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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
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