src/m/template.h

   1 /* machine description file template.
   2
   3 Copyright (C) 1985, 1986, 2001, 2002, 2003, 2004, 2005, 2006, 2007,
   4   2008, 2009, 2010  Free Software Foundation, Inc.
   5
   6 This file is part of GNU Emacs.
   7
   8 GNU Emacs is free software: you can redistribute it and/or modify
   9 it under the terms of the GNU General Public License as published by
  10 the Free Software Foundation, either version 3 of the License, or
  11 (at your option) any later version.
  12
  13 GNU Emacs is distributed in the hope that it will be useful,
  14 but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 GNU General Public License for more details.
  17
  18 You should have received a copy of the GNU General Public License
  19 along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
  20
  21 /* Now define a symbol for the cpu type, if your compiler
  22    does not define it automatically.
  23    Ones defined so far include m68k and many others */
  24
  25 /* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend
  26    the 24-bit bit field into an int.  In other words, if bit fields
  27    are always unsigned.
  28
  29    This flag only matters if you use USE_LISP_UNION_TYPE.  */
  30 #define EXPLICIT_SIGN_EXTEND
  31
  32 /* Data type of load average, as read out of kmem.  */
  33 #define LOAD_AVE_TYPE long
  34
  35 /* Convert that into an integer that is 100 for a load average of 1.0  */
  36 #define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / FSCALE)
  37
  38 /* Define VIRT_ADDR_VARIES if the virtual addresses of
  39    pure and impure space as loaded can vary, and even their
  40    relative order cannot be relied on.
  41
  42    Otherwise Emacs assumes that text space precedes data space,
  43    numerically.  */
  44 #define VIRT_ADDR_VARIES
  45
  46 /* After adding support for a new machine, modify the large case
  47    statement in configure.in to recognize reasonable
  48    configuration names, and add a description of the system to
  49    `etc/MACHINES'.
  50
  51    Check for any tests of $machine in configure.in, and add an entry
  52    for the new machine if needed.
  53
  54    If you've just fixed a problem in an existing configuration file,
  55    you should also check `etc/MACHINES' to make sure its descriptions
  56    of known problems in that configuration should be updated.  */
  57
  58 /* arch-tag: d7dae0a9-4f99-4939-bef9-5738e1f33955
  59    (do not change this comment) */