0b00 The trace unit does not perform a Context ID comparison.
0b01 The trace unit performs a Context ID comparison using the Context ID comparator
that the CONTEXT field specifies, and signals a match if both the Context ID
comparator matches and the address comparator match.
0b10 The trace unit performs a VMID comparison using the VMID comparator that the
CONTEXT field specifies, and signals a match if both the VMID comparator and the
address comparator match.
0b11 The trace unit performs a Context ID comparison and a VMID comparison using the
comparators that the CONTEXT field specifies, and signals a match if the Context ID
comparator matches, the VMID comparator matches, and the address comparator
matches.
TYPE, [1:0]
Type of comparison:
0b00 Instruction address, RES0.
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 TRCACATRn can be accessed through the external debug interface, offset 0x480-0x4B8.
D9 ETM registers
D9.2 TRCACATRn, Address Comparator Access Type Registers 0-7
100798_0300_00_en Copyright © 2016–2018 Arm Limited or its affiliates. All rights
reserved.
D9-500
Non-Confidential
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