gicd_irouter_t Union Reference

Interrupt Routing Register entry, GICD_IROUTER<n>. More...

Data Fields
uint64_t	raw
	Raw 64-bit register value.
struct {
uint64_t   aff0: 8
	Affinity level 0 of the target PE.
uint64_t   aff1: 8
	Affinity level 1 of the target PE.
uint64_t   aff2: 8
	Affinity level 2 of the target PE.
uint64_t   res0: 7
	Reserved.
gicd_irm_t   irm: 1
	Interrupt Routing Mode. 0: route to Aff3.Aff2.Aff1.Aff0. 1: route to any participating PE.
uint64_t   aff3: 8
	Affinity level 3 of the target PE.
uint64_t   res1: 24
	Reserved.
};

Detailed Description

Interrupt Routing Register entry, GICD_IROUTER<n>.

Selects the target PE for SPI INTID n by affinity, or broadcasts it to all participating PEs if IRM is set. On a single-core system, leaving the entire register zero routes the interrupt to PE 0.0.0.0.

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The documentation for this union was generated from the following file:

• src/kernel/drivers/gicv3.c