From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with archive (Exim 4.43) id 1MfAo5-0002lF-D6 for mharc-grub-devel@gnu.org; Sun, 23 Aug 2009 07:00:17 -0400 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1MfAo3-0002kU-QA for grub-devel@gnu.org; Sun, 23 Aug 2009 07:00:15 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1MfAnz-0002hu-5u for grub-devel@gnu.org; Sun, 23 Aug 2009 07:00:15 -0400 Received: from [199.232.76.173] (port=34394 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1MfAny-0002ho-VG for grub-devel@gnu.org; Sun, 23 Aug 2009 07:00:10 -0400 Received: from xvm-190-8.ghst.net ([217.70.190.8]:57848 helo=aybabtu.com) by monty-python.gnu.org with esmtps (TLS-1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1MfAny-0005wa-ED for grub-devel@gnu.org; Sun, 23 Aug 2009 07:00:10 -0400 Received: from [192.168.10.10] (helo=thorin) by aybabtu.com with esmtp (Exim 4.69) (envelope-from ) id 1MfAnw-0007gC-HQ for grub-devel@gnu.org; Sun, 23 Aug 2009 13:00:08 +0200 Received: from rmh by thorin with local (Exim 4.69) (envelope-from ) id 1MfAnv-0001w1-V0 for grub-devel@gnu.org; Sun, 23 Aug 2009 13:00:07 +0200 Date: Sun, 23 Aug 2009 13:00:07 +0200 From: Robert Millan To: The development of GRUB 2 Message-ID: <20090823110007.GK4130@thorin> References: <20090810114103.GG9344@thorin> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: Organization: free as in freedom X-Message-Flag: Worried about Outlook viruses? Switch to Thunderbird! www.mozilla.com/thunderbird X-Debbugs-No-Ack: true User-Agent: Mutt/1.5.18 (2008-05-17) X-detected-operating-system: by monty-python.gnu.org: GNU/Linux 2.6 (newer, 3) Subject: Re: Report: compil error on OSX for target=i386 X-BeenThere: grub-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: The development of GRUB 2 List-Id: The development of GRUB 2 List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 23 Aug 2009 11:00:16 -0000 On Sat, Aug 22, 2009 at 08:00:10PM +0200, Vladimir 'phcoder' Serbinenko wrote: > On Mon, Aug 10, 2009 at 1:41 PM, Robert Millan wrote: > > On Sat, Aug 08, 2009 at 10:44:25PM +0800, Bean wrote: > >> Hi, > >> > >> I also encounter this problem with apple gcc 4.0, the fix is to replace: > >> > >> asm volatile ("jmp *%2" : : "b" (0), "S" (real_mode_mem), "g" > >> (params->code32_start)); > >> > >> With: > >>   asm volatile ("movl %0, %%ecx" : : "m" (params->code32_start)); > >>   asm volatile ("movl %0, %%esi" : : "m" (real_mode_mem)); > >> > >>   asm volatile ("xorl %%ebx, %%ebx" : : ); > >>   asm volatile ("jmp *%%ecx" : : ); > > > > I think I did precisely the opposite change a while ago, with the purpose of > > general cleanup (to make it more compact and avoid generating unnecessary > > instructions). > What about following compromise: > [...] I'm not sure what's the problem here. AFAIK inline assembly had this syntax with GCC 4.0 already. Did Apple cripple it in their version of GCC ? -- Robert Millan The DRM opt-in fallacy: "Your data belongs to us. We will decide when (and how) you may access your data; but nobody's threatening your freedom: we still allow you to remove your data and not access it at all."