From owner-svn-soc-all@FreeBSD.ORG  Fri Jun 13 01:31:47 2014
Return-Path: <owner-svn-soc-all@FreeBSD.ORG>
Delivered-To: svn-soc-all@FreeBSD.org
Received: from mx1.freebsd.org (mx1.freebsd.org
 [IPv6:2001:1900:2254:206a::19:1])
 (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits))
 (No client certificate requested)
 by hub.freebsd.org (Postfix) with ESMTPS id 8BD6334D
 for <svn-soc-all@FreeBSD.org>; Fri, 13 Jun 2014 01:31:47 +0000 (UTC)
Received: from socsvn.freebsd.org (socsvn.freebsd.org
 [IPv6:2001:1900:2254:206a::50:2])
 (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits))
 (Client did not present a certificate)
 by mx1.freebsd.org (Postfix) with ESMTPS id 7865C2F34
 for <svn-soc-all@FreeBSD.org>; Fri, 13 Jun 2014 01:31:47 +0000 (UTC)
Received: from socsvn.freebsd.org ([127.0.1.124])
 by socsvn.freebsd.org (8.14.8/8.14.8) with ESMTP id s5D1VlXC003599
 for <svn-soc-all@FreeBSD.org>; Fri, 13 Jun 2014 01:31:47 GMT
 (envelope-from op@FreeBSD.org)
Received: (from www@localhost)
 by socsvn.freebsd.org (8.14.8/8.14.8/Submit) id s5D1Vlbc003423
 for svn-soc-all@FreeBSD.org; Fri, 13 Jun 2014 01:31:47 GMT
 (envelope-from op@FreeBSD.org)
Date: Fri, 13 Jun 2014 01:31:47 GMT
Message-Id: <201406130131.s5D1Vlbc003423@socsvn.freebsd.org>
X-Authentication-Warning: socsvn.freebsd.org: www set sender to op@FreeBSD.org
 using -f
From: op@FreeBSD.org
To: svn-soc-all@FreeBSD.org
Subject: socsvn commit: r269503 - soc2014/op/freebsd-base/sys/i386/include
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
X-BeenThere: svn-soc-all@freebsd.org
X-Mailman-Version: 2.1.18
Precedence: list
List-Id: SVN commit messages for the entire Summer of Code repository
 <svn-soc-all.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/options/svn-soc-all>,
 <mailto:svn-soc-all-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/svn-soc-all/>
List-Post: <mailto:svn-soc-all@freebsd.org>
List-Help: <mailto:svn-soc-all-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/svn-soc-all>,
 <mailto:svn-soc-all-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Fri, 13 Jun 2014 01:31:47 -0000

Author: op
Date: Fri Jun 13 01:31:46 2014
New Revision: 269503
URL: http://svnweb.FreeBSD.org/socsvn/?view=rev&rev=269503

Log:
  SMAP i386: added stac and clac functions to cpufunc.h
  
  git: https://github.com/opntr/opBSD/commits/op/gsoc2014/smap
  
  Signed-off-by: Oliver Pinter <oliver.pntr@gmail.com>
  
  
  

Modified:
  soc2014/op/freebsd-base/sys/i386/include/cpufunc.h

Modified: soc2014/op/freebsd-base/sys/i386/include/cpufunc.h
==============================================================================
--- soc2014/op/freebsd-base/sys/i386/include/cpufunc.h	Fri Jun 13 01:27:01 2014	(r269502)
+++ soc2014/op/freebsd-base/sys/i386/include/cpufunc.h	Fri Jun 13 01:31:46 2014	(r269503)
@@ -168,6 +168,24 @@
 	__asm __volatile("mfence" : : : "memory");
 }
 
+/*
+ * Intel SMAP related functions.
+ */
+static __inline void
+clac(void)
+{
+
+	__asm __volatile("clac" : : : "memory");
+}
+
+static __inline void
+stac(void)
+{
+
+	__asm __volatile("stac" : : : "memory");
+}
+
+
 #ifdef _KERNEL
 
 #define	HAVE_INLINE_FFS