1 /* alliant-2800.h - Alliant FX/2800 machine running Concentrix 2800.
2 Copyright (C) 1990 Free Software Foundation, Inc.
4 This file is part of GNU Emacs.
6 GNU Emacs is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2, or (at your option)
11 GNU Emacs is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with XEmacs; see the file COPYING. If not, write to
18 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
19 Boston, MA 02111-1307, USA. */
21 /* Synched up with: FSF 19.31. */
23 /* The following line tells the configuration script what sort of
24 operating system this machine is likely to run.
25 USUAL-OPSYS="bsd4-3" */
27 /* Now define a symbol for the cpu type, if your compiler
28 does not define it automatically:
29 vax, m68000, ns16000, pyramid, orion, tahoe and APOLLO
30 are the ones defined so far. */
34 #define sun /* Use X support for Sun keyboard stuff. */
35 #define C_OPTIMIZE_SWITCH "-Og" /* No concurrent code allowed here. */
37 /* Concentrix uses a different kernel symbol for load average. */
39 #undef LDAV_SYMBOL /* Undo definition in s-bsd4-2.h */
40 #define LDAV_SYMBOL "_Loadavg"
42 /* Data type of load average, as read out of kmem. */
44 #define LOAD_AVE_TYPE long
46 /* Convert that into an integer that is 100 for a load average of 1.0 */
48 #define LOAD_AVE_CVT(x) (x * 100 / LOADAVG_SCALE)
50 /* include <sys/param.h> for the definition of LOADAVG_SCALE, and also
51 LOADAVG_SIZE, the number of items in the Loadavg array. */
53 /* Define CANNOT_DUMP on machines where unexec does not work.
54 Then the function dump-emacs will not be defined
55 and temacs will do (load "loadup") automatically unless told otherwise. */
57 /* #define CANNOT_DUMP */
58 #define UNEXEC "unexfx2800.o"
59 #define LIBS_MACHINE "-lalliant"
61 /* Define VIRT_ADDR_VARIES if the virtual addresses of
62 pure and impure space as loaded can vary, and even their
63 relative order cannot be relied on.
65 Otherwise Emacs assumes that text space precedes data space,
68 #undef VIRT_ADDR_VARIES
70 /* Define C_ALLOCA if this machine does not support a true alloca
71 and the one written in C should be used instead.
72 Define HAVE_ALLOCA to say that the system provides a properly
73 working alloca function and it should be used.
74 Define neither one if an assembler-language alloca
75 in the file alloca.s should be used. */
80 /* Define NO_REMAP if memory segmentation makes it not work well
81 to change the boundary between the text section and data section
82 when Emacs is dumped. If you define this, the preloaded Lisp
83 code will not be sharable; but that's better than failing completely. */
84 /* Actually, Alliant CONCENTRIX does paging "right":
85 data pages are copy-on-write, which means that the pure data areas
86 are shared automatically and remapping is not necessary. */
90 /* Alliant needs special crt0.o because system version is not reentrant */
92 #define START_FILES "crt0.o"
94 /* Alliant dependent code for dumping executing image.
95 See crt0.c code for alliant. */
97 #define ADJUST_EXEC_HEADER {\
98 extern int _curbrk, _setbrk;\
100 hdr.a_bss_addr = bss_start;\
101 unexec_text_start = hdr.a_text_addr;}
104 /* Use the K&R version of the DEFUN macro. */
105 #define USE_NONANSI_DEFUN