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eb8c3be9 | 1 | /* machine description file for National Semiconductor 32000, running Genix. |
d8f6d720 | 2 | Copyright (C) 1985, 1986, 2002 Free Software Foundation, Inc. |
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3 | |
4 | This file is part of GNU Emacs. | |
5 | ||
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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. | |
10 | ||
20c428fd | 11 | GNU Emacs is distributed in the hope that it will be useful, |
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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. | |
15 | ||
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 | |
3b7ad313 EN |
18 | the Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
19 | Boston, MA 02111-1307, USA. */ | |
4a6fd0de | 20 | |
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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" */ | |
26 | ||
74d3f806 KH |
27 | /* Define WORDS_BIG_ENDIAN iff lowest-numbered byte in a word |
28 | is the most significant byte. */ | |
29 | ||
30 | #undef 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 | ||
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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) (int) (((double) (x)) * 100.0 / FSCALE) */ | |
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 text space precedes data space, | |
79 | numerically. */ | |
80 | ||
81 | /* #define VIRT_ADDR_VARIES */ | |
82 | ||
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83 | /* Define NO_REMAP if memory segmentation makes it not work well |
84 | to change the boundary between the text section and data section | |
85 | when Emacs is dumped. If you define this, the preloaded Lisp | |
86 | code will not be sharable; but that's better than failing completely. */ | |
87 | ||
88 | /* #define NO_REMAP */ | |
89 | ||
90 | #define TEXT_START 0 | |
91 | ||
61e63089 | 92 | #if !defined (__NetBSD__) && !defined (__OpenBSD__) |
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93 | #define EXEC_MAGIC 0410 |
94 | ||
95 | #define PURESIZE 140000 | |
96 | ||
97 | #define START_FILES pre-crt0.o /lib/crt0.o | |
d2d1c35d | 98 | #endif |