Index: projects/arm64/sys/arm64/include/pte.h
===================================================================
--- projects/arm64/sys/arm64/include/pte.h	(revision 262269)
+++ projects/arm64/sys/arm64/include/pte.h	(revision 262270)
@@ -1,47 +1,84 @@
 /*	$NetBSD: pte.h,v 1.1 2001/11/23 17:39:04 thorpej Exp $	*/
 
 /*-
  * Copyright (c) 1994 Mark Brinicombe.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  * 3. All advertising materials mentioning features or use of this software
  *    must display the following acknowledgement:
  *	This product includes software developed by the RiscBSD team.
  * 4. The name "RiscBSD" nor the name of the author may be used to
  *    endorse or promote products derived from this software without specific
  *    prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY RISCBSD ``AS IS'' AND ANY EXPRESS OR IMPLIED
  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  * IN NO EVENT SHALL RISCBSD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
  * $FreeBSD$
  */
 
 #ifndef _MACHINE_PTE_H_
 #define _MACHINE_PTE_H_
 
 #ifndef LOCORE
 typedef	uint64_t	pd_entry_t;		/* page directory entry */
 typedef	uint64_t	pt_entry_t;		/* page table entry */
 #endif
 
+/* Block and Page attributes */
+/* TODO: Add the upper attributes */
+#define	ATTR_nG		(1 << 11)
+#define	ATTR_AF		(1 << 10)
+#define	ATTR_SH(x)	((x) << 8)
+#define	ATTR_AP(x)	((x) << 6)
+#define	ATTR_NS		(1 << 5)
+#define	ATTR_IDX(x)	((x) << 3)
+
+/* Level 0 table, 512GiB per entry */
+#define	L0_SHIFT	39
+#define	L0_INVAL	0x0 /* An invalid address */
+#define	L0_BLOCK	0x1 /* A block */
+	/* 0x2 also marks an invalid address */
+#define	L0_TABLE	0x3 /* A next-level table */
+
+/* Level 1 table, 1GiB per entry */
+#define	L1_SHIFT	30
+#define	L1_INVAL	L0_INVAL
+#define	L1_BLOCK	L0_BLOCK
+#define	L1_TABLE	L0_TABLE
+
+/* Level 2 table, 2MiB per entry */
+#define	L2_SHIFT	21
+#define	L2_INVAL	L0_INVAL
+#define	L2_BLOCK	L0_BLOCK
+#define	L2_TABLE	L0_TABLE
+
+/* Level 3 table, 4KiB per entry */
+#define	L3_SHIFT	12
+#define	L3_INVAL	0x0
+	/* 0x1 is reserved */
+	/* 0x2 also marks an invalid address */
+#define	L3_TABLE	0x3
+
+#define	Ln_ADDR_MASK	((1 << 9) - 1)
+
 #endif /* !_MACHINE_PTE_H_ */
 
 /* End of pte.h */