1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 1993 The Regents of the University of California. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 * $FreeBSD$ 32 */ 33 34 /* 35 * Architecture specific syscalls (X86) 36 */ 37 #ifndef _MACHINE_SYSARCH_H_ 38 #define _MACHINE_SYSARCH_H_ 39 40 #include <sys/cdefs.h> 41 42 #define I386_GET_LDT 0 43 #define I386_SET_LDT 1 44 #define LDT_AUTO_ALLOC 0xffffffff 45 /* I386_IOPL */ 46 #define I386_GET_IOPERM 3 47 #define I386_SET_IOPERM 4 48 /* xxxxx */ 49 #define I386_VM86 6 /* XXX Not implementable on amd64 */ 50 #define I386_GET_FSBASE 7 51 #define I386_SET_FSBASE 8 52 #define I386_GET_GSBASE 9 53 #define I386_SET_GSBASE 10 54 #define I386_GET_XFPUSTATE 11 55 56 /* Leave space for 0-127 for to avoid translating syscalls */ 57 #define AMD64_GET_FSBASE 128 58 #define AMD64_SET_FSBASE 129 59 #define AMD64_GET_GSBASE 130 60 #define AMD64_SET_GSBASE 131 61 #define AMD64_GET_XFPUSTATE 132 62 63 struct i386_ioperm_args { 64 unsigned int start; 65 unsigned int length; 66 int enable; 67 }; 68 69 #ifdef __i386__ 70 struct i386_ldt_args { 71 unsigned int start; 72 union descriptor *descs; 73 unsigned int num; 74 }; 75 76 struct i386_vm86_args { 77 int sub_op; /* sub-operation to perform */ 78 char *sub_args; /* args */ 79 }; 80 81 struct i386_get_xfpustate { 82 void *addr; 83 int len; 84 }; 85 #else 86 struct i386_ldt_args { 87 unsigned int start; 88 struct user_segment_descriptor *descs __packed; 89 unsigned int num; 90 }; 91 92 struct i386_get_xfpustate { 93 unsigned int addr; 94 int len; 95 }; 96 97 struct amd64_get_xfpustate { 98 void *addr; 99 int len; 100 }; 101 #endif 102 103 #ifndef _KERNEL 104 union descriptor; 105 struct dbreg; 106 107 __BEGIN_DECLS 108 int i386_get_ldt(int, union descriptor *, int); 109 int i386_set_ldt(int, union descriptor *, int); 110 int i386_get_ioperm(unsigned int, unsigned int *, int *); 111 int i386_set_ioperm(unsigned int, unsigned int, int); 112 int i386_vm86(int, void *); 113 int i386_get_fsbase(void **); 114 int i386_get_gsbase(void **); 115 int i386_set_fsbase(void *); 116 int i386_set_gsbase(void *); 117 int i386_set_watch(int, unsigned int, int, int, struct dbreg *); 118 int i386_clr_watch(int, struct dbreg *); 119 int amd64_get_fsbase(void **); 120 int amd64_get_gsbase(void **); 121 int amd64_set_fsbase(void *); 122 int amd64_set_gsbase(void *); 123 int sysarch(int, void *); 124 __END_DECLS 125 #else 126 struct thread; 127 union descriptor; 128 129 int i386_get_ldt(struct thread *, struct i386_ldt_args *); 130 int i386_set_ldt(struct thread *, struct i386_ldt_args *, union descriptor *); 131 int i386_get_ioperm(struct thread *, struct i386_ioperm_args *); 132 int i386_set_ioperm(struct thread *, struct i386_ioperm_args *); 133 int amd64_get_ldt(struct thread *, struct i386_ldt_args *); 134 int amd64_set_ldt(struct thread *, struct i386_ldt_args *, 135 struct user_segment_descriptor *); 136 int amd64_get_ioperm(struct thread *, struct i386_ioperm_args *); 137 int amd64_set_ioperm(struct thread *, struct i386_ioperm_args *); 138 #endif 139 140 #endif /* !_MACHINE_SYSARCH_H_ */ 141