SceSblSsSmComm is a kernel module that is primary responsible for sending F00D commands.
Module
Known NIDs
| Version |
Name |
World |
Privilege |
NID
|
| 1.69 |
SceSblSsSmComm |
Non-secure |
Kernel |
0xA6A2A041
|
| 3.57 |
SceSblSsSmComm |
Non-secure |
Kernel |
0x301EDC39
|
| 3.60 |
SceSblSsSmComm |
Non-secure |
Kernel |
0xBB4B5D92
|
Libraries
Known NIDs
Types
/* example of caller_self_info
char data[0x90] =
{
0x01,0x00,0x00,0x00, 0x00,0x00,0x08,0x28, // KBL program-authority-id
0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,
0x80,0x00,0x00,0x00, 0xC0,0x00,0xF0,0x00,
0x00,0x00,0x00,0x00, 0xFF,0xFF,0xFF,0xFF,
0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,
0x80,0x09,0x80,0x03, 0x00,0x00,0xC3,0x00,
0x00,0x00,0x80,0x09, 0x80,0x00,0x00,0x00,
0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00, 0xFF,0xFF,0xFF,0xFF,
0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,
}; */
typedef struct SceSblSmCommContext130 // size is 0x130 as its name indicates
{
uint32_t unk_0;
uint32_t self_type; // kernel = 0, user = 1, SM = 2
SceSelfInfo caller_self_info; // can be obtained with sceKernelGetSelfAuthInfoForKernel
SceSelfInfo called_self_info; // set by F00D in F00D SceSblSmCommContext130 response
uint32_t pathId; // can be obtained with sceSblACMgrGetMediaTypeForKernel or sceIoGetMediaTypeForDriver
uint32_t unk_12C; // if (kbl_param->boot_type_1 & 0x40) == true set unk_12C to 1, else set to 0xA
} SceSblSmCommContext130;
SceSblSmCommForKernel
sceSblSmCommStopSmForKernel
| Version |
NID
|
| 0.990-3.60 |
0x0631F8ED
|
This function calls sceSblSmCommCallFuncForKernel with -1 as command_id and then calls sceSblSmSchedProxyWaitForKernel.
int sceSblSmCommStopSmForKernel(int id, int result[2]);
sceSblSmCommStartSmFromDataForKernel
| Version |
NID
|
| 3.60 |
0x039C73B1
|
// Priority is binary: 1 = low, 0 = high. Running a high priority SM module while
// a low priority one is currently running will [[F00D Processor|suspend]] it.
int sceSblSmCommStartSmFromDataForKernel(int priority, const char *sm_self_data, int sm_self_size, int num1, SceSblSmCommContext130 *ctx_130, int* id);
sceSblSmCommStartSmFromFileForKernel
| Version |
NID
|
| 0.990-1.69 |
0x992BB9DB
|
| 3.60 |
0x7863A0CC
|
num1 might be command ID. For exemple in 0.940 ss_mgr.skprx, when loading "os0:sm/qaf_sm.self", num1 = -1, 0, 1, 4, 5, 6, 7.
// Priority is binary: 1 = low, 0 = high. Running a high priority SM module while
// a low priority one is currently running will [[F00D Processor|suspend]] it.
int sceSblSmCommStartSmFromFileForKernel(int priority, char* sm_self_path, int num1, SceSblSmCommContext130* ctx_130, int* id);
sceSblSmCommCallFuncForKernel
| Version |
NID
|
| 1.69-3.60 |
0xDB9FC204
|
sm_comm_context is described more here
f00d_resp comes from Request Buffer from offset 0x08
gc_param is generated by game card and has value 0x01
typedef struct SceSblSmCommGcData {
int unk_0; // 1
int gc_command;
char gc_buffer[0x800];
int gc_param;
int length;
int unk_810; // 0
} SceSblSmCommGcData; /* size = 0x814 */
typedef struct SceSblSmCommMsifData {
unsigned int unk00;
unsigned int unk04;
unsigned int unk08;
unsigned int unk0C;
unsigned int unk10;
unsigned int unk14;
unsigned int unk18;
unsigned int unk1C;
} SceSblSmCommMsifData; /* size = 0x20 */
int sceSblSmCommCallFuncForKernel(int id, int service_id, int *f00d_resp, void *data, int size);
SceSblSsSmComm
This library is present on 1.69 but is not present on 3.60.
sceSblSmCommStopSm
| Version |
NID
|
| 1.69 |
0x0631F8ED
|
sceSblSmCommStartSm_
| Version |
NID
|
| 1.69 |
0x992BB9DB
|
sceSblSmCommCallFunc
| Version |
NID
|
| 1.69 |
0xDB9FC204
|