orion105.h   [plain text]


/* machine description file for HLH Orion 1/05 (Clipper).
   Copyright (C) 1985, 2001, 2002, 2003, 2004, 2005,
                 2006, 2007  Free Software Foundation, Inc.
   Lee McLoughlin <lmjm%doc.imperial.ac.uk@nss.cs.ucl.ac.uk>

This file is part of GNU Emacs.

GNU Emacs is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.

GNU Emacs is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with GNU Emacs; see the file COPYING.  If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.  */


/* The following line tells the configuration script what sort of
   operating system this machine is likely to run.
   USUAL-OPSYS="bsd4-2"  */

/* Define WORDS_BIG_ENDIAN iff lowest-numbered byte in a word
   is the most significant byte.  */

#undef WORDS_BIG_ENDIAN

/* Define NO_ARG_ARRAY if you cannot take the address of the first of a
 * group of arguments and treat it as an array of the arguments.  */

#define NO_ARG_ARRAY

/* Define WORD_MACHINE if addresses and such have
 * to be corrected before they can be used as byte counts.  */

/* Use type int rather than a union, to represent Lisp_Object */
/* This is desirable for most machines.  */

#define NO_UNION_TYPE

/* Data type of load average, as read out of kmem.  */
/* This used to be `double'.  */

#define LOAD_AVE_TYPE long

/* Convert that into an integer that is 100 for a load average of 1.0  */

/* This used to be 1.0.  */
#ifndef FSCALE
#define FSCALE 256
#endif
#define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / FSCALE)

/* HLH have a SIGWINCH defined (but unimplemented) so we need a sigmask */
#ifndef sigmask
#define sigmask(m) (1 << ((m) - 1))
#endif

/* Here is where programs actually start running */
#define TEXT_START 0x8000
#define LD_TEXT_START_ADDR 8000

/* Arguments to ignore before argc in crt0.c.  */
#define DUMMIES dummy1, dummy2,

/* arch-tag: 32fed6e3-8cae-4882-b327-a68c2af6db7a
   (do not change this comment) */