1/* machine description file for Hitachi SR2001/SR2201 machines.
2   Copyright (C) 1996, 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="hpux"  */
26
27/* Define WORDS_BIG_ENDIAN iff lowest-numbered byte in a word
28   is the most significant byte.  */
29
30#define WORDS_BIG_ENDIAN
31
32/* Define NO_ARG_ARRAY if you cannot take the address of the first of a
33 * group of arguments and treat it as an array of the arguments.  */
34
35#define NO_ARG_ARRAY
36
37/* Define WORD_MACHINE if addresses and such have
38 * to be corrected before they can be used as byte counts.  */
39
40#undef WORD_MACHINE
41
42/* Now define a symbol for the cpu type, if your compiler
43   does not define it automatically:
44   Ones defined so far include vax, m68000, ns16000, pyramid,
45   orion, tahoe, APOLLO and many others */
46#ifndef hp9000s800
47#	define hp9000s800
48#endif
49
50/* Use type int rather than a union, to represent Lisp_Object */
51/* This is desirable for most machines.  */
52
53#define NO_UNION_TYPE
54
55/* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend
56   the bit field into an int.  In other words, if bit fields
57   are always unsigned.
58
59   If you use NO_UNION_TYPE, this flag does not matter.  */
60
61#define EXPLICIT_SIGN_EXTEND
62
63/* The standard definitions of these macros would work ok,
64   but these are faster because the constants are short. */
65
66
67#define XUINT(a) (((unsigned)(a) << BITS_PER_INT-VALBITS) >> BITS_PER_INT-VALBITS)
68
69#define XSET(var, type, ptr) \
70   ((var) = ((int)(type) << VALBITS) + (((unsigned) (ptr) << BITS_PER_INT-VALBITS) >> BITS_PER_INT-VALBITS))
71
72/* #ifdef __hpux */
73/* Now define a symbol for the cpu type, if your compiler
74   does not define it automatically:
75   Ones defined so far include vax, m68000, ns16000, pyramid,
76   orion, tahoe, APOLLO and many others */
77
78#ifndef hp9000s800
79#     define hp9000s800
80#endif
81
82
83/* Data type of load average, as read out of kmem.  */
84
85#define LOAD_AVE_TYPE double
86
87/* Convert that into an integer that is 100 for a load average of 1.0  */
88
89#define LOAD_AVE_CVT(x) ((int) (x * 100.0))
90
91
92/* Define CANNOT_DUMP on machines where unexec does not work.
93   Then the function dump-emacs will not be defined
94   and temacs will do (load "loadup") automatically unless told otherwise.  */
95
96#undef CANNOT_DUMP
97
98/* Define VIRT_ADDR_VARIES if the virtual addresses of
99   pure and impure space as loaded can vary, and even their
100   relative order cannot be relied on.
101
102   Otherwise Emacs assumes that text space precedes data space,
103   numerically.  */
104
105#define VIRT_ADDR_VARIES
106
107/* the data segment on this machine always starts at address 0x40000000. */
108
109#define DATA_SEG_BITS 0x40000000
110
111#define DATA_START    0x40000000
112#define TEXT_START    0x00000000
113
114/* Define NO_REMAP if memory segmentation makes it not work well
115   to change the boundary between the text section and data section
116   when Emacs is dumped.  If you define this, the preloaded Lisp
117   code will not be sharable; but that's better than failing completely.  */
118
119#define NO_REMAP
120
121/* This machine requires completely different unexec code
122   which lives in a separate file.  Specify the file name.  */
123
124#define UNEXEC unexhp9k800.o
125
126#define LIBS_MACHINE
127#define LIBS_DEBUG
128
129/* Include the file bsdtty.h, since this machine has job control.  */
130/* #define NEED_BSDTTY */
131
132/* The symbol in the kernel where the load average is found
133   is named _avenrun.  At this time there are two major flavors
134   of hp-ux (there is the s800 and s300 (s200) flavors).  The
135   differences are thusly moved to the corresponding machine description file.
136*/
137
138/* no underscore please */
139#define LDAV_SYMBOL "avenrun"
140
141#if 0   /* Supposedly no longer true.  */
142/* In hpux, for unknown reasons, S_IFLNK is defined even though
143   symbolic links do not exist.
144   Make sure our conditionals based on S_IFLNK are not confused.
145
146   Here we assume that stat.h is included before config.h
147   so that we can override it here.  */
148
149#undef S_IFLNK
150#endif
151
152/* On USG systems these have different names. */
153
154#define index strchr
155#define rindex strrchr
156
157/* #endif */
158
159/* arch-tag: 4ced5b51-ffe6-4be1-9954-eb40657023a5
160   (do not change this comment) */
161