2013-04-06 16:48:33 +02:00

98 lines
3.1 KiB
C

/* $NetBSD: tosdefs.h,v 1.4 2008/04/28 20:23:15 martin Exp $ */
/*-
* Copyright (c) 1998 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Leo Weppelman.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``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 FOUNDATION OR CONTRIBUTORS
* 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.
*/
#ifndef _LIBTOS_TOSDEFS_H
#define _LIBTOS_TOSDEFS_H
#include <sys/types.h>
#include "kparamb.h"
/*
* TOS variables in low memory
*/
struct _gem_mupb;
struct _basepage;
struct _osheader {
u_int16_t os_entry;
u_int16_t os_version;
void *reseth;
struct _osheader *os_beg;
void *os_end;
u_int32_t os_rsv1;
struct _gem_mupb *os_magic;
u_int32_t os_date;
u_int16_t os_conf;
u_int16_t os_dosdate;
char **p_root;
u_int8_t **pkbshift;
struct _basepage **p_run;
char *p_rsv2;
};
typedef struct _osheader OSH;
#define ADDR_P_COOKIE ((long**)0x5a0) /* Pointer to cookie jar */
#define ADDR_OSHEAD ((OSH**)0x4f2) /* Pointer Os-header */
#define ADDR_PHYSTOP ((long*)0x42e) /* End of ST-ram */
#define ADDR_RAMTOP ((long*)0x5a4) /* End of TT-ram (unofficial) */
#define ADDR_CHKRAMTOP ((long*)0x5a8) /* above is valid (unofficial) */
#define RAMTOP_MAGIC (0x1357bd13) /* Magic no. for ADDR_CHKRAMTOP */
#define TTRAM_BASE (0x1000000) /* Fastram always starts here */
#define CTRAM_BASE (0x4000000) /* ... except on CT2 boards: */
/* Logical : TTRAM_BASE */
/* Physical: CTRAM_BASE */
/*
* Kernel parameter block
*/
typedef struct osdsc {
const char * ostype;
const char * osname;
unsigned rootfs;
struct kparamb kp;
} osdsc_t;
#define ksize kp.ksize
#define kstart kp.kp
#define kentry kp.entry
#define k_esym kp.esym_loc
#define stmem_size kp.stmem_size
#define ttmem_size kp.ttmem_size
#define ttmem_start kp.ttmem_start
#define cputype kp.bootflags
#define boothowto kp.boothowto
#endif /* !_LIBTOS_TOSDEFS_H */