PDN Services
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PDN PTM Service "pdn:s"
| Command Header | Description |
|---|---|
| 0x00010000 | This loads the u32s from 0x1EC41000+8 and 0x1EC41000+12, then writes those to cmdreplyword[2] and cmdreplyword[3]. |
| 0x00020080 | u32 0x1EC41000+12 = cmdword[2] & cmdword[1]. This then writes cmdword[1] to u32 0x1EC41000+8. u32 0x1EC41000+12 = cmdword[2] & ~cmdword[1]. |
| 0x00030040 | This writes cmdword[1] to u32 0x1EC41000+12. |
PDN DSP Service "pdn:d"
| Command Header | Description |
|---|---|
| 0x000100C0 | (u8 unk0, u8 unk1, u8 unk2) ?controls power to the DSP <just a guess>? |
PDN CODEC Service "pdn:i"
| Command Header | Description |
|---|---|
| 0x00010040 | This sets bit0 in u8 *(0x1EC41000+0x220) to u8 cmd+4. |
| 0x00020040 | This sets bit1 in u8 *(0x1EC41000+0x220) to u8 cmd+4. |
PDN GSP service "pdn:g"
| Command Header | Description |
|---|---|
| 0x000100C0 | (u8 unk0, u8 unk1, u8 unk2) ?controls power to the GPU <just a guess>? |
PDN Camera Service "pdn:c"
| Command Header | Description |
|---|---|
| 0x00010040 | This sets bit0 in u8 *(0x1EC41000+0x224) to u8 cmd+4. |
| 0x000200000 | This writes u8 *(0x1EC41000+0x224) & 1 to u8 cmdreply+8. |