HCoop / bpt / emacs.git / blame
| Commit | Line | Data |
|---|---|---|
| 20c428fd JB |
1 | /* machine description file for gec63 |
| 2 | Copyright (C) 1986 Free Software Foundation, Inc. | |
| 3 | ||
| 4 | This file is part of GNU Emacs. | |
| 5 | ||
| 6 | GNU Emacs is free software; you can redistribute it and/or modify | |
| 7 | it under the terms of the GNU General Public License as published by | |
| 17385adc | 8 | the Free Software Foundation; either version 2, or (at your option) |
| 20c428fd JB |
9 | any later version. |
| 10 | ||
| 11 | GNU Emacs is distributed in the hope that it will be useful, | |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 14 | GNU General Public License for more details. | |
| 15 | ||
| 16 | You should have received a copy of the GNU General Public License | |
| 17 | along with GNU Emacs; see the file COPYING. If not, write to | |
| 18 | the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
| 19 | ||
| 20 | ||
| 21 | /* The following line tells the configuration script what sort of | |
| 22 | operating system this machine is likely to run. | |
| 23 | USUAL-OPSYS="usg5-2" */ | |
| 24 | ||
| 25 | /* The following three symbols give information on | |
| 26 | the size of various data types. */ | |
| 27 | ||
| 28 | #define SHORTBITS 16 /* Number of bits in a short */ | |
| 29 | ||
| 30 | #define INTBITS 32 /* Number of bits in an int */ | |
| 31 | ||
| 32 | #define LONGBITS 32 /* Number of bits in a long */ | |
| 33 | ||
| 34 | /* GEC63 is big-endian: lowest numbered byte is most significant. */ | |
| 35 | ||
| 36 | #define BIG_ENDIAN | |
| 37 | ||
| 20c428fd JB |
38 | /* Say this machine is a 68000 */ |
| 39 | ||
| 40 | #define gec63 | |
| 41 | ||
| 42 | /* Use an int to represent Lisp_Object */ | |
| 43 | ||
| 44 | #define NO_UNION_TYPE | |
| 45 | ||
| 46 | /* GEC63 has alloca in the PW/ux63 library. */ | |
| 47 | #define LIB_STANDARD -lPW -lc | |
| 48 | #define HAVE_ALLOCA | |
| 49 | ||
| 50 | /* Do not define LOAD_AVE_TYPE or LOAD_AVE_CVT | |
| 51 | since there is no /dev/kmem */ | |
| 52 | ||
| 53 | #undef ADDR_CORRECT(x) | |
| 54 | #define NO_ARG_ARRAY | |
| 55 | ||
| 56 | #undef TERMCAP | |
| 57 | #define TERMINFO | |
| 58 | ||
| 59 | /* Define sizes of portions of a Lisp_Object. */ | |
| 60 | #define VALBITS 22 | |
| 61 | #define GCTYPEBITS 5 | |
| 62 | ||
| 63 | #define VALAMASK (((1<<VALBITS) - 1)| 0xF0000000L) | |
| 64 | ||
| 65 | #define XTYPE(a) ((enum Lisp_Type) (((a) >> VALBITS) & GCTYPEMASK)) | |
| 66 | #define XSETTYPE(a, b) ((a) = ((a) & VALAMASK) + ((int)(b) << VALBITS)) | |
| 67 | ||
| 68 | #define XPNTR(a) ((a) & VALAMASK) | |
| 69 | #define XSETPNTR(a, b) ((a) = ((a) & ~VALAMASK) + ((b) & VALAMASK)) | |
| 70 | ||
| 71 | #define XSET(var, type, ptr) \ | |
| 72 | ((var) = ((int)(type) << VALBITS) + ((int) (ptr) & VALAMASK)) | |
| 73 | ||
| 74 | /* Move some garbage-collector flag bits to different bit positions. */ | |
| 75 | #define ARRAY_MARK_FLAG (1 << 27) | |
| 76 | #define DONT_COPY_FLAG (1 << 26) | |
| 77 | ||
| 78 | #define NO_REMAP |