Initial revision

1 files changed, 193 insertions, 0 deletions

diff --git a/src/m/iris4d.h b/src/m/iris4d.h
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+/* machine description file for Iris-4D machines.  Use with s-iris3-6.h
+   Copyright (C) 1987 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 line tells the configuration script what sort of 
+   operating system this machine is likely to run.
+   USUAL-OPSYS="irix3-3"  */
+
+/* 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
+
+/* Define WORD_MACHINE if addresses and such have
+ * to be corrected before they can be used as byte counts.  */
+
+#undef WORD_MACHINE
+
+/* 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))
+
+/* Now define a symbol for the cpu type, if your compiler
+   does not define it automatically:
+   Ones defined so far include vax, m68000, ns16000, pyramid,
+   orion, tahoe, APOLLO and many others */
+
+#ifndef mips
+#define mips
+#endif
+
+#ifndef IRIS_4D
+#define IRIS_4D
+#endif
+
+/* Use type int rather than a union, to represent Lisp_Object */
+/* This is desirable for most machines.  */
+
+#define NO_UNION_TYPE
+
+/* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend
+   the 24-bit bit field into an int.  In other words, if bit fields
+   are always unsigned.
+
+   If you use NO_UNION_TYPE, this flag does not matter.  */
+
+#define EXPLICIT_SIGN_EXTEND
+
+/* Data type of load average, as read out of kmem.  */
+
+#define LOAD_AVE_TYPE long	/* This doesn't quite work on the 4D */
+
+/* Convert that into an integer that is 100 for a load average of 1.0  */
+
+#define LOAD_AVE_CVT(x) (int)(((double)(x)*100)/1024.0)
+
+/* s-iris3-6.h uses /vmunix */
+
+#undef KERNEL_FILE
+#define KERNEL_FILE "/unix"
+
+/* 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.  */
+
+#undef CANNOT_DUMP
+
+/* Define VIRT_ADDR_VARIES if the virtual addresses of
+   pure and impure space as loaded can vary, and even their
+   relative order cannot be relied on.
+
+   Otherwise Emacs assumes that text space precedes data space,
+   numerically.  */
+
+/* #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
+   code will not be sharable; but that's better than failing completely.  */
+
+#define NO_REMAP
+
+/* This machine requires completely different unexec code
+   which lives in a separate file.  Specify the file name.  */
+
+#define UNEXEC unexmips.o
+
+#define TEXT_START 0x400000
+
+/*
+ * DATA_SEG_BITS forces that bit to be or'd in with any pointers which
+ * are trying to access pure strings (as gnu-emacs only allows 24 bits
+ * for the value field of a LISP_OBJECT).
+ */
+
+#define DATA_START 0x10000000
+#define DATA_SEG_BITS	0x10000000
+
+#undef LIBS_MACHINE
+/* -lsun in case using Yellow Pages for passwords.  */
+#define LIBS_MACHINE -lsun -lmld
+#define LIBS_DEBUG
+
+/* Define this if you have a fairly recent system,
+   in which crt1.o and crt1.n should be used.  */
+#define HAVE_CRTN
+
+#ifdef HAVE_CRTN
+/* Must define START-FILES so that the linker can find /usr/lib/crt0.o.  */
+#define START_FILES pre-crt0.o /usr/lib/crt1.o
+#define LIB_STANDARD -lbsd -lc /usr/lib/crtn.o
+#else
+#define START_FILES pre-crt0.o /usr/lib/crt0.o
+/* The entry-point label (start of text segment) is `start', not `__start'.  */
+#define DEFAULT_ENTRY_ADDRESS start
+#define LIB_STANDARD -lbsd -lc
+#endif
+
+/* Use terminfo instead of termcap.  */
+
+#define TERMINFO
+
+/* sioctl.h should be included where appropriate.  */
+
+#define NEED_SIOCTL
+
+/* Letter to use in finding device name of first pty,
+  if system supports pty's.  'a' means it is /dev/ptya0  */
+
+#undef FIRST_PTY_LETTER
+#define FIRST_PTY_LETTER 'q'
+
+/* Define STACK_DIRECTION for alloca.c */
+
+#define STACK_DIRECTION -1
+
+/* 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 XMARKBIT(a) ((a) < 0)
+#define XSETMARKBIT(a,b) ((a) = ((a) & ~MARKBIT) | ((b) ? MARKBIT : 0))
+#define XUNMARK(a) ((a) = (((unsigned)(a) << INTBITS-GCTYPEBITS-VALBITS) >> INTBITS-GCTYPEBITS-VALBITS))