From owner-freebsd-questions@FreeBSD.ORG  Mon Jun 18 05:42:29 2007
Return-Path: <owner-freebsd-questions@FreeBSD.ORG>
X-Original-To: freebsd-questions@freebsd.org
Delivered-To: freebsd-questions@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52])
	by hub.freebsd.org (Postfix) with ESMTP id 54CAA16A400
	for <freebsd-questions@freebsd.org>;
	Mon, 18 Jun 2007 05:42:29 +0000 (UTC)
	(envelope-from tedm@toybox.placo.com)
Received: from mail.freebsd-corp-net-guide.com
	(mail.freebsd-corp-net-guide.com [65.75.192.90])
	by mx1.freebsd.org (Postfix) with ESMTP id 1877513C448
	for <freebsd-questions@freebsd.org>;
	Mon, 18 Jun 2007 05:42:28 +0000 (UTC)
	(envelope-from tedm@toybox.placo.com)
Received: from TEDSDESK (nat-rtr.freebsd-corp-net-guide.com [65.75.197.130])
	by mail.freebsd-corp-net-guide.com (8.13.8/8.13.8) with SMTP id
	l5I5gRSF021582; Sun, 17 Jun 2007 22:42:28 -0700 (PDT)
	(envelope-from tedm@toybox.placo.com)
From: "Ted Mittelstaedt" <tedm@toybox.placo.com>
To: "Patil, Kiran" <kiran.patil@intel.com>, <freebsd-questions@freebsd.org>
Date: Sun, 17 Jun 2007 22:43:56 -0700
Message-ID: <BMEDLGAENEKCJFGODFOCIECICAAA.tedm@toybox.placo.com>
MIME-Version: 1.0
Content-Type: text/plain;
	charset="us-ascii"
Content-Transfer-Encoding: 7bit
X-Priority: 3 (Normal)
X-MSMail-Priority: Normal
X-Mailer: Microsoft Outlook IMO, Build 9.0.6604 (9.0.2911.0)
X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1896
In-Reply-To: <4AFE4AEEFA305C4BB82F73F4D819506001B50C43@orsmsx420.amr.corp.intel.com>
Importance: Normal
X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-3.0
	(mail.freebsd-corp-net-guide.com [65.75.192.90]);
	Sun, 17 Jun 2007 22:42:28 -0700 (PDT)
Cc: 
Subject: RE: Need help with GNU assembly
X-BeenThere: freebsd-questions@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: User questions <freebsd-questions.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
	<mailto:freebsd-questions-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-questions>
List-Post: <mailto:freebsd-questions@freebsd.org>
List-Help: <mailto:freebsd-questions-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
	<mailto:freebsd-questions-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Mon, 18 Jun 2007 05:42:29 -0000


http://user.nj.net/~tms/hello.html

> -----Original Message-----
> From: owner-freebsd-questions@freebsd.org
> [mailto:owner-freebsd-questions@freebsd.org]On Behalf Of Patil, Kiran
> Sent: Thursday, June 14, 2007 2:11 PM
> To: freebsd-questions@freebsd.org
> Cc: Patil, Kiran
> Subject: Need help with GNU assembly
> 
> 
> Hi All,
> 
>  
> 
> I am trying to use GNU assembly. I am trying simple thing such as ,
> moving content of memory location into general purpose register (ax).
> 
>  
> 
> I have following code :
> 
>  
> 
> struct context {
> 
>  
> 
>             unsigned long mask[8];
> 
> } CONTEXT;
> 
>  
> 
> int main()
> 
> {
> 
>             CONTEXT sr;
> 
>             sr.mask[5] = 0x8FED;
> 
>  
> 
>             __asm ( "movw %0, %ax" : : "m" (*(unsigned
> short*)sr.mask[5]) );
> 
>             return 0;
> 
> }
> 
>  
> 
> Compiler complains with error "bad substitution directive in asm
> instruction".
> 
>  
> 
> I tried changing the code something like this :
> 
>  
> 
> __asm ( "movw %0, %ax" : : "m" (*(unsigned short*)sr.mask+5) );
> 
>  
> 
> Still error is same, then I tried following:
> 
>  
> 
>             Unsigned short* ptemp = &sr.mask[5];
> 
>             __asm ( "movw %0, %ax" : : "m" (*(unsigned short*)ptemp) );
> 
> But still no luck, compiler reported same error as mentioned above
> 
>  
> 
> Any help is appreciated. Please let me know where I am mistake.
> 
>  
> 
> Thanks,
> 
> -- Kiran P.
> 
> _______________________________________________
> freebsd-questions@freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-questions
> To unsubscribe, send any mail to 
> "freebsd-questions-unsubscribe@freebsd.org"
> 
>