1 /* $NetBSD: sysarch.h,v 1.15 2020/06/19 16:20:22 maxv 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_GET_MTRR 11 42 #define X86_SET_MTRR 12 43 #define X86_VM86 13 44 #define X86_GET_GSBASE 14 45 #define X86_GET_FSBASE 15 46 #define X86_SET_GSBASE 16 47 #define X86_SET_FSBASE 17 48 49 #ifdef _KERNEL 50 #define _X86_SYSARCH_L(x) x86_##x 51 #define _X86_SYSARCH_U(x) X86_##x 52 #elif defined(__i386__) 53 #define _X86_SYSARCH_L(x) i386_##x 54 #define _X86_SYSARCH_U(x) I386_##x 55 #define I386_GET_LDT X86_GET_LDT 56 #define I386_SET_LDT X86_SET_LDT 57 #define I386_IOPL X86_IOPL 58 #define I386_GET_IOPERM X86_GET_IOPERM 59 #define I386_SET_IOPERM X86_SET_IOPERM 60 #define I386_OLD_VM86 X86_OLD_VM86 61 #define I386_GET_MTRR X86_GET_MTRR 62 #define I386_SET_MTRR X86_SET_MTRR 63 #define I386_VM86 X86_VM86 64 #define I386_GET_GSBASE X86_GET_GSBASE 65 #define I386_GET_FSBASE X86_GET_FSBASE 66 #define I386_SET_GSBASE X86_SET_GSBASE 67 #define I386_SET_FSBASE X86_SET_FSBASE 68 #else 69 #define _X86_SYSARCH_L(x) x86_64_##x 70 #define _X86_SYSARCH_U(x) X86_64_##x 71 #define X86_64_GET_LDT X86_GET_LDT 72 #define X86_64_SET_LDT X86_SET_LDT 73 #define X86_64_IOPL X86_IOPL 74 #define X86_64_GET_IOPERM X86_GET_IOPERM 75 #define X86_64_SET_IOPERM X86_SET_IOPERM 76 #define X86_64_OLD_VM86 X86_OLD_VM86 77 #define X86_64_GET_MTRR X86_GET_MTRR 78 #define X86_64_SET_MTRR X86_SET_MTRR 79 #define X86_64_VM86 X86_VM86 80 #define X86_64_GET_GSBASE X86_GET_GSBASE 81 #define X86_64_GET_FSBASE X86_GET_FSBASE 82 #define X86_64_SET_GSBASE X86_SET_GSBASE 83 #define X86_64_SET_FSBASE X86_SET_FSBASE 84 #endif 85 86 /* 87 * Architecture specific syscalls (x86) 88 */ 89 90 struct _X86_SYSARCH_L(get_ldt_args) { 91 int start; 92 union descriptor *desc; 93 int num; 94 }; 95 96 struct _X86_SYSARCH_L(set_ldt_args) { 97 int start; 98 union descriptor *desc; 99 int num; 100 }; 101 102 struct _X86_SYSARCH_L(get_mtrr_args) { 103 struct mtrr *mtrrp; 104 int *n; 105 }; 106 107 struct _X86_SYSARCH_L(set_mtrr_args) { 108 struct mtrr *mtrrp; 109 int *n; 110 }; 111 112 struct _X86_SYSARCH_L(iopl_args) { 113 int iopl; 114 }; 115 116 struct _X86_SYSARCH_L(get_ioperm_args) { 117 u_long *iomap; 118 }; 119 120 struct _X86_SYSARCH_L(set_ioperm_args) { 121 u_long *iomap; 122 }; 123 124 struct mtrr; 125 126 #ifdef _KERNEL 127 int x86_iopl(struct lwp *, void *, register_t *); 128 int x86_get_ldt1(struct lwp *, struct x86_get_ldt_args *, union descriptor *); 129 int x86_set_ldt1(struct lwp *, struct x86_set_ldt_args *, union descriptor *); 130 int x86_set_sdbase(void *, char, lwp_t *, bool); 131 int x86_get_sdbase(void *, char); 132 #else 133 #include <sys/cdefs.h> 134 __BEGIN_DECLS 135 int _X86_SYSARCH_L(get_ldt)(int, union descriptor *, int); 136 int _X86_SYSARCH_L(set_ldt)(int, union descriptor *, int); 137 int _X86_SYSARCH_L(iopl)(int); 138 int _X86_SYSARCH_L(set_mtrr)(struct mtrr *, int *); 139 int _X86_SYSARCH_L(get_mtrr)(struct mtrr *, int *); 140 int sysarch(int, void *); 141 __END_DECLS 142 #endif 143 144 #endif /* !_X86_SYSARCH_H_ */ 145