/* * (C) Copyright 2007-2013 * Allwinner Technology Co., Ltd. * Jerry Wang * * See file CREDITS for list of people who contributed to this * project. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA */ #ifndef __SUNXI_MBR_H__ #define __SUNXI_MBR_H__ #define DOWNLOAD_MAP_NAME "dlinfo.fex" #define SUNXI_MBR_NAME "sunxi_mbr.fex" /* MBR */ #define SUNXI_MBR_SIZE (16 * 1024) #define SUNXI_DL_SIZE (16 * 1024) #define SUNXI_MBR_MAGIC "softw411" #define SUNXI_MBR_MAX_PART_COUNT 120 #define SUNXI_MBR_COPY_NUM 4 //mbr的备份数量 #define SUNXI_MBR_RESERVED (SUNXI_MBR_SIZE - 32 - 4 - (SUNXI_MBR_MAX_PART_COUNT * sizeof(sunxi_partition))) //mbr保留的空间 #define SUNXI_DL_RESERVED (SUNXI_DL_SIZE - 32 - (SUNXI_MBR_MAX_PART_COUNT * sizeof(dl_one_part_info))) #define SUNXI_LOCKED (0xAA) #define SUNXI_UNLOCKED (0xA5) /* partition information */ typedef struct sunxi_partition_t { unsigned int addrhi; //起始地址, 以扇区为单位 unsigned int addrlo; // unsigned int lenhi; //长度 unsigned int lenlo; // unsigned char classname[16]; //次设备名 unsigned char name[16]; //主设备名 unsigned int user_type; //用户类型 unsigned int keydata; //关键数据，要求量产不丢失 unsigned int ro; //读写属性 unsigned int sig_verify; //签名验证属性 unsigned int sig_erase; //签名擦除属性 unsigned int sig_value[4]; unsigned int sig_pubkey; unsigned int sig_pbumode; unsigned char reserved2[36]; //保留数据，匹配分区信息128字节 }__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_RESERVED]; }__attribute__ ((packed)) sunxi_mbr_t; typedef struct tag_one_part_info { unsigned char name[16]; //所烧写分区的主设备名 unsigned int addrhi; //所烧写分区的高地址，扇区单位 unsigned int addrlo; //所烧写分区的低地址，扇区单位 unsigned int lenhi; //所烧写分区的长度，高32位，扇区单位 unsigned int lenlo; //所烧写分区的长度，低32位，扇区单位 unsigned char dl_filename[16]; //所烧写分区的文件名称，长度固定16字节 unsigned char vf_filename[16]; //所烧写分区的校验文件名称，长度固定16字节 unsigned int encrypt; //所烧写分区的数据是否进行加密 0:加密 1：不加密 unsigned int verify; //所烧写分区的数据是否进行校验 0:不校验 1：校验 }__attribute__ ((packed)) dl_one_part_info; //分区烧写信息 typedef struct tag_download_info { unsigned int crc32; //crc unsigned int version; //版本号 0x00000101 unsigned char magic[8]; //"softw311" unsigned int download_count; //需要烧写的分区个数 unsigned int stamp[3]; //对齐 dl_one_part_info one_part_info[SUNXI_MBR_MAX_PART_COUNT]; //烧写分区的信息 unsigned char res[SUNXI_DL_RESERVED]; } __attribute__ ((packed)) sunxi_download_info; #endif