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- /* m- file for Mips machines.
- Copyright (C) 1987, 1992, 1993, 1995 Free Software Foundation, Inc.
-
- This file contains some changes for our SVR4 based SINIX-Mips 5.4.
- I hope this is helpful to port the emacs to our RM?00 series and
- maybe to the DC/OSx (Mips-based) machines of Pyramid Inc.
- (Marco.Walther@mch.sni.de)
-
- 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 2, 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. */
-
- /* Synched up with: FSF 19.29. */
-
- /* The following line tells the configuration script what sort of
- operating system this machine is likely to run.
- USUAL-OPSYS="note"
-
- NOTE-START
- 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.
- This is the m- file for SNI RM*00 machines. Use s- sinix5-4.h file!
- With this the file mips-siemens.h is obsolete.
- NOTE-END */
-
- /* 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
-
- /* 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
-
- /* Convert that into an integer that is 100 for a load average of 1.0 */
-
- #define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / 256.0)
-
- /* CDC EP/IX 1.4.3 uses /unix */
-
- #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. */
-
- #ifdef __GNUC__
- #define HAVE_ALLOCA
- #else
- #define C_ALLOCA
- #endif
-
- /* 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
-
- /* Describe layout of the address space in an executing process. */
- /* MARCO ???
- */
- #define TEXT_START 0x400000
- /*
- #define DATA_START 0x10000000
- #define DATA_SEG_BITS 0x10000000
- */
- #ifdef UNEXEC
- #undef UNEXEC
- #endif
- #define UNEXEC unexelfsni.o
-
- #undef ORDINARY_LINK
-
- #undef LIBS_DEBUG
-
- /* Alter some of the options used when linking. */
-
- #define LIBS_MACHINE -lmld
- #define START_FILES pre-crt0.o /usr/ccs/lib/crt1.o /usr/ccs/lib/crti.o /usr/ccs/lib/values-Xt.o
-
- #ifdef LIB_STANDARD
- #undef LIB_STANDARD
- #endif
- #define LIB_STANDARD -lc /usr/ccs/lib/crtn.o
-
- #ifdef __GNUC__
- #define C_DEBUG_SWITCH
- #define C_OPTIMIZE_SWITCH -O
- #define LD_SWITCH_MACHINE
- #else
- #define C_DEBUG_SWITCH -DSYSV
- #define C_OPTIMIZE_SWITCH -DSYSV
- #define LD_SWITCH_MACHINE
- #endif
-