From 90af01bef3ace62fb92ceb5a0b251180fd349621 Mon Sep 17 00:00:00 2001
From: Peter Wemm <peter@FreeBSD.org>
Date: Fri, 27 Sep 1996 13:33:49 +0000
Subject: [PATCH] Apparently, BSDI have a new system call gate.  I was
 experimenting with this quite a while ago when somebody reported a BSD/OS 2.1
 binary that wouldn't run.  I'm pretty sure they tried it and I'm pretty sure
 they mentioned to me that the patch worked.

---
 sys/amd64/include/segments.h | 5 +++--
 sys/i386/include/segments.h  | 5 +++--
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/sys/amd64/include/segments.h b/sys/amd64/include/segments.h
index 5fadb985345b..69bdc772468f 100644
--- a/sys/amd64/include/segments.h
+++ b/sys/amd64/include/segments.h
@@ -35,7 +35,7 @@
  * SUCH DAMAGE.
  *
  *	from: @(#)segments.h	7.1 (Berkeley) 5/9/91
- *	$Id: segments.h,v 1.9 1995/05/30 08:00:50 rgrimes Exp $
+ *	$Id: segments.h,v 1.10 1996/01/30 22:54:59 mpp Exp $
  */
 
 #ifndef _MACHINE_SEGMENTS_H_
@@ -228,7 +228,8 @@ struct region_descriptor {
 #define	LUDATA_SEL	4
 /* separate stack, es,fs,gs sels ? */
 /* #define	LPOSIXCALLS_SEL	5*/	/* notyet */
-#define NLDT		(LUDATA_SEL + 1)
+#define LBSDICALLS_SEL	16	/* BSDI system call gate */
+#define NLDT		(LBSDICALLS_SEL + 1)
 
 #ifdef KERNEL
 extern int	currentldt;
diff --git a/sys/i386/include/segments.h b/sys/i386/include/segments.h
index 5fadb985345b..69bdc772468f 100644
--- a/sys/i386/include/segments.h
+++ b/sys/i386/include/segments.h
@@ -35,7 +35,7 @@
  * SUCH DAMAGE.
  *
  *	from: @(#)segments.h	7.1 (Berkeley) 5/9/91
- *	$Id: segments.h,v 1.9 1995/05/30 08:00:50 rgrimes Exp $
+ *	$Id: segments.h,v 1.10 1996/01/30 22:54:59 mpp Exp $
  */
 
 #ifndef _MACHINE_SEGMENTS_H_
@@ -228,7 +228,8 @@ struct region_descriptor {
 #define	LUDATA_SEL	4
 /* separate stack, es,fs,gs sels ? */
 /* #define	LPOSIXCALLS_SEL	5*/	/* notyet */
-#define NLDT		(LUDATA_SEL + 1)
+#define LBSDICALLS_SEL	16	/* BSDI system call gate */
+#define NLDT		(LBSDICALLS_SEL + 1)
 
 #ifdef KERNEL
 extern int	currentldt;