D9.68 TRCSTATR, Status Register
The TRCSTATR indicates the ETM trace unit status.
Bit field descriptions
The TRCSTATR is a 32-bit register.
31 1 0
IDLE
2
PMSTABLE
RES0
Figure D9-65 TRCSTATR bit assignments
RES0, [31:2]
RES0 Reserved.
PMSTABLE, [1]
Indicates whether the ETM trace unit registers are stable and can be read:
0 The programmers model is not stable.
1 The programmers model is stable.
IDLE, [0]
Idle status:
0 The ETM trace unit is not idle.
1 The ETM trace unit is idle.
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 TRCSTATR can be accessed through the external debug interface, offset 0x00C.
D9 ETM registers
D9.68 TRCSTATR, Status Register
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