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bb5fa232 JB |
1 | /* machine description for Bull DPX/2 range |
2 | Copyright (C) 1985, 1986 Free Software Foundation, Inc. | |
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 | |
dc88ce1a | 8 | the Free Software Foundation; either version 2, or (at your option) |
bb5fa232 JB |
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. */ | |
bb5fa232 JB |
20 | |
21 | /* The following line tells the configuration script what sort of | |
22 | operating system this machine is likely to run. | |
23 | USUAL-OPSYS="usg5-3" */ | |
24 | ||
25 | /* | |
26 | * You need to either un-comment one of these lines, or copy one | |
27 | * of them to config.h before you include this file. | |
28 | * Note that some simply define a constant and others set a value. | |
29 | */ | |
30 | ||
31 | /* #define ncl_el /* DPX/2 210,220 etc */ | |
32 | /* #define ncl_mr 1 /* DPX/2 320,340 (and 360,380 ?) */ | |
33 | ||
74d3f806 KH |
34 | /* Define WORDS_BIG_ENDIAN iff lowest-numbered byte in a word |
35 | is the most significant byte. */ | |
36 | ||
37 | #define WORDS_BIG_ENDIAN | |
38 | ||
bb5fa232 JB |
39 | /* Define NO_ARG_ARRAY if you cannot take the address of the first of a |
40 | * group of arguments and treat it as an array of the arguments. */ | |
41 | ||
42 | #define NO_ARG_ARRAY | |
43 | ||
44 | /* Define WORD_MACHINE if addresses and such have | |
45 | * to be corrected before they can be used as byte counts. */ | |
46 | ||
47 | /* #define WORD_MACHINE /**/ | |
48 | ||
49 | /* Now define a symbol for the cpu type, if your compiler | |
50 | does not define it automatically: | |
51 | Ones defined so far include vax, m68000, ns16000, pyramid, | |
52 | orion, tahoe, APOLLO and many others */ | |
53 | ||
54 | /* /bin/cc on ncl_el and ncl_mr define m68k and mc68000 */ | |
55 | ||
56 | /* Use type int rather than a union, to represent Lisp_Object */ | |
57 | /* This is desirable for most machines. */ | |
58 | ||
59 | #define NO_UNION_TYPE | |
60 | ||
61 | /* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend | |
62 | the 24-bit bit field into an int. In other words, if bit fields | |
63 | are always unsigned. | |
64 | ||
65 | If you use NO_UNION_TYPE, this flag does not matter. */ | |
66 | ||
67 | #define EXPLICIT_SIGN_EXTEND | |
68 | ||
69 | /* Data type of load average, as read out of kmem. */ | |
70 | ||
71 | #define LOAD_AVE_TYPE long | |
72 | ||
73 | /* Convert that into an integer that is 100 for a load average of 1.0 */ | |
74 | ||
75 | #define FSCALE 1000.0 | |
76 | #define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / FSCALE) | |
77 | ||
78 | /* Define CANNOT_DUMP on machines where unexec does not work. | |
79 | Then the function dump-emacs will not be defined | |
80 | and temacs will do (load "loadup") automatically unless told otherwise. */ | |
81 | ||
82 | /*#define CANNOT_DUMP /**/ | |
83 | ||
84 | /* Define VIRT_ADDR_VARIES if the virtual addresses of | |
85 | pure and impure space as loaded can vary, and even their | |
86 | relative order cannot be relied on. | |
87 | ||
88 | Otherwise Emacs assumes that text space precedes data space, | |
89 | numerically. */ | |
90 | ||
91 | /* #define VIRT_ADDR_VARIES /**/ | |
92 | ||
93 | /* Define C_ALLOCA if this machine does not support a true alloca | |
94 | and the one written in C should be used instead. | |
95 | Define HAVE_ALLOCA to say that the system provides a properly | |
96 | working alloca function and it should be used. | |
97 | Define neither one if an assembler-language alloca | |
98 | in the file alloca.s should be used. */ | |
99 | ||
100 | #define C_ALLOCA | |
101 | /* #define HAVE_ALLOCA /**/ | |
102 | ||
103 | /* Define NO_REMAP if memory segmentation makes it not work well | |
104 | to change the boundary between the text section and data section | |
105 | when Emacs is dumped. If you define this, the preloaded Lisp | |
106 | code will not be sharable; but that's better than failing completely. */ | |
107 | ||
108 | #define NO_REMAP | |
109 | ||
110 | /* | |
111 | * end of the standard macro's | |
112 | */ | |
113 | ||
114 | /* | |
115 | * a neat identifier to handle source mods (if needed) | |
116 | */ | |
117 | #ifndef DPX2 | |
118 | #define DPX2 | |
119 | #endif | |
120 | ||
121 | /* Disable support for shared libraries in unexec. */ | |
122 | ||
123 | #undef USG_SHARED_LIBRARIES | |
124 | ||
125 | /* | |
126 | * if we use X11, libX11.a has these... | |
127 | */ | |
bb5fa232 JB |
128 | # undef LIB_X11_LIB |
129 | # define LIB_X11_LIB -lX11 | |
130 | # undef LIBX11_SYSTEM | |
131 | # define LIBX11_SYSTEM -lmalloc -lnsl | |
132 | # define BSTRING | |
133 | # define HAVE_GETWD | |
134 | ||
135 | /* | |
136 | * we must have INET loaded so we have sockets | |
137 | */ | |
138 | # define HAVE_SOCKETS | |
bb5fa232 JB |
139 | |
140 | /* | |
141 | * useful if you have INET loaded | |
142 | */ | |
bb5fa232 | 143 | # define LIBS_MACHINE -linet |
bb5fa232 JB |
144 | |
145 | ||
146 | #if (defined(ncl_mr) || defined(ncl_el)) && !defined (NBPC) | |
147 | # define NBPC 4096 | |
148 | #endif | |
149 | ||
150 | /* | |
151 | * if SIGIO is defined, much of the emacs | |
152 | * code assumes we are BSD !! | |
153 | */ | |
154 | #ifdef SIGIO | |
155 | # undef SIGIO | |
156 | #endif | |
157 | ||
158 | ||
159 | /* | |
160 | * a good idea on multi-user systems :-) | |
161 | */ | |
162 | #define CLASH_DETECTION /* probably a good idea */ | |
163 | ||
164 | ||
165 | #ifdef SIGTSTP | |
166 | /* | |
167 | * sysdep.c(sys_suspend) works fine with emacs-18.58 | |
168 | * and BOS 02.00.45, if you have an earler version | |
169 | * of Emacs and/or BOS, or have problems, or just prefer | |
170 | * to start a sub-shell rather than suspend-emacs, | |
171 | * un-comment out the next line. | |
172 | */ | |
551dd6e3 | 173 | /* # undef SIGTSTP /* make suspend-emacs spawn a sub-shell */ |
bb5fa232 JB |
174 | # ifdef NOMULTIPLEJOBS |
175 | # undef NOMULTIPLEJOBS | |
176 | # endif | |
177 | #endif | |
178 | /* | |
179 | * no we don't want this at all | |
180 | */ | |
181 | #ifdef USG_JOBCTRL | |
182 | # undef USG_JOBCTRL | |
183 | #endif | |
184 | ||
185 | /* | |
186 | * but we have that | |
187 | */ | |
188 | #define GETPGRP_NO_ARG | |
189 | ||
bb5fa232 JB |
190 | /* select also needs this header file--but not in ymakefile. */ |
191 | #ifndef NOT_C_CODE | |
192 | #include <sys/types.h> | |
193 | #include <sys/select.h> | |
194 | #endif | |
195 | ||
196 | #define TEXT_START 0 | |
197 | ||
198 | /* | |
199 | * Define the direction of stack growth. | |
200 | */ | |
201 | ||
202 | #define STACK_DIRECTION -1 | |
203 | ||
204 | /* we have termios */ | |
205 | #undef HAVE_TERMIO | |
206 | #define HAVE_TERMIOS | |
551dd6e3 | 207 | #define HAVE_TCATTR |
bb5fa232 JB |
208 | |
209 | /* we also have this */ | |
210 | #define HAVE_PTYS | |
211 | #define SYSV_PTYS | |
212 | ||
213 | /* It doesn't seem we have sigpause */ | |
214 | #undef HAVE_SYSV_SIGPAUSE | |
215 | ||
3bda169e RS |
216 | #define POSIX_SIGNALS |
217 | ||
218 | /* We don't need the definition from usg5-3.h with POSIX_SIGNALS. */ | |
219 | #undef sigsetmask | |
220 | ||
bb5fa232 JB |
221 | |
222 | /* on bos2.00.45 there is a bug that makes the F_SETOWN fcntl() call | |
223 | enters in an infinite loop. Avoid calling it */ | |
224 | #define F_SETOWN_BUG | |
225 | ||
551dd6e3 RS |
226 | /* system closedir sometimes complains about wrong descriptor |
227 | for no apparent reasons. Use the provided closedir in sysdep.c instead */ | |
228 | #ifdef HAVE_CLOSEDIR | |
229 | #undef HAVE_CLOSEDIR | |
230 | #endif | |
231 | ||
232 | /* Send signals to subprocesses by "typing" signal chars at them. */ | |
233 | #define SIGNALS_VIA_CHARACTERS | |
234 | ||
7ee9eab9 RS |
235 | /* This is to prevent memory clobbering on the DPX/2 200. */ |
236 | #define LD_SWITCH_MACHINE -N -T32 | |
237 | ||
551dd6e3 | 238 | /* end of dpx2.h */ |
bb5fa232 JB |
239 | |
240 |