Add ummapiodev() functionality, to mirror mapiodev().

diff --git a/sys/arch/powerpc/powerpc/machdep.c b/sys/arch/powerpc/powerpc/machdep.c
index 7a3e6a6..54b7523 100644 (file)
--- a/sys/arch/powerpc/powerpc/machdep.c
+++ b/sys/arch/powerpc/powerpc/machdep.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: machdep.c,v 1.36 2000/03/23 09:59:56 art Exp $        */
+/*     $OpenBSD: machdep.c,v 1.37 2000/03/31 04:09:31 rahnds Exp $     */
 /*     $NetBSD: machdep.c,v 1.4 1996/10/16 19:33:11 ws Exp $   */
 
 /*
@@ -1206,6 +1206,33 @@ mapiodev(pa, len)
        }
        return (void*) (va+off);
 }
+void 
+unmapiodev(va, size)
+       void *va;
+       psize_t size;
+{
+       vaddr_t vaddr;
+
+       vaddr = trunc_page(va);
+
+#ifdef UVM
+       uvm_km_free_wakeup(phys_map, vaddr, size);
+#else
+       kmem_free_wakeup(phys_map, vaddr, size);
+#endif
+
+       for (; size > 0; size -= NBPG) {
+#if 0
+               pmap_remove(vm_map_pmap(phys_map), vaddr, vaddr+NBPG-1);
+#else
+               pmap_remove(pmap_kernel(), vaddr,  vaddr+NBPG-1);
+#endif
+               vaddr += NBPG;
+       }
+       return;
+}
+
+
 
 /*
  * probably should be ppc_space_copy