[src/trunk]: src/sys/arch/mips/rmi - add compile time check in case NIPIS eve...

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

details:   https://anonhg.NetBSD.org/src/rev/586be6d376ca
branches:  trunk
changeset: 764214:586be6d376ca
user:      cliff <cliff%NetBSD.org@localhost>
date:      Thu Apr 14 05:16:28 2011 +0000

description:
- add compile time check in case NIPIS ever exceeds number of available vectors

diffstat:

 sys/arch/mips/rmi/rmixl_intr.h |  7 ++++++-
 1 files changed, 6 insertions(+), 1 deletions(-)

diffs (22 lines):

diff -r 060a8e162f3e -r 586be6d376ca sys/arch/mips/rmi/rmixl_intr.h
--- a/sys/arch/mips/rmi/rmixl_intr.h    Thu Apr 14 05:16:00 2011 +0000
+++ b/sys/arch/mips/rmi/rmixl_intr.h    Thu Apr 14 05:16:28 2011 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: rmixl_intr.h,v 1.2 2011/02/20 07:48:37 matt Exp $      */
+/*     $NetBSD: rmixl_intr.h,v 1.3 2011/04/14 05:16:28 cliff Exp $     */
 /*-
  * Copyright (c) 2010 The NetBSD Foundation, Inc.
  * All rights reserved.
@@ -56,7 +56,12 @@
 /*
  * vectors (0 <= vec < 8)  are CAUSE[8..15] (including softintrs and count/compare)
  * vectors (8 <= vec < 31) are for other non-IRT based interrupts
+ * we use one for FMN, and each IPI currently gets own vector;
+ * if NIPIS >= (32 - 8 - 1), then redesign so IPIs share vector(s)
  */
+#if NIPIS >= 23
+# error too many IPIs
+#endif
 #define RMIXL_INTRVEC_IPI      8
 #define RMIXL_INTRVEC_FMN      (RMIXL_INTRVEC_IPI + NIPIS)