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/* $OpenBSD: promdev.h,v 1.3 2003/08/14 17:13:57 deraadt Exp $ */
/* $NetBSD: promdev.h,v 1.3 1995/09/18 21:31:50 pk Exp $ */
/*
* Copyright (c) 1993 Paul Kranenburg
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Paul Kranenburg.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <machine/bsd_openprom.h>
struct promdata {
int fd; /* Openboot descriptor */
struct saioreq *si; /* Oldmon IO request */
int devtype; /* Kind of device we're booting from */
#define DT_BLOCK 1
#define DT_NET 2
#define DT_BYTE 3
/* Hooks for netif.c */
int (*xmit)(struct promdata *, void *, size_t);
int (*recv)(struct promdata *, void *, size_t);
};
#define LOADADDR ((caddr_t)0x4000)
#define DDB_MAGIC0 ( ('D'<<24) | ('D'<<16) | ('B'<<8) | ('0') )
#define DDB_MAGIC1 ( ('D'<<24) | ('D'<<16) | ('B'<<8) | ('1') )
#define DDB_MAGIC DDB_MAGIC0
extern struct promvec *promvec;
extern char *prom_bootdevice;
extern char *prom_bootfile;
extern int prom_boothow;
extern int hz;
extern int cputyp, nbpg, pgofset, pgshift;
extern int debug;
extern void prom_init(void);
/* Note: dvma_*() routines are for "oldmon" machines only */
extern void dvma_init(void);
extern char *dvma_mapin(char *, size_t);
extern char *dvma_mapout(char *, size_t);
extern char *dvma_alloc(int);
extern void dvma_free(char *, int);
/*
* duplicates from pmap.c for mapping device on "oldmon" machines.
*/
#include <sparc/sparc/asm.h>
#define getcontext() lduba(AC_CONTEXT, ASI_CONTROL)
#define setcontext(c) stba(AC_CONTEXT, ASI_CONTROL, c)
#define getsegmap(va) (cputyp == CPU_SUN4C \
? lduba(va, ASI_SEGMAP) \
: lduha(va, ASI_SEGMAP))
#define setsegmap(va, pmeg) (cputyp == CPU_SUN4C \
? stba(va, ASI_SEGMAP, pmeg) \
: stha(va, ASI_SEGMAP, pmeg))
#define getregmap(va) ((unsigned)lduha(va+2, ASI_REGMAP) >> 8)
#define setregmap(va, smeg) stha(va+2, ASI_REGMAP, (smeg << 8))
#define getpte(va) lda(va, ASI_PTE)
#define setpte(va, pte) sta(va, ASI_PTE, pte)
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