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TLB misses on UltraSPARC-IIi

To: port-sparc64%netbsd.org@localhost
Subject: TLB misses on UltraSPARC-IIi
From: raymond.meyer%rambler.ru@localhost
Date: Wed, 2 Apr 2008 17:54:03 +0100

When a TLB miss occurs on UltraSPARC-IIi, it issues a trap to system software, 
which fills the TLB. Other processors have hardware support to automatically 
service TLB misses. 

My question is, why UltraSPARC-IIi does not provide such hardware support? Is 
it because to reduce the cost of manufacture? Or are there any advantages of 
handling TLB misses in software?

Follow-Ups:
- Re: TLB misses on UltraSPARC-IIi
  - From: Eduardo Horvath

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