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comparison src/m/cydra5.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 Cydrome's CYDRA 5 mini super computer
2 Copyright (C) 1988 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 Ones defined so far include vax, m68000, ns16000, pyramid,
35 orion, tahoe, APOLLO and many others */
36
37 /* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend
38 the bit field into an int. In other words, if bit fields
39 are always unsigned.
40
41 If you use NO_UNION_TYPE, this flag does not matter. */
42
43 #define EXPLICIT_SIGN_EXTEND
44
45 /* Data type of load average, as read out of kmem. */
46
47 #define LOAD_AVE_TYPE long
48
49 /* Convert that into an integer that is 100 for a load average of 1.0 */
50
51 #define LOAD_AVE_CVT(x) x
52
53 /* Define CANNOT_DUMP on machines where unexec does not work.
54 Then the function dump-emacs will not be defined
55 and temacs will do (load "loadup") automatically unless told otherwise. */
56
57 /*#define CANNOT_DUMP*/
58
59 /* Define VIRT_ADDR_VARIES if the virtual addresses of
60 pure and impure space as loaded can vary, and even their
61 relative order cannot be relied on.
62
63 Otherwise Emacs assumes that data space precedes text space,
64 numerically. */
65
66 #undef VIRT_ADDR_VARIES
67
68 /* Define C_ALLOCA if this machine does not support a true alloca
69 and the one written in C should be used instead.
70 Define HAVE_ALLOCA to say that the system provides a properly
71 working alloca function and it should be used.
72 Define neither one if an assembler-language alloca
73 in the file alloca.s should be used. */
74
75 #define C_ALLOCA
76 #undef HAVE_ALLOCA
77
78 /* The data segment in this machine always starts at address 0x10000000.
79 An address of data cannot be stored correctly in a Lisp object;
80 we always lose the high bits. We must tell XPNTR to add them back. */
81
82 #define DATA_SEG_BITS 0x20000000
83 #define DATA_START 0x20000000
84
85 /* Define NO_REMAP if memory segmentation makes it not work well
86 to change the boundary between the text section and data section
87 when Emacs is dumped. If you define this, the preloaded Lisp
88 code will not be sharable; but that's better than failing completely. */
89
90 #define NO_REMAP
91 #define LIBS_MACHINE -lsocket -lnsl
92
93 /* Stack grows downward in memory. */
94 #define STACK_DIRECTION -1
95
96 /* The data section in a coff file must be aligned in the file. */
97 #define DATA_SECTION_ALIGNMENT 0xFFF
98
99 /* Compiler won't allow switch (x) when x is an enum. */
100 #define SWITCH_ENUM_BUG
101
102
103 /* Explain how pty filenames work. */
104
105 #define PTY_ITERATION for (i = 47; i >= 0; i--)
106 #define PTY_NAME_SPRINTF sprintf (ptyname, "/dev/pty%03x", i);
107 #define PTY_TTY_NAME_SPRINTF sprintf (ptyname, "/dev/ptm%03x", i);
108
109 /* We can't do interrupt-driven input, so don't let user try. */
110
111 #define BROKEN_SIGIO