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comparison src/m/sgi-challenge.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 sgi challange and onyx machines running
2 Irix 5.1. It will probably work with other new SGI machines.
3 Use with s-iris5-1.h
4 by Hayden Schultz <haydens@ll.mit.edu> for XEmacs
5
6 Copyright (C) 1987, 1994 Free Software Foundation, Inc.
7
8 This file is part of GNU Emacs.
9
10 GNU Emacs is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 2, or (at your option)
13 any later version.
14
15 GNU Emacs is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
19
20 You should have received a copy of the GNU General Public License
21 along with XEmacs; see the file COPYING. If not, write to
22 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
23 Boston, MA 02111-1307, USA. */
24
25 /* Synched up with: Not in FSF. */
26
27 /* The following line tells the configuration script what sort of
28 operating system this machine is likely to run.
29 USUAL-OPSYS="irix3-3" */
30
31 /* Define WORD_MACHINE if addresses and such have
32 * to be corrected before they can be used as byte counts. */
33
34 #undef WORD_MACHINE
35
36 /* Now define a symbol for the cpu type, if your compiler
37 does not define it automatically:
38 Ones defined so far include vax, m68000, ns16000, pyramid,
39 orion, tahoe, APOLLO and many others */
40
41 #ifndef mips
42 #define mips
43 #endif
44
45 #ifndef IRIS_4D
46 #define IRIS_4D
47 #endif
48
49 /*
50 * For some reason I don't understand, the most expensive machines
51 * SGI makes are the only SGI machines that don't come with sound
52 */
53 #ifdef HAVE_NATIVE_SOUND
54 #undef HAVE_NATIVE_SOUND
55 #endif
56
57 /* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend
58 the bit field into an int. In other words, if bit fields
59 are always unsigned.
60
61 If you use NO_UNION_TYPE, this flag does not matter. */
62
63 #define EXPLICIT_SIGN_EXTEND
64
65 /* Data type of load average, as read out of kmem. */
66
67 #define LOAD_AVE_TYPE long /* This doesn't quite work on the 4D */
68
69 /* Convert that into an integer that is 100 for a load average of 1.0 */
70
71 #define LOAD_AVE_CVT(x) (int)(((double)(x)*100)/1024.0)
72
73 /* s-iris3-6.h uses /vmunix */
74
75 #undef KERNEL_FILE
76 #define KERNEL_FILE "/unix"
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 #undef 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 /* This machine requires completely different unexec code
111 which lives in a separate file. Specify the file name. */
112
113 #ifdef UNEXEC
114 #undef UNEXEC
115 #endif
116 #define UNEXEC unexelfsgi.o
117
118 #define TEXT_START 0x400000
119
120 /*
121 * DATA_SEG_BITS forces that bit to be or'd in with any pointers which
122 * are trying to access pure strings (as gnu-emacs only allows 24 bits
123 * for the value field of a LISP_OBJECT).
124 */
125
126 #define DATA_START 0x10000000
127 #define DATA_SEG_BITS 0x10000000
128
129 #undef LIBS_MACHINE
130 /* -lsun in case using Yellow Pages for passwords. */
131 #define LIBS_MACHINE -lsun -lmld
132 #define LIBS_DEBUG
133
134 /* Define this if you have a fairly recent system,
135 in which crt1.o and crt1.n should be used. */
136 #define HAVE_CRTN
137
138 #ifdef HAVE_CRTN
139 /* Must define START-FILES so that the linker can find /usr/lib/crt0.o. */
140 #define START_FILES pre-crt0.o /usr/lib/crt1.o
141 #define LIB_STANDARD -lbsd -nocount -lc_s -lc /usr/lib/crtn.o
142 #else
143 #define START_FILES pre-crt0.o /usr/lib/crt0.o
144 /* The entry-point label (start of text segment) is `start', not `__start'. */
145 #define DEFAULT_ENTRY_ADDRESS start
146 #define LIB_STANDARD -lbsd -lc
147 #endif
148
149 /* Use terminfo instead of termcap. */
150
151 #define TERMINFO
152
153 /* sioctl.h should be included where appropriate. */
154
155 #define NEED_SIOCTL
156
157 /* Letter to use in finding device name of first pty,
158 if system supports pty's. 'a' means it is /dev/ptya0 */
159
160 #undef FIRST_PTY_LETTER
161 #define FIRST_PTY_LETTER 'q'
162
163 /* Define STACK_DIRECTION for alloca.c */
164
165 #define STACK_DIRECTION -1
166
167 /* By Tor Arntsen <tor@spacetec.no> for XEmacs. */
168 #ifdef USE_GCC
169 # define C_SWITCH_MACHINE -D_BSD_TYPES -mcpu=r4000 -mips2
170 #else
171 /* Turn off some "helpful" error checks for type mismatches
172 that we can't fix without breaking other machines. */
173 # define C_SWITCH_MACHINE -D_BSD_TYPES -cckr -acpp -mips2
174 #endif