endianness fix


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1586 c046a42c-6fe2-441c-8c8c-71466251a162
diff --git a/hw/iommu.c b/hw/iommu.c
index 6defe61..e7d96c8 100644
--- a/hw/iommu.c
+++ b/hw/iommu.c
@@ -194,8 +194,7 @@
     iopte = s->regs[1] << 4;
     addr &= ~s->iostart;
     iopte += (addr >> (PAGE_SHIFT - 2)) & ~3;
-    cpu_physical_memory_read(iopte, (void *) &pa, 4);
-    bswap32s(&pa);
+    pa = ldl_phys(iopte);
     tmppte = pa;
     pa = ((pa & IOPTE_PAGE) << 4) + (addr & PAGE_MASK);
     DPRINTF("xlate dva %x => pa %x (iopte[%x] = %x)\n", addr, pa, iopte, tmppte);