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98 lines
3.1 KiB
C
98 lines
3.1 KiB
C
/* $NetBSD: tosdefs.h,v 1.4 2008/04/28 20:23:15 martin Exp $ */
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/*-
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* Copyright (c) 1998 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Leo Weppelman.
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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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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _LIBTOS_TOSDEFS_H
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#define _LIBTOS_TOSDEFS_H
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#include <sys/types.h>
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#include "kparamb.h"
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/*
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* TOS variables in low memory
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*/
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struct _gem_mupb;
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struct _basepage;
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struct _osheader {
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u_int16_t os_entry;
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u_int16_t os_version;
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void *reseth;
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struct _osheader *os_beg;
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void *os_end;
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u_int32_t os_rsv1;
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struct _gem_mupb *os_magic;
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u_int32_t os_date;
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u_int16_t os_conf;
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u_int16_t os_dosdate;
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char **p_root;
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u_int8_t **pkbshift;
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struct _basepage **p_run;
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char *p_rsv2;
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};
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typedef struct _osheader OSH;
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#define ADDR_P_COOKIE ((long**)0x5a0) /* Pointer to cookie jar */
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#define ADDR_OSHEAD ((OSH**)0x4f2) /* Pointer Os-header */
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#define ADDR_PHYSTOP ((long*)0x42e) /* End of ST-ram */
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#define ADDR_RAMTOP ((long*)0x5a4) /* End of TT-ram (unofficial) */
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#define ADDR_CHKRAMTOP ((long*)0x5a8) /* above is valid (unofficial) */
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#define RAMTOP_MAGIC (0x1357bd13) /* Magic no. for ADDR_CHKRAMTOP */
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#define TTRAM_BASE (0x1000000) /* Fastram always starts here */
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#define CTRAM_BASE (0x4000000) /* ... except on CT2 boards: */
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/* Logical : TTRAM_BASE */
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/* Physical: CTRAM_BASE */
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/*
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* Kernel parameter block
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*/
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typedef struct osdsc {
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const char * ostype;
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const char * osname;
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unsigned rootfs;
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struct kparamb kp;
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} osdsc_t;
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#define ksize kp.ksize
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#define kstart kp.kp
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#define kentry kp.entry
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#define k_esym kp.esym_loc
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#define stmem_size kp.stmem_size
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#define ttmem_size kp.ttmem_size
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#define ttmem_start kp.ttmem_start
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#define cputype kp.bootflags
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#define boothowto kp.boothowto
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#endif /* !_LIBTOS_TOSDEFS_H */
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