[src/matt-nb8-mediatek]: src/sys/arch/arm/vfp Make the VFP is disabled after ...

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

details:   https://anonhg.NetBSD.org/src/rev/4dc4bbb07d65
branches:  matt-nb8-mediatek
changeset: 851106:4dc4bbb07d65
user:      matt <matt%NetBSD.org@localhost>
date:      Wed Dec 13 00:57:58 2017 +0000

description:
Make the VFP is disabled after disabling it.

diffstat:

 sys/arch/arm/vfp/vfp_init.c |  3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diffs (17 lines):

diff -r 3d2d272bb001 -r 4dc4bbb07d65 sys/arch/arm/vfp/vfp_init.c
--- a/sys/arch/arm/vfp/vfp_init.c       Mon Nov 06 10:40:42 2017 +0000
+++ b/sys/arch/arm/vfp/vfp_init.c       Wed Dec 13 00:57:58 2017 +0000
@@ -1,4 +1,4 @@
-/*      $NetBSD: vfp_init.c,v 1.53.2.1 2017/10/24 09:14:59 snj Exp $ */
+/*      $NetBSD: vfp_init.c,v 1.53.2.1.2.1 2017/12/13 00:57:58 matt Exp $ */
 
 /*
  * Copyright (c) 2008 ARM Ltd
@@ -642,6 +642,7 @@
        struct pcb * const pcb = lwp_getpcb(l);
 
        pcu_discard(&arm_vfp_ops, l, true);
+       KASSERT((pcb->pcb_vfp.vfp_fpexc & VFP_FPEXC_EN) == 0);
        pcb->pcb_vfp.vfp_fpscr = mcp->__fpu.__vfpregs.__vfp_fpscr;
        memcpy(pcb->pcb_vfp.vfp_regs, mcp->__fpu.__vfpregs.__vfp_fstmx,
            sizeof(mcp->__fpu.__vfpregs.__vfp_fstmx));