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tosdefs.h revision 1.2.6.3 
      1 /*	$NetBSD: tosdefs.h,v 1.2.6.3 2002/03/16 15:56:59 jdolecek Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1998 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Leo Weppelman.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *        This product includes software developed by the NetBSD
     21  *        Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 #ifndef _LIBTOS_TOSDEFS_H
     40 #define _LIBTOS_TOSDEFS_H
     41 
     42 #include <sys/types.h>
     43 
     44 
     45 #include "kparamb.h"
     46 
     47 /*
     48  * TOS variables in low memory
     49  */
     50 struct _gem_mupb;
     51 struct _basepage;
     52 struct _osheader {
     53 	u_int16_t	 os_entry;
     54 	u_int16_t	 os_version;
     55 	void		 *reseth;
     56 	struct _osheader *os_beg;
     57 	void		 *os_end;
     58 	u_int32_t	 os_rsv1;
     59 	struct _gem_mupb *os_magic;
     60 	u_int32_t	 os_date;
     61 	u_int16_t	 os_conf;
     62 	u_int16_t	 os_dosdate;
     63 	char		 **p_root;
     64 	u_int8_t	 **pkbshift;
     65 	struct _basepage **p_run;
     66 	char		 *p_rsv2;
     67 };
     68 
     69 typedef	struct _osheader	OSH;
     70 
     71 #define	ADDR_P_COOKIE	((long**)0x5a0)	/* Pointer to cookie jar	*/
     72 #define	ADDR_OSHEAD	((OSH**)0x4f2)	/* Pointer Os-header		*/
     73 #define	ADDR_PHYSTOP	((long*)0x42e)	/* End of ST-ram		*/
     74 #define	ADDR_RAMTOP	((long*)0x5a4)	/* End of TT-ram (unofficial)	*/
     75 #define	ADDR_CHKRAMTOP	((long*)0x5a8)	/*  above is valid (unofficial)	*/
     76 
     77 #define	RAMTOP_MAGIC	(0x1357bd13)	/* Magic no. for ADDR_CHKRAMTOP	*/
     78 
     79 #define	TTRAM_BASE	(0x1000000)	/* Fastram always starts here	*/
     80 #define	CTRAM_BASE	(0x4000000)	/*  ... except on CT2 boards:	*/
     81 					/*         Logical : TTRAM_BASE */
     82 					/*         Physical: CTRAM_BASE */
     83 
     84 /*
     85  * Kernel parameter block
     86  */
     87 typedef struct osdsc {
     88 	const char *	ostype;
     89 	const char *	osname;
     90 	unsigned	rootfs;
     91 	struct kparamb 	kp;
     92 } osdsc_t;
     93 
     94 #define	ksize		kp.ksize
     95 #define	kstart		kp.kp
     96 #define	kentry		kp.entry
     97 #define	k_esym		kp.esym_loc
     98 #define	stmem_size	kp.stmem_size
     99 #define	ttmem_size	kp.ttmem_size
    100 #define	ttmem_start	kp.ttmem_start
    101 #define	cputype		kp.bootflags
    102 #define	boothowto	kp.boothowto
    103 
    104 #endif /* !_LIBTOS_TOSDEFS_H */
    105