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1 /* m- file for LUNA 88000 running Mach.
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2
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3 originaly wrote by
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4 Jun. 26th '90
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5 Akitoshi MORISHIMA
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6 ohm@astem.or.jp
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7
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8 modified for mule-2.0 by
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9 Sep. 10th '94
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10 MUKAIGAWA Shin'ichi
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11 shin@ari.ncl.omron.co.jp
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12
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13 Copyright (C) 1990 Free Software Foundation, Inc.
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14
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15 This file is part of GNU Emacs.
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16
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17 GNU Emacs is distributed in the hope that it will be useful,
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18 but WITHOUT ANY WARRANTY. No author or distributor
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19 accepts responsibility to anyone for the consequences of using it
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20 or for whether it serves any particular purpose or works at all,
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21 unless he says so in writing. Refer to the GNU Emacs General Public
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22 License for full details.
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23
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24 Everyone is granted permission to copy, modify and redistribute
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25 GNU Emacs, but only under the conditions described in the
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26 GNU Emacs General Public License. A copy of this license is
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27 supposed to have been given to you along with GNU Emacs so you
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28 can know your rights and responsibilities. It should be in a
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29 file named COPYING. Among other things, the copyright notice
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30 and this notice must be preserved on all copies. */
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31
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32 /* Synched up with: Mule 2.0. Not in FSF. */
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33
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34 /* Define how to take a char and sign-extend into an int.
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35 On machines where char is signed, this is a no-op. */
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36
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37 #define SIGN_EXTEND_CHAR(c) (c)
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38
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39 /* XINT must explicitly sign-extend */
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40
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41 #define EXPLICIT_SIGN_EXTEND
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42
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43 /* Data type of load average, as read out of kmem. */
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44
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45 #define LOAD_AVE_TYPE long
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46
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47 /* Convert that into an integer that is 100 for a load average of 1.0 */
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48
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49 #define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / FSCALE)
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50
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51 /* On Mach, LSCALE is defined instead of FSCALE, in h/kernel.h, as 1000. */
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52
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53 #define FSCALE 1000
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54
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55 /* Mask for address bits within a memory segment */
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56 /* In other words, data segment starts from the address that is end of
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57 text segment rounded up to next (SEGMENT_MASK + 1) boundary. */
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58
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59 #define SEGSIZ 0x20000
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60 #define SEGMENT_MASK (SEGSIZ - 1)
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61
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62 /* macros to make unexec work right */
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63
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64 #define A_TEXT_OFFSET(HDR) sizeof(HDR)
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65 #define A_TEXT_SEEK(HDR) sizeof(HDR)
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66
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67 /* Define HAVE_ALLOCA to say that the system provides a properly
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68 working alloca function and it should be used.
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69 At least, gcc for 88000 supports inline alloca. */
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70
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71 #define HAVE_ALLOCA
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72
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73 /* Memory management mechanism is different on Mach, so emacs-supplied
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74 malloc.c does not work. */
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75
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76 #define SYSTEM_MALLOC
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77
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78 /* We want errno in crt0.c */
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79
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80 #define NEED_ERRNO
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81
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82 /* Mach has 'init_process()' in libc.a, conflicting with emacs'
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83 'init_process()', causing make to stop. So redefining that. */
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84
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85 #define init_process init_process_emacs
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86
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87 #define C_COMPILER gcc
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88
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89 #define LOAD_AVE_MACH
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90
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91 #define LIBS_MACHINE -lmach
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92
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93 #define LIB_X11_LIB -L/usr/lib/X11 -lX11 -lXwchar
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94
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95 #define CRT0_COMPILE cc -c -O -Demacs $(ALL_CFLAGS)
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