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diff --git a/i386/i386at/fdreg.h b/i386/i386at/fdreg.h
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+/* 
+ * Mach Operating System
+ * Copyright (c) 1993,1991,1990,1989 Carnegie Mellon University
+ * All Rights Reserved.
+ * 
+ * Permission to use, copy, modify and distribute this software and its
+ * documentation is hereby granted, provided that both the copyright
+ * notice and this permission notice appear in all copies of the
+ * software, derivative works or modified versions, and any portions
+ * thereof, and that both notices appear in supporting documentation.
+ * 
+ * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
+ * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
+ * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
+ * 
+ * Carnegie Mellon requests users of this software to return to
+ * 
+ *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
+ *  School of Computer Science
+ *  Carnegie Mellon University
+ *  Pittsburgh PA 15213-3890
+ * 
+ * any improvements or extensions that they make and grant Carnegie Mellon
+ * the rights to redistribute these changes.
+ */
+/*
+  Copyright 1988, 1989 by Intel Corporation, Santa Clara, California.
+
+		All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and
+its documentation for any purpose and without fee is hereby
+granted, provided that the above copyright notice appears in all
+copies and that both the copyright notice and this permission notice
+appear in supporting documentation, and that the name of Intel
+not be used in advertising or publicity pertaining to distribution
+of the software without specific, written prior permission.
+
+INTEL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE
+INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS,
+IN NO EVENT SHALL INTEL BE LIABLE FOR ANY SPECIAL, INDIRECT, OR
+CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+LOSS OF USE, DATA OR PROFITS, WHETHER IN ACTION OF CONTRACT,
+NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
+WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+*/
+
+/*	Copyright (c) 1987, 1988 TOSHIBA Corp.		*/
+/*		All Rights Reserved			*/
+
+#ident  "@(#)m765.h	1.13 - 88/02/17"
+
+/*******************************************************************
+ *
+ *	 Toshiba Floppy Driver for UNIX System V R3
+ *
+ *					June 21, 1988 
+ *
+ *	Intended Drive Units:
+ *		Worldwide - Model No. ND-356  3.5" unformatted 2MB/1MB
+ *		UNIX Media Type Name: 2HD512/2DD512/2D512/1D512.
+ *
+ *		In Japan Only - Model No. ND-355  3.5" unformatted 1.6MB/1MB
+ *		UNIX Media Type Name: 2HC1024/2HC512/2HC256/2DD512/2D512/1D512.
+ *
+ *		Worldwide - Model No. ND-04DT-A  5.25" unformatted 500 KB
+ *		UNIX Media Type Name: 2D512/1D512.
+ *
+ *		In Japan Only - Model No. ND-08DE  5.25" unformatted 1.6MB/1MB
+ *		UNIX Media Type Name: 2HC1024/2HC512/2HC256/2DD512/2D512/1D512.
+ *
+ *		Use with other devices may require modification.
+ *
+ *	Notes:
+ *		For further detail regarding drive units contact 
+ *		Toshiba America,Inc. Disk Products Division,
+ *		Irvine, CA (714) 583-3000.
+ *
+ *******************************************************************/
+
+/*
+ *	fdcmd.c_rbmtr
+ *
+ *      	|--+--+--+--+--+--+--+--|
+ *      	|  |  |  |  |  |  |  |  |
+ *      	|--+--+--+--+--+--+--+--|
+ *		       ^  ^        ^  ^
+ *		       |  |        |  |--- unit0 motor on flag
+ *		       |  |        |------ unit1 motor on flag
+ *		       |  |--------------- unit0 recalibrate flag
+ *		       |------------------ unit1 recalibrate flag
+ */
+#define MTRMASK		0x003		/* mask motor_flag for get status */
+#define MTRRST		0x0fc		/* reset motor_flag data */
+#define RBSHIFT		0x004		/* shift count for recalibrate data */
+#define RBRST		0x0cf		/* reset recalibrate data */
+
+/*
+ *	fdcmd.c_intr
+ *
+ *      		    	  |--+--+--+--+--+--+--+--|
+ *      	  	    	  |  |  |  |  |  |  |  |  |
+ *	        	    	  |--+--+--+--+--+--+--+--|
+ *		 	            ^  ^  ^  ^  ^  ^  ^  ^
+ *                      reserved  --+  |  |  |  |  |  |  +--- read/write flag
+ *                      reserved  -----+  |  |  |  |  +------ seek flag
+ * 	                reserved  --------+  |  |  +------ seek flag for retry
+ * recalibrate/seek flag(for open) ----------+  +--------- recalibrate flag
+ */
+#define RWFLAG		0x001
+#define SKFLAG		0x002
+#define SKEFLAG		0x004
+#define RBFLAG		0x008
+#define WUPFLAG		0x010
+#define CMDRST		0x000	
+
+/* 
+ *	fddrtab.dr_type 
+ *
+ *        +---+---+---+---+---+---+---+---+
+ *        |   |   |   |   |   |   |   |   |
+ *        +---+---+---+---+---+---+---+---+
+ *          ^   ^   ^   ^   ^
+ *          |   |   |   |   |----------- rapid seek flag
+ *          |---|   |   |                  0: normal seek
+ *            |     |   |                  1: rapid seek
+ *            |     |   |--------------- detect format
+ *            |     |                      0: no detect
+ *            |     |                      1: format type OK
+ *            |     |------------------- 40 or 80 cylinder(for 2hc/2dd drive)
+ *            |                            0: 80 cylinder
+ *            |                            1: 40 cylinder
+ *            |------------------------- transfer rate(for read/write/format)
+ *                                         00: 500kbps  10: 250kbps
+ *                                         01: 300kbps  11: reserved
+ */
+#define RPSEEK		0x00		/* rapid seek */
+#define RAPID		0x08		/* rapid seek flag */
+#define OKTYPE		0x10		/* media change flag */
+#define DOUBLE		0x20		/* double/single step change */
+#define NMSEEK		0x80		/* normal seek */
+#define RATEMASK	0xc0		/* transfer parameter mask data */
+
+/*
+ *	device number
+ *
+ *	 15             10  9  8  7                    0
+ *	+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
+ *	| 0  0  0  0  0  0  0  1|     | 0| 0| 0| 0|    	|
+ *	+-----------+-----+-----+--+--+--+--+-----------+
+ *	  ^                    ^  ^  ^              ^  ^ 
+ *	  |____________________|  |__|              |__|
+ *		    |		   |                 |
+ *		    |		   |                 |- media type
+ *	       major number	   |			0: 3.50"  720 KB
+ *				   |- unit number	1: 3.50" 1.44 Meg
+ *							2: 5.25"  360 KB
+ *							3: 5.25" 1.20 Meg
+ */
+#define UNIT(dev)	((dev & 0xc0)>>6)	/* get unit number */
+#define MEDIATYPE(dev)	(dev & 0x03)		/* get media type */
+/*****************************************************************************
+ 
+		wait time / timeout count
+
+ *****************************************************************************/
+#define STSCHKCNT	0x2800		/* For check status */
+#define ITOUT		HZ*5		/* interrupt timeout count */
+#define TOUT		HZ/4		/* media type check timeout count */
+#define MTRSTOP		HZ*2		/* motor off time */
+#define SEEKWAIT	HZ/100*3	/* head_lock time */
+
+/******************************************************************************
+ 
+		define for FDC
+
+ ******************************************************************************/
+/* FDC register */
+#define CTRLREG(ADDR)	(ADDR)		/* controle register */
+#define STSREG(ADDR)	((ADDR)+2)	/* status register */
+#define DATAREG(ADDR)	((ADDR)+3)	/* data register */
+#define VFOREG(ADDR)	((ADDR)+5)	/* vfo register */
+
+/* CTRLREG flags */
+#define FDC_RST		0x04
+#define MTR_ON		0x04
+#define DMAREQ		0x08
+#define RDY		0x40
+#define BSY		0x80
+
+/* status for command_out */
+#define FD_OSTS		0x00		/* For output check */
+#define FD_ISTS		0x40		/* For input check */
+#define DTOCPU		0x40
+#define DATAOK		0x80
+
+/* Command for FDC */
+#define SPCCMD		0x03		/* Specify command */
+#define RBCMD		0x07		/* Recalibrate command */
+#define SISCMD		0x08		/* Sense interrupt status command */
+#define SEEKCMD		0x0f		/* seek command */
+#define RDM		0xe6		/* FDC READ command */
+#define RDMV		0x42e6		/* VERIFY READ command */
+#define WTM		0xc5		/* FDC WRITE command */
+#define FMTM		0x4d		/* FDC FORMAT command */
+#define FMTDATA		0x5e		/* format data */
+
+/* check value */
+#define OPENBIT		0x80		/* VFO check define */
+#define BYTEMASK	0xff
+
+/* FDC error code define */
+#define ERROR		0xff
+#define EBBHARD		128
+#define EBBSOFT		129
+#define ST0AT		0x40
+#define ST0IC		0x80
+#define ST0OK		0xc0
+#define ADDRERR		0x01
+#define WTPRT		0x02
+#define NOREC		0x03
+#define OVERRUN		0x04
+#define CRCERR		0x05
+#define FDCERR		0x06
+#define TIMEOUT		0x08
+#define DOORERR		0x09
+
+/******************************************************************************
+ 
+		define for DMA
+
+ *****************************************************************************/
+/* DMA register */
+#define DMACMD1		0x08		/* DMA #1 command register 	*/
+#define DMAMSK1		0x0f		/* DMA #1 all mask register	*/
+#define DMABPFF		0x0c
+#define DMAMODE		0x0b
+#define DMAADDR		0x04
+#define DMAPAGE		0x81
+#define DMACNT		0x05
+#define DMAMSK		0x0a
+
+/* dma set data */
+#define DMARD		0x46		/* DMA read mode		*/
+#define DMAWT		0x4a		/* DMA	write mode		*/
+#define DMAVRF		0x42		/* DMA verify mode		*/
+
+#define DMADATA0	0x00		/* DMA #2 all mask data 	*/
+#define DMADATA1	0x0b		/* DMA #1 all mask data 	*/
+#define CHANNEL2	0x02
+
+#define SRTHUT          0xdf
+#define HLTND           0x02
+#define DTL             0xff
+
+/******************************************************************************
+ 
+		etc. define
+
+ *****************************************************************************/
+#define SPL		spl5	/* Same as in i386at/autoconf.c */
+#define MAXUNIT		4	/* Max unit number */
+#define BLKSIZE		512	/* block size	   */
+
+/* fdcmd.c_stsflag	*/
+#define MTRFLAG	0x01
+#define MTROFF	0x02
+#define INTROUT	0x04
+
+/* fdcmd.c_devflag (media check flag . etc.) */
+#define FDMCHK		0x01
+#define FDWAIT		0x02
+#define STRCHK		0x04
+#define STRWAIT		0x08
+
+/* fdcmd.c_dcount */
+#define FDCCNT	9	/* Command table for read/write/format (FDC) */
+#define RWCNT	9	/* Read/Write command count */
+#define FMTCNT	6	/* format command count */
+
+struct	fdcmd {
+	int	c_rbmtr;		/* moter & rcalibrate flag */
+	int	c_intr;			/* intr flag */
+	int	c_stsflag;		/* moter flag */
+	int	c_mtrid;		/* motor off queue id */
+	int	c_timeid;		/* interrupt timeout id */
+	int	c_devflag;		/* device status   */
+	int	c_dcount;		/* Read/Write/Format data count */
+	int	c_rwdata[FDCCNT];	/* Read/Write/Format cmd (FDC) */
+	int	c_saddr;		/* cmd seek address */
+};
+
+/* fdmbuf.b_rberr/fdmbuf.b_seekerr/fdmbuf.b_rwerr */
+#define MEDIARD		0x01
+#define MEDIASEEK	0x01
+#define SRETRY		0x03
+#define MRETRY		0x30
+#define LRETRY		0x300
+#define SRMASK		0x0f
+#define MRMASK		0xf0
+#define RMRMASK		0xff0
+#define LRMASK		0xf00
+#define MINC		0x10
+#define LINC		0x100
+
+struct	ctrl_info {
+	struct	unit_info *b_unitf;	/* first buffer for this dev 	   */
+	struct	unit_info *b_uip;	/* like b_unit			   */
+	struct	unit_info *b_wup;	/* unit to wake up when WUPFLAG    */
+	short	b_rberr;		/* rb error count (for recovery)   */
+	short	b_seekerr;		/* seek error count (for recovery) */
+	short	b_rwerr;		/* r/w error count (for recovery)  */
+	short	b_status;		/* error status			   */
+	struct	buf	*b_buf;		/* set bp address 		   */
+	caddr_t b_xferaddr;		/* trasfer address		   */
+	unsigned int b_xfercount;	/* total transfer count		   */
+	unsigned int b_xferdma;		/* dma transfer count		   */
+	int	usebuf;			/* use private dma page		   */
+	caddr_t	b_vbuf;			/* virtual address for dma page	   */
+	vm_offset_t b_pbuf;		/* physical dma page (model_dep.c) */
+	daddr_t	b_sector;		/* read/write sector 		   */
+	struct	fdcmd	b_cmd;		/* set command table address       */
+};
+
+#define FMTID	4
+struct fmttbl {
+	unsigned char cyl;
+	unsigned char head;
+	unsigned char sector;
+	unsigned char s_type;
+};
+
+struct	fddrtab {
+	u_short	dr_ncyl;	/* cylinder count		 */
+	u_short	dr_spc;		/* actual sectors/cylinder	 */
+	daddr_t p_nsec;		/* disk length (sector count)	 */
+	char	dr_nsec;	/* sector per track		 */
+	char	dr_type;	/* media type			 */
+	char	dr_rwgpl;	/* Read / Write Gap length	 */
+	char	dr_fgpl;	/* Format Gap length		 */
+};
+
+struct	unit_info {
+	struct unit_info *b_unitf;	/* next slave 		      */
+	struct buf 	 *av_forw;	/* head of I/O queue (b_forw) */
+	int		 b_seekaddr;	/* cylinder address           */
+	u_short		 addr;
+	struct fddrtab	 d_drtab;	/* floppy disk parameter      */
+	struct bus_device *dev;
+	struct fdcmd	 *b_cmd;	/* set command table address  */
+	char		 wakeme;	/* set if someone wants to be woken */
+};
+
+#define HZ		100		/* 100 ticks/second of the clock */
+#define NBPSCTR		512		/* Bytes per LOGICAL disk sector */
+					/* These should be added to 
+					   "sys/param.h". */
+#define PAGESIZ		4096
+#ifdef	MACH_KERNEL
+#define	PZERO		25
+#define	PRIBIO		20
+
+#define	B_VERIFY	IO_SPARE_START
+#define	B_FORMAT	(IO_SPARE_START << 1)
+
+#define	b_pfcent	io_mode
+
+#endif	MACH_KERNEL