From 11e9fa3a9bbbb1e9b69e0ad6954501929930063e Mon Sep 17 00:00:00 2001
From: scw <scw@NetBSD.org>
Date: Mon, 20 Jan 2003 20:09:59 +0000
Subject: [PATCH] Initialise the FPSCR to a sane value.

---
 lib/libc/arch/sh5/gen/_lwp.c        |  8 +++++++-
 lib/libc/arch/sh5/gen/makecontext.c | 10 ++++++++--
 2 files changed, 15 insertions(+), 3 deletions(-)

diff --git a/lib/libc/arch/sh5/gen/_lwp.c b/lib/libc/arch/sh5/gen/_lwp.c
index 2970444f80ac..704244e0f746 100644
--- a/lib/libc/arch/sh5/gen/_lwp.c
+++ b/lib/libc/arch/sh5/gen/_lwp.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: _lwp.c,v 1.1 2003/01/19 23:05:01 scw Exp $	*/
+/*	$NetBSD: _lwp.c,v 1.2 2003/01/20 20:09:59 scw Exp $	*/
 
 /*-
  * Copyright (c) 2001 The NetBSD Foundation, Inc.
@@ -40,6 +40,7 @@
 #include <ucontext.h>
 #include <lwp.h>
 #include <stdlib.h>
+#include <machine/fpu.h>
 
 void
 _lwp_makecontext(ucontext_t *u, void (*start)(void *),
@@ -87,4 +88,9 @@ _lwp_makecontext(ucontext_t *u, void (*start)(void *),
 	gr[_REG_TR(5)] = 0;
 	gr[_REG_TR(6)] = 0;
 	gr[_REG_TR(7)] = 0;
+
+	/*
+	 * Ensure the FPSCR is valid
+	 */
+	u->uc_mcontext.__fpregs.__fp_scr = SH5_FPSCR_DN_FLUSH_ZERO;
 }
diff --git a/lib/libc/arch/sh5/gen/makecontext.c b/lib/libc/arch/sh5/gen/makecontext.c
index 763c7eb19ae4..4a5ac40779d6 100644
--- a/lib/libc/arch/sh5/gen/makecontext.c
+++ b/lib/libc/arch/sh5/gen/makecontext.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: makecontext.c,v 1.1 2003/01/19 23:05:02 scw Exp $	*/
+/*	$NetBSD: makecontext.c,v 1.2 2003/01/20 20:09:59 scw Exp $	*/
 
 /*
  * Copyright 2003 Wasabi Systems, Inc.
@@ -38,7 +38,7 @@
 #include <sys/cdefs.h>
 
 #if defined(LIBC_SCCS) && !defined(lint)
-__RCSID("$NetBSD: makecontext.c,v 1.1 2003/01/19 23:05:02 scw Exp $");
+__RCSID("$NetBSD: makecontext.c,v 1.2 2003/01/20 20:09:59 scw Exp $");
 #endif
 
 #include <sys/types.h>
@@ -47,6 +47,7 @@ __RCSID("$NetBSD: makecontext.c,v 1.1 2003/01/19 23:05:02 scw Exp $");
 #include "extern.h"
 
 #include <stdarg.h>
+#include <machine/fpu.h>
 
 void
 makecontext(ucontext_t *ucp, void (*func)(void), int argc, ...)
@@ -94,6 +95,11 @@ makecontext(ucontext_t *ucp, void (*func)(void), int argc, ...)
 	gr[_REG_TR(6)] = 0;
 	gr[_REG_TR(7)] = 0;
 
+	/*
+	 * Ensure the FPSCR is valid
+	 */
+	ucp->uc_mcontext.__fpregs.__fp_scr = SH5_FPSCR_DN_FLUSH_ZERO;
+
 	va_start(ap, argc);
 
 	/*