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3.4.34. ID Register 4

The TRCIDR4 characteristics are:

Purpose

Indicates the resources available in the ETM-R7.

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 3.40 shows the TRCIDR4 bit assignments.

Figure 3.40. TRCIDR4 bit assignments

Figure 3.40. TRCIDR4 bit assignments

Table 3.50 shows the TRCIDR4 bit assignments.

Table 3.50. TRCIDR4 bit assignments
BitsNameFunction
[31:28]NUMVMIDC

Number of Virtual Machine ID (VMID) comparators implemented:

b0000

VMID comparators are not implemented.

[27:24]NUMCIDC

Number of Context ID comparators implemented:

b0001

One Context ID comparator is implemented.

[23:20]NUMSSCC

Number of Single-Shot comparator controls implemented:

b0010

Two Single-Shot comparator controls are implemented.

[19:16]NUMRSPAIR

Number of resource selection pairs implemented:

b0111

Eight resource selection pairs are implemented. The first is not counted.

[15:12]NUMPC

Number of processor comparator inputs implemented:

b0000

Processor comparator inputs are not implemented.

[11:9]-RAZ/WI
[8]SUPPDAC

Data address comparisons implemented:

1

Data address comparisons are supported.

[7:4]NUMDVC

Number of data value comparators implemented:

b0010

Two data value comparators are implemented.

[3:0]NUMACPAIRS

Number of address comparator pairs implemented:

b0100

Four address comparator pairs are implemented.


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