[src/trunk]: src/sys/arch/powerpc/oea Don't preserve PSL_FP/PSL_VEC in cpu_se...

[matt <matt%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/2d3abe6c33e2
branches:  trunk
changeset: 809365:2d3abe6c33e2
user:      matt <matt%NetBSD.org@localhost>
date:      Mon Jul 06 05:20:50 2015 +0000

description:
Don't preserve PSL_FP/PSL_VEC in cpu_setmcontext.

diffstat:

 sys/arch/powerpc/oea/oea_machdep.c |  11 ++++-------
 1 files changed, 4 insertions(+), 7 deletions(-)

diffs (40 lines):

diff -r f7068288a64d -r 2d3abe6c33e2 sys/arch/powerpc/oea/oea_machdep.c
--- a/sys/arch/powerpc/oea/oea_machdep.c        Mon Jul 06 05:03:56 2015 +0000
+++ b/sys/arch/powerpc/oea/oea_machdep.c        Mon Jul 06 05:20:50 2015 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: oea_machdep.c,v 1.71 2014/03/24 19:29:59 christos Exp $        */
+/*     $NetBSD: oea_machdep.c,v 1.72 2015/07/06 05:20:50 matt Exp $    */
 
 /*
  * Copyright (C) 2002 Matt Thomas
@@ -33,7 +33,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: oea_machdep.c,v 1.71 2014/03/24 19:29:59 christos Exp $");
+__KERNEL_RCSID(0, "$NetBSD: oea_machdep.c,v 1.72 2015/07/06 05:20:50 matt Exp $");
 
 #include "opt_ppcarch.h"
 #include "opt_compat_netbsd.h"
@@ -440,19 +440,16 @@
 
         /*
         * Configure a PSL user mask matching this processor.
+        * Don't allow to set PSL_FP/PSL_VEC, since that will affect PCU.
         */
        cpu_psluserset = PSL_EE | PSL_PR | PSL_ME | PSL_IR | PSL_DR | PSL_RI;
-       cpu_pslusermod = PSL_FP | PSL_FE0 | PSL_FE1 | PSL_LE | PSL_SE | PSL_BE;
+       cpu_pslusermod = PSL_FE0 | PSL_FE1 | PSL_LE | PSL_SE | PSL_BE;
 #ifdef PPC_OEA601
        if (cpuvers == MPC601) {
                cpu_psluserset &= PSL_601_MASK;
                cpu_pslusermod &= PSL_601_MASK;
        }
 #endif
-#ifdef ALTIVEC
-       if (cpu_altivec)
-               cpu_pslusermod |= PSL_VEC;
-#endif
 #ifdef PPC_HIGH_VEC
        cpu_psluserset |= PSL_IP;       /* XXX ok? */
 #endif