Date: Tue, 8 Mar 2005 08:20:21 -0800 (PST) From: "Kamal R. Prasad" <kamalpr@yahoo.com> To: John Baldwin <jhb@FreeBSD.org> Cc: hackers@freebsd.org Subject: Re: using segmentation to manage memory in FreeBSD Message-ID: <20050308162021.67813.qmail@web52702.mail.yahoo.com> In-Reply-To: 6667
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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:-). ------------------------------------------------------------ __________________________________ Celebrate Yahoo!'s 10th Birthday! Yahoo! Netrospective: 100 Moments of the Web http://birthday.yahoo.com/netrospective/
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