/*
* 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 */