diff options
Diffstat (limited to 'sys/arch/atari/stand/loadbsd/loader.h')
| -rw-r--r-- | sys/arch/atari/stand/loadbsd/loader.h | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/sys/arch/atari/stand/loadbsd/loader.h b/sys/arch/atari/stand/loadbsd/loader.h new file mode 100644 index 00000000000..4c86a7aa614 --- /dev/null +++ b/sys/arch/atari/stand/loadbsd/loader.h @@ -0,0 +1,89 @@ +/* $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; |