|
428
|
1 /* Machine-dependent configuration for GNU Emacs for AT&T 3b machines.
|
|
|
2 Copyright (C) 1986 Free Software Foundation, Inc.
|
|
|
3
|
|
|
4 Modified by David Robinson (daver@csvax.caltech.edu) 6/6/86
|
|
|
5
|
|
|
6 This file is part of GNU Emacs.
|
|
|
7
|
|
|
8 GNU Emacs is free software; you can redistribute it and/or modify
|
|
|
9 it under the terms of the GNU General Public License as published by
|
|
|
10 the Free Software Foundation; either version 2, or (at your option)
|
|
|
11 any later version.
|
|
|
12
|
|
|
13 GNU Emacs is distributed in the hope that it will be useful,
|
|
|
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
|
16 GNU General Public License for more details.
|
|
|
17
|
|
|
18 You should have received a copy of the GNU General Public License
|
|
|
19 along with XEmacs; see the file COPYING. If not, write to
|
|
|
20 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
|
21 Boston, MA 02111-1307, USA. */
|
|
|
22
|
|
|
23 /* Synched up with: FSF 19.31. */
|
|
|
24
|
|
|
25 /* The following line tells the configuration script what sort of
|
|
|
26 operating system this machine is likely to run.
|
|
|
27 USUAL-OPSYS="usg5-2-2" */
|
|
|
28
|
|
|
29 /* Now define a symbol for the cpu type, if your compiler
|
|
|
30 does not define it automatically */
|
|
|
31 #define ATT3B
|
|
|
32
|
|
|
33 /* Data type of load average, as read out of kmem. */
|
|
|
34 /* #define LOAD_AVE_TYPE long */
|
|
|
35
|
|
|
36 /* Convert that into an integer that is 100 for a load average of 1.0 */
|
|
|
37
|
|
|
38 /* #define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / FSCALE) */
|
|
|
39
|
|
|
40 /* Define CANNOT_DUMP on machines where unexec does not work.
|
|
|
41 Then the function dump-emacs will not be defined
|
|
|
42 and temacs will do (load "loadup") automatically unless told otherwise. */
|
|
|
43 /* #define CANNOT_DUMP */
|
|
|
44
|
|
|
45 /* Define C_ALLOCA if this machine does not support a true alloca
|
|
|
46 and the one written in C should be used instead.
|
|
|
47 Define HAVE_ALLOCA to say that the system provides a properly
|
|
|
48 working alloca function and it should be used.
|
|
|
49 Define neither one if an assembler-language alloca
|
|
|
50 in the file alloca.s should be used. */
|
|
|
51
|
|
|
52 /* SysV has alloca in the PW library */
|
|
|
53
|
|
|
54 #define LIB_STANDARD "-lPW -lc"
|
|
|
55 #define HAVE_ALLOCA
|
|
|
56
|
|
|
57 /* Define NO_REMAP if memory segmentation makes it not work well
|
|
|
58 to change the boundary between the text section and data section
|
|
|
59 when Emacs is dumped. If you define this, the preloaded Lisp
|
|
|
60 code will not be sharable; but that's better than failing completely. */
|
|
|
61
|
|
|
62 #define NO_REMAP
|
|
|
63
|
|
|
64 /* #define LD_SWITCH_MACHINE -N */
|
|
|
65
|
|
|
66 /* Use Terminfo, not Termcap. */
|
|
|
67
|
|
|
68 #define TERMINFO
|
|
|
69
|
|
|
70 /* -O has been observed to make correct C code in Emacs not work.
|
|
|
71 So don't try to use it. */
|
|
|
72
|
|
|
73 #if u3b2 || u3b5 || u3b15
|
|
|
74 #define C_OPTIMIZE_SWITCH
|
|
|
75 #endif
|
|
|
76
|
|
|
77 /* Define our page size. */
|
|
|
78
|
|
|
79 #define NBPC 2048
|
|
|
80
|
|
|
81 /* The usual definition of XINT, which involves shifting, does not
|
|
|
82 sign-extend properly on this machine. */
|
|
|
83
|
|
|
84 #define XREALINT(i) (((sign_extend_temp=(i)) & 0x00800000) \
|
|
|
85 ? (sign_extend_temp | 0xFF000000) \
|
|
|
86 : (sign_extend_temp & 0x00FFFFFF))
|
|
|
87
|
|
|
88 #ifdef emacs /* Don't do this when making xmakefile! */
|
|
|
89 extern int sign_extend_temp;
|
|
|
90 #endif
|
|
|
91
|
|
|
92 #if u3b2 || u3b5 || u3b15
|
|
|
93
|
|
|
94 /* On 3b2/5/15, data space has high order bit on. */
|
|
|
95 #define VALBITS 27
|
|
|
96 #define VALMASK (((1<<VALBITS) - 1) | (1 << 31))
|
|
|
97 /* XEmacs: markbit is between type bits and value bits */
|
|
|
98 /* #define XTYPE(a) ((enum Lisp_Type) (((a) >> VALBITS) & GCTYPEMASK)) */
|
|
|
99 #define XTYPE(a) ((enum Lisp_Type) (((a) >> ((VALBITS) + 1)) & GCTYPEMASK))
|
|
|
100
|
|
|
101 #endif /* 3b2, 3b5 or 3b15 */
|
|
|
102
|
|
|
103 #define TEXT_START 0
|
|
|
104
|
|
|
105
|
|
|
106 /* For alloca.c (not actually used, since HAVE_ALLOCA) */
|
|
|
107 #define STACK_DIRECTION 1
|
|
|
108
|
|
|
109 /* (short) negative-int doesn't sign-extend correctly */
|
|
|
110 #define SHORT_CAST_BUG
|
|
|
111
|
|
|
112 /* 3B2s with WIN/3B have winsize defined in ptem.h */
|
|
|
113 #if u3b2
|
|
|
114 #define NEED_PTEM_H
|
|
|
115 #endif /* u3b2 */
|
|
|
116
|
|
|
117 /* 3b2 does not have memmove, I'm told. */
|
|
|
118 /* It is safe to have no parens around the args in the safe_bcopy call,
|
|
|
119 and parens would screw up the prototype decl for memmove. */
|
|
|
120 #define memmove(d, s, n) safe_bcopy (s, d, n)
|
|
|
121
|
|
|
122 /* This affects filemode.c. */
|
|
|
123 #define NO_MODE_T
|
