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Diffstat (limited to 'sys/arch/mips/include/disklabel.h')
| -rw-r--r-- | sys/arch/mips/include/disklabel.h | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/sys/arch/mips/include/disklabel.h b/sys/arch/mips/include/disklabel.h new file mode 100644 index 00000000000..7de65cec7eb --- /dev/null +++ b/sys/arch/mips/include/disklabel.h @@ -0,0 +1,85 @@ +/* $OpenBSD: disklabel.h,v 1.1 1998/01/28 11:14:39 pefo Exp $ */ +/* $NetBSD: disklabel.h,v 1.3 1996/03/09 20:52:54 ghudson 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 RAW_PART 2 /* raw partition: ie. rsd0c */ + +/* DOS partition table -- located in boot block */ +#define DOSBBSECTOR 0 /* DOS boot block relative sector # */ +#define DOSPARTOFF 446 +#define NDOSPART 4 + +struct dos_partition { + u_int8_t dp_flag; /* bootstrap flags */ + u_int8_t dp_shd; /* starting head */ + u_int8_t dp_ssect; /* starting sector */ + u_int8_t dp_scyl; /* starting cylinder */ + u_int8_t dp_typ; /* partition type (see below) */ + u_int8_t dp_ehd; /* end head */ + u_int8_t dp_esect; /* end sector */ + u_int8_t dp_ecyl; /* end cylinder */ + u_int32_t dp_start; /* absolute starting sector number */ + u_int32_t dp_size; /* partition size in sectors */ +}; + +/* Known DOS partition types. */ +#define DOSPTYP_UNUSED 0x00 /* Unused partition */ +#define DOSPTYP_FAT12 0x01 /* 12-bit FAT */ +#define DOSPTYP_FAT16S 0x04 /* 16-bit FAT, less than 32M */ +#define DOSPTYP_EXTEND 0x05 /* Extended; contains sub-partitions */ +#define DOSPTYP_FAT16B 0x06 /* 16-bit FAT, more than 32M */ +#define DOSPTYP_FAT16C 0x0e /* 16-bit FAT, CHS-mapped */ +#define DOSPTYP_ONTRACK 0x54 +#define DOSPTYP_LINUX 0x83 /* That other thing */ +#define DOSPTYP_386BSD 0xa5 /* 386BSD partition type */ +#define DOSPTYP_NETBSD DOSPTYP_386BSD /* NetBSD partition type (XXX) */ +#define DOSPTYP_OPENBSD 0xa6 /* OpenBSD partition type */ + +#include <sys/dkbad.h> +struct cpu_disklabel { + struct dos_partition dosparts[NDOSPART]; + struct dkbad bad; +}; + +#define DKBAD(x) ((x)->bad) + +/* Isolate the relevant bits to get sector and cylinder. */ +#define DPSECT(s) ((s) & 0x3f) +#define DPCYL(c, s) ((c) + (((s) & 0xc0) << 2)) + +#endif /* _MACHINE_DISKLABEL_H_ */ |