Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263102AbVCKCeX (ORCPT ); Thu, 10 Mar 2005 21:34:23 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263115AbVCKCeX (ORCPT ); Thu, 10 Mar 2005 21:34:23 -0500 Received: from ozlabs.org ([203.10.76.45]:64228 "EHLO ozlabs.org") by vger.kernel.org with ESMTP id S263102AbVCKCeP (ORCPT ); Thu, 10 Mar 2005 21:34:15 -0500 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <16945.948.350317.549743@cargo.ozlabs.ibm.com> Date: Fri, 11 Mar 2005 13:34:28 +1100 From: Paul Mackerras To: Ingo Oeser Cc: David Gibson , Andrew Morton , Anton Blanchard , linuxppc64-dev@lists.linuxppc.org, linux-kernel@vger.kernel.org Subject: Re: [PPC64] Allow emulation of mfpvr on ppc64 kernel In-Reply-To: <200503102317.04027.ioe-lkml@axxeo.de> References: <20050310021848.GD30435@localhost.localdomain> <200503102317.04027.ioe-lkml@axxeo.de> X-Mailer: VM 7.19 under Emacs 21.3.1 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 691 Lines: 18 Ingo Oeser writes: > Why not putting the required information into the AUX table > when executing your ELF programs? I loved this feature in the > ix86 arch. We do put an AT_HWCAP entry in the aux table, which is a bitmap of features supported by the cpu. But for some applications, such as programming the performance monitor hardware, you need to know the specific CPU model and version, and this is a way to provide that information. Paul. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/