pte.h revision 1.1.20.2
1 1.1.20.2 rpaulo /* $NetBSD: pte.h,v 1.1.20.2 2006/09/09 02:40:30 rpaulo Exp $ */ 2 1.1.20.2 rpaulo 3 1.1.20.2 rpaulo /*- 4 1.1.20.2 rpaulo * Copyright (c) 2001 Doug Rabson 5 1.1.20.2 rpaulo * All rights reserved. 6 1.1.20.2 rpaulo * 7 1.1.20.2 rpaulo * Redistribution and use in source and binary forms, with or without 8 1.1.20.2 rpaulo * modification, are permitted provided that the following conditions 9 1.1.20.2 rpaulo * are met: 10 1.1.20.2 rpaulo * 1. Redistributions of source code must retain the above copyright 11 1.1.20.2 rpaulo * notice, this list of conditions and the following disclaimer. 12 1.1.20.2 rpaulo * 2. Redistributions in binary form must reproduce the above copyright 13 1.1.20.2 rpaulo * notice, this list of conditions and the following disclaimer in the 14 1.1.20.2 rpaulo * documentation and/or other materials provided with the distribution. 15 1.1.20.2 rpaulo * 16 1.1.20.2 rpaulo * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 1.1.20.2 rpaulo * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 1.1.20.2 rpaulo * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 1.1.20.2 rpaulo * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 1.1.20.2 rpaulo * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 1.1.20.2 rpaulo * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 1.1.20.2 rpaulo * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 1.1.20.2 rpaulo * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 1.1.20.2 rpaulo * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 1.1.20.2 rpaulo * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 1.1.20.2 rpaulo * SUCH DAMAGE. 27 1.1.20.2 rpaulo * 28 1.1.20.2 rpaulo * $FreeBSD$ 29 1.1.20.2 rpaulo */ 30 1.1.20.2 rpaulo 31 1.1.20.2 rpaulo #ifndef _MACHINE_PTE_H_ 32 1.1.20.2 rpaulo #define _MACHINE_PTE_H_ 33 1.1.20.2 rpaulo 34 1.1.20.2 rpaulo #define PTE_PRESENT 0x0000000000000001 35 1.1.20.2 rpaulo #define PTE__RV1_ 0x0000000000000002 36 1.1.20.2 rpaulo #define PTE_MA_MASK 0x000000000000001C 37 1.1.20.2 rpaulo #define PTE_MA_WB 0x0000000000000000 38 1.1.20.2 rpaulo #define PTE_MA_UC 0x0000000000000010 39 1.1.20.2 rpaulo #define PTE_MA_UCE 0x0000000000000014 40 1.1.20.2 rpaulo #define PTE_MA_WC 0x0000000000000018 41 1.1.20.2 rpaulo #define PTE_MA_NATPAGE 0x000000000000001C 42 1.1.20.2 rpaulo #define PTE_ACCESSED 0x0000000000000020 43 1.1.20.2 rpaulo #define PTE_DIRTY 0x0000000000000040 44 1.1.20.2 rpaulo #define PTE_PL_MASK 0x0000000000000180 45 1.1.20.2 rpaulo #define PTE_PL_KERN 0x0000000000000000 46 1.1.20.2 rpaulo #define PTE_PL_USER 0x0000000000000180 47 1.1.20.2 rpaulo #define PTE_AR_MASK 0x0000000000000E00 48 1.1.20.2 rpaulo 49 1.1.20.2 rpaulo #define PTE_AR_R 0x0000000000000000 50 1.1.20.2 rpaulo #define PTE_AR_RX 0x0000000000000200 51 1.1.20.2 rpaulo #define PTE_AR_RW 0x0000000000000400 52 1.1.20.2 rpaulo #define PTE_AR_RWX 0x0000000000000600 53 1.1.20.2 rpaulo #define PTE_AR_R_RW 0x0000000000000800 54 1.1.20.2 rpaulo #define PTE_AR_RX_RWX 0x0000000000000A00 55 1.1.20.2 rpaulo #define PTE_AR_RWX_RW 0x0000000000000C00 56 1.1.20.2 rpaulo #define PTE_AR_X_RX 0x0000000000000E00 57 1.1.20.2 rpaulo #define PTE_PPN_MASK 0x0003FFFFFFFFF000 58 1.1.20.2 rpaulo #define PTE__RV2_ 0x000C000000000000 59 1.1.20.2 rpaulo #define PTE_ED 0x0010000000000000 60 1.1.20.2 rpaulo #define PTE_IG_MASK 0xFFE0000000000000 61 1.1.20.2 rpaulo #define PTE_WIRED 0x0020000000000000 62 1.1.20.2 rpaulo #define PTE_MANAGED 0x0040000000000000 63 1.1.20.2 rpaulo #define PTE_PROT_MASK 0x0700000000000000 64 1.1.20.2 rpaulo 65 1.1.20.2 rpaulo #define ITIR__RV1_ 0x0000000000000003 66 1.1.20.2 rpaulo #define ITIR_PS_MASK 0x00000000000000FC 67 1.1.20.2 rpaulo #define ITIR_KEY_MASK 0x00000000FFFFFF00 68 1.1.20.2 rpaulo #define ITIR__RV2_ 0xFFFFFFFF00000000 69 1.1.20.2 rpaulo 70 1.1.20.2 rpaulo #ifndef _LOCORE 71 1.1.20.2 rpaulo 72 1.1.20.2 rpaulo typedef uint64_t pt_entry_t; 73 1.1.20.2 rpaulo 74 1.1.20.2 rpaulo static __inline pt_entry_t 75 1.1.20.2 rpaulo pte_atomic_clear(pt_entry_t *ptep, uint64_t val) 76 1.1.20.2 rpaulo { 77 1.1.20.2 rpaulo return (atomic_clear_64(ptep, val)); 78 1.1.20.2 rpaulo } 79 1.1.20.2 rpaulo 80 1.1.20.2 rpaulo static __inline pt_entry_t 81 1.1.20.2 rpaulo pte_atomic_set(pt_entry_t *ptep, uint64_t val) 82 1.1.20.2 rpaulo { 83 1.1.20.2 rpaulo return (atomic_set_64(ptep, val)); 84 1.1.20.2 rpaulo } 85 1.1.20.2 rpaulo 86 1.1.20.2 rpaulo /* 87 1.1.20.2 rpaulo * A long-format VHPT entry. 88 1.1.20.2 rpaulo */ 89 1.1.20.2 rpaulo struct ia64_lpte { 90 1.1.20.2 rpaulo pt_entry_t pte; 91 1.1.20.2 rpaulo uint64_t itir; 92 1.1.20.2 rpaulo uint64_t tag; /* includes ti */ 93 1.1.20.2 rpaulo uint64_t chain; /* pa of collision chain */ 94 1.1.20.2 rpaulo }; 95 1.1.20.2 rpaulo 96 1.1.20.2 rpaulo 97 1.1.20.2 rpaulo /* 98 1.1.20.2 rpaulo * Layout of rr[x]. 99 1.1.20.2 rpaulo */ 100 1.1.20.2 rpaulo struct ia64_rr { 101 1.1.20.2 rpaulo uint64_t rr_ve :1; /* bit 0 */ 102 1.1.20.2 rpaulo uint64_t __rv1__ :1; /* bit 1 */ 103 1.1.20.2 rpaulo uint64_t rr_ps :6; /* bits 2..7 */ 104 1.1.20.2 rpaulo uint64_t rr_rid :24; /* bits 8..31 */ 105 1.1.20.2 rpaulo uint64_t __rv2__ :32; /* bits 32..63 */ 106 1.1.20.2 rpaulo }; 107 1.1.20.2 rpaulo 108 1.1.20.2 rpaulo #endif /* !LOCORE */ 109 1.1.20.2 rpaulo 110 1.1.20.2 rpaulo #endif /* !_MACHINE_PTE_H_ */ 111
Indexes created Thu Oct 23 22:10:10 GMT 2025