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 * 3. 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 (X86) 34 */ 35 #ifndef _MACHINE_SYSARCH_H_ 36 #define _MACHINE_SYSARCH_H_ 37 38 #include <sys/cdefs.h> 39 40 #define I386_GET_LDT 0 41 #define I386_SET_LDT 1 42 #define LDT_AUTO_ALLOC 0xffffffff 43 /* I386_IOPL */ 44 #define I386_GET_IOPERM 3 45 #define I386_SET_IOPERM 4 46 /* xxxxx */ 47 #define I386_VM86 6 /* XXX Not implementable on amd64 */ 48 #define I386_GET_FSBASE 7 49 #define I386_SET_FSBASE 8 50 #define I386_GET_GSBASE 9 51 #define I386_SET_GSBASE 10 52 #define I386_GET_XFPUSTATE 11 53 54 /* Leave space for 0-127 for to avoid translating syscalls */ 55 #define AMD64_GET_FSBASE 128 56 #define AMD64_SET_FSBASE 129 57 #define AMD64_GET_GSBASE 130 58 #define AMD64_SET_GSBASE 131 59 #define AMD64_GET_XFPUSTATE 132 60 61 struct i386_ioperm_args { 62 unsigned int start; 63 unsigned int length; 64 int enable; 65 }; 66 67 #ifdef __i386__ 68 struct i386_ldt_args { 69 unsigned int start; 70 union descriptor *descs; 71 unsigned int num; 72 }; 73 74 struct i386_vm86_args { 75 int sub_op; /* sub-operation to perform */ 76 char *sub_args; /* args */ 77 }; 78 79 struct i386_get_xfpustate { 80 void *addr; 81 int len; 82 }; 83 #else 84 struct i386_ldt_args { 85 unsigned int start; 86 struct user_segment_descriptor *descs __packed; 87 unsigned int num; 88 }; 89 90 struct i386_get_xfpustate { 91 unsigned int addr; 92 int len; 93 }; 94 95 struct amd64_get_xfpustate { 96 void *addr; 97 int len; 98 }; 99 #endif 100 101 #ifndef _KERNEL 102 union descriptor; 103 struct dbreg; 104 105 __BEGIN_DECLS 106 int i386_get_ldt(int, union descriptor *, int); 107 int i386_set_ldt(int, union descriptor *, int); 108 int i386_get_ioperm(unsigned int, unsigned int *, int *); 109 int i386_set_ioperm(unsigned int, unsigned int, int); 110 int i386_vm86(int, void *); 111 int i386_get_fsbase(void **); 112 int i386_get_gsbase(void **); 113 int i386_set_fsbase(void *); 114 int i386_set_gsbase(void *); 115 int i386_set_watch(int, unsigned int, int, int, struct dbreg *); 116 int i386_clr_watch(int, struct dbreg *); 117 int amd64_get_fsbase(void **); 118 int amd64_get_gsbase(void **); 119 int amd64_set_fsbase(void *); 120 int amd64_set_gsbase(void *); 121 int sysarch(int, void *); 122 __END_DECLS 123 #else 124 struct thread; 125 union descriptor; 126 127 int i386_get_ldt(struct thread *, struct i386_ldt_args *); 128 int i386_set_ldt(struct thread *, struct i386_ldt_args *, union descriptor *); 129 int i386_get_ioperm(struct thread *, struct i386_ioperm_args *); 130 int i386_set_ioperm(struct thread *, struct i386_ioperm_args *); 131 int amd64_get_ldt(struct thread *, struct i386_ldt_args *); 132 int amd64_set_ldt(struct thread *, struct i386_ldt_args *, 133 struct user_segment_descriptor *); 134 int amd64_get_ioperm(struct thread *, struct i386_ioperm_args *); 135 int amd64_set_ioperm(struct thread *, struct i386_ioperm_args *); 136 #endif 137 138 #endif /* !_MACHINE_SYSARCH_H_ */ 139