Tue Jun 7 01:01:43 2011 UTC ()
zero PCU area when loading used area.
(matt)
diff -r1.4 -r1.5 src/sys/arch/powerpc/booke/spe.c
diff -r1.24 -r1.25 src/sys/arch/powerpc/oea/altivec.c
diff -r1.30 -r1.31 src/sys/arch/powerpc/powerpc/fpu.c
--- src/sys/arch/powerpc/booke/spe.c 2011/05/02 06:43:16 1.4
+++ src/sys/arch/powerpc/booke/spe.c 2011/06/07 01:01:42 1.5
@@ -1,4 +1,4 @@
-/* $NetBSD: spe.c,v 1.4 2011/05/02 06:43:16 matt Exp $ */
+/* $NetBSD: spe.c,v 1.5 2011/06/07 01:01:42 matt Exp $ */
/*-
* Copyright (c) 2011 The NetBSD Foundation, Inc.
@@ -30,7 +30,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: spe.c,v 1.4 2011/05/02 06:43:16 matt Exp $");
+__KERNEL_RCSID(0, "$NetBSD: spe.c,v 1.5 2011/06/07 01:01:42 matt Exp $");
#include "opt_altivec.h"
@@ -76,6 +76,11 @@
vec_state_load(lwp_t *l, bool used)
{
struct pcb * const pcb = lwp_getpcb(l);
+
+ if (__predict_false(!vec_used_p(l))) {
+ memset(&pcb->pcb_vr, 0, sizeof(pcb->pcb_vr));
+ vec_mark_used(l);
+ }
/*
* Enable SPE temporarily (and disable interrupts).
--- src/sys/arch/powerpc/oea/altivec.c 2011/05/25 05:42:37 1.24
+++ src/sys/arch/powerpc/oea/altivec.c 2011/06/07 01:01:43 1.25
@@ -1,4 +1,4 @@
-/* $NetBSD: altivec.c,v 1.24 2011/05/25 05:42:37 matt Exp $ */
+/* $NetBSD: altivec.c,v 1.25 2011/06/07 01:01:43 matt Exp $ */
/*
* Copyright (C) 1996 Wolfgang Solfrank.
@@ -32,7 +32,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: altivec.c,v 1.24 2011/05/25 05:42:37 matt Exp $");
+__KERNEL_RCSID(0, "$NetBSD: altivec.c,v 1.25 2011/06/07 01:01:43 matt Exp $");
#include "opt_multiprocessor.h"
@@ -76,6 +76,11 @@
vec_state_load(lwp_t *l, bool used)
{
struct pcb * const pcb = lwp_getpcb(l);
+
+ if (__predict_false(!vec_used_p(l))) {
+ memset(&pcb->pcb_vr, 0, sizeof(pcb->pcb_vr));
+ vec_mark_used(l);
+ }
/*
* Enable AltiVec temporarily (and disable interrupts).
--- src/sys/arch/powerpc/powerpc/fpu.c 2011/06/07 00:48:32 1.30
+++ src/sys/arch/powerpc/powerpc/fpu.c 2011/06/07 01:01:43 1.31
@@ -1,4 +1,4 @@
-/* $NetBSD: fpu.c,v 1.30 2011/06/07 00:48:32 matt Exp $ */
+/* $NetBSD: fpu.c,v 1.31 2011/06/07 01:01:43 matt Exp $ */
/*
* Copyright (C) 1996 Wolfgang Solfrank.
@@ -32,7 +32,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: fpu.c,v 1.30 2011/06/07 00:48:32 matt Exp $");
+__KERNEL_RCSID(0, "$NetBSD: fpu.c,v 1.31 2011/06/07 01:01:43 matt Exp $");
#include "opt_multiprocessor.h"
@@ -80,8 +80,9 @@
{
struct pcb * const pcb = lwp_getpcb(l);
- if (__predict_false(!used)) {
+ if (__predict_false(!fpu_used_p(l))) {
memset(&pcb->pcb_fpu, 0, sizeof(pcb->pcb_fpu));
+ fpu_mark_used(l);
}
const register_t msr = mfmsr();