diff options
Diffstat (limited to 'u-boot/include/fat.h')
| -rwxr-xr-x[-rw-r--r--] | u-boot/include/fat.h | 32 |
1 files changed, 16 insertions, 16 deletions
diff --git a/u-boot/include/fat.h b/u-boot/include/fat.h index afb2116..706cd7a 100644..100755 --- a/u-boot/include/fat.h +++ b/u-boot/include/fat.h @@ -33,22 +33,15 @@ /* Maximum Long File Name length supported here is 128 UTF-16 code units */ #define VFAT_MAXLEN_BYTES 256 /* Maximum LFN buffer in bytes */ #define VFAT_MAXSEQ 9 /* Up to 9 of 13 2-byte UTF-16 entries */ -#define LINEAR_PREFETCH_SIZE (SECTOR_SIZE*2) /* Prefetch buffer size */ - -#define SECTOR_SIZE FS_BLOCK_SIZE - -#define FS_BLOCK_SIZE 512 - -#if FS_BLOCK_SIZE != SECTOR_SIZE -#error FS_BLOCK_SIZE != SECTOR_SIZE - This code needs to be fixed! -#endif +#define PREFETCH_BLOCKS 2 #define MAX_CLUSTSIZE 65536 -#define DIRENTSPERBLOCK (FS_BLOCK_SIZE/sizeof(dir_entry)) -#define DIRENTSPERCLUST ((mydata->clust_size*SECTOR_SIZE)/sizeof(dir_entry)) +#define DIRENTSPERBLOCK (mydata->sect_size / sizeof(dir_entry)) +#define DIRENTSPERCLUST ((mydata->clust_size * mydata->sect_size) / \ + sizeof(dir_entry)) #define FATBUFBLOCKS 6 -#define FATBUFSIZE (FS_BLOCK_SIZE*FATBUFBLOCKS) +#define FATBUFSIZE (mydata->sect_size * FATBUFBLOCKS) #define FAT12BUFSIZE ((FATBUFSIZE*2)/3) #define FAT16BUFSIZE (FATBUFSIZE/2) #define FAT32BUFSIZE (FATBUFSIZE/4) @@ -106,6 +99,8 @@ #endif #define TOLOWER(c) if((c) >= 'A' && (c) <= 'Z'){(c)+=('a' - 'A');} +#define TOUPPER(c) if ((c) >= 'a' && (c) <= 'z') \ + (c) -= ('a' - 'A'); #define START(dent) (FAT2CPU16((dent)->start) \ + (mydata->fatsize != 32 ? 0 : \ (FAT2CPU16((dent)->starthi) << 16))) @@ -181,13 +176,14 @@ typedef struct dir_slot { * (see FAT32 accesses) */ typedef struct { - __u8 fatbuf[FATBUFSIZE]; /* Current FAT buffer */ + __u8 *fatbuf; /* Current FAT buffer */ int fatsize; /* Size of FAT in bits */ - __u16 fatlength; /* Length of FAT in sectors */ + __u32 fatlength; /* Length of FAT in sectors */ __u16 fat_sect; /* Starting sector of the FAT */ - __u16 rootdir_sect; /* Start sector of root directory */ + __u32 rootdir_sect; /* Start sector of root directory */ + __u16 sect_size; /* Size of sectors in bytes */ __u16 clust_size; /* Size of clusters in sectors */ - short data_begin; /* The sector of the first cluster, can be negative */ + int data_begin; /* The sector of the first cluster, can be negative */ int fatbufnum; /* Used by get_fatent, init to -1 */ } fsdata; @@ -212,8 +208,12 @@ file_read_func file_fat_read; int file_cd(const char *path); int file_fat_detectfs(void); int file_fat_ls(const char *dir); +long file_fat_read_at(const char *filename, unsigned long pos, void *buffer, + unsigned long maxsize); long file_fat_read(const char *filename, void *buffer, unsigned long maxsize); const char *file_getfsname(int idx); +int fat_set_blk_dev(block_dev_desc_t *rbdd, disk_partition_t *info); int fat_register_device(block_dev_desc_t *dev_desc, int part_no); +int file_fat_write(const char *filename, void *buffer, unsigned long maxsize); #endif /* _FAT_H_ */ |