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[emacs.git] / src / m / dual.h
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1 /* machine description file for Dual machines using unisoft port.
2 Copyright (C) 1985 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)
9 any later version.
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 GNU Emacs; 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 /* The following line tells the configuration script what sort of
22 operating system this machine is likely to run.
23 USUAL-OPSYS="note"
25 NOTE-START
26 Dual running System V (-machine=dual -opsystem=usg5-2)
28 As of 17.46, this works except for a few changes
29 needed in unexec.c.
31 Dual running Uniplus (-machine=dual -opsystem=unipl5-2)
33 Works, as of 17.51.
34 NOTE-END */
37 /* Define WORDS_BIG_ENDIAN iff lowest-numbered byte in a word
38 is the most significant byte. */
40 #define WORDS_BIG_ENDIAN
42 /* XINT must explicitly sign-extend */
44 #define EXPLICIT_SIGN_EXTEND
46 /* Use type int rather than a union, to represent Lisp_Object */
48 #define NO_UNION_TYPE
50 /* Now define a symbol for the cpu type, if your compiler
51 does not define it automatically:
52 vax, m68000, ns16000 are the ones defined so far. */
54 #ifndef m68000
55 #define m68000
56 #endif
58 /* Data type of load average, as read out of kmem. */
59 /* These are commented out since it does not really work in uniplus */
61 /* #define LOAD_AVE_TYPE long */
63 /* Convert that into an integer that is 100 for a load average of 1.0 */
65 /* #define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0) */
67 /* Change some things to avoid bugs in compiler */
69 #define SWITCH_ENUM_BUG 1
71 /* arch-tag: 7208d63c-9a23-469e-a9b1-908ac912c743
72 (do not change this comment) */