src/m/delta.h

   1 /* machine description file for the Motorola delta running System V.3.
   2    tested on sys1147 (mvme147 - based system).
   3    Copyright (C) 1986 Free Software Foundation, Inc.
   4
   5 This file is part of GNU Emacs.
   6
   7 GNU Emacs is distributed in the hope that it will be useful,
   8 but WITHOUT ANY WARRANTY.  No author or distributor
   9 accepts responsibility to anyone for the consequences of using it
  10 or for whether it serves any particular purpose or works at all,
  11 unless he says so in writing.  Refer to the GNU Emacs General Public
  12 License for full details.
  13
  14 Everyone is granted permission to copy, modify and redistribute
  15 GNU Emacs, but only under the conditions described in the
  16 GNU Emacs General Public License.   A copy of this license is
  17 supposed to have been given to you along with GNU Emacs so you
  18 can know your rights and responsibilities.  It should be in a
  19 file named COPYING.  Among other things, the copyright notice
  20 and this notice must be preserved on all copies.  */
  21
  22
  23 /* The following line tells the configuration script what sort of
  24    operating system this machine is likely to run.
  25    USUAL-OPSYS="usg5-3"  */
  26
  27 /* The following three symbols give information on
  28  the size of various data types.  */
  29
  30 #define SHORTBITS 16            /* Number of bits in a short */
  31
  32 #define INTBITS 32              /* Number of bits in an int */
  33
  34 #define LONGBITS 32             /* Number of bits in a long */
  35
  36 /* Define BIG_ENDIAN iff lowest-numbered byte in a word
  37    is the most significant byte.  */
  38
  39 #define BIG_ENDIAN
  40
  41 /* Define NO_ARG_ARRAY if you cannot take the address of the first of a
  42  * group of arguments and treat it as an array of the arguments.  */
  43
  44 /* #define NO_ARG_ARRAY */
  45
  46 /* Define WORD_MACHINE if addresses and such have
  47  * to be corrected before they can be used as byte counts.  */
  48
  49 /* #define WORD_MACHINE */
  50
  51 /* Now define a symbol for the cpu type, if your compiler
  52    does not define it automatically:
  53    vax, m68000, ns16000, pyramid, orion, tahoe and APOLLO
  54    are the ones defined so far.  */
  55 #define m68000
  56 #define NO_REMAP
  57
  58 #define HAVE_SYSVIPC
  59
  60 #define HAVE_PTYS
  61 #define SYSV_PTYS
  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 #define SWITCH_ENUM_BUG
  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
  78 /* #define LOAD_AVE_TYPE long */
  79
  80 /* Convert that into an integer that is 100 for a load average of 1.0  */
  81
  82 /* #define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / FSCALE) */
  83
  84 /* Define CANNOT_DUMP on machines where unexec does not work.
  85    Then the function dump-emacs will not be defined
  86    and temacs will do (load "loadup") automatically unless told otherwise.  */
  87
  88 /* #define CANNOT_DUMP */
  89
  90 /* Define VIRT_ADDR_VARIES if the virtual addresses of
  91    pure and impure space as loaded can vary, and even their
  92    relative order cannot be relied on.
  93
  94    Otherwise Emacs assumes that data space precedes text space,
  95    numerically.  */
  96
  97 /* #define VIRT_ADDR_VARIES */
  98
  99 /* Define C_ALLOCA if this machine does not support a true alloca
 100    and the one written in C should be used instead.
 101    Define HAVE_ALLOCA to say that the system provides a properly
 102    working alloca function and it should be used.
 103    Define neither one if an assembler-language alloca
 104    in the file alloca.s should be used.  */
 105
 106 /*#define C_ALLOCA */
 107 /*#define HAVE_ALLOCA */
 108
 109 #ifdef __GNUC__
 110 /* easy. use builtin one. also be sure that no other ones are tried out. */
 111 # define alloca __builtin_alloca
 112 # define HAVE_ALLOCA
 113 # undef C_ALLOCA
 114 #else
 115 # ifdef C_ALLOCA
 116 #  define STACK_DIRECTION (-1)   /* C_ALLOCA needs to know about stack. */
 117 # else /* C_ALLOCA */
 118 #  ifndef HAVE_ALLOCA
 119 #   define BAT_ALLOCA            /* if not in library, alloca.s needs this. */
 120 #  endif /* HAVE_ALLOCA */
 121 # endif /* C_ALLOCA */
 122 #endif /* __GNUC__ */
 123
 124 /* The standard C library is -lcieee, not -lc.
 125    Also use the PW library, which contains alloca.
 126    DO NOT USE -lPW. That version of alloca is broken, at last until version
 127    SVR3V5.1 . -riku@field.fi */
 128
 129 #define LIB_STANDARD -lc
 130
 131 #define LIBS_TERMCAP -lcurses
 132
 133 /* define this if you want to use X11 */
 134 #undef HAVE_X_WINDOWS
 135
 136 #ifdef HAVE_X_WINDOWS
 137 /* debug switches enabled because of some difficulties w/X11 */
 138 # define C_DEBUG_SWITCH -g
 139 # define OBJECTS_MACHINE -lg
 140 # define C_OPTIMIZE_SWITCH
 141 # define CANNOT_DUMP
 142 /*# define XDEBUG*/
 143 # define X11
 144 /* X library implements these. */
 145 # define BSTRING
 146 /* X library is in 'nonstandard' location. */
 147 # define LD_SWITCH_MACHINE -L/usr/lib/X11/
 148 #else
 149 /* No sufficient justification for this.  */
 150 /* # define C_DEBUG_SWITCH */
 151 # define C_OPTIMIZE_SWITCH -O
 152 #endif /* HAVE_X_WINDOWS */
 153
 154 /* enable batdevice-dependent code to compile. */
 155 #define BAT68K
 156
 157 #define HAVE_SOCKETS
 158
 159 /* crt0.c should use the vax-bsd style of entry, with no dummy args.  */
 160
 161
 162 /* emacs's magic number isn't temacs's;
 163    temacs is writeable text (the default!).  */