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