emuMMC

A SDMMC driver replacement for Nintendo's Filesystem Services, by m4xw

1.0.0 - 21.2.0

Features

Arbitrary SDMMC backend selection
This allows loading eMMC from SD or even SD from eMMC
On the fly hooking / patching, fully self-infesting
Only one payload required for all versions!
File-based SDMMC backend support (from SD)
This allows loading eMMC images from hekate-backups (split or not)
SDMMC device based sector offset (currently eMMC only)
Raw partition support for eMMC from SD with less performance overhead
Full support for /Nintendo folder redirection to a arbitrary path
No 8 char length restriction!
exosphere based context configuration
This includes full support for multiple emuMMC images

Run ./build.sh and copy the produced kipm (Kernel Initial Process Modification) file to /bootloader/sys/

Run make, the resulting kip can be used for code injection via fusee (place at /atmosphere/emummc.kip)

emuMMC is released as GPLv2

CTCaer - The CTCaer hekate fork, file-based emuMMC support, SDMMC driver fixes among other things
SciresM, hexkyz - The Atmosphere project, FS offsets, additional research related to newer FS versions
naehrwert - The hekate project, its SDMMC driver and being very helpful in the early research phase
jakibaki - KIP Inject PoC, used in the early dev phase
switchbrew/devkitPro - devkitA64 and libnx sources