1/* machine description file for ns16000.
2   Copyright (C) 1985, 2001, 2002, 2003, 2004, 2005,
3                 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
23/* The following line tells the configuration script what sort of
24   operating system this machine is likely to run.
25   USUAL-OPSYS="note"
26
27NOTE-START
28For the Encore, use `-opsystem=umax'.
29For a Tektronix 16000 box (a 6130, perhaps?), use `-opsystem=bsd4-2'.
30Use `-machine=ns16000' for both.
31NOTE-END  */
32
33/* Define WORDS_BIG_ENDIAN iff lowest-numbered byte in a word
34   is the most significant byte.  */
35
36#undef WORDS_BIG_ENDIAN
37
38/* Say this machine is a 16000 */
39
40#define ns16000 1
41
42/* Use type int rather than a union, to represent Lisp_Object */
43
44#define NO_UNION_TYPE
45
46/* Data type of load average, as read out of kmem.  */
47
48#ifndef USG
49#define LOAD_AVE_TYPE double
50#endif
51
52/* Convert that into an integer that is 100 for a load average of 1.0  */
53
54#ifndef USG
55#define LOAD_AVE_CVT(x) ((int) ((x) * 100.0))
56#endif
57
58#ifdef USG
59
60/* Control assembler syntax used in alloca.s.  */
61#define NS5
62
63/* On early NS systems ulimit was buggy. If set emacs uses this value
64 * for the maximum sbrk value instead of getting it from ulimit.
65 */
66#define ULIMIT_BREAK_VALUE 0x7E0000
67
68/* Early NS compilers have this bug. I believe it has been fixed in later
69 * releases.
70 */
71#define SHORT_CAST_BUG
72
73#define SEGMENT_MASK (NBPS - 1)
74
75/* Variables to get crt0.c to come out correctly */
76#define CRT0_DUMMIES bogus_fp,
77#define DOT_GLOBAL_START
78
79/* Control how emacsclient communicates.  */
80#define HAVE_SYSVIPC
81
82/* Set this to /bin/mail unless you have a better mail posting program */
83#define MAIL_PROGRAM_NAME "/usr/local/bin/remail"
84
85/* Tell sysdep.c not to define bzero, etc.  */
86#undef BSTRING
87#define BSTRING
88
89/* This avoids problems with uninitialized static variables going in .data.  */
90#define static
91
92#endif /* USG */
93
94/* arch-tag: 4210db3c-e35c-4b96-9399-1dbde3e00a57
95   (do not change this comment) */
96