1/* machine description for Bull DPX/2 range
2   Copyright (C) 1985, 1986, 1999, 2001, 2002, 2003, 2004,
3                 2005, 2006, 2007  Free Software Foundation, Inc.
4
5This file is part of GNU Emacs.
6
7GNU Emacs is free software; you can redistribute it and/or modify
8it under the terms of the GNU General Public License as published by
9the Free Software Foundation; either version 2, or (at your option)
10any later version.
11
12GNU Emacs is distributed in the hope that it will be useful,
13but WITHOUT ANY WARRANTY; without even the implied warranty of
14MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15GNU General Public License for more details.
16
17You should have received a copy of the GNU General Public License
18along with GNU Emacs; see the file COPYING.  If not, write to
19the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
20Boston, MA 02110-1301, USA.  */
21
22/* The following line tells the configuration script what sort of
23   operating system this machine is likely to run.
24   USUAL-OPSYS="usg5-3"  */
25
26/*
27 * You need to either un-comment one of these lines, or copy one
28 * of them to config.h before you include this file.
29 * Note that some simply define a constant and others set a value.
30 */
31
32/* #define ncl_el	/* DPX/2 210,220 etc */
33/* #define ncl_mr 1	/* DPX/2 320,340 (and 360,380 ?) */
34
35/* Define WORDS_BIG_ENDIAN iff lowest-numbered byte in a word
36   is the most significant byte.  */
37
38#define WORDS_BIG_ENDIAN
39
40/* Define NO_ARG_ARRAY if you cannot take the address of the first of a
41 * group of arguments and treat it as an array of the arguments.  */
42
43#define NO_ARG_ARRAY
44
45/* Define WORD_MACHINE if addresses and such have
46 * to be corrected before they can be used as byte counts.  */
47
48/* #define WORD_MACHINE /**/
49
50/* Now define a symbol for the cpu type, if your compiler
51   does not define it automatically:
52   Ones defined so far include vax, m68000, ns16000, pyramid,
53   orion, tahoe, APOLLO and many others */
54
55/* /bin/cc on ncl_el and ncl_mr define m68k and mc68000 */
56
57/* Use type int rather than a union, to represent Lisp_Object */
58/* This is desirable for most machines.  */
59
60#define NO_UNION_TYPE
61
62/* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend
63   the 24-bit bit field into an int.  In other words, if bit fields
64   are always unsigned.
65
66   If you use NO_UNION_TYPE, this flag does not matter.  */
67
68#define EXPLICIT_SIGN_EXTEND
69
70/* Data type of load average, as read out of kmem.  */
71
72#define LOAD_AVE_TYPE long
73
74/* Convert that into an integer that is 100 for a load average of 1.0  */
75
76#define FSCALE 1000.0
77#define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / FSCALE)
78
79/* Define CANNOT_DUMP on machines where unexec does not work.
80   Then the function dump-emacs will not be defined
81   and temacs will do (load "loadup") automatically unless told otherwise.  */
82
83/*#define CANNOT_DUMP /**/
84
85/* Define VIRT_ADDR_VARIES if the virtual addresses of
86   pure and impure space as loaded can vary, and even their
87   relative order cannot be relied on.
88
89   Otherwise Emacs assumes that text space precedes data space,
90   numerically.  */
91
92/* #define VIRT_ADDR_VARIES /**/
93
94/* Define NO_REMAP if memory segmentation makes it not work well
95   to change the boundary between the text section and data section
96   when Emacs is dumped.  If you define this, the preloaded Lisp
97   code will not be sharable; but that's better than failing completely.  */
98
99#define NO_REMAP
100
101/*
102 * end of the standard macro's
103 */
104
105/*
106 * a neat identifier to handle source mods (if needed)
107 */
108#ifndef DPX2
109#define DPX2
110#endif
111
112/* Disable support for shared libraries in unexec.  */
113
114#undef USG_SHARED_LIBRARIES
115
116/*
117 * if we use X11, libX11.a has these...
118 */
119# undef LIB_X11_LIB
120# define LIB_X11_LIB -lX11
121# undef LIBX11_SYSTEM
122# define LIBX11_SYSTEM -lmalloc -lnsl
123# define BSTRING
124
125/*
126 * we must have INET loaded so we have sockets
127 */
128# define HAVE_SOCKETS
129
130/*
131 * useful if you have INET loaded
132 */
133# define LIBS_MACHINE -linet
134
135
136#if (defined(ncl_mr) || defined(ncl_el)) && !defined (NBPC)
137# define NBPC 4096
138#endif
139
140/*
141 * if SIGIO is defined, much of the emacs
142 * code assumes we are BSD !!
143 */
144#define BROKEN_SIGIO
145
146
147/*
148 * a good idea on multi-user systems :-)
149 */
150#define CLASH_DETECTION		/* probably a good idea */
151
152
153/*
154 * sysdep.c(sys_suspend) works fine with emacs-18.58
155 * and BOS 02.00.45, if you have an earler version
156 * of Emacs and/or BOS, or have problems, or just prefer
157 * to start a sub-shell rather than suspend-emacs,
158 * un-comment out the next line.
159 */
160/* # define BROKEN_SIGTSTP /* make suspend-emacs spawn a sub-shell */
161#ifdef NOMULTIPLEJOBS
162# undef NOMULTIPLEJOBS
163#endif
164/*
165 * no we don't want this at all
166 */
167#ifdef USG_JOBCTRL
168# undef USG_JOBCTRL
169#endif
170
171/*
172 * but we have that
173*/
174#define GETPGRP_NO_ARG
175
176/* select also needs this header file--but not in ymakefile.  */
177#ifndef NOT_C_CODE
178#include <sys/types.h>
179#include <sys/select.h>
180#endif
181
182#define TEXT_START 0
183
184/* we have termios */
185#undef HAVE_TERMIO
186#define HAVE_TERMIOS
187#define HAVE_TCATTR
188
189/* we also have this */
190#define HAVE_PTYS
191#define SYSV_PTYS
192
193/* It doesn't seem we have sigpause */
194#undef HAVE_SYSV_SIGPAUSE
195
196#define POSIX_SIGNALS
197
198/* We don't need the definition from usg5-3.h with POSIX_SIGNALS.  */
199#undef sigsetmask
200
201
202/* on bos2.00.45 there is a bug that makes the F_SETOWN fcntl() call
203   enters in an infinite loop. Avoid calling it  */
204#define F_SETOWN_BUG
205
206/* system closedir sometimes complains about wrong descriptor
207   for no apparent reasons. Use the provided closedir in sysdep.c instead */
208#ifdef HAVE_CLOSEDIR
209#undef HAVE_CLOSEDIR
210#endif
211
212/* Send signals to subprocesses by "typing" signal chars at them.  */
213#define SIGNALS_VIA_CHARACTERS
214
215/* This is to prevent memory clobbering on the DPX/2 200.  */
216#define LD_SWITCH_MACHINE -N -T32
217
218 /* end of dpx2.h */
219
220
221/* arch-tag: 8cfdf817-aec7-4d99-a00d-0e77615e8e1b
222   (do not change this comment) */
223