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Diffstat (limited to 'sys/arch/wgrisc/include/disklabel.h')
| -rw-r--r-- | sys/arch/wgrisc/include/disklabel.h | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/sys/arch/wgrisc/include/disklabel.h b/sys/arch/wgrisc/include/disklabel.h new file mode 100644 index 00000000000..41df7318418 --- /dev/null +++ b/sys/arch/wgrisc/include/disklabel.h @@ -0,0 +1,88 @@ +/* $OpenBSD: disklabel.h,v 1.1 1997/02/06 16:02:42 pefo Exp $ */ +/* $NetBSD: disklabel.h,v 1.2 1995/01/18 06:37:55 mellon Exp $ */ + +/* + * Copyright (c) 1994 Christopher G. Demetriou + * 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 Christopher G. Demetriou. + * 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 _MACHINE_DISKLABEL_H_ +#define _MACHINE_DISKLABEL_H_ + +#define LABELSECTOR 1 /* sector containing label */ +#define LABELOFFSET 0 /* offset of label in sector */ +#define MAXPARTITIONS 16 /* number of partitions */ +#define PARTITIONSHIFT 4 /* log2 */ +#define PARTITIONMASK 0xf +#define RAW_PART 2 /* raw partition: xx?c */ + +/* DOS partition table -- used when the system is booted from a dos + * partition. This is the case on NT systems. + */ +#define DOSBBSECTOR 0 /* DOS boot block relative sector # */ +#define DOSPARTOFF 446 +#define NDOSPART 4 + +struct dos_partition { + unsigned char dp_flag; /* bootstrap flags */ + unsigned char dp_shd; /* starting head */ + unsigned char dp_ssect; /* starting sector */ + unsigned char dp_scyl; /* starting cylinder */ + unsigned char dp_typ; /* partition type (see below) */ + unsigned char dp_ehd; /* end head */ + unsigned char dp_esect; /* end sector */ + unsigned char dp_ecyl; /* end cylinder */ + unsigned long dp_start; /* absolute starting sector number */ + unsigned long dp_size; /* partition size in sectors */ +} dos_partitions[NDOSPART]; + +/* Known DOS partition types. */ +#define DOSPTYP_386BSD 0xa5 /* 386BSD partition type */ +#define DOSPTYP_NETBSD DOSPTYP_386BSD /* NetBSD partition type (XXX) */ +#define DOSPTYP_OPENBSD 0xa6 /* OpenBSD partition type */ +#define DOSPTYP_FAT12 0x1 +#define DOSPTYP_FAT16S 0x4 +#define DOSPTYP_FAT16B 0x6 +#define DOSPTYP_FAT16C 0xe + +#include <sys/dkbad.h> +struct cpu_disklabel { + struct dos_partition dosparts[NDOSPART]; + struct dkbad bad; +}; + +/* Isolate the relevant bits to get sector and cylinder. */ +#define DPSECT(s) ((s) & 0x3f) +#define DPCYL(c, s) ((c) + (((s) & 0xc0) << 2)) + +#ifdef _KERNEL +struct disklabel; +int bounds_check_with_label __P((struct buf *, struct disklabel *, int)); +#endif + +#endif /* _MACHINE_DISKLABEL_H_ */ |