machparam.h revision d24234c24aeaca4ca56ee3ac2794507968f274c4
/*
* 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
* 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
#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.
*/
/*
* XXX make sure the MMU_PAGESHIFT definition here is
* consistent with the one in param.h
*/
#define MMU_PAGESHIFT 13
#define MMU_PAGEMASK (~MMU_PAGEOFFSET)
#define MMU_PAGESHIFT64K 16
#define MMU_PAGEMASK64K (~MMU_PAGEOFFSET64K)
#define MMU_PAGESHIFT512K 19
#define MMU_PAGEMASK512K (~MMU_PAGEOFFSET512K)
#define MMU_PAGESHIFT4M 22
#define MMU_PAGEMASK4M (~MMU_PAGEOFFSET4M)
#define MMU_PAGESHIFT32M 25
#define MMU_PAGEMASK32M (~MMU_PAGEOFFSET32M)
#define MMU_PAGESHIFT256M 28
#define MMU_PAGEMASK256M (~MMU_PAGEOFFSET256M)
#define PAGESHIFT 13
#define PAGEMASK (~PAGEOFFSET)
#ifdef __cplusplus
}
#endif
#endif /* _SYS_MACHPARAM_H */