From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753972Ab2GINdr (ORCPT ); Mon, 9 Jul 2012 09:33:47 -0400 Received: from mail-yx0-f174.google.com ([209.85.213.174]:34718 "EHLO mail-yx0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753601Ab2GINdq (ORCPT ); Mon, 9 Jul 2012 09:33:46 -0400 MIME-Version: 1.0 In-Reply-To: <4FFA3B71.3020105@jonmasters.org> References: <1341608777-12982-1-git-send-email-catalin.marinas@arm.com> <201207071927.13135.arnd@arndb.de> <4FF93C99.80203@redhat.com> <4FF9D1E9.4050504@jonmasters.org> <20120708172419.2b2f2713@pegasus.ausil.us> <4FFA3B71.3020105@jonmasters.org> Date: Mon, 9 Jul 2012 15:33:43 +0200 X-Google-Sender-Auth: KX9y2ntjkH_cg8hAxKQgLK-1kuw Message-ID: Subject: Re: [PATCH 00/36] AArch64 Linux kernel port From: Geert Uytterhoeven To: Jon Masters Cc: Dennis Gilmore , linux-kernel@vger.kernel.org Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Jul 9, 2012 at 4:01 AM, Jon Masters wrote: > On 07/08/2012 06:24 PM, Dennis Gilmore wrote: >> I know that the architecture really is new but thats not really clear >> by adding AArch32 into the mix to represent 32 bit arm as ARM has done >> or by calling it armv8. There is enough way to confuse them already why >> confuse things more by adding yet another variable that is AArch64. >> - From my and most of the other Fedora developers that i've discussed it >> with its more like reluctant acceptance of AArch64 than thinking is a >> good idea. > > btw, for clarification of anyone who is confused by the names...the new > architecture is ARMv8. The 64-bit state is AArch64, during which the > processor executes A64 instructions. The 32-bit state is AArch32, during > which the processor executes either A32 ("ARM" version 7+) or T32 > ("Thumb" - I guess Thumb2+ really due to some of deprecation) > instructions. I've noticed that there appears to be a clarification > effort in which AArch64 is used as an architecture name when ARMv8 would > be confusing, which is most of the time if you don't know whether you're > referring to the new A64 instruction set or the older ones. Ah, A64... sounds better than AArch64... Even AA64 sounds better than AArch64.... > Perhaps this is useful if someone is trying to figure out heads or tails > of the different terms. Many thanks! I was just googleing what this "T32" thingy was... Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds