1 /*
2 * Mach Operating System
3 * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University
4 * All Rights Reserved.
5 *
6 * Permission to use, copy, modify and distribute this software and its
7 * documentation is hereby granted, provided that both the copyright
8 * notice and this permission notice appear in all copies of the
9 * software, derivative works or modified versions, and any portions
10 * thereof, and that both notices appear in supporting documentation.
11 *
12 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
13 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
14 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
15 *
16 * Carnegie Mellon requests users of this software to return to
17 *
18 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
19 * School of Computer Science
20 * Carnegie Mellon University
21 * Pittsburgh PA 15213-3890
22 *
23 * any improvements or extensions that they make and grant Carnegie Mellon
24 * the rights to redistribute these changes.
25 */
26 /*
27 * HISTORY
28 * $Log: vm_attributes.h,v $
29 * Revision 2.5 93/01/14 17:48:58 danner
30 * Standardized include symbol name.
31 * [92/06/10 pds]
32 *
33 * Revision 2.4 91/05/14 17:02:37 mrt
34 * Correcting copyright
35 *
36 * Revision 2.3 91/02/05 17:37:24 mrt
37 * Changed to new Mach copyright
38 * [91/02/01 17:22:17 mrt]
39 *
40 * Revision 2.2 90/01/22 23:05:53 af
41 * Created.
42 * [89/12/08 af]
43 *
44 *
45 */
46 /*
47 * File: mach/vm_attributes.h
48 * Author: Alessandro Forin
49 *
50 * Virtual memory attributes definitions.
51 *
52 * These definitions are in addition to the machine-independent
53 * ones (e.g. protection), and are only selectively supported
54 * on specific machine architectures.
55 *
56 */
57
58 #ifndef _MACH_VM_ATTRIBUTES_H_
59 #define _MACH_VM_ATTRIBUTES_H_
60
61 /*
62 * Types of machine-dependent attributes
63 */
64 typedef unsigned int vm_machine_attribute_t;
65
66 #define MATTR_CACHE 1 /* cachability */
67 #define MATTR_MIGRATE 2 /* migrability */
68 #define MATTR_REPLICATE 4 /* replicability */
69
70 /*
71 * Values for the above, e.g. operations on attribute
72 */
73 typedef int vm_machine_attribute_val_t;
74
75 #define MATTR_VAL_OFF 0 /* (generic) turn attribute off */
76 #define MATTR_VAL_ON 1 /* (generic) turn attribute on */
77 #define MATTR_VAL_GET 2 /* (generic) return current value */
78
79 #define MATTR_VAL_CACHE_FLUSH 6 /* flush from all caches */
80 #define MATTR_VAL_DCACHE_FLUSH 7 /* flush from data caches */
81 #define MATTR_VAL_ICACHE_FLUSH 8 /* flush from instruction caches */
82
83 #endif /* _MACH_VM_ATTRIBUTES_H_ */
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