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md.h revision 1.1.2.2
      1  1.1.2.2  jdolecek /*	$NetBSD: md.h,v 1.1.2.2 2002/06/23 17:37:14 jdolecek Exp $	*/
      2  1.1.2.2  jdolecek 
      3  1.1.2.2  jdolecek /*	$OpenBSD: md.h,v 1.4 2001/03/29 03:58:18 mickey Exp $	*/
      4  1.1.2.2  jdolecek 
      5  1.1.2.2  jdolecek /*
      6  1.1.2.2  jdolecek  * Copyright 1996 1995 by Open Software Foundation, Inc.
      7  1.1.2.2  jdolecek  *              All Rights Reserved
      8  1.1.2.2  jdolecek  *
      9  1.1.2.2  jdolecek  * Permission to use, copy, modify, and distribute this software and
     10  1.1.2.2  jdolecek  * its documentation for any purpose and without fee is hereby granted,
     11  1.1.2.2  jdolecek  * provided that the above copyright notice appears in all copies and
     12  1.1.2.2  jdolecek  * that both the copyright notice and this permission notice appear in
     13  1.1.2.2  jdolecek  * supporting documentation.
     14  1.1.2.2  jdolecek  *
     15  1.1.2.2  jdolecek  * OSF DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE
     16  1.1.2.2  jdolecek  * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
     17  1.1.2.2  jdolecek  * FOR A PARTICULAR PURPOSE.
     18  1.1.2.2  jdolecek  *
     19  1.1.2.2  jdolecek  * IN NO EVENT SHALL OSF BE LIABLE FOR ANY SPECIAL, INDIRECT, OR
     20  1.1.2.2  jdolecek  * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
     21  1.1.2.2  jdolecek  * LOSS OF USE, DATA OR PROFITS, WHETHER IN ACTION OF CONTRACT,
     22  1.1.2.2  jdolecek  * NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
     23  1.1.2.2  jdolecek  * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
     24  1.1.2.2  jdolecek  *
     25  1.1.2.2  jdolecek  */
     26  1.1.2.2  jdolecek /*
     27  1.1.2.2  jdolecek  * pmk1.1
     28  1.1.2.2  jdolecek  */
     29  1.1.2.2  jdolecek /*
     30  1.1.2.2  jdolecek  * (c) Copyright 1986 HEWLETT-PACKARD COMPANY
     31  1.1.2.2  jdolecek  *
     32  1.1.2.2  jdolecek  * To anyone who acknowledges that this file is provided "AS IS"
     33  1.1.2.2  jdolecek  * without any express or implied warranty:
     34  1.1.2.2  jdolecek  *     permission to use, copy, modify, and distribute this file
     35  1.1.2.2  jdolecek  * for any purpose is hereby granted without fee, provided that
     36  1.1.2.2  jdolecek  * the above copyright notice and this notice appears in all
     37  1.1.2.2  jdolecek  * copies, and that the name of Hewlett-Packard Company not be
     38  1.1.2.2  jdolecek  * used in advertising or publicity pertaining to distribution
     39  1.1.2.2  jdolecek  * of the software without specific, written prior permission.
     40  1.1.2.2  jdolecek  * Hewlett-Packard Company makes no representations about the
     41  1.1.2.2  jdolecek  * suitability of this software for any purpose.
     42  1.1.2.2  jdolecek  */
     43  1.1.2.2  jdolecek 
     44  1.1.2.2  jdolecek #include <sys/cdefs.h>
     45  1.1.2.2  jdolecek 
     46  1.1.2.2  jdolecek /*****************************************************************
     47  1.1.2.2  jdolecek  * Muliply/Divide SFU Internal State                             *
     48  1.1.2.2  jdolecek  *****************************************************************/
     49  1.1.2.2  jdolecek struct mdsfu_register {
     50  1.1.2.2  jdolecek     int rslt_hi,
     51  1.1.2.2  jdolecek 	rslt_lo,
     52  1.1.2.2  jdolecek 	ovflow;
     53  1.1.2.2  jdolecek     };
     54  1.1.2.2  jdolecek 
     55  1.1.2.2  jdolecek #define result_hi result->rslt_hi
     56  1.1.2.2  jdolecek #define result_lo result->rslt_lo
     57  1.1.2.2  jdolecek #define overflow result->ovflow
     58  1.1.2.2  jdolecek 
     59  1.1.2.2  jdolecek /*
     60  1.1.2.2  jdolecek  *  Constants
     61  1.1.2.2  jdolecek  */
     62  1.1.2.2  jdolecek 
     63  1.1.2.2  jdolecek #undef FALSE
     64  1.1.2.2  jdolecek #define FALSE 0
     65  1.1.2.2  jdolecek 
     66  1.1.2.2  jdolecek #undef TRUE
     67  1.1.2.2  jdolecek #define TRUE (!FALSE)
     68  1.1.2.2  jdolecek 
     69  1.1.2.2  jdolecek #undef NIL
     70  1.1.2.2  jdolecek #define NIL 0
     71  1.1.2.2  jdolecek 
     72  1.1.2.2  jdolecek #define WORD_LEN 32
     73  1.1.2.2  jdolecek #define BIT0 1<<31
     74  1.1.2.2  jdolecek #define BIT28 0x8
     75  1.1.2.2  jdolecek #define BIT29 0x4
     76  1.1.2.2  jdolecek #define BIT30 0x2
     77  1.1.2.2  jdolecek #define BIT31 0x1
     78  1.1.2.2  jdolecek 
     79  1.1.2.2  jdolecek 	/* Simply copy the arguments to the emulated copies of the registers */
     80  1.1.2.2  jdolecek #define	mdrr(reg1,reg2,result)	{result_hi = reg1;result_lo = reg2;}
     81  1.1.2.2  jdolecek 
     82  1.1.2.2  jdolecek /*
     83  1.1.2.2  jdolecek  *  Structures
     84  1.1.2.2  jdolecek  */
     85  1.1.2.2  jdolecek 
     86  1.1.2.2  jdolecek struct md_state {
     87  1.1.2.2  jdolecek 	int resulthi,	/* high word of result */
     88  1.1.2.2  jdolecek 	    resultlo;	/* low word of result */
     89  1.1.2.2  jdolecek };
     90  1.1.2.2  jdolecek 
     91  1.1.2.2  jdolecek void divsfm __P((int, int, struct mdsfu_register *));
     92  1.1.2.2  jdolecek void divsfr __P((int, int, struct mdsfu_register *));
     93  1.1.2.2  jdolecek void divsim __P((int, int, struct mdsfu_register *));
     94  1.1.2.2  jdolecek void divsir __P((int, int, struct mdsfu_register *));
     95  1.1.2.2  jdolecek 
     96  1.1.2.2  jdolecek void divu __P((int, int, int, struct mdsfu_register *));
     97  1.1.2.2  jdolecek void divufr __P((unsigned int, unsigned int, struct mdsfu_register *));
     98  1.1.2.2  jdolecek void divuir __P((unsigned int, unsigned int, struct mdsfu_register *));
     99  1.1.2.2  jdolecek 
    100  1.1.2.2  jdolecek void mpyaccs __P((int, int, struct mdsfu_register *));
    101  1.1.2.2  jdolecek void mpyaccu __P((unsigned int, unsigned int, struct mdsfu_register *));
    102  1.1.2.2  jdolecek void mpys __P((int, int, struct mdsfu_register *));
    103  1.1.2.2  jdolecek void mpyscv __P((int, int, struct mdsfu_register *));
    104  1.1.2.2  jdolecek void mpyu __P((unsigned int, unsigned int, struct mdsfu_register *));
    105  1.1.2.2  jdolecek void mpyucv __P((unsigned int, unsigned int, struct mdsfu_register *));
    106  1.1.2.2  jdolecek 
    107  1.1.2.2  jdolecek int impys __P((int *, int *, struct mdsfu_register *));
    108  1.1.2.2  jdolecek int impyu __P((int *, int *, struct mdsfu_register *));
    109