src/m/delta88k.h

   1 /* Machine description file for Motorola System V/88 machines
   2    Copyright (C) 1985 Free Software Foundation, Inc.
   3
   4 This file is part of GNU Emacs.
   5
   6 GNU Emacs is free software; you can redistribute it and/or modify
   7 it under the terms of the GNU General Public License as published by
   8 the Free Software Foundation; either version 2, or (at your option)
   9 any later version.
  10
  11 GNU Emacs is distributed in the hope that it will be useful,
  12 but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 GNU General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with GNU Emacs; see the file COPYING.  If not, write to
  18 the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
  19
  20
  21 /* The following line tells the configuration script what sort of
  22    operating system this machine is likely to run.
  23    USUAL-OPSYS="usg5-3"  */
  24
  25 /* The following three symbols give information on
  26  the size of various data types.  */
  27
  28
  29 #define SHORTBITS 16            /* Number of bits in a short */
  30
  31 #define INTBITS 32              /* Number of bits in an int */
  32
  33 #define LONGBITS 32             /* Number of bits in a long */
  34
  35 /* Define BIG_ENDIAN iff lowest-numbered byte in a word
  36    is the most significant byte.  */
  37
  38 #define BIG_ENDIAN
  39
  40 /* Define NO_ARG_ARRAY if you cannot take the address of the first of a
  41  * group of arguments and treat it as an array of the arguments.  */
  42
  43 #define NO_ARG_ARRAY
  44
  45 /* Define WORD_MACHINE if addresses and such have
  46  * to be corrected before they can be used as byte counts.  */
  47
  48 /* #define WORD_MACHINE */
  49
  50 /* Now define a symbol for the cpu type, if your compiler
  51    does not define it automatically:
  52    Ones defined so far include vax, m68000, ns16000, pyramid,
  53    orion, tahoe, APOLLO and many others */
  54
  55 #ifndef m88000     /* Some 88k C compilers already define this */
  56 #define m88000
  57 #endif
  58
  59 /* Now define a symbol for the cpu type, if your compiler
  60    does not define it automatically.  */
  61
  62
  63 /* Use type int rather than a union, to represent Lisp_Object */
  64 /* This is desirable for most machines.  */
  65
  66 #define NO_UNION_TYPE
  67
  68 /* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend
  69    the 24-bit bit field into an int.  In other words, if bit fields
  70    are always unsigned.
  71
  72    If you use NO_UNION_TYPE, this flag does not matter.  */
  73
  74 /* #define EXPLICIT_SIGN_EXTEND */
  75
  76 /* Data type of load average, as read out of kmem.  */
  77 /* No load average on Motorola machines. */
  78 /* #define LOAD_AVE_TYPE double */
  79
  80 /* Convert that into an integer that is 100 for a load average of 1.0  */
  81 /* #define LOAD_AVE_CVT(x) ((int) ((x) * 100.0)) */
  82
  83 /* Define CANNOT_DUMP on machines where unexec does not work.
  84    Then the function dump-emacs will not be defined
  85    and temacs will do (load "loadup") automatically unless told otherwise.  */
  86
  87 /* #define CANNOT_DUMP  */
  88
  89 /* Define VIRT_ADDR_VARIES if the virtual addresses of
  90    pure and impure space as loaded can vary, and even their
  91    relative order cannot be relied on.
  92
  93    Otherwise Emacs assumes that text space precedes data space,
  94    numerically.  */
  95
  96 /* #define VIRT_ADDR_VARIES */
  97
  98 /* Define NO_REMAP if memory segmentation makes it not work well
  99    to change the boundary between the text section and data section
 100    when Emacs is dumped.  If you define this, the preloaded Lisp
 101    code will not be sharable; but that's better than failing completely.  */
 102
 103 #define NO_REMAP
 104
 105 /* Define C_ALLOCA if this machine does not support a true alloca
 106    and the one written in C should be used instead.
 107    Define HAVE_ALLOCA to say that the system provides a properly
 108    working alloca function and it should be used.
 109    Define neither one if an assembler-language alloca
 110    in the file alloca.s should be used.  */
 111
 112 /* BEM:  Distributed asm alloca doesn't work.  Don't know about libPW.a.
 113    C ALLOCA is safe and fast enough for now. */
 114
 115 #define C_ALLOCA
 116 #define STACK_DIRECTION -1  /* grows towards lower addresses. */
 117
 118 /* Motorola SysV has PTYs.  Not all usg3-5 systems do, so this is defined
 119    here. */
 120
 121 #define HAVE_PTYS
 122 #define SYSV_PTYS
 123
 124 /* Ditto for IPC. */
 125
 126
 127 /*
 128  * we now have job control in R32V1
 129  */
 130 #undef NOMULTIPLEJOBS
 131
 132 /*
 133  * we have bcopy, bzero, bcmp in libc.a (what isn't in libc.a?)
 134  */
 135 #define BSTRING
 136
 137 /*
 138  * sockets are in R32V1
 139  */
 140 #define HAVE_SOCKETS
 141
 142 /*
 143  * we have the wrong name for networking libs
 144  */
 145 #ifdef USG5_4
 146 /* rms: not needed; LIB_X11_LIB deals with this.  */
 147 /* #define LIBX11_SYSTEM -lX11 */
 148 #else
 149 #undef LIBX11_SYSTEM
 150 #define LIBX11_SYSTEM -lnsl -lbsd
 151 #endif /* USG5_4 */
 152
 153 /*
 154  * we have Berkeley style <sys/time.h>
 155  */
 156 #define HAVE_TIMEVAL
 157
 158 /* SysV88 has select(). */
 159 #define HAVE_SELECT
 160 #define BROKEN_FIONREAD
 161
 162 /*
 163  * don't use utimes, we ain't got one - use utime() instead
 164  */
 165 #define USE_UTIME
 166
 167 /* previously defined in usg5-4, if we choose to use that.  */
 168 #ifndef LIBS_SYSTEM
 169 #ifdef USG5_4
 170 #define LIBS_SYSTEM -lsocket -lnsl
 171 #else
 172 #define LIBS_SYSTEM -lbsd -lg
 173 #endif /* USG5_4 */
 174 #endif
 175
 176 #define NEED_TERMIOS
 177
 178 #define NO_SIOCTL_H
 179
 180 #ifdef USG5_4
 181 #ifdef HAVE_X_WINDOWS
 182 #if 0 /* autoconf should take care of this. */
 183 #define HAVE_RANDOM
 184 #endif
 185 #else
 186 #undef BSTRING
 187 #endif /* HAVE_X_WINDOWS */
 188 #endif /* USG5_4 */
 189
 190 #define NO_PTY_H