Difference between revisions of "Loader services"
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== GetProgramInfo == | == GetProgramInfo == | ||
| − | Takes a TitleId + StorageId and writes output to a C descriptor buffer as follows: | + | Takes a TitleId + StorageId, parses the NPDM, and writes output to a C descriptor buffer as follows: |
{| class="wikitable" border="1" | {| class="wikitable" border="1" | ||
| Line 50: | Line 50: | ||
| 0x2 | | 0x2 | ||
| 0x1 | | 0x1 | ||
| − | | | + | | ApplicationType, see [[Process Manager services|here]]. |
|- | |- | ||
| 0x3 | | 0x3 | ||
Revision as of 15:22, 14 September 2017
ldr:dmnt
| Cmd | Name |
|---|---|
| 0 | AddProcessToDebugLaunchQueue |
| 1 | ClearDebugLaunchQueue |
| 2 |
AddProcessToDebugLaunchQueue
Same as AddProcessToLaunchQueue but for processes marked as debug.
ClearDebugLaunchQueue
Same as ClearLaunchQueue but for processes marked as debug.
ldr:pm
| 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 | Title id |
| 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
| Cmd | Name |
|---|---|
| 0 | #AddProcessToLaunchQueue |
| 1 | #ClearLaunchQueue |
AddProcessToLaunchQueue
Takes a type-0x19 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.
ldr:ro
| Cmd | Name |
|---|---|
| 0 | #LoadNro |
| 1 | UnloadNro |
| 2 | #LoadNrr |
| 3 | UnloadNrr |
| 4 | #Initialize |
LoadNro
| Word | Value |
|---|---|
| 0 | 0x00000004 |
| 1 | 0x80000012 |
| 2 | 0x00000001 |
| 0-1 | Pid |
| 0 | "SCFI" |
| 1 | 0x00000000 |
| 2 | Always 0. |
| 3 | Nro heap address |
| 4 | Nro size |
| 5 | Bss backing heap address |
| 6 | Bss size |
LoadNrr
| Word | Value |
|---|---|
| 0 | 0x00000004 |
| 1 | 0x8000000E |
| 2 | 0x00000001 |
| 0-1 | Pid |
| 0 | "SFCI" |
| 1 | 0x00000002 |
| 2 | Always 0. |
| 3 | Nrr address |
| 4 | Nrr size |
Initialize
| Word | Value |
|---|---|
| 0 | 0x00000004 |
| 1 | 0x8000000A |
| 2 | 0x00000003 |
| 0-1 | Pid |
| 2 | Process handle (0xFFFF8001) |
| 0 | "SFCI" |
| 1 | 0x00000004 |
| 2 | Always 0. |