From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:44987) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1duESu-0006Jl-De for qemu-devel@nongnu.org; Tue, 19 Sep 2017 05:05:18 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1duESt-0003YO-GS for qemu-devel@nongnu.org; Tue, 19 Sep 2017 05:05:12 -0400 Received: from mail-wm0-x229.google.com ([2a00:1450:400c:c09::229]:47399) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1duESt-0003Xk-B3 for qemu-devel@nongnu.org; Tue, 19 Sep 2017 05:05:11 -0400 Received: by mail-wm0-x229.google.com with SMTP id 13so3228010wmq.2 for ; Tue, 19 Sep 2017 02:05:11 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: <20170919044346.GA32572@toto> References: <1498830302-19274-1-git-send-email-edgar.iglesias@gmail.com> <1498830302-19274-3-git-send-email-edgar.iglesias@gmail.com> <20170711100334.GA25504@toto> <20170711103859.GC25504@toto> <20170919044346.GA32572@toto> From: Peter Maydell Date: Tue, 19 Sep 2017 10:04:49 +0100 Message-ID: Content-Type: text/plain; charset="UTF-8" Subject: Re: [Qemu-devel] [PATCH v1 2/2] target-arm: Extend PAR format determination List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: "Edgar E. Iglesias" Cc: "Edgar E. Iglesias" , QEMU Developers , =?UTF-8?B?QWxleCBCZW5uw6ll?= , qemu-arm On 19 September 2017 at 05:43, Edgar E. Iglesias wrote: > On Mon, Sep 18, 2017 at 04:50:23PM +0100, Peter Maydell wrote: >> I'm currently running into a similar issue with M profile, >> where at the moment we stuff the information about what >> kind of fault the MPU generates into a v7PMSA format >> FSR value and reinterpret it into M profile exception >> types and fault status register bits later. This works >> OK, but for v8M we want to start reporting kinds of fault >> (like SecureFault) that don't have equivalents in v7PMSA >> at all, and maybe it would be better to clean this up rather >> than assigning arbitrary bogus fsr values for internal use... > > I see, yes that sounds like a similar issue. > If you'd like to take over this, that'd be great :-) For the moment I've taken the easy approach of using dummy FSR values. We'll see if that gets through code review :-) thanks -- PMM