From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1MGa9L-0000KU-8G for qemu-devel@nongnu.org; Tue, 16 Jun 2009 11:00:35 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1MGa9G-0000Jz-35 for qemu-devel@nongnu.org; Tue, 16 Jun 2009 11:00:34 -0400 Received: from [199.232.76.173] (port=50750 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1MGa9F-0000Jw-TU for qemu-devel@nongnu.org; Tue, 16 Jun 2009 11:00:29 -0400 Received: from mail2.shareable.org ([80.68.89.115]:59407) by monty-python.gnu.org with esmtps (TLS-1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1MGa9E-0006CX-Kw for qemu-devel@nongnu.org; Tue, 16 Jun 2009 11:00:29 -0400 Date: Tue, 16 Jun 2009 16:00:19 +0100 From: Jamie Lokier Subject: Re: [Qemu-devel] Register uhci_reset() callback. Message-ID: <20090616150018.GE29040@shareable.org> References: <20090611084808.GA19508@redhat.com> <200906111441.34151.paul@codesourcery.com> <20090611134656.GC19508@redhat.com> <200906111453.13421.paul@codesourcery.com> <20090611140054.GD19508@redhat.com> <20090611163803.GB12367@shareable.org> <20090611164045.GA954@redhat.com> <4A3674D9.9050607@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4A3674D9.9050607@redhat.com> List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Avi Kivity Cc: Paul Brook , Gleb Natapov , qemu-devel@nongnu.org Avi Kivity wrote: > On 06/11/2009 07:40 PM, Gleb Natapov wrote: > >>Now, a CPU-only reset, such as triple fault on x86, that's a bit > >>different. > >> > >> > >On x86 triple fault wired to system reset. > > > > Some actually wire triple fault (shutdown) to init. It's pretty broken. That sounds useful, actually, for those 286 OSes which use triple-fault to switch from protected mode to real mode. No need to reinitialise all the hardware if it just restarts the CPU. -- Jamie