diff options
Diffstat (limited to 'include/drivers/partition/mbr.h')
| -rw-r--r-- | include/drivers/partition/mbr.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/include/drivers/partition/mbr.h b/include/drivers/partition/mbr.h new file mode 100644 index 00000000..5287e284 --- /dev/null +++ b/include/drivers/partition/mbr.h @@ -0,0 +1,53 @@ +/* + * Copyright (c) 2016, ARM Limited and Contributors. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * + * 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. + * + * Neither the name of ARM nor the names of its contributors may be used + * to endorse or promote products derived from this software without specific + * prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT HOLDER OR CONTRIBUTORS 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 __MBR_H__ +#define __MBR_H__ + +#define MBR_OFFSET 0 + +#define MBR_PRIMARY_ENTRY_OFFSET 0x1be +#define MBR_PRIMARY_ENTRY_SIZE 0x10 +#define MBR_PRIMARY_ENTRY_NUMBER 4 +#define MBR_CHS_ADDRESS_LEN 3 + +#define MBR_SIGNATURE_FIRST 0x55 +#define MBR_SIGNATURE_SECOND 0xAA + +typedef struct mbr_entry { + unsigned char status; + unsigned char first_sector[MBR_CHS_ADDRESS_LEN]; + unsigned char type; + unsigned char last_sector[MBR_CHS_ADDRESS_LEN]; + unsigned int first_lba; + unsigned int sector_nums; +} mbr_entry_t; + +#endif /* __MBR_H__ */ |