From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from oss.sgi.com (localhost [127.0.0.1]) by oss.sgi.com (8.12.3/8.12.3) with ESMTP id g4FLmbnC002288 for ; Wed, 15 May 2002 14:48:37 -0700 Received: (from majordomo@localhost) by oss.sgi.com (8.12.3/8.12.3/Submit) id g4FLmbGb002287 for linux-mips-outgoing; Wed, 15 May 2002 14:48:37 -0700 X-Authentication-Warning: oss.sgi.com: majordomo set sender to owner-linux-mips@oss.sgi.com using -f Received: from nevyn.them.org (mail@NEVYN.RES.CMU.EDU [128.2.145.6]) by oss.sgi.com (8.12.3/8.12.3) with SMTP id g4FLmWnC002284 for ; Wed, 15 May 2002 14:48:32 -0700 Received: from drow by nevyn.them.org with local (Exim 3.35 #1 (Debian)) id 1786d8-0000WX-00; Wed, 15 May 2002 17:48:18 -0400 Date: Wed, 15 May 2002 17:48:18 -0400 From: Daniel Jacobowitz To: Matthew Dharm Cc: Linux-MIPS Subject: Re: MIPS 64? Message-ID: <20020515214818.GA1991@nevyn.them.org> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.1i Sender: owner-linux-mips@oss.sgi.com Precedence: bulk On Wed, May 15, 2002 at 02:34:47PM -0700, Matthew Dharm wrote: > So... I'm looking at porting Linux to a system with 1.5GiB of RAM. > That kinda blows the 32-bit MIPS port option right out of the water... Not unless you count bits differently than I do... 32-bit is 4 GiB. Is there any reason MIPS has special problems in this area? > > What does it take to do a 64-bit port? The first problem I see is the > boot loader -- do I have to be in 64-bit mode when the kernel starts, > or can I start in 32-bit mode and then transfer to 64-bit mode? > > I looked in the arch/mips64/ directory, but I don't see much for > specific boards there, but there are references to the Malta > boards.... > > Matt > > -- > Matthew D. Dharm Senior Software Designer > Momentum Computer Inc. 1815 Aston Ave. Suite 107 > (760) 431-8663 X-115 Carlsbad, CA 92008-7310 > Momentum Works For You www.momenco.com > > -- Daniel Jacobowitz Carnegie Mellon University MontaVista Software Debian GNU/Linux Developer