From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 84733 invoked by alias); 17 Aug 2016 00:22:01 -0000 Mailing-List: contact gdb-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-owner@sourceware.org Received: (qmail 84723 invoked by uid 89); 17 Aug 2016 00:22:00 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-2.3 required=5.0 tests=AWL,BAYES_00,RP_MATCHES_RCVD,SPF_PASS autolearn=ham version=3.3.2 spammy=sterling, Sterling, augustine, Augustine X-HELO: mail2.candelatech.com Received: from mail2.candelatech.com (HELO mail2.candelatech.com) (208.74.158.173) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Wed, 17 Aug 2016 00:21:50 +0000 Received: from [192.168.100.149] (firewall.candelatech.com [50.251.239.81]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail2.candelatech.com (Postfix) with ESMTPSA id 26CAF40A5C4; Tue, 16 Aug 2016 17:21:49 -0700 (PDT) Subject: Re: Need some help with xtensa processor To: Sterling Augustine References: <268c3c75-f5b8-4eac-3999-bbf29d0ec10d@candelatech.com> Cc: gdb@sourceware.org From: Ben Greear Message-ID: Date: Wed, 17 Aug 2016 00:22:00 -0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-IsSubscribed: yes X-SW-Source: 2016-08/txt/msg00033.txt.bz2 On 08/16/2016 05:11 PM, Sterling Augustine wrote: > On Tue, Aug 16, 2016 at 5:01 PM, Ben Greear wrote: >> >> Hello! >> >> I'm working on a closed source (not my decision) project that uses >> an xtensa cpu. I have no jtag access to this board, but I can pass >> messages, including grabbing 'logs' and stack traces on crash, and so forth. > > Can the Cadence people not help you? > > If you have a copy of the ISA book or the programmer's book, then I > believe they have explanations on how to set the registers as well. > > Failing all that, then your best bet it to look at the gdb sources and > see how it is done. Cadence probably could, but I don't think I rate high enough for them to care. I have the ISA book, and you can find it online, and I think I am close, but I must be missing something. I suspect it is the exception vector...trying to figure out how to set that now. Thanks, Ben -- Ben Greear Candela Technologies Inc http://www.candelatech.com