/* Machine description file for PFU A-series.
   Copyright (C) 1988 Free Software Foundation, Inc.

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., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.  */


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

#define WORDS_BIG_ENDIAN

/* Say this machine is a 68000 */

#define m68000
#define mc68000 1

/* Use type int rather than a union, to represent Lisp_Object */

#define NO_UNION_TYPE

/* XINT must explicitly sign-extend */

#define EXPLICIT_SIGN_EXTEND

/* The symbol FIONREAD is defined, but the feature does not work.  */

#define BROKEN_FIONREAD

/* Define NO_REMAP if memory segmentation makes it not work well
   to change the boundary between the text section and data section
   when Emacs is dumped.  If you define this, the preloaded Lisp
   code will not be sharable; but that's better than failing completely.  */

#define NO_REMAP

/* Define TEXT_START_ADDR if your linker don't set execute point to _start.
   If it needed, temacs always CORE-DUMP.	*/

#define TEXT_START_ADDR __start

/* Define START_FILES if your machine used _start.
 */

#define START_FILES crt0.o

/* Define LD_SWITCH_MACHINE if your linker needs it.
 */

#define LD_SWITCH_MACHINE -e __start

#if	pfa50 || pfa70

/* On A-50/60/70/80, data space has high order byte use. */
#define VALBITS 26
#define VALMASK (((1<<VALBITS) - 1) | 0x60000000)
#define XTYPE(a) ((enum Lisp_Type) (((a) >> VALBITS) & GCTYPEMASK))

#endif /* pfa50, pfa70 */

/* SX/A has alloca in the PW library.  */

#define LIB_STANDARD -lPW -lc
#define HAVE_ALLOCA

/* SX/A uses terminfo and lib/curses   */

#define TERMINFO

#define HAVE_PTYS
#define HAVE_SOCKETS

/* SX/A use SystemV style getdents/readdir. */

/* SX/A does not have sigblock(2) */
#define sigblock(mask)	(0)

#define NO_SIOCTL_H

#undef SIGIO
