From 23bf0ad3ba740069f7ba27a226d65bb321d6b731 Mon Sep 17 00:00:00 2001
From: tholo <tholo@openbsd.org>
Date: Fri, 7 Feb 1997 08:05:01 +0000
Subject: [PATCH] Set up intrframe correctly for FPU exceptions again

---
 sys/arch/i386/i386/locore.s | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/sys/arch/i386/i386/locore.s b/sys/arch/i386/i386/locore.s
index 74f8738eee1..19a3d16eb34 100644
--- a/sys/arch/i386/i386/locore.s
+++ b/sys/arch/i386/i386/locore.s
@@ -2036,13 +2036,11 @@ IDTVEC(fpu)
 	pushl	$0			# dummy error code
 	pushl	$T_ASTFLT
 	INTRENTRY
-#if 0
-	pushl	_cpl			# this is apparently not used for anything
-#endif
-	pushl	%esp
+	pushl	_cpl			# if_ppl in intrframe
+	pushl	%esp			# push address of intrframe
 	incl	_cnt+V_TRAP
 	call	_npxintr
-	addl	$8,%esp
+	addl	$8,%esp			# pop address and if_ppl
 	INTRFASTEXIT
 #else
 	ZTRAP(T_ARITHTRAP)
-- 
2.20.1