Loader services
ldr:dmnt
This is "nn::ldr::detail::IDebugMonitorInterface".
| Cmd | Name |
|---|---|
| 0 | AddProcessToDebugLaunchQueue |
| 1 | ClearDebugLaunchQueue |
| 2 | GetNsoInfos |
AddProcessToDebugLaunchQueue
Same as AddProcessToLaunchQueue but for processes marked as debug.
ClearDebugLaunchQueue
Same as ClearLaunchQueue.
GetNsoInfos
Takes in a u64 ProcessID, and a C descriptor. Returns the number of NsoInfos copied to output.
NsoInfo has the following layout:
| Offset | Size | Description |
|---|---|---|
| 0x0 | 0x20 | "Build ID", from NSO header+0x40. |
| 0x20 | 0x8 | Mapped address for this NSO |
| 0x28 | 0x8 | Mapped size for this NSO |
ldr:pm
This is "nn::ldr::detail::IProcessManagerInterface".
| Cmd | Name |
|---|---|
| 0 | CreateProcess |
| 1 | #GetProgramInfo |
| 2 | #RegisterTitle |
| 3 | #UnregisterTitle |
GetProgramInfo
Takes a TitleId + StorageId, parses the NPDM, and writes output to a C descriptor buffer as follows:
| Offset | Size | Description |
|---|---|---|
| 0x0 | 0x1 | MainThreadPrio. Arg1 to svcStartProcess |
| 0x1 | 0x1 | DefaultCpuId. Arg2 to svcStartProcess |
| 0x2 | 0x1 | ApplicationType, see here. |
| 0x3 | 0x1 | Padding |
| 0x4 | 0x4 | MainThreadStackSize. Arg3 to svcStartProcess |
| 0x8 | 0x8 | TitleIdRange_Min |
| 0x10 | 0x4 | ACID Service Access Control list size |
| 0x14 | 0x4 | ACI0 Service Access Control list size |
| 0x18 | 0x4 | ACID FS Access Control buffer size |
| 0x1C | 0x4 | ACI0 FS Access Control buffer size |
| 0x20 | <Varies> | ACID Service Access Control list |
| <Varies> | <Varies> | ACI0 Service Access Control list |
| <Varies> | <Varies> | ACID FS Access Control buffer |
| <Varies> | <Varies> | ACI0 FS Access Control |
RegisterTitle
Takes a TitleId + StorageId, returns an index.
UnregisterTitle
Takes the index from #RegisterTitle.
ldr:shel
This is "nn::ldr::detail::IShellInterface".
| Cmd | Name |
|---|---|
| 0 | #AddProcessToLaunchQueue |
| 1 | #ClearLaunchQueue |
AddProcessToLaunchQueue
Takes a type-0x9 input buffer with launch arguments (as string), an u32 (size of arguments string), and an input title-id.
Loads a process for the specified title-id and passes along the supplied arguments. Loaded processes are kept in a queue waiting for PM to launch them. The maximum number of waiting processes in this list is 10.
ClearLaunchQueue
Clears the loaded processes waiting queue.