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3.4.32. ID Register 2

The TRCIDR2 characteristics are:

Purpose

Indicates the maximum sizes of certain aspects of items in the trace.

Usage constraints

There are no usage constraints.

Configurations

Available in all configurations.

Attributes

See the register summary in Table 3.1 and Table 3.5.

Figure 3.38 shows the TRCIDR2 bit assignments.

Figure 3.38. TRCIDR2 bit assignments

Figure 3.38. TRCIDR2 bit assignments

Table 3.48 shows the TRCIDR2 bit assignments.

Table 3.48. TRCIDR2 bit assignments
BitsNameFunction
[31:29]-RAZ/WI
[28:25]CCSIZE

Indicates the size of the cycle counter in bits minus 12:

b0000

Cycle count is 12 bits.

[24:20]DVSIZE

Data value size in bytes:

b00100

Maximum of 32-bit data value size.

[19:15]DASIZE

Data address size in bytes:

b00100

Maximum of 32-bit address size.

[14:10]VMIDSIZE

Virtual Machine ID size:

b00000

Virtual Machine ID tracing not implemented.

[9:5]CIDSIZE

Context ID size in bytes:

b00100

Maximum of 32-bit Context ID size.

[4:0]IASIZE

Instruction address size in bytes:

b00100

Maximum of 32-bit address size.


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