will not make it into the kernel.
I don't think we have G5 support yet. G5's are significantly different
from G4s in a few ways that really matter to operating systems.
Missing BAT registers and other "fun stuff" like fan-drivers have meant
that even platforms that support 64bit PPC don't necessarily support G5
[like the L4 microkernels I've been playing with]
Dave On Sep 12, 2004, at 2:30 AM, [EMAIL PROTECTED] wrote:
Hello,
I'm planning on buying an Apple Xserve G5 bi-processor. I know mac os X (server) is running on it and that's a modified version of freebsd. So here are my questions :
- I've been using freebsd for a while now and if I buy the Xserve I'd
very much
like to replace mac os X by a freebsd 5.2 / 5.3 if this is possible. My
motivations are that I want to make intensive use of Jails and
Mandatory Access
Control (MAC). I'd also like to recompile the whole thing with stack
protection
(if possible).
Yet I have no idea if Mac os X can run jails, and MAC (anyone an idea here ?), but if not, I'd switch to Freebie.
So in general : - has anyone experienced the change - would it be difficult to replace OS X by FreeBSD ? - would it be possible to run these options (Jails,MAC,stack protection) on this hardware ?
Thanks for the hints, because I'm a little lost.
By, Jade.
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