[src/trunk]: src/sys/arch/vax/vax Use interrupt stack for unexpected interrupts.

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

details:   https://anonhg.NetBSD.org/src/rev/0c17e7a95ca4
branches:  trunk
changeset: 475854:0c17e7a95ca4
user:      ragge <ragge%NetBSD.org@localhost>
date:      Fri Aug 27 20:00:24 1999 +0000

description:
Use interrupt stack for unexpected interrupts.

diffstat:

 sys/arch/vax/vax/scb.c |  5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

diffs (33 lines):

diff -r 4c9d08e98917 -r 0c17e7a95ca4 sys/arch/vax/vax/scb.c
--- a/sys/arch/vax/vax/scb.c    Fri Aug 27 19:38:29 1999 +0000
+++ b/sys/arch/vax/vax/scb.c    Fri Aug 27 20:00:24 1999 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: scb.c,v 1.6 1999/08/14 18:42:17 ragge Exp $ */
+/*     $NetBSD: scb.c,v 1.7 1999/08/27 20:00:24 ragge Exp $ */
 /*
  * Copyright (c) 1999 Ludd, University of Lule}, Sweden.
  * All rights reserved.
@@ -40,6 +40,7 @@
 #include <machine/scb.h>
 #include <machine/frame.h>
 #include <machine/cpu.h>
+#include <machine/sid.h>
 #include <machine/mtpr.h>
 
 static void scb_stray __P((int));
@@ -65,6 +66,7 @@
        /* Init the whole SCB with interrupt catchers */
        for (i = 0; i < (scb_size * VAX_NBPG)/4; i++) {
                ivec[i] = &scb_vec[i];
+               (int)ivec[i] |= 1; /* On istack, please */
                memcpy(&scb_vec[i], &idsptch, sizeof(struct ivec_dsp));
                scb_vec[i].hoppaddr = scb_stray;
        }
@@ -102,6 +104,7 @@
                printf("stray interrupt: vector 0x%x, ipl %d\n", vector, ipl);
        else
                a[8] = (a[8] & 0xffe0ffff) | ipl << 16;
+
        mtpr(ipl + 1, PR_IPL);
 }