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- /* Machine description file for the Motorola Delta.
- Tested on mvme147 board using R3V7 without X. Tested with gcc.
- Tested on mvme167 board using R3V7 without X. Tested with cc, gnucc, gcc.
- Copyright (C) 1986, 1993, 1994 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 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. */
-
-
- /* The following line tells the configuration script what sort of
- operating system this machine is likely to run.
- USUAL-OPSYS="usg5-3" */
-
- /* 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. */
-
- /* #define WORD_MACHINE */
-
- /* 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 */
-
- #define m68000
- #define MOTOROLA_DELTA
-
- /* 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 / FSCALE) */
-
- /* 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 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 data space precedes text 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
-
- /* Some really obscure 4.2-based systems (like Sequent DYNIX)
- * do not support asynchronous I/O (using SIGIO) on sockets,
- * even though it works fine on tty's. If you have one of
- * these systems, define the following, and then use it in
- * config.h (or elsewhere) to decide when (not) to use SIGIO.
- *
- * You'd think this would go in an operating-system description file,
- * but since it only occurs on some, but not all, BSD systems, the
- * reasonable place to select for it is in the machine description
- * file.
- */
-
- /* #define NO_SOCK_SIGIO */
-
-
- /* Define these if you want to edit files up to 32Mbytes.
- Leaving them undefined (files up to 8 Mbytes) should be more efficient. */
-
- /* #define VALBITS 26
- #define GCTYPEBITS 5 */
-
- /* Undefine this if you don't want the machine slow down when a buffer
- is modified. */
-
- #define CLASH_DETECTION
-
- /* Machine specific stuff */
- #define HAVE_PTYS
- #define SYSV_PTYS
- #define HAVE_SELECT
- #ifdef HAVE_INET_SOCKETS /* this comes from autoconf */
- # define HAVE_SOCKETS /* NSE may or may not have been installed */
- #endif
- #define HAVE_TIMEVAL
- #define SIGNALS_VIA_CHARACTERS
- #define BROKEN_CLOSEDIR /* builtin closedir is interruptible */
- #undef HAVE_BCOPY /* b* functions are just stubs to mem* ones */
- #define bcopy(from,to,bytes) memcpy(to,from,bytes)
- #define bzero(to,bytes) memset(to,0,bytes)
- #define bcmp memcmp
- #define memmove(t,f,s) safe_bcopy(f,t,s) /* for overlapping copies */
- #undef KERNEL_FILE
- #define KERNEL_FILE "/sysv68"
- #undef LDAV_SYMBOL
- #ifdef SIGIO
- /* R3V7 has SIGIO, but interrupt input does not work yet.
- Let's go on with cbreak code. */
- /* # define INTERRUPT_INPUT */
- #endif
-
- /* The standard C library is -lc881, not -lc.
- -lbsd brings sigblock and sigsetmask.
- DO NOT USE -lPW. That version of alloca is broken in versions R3V5,
- R3V6, R3V7. -riku@field.fi -pot@cnuce.cnr.it. */
-
- #define LIB_STANDARD -lc881
- #define LIB_MATH -lm881
- #define LIBS_TERMCAP -lcurses
- #define LIBS_SYSTEM -lbsd
- #undef sigsetmask
-
- #ifdef HAVE_X_WINDOWS
- /* I have not tested X, but I think these are obsolete, so let's
- commment them -pot@cnuce.cnr.it */
- /* debug switches enabled because of some difficulties w/X11
- # define C_DEBUG_SWITCH -g
- # define OBJECTS_MACHINE -lg
- # define C_OPTIMIZE_SWITCH
- # define CANNOT_DUMP
- # define XDEBUG */
- /* X library is in 'nonstandard' location. */
- /* This should be taken care of by configure -pot@cnuce.cnr.it
- # define LD_SWITCH_MACHINE -L/usr/lib/X11/ */
- # define HAVE_RANDOM
- # define BROKEN_FIONREAD /* pearce@ll.mit.edu says this is needed. */
- # define HAVE_XSCREENNUMBEROFSCREEN
- # undef LIB_X11_LIB /* no shared libraries */
- # define LIB_X11_LIB -lX11
- # undef USG_SHARED_LIBRARIES /* once again, no shared libs */
- # undef LIBX11_SYSTEM /* no -lpt as usg5-3.h expects */
- # define LIBX11_SYSTEM -lnls -lnsl_s
- #endif /* HAVE_X_WINDOWS */
-
- #ifdef __GNUC__
- /* Use builtin alloca. Also be sure that no other ones are tried out. */
- # define alloca __builtin_alloca
- # define HAVE_ALLOCA
- /* Union lisp objects do not yet work as of 19.15. */
- /* # undef NO_UNION_TYPE */
-
- /* There are three ways to use the gnucc provided with R3V7. Either
- link /bin/ccd/cc to /bin/cc and then configure (supposing that CC
- is unset or set to cc). Or configure like this: `CC=/bin/ccd/cc
- configure', or else configure like this: `CC=gnucc configure'. */
-
- # ifdef __STDC__
- /* Compiling with gnucc (not through ccd). This means -traditional is
- not set. Let us set it, because gmalloc.c includes <stddef.h>,
- and we don't have that (as of SYSV68 R3V7).
- Removing the -finline-functions option to gnucc causes an
- executable emacs smaller by about 10%. */
- # define C_SWITCH_MACHINE -mfp0ret -m68881 -traditional -Dconst= -fdelayed-branch -fstrength-reduce -finline-functions -fcaller-saves
- # define LIB_GCC /lib/gnulib881
- # endif /* __STDC__ */
-
- #else
- /* Not __GNUC__, use the alloca in alloca.s. */
-
- /* Try to guess if we are using the Green Hills Compiler */
- # if defined mc68000 && defined MC68000
- /* Required only for use with Green Hills compiler:
- -ga Because alloca relies on stack frames. This option forces
- the Green Hills compiler to create stack frames even for
- functions with few local variables. */
- # define C_SWITCH_MACHINE -ga -O
- # define GAP_USE_BCOPY /* *++to = *++from is inefficient */
- # define BCOPY_UPWARD_SAFE 0
- # define BCOPY_DOWNWARD_SAFE 1 /* bcopy does: mov.b (%a1)+,(%a0)+ */
- # else
- /* We are using the standard AT&T Portable C Compiler */
- # define SWITCH_ENUM_BUG
- # endif
-
- #endif /* not __GNUC__ */
-