1 /* $NetBSD: sysarch.h,v 1.9 2010/07/07 01:14:53 chs Exp $ */ 2 3 /*- 4 * Copyright (c) 2007 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Andrew Doran. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #ifndef _X86_SYSARCH_H_ 33 #define _X86_SYSARCH_H_ 34 35 #define X86_GET_LDT 0 36 #define X86_SET_LDT 1 37 #define X86_IOPL 2 38 #define X86_GET_IOPERM 3 39 #define X86_SET_IOPERM 4 40 #define X86_OLD_VM86 5 41 #define X86_PMC_INFO 8 42 #define X86_PMC_STARTSTOP 9 43 #define X86_PMC_READ 10 44 #define X86_GET_MTRR 11 45 #define X86_SET_MTRR 12 46 #define X86_VM86 13 47 #define X86_GET_GSBASE 14 48 #define X86_GET_FSBASE 15 49 #define X86_SET_GSBASE 16 50 #define X86_SET_FSBASE 17 51 52 #ifdef _KERNEL 53 #define _X86_SYSARCH_L(x) x86_##x 54 #define _X86_SYSARCH_U(x) X86_##x 55 #elif defined(__i386__) 56 #define _X86_SYSARCH_L(x) i386_##x 57 #define _X86_SYSARCH_U(x) I386_##x 58 #define I386_GET_LDT X86_GET_LDT 59 #define I386_SET_LDT X86_SET_LDT 60 #define I386_IOPL X86_IOPL 61 #define I386_GET_IOPERM X86_GET_IOPERM 62 #define I386_SET_IOPERM X86_SET_IOPERM 63 #define I386_OLD_VM86 X86_OLD_VM86 64 #define I386_PMC_INFO X86_PMC_INFO 65 #define I386_PMC_STARTSTOP X86_PMC_STARTSTOP 66 #define I386_PMC_READ X86_PMC_READ 67 #define I386_GET_MTRR X86_GET_MTRR 68 #define I386_SET_MTRR X86_SET_MTRR 69 #define I386_VM86 X86_VM86 70 #define I386_GET_GSBASE X86_GET_GSBASE 71 #define I386_GET_FSBASE X86_GET_FSBASE 72 #define I386_SET_GSBASE X86_SET_GSBASE 73 #define I386_SET_FSBASE X86_SET_FSBASE 74 #else 75 #define _X86_SYSARCH_L(x) x86_64_##x 76 #define _X86_SYSARCH_U(x) X86_64_##x 77 #define X86_64_GET_LDT X86_GET_LDT 78 #define X86_64_SET_LDT X86_SET_LDT 79 #define X86_64_IOPL X86_IOPL 80 #define X86_64_GET_IOPERM X86_GET_IOPERM 81 #define X86_64_SET_IOPERM X86_SET_IOPERM 82 #define X86_64_OLD_VM86 X86_OLD_VM86 83 #define X86_64_PMC_INFO X86_PMC_INFO 84 #define X86_64_PMC_STARTSTOP X86_PMC_STARTSTOP 85 #define X86_64_PMC_READ X86_PMC_READ 86 #define X86_64_GET_MTRR X86_GET_MTRR 87 #define X86_64_SET_MTRR X86_SET_MTRR 88 #define X86_64_VM86 X86_VM86 89 #define X86_64_GET_GSBASE X86_GET_GSBASE 90 #define X86_64_GET_FSBASE X86_GET_FSBASE 91 #define X86_64_SET_GSBASE X86_SET_GSBASE 92 #define X86_64_SET_FSBASE X86_SET_FSBASE 93 #endif 94 95 /* 96 * Architecture specific syscalls (x86) 97 */ 98 99 struct _X86_SYSARCH_L(get_ldt_args) { 100 int start; 101 union descriptor *desc; 102 int num; 103 }; 104 105 struct _X86_SYSARCH_L(set_ldt_args) { 106 int start; 107 union descriptor *desc; 108 int num; 109 }; 110 111 struct _X86_SYSARCH_L(get_mtrr_args) { 112 struct mtrr *mtrrp; 113 int *n; 114 }; 115 116 struct _X86_SYSARCH_L(set_mtrr_args) { 117 struct mtrr *mtrrp; 118 int *n; 119 }; 120 121 struct _X86_SYSARCH_L(iopl_args) { 122 int iopl; 123 }; 124 125 struct _X86_SYSARCH_L(get_ioperm_args) { 126 u_long *iomap; 127 }; 128 129 struct _X86_SYSARCH_L(set_ioperm_args) { 130 u_long *iomap; 131 }; 132 133 struct _X86_SYSARCH_L(pmc_info_args) { 134 int type; 135 int flags; 136 }; 137 138 #define PMC_TYPE_NONE 0 139 #define PMC_TYPE_I586 1 140 #define PMC_TYPE_I686 2 141 #define PMC_TYPE_K7 3 142 143 #define PMC_INFO_HASTSC 0x01 144 145 #ifdef __i386__ 146 #define PMC_NCOUNTERS 4 147 #else 148 #define PMC_NCOUNTERS 2 149 #endif 150 151 struct _X86_SYSARCH_L(pmc_startstop_args) { 152 int counter; 153 uint64_t val; 154 uint8_t event; 155 uint8_t unit; 156 uint8_t compare; 157 uint8_t flags; 158 }; 159 160 #define PMC_SETUP_KERNEL 0x01 161 #define PMC_SETUP_USER 0x02 162 #define PMC_SETUP_EDGE 0x04 163 #define PMC_SETUP_INV 0x08 164 165 struct _X86_SYSARCH_L(pmc_read_args) { 166 int counter; 167 uint64_t val; 168 uint64_t time; 169 }; 170 171 struct mtrr; 172 173 #ifdef _KERNEL 174 int x86_iopl(struct lwp *, void *, register_t *); 175 int x86_get_mtrr(struct lwp *, void *, register_t *); 176 int x86_set_mtrr(struct lwp *, void *, register_t *); 177 int x86_get_ldt(struct lwp *, void *, register_t *); 178 int x86_get_ldt1(struct lwp *, struct x86_get_ldt_args *, union descriptor *); 179 int x86_set_ldt(struct lwp *, void *, register_t *); 180 int x86_set_ldt1(struct lwp *, struct x86_set_ldt_args *, union descriptor *); 181 int x86_set_sdbase(void *, char, lwp_t *, bool); 182 int x86_get_sdbase(void *, char); 183 #else 184 #include <sys/cdefs.h> 185 __BEGIN_DECLS 186 int _X86_SYSARCH_L(get_ldt)(int, union descriptor *, int); 187 int _X86_SYSARCH_L(set_ldt)(int, union descriptor *, int); 188 int _X86_SYSARCH_L(iopl)(int); 189 int _X86_SYSARCH_L(pmc_info)(struct _X86_SYSARCH_L(pmc_info_args *)); 190 int _X86_SYSARCH_L(pmc_startstop)(struct _X86_SYSARCH_L(pmc_startstop_args *)); 191 int _X86_SYSARCH_L(pmc_read)(struct _X86_SYSARCH_L(pmc_read_args *)); 192 int _X86_SYSARCH_L(set_mtrr)(struct mtrr *, int *); 193 int _X86_SYSARCH_L(get_mtrr)(struct mtrr *, int *); 194 int sysarch(int, void *); 195 __END_DECLS 196 #endif 197 198 #endif /* !_X86_SYSARCH_H_ */ 199