code.delx.au - gnu-emacs/blob - src/m/dual.h

   1 /* machine description file for Dual machines using unisoft port.
   2    Copyright (C) 1985 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, 675 Mass Ave, Cambridge, MA 02139, USA.  */
  19
  20 /* The following line tells the configuration script what sort of
  21    operating system this machine is likely to run.
  22    USUAL-OPSYS="note"
  23
  24 NOTE-START
  25 Dual running System V (-machine=dual -opsystem=usg5-2)
  26
  27   As of 17.46, this works except for a few changes
  28   needed in unexec.c.
  29
  30 Dual running Uniplus (-machine=dual -opsystem=unipl5-2)
  31
  32   Works, as of 17.51.
  33 NOTE-END */
  34
  35
  36 /* The following three symbols give information on
  37  the size of various data types.  */
  38
  39 #define SHORTBITS 16            /* Number of bits in a short */
  40
  41 #define INTBITS 32              /* Number of bits in an int */
  42
  43 #define LONGBITS 32             /* Number of bits in a long */
  44
  45 /* XINT must explicitly sign-extend */
  46
  47 #define EXPLICIT_SIGN_EXTEND
  48
  49 /* Use type int rather than a union, to represent Lisp_Object */
  50
  51 #define NO_UNION_TYPE
  52
  53 /* Now define a symbol for the cpu type, if your compiler
  54    does not define it automatically:
  55    vax, m68000, ns16000 are the ones defined so far.  */
  56
  57 #ifndef m68000
  58 #define m68000
  59 #endif
  60
  61 /* Data type of load average, as read out of kmem.  */
  62 /* These are commented out since it does not really work in uniplus */
  63
  64 /* #define LOAD_AVE_TYPE long */
  65
  66 /* Convert that into an integer that is 100 for a load average of 1.0  */
  67
  68 /* #define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0) */
  69
  70 /* Change some things to avoid bugs in compiler */
  71
  72 #define SWITCH_ENUM_BUG 1