Understanding Interrupt Mapping from PL to PS in Vivado 2014.x

1. Zynqintr – part 2

2. Content • Description of the interrupt between PL to PS in Vivado 2014.x

3. Concat block in 2014.x • The concat block maintains the interrupts order.

4. PS interrupt setup in 2014.x • The note attached to the interrupt setup tick box is misleading: • It gives an incorrect idea of what is happening • See on the next slide for what is actually happening

5. PS7 source files • Two auto-generated source files are now of interest: • Dev_processing_system7_0_0.v is a wrapper for • Processing_system7_v5_4_processing_system7.v

6. C_IRQ_F2P_MODE • This is a new parameter introduced in 2014.x. • It is assigned a value in Dev_processing_system7_0_0.v and passed to Processing_system7_v5_4_processing_system7.v • The parameter value passed is “DIRECT”.

7. Generated PS source file in 2014.x • The “DIRECT” parameter is now used in mapping the interrupt vector IRQ_F2P to the internal interrupt vector irq_f2p_i

8. An illustration of the interrupt mapping for IRQ_F2P_MODE = DIRECT

9. Summary of interrupt mapping strategy in 2014.x in DIRECT mode.