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332d98c75d
(NSIG): Remove. (NSIG_MINIMUM): New macro. * m/cydra5.h, m/dpx2.h, m/mips.h, m/pfa50.h, m/sps7.h, m/stride.h, m/ustation.h: (SIGIO): Do not undef. (BROKEN_SIGIO): New macro. * m/ustation.h: (SIGTSTP): Do not undef. (BROKEN_SIGTSTP): New macro. * m/delta.h: Doc fix.
201 lines
7.2 KiB
C
201 lines
7.2 KiB
C
/* Machine description file for the Motorola Delta.
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Tested on mvme147 board using R3V7 without X. Tested with gcc.
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Tested on mvme167 board using R3V7 without X. Tested with cc, gnucc, gcc.
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Copyright (C) 1986, 1993, 1994, 1999 Free Software Foundation, Inc.
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This file is part of GNU Emacs.
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GNU Emacs is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Emacs is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Emacs; see the file COPYING. If not, write to
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the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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/* The following line tells the configuration script what sort of
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operating system this machine is likely to run.
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USUAL-OPSYS="usg5-3" */
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/* Define WORDS_BIG_ENDIAN iff lowest-numbered byte in a word
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is the most significant byte. */
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#define WORDS_BIG_ENDIAN
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/* Define NO_ARG_ARRAY if you cannot take the address of the first of a
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* group of arguments and treat it as an array of the arguments. */
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/* #define NO_ARG_ARRAY */
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/* Define WORD_MACHINE if addresses and such have
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* to be corrected before they can be used as byte counts. */
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/* #define WORD_MACHINE */
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/* Now define a symbol for the cpu type, if your compiler
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does not define it automatically:
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Ones defined so far include vax, m68000, ns16000, pyramid,
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orion, tahoe, APOLLO and many others */
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#define m68000
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#define MOTOROLA_DELTA
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/* Use type int rather than a union, to represent Lisp_Object */
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/* This is desirable for most machines. */
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#define NO_UNION_TYPE
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/* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend
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the bit field into an int. In other words, if bit fields
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are always unsigned.
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If you use NO_UNION_TYPE, this flag does not matter. */
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#define EXPLICIT_SIGN_EXTEND
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/* Data type of load average, as read out of kmem. */
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/* #define LOAD_AVE_TYPE long */
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/* Convert that into an integer that is 100 for a load average of 1.0 */
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/* #define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / FSCALE) */
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/* Define CANNOT_DUMP on machines where unexec does not work.
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Then the function dump-emacs will not be defined
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and temacs will do (load "loadup") automatically unless told otherwise. */
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/* #define CANNOT_DUMP */
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/* Define VIRT_ADDR_VARIES if the virtual addresses of
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pure and impure space as loaded can vary, and even their
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relative order cannot be relied on.
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Otherwise Emacs assumes that data space precedes text space,
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numerically. */
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/* #define VIRT_ADDR_VARIES */
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/* Define C_ALLOCA if this machine does not support a true alloca
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and the one written in C should be used instead.
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Define HAVE_ALLOCA to say that the system provides a properly
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working alloca function and it should be used.
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Define neither one if an assembler-language alloca
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in the file alloca.s should be used. */
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/* #define C_ALLOCA */
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/* #define HAVE_ALLOCA */
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/* Define NO_REMAP if memory segmentation makes it not work well
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to change the boundary between the text section and data section
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when Emacs is dumped. If you define this, the preloaded Lisp
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code will not be sharable; but that's better than failing completely. */
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#define NO_REMAP
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/* Some really obscure 4.2-based systems (like Sequent DYNIX)
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* do not support asynchronous I/O (using SIGIO) on sockets,
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* even though it works fine on tty's. If you have one of
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* these systems, define the following, and then use it in
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* config.h (or elsewhere) to decide when (not) to use SIGIO.
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*
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* You'd think this would go in an operating-system description file,
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* but since it only occurs on some, but not all, BSD systems, the
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* reasonable place to select for it is in the machine description
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* file.
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*/
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/* #define NO_SOCK_SIGIO */
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/* Undefine this if you don't want the machine slow down when a buffer
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is modified. */
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#define CLASH_DETECTION
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/* Machine specific stuff */
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#define HAVE_PTYS
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#define SYSV_PTYS
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#ifdef HAVE_INET_SOCKETS /* this comes from autoconf */
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# define HAVE_SOCKETS /* NSE may or may not have been installed */
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#endif
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#define SIGNALS_VIA_CHARACTERS
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#define BROKEN_CLOSEDIR /* builtin closedir is interruptible */
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#undef HAVE_BCOPY /* b* functions are just stubs to mem* ones */
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#define bcopy(from,to,bytes) memcpy(to,from,bytes)
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#define bzero(to,bytes) memset(to,0,bytes)
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#define bcmp memcmp
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#define memmove(t,f,s) safe_bcopy(f,t,s) /* for overlapping copies */
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#undef KERNEL_FILE
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#define KERNEL_FILE "/sysv68"
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#undef LDAV_SYMBOL
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/* The standard C library is -lc881, not -lc.
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-lbsd brings sigblock and sigsetmask.
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DO NOT USE -lPW. That version of alloca is broken in versions R3V5,
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R3V6, R3V7. -riku@field.fi -pot@cnuce.cnr.it. */
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#define LIB_STANDARD -lc881
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#define LIB_MATH -lm881
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#define LIBS_TERMCAP -lcurses
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#define LIBS_SYSTEM -lbsd
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#undef sigsetmask
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#ifdef HAVE_X_WINDOWS
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# define HAVE_RANDOM
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# define BROKEN_FIONREAD /* pearce@ll.mit.edu says this is needed. */
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# define HAVE_XSCREENNUMBEROFSCREEN
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# undef LIB_X11_LIB /* no shared libraries */
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# define LIB_X11_LIB -lX11
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# undef USG_SHARED_LIBRARIES /* once again, no shared libs */
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# undef LIBX11_SYSTEM /* no -lpt as usg5-3.h expects */
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# define LIBX11_SYSTEM -lnls -lnsl_s
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#endif /* HAVE_X_WINDOWS */
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#ifdef __GNUC__
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/* Use builtin alloca. Also be sure that no other ones are tried out. */
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# define alloca __builtin_alloca
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# define HAVE_ALLOCA
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/* Union lisp objects do not yet work as of 19.15. */
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/* # undef NO_UNION_TYPE */
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/* We are assuming here that the `true' GNU gcc has not been
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installed, and we are using the gnucc provided by Motorola. No
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support exists for compiling with GNU gcc, as I do not have it on
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my machine to try it out. -pot@cnuce.cnr.it
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If __STDC__ is defined gnucc has been called without the -traditional
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option, that is, we are inside configure. If THIS_IS_CONFIGURE is
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not defined, then configure is trying to figure out what the right
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option for real compilation are.
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Let us set -traditional, because gmalloc.c includes <stddef.h>, and
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we don't have that (as of SYSV68 R3V7). */
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# define C_SWITCH_MACHINE -mfp0ret -traditional -Dconst= -fdelayed-branch -fstrength-reduce -fno-inline -fcaller-saves
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# define LIB_GCC /lib/gnulib881
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#else
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/* Not __GNUC__, use the alloca in alloca.s. */
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/* Try to guess if we are using the Green Hills Compiler */
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# if defined mc68000 && defined MC68000
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/* Required only for use with Green Hills compiler:
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-ga Because alloca relies on stack frames. This option forces
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the Green Hills compiler to create stack frames even for
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functions with few local variables. */
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# define C_SWITCH_MACHINE -ga -O
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# define GAP_USE_BCOPY /* *++to = *++from is inefficient */
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# define BCOPY_UPWARD_SAFE 0
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# define BCOPY_DOWNWARD_SAFE 1 /* bcopy does: mov.b (%a1)+,(%a0)+ */
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# else
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/* We are using the standard AT&T Portable C Compiler */
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# define SWITCH_ENUM_BUG
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# endif
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#endif /* not __GNUC__ */
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