CVS commit: src/sys/arch/powerpc

[Matt Thomas]

Module Name:    src
Committed By:   matt
Date:           Tue Jun  7 01:01:43 UTC 2011

Modified Files:
        src/sys/arch/powerpc/booke: spe.c
        src/sys/arch/powerpc/oea: altivec.c
        src/sys/arch/powerpc/powerpc: fpu.c

Log Message:
zero PCU area when loading used area.


To generate a diff of this commit:
cvs rdiff -u -r1.4 -r1.5 src/sys/arch/powerpc/booke/spe.c
cvs rdiff -u -r1.24 -r1.25 src/sys/arch/powerpc/oea/altivec.c
cvs rdiff -u -r1.30 -r1.31 src/sys/arch/powerpc/powerpc/fpu.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.


Modified files:

Index: src/sys/arch/powerpc/booke/spe.c
diff -u src/sys/arch/powerpc/booke/spe.c:1.4 src/sys/arch/powerpc/booke/spe.c:1.5
--- src/sys/arch/powerpc/booke/spe.c:1.4	Mon May  2 06:43:16 2011
+++ src/sys/arch/powerpc/booke/spe.c	Tue Jun  7 01:01:42 2011
@@ -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"
 
@@ -77,6 +77,11 @@
 {
 	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).
 	 */

Index: src/sys/arch/powerpc/oea/altivec.c
diff -u src/sys/arch/powerpc/oea/altivec.c:1.24 src/sys/arch/powerpc/oea/altivec.c:1.25
--- src/sys/arch/powerpc/oea/altivec.c:1.24	Wed May 25 05:42:37 2011
+++ src/sys/arch/powerpc/oea/altivec.c	Tue Jun  7 01:01:43 2011
@@ -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"
 
@@ -77,6 +77,11 @@
 {
 	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).
 	 */

Index: src/sys/arch/powerpc/powerpc/fpu.c
diff -u src/sys/arch/powerpc/powerpc/fpu.c:1.30 src/sys/arch/powerpc/powerpc/fpu.c:1.31
--- src/sys/arch/powerpc/powerpc/fpu.c:1.30	Tue Jun  7 00:48:32 2011
+++ src/sys/arch/powerpc/powerpc/fpu.c	Tue Jun  7 01:01:43 2011
@@ -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();