SceSdstor
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Module
SceSdstor module does not export any functions exсept module_start.
This module is responsible for initializing all storage devices. This includes:
- eMMC
- Game gard
- Memory card
- Usb Mass Storage (unknown SceUsbMassForDriver)
Known NIDs
Version | Name | World | Privilege | NID |
---|---|---|---|---|
1.69 | SceSdstor | Non-secure | Kernel | 0x5804A397 |
3.60 | SceSdstor | ? | Kernel | 0xD7FBAE7C |
Libraries
Known NIDs
Version | Name | World | Visibility | NID |
---|
Types
typedef struct partition_entry //size is 0x1C
{
uint32_t partitionOffset;
uint32_t partitionSize;
sdstor_mbr_ctx* ctx;
void* partitionEntryPtr; //pointer to partition entry in MBR
char* numericName; //null terminated name (000, 001, ...)
unt8_t flags1;
unt8_t flags2;
uint16_t unk1;
uint32_t unk2;
}partition_entry;
typedef struct sdstor_mbr_ctx //size is 0x238
{
uint8_t unk_0[0x50];
uint32_t unk_50;
void* mbr_ptr; //pointer to corresponding MBR record in array (offset 0x40)
uint32_t unk_58;
uint32_t unk_5C;
uint8_t unk_60[0x1D8];
}sdstor_mbr_ctx;
//named after "SceSdStorDevice" mutex
typedef struct sd_stor_device //size is 0x54
{
int unk_0;
int unk_4;
int unk_8;
int unk_C;
int unk_10;
int unk_14;
int unk_18;
int unk_1C;
int unk_20;
int unk_24;
int unk_28;
int unk_2C;
int unk_30;
int unk_34;
int unk_38;
int unk_3C;
char index1; // (0x00, 0x01, 0xFF, 0xFF, 0x03)
char index2; // (0x00, 0x00, 0x02, 0x03, 0x01)
char unk_42;
char unk_43;
int unk_44;
int unk_48;
int unk_4C;
int unk_50;
}sd_stor_device;
Data segment layout
Address | Size | Description |
---|---|---|
0x0000 | 0x40 | unknown |
0x0040 | 0x200 | MBR of eMMC |
0x0240 | 0x200 | MBR of Game gard |
0x0440 | 0x200 | MBR of Memory card |
0x0640 | 0x200 | unknown (most likely for MBR since there are 5 elements in all arrays) |
0x0840 | 0x200 | unknown (most likely for MBR since there are 5 elements in all arrays) |
0x0A40 | 0x238 | sdstor_mbr_ctx element 0 |
0x0C78 | 0x238 | sdstor_mbr_ctx element 1 |
0x0EB0 | 0x238 | sdstor_mbr_ctx element 2 |
0x10E8 | 0x238 | sdstor_mbr_ctx element 3 |
0x1320 | 0x238 | sdstor_mbr_ctx element 4 |
0x1558 | 0x54 | sd_stor_device element 0 |
0x15AC | 0x54 | sd_stor_device element 1 |
0x1600 | 0x54 | sd_stor_device element 2 |
0x1654 | 0x54 | sd_stor_device element 3 |
0x16A8 | 0x54 | sd_stor_device element 4 |
0x16FC | 0x20 | vfs_add_data sdstor_dev_fs node
|
0x171C | 0x04 | SceUID of mempool "SceSdStorVfs" of size 0x2000 |
0x1720 | 0x200 | unknown (gcd-lp-act-mediaid ?) |
0x1920 | 0x200 | unknown (mcd-lp-act-mediaid ?) |
0x1B20 | 0xB4 | array of 5 structures of size 0x24 |
0x1BD4 | 0x1C | unknown |
0x1BF0 | 0x3C | array of 5 structures of size 0xC |
0x1C2C | 0x8C | array of 5 structures of size 0x1C |
0x1CB8 | 0x8 | unknown |
0x1CC0 | 0x200 | MBR of Game gard |
SceSdstor
module_start
Version | NID |
---|---|
3.60 | 0x935cd196 |
int module_start();