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Re: [openrisc] Multiprocessing and virtual memory

To: openrisc@opencores.org
Subject: Re: [openrisc] Multiprocessing and virtual memory
From: Marko Mlinar <markom@opencores.org>
Date: Fri, 18 Oct 2002 07:59:50 +0200
In-Reply-To: <200210171643.g9HGh9Q08559@www.lampret.com>
References: <200210171643.g9HGh9Q08559@www.lampret.com>
Reply-To: openrisc@opencores.org
Sender: owner-openrisc@opencores.org
User-Agent: KMail/1.4.1

On Thursday 17 October 2002 18:43, mbtirado@mundivia.com wrote:
> In OR1200 page table can not be duplicated for every CID because CID
> bits are hardwired to zero! Is possible to run an operative system with
> virtual memory on OR1200 CPU?
I though you were asking me how the system works if you have CIDs.

Yes, of course it is possible. MSB 4bits of virtual address (CID bits) are 
just ignored; you then get normal virual memory architecture.

Marko

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References:
- Re: [openrisc] Multiprocessing and virtual memory
  - From: mbtirado@mundivia.com

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