--- a/src/sh4/sh4mem.c	Tue Jan 15 20:50:23 2008 +0000
+++ b/src/sh4/sh4mem.c	Tue Jan 22 10:06:41 2008 +0000
@@ -425,12 +425,11 @@
 
 sh4ptr_t sh4_get_region_by_vma( sh4addr_t vma )
 {
-    uint64_t ppa = mmu_vma_to_phys_read(vma);
-    if( ppa>>32 ) {
-	return 0;
+    sh4addr_t addr = mmu_vma_to_phys_read(vma);
+    if( addr == MMU_VMA_ERROR ) {
+	return NULL;
     }
 
-    sh4addr_t addr = (sh4addr_t)ppa;
     sh4ptr_t page = page_map[ (addr & 0x1FFFFFFF) >> 12 ];
     if( ((uintptr_t)page) < MAX_IO_REGIONS ) { /* IO Region */
         return NULL;