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/*
* 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 _SYS_PTE_H
#define _SYS_PTE_H
#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 /* !_SYS_PTE_H */
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