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[chise/xemacs-chise.git-] / src / m / sun1.h

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+/* machine description file for Sun 68000's
+   Copyright (C) 1985, 1986 Free Software Foundation, Inc.
+
+This file is part of GNU Emacs.
+
+GNU Emacs is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Emacs is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with XEmacs; see the file COPYING.  If not, write to
+the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+/* Synched up with: FSF 19.31. */
+
+/* The following line tells the configuration script what sort of 
+   operating system this machine is likely to run.
+   USUAL-OPSYS="note"
+
+NOTE-START
+Sun 1, 2 and 3 (-machine=sun1, -machine=sun2, -machine=sun3;
+                -opsystem=bsd4-2 or -opsystem=sunos4)
+
+  Whether you should use sun1, sun2 or sun3 depends on the
+                  VERSION OF THE OPERATING SYSTEM
+  you have.  There are three machine types for different versions of
+  SunOS.  All are derived from Berkeley 4.2, meaning that you should
+  use -opsystem=bsd4-2.  Emacs 17 has run on all of them.  You will
+  need to use sun3 on Sun 2's running SunOS release 3.
+
+  For SunOS release 4 on a Sun 3, use -machine=sun3 and
+  -opsystem=sunos4.  See the file share-lib/SUNBUG for how to solve
+  problems caused by bugs in the "export" version of SunOS 4.
+NOTE-END  */
+
+/* Say this machine is a 68000 */
+
+#define m68000
+
+/* Sun can't write competent compilers */
+#define COMPILER_REGISTER_BUG
+
+/* Data type of load average, as read out of kmem.  */
+
+#define LOAD_AVE_TYPE long
+
+/* Convert that into an integer that is 100 for a load average of 1.0  */
+
+#define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / FSCALE)
+
+/* Must use the system's termcap.  It does special things.  */
+
+#define LIBS_TERMCAP "-ltermcap"
+
+/* Mask for address bits within a memory segment */
+
+#define SEGMENT_MASK (SEGSIZ - 1)