1 /* machine description file for Cydrome's CYDRA 5 mini super computer
2 Copyright (C) 1988 Free Software Foundation, Inc.
4 This file is part of GNU Emacs.
6 GNU Emacs is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2, or (at your option)
11 GNU Emacs is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with XEmacs; see the file COPYING. If not, write to
18 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
19 Boston, MA 02111-1307, USA. */
21 /* Synched up with: FSF 19.31. */
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" */
27 /* Now define a symbol for the cpu type, if your compiler
28 does not define it automatically:
29 Ones defined so far include vax, m68000, ns16000, pyramid,
30 orion, tahoe, APOLLO and many others */
32 /* Data type of load average, as read out of kmem. */
34 #define LOAD_AVE_TYPE long
36 /* Convert that into an integer that is 100 for a load average of 1.0 */
38 #define LOAD_AVE_CVT(x) x
40 /* Define CANNOT_DUMP on machines where unexec does not work.
41 Then the function dump-emacs will not be defined
42 and temacs will do (load "loadup") automatically unless told otherwise. */
44 /*#define CANNOT_DUMP*/
46 /* Define VIRT_ADDR_VARIES if the virtual addresses of
47 pure and impure space as loaded can vary, and even their
48 relative order cannot be relied on.
50 Otherwise Emacs assumes that data space precedes text space,
53 #undef VIRT_ADDR_VARIES
55 /* Define C_ALLOCA if this machine does not support a true alloca
56 and the one written in C should be used instead.
57 Define HAVE_ALLOCA to say that the system provides a properly
58 working alloca function and it should be used.
59 Define neither one if an assembler-language alloca
60 in the file alloca.s should be used. */
65 #define DATA_START 0x20000000
67 /* Define NO_REMAP if memory segmentation makes it not work well
68 to change the boundary between the text section and data section
69 when Emacs is dumped. If you define this, the preloaded Lisp
70 code will not be sharable; but that's better than failing completely. */
73 #define LIBS_MACHINE "-lsocket -lnsl"
75 /* Stack grows downward in memory. */
76 #define STACK_DIRECTION -1
78 /* The data section in a coff file must be aligned in the file. */
79 #define DATA_SECTION_ALIGNMENT 0xFFF
81 /* Compiler won't allow switch (x) when x is an enum. */
82 #define SWITCH_ENUM_BUG
85 /* Explain how pty filenames work. */
87 #define PTY_ITERATION for (i = 47; i >= 0; i--)
88 #define PTY_NAME_SPRINTF sprintf (ptyname, "/dev/pty%03x", i);
89 #define PTY_TTY_NAME_SPRINTF sprintf (ptyname, "/dev/ptm%03x", i);
91 /* We can't do interrupt-driven input, so don't let user try. */