1/* amdahl machine description file 2 Copyright (C) 1987, 1999, 2001, 2002, 2003, 2004, 3 2005, 2006, 2007 Free Software Foundation, Inc. 4 5This file is part of GNU Emacs. 6 7GNU Emacs is free software; you can redistribute it and/or modify 8it under the terms of the GNU General Public License as published by 9the Free Software Foundation; either version 2, or (at your option) 10any later version. 11 12GNU Emacs is distributed in the hope that it will be useful, 13but WITHOUT ANY WARRANTY; without even the implied warranty of 14MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15GNU General Public License for more details. 16 17You should have received a copy of the GNU General Public License 18along with GNU Emacs; see the file COPYING. If not, write to 19the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 20Boston, MA 02110-1301, USA. */ 21 22/* 23This file for amdahl_uts created by modifying the template.h 24by Jishnu Mukerji 3/1/87 25 26The following line tells the configuration script what sort of 27operating system this machine is likely to run. 28USUAL-OPSYS="usg5-2-2" 29 30This file works with the Amdahl uts native C compiler. The 5.2u370 31compiler is so brain damaged that it is not even worth trying to use it. 32*/ 33 34/* Define WORDS_BIG_ENDIAN iff lowest-numbered byte in a word 35 is the most significant byte. */ 36 37#define WORDS_BIG_ENDIAN 38 39/* Define NO_ARG_ARRAY if you cannot take the address of the first of a 40 * group of arguments and treat it as an array of the arguments. */ 41 42#undef NO_ARG_ARRAY 43 44/* Define WORD_MACHINE if addresses and such have 45 * to be corrected before they can be used as byte counts. */ 46 47#define WORD_MACHINE /* not actually used anywhere yet! */ 48 49/* Now define a symbol for the cpu type, if your compiler 50 does not define it automatically: 51 vax, m68000, ns16000, pyramid, orion, tahoe and APOLLO 52 are the ones defined so far. */ 53 54/* uts gets defined automatically */ 55/* However for clarity define amdahl_uts */ 56#define amdahl_uts 57 58/* Use type int rather than a union, to represent Lisp_Object */ 59/* This is desirable for most machines. */ 60 61#define NO_UNION_TYPE 62 63/* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend 64 the 24-bit bit field into an int. In other words, if bit fields 65 are always unsigned. 66 67 If you use NO_UNION_TYPE, this flag does not matter. */ 68 69#define EXPLICIT_SIGN_EXTEND 70 71/* Data type of load average, as read out of kmem. */ 72 73/* #define LOAD_AVE_TYPE long*/ 74 75/* Convert that into an integer that is 100 for a load average of 1.0 */ 76 77/*#define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0)*/ 78 79/* Define CANNOT_DUMP on machines where unexec does not work. 80 Then the function dump-emacs will not be defined 81 and temacs will do (load "loadup") automatically unless told otherwise. */ 82 83/* #define CANNOT_DUMP 84 85/* Define VIRT_ADDR_VARIES if the virtual addresses of 86 pure and impure space as loaded can vary, and even their 87 relative order cannot be relied on. 88 89 Otherwise Emacs assumes that text space precedes data space, 90 numerically. */ 91 92/* #define VIRT_ADDR_VARIES*/ 93 94/* Define NO_REMAP if memory segmentation makes it not work well 95 to change the boundary between the text section and data section 96 when Emacs is dumped. If you define this, the preloaded Lisp 97 code will not be sharable; but that's better than failing completely. */ 98 99/*#define NO_REMAP*/ 100 101#define TERMINFO 102 103/* The usual definition of XINT, which involves shifting, does not 104 sign-extend properly on this machine. */ 105 106#define XINT(i) (((sign_extend_temp=(i)) & 0x00800000) \ 107 ? (sign_extend_temp | 0xFF000000) \ 108 : (sign_extend_temp & 0x00FFFFFF)) 109 110#ifdef emacs /* Don't do this when making xmakefile! */ 111extern int sign_extend_temp; 112#endif 113 114/* The following needed to load the proper crt0.o and to get the 115 proper declaration of data_start in the #undef NO_REMAP case */ 116 117#ifndef NO_REMAP 118#define START_FILES pre-crt0.o /lib/crt0.o 119#endif 120 121/* Perhaps this means that the optimizer isn't safe to use. */ 122 123#define C_OPTIMIZE_SWITCH 124 125/* Put text and data on non-segment boundary; makes image smaller */ 126 127#define LD_SWITCH_MACHINE -N 128 129/* When writing the 'xemacs' file, make text segment ro */ 130#define EXEC_MAGIC 0410 131 132/* Mask for address bits within a memory segment */ 133#define SEGSIZ 0x10000 /* Should this not be defined elsewhere ? */ 134#define SEGMENT_MASK (SEGSIZ - 1) 135 136/* Compensate for error in signal.h. */ 137#define NSIG_MINIMUM 20 138 139/* arch-tag: cf665976-ddb1-49b0-b383-371e17f36acf 140 (do not change this comment) */ 141