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20c428fd | 1 | /* machine description file for the NCR Tower 32 running System V.2. |
429ab54e GM |
2 | Copyright (C) 1986, 2001, 2002, 2003, 2004, 2005, |
3 | 2006, 2007 Free Software Foundation, Inc. | |
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4 | |
5 | This file is part of GNU Emacs. | |
6 | ||
7 | GNU Emacs is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
4a9f99bd | 9 | the Free Software Foundation; either version 3, or (at your option) |
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10 | any later version. |
11 | ||
12 | GNU Emacs is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with GNU Emacs; see the file COPYING. If not, write to | |
364c38d3 LK |
19 | the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
20 | Boston, MA 02110-1301, USA. */ | |
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21 | |
22 | ||
177c0ea7 | 23 | /* The following line tells the configuration script what sort of |
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24 | operating system this machine is likely to run. |
25 | USUAL-OPSYS="usg5-2-2" */ | |
26 | ||
74d3f806 KH |
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 | ||
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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 | /* #define 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 | /* #define WORD_MACHINE */ | |
41 | ||
20c428fd JB |
42 | /* Now define a symbol for the cpu type, if your compiler |
43 | does not define it automatically: | |
44 | vax, m68000, ns16000, pyramid, orion, tahoe and APOLLO | |
45 | are the ones defined so far. */ | |
46 | #define m68000 | |
47 | ||
48 | /* Use type int rather than a union, to represent Lisp_Object */ | |
49 | /* This is desirable for most machines. */ | |
50 | ||
51 | #define NO_UNION_TYPE | |
52 | ||
53 | /* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend | |
54 | the 24-bit bit field into an int. In other words, if bit fields | |
55 | are always unsigned. | |
56 | ||
57 | If you use NO_UNION_TYPE, this flag does not matter. */ | |
58 | ||
59 | #define EXPLICIT_SIGN_EXTEND | |
60 | ||
61 | /* Data type of load average, as read out of kmem. */ | |
62 | ||
63 | /* #define LOAD_AVE_TYPE long */ | |
64 | ||
65 | /* Convert that into an integer that is 100 for a load average of 1.0 */ | |
66 | ||
67 | /* #define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / FSCALE) */ | |
68 | ||
69 | /* Define CANNOT_DUMP on machines where unexec does not work. | |
70 | Then the function dump-emacs will not be defined | |
71 | and temacs will do (load "loadup") automatically unless told otherwise. */ | |
72 | ||
73 | /* #define CANNOT_DUMP */ | |
74 | ||
75 | /* Define VIRT_ADDR_VARIES if the virtual addresses of | |
76 | pure and impure space as loaded can vary, and even their | |
77 | relative order cannot be relied on. | |
78 | ||
79 | Otherwise Emacs assumes that text space precedes data space, | |
80 | numerically. */ | |
81 | ||
82 | /* #define VIRT_ADDR_VARIES */ | |
83 | ||
20c428fd JB |
84 | /* Change some things to avoid bugs in compiler */ |
85 | ||
86 | #define SWITCH_ENUM_BUG 1 | |
87 | ||
88 | /* The standard C library is -lcieee, not -lc. | |
89 | Also use the PW library, which contains alloca. */ | |
90 | ||
91 | #define LIB_STANDARD -lPW -lcieee | |
92 | ||
93 | /* crt0.c should use the vax-bsd style of entry. Beware that if you have | |
94 | OS release 2.00.00 or later, *and* change src/ymakefile so that CFLAGS | |
95 | includes C_OPTIMIZE_SWITCH rather than C_DEBUG_SWITCH, you need to | |
96 | uncomment CRT0_DUMMIES and C_OPTIMIZE_SWITCH below. */ | |
97 | ||
98 | /* With the optimizer OFF */ | |
99 | ||
100 | #define CRT0_DUMMIES zero, bogus_fp, | |
101 | ||
102 | /* With the optimizer ON */ | |
103 | ||
104 | /* #define CRT0_DUMMIES */ | |
105 | /* #define C_OPTIMIZE_SWITCH -O2 */ | |
106 | ||
107 | /* emacs's magic number isn't temacs's; | |
8e6208c5 | 108 | temacs is writable text (the default!). */ |
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109 | |
110 | #include <asld.h> | |
111 | #define EXEC_MAGIC AOUT1MAGIC | |
112 | #define EXEC_PAGESIZE DATACLICK | |
ab5796a9 MB |
113 | |
114 | /* arch-tag: a08e7dea-d48e-44cc-b60d-c7f2e5187ff5 | |
115 | (do not change this comment) */ |