From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.4 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 48978C10F29 for ; Tue, 17 Mar 2020 05:56:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0B82D20674 for ; Tue, 17 Mar 2020 05:56:25 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=c-s.fr header.i=@c-s.fr header.b="FOidQHyo" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725871AbgCQF4X (ORCPT ); Tue, 17 Mar 2020 01:56:23 -0400 Received: from pegase1.c-s.fr ([93.17.236.30]:34410 "EHLO pegase1.c-s.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725468AbgCQF4W (ORCPT ); Tue, 17 Mar 2020 01:56:22 -0400 Received: from localhost (mailhub1-int [192.168.12.234]) by localhost (Postfix) with ESMTP id 48hMqS6pwZz9tyDw; Tue, 17 Mar 2020 06:56:20 +0100 (CET) Authentication-Results: localhost; dkim=pass reason="1024-bit key; insecure key" header.d=c-s.fr header.i=@c-s.fr header.b=FOidQHyo; dkim-adsp=pass; dkim-atps=neutral X-Virus-Scanned: Debian amavisd-new at c-s.fr Received: from pegase1.c-s.fr ([192.168.12.234]) by localhost (pegase1.c-s.fr [192.168.12.234]) (amavisd-new, port 10024) with ESMTP id cPizxOgcNxsG; Tue, 17 Mar 2020 06:56:20 +0100 (CET) Received: from messagerie.si.c-s.fr (messagerie.si.c-s.fr [192.168.25.192]) by pegase1.c-s.fr (Postfix) with ESMTP id 48hMqS5VtRz9tyDl; Tue, 17 Mar 2020 06:56:20 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=c-s.fr; s=mail; t=1584424580; bh=29Ro1sGHbS20qY55HkxOqhfus0j9f4fLJSkyAdiV1/4=; h=Subject:To:Cc:References:From:Date:In-Reply-To:From; b=FOidQHyopLQOscrsoLsYg4jHsoRiuJV5fsq3sx+BICCF3ZT60LoNqSsJxcCWwEwxP CMGi+Dk119bdW1M3W3teXcfHsAmn9A/c4hszai4thhYm52mT2c6kOhUDUw2c0RWShz vlKVuPflD+zUsf6I1jIW4r88BbQqMO6dlJCDul/k= Received: from localhost (localhost [127.0.0.1]) by messagerie.si.c-s.fr (Postfix) with ESMTP id 659E18B785; Tue, 17 Mar 2020 06:56:21 +0100 (CET) X-Virus-Scanned: amavisd-new at c-s.fr Received: from messagerie.si.c-s.fr ([127.0.0.1]) by localhost (messagerie.si.c-s.fr [127.0.0.1]) (amavisd-new, port 10023) with ESMTP id GF0S_tHCs4ek; Tue, 17 Mar 2020 06:56:21 +0100 (CET) Received: from [192.168.4.90] (unknown [192.168.4.90]) by messagerie.si.c-s.fr (Postfix) with ESMTP id C3A2B8B782; Tue, 17 Mar 2020 06:56:19 +0100 (CET) Subject: Re: [PATCH 00/15] powerpc/watchpoint: Preparation for more than one watchpoint To: Segher Boessenkool Cc: Ravi Bangoria , mpe@ellerman.id.au, mikey@neuling.org, apopple@linux.ibm.com, peterz@infradead.org, fweisbec@gmail.com, oleg@redhat.com, npiggin@gmail.com, linux-kernel@vger.kernel.org, paulus@samba.org, jolsa@kernel.org, naveen.n.rao@linux.vnet.ibm.com, linuxppc-dev@lists.ozlabs.org, mingo@kernel.org References: <20200309085806.155823-1-ravi.bangoria@linux.ibm.com> <20200316184339.GB22482@gate.crashing.org> From: Christophe Leroy Message-ID: <16e4639a-eeb9-da39-9a17-3d30e16b180e@c-s.fr> Date: Tue, 17 Mar 2020 06:56:14 +0100 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.5.0 MIME-Version: 1.0 In-Reply-To: <20200316184339.GB22482@gate.crashing.org> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: fr Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Le 16/03/2020 à 19:43, Segher Boessenkool a écrit : > On Mon, Mar 16, 2020 at 04:05:01PM +0100, Christophe Leroy wrote: >> Some book3s (e300 family for instance, I think G2 as well) already have >> a DABR2 in addition to DABR. > > The original "G2" (meaning 603 and 604) do not have DABR2. The newer > "G2" (meaning e300) does have it. e500 and e600 do not have it either. > > Hope I got that right ;-) > > G2 core reference manual says: Features specific to the G2 core not present on the original MPC603e (PID6-603e) processors follow: ... Enhanced debug features — Addition of three breakpoint registers—IABR2, DABR, and DABR2 — Two new breakpoint control registers—DBCR and IBCR e500 has DAC1 and DAC2 instead for breakpoints iaw e500 core reference manual. Christophe