1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef _IA32_SYS_PTE_H 28 #define _IA32_SYS_PTE_H 29 30 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 #ifndef _ASM 33 #include <sys/types.h> 34 #include <ia32/sys/mmu.h> 35 #endif /* _ASM */ 36 37 #ifdef __cplusplus 38 extern "C" { 39 #endif 40 41 #ifndef _ASM 42 43 #ifdef PTE36 /* PTE36 ---------------------------- */ 44 45 typedef uint64_t pteval_t; 46 typedef pteval_t *pteptr_t; 47 48 #define PRPTEx "llx" 49 50 typedef struct pte32 { 51 uint32_t Present:1; 52 uint32_t AccessPermissions:2; 53 uint32_t WriteThru:1; 54 uint32_t NonCacheable:1; 55 uint32_t Referenced:1; 56 uint32_t Modified:1; 57 uint32_t MustBeZero:1; 58 uint32_t GlobalEnable:1; 59 uint32_t OSReserved:3; 60 uint32_t PhysicalPageNumber:20; 61 } pte32_t; 62 63 64 typedef struct pte { 65 uint32_t Present:1; 66 uint32_t AccessPermissions:2; 67 uint32_t WriteThru:1; 68 uint32_t NonCacheable:1; 69 uint32_t Referenced:1; 70 uint32_t Modified:1; 71 uint32_t MustBeZero:1; 72 uint32_t GlobalEnable:1; 73 uint32_t OSReserved:3; 74 uint32_t PhysicalPageNumberL:20; 75 uint32_t PhysicalPageNumberH; 76 /* 77 * An easy way to ensure that 78 * reserved bits are zero. 79 */ 80 } pte_t; 81 82 struct pte64 { 83 uint32_t pte64_0_31; 84 uint32_t pte64_32_64; 85 }; 86 87 #define NPTESHIFT 9 88 #define NPTEPERPT 512 /* entries in page table */ 89 #define PTSIZE (NPTEPERPT * MMU_PAGESIZE) /* bytes mapped */ 90 91 92 #else /* PTE36 */ 93 /* PTE32 ---------------------------- */ 94 95 96 typedef uint32_t pteval_t; 97 typedef pteval_t *pteptr_t; 98 99 #define PRPTEx "x" 100 101 typedef struct pte { 102 uint_t Present:1; 103 uint_t AccessPermissions:2; 104 uint_t WriteThru:1; 105 uint_t NonCacheable:1; 106 uint_t Referenced:1; 107 uint_t Modified:1; 108 uint_t MustBeZero:1; 109 uint_t GlobalEnable:1; 110 uint_t OSReserved:3; 111 uint_t PhysicalPageNumber:20; 112 } pte_t; 113 114 #define pte32_t pte_t 115 116 #define NPTESHIFT 10 117 #define NPTEPERPT 1024 /* entries in page table */ 118 #define PTSIZE (NPTEPERPT * MMU_PAGESIZE) /* bytes mapped */ 119 120 #endif /* PTE36 */ 121 122 #define PTE_VALID 0x01 123 #define PTE_LARGEPAGE 0x80 124 #define PTE_SRWX 0x02 125 126 #endif /* !_ASM */ 127 128 129 #ifdef __cplusplus 130 } 131 #endif 132 133 #endif /* !_IA32_SYS_PTE_H */ 134