From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Fri, 04 May 2012 13:17:28 +0200 (CEST) Received: from mail-lb0-f177.google.com ([209.85.217.177]:54757 "EHLO mail-lb0-f177.google.com" rhost-flags-OK-OK-OK-OK) by eddie.linux-mips.org with ESMTP id S1903664Ab2EDLRW (ORCPT ); Fri, 4 May 2012 13:17:22 +0200 Received: by lbbgg6 with SMTP id gg6so2439395lbb.36 for ; Fri, 04 May 2012 04:17:16 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=message-id:date:from:user-agent:mime-version:to:cc:subject :references:in-reply-to:content-type:content-transfer-encoding :x-gm-message-state; bh=ba75U3UMf0M0K0fqnzW9S5Fxge2qW+wAvYB3wpaXoe0=; b=OujX8dyG8IuGPrS/aDHkDSTbemZLCQDbl8v00R9771E2kwGlt2FZpBvYS8B5SeQann KjFKGrVJMN6Q92fBdyvDR+SiBGf3xgDrj3X9srxVJtKE31IoGHb4H5k40hUsF/+nL+0T hHSyDh9o0HCWVTBZKGQzWGoGjsIh2pPOTYneTsQ1FLyMDeHf/D8h8QrYLAwc45PSHDVA 8UbVpQ2V3Lnd57SLDNogr82smk4m3+1wdIr8uK52w9LJMXFoky5LJQMEF3I6mI3WrUv0 os8kSuA6niyjzuskGz4No1rcph6ZTGbkAs19sHZXhr7Jo+Gy2Ap3QH9PWLnj49TxX/Za /0NQ== Received: by 10.112.86.101 with SMTP id o5mr2738744lbz.1.1336130236588; Fri, 04 May 2012 04:17:16 -0700 (PDT) Received: from [192.168.2.2] (ppp91-79-80-122.pppoe.mtu-net.ru. [91.79.80.122]) by mx.google.com with ESMTPS id o9sm10583668lbm.14.2012.05.04.04.17.13 (version=TLSv1/SSLv3 cipher=OTHER); Fri, 04 May 2012 04:17:14 -0700 (PDT) Message-ID: <4FA3BAA6.5060200@mvista.com> Date: Fri, 04 May 2012 15:16:54 +0400 From: Sergei Shtylyov User-Agent: Mozilla/5.0 (Windows NT 5.1; rv:12.0) Gecko/20120428 Thunderbird/12.0.1 MIME-Version: 1.0 To: Matt Turner CC: Ralf Baechle , linux-mips@linux-mips.org Subject: Re: [PATCH] mips: set ST0_MX flag for MDMX References: <1336084845-28995-1-git-send-email-mattst88@gmail.com> In-Reply-To: <1336084845-28995-1-git-send-email-mattst88@gmail.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Gm-Message-State: ALoCoQkUDAQARdnwS7eDQog0sjDw4W5jHeZdukclQ6gZH4JrMyyn29TmBwamsMwkcanwiarJ7Q6Z X-archive-position: 33139 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: sshtylyov@mvista.com Precedence: bulk X-list: linux-mips Return-Path: Hello. On 04-05-2012 2:40, Matt Turner wrote: > As the comment in commit 3301edcb Please also specify that commit's summary in parens. > says, DSP and MDMX share the same > config flag bit. > Without this set, MDMX instructions cause Illegal instruction errors. > Signed-off-by: Matt Turner > --- > Is MDMX implemented by anything other than some Broadcom CPUs? Is it > totally replaced by DSP? > I had a terrible time finding any documentation on it (which is annoying > because Volume IV-b covering MDMX is referenced by all the MIPS64 documents.) > but finally found a copy here: www.enlight.ru/docs/cpu/risc/mips/MDMXspec.pdf > If it's dead, it's too bad because it's a pretty cool ISA. WBR, Sergei