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1 /* machine description file for ns16000.
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2 Copyright (C) 1985 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="note"
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26
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27 NOTE-START
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28 For the Encore, use `-opsystem=umax'.
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29 For a Tektronix 16000 box (a 6130, perhaps?), use `-opsystem=bsd4-2'.
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30 Use `-machine=ns16000' for both.
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31 NOTE-END */
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32
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33 /* Say this machine is a 16000 */
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34
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35 #define ns16000 1
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36
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37 /* Data type of load average, as read out of kmem. */
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38
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39 #ifndef USG
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40 #define LOAD_AVE_TYPE double
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41 #endif
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42
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43 /* Convert that into an integer that is 100 for a load average of 1.0 */
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44
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45 #ifndef USG
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46 #define LOAD_AVE_CVT(x) ((int) ((x) * 100.0))
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47 #endif
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48
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49 #ifdef USG
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50
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51 /* Control assembler syntax used in alloca.s. */
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52 #define NS5
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53
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54 /* On early NS systems ulimit was buggy. If set emacs uses this value
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55 * for the maximum sbrk value instead of getting it from ulimit.
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56 */
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57 #define ULIMIT_BREAK_VALUE 0x7E0000
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58
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59 /* Early NS compilers have this bug. I believe it has been fixed in later
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60 * releases.
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61 */
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62 #define SHORT_CAST_BUG
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63
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64 #define SEGMENT_MASK (NBPS - 1)
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65
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66 /* Variables to get crt0.c to come out correctly */
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67 #define CRT0_DUMMIES bogus_fp,
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68 #define DOT_GLOBAL_START
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69
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70 /* Set this to /bin/mail unless you have a better mail posting program */
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71 #define MAIL_PROGRAM_NAME "/usr/local/bin/remail"
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72
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73 /* This avoids problems with uninitialized static variables going in .data. */
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74 #define NO_REMAP
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75
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76 #endif /* USG */
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