D9.33 Trcidr4, Id Register 4 - ARM Cortex-A76 Core Technical Reference Manual

D9.33 TRCIDR4, ID Register 4
The TRCIDR4 indicates the resources available in the ETM trace unit.
Bit field descriptions
The TRCIDR4 is a 32-bit register.
NUMVMIDC, [31:28]
NUMCIDC, [27:24]
NUMSSCC, [23:20]
NUMRSPAIRS, [19:16]
NUMPC, [15:12]
RES0, [11:9]
SUPPDAC, [8]
NUMDVC, [7:4]
NUMACPAIRS, [3:0]
100798_0300_00_en
31 28 27 24 23
NUMVMIDC NUMCIDC NUMSSCC
0
RES
Indicates the number of VMID comparators available for tracing:
One VMID comparator is available.
0x1
Indicates the number of CID comparators available for tracing:
One Context ID comparator is available.
0x1
Indicates the number of single-shot comparator controls available for tracing:
One single-shot comparator control is available.
0x1
Indicates the number of resource selection pairs available for tracing:
Eight resource selection pairs are available.
0x7
Indicates the number of core comparator inputs available for tracing:
Core comparator inputs are not implemented.
0x0
Reserved.
RES0
Indicates whether the implementation supports data address comparisons: This value is:
Data address comparisons are not implemented.
0
Indicates the number of data value comparators available for tracing:
Data value comparators not implemented.
0x0
Indicates the number of address comparator pairs available for tracing:
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20 19 16 15
NUMPC
NUMRSPAIRS
reserved.
Non-Confidential

D9.33 TRCIDR4, ID Register 4

12 11 9 8 7 4
NUMDVC
SUPPDAC NUMACPAIRS
Figure D9-31 TRCIDR4 bit assignments
D9 ETM registers
3 0
D9-541