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Annotation of OSKit-Mach/include/mach/vm_attributes.h, revision 1.1.1.1

1.1       root        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  [email protected]
                     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:  *     File:   mach/vm_attributes.h
                     28:  *     Author: Alessandro Forin
                     29:  *
                     30:  *     Virtual memory attributes definitions.
                     31:  *
                     32:  *     These definitions are in addition to the machine-independent
                     33:  *     ones (e.g. protection), and are only selectively supported
                     34:  *     on specific machine architectures.
                     35:  *
                     36:  */
                     37: 
                     38: #ifndef        _MACH_VM_ATTRIBUTES_H_
                     39: #define        _MACH_VM_ATTRIBUTES_H_
                     40: 
                     41: /*
                     42:  *     Types of machine-dependent attributes
                     43:  */
                     44: typedef unsigned int   vm_machine_attribute_t;
                     45: 
                     46: #define        MATTR_CACHE             1       /* cachability */
                     47: #define MATTR_MIGRATE          2       /* migrability */
                     48: #define        MATTR_REPLICATE         4       /* replicability */
                     49: 
                     50: /*
                     51:  *     Values for the above, e.g. operations on attribute
                     52:  */
                     53: typedef int            vm_machine_attribute_val_t;
                     54: 
                     55: #define MATTR_VAL_OFF          0       /* (generic) turn attribute off */
                     56: #define MATTR_VAL_ON           1       /* (generic) turn attribute on */
                     57: #define MATTR_VAL_GET          2       /* (generic) return current value */
                     58: 
                     59: #define MATTR_VAL_CACHE_FLUSH  6       /* flush from all caches */
                     60: #define MATTR_VAL_DCACHE_FLUSH 7       /* flush from data caches */
                     61: #define MATTR_VAL_ICACHE_FLUSH 8       /* flush from instruction caches */
                     62: 
                     63: #endif /* _MACH_VM_ATTRIBUTES_H_ */

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