sys/arch/i386/include/svr4_machdep.h

   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_ */