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428
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1 /* amdahl machine description file
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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 /*
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24 This file for amdahl_uts created by modifying the template.h
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25 by Jishnu Mukerji 3/1/87
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26
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27 The following line tells the configuration script what sort of
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28 operating system this machine is likely to run.
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29 USUAL-OPSYS="usg5-2-2"
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30
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31 This file works with the Amdahl uts native C compiler. The 5.2u370
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32 compiler is so brain damaged that it is not even worth trying to use it.
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33 */
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34
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35 /* Now define a symbol for the cpu type, if your compiler
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36 does not define it automatically:
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37 vax, m68000, ns16000, pyramid, orion, tahoe and APOLLO
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38 are the ones defined so far. */
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39
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40 /* uts gets defined automatically */
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41 /* However for clarity define amdahl_uts */
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42 #define amdahl_uts
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43
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44 /* Data type of load average, as read out of kmem. */
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45
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46 /* #define LOAD_AVE_TYPE long*/
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47
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48 /* Convert that into an integer that is 100 for a load average of 1.0 */
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49
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50 /*#define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0)*/
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51
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52 /* Define C_ALLOCA if this machine does not support a true alloca
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53 and the one written in C should be used instead.
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54 Define HAVE_ALLOCA to say that the system provides a properly
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55 working alloca function and it should be used.
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56 Define neither one if an assembler-language alloca
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57 in the file alloca.s should be used. */
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58
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59 #define C_ALLOCA
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60 /*#define HAVE_ALLOCA */
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61
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62 #ifdef HAVE_ALLOCA
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63 #define LIB_STANDARD "-lPW -lc"
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64 #endif
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65
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66 /* Define NO_REMAP if memory segmentation makes it not work well
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67 to change the boundary between the text section and data section
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68 when Emacs is dumped. If you define this, the preloaded Lisp
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69 code will not be sharable; but that's better than failing completely. */
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70
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71 /*#define NO_REMAP*/
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72
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73 #define TERMINFO
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74
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75 /* The usual definition of XINT, which involves shifting, does not
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76 sign-extend properly on this machine. */
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77
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78 #define XREALINT(i) (((sign_extend_temp=(i)) & 0x00800000) \
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79 ? (sign_extend_temp | 0xFF000000) \
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80 : (sign_extend_temp & 0x00FFFFFF))
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81
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82 #ifdef emacs /* Don't do this when making xmakefile! */
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83 extern int sign_extend_temp;
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84 #endif
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85
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86 /* The following needed to load the proper crt0.o and to get the
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87 proper declaration of data_start in the #undef NO_REMAP case */
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88
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89 #ifndef NO_REMAP
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90 #define START_FILES "pre-crt0.o /lib/crt0.o"
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91 #endif
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92
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93 /* Perhaps this means that the optimizer isn't safe to use. */
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94
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95 #define C_OPTIMIZE_SWITCH
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96
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97 /* Put text and data on non-segment boundary; makes image smaller */
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98
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99 #define LD_SWITCH_MACHINE "-N"
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100
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101 /* When writing the 'xemacs' file, make text segment ro */
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102 #define EXEC_MAGIC 0410
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103
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104 /* Mask for address bits within a memory segment */
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105 #define SEGSIZ 0x10000 /* Should this not be defined elsewhere ? */
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106 #define SEGMENT_MASK (SEGSIZ - 1)
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107
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108 /* Tell alloca.c which direction stack grows. */
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109 #define STACK_DIRECTION -1
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110
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111 /* Compensate for error in signal.h. */
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112 #if NSIG==19
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113 #undef NSIG
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114 #define NSIG 20
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115 #endif
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