code.delx.au - gnu-emacs/blob - src/m/delta88k.h

   1 /* Machine description file for Motorola System V/88 machines
   2    Copyright (C) 1985 Free Software Foundation, Inc.
   3
   4 This file is part of GNU Emacs.
   5
   6 GNU Emacs is free software; you can redistribute it and/or modify
   7 it under the terms of the GNU General Public License as published by
   8 the Free Software Foundation; either version 2, or (at your option)
   9 any later version.
  10
  11 GNU Emacs is distributed in the hope that it will be useful,
  12 but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 GNU General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with GNU Emacs; see the file COPYING.  If not, write to
  18 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  19 Boston, MA 02111-1307, USA.  */
  20
  21
  22 /* The following line tells the configuration script what sort of
  23    operating system this machine is likely to run.
  24    USUAL-OPSYS="usg5-3"  */
  25
  26 /* Define WORDS_BIG_ENDIAN iff lowest-numbered byte in a word
  27    is the most significant byte.  */
  28
  29 #define WORDS_BIG_ENDIAN
  30
  31 /* Define NO_ARG_ARRAY if you cannot take the address of the first of a
  32  * group of arguments and treat it as an array of the arguments.  */
  33
  34 #define NO_ARG_ARRAY
  35
  36 /* Define WORD_MACHINE if addresses and such have
  37  * to be corrected before they can be used as byte counts.  */
  38
  39 /* #define WORD_MACHINE */
  40
  41 /* Now define a symbol for the cpu type, if your compiler
  42    does not define it automatically:
  43    Ones defined so far include vax, m68000, ns16000, pyramid,
  44    orion, tahoe, APOLLO and many others */
  45
  46 #ifndef m88000     /* Some 88k C compilers already define this */
  47 #define m88000
  48 #endif
  49
  50 /* Now define a symbol for the cpu type, if your compiler
  51    does not define it automatically.  */
  52
  53
  54 /* Use type int rather than a union, to represent Lisp_Object */
  55 /* This is desirable for most machines.  */
  56
  57 #define NO_UNION_TYPE
  58
  59 /* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend
  60    the 24-bit bit field into an int.  In other words, if bit fields
  61    are always unsigned.
  62
  63    If you use NO_UNION_TYPE, this flag does not matter.  */
  64
  65 /* #define EXPLICIT_SIGN_EXTEND */
  66
  67 /* Data type of load average, as read out of kmem.  */
  68 /* No load average on Motorola machines. */
  69 /* #define LOAD_AVE_TYPE double */
  70
  71 /* Convert that into an integer that is 100 for a load average of 1.0  */
  72 /* #define LOAD_AVE_CVT(x) ((int) ((x) * 100.0)) */
  73
  74 /* Define CANNOT_DUMP on machines where unexec does not work.
  75    Then the function dump-emacs will not be defined
  76    and temacs will do (load "loadup") automatically unless told otherwise.  */
  77
  78 /* #define CANNOT_DUMP  */
  79
  80 /* Define VIRT_ADDR_VARIES if the virtual addresses of
  81    pure and impure space as loaded can vary, and even their
  82    relative order cannot be relied on.
  83
  84    Otherwise Emacs assumes that text space precedes data space,
  85    numerically.  */
  86
  87 /* #define VIRT_ADDR_VARIES */
  88
  89 /* Define NO_REMAP if memory segmentation makes it not work well
  90    to change the boundary between the text section and data section
  91    when Emacs is dumped.  If you define this, the preloaded Lisp
  92    code will not be sharable; but that's better than failing completely.  */
  93
  94 #define NO_REMAP
  95
  96 /* Define C_ALLOCA if this machine does not support a true alloca
  97    and the one written in C should be used instead.
  98    Define HAVE_ALLOCA to say that the system provides a properly
  99    working alloca function and it should be used.
 100    Define neither one if an assembler-language alloca
 101    in the file alloca.s should be used.  */
 102
 103 /* BEM:  Distributed asm alloca doesn't work.  Don't know about libPW.a.
 104    C ALLOCA is safe and fast enough for now. */
 105
 106 #ifdef __GNUC__
 107 #define HAVE_ALLOCA   /* ... and be sure that no other ones are tried out. */
 108 #undef C_ALLOCA
 109 #else /* not __GNUC__ */
 110 #undef HAVE_ALLOCA
 111 #define C_ALLOCA      /* Use the alloca() supplied in alloca.c. */
 112 #define STACK_DIRECTION -1  /* The stack grows towards lower addresses. */
 113 #endif /* __GNUC__ */
 114
 115 /* Motorola SysV has PTYs.  Not all usg3-5 systems do, so this is defined
 116    here. */
 117
 118 #define HAVE_PTYS
 119 #define SYSV_PTYS
 120
 121 /* Ditto for IPC. */
 122
 123
 124 /*
 125  * we now have job control in R32V1
 126  */
 127 #undef NOMULTIPLEJOBS
 128
 129 /*
 130  * we have bcopy, bzero, bcmp in libc.a (what isn't in libc.a?)
 131  */
 132 #define BSTRING
 133
 134 /*
 135  * sockets are in R32V1
 136  */
 137 #define HAVE_SOCKETS
 138
 139 /*
 140  * we have the wrong name for networking libs
 141  */
 142 #ifdef USG5_4
 143 /* rms: not needed; LIB_X11_LIB deals with this.  */
 144 /* #define LIBX11_SYSTEM -lX11 */
 145 #else
 146 #undef LIB_X11_LIB /* We don't have the shared libs as assumed in usg5-3.h. */
 147 #undef LIBX11_SYSTEM
 148 #define LIBX11_SYSTEM -lnsl -lbsd
 149 #endif /* USG5_4 */
 150
 151 #define BROKEN_FIONREAD
 152
 153 /* previously defined in usg5-4, if we choose to use that.  */
 154 #ifndef LIBS_SYSTEM
 155 #ifdef USG5_4
 156 #define LIBS_SYSTEM -lsocket -lnsl
 157 #else
 158 #define LIBS_SYSTEM -lbsd -lg
 159 #endif /* USG5_4 */
 160 #endif
 161
 162 #define HAVE_TERMIOS
 163 #undef HAVE_TERMIO
 164 #define NO_TERMIO
 165 #undef sigsetmask
 166
 167 #define NO_SIOCTL_H
 168
 169 #ifdef USG5_4
 170 #ifdef HAVE_X_WINDOWS
 171 #else
 172 #undef BSTRING
 173 #endif /* HAVE_X_WINDOWS */
 174 #endif /* USG5_4 */
 175
 176 #define NO_PTY_H
 177
 178 #define USE_GETOBAUD