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comparison src/m/delta.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 the Motorola Delta.
2 Tested on mvme147 board using R3V7 without X. Tested with gcc.
3 Tested on mvme167 board using R3V7 without X. Tested with cc, gnucc, gcc.
4 Copyright (C) 1986, 1993, 1994 Free Software Foundation, Inc.
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="usg5-3" */
28
29 /* Define WORD_MACHINE if addresses and such have
30 * to be corrected before they can be used as byte counts. */
31
32 /* #define WORD_MACHINE */
33
34 /* Now define a symbol for the cpu type, if your compiler
35 does not define it automatically:
36 Ones defined so far include vax, m68000, ns16000, pyramid,
37 orion, tahoe, APOLLO and many others */
38
39 #define m68000
40 #define MOTOROLA_DELTA
41
42 /* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend
43 the bit field into an int. In other words, if bit fields
44 are always unsigned.
45
46 If you use NO_UNION_TYPE, this flag does not matter. */
47
48 #define EXPLICIT_SIGN_EXTEND
49
50 /* Data type of load average, as read out of kmem. */
51
52 /* #define LOAD_AVE_TYPE long */
53
54 /* Convert that into an integer that is 100 for a load average of 1.0 */
55
56 /* #define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / FSCALE) */
57
58 /* Define CANNOT_DUMP on machines where unexec does not work.
59 Then the function dump-emacs will not be defined
60 and temacs will do (load "loadup") automatically unless told otherwise. */
61
62 /* #define CANNOT_DUMP */
63
64 /* Define VIRT_ADDR_VARIES if the virtual addresses of
65 pure and impure space as loaded can vary, and even their
66 relative order cannot be relied on.
67
68 Otherwise Emacs assumes that data space precedes text space,
69 numerically. */
70
71 /* #define VIRT_ADDR_VARIES */
72
73 /* Define C_ALLOCA if this machine does not support a true alloca
74 and the one written in C should be used instead.
75 Define HAVE_ALLOCA to say that the system provides a properly
76 working alloca function and it should be used.
77 Define neither one if an assembler-language alloca
78 in the file alloca.s should be used. */
79
80 /* #define C_ALLOCA */
81 /* #define HAVE_ALLOCA */
82
83 /* Define NO_REMAP if memory segmentation makes it not work well
84 to change the boundary between the text section and data section
85 when Emacs is dumped. If you define this, the preloaded Lisp
86 code will not be sharable; but that's better than failing completely. */
87
88 #define NO_REMAP
89
90 /* Some really obscure 4.2-based systems (like Sequent DYNIX)
91 * do not support asynchronous I/O (using SIGIO) on sockets,
92 * even though it works fine on tty's. If you have one of
93 * these systems, define the following, and then use it in
94 * config.h (or elsewhere) to decide when (not) to use SIGIO.
95 *
96 * You'd think this would go in an operating-system description file,
97 * but since it only occurs on some, but not all, BSD systems, the
98 * reasonable place to select for it is in the machine description
99 * file.
100 */
101
102 /* #define NO_SOCK_SIGIO */
103
104
105 /* Machine specific stuff */
106 #define HAVE_PTYS
107 #define SYSV_PTYS
108 #define SIGNALS_VIA_CHARACTERS
109 #define BROKEN_CLOSEDIR /* builtin closedir is interruptible */
110 #define memmove(t,f,s) safe_bcopy(f,t,s) /* for overlapping copies */
111 #undef KERNEL_FILE
112 #define KERNEL_FILE "/sysv68"
113 #undef LDAV_SYMBOL
114
115 /* The standard C library is -lc881, not -lc.
116 DO NOT USE -lPW. That version of alloca is broken in versions R3V5,
117 R3V6, R3V7. -riku@field.fi -pot@cnuce.cnr.it. */
118
119 #define LIB_STANDARD -lc881
120 #define LIB_MATH -lm881
121 #define LIBS_TERMCAP -lcurses
122 #define LIBS_SYSTEM -lbsd
123
124 #ifdef HAVE_X_WINDOWS
125 # define HAVE_RANDOM
126 # define HAVE_XSCREENNUMBEROFSCREEN
127 # undef LIB_X11_LIB /* no shared libraries */
128 # define LIB_X11_LIB -lX11
129 # undef USG_SHARED_LIBRARIES /* once again, no shared libs */
130 # undef LIBX11_SYSTEM /* no -lpt as usg5-3.h expects */
131 # define LIBX11_SYSTEM -lnls -lnsl_s
132 #endif /* HAVE_X_WINDOWS */
133
134 #ifdef __GNUC__
135 /* Use builtin alloca. Also be sure that no other ones are tried out. */
136 # define alloca __builtin_alloca
137 # define HAVE_ALLOCA
138
139 /* We are assuming here that the `true' GNU gcc has not been
140 installed, and we are using the gnucc provided by Motorola. No
141 support exists for compiling with GNU gcc, as I do not have it on
142 my machine to try it out. -pot@cnuce.cnr.it
143 If __STDC__ is defined gnucc has been called without the -traditional
144 option, that is, we are inside configure. If THIS_IS_CONFIGURE is
145 not defined, then configure is trying to figure out what the right
146 option for real compilation are.
147 Let us set -traditional, because gmalloc.c includes <stddef.h>, and
148 we don't have that (as of SYSV68 R3V7). */
149 # define C_SWITCH_MACHINE -mfp0ret -traditional -Dconst= -fdelayed-branch -fstrength-reduce -fno-inline -fcaller-saves
150 # define LIB_GCC /lib/gnulib881
151
152 #else
153 /* Not __GNUC__, use the alloca in alloca.s. */
154
155 /* Try to guess if we are using the Green Hills Compiler */
156 # if defined mc68000 && defined MC68000
157 /* Required only for use with Green Hills compiler:
158 -ga Because alloca relies on stack frames. This option forces
159 the Green Hills compiler to create stack frames even for
160 functions with few local variables. */
161 # define C_SWITCH_MACHINE -ga -O
162 # define GAP_USE_BCOPY /* *++to = *++from is inefficient */
163 # define BCOPY_UPWARD_SAFE 0
164 # define BCOPY_DOWNWARD_SAFE 1 /* bcopy does: mov.b (%a1)+,(%a0)+ */
165 # else
166 /* We are using the standard AT&T Portable C Compiler */
167 # define SWITCH_ENUM_BUG
168 # endif
169
170 #endif /* not __GNUC__ */