From 013d381e3ce3708c9cdf4978706066909b9947b1 Mon Sep 17 00:00:00 2001
From: Michael Brown <mcb30@etherboot.org>
Date: Tue, 17 Jul 2007 13:46:37 +0100
Subject: [PATCH] Real-mode code might set the direction flag, which would
 cause carnage.

---
 src/arch/i386/transitions/librm.S | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/arch/i386/transitions/librm.S b/src/arch/i386/transitions/librm.S
index e916ba57..2072ee3e 100644
--- a/src/arch/i386/transitions/librm.S
+++ b/src/arch/i386/transitions/librm.S
@@ -472,6 +472,9 @@ real_call:
 	call	*rc_function
 	pushal
 
+	/* For sanity's sake, clear the direction flag as soon as possible */
+	cld
+
 	/* Switch to protected mode and move register dump back to PM stack */
 	movl	$RC_OFFSET_RETADDR, %ecx
 	pushl	$1f