From 1be9867c3e45c64c48e6f050b30f7f5cd03c6eb3 Mon Sep 17 00:00:00 2001
From: Theo de Raadt <deraadt@cvs.openbsd.org>
Date: Tue, 26 Dec 1995 20:29:51 +0000
Subject: from netbsd; enable cpu_swapout(), which must save npx state

---
 sys/arch/i386/i386/vm_machdep.c | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

(limited to 'sys')

diff --git a/sys/arch/i386/i386/vm_machdep.c b/sys/arch/i386/i386/vm_machdep.c
index 6adf2874c17..2b4452abf56 100644
--- a/sys/arch/i386/i386/vm_machdep.c
+++ b/sys/arch/i386/i386/vm_machdep.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: vm_machdep.c,v 1.55 1995/12/09 04:37:44 mycroft Exp $	*/
+/*	$NetBSD: vm_machdep.c,v 1.56 1995/12/24 01:07:32 mycroft Exp $	*/
 
 /*-
  * Copyright (c) 1995 Charles M. Hannum.  All rights reserved.
@@ -156,6 +156,20 @@ cpu_set_kpc(p, pc)
 	sf->sf_esi = pc;
 }
 
+void
+cpu_swapout(p)
+	struct proc *p;
+{
+
+#if NNPX > 0
+	/*
+	 * Make sure we save the FP state before the user area vanishes.
+	 */
+	if (npxproc == p)
+		npxsave();
+#endif
+}
+
 /*
  * cpu_exit is called as the last action during exit.
  *
-- 
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