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20c428fd JB |
1 | /* machine description file for WICAT machines. |
2 | Copyright (C) 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 | |
17385adc | 8 | the Free Software Foundation; either version 2, or (at your option) |
20c428fd 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. */ | |
20c428fd JB |
20 | |
21 | ||
22 | /* The following line tells the configuration script what sort of | |
23 | operating system this machine is likely to run. | |
24 | USUAL-OPSYS="usg5-2" */ | |
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 | vax, m68000, ns16000 are the ones defined so far. */ | |
44 | ||
45 | #ifndef m68000 | |
46 | #define m68000 | |
47 | #endif | |
48 | ||
49 | /* This flag is used only in alloca.s. */ | |
50 | #define WICAT | |
51 | ||
52 | /* Use type int rather than a union, to represent Lisp_Object */ | |
53 | ||
54 | #define NO_UNION_TYPE | |
55 | ||
56 | /* XINT must explicitly sign-extend */ | |
57 | ||
58 | #define EXPLICIT_SIGN_EXTEND | |
59 | ||
60 | /* Data type of load average, as read out of kmem. */ | |
61 | ||
62 | #undef LOAD_AVE_TYPE | |
63 | ||
64 | /* Convert that into an integer that is 100 for a load average of 1.0 */ | |
65 | ||
66 | #undef LOAD_AVE_CVT | |
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 | #undef 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 | #undef VIRT_ADDR_VARIES | |
82 | ||
83 | /* Define C_ALLOCA if this machine does not support a true alloca | |
84 | and the one written in C should be used instead. | |
85 | Define HAVE_ALLOCA to say that the system provides a properly | |
86 | working alloca function and it should be used. | |
87 | Define neither one if an assembler-language alloca | |
88 | in the file alloca.s should be used. */ | |
89 | ||
90 | /* For the Wicat C compiler version 4.2, this can be removed | |
91 | and the alloca in alloca.s used. */ | |
92 | #define C_ALLOCA | |
93 | #define STACK_DIRECTION -1 /* grows towards lower addresses on WICAT */ | |
94 | ||
95 | /* Define NO_REMAP if memory segmentation makes it not work well | |
96 | to change the boundary between the text section and data section | |
97 | when Emacs is dumped. If you define this, the preloaded Lisp | |
98 | code will not be sharable; but that's better than failing completely. */ | |
99 | ||
100 | #undef NO_REMAP | |
101 | ||
102 | /* For WICAT, define TAHOE_REGISTER_BUG if you have a pre-4.2 C compiler */ | |
103 | ||
104 | #define TAHOE_REGISTER_BUG | |
105 | ||
106 | /* pagesize definition */ | |
107 | ||
108 | #define EXEC_PAGESIZE 0x1000 | |
109 | ||
110 | /* Delete this for WICAT sys V releases before 2.0. */ | |
111 | ||
112 | #define LIB_STANDARD -lc-nofp | |
113 | ||
114 | /* Special magic number */ | |
115 | ||
116 | #define EXEC_MAGIC MC68ROMAGIC | |
117 | ||
118 | /* Special switches to give to ld. */ | |
119 | ||
120 | #define LD_SWITCH_MACHINE -e __start -N | |
121 | ||
122 | /* Sigh...cannot define this for WICAT cuz 0 length memcpy blows chunks */ | |
123 | ||
124 | #undef BSTRING | |
125 | ||
126 | #ifdef BSTRING | |
127 | #undef bcopy | |
128 | #undef bzero | |
129 | #undef bcmp | |
130 | ||
131 | #define bcopy(a,b,s) memcpy(b,a,s) | |
132 | #define bzero(a,s) memset(a,0,s) | |
133 | #define bcmp memcmp | |
134 | #endif | |
135 | ||
136 | /* | |
137 | * Define optimflags if you want to optimize. | |
138 | * - Set to null string for pre-4.2 C compiler | |
139 | * - Set to "-O -Wopt,-O-f" for 4.2 | |
140 | */ | |
141 | ||
142 | #define C_OPTIMIZE_SWITCH /* -O -Wopt,-O-f */ | |
143 | ||
144 | /* For WICAT version supporting PTYs and select (currently internal only) */ | |
145 | ||
146 | #ifdef HAVE_PTYS | |
147 | #undef FIRST_PTY_LETTER | |
148 | #define FIRST_PTY_LETTER 'q' | |
149 | #endif | |
150 | ||
151 | /* there is a select() in libcurses.a that causes a conflict so use termlib */ | |
152 | #ifdef HAVE_SELECT | |
153 | #undef TERMINFO | |
154 | #define LIBS_TERMCAP select.o -ltermlib | |
155 | #endif |