svn commit: r204004 - projects/ppc64/sys/powerpc/aim

[Nathan Whitehorn]

Author: nwhitehorn
Date: Wed Feb 17 14:27:36 2010
New Revision: 204004
URL: http://svn.freebsd.org/changeset/base/204004

Log:
  Make moea64_syncicache() work correctly for non-page-aligned memory in
  non-kernel pmaps.

Modified:
  projects/ppc64/sys/powerpc/aim/mmu_oea64.c

Modified: projects/ppc64/sys/powerpc/aim/mmu_oea64.c
==============================================================================
--- projects/ppc64/sys/powerpc/aim/mmu_oea64.c	Wed Feb 17 13:06:06 2010	(r204003)
+++ projects/ppc64/sys/powerpc/aim/mmu_oea64.c	Wed Feb 17 14:27:36 2010	(r204004)
@@ -1367,6 +1367,7 @@ moea64_enter_locked(pmap_t pmap, vm_offs
 static void
 moea64_syncicache(pmap_t pmap, vm_offset_t va, vm_offset_t pa, vm_size_t sz)
 {
+
 	/*
 	 * This is much trickier than on older systems because
 	 * we can't sync the icache on physical addresses directly
@@ -1389,8 +1390,9 @@ moea64_syncicache(pmap_t pmap, vm_offset
 
 		mtx_lock(&moea64_scratchpage_mtx);
 
-		moea64_set_scratchpage_pa(1,pa);
-		__syncicache((void *)moea64_scratchpage_va[1], sz);
+		moea64_set_scratchpage_pa(1,pa & ~ADDR_POFF);
+		__syncicache((void *)(moea64_scratchpage_va[1] + 
+		    (va & ADDR_POFF)), sz);
 
 		mtx_unlock(&moea64_scratchpage_mtx);
 	}