From owner-p4-projects@FreeBSD.ORG  Mon Aug 14 08:51:06 2006
Return-Path: <owner-p4-projects@FreeBSD.ORG>
X-Original-To: p4-projects@freebsd.org
Delivered-To: p4-projects@freebsd.org
Received: by hub.freebsd.org (Postfix, from userid 32767)
	id 4104816A4E5; Mon, 14 Aug 2006 08:51:06 +0000 (UTC)
X-Original-To: perforce@FreeBSD.org
Delivered-To: perforce@FreeBSD.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id 1CE1C16A4E1
	for <perforce@FreeBSD.org>; Mon, 14 Aug 2006 08:51:06 +0000 (UTC)
	(envelope-from gonzo@FreeBSD.org)
Received: from repoman.freebsd.org (repoman.freebsd.org [216.136.204.115])
	by mx1.FreeBSD.org (Postfix) with ESMTP id 0924643D67
	for <perforce@FreeBSD.org>; Mon, 14 Aug 2006 08:50:57 +0000 (GMT)
	(envelope-from gonzo@FreeBSD.org)
Received: from repoman.freebsd.org (localhost [127.0.0.1])
	by repoman.freebsd.org (8.13.6/8.13.6) with ESMTP id k7E8ovaX052645
	for <perforce@FreeBSD.org>; Mon, 14 Aug 2006 08:50:57 GMT
	(envelope-from gonzo@FreeBSD.org)
Received: (from perforce@localhost)
	by repoman.freebsd.org (8.13.6/8.13.4/Submit) id k7E8ovoN052642
	for perforce@freebsd.org; Mon, 14 Aug 2006 08:50:57 GMT
	(envelope-from gonzo@FreeBSD.org)
Date: Mon, 14 Aug 2006 08:50:57 GMT
Message-Id: <200608140850.k7E8ovoN052642@repoman.freebsd.org>
X-Authentication-Warning: repoman.freebsd.org: perforce set sender to
	gonzo@FreeBSD.org using -f
From: Oleksandr Tymoshenko <gonzo@FreeBSD.org>
To: Perforce Change Reviews <perforce@FreeBSD.org>
Cc: 
Subject: PERFORCE change 103819 for review
X-BeenThere: p4-projects@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: p4 projects tree changes <p4-projects.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/p4-projects>,
	<mailto:p4-projects-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/p4-projects>
List-Post: <mailto:p4-projects@freebsd.org>
List-Help: <mailto:p4-projects-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/p4-projects>,
	<mailto:p4-projects-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Mon, 14 Aug 2006 08:51:06 -0000

http://perforce.freebsd.org/chv.cgi?CH=103819

Change 103819 by gonzo@gonzo_hq on 2006/08/14 08:50:21

	o Make threads' stack aligned to 8 bytes. It's
	    required by EABI for proper handling of 64-bits
	    arguments in va_args.

Affected files ...

.. //depot/projects/mips2/src/sys/mips/mips/vm_machdep.c#7 edit

Differences ...

==== //depot/projects/mips2/src/sys/mips/mips/vm_machdep.c#7 (text+ko) ====

@@ -188,10 +188,11 @@
 	 * Enable interrupts and unmask timer interrupt (HW IRQ5)
 	 */	 
 	td->td_pcb->pcb_regs[PCB_REG_SR] = MIPS_SR_INT_IE | 
-		(((1 << 5) << 8) << 2);
+	    (((1 << 5) << 8) << 2);
 
-	/* Stack pointer. */
-	td->td_pcb->pcb_regs[PCB_REG_SP] = (register_t)_ALIGN(td->td_frame - 1);
+	/* Stack pointer. Should be double-word aligned due to EABI */
+	td->td_pcb->pcb_regs[PCB_REG_SP] = 
+	    (register_t)((uint32_t)(td->td_frame - 1) & ~7);
 }
 
 void