From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755375Ab0JAS6y (ORCPT ); Fri, 1 Oct 2010 14:58:54 -0400 Received: from exprod7og123.obsmtp.com ([64.18.2.24]:32938 "EHLO exprod7og123.obsmtp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755326Ab0JAS6x (ORCPT ); Fri, 1 Oct 2010 14:58:53 -0400 Message-ID: <4CA62F50.1070208@genband.com> Date: Fri, 01 Oct 2010 12:58:24 -0600 From: Chris Friesen User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.9) Gecko/20100430 Fedora/3.0.4-2.fc11 Thunderbird/3.0.4 MIME-Version: 1.0 To: khaled MOHAMMED atteya CC: linux-kernel@vger.kernel.org Subject: Re: what is x86 entry point? References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-OriginalArrivalTime: 01 Oct 2010 18:56:56.0530 (UTC) FILETIME=[6B6C2B20:01CB619A] X-TM-AS-Product-Ver: SMEX-8.0.0.4160-6.500.1024-17678.001 X-TM-AS-Result: No--10.610600-5.000000-31 X-TM-AS-User-Approved-Sender: No X-TM-AS-User-Blocked-Sender: No Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 10/01/2010 09:27 AM, khaled MOHAMMED atteya wrote: > I want to know where is entry point for x86 arch? > Also i read on some papers there are many entry points in kernel , > which are these? Take a look at arch/x86/kernel/entry_32.S (or entry_64.S) for starters. Conceptually you can get into the kernel via old-school system calls, the sysenter mechanism, page faults, interrupts, etc. Chris -- Chris Friesen Software Developer GENBAND chris.friesen@genband.com www.genband.com