/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (the "License").
 * You may not use this file except in compliance with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#ifndef _SYS_MACHPARAM_H
#define _SYS_MACHPARAM_H

#ifdef  __cplusplus
extern "C" {
#endif

#ifndef _ASM
#define ADDRESS_C(c)    c ## ul
#else   /* _ASM */
#define ADDRESS_C(c)    (c)
#endif  /* _ASM */

/*
 * Common subset of sun4 machine dependent parameters and limits
 */

/*
 * MMU_PAGES* describes the physical page size used by the mapping hardware.
 * PAGES* describes the logical page size used by the system.
 */
#define MMU_PAGE_SIZES          6       /* max mmu-supported page sizes */
#define DEFAULT_MMU_PAGE_SIZES  4       /* default supported page sizes */

/*
 * XXX make sure the MMU_PAGESHIFT definition here is
 * consistent with the one in param.h
 */
#define MMU_PAGESHIFT           13
#define MMU_PAGESIZE            (1<<MMU_PAGESHIFT)
#define MMU_PAGEOFFSET          (MMU_PAGESIZE - 1)
#define MMU_PAGEMASK            (~MMU_PAGEOFFSET)

#define MMU_PAGESHIFT64K        16
#define MMU_PAGESIZE64K         (1 << MMU_PAGESHIFT64K)
#define MMU_PAGEOFFSET64K       (MMU_PAGESIZE64K - 1)
#define MMU_PAGEMASK64K         (~MMU_PAGEOFFSET64K)

#define MMU_PAGESHIFT512K       19
#define MMU_PAGESIZE512K        (1 << MMU_PAGESHIFT512K)
#define MMU_PAGEOFFSET512K      (MMU_PAGESIZE512K - 1)
#define MMU_PAGEMASK512K        (~MMU_PAGEOFFSET512K)

#define MMU_PAGESHIFT4M         22
#define MMU_PAGESIZE4M          (1 << MMU_PAGESHIFT4M)
#define MMU_PAGEOFFSET4M        (MMU_PAGESIZE4M - 1)
#define MMU_PAGEMASK4M          (~MMU_PAGEOFFSET4M)

#define MMU_PAGESHIFT32M        25
#define MMU_PAGESIZE32M         (1 << MMU_PAGESHIFT32M)
#define MMU_PAGEOFFSET32M       (MMU_PAGESIZE32M - 1)
#define MMU_PAGEMASK32M         (~MMU_PAGEOFFSET32M)

#define MMU_PAGESHIFT256M       28
#define MMU_PAGESIZE256M        (1 << MMU_PAGESHIFT256M)
#define MMU_PAGEOFFSET256M      (MMU_PAGESIZE256M - 1)
#define MMU_PAGEMASK256M        (~MMU_PAGEOFFSET256M)

#define PAGESHIFT       13
#define PAGESIZE        (1<<PAGESHIFT)
#define PAGEOFFSET      (PAGESIZE - 1)
#define PAGEMASK        (~PAGEOFFSET)

#ifdef  __cplusplus
}
#endif

#endif  /* _SYS_MACHPARAM_H */