[bpt/emacs.git] / src / m / tahoe.h

/* machine description file for tahoe.
   Copyright (C) 1985 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.  */


/* The following line tells the configuration script what sort of 
   operating system this machine is likely to run.
   USUAL-OPSYS="note"

NOTE-START
Use -opsystem=bsd4-2 or -opsystem=bsd4-3, depending on the version of
Berkeley you are running.
NOTE-END  */

/* 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 */

/* lowest-numbered byte is most significant */

#define BIG_ENDIAN

/* XINT must explicitly sign-extend */

#define EXPLICIT_SIGN_EXTEND

/* Say this machine is a tahoe */

#ifndef tahoe
#define tahoe
#endif /* not tahoe */

/* Use type int rather than a union, to represent Lisp_Object */

#define NO_UNION_TYPE

/* crt0.c should use the vax-bsd style of entry, with no dummy args.  */

#define CRT0_DUMMIES

/* crt0.c should define a symbol `start' and do .globl with a dot.  */

#define DOT_GLOBAL_START

/* Data type of load average, as read out of kmem.  */

#define LOAD_AVE_TYPE double

/* Convert that into an integer that is 100 for a load average of 1.0  */

#define LOAD_AVE_CVT(x) ((int) ((x) * 100.0))

/* This triggers some stuff to avoid a compiler bug */

#define TAHOE_REGISTER_BUG

/* System provides alloca.  */

#define HAVE_ALLOCA

/* Control header files used by loadst.c.
   Some users report machines have dkstat.h while others report dk.h,
   so it's hard to tell what this should say.  */

#ifdef BSD
#define DKSTAT_HEADER_FILE
#endif
Commit	Line	Data
20c428fd JB	1	/* machine description file for tahoe.
	2	Copyright (C) 1985 Free Software Foundation, Inc.
	3
	4	This file is part of GNU Emacs.
	5
	6	GNU Emacs is free software; you can redistribute it and/or modify
	7	it under the terms of the GNU General Public License as published by
	8	the Free Software Foundation; either version 1, or (at your option)
	9	any later version.
	10
	11	GNU Emacs is distributed in the hope that it will be useful,
	12	but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	GNU General Public License for more details.
	15
	16	You should have received a copy of the GNU General Public License
	17	along with GNU Emacs; see the file COPYING. If not, write to
	18	the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
	19
	20
	21	/* The following line tells the configuration script what sort of
	22	operating system this machine is likely to run.
	23	USUAL-OPSYS="note"
	24
	25	NOTE-START
	26	Use -opsystem=bsd4-2 or -opsystem=bsd4-3, depending on the version of
	27	Berkeley you are running.
	28	NOTE-END */
	29
	30	/* The following three symbols give information on
	31	the size of various data types. */
	32
	33	#define SHORTBITS 16 /* Number of bits in a short */
	34
	35	#define INTBITS 32 /* Number of bits in an int */
	36
	37	#define LONGBITS 32 /* Number of bits in a long */
	38
	39	/* lowest-numbered byte is most significant */
	40
	41	#define BIG_ENDIAN
	42
	43	/* XINT must explicitly sign-extend */
	44
	45	#define EXPLICIT_SIGN_EXTEND
	46
20c428fd JB	47	/* Say this machine is a tahoe */
	48
	49	#ifndef tahoe
	50	#define tahoe
	51	#endif /* not tahoe */
	52
	53	/* Use type int rather than a union, to represent Lisp_Object */
	54
	55	#define NO_UNION_TYPE
	56
	57	/* crt0.c should use the vax-bsd style of entry, with no dummy args. */
	58
	59	#define CRT0_DUMMIES
	60
	61	/* crt0.c should define a symbol `start' and do .globl with a dot. */
	62
	63	#define DOT_GLOBAL_START
	64
	65	/* Data type of load average, as read out of kmem. */
	66
	67	#define LOAD_AVE_TYPE double
	68
	69	/* Convert that into an integer that is 100 for a load average of 1.0 */
	70
	71	#define LOAD_AVE_CVT(x) ((int) ((x) * 100.0))
	72
	73	/* This triggers some stuff to avoid a compiler bug */
	74
	75	#define TAHOE_REGISTER_BUG
	76
	77	/* System provides alloca. */
	78
	79	#define HAVE_ALLOCA
	80
	81	/* Control header files used by loadst.c.
	82	Some users report machines have dkstat.h while others report dk.h,
	83	so it's hard to tell what this should say. */
	84
	85	#ifdef BSD
	86	#define DKSTAT_HEADER_FILE
	87	#endif