Add compile time asserts to make sure we have properly picked up types

for a 64bit cpu and 64bit openfirmware.

sys/arch/sparc/stand/ofwboot/Locore.c

@@ -1,4 +1,4 @@
-/*	$NetBSD: Locore.c,v 1.14 2015/03/27 06:07:33 nakayama Exp $	*/
+/*	$NetBSD: Locore.c,v 1.15 2015/10/10 06:50:25 martin Exp $	*/
 
 /*
  * Copyright (C) 1995, 1996 Wolfgang Solfrank.
@@ -36,6 +36,15 @@
 
 #include <machine/cpu.h>
 
+/*
+ * We are trying to boot a sparc v9 cpu, so openfirmware has to be 64bit,
+ * and the kernel we load will be dealing with 64bits too (even if it is
+ * a 32bit kernel.
+ * Make sure we picked up the right defines:
+ */
+__CTASSERT(sizeof(cell_t)==8);
+__CTASSERT(sizeof(paddr_t)==8);
+
 extern int openfirmware(void *);