From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: Date: Wed, 22 Sep 2004 16:18:59 -0700 From: geoff@collyer.net To: 9fans@cse.psu.edu Subject: Re: [9fans] Hardware for venti/fossil/cpu server In-Reply-To: <30255.192.11.222.118.1095913559.squirrel@www.infernopark.com> MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Topicbox-Message-UUID: e7167516-eacd-11e9-9e20-41e7f4b1d025 Plan 9's kernel would need some work to ensure that it would run using 64-bit addresses (64-bit integers are supported), and 8[cal] would need to generate the 64-bit instruction prefixes. My impression is that it's less work than a port to a brand-new 64-bit processor but not completely trivial, as the kernel would need at least an inspection for places where pointers are assumed to be 32 bits wide.