1/* machine description file for SEQUENT SYMMETRY machines
2   Copyright (C) 1985, 1986, 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/* CHANGE: [Eric H. Herrin II; eric@ms.uky.edu - 15 Sept 1988]
23 * Modified the sequent.h file for the Sequent Symmetry machine.
24 * Biggest change was to align the sections in the a.out to 4K
25 * boundaries (this is the page size).
26 */
27
28
29/* NOTICE: this file works for DYNIX release 3.0.12 on Sequent Symmetry
30 * (Intel 80386) machines.  Hasn't been tested on anything else.
31 */
32
33/* The following line tells the configuration script what sort of
34   operating system this machine is likely to run.
35   USUAL-OPSYS="bsd4-3"  */
36
37#include "intel386.h"
38
39/* Data type of load average, as read out of kmem.  */
40
41#define LOAD_AVE_TYPE unsigned long
42
43/* Convert that into an integer that is 100 for a load average of 1.0  */
44
45#define	FSCALE	1000.0
46#define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / FSCALE)
47
48/* Name of file the to look in
49   for the kernel symbol table (for load average) */
50
51#undef KERNEL_FILE
52#define KERNEL_FILE "/dynix"
53
54/* Avoids a compiler bug */
55
56#define TAHOE_REGISTER_BUG
57
58/* Say that the text segment of a.out includes the header;
59   the header actually occupies the first few bytes of the text segment
60   and is counted in hdr.a_text.  Furthermore, the value written
61   in the a_text in the file must have N_ADDRADJ added to it.  */
62
63#define A_TEXT_OFFSET(HDR) (sizeof (HDR) + N_ADDRADJ (HDR))
64
65/* This is the offset of the executable's text, from the start of the file.  */
66
67#define A_TEXT_SEEK(HDR) (N_TXTOFF (hdr) + sizeof (hdr))
68
69/* The file sections in the Symmetry a.out must be on 4K boundaries.
70 */
71#define SEGSIZ 4096
72#define SECTION_ALIGNMENT	(SEGSIZ-1)
73
74/* (short) negative-int doesn't sign-extend correctly */
75#define SHORT_CAST_BUG
76
77/* Cause compilations to be done in parallel in ymakefile.  */
78#define MAKE_PARALLEL &
79
80/* Define how to search all pty names.
81   This is for Dynix 3.0; delete next 5 definitions for older systems.  */
82
83#define PTY_MAJOR "pqrstuvwPQRSTUVW"
84#define PTY_MINOR "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
85#define PTY_ITERATION					\
86  register int ma, mi;					\
87  for (ma = 0; ma < sizeof(PTY_MAJOR) - 1; ma++)	\
88    for (mi = 0; mi < sizeof(PTY_MINOR) - 1; mi++)
89#define PTY_NAME_SPRINTF \
90  sprintf (pty_name, "/dev/pty%c%c", PTY_MAJOR[ma], PTY_MINOR[mi]);
91#define PTY_TTY_NAME_SPRINTF \
92  sprintf (pty_name, "/dev/tty%c%c", PTY_MAJOR[ma], PTY_MINOR[mi]);
93
94/* arch-tag: 4169a89e-3764-4147-98df-1ba3bdd45a5b
95   (do not change this comment) */
96