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comparison src/m/ustation.h @ 0:376386a54a3c r19-14

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Import from CVS: tag r19-14
author cvs
date Mon, 13 Aug 2007 08:45:50 +0200
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1 /* machine description file for U-station (Nihon Unisys, SS5E; Sumitomo Denkoh, U-Station E30).
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
8 the Free Software Foundation; either version 2, or (at your option)
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 XEmacs; see the file COPYING. If not, write to
18 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
19 Boston, MA 02111-1307, USA. */
20
21 /* Synched up with: FSF 19.31. */
22
23 /* The following line tells the configuration script what sort of
24 operating system this machine is likely to run.
25 USUAL-OPSYS="usg5-3" */
26
27 /* Define WORD_MACHINE if addresses and such have
28 * to be corrected before they can be used as byte counts. */
29
30 #undef WORD_MACHINE
31
32 /* Now define a symbol for the cpu type, if your compiler
33 does not define it automatically:
34 vax, m68000, ns16000, pyramid, orion, tahoe and APOLLO
35 are the ones defined so far. */
36 /* Masscomp predefines mc68000. */
37
38 #define m68000 mc68000
39
40 /* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend
41 the bit field into an int. In other words, if bit fields
42 are always unsigned.
43
44 If you use NO_UNION_TYPE, this flag does not matter. */
45
46 #undef EXPLICIT_SIGN_EXTEND
47
48 /* Data type of load average, as read out of kmem. */
49
50 #define LOAD_AVE_TYPE double
51
52 /* Convert that into an integer that is 100 for a load average of 1.0 */
53
54 #define LOAD_AVE_CVT(x) ((int) ((x) * 100.0))
55
56 /* Define CANNOT_DUMP on machines where unexec does not work.
57 Then the function dump-emacs will not be defined
58 and temacs will do (load "loadup") automatically unless told otherwise. */
59
60 #undef CANNOT_DUMP
61
62 /* Define VIRT_ADDR_VARIES if the virtual addresses of
63 pure and impure space as loaded can vary, and even their
64 relative order cannot be relied on.
65
66 Otherwise Emacs assumes that data space precedes text space,
67 numerically. */
68
69 #undef VIRT_ADDR_VARIES
70
71 /* Define C_ALLOCA if this machine does not support a true alloca
72 and the one written in C should be used instead.
73 Define HAVE_ALLOCA to say that the system provides a properly
74 working alloca function and it should be used.
75 Define neither one if an assembler-language alloca
76 in the file alloca.s should be used. */
77
78 /* On return from a subroutine, the 68020 compiler restores old contents of
79 register variables relative to sp, so alloca() screws up such routines.
80 The following definitions should work on all Masscomps. On the MC-5500
81 (a 68000) one can #undef C_ALLOCA and #define HAVE_ALLOCA. */
82
83 #define C_ALLOCA
84 #undef HAVE_ALLOCA
85
86 /* Define NO_REMAP if memory segmentation makes it not work well
87 to change the boundary between the text section and data section
88 when Emacs is dumped. If you define this, the preloaded Lisp
89 code will not be sharable; but that's better than failing completely. */
90
91 #undef NO_REMAP
92
93 /* Name of file the to look in
94 for the kernel symbol table (for load average) */
95
96 #define KERNEL_FILE "/unix"
97
98 /* This triggers some stuff to avoid a compiler bug */
99
100 #define MASSC_REGISTER_BUG
101
102 /* Prevent -lg from being used for debugging. Not implemented? */
103
104 #define LIBS_DEBUG
105
106 /* -lnet is not standard library */
107
108 #undef LIBS_SYSTEM
109
110 /* Compiler's bug */
111
112 #define SWITCH_ENUM_BUG
113
114 /* Termcap is available */
115
116 #define LIBS_TERMCAP -ltermcap
117
118 #define EXEC_PAGESIZE 1024
119 #define SYSTEM_PURESIZE_EXTRA 10000
120
121
122 #undef SIGTSTP
123 #undef HAVE_TIMEVAL