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428
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1 /* machine description file for WICAT machines.
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2 Copyright (C) 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="usg5-2" */
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26
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27 /* Define WORD_MACHINE if addresses and such have
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28 * to be corrected before they can be used as byte counts. */
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29
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30 #undef WORD_MACHINE
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31
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32 /* Now define a symbol for the cpu type, if your compiler
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33 does not define it automatically:
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34 vax, m68000, ns16000 are the ones defined so far. */
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35
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36 #ifndef m68000
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37 #define m68000
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38 #endif
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39
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40 /* This flag is used only in alloca.s. */
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41 #define WICAT
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42
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43 /* XINT must explicitly sign-extend */
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44
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45 #define EXPLICIT_SIGN_EXTEND
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46
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47 /* Data type of load average, as read out of kmem. */
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48
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49 #undef LOAD_AVE_TYPE
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50
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51 /* Convert that into an integer that is 100 for a load average of 1.0 */
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52
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53 #undef LOAD_AVE_CVT
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54
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55 /* Define CANNOT_DUMP on machines where unexec does not work.
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56 Then the function dump-emacs will not be defined
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57 and temacs will do (load "loadup") automatically unless told otherwise. */
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58
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59 #undef CANNOT_DUMP
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60
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61 /* Define VIRT_ADDR_VARIES if the virtual addresses of
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62 pure and impure space as loaded can vary, and even their
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63 relative order cannot be relied on.
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64
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65 Otherwise Emacs assumes that text space precedes data space,
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66 numerically. */
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67
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68 #undef VIRT_ADDR_VARIES
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69
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70 /* Define C_ALLOCA if this machine does not support a true alloca
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71 and the one written in C should be used instead.
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72 Define HAVE_ALLOCA to say that the system provides a properly
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73 working alloca function and it should be used.
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74 Define neither one if an assembler-language alloca
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75 in the file alloca.s should be used. */
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76
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77 /* For the Wicat C compiler version 4.2, this can be removed
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78 and the alloca in alloca.s used. */
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79 #define C_ALLOCA
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80 #define STACK_DIRECTION -1 /* grows towards lower addresses on WICAT */
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81
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82 /* Define NO_REMAP if memory segmentation makes it not work well
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83 to change the boundary between the text section and data section
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84 when Emacs is dumped. If you define this, the preloaded Lisp
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85 code will not be sharable; but that's better than failing completely. */
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86
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87 #undef NO_REMAP
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88
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89 /* For WICAT, define TAHOE_REGISTER_BUG if you have a pre-4.2 C compiler */
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90
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91 #define TAHOE_REGISTER_BUG
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92
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93 /* pagesize definition */
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94
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95 #define EXEC_PAGESIZE 0x1000
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96
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97 /* Delete this for WICAT sys V releases before 2.0. */
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98
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99 #define LIB_STANDARD "-lc-nofp"
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100
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101 /* Special magic number */
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102
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103 #define EXEC_MAGIC MC68ROMAGIC
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104
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105 /* Special switches to give to ld. */
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106
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107 #define LD_SWITCH_MACHINE "-e __start -N"
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108
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109 /*
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110 * Define optimflags if you want to optimize.
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111 * - Set to null string for pre-4.2 C compiler
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112 * - Set to "-O -Wopt,-O-f" for 4.2
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113 */
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114
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115 #define C_OPTIMIZE_SWITCH /* -O -Wopt,-O-f */
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116
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117 /* For WICAT version supporting PTYs and select (currently internal only) */
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118
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119 #ifdef HAVE_PTYS
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120 #undef FIRST_PTY_LETTER
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121 #define FIRST_PTY_LETTER 'q'
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122 #endif
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123
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124 /* there is a select() in libcurses.a that causes a conflict so use termlib */
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125 #ifdef HAVE_SELECT
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126 #undef TERMINFO
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127 #define LIBS_TERMCAP "select.o -ltermlib"
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128 #endif
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