diff options
Diffstat (limited to 'include/drivers/partition/mbr.h')
| -rw-r--r-- | include/drivers/partition/mbr.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/include/drivers/partition/mbr.h b/include/drivers/partition/mbr.h new file mode 100644 index 0000000..1452c02 --- /dev/null +++ b/include/drivers/partition/mbr.h @@ -0,0 +1,29 @@ +/* + * Copyright (c) 2016, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#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 */ |