From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1Hp93Z-0003Wq-Kn for qemu-devel@nongnu.org; Fri, 18 May 2007 16:28:09 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1Hp93Z-0003Wa-0r for qemu-devel@nongnu.org; Fri, 18 May 2007 16:28:09 -0400 Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Hp93Y-0003WX-P7 for qemu-devel@nongnu.org; Fri, 18 May 2007 16:28:08 -0400 Received: from mail.codesourcery.com ([65.74.133.4]) by monty-python.gnu.org with esmtps (TLS-1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1Hp93Y-0006Nl-8B for qemu-devel@nongnu.org; Fri, 18 May 2007 16:28:08 -0400 From: Paul Brook Subject: Re: [Qemu-devel] qemu/target-mips op.c translate.c Date: Fri, 18 May 2007 21:27:58 +0100 References: <464DEB9C.60701@mail.berlios.de> <20070518195058.GE17076@networkno.de> In-Reply-To: <20070518195058.GE17076@networkno.de> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200705182128.00965.paul@codesourcery.com> Reply-To: qemu-devel@nongnu.org List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org On Friday 18 May 2007, Thiemo Seufer wrote: > Stefan Weil wrote: > > This change still does not fix the problems with > > self-modifying code in Linux FPU emulation. > > > > Linux FPU emulation calls mips_dsemul which calls flush_cache_sigtramp > > which is local_r4k_flush_cache_sigtramp for MIPS 4KEc. So I had expected > > that the new code would fix the problems with FPU emulation. > > > > But programs like aptitude crash (caused by FPU emulation) > > even with latest QEMU CVS. > > Indeed, it fixes gdb breakpoints, though. (Which means I believe by > now Paul was right with his analysis of the FPU problem.) I think Daniel also mentioned how to fix breakpoints properly. Paul