1/* machine description file for hp9000 series 200 or 300 on either HPUX or BSD.
2   Copyright (C) 1985, 2001, 2002, 2003, 2004, 2005,
3                 2006, 2007  Free Software Foundation, Inc.
4
5This file is part of GNU Emacs.
6
7GNU Emacs is free software; you can redistribute it and/or modify
8it under the terms of the GNU General Public License as published by
9the Free Software Foundation; either version 2, or (at your option)
10any later version.
11
12GNU Emacs is distributed in the hope that it will be useful,
13but WITHOUT ANY WARRANTY; without even the implied warranty of
14MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15GNU General Public License for more details.
16
17You should have received a copy of the GNU General Public License
18along with GNU Emacs; see the file COPYING.  If not, write to
19the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
20Boston, MA 02110-1301, USA.  */
21
22
23/* The following line tells the configuration script what sort of
24   operating system this machine is likely to run.
25   USUAL-OPSYS="note"
26
27NOTE-START
28HP 9000 series 200 or 300 (-machine=hp9000s300)
29
30  These machines are 68000-series CPUs running HP-UX
31  (a derivative of sysV with some BSD features) or BSD 4.3 ported by Utah.
32
33  If you're running HP-UX, specify `-opsystem=hpux'.
34  If you're running BSD, specify `-opsystem=bsd4-3'.
35NOTE-END */
36
37/* I don't understand why we have to do this at all!  -JimB */
38#if 0
39
40/* Do this here at the top of the file; including sys/wait.h may
41   include <endian.h>, which defines BIG_ENDIAN, which will conflict
42   with our definition of BIG_ENDIAN if we do this at the bottom.  */
43#ifndef NOT_C_CODE
44#ifndef NO_SHORTNAMES
45#include <sys/wait.h>
46#define WAITTYPE int
47#endif
48#define WRETCODE(w) (((w) >> 8) & 0377)
49#endif
50
51#endif
52
53/* Define NOMULTIPLEJOBS on versions of HPUX before 6.5.  */
54
55/* #define NOMULTIPLEJOBS */
56
57/* Define this symbol if you are running a version of HP-UX
58   which predates version 6.01 */
59
60/* #define HPUX_5 */
61
62/* Define WORDS_BIG_ENDIAN iff lowest-numbered byte in a word
63   is the most significant byte.  */
64
65#define WORDS_BIG_ENDIAN
66
67/* Define NO_ARG_ARRAY if you cannot take the address of the first of a
68 * group of arguments and treat it as an array of the arguments.  */
69
70/* #define NO_ARG_ARRAY */
71
72/* Define WORD_MACHINE if addresses and such have
73 * to be corrected before they can be used as byte counts.  */
74
75/* #define WORD_MACHINE */
76
77/* Now define a symbol for the cpu type, if your compiler
78   does not define it automatically.  */
79
80#ifndef hp9000s300
81#define hp9000s300
82#endif
83
84/* Use type int rather than a union, to represent Lisp_Object */
85/* This is desirable for most machines.  */
86
87#define NO_UNION_TYPE
88
89/* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend
90   the 24-bit bit field into an int.  In other words, if bit fields
91   are always unsigned.
92
93   If you use NO_UNION_TYPE, this flag does not matter.  */
94
95#define EXPLICIT_SIGN_EXTEND
96
97/* Define CANNOT_DUMP on machines where unexec does not work.
98   Then the function dump-emacs will not be defined
99   and temacs will do (load "loadup") automatically unless told otherwise.  */
100
101/* #define CANNOT_DUMP */
102
103/* Define VIRT_ADDR_VARIES if the virtual addresses of
104   pure and impure space as loaded can vary, and even their
105   relative order cannot be relied on.
106
107   Otherwise Emacs assumes that text space precedes data space,
108   numerically.  */
109
110/* #define VIRT_ADDR_VARIES */
111
112/* For University of Utah 4.3bsd implementation on HP300s.
113   The #ifndef __GNUC__ definitions are required for the "standard" cc,
114   a very old, brain-dead version of PCC. */
115
116#ifdef BSD4_3
117
118/* Tell crt0.c that this is an ordinary 68020.  */
119#undef hp9000s300
120#define m68000
121
122#define CRT0_DUMMIES		bogus_a6,
123
124#ifndef __GNUC__
125#define LIBS_DEBUG		/* don't have -lg that works */
126#define C_DEBUG_SWITCH		/* don't support -g */
127#endif
128
129#undef LOAD_AVE_TYPE
130#undef LOAD_AVE_CVT
131#define LOAD_AVE_TYPE long
132#define LOAD_AVE_CVT(x) ((int) (((double) (x)) / 2048.0 * 100.0))
133
134#endif /* BSD4_3 */
135
136#ifndef BSD4_3
137/* The following definitions are for HPUX only.  */
138
139/* The symbol in the kernel where the load average is found
140   is named _avenrun on this machine.  */
141
142#define LDAV_SYMBOL "_avenrun"
143
144/* Data type of load average, as read out of kmem.  */
145
146#define LOAD_AVE_TYPE double
147
148/* Convert that into an integer that is 100 for a load average of 1.0  */
149
150#define LOAD_AVE_CVT(x) ((int) ((x) * 100.0))
151
152/* This library is needed with -g, on the 200/300 only.  */
153
154#if !defined(__GNUC__) || defined(__HPUX_ASM__)
155#define LIBS_DEBUG /usr/lib/end.o
156#endif
157
158/* Need a TEXT_START.  On the HP9000/s300 that is 0.  */
159#ifdef __GNUC__
160#define TEXT_START   0
161#endif
162
163/* The symbol FIONREAD is defined, but the feature does not work
164   on the 200/300.  */
165
166#define BROKEN_FIONREAD
167
168/* In older versions of hpux, for unknown reasons, S_IFLNK is defined
169   even though symbolic links do not exist.
170   Make sure our conditionals based on S_IFLNK are not confused.
171
172   Here we assume that stat.h is included before config.h
173   so that we can override it here.
174
175   Version 6 of HP-UX has symbolic links.  */
176
177#ifdef HPUX_5
178#undef S_IFLNK
179#endif
180
181/* Define the BSTRING functions in terms of the sysV functions.
182   Version 6 of HP-UX supplies these in the BSD library,
183   but that library has reported bugs in `signal'.  */
184
185/* #ifdef HPUX_5 */
186#define bcopy(a,b,s)	memcpy (b,a,s)
187#define bzero(a,s)	memset (a,0,s)
188#define bcmp		memcmp
189/* #endif */
190
191/* On USG systems these have different names.
192   Version 6 of HP-UX supplies these in the BSD library,
193   which we currently want to avoid using.  */
194
195/* #ifdef HPUX_5 */
196#define index strchr
197#define rindex strrchr
198/* #endif */
199
200/* Define C_SWITCH_MACHINE to be +X if you want the s200/300
201 * Emacs to run on both 68010 and 68020 based hp-ux's.
202 *
203 * Define OLD_HP_ASSEMBLER if you have an ancient assembler
204 *
205 * Define HPUX_68010 if you are using the new assembler but
206 * compiling for a s200 (upgraded) or s310.  68010 based
207 * processor without 68881.
208 */
209
210/* These switches increase the size of some internal C compiler tables.
211   They are required for compiling the X11 interface files. */
212
213#ifndef HPUX_5
214#ifndef __GNUC__
215#define C_SWITCH_MACHINE -Wc,-Nd4000,-Ns3000
216#endif
217#endif
218
219/* Define NEED_BSDTTY if you have such. */
220
221#ifndef NOMULTIPLEJOBS
222#define NEED_BSDTTY
223#endif
224
225#endif /* not BSD4_3 */
226
227/* arch-tag: 6e0001a5-ed62-4258-9235-204348f6bdb9
228   (do not change this comment) */
229