DragonOS-Community/DragonOS
4
1
Fork 0
mirror of https://github.com/DragonOS-Community/DragonOS.git synced 2025-06-22 07:03:22 +00:00
Code Issues Releases Wiki Activity

🆕 vfs虚拟文件系统

Browse Source
This commit is contained in:
fslongjin
2022-04-21 23:48:47 +08:00
parent 2467367e05
commit 7d3c1b098e
4 changed files with 234 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

28
kernel/filesystem/fat32/fat32.h
View File

@ -129,13 +129,39 @@ struct fat32_partition_info_t
struct fat32_BootSector_t bootsector;
struct fat32_FSInfo_t fsinfo;
uint64_t fsinfo_sector_addr_infat;
uint64_t bootsector_bak_sector_addr_infat;
uint64_t starting_sector;
uint64_t sector_count;
uint64_t sec_per_clus; // 每簇扇区数
uint64_t bytes_per_sec; // 每扇区字节数
uint64_t bytes_per_clus; // 每簇字节数
uint64_t first_data_sector; // 数据区起始扇区号
uint64_t bytes_per_clus; // 每簇字节数
uint64_t FAT1_base_sector; // FAT1表的起始簇号
uint64_t FAT2_base_sector; // FAT2表的起始簇号
uint64_t sec_per_FAT; // 每FAT表扇区数
uint64_t NumFATs; // FAT表数
};
typedef struct fat32_partition_info_t fat32_sb_info_t;
struct fat32_inode_info_t
{
uint64_t first_clus;
uint64_t dEntry_location_clus; // dEntry struct in cluster (0 is root, 1 is invalid)
uint64_t dEntry_location_clus_offset; // dEntry struct offset in cluster
uint16_t create_date;
uint16_t create_time;
uint16_t write_time;
uint16_t write_date;
};
typedef struct fat32_inode_info_t fat32_inode_info_t;
/**
* @brief 注册指定磁盘上的指定分区的fat32文件系统
*