Add memory attributes for stage-2 pagetables.

ok kettenis@

diff --git a/sys/arch/arm64/include/pte.h b/sys/arch/arm64/include/pte.h
index 9c566b8..c6fa321 100644 (file)
--- a/sys/arch/arm64/include/pte.h
+++ b/sys/arch/arm64/include/pte.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: pte.h,v 1.6 2021/02/16 12:33:22 kettenis Exp $ */
+/* $OpenBSD: pte.h,v 1.7 2021/02/28 21:28:33 patrick Exp $ */
 /*
  * Copyright (c) 2014 Dale Rahn <drahn@dalerahn.com>
  *
@@ -59,6 +59,12 @@
 #define                PTE_ATTR_WB             3
 #define                PTE_ATTR_WT             4
 
+#define                PTE_MEMATTR_DEV_NGNRNE  0x0
+#define                PTE_MEMATTR_DEV_NGNRE   0x1
+#define                PTE_MEMATTR_CI          0x5
+#define                PTE_MEMATTR_WB          0xf
+#define                PTE_MEMATTR_WT          0xa
+
 #define                SH_INNER        3
 #define                SH_OUTER        2
 #define                SH_NONE         0