src/m/delta88k.h

   1 /* Machine description file for Motorola System V/88 machines
   2    Copyright (C) 1985, 2001, 2002, 2003, 2004,
   3                  2005, 2006, 2007  Free Software Foundation, Inc.
   4
   5 This file is part of GNU Emacs.
   6
   7 GNU Emacs is free software; you can redistribute it and/or modify
   8 it under the terms of the GNU General Public License as published by
   9 the Free Software Foundation; either version 2, or (at your option)
  10 any later version.
  11
  12 GNU Emacs is distributed in the hope that it will be useful,
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 GNU General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with GNU Emacs; see the file COPYING.  If not, write to
  19 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  20 Boston, MA 02110-1301, USA.  */
  21
  22
  23 /* The following line tells the configuration script what sort of
  24    operating system this machine is likely to run.
  25    USUAL-OPSYS="usg5-3"  */
  26
  27 /* Define WORDS_BIG_ENDIAN iff lowest-numbered byte in a word
  28    is the most significant byte.  */
  29
  30 #define WORDS_BIG_ENDIAN
  31
  32 /* Define NO_ARG_ARRAY if you cannot take the address of the first of a
  33  * group of arguments and treat it as an array of the arguments.  */
  34
  35 #define NO_ARG_ARRAY
  36
  37 /* Define WORD_MACHINE if addresses and such have
  38  * to be corrected before they can be used as byte counts.  */
  39
  40 /* #define WORD_MACHINE */
  41
  42 /* Now define a symbol for the cpu type, if your compiler
  43    does not define it automatically:
  44    Ones defined so far include vax, m68000, ns16000, pyramid,
  45    orion, tahoe, APOLLO and many others */
  46
  47 #ifndef m88000     /* Some 88k C compilers already define this */
  48 #define m88000
  49 #endif
  50
  51 /* Now define a symbol for the cpu type, if your compiler
  52    does not define it automatically.  */
  53
  54
  55 /* Use type int rather than a union, to represent Lisp_Object */
  56 /* This is desirable for most machines.  */
  57
  58 #define NO_UNION_TYPE
  59
  60 /* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend
  61    the 24-bit bit field into an int.  In other words, if bit fields
  62    are always unsigned.
  63
  64    If you use NO_UNION_TYPE, this flag does not matter.  */
  65
  66 /* #define EXPLICIT_SIGN_EXTEND */
  67
  68 /* Data type of load average, as read out of kmem.  */
  69 /* No load average on Motorola machines. */
  70 /* #define LOAD_AVE_TYPE double */
  71
  72 /* Convert that into an integer that is 100 for a load average of 1.0  */
  73 /* #define LOAD_AVE_CVT(x) ((int) ((x) * 100.0)) */
  74
  75 /* Define CANNOT_DUMP on machines where unexec does not work.
  76    Then the function dump-emacs will not be defined
  77    and temacs will do (load "loadup") automatically unless told otherwise.  */
  78
  79 /* #define CANNOT_DUMP  */
  80
  81 /* Define VIRT_ADDR_VARIES if the virtual addresses of
  82    pure and impure space as loaded can vary, and even their
  83    relative order cannot be relied on.
  84
  85    Otherwise Emacs assumes that text space precedes data space,
  86    numerically.  */
  87
  88 /* #define VIRT_ADDR_VARIES */
  89
  90 /* Define NO_REMAP if memory segmentation makes it not work well
  91    to change the boundary between the text section and data section
  92    when Emacs is dumped.  If you define this, the preloaded Lisp
  93    code will not be sharable; but that's better than failing completely.  */
  94
  95 #define NO_REMAP
  96
  97 /* Motorola SysV has PTYs.  Not all usg3-5 systems do, so this is defined
  98    here. */
  99
 100 #define HAVE_PTYS
 101 #define SYSV_PTYS
 102
 103 /* Ditto for IPC. */
 104
 105
 106 /*
 107  * we now have job control in R32V1
 108  */
 109 #undef NOMULTIPLEJOBS
 110
 111 /*
 112  * we have bcopy, bzero, bcmp in libc.a (what isn't in libc.a?)
 113  */
 114 #define BSTRING
 115
 116 /*
 117  * sockets are in R32V1
 118  */
 119 #define HAVE_SOCKETS
 120
 121 /*
 122  * we have the wrong name for networking libs
 123  */
 124 #ifdef USG5_4
 125 /* rms: not needed; LIB_X11_LIB deals with this.  */
 126 /* #define LIBX11_SYSTEM -lX11 */
 127 #else
 128 #undef LIB_X11_LIB /* We don't have the shared libs as assumed in usg5-3.h. */
 129 #undef LIBX11_SYSTEM
 130 #define LIBX11_SYSTEM -lnsl -lbsd
 131 #endif /* USG5_4 */
 132
 133 #define BROKEN_FIONREAD
 134
 135 /* previously defined in usg5-4, if we choose to use that.  */
 136 #ifndef LIBS_SYSTEM
 137 #ifdef USG5_4
 138 #define LIBS_SYSTEM -lsocket -lnsl
 139 #else
 140 #define LIBS_SYSTEM -lbsd -lg
 141 #endif /* USG5_4 */
 142 #endif
 143
 144 #define HAVE_TERMIOS
 145 #undef HAVE_TERMIO
 146 #define NO_TERMIO
 147 #undef sigsetmask
 148
 149 #define NO_SIOCTL_H
 150
 151 #ifdef USG5_4
 152 #ifdef HAVE_X_WINDOWS
 153 #else
 154 #undef BSTRING
 155 #endif /* HAVE_X_WINDOWS */
 156 #endif /* USG5_4 */
 157
 158 #define NO_PTY_H
 159
 160 #define USE_GETOBAUD
 161
 162 /* arch-tag: c8ea1965-99d7-43df-ba32-29b66fc069be
 163    (do not change this comment) */