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4915b8d6 JB |
1 | /* Machine description file for Motorola System V/88 machines |
2 | Copyright (C) 1985 Free Software Foundation, Inc. | |
3 | ||
4 | This file is part of GNU Emacs. | |
5 | ||
4a6fd0de JB |
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 | ||
4915b8d6 | 11 | GNU Emacs is distributed in the hope that it will be useful, |
4a6fd0de JB |
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. */ | |
4915b8d6 | 20 | |
4915b8d6 JB |
21 | |
22 | /* The following line tells the configuration script what sort of | |
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 | ||
4915b8d6 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 | #define 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 | /* #define WORD_MACHINE */ | |
40 | ||
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 | #ifndef m88000 /* Some 88k C compilers already define this */ | |
47 | #define m88000 | |
48 | #endif | |
49 | ||
4915b8d6 JB |
50 | /* Now define a symbol for the cpu type, if your compiler |
51 | does not define it automatically. */ | |
52 | ||
53 | ||
54 | /* Use type int rather than a union, to represent Lisp_Object */ | |
55 | /* This is desirable for most machines. */ | |
56 | ||
57 | #define NO_UNION_TYPE | |
58 | ||
59 | /* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend | |
60 | the 24-bit bit field into an int. In other words, if bit fields | |
61 | are always unsigned. | |
62 | ||
63 | If you use NO_UNION_TYPE, this flag does not matter. */ | |
64 | ||
65 | /* #define EXPLICIT_SIGN_EXTEND */ | |
66 | ||
67 | /* Data type of load average, as read out of kmem. */ | |
68 | /* No load average on Motorola machines. */ | |
69 | /* #define LOAD_AVE_TYPE double */ | |
70 | ||
71 | /* Convert that into an integer that is 100 for a load average of 1.0 */ | |
72 | /* #define LOAD_AVE_CVT(x) ((int) ((x) * 100.0)) */ | |
73 | ||
74 | /* Define CANNOT_DUMP on machines where unexec does not work. | |
75 | Then the function dump-emacs will not be defined | |
76 | and temacs will do (load "loadup") automatically unless told otherwise. */ | |
77 | ||
78 | /* #define CANNOT_DUMP */ | |
79 | ||
80 | /* Define VIRT_ADDR_VARIES if the virtual addresses of | |
81 | pure and impure space as loaded can vary, and even their | |
82 | relative order cannot be relied on. | |
83 | ||
84 | Otherwise Emacs assumes that text space precedes data space, | |
85 | numerically. */ | |
86 | ||
87 | /* #define VIRT_ADDR_VARIES */ | |
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 | ||
96 | /* Define C_ALLOCA if this machine does not support a true alloca | |
97 | and the one written in C should be used instead. | |
98 | Define HAVE_ALLOCA to say that the system provides a properly | |
99 | working alloca function and it should be used. | |
100 | Define neither one if an assembler-language alloca | |
101 | in the file alloca.s should be used. */ | |
102 | ||
103 | /* BEM: Distributed asm alloca doesn't work. Don't know about libPW.a. | |
104 | C ALLOCA is safe and fast enough for now. */ | |
105 | ||
dda2270a RS |
106 | #ifdef __GNUC__ |
107 | #define HAVE_ALLOCA /* ... and be sure that no other ones are tried out. */ | |
108 | #undef C_ALLOCA | |
109 | #else /* not __GNUC__ */ | |
110 | #undef HAVE_ALLOCA | |
111 | #define C_ALLOCA /* Use the alloca() supplied in alloca.c. */ | |
112 | #define STACK_DIRECTION -1 /* The stack grows towards lower addresses. */ | |
113 | #endif /* __GNUC__ */ | |
4915b8d6 JB |
114 | |
115 | /* Motorola SysV has PTYs. Not all usg3-5 systems do, so this is defined | |
116 | here. */ | |
117 | ||
118 | #define HAVE_PTYS | |
119 | #define SYSV_PTYS | |
120 | ||
121 | /* Ditto for IPC. */ | |
122 | ||
123 | ||
124 | /* | |
125 | * we now have job control in R32V1 | |
126 | */ | |
127 | #undef NOMULTIPLEJOBS | |
128 | ||
129 | /* | |
130 | * we have bcopy, bzero, bcmp in libc.a (what isn't in libc.a?) | |
131 | */ | |
132 | #define BSTRING | |
133 | ||
134 | /* | |
135 | * sockets are in R32V1 | |
136 | */ | |
137 | #define HAVE_SOCKETS | |
138 | ||
139 | /* | |
140 | * we have the wrong name for networking libs | |
141 | */ | |
d125ae6d | 142 | #ifdef USG5_4 |
24a5451a RS |
143 | /* rms: not needed; LIB_X11_LIB deals with this. */ |
144 | /* #define LIBX11_SYSTEM -lX11 */ | |
d125ae6d | 145 | #else |
dda2270a | 146 | #undef LIB_X11_LIB /* We don't have the shared libs as assumed in usg5-3.h. */ |
24a5451a | 147 | #undef LIBX11_SYSTEM |
4915b8d6 | 148 | #define LIBX11_SYSTEM -lnsl -lbsd |
d125ae6d | 149 | #endif /* USG5_4 */ |
4915b8d6 | 150 | |
4915b8d6 JB |
151 | #define BROKEN_FIONREAD |
152 | ||
bbe6a8e9 JB |
153 | /* previously defined in usg5-4, if we choose to use that. */ |
154 | #ifndef LIBS_SYSTEM | |
d125ae6d RS |
155 | #ifdef USG5_4 |
156 | #define LIBS_SYSTEM -lsocket -lnsl | |
157 | #else | |
4915b8d6 | 158 | #define LIBS_SYSTEM -lbsd -lg |
d125ae6d | 159 | #endif /* USG5_4 */ |
bbe6a8e9 | 160 | #endif |
4915b8d6 | 161 | |
dda2270a RS |
162 | #define HAVE_TERMIOS |
163 | #undef HAVE_TERMIO | |
164 | #define NO_TERMIO | |
165 | #undef sigsetmask | |
4915b8d6 JB |
166 | |
167 | #define NO_SIOCTL_H | |
d125ae6d RS |
168 | |
169 | #ifdef USG5_4 | |
170 | #ifdef HAVE_X_WINDOWS | |
d125ae6d RS |
171 | #else |
172 | #undef BSTRING | |
173 | #endif /* HAVE_X_WINDOWS */ | |
174 | #endif /* USG5_4 */ | |
418b4f05 RS |
175 | |
176 | #define NO_PTY_H | |
dda2270a RS |
177 | |
178 | #define USE_GETOBAUD |