src/m/dpx2.h

   1 /* machine description for Bull DPX/2 range
   2    Copyright (C) 1985, 1986, 1999, 2002 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 /* The following line tells the configuration script what sort of
  22    operating system this machine is likely to run.
  23    USUAL-OPSYS="usg5-3"  */
  24
  25 /*
  26  * You need to either un-comment one of these lines, or copy one
  27  * of them to config.h before you include this file.
  28  * Note that some simply define a constant and others set a value.
  29  */
  30
  31 /* #define ncl_el       /* DPX/2 210,220 etc */
  32 /* #define ncl_mr 1     /* DPX/2 320,340 (and 360,380 ?) */
  33
  34 /* Define WORDS_BIG_ENDIAN iff lowest-numbered byte in a word
  35    is the most significant byte.  */
  36
  37 #define WORDS_BIG_ENDIAN
  38
  39 /* Define NO_ARG_ARRAY if you cannot take the address of the first of a
  40  * group of arguments and treat it as an array of the arguments.  */
  41
  42 #define NO_ARG_ARRAY
  43
  44 /* Define WORD_MACHINE if addresses and such have
  45  * to be corrected before they can be used as byte counts.  */
  46
  47 /* #define WORD_MACHINE /**/
  48
  49 /* Now define a symbol for the cpu type, if your compiler
  50    does not define it automatically:
  51    Ones defined so far include vax, m68000, ns16000, pyramid,
  52    orion, tahoe, APOLLO and many others */
  53
  54 /* /bin/cc on ncl_el and ncl_mr define m68k and mc68000 */
  55
  56 /* Use type int rather than a union, to represent Lisp_Object */
  57 /* This is desirable for most machines.  */
  58
  59 #define NO_UNION_TYPE
  60
  61 /* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend
  62    the 24-bit bit field into an int.  In other words, if bit fields
  63    are always unsigned.
  64
  65    If you use NO_UNION_TYPE, this flag does not matter.  */
  66
  67 #define EXPLICIT_SIGN_EXTEND
  68
  69 /* Data type of load average, as read out of kmem.  */
  70
  71 #define LOAD_AVE_TYPE long
  72
  73 /* Convert that into an integer that is 100 for a load average of 1.0  */
  74
  75 #define FSCALE 1000.0
  76 #define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / FSCALE)
  77
  78 /* Define CANNOT_DUMP on machines where unexec does not work.
  79    Then the function dump-emacs will not be defined
  80    and temacs will do (load "loadup") automatically unless told otherwise.  */
  81
  82 /*#define CANNOT_DUMP /**/
  83
  84 /* Define VIRT_ADDR_VARIES if the virtual addresses of
  85    pure and impure space as loaded can vary, and even their
  86    relative order cannot be relied on.
  87
  88    Otherwise Emacs assumes that text space precedes data space,
  89    numerically.  */
  90
  91 /* #define VIRT_ADDR_VARIES /**/
  92
  93 /* Define NO_REMAP if memory segmentation makes it not work well
  94    to change the boundary between the text section and data section
  95    when Emacs is dumped.  If you define this, the preloaded Lisp
  96    code will not be sharable; but that's better than failing completely.  */
  97
  98 #define NO_REMAP
  99
 100 /*
 101  * end of the standard macro's
 102  */
 103
 104 /*
 105  * a neat identifier to handle source mods (if needed)
 106  */
 107 #ifndef DPX2
 108 #define DPX2
 109 #endif
 110
 111 /* Disable support for shared libraries in unexec.  */
 112
 113 #undef USG_SHARED_LIBRARIES
 114
 115 /*
 116  * if we use X11, libX11.a has these...
 117  */
 118 # undef LIB_X11_LIB
 119 # define LIB_X11_LIB -lX11
 120 # undef LIBX11_SYSTEM
 121 # define LIBX11_SYSTEM -lmalloc -lnsl
 122 # define BSTRING
 123
 124 /*
 125  * we must have INET loaded so we have sockets
 126  */
 127 # define HAVE_SOCKETS
 128
 129 /*
 130  * useful if you have INET loaded
 131  */
 132 # define LIBS_MACHINE -linet
 133
 134
 135 #if (defined(ncl_mr) || defined(ncl_el)) && !defined (NBPC)
 136 # define NBPC 4096
 137 #endif
 138
 139 /*
 140  * if SIGIO is defined, much of the emacs
 141  * code assumes we are BSD !!
 142  */
 143 #define BROKEN_SIGIO
 144
 145
 146 /*
 147  * a good idea on multi-user systems :-)
 148  */
 149 #define CLASH_DETECTION         /* probably a good idea */
 150
 151
 152 /*
 153  * sysdep.c(sys_suspend) works fine with emacs-18.58
 154  * and BOS 02.00.45, if you have an earler version
 155  * of Emacs and/or BOS, or have problems, or just prefer
 156  * to start a sub-shell rather than suspend-emacs,
 157  * un-comment out the next line.
 158  */
 159 /* # define BROKEN_SIGTSTP /* make suspend-emacs spawn a sub-shell */
 160 #ifdef NOMULTIPLEJOBS
 161 # undef NOMULTIPLEJOBS
 162 #endif
 163 /*
 164  * no we don't want this at all
 165  */
 166 #ifdef USG_JOBCTRL
 167 # undef USG_JOBCTRL
 168 #endif
 169
 170 /*
 171  * but we have that
 172 */
 173 #define GETPGRP_NO_ARG
 174
 175 /* select also needs this header file--but not in ymakefile.  */
 176 #ifndef NOT_C_CODE
 177 #include <sys/types.h>
 178 #include <sys/select.h>
 179 #endif
 180
 181 #define TEXT_START 0
 182
 183 /* we have termios */
 184 #undef HAVE_TERMIO
 185 #define HAVE_TERMIOS
 186 #define HAVE_TCATTR
 187
 188 /* we also have this */
 189 #define HAVE_PTYS
 190 #define SYSV_PTYS
 191
 192 /* It doesn't seem we have sigpause */
 193 #undef HAVE_SYSV_SIGPAUSE
 194
 195 #define POSIX_SIGNALS
 196
 197 /* We don't need the definition from usg5-3.h with POSIX_SIGNALS.  */
 198 #undef sigsetmask
 199
 200
 201 /* on bos2.00.45 there is a bug that makes the F_SETOWN fcntl() call
 202    enters in an infinite loop. Avoid calling it  */
 203 #define F_SETOWN_BUG
 204
 205 /* system closedir sometimes complains about wrong descriptor
 206    for no apparent reasons. Use the provided closedir in sysdep.c instead */
 207 #ifdef HAVE_CLOSEDIR
 208 #undef HAVE_CLOSEDIR
 209 #endif
 210
 211 /* Send signals to subprocesses by "typing" signal chars at them.  */
 212 #define SIGNALS_VIA_CHARACTERS
 213
 214 /* This is to prevent memory clobbering on the DPX/2 200.  */
 215 #define LD_SWITCH_MACHINE -N -T32
 216
 217  /* end of dpx2.h */
 218
 219