diff options
Diffstat (limited to 'sys/arch/atari/stand/tostools/aptck/ahdilbl.h')
| -rw-r--r-- | sys/arch/atari/stand/tostools/aptck/ahdilbl.h | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/sys/arch/atari/stand/tostools/aptck/ahdilbl.h b/sys/arch/atari/stand/tostools/aptck/ahdilbl.h new file mode 100644 index 00000000000..dc9c1345209 --- /dev/null +++ b/sys/arch/atari/stand/tostools/aptck/ahdilbl.h @@ -0,0 +1,116 @@ +/* $NetBSD: ahdilbl.h,v 1.1 1996/01/16 15:15:06 leo Exp $ */ + +/* + * Copyright (c) 1995 Leo 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. + */ + +#ifndef AHDILABEL_H +#define AHDILABEL_H + +/***** from src/sys/arch/atari/include/disklabel.h *************************/ + +/* + * On a volume, exclusively used by NetBSD, the boot block starts at + * sector 0. To allow shared use of a volume between two or more OS's + * the vendor specific AHDI format is supported. In this case the boot + * block is located at the start of an AHDI partition. In any case the + * size of the boot block must be at least 8KB. + */ +#define BBMINSIZE 8192 /* minimum size of boot block */ +#define LABELSECTOR 0 /* `natural' start of boot block */ +#define LABELOFFSET 512 /* offset of disk label in bytes, + relative to start of boot block */ +#define LABELMAXSIZE 1024 /* maximum size of disk label */ + +#define MAXPARTITIONS 16 /* max. # of NetBSD partitions */ +#define RAW_PART 2 /* xx?c is raw partition */ + +#define NO_BOOT_BLOCK ((u_int)-1) +#define MAXAUXROOTS 29 /* max. # of auxilary root sectors */ + +struct bootblock { + u_int8_t bb_xxboot[LABELOFFSET]; /* first-stage boot loader */ + u_int8_t bb_dlabel[LABELMAXSIZE];/* disk pack label */ + u_int8_t bb_bootxx[BBMINSIZE - (LABELOFFSET + LABELMAXSIZE)]; + /* second-stage boot loader*/ +}; + +#define BBGETLABEL(bb, dl) *(dl) = *((struct disklabel *)(bb)->bb_dlabel) +#define BBSETLABEL(bb, dl) *((struct disklabel *)(bb)->bb_dlabel) = *(dl) + +/***** from src/sys/arch/atari/include/ahdilabel.h *************************/ + +#define AHDI_BSIZE 512 /* AHDI blocksize */ +#define AHDI_BBLOCK 0 /* AHDI bootblock (root sector) */ +#define AHDI_MAXROOTS (MAXAUXROOTS) /* max. # of AHDI rootsectors */ +#define AHDI_MAXPARTS (AHDI_MAXROOTS+3) /* max. # of AHDI partitions */ + +/* + * Various `well known' AHDI partition identifiers. + */ +#define AHDI_MKPID(x,y,z) ( ((u_int32_t)(x) << 16) \ + | ((u_int32_t)(y) << 8) \ + | ((u_int32_t)(z)) \ + ) +#define AHDI_PID_XGM AHDI_MKPID('X','G','M') +#define AHDI_PID_GEM AHDI_MKPID('G','E','M') +#define AHDI_PID_BGM AHDI_MKPID('B','G','M') +#define AHDI_PID_RAW AHDI_MKPID('R','A','W') +#define AHDI_PID_SWP AHDI_MKPID('S','W','P') +#define AHDI_PID_NBD AHDI_MKPID('N','B','D') +#define AHDI_PID_NBR AHDI_MKPID('N','B','R') +#define AHDI_PID_NBS AHDI_MKPID('N','B','S') +#define AHDI_PID_NBU AHDI_MKPID('N','B','U') + +/* + * Format of AHDI boot block. + */ +#define AHDI_MAXRPD 4 /* max. # of partition descriptors */ + /* in the AHDI bootblock (aka root)*/ +#define AHDI_MAXARPD 2 /* max. # of partition descriptors */ + /* in an AHDI auxilary root sector */ + +struct ahdi_part { + u_int8_t ap_flg; /* bit 0 is in-use flag */ + u_int8_t ap_id[3]; /* id: GEM, BGM, XGM, UNX, MIX */ + u_int32_t ap_offs; /* block where partition starts */ + u_int32_t ap_size; /* partition size in blocks */ +#define ap_end ap_size /* in the in-core copy, store end instead of size */ +}; + +struct ahdi_root { + u_int8_t ar_fill[0x1c2];/* filler, can be boot code */ + u_int32_t ar_hdsize; /* size of entire volume in blocks */ + struct ahdi_part ar_parts[AHDI_MAXRPD]; /* root partition table */ + u_int32_t ar_bslst; /* start of bad-sector list */ + u_int32_t ar_bslsize; /* # of blocks in bad-sector list */ + u_int16_t ar_cksum; +}; + +#endif /* AHDILABEL_H */ |