1/* machine description for Harris NightHawk 88k based machines 2 (includes nh4000 and nh5000 machines). 3 Copyright (C) 1994, 2001, 2002, 2003, 2004, 2005, 4 2006, 2007 Free Software Foundation, Inc. 5 6This file is part of GNU Emacs. 7 8GNU Emacs is free software; you can redistribute it and/or modify 9it under the terms of the GNU General Public License as published by 10the Free Software Foundation; either version 2, or (at your option) 11any later version. 12 13GNU Emacs is distributed in the hope that it will be useful, 14but WITHOUT ANY WARRANTY; without even the implied warranty of 15MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16GNU General Public License for more details. 17 18You should have received a copy of the GNU General Public License 19along with GNU Emacs; see the file COPYING. If not, write to 20the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 21Boston, MA 02110-1301, USA. */ 22 23/* This file manually constructed for Harris Night Hawk 4000 (and 5000) 24 * series Motorola 88100 and 88110 based machines. 25 */ 26 27/* The following line tells the configuration script what sort of 28 operating system this machine is likely to run. 29 USUAL-OPSYS="<name of system .h file here, without the s- or .h>" */ 30 31/* Define NO_ARG_ARRAY if you cannot take the address of the first of a 32 * group of arguments and treat it as an array of the arguments. */ 33 34#define NO_ARG_ARRAY 35 36/* Define WORD_MACHINE if addresses and such have 37 * to be corrected before they can be used as byte counts. */ 38 39/* #define WORD_MACHINE */ 40 41/* Now define a symbol for the cpu type, if your compiler 42 does not define it automatically: 43 Ones defined so far include vax, m68000, ns16000, pyramid, 44 orion, tahoe, APOLLO and many others */ 45 46#ifndef m88000 47#define m88000 48#endif 49 50/* Use type int rather than a union, to represent Lisp_Object */ 51/* This is desirable for most machines. */ 52 53#define NO_UNION_TYPE 54 55/* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend 56 the bit field into an int. In other words, if bit fields 57 are always unsigned. 58 59 If you use NO_UNION_TYPE, this flag does not matter. */ 60 61/* #define EXPLICIT_SIGN_EXTEND */ 62 63/* Data type of load average, as read out of kmem. */ 64 65#define LOAD_AVE_TYPE long 66 67/* Convert that into an integer that is 100 for a load average of 1.0 */ 68 69#define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / FSCALE) 70 71/* Define CANNOT_DUMP on machines where unexec does not work. 72 Then the function dump-emacs will not be defined 73 and temacs will do (load "loadup") automatically unless told otherwise. */ 74 75/* #define CANNOT_DUMP */ 76 77/* Define VIRT_ADDR_VARIES if the virtual addresses of 78 pure and impure space as loaded can vary, and even their 79 relative order cannot be relied on. 80 81 Otherwise Emacs assumes that text space precedes data space, 82 numerically. */ 83 84/* #define VIRT_ADDR_VARIES */ 85 86/* Define NO_REMAP if memory segmentation makes it not work well 87 to change the boundary between the text section and data section 88 when Emacs is dumped. If you define this, the preloaded Lisp 89 code will not be sharable; but that's better than failing completely. */ 90 91#define NO_REMAP 92 93/* Some really obscure 4.2-based systems (like Sequent DYNIX) 94 * do not support asynchronous I/O (using SIGIO) on sockets, 95 * even though it works fine on tty's. If you have one of 96 * these systems, define the following, and then use it in 97 * config.h (or elsewhere) to decide when (not) to use SIGIO. 98 * 99 * You'd think this would go in an operating-system description file, 100 * but since it only occurs on some, but not all, BSD systems, the 101 * reasonable place to select for it is in the machine description 102 * file. 103 */ 104 105/* #define NO_SOCK_SIGIO */ 106 107/* arch-tag: d9e12769-ae79-4c25-953f-70db5b7ef5dd 108 (do not change this comment) */ 109