from ragge; add uvtopte() macro, to get user pte address easily

diff --git a/sys/arch/vax/include/pte.h b/sys/arch/vax/include/pte.h
index fb5bd91..1251b7f 100644 (file)
--- a/sys/arch/vax/include/pte.h
+++ b/sys/arch/vax/include/pte.h
@@ -1,4 +1,4 @@
-/*      $NetBSD: pte.h,v 1.6 1995/11/12 14:40:26 ragge Exp $      */
+/*      $NetBSD: pte.h,v 1.7 1996/01/28 12:31:24 ragge Exp $      */
 
 /*
  * Copyright (c) 1994 Ludd, University of Lule}, Sweden.
@@ -86,3 +86,7 @@ extern pt_entry_t *Sysmap;
        ((((pt_entry_t *)(pt) - Sysmap) << PGSHIFT) + 0x80000000)
 #define        kvtophys(va) \
        (((kvtopte(va))->pg_pfn << PGSHIFT) | ((int)(va) & PGOFSET))
+#define        uvtopte(va, pcb) \
+       (((unsigned)va < 0x40000000) || ((unsigned)va > 0x40000000) ? \
+       &((pcb->P0BR)[(unsigned)va >> PGSHIFT]) : \
+       &((pcb->P1BR)[((unsigned)va & 0x3fffffff) >> PGSHIFT]))