svn commit: r258243 - head/sys/powerpc/booke

[Nathan Whitehorn]

Author: nwhitehorn
Date: Sun Nov 17 01:59:42 2013
New Revision: 258243
URL: http://svnweb.freebsd.org/changeset/base/258243

Log:
  Make sure that TLB1 mappings are aligned correctly.

Modified:
  head/sys/powerpc/booke/pmap.c

Modified: head/sys/powerpc/booke/pmap.c
==============================================================================
--- head/sys/powerpc/booke/pmap.c	Sun Nov 17 01:07:46 2013	(r258242)
+++ head/sys/powerpc/booke/pmap.c	Sun Nov 17 01:59:42 2013	(r258243)
@@ -3175,6 +3175,7 @@ pmap_early_io_map(vm_paddr_t pa, vm_size
 
 	pa_base = trunc_page(pa);
 	size = roundup(size + (pa - pa_base), PAGE_SIZE);
+	tlb1_map_base = roundup2(tlb1_map_base, 1 << (ilog2(size) & ~1));
 	va = tlb1_map_base + (pa - pa_base);
 
 	do {