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Line 98: − − == NCSD ExHeader == − {| class="wikitable" border="1" − |- − ! OFFSET − ! SIZE − ! DESCRIPTION − |- − | 0x1000 − | 8 − | Title ID of main NCCH − |- − | 0x1008 − | 8 − | Reserved − |- − | 0x1010 − | 0x30 − | Initial Data − |- − | 0x1040 − | 0xC0 − | Reserved − |- − | 0x1100 − | 4 − | Magic ID, always 'NCCH' − |- − | 0x1104 − | 4 − | Content size, in media units (1 media unit = 0x200 bytes) − |- − | 0x1108 − | 8 − | Partition ID − |- − | 0x1110 − | 2 − | Maker code − |- − | 0x1112 − | 2 − | Version − |- − | 0x1114 − | 4 − | Reserved − |- − | 0x1118 − | 8 − | Program ID − |- − | 0x1120 − | 1 − | Temp flag − |- − | 0x1121 − | 0x2F − | Reserved − |- − | 0x1150 − | 0x10 − | Product code − |- − | 0x1160 − | 0x20 − | Extended header hash (SHA-256), over the cleartext ExHeader − |- − | 0x1180 − | 4 − | Extended header size − |- − | 0x1184 − | 4 − | Reserved − |- − | 0x1188 − | 8 − | Flags: byte[5]-byte[7] indicate content type ( system update, application, manual, ... ) size of media unit ( 512*2^byte[6] ) and encryption. − |- − | 0x1190 − | 4 − | Plain region offset, in media units − |- − | 0x1194 − | 4 − | Plain region size, in media units − |- − | 0x1198 − | 8 − | Reserved − |- − | 0x11A0 − | 4 − | ExeFS offset, in media units − |- − | 0x11A4 − | 4 − | ExeFS size, in media units − |- − | 0x11A8 − | 4 − | ExeFS hash region size, in media units − |- − | 0x11AC − | 4 − | Reserved − |- − | 0x11B0 − | 4 − | RomFS offset, in media units − |- − | 0x11B4 − | 4 − | RomFS size, in media units − |- − | 0x11B8 − | 4 − | RomFS hash region size, in media units − |- − | 0x11BC − | 4 − | Reserved − |- − | 0x11C0 − | 0x20 − | ExeFS superblock hash, over the cleartext ExeFS − |- − | 0x11E0 − | 0x20 − | RomFS superblock hash − |- − | 0x1200 − | 0x2E00 − | Reserved/Unused (Is filled with either 'F's or '0's) − |} − From the magic 'NCCH' to the end of the 'RomFS superblock hash' the data is identical to the [[NCCH#NCCH Header|NCCH Header]] of the [[NCCH#CXI|Executable NCCH]] Partition (NCCH 0).
There is no such thing as NCSD exheader
The region-specific NVer title for this NCSD presumably must exist on NAND. The NVer title version may also be used to check whether a system update is required before running the app.
The region-specific NVer title for this NCSD presumably must exist on NAND. The NVer title version may also be used to check whether a system update is required before running the app.