From: tholo <tholo@openbsd.org>
Date: Fri, 7 Feb 1997 08:05:01 +0000 (+0000)
Subject: Set up intrframe correctly for FPU exceptions again
X-Git-Url: http://artulab.com/gitweb/?a=commitdiff_plain;h=23bf0ad3ba740069f7ba27a226d65bb321d6b731;p=openbsd

Set up intrframe correctly for FPU exceptions again
---

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)