stand/common/promdev.h

1.1  mrg /*	$NetBSD: promdev.h,v 1.1 1997/06/01 03:39:39 mrg Exp $ */
1.1  mrg
1.1  mrg /*
1.1  mrg  * Copyright (c) 1993 Paul Kranenburg
1.1  mrg  * All rights reserved.
1.1  mrg  *
1.1  mrg  * Redistribution and use in source and binary forms, with or without
1.1  mrg  * modification, are permitted provided that the following conditions
1.1  mrg  * are met:
1.1  mrg  * 1. Redistributions of source code must retain the above copyright
1.1  mrg  *    notice, this list of conditions and the following disclaimer.
1.1  mrg  * 2. Redistributions in binary form must reproduce the above copyright
1.1  mrg  *    notice, this list of conditions and the following disclaimer in the
1.1  mrg  *    documentation and/or other materials provided with the distribution.
1.1  mrg  * 3. All advertising materials mentioning features or use of this software
1.1  mrg  *    must display the following acknowledgement:
1.1  mrg  *      This product includes software developed by Paul Kranenburg.
1.1  mrg  * 4. The name of the author may not be used to endorse or promote products
1.1  mrg  *    derived from this software without specific prior written permission
1.1  mrg  *
1.1  mrg  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
1.1  mrg  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
1.1  mrg  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
1.1  mrg  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
1.1  mrg  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
1.1  mrg  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
1.1  mrg  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
1.1  mrg  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
1.1  mrg  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
1.1  mrg  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
1.1  mrg  */
1.1  mrg
1.1  mrg #include <machine/bsd_openprom.h>
1.1  mrg
1.1  mrg struct promdata {
1.1  mrg 	int	fd;			/* Openboot descriptor */
1.1  mrg 	struct	saioreq *si;		/* Oldmon IO request */
1.1  mrg 	int	devtype;		/* Kind of device we're booting from */
1.1  mrg #define DT_BLOCK	1
1.1  mrg #define DT_NET		2
1.1  mrg #define DT_BYTE		3
1.1  mrg 	/* Hooks for netif.c */
1.1  mrg 	int	(*xmit) __P((struct promdata *, void *, size_t));
1.1  mrg 	int	(*recv) __P((struct promdata *, void *, size_t));
1.1  mrg };
1.1  mrg
1.1  mrg #define LOADADDR	((caddr_t)0x4000)
1.1  mrg #define DDB_MAGIC	( ('D'<<24) | ('D'<<16) | ('B'<<8) | ('0') )
1.1  mrg
1.1  mrg extern struct promvec	*promvec;
1.1  mrg extern char	*prom_bootdevice;
1.1  mrg extern char	*prom_bootfile;
1.1  mrg extern int	prom_boothow;
1.1  mrg extern int	hz;
1.1  mrg extern int	cputyp, nbpg, pgofset, pgshift;
1.1  mrg extern int	debug;
1.1  mrg
1.1  mrg extern void	prom_init __P((void));
1.1  mrg
1.1  mrg /* Note: dvma_*() routines are for "oldmon" machines only */
1.1  mrg extern char	*dvma_mapin __P((char *, size_t));
1.1  mrg extern char	*dvma_mapout __P((char *, size_t));
1.1  mrg extern char	*dvma_alloc __P((int));
1.1  mrg
1.1  mrg /*
1.1  mrg  * duplicates from pmap.c for mapping device on "oldmon" machines.
1.1  mrg  */
1.1  mrg #include <sparc/sparc/asm.h>
1.1  mrg
1.1  mrg #define getcontext()		lduba(AC_CONTEXT, ASI_CONTROL)
1.1  mrg #define setcontext(c)		stba(AC_CONTEXT, ASI_CONTROL, c)
1.1  mrg #define getsegmap(va)		(cputyp == CPU_SUN4C \
1.1  mrg 					? lduba(va, ASI_SEGMAP) \
1.1  mrg 					: lduha(va, ASI_SEGMAP))
1.1  mrg #define setsegmap(va, pmeg)	(cputyp == CPU_SUN4C \
1.1  mrg 					? stba(va, ASI_SEGMAP, pmeg) \
1.1  mrg 					: stha(va, ASI_SEGMAP, pmeg))
1.1  mrg #define getregmap(va)		((unsigned)lduha(va+2, ASI_REGMAP) >> 8)
1.1  mrg #define setregmap(va, smeg)	stha(va+2, ASI_REGMAP, (smeg << 8))
1.1  mrg
1.1  mrg #define getpte(va)		lda(va, ASI_PTE)
1.1  mrg #define setpte(va, pte)		sta(va, ASI_PTE, pte)