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NAND stores the shared extdata and is structured exactly the same way, see [[Flash Filesystem]].
NAND stores the shared extdata and is structured exactly the same way, see [[Flash Filesystem]].
Extdata image 00000001 contains a VSXE partition for the FST, the actual file data is stored in the following extdata images.
Extdata image 00000001 contains a VSXE partition for the FST, the actual file data is stored in the subsequent extdata images.
Regular apps can only mount SD extdata using the same extdataID which is stored in the [[NCCH#CXI|CXI]] exheader. Therefore, regular apps which have the exheader extdataID set to zero can't use extdata. This restriction doesn't apply for shared extdata with extdataID high bitmask 0x48000 stored on NAND. System apps with a certain access right can mount arbitrary extdata.
Regular apps can only mount SD extdata using the same extdataID which is stored in the [[NCCH#CXI|CXI]] exheader. Therefore, regular apps which have the exheader extdataID set to zero can't use extdata. This restriction doesn't apply for shared extdata with extdataID high bitmask 0x48000 stored on NAND. System apps with a certain access right can mount arbitrary extdata.