From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1K5Ldl-0000iQ-C9 for qemu-devel@nongnu.org; Sun, 08 Jun 2008 10:13:01 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1K5Ldj-0000i6-Nw for qemu-devel@nongnu.org; Sun, 08 Jun 2008 10:13:00 -0400 Received: from [199.232.76.173] (port=60902 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1K5Ldj-0000i3-I7 for qemu-devel@nongnu.org; Sun, 08 Jun 2008 10:12:59 -0400 Received: from mail.codesourcery.com ([65.74.133.4]:53065) by monty-python.gnu.org with esmtps (TLS-1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1K5Ldj-00080u-GT for qemu-devel@nongnu.org; Sun, 08 Jun 2008 10:12:59 -0400 From: Paul Brook Subject: Re: [Qemu-devel] Buggy wfi support for ARM user Date: Sun, 8 Jun 2008 15:12:36 +0100 References: <761ea48b0806080554x4b8ca2e9o6b279fae72c357e9@mail.gmail.com> In-Reply-To: <761ea48b0806080554x4b8ca2e9o6b279fae72c357e9@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200806081512.36543.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 Cc: Laurent Desnogues On Sunday 08 June 2008, Laurent Desnogues wrote: > The wfi instruction for user mode ARM results in: > > qemu: unhandled CPU exception 0x10001 - aborting > > I propose that for user mode this instruction be considered > as a NOP. Any thoughts? Allowing usermode to issue WFI sounds like a bug. Paul