ACTR4 (R5_ETM_1) Register

Zynq UltraScale+ Devices Register Reference (UG1087)

Document ID
UG1087
Release Date
2024-03-13
Revision
1.10

ACTR4 (R5_ETM_1) Register Description

Register NameACTR4
Offset Address0x000000008C
Absolute Address 0x00FEBFD08C (CORESIGHT_R5_ETM_1)
Width32
TyperwNormal read/write
Reset Value0x00000000
DescriptionAddress Comparator Access Type 4 Register

ACTR4 (R5_ETM_1) Register Bit-Field Summary

Field NameBitsTypeReset ValueDescription
Secure_level11:10rwNormal read/write0x0Security level control.
The permitted value is 00 (security level ignored) since the connected processor does not implements the Security Extensions.
Context_cmp_ctrl 9:8rwNormal read/write0Context ID comparator control. The permitted values of this field are:
00: Ignore Context ID comparator.
01: Address comparator matches only if Context ID comparator value 1 matches.
10: Address comparator matches only if Context ID comparator value 2 matches.
11: Address comparator matches only if Context ID comparator value 3 matches.
Exact_match 7rwNormal read/write0Exact match bit.
Specifies comparator behavior when exceptions, aborts, and load misses occur.
Data_cmp_ctrl 6:5rwNormal read/write0Data value comparison control. The permitted values of this field are:
00: No data value comparison is made.
10: Reserved and must not be used.
01: Comparator can match only if data value matches.
11: Comparator can match only if data value does not match.
Cmp_access_size 4:3rwNormal read/write0Comparison access size. The permitted values of this field are:
00: Java instruction or byte data.
01: Thumb instruction or halfword data.
10: Reserved and must not be used.
11: Arm instruction or word data.
Access_type 2:0rwNormal read/write0Access type. The permitted values of this field are:
000: Instruction fetch.
001: Instruction execute.
010: Instruction executed and passed condition code test.
011: Instruction executed and failed condition code test.
100: Data load or store.
101: Data load.
110: Data store.
111: Reserved and must not be used.