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- /*
- ****************************************************************************************************
- * MELIS
- * the Easy Portable/Player Develop Kits
- * SDMMC Module
- *
- * (c) Copyright 2011-2014, All winners Co,Ld.
- * All Rights Reserved
- *
- * File : mbr.h
- * By : james.deng
- * Version : 1.0.0
- * Date : 2011-11-28
- * Descript:
- * Update : <date> <author> <version> <notes>
- * 2011-11-28 james.deng 1.0.0 build the file.
- ****************************************************************************************************
- */
- #ifndef __MBR_H__
- #define __MBR_H__
- // #include <mod_defs.h>
- #define MAX_PART_COUNT 8 // max part count
- #define MBR_COPY_NUM 4 // mbr backup count
- #define MBR_START_ADDRESS 0x0 // mbr start address
- #define MBR_SIZE 1024 // mbr size
- #define MBR_RESERVED (MBR_SIZE - 20 - (MAX_PART_COUNT * 64)) // mbr reserved space
- // part information
- typedef struct tag_PARTITION
- {
- __u32 addrhi; // start address high 32 bit
- __u32 addrlo; // start address low 32 bit
- __u32 lenhi; // size high 32 bit
- __u32 lenlo; // size low 32 bit
- __u8 classname[12]; // major device name
- __u8 name[12]; // minor device name
- __u8 res[24]; // reserved
- } PARTITION; // 64 bytes 应该使用 pack
- // mbr information
- typedef struct tag_MBR
- {
- __u32 crc32; // crc, from byte 4 to mbr tail
- __u32 version; // version
- __u8 magic[8]; // magic number
- __u8 copy; // mbr backup count
- __u8 index; // current part no
- __u16 PartCount; // part counter
- PARTITION array[MAX_PART_COUNT]; // part info
- __u8 res[MBR_RESERVED]; // reserved space
- } MBR;
- #define SUNXI_MBR_SIZE (16 * 1024)
- #define SUNXI_MBR_MAX_PART_COUNT 120
- /* partition information */
- typedef struct sunxi_partition_t
- {
- unsigned int addrhi;
- unsigned int addrlo;
- unsigned int lenhi;
- unsigned int lenlo;
- unsigned char classname[16];
- unsigned char name[16];
- unsigned int user_type;
- unsigned int keydata;
- unsigned int ro;
- unsigned int sig_verify;
- unsigned int sig_erase;
- unsigned int sig_value[4];
- unsigned int sig_pubkey;
- unsigned int sig_pbumode;
- unsigned char reserved2[36];
- }__attribute__ ((packed))sunxi_partition;
- /* mbr information */
- typedef struct sunxi_mbr
- {
- unsigned int crc32; // crc 1k - 4
- unsigned int version; // 版本信息， 0x00000100
- unsigned char magic[8]; //"softw311"
- unsigned int copy; //分数
- unsigned int index; //第几个MBR备份
- unsigned int PartCount; //分区个数
- unsigned int stamp[1]; //对齐
- sunxi_partition array[SUNXI_MBR_MAX_PART_COUNT]; //
- unsigned int lockflag;
- unsigned char res[(SUNXI_MBR_SIZE - 32 - 4 - (SUNXI_MBR_MAX_PART_COUNT * sizeof(sunxi_partition)))];
- }__attribute__ ((packed)) sunxi_mbr_t;
- #endif // __MBR_H__
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