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- /* machine description file for U-station (Nihon Unisys, SS5E; Sumitomo Denkoh, U-Station E30).
- 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 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 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="usg5-3" */
-
- /* 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
-
- /* Define NO_ARG_ARRAY if you cannot take the address of the first of a
- * group of arguments and treat it as an array of the arguments. */
-
- #undef NO_ARG_ARRAY
-
- /* Define WORD_MACHINE if addresses and such have
- * to be corrected before they can be used as byte counts. */
-
- #undef WORD_MACHINE
-
- /* Now define a symbol for the cpu type, if your compiler
- does not define it automatically:
- vax, m68000, ns16000, pyramid, orion, tahoe and APOLLO
- are the ones defined so far. */
- /* Masscomp predefines mc68000. */
-
- #define m68000 mc68000
-
- /* Use type int rather than a union, to represent Lisp_Object */
- /* This is desirable for most machines. */
-
- #define NO_UNION_TYPE
-
- /* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend
- the 24-bit bit field into an int. In other words, if bit fields
- are always unsigned.
-
- If you use NO_UNION_TYPE, this flag does not matter. */
-
- #undef EXPLICIT_SIGN_EXTEND
-
- /* Data type of load average, as read out of kmem. */
-
- #define LOAD_AVE_TYPE double
-
- /* Convert that into an integer that is 100 for a load average of 1.0 */
-
- #define LOAD_AVE_CVT(x) ((int) ((x) * 100.0))
-
- /* Define CANNOT_DUMP on machines where unexec does not work.
- Then the function dump-emacs will not be defined
- and temacs will do (load "loadup") automatically unless told otherwise. */
-
- #undef CANNOT_DUMP
-
- /* Define VIRT_ADDR_VARIES if the virtual addresses of
- pure and impure space as loaded can vary, and even their
- relative order cannot be relied on.
-
- Otherwise Emacs assumes that data space precedes text space,
- numerically. */
-
- #undef VIRT_ADDR_VARIES
-
- /* Define C_ALLOCA if this machine does not support a true alloca
- and the one written in C should be used instead.
- Define HAVE_ALLOCA to say that the system provides a properly
- working alloca function and it should be used.
- Define neither one if an assembler-language alloca
- in the file alloca.s should be used. */
-
- /* On return from a subroutine, the 68020 compiler restores old contents of
- register variables relative to sp, so alloca() screws up such routines.
- The following definitions should work on all Masscomps. On the MC-5500
- (a 68000) one can #undef C_ALLOCA and #define HAVE_ALLOCA. */
-
- #define C_ALLOCA
- #undef HAVE_ALLOCA
-
- /* Define NO_REMAP if memory segmentation makes it not work well
- to change the boundary between the text section and data section
- when Emacs is dumped. If you define this, the preloaded Lisp
- code will not be sharable; but that's better than failing completely. */
-
- #undef NO_REMAP
-
- /* Name of file the to look in
- for the kernel symbol table (for load average) */
-
- #define KERNEL_FILE "/unix"
-
- /* This triggers some stuff to avoid a compiler bug */
-
- #define MASSC_REGISTER_BUG
-
- /* Prevent -lg from being used for debugging. Not implemented? */
-
- #define LIBS_DEBUG
-
- /*
- * Define HAVE_TERMIO if the system provides sysV-style ioctls
- * for terminal control.
- */
-
- #define HAVE_TERMIO
-
- /* -lnet is not standard library */
-
- #undef HAVE_SELECT
- #undef LIBS_SYSTEM
-
- /* Compiler's bug */
-
- #define SWITCH_ENUM_BUG
-
- /* Termcap is available */
-
- #define LIBS_TERMCAP -ltermcap
-
- #define EXEC_PAGESIZE 1024
- #define PURESIZE 130000
-
- #undef SIGIO
- #undef SIGTSTP
- #undef HAVE_TIMEVAL
-