From owner-svn-soc-all@FreeBSD.ORG  Mon May 26 17:23:52 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 30B1E569
 for <svn-soc-all@FreeBSD.org>; Mon, 26 May 2014 17:23:52 +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 1D5402971
 for <svn-soc-all@FreeBSD.org>; Mon, 26 May 2014 17:23:52 +0000 (UTC)
Received: from socsvn.freebsd.org ([127.0.1.124])
 by socsvn.freebsd.org (8.14.8/8.14.8) with ESMTP id s4QHNpLb034104
 for <svn-soc-all@FreeBSD.org>; Mon, 26 May 2014 17:23:51 GMT
 (envelope-from op@FreeBSD.org)
Received: (from www@localhost)
 by socsvn.freebsd.org (8.14.8/8.14.8/Submit) id s4QHNpOh033996
 for svn-soc-all@FreeBSD.org; Mon, 26 May 2014 17:23:51 GMT
 (envelope-from op@FreeBSD.org)
Date: Mon, 26 May 2014 17:23:51 GMT
Message-Id: <201405261723.s4QHNpOh033996@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: r268658 - soc2014/op/freebsd-base/sys/amd64/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: Mon, 26 May 2014 17:23:52 -0000

Author: op
Date: Mon May 26 17:23:51 2014
New Revision: 268658
URL: http://svnweb.FreeBSD.org/socsvn/?view=rev&rev=268658

Log:
  added stac() and clac() to cpufunc.h
  
  Signed-off-by: Oliver Pinter <oliver.pntr@gmail.com>
  
  

Modified:
  soc2014/op/freebsd-base/sys/amd64/include/cpufunc.h

Modified: soc2014/op/freebsd-base/sys/amd64/include/cpufunc.h
==============================================================================
--- soc2014/op/freebsd-base/sys/amd64/include/cpufunc.h	Mon May 26 17:23:20 2014	(r268657)
+++ soc2014/op/freebsd-base/sys/amd64/include/cpufunc.h	Mon May 26 17:23:51 2014	(r268658)
@@ -587,6 +587,23 @@
 	__asm __volatile("mwait" : : "a" (hints), "c" (extensions));
 }
 
+/*
+ * Intel SMAP related functions.
+ */
+static __inline void
+clac(void)
+{
+
+	__asm __volatile("clac" : : : "memory");
+}
+
+static __inline void
+stac(void)
+{
+
+	__asm __volatile("stac" : : : "memory");
+}
+
 #ifdef _KERNEL
 /* This is defined in <machine/specialreg.h> but is too painful to get to */
 #ifndef	MSR_FSBASE