NetBSD/sys/arch/atari/stand/loadbsd/loader.h

90 lines
3.2 KiB
C

/* $NetBSD: loader.h,v 1.5 1995/08/29 20:35:16 leo Exp $ */
/*
* Copyright (c) 1995 L. Weppelman
* All rights reserved.
*
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Leo Weppelman.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*/
/*
* NetBSD loader for the Atari-TT.
*
* Assume compiling under TOS or MINT. The page-size will always
* be incorrect then (if it is defined anyway).
*/
#ifdef __LDPGSZ
#undef __LDPGSZ
#endif
#define __LDPGSZ (8*1024) /* Page size for NetBSD */
#define TTRAM_BASE 0x1000000 /* Fastram always starts here */
/*
* System var's used in low-memory
*/
#define ADDR_RAMTOP ((long*)0x5a4) /* End of TT-ram (unofficial) */
#define ADDR_CHKRAMTOP ((long*)0x5a8) /* above is valid (unofficial)*/
#define ADDR_PHYSTOP ((long*)0x42e) /* End of ST-ram */
#define ADDR_P_COOKIE ((long**)0x5a0) /* Pointer to cookie jar */
#define ADDR_OSHEAD ((OSH**)0x4f2) /* Pointer Os-header */
#define RAM_TOP_MAGIC (0x1357bd13) /* Magic nr. for ADDR_CHKRAMTOP */
/*
* These should match with the values NetBSD uses!
*/
#define ATARI_68000 1 /* 68000 CPU */
#define ATARI_68010 (1<<1) /* 68010 CPU */
#define ATARI_68020 (1<<2) /* 68020 CPU */
#define ATARI_68030 (1<<3) /* 68030 CPU */
#define ATARI_68040 (1<<4) /* 68040 CPU */
#define ATARI_TT (1L<<11) /* This is a TT030 */
#define ATARI_FALCON (1L<<12) /* This is a Falcon */
#define ATARI_CLKBROKEN (1<<16) /* GEMDOS has faulty year base */
#define ATARI_ANYCPU (0x1f)
/*
* Definitions for boothowto
*/
#define RB_AUTOBOOT 0x00
#define RB_ASKNAME 0x01
#define RB_SINGLE 0x02
#define RB_KDB 0x40
/*
* Sufficient but incomplete definition os Os-header
*/
typedef struct osh {
unsigned short os_entry;
unsigned short os_version;
void *reseth;
struct osh *os_beg;
} OSH;