src/m/targon31.h

   1 /* targon31 machine description file
   2    Copyright (C) 1985, 1986, 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 3, 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="usg5-2-2"  */
  26
  27 /* Define WORDS_BIG_ENDIAN if 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    vax, m68000, ns16000, pyramid, orion, tahoe and APOLLO
  45    are the ones defined so far.  */
  46
  47 /* #define m68k is defined by the Compiler */
  48 /* #define m68000 */
  49
  50 /* Use type int rather than a union, to represent Lisp_Object */
  51 /* This is desirable for most machines.  */
  52
  53 #define NO_UNION_TYPE
  54
  55 /* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend
  56    the 24-bit bit field into an int.  In other words, if bit fields
  57    are always unsigned.
  58
  59    If you use NO_UNION_TYPE, this flag does not matter.  */
  60
  61 #define EXPLICIT_SIGN_EXTEND
  62
  63 /* Data type of load average, as read out of kmem.  */
  64
  65 /* #define LOAD_AVE_TYPE double */
  66
  67 /* Convert that into an integer that is 100 for a load average of 1.0  */
  68
  69 #define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0)
  70
  71 /* Define CANNOT_DUMP on machines where unexec does not work.
  72    Then the function dump-emacs will not be defined
  73    and temacs will do (load "loadup") automatically unless told otherwise.  */
  74
  75 /* #define CANNOT_DUMP */
  76
  77 /* Define VIRT_ADDR_VARIES if the virtual addresses of
  78    pure and impure space as loaded can vary, and even their
  79    relative order cannot be relied on.
  80
  81    Otherwise Emacs assumes that text space precedes data space,
  82    numerically.  */
  83
  84 /* #define VIRT_ADDR_VARIES */
  85
  86 /* Define NO_REMAP if memory segmentation makes it not work well
  87    to change the boundary between the text section and data section
  88    when Emacs is dumped.  If you define this, the preloaded Lisp
  89    code will not be sharable; but that's better than failing completely.  */
  90
  91 /* #define NO_REMAP */
  92 /* Supposedly NO_REMAP is not needed with the following change.  */
  93 #define SEGMENT_MASK 0xffff
  94
  95 #define SWITCH_ENUM_BUG 1
  96
  97 /* arch-tag: f2438018-7d4e-4be5-b368-4bf342b7785b
  98    (do not change this comment) */