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- /* m- file for pyramid with mips processor
- 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 */
-
- /* Define BIG_ENDIAN iff lowest-numbered byte in a word
- is the most significant byte. */
-
- #define 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. */
-
-
- #define NO_ARG_ARRAY
-
- #undef WORD_MACHINE
-
-
- /* XINT must explicitly sign extend */
-
- #define EXPLICIT_SIGN_EXTEND
-
- /* 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) ((signed char)(c))
-
-
- /* pyramid preprocessor defines "pyr", however the following is clearer */
- #define pyramid
-
- /* Don't use the union types any more. They were used until Emacs 17.45. */
-
- #define NO_UNION_TYPE
-
- /* Data type of load average, as read out of kmem. */
-
- #define LOAD_AVE_TYPE double /* might be long TODO */
-
- /* Convert that into an integer that is 100 for a load average of 1.0 */
-
- #define LOAD_AVE_CVT(x) ((int) ((x) * 100.0))
-
- /* Don't use the ordinary -g for debugging in cc */
- /* 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. */
-
- #define CANNOT_DUMP
-
- /* Define C_ALLOCA if this machine does not support a true alloca
- and the one written in C should be used instead.
- Define HAVE_ALLOCA to say that the system provides a properly
- working alloca function and it should be used.
- Define neither one if an assembler-language alloca
- in the file alloca.s should be used. */
-
- /* these are needed! */
- #define HAVE_ALLOCA
- #define SYSTEM_MALLOC
-
- /*
- * most of the rest is from m-mips.h
- * but there was too much in that that we didn't want
- */
- /* #define NO_REMAP /* don't adjust data_start */
-
-
- /* The standard definitions of these macros would work ok,
- but these are faster because the constants are short. */
-
- #define XUINT(a) (((unsigned)(a) << INTBITS-VALBITS) >> INTBITS-VALBITS)
-
- #define XSET(var, type, ptr) \
- ((var) = ((int)(type) << VALBITS) + (((unsigned) (ptr) << INTBITS-VALBITS) >> INTBITS-VALBITS))
-
- #define XSETINT(a, b) XSET(a, XTYPE(a), b)
- #define XSETUINT(a, b) XSET(a, XTYPE(a), b)
- #define XSETPNTR(a, b) XSET(a, XTYPE(a), b)
-
- #define XUNMARK(a) ((a) = (((unsigned)(a) << INTBITS-GCTYPEBITS-VALBITS) >> INTBITS-GCTYPEBITS-VALBITS))
-
- /* Cancel certain parts of standard sysV support. */
- #undef NONSYSTEM_DIR_LIBRARY
- #define SYSV_SYSTEM_DIR
- #undef static
-
- /* Don't try to use SIGIO or FIONREAD even though they are defined. */
- #undef SIGIO
- #define BROKEN_FIONREAD
-
- /* Describe special kernel features. */
-
- #define HAVE_SYSVIPC
-
- #define C_DEBUG_SWITCH -gx
-
-