src/m/dpx2.h

   1 /* machine description for Bull DPX/2 range
   2    Copyright (C) 1985, 1986, 1999, 2002, 2003, 2004,
   3                  2005, 2006 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 /* 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 /*
  27  * You need to either un-comment one of these lines, or copy one
  28  * of them to config.h before you include this file.
  29  * Note that some simply define a constant and others set a value.
  30  */
  31
  32 /* #define ncl_el       /* DPX/2 210,220 etc */
  33 /* #define ncl_mr 1     /* DPX/2 320,340 (and 360,380 ?) */
  34
  35 /* Define WORDS_BIG_ENDIAN iff lowest-numbered byte in a word
  36    is the most significant byte.  */
  37
  38 #define WORDS_BIG_ENDIAN
  39
  40 /* Define NO_ARG_ARRAY if you cannot take the address of the first of a
  41  * group of arguments and treat it as an array of the arguments.  */
  42
  43 #define NO_ARG_ARRAY
  44
  45 /* Define WORD_MACHINE if addresses and such have
  46  * to be corrected before they can be used as byte counts.  */
  47
  48 /* #define WORD_MACHINE /**/
  49
  50 /* Now define a symbol for the cpu type, if your compiler
  51    does not define it automatically:
  52    Ones defined so far include vax, m68000, ns16000, pyramid,
  53    orion, tahoe, APOLLO and many others */
  54
  55 /* /bin/cc on ncl_el and ncl_mr define m68k and mc68000 */
  56
  57 /* Use type int rather than a union, to represent Lisp_Object */
  58 /* This is desirable for most machines.  */
  59
  60 #define NO_UNION_TYPE
  61
  62 /* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend
  63    the 24-bit bit field into an int.  In other words, if bit fields
  64    are always unsigned.
  65
  66    If you use NO_UNION_TYPE, this flag does not matter.  */
  67
  68 #define EXPLICIT_SIGN_EXTEND
  69
  70 /* Data type of load average, as read out of kmem.  */
  71
  72 #define LOAD_AVE_TYPE long
  73
  74 /* Convert that into an integer that is 100 for a load average of 1.0  */
  75
  76 #define FSCALE 1000.0
  77 #define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / FSCALE)
  78
  79 /* Define CANNOT_DUMP on machines where unexec does not work.
  80    Then the function dump-emacs will not be defined
  81    and temacs will do (load "loadup") automatically unless told otherwise.  */
  82
  83 /*#define CANNOT_DUMP /**/
  84
  85 /* Define VIRT_ADDR_VARIES if the virtual addresses of
  86    pure and impure space as loaded can vary, and even their
  87    relative order cannot be relied on.
  88
  89    Otherwise Emacs assumes that text space precedes data space,
  90    numerically.  */
  91
  92 /* #define VIRT_ADDR_VARIES /**/
  93
  94 /* Define NO_REMAP if memory segmentation makes it not work well
  95    to change the boundary between the text section and data section
  96    when Emacs is dumped.  If you define this, the preloaded Lisp
  97    code will not be sharable; but that's better than failing completely.  */
  98
  99 #define NO_REMAP
 100
 101 /*
 102  * end of the standard macro's
 103  */
 104
 105 /*
 106  * a neat identifier to handle source mods (if needed)
 107  */
 108 #ifndef DPX2
 109 #define DPX2
 110 #endif
 111
 112 /* Disable support for shared libraries in unexec.  */
 113
 114 #undef USG_SHARED_LIBRARIES
 115
 116 /*
 117  * if we use X11, libX11.a has these...
 118  */
 119 # undef LIB_X11_LIB
 120 # define LIB_X11_LIB -lX11
 121 # undef LIBX11_SYSTEM
 122 # define LIBX11_SYSTEM -lmalloc -lnsl
 123 # define BSTRING
 124
 125 /*
 126  * we must have INET loaded so we have sockets
 127  */
 128 # define HAVE_SOCKETS
 129
 130 /*
 131  * useful if you have INET loaded
 132  */
 133 # define LIBS_MACHINE -linet
 134
 135
 136 #if (defined(ncl_mr) || defined(ncl_el)) && !defined (NBPC)
 137 # define NBPC 4096
 138 #endif
 139
 140 /*
 141  * if SIGIO is defined, much of the emacs
 142  * code assumes we are BSD !!
 143  */
 144 #define BROKEN_SIGIO
 145
 146
 147 /*
 148  * a good idea on multi-user systems :-)
 149  */
 150 #define CLASH_DETECTION         /* probably a good idea */
 151
 152
 153 /*
 154  * sysdep.c(sys_suspend) works fine with emacs-18.58
 155  * and BOS 02.00.45, if you have an earler version
 156  * of Emacs and/or BOS, or have problems, or just prefer
 157  * to start a sub-shell rather than suspend-emacs,
 158  * un-comment out the next line.
 159  */
 160 /* # define BROKEN_SIGTSTP /* make suspend-emacs spawn a sub-shell */
 161 #ifdef NOMULTIPLEJOBS
 162 # undef NOMULTIPLEJOBS
 163 #endif
 164 /*
 165  * no we don't want this at all
 166  */
 167 #ifdef USG_JOBCTRL
 168 # undef USG_JOBCTRL
 169 #endif
 170
 171 /*
 172  * but we have that
 173 */
 174 #define GETPGRP_NO_ARG
 175
 176 /* select also needs this header file--but not in ymakefile.  */
 177 #ifndef NOT_C_CODE
 178 #include <sys/types.h>
 179 #include <sys/select.h>
 180 #endif
 181
 182 #define TEXT_START 0
 183
 184 /* we have termios */
 185 #undef HAVE_TERMIO
 186 #define HAVE_TERMIOS
 187 #define HAVE_TCATTR
 188
 189 /* we also have this */
 190 #define HAVE_PTYS
 191 #define SYSV_PTYS
 192
 193 /* It doesn't seem we have sigpause */
 194 #undef HAVE_SYSV_SIGPAUSE
 195
 196 #define POSIX_SIGNALS
 197
 198 /* We don't need the definition from usg5-3.h with POSIX_SIGNALS.  */
 199 #undef sigsetmask
 200
 201
 202 /* on bos2.00.45 there is a bug that makes the F_SETOWN fcntl() call
 203    enters in an infinite loop. Avoid calling it  */
 204 #define F_SETOWN_BUG
 205
 206 /* system closedir sometimes complains about wrong descriptor
 207    for no apparent reasons. Use the provided closedir in sysdep.c instead */
 208 #ifdef HAVE_CLOSEDIR
 209 #undef HAVE_CLOSEDIR
 210 #endif
 211
 212 /* Send signals to subprocesses by "typing" signal chars at them.  */
 213 #define SIGNALS_VIA_CHARACTERS
 214
 215 /* This is to prevent memory clobbering on the DPX/2 200.  */
 216 #define LD_SWITCH_MACHINE -N -T32
 217
 218  /* end of dpx2.h */
 219
 220
 221 /* arch-tag: 8cfdf817-aec7-4d99-a00d-0e77615e8e1b
 222    (do not change this comment) */