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author | Jim Blandy <jimb@redhat.com> | 1991-12-13 18:49:49 +0000 |
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committer | Jim Blandy <jimb@redhat.com> | 1991-12-13 18:49:49 +0000 |
commit | 20c428fd9d239eca0a835e3b0fe2629e789ce562 (patch) | |
tree | c9dc47c923acc0f7db3dd699bd7e38e7b20893cc /src/m/ns32000.h | |
parent | 20a8832d8461fec6001e0f9d09bbb4731c585a84 (diff) | |
download | emacs-20c428fd9d239eca0a835e3b0fe2629e789ce562.tar.gz |
Initial revision
Diffstat (limited to 'src/m/ns32000.h')
-rw-r--r-- | src/m/ns32000.h | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/src/m/ns32000.h b/src/m/ns32000.h new file mode 100644 index 00000000000..bca1825e406 --- /dev/null +++ b/src/m/ns32000.h @@ -0,0 +1,121 @@ +/* machine description file for Netional Semiconductor 32000, running Genix. + Copyright (C) 1985, 1986 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="usg5-2" */ + +/* 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 */ + +/* 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: + Ones defined so far include vax, m68000, ns16000, pyramid, + orion, tahoe, APOLLO and many others */ + +/* 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 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 */ + +/* 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 TEXT_START 0 + +#define STACK_DIRECTION -1 + +#define EXEC_MAGIC 0410 + +#define PURESIZE 140000 + +#define START_FILES pre-crt0.o /lib/crt0.o |