/* machine description file for the Plexus running System V.2. Copyright (C) 1986, 2001, 2002, 2003, 2004, 2005, 2006, 2007 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, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ /* The following line tells the configuration script what sort of operating system this machine is likely to run. USUAL-OPSYS="usg5-2" */ /* Define WORDS_BIG_ENDIAN iff lowest-numbered byte in a word is the most significant byte. */ #define WORDS_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. */ /* Plexus predefines m68 instead of m68000. */ #define m68000 m68 /* 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. */ #undef LOAD_AVE_TYPE /* Convert that into an integer that is 100 for a load average of 1.0 */ #undef LOAD_AVE_CVT /* 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 text space precedes data space, numerically. */ #undef VIRT_ADDR_VARIES /* 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 /* Use the following on ld so we can use the gnu crt0 The plexus ld looks for start */ #define LD_SWITCH_MACHINE -e __start /* Use the PW library, which contains alloca. */ #define LIB_STANDARD -lPW -lc /* crt0.c should use the vax-bsd style of entry, with no dummy args. */ #define CRT0_DUMMIES zero1, zero2, /* This triggers some stuff to avoid a compiler bug */ #define TAHOE_REGISTER_BUG /* arch-tag: 78c607eb-b4f8-4750-b575-39670d979448 (do not change this comment) */