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129 lines
4.1 KiB
C
129 lines
4.1 KiB
C
/* machine description file for the NCR Tower 32 running System V.2.
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Copyright (C) 1986 Free Software Foundation, Inc.
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This file is part of GNU Emacs.
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GNU Emacs is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Emacs is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Emacs; see the file COPYING. If not, write to
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the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
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/* The following line tells the configuration script what sort of
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operating system this machine is likely to run.
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USUAL-OPSYS="usg5-2-2" */
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/* The following three symbols give information on
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the size of various data types. */
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#define SHORTBITS 16 /* Number of bits in a short */
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#define INTBITS 32 /* Number of bits in an int */
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#define LONGBITS 32 /* Number of bits in a long */
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/* Define BIG_ENDIAN iff lowest-numbered byte in a word
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is the most significant byte. */
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#define BIG_ENDIAN
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/* Define NO_ARG_ARRAY if you cannot take the address of the first of a
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* group of arguments and treat it as an array of the arguments. */
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/* #define NO_ARG_ARRAY */
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/* Define WORD_MACHINE if addresses and such have
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* to be corrected before they can be used as byte counts. */
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/* #define WORD_MACHINE */
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/* Now define a symbol for the cpu type, if your compiler
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does not define it automatically:
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vax, m68000, ns16000, pyramid, orion, tahoe and APOLLO
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are the ones defined so far. */
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#define m68000
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/* Use type int rather than a union, to represent Lisp_Object */
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/* This is desirable for most machines. */
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#define NO_UNION_TYPE
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/* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend
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the 24-bit bit field into an int. In other words, if bit fields
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are always unsigned.
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If you use NO_UNION_TYPE, this flag does not matter. */
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#define EXPLICIT_SIGN_EXTEND
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/* Data type of load average, as read out of kmem. */
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/* #define LOAD_AVE_TYPE long */
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/* Convert that into an integer that is 100 for a load average of 1.0 */
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/* #define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / FSCALE) */
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/* Define CANNOT_DUMP on machines where unexec does not work.
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Then the function dump-emacs will not be defined
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and temacs will do (load "loadup") automatically unless told otherwise. */
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/* #define CANNOT_DUMP */
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/* Define VIRT_ADDR_VARIES if the virtual addresses of
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pure and impure space as loaded can vary, and even their
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relative order cannot be relied on.
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Otherwise Emacs assumes that text space precedes data space,
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numerically. */
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/* #define VIRT_ADDR_VARIES */
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/* Define C_ALLOCA if this machine does not support a true alloca
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and the one written in C should be used instead.
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Define HAVE_ALLOCA to say that the system provides a properly
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working alloca function and it should be used.
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Define neither one if an assembler-language alloca
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in the file alloca.s should be used. */
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/* #define C_ALLOCA */
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#define HAVE_ALLOCA
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/* Change some things to avoid bugs in compiler */
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#define SWITCH_ENUM_BUG 1
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/* The standard C library is -lcieee, not -lc.
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Also use the PW library, which contains alloca. */
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#define LIB_STANDARD -lPW -lcieee
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/* crt0.c should use the vax-bsd style of entry. Beware that if you have
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OS release 2.00.00 or later, *and* change src/ymakefile so that CFLAGS
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includes C_OPTIMIZE_SWITCH rather than C_DEBUG_SWITCH, you need to
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uncomment CRT0_DUMMIES and C_OPTIMIZE_SWITCH below. */
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/* With the optimizer OFF */
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#define CRT0_DUMMIES zero, bogus_fp,
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/* With the optimizer ON */
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/* #define CRT0_DUMMIES */
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/* #define C_OPTIMIZE_SWITCH -O2 */
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/* emacs's magic number isn't temacs's;
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temacs is writeable text (the default!). */
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#include <asld.h>
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#define EXEC_MAGIC AOUT1MAGIC
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#define EXEC_PAGESIZE DATACLICK
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