Registers #
| Old3DS | Name | Address | Width | Used by |
|---|---|---|---|---|
| Yes | IRQ_IE | 0x10001000 | 4 | Boot9, Kernel9 |
| Yes | IRQ_IF | 0x10001004 | 4 | Boot9, Kernel9 |
IRQ_IE #
Bitfield with enabled interrupts. See below for the IRQ<->bit mapping.
IRQ_IF #
Bitfield with pending interrupts. See below for the IRQ<->bit mapping.
Returns the pending interrupt bits on read, clears them on write (writing 0-bits has no effect).
Interrupts #
| IRQ bit | Description |
|---|---|
| 0 | DMAC_1_0 |
| 1 | DMAC_1_1 |
| 2 | DMAC_1_2 |
| 3 | DMAC_1_3 |
| 4 | DMAC_1_4 |
| 5 | DMAC_1_5 |
| 6 | DMAC_1_6 |
| 7 | DMAC_1_7 |
| 8 | TIMER_0 |
| 9 | TIMER_1 |
| 10 | TIMER_2 |
| 11 | TIMER_3 |
| 12 | PXI_SYNC |
| 13 | PXI_NOT_FULL |
| 14 | PXI_NOT_EMPTY |
| 15 | AES |
| 16 | SDIO_1 |
| 17 | SDIO_1_ASYNC |
| 18 | SDIO_3 |
| 19 | SDIO_3_ASYNC |
| 20 | DEBUG_RECV |
| 21 | DEBUG_SEND |
| 22 | RSA |
| 23 | CTR_CARD_1 |
| 24 | CTR_CARD_2 |
| 25 | CGC |
| 26 | CGC_DET |
| 27 | DS_CARD |
| 28 | DMAC_2 |
| 29 | DMAC_2_ABORT |