-/* machine description file for Mips machines.
- Copyright (C) 1987, 1990 Free Software Foundation, Inc.
+/* m- file for Mips machines.
+ Copyright (C) 1987, 1992, 1999 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)
+the Free Software Foundation; either version 2, or (at your option)
any later version.
GNU Emacs is distributed in the hope that it will be useful,
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 Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA. */
/* The following line tells the configuration script what sort of
USUAL-OPSYS="note"
NOTE-START
-Use -opsystem=usg5-2-2 normally, or -opsystem=bsd4-3 with the BSD
-world.
+Use m-mips4.h for RISCOS version 4; use s-bsd4-3.h with the BSD world.
+Note that the proper m- file for the Decstation is m-pmax.h.
NOTE-END */
-/* 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
+/* Define WORDS_BIG_ENDIAN iff lowest-numbered byte in a word
is the most significant byte. */
-#define BIG_ENDIAN
+#define WORDS_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 LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / 256.0)
+/* CDC EP/IX 1.4.3 uses /unix */
+
+#ifndef __linux__
+#undef KERNEL_FILE
+#define KERNEL_FILE "/unix"
+#endif /* not __linux__ */
+
/* 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 neither one if an assembler-language alloca
in the file alloca.s should be used. */
+#ifdef __GNUC__
+#define HAVE_ALLOCA
+#else
#define C_ALLOCA
-/* #define HAVE_ALLOCA */
+#endif
/* Define NO_REMAP if memory segmentation makes it not work well
to change the boundary between the text section and data section
/* This machine requires completely different unexec code
which lives in a separate file. Specify the file name. */
+#ifndef __linux__
+#undef UNEXEC
#define UNEXEC unexmips.o
+#endif /* not __linux__ */
/* Describe layout of the address space in an executing process. */
+#ifdef __linux__
+#define TEXT_START 0x00400000
+#define DATA_START 0x10000000
+#define DATA_SEG_BITS 0x10000000
+#else /* not __linux__ */
#define TEXT_START 0x400000
#define DATA_START 0x800000
+#endif /* __linux__ */
/* Alter some of the options used when linking. */
-#ifdef BSD
+#if !defined(NEWSOS5) && !defined(__linux__)
+#ifdef BSD_SYSTEM
-/* Supposedly the dec machine doesn't have this library.
+/* DECstations don't have this library.
#define LIBS_MACHINE -lmld */
#define LD_SWITCH_MACHINE -D 800000
#define LIBS_DEBUG
-#else
+#if defined (__NetBSD__) || defined (__OpenBSD__)
+#else /* bsd with elf */
+#define LINKER /bsd43/bin/ld
+#endif /* bsd with elf */
+#else /* not BSD_SYSTEM */
+#if defined(__GNUC__) && defined(_ABIN32)
+#define LIBS_MACHINE
+#else
#define LIBS_MACHINE -lmld
+#endif
+
#define LD_SWITCH_MACHINE -D 800000 -g3
#define START_FILES pre-crt0.o /usr/lib/crt1.o
#define LIB_STANDARD -lbsd -lc /usr/lib/crtn.o
#define LIBS_TERMCAP -lcurses
-#define C_SWITCH_SYSTEM -I/usr/include/bsd
+#define C_SWITCH_MACHINE -I/usr/include/bsd
#define C_DEBUG_SWITCH -O -g3
-#if defined(HAVE_X_WINDOWS) && defined(HAVE_X11)
-#define HAVE_VFORK /* Graciously provided by libX.a */
-#endif
-#endif
+#endif /* not BSD_SYSTEM */
+#endif /* not NEWSOS5 && not __linux__ */
\f
/* 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 XUINT(a) (((unsigned)(a) << (BITS_PER_INT-VALBITS)) >> (BITS_PER_INT-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 XSET(var, type, ptr) \
+ ((var) = \
+ ((int)(type) << VALBITS) \
+ + (((unsigned) (ptr) << (BITS_PER_INT-VALBITS)) >> (BITS_PER_INT-VALBITS)))
-#define XUNMARK(a) ((a) = (((unsigned)(a) << INTBITS-GCTYPEBITS-VALBITS) >> INTBITS-GCTYPEBITS-VALBITS))
+#define XUNMARK(a) \
+ ((a) = \
+ (((unsigned)(a) << (BITS_PER_INT-GCTYPEBITS-VALBITS)) \
+ >> (BITS_PER_INT-GCTYPEBITS-VALBITS)))
+\f
+#if !defined (NEWSOS5) && !defined (__linux__)
#ifdef USG
/* Cancel certain parts of standard sysV support. */
#undef static
/* Don't try to use SIGIO or FIONREAD even though they are defined. */
-#undef SIGIO
+#define BROKEN_SIGIO
#define BROKEN_FIONREAD
/* Describe special kernel features. */
#define HAVE_SYSVIPC
-#define HAVE_TIMEVAL
-#if defined(emacs)
+#if defined(emacs) && !defined(INHIBIT_BSD_TIME)
#include <bsd/sys/time.h>
#endif
-/* #define HAVE_SELECT
- The `select' in the system won't work for pipes,
- so don't use it. */
-
-#define HAVE_DUP2
-#define HAVE_GETWD
-#define HAVE_GETTIMEOFDAY
+/* The `select' in the system won't work for pipes, so don't use it. */
+#undef HAVE_SELECT /* override configuration decision */
#define HAVE_PTYS
#define HAVE_SOCKETS
#undef NOMULTIPLEJOBS
-#define utimes utime /* Someone should check this. */
/* ??? */
#define IRIS
-#endif
+#endif /* USG */
-#ifdef BSD
+#ifdef BSD_SYSTEM
#define COFF
#define TERMINFO
#undef MAIL_USE_FLOCK /* Someone should check this. */
#undef HAVE_UNION_WAIT
-#endif /* BSD */
+#endif /* BSD_SYSTEM */
+
+#endif /* not NEWSOS5 && not __linux__ */