1 /* $NetBSD: svr4_machdep.h,v 1.16 2008/04/28 20:23:24 martin Exp $ */ 2 3 /*- 4 * Copyright (c) 1994 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Christos Zoulas. 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 _I386_SVR4_MACHDEP_H_ 33 #define _I386_SVR4_MACHDEP_H_ 34 35 #include <compat/svr4/svr4_types.h> 36 37 /* 38 * Machine dependent portions [X86] 39 */ 40 41 #define SVR4_X86_GS 0 42 #define SVR4_X86_FS 1 43 #define SVR4_X86_ES 2 44 #define SVR4_X86_DS 3 45 #define SVR4_X86_EDI 4 46 #define SVR4_X86_ESI 5 47 #define SVR4_X86_EBP 6 48 #define SVR4_X86_ESP 7 49 #define SVR4_X86_EBX 8 50 #define SVR4_X86_EDX 9 51 #define SVR4_X86_ECX 10 52 #define SVR4_X86_EAX 11 53 #define SVR4_X86_TRAPNO 12 54 #define SVR4_X86_ERR 13 55 #define SVR4_X86_EIP 14 56 #define SVR4_X86_CS 15 57 #define SVR4_X86_EFL 16 58 #define SVR4_X86_UESP 17 59 #define SVR4_X86_SS 18 60 #define SVR4_X86_MAXREG 19 61 62 63 typedef int svr4_greg_t; 64 typedef svr4_greg_t svr4_gregset_t[SVR4_X86_MAXREG]; 65 66 typedef struct { 67 int f_x87[62]; /* x87 registers */ 68 long f_weitek[33]; /* weitek */ 69 } svr4_fregset_t; 70 71 struct svr4_mcontext; 72 73 typedef struct svr4_mcontext { 74 svr4_gregset_t greg; 75 svr4_fregset_t freg; 76 } svr4_mcontext_t; 77 78 #define SVR4_UC_MACHINE_PAD 5 79 80 /* 81 * SYSARCH numbers 82 */ 83 #define SVR4_SYSARCH_FPHW 40 84 #define SVR4_SYSARCH_DSCR 75 85 86 struct svr4_ssd { 87 unsigned int selector; 88 unsigned int base; 89 unsigned int limit; 90 unsigned int access1; 91 unsigned int access2; 92 }; 93 94 /* 95 * Processor traps 96 */ 97 #define SVR4_T_DIVIDE 0 98 #define SVR4_T_TRCTRAP 1 99 #define SVR4_T_NMI 2 100 #define SVR4_T_BPTFLT 3 101 #define SVR4_T_OFLOW 4 102 #define SVR4_T_BOUND 5 103 #define SVR4_T_PRIVINFLT 6 104 #define SVR4_T_DNA 7 105 #define SVR4_T_DOUBLEFLT 8 106 #define SVR4_T_FPOPFLT 9 107 #define SVR4_T_TSSFLT 10 108 #define SVR4_T_SEGNPFLT 11 109 #define SVR4_T_STKFLT 12 110 #define SVR4_T_PROTFLT 13 111 #define SVR4_T_PAGEFLT 14 112 #define SVR4_T_ALIGNFLT 17 113 114 /* 115 * Fast syscall gate traps. 116 */ 117 #define SVR4_TRAP_FNULL 0 /* Null trap, for testing */ 118 #define SVR4_TRAP_FGETFP 1 /* Get emulated FP context */ 119 #define SVR4_TRAP_FSETFP 2 /* Set emulated FP context */ 120 #define SVR4_TRAP_GETHRTIME 3 /* implements gethrtime(2) */ 121 #define SVR4_TRAP_GETHRVTIME 4 /* implements gethrvtime(2) */ 122 #define SVR4_TRAP_GETHRESTIME 5 /* clock_gettime(CLOCK_REALTIME, tp) */ 123 124 void svr4_syscall_intern(struct proc *); 125 126 #endif /* !_I386_SVR4_MACHDEP_H_ */ 127