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	Tue, 08 Mar 2005 08:20:21 PST
Date: Tue, 8 Mar 2005 08:20:21 -0800 (PST)
From: "Kamal R. Prasad" <kamalpr@yahoo.com>
To: John Baldwin <jhb@FreeBSD.org>
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Subject: Re: using segmentation to manage memory in FreeBSD
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--- John Baldwin <jhb@FreeBSD.org> wrote:
> On Tuesday 08 March 2005 09:05 am, Ravi Krishna
> wrote:
> > Hi all!
> >
[snip]
> 
> Segments just provide a base + offset into the
> virtual address space that is 
> backed by the TLB mappings, so to make this
> practically useful would be a lot 
> more work than would first appear because your
> segments have to map virtually 
> contiguous memory.
> 
If I had a processor with no MMU, but only memory
protection and a segment register, can I port freebsd
onto that architecture? I mean, use the segment
register to provide for non-conflicting process
spaces.

thanks
-kamal


------------------------------------------------------------
Kamal R. Prasad
UNIX systems consultant 
kamalp@acm.org

In theory, there is no difference between theory and practice. In practice, there is:-).
------------------------------------------------------------


	
		
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