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428
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1 /* alliant-2800.h - Alliant FX/2800 machine running Concentrix 2800.
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2 Copyright (C) 1990 Free Software Foundation, Inc.
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3
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4 This file is part of GNU Emacs.
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5
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6 GNU Emacs is free software; you can redistribute it and/or modify
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7 it under the terms of the GNU General Public License as published by
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8 the Free Software Foundation; either version 2, or (at your option)
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9 any later version.
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10
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11 GNU Emacs is distributed in the hope that it will be useful,
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12 but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 GNU General Public License for more details.
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15
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16 You should have received a copy of the GNU General Public License
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17 along with XEmacs; see the file COPYING. If not, write to
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18 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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19 Boston, MA 02111-1307, USA. */
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20
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21 /* Synched up with: FSF 19.31. */
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22
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23 /* The following line tells the configuration script what sort of
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24 operating system this machine is likely to run.
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25 USUAL-OPSYS="bsd4-3" */
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26
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27 /* Now define a symbol for the cpu type, if your compiler
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28 does not define it automatically:
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29 vax, m68000, ns16000, pyramid, orion, tahoe and APOLLO
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30 are the ones defined so far. */
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31
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32 #define ALLIANT
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33 #define ALLIANT_2800
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34 #define sun /* Use X support for Sun keyboard stuff. */
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35 #define C_OPTIMIZE_SWITCH "-Og" /* No concurrent code allowed here. */
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36
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37 /* Concentrix uses a different kernel symbol for load average. */
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38
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39 #undef LDAV_SYMBOL /* Undo definition in s-bsd4-2.h */
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40 #define LDAV_SYMBOL "_Loadavg"
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41
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42 /* Data type of load average, as read out of kmem. */
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43
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44 #define LOAD_AVE_TYPE long
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45
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46 /* Convert that into an integer that is 100 for a load average of 1.0 */
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47
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48 #define LOAD_AVE_CVT(x) (x * 100 / LOADAVG_SCALE)
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49
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50 /* include <sys/param.h> for the definition of LOADAVG_SCALE, and also
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51 LOADAVG_SIZE, the number of items in the Loadavg array. */
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52
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53 /* Define CANNOT_DUMP on machines where unexec does not work.
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54 Then the function dump-emacs will not be defined
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55 and temacs will do (load "loadup") automatically unless told otherwise. */
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56
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57 /* #define CANNOT_DUMP */
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58 #define UNEXEC "unexfx2800.o"
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59 #define LIBS_MACHINE "-lalliant"
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60
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61 /* Define C_ALLOCA if this machine does not support a true alloca
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62 and the one written in C should be used instead.
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63 Define HAVE_ALLOCA to say that the system provides a properly
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64 working alloca function and it should be used.
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65 Define neither one if an assembler-language alloca
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66 in the file alloca.s should be used. */
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67
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68 #undef C_ALLOCA
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69 #define HAVE_ALLOCA
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70
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71 /* Define NO_REMAP if memory segmentation makes it not work well
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72 to change the boundary between the text section and data section
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73 when Emacs is dumped. If you define this, the preloaded Lisp
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74 code will not be sharable; but that's better than failing completely. */
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75 /* Actually, Alliant CONCENTRIX does paging "right":
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76 data pages are copy-on-write, which means that the pure data areas
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77 are shared automatically and remapping is not necessary. */
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78
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79 #define NO_REMAP
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80
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81 /* Alliant needs special crt0.o because system version is not reentrant */
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82
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83 #define START_FILES "crt0.o"
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84
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85 /* Alliant dependent code for dumping executing image.
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86 See crt0.c code for alliant. */
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87
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88 #define ADJUST_EXEC_HEADER {\
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89 extern int _curbrk, _setbrk;\
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90 _setbrk = _curbrk;\
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91 hdr.a_bss_addr = bss_start;\
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92 unexec_text_start = hdr.a_text_addr;}
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93
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94 #if 0 /* RMSmacs */
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95 /* Use the K&R version of the DEFUN macro. */
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96 #define USE_NONANSI_DEFUN
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97 #endif
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