The RootPort Interrupt Decode 2 Mask register controls whether INTx interrupt is checked by Interrupt decode bit 16 and also forwarded to interrupt_out in Interrupt Decode mode. The Root Port Interrupt Decode 2 Mask Register initializes to all zeros. The following table describes the register bits.
Bits | Name | Core Access | Reset Value | Description |
---|---|---|---|---|
15:0 | Reserved | RO | 0 | Reserved |
16 | INTA status | RW | 0 |
1 - INTA is checked by Interrupt Decode [16] 0 - INTA is not checked by Interrupt Decode [16] |
17 | INTB status | RW | 0 |
1 - INTB is checked by Interrupt Decode [16] 0 - INTB is not checked by Interrupt Decode [16] |
18 | INTC status | RW | 0 |
1 - INTC is checked by Interrupt Decode [16] 0 - INTC is not checked by Interrupt Decode [16] |
19 | INTD status | RW | 0 |
1 - INTD is checked by Interrupt Decode [16] 0 - INTD is not checked by Interrupt Decode [16] |
31:20 | Reserved | RO | 0 | Reserved |