4.4.6 Class Register, GICR_CLASS

This register controls the assignment of interrupts to either class 0 or class 1.

The GICR_CLASS characteristics are:

Usage constraintsThere are no usage constraints.
ConfigurationsAvailable in all GIC-600 configurations.
AttributesSee 4.4 Redistributor registers for control and physical LPIs summary.

The following figure shows the bit assignments.

Figure 4-22 GICR_CLASS bit assignments
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The following table shows the bit assignments.

Table 4-27 GICR_CLASS bit assignments

Bits Name Function
[31:1] - Reserved, RAZ/WI.
[0] Class

Interrupt class:

0 = Class 0.

1 = Class 1.

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