A.6 Miscellaneous signals

The following table shows the GIC-600 miscellaneous signals.

Table A-6 Miscellaneous signals

Signal name Type Source or destination Description
ppi_id[15:0] Input Interrupt source RedistributorID number that is used for system identification only. Software can read the GICR_CFGID0 register to access the value of this signal.
its_id[7:0] Input ITS block ID number that is used for system identification only. Software can read the GITS_CFGID register to access the value of this signal.
sample_req Input Debug controller Request to sample PMU. Equivalent to writing to the GICP_CAPR register.
sample_ack Output Debug controller sample_req accept.
fault_int Output System control processor Fault handling interrupt.
err_int Output System control processor Error handling interrupt.
pmu_int Output Debug controller PMU overflow length.
gict_allow_ns Input Tie-off Allow Non-secure access to error record registers.
gicp_allow_ns Input Tie-off Allow Non-secure access to PMU registers.
Non-ConfidentialPDF file icon PDF version100336_0104_00_en
Copyright © 2016–2018 Arm Limited or its affiliates. All rights reserved.