[src/trunk]: src/sys/arch/mips/mips re-enable 64bit addressing in n32 kernels

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

details:   https://anonhg.NetBSD.org/src/rev/21857131f019
branches:  trunk
changeset: 433322:21857131f019
user:      macallan <macallan%NetBSD.org@localhost>
date:      Fri Sep 07 21:14:45 2018 +0000

description:
re-enable 64bit addressing in n32 kernels
Now these work again, at least on my Indy.

diffstat:

 sys/arch/mips/mips/locore.S |  11 ++++++++---
 1 files changed, 8 insertions(+), 3 deletions(-)

diffs (37 lines):

diff -r 4a3da948d092 -r 21857131f019 sys/arch/mips/mips/locore.S
--- a/sys/arch/mips/mips/locore.S       Fri Sep 07 20:44:04 2018 +0000
+++ b/sys/arch/mips/mips/locore.S       Fri Sep 07 21:14:45 2018 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: locore.S,v 1.218 2018/03/28 17:56:52 maya Exp $        */
+/*     $NetBSD: locore.S,v 1.219 2018/09/07 21:14:45 macallan Exp $    */
 
 /*
  * Copyright (c) 1992, 1993
@@ -63,7 +63,7 @@
 #include <mips/trap.h>
 #include <mips/locore.h>
 
-RCSID("$NetBSD: locore.S,v 1.218 2018/03/28 17:56:52 maya Exp $")
+RCSID("$NetBSD: locore.S,v 1.219 2018/09/07 21:14:45 macallan Exp $")
 
 #include "assym.h"
 
@@ -87,12 +87,17 @@
        mtc0    k0, MIPS_COP_0_STATUS
        COP0_SYNC
 
-#ifdef _LP64
+#if defined(_LP64) 
        /* Enable 64-bit addressing */
        mfc0    k0, MIPS_COP_0_STATUS
        MFC0_HAZARD
        or      k0, MIPS_SR_KX | MIPS_SR_UX
        mtc0    k0, MIPS_COP_0_STATUS
+#elif defined(__mips_n32)
+        mfc0    k0, MIPS_COP_0_STATUS
+        MFC0_HAZARD
+        or      k0, MIPS_SR_KX
+        mtc0    k0, MIPS_COP_0_STATUS
 #endif
 
 #ifdef HPCMIPS_L1CACHE_DISABLE