NetBSD-5.0.2/sys/arch/sbmips/include/disklabel.h
/* $NetBSD: disklabel.h,v 1.6 2005/12/11 12:18:51 christos Exp $ */
/*
* Copyright 2000, 2001
* Broadcom Corporation. All rights reserved.
*
* This software is furnished under license and may be used and copied only
* in accordance with the following terms and conditions. Subject to these
* conditions, you may download, copy, install, use, modify and distribute
* modified or unmodified copies of this software in source and/or binary
* form. No title or ownership is transferred hereby.
*
* 1) Any source code used, modified or distributed must reproduce and
* retain this copyright notice and list of conditions as they appear in
* the source file.
*
* 2) No right is granted to use any trade name, trademark, or logo of
* Broadcom Corporation. The "Broadcom Corporation" name may not be
* used to endorse or promote products derived from this software
* without the prior written permission of Broadcom Corporation.
*
* 3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR
* NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM BE LIABLE
* FOR ANY DAMAGES WHATSOEVER, AND IN PARTICULAR, BROADCOM SHALL NOT BE
* LIABLE FOR 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), EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/* from: $NetBSD: disklabel.h,v 1.4 2000/05/05 03:27:22 soren 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
#define RAW_PART 3
#ifdef __NetBSD__
/* Pull in MBR partition definitions. */
#if HAVE_NBTOOL_CONFIG_H
#include <nbinclude/sys/bootblock.h>
#else
#include <sys/bootblock.h>
#endif /* HAVE_NBTOOL_CONFIG_H */
#ifndef __ASSEMBLER__
#if HAVE_NBTOOL_CONFIG_H
#include <nbinclude/sys/dkbad.h>
#else
#include <sys/dkbad.h>
#endif /* HAVE_NBTOOL_CONFIG_H */
struct cpu_disklabel {
struct mbr_partition dosparts[MBR_PART_COUNT];
struct dkbad bad;
};
#endif
#endif
/*
* CFE boot block, modeled loosely on Alpha.
*
* It consists of:
*
* BSD disk label
* <blank space>
* Boot block info (5 uint_64s)
*
* The boot block portion looks like:
*
*
* +-------+-------+-------+-------+-------+-------+-------+-------+
* | BOOT_MAGIC_NUMBER |
* +-------+-------+-------+-------+-------+-------+-------+-------+
* | Flags | Reserved | Vers | Header Checksum |
* +-------+-------+-------+-------+-------+-------+-------+-------+
* | Secondary Loader Location (bytes) |
* +-------+-------+-------+-------+-------+-------+-------+-------+
* | Loader Checksum | Size of loader (bytes) |
* +-------+-------+-------+-------+-------+-------+-------+-------+
* | Reserved | Architecture Information |
* +-------+-------+-------+-------+-------+-------+-------+-------+
*
* Boot block fields should always be read as 64-bit numbers.
*
*/
struct boot_block {
uint64_t cfe_bb_data[64]; /* data (disklabel, also as below) */
};
#define cfe_bb_magic cfe_bb_data[59] /* magic number */
#define cfe_bb_hdrinfo cfe_bb_data[60] /* header checksum, ver, flags */
#define cfe_bb_secstart cfe_bb_data[61] /* secondary start (bytes) */
#define cfe_bb_secsize cfe_bb_data[62] /* secondary size (bytes) */
#define cfe_bb_archinfo cfe_bb_data[63] /* architecture info */
#define BOOT_BLOCK_OFFSET 0 /* offset of boot block. */
#define BOOT_BLOCK_BLOCKSIZE 512 /* block size for sec. size/start,
* and for boot block itself
*/
#define BOOT_BLOCK_SIZE 40 /* 5 64-bit words */
#define BOOT_MAGIC_NUMBER 0x43465631424f4f54
#define BOOT_HDR_CHECKSUM_MASK 0x00000000FFFFFFFF
#define BOOT_HDR_VER_MASK 0x000000FF00000000
#define BOOT_HDR_VER_SHIFT 32
#define BOOT_HDR_FLAGS_MASK 0xFF00000000000000
#define BOOT_SECSIZE_MASK 0x00000000FFFFFFFF
#define BOOT_DATA_CHECKSUM_MASK 0xFFFFFFFF00000000
#define BOOT_DATA_CHECKSUM_SHIFT 32
#define BOOT_ARCHINFO_MASK 0x00000000FFFFFFFF
#define BOOT_HDR_VERSION 1
#define CHECKSUM_BOOT_BLOCK(bb,cksum) \
do { \
uint32_t *_ptr = (uint32_t *) (bb); \
uint32_t _cksum; \
int _i; \
\
_cksum = 0; \
for (_i = 0; \
_i < (BOOT_BLOCK_SIZE / sizeof (uint32_t)); \
_i++) \
_cksum += _ptr[_i]; \
*(cksum) = _cksum; \
} while (0)
#define CHECKSUM_BOOT_DATA(data,len,cksum) \
do { \
uint32_t *_ptr = (uint32_t *) (data); \
uint32_t _cksum; \
int _i; \
\
_cksum = 0; \
for (_i = 0; \
_i < ((len) / sizeof (uint32_t)); \
_i++) \
_cksum += _ptr[_i]; \
*(cksum) = _cksum; \
} while (0)
#endif /* _MACHINE_DISKLABEL_H_ */