sys/arch/m68k/include/svr4_machdep.h

   1 /*      $NetBSD: svr4_machdep.h,v 1.4 2005/12/11 12:17:53 christos Exp $        */
   2
   3 /*-
   4  * Copyright (c) 1999 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by Klaus Klein.
   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 _M68K_SVR4_MACHDEP_H_
  33 #define _M68K_SVR4_MACHDEP_H_
  34
  35 #include <compat/svr4/svr4_types.h>
  36
  37 #ifdef _KERNEL
  38 #include <m68k/frame.h>
  39 #endif
  40
  41 /*
  42  * Machine-dependent portions [M68K].
  43  */
  44
  45 #define SVR4_M68K_D0            0
  46 #define SVR4_M68K_D1            1
  47 #define SVR4_M68K_D2            2
  48 #define SVR4_M68K_D3            3
  49 #define SVR4_M68K_D4            4
  50 #define SVR4_M68K_D5            5
  51 #define SVR4_M68K_D6            6
  52 #define SVR4_M68K_D7            7
  53 #define SVR4_M68K_A0            8
  54 #define SVR4_M68K_A1            9
  55 #define SVR4_M68K_A2            10
  56 #define SVR4_M68K_A3            11
  57 #define SVR4_M68K_A4            12
  58 #define SVR4_M68K_A5            13
  59 #define SVR4_M68K_A6            14
  60 #define SVR4_M68K_A7            15
  61 #define SVR4_M68K_PC            16
  62 #define SVR4_M68K_PS            17
  63 #define SVR4_M68K_MAXREG        18
  64
  65 #define SVR4_M68K_FP            SVR4_M68K_A6
  66 #define SVR4_M68K_SP            SVR4_M68K_A7
  67
  68 typedef int             svr4_greg_t;
  69 typedef svr4_greg_t     svr4_gregset_t[SVR4_M68K_MAXREG];
  70
  71 typedef struct svr4_fpregset {
  72         int     f_pcr;
  73         int     f_psr;
  74         int     f_piaddr;
  75         int     f_fpregs[8][3];
  76 } svr4_fpregset_t;
  77
  78 typedef struct svr4_mcontext {
  79         svr4_gregset_t  gregs;
  80         svr4_fpregset_t fpregs;
  81         union {
  82                 long            mc_state[202];
  83 #ifdef _KERNEL
  84                 struct {
  85                         /* Rest of exception frame. */
  86                         unsigned int    format;
  87                         unsigned int    vector;
  88                         union F_u       exframe;
  89                         /* Rest of FPU frame. */
  90                         union FPF_u1    fpf_u1;
  91                         union FPF_u2    fpf_u2;
  92                 } frame;
  93 #endif
  94         } mc_pad;
  95 } svr4_mcontext_t;
  96
  97 #define mc_state        mc_pad.mc_state
  98
  99 /* No padding in ucontext_t; we need all the `padding' in mcontext_t. */
 100 #undef SVR4_UC_MACHINE_PAD
 101
 102 /*
 103  * sysm68k() commands
 104  */
 105 #define SVR4_SYSARCH_SETNAME            56
 106 #define SVR4_SYSARCH_BIURW              92
 107 #define SVR4_SYSARCH_EXOP               93
 108 #define SVR4_SYSARCH_AB_STKFRM          94
 109 #define SVR4_SYSARCH_LIMUSER            95
 110 #define SVR4_SYSARCH_KERNADDR           99
 111
 112 void    svr4_syscall_intern(struct proc *);
 113
 114 #endif /* !_M68K_SVR4_MACHDEP_H_ */