EMMC
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Size
PSVita eMMC size: 0xE3400000.
PSVita eMMC size displayed on PC after connecting it using a card reader: 0xE1400000. ( https://yifan.lu/2014/01/11/dumping-the-vita-nand/ )
Partitions
PSVita EMMC can be accessed using SceSdif module.
PSVita eMMC embeds the following partitions:
On Fat models:
| code | type | offset | size | name | description |
|---|---|---|---|---|---|
| 0x1 | raw | 0x40000 | 0x80000 | unknown name (not used by kernel) | First eMMC partition, some per-device data, "SMI" header, ?IdStorage? |
| 0x2 | raw | 0x800000 | 0x400000 | active/inactive slb2 (not used by kernel) | SLB2 Boot loaders |
| 0x2 | raw | 0xC00000 | 0x400000 | active/inactive slb2 (not used by kernel) | SLB2 Boot loaders |
| 0x3 | fat16 | 0x1000000 | 0x1000000 | active/inactive os0: | Main OS partition: kernel modules and Recovery |
| 0x3 | fat16 | 0x2000000 | 0x1000000 | active/inactive os0: | Main OS partition: kernel modules and Recovery |
| 0xC | fat16 | 0x3000000 | 0x6000000 | sa0: | Dictionary and font data |
| 0x6 | fat16 | 0x9000000 | 0x2000000 | tm0: | NPDRM/MARLIN/DEX/TOOL activation data |
| 0x4 | fat16 | 0xB000000 | 0x10000000 | vs0: | system applications & libraries |
| 0x5 | fat16 | 0x1B000000 | 0x2000000 | vd0: | Registry and error history |
| 0xB | fat16 | 0x1D000000 | 0x10000000 | ud0: | Updater (psp2swu.self and .PUP) copied here before reboot |
| 0xE | exfat | 0x2D000000 | 0x13000000 | pd0: | Welcome Park and welcome video |
| 0x7 | exfat | 0x40000000 | 0xA3400000 | ur0 | User resources, LiveArea cache, database, & other stuff |
On Slim and PSTV models:
| code | type | offset | size | name | description |
|---|---|---|---|---|---|
| 0x1 | raw | 0x40000 | 0x80000 | unknown name (not used by kernel) | First eMMC partition, some per-device data, "SMI" header, ?IdStorage? |
| 0x2 | raw | 0x800000 | 0x400000 | active/inactive slb2 (not used by kernel) | SLB2 Boot loaders |
| 0x2 | raw | 0xC00000 | 0x400000 | active/inactive slb2 (not used by kernel) | SLB2 Boot loaders |
| 0x3 | fat16 | 0x1000000 | 0x1000000 | active/inactive os0: | Main OS partition: kernel modules and Recovery |
| 0x3 | fat16 | 0x2000000 | 0x1000000 | active/inactive os0: | Main OS partition: kernel modules and Recovery |
| 0xC | fat16 | 0x3000000 | 0x6000000 | sa0: | Dictionary and font data |
| 0x6 | fat16 | 0x9000000 | 0x2000000 | tm0: | NPDRM/MARLIN/DEX/TOOL activation data |
| 0x4 | fat16 | 0xB000000 | 0x10000000 | vs0: | system applications & libraries |
| 0x5 | fat16 | 0x1B000000 | 0x2000000 | vd0: | Registry and error history |
| 0xB | fat16 | 0x1D000000 | 0x10000000 | ud0: | Updater (psp2swu.self and .PUP) copied here before reboot |
| 0xE | exfat | 0x2D000000 | 0x13000000 | pd0: | Welcome Park and welcome video |
| 0x7 | exfat | 0x40000000 | 0x60000000 | ur0: | User resources, LiveArea cache, database, & other stuff |
| 0x8 | exfat | 0xA0000000 | 0x43400000 | ux0: | Internal "memory card" |