annotate src/m/hp800.h @ 321:19dcec799385 r21-0-58

Import from CVS: tag r21-0-58
author cvs
date Mon, 13 Aug 2007 10:46:44 +0200
parents 0132846995bd
children a86b2b5e0111
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1 /* machine description file for hp9000 series 800 machines.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2 Copyright (C) 1987 Free Software Foundation, Inc.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
3
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
4 This file is part of GNU Emacs.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
5
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
6 GNU Emacs is free software; you can redistribute it and/or modify
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
7 it under the terms of the GNU General Public License as published by
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
8 the Free Software Foundation; either version 2, or (at your option)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
9 any later version.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
10
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
11 GNU Emacs is distributed in the hope that it will be useful,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
14 GNU General Public License for more details.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
15
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
16 You should have received a copy of the GNU General Public License
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
17 along with XEmacs; see the file COPYING. If not, write to
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
18 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
19 Boston, MA 02111-1307, USA. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
20
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
21 /* Synched up with: FSF 19.31. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
22
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
23 /* The following line tells the configuration script what sort of
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
24 operating system this machine is likely to run.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
25 USUAL-OPSYS="hpux" */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
26
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
27 /* Define WORD_MACHINE if addresses and such have
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
28 * to be corrected before they can be used as byte counts. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
29
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
30 #undef WORD_MACHINE
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
31
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
32 /* Now define a symbol for the cpu type, if your compiler
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
33 does not define it automatically:
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
34 Ones defined so far include vax, m68000, ns16000, pyramid,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
35 orion, tahoe, APOLLO and many others */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
36 #ifndef hp9000s800
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
37 # define hp9000s800
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
38 #endif
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
39
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
40 /* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
41 the bit field into an int. In other words, if bit fields
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
42 are always unsigned.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
43
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
44 If you use NO_UNION_TYPE, this flag does not matter. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
45
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
46 #define EXPLICIT_SIGN_EXTEND
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
47
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
48 #ifdef __hpux
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
49 /* Now define a symbol for the cpu type, if your compiler
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
50 does not define it automatically:
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
51 Ones defined so far include vax, m68000, ns16000, pyramid,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
52 orion, tahoe, APOLLO and many others */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
53 #ifndef hp9000s800
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
54 # define hp9000s800
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
55 #endif
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
56
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
57 /* Data type of load average, as read out of kmem. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
58
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
59 #define LOAD_AVE_TYPE double
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
60
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
61 /* Convert that into an integer that is 100 for a load average of 1.0 */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
62
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
63 #define LOAD_AVE_CVT(x) ((int) (x * 100.0))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
64
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
65
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
66 /* Define CANNOT_DUMP on machines where unexec does not work.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
67 Then the function dump-emacs will not be defined
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
68 and temacs will do (load "loadup") automatically unless told otherwise. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
69
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
70 #undef CANNOT_DUMP
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
71
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
72 /* Define VIRT_ADDR_VARIES if the virtual addresses of
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
73 pure and impure space as loaded can vary, and even their
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
74 relative order cannot be relied on.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
75
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
76 Otherwise Emacs assumes that text space precedes data space,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
77 numerically. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
78
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
79 #define VIRT_ADDR_VARIES
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
80
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
81 /* Define C_ALLOCA if this machine does not support a true alloca
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
82 and the one written in C should be used instead.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
83 Define HAVE_ALLOCA to say that the system provides a properly
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
84 working alloca function and it should be used.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
85 Define neither one if an assembler-language alloca
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
86 in the file alloca.s should be used. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
87
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
88 /* lemacs change: define HAVE_ALLOCA if gcc is being used */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
89 #ifdef __GNUC__
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
90 #define HAVE_ALLOCA
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
91 #else
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
92 #define C_ALLOCA
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
93 #endif
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
94
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
95 /* the data segment on this machine always starts at address 0x40000000. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
96
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
97 #define DATA_SEG_BITS 0x40000000
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
98
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
99 #ifdef DATA_START
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
100 #undef DATA_START
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
101 #endif
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
102 #ifdef TEXT_START
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
103 #undef TEXT_START
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
104 #endif
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
105
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
106 #define DATA_START 0x40000000
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
107 #define TEXT_START 0x00000000
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
108
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
109 #define STACK_DIRECTION 1
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
110
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
111 /* Define NO_REMAP if memory segmentation makes it not work well
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
112 to change the boundary between the text section and data section
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
113 when Emacs is dumped. If you define this, the preloaded Lisp
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
114 code will not be sharable; but that's better than failing completely. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
115
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
116 #define NO_REMAP
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
117
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
118 /* This machine requires completely different unexec code
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
119 which lives in a separate file. Specify the file name. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
120
163
0132846995bd Import from CVS: tag r20-3b8
cvs
parents: 0
diff changeset
121 #define UNEXEC "unexhp9k800.o"
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
122
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
123 #define LIBS_MACHINE
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
124 #define LIBS_DEBUG
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
125
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
126 /* Include the file bsdtty.h, since this machine has job control. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
127 #define NEED_BSDTTY
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
128
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
129 /* The symbol in the kernel where the load average is found
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
130 is named _avenrun. At this time there are two major flavors
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
131 of hp-ux (there is the s800 and s300 (s200) flavors). The
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
132 differences are thusly moved to the corresponding machine description file.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
133 */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
134
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
135 /* no underscore please */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
136 #define LDAV_SYMBOL "avenrun"
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
137
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
138 #if 0 /* Supposedly no longer true. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
139 /* In hpux, for unknown reasons, S_IFLNK is defined even though
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
140 symbolic links do not exist.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
141 Make sure our conditionals based on S_IFLNK are not confused.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
142
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
143 Here we assume that stat.h is included before config.h
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
144 so that we can override it here. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
145
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
146 #undef S_IFLNK
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
147 #endif
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
148
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
149 #endif /* __hpux */