TRCPIDR4, ETM Peripheral Identification Register 4
The TRCPIDR4 provides information to identify a trace component.
Bit field descriptions
The TRCPIDR4 is a 32-bit register.
Figure D8-56 TRCPIDR4 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 bits[3:0] of the JEP106 continuation code.
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 TRCPIDR4 can be accessed through the external debug interface, offset