From 9ae5ee04cdfdb5668eb49343efe6cde929ee7406 Mon Sep 17 00:00:00 2001 From: Jim Blandy Date: Fri, 31 Jan 1992 21:10:36 +0000 Subject: [PATCH] Initial revision --- src/m/alliant-2800.h | 150 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 150 insertions(+) create mode 100644 src/m/alliant-2800.h diff --git a/src/m/alliant-2800.h b/src/m/alliant-2800.h new file mode 100644 index 00000000000..431b33a1f2c --- /dev/null +++ b/src/m/alliant-2800.h @@ -0,0 +1,150 @@ +/* alliant-2800.h - Alliant FX/2800 machine running Concentrix 2800. + Copyright (C) 1990 Free Software Foundation, Inc. + +This file is part of GNU Emacs. + +GNU Emacs is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY. No author or distributor +accepts responsibility to anyone for the consequences of using it +or for whether it serves any particular purpose or works at all, +unless he says so in writing. Refer to the GNU Emacs General Public +License for full details. + +Everyone is granted permission to copy, modify and redistribute +GNU Emacs, but only under the conditions described in the +GNU Emacs General Public License. A copy of this license is +supposed to have been given to you along with GNU Emacs so you +can know your rights and responsibilities. It should be in a +file named COPYING. Among other things, the copyright notice +and this notice must be preserved on all copies. */ + + +/* The following line tells the configuration script what sort of + operating system this machine is likely to run. + USUAL-OPSYS="bsd4-3" */ + +/* 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. */ + +#undef 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) (c) + +/* Now define a symbol for the cpu type, if your compiler + does not define it automatically: + vax, m68000, ns16000, pyramid, orion, tahoe and APOLLO + are the ones defined so far. */ + +#define ALLIANT +#define ALLIANT_2800 +#define sun /* Use X support for Sun keyboard stuff. */ +#define C_OPTIMIZE_SWITCH -Og /* No concurrent code allowed here. */ +#define VALBITS 26 +#define GCTYPEBITS 5 + +/* 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. */ +/* On Alliants, bitfields are unsigned. */ + +#define EXPLICIT_SIGN_EXTEND + +/* Concentrix uses a different kernel symbol for load average. */ + +#undef LDAV_SYMBOL /* Undo definition in s-bsd4-2.h */ +#define LDAV_SYMBOL "_Loadavg" + +/* 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) (x * 100 / LOADAVG_SCALE) + +/* include for the definition of LOADAVG_SCALE, and also + LOADAVG_SIZE, the number of items in the Loadavg array. */ + +/* 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 UNEXEC unexfx2800.o +#define LIBS_MACHINE -lalliant + +/* 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. */ + +#undef 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. */ + +#undef 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. */ +/* Actually, Alliant CONCENTRIX does paging "right": + data pages are copy-on-write, which means that the pure data areas + are shared automatically and remapping is not necessary. */ + +#define NO_REMAP + +/* Alliant needs special crt0.o because system version is not reentrant */ + +#define START_FILES crt0.o + +/* Alliant dependent code for dumping executing image. + See crt0.c code for alliant. */ + +#define ADJUST_EXEC_HEADER {\ +extern int _curbrk, _setbrk;\ +_setbrk = _curbrk;\ +hdr.a_bss_addr = bss_start;\ +unexec_text_start = hdr.a_text_addr;} + +/* POSIX Compatibility */ +/* Use System V.4 style getdents/readdir for 2.2 and up. */ +#define SYSV_SYSTEM_DIR +#define HAVE_CLOSEDIR -- 2.11.4.GIT