The Root Port Interrupt Decode 2 Register reads from this location return INTx interrupt source status. Data from each read follows the format shown in the following table. For non-Root Port cores, reads return 0.
Bits | Name | Core Access | Reset Value | Description |
---|---|---|---|---|
15:0 | Reserved | RO | 0 | Reserved |
16 | INTA status | RO | 0 |
1 - INTA is asserted. Keeps 1 till INTA Deassert is received. 0 - INTA is deserted. Keep 0 till INTA Assert is received. |
17 | INTB status | RO | 0 |
1 - INTB is asserted. Keeps 1 till INTB Deassert is received. 0 - INTB is deserted. Keep 0 till INTB Assert is received. |
18 | INTC status | RO | 0 |
1 - INTC is asserted. Keeps 1 till INTC Deassert is received. 0 - INTC is deserted. Keep 0 till INTC Assert is received. |
19 | INTD status | RO | 0 |
1 - INTD is asserted. Keeps 1 till INTD Deassert is received. 0 - INTD is deserted. Keep 0 till INTD Assert is received. |
31:20 | Reserved | RO | 0 | Reserved |