[src/trunk]: src/sys/arch/powerpc/mpc6xx If we get a secondary CPU on a non-M...

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

details:   https://anonhg.NetBSD.org/src/rev/0dec1c426a13
branches:  trunk
changeset: 516346:0dec1c426a13
user:      thorpej <thorpej%NetBSD.org@localhost>
date:      Mon Oct 22 01:45:51 2001 +0000

description:
If we get a secondary CPU on a non-MP kernel, bail out early
and print a message about why.  This prevents the primary CPU's
cpu_info from being scribbled over w/ secondary CPU info.

diffstat:

 sys/arch/powerpc/mpc6xx/cpu_subr.c |  14 +++++++++++++-
 1 files changed, 13 insertions(+), 1 deletions(-)

diffs (30 lines):

diff -r d3b250b66677 -r 0dec1c426a13 sys/arch/powerpc/mpc6xx/cpu_subr.c
--- a/sys/arch/powerpc/mpc6xx/cpu_subr.c        Mon Oct 22 00:55:00 2001 +0000
+++ b/sys/arch/powerpc/mpc6xx/cpu_subr.c        Mon Oct 22 01:45:51 2001 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: cpu_subr.c,v 1.2 2001/10/20 08:23:49 billc Exp $       */
+/*     $NetBSD: cpu_subr.c,v 1.3 2001/10/22 01:45:51 thorpej Exp $     */
 
 /*-
  * Copyright (c) 2001 Matt Thomas.
@@ -68,8 +68,20 @@
 #ifdef MULTIPROCESSOR
        ci = &cpu_info[id];
 #else
+       /*
+        * If this isn't the primary CPU, print an error message
+        * and just bail out.
+        */
+       if (id != 0) {
+               printf(": ID %d\n", id);
+               printf("%s: processor off-line; multiprocessor support "
+                   "not present in kernel\n", self->dv_xname);
+               return (NULL);
+       }
+
        ci = &cpu_info_store;
 #endif
+
        ci->ci_cpuid = id;
        ci->ci_intrdepth = -1;
        ci->ci_dev = self;