From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:59612) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TgyRb-0003PV-PV for qemu-devel@nongnu.org; Fri, 07 Dec 2012 08:58:31 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1TgyRU-0005Ub-Eb for qemu-devel@nongnu.org; Fri, 07 Dec 2012 08:58:23 -0500 Received: from mail-qc0-f175.google.com ([209.85.216.175]:32906) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TgyRU-0005UT-9l for qemu-devel@nongnu.org; Fri, 07 Dec 2012 08:58:16 -0500 Received: by mail-qc0-f175.google.com with SMTP id j3so257296qcs.34 for ; Fri, 07 Dec 2012 05:58:15 -0800 (PST) Sender: Richard Henderson Message-ID: <50C1F5F3.6020209@twiddle.net> Date: Fri, 07 Dec 2012 07:58:11 -0600 From: Richard Henderson MIME-Version: 1.0 References: <1351652644-18687-1-git-send-email-afaerber@suse.de> <1351652644-18687-3-git-send-email-afaerber@suse.de> <5090AFC7.7010107@twiddle.net> <50C06F47.2020304@suse.de> In-Reply-To: <50C06F47.2020304@suse.de> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Subject: Re: [Qemu-devel] [PATCH 2/7] target-alpha: Turn CPU definitions into subclasses List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: =?UTF-8?B?QW5kcmVhcyBGw6RyYmVy?= Cc: qemu-devel@nongnu.org, Eduardo Habkost On 2012-12-06 04:11, Andreas Färber wrote: >> The "2*" names are aliases of the "ev*" names. There's no need for so >> much duplication. And for that matter, "ev68" is no different from "ev67" >> at the level for which we emulate. In hw, it was more cache and a faster >> multiply implementation. > > Clearly I know little to nothing about Alpha CPU models. :) > Regarding ev68, we'll need to carry it for backwards compatibility; can > we assume that the Alpha ISA is dead? Then I could drop this shrinking > array and make, e.g., ev68 a trivial subclass of ev67. Yes, the ISA is dead. We're also nearing the end of "extended" hardware support for Alpha systems from HP. > The name scheme we are heading towards now looks like -alpha-cpu. > Did I understand you correctly that we would want, e.g., ev4-alpha-cpu > as type and have "21064" map to it? Correct. That corresponds more closely to how the compiler tools are configured (e.g. alphaev67-linux, not alpha21164-linux). r~