/*      $OpenBSD: vmparam.h,v 1.20 2024/02/01 00:39:57 deraadt Exp $    */
/*      $NetBSD: vmparam.h,v 1.18 2003/05/21 18:04:44 thorpej Exp $     */

/*
 * Copyright (c) 2001, 2002 Wasabi Systems, Inc.
 * All rights reserved.
 *
 * Written by Jason R. Thorpe for Wasabi Systems, Inc.
 *
 * 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 for the NetBSD Project by
 *      Wasabi Systems, Inc.
 * 4. The name of Wasabi Systems, Inc. may not be used to endorse
 *    or promote products derived from this software without specific prior
 *    written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``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 WASABI SYSTEMS, INC
 * 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.
 */

#ifndef _ARM_VMPARAM_H_
#define _ARM_VMPARAM_H_

/*
 * Virtual Memory parameters common to all arm32 platforms.
 */

#define USRSTACK        VM_MAXUSER_ADDRESS
#define KERNBASE        VM_MAXUSER_ADDRESS

#define MAXTSIZ         (128*1024*1024)         /* max text size */

#ifndef DFLDSIZ
#define DFLDSIZ         (128*1024*1024)         /* initial data size limit */
#endif
#ifndef MAXDSIZ
#define MAXDSIZ         (512*1024*1024)         /* max data size */
#endif
#ifndef BRKSIZ
#define BRKSIZ          MAXDSIZ                 /* heap gap size */
#endif
#ifndef DFLSSIZ
#define DFLSSIZ         (2*1024*1024)           /* initial stack size limit */
#endif
#ifndef MAXSSIZ
#define MAXSSIZ         (32*1024*1024)          /* max stack size */
#endif

#define STACKGAP_RANDOM 256*1024

/*
 * Size of SysV shared memory map
 */
#ifndef SHMMAXPGS
#define SHMMAXPGS       1024
#endif

/*
 * Mach derived constants
 */
#define VM_MIN_ADDRESS          ((vaddr_t) PAGE_SIZE)
#define VM_MAXUSER_ADDRESS      ((vaddr_t) ARM_KERNEL_BASE)
#define VM_MAX_ADDRESS          VM_MAXUSER_ADDRESS

#define VM_MIN_KERNEL_ADDRESS   ((vaddr_t) ARM_KERNEL_BASE)

#endif /* _ARM_VMPARAM_H_ */