From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1HOdBQ-0000UN-M4 for qemu-devel@nongnu.org; Tue, 06 Mar 2007 12:10:40 -0500 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1HOdBH-0000Qj-V3 for qemu-devel@nongnu.org; Tue, 06 Mar 2007 12:10:40 -0500 Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1HOdBH-0000QS-92 for qemu-devel@nongnu.org; Tue, 06 Mar 2007 12:10:31 -0500 Received: from nevyn.them.org ([66.93.172.17]) by monty-python.gnu.org with esmtps (TLS-1.0:RSA_AES_256_CBC_SHA:32) (Exim 4.52) id 1HOdBF-0006XH-IN for qemu-devel@nongnu.org; Tue, 06 Mar 2007 12:10:30 -0500 Received: from dsl093-172-095.pit1.dsl.speakeasy.net ([66.93.172.95] helo=caradoc.them.org) by nevyn.them.org with esmtp (Exim 4.63) (envelope-from ) id 1HOdAM-0004NM-P0 for qemu-devel@nongnu.org; Tue, 06 Mar 2007 12:09:34 -0500 Received: from drow by caradoc.them.org with local (Exim 4.63) (envelope-from ) id 1HOdAM-0001lv-Gx for qemu-devel@nongnu.org; Tue, 06 Mar 2007 12:09:34 -0500 Date: Tue, 6 Mar 2007 12:09:34 -0500 From: Daniel Jacobowitz Subject: Re: [Qemu-devel] [PATCH] Choose emulated MIPS CPU at runtime Message-ID: <20070306170934.GA6797@caradoc.them.org> References: <20070306154919.25DD766CA6@smtp4-g19.free.fr> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20070306154919.25DD766CA6@smtp4-g19.free.fr> 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 Tue, Mar 06, 2007 at 04:47:14PM +0100, Hervé Poussineau wrote: > Hi, > > This patch uses the new "-cpu" command line option, to choose the CPU at > runtime (R4Kc/R4Kp and FPU/no FPU) > The model can be extended to emulate more accurately some CPUs. > > This removes the MIPS_USES_FPU compilation time option, and replaces by a > runtime one. > > Please comment. Do you have any idea what performance effect this does (or doesn't) have? -- Daniel Jacobowitz CodeSourcery