From 20c428fd9d239eca0a835e3b0fe2629e789ce562 Mon Sep 17 00:00:00 2001 From: Jim Blandy Date: Fri, 13 Dec 1991 18:49:49 +0000 Subject: Initial revision --- src/m/amdahl.h | 171 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 171 insertions(+) create mode 100644 src/m/amdahl.h (limited to 'src/m/amdahl.h') diff --git a/src/m/amdahl.h b/src/m/amdahl.h new file mode 100644 index 0000000000..261d369c74 --- /dev/null +++ b/src/m/amdahl.h @@ -0,0 +1,171 @@ +/* amdahl machine description file + 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. */ + +/* +This file for amdahl_uts created by modifying the template.h +by Jishnu Mukerji 3/1/87 + +The following line tells the configuration script what sort of +operating system this machine is likely to run. +USUAL-OPSYS="usg5-2-2" + +This file works with the Amdahl uts native C compiler. The 5.2u370 +compiler is so brain damaged that it is not even worth trying to use it. +*/ + +/* 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. */ + +#undef 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 /* not actually used anywhere yet! */ + +/* 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) (((sign_extend_temp=(c)) & 0x80) \ + ? (sign_extend_temp | 0xFFFFFF00) \ + : (sign_extend_temp)) + +/* 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. */ + +/* uts gets defined automatically */ +/* However for clarity define amdahl_uts */ +#define amdahl_uts + +/* 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)*/ + +/* 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 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 */ + +#ifdef HAVE_ALLOCA +#define LIB_STANDARD -lPW -lc +#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*/ + +#define TERMINFO + +/* The usual definition of XINT, which involves shifting, does not + sign-extend properly on this machine. */ + +#define XINT(i) (((sign_extend_temp=(i)) & 0x00800000) \ + ? (sign_extend_temp | 0xFF000000) \ + : (sign_extend_temp & 0x00FFFFFF)) + +#ifdef emacs /* Don't do this when making xmakefile! */ +extern int sign_extend_temp; +#endif + +/* The following needed to load the proper crt0.o and to get the + proper declaration of data_start in the #undef NO_REMAP case */ + +#ifndef NO_REMAP +#define START_FILES pre-crt0.o /lib/crt0.o +#endif + +/* Perhaps this means that the optimizer isn't safe to use. */ + +#define C_OPTIMIZE_SWITCH + +/* Put text and data on non-segment boundary; makes image smaller */ + +#define LD_SWITCH_MACHINE -N + +/* When writing the 'xemacs' file, make text segment ro */ +#define EXEC_MAGIC 0410 + +/* Mask for address bits within a memory segment */ +#define SEGSIZ 0x10000 /* Should this not be defined elsewhere ? */ +#define SEGMENT_MASK (SEGSIZ - 1) + +/* Tell alloca.c which direction stack grows. */ +#define STACK_DIRECTION -1 + +/* Compensate for error in signal.h. */ +#if NSIG==19 +#undef NSIG +#define NSIG 20 +#endif -- cgit v1.2.3