ia32/sys/pte.h

	pte.h revision ae115bc77f6fcde83175c75b4206dc2e50747966
/*
 * 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 2007 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#ifndef _IA32_SYS_PTE_H
#define _IA32_SYS_PTE_H

#pragma ident   "%Z%%M% %I% %E% SMI"

#ifndef _ASM
#include <sys/types.h>
#endif /* _ASM */

#ifdef  __cplusplus
extern "C" {
#endif

#ifndef _ASM

#ifdef  PTE36           /* PTE36 ---------------------------- */

typedef uint64_t    pteval_t;
typedef pteval_t    *pteptr_t;

#define PRPTEx      "llx"

typedef struct pte32 {
    uint32_t Present:1;
    uint32_t AccessPermissions:2;
    uint32_t WriteThru:1;
    uint32_t NonCacheable:1;
    uint32_t Referenced:1;
    uint32_t Modified:1;
    uint32_t MustBeZero:1;
    uint32_t GlobalEnable:1;
    uint32_t OSReserved:3;
    uint32_t PhysicalPageNumber:20;
} pte32_t;


typedef struct pte {
    uint32_t Present:1;
    uint32_t AccessPermissions:2;
    uint32_t WriteThru:1;
    uint32_t NonCacheable:1;
    uint32_t Referenced:1;
    uint32_t Modified:1;
    uint32_t MustBeZero:1;
    uint32_t GlobalEnable:1;
    uint32_t OSReserved:3;
    uint32_t PhysicalPageNumberL:20;
    uint32_t PhysicalPageNumberH;
                    /*
                     * An easy way to ensure that
                     * reserved bits are zero.
                     */
} pte_t;

struct  pte64 {
    uint32_t    pte64_0_31;
    uint32_t    pte64_32_64;
};

#define NPTESHIFT   9
#define NPTEPERPT   512 /* entries in page table */
#define PTSIZE      (NPTEPERPT * MMU_PAGESIZE)  /* bytes mapped */


#else       /* PTE36 */
                /* PTE32 ---------------------------- */


typedef uint32_t    pteval_t;
typedef pteval_t    *pteptr_t;

#define PRPTEx      "x"

typedef struct pte {
    uint_t Present:1;
    uint_t AccessPermissions:2;
    uint_t WriteThru:1;
    uint_t NonCacheable:1;
    uint_t Referenced:1;
    uint_t Modified:1;
    uint_t MustBeZero:1;
    uint_t GlobalEnable:1;
    uint_t OSReserved:3;
    uint_t PhysicalPageNumber:20;
} pte_t;

#define pte32_t     pte_t

#define NPTESHIFT   10
#define NPTEPERPT   1024    /* entries in page table */
#define PTSIZE      (NPTEPERPT * MMU_PAGESIZE)  /* bytes mapped */

#endif  /* PTE36 */

#define PTE_VALID   0x01
#define PTE_LARGEPAGE   0x80
#define PTE_SRWX    0x02

#endif /* !_ASM */


#ifdef  __cplusplus
}
#endif

#endif /* !_IA32_SYS_PTE_H */