usr/src/sys/vax/stand/savax.h

/*
 * Copyright (c) 1982, 1986, 1988 Regents of the University of California.
 * All rights reserved.  The Berkeley software License Agreement
 * specifies the terms and conditions for redistribution.
 *
 *	@(#)savax.h	7.5 (Berkeley) %G%
 */

/*
 * Standalone definitions peculiar to vaxen:
 *
 * The mba devices in the standalone system are addressed as
 *	type(mba, 0, drive, partition)		(disks)
 *	type(mba, formatter, transport, file)	(tapes)
 *
 * The mbadrv macro gives the address of the device registers
 * for the specified unit.
 *
 * The uba devices in the standalone system are addressed as
 *	type(uba, ctlr, drive, partition)	(disks)
 *	type(uba, formatter, transport, file)	(tapes)
 *
 * The ubamem macro converts a specified unibus address (ala pdp-11)
 * into a unibus memory address space address.
 */

#define	mbadrv(mba, unit) 	(&mbamba(mba)->mba_drv[unit])
/* compute an I/O page physical address from a 16/18/22-bit bus address */
#define	ubamem(uba, off)	(uioaddr[uba] + ubdevreg(off))

#define	mbamba(mba)		(mbaddr[mba])
#define	ubauba(uba)		(ubaddr[uba])

#define	MAXNMBA	8
#define	MAXNUBA	8
#define	MAXNKDB	2

struct	mba_regs **mbaddr;
int	mbaact;
int	nmba;

caddr_t	*uioaddr;
struct	uba_regs **ubaddr;
int	nuba;

#ifdef VAX8200
caddr_t	kdbaddr[MAXNKDB];
int	nkdb;
#endif

int	cpu;				/* see ../vax/cpu.h */
Commit	Line	Data
	1	/*
	2	* Copyright (c) 1982, 1986, 1988 Regents of the University of California.
	3	* All rights reserved. The Berkeley software License Agreement
	4	* specifies the terms and conditions for redistribution.
	5	*
	6	* @(#)savax.h 7.5 (Berkeley) %G%
	7	*/
	8
	9	/*
	10	* Standalone definitions peculiar to vaxen:
	11	*
	12	* The mba devices in the standalone system are addressed as
	13	* type(mba, 0, drive, partition) (disks)
	14	* type(mba, formatter, transport, file) (tapes)
	15	*
	16	* The mbadrv macro gives the address of the device registers
	17	* for the specified unit.
	18	*
	19	* The uba devices in the standalone system are addressed as
	20	* type(uba, ctlr, drive, partition) (disks)
	21	* type(uba, formatter, transport, file) (tapes)
	22	*
	23	* The ubamem macro converts a specified unibus address (ala pdp-11)
	24	* into a unibus memory address space address.
	25	*/
	26
	27	#define mbadrv(mba, unit) (&mbamba(mba)->mba_drv[unit])
	28	/* compute an I/O page physical address from a 16/18/22-bit bus address */
	29	#define ubamem(uba, off) (uioaddr[uba] + ubdevreg(off))
	30
	31	#define mbamba(mba) (mbaddr[mba])
	32	#define ubauba(uba) (ubaddr[uba])
	33
	34	#define MAXNMBA 8
	35	#define MAXNUBA 8
	36	#define MAXNKDB 2
	37
	38	struct mba_regs **mbaddr;
	39	int mbaact;
	40	int nmba;
	41
	42	caddr_t *uioaddr;
	43	struct uba_regs **ubaddr;
	44	int nuba;
	45
	46	#ifdef VAX8200
	47	caddr_t kdbaddr[MAXNKDB];
	48	int nkdb;
	49	#endif
	50
	51	int cpu; /* see ../vax/cpu.h */