[bpt/emacs.git] / src / m / ibms390.h

/* machine description file template.
   Copyright (C) 1985, 1986, 2001, 2002, 2003, 2004, 2005, 2006, 2007,
                 2008, 2009, 2010, 2011, 2012 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 3 of the License, 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.  If not, see <http://www.gnu.org/licenses/>.  */


/* The following line tells the configuration script what sort of
   operating system this machine is likely to run.
   USUAL-OPSYS="<name of system .h file here, without the s- or .h>"  */

/* Define WORDS_BIG_ENDIAN if lowest-numbered byte in a word
   is the most significant byte.  */

#define WORDS_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 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.

   This flag only matters if you use USE_LISP_UNION_TYPE.  */

#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 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

/* arch-tag: d8a0ffa4-a8f0-4736-90d3-7fd7b21b8314
   (do not change this comment) */
Commit	Line	Data
e64fed1d	1	/* machine description file template.
eb3d11ef	2	Copyright (C) 1985, 1986, 2001, 2002, 2003, 2004, 2005, 2006, 2007,
49f70d46	3	2008, 2009, 2010, 2011, 2012 Free Software Foundation, Inc.
e64fed1d EZ	4
	5	This file is part of GNU Emacs.
	6
eb3d11ef	7	GNU Emacs is free software: you can redistribute it and/or modify
e64fed1d	8	it under the terms of the GNU General Public License as published by
eb3d11ef GM	9	the Free Software Foundation, either version 3 of the License, or
eb3d11ef GM	10	(at your option) any later version.
e64fed1d EZ	11
	12	GNU Emacs is distributed in the hope that it will be useful,
	13	but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	GNU General Public License for more details.
	16
	17	You should have received a copy of the GNU General Public License
eb3d11ef	18	along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
e64fed1d EZ	19
e64fed1d EZ	20
177c0ea7	21	/* The following line tells the configuration script what sort of
e64fed1d EZ	22	operating system this machine is likely to run.
	23	USUAL-OPSYS="<name of system .h file here, without the s- or .h>" */
	24
22e9fe24	25	/* Define WORDS_BIG_ENDIAN if lowest-numbered byte in a word
e64fed1d EZ	26	is the most significant byte. */
	27
	28	#define WORDS_BIG_ENDIAN
	29
	30	/* Define NO_ARG_ARRAY if you cannot take the address of the first of a
	31	* group of arguments and treat it as an array of the arguments. */
	32
	33	#define NO_ARG_ARRAY
	34
e64fed1d EZ	35	/* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend
	36	the 24-bit bit field into an int. In other words, if bit fields
	37	are always unsigned.
	38
6e5cb96f	39	This flag only matters if you use USE_LISP_UNION_TYPE. */
e64fed1d EZ	40
	41	#define EXPLICIT_SIGN_EXTEND
	42
	43	/* Data type of load average, as read out of kmem. */
	44
	45	#define LOAD_AVE_TYPE long
	46
	47	/* Convert that into an integer that is 100 for a load average of 1.0 */
	48
	49	#define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / FSCALE)
	50
e64fed1d EZ	51	/* Define VIRT_ADDR_VARIES if the virtual addresses of
	52	pure and impure space as loaded can vary, and even their
	53	relative order cannot be relied on.
	54
	55	Otherwise Emacs assumes that text space precedes data space,
	56	numerically. */
	57
	58	#define VIRT_ADDR_VARIES
	59
ab5796a9 MB	60	/* arch-tag: d8a0ffa4-a8f0-4736-90d3-7fd7b21b8314
ab5796a9 MB	61	(do not change this comment) */