[src/trunk]: src/sys/arch/powerpc/booke Add an e500_idlespin to detect calls ...

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

details:   https://anonhg.NetBSD.org/src/rev/f752984ff365
branches:  trunk
changeset: 765857:f752984ff365
user:      matt <matt%NetBSD.org@localhost>
date:      Wed Jun 08 05:13:00 2011 +0000

description:
Add an e500_idlespin to detect calls to idlespin when interrupts are blocked
or disabled.

diffstat:

 sys/arch/powerpc/booke/e500_intr.c |  16 +++++++++++++++-
 1 files changed, 15 insertions(+), 1 deletions(-)

diffs (37 lines):

diff -r 63a08b299a40 -r f752984ff365 sys/arch/powerpc/booke/e500_intr.c
--- a/sys/arch/powerpc/booke/e500_intr.c        Wed Jun 08 05:11:07 2011 +0000
+++ b/sys/arch/powerpc/booke/e500_intr.c        Wed Jun 08 05:13:00 2011 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: e500_intr.c,v 1.8 2011/06/05 16:52:24 matt Exp $       */
+/*     $NetBSD: e500_intr.c,v 1.9 2011/06/08 05:13:00 matt Exp $       */
 /*-
  * Copyright (c) 2010, 2011 The NetBSD Foundation, Inc.
  * All rights reserved.
@@ -1120,6 +1120,18 @@
 }
 
 static void
+e500_idlespin(void)
+{
+       KASSERTMSG(curcpu()->ci_cpl == IPL_NONE,
+           ("%s: cpu%u: ci_cpl (%d) != 0", __func__, cpu_number(),
+            curcpu()->ci_cpl));
+       KASSERTMSG(CTPR2IPL(openpic_read(curcpu()->ci_softc, OPENPIC_CTPR)) == IPL_NONE,
+           ("%s: cpu%u: CTPR (%d) != IPL_NONE", __func__, cpu_number(),
+            CTPR2IPL(openpic_read(curcpu()->ci_softc, OPENPIC_CTPR))));
+       KASSERT(mfmsr() & PSL_EE);
+}
+
+static void
 e500_intr_cpu_attach(struct cpu_info *ci)
 {
        struct cpu_softc * const cpu = ci->ci_softc;
@@ -1180,6 +1192,8 @@
                evcnt_attach_dynamic(evcnt, EVCNT_TYPE_INTR,
                    NULL, xname, e500_mi_intr_names[j].in_name);
        }
+
+       ci->ci_idlespin = e500_idlespin;
 }
 
 static void