LCOM1920-T02G10

/*        $NetBSD: uvm_prot.h,v 1.4 2005/12/11 12:25:29 christos Exp $        */

/*

 * Copyright (c) 1991, 1993

 *        The Regents of the University of California.  All rights reserved.

 *

 * This code is derived from software contributed to Berkeley by

 * The Mach Operating System project at Carnegie-Mellon University.

 *

 * 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. 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.

 *

 * 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.

 *

 *        @(#)vm_prot.h        8.1 (Berkeley) 6/11/93

 *

 *

 * Copyright (c) 1987, 1990 Carnegie-Mellon University.

 * All rights reserved.

 *

 * Authors: Avadis Tevanian, Jr., Michael Wayne Young

 *

 * Permission to use, copy, modify and distribute this software and

 * its documentation is hereby granted, provided that both the copyright

 * notice and this permission notice appear in all copies of the

 * software, derivative works or modified versions, and any portions

 * thereof, and that both notices appear in supporting documentation.

 *

 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"

 * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND

 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.

 *

 * Carnegie Mellon requests users of this software to return to

 *

 *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU

 *  School of Computer Science

 *  Carnegie Mellon University

 *  Pittsburgh PA 15213-3890

 *

 * any improvements or extensions that they make and grant Carnegie the

 * rights to redistribute these changes.

 */

/*

 *        Virtual memory protection definitions.

 */

#ifndef        _UVM_PROT_

#define        _UVM_PROT_

/*

 *        Types defined:

 *

 *        vm_prot_t                VM protection values.

 */

typedef int                vm_prot_t;

/*

 *        Protection values, defined as bits within the vm_prot_t type

 */

#define        VM_PROT_NONE        ((vm_prot_t) 0x00)

#define VM_PROT_READ        ((vm_prot_t) 0x01)        /* read permission */

#define VM_PROT_WRITE        ((vm_prot_t) 0x02)        /* write permission */

#define VM_PROT_EXECUTE        ((vm_prot_t) 0x04)        /* execute permission */

/*

 *        The default protection for newly-created virtual memory

 */

#define VM_PROT_DEFAULT        (VM_PROT_READ|VM_PROT_WRITE|VM_PROT_EXECUTE)

/*

 *        The maximum privileges possible, for parameter checking.

 */

#define VM_PROT_ALL        (VM_PROT_READ|VM_PROT_WRITE|VM_PROT_EXECUTE)

#endif /* _UVM_PROT_ */