[Xen-devel] Multiple Address versus single AS Operating System

[VISHAL MALIK <sunnymak04@xxxxxxxxx>]

Sorry, I sent the email to the incorrect list.

My applogies.

Sunny.

VISHAL MALIK <sunnymak04@xxxxxxxxx> wrote:

Date: Thu, 16 Jun 2005 10:39:40 -0700 (PDT)
From: VISHAL MALIK <sunnymak04@xxxxxxxxx>
Subject: Multiple Address versus single AS Operating System
To: xense-devel@xxxxxxxxxxxxxxxxxxx
CC: sunnymak04@xxxxxxxxx

All,

I was wanted to confirm and also find out what people think is the main difference

between multiple address space Operating systems and single address space

operating systems.

 

Intel is a MAS platform as the cache's are physically indexed whereas

most of the RISC processors have Single Address space Operating system

architecture due to the fact that the caches are virtually indexed.

 

(in a VI-cache, you access the cache and tlb at the same time).

 

I have been trying to ask if the above assertion is correct or we can have

a MAS-OS on RISC platforms too? And if yes, then from a hardware

perspective, what is the defining criteria to have a SAS-OS or MAS-OS.

 

Thanks in advance for help.

Sunny.

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