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20c428fd | 1 | /* machine description file for Cydrome's CYDRA 5 mini super computer |
d8f6d720 | 2 | Copyright (C) 1988, 1999, 2002 Free Software Foundation, Inc. |
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3 | |
4 | This file is part of GNU Emacs. | |
5 | ||
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 | |
17385adc | 8 | the Free Software Foundation; either version 2, or (at your option) |
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9 | any later version. |
10 | ||
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. | |
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. */ | |
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20 | |
21 | ||
177c0ea7 | 22 | /* The following line tells the configuration script what sort of |
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23 | operating system this machine is likely to run. |
24 | USUAL-OPSYS="usg5-3" */ | |
25 | ||
74d3f806 KH |
26 | /* Define WORDS_BIG_ENDIAN iff lowest-numbered byte in a word |
27 | is the most significant byte. */ | |
28 | ||
29 | #define WORDS_BIG_ENDIAN | |
30 | ||
20c428fd JB |
31 | /* Define NO_ARG_ARRAY if you cannot take the address of the first of a |
32 | * group of arguments and treat it as an array of the arguments. */ | |
33 | ||
34 | #undef NO_ARG_ARRAY | |
35 | ||
36 | /* Define WORD_MACHINE if addresses and such have | |
37 | * to be corrected before they can be used as byte counts. */ | |
38 | ||
39 | #undef WORD_MACHINE | |
40 | ||
20c428fd JB |
41 | /* Now define a symbol for the cpu type, if your compiler |
42 | does not define it automatically: | |
43 | Ones defined so far include vax, m68000, ns16000, pyramid, | |
44 | orion, tahoe, APOLLO and many others */ | |
45 | ||
46 | /* Use type int rather than a union, to represent Lisp_Object */ | |
47 | /* This is desirable for most machines. */ | |
48 | ||
49 | #define NO_UNION_TYPE | |
50 | ||
51 | /* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend | |
52 | the 24-bit bit field into an int. In other words, if bit fields | |
53 | are always unsigned. | |
54 | ||
55 | If you use NO_UNION_TYPE, this flag does not matter. */ | |
56 | ||
57 | #define EXPLICIT_SIGN_EXTEND | |
58 | ||
59 | /* Data type of load average, as read out of kmem. */ | |
60 | ||
61 | #define LOAD_AVE_TYPE long | |
62 | ||
63 | /* Convert that into an integer that is 100 for a load average of 1.0 */ | |
64 | ||
65 | #define LOAD_AVE_CVT(x) x | |
66 | ||
67 | /* Define CANNOT_DUMP on machines where unexec does not work. | |
68 | Then the function dump-emacs will not be defined | |
69 | and temacs will do (load "loadup") automatically unless told otherwise. */ | |
70 | ||
71 | /*#define CANNOT_DUMP*/ | |
72 | ||
73 | /* Define VIRT_ADDR_VARIES if the virtual addresses of | |
74 | pure and impure space as loaded can vary, and even their | |
75 | relative order cannot be relied on. | |
76 | ||
77 | Otherwise Emacs assumes that data space precedes text space, | |
78 | numerically. */ | |
79 | ||
80 | #undef VIRT_ADDR_VARIES | |
81 | ||
20c428fd JB |
82 | /* The data segment in this machine always starts at address 0x10000000. |
83 | An address of data cannot be stored correctly in a Lisp object; | |
84 | we always lose the high bits. We must tell XPNTR to add them back. */ | |
85 | ||
86 | #define DATA_SEG_BITS 0x20000000 | |
87 | #define DATA_START 0x20000000 | |
88 | ||
89 | /* Define NO_REMAP if memory segmentation makes it not work well | |
90 | to change the boundary between the text section and data section | |
91 | when Emacs is dumped. If you define this, the preloaded Lisp | |
92 | code will not be sharable; but that's better than failing completely. */ | |
93 | ||
94 | #define NO_REMAP | |
95 | #define BROKEN_FIONREAD /* We son't even have it */ | |
96 | #define LIBS_MACHINE -lsocket -lnsl | |
97 | ||
20c428fd JB |
98 | /* The data section in a coff file must be aligned in the file. */ |
99 | #define DATA_SECTION_ALIGNMENT 0xFFF | |
100 | ||
101 | /* Compiler won't allow switch (x) when x is an enum. */ | |
102 | #define SWITCH_ENUM_BUG | |
103 | ||
104 | ||
105 | /* Explain how pty filenames work. */ | |
106 | ||
107 | #define PTY_ITERATION for (i = 47; i >= 0; i--) | |
108 | #define PTY_NAME_SPRINTF sprintf (ptyname, "/dev/pty%03x", i); | |
109 | #define PTY_TTY_NAME_SPRINTF sprintf (ptyname, "/dev/ptm%03x", i); | |
110 | ||
111 | /* We can't do interrupt-driven input, so don't let user try. */ | |
112 | ||
332d98c7 | 113 | #define BROKEN_SIGIO |