src/m/orion105.h

   1 /* machine description file for HLH Orion 1/05 (Clipper).
   2    Copyright (C) 1985 Free Software Foundation, Inc.
   3    Lee McLoughlin <lmjm%doc.imperial.ac.uk@nss.cs.ucl.ac.uk>
   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, 675 Mass Ave, Cambridge, MA 02139, USA.  */
  20
  21
  22 /* The following line tells the configuration script what sort of
  23    operating system this machine is likely to run.
  24    USUAL-OPSYS="bsd4-2"  */
  25
  26 /* Define WORDS_BIG_ENDIAN iff lowest-numbered byte in a word
  27    is the most significant byte.  */
  28
  29 #undef WORDS_BIG_ENDIAN
  30
  31 /* Define NO_ARG_ARRAY if you cannot take the address of the first of a
  32  * group of arguments and treat it as an array of the arguments.  */
  33
  34 #define NO_ARG_ARRAY
  35
  36 /* Define WORD_MACHINE if addresses and such have
  37  * to be corrected before they can be used as byte counts.  */
  38
  39 /* Use type int rather than a union, to represent Lisp_Object */
  40 /* This is desirable for most machines.  */
  41
  42 #define NO_UNION_TYPE
  43
  44 /* Data type of load average, as read out of kmem.  */
  45 /* This used to be `double'.  */
  46
  47 #define LOAD_AVE_TYPE long
  48
  49 /* Convert that into an integer that is 100 for a load average of 1.0  */
  50
  51 /* This used to be 1.0.  */
  52 #ifndef FSCALE
  53 #define FSCALE 256
  54 #endif
  55 #define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / FSCALE)
  56
  57 /* HLH have a SIGWINCH defined (but unimplemented) so we need a sigmask */
  58 #ifndef sigmask
  59 #define sigmask(m) (1 << ((m) - 1))
  60 #endif
  61
  62 #define HAVE_ALLOCA
  63
  64 /* Here is where programs actually start running */
  65 #define TEXT_START 0x8000
  66 #define LD_TEXT_START_ADDR 8000
  67
  68 /* Arguments to ignore before argc in crt0.c.  */
  69 #define DUMMIES dummy1, dummy2,