From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Mon, 09 Jun 2003 16:44:40 +0100 (BST) Received: from crack.them.org ([IPv6:::ffff:146.82.138.56]:57323 "EHLO crack.them.org") by linux-mips.org with ESMTP id ; Mon, 9 Jun 2003 16:44:36 +0100 Received: from dsl093-172-017.pit1.dsl.speakeasy.net ([66.93.172.17] helo=nevyn.them.org ident=mail) by crack.them.org with asmtp (Exim 3.12 #1 (Debian)) id 19POpP-0000D8-00; Mon, 09 Jun 2003 10:44:59 -0500 Received: from drow by nevyn.them.org with local (Exim 3.36 #1 (Debian)) id 19POob-0000TU-00; Mon, 09 Jun 2003 11:44:09 -0400 Date: Mon, 9 Jun 2003 11:44:08 -0400 From: Daniel Jacobowitz To: "Maciej W. Rozycki" Cc: David Kesselring , linux-mips@linux-mips.org Subject: Re: state of 64 bit support Message-ID: <20030609154408.GA1781@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 Return-Path: X-Envelope-To: <"|/home/ecartis/ecartis -s linux-mips"> (uid 0) X-Orcpt: rfc822;linux-mips@linux-mips.org Original-Recipient: rfc822;linux-mips@linux-mips.org X-archive-position: 2567 X-ecartis-version: Ecartis v1.0.0 Sender: linux-mips-bounce@linux-mips.org Errors-to: linux-mips-bounce@linux-mips.org X-original-sender: dan@debian.org Precedence: bulk X-list: linux-mips On Mon, Jun 09, 2003 at 05:28:18PM +0200, Maciej W. Rozycki wrote: > On Fri, 6 Jun 2003, David Kesselring wrote: > > > I've been trying to get a 64 bit compiler working for a 5kc/5kf core, > > searching the net for info, and following this list for the last couple of > > weeks. I have not been able to get some basic questions answered and I > > hope that some of you can help me. > > With the above statement I assume you want to have a compiler suitable > for a kernel build only (which is easier to get running) and you do not > need to do 64-bit userland builds (which is tougher). And that you want a > cross-compiler. > > > First what is the current status of mips 5k 64bit little-endian support > > for gcc? Do I have to use 2.95/2.96? I don't think there is a linux binary > > but if you know of one I'd love the link. I have been unsuccessful getting > > this built. > > There are a few gcc 2.95.x i386/Linux LE binary RPM packages available at > my site, but they have preliminary R4k workarounds applied which have > disadvantageous side effects for later processors. Your best bet is to > get an RPM source package, disable R4k patches and rebuild. > > > On the web, there is a howto to build a mipsel gcc 3.2. Does 3.2 support > > 64 bit mips? Has anyone gotten it to work? > > If going for version 3.x, you probably want to get 3.3. I can't say if > it supports MIPS64/Linux without patching -- probably yes. More or less yes (kernel space). Userspace went in to 3.4. > > > Also linux. From my understanding, kernel 2.4.20 has the latest patches > > for mips32 and mips64. Is that a valid codebase? > > Up till now most development was done based on 2.4.x, but Ralf has just > finished updating 2.5.x, so you can select the version that suits you > best. ... But you have to get it from the linux-mips.org CVS, not from kernel.org! Just clarifying. -- Daniel Jacobowitz MontaVista Software Debian GNU/Linux Developer