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1 /* machine description file for i860.
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2 Copyright (C) 1985, 1986 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="<name of system .h file here, without the s- or .h>" */
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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 Ones defined so far include vax, m68000, ns16000, pyramid,
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30 orion, tahoe, APOLLO and many others */
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31
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32 #define INTEL860
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33
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34 /* Data type of load average, as read out of kmem. */
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35
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36 #define LOAD_AVE_TYPE long
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37
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38 /* Convert that into an integer that is 100 for a load average of 1.0 */
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39
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40 #define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / FSCALE)
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41
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42 /* Define CANNOT_DUMP on machines where unexec does not work.
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43 Then the function dump-emacs will not be defined
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44 and temacs will do (load "loadup") automatically unless told otherwise. */
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45
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46 /* #define CANNOT_DUMP */
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47
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48 /* Define VIRT_ADDR_VARIES if the virtual addresses of
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49 pure and impure space as loaded can vary, and even their
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50 relative order cannot be relied on.
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51
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52 Otherwise Emacs assumes that text space precedes data space,
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53 numerically. */
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54
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55 /* #define VIRT_ADDR_VARIES */
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56
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57 /* Define C_ALLOCA if this machine does not support a true alloca
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58 and the one written in C should be used instead.
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59 Define HAVE_ALLOCA to say that the system provides a properly
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60 working alloca function and it should be used.
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61 Define neither one if an assembler-language alloca
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62 in the file alloca.s should be used. */
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63
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64 #define C_ALLOCA
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65 /* #define HAVE_ALLOCA */
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66
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67 /* Define NO_REMAP if memory segmentation makes it not work well
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68 to change the boundary between the text section and data section
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69 when Emacs is dumped. If you define this, the preloaded Lisp
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70 code will not be sharable; but that's better than failing completely. */
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71
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72 #define NO_REMAP
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73
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74 /* The X11 include files for i860-sysv4 need the macro SVR4 defined.
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75 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 8/9/94. */
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76 #ifdef USG5_4
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77 #ifndef SVR4
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78 #define SVR4
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79 #endif
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80 #endif
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