Filesystem services: Difference between revisions

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|SetOtherSaveDataSecureValue
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|Related to Secure Value? Used in Pokemon Sun/Moon.
|Related to Secure Value? Used in Pokemon Sun/Moon.
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|SetThisSaveDataSecureValue
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|Related to Secure Value? Used in Pokemon Sun/Moon.
|Related to Secure Value? Used in Pokemon Sun/Moon.
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=File and directory access=
=File and directory access=
==Files==
==Files==
File session handles obtained via [[FS:OpenFile]] et al can be used to access files through a service-like interface, despite not being an actual service registered using [[SRV:RegisterService]].
File session handles obtained via [[FS:OpenFile]] and [[FS:OpenFileDirectly]] can be used to access files through a service-like interface, despite not being an actual service registered using [[SRV:RegisterService]]. To use this service-like interface, simply call the SendSyncRequest SVC with a file session handle, using the IPC buffer in thread-local storage for parameters and responses, just like you would with a proper service.


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==Directories==
==Directories==
Directory session handles obtained via [[FS:OpenDirectory]] are usable via a service-like interface, following the exact same procedure described above for file sessions.
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| SD
| SD
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| 2
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| TWL Photo
| TWL Photo
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|  0x10
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|  0x120
|  The [[nand/private/movable.sed]], encrypted with AES-CTR using the above MAC for the counter.
|  The [[nand/private/movable.sed]], encrypted with AES-CBC using the above MAC for the counter.
|}
|}