PPC services
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APM is utilized for setting system performance profiles; including clocks for CPU, GPU, and memory.
apm
| Cmd | Name | Notes |
|---|---|---|
| 0 | GetISession | |
| 1 | GetPerformanceMode |
apm:p
| Cmd | Name | Notes |
|---|---|---|
| 0 | GetISession | Same as apm ISession - but more privileged? |
| 1 | ? |
apm:sys
Internally known as ISystemManager
ISession
| Cmd | Name | Notes |
|---|---|---|
| 0 | SetPerformanceConfiguration | Takes u32 PerformanceMode |
| 1 | GetPerformanceConfiguration | Takes u32 PerformanceMode, u32 PerformanceConfiguration |
PerformanceMode
| Value | Name |
|---|---|
| 0 | Handheld |
| 1 | Docked |
PerformanceConfiguration
| Value | CPU clock | GPU clock | Memory clock |
|---|---|---|---|
| 0x00010000 | 1020 | 384 | 1600 |
| 0x00010001 | 1020 | 768 | 1600 |
| 0x00010002 | 1224 | 691.2 | 1600 |
| 0x00020000 | 1020 | 230.4 | 1600 |
| 0x00020001 | 1020 | 307.2 | 1600 |
| 0x00020002 | 1224 | 230.4 | 1600 |
| 0x00020003 | 1020 | 307 | 1331.2 |
| 0x00020004 | 1020 | 384 | 1331.2 |
| 0x00020005 | 1020 | 307.2 | 1065.6 |
| 0x00020006 | 1020 | 384 | 1065.6 |
| 0x92220007 | 1020 | 460.8 | 1600 |
| 0x92220008 | 1020 | 460.8 | 1331.2 |
Clocks are all in MHz.
Configurations 0x10001 and 0x10002 are only available in boost mode.