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 (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #ifndef _SYS_PTE_H 27 #define _SYS_PTE_H 28 29 #ifndef _ASM 30 #include <sys/types.h> 31 #endif /* _ASM */ 32 33 #ifdef __cplusplus 34 extern "C" { 35 #endif 36 37 #ifndef _ASM 38 39 #ifdef PTE36 /* PTE36 ---------------------------- */ 40 41 typedef uint64_t pteval_t; 42 typedef pteval_t *pteptr_t; 43 44 #define PRPTEx "llx" 45 46 typedef struct pte32 { 47 uint32_t Present:1; 48 uint32_t AccessPermissions:2; 49 uint32_t WriteThru:1; 50 uint32_t NonCacheable:1; 51 uint32_t Referenced:1; 52 uint32_t Modified:1; 53 uint32_t MustBeZero:1; 54 uint32_t GlobalEnable:1; 55 uint32_t OSReserved:3; 56 uint32_t PhysicalPageNumber:20; 57 } pte32_t; 58 59 60 typedef struct pte { 61 uint32_t Present:1; 62 uint32_t AccessPermissions:2; 63 uint32_t WriteThru:1; 64 uint32_t NonCacheable:1; 65 uint32_t Referenced:1; 66 uint32_t Modified:1; 67 uint32_t MustBeZero:1; 68 uint32_t GlobalEnable:1; 69 uint32_t OSReserved:3; 70 uint32_t PhysicalPageNumberL:20; 71 uint32_t PhysicalPageNumberH; 72 /* 73 * An easy way to ensure that 74 * reserved bits are zero. 75 */ 76 } pte_t; 77 78 struct pte64 { 79 uint32_t pte64_0_31; 80 uint32_t pte64_32_64; 81 }; 82 83 #define NPTESHIFT 9 84 #define NPTEPERPT 512 /* entries in page table */ 85 #define PTSIZE (NPTEPERPT * MMU_PAGESIZE) /* bytes mapped */ 86 87 88 #else /* PTE36 */ 89 /* PTE32 ---------------------------- */ 90 91 92 typedef uint32_t pteval_t; 93 typedef pteval_t *pteptr_t; 94 95 #define PRPTEx "x" 96 97 typedef struct pte { 98 uint_t Present:1; 99 uint_t AccessPermissions:2; 100 uint_t WriteThru:1; 101 uint_t NonCacheable:1; 102 uint_t Referenced:1; 103 uint_t Modified:1; 104 uint_t MustBeZero:1; 105 uint_t GlobalEnable:1; 106 uint_t OSReserved:3; 107 uint_t PhysicalPageNumber:20; 108 } pte_t; 109 110 #define pte32_t pte_t 111 112 #define NPTESHIFT 10 113 #define NPTEPERPT 1024 /* entries in page table */ 114 #define PTSIZE (NPTEPERPT * MMU_PAGESIZE) /* bytes mapped */ 115 116 #endif /* PTE36 */ 117 118 #define PTE_VALID 0x01 119 #define PTE_LARGEPAGE 0x80 120 #define PTE_SRWX 0x02 121 122 #endif /* !_ASM */ 123 124 125 #ifdef __cplusplus 126 } 127 #endif 128 129 #endif /* !_SYS_PTE_H */ 130