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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 /* Define WORD_MACHINE if addresses and such have
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33 * to be corrected before they can be used as byte counts. */
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34
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35 #undef WORD_MACHINE
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36
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37 /* Define how to take a char and sign-extend into an int.
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38 On machines where char is signed, this is a no-op. */
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39
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40 #define SIGN_EXTEND_CHAR(c) ((signed char)(c))
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41
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42 /* Now define a symbol for the cpu type, if your compiler
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43 does not define it automatically:
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44 Ones defined so far include vax, m68000, ns16000, pyramid,
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45 orion, tahoe, APOLLO and many others */
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46 #ifndef mips
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47 # define mips
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48 #endif
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49
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50 /* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend
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51 the bit field into an int. In other words, if bit fields
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52 are always unsigned.
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53
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54 If you use NO_UNION_TYPE, this flag does not matter. */
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55
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56 #define EXPLICIT_SIGN_EXTEND
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57
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58 /* Data type of load average, as read out of kmem. */
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59
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60 #define LOAD_AVE_TYPE long
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61
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62 /* Convert that into an integer that is 100 for a load average of 1.0 */
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63
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64 #define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / 256.0)
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65
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66 /* CDC EP/IX 1.4.3 uses /unix */
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67
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68 #undef KERNEL_FILE
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69 #define KERNEL_FILE "/unix"
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70
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71 /* Define CANNOT_DUMP on machines where unexec does not work.
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72 Then the function dump-emacs will not be defined
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73 and temacs will do (load "loadup") automatically unless told otherwise. */
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74
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75 #undef CANNOT_DUMP
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76
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77 /* Define VIRT_ADDR_VARIES if the virtual addresses of
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78 pure and impure space as loaded can vary, and even their
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79 relative order cannot be relied on.
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80
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81 Otherwise Emacs assumes that text space precedes data space,
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82 numerically. */
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83
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84 /* #define VIRT_ADDR_VARIES */
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85
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86 /* Define C_ALLOCA if this machine does not support a true alloca
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87 and the one written in C should be used instead.
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88 Define HAVE_ALLOCA to say that the system provides a properly
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89 working alloca function and it should be used.
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90 Define neither one if an assembler-language alloca
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91 in the file alloca.s should be used. */
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92
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93 #ifdef __GNUC__
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94 #define HAVE_ALLOCA
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95 #else
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96 #define C_ALLOCA
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97 #endif
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98
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99 /* Define NO_REMAP if memory segmentation makes it not work well
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100 to change the boundary between the text section and data section
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101 when Emacs is dumped. If you define this, the preloaded Lisp
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102 code will not be sharable; but that's better than failing completely. */
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103
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104 #define NO_REMAP
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105
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106 /* This machine requires completely different unexec code
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107 which lives in a separate file. Specify the file name. */
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108
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163
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109 #define UNEXEC "unexmips.o"
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0
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110
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111 /* Describe layout of the address space in an executing process. */
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112
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113 #define TEXT_START 0x400000
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114 #define DATA_START 0x800000
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115
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116 /* Alter some of the options used when linking. */
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117
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118 #ifndef NEWSOS5
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119 #ifdef BSD
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120
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163
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121 /* DECstations don't have this library. */
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122 /* #define LIBS_MACHINE "-lmld" */
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0
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123
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163
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124 #define LD_SWITCH_MACHINE "-D 800000"
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125 #define LIBS_DEBUG
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126
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163
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127 #define LINKER "/bsd43/bin/ld"
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128
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129 #else /* not BSD */
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130
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163
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131 #define LIBS_MACHINE "-lmld"
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132 #define LD_SWITCH_MACHINE "-D 800000 -g3"
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133 #define START_FILES "pre-crt0.o /usr/lib/crt1.o"
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134 #define LIB_STANDARD "-lbsd -lc /usr/lib/crtn.o"
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135 #define LIBS_TERMCAP "-lcurses"
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0
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136
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163
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137 #define C_SWITCH_MACHINE "-I/usr/include/bsd"
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138 #define C_DEBUG_SWITCH "-O -g3"
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139
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140 #endif /* not BSD */
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141 #endif /* not NEWSOS5 */
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142
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143 #ifndef NEWSOS5
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144 #ifdef USG
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145
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146 /* Don't try to use SIGIO even though it is defined. */
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147 #define BROKEN_SIGIO
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148
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149 /* Describe special kernel features. */
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150
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151 #if defined(emacs) && !defined(INHIBIT_BSD_TIME)
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152 #include <bsd/sys/time.h>
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153 #endif
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154
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155 /* The `select' in the system won't work for pipes, so don't use it. */
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156 #undef HAVE_SELECT /* override configuration decision */
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157
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158 #define HAVE_PTYS
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159
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160 /* ??? */
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161 #define IRIS
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162
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163 #endif /* USG */
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164
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165 #ifdef BSD
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166 #define COFF
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167 #define TERMINFO
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168 #undef MAIL_USE_FLOCK /* Someone should check this. */
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169 #endif /* BSD */
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170 #endif /* not NEWSOS5 */
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