SceExfatfs

SceExfatfs handles FAT12/UVFAT12/FAT16/FAT32/exFAT file system parsing. It also supports TFAT32 or TexFAT which are transaction safe equivalents of FAT32 and exFAT.

Module

Version	World	Privilege
1.69-3.740.011	Non-secure	Kernel

Libraries

This module doesn't have library.

Data segment layout

Address	Size	Description
0x0000	4	mutex to lock mempool
0x0004	4	SceUID mempool SceExfatfsCommon of size 0x7F000
0x0008	4	unknown
0x000C	0x20	vfs_add_data exfat node
0x002C	4	unknown
0x0030	4 * 8(0x20)	Partition drive strings pointers. os0: etc.
0x0050	0x10	unknown
0x0060	4	SceFatfsCPTable memblock base.
0x0064	4	SceFatfsCPTable memblock guid.
0x0068	0x10	array of void* pointers (pools)
0x0078	4	some counter.
0x007C	4	unused in order to next member align.
0x0080	0x430 * 15(0x3ED0)	15 elements of type exfat_ctx
0x3F50	0x200 * 15(0x1E00)	Storage MBR
0x5D50	4	pointer
0x5D54	4	unknown
0x5D58	0x290*0x400(0xA4000)	0x400 elements of type file_entry
0xA9D58	0x290*0xC00(0x1EC000)	0xC00 elements of type file_entry. maybe related to ReserveUnusedFd.
0x295D58	0x78	unknown
0x295DD0	4	All file_entry elements number?
0x295DD4	4	Available SceExfatfs_data_0x5D50 elements number
0x295DD8	4	Related to ReserveUnusedFd number of SceExfatfs_data_0x5D50 elements. 0x200 in many case.
0x295DDC	4	Related to ReserveUnusedFd number of SceExfatfs_data_0x5D50 elements. 0x100 in many case.
0x295DE0	4	unknown
0x295DE4	4	SceExfatfsSharedResource fast mutex
0x295DE8	0x40	unknown

Types

See here (vita-headers)