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authorJim Blandy <jimb@redhat.com>1991-12-13 18:49:49 +0000
committerJim Blandy <jimb@redhat.com>1991-12-13 18:49:49 +0000
commit20c428fd9d239eca0a835e3b0fe2629e789ce562 (patch)
treec9dc47c923acc0f7db3dd699bd7e38e7b20893cc /src/m/nu.h
parent20a8832d8461fec6001e0f9d09bbb4731c585a84 (diff)
downloademacs-20c428fd9d239eca0a835e3b0fe2629e789ce562.tar.gz
Initial revision
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+/* machine description file for TI Nu machines using system V.
+ Copyright (C) 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 1, 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 GNU Emacs; see the file COPYING. If not, write to
+the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+
+/* The following line tells the configuration script what sort of
+ operating system this machine is likely to run.
+ USUAL-OPSYS="usg5-2" */
+
+/* The following three symbols give information on
+ the size of various data types. */
+
+#define SHORTBITS 16 /* Number of bits in a short */
+
+#define INTBITS 32 /* Number of bits in an int */
+
+#define LONGBITS 32 /* Number of bits in a long */
+
+/* Define BIG_ENDIAN iff lowest-numbered byte in a word
+ is the most significant byte. */
+
+#define BIG_ENDIAN
+
+/* XINT must explicitly sign-extend */
+
+#define EXPLICIT_SIGN_EXTEND
+
+/* Define how to take a char and sign-extend into an int.
+ On machines where char is signed, this is a no-op. */
+
+#define SIGN_EXTEND_CHAR(c) (c)
+
+/* Use type int rather than a union, to represent Lisp_Object */
+
+#define NO_UNION_TYPE
+
+/* Now define a symbol for the cpu type, if your compiler
+ does not define it automatically:
+ vax, m68000, ns16000 are the ones defined so far. */
+
+#ifndef m68000
+#define m68000
+#endif
+
+#ifndef NU
+#define NU
+#endif
+
+/* Data type of load average, as read out of kmem. */
+/* These are commented out since it does not really work in uniplus */
+
+/* #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) */
+
+/* Change some things to avoid bugs in compiler */
+
+#define SWITCH_ENUM_BUG 1
+
+/* The NU machine has a compiler that can handle long names. */
+
+#undef SHORTNAMES
+
+/* Specify alignment requirement for start of text and data sections
+ in the executable file. */
+
+#define SECTION_ALIGNMENT pagemask