[src/trunk]: src/sys/arch/powerpc/powerpc Print a more informative is a uncat...

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

details:   https://anonhg.NetBSD.org/src/rev/f854aad3afc2
branches:  trunk
changeset: 510954:f854aad3afc2
user:      matt <matt%NetBSD.org@localhost>
date:      Sun Jun 10 07:49:13 2001 +0000

description:
Print a more informative is a uncatchabl DSI or ISI exeception happens in
kernel mode.

diffstat:

 sys/arch/powerpc/powerpc/trap.c |  12 ++++++++++--
 1 files changed, 10 insertions(+), 2 deletions(-)

diffs (40 lines):

diff -r 8345eeea256b -r f854aad3afc2 sys/arch/powerpc/powerpc/trap.c
--- a/sys/arch/powerpc/powerpc/trap.c   Sun Jun 10 06:17:15 2001 +0000
+++ b/sys/arch/powerpc/powerpc/trap.c   Sun Jun 10 07:49:13 2001 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: trap.c,v 1.43 2001/06/06 17:36:03 matt Exp $   */
+/*     $NetBSD: trap.c,v 1.44 2001/06/10 07:49:13 matt Exp $   */
 
 /*
  * Copyright (C) 1995, 1996 Wolfgang Solfrank.
@@ -133,7 +133,10 @@
                        }
                        map = kernel_map;
                }
-               goto brain_damage;
+               printf("trap: kernel %s DSI @ %#x by %#x (DSISR %#x)\n",
+                   (frame->dsisr & DSISR_STORE) ? "write" : "read",
+                   frame->dar, frame->srr0, frame->dsisr);
+               goto brain_damage2;
        case EXC_DSI|EXC_USER:
                KERNEL_PROC_LOCK(p);
                if (frame->dsisr & DSISR_STORE)
@@ -158,6 +161,10 @@
                }
                KERNEL_PROC_UNLOCK(p);
                break;
+       case EXC_ISI:
+               printf("trap: kernel ISI by %#x (SRR1 %#x)\n",
+                   frame->dar, frame->srr0, frame->srr1);
+               goto brain_damage2;
        case EXC_ISI|EXC_USER:
                KERNEL_PROC_LOCK(p);
                ftype = VM_PROT_READ | VM_PROT_EXECUTE;
@@ -338,6 +345,7 @@
        default:
 brain_damage:
                printf("trap type %x at %x\n", type, frame->srr0);
+brain_damage2:
 #ifdef DDB
                if (kdb_trap(type, frame))
                        return;