src/m/vax.h

   1 /* machine description file for vax.
   2    Copyright (C) 1985, 1986, 2001, 2002, 2003, 2004, 2005, 2006, 2007,
   3                  2008  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 3 of the License, or
  10 (at your option) 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.  If not, see <http://www.gnu.org/licenses/>.  */
  19
  20
  21 /* The following line tells the configuration script what sort of
  22    operating system this machine is likely to run.
  23    USUAL-OPSYS="note"
  24
  25 NOTE-START
  26 The vax (-machine=vax) runs zillions of different operating systems.
  27
  28 NOTE-END  */
  29
  30 /* Define WORDS_BIG_ENDIAN if lowest-numbered byte in a word
  31    is the most significant byte.  */
  32
  33 #undef WORDS_BIG_ENDIAN
  34
  35 /* #define vax    -- appears to be done automatically  */
  36
  37 /* crt0.c should use the vax-bsd style of entry, with no dummy args.  */
  38
  39 #define CRT0_DUMMIES
  40
  41 #ifdef BSD_SYSTEM
  42 /* USG systems I know of running on Vaxes do not actually
  43    support the load average, so disable it for them.  */
  44
  45 /* Data type of load average, as read out of kmem.  */
  46
  47 #define LOAD_AVE_TYPE double
  48
  49 /* Convert that into an integer that is 100 for a load average of 1.0  */
  50
  51 #define LOAD_AVE_CVT(x) ((int) ((x) * 100.0))
  52
  53 #endif /* BSD_SYSTEM */
  54
  55 #ifdef BSD4_2
  56 #define HAVE_FTIME
  57 #endif
  58
  59 /* arch-tag: 508bdf7a-01a0-4ce0-8eba-0704d0df55a0
  60    (do not change this comment) */