IRQ Registers

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Registers[edit]

Old3DS Name Address Width Used by
Yes IRQ_IE 0x10001000 4 Boot9, Kernel9
Yes IRQ_IF 0x10001004 4 Boot9, Kernel9

IRQ_IE[edit]

Bitfield with enabled interrupts. See below for the IRQ<->bit mapping.

IRQ_IF[edit]

Bitfield with pending interrupts. See below for the IRQ<->bit mapping.

Interrupts[edit]

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