-/* machine description file for Mips machines.
- Copyright (C) 1987, 1990 Free Software Foundation, Inc.
+/* m- file for Mips machines.
+ Copyright (C) 1987, 1992, 1999, 2002, 2003, 2004,
+ 2005, 2006 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., 51 Franklin Street, Fifth Floor,
+Boston, MA 02110-1301, USA. */
-/* The following line tells the configuration script what sort of
+/* The following line tells the configuration script what sort of
operating system this machine is likely to run.
USUAL-OPSYS="note"
NOTE-START
-Use -opsystem=usg5-2-2 normally, or -opsystem=bsd4-3 with the BSD
-world.
+Use 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 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
+#if ! (defined (__MIPSEL__) || defined (MIPSEL) || defined (_MIPSEL))
+#define WORDS_BIG_ENDIAN
+#endif
/* 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 VIRT_ADDR_VARIES */
-/* 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. */
-
-#define C_ALLOCA
-/* #define HAVE_ALLOCA */
-
/* Define NO_REMAP if memory segmentation makes it not work well
to change the boundary between the text section and data section
when Emacs is dumped. If you define this, the preloaded Lisp
/* This machine requires completely different unexec code
which lives in a separate file. Specify the file name. */
+#if !defined(__linux__) && !defined(__NetBSD__)
+#undef UNEXEC
#define UNEXEC unexmips.o
+#endif /* not __linux__ && not __NetBSD__ */
/* 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
-#define LIBS_MACHINE -lmld
#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 /* bsd with elf */
+#else /* not BSD_SYSTEM */
+
+#if defined(__GNUC__) && defined(_ABIN32)
+#define LIBS_MACHINE
+#else
+#define LIBS_MACHINE -lmld
#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 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 XUINT(a) (((unsigned)(a) << (BITS_PER_INT-VALBITS)) >> (BITS_PER_INT-VALBITS))
-#define XUNMARK(a) ((a) = (((unsigned)(a) << INTBITS-GCTYPEBITS-VALBITS) >> INTBITS-GCTYPEBITS-VALBITS))
+#define XSET(var, type, ptr) \
+ ((var) = \
+ ((int)(type) << VALBITS) \
+ + (((unsigned) (ptr) << (BITS_PER_INT-VALBITS)) >> (BITS_PER_INT-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__ */
+
+/* arch-tag: 8fd020ee-78a7-4d87-96ce-6129f52f7bee
+ (do not change this comment) */