1 /*- 2 * Copyright (c) 1993 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 4. Neither the name of the University nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * $FreeBSD$ 30 */ 31 32 /* 33 * Architecture specific syscalls (i386) 34 */ 35 #ifndef _MACHINE_SYSARCH_H_ 36 #define _MACHINE_SYSARCH_H_ 37 38 #define I386_GET_LDT 0 39 #define I386_SET_LDT 1 40 #define LDT_AUTO_ALLOC 0xffffffff 41 /* I386_IOPL */ 42 #define I386_GET_IOPERM 3 43 #define I386_SET_IOPERM 4 44 /* xxxxx */ 45 #define I386_VM86 6 46 #define I386_GET_FSBASE 7 47 #define I386_SET_FSBASE 8 48 #define I386_GET_GSBASE 9 49 #define I386_SET_GSBASE 10 50 51 /* These four only exist when running an i386 binary on amd64 */ 52 #define _AMD64_GET_FSBASE 128 53 #define _AMD64_SET_FSBASE 129 54 #define _AMD64_GET_GSBASE 130 55 #define _AMD64_SET_GSBASE 131 56 57 struct i386_ldt_args { 58 unsigned int start; 59 union descriptor *descs; 60 unsigned int num; 61 }; 62 63 struct i386_ioperm_args { 64 unsigned int start; 65 unsigned int length; 66 int enable; 67 }; 68 69 struct i386_vm86_args { 70 int sub_op; /* sub-operation to perform */ 71 char *sub_args; /* args */ 72 }; 73 74 #ifndef _KERNEL 75 #include <sys/cdefs.h> 76 77 union descriptor; 78 struct dbreg; 79 80 __BEGIN_DECLS 81 /* These four only exist when running an i386 binary on amd64 */ 82 int _amd64_get_fsbase(void **); 83 int _amd64_get_gsbase(void **); 84 int _amd64_set_fsbase(void *); 85 int _amd64_set_gsbase(void *); 86 int i386_get_ldt(int, union descriptor *, int); 87 int i386_set_ldt(int, union descriptor *, int); 88 int i386_get_ioperm(unsigned int, unsigned int *, int *); 89 int i386_set_ioperm(unsigned int, unsigned int, int); 90 int i386_vm86(int, void *); 91 int i386_get_fsbase(void **); 92 int i386_get_gsbase(void **); 93 int i386_set_fsbase(void *); 94 int i386_set_gsbase(void *); 95 int i386_set_watch(int, unsigned int, int, int, struct dbreg *); 96 int i386_clr_watch(int, struct dbreg *); 97 int sysarch(int, void *); 98 __END_DECLS 99 #else 100 struct thread; 101 union descriptor; 102 103 int i386_get_ldt(struct thread *, struct i386_ldt_args *); 104 int i386_set_ldt(struct thread *, struct i386_ldt_args *, union descriptor *); 105 int i386_get_ioperm(struct thread *, struct i386_ioperm_args *); 106 int i386_set_ioperm(struct thread *, struct i386_ioperm_args *); 107 #endif 108 109 #endif /* !_MACHINE_SYSARCH_H_ */ 110