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428
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1 /* m- file for Mips machines.
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2 Copyright (C) 1987, 1992 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 Use m-mips4.h for RISCOS version 4; use s-bsd4-3.h with the BSD world.
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29 Note that the proper m- file for the Decstation is m-pmax.h.
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30 NOTE-END */
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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 Ones defined so far include vax, m68000, ns16000, pyramid,
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35 orion, tahoe, APOLLO and many others */
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36 #ifndef mips
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37 # define mips
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38 #endif
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39
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40 /* Data type of load average, as read out of kmem. */
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41
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42 #define LOAD_AVE_TYPE long
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43
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44 /* Convert that into an integer that is 100 for a load average of 1.0 */
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45
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46 #define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / 256.0)
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47
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48 #ifndef linux
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49 /* CDC EP/IX 1.4.3 uses /unix */
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50
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51 #undef KERNEL_FILE
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52 #define KERNEL_FILE "/unix"
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53 #endif /* ! linux */
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54
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55 /* Define C_ALLOCA if this machine does not support a true alloca
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56 and the one written in C should be used instead.
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57 Define HAVE_ALLOCA to say that the system provides a properly
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58 working alloca function and it should be used.
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59 Define neither one if an assembler-language alloca
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60 in the file alloca.s should be used. */
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61
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62 #ifdef __GNUC__
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63 #define HAVE_ALLOCA
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64 #else
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65 #define C_ALLOCA
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66 #endif
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67
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68 /* Define NO_REMAP if memory segmentation makes it not work well
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69 to change the boundary between the text section and data section
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70 when Emacs is dumped. If you define this, the preloaded Lisp
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71 code will not be sharable; but that's better than failing completely. */
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72
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73 #define NO_REMAP
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74
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75 /* This machine requires completely different unexec code
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76 which lives in a separate file. Specify the file name. */
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77
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78 #ifndef linux
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79 #define UNEXEC "unexmips.o"
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80 #endif /* !linux */
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81 /* Describe layout of the address space in an executing process. */
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82
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83 #ifdef linux
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84 #define TEXT_START 0x00400000
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85 #define DATA_START 0x10000000
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86 #else /* !linux */
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87 #define TEXT_START 0x400000
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88 #define DATA_START 0x800000
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89 #endif /* linux */
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90
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91 /* Alter some of the options used when linking. */
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92
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93 #if !defined(NEWSOS5) && !defined(linux)
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94 #ifdef BSD
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95
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96 /* DECstations don't have this library. */
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97 /* #define LIBS_MACHINE "-lmld" */
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98
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99 #define LD_SWITCH_MACHINE "-D 800000"
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100 #define LIBS_DEBUG
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101
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102 #define LINKER "/bsd43/bin/ld"
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103
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104 #else /* not BSD */
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105
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106 #undef LIBS_MACHINE
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107 #define LD_SWITCH_MACHINE "-D 800000 -g3"
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108 #define START_FILES "pre-crt0.o /usr/lib/crt1.o"
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109 #define LIB_STANDARD "-lbsd -lc /usr/lib/crtn.o"
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110 #define LIBS_TERMCAP "-lcurses"
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111
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112 #define C_SWITCH_MACHINE "-I/usr/include/bsd"
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113 #define C_DEBUG_SWITCH "-O -g3"
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114
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115 #endif /* not BSD */
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116 #endif /* !NEWSOS5 && !linux */
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117
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118 #if !defined(NEWSOS5) && !defined(linux)
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119 #ifdef USG
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120
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121 /* Don't try to use SIGIO even though it is defined. */
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122 #define BROKEN_SIGIO
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123
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124 /* Describe special kernel features. */
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125
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126 #if defined(emacs) && !defined(INHIBIT_BSD_TIME)
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127 #include <bsd/sys/time.h>
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128 #endif
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129
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130 /* The `select' in the system won't work for pipes, so don't use it. */
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131 #undef HAVE_SELECT /* override configuration decision */
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132
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133 /* ??? */
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134 #define IRIS
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135
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136 #endif /* USG */
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137
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138 #ifdef BSD
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139 #define COFF
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140 #define TERMINFO
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141 #undef MAIL_USE_FLOCK /* Someone should check this. */
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142 #endif /* BSD */
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143 #endif /* !NEWSOS5 && !linux */
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