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359
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1 /* machine description file for Iris-4D machines. Use with s/irix*.h.
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2 Copyright (C) 1987 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 /* Now define a symbol for the cpu type, if your compiler
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24 does not define it automatically:
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25 Ones defined so far include vax, m68000, ns16000, pyramid,
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26 orion, tahoe, APOLLO and many others */
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27
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28 #ifndef mips
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29 #define mips
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30 #endif
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31
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32 #ifndef IRIS_4D
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33 #define IRIS_4D
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34 #endif
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35
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36 /* jg@genmagic.genmagic.com (John Giannandrea) says this is unnecessary. */
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37 #if 0
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38 /* Data type of load average, as read out of kmem. */
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39
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40 #define LOAD_AVE_TYPE long /* This doesn't quite work on the 4D */
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41
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42 /* Convert that into an integer that is 100 for a load average of 1.0 */
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43
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44 #define LOAD_AVE_CVT(x) (int)(((double)(x)*100)/1024.0)
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45
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46 /* s-iris3-6.h uses /vmunix */
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47
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48 #undef KERNEL_FILE
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49 #define KERNEL_FILE "/unix"
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50 #endif
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51
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52 /* Define NO_REMAP if memory segmentation makes it not work well
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53 to change the boundary between the text section and data section
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54 when Emacs is dumped. If you define this, the preloaded Lisp
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55 code will not be sharable; but that's better than failing completely. */
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56
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57 #define NO_REMAP
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58
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59 /* This machine requires completely different unexec code
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60 which lives in a separate file. Specify the file name. */
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61
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62 #ifdef USG5_4
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63 #undef UNEXEC
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64 #define UNEXEC "unexelfsgi.o"
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65 #else
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66 #define UNEXEC "unexmips.o"
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67 #endif
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68
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69 #define TEXT_START 0x400000
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70 #define DATA_START 0x10000000
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71
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72 #undef LIBS_MACHINE
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73 /* -lsun in case using Yellow Pages for passwords. */
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74 #define LIBS_DEBUG
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75
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76 /* Define this if you have a fairly recent system,
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77 in which crt1.o and crt1.n should be used. */
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78 #define HAVE_CRTN
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79
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80 #ifndef USG5_4
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81 #ifdef HAVE_CRTN
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82 /* Must define START-FILES so that the linker can find /usr/lib/crt0.o. */
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83 #define START_FILES "pre-crt0.o /usr/lib/crt1.o"
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84 #define LIB_STANDARD "-lc /usr/lib/crtn.o"
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85 #else
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86 #define START_FILES "pre-crt0.o /usr/lib/crt0.o"
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87 /* The entry-point label (start of text segment) is `start', not `__start'. */
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88 #define DEFAULT_ENTRY_ADDRESS start
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89 #define LIB_STANDARD "-lc"
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90 #endif
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91 #endif
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92
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93 /* Use terminfo instead of termcap. */
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94
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95 #define TERMINFO
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96
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97 /* Letter to use in finding device name of first pty,
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98 if system supports pty's. 'a' means it is /dev/ptya0 */
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99
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100 #undef FIRST_PTY_LETTER
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101 #define FIRST_PTY_LETTER 'q'
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