svn commit: r365479 - head/sys/powerpc/powerpc

[Brandon Bergren]

Author: bdragon
Date: Tue Sep  8 22:42:41 2020
New Revision: 365479
URL: https://svnweb.freebsd.org/changeset/base/365479

Log:
  [PowerPC] Add root_pic assertion.
  
  When enabling an interrupt, assert that we do in fact have a root PIC.
  
  This would have saved me some debugging effort.
  
  Sponsored by:	Tag1 Consulting, Inc.

Modified:
  head/sys/powerpc/powerpc/intr_machdep.c

Modified: head/sys/powerpc/powerpc/intr_machdep.c
==============================================================================
--- head/sys/powerpc/powerpc/intr_machdep.c	Tue Sep  8 22:41:35 2020	(r365478)
+++ head/sys/powerpc/powerpc/intr_machdep.c	Tue Sep  8 22:42:41 2020	(r365479)
@@ -457,6 +457,8 @@ powerpc_enable_intr(void)
 	if (root_pic == NULL)
 		root_pic = piclist[0].dev;
 
+	KASSERT(root_pic != NULL, ("no root PIC!"));
+
 #ifdef SMP
 	/* Install an IPI handler. */
 	if (mp_ncpus > 1) {