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TRCIDR9, ID Register 9

The TRCIDR9 returns the number of P0 right-hand keys that the trace unit can use.

Bit field descriptions

The TRCIDR9 is a 32-bit register.

Figure D8-34 TRCIDR9 bit assignments


NUMP0KEY, [31:0]

The number of P0 right-hand keys that the trace unit can use.

0Number of P0 right-hand keys.

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 TRCIDR9 can be accessed through the external debug interface, offset 0x184.

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