[src/trunk]: src/sys/arch/hp300/include Make sure MAXADDR is unsigned otherwi...

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

details:   https://anonhg.NetBSD.org/src/rev/2ee268f3ef91
branches:  trunk
changeset: 760059:2ee268f3ef91
user:      tsutsui <tsutsui%NetBSD.org@localhost>
date:      Sat Dec 25 15:05:22 2010 +0000

description:
Make sure MAXADDR is unsigned otherwise it could be mangled in shift ops
and causes silent hang on bootstrap.  Analyzed on HP9000/362 I get today,
but I'm not sure how 040 lkptpa code has worked on my HP382...

diffstat:

 sys/arch/hp300/include/cpu.h |  4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diffs (18 lines):

diff -r 921faeb2689b -r 2ee268f3ef91 sys/arch/hp300/include/cpu.h
--- a/sys/arch/hp300/include/cpu.h      Sat Dec 25 14:42:59 2010 +0000
+++ b/sys/arch/hp300/include/cpu.h      Sat Dec 25 15:05:22 2010 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: cpu.h,v 1.63 2010/12/22 02:42:27 matt Exp $    */
+/*     $NetBSD: cpu.h,v 1.64 2010/12/25 15:05:22 tsutsui Exp $ */
 
 /*
  * Copyright (c) 1982, 1990, 1993
@@ -194,7 +194,7 @@
 #define        INTIOTOP        (0x00600000)
 #define        EXTIOBASE       (0x00600000)
 #define        EXTIOTOP        (0x20000000)
-#define        MAXADDR         (0 - NBPG)
+#define        MAXADDR         ((paddr_t)(0 - NBPG))
 
 /*
  * Internal IO space: