4.8.9 Error Record ID Register, GICT_ERRIDR

This register returns information about the configuration of the GIC-600 GICT such as whether an LPI or ITS is available.

The GICT_ERRIDR characteristics are:

Usage constraintsIf GICD_SAC.GICTNS == 0, then only Secure software can read this register.
ConfigurationsAvailable in all GIC-600 configurations.
AttributesSee 4.8 GICT register summary.

The following table shows the bit assignments.

Table 4-55 GICT_ERRIDR bit assignments

Bits Name Function
[31:16] - Reserved, RAZ.
[15:0] NUM

Identifies the device configuration:

10 = No LPI available.

12 = LPI available but no ITS.

14 = LPI available and 1 × ITS.

15 = LPI available and 2 × ITS.

16 = LPI available and 3 × ITS.

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