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Diffstat (limited to 'src/m-sun1.h')
-rw-r--r-- | src/m-sun1.h | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/src/m-sun1.h b/src/m-sun1.h new file mode 100644 index 00000000000..529e40eb7b9 --- /dev/null +++ b/src/m-sun1.h @@ -0,0 +1,68 @@ +/* m- file for Sun 68000's + Copyright (C) 1985, 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 1, 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 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 */ + +/* 68000 has lowest-numbered byte as most significant */ + +#define BIG_ENDIAN + +/* Define how to take a char and sign-extend into an int. + On machines where char is signed, this is a no-op. */ + +#define SIGN_EXTEND_CHAR(c) (c) + +/* Say this machine is a 68000 */ + +#define m68000 + +/* Use type int rather than a union, to represent Lisp_Object */ + +#define NO_UNION_TYPE + +/* Sun can't write competant compilers */ +#define COMPILER_REGISTER_BUG + +/* XINT must explicitly sign-extend */ + +#define EXPLICIT_SIGN_EXTEND + +/* Data type of load average, as read out of kmem. */ + +#define LOAD_AVE_TYPE long + +/* Convert that into an integer that is 100 for a load average of 1.0 */ + +#define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / FSCALE) + +/* Must use the system's termcap. It does special things. */ + +#define LIBS_TERMCAP -ltermcap + +/* Mask for address bits within a memory segment */ + +#define SEGMENT_MASK (SEGSIZ - 1) |