From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:53916) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TdSYI-0007tB-AZ for qemu-devel@nongnu.org; Tue, 27 Nov 2012 16:18:46 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1TdSYC-0003yK-Nq for qemu-devel@nongnu.org; Tue, 27 Nov 2012 16:18:46 -0500 Received: from mail-da0-f45.google.com ([209.85.210.45]:60682) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TdSYC-0003y8-HM for qemu-devel@nongnu.org; Tue, 27 Nov 2012 16:18:40 -0500 Received: by mail-da0-f45.google.com with SMTP id w4so3254217dam.4 for ; Tue, 27 Nov 2012 13:18:39 -0800 (PST) Sender: Richard Henderson Message-ID: <50B52E2C.2080605@twiddle.net> Date: Tue, 27 Nov 2012 13:18:36 -0800 From: Richard Henderson MIME-Version: 1.0 References: <20121122193333.GA90068@cs.nctu.edu.tw> In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] MIPS exception number limits? List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: "Johnson, Eric" Cc: "qemu-devel@nongnu.org" , =?UTF-8?B?IumZs+mfi+S7uyAoV2VpLVJlbiBDaGVuKSI=?= On 11/26/2012 09:25 PM, Johnson, Eric wrote: > So basically the SC and SCD instructions for user-mode QEMU are implemented with a "dummy" exception. Since it is not a real exception, it is not reported in the QEMU log file as an exception. I'm not certain that's a helpful distinction to make when it comes to debugging qemu. r~