1 /* machine description file for National Semiconductor 32000, running Genix.
2 Copyright (C) 1985, 1986 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="usg5-2" */
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) (int) (((double) (x)) * 100.0 / FSCALE) */
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 C_ALLOCA if this machine does not support a true alloca
47 and the one written in C should be used instead.
48 Define HAVE_ALLOCA to say that the system provides a properly
49 working alloca function and it should be used.
50 Define neither one if an assembler-language alloca
51 in the file alloca.s should be used. */
53 /* #define C_ALLOCA */
58 /* Define NO_REMAP if memory segmentation makes it not work well
59 to change the boundary between the text section and data section
60 when Emacs is dumped. If you define this, the preloaded Lisp
61 code will not be sharable; but that's better than failing completely. */
63 /* #define NO_REMAP */
67 #define STACK_DIRECTION -1
70 #define EXEC_MAGIC 0410
72 #define SYSTEM_PURESIZE_EXTRA 20000
74 #define START_FILES "pre-crt0.o /lib/crt0.o"