Make sure that TLB1 mappings are aligned correctly.

2013-11-17 01:59:42 +00:00 · 2013-11-17 01:59:42 +00:00 · 3e8a850064
commit 3e8a850064
parent 25371bcfa5
1 changed files with 1 additions and 0 deletions
--- a/sys/powerpc/booke/pmap.c
+++ b/sys/powerpc/booke/pmap.c
@ -3175,6 +3175,7 @@ pmap_early_io_map(vm_paddr_t pa, vm_size_t 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 {