To access the PMCEID1:
MRC p15,0,<Rt>,c9,c12,7 ; Read PMCEID1 into Rt
The PMCEID1 can be accessed through the external debug interface, offset 0xE24.
C10 PMU registers
C10.4 Performance Monitors Common Event Identification Register 1
100236_0100_00_en Copyright © 2015–2017, 2019 Arm Limited or its affiliates. All rights
reserved.
C10-701
Non-Confidential