xref: /openbsd-src/sys/arch/m88k/include/pmap_table.h (revision a28daedfc357b214be5c701aa8ba8adb29a7f1c2)
1 /*	$OpenBSD: pmap_table.h,v 1.1 2004/07/25 11:06:42 miod Exp $	*/
2 /*
3  * Mach Operating System
4  * Copyright (c) 1992 Carnegie Mellon University
5  * All Rights Reserved.
6  *
7  * Permission to use, copy, modify and distribute this software and its
8  * documentation is hereby granted, provided that both the copyright
9  * notice and this permission notice appear in all copies of the
10  * software, derivative works or modified versions, and any portions
11  * thereof, and that both notices appear in supporting documentation.
12  *
13  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
14  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
15  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
16  *
17  * Carnegie Mellon requests users of this software to return to
18  *
19  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
20  *  School of Computer Science
21  *  Carnegie Mellon University
22  *  Pittsburgh PA 15213-3890
23  *
24  * any improvements or extensions that they make and grant Carnegie Mellon
25  * the rights to redistribute these changes.
26  */
27 
28 #ifndef __M88K_PMAP_TABLE_H__
29 #define __M88K_PMAP_TABLE_H__
30 
31 /*
32  * Built-in mappings list.
33  * An entry is considered invalid if pm_size = 0, and
34  * end of list is indicated by pm_size 0xffffffff
35  */
36 typedef struct {
37 	vaddr_t		phys_start;	/* in bytes */
38 	vaddr_t		virt_start;	/* in bytes */
39 	vsize_t		size;		/* in bytes */
40 	unsigned int	prot;		/* vm_prot_read, vm_prot_write */
41 	unsigned int	cacheability;	/* none, writeback, normal */
42 } pmap_table_entry;
43 
44 typedef const pmap_table_entry *pmap_table_t;
45 
46 pmap_table_t pmap_table_build(void);
47 
48 #endif	/* __M88K_PMAP_TABLE_H__ */
49