X-Git-Url: https://git.subgeniuskitty.com/unix-history/.git/blobdiff_plain/c66823426a625ffe3b132559fc80f867460ceba9..ad7871609881e73855d0b04da49b486cd93efca7:/usr/src/sys/luna68k/luna68k/pte.h

diff --git a/usr/src/sys/luna68k/luna68k/pte.h b/usr/src/sys/luna68k/luna68k/pte.h
index 26e8ba5a6a..a94026d9e3 100644
--- a/usr/src/sys/luna68k/luna68k/pte.h
+++ b/usr/src/sys/luna68k/luna68k/pte.h
@@ -1,21 +1,45 @@
 /*
  * Copyright (c) 1988 University of Utah.
  * Copyright (c) 1992 OMRON Corporation.
- * Copyright (c) 1982, 1986, 1990, 1992 The Regents of the University of California.
- * All rights reserved.
+ * Copyright (c) 1982, 1986, 1990, 1992, 1993
+ *	The Regents of the University of California.  All rights reserved.
  *
  * This code is derived from software contributed to Berkeley by
  * the Systems Programming Group of the University of Utah Computer
  * Science Department.
  *
- * %sccs.include.redist.c%
+ * 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 University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
  *
- * from: Utah $Hdr: pte.h 1.13 92/01/20$
- * OMRON: $Id: pte.h,v 1.2 92/06/14 06:22:11 moti Exp $
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 THE REGENTS 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.
  *
- * from: hp300/hp300/pte.h	7.1 (Berkeley) 6/4/92
+ * from: Utah $Hdr: pte.h 1.13 92/01/20$
+ * from: hp300/hp300/pte.h	7.4 (Berkeley) 6/5/92
  *
- *	@(#)pte.h	7.1 (Berkeley) %G%
+ *	@(#)pte.h	8.1 (Berkeley) 6/10/93
  */
 
 /*
@@ -30,6 +54,14 @@ struct ste {
 	unsigned int	sg_v:2;		/* valid bits */
 };
 
+struct ste40 {
+	unsigned int	sg_ptaddr:24;	/* page table page addr */
+	unsigned int	:4;		/* reserved at 0 */
+	unsigned int	sg_u;		/* hardware modified (dirty) bit */
+	unsigned int	sg_prot:1;	/* write protect bit */
+	unsigned int	sg_v:2;		/* valid bits */
+};
+
 struct pte {
 	unsigned int	pg_pfnum:20;	/* page frame number or 0 */
 	unsigned int	:3;
@@ -54,10 +86,11 @@ typedef struct pte	pt_entry_t;	/* Mach page table entry */
 #define	SG_PROT		0x00000004	/* access protection mask */
 #define	SG_RO		0x00000004
 #define	SG_RW		0x00000000
+#define	SG_U		0x00000008	/* modified bit (68040) */
 #define	SG_FRAME	0xfffff000
 #define	SG_IMASK	0xffc00000
-#define	SG_PMASK	0x003ff000
 #define	SG_ISHIFT	22
+#define	SG_PMASK	0x003ff000
 #define	SG_PSHIFT	12
 
 /* 68040 additions */