D6.11 PMPIDR4, Performance Monitors Peripheral Identification Register 4
The PMPIDR4 provides information to identify a Performance Monitor component.
Bit field descriptions
The PMPIDR4 is a 32-bit register.
D6-10 PMPIDR4 bit assignments
- RES0, [31:8]
- Size, [7:4]
|Size of the component. Log2 the number of 4KB pages from the
start of the component to the end of the component ID registers.
- DES_2, [3:0]
|Arm Limited. This is the least significant nibble JEP106
Bit fields and details not provided in this description are
architecturally defined. See the
Arm® Architecture Reference Manual Armv8, for Armv8-A architecture profile.
The PMPIDR4 can be accessed through the external debug interface, offset