1/* machine description file for Cydrome's CYDRA 5 mini super computer
2   Copyright (C) 1988, 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
23/* The following line tells the configuration script what sort of
24   operating system this machine is likely to run.
25   USUAL-OPSYS="usg5-3"  */
26
27/* Define WORDS_BIG_ENDIAN iff lowest-numbered byte in a word
28   is the most significant byte.  */
29
30#define WORDS_BIG_ENDIAN
31
32/* Define NO_ARG_ARRAY if you cannot take the address of the first of a
33 * group of arguments and treat it as an array of the arguments.  */
34
35#undef NO_ARG_ARRAY
36
37/* Define WORD_MACHINE if addresses and such have
38 * to be corrected before they can be used as byte counts.  */
39
40#undef WORD_MACHINE
41
42/* Now define a symbol for the cpu type, if your compiler
43   does not define it automatically:
44   Ones defined so far include vax, m68000, ns16000, pyramid,
45   orion, tahoe, APOLLO and many others */
46
47/* Use type int rather than a union, to represent Lisp_Object */
48/* This is desirable for most machines.  */
49
50#define NO_UNION_TYPE
51
52/* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend
53   the 24-bit bit field into an int.  In other words, if bit fields
54   are always unsigned.
55
56   If you use NO_UNION_TYPE, this flag does not matter.  */
57
58#define EXPLICIT_SIGN_EXTEND
59
60/* Data type of load average, as read out of kmem.  */
61
62#define LOAD_AVE_TYPE long
63
64/* Convert that into an integer that is 100 for a load average of 1.0  */
65
66#define LOAD_AVE_CVT(x) x
67
68/* Define CANNOT_DUMP on machines where unexec does not work.
69   Then the function dump-emacs will not be defined
70   and temacs will do (load "loadup") automatically unless told otherwise.  */
71
72/*#define CANNOT_DUMP*/
73
74/* Define VIRT_ADDR_VARIES if the virtual addresses of
75   pure and impure space as loaded can vary, and even their
76   relative order cannot be relied on.
77
78   Otherwise Emacs assumes that data space precedes text space,
79   numerically.  */
80
81#undef VIRT_ADDR_VARIES
82
83/* The data segment in this machine always starts at address 0x10000000.
84   An address of data cannot be stored correctly in a Lisp object;
85   we always lose the high bits.  We must tell XPNTR to add them back.  */
86
87#define DATA_SEG_BITS 0x20000000
88#define DATA_START    0x20000000
89
90/* Define NO_REMAP if memory segmentation makes it not work well
91   to change the boundary between the text section and data section
92   when Emacs is dumped.  If you define this, the preloaded Lisp
93   code will not be sharable; but that's better than failing completely.  */
94
95#define NO_REMAP
96#define BROKEN_FIONREAD /* We son't even have it */
97#define	LIBS_MACHINE	-lsocket -lnsl
98
99/* The data section in a coff file must be aligned in the file.  */
100#define	DATA_SECTION_ALIGNMENT	0xFFF
101
102/* Compiler won't allow switch (x) when x is an enum.  */
103#define	SWITCH_ENUM_BUG
104
105
106/* Explain how pty filenames work.  */
107
108#define PTY_ITERATION  for (i = 47; i >= 0; i--)
109#define PTY_NAME_SPRINTF  sprintf (ptyname, "/dev/pty%03x", i);
110#define PTY_TTY_NAME_SPRINTF  sprintf (ptyname, "/dev/ptm%03x", i);
111
112/* We can't do interrupt-driven input, so don't let user try.  */
113
114#define BROKEN_SIGIO
115
116/* arch-tag: ad70aae4-1f54-4e67-8677-6eeafb9bcbd9
117   (do not change this comment) */
118