1 /* $NetBSD: tosdefs.h,v 1.3 2002/02/24 20:51:08 leo 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